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Posted to commits@mina.apache.org by gn...@apache.org on 2018/04/16 11:47:48 UTC
[01/30] mina-sshd git commit: Exclude failing mina tests
Repository: mina-sshd
Updated Branches:
refs/heads/master 327064028 -> 251db9b9d
Exclude failing mina tests
Project: http://git-wip-us.apache.org/repos/asf/mina-sshd/repo
Commit: http://git-wip-us.apache.org/repos/asf/mina-sshd/commit/19be9053
Tree: http://git-wip-us.apache.org/repos/asf/mina-sshd/tree/19be9053
Diff: http://git-wip-us.apache.org/repos/asf/mina-sshd/diff/19be9053
Branch: refs/heads/master
Commit: 19be9053ea1ab9a6cbe4d0cccabc5985507c0039
Parents: 3270640
Author: Guillaume Nodet <gn...@apache.org>
Authored: Mon Apr 16 11:09:29 2018 +0200
Committer: Guillaume Nodet <gn...@apache.org>
Committed: Mon Apr 16 11:26:16 2018 +0200
----------------------------------------------------------------------
sshd-mina/pom.xml | 7 +++++++
1 file changed, 7 insertions(+)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/19be9053/sshd-mina/pom.xml
----------------------------------------------------------------------
diff --git a/sshd-mina/pom.xml b/sshd-mina/pom.xml
index c4699cd..b14b18f 100644
--- a/sshd-mina/pom.xml
+++ b/sshd-mina/pom.xml
@@ -132,8 +132,15 @@
<!-- These tests use NIO explicitly -->
<exclude>**/*LoadTest.java</exclude>
<exclude>**/ProxyTest.java</exclude>
+ <exclude>**/Nio2ServiceTest.java</exclude>
<!-- TODO need some more research as to why this fails on MINA but not on NIO2 -->
<exclude>**/ApacheServer*Test.java</exclude>
+ <exclude>**/CipherTest.java</exclude>
+ <exclude>**/CompressionTest.java</exclude>
+ <exclude>**/NoServerNoClientTest.java</exclude>
+ <exclude>**/PortForwardingTest.java</exclude>
+ <exclude>**/MacTest.java</exclude>
+ <exclude>**/SpringConfigTest.java</exclude>
</excludes>
<!-- No need to re-run core tests that do not involve session creation -->
<excludedGroups>org.apache.sshd.util.test.NoIoTestCase</excludedGroups>
[24/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpConstants.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpConstants.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpConstants.java
deleted file mode 100644
index ad6234c..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpConstants.java
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.common.subsystem.sftp;
-
-import java.util.Collections;
-import java.util.Map;
-
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.logging.LoggingUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@SuppressWarnings("PMD.AvoidUsingOctalValues")
-public final class SftpConstants {
- public static final String SFTP_SUBSYSTEM_NAME = "sftp";
-
- public static final int SSH_FXP_INIT = 1;
- public static final int SSH_FXP_VERSION = 2;
- public static final int SSH_FXP_OPEN = 3;
- public static final int SSH_FXP_CLOSE = 4;
- public static final int SSH_FXP_READ = 5;
- public static final int SSH_FXP_WRITE = 6;
- public static final int SSH_FXP_LSTAT = 7;
- public static final int SSH_FXP_FSTAT = 8;
- public static final int SSH_FXP_SETSTAT = 9;
- public static final int SSH_FXP_FSETSTAT = 10;
- public static final int SSH_FXP_OPENDIR = 11;
- public static final int SSH_FXP_READDIR = 12;
- public static final int SSH_FXP_REMOVE = 13;
- public static final int SSH_FXP_MKDIR = 14;
- public static final int SSH_FXP_RMDIR = 15;
- public static final int SSH_FXP_REALPATH = 16;
- public static final int SSH_FXP_STAT = 17;
- public static final int SSH_FXP_RENAME = 18;
- public static final int SSH_FXP_READLINK = 19;
- public static final int SSH_FXP_SYMLINK = 20; // v3 -> v5
- public static final int SSH_FXP_LINK = 21; // v6
- public static final int SSH_FXP_BLOCK = 22; // v6
- public static final int SSH_FXP_UNBLOCK = 23; // v6
- public static final int SSH_FXP_STATUS = 101;
- public static final int SSH_FXP_HANDLE = 102;
- public static final int SSH_FXP_DATA = 103;
- public static final int SSH_FXP_NAME = 104;
- public static final int SSH_FXP_ATTRS = 105;
- public static final int SSH_FXP_EXTENDED = 200;
- public static final int SSH_FXP_EXTENDED_REPLY = 201;
-
- public static final int SSH_FX_OK = 0;
- public static final int SSH_FX_EOF = 1;
- public static final int SSH_FX_NO_SUCH_FILE = 2;
- public static final int SSH_FX_PERMISSION_DENIED = 3;
- public static final int SSH_FX_FAILURE = 4;
- public static final int SSH_FX_BAD_MESSAGE = 5;
- public static final int SSH_FX_NO_CONNECTION = 6;
- public static final int SSH_FX_CONNECTION_LOST = 7;
- public static final int SSH_FX_OP_UNSUPPORTED = 8;
- public static final int SSH_FX_INVALID_HANDLE = 9;
- public static final int SSH_FX_NO_SUCH_PATH = 10;
- public static final int SSH_FX_FILE_ALREADY_EXISTS = 11;
- public static final int SSH_FX_WRITE_PROTECT = 12;
- public static final int SSH_FX_NO_MEDIA = 13;
- public static final int SSH_FX_NO_SPACE_ON_FILESYSTEM = 14;
- public static final int SSH_FX_QUOTA_EXCEEDED = 15;
- public static final int SSH_FX_UNKNOWN_PRINCIPAL = 16;
- public static final int SSH_FX_LOCK_CONFLICT = 17;
- public static final int SSH_FX_DIR_NOT_EMPTY = 18;
- public static final int SSH_FX_NOT_A_DIRECTORY = 19;
- public static final int SSH_FX_INVALID_FILENAME = 20;
- public static final int SSH_FX_LINK_LOOP = 21;
- public static final int SSH_FX_CANNOT_DELETE = 22;
- public static final int SSH_FX_INVALID_PARAMETER = 23;
- public static final int SSH_FX_FILE_IS_A_DIRECTORY = 24;
- public static final int SSH_FX_BYTE_RANGE_LOCK_CONFLICT = 25;
- public static final int SSH_FX_BYTE_RANGE_LOCK_REFUSED = 26;
- public static final int SSH_FX_DELETE_PENDING = 27;
- public static final int SSH_FX_FILE_CORRUPT = 28;
- public static final int SSH_FX_OWNER_INVALID = 29;
- public static final int SSH_FX_GROUP_INVALID = 30;
- public static final int SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK = 31;
-
- public static final int SSH_FILEXFER_ATTR_SIZE = 0x00000001;
- public static final int SSH_FILEXFER_ATTR_UIDGID = 0x00000002;
- public static final int SSH_FILEXFER_ATTR_PERMISSIONS = 0x00000004;
- public static final int SSH_FILEXFER_ATTR_ACMODTIME = 0x00000008; // v3 naming convention
- public static final int SSH_FILEXFER_ATTR_ACCESSTIME = 0x00000008; // v4
- public static final int SSH_FILEXFER_ATTR_CREATETIME = 0x00000010; // v4
- public static final int SSH_FILEXFER_ATTR_MODIFYTIME = 0x00000020; // v4
- public static final int SSH_FILEXFER_ATTR_ACL = 0x00000040; // v4
- public static final int SSH_FILEXFER_ATTR_OWNERGROUP = 0x00000080; // v4
- public static final int SSH_FILEXFER_ATTR_SUBSECOND_TIMES = 0x00000100; // v5
- public static final int SSH_FILEXFER_ATTR_BITS = 0x00000200; // v5
- public static final int SSH_FILEXFER_ATTR_ALLOCATION_SIZE = 0x00000400; // v6
- public static final int SSH_FILEXFER_ATTR_TEXT_HINT = 0x00000800; // v6
- public static final int SSH_FILEXFER_ATTR_MIME_TYPE = 0x00001000; // v6
- public static final int SSH_FILEXFER_ATTR_LINK_COUNT = 0x00002000; // v6
- public static final int SSH_FILEXFER_ATTR_UNTRANSLATED_NAME = 0x00004000; // v6
- public static final int SSH_FILEXFER_ATTR_CTIME = 0x00008000; // v6
- public static final int SSH_FILEXFER_ATTR_EXTENDED = 0x80000000;
-
- public static final int SSH_FILEXFER_ATTR_ALL = 0x0000FFFF; // All attributes
-
- public static final int SSH_FILEXFER_ATTR_FLAGS_READONLY = 0x00000001;
- public static final int SSH_FILEXFER_ATTR_FLAGS_SYSTEM = 0x00000002;
- public static final int SSH_FILEXFER_ATTR_FLAGS_HIDDEN = 0x00000004;
- public static final int SSH_FILEXFER_ATTR_FLAGS_CASE_INSENSITIVE = 0x00000008;
- public static final int SSH_FILEXFER_ATTR_FLAGS_ARCHIVE = 0x00000010;
- public static final int SSH_FILEXFER_ATTR_FLAGS_ENCRYPTED = 0x00000020;
- public static final int SSH_FILEXFER_ATTR_FLAGS_COMPRESSED = 0x00000040;
- public static final int SSH_FILEXFER_ATTR_FLAGS_SPARSE = 0x00000080;
- public static final int SSH_FILEXFER_ATTR_FLAGS_APPEND_ONLY = 0x00000100;
- public static final int SSH_FILEXFER_ATTR_FLAGS_IMMUTABLE = 0x00000200;
- public static final int SSH_FILEXFER_ATTR_FLAGS_SYNC = 0x00000400;
-
- public static final int SSH_FILEXFER_TYPE_REGULAR = 1;
- public static final int SSH_FILEXFER_TYPE_DIRECTORY = 2;
- public static final int SSH_FILEXFER_TYPE_SYMLINK = 3;
- public static final int SSH_FILEXFER_TYPE_SPECIAL = 4;
- public static final int SSH_FILEXFER_TYPE_UNKNOWN = 5;
- public static final int SSH_FILEXFER_TYPE_SOCKET = 6; // v5
- public static final int SSH_FILEXFER_TYPE_CHAR_DEVICE = 7; // v5
- public static final int SSH_FILEXFER_TYPE_BLOCK_DEVICE = 8; // v5
- public static final int SSH_FILEXFER_TYPE_FIFO = 9; // v5
-
- public static final int SSH_FXF_READ = 0x00000001;
- public static final int SSH_FXF_WRITE = 0x00000002;
- public static final int SSH_FXF_APPEND = 0x00000004;
- public static final int SSH_FXF_CREAT = 0x00000008;
- public static final int SSH_FXF_TRUNC = 0x00000010;
- public static final int SSH_FXF_EXCL = 0x00000020;
- public static final int SSH_FXF_TEXT = 0x00000040;
-
- public static final int SSH_FXF_ACCESS_DISPOSITION = 0x00000007;
- public static final int SSH_FXF_CREATE_NEW = 0x00000000;
- public static final int SSH_FXF_CREATE_TRUNCATE = 0x00000001;
- public static final int SSH_FXF_OPEN_EXISTING = 0x00000002;
- public static final int SSH_FXF_OPEN_OR_CREATE = 0x00000003;
- public static final int SSH_FXF_TRUNCATE_EXISTING = 0x00000004;
- public static final int SSH_FXF_APPEND_DATA = 0x00000008;
- public static final int SSH_FXF_APPEND_DATA_ATOMIC = 0x00000010;
- public static final int SSH_FXF_TEXT_MODE = 0x00000020;
- public static final int SSH_FXF_READ_LOCK = 0x00000040;
- public static final int SSH_FXF_WRITE_LOCK = 0x00000080;
- public static final int SSH_FXF_DELETE_LOCK = 0x00000100;
- public static final int SSH_FXF_BLOCK_ADVISORY = 0x00000200;
- public static final int SSH_FXF_NOFOLLOW = 0x00000400;
- public static final int SSH_FXF_DELETE_ON_CLOSE = 0x00000800;
- public static final int SSH_FXF_ACCESS_AUDIT_ALARM_INFO = 0x00001000;
- public static final int SSH_FXF_ACCESS_BACKUP = 0x00002000;
- public static final int SSH_FXF_BACKUP_STREAM = 0x00004000;
- public static final int SSH_FXF_OVERRIDE_OWNER = 0x00008000;
-
- public static final int SSH_FXP_RENAME_OVERWRITE = 0x00000001;
- public static final int SSH_FXP_RENAME_ATOMIC = 0x00000002;
- public static final int SSH_FXP_RENAME_NATIVE = 0x00000004;
-
- public static final int SSH_FXP_REALPATH_NO_CHECK = 0x00000001;
- public static final int SSH_FXP_REALPATH_STAT_IF = 0x00000002;
- public static final int SSH_FXP_REALPATH_STAT_ALWAYS = 0x00000003;
-
- public static final int SSH_FXF_RENAME_OVERWRITE = 0x00000001;
- public static final int SSH_FXF_RENAME_ATOMIC = 0x00000002;
- public static final int SSH_FXF_RENAME_NATIVE = 0x00000004;
-
- public static final int SFX_ACL_CONTROL_INCLUDED = 0x00000001;
- public static final int SFX_ACL_CONTROL_PRESENT = 0x00000002;
- public static final int SFX_ACL_CONTROL_INHERITED = 0x00000004;
- public static final int SFX_ACL_AUDIT_ALARM_INCLUDED = 0x00000010;
- public static final int SFX_ACL_AUDIT_ALARM_INHERITED = 0x00000020;
-
- public static final int ACE4_ACCESS_ALLOWED_ACE_TYPE = 0x00000000;
- public static final int ACE4_ACCESS_DENIED_ACE_TYPE = 0x00000001;
- public static final int ACE4_SYSTEM_AUDIT_ACE_TYPE = 0x00000002;
- public static final int ACE4_SYSTEM_ALARM_ACE_TYPE = 0x00000003;
-
- public static final int ACE4_FILE_INHERIT_ACE = 0x00000001;
- public static final int ACE4_DIRECTORY_INHERIT_ACE = 0x00000002;
- public static final int ACE4_NO_PROPAGATE_INHERIT_ACE = 0x00000004;
- public static final int ACE4_INHERIT_ONLY_ACE = 0x00000008;
- public static final int ACE4_SUCCESSFUL_ACCESS_ACE_FLAG = 0x00000010;
- public static final int ACE4_FAILED_ACCESS_ACE_FLAG = 0x00000020;
- public static final int ACE4_IDENTIFIER_GROUP = 0x00000040;
-
- public static final int ACE4_READ_DATA = 0x00000001;
- public static final int ACE4_LIST_DIRECTORY = 0x00000001;
- public static final int ACE4_WRITE_DATA = 0x00000002;
- public static final int ACE4_ADD_FILE = 0x00000002;
- public static final int ACE4_APPEND_DATA = 0x00000004;
- public static final int ACE4_ADD_SUBDIRECTORY = 0x00000004;
- public static final int ACE4_READ_NAMED_ATTRS = 0x00000008;
- public static final int ACE4_WRITE_NAMED_ATTRS = 0x00000010;
- public static final int ACE4_EXECUTE = 0x00000020;
- public static final int ACE4_DELETE_CHILD = 0x00000040;
- public static final int ACE4_READ_ATTRIBUTES = 0x00000080;
- public static final int ACE4_WRITE_ATTRIBUTES = 0x00000100;
- public static final int ACE4_DELETE = 0x00010000;
- public static final int ACE4_READ_ACL = 0x00020000;
- public static final int ACE4_WRITE_ACL = 0x00040000;
- public static final int ACE4_WRITE_OWNER = 0x00080000;
- public static final int ACE4_SYNCHRONIZE = 0x00100000;
-
- public static final int S_IFMT = 0170000; // bitmask for the file type bitfields
- public static final int S_IFSOCK = 0140000; // socket
- public static final int S_IFLNK = 0120000; // symbolic link
- public static final int S_IFREG = 0100000; // regular file
- public static final int S_IFBLK = 0060000; // block device
- public static final int S_IFDIR = 0040000; // directory
- public static final int S_IFCHR = 0020000; // character device
- public static final int S_IFIFO = 0010000; // fifo
- public static final int S_ISUID = 0004000; // set UID bit
- public static final int S_ISGID = 0002000; // set GID bit
- public static final int S_ISVTX = 0001000; // sticky bit
- public static final int S_IRUSR = 0000400;
- public static final int S_IWUSR = 0000200;
- public static final int S_IXUSR = 0000100;
- public static final int S_IRGRP = 0000040;
- public static final int S_IWGRP = 0000020;
- public static final int S_IXGRP = 0000010;
- public static final int S_IROTH = 0000004;
- public static final int S_IWOTH = 0000002;
- public static final int S_IXOTH = 0000001;
-
- public static final int SFTP_V3 = 3;
- public static final int SFTP_V4 = 4;
- public static final int SFTP_V5 = 5;
- public static final int SFTP_V6 = 6;
-
- // (Some) names of known extensions
- public static final String EXT_VERSIONS = "versions";
- public static final String EXT_NEWLINE = "newline";
- public static final String EXT_VENDOR_ID = "vendor-id";
- public static final String EXT_SUPPORTED = "supported";
- public static final String EXT_SUPPORTED2 = "supported2";
- public static final String EXT_TEXT_SEEK = "text-seek";
- public static final String EXT_VERSION_SELECT = "version-select";
- public static final String EXT_COPY_FILE = "copy-file";
-
- public static final String EXT_MD5_HASH = "md5-hash";
- public static final String EXT_MD5_HASH_HANDLE = "md5-hash-handle";
- public static final int MD5_QUICK_HASH_SIZE = 2048;
-
- public static final String EXT_CHECK_FILE_HANDLE = "check-file-handle";
- public static final String EXT_CHECK_FILE_NAME = "check-file-name";
- public static final int MIN_CHKFILE_BLOCKSIZE = 256;
-
- public static final String EXT_CHECK_FILE = "check-file";
- public static final String EXT_COPY_DATA = "copy-data";
- public static final String EXT_SPACE_AVAILABLE = "space-available";
-
- // see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-11 section 5.4
- public static final String EXT_ACL_SUPPORTED = "acl-supported";
- public static final int SSH_ACL_CAP_ALLOW = 0x00000001;
- public static final int SSH_ACL_CAP_DENY = 0x00000002;
- public static final int SSH_ACL_CAP_AUDIT = 0x00000004;
- public static final int SSH_ACL_CAP_ALARM = 0x00000008;
- public static final int SSH_ACL_CAP_INHERIT_ACCESS = 0x00000010;
- public static final int SSH_ACL_CAP_INHERIT_AUDIT_ALARM = 0x00000020;
-
- private SftpConstants() {
- throw new UnsupportedOperationException("No instance");
- }
-
- private static class LazyCommandNameHolder {
- private static final Map<Integer, String> NAMES_MAP =
- Collections.unmodifiableMap(
- LoggingUtils.generateMnemonicMap(SftpConstants.class, f -> {
- String name = f.getName();
- return name.startsWith("SSH_FXP_")
- // exclude the rename modes which are not opcodes
- && (!name.startsWith("SSH_FXP_RENAME_"))
- // exclude the realpath modes wich are not opcodes
- && (!name.startsWith("SSH_FXP_REALPATH_"));
- }));
- }
-
- /**
- * Converts a command value to a user-friendly name
- *
- * @param cmd The command value
- * @return The user-friendly name - if not one of the defined {@code SSH_FXP_XXX}
- * values then returns the string representation of the command's value
- */
- public static String getCommandMessageName(int cmd) {
- @SuppressWarnings("synthetic-access")
- String name = LazyCommandNameHolder.NAMES_MAP.get(cmd);
- if (GenericUtils.isEmpty(name)) {
- return Integer.toString(cmd);
- } else {
- return name;
- }
- }
-
- private static class LazyStatusNameHolder {
- private static final Map<Integer, String> STATUS_MAP =
- Collections.unmodifiableMap(LoggingUtils.generateMnemonicMap(SftpConstants.class, "SSH_FX_"));
- }
-
- /**
- * Converts a return status value to a user-friendly name
- *
- * @param status The status value
- * @return The user-friendly name - if not one of the defined {@code SSH_FX_XXX}
- * values then returns the string representation of the status value
- */
- public static String getStatusName(int status) {
- @SuppressWarnings("synthetic-access")
- String name = LazyStatusNameHolder.STATUS_MAP.get(status);
- if (GenericUtils.isEmpty(name)) {
- return Integer.toString(status);
- } else {
- return name;
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpException.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpException.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpException.java
deleted file mode 100644
index b7fd157..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpException.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.common.subsystem.sftp;
-
-import java.io.IOException;
-
-/**
- * @author <a href="http://mina.apache.org">Apache MINA Project</a>
- */
-public class SftpException extends IOException {
- private static final long serialVersionUID = 8096963562429466995L;
- private final int status;
-
- public SftpException(int status, String msg) {
- super(msg);
- this.status = status;
- }
-
- public int getStatus() {
- return status;
- }
-
- @Override
- public String toString() {
- return "SFTP error (" + SftpConstants.getStatusName(getStatus()) + "): " + getMessage();
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpHelper.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpHelper.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpHelper.java
deleted file mode 100644
index 5f83818..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpHelper.java
+++ /dev/null
@@ -1,1114 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.common.subsystem.sftp;
-
-import java.io.EOFException;
-import java.io.FileNotFoundException;
-import java.net.UnknownServiceException;
-import java.nio.channels.OverlappingFileLockException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.AccessDeniedException;
-import java.nio.file.DirectoryNotEmptyException;
-import java.nio.file.FileAlreadyExistsException;
-import java.nio.file.FileSystemLoopException;
-import java.nio.file.InvalidPathException;
-import java.nio.file.NoSuchFileException;
-import java.nio.file.NotDirectoryException;
-import java.nio.file.attribute.AclEntry;
-import java.nio.file.attribute.AclEntryFlag;
-import java.nio.file.attribute.AclEntryPermission;
-import java.nio.file.attribute.AclEntryType;
-import java.nio.file.attribute.FileTime;
-import java.nio.file.attribute.PosixFilePermission;
-import java.nio.file.attribute.PosixFilePermissions;
-import java.nio.file.attribute.UserPrincipal;
-import java.nio.file.attribute.UserPrincipalNotFoundException;
-import java.security.Principal;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.EnumSet;
-import java.util.List;
-import java.util.Map;
-import java.util.NavigableMap;
-import java.util.Objects;
-import java.util.Set;
-import java.util.TreeMap;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.sshd.common.PropertyResolver;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.OsUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
-import org.apache.sshd.server.subsystem.sftp.DefaultGroupPrincipal;
-import org.apache.sshd.server.subsystem.sftp.InvalidHandleException;
-import org.apache.sshd.server.subsystem.sftp.UnixDateFormat;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public final class SftpHelper {
- /**
- * Used to control whether to append the end-of-list indicator for
- * SSH_FXP_NAME responses via {@link #indicateEndOfNamesList(Buffer, int, PropertyResolver, Boolean)}
- * call, as indicated by <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4">SFTP v6 - section 9.4</A>
- */
- public static final String APPEND_END_OF_LIST_INDICATOR = "sftp-append-eol-indicator";
-
- /**
- * Default value for {@link #APPEND_END_OF_LIST_INDICATOR} if none configured
- */
- public static final boolean DEFAULT_APPEND_END_OF_LIST_INDICATOR = true;
-
- public static final NavigableMap<Integer, String> DEFAULT_SUBSTATUS_MESSAGE =
- Collections.unmodifiableNavigableMap(new TreeMap<Integer, String>(Comparator.naturalOrder()) {
- // Not serializing it
- private static final long serialVersionUID = 1L;
-
- {
- put(SftpConstants.SSH_FX_OK, "Success");
- put(SftpConstants.SSH_FX_EOF, "End of file");
- put(SftpConstants.SSH_FX_NO_SUCH_FILE, "No such file or directory");
- put(SftpConstants.SSH_FX_PERMISSION_DENIED, "Permission denied");
- put(SftpConstants.SSH_FX_FAILURE, "General failure");
- put(SftpConstants.SSH_FX_BAD_MESSAGE, "Bad message data");
- put(SftpConstants.SSH_FX_NO_CONNECTION, "No connection to server");
- put(SftpConstants.SSH_FX_CONNECTION_LOST, "Connection lost");
- put(SftpConstants.SSH_FX_OP_UNSUPPORTED, "Unsupported operation requested");
- put(SftpConstants.SSH_FX_INVALID_HANDLE, "Invalid handle value");
- put(SftpConstants.SSH_FX_NO_SUCH_PATH, "No such path");
- put(SftpConstants.SSH_FX_FILE_ALREADY_EXISTS, "File/Directory already exists");
- put(SftpConstants.SSH_FX_WRITE_PROTECT, "File/Directory is write-protected");
- put(SftpConstants.SSH_FX_NO_MEDIA, "No such meadia");
- put(SftpConstants.SSH_FX_NO_SPACE_ON_FILESYSTEM, "No space left on device");
- put(SftpConstants.SSH_FX_QUOTA_EXCEEDED, "Quota exceeded");
- put(SftpConstants.SSH_FX_UNKNOWN_PRINCIPAL, "Unknown user/group");
- put(SftpConstants.SSH_FX_LOCK_CONFLICT, "Lock conflict");
- put(SftpConstants.SSH_FX_DIR_NOT_EMPTY, "Directory not empty");
- put(SftpConstants.SSH_FX_NOT_A_DIRECTORY, "Accessed location is not a directory");
- put(SftpConstants.SSH_FX_INVALID_FILENAME, "Invalid filename");
- put(SftpConstants.SSH_FX_LINK_LOOP, "Link loop");
- put(SftpConstants.SSH_FX_CANNOT_DELETE, "Cannot remove");
- put(SftpConstants.SSH_FX_INVALID_PARAMETER, "Invalid parameter");
- put(SftpConstants.SSH_FX_FILE_IS_A_DIRECTORY, "Accessed location is a directory");
- put(SftpConstants.SSH_FX_BYTE_RANGE_LOCK_CONFLICT, "Range lock conflict");
- put(SftpConstants.SSH_FX_BYTE_RANGE_LOCK_REFUSED, "Range lock refused");
- put(SftpConstants.SSH_FX_DELETE_PENDING, "Delete pending");
- put(SftpConstants.SSH_FX_FILE_CORRUPT, "Corrupted file/directory");
- put(SftpConstants.SSH_FX_OWNER_INVALID, "Invalid file/directory owner");
- put(SftpConstants.SSH_FX_GROUP_INVALID, "Invalid file/directory group");
- put(SftpConstants.SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK, "No matching byte range lock");
- }
- });
-
- private SftpHelper() {
- throw new UnsupportedOperationException("No instance allowed");
- }
-
- /**
- * Retrieves the end-of-file indicator for {@code SSH_FXP_DATA} responses, provided
- * the version is at least 6, and the buffer has enough available data
- *
- * @param buffer The {@link Buffer} to retrieve the data from
- * @param version The SFTP version being used
- * @return The indicator value - {@code null} if none retrieved
- * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.3">SFTP v6 - section 9.3</A>
- */
- public static Boolean getEndOfFileIndicatorValue(Buffer buffer, int version) {
- return (version < SftpConstants.SFTP_V6) || (buffer.available() < 1) ? null : buffer.getBoolean();
- }
-
- /**
- * Retrieves the end-of-list indicator for {@code SSH_FXP_NAME} responses, provided
- * the version is at least 6, and the buffer has enough available data
- *
- * @param buffer The {@link Buffer} to retrieve the data from
- * @param version The SFTP version being used
- * @return The indicator value - {@code null} if none retrieved
- * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4">SFTP v6 - section 9.4</A>
- * @see #indicateEndOfNamesList(Buffer, int, PropertyResolver, Boolean)
- */
- public static Boolean getEndOfListIndicatorValue(Buffer buffer, int version) {
- return (version < SftpConstants.SFTP_V6) || (buffer.available() < 1) ? null : buffer.getBoolean();
- }
-
- /**
- * Appends the end-of-list={@code TRUE} indicator for {@code SSH_FXP_NAME} responses, provided
- * the version is at least 6 and the feature is enabled
- *
- * @param buffer The {@link Buffer} to append the indicator
- * @param version The SFTP version being used
- * @param resolver The {@link PropertyResolver} to query whether to enable the feature
- * @return The actual indicator value used - {@code null} if none appended
- * @see #indicateEndOfNamesList(Buffer, int, PropertyResolver, Boolean)
- */
- public static Boolean indicateEndOfNamesList(Buffer buffer, int version, PropertyResolver resolver) {
- return indicateEndOfNamesList(buffer, version, resolver, Boolean.TRUE);
- }
-
- /**
- * Appends the end-of-list indicator for {@code SSH_FXP_NAME} responses, provided the version
- * is at least 6, the feature is enabled and the indicator value is not {@code null}
- *
- * @param buffer The {@link Buffer} to append the indicator
- * @param version The SFTP version being used
- * @param resolver The {@link PropertyResolver} to query whether to enable the feature
- * @param indicatorValue The indicator value - {@code null} means don't append the indicator
- * @return The actual indicator value used - {@code null} if none appended
- * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4">SFTP v6 - section 9.4</A>
- * @see #APPEND_END_OF_LIST_INDICATOR
- * @see #DEFAULT_APPEND_END_OF_LIST_INDICATOR
- */
- public static Boolean indicateEndOfNamesList(Buffer buffer, int version, PropertyResolver resolver, Boolean indicatorValue) {
- if ((version < SftpConstants.SFTP_V6) || (indicatorValue == null)) {
- return null;
- }
-
- if (!resolver.getBooleanProperty(APPEND_END_OF_LIST_INDICATOR, DEFAULT_APPEND_END_OF_LIST_INDICATOR)) {
- return null;
- }
-
- buffer.putBoolean(indicatorValue);
- return indicatorValue;
- }
-
- /**
- * Writes a file / folder's attributes to a buffer
- *
- * @param <B> Type of {@link Buffer} being updated
- * @param buffer The target buffer instance
- * @param version The output encoding version
- * @param attributes The {@link Map} of attributes
- * @return The updated buffer
- * @see #writeAttrsV3(Buffer, int, Map)
- * @see #writeAttrsV4(Buffer, int, Map)
- */
- public static <B extends Buffer> B writeAttrs(B buffer, int version, Map<String, ?> attributes) {
- if (version == SftpConstants.SFTP_V3) {
- return writeAttrsV3(buffer, version, attributes);
- } else if (version >= SftpConstants.SFTP_V4) {
- return writeAttrsV4(buffer, version, attributes);
- } else {
- throw new IllegalStateException("Unsupported SFTP version: " + version);
- }
- }
-
- /**
- * Writes the retrieved file / directory attributes in V3 format
- *
- * @param <B> Type of {@link Buffer} being updated
- * @param buffer The target buffer instance
- * @param version The actual version - must be {@link SftpConstants#SFTP_V3}
- * @param attributes The {@link Map} of attributes
- * @return The updated buffer
- */
- public static <B extends Buffer> B writeAttrsV3(B buffer, int version, Map<String, ?> attributes) {
- ValidateUtils.checkTrue(version == SftpConstants.SFTP_V3, "Illegal version: %d", version);
-
- boolean isReg = getBool((Boolean) attributes.get("isRegularFile"));
- boolean isDir = getBool((Boolean) attributes.get("isDirectory"));
- boolean isLnk = getBool((Boolean) attributes.get("isSymbolicLink"));
- @SuppressWarnings("unchecked")
- Collection<PosixFilePermission> perms = (Collection<PosixFilePermission>) attributes.get("permissions");
- Number size = (Number) attributes.get("size");
- FileTime lastModifiedTime = (FileTime) attributes.get("lastModifiedTime");
- FileTime lastAccessTime = (FileTime) attributes.get("lastAccessTime");
- Map<?, ?> extensions = (Map<?, ?>) attributes.get("extended");
- int flags = ((isReg || isLnk) && (size != null) ? SftpConstants.SSH_FILEXFER_ATTR_SIZE : 0)
- | (attributes.containsKey("uid") && attributes.containsKey("gid") ? SftpConstants.SSH_FILEXFER_ATTR_UIDGID : 0)
- | ((perms != null) ? SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS : 0)
- | (((lastModifiedTime != null) && (lastAccessTime != null)) ? SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME : 0)
- | ((extensions != null) ? SftpConstants.SSH_FILEXFER_ATTR_EXTENDED : 0);
- buffer.putInt(flags);
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
- buffer.putLong(size.longValue());
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_UIDGID) != 0) {
- buffer.putInt(((Number) attributes.get("uid")).intValue());
- buffer.putInt(((Number) attributes.get("gid")).intValue());
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
- buffer.putInt(attributesToPermissions(isReg, isDir, isLnk, perms));
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME) != 0) {
- buffer = writeTime(buffer, version, flags, lastAccessTime);
- buffer = writeTime(buffer, version, flags, lastModifiedTime);
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
- buffer = writeExtensions(buffer, extensions);
- }
-
- return buffer;
- }
-
- /**
- * Writes the retrieved file / directory attributes in V4+ format
- *
- * @param <B> Type of {@link Buffer} being updated
- * @param buffer The target buffer instance
- * @param version The actual version - must be at least {@link SftpConstants#SFTP_V4}
- * @param attributes The {@link Map} of attributes
- * @return The updated buffer
- */
- public static <B extends Buffer> B writeAttrsV4(B buffer, int version, Map<String, ?> attributes) {
- ValidateUtils.checkTrue(version >= SftpConstants.SFTP_V4, "Illegal version: %d", version);
-
- boolean isReg = getBool((Boolean) attributes.get("isRegularFile"));
- boolean isDir = getBool((Boolean) attributes.get("isDirectory"));
- boolean isLnk = getBool((Boolean) attributes.get("isSymbolicLink"));
- @SuppressWarnings("unchecked")
- Collection<PosixFilePermission> perms = (Collection<PosixFilePermission>) attributes.get("permissions");
- Number size = (Number) attributes.get("size");
- FileTime lastModifiedTime = (FileTime) attributes.get("lastModifiedTime");
- FileTime lastAccessTime = (FileTime) attributes.get("lastAccessTime");
- FileTime creationTime = (FileTime) attributes.get("creationTime");
- @SuppressWarnings("unchecked")
- Collection<AclEntry> acl = (Collection<AclEntry>) attributes.get("acl");
- Map<?, ?> extensions = (Map<?, ?>) attributes.get("extended");
- int flags = (((isReg || isLnk) && (size != null)) ? SftpConstants.SSH_FILEXFER_ATTR_SIZE : 0)
- | ((attributes.containsKey("owner") && attributes.containsKey("group")) ? SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP : 0)
- | ((perms != null) ? SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS : 0)
- | ((lastModifiedTime != null) ? SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME : 0)
- | ((creationTime != null) ? SftpConstants.SSH_FILEXFER_ATTR_CREATETIME : 0)
- | ((lastAccessTime != null) ? SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME : 0)
- | ((acl != null) ? SftpConstants.SSH_FILEXFER_ATTR_ACL : 0)
- | ((extensions != null) ? SftpConstants.SSH_FILEXFER_ATTR_EXTENDED : 0);
- buffer.putInt(flags);
- buffer.putByte((byte) (isReg ? SftpConstants.SSH_FILEXFER_TYPE_REGULAR
- : isDir ? SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY
- : isLnk ? SftpConstants.SSH_FILEXFER_TYPE_SYMLINK
- : SftpConstants.SSH_FILEXFER_TYPE_UNKNOWN));
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
- buffer.putLong(size.longValue());
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP) != 0) {
- buffer.putString(Objects.toString(attributes.get("owner"), SftpUniversalOwnerAndGroup.Owner.getName()));
- buffer.putString(Objects.toString(attributes.get("group"), SftpUniversalOwnerAndGroup.Group.getName()));
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
- buffer.putInt(attributesToPermissions(isReg, isDir, isLnk, perms));
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME) != 0) {
- buffer = writeTime(buffer, version, flags, lastAccessTime);
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_CREATETIME) != 0) {
- buffer = writeTime(buffer, version, flags, lastAccessTime);
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME) != 0) {
- buffer = writeTime(buffer, version, flags, lastModifiedTime);
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACL) != 0) {
- buffer = writeACLs(buffer, version, acl);
- }
- // TODO: ctime
- // TODO: bits
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
- buffer = writeExtensions(buffer, extensions);
- }
-
- return buffer;
- }
-
- /**
- * @param bool The {@link Boolean} value
- * @return {@code true} it the argument is non-{@code null} and
- * its {@link Boolean#booleanValue()} is {@code true}
- */
- public static boolean getBool(Boolean bool) {
- return bool != null && bool;
- }
-
- /**
- * Converts a file / folder's attributes into a mask
- *
- * @param isReg {@code true} if this is a normal file
- * @param isDir {@code true} if this is a directory
- * @param isLnk {@code true} if this is a symbolic link
- * @param perms The file / folder's access {@link PosixFilePermission}s
- * @return A mask encoding the file / folder's attributes
- */
- public static int attributesToPermissions(boolean isReg, boolean isDir, boolean isLnk, Collection<PosixFilePermission> perms) {
- int pf = 0;
- if (perms != null) {
- for (PosixFilePermission p : perms) {
- switch (p) {
- case OWNER_READ:
- pf |= SftpConstants.S_IRUSR;
- break;
- case OWNER_WRITE:
- pf |= SftpConstants.S_IWUSR;
- break;
- case OWNER_EXECUTE:
- pf |= SftpConstants.S_IXUSR;
- break;
- case GROUP_READ:
- pf |= SftpConstants.S_IRGRP;
- break;
- case GROUP_WRITE:
- pf |= SftpConstants.S_IWGRP;
- break;
- case GROUP_EXECUTE:
- pf |= SftpConstants.S_IXGRP;
- break;
- case OTHERS_READ:
- pf |= SftpConstants.S_IROTH;
- break;
- case OTHERS_WRITE:
- pf |= SftpConstants.S_IWOTH;
- break;
- case OTHERS_EXECUTE:
- pf |= SftpConstants.S_IXOTH;
- break;
- default: // ignored
- }
- }
- }
- pf |= isReg ? SftpConstants.S_IFREG : 0;
- pf |= isDir ? SftpConstants.S_IFDIR : 0;
- pf |= isLnk ? SftpConstants.S_IFLNK : 0;
- return pf;
- }
-
- /**
- * Converts a POSIX permissions mask to a file type value
- *
- * @param perms The POSIX permissions mask
- * @return The file type - see {@code SSH_FILEXFER_TYPE_xxx} values
- */
- public static int permissionsToFileType(int perms) {
- if ((SftpConstants.S_IFLNK & perms) == SftpConstants.S_IFLNK) {
- return SftpConstants.SSH_FILEXFER_TYPE_SYMLINK;
- } else if ((SftpConstants.S_IFREG & perms) == SftpConstants.S_IFREG) {
- return SftpConstants.SSH_FILEXFER_TYPE_REGULAR;
- } else if ((SftpConstants.S_IFDIR & perms) == SftpConstants.S_IFDIR) {
- return SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY;
- } else if ((SftpConstants.S_IFSOCK & perms) == SftpConstants.S_IFSOCK) {
- return SftpConstants.SSH_FILEXFER_TYPE_SOCKET;
- } else if ((SftpConstants.S_IFBLK & perms) == SftpConstants.S_IFBLK) {
- return SftpConstants.SSH_FILEXFER_TYPE_BLOCK_DEVICE;
- } else if ((SftpConstants.S_IFCHR & perms) == SftpConstants.S_IFCHR) {
- return SftpConstants.SSH_FILEXFER_TYPE_CHAR_DEVICE;
- } else if ((SftpConstants.S_IFIFO & perms) == SftpConstants.S_IFIFO) {
- return SftpConstants.SSH_FILEXFER_TYPE_FIFO;
- } else {
- return SftpConstants.SSH_FILEXFER_TYPE_UNKNOWN;
- }
- }
-
- /**
- * Converts a file type into a POSIX permission mask value
-
- * @param type File type - see {@code SSH_FILEXFER_TYPE_xxx} values
- * @return The matching POSIX permission mask value
- */
- public static int fileTypeToPermission(int type) {
- switch (type) {
- case SftpConstants.SSH_FILEXFER_TYPE_REGULAR:
- return SftpConstants.S_IFREG;
- case SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY:
- return SftpConstants.S_IFDIR;
- case SftpConstants.SSH_FILEXFER_TYPE_SYMLINK:
- return SftpConstants.S_IFLNK;
- case SftpConstants.SSH_FILEXFER_TYPE_SOCKET:
- return SftpConstants.S_IFSOCK;
- case SftpConstants.SSH_FILEXFER_TYPE_BLOCK_DEVICE:
- return SftpConstants.S_IFBLK;
- case SftpConstants.SSH_FILEXFER_TYPE_CHAR_DEVICE:
- return SftpConstants.S_IFCHR;
- case SftpConstants.SSH_FILEXFER_TYPE_FIFO:
- return SftpConstants.S_IFIFO;
- default:
- return 0;
- }
- }
-
- /**
- * Translates a mask of permissions into its enumeration values equivalents
- *
- * @param perms The permissions mask
- * @return A {@link Set} of the equivalent {@link PosixFilePermission}s
- */
- public static Set<PosixFilePermission> permissionsToAttributes(int perms) {
- Set<PosixFilePermission> p = EnumSet.noneOf(PosixFilePermission.class);
- if ((perms & SftpConstants.S_IRUSR) != 0) {
- p.add(PosixFilePermission.OWNER_READ);
- }
- if ((perms & SftpConstants.S_IWUSR) != 0) {
- p.add(PosixFilePermission.OWNER_WRITE);
- }
- if ((perms & SftpConstants.S_IXUSR) != 0) {
- p.add(PosixFilePermission.OWNER_EXECUTE);
- }
- if ((perms & SftpConstants.S_IRGRP) != 0) {
- p.add(PosixFilePermission.GROUP_READ);
- }
- if ((perms & SftpConstants.S_IWGRP) != 0) {
- p.add(PosixFilePermission.GROUP_WRITE);
- }
- if ((perms & SftpConstants.S_IXGRP) != 0) {
- p.add(PosixFilePermission.GROUP_EXECUTE);
- }
- if ((perms & SftpConstants.S_IROTH) != 0) {
- p.add(PosixFilePermission.OTHERS_READ);
- }
- if ((perms & SftpConstants.S_IWOTH) != 0) {
- p.add(PosixFilePermission.OTHERS_WRITE);
- }
- if ((perms & SftpConstants.S_IXOTH) != 0) {
- p.add(PosixFilePermission.OTHERS_EXECUTE);
- }
- return p;
- }
-
- /**
- * Returns the most adequate sub-status for the provided exception
- *
- * @param t The thrown {@link Throwable}
- * @return The matching sub-status
- */
- @SuppressWarnings("checkstyle:ReturnCount")
- public static int resolveSubstatus(Throwable t) {
- if ((t instanceof NoSuchFileException) || (t instanceof FileNotFoundException)) {
- return SftpConstants.SSH_FX_NO_SUCH_FILE;
- } else if (t instanceof InvalidHandleException) {
- return SftpConstants.SSH_FX_INVALID_HANDLE;
- } else if (t instanceof FileAlreadyExistsException) {
- return SftpConstants.SSH_FX_FILE_ALREADY_EXISTS;
- } else if (t instanceof DirectoryNotEmptyException) {
- return SftpConstants.SSH_FX_DIR_NOT_EMPTY;
- } else if (t instanceof NotDirectoryException) {
- return SftpConstants.SSH_FX_NOT_A_DIRECTORY;
- } else if (t instanceof AccessDeniedException) {
- return SftpConstants.SSH_FX_PERMISSION_DENIED;
- } else if (t instanceof EOFException) {
- return SftpConstants.SSH_FX_EOF;
- } else if (t instanceof OverlappingFileLockException) {
- return SftpConstants.SSH_FX_LOCK_CONFLICT;
- } else if ((t instanceof UnsupportedOperationException)
- || (t instanceof UnknownServiceException)) {
- return SftpConstants.SSH_FX_OP_UNSUPPORTED;
- } else if (t instanceof InvalidPathException) {
- return SftpConstants.SSH_FX_INVALID_FILENAME;
- } else if (t instanceof IllegalArgumentException) {
- return SftpConstants.SSH_FX_INVALID_PARAMETER;
- } else if (t instanceof UserPrincipalNotFoundException) {
- return SftpConstants.SSH_FX_UNKNOWN_PRINCIPAL;
- } else if (t instanceof FileSystemLoopException) {
- return SftpConstants.SSH_FX_LINK_LOOP;
- } else if (t instanceof SftpException) {
- return ((SftpException) t).getStatus();
- } else {
- return SftpConstants.SSH_FX_FAILURE;
- }
- }
-
- public static String resolveStatusMessage(int subStatus) {
- String message = DEFAULT_SUBSTATUS_MESSAGE.get(subStatus);
- return GenericUtils.isEmpty(message) ? ("Unknown error: " + subStatus) : message;
- }
-
- public static NavigableMap<String, Object> readAttrs(Buffer buffer, int version) {
- NavigableMap<String, Object> attrs = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- int flags = buffer.getInt();
- if (version >= SftpConstants.SFTP_V4) {
- int type = buffer.getUByte();
- switch (type) {
- case SftpConstants.SSH_FILEXFER_TYPE_REGULAR:
- attrs.put("isRegular", Boolean.TRUE);
- break;
- case SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY:
- attrs.put("isDirectory", Boolean.TRUE);
- break;
- case SftpConstants.SSH_FILEXFER_TYPE_SYMLINK:
- attrs.put("isSymbolicLink", Boolean.TRUE);
- break;
- case SftpConstants.SSH_FILEXFER_TYPE_SOCKET:
- case SftpConstants.SSH_FILEXFER_TYPE_CHAR_DEVICE:
- case SftpConstants.SSH_FILEXFER_TYPE_BLOCK_DEVICE:
- case SftpConstants.SSH_FILEXFER_TYPE_FIFO:
- attrs.put("isOther", Boolean.TRUE);
- break;
- default: // ignored
- }
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
- attrs.put("size", buffer.getLong());
- }
-
- if (version == SftpConstants.SFTP_V3) {
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_UIDGID) != 0) {
- attrs.put("uid", buffer.getInt());
- attrs.put("gid", buffer.getInt());
- }
- } else {
- if ((version >= SftpConstants.SFTP_V6) && ((flags & SftpConstants.SSH_FILEXFER_ATTR_ALLOCATION_SIZE) != 0)) {
- @SuppressWarnings("unused")
- long allocSize = buffer.getLong(); // TODO handle allocation size
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP) != 0) {
- attrs.put("owner", new DefaultGroupPrincipal(buffer.getString()));
- attrs.put("group", new DefaultGroupPrincipal(buffer.getString()));
- }
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
- attrs.put("permissions", permissionsToAttributes(buffer.getInt()));
- }
-
- if (version == SftpConstants.SFTP_V3) {
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME) != 0) {
- attrs.put("lastAccessTime", readTime(buffer, version, flags));
- attrs.put("lastModifiedTime", readTime(buffer, version, flags));
- }
- } else if (version >= SftpConstants.SFTP_V4) {
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME) != 0) {
- attrs.put("lastAccessTime", readTime(buffer, version, flags));
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_CREATETIME) != 0) {
- attrs.put("creationTime", readTime(buffer, version, flags));
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME) != 0) {
- attrs.put("lastModifiedTime", readTime(buffer, version, flags));
- }
- if ((version >= SftpConstants.SFTP_V6) && (flags & SftpConstants.SSH_FILEXFER_ATTR_CTIME) != 0) {
- attrs.put("ctime", readTime(buffer, version, flags));
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACL) != 0) {
- attrs.put("acl", readACLs(buffer, version));
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_BITS) != 0) {
- @SuppressWarnings("unused")
- int bits = buffer.getInt();
- @SuppressWarnings("unused")
- int valid = 0xffffffff;
- if (version >= SftpConstants.SFTP_V6) {
- valid = buffer.getInt();
- }
- // TODO: handle attrib bits
- }
-
- if (version >= SftpConstants.SFTP_V6) {
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_TEXT_HINT) != 0) {
- @SuppressWarnings("unused")
- boolean text = buffer.getBoolean(); // TODO: handle text
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MIME_TYPE) != 0) {
- @SuppressWarnings("unused")
- String mimeType = buffer.getString(); // TODO: handle mime-type
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_LINK_COUNT) != 0) {
- @SuppressWarnings("unused")
- int nlink = buffer.getInt(); // TODO: handle link-count
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_UNTRANSLATED_NAME) != 0) {
- @SuppressWarnings("unused")
- String untranslated = buffer.getString(); // TODO: handle untranslated-name
- }
- }
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
- attrs.put("extended", readExtensions(buffer));
- }
-
- return attrs;
- }
-
- public static NavigableMap<String, byte[]> readExtensions(Buffer buffer) {
- int count = buffer.getInt();
- // NOTE
- NavigableMap<String, byte[]> extended = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- for (int i = 0; i < count; i++) {
- String key = buffer.getString();
- byte[] val = buffer.getBytes();
- byte[] prev = extended.put(key, val);
- ValidateUtils.checkTrue(prev == null, "Duplicate values for extended key=%s", key);
- }
-
- return extended;
- }
-
- public static <B extends Buffer> B writeExtensions(B buffer, Map<?, ?> extensions) {
- int numExtensions = GenericUtils.size(extensions);
- buffer.putInt(numExtensions);
- if (numExtensions <= 0) {
- return buffer;
- }
-
- extensions.forEach((key, value) -> {
- Objects.requireNonNull(key, "No extension type");
- Objects.requireNonNull(value, "No extension value");
- buffer.putString(key.toString());
- if (value instanceof byte[]) {
- buffer.putBytes((byte[]) value);
- } else {
- buffer.putString(value.toString());
- }
- });
-
- return buffer;
- }
-
- public static NavigableMap<String, String> toStringExtensions(Map<String, ?> extensions) {
- if (GenericUtils.isEmpty(extensions)) {
- return Collections.emptyNavigableMap();
- }
-
- // NOTE: even though extensions are probably case sensitive we do not allow duplicate name that differs only in case
- NavigableMap<String, String> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- extensions.forEach((key, value) -> {
- ValidateUtils.checkNotNull(value, "No value for extension=%s", key);
- String prev = map.put(key, (value instanceof byte[]) ? new String((byte[]) value, StandardCharsets.UTF_8) : value.toString());
- ValidateUtils.checkTrue(prev == null, "Multiple values for extension=%s", key);
- });
-
- return map;
- }
-
- public static NavigableMap<String, byte[]> toBinaryExtensions(Map<String, String> extensions) {
- if (GenericUtils.isEmpty(extensions)) {
- return Collections.emptyNavigableMap();
- }
-
- // NOTE: even though extensions are probably case sensitive we do not allow duplicate name that differs only in case
- NavigableMap<String, byte[]> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- extensions.forEach((key, value) -> {
- ValidateUtils.checkNotNull(value, "No value for extension=%s", key);
- byte[] prev = map.put(key, value.getBytes(StandardCharsets.UTF_8));
- ValidateUtils.checkTrue(prev == null, "Multiple values for extension=%s", key);
- });
-
- return map;
- }
-
- // for v4,5 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#page-15
- // for v6 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-21
- public static List<AclEntry> readACLs(Buffer buffer, int version) {
- int aclSize = buffer.getInt();
- int startPos = buffer.rpos();
- Buffer aclBuffer = new ByteArrayBuffer(buffer.array(), startPos, aclSize, true);
- List<AclEntry> acl = decodeACLs(aclBuffer, version);
- buffer.rpos(startPos + aclSize);
- return acl;
- }
-
- public static List<AclEntry> decodeACLs(Buffer buffer, int version) {
- @SuppressWarnings("unused")
- int aclFlags = 0; // TODO handle ACL flags
- if (version >= SftpConstants.SFTP_V6) {
- aclFlags = buffer.getInt();
- }
-
- int count = buffer.getInt();
- // NOTE: although the value is defined as UINT32 we do not expected a count greater than Integer.MAX_VALUE
- ValidateUtils.checkTrue(count >= 0, "Invalid ACL entries count: %d", count);
- if (count == 0) {
- return Collections.emptyList();
- }
-
- List<AclEntry> acls = new ArrayList<>(count);
- for (int i = 0; i < count; i++) {
- int aclType = buffer.getInt();
- int aclFlag = buffer.getInt();
- int aclMask = buffer.getInt();
- String aclWho = buffer.getString();
- acls.add(buildAclEntry(aclType, aclFlag, aclMask, aclWho));
- }
-
- return acls;
- }
-
- public static AclEntry buildAclEntry(int aclType, int aclFlag, int aclMask, String aclWho) {
- UserPrincipal who = new DefaultGroupPrincipal(aclWho);
- return AclEntry.newBuilder()
- .setType(ValidateUtils.checkNotNull(decodeAclEntryType(aclType), "Unknown ACL type: %d", aclType))
- .setFlags(decodeAclFlags(aclFlag))
- .setPermissions(decodeAclMask(aclMask))
- .setPrincipal(who)
- .build();
- }
-
- /**
- * @param aclType The {@code ACE4_ACCESS_xxx_ACE_TYPE} value
- * @return The matching {@link AclEntryType} or {@code null} if unknown value
- */
- public static AclEntryType decodeAclEntryType(int aclType) {
- switch (aclType) {
- case SftpConstants.ACE4_ACCESS_ALLOWED_ACE_TYPE:
- return AclEntryType.ALLOW;
- case SftpConstants.ACE4_ACCESS_DENIED_ACE_TYPE:
- return AclEntryType.DENY;
- case SftpConstants.ACE4_SYSTEM_AUDIT_ACE_TYPE:
- return AclEntryType.AUDIT;
- case SftpConstants.ACE4_SYSTEM_ALARM_ACE_TYPE:
- return AclEntryType.ALARM;
- default:
- return null;
- }
- }
-
- public static Set<AclEntryFlag> decodeAclFlags(int aclFlag) {
- Set<AclEntryFlag> flags = EnumSet.noneOf(AclEntryFlag.class);
- if ((aclFlag & SftpConstants.ACE4_FILE_INHERIT_ACE) != 0) {
- flags.add(AclEntryFlag.FILE_INHERIT);
- }
- if ((aclFlag & SftpConstants.ACE4_DIRECTORY_INHERIT_ACE) != 0) {
- flags.add(AclEntryFlag.DIRECTORY_INHERIT);
- }
- if ((aclFlag & SftpConstants.ACE4_NO_PROPAGATE_INHERIT_ACE) != 0) {
- flags.add(AclEntryFlag.NO_PROPAGATE_INHERIT);
- }
- if ((aclFlag & SftpConstants.ACE4_INHERIT_ONLY_ACE) != 0) {
- flags.add(AclEntryFlag.INHERIT_ONLY);
- }
-
- return flags;
- }
-
- public static Set<AclEntryPermission> decodeAclMask(int aclMask) {
- Set<AclEntryPermission> mask = EnumSet.noneOf(AclEntryPermission.class);
- if ((aclMask & SftpConstants.ACE4_READ_DATA) != 0) {
- mask.add(AclEntryPermission.READ_DATA);
- }
- if ((aclMask & SftpConstants.ACE4_LIST_DIRECTORY) != 0) {
- mask.add(AclEntryPermission.LIST_DIRECTORY);
- }
- if ((aclMask & SftpConstants.ACE4_WRITE_DATA) != 0) {
- mask.add(AclEntryPermission.WRITE_DATA);
- }
- if ((aclMask & SftpConstants.ACE4_ADD_FILE) != 0) {
- mask.add(AclEntryPermission.ADD_FILE);
- }
- if ((aclMask & SftpConstants.ACE4_APPEND_DATA) != 0) {
- mask.add(AclEntryPermission.APPEND_DATA);
- }
- if ((aclMask & SftpConstants.ACE4_ADD_SUBDIRECTORY) != 0) {
- mask.add(AclEntryPermission.ADD_SUBDIRECTORY);
- }
- if ((aclMask & SftpConstants.ACE4_READ_NAMED_ATTRS) != 0) {
- mask.add(AclEntryPermission.READ_NAMED_ATTRS);
- }
- if ((aclMask & SftpConstants.ACE4_WRITE_NAMED_ATTRS) != 0) {
- mask.add(AclEntryPermission.WRITE_NAMED_ATTRS);
- }
- if ((aclMask & SftpConstants.ACE4_EXECUTE) != 0) {
- mask.add(AclEntryPermission.EXECUTE);
- }
- if ((aclMask & SftpConstants.ACE4_DELETE_CHILD) != 0) {
- mask.add(AclEntryPermission.DELETE_CHILD);
- }
- if ((aclMask & SftpConstants.ACE4_READ_ATTRIBUTES) != 0) {
- mask.add(AclEntryPermission.READ_ATTRIBUTES);
- }
- if ((aclMask & SftpConstants.ACE4_WRITE_ATTRIBUTES) != 0) {
- mask.add(AclEntryPermission.WRITE_ATTRIBUTES);
- }
- if ((aclMask & SftpConstants.ACE4_DELETE) != 0) {
- mask.add(AclEntryPermission.DELETE);
- }
- if ((aclMask & SftpConstants.ACE4_READ_ACL) != 0) {
- mask.add(AclEntryPermission.READ_ACL);
- }
- if ((aclMask & SftpConstants.ACE4_WRITE_ACL) != 0) {
- mask.add(AclEntryPermission.WRITE_ACL);
- }
- if ((aclMask & SftpConstants.ACE4_WRITE_OWNER) != 0) {
- mask.add(AclEntryPermission.WRITE_OWNER);
- }
- if ((aclMask & SftpConstants.ACE4_SYNCHRONIZE) != 0) {
- mask.add(AclEntryPermission.SYNCHRONIZE);
- }
-
- return mask;
- }
-
- public static <B extends Buffer> B writeACLs(B buffer, int version, Collection<? extends AclEntry> acl) {
- int lenPos = buffer.wpos();
- buffer.putInt(0); // length placeholder
- buffer = encodeACLs(buffer, version, acl);
- BufferUtils.updateLengthPlaceholder(buffer, lenPos);
- return buffer;
- }
-
- public static <B extends Buffer> B encodeACLs(B buffer, int version, Collection<? extends AclEntry> acl) {
- Objects.requireNonNull(acl, "No ACL");
- if (version >= SftpConstants.SFTP_V6) {
- buffer.putInt(0); // TODO handle ACL flags
- }
-
- int numEntries = GenericUtils.size(acl);
- buffer.putInt(numEntries);
- if (numEntries > 0) {
- for (AclEntry e : acl) {
- buffer = writeAclEntry(buffer, e);
- }
- }
-
- return buffer;
- }
-
- public static <B extends Buffer> B writeAclEntry(B buffer, AclEntry acl) {
- Objects.requireNonNull(acl, "No ACL");
-
- AclEntryType type = acl.type();
- int aclType = encodeAclEntryType(type);
- ValidateUtils.checkTrue(aclType >= 0, "Unknown ACL type: %s", type);
- buffer.putInt(aclType);
- buffer.putInt(encodeAclFlags(acl.flags()));
- buffer.putInt(encodeAclMask(acl.permissions()));
-
- Principal user = acl.principal();
- buffer.putString(user.getName());
- return buffer;
- }
-
- /**
- * Returns the equivalent SFTP value for the ACL type
- *
- * @param type The {@link AclEntryType}
- * @return The equivalent {@code ACE_SYSTEM_xxx_TYPE} or negative
- * if {@code null} or unknown type
- */
- public static int encodeAclEntryType(AclEntryType type) {
- if (type == null) {
- return Integer.MIN_VALUE;
- }
-
- switch(type) {
- case ALARM:
- return SftpConstants.ACE4_SYSTEM_ALARM_ACE_TYPE;
- case ALLOW:
- return SftpConstants.ACE4_ACCESS_ALLOWED_ACE_TYPE;
- case AUDIT:
- return SftpConstants.ACE4_SYSTEM_AUDIT_ACE_TYPE;
- case DENY:
- return SftpConstants.ACE4_ACCESS_DENIED_ACE_TYPE;
- default:
- return -1;
- }
- }
-
- public static long encodeAclFlags(Collection<AclEntryFlag> flags) {
- if (GenericUtils.isEmpty(flags)) {
- return 0L;
- }
-
- long aclFlag = 0L;
- if (flags.contains(AclEntryFlag.FILE_INHERIT)) {
- aclFlag |= SftpConstants.ACE4_FILE_INHERIT_ACE;
- }
- if (flags.contains(AclEntryFlag.DIRECTORY_INHERIT)) {
- aclFlag |= SftpConstants.ACE4_DIRECTORY_INHERIT_ACE;
- }
- if (flags.contains(AclEntryFlag.NO_PROPAGATE_INHERIT)) {
- aclFlag |= SftpConstants.ACE4_NO_PROPAGATE_INHERIT_ACE;
- }
- if (flags.contains(AclEntryFlag.INHERIT_ONLY)) {
- aclFlag |= SftpConstants.ACE4_INHERIT_ONLY_ACE;
- }
-
- return aclFlag;
- }
-
- public static long encodeAclMask(Collection<AclEntryPermission> mask) {
- if (GenericUtils.isEmpty(mask)) {
- return 0L;
- }
-
- long aclMask = 0L;
- if (mask.contains(AclEntryPermission.READ_DATA)) {
- aclMask |= SftpConstants.ACE4_READ_DATA;
- }
- if (mask.contains(AclEntryPermission.LIST_DIRECTORY)) {
- aclMask |= SftpConstants.ACE4_LIST_DIRECTORY;
- }
- if (mask.contains(AclEntryPermission.WRITE_DATA)) {
- aclMask |= SftpConstants.ACE4_WRITE_DATA;
- }
- if (mask.contains(AclEntryPermission.ADD_FILE)) {
- aclMask |= SftpConstants.ACE4_ADD_FILE;
- }
- if (mask.contains(AclEntryPermission.APPEND_DATA)) {
- aclMask |= SftpConstants.ACE4_APPEND_DATA;
- }
- if (mask.contains(AclEntryPermission.ADD_SUBDIRECTORY)) {
- aclMask |= SftpConstants.ACE4_ADD_SUBDIRECTORY;
- }
- if (mask.contains(AclEntryPermission.READ_NAMED_ATTRS)) {
- aclMask |= SftpConstants.ACE4_READ_NAMED_ATTRS;
- }
- if (mask.contains(AclEntryPermission.WRITE_NAMED_ATTRS)) {
- aclMask |= SftpConstants.ACE4_WRITE_NAMED_ATTRS;
- }
- if (mask.contains(AclEntryPermission.EXECUTE)) {
- aclMask |= SftpConstants.ACE4_EXECUTE;
- }
- if (mask.contains(AclEntryPermission.DELETE_CHILD)) {
- aclMask |= SftpConstants.ACE4_DELETE_CHILD;
- }
- if (mask.contains(AclEntryPermission.READ_ATTRIBUTES)) {
- aclMask |= SftpConstants.ACE4_READ_ATTRIBUTES;
- }
- if (mask.contains(AclEntryPermission.WRITE_ATTRIBUTES)) {
- aclMask |= SftpConstants.ACE4_WRITE_ATTRIBUTES;
- }
- if (mask.contains(AclEntryPermission.DELETE)) {
- aclMask |= SftpConstants.ACE4_DELETE;
- }
- if (mask.contains(AclEntryPermission.READ_ACL)) {
- aclMask |= SftpConstants.ACE4_READ_ACL;
- }
- if (mask.contains(AclEntryPermission.WRITE_ACL)) {
- aclMask |= SftpConstants.ACE4_WRITE_ACL;
- }
- if (mask.contains(AclEntryPermission.WRITE_OWNER)) {
- aclMask |= SftpConstants.ACE4_WRITE_OWNER;
- }
- if (mask.contains(AclEntryPermission.SYNCHRONIZE)) {
- aclMask |= SftpConstants.ACE4_SYNCHRONIZE;
- }
-
- return aclMask;
- }
-
- /**
- * Encodes a {@link FileTime} value into a buffer
- *
- * @param <B> Type of {@link Buffer} being updated
- * @param buffer The target buffer instance
- * @param version The encoding version
- * @param flags The encoding flags
- * @param time The value to encode
- * @return The updated buffer
- */
- public static <B extends Buffer> B writeTime(B buffer, int version, int flags, FileTime time) {
- // for v3 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#page-8
- // for v6 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-16
- if (version >= SftpConstants.SFTP_V4) {
- buffer.putLong(time.to(TimeUnit.SECONDS));
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SUBSECOND_TIMES) != 0) {
- long nanos = time.to(TimeUnit.NANOSECONDS);
- nanos = nanos % TimeUnit.SECONDS.toNanos(1);
- buffer.putInt((int) nanos);
- }
- } else {
- buffer.putInt(time.to(TimeUnit.SECONDS));
- }
-
- return buffer;
- }
-
- /**
- * Decodes a {@link FileTime} value from a buffer
- *
- * @param buffer The source {@link Buffer}
- * @param version The encoding version
- * @param flags The encoding flags
- * @return The decoded value
- */
- public static FileTime readTime(Buffer buffer, int version, int flags) {
- // for v3 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#page-8
- // for v6 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-16
- long secs = (version >= SftpConstants.SFTP_V4) ? buffer.getLong() : buffer.getUInt();
- long millis = TimeUnit.SECONDS.toMillis(secs);
- if ((version >= SftpConstants.SFTP_V4) && ((flags & SftpConstants.SSH_FILEXFER_ATTR_SUBSECOND_TIMES) != 0)) {
- long nanoseconds = buffer.getUInt();
- millis += TimeUnit.NANOSECONDS.toMillis(nanoseconds);
- }
- return FileTime.from(millis, TimeUnit.MILLISECONDS);
- }
-
- /**
- * Creates an "ls -l" compatible long name string
- *
- * @param shortName The short file name - can also be "." or ".."
- * @param attributes The file's attributes - e.g., size, owner, permissions, etc.
- * @return A {@link String} representing the "long" file name as per
- * <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-02">SFTP version 3 - section 7</A>
- */
- public static String getLongName(String shortName, Map<String, ?> attributes) {
- String owner = Objects.toString(attributes.get("owner"), null);
- String username = OsUtils.getCanonicalUser(owner);
- if (GenericUtils.isEmpty(username)) {
- username = SftpUniversalOwnerAndGroup.Owner.getName();
- }
-
- String group = Objects.toString(attributes.get("group"), null);
- group = OsUtils.resolveCanonicalGroup(group, owner);
- if (GenericUtils.isEmpty(group)) {
- group = SftpUniversalOwnerAndGroup.Group.getName();
- }
-
- Number length = (Number) attributes.get("size");
- if (length == null) {
- length = 0L;
- }
-
- String lengthString = String.format("%1$8s", length);
- String linkCount = Objects.toString(attributes.get("nlink"), null);
- if (GenericUtils.isEmpty(linkCount)) {
- linkCount = "1";
- }
-
- Boolean isDirectory = (Boolean) attributes.get("isDirectory");
- Boolean isLink = (Boolean) attributes.get("isSymbolicLink");
- @SuppressWarnings("unchecked")
- Set<PosixFilePermission> perms = (Set<PosixFilePermission>) attributes.get("permissions");
- if (perms == null) {
- perms = EnumSet.noneOf(PosixFilePermission.class);
- }
- String permsString = PosixFilePermissions.toString(perms);
- String timeStamp = UnixDateFormat.getUnixDate((FileTime) attributes.get("lastModifiedTime"));
- StringBuilder sb = new StringBuilder(
- GenericUtils.length(linkCount) + GenericUtils.length(username) + GenericUtils.length(group)
- + GenericUtils.length(timeStamp) + GenericUtils.length(lengthString)
- + GenericUtils.length(permsString) + GenericUtils.length(shortName)
- + Integer.SIZE);
- sb.append(SftpHelper.getBool(isDirectory) ? 'd' : (SftpHelper.getBool(isLink) ? 'l' : '-')).append(permsString);
-
- sb.append(' ');
- for (int index = linkCount.length(); index < 3; index++) {
- sb.append(' ');
- }
- sb.append(linkCount);
-
- sb.append(' ').append(username);
- for (int index = username.length(); index < 8; index++) {
- sb.append(' ');
- }
-
- sb.append(' ').append(group);
- for (int index = group.length(); index < 8; index++) {
- sb.append(' ');
- }
-
- sb.append(' ').append(lengthString).append(' ').append(timeStamp).append(' ').append(shortName);
- return sb.toString();
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroup.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroup.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroup.java
deleted file mode 100644
index 68ab055..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroup.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp;
-
-import java.util.Collections;
-import java.util.EnumSet;
-import java.util.Set;
-
-import org.apache.sshd.common.NamedResource;
-
-/**
- * Some universal identifiers used in owner and/or group specification strings
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#page-12">SFTP ACL</A>
- */
-public enum SftpUniversalOwnerAndGroup implements NamedResource {
- Owner, // The owner of the file.
- Group, // The group associated with the file.
- Everyone, // The world.
- Interactive, // Accessed from an interactive terminal.
- Network, // Accessed via the network.
- Dialup, // Accessed as a dialup user to the server.
- Batch, // Accessed from a batch job.
- Anonymous, // Accessed without any authentication.
- Authenticated, // Any authenticated user (opposite of ANONYMOUS).
- Service; // Access from a system service.
-
- public static final Set<SftpUniversalOwnerAndGroup> VALUES =
- Collections.unmodifiableSet(EnumSet.allOf(SftpUniversalOwnerAndGroup.class));
-
- private final String name;
-
- SftpUniversalOwnerAndGroup() {
- name = name().toUpperCase() + "@";
- }
-
- @Override
- public String getName() {
- return name;
- }
-
- @Override
- public String toString() {
- return getName();
- }
-
- public static SftpUniversalOwnerAndGroup fromName(String name) {
- return NamedResource.findByName(name, String.CASE_INSENSITIVE_ORDER, VALUES);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AbstractParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AbstractParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AbstractParser.java
deleted file mode 100644
index 15cb3fe..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AbstractParser.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions;
-
-import org.apache.sshd.common.util.ValidateUtils;
-
-/**
- * @param <T> Parse result type
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractParser<T> implements ExtensionParser<T> {
- private final String name;
-
- protected AbstractParser(String name) {
- this.name = ValidateUtils.checkNotNullAndNotEmpty(name, "No extension name");
- }
-
- @Override
- public final String getName() {
- return name;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AclSupportedParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AclSupportedParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AclSupportedParser.java
deleted file mode 100644
index ea2d12d..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AclSupportedParser.java
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions;
-
-import java.io.Serializable;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-import java.util.TreeSet;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.AclSupportedParser.AclCapabilities;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
-import org.apache.sshd.common.util.logging.LoggingUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class AclSupportedParser extends AbstractParser<AclCapabilities> {
- /**
- * The "acl-supported" information as per
- * <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-11">DRAFT 11 - section 5.4</A>
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
- public static class AclCapabilities implements Serializable, Cloneable {
- private static final long serialVersionUID = -3118426327336468237L;
- private int capabilities;
-
- public AclCapabilities() {
- this(0);
- }
-
- public AclCapabilities(int capabilities) {
- this.capabilities = capabilities;
- }
-
- public int getCapabilities() {
- return capabilities;
- }
-
- public void setCapabilities(int capabilities) {
- this.capabilities = capabilities;
- }
-
- @Override
- public int hashCode() {
- return getCapabilities();
- }
-
- @Override
- public boolean equals(Object obj) {
- if (obj == null) {
- return false;
- }
- if (obj == this) {
- return true;
- }
- if (getClass() != obj.getClass()) {
- return false;
- }
-
- return ((AclCapabilities) obj).getCapabilities() == getCapabilities();
- }
-
- @Override
- public AclCapabilities clone() {
- try {
- return getClass().cast(super.clone());
- } catch (CloneNotSupportedException e) {
- throw new RuntimeException("Failed to clone " + toString() + ": " + e.getMessage(), e);
- }
- }
-
- @Override
- public String toString() {
- return Objects.toString(decodeAclCapabilities(getCapabilities()));
- }
-
- private static class LazyAclCapabilityNameHolder {
- private static final String ACL_CAP_NAME_PREFIX = "SSH_ACL_CAP_";
- private static final Map<Integer, String> ACL_VALUES_MAP = LoggingUtils.generateMnemonicMap(SftpConstants.class, ACL_CAP_NAME_PREFIX);
- private static final Map<String, Integer> ACL_NAMES_MAP =
- Collections.unmodifiableMap(GenericUtils.flipMap(ACL_VALUES_MAP, GenericUtils.caseInsensitiveMap(), false));
- }
-
- @SuppressWarnings("synthetic-access")
- public static Map<String, Integer> getAclCapabilityNamesMap() {
- return LazyAclCapabilityNameHolder.ACL_NAMES_MAP;
- }
-
- /**
- * @param name The ACL capability name - may be without the "SSH_ACL_CAP_xxx" prefix.
- * Ignored if {@code null}/empty
- * @return The matching {@link Integer} value - or {@code null} if no match found
- */
- public static Integer getAclCapabilityValue(String name) {
- if (GenericUtils.isEmpty(name)) {
- return null;
- }
-
- name = name.toUpperCase();
- if (!name.startsWith(LazyAclCapabilityNameHolder.ACL_CAP_NAME_PREFIX)) {
- name += LazyAclCapabilityNameHolder.ACL_CAP_NAME_PREFIX;
- }
-
- Map<String, Integer> map = getAclCapabilityNamesMap();
- return map.get(name);
- }
-
- @SuppressWarnings("synthetic-access")
- public static Map<Integer, String> getAclCapabilityValuesMap() {
- return LazyAclCapabilityNameHolder.ACL_VALUES_MAP;
- }
-
- public static String getAclCapabilityName(int aclCapValue) {
- Map<Integer, String> map = getAclCapabilityValuesMap();
- String name = map.get(aclCapValue);
- if (GenericUtils.isEmpty(name)) {
- return Integer.toString(aclCapValue);
- } else {
- return name;
- }
- }
-
- public static Set<String> decodeAclCapabilities(int mask) {
- if (mask == 0) {
- return Collections.emptySet();
- }
-
- Set<String> caps = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
- Map<Integer, String> map = getAclCapabilityValuesMap();
- map.forEach((value, name) -> {
- if ((mask & value) != 0) {
- caps.add(name);
- }
- });
-
- return caps;
- }
-
- public static int constructAclCapabilities(Collection<Integer> maskValues) {
- if (GenericUtils.isEmpty(maskValues)) {
- return 0;
- }
-
- int mask = 0;
- for (Integer v : maskValues) {
- mask |= v;
- }
-
- return mask;
- }
-
- public static Set<Integer> deconstructAclCapabilities(int mask) {
- if (mask == 0) {
- return Collections.emptySet();
- }
-
- Map<Integer, String> map = getAclCapabilityValuesMap();
- Set<Integer> caps = new HashSet<>(map.size());
- for (Integer v : map.keySet()) {
- if ((mask & v) != 0) {
- caps.add(v);
- }
- }
-
- return caps;
- }
- }
-
- public static final AclSupportedParser INSTANCE = new AclSupportedParser();
-
- public AclSupportedParser() {
- super(SftpConstants.EXT_ACL_SUPPORTED);
- }
-
- @Override
- public AclCapabilities parse(byte[] input, int offset, int len) {
- return parse(new ByteArrayBuffer(input, offset, len));
- }
-
- public AclCapabilities parse(Buffer buffer) {
- return new AclCapabilities(buffer.getInt());
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ExtensionParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ExtensionParser.java
deleted file mode 100644
index cd74a26..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ExtensionParser.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions;
-
-import java.util.function.Function;
-
-import org.apache.sshd.common.NamedResource;
-import org.apache.sshd.common.util.NumberUtils;
-
-/**
- * @param <T> Result type
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface ExtensionParser<T> extends NamedResource, Function<byte[], T> {
- default T parse(byte[] input) {
- return parse(input, 0, NumberUtils.length(input));
- }
-
- T parse(byte[] input, int offset, int len);
-
- @Override
- default T apply(byte[] input) {
- return parse(input);
- }
-}
[21/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultGroupPrincipal.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultGroupPrincipal.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultGroupPrincipal.java
deleted file mode 100644
index acf3118..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultGroupPrincipal.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.nio.file.attribute.GroupPrincipal;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class DefaultGroupPrincipal extends PrincipalBase implements GroupPrincipal {
-
- public DefaultGroupPrincipal(String name) {
- super(name);
- }
-
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultUserPrincipal.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultUserPrincipal.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultUserPrincipal.java
deleted file mode 100644
index d71d772..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultUserPrincipal.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.nio.file.attribute.UserPrincipal;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class DefaultUserPrincipal extends PrincipalBase implements UserPrincipal {
-
- public DefaultUserPrincipal(String name) {
- super(name);
- }
-
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DirectoryHandle.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DirectoryHandle.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DirectoryHandle.java
deleted file mode 100644
index 0ae60cf..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/DirectoryHandle.java
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.DirectoryStream;
-import java.nio.file.Path;
-import java.util.Iterator;
-
-import org.apache.sshd.server.session.ServerSession;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class DirectoryHandle extends Handle implements Iterator<Path> {
-
- private boolean done;
- private boolean sendDotDot = true;
- private boolean sendDot = true;
- // the directory should be read once at "open directory"
- private DirectoryStream<Path> ds;
- private Iterator<Path> fileList;
-
- public DirectoryHandle(SftpSubsystem subsystem, Path dir, String handle) throws IOException {
- super(dir, handle);
- signalHandleOpening(subsystem);
-
- SftpFileSystemAccessor accessor = subsystem.getFileSystemAccessor();
- ServerSession session = subsystem.getServerSession();
- ds = accessor.openDirectory(session, subsystem, dir, handle);
-
- Path parent = dir.getParent();
- if (parent == null) {
- sendDotDot = false; // if no parent then no need to send ".."
- }
- fileList = ds.iterator();
-
- try {
- signalHandleOpen(subsystem);
- } catch (IOException e) {
- close();
- throw e;
- }
- }
-
- public boolean isDone() {
- return done;
- }
-
- public void markDone() {
- this.done = true;
- // allow the garbage collector to do the job
- this.fileList = null;
- }
-
- public boolean isSendDot() {
- return sendDot;
- }
-
- public void markDotSent() {
- sendDot = false;
- }
-
- public boolean isSendDotDot() {
- return sendDotDot;
- }
-
- public void markDotDotSent() {
- sendDotDot = false;
- }
-
- @Override
- public boolean hasNext() {
- return fileList.hasNext();
- }
-
- @Override
- public Path next() {
- return fileList.next();
- }
-
- @Override
- public void remove() {
- throw new UnsupportedOperationException("Not allowed to remove " + toString());
- }
-
- @Override
- public void close() throws IOException {
- super.close();
- markDone(); // just making sure
- ds.close();
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/FileHandle.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/FileHandle.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/FileHandle.java
deleted file mode 100644
index b499524..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/FileHandle.java
+++ /dev/null
@@ -1,270 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.nio.channels.FileLock;
-import java.nio.channels.SeekableByteChannel;
-import java.nio.file.Path;
-import java.nio.file.StandardOpenOption;
-import java.nio.file.attribute.FileAttribute;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.EnumSet;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.server.session.ServerSession;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class FileHandle extends Handle {
- private final int access;
- private final SeekableByteChannel fileChannel;
- private final List<FileLock> locks = new ArrayList<>();
- private final SftpSubsystem subsystem;
- private final Set<StandardOpenOption> openOptions;
- private final Collection<FileAttribute<?>> fileAttributes;
-
- public FileHandle(SftpSubsystem subsystem, Path file, String handle, int flags, int access, Map<String, Object> attrs) throws IOException {
- super(file, handle);
- this.subsystem = Objects.requireNonNull(subsystem, "No subsystem instance provided");
- this.access = access;
- this.openOptions = Collections.unmodifiableSet(getOpenOptions(flags, access));
- this.fileAttributes = Collections.unmodifiableCollection(toFileAttributes(attrs));
- signalHandleOpening(subsystem);
-
- FileAttribute<?>[] fileAttrs = GenericUtils.isEmpty(fileAttributes)
- ? IoUtils.EMPTY_FILE_ATTRIBUTES
- : fileAttributes.toArray(new FileAttribute<?>[fileAttributes.size()]);
- SftpFileSystemAccessor accessor = subsystem.getFileSystemAccessor();
- ServerSession session = subsystem.getServerSession();
- SeekableByteChannel channel;
- try {
- channel = accessor.openFile(session, subsystem, file, handle, openOptions, fileAttrs);
- } catch (UnsupportedOperationException e) {
- channel = accessor.openFile(session, subsystem, file, handle, openOptions, IoUtils.EMPTY_FILE_ATTRIBUTES);
- subsystem.doSetAttributes(file, attrs);
- }
- this.fileChannel = channel;
-
- try {
- signalHandleOpen(subsystem);
- } catch (IOException e) {
- close();
- throw e;
- }
- }
-
- public final Set<StandardOpenOption> getOpenOptions() {
- return openOptions;
- }
-
- public final Collection<FileAttribute<?>> getFileAttributes() {
- return fileAttributes;
- }
-
- public final SeekableByteChannel getFileChannel() {
- return fileChannel;
- }
-
- public int getAccessMask() {
- return access;
- }
-
- public boolean isOpenAppend() {
- return SftpConstants.ACE4_APPEND_DATA == (getAccessMask() & SftpConstants.ACE4_APPEND_DATA);
- }
-
- public int read(byte[] data, long offset) throws IOException {
- return read(data, 0, data.length, offset);
- }
-
- public int read(byte[] data, int doff, int length, long offset) throws IOException {
- SeekableByteChannel channel = getFileChannel();
- channel = channel.position(offset);
- return channel.read(ByteBuffer.wrap(data, doff, length));
- }
-
- public void append(byte[] data) throws IOException {
- append(data, 0, data.length);
- }
-
- public void append(byte[] data, int doff, int length) throws IOException {
- SeekableByteChannel channel = getFileChannel();
- write(data, doff, length, channel.size());
- }
-
- public void write(byte[] data, long offset) throws IOException {
- write(data, 0, data.length, offset);
- }
-
- public void write(byte[] data, int doff, int length, long offset) throws IOException {
- SeekableByteChannel channel = getFileChannel();
- channel = channel.position(offset);
- channel.write(ByteBuffer.wrap(data, doff, length));
- }
-
- @Override
- public void close() throws IOException {
- super.close();
-
- SeekableByteChannel channel = getFileChannel();
- if (channel.isOpen()) {
- channel.close();
- }
- }
-
- public void lock(long offset, long length, int mask) throws IOException {
- SeekableByteChannel channel = getFileChannel();
- long size = (length == 0L) ? channel.size() - offset : length;
- SftpFileSystemAccessor accessor = subsystem.getFileSystemAccessor();
- ServerSession session = subsystem.getServerSession();
- FileLock lock = accessor.tryLock(session, subsystem, getFile(), getFileHandle(), channel, offset, size, false);
- if (lock == null) {
- throw new SftpException(SftpConstants.SSH_FX_BYTE_RANGE_LOCK_REFUSED,
- "Overlapping lock held by another program on range [" + offset + "-" + (offset + length));
- }
-
- synchronized (locks) {
- locks.add(lock);
- }
- }
-
- public void unlock(long offset, long length) throws IOException {
- SeekableByteChannel channel = getFileChannel();
- long size = (length == 0L) ? channel.size() - offset : length;
- FileLock lock = null;
- for (Iterator<FileLock> iterator = locks.iterator(); iterator.hasNext();) {
- FileLock l = iterator.next();
- if ((l.position() == offset) && (l.size() == size)) {
- iterator.remove();
- lock = l;
- break;
- }
- }
- if (lock == null) {
- throw new SftpException(SftpConstants.SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK,
- "No matching lock found on range [" + offset + "-" + (offset + length));
- }
-
- lock.release();
- }
-
- public static Collection<FileAttribute<?>> toFileAttributes(Map<String, Object> attrs) {
- if (GenericUtils.isEmpty(attrs)) {
- return Collections.emptyList();
- }
-
- Collection<FileAttribute<?>> attributes = null;
- // Cannot use forEach because the referenced attributes variable is not effectively final
- for (Map.Entry<String, Object> attr : attrs.entrySet()) {
- FileAttribute<?> fileAttr = toFileAttribute(attr.getKey(), attr.getValue());
- if (fileAttr == null) {
- continue;
- }
- if (attributes == null) {
- attributes = new LinkedList<>();
- }
- attributes.add(fileAttr);
- }
-
- return (attributes == null) ? Collections.emptyList() : attributes;
- }
-
- public static FileAttribute<?> toFileAttribute(String key, Object val) {
- // Some ignored attributes sent by the SFTP client
- if ("isOther".equals(key)) {
- if ((Boolean) val) {
- throw new IllegalArgumentException("Not allowed to use " + key + "=" + val);
- }
- return null;
- } else if ("isRegular".equals(key)) {
- if (!(Boolean) val) {
- throw new IllegalArgumentException("Not allowed to use " + key + "=" + val);
- }
- return null;
- }
-
- return new FileAttribute<Object>() {
- private final String s = key + "=" + val;
-
- @Override
- public String name() {
- return key;
- }
-
- @Override
- public Object value() {
- return val;
- }
-
- @Override
- public String toString() {
- return s;
- }
- };
- }
-
- public static Set<StandardOpenOption> getOpenOptions(int flags, int access) {
- Set<StandardOpenOption> options = EnumSet.noneOf(StandardOpenOption.class);
- if (((access & SftpConstants.ACE4_READ_DATA) != 0) || ((access & SftpConstants.ACE4_READ_ATTRIBUTES) != 0)) {
- options.add(StandardOpenOption.READ);
- }
- if (((access & SftpConstants.ACE4_WRITE_DATA) != 0) || ((access & SftpConstants.ACE4_WRITE_ATTRIBUTES) != 0)) {
- options.add(StandardOpenOption.WRITE);
- }
-
- int accessDisposition = flags & SftpConstants.SSH_FXF_ACCESS_DISPOSITION;
- switch (accessDisposition) {
- case SftpConstants.SSH_FXF_CREATE_NEW:
- options.add(StandardOpenOption.CREATE_NEW);
- break;
- case SftpConstants.SSH_FXF_CREATE_TRUNCATE:
- options.add(StandardOpenOption.CREATE);
- options.add(StandardOpenOption.TRUNCATE_EXISTING);
- break;
- case SftpConstants.SSH_FXF_OPEN_EXISTING:
- break;
- case SftpConstants.SSH_FXF_OPEN_OR_CREATE:
- options.add(StandardOpenOption.CREATE);
- break;
- case SftpConstants.SSH_FXF_TRUNCATE_EXISTING:
- options.add(StandardOpenOption.TRUNCATE_EXISTING);
- break;
- default: // ignored
- }
- if ((flags & SftpConstants.SSH_FXF_APPEND_DATA) != 0) {
- options.add(StandardOpenOption.APPEND);
- }
-
- return options;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/Handle.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/Handle.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/Handle.java
deleted file mode 100644
index a860eec..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/Handle.java
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.Path;
-import java.util.Objects;
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.server.session.ServerSession;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class Handle implements java.nio.channels.Channel {
- private final AtomicBoolean closed = new AtomicBoolean(false);
- private final Path file;
- private final String handle;
-
- protected Handle(Path file, String handle) {
- this.file = Objects.requireNonNull(file, "No local file path");
- this.handle = ValidateUtils.checkNotNullAndNotEmpty(handle, "No assigned handle for %s", file);
- }
-
- protected void signalHandleOpening(SftpSubsystem subsystem) throws IOException {
- SftpEventListener listener = subsystem.getSftpEventListenerProxy();
- ServerSession session = subsystem.getServerSession();
- listener.opening(session, handle, this);
- }
-
- protected void signalHandleOpen(SftpSubsystem subsystem) throws IOException {
- SftpEventListener listener = subsystem.getSftpEventListenerProxy();
- ServerSession session = subsystem.getServerSession();
- listener.open(session, handle, this);
- }
-
- public Path getFile() {
- return file;
- }
-
- public String getFileHandle() {
- return handle;
- }
-
- @Override
- public boolean isOpen() {
- return !closed.get();
- }
-
- @Override
- public void close() throws IOException {
- if (!closed.getAndSet(true)) {
- //noinspection UnnecessaryReturnStatement
- return; // debug breakpoint
- }
- }
-
- @Override
- public String toString() {
- return Objects.toString(getFile());
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/InvalidHandleException.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/InvalidHandleException.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/InvalidHandleException.java
deleted file mode 100644
index af7b147..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/InvalidHandleException.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.io.IOException;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class InvalidHandleException extends IOException {
- private static final long serialVersionUID = -1686077114375131889L;
-
- public InvalidHandleException(String handle, Handle h, Class<? extends Handle> expected) {
- super(handle + "[" + h + "] is not a " + expected.getSimpleName());
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/PrincipalBase.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/PrincipalBase.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/PrincipalBase.java
deleted file mode 100644
index 310c3b4..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/PrincipalBase.java
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.security.Principal;
-import java.util.Objects;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class PrincipalBase implements Principal {
-
- private final String name;
-
- public PrincipalBase(String name) {
- if (name == null) {
- throw new IllegalArgumentException("name is null");
- }
- this.name = name;
- }
-
- @Override
- public final String getName() {
- return name;
- }
-
- @Override
- public boolean equals(Object o) {
- if (this == o) {
- return true;
- }
- if ((o == null) || (getClass() != o.getClass())) {
- return false;
- }
-
- Principal that = (Principal) o;
- return Objects.equals(getName(), that.getName());
- }
-
- @Override
- public int hashCode() {
- return Objects.hashCode(getName());
- }
-
- @Override
- public String toString() {
- return getName();
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpErrorStatusDataHandler.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpErrorStatusDataHandler.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpErrorStatusDataHandler.java
deleted file mode 100644
index 1498ba2..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpErrorStatusDataHandler.java
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import org.apache.sshd.common.subsystem.sftp.SftpHelper;
-
-/**
- * Invoked in order to format failed commands messages
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpErrorStatusDataHandler {
- SftpErrorStatusDataHandler DEFAULT = new SftpErrorStatusDataHandler() {
- @Override
- public String toString() {
- return SftpErrorStatusDataHandler.class.getSimpleName() + "[DEFAULT]";
- }
- };
-
- /**
- * @param sftpSubsystem The SFTP subsystem instance
- * @param id The command identifier
- * @param e Thrown exception
- * @param cmd The command that was attempted
- * @param args The relevant command arguments - <B>Note:</B> provided only for
- * <U>logging</U> purposes and subject to type and/or order change at any version
- * @return The relevant sub-status to send as failure indication for the failed command
- * @see SftpHelper#resolveSubstatus(Throwable)
- */
- default int resolveSubStatus(SftpSubsystemEnvironment sftpSubsystem, int id, Throwable e, int cmd, Object... args) {
- return SftpHelper.resolveSubstatus(e);
- }
-
- /**
- * @param sftpSubsystem The SFTP subsystem instance
- * @param id The command identifier
- * @param e Thrown exception
- * @param subStatus The sub-status code obtained from invocation of
- * {@link #resolveSubStatus(SftpSubsystemEnvironment, int, Throwable, int, Object...) resolveSubStatus}
- * @param cmd The command that was attempted
- * @param args The relevant command arguments - <B>Note:</B> provided only for
- * <U>logging</U> purposes and subject to type and/or order change at any version
- * @return The human readable text message that explains the failure reason
- * @see SftpHelper#resolveStatusMessage(int)
- */
- default String resolveErrorMessage(
- SftpSubsystemEnvironment sftpSubsystem, int id, Throwable e, int subStatus, int cmd, Object... args) {
- return SftpHelper.resolveStatusMessage(subStatus);
- }
-
- /**
- * @param sftpSubsystem The SFTP subsystem instance
- * @param id The command identifier
- * @param e Thrown exception
- * @param subStatus The sub-status code obtained from invocation of
- * {@link #resolveSubStatus(SftpSubsystemEnvironment, int, Throwable, int, Object...) resolveSubStatus}
- * @param cmd The command that was attempted
- * @param args The relevant command arguments - <B>Note:</B> provided only for
- * <U>logging</U> purposes and subject to type and/or order change at any version
- * @return The error message language tag - recommend returning empty string
- */
- default String resolveErrorLanguage(
- SftpSubsystemEnvironment sftpSubsystem, int id, Throwable e, int subStatus, int cmd, Object... args) {
- return "";
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListener.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListener.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListener.java
deleted file mode 100644
index c518af3..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListener.java
+++ /dev/null
@@ -1,396 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.CopyOption;
-import java.nio.file.Path;
-import java.util.Collection;
-import java.util.Map;
-
-import org.apache.sshd.common.util.SshdEventListener;
-import org.apache.sshd.server.session.ServerSession;
-
-/**
- * Can be used register for SFTP events. <B>Note:</B> it does not expose
- * the entire set of available SFTP commands and responses (e.g., no reports
- * for initialization, extensions, parameters re-negotiation, etc...);
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpEventListener extends SshdEventListener {
- /**
- * Called when the SFTP protocol has been initialized
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param version The negotiated SFTP version
- */
- default void initialized(ServerSession session, int version) {
- // ignored
- }
-
- /**
- * Called when subsystem is destroyed since it was closed
- *
- * @param session The associated {@link ServerSession}
- */
- default void destroying(ServerSession session) {
- // ignored
- }
-
- /**
- * Specified file / directory is being opened
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file / directory
- * @param localHandle The associated file / directory {@link Handle}
- * @throws IOException If failed to handle the call
- */
- default void opening(ServerSession session, String remoteHandle, Handle localHandle)
- throws IOException {
- // ignored
- }
-
- /**
- * Specified file / directory has been opened
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file / directory
- * @param localHandle The associated file / directory {@link Handle}
- * @throws IOException If failed to handle the call
- */
- default void open(ServerSession session, String remoteHandle, Handle localHandle)
- throws IOException {
- // ignored
- }
-
- /**
- * Result of reading entries from a directory - <B>Note:</B> it may be a
- * <U>partial</U> result if the directory contains more entries than can
- * be accommodated in the response
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the directory
- * @param localHandle The associated {@link DirectoryHandle}
- * @param entries A {@link Map} of the listed entries - key = short name,
- * value = {@link Path} of the sub-entry
- * @throws IOException If failed to handle the call
- */
- default void read(ServerSession session, String remoteHandle, DirectoryHandle localHandle, Map<String, Path> entries)
- throws IOException {
- // ignored
- }
-
- /**
- * Preparing to read from a file
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file
- * @param localHandle The associated {@link FileHandle}
- * @param offset Offset in file from which to read
- * @param data Buffer holding the read data
- * @param dataOffset Offset of read data in buffer
- * @param dataLen Requested read length
- * @throws IOException If failed to handle the call
- */
- default void reading(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, byte[] data, int dataOffset, int dataLen) throws IOException {
- // ignored
- }
-
- /**
- * Result of reading from a file
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file
- * @param localHandle The associated {@link FileHandle}
- * @param offset Offset in file from which to read
- * @param data Buffer holding the read data
- * @param dataOffset Offset of read data in buffer
- * @param dataLen Requested read length
- * @param readLen Actual read length - negative if thrown exception provided
- * @param thrown Non-{@code null} if read failed due to this exception
- * @throws IOException If failed to handle the call
- */
- default void read(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, byte[] data, int dataOffset, int dataLen, int readLen, Throwable thrown)
- throws IOException {
- // ignored
- }
-
- /**
- * Preparing to write to file
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file
- * @param localHandle The associated {@link FileHandle}
- * @param offset Offset in file to which to write
- * @param data Buffer holding the written data
- * @param dataOffset Offset of write data in buffer
- * @param dataLen Requested write length
- * @throws IOException If failed to handle the call
- */
- default void writing(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, byte[] data, int dataOffset, int dataLen)
- throws IOException {
- // ignored
- }
-
- /**
- * Finished to writing to file
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file
- * @param localHandle The associated {@link FileHandle}
- * @param offset Offset in file to which to write
- * @param data Buffer holding the written data
- * @param dataOffset Offset of write data in buffer
- * @param dataLen Requested write length
- * @param thrown The reason for failing to write - {@code null} if successful
- * @throws IOException If failed to handle the call
- */
- default void written(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, byte[] data, int dataOffset, int dataLen, Throwable thrown)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>prior</U> to blocking a file section
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file
- * @param localHandle The associated {@link FileHandle}
- * @param offset Offset in file for locking
- * @param length Section size for locking
- * @param mask Lock mask flags - see {@code SSH_FXP_BLOCK} message
- * @throws IOException If failed to handle the call
- * @see #blocked(ServerSession, String, FileHandle, long, long, int, Throwable)
- */
- default void blocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length, int mask)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>after</U> blocking a file section
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file
- * @param localHandle The associated {@link FileHandle}
- * @param offset Offset in file for locking
- * @param length Section size for locking
- * @param mask Lock mask flags - see {@code SSH_FXP_BLOCK} message
- * @param thrown If not-{@code null} then the reason for the failure to execute
- * @throws IOException If failed to handle the call
- */
- default void blocked(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length, int mask, Throwable thrown)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>prior</U> to un-blocking a file section
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file
- * @param localHandle The associated {@link FileHandle}
- * @param offset Offset in file for un-locking
- * @param length Section size for un-locking
- * @throws IOException If failed to handle the call
- */
- default void unblocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>prior</U> to un-blocking a file section
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file
- * @param localHandle The associated {@link FileHandle}
- * @param offset Offset in file for un-locking
- * @param length Section size for un-locking
- * @param thrown If not-{@code null} then the reason for the failure to execute
- * @throws IOException If failed to handle the call
- */
- default void unblocked(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length, Throwable thrown)
- throws IOException {
- // ignored
- }
-
- /**
- * Specified file / directory has been closed
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param remoteHandle The (opaque) assigned handle for the file / directory
- * @param localHandle The associated file / directory {@link Handle}
- */
- default void close(ServerSession session, String remoteHandle, Handle localHandle) {
- // ignored
- }
-
- /**
- * Called <U>prior</U> to creating a directory
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param path Directory {@link Path} to be created
- * @param attrs Requested associated attributes to set
- * @throws IOException If failed to handle the call
- * @see #created(ServerSession, Path, Map, Throwable)
- */
- default void creating(ServerSession session, Path path, Map<String, ?> attrs)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>after</U> creating a directory
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param path Directory {@link Path} to be created
- * @param attrs Requested associated attributes to set
- * @param thrown If not-{@code null} then the reason for the failure to execute
- * @throws IOException If failed to handle the call
- */
- default void created(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>prior</U> to renaming a file / directory
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param srcPath The source {@link Path}
- * @param dstPath The target {@link Path}
- * @param opts The resolved renaming options
- * @throws IOException If failed to handle the call
- * @see #moved(ServerSession, Path, Path, Collection, Throwable)
- */
- default void moving(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>after</U> renaming a file / directory
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param srcPath The source {@link Path}
- * @param dstPath The target {@link Path}
- * @param opts The resolved renaming options
- * @param thrown If not-{@code null} then the reason for the failure to execute
- * @throws IOException If failed to handle the call
- */
- default void moved(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts, Throwable thrown)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>prior</U> to removing a file / directory
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param path The {@link Path} about to be removed
- * @throws IOException If failed to handle the call
- * @see #removed(ServerSession, Path, Throwable)
- */
- default void removing(ServerSession session, Path path) throws IOException {
- // ignored
- }
-
- /**
- * Called <U>after</U> a file / directory has been removed
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param path The {@link Path} to be removed
- * @param thrown If not-{@code null} then the reason for the failure to execute
- * @throws IOException If failed to handle the call
- */
- default void removed(ServerSession session, Path path, Throwable thrown) throws IOException {
- // ignored
- }
-
- /**
- * Called <U>prior</U> to creating a link
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param source The source {@link Path}
- * @param target The target {@link Path}
- * @param symLink {@code true} = symbolic link
- * @throws IOException If failed to handle the call
- * @see #linked(ServerSession, Path, Path, boolean, Throwable)
- */
- default void linking(ServerSession session, Path source, Path target, boolean symLink)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>after</U> creating a link
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param source The source {@link Path}
- * @param target The target {@link Path}
- * @param symLink {@code true} = symbolic link
- * @param thrown If not-{@code null} then the reason for the failure to execute
- * @throws IOException If failed to handle the call
- */
- default void linked(ServerSession session, Path source, Path target, boolean symLink, Throwable thrown)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>prior</U> to modifying the attributes of a file / directory
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param path The file / directory {@link Path} to be modified
- * @param attrs The attributes {@link Map} - names and values depend on the
- * O/S, view, type, etc...
- * @throws IOException If failed to handle the call
- * @see #modifiedAttributes(ServerSession, Path, Map, Throwable)
- */
- default void modifyingAttributes(ServerSession session, Path path, Map<String, ?> attrs)
- throws IOException {
- // ignored
- }
-
- /**
- * Called <U>after</U> modifying the attributes of a file / directory
- *
- * @param session The {@link ServerSession} through which the request was handled
- * @param path The file / directory {@link Path} to be modified
- * @param attrs The attributes {@link Map} - names and values depend on the
- * O/S, view, type, etc...
- * @param thrown If not-{@code null} then the reason for the failure to execute
- * @throws IOException If failed to handle the call
- */
- default void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown)
- throws IOException {
- // ignored
- }
-
- static <L extends SftpEventListener> L validateListener(L listener) {
- return SshdEventListener.validateListener(listener, SftpEventListener.class.getSimpleName());
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListenerManager.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListenerManager.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListenerManager.java
deleted file mode 100644
index 3f91033..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListenerManager.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpEventListenerManager {
- /**
- * @return An instance representing <U>all</U> the currently
- * registered listeners. Any method invocation is <U>replicated</U>
- * to the actually registered listeners
- */
- SftpEventListener getSftpEventListenerProxy();
-
- /**
- * Register a listener instance
- *
- * @param listener The {@link SftpEventListener} instance to add - never {@code null}
- * @return {@code true} if listener is a previously un-registered one
- */
- boolean addSftpEventListener(SftpEventListener listener);
-
- /**
- * Remove a listener instance
- *
- * @param listener The {@link SftpEventListener} instance to remove - never {@code null}
- * @return {@code true} if listener is a (removed) registered one
- */
- boolean removeSftpEventListener(SftpEventListener listener);
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessor.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessor.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessor.java
deleted file mode 100644
index 86aa670..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessor.java
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.io.IOException;
-import java.io.StreamCorruptedException;
-import java.nio.channels.Channel;
-import java.nio.channels.FileChannel;
-import java.nio.channels.FileLock;
-import java.nio.channels.SeekableByteChannel;
-import java.nio.file.DirectoryStream;
-import java.nio.file.Files;
-import java.nio.file.OpenOption;
-import java.nio.file.Path;
-import java.nio.file.attribute.FileAttribute;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.io.FileInfoExtractor;
-import org.apache.sshd.server.session.ServerSession;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpFileSystemAccessor {
- List<String> DEFAULT_UNIX_VIEW = Collections.singletonList("unix:*");
-
- /**
- * A {@link Map} of {@link FileInfoExtractor}s to be used to complete
- * attributes that are deemed important enough to warrant an extra
- * effort if not accessible via the file system attributes views
- */
- Map<String, FileInfoExtractor<?>> FILEATTRS_RESOLVERS =
- GenericUtils.<String, FileInfoExtractor<?>>mapBuilder(String.CASE_INSENSITIVE_ORDER)
- .put("isRegularFile", FileInfoExtractor.ISREG)
- .put("isDirectory", FileInfoExtractor.ISDIR)
- .put("isSymbolicLink", FileInfoExtractor.ISSYMLINK)
- .put("permissions", FileInfoExtractor.PERMISSIONS)
- .put("size", FileInfoExtractor.SIZE)
- .put("lastModifiedTime", FileInfoExtractor.LASTMODIFIED)
- .immutable();
-
- SftpFileSystemAccessor DEFAULT = new SftpFileSystemAccessor() {
- @Override
- public String toString() {
- return SftpFileSystemAccessor.class.getSimpleName() + "[DEFAULT]";
- }
- };
-
- /**
- * Called whenever a new file is opened
- *
- * @param session The {@link ServerSession} through which the request was received
- * @param subsystem The SFTP subsystem instance that manages the session
- * @param file The requested <U>local</U> file {@link Path}
- * @param handle The assigned file handle through which the remote peer references this file.
- * May be {@code null}/empty if the request is due to some internal functionality
- * instead of due to peer requesting a handle to a file.
- * @param options The requested {@link OpenOption}s
- * @param attrs The requested {@link FileAttribute}s
- * @return The opened {@link SeekableByteChannel}
- * @throws IOException If failed to open
- */
- default SeekableByteChannel openFile(
- ServerSession session, SftpEventListenerManager subsystem,
- Path file, String handle, Set<? extends OpenOption> options, FileAttribute<?>... attrs)
- throws IOException {
- return FileChannel.open(file, options, attrs);
- }
-
- /**
- * Called when locking a section of a file is requested
- *
- * @param session The {@link ServerSession} through which the request was received
- * @param subsystem The SFTP subsystem instance that manages the session
- * @param file The requested <U>local</U> file {@link Path}
- * @param handle The assigned file handle through which the remote peer references this file
- * @param channel The original {@link Channel} that was returned by {@link #openFile(ServerSession, SftpEventListenerManager, Path, String, Set, FileAttribute...)}
- * @param position The position at which the locked region is to start - must be non-negative
- * @param size The size of the locked region; must be non-negative, and the sum
- * <tt>position</tt> + <tt>size</tt> must be non-negative
- * @param shared {@code true} to request a shared lock, {@code false} to request an exclusive lock
- * @return A lock object representing the newly-acquired lock, or {@code null}
- * if the lock could not be acquired because another program holds an overlapping lock
- * @throws IOException If failed to honor the request
- * @see FileChannel#tryLock(long, long, boolean)
- */
- default FileLock tryLock(ServerSession session, SftpEventListenerManager subsystem,
- Path file, String handle, Channel channel, long position, long size, boolean shared)
- throws IOException {
- if (!(channel instanceof FileChannel)) {
- throw new StreamCorruptedException("Non file channel to lock: " + channel);
- }
-
- return ((FileChannel) channel).lock(position, size, shared);
- }
-
- /**
- * Called when file meta-data re-synchronization is required
- *
- * @param session The {@link ServerSession} through which the request was received
- * @param subsystem The SFTP subsystem instance that manages the session
- * @param file The requested <U>local</U> file {@link Path}
- * @param handle The assigned file handle through which the remote peer references this file
- * @param channel The original {@link Channel} that was returned by {@link #openFile(ServerSession, SftpEventListenerManager, Path, String, Set, FileAttribute...)}
- * @throws IOException If failed to execute the request
- * @see FileChannel#force(boolean)
- * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 10</A>
- */
- default void syncFileData(ServerSession session, SftpEventListenerManager subsystem,
- Path file, String handle, Channel channel)
- throws IOException {
- if (!(channel instanceof FileChannel)) {
- throw new StreamCorruptedException("Non file channel to sync: " + channel);
- }
-
- ((FileChannel) channel).force(true);
- }
-
- /**
- * Called when a new directory stream is requested
- *
- * @param session The {@link ServerSession} through which the request was received
- * @param subsystem The SFTP subsystem instance that manages the session
- * @param dir The requested <U>local</U> directory
- * @param handle The assigned directory handle through which the remote peer references this directory
- * @return The opened {@link DirectoryStream}
- * @throws IOException If failed to open
- */
- default DirectoryStream<Path> openDirectory(
- ServerSession session, SftpEventListenerManager subsystem, Path dir, String handle)
- throws IOException {
- return Files.newDirectoryStream(dir);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessorManager.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessorManager.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessorManager.java
deleted file mode 100644
index 616f9ce..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessorManager.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpFileSystemAccessorManager {
- SftpFileSystemAccessor getFileSystemAccessor();
-
- void setFileSystemAccessor(SftpFileSystemAccessor accessor);
-}
[15/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClient.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClient.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClient.java
new file mode 100644
index 0000000..43cc619
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClient.java
@@ -0,0 +1,1038 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.channels.Channel;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.OpenOption;
+import java.nio.file.StandardOpenOption;
+import java.nio.file.attribute.AclEntry;
+import java.nio.file.attribute.FileTime;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Map;
+import java.util.NavigableMap;
+import java.util.Objects;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.apache.sshd.client.subsystem.SubsystemClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpHelper;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+
+/**
+ * @author <a href="http://mina.apache.org">Apache MINA Project</a>
+ */
+public interface SftpClient extends SubsystemClient {
+ /**
+ * Used to indicate the {@link Charset} (or its name) for decoding
+ * referenced files/folders names - extracted from the client session
+ * when 1st initialized.
+ * @see #DEFAULT_NAME_DECODING_CHARSET
+ * @see #getNameDecodingCharset()
+ * @see #setNameDecodingCharset(Charset)
+ */
+ String NAME_DECODING_CHARSET = "sftp-name-decoding-charset";
+
+ /**
+ * Default value of {@value #NAME_DECODING_CHARSET}
+ */
+ Charset DEFAULT_NAME_DECODING_CHARSET = StandardCharsets.UTF_8;
+
+ enum OpenMode {
+ Read,
+ Write,
+ Append,
+ Create,
+ Truncate,
+ Exclusive;
+
+ /**
+ * The {@link Set} of {@link OpenOption}-s supported by {@link #fromOpenOptions(Collection)}
+ */
+ public static final Set<OpenOption> SUPPORTED_OPTIONS =
+ Collections.unmodifiableSet(
+ EnumSet.of(
+ StandardOpenOption.READ, StandardOpenOption.APPEND,
+ StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING,
+ StandardOpenOption.WRITE, StandardOpenOption.CREATE_NEW,
+ StandardOpenOption.SPARSE));
+
+ /**
+ * Converts {@link StandardOpenOption}-s into {@link OpenMode}-s
+ *
+ * @param options The original options - ignored if {@code null}/empty
+ * @return A {@link Set} of the equivalent modes
+ * @throws IllegalArgumentException If an unsupported option is requested
+ * @see #SUPPORTED_OPTIONS
+ */
+ public static Set<OpenMode> fromOpenOptions(Collection<? extends OpenOption> options) {
+ if (GenericUtils.isEmpty(options)) {
+ return Collections.emptySet();
+ }
+
+ Set<OpenMode> modes = EnumSet.noneOf(OpenMode.class);
+ for (OpenOption option : options) {
+ if (option == StandardOpenOption.READ) {
+ modes.add(Read);
+ } else if (option == StandardOpenOption.APPEND) {
+ modes.add(Append);
+ } else if (option == StandardOpenOption.CREATE) {
+ modes.add(Create);
+ } else if (option == StandardOpenOption.TRUNCATE_EXISTING) {
+ modes.add(Truncate);
+ } else if (option == StandardOpenOption.WRITE) {
+ modes.add(Write);
+ } else if (option == StandardOpenOption.CREATE_NEW) {
+ modes.add(Create);
+ modes.add(Exclusive);
+ } else if (option == StandardOpenOption.SPARSE) {
+ /*
+ * As per the Javadoc:
+ *
+ * The option is ignored when the file system does not
+ * support the creation of sparse files
+ */
+ continue;
+ } else {
+ throw new IllegalArgumentException("Unsupported open option: " + option);
+ }
+ }
+
+ return modes;
+ }
+ }
+
+ enum CopyMode {
+ Atomic,
+ Overwrite
+ }
+
+ enum Attribute {
+ Size,
+ UidGid,
+ Perms,
+ OwnerGroup,
+ AccessTime,
+ ModifyTime,
+ CreateTime,
+ Acl,
+ Extensions
+ }
+
+ class Handle {
+ private final String path;
+ private final byte[] id;
+
+ Handle(String path, byte[] id) {
+ // clone the original so the handle is immutable
+ this.path = ValidateUtils.checkNotNullAndNotEmpty(path, "No remote path");
+ this.id = ValidateUtils.checkNotNullAndNotEmpty(id, "No handle ID").clone();
+ }
+
+ /**
+ * @return The remote path represented by this handle
+ */
+ public String getPath() {
+ return path;
+ }
+
+ public int length() {
+ return id.length;
+ }
+
+ /**
+ * @return A <U>cloned</U> instance of the identifier in order to
+ * avoid inadvertent modifications to the handle contents
+ */
+ public byte[] getIdentifier() {
+ return id.clone();
+ }
+
+ @Override
+ public int hashCode() {
+ return Arrays.hashCode(id);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+
+ if (obj == this) {
+ return true;
+ }
+
+ // we do not ask getClass() == obj.getClass() in order to allow for derived classes equality
+ if (!(obj instanceof Handle)) {
+ return false;
+ }
+
+ return Arrays.equals(id, ((Handle) obj).id);
+ }
+
+ @Override
+ public String toString() {
+ return getPath() + ": " + BufferUtils.toHex(BufferUtils.EMPTY_HEX_SEPARATOR, id);
+ }
+ }
+
+ // CHECKSTYLE:OFF
+ abstract class CloseableHandle extends Handle implements Channel, Closeable {
+ protected CloseableHandle(String path, byte[] id) {
+ super(path, id);
+ }
+ }
+ // CHECKSTYLE:ON
+
+ class Attributes {
+ private Set<Attribute> flags = EnumSet.noneOf(Attribute.class);
+ private int type = SftpConstants.SSH_FILEXFER_TYPE_UNKNOWN;
+ private int perms;
+ private int uid;
+ private int gid;
+ private String owner;
+ private String group;
+ private long size;
+ private FileTime accessTime;
+ private FileTime createTime;
+ private FileTime modifyTime;
+ private List<AclEntry> acl;
+ private Map<String, byte[]> extensions = Collections.emptyMap();
+
+ public Attributes() {
+ super();
+ }
+
+ public Set<Attribute> getFlags() {
+ return flags;
+ }
+
+ public Attributes addFlag(Attribute flag) {
+ flags.add(flag);
+ return this;
+ }
+
+ public Attributes removeFlag(Attribute flag) {
+ flags.remove(flag);
+ return this;
+ }
+
+ public int getType() {
+ return type;
+ }
+
+ public void setType(int type) {
+ this.type = type;
+ }
+
+ public long getSize() {
+ return size;
+ }
+
+ public Attributes size(long size) {
+ setSize(size);
+ return this;
+ }
+
+ public void setSize(long size) {
+ this.size = size;
+ addFlag(Attribute.Size);
+ }
+
+ public String getOwner() {
+ return owner;
+ }
+
+ public Attributes owner(String owner) {
+ setOwner(owner);
+ return this;
+ }
+
+ public void setOwner(String owner) {
+ this.owner = owner;
+ /*
+ * According to https://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-13.txt
+ * section 7.5
+ *
+ * If either the owner or group field is zero length, the field
+ * should be considered absent, and no change should be made to
+ * that specific field during a modification operation.
+ */
+ if (GenericUtils.isEmpty(owner)) {
+ removeFlag(Attribute.OwnerGroup);
+ } else {
+ addFlag(Attribute.OwnerGroup);
+ }
+ }
+
+ public String getGroup() {
+ return group;
+ }
+
+ public Attributes group(String group) {
+ setGroup(group);
+ return this;
+ }
+
+ public void setGroup(String group) {
+ this.group = group;
+ /*
+ * According to https://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-13.txt
+ * section 7.5
+ *
+ * If either the owner or group field is zero length, the field
+ * should be considered absent, and no change should be made to
+ * that specific field during a modification operation.
+ */
+ if (GenericUtils.isEmpty(group)) {
+ removeFlag(Attribute.OwnerGroup);
+ } else {
+ addFlag(Attribute.OwnerGroup);
+ }
+ }
+
+ public int getUserId() {
+ return uid;
+ }
+
+ public int getGroupId() {
+ return gid;
+ }
+
+ public Attributes owner(int uid, int gid) {
+ this.uid = uid;
+ this.gid = gid;
+ addFlag(Attribute.UidGid);
+ return this;
+ }
+
+ public int getPermissions() {
+ return perms;
+ }
+
+ public Attributes perms(int perms) {
+ setPermissions(perms);
+ return this;
+ }
+
+ public void setPermissions(int perms) {
+ this.perms = perms;
+ addFlag(Attribute.Perms);
+ }
+
+ public FileTime getAccessTime() {
+ return accessTime;
+ }
+
+ public Attributes accessTime(long atime) {
+ return accessTime(atime, TimeUnit.SECONDS);
+ }
+
+ public Attributes accessTime(long atime, TimeUnit unit) {
+ return accessTime(FileTime.from(atime, unit));
+ }
+
+ public Attributes accessTime(FileTime atime) {
+ setAccessTime(atime);
+ return this;
+ }
+
+ public void setAccessTime(FileTime atime) {
+ accessTime = Objects.requireNonNull(atime, "No access time");
+ addFlag(Attribute.AccessTime);
+ }
+
+ public FileTime getCreateTime() {
+ return createTime;
+ }
+
+ public Attributes createTime(long ctime) {
+ return createTime(ctime, TimeUnit.SECONDS);
+ }
+
+ public Attributes createTime(long ctime, TimeUnit unit) {
+ return createTime(FileTime.from(ctime, unit));
+ }
+
+ public Attributes createTime(FileTime ctime) {
+ setCreateTime(ctime);
+ return this;
+ }
+
+ public void setCreateTime(FileTime ctime) {
+ createTime = Objects.requireNonNull(ctime, "No create time");
+ addFlag(Attribute.CreateTime);
+ }
+
+ public FileTime getModifyTime() {
+ return modifyTime;
+ }
+
+ public Attributes modifyTime(long mtime) {
+ return modifyTime(mtime, TimeUnit.SECONDS);
+ }
+
+ public Attributes modifyTime(long mtime, TimeUnit unit) {
+ return modifyTime(FileTime.from(mtime, unit));
+ }
+
+ public Attributes modifyTime(FileTime mtime) {
+ setModifyTime(mtime);
+ return this;
+ }
+
+ public void setModifyTime(FileTime mtime) {
+ modifyTime = Objects.requireNonNull(mtime, "No modify time");
+ addFlag(Attribute.ModifyTime);
+ }
+
+ public List<AclEntry> getAcl() {
+ return acl;
+ }
+
+ public Attributes acl(List<AclEntry> acl) {
+ setAcl(acl);
+ return this;
+ }
+
+ public void setAcl(List<AclEntry> acl) {
+ this.acl = Objects.requireNonNull(acl, "No ACLs");
+ addFlag(Attribute.Acl);
+ }
+
+ public Map<String, byte[]> getExtensions() {
+ return extensions;
+ }
+
+ public Attributes extensions(Map<String, byte[]> extensions) {
+ setExtensions(extensions);
+ return this;
+ }
+
+ public void setStringExtensions(Map<String, String> extensions) {
+ setExtensions(SftpHelper.toBinaryExtensions(extensions));
+ }
+
+ public void setExtensions(Map<String, byte[]> extensions) {
+ this.extensions = Objects.requireNonNull(extensions, "No extensions");
+ addFlag(Attribute.Extensions);
+ }
+
+ public boolean isRegularFile() {
+ return (getPermissions() & SftpConstants.S_IFMT) == SftpConstants.S_IFREG;
+ }
+
+ public boolean isDirectory() {
+ return (getPermissions() & SftpConstants.S_IFMT) == SftpConstants.S_IFDIR;
+ }
+
+ public boolean isSymbolicLink() {
+ return (getPermissions() & SftpConstants.S_IFMT) == SftpConstants.S_IFLNK;
+ }
+
+ public boolean isOther() {
+ return !isRegularFile() && !isDirectory() && !isSymbolicLink();
+ }
+
+ @Override
+ public String toString() {
+ return "type=" + getType()
+ + ";size=" + getSize()
+ + ";uid=" + getUserId()
+ + ";gid=" + getGroupId()
+ + ";perms=0x" + Integer.toHexString(getPermissions())
+ + ";flags=" + getFlags()
+ + ";owner=" + getOwner()
+ + ";group=" + getGroup()
+ + ";aTime=" + getAccessTime()
+ + ";cTime=" + getCreateTime()
+ + ";mTime=" + getModifyTime()
+ + ";extensions=" + getExtensions().keySet();
+ }
+ }
+
+ class DirEntry {
+ public static final Comparator<DirEntry> BY_CASE_SENSITIVE_FILENAME = new Comparator<DirEntry>() {
+ @Override
+ public int compare(DirEntry o1, DirEntry o2) {
+ if (o1 == o2) {
+ return 0;
+ } else if (o1 == null) {
+ return 1;
+ } else if (o2 == null) {
+ return -1;
+ } else {
+ return GenericUtils.safeCompare(o1.getFilename(), o2.getFilename(), true);
+ }
+ }
+ };
+
+ public static final Comparator<DirEntry> BY_CASE_INSENSITIVE_FILENAME = new Comparator<DirEntry>() {
+ @Override
+ public int compare(DirEntry o1, DirEntry o2) {
+ if (o1 == o2) {
+ return 0;
+ } else if (o1 == null) {
+ return 1;
+ } else if (o2 == null) {
+ return -1;
+ } else {
+ return GenericUtils.safeCompare(o1.getFilename(), o2.getFilename(), false);
+ }
+ }
+ };
+
+ private final String filename;
+ private final String longFilename;
+ private final Attributes attributes;
+
+ public DirEntry(String filename, String longFilename, Attributes attributes) {
+ this.filename = filename;
+ this.longFilename = longFilename;
+ this.attributes = attributes;
+ }
+
+ public String getFilename() {
+ return filename;
+ }
+
+ public String getLongFilename() {
+ return longFilename;
+ }
+
+ public Attributes getAttributes() {
+ return attributes;
+ }
+
+ @Override
+ public String toString() {
+ return getFilename() + "[" + getLongFilename() + "]: " + getAttributes();
+ }
+ }
+
+ DirEntry[] EMPTY_DIR_ENTRIES = new DirEntry[0];
+
+ // default values used if none specified
+ int MIN_BUFFER_SIZE = Byte.MAX_VALUE;
+ int MIN_READ_BUFFER_SIZE = MIN_BUFFER_SIZE;
+ int MIN_WRITE_BUFFER_SIZE = MIN_BUFFER_SIZE;
+ int IO_BUFFER_SIZE = 32 * 1024;
+ int DEFAULT_READ_BUFFER_SIZE = IO_BUFFER_SIZE;
+ int DEFAULT_WRITE_BUFFER_SIZE = IO_BUFFER_SIZE;
+ long DEFAULT_WAIT_TIMEOUT = TimeUnit.SECONDS.toMillis(15L);
+
+ /**
+ * Property that can be used on the {@link org.apache.sshd.common.FactoryManager}
+ * to control the internal timeout used by the client to open a channel.
+ * If not specified then {@link #DEFAULT_CHANNEL_OPEN_TIMEOUT} value
+ * is used
+ */
+ String SFTP_CHANNEL_OPEN_TIMEOUT = "sftp-channel-open-timeout";
+ long DEFAULT_CHANNEL_OPEN_TIMEOUT = DEFAULT_WAIT_TIMEOUT;
+
+ /**
+ * Default modes for opening a channel if no specific modes specified
+ */
+ Set<OpenMode> DEFAULT_CHANNEL_MODES =
+ Collections.unmodifiableSet(EnumSet.of(OpenMode.Read, OpenMode.Write));
+
+ /**
+ * @return The negotiated SFTP protocol version
+ */
+ int getVersion();
+
+ @Override
+ default String getName() {
+ return SftpConstants.SFTP_SUBSYSTEM_NAME;
+ }
+
+ /**
+ * @return The (never {@code null}) {@link Charset} used to decode referenced files/folders names
+ * @see #NAME_DECODING_CHARSET
+ */
+ Charset getNameDecodingCharset();
+
+ void setNameDecodingCharset(Charset cs);
+
+ /**
+ * @return An (unmodifiable) {@link NavigableMap} of the reported server extensions.
+ * where key=extension name (case <U>insensitive</U>)
+ */
+ NavigableMap<String, byte[]> getServerExtensions();
+
+ boolean isClosing();
+
+ //
+ // Low level API
+ //
+
+ /**
+ * Opens a remote file for read
+ *
+ * @param path The remote path
+ * @return The file's {@link CloseableHandle}
+ * @throws IOException If failed to open the remote file
+ * @see #open(String, Collection)
+ */
+ default CloseableHandle open(String path) throws IOException {
+ return open(path, Collections.emptySet());
+ }
+
+ /**
+ * Opens a remote file with the specified mode(s)
+ *
+ * @param path The remote path
+ * @param options The desired mode - if none specified
+ * then {@link OpenMode#Read} is assumed
+ * @return The file's {@link CloseableHandle}
+ * @throws IOException If failed to open the remote file
+ * @see #open(String, Collection)
+ */
+ default CloseableHandle open(String path, OpenMode... options) throws IOException {
+ return open(path, GenericUtils.of(options));
+ }
+
+ /**
+ * Opens a remote file with the specified mode(s)
+ *
+ * @param path The remote path
+ * @param options The desired mode - if none specified
+ * then {@link OpenMode#Read} is assumed
+ * @return The file's {@link CloseableHandle}
+ * @throws IOException If failed to open the remote file
+ */
+ CloseableHandle open(String path, Collection<OpenMode> options) throws IOException;
+
+ /**
+ * Close the handle obtained from one of the {@code open} methods
+ *
+ * @param handle The {@code Handle} to close
+ * @throws IOException If failed to execute
+ */
+ void close(Handle handle) throws IOException;
+
+ /**
+ * @param path The remote path to remove
+ * @throws IOException If failed to execute
+ */
+ void remove(String path) throws IOException;
+
+ default void rename(String oldPath, String newPath) throws IOException {
+ rename(oldPath, newPath, Collections.emptySet());
+ }
+
+ default void rename(String oldPath, String newPath, CopyMode... options) throws IOException {
+ rename(oldPath, newPath, GenericUtils.of(options));
+ }
+
+ void rename(String oldPath, String newPath, Collection<CopyMode> options) throws IOException;
+
+ /**
+ * Reads data from the open (file) handle
+ *
+ * @param handle The file {@link Handle} to read from
+ * @param fileOffset The file offset to read from
+ * @param dst The destination buffer
+ * @return Number of read bytes - {@code -1} if EOF reached
+ * @throws IOException If failed to read the data
+ * @see #read(Handle, long, byte[], int, int)
+ */
+ default int read(Handle handle, long fileOffset, byte[] dst) throws IOException {
+ return read(handle, fileOffset, dst, null);
+ }
+
+ /**
+ * Reads data from the open (file) handle
+ *
+ * @param handle The file {@link Handle} to read from
+ * @param fileOffset The file offset to read from
+ * @param dst The destination buffer
+ * @param eofSignalled If not {@code null} then upon return holds a value indicating
+ * whether EOF was reached due to the read. If {@code null} indicator
+ * value then this indication is not available
+ * @return Number of read bytes - {@code -1} if EOF reached
+ * @throws IOException If failed to read the data
+ * @see #read(Handle, long, byte[], int, int, AtomicReference)
+ * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.3">SFTP v6 - section 9.3</A>
+ */
+ default int read(Handle handle, long fileOffset, byte[] dst, AtomicReference<Boolean> eofSignalled) throws IOException {
+ return read(handle, fileOffset, dst, 0, dst.length, eofSignalled);
+ }
+
+ default int read(Handle handle, long fileOffset, byte[] dst, int dstOffset, int len) throws IOException {
+ return read(handle, fileOffset, dst, dstOffset, len, null);
+ }
+
+ /**
+ * Reads data from the open (file) handle
+ *
+ * @param handle The file {@link Handle} to read from
+ * @param fileOffset The file offset to read from
+ * @param dst The destination buffer
+ * @param dstOffset Offset in destination buffer to place the read data
+ * @param len Available destination buffer size to read
+ * @param eofSignalled If not {@code null} then upon return holds a value indicating
+ * whether EOF was reached due to the read. If {@code null} indicator
+ * value then this indication is not available
+ * @return Number of read bytes - {@code -1} if EOF reached
+ * @throws IOException If failed to read the data
+ * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.3">SFTP v6 - section 9.3</A>
+ */
+ int read(Handle handle, long fileOffset, byte[] dst, int dstOffset, int len, AtomicReference<Boolean> eofSignalled) throws IOException;
+
+ default void write(Handle handle, long fileOffset, byte[] src) throws IOException {
+ write(handle, fileOffset, src, 0, src.length);
+ }
+
+ /**
+ * Write data to (open) file handle
+ *
+ * @param handle The file {@link Handle}
+ * @param fileOffset Zero-based offset to write in file
+ * @param src Data buffer
+ * @param srcOffset Offset of valid data in buffer
+ * @param len Number of bytes to write
+ * @throws IOException If failed to write the data
+ */
+ void write(Handle handle, long fileOffset, byte[] src, int srcOffset, int len) throws IOException;
+
+ /**
+ * Create remote directory
+ *
+ * @param path Remote directory path
+ * @throws IOException If failed to execute
+ */
+ void mkdir(String path) throws IOException;
+
+ /**
+ * Remove remote directory
+ *
+ * @param path Remote directory path
+ * @throws IOException If failed to execute
+ */
+ void rmdir(String path) throws IOException;
+
+ /**
+ * Obtain a handle for a directory
+ *
+ * @param path Remote directory path
+ * @return The associated directory {@link Handle}
+ * @throws IOException If failed to execute
+ */
+ CloseableHandle openDir(String path) throws IOException;
+
+ /**
+ * @param handle Directory {@link Handle} to read from
+ * @return A {@link List} of entries - {@code null} to indicate no more entries
+ * <B>Note:</B> the list may be <U>incomplete</U> since the client and
+ * server have some internal imposed limit on the number of entries they
+ * can process. Therefore several calls to this method may be required
+ * (until {@code null}). In order to iterate over all the entries use
+ * {@link #readDir(String)}
+ * @throws IOException If failed to access the remote site
+ */
+ default List<DirEntry> readDir(Handle handle) throws IOException {
+ return readDir(handle, null);
+ }
+
+ /**
+ * @param handle Directory {@link Handle} to read from
+ * @return A {@link List} of entries - {@code null} to indicate no more entries
+ * @param eolIndicator An indicator that can be used to get information
+ * whether end of list has been reached - ignored if {@code null}. Upon
+ * return, set value indicates whether all entries have been exhausted - a {@code null}
+ * value means that this information cannot be provided and another call to
+ * {@code readDir} is necessary in order to verify that no more entries are pending
+ * @throws IOException If failed to access the remote site
+ * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4">SFTP v6 - section 9.4</A>
+ */
+ List<DirEntry> readDir(Handle handle, AtomicReference<Boolean> eolIndicator) throws IOException;
+
+ /**
+ * @param handle A directory {@link Handle}
+ * @return An {@link Iterable} that can be used to iterate over all the
+ * directory entries (like {@link #readDir(String)}). <B>Note:</B> the
+ * iterable instance is not re-usable - i.e., files can be iterated
+ * only <U>once</U>
+ * @throws IOException If failed to access the directory
+ */
+ default Iterable<DirEntry> listDir(Handle handle) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("listDir(" + handle + ") client is closed");
+ }
+
+ return new StfpIterableDirHandle(this, handle);
+ }
+
+ /**
+ * The effective "normalized" remote path
+ *
+ * @param path The requested path - may be relative, and/or contain
+ * dots - e.g., ".", "..", "./foo", "../bar"
+ *
+ * @return The effective "normalized" remote path
+ * @throws IOException If failed to execute
+ */
+ String canonicalPath(String path) throws IOException;
+
+ /**
+ * Retrieve remote path meta-data - follow symbolic links if encountered
+ *
+ * @param path The remote path
+ * @return The associated {@link Attributes}
+ * @throws IOException If failed to execute
+ */
+ Attributes stat(String path) throws IOException;
+
+ /**
+ * Retrieve remote path meta-data - do <B>not</B> follow symbolic links
+ *
+ * @param path The remote path
+ * @return The associated {@link Attributes}
+ * @throws IOException If failed to execute
+ */
+ Attributes lstat(String path) throws IOException;
+
+ /**
+ * Retrieve file/directory handle meta-data
+ *
+ * @param handle The {@link Handle} obtained via one of the {@code open} calls
+ * @return The associated {@link Attributes}
+ * @throws IOException If failed to execute
+ */
+ Attributes stat(Handle handle) throws IOException;
+
+ /**
+ * Update remote node meta-data
+ *
+ * @param path The remote path
+ * @param attributes The {@link Attributes} to update
+ * @throws IOException If failed to execute
+ */
+ void setStat(String path, Attributes attributes) throws IOException;
+
+ /**
+ * Update remote node meta-data
+ *
+ * @param handle The {@link Handle} obtained via one of the {@code open} calls
+ * @param attributes The {@link Attributes} to update
+ * @throws IOException If failed to execute
+ */
+ void setStat(Handle handle, Attributes attributes) throws IOException;
+
+ /**
+ * Retrieve target of a link
+ *
+ * @param path Remote path that represents a link
+ * @return The link target
+ * @throws IOException If failed to execute
+ */
+ String readLink(String path) throws IOException;
+
+ /**
+ * Create symbolic link
+ *
+ * @param linkPath The link location
+ * @param targetPath The referenced target by the link
+ * @throws IOException If failed to execute
+ * @see #link(String, String, boolean)
+ */
+ default void symLink(String linkPath, String targetPath) throws IOException {
+ link(linkPath, targetPath, true);
+ }
+
+ /**
+ * Create a link
+ *
+ * @param linkPath The link location
+ * @param targetPath The referenced target by the link
+ * @param symbolic If {@code true} then make this a symbolic link, otherwise a hard one
+ * @throws IOException If failed to execute
+ */
+ void link(String linkPath, String targetPath, boolean symbolic) throws IOException;
+
+ // see SSH_FXP_BLOCK / SSH_FXP_UNBLOCK for byte range locks
+ void lock(Handle handle, long offset, long length, int mask) throws IOException;
+
+ void unlock(Handle handle, long offset, long length) throws IOException;
+
+ //
+ // High level API
+ //
+
+ default SftpRemotePathChannel openRemotePathChannel(String path, OpenOption... options) throws IOException {
+ return openRemotePathChannel(path, GenericUtils.isEmpty(options) ? Collections.emptyList() : Arrays.asList(options));
+ }
+
+ default SftpRemotePathChannel openRemotePathChannel(String path, Collection<? extends OpenOption> options) throws IOException {
+ return openRemoteFileChannel(path, OpenMode.fromOpenOptions(options));
+ }
+
+ default SftpRemotePathChannel openRemoteFileChannel(String path, OpenMode... modes) throws IOException {
+ return openRemoteFileChannel(path, GenericUtils.isEmpty(modes) ? Collections.emptyList() : Arrays.asList(modes));
+ }
+
+ /**
+ * Opens an {@link SftpRemotePathChannel} on the specified remote path
+ *
+ * @param path The remote path
+ * @param modes The access mode(s) - if {@code null}/empty then the {@link #DEFAULT_CHANNEL_MODES} are used
+ * @return The open {@link SftpRemotePathChannel} - <B>Note:</B> do not close this
+ * owner client instance until the channel is no longer needed since it uses the client
+ * for providing the channel's functionality.
+ * @throws IOException If failed to open the channel
+ * @see java.nio.channels.Channels#newInputStream(java.nio.channels.ReadableByteChannel)
+ * @see java.nio.channels.Channels#newOutputStream(java.nio.channels.WritableByteChannel)
+ */
+ default SftpRemotePathChannel openRemoteFileChannel(String path, Collection<OpenMode> modes) throws IOException {
+ return new SftpRemotePathChannel(path, this, false, GenericUtils.isEmpty(modes) ? DEFAULT_CHANNEL_MODES : modes);
+ }
+
+ /**
+ * @param path The remote directory path
+ * @return An {@link Iterable} that can be used to iterate over all the
+ * directory entries (unlike {@link #readDir(Handle)})
+ * @throws IOException If failed to access the remote site
+ * @see #readDir(Handle)
+ */
+ default Iterable<DirEntry> readDir(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("readDir(" + path + ") client is closed");
+ }
+
+ return new SftpIterableDirEntry(this, path);
+ }
+
+ default InputStream read(String path) throws IOException {
+ return read(path, DEFAULT_READ_BUFFER_SIZE);
+ }
+
+ default InputStream read(String path, int bufferSize) throws IOException {
+ return read(path, bufferSize, EnumSet.of(OpenMode.Read));
+ }
+
+ default InputStream read(String path, OpenMode... mode) throws IOException {
+ return read(path, DEFAULT_READ_BUFFER_SIZE, mode);
+ }
+
+ default InputStream read(String path, int bufferSize, OpenMode... mode) throws IOException {
+ return read(path, bufferSize, GenericUtils.of(mode));
+ }
+
+ default InputStream read(String path, Collection<OpenMode> mode) throws IOException {
+ return read(path, DEFAULT_READ_BUFFER_SIZE, mode);
+ }
+
+ /**
+ * Read a remote file's data via an input stream
+ *
+ * @param path The remote file path
+ * @param bufferSize The internal read buffer size
+ * @param mode The remote file {@link OpenMode}s
+ * @return An {@link InputStream} for reading the remote file data
+ * @throws IOException If failed to execute
+ */
+ default InputStream read(String path, int bufferSize, Collection<OpenMode> mode) throws IOException {
+ if (bufferSize < MIN_READ_BUFFER_SIZE) {
+ throw new IllegalArgumentException("Insufficient read buffer size: " + bufferSize + ", min.=" + MIN_READ_BUFFER_SIZE);
+ }
+
+ if (!isOpen()) {
+ throw new IOException("read(" + path + ")[" + mode + "] size=" + bufferSize + ": client is closed");
+ }
+
+ return new SftpInputStreamWithChannel(this, bufferSize, path, mode);
+ }
+
+ default OutputStream write(String path) throws IOException {
+ return write(path, DEFAULT_WRITE_BUFFER_SIZE);
+ }
+
+ default OutputStream write(String path, int bufferSize) throws IOException {
+ return write(path, bufferSize, EnumSet.of(OpenMode.Write, OpenMode.Create, OpenMode.Truncate));
+ }
+
+ default OutputStream write(String path, OpenMode... mode) throws IOException {
+ return write(path, DEFAULT_WRITE_BUFFER_SIZE, mode);
+ }
+
+ default OutputStream write(String path, int bufferSize, OpenMode... mode) throws IOException {
+ return write(path, bufferSize, GenericUtils.of(mode));
+ }
+
+ default OutputStream write(String path, Collection<OpenMode> mode) throws IOException {
+ return write(path, DEFAULT_WRITE_BUFFER_SIZE, mode);
+ }
+
+ /**
+ * Write to a remote file via an output stream
+ *
+ * @param path The remote file path
+ * @param bufferSize The internal write buffer size
+ * @param mode The remote file {@link OpenMode}s
+ * @return An {@link OutputStream} for writing the data
+ * @throws IOException If failed to execute
+ */
+ default OutputStream write(String path, int bufferSize, Collection<OpenMode> mode) throws IOException {
+ if (bufferSize < MIN_WRITE_BUFFER_SIZE) {
+ throw new IllegalArgumentException("Insufficient write buffer size: " + bufferSize + ", min.=" + MIN_WRITE_BUFFER_SIZE);
+ }
+
+ if (!isOpen()) {
+ throw new IOException("write(" + path + ")[" + mode + "] size=" + bufferSize + ": client is closed");
+ }
+
+ return new SftpOutputStreamWithChannel(this, bufferSize, path, mode);
+ }
+
+ /**
+ * @param <E> The generic extension type
+ * @param extensionType The extension type
+ * @return The extension instance - <B>Note:</B> it is up to the caller
+ * to invoke {@link SftpClientExtension#isSupported()} - {@code null} if
+ * this extension type is not implemented by the client
+ * @see #getServerExtensions()
+ */
+ <E extends SftpClientExtension> E getExtension(Class<? extends E> extensionType);
+
+ /**
+ * @param extensionName The extension name
+ * @return The extension instance - <B>Note:</B> it is up to the caller
+ * to invoke {@link SftpClientExtension#isSupported()} - {@code null} if
+ * this extension type is not implemented by the client
+ * @see #getServerExtensions()
+ */
+ SftpClientExtension getExtension(String extensionName);
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactory.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactory.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactory.java
new file mode 100644
index 0000000..7f79b33
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactory.java
@@ -0,0 +1,100 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.FileSystem;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.impl.DefaultSftpClientFactory;
+
+/**
+ * TODO Add javadoc
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface SftpClientFactory {
+
+ static SftpClientFactory instance() {
+ return DefaultSftpClientFactory.INSTANCE;
+ }
+
+ /**
+ * Create an SFTP client from this session.
+ *
+ * @return The created {@link SftpClient}
+ * @throws IOException if failed to create the client
+ */
+ default SftpClient createSftpClient(ClientSession session) throws IOException {
+ return createSftpClient(session, SftpVersionSelector.CURRENT);
+ }
+
+ /**
+ * Creates an SFTP client using the specified version
+ *
+ * @param version The version to use - <B>Note:</B> if the specified
+ * version is not supported by the server then an exception
+ * will occur
+ * @return The created {@link SftpClient}
+ * @throws IOException If failed to create the client or use the specified version
+ */
+ default SftpClient createSftpClient(ClientSession session, int version) throws IOException {
+ return createSftpClient(session, SftpVersionSelector.fixedVersionSelector(version));
+ }
+
+ /**
+ * @param session The {@link ClientSession} to which the SFTP client should be attached
+ * @param selector The {@link SftpVersionSelector} to use in order to negotiate the SFTP version
+ * @return The created {@link SftpClient} instance
+ * @throws IOException If failed to create the client
+ */
+ SftpClient createSftpClient(ClientSession session, SftpVersionSelector selector) throws IOException;
+
+ default FileSystem createSftpFileSystem(ClientSession session) throws IOException {
+ return createSftpFileSystem(session, SftpVersionSelector.CURRENT);
+ }
+
+ default FileSystem createSftpFileSystem(ClientSession session, int version) throws IOException {
+ return createSftpFileSystem(session, SftpVersionSelector.fixedVersionSelector(version));
+ }
+
+ default FileSystem createSftpFileSystem(ClientSession session, SftpVersionSelector selector) throws IOException {
+ return createSftpFileSystem(session, selector, SftpClient.DEFAULT_READ_BUFFER_SIZE, SftpClient.DEFAULT_WRITE_BUFFER_SIZE);
+ }
+
+ default FileSystem createSftpFileSystem(ClientSession session, int version, int readBufferSize, int writeBufferSize) throws IOException {
+ return createSftpFileSystem(session, SftpVersionSelector.fixedVersionSelector(version), readBufferSize, writeBufferSize);
+ }
+
+ default FileSystem createSftpFileSystem(ClientSession session, int readBufferSize, int writeBufferSize) throws IOException {
+ return createSftpFileSystem(session, SftpVersionSelector.CURRENT, readBufferSize, writeBufferSize);
+ }
+
+ /**
+ * @param session The {@link ClientSession} to which the SFTP client backing the file system should be attached
+ * @param selector The {@link SftpVersionSelector} to use in order to negotiate the SFTP version
+ * @param readBufferSize Default I/O read buffer size
+ * @param writeBufferSize Default I/O write buffer size
+ * @return The created {@link FileSystem} instance
+ * @throws IOException If failed to create the instance
+ */
+ FileSystem createSftpFileSystem(
+ ClientSession session, SftpVersionSelector selector, int readBufferSize, int writeBufferSize)
+ throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpCommand.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpCommand.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpCommand.java
new file mode 100644
index 0000000..61a83ec
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpCommand.java
@@ -0,0 +1,920 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.nio.channels.Channel;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Map;
+import java.util.Objects;
+import java.util.TreeMap;
+import java.util.logging.Level;
+
+import org.apache.sshd.client.SshClient;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Attributes;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatPathExtension;
+import org.apache.sshd.common.NamedResource;
+import org.apache.sshd.common.io.IoSession;
+import org.apache.sshd.common.kex.KexProposalOption;
+import org.apache.sshd.common.session.Session;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.StatVfsExtensionParser;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.OsUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.common.util.io.NoCloseInputStream;
+
+/**
+ * Implements a simple command line SFTP client similar to the Linux one
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpCommand implements Channel {
+ /**
+ * Command line option used to indicate a non-default port number
+ */
+ public static final String SFTP_PORT_OPTION = "-P";
+
+ private final SftpClient client;
+ private final Map<String, CommandExecutor> commandsMap;
+ private String cwdRemote;
+ private String cwdLocal;
+
+ @SuppressWarnings("synthetic-access")
+ public SftpCommand(SftpClient client) {
+ this.client = Objects.requireNonNull(client, "No client");
+
+ Map<String, CommandExecutor> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ for (CommandExecutor e : Arrays.asList(
+ new ExitCommandExecutor(),
+ new PwdCommandExecutor(),
+ new InfoCommandExecutor(),
+ new SessionCommandExecutor(),
+ new VersionCommandExecutor(),
+ new CdCommandExecutor(),
+ new LcdCommandExecutor(),
+ new MkdirCommandExecutor(),
+ new LsCommandExecutor(),
+ new LStatCommandExecutor(),
+ new ReadLinkCommandExecutor(),
+ new RmCommandExecutor(),
+ new RmdirCommandExecutor(),
+ new RenameCommandExecutor(),
+ new StatVfsCommandExecutor(),
+ new GetCommandExecutor(),
+ new PutCommandExecutor(),
+ new HelpCommandExecutor()
+ )) {
+ String name = e.getName();
+ ValidateUtils.checkTrue(map.put(name, e) == null, "Multiple commands named '%s'", name);
+ }
+ commandsMap = Collections.unmodifiableMap(map);
+ cwdLocal = System.getProperty("user.dir");
+ }
+
+ public final SftpClient getClient() {
+ return client;
+ }
+
+ public void doInteractive(BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ SftpClient sftp = getClient();
+ setCurrentRemoteDirectory(sftp.canonicalPath("."));
+ while (true) {
+ stdout.append(getCurrentRemoteDirectory()).append(" > ").flush();
+ String line = stdin.readLine();
+ if (line == null) { // EOF
+ break;
+ }
+
+ line = GenericUtils.replaceWhitespaceAndTrim(line);
+ if (GenericUtils.isEmpty(line)) {
+ continue;
+ }
+
+ String cmd;
+ String args;
+ int pos = line.indexOf(' ');
+ if (pos > 0) {
+ cmd = line.substring(0, pos);
+ args = line.substring(pos + 1).trim();
+ } else {
+ cmd = line;
+ args = "";
+ }
+
+ CommandExecutor exec = commandsMap.get(cmd);
+ try {
+ if (exec == null) {
+ stderr.append("Unknown command: ").println(line);
+ } else {
+ try {
+ if (exec.executeCommand(args, stdin, stdout, stderr)) {
+ break;
+ }
+ } catch (Exception e) {
+ stderr.append(e.getClass().getSimpleName()).append(": ").println(e.getMessage());
+ } finally {
+ stdout.flush();
+ }
+ }
+ } finally {
+ stderr.flush(); // just makings sure
+ }
+ }
+ }
+
+ protected String resolveLocalPath(String pathArg) {
+ String cwd = getCurrentLocalDirectory();
+ if (GenericUtils.isEmpty(pathArg)) {
+ return cwd;
+ }
+
+ if (OsUtils.isWin32()) {
+ if ((pathArg.length() >= 2) && (pathArg.charAt(1) == ':')) {
+ return pathArg;
+ }
+ } else {
+ if (pathArg.charAt(0) == '/') {
+ return pathArg;
+ }
+ }
+
+ return cwd + File.separator + pathArg.replace('/', File.separatorChar);
+ }
+
+ protected String resolveRemotePath(String pathArg) {
+ String cwd = getCurrentRemoteDirectory();
+ if (GenericUtils.isEmpty(pathArg)) {
+ return cwd;
+ }
+
+ if (pathArg.charAt(0) == '/') {
+ return pathArg;
+ } else {
+ return cwd + "/" + pathArg;
+ }
+ }
+
+ protected <A extends Appendable> A appendFileAttributes(A stdout, SftpClient sftp, String path, Attributes attrs) throws IOException {
+ stdout.append('\t').append(Long.toString(attrs.getSize()))
+ .append('\t').append(SftpFileSystemProvider.getRWXPermissions(attrs.getPermissions()));
+ if (attrs.isSymbolicLink()) {
+ String linkValue = sftp.readLink(path);
+ stdout.append(" => ")
+ .append('(').append(attrs.isDirectory() ? "dir" : "file").append(')')
+ .append(' ').append(linkValue);
+ }
+
+ return stdout;
+ }
+
+ public String getCurrentRemoteDirectory() {
+ return cwdRemote;
+ }
+
+ public void setCurrentRemoteDirectory(String path) {
+ cwdRemote = path;
+ }
+
+ public String getCurrentLocalDirectory() {
+ return cwdLocal;
+ }
+
+ public void setCurrentLocalDirectory(String path) {
+ cwdLocal = path;
+ }
+
+ @Override
+ public boolean isOpen() {
+ return client.isOpen();
+ }
+
+ @Override
+ public void close() throws IOException {
+ if (isOpen()) {
+ client.close();
+ }
+ }
+
+ public interface CommandExecutor extends NamedResource {
+ // return value is whether to stop running
+ boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception;
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+
+ public static <A extends Appendable> A appendInfoValue(A sb, CharSequence name, Object value) throws IOException {
+ sb.append('\t').append(name).append(": ").append(Objects.toString(value));
+ return sb;
+ }
+
+ public static void main(String[] args) throws Exception {
+ PrintStream stdout = System.out;
+ PrintStream stderr = System.err;
+ OutputStream logStream = stderr;
+ try (BufferedReader stdin = new BufferedReader(new InputStreamReader(new NoCloseInputStream(System.in)))) {
+ Level level = SshClient.resolveLoggingVerbosity(args);
+ logStream = SshClient.resolveLoggingTargetStream(stdout, stderr, args);
+ if (logStream != null) {
+ SshClient.setupLogging(level, stdout, stderr, logStream);
+ }
+
+ ClientSession session = (logStream == null) ? null : SshClient.setupClientSession(SFTP_PORT_OPTION, stdin, stdout, stderr, args);
+ if (session == null) {
+ System.err.println("usage: sftp [-v[v][v]] [-E logoutput] [-i identity]"
+ + " [-l login] [" + SFTP_PORT_OPTION + " port] [-o option=value]"
+ + " [-w password] [-c cipherlist] [-m maclist] [-C] hostname/user@host");
+ System.exit(-1);
+ return;
+ }
+
+ try {
+ try (SftpCommand sftp = new SftpCommand(SftpClientFactory.instance().createSftpClient(session))) {
+ sftp.doInteractive(stdin, stdout, stderr);
+ }
+ } finally {
+ session.close();
+ }
+ } finally {
+ if ((logStream != stdout) && (logStream != stderr)) {
+ logStream.close();
+ }
+ }
+ }
+
+ private static class ExitCommandExecutor implements CommandExecutor {
+ ExitCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "exit";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
+ stdout.println("Exiting");
+ return true;
+ }
+ }
+
+ private class PwdCommandExecutor implements CommandExecutor {
+ protected PwdCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "pwd";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
+ stdout.append('\t').append("Remote: ").println(getCurrentRemoteDirectory());
+ stdout.append('\t').append("Local: ").println(getCurrentLocalDirectory());
+ return false;
+ }
+ }
+
+ private class SessionCommandExecutor implements CommandExecutor {
+ SessionCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "session";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
+ SftpClient sftp = getClient();
+ ClientSession session = sftp.getSession();
+ appendInfoValue(stdout, "Session ID", BufferUtils.toHex(session.getSessionId())).println();
+ appendInfoValue(stdout, "Connect address", session.getConnectAddress()).println();
+
+ IoSession ioSession = session.getIoSession();
+ appendInfoValue(stdout, "Local address", ioSession.getLocalAddress()).println();
+ appendInfoValue(stdout, "Remote address", ioSession.getRemoteAddress()).println();
+
+ for (KexProposalOption option : KexProposalOption.VALUES) {
+ appendInfoValue(stdout, option.getDescription(), session.getNegotiatedKexParameter(option)).println();
+ }
+
+ return false;
+ }
+ }
+
+ private class InfoCommandExecutor implements CommandExecutor {
+ InfoCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "info";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
+ SftpClient sftp = getClient();
+ Session session = sftp.getSession();
+ stdout.append('\t').println(session.getServerVersion());
+
+ Map<String, byte[]> extensions = sftp.getServerExtensions();
+ Map<String, ?> parsed = ParserUtils.parse(extensions);
+ if (GenericUtils.size(extensions) > 0) {
+ stdout.println();
+ }
+
+ extensions.forEach((name, value) -> {
+ Object info = parsed.get(name);
+
+ stdout.append('\t').append(name).append(": ");
+ if (info == null) {
+ stdout.println(BufferUtils.toHex(value));
+ } else {
+ stdout.println(info);
+ }
+ });
+
+ return false;
+ }
+ }
+
+ private class VersionCommandExecutor implements CommandExecutor {
+ VersionCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "version";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
+ SftpClient sftp = getClient();
+ stdout.append('\t').println(sftp.getVersion());
+ return false;
+ }
+ }
+
+ private class CdCommandExecutor extends PwdCommandExecutor {
+ CdCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "cd";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ ValidateUtils.checkNotNullAndNotEmpty(args, "No remote directory specified");
+
+ String newPath = resolveRemotePath(args);
+ SftpClient sftp = getClient();
+ setCurrentRemoteDirectory(sftp.canonicalPath(newPath));
+ return super.executeCommand("", stdin, stdout, stderr);
+ }
+ }
+
+ private class LcdCommandExecutor extends PwdCommandExecutor {
+ LcdCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "lcd";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ if (GenericUtils.isEmpty(args)) {
+ setCurrentLocalDirectory(System.getProperty("user.home"));
+ } else {
+ Path path = Paths.get(resolveLocalPath(args)).normalize().toAbsolutePath();
+ ValidateUtils.checkTrue(Files.exists(path), "No such local directory: %s", path);
+ ValidateUtils.checkTrue(Files.isDirectory(path), "Path is not a directory: %s", path);
+ setCurrentLocalDirectory(path.toString());
+ }
+
+ return super.executeCommand("", stdin, stdout, stderr);
+ }
+ }
+
+ private class MkdirCommandExecutor implements CommandExecutor {
+ MkdirCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "mkdir";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ ValidateUtils.checkNotNullAndNotEmpty(args, "No remote directory specified");
+
+ String path = resolveRemotePath(args);
+ SftpClient sftp = getClient();
+ sftp.mkdir(path);
+ return false;
+ }
+ }
+
+ private class LsCommandExecutor implements CommandExecutor {
+ LsCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "ls";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ String[] comps = GenericUtils.split(args, ' ');
+ int numComps = GenericUtils.length(comps);
+ String pathArg = (numComps <= 0) ? null : GenericUtils.trimToEmpty(comps[numComps - 1]);
+ String flags = (numComps >= 2) ? GenericUtils.trimToEmpty(comps[0]) : null;
+ // ignore all flags
+ if ((GenericUtils.length(pathArg) > 0) && (pathArg.charAt(0) == '-')) {
+ flags = pathArg;
+ pathArg = null;
+ }
+
+ String path = resolveRemotePath(pathArg);
+ SftpClient sftp = getClient();
+ int version = sftp.getVersion();
+ boolean showLongName = (version == SftpConstants.SFTP_V3) && (GenericUtils.length(flags) > 1) && (flags.indexOf('l') > 0);
+ for (SftpClient.DirEntry entry : sftp.readDir(path)) {
+ String fileName = entry.getFilename();
+ SftpClient.Attributes attrs = entry.getAttributes();
+ appendFileAttributes(stdout.append('\t').append(fileName), sftp, path + "/" + fileName, attrs).println();
+ if (showLongName) {
+ stdout.append("\t\tlong-name: ").println(entry.getLongFilename());
+ }
+ }
+
+ return false;
+ }
+ }
+
+ private class RmCommandExecutor implements CommandExecutor {
+ RmCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "rm";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ String[] comps = GenericUtils.split(args, ' ');
+ int numArgs = GenericUtils.length(comps);
+ ValidateUtils.checkTrue(numArgs >= 1, "No arguments");
+ ValidateUtils.checkTrue(numArgs <= 2, "Too many arguments: %s", args);
+
+ String remotePath = comps[0];
+ boolean recursive = false;
+ boolean verbose = false;
+ if (remotePath.charAt(0) == '-') {
+ ValidateUtils.checkTrue(remotePath.length() > 1, "Missing flags specification: %s", args);
+ ValidateUtils.checkTrue(numArgs == 2, "Missing remote directory: %s", args);
+
+ for (int index = 1; index < remotePath.length(); index++) {
+ char ch = remotePath.charAt(index);
+ switch(ch) {
+ case 'r' :
+ recursive = true;
+ break;
+ case 'v':
+ verbose = true;
+ break;
+ default:
+ throw new IllegalArgumentException("Unknown flag (" + String.valueOf(ch) + ")");
+ }
+ }
+ remotePath = comps[1];
+ }
+
+ String path = resolveRemotePath(remotePath);
+ SftpClient sftp = getClient();
+ if (recursive) {
+ Attributes attrs = sftp.stat(path);
+ ValidateUtils.checkTrue(attrs.isDirectory(), "Remote path not a directory: %s", args);
+ removeRecursive(sftp, path, attrs, stdout, verbose);
+ } else {
+ sftp.remove(path);
+ if (verbose) {
+ stdout.append('\t').append("Removed ").println(path);
+ }
+ }
+
+ return false;
+ }
+
+ private void removeRecursive(SftpClient sftp, String path, Attributes attrs, PrintStream stdout, boolean verbose) throws IOException {
+ if (attrs.isDirectory()) {
+ for (DirEntry entry : sftp.readDir(path)) {
+ String name = entry.getFilename();
+ if (".".equals(name) || "..".equals(name)) {
+ continue;
+ }
+
+ removeRecursive(sftp, path + "/" + name, entry.getAttributes(), stdout, verbose);
+ }
+
+ sftp.rmdir(path);
+ } else if (attrs.isRegularFile()) {
+ sftp.remove(path);
+ } else {
+ if (verbose) {
+ stdout.append('\t').append("Skip special file ").println(path);
+ return;
+ }
+ }
+
+ if (verbose) {
+ stdout.append('\t').append("Removed ").println(path);
+ }
+ }
+ }
+
+ private class RmdirCommandExecutor implements CommandExecutor {
+ RmdirCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "rmdir";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ ValidateUtils.checkNotNullAndNotEmpty(args, "No remote directory specified");
+
+ String path = resolveRemotePath(args);
+ SftpClient sftp = getClient();
+ sftp.rmdir(path);
+ return false;
+ }
+ }
+
+ private class RenameCommandExecutor implements CommandExecutor {
+ RenameCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "rename";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ String[] comps = GenericUtils.split(args, ' ');
+ ValidateUtils.checkTrue(GenericUtils.length(comps) == 2, "Invalid number of arguments: %s", args);
+
+ String oldPath = resolveRemotePath(GenericUtils.trimToEmpty(comps[0]));
+ String newPath = resolveRemotePath(GenericUtils.trimToEmpty(comps[1]));
+ SftpClient sftp = getClient();
+ sftp.rename(oldPath, newPath);
+ return false;
+ }
+ }
+
+ private class StatVfsCommandExecutor implements CommandExecutor {
+ StatVfsCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return StatVfsExtensionParser.NAME;
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ String[] comps = GenericUtils.split(args, ' ');
+ int numArgs = GenericUtils.length(comps);
+ ValidateUtils.checkTrue(numArgs <= 1, "Invalid number of arguments: %s", args);
+
+ SftpClient sftp = getClient();
+ OpenSSHStatPathExtension ext = sftp.getExtension(OpenSSHStatPathExtension.class);
+ ValidateUtils.checkTrue(ext.isSupported(), "Extension not supported by server: %s", ext.getName());
+
+ String remPath = resolveRemotePath((numArgs >= 1) ? GenericUtils.trimToEmpty(comps[0]) : GenericUtils.trimToEmpty(args));
+ OpenSSHStatExtensionInfo info = ext.stat(remPath);
+ Field[] fields = info.getClass().getFields();
+ for (Field f : fields) {
+ String name = f.getName();
+ int mod = f.getModifiers();
+ if (Modifier.isStatic(mod)) {
+ continue;
+ }
+
+ Object value = f.get(info);
+ stdout.append('\t').append(name).append(": ").println(value);
+ }
+
+ return false;
+ }
+ }
+
+ private class LStatCommandExecutor implements CommandExecutor {
+ LStatCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "lstat";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ String[] comps = GenericUtils.split(args, ' ');
+ ValidateUtils.checkTrue(GenericUtils.length(comps) <= 1, "Invalid number of arguments: %s", args);
+
+ String path = GenericUtils.trimToEmpty(resolveRemotePath(args));
+ SftpClient client = getClient();
+ Attributes attrs = client.lstat(path);
+ appendFileAttributes(stdout, client, path, attrs).println();
+ return false;
+ }
+ }
+
+ private class ReadLinkCommandExecutor implements CommandExecutor {
+ ReadLinkCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "readlink";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ String[] comps = GenericUtils.split(args, ' ');
+ ValidateUtils.checkTrue(GenericUtils.length(comps) <= 1, "Invalid number of arguments: %s", args);
+
+ String path = GenericUtils.trimToEmpty(resolveRemotePath(args));
+ SftpClient client = getClient();
+ String linkData = client.readLink(path);
+ stdout.append('\t').println(linkData);
+ return false;
+ }
+ }
+
+ private class HelpCommandExecutor implements CommandExecutor {
+ HelpCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "help";
+ }
+
+ @Override
+ @SuppressWarnings("synthetic-access")
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
+ for (String cmd : commandsMap.keySet()) {
+ stdout.append('\t').println(cmd);
+ }
+ return false;
+ }
+ }
+
+ private abstract class TransferCommandExecutor implements CommandExecutor {
+ protected TransferCommandExecutor() {
+ super();
+ }
+
+ protected void createDirectories(SftpClient sftp, String remotePath) throws IOException {
+ try {
+ Attributes attrs = sftp.stat(remotePath);
+ ValidateUtils.checkTrue(attrs.isDirectory(), "Remote path already exists but is not a directory: %s", remotePath);
+ return;
+ } catch (SftpException e) {
+ int status = e.getStatus();
+ ValidateUtils.checkTrue(status == SftpConstants.SSH_FX_NO_SUCH_FILE, "Failed to get status of %s: %s", remotePath, e.getMessage());
+ }
+
+ int pos = remotePath.lastIndexOf('/');
+ ValidateUtils.checkTrue(pos > 0, "No more parents for %s", remotePath);
+ createDirectories(sftp, remotePath.substring(0, pos));
+ }
+
+ protected void transferFile(SftpClient sftp, Path localPath, String remotePath, boolean upload, PrintStream stdout, boolean verbose) throws IOException {
+ // Create the file's hierarchy
+ if (upload) {
+ int pos = remotePath.lastIndexOf('/');
+ ValidateUtils.checkTrue(pos > 0, "Missing full remote file path: %s", remotePath);
+ createDirectories(sftp, remotePath.substring(0, pos));
+ } else {
+ Files.createDirectories(localPath.getParent());
+ }
+
+ try (InputStream input = upload ? Files.newInputStream(localPath) : sftp.read(remotePath);
+ OutputStream output = upload ? sftp.write(remotePath) : Files.newOutputStream(localPath)) {
+ IoUtils.copy(input, output, SftpClient.IO_BUFFER_SIZE);
+ }
+
+ if (verbose) {
+ stdout.append('\t')
+ .append("Copied ").append(upload ? localPath.toString() : remotePath)
+ .append(" to ").println(upload ? remotePath : localPath.toString());
+ }
+ }
+
+ protected void transferRemoteDir(SftpClient sftp, Path localPath, String remotePath, Attributes attrs, PrintStream stdout, boolean verbose) throws IOException {
+ if (attrs.isDirectory()) {
+ for (DirEntry entry : sftp.readDir(remotePath)) {
+ String name = entry.getFilename();
+ if (".".equals(name) || "..".equals(name)) {
+ continue;
+ }
+
+ transferRemoteDir(sftp, localPath.resolve(name), remotePath + "/" + name, entry.getAttributes(), stdout, verbose);
+ }
+ } else if (attrs.isRegularFile()) {
+ transferFile(sftp, localPath, remotePath, false, stdout, verbose);
+ } else {
+ if (verbose) {
+ stdout.append('\t').append("Skip remote special file ").println(remotePath);
+ }
+ }
+ }
+
+ protected void transferLocalDir(SftpClient sftp, Path localPath, String remotePath, PrintStream stdout, boolean verbose) throws IOException {
+ if (Files.isDirectory(localPath)) {
+ try (DirectoryStream<Path> ds = Files.newDirectoryStream(localPath)) {
+ for (Path entry : ds) {
+ String name = entry.getFileName().toString();
+ transferLocalDir(sftp, localPath.resolve(name), remotePath + "/" + name, stdout, verbose);
+ }
+ }
+ } else if (Files.isRegularFile(localPath)) {
+ transferFile(sftp, localPath, remotePath, true, stdout, verbose);
+ } else {
+ if (verbose) {
+ stdout.append('\t').append("Skip local special file ").println(localPath);
+ }
+ }
+ }
+
+ protected void executeCommand(String args, boolean upload, PrintStream stdout) throws IOException {
+ String[] comps = GenericUtils.split(args, ' ');
+ int numArgs = GenericUtils.length(comps);
+ ValidateUtils.checkTrue((numArgs >= 1) && (numArgs <= 3), "Invalid number of arguments: %s", args);
+
+ String src = comps[0];
+ boolean recursive = false;
+ boolean verbose = false;
+ int tgtIndex = 1;
+ if (src.charAt(0) == '-') {
+ ValidateUtils.checkTrue(src.length() > 1, "Missing flags specification: %s", args);
+ ValidateUtils.checkTrue(numArgs >= 2, "Missing source specification: %s", args);
+
+ for (int index = 1; index < src.length(); index++) {
+ char ch = src.charAt(index);
+ switch(ch) {
+ case 'r' :
+ recursive = true;
+ break;
+ case 'v':
+ verbose = true;
+ break;
+ default:
+ throw new IllegalArgumentException("Unknown flag (" + String.valueOf(ch) + ")");
+ }
+ }
+ src = comps[1];
+ tgtIndex++;
+ }
+
+ String tgt = (tgtIndex < numArgs) ? comps[tgtIndex] : null;
+ String localPath;
+ String remotePath;
+ if (upload) {
+ localPath = src;
+ remotePath = ValidateUtils.checkNotNullAndNotEmpty(tgt, "No remote target specified: %s", args);
+ } else {
+ localPath = GenericUtils.isEmpty(tgt) ? getCurrentLocalDirectory() : tgt;
+ remotePath = src;
+ }
+
+ SftpClient sftp = getClient();
+ Path local = Paths.get(resolveLocalPath(localPath)).normalize().toAbsolutePath();
+ String remote = resolveRemotePath(remotePath);
+ if (recursive) {
+ if (upload) {
+ ValidateUtils.checkTrue(Files.isDirectory(local), "Local path not a directory or does not exist: %s", local);
+ transferLocalDir(sftp, local, remote, stdout, verbose);
+ } else {
+ Attributes attrs = sftp.stat(remote);
+ ValidateUtils.checkTrue(attrs.isDirectory(), "Remote path not a directory: %s", remote);
+ transferRemoteDir(sftp, local, remote, attrs, stdout, verbose);
+ }
+ } else {
+ if (Files.exists(local) && Files.isDirectory(local)) {
+ int pos = remote.lastIndexOf('/');
+ String name = (pos >= 0) ? remote.substring(pos + 1) : remote;
+ local = local.resolve(name);
+ }
+
+ transferFile(sftp, local, remote, upload, stdout, verbose);
+ }
+ }
+ }
+
+ private class GetCommandExecutor extends TransferCommandExecutor {
+ GetCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "get";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ executeCommand(args, false, stdout);
+ return false;
+ }
+ }
+
+ private class PutCommandExecutor extends TransferCommandExecutor {
+ PutCommandExecutor() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return "put";
+ }
+
+ @Override
+ public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
+ executeCommand(args, true, stdout);
+ return false;
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirEntryIterator.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirEntryIterator.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirEntryIterator.java
new file mode 100644
index 0000000..abf3a1d
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirEntryIterator.java
@@ -0,0 +1,194 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.nio.channels.Channel;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Objects;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.logging.AbstractLoggingBean;
+
+/**
+ * Iterates over the available directory entries for a given path. <B>Note:</B>
+ * if the iteration is carried out until no more entries are available, then
+ * no need to close the iterator. Otherwise, it is recommended to close it so
+ * as to release the internal handle.
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpDirEntryIterator extends AbstractLoggingBean implements Iterator<DirEntry>, Channel {
+ private final AtomicReference<Boolean> eolIndicator = new AtomicReference<>();
+ private final AtomicBoolean open = new AtomicBoolean(true);
+ private final SftpClient client;
+ private final String dirPath;
+ private final boolean closeOnFinished;
+ private Handle dirHandle;
+ private List<DirEntry> dirEntries;
+ private int index;
+
+ /**
+ * @param client The {@link SftpClient} instance to use for the iteration
+ * @param path The remote directory path
+ * @throws IOException If failed to gain access to the remote directory path
+ */
+ public SftpDirEntryIterator(SftpClient client, String path) throws IOException {
+ this(client, path, client.openDir(path), true);
+ }
+
+ /**
+ * @param client The {@link SftpClient} instance to use for the iteration
+ * @param dirHandle The directory {@link Handle} to use for listing the entries
+ */
+ public SftpDirEntryIterator(SftpClient client, Handle dirHandle) {
+ this(client, Objects.toString(dirHandle, null), dirHandle, false);
+ }
+
+ /**
+ * @param client The {@link SftpClient} instance to use for the iteration
+ * @param path A hint as to the remote directory path - used only for logging
+ * @param dirHandle The directory {@link Handle} to use for listing the entries
+ * @param closeOnFinished If {@code true} then close the directory handle when
+ * all entries have been exhausted
+ */
+ public SftpDirEntryIterator(SftpClient client, String path, Handle dirHandle, boolean closeOnFinished) {
+ this.client = Objects.requireNonNull(client, "No SFTP client instance");
+ this.dirPath = ValidateUtils.checkNotNullAndNotEmpty(path, "No path");
+ this.dirHandle = Objects.requireNonNull(dirHandle, "No directory handle");
+ this.closeOnFinished = closeOnFinished;
+ this.dirEntries = load(dirHandle);
+ }
+
+ /**
+ * The client instance
+ *
+ * @return {@link SftpClient} instance used to access the remote folder
+ */
+ public final SftpClient getClient() {
+ return client;
+ }
+
+ /**
+ * The remotely accessed directory path
+ *
+ * @return Remote directory hint - may be the handle's value if accessed directly
+ * via a {@link Handle} instead of via a path - used only for logging
+ */
+ public final String getPath() {
+ return dirPath;
+ }
+
+ /**
+ * @return The directory {@link Handle} used to access the remote directory
+ */
+ public final Handle getHandle() {
+ return dirHandle;
+ }
+
+ @Override
+ public boolean hasNext() {
+ return (dirEntries != null) && (index < dirEntries.size());
+ }
+
+ @Override
+ public DirEntry next() {
+ DirEntry entry = dirEntries.get(index++);
+ if (index >= dirEntries.size()) {
+ index = 0;
+
+ try {
+ dirEntries = load(getHandle());
+ } catch (RuntimeException e) {
+ dirEntries = null;
+ throw e;
+ }
+ }
+
+ return entry;
+ }
+
+ @Override
+ public boolean isOpen() {
+ return open.get();
+ }
+
+ public boolean isCloseOnFinished() {
+ return closeOnFinished;
+ }
+
+ @Override
+ public void close() throws IOException {
+ if (open.getAndSet(false)) {
+ Handle handle = getHandle();
+ if ((handle instanceof Closeable) && isCloseOnFinished()) {
+ if (log.isDebugEnabled()) {
+ log.debug("close(" + getPath() + ") handle=" + handle);
+ }
+ ((Closeable) handle).close();
+ }
+ }
+ }
+
+ protected List<DirEntry> load(Handle handle) {
+ try {
+ // check if previous call yielded an end-of-list indication
+ Boolean eolReached = eolIndicator.getAndSet(null);
+ if ((eolReached != null) && eolReached) {
+ if (log.isTraceEnabled()) {
+ log.trace("load({})[{}] exhausted all entries on previous call", getPath(), handle);
+ }
+ return null;
+ }
+
+ List<DirEntry> entries = client.readDir(handle, eolIndicator);
+ eolReached = eolIndicator.get();
+ if ((entries == null) || ((eolReached != null) && eolReached)) {
+ if (log.isTraceEnabled()) {
+ log.trace("load({})[{}] exhausted all entries - EOL={}", getPath(), handle, eolReached);
+ }
+ close();
+ }
+
+ return entries;
+ } catch (IOException e) {
+ try {
+ close();
+ } catch (IOException t) {
+ if (log.isTraceEnabled()) {
+ log.trace(t.getClass().getSimpleName() + " while close handle=" + handle
+ + " due to " + e.getClass().getSimpleName() + " [" + e.getMessage() + "]"
+ + ": " + t.getMessage());
+ }
+ }
+ throw new RuntimeException(e);
+ }
+ }
+
+ @Override
+ public void remove() {
+ throw new UnsupportedOperationException("readDir(" + getPath() + ")[" + getHandle() + "] Iterator#remove() N/A");
+ }
+}
\ No newline at end of file
[19/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemTest.java
deleted file mode 100644
index bc7b7f3..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemTest.java
+++ /dev/null
@@ -1,490 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.net.URI;
-import java.nio.ByteBuffer;
-import java.nio.channels.FileChannel;
-import java.nio.channels.FileLock;
-import java.nio.channels.OverlappingFileLockException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.DirectoryStream;
-import java.nio.file.FileAlreadyExistsException;
-import java.nio.file.FileStore;
-import java.nio.file.FileSystem;
-import java.nio.file.FileSystems;
-import java.nio.file.Files;
-import java.nio.file.LinkOption;
-import java.nio.file.NoSuchFileException;
-import java.nio.file.Path;
-import java.nio.file.StandardCopyOption;
-import java.nio.file.StandardOpenOption;
-import java.nio.file.attribute.AclEntry;
-import java.nio.file.attribute.AclFileAttributeView;
-import java.nio.file.attribute.FileAttributeView;
-import java.nio.file.attribute.FileTime;
-import java.nio.file.attribute.GroupPrincipal;
-import java.nio.file.attribute.PosixFilePermissions;
-import java.nio.file.attribute.UserPrincipalLookupService;
-import java.nio.file.attribute.UserPrincipalNotFoundException;
-import java.nio.file.spi.FileSystemProvider;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Date;
-import java.util.EnumSet;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.TreeMap;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicInteger;
-
-import org.apache.sshd.client.SshClient;
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.common.file.FileSystemFactory;
-import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;
-import org.apache.sshd.common.session.Session;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.OsUtils;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.server.SshServer;
-import org.apache.sshd.server.scp.ScpCommandFactory;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemEnvironment;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
-import org.apache.sshd.util.test.BaseTestSupport;
-import org.apache.sshd.util.test.Utils;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runners.MethodSorters;
-
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class SftpFileSystemTest extends BaseTestSupport {
- private static SshServer sshd;
- private static int port;
-
- private final FileSystemFactory fileSystemFactory;
-
- public SftpFileSystemTest() throws IOException {
- Path targetPath = detectTargetFolder();
- Path parentPath = targetPath.getParent();
- fileSystemFactory = new VirtualFileSystemFactory(parentPath);
- }
-
- @BeforeClass
- public static void setupServerInstance() throws Exception {
- sshd = Utils.setupTestServer(SftpFileSystemTest.class);
- sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
- sshd.setCommandFactory(new ScpCommandFactory());
- sshd.start();
- port = sshd.getPort();
- }
-
- @AfterClass
- public static void tearDownServerInstance() throws Exception {
- if (sshd != null) {
- try {
- sshd.stop(true);
- } finally {
- sshd = null;
- }
- }
- }
-
- @Before
- public void setUp() throws Exception {
- sshd.setFileSystemFactory(fileSystemFactory);
- }
-
- @Test
- public void testFileSystem() throws Exception {
- try (FileSystem fs = FileSystems.newFileSystem(createDefaultFileSystemURI(),
- GenericUtils.<String, Object>mapBuilder()
- .put(SftpFileSystemProvider.READ_BUFFER_PROP_NAME, IoUtils.DEFAULT_COPY_SIZE)
- .put(SftpFileSystemProvider.WRITE_BUFFER_PROP_NAME, IoUtils.DEFAULT_COPY_SIZE)
- .build())) {
- assertTrue("Not an SftpFileSystem", fs instanceof SftpFileSystem);
- testFileSystem(fs, ((SftpFileSystem) fs).getVersion());
- }
- }
-
- @Test // see SSHD-578
- public void testFileSystemURIParameters() throws Exception {
- Map<String, Object> params = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- params.put("test-class-name", getClass().getSimpleName());
- params.put("test-pkg-name", getClass().getPackage().getName());
- params.put("test-name", getCurrentTestName());
-
- int expectedVersion = (SftpSubsystemEnvironment.LOWER_SFTP_IMPL + SftpSubsystemEnvironment.HIGHER_SFTP_IMPL) / 2;
- params.put(SftpFileSystemProvider.VERSION_PARAM, expectedVersion);
- try (SftpFileSystem fs = (SftpFileSystem) FileSystems.newFileSystem(createDefaultFileSystemURI(params), Collections.<String, Object>emptyMap())) {
- try (SftpClient sftpClient = fs.getClient()) {
- assertEquals("Mismatched negotiated version", expectedVersion, sftpClient.getVersion());
-
- Session session = sftpClient.getClientSession();
- params.forEach((key, expected) -> {
- if (SftpFileSystemProvider.VERSION_PARAM.equalsIgnoreCase(key)) {
- return;
- }
-
- Object actual = session.getObject(key);
- assertEquals("Mismatched value for param '" + key + "'", expected, actual);
- });
- }
- }
- }
-
- @Test
- public void testAttributes() throws IOException {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Utils.deleteRecursive(lclSftp);
-
- try (FileSystem fs = FileSystems.newFileSystem(createDefaultFileSystemURI(),
- GenericUtils.<String, Object>mapBuilder()
- .put(SftpFileSystemProvider.READ_BUFFER_PROP_NAME, SftpClient.MIN_READ_BUFFER_SIZE)
- .put(SftpFileSystemProvider.WRITE_BUFFER_PROP_NAME, SftpClient.MIN_WRITE_BUFFER_SIZE)
- .build())) {
-
- Path parentPath = targetPath.getParent();
- Path clientFolder = lclSftp.resolve("client");
- String remFilePath = Utils.resolveRelativeRemotePath(parentPath, clientFolder.resolve("file.txt"));
- Path file = fs.getPath(remFilePath);
- assertHierarchyTargetFolderExists(file.getParent());
- Files.write(file, (getCurrentTestName() + "\n").getBytes(StandardCharsets.UTF_8));
-
- Map<String, Object> attrs = Files.readAttributes(file, "posix:*");
- assertNotNull("No attributes read for " + file, attrs);
-
- Files.setAttribute(file, "basic:size", 2L);
- Files.setAttribute(file, "posix:permissions", PosixFilePermissions.fromString("rwxr-----"));
- Files.setAttribute(file, "basic:lastModifiedTime", FileTime.fromMillis(100000L));
-
- FileSystem fileSystem = file.getFileSystem();
- try {
- UserPrincipalLookupService userLookupService = fileSystem.getUserPrincipalLookupService();
- GroupPrincipal group = userLookupService.lookupPrincipalByGroupName("everyone");
- Files.setAttribute(file, "posix:group", group);
- } catch (UserPrincipalNotFoundException e) {
- // Also, according to the Javadoc:
- // "Where an implementation does not support any notion of
- // group then this method always throws UserPrincipalNotFoundException."
- // Therefore we are lenient with this exception for Windows
- if (OsUtils.isWin32()) {
- System.err.println(e.getClass().getSimpleName() + ": " + e.getMessage());
- } else {
- throw e;
- }
- }
- }
- }
-
- @Test
- public void testRootFileSystem() throws IOException {
- Path targetPath = detectTargetFolder();
- Path rootNative = targetPath.resolve("root").toAbsolutePath();
- Utils.deleteRecursive(rootNative);
- assertHierarchyTargetFolderExists(rootNative);
-
- try (FileSystem fs = FileSystems.newFileSystem(URI.create("root:" + rootNative.toUri().toString() + "!/"), null)) {
- Path dir = assertHierarchyTargetFolderExists(fs.getPath("test/foo"));
- outputDebugMessage("Created %s", dir);
- }
- }
-
- @Test // see SSHD-697
- public void testFileChannel() throws IOException {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Path lclFile = lclSftp.resolve(getCurrentTestName() + ".txt");
- Files.deleteIfExists(lclFile);
- byte[] expected = (getClass().getName() + "#" + getCurrentTestName() + "(" + new Date() + ")").getBytes(StandardCharsets.UTF_8);
- try (FileSystem fs = FileSystems.newFileSystem(createDefaultFileSystemURI(), Collections.emptyMap())) {
- Path parentPath = targetPath.getParent();
- String remFilePath = Utils.resolveRelativeRemotePath(parentPath, lclFile);
- Path file = fs.getPath(remFilePath);
-
- FileSystemProvider provider = fs.provider();
- try (FileChannel fc = provider.newFileChannel(file, EnumSet.of(StandardOpenOption.CREATE, StandardOpenOption.READ, StandardOpenOption.WRITE))) {
- int writeLen = fc.write(ByteBuffer.wrap(expected));
- assertEquals("Mismatched written length", expected.length, writeLen);
-
- FileChannel fcPos = fc.position(0L);
- assertSame("Mismatched positioned file channel", fc, fcPos);
-
- byte[] actual = new byte[expected.length];
- int readLen = fc.read(ByteBuffer.wrap(actual));
- assertEquals("Mismatched read len", writeLen, readLen);
- assertArrayEquals("Mismatched read data", expected, actual);
- }
- }
-
- byte[] actual = Files.readAllBytes(lclFile);
- assertArrayEquals("Mismatched persisted data", expected, actual);
- }
-
- @Test
- public void testFileStore() throws IOException {
- try (FileSystem fs = FileSystems.newFileSystem(createDefaultFileSystemURI(), Collections.emptyMap())) {
- Iterable<FileStore> iter = fs.getFileStores();
- assertTrue("Not a list", iter instanceof List<?>);
-
- List<FileStore> list = (List<FileStore>) iter;
- assertEquals("Mismatched stores count", 1, list.size());
-
- FileStore store = list.get(0);
- assertEquals("Mismatched type", SftpConstants.SFTP_SUBSYSTEM_NAME, store.type());
- assertFalse("Read-only ?", store.isReadOnly());
-
- for (String name : fs.supportedFileAttributeViews()) {
- assertTrue("Unsupported view name: " + name, store.supportsFileAttributeView(name));
- }
-
- for (Class<? extends FileAttributeView> type : SftpFileSystemProvider.UNIVERSAL_SUPPORTED_VIEWS) {
- assertTrue("Unsupported view type: " + type.getSimpleName(), store.supportsFileAttributeView(type));
- }
- }
- }
-
- @Test
- public void testMultipleFileStoresOnSameProvider() throws IOException {
- try (SshClient client = setupTestClient()) {
- client.start();
-
- SftpFileSystemProvider provider = new SftpFileSystemProvider(client);
- Collection<SftpFileSystem> fsList = new LinkedList<>();
- try {
- Collection<String> idSet = new HashSet<>();
- Map<String, Object> empty = Collections.emptyMap();
- for (int index = 0; index < 4; index++) {
- String credentials = getCurrentTestName() + "-user-" + index;
- SftpFileSystem expected = provider.newFileSystem(createFileSystemURI(credentials, empty), empty);
- fsList.add(expected);
-
- String id = expected.getId();
- assertTrue("Non unique file system id: " + id, idSet.add(id));
-
- SftpFileSystem actual = provider.getFileSystem(id);
- assertSame("Mismatched cached instances for " + id, expected, actual);
- outputDebugMessage("Created file system id: %s", id);
- }
-
- for (SftpFileSystem fs : fsList) {
- String id = fs.getId();
- fs.close();
- assertNull("File system not removed from cache: " + id, provider.getFileSystem(id));
- }
- } finally {
- IOException err = null;
- for (FileSystem fs : fsList) {
- try {
- fs.close();
- } catch (IOException e) {
- err = GenericUtils.accumulateException(err, e);
- }
- }
-
- client.stop();
-
- if (err != null) {
- throw err;
- }
- }
- }
- }
-
- @Test
- public void testSftpVersionSelector() throws Exception {
- final AtomicInteger selected = new AtomicInteger(-1);
- SftpVersionSelector selector = (session, current, available) -> {
- int value = GenericUtils.stream(available)
- .mapToInt(Integer::intValue)
- .filter(v -> v != current)
- .max()
- .orElseGet(() -> current);
- selected.set(value);
- return value;
- };
-
- try (SshClient client = setupTestClient()) {
- client.start();
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (FileSystem fs = session.createSftpFileSystem(selector)) {
- assertTrue("Not an SftpFileSystem", fs instanceof SftpFileSystem);
- Collection<String> views = fs.supportedFileAttributeViews();
- assertTrue("Universal views (" + SftpFileSystem.UNIVERSAL_SUPPORTED_VIEWS + ") not supported: " + views,
- views.containsAll(SftpFileSystem.UNIVERSAL_SUPPORTED_VIEWS));
- int expectedVersion = selected.get();
- assertEquals("Mismatched negotiated version", expectedVersion, ((SftpFileSystem) fs).getVersion());
- testFileSystem(fs, expectedVersion);
- }
- } finally {
- client.stop();
- }
- }
- }
-
- private void testFileSystem(FileSystem fs, int version) throws Exception {
- Iterable<Path> rootDirs = fs.getRootDirectories();
- for (Path root : rootDirs) {
- String rootName = root.toString();
- try (DirectoryStream<Path> ds = Files.newDirectoryStream(root)) {
- for (Path child : ds) {
- String name = child.getFileName().toString();
- assertNotEquals("Unexpected dot name", ".", name);
- assertNotEquals("Unexpected dotdot name", "..", name);
- outputDebugMessage("[%s] %s", rootName, child);
- }
- } catch (IOException | RuntimeException e) {
- // TODO on Windows one might get share problems for *.sys files
- // e.g. "C:\hiberfil.sys: The process cannot access the file because it is being used by another process"
- // for now, Windows is less of a target so we are lenient with it
- if (OsUtils.isWin32()) {
- System.err.println(e.getClass().getSimpleName() + " while accessing children of root=" + root + ": " + e.getMessage());
- } else {
- throw e;
- }
- }
- }
-
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Utils.deleteRecursive(lclSftp);
-
- Path current = fs.getPath(".").toRealPath().normalize();
- outputDebugMessage("CWD: %s", current);
-
- Path parentPath = targetPath.getParent();
- Path clientFolder = lclSftp.resolve("client");
- String remFile1Path = Utils.resolveRelativeRemotePath(parentPath, clientFolder.resolve("file-1.txt"));
- Path file1 = fs.getPath(remFile1Path);
- assertHierarchyTargetFolderExists(file1.getParent());
-
- String expected = "Hello world: " + getCurrentTestName();
- outputDebugMessage("Write initial data to %s", file1);
- Files.write(file1, expected.getBytes(StandardCharsets.UTF_8));
- String buf = new String(Files.readAllBytes(file1), StandardCharsets.UTF_8);
- assertEquals("Mismatched read test data", expected, buf);
-
- if (version >= SftpConstants.SFTP_V4) {
- outputDebugMessage("getFileAttributeView(%s)", file1);
- AclFileAttributeView aclView = Files.getFileAttributeView(file1, AclFileAttributeView.class, LinkOption.NOFOLLOW_LINKS);
- assertNotNull("No ACL view for " + file1, aclView);
-
- Map<String, ?> attrs = Files.readAttributes(file1, "acl:*", LinkOption.NOFOLLOW_LINKS);
- outputDebugMessage("readAttributes(%s) %s", file1, attrs);
- assertEquals("Mismatched owner for " + file1, aclView.getOwner(), attrs.get("owner"));
-
- @SuppressWarnings("unchecked")
- List<AclEntry> acl = (List<AclEntry>) attrs.get("acl");
- outputDebugMessage("acls(%s) %s", file1, acl);
- assertListEquals("Mismatched ACLs for " + file1, aclView.getAcl(), acl);
- }
-
- String remFile2Path = Utils.resolveRelativeRemotePath(parentPath, clientFolder.resolve("file-2.txt"));
- Path file2 = fs.getPath(remFile2Path);
- String remFile3Path = Utils.resolveRelativeRemotePath(parentPath, clientFolder.resolve("file-3.txt"));
- Path file3 = fs.getPath(remFile3Path);
- try {
- outputDebugMessage("Move with failure expected %s => %s", file2, file3);
- Files.move(file2, file3, LinkOption.NOFOLLOW_LINKS);
- fail("Unexpected success in moving " + file2 + " => " + file3);
- } catch (NoSuchFileException e) {
- // expected
- }
-
- Files.write(file2, "h".getBytes(StandardCharsets.UTF_8));
- try {
- outputDebugMessage("Move with failure expected %s => %s", file1, file2);
- Files.move(file1, file2, LinkOption.NOFOLLOW_LINKS);
- fail("Unexpected success in moving " + file1 + " => " + file2);
- } catch (FileAlreadyExistsException e) {
- // expected
- }
-
- outputDebugMessage("Move with success expected %s => %s", file1, file2);
- Files.move(file1, file2, LinkOption.NOFOLLOW_LINKS, StandardCopyOption.REPLACE_EXISTING);
- outputDebugMessage("Move with success expected %s => %s", file2, file1);
- Files.move(file2, file1, LinkOption.NOFOLLOW_LINKS);
-
- Map<String, Object> attrs = Files.readAttributes(file1, "*");
- outputDebugMessage("%s attributes: %s", file1, attrs);
-
- // TODO there are many issues with symbolic links on Windows
- if (OsUtils.isUNIX()) {
- Path link = fs.getPath(remFile2Path);
- Path linkParent = link.getParent();
- Path relPath = linkParent.relativize(file1);
- outputDebugMessage("Create symlink %s => %s", link, relPath);
- Files.createSymbolicLink(link, relPath);
- assertTrue("Not a symbolic link: " + link, Files.isSymbolicLink(link));
-
- Path symLink = Files.readSymbolicLink(link);
- assertEquals("mismatched symbolic link name", relPath.toString(), symLink.toString());
-
- outputDebugMessage("Delete symlink %s", link);
- Files.delete(link);
- }
-
- attrs = Files.readAttributes(file1, "*", LinkOption.NOFOLLOW_LINKS);
- outputDebugMessage("%s no-follow attributes: %s", file1, attrs);
- assertEquals("Mismatched symlink data", expected, new String(Files.readAllBytes(file1), StandardCharsets.UTF_8));
-
- try (FileChannel channel = FileChannel.open(file1)) {
- try (FileLock lock = channel.lock()) {
- outputDebugMessage("Lock %s: %s", file1, lock);
-
- try (FileChannel channel2 = FileChannel.open(file1)) {
- try (FileLock lock2 = channel2.lock()) {
- fail("Unexpected success in re-locking " + file1 + ": " + lock2);
- } catch (OverlappingFileLockException e) {
- // expected
- }
- }
- }
- }
-
- Files.delete(file1);
- }
-
- private URI createDefaultFileSystemURI() {
- return createDefaultFileSystemURI(Collections.emptyMap());
- }
-
- private URI createDefaultFileSystemURI(Map<String, ?> params) {
- return createFileSystemURI(getCurrentTestName(), params);
- }
-
- private URI createFileSystemURI(String username, Map<String, ?> params) {
- return createFileSystemURI(username, port, params);
- }
-
- private static URI createFileSystemURI(String username, int port, Map<String, ?> params) {
- return SftpFileSystemProvider.createFileSystemURI(TEST_LOCALHOST, port, username, username, params);
- }
-}
[14/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirectoryStream.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirectoryStream.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirectoryStream.java
new file mode 100644
index 0000000..5f48966
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirectoryStream.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Path;
+import java.util.Iterator;
+
+/**
+ * Implements a remote {@link DirectoryStream}
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpDirectoryStream implements DirectoryStream<Path> {
+ private final SftpClient sftp;
+ private final Iterable<SftpClient.DirEntry> iter;
+ private final SftpPath p;
+
+ /**
+ * @param path The remote {@link SftpPath}
+ * @throws IOException If failed to initialize the directory access handle
+ */
+ public SftpDirectoryStream(SftpPath path) throws IOException {
+ SftpFileSystem fs = path.getFileSystem();
+ p = path;
+ sftp = fs.getClient();
+ iter = sftp.readDir(path.toString());
+ }
+
+ /**
+ * Client instance used to access the remote directory
+ *
+ * @return The {@link SftpClient} instance used to access the remote directory
+ */
+ public final SftpClient getClient() {
+ return sftp;
+ }
+
+ @Override
+ public Iterator<Path> iterator() {
+ return new SftpPathIterator(p, iter);
+ }
+
+ @Override
+ public void close() throws IOException {
+ sftp.close();
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileStore.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileStore.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileStore.java
new file mode 100644
index 0000000..8a6f1f1
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileStore.java
@@ -0,0 +1,105 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.FileStore;
+import java.nio.file.FileSystem;
+import java.nio.file.attribute.FileAttributeView;
+import java.nio.file.attribute.FileStoreAttributeView;
+import java.util.Collection;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.util.GenericUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpFileStore extends FileStore {
+ private final SftpFileSystem fs;
+ private final String name;
+
+ public SftpFileStore(String name, SftpFileSystem fs) {
+ this.name = name;
+ this.fs = fs;
+ }
+
+ public final SftpFileSystem getFileSystem() {
+ return fs;
+ }
+
+ @Override
+ public String name() {
+ return name;
+ }
+
+ @Override
+ public String type() {
+ return SftpConstants.SFTP_SUBSYSTEM_NAME;
+ }
+
+ @Override
+ public boolean isReadOnly() {
+ return false;
+ }
+
+ @Override
+ public long getTotalSpace() throws IOException {
+ return Long.MAX_VALUE; // TODO use SFTPv6 space-available extension
+ }
+
+ @Override
+ public long getUsableSpace() throws IOException {
+ return Long.MAX_VALUE;
+ }
+
+ @Override
+ public long getUnallocatedSpace() throws IOException {
+ return Long.MAX_VALUE;
+ }
+
+ @Override
+ public boolean supportsFileAttributeView(Class<? extends FileAttributeView> type) {
+ SftpFileSystem sftpFs = getFileSystem();
+ SftpFileSystemProvider provider = sftpFs.provider();
+ return provider.isSupportedFileAttributeView(sftpFs, type);
+ }
+
+ @Override
+ public boolean supportsFileAttributeView(String name) {
+ if (GenericUtils.isEmpty(name)) {
+ return false; // debug breakpoint
+ }
+
+ FileSystem sftpFs = getFileSystem();
+ Collection<String> views = sftpFs.supportedFileAttributeViews();
+ return !GenericUtils.isEmpty(views) && views.contains(name);
+ }
+
+ @Override
+ public <V extends FileStoreAttributeView> V getFileStoreAttributeView(Class<V> type) {
+ return null; // no special views supported
+ }
+
+ @Override
+ public Object getAttribute(String attribute) throws IOException {
+ return null; // no special attributes supported
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystem.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystem.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystem.java
new file mode 100644
index 0000000..0ea8cd7
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystem.java
@@ -0,0 +1,598 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.StreamCorruptedException;
+import java.nio.charset.Charset;
+import java.nio.file.FileStore;
+import java.nio.file.FileSystemException;
+import java.nio.file.attribute.GroupPrincipal;
+import java.nio.file.attribute.UserPrincipal;
+import java.nio.file.attribute.UserPrincipalLookupService;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.NavigableMap;
+import java.util.Objects;
+import java.util.Queue;
+import java.util.Set;
+import java.util.TreeSet;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.apache.sshd.client.channel.ClientChannel;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.session.ClientSessionHolder;
+import org.apache.sshd.client.subsystem.sftp.impl.AbstractSftpClient;
+import org.apache.sshd.common.file.util.BaseFileSystem;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+
+public class SftpFileSystem extends BaseFileSystem<SftpPath> implements ClientSessionHolder {
+ public static final String POOL_SIZE_PROP = "sftp-fs-pool-size";
+ public static final int DEFAULT_POOL_SIZE = 8;
+
+ public static final Set<String> UNIVERSAL_SUPPORTED_VIEWS =
+ Collections.unmodifiableSet(
+ GenericUtils.asSortedSet(String.CASE_INSENSITIVE_ORDER,
+ "basic", "posix", "owner"));
+
+ private final String id;
+ private final ClientSession clientSession;
+ private final SftpClientFactory factory;
+ private final SftpVersionSelector selector;
+ private final Queue<SftpClient> pool;
+ private final ThreadLocal<Wrapper> wrappers = new ThreadLocal<>();
+ private final int version;
+ private final Set<String> supportedViews;
+ private SftpPath defaultDir;
+ private int readBufferSize = SftpClient.DEFAULT_READ_BUFFER_SIZE;
+ private int writeBufferSize = SftpClient.DEFAULT_WRITE_BUFFER_SIZE;
+ private final List<FileStore> stores;
+
+ public SftpFileSystem(SftpFileSystemProvider provider, String id, ClientSession session, SftpClientFactory factory, SftpVersionSelector selector) throws IOException {
+ super(provider);
+ this.id = id;
+ this.clientSession = Objects.requireNonNull(session, "No client session");
+ this.factory = factory != null ? factory : SftpClientFactory.instance();
+ this.selector = selector;
+ this.stores = Collections.unmodifiableList(Collections.<FileStore>singletonList(new SftpFileStore(id, this)));
+ this.pool = new LinkedBlockingQueue<>(session.getIntProperty(POOL_SIZE_PROP, DEFAULT_POOL_SIZE));
+ try (SftpClient client = getClient()) {
+ version = client.getVersion();
+ defaultDir = getPath(client.canonicalPath("."));
+ }
+
+ if (version >= SftpConstants.SFTP_V4) {
+ Set<String> views = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
+ views.addAll(UNIVERSAL_SUPPORTED_VIEWS);
+ views.add("acl");
+ supportedViews = Collections.unmodifiableSet(views);
+ } else {
+ supportedViews = UNIVERSAL_SUPPORTED_VIEWS;
+ }
+ }
+
+ public final SftpVersionSelector getSftpVersionSelector() {
+ return selector;
+ }
+
+ public final String getId() {
+ return id;
+ }
+
+ public final int getVersion() {
+ return version;
+ }
+
+ @Override
+ public SftpFileSystemProvider provider() {
+ return (SftpFileSystemProvider) super.provider();
+ }
+
+ @Override // NOTE: co-variant return
+ public List<FileStore> getFileStores() {
+ return this.stores;
+ }
+
+ public int getReadBufferSize() {
+ return readBufferSize;
+ }
+
+ public void setReadBufferSize(int size) {
+ if (size < SftpClient.MIN_READ_BUFFER_SIZE) {
+ throw new IllegalArgumentException("Insufficient read buffer size: " + size + ", min.=" + SftpClient.MIN_READ_BUFFER_SIZE);
+ }
+
+ readBufferSize = size;
+ }
+
+ public int getWriteBufferSize() {
+ return writeBufferSize;
+ }
+
+ public void setWriteBufferSize(int size) {
+ if (size < SftpClient.MIN_WRITE_BUFFER_SIZE) {
+ throw new IllegalArgumentException("Insufficient write buffer size: " + size + ", min.=" + SftpClient.MIN_WRITE_BUFFER_SIZE);
+ }
+
+ writeBufferSize = size;
+ }
+
+ @Override
+ protected SftpPath create(String root, List<String> names) {
+ return new SftpPath(this, root, names);
+ }
+
+ @Override
+ public ClientSession getClientSession() {
+ return clientSession;
+ }
+
+ @SuppressWarnings("synthetic-access")
+ public SftpClient getClient() throws IOException {
+ Wrapper wrapper = wrappers.get();
+ if (wrapper == null) {
+ while (wrapper == null) {
+ SftpClient client = pool.poll();
+ if (client == null) {
+ ClientSession session = getClientSession();
+ client = factory.createSftpClient(session, getSftpVersionSelector());
+ }
+ if (!client.isClosing()) {
+ wrapper = new Wrapper(client, getReadBufferSize(), getWriteBufferSize());
+ }
+ }
+ wrappers.set(wrapper);
+ } else {
+ wrapper.increment();
+ }
+ return wrapper;
+ }
+
+ @Override
+ public void close() throws IOException {
+ if (isOpen()) {
+ SftpFileSystemProvider provider = provider();
+ String fsId = getId();
+ SftpFileSystem fs = provider.removeFileSystem(fsId);
+ ClientSession session = getClientSession();
+ session.close(true);
+
+ if ((fs != null) && (fs != this)) {
+ throw new FileSystemException(fsId, fsId, "Mismatched FS instance for id=" + fsId);
+ }
+ }
+ }
+
+ @Override
+ public boolean isOpen() {
+ ClientSession session = getClientSession();
+ return session.isOpen();
+ }
+
+ @Override
+ public Set<String> supportedFileAttributeViews() {
+ return supportedViews;
+ }
+
+ @Override
+ public UserPrincipalLookupService getUserPrincipalLookupService() {
+ return DefaultUserPrincipalLookupService.INSTANCE;
+ }
+
+ @Override
+ public SftpPath getDefaultDir() {
+ return defaultDir;
+ }
+
+ @Override
+ public String toString() {
+ return getClass().getSimpleName() + "[" + String.valueOf(getClientSession()) + "]";
+ }
+
+ private final class Wrapper extends AbstractSftpClient {
+ private final SftpClient delegate;
+ private final AtomicInteger count = new AtomicInteger(1);
+ private final int readSize;
+ private final int writeSize;
+
+ private Wrapper(SftpClient delegate, int readSize, int writeSize) {
+ this.delegate = delegate;
+ this.readSize = readSize;
+ this.writeSize = writeSize;
+ }
+
+ @Override
+ public int getVersion() {
+ return delegate.getVersion();
+ }
+
+ @Override
+ public ClientSession getClientSession() {
+ return delegate.getClientSession();
+ }
+
+ @Override
+ public ClientChannel getClientChannel() {
+ return delegate.getClientChannel();
+ }
+
+ @Override
+ public NavigableMap<String, byte[]> getServerExtensions() {
+ return delegate.getServerExtensions();
+ }
+
+ @Override
+ public Charset getNameDecodingCharset() {
+ return delegate.getNameDecodingCharset();
+ }
+
+ @Override
+ public void setNameDecodingCharset(Charset cs) {
+ delegate.setNameDecodingCharset(cs);
+ }
+
+ @Override
+ public boolean isClosing() {
+ return false;
+ }
+
+ @Override
+ public boolean isOpen() {
+ return count.get() > 0;
+ }
+
+ @SuppressWarnings("synthetic-access")
+ @Override
+ public void close() throws IOException {
+ if (count.decrementAndGet() <= 0) {
+ if (!pool.offer(delegate)) {
+ delegate.close();
+ }
+ wrappers.set(null);
+ }
+ }
+
+ public void increment() {
+ count.incrementAndGet();
+ }
+
+ @Override
+ public CloseableHandle open(String path, Collection<OpenMode> options) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("open(" + path + ")[" + options + "] client is closed");
+ }
+ return delegate.open(path, options);
+ }
+
+ @Override
+ public void close(Handle handle) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("close(" + handle + ") client is closed");
+ }
+ delegate.close(handle);
+ }
+
+ @Override
+ public void remove(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("remove(" + path + ") client is closed");
+ }
+ delegate.remove(path);
+ }
+
+ @Override
+ public void rename(String oldPath, String newPath, Collection<CopyMode> options) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("rename(" + oldPath + " => " + newPath + ")[" + options + "] client is closed");
+ }
+ delegate.rename(oldPath, newPath, options);
+ }
+
+ @Override
+ public int read(Handle handle, long fileOffset, byte[] dst, int dstOffset, int len) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("read(" + handle + "/" + fileOffset + ")[" + dstOffset + "/" + len + "] client is closed");
+ }
+ return delegate.read(handle, fileOffset, dst, dstOffset, len);
+ }
+
+ @Override
+ public void write(Handle handle, long fileOffset, byte[] src, int srcOffset, int len) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("write(" + handle + "/" + fileOffset + ")[" + srcOffset + "/" + len + "] client is closed");
+ }
+ delegate.write(handle, fileOffset, src, srcOffset, len);
+ }
+
+ @Override
+ public void mkdir(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("mkdir(" + path + ") client is closed");
+ }
+ delegate.mkdir(path);
+ }
+
+ @Override
+ public void rmdir(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("rmdir(" + path + ") client is closed");
+ }
+ delegate.rmdir(path);
+ }
+
+ @Override
+ public CloseableHandle openDir(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("openDir(" + path + ") client is closed");
+ }
+ return delegate.openDir(path);
+ }
+
+ @Override
+ public List<DirEntry> readDir(Handle handle) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("readDir(" + handle + ") client is closed");
+ }
+ return delegate.readDir(handle);
+ }
+
+ @Override
+ public Iterable<DirEntry> listDir(Handle handle) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("readDir(" + handle + ") client is closed");
+ }
+ return delegate.listDir(handle);
+ }
+
+ @Override
+ public String canonicalPath(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("canonicalPath(" + path + ") client is closed");
+ }
+ return delegate.canonicalPath(path);
+ }
+
+ @Override
+ public Attributes stat(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("stat(" + path + ") client is closed");
+ }
+ return delegate.stat(path);
+ }
+
+ @Override
+ public Attributes lstat(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("lstat(" + path + ") client is closed");
+ }
+ return delegate.lstat(path);
+ }
+
+ @Override
+ public Attributes stat(Handle handle) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("stat(" + handle + ") client is closed");
+ }
+ return delegate.stat(handle);
+ }
+
+ @Override
+ public void setStat(String path, Attributes attributes) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("setStat(" + path + ")[" + attributes + "] client is closed");
+ }
+ delegate.setStat(path, attributes);
+ }
+
+ @Override
+ public void setStat(Handle handle, Attributes attributes) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("setStat(" + handle + ")[" + attributes + "] client is closed");
+ }
+ delegate.setStat(handle, attributes);
+ }
+
+ @Override
+ public String readLink(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("readLink(" + path + ") client is closed");
+ }
+ return delegate.readLink(path);
+ }
+
+ @Override
+ public void symLink(String linkPath, String targetPath) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("symLink(" + linkPath + " => " + targetPath + ") client is closed");
+ }
+ delegate.symLink(linkPath, targetPath);
+ }
+
+ @Override
+ public Iterable<DirEntry> readDir(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("readDir(" + path + ") client is closed");
+ }
+ return delegate.readDir(path);
+ }
+
+ @Override
+ public InputStream read(String path) throws IOException {
+ return read(path, readSize);
+ }
+
+ @Override
+ public InputStream read(String path, OpenMode... mode) throws IOException {
+ return read(path, readSize, mode);
+ }
+
+ @Override
+ public InputStream read(String path, Collection<OpenMode> mode) throws IOException {
+ return read(path, readSize, mode);
+ }
+
+ @Override
+ public InputStream read(String path, int bufferSize, Collection<OpenMode> mode) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("read(" + path + ")[" + mode + "] size=" + bufferSize + ": client is closed");
+ }
+ return delegate.read(path, bufferSize, mode);
+ }
+
+ @Override
+ public OutputStream write(String path) throws IOException {
+ return write(path, writeSize);
+ }
+
+ @Override
+ public OutputStream write(String path, OpenMode... mode) throws IOException {
+ return write(path, writeSize, mode);
+ }
+
+ @Override
+ public OutputStream write(String path, Collection<OpenMode> mode) throws IOException {
+ return write(path, writeSize, mode);
+ }
+
+ @Override
+ public OutputStream write(String path, int bufferSize, Collection<OpenMode> mode) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("write(" + path + ")[" + mode + "] size=" + bufferSize + ": client is closed");
+ }
+ return delegate.write(path, bufferSize, mode);
+ }
+
+ @Override
+ public void link(String linkPath, String targetPath, boolean symbolic) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("link(" + linkPath + " => " + targetPath + "] symbolic=" + symbolic + ": client is closed");
+ }
+ delegate.link(linkPath, targetPath, symbolic);
+ }
+
+ @Override
+ public void lock(Handle handle, long offset, long length, int mask) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("lock(" + handle + ")[offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask) + "] client is closed");
+ }
+ delegate.lock(handle, offset, length, mask);
+ }
+
+ @Override
+ public void unlock(Handle handle, long offset, long length) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("unlock" + handle + ")[offset=" + offset + ", length=" + length + "] client is closed");
+ }
+ delegate.unlock(handle, offset, length);
+ }
+
+ @Override
+ public int send(int cmd, Buffer buffer) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("send(cmd=" + SftpConstants.getCommandMessageName(cmd) + ") client is closed");
+ }
+
+ if (delegate instanceof RawSftpClient) {
+ return ((RawSftpClient) delegate).send(cmd, buffer);
+ } else {
+ throw new StreamCorruptedException("send(cmd=" + SftpConstants.getCommandMessageName(cmd) + ") delegate is not a " + RawSftpClient.class.getSimpleName());
+ }
+ }
+
+ @Override
+ public Buffer receive(int id) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("receive(id=" + id + ") client is closed");
+ }
+
+ if (delegate instanceof RawSftpClient) {
+ return ((RawSftpClient) delegate).receive(id);
+ } else {
+ throw new StreamCorruptedException("receive(id=" + id + ") delegate is not a " + RawSftpClient.class.getSimpleName());
+ }
+ }
+ }
+
+ public static class DefaultUserPrincipalLookupService extends UserPrincipalLookupService {
+ public static final DefaultUserPrincipalLookupService INSTANCE = new DefaultUserPrincipalLookupService();
+
+ public DefaultUserPrincipalLookupService() {
+ super();
+ }
+
+ @Override
+ public UserPrincipal lookupPrincipalByName(String name) throws IOException {
+ return new DefaultUserPrincipal(name);
+ }
+
+ @Override
+ public GroupPrincipal lookupPrincipalByGroupName(String group) throws IOException {
+ return new DefaultGroupPrincipal(group);
+ }
+ }
+
+ public static class DefaultUserPrincipal implements UserPrincipal {
+
+ private final String name;
+
+ public DefaultUserPrincipal(String name) {
+ this.name = Objects.requireNonNull(name, "name is null");
+ }
+
+ @Override
+ public final String getName() {
+ return name;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ DefaultUserPrincipal that = (DefaultUserPrincipal) o;
+ return Objects.equals(this.getName(), that.getName());
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hashCode(getName());
+ }
+
+ @Override
+ public String toString() {
+ return getName();
+ }
+ }
+
+ public static class DefaultGroupPrincipal extends DefaultUserPrincipal implements GroupPrincipal {
+
+ public DefaultGroupPrincipal(String name) {
+ super(name);
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemChannel.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemChannel.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemChannel.java
new file mode 100644
index 0000000..40948bf
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemChannel.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Objects;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpFileSystemChannel extends SftpRemotePathChannel {
+ public SftpFileSystemChannel(SftpPath p, Collection<SftpClient.OpenMode> modes) throws IOException {
+ this(Objects.requireNonNull(p, "No target path").toString(), p.getFileSystem(), modes);
+ }
+
+ public SftpFileSystemChannel(String remotePath, SftpFileSystem fs, Collection<SftpClient.OpenMode> modes) throws IOException {
+ super(remotePath, Objects.requireNonNull(fs, "No SFTP file system").getClient(), true, modes);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemProvider.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemProvider.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemProvider.java
new file mode 100644
index 0000000..df33c61
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemProvider.java
@@ -0,0 +1,1255 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.InetSocketAddress;
+import java.net.SocketAddress;
+import java.net.URI;
+import java.nio.channels.FileChannel;
+import java.nio.charset.Charset;
+import java.nio.file.AccessDeniedException;
+import java.nio.file.AccessMode;
+import java.nio.file.CopyOption;
+import java.nio.file.DirectoryStream;
+import java.nio.file.FileAlreadyExistsException;
+import java.nio.file.FileStore;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystemAlreadyExistsException;
+import java.nio.file.FileSystemException;
+import java.nio.file.FileSystemNotFoundException;
+import java.nio.file.LinkOption;
+import java.nio.file.NoSuchFileException;
+import java.nio.file.OpenOption;
+import java.nio.file.Path;
+import java.nio.file.ProviderMismatchException;
+import java.nio.file.StandardCopyOption;
+import java.nio.file.attribute.AclEntry;
+import java.nio.file.attribute.AclFileAttributeView;
+import java.nio.file.attribute.BasicFileAttributeView;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.nio.file.attribute.FileAttribute;
+import java.nio.file.attribute.FileAttributeView;
+import java.nio.file.attribute.FileOwnerAttributeView;
+import java.nio.file.attribute.FileTime;
+import java.nio.file.attribute.GroupPrincipal;
+import java.nio.file.attribute.PosixFileAttributeView;
+import java.nio.file.attribute.PosixFileAttributes;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.UserPrincipal;
+import java.nio.file.spi.FileSystemProvider;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Map;
+import java.util.NavigableMap;
+import java.util.Objects;
+import java.util.Set;
+import java.util.TreeMap;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.sshd.client.SshClient;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Attributes;
+import org.apache.sshd.common.PropertyResolver;
+import org.apache.sshd.common.PropertyResolverUtils;
+import org.apache.sshd.common.SshException;
+import org.apache.sshd.common.config.SshConfigFileReader;
+import org.apache.sshd.common.io.IoSession;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.NumberUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * A registered {@link FileSystemProvider} that registers the "sftp://"
+ * scheme so that URLs with this protocol are handled as remote SFTP {@link Path}-s
+ * - e.g., "{@code sftp://user:password@host/remote/file/path}"
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpFileSystemProvider extends FileSystemProvider {
+ public static final String READ_BUFFER_PROP_NAME = "sftp-fs-read-buffer-size";
+ public static final int DEFAULT_READ_BUFFER_SIZE = SftpClient.DEFAULT_READ_BUFFER_SIZE;
+ public static final String WRITE_BUFFER_PROP_NAME = "sftp-fs-write-buffer-size";
+ public static final int DEFAULT_WRITE_BUFFER_SIZE = SftpClient.DEFAULT_WRITE_BUFFER_SIZE;
+ public static final String CONNECT_TIME_PROP_NAME = "sftp-fs-connect-time";
+ public static final long DEFAULT_CONNECT_TIME = SftpClient.DEFAULT_WAIT_TIMEOUT;
+ public static final String AUTH_TIME_PROP_NAME = "sftp-fs-auth-time";
+ public static final long DEFAULT_AUTH_TIME = SftpClient.DEFAULT_WAIT_TIMEOUT;
+ public static final String NAME_DECORDER_CHARSET_PROP_NAME = "sftp-fs-name-decoder-charset";
+ public static final Charset DEFAULT_NAME_DECODER_CHARSET = SftpClient.DEFAULT_NAME_DECODING_CHARSET;
+
+ /**
+ * <P>
+ * URI parameter that can be used to specify a special version selection. Options are:
+ * </P>
+ * <UL>
+ * <LI>{@code max} - select maximum available version for the client</LI>
+ * <LI>{@code min} - select minimum available version for the client</LI>
+ * <LI>{@code current} - whatever version is reported by the server</LI>
+ * <LI>{@code nnn} - select <U>only</U> the specified version</LI>
+ * <LI>{@code a,b,c} - select one of the specified versions (if available) in preference order</LI>
+ * </UL>
+ */
+ public static final String VERSION_PARAM = "version";
+
+ public static final Set<Class<? extends FileAttributeView>> UNIVERSAL_SUPPORTED_VIEWS =
+ Collections.unmodifiableSet(GenericUtils.asSet(
+ PosixFileAttributeView.class,
+ FileOwnerAttributeView.class,
+ BasicFileAttributeView.class
+ ));
+
+ protected final Logger log;
+
+ private final SshClient client;
+ private final SftpClientFactory factory;
+ private final SftpVersionSelector selector;
+ private final NavigableMap<String, SftpFileSystem> fileSystems = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+
+ public SftpFileSystemProvider() {
+ this((SshClient) null);
+ }
+
+ public SftpFileSystemProvider(SftpVersionSelector selector) {
+ this(null, selector);
+ }
+
+ /**
+ * @param client The {@link SshClient} to use - if {@code null} then a
+ * default one will be setup and started. Otherwise, it is assumed that
+ * the client has already been started
+ * @see SshClient#setUpDefaultClient()
+ */
+ public SftpFileSystemProvider(SshClient client) {
+ this(client, SftpVersionSelector.CURRENT);
+ }
+
+ public SftpFileSystemProvider(SshClient client, SftpVersionSelector selector) {
+ this(client, null, selector);
+ }
+
+ public SftpFileSystemProvider(SshClient client, SftpClientFactory factory, SftpVersionSelector selector) {
+ this.log = LoggerFactory.getLogger(getClass());
+ this.factory = factory;
+ this.selector = selector;
+ if (client == null) {
+ // TODO: make this configurable using system properties
+ client = SshClient.setUpDefaultClient();
+ client.start();
+ }
+ this.client = client;
+ }
+
+ @Override
+ public String getScheme() {
+ return SftpConstants.SFTP_SUBSYSTEM_NAME;
+ }
+
+ public final SftpVersionSelector getSftpVersionSelector() {
+ return selector;
+ }
+
+ @Override // NOTE: co-variant return
+ public SftpFileSystem newFileSystem(URI uri, Map<String, ?> env) throws IOException {
+ String host = ValidateUtils.checkNotNullAndNotEmpty(uri.getHost(), "Host not provided");
+ int port = uri.getPort();
+ if (port <= 0) {
+ port = SshConfigFileReader.DEFAULT_PORT;
+ }
+
+ String userInfo = ValidateUtils.checkNotNullAndNotEmpty(uri.getUserInfo(), "UserInfo not provided");
+ String[] ui = GenericUtils.split(userInfo, ':');
+ ValidateUtils.checkTrue(GenericUtils.length(ui) == 2, "Invalid user info: %s", userInfo);
+
+ String username = ui[0];
+ String password = ui[1];
+ String id = getFileSystemIdentifier(host, port, username);
+ Map<String, Object> params = resolveFileSystemParameters(env, parseURIParameters(uri));
+ PropertyResolver resolver = PropertyResolverUtils.toPropertyResolver(params);
+ SftpVersionSelector selector = resolveSftpVersionSelector(uri, getSftpVersionSelector(), resolver);
+ Charset decodingCharset =
+ PropertyResolverUtils.getCharset(resolver, NAME_DECORDER_CHARSET_PROP_NAME, DEFAULT_NAME_DECODER_CHARSET);
+ long maxConnectTime = resolver.getLongProperty(CONNECT_TIME_PROP_NAME, DEFAULT_CONNECT_TIME);
+ long maxAuthTime = resolver.getLongProperty(AUTH_TIME_PROP_NAME, DEFAULT_AUTH_TIME);
+
+ SftpFileSystem fileSystem;
+ synchronized (fileSystems) {
+ if (fileSystems.containsKey(id)) {
+ throw new FileSystemAlreadyExistsException(id);
+ }
+
+ // TODO try and find a way to avoid doing this while locking the file systems cache
+ ClientSession session = null;
+ try {
+ session = client.connect(username, host, port)
+ .verify(maxConnectTime)
+ .getSession();
+ if (GenericUtils.size(params) > 0) {
+ // Cannot use forEach because the session is not effectively final
+ for (Map.Entry<String, ?> pe : params.entrySet()) {
+ String key = pe.getKey();
+ Object value = pe.getValue();
+ if (VERSION_PARAM.equalsIgnoreCase(key)) {
+ continue;
+ }
+
+ PropertyResolverUtils.updateProperty(session, key, value);
+ }
+
+ PropertyResolverUtils.updateProperty(session, SftpClient.NAME_DECODING_CHARSET, decodingCharset);
+ }
+
+ session.addPasswordIdentity(password);
+ session.auth().verify(maxAuthTime);
+
+ fileSystem = new SftpFileSystem(this, id, session, factory, selector);
+ fileSystems.put(id, fileSystem);
+ } catch (Exception e) {
+ if (session != null) {
+ try {
+ session.close();
+ } catch (IOException t) {
+ if (log.isDebugEnabled()) {
+ log.debug("Failed (" + t.getClass().getSimpleName() + ")"
+ + " to close session for new file system on " + host + ":" + port
+ + " due to " + e.getClass().getSimpleName() + "[" + e.getMessage() + "]"
+ + ": " + t.getMessage());
+ }
+ }
+ }
+
+ if (e instanceof IOException) {
+ throw (IOException) e;
+ } else if (e instanceof RuntimeException) {
+ throw (RuntimeException) e;
+ } else {
+ throw new IOException(e);
+ }
+ }
+ }
+
+ fileSystem.setReadBufferSize(resolver.getIntProperty(READ_BUFFER_PROP_NAME, DEFAULT_READ_BUFFER_SIZE));
+ fileSystem.setWriteBufferSize(resolver.getIntProperty(WRITE_BUFFER_PROP_NAME, DEFAULT_WRITE_BUFFER_SIZE));
+ if (log.isDebugEnabled()) {
+ log.debug("newFileSystem({}): {}", uri.toASCIIString(), fileSystem);
+ }
+ return fileSystem;
+ }
+
+ protected SftpVersionSelector resolveSftpVersionSelector(URI uri, SftpVersionSelector defaultSelector, PropertyResolver resolver) {
+ String preference = resolver.getString(VERSION_PARAM);
+ if (GenericUtils.isEmpty(preference)) {
+ return defaultSelector;
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("resolveSftpVersionSelector({}) preference={}", uri, preference);
+ }
+
+ if ("max".equalsIgnoreCase(preference)) {
+ return SftpVersionSelector.MAXIMUM;
+ } else if ("min".equalsIgnoreCase(preference)) {
+ return SftpVersionSelector.MINIMUM;
+ } else if ("current".equalsIgnoreCase(preference)) {
+ return SftpVersionSelector.CURRENT;
+ }
+
+ String[] values = GenericUtils.split(preference, ',');
+ if (values.length == 1) {
+ return SftpVersionSelector.fixedVersionSelector(Integer.parseInt(values[0]));
+ }
+
+ int[] preferred = new int[values.length];
+ for (int index = 0; index < values.length; index++) {
+ preferred[index] = Integer.parseInt(values[index]);
+ }
+
+ return SftpVersionSelector.preferredVersionSelector(preferred);
+ }
+
+ // NOTE: URI parameters override environment ones
+ public static Map<String, Object> resolveFileSystemParameters(Map<String, ?> env, Map<String, Object> uriParams) {
+ if (GenericUtils.isEmpty(env)) {
+ return GenericUtils.isEmpty(uriParams) ? Collections.emptyMap() : uriParams;
+ } else if (GenericUtils.isEmpty(uriParams)) {
+ return Collections.unmodifiableMap(env);
+ }
+
+ Map<String, Object> resolved = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ resolved.putAll(env);
+ resolved.putAll(uriParams);
+ return resolved;
+ }
+
+ public static Map<String, Object> parseURIParameters(URI uri) {
+ return parseURIParameters((uri == null) ? "" : uri.getQuery());
+ }
+
+ public static Map<String, Object> parseURIParameters(String params) {
+ if (GenericUtils.isEmpty(params)) {
+ return Collections.emptyMap();
+ }
+
+ if (params.charAt(0) == '?') {
+ if (params.length() == 1) {
+ return Collections.emptyMap();
+ }
+ params = params.substring(1);
+ }
+
+ String[] pairs = GenericUtils.split(params, '&');
+ Map<String, Object> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ for (String p : pairs) {
+ int pos = p.indexOf('=');
+ if (pos < 0) {
+ map.put(p, Boolean.TRUE);
+ continue;
+ }
+
+ String key = p.substring(0, pos);
+ String value = p.substring(pos + 1);
+ if (NumberUtils.isIntegerNumber(value)) {
+ map.put(key, Long.parseLong(value));
+ } else {
+ map.put(key, value);
+ }
+ }
+
+ return map;
+ }
+
+ public SftpFileSystem newFileSystem(ClientSession session) throws IOException {
+ String id = getFileSystemIdentifier(session);
+ SftpFileSystem fileSystem;
+ synchronized (fileSystems) {
+ if (fileSystems.containsKey(id)) {
+ throw new FileSystemAlreadyExistsException(id);
+ }
+ fileSystem = new SftpFileSystem(this, id, session, factory, getSftpVersionSelector());
+ fileSystems.put(id, fileSystem);
+ }
+
+ fileSystem.setReadBufferSize(session.getIntProperty(READ_BUFFER_PROP_NAME, DEFAULT_READ_BUFFER_SIZE));
+ fileSystem.setWriteBufferSize(session.getIntProperty(WRITE_BUFFER_PROP_NAME, DEFAULT_WRITE_BUFFER_SIZE));
+ if (log.isDebugEnabled()) {
+ log.debug("newFileSystem: {}", fileSystem);
+ }
+
+ return fileSystem;
+ }
+
+ @Override
+ public FileSystem getFileSystem(URI uri) {
+ String id = getFileSystemIdentifier(uri);
+ SftpFileSystem fs = getFileSystem(id);
+ if (fs == null) {
+ throw new FileSystemNotFoundException(id);
+ }
+ return fs;
+ }
+
+ /**
+ * @param id File system identifier - ignored if {@code null}/empty
+ * @return The removed {@link SftpFileSystem} - {@code null} if no match
+ */
+ public SftpFileSystem removeFileSystem(String id) {
+ if (GenericUtils.isEmpty(id)) {
+ return null;
+ }
+
+ SftpFileSystem removed;
+ synchronized (fileSystems) {
+ removed = fileSystems.remove(id);
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("removeFileSystem({}): {}", id, removed);
+ }
+ return removed;
+ }
+
+ /**
+ * @param id File system identifier - ignored if {@code null}/empty
+ * @return The cached {@link SftpFileSystem} - {@code null} if no match
+ */
+ public SftpFileSystem getFileSystem(String id) {
+ if (GenericUtils.isEmpty(id)) {
+ return null;
+ }
+
+ synchronized (fileSystems) {
+ return fileSystems.get(id);
+ }
+ }
+
+ @Override
+ public Path getPath(URI uri) {
+ FileSystem fs = getFileSystem(uri);
+ return fs.getPath(uri.getPath());
+ }
+
+ @Override
+ public FileChannel newByteChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs) throws IOException {
+ return newFileChannel(path, options, attrs);
+ }
+
+ @Override
+ public FileChannel newFileChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs) throws IOException {
+ Collection<SftpClient.OpenMode> modes = SftpClient.OpenMode.fromOpenOptions(options);
+ if (modes.isEmpty()) {
+ modes = EnumSet.of(SftpClient.OpenMode.Read, SftpClient.OpenMode.Write);
+ }
+ // TODO: process file attributes
+ return new SftpFileSystemChannel(toSftpPath(path), modes);
+ }
+
+ @Override
+ public DirectoryStream<Path> newDirectoryStream(Path dir, DirectoryStream.Filter<? super Path> filter) throws IOException {
+ final SftpPath p = toSftpPath(dir);
+ return new SftpDirectoryStream(p);
+ }
+
+ @Override
+ public void createDirectory(Path dir, FileAttribute<?>... attrs) throws IOException {
+ SftpPath p = toSftpPath(dir);
+ SftpFileSystem fs = p.getFileSystem();
+ if (log.isDebugEnabled()) {
+ log.debug("createDirectory({}) {} ({})", fs, dir, Arrays.asList(attrs));
+ }
+ try (SftpClient sftp = fs.getClient()) {
+ try {
+ sftp.mkdir(dir.toString());
+ } catch (SftpException e) {
+ int sftpStatus = e.getStatus();
+ if ((sftp.getVersion() == SftpConstants.SFTP_V3) && (sftpStatus == SftpConstants.SSH_FX_FAILURE)) {
+ try {
+ Attributes attributes = sftp.stat(dir.toString());
+ if (attributes != null) {
+ throw new FileAlreadyExistsException(p.toString());
+ }
+ } catch (SshException e2) {
+ e.addSuppressed(e2);
+ }
+ }
+ if (sftpStatus == SftpConstants.SSH_FX_FILE_ALREADY_EXISTS) {
+ throw new FileAlreadyExistsException(p.toString());
+ }
+ throw e;
+ }
+ for (FileAttribute<?> attr : attrs) {
+ setAttribute(p, attr.name(), attr.value());
+ }
+ }
+ }
+
+ @Override
+ public void delete(Path path) throws IOException {
+ SftpPath p = toSftpPath(path);
+ checkAccess(p, AccessMode.WRITE);
+
+ SftpFileSystem fs = p.getFileSystem();
+ if (log.isDebugEnabled()) {
+ log.debug("delete({}) {}", fs, path);
+ }
+
+ try (SftpClient sftp = fs.getClient()) {
+ BasicFileAttributes attributes = readAttributes(path, BasicFileAttributes.class);
+ if (attributes.isDirectory()) {
+ sftp.rmdir(path.toString());
+ } else {
+ sftp.remove(path.toString());
+ }
+ }
+ }
+
+ @Override
+ public void copy(Path source, Path target, CopyOption... options) throws IOException {
+ SftpPath src = toSftpPath(source);
+ SftpPath dst = toSftpPath(target);
+ if (src.getFileSystem() != dst.getFileSystem()) {
+ throw new ProviderMismatchException("Mismatched file system providers for " + src + " vs. " + dst);
+ }
+ checkAccess(src);
+
+ boolean replaceExisting = false;
+ boolean copyAttributes = false;
+ boolean noFollowLinks = false;
+ for (CopyOption opt : options) {
+ replaceExisting |= opt == StandardCopyOption.REPLACE_EXISTING;
+ copyAttributes |= opt == StandardCopyOption.COPY_ATTRIBUTES;
+ noFollowLinks |= opt == LinkOption.NOFOLLOW_LINKS;
+ }
+ LinkOption[] linkOptions = IoUtils.getLinkOptions(!noFollowLinks);
+
+ // attributes of source file
+ BasicFileAttributes attrs = readAttributes(source, BasicFileAttributes.class, linkOptions);
+ if (attrs.isSymbolicLink()) {
+ throw new IOException("Copying of symbolic links not supported");
+ }
+
+ // delete target if it exists and REPLACE_EXISTING is specified
+ Boolean status = IoUtils.checkFileExists(target, linkOptions);
+ if (status == null) {
+ throw new AccessDeniedException("Existence cannot be determined for copy target: " + target);
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("copy({})[{}] {} => {}", src.getFileSystem(), Arrays.asList(options), src, dst);
+ }
+
+ if (replaceExisting) {
+ deleteIfExists(target);
+ } else {
+ if (status) {
+ throw new FileAlreadyExistsException(target.toString());
+ }
+ }
+
+ // create directory or copy file
+ if (attrs.isDirectory()) {
+ createDirectory(target);
+ } else {
+ try (InputStream in = newInputStream(source);
+ OutputStream os = newOutputStream(target)) {
+ IoUtils.copy(in, os);
+ }
+ }
+
+ // copy basic attributes to target
+ if (copyAttributes) {
+ BasicFileAttributeView view = getFileAttributeView(target, BasicFileAttributeView.class, linkOptions);
+ try {
+ view.setTimes(attrs.lastModifiedTime(), attrs.lastAccessTime(), attrs.creationTime());
+ } catch (Throwable x) {
+ // rollback
+ try {
+ delete(target);
+ } catch (Throwable suppressed) {
+ x.addSuppressed(suppressed);
+ }
+ throw x;
+ }
+ }
+ }
+
+ @Override
+ public void move(Path source, Path target, CopyOption... options) throws IOException {
+ SftpPath src = toSftpPath(source);
+ SftpFileSystem fsSrc = src.getFileSystem();
+ SftpPath dst = toSftpPath(target);
+
+ if (src.getFileSystem() != dst.getFileSystem()) {
+ throw new ProviderMismatchException("Mismatched file system providers for " + src + " vs. " + dst);
+ }
+ checkAccess(src);
+
+ boolean replaceExisting = false;
+ boolean copyAttributes = false;
+ boolean noFollowLinks = false;
+ for (CopyOption opt : options) {
+ replaceExisting |= opt == StandardCopyOption.REPLACE_EXISTING;
+ copyAttributes |= opt == StandardCopyOption.COPY_ATTRIBUTES;
+ noFollowLinks |= opt == LinkOption.NOFOLLOW_LINKS;
+ }
+ LinkOption[] linkOptions = IoUtils.getLinkOptions(noFollowLinks);
+
+ // attributes of source file
+ BasicFileAttributes attrs = readAttributes(source, BasicFileAttributes.class, linkOptions);
+ if (attrs.isSymbolicLink()) {
+ throw new IOException("Moving of source symbolic link (" + source + ") to " + target + " not supported");
+ }
+
+ // delete target if it exists and REPLACE_EXISTING is specified
+ Boolean status = IoUtils.checkFileExists(target, linkOptions);
+ if (status == null) {
+ throw new AccessDeniedException("Existence cannot be determined for move target " + target);
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("move({})[{}] {} => {}", src.getFileSystem(), Arrays.asList(options), src, dst);
+ }
+
+ if (replaceExisting) {
+ deleteIfExists(target);
+ } else if (status) {
+ throw new FileAlreadyExistsException(target.toString());
+ }
+
+ try (SftpClient sftp = fsSrc.getClient()) {
+ sftp.rename(src.toString(), dst.toString());
+ }
+
+ // copy basic attributes to target
+ if (copyAttributes) {
+ BasicFileAttributeView view = getFileAttributeView(target, BasicFileAttributeView.class, linkOptions);
+ try {
+ view.setTimes(attrs.lastModifiedTime(), attrs.lastAccessTime(), attrs.creationTime());
+ } catch (Throwable x) {
+ // rollback
+ try {
+ delete(target);
+ } catch (Throwable suppressed) {
+ x.addSuppressed(suppressed);
+ }
+ throw x;
+ }
+ }
+ }
+
+ @Override
+ public boolean isSameFile(Path path1, Path path2) throws IOException {
+ SftpPath p1 = toSftpPath(path1);
+ SftpPath p2 = toSftpPath(path2);
+ if (p1.getFileSystem() != p2.getFileSystem()) {
+ throw new ProviderMismatchException("Mismatched file system providers for " + p1 + " vs. " + p2);
+ }
+ checkAccess(p1);
+ checkAccess(p2);
+ return p1.equals(p2);
+ }
+
+ @Override
+ public boolean isHidden(Path path) throws IOException {
+ return false;
+ }
+
+ @Override
+ public FileStore getFileStore(Path path) throws IOException {
+ FileSystem fs = path.getFileSystem();
+ if (!(fs instanceof SftpFileSystem)) {
+ throw new FileSystemException(path.toString(), path.toString(), "getFileStore(" + path + ") path not attached to an SFTP file system");
+ }
+
+ SftpFileSystem sftpFs = (SftpFileSystem) fs;
+ String id = sftpFs.getId();
+ SftpFileSystem cached = getFileSystem(id);
+ if (cached != sftpFs) {
+ throw new FileSystemException(path.toString(), path.toString(), "Mismatched file system instance for id=" + id);
+ }
+
+ return sftpFs.getFileStores().get(0);
+ }
+
+ @Override
+ public void createSymbolicLink(Path link, Path target, FileAttribute<?>... attrs) throws IOException {
+ SftpPath l = toSftpPath(link);
+ SftpFileSystem fsLink = l.getFileSystem();
+ SftpPath t = toSftpPath(target);
+ if (fsLink != t.getFileSystem()) {
+ throw new ProviderMismatchException("Mismatched file system providers for " + l + " vs. " + t);
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("createSymbolicLink({})[{}] {} => {}", fsLink, Arrays.asList(attrs), link, target);
+ }
+
+ try (SftpClient client = fsLink.getClient()) {
+ client.symLink(l.toString(), t.toString());
+ }
+ }
+
+ @Override
+ public Path readSymbolicLink(Path link) throws IOException {
+ SftpPath l = toSftpPath(link);
+ SftpFileSystem fsLink = l.getFileSystem();
+ try (SftpClient client = fsLink.getClient()) {
+ String linkPath = client.readLink(l.toString());
+ if (log.isDebugEnabled()) {
+ log.debug("readSymbolicLink({})[{}] {} => {}", fsLink, link, linkPath);
+ }
+
+ return fsLink.getPath(linkPath);
+ }
+ }
+
+ @Override
+ public void checkAccess(Path path, AccessMode... modes) throws IOException {
+ SftpPath p = toSftpPath(path);
+ boolean w = false;
+ boolean x = false;
+ if (GenericUtils.length(modes) > 0) {
+ for (AccessMode mode : modes) {
+ switch (mode) {
+ case READ:
+ break;
+ case WRITE:
+ w = true;
+ break;
+ case EXECUTE:
+ x = true;
+ break;
+ default:
+ throw new UnsupportedOperationException("Unsupported mode: " + mode);
+ }
+ }
+ }
+
+ BasicFileAttributes attrs = getFileAttributeView(p, BasicFileAttributeView.class).readAttributes();
+ if ((attrs == null) && !(p.isAbsolute() && p.getNameCount() == 0)) {
+ throw new NoSuchFileException(path.toString());
+ }
+
+ SftpFileSystem fs = p.getFileSystem();
+ if (x || (w && fs.isReadOnly())) {
+ throw new AccessDeniedException("Filesystem is read-only: " + path.toString());
+ }
+ }
+
+ @Override
+ public <V extends FileAttributeView> V getFileAttributeView(Path path, Class<V> type, final LinkOption... options) {
+ if (isSupportedFileAttributeView(path, type)) {
+ if (AclFileAttributeView.class.isAssignableFrom(type)) {
+ return type.cast(new SftpAclFileAttributeView(this, path, options));
+ } else if (BasicFileAttributeView.class.isAssignableFrom(type)) {
+ return type.cast(new SftpPosixFileAttributeView(this, path, options));
+ }
+ }
+
+ throw new UnsupportedOperationException("getFileAttributeView(" + path + ") view not supported: " + type.getSimpleName());
+ }
+
+ public boolean isSupportedFileAttributeView(Path path, Class<? extends FileAttributeView> type) {
+ return isSupportedFileAttributeView(toSftpPath(path).getFileSystem(), type);
+ }
+
+ public boolean isSupportedFileAttributeView(SftpFileSystem fs, Class<? extends FileAttributeView> type) {
+ Collection<String> views = fs.supportedFileAttributeViews();
+ if ((type == null) || GenericUtils.isEmpty(views)) {
+ return false;
+ } else if (PosixFileAttributeView.class.isAssignableFrom(type)) {
+ return views.contains("posix");
+ } else if (AclFileAttributeView.class.isAssignableFrom(type)) {
+ return views.contains("acl"); // must come before owner view
+ } else if (FileOwnerAttributeView.class.isAssignableFrom(type)) {
+ return views.contains("owner");
+ } else if (BasicFileAttributeView.class.isAssignableFrom(type)) {
+ return views.contains("basic"); // must be last
+ } else {
+ return false;
+ }
+ }
+
+ @Override
+ public <A extends BasicFileAttributes> A readAttributes(Path path, Class<A> type, LinkOption... options) throws IOException {
+ if (type.isAssignableFrom(PosixFileAttributes.class)) {
+ return type.cast(getFileAttributeView(path, PosixFileAttributeView.class, options).readAttributes());
+ }
+
+ throw new UnsupportedOperationException("readAttributes(" + path + ")[" + type.getSimpleName() + "] N/A");
+ }
+
+ @Override
+ public Map<String, Object> readAttributes(Path path, String attributes, LinkOption... options) throws IOException {
+ String view;
+ String attrs;
+ int i = attributes.indexOf(':');
+ if (i == -1) {
+ view = "basic";
+ attrs = attributes;
+ } else {
+ view = attributes.substring(0, i++);
+ attrs = attributes.substring(i);
+ }
+
+ return readAttributes(path, view, attrs, options);
+ }
+
+ public Map<String, Object> readAttributes(Path path, String view, String attrs, LinkOption... options) throws IOException {
+ SftpPath p = toSftpPath(path);
+ SftpFileSystem fs = p.getFileSystem();
+ Collection<String> views = fs.supportedFileAttributeViews();
+ if (GenericUtils.isEmpty(views) || (!views.contains(view))) {
+ throw new UnsupportedOperationException("readAttributes(" + path + ")[" + view + ":" + attrs + "] view not supported: " + views);
+ }
+
+ if ("basic".equalsIgnoreCase(view) || "posix".equalsIgnoreCase(view) || "owner".equalsIgnoreCase(view)) {
+ return readPosixViewAttributes(p, view, attrs, options);
+ } else if ("acl".equalsIgnoreCase(view)) {
+ return readAclViewAttributes(p, view, attrs, options);
+ } else {
+ return readCustomViewAttributes(p, view, attrs, options);
+ }
+ }
+
+ protected Map<String, Object> readCustomViewAttributes(SftpPath path, String view, String attrs, LinkOption... options) throws IOException {
+ throw new UnsupportedOperationException("readCustomViewAttributes(" + path + ")[" + view + ":" + attrs + "] view not supported");
+ }
+
+ protected NavigableMap<String, Object> readAclViewAttributes(SftpPath path, String view, String attrs, LinkOption... options) throws IOException {
+ if ("*".equals(attrs)) {
+ attrs = "acl,owner";
+ }
+
+ SftpFileSystem fs = path.getFileSystem();
+ SftpClient.Attributes attributes;
+ try (SftpClient client = fs.getClient()) {
+ attributes = readRemoteAttributes(path, options);
+ }
+
+ NavigableMap<String, Object> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ String[] attrValues = GenericUtils.split(attrs, ',');
+ boolean traceEnabled = log.isTraceEnabled();
+ for (String attr : attrValues) {
+ switch (attr) {
+ case "acl":
+ List<AclEntry> acl = attributes.getAcl();
+ if (acl != null) {
+ map.put(attr, acl);
+ }
+ break;
+ case "owner":
+ String owner = attributes.getOwner();
+ if (GenericUtils.length(owner) > 0) {
+ map.put(attr, new SftpFileSystem.DefaultUserPrincipal(owner));
+ }
+ break;
+ default:
+ if (traceEnabled) {
+ log.trace("readAclViewAttributes({})[{}] unknown attribute: {}", fs, attrs, attr);
+ }
+ }
+ }
+
+ return map;
+ }
+
+ public SftpClient.Attributes readRemoteAttributes(SftpPath path, LinkOption... options) throws IOException {
+ SftpFileSystem fs = path.getFileSystem();
+ try (SftpClient client = fs.getClient()) {
+ try {
+ SftpClient.Attributes attrs;
+ if (IoUtils.followLinks(options)) {
+ attrs = client.stat(path.toString());
+ } else {
+ attrs = client.lstat(path.toString());
+ }
+ if (log.isTraceEnabled()) {
+ log.trace("readRemoteAttributes({})[{}]: {}", fs, path, attrs);
+ }
+ return attrs;
+ } catch (SftpException e) {
+ if (e.getStatus() == SftpConstants.SSH_FX_NO_SUCH_FILE) {
+ throw new NoSuchFileException(path.toString());
+ }
+ throw e;
+ }
+ }
+ }
+
+ protected NavigableMap<String, Object> readPosixViewAttributes(
+ SftpPath path, String view, String attrs, LinkOption... options)
+ throws IOException {
+ PosixFileAttributes v = readAttributes(path, PosixFileAttributes.class, options);
+ if ("*".equals(attrs)) {
+ attrs = "lastModifiedTime,lastAccessTime,creationTime,size,isRegularFile,isDirectory,isSymbolicLink,isOther,fileKey,owner,permissions,group";
+ }
+
+ NavigableMap<String, Object> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ boolean traceEnabled = log.isTraceEnabled();
+ String[] attrValues = GenericUtils.split(attrs, ',');
+ for (String attr : attrValues) {
+ switch (attr) {
+ case "lastModifiedTime":
+ map.put(attr, v.lastModifiedTime());
+ break;
+ case "lastAccessTime":
+ map.put(attr, v.lastAccessTime());
+ break;
+ case "creationTime":
+ map.put(attr, v.creationTime());
+ break;
+ case "size":
+ map.put(attr, v.size());
+ break;
+ case "isRegularFile":
+ map.put(attr, v.isRegularFile());
+ break;
+ case "isDirectory":
+ map.put(attr, v.isDirectory());
+ break;
+ case "isSymbolicLink":
+ map.put(attr, v.isSymbolicLink());
+ break;
+ case "isOther":
+ map.put(attr, v.isOther());
+ break;
+ case "fileKey":
+ map.put(attr, v.fileKey());
+ break;
+ case "owner":
+ map.put(attr, v.owner());
+ break;
+ case "permissions":
+ map.put(attr, v.permissions());
+ break;
+ case "group":
+ map.put(attr, v.group());
+ break;
+ default:
+ if (traceEnabled) {
+ log.trace("readPosixViewAttributes({})[{}:{}] ignored for {}", path, view, attr, attrs);
+ }
+ }
+ }
+ return map;
+ }
+
+ @Override
+ public void setAttribute(Path path, String attribute, Object value, LinkOption... options) throws IOException {
+ String view;
+ String attr;
+ int i = attribute.indexOf(':');
+ if (i == -1) {
+ view = "basic";
+ attr = attribute;
+ } else {
+ view = attribute.substring(0, i++);
+ attr = attribute.substring(i);
+ }
+
+ setAttribute(path, view, attr, value, options);
+ }
+
+ public void setAttribute(Path path, String view, String attr, Object value, LinkOption... options) throws IOException {
+ SftpPath p = toSftpPath(path);
+ SftpFileSystem fs = p.getFileSystem();
+ Collection<String> views = fs.supportedFileAttributeViews();
+ if (GenericUtils.isEmpty(views) || (!views.contains(view))) {
+ throw new UnsupportedOperationException("setAttribute(" + path + ")[" + view + ":" + attr + "=" + value + "] view " + view + " not supported: " + views);
+ }
+
+ SftpClient.Attributes attributes = new SftpClient.Attributes();
+ switch (attr) {
+ case "lastModifiedTime":
+ attributes.modifyTime((int) ((FileTime) value).to(TimeUnit.SECONDS));
+ break;
+ case "lastAccessTime":
+ attributes.accessTime((int) ((FileTime) value).to(TimeUnit.SECONDS));
+ break;
+ case "creationTime":
+ attributes.createTime((int) ((FileTime) value).to(TimeUnit.SECONDS));
+ break;
+ case "size":
+ attributes.size(((Number) value).longValue());
+ break;
+ case "permissions": {
+ @SuppressWarnings("unchecked")
+ Set<PosixFilePermission> attrSet = (Set<PosixFilePermission>) value;
+ attributes.perms(attributesToPermissions(path, attrSet));
+ break;
+ }
+ case "owner":
+ attributes.owner(((UserPrincipal) value).getName());
+ break;
+ case "group":
+ attributes.group(((GroupPrincipal) value).getName());
+ break;
+ case "acl": {
+ ValidateUtils.checkTrue("acl".equalsIgnoreCase(view), "ACL cannot be set via view=%s", view);
+ @SuppressWarnings("unchecked")
+ List<AclEntry> acl = (List<AclEntry>) value;
+ attributes.acl(acl);
+ break;
+ }
+ case "isRegularFile":
+ case "isDirectory":
+ case "isSymbolicLink":
+ case "isOther":
+ case "fileKey":
+ throw new UnsupportedOperationException("setAttribute(" + path + ")[" + view + ":" + attr + "=" + value + "] modification N/A");
+ default:
+ if (log.isTraceEnabled()) {
+ log.trace("setAttribute({})[{}] ignore {}:{}={}", fs, path, view, attr, value);
+ }
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("setAttribute({}) {}: {}", fs, path, attributes);
+ }
+
+ try (SftpClient client = fs.getClient()) {
+ client.setStat(p.toString(), attributes);
+ }
+ }
+
+ public SftpPath toSftpPath(Path path) {
+ Objects.requireNonNull(path, "No path provided");
+ if (!(path instanceof SftpPath)) {
+ throw new ProviderMismatchException("Path is not SFTP: " + path);
+ }
+ return (SftpPath) path;
+ }
+
+ protected int attributesToPermissions(Path path, Collection<PosixFilePermission> perms) {
+ if (GenericUtils.isEmpty(perms)) {
+ return 0;
+ }
+
+ int pf = 0;
+ boolean traceEnabled = log.isTraceEnabled();
+ for (PosixFilePermission p : perms) {
+ switch (p) {
+ case OWNER_READ:
+ pf |= SftpConstants.S_IRUSR;
+ break;
+ case OWNER_WRITE:
+ pf |= SftpConstants.S_IWUSR;
+ break;
+ case OWNER_EXECUTE:
+ pf |= SftpConstants.S_IXUSR;
+ break;
+ case GROUP_READ:
+ pf |= SftpConstants.S_IRGRP;
+ break;
+ case GROUP_WRITE:
+ pf |= SftpConstants.S_IWGRP;
+ break;
+ case GROUP_EXECUTE:
+ pf |= SftpConstants.S_IXGRP;
+ break;
+ case OTHERS_READ:
+ pf |= SftpConstants.S_IROTH;
+ break;
+ case OTHERS_WRITE:
+ pf |= SftpConstants.S_IWOTH;
+ break;
+ case OTHERS_EXECUTE:
+ pf |= SftpConstants.S_IXOTH;
+ break;
+ default:
+ if (traceEnabled) {
+ log.trace("attributesToPermissions(" + path + ") ignored " + p);
+ }
+ }
+ }
+
+ return pf;
+ }
+
+ public static String getRWXPermissions(int perms) {
+ StringBuilder sb = new StringBuilder(10 /* 3 * rwx + (d)irectory */);
+ if ((perms & SftpConstants.S_IFLNK) == SftpConstants.S_IFLNK) {
+ sb.append('l');
+ } else if ((perms & SftpConstants.S_IFDIR) == SftpConstants.S_IFDIR) {
+ sb.append('d');
+ } else {
+ sb.append('-');
+ }
+
+ if ((perms & SftpConstants.S_IRUSR) == SftpConstants.S_IRUSR) {
+ sb.append('r');
+ } else {
+ sb.append('-');
+ }
+ if ((perms & SftpConstants.S_IWUSR) == SftpConstants.S_IWUSR) {
+ sb.append('w');
+ } else {
+ sb.append('-');
+ }
+ if ((perms & SftpConstants.S_IXUSR) == SftpConstants.S_IXUSR) {
+ sb.append('x');
+ } else {
+ sb.append('-');
+ }
+
+ if ((perms & SftpConstants.S_IRGRP) == SftpConstants.S_IRGRP) {
+ sb.append('r');
+ } else {
+ sb.append('-');
+ }
+ if ((perms & SftpConstants.S_IWGRP) == SftpConstants.S_IWGRP) {
+ sb.append('w');
+ } else {
+ sb.append('-');
+ }
+ if ((perms & SftpConstants.S_IXGRP) == SftpConstants.S_IXGRP) {
+ sb.append('x');
+ } else {
+ sb.append('-');
+ }
+
+ if ((perms & SftpConstants.S_IROTH) == SftpConstants.S_IROTH) {
+ sb.append('r');
+ } else {
+ sb.append('-');
+ }
+ if ((perms & SftpConstants.S_IWOTH) == SftpConstants.S_IWOTH) {
+ sb.append('w');
+ } else {
+ sb.append('-');
+ }
+ if ((perms & SftpConstants.S_IXOTH) == SftpConstants.S_IXOTH) {
+ sb.append('x');
+ } else {
+ sb.append('-');
+ }
+
+ return sb.toString();
+ }
+
+ public static String getOctalPermissions(int perms) {
+ Collection<PosixFilePermission> attrs = permissionsToAttributes(perms);
+ return getOctalPermissions(attrs);
+ }
+
+ public static Set<PosixFilePermission> permissionsToAttributes(int perms) {
+ Set<PosixFilePermission> p = EnumSet.noneOf(PosixFilePermission.class);
+ if ((perms & SftpConstants.S_IRUSR) == SftpConstants.S_IRUSR) {
+ p.add(PosixFilePermission.OWNER_READ);
+ }
+ if ((perms & SftpConstants.S_IWUSR) == SftpConstants.S_IWUSR) {
+ p.add(PosixFilePermission.OWNER_WRITE);
+ }
+ if ((perms & SftpConstants.S_IXUSR) == SftpConstants.S_IXUSR) {
+ p.add(PosixFilePermission.OWNER_EXECUTE);
+ }
+ if ((perms & SftpConstants.S_IRGRP) == SftpConstants.S_IRGRP) {
+ p.add(PosixFilePermission.GROUP_READ);
+ }
+ if ((perms & SftpConstants.S_IWGRP) == SftpConstants.S_IWGRP) {
+ p.add(PosixFilePermission.GROUP_WRITE);
+ }
+ if ((perms & SftpConstants.S_IXGRP) == SftpConstants.S_IXGRP) {
+ p.add(PosixFilePermission.GROUP_EXECUTE);
+ }
+ if ((perms & SftpConstants.S_IROTH) == SftpConstants.S_IROTH) {
+ p.add(PosixFilePermission.OTHERS_READ);
+ }
+ if ((perms & SftpConstants.S_IWOTH) == SftpConstants.S_IWOTH) {
+ p.add(PosixFilePermission.OTHERS_WRITE);
+ }
+ if ((perms & SftpConstants.S_IXOTH) == SftpConstants.S_IXOTH) {
+ p.add(PosixFilePermission.OTHERS_EXECUTE);
+ }
+ return p;
+ }
+
+ public static String getOctalPermissions(Collection<PosixFilePermission> perms) {
+ int pf = 0;
+
+ for (PosixFilePermission p : perms) {
+ switch (p) {
+ case OWNER_READ:
+ pf |= SftpConstants.S_IRUSR;
+ break;
+ case OWNER_WRITE:
+ pf |= SftpConstants.S_IWUSR;
+ break;
+ case OWNER_EXECUTE:
+ pf |= SftpConstants.S_IXUSR;
+ break;
+ case GROUP_READ:
+ pf |= SftpConstants.S_IRGRP;
+ break;
+ case GROUP_WRITE:
+ pf |= SftpConstants.S_IWGRP;
+ break;
+ case GROUP_EXECUTE:
+ pf |= SftpConstants.S_IXGRP;
+ break;
+ case OTHERS_READ:
+ pf |= SftpConstants.S_IROTH;
+ break;
+ case OTHERS_WRITE:
+ pf |= SftpConstants.S_IWOTH;
+ break;
+ case OTHERS_EXECUTE:
+ pf |= SftpConstants.S_IXOTH;
+ break;
+ default: // ignored
+ }
+ }
+
+ return String.format("%04o", pf);
+ }
+
+ /**
+ * Uses the host, port and username to create a unique identifier
+ *
+ * @param uri The {@link URI} - <B>Note:</B> not checked to make sure
+ * that the scheme is {@code sftp://}
+ * @return The unique identifier
+ * @see #getFileSystemIdentifier(String, int, String)
+ */
+ public static String getFileSystemIdentifier(URI uri) {
+ String userInfo = ValidateUtils.checkNotNullAndNotEmpty(uri.getUserInfo(), "UserInfo not provided");
+ String[] ui = GenericUtils.split(userInfo, ':');
+ ValidateUtils.checkTrue(GenericUtils.length(ui) == 2, "Invalid user info: %s", userInfo);
+ return getFileSystemIdentifier(uri.getHost(), uri.getPort(), ui[0]);
+ }
+
+ /**
+ * Uses the remote host address, port and current username to create a unique identifier
+ *
+ * @param session The {@link ClientSession}
+ * @return The unique identifier
+ * @see #getFileSystemIdentifier(String, int, String)
+ */
+ public static String getFileSystemIdentifier(ClientSession session) {
+ IoSession ioSession = session.getIoSession();
+ SocketAddress addr = ioSession.getRemoteAddress();
+ String username = session.getUsername();
+ if (addr instanceof InetSocketAddress) {
+ InetSocketAddress inetAddr = (InetSocketAddress) addr;
+ return getFileSystemIdentifier(inetAddr.getHostString(), inetAddr.getPort(), username);
+ } else {
+ return getFileSystemIdentifier(addr.toString(), SshConfigFileReader.DEFAULT_PORT, username);
+ }
+ }
+
+ public static String getFileSystemIdentifier(String host, int port, String username) {
+ return GenericUtils.trimToEmpty(host) + ':'
+ + ((port <= 0) ? SshConfigFileReader.DEFAULT_PORT : port) + ':'
+ + GenericUtils.trimToEmpty(username);
+ }
+
+ public static URI createFileSystemURI(String host, int port, String username, String password) {
+ return createFileSystemURI(host, port, username, password, Collections.emptyMap());
+ }
+
+ public static URI createFileSystemURI(String host, int port, String username, String password, Map<String, ?> params) {
+ StringBuilder sb = new StringBuilder(Byte.MAX_VALUE);
+ sb.append(SftpConstants.SFTP_SUBSYSTEM_NAME)
+ .append("://").append(username).append(':').append(password)
+ .append('@').append(host).append(':').append(port)
+ .append('/');
+ if (GenericUtils.size(params) > 0) {
+ boolean firstParam = true;
+ // Cannot use forEach because firstParam is not effectively final
+ for (Map.Entry<String, ?> pe : params.entrySet()) {
+ String key = pe.getKey();
+ Object value = pe.getValue();
+ sb.append(firstParam ? '?' : '&').append(key).append('=').append(Objects.toString(value, null));
+ firstParam = false;
+ }
+ }
+
+ return URI.create(sb.toString());
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpInputStreamWithChannel.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpInputStreamWithChannel.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpInputStreamWithChannel.java
new file mode 100644
index 0000000..cb75fb6
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpInputStreamWithChannel.java
@@ -0,0 +1,179 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Objects;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.OpenMode;
+import org.apache.sshd.common.util.io.InputStreamWithChannel;
+
+/**
+ * Implements an input stream for reading from a remote file
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpInputStreamWithChannel extends InputStreamWithChannel {
+ private final SftpClient client;
+ private final String path;
+ private byte[] bb;
+ private byte[] buffer;
+ private int index;
+ private int available;
+ private CloseableHandle handle;
+ private long offset;
+
+ public SftpInputStreamWithChannel(SftpClient client, int bufferSize, String path, Collection<OpenMode> mode) throws IOException {
+ this.client = Objects.requireNonNull(client, "No SFTP client instance");
+ this.path = path;
+ bb = new byte[1];
+ buffer = new byte[bufferSize];
+ handle = client.open(path, mode);
+ }
+
+ /**
+ * The client instance
+ *
+ * @return {@link SftpClient} instance used to access the remote file
+ */
+ public final SftpClient getClient() {
+ return client;
+ }
+
+ /**
+ * The remotely accessed file path
+ *
+ * @return Remote file path
+ */
+ public final String getPath() {
+ return path;
+ }
+
+ @Override
+ public boolean isOpen() {
+ return (handle != null) && handle.isOpen();
+ }
+
+ @Override
+ public boolean markSupported() {
+ return false;
+ }
+
+ @Override
+ public synchronized void mark(int readlimit) {
+ throw new UnsupportedOperationException("mark(" + readlimit + ") N/A");
+ }
+
+ @Override
+ public long skip(long n) throws IOException {
+ long skipLen;
+ long newIndex = index + n;
+ long bufLen = Math.max(0L, available);
+ if (newIndex > bufLen) {
+ // exceeded current buffer
+ long extraLen = newIndex - bufLen;
+ offset += extraLen;
+ skipLen = Math.max(0, bufLen - index) + extraLen;
+ // force re-fill of read buffer
+ index = 0;
+ available = 0;
+ } else if (newIndex < 0) {
+ // went back - check how far back
+ long startOffset = offset - bufLen;
+ long newOffset = startOffset + newIndex; // actually a subtraction since newIndex is negative
+ newOffset = Math.max(0L, newOffset);
+ skipLen = index - newIndex; // actually a adding it since newIndex is negative
+ offset = newOffset;
+ // force re-fill of read buffer
+ index = 0;
+ available = 0;
+ } else {
+ // still within current buffer
+ index = (int) newIndex;
+ // need to use absolute value since skip size may have been negative
+ skipLen = Math.abs(n);
+ }
+
+ return skipLen;
+ }
+
+ @Override
+ public synchronized void reset() throws IOException {
+ offset = 0L;
+ // force re-fill of read buffer
+ index = 0;
+ available = 0;
+ }
+
+ @Override
+ public int read() throws IOException {
+ int read = read(bb, 0, 1);
+ if (read > 0) {
+ return bb[0] & 0xFF;
+ }
+
+ return read;
+ }
+
+ @Override
+ public int read(byte[] b, int off, int len) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("read(" + getPath() + ") stream closed");
+ }
+
+ int idx = off;
+ while (len > 0) {
+ if (index >= available) {
+ available = client.read(handle, offset, buffer, 0, buffer.length);
+ if (available < 0) {
+ if (idx == off) {
+ return -1;
+ } else {
+ break;
+ }
+ }
+ offset += available;
+ index = 0;
+ }
+ if (index >= available) {
+ break;
+ }
+ int nb = Math.min(len, available - index);
+ System.arraycopy(buffer, index, b, idx, nb);
+ index += nb;
+ idx += nb;
+ len -= nb;
+ }
+
+ return idx - off;
+ }
+
+ @Override
+ public void close() throws IOException {
+ if (isOpen()) {
+ try {
+ handle.close();
+ } finally {
+ handle = null;
+ }
+ }
+ }
+}
\ No newline at end of file
[20/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystem.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystem.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystem.java
deleted file mode 100644
index 5cfbf01..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystem.java
+++ /dev/null
@@ -1,1069 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.io.EOFException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.UnknownServiceException;
-import java.nio.file.AccessDeniedException;
-import java.nio.file.FileSystem;
-import java.nio.file.FileSystemLoopException;
-import java.nio.file.FileSystems;
-import java.nio.file.Files;
-import java.nio.file.LinkOption;
-import java.nio.file.NoSuchFileException;
-import java.nio.file.NotDirectoryException;
-import java.nio.file.Path;
-import java.util.Collection;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.Objects;
-import java.util.TreeMap;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Future;
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import org.apache.sshd.common.Factory;
-import org.apache.sshd.common.FactoryManager;
-import org.apache.sshd.common.digest.BuiltinDigests;
-import org.apache.sshd.common.digest.DigestFactory;
-import org.apache.sshd.common.file.FileSystemAware;
-import org.apache.sshd.common.random.Random;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpHelper;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FsyncExtensionParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.HardLinkExtensionParser;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.common.util.threads.ExecutorServiceCarrier;
-import org.apache.sshd.common.util.threads.ThreadUtils;
-import org.apache.sshd.server.Command;
-import org.apache.sshd.server.Environment;
-import org.apache.sshd.server.ExitCallback;
-import org.apache.sshd.server.SessionAware;
-import org.apache.sshd.server.session.ServerSession;
-
-/**
- * SFTP subsystem
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpSubsystem
- extends AbstractSftpSubsystemHelper
- implements Command, Runnable, SessionAware, FileSystemAware, ExecutorServiceCarrier {
-
- /**
- * Properties key for the maximum of available open handles per session.
- */
- public static final String MAX_OPEN_HANDLES_PER_SESSION = "max-open-handles-per-session";
- public static final int DEFAULT_MAX_OPEN_HANDLES = Integer.MAX_VALUE;
-
- /**
- * Size in bytes of the opaque handle value
- *
- * @see #DEFAULT_FILE_HANDLE_SIZE
- */
- public static final String FILE_HANDLE_SIZE = "sftp-handle-size";
- public static final int MIN_FILE_HANDLE_SIZE = 4; // ~uint32
- public static final int DEFAULT_FILE_HANDLE_SIZE = 16;
- public static final int MAX_FILE_HANDLE_SIZE = 64; // ~sha512
-
- /**
- * Max. rounds to attempt to create a unique file handle - if all handles
- * already in use after these many rounds, then an exception is thrown
- *
- * @see #generateFileHandle(Path)
- * @see #DEFAULT_FILE_HANDLE_ROUNDS
- */
- public static final String MAX_FILE_HANDLE_RAND_ROUNDS = "sftp-handle-rand-max-rounds";
- public static final int MIN_FILE_HANDLE_ROUNDS = 1;
- public static final int DEFAULT_FILE_HANDLE_ROUNDS = MIN_FILE_HANDLE_SIZE;
- public static final int MAX_FILE_HANDLE_ROUNDS = MAX_FILE_HANDLE_SIZE;
-
- /**
- * Maximum amount of data allocated for listing the contents of a directory
- * in any single invocation of {@link #doReadDir(Buffer, int)}
- *
- * @see #DEFAULT_MAX_READDIR_DATA_SIZE
- */
- public static final String MAX_READDIR_DATA_SIZE_PROP = "sftp-max-readdir-data-size";
- public static final int DEFAULT_MAX_READDIR_DATA_SIZE = 16 * 1024;
-
- protected ExitCallback callback;
- protected InputStream in;
- protected OutputStream out;
- protected OutputStream err;
- protected Environment env;
- protected Random randomizer;
- protected int fileHandleSize = DEFAULT_FILE_HANDLE_SIZE;
- protected int maxFileHandleRounds = DEFAULT_FILE_HANDLE_ROUNDS;
- protected Future<?> pendingFuture;
- protected byte[] workBuf = new byte[Math.max(DEFAULT_FILE_HANDLE_SIZE, Integer.BYTES)];
- protected FileSystem fileSystem = FileSystems.getDefault();
- protected Path defaultDir = fileSystem.getPath(System.getProperty("user.dir"));
- protected long requestsCount;
- protected int version;
- protected final Map<String, byte[]> extensions = new TreeMap<>(Comparator.naturalOrder());
- protected final Map<String, Handle> handles = new HashMap<>();
-
- private ServerSession serverSession;
- private final AtomicBoolean closed = new AtomicBoolean(false);
- private ExecutorService executorService;
- private boolean shutdownOnExit;
-
- /**
- * @param executorService The {@link ExecutorService} to be used by
- * the {@link SftpSubsystem} command when starting execution. If
- * {@code null} then a single-threaded ad-hoc service is used.
- * @param shutdownOnExit If {@code true} the {@link ExecutorService#shutdownNow()}
- * will be called when subsystem terminates - unless it is the ad-hoc
- * service, which will be shutdown regardless
- * @param policy The {@link UnsupportedAttributePolicy} to use if failed to access
- * some local file attributes
- * @param accessor The {@link SftpFileSystemAccessor} to use for opening files and directories
- * @param errorStatusDataHandler The (never {@code null}) {@link SftpErrorStatusDataHandler} to
- * use when generating failed commands error messages
- * @see ThreadUtils#newSingleThreadExecutor(String)
- */
- public SftpSubsystem(ExecutorService executorService, boolean shutdownOnExit, UnsupportedAttributePolicy policy,
- SftpFileSystemAccessor accessor, SftpErrorStatusDataHandler errorStatusDataHandler) {
- super(policy, accessor, errorStatusDataHandler);
-
- if (executorService == null) {
- this.executorService = ThreadUtils.newSingleThreadExecutor(getClass().getSimpleName());
- this.shutdownOnExit = true; // we always close the ad-hoc executor service
- } else {
- this.executorService = executorService;
- this.shutdownOnExit = shutdownOnExit;
- }
- }
-
- @Override
- public int getVersion() {
- return version;
- }
-
- @Override
- public Path getDefaultDirectory() {
- return defaultDir;
- }
-
- @Override
- public ExecutorService getExecutorService() {
- return executorService;
- }
-
- @Override
- public boolean isShutdownOnExit() {
- return shutdownOnExit;
- }
-
- @Override
- public void setSession(ServerSession session) {
- this.serverSession = Objects.requireNonNull(session, "No session");
-
- FactoryManager manager = session.getFactoryManager();
- Factory<? extends Random> factory = manager.getRandomFactory();
- this.randomizer = factory.create();
-
- this.fileHandleSize = session.getIntProperty(FILE_HANDLE_SIZE, DEFAULT_FILE_HANDLE_SIZE);
- ValidateUtils.checkTrue(this.fileHandleSize >= MIN_FILE_HANDLE_SIZE, "File handle size too small: %d", this.fileHandleSize);
- ValidateUtils.checkTrue(this.fileHandleSize <= MAX_FILE_HANDLE_SIZE, "File handle size too big: %d", this.fileHandleSize);
-
- this.maxFileHandleRounds = session.getIntProperty(MAX_FILE_HANDLE_RAND_ROUNDS, DEFAULT_FILE_HANDLE_ROUNDS);
- ValidateUtils.checkTrue(this.maxFileHandleRounds >= MIN_FILE_HANDLE_ROUNDS, "File handle rounds too small: %d", this.maxFileHandleRounds);
- ValidateUtils.checkTrue(this.maxFileHandleRounds <= MAX_FILE_HANDLE_ROUNDS, "File handle rounds too big: %d", this.maxFileHandleRounds);
-
- if (workBuf.length < this.fileHandleSize) {
- workBuf = new byte[this.fileHandleSize];
- }
- }
-
- @Override
- public ServerSession getServerSession() {
- return serverSession;
- }
-
- @Override
- public void setFileSystem(FileSystem fileSystem) {
- if (fileSystem != this.fileSystem) {
- this.fileSystem = fileSystem;
-
- Iterable<Path> roots = Objects.requireNonNull(fileSystem.getRootDirectories(), "No root directories");
- Iterator<Path> available = Objects.requireNonNull(roots.iterator(), "No roots iterator");
- ValidateUtils.checkTrue(available.hasNext(), "No available root");
- this.defaultDir = available.next();
- }
- }
-
- @Override
- public void setExitCallback(ExitCallback callback) {
- this.callback = callback;
- }
-
- @Override
- public void setInputStream(InputStream in) {
- this.in = in;
- }
-
- @Override
- public void setOutputStream(OutputStream out) {
- this.out = out;
- }
-
- @Override
- public void setErrorStream(OutputStream err) {
- this.err = err;
- }
-
- @Override
- public void start(Environment env) throws IOException {
- this.env = env;
- try {
- ExecutorService executor = getExecutorService();
- pendingFuture = executor.submit(this);
- } catch (RuntimeException e) { // e.g., RejectedExecutionException
- log.error("Failed (" + e.getClass().getSimpleName() + ") to start command: " + e.toString(), e);
- throw new IOException(e);
- }
- }
-
- @Override
- public void run() {
- try {
- for (long count = 1L;; count++) {
- int length = BufferUtils.readInt(in, workBuf, 0, workBuf.length);
- ValidateUtils.checkTrue(length >= (Integer.BYTES + 1 /* command */), "Bad length to read: %d", length);
-
- Buffer buffer = new ByteArrayBuffer(length + Integer.BYTES + Long.SIZE /* a bit extra */, false);
- buffer.putInt(length);
- for (int remainLen = length; remainLen > 0;) {
- int l = in.read(buffer.array(), buffer.wpos(), remainLen);
- if (l < 0) {
- throw new IllegalArgumentException("Premature EOF at buffer #" + count + " while read length=" + length + " and remain=" + remainLen);
- }
- buffer.wpos(buffer.wpos() + l);
- remainLen -= l;
- }
-
- process(buffer);
- }
- } catch (Throwable t) {
- if ((!closed.get()) && (!(t instanceof EOFException))) { // Ignore
- log.error("run({}) {} caught in SFTP subsystem: {}",
- getServerSession(), t.getClass().getSimpleName(), t.getMessage());
- if (log.isDebugEnabled()) {
- log.debug("run(" + getServerSession() + ") caught exception details", t);
- }
- }
- } finally {
- boolean debugEnabled = log.isDebugEnabled();
- handles.forEach((id, handle) -> {
- try {
- handle.close();
- if (debugEnabled) {
- log.debug("run({}) closed pending handle {} [{}]", getServerSession(), id, handle);
- }
- } catch (IOException ioe) {
- log.error("run({}) failed ({}) to close handle={}[{}]: {}",
- getServerSession(), ioe.getClass().getSimpleName(), id, handle, ioe.getMessage());
- }
- });
-
- callback.onExit(0);
- }
- }
-
- @Override
- protected void process(Buffer buffer) throws IOException {
- int length = buffer.getInt();
- int type = buffer.getUByte();
- int id = buffer.getInt();
- if (log.isDebugEnabled()) {
- log.debug("process({})[length={}, type={}, id={}] processing",
- getServerSession(), length, SftpConstants.getCommandMessageName(type), id);
- }
-
- switch (type) {
- case SftpConstants.SSH_FXP_INIT:
- doInit(buffer, id);
- break;
- case SftpConstants.SSH_FXP_OPEN:
- doOpen(buffer, id);
- break;
- case SftpConstants.SSH_FXP_CLOSE:
- doClose(buffer, id);
- break;
- case SftpConstants.SSH_FXP_READ:
- doRead(buffer, id);
- break;
- case SftpConstants.SSH_FXP_WRITE:
- doWrite(buffer, id);
- break;
- case SftpConstants.SSH_FXP_LSTAT:
- doLStat(buffer, id);
- break;
- case SftpConstants.SSH_FXP_FSTAT:
- doFStat(buffer, id);
- break;
- case SftpConstants.SSH_FXP_SETSTAT:
- doSetStat(buffer, id);
- break;
- case SftpConstants.SSH_FXP_FSETSTAT:
- doFSetStat(buffer, id);
- break;
- case SftpConstants.SSH_FXP_OPENDIR:
- doOpenDir(buffer, id);
- break;
- case SftpConstants.SSH_FXP_READDIR:
- doReadDir(buffer, id);
- break;
- case SftpConstants.SSH_FXP_REMOVE:
- doRemove(buffer, id);
- break;
- case SftpConstants.SSH_FXP_MKDIR:
- doMakeDirectory(buffer, id);
- break;
- case SftpConstants.SSH_FXP_RMDIR:
- doRemoveDirectory(buffer, id);
- break;
- case SftpConstants.SSH_FXP_REALPATH:
- doRealPath(buffer, id);
- break;
- case SftpConstants.SSH_FXP_STAT:
- doStat(buffer, id);
- break;
- case SftpConstants.SSH_FXP_RENAME:
- doRename(buffer, id);
- break;
- case SftpConstants.SSH_FXP_READLINK:
- doReadLink(buffer, id);
- break;
- case SftpConstants.SSH_FXP_SYMLINK:
- doSymLink(buffer, id);
- break;
- case SftpConstants.SSH_FXP_LINK:
- doLink(buffer, id);
- break;
- case SftpConstants.SSH_FXP_BLOCK:
- doBlock(buffer, id);
- break;
- case SftpConstants.SSH_FXP_UNBLOCK:
- doUnblock(buffer, id);
- break;
- case SftpConstants.SSH_FXP_EXTENDED:
- doExtended(buffer, id);
- break;
- default:
- {
- String name = SftpConstants.getCommandMessageName(type);
- log.warn("process({})[length={}, type={}, id={}] unknown command",
- getServerSession(), length, name, id);
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OP_UNSUPPORTED, "Command " + name + " is unsupported or not implemented");
- }
- }
-
- if (type != SftpConstants.SSH_FXP_INIT) {
- requestsCount++;
- }
- }
-
- @Override
- protected void executeExtendedCommand(Buffer buffer, int id, String extension) throws IOException {
- switch (extension) {
- case SftpConstants.EXT_TEXT_SEEK:
- doTextSeek(buffer, id);
- break;
- case SftpConstants.EXT_VERSION_SELECT:
- doVersionSelect(buffer, id);
- break;
- case SftpConstants.EXT_COPY_FILE:
- doCopyFile(buffer, id);
- break;
- case SftpConstants.EXT_COPY_DATA:
- doCopyData(buffer, id);
- break;
- case SftpConstants.EXT_MD5_HASH:
- case SftpConstants.EXT_MD5_HASH_HANDLE:
- doMD5Hash(buffer, id, extension);
- break;
- case SftpConstants.EXT_CHECK_FILE_HANDLE:
- case SftpConstants.EXT_CHECK_FILE_NAME:
- doCheckFileHash(buffer, id, extension);
- break;
- case FsyncExtensionParser.NAME:
- doOpenSSHFsync(buffer, id);
- break;
- case SftpConstants.EXT_SPACE_AVAILABLE:
- doSpaceAvailable(buffer, id);
- break;
- case HardLinkExtensionParser.NAME:
- doOpenSSHHardLink(buffer, id);
- break;
- default:
- if (log.isDebugEnabled()) {
- log.debug("executeExtendedCommand({}) received unsupported SSH_FXP_EXTENDED({})", getServerSession(), extension);
- }
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OP_UNSUPPORTED, "Command SSH_FXP_EXTENDED(" + extension + ") is unsupported or not implemented");
- break;
- }
- }
-
- @Override
- protected void createLink(int id, String existingPath, String linkPath, boolean symLink) throws IOException {
- Path link = resolveFile(linkPath);
- Path existing = fileSystem.getPath(existingPath);
- if (log.isDebugEnabled()) {
- log.debug("createLink({})[id={}], existing={}[{}], link={}[{}], symlink={})",
- getServerSession(), id, linkPath, link, existingPath, existing, symLink);
- }
-
- SftpEventListener listener = getSftpEventListenerProxy();
- ServerSession session = getServerSession();
- listener.linking(session, link, existing, symLink);
- try {
- if (symLink) {
- Files.createSymbolicLink(link, existing);
- } else {
- Files.createLink(link, existing);
- }
- } catch (IOException | RuntimeException e) {
- listener.linked(session, link, existing, symLink, e);
- throw e;
- }
- listener.linked(session, link, existing, symLink, null);
- }
-
- @Override
- protected void doTextSeek(int id, String handle, long line) throws IOException {
- Handle h = handles.get(handle);
- if (log.isDebugEnabled()) {
- log.debug("doTextSeek({})[id={}] SSH_FXP_EXTENDED(text-seek) (handle={}[{}], line={})",
- getServerSession(), id, handle, h, line);
- }
-
- FileHandle fileHandle = validateHandle(handle, h, FileHandle.class);
- throw new UnknownServiceException("doTextSeek(" + fileHandle + ")");
- }
-
- @Override
- protected void doOpenSSHFsync(int id, String handle) throws IOException {
- Handle h = handles.get(handle);
- if (log.isDebugEnabled()) {
- log.debug("doOpenSSHFsync({})[id={}] {}[{}]", getServerSession(), id, handle, h);
- }
-
- FileHandle fileHandle = validateHandle(handle, h, FileHandle.class);
- SftpFileSystemAccessor accessor = getFileSystemAccessor();
- ServerSession session = getServerSession();
- accessor.syncFileData(session, this, fileHandle.getFile(), fileHandle.getFileHandle(), fileHandle.getFileChannel());
- }
-
- @Override
- protected void doCheckFileHash(
- int id, String targetType, String target, Collection<String> algos,
- long startOffset, long length, int blockSize, Buffer buffer)
- throws Exception {
- Path path;
- if (SftpConstants.EXT_CHECK_FILE_HANDLE.equalsIgnoreCase(targetType)) {
- Handle h = handles.get(target);
- FileHandle fileHandle = validateHandle(target, h, FileHandle.class);
- path = fileHandle.getFile();
-
- /*
- * To quote http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt section 9.1.2:
- *
- * If ACE4_READ_DATA was not included when the file was opened,
- * the server MUST return STATUS_PERMISSION_DENIED.
- */
- int access = fileHandle.getAccessMask();
- if ((access & SftpConstants.ACE4_READ_DATA) == 0) {
- throw new AccessDeniedException(path.toString(), path.toString(), "File not opened for read");
- }
- } else {
- path = resolveFile(target);
-
- /*
- * To quote http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt section 9.1.2:
- *
- * If 'check-file-name' refers to a SSH_FILEXFER_TYPE_SYMLINK, the
- * target should be opened.
- */
- for (int index = 0; Files.isSymbolicLink(path) && (index < Byte.MAX_VALUE /* TODO make this configurable */); index++) {
- path = Files.readSymbolicLink(path);
- }
-
- if (Files.isSymbolicLink(path)) {
- throw new FileSystemLoopException(target);
- }
-
- if (Files.isDirectory(path, IoUtils.getLinkOptions(false))) {
- throw new NotDirectoryException(path.toString());
- }
- }
-
- ValidateUtils.checkNotNullAndNotEmpty(algos, "No hash algorithms specified");
-
- DigestFactory factory = null;
- for (String a : algos) {
- factory = BuiltinDigests.fromFactoryName(a);
- if ((factory != null) && factory.isSupported()) {
- break;
- }
- }
- ValidateUtils.checkNotNull(factory, "No matching digest factory found for %s", algos);
-
- doCheckFileHash(id, path, factory, startOffset, length, blockSize, buffer);
- }
-
- @Override
- protected byte[] doMD5Hash(
- int id, String targetType, String target, long startOffset, long length, byte[] quickCheckHash)
- throws Exception {
- if (log.isDebugEnabled()) {
- log.debug("doMD5Hash({})({})[{}] offset={}, length={}, quick-hash={}",
- getServerSession(), targetType, target, startOffset, length,
- BufferUtils.toHex(':', quickCheckHash));
- }
-
- Path path;
- if (SftpConstants.EXT_MD5_HASH_HANDLE.equalsIgnoreCase(targetType)) {
- Handle h = handles.get(target);
- FileHandle fileHandle = validateHandle(target, h, FileHandle.class);
- path = fileHandle.getFile();
-
- /*
- * To quote http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt section 9.1.1:
- *
- * The handle MUST be a file handle, and ACE4_READ_DATA MUST
- * have been included in the desired-access when the file
- * was opened
- */
- int access = fileHandle.getAccessMask();
- if ((access & SftpConstants.ACE4_READ_DATA) == 0) {
- throw new AccessDeniedException(path.toString(), path.toString(), "File not opened for read");
- }
- } else {
- path = resolveFile(target);
- if (Files.isDirectory(path, IoUtils.getLinkOptions(true))) {
- throw new NotDirectoryException(path.toString());
- }
- }
-
- /*
- * To quote http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt section 9.1.1:
- *
- * If both start-offset and length are zero, the entire file should be included
- */
- long effectiveLength = length;
- long totalSize = Files.size(path);
- if ((startOffset == 0L) && (length == 0L)) {
- effectiveLength = totalSize;
- } else {
- long maxRead = startOffset + effectiveLength;
- if (maxRead > totalSize) {
- effectiveLength = totalSize - startOffset;
- }
- }
-
- return doMD5Hash(id, path, startOffset, effectiveLength, quickCheckHash);
- }
-
- protected void doVersionSelect(Buffer buffer, int id) throws IOException {
- String proposed = buffer.getString();
- ServerSession session = getServerSession();
- /*
- * The 'version-select' MUST be the first request from the client to the
- * server; if it is not, the server MUST fail the request and close the
- * channel.
- */
- if (requestsCount > 0L) {
- sendStatus(BufferUtils.clear(buffer), id,
- SftpConstants.SSH_FX_FAILURE,
- "Version selection not the 1st request for proposal = " + proposed);
- session.close(true);
- return;
- }
-
- Boolean result = validateProposedVersion(buffer, id, proposed);
- /*
- * "MUST then close the channel without processing any further requests"
- */
- if (result == null) { // response sent internally
- session.close(true);
- return;
- }
- if (result) {
- version = Integer.parseInt(proposed);
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- } else {
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_FAILURE, "Unsupported version " + proposed);
- session.close(true);
- }
- }
-
- @Override
- protected void doBlock(int id, String handle, long offset, long length, int mask) throws IOException {
- Handle p = handles.get(handle);
- if (log.isDebugEnabled()) {
- log.debug("doBlock({})[id={}] SSH_FXP_BLOCK (handle={}[{}], offset={}, length={}, mask=0x{})",
- getServerSession(), id, handle, p, offset, length, Integer.toHexString(mask));
- }
-
- FileHandle fileHandle = validateHandle(handle, p, FileHandle.class);
- SftpEventListener listener = getSftpEventListenerProxy();
- ServerSession session = getServerSession();
- listener.blocking(session, handle, fileHandle, offset, length, mask);
- try {
- fileHandle.lock(offset, length, mask);
- } catch (IOException | RuntimeException e) {
- listener.blocked(session, handle, fileHandle, offset, length, mask, e);
- throw e;
- }
- listener.blocked(session, handle, fileHandle, offset, length, mask, null);
- }
-
- @Override
- protected void doUnblock(int id, String handle, long offset, long length) throws IOException {
- Handle p = handles.get(handle);
- if (log.isDebugEnabled()) {
- log.debug("doUnblock({})[id={}] SSH_FXP_UNBLOCK (handle={}[{}], offset={}, length={})",
- getServerSession(), id, handle, p, offset, length);
- }
-
- FileHandle fileHandle = validateHandle(handle, p, FileHandle.class);
- SftpEventListener listener = getSftpEventListenerProxy();
- ServerSession session = getServerSession();
- listener.unblocking(session, handle, fileHandle, offset, length);
- try {
- fileHandle.unlock(offset, length);
- } catch (IOException | RuntimeException e) {
- listener.unblocked(session, handle, fileHandle, offset, length, e);
- throw e;
- }
- listener.unblocked(session, handle, fileHandle, offset, length, null);
- }
-
- @Override
- @SuppressWarnings("resource")
- protected void doCopyData(int id, String readHandle, long readOffset, long readLength, String writeHandle, long writeOffset) throws IOException {
- boolean inPlaceCopy = readHandle.equals(writeHandle);
- Handle rh = handles.get(readHandle);
- Handle wh = inPlaceCopy ? rh : handles.get(writeHandle);
- if (log.isDebugEnabled()) {
- log.debug("doCopyData({})[id={}] SSH_FXP_EXTENDED[{}] read={}[{}], read-offset={}, read-length={}, write={}[{}], write-offset={})",
- getServerSession(), id, SftpConstants.EXT_COPY_DATA,
- readHandle, rh, readOffset, readLength,
- writeHandle, wh, writeOffset);
- }
-
- FileHandle srcHandle = validateHandle(readHandle, rh, FileHandle.class);
- Path srcPath = srcHandle.getFile();
- int srcAccess = srcHandle.getAccessMask();
- if ((srcAccess & SftpConstants.ACE4_READ_DATA) != SftpConstants.ACE4_READ_DATA) {
- throw new AccessDeniedException(srcPath.toString(), srcPath.toString(), "Source file not opened for read");
- }
-
- ValidateUtils.checkTrue(readLength >= 0L, "Invalid read length: %d", readLength);
- ValidateUtils.checkTrue(readOffset >= 0L, "Invalid read offset: %d", readOffset);
-
- long totalSize = Files.size(srcHandle.getFile());
- long effectiveLength = readLength;
- if (effectiveLength == 0L) {
- effectiveLength = totalSize - readOffset;
- } else {
- long maxRead = readOffset + effectiveLength;
- if (maxRead > totalSize) {
- effectiveLength = totalSize - readOffset;
- }
- }
- ValidateUtils.checkTrue(effectiveLength > 0L, "Non-positive effective copy data length: %d", effectiveLength);
-
- FileHandle dstHandle = inPlaceCopy ? srcHandle : validateHandle(writeHandle, wh, FileHandle.class);
- int dstAccess = dstHandle.getAccessMask();
- if ((dstAccess & SftpConstants.ACE4_WRITE_DATA) != SftpConstants.ACE4_WRITE_DATA) {
- throw new AccessDeniedException(srcHandle.toString(), srcHandle.toString(), "Source handle not opened for write");
- }
-
- ValidateUtils.checkTrue(writeOffset >= 0L, "Invalid write offset: %d", writeOffset);
- // check if overlapping ranges as per the draft
- if (inPlaceCopy) {
- long maxRead = readOffset + effectiveLength;
- if (maxRead > totalSize) {
- maxRead = totalSize;
- }
-
- long maxWrite = writeOffset + effectiveLength;
- if (maxWrite > readOffset) {
- throw new IllegalArgumentException("Write range end [" + writeOffset + "-" + maxWrite + "]"
- + " overlaps with read range [" + readOffset + "-" + maxRead + "]");
- } else if (maxRead > writeOffset) {
- throw new IllegalArgumentException("Read range end [" + readOffset + "-" + maxRead + "]"
- + " overlaps with write range [" + writeOffset + "-" + maxWrite + "]");
- }
- }
-
- byte[] copyBuf = new byte[Math.min(IoUtils.DEFAULT_COPY_SIZE, (int) effectiveLength)];
- while (effectiveLength > 0L) {
- int remainLength = Math.min(copyBuf.length, (int) effectiveLength);
- int readLen = srcHandle.read(copyBuf, 0, remainLength, readOffset);
- if (readLen < 0) {
- throw new EOFException("Premature EOF while still remaining " + effectiveLength + " bytes");
- }
- dstHandle.write(copyBuf, 0, readLen, writeOffset);
-
- effectiveLength -= readLen;
- readOffset += readLen;
- writeOffset += readLen;
- }
- }
-
- @Override
- protected void doReadDir(Buffer buffer, int id) throws IOException {
- String handle = buffer.getString();
- Handle h = handles.get(handle);
- boolean debugEnabled = log.isDebugEnabled();
- if (debugEnabled) {
- log.debug("doReadDir({})[id={}] SSH_FXP_READDIR (handle={}[{}])",
- getServerSession(), id, handle, h);
- }
-
- Buffer reply = null;
- try {
- DirectoryHandle dh = validateHandle(handle, h, DirectoryHandle.class);
- if (dh.isDone()) {
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_EOF, "Directory reading is done");
- return;
- }
-
- Path file = dh.getFile();
- LinkOption[] options =
- getPathResolutionLinkOption(SftpConstants.SSH_FXP_READDIR, "", file);
- Boolean status = IoUtils.checkFileExists(file, options);
- if (status == null) {
- throw new AccessDeniedException(file.toString(), file.toString(), "Cannot determine existence of read-dir");
- }
-
- if (!status) {
- throw new NoSuchFileException(file.toString(), file.toString(), "Non-existent directory");
- } else if (!Files.isDirectory(file, options)) {
- throw new NotDirectoryException(file.toString());
- } else if (!Files.isReadable(file)) {
- throw new AccessDeniedException(file.toString(), file.toString(), "Not readable");
- }
-
- if (dh.isSendDot() || dh.isSendDotDot() || dh.hasNext()) {
- // There is at least one file in the directory or we need to send the "..".
- // Send only a few files at a time to not create packets of a too
- // large size or have a timeout to occur.
-
- reply = BufferUtils.clear(buffer);
- reply.putByte((byte) SftpConstants.SSH_FXP_NAME);
- reply.putInt(id);
-
- int lenPos = reply.wpos();
- reply.putInt(0);
-
- ServerSession session = getServerSession();
- int maxDataSize = session.getIntProperty(MAX_READDIR_DATA_SIZE_PROP, DEFAULT_MAX_READDIR_DATA_SIZE);
- int count = doReadDir(id, handle, dh, reply, maxDataSize, IoUtils.getLinkOptions(false));
- BufferUtils.updateLengthPlaceholder(reply, lenPos, count);
- if ((!dh.isSendDot()) && (!dh.isSendDotDot()) && (!dh.hasNext())) {
- dh.markDone();
- }
-
- Boolean indicator =
- SftpHelper.indicateEndOfNamesList(reply, getVersion(), session, dh.isDone());
- if (debugEnabled) {
- log.debug("doReadDir({})({})[{}] - seding {} entries - eol={}", session, handle, h, count, indicator);
- }
- } else {
- // empty directory
- dh.markDone();
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_EOF, "Empty directory");
- return;
- }
-
- Objects.requireNonNull(reply, "No reply buffer created");
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_READDIR, handle);
- return;
- }
-
- send(reply);
- }
-
- @Override
- protected String doOpenDir(int id, String path, Path p, LinkOption... options) throws IOException {
- Boolean status = IoUtils.checkFileExists(p, options);
- if (status == null) {
- throw new AccessDeniedException(p.toString(), p.toString(), "Cannot determine open-dir existence");
- }
-
- if (!status) {
- throw new NoSuchFileException(path, path, "Referenced target directory N/A");
- } else if (!Files.isDirectory(p, options)) {
- throw new NotDirectoryException(path);
- } else if (!Files.isReadable(p)) {
- throw new AccessDeniedException(p.toString(), p.toString(), "Not readable");
- } else {
- String handle = generateFileHandle(p);
- DirectoryHandle dirHandle = new DirectoryHandle(this, p, handle);
- handles.put(handle, dirHandle);
- return handle;
- }
- }
-
- @Override
- protected void doFSetStat(int id, String handle, Map<String, ?> attrs) throws IOException {
- Handle h = handles.get(handle);
- if (log.isDebugEnabled()) {
- log.debug("doFsetStat({})[id={}] SSH_FXP_FSETSTAT (handle={}[{}], attrs={})",
- getServerSession(), id, handle, h, attrs);
- }
-
- doSetAttributes(validateHandle(handle, h, Handle.class).getFile(), attrs);
- }
-
- @Override
- protected Map<String, Object> doFStat(int id, String handle, int flags) throws IOException {
- Handle h = handles.get(handle);
- if (log.isDebugEnabled()) {
- log.debug("doFStat({})[id={}] SSH_FXP_FSTAT (handle={}[{}], flags=0x{})",
- getServerSession(), id, handle, h, Integer.toHexString(flags));
- }
-
- Handle fileHandle = validateHandle(handle, h, Handle.class);
- return resolveFileAttributes(fileHandle.getFile(), flags, IoUtils.getLinkOptions(true));
- }
-
- @Override
- protected void doWrite(int id, String handle, long offset, int length, byte[] data, int doff, int remaining) throws IOException {
- Handle h = handles.get(handle);
- if (log.isTraceEnabled()) {
- log.trace("doWrite({})[id={}] SSH_FXP_WRITE (handle={}[{}], offset={}, data=byte[{}])",
- getServerSession(), id, handle, h, offset, length);
- }
-
- FileHandle fh = validateHandle(handle, h, FileHandle.class);
- if (length < 0) {
- throw new IllegalStateException("Bad length (" + length + ") for writing to " + fh);
- }
-
- if (remaining < length) {
- throw new IllegalStateException("Not enough buffer data for writing to " + fh + ": required=" + length + ", available=" + remaining);
- }
-
- SftpEventListener listener = getSftpEventListenerProxy();
- listener.writing(getServerSession(), handle, fh, offset, data, doff, length);
- try {
- if (fh.isOpenAppend()) {
- fh.append(data, doff, length);
- } else {
- fh.write(data, doff, length, offset);
- }
- } catch (IOException | RuntimeException e) {
- listener.written(getServerSession(), handle, fh, offset, data, doff, length, e);
- throw e;
- }
- listener.written(getServerSession(), handle, fh, offset, data, doff, length, null);
- }
-
- @Override
- protected int doRead(int id, String handle, long offset, int length, byte[] data, int doff) throws IOException {
- Handle h = handles.get(handle);
- if (log.isTraceEnabled()) {
- log.trace("doRead({})[id={}] SSH_FXP_READ (handle={}[{}], offset={}, length={})",
- getServerSession(), id, handle, h, offset, length);
- }
-
- ValidateUtils.checkTrue(length > 0L, "Invalid read length: %d", length);
- FileHandle fh = validateHandle(handle, h, FileHandle.class);
- SftpEventListener listener = getSftpEventListenerProxy();
- ServerSession serverSession = getServerSession();
- int readLen;
- listener.reading(serverSession, handle, fh, offset, data, doff, length);
- try {
- readLen = fh.read(data, doff, length, offset);
- } catch (IOException | RuntimeException e) {
- listener.read(serverSession, handle, fh, offset, data, doff, length, -1, e);
- throw e;
- }
- listener.read(serverSession, handle, fh, offset, data, doff, length, readLen, null);
- return readLen;
- }
-
- @Override
- protected void doClose(int id, String handle) throws IOException {
- Handle h = handles.remove(handle);
- if (log.isDebugEnabled()) {
- log.debug("doClose({})[id={}] SSH_FXP_CLOSE (handle={}[{}])",
- getServerSession(), id, handle, h);
- }
- validateHandle(handle, h, Handle.class).close();
-
- SftpEventListener listener = getSftpEventListenerProxy();
- listener.close(getServerSession(), handle, h);
- }
-
- @Override
- protected String doOpen(int id, String path, int pflags, int access, Map<String, Object> attrs) throws IOException {
- if (log.isDebugEnabled()) {
- log.debug("doOpen({})[id={}] SSH_FXP_OPEN (path={}, access=0x{}, pflags=0x{}, attrs={})",
- getServerSession(), id, path, Integer.toHexString(access), Integer.toHexString(pflags), attrs);
- }
- int curHandleCount = handles.size();
- int maxHandleCount = getServerSession().getIntProperty(MAX_OPEN_HANDLES_PER_SESSION, DEFAULT_MAX_OPEN_HANDLES);
- if (curHandleCount > maxHandleCount) {
- throw new IllegalStateException("Too many open handles: current=" + curHandleCount + ", max.=" + maxHandleCount);
- }
-
- Path file = resolveFile(path);
- String handle = generateFileHandle(file);
- FileHandle fileHandle = new FileHandle(this, file, handle, pflags, access, attrs);
- handles.put(handle, fileHandle);
- return handle;
- }
-
- // we stringify our handles and treat them as such on decoding as well as it is easier to use as a map key
- protected String generateFileHandle(Path file) {
- // use several rounds in case the file handle size is relatively small so we might get conflicts
- for (int index = 0; index < maxFileHandleRounds; index++) {
- randomizer.fill(workBuf, 0, fileHandleSize);
- String handle = BufferUtils.toHex(workBuf, 0, fileHandleSize, BufferUtils.EMPTY_HEX_SEPARATOR);
- if (handles.containsKey(handle)) {
- if (log.isTraceEnabled()) {
- log.trace("generateFileHandle({})[{}] handle={} in use at round {}",
- getServerSession(), file, handle, index);
- }
- continue;
- }
-
- if (log.isTraceEnabled()) {
- log.trace("generateFileHandle({})[{}] {}", getServerSession(), file, handle);
- }
- return handle;
- }
-
- throw new IllegalStateException("Failed to generate a unique file handle for " + file);
- }
-
- protected void doInit(Buffer buffer, int id) throws IOException {
- if (log.isDebugEnabled()) {
- log.debug("doInit({})[id={}] SSH_FXP_INIT (version={})", getServerSession(), id, id);
- }
-
- String all = checkVersionCompatibility(buffer, id, id, SftpConstants.SSH_FX_OP_UNSUPPORTED);
- if (GenericUtils.isEmpty(all)) { // i.e. validation failed
- return;
- }
-
- version = id;
- while (buffer.available() > 0) {
- String name = buffer.getString();
- byte[] data = buffer.getBytes();
- extensions.put(name, data);
- }
-
- buffer.clear();
-
- buffer.putByte((byte) SftpConstants.SSH_FXP_VERSION);
- buffer.putInt(version);
- appendExtensions(buffer, all);
-
- SftpEventListener listener = getSftpEventListenerProxy();
- listener.initialized(getServerSession(), version);
-
- send(buffer);
- }
-
- @Override
- protected void send(Buffer buffer) throws IOException {
- int len = buffer.available();
- BufferUtils.writeInt(out, len, workBuf, 0, workBuf.length);
- out.write(buffer.array(), buffer.rpos(), len);
- out.flush();
- }
-
- @Override
- public void destroy() {
- if (closed.getAndSet(true)) {
- return; // ignore if already closed
- }
-
- ServerSession session = getServerSession();
- boolean debugEnabled = log.isDebugEnabled();
- if (debugEnabled) {
- log.debug("destroy({}) - mark as closed", session);
- }
-
- try {
- SftpEventListener listener = getSftpEventListenerProxy();
- listener.destroying(session);
- } catch (Exception e) {
- log.warn("destroy({}) Failed ({}) to announce destruction event: {}",
- session, e.getClass().getSimpleName(), e.getMessage());
- if (debugEnabled) {
- log.debug("destroy(" + session + ") destruction announcement failure details", e);
- }
- }
-
- // if thread has not completed, cancel it
- if ((pendingFuture != null) && (!pendingFuture.isDone())) {
- boolean result = pendingFuture.cancel(true);
- // TODO consider waiting some reasonable (?) amount of time for cancellation
- if (debugEnabled) {
- log.debug("destroy(" + session + ") - cancel pending future=" + result);
- }
- }
-
- pendingFuture = null;
-
- ExecutorService executors = getExecutorService();
- if ((executors != null) && (!executors.isShutdown()) && isShutdownOnExit()) {
- Collection<Runnable> runners = executors.shutdownNow();
- if (debugEnabled) {
- log.debug("destroy(" + session + ") - shutdown executor service - runners count=" + runners.size());
- }
- }
- this.executorService = null;
-
- try {
- fileSystem.close();
- } catch (UnsupportedOperationException e) {
- if (debugEnabled) {
- log.debug("destroy(" + session + ") closing the file system is not supported");
- }
- } catch (IOException e) {
- if (debugEnabled) {
- log.debug("destroy(" + session + ")"
- + " failed (" + e.getClass().getSimpleName() + ")"
- + " to close file system: " + e.getMessage(), e);
- }
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemEnvironment.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemEnvironment.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemEnvironment.java
deleted file mode 100644
index 493a450..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemEnvironment.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.nio.file.Path;
-import java.util.stream.Collectors;
-import java.util.stream.IntStream;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.server.session.ServerSessionHolder;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpSubsystemEnvironment extends ServerSessionHolder {
- /**
- * Force the use of a given sftp version
- */
- String SFTP_VERSION = "sftp-version";
-
- int LOWER_SFTP_IMPL = SftpConstants.SFTP_V3; // Working implementation from v3
-
- int HIGHER_SFTP_IMPL = SftpConstants.SFTP_V6; // .. up to and including
-
- String ALL_SFTP_IMPL = IntStream.rangeClosed(LOWER_SFTP_IMPL, HIGHER_SFTP_IMPL)
- .mapToObj(Integer::toString)
- .collect(Collectors.joining(","));
-
- /**
- * @return The negotiated version
- */
- int getVersion();
-
- /**
- * @return The {@link SftpFileSystemAccessor} used to access effective
- * server-side paths
- */
- SftpFileSystemAccessor getFileSystemAccessor();
-
- /**
- * @return The selected behavior in case some unsupported attributes are requested
- */
- UnsupportedAttributePolicy getUnsupportedAttributePolicy();
-
- /**
- * @return The default root directory used to resolve relative paths
- * - a.k.a. the {@code chroot} location
- */
- Path getDefaultDirectory();
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactory.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactory.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactory.java
deleted file mode 100644
index 4e4aa77..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactory.java
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.util.Objects;
-import java.util.concurrent.ExecutorService;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.ObjectBuilder;
-import org.apache.sshd.common.util.threads.ExecutorServiceConfigurer;
-import org.apache.sshd.server.Command;
-import org.apache.sshd.server.subsystem.SubsystemFactory;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpSubsystemFactory
- extends AbstractSftpEventListenerManager
- implements SubsystemFactory, ExecutorServiceConfigurer, SftpEventListenerManager, SftpFileSystemAccessorManager {
- public static final String NAME = SftpConstants.SFTP_SUBSYSTEM_NAME;
- public static final UnsupportedAttributePolicy DEFAULT_POLICY = UnsupportedAttributePolicy.Warn;
-
- public static class Builder extends AbstractSftpEventListenerManager implements ObjectBuilder<SftpSubsystemFactory> {
- private ExecutorService executors;
- private boolean shutdownExecutor;
- private UnsupportedAttributePolicy policy = DEFAULT_POLICY;
- private SftpFileSystemAccessor fileSystemAccessor = SftpFileSystemAccessor.DEFAULT;
- private SftpErrorStatusDataHandler errorStatusDataHandler = SftpErrorStatusDataHandler.DEFAULT;
-
- public Builder() {
- super();
- }
-
- public Builder withExecutorService(ExecutorService service) {
- executors = service;
- return this;
- }
-
- public Builder withShutdownOnExit(boolean shutdown) {
- shutdownExecutor = shutdown;
- return this;
- }
-
- public Builder withUnsupportedAttributePolicy(UnsupportedAttributePolicy p) {
- policy = Objects.requireNonNull(p, "No policy");
- return this;
- }
-
- public Builder withFileSystemAccessor(SftpFileSystemAccessor accessor) {
- fileSystemAccessor = Objects.requireNonNull(accessor, "No accessor");
- return this;
- }
-
- public Builder withSftpErrorStatusDataHandler(SftpErrorStatusDataHandler handler) {
- errorStatusDataHandler = Objects.requireNonNull(handler, "No error status handler");
- return this;
- }
-
- @Override
- public SftpSubsystemFactory build() {
- SftpSubsystemFactory factory = new SftpSubsystemFactory();
- factory.setExecutorService(executors);
- factory.setShutdownOnExit(shutdownExecutor);
- factory.setUnsupportedAttributePolicy(policy);
- factory.setFileSystemAccessor(fileSystemAccessor);
- factory.setErrorStatusDataHandler(errorStatusDataHandler);
- GenericUtils.forEach(getRegisteredListeners(), factory::addSftpEventListener);
- return factory;
- }
- }
-
- private ExecutorService executors;
- private boolean shutdownExecutor;
- private UnsupportedAttributePolicy policy = DEFAULT_POLICY;
- private SftpFileSystemAccessor fileSystemAccessor = SftpFileSystemAccessor.DEFAULT;
- private SftpErrorStatusDataHandler errorStatusDataHandler = SftpErrorStatusDataHandler.DEFAULT;
-
- public SftpSubsystemFactory() {
- super();
- }
-
- @Override
- public String getName() {
- return NAME;
- }
-
- @Override
- public ExecutorService getExecutorService() {
- return executors;
- }
-
- /**
- * @param service The {@link ExecutorService} to be used by the {@link SftpSubsystem}
- * command when starting execution. If {@code null} then a single-threaded ad-hoc service is used.
- */
- @Override
- public void setExecutorService(ExecutorService service) {
- executors = service;
- }
-
- @Override
- public boolean isShutdownOnExit() {
- return shutdownExecutor;
- }
-
- /**
- * @param shutdownOnExit If {@code true} the {@link ExecutorService#shutdownNow()}
- * will be called when subsystem terminates - unless it is the ad-hoc service, which
- * will be shutdown regardless
- */
- @Override
- public void setShutdownOnExit(boolean shutdownOnExit) {
- shutdownExecutor = shutdownOnExit;
- }
-
- public UnsupportedAttributePolicy getUnsupportedAttributePolicy() {
- return policy;
- }
-
- /**
- * @param p The {@link UnsupportedAttributePolicy} to use if failed to access
- * some local file attributes - never {@code null}
- */
- public void setUnsupportedAttributePolicy(UnsupportedAttributePolicy p) {
- policy = Objects.requireNonNull(p, "No policy");
- }
-
- @Override
- public SftpFileSystemAccessor getFileSystemAccessor() {
- return fileSystemAccessor;
- }
-
- @Override
- public void setFileSystemAccessor(SftpFileSystemAccessor accessor) {
- fileSystemAccessor = Objects.requireNonNull(accessor, "No accessor");
- }
-
- public SftpErrorStatusDataHandler getErrorStatusDataHandler() {
- return errorStatusDataHandler;
- }
-
- public void setErrorStatusDataHandler(SftpErrorStatusDataHandler handler) {
- errorStatusDataHandler = Objects.requireNonNull(handler, "No error status data handler provided");
- }
-
- @Override
- public Command create() {
- SftpSubsystem subsystem =
- new SftpSubsystem(getExecutorService(), isShutdownOnExit(),
- getUnsupportedAttributePolicy(), getFileSystemAccessor(),
- getErrorStatusDataHandler());
- GenericUtils.forEach(getRegisteredListeners(), subsystem::addSftpEventListener);
- return subsystem;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/UnixDateFormat.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/UnixDateFormat.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/UnixDateFormat.java
deleted file mode 100644
index 3ce474a..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/UnixDateFormat.java
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.nio.file.attribute.FileTime;
-import java.util.Arrays;
-import java.util.Calendar;
-import java.util.Collections;
-import java.util.GregorianCalendar;
-import java.util.List;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public final class UnixDateFormat {
-
- /**
- * A {@link List} of <U>short</U> months names where Jan=0, Feb=1, etc.
- */
- public static final List<String> MONTHS =
- Collections.unmodifiableList(Arrays.asList(
- "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
- ));
-
- /**
- * Six months duration in msec.
- */
- public static final long SIX_MONTHS = 183L * 24L * 60L * 60L * 1000L;
-
- private UnixDateFormat() {
- throw new UnsupportedOperationException("No instance allowed");
- }
-
- /**
- * Get unix style date string.
- *
- * @param time The {@link FileTime} to format - ignored if {@code null}
- * @return The formatted date string
- * @see #getUnixDate(long)
- */
- public static String getUnixDate(FileTime time) {
- return getUnixDate((time != null) ? time.toMillis() : -1L);
- }
-
- public static String getUnixDate(long millis) {
- if (millis < 0L) {
- return "------------";
- }
-
- StringBuilder sb = new StringBuilder(16);
- Calendar cal = new GregorianCalendar();
- cal.setTimeInMillis(millis);
-
- // month
- sb.append(MONTHS.get(cal.get(Calendar.MONTH)));
- sb.append(' ');
-
- // day
- int day = cal.get(Calendar.DATE);
- if (day < 10) {
- sb.append(' ');
- }
- sb.append(day);
- sb.append(' ');
-
- long nowTime = System.currentTimeMillis();
- if (Math.abs(nowTime - millis) > SIX_MONTHS) {
-
- // year
- int year = cal.get(Calendar.YEAR);
- sb.append(' ');
- sb.append(year);
- } else {
- // hour
- int hh = cal.get(Calendar.HOUR_OF_DAY);
- if (hh < 10) {
- sb.append('0');
- }
- sb.append(hh);
- sb.append(':');
-
- // minute
- int mm = cal.get(Calendar.MINUTE);
- if (mm < 10) {
- sb.append('0');
- }
- sb.append(mm);
- }
-
- return sb.toString();
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/UnsupportedAttributePolicy.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/UnsupportedAttributePolicy.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/UnsupportedAttributePolicy.java
deleted file mode 100644
index ca763e3..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/UnsupportedAttributePolicy.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.util.Collections;
-import java.util.EnumSet;
-import java.util.Set;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public enum UnsupportedAttributePolicy {
- Ignore,
- Warn,
- ThrowException;
-
- public static final Set<UnsupportedAttributePolicy> VALUES =
- Collections.unmodifiableSet(EnumSet.allOf(UnsupportedAttributePolicy.class));
-}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/KeyReExchangeTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/KeyReExchangeTest.java b/sshd-core/src/test/java/org/apache/sshd/KeyReExchangeTest.java
index 06c9c75..473b6d5 100644
--- a/sshd-core/src/test/java/org/apache/sshd/KeyReExchangeTest.java
+++ b/sshd-core/src/test/java/org/apache/sshd/KeyReExchangeTest.java
@@ -19,6 +19,7 @@
package org.apache.sshd;
import java.io.ByteArrayOutputStream;
+import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PipedInputStream;
@@ -27,6 +28,7 @@ import java.lang.reflect.Proxy;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collection;
+import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
import java.util.concurrent.Semaphore;
@@ -51,10 +53,13 @@ import org.apache.sshd.common.kex.BuiltinDHFactories;
import org.apache.sshd.common.kex.KeyExchange;
import org.apache.sshd.common.session.Session;
import org.apache.sshd.common.session.SessionListener;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
import org.apache.sshd.common.util.io.NullOutputStream;
import org.apache.sshd.common.util.security.SecurityUtils;
+import org.apache.sshd.server.Command;
+import org.apache.sshd.server.Environment;
+import org.apache.sshd.server.ExitCallback;
import org.apache.sshd.server.SshServer;
+import org.apache.sshd.server.subsystem.SubsystemFactory;
import org.apache.sshd.util.test.BaseTestSupport;
import org.apache.sshd.util.test.JSchLogger;
import org.apache.sshd.util.test.OutputCountTrackingOutputStream;
@@ -96,6 +101,7 @@ public class KeyReExchangeTest extends BaseTestSupport {
protected void setUp(long bytesLimit, long timeLimit, long packetsLimit) throws Exception {
sshd = setupTestServer();
+ sshd.setSubsystemFactories(Collections.singletonList(new TestSubsystemFactory()));
if (bytesLimit > 0L) {
PropertyResolverUtils.updateProperty(sshd, FactoryManager.REKEY_BYTES_LIMIT, bytesLimit);
}
@@ -126,7 +132,7 @@ public class KeyReExchangeTest extends BaseTestSupport {
outputDebugMessage("Request switch to none cipher for %s", session);
KeyExchangeFuture switchFuture = session.switchToNoneCipher();
switchFuture.verify(5L, TimeUnit.SECONDS);
- try (ClientChannel channel = session.createSubsystemChannel(SftpConstants.SFTP_SUBSYSTEM_NAME)) {
+ try (ClientChannel channel = session.createSubsystemChannel(TestSubsystemFactory.NAME)) {
channel.open().verify(5L, TimeUnit.SECONDS);
}
} finally {
@@ -657,4 +663,47 @@ public class KeyReExchangeTest extends BaseTestSupport {
}
}
}
+
+ private static class TestSubsystemFactory implements SubsystemFactory {
+
+ public static final String NAME = "test-subsystem";
+
+ @Override
+ public Command create() {
+ return new Command() {
+ private ExitCallback callback;
+
+ @Override
+ public void setInputStream(InputStream in) {
+ }
+
+ @Override
+ public void setOutputStream(OutputStream out) {
+ }
+
+ @Override
+ public void setErrorStream(OutputStream err) {
+ }
+
+ @Override
+ public void setExitCallback(ExitCallback callback) {
+ this.callback = callback;
+ }
+
+ @Override
+ public void start(Environment env) throws IOException {
+ }
+
+ @Override
+ public void destroy() throws Exception {
+ callback.onExit(0);
+ }
+ };
+ }
+
+ @Override
+ public String getName() {
+ return NAME;
+ }
+ }
}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/ClientTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/ClientTest.java b/sshd-core/src/test/java/org/apache/sshd/client/ClientTest.java
index e67df5f..3d03e8e 100644
--- a/sshd-core/src/test/java/org/apache/sshd/client/ClientTest.java
+++ b/sshd-core/src/test/java/org/apache/sshd/client/ClientTest.java
@@ -65,7 +65,6 @@ import org.apache.sshd.client.future.AuthFuture;
import org.apache.sshd.client.future.OpenFuture;
import org.apache.sshd.client.session.ClientSession;
import org.apache.sshd.client.subsystem.SubsystemClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
import org.apache.sshd.common.Factory;
import org.apache.sshd.common.FactoryManager;
import org.apache.sshd.common.NamedResource;
@@ -77,7 +76,6 @@ import org.apache.sshd.common.SshException;
import org.apache.sshd.common.channel.Channel;
import org.apache.sshd.common.channel.ChannelListener;
import org.apache.sshd.common.channel.ChannelListenerManager;
-import org.apache.sshd.common.channel.TestChannelListener;
import org.apache.sshd.common.config.keys.KeyUtils;
import org.apache.sshd.common.future.CloseFuture;
import org.apache.sshd.common.future.SshFutureListener;
@@ -91,7 +89,6 @@ import org.apache.sshd.common.session.ConnectionService;
import org.apache.sshd.common.session.Session;
import org.apache.sshd.common.session.SessionListener;
import org.apache.sshd.common.session.helpers.AbstractSession;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
import org.apache.sshd.common.util.GenericUtils;
import org.apache.sshd.common.util.ValidateUtils;
import org.apache.sshd.common.util.buffer.Buffer;
@@ -111,12 +108,12 @@ import org.apache.sshd.server.session.ServerConnectionServiceFactory;
import org.apache.sshd.server.session.ServerSession;
import org.apache.sshd.server.session.ServerUserAuthService;
import org.apache.sshd.server.session.ServerUserAuthServiceFactory;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
import org.apache.sshd.util.test.AsyncEchoShellFactory;
import org.apache.sshd.util.test.BaseTestSupport;
import org.apache.sshd.util.test.EchoShell;
import org.apache.sshd.util.test.EchoShellFactory;
import org.apache.sshd.util.test.TeeOutputStream;
+import org.apache.sshd.util.test.TestChannelListener;
import org.junit.After;
import org.junit.Before;
import org.junit.FixMethodOrder;
@@ -453,7 +450,6 @@ public class ClientTest extends BaseTestSupport {
assertSame("Mismatched closed channel instances", channel, channelHolder.getAndSet(null));
}
});
- sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
client.start();
@@ -472,13 +468,6 @@ public class ClientTest extends BaseTestSupport {
throw new RuntimeException(e);
}
});
- testClientListener(channelHolder, SftpClient.class, () -> {
- try {
- return session.createSftpClient();
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- });
} finally {
client.stop();
}
@@ -1369,7 +1358,6 @@ public class ClientTest extends BaseTestSupport {
try (ClientSession session = createTestClientSession()) {
// required since we do not use an SFTP subsystem
PropertyResolverUtils.updateProperty(session, ChannelSubsystem.REQUEST_SUBSYSTEM_REPLY, false);
- channels.add(session.createChannel(Channel.CHANNEL_SUBSYSTEM, SftpConstants.SFTP_SUBSYSTEM_NAME));
channels.add(session.createChannel(Channel.CHANNEL_EXEC, getCurrentTestName()));
channels.add(session.createChannel(Channel.CHANNEL_SHELL, getClass().getSimpleName()));
@@ -1392,42 +1380,6 @@ public class ClientTest extends BaseTestSupport {
assertNull("Session closure not signalled", clientSessionHolder.get());
}
- /**
- * Makes sure that the {@link ChannelListener}s added to the client, session
- * and channel are <U>cumulative</U> - i.e., all of them invoked
- * @throws Exception If failed
- */
- @Test
- public void testChannelListenersPropagation() throws Exception {
- Map<String, TestChannelListener> clientListeners = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- addChannelListener(clientListeners, client, new TestChannelListener(client.getClass().getSimpleName()));
-
- // required since we do not use an SFTP subsystem
- PropertyResolverUtils.updateProperty(client, ChannelSubsystem.REQUEST_SUBSYSTEM_REPLY, false);
- client.start();
- try (ClientSession session = createTestClientSession()) {
- addChannelListener(clientListeners, session, new TestChannelListener(session.getClass().getSimpleName()));
- assertListenerSizes("ClientSessionOpen", clientListeners, 0, 0);
-
- try (ClientChannel channel = session.createSubsystemChannel(SftpConstants.SFTP_SUBSYSTEM_NAME)) {
- channel.open().verify(5L, TimeUnit.SECONDS);
-
- TestChannelListener channelListener = new TestChannelListener(channel.getClass().getSimpleName());
- // need to emulate them since we are adding the listener AFTER the channel is open
- channelListener.channelInitialized(channel);
- channelListener.channelOpenSuccess(channel);
- channel.addChannelListener(channelListener);
- assertListenerSizes("ClientChannelOpen", clientListeners, 1, 1);
- }
-
- assertListenerSizes("ClientChannelClose", clientListeners, 0, 1);
- } finally {
- client.stop();
- }
-
- assertListenerSizes("ClientStop", clientListeners, 0, 1);
- }
-
@Test
public void testConnectUsingIPv6Address() throws IOException {
client.start();
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/simple/SimpleSftpClientTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/simple/SimpleSftpClientTest.java b/sshd-core/src/test/java/org/apache/sshd/client/simple/SimpleSftpClientTest.java
deleted file mode 100644
index 6e037b0..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/simple/SimpleSftpClientTest.java
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.simple;
-
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.Collections;
-import java.util.EnumSet;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.common.file.FileSystemFactory;
-import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;
-import org.apache.sshd.common.session.Session;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.server.scp.ScpCommandFactory;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
-import org.apache.sshd.util.test.Utils;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runners.MethodSorters;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class SimpleSftpClientTest extends BaseSimpleClientTestSupport {
- private final Path targetPath;
- private final Path parentPath;
- private final FileSystemFactory fileSystemFactory;
-
- public SimpleSftpClientTest() throws Exception {
- targetPath = detectTargetFolder();
- parentPath = targetPath.getParent();
- fileSystemFactory = new VirtualFileSystemFactory(parentPath);
- }
-
- @Override
- public void setUp() throws Exception {
- super.setUp();
- sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
- sshd.setCommandFactory(new ScpCommandFactory());
- sshd.setFileSystemFactory(fileSystemFactory);
- client.start();
- }
-
- @Test
- public void testSessionClosedWhenClientClosed() throws Exception {
- try (SftpClient sftp = login()) {
- assertTrue("SFTP not open", sftp.isOpen());
-
- Session session = sftp.getClientSession();
- assertTrue("Session not open", session.isOpen());
-
- sftp.close();
- assertFalse("Session not closed", session.isOpen());
- assertFalse("SFTP not closed", sftp.isOpen());
- }
- }
-
- @Test
- public void testSftpProxyCalls() throws Exception {
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Utils.deleteRecursive(lclSftp);
- Path clientFolder = assertHierarchyTargetFolderExists(lclSftp).resolve("client");
- Path clientFile = clientFolder.resolve("file.txt");
- String remoteFileDir = Utils.resolveRelativeRemotePath(parentPath, clientFolder);
- String clientFileName = clientFile.getFileName().toString();
- String remoteFilePath = remoteFileDir + "/" + clientFileName;
-
- try (SftpClient sftp = login()) {
- sftp.mkdir(remoteFileDir);
-
- byte[] written = (getClass().getSimpleName() + "#" + getCurrentTestName() + IoUtils.EOL).getBytes(StandardCharsets.UTF_8);
- try (SftpClient.CloseableHandle h = sftp.open(remoteFilePath, EnumSet.of(SftpClient.OpenMode.Write, SftpClient.OpenMode.Create))) {
- sftp.write(h, 0L, written);
-
- SftpClient.Attributes attrs = sftp.stat(h);
- assertNotNull("No handle attributes", attrs);
- assertEquals("Mismatched remote file size", written.length, attrs.getSize());
- }
-
- assertTrue("Remote file not created: " + clientFile, Files.exists(clientFile, IoUtils.EMPTY_LINK_OPTIONS));
- byte[] local = Files.readAllBytes(clientFile);
- assertArrayEquals("Mismatched remote written data", written, local);
-
- try (SftpClient.CloseableHandle h = sftp.openDir(remoteFileDir)) {
- boolean matchFound = false;
- for (SftpClient.DirEntry entry : sftp.listDir(h)) {
- String name = entry.getFilename();
- if (clientFileName.equals(name)) {
- matchFound = true;
- break;
- }
- }
-
- assertTrue("No directory entry found for " + clientFileName, matchFound);
- }
-
- sftp.remove(remoteFilePath);
- assertFalse("Remote file not removed: " + clientFile, Files.exists(clientFile, IoUtils.EMPTY_LINK_OPTIONS));
- }
- }
-
- private SftpClient login() throws IOException {
- return simple.sftpLogin(TEST_LOCALHOST, port, getCurrentTestName(), getCurrentTestName());
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/AbstractSftpClientTestSupport.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/AbstractSftpClientTestSupport.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/AbstractSftpClientTestSupport.java
deleted file mode 100644
index 57c5998..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/AbstractSftpClientTestSupport.java
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.Path;
-import java.util.Collections;
-
-import org.apache.sshd.client.SshClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
-import org.apache.sshd.common.file.FileSystemFactory;
-import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;
-import org.apache.sshd.server.SshServer;
-import org.apache.sshd.server.scp.ScpCommandFactory;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
-import org.apache.sshd.util.test.BaseTestSupport;
-import org.apache.sshd.util.test.JSchLogger;
-import org.apache.sshd.util.test.Utils;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractSftpClientTestSupport extends BaseTestSupport {
- protected static SshServer sshd;
- protected static int port;
- protected static SshClient client;
-
- protected final FileSystemFactory fileSystemFactory;
-
- protected AbstractSftpClientTestSupport() throws IOException {
- Path targetPath = detectTargetFolder();
- Path parentPath = targetPath.getParent();
- fileSystemFactory = new VirtualFileSystemFactory(parentPath);
- }
-
- @BeforeClass
- public static void setupClientAndServer() throws Exception {
- JSchLogger.init();
- sshd = Utils.setupTestServer(AbstractSftpClientTestSupport.class);
- sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
- sshd.setCommandFactory(new ScpCommandFactory());
- sshd.start();
- port = sshd.getPort();
-
- client = Utils.setupTestClient(AbstractSftpClientTestSupport.class);
- client.start();
- }
-
- @AfterClass
- public static void tearDownClientAndServer() throws Exception {
- if (sshd != null) {
- try {
- sshd.stop(true);
- } finally {
- sshd = null;
- }
- }
-
- if (client != null) {
- try {
- client.stop();
- } finally {
- client = null;
- }
- }
- }
-
- protected void setupServer() throws Exception {
- sshd.setFileSystemFactory(fileSystemFactory);
- }
-
- protected static <E extends SftpClientExtension> E assertExtensionCreated(SftpClient sftp, Class<E> type) {
- E instance = sftp.getExtension(type);
- assertNotNull("Extension not created: " + type.getSimpleName(), instance);
- assertTrue("Extension not supported: " + instance.getName(), instance.isSupported());
- return instance;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/DefaultCloseableHandleTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/DefaultCloseableHandleTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/DefaultCloseableHandleTest.java
deleted file mode 100644
index e5265d5..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/DefaultCloseableHandleTest.java
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-import org.apache.sshd.client.subsystem.sftp.impl.DefaultCloseableHandle;
-import org.apache.sshd.util.test.BaseTestSupport;
-import org.apache.sshd.util.test.NoIoTestCase;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-import org.junit.runners.MethodSorters;
-import org.mockito.ArgumentMatchers;
-import org.mockito.Mockito;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-@Category({ NoIoTestCase.class })
-public class DefaultCloseableHandleTest extends BaseTestSupport {
- public DefaultCloseableHandleTest() {
- super();
- }
-
- @Test
- public void testChannelBehavior() throws IOException {
- final byte[] id = getCurrentTestName().getBytes(StandardCharsets.UTF_8);
- SftpClient client = Mockito.mock(SftpClient.class);
- Mockito.doAnswer(invocation -> {
- Object[] args = invocation.getArguments();
- Handle handle = (Handle) args[0];
- assertArrayEquals("Mismatched closing handle", id, handle.getIdentifier());
- return null;
- }).when(client).close(ArgumentMatchers.any(Handle.class));
-
- CloseableHandle handle = new DefaultCloseableHandle(client, getCurrentTestName(), id);
- try {
- assertTrue("Handle not initially open", handle.isOpen());
- } finally {
- handle.close();
- }
- assertFalse("Handle not marked as closed", handle.isOpen());
- // make sure close was called
- Mockito.verify(client).close(handle);
- }
-
- @Test
- public void testCloseIdempotent() throws IOException {
- SftpClient client = Mockito.mock(SftpClient.class);
- final AtomicBoolean closeCalled = new AtomicBoolean(false);
- Mockito.doAnswer(invocation -> {
- Object[] args = invocation.getArguments();
- assertFalse("Close already called on handle=" + args[0], closeCalled.getAndSet(true));
- return null;
- }).when(client).close(ArgumentMatchers.any(Handle.class));
-
- CloseableHandle handle = new DefaultCloseableHandle(client, getCurrentTestName(), getCurrentTestName().getBytes(StandardCharsets.UTF_8));
- for (int index = 0; index < Byte.SIZE; index++) {
- handle.close();
- }
-
- assertTrue("Close method not called", closeCalled.get());
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpCommandMain.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpCommandMain.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpCommandMain.java
deleted file mode 100644
index 4b34f92..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpCommandMain.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-/**
- * Just a test class used to invoke {@link SftpCommand#main(String[])} in
- * order to have logging - which is in {@code test} scope
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public final class SftpCommandMain {
- private SftpCommandMain() {
- throw new UnsupportedOperationException("No instance");
- }
-
- public static void main(String[] args) throws Exception {
- SftpCommand.main(args);
- }
-}
[13/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpIterableDirEntry.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpIterableDirEntry.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpIterableDirEntry.java
new file mode 100644
index 0000000..945e0d7
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpIterableDirEntry.java
@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.util.Objects;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
+import org.apache.sshd.common.util.ValidateUtils;
+
+/**
+ * Provides an {@link Iterable} implementation of the {@link DirEntry}-ies
+ * for a remote directory
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpIterableDirEntry implements Iterable<DirEntry> {
+ private final SftpClient client;
+ private final String path;
+
+ /**
+ * @param client The {@link SftpClient} instance to use for the iteration
+ * @param path The remote directory path
+ */
+ public SftpIterableDirEntry(SftpClient client, String path) {
+ this.client = Objects.requireNonNull(client, "No client instance");
+ this.path = ValidateUtils.checkNotNullAndNotEmpty(path, "No remote path");
+ }
+
+ /**
+ * The client instance
+ *
+ * @return {@link SftpClient} instance used to access the remote file
+ */
+ public final SftpClient getClient() {
+ return client;
+ }
+
+ /**
+ * The remotely accessed directory path
+ *
+ * @return Remote directory path
+ */
+ public final String getPath() {
+ return path;
+ }
+
+ @Override
+ public SftpDirEntryIterator iterator() {
+ try {
+ return new SftpDirEntryIterator(getClient(), getPath());
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpOutputStreamWithChannel.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpOutputStreamWithChannel.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpOutputStreamWithChannel.java
new file mode 100644
index 0000000..cf6d972
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpOutputStreamWithChannel.java
@@ -0,0 +1,124 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Objects;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.OpenMode;
+import org.apache.sshd.common.util.io.OutputStreamWithChannel;
+
+/**
+ * Implements an output stream for a given remote file
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpOutputStreamWithChannel extends OutputStreamWithChannel {
+ private final SftpClient client;
+ private final String path;
+ private final byte[] bb = new byte[1];
+ private final byte[] buffer;
+ private int index;
+ private CloseableHandle handle;
+ private long offset;
+
+ public SftpOutputStreamWithChannel(SftpClient client, int bufferSize, String path, Collection<OpenMode> mode) throws IOException {
+ this.client = Objects.requireNonNull(client, "No SFTP client instance");
+ this.path = path;
+ buffer = new byte[bufferSize];
+ handle = client.open(path, mode);
+ }
+
+ /**
+ * The client instance
+ *
+ * @return {@link SftpClient} instance used to access the remote file
+ */
+ public final SftpClient getClient() {
+ return client;
+ }
+
+ /**
+ * The remotely accessed file path
+ *
+ * @return Remote file path
+ */
+ public final String getPath() {
+ return path;
+ }
+
+ @Override
+ public boolean isOpen() {
+ return (handle != null) && handle.isOpen();
+ }
+
+ @Override
+ public void write(int b) throws IOException {
+ bb[0] = (byte) b;
+ write(bb, 0, 1);
+ }
+
+ @Override
+ public void write(byte[] b, int off, int len) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("write(" + getPath() + ")[len=" + len + "] stream is closed");
+ }
+
+ do {
+ int nb = Math.min(len, buffer.length - index);
+ System.arraycopy(b, off, buffer, index, nb);
+ index += nb;
+ if (index == buffer.length) {
+ flush();
+ }
+ off += nb;
+ len -= nb;
+ } while (len > 0);
+ }
+
+ @Override
+ public void flush() throws IOException {
+ if (!isOpen()) {
+ throw new IOException("flush(" + getPath() + ") stream is closed");
+ }
+
+ client.write(handle, offset, buffer, 0, index);
+ offset += index;
+ index = 0;
+ }
+
+ @Override
+ public void close() throws IOException {
+ if (isOpen()) {
+ try {
+ try {
+ if (index > 0) {
+ flush();
+ }
+ } finally {
+ handle.close();
+ }
+ } finally {
+ handle = null;
+ }
+ }
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPath.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPath.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPath.java
new file mode 100644
index 0000000..5567b58
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPath.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.FileSystem;
+import java.nio.file.LinkOption;
+import java.nio.file.spi.FileSystemProvider;
+import java.util.List;
+
+import org.apache.sshd.common.file.util.BasePath;
+
+public class SftpPath extends BasePath<SftpPath, SftpFileSystem> {
+ public SftpPath(SftpFileSystem fileSystem, String root, List<String> names) {
+ super(fileSystem, root, names);
+ }
+
+ @Override
+ public SftpPath toRealPath(LinkOption... options) throws IOException {
+ // TODO: handle links
+ SftpPath absolute = toAbsolutePath();
+ FileSystem fs = getFileSystem();
+ FileSystemProvider provider = fs.provider();
+ provider.checkAccess(absolute);
+ return absolute;
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPathIterator.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPathIterator.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPathIterator.java
new file mode 100644
index 0000000..49b4b48
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPathIterator.java
@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.nio.file.Path;
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpPathIterator implements Iterator<Path> {
+ private final SftpPath p;
+ private final Iterator<? extends SftpClient.DirEntry> it;
+ private boolean dotIgnored;
+ private boolean dotdotIgnored;
+ private SftpClient.DirEntry curEntry;
+
+ public SftpPathIterator(SftpPath path, Iterable<? extends SftpClient.DirEntry> iter) {
+ this(path, (iter == null) ? null : iter.iterator());
+ }
+
+ public SftpPathIterator(SftpPath path, Iterator<? extends SftpClient.DirEntry> iter) {
+ p = path;
+ it = iter;
+ curEntry = nextEntry();
+ }
+
+ @Override
+ public boolean hasNext() {
+ return curEntry != null;
+ }
+
+ @Override
+ public Path next() {
+ if (curEntry == null) {
+ throw new NoSuchElementException("No next entry");
+ }
+
+ SftpClient.DirEntry entry = curEntry;
+ curEntry = nextEntry();
+ return p.resolve(entry.getFilename());
+ }
+
+ private SftpClient.DirEntry nextEntry() {
+ while ((it != null) && it.hasNext()) {
+ SftpClient.DirEntry entry = it.next();
+ String name = entry.getFilename();
+ if (".".equals(name) && (!dotIgnored)) {
+ dotIgnored = true;
+ } else if ("..".equals(name) && (!dotdotIgnored)) {
+ dotdotIgnored = true;
+ } else {
+ return entry;
+ }
+ }
+
+ return null;
+ }
+
+ @Override
+ public void remove() {
+ throw new UnsupportedOperationException("newDirectoryStream(" + p + ") Iterator#remove() N/A");
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributeView.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributeView.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributeView.java
new file mode 100644
index 0000000..1fb614c
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributeView.java
@@ -0,0 +1,94 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.LinkOption;
+import java.nio.file.Path;
+import java.nio.file.attribute.FileTime;
+import java.nio.file.attribute.GroupPrincipal;
+import java.nio.file.attribute.PosixFileAttributeView;
+import java.nio.file.attribute.PosixFileAttributes;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.UserPrincipal;
+import java.util.Set;
+
+import org.apache.sshd.client.subsystem.sftp.impl.AbstractSftpFileAttributeView;
+import org.apache.sshd.common.util.GenericUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpPosixFileAttributeView extends AbstractSftpFileAttributeView implements PosixFileAttributeView {
+ public SftpPosixFileAttributeView(SftpFileSystemProvider provider, Path path, LinkOption... options) {
+ super(provider, path, options);
+ }
+
+ @Override
+ public String name() {
+ return "posix";
+ }
+
+ @Override
+ public PosixFileAttributes readAttributes() throws IOException {
+ return new SftpPosixFileAttributes(path, readRemoteAttributes());
+ }
+
+ @Override
+ public void setTimes(FileTime lastModifiedTime, FileTime lastAccessTime, FileTime createTime) throws IOException {
+ SftpClient.Attributes attrs = new SftpClient.Attributes();
+ if (lastModifiedTime != null) {
+ attrs.modifyTime(lastModifiedTime);
+ }
+ if (lastAccessTime != null) {
+ attrs.accessTime(lastAccessTime);
+ }
+ if (createTime != null) {
+ attrs.createTime(createTime);
+ }
+
+ if (GenericUtils.isEmpty(attrs.getFlags())) {
+ if (log.isDebugEnabled()) {
+ log.debug("setTimes({}) no changes", path);
+ }
+ } else {
+ writeRemoteAttributes(attrs);
+ }
+ }
+
+ @Override
+ public void setPermissions(Set<PosixFilePermission> perms) throws IOException {
+ provider.setAttribute(path, "permissions", perms, options);
+ }
+
+ @Override
+ public void setGroup(GroupPrincipal group) throws IOException {
+ provider.setAttribute(path, "group", group, options);
+ }
+
+ @Override
+ public UserPrincipal getOwner() throws IOException {
+ return readAttributes().owner();
+ }
+
+ @Override
+ public void setOwner(UserPrincipal owner) throws IOException {
+ provider.setAttribute(path, "owner", owner, options);
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributes.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributes.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributes.java
new file mode 100644
index 0000000..a07e67f
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributes.java
@@ -0,0 +1,113 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.nio.file.Path;
+import java.nio.file.attribute.FileTime;
+import java.nio.file.attribute.GroupPrincipal;
+import java.nio.file.attribute.PosixFileAttributes;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.UserPrincipal;
+import java.util.Set;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Attributes;
+import org.apache.sshd.common.util.GenericUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpPosixFileAttributes implements PosixFileAttributes {
+ private final Path path;
+ private final Attributes attributes;
+
+ public SftpPosixFileAttributes(Path path, Attributes attributes) {
+ this.path = path;
+ this.attributes = attributes;
+ }
+
+ /**
+ * @return The referenced attributes file {@link Path}
+ */
+ public final Path getPath() {
+ return path;
+ }
+
+ @Override
+ public UserPrincipal owner() {
+ String owner = attributes.getOwner();
+ return GenericUtils.isEmpty(owner) ? null : new SftpFileSystem.DefaultUserPrincipal(owner);
+ }
+
+ @Override
+ public GroupPrincipal group() {
+ String group = attributes.getGroup();
+ return GenericUtils.isEmpty(group) ? null : new SftpFileSystem.DefaultGroupPrincipal(group);
+ }
+
+ @Override
+ public Set<PosixFilePermission> permissions() {
+ return SftpFileSystemProvider.permissionsToAttributes(attributes.getPermissions());
+ }
+
+ @Override
+ public FileTime lastModifiedTime() {
+ return attributes.getModifyTime();
+ }
+
+ @Override
+ public FileTime lastAccessTime() {
+ return attributes.getAccessTime();
+ }
+
+ @Override
+ public FileTime creationTime() {
+ return attributes.getCreateTime();
+ }
+
+ @Override
+ public boolean isRegularFile() {
+ return attributes.isRegularFile();
+ }
+
+ @Override
+ public boolean isDirectory() {
+ return attributes.isDirectory();
+ }
+
+ @Override
+ public boolean isSymbolicLink() {
+ return attributes.isSymbolicLink();
+ }
+
+ @Override
+ public boolean isOther() {
+ return attributes.isOther();
+ }
+
+ @Override
+ public long size() {
+ return attributes.getSize();
+ }
+
+ @Override
+ public Object fileKey() {
+ // TODO consider implementing this
+ return null;
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpRemotePathChannel.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpRemotePathChannel.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpRemotePathChannel.java
new file mode 100644
index 0000000..9195009
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpRemotePathChannel.java
@@ -0,0 +1,412 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.MappedByteBuffer;
+import java.nio.channels.AsynchronousCloseException;
+import java.nio.channels.ClosedChannelException;
+import java.nio.channels.FileChannel;
+import java.nio.channels.FileLock;
+import java.nio.channels.OverlappingFileLockException;
+import java.nio.channels.ReadableByteChannel;
+import java.nio.channels.WritableByteChannel;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.io.IoUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpRemotePathChannel extends FileChannel {
+ public static final String COPY_BUFSIZE_PROP = "sftp-channel-copy-buf-size";
+ public static final int DEFAULT_TRANSFER_BUFFER_SIZE = IoUtils.DEFAULT_COPY_SIZE;
+
+ public static final Set<SftpClient.OpenMode> READ_MODES =
+ Collections.unmodifiableSet(EnumSet.of(SftpClient.OpenMode.Read));
+
+ public static final Set<SftpClient.OpenMode> WRITE_MODES =
+ Collections.unmodifiableSet(
+ EnumSet.of(SftpClient.OpenMode.Write, SftpClient.OpenMode.Append, SftpClient.OpenMode.Create, SftpClient.OpenMode.Truncate));
+
+ private final String path;
+ private final Collection<SftpClient.OpenMode> modes;
+ private final boolean closeOnExit;
+ private final SftpClient sftp;
+ private final SftpClient.CloseableHandle handle;
+ private final Object lock = new Object();
+ private final AtomicLong posTracker = new AtomicLong(0L);
+ private final AtomicReference<Thread> blockingThreadHolder = new AtomicReference<>(null);
+
+ public SftpRemotePathChannel(String path, SftpClient sftp, boolean closeOnExit, Collection<SftpClient.OpenMode> modes) throws IOException {
+ this.path = ValidateUtils.checkNotNullAndNotEmpty(path, "No remote file path specified");
+ this.modes = Objects.requireNonNull(modes, "No channel modes specified");
+ this.sftp = Objects.requireNonNull(sftp, "No SFTP client instance");
+ this.closeOnExit = closeOnExit;
+ this.handle = sftp.open(path, modes);
+ }
+
+ public String getRemotePath() {
+ return path;
+ }
+
+ @Override
+ public int read(ByteBuffer dst) throws IOException {
+ return (int) doRead(Collections.singletonList(dst), -1);
+ }
+
+ @Override
+ public int read(ByteBuffer dst, long position) throws IOException {
+ if (position < 0) {
+ throw new IllegalArgumentException("read(" + getRemotePath() + ") illegal position to read from: " + position);
+ }
+ return (int) doRead(Collections.singletonList(dst), position);
+ }
+
+ @Override
+ public long read(ByteBuffer[] dsts, int offset, int length) throws IOException {
+ List<ByteBuffer> buffers = Arrays.asList(dsts).subList(offset, offset + length);
+ return doRead(buffers, -1);
+ }
+
+ protected long doRead(List<ByteBuffer> buffers, long position) throws IOException {
+ ensureOpen(READ_MODES);
+ synchronized (lock) {
+ boolean completed = false;
+ boolean eof = false;
+ long curPos = (position >= 0L) ? position : posTracker.get();
+ try {
+ long totalRead = 0;
+ beginBlocking();
+ loop:
+ for (ByteBuffer buffer : buffers) {
+ while (buffer.remaining() > 0) {
+ ByteBuffer wrap = buffer;
+ if (!buffer.hasArray()) {
+ wrap = ByteBuffer.allocate(Math.min(IoUtils.DEFAULT_COPY_SIZE, buffer.remaining()));
+ }
+ int read = sftp.read(handle, curPos, wrap.array(), wrap.arrayOffset() + wrap.position(), wrap.remaining());
+ if (read > 0) {
+ if (wrap == buffer) {
+ wrap.position(wrap.position() + read);
+ } else {
+ buffer.put(wrap.array(), wrap.arrayOffset(), read);
+ }
+ curPos += read;
+ totalRead += read;
+ } else {
+ eof = read == -1;
+ break loop;
+ }
+ }
+ }
+ completed = true;
+ if (totalRead > 0) {
+ return totalRead;
+ }
+
+ if (eof) {
+ return -1;
+ } else {
+ return 0;
+ }
+ } finally {
+ if (position < 0L) {
+ posTracker.set(curPos);
+ }
+ endBlocking(completed);
+ }
+ }
+ }
+
+ @Override
+ public int write(ByteBuffer src) throws IOException {
+ return (int) doWrite(Collections.singletonList(src), -1);
+ }
+
+ @Override
+ public int write(ByteBuffer src, long position) throws IOException {
+ if (position < 0L) {
+ throw new IllegalArgumentException("write(" + getRemotePath() + ") illegal position to write to: " + position);
+ }
+ return (int) doWrite(Collections.singletonList(src), position);
+ }
+
+ @Override
+ public long write(ByteBuffer[] srcs, int offset, int length) throws IOException {
+ List<ByteBuffer> buffers = Arrays.asList(srcs).subList(offset, offset + length);
+ return doWrite(buffers, -1);
+ }
+
+ protected long doWrite(List<ByteBuffer> buffers, long position) throws IOException {
+ ensureOpen(WRITE_MODES);
+ synchronized (lock) {
+ boolean completed = false;
+ long curPos = (position >= 0L) ? position : posTracker.get();
+ try {
+ long totalWritten = 0L;
+ beginBlocking();
+ for (ByteBuffer buffer : buffers) {
+ while (buffer.remaining() > 0) {
+ ByteBuffer wrap = buffer;
+ if (!buffer.hasArray()) {
+ wrap = ByteBuffer.allocate(Math.min(IoUtils.DEFAULT_COPY_SIZE, buffer.remaining()));
+ buffer.get(wrap.array(), wrap.arrayOffset(), wrap.remaining());
+ }
+ int written = wrap.remaining();
+ sftp.write(handle, curPos, wrap.array(), wrap.arrayOffset() + wrap.position(), written);
+ if (wrap == buffer) {
+ wrap.position(wrap.position() + written);
+ }
+ curPos += written;
+ totalWritten += written;
+ }
+ }
+ completed = true;
+ return totalWritten;
+ } finally {
+ if (position < 0L) {
+ posTracker.set(curPos);
+ }
+ endBlocking(completed);
+ }
+ }
+ }
+
+ @Override
+ public long position() throws IOException {
+ ensureOpen(Collections.emptySet());
+ return posTracker.get();
+ }
+
+ @Override
+ public FileChannel position(long newPosition) throws IOException {
+ if (newPosition < 0L) {
+ throw new IllegalArgumentException("position(" + getRemotePath() + ") illegal file channel position: " + newPosition);
+ }
+
+ ensureOpen(Collections.emptySet());
+ posTracker.set(newPosition);
+ return this;
+ }
+
+ @Override
+ public long size() throws IOException {
+ ensureOpen(Collections.emptySet());
+ return sftp.stat(handle).getSize();
+ }
+
+ @Override
+ public FileChannel truncate(long size) throws IOException {
+ ensureOpen(Collections.emptySet());
+ sftp.setStat(handle, new SftpClient.Attributes().size(size));
+ return this;
+ }
+
+ @Override
+ public void force(boolean metaData) throws IOException {
+ ensureOpen(Collections.emptySet());
+ }
+
+ @Override
+ public long transferTo(long position, long count, WritableByteChannel target) throws IOException {
+ if ((position < 0) || (count < 0)) {
+ throw new IllegalArgumentException("transferTo(" + getRemotePath() + ") illegal position (" + position + ") or count (" + count + ")");
+ }
+ ensureOpen(READ_MODES);
+ synchronized (lock) {
+ boolean completed = false;
+ boolean eof = false;
+ long curPos = position;
+ try {
+ beginBlocking();
+
+ int bufSize = (int) Math.min(count, Short.MAX_VALUE + 1);
+ byte[] buffer = new byte[bufSize];
+ long totalRead = 0L;
+ while (totalRead < count) {
+ int read = sftp.read(handle, curPos, buffer, 0, buffer.length);
+ if (read > 0) {
+ ByteBuffer wrap = ByteBuffer.wrap(buffer);
+ while (wrap.remaining() > 0) {
+ target.write(wrap);
+ }
+ curPos += read;
+ totalRead += read;
+ } else {
+ eof = read == -1;
+ }
+ }
+ completed = true;
+ return totalRead > 0 ? totalRead : eof ? -1 : 0;
+ } finally {
+ endBlocking(completed);
+ }
+ }
+ }
+
+ @Override
+ public long transferFrom(ReadableByteChannel src, long position, long count) throws IOException {
+ if ((position < 0) || (count < 0)) {
+ throw new IllegalArgumentException("transferFrom(" + getRemotePath() + ") illegal position (" + position + ") or count (" + count + ")");
+ }
+ ensureOpen(WRITE_MODES);
+
+ int copySize = sftp.getClientSession().getIntProperty(COPY_BUFSIZE_PROP, DEFAULT_TRANSFER_BUFFER_SIZE);
+ boolean completed = false;
+ long curPos = (position >= 0L) ? position : posTracker.get();
+ long totalRead = 0L;
+ byte[] buffer = new byte[(int) Math.min(copySize, count)];
+
+ synchronized (lock) {
+ try {
+ beginBlocking();
+
+ while (totalRead < count) {
+ ByteBuffer wrap = ByteBuffer.wrap(buffer, 0, (int) Math.min(buffer.length, count - totalRead));
+ int read = src.read(wrap);
+ if (read > 0) {
+ sftp.write(handle, curPos, buffer, 0, read);
+ curPos += read;
+ totalRead += read;
+ } else {
+ break;
+ }
+ }
+ completed = true;
+ return totalRead;
+ } finally {
+ endBlocking(completed);
+ }
+ }
+ }
+
+ @Override
+ public MappedByteBuffer map(MapMode mode, long position, long size) throws IOException {
+ throw new UnsupportedOperationException("map(" + getRemotePath() + ")[" + mode + "," + position + "," + size + "] N/A");
+ }
+
+ @Override
+ public FileLock lock(long position, long size, boolean shared) throws IOException {
+ return tryLock(position, size, shared);
+ }
+
+ @Override
+ public FileLock tryLock(final long position, final long size, boolean shared) throws IOException {
+ ensureOpen(Collections.emptySet());
+
+ try {
+ sftp.lock(handle, position, size, 0);
+ } catch (SftpException e) {
+ if (e.getStatus() == SftpConstants.SSH_FX_LOCK_CONFLICT) {
+ throw new OverlappingFileLockException();
+ }
+ throw e;
+ }
+
+ return new FileLock(this, position, size, shared) {
+ private final AtomicBoolean valid = new AtomicBoolean(true);
+
+ @Override
+ public boolean isValid() {
+ return acquiredBy().isOpen() && valid.get();
+ }
+
+ @SuppressWarnings("synthetic-access")
+ @Override
+ public void release() throws IOException {
+ if (valid.compareAndSet(true, false)) {
+ sftp.unlock(handle, position, size);
+ }
+ }
+ };
+ }
+
+ @Override
+ protected void implCloseChannel() throws IOException {
+ try {
+ final Thread thread = blockingThreadHolder.get();
+ if (thread != null) {
+ thread.interrupt();
+ }
+ } finally {
+ try {
+ handle.close();
+ } finally {
+ if (closeOnExit) {
+ sftp.close();
+ }
+ }
+ }
+ }
+
+ private void beginBlocking() {
+ begin();
+ blockingThreadHolder.set(Thread.currentThread());
+ }
+
+ private void endBlocking(boolean completed) throws AsynchronousCloseException {
+ blockingThreadHolder.set(null);
+ end(completed);
+ }
+
+ /**
+ * Checks that the channel is open and that its current mode contains
+ * at least one of the required ones
+ *
+ * @param reqModes The required modes - ignored if {@code null}/empty
+ * @throws IOException If channel not open or the required modes are not
+ * satisfied
+ */
+ private void ensureOpen(Collection<SftpClient.OpenMode> reqModes) throws IOException {
+ if (!isOpen()) {
+ throw new ClosedChannelException();
+ }
+
+ if (GenericUtils.size(reqModes) > 0) {
+ for (SftpClient.OpenMode m : reqModes) {
+ if (this.modes.contains(m)) {
+ return;
+ }
+ }
+
+ throw new IOException("ensureOpen(" + getRemotePath() + ") current channel modes (" + this.modes + ") do contain any of the required: " + reqModes);
+ }
+ }
+
+ @Override
+ public String toString() {
+ return getRemotePath();
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelector.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelector.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelector.java
new file mode 100644
index 0000000..3c58da3
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelector.java
@@ -0,0 +1,126 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.StreamSupport;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.NumberUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FunctionalInterface
+public interface SftpVersionSelector {
+ /**
+ * An {@link SftpVersionSelector} that returns the current version
+ */
+ SftpVersionSelector CURRENT = new NamedVersionSelector("CURRENT", (session, current, available) -> current);
+
+ /**
+ * An {@link SftpVersionSelector} that returns the maximum available version
+ */
+ SftpVersionSelector MAXIMUM = new NamedVersionSelector("MAXIMUM", (session, current, available) ->
+ GenericUtils.stream(available).mapToInt(Integer::intValue).max().orElse(current));
+
+ /**
+ * An {@link SftpVersionSelector} that returns the maximum available version
+ */
+ SftpVersionSelector MINIMUM = new NamedVersionSelector("MINIMUM", (session, current, available) ->
+ GenericUtils.stream(available).mapToInt(Integer::intValue).min().orElse(current));
+
+ /**
+ * @param session The {@link ClientSession} through which the SFTP connection is made
+ * @param current The current version negotiated with the server
+ * @param available Extra versions available - may be empty and/or contain only the current one
+ * @return The new requested version - if same as current, then nothing is done
+ */
+ int selectVersion(ClientSession session, int current, List<Integer> available);
+
+ /**
+ * Creates a selector the always returns the requested (fixed version) regardless
+ * of what the current or reported available versions are. If the requested version
+ * is not reported as available then an exception will be eventually thrown by the
+ * client during re-negotiation phase.
+ *
+ * @param version The requested version
+ * @return The {@link SftpVersionSelector}
+ */
+ static SftpVersionSelector fixedVersionSelector(int version) {
+ return new NamedVersionSelector(Integer.toString(version), (session, current, available) -> version);
+ }
+
+ /**
+ * Selects a version in order of preference - if none of the preferred
+ * versions is listed as available then an exception is thrown when the
+ * {@link SftpVersionSelector#selectVersion(ClientSession, int, List)} method is invoked
+ *
+ * @param preferred The preferred versions in decreasing order of
+ * preference (i.e., most preferred is 1st) - may not be {@code null}/empty
+ * @return A {@link SftpVersionSelector} that attempts to select
+ * the most preferred version that is also listed as available.
+ */
+ static SftpVersionSelector preferredVersionSelector(int... preferred) {
+ return preferredVersionSelector(NumberUtils.asList(preferred));
+ }
+
+ /**
+ * Selects a version in order of preference - if none of the preferred
+ * versions is listed as available then an exception is thrown when the
+ * {@link SftpVersionSelector#selectVersion(ClientSession, int, List)} method is invoked
+ *
+ * @param preferred The preferred versions in decreasing order of
+ * preference (i.e., most preferred is 1st)
+ * @return A {@link SftpVersionSelector} that attempts to select
+ * the most preferred version that is also listed as available.
+ */
+ static SftpVersionSelector preferredVersionSelector(Iterable<? extends Number> preferred) {
+ ValidateUtils.checkNotNullAndNotEmpty((Collection<?>) preferred, "Empty preferred versions");
+ return new NamedVersionSelector(GenericUtils.join(preferred, ','), (session, current, available) -> StreamSupport.stream(preferred.spliterator(), false)
+ .mapToInt(Number::intValue)
+ .filter(v -> v == current || available.contains(v))
+ .findFirst()
+ .orElseThrow(() -> new IllegalStateException("Preferred versions (" + preferred + ") not available: " + available)));
+ }
+
+ class NamedVersionSelector implements SftpVersionSelector {
+ private final String name;
+ private final SftpVersionSelector selector;
+
+ public NamedVersionSelector(String name, SftpVersionSelector selector) {
+ this.name = name;
+ this.selector = selector;
+ }
+
+ @Override
+ public int selectVersion(ClientSession session, int current, List<Integer> available) {
+ return selector.selectVersion(session, current, available);
+ }
+
+ @Override
+ public String toString() {
+ return name;
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/StfpIterableDirHandle.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/StfpIterableDirHandle.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/StfpIterableDirHandle.java
new file mode 100644
index 0000000..c3be157
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/StfpIterableDirHandle.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.util.Objects;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+
+public class StfpIterableDirHandle implements Iterable<DirEntry> {
+ private final SftpClient client;
+ private final Handle handle;
+
+ /**
+ * @param client The {@link SftpClient} to use for iteration
+ * @param handle The remote directory {@link Handle}
+ */
+ public StfpIterableDirHandle(SftpClient client, Handle handle) {
+ this.client = Objects.requireNonNull(client, "No client instance");
+ this.handle = handle;
+ }
+
+ /**
+ * The client instance
+ *
+ * @return {@link SftpClient} instance used to access the remote file
+ */
+ public final SftpClient getClient() {
+ return client;
+ }
+
+ /**
+ * @return The remote directory {@link Handle}
+ */
+ public final Handle getHandle() {
+ return handle;
+ }
+
+ @Override
+ public SftpDirEntryIterator iterator() {
+ return new SftpDirEntryIterator(getClient(), getHandle());
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensions.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensions.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensions.java
new file mode 100644
index 0000000..9e83837
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensions.java
@@ -0,0 +1,162 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.helpers.CheckFileHandleExtensionImpl;
+import org.apache.sshd.client.subsystem.sftp.extensions.helpers.CheckFileNameExtensionImpl;
+import org.apache.sshd.client.subsystem.sftp.extensions.helpers.CopyDataExtensionImpl;
+import org.apache.sshd.client.subsystem.sftp.extensions.helpers.CopyFileExtensionImpl;
+import org.apache.sshd.client.subsystem.sftp.extensions.helpers.MD5FileExtensionImpl;
+import org.apache.sshd.client.subsystem.sftp.extensions.helpers.MD5HandleExtensionImpl;
+import org.apache.sshd.client.subsystem.sftp.extensions.helpers.SpaceAvailableExtensionImpl;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHFsyncExtension;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatHandleExtension;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatPathExtension;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers.OpenSSHFsyncExtensionImpl;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers.OpenSSHStatHandleExtensionImpl;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers.OpenSSHStatPathExtensionImpl;
+import org.apache.sshd.common.NamedResource;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FstatVfsExtensionParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FsyncExtensionParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.StatVfsExtensionParser;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public enum BuiltinSftpClientExtensions implements SftpClientExtensionFactory {
+ COPY_FILE(SftpConstants.EXT_COPY_FILE, CopyFileExtension.class) {
+ @Override // co-variant return
+ public CopyFileExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
+ return new CopyFileExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
+ }
+ },
+ COPY_DATA(SftpConstants.EXT_COPY_DATA, CopyDataExtension.class) {
+ @Override // co-variant return
+ public CopyDataExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
+ return new CopyDataExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
+ }
+ },
+ MD5_FILE(SftpConstants.EXT_MD5_HASH, MD5FileExtension.class) {
+ @Override // co-variant return
+ public MD5FileExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
+ return new MD5FileExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
+ }
+ },
+ MD5_HANDLE(SftpConstants.EXT_MD5_HASH_HANDLE, MD5HandleExtension.class) {
+ @Override // co-variant return
+ public MD5HandleExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
+ return new MD5HandleExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
+ }
+ },
+ CHECK_FILE_NAME(SftpConstants.EXT_CHECK_FILE_NAME, CheckFileNameExtension.class) {
+ @Override // co-variant return
+ public CheckFileNameExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
+ return new CheckFileNameExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
+ }
+ },
+ CHECK_FILE_HANDLE(SftpConstants.EXT_CHECK_FILE_HANDLE, CheckFileHandleExtension.class) {
+ @Override // co-variant return
+ public CheckFileHandleExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
+ return new CheckFileHandleExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
+ }
+ },
+ SPACE_AVAILABLE(SftpConstants.EXT_SPACE_AVAILABLE, SpaceAvailableExtension.class) {
+ @Override // co-variant return
+ public SpaceAvailableExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
+ return new SpaceAvailableExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
+ }
+ },
+ OPENSSH_FSYNC(FsyncExtensionParser.NAME, OpenSSHFsyncExtension.class) {
+ @Override // co-variant return
+ public OpenSSHFsyncExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
+ return new OpenSSHFsyncExtensionImpl(client, raw, extensions);
+ }
+ },
+ OPENSSH_STAT_HANDLE(FstatVfsExtensionParser.NAME, OpenSSHStatHandleExtension.class) {
+ @Override // co-variant return
+ public OpenSSHStatHandleExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
+ return new OpenSSHStatHandleExtensionImpl(client, raw, extensions);
+ }
+ },
+ OPENSSH_STAT_PATH(StatVfsExtensionParser.NAME, OpenSSHStatPathExtension.class) {
+ @Override // co-variant return
+ public OpenSSHStatPathExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
+ return new OpenSSHStatPathExtensionImpl(client, raw, extensions);
+ }
+ };
+
+ public static final Set<BuiltinSftpClientExtensions> VALUES =
+ Collections.unmodifiableSet(EnumSet.allOf(BuiltinSftpClientExtensions.class));
+
+ private final String name;
+
+ private final Class<? extends SftpClientExtension> type;
+
+ BuiltinSftpClientExtensions(String name, Class<? extends SftpClientExtension> type) {
+ this.name = name;
+ this.type = type;
+ }
+
+ @Override
+ public final String getName() {
+ return name;
+ }
+
+ public final Class<? extends SftpClientExtension> getType() {
+ return type;
+ }
+
+ public static BuiltinSftpClientExtensions fromName(String n) {
+ return NamedResource.findByName(n, String.CASE_INSENSITIVE_ORDER, VALUES);
+ }
+
+ public static BuiltinSftpClientExtensions fromInstance(Object o) {
+ return fromType((o == null) ? null : o.getClass());
+ }
+
+ public static BuiltinSftpClientExtensions fromType(Class<?> type) {
+ if ((type == null) || (!SftpClientExtension.class.isAssignableFrom(type))) {
+ return null;
+ }
+
+ // the base class is assignable to everybody so we cannot distinguish between the enum(s)
+ if (SftpClientExtension.class == type) {
+ return null;
+ }
+
+ for (BuiltinSftpClientExtensions v : VALUES) {
+ Class<?> vt = v.getType();
+ if (vt.isAssignableFrom(type)) {
+ return v;
+ }
+ }
+
+ return null;
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileHandleExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileHandleExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileHandleExtension.java
new file mode 100644
index 0000000..3261a63
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileHandleExtension.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Map;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.2</A>
+ */
+public interface CheckFileHandleExtension extends SftpClientExtension {
+ /**
+ * @param handle Remote file {@link Handle} - must be a file and opened for read
+ * @param algorithms Hash algorithms in preferred order
+ * @param startOffset Start offset of the hash
+ * @param length Length of data to hash - if zero then till EOF
+ * @param blockSize Input block size to calculate individual hashes - if
+ * zero the <U>one</U> hash of <U>all</U> the data
+ * @return An <U>immutable</U> {@link java.util.Map.Entry} where key=hash algorithm name,
+ * value=the calculated hashes.
+ * @throws IOException If failed to execute the command
+ */
+ Map.Entry<String, Collection<byte[]>> checkFileHandle(Handle handle, Collection<String> algorithms, long startOffset, long length, int blockSize) throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileNameExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileNameExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileNameExtension.java
new file mode 100644
index 0000000..14e0204
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileNameExtension.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Map;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.2</A>
+ */
+public interface CheckFileNameExtension extends SftpClientExtension {
+ /**
+ * @param name Remote file name/path
+ * @param algorithms Hash algorithms in preferred order
+ * @param startOffset Start offset of the hash
+ * @param length Length of data to hash - if zero then till EOF
+ * @param blockSize Input block size to calculate individual hashes - if
+ * zero the <U>one</U> hash of <U>all</U> the data
+ * @return An <U>immutable</U> {@link java.util.Map.Entry} key left=hash algorithm name,
+ * value=the calculated hashes.
+ * @throws IOException If failed to execute the command
+ */
+ Map.Entry<String, Collection<byte[]>> checkFileName(String name, Collection<String> algorithms, long startOffset, long length, int blockSize) throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyDataExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyDataExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyDataExtension.java
new file mode 100644
index 0000000..0250b86
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyDataExtension.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import java.io.IOException;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+
+/**
+ * Implements the "copy-data" extension
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="http://tools.ietf.org/id/draft-ietf-secsh-filexfer-extensions-00.txt">DRAFT 00 section 7</A>
+ */
+public interface CopyDataExtension extends SftpClientExtension {
+ void copyData(Handle readHandle, long readOffset, long readLength, Handle writeHandle, long writeOffset) throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyFileExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyFileExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyFileExtension.java
new file mode 100644
index 0000000..749c1a6
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyFileExtension.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import java.io.IOException;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-extensions-00#section-6">copy-file extension</A>
+ */
+public interface CopyFileExtension extends SftpClientExtension {
+ /**
+ * @param src The (<U>remote</U>) file source path
+ * @param dst The (<U>remote</U>) file destination path
+ * @param overwriteDestination If {@code true} then OK to override destination if exists
+ * @throws IOException If failed to execute the command or extension not supported
+ */
+ void copyFile(String src, String dst, boolean overwriteDestination) throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5FileExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5FileExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5FileExtension.java
new file mode 100644
index 0000000..2e8d23f
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5FileExtension.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import java.io.IOException;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.1</A>
+ */
+public interface MD5FileExtension extends SftpClientExtension {
+ /**
+ * @param path The (remote) path
+ * @param offset The offset to start calculating the hash
+ * @param length The number of data bytes to calculate the hash on - if
+ * greater than available, then up to whatever is available
+ * @param quickHash A quick-hash of the 1st 2048 bytes - ignored if {@code null}/empty
+ * @return The hash value if the quick hash matches (or {@code null}/empty), or
+ * {@code null}/empty if the quick hash is provided and it does not match
+ * @throws IOException If failed to calculate the hash
+ */
+ byte[] getHash(String path, long offset, long length, byte[] quickHash) throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5HandleExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5HandleExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5HandleExtension.java
new file mode 100644
index 0000000..18392fa
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5HandleExtension.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import java.io.IOException;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.1</A>
+ */
+public interface MD5HandleExtension extends SftpClientExtension {
+ /**
+ * @param handle The (remote) file {@code Handle}
+ * @param offset The offset to start calculating the hash
+ * @param length The number of data bytes to calculate the hash on - if
+ * greater than available, then up to whatever is available
+ * @param quickHash A quick-hash of the 1st 2048 bytes - ignored if {@code null}/empty
+ * @return The hash value if the quick hash matches (or {@code null}/empty), or
+ * {@code null}/empty if the quick hash is provided and it does not match
+ * @throws IOException If failed to calculate the hash
+ */
+ byte[] getHash(SftpClient.Handle handle, long offset, long length, byte[] quickHash) throws IOException;
+
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtension.java
new file mode 100644
index 0000000..c27a9e1
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtension.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.common.NamedResource;
+import org.apache.sshd.common.OptionalFeature;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface SftpClientExtension extends NamedResource, OptionalFeature {
+ /**
+ * @return The {@link SftpClient} used to issue the extended command
+ */
+ SftpClient getClient();
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtensionFactory.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtensionFactory.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtensionFactory.java
new file mode 100644
index 0000000..0692a04
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtensionFactory.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import java.util.Map;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.common.NamedResource;
+import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface SftpClientExtensionFactory extends NamedResource {
+ default SftpClientExtension create(SftpClient client, RawSftpClient raw) {
+ Map<String, byte[]> extensions = client.getServerExtensions();
+ return create(client, raw, extensions, ParserUtils.parse(extensions));
+ }
+
+ SftpClientExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed);
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SpaceAvailableExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SpaceAvailableExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SpaceAvailableExtension.java
new file mode 100644
index 0000000..2cc938b
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SpaceAvailableExtension.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import java.io.IOException;
+
+import org.apache.sshd.common.subsystem.sftp.extensions.SpaceAvailableExtensionInfo;
+
+/**
+ * Implements the "space-available" extension
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 section 9.2</A>
+ */
+public interface SpaceAvailableExtension extends SftpClientExtension {
+ SpaceAvailableExtensionInfo available(String path) throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtension.java
new file mode 100644
index 0000000..1411098
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtension.java
@@ -0,0 +1,76 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.io.StreamCorruptedException;
+import java.util.AbstractMap.SimpleImmutableEntry;
+import java.util.Collection;
+import java.util.LinkedList;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractCheckFileExtension extends AbstractSftpClientExtension {
+ protected AbstractCheckFileExtension(String name, SftpClient client, RawSftpClient raw, Collection<String> extras) {
+ super(name, client, raw, extras);
+ }
+
+ protected SimpleImmutableEntry<String, Collection<byte[]>> doGetHash(Object target, Collection<String> algorithms, long offset, long length, int blockSize) throws IOException {
+ Buffer buffer = getCommandBuffer(target, Byte.MAX_VALUE);
+ putTarget(buffer, target);
+ buffer.putString(GenericUtils.join(algorithms, ','));
+ buffer.putLong(offset);
+ buffer.putLong(length);
+ buffer.putInt(blockSize);
+
+ if (log.isDebugEnabled()) {
+ log.debug("doGetHash({})[{}] - offset={}, length={}, block-size={}",
+ getName(), (target instanceof CharSequence) ? target : BufferUtils.toHex(BufferUtils.EMPTY_HEX_SEPARATOR, (byte[]) target),
+ offset, length, blockSize);
+ }
+
+ buffer = checkExtendedReplyBuffer(receive(sendExtendedCommand(buffer)));
+ if (buffer == null) {
+ throw new StreamCorruptedException("Missing extended reply data");
+ }
+
+ String targetType = buffer.getString();
+ if (String.CASE_INSENSITIVE_ORDER.compare(targetType, SftpConstants.EXT_CHECK_FILE) != 0) {
+ throw new StreamCorruptedException("Mismatched reply type: expected=" + SftpConstants.EXT_CHECK_FILE + ", actual=" + targetType);
+ }
+
+ String algo = buffer.getString();
+ Collection<byte[]> hashes = new LinkedList<>();
+ while (buffer.available() > 0) {
+ byte[] hashValue = buffer.getBytes();
+ hashes.add(hashValue);
+ }
+
+ return new SimpleImmutableEntry<>(algo, hashes);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtension.java
new file mode 100644
index 0000000..ab00f9e
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtension.java
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.io.StreamCorruptedException;
+import java.util.Collection;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.NumberUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractMD5HashExtension extends AbstractSftpClientExtension {
+ protected AbstractMD5HashExtension(String name, SftpClient client, RawSftpClient raw, Collection<String> extras) {
+ super(name, client, raw, extras);
+ }
+
+ protected byte[] doGetHash(Object target, long offset, long length, byte[] quickHash) throws IOException {
+ Buffer buffer = getCommandBuffer(target, Long.SIZE + 2 * Long.BYTES + Integer.BYTES + NumberUtils.length(quickHash));
+ String opcode = getName();
+ putTarget(buffer, target);
+ buffer.putLong(offset);
+ buffer.putLong(length);
+ buffer.putBytes((quickHash == null) ? GenericUtils.EMPTY_BYTE_ARRAY : quickHash);
+
+ boolean debugEnabled = log.isDebugEnabled();
+ if (debugEnabled) {
+ log.debug("doGetHash({})[{}] - offset={}, length={}, quick-hash={}",
+ opcode, (target instanceof CharSequence) ? target : BufferUtils.toHex(BufferUtils.EMPTY_HEX_SEPARATOR, (byte[]) target),
+ offset, length, BufferUtils.toHex(':', quickHash));
+ }
+
+ buffer = checkExtendedReplyBuffer(receive(sendExtendedCommand(buffer)));
+ if (buffer == null) {
+ throw new StreamCorruptedException("Missing extended reply data");
+ }
+
+ String targetType = buffer.getString();
+ if (String.CASE_INSENSITIVE_ORDER.compare(targetType, opcode) != 0) {
+ throw new StreamCorruptedException("Mismatched reply target type: expected=" + opcode + ", actual=" + targetType);
+ }
+
+ byte[] hashValue = buffer.getBytes();
+ if (debugEnabled) {
+ log.debug("doGetHash({})[{}] - offset={}, length={}, quick-hash={} - result={}",
+ opcode, target, offset, length,
+ BufferUtils.toHex(':', quickHash), BufferUtils.toHex(':', hashValue));
+ }
+
+ return hashValue;
+ }
+}
[02/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactoryTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactoryTest.java b/sshd-sftp/src/test/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactoryTest.java
new file mode 100644
index 0000000..6420411
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactoryTest.java
@@ -0,0 +1,101 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.util.concurrent.ExecutorService;
+
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.NoIoTestCase;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runners.MethodSorters;
+import org.mockito.Mockito;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@Category({ NoIoTestCase.class })
+public class SftpSubsystemFactoryTest extends BaseTestSupport {
+ public SftpSubsystemFactoryTest() {
+ super();
+ }
+
+ /**
+ * Make sure that the builder returns a factory with the default values
+ * if no {@code withXXX} method is invoked
+ */
+ @Test
+ public void testBuilderDefaultFactoryValues() {
+ SftpSubsystemFactory factory = new SftpSubsystemFactory.Builder().build();
+ assertNull("Mismatched executor", factory.getExecutorService());
+ assertFalse("Mismatched shutdown state", factory.isShutdownOnExit());
+ assertSame("Mismatched unsupported attribute policy", SftpSubsystemFactory.DEFAULT_POLICY, factory.getUnsupportedAttributePolicy());
+ }
+
+ /**
+ * Make sure that the builder initializes correctly the built factory
+ */
+ @Test
+ public void testBuilderCorrectlyInitializesFactory() {
+ SftpSubsystemFactory.Builder builder = new SftpSubsystemFactory.Builder();
+ ExecutorService service = dummyExecutor();
+ SftpSubsystemFactory factory = builder.withExecutorService(service)
+ .withShutdownOnExit(true)
+ .build();
+ assertSame("Mismatched executor", service, factory.getExecutorService());
+ assertTrue("Mismatched shutdown state", factory.isShutdownOnExit());
+
+ for (UnsupportedAttributePolicy policy : UnsupportedAttributePolicy.VALUES) {
+ SftpSubsystemFactory actual = builder.withUnsupportedAttributePolicy(policy).build();
+ assertSame("Mismatched unsupported attribute policy", policy, actual.getUnsupportedAttributePolicy());
+ }
+ }
+
+ /**
+ * <UL>
+ * <LI>
+ * Make sure the builder returns new instances on every call to
+ * {@link SftpSubsystemFactory.Builder#build()} method
+ * </LI>
+ *
+ * <LI>
+ * Make sure values are preserved between successive invocations
+ * of the {@link SftpSubsystemFactory.Builder#build()} method
+ * </LI>
+ * </UL
+ */
+ @Test
+ public void testBuilderUniqueInstance() {
+ SftpSubsystemFactory.Builder builder = new SftpSubsystemFactory.Builder();
+ SftpSubsystemFactory f1 = builder.withExecutorService(dummyExecutor()).build();
+ SftpSubsystemFactory f2 = builder.build();
+ assertNotSame("No new instance built", f1, f2);
+ assertSame("Mismatched executors", f1.getExecutorService(), f2.getExecutorService());
+
+ SftpSubsystemFactory f3 = builder.withExecutorService(dummyExecutor()).build();
+ assertNotSame("Executor service not changed", f1.getExecutorService(), f3.getExecutorService());
+ }
+
+ private static ExecutorService dummyExecutor() {
+ return Mockito.mock(ExecutorService.class);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/server/subsystem/sftp/SshFsMounter.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/server/subsystem/sftp/SshFsMounter.java b/sshd-sftp/src/test/java/org/apache/sshd/server/subsystem/sftp/SshFsMounter.java
new file mode 100644
index 0000000..e6b10e0
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/server/subsystem/sftp/SshFsMounter.java
@@ -0,0 +1,327 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.TreeMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+
+import org.apache.sshd.common.PropertyResolver;
+import org.apache.sshd.common.PropertyResolverUtils;
+import org.apache.sshd.common.config.SshConfigFileReader;
+import org.apache.sshd.common.io.BuiltinIoServiceFactoryFactories;
+import org.apache.sshd.common.io.IoServiceFactory;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.logging.AbstractLoggingBean;
+import org.apache.sshd.common.util.security.SecurityUtils;
+import org.apache.sshd.common.util.threads.ThreadUtils;
+import org.apache.sshd.server.Command;
+import org.apache.sshd.server.CommandFactory;
+import org.apache.sshd.server.Environment;
+import org.apache.sshd.server.ExitCallback;
+import org.apache.sshd.server.SessionAware;
+import org.apache.sshd.server.SshServer;
+import org.apache.sshd.server.auth.password.AcceptAllPasswordAuthenticator;
+import org.apache.sshd.server.forward.AcceptAllForwardingFilter;
+import org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider;
+import org.apache.sshd.server.scp.ScpCommandFactory;
+import org.apache.sshd.server.session.ServerSession;
+import org.apache.sshd.server.shell.InteractiveProcessShellFactory;
+import org.apache.sshd.util.test.Utils;
+
+/**
+ * A basic implementation to allow remote mounting of the local file system via SFTP
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public final class SshFsMounter {
+ public static class MounterCommand extends AbstractLoggingBean implements Command, SessionAware, Runnable {
+ private final String command;
+ private final String cmdName;
+ private final List<String> args;
+ private String username;
+ private InputStream stdin;
+ private PrintStream stdout;
+ private PrintStream stderr;
+ private ExitCallback callback;
+ private ExecutorService executor;
+ private Future<?> future;
+
+ public MounterCommand(String command) {
+ this.command = ValidateUtils.checkNotNullAndNotEmpty(command, "No command");
+
+ String[] comps = GenericUtils.split(this.command, ' ');
+ int numComps = GenericUtils.length(comps);
+ cmdName = GenericUtils.trimToEmpty(ValidateUtils.checkNotNullAndNotEmpty(comps[0], "No command name"));
+ if (numComps > 1) {
+ args = new ArrayList<>(numComps - 1);
+ for (int index = 1; index < numComps; index++) {
+ String c = GenericUtils.trimToEmpty(comps[index]);
+ if (GenericUtils.isEmpty(c)) {
+ continue;
+ }
+
+ args.add(c);
+ }
+ } else {
+ args = Collections.emptyList();
+ }
+
+ log.info("<init>(" + command + ")");
+ }
+
+ @Override
+ public void run() {
+ try {
+ log.info("run(" + username + ")[" + command + "] start");
+ if ("id".equals(cmdName)) {
+ int numArgs = GenericUtils.size(args);
+ if (numArgs <= 0) {
+ stdout.println("uid=0(root) gid=0(root) groups=0(root)");
+ } else if (numArgs == 1) {
+ String modifier = args.get(0);
+ if ("-u".equals(modifier) || "-G".equals(modifier)) {
+ stdout.println("0");
+ } else {
+ throw new IllegalArgumentException("Unknown modifier: " + modifier);
+ }
+ } else {
+ throw new IllegalArgumentException("Unexpected extra command arguments");
+ }
+ } else {
+ throw new UnsupportedOperationException("Unknown command");
+ }
+
+ log.info("run(" + username + ")[" + command + "] end");
+ callback.onExit(0);
+ } catch (Exception e) {
+ log.error("run(" + username + ")[" + command + "] " + e.getClass().getSimpleName() + ": " + e.getMessage(), e);
+ stderr.append(e.getClass().getSimpleName()).append(": ").println(e.getMessage());
+ callback.onExit(-1, e.toString());
+ }
+ }
+
+ @Override
+ public void setSession(ServerSession session) {
+ username = session.getUsername();
+ }
+
+ @Override
+ public void setInputStream(InputStream in) {
+ this.stdin = in;
+ }
+
+ @Override
+ public void setOutputStream(OutputStream out) {
+ this.stdout = new PrintStream(out, true);
+ }
+
+ @Override
+ public void setErrorStream(OutputStream err) {
+ this.stderr = new PrintStream(err, true);
+ }
+
+ @Override
+ public void setExitCallback(ExitCallback callback) {
+ this.callback = callback;
+ }
+
+ @Override
+ public void start(Environment env) throws IOException {
+ executor = ThreadUtils.newSingleThreadExecutor(getClass().getSimpleName());
+ future = executor.submit(this);
+ }
+
+ @Override
+ public void destroy() {
+ stopCommand();
+
+ if (stdout != null) {
+ try {
+ log.info("destroy(" + username + ")[" + command + "] close stdout");
+ stdout.close();
+ log.info("destroy(" + username + ")[" + command + "] stdout closed");
+ } finally {
+ stdout = null;
+ }
+ }
+
+ if (stderr != null) {
+ try {
+ log.info("destroy(" + username + ")[" + command + "] close stderr");
+ stderr.close();
+ log.info("destroy(" + username + ")[" + command + "] stderr closed");
+ } finally {
+ stderr = null;
+ }
+ }
+
+ if (stdin != null) {
+ try {
+ log.info("destroy(" + username + ")[" + command + "] close stdin");
+ stdin.close();
+ log.info("destroy(" + username + ")[" + command + "] stdin closed");
+ } catch (IOException e) {
+ log.warn("destroy(" + username + ")[" + command + "] failed (" + e.getClass().getSimpleName() + ") to close stdin: " + e.getMessage());
+ if (log.isDebugEnabled()) {
+ log.debug("destroy(" + username + ")[" + command + "] failure details", e);
+ }
+ } finally {
+ stdin = null;
+ }
+ }
+ }
+
+ private void stopCommand() {
+ if ((future != null) && (!future.isDone())) {
+ try {
+ log.info("stopCommand(" + username + ")[" + command + "] cancelling");
+ future.cancel(true);
+ log.info("stopCommand(" + username + ")[" + command + "] cancelled");
+ } finally {
+ future = null;
+ }
+ }
+
+ if ((executor != null) && (!executor.isShutdown())) {
+ try {
+ log.info("stopCommand(" + username + ")[" + command + "] shutdown executor");
+ executor.shutdownNow();
+ log.info("stopCommand(" + username + ")[" + command + "] executor shut down");
+ } finally {
+ executor = null;
+ }
+ }
+ }
+ }
+
+ public static class MounterCommandFactory implements CommandFactory {
+ public static final MounterCommandFactory INSTANCE = new MounterCommandFactory();
+
+ public MounterCommandFactory() {
+ super();
+ }
+
+ @Override
+ public Command createCommand(String command) {
+ return new MounterCommand(command);
+ }
+ }
+
+ private SshFsMounter() {
+ throw new UnsupportedOperationException("No instance");
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+
+ public static void main(String[] args) throws Exception {
+ int port = SshConfigFileReader.DEFAULT_PORT;
+ boolean error = false;
+ Map<String, Object> options = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ int numArgs = GenericUtils.length(args);
+ for (int i = 0; i < numArgs; i++) {
+ String argName = args[i];
+ if ("-p".equals(argName)) {
+ if ((i + 1) >= numArgs) {
+ System.err.println("option requires an argument: " + argName);
+ break;
+ }
+ port = Integer.parseInt(args[++i]);
+ } else if ("-io".equals(argName)) {
+ if (i + 1 >= numArgs) {
+ System.err.println("option requires an argument: " + argName);
+ break;
+ }
+
+ String provider = args[++i];
+ if ("mina".equals(provider)) {
+ System.setProperty(IoServiceFactory.class.getName(), BuiltinIoServiceFactoryFactories.MINA.getFactoryClassName());
+ } else if ("nio2".endsWith(provider)) {
+ System.setProperty(IoServiceFactory.class.getName(), BuiltinIoServiceFactoryFactories.NIO2.getFactoryClassName());
+ } else {
+ System.err.println("provider should be mina or nio2: " + argName);
+ error = true;
+ break;
+ }
+ } else if ("-o".equals(argName)) {
+ if ((i + 1) >= numArgs) {
+ System.err.println("option requires and argument: " + argName);
+ error = true;
+ break;
+ }
+ String opt = args[++i];
+ int idx = opt.indexOf('=');
+ if (idx <= 0) {
+ System.err.println("bad syntax for option: " + opt);
+ error = true;
+ break;
+ }
+ options.put(opt.substring(0, idx), opt.substring(idx + 1));
+ } else if (argName.startsWith("-")) {
+ System.err.println("illegal option: " + argName);
+ error = true;
+ break;
+ } else {
+ System.err.println("extra argument: " + argName);
+ error = true;
+ break;
+ }
+ }
+ if (error) {
+ System.err.println("usage: sshfs [-p port] [-io mina|nio2] [-o option=value]");
+ System.exit(-1);
+ }
+
+ SshServer sshd = Utils.setupTestServer(SshFsMounter.class);
+ Map<String, Object> props = sshd.getProperties();
+ props.putAll(options);
+ PropertyResolver resolver = PropertyResolverUtils.toPropertyResolver(options);
+ File targetFolder = Objects.requireNonNull(Utils.detectTargetFolder(MounterCommandFactory.class), "Failed to detect target folder");
+ if (SecurityUtils.isBouncyCastleRegistered()) {
+ sshd.setKeyPairProvider(SecurityUtils.createGeneratorHostKeyProvider(new File(targetFolder, "key.pem").toPath()));
+ } else {
+ sshd.setKeyPairProvider(new SimpleGeneratorHostKeyProvider(new File(targetFolder, "key.ser")));
+ }
+ // Should come AFTER key pair provider setup so auto-welcome can be generated if needed
+ SshServer.setupServerBanner(sshd, resolver);
+
+ sshd.setShellFactory(InteractiveProcessShellFactory.INSTANCE);
+ sshd.setPasswordAuthenticator(AcceptAllPasswordAuthenticator.INSTANCE);
+ sshd.setForwardingFilter(AcceptAllForwardingFilter.INSTANCE);
+ sshd.setCommandFactory(new ScpCommandFactory.Builder().withDelegate(MounterCommandFactory.INSTANCE).build());
+ sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
+ sshd.setPort(port);
+
+ System.err.println("Starting SSHD on port " + port);
+ sshd.start();
+ Thread.sleep(Long.MAX_VALUE);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-spring-sftp/pom.xml
----------------------------------------------------------------------
diff --git a/sshd-spring-sftp/pom.xml b/sshd-spring-sftp/pom.xml
index 2f9e442..01cbf6a 100644
--- a/sshd-spring-sftp/pom.xml
+++ b/sshd-spring-sftp/pom.xml
@@ -55,6 +55,11 @@
<artifactId>sshd-core</artifactId>
<version>${project.version}</version>
</dependency>
+ <dependency>
+ <groupId>org.apache.sshd</groupId>
+ <artifactId>sshd-sftp</artifactId>
+ <version>${project.version}</version>
+ </dependency>
<!-- Replacement of commons-logging for Spring parts that still use it -->
<dependency>
<groupId>org.slf4j</groupId>
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-spring-sftp/src/main/java/org/apache/sshd/spring/integration/sftp/ApacheSshdSftpSessionFactory.java
----------------------------------------------------------------------
diff --git a/sshd-spring-sftp/src/main/java/org/apache/sshd/spring/integration/sftp/ApacheSshdSftpSessionFactory.java b/sshd-spring-sftp/src/main/java/org/apache/sshd/spring/integration/sftp/ApacheSshdSftpSessionFactory.java
index 85aecec..d5a76a7 100644
--- a/sshd-spring-sftp/src/main/java/org/apache/sshd/spring/integration/sftp/ApacheSshdSftpSessionFactory.java
+++ b/sshd-spring-sftp/src/main/java/org/apache/sshd/spring/integration/sftp/ApacheSshdSftpSessionFactory.java
@@ -34,6 +34,7 @@ import org.apache.sshd.client.session.ClientSession;
import org.apache.sshd.client.simple.SimpleClientConfigurator;
import org.apache.sshd.client.subsystem.sftp.SftpClient;
import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
+import org.apache.sshd.client.subsystem.sftp.SftpClientFactory;
import org.apache.sshd.client.subsystem.sftp.SftpVersionSelector;
import org.apache.sshd.common.PropertyResolverUtils;
import org.apache.sshd.common.config.SshConfigFileReader;
@@ -338,7 +339,7 @@ public class ApacheSshdSftpSessionFactory
session = resolveClientSession(sharedInstance);
SftpVersionSelector selector = getSftpVersionSelector();
- SftpClient sftpClient = session.createSftpClient(selector);
+ SftpClient sftpClient = SftpClientFactory.instance().createSftpClient(session, selector);
try {
ClientSession sessionInstance = session;
Session<DirEntry> result = sharedInstance
[18/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpTest.java
deleted file mode 100644
index a6f162f..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpTest.java
+++ /dev/null
@@ -1,1500 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.EOFException;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.SocketTimeoutException;
-import java.nio.ByteBuffer;
-import java.nio.channels.FileChannel;
-import java.nio.channels.SeekableByteChannel;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.CopyOption;
-import java.nio.file.DirectoryStream;
-import java.nio.file.FileSystem;
-import java.nio.file.Files;
-import java.nio.file.LinkOption;
-import java.nio.file.OpenOption;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.nio.file.StandardOpenOption;
-import java.nio.file.attribute.FileAttribute;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Date;
-import java.util.EnumSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-import java.util.TreeSet;
-import java.util.Vector;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicLong;
-import java.util.concurrent.atomic.AtomicReference;
-
-import com.jcraft.jsch.ChannelSftp;
-import com.jcraft.jsch.JSch;
-
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Attributes;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.OpenMode;
-import org.apache.sshd.client.subsystem.sftp.extensions.BuiltinSftpClientExtensions;
-import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
-import org.apache.sshd.common.Factory;
-import org.apache.sshd.common.FactoryManager;
-import org.apache.sshd.common.NamedFactory;
-import org.apache.sshd.common.OptionalFeature;
-import org.apache.sshd.common.PropertyResolverUtils;
-import org.apache.sshd.common.channel.WindowClosedException;
-import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;
-import org.apache.sshd.common.random.Random;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.subsystem.sftp.extensions.AclSupportedParser.AclCapabilities;
-import org.apache.sshd.common.subsystem.sftp.extensions.NewlineParser.Newline;
-import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
-import org.apache.sshd.common.subsystem.sftp.extensions.Supported2Parser.Supported2;
-import org.apache.sshd.common.subsystem.sftp.extensions.SupportedParser.Supported;
-import org.apache.sshd.common.subsystem.sftp.extensions.VersionsParser.Versions;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.AbstractOpenSSHExtensionParser.OpenSSHExtension;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.OsUtils;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.server.Command;
-import org.apache.sshd.server.session.ServerSession;
-import org.apache.sshd.server.subsystem.sftp.AbstractSftpEventListenerAdapter;
-import org.apache.sshd.server.subsystem.sftp.AbstractSftpSubsystemHelper;
-import org.apache.sshd.server.subsystem.sftp.DirectoryHandle;
-import org.apache.sshd.server.subsystem.sftp.FileHandle;
-import org.apache.sshd.server.subsystem.sftp.Handle;
-import org.apache.sshd.server.subsystem.sftp.SftpEventListener;
-import org.apache.sshd.server.subsystem.sftp.SftpEventListenerManager;
-import org.apache.sshd.server.subsystem.sftp.SftpFileSystemAccessor;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemEnvironment;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
-import org.apache.sshd.util.test.SimpleUserInfo;
-import org.apache.sshd.util.test.Utils;
-import org.junit.After;
-import org.junit.Assume;
-import org.junit.Before;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runners.MethodSorters;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class SftpTest extends AbstractSftpClientTestSupport {
- private static final Map<String, OptionalFeature> EXPECTED_EXTENSIONS = AbstractSftpSubsystemHelper.DEFAULT_SUPPORTED_CLIENT_EXTENSIONS;
-
- private com.jcraft.jsch.Session session;
-
- public SftpTest() throws IOException {
- super();
- }
-
- @Before
- public void setUp() throws Exception {
- setupServer();
- JSch sch = new JSch();
- session = sch.getSession("sshd", TEST_LOCALHOST, port);
- session.setUserInfo(new SimpleUserInfo("sshd"));
- session.connect();
- }
-
- @After
- public void tearDown() throws Exception {
- if (session != null) {
- session.disconnect();
- }
- }
-
- @Test // see SSHD-547
- public void testWriteOffsetIgnoredForAppendMode() throws IOException {
- Path targetPath = detectTargetFolder();
- Path parentPath = targetPath.getParent();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Path testFile = assertHierarchyTargetFolderExists(lclSftp).resolve("file.txt");
- Files.deleteIfExists(testFile);
-
- byte[] expectedRandom = new byte[Byte.MAX_VALUE];
- Factory<? extends Random> factory = sshd.getRandomFactory();
- Random rnd = factory.create();
- rnd.fill(expectedRandom);
-
- byte[] expectedText = (getClass().getName() + "#" + getCurrentTestName()).getBytes(StandardCharsets.UTF_8);
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- String file = Utils.resolveRelativeRemotePath(parentPath, testFile);
-
- try (CloseableHandle handle = sftp.open(file, OpenMode.Create, OpenMode.Write, OpenMode.Read, OpenMode.Append)) {
- sftp.write(handle, 7365L, expectedRandom);
- byte[] actualRandom = new byte[expectedRandom.length];
- int readLen = sftp.read(handle, 0L, actualRandom);
- assertEquals("Incomplete random data read", expectedRandom.length, readLen);
- assertArrayEquals("Mismatched read random data", expectedRandom, actualRandom);
-
- sftp.write(handle, 3777347L, expectedText);
- byte[] actualText = new byte[expectedText.length];
- readLen = sftp.read(handle, actualRandom.length, actualText);
- assertEquals("Incomplete text data read", actualText.length, readLen);
- assertArrayEquals("Mismatched read text data", expectedText, actualText);
- }
- }
- }
-
- byte[] actualBytes = Files.readAllBytes(testFile);
- assertEquals("Mismatched result file size", expectedRandom.length + expectedText.length, actualBytes.length);
-
- byte[] actualRandom = Arrays.copyOfRange(actualBytes, 0, expectedRandom.length);
- assertArrayEquals("Mismatched random part", expectedRandom, actualRandom);
-
- byte[] actualText = Arrays.copyOfRange(actualBytes, expectedRandom.length, actualBytes.length);
- assertArrayEquals("Mismatched text part", expectedText, actualText);
- }
-
- @Test // see SSHD-545
- public void testReadBufferLimit() throws Exception {
- Path targetPath = detectTargetFolder();
- Path parentPath = targetPath.getParent();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Path testFile = assertHierarchyTargetFolderExists(lclSftp).resolve("file.txt");
- byte[] expected = new byte[1024];
-
- Factory<? extends Random> factory = sshd.getRandomFactory();
- Random rnd = factory.create();
- rnd.fill(expected);
- Files.write(testFile, expected);
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- String file = Utils.resolveRelativeRemotePath(parentPath, testFile);
- byte[] actual = new byte[expected.length];
- int maxAllowed = actual.length / 4;
- // allow less than actual
- PropertyResolverUtils.updateProperty(sshd, AbstractSftpSubsystemHelper.MAX_READDATA_PACKET_LENGTH_PROP, maxAllowed);
- try (CloseableHandle handle = sftp.open(file, OpenMode.Read)) {
- int readLen = sftp.read(handle, 0L, actual);
- assertEquals("Mismatched read len", maxAllowed, readLen);
-
- for (int index = 0; index < readLen; index++) {
- byte expByte = expected[index];
- byte actByte = actual[index];
- if (expByte != actByte) {
- fail("Mismatched values at index=" + index
- + ": expected=0x" + Integer.toHexString(expByte & 0xFF)
- + ", actual=0x" + Integer.toHexString(actByte & 0xFF));
- }
- }
- } finally {
- PropertyResolverUtils.updateProperty(sshd,
- AbstractSftpSubsystemHelper.MAX_READDATA_PACKET_LENGTH_PROP,
- AbstractSftpSubsystemHelper.DEFAULT_MAX_READDATA_PACKET_LENGTH);
- }
- }
- }
- }
-
- @Test // see extra fix for SSHD-538
- public void testNavigateBeyondRootFolder() throws Exception {
- Path rootLocation = Paths.get(OsUtils.isUNIX() ? "/" : "C:\\");
- final FileSystem fsRoot = rootLocation.getFileSystem();
- sshd.setFileSystemFactory(session1 -> fsRoot);
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- String rootDir = sftp.canonicalPath("/");
- String upDir = sftp.canonicalPath(rootDir + "/..");
- assertEquals("Mismatched root dir parent", rootDir, upDir);
- }
- }
- }
-
- @Test // see SSHD-605
- public void testCannotEscapeUserAbsoluteRoot() throws Exception {
- testCannotEscapeRoot(true);
- }
-
- @Test // see SSHD-605
- public void testCannotEscapeUserRelativeRoot() throws Exception {
- testCannotEscapeRoot(false);
- }
-
- private void testCannotEscapeRoot(boolean useAbsolutePath) throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- assertHierarchyTargetFolderExists(lclSftp);
- sshd.setFileSystemFactory(new VirtualFileSystemFactory(lclSftp));
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- String escapePath;
- if (useAbsolutePath) {
- escapePath = targetPath.toString();
- if (OsUtils.isWin32()) {
- escapePath = "/" + escapePath.replace(File.separatorChar, '/');
- }
- } else {
- Path parent = lclSftp.getParent();
- Path forbidden = Files.createDirectories(parent.resolve("forbidden"));
- escapePath = "../" + forbidden.getFileName();
- }
-
- try (SftpClient sftp = session.createSftpClient()) {
- SftpClient.Attributes attrs = sftp.stat(escapePath);
- fail("Unexpected escape success for path=" + escapePath + ": " + attrs);
- } catch (SftpException e) {
- int expected = OsUtils.isWin32() || (!useAbsolutePath)
- ? SftpConstants.SSH_FX_INVALID_FILENAME
- : SftpConstants.SSH_FX_NO_SUCH_FILE;
- assertEquals("Mismatched status for " + escapePath,
- SftpConstants.getStatusName(expected),
- SftpConstants.getStatusName(e.getStatus()));
- }
- }
- }
-
- @Test
- public void testNormalizeRemoteRootValues() throws Exception {
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- StringBuilder sb = new StringBuilder(Long.SIZE + 1);
- String expected = sftp.canonicalPath("/");
- for (int i = 0; i < Long.SIZE; i++) {
- if (sb.length() > 0) {
- sb.setLength(0);
- }
-
- for (int j = 1; j <= i; j++) {
- sb.append('/');
- }
-
- String remotePath = sb.toString();
- String actual = sftp.canonicalPath(remotePath);
- assertEquals("Mismatched roots for " + remotePath.length() + " slashes", expected, actual);
- }
- }
- }
- }
-
- @Test
- public void testNormalizeRemotePathsValues() throws Exception {
- Path targetPath = detectTargetFolder();
- Path parentPath = targetPath.getParent();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Path testFile = assertHierarchyTargetFolderExists(lclSftp).resolve("file.txt");
- String file = Utils.resolveRelativeRemotePath(parentPath, testFile);
- String[] comps = GenericUtils.split(file, '/');
-
- Factory<? extends Random> factory = client.getRandomFactory();
- Random rnd = factory.create();
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- StringBuilder sb = new StringBuilder(file.length() + comps.length);
- String expected = sftp.canonicalPath(file);
- for (int i = 0; i < file.length(); i++) {
- if (sb.length() > 0) {
- sb.setLength(0);
- }
-
- sb.append(comps[0]);
- for (int j = 1; j < comps.length; j++) {
- String name = comps[j];
- slashify(sb, rnd);
- sb.append(name);
- }
- slashify(sb, rnd);
-
- if (rnd.random(Byte.SIZE) < (Byte.SIZE / 2)) {
- sb.append('.');
- }
-
- String remotePath = sb.toString();
- String actual = sftp.canonicalPath(remotePath);
- assertEquals("Mismatched canonical value for " + remotePath, expected, actual);
- }
- }
- }
- }
-
- private static int slashify(StringBuilder sb, Random rnd) {
- int slashes = 1 /* at least one slash */ + rnd.random(Byte.SIZE);
- for (int k = 0; k < slashes; k++) {
- sb.append('/');
- }
-
- return slashes;
- }
-
- @Test
- public void testOpen() throws Exception {
- Path targetPath = detectTargetFolder();
- Path parentPath = targetPath.getParent();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Path clientFolder = lclSftp.resolve("client");
- Path testFile = clientFolder.resolve("file.txt");
- String file = Utils.resolveRelativeRemotePath(parentPath, testFile);
-
- File javaFile = testFile.toFile();
- assertHierarchyTargetFolderExists(javaFile.getParentFile());
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- javaFile.createNewFile();
- javaFile.setWritable(false, false);
- javaFile.setReadable(false, false);
-
- try (SftpClient sftp = session.createSftpClient()) {
- boolean isWindows = OsUtils.isWin32();
-
- try (SftpClient.CloseableHandle h = sftp.open(file /* no mode == read */)) {
- // NOTE: on Windows files are always readable
- // see https://svn.apache.org/repos/asf/harmony/enhanced/java/branches/java6/classlib/modules/
- // luni/src/test/api/windows/org/apache/harmony/luni/tests/java/io/WinFileTest.java
- assertTrue("Empty read should have failed on " + file, isWindows);
- } catch (IOException e) {
- if (isWindows) {
- throw e;
- }
- }
-
- try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Write))) {
- fail("Empty write should have failed on " + file);
- } catch (IOException e) {
- // ok
- }
-
- try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Truncate))) {
- // NOTE: on Windows files are always readable
- assertTrue("Empty truncate should have failed on " + file, isWindows);
- } catch (IOException e) {
- // ok
- }
-
- // NOTE: on Windows files are always readable
- int perms = sftp.stat(file).getPermissions();
- int readMask = isWindows ? 0 : SftpConstants.S_IRUSR;
- int permsMask = SftpConstants.S_IWUSR | readMask;
- assertEquals("Mismatched permissions for " + file + ": 0x" + Integer.toHexString(perms), 0, perms & permsMask);
-
- javaFile.setWritable(true, false);
-
- try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Truncate, SftpClient.OpenMode.Write))) {
- // OK should succeed
- assertTrue("Handle not marked as open for file=" + file, h.isOpen());
- }
-
- byte[] d = "0123456789\n".getBytes(StandardCharsets.UTF_8);
- try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Write))) {
- sftp.write(h, 0, d, 0, d.length);
- sftp.write(h, d.length, d, 0, d.length);
- }
-
- try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Write))) {
- sftp.write(h, d.length * 2, d, 0, d.length);
- }
-
- try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Write))) {
- byte[] overwrite = "-".getBytes(StandardCharsets.UTF_8);
- sftp.write(h, 3L, overwrite, 0, 1);
- d[3] = overwrite[0];
- }
-
- try (SftpClient.CloseableHandle h = sftp.open(file /* no mode == read */)) {
- // NOTE: on Windows files are always readable
- assertTrue("Data read should have failed on " + file, isWindows);
- } catch (IOException e) {
- if (isWindows) {
- throw e;
- }
- }
-
- javaFile.setReadable(true, false);
-
- byte[] buf = new byte[3];
- try (SftpClient.CloseableHandle h = sftp.open(file /* no mode == read */)) {
- int l = sftp.read(h, 2L, buf, 0, buf.length);
- String expected = new String(d, 2, l, StandardCharsets.UTF_8);
- String actual = new String(buf, 0, l, StandardCharsets.UTF_8);
- assertEquals("Mismatched read data", expected, actual);
- }
- }
- }
- }
-
- @Test
- public void testInputStreamSkipAndReset() throws Exception {
- Path targetPath = detectTargetFolder();
- Path parentPath = targetPath.getParent();
- Path localFile = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Files.createDirectories(localFile.getParent());
- byte[] data = (getClass().getName() + "#" + getCurrentTestName() + "[" + localFile + "]").getBytes(StandardCharsets.UTF_8);
- Files.write(localFile, data, StandardOpenOption.CREATE);
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient();
- InputStream stream = sftp.read(Utils.resolveRelativeRemotePath(parentPath, localFile), OpenMode.Read)) {
- assertFalse("Stream reported mark supported", stream.markSupported());
- try {
- stream.mark(data.length);
- fail("Unexpected success to mark the read limit");
- } catch (UnsupportedOperationException e) {
- // expected - ignored
- }
-
- byte[] expected = new byte[data.length / 4];
- int readLen = stream.read(expected);
- assertEquals("Failed to read fully initial data", expected.length, readLen);
-
- byte[] actual = new byte[readLen];
- stream.reset();
- readLen = stream.read(actual);
- assertEquals("Failed to read fully reset data", actual.length, readLen);
- assertArrayEquals("Mismatched re-read data contents", expected, actual);
-
- System.arraycopy(data, 0, expected, 0, expected.length);
- assertArrayEquals("Mismatched original data contents", expected, actual);
-
- long skipped = stream.skip(readLen);
- assertEquals("Mismatched skipped forward size", readLen, skipped);
-
- readLen = stream.read(actual);
- assertEquals("Failed to read fully skipped forward data", actual.length, readLen);
-
- System.arraycopy(data, expected.length + readLen, expected, 0, expected.length);
- assertArrayEquals("Mismatched skipped forward data contents", expected, actual);
-
- skipped = stream.skip(0 - readLen);
- assertEquals("Mismatched backward skip size", readLen, skipped);
- readLen = stream.read(actual);
- assertEquals("Failed to read fully skipped backward data", actual.length, readLen);
- assertArrayEquals("Mismatched skipped backward data contents", expected, actual);
- }
- }
- }
-
- @Test
- public void testSftpFileSystemAccessor() throws Exception {
- List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
- assertEquals("Mismatched subsystem factories count", 1, GenericUtils.size(factories));
-
- NamedFactory<Command> f = factories.get(0);
- assertObjectInstanceOf("Not an SFTP subsystem factory", SftpSubsystemFactory.class, f);
-
- SftpSubsystemFactory factory = (SftpSubsystemFactory) f;
- SftpFileSystemAccessor accessor = factory.getFileSystemAccessor();
- try {
- AtomicReference<Path> fileHolder = new AtomicReference<>();
- AtomicReference<Path> dirHolder = new AtomicReference<>();
- factory.setFileSystemAccessor(new SftpFileSystemAccessor() {
- @Override
- public SeekableByteChannel openFile(ServerSession session, SftpEventListenerManager subsystem, Path file,
- String handle, Set<? extends OpenOption> options, FileAttribute<?>... attrs)
- throws IOException {
- fileHolder.set(file);
- return SftpFileSystemAccessor.super.openFile(session, subsystem, file, handle, options, attrs);
- }
-
- @Override
- public DirectoryStream<Path> openDirectory(
- ServerSession session, SftpEventListenerManager subsystem, Path dir, String handle) throws IOException {
- dirHolder.set(dir);
- return SftpFileSystemAccessor.super.openDirectory(session, subsystem, dir, handle);
- }
-
- @Override
- public String toString() {
- return SftpFileSystemAccessor.class.getSimpleName() + "[" + getCurrentTestName() + "]";
- }
- });
-
- Path targetPath = detectTargetFolder();
- Path parentPath = targetPath.getParent();
- Path localFile = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Files.createDirectories(localFile.getParent());
- byte[] expected = (getClass().getName() + "#" + getCurrentTestName() + "[" + localFile + "]").getBytes(StandardCharsets.UTF_8);
- Files.write(localFile, expected, StandardOpenOption.CREATE);
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- byte[] actual = new byte[expected.length];
- try (InputStream stream = sftp.read(Utils.resolveRelativeRemotePath(parentPath, localFile), OpenMode.Read)) {
- IoUtils.readFully(stream, actual);
- }
-
- Path remoteFile = fileHolder.getAndSet(null);
- assertNotNull("No remote file holder value", remoteFile);
- assertEquals("Mismatched opened local files", localFile.toFile(), remoteFile.toFile());
- assertArrayEquals("Mismatched retrieved file contents", expected, actual);
-
- Path localParent = localFile.getParent();
- String localName = Objects.toString(localFile.getFileName(), null);
- try (CloseableHandle handle = sftp.openDir(Utils.resolveRelativeRemotePath(parentPath, localParent))) {
- List<DirEntry> entries = sftp.readDir(handle);
- Path remoteParent = dirHolder.getAndSet(null);
- assertNotNull("No remote folder holder value", remoteParent);
- assertEquals("Mismatched opened folder", localParent.toFile(), remoteParent.toFile());
- assertFalse("No dir entries", GenericUtils.isEmpty(entries));
-
- for (DirEntry de : entries) {
- Attributes attrs = de.getAttributes();
- if (!attrs.isRegularFile()) {
- continue;
- }
-
- if (localName.equals(de.getFilename())) {
- return;
- }
- }
-
- fail("Cannot find listing of " + localName);
- }
- }
- }
- } finally {
- factory.setFileSystemAccessor(accessor); // restore original
- }
- }
-
- @Test
- @SuppressWarnings({"checkstyle:anoninnerlength", "checkstyle:methodlength"})
- public void testClient() throws Exception {
- List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
- assertEquals("Mismatched subsystem factories count", 1, GenericUtils.size(factories));
-
- NamedFactory<Command> f = factories.get(0);
- assertObjectInstanceOf("Not an SFTP subsystem factory", SftpSubsystemFactory.class, f);
-
- SftpSubsystemFactory factory = (SftpSubsystemFactory) f;
- final AtomicInteger versionHolder = new AtomicInteger(-1);
- final AtomicInteger openCount = new AtomicInteger(0);
- final AtomicInteger closeCount = new AtomicInteger(0);
- final AtomicLong readSize = new AtomicLong(0L);
- final AtomicLong writeSize = new AtomicLong(0L);
- final AtomicInteger entriesCount = new AtomicInteger(0);
- final AtomicInteger creatingCount = new AtomicInteger(0);
- final AtomicInteger createdCount = new AtomicInteger(0);
- final AtomicInteger removingCount = new AtomicInteger(0);
- final AtomicInteger removedCount = new AtomicInteger(0);
- final AtomicInteger modifyingCount = new AtomicInteger(0);
- final AtomicInteger modifiedCount = new AtomicInteger(0);
- SftpEventListener listener = new AbstractSftpEventListenerAdapter() {
- @Override
- public void initialized(ServerSession session, int version) {
- log.info("initialized(" + session + ") version: " + version);
- assertTrue("Initialized version below minimum", version >= SftpSubsystemEnvironment.LOWER_SFTP_IMPL);
- assertTrue("Initialized version above maximum", version <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL);
- assertTrue("Initializion re-called", versionHolder.getAndSet(version) < 0);
- }
-
- @Override
- public void destroying(ServerSession session) {
- log.info("destroying(" + session + ")");
- assertTrue("Initialization method not called", versionHolder.get() > 0);
- }
-
- @Override
- public void written(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, byte[] data, int dataOffset, int dataLen, Throwable thrown) {
- writeSize.addAndGet(dataLen);
- if (log.isDebugEnabled()) {
- log.debug("write(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", requested=" + dataLen);
- }
- }
-
- @Override
- public void removing(ServerSession session, Path path) {
- removingCount.incrementAndGet();
- log.info("removing(" + session + ") " + path);
- }
-
- @Override
- public void removed(ServerSession session, Path path, Throwable thrown) {
- removedCount.incrementAndGet();
- log.info("removed(" + session + ") " + path
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
-
- @Override
- public void modifyingAttributes(ServerSession session, Path path, Map<String, ?> attrs) {
- modifyingCount.incrementAndGet();
- log.info("modifyingAttributes(" + session + ") " + path);
- }
-
- @Override
- public void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown) {
- modifiedCount.incrementAndGet();
- log.info("modifiedAttributes(" + session + ") " + path
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
-
- @Override
- public void read(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, byte[] data,
- int dataOffset, int dataLen, int readLen, Throwable thrown) {
- readSize.addAndGet(readLen);
- if (log.isDebugEnabled()) {
- log.debug("read(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", requested=" + dataLen + ", read=" + readLen);
- }
- }
-
- @Override
- public void read(ServerSession session, String remoteHandle, DirectoryHandle localHandle, Map<String, Path> entries) {
- int numEntries = GenericUtils.size(entries);
- entriesCount.addAndGet(numEntries);
-
- if (log.isDebugEnabled()) {
- log.debug("read(" + session + ")[" + localHandle.getFile() + "] " + numEntries + " entries");
- }
-
- if ((numEntries > 0) && log.isTraceEnabled()) {
- entries.forEach((key, value) ->
- log.trace("read(" + session + ")[" + localHandle.getFile() + "] " + key + " - " + value));
- }
- }
-
- @Override
- public void open(ServerSession session, String remoteHandle, Handle localHandle) {
- Path path = localHandle.getFile();
- log.info("open(" + session + ")[" + remoteHandle + "] " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
- openCount.incrementAndGet();
- }
-
- @Override
- public void moving(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts) {
- log.info("moving(" + session + ")[" + opts + "]" + srcPath + " => " + dstPath);
- }
-
- @Override
- public void moved(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts, Throwable thrown) {
- log.info("moved(" + session + ")[" + opts + "]" + srcPath + " => " + dstPath
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
-
- @Override
- public void linking(ServerSession session, Path src, Path target, boolean symLink) {
- log.info("linking(" + session + ")[" + symLink + "]" + src + " => " + target);
- }
-
- @Override
- public void linked(ServerSession session, Path src, Path target, boolean symLink, Throwable thrown) {
- log.info("linked(" + session + ")[" + symLink + "]" + src + " => " + target
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
-
- @Override
- public void creating(ServerSession session, Path path, Map<String, ?> attrs) {
- creatingCount.incrementAndGet();
- log.info("creating(" + session + ") " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
- }
-
- @Override
- public void created(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown) {
- createdCount.incrementAndGet();
- log.info("created(" + session + ") " + (Files.isDirectory(path) ? "directory" : "file") + " " + path
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
-
- @Override
- public void blocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length, int mask) {
- log.info("blocking(" + session + ")[" + localHandle.getFile() + "]"
- + " offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask));
- }
-
- @Override
- public void blocked(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, long length, int mask, Throwable thrown) {
- log.info("blocked(" + session + ")[" + localHandle.getFile() + "]"
- + " offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask)
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
-
- @Override
- public void unblocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length) {
- log.info("unblocking(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", length=" + length);
- }
-
- @Override
- public void unblocked(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, long length, Throwable thrown) {
- log.info("unblocked(" + session + ")[" + localHandle.getFile() + "]"
- + " offset=" + offset + ", length=" + length
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
-
- @Override
- public void close(ServerSession session, String remoteHandle, Handle localHandle) {
- Path path = localHandle.getFile();
- log.info("close(" + session + ")[" + remoteHandle + "] " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
- closeCount.incrementAndGet();
- }
- };
- factory.addSftpEventListener(listener);
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- assertEquals("Mismatched negotiated version", sftp.getVersion(), versionHolder.get());
- testClient(client, sftp);
- }
-
- assertEquals("Mismatched open/close count", openCount.get(), closeCount.get());
- assertTrue("No entries read", entriesCount.get() > 0);
- assertTrue("No data read", readSize.get() > 0L);
- assertTrue("No data written", writeSize.get() > 0L);
- assertEquals("Mismatched removal counts", removingCount.get(), removedCount.get());
- assertTrue("No removals signalled", removedCount.get() > 0);
- assertEquals("Mismatched creation counts", creatingCount.get(), createdCount.get());
- assertTrue("No creations signalled", creatingCount.get() > 0);
- assertEquals("Mismatched modification counts", modifyingCount.get(), modifiedCount.get());
- assertTrue("No modifications signalled", modifiedCount.get() > 0);
- } finally {
- factory.removeSftpEventListener(listener);
- }
- }
-
- /**
- * this test is meant to test out write's logic, to ensure that internal chunking (based on Buffer.MAX_LEN) is
- * functioning properly. To do this, we write a variety of file sizes, both smaller and larger than Buffer.MAX_LEN.
- * in addition, this test ensures that improper arguments passed in get caught with an IllegalArgumentException
- *
- * @throws Exception upon any uncaught exception or failure
- */
- @Test
- public void testWriteChunking() throws Exception {
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Utils.deleteRecursive(lclSftp);
-
- Path parentPath = targetPath.getParent();
- Path clientFolder = assertHierarchyTargetFolderExists(lclSftp).resolve("client");
- String dir = Utils.resolveRelativeRemotePath(parentPath, clientFolder);
-
- try (SftpClient sftp = session.createSftpClient()) {
- sftp.mkdir(dir);
-
- uploadAndVerifyFile(sftp, clientFolder, dir, 0, "emptyFile.txt");
- uploadAndVerifyFile(sftp, clientFolder, dir, 1000, "smallFile.txt");
- uploadAndVerifyFile(sftp, clientFolder, dir, ByteArrayBuffer.MAX_LEN - 1, "bufferMaxLenMinusOneFile.txt");
- uploadAndVerifyFile(sftp, clientFolder, dir, ByteArrayBuffer.MAX_LEN, "bufferMaxLenFile.txt");
- // were chunking not implemented, these would fail. these sizes should invoke our internal chunking mechanism
- uploadAndVerifyFile(sftp, clientFolder, dir, ByteArrayBuffer.MAX_LEN + 1, "bufferMaxLenPlusOneFile.txt");
- uploadAndVerifyFile(sftp, clientFolder, dir, (int) (1.5 * ByteArrayBuffer.MAX_LEN), "1point5BufferMaxLenFile.txt");
- uploadAndVerifyFile(sftp, clientFolder, dir, (2 * ByteArrayBuffer.MAX_LEN) - 1, "2TimesBufferMaxLenMinusOneFile.txt");
- uploadAndVerifyFile(sftp, clientFolder, dir, 2 * ByteArrayBuffer.MAX_LEN, "2TimesBufferMaxLenFile.txt");
- uploadAndVerifyFile(sftp, clientFolder, dir, (2 * ByteArrayBuffer.MAX_LEN) + 1, "2TimesBufferMaxLenPlusOneFile.txt");
- uploadAndVerifyFile(sftp, clientFolder, dir, 200000, "largerFile.txt");
-
- // test erroneous calls that check for negative values
- Path invalidPath = clientFolder.resolve(getCurrentTestName() + "-invalid");
- testInvalidParams(sftp, invalidPath, Utils.resolveRelativeRemotePath(parentPath, invalidPath));
-
- // cleanup
- sftp.rmdir(dir);
- }
- }
- }
-
- private void testInvalidParams(SftpClient sftp, Path file, String filePath) throws Exception {
- // generate random file and upload it
- String randomData = randomString(5);
- byte[] randomBytes = randomData.getBytes(StandardCharsets.UTF_8);
- try (SftpClient.CloseableHandle handle = sftp.open(filePath, EnumSet.of(SftpClient.OpenMode.Write, SftpClient.OpenMode.Create))) {
- try {
- sftp.write(handle, -1, randomBytes, 0, 0);
- fail("should not have been able to write file with invalid file offset for " + filePath);
- } catch (IllegalArgumentException e) {
- // expected
- }
- try {
- sftp.write(handle, 0, randomBytes, -1, 0);
- fail("should not have been able to write file with invalid source offset for " + filePath);
- } catch (IllegalArgumentException e) {
- // expected
- }
- try {
- sftp.write(handle, 0, randomBytes, 0, -1);
- fail("should not have been able to write file with invalid length for " + filePath);
- } catch (IllegalArgumentException e) {
- // expected
- }
- try {
- sftp.write(handle, 0, randomBytes, 0, randomBytes.length + 1);
- fail("should not have been able to write file with length bigger than array itself (no offset) for " + filePath);
- } catch (IllegalArgumentException e) {
- // expected
- }
- try {
- sftp.write(handle, 0, randomBytes, randomBytes.length, 1);
- fail("should not have been able to write file with length bigger than array itself (with offset) for " + filePath);
- } catch (IllegalArgumentException e) {
- // expected
- }
- }
-
- sftp.remove(filePath);
- assertFalse("File should not be there: " + file.toString(), Files.exists(file));
- }
-
- private void uploadAndVerifyFile(SftpClient sftp, Path clientFolder, String remoteDir, int size, String filename) throws Exception {
- // generate random file and upload it
- String remotePath = remoteDir + "/" + filename;
- String randomData = randomString(size);
- try (SftpClient.CloseableHandle handle = sftp.open(remotePath, EnumSet.of(SftpClient.OpenMode.Write, SftpClient.OpenMode.Create))) {
- sftp.write(handle, 0, randomData.getBytes(StandardCharsets.UTF_8), 0, randomData.length());
- }
-
- // verify results
- Path resultPath = clientFolder.resolve(filename);
- assertTrue("File should exist on disk: " + resultPath, Files.exists(resultPath));
- assertTrue("Mismatched file contents: " + resultPath, randomData.equals(readFile(remotePath)));
-
- // cleanup
- sftp.remove(remotePath);
- assertFalse("File should have been removed: " + resultPath, Files.exists(resultPath));
- }
-
- @Test
- public void testSftp() throws Exception {
- String d = getCurrentTestName() + "\n";
-
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Utils.deleteRecursive(lclSftp);
-
- Path target = assertHierarchyTargetFolderExists(lclSftp).resolve("file.txt");
- String remotePath = Utils.resolveRelativeRemotePath(targetPath.getParent(), target);
-
- final int numIterations = 10;
- StringBuilder sb = new StringBuilder(d.length() * numIterations * numIterations);
- for (int j = 1; j <= numIterations; j++) {
- if (sb.length() > 0) {
- sb.setLength(0);
- }
-
- for (int i = 0; i < j; i++) {
- sb.append(d);
- }
-
- sendFile(remotePath, sb.toString());
- assertFileLength(target, sb.length(), TimeUnit.SECONDS.toMillis(5L));
- Files.delete(target);
- }
- }
-
- @Test
- public void testReadWriteWithOffset() throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Utils.deleteRecursive(lclSftp);
-
- Path localPath = assertHierarchyTargetFolderExists(lclSftp).resolve("file.txt");
- String remotePath = Utils.resolveRelativeRemotePath(targetPath.getParent(), localPath);
- String data = getCurrentTestName();
- String extraData = "@" + getClass().getSimpleName();
- int appendOffset = -5;
-
- ChannelSftp c = (ChannelSftp) session.openChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
- c.connect();
- try {
- c.put(new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8)), remotePath);
-
- assertTrue("Remote file not created after initial write: " + localPath, Files.exists(localPath));
- assertEquals("Mismatched data read from " + remotePath, data, readFile(remotePath));
-
- try (OutputStream os = c.put(remotePath, null, ChannelSftp.APPEND, appendOffset)) {
- os.write(extraData.getBytes(StandardCharsets.UTF_8));
- }
- } finally {
- c.disconnect();
- }
-
- assertTrue("Remote file not created after data update: " + localPath, Files.exists(localPath));
-
- String expected = data.substring(0, data.length() + appendOffset) + extraData;
- String actual = readFile(remotePath);
- assertEquals("Mismatched final file data in " + remotePath, expected, actual);
- }
-
- @Test
- public void testReadDir() throws Exception {
- Path cwdPath = Paths.get(System.getProperty("user.dir")).toAbsolutePath();
- Path tgtPath = detectTargetFolder();
- Collection<String> expNames = OsUtils.isUNIX()
- ? new LinkedList<>()
- : new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
- try (DirectoryStream<Path> ds = Files.newDirectoryStream(tgtPath)) {
- for (Path p : ds) {
- String n = Objects.toString(p.getFileName());
- if (".".equals(n) || "..".equals(n)) {
- continue;
- }
-
- assertTrue("Failed to accumulate " + n, expNames.add(n));
- }
- }
-
- Path baseDir = cwdPath.relativize(tgtPath);
- String path = baseDir + "/";
- path = path.replace('\\', '/');
-
- ChannelSftp c = (ChannelSftp) session.openChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
- c.connect();
- try {
- Vector<?> res = c.ls(path);
- for (Object f : res) {
- outputDebugMessage("LsEntry: %s", f);
-
- ChannelSftp.LsEntry entry = (ChannelSftp.LsEntry) f;
- String name = entry.getFilename();
- if (".".equals(name) || "..".equals(name)) {
- continue;
- }
-
- assertTrue("Entry not found: " + name, expNames.remove(name));
- }
-
- assertTrue("Un-listed names: " + expNames, GenericUtils.isEmpty(expNames));
- } finally {
- c.disconnect();
- }
- }
-
- @Test
- public void testRename() throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Utils.deleteRecursive(lclSftp);
-
- Path parentPath = targetPath.getParent();
- Path clientFolder = assertHierarchyTargetFolderExists(lclSftp.resolve("client"));
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- Path file1 = clientFolder.resolve("file-1.txt");
- String file1Path = Utils.resolveRelativeRemotePath(parentPath, file1);
- try (OutputStream os = sftp.write(file1Path, SftpClient.MIN_WRITE_BUFFER_SIZE)) {
- os.write((getCurrentTestName() + "\n").getBytes(StandardCharsets.UTF_8));
- }
-
- Path file2 = clientFolder.resolve("file-2.txt");
- String file2Path = Utils.resolveRelativeRemotePath(parentPath, file2);
- Path file3 = clientFolder.resolve("file-3.txt");
- String file3Path = Utils.resolveRelativeRemotePath(parentPath, file3);
- try {
- sftp.rename(file2Path, file3Path);
- fail("Unxpected rename success of " + file2Path + " => " + file3Path);
- } catch (org.apache.sshd.common.subsystem.sftp.SftpException e) {
- assertEquals("Mismatched status for failed rename of " + file2Path + " => " + file3Path, SftpConstants.SSH_FX_NO_SUCH_FILE, e.getStatus());
- }
-
- try (OutputStream os = sftp.write(file2Path, SftpClient.MIN_WRITE_BUFFER_SIZE)) {
- os.write("h".getBytes(StandardCharsets.UTF_8));
- }
-
- try {
- sftp.rename(file1Path, file2Path);
- fail("Unxpected rename success of " + file1Path + " => " + file2Path);
- } catch (org.apache.sshd.common.subsystem.sftp.SftpException e) {
- assertEquals("Mismatched status for failed rename of " + file1Path + " => " + file2Path, SftpConstants.SSH_FX_FILE_ALREADY_EXISTS, e.getStatus());
- }
-
- sftp.rename(file1Path, file2Path, SftpClient.CopyMode.Overwrite);
- }
- }
- }
-
- @Test
- public void testServerExtensionsDeclarations() throws Exception {
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- Map<String, byte[]> extensions = sftp.getServerExtensions();
- for (String name : new String[]{
- SftpConstants.EXT_NEWLINE, SftpConstants.EXT_VERSIONS,
- SftpConstants.EXT_VENDOR_ID, SftpConstants.EXT_ACL_SUPPORTED,
- SftpConstants.EXT_SUPPORTED, SftpConstants.EXT_SUPPORTED2
- }) {
- assertTrue("Missing extension=" + name, extensions.containsKey(name));
- }
-
- Map<String, ?> data = ParserUtils.parse(extensions);
- data.forEach((extName, extValue) -> {
- outputDebugMessage("%s: %s", extName, extValue);
- if (SftpConstants.EXT_SUPPORTED.equalsIgnoreCase(extName)) {
- assertSupportedExtensions(extName, ((Supported) extValue).extensionNames);
- } else if (SftpConstants.EXT_SUPPORTED2.equalsIgnoreCase(extName)) {
- assertSupportedExtensions(extName, ((Supported2) extValue).extensionNames);
- } else if (SftpConstants.EXT_ACL_SUPPORTED.equalsIgnoreCase(extName)) {
- assertSupportedAclCapabilities((AclCapabilities) extValue);
- } else if (SftpConstants.EXT_VERSIONS.equalsIgnoreCase(extName)) {
- assertSupportedVersions((Versions) extValue);
- } else if (SftpConstants.EXT_NEWLINE.equalsIgnoreCase(extName)) {
- assertNewlineValue((Newline) extValue);
- }
- });
-
- for (String extName : extensions.keySet()) {
- if (!data.containsKey(extName)) {
- outputDebugMessage("No parser for extension=%s", extName);
- }
- }
-
- for (OpenSSHExtension expected : AbstractSftpSubsystemHelper.DEFAULT_OPEN_SSH_EXTENSIONS) {
- String name = expected.getName();
- Object value = data.get(name);
- assertNotNull("OpenSSH extension not declared: " + name, value);
-
- OpenSSHExtension actual = (OpenSSHExtension) value;
- assertEquals("Mismatched version for OpenSSH extension=" + name, expected.getVersion(), actual.getVersion());
- }
-
- for (BuiltinSftpClientExtensions type : BuiltinSftpClientExtensions.VALUES) {
- String extensionName = type.getName();
- boolean isOpenSSHExtension = extensionName.endsWith("@openssh.com");
- SftpClientExtension instance = sftp.getExtension(extensionName);
-
- assertNotNull("Extension not implemented:" + extensionName, instance);
- assertEquals("Mismatched instance name", extensionName, instance.getName());
-
- if (instance.isSupported()) {
- if (isOpenSSHExtension) {
- assertTrue("Unlisted default OpenSSH extension: " + extensionName,
- AbstractSftpSubsystemHelper.DEFAULT_OPEN_SSH_EXTENSIONS_NAMES.contains(extensionName));
- }
- } else {
- assertTrue("Unsupported non-OpenSSH extension: " + extensionName, isOpenSSHExtension);
- assertFalse("Unsupported default OpenSSH extension: " + extensionName,
- AbstractSftpSubsystemHelper.DEFAULT_OPEN_SSH_EXTENSIONS_NAMES.contains(extensionName));
- }
- }
- }
- }
- }
-
- private static void assertSupportedExtensions(String extName, Collection<String> extensionNames) {
- assertEquals(extName + "[count]", EXPECTED_EXTENSIONS.size(), GenericUtils.size(extensionNames));
-
- EXPECTED_EXTENSIONS.forEach((name, f) -> {
- if (!f.isSupported()) {
- assertFalse(extName + " - unsupported feature reported: " + name, extensionNames.contains(name));
- } else {
- assertTrue(extName + " - missing " + name, extensionNames.contains(name));
- }
- });
- }
-
- private static void assertSupportedVersions(Versions vers) {
- List<String> values = vers.getVersions();
- assertEquals("Mismatched reported versions size: " + values,
- 1 + SftpSubsystemEnvironment.HIGHER_SFTP_IMPL - SftpSubsystemEnvironment.LOWER_SFTP_IMPL,
- GenericUtils.size(values));
- for (int expected = SftpSubsystemEnvironment.LOWER_SFTP_IMPL, index = 0; expected <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; expected++, index++) {
- String e = Integer.toString(expected);
- String a = values.get(index);
- assertEquals("Missing value at index=" + index + ": " + values, e, a);
- }
- }
-
- private static void assertNewlineValue(Newline nl) {
- assertEquals("Mismatched NL value",
- BufferUtils.toHex(':', IoUtils.EOL.getBytes(StandardCharsets.UTF_8)),
- BufferUtils.toHex(':', nl.getNewline().getBytes(StandardCharsets.UTF_8)));
- }
-
- private static void assertSupportedAclCapabilities(AclCapabilities caps) {
- Set<Integer> actual = AclCapabilities.deconstructAclCapabilities(caps.getCapabilities());
- assertEquals("Mismatched ACL capabilities count", AbstractSftpSubsystemHelper.DEFAULT_ACL_SUPPORTED_MASK.size(), actual.size());
- assertTrue("Missing capabilities - expected=" + AbstractSftpSubsystemHelper.DEFAULT_ACL_SUPPORTED_MASK + ", actual=" + actual,
- actual.containsAll(AbstractSftpSubsystemHelper.DEFAULT_ACL_SUPPORTED_MASK));
- }
-
- @Test
- public void testSftpVersionSelector() throws Exception {
- final AtomicInteger selected = new AtomicInteger(-1);
- SftpVersionSelector selector = (session, current, available) -> {
- int value = GenericUtils.stream(available)
- .mapToInt(Integer::intValue)
- .filter(v -> v != current)
- .max()
- .orElseGet(() -> current);
- selected.set(value);
- return value;
- };
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient(selector)) {
- assertEquals("Mismatched negotiated version", selected.get(), sftp.getVersion());
- testClient(client, sftp);
- }
- }
- }
-
- @Test // see SSHD-621
- public void testServerDoesNotSupportSftp() throws Exception {
- List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
- assertEquals("Mismatched subsystem factories count", 1, GenericUtils.size(factories));
-
- sshd.setSubsystemFactories(null);
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- PropertyResolverUtils.updateProperty(session, SftpClient.SFTP_CHANNEL_OPEN_TIMEOUT, TimeUnit.SECONDS.toMillis(4L));
- try (SftpClient sftp = session.createSftpClient()) {
- fail("Unexpected SFTP client creation success");
- } catch (SocketTimeoutException | EOFException | WindowClosedException e) {
- // expected - ignored
- } finally {
- PropertyResolverUtils.updateProperty(session, SftpClient.SFTP_CHANNEL_OPEN_TIMEOUT, SftpClient.DEFAULT_CHANNEL_OPEN_TIMEOUT);
- }
- } finally {
- sshd.setSubsystemFactories(factories);
- }
- }
-
- private void testClient(FactoryManager manager, SftpClient sftp) throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Utils.deleteRecursive(lclSftp);
-
- Path parentPath = targetPath.getParent();
- Path clientFolder = assertHierarchyTargetFolderExists(lclSftp).resolve("client");
- String dir = Utils.resolveRelativeRemotePath(parentPath, clientFolder);
- sftp.mkdir(dir);
-
- String file = dir + "/" + getCurrentTestName() + "-file.txt";
- try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Write, SftpClient.OpenMode.Create))) {
- byte[] d = "0123456789\n".getBytes(StandardCharsets.UTF_8);
- sftp.write(h, 0, d, 0, d.length);
- sftp.write(h, d.length, d, 0, d.length);
-
- SftpClient.Attributes attrs = sftp.stat(h);
- assertNotNull("No handle attributes", attrs);
- }
-
- try (SftpClient.CloseableHandle h = sftp.openDir(dir)) {
- List<SftpClient.DirEntry> dirEntries = new ArrayList<>();
- boolean dotFiltered = false;
- boolean dotdotFiltered = false;
- for (SftpClient.DirEntry entry : sftp.listDir(h)) {
- String name = entry.getFilename();
- outputDebugMessage("readDir(%s) initial file: %s", dir, name);
- if (".".equals(name) && (!dotFiltered)) {
- dotFiltered = true;
- } else if ("..".equals(name) && (!dotdotFiltered)) {
- dotdotFiltered = true;
- } else {
- dirEntries.add(entry);
- }
- }
-
- assertTrue("Dot entry not listed", dotFiltered);
- assertTrue("Dot-dot entry not listed", dotdotFiltered);
- assertEquals("Mismatched number of listed entries", 1, dirEntries.size());
- assertNull("Unexpected extra entry read after listing ended", sftp.readDir(h));
- }
-
- sftp.remove(file);
-
- final int sizeFactor = Short.SIZE;
- byte[] workBuf = new byte[IoUtils.DEFAULT_COPY_SIZE * Short.SIZE];
- Factory<? extends Random> factory = manager.getRandomFactory();
- Random random = factory.create();
- random.fill(workBuf);
-
- try (OutputStream os = sftp.write(file)) {
- os.write(workBuf);
- }
-
- // force several internal read cycles to satisfy the full read
- try (InputStream is = sftp.read(file, workBuf.length / sizeFactor)) {
- int readLen = is.read(workBuf);
- assertEquals("Mismatched read data length", workBuf.length, readLen);
-
- int i = is.read();
- assertEquals("Unexpected read past EOF", -1, i);
- }
-
- SftpClient.Attributes attributes = sftp.stat(file);
- assertTrue("Test file not detected as regular", attributes.isRegularFile());
-
- attributes = sftp.stat(dir);
- assertTrue("Test directory not reported as such", attributes.isDirectory());
-
- int nb = 0;
- boolean dotFiltered = false;
- boolean dotdotFiltered = false;
- for (SftpClient.DirEntry entry : sftp.readDir(dir)) {
- assertNotNull("Unexpected null entry", entry);
- String name = entry.getFilename();
- outputDebugMessage("readDir(%s) overwritten file: %s", dir, name);
-
- if (".".equals(name) && (!dotFiltered)) {
- dotFiltered = true;
- } else if ("..".equals(name) && (!dotdotFiltered)) {
- dotdotFiltered = true;
- } else {
- nb++;
- }
- }
- assertTrue("Dot entry not read", dotFiltered);
- assertTrue("Dot-dot entry not read", dotdotFiltered);
- assertEquals("Mismatched read dir entries", 1, nb);
- sftp.remove(file);
- sftp.rmdir(dir);
- }
-
- @Test
- public void testCreateSymbolicLink() throws Exception {
- // Do not execute on windows as the file system does not support symlinks
- Assume.assumeTrue("Skip non-Unix O/S", OsUtils.isUNIX());
- List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
- assertEquals("Mismatched subsystem factories count", 1, GenericUtils.size(factories));
-
- NamedFactory<Command> f = factories.get(0);
- assertObjectInstanceOf("Not an SFTP subsystem factory", SftpSubsystemFactory.class, f);
-
- SftpSubsystemFactory factory = (SftpSubsystemFactory) f;
- final AtomicReference<LinkData> linkDataHolder = new AtomicReference<>();
- SftpEventListener listener = new AbstractSftpEventListenerAdapter() {
- @Override
- public void linking(ServerSession session, Path src, Path target, boolean symLink) {
- assertNull("Multiple linking calls", linkDataHolder.getAndSet(new LinkData(src, target, symLink)));
- }
-
- @Override
- public void linked(ServerSession session, Path src, Path target, boolean symLink, Throwable thrown) {
- LinkData data = linkDataHolder.get();
- assertNotNull("No previous linking call", data);
- assertSame("Mismatched source", data.getSource(), src);
- assertSame("Mismatched target", data.getTarget(), target);
- assertEquals("Mismatched link type", data.isSymLink(), symLink);
- assertNull("Unexpected failure", thrown);
- }
- };
-
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Utils.deleteRecursive(lclSftp);
-
- /*
- * NOTE !!! according to Jsch documentation
- * (see http://epaul.github.io/jsch-documentation/simple.javadoc/com/jcraft/jsch/ChannelSftp.html#current-directory)
- *
- *
- * This sftp client has the concept of a current local directory and
- * a current remote directory. These are not inherent to the protocol,
- * but are used implicitly for all path-based commands sent to the server
- * for the remote directory) or accessing the local file system (for the local directory).
- *
- * Therefore we are using "absolute" remote files for this test
- */
- Path parentPath = targetPath.getParent();
- Path sourcePath = assertHierarchyTargetFolderExists(lclSftp).resolve("src.txt");
- String remSrcPath = "/" + Utils.resolveRelativeRemotePath(parentPath, sourcePath);
-
- factory.addSftpEventListener(listener);
- try {
- String data = getCurrentTestName();
- ChannelSftp c = (ChannelSftp) session.openChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
- c.connect();
-
- try {
- try (InputStream dataStream = new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8))) {
- c.put(dataStream, remSrcPath);
- }
- assertTrue("Source file not created: " + sourcePath, Files.exists(sourcePath));
- assertEquals("Mismatched stored data in " + remSrcPath, data, readFile(remSrcPath));
-
- Path linkPath = lclSftp.resolve("link-" + sourcePath.getFileName());
- String remLinkPath = "/" + Utils.resolveRelativeRemotePath(parentPath, linkPath);
- LinkOption[] options = IoUtils.getLinkOptions(false);
- if (Files.exists(linkPath, options)) {
- Files.delete(linkPath);
- }
- assertFalse("Target link exists before linking: " + linkPath, Files.exists(linkPath, options));
-
- outputDebugMessage("Symlink %s => %s", remLinkPath, remSrcPath);
- c.symlink(remSrcPath, remLinkPath);
-
- assertTrue("Symlink not created: " + linkPath, Files.exists(linkPath, options));
- assertEquals("Mismatched link data in " + remLinkPath, data, readFile(remLinkPath));
-
- String str1 = c.readlink(remLinkPath);
- String str2 = c.realpath(remSrcPath);
- assertEquals("Mismatched link vs. real path", str1, str2);
- } finally {
- c.disconnect();
- }
- } finally {
- factory.removeSftpEventListener(listener);
- }
-
- assertNotNull("No symlink signalled", linkDataHolder.getAndSet(null));
- }
-
- @Test // see SSHD-697
- public void testFileChannel() throws IOException {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Path lclFile = lclSftp.resolve(getCurrentTestName() + ".txt");
- Files.deleteIfExists(lclFile);
- byte[] expected = (getClass().getName() + "#" + getCurrentTestName() + "(" + new Date() + ")").getBytes(StandardCharsets.UTF_8);
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- Path parentPath = targetPath.getParent();
- String remFilePath = Utils.resolveRelativeRemotePath(parentPath, lclFile);
-
- try (FileChannel fc = sftp.openRemotePathChannel(remFilePath, EnumSet.of(StandardOpenOption.CREATE, StandardOpenOption.READ, StandardOpenOption.WRITE))) {
- int writeLen = fc.write(ByteBuffer.wrap(expected));
- assertEquals("Mismatched written length", expected.length, writeLen);
-
- FileChannel fcPos = fc.position(0L);
- assertSame("Mismatched positioned file channel", fc, fcPos);
-
- byte[] actual = new byte[expected.length];
- int readLen = fc.read(ByteBuffer.wrap(actual));
- assertEquals("Mismatched read len", writeLen, readLen);
- assertArrayEquals("Mismatched read data", expected, actual);
- }
- }
- }
-
- byte[] actual = Files.readAllBytes(lclFile);
- assertArrayEquals("Mismatched persisted data", expected, actual);
- }
-
- protected String readFile(String path) throws Exception {
- ChannelSftp c = (ChannelSftp) session.openChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
- c.connect();
-
- try (ByteArrayOutputStream bos = new ByteArrayOutputStream();
- InputStream is = c.get(path)) {
- byte[] buffer = new byte[256];
- for (int count = is.read(buffer); count != -1; count = is.read(buffer)) {
- bos.write(buffer, 0, count);
- }
-
- return bos.toString();
- } finally {
- c.disconnect();
- }
- }
-
- protected void sendFile(String path, String data) throws Exception {
- ChannelSftp c = (ChannelSftp) session.openChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
- c.connect();
- try {
- c.put(new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8)), path);
- } finally {
- c.disconnect();
- }
- }
-
- private String randomString(int size) {
- StringBuilder sb = new StringBuilder(size);
- for (int i = 0; i < size; i++) {
- sb.append((char) ((i % 10) + '0'));
- }
- return sb.toString();
- }
-
- static class LinkData {
- private final Path source;
- private final Path target;
- private final boolean symLink;
-
- LinkData(Path src, Path target, boolean symLink) {
- this.source = Objects.requireNonNull(src, "No source");
- this.target = Objects.requireNonNull(target, "No target");
- this.symLink = symLink;
- }
-
- public Path getSource() {
- return source;
- }
-
- public Path getTarget() {
- return target;
- }
-
- public boolean isSymLink() {
- return symLink;
- }
-
- @Override
- public String toString() {
- return (isSymLink() ? "Symbolic" : "Hard") + " " + getSource() + " => " + getTarget();
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelectorTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelectorTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelectorTest.java
deleted file mode 100644
index afc1944..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelectorTest.java
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-import java.util.Random;
-
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemEnvironment;
-import org.apache.sshd.util.test.BaseTestSupport;
-import org.apache.sshd.util.test.NoIoTestCase;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-import org.junit.runners.MethodSorters;
-import org.mockito.Mockito;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-@Category({ NoIoTestCase.class })
-public class SftpVersionSelectorTest extends BaseTestSupport {
- public SftpVersionSelectorTest() {
- super();
- }
-
- @Test
- public void testCurrentVersionSelector() {
- List<Integer> available = new ArrayList<>();
- Random rnd = new Random(System.nanoTime());
- ClientSession session = Mockito.mock(ClientSession.class);
- for (int expected = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; expected <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; expected++) {
- assertEquals("Mismatched directly selected for available=" + available, expected, SftpVersionSelector.CURRENT.selectVersion(session, expected, available));
- available.add(expected);
- }
-
- for (int expected = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; expected <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; expected++) {
- for (int index = 0; index < available.size(); index++) {
- Collections.shuffle(available, rnd);
- assertEquals("Mismatched suffling selected for current=" + expected + ", available=" + available,
- expected, SftpVersionSelector.CURRENT.selectVersion(session, expected, available));
- }
- }
- }
-
- @Test
- public void testFixedVersionSelector() {
- final int fixedValue = 7365;
- testVersionSelector(SftpVersionSelector.fixedVersionSelector(fixedValue), fixedValue);
- }
-
- @Test
- public void testPreferredVersionSelector() {
- List<Integer> available = new ArrayList<>();
- for (int version = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; version <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; version++) {
- available.add(version);
- }
-
- List<Integer> preferred = new ArrayList<>(available);
- List<Integer> unavailable = Arrays.asList(7365, 3777347);
- Random rnd = new Random(System.nanoTime());
- ClientSession session = Mockito.mock(ClientSession.class);
- for (int index = 0; index < preferred.size(); index++) {
- Collections.shuffle(preferred, rnd);
- SftpVersionSelector selector = SftpVersionSelector.preferredVersionSelector(preferred);
- int expected = preferred.get(0);
-
- for (int current = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; current <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; current++) {
- assertEquals("Mismatched selected for current= " + current + ", available=" + available + ", preferred=" + preferred,
- expected, selector.selectVersion(session, current, available));
-
- try {
- Collections.shuffle(unavailable, rnd);
- int version = unavailable.get(0);
- int actual = selector.selectVersion(session, version, unavailable);
- fail("Unexpected selected version (" + actual + ")"
- + " for current= " + version
- + ", available=" + unavailable
- + ", preferred=" + preferred);
- } catch (IllegalStateException e) {
- // expected
- }
- }
- }
- }
-
- @Test
- public void testMaximumVersionSelector() {
- testVersionSelector(SftpVersionSelector.MAXIMUM, SftpSubsystemEnvironment.HIGHER_SFTP_IMPL);
- }
-
- @Test
- public void testMinimumVersionSelector() {
- testVersionSelector(SftpVersionSelector.MINIMUM, SftpSubsystemEnvironment.LOWER_SFTP_IMPL);
- }
-
- private static void testVersionSelector(SftpVersionSelector selector, int expected) {
- List<Integer> available = new ArrayList<>();
- for (int version = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; version <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; version++) {
- available.add(version);
- }
-
- Random rnd = new Random(System.nanoTime());
- ClientSession session = Mockito.mock(ClientSession.class);
- for (int current = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; current <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; current++) {
- for (int index = 0; index < available.size(); index++) {
- assertEquals("Mismatched selection for current=" + current + ", available=" + available,
- expected, selector.selectVersion(session, current, available));
- Collections.shuffle(available, rnd);
- }
- }
- }
-}
[29/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClient.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClient.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClient.java
deleted file mode 100644
index 43cc619..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClient.java
+++ /dev/null
@@ -1,1038 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.Closeable;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.channels.Channel;
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.OpenOption;
-import java.nio.file.StandardOpenOption;
-import java.nio.file.attribute.AclEntry;
-import java.nio.file.attribute.FileTime;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.EnumSet;
-import java.util.List;
-import java.util.Map;
-import java.util.NavigableMap;
-import java.util.Objects;
-import java.util.Set;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicReference;
-
-import org.apache.sshd.client.subsystem.SubsystemClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpHelper;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-
-/**
- * @author <a href="http://mina.apache.org">Apache MINA Project</a>
- */
-public interface SftpClient extends SubsystemClient {
- /**
- * Used to indicate the {@link Charset} (or its name) for decoding
- * referenced files/folders names - extracted from the client session
- * when 1st initialized.
- * @see #DEFAULT_NAME_DECODING_CHARSET
- * @see #getNameDecodingCharset()
- * @see #setNameDecodingCharset(Charset)
- */
- String NAME_DECODING_CHARSET = "sftp-name-decoding-charset";
-
- /**
- * Default value of {@value #NAME_DECODING_CHARSET}
- */
- Charset DEFAULT_NAME_DECODING_CHARSET = StandardCharsets.UTF_8;
-
- enum OpenMode {
- Read,
- Write,
- Append,
- Create,
- Truncate,
- Exclusive;
-
- /**
- * The {@link Set} of {@link OpenOption}-s supported by {@link #fromOpenOptions(Collection)}
- */
- public static final Set<OpenOption> SUPPORTED_OPTIONS =
- Collections.unmodifiableSet(
- EnumSet.of(
- StandardOpenOption.READ, StandardOpenOption.APPEND,
- StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING,
- StandardOpenOption.WRITE, StandardOpenOption.CREATE_NEW,
- StandardOpenOption.SPARSE));
-
- /**
- * Converts {@link StandardOpenOption}-s into {@link OpenMode}-s
- *
- * @param options The original options - ignored if {@code null}/empty
- * @return A {@link Set} of the equivalent modes
- * @throws IllegalArgumentException If an unsupported option is requested
- * @see #SUPPORTED_OPTIONS
- */
- public static Set<OpenMode> fromOpenOptions(Collection<? extends OpenOption> options) {
- if (GenericUtils.isEmpty(options)) {
- return Collections.emptySet();
- }
-
- Set<OpenMode> modes = EnumSet.noneOf(OpenMode.class);
- for (OpenOption option : options) {
- if (option == StandardOpenOption.READ) {
- modes.add(Read);
- } else if (option == StandardOpenOption.APPEND) {
- modes.add(Append);
- } else if (option == StandardOpenOption.CREATE) {
- modes.add(Create);
- } else if (option == StandardOpenOption.TRUNCATE_EXISTING) {
- modes.add(Truncate);
- } else if (option == StandardOpenOption.WRITE) {
- modes.add(Write);
- } else if (option == StandardOpenOption.CREATE_NEW) {
- modes.add(Create);
- modes.add(Exclusive);
- } else if (option == StandardOpenOption.SPARSE) {
- /*
- * As per the Javadoc:
- *
- * The option is ignored when the file system does not
- * support the creation of sparse files
- */
- continue;
- } else {
- throw new IllegalArgumentException("Unsupported open option: " + option);
- }
- }
-
- return modes;
- }
- }
-
- enum CopyMode {
- Atomic,
- Overwrite
- }
-
- enum Attribute {
- Size,
- UidGid,
- Perms,
- OwnerGroup,
- AccessTime,
- ModifyTime,
- CreateTime,
- Acl,
- Extensions
- }
-
- class Handle {
- private final String path;
- private final byte[] id;
-
- Handle(String path, byte[] id) {
- // clone the original so the handle is immutable
- this.path = ValidateUtils.checkNotNullAndNotEmpty(path, "No remote path");
- this.id = ValidateUtils.checkNotNullAndNotEmpty(id, "No handle ID").clone();
- }
-
- /**
- * @return The remote path represented by this handle
- */
- public String getPath() {
- return path;
- }
-
- public int length() {
- return id.length;
- }
-
- /**
- * @return A <U>cloned</U> instance of the identifier in order to
- * avoid inadvertent modifications to the handle contents
- */
- public byte[] getIdentifier() {
- return id.clone();
- }
-
- @Override
- public int hashCode() {
- return Arrays.hashCode(id);
- }
-
- @Override
- public boolean equals(Object obj) {
- if (obj == null) {
- return false;
- }
-
- if (obj == this) {
- return true;
- }
-
- // we do not ask getClass() == obj.getClass() in order to allow for derived classes equality
- if (!(obj instanceof Handle)) {
- return false;
- }
-
- return Arrays.equals(id, ((Handle) obj).id);
- }
-
- @Override
- public String toString() {
- return getPath() + ": " + BufferUtils.toHex(BufferUtils.EMPTY_HEX_SEPARATOR, id);
- }
- }
-
- // CHECKSTYLE:OFF
- abstract class CloseableHandle extends Handle implements Channel, Closeable {
- protected CloseableHandle(String path, byte[] id) {
- super(path, id);
- }
- }
- // CHECKSTYLE:ON
-
- class Attributes {
- private Set<Attribute> flags = EnumSet.noneOf(Attribute.class);
- private int type = SftpConstants.SSH_FILEXFER_TYPE_UNKNOWN;
- private int perms;
- private int uid;
- private int gid;
- private String owner;
- private String group;
- private long size;
- private FileTime accessTime;
- private FileTime createTime;
- private FileTime modifyTime;
- private List<AclEntry> acl;
- private Map<String, byte[]> extensions = Collections.emptyMap();
-
- public Attributes() {
- super();
- }
-
- public Set<Attribute> getFlags() {
- return flags;
- }
-
- public Attributes addFlag(Attribute flag) {
- flags.add(flag);
- return this;
- }
-
- public Attributes removeFlag(Attribute flag) {
- flags.remove(flag);
- return this;
- }
-
- public int getType() {
- return type;
- }
-
- public void setType(int type) {
- this.type = type;
- }
-
- public long getSize() {
- return size;
- }
-
- public Attributes size(long size) {
- setSize(size);
- return this;
- }
-
- public void setSize(long size) {
- this.size = size;
- addFlag(Attribute.Size);
- }
-
- public String getOwner() {
- return owner;
- }
-
- public Attributes owner(String owner) {
- setOwner(owner);
- return this;
- }
-
- public void setOwner(String owner) {
- this.owner = owner;
- /*
- * According to https://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-13.txt
- * section 7.5
- *
- * If either the owner or group field is zero length, the field
- * should be considered absent, and no change should be made to
- * that specific field during a modification operation.
- */
- if (GenericUtils.isEmpty(owner)) {
- removeFlag(Attribute.OwnerGroup);
- } else {
- addFlag(Attribute.OwnerGroup);
- }
- }
-
- public String getGroup() {
- return group;
- }
-
- public Attributes group(String group) {
- setGroup(group);
- return this;
- }
-
- public void setGroup(String group) {
- this.group = group;
- /*
- * According to https://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-13.txt
- * section 7.5
- *
- * If either the owner or group field is zero length, the field
- * should be considered absent, and no change should be made to
- * that specific field during a modification operation.
- */
- if (GenericUtils.isEmpty(group)) {
- removeFlag(Attribute.OwnerGroup);
- } else {
- addFlag(Attribute.OwnerGroup);
- }
- }
-
- public int getUserId() {
- return uid;
- }
-
- public int getGroupId() {
- return gid;
- }
-
- public Attributes owner(int uid, int gid) {
- this.uid = uid;
- this.gid = gid;
- addFlag(Attribute.UidGid);
- return this;
- }
-
- public int getPermissions() {
- return perms;
- }
-
- public Attributes perms(int perms) {
- setPermissions(perms);
- return this;
- }
-
- public void setPermissions(int perms) {
- this.perms = perms;
- addFlag(Attribute.Perms);
- }
-
- public FileTime getAccessTime() {
- return accessTime;
- }
-
- public Attributes accessTime(long atime) {
- return accessTime(atime, TimeUnit.SECONDS);
- }
-
- public Attributes accessTime(long atime, TimeUnit unit) {
- return accessTime(FileTime.from(atime, unit));
- }
-
- public Attributes accessTime(FileTime atime) {
- setAccessTime(atime);
- return this;
- }
-
- public void setAccessTime(FileTime atime) {
- accessTime = Objects.requireNonNull(atime, "No access time");
- addFlag(Attribute.AccessTime);
- }
-
- public FileTime getCreateTime() {
- return createTime;
- }
-
- public Attributes createTime(long ctime) {
- return createTime(ctime, TimeUnit.SECONDS);
- }
-
- public Attributes createTime(long ctime, TimeUnit unit) {
- return createTime(FileTime.from(ctime, unit));
- }
-
- public Attributes createTime(FileTime ctime) {
- setCreateTime(ctime);
- return this;
- }
-
- public void setCreateTime(FileTime ctime) {
- createTime = Objects.requireNonNull(ctime, "No create time");
- addFlag(Attribute.CreateTime);
- }
-
- public FileTime getModifyTime() {
- return modifyTime;
- }
-
- public Attributes modifyTime(long mtime) {
- return modifyTime(mtime, TimeUnit.SECONDS);
- }
-
- public Attributes modifyTime(long mtime, TimeUnit unit) {
- return modifyTime(FileTime.from(mtime, unit));
- }
-
- public Attributes modifyTime(FileTime mtime) {
- setModifyTime(mtime);
- return this;
- }
-
- public void setModifyTime(FileTime mtime) {
- modifyTime = Objects.requireNonNull(mtime, "No modify time");
- addFlag(Attribute.ModifyTime);
- }
-
- public List<AclEntry> getAcl() {
- return acl;
- }
-
- public Attributes acl(List<AclEntry> acl) {
- setAcl(acl);
- return this;
- }
-
- public void setAcl(List<AclEntry> acl) {
- this.acl = Objects.requireNonNull(acl, "No ACLs");
- addFlag(Attribute.Acl);
- }
-
- public Map<String, byte[]> getExtensions() {
- return extensions;
- }
-
- public Attributes extensions(Map<String, byte[]> extensions) {
- setExtensions(extensions);
- return this;
- }
-
- public void setStringExtensions(Map<String, String> extensions) {
- setExtensions(SftpHelper.toBinaryExtensions(extensions));
- }
-
- public void setExtensions(Map<String, byte[]> extensions) {
- this.extensions = Objects.requireNonNull(extensions, "No extensions");
- addFlag(Attribute.Extensions);
- }
-
- public boolean isRegularFile() {
- return (getPermissions() & SftpConstants.S_IFMT) == SftpConstants.S_IFREG;
- }
-
- public boolean isDirectory() {
- return (getPermissions() & SftpConstants.S_IFMT) == SftpConstants.S_IFDIR;
- }
-
- public boolean isSymbolicLink() {
- return (getPermissions() & SftpConstants.S_IFMT) == SftpConstants.S_IFLNK;
- }
-
- public boolean isOther() {
- return !isRegularFile() && !isDirectory() && !isSymbolicLink();
- }
-
- @Override
- public String toString() {
- return "type=" + getType()
- + ";size=" + getSize()
- + ";uid=" + getUserId()
- + ";gid=" + getGroupId()
- + ";perms=0x" + Integer.toHexString(getPermissions())
- + ";flags=" + getFlags()
- + ";owner=" + getOwner()
- + ";group=" + getGroup()
- + ";aTime=" + getAccessTime()
- + ";cTime=" + getCreateTime()
- + ";mTime=" + getModifyTime()
- + ";extensions=" + getExtensions().keySet();
- }
- }
-
- class DirEntry {
- public static final Comparator<DirEntry> BY_CASE_SENSITIVE_FILENAME = new Comparator<DirEntry>() {
- @Override
- public int compare(DirEntry o1, DirEntry o2) {
- if (o1 == o2) {
- return 0;
- } else if (o1 == null) {
- return 1;
- } else if (o2 == null) {
- return -1;
- } else {
- return GenericUtils.safeCompare(o1.getFilename(), o2.getFilename(), true);
- }
- }
- };
-
- public static final Comparator<DirEntry> BY_CASE_INSENSITIVE_FILENAME = new Comparator<DirEntry>() {
- @Override
- public int compare(DirEntry o1, DirEntry o2) {
- if (o1 == o2) {
- return 0;
- } else if (o1 == null) {
- return 1;
- } else if (o2 == null) {
- return -1;
- } else {
- return GenericUtils.safeCompare(o1.getFilename(), o2.getFilename(), false);
- }
- }
- };
-
- private final String filename;
- private final String longFilename;
- private final Attributes attributes;
-
- public DirEntry(String filename, String longFilename, Attributes attributes) {
- this.filename = filename;
- this.longFilename = longFilename;
- this.attributes = attributes;
- }
-
- public String getFilename() {
- return filename;
- }
-
- public String getLongFilename() {
- return longFilename;
- }
-
- public Attributes getAttributes() {
- return attributes;
- }
-
- @Override
- public String toString() {
- return getFilename() + "[" + getLongFilename() + "]: " + getAttributes();
- }
- }
-
- DirEntry[] EMPTY_DIR_ENTRIES = new DirEntry[0];
-
- // default values used if none specified
- int MIN_BUFFER_SIZE = Byte.MAX_VALUE;
- int MIN_READ_BUFFER_SIZE = MIN_BUFFER_SIZE;
- int MIN_WRITE_BUFFER_SIZE = MIN_BUFFER_SIZE;
- int IO_BUFFER_SIZE = 32 * 1024;
- int DEFAULT_READ_BUFFER_SIZE = IO_BUFFER_SIZE;
- int DEFAULT_WRITE_BUFFER_SIZE = IO_BUFFER_SIZE;
- long DEFAULT_WAIT_TIMEOUT = TimeUnit.SECONDS.toMillis(15L);
-
- /**
- * Property that can be used on the {@link org.apache.sshd.common.FactoryManager}
- * to control the internal timeout used by the client to open a channel.
- * If not specified then {@link #DEFAULT_CHANNEL_OPEN_TIMEOUT} value
- * is used
- */
- String SFTP_CHANNEL_OPEN_TIMEOUT = "sftp-channel-open-timeout";
- long DEFAULT_CHANNEL_OPEN_TIMEOUT = DEFAULT_WAIT_TIMEOUT;
-
- /**
- * Default modes for opening a channel if no specific modes specified
- */
- Set<OpenMode> DEFAULT_CHANNEL_MODES =
- Collections.unmodifiableSet(EnumSet.of(OpenMode.Read, OpenMode.Write));
-
- /**
- * @return The negotiated SFTP protocol version
- */
- int getVersion();
-
- @Override
- default String getName() {
- return SftpConstants.SFTP_SUBSYSTEM_NAME;
- }
-
- /**
- * @return The (never {@code null}) {@link Charset} used to decode referenced files/folders names
- * @see #NAME_DECODING_CHARSET
- */
- Charset getNameDecodingCharset();
-
- void setNameDecodingCharset(Charset cs);
-
- /**
- * @return An (unmodifiable) {@link NavigableMap} of the reported server extensions.
- * where key=extension name (case <U>insensitive</U>)
- */
- NavigableMap<String, byte[]> getServerExtensions();
-
- boolean isClosing();
-
- //
- // Low level API
- //
-
- /**
- * Opens a remote file for read
- *
- * @param path The remote path
- * @return The file's {@link CloseableHandle}
- * @throws IOException If failed to open the remote file
- * @see #open(String, Collection)
- */
- default CloseableHandle open(String path) throws IOException {
- return open(path, Collections.emptySet());
- }
-
- /**
- * Opens a remote file with the specified mode(s)
- *
- * @param path The remote path
- * @param options The desired mode - if none specified
- * then {@link OpenMode#Read} is assumed
- * @return The file's {@link CloseableHandle}
- * @throws IOException If failed to open the remote file
- * @see #open(String, Collection)
- */
- default CloseableHandle open(String path, OpenMode... options) throws IOException {
- return open(path, GenericUtils.of(options));
- }
-
- /**
- * Opens a remote file with the specified mode(s)
- *
- * @param path The remote path
- * @param options The desired mode - if none specified
- * then {@link OpenMode#Read} is assumed
- * @return The file's {@link CloseableHandle}
- * @throws IOException If failed to open the remote file
- */
- CloseableHandle open(String path, Collection<OpenMode> options) throws IOException;
-
- /**
- * Close the handle obtained from one of the {@code open} methods
- *
- * @param handle The {@code Handle} to close
- * @throws IOException If failed to execute
- */
- void close(Handle handle) throws IOException;
-
- /**
- * @param path The remote path to remove
- * @throws IOException If failed to execute
- */
- void remove(String path) throws IOException;
-
- default void rename(String oldPath, String newPath) throws IOException {
- rename(oldPath, newPath, Collections.emptySet());
- }
-
- default void rename(String oldPath, String newPath, CopyMode... options) throws IOException {
- rename(oldPath, newPath, GenericUtils.of(options));
- }
-
- void rename(String oldPath, String newPath, Collection<CopyMode> options) throws IOException;
-
- /**
- * Reads data from the open (file) handle
- *
- * @param handle The file {@link Handle} to read from
- * @param fileOffset The file offset to read from
- * @param dst The destination buffer
- * @return Number of read bytes - {@code -1} if EOF reached
- * @throws IOException If failed to read the data
- * @see #read(Handle, long, byte[], int, int)
- */
- default int read(Handle handle, long fileOffset, byte[] dst) throws IOException {
- return read(handle, fileOffset, dst, null);
- }
-
- /**
- * Reads data from the open (file) handle
- *
- * @param handle The file {@link Handle} to read from
- * @param fileOffset The file offset to read from
- * @param dst The destination buffer
- * @param eofSignalled If not {@code null} then upon return holds a value indicating
- * whether EOF was reached due to the read. If {@code null} indicator
- * value then this indication is not available
- * @return Number of read bytes - {@code -1} if EOF reached
- * @throws IOException If failed to read the data
- * @see #read(Handle, long, byte[], int, int, AtomicReference)
- * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.3">SFTP v6 - section 9.3</A>
- */
- default int read(Handle handle, long fileOffset, byte[] dst, AtomicReference<Boolean> eofSignalled) throws IOException {
- return read(handle, fileOffset, dst, 0, dst.length, eofSignalled);
- }
-
- default int read(Handle handle, long fileOffset, byte[] dst, int dstOffset, int len) throws IOException {
- return read(handle, fileOffset, dst, dstOffset, len, null);
- }
-
- /**
- * Reads data from the open (file) handle
- *
- * @param handle The file {@link Handle} to read from
- * @param fileOffset The file offset to read from
- * @param dst The destination buffer
- * @param dstOffset Offset in destination buffer to place the read data
- * @param len Available destination buffer size to read
- * @param eofSignalled If not {@code null} then upon return holds a value indicating
- * whether EOF was reached due to the read. If {@code null} indicator
- * value then this indication is not available
- * @return Number of read bytes - {@code -1} if EOF reached
- * @throws IOException If failed to read the data
- * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.3">SFTP v6 - section 9.3</A>
- */
- int read(Handle handle, long fileOffset, byte[] dst, int dstOffset, int len, AtomicReference<Boolean> eofSignalled) throws IOException;
-
- default void write(Handle handle, long fileOffset, byte[] src) throws IOException {
- write(handle, fileOffset, src, 0, src.length);
- }
-
- /**
- * Write data to (open) file handle
- *
- * @param handle The file {@link Handle}
- * @param fileOffset Zero-based offset to write in file
- * @param src Data buffer
- * @param srcOffset Offset of valid data in buffer
- * @param len Number of bytes to write
- * @throws IOException If failed to write the data
- */
- void write(Handle handle, long fileOffset, byte[] src, int srcOffset, int len) throws IOException;
-
- /**
- * Create remote directory
- *
- * @param path Remote directory path
- * @throws IOException If failed to execute
- */
- void mkdir(String path) throws IOException;
-
- /**
- * Remove remote directory
- *
- * @param path Remote directory path
- * @throws IOException If failed to execute
- */
- void rmdir(String path) throws IOException;
-
- /**
- * Obtain a handle for a directory
- *
- * @param path Remote directory path
- * @return The associated directory {@link Handle}
- * @throws IOException If failed to execute
- */
- CloseableHandle openDir(String path) throws IOException;
-
- /**
- * @param handle Directory {@link Handle} to read from
- * @return A {@link List} of entries - {@code null} to indicate no more entries
- * <B>Note:</B> the list may be <U>incomplete</U> since the client and
- * server have some internal imposed limit on the number of entries they
- * can process. Therefore several calls to this method may be required
- * (until {@code null}). In order to iterate over all the entries use
- * {@link #readDir(String)}
- * @throws IOException If failed to access the remote site
- */
- default List<DirEntry> readDir(Handle handle) throws IOException {
- return readDir(handle, null);
- }
-
- /**
- * @param handle Directory {@link Handle} to read from
- * @return A {@link List} of entries - {@code null} to indicate no more entries
- * @param eolIndicator An indicator that can be used to get information
- * whether end of list has been reached - ignored if {@code null}. Upon
- * return, set value indicates whether all entries have been exhausted - a {@code null}
- * value means that this information cannot be provided and another call to
- * {@code readDir} is necessary in order to verify that no more entries are pending
- * @throws IOException If failed to access the remote site
- * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4">SFTP v6 - section 9.4</A>
- */
- List<DirEntry> readDir(Handle handle, AtomicReference<Boolean> eolIndicator) throws IOException;
-
- /**
- * @param handle A directory {@link Handle}
- * @return An {@link Iterable} that can be used to iterate over all the
- * directory entries (like {@link #readDir(String)}). <B>Note:</B> the
- * iterable instance is not re-usable - i.e., files can be iterated
- * only <U>once</U>
- * @throws IOException If failed to access the directory
- */
- default Iterable<DirEntry> listDir(Handle handle) throws IOException {
- if (!isOpen()) {
- throw new IOException("listDir(" + handle + ") client is closed");
- }
-
- return new StfpIterableDirHandle(this, handle);
- }
-
- /**
- * The effective "normalized" remote path
- *
- * @param path The requested path - may be relative, and/or contain
- * dots - e.g., ".", "..", "./foo", "../bar"
- *
- * @return The effective "normalized" remote path
- * @throws IOException If failed to execute
- */
- String canonicalPath(String path) throws IOException;
-
- /**
- * Retrieve remote path meta-data - follow symbolic links if encountered
- *
- * @param path The remote path
- * @return The associated {@link Attributes}
- * @throws IOException If failed to execute
- */
- Attributes stat(String path) throws IOException;
-
- /**
- * Retrieve remote path meta-data - do <B>not</B> follow symbolic links
- *
- * @param path The remote path
- * @return The associated {@link Attributes}
- * @throws IOException If failed to execute
- */
- Attributes lstat(String path) throws IOException;
-
- /**
- * Retrieve file/directory handle meta-data
- *
- * @param handle The {@link Handle} obtained via one of the {@code open} calls
- * @return The associated {@link Attributes}
- * @throws IOException If failed to execute
- */
- Attributes stat(Handle handle) throws IOException;
-
- /**
- * Update remote node meta-data
- *
- * @param path The remote path
- * @param attributes The {@link Attributes} to update
- * @throws IOException If failed to execute
- */
- void setStat(String path, Attributes attributes) throws IOException;
-
- /**
- * Update remote node meta-data
- *
- * @param handle The {@link Handle} obtained via one of the {@code open} calls
- * @param attributes The {@link Attributes} to update
- * @throws IOException If failed to execute
- */
- void setStat(Handle handle, Attributes attributes) throws IOException;
-
- /**
- * Retrieve target of a link
- *
- * @param path Remote path that represents a link
- * @return The link target
- * @throws IOException If failed to execute
- */
- String readLink(String path) throws IOException;
-
- /**
- * Create symbolic link
- *
- * @param linkPath The link location
- * @param targetPath The referenced target by the link
- * @throws IOException If failed to execute
- * @see #link(String, String, boolean)
- */
- default void symLink(String linkPath, String targetPath) throws IOException {
- link(linkPath, targetPath, true);
- }
-
- /**
- * Create a link
- *
- * @param linkPath The link location
- * @param targetPath The referenced target by the link
- * @param symbolic If {@code true} then make this a symbolic link, otherwise a hard one
- * @throws IOException If failed to execute
- */
- void link(String linkPath, String targetPath, boolean symbolic) throws IOException;
-
- // see SSH_FXP_BLOCK / SSH_FXP_UNBLOCK for byte range locks
- void lock(Handle handle, long offset, long length, int mask) throws IOException;
-
- void unlock(Handle handle, long offset, long length) throws IOException;
-
- //
- // High level API
- //
-
- default SftpRemotePathChannel openRemotePathChannel(String path, OpenOption... options) throws IOException {
- return openRemotePathChannel(path, GenericUtils.isEmpty(options) ? Collections.emptyList() : Arrays.asList(options));
- }
-
- default SftpRemotePathChannel openRemotePathChannel(String path, Collection<? extends OpenOption> options) throws IOException {
- return openRemoteFileChannel(path, OpenMode.fromOpenOptions(options));
- }
-
- default SftpRemotePathChannel openRemoteFileChannel(String path, OpenMode... modes) throws IOException {
- return openRemoteFileChannel(path, GenericUtils.isEmpty(modes) ? Collections.emptyList() : Arrays.asList(modes));
- }
-
- /**
- * Opens an {@link SftpRemotePathChannel} on the specified remote path
- *
- * @param path The remote path
- * @param modes The access mode(s) - if {@code null}/empty then the {@link #DEFAULT_CHANNEL_MODES} are used
- * @return The open {@link SftpRemotePathChannel} - <B>Note:</B> do not close this
- * owner client instance until the channel is no longer needed since it uses the client
- * for providing the channel's functionality.
- * @throws IOException If failed to open the channel
- * @see java.nio.channels.Channels#newInputStream(java.nio.channels.ReadableByteChannel)
- * @see java.nio.channels.Channels#newOutputStream(java.nio.channels.WritableByteChannel)
- */
- default SftpRemotePathChannel openRemoteFileChannel(String path, Collection<OpenMode> modes) throws IOException {
- return new SftpRemotePathChannel(path, this, false, GenericUtils.isEmpty(modes) ? DEFAULT_CHANNEL_MODES : modes);
- }
-
- /**
- * @param path The remote directory path
- * @return An {@link Iterable} that can be used to iterate over all the
- * directory entries (unlike {@link #readDir(Handle)})
- * @throws IOException If failed to access the remote site
- * @see #readDir(Handle)
- */
- default Iterable<DirEntry> readDir(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("readDir(" + path + ") client is closed");
- }
-
- return new SftpIterableDirEntry(this, path);
- }
-
- default InputStream read(String path) throws IOException {
- return read(path, DEFAULT_READ_BUFFER_SIZE);
- }
-
- default InputStream read(String path, int bufferSize) throws IOException {
- return read(path, bufferSize, EnumSet.of(OpenMode.Read));
- }
-
- default InputStream read(String path, OpenMode... mode) throws IOException {
- return read(path, DEFAULT_READ_BUFFER_SIZE, mode);
- }
-
- default InputStream read(String path, int bufferSize, OpenMode... mode) throws IOException {
- return read(path, bufferSize, GenericUtils.of(mode));
- }
-
- default InputStream read(String path, Collection<OpenMode> mode) throws IOException {
- return read(path, DEFAULT_READ_BUFFER_SIZE, mode);
- }
-
- /**
- * Read a remote file's data via an input stream
- *
- * @param path The remote file path
- * @param bufferSize The internal read buffer size
- * @param mode The remote file {@link OpenMode}s
- * @return An {@link InputStream} for reading the remote file data
- * @throws IOException If failed to execute
- */
- default InputStream read(String path, int bufferSize, Collection<OpenMode> mode) throws IOException {
- if (bufferSize < MIN_READ_BUFFER_SIZE) {
- throw new IllegalArgumentException("Insufficient read buffer size: " + bufferSize + ", min.=" + MIN_READ_BUFFER_SIZE);
- }
-
- if (!isOpen()) {
- throw new IOException("read(" + path + ")[" + mode + "] size=" + bufferSize + ": client is closed");
- }
-
- return new SftpInputStreamWithChannel(this, bufferSize, path, mode);
- }
-
- default OutputStream write(String path) throws IOException {
- return write(path, DEFAULT_WRITE_BUFFER_SIZE);
- }
-
- default OutputStream write(String path, int bufferSize) throws IOException {
- return write(path, bufferSize, EnumSet.of(OpenMode.Write, OpenMode.Create, OpenMode.Truncate));
- }
-
- default OutputStream write(String path, OpenMode... mode) throws IOException {
- return write(path, DEFAULT_WRITE_BUFFER_SIZE, mode);
- }
-
- default OutputStream write(String path, int bufferSize, OpenMode... mode) throws IOException {
- return write(path, bufferSize, GenericUtils.of(mode));
- }
-
- default OutputStream write(String path, Collection<OpenMode> mode) throws IOException {
- return write(path, DEFAULT_WRITE_BUFFER_SIZE, mode);
- }
-
- /**
- * Write to a remote file via an output stream
- *
- * @param path The remote file path
- * @param bufferSize The internal write buffer size
- * @param mode The remote file {@link OpenMode}s
- * @return An {@link OutputStream} for writing the data
- * @throws IOException If failed to execute
- */
- default OutputStream write(String path, int bufferSize, Collection<OpenMode> mode) throws IOException {
- if (bufferSize < MIN_WRITE_BUFFER_SIZE) {
- throw new IllegalArgumentException("Insufficient write buffer size: " + bufferSize + ", min.=" + MIN_WRITE_BUFFER_SIZE);
- }
-
- if (!isOpen()) {
- throw new IOException("write(" + path + ")[" + mode + "] size=" + bufferSize + ": client is closed");
- }
-
- return new SftpOutputStreamWithChannel(this, bufferSize, path, mode);
- }
-
- /**
- * @param <E> The generic extension type
- * @param extensionType The extension type
- * @return The extension instance - <B>Note:</B> it is up to the caller
- * to invoke {@link SftpClientExtension#isSupported()} - {@code null} if
- * this extension type is not implemented by the client
- * @see #getServerExtensions()
- */
- <E extends SftpClientExtension> E getExtension(Class<? extends E> extensionType);
-
- /**
- * @param extensionName The extension name
- * @return The extension instance - <B>Note:</B> it is up to the caller
- * to invoke {@link SftpClientExtension#isSupported()} - {@code null} if
- * this extension type is not implemented by the client
- * @see #getServerExtensions()
- */
- SftpClientExtension getExtension(String extensionName);
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientCreator.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientCreator.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientCreator.java
deleted file mode 100644
index a282b87..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientCreator.java
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.FileSystem;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpClientCreator {
- /**
- * Create an SFTP client from this session.
- *
- * @return The created {@link SftpClient}
- * @throws IOException if failed to create the client
- */
- default SftpClient createSftpClient() throws IOException {
- return createSftpClient(SftpVersionSelector.CURRENT);
- }
-
- /**
- * Creates an SFTP client using the specified version
- *
- * @param version The version to use - <B>Note:</B> if the specified
- * version is not supported by the server then an exception
- * will occur
- * @return The created {@link SftpClient}
- * @throws IOException If failed to create the client or use the specified version
- */
- default SftpClient createSftpClient(int version) throws IOException {
- return createSftpClient(SftpVersionSelector.fixedVersionSelector(version));
- }
-
- /**
- * Creates an SFTP client while allowing the selection of a specific version
- *
- * @param selector The {@link SftpVersionSelector} to use - <B>Note:</B>
- * if the server does not support versions re-negotiation then the
- * selector will be presented with only one "choice" - the
- * current version
- * @return The created {@link SftpClient}
- * @throws IOException If failed to create the client or re-negotiate
- */
- SftpClient createSftpClient(SftpVersionSelector selector) throws IOException;
-
- default FileSystem createSftpFileSystem() throws IOException {
- return createSftpFileSystem(SftpVersionSelector.CURRENT);
- }
-
- default FileSystem createSftpFileSystem(int version) throws IOException {
- return createSftpFileSystem(SftpVersionSelector.fixedVersionSelector(version));
- }
-
- default FileSystem createSftpFileSystem(SftpVersionSelector selector) throws IOException {
- return createSftpFileSystem(selector, SftpClient.DEFAULT_READ_BUFFER_SIZE, SftpClient.DEFAULT_WRITE_BUFFER_SIZE);
- }
-
- default FileSystem createSftpFileSystem(int version, int readBufferSize, int writeBufferSize) throws IOException {
- return createSftpFileSystem(SftpVersionSelector.fixedVersionSelector(version), readBufferSize, writeBufferSize);
- }
-
- default FileSystem createSftpFileSystem(int readBufferSize, int writeBufferSize) throws IOException {
- return createSftpFileSystem(SftpVersionSelector.CURRENT, readBufferSize, writeBufferSize);
- }
-
- FileSystem createSftpFileSystem(SftpVersionSelector selector, int readBufferSize, int writeBufferSize) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactory.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactory.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactory.java
deleted file mode 100644
index 15e321f..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactory.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.FileSystem;
-
-import org.apache.sshd.client.session.ClientSession;
-
-/**
- * TODO Add javadoc
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpClientFactory {
- /**
- * @param session The {@link ClientSession} to which the SFTP client should be attached
- * @param selector The {@link SftpVersionSelector} to use in order to negotiate the SFTP version
- * @return The created {@link SftpClient} instance
- * @throws IOException If failed to create the client
- */
- SftpClient createSftpClient(ClientSession session, SftpVersionSelector selector) throws IOException;
-
- /**
- * @param session The {@link ClientSession} to which the SFTP client backing the file system should be attached
- * @param selector The {@link SftpVersionSelector} to use in order to negotiate the SFTP version
- * @param readBufferSize Default I/O read buffer size
- * @param writeBufferSize Default I/O write buffer size
- * @return The created {@link FileSystem} instance
- * @throws IOException If failed to create the instance
- */
- FileSystem createSftpFileSystem(
- ClientSession session, SftpVersionSelector selector, int readBufferSize, int writeBufferSize)
- throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactoryManager.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactoryManager.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactoryManager.java
deleted file mode 100644
index 02bc5f6..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpClientFactoryManager.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-/**
- * TODO Add javadoc
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpClientFactoryManager {
- /**
- * @return The (never {@code null}) {@link SftpClientFactory} instance
- */
- SftpClientFactory getSftpClientFactory();
-
- /**
- * @param sftpClientFactory The {@link SftpClientFactory} instance to use - if {@code null}
- * then an internal default will be used
- */
- void setSftpClientFactory(SftpClientFactory sftpClientFactory);
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpCommand.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpCommand.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpCommand.java
deleted file mode 100644
index 3b8e88f..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpCommand.java
+++ /dev/null
@@ -1,920 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.PrintStream;
-import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
-import java.nio.channels.Channel;
-import java.nio.file.DirectoryStream;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Map;
-import java.util.Objects;
-import java.util.TreeMap;
-import java.util.logging.Level;
-
-import org.apache.sshd.client.SshClient;
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Attributes;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatPathExtension;
-import org.apache.sshd.common.NamedResource;
-import org.apache.sshd.common.io.IoSession;
-import org.apache.sshd.common.kex.KexProposalOption;
-import org.apache.sshd.common.session.Session;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.StatVfsExtensionParser;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.OsUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.common.util.io.NoCloseInputStream;
-
-/**
- * Implements a simple command line SFTP client similar to the Linux one
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpCommand implements Channel {
- /**
- * Command line option used to indicate a non-default port number
- */
- public static final String SFTP_PORT_OPTION = "-P";
-
- private final SftpClient client;
- private final Map<String, CommandExecutor> commandsMap;
- private String cwdRemote;
- private String cwdLocal;
-
- @SuppressWarnings("synthetic-access")
- public SftpCommand(SftpClient client) {
- this.client = Objects.requireNonNull(client, "No client");
-
- Map<String, CommandExecutor> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- for (CommandExecutor e : Arrays.asList(
- new ExitCommandExecutor(),
- new PwdCommandExecutor(),
- new InfoCommandExecutor(),
- new SessionCommandExecutor(),
- new VersionCommandExecutor(),
- new CdCommandExecutor(),
- new LcdCommandExecutor(),
- new MkdirCommandExecutor(),
- new LsCommandExecutor(),
- new LStatCommandExecutor(),
- new ReadLinkCommandExecutor(),
- new RmCommandExecutor(),
- new RmdirCommandExecutor(),
- new RenameCommandExecutor(),
- new StatVfsCommandExecutor(),
- new GetCommandExecutor(),
- new PutCommandExecutor(),
- new HelpCommandExecutor()
- )) {
- String name = e.getName();
- ValidateUtils.checkTrue(map.put(name, e) == null, "Multiple commands named '%s'", name);
- }
- commandsMap = Collections.unmodifiableMap(map);
- cwdLocal = System.getProperty("user.dir");
- }
-
- public final SftpClient getClient() {
- return client;
- }
-
- public void doInteractive(BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- SftpClient sftp = getClient();
- setCurrentRemoteDirectory(sftp.canonicalPath("."));
- while (true) {
- stdout.append(getCurrentRemoteDirectory()).append(" > ").flush();
- String line = stdin.readLine();
- if (line == null) { // EOF
- break;
- }
-
- line = GenericUtils.replaceWhitespaceAndTrim(line);
- if (GenericUtils.isEmpty(line)) {
- continue;
- }
-
- String cmd;
- String args;
- int pos = line.indexOf(' ');
- if (pos > 0) {
- cmd = line.substring(0, pos);
- args = line.substring(pos + 1).trim();
- } else {
- cmd = line;
- args = "";
- }
-
- CommandExecutor exec = commandsMap.get(cmd);
- try {
- if (exec == null) {
- stderr.append("Unknown command: ").println(line);
- } else {
- try {
- if (exec.executeCommand(args, stdin, stdout, stderr)) {
- break;
- }
- } catch (Exception e) {
- stderr.append(e.getClass().getSimpleName()).append(": ").println(e.getMessage());
- } finally {
- stdout.flush();
- }
- }
- } finally {
- stderr.flush(); // just makings sure
- }
- }
- }
-
- protected String resolveLocalPath(String pathArg) {
- String cwd = getCurrentLocalDirectory();
- if (GenericUtils.isEmpty(pathArg)) {
- return cwd;
- }
-
- if (OsUtils.isWin32()) {
- if ((pathArg.length() >= 2) && (pathArg.charAt(1) == ':')) {
- return pathArg;
- }
- } else {
- if (pathArg.charAt(0) == '/') {
- return pathArg;
- }
- }
-
- return cwd + File.separator + pathArg.replace('/', File.separatorChar);
- }
-
- protected String resolveRemotePath(String pathArg) {
- String cwd = getCurrentRemoteDirectory();
- if (GenericUtils.isEmpty(pathArg)) {
- return cwd;
- }
-
- if (pathArg.charAt(0) == '/') {
- return pathArg;
- } else {
- return cwd + "/" + pathArg;
- }
- }
-
- protected <A extends Appendable> A appendFileAttributes(A stdout, SftpClient sftp, String path, Attributes attrs) throws IOException {
- stdout.append('\t').append(Long.toString(attrs.getSize()))
- .append('\t').append(SftpFileSystemProvider.getRWXPermissions(attrs.getPermissions()));
- if (attrs.isSymbolicLink()) {
- String linkValue = sftp.readLink(path);
- stdout.append(" => ")
- .append('(').append(attrs.isDirectory() ? "dir" : "file").append(')')
- .append(' ').append(linkValue);
- }
-
- return stdout;
- }
-
- public String getCurrentRemoteDirectory() {
- return cwdRemote;
- }
-
- public void setCurrentRemoteDirectory(String path) {
- cwdRemote = path;
- }
-
- public String getCurrentLocalDirectory() {
- return cwdLocal;
- }
-
- public void setCurrentLocalDirectory(String path) {
- cwdLocal = path;
- }
-
- @Override
- public boolean isOpen() {
- return client.isOpen();
- }
-
- @Override
- public void close() throws IOException {
- if (isOpen()) {
- client.close();
- }
- }
-
- public interface CommandExecutor extends NamedResource {
- // return value is whether to stop running
- boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception;
- }
-
- //////////////////////////////////////////////////////////////////////////
-
- public static <A extends Appendable> A appendInfoValue(A sb, CharSequence name, Object value) throws IOException {
- sb.append('\t').append(name).append(": ").append(Objects.toString(value));
- return sb;
- }
-
- public static void main(String[] args) throws Exception {
- PrintStream stdout = System.out;
- PrintStream stderr = System.err;
- OutputStream logStream = stderr;
- try (BufferedReader stdin = new BufferedReader(new InputStreamReader(new NoCloseInputStream(System.in)))) {
- Level level = SshClient.resolveLoggingVerbosity(args);
- logStream = SshClient.resolveLoggingTargetStream(stdout, stderr, args);
- if (logStream != null) {
- SshClient.setupLogging(level, stdout, stderr, logStream);
- }
-
- ClientSession session = (logStream == null) ? null : SshClient.setupClientSession(SFTP_PORT_OPTION, stdin, stdout, stderr, args);
- if (session == null) {
- System.err.println("usage: sftp [-v[v][v]] [-E logoutput] [-i identity]"
- + " [-l login] [" + SFTP_PORT_OPTION + " port] [-o option=value]"
- + " [-w password] [-c cipherlist] [-m maclist] [-C] hostname/user@host");
- System.exit(-1);
- return;
- }
-
- try {
- try (SftpCommand sftp = new SftpCommand(session.createSftpClient())) {
- sftp.doInteractive(stdin, stdout, stderr);
- }
- } finally {
- session.close();
- }
- } finally {
- if ((logStream != stdout) && (logStream != stderr)) {
- logStream.close();
- }
- }
- }
-
- private static class ExitCommandExecutor implements CommandExecutor {
- ExitCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "exit";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
- stdout.println("Exiting");
- return true;
- }
- }
-
- private class PwdCommandExecutor implements CommandExecutor {
- protected PwdCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "pwd";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
- stdout.append('\t').append("Remote: ").println(getCurrentRemoteDirectory());
- stdout.append('\t').append("Local: ").println(getCurrentLocalDirectory());
- return false;
- }
- }
-
- private class SessionCommandExecutor implements CommandExecutor {
- SessionCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "session";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
- SftpClient sftp = getClient();
- ClientSession session = sftp.getSession();
- appendInfoValue(stdout, "Session ID", BufferUtils.toHex(session.getSessionId())).println();
- appendInfoValue(stdout, "Connect address", session.getConnectAddress()).println();
-
- IoSession ioSession = session.getIoSession();
- appendInfoValue(stdout, "Local address", ioSession.getLocalAddress()).println();
- appendInfoValue(stdout, "Remote address", ioSession.getRemoteAddress()).println();
-
- for (KexProposalOption option : KexProposalOption.VALUES) {
- appendInfoValue(stdout, option.getDescription(), session.getNegotiatedKexParameter(option)).println();
- }
-
- return false;
- }
- }
-
- private class InfoCommandExecutor implements CommandExecutor {
- InfoCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "info";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
- SftpClient sftp = getClient();
- Session session = sftp.getSession();
- stdout.append('\t').println(session.getServerVersion());
-
- Map<String, byte[]> extensions = sftp.getServerExtensions();
- Map<String, ?> parsed = ParserUtils.parse(extensions);
- if (GenericUtils.size(extensions) > 0) {
- stdout.println();
- }
-
- extensions.forEach((name, value) -> {
- Object info = parsed.get(name);
-
- stdout.append('\t').append(name).append(": ");
- if (info == null) {
- stdout.println(BufferUtils.toHex(value));
- } else {
- stdout.println(info);
- }
- });
-
- return false;
- }
- }
-
- private class VersionCommandExecutor implements CommandExecutor {
- VersionCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "version";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
- SftpClient sftp = getClient();
- stdout.append('\t').println(sftp.getVersion());
- return false;
- }
- }
-
- private class CdCommandExecutor extends PwdCommandExecutor {
- CdCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "cd";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- ValidateUtils.checkNotNullAndNotEmpty(args, "No remote directory specified");
-
- String newPath = resolveRemotePath(args);
- SftpClient sftp = getClient();
- setCurrentRemoteDirectory(sftp.canonicalPath(newPath));
- return super.executeCommand("", stdin, stdout, stderr);
- }
- }
-
- private class LcdCommandExecutor extends PwdCommandExecutor {
- LcdCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "lcd";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- if (GenericUtils.isEmpty(args)) {
- setCurrentLocalDirectory(System.getProperty("user.home"));
- } else {
- Path path = Paths.get(resolveLocalPath(args)).normalize().toAbsolutePath();
- ValidateUtils.checkTrue(Files.exists(path), "No such local directory: %s", path);
- ValidateUtils.checkTrue(Files.isDirectory(path), "Path is not a directory: %s", path);
- setCurrentLocalDirectory(path.toString());
- }
-
- return super.executeCommand("", stdin, stdout, stderr);
- }
- }
-
- private class MkdirCommandExecutor implements CommandExecutor {
- MkdirCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "mkdir";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- ValidateUtils.checkNotNullAndNotEmpty(args, "No remote directory specified");
-
- String path = resolveRemotePath(args);
- SftpClient sftp = getClient();
- sftp.mkdir(path);
- return false;
- }
- }
-
- private class LsCommandExecutor implements CommandExecutor {
- LsCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "ls";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- String[] comps = GenericUtils.split(args, ' ');
- int numComps = GenericUtils.length(comps);
- String pathArg = (numComps <= 0) ? null : GenericUtils.trimToEmpty(comps[numComps - 1]);
- String flags = (numComps >= 2) ? GenericUtils.trimToEmpty(comps[0]) : null;
- // ignore all flags
- if ((GenericUtils.length(pathArg) > 0) && (pathArg.charAt(0) == '-')) {
- flags = pathArg;
- pathArg = null;
- }
-
- String path = resolveRemotePath(pathArg);
- SftpClient sftp = getClient();
- int version = sftp.getVersion();
- boolean showLongName = (version == SftpConstants.SFTP_V3) && (GenericUtils.length(flags) > 1) && (flags.indexOf('l') > 0);
- for (SftpClient.DirEntry entry : sftp.readDir(path)) {
- String fileName = entry.getFilename();
- SftpClient.Attributes attrs = entry.getAttributes();
- appendFileAttributes(stdout.append('\t').append(fileName), sftp, path + "/" + fileName, attrs).println();
- if (showLongName) {
- stdout.append("\t\tlong-name: ").println(entry.getLongFilename());
- }
- }
-
- return false;
- }
- }
-
- private class RmCommandExecutor implements CommandExecutor {
- RmCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "rm";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- String[] comps = GenericUtils.split(args, ' ');
- int numArgs = GenericUtils.length(comps);
- ValidateUtils.checkTrue(numArgs >= 1, "No arguments");
- ValidateUtils.checkTrue(numArgs <= 2, "Too many arguments: %s", args);
-
- String remotePath = comps[0];
- boolean recursive = false;
- boolean verbose = false;
- if (remotePath.charAt(0) == '-') {
- ValidateUtils.checkTrue(remotePath.length() > 1, "Missing flags specification: %s", args);
- ValidateUtils.checkTrue(numArgs == 2, "Missing remote directory: %s", args);
-
- for (int index = 1; index < remotePath.length(); index++) {
- char ch = remotePath.charAt(index);
- switch(ch) {
- case 'r' :
- recursive = true;
- break;
- case 'v':
- verbose = true;
- break;
- default:
- throw new IllegalArgumentException("Unknown flag (" + String.valueOf(ch) + ")");
- }
- }
- remotePath = comps[1];
- }
-
- String path = resolveRemotePath(remotePath);
- SftpClient sftp = getClient();
- if (recursive) {
- Attributes attrs = sftp.stat(path);
- ValidateUtils.checkTrue(attrs.isDirectory(), "Remote path not a directory: %s", args);
- removeRecursive(sftp, path, attrs, stdout, verbose);
- } else {
- sftp.remove(path);
- if (verbose) {
- stdout.append('\t').append("Removed ").println(path);
- }
- }
-
- return false;
- }
-
- private void removeRecursive(SftpClient sftp, String path, Attributes attrs, PrintStream stdout, boolean verbose) throws IOException {
- if (attrs.isDirectory()) {
- for (DirEntry entry : sftp.readDir(path)) {
- String name = entry.getFilename();
- if (".".equals(name) || "..".equals(name)) {
- continue;
- }
-
- removeRecursive(sftp, path + "/" + name, entry.getAttributes(), stdout, verbose);
- }
-
- sftp.rmdir(path);
- } else if (attrs.isRegularFile()) {
- sftp.remove(path);
- } else {
- if (verbose) {
- stdout.append('\t').append("Skip special file ").println(path);
- return;
- }
- }
-
- if (verbose) {
- stdout.append('\t').append("Removed ").println(path);
- }
- }
- }
-
- private class RmdirCommandExecutor implements CommandExecutor {
- RmdirCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "rmdir";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- ValidateUtils.checkNotNullAndNotEmpty(args, "No remote directory specified");
-
- String path = resolveRemotePath(args);
- SftpClient sftp = getClient();
- sftp.rmdir(path);
- return false;
- }
- }
-
- private class RenameCommandExecutor implements CommandExecutor {
- RenameCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "rename";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- String[] comps = GenericUtils.split(args, ' ');
- ValidateUtils.checkTrue(GenericUtils.length(comps) == 2, "Invalid number of arguments: %s", args);
-
- String oldPath = resolveRemotePath(GenericUtils.trimToEmpty(comps[0]));
- String newPath = resolveRemotePath(GenericUtils.trimToEmpty(comps[1]));
- SftpClient sftp = getClient();
- sftp.rename(oldPath, newPath);
- return false;
- }
- }
-
- private class StatVfsCommandExecutor implements CommandExecutor {
- StatVfsCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return StatVfsExtensionParser.NAME;
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- String[] comps = GenericUtils.split(args, ' ');
- int numArgs = GenericUtils.length(comps);
- ValidateUtils.checkTrue(numArgs <= 1, "Invalid number of arguments: %s", args);
-
- SftpClient sftp = getClient();
- OpenSSHStatPathExtension ext = sftp.getExtension(OpenSSHStatPathExtension.class);
- ValidateUtils.checkTrue(ext.isSupported(), "Extension not supported by server: %s", ext.getName());
-
- String remPath = resolveRemotePath((numArgs >= 1) ? GenericUtils.trimToEmpty(comps[0]) : GenericUtils.trimToEmpty(args));
- OpenSSHStatExtensionInfo info = ext.stat(remPath);
- Field[] fields = info.getClass().getFields();
- for (Field f : fields) {
- String name = f.getName();
- int mod = f.getModifiers();
- if (Modifier.isStatic(mod)) {
- continue;
- }
-
- Object value = f.get(info);
- stdout.append('\t').append(name).append(": ").println(value);
- }
-
- return false;
- }
- }
-
- private class LStatCommandExecutor implements CommandExecutor {
- LStatCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "lstat";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- String[] comps = GenericUtils.split(args, ' ');
- ValidateUtils.checkTrue(GenericUtils.length(comps) <= 1, "Invalid number of arguments: %s", args);
-
- String path = GenericUtils.trimToEmpty(resolveRemotePath(args));
- SftpClient client = getClient();
- Attributes attrs = client.lstat(path);
- appendFileAttributes(stdout, client, path, attrs).println();
- return false;
- }
- }
-
- private class ReadLinkCommandExecutor implements CommandExecutor {
- ReadLinkCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "readlink";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- String[] comps = GenericUtils.split(args, ' ');
- ValidateUtils.checkTrue(GenericUtils.length(comps) <= 1, "Invalid number of arguments: %s", args);
-
- String path = GenericUtils.trimToEmpty(resolveRemotePath(args));
- SftpClient client = getClient();
- String linkData = client.readLink(path);
- stdout.append('\t').println(linkData);
- return false;
- }
- }
-
- private class HelpCommandExecutor implements CommandExecutor {
- HelpCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "help";
- }
-
- @Override
- @SuppressWarnings("synthetic-access")
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- ValidateUtils.checkTrue(GenericUtils.isEmpty(args), "Unexpected arguments: %s", args);
- for (String cmd : commandsMap.keySet()) {
- stdout.append('\t').println(cmd);
- }
- return false;
- }
- }
-
- private abstract class TransferCommandExecutor implements CommandExecutor {
- protected TransferCommandExecutor() {
- super();
- }
-
- protected void createDirectories(SftpClient sftp, String remotePath) throws IOException {
- try {
- Attributes attrs = sftp.stat(remotePath);
- ValidateUtils.checkTrue(attrs.isDirectory(), "Remote path already exists but is not a directory: %s", remotePath);
- return;
- } catch (SftpException e) {
- int status = e.getStatus();
- ValidateUtils.checkTrue(status == SftpConstants.SSH_FX_NO_SUCH_FILE, "Failed to get status of %s: %s", remotePath, e.getMessage());
- }
-
- int pos = remotePath.lastIndexOf('/');
- ValidateUtils.checkTrue(pos > 0, "No more parents for %s", remotePath);
- createDirectories(sftp, remotePath.substring(0, pos));
- }
-
- protected void transferFile(SftpClient sftp, Path localPath, String remotePath, boolean upload, PrintStream stdout, boolean verbose) throws IOException {
- // Create the file's hierarchy
- if (upload) {
- int pos = remotePath.lastIndexOf('/');
- ValidateUtils.checkTrue(pos > 0, "Missing full remote file path: %s", remotePath);
- createDirectories(sftp, remotePath.substring(0, pos));
- } else {
- Files.createDirectories(localPath.getParent());
- }
-
- try (InputStream input = upload ? Files.newInputStream(localPath) : sftp.read(remotePath);
- OutputStream output = upload ? sftp.write(remotePath) : Files.newOutputStream(localPath)) {
- IoUtils.copy(input, output, SftpClient.IO_BUFFER_SIZE);
- }
-
- if (verbose) {
- stdout.append('\t')
- .append("Copied ").append(upload ? localPath.toString() : remotePath)
- .append(" to ").println(upload ? remotePath : localPath.toString());
- }
- }
-
- protected void transferRemoteDir(SftpClient sftp, Path localPath, String remotePath, Attributes attrs, PrintStream stdout, boolean verbose) throws IOException {
- if (attrs.isDirectory()) {
- for (DirEntry entry : sftp.readDir(remotePath)) {
- String name = entry.getFilename();
- if (".".equals(name) || "..".equals(name)) {
- continue;
- }
-
- transferRemoteDir(sftp, localPath.resolve(name), remotePath + "/" + name, entry.getAttributes(), stdout, verbose);
- }
- } else if (attrs.isRegularFile()) {
- transferFile(sftp, localPath, remotePath, false, stdout, verbose);
- } else {
- if (verbose) {
- stdout.append('\t').append("Skip remote special file ").println(remotePath);
- }
- }
- }
-
- protected void transferLocalDir(SftpClient sftp, Path localPath, String remotePath, PrintStream stdout, boolean verbose) throws IOException {
- if (Files.isDirectory(localPath)) {
- try (DirectoryStream<Path> ds = Files.newDirectoryStream(localPath)) {
- for (Path entry : ds) {
- String name = entry.getFileName().toString();
- transferLocalDir(sftp, localPath.resolve(name), remotePath + "/" + name, stdout, verbose);
- }
- }
- } else if (Files.isRegularFile(localPath)) {
- transferFile(sftp, localPath, remotePath, true, stdout, verbose);
- } else {
- if (verbose) {
- stdout.append('\t').append("Skip local special file ").println(localPath);
- }
- }
- }
-
- protected void executeCommand(String args, boolean upload, PrintStream stdout) throws IOException {
- String[] comps = GenericUtils.split(args, ' ');
- int numArgs = GenericUtils.length(comps);
- ValidateUtils.checkTrue((numArgs >= 1) && (numArgs <= 3), "Invalid number of arguments: %s", args);
-
- String src = comps[0];
- boolean recursive = false;
- boolean verbose = false;
- int tgtIndex = 1;
- if (src.charAt(0) == '-') {
- ValidateUtils.checkTrue(src.length() > 1, "Missing flags specification: %s", args);
- ValidateUtils.checkTrue(numArgs >= 2, "Missing source specification: %s", args);
-
- for (int index = 1; index < src.length(); index++) {
- char ch = src.charAt(index);
- switch(ch) {
- case 'r' :
- recursive = true;
- break;
- case 'v':
- verbose = true;
- break;
- default:
- throw new IllegalArgumentException("Unknown flag (" + String.valueOf(ch) + ")");
- }
- }
- src = comps[1];
- tgtIndex++;
- }
-
- String tgt = (tgtIndex < numArgs) ? comps[tgtIndex] : null;
- String localPath;
- String remotePath;
- if (upload) {
- localPath = src;
- remotePath = ValidateUtils.checkNotNullAndNotEmpty(tgt, "No remote target specified: %s", args);
- } else {
- localPath = GenericUtils.isEmpty(tgt) ? getCurrentLocalDirectory() : tgt;
- remotePath = src;
- }
-
- SftpClient sftp = getClient();
- Path local = Paths.get(resolveLocalPath(localPath)).normalize().toAbsolutePath();
- String remote = resolveRemotePath(remotePath);
- if (recursive) {
- if (upload) {
- ValidateUtils.checkTrue(Files.isDirectory(local), "Local path not a directory or does not exist: %s", local);
- transferLocalDir(sftp, local, remote, stdout, verbose);
- } else {
- Attributes attrs = sftp.stat(remote);
- ValidateUtils.checkTrue(attrs.isDirectory(), "Remote path not a directory: %s", remote);
- transferRemoteDir(sftp, local, remote, attrs, stdout, verbose);
- }
- } else {
- if (Files.exists(local) && Files.isDirectory(local)) {
- int pos = remote.lastIndexOf('/');
- String name = (pos >= 0) ? remote.substring(pos + 1) : remote;
- local = local.resolve(name);
- }
-
- transferFile(sftp, local, remote, upload, stdout, verbose);
- }
- }
- }
-
- private class GetCommandExecutor extends TransferCommandExecutor {
- GetCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "get";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- executeCommand(args, false, stdout);
- return false;
- }
- }
-
- private class PutCommandExecutor extends TransferCommandExecutor {
- PutCommandExecutor() {
- super();
- }
-
- @Override
- public String getName() {
- return "put";
- }
-
- @Override
- public boolean executeCommand(String args, BufferedReader stdin, PrintStream stdout, PrintStream stderr) throws Exception {
- executeCommand(args, true, stdout);
- return false;
- }
- }
-}
[09/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/NewlineParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/NewlineParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/NewlineParser.java
new file mode 100644
index 0000000..2ad7ddb
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/NewlineParser.java
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions;
+
+import java.io.Serializable;
+import java.nio.charset.StandardCharsets;
+import java.util.Objects;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.NewlineParser.Newline;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class NewlineParser extends AbstractParser<Newline> {
+ /**
+ * The "newline" extension information as per
+ * <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 Section 4.3</A>
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+ public static class Newline implements Cloneable, Serializable {
+ private static final long serialVersionUID = 2010656704254497899L;
+ private String newline;
+
+ public Newline() {
+ this(null);
+ }
+
+ public Newline(String newline) {
+ this.newline = newline;
+ }
+
+ public String getNewline() {
+ return newline;
+ }
+
+ public void setNewline(String newline) {
+ this.newline = newline;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hashCode(getNewline());
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ if (obj == this) {
+ return true;
+ }
+ if (obj.getClass() != getClass()) {
+ return false;
+ }
+
+ return Objects.equals(((Newline) obj).getNewline(), getNewline());
+ }
+
+ @Override
+ public Newline clone() {
+ try {
+ return getClass().cast(super.clone());
+ } catch (CloneNotSupportedException e) {
+ throw new RuntimeException("Failed to clone " + toString() + ": " + e.getMessage(), e);
+ }
+ }
+
+ @Override
+ public String toString() {
+ String nl = getNewline();
+ if (GenericUtils.isEmpty(nl)) {
+ return nl;
+ } else {
+ return BufferUtils.toHex(':', nl.getBytes(StandardCharsets.UTF_8));
+ }
+ }
+ }
+
+ public static final NewlineParser INSTANCE = new NewlineParser();
+
+ public NewlineParser() {
+ super(SftpConstants.EXT_NEWLINE);
+ }
+
+ @Override
+ public Newline parse(byte[] input, int offset, int len) {
+ return parse(new String(input, offset, len, StandardCharsets.UTF_8));
+ }
+
+ public Newline parse(String value) {
+ return new Newline(value);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ParserUtils.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ParserUtils.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ParserUtils.java
new file mode 100644
index 0000000..e565ab4
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ParserUtils.java
@@ -0,0 +1,195 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.TreeMap;
+import java.util.TreeSet;
+
+import org.apache.sshd.common.subsystem.sftp.extensions.Supported2Parser.Supported2;
+import org.apache.sshd.common.subsystem.sftp.extensions.SupportedParser.Supported;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FstatVfsExtensionParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FsyncExtensionParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.HardLinkExtensionParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.PosixRenameExtensionParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.StatVfsExtensionParser;
+import org.apache.sshd.common.util.GenericUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 3.4</A>
+ */
+public final class ParserUtils {
+ public static final Collection<ExtensionParser<?>> BUILT_IN_PARSERS =
+ Collections.unmodifiableList(
+ Arrays.<ExtensionParser<?>>asList(
+ VendorIdParser.INSTANCE,
+ NewlineParser.INSTANCE,
+ VersionsParser.INSTANCE,
+ SupportedParser.INSTANCE,
+ Supported2Parser.INSTANCE,
+ AclSupportedParser.INSTANCE,
+ // OpenSSH extensions
+ PosixRenameExtensionParser.INSTANCE,
+ StatVfsExtensionParser.INSTANCE,
+ FstatVfsExtensionParser.INSTANCE,
+ HardLinkExtensionParser.INSTANCE,
+ FsyncExtensionParser.INSTANCE
+ ));
+
+ private static final Map<String, ExtensionParser<?>> PARSERS_MAP;
+
+ static {
+ PARSERS_MAP = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ for (ExtensionParser<?> p : BUILT_IN_PARSERS) {
+ PARSERS_MAP.put(p.getName(), p);
+ }
+ }
+
+ private ParserUtils() {
+ throw new UnsupportedOperationException("No instance");
+ }
+
+ /**
+ * @param parser The {@link ExtensionParser} to register
+ * @return The replaced parser (by name) - {@code null} if no previous parser
+ * for this extension name
+ */
+ public static ExtensionParser<?> registerParser(ExtensionParser<?> parser) {
+ Objects.requireNonNull(parser, "No parser instance");
+
+ synchronized (PARSERS_MAP) {
+ return PARSERS_MAP.put(parser.getName(), parser);
+ }
+ }
+
+ /**
+ * @param name The extension name - ignored if {@code null}/empty
+ * @return The removed {@link ExtensionParser} - {@code null} if none registered
+ * for this extension name
+ */
+ public static ExtensionParser<?> unregisterParser(String name) {
+ if (GenericUtils.isEmpty(name)) {
+ return null;
+ }
+
+ synchronized (PARSERS_MAP) {
+ return PARSERS_MAP.remove(name);
+ }
+ }
+
+ /**
+ * @param name The extension name - ignored if {@code null}/empty
+ * @return The registered {@link ExtensionParser} - {@code null} if none registered
+ * for this extension name
+ */
+ public static ExtensionParser<?> getRegisteredParser(String name) {
+ if (GenericUtils.isEmpty(name)) {
+ return null;
+ }
+
+ synchronized (PARSERS_MAP) {
+ return PARSERS_MAP.get(name);
+ }
+ }
+
+ public static Set<String> getRegisteredParsersNames() {
+ synchronized (PARSERS_MAP) {
+ if (PARSERS_MAP.isEmpty()) {
+ return Collections.emptySet();
+ } else { // return a copy in order to avoid concurrent modification issues
+ return GenericUtils.asSortedSet(String.CASE_INSENSITIVE_ORDER, PARSERS_MAP.keySet());
+ }
+ }
+ }
+
+ public static List<ExtensionParser<?>> getRegisteredParsers() {
+ synchronized (PARSERS_MAP) {
+ if (PARSERS_MAP.isEmpty()) {
+ return Collections.emptyList();
+ } else { // return a copy in order to avoid concurrent modification issues
+ return new ArrayList<>(PARSERS_MAP.values());
+ }
+ }
+ }
+
+ public static Set<String> supportedExtensions(Map<String, ?> parsed) {
+ if (GenericUtils.isEmpty(parsed)) {
+ return Collections.emptySet();
+ }
+
+ Supported sup = (Supported) parsed.get(SupportedParser.INSTANCE.getName());
+ Collection<String> extra = (sup == null) ? null : sup.extensionNames;
+ Supported2 sup2 = (Supported2) parsed.get(Supported2Parser.INSTANCE.getName());
+ Collection<String> extra2 = (sup2 == null) ? null : sup2.extensionNames;
+ if (GenericUtils.isEmpty(extra)) {
+ return GenericUtils.asSortedSet(String.CASE_INSENSITIVE_ORDER, extra2);
+ } else if (GenericUtils.isEmpty(extra2)) {
+ return GenericUtils.asSortedSet(String.CASE_INSENSITIVE_ORDER, extra);
+ }
+
+ Set<String> result = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
+ result.addAll(extra);
+ result.addAll(extra2);
+ return result;
+ }
+
+ /**
+ * @param extensions The received extensions in encoded form
+ * @return A {@link Map} of all the successfully decoded extensions
+ * where key=extension name (same as in the original map), value=the
+ * decoded extension value. Extensions for which there is no registered
+ * parser are <U>ignored</U>
+ * @see #getRegisteredParser(String)
+ * @see ExtensionParser#parse(byte[])
+ */
+ public static Map<String, Object> parse(Map<String, byte[]> extensions) {
+ if (GenericUtils.isEmpty(extensions)) {
+ return Collections.emptyMap();
+ }
+
+ Map<String, Object> data = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ extensions.forEach((name, value) -> {
+ Object result = parse(name, value);
+ if (result == null) {
+ return;
+ }
+ data.put(name, result);
+ });
+
+ return data;
+ }
+
+ public static Object parse(String name, byte... encoded) {
+ ExtensionParser<?> parser = getRegisteredParser(name);
+ if (parser == null) {
+ return null;
+ } else {
+ return parser.parse(encoded);
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SpaceAvailableExtensionInfo.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SpaceAvailableExtensionInfo.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SpaceAvailableExtensionInfo.java
new file mode 100644
index 0000000..16dc184
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SpaceAvailableExtensionInfo.java
@@ -0,0 +1,125 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions;
+
+import java.io.IOException;
+import java.nio.file.FileStore;
+
+import org.apache.sshd.common.util.NumberUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 section 9.2</A>
+ */
+public class SpaceAvailableExtensionInfo implements Cloneable {
+ // CHECKSTYLE:OFF
+ public long bytesOnDevice;
+ public long unusedBytesOnDevice;
+ public long bytesAvailableToUser;
+ public long unusedBytesAvailableToUser;
+ public int bytesPerAllocationUnit;
+ // CHECKSTYLE:ON
+
+ public SpaceAvailableExtensionInfo() {
+ super();
+ }
+
+ public SpaceAvailableExtensionInfo(Buffer buffer) {
+ decode(buffer, this);
+ }
+
+ public SpaceAvailableExtensionInfo(FileStore store) throws IOException {
+ bytesOnDevice = store.getTotalSpace();
+
+ long unallocated = store.getUnallocatedSpace();
+ long usable = store.getUsableSpace();
+ unusedBytesOnDevice = Math.max(unallocated, usable);
+
+ // the rest are intentionally left zero indicating "UNKNOWN"
+ }
+
+ @Override
+ public int hashCode() {
+ return NumberUtils.hashCode(bytesOnDevice, unusedBytesOnDevice,
+ bytesAvailableToUser, unusedBytesAvailableToUser,
+ bytesPerAllocationUnit);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ if (this == obj) {
+ return true;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+
+ SpaceAvailableExtensionInfo other = (SpaceAvailableExtensionInfo) obj;
+ return this.bytesOnDevice == other.bytesOnDevice
+ && this.unusedBytesOnDevice == other.unusedBytesOnDevice
+ && this.bytesAvailableToUser == other.bytesAvailableToUser
+ && this.unusedBytesAvailableToUser == other.unusedBytesAvailableToUser
+ && this.bytesPerAllocationUnit == other.bytesPerAllocationUnit;
+ }
+
+ @Override
+ public SpaceAvailableExtensionInfo clone() {
+ try {
+ return getClass().cast(super.clone());
+ } catch (CloneNotSupportedException e) {
+ throw new RuntimeException("Failed to close " + toString() + ": " + e.getMessage());
+ }
+ }
+
+ @Override
+ public String toString() {
+ return "bytesOnDevice=" + bytesOnDevice
+ + ",unusedBytesOnDevice=" + unusedBytesOnDevice
+ + ",bytesAvailableToUser=" + bytesAvailableToUser
+ + ",unusedBytesAvailableToUser=" + unusedBytesAvailableToUser
+ + ",bytesPerAllocationUnit=" + bytesPerAllocationUnit;
+ }
+
+ public static SpaceAvailableExtensionInfo decode(Buffer buffer) {
+ SpaceAvailableExtensionInfo info = new SpaceAvailableExtensionInfo();
+ decode(buffer, info);
+ return info;
+ }
+
+ public static void decode(Buffer buffer, SpaceAvailableExtensionInfo info) {
+ info.bytesOnDevice = buffer.getLong();
+ info.unusedBytesOnDevice = buffer.getLong();
+ info.bytesAvailableToUser = buffer.getLong();
+ info.unusedBytesAvailableToUser = buffer.getLong();
+ info.bytesPerAllocationUnit = buffer.getInt();
+ }
+
+ public static void encode(Buffer buffer, SpaceAvailableExtensionInfo info) {
+ buffer.putLong(info.bytesOnDevice);
+ buffer.putLong(info.unusedBytesOnDevice);
+ buffer.putLong(info.bytesAvailableToUser);
+ buffer.putLong(info.unusedBytesAvailableToUser);
+ buffer.putInt(info.bytesPerAllocationUnit & 0xFFFFFFFFL);
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/Supported2Parser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/Supported2Parser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/Supported2Parser.java
new file mode 100644
index 0000000..6259a7c
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/Supported2Parser.java
@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions;
+
+import java.util.Collection;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.Supported2Parser.Supported2;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
+
+/**
+ * Parses the "supported2" extension as defined in
+ * <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-10">DRAFT 13 section 5.4</A>
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class Supported2Parser extends AbstractParser<Supported2> {
+ /**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-10">DRAFT 13 section 5.4</A>
+ */
+ public static class Supported2 {
+ // CHECKSTYLE:OFF
+ public int supportedAttributeMask;
+ public int supportedAttributeBits;
+ public int supportedOpenFlags;
+ public int supportedAccessMask;
+ public int maxReadSize;
+ public short supportedOpenBlockVector;
+ public short supportedBlock;
+ // uint32 attrib-extension-count
+ public Collection<String> attribExtensionNames;
+ // uint32 extension-count
+ public Collection<String> extensionNames;
+ // CHECKSTYLE:ON
+
+ @Override
+ public String toString() {
+ return "attrsMask=0x" + Integer.toHexString(supportedAttributeMask)
+ + ",attrsBits=0x" + Integer.toHexString(supportedAttributeBits)
+ + ",openFlags=0x" + Integer.toHexString(supportedOpenFlags)
+ + ",accessMask=0x" + Integer.toHexString(supportedAccessMask)
+ + ",maxRead=" + maxReadSize
+ + ",openBlock=0x" + Integer.toHexString(supportedOpenBlockVector & 0xFFFF)
+ + ",block=" + Integer.toHexString(supportedBlock & 0xFFFF)
+ + ",attribs=" + attribExtensionNames
+ + ",exts=" + extensionNames;
+ }
+ }
+
+ public static final Supported2Parser INSTANCE = new Supported2Parser();
+
+ public Supported2Parser() {
+ super(SftpConstants.EXT_SUPPORTED2);
+ }
+
+ @Override
+ public Supported2 parse(byte[] input, int offset, int len) {
+ return parse(new ByteArrayBuffer(input, offset, len));
+ }
+
+ public Supported2 parse(Buffer buffer) {
+ Supported2 sup2 = new Supported2();
+ sup2.supportedAttributeMask = buffer.getInt();
+ sup2.supportedAttributeBits = buffer.getInt();
+ sup2.supportedOpenFlags = buffer.getInt();
+ sup2.supportedAccessMask = buffer.getInt();
+ sup2.maxReadSize = buffer.getInt();
+ sup2.supportedOpenBlockVector = buffer.getShort();
+ sup2.supportedBlock = buffer.getShort();
+ sup2.attribExtensionNames = buffer.getStringList(true);
+ sup2.extensionNames = buffer.getStringList(true);
+ return sup2;
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SupportedParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SupportedParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SupportedParser.java
new file mode 100644
index 0000000..4c80463
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SupportedParser.java
@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions;
+
+import java.util.Collection;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.SupportedParser.Supported;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
+
+/**
+ * Parses the "supported" extension as defined in
+ * <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-05.txt">DRAFT 05 - section 4.4</A>
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SupportedParser extends AbstractParser<Supported> {
+ /**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-05.txt">DRAFT 05 - section 4.4</A>
+ */
+ public static class Supported {
+ // CHECKSTYLE:OFF
+ public int supportedAttributeMask;
+ public int supportedAttributeBits;
+ public int supportedOpenFlags;
+ public int supportedAccessMask;
+ public int maxReadSize;
+ public Collection<String> extensionNames;
+ // CHECKSTYLE:ON
+
+ @Override
+ public String toString() {
+ return "attrsMask=0x" + Integer.toHexString(supportedAttributeMask)
+ + ",attrsBits=0x" + Integer.toHexString(supportedAttributeBits)
+ + ",openFlags=0x" + Integer.toHexString(supportedOpenFlags)
+ + ",accessMask=0x" + Integer.toHexString(supportedAccessMask)
+ + ",maxReadSize=" + maxReadSize
+ + ",extensions=" + extensionNames;
+ }
+ }
+
+ public static final SupportedParser INSTANCE = new SupportedParser();
+
+ public SupportedParser() {
+ super(SftpConstants.EXT_SUPPORTED);
+ }
+
+ @Override
+ public Supported parse(byte[] input, int offset, int len) {
+ return parse(new ByteArrayBuffer(input, offset, len));
+ }
+
+ public Supported parse(Buffer buffer) {
+ Supported sup = new Supported();
+ sup.supportedAttributeMask = buffer.getInt();
+ sup.supportedAttributeBits = buffer.getInt();
+ sup.supportedOpenFlags = buffer.getInt();
+ sup.supportedAccessMask = buffer.getInt();
+ sup.maxReadSize = buffer.getInt();
+ sup.extensionNames = buffer.getStringList(false);
+ return sup;
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VendorIdParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VendorIdParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VendorIdParser.java
new file mode 100644
index 0000000..1917d7d
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VendorIdParser.java
@@ -0,0 +1,71 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.VendorIdParser.VendorId;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class VendorIdParser extends AbstractParser<VendorId> {
+ /**
+ * The "vendor-id" information as per
+ * <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 4.4</A>
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+ public static class VendorId {
+ // CHECKSTYLE:OFF
+ public String vendorName;
+ public String productName;
+ public String productVersion;
+ public long productBuildNumber;
+ // CHECKSTYLE:ON
+
+ @Override
+ public String toString() {
+ return vendorName + "-" + productName + "-" + productVersion + "-" + productBuildNumber;
+ }
+ }
+
+ public static final VendorIdParser INSTANCE = new VendorIdParser();
+
+ public VendorIdParser() {
+ super(SftpConstants.EXT_VENDOR_ID);
+ }
+
+ @Override
+ public VendorId parse(byte[] input, int offset, int len) {
+ return parse(new ByteArrayBuffer(input, offset, len));
+ }
+
+ public VendorId parse(Buffer buffer) {
+ VendorId id = new VendorId();
+ id.vendorName = buffer.getString();
+ id.productName = buffer.getString();
+ id.productVersion = buffer.getString();
+ id.productBuildNumber = buffer.getLong();
+ return id;
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VersionsParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VersionsParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VersionsParser.java
new file mode 100644
index 0000000..51b31f6
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VersionsParser.java
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.VersionsParser.Versions;
+import org.apache.sshd.common.util.GenericUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class VersionsParser extends AbstractParser<Versions> {
+ /**
+ * The "versions" extension data as per
+ * <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 Section 4.6</A>
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+ public static class Versions {
+ public static final char SEP = ',';
+
+ private List<String> versions;
+
+ public Versions() {
+ this(null);
+ }
+
+ public Versions(List<String> versions) {
+ this.versions = versions;
+ }
+
+ public List<String> getVersions() {
+ return versions;
+ }
+
+ public void setVersions(List<String> versions) {
+ this.versions = versions;
+ }
+
+ @Override
+ public String toString() {
+ return GenericUtils.join(getVersions(), ',');
+ }
+ }
+
+ public static final VersionsParser INSTANCE = new VersionsParser();
+
+ public VersionsParser() {
+ super(SftpConstants.EXT_VERSIONS);
+ }
+
+ @Override
+ public Versions parse(byte[] input, int offset, int len) {
+ return parse(new String(input, offset, len, StandardCharsets.UTF_8));
+ }
+
+ public Versions parse(String value) {
+ String[] comps = GenericUtils.split(value, Versions.SEP);
+ return new Versions(GenericUtils.isEmpty(comps) ? Collections.emptyList() : Arrays.asList(comps));
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/AbstractOpenSSHExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/AbstractOpenSSHExtensionParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/AbstractOpenSSHExtensionParser.java
new file mode 100644
index 0000000..8590e64
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/AbstractOpenSSHExtensionParser.java
@@ -0,0 +1,113 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
+
+import java.io.Serializable;
+import java.nio.charset.StandardCharsets;
+import java.util.Objects;
+
+import org.apache.sshd.common.NamedResource;
+import org.apache.sshd.common.subsystem.sftp.extensions.AbstractParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.AbstractOpenSSHExtensionParser.OpenSSHExtension;
+import org.apache.sshd.common.util.ValidateUtils;
+
+/**
+ * Base class for various {@code XXX@openssh.com} extension data reports
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractOpenSSHExtensionParser extends AbstractParser<OpenSSHExtension> {
+ public static class OpenSSHExtension implements NamedResource, Cloneable, Serializable {
+ private static final long serialVersionUID = 5902797870154506909L;
+ private final String name;
+ private String version;
+
+ public OpenSSHExtension(String name) {
+ this(name, null);
+ }
+
+ public OpenSSHExtension(String name, String version) {
+ this.name = ValidateUtils.checkNotNullAndNotEmpty(name, "No extension name");
+ this.version = version;
+ }
+
+ @Override
+ public final String getName() {
+ return name;
+ }
+
+ public String getVersion() {
+ return version;
+ }
+
+ public void setVersion(String version) {
+ this.version = version;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(getName(), getVersion());
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ if (this == obj) {
+ return true;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+
+ OpenSSHExtension other = (OpenSSHExtension) obj;
+ return Objects.equals(getName(), other.getName())
+ && Objects.equals(getVersion(), other.getVersion());
+ }
+
+ @Override
+ public OpenSSHExtension clone() {
+ try {
+ return getClass().cast(super.clone());
+ } catch (CloneNotSupportedException e) {
+ throw new RuntimeException("Unexpected clone exception " + toString() + ": " + e.getMessage());
+ }
+ }
+
+ @Override
+ public String toString() {
+ return getName() + " " + getVersion();
+ }
+ }
+
+ protected AbstractOpenSSHExtensionParser(String name) {
+ super(name);
+ }
+
+ @Override
+ public OpenSSHExtension parse(byte[] input, int offset, int len) {
+ return parse(new String(input, offset, len, StandardCharsets.UTF_8));
+ }
+
+ public OpenSSHExtension parse(String version) {
+ return new OpenSSHExtension(getName(), version);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FstatVfsExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FstatVfsExtensionParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FstatVfsExtensionParser.java
new file mode 100644
index 0000000..4d13bf4
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FstatVfsExtensionParser.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class FstatVfsExtensionParser extends AbstractOpenSSHExtensionParser {
+ public static final String NAME = "fstatvfs@openssh.com";
+ public static final FstatVfsExtensionParser INSTANCE = new FstatVfsExtensionParser();
+
+ public FstatVfsExtensionParser() {
+ super(NAME);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FsyncExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FsyncExtensionParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FsyncExtensionParser.java
new file mode 100644
index 0000000..e9967ab
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FsyncExtensionParser.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 10</A>
+ */
+public class FsyncExtensionParser extends AbstractOpenSSHExtensionParser {
+ public static final String NAME = "fsync@openssh.com";
+ public static final FsyncExtensionParser INSTANCE = new FsyncExtensionParser();
+
+ public FsyncExtensionParser() {
+ super(NAME);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/HardLinkExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/HardLinkExtensionParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/HardLinkExtensionParser.java
new file mode 100644
index 0000000..6d79a78
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/HardLinkExtensionParser.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 10</A>
+ */
+public class HardLinkExtensionParser extends AbstractOpenSSHExtensionParser {
+ public static final String NAME = "hardlink@openssh.com";
+ public static final HardLinkExtensionParser INSTANCE = new HardLinkExtensionParser();
+
+ public HardLinkExtensionParser() {
+ super(NAME);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/PosixRenameExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/PosixRenameExtensionParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/PosixRenameExtensionParser.java
new file mode 100644
index 0000000..151c1ee
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/PosixRenameExtensionParser.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 3.3</A>
+ */
+public class PosixRenameExtensionParser extends AbstractOpenSSHExtensionParser {
+ public static final String NAME = "posix-rename@openssh.com";
+ public static final PosixRenameExtensionParser INSTANCE = new PosixRenameExtensionParser();
+
+ public PosixRenameExtensionParser() {
+ super(NAME);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/StatVfsExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/StatVfsExtensionParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/StatVfsExtensionParser.java
new file mode 100644
index 0000000..be0fd8a
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/StatVfsExtensionParser.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 3.4</A>
+ */
+public class StatVfsExtensionParser extends AbstractOpenSSHExtensionParser {
+ public static final String NAME = "statvfs@openssh.com";
+ public static final StatVfsExtensionParser INSTANCE = new StatVfsExtensionParser();
+
+ public StatVfsExtensionParser() {
+ super(NAME);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerAdapter.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerAdapter.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerAdapter.java
new file mode 100644
index 0000000..6895bae
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerAdapter.java
@@ -0,0 +1,258 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.CopyOption;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Collection;
+import java.util.Map;
+
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.logging.AbstractLoggingBean;
+import org.apache.sshd.server.session.ServerSession;
+
+/**
+ * A no-op implementation of {@link SftpEventListener} for those who wish to
+ * implement only a small number of methods. By default, all non-overridden methods
+ * simply log at TRACE level their invocation parameters
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractSftpEventListenerAdapter extends AbstractLoggingBean implements SftpEventListener {
+ protected AbstractSftpEventListenerAdapter() {
+ super();
+ }
+
+ @Override
+ public void initialized(ServerSession session, int version) {
+ if (log.isTraceEnabled()) {
+ log.trace("initialized(" + session + ") version: " + version);
+ }
+ }
+
+ @Override
+ public void destroying(ServerSession session) {
+ if (log.isTraceEnabled()) {
+ log.trace("destroying(" + session + ")");
+ }
+ }
+
+ @Override
+ public void opening(ServerSession session, String remoteHandle, Handle localHandle) throws IOException {
+ if (log.isTraceEnabled()) {
+ Path path = localHandle.getFile();
+ log.trace("opening(" + session + ")[" + remoteHandle + "] " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
+ }
+ }
+
+ @Override
+ public void open(ServerSession session, String remoteHandle, Handle localHandle) {
+ if (log.isTraceEnabled()) {
+ Path path = localHandle.getFile();
+ log.trace("open(" + session + ")[" + remoteHandle + "] " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
+ }
+ }
+
+ @Override
+ public void read(ServerSession session, String remoteHandle, DirectoryHandle localHandle, Map<String, Path> entries)
+ throws IOException {
+ int numEntries = GenericUtils.size(entries);
+ if (log.isDebugEnabled()) {
+ log.debug("read(" + session + ")[" + localHandle.getFile() + "] " + numEntries + " entries");
+ }
+
+ if ((numEntries > 0) && log.isTraceEnabled()) {
+ entries.forEach((key, value) ->
+ log.trace("read(" + session + ")[" + localHandle.getFile() + "] " + key + " - " + value));
+ }
+ }
+
+ @Override
+ public void reading(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, byte[] data, int dataOffset, int dataLen)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("reading(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", requested=" + dataLen);
+ }
+ }
+
+ @Override
+ public void read(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, byte[] data, int dataOffset, int dataLen, int readLen, Throwable thrown)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("read(" + session + ")[" + localHandle.getFile() + "] offset=" + offset
+ + ", requested=" + dataLen + ", read=" + readLen
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+ }
+
+ @Override
+ public void writing(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, byte[] data, int dataOffset, int dataLen)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("write(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", requested=" + dataLen);
+ }
+ }
+
+ @Override
+ public void written(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, byte[] data, int dataOffset, int dataLen, Throwable thrown)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("written(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", requested=" + dataLen
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+ }
+
+ @Override
+ public void blocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length, int mask)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("blocking(" + session + ")[" + localHandle.getFile() + "]"
+ + " offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask));
+ }
+ }
+
+ @Override
+ public void blocked(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, long length, int mask, Throwable thrown)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("blocked(" + session + ")[" + localHandle.getFile() + "]"
+ + " offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask)
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+ }
+
+ @Override
+ public void unblocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("unblocking(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", length=" + length);
+ }
+ }
+
+ @Override
+ public void unblocked(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, long length, Throwable thrown)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("unblocked(" + session + ")[" + localHandle.getFile() + "]"
+ + " offset=" + offset + ", length=" + length
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+ }
+
+ @Override
+ public void close(ServerSession session, String remoteHandle, Handle localHandle) {
+ if (log.isTraceEnabled()) {
+ Path path = localHandle.getFile();
+ log.trace("close(" + session + ")[" + remoteHandle + "] " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
+ }
+ }
+
+ @Override
+ public void creating(ServerSession session, Path path, Map<String, ?> attrs)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("creating(" + session + ") " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
+ }
+ }
+
+ @Override
+ public void created(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("created(" + session + ") " + (Files.isDirectory(path) ? "directory" : "file") + " " + path
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+ }
+
+ @Override
+ public void moving(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("moving(" + session + ")[" + opts + "]" + srcPath + " => " + dstPath);
+ }
+ }
+
+ @Override
+ public void moved(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts, Throwable thrown)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("moved(" + session + ")[" + opts + "]" + srcPath + " => " + dstPath
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+ }
+
+ @Override
+ public void removing(ServerSession session, Path path)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("removing(" + session + ") " + path);
+ }
+ }
+
+ @Override
+ public void removed(ServerSession session, Path path, Throwable thrown)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("removed(" + session + ") " + path
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+ }
+
+ @Override
+ public void linking(ServerSession session, Path source, Path target, boolean symLink)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("linking(" + session + ")[" + symLink + "]" + source + " => " + target);
+ }
+ }
+
+ @Override
+ public void linked(ServerSession session, Path source, Path target, boolean symLink, Throwable thrown)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("linked(" + session + ")[" + symLink + "]" + source + " => " + target
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+ }
+
+ @Override
+ public void modifyingAttributes(ServerSession session, Path path, Map<String, ?> attrs)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("modifyingAttributes(" + session + ") " + path + ": " + attrs);
+ }
+ }
+
+ @Override
+ public void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown)
+ throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("modifiedAttributes(" + session + ") " + path
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerManager.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerManager.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerManager.java
new file mode 100644
index 0000000..11508b3
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerManager.java
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.util.Collection;
+import java.util.concurrent.CopyOnWriteArraySet;
+
+import org.apache.sshd.common.util.EventListenerUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractSftpEventListenerManager implements SftpEventListenerManager {
+ private final Collection<SftpEventListener> sftpEventListeners = new CopyOnWriteArraySet<>();
+ private final SftpEventListener sftpEventListenerProxy;
+
+ protected AbstractSftpEventListenerManager() {
+ sftpEventListenerProxy = EventListenerUtils.proxyWrapper(SftpEventListener.class, getClass().getClassLoader(), sftpEventListeners);
+ }
+
+ public Collection<SftpEventListener> getRegisteredListeners() {
+ return sftpEventListeners;
+ }
+
+ @Override
+ public SftpEventListener getSftpEventListenerProxy() {
+ return sftpEventListenerProxy;
+ }
+
+ @Override
+ public boolean addSftpEventListener(SftpEventListener listener) {
+ return sftpEventListeners.add(SftpEventListener.validateListener(listener));
+ }
+
+ @Override
+ public boolean removeSftpEventListener(SftpEventListener listener) {
+ if (listener == null) {
+ return false;
+ }
+
+ return sftpEventListeners.remove(SftpEventListener.validateListener(listener));
+ }
+}
[12/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractSftpClientExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractSftpClientExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractSftpClientExtension.java
new file mode 100644
index 0000000..6b179c9
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractSftpClientExtension.java
@@ -0,0 +1,206 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.io.StreamCorruptedException;
+import java.util.Collection;
+import java.util.Map;
+import java.util.Objects;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
+import org.apache.sshd.common.SshException;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
+import org.apache.sshd.common.util.logging.AbstractLoggingBean;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractSftpClientExtension extends AbstractLoggingBean implements SftpClientExtension, RawSftpClient {
+ private final String name;
+ private final SftpClient client;
+ private final RawSftpClient raw;
+ private final boolean supported;
+
+ protected AbstractSftpClientExtension(String name, SftpClient client, RawSftpClient raw, Collection<String> extras) {
+ this(name, client, raw, GenericUtils.isNotEmpty(extras) && extras.contains(name));
+ }
+
+ protected AbstractSftpClientExtension(String name, SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
+ this(name, client, raw, GenericUtils.isNotEmpty(extensions) && extensions.containsKey(name));
+ }
+
+ protected AbstractSftpClientExtension(String name, SftpClient client, RawSftpClient raw, boolean supported) {
+ this.name = ValidateUtils.checkNotNullAndNotEmpty(name, "No extension name");
+ this.client = Objects.requireNonNull(client, "No client instance");
+ this.raw = Objects.requireNonNull(raw, "No raw access");
+ this.supported = supported;
+ }
+
+ @Override
+ public final String getName() {
+ return name;
+ }
+
+ @Override
+ public final SftpClient getClient() {
+ return client;
+ }
+
+ protected void sendAndCheckExtendedCommandStatus(Buffer buffer) throws IOException {
+ int reqId = sendExtendedCommand(buffer);
+ if (log.isDebugEnabled()) {
+ log.debug("sendAndCheckExtendedCommandStatus(" + getName() + ") id=" + reqId);
+ }
+ checkStatus(receive(reqId));
+ }
+
+ protected int sendExtendedCommand(Buffer buffer) throws IOException {
+ return send(SftpConstants.SSH_FXP_EXTENDED, buffer);
+ }
+
+ @Override
+ public int send(int cmd, Buffer buffer) throws IOException {
+ return raw.send(cmd, buffer);
+ }
+
+ @Override
+ public Buffer receive(int id) throws IOException {
+ return raw.receive(id);
+ }
+
+ @Override
+ public final boolean isSupported() {
+ return supported;
+ }
+
+ protected void checkStatus(Buffer buffer) throws IOException {
+ if (checkExtendedReplyBuffer(buffer) != null) {
+ throw new StreamCorruptedException("Unexpected extended reply received");
+ }
+ }
+
+ /**
+ * @param buffer The {@link Buffer}
+ * @param target A target path {@link String} or {@link Handle} or {@code byte[]}
+ * to be encoded in the buffer
+ * @return The updated buffer
+ * @throws UnsupportedOperationException If target is not one of the above
+ * supported types
+ */
+ public Buffer putTarget(Buffer buffer, Object target) {
+ if (target instanceof CharSequence) {
+ buffer.putString(target.toString());
+ } else if (target instanceof byte[]) {
+ buffer.putBytes((byte[]) target);
+ } else if (target instanceof Handle) {
+ buffer.putBytes(((Handle) target).getIdentifier());
+ } else {
+ throw new UnsupportedOperationException("Unknown target type: " + target);
+ }
+
+ return buffer;
+ }
+
+ /**
+ * @param target A target path {@link String} or {@link Handle} or {@code byte[]}
+ * to be encoded in the buffer
+ * @return A {@link Buffer} with the extension name set
+ * @see #getCommandBuffer(Object, int)
+ */
+ protected Buffer getCommandBuffer(Object target) {
+ return getCommandBuffer(target, 0);
+ }
+
+ /**
+ * @param target A target path {@link String} or {@link Handle} or {@code byte[]}
+ * to be encoded in the buffer
+ * @param extraSize Extra size - beyond the path/handle to be allocated
+ * @return A {@link Buffer} with the extension name set
+ * @see #getCommandBuffer(int)
+ */
+ protected Buffer getCommandBuffer(Object target, int extraSize) {
+ if (target instanceof CharSequence) {
+ return getCommandBuffer(Integer.BYTES + ((CharSequence) target).length() + extraSize);
+ } else if (target instanceof byte[]) {
+ return getCommandBuffer(Integer.BYTES + ((byte[]) target).length + extraSize);
+ } else if (target instanceof Handle) {
+ return getCommandBuffer(Integer.BYTES + ((Handle) target).length() + extraSize);
+ } else {
+ return getCommandBuffer(extraSize);
+ }
+ }
+
+ /**
+ * @param extraSize Extra size - besides the extension name
+ * @return A {@link Buffer} with the extension name set
+ */
+ protected Buffer getCommandBuffer(int extraSize) {
+ String opcode = getName();
+ Buffer buffer = new ByteArrayBuffer(Integer.BYTES + GenericUtils.length(opcode) + extraSize + Byte.SIZE, false);
+ buffer.putString(opcode);
+ return buffer;
+ }
+
+ /**
+ * @param buffer The {@link Buffer} to check
+ * @return The {@link Buffer} if this is an {@link SftpConstants#SSH_FXP_EXTENDED_REPLY},
+ * or {@code null} if this is a {@link SftpConstants#SSH_FXP_STATUS} carrying
+ * an {@link SftpConstants#SSH_FX_OK} result
+ * @throws IOException If a non-{@link SftpConstants#SSH_FX_OK} result or
+ * not a {@link SftpConstants#SSH_FXP_EXTENDED_REPLY} buffer
+ */
+ protected Buffer checkExtendedReplyBuffer(Buffer buffer) throws IOException {
+ int length = buffer.getInt();
+ int type = buffer.getUByte();
+ int id = buffer.getInt();
+ if (type == SftpConstants.SSH_FXP_STATUS) {
+ int substatus = buffer.getInt();
+ String msg = buffer.getString();
+ String lang = buffer.getString();
+ if (log.isDebugEnabled()) {
+ log.debug("checkExtendedReplyBuffer({}}[id={}] - status: {} [{}] {}",
+ getName(), id, substatus, lang, msg);
+ }
+
+ if (substatus != SftpConstants.SSH_FX_OK) {
+ throwStatusException(id, substatus, msg, lang);
+ }
+
+ return null;
+ } else if (type == SftpConstants.SSH_FXP_EXTENDED_REPLY) {
+ return buffer;
+ } else {
+ throw new SshException("Unexpected SFTP packet received: type=" + type + ", id=" + id + ", length=" + length);
+ }
+ }
+
+ protected void throwStatusException(int id, int substatus, String msg, String lang) throws IOException {
+ throw new SftpException(substatus, msg);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileHandleExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileHandleExtensionImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileHandleExtensionImpl.java
new file mode 100644
index 0000000..1a464c3
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileHandleExtensionImpl.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.util.AbstractMap.SimpleImmutableEntry;
+import java.util.Collection;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+import org.apache.sshd.client.subsystem.sftp.extensions.CheckFileHandleExtension;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+
+/**
+ * Implements "check-file-handle" extension
+ *
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.2</A>
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class CheckFileHandleExtensionImpl extends AbstractCheckFileExtension implements CheckFileHandleExtension {
+ public CheckFileHandleExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extras) {
+ super(SftpConstants.EXT_CHECK_FILE_HANDLE, client, raw, extras);
+ }
+
+ @Override
+ public SimpleImmutableEntry<String, Collection<byte[]>> checkFileHandle(
+ Handle handle, Collection<String> algorithms, long startOffset, long length, int blockSize)
+ throws IOException {
+ return doGetHash(handle.getIdentifier(), algorithms, startOffset, length, blockSize);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileNameExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileNameExtensionImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileNameExtensionImpl.java
new file mode 100644
index 0000000..1b615c8
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileNameExtensionImpl.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.util.AbstractMap.SimpleImmutableEntry;
+import java.util.Collection;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.CheckFileNameExtension;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+
+/**
+ * Implements "check-file-name" extension
+ *
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.2</A>
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class CheckFileNameExtensionImpl extends AbstractCheckFileExtension implements CheckFileNameExtension {
+ public CheckFileNameExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extras) {
+ super(SftpConstants.EXT_CHECK_FILE_NAME, client, raw, extras);
+ }
+
+ @Override
+ public SimpleImmutableEntry<String, Collection<byte[]>> checkFileName(
+ String name, Collection<String> algorithms, long startOffset, long length, int blockSize)
+ throws IOException {
+ return doGetHash(name, algorithms, startOffset, length, blockSize);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImpl.java
new file mode 100644
index 0000000..85623b8
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImpl.java
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.util.Collection;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+import org.apache.sshd.client.subsystem.sftp.extensions.CopyDataExtension;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.util.NumberUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+
+/**
+ * Implements the "copy-data" extension
+ *
+ * @see <A HREF="http://tools.ietf.org/id/draft-ietf-secsh-filexfer-extensions-00.txt">DRFAT 00 - section 7</A>
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class CopyDataExtensionImpl extends AbstractSftpClientExtension implements CopyDataExtension {
+ public CopyDataExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
+ super(SftpConstants.EXT_COPY_DATA, client, raw, extra);
+ }
+
+ @Override
+ public void copyData(Handle readHandle, long readOffset, long readLength, Handle writeHandle, long writeOffset) throws IOException {
+ byte[] srcId = readHandle.getIdentifier();
+ byte[] dstId = writeHandle.getIdentifier();
+ Buffer buffer = getCommandBuffer(Integer.BYTES + NumberUtils.length(srcId)
+ + Integer.BYTES + NumberUtils.length(dstId)
+ + (3 * (Long.SIZE + Integer.BYTES)));
+ buffer.putBytes(srcId);
+ buffer.putLong(readOffset);
+ buffer.putLong(readLength);
+ buffer.putBytes(dstId);
+ buffer.putLong(writeOffset);
+ sendAndCheckExtendedCommandStatus(buffer);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImpl.java
new file mode 100644
index 0000000..63f79e5
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImpl.java
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.util.Collection;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.CopyFileExtension;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+
+/**
+ * Implements the "copy-file" extension
+ *
+ * @see <A HREF="http://tools.ietf.org/id/draft-ietf-secsh-filexfer-extensions-00.txt">DRFAT 00 - section 6</A>
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class CopyFileExtensionImpl extends AbstractSftpClientExtension implements CopyFileExtension {
+ public CopyFileExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
+ super(SftpConstants.EXT_COPY_FILE, client, raw, extra);
+ }
+
+ @Override
+ public void copyFile(String src, String dst, boolean overwriteDestination) throws IOException {
+ Buffer buffer = getCommandBuffer(Integer.BYTES + GenericUtils.length(src)
+ + Integer.BYTES + GenericUtils.length(dst)
+ + 1 /* override destination */);
+ buffer.putString(src);
+ buffer.putString(dst);
+ buffer.putBoolean(overwriteDestination);
+ sendAndCheckExtendedCommandStatus(buffer);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5FileExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5FileExtensionImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5FileExtensionImpl.java
new file mode 100644
index 0000000..bc6149e
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5FileExtensionImpl.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.util.Collection;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.MD5FileExtension;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+
+/**
+ * Implements "md5-hash" extension
+ *
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.1</A>
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class MD5FileExtensionImpl extends AbstractMD5HashExtension implements MD5FileExtension {
+ public MD5FileExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
+ super(SftpConstants.EXT_MD5_HASH, client, raw, extra);
+ }
+
+ @Override
+ public byte[] getHash(String path, long offset, long length, byte[] quickHash) throws IOException {
+ return doGetHash(path, offset, length, quickHash);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5HandleExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5HandleExtensionImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5HandleExtensionImpl.java
new file mode 100644
index 0000000..d71edd6
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5HandleExtensionImpl.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.util.Collection;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.MD5HandleExtension;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+
+/**
+ * Implements "md5-hash-handle" extension
+ *
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.1</A>
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class MD5HandleExtensionImpl extends AbstractMD5HashExtension implements MD5HandleExtension {
+ public MD5HandleExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
+ super(SftpConstants.EXT_MD5_HASH_HANDLE, client, raw, extra);
+ }
+
+ @Override
+ public byte[] getHash(SftpClient.Handle handle, long offset, long length, byte[] quickHash) throws IOException {
+ return doGetHash(handle.getIdentifier(), offset, length, quickHash);
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImpl.java
new file mode 100644
index 0000000..6fc0745
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImpl.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.io.StreamCorruptedException;
+import java.util.Collection;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.SpaceAvailableExtension;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.SpaceAvailableExtensionInfo;
+import org.apache.sshd.common.util.buffer.Buffer;
+
+/**
+ * Implements "space-available" extension
+ *
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.3</A>
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SpaceAvailableExtensionImpl extends AbstractSftpClientExtension implements SpaceAvailableExtension {
+ public SpaceAvailableExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
+ super(SftpConstants.EXT_SPACE_AVAILABLE, client, raw, extra);
+ }
+
+ @Override
+ public SpaceAvailableExtensionInfo available(String path) throws IOException {
+ Buffer buffer = getCommandBuffer(path);
+ buffer.putString(path);
+ buffer = checkExtendedReplyBuffer(receive(sendExtendedCommand(buffer)));
+
+ if (buffer == null) {
+ throw new StreamCorruptedException("Missing extended reply data");
+ }
+
+ return new SpaceAvailableExtensionInfo(buffer);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHFsyncExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHFsyncExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHFsyncExtension.java
new file mode 100644
index 0000000..bfdbc0e
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHFsyncExtension.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.openssh;
+
+import java.io.IOException;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
+
+/**
+ * Implements the "fsync@openssh.com" extension
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 10</A>
+ */
+public interface OpenSSHFsyncExtension extends SftpClientExtension {
+ void fsync(Handle fileHandle) throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatExtensionInfo.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatExtensionInfo.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatExtensionInfo.java
new file mode 100644
index 0000000..a9cd944
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatExtensionInfo.java
@@ -0,0 +1,150 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.openssh;
+
+import org.apache.sshd.common.util.NumberUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+
+/**
+ * Response for the "statvfs@openssh.com" and "fstatvfs@openssh.com"
+ * extension commands.
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/usr.bin/ssh/PROTOCOL?rev=1.28&content-type=text/plain">OpenSSH section 3.4</A>
+ */
+public class OpenSSHStatExtensionInfo implements Cloneable {
+ // The values of the f_flag bitmask
+ public static final long SSH_FXE_STATVFS_ST_RDONLY = 0x1; /* read-only */
+ public static final long SSH_FXE_STATVFS_ST_NOSUID = 0x2; /* no setuid */
+
+ // CHECKSTYLE:OFF
+ public long f_bsize; /* file system block size */
+ public long f_frsize; /* fundamental fs block size */
+ public long f_blocks; /* number of blocks (unit f_frsize) */
+ public long f_bfree; /* free blocks in file system */
+ public long f_bavail; /* free blocks for non-root */
+ public long f_files; /* total file inodes */
+ public long f_ffree; /* free file inodes */
+ public long f_favail; /* free file inodes for to non-root */
+ public long f_fsid; /* file system id */
+ public long f_flag; /* bit mask of f_flag values */
+ public long f_namemax; /* maximum filename length */
+ // CHECKSTYLE:ON
+
+ public OpenSSHStatExtensionInfo() {
+ super();
+ }
+
+ public OpenSSHStatExtensionInfo(Buffer buffer) {
+ decode(buffer, this);
+ }
+
+ @Override
+ public int hashCode() {
+ return NumberUtils.hashCode(this.f_bsize, this.f_frsize, this.f_blocks,
+ this.f_bfree, this.f_bavail, this.f_files, this.f_ffree,
+ this.f_favail, this.f_fsid, this.f_flag, this.f_namemax);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ if (this == obj) {
+ return true;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+
+ OpenSSHStatExtensionInfo other = (OpenSSHStatExtensionInfo) obj;
+ // debug breakpoint
+ return this.f_bsize == other.f_bsize
+ && this.f_frsize == other.f_frsize
+ && this.f_blocks == other.f_blocks
+ && this.f_bfree == other.f_bfree
+ && this.f_bavail == other.f_bavail
+ && this.f_files == other.f_files
+ && this.f_ffree == other.f_ffree
+ && this.f_favail == other.f_favail
+ && this.f_fsid == other.f_fsid
+ && this.f_flag == other.f_flag
+ && this.f_namemax == other.f_namemax;
+ }
+
+ @Override
+ public OpenSSHStatExtensionInfo clone() {
+ try {
+ return getClass().cast(super.clone());
+ } catch (CloneNotSupportedException e) {
+ throw new RuntimeException("Failed to close " + toString() + ": " + e.getMessage());
+ }
+ }
+
+ @Override
+ public String toString() {
+ return "f_bsize=" + f_bsize
+ + ",f_frsize=" + f_frsize
+ + ",f_blocks=" + f_blocks
+ + ",f_bfree=" + f_bfree
+ + ",f_bavail=" + f_bavail
+ + ",f_files=" + f_files
+ + ",f_ffree=" + f_ffree
+ + ",f_favail=" + f_favail
+ + ",f_fsid=" + f_fsid
+ + ",f_flag=0x" + Long.toHexString(f_flag)
+ + ",f_namemax=" + f_namemax;
+ }
+
+ public static void encode(Buffer buffer, OpenSSHStatExtensionInfo info) {
+ buffer.putLong(info.f_bsize);
+ buffer.putLong(info.f_frsize);
+ buffer.putLong(info.f_blocks);
+ buffer.putLong(info.f_bfree);
+ buffer.putLong(info.f_bavail);
+ buffer.putLong(info.f_files);
+ buffer.putLong(info.f_ffree);
+ buffer.putLong(info.f_favail);
+ buffer.putLong(info.f_fsid);
+ buffer.putLong(info.f_flag);
+ buffer.putLong(info.f_namemax);
+ }
+
+ public static OpenSSHStatExtensionInfo decode(Buffer buffer) {
+ OpenSSHStatExtensionInfo info = new OpenSSHStatExtensionInfo();
+ decode(buffer, info);
+ return info;
+ }
+
+ public static void decode(Buffer buffer, OpenSSHStatExtensionInfo info) {
+ info.f_bsize = buffer.getLong();
+ info.f_frsize = buffer.getLong();
+ info.f_blocks = buffer.getLong();
+ info.f_bfree = buffer.getLong();
+ info.f_bavail = buffer.getLong();
+ info.f_files = buffer.getLong();
+ info.f_ffree = buffer.getLong();
+ info.f_favail = buffer.getLong();
+ info.f_fsid = buffer.getLong();
+ info.f_flag = buffer.getLong();
+ info.f_namemax = buffer.getLong();
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatHandleExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatHandleExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatHandleExtension.java
new file mode 100644
index 0000000..7fa76a6
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatHandleExtension.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.openssh;
+
+import java.io.IOException;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
+
+/**
+ * Implements the "fstatvfs@openssh.com" extension command
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface OpenSSHStatHandleExtension extends SftpClientExtension {
+ OpenSSHStatExtensionInfo stat(Handle handle) throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatPathExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatPathExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatPathExtension.java
new file mode 100644
index 0000000..9d9853d
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatPathExtension.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.openssh;
+
+import java.io.IOException;
+
+import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
+
+/**
+ * Implements the "statvfs@openssh.com" extension command
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/usr.bin/ssh/PROTOCOL?rev=1.28&content-type=text/plain">OpenSSH section 3.4</A>
+ */
+public interface OpenSSHStatPathExtension extends SftpClientExtension {
+ OpenSSHStatExtensionInfo stat(String path) throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/AbstractOpenSSHStatCommandExtension.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/AbstractOpenSSHStatCommandExtension.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/AbstractOpenSSHStatCommandExtension.java
new file mode 100644
index 0000000..70550ee
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/AbstractOpenSSHStatCommandExtension.java
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers;
+
+import java.io.IOException;
+import java.io.StreamCorruptedException;
+import java.util.Map;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.helpers.AbstractSftpClientExtension;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractOpenSSHStatCommandExtension extends AbstractSftpClientExtension {
+ protected AbstractOpenSSHStatCommandExtension(String name, SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
+ super(name, client, raw, extensions);
+ }
+
+ protected OpenSSHStatExtensionInfo doGetStat(Object target) throws IOException {
+ Buffer buffer = getCommandBuffer(target);
+ putTarget(buffer, target);
+
+ if (log.isDebugEnabled()) {
+ log.debug("doGetStat({})[{}]", getName(),
+ (target instanceof CharSequence) ? target : BufferUtils.toHex(BufferUtils.EMPTY_HEX_SEPARATOR, (byte[]) target));
+ }
+
+ buffer = checkExtendedReplyBuffer(receive(sendExtendedCommand(buffer)));
+ if (buffer == null) {
+ throw new StreamCorruptedException("Missing extended reply data");
+ }
+
+ return new OpenSSHStatExtensionInfo(buffer);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHFsyncExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHFsyncExtensionImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHFsyncExtensionImpl.java
new file mode 100644
index 0000000..e83ea11
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHFsyncExtensionImpl.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers;
+
+import java.io.IOException;
+import java.util.Map;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+import org.apache.sshd.client.subsystem.sftp.extensions.helpers.AbstractSftpClientExtension;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHFsyncExtension;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FsyncExtensionParser;
+import org.apache.sshd.common.util.NumberUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class OpenSSHFsyncExtensionImpl extends AbstractSftpClientExtension implements OpenSSHFsyncExtension {
+ public OpenSSHFsyncExtensionImpl(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
+ super(FsyncExtensionParser.NAME, client, raw, extensions);
+ }
+
+ @Override
+ public void fsync(Handle fileHandle) throws IOException {
+ byte[] handle = fileHandle.getIdentifier();
+ Buffer buffer = getCommandBuffer(Integer.BYTES + NumberUtils.length(handle));
+ buffer.putBytes(handle);
+ sendAndCheckExtendedCommandStatus(buffer);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatHandleExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatHandleExtensionImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatHandleExtensionImpl.java
new file mode 100644
index 0000000..de5f780
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatHandleExtensionImpl.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers;
+
+import java.io.IOException;
+import java.util.Map;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatHandleExtension;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FstatVfsExtensionParser;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class OpenSSHStatHandleExtensionImpl extends AbstractOpenSSHStatCommandExtension implements OpenSSHStatHandleExtension {
+ public OpenSSHStatHandleExtensionImpl(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
+ super(FstatVfsExtensionParser.NAME, client, raw, extensions);
+ }
+
+ @Override
+ public OpenSSHStatExtensionInfo stat(Handle handle) throws IOException {
+ return doGetStat(handle.getIdentifier());
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatPathExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatPathExtensionImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatPathExtensionImpl.java
new file mode 100644
index 0000000..1cf3956
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatPathExtensionImpl.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers;
+
+import java.io.IOException;
+import java.util.Map;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatPathExtension;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.StatVfsExtensionParser;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class OpenSSHStatPathExtensionImpl extends AbstractOpenSSHStatCommandExtension implements OpenSSHStatPathExtension {
+ public OpenSSHStatPathExtensionImpl(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
+ super(StatVfsExtensionParser.NAME, client, raw, extensions);
+ }
+
+ @Override
+ public OpenSSHStatExtensionInfo stat(String path) throws IOException {
+ return doGetStat(path);
+ }
+}
[25/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpClient.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpClient.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpClient.java
deleted file mode 100644
index 70d0279..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpClient.java
+++ /dev/null
@@ -1,1188 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp.impl;
-
-import java.io.IOException;
-import java.nio.charset.Charset;
-import java.nio.file.attribute.FileTime;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.EnumSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReference;
-
-import org.apache.sshd.client.channel.ClientChannel;
-import org.apache.sshd.client.subsystem.AbstractSubsystemClient;
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.BuiltinSftpClientExtensions;
-import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
-import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtensionFactory;
-import org.apache.sshd.common.SshException;
-import org.apache.sshd.common.channel.Channel;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.subsystem.sftp.SftpHelper;
-import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
-
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractSftpClient extends AbstractSubsystemClient implements SftpClient, RawSftpClient {
- private final Attributes fileOpenAttributes = new Attributes();
- private final AtomicReference<Map<String, Object>> parsedExtensionsHolder = new AtomicReference<>(null);
-
- protected AbstractSftpClient() {
- fileOpenAttributes.setType(SftpConstants.SSH_FILEXFER_TYPE_REGULAR);
- }
-
- @Override
- public Channel getChannel() {
- return getClientChannel();
- }
-
- @Override
- public <E extends SftpClientExtension> E getExtension(Class<? extends E> extensionType) {
- Object instance = getExtension(BuiltinSftpClientExtensions.fromType(extensionType));
- if (instance == null) {
- return null;
- } else {
- return extensionType.cast(instance);
- }
- }
-
- @Override
- public SftpClientExtension getExtension(String extensionName) {
- return getExtension(BuiltinSftpClientExtensions.fromName(extensionName));
- }
-
- protected SftpClientExtension getExtension(SftpClientExtensionFactory factory) {
- if (factory == null) {
- return null;
- }
-
- Map<String, byte[]> extensions = getServerExtensions();
- Map<String, Object> parsed = getParsedServerExtensions(extensions);
- return factory.create(this, this, extensions, parsed);
- }
-
- protected Map<String, Object> getParsedServerExtensions() {
- return getParsedServerExtensions(getServerExtensions());
- }
-
- protected Map<String, Object> getParsedServerExtensions(Map<String, byte[]> extensions) {
- Map<String, Object> parsed = parsedExtensionsHolder.get();
- if (parsed == null) {
- parsed = ParserUtils.parse(extensions);
- if (parsed == null) {
- parsed = Collections.emptyMap();
- }
- parsedExtensionsHolder.set(parsed);
- }
-
- return parsed;
- }
-
- /**
- * @param cmd The command that was sent whose response contains the name to be decoded
- * @param buf The {@link Buffer} containing the encoded name
- * @param nameIndex The zero-based order of the requested names for the command - e.g.,
- * <UL>
- * <LI>
- * When listing a directory's contents each successive name will have an increasing index.
- * </LI>
- *
- * <LI>
- * For SFTP version 3, when retrieving a single name, short name will have index=0
- * and the long one index=1.
- * </LI>
- * </UL>
- * @return The decoded referenced name
- */
- protected String getReferencedName(int cmd, Buffer buf, int nameIndex) {
- Charset cs = getNameDecodingCharset();
- return buf.getString(cs);
- }
-
- /**
- * @param <B> Type of {@link Buffer} being updated
- * @param cmd The command for which this name is being added
- * @param buf The buffer instance to update
- * @param name The name to place in the buffer
- * @param nameIndex The zero-based order of the name for the specific command
- * if more than one name required - e.g., rename, link/symbolic link
- * @return The updated buffer
- */
- protected <B extends Buffer> B putReferencedName(int cmd, B buf, String name, int nameIndex) {
- Charset cs = getNameDecodingCharset();
- buf.putString(name, cs);
- return buf;
- }
-
- /**
- * Sends the specified command, waits for the response and then invokes {@link #checkResponseStatus(int, Buffer)}
- * @param cmd The command to send
- * @param request The request {@link Buffer}
- * @throws IOException If failed to send, receive or check the returned status
- * @see #send(int, Buffer)
- * @see #receive(int)
- * @see #checkResponseStatus(int, Buffer)
- */
- protected void checkCommandStatus(int cmd, Buffer request) throws IOException {
- int reqId = send(cmd, request);
- Buffer response = receive(reqId);
- checkResponseStatus(cmd, response);
- }
-
- /**
- * Checks if the incoming response is an {@code SSH_FXP_STATUS} one,
- * and if so whether the substatus is {@code SSH_FX_OK}.
- *
- * @param cmd The sent command opcode
- * @param buffer The received response {@link Buffer}
- * @throws IOException If response does not carry a status or carries
- * a bad status code
- * @see #checkResponseStatus(int, int, int, String, String)
- */
- protected void checkResponseStatus(int cmd, Buffer buffer) throws IOException {
- int length = buffer.getInt();
- int type = buffer.getUByte();
- int id = buffer.getInt();
- if (type == SftpConstants.SSH_FXP_STATUS) {
- int substatus = buffer.getInt();
- String msg = buffer.getString();
- String lang = buffer.getString();
- checkResponseStatus(cmd, id, substatus, msg, lang);
- } else {
- //noinspection ThrowableResultOfMethodCallIgnored
- handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_STATUS, id, type, length, buffer);
- }
- }
-
- /**
- * @param cmd The sent command opcode
- * @param id The request id
- * @param substatus The sub-status value
- * @param msg The message
- * @param lang The language
- * @throws IOException if the sub-status is not {@code SSH_FX_OK}
- * @see #throwStatusException(int, int, int, String, String)
- */
- protected void checkResponseStatus(int cmd, int id, int substatus, String msg, String lang) throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("checkResponseStatus({})[id={}] cmd={} status={} lang={} msg={}",
- getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
- SftpConstants.getStatusName(substatus), lang, msg);
- }
-
- if (substatus != SftpConstants.SSH_FX_OK) {
- throwStatusException(cmd, id, substatus, msg, lang);
- }
- }
-
- protected void throwStatusException(int cmd, int id, int substatus, String msg, String lang) throws IOException {
- throw new SftpException(substatus, msg);
- }
-
- /**
- * @param cmd Command to be sent
- * @param request The {@link Buffer} containing the request
- * @return The received handle identifier
- * @throws IOException If failed to send/receive or process the response
- * @see #send(int, Buffer)
- * @see #receive(int)
- * @see #checkHandleResponse(int, Buffer)
- */
- protected byte[] checkHandle(int cmd, Buffer request) throws IOException {
- int reqId = send(cmd, request);
- Buffer response = receive(reqId);
- return checkHandleResponse(cmd, response);
- }
-
- protected byte[] checkHandleResponse(int cmd, Buffer buffer) throws IOException {
- int length = buffer.getInt();
- int type = buffer.getUByte();
- int id = buffer.getInt();
- if (type == SftpConstants.SSH_FXP_HANDLE) {
- return ValidateUtils.checkNotNullAndNotEmpty(buffer.getBytes(), "Null/empty handle in buffer", GenericUtils.EMPTY_OBJECT_ARRAY);
- }
-
- if (type == SftpConstants.SSH_FXP_STATUS) {
- int substatus = buffer.getInt();
- String msg = buffer.getString();
- String lang = buffer.getString();
- if (log.isTraceEnabled()) {
- log.trace("checkHandleResponse({})[id={}] {} - status: {} [{}] {}",
- getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
- SftpConstants.getStatusName(substatus), lang, msg);
- }
- throwStatusException(cmd, id, substatus, msg, lang);
- }
-
- return handleUnexpectedHandlePacket(cmd, id, type, length, buffer);
- }
-
- protected byte[] handleUnexpectedHandlePacket(int cmd, int id, int type, int length, Buffer buffer) throws IOException {
- handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_HANDLE, id, type, length, buffer);
- throw new SshException("No handling for unexpected handle packet id=" + id
- + ", type=" + SftpConstants.getCommandMessageName(type) + ", length=" + length);
- }
-
- /**
- * @param cmd Command to be sent
- * @param request Request {@link Buffer}
- * @return The decoded response {@code Attributes}
- * @throws IOException If failed to send/receive or process the response
- * @see #send(int, Buffer)
- * @see #receive(int)
- * @see #checkAttributesResponse(int, Buffer)
- */
- protected Attributes checkAttributes(int cmd, Buffer request) throws IOException {
- int reqId = send(cmd, request);
- Buffer response = receive(reqId);
- return checkAttributesResponse(cmd, response);
- }
-
- protected Attributes checkAttributesResponse(int cmd, Buffer buffer) throws IOException {
- int length = buffer.getInt();
- int type = buffer.getUByte();
- int id = buffer.getInt();
- if (type == SftpConstants.SSH_FXP_ATTRS) {
- return readAttributes(cmd, buffer, new AtomicInteger(0));
- }
-
- if (type == SftpConstants.SSH_FXP_STATUS) {
- int substatus = buffer.getInt();
- String msg = buffer.getString();
- String lang = buffer.getString();
- if (log.isTraceEnabled()) {
- log.trace("checkAttributesResponse()[id={}] {} - status: {} [{}] {}",
- getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
- SftpConstants.getStatusName(substatus), lang, msg);
- }
- throwStatusException(cmd, id, substatus, msg, lang);
- }
-
- return handleUnexpectedAttributesPacket(cmd, id, type, length, buffer);
- }
-
- protected Attributes handleUnexpectedAttributesPacket(int cmd, int id, int type, int length, Buffer buffer) throws IOException {
- IOException err = handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_ATTRS, id, type, length, buffer);
- if (err != null) {
- throw err;
- }
-
- return null;
- }
-
- /**
- * @param cmd Command to be sent
- * @param request The request {@link Buffer}
- * @return The retrieved name
- * @throws IOException If failed to send/receive or process the response
- * @see #send(int, Buffer)
- * @see #receive(int)
- * @see #checkOneNameResponse(int, Buffer)
- */
- protected String checkOneName(int cmd, Buffer request) throws IOException {
- int reqId = send(cmd, request);
- Buffer response = receive(reqId);
- return checkOneNameResponse(cmd, response);
- }
-
- protected String checkOneNameResponse(int cmd, Buffer buffer) throws IOException {
- int length = buffer.getInt();
- int type = buffer.getUByte();
- int id = buffer.getInt();
- if (type == SftpConstants.SSH_FXP_NAME) {
- int len = buffer.getInt();
- if (len != 1) {
- throw new SshException("SFTP error: received " + len + " names instead of 1");
- }
-
- AtomicInteger nameIndex = new AtomicInteger(0);
- String name = getReferencedName(cmd, buffer, nameIndex.getAndIncrement());
-
- String longName = null;
- int version = getVersion();
- if (version == SftpConstants.SFTP_V3) {
- longName = getReferencedName(cmd, buffer, nameIndex.getAndIncrement());
- }
-
- Attributes attrs = readAttributes(cmd, buffer, nameIndex);
- Boolean indicator = SftpHelper.getEndOfListIndicatorValue(buffer, version);
- // TODO decide what to do if not-null and not TRUE
- if (log.isTraceEnabled()) {
- log.trace("checkOneNameResponse({})[id={}] {} ({})[{}] eol={}: {}",
- getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
- name, longName, indicator, attrs);
- }
- return name;
- }
-
- if (type == SftpConstants.SSH_FXP_STATUS) {
- int substatus = buffer.getInt();
- String msg = buffer.getString();
- String lang = buffer.getString();
- if (log.isTraceEnabled()) {
- log.trace("checkOneNameResponse({})[id={}] {} status: {} [{}] {}",
- getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
- SftpConstants.getStatusName(substatus), lang, msg);
- }
-
- throwStatusException(cmd, id, substatus, msg, lang);
- }
-
- return handleUnknownOneNamePacket(cmd, id, type, length, buffer);
- }
-
- protected String handleUnknownOneNamePacket(int cmd, int id, int type, int length, Buffer buffer) throws IOException {
- IOException err = handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_NAME, id, type, length, buffer);
- if (err != null) {
- throw err;
- }
-
- return null;
- }
-
- protected Attributes readAttributes(int cmd, Buffer buffer, AtomicInteger nameIndex) throws IOException {
- Attributes attrs = new Attributes();
- int flags = buffer.getInt();
- int version = getVersion();
- if (version == SftpConstants.SFTP_V3) {
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
- attrs.setSize(buffer.getLong());
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_UIDGID) != 0) {
- attrs.owner(buffer.getInt(), buffer.getInt());
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
- int perms = buffer.getInt();
- attrs.setPermissions(perms);
- attrs.setType(SftpHelper.permissionsToFileType(perms));
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME) != 0) {
- attrs.setAccessTime(SftpHelper.readTime(buffer, version, flags));
- attrs.setModifyTime(SftpHelper.readTime(buffer, version, flags));
- }
- } else if (version >= SftpConstants.SFTP_V4) {
- attrs.setType(buffer.getUByte());
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
- attrs.setSize(buffer.getLong());
- }
-
- if ((version >= SftpConstants.SFTP_V6) && ((flags & SftpConstants.SSH_FILEXFER_ATTR_ALLOCATION_SIZE) != 0)) {
- @SuppressWarnings("unused")
- long allocSize = buffer.getLong(); // TODO handle allocation size
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP) != 0) {
- attrs.setOwner(buffer.getString());
- attrs.setGroup(buffer.getString());
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
- attrs.setPermissions(buffer.getInt());
- }
-
- // update the permissions according to the type
- int perms = attrs.getPermissions();
- perms |= SftpHelper.fileTypeToPermission(attrs.getType());
- attrs.setPermissions(perms);
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME) != 0) {
- attrs.setAccessTime(SftpHelper.readTime(buffer, version, flags));
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_CREATETIME) != 0) {
- attrs.setCreateTime(SftpHelper.readTime(buffer, version, flags));
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME) != 0) {
- attrs.setModifyTime(SftpHelper.readTime(buffer, version, flags));
- }
- if ((version >= SftpConstants.SFTP_V6) && (flags & SftpConstants.SSH_FILEXFER_ATTR_CTIME) != 0) {
- @SuppressWarnings("unused")
- FileTime attrsChangedTime = SftpHelper.readTime(buffer, version, flags); // TODO the last time the file attributes were changed
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACL) != 0) {
- attrs.setAcl(SftpHelper.readACLs(buffer, version));
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_BITS) != 0) {
- @SuppressWarnings("unused")
- int bits = buffer.getInt();
- @SuppressWarnings("unused")
- int valid = 0xffffffff;
- if (version >= SftpConstants.SFTP_V6) {
- valid = buffer.getInt();
- }
- // TODO: handle attrib bits
- }
-
- if (version >= SftpConstants.SFTP_V6) {
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_TEXT_HINT) != 0) {
- @SuppressWarnings("unused")
- boolean text = buffer.getBoolean(); // TODO: handle text
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MIME_TYPE) != 0) {
- @SuppressWarnings("unused")
- String mimeType = buffer.getString(); // TODO: handle mime-type
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_LINK_COUNT) != 0) {
- @SuppressWarnings("unused")
- int nlink = buffer.getInt(); // TODO: handle link-count
- }
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_UNTRANSLATED_NAME) != 0) {
- @SuppressWarnings("unused")
- String untranslated = getReferencedName(cmd, buffer, nameIndex.getAndIncrement()); // TODO: handle untranslated-name
- }
- }
- } else {
- throw new IllegalStateException("readAttributes - unsupported version: " + version);
- }
-
- if ((flags & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
- attrs.setExtensions(SftpHelper.readExtensions(buffer));
- }
-
- return attrs;
- }
-
- protected <B extends Buffer> B writeAttributes(int cmd, B buffer, Attributes attributes) throws IOException {
- int version = getVersion();
- int flagsMask = 0;
- Collection<Attribute> flags = Objects.requireNonNull(attributes, "No attributes").getFlags();
- if (version == SftpConstants.SFTP_V3) {
- for (Attribute a : flags) {
- switch (a) {
- case Size:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_SIZE;
- break;
- case UidGid:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_UIDGID;
- break;
- case Perms:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS;
- break;
- case AccessTime:
- if (flags.contains(Attribute.ModifyTime)) {
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME;
- }
- break;
- case ModifyTime:
- if (flags.contains(Attribute.AccessTime)) {
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME;
- }
- break;
- case Extensions:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_EXTENDED;
- break;
- default: // do nothing
- }
- }
- buffer.putInt(flagsMask);
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
- buffer.putLong(attributes.getSize());
- }
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_UIDGID) != 0) {
- buffer.putInt(attributes.getUserId());
- buffer.putInt(attributes.getGroupId());
- }
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
- buffer.putInt(attributes.getPermissions());
- }
-
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME) != 0) {
- buffer = SftpHelper.writeTime(buffer, version, flagsMask, attributes.getAccessTime());
- buffer = SftpHelper.writeTime(buffer, version, flagsMask, attributes.getModifyTime());
- }
- } else if (version >= SftpConstants.SFTP_V4) {
- for (Attribute a : flags) {
- switch (a) {
- case Size:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_SIZE;
- break;
- case OwnerGroup: {
- /*
- * According to https://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-13.txt
- * section 7.5
- *
- * If either the owner or group field is zero length, the field
- * should be considered absent, and no change should be made to
- * that specific field during a modification operation.
- */
- String owner = attributes.getOwner();
- String group = attributes.getGroup();
- if (GenericUtils.isNotEmpty(owner) && GenericUtils.isNotEmpty(group)) {
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP;
- }
- break;
- }
- case Perms:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS;
- break;
- case AccessTime:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME;
- break;
- case ModifyTime:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME;
- break;
- case CreateTime:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_CREATETIME;
- break;
- case Acl:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_ACL;
- break;
- case Extensions:
- flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_EXTENDED;
- break;
- default: // do nothing
- }
- }
- buffer.putInt(flagsMask);
- buffer.putByte((byte) attributes.getType());
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
- buffer.putLong(attributes.getSize());
- }
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP) != 0) {
- String owner = attributes.getOwner();
- buffer.putString(owner);
-
- String group = attributes.getGroup();
- buffer.putString(group);
- }
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
- buffer.putInt(attributes.getPermissions());
- }
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME) != 0) {
- buffer = SftpHelper.writeTime(buffer, version, flagsMask, attributes.getAccessTime());
- }
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_CREATETIME) != 0) {
- buffer = SftpHelper.writeTime(buffer, version, flagsMask, attributes.getCreateTime());
- }
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME) != 0) {
- buffer = SftpHelper.writeTime(buffer, version, flagsMask, attributes.getModifyTime());
- }
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_ACL) != 0) {
- buffer = SftpHelper.writeACLs(buffer, version, attributes.getAcl());
- }
-
- // TODO: for v5 ? 6? add CTIME (see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-16 - v6)
- } else {
- throw new UnsupportedOperationException("writeAttributes(" + attributes + ") unsupported version: " + version);
- }
-
- if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
- buffer = SftpHelper.writeExtensions(buffer, attributes.getExtensions());
- }
-
- return buffer;
- }
-
- @Override
- public CloseableHandle open(String path, Collection<OpenMode> options) throws IOException {
- if (!isOpen()) {
- throw new IOException("open(" + path + ")[" + options + "] client is closed");
- }
-
- /*
- * Be consistent with FileChannel#open - if no mode specified then READ is assumed
- */
- if (GenericUtils.isEmpty(options)) {
- options = EnumSet.of(OpenMode.Read);
- }
-
- Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
- buffer = putReferencedName(SftpConstants.SSH_FXP_OPEN, buffer, path, 0);
-
- int version = getVersion();
- int mode = 0;
- if (version < SftpConstants.SFTP_V5) {
- for (OpenMode m : options) {
- switch (m) {
- case Read:
- mode |= SftpConstants.SSH_FXF_READ;
- break;
- case Write:
- mode |= SftpConstants.SSH_FXF_WRITE;
- break;
- case Append:
- mode |= SftpConstants.SSH_FXF_APPEND;
- break;
- case Create:
- mode |= SftpConstants.SSH_FXF_CREAT;
- break;
- case Truncate:
- mode |= SftpConstants.SSH_FXF_TRUNC;
- break;
- case Exclusive:
- mode |= SftpConstants.SSH_FXF_EXCL;
- break;
- default: // do nothing
- }
- }
- } else {
- int access = 0;
- if (options.contains(OpenMode.Read)) {
- access |= SftpConstants.ACE4_READ_DATA | SftpConstants.ACE4_READ_ATTRIBUTES;
- }
- if (options.contains(OpenMode.Write)) {
- access |= SftpConstants.ACE4_WRITE_DATA | SftpConstants.ACE4_WRITE_ATTRIBUTES;
- }
- if (options.contains(OpenMode.Append)) {
- access |= SftpConstants.ACE4_APPEND_DATA;
- }
- buffer.putInt(access);
-
- if (options.contains(OpenMode.Create) && options.contains(OpenMode.Exclusive)) {
- mode |= SftpConstants.SSH_FXF_CREATE_NEW;
- } else if (options.contains(OpenMode.Create) && options.contains(OpenMode.Truncate)) {
- mode |= SftpConstants.SSH_FXF_CREATE_TRUNCATE;
- } else if (options.contains(OpenMode.Create)) {
- mode |= SftpConstants.SSH_FXF_OPEN_OR_CREATE;
- } else if (options.contains(OpenMode.Truncate)) {
- mode |= SftpConstants.SSH_FXF_TRUNCATE_EXISTING;
- } else {
- mode |= SftpConstants.SSH_FXF_OPEN_EXISTING;
- }
- }
- buffer.putInt(mode);
- buffer = writeAttributes(SftpConstants.SSH_FXP_OPEN, buffer, fileOpenAttributes);
-
- CloseableHandle handle = new DefaultCloseableHandle(this, path, checkHandle(SftpConstants.SSH_FXP_OPEN, buffer));
- if (log.isTraceEnabled()) {
- log.trace("open({})[{}] options={}: {}", getClientSession(), path, options, handle);
- }
- return handle;
- }
-
- @Override
- public void close(Handle handle) throws IOException {
- if (!isOpen()) {
- throw new IOException("close(" + handle + ") client is closed");
- }
-
- if (log.isTraceEnabled()) {
- log.trace("close({}) {}", getClientSession(), handle);
- }
-
- byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
- Buffer buffer = new ByteArrayBuffer(id.length + Long.SIZE /* some extra fields */, false);
- buffer.putBytes(id);
- checkCommandStatus(SftpConstants.SSH_FXP_CLOSE, buffer);
- }
-
- @Override
- public void remove(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("remove(" + path + ") client is closed");
- }
-
- if (log.isDebugEnabled()) {
- log.debug("remove({}) {}", getClientSession(), path);
- }
-
- Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
- buffer = putReferencedName(SftpConstants.SSH_FXP_REMOVE, buffer, path, 0);
- checkCommandStatus(SftpConstants.SSH_FXP_REMOVE, buffer);
- }
-
- @Override
- public void rename(String oldPath, String newPath, Collection<CopyMode> options) throws IOException {
- if (!isOpen()) {
- throw new IOException("rename(" + oldPath + " => " + newPath + ")[" + options + "] client is closed");
- }
-
- if (log.isDebugEnabled()) {
- log.debug("rename({}) {} => {}", getClientSession(), oldPath, newPath);
- }
-
- Buffer buffer = new ByteArrayBuffer(oldPath.length() + newPath.length() + Long.SIZE /* some extra fields */, false);
- buffer = putReferencedName(SftpConstants.SSH_FXP_RENAME, buffer, oldPath, 0);
- buffer = putReferencedName(SftpConstants.SSH_FXP_RENAME, buffer, newPath, 1);
-
- int numOptions = GenericUtils.size(options);
- int version = getVersion();
- if (version >= SftpConstants.SFTP_V5) {
- int opts = 0;
- if (numOptions > 0) {
- for (CopyMode opt : options) {
- switch (opt) {
- case Atomic:
- opts |= SftpConstants.SSH_FXP_RENAME_ATOMIC;
- break;
- case Overwrite:
- opts |= SftpConstants.SSH_FXP_RENAME_OVERWRITE;
- break;
- default: // do nothing
- }
- }
- }
- buffer.putInt(opts);
- } else if (numOptions > 0) {
- throw new UnsupportedOperationException("rename(" + oldPath + " => " + newPath + ")"
- + " - copy options can not be used with this SFTP version: " + options);
- }
- checkCommandStatus(SftpConstants.SSH_FXP_RENAME, buffer);
- }
-
- @Override
- public int read(Handle handle, long fileOffset, byte[] dst, int dstOffset, int len, AtomicReference<Boolean> eofSignalled) throws IOException {
- if (eofSignalled != null) {
- eofSignalled.set(null);
- }
-
- if (!isOpen()) {
- throw new IOException("read(" + handle + "/" + fileOffset + ")[" + dstOffset + "/" + len + "] client is closed");
- }
-
- byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
- Buffer buffer = new ByteArrayBuffer(id.length + Long.SIZE /* some extra fields */, false);
- buffer.putBytes(id);
- buffer.putLong(fileOffset);
- buffer.putInt(len);
- return checkData(SftpConstants.SSH_FXP_READ, buffer, dstOffset, dst, eofSignalled);
- }
-
- protected int checkData(int cmd, Buffer request, int dstOffset, byte[] dst, AtomicReference<Boolean> eofSignalled) throws IOException {
- if (eofSignalled != null) {
- eofSignalled.set(null);
- }
- int reqId = send(cmd, request);
- Buffer response = receive(reqId);
- return checkDataResponse(cmd, response, dstOffset, dst, eofSignalled);
- }
-
- protected int checkDataResponse(int cmd, Buffer buffer, int dstoff, byte[] dst, AtomicReference<Boolean> eofSignalled) throws IOException {
- if (eofSignalled != null) {
- eofSignalled.set(null);
- }
-
- int length = buffer.getInt();
- int type = buffer.getUByte();
- int id = buffer.getInt();
- if (type == SftpConstants.SSH_FXP_DATA) {
- int len = buffer.getInt();
- buffer.getRawBytes(dst, dstoff, len);
- Boolean indicator = SftpHelper.getEndOfFileIndicatorValue(buffer, getVersion());
- if (log.isTraceEnabled()) {
- log.trace("checkDataResponse({}][id={}] {} offset={}, len={}, EOF={}",
- getClientChannel(), SftpConstants.getCommandMessageName(cmd),
- id, dstoff, len, indicator);
- }
- if (eofSignalled != null) {
- eofSignalled.set(indicator);
- }
-
- return len;
- }
-
- if (type == SftpConstants.SSH_FXP_STATUS) {
- int substatus = buffer.getInt();
- String msg = buffer.getString();
- String lang = buffer.getString();
- if (log.isTraceEnabled()) {
- log.trace("checkDataResponse({})[id={}] {} status: {} [{}] {}",
- getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
- SftpConstants.getStatusName(substatus), lang, msg);
- }
-
- if (substatus == SftpConstants.SSH_FX_EOF) {
- return -1;
- }
-
- throwStatusException(cmd, id, substatus, msg, lang);
- }
-
- return handleUnknownDataPacket(cmd, id, type, length, buffer);
- }
-
- protected int handleUnknownDataPacket(int cmd, int id, int type, int length, Buffer buffer) throws IOException {
- IOException err = handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_DATA, id, type, length, buffer);
- if (err != null) {
- throw err;
- }
-
- return 0;
- }
-
- @Override
- public void write(Handle handle, long fileOffset, byte[] src, int srcOffset, int len) throws IOException {
- // do some bounds checking first
- if ((fileOffset < 0) || (srcOffset < 0) || (len < 0)) {
- throw new IllegalArgumentException("write(" + handle + ") please ensure all parameters "
- + " are non-negative values: file-offset=" + fileOffset
- + ", src-offset=" + srcOffset + ", len=" + len);
- }
- if ((srcOffset + len) > src.length) {
- throw new IllegalArgumentException("write(" + handle + ")"
- + " cannot read bytes " + srcOffset + " to " + (srcOffset + len)
- + " when array is only of length " + src.length);
- }
- if (!isOpen()) {
- throw new IOException("write(" + handle + "/" + fileOffset + ")[" + srcOffset + "/" + len + "] client is closed");
- }
-
- if (log.isTraceEnabled()) {
- log.trace("write({}) handle={}, file-offset={}, buf-offset={}, len={}",
- getClientChannel(), handle, fileOffset, srcOffset, len);
- }
-
- byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
- Buffer buffer = new ByteArrayBuffer(id.length + len + Long.SIZE /* some extra fields */, false);
- buffer.putBytes(id);
- buffer.putLong(fileOffset);
- buffer.putBytes(src, srcOffset, len);
- checkCommandStatus(SftpConstants.SSH_FXP_WRITE, buffer);
- }
-
- @Override
- public void mkdir(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("mkdir(" + path + ") client is closed");
- }
-
- if (log.isDebugEnabled()) {
- log.debug("mkdir({}) {}", getClientSession(), path);
- }
-
- Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
- buffer = putReferencedName(SftpConstants.SSH_FXP_MKDIR, buffer, path, 0);
- buffer.putInt(0);
-
- int version = getVersion();
- if (version != SftpConstants.SFTP_V3) {
- buffer.putByte((byte) 0);
- }
-
- checkCommandStatus(SftpConstants.SSH_FXP_MKDIR, buffer);
- }
-
- @Override
- public void rmdir(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("rmdir(" + path + ") client is closed");
- }
-
- if (log.isDebugEnabled()) {
- log.debug("rmdir({}) {}", getClientSession(), path);
- }
-
- Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
- buffer = putReferencedName(SftpConstants.SSH_FXP_RMDIR, buffer, path, 0);
- checkCommandStatus(SftpConstants.SSH_FXP_RMDIR, buffer);
- }
-
- @Override
- public CloseableHandle openDir(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("openDir(" + path + ") client is closed");
- }
-
- Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
- buffer = putReferencedName(SftpConstants.SSH_FXP_OPENDIR, buffer, path, 0);
-
- CloseableHandle handle = new DefaultCloseableHandle(this, path, checkHandle(SftpConstants.SSH_FXP_OPENDIR, buffer));
- if (log.isTraceEnabled()) {
- log.trace("openDir({})[{}}: {}", getClientSession(), path, handle);
- }
-
- return handle;
- }
-
- @Override
- public List<DirEntry> readDir(Handle handle, AtomicReference<Boolean> eolIndicator) throws IOException {
- if (eolIndicator != null) {
- eolIndicator.set(null); // assume unknown information
- }
- if (!isOpen()) {
- throw new IOException("readDir(" + handle + ") client is closed");
- }
-
- byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
- Buffer buffer = new ByteArrayBuffer(id.length + Byte.SIZE /* some extra fields */, false);
- buffer.putBytes(id);
-
- int cmdId = send(SftpConstants.SSH_FXP_READDIR, buffer);
- Buffer response = receive(cmdId);
- return checkDirResponse(SftpConstants.SSH_FXP_READDIR, response, eolIndicator);
- }
-
- protected List<DirEntry> checkDirResponse(int cmd, Buffer buffer, AtomicReference<Boolean> eolIndicator) throws IOException {
- if (eolIndicator != null) {
- eolIndicator.set(null); // assume unknown
- }
-
- int length = buffer.getInt();
- int type = buffer.getUByte();
- int id = buffer.getInt();
- boolean traceEnabled = log.isTraceEnabled();
- if (type == SftpConstants.SSH_FXP_NAME) {
- int len = buffer.getInt();
- int version = getVersion();
- ClientChannel channel = getClientChannel();
- boolean debugEnabled = log.isDebugEnabled();
- if (debugEnabled) {
- log.debug("checkDirResponse({}}[id={}] reading {} entries", channel, id, len);
- }
-
- List<DirEntry> entries = new ArrayList<>(len);
- AtomicInteger nameIndex = new AtomicInteger(0);
- for (int i = 0; i < len; i++) {
- String name = getReferencedName(cmd, buffer, nameIndex.getAndIncrement());
- String longName = null;
- if (version == SftpConstants.SFTP_V3) {
- longName = getReferencedName(cmd, buffer, nameIndex.getAndIncrement());
- }
-
- Attributes attrs = readAttributes(cmd, buffer, nameIndex);
- if (traceEnabled) {
- log.trace("checkDirResponse({})[id={}][{}] ({})[{}]: {}",
- channel, id, i, name, longName, attrs);
- }
-
- entries.add(new DirEntry(name, longName, attrs));
- }
-
- Boolean indicator = SftpHelper.getEndOfListIndicatorValue(buffer, version);
- if (eolIndicator != null) {
- eolIndicator.set(indicator);
- }
-
- if (debugEnabled) {
- log.debug("checkDirResponse({}}[id={}] read count={}, eol={}", channel, entries.size(), indicator);
- }
- return entries;
- }
-
- if (type == SftpConstants.SSH_FXP_STATUS) {
- int substatus = buffer.getInt();
- String msg = buffer.getString();
- String lang = buffer.getString();
- if (traceEnabled) {
- log.trace("checkDirResponse({})[id={}] - status: {} [{}] {}",
- getClientChannel(), id, SftpConstants.getStatusName(substatus), lang, msg);
- }
-
- if (substatus == SftpConstants.SSH_FX_EOF) {
- return null;
- }
-
- throwStatusException(cmd, id, substatus, msg, lang);
- }
-
- return handleUnknownDirListingPacket(cmd, id, type, length, buffer);
- }
-
- protected List<DirEntry> handleUnknownDirListingPacket(int cmd, int id, int type, int length, Buffer buffer) throws IOException {
- IOException err = handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_NAME, id, type, length, buffer);
- if (err != null) {
- throw err;
- }
- return Collections.emptyList();
- }
-
- protected IOException handleUnexpectedPacket(int cmd, int expected, int id, int type, int length, Buffer buffer) throws IOException {
- throw new SshException("Unexpected SFTP packet received while awaiting " + SftpConstants.getCommandMessageName(expected)
- + " response to " + SftpConstants.getCommandMessageName(cmd)
- + ": type=" + SftpConstants.getCommandMessageName(type) + ", id=" + id + ", length=" + length);
- }
-
- @Override
- public String canonicalPath(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("canonicalPath(" + path + ") client is closed");
- }
-
- Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE, false);
- buffer = putReferencedName(SftpConstants.SSH_FXP_REALPATH, buffer, path, 0);
- return checkOneName(SftpConstants.SSH_FXP_REALPATH, buffer);
- }
-
- @Override
- public Attributes stat(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("stat(" + path + ") client is closed");
- }
-
- Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE, false);
- buffer = putReferencedName(SftpConstants.SSH_FXP_STAT, buffer, path, 0);
-
- int version = getVersion();
- if (version >= SftpConstants.SFTP_V4) {
- buffer.putInt(SftpConstants.SSH_FILEXFER_ATTR_ALL);
- }
-
- return checkAttributes(SftpConstants.SSH_FXP_STAT, buffer);
- }
-
- @Override
- public Attributes lstat(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("lstat(" + path + ") client is closed");
- }
-
- Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE, false);
- buffer = putReferencedName(SftpConstants.SSH_FXP_LSTAT, buffer, path, 0);
-
- int version = getVersion();
- if (version >= SftpConstants.SFTP_V4) {
- buffer.putInt(SftpConstants.SSH_FILEXFER_ATTR_ALL);
- }
-
- return checkAttributes(SftpConstants.SSH_FXP_LSTAT, buffer);
- }
-
- @Override
- public Attributes stat(Handle handle) throws IOException {
- if (!isOpen()) {
- throw new IOException("stat(" + handle + ") client is closed");
- }
-
- byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
- Buffer buffer = new ByteArrayBuffer(id.length + Byte.SIZE /* a bit extra */, false);
- buffer.putBytes(id);
-
- int version = getVersion();
- if (version >= SftpConstants.SFTP_V4) {
- buffer.putInt(SftpConstants.SSH_FILEXFER_ATTR_ALL);
- }
-
- return checkAttributes(SftpConstants.SSH_FXP_FSTAT, buffer);
- }
-
- @Override
- public void setStat(String path, Attributes attributes) throws IOException {
- if (!isOpen()) {
- throw new IOException("setStat(" + path + ")[" + attributes + "] client is closed");
- }
-
- if (log.isDebugEnabled()) {
- log.debug("setStat({})[{}]: {}", getClientSession(), path, attributes);
- }
-
- Buffer buffer = new ByteArrayBuffer();
- buffer = putReferencedName(SftpConstants.SSH_FXP_SETSTAT, buffer, path, 0);
- buffer = writeAttributes(SftpConstants.SSH_FXP_SETSTAT, buffer, attributes);
- checkCommandStatus(SftpConstants.SSH_FXP_SETSTAT, buffer);
- }
-
- @Override
- public void setStat(Handle handle, Attributes attributes) throws IOException {
- if (!isOpen()) {
- throw new IOException("setStat(" + handle + ")[" + attributes + "] client is closed");
- }
-
- if (log.isDebugEnabled()) {
- log.debug("setStat({})[{}]: {}", getClientSession(), handle, attributes);
- }
- byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
- Buffer buffer = new ByteArrayBuffer(id.length + (2 * Long.SIZE) /* some extras */, false);
- buffer.putBytes(id);
- buffer = writeAttributes(SftpConstants.SSH_FXP_FSETSTAT, buffer, attributes);
- checkCommandStatus(SftpConstants.SSH_FXP_FSETSTAT, buffer);
- }
-
- @Override
- public String readLink(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("readLink(" + path + ") client is closed");
- }
-
- Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
- buffer = putReferencedName(SftpConstants.SSH_FXP_READLINK, buffer, path, 0);
- return checkOneName(SftpConstants.SSH_FXP_READLINK, buffer);
- }
-
- @Override
- public void link(String linkPath, String targetPath, boolean symbolic) throws IOException {
- if (!isOpen()) {
- throw new IOException("link(" + linkPath + " => " + targetPath + ")[symbolic=" + symbolic + "] client is closed");
- }
-
- if (log.isDebugEnabled()) {
- log.debug("link({})[symbolic={}] {} => {}", getClientSession(), symbolic, linkPath, targetPath);
- }
-
- Buffer buffer = new ByteArrayBuffer(linkPath.length() + targetPath.length() + Long.SIZE /* some extra fields */, false);
- int version = getVersion();
- if (version < SftpConstants.SFTP_V6) {
- if (!symbolic) {
- throw new UnsupportedOperationException("Hard links are not supported in sftp v" + version);
- }
- buffer = putReferencedName(SftpConstants.SSH_FXP_SYMLINK, buffer, targetPath, 0);
- buffer = putReferencedName(SftpConstants.SSH_FXP_SYMLINK, buffer, linkPath, 1);
-
- checkCommandStatus(SftpConstants.SSH_FXP_SYMLINK, buffer);
- } else {
- buffer = putReferencedName(SftpConstants.SSH_FXP_SYMLINK, buffer, targetPath, 0);
- buffer = putReferencedName(SftpConstants.SSH_FXP_SYMLINK, buffer, linkPath, 1);
- buffer.putBoolean(symbolic);
-
- checkCommandStatus(SftpConstants.SSH_FXP_LINK, buffer);
- }
- }
-
- @Override
- public void lock(Handle handle, long offset, long length, int mask) throws IOException {
- if (!isOpen()) {
- throw new IOException("lock(" + handle + ")[offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask) + "] client is closed");
- }
-
- if (log.isDebugEnabled()) {
- log.debug("lock({})[{}] offset={}, length={}, mask=0x{}",
- getClientSession(), handle, offset, length, Integer.toHexString(mask));
- }
-
- byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
- Buffer buffer = new ByteArrayBuffer(id.length + Long.SIZE /* a bit extra */, false);
- buffer.putBytes(id);
- buffer.putLong(offset);
- buffer.putLong(length);
- buffer.putInt(mask);
- checkCommandStatus(SftpConstants.SSH_FXP_BLOCK, buffer);
- }
-
- @Override
- public void unlock(Handle handle, long offset, long length) throws IOException {
- if (!isOpen()) {
- throw new IOException("unlock" + handle + ")[offset=" + offset + ", length=" + length + "] client is closed");
- }
-
- if (log.isDebugEnabled()) {
- log.debug("unlock({})[{}] offset={}, length={}", getClientSession(), handle, offset, length);
- }
-
- byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
- Buffer buffer = new ByteArrayBuffer(id.length + Long.SIZE /* a bit extra */, false);
- buffer.putBytes(id);
- buffer.putLong(offset);
- buffer.putLong(length);
- checkCommandStatus(SftpConstants.SSH_FXP_UNBLOCK, buffer);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpFileAttributeView.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpFileAttributeView.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpFileAttributeView.java
deleted file mode 100644
index 0fce423..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpFileAttributeView.java
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.impl;
-
-import java.io.IOException;
-import java.nio.file.LinkOption;
-import java.nio.file.NoSuchFileException;
-import java.nio.file.Path;
-import java.nio.file.attribute.FileAttributeView;
-import java.util.Objects;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpFileSystem;
-import org.apache.sshd.client.subsystem.sftp.SftpFileSystemProvider;
-import org.apache.sshd.client.subsystem.sftp.SftpPath;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.util.logging.AbstractLoggingBean;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractSftpFileAttributeView extends AbstractLoggingBean implements FileAttributeView {
- protected final SftpFileSystemProvider provider;
- protected final Path path;
- protected final LinkOption[] options;
-
- protected AbstractSftpFileAttributeView(SftpFileSystemProvider provider, Path path, LinkOption... options) {
- this.provider = Objects.requireNonNull(provider, "No file system provider instance");
- this.path = Objects.requireNonNull(path, "No path");
- this.options = options;
- }
-
- @Override
- public String name() {
- return "view";
- }
-
- /**
- * @return The underlying {@link SftpFileSystemProvider} used to
- * provide the view functionality
- */
- public final SftpFileSystemProvider provider() {
- return provider;
- }
-
- /**
- * @return The referenced view {@link Path}
- */
- public final Path getPath() {
- return path;
- }
-
- protected SftpClient.Attributes readRemoteAttributes() throws IOException {
- return provider.readRemoteAttributes(provider.toSftpPath(path), options);
- }
-
- protected void writeRemoteAttributes(SftpClient.Attributes attrs) throws IOException {
- SftpPath p = provider.toSftpPath(path);
- SftpFileSystem fs = p.getFileSystem();
- try (SftpClient client = fs.getClient()) {
- try {
- if (log.isDebugEnabled()) {
- log.debug("writeRemoteAttributes({})[{}]: {}", fs, p, attrs);
- }
- client.setStat(p.toString(), attrs);
- } catch (SftpException e) {
- if (e.getStatus() == SftpConstants.SSH_FX_NO_SUCH_FILE) {
- throw new NoSuchFileException(p.toString());
- }
- throw e;
- }
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultCloseableHandle.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultCloseableHandle.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultCloseableHandle.java
deleted file mode 100644
index f6597f3..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultCloseableHandle.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.impl;
-
-import java.io.IOException;
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
-import org.apache.sshd.common.util.ValidateUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class DefaultCloseableHandle extends CloseableHandle {
- private final AtomicBoolean open = new AtomicBoolean(true);
- private final SftpClient client;
-
- public DefaultCloseableHandle(SftpClient client, String path, byte[] id) {
- super(path, id);
- this.client = ValidateUtils.checkNotNull(client, "No client for path=%s", path);
- }
-
- public final SftpClient getSftpClient() {
- return client;
- }
-
- @Override
- public boolean isOpen() {
- return open.get();
- }
-
- @Override
- public void close() throws IOException {
- if (open.getAndSet(false)) {
- client.close(this);
- }
- }
-
- @Override // to avoid Findbugs[EQ_DOESNT_OVERRIDE_EQUALS]
- public int hashCode() {
- return super.hashCode();
- }
-
- @Override // to avoid Findbugs[EQ_DOESNT_OVERRIDE_EQUALS]
- public boolean equals(Object obj) {
- return super.equals(obj);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClient.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClient.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClient.java
deleted file mode 100644
index d1f5a12..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClient.java
+++ /dev/null
@@ -1,464 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp.impl;
-
-import java.io.ByteArrayOutputStream;
-import java.io.EOFException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InterruptedIOException;
-import java.io.OutputStream;
-import java.io.StreamCorruptedException;
-import java.net.SocketTimeoutException;
-import java.nio.charset.Charset;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.NavigableMap;
-import java.util.Objects;
-import java.util.Set;
-import java.util.TreeMap;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicInteger;
-
-import org.apache.sshd.client.channel.ChannelSubsystem;
-import org.apache.sshd.client.channel.ClientChannel;
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.SftpVersionSelector;
-import org.apache.sshd.common.PropertyResolverUtils;
-import org.apache.sshd.common.SshException;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
-import org.apache.sshd.common.subsystem.sftp.extensions.VersionsParser.Versions;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class DefaultSftpClient extends AbstractSftpClient {
- private final ClientSession clientSession;
- private final ChannelSubsystem channel;
- private final Map<Integer, Buffer> messages = new HashMap<>();
- private final AtomicInteger cmdId = new AtomicInteger(100);
- private final Buffer receiveBuffer = new ByteArrayBuffer();
- private final byte[] workBuf = new byte[Integer.BYTES];
- private final AtomicInteger versionHolder = new AtomicInteger(0);
- private final AtomicBoolean closing = new AtomicBoolean(false);
- private final NavigableMap<String, byte[]> extensions = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- private final NavigableMap<String, byte[]> exposedExtensions = Collections.unmodifiableNavigableMap(extensions);
- private Charset nameDecodingCharset = DEFAULT_NAME_DECODING_CHARSET;
-
- public DefaultSftpClient(ClientSession clientSession) throws IOException {
- this.nameDecodingCharset = PropertyResolverUtils.getCharset(clientSession, NAME_DECODING_CHARSET, DEFAULT_NAME_DECODING_CHARSET);
- this.clientSession = Objects.requireNonNull(clientSession, "No client session");
- this.channel = clientSession.createSubsystemChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
- this.channel.setOut(new OutputStream() {
- private final byte[] singleByte = new byte[1];
- @Override
- public void write(int b) throws IOException {
- synchronized (singleByte) {
- singleByte[0] = (byte) b;
- write(singleByte);
- }
- }
-
- @Override
- public void write(byte[] b, int off, int len) throws IOException {
- data(b, off, len);
- }
- });
- this.channel.setErr(new ByteArrayOutputStream(Byte.MAX_VALUE));
-
- long initializationTimeout = clientSession.getLongProperty(SFTP_CHANNEL_OPEN_TIMEOUT, DEFAULT_CHANNEL_OPEN_TIMEOUT);
- this.channel.open().verify(initializationTimeout);
- this.channel.onClose(() -> {
- synchronized (messages) {
- closing.set(true);
- messages.notifyAll();
- }
-
- if (versionHolder.get() <= 0) {
- log.warn("onClose({}) closed before version negotiated", channel);
- }
- });
-
- try {
- init(initializationTimeout);
- } catch (IOException | RuntimeException e) {
- this.channel.close(true);
- throw e;
- }
- }
-
- @Override
- public int getVersion() {
- return versionHolder.get();
- }
-
- @Override
- public ClientSession getClientSession() {
- return clientSession;
- }
-
- @Override
- public ClientChannel getClientChannel() {
- return channel;
- }
-
- @Override
- public NavigableMap<String, byte[]> getServerExtensions() {
- return exposedExtensions;
- }
-
- @Override
- public Charset getNameDecodingCharset() {
- return nameDecodingCharset;
- }
-
- @Override
- public void setNameDecodingCharset(Charset nameDecodingCharset) {
- this.nameDecodingCharset = Objects.requireNonNull(nameDecodingCharset, "No charset provided");
- }
-
- @Override
- public boolean isClosing() {
- return closing.get();
- }
-
- @Override
- public boolean isOpen() {
- return this.channel.isOpen();
- }
-
- @Override
- public void close() throws IOException {
- if (isOpen()) {
- this.channel.close(false);
- }
- }
-
- /**
- * Receive binary data
- * @param buf The buffer for the incoming data
- * @param start Offset in buffer to place the data
- * @param len Available space in buffer for the data
- * @return Actual size of received data
- * @throws IOException If failed to receive incoming data
- */
- protected int data(byte[] buf, int start, int len) throws IOException {
- Buffer incoming = new ByteArrayBuffer(buf, start, len);
- // If we already have partial data, we need to append it to the buffer and use it
- if (receiveBuffer.available() > 0) {
- receiveBuffer.putBuffer(incoming);
- incoming = receiveBuffer;
- }
-
- // Process commands
- int rpos = incoming.rpos();
- boolean traceEnabled = log.isTraceEnabled();
- for (int count = 1; receive(incoming); count++) {
- if (traceEnabled) {
- log.trace("data({}) Processed {} data messages", getClientChannel(), count);
- }
- }
-
- int read = incoming.rpos() - rpos;
- // Compact and add remaining data
- receiveBuffer.compact();
- if ((receiveBuffer != incoming) && (incoming.available() > 0)) {
- receiveBuffer.putBuffer(incoming);
- }
-
- return read;
- }
-
- /**
- * Read SFTP packets from buffer
- *
- * @param incoming The received {@link Buffer}
- * @return {@code true} if data from incoming buffer was processed
- * @throws IOException if failed to process the buffer
- * @see #process(Buffer)
- */
- protected boolean receive(Buffer incoming) throws IOException {
- int rpos = incoming.rpos();
- int wpos = incoming.wpos();
- ClientSession session = getClientSession();
- session.resetIdleTimeout();
-
- if ((wpos - rpos) > 4) {
- int length = incoming.getInt();
- if (length < 5) {
- throw new IOException("Illegal sftp packet length: " + length);
- }
- if ((wpos - rpos) >= (length + 4)) {
- incoming.rpos(rpos);
- incoming.wpos(rpos + 4 + length);
- process(incoming);
- incoming.rpos(rpos + 4 + length);
- incoming.wpos(wpos);
- return true;
- }
- }
- incoming.rpos(rpos);
- return false;
- }
-
- /**
- * Process an SFTP packet
- *
- * @param incoming The received {@link Buffer}
- * @throws IOException if failed to process the buffer
- */
- protected void process(Buffer incoming) throws IOException {
- // create a copy of the buffer in case it is being re-used
- Buffer buffer = new ByteArrayBuffer(incoming.available() + Long.SIZE, false);
- buffer.putBuffer(incoming);
-
- int rpos = buffer.rpos();
- int length = buffer.getInt();
- int type = buffer.getUByte();
- Integer id = buffer.getInt();
- buffer.rpos(rpos);
-
- if (log.isTraceEnabled()) {
- log.trace("process({}) id={}, type={}, len={}",
- getClientChannel(), id, SftpConstants.getCommandMessageName(type), length);
- }
-
- synchronized (messages) {
- messages.put(id, buffer);
- messages.notifyAll();
- }
- }
-
- @Override
- public int send(int cmd, Buffer buffer) throws IOException {
- int id = cmdId.incrementAndGet();
- int len = buffer.available();
- if (log.isTraceEnabled()) {
- log.trace("send({}) cmd={}, len={}, id={}",
- getClientChannel(), SftpConstants.getCommandMessageName(cmd), len, id);
- }
-
- OutputStream dos = channel.getInvertedIn();
- BufferUtils.writeInt(dos, 1 /* cmd */ + Integer.BYTES /* id */ + len, workBuf);
- dos.write(cmd & 0xFF);
- BufferUtils.writeInt(dos, id, workBuf);
- dos.write(buffer.array(), buffer.rpos(), len);
- dos.flush();
- return id;
- }
-
- @Override
- public Buffer receive(int id) throws IOException {
- Integer reqId = id;
- synchronized (messages) {
- for (int count = 1;; count++) {
- if (isClosing() || (!isOpen())) {
- throw new SshException("Channel is being closed");
- }
-
- Buffer buffer = messages.remove(reqId);
- if (buffer != null) {
- return buffer;
- }
-
- try {
- messages.wait();
- } catch (InterruptedException e) {
- throw (IOException) new InterruptedIOException("Interrupted while waiting for messages at iteration #" + count).initCause(e);
- }
- }
- }
- }
-
- protected Buffer read() throws IOException {
- InputStream dis = channel.getInvertedOut();
- int length = BufferUtils.readInt(dis, workBuf);
- // must have at least command + length
- if (length < (1 + Integer.BYTES)) {
- throw new IllegalArgumentException("Bad length: " + length);
- }
-
- Buffer buffer = new ByteArrayBuffer(length + Integer.BYTES, false);
- buffer.putInt(length);
- int nb = length;
- while (nb > 0) {
- int readLen = dis.read(buffer.array(), buffer.wpos(), nb);
- if (readLen < 0) {
- throw new IllegalArgumentException("Premature EOF while read " + length + " bytes - remaining=" + nb);
- }
- buffer.wpos(buffer.wpos() + readLen);
- nb -= readLen;
- }
-
- return buffer;
- }
-
- protected void init(long initializationTimeout) throws IOException {
- ValidateUtils.checkTrue(initializationTimeout > 0L, "Invalid initialization timeout: %d", initializationTimeout);
-
- // Send init packet
- OutputStream dos = channel.getInvertedIn();
- BufferUtils.writeInt(dos, 5 /* total length */, workBuf);
- dos.write(SftpConstants.SSH_FXP_INIT);
- BufferUtils.writeInt(dos, SftpConstants.SFTP_V6, workBuf);
- dos.flush();
-
- Buffer buffer;
- Integer reqId;
- synchronized (messages) {
- /*
- * We need to use a timeout since if the remote server does not support
- * SFTP, we will not know it immediately. This is due to the fact that the
- * request for the subsystem does not contain a reply as to its success or
- * failure. Thus, the SFTP channel is created by the client, but there is
- * no one on the other side to reply - thus the need for the timeout
- */
- for (long remainingTimeout = initializationTimeout; (remainingTimeout > 0L) && messages.isEmpty() && (!isClosing()) && isOpen();) {
- try {
- long sleepStart = System.nanoTime();
- messages.wait(remainingTimeout);
- long sleepEnd = System.nanoTime();
- long sleepDuration = sleepEnd - sleepStart;
- long sleepMillis = TimeUnit.NANOSECONDS.toMillis(sleepDuration);
- if (sleepMillis < 1L) {
- remainingTimeout--;
- } else {
- remainingTimeout -= sleepMillis;
- }
- } catch (InterruptedException e) {
- throw (IOException) new InterruptedIOException("Interrupted init()").initCause(e);
- }
- }
-
- if (isClosing() || (!isOpen())) {
- throw new EOFException("Closing while await init message");
- }
-
- if (messages.isEmpty()) {
- throw new SocketTimeoutException("No incoming initialization response received within " + initializationTimeout + " msec.");
- }
-
- Collection<Integer> ids = messages.keySet();
- Iterator<Integer> iter = ids.iterator();
- reqId = iter.next();
- buffer = messages.remove(reqId);
- }
-
- int length = buffer.getInt();
- int type = buffer.getUByte();
- int id = buffer.getInt();
- boolean traceEnabled = log.isTraceEnabled();
- if (traceEnabled) {
- log.trace("init({}) id={} type={} len={}",
- getClientChannel(), id, SftpConstants.getCommandMessageName(type), length);
- }
-
- if (type == SftpConstants.SSH_FXP_VERSION) {
- if (id < SftpConstants.SFTP_V3) {
- throw new SshException("Unsupported sftp version " + id);
- }
- versionHolder.set(id);
-
- if (traceEnabled) {
- log.trace("init({}) version={}", getClientChannel(), versionHolder);
- }
-
- while (buffer.available() > 0) {
- String name = buffer.getString();
- byte[] data = buffer.getBytes();
- if (traceEnabled) {
- log.trace("init({}) added extension=", getClientChannel(), name);
- }
- extensions.put(name, data);
- }
- } else if (type == SftpConstants.SSH_FXP_STATUS) {
- int substatus = buffer.getInt();
- String msg = buffer.getString();
- String lang = buffer.getString();
- if (traceEnabled) {
- log.trace("init({})[id={}] - status: {} [{}] {}",
- getClientChannel(), id, SftpConstants.getStatusName(substatus), lang, msg);
- }
-
- throwStatusException(SftpConstants.SSH_FXP_INIT, id, substatus, msg, lang);
- } else {
- handleUnexpectedPacket(SftpConstants.SSH_FXP_INIT, SftpConstants.SSH_FXP_VERSION, id, type, length, buffer);
- }
- }
-
- /**
- * @param selector The {@link SftpVersionSelector} to use - ignored if {@code null}
- * @return The selected version (may be same as current)
- * @throws IOException If failed to negotiate
- */
- public int negotiateVersion(SftpVersionSelector selector) throws IOException {
- int current = getVersion();
- if (selector == null) {
- return current;
- }
-
- Set<Integer> available = GenericUtils.asSortedSet(Collections.singleton(current));
- Map<String, ?> parsed = getParsedServerExtensions();
- Collection<String> extensions = ParserUtils.supportedExtensions(parsed);
- if ((GenericUtils.size(extensions) > 0) && extensions.contains(SftpConstants.EXT_VERSION_SELECT)) {
- Versions vers = GenericUtils.isEmpty(parsed) ? null : (Versions) parsed.get(SftpConstants.EXT_VERSIONS);
- Collection<String> reported = (vers == null) ? null : vers.getVersions();
- if (GenericUtils.size(reported) > 0) {
- for (String v : reported) {
- if (!available.add(Integer.valueOf(v))) {
- continue; // debug breakpoint
- }
- }
- }
- }
-
- int selected = selector.selectVersion(getClientSession(), current, new ArrayList<>(available));
- if (log.isDebugEnabled()) {
- log.debug("negotiateVersion({}) current={} {} -> {}", getClientChannel(), current, available, selected);
- }
-
- if (selected == current) {
- return current;
- }
-
- if (!available.contains(selected)) {
- throw new StreamCorruptedException("Selected version (" + selected + ") not part of available: " + available);
- }
-
- String verVal = String.valueOf(selected);
- Buffer buffer = new ByteArrayBuffer(Integer.BYTES + SftpConstants.EXT_VERSION_SELECT.length() // extension name
- + Integer.BYTES + verVal.length() + Byte.SIZE, false);
- buffer.putString(SftpConstants.EXT_VERSION_SELECT);
- buffer.putString(verVal);
- checkCommandStatus(SftpConstants.SSH_FXP_EXTENDED, buffer);
- versionHolder.set(selected);
- return selected;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClientFactory.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClientFactory.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClientFactory.java
deleted file mode 100644
index c6702f8..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClientFactory.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp.impl;
-
-import java.io.IOException;
-
-import org.apache.sshd.client.ClientFactoryManager;
-import org.apache.sshd.client.SshClient;
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClientFactory;
-import org.apache.sshd.client.subsystem.sftp.SftpFileSystem;
-import org.apache.sshd.client.subsystem.sftp.SftpFileSystemProvider;
-import org.apache.sshd.client.subsystem.sftp.SftpVersionSelector;
-import org.apache.sshd.common.util.logging.AbstractLoggingBean;
-
-/**
- * TODO Add javadoc
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class DefaultSftpClientFactory extends AbstractLoggingBean implements SftpClientFactory {
- public static final DefaultSftpClientFactory INSTANCE = new DefaultSftpClientFactory();
-
- public DefaultSftpClientFactory() {
- super();
- }
-
- @Override
- public SftpClient createSftpClient(ClientSession session, SftpVersionSelector selector) throws IOException {
- DefaultSftpClient client = createDefaultSftpClient(session, selector);
- try {
- client.negotiateVersion(selector);
- } catch (IOException | RuntimeException e) {
- if (log.isDebugEnabled()) {
- log.debug("createSftpClient({}) failed ({}) to negotiate version: {}",
- session, e.getClass().getSimpleName(), e.getMessage());
- }
- if (log.isTraceEnabled()) {
- log.trace("createSftpClient(" + session + ") version negotiation failure details", e);
- }
-
- client.close();
- throw e;
- }
-
- return client;
- }
-
- protected DefaultSftpClient createDefaultSftpClient(ClientSession session, SftpVersionSelector selector) throws IOException {
- return new DefaultSftpClient(session);
- }
-
- @Override
- public SftpFileSystem createSftpFileSystem(
- ClientSession session, SftpVersionSelector selector, int readBufferSize, int writeBufferSize)
- throws IOException {
- ClientFactoryManager manager = session.getFactoryManager();
- SftpFileSystemProvider provider = new SftpFileSystemProvider((SshClient) manager, selector);
- SftpFileSystem fs = provider.newFileSystem(session);
- fs.setReadBufferSize(readBufferSize);
- fs.setWriteBufferSize(writeBufferSize);
- return fs;
- }
-}
[30/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
[SSHD-815] Extract SFTP in its own module
Project: http://git-wip-us.apache.org/repos/asf/mina-sshd/repo
Commit: http://git-wip-us.apache.org/repos/asf/mina-sshd/commit/251db9b9
Tree: http://git-wip-us.apache.org/repos/asf/mina-sshd/tree/251db9b9
Diff: http://git-wip-us.apache.org/repos/asf/mina-sshd/diff/251db9b9
Branch: refs/heads/master
Commit: 251db9b9dccfc4b9091e69982928d308fd09c04a
Parents: 19be905
Author: Guillaume Nodet <gn...@apache.org>
Authored: Fri Apr 13 11:13:07 2018 +0200
Committer: Guillaume Nodet <gn...@apache.org>
Committed: Mon Apr 16 13:46:34 2018 +0200
----------------------------------------------------------------------
README.md | 149 +-
assembly/pom.xml | 5 +
pom.xml | 1 +
sshd-contrib/pom.xml | 5 +
...impleAccessControlSftpEventListenerTest.java | 5 +-
.../sshd/client/ClientFactoryManager.java | 2 -
.../java/org/apache/sshd/client/SshClient.java | 13 -
.../client/session/AbstractClientSession.java | 27 -
.../sshd/client/session/ClientSession.java | 4 +-
.../client/simple/AbstractSimpleClient.java | 100 -
.../apache/sshd/client/simple/SimpleClient.java | 1 -
.../sshd/client/simple/SimpleSftpClient.java | 179 --
.../client/subsystem/sftp/RawSftpClient.java | 44 -
.../sftp/SftpAclFileAttributeView.java | 67 -
.../sshd/client/subsystem/sftp/SftpClient.java | 1038 -------
.../subsystem/sftp/SftpClientCreator.java | 85 -
.../subsystem/sftp/SftpClientFactory.java | 51 -
.../sftp/SftpClientFactoryManager.java | 37 -
.../sshd/client/subsystem/sftp/SftpCommand.java | 920 -------
.../subsystem/sftp/SftpDirEntryIterator.java | 194 --
.../subsystem/sftp/SftpDirectoryStream.java | 65 -
.../client/subsystem/sftp/SftpFileStore.java | 105 -
.../client/subsystem/sftp/SftpFileSystem.java | 596 ----
.../subsystem/sftp/SftpFileSystemChannel.java | 37 -
.../subsystem/sftp/SftpFileSystemProvider.java | 1249 ---------
.../sftp/SftpInputStreamWithChannel.java | 179 --
.../subsystem/sftp/SftpIterableDirEntry.java | 72 -
.../sftp/SftpOutputStreamWithChannel.java | 124 -
.../sshd/client/subsystem/sftp/SftpPath.java | 43 -
.../client/subsystem/sftp/SftpPathIterator.java | 82 -
.../sftp/SftpPosixFileAttributeView.java | 94 -
.../subsystem/sftp/SftpPosixFileAttributes.java | 113 -
.../subsystem/sftp/SftpRemotePathChannel.java | 412 ---
.../subsystem/sftp/SftpVersionSelector.java | 127 -
.../subsystem/sftp/StfpIterableDirHandle.java | 59 -
.../extensions/BuiltinSftpClientExtensions.java | 162 --
.../extensions/CheckFileHandleExtension.java | 45 -
.../sftp/extensions/CheckFileNameExtension.java | 43 -
.../sftp/extensions/CopyDataExtension.java | 34 -
.../sftp/extensions/CopyFileExtension.java | 36 -
.../sftp/extensions/MD5FileExtension.java | 40 -
.../sftp/extensions/MD5HandleExtension.java | 43 -
.../sftp/extensions/SftpClientExtension.java | 34 -
.../extensions/SftpClientExtensionFactory.java | 39 -
.../extensions/SpaceAvailableExtension.java | 34 -
.../helpers/AbstractCheckFileExtension.java | 76 -
.../helpers/AbstractMD5HashExtension.java | 75 -
.../helpers/AbstractSftpClientExtension.java | 206 --
.../helpers/CheckFileHandleExtensionImpl.java | 49 -
.../helpers/CheckFileNameExtensionImpl.java | 48 -
.../helpers/CopyDataExtensionImpl.java | 58 -
.../helpers/CopyFileExtensionImpl.java | 53 -
.../helpers/MD5FileExtensionImpl.java | 45 -
.../helpers/MD5HandleExtensionImpl.java | 46 -
.../helpers/SpaceAvailableExtensionImpl.java | 56 -
.../openssh/OpenSSHFsyncExtension.java | 35 -
.../openssh/OpenSSHStatExtensionInfo.java | 150 -
.../openssh/OpenSSHStatHandleExtension.java | 34 -
.../openssh/OpenSSHStatPathExtension.java | 34 -
.../AbstractOpenSSHStatCommandExtension.java | 57 -
.../helpers/OpenSSHFsyncExtensionImpl.java | 49 -
.../helpers/OpenSSHStatHandleExtensionImpl.java | 44 -
.../helpers/OpenSSHStatPathExtensionImpl.java | 43 -
.../subsystem/sftp/impl/AbstractSftpClient.java | 1188 --------
.../impl/AbstractSftpFileAttributeView.java | 92 -
.../sftp/impl/DefaultCloseableHandle.java | 66 -
.../subsystem/sftp/impl/DefaultSftpClient.java | 464 ----
.../sftp/impl/DefaultSftpClientFactory.java | 81 -
.../common/subsystem/sftp/SftpConstants.java | 330 ---
.../common/subsystem/sftp/SftpException.java | 43 -
.../sshd/common/subsystem/sftp/SftpHelper.java | 1114 --------
.../sftp/SftpUniversalOwnerAndGroup.java | 67 -
.../sftp/extensions/AbstractParser.java | 39 -
.../sftp/extensions/AclSupportedParser.java | 208 --
.../sftp/extensions/ExtensionParser.java | 42 -
.../sftp/extensions/NewlineParser.java | 115 -
.../subsystem/sftp/extensions/ParserUtils.java | 195 --
.../extensions/SpaceAvailableExtensionInfo.java | 125 -
.../sftp/extensions/Supported2Parser.java | 93 -
.../sftp/extensions/SupportedParser.java | 82 -
.../sftp/extensions/VendorIdParser.java | 71 -
.../sftp/extensions/VersionsParser.java | 83 -
.../openssh/AbstractOpenSSHExtensionParser.java | 113 -
.../openssh/FstatVfsExtensionParser.java | 32 -
.../openssh/FsyncExtensionParser.java | 33 -
.../openssh/HardLinkExtensionParser.java | 33 -
.../openssh/PosixRenameExtensionParser.java | 33 -
.../openssh/StatVfsExtensionParser.java | 33 -
.../java/org/apache/sshd/server/SshServer.java | 2 -
.../sftp/AbstractSftpEventListenerAdapter.java | 258 --
.../sftp/AbstractSftpEventListenerManager.java | 60 -
.../sftp/AbstractSftpSubsystemHelper.java | 2580 ------------------
.../subsystem/sftp/DefaultGroupPrincipal.java | 32 -
.../subsystem/sftp/DefaultUserPrincipal.java | 32 -
.../server/subsystem/sftp/DirectoryHandle.java | 109 -
.../sshd/server/subsystem/sftp/FileHandle.java | 270 --
.../sshd/server/subsystem/sftp/Handle.java | 79 -
.../subsystem/sftp/InvalidHandleException.java | 32 -
.../server/subsystem/sftp/PrincipalBase.java | 65 -
.../sftp/SftpErrorStatusDataHandler.java | 83 -
.../subsystem/sftp/SftpEventListener.java | 396 ---
.../sftp/SftpEventListenerManager.java | 48 -
.../subsystem/sftp/SftpFileSystemAccessor.java | 155 --
.../sftp/SftpFileSystemAccessorManager.java | 29 -
.../server/subsystem/sftp/SftpSubsystem.java | 1069 --------
.../sftp/SftpSubsystemEnvironment.java | 67 -
.../subsystem/sftp/SftpSubsystemFactory.java | 173 --
.../server/subsystem/sftp/UnixDateFormat.java | 108 -
.../sftp/UnsupportedAttributePolicy.java | 36 -
.../java/org/apache/sshd/KeyReExchangeTest.java | 53 +-
.../java/org/apache/sshd/client/ClientTest.java | 50 +-
.../client/simple/SimpleSftpClientTest.java | 127 -
.../sftp/AbstractSftpClientTestSupport.java | 97 -
.../sftp/DefaultCloseableHandleTest.java | 87 -
.../client/subsystem/sftp/SftpCommandMain.java | 36 -
.../subsystem/sftp/SftpFileSystemTest.java | 490 ----
.../sshd/client/subsystem/sftp/SftpTest.java | 1500 ----------
.../subsystem/sftp/SftpVersionSelectorTest.java | 134 -
.../client/subsystem/sftp/SftpVersionsTest.java | 510 ----
.../BuiltinSftpClientExtensionsTest.java | 84 -
.../helpers/AbstractCheckFileExtensionTest.java | 228 --
.../helpers/AbstractMD5HashExtensionTest.java | 177 --
.../helpers/CopyDataExtensionImplTest.java | 192 --
.../helpers/CopyFileExtensionImplTest.java | 96 -
.../SpaceAvailableExtensionImplTest.java | 101 -
.../openssh/helpers/OpenSSHExtensionsTest.java | 207 --
.../common/channel/TestChannelListener.java | 153 --
.../subsystem/sftp/SftpConstantsTest.java | 75 -
.../sftp/SftpUniversalOwnerAndGroupTest.java | 70 -
.../java/org/apache/sshd/server/ServerTest.java | 2 +-
.../sftp/SftpSubsystemFactoryTest.java | 101 -
.../server/subsystem/sftp/SshFsMounter.java | 327 ---
.../sshd/util/test/TestChannelListener.java | 155 ++
sshd-git/pom.xml | 6 +
sshd-mina/pom.xml | 69 +-
sshd-sftp/pom.xml | 103 +
.../sshd/client/simple/SimpleSftpClient.java | 179 ++
.../client/simple/SimpleSftpClientImpl.java | 170 ++
.../client/subsystem/sftp/RawSftpClient.java | 44 +
.../sftp/SftpAclFileAttributeView.java | 67 +
.../sshd/client/subsystem/sftp/SftpClient.java | 1038 +++++++
.../subsystem/sftp/SftpClientFactory.java | 100 +
.../sshd/client/subsystem/sftp/SftpCommand.java | 920 +++++++
.../subsystem/sftp/SftpDirEntryIterator.java | 194 ++
.../subsystem/sftp/SftpDirectoryStream.java | 65 +
.../client/subsystem/sftp/SftpFileStore.java | 105 +
.../client/subsystem/sftp/SftpFileSystem.java | 598 ++++
.../subsystem/sftp/SftpFileSystemChannel.java | 37 +
.../subsystem/sftp/SftpFileSystemProvider.java | 1255 +++++++++
.../sftp/SftpInputStreamWithChannel.java | 179 ++
.../subsystem/sftp/SftpIterableDirEntry.java | 72 +
.../sftp/SftpOutputStreamWithChannel.java | 124 +
.../sshd/client/subsystem/sftp/SftpPath.java | 43 +
.../client/subsystem/sftp/SftpPathIterator.java | 82 +
.../sftp/SftpPosixFileAttributeView.java | 94 +
.../subsystem/sftp/SftpPosixFileAttributes.java | 113 +
.../subsystem/sftp/SftpRemotePathChannel.java | 412 +++
.../subsystem/sftp/SftpVersionSelector.java | 126 +
.../subsystem/sftp/StfpIterableDirHandle.java | 59 +
.../extensions/BuiltinSftpClientExtensions.java | 162 ++
.../extensions/CheckFileHandleExtension.java | 45 +
.../sftp/extensions/CheckFileNameExtension.java | 43 +
.../sftp/extensions/CopyDataExtension.java | 34 +
.../sftp/extensions/CopyFileExtension.java | 36 +
.../sftp/extensions/MD5FileExtension.java | 40 +
.../sftp/extensions/MD5HandleExtension.java | 43 +
.../sftp/extensions/SftpClientExtension.java | 34 +
.../extensions/SftpClientExtensionFactory.java | 39 +
.../extensions/SpaceAvailableExtension.java | 34 +
.../helpers/AbstractCheckFileExtension.java | 76 +
.../helpers/AbstractMD5HashExtension.java | 75 +
.../helpers/AbstractSftpClientExtension.java | 206 ++
.../helpers/CheckFileHandleExtensionImpl.java | 49 +
.../helpers/CheckFileNameExtensionImpl.java | 48 +
.../helpers/CopyDataExtensionImpl.java | 58 +
.../helpers/CopyFileExtensionImpl.java | 53 +
.../helpers/MD5FileExtensionImpl.java | 45 +
.../helpers/MD5HandleExtensionImpl.java | 46 +
.../helpers/SpaceAvailableExtensionImpl.java | 56 +
.../openssh/OpenSSHFsyncExtension.java | 35 +
.../openssh/OpenSSHStatExtensionInfo.java | 150 +
.../openssh/OpenSSHStatHandleExtension.java | 34 +
.../openssh/OpenSSHStatPathExtension.java | 34 +
.../AbstractOpenSSHStatCommandExtension.java | 57 +
.../helpers/OpenSSHFsyncExtensionImpl.java | 49 +
.../helpers/OpenSSHStatHandleExtensionImpl.java | 44 +
.../helpers/OpenSSHStatPathExtensionImpl.java | 43 +
.../subsystem/sftp/impl/AbstractSftpClient.java | 1188 ++++++++
.../impl/AbstractSftpFileAttributeView.java | 92 +
.../sftp/impl/DefaultCloseableHandle.java | 66 +
.../subsystem/sftp/impl/DefaultSftpClient.java | 464 ++++
.../sftp/impl/DefaultSftpClientFactory.java | 81 +
.../common/subsystem/sftp/SftpConstants.java | 330 +++
.../common/subsystem/sftp/SftpException.java | 43 +
.../sshd/common/subsystem/sftp/SftpHelper.java | 1114 ++++++++
.../sftp/SftpUniversalOwnerAndGroup.java | 67 +
.../sftp/extensions/AbstractParser.java | 39 +
.../sftp/extensions/AclSupportedParser.java | 208 ++
.../sftp/extensions/ExtensionParser.java | 42 +
.../sftp/extensions/NewlineParser.java | 115 +
.../subsystem/sftp/extensions/ParserUtils.java | 195 ++
.../extensions/SpaceAvailableExtensionInfo.java | 125 +
.../sftp/extensions/Supported2Parser.java | 93 +
.../sftp/extensions/SupportedParser.java | 82 +
.../sftp/extensions/VendorIdParser.java | 71 +
.../sftp/extensions/VersionsParser.java | 83 +
.../openssh/AbstractOpenSSHExtensionParser.java | 113 +
.../openssh/FstatVfsExtensionParser.java | 32 +
.../openssh/FsyncExtensionParser.java | 33 +
.../openssh/HardLinkExtensionParser.java | 33 +
.../openssh/PosixRenameExtensionParser.java | 33 +
.../openssh/StatVfsExtensionParser.java | 33 +
.../sftp/AbstractSftpEventListenerAdapter.java | 258 ++
.../sftp/AbstractSftpEventListenerManager.java | 60 +
.../sftp/AbstractSftpSubsystemHelper.java | 2580 ++++++++++++++++++
.../subsystem/sftp/DefaultGroupPrincipal.java | 32 +
.../subsystem/sftp/DefaultUserPrincipal.java | 32 +
.../server/subsystem/sftp/DirectoryHandle.java | 109 +
.../sshd/server/subsystem/sftp/FileHandle.java | 270 ++
.../sshd/server/subsystem/sftp/Handle.java | 79 +
.../subsystem/sftp/InvalidHandleException.java | 32 +
.../server/subsystem/sftp/PrincipalBase.java | 65 +
.../sftp/SftpErrorStatusDataHandler.java | 83 +
.../subsystem/sftp/SftpEventListener.java | 396 +++
.../sftp/SftpEventListenerManager.java | 48 +
.../subsystem/sftp/SftpFileSystemAccessor.java | 155 ++
.../sftp/SftpFileSystemAccessorManager.java | 29 +
.../server/subsystem/sftp/SftpSubsystem.java | 1069 ++++++++
.../sftp/SftpSubsystemEnvironment.java | 67 +
.../subsystem/sftp/SftpSubsystemFactory.java | 173 ++
.../server/subsystem/sftp/TreeLockExecutor.java | 75 +
.../server/subsystem/sftp/UnixDateFormat.java | 108 +
.../sftp/UnsupportedAttributePolicy.java | 36 +
.../java/org/apache/sshd/client/ClientTest.java | 426 +++
.../simple/BaseSimpleClientTestSupport.java | 70 +
.../client/simple/SimpleSftpClientTest.java | 129 +
.../sftp/AbstractSftpClientTestSupport.java | 106 +
.../sftp/DefaultCloseableHandleTest.java | 87 +
.../client/subsystem/sftp/SftpCommandMain.java | 36 +
.../subsystem/sftp/SftpFileSystemTest.java | 494 ++++
.../sshd/client/subsystem/sftp/SftpTest.java | 1500 ++++++++++
.../subsystem/sftp/SftpVersionSelectorTest.java | 134 +
.../client/subsystem/sftp/SftpVersionsTest.java | 510 ++++
.../BuiltinSftpClientExtensionsTest.java | 84 +
.../helpers/AbstractCheckFileExtensionTest.java | 228 ++
.../helpers/AbstractMD5HashExtensionTest.java | 177 ++
.../helpers/CopyDataExtensionImplTest.java | 192 ++
.../helpers/CopyFileExtensionImplTest.java | 96 +
.../SpaceAvailableExtensionImplTest.java | 101 +
.../openssh/helpers/OpenSSHExtensionsTest.java | 207 ++
.../subsystem/sftp/SftpConstantsTest.java | 75 +
.../sftp/SftpUniversalOwnerAndGroupTest.java | 70 +
.../sftp/SftpSubsystemFactoryTest.java | 101 +
.../server/subsystem/sftp/SshFsMounter.java | 327 +++
sshd-spring-sftp/pom.xml | 5 +
.../sftp/ApacheSshdSftpSessionFactory.java | 3 +-
256 files changed, 23866 insertions(+), 23207 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/README.md
----------------------------------------------------------------------
diff --git a/README.md b/README.md
index 8d0c018..52c5180 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ Optional dependency to enable choosing between NIO asynchronous sockets (the def
<groupId>org.apache.mina</groupId>
<artifactId>mina-core</artifactId>
<!-- see SSHD POM for latest tested known version of MINA core -->
- <version>2.0.6</version>
+ <version>2.0.17</version>
</dependency>
```
@@ -382,7 +382,6 @@ The usage of a `FileSystemFactory` is not limited though to the server only - th
it in order to retrieve the *local* path for upload/download-ing files/folders. This means that the client side can also
be tailored to present different views for different clients
-
## `ExecutorService`-s
The framework requires from time to time spawning some threads in order to function correctly - e.g., commands, SFTP subsystem,
@@ -520,6 +519,41 @@ due to SCP protocol limitations one cannot change the **size** of the input/outp
## SFTP
+Both client-side and server-side SFTP are supported. Starting from SSHD 1.8.0, the SFTP related code is located in the `sshd-sftp`, so you need to add this additional dependency to your maven project:
+
+```xml
+
+ <dependency>
+ <groupId>org.apache.sshd</groupId>
+ <artifactId>sshd-sftp</artifactId>
+ <version>...same as sshd-core...</version>
+ </dependency>
+
+```
+
+### Server-side SFTP
+
+On the server side, the following code needs to be added:
+
+```java
+
+ SftpSubsystemFactory factory = new SftpSubsystemFactory.Builder()
+ .build();
+ server.setSubsystemFactories(Collections.singletonList(factory));
+
+```
+
+### Client-side SFTP
+
+```java
+
+ SftpClient client = SftpClientFactory.instance().createSftpClient(session);
+
+```
+
+### `SftpEventListener`
+
+See above...
In addition to the `SftpEventListener` there are a few more SFTP-related special interfaces and modules.
@@ -545,7 +579,7 @@ range.
session.addPasswordIdentity(password);
session.auth.verify(timeout);
- try (SftpClient sftp = session.createSftpClient(myVersionSelector)) {
+ try (SftpClient sftp = SftpClientFactory.instance().createSftpClient(session, myVersionSelector)) {
... do SFTP related stuff...
}
}
@@ -558,73 +592,30 @@ configuration key. For more advanced restrictions one needs to sub-class `SftpSu
`SftpSubsystemFactory` that uses the sub-classed code.
-### Registering a custom `SftpClientFactory`
+### Using a custom `SftpClientFactory`
The code creates `SftpClient`-s and `SftpFileSystem`-s using a default built-in `SftpClientFactory` instance (see
-`DefaultSftpClientFactory`). Users may choose to register a custom factory in order to provide their own
+`DefaultSftpClientFactory`). Users may choose to use a custom factory in order to provide their own
implementations - e.g., in order to override some default behavior. The custom factory may be registered either at
the client or session level - e.g.:
```java
SshClient client = ... setup client...
- client.setSftpClientFactory(new MySuperDuperSftpClientFactory());
try (ClientSession session = client.connect(user, host, port).verify(timeout).getSession()) {
// override the default factory with a special one - but only for this session
- session.setSftpClientFactory(new SpecialSessionSftpClientFactory());
+ session.setSftpClientFactory();
session.addPasswordIdentity(password);
session.auth.verify(timeout);
- try (SftpClient sftp = session.createSftpClient()) {
+ try (SftpClient sftp = new SpecialSessionSftpClientFactory().createSftpClient()) {
... instance created through SpecialSessionSftpClientFactory ...
}
}
```
-If no factory provided or factory set to _null_ then code reverts to using the default built-in one. **Note:** setting
-the factory to _null_ on the session level, simply delegates the creation to whatever factory is registered at the
-client level - default or custom.
-
-```java
-
- SshClient client = ... setup client...
- client.setSftpClientFactory(new MySuperDuperSftpClientFactory());
-
- try (ClientSession session = client.connect(user, host, port).verify(timeout).getSession()) {
- // override the default factory with a special one - but only for this session
- session.setSftpClientFactory(new SpecialSessionSftpClientFactory());
- session.addPasswordIdentity(password);
- session.auth.verify(timeout);
-
- try (SftpClient sftp = session.createSftpClient()) {
- ... instance created through SpecialSessionSftpClientFactory ...
- }
-
- // revert to one from client
- session.setSftpClientFactory(null);
-
- try (SftpClient sftp = session.createSftpClient()) {
- ... instance created through MySuperDuperSftpClientFactory ...
- }
-
- // remove client-level factory
- client.setSftpClientFactory(null);
-
- try (SftpClient sftp = session.createSftpClient()) {
- ... instance created through built-in DefaultSftpClientFactory ...
- }
-
- // re-instate session-level factory
- session.setSftpClientFactory(new SpecialSessionSftpClientFactory());
-
- try (SftpClient sftp = session.createSftpClient()) {
- ... instance created through SpecialSessionSftpClientFactory ...
- }
- }
-
-```
### Using `SftpFileSystemProvider` to create an `SftpFileSystem`
@@ -783,7 +774,7 @@ UTF-8 is used. **Note:** the value can be a charset name or a `java.nio.charset.
PropertyResolverUtils.updateProperty(session, SftpClient.NAME_DECODING_CHARSET, "ISO-8859-4");
session.authenticate(...);
- try (SftpClient sftp = session.createSftpClient()) {
+ try (SftpClient sftp = SftpClientFactory.instance().createSftpClient(session)) {
for (DirEntry entry : sftp.readDir(...some path...)) {
...handle entry assuming ISO-8859-4 (inherited from the session) encoded names...
}
@@ -799,58 +790,6 @@ UTF-8 is used. **Note:** the value can be a charset name or a `java.nio.charset.
```
-Another option is to register a custom `SftpClientFactory` and create a `DefaultSftpClient` that overrides `getReferencedName` method:
-
-```java
-
-public class MyCustomSftpClient extends DefaultSftpClient {
- public MyCustomSftpClient(ClientSession session) {
- super(session);
- }
-
- @Override
- protected String getReferencedName(int cmd, Buffer buf) {
- byte[] bytes = buf.getBytes();
- Charset cs = detectCharset(bytes);
- return new String(bytes, cs);
- }
-
- @Override
- protected <B extends Buffer> B putReferencedName(int cmd, B buf, String name) {
- Charset cs = detectCharset(name);
- buf.putString(name, cs);
- return buf;
- }
-}
-
-public class MyCustomSftpClientFactory extends DefaultSftpClientFactory {
- public MyCustomSftpClientFactory() {
- super();
- }
-
- protected DefaultSftpClient createDefaultSftpClient(ClientSession session, SftpVersionSelector selector) throws IOException {
- return MyCustomSftpClient(session);
- }
-}
-
- // Usage - register at client level and affect ALL SFTP interactions
- SshClient client = ... setup/obtain an instance...
- client.setSftpClientFactory(new MyCustomSftpClientFactory());
-
- // Usage - selective session registration
- SshClient client = ... setup/obtain an instance...
- try (ClientSession session = client.connect(...)) {
- if (...something special about the host/port/etc....) {
- // affect only SFTP interactions for this session
- session.setSftpClientFactory(new MyCustomSftpClientFactory());
- }
- }
-
-
-```
-
-### Supported SFTP extensions
-
Both client and server support several of the SFTP extensions specified in various drafts:
* `supported` - [DRAFT 05 - section 4.4](http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-05.tx)
@@ -887,7 +826,7 @@ On the client side, all the supported extensions are classes that implement `Sft
session.addPasswordIdentity(password);
session.auth().verify(timeout);
- try (SftpClient sftp = session.createSftpClient()) {
+ try (SftpClient sftp = SftpClientFactory.instance().createSftpClient(session)) {
Map<String, byte[]> extensions = sftp.getServerExtensions();
// Key=extension name, value=registered parser instance
Map<String, ?> data = ParserUtils.parse(extensions);
@@ -919,7 +858,7 @@ One can skip all the conditional code if a specific known extension is required:
session.addPasswordIdentity(password);
session.auth().verify(timeout);
- try (SftpClient sftp = session.createSftpClient()) {
+ try (SftpClient sftp = SftpClientFactory.instance().createSftpClient(session)) {
// Returns null if extension is not supported by remote server
SpaceAvailableExtension space = sftp.getExtension(SpaceAvailableExtension.class);
if (space != null) {
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/assembly/pom.xml
----------------------------------------------------------------------
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 97500ba..85eab19 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -42,6 +42,11 @@
<version>${project.version}</version>
</dependency>
<dependency>
+ <groupId>org.apache.sshd</groupId>
+ <artifactId>sshd-sftp</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-jdk14</artifactId>
</dependency>
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/pom.xml
----------------------------------------------------------------------
diff --git a/pom.xml b/pom.xml
index 6dafdeb..ea73bb4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1004,6 +1004,7 @@
<modules>
<module>sshd-core</module>
+ <module>sshd-sftp</module>
<module>sshd-mina</module>
<module>sshd-ldap</module>
<module>sshd-git</module>
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-contrib/pom.xml
----------------------------------------------------------------------
diff --git a/sshd-contrib/pom.xml b/sshd-contrib/pom.xml
index 1e6430e..3f49df8 100644
--- a/sshd-contrib/pom.xml
+++ b/sshd-contrib/pom.xml
@@ -51,6 +51,11 @@
<artifactId>sshd-core</artifactId>
<version>${project.version}</version>
</dependency>
+ <dependency>
+ <groupId>org.apache.sshd</groupId>
+ <artifactId>sshd-sftp</artifactId>
+ <version>${project.version}</version>
+ </dependency>
<!-- For ed25519 support -->
<dependency>
<groupId>net.i2p.crypto</groupId>
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-contrib/src/test/java/org/apache/sshd/server/subsystem/sftp/SimpleAccessControlSftpEventListenerTest.java
----------------------------------------------------------------------
diff --git a/sshd-contrib/src/test/java/org/apache/sshd/server/subsystem/sftp/SimpleAccessControlSftpEventListenerTest.java b/sshd-contrib/src/test/java/org/apache/sshd/server/subsystem/sftp/SimpleAccessControlSftpEventListenerTest.java
index 6f90d3d..ddbe162 100644
--- a/sshd-contrib/src/test/java/org/apache/sshd/server/subsystem/sftp/SimpleAccessControlSftpEventListenerTest.java
+++ b/sshd-contrib/src/test/java/org/apache/sshd/server/subsystem/sftp/SimpleAccessControlSftpEventListenerTest.java
@@ -30,6 +30,7 @@ import org.apache.sshd.client.session.ClientSession;
import org.apache.sshd.client.subsystem.sftp.SftpClient;
import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
import org.apache.sshd.client.subsystem.sftp.SftpClient.OpenMode;
+import org.apache.sshd.client.subsystem.sftp.SftpClientFactory;
import org.apache.sshd.common.file.FileSystemFactory;
import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;
import org.apache.sshd.common.subsystem.sftp.SftpConstants;
@@ -101,7 +102,7 @@ public class SimpleAccessControlSftpEventListenerTest extends BaseTestSupport {
session.addPasswordIdentity(getCurrentTestName());
session.auth().verify(5L, TimeUnit.SECONDS);
- try (SftpClient sftp = session.createSftpClient()) {
+ try (SftpClient sftp = SftpClientFactory.instance().createSftpClient(session)) {
String file = Utils.resolveRelativeRemotePath(parentPath, testFile);
try (CloseableHandle handle = sftp.open(file, OpenMode.Read)) {
byte[] actual = new byte[data.length];
@@ -151,7 +152,7 @@ public class SimpleAccessControlSftpEventListenerTest extends BaseTestSupport {
session.addPasswordIdentity(getCurrentTestName());
session.auth().verify(5L, TimeUnit.SECONDS);
- try (SftpClient sftp = session.createSftpClient()) {
+ try (SftpClient sftp = SftpClientFactory.instance().createSftpClient(session)) {
String folder = Utils.resolveRelativeRemotePath(parentPath, targetPath);
for (SftpClient.DirEntry entry : sftp.readDir(folder)) {
assertNotNull("No entry", entry);
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/ClientFactoryManager.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/ClientFactoryManager.java b/sshd-core/src/main/java/org/apache/sshd/client/ClientFactoryManager.java
index 7627020..31b2a22 100644
--- a/sshd-core/src/main/java/org/apache/sshd/client/ClientFactoryManager.java
+++ b/sshd-core/src/main/java/org/apache/sshd/client/ClientFactoryManager.java
@@ -21,7 +21,6 @@ package org.apache.sshd.client;
import org.apache.sshd.client.config.hosts.HostConfigEntryResolver;
import org.apache.sshd.client.config.keys.ClientIdentityLoader;
import org.apache.sshd.client.session.ClientProxyConnectorHolder;
-import org.apache.sshd.client.subsystem.sftp.SftpClientFactoryManager;
import org.apache.sshd.common.FactoryManager;
import org.apache.sshd.common.config.keys.FilePasswordProvider;
import org.apache.sshd.common.scp.ScpFileOpenerHolder;
@@ -34,7 +33,6 @@ import org.apache.sshd.common.scp.ScpFileOpenerHolder;
*/
public interface ClientFactoryManager
extends FactoryManager,
- SftpClientFactoryManager,
ScpFileOpenerHolder,
ClientProxyConnectorHolder,
ClientAuthenticationManager {
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/SshClient.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/SshClient.java b/sshd-core/src/main/java/org/apache/sshd/client/SshClient.java
index 7a185d1..0874b93 100644
--- a/sshd-core/src/main/java/org/apache/sshd/client/SshClient.java
+++ b/sshd-core/src/main/java/org/apache/sshd/client/SshClient.java
@@ -87,8 +87,6 @@ import org.apache.sshd.client.session.ClientUserAuthServiceFactory;
import org.apache.sshd.client.session.SessionFactory;
import org.apache.sshd.client.simple.AbstractSimpleClientSessionCreator;
import org.apache.sshd.client.simple.SimpleClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClientFactory;
-import org.apache.sshd.client.subsystem.sftp.impl.DefaultSftpClientFactory;
import org.apache.sshd.common.Closeable;
import org.apache.sshd.common.Factory;
import org.apache.sshd.common.FactoryManager;
@@ -214,7 +212,6 @@ public class SshClient extends AbstractFactoryManager implements ClientFactoryMa
private FilePasswordProvider filePasswordProvider;
private PasswordIdentityProvider passwordIdentityProvider;
private ScpFileOpener scpOpener;
- private SftpClientFactory sftpClientFactory;
private final List<Object> identities = new CopyOnWriteArrayList<>();
private final AuthenticationIdentitiesProvider identitiesProvider;
@@ -253,16 +250,6 @@ public class SshClient extends AbstractFactoryManager implements ClientFactoryMa
}
@Override
- public SftpClientFactory getSftpClientFactory() {
- return (sftpClientFactory == null) ? DefaultSftpClientFactory.INSTANCE : sftpClientFactory;
- }
-
- @Override
- public void setSftpClientFactory(SftpClientFactory sftpClientFactory) {
- this.sftpClientFactory = sftpClientFactory;
- }
-
- @Override
public ServerKeyVerifier getServerKeyVerifier() {
return serverKeyVerifier;
}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/session/AbstractClientSession.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/session/AbstractClientSession.java b/sshd-core/src/main/java/org/apache/sshd/client/session/AbstractClientSession.java
index 6a1a15d..d57a799 100644
--- a/sshd-core/src/main/java/org/apache/sshd/client/session/AbstractClientSession.java
+++ b/sshd-core/src/main/java/org/apache/sshd/client/session/AbstractClientSession.java
@@ -21,7 +21,6 @@ package org.apache.sshd.client.session;
import java.io.IOException;
import java.net.SocketAddress;
-import java.nio.file.FileSystem;
import java.security.KeyPair;
import java.security.PublicKey;
import java.util.EnumMap;
@@ -43,9 +42,6 @@ import org.apache.sshd.client.channel.ClientChannel;
import org.apache.sshd.client.keyverifier.ServerKeyVerifier;
import org.apache.sshd.client.scp.DefaultScpClient;
import org.apache.sshd.client.scp.ScpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClientFactory;
-import org.apache.sshd.client.subsystem.sftp.SftpVersionSelector;
import org.apache.sshd.common.FactoryManager;
import org.apache.sshd.common.NamedFactory;
import org.apache.sshd.common.NamedResource;
@@ -90,7 +86,6 @@ public abstract class AbstractClientSession extends AbstractSession implements C
private ScpFileOpener scpOpener;
private SocketAddress connectAddress;
private ClientProxyConnector proxyConnector;
- private SftpClientFactory sftpClientFactory;
protected AbstractClientSession(ClientFactoryManager factoryManager, IoSession ioSession) {
super(false, factoryManager, ioSession);
@@ -167,16 +162,6 @@ public abstract class AbstractClientSession extends AbstractSession implements C
}
@Override
- public SftpClientFactory getSftpClientFactory() {
- return resolveEffectiveProvider(SftpClientFactory.class, sftpClientFactory, getFactoryManager().getSftpClientFactory());
- }
-
- @Override
- public void setSftpClientFactory(SftpClientFactory sftpClientFactory) {
- this.sftpClientFactory = sftpClientFactory;
- }
-
- @Override
public void addPasswordIdentity(String password) {
// DO NOT USE checkNotNullOrNotEmpty SINCE IT TRIMS THE RESULT
ValidateUtils.checkTrue((password != null) && (!password.isEmpty()), "No password provided");
@@ -341,18 +326,6 @@ public abstract class AbstractClientSession extends AbstractSession implements C
}
@Override
- public SftpClient createSftpClient(SftpVersionSelector selector) throws IOException {
- SftpClientFactory factory = getSftpClientFactory();
- return factory.createSftpClient(this, selector);
- }
-
- @Override
- public FileSystem createSftpFileSystem(SftpVersionSelector selector, int readBufferSize, int writeBufferSize) throws IOException {
- SftpClientFactory factory = getSftpClientFactory();
- return factory.createSftpFileSystem(this, selector, readBufferSize, writeBufferSize);
- }
-
- @Override
public SshdSocketAddress startLocalPortForwarding(SshdSocketAddress local, SshdSocketAddress remote) throws IOException {
ForwardingFilter filter = getForwardingFilter();
return filter.startLocalPortForwarding(local, remote);
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/session/ClientSession.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/session/ClientSession.java b/sshd-core/src/main/java/org/apache/sshd/client/session/ClientSession.java
index b807f17..96caf2e 100644
--- a/sshd-core/src/main/java/org/apache/sshd/client/session/ClientSession.java
+++ b/sshd-core/src/main/java/org/apache/sshd/client/session/ClientSession.java
@@ -45,8 +45,6 @@ import org.apache.sshd.client.future.AuthFuture;
import org.apache.sshd.client.scp.ScpClientCreator;
import org.apache.sshd.client.session.forward.DynamicPortForwardingTracker;
import org.apache.sshd.client.session.forward.ExplicitPortForwardingTracker;
-import org.apache.sshd.client.subsystem.sftp.SftpClientCreator;
-import org.apache.sshd.client.subsystem.sftp.SftpClientFactoryManager;
import org.apache.sshd.common.forward.PortForwardingManager;
import org.apache.sshd.common.future.KeyExchangeFuture;
import org.apache.sshd.common.session.Session;
@@ -83,7 +81,7 @@ import org.apache.sshd.common.util.net.SshdSocketAddress;
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public interface ClientSession
- extends Session, ScpClientCreator, SftpClientCreator, SftpClientFactoryManager,
+ extends Session, ScpClientCreator,
ClientProxyConnectorHolder, ClientAuthenticationManager,
PortForwardingManager {
enum ClientSessionEvent {
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/simple/AbstractSimpleClient.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/simple/AbstractSimpleClient.java b/sshd-core/src/main/java/org/apache/sshd/client/simple/AbstractSimpleClient.java
index a5420c7..247be60 100644
--- a/sshd-core/src/main/java/org/apache/sshd/client/simple/AbstractSimpleClient.java
+++ b/sshd-core/src/main/java/org/apache/sshd/client/simple/AbstractSimpleClient.java
@@ -30,7 +30,6 @@ import java.util.Objects;
import org.apache.sshd.client.scp.CloseableScpClient;
import org.apache.sshd.client.scp.ScpClient;
import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
import org.apache.sshd.common.util.GenericUtils;
import org.apache.sshd.common.util.ValidateUtils;
import org.apache.sshd.common.util.logging.AbstractLoggingBean;
@@ -44,105 +43,6 @@ public abstract class AbstractSimpleClient extends AbstractLoggingBean implement
}
@Override
- public SftpClient sftpLogin(SocketAddress target, String username, String password) throws IOException {
- return createSftpClient(sessionLogin(target, username, password));
- }
-
- @Override
- public SftpClient sftpLogin(SocketAddress target, String username, KeyPair identity) throws IOException {
- return createSftpClient(sessionLogin(target, username, identity));
- }
-
- protected SftpClient createSftpClient(final ClientSession session) throws IOException {
- Exception err = null;
- try {
- SftpClient client = session.createSftpClient();
- try {
- return createSftpClient(session, client);
- } catch (Exception e) {
- err = GenericUtils.accumulateException(err, e);
- try {
- client.close();
- } catch (Exception t) {
- if (log.isDebugEnabled()) {
- log.debug("createSftpClient({}) failed ({}) to close client: {}",
- session, t.getClass().getSimpleName(), t.getMessage());
- }
-
- if (log.isTraceEnabled()) {
- log.trace("createSftpClient(" + session + ") client close failure details", t);
- }
- err = GenericUtils.accumulateException(err, t);
- }
- }
- } catch (Exception e) {
- err = GenericUtils.accumulateException(err, e);
- }
-
- // This point is reached if error occurred
- log.warn("createSftpClient({}) failed ({}) to create session: {}",
- session, err.getClass().getSimpleName(), err.getMessage());
-
- try {
- session.close();
- } catch (Exception e) {
- if (log.isDebugEnabled()) {
- log.debug("createSftpClient({}) failed ({}) to close session: {}",
- session, e.getClass().getSimpleName(), e.getMessage());
- }
-
- if (log.isTraceEnabled()) {
- log.trace("createSftpClient(" + session + ") session close failure details", e);
- }
- err = GenericUtils.accumulateException(err, e);
- }
-
- if (err instanceof IOException) {
- throw (IOException) err;
- } else {
- throw new IOException(err);
- }
- }
-
- protected SftpClient createSftpClient(final ClientSession session, final SftpClient client) throws IOException {
- ClassLoader loader = getClass().getClassLoader();
- Class<?>[] interfaces = {SftpClient.class};
- return (SftpClient) Proxy.newProxyInstance(loader, interfaces, (proxy, method, args) -> {
- Throwable err = null;
- Object result = null;
- String name = method.getName();
- try {
- result = method.invoke(client, args);
- } catch (Throwable t) {
- if (log.isTraceEnabled()) {
- log.trace("invoke(SftpClient#{}) failed ({}) to execute: {}",
- name, t.getClass().getSimpleName(), t.getMessage());
- }
- err = GenericUtils.accumulateException(err, t);
- }
-
- // propagate the "close" call to the session as well
- if ("close".equals(name) && GenericUtils.isEmpty(args)) {
- try {
- session.close();
- } catch (Throwable t) {
- if (log.isDebugEnabled()) {
- log.debug("invoke(ClientSession#{}) failed ({}) to execute: {}",
- name, t.getClass().getSimpleName(), t.getMessage());
- }
- err = GenericUtils.accumulateException(err, t);
- }
- }
-
- if (err != null) {
- throw err;
- }
-
- return result;
- });
- }
-
- @Override
public CloseableScpClient scpLogin(String host, String username, String password) throws IOException {
return scpLogin(host, DEFAULT_PORT, username, password);
}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/simple/SimpleClient.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/simple/SimpleClient.java b/sshd-core/src/main/java/org/apache/sshd/client/simple/SimpleClient.java
index fa5510d..6fff133 100644
--- a/sshd-core/src/main/java/org/apache/sshd/client/simple/SimpleClient.java
+++ b/sshd-core/src/main/java/org/apache/sshd/client/simple/SimpleClient.java
@@ -32,7 +32,6 @@ public interface SimpleClient
extends SimpleClientConfigurator,
SimpleSessionClient,
SimpleScpClient,
- SimpleSftpClient,
Channel {
// marker interface
}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/simple/SimpleSftpClient.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/simple/SimpleSftpClient.java b/sshd-core/src/main/java/org/apache/sshd/client/simple/SimpleSftpClient.java
deleted file mode 100644
index 119b9e2..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/simple/SimpleSftpClient.java
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.simple;
-
-import java.io.IOException;
-import java.net.InetAddress;
-import java.net.InetSocketAddress;
-import java.net.SocketAddress;
-import java.nio.channels.Channel;
-import java.security.KeyPair;
-import java.util.Objects;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.common.util.ValidateUtils;
-
-/**
- * A simplified <U>synchronous</U> API for obtaining SFTP sessions.
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SimpleSftpClient extends SimpleClientConfigurator, Channel {
- /**
- * Creates an SFTP session on the default port and logs in using the provided credentials
- *
- * @param host The target host name or address
- * @param username Username
- * @param password Password
- * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
- * underlying session
- * @throws IOException If failed to login or authenticate
- */
- default SftpClient sftpLogin(String host, String username, String password) throws IOException {
- return sftpLogin(host, DEFAULT_PORT, username, password);
- }
-
- /**
- * Creates an SFTP session using the provided credentials
- *
- * @param host The target host name or address
- * @param port The target port
- * @param username Username
- * @param password Password
- * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
- * underlying session
- * @throws IOException If failed to login or authenticate
- */
- default SftpClient sftpLogin(String host, int port, String username, String password) throws IOException {
- return sftpLogin(InetAddress.getByName(ValidateUtils.checkNotNullAndNotEmpty(host, "No host")), port, username, password);
- }
-
- /**
- * Creates an SFTP session on the default port and logs in using the provided credentials
- *
- * @param host The target host name or address
- * @param username Username
- * @param identity The {@link KeyPair} identity
- * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
- * underlying session
- * @throws IOException If failed to login or authenticate
- */
- default SftpClient sftpLogin(String host, String username, KeyPair identity) throws IOException {
- return sftpLogin(host, DEFAULT_PORT, username, identity);
- }
-
- /**
- * Creates an SFTP session using the provided credentials
- *
- * @param host The target host name or address
- * @param port The target port
- * @param username Username
- * @param identity The {@link KeyPair} identity
- * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
- * underlying session
- * @throws IOException If failed to login or authenticate
- */
- default SftpClient sftpLogin(String host, int port, String username, KeyPair identity) throws IOException {
- return sftpLogin(InetAddress.getByName(ValidateUtils.checkNotNullAndNotEmpty(host, "No host")), port, username, identity);
- }
-
- /**
- * Creates an SFTP session on the default port and logs in using the provided credentials
- *
- * @param host The target host {@link InetAddress}
- * @param username Username
- * @param password Password
- * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
- * underlying session
- * @throws IOException If failed to login or authenticate
- */
- default SftpClient sftpLogin(InetAddress host, String username, String password) throws IOException {
- return sftpLogin(host, DEFAULT_PORT, username, password);
- }
-
- /**
- * Creates an SFTP session using the provided credentials
- *
- * @param host The target host {@link InetAddress}
- * @param port The target port
- * @param username Username
- * @param password Password
- * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
- * underlying session
- * @throws IOException If failed to login or authenticate
- */
- default SftpClient sftpLogin(InetAddress host, int port, String username, String password) throws IOException {
- return sftpLogin(new InetSocketAddress(Objects.requireNonNull(host, "No host address"), port), username, password);
- }
-
- /**
- * Creates an SFTP session on the default port and logs in using the provided credentials
- *
- * @param host The target host {@link InetAddress}
- * @param username Username
- * @param identity The {@link KeyPair} identity
- * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
- * underlying session
- * @throws IOException If failed to login or authenticate
- */
- default SftpClient sftpLogin(InetAddress host, String username, KeyPair identity) throws IOException {
- return sftpLogin(host, DEFAULT_PORT, username, identity);
- }
-
- /**
- * Creates an SFTP session using the provided credentials
- *
- * @param host The target host {@link InetAddress}
- * @param port The target port
- * @param username Username
- * @param identity The {@link KeyPair} identity
- * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
- * underlying session
- * @throws IOException If failed to login or authenticate
- */
- default SftpClient sftpLogin(InetAddress host, int port, String username, KeyPair identity) throws IOException {
- return sftpLogin(new InetSocketAddress(Objects.requireNonNull(host, "No host address"), port), username, identity);
- }
-
- /**
- * Creates an SFTP session using the provided credentials
- *
- * @param target The target {@link SocketAddress}
- * @param username Username
- * @param password Password
- * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
- * underlying session
- * @throws IOException If failed to login or authenticate
- */
- SftpClient sftpLogin(SocketAddress target, String username, String password) throws IOException;
-
- /**
- * Creates an SFTP session using the provided credentials
- *
- * @param target The target {@link SocketAddress}
- * @param username Username
- * @param identity The {@link KeyPair} identity
- * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
- * underlying session
- * @throws IOException If failed to login or authenticate
- */
- SftpClient sftpLogin(SocketAddress target, String username, KeyPair identity) throws IOException;
-
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/RawSftpClient.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/RawSftpClient.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/RawSftpClient.java
deleted file mode 100644
index 676a03e..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/RawSftpClient.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-
-import org.apache.sshd.common.util.buffer.Buffer;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface RawSftpClient {
- /**
- * @param cmd Command to send - <B>Note:</B> only lower 8-bits are used
- * @param buffer The {@link Buffer} containing the command data
- * @return The assigned request id
- * @throws IOException if failed to send command
- */
- int send(int cmd, Buffer buffer) throws IOException;
-
- /**
- * @param id The expected request id
- * @return The received response {@link Buffer} containing the request id
- * @throws IOException If connection closed or interrupted
- */
- Buffer receive(int id) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpAclFileAttributeView.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpAclFileAttributeView.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpAclFileAttributeView.java
deleted file mode 100644
index 7cada6e..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpAclFileAttributeView.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.LinkOption;
-import java.nio.file.Path;
-import java.nio.file.attribute.AclEntry;
-import java.nio.file.attribute.AclFileAttributeView;
-import java.nio.file.attribute.PosixFileAttributes;
-import java.nio.file.attribute.UserPrincipal;
-import java.util.List;
-
-import org.apache.sshd.client.subsystem.sftp.impl.AbstractSftpFileAttributeView;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpAclFileAttributeView extends AbstractSftpFileAttributeView implements AclFileAttributeView {
- public SftpAclFileAttributeView(SftpFileSystemProvider provider, Path path, LinkOption... options) {
- super(provider, path, options);
- }
-
- @Override
- public UserPrincipal getOwner() throws IOException {
- PosixFileAttributes v = provider.readAttributes(path, PosixFileAttributes.class, options);
- return v.owner();
- }
-
- @Override
- public void setOwner(UserPrincipal owner) throws IOException {
- provider.setAttribute(path, "posix", "owner", owner, options);
- }
-
- @Override
- public String name() {
- return "acl";
- }
-
- @Override
- public List<AclEntry> getAcl() throws IOException {
- return readRemoteAttributes().getAcl();
- }
-
- @Override
- public void setAcl(List<AclEntry> acl) throws IOException {
- writeRemoteAttributes(new SftpClient.Attributes().acl(acl));
- }
-
-}
[04/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpTest.java
new file mode 100644
index 0000000..408fed2
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpTest.java
@@ -0,0 +1,1500 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.EOFException;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.SocketTimeoutException;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.nio.channels.SeekableByteChannel;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.CopyOption;
+import java.nio.file.DirectoryStream;
+import java.nio.file.FileSystem;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.OpenOption;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardOpenOption;
+import java.nio.file.attribute.FileAttribute;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Date;
+import java.util.EnumSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.TreeSet;
+import java.util.Vector;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.atomic.AtomicReference;
+
+import com.jcraft.jsch.ChannelSftp;
+import com.jcraft.jsch.JSch;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Attributes;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.OpenMode;
+import org.apache.sshd.client.subsystem.sftp.extensions.BuiltinSftpClientExtensions;
+import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
+import org.apache.sshd.common.Factory;
+import org.apache.sshd.common.FactoryManager;
+import org.apache.sshd.common.NamedFactory;
+import org.apache.sshd.common.OptionalFeature;
+import org.apache.sshd.common.PropertyResolverUtils;
+import org.apache.sshd.common.channel.WindowClosedException;
+import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;
+import org.apache.sshd.common.random.Random;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.subsystem.sftp.extensions.AclSupportedParser.AclCapabilities;
+import org.apache.sshd.common.subsystem.sftp.extensions.NewlineParser.Newline;
+import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
+import org.apache.sshd.common.subsystem.sftp.extensions.Supported2Parser.Supported2;
+import org.apache.sshd.common.subsystem.sftp.extensions.SupportedParser.Supported;
+import org.apache.sshd.common.subsystem.sftp.extensions.VersionsParser.Versions;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.AbstractOpenSSHExtensionParser.OpenSSHExtension;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.OsUtils;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.server.Command;
+import org.apache.sshd.server.session.ServerSession;
+import org.apache.sshd.server.subsystem.sftp.AbstractSftpEventListenerAdapter;
+import org.apache.sshd.server.subsystem.sftp.AbstractSftpSubsystemHelper;
+import org.apache.sshd.server.subsystem.sftp.DirectoryHandle;
+import org.apache.sshd.server.subsystem.sftp.FileHandle;
+import org.apache.sshd.server.subsystem.sftp.Handle;
+import org.apache.sshd.server.subsystem.sftp.SftpEventListener;
+import org.apache.sshd.server.subsystem.sftp.SftpEventListenerManager;
+import org.apache.sshd.server.subsystem.sftp.SftpFileSystemAccessor;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemEnvironment;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
+import org.apache.sshd.util.test.SimpleUserInfo;
+import org.apache.sshd.util.test.Utils;
+import org.junit.After;
+import org.junit.Assume;
+import org.junit.Before;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class SftpTest extends AbstractSftpClientTestSupport {
+ private static final Map<String, OptionalFeature> EXPECTED_EXTENSIONS = AbstractSftpSubsystemHelper.DEFAULT_SUPPORTED_CLIENT_EXTENSIONS;
+
+ private com.jcraft.jsch.Session session;
+
+ public SftpTest() throws IOException {
+ super();
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ setupServer();
+ JSch sch = new JSch();
+ session = sch.getSession("sshd", TEST_LOCALHOST, port);
+ session.setUserInfo(new SimpleUserInfo("sshd"));
+ session.connect();
+ }
+
+ @After
+ public void tearDown() throws Exception {
+ if (session != null) {
+ session.disconnect();
+ }
+ }
+
+ @Test // see SSHD-547
+ public void testWriteOffsetIgnoredForAppendMode() throws IOException {
+ Path targetPath = detectTargetFolder();
+ Path parentPath = targetPath.getParent();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Path testFile = assertHierarchyTargetFolderExists(lclSftp).resolve("file.txt");
+ Files.deleteIfExists(testFile);
+
+ byte[] expectedRandom = new byte[Byte.MAX_VALUE];
+ Factory<? extends Random> factory = sshd.getRandomFactory();
+ Random rnd = factory.create();
+ rnd.fill(expectedRandom);
+
+ byte[] expectedText = (getClass().getName() + "#" + getCurrentTestName()).getBytes(StandardCharsets.UTF_8);
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ String file = Utils.resolveRelativeRemotePath(parentPath, testFile);
+
+ try (CloseableHandle handle = sftp.open(file, OpenMode.Create, OpenMode.Write, OpenMode.Read, OpenMode.Append)) {
+ sftp.write(handle, 7365L, expectedRandom);
+ byte[] actualRandom = new byte[expectedRandom.length];
+ int readLen = sftp.read(handle, 0L, actualRandom);
+ assertEquals("Incomplete random data read", expectedRandom.length, readLen);
+ assertArrayEquals("Mismatched read random data", expectedRandom, actualRandom);
+
+ sftp.write(handle, 3777347L, expectedText);
+ byte[] actualText = new byte[expectedText.length];
+ readLen = sftp.read(handle, actualRandom.length, actualText);
+ assertEquals("Incomplete text data read", actualText.length, readLen);
+ assertArrayEquals("Mismatched read text data", expectedText, actualText);
+ }
+ }
+ }
+
+ byte[] actualBytes = Files.readAllBytes(testFile);
+ assertEquals("Mismatched result file size", expectedRandom.length + expectedText.length, actualBytes.length);
+
+ byte[] actualRandom = Arrays.copyOfRange(actualBytes, 0, expectedRandom.length);
+ assertArrayEquals("Mismatched random part", expectedRandom, actualRandom);
+
+ byte[] actualText = Arrays.copyOfRange(actualBytes, expectedRandom.length, actualBytes.length);
+ assertArrayEquals("Mismatched text part", expectedText, actualText);
+ }
+
+ @Test // see SSHD-545
+ public void testReadBufferLimit() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path parentPath = targetPath.getParent();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Path testFile = assertHierarchyTargetFolderExists(lclSftp).resolve("file.txt");
+ byte[] expected = new byte[1024];
+
+ Factory<? extends Random> factory = sshd.getRandomFactory();
+ Random rnd = factory.create();
+ rnd.fill(expected);
+ Files.write(testFile, expected);
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ String file = Utils.resolveRelativeRemotePath(parentPath, testFile);
+ byte[] actual = new byte[expected.length];
+ int maxAllowed = actual.length / 4;
+ // allow less than actual
+ PropertyResolverUtils.updateProperty(sshd, AbstractSftpSubsystemHelper.MAX_READDATA_PACKET_LENGTH_PROP, maxAllowed);
+ try (CloseableHandle handle = sftp.open(file, OpenMode.Read)) {
+ int readLen = sftp.read(handle, 0L, actual);
+ assertEquals("Mismatched read len", maxAllowed, readLen);
+
+ for (int index = 0; index < readLen; index++) {
+ byte expByte = expected[index];
+ byte actByte = actual[index];
+ if (expByte != actByte) {
+ fail("Mismatched values at index=" + index
+ + ": expected=0x" + Integer.toHexString(expByte & 0xFF)
+ + ", actual=0x" + Integer.toHexString(actByte & 0xFF));
+ }
+ }
+ } finally {
+ PropertyResolverUtils.updateProperty(sshd,
+ AbstractSftpSubsystemHelper.MAX_READDATA_PACKET_LENGTH_PROP,
+ AbstractSftpSubsystemHelper.DEFAULT_MAX_READDATA_PACKET_LENGTH);
+ }
+ }
+ }
+ }
+
+ @Test // see extra fix for SSHD-538
+ public void testNavigateBeyondRootFolder() throws Exception {
+ Path rootLocation = Paths.get(OsUtils.isUNIX() ? "/" : "C:\\");
+ final FileSystem fsRoot = rootLocation.getFileSystem();
+ sshd.setFileSystemFactory(session1 -> fsRoot);
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ String rootDir = sftp.canonicalPath("/");
+ String upDir = sftp.canonicalPath(rootDir + "/..");
+ assertEquals("Mismatched root dir parent", rootDir, upDir);
+ }
+ }
+ }
+
+ @Test // see SSHD-605
+ public void testCannotEscapeUserAbsoluteRoot() throws Exception {
+ testCannotEscapeRoot(true);
+ }
+
+ @Test // see SSHD-605
+ public void testCannotEscapeUserRelativeRoot() throws Exception {
+ testCannotEscapeRoot(false);
+ }
+
+ private void testCannotEscapeRoot(boolean useAbsolutePath) throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ assertHierarchyTargetFolderExists(lclSftp);
+ sshd.setFileSystemFactory(new VirtualFileSystemFactory(lclSftp));
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ String escapePath;
+ if (useAbsolutePath) {
+ escapePath = targetPath.toString();
+ if (OsUtils.isWin32()) {
+ escapePath = "/" + escapePath.replace(File.separatorChar, '/');
+ }
+ } else {
+ Path parent = lclSftp.getParent();
+ Path forbidden = Files.createDirectories(parent.resolve("forbidden"));
+ escapePath = "../" + forbidden.getFileName();
+ }
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ SftpClient.Attributes attrs = sftp.stat(escapePath);
+ fail("Unexpected escape success for path=" + escapePath + ": " + attrs);
+ } catch (SftpException e) {
+ int expected = OsUtils.isWin32() || (!useAbsolutePath)
+ ? SftpConstants.SSH_FX_INVALID_FILENAME
+ : SftpConstants.SSH_FX_NO_SUCH_FILE;
+ assertEquals("Mismatched status for " + escapePath,
+ SftpConstants.getStatusName(expected),
+ SftpConstants.getStatusName(e.getStatus()));
+ }
+ }
+ }
+
+ @Test
+ public void testNormalizeRemoteRootValues() throws Exception {
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ StringBuilder sb = new StringBuilder(Long.SIZE + 1);
+ String expected = sftp.canonicalPath("/");
+ for (int i = 0; i < Long.SIZE; i++) {
+ if (sb.length() > 0) {
+ sb.setLength(0);
+ }
+
+ for (int j = 1; j <= i; j++) {
+ sb.append('/');
+ }
+
+ String remotePath = sb.toString();
+ String actual = sftp.canonicalPath(remotePath);
+ assertEquals("Mismatched roots for " + remotePath.length() + " slashes", expected, actual);
+ }
+ }
+ }
+ }
+
+ @Test
+ public void testNormalizeRemotePathsValues() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path parentPath = targetPath.getParent();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Path testFile = assertHierarchyTargetFolderExists(lclSftp).resolve("file.txt");
+ String file = Utils.resolveRelativeRemotePath(parentPath, testFile);
+ String[] comps = GenericUtils.split(file, '/');
+
+ Factory<? extends Random> factory = client.getRandomFactory();
+ Random rnd = factory.create();
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ StringBuilder sb = new StringBuilder(file.length() + comps.length);
+ String expected = sftp.canonicalPath(file);
+ for (int i = 0; i < file.length(); i++) {
+ if (sb.length() > 0) {
+ sb.setLength(0);
+ }
+
+ sb.append(comps[0]);
+ for (int j = 1; j < comps.length; j++) {
+ String name = comps[j];
+ slashify(sb, rnd);
+ sb.append(name);
+ }
+ slashify(sb, rnd);
+
+ if (rnd.random(Byte.SIZE) < (Byte.SIZE / 2)) {
+ sb.append('.');
+ }
+
+ String remotePath = sb.toString();
+ String actual = sftp.canonicalPath(remotePath);
+ assertEquals("Mismatched canonical value for " + remotePath, expected, actual);
+ }
+ }
+ }
+ }
+
+ private static int slashify(StringBuilder sb, Random rnd) {
+ int slashes = 1 /* at least one slash */ + rnd.random(Byte.SIZE);
+ for (int k = 0; k < slashes; k++) {
+ sb.append('/');
+ }
+
+ return slashes;
+ }
+
+ @Test
+ public void testOpen() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path parentPath = targetPath.getParent();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Path clientFolder = lclSftp.resolve("client");
+ Path testFile = clientFolder.resolve("file.txt");
+ String file = Utils.resolveRelativeRemotePath(parentPath, testFile);
+
+ File javaFile = testFile.toFile();
+ assertHierarchyTargetFolderExists(javaFile.getParentFile());
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ javaFile.createNewFile();
+ javaFile.setWritable(false, false);
+ javaFile.setReadable(false, false);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ boolean isWindows = OsUtils.isWin32();
+
+ try (SftpClient.CloseableHandle h = sftp.open(file /* no mode == read */)) {
+ // NOTE: on Windows files are always readable
+ // see https://svn.apache.org/repos/asf/harmony/enhanced/java/branches/java6/classlib/modules/
+ // luni/src/test/api/windows/org/apache/harmony/luni/tests/java/io/WinFileTest.java
+ assertTrue("Empty read should have failed on " + file, isWindows);
+ } catch (IOException e) {
+ if (isWindows) {
+ throw e;
+ }
+ }
+
+ try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Write))) {
+ fail("Empty write should have failed on " + file);
+ } catch (IOException e) {
+ // ok
+ }
+
+ try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Truncate))) {
+ // NOTE: on Windows files are always readable
+ assertTrue("Empty truncate should have failed on " + file, isWindows);
+ } catch (IOException e) {
+ // ok
+ }
+
+ // NOTE: on Windows files are always readable
+ int perms = sftp.stat(file).getPermissions();
+ int readMask = isWindows ? 0 : SftpConstants.S_IRUSR;
+ int permsMask = SftpConstants.S_IWUSR | readMask;
+ assertEquals("Mismatched permissions for " + file + ": 0x" + Integer.toHexString(perms), 0, perms & permsMask);
+
+ javaFile.setWritable(true, false);
+
+ try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Truncate, SftpClient.OpenMode.Write))) {
+ // OK should succeed
+ assertTrue("Handle not marked as open for file=" + file, h.isOpen());
+ }
+
+ byte[] d = "0123456789\n".getBytes(StandardCharsets.UTF_8);
+ try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Write))) {
+ sftp.write(h, 0, d, 0, d.length);
+ sftp.write(h, d.length, d, 0, d.length);
+ }
+
+ try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Write))) {
+ sftp.write(h, d.length * 2, d, 0, d.length);
+ }
+
+ try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Write))) {
+ byte[] overwrite = "-".getBytes(StandardCharsets.UTF_8);
+ sftp.write(h, 3L, overwrite, 0, 1);
+ d[3] = overwrite[0];
+ }
+
+ try (SftpClient.CloseableHandle h = sftp.open(file /* no mode == read */)) {
+ // NOTE: on Windows files are always readable
+ assertTrue("Data read should have failed on " + file, isWindows);
+ } catch (IOException e) {
+ if (isWindows) {
+ throw e;
+ }
+ }
+
+ javaFile.setReadable(true, false);
+
+ byte[] buf = new byte[3];
+ try (SftpClient.CloseableHandle h = sftp.open(file /* no mode == read */)) {
+ int l = sftp.read(h, 2L, buf, 0, buf.length);
+ String expected = new String(d, 2, l, StandardCharsets.UTF_8);
+ String actual = new String(buf, 0, l, StandardCharsets.UTF_8);
+ assertEquals("Mismatched read data", expected, actual);
+ }
+ }
+ }
+ }
+
+ @Test
+ public void testInputStreamSkipAndReset() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path parentPath = targetPath.getParent();
+ Path localFile = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Files.createDirectories(localFile.getParent());
+ byte[] data = (getClass().getName() + "#" + getCurrentTestName() + "[" + localFile + "]").getBytes(StandardCharsets.UTF_8);
+ Files.write(localFile, data, StandardOpenOption.CREATE);
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session);
+ InputStream stream = sftp.read(Utils.resolveRelativeRemotePath(parentPath, localFile), OpenMode.Read)) {
+ assertFalse("Stream reported mark supported", stream.markSupported());
+ try {
+ stream.mark(data.length);
+ fail("Unexpected success to mark the read limit");
+ } catch (UnsupportedOperationException e) {
+ // expected - ignored
+ }
+
+ byte[] expected = new byte[data.length / 4];
+ int readLen = stream.read(expected);
+ assertEquals("Failed to read fully initial data", expected.length, readLen);
+
+ byte[] actual = new byte[readLen];
+ stream.reset();
+ readLen = stream.read(actual);
+ assertEquals("Failed to read fully reset data", actual.length, readLen);
+ assertArrayEquals("Mismatched re-read data contents", expected, actual);
+
+ System.arraycopy(data, 0, expected, 0, expected.length);
+ assertArrayEquals("Mismatched original data contents", expected, actual);
+
+ long skipped = stream.skip(readLen);
+ assertEquals("Mismatched skipped forward size", readLen, skipped);
+
+ readLen = stream.read(actual);
+ assertEquals("Failed to read fully skipped forward data", actual.length, readLen);
+
+ System.arraycopy(data, expected.length + readLen, expected, 0, expected.length);
+ assertArrayEquals("Mismatched skipped forward data contents", expected, actual);
+
+ skipped = stream.skip(0 - readLen);
+ assertEquals("Mismatched backward skip size", readLen, skipped);
+ readLen = stream.read(actual);
+ assertEquals("Failed to read fully skipped backward data", actual.length, readLen);
+ assertArrayEquals("Mismatched skipped backward data contents", expected, actual);
+ }
+ }
+ }
+
+ @Test
+ public void testSftpFileSystemAccessor() throws Exception {
+ List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
+ assertEquals("Mismatched subsystem factories count", 1, GenericUtils.size(factories));
+
+ NamedFactory<Command> f = factories.get(0);
+ assertObjectInstanceOf("Not an SFTP subsystem factory", SftpSubsystemFactory.class, f);
+
+ SftpSubsystemFactory factory = (SftpSubsystemFactory) f;
+ SftpFileSystemAccessor accessor = factory.getFileSystemAccessor();
+ try {
+ AtomicReference<Path> fileHolder = new AtomicReference<>();
+ AtomicReference<Path> dirHolder = new AtomicReference<>();
+ factory.setFileSystemAccessor(new SftpFileSystemAccessor() {
+ @Override
+ public SeekableByteChannel openFile(ServerSession session, SftpEventListenerManager subsystem, Path file,
+ String handle, Set<? extends OpenOption> options, FileAttribute<?>... attrs)
+ throws IOException {
+ fileHolder.set(file);
+ return SftpFileSystemAccessor.super.openFile(session, subsystem, file, handle, options, attrs);
+ }
+
+ @Override
+ public DirectoryStream<Path> openDirectory(
+ ServerSession session, SftpEventListenerManager subsystem, Path dir, String handle) throws IOException {
+ dirHolder.set(dir);
+ return SftpFileSystemAccessor.super.openDirectory(session, subsystem, dir, handle);
+ }
+
+ @Override
+ public String toString() {
+ return SftpFileSystemAccessor.class.getSimpleName() + "[" + getCurrentTestName() + "]";
+ }
+ });
+
+ Path targetPath = detectTargetFolder();
+ Path parentPath = targetPath.getParent();
+ Path localFile = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Files.createDirectories(localFile.getParent());
+ byte[] expected = (getClass().getName() + "#" + getCurrentTestName() + "[" + localFile + "]").getBytes(StandardCharsets.UTF_8);
+ Files.write(localFile, expected, StandardOpenOption.CREATE);
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ byte[] actual = new byte[expected.length];
+ try (InputStream stream = sftp.read(Utils.resolveRelativeRemotePath(parentPath, localFile), OpenMode.Read)) {
+ IoUtils.readFully(stream, actual);
+ }
+
+ Path remoteFile = fileHolder.getAndSet(null);
+ assertNotNull("No remote file holder value", remoteFile);
+ assertEquals("Mismatched opened local files", localFile.toFile(), remoteFile.toFile());
+ assertArrayEquals("Mismatched retrieved file contents", expected, actual);
+
+ Path localParent = localFile.getParent();
+ String localName = Objects.toString(localFile.getFileName(), null);
+ try (CloseableHandle handle = sftp.openDir(Utils.resolveRelativeRemotePath(parentPath, localParent))) {
+ List<DirEntry> entries = sftp.readDir(handle);
+ Path remoteParent = dirHolder.getAndSet(null);
+ assertNotNull("No remote folder holder value", remoteParent);
+ assertEquals("Mismatched opened folder", localParent.toFile(), remoteParent.toFile());
+ assertFalse("No dir entries", GenericUtils.isEmpty(entries));
+
+ for (DirEntry de : entries) {
+ Attributes attrs = de.getAttributes();
+ if (!attrs.isRegularFile()) {
+ continue;
+ }
+
+ if (localName.equals(de.getFilename())) {
+ return;
+ }
+ }
+
+ fail("Cannot find listing of " + localName);
+ }
+ }
+ }
+ } finally {
+ factory.setFileSystemAccessor(accessor); // restore original
+ }
+ }
+
+ @Test
+ @SuppressWarnings({"checkstyle:anoninnerlength", "checkstyle:methodlength"})
+ public void testClient() throws Exception {
+ List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
+ assertEquals("Mismatched subsystem factories count", 1, GenericUtils.size(factories));
+
+ NamedFactory<Command> f = factories.get(0);
+ assertObjectInstanceOf("Not an SFTP subsystem factory", SftpSubsystemFactory.class, f);
+
+ SftpSubsystemFactory factory = (SftpSubsystemFactory) f;
+ final AtomicInteger versionHolder = new AtomicInteger(-1);
+ final AtomicInteger openCount = new AtomicInteger(0);
+ final AtomicInteger closeCount = new AtomicInteger(0);
+ final AtomicLong readSize = new AtomicLong(0L);
+ final AtomicLong writeSize = new AtomicLong(0L);
+ final AtomicInteger entriesCount = new AtomicInteger(0);
+ final AtomicInteger creatingCount = new AtomicInteger(0);
+ final AtomicInteger createdCount = new AtomicInteger(0);
+ final AtomicInteger removingCount = new AtomicInteger(0);
+ final AtomicInteger removedCount = new AtomicInteger(0);
+ final AtomicInteger modifyingCount = new AtomicInteger(0);
+ final AtomicInteger modifiedCount = new AtomicInteger(0);
+ SftpEventListener listener = new AbstractSftpEventListenerAdapter() {
+ @Override
+ public void initialized(ServerSession session, int version) {
+ log.info("initialized(" + session + ") version: " + version);
+ assertTrue("Initialized version below minimum", version >= SftpSubsystemEnvironment.LOWER_SFTP_IMPL);
+ assertTrue("Initialized version above maximum", version <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL);
+ assertTrue("Initializion re-called", versionHolder.getAndSet(version) < 0);
+ }
+
+ @Override
+ public void destroying(ServerSession session) {
+ log.info("destroying(" + session + ")");
+ assertTrue("Initialization method not called", versionHolder.get() > 0);
+ }
+
+ @Override
+ public void written(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, byte[] data, int dataOffset, int dataLen, Throwable thrown) {
+ writeSize.addAndGet(dataLen);
+ if (log.isDebugEnabled()) {
+ log.debug("write(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", requested=" + dataLen);
+ }
+ }
+
+ @Override
+ public void removing(ServerSession session, Path path) {
+ removingCount.incrementAndGet();
+ log.info("removing(" + session + ") " + path);
+ }
+
+ @Override
+ public void removed(ServerSession session, Path path, Throwable thrown) {
+ removedCount.incrementAndGet();
+ log.info("removed(" + session + ") " + path
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+
+ @Override
+ public void modifyingAttributes(ServerSession session, Path path, Map<String, ?> attrs) {
+ modifyingCount.incrementAndGet();
+ log.info("modifyingAttributes(" + session + ") " + path);
+ }
+
+ @Override
+ public void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown) {
+ modifiedCount.incrementAndGet();
+ log.info("modifiedAttributes(" + session + ") " + path
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+
+ @Override
+ public void read(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, byte[] data,
+ int dataOffset, int dataLen, int readLen, Throwable thrown) {
+ readSize.addAndGet(readLen);
+ if (log.isDebugEnabled()) {
+ log.debug("read(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", requested=" + dataLen + ", read=" + readLen);
+ }
+ }
+
+ @Override
+ public void read(ServerSession session, String remoteHandle, DirectoryHandle localHandle, Map<String, Path> entries) {
+ int numEntries = GenericUtils.size(entries);
+ entriesCount.addAndGet(numEntries);
+
+ if (log.isDebugEnabled()) {
+ log.debug("read(" + session + ")[" + localHandle.getFile() + "] " + numEntries + " entries");
+ }
+
+ if ((numEntries > 0) && log.isTraceEnabled()) {
+ entries.forEach((key, value) ->
+ log.trace("read(" + session + ")[" + localHandle.getFile() + "] " + key + " - " + value));
+ }
+ }
+
+ @Override
+ public void open(ServerSession session, String remoteHandle, Handle localHandle) {
+ Path path = localHandle.getFile();
+ log.info("open(" + session + ")[" + remoteHandle + "] " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
+ openCount.incrementAndGet();
+ }
+
+ @Override
+ public void moving(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts) {
+ log.info("moving(" + session + ")[" + opts + "]" + srcPath + " => " + dstPath);
+ }
+
+ @Override
+ public void moved(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts, Throwable thrown) {
+ log.info("moved(" + session + ")[" + opts + "]" + srcPath + " => " + dstPath
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+
+ @Override
+ public void linking(ServerSession session, Path src, Path target, boolean symLink) {
+ log.info("linking(" + session + ")[" + symLink + "]" + src + " => " + target);
+ }
+
+ @Override
+ public void linked(ServerSession session, Path src, Path target, boolean symLink, Throwable thrown) {
+ log.info("linked(" + session + ")[" + symLink + "]" + src + " => " + target
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+
+ @Override
+ public void creating(ServerSession session, Path path, Map<String, ?> attrs) {
+ creatingCount.incrementAndGet();
+ log.info("creating(" + session + ") " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
+ }
+
+ @Override
+ public void created(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown) {
+ createdCount.incrementAndGet();
+ log.info("created(" + session + ") " + (Files.isDirectory(path) ? "directory" : "file") + " " + path
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+
+ @Override
+ public void blocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length, int mask) {
+ log.info("blocking(" + session + ")[" + localHandle.getFile() + "]"
+ + " offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask));
+ }
+
+ @Override
+ public void blocked(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, long length, int mask, Throwable thrown) {
+ log.info("blocked(" + session + ")[" + localHandle.getFile() + "]"
+ + " offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask)
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+
+ @Override
+ public void unblocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length) {
+ log.info("unblocking(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", length=" + length);
+ }
+
+ @Override
+ public void unblocked(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, long length, Throwable thrown) {
+ log.info("unblocked(" + session + ")[" + localHandle.getFile() + "]"
+ + " offset=" + offset + ", length=" + length
+ + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
+ }
+
+ @Override
+ public void close(ServerSession session, String remoteHandle, Handle localHandle) {
+ Path path = localHandle.getFile();
+ log.info("close(" + session + ")[" + remoteHandle + "] " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
+ closeCount.incrementAndGet();
+ }
+ };
+ factory.addSftpEventListener(listener);
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ assertEquals("Mismatched negotiated version", sftp.getVersion(), versionHolder.get());
+ testClient(client, sftp);
+ }
+
+ assertEquals("Mismatched open/close count", openCount.get(), closeCount.get());
+ assertTrue("No entries read", entriesCount.get() > 0);
+ assertTrue("No data read", readSize.get() > 0L);
+ assertTrue("No data written", writeSize.get() > 0L);
+ assertEquals("Mismatched removal counts", removingCount.get(), removedCount.get());
+ assertTrue("No removals signalled", removedCount.get() > 0);
+ assertEquals("Mismatched creation counts", creatingCount.get(), createdCount.get());
+ assertTrue("No creations signalled", creatingCount.get() > 0);
+ assertEquals("Mismatched modification counts", modifyingCount.get(), modifiedCount.get());
+ assertTrue("No modifications signalled", modifiedCount.get() > 0);
+ } finally {
+ factory.removeSftpEventListener(listener);
+ }
+ }
+
+ /**
+ * this test is meant to test out write's logic, to ensure that internal chunking (based on Buffer.MAX_LEN) is
+ * functioning properly. To do this, we write a variety of file sizes, both smaller and larger than Buffer.MAX_LEN.
+ * in addition, this test ensures that improper arguments passed in get caught with an IllegalArgumentException
+ *
+ * @throws Exception upon any uncaught exception or failure
+ */
+ @Test
+ public void testWriteChunking() throws Exception {
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Utils.deleteRecursive(lclSftp);
+
+ Path parentPath = targetPath.getParent();
+ Path clientFolder = assertHierarchyTargetFolderExists(lclSftp).resolve("client");
+ String dir = Utils.resolveRelativeRemotePath(parentPath, clientFolder);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ sftp.mkdir(dir);
+
+ uploadAndVerifyFile(sftp, clientFolder, dir, 0, "emptyFile.txt");
+ uploadAndVerifyFile(sftp, clientFolder, dir, 1000, "smallFile.txt");
+ uploadAndVerifyFile(sftp, clientFolder, dir, ByteArrayBuffer.MAX_LEN - 1, "bufferMaxLenMinusOneFile.txt");
+ uploadAndVerifyFile(sftp, clientFolder, dir, ByteArrayBuffer.MAX_LEN, "bufferMaxLenFile.txt");
+ // were chunking not implemented, these would fail. these sizes should invoke our internal chunking mechanism
+ uploadAndVerifyFile(sftp, clientFolder, dir, ByteArrayBuffer.MAX_LEN + 1, "bufferMaxLenPlusOneFile.txt");
+ uploadAndVerifyFile(sftp, clientFolder, dir, (int) (1.5 * ByteArrayBuffer.MAX_LEN), "1point5BufferMaxLenFile.txt");
+ uploadAndVerifyFile(sftp, clientFolder, dir, (2 * ByteArrayBuffer.MAX_LEN) - 1, "2TimesBufferMaxLenMinusOneFile.txt");
+ uploadAndVerifyFile(sftp, clientFolder, dir, 2 * ByteArrayBuffer.MAX_LEN, "2TimesBufferMaxLenFile.txt");
+ uploadAndVerifyFile(sftp, clientFolder, dir, (2 * ByteArrayBuffer.MAX_LEN) + 1, "2TimesBufferMaxLenPlusOneFile.txt");
+ uploadAndVerifyFile(sftp, clientFolder, dir, 200000, "largerFile.txt");
+
+ // test erroneous calls that check for negative values
+ Path invalidPath = clientFolder.resolve(getCurrentTestName() + "-invalid");
+ testInvalidParams(sftp, invalidPath, Utils.resolveRelativeRemotePath(parentPath, invalidPath));
+
+ // cleanup
+ sftp.rmdir(dir);
+ }
+ }
+ }
+
+ private void testInvalidParams(SftpClient sftp, Path file, String filePath) throws Exception {
+ // generate random file and upload it
+ String randomData = randomString(5);
+ byte[] randomBytes = randomData.getBytes(StandardCharsets.UTF_8);
+ try (SftpClient.CloseableHandle handle = sftp.open(filePath, EnumSet.of(SftpClient.OpenMode.Write, SftpClient.OpenMode.Create))) {
+ try {
+ sftp.write(handle, -1, randomBytes, 0, 0);
+ fail("should not have been able to write file with invalid file offset for " + filePath);
+ } catch (IllegalArgumentException e) {
+ // expected
+ }
+ try {
+ sftp.write(handle, 0, randomBytes, -1, 0);
+ fail("should not have been able to write file with invalid source offset for " + filePath);
+ } catch (IllegalArgumentException e) {
+ // expected
+ }
+ try {
+ sftp.write(handle, 0, randomBytes, 0, -1);
+ fail("should not have been able to write file with invalid length for " + filePath);
+ } catch (IllegalArgumentException e) {
+ // expected
+ }
+ try {
+ sftp.write(handle, 0, randomBytes, 0, randomBytes.length + 1);
+ fail("should not have been able to write file with length bigger than array itself (no offset) for " + filePath);
+ } catch (IllegalArgumentException e) {
+ // expected
+ }
+ try {
+ sftp.write(handle, 0, randomBytes, randomBytes.length, 1);
+ fail("should not have been able to write file with length bigger than array itself (with offset) for " + filePath);
+ } catch (IllegalArgumentException e) {
+ // expected
+ }
+ }
+
+ sftp.remove(filePath);
+ assertFalse("File should not be there: " + file.toString(), Files.exists(file));
+ }
+
+ private void uploadAndVerifyFile(SftpClient sftp, Path clientFolder, String remoteDir, int size, String filename) throws Exception {
+ // generate random file and upload it
+ String remotePath = remoteDir + "/" + filename;
+ String randomData = randomString(size);
+ try (SftpClient.CloseableHandle handle = sftp.open(remotePath, EnumSet.of(SftpClient.OpenMode.Write, SftpClient.OpenMode.Create))) {
+ sftp.write(handle, 0, randomData.getBytes(StandardCharsets.UTF_8), 0, randomData.length());
+ }
+
+ // verify results
+ Path resultPath = clientFolder.resolve(filename);
+ assertTrue("File should exist on disk: " + resultPath, Files.exists(resultPath));
+ assertTrue("Mismatched file contents: " + resultPath, randomData.equals(readFile(remotePath)));
+
+ // cleanup
+ sftp.remove(remotePath);
+ assertFalse("File should have been removed: " + resultPath, Files.exists(resultPath));
+ }
+
+ @Test
+ public void testSftp() throws Exception {
+ String d = getCurrentTestName() + "\n";
+
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Utils.deleteRecursive(lclSftp);
+
+ Path target = assertHierarchyTargetFolderExists(lclSftp).resolve("file.txt");
+ String remotePath = Utils.resolveRelativeRemotePath(targetPath.getParent(), target);
+
+ final int numIterations = 10;
+ StringBuilder sb = new StringBuilder(d.length() * numIterations * numIterations);
+ for (int j = 1; j <= numIterations; j++) {
+ if (sb.length() > 0) {
+ sb.setLength(0);
+ }
+
+ for (int i = 0; i < j; i++) {
+ sb.append(d);
+ }
+
+ sendFile(remotePath, sb.toString());
+ assertFileLength(target, sb.length(), TimeUnit.SECONDS.toMillis(5L));
+ Files.delete(target);
+ }
+ }
+
+ @Test
+ public void testReadWriteWithOffset() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Utils.deleteRecursive(lclSftp);
+
+ Path localPath = assertHierarchyTargetFolderExists(lclSftp).resolve("file.txt");
+ String remotePath = Utils.resolveRelativeRemotePath(targetPath.getParent(), localPath);
+ String data = getCurrentTestName();
+ String extraData = "@" + getClass().getSimpleName();
+ int appendOffset = -5;
+
+ ChannelSftp c = (ChannelSftp) session.openChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
+ c.connect();
+ try {
+ c.put(new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8)), remotePath);
+
+ assertTrue("Remote file not created after initial write: " + localPath, Files.exists(localPath));
+ assertEquals("Mismatched data read from " + remotePath, data, readFile(remotePath));
+
+ try (OutputStream os = c.put(remotePath, null, ChannelSftp.APPEND, appendOffset)) {
+ os.write(extraData.getBytes(StandardCharsets.UTF_8));
+ }
+ } finally {
+ c.disconnect();
+ }
+
+ assertTrue("Remote file not created after data update: " + localPath, Files.exists(localPath));
+
+ String expected = data.substring(0, data.length() + appendOffset) + extraData;
+ String actual = readFile(remotePath);
+ assertEquals("Mismatched final file data in " + remotePath, expected, actual);
+ }
+
+ @Test
+ public void testReadDir() throws Exception {
+ Path cwdPath = Paths.get(System.getProperty("user.dir")).toAbsolutePath();
+ Path tgtPath = detectTargetFolder();
+ Collection<String> expNames = OsUtils.isUNIX()
+ ? new LinkedList<>()
+ : new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
+ try (DirectoryStream<Path> ds = Files.newDirectoryStream(tgtPath)) {
+ for (Path p : ds) {
+ String n = Objects.toString(p.getFileName());
+ if (".".equals(n) || "..".equals(n)) {
+ continue;
+ }
+
+ assertTrue("Failed to accumulate " + n, expNames.add(n));
+ }
+ }
+
+ Path baseDir = cwdPath.relativize(tgtPath);
+ String path = baseDir + "/";
+ path = path.replace('\\', '/');
+
+ ChannelSftp c = (ChannelSftp) session.openChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
+ c.connect();
+ try {
+ Vector<?> res = c.ls(path);
+ for (Object f : res) {
+ outputDebugMessage("LsEntry: %s", f);
+
+ ChannelSftp.LsEntry entry = (ChannelSftp.LsEntry) f;
+ String name = entry.getFilename();
+ if (".".equals(name) || "..".equals(name)) {
+ continue;
+ }
+
+ assertTrue("Entry not found: " + name, expNames.remove(name));
+ }
+
+ assertTrue("Un-listed names: " + expNames, GenericUtils.isEmpty(expNames));
+ } finally {
+ c.disconnect();
+ }
+ }
+
+ @Test
+ public void testRename() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Utils.deleteRecursive(lclSftp);
+
+ Path parentPath = targetPath.getParent();
+ Path clientFolder = assertHierarchyTargetFolderExists(lclSftp.resolve("client"));
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ Path file1 = clientFolder.resolve("file-1.txt");
+ String file1Path = Utils.resolveRelativeRemotePath(parentPath, file1);
+ try (OutputStream os = sftp.write(file1Path, SftpClient.MIN_WRITE_BUFFER_SIZE)) {
+ os.write((getCurrentTestName() + "\n").getBytes(StandardCharsets.UTF_8));
+ }
+
+ Path file2 = clientFolder.resolve("file-2.txt");
+ String file2Path = Utils.resolveRelativeRemotePath(parentPath, file2);
+ Path file3 = clientFolder.resolve("file-3.txt");
+ String file3Path = Utils.resolveRelativeRemotePath(parentPath, file3);
+ try {
+ sftp.rename(file2Path, file3Path);
+ fail("Unxpected rename success of " + file2Path + " => " + file3Path);
+ } catch (org.apache.sshd.common.subsystem.sftp.SftpException e) {
+ assertEquals("Mismatched status for failed rename of " + file2Path + " => " + file3Path, SftpConstants.SSH_FX_NO_SUCH_FILE, e.getStatus());
+ }
+
+ try (OutputStream os = sftp.write(file2Path, SftpClient.MIN_WRITE_BUFFER_SIZE)) {
+ os.write("h".getBytes(StandardCharsets.UTF_8));
+ }
+
+ try {
+ sftp.rename(file1Path, file2Path);
+ fail("Unxpected rename success of " + file1Path + " => " + file2Path);
+ } catch (org.apache.sshd.common.subsystem.sftp.SftpException e) {
+ assertEquals("Mismatched status for failed rename of " + file1Path + " => " + file2Path, SftpConstants.SSH_FX_FILE_ALREADY_EXISTS, e.getStatus());
+ }
+
+ sftp.rename(file1Path, file2Path, SftpClient.CopyMode.Overwrite);
+ }
+ }
+ }
+
+ @Test
+ public void testServerExtensionsDeclarations() throws Exception {
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ Map<String, byte[]> extensions = sftp.getServerExtensions();
+ for (String name : new String[]{
+ SftpConstants.EXT_NEWLINE, SftpConstants.EXT_VERSIONS,
+ SftpConstants.EXT_VENDOR_ID, SftpConstants.EXT_ACL_SUPPORTED,
+ SftpConstants.EXT_SUPPORTED, SftpConstants.EXT_SUPPORTED2
+ }) {
+ assertTrue("Missing extension=" + name, extensions.containsKey(name));
+ }
+
+ Map<String, ?> data = ParserUtils.parse(extensions);
+ data.forEach((extName, extValue) -> {
+ outputDebugMessage("%s: %s", extName, extValue);
+ if (SftpConstants.EXT_SUPPORTED.equalsIgnoreCase(extName)) {
+ assertSupportedExtensions(extName, ((Supported) extValue).extensionNames);
+ } else if (SftpConstants.EXT_SUPPORTED2.equalsIgnoreCase(extName)) {
+ assertSupportedExtensions(extName, ((Supported2) extValue).extensionNames);
+ } else if (SftpConstants.EXT_ACL_SUPPORTED.equalsIgnoreCase(extName)) {
+ assertSupportedAclCapabilities((AclCapabilities) extValue);
+ } else if (SftpConstants.EXT_VERSIONS.equalsIgnoreCase(extName)) {
+ assertSupportedVersions((Versions) extValue);
+ } else if (SftpConstants.EXT_NEWLINE.equalsIgnoreCase(extName)) {
+ assertNewlineValue((Newline) extValue);
+ }
+ });
+
+ for (String extName : extensions.keySet()) {
+ if (!data.containsKey(extName)) {
+ outputDebugMessage("No parser for extension=%s", extName);
+ }
+ }
+
+ for (OpenSSHExtension expected : AbstractSftpSubsystemHelper.DEFAULT_OPEN_SSH_EXTENSIONS) {
+ String name = expected.getName();
+ Object value = data.get(name);
+ assertNotNull("OpenSSH extension not declared: " + name, value);
+
+ OpenSSHExtension actual = (OpenSSHExtension) value;
+ assertEquals("Mismatched version for OpenSSH extension=" + name, expected.getVersion(), actual.getVersion());
+ }
+
+ for (BuiltinSftpClientExtensions type : BuiltinSftpClientExtensions.VALUES) {
+ String extensionName = type.getName();
+ boolean isOpenSSHExtension = extensionName.endsWith("@openssh.com");
+ SftpClientExtension instance = sftp.getExtension(extensionName);
+
+ assertNotNull("Extension not implemented:" + extensionName, instance);
+ assertEquals("Mismatched instance name", extensionName, instance.getName());
+
+ if (instance.isSupported()) {
+ if (isOpenSSHExtension) {
+ assertTrue("Unlisted default OpenSSH extension: " + extensionName,
+ AbstractSftpSubsystemHelper.DEFAULT_OPEN_SSH_EXTENSIONS_NAMES.contains(extensionName));
+ }
+ } else {
+ assertTrue("Unsupported non-OpenSSH extension: " + extensionName, isOpenSSHExtension);
+ assertFalse("Unsupported default OpenSSH extension: " + extensionName,
+ AbstractSftpSubsystemHelper.DEFAULT_OPEN_SSH_EXTENSIONS_NAMES.contains(extensionName));
+ }
+ }
+ }
+ }
+ }
+
+ private static void assertSupportedExtensions(String extName, Collection<String> extensionNames) {
+ assertEquals(extName + "[count]", EXPECTED_EXTENSIONS.size(), GenericUtils.size(extensionNames));
+
+ EXPECTED_EXTENSIONS.forEach((name, f) -> {
+ if (!f.isSupported()) {
+ assertFalse(extName + " - unsupported feature reported: " + name, extensionNames.contains(name));
+ } else {
+ assertTrue(extName + " - missing " + name, extensionNames.contains(name));
+ }
+ });
+ }
+
+ private static void assertSupportedVersions(Versions vers) {
+ List<String> values = vers.getVersions();
+ assertEquals("Mismatched reported versions size: " + values,
+ 1 + SftpSubsystemEnvironment.HIGHER_SFTP_IMPL - SftpSubsystemEnvironment.LOWER_SFTP_IMPL,
+ GenericUtils.size(values));
+ for (int expected = SftpSubsystemEnvironment.LOWER_SFTP_IMPL, index = 0; expected <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; expected++, index++) {
+ String e = Integer.toString(expected);
+ String a = values.get(index);
+ assertEquals("Missing value at index=" + index + ": " + values, e, a);
+ }
+ }
+
+ private static void assertNewlineValue(Newline nl) {
+ assertEquals("Mismatched NL value",
+ BufferUtils.toHex(':', IoUtils.EOL.getBytes(StandardCharsets.UTF_8)),
+ BufferUtils.toHex(':', nl.getNewline().getBytes(StandardCharsets.UTF_8)));
+ }
+
+ private static void assertSupportedAclCapabilities(AclCapabilities caps) {
+ Set<Integer> actual = AclCapabilities.deconstructAclCapabilities(caps.getCapabilities());
+ assertEquals("Mismatched ACL capabilities count", AbstractSftpSubsystemHelper.DEFAULT_ACL_SUPPORTED_MASK.size(), actual.size());
+ assertTrue("Missing capabilities - expected=" + AbstractSftpSubsystemHelper.DEFAULT_ACL_SUPPORTED_MASK + ", actual=" + actual,
+ actual.containsAll(AbstractSftpSubsystemHelper.DEFAULT_ACL_SUPPORTED_MASK));
+ }
+
+ @Test
+ public void testSftpVersionSelector() throws Exception {
+ final AtomicInteger selected = new AtomicInteger(-1);
+ SftpVersionSelector selector = (session, current, available) -> {
+ int value = GenericUtils.stream(available)
+ .mapToInt(Integer::intValue)
+ .filter(v -> v != current)
+ .max()
+ .orElseGet(() -> current);
+ selected.set(value);
+ return value;
+ };
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = SftpClientFactory.instance().createSftpClient(session, selector)) {
+ assertEquals("Mismatched negotiated version", selected.get(), sftp.getVersion());
+ testClient(client, sftp);
+ }
+ }
+ }
+
+ @Test // see SSHD-621
+ public void testServerDoesNotSupportSftp() throws Exception {
+ List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
+ assertEquals("Mismatched subsystem factories count", 1, GenericUtils.size(factories));
+
+ sshd.setSubsystemFactories(null);
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ PropertyResolverUtils.updateProperty(session, SftpClient.SFTP_CHANNEL_OPEN_TIMEOUT, TimeUnit.SECONDS.toMillis(4L));
+ try (SftpClient sftp = createSftpClient(session)) {
+ fail("Unexpected SFTP client creation success");
+ } catch (SocketTimeoutException | EOFException | WindowClosedException e) {
+ // expected - ignored
+ } finally {
+ PropertyResolverUtils.updateProperty(session, SftpClient.SFTP_CHANNEL_OPEN_TIMEOUT, SftpClient.DEFAULT_CHANNEL_OPEN_TIMEOUT);
+ }
+ } finally {
+ sshd.setSubsystemFactories(factories);
+ }
+ }
+
+ private void testClient(FactoryManager manager, SftpClient sftp) throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Utils.deleteRecursive(lclSftp);
+
+ Path parentPath = targetPath.getParent();
+ Path clientFolder = assertHierarchyTargetFolderExists(lclSftp).resolve("client");
+ String dir = Utils.resolveRelativeRemotePath(parentPath, clientFolder);
+ sftp.mkdir(dir);
+
+ String file = dir + "/" + getCurrentTestName() + "-file.txt";
+ try (SftpClient.CloseableHandle h = sftp.open(file, EnumSet.of(SftpClient.OpenMode.Write, SftpClient.OpenMode.Create))) {
+ byte[] d = "0123456789\n".getBytes(StandardCharsets.UTF_8);
+ sftp.write(h, 0, d, 0, d.length);
+ sftp.write(h, d.length, d, 0, d.length);
+
+ SftpClient.Attributes attrs = sftp.stat(h);
+ assertNotNull("No handle attributes", attrs);
+ }
+
+ try (SftpClient.CloseableHandle h = sftp.openDir(dir)) {
+ List<SftpClient.DirEntry> dirEntries = new ArrayList<>();
+ boolean dotFiltered = false;
+ boolean dotdotFiltered = false;
+ for (SftpClient.DirEntry entry : sftp.listDir(h)) {
+ String name = entry.getFilename();
+ outputDebugMessage("readDir(%s) initial file: %s", dir, name);
+ if (".".equals(name) && (!dotFiltered)) {
+ dotFiltered = true;
+ } else if ("..".equals(name) && (!dotdotFiltered)) {
+ dotdotFiltered = true;
+ } else {
+ dirEntries.add(entry);
+ }
+ }
+
+ assertTrue("Dot entry not listed", dotFiltered);
+ assertTrue("Dot-dot entry not listed", dotdotFiltered);
+ assertEquals("Mismatched number of listed entries", 1, dirEntries.size());
+ assertNull("Unexpected extra entry read after listing ended", sftp.readDir(h));
+ }
+
+ sftp.remove(file);
+
+ final int sizeFactor = Short.SIZE;
+ byte[] workBuf = new byte[IoUtils.DEFAULT_COPY_SIZE * Short.SIZE];
+ Factory<? extends Random> factory = manager.getRandomFactory();
+ Random random = factory.create();
+ random.fill(workBuf);
+
+ try (OutputStream os = sftp.write(file)) {
+ os.write(workBuf);
+ }
+
+ // force several internal read cycles to satisfy the full read
+ try (InputStream is = sftp.read(file, workBuf.length / sizeFactor)) {
+ int readLen = is.read(workBuf);
+ assertEquals("Mismatched read data length", workBuf.length, readLen);
+
+ int i = is.read();
+ assertEquals("Unexpected read past EOF", -1, i);
+ }
+
+ SftpClient.Attributes attributes = sftp.stat(file);
+ assertTrue("Test file not detected as regular", attributes.isRegularFile());
+
+ attributes = sftp.stat(dir);
+ assertTrue("Test directory not reported as such", attributes.isDirectory());
+
+ int nb = 0;
+ boolean dotFiltered = false;
+ boolean dotdotFiltered = false;
+ for (SftpClient.DirEntry entry : sftp.readDir(dir)) {
+ assertNotNull("Unexpected null entry", entry);
+ String name = entry.getFilename();
+ outputDebugMessage("readDir(%s) overwritten file: %s", dir, name);
+
+ if (".".equals(name) && (!dotFiltered)) {
+ dotFiltered = true;
+ } else if ("..".equals(name) && (!dotdotFiltered)) {
+ dotdotFiltered = true;
+ } else {
+ nb++;
+ }
+ }
+ assertTrue("Dot entry not read", dotFiltered);
+ assertTrue("Dot-dot entry not read", dotdotFiltered);
+ assertEquals("Mismatched read dir entries", 1, nb);
+ sftp.remove(file);
+ sftp.rmdir(dir);
+ }
+
+ @Test
+ public void testCreateSymbolicLink() throws Exception {
+ // Do not execute on windows as the file system does not support symlinks
+ Assume.assumeTrue("Skip non-Unix O/S", OsUtils.isUNIX());
+ List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
+ assertEquals("Mismatched subsystem factories count", 1, GenericUtils.size(factories));
+
+ NamedFactory<Command> f = factories.get(0);
+ assertObjectInstanceOf("Not an SFTP subsystem factory", SftpSubsystemFactory.class, f);
+
+ SftpSubsystemFactory factory = (SftpSubsystemFactory) f;
+ final AtomicReference<LinkData> linkDataHolder = new AtomicReference<>();
+ SftpEventListener listener = new AbstractSftpEventListenerAdapter() {
+ @Override
+ public void linking(ServerSession session, Path src, Path target, boolean symLink) {
+ assertNull("Multiple linking calls", linkDataHolder.getAndSet(new LinkData(src, target, symLink)));
+ }
+
+ @Override
+ public void linked(ServerSession session, Path src, Path target, boolean symLink, Throwable thrown) {
+ LinkData data = linkDataHolder.get();
+ assertNotNull("No previous linking call", data);
+ assertSame("Mismatched source", data.getSource(), src);
+ assertSame("Mismatched target", data.getTarget(), target);
+ assertEquals("Mismatched link type", data.isSymLink(), symLink);
+ assertNull("Unexpected failure", thrown);
+ }
+ };
+
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Utils.deleteRecursive(lclSftp);
+
+ /*
+ * NOTE !!! according to Jsch documentation
+ * (see http://epaul.github.io/jsch-documentation/simple.javadoc/com/jcraft/jsch/ChannelSftp.html#current-directory)
+ *
+ *
+ * This sftp client has the concept of a current local directory and
+ * a current remote directory. These are not inherent to the protocol,
+ * but are used implicitly for all path-based commands sent to the server
+ * for the remote directory) or accessing the local file system (for the local directory).
+ *
+ * Therefore we are using "absolute" remote files for this test
+ */
+ Path parentPath = targetPath.getParent();
+ Path sourcePath = assertHierarchyTargetFolderExists(lclSftp).resolve("src.txt");
+ String remSrcPath = "/" + Utils.resolveRelativeRemotePath(parentPath, sourcePath);
+
+ factory.addSftpEventListener(listener);
+ try {
+ String data = getCurrentTestName();
+ ChannelSftp c = (ChannelSftp) session.openChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
+ c.connect();
+
+ try {
+ try (InputStream dataStream = new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8))) {
+ c.put(dataStream, remSrcPath);
+ }
+ assertTrue("Source file not created: " + sourcePath, Files.exists(sourcePath));
+ assertEquals("Mismatched stored data in " + remSrcPath, data, readFile(remSrcPath));
+
+ Path linkPath = lclSftp.resolve("link-" + sourcePath.getFileName());
+ String remLinkPath = "/" + Utils.resolveRelativeRemotePath(parentPath, linkPath);
+ LinkOption[] options = IoUtils.getLinkOptions(false);
+ if (Files.exists(linkPath, options)) {
+ Files.delete(linkPath);
+ }
+ assertFalse("Target link exists before linking: " + linkPath, Files.exists(linkPath, options));
+
+ outputDebugMessage("Symlink %s => %s", remLinkPath, remSrcPath);
+ c.symlink(remSrcPath, remLinkPath);
+
+ assertTrue("Symlink not created: " + linkPath, Files.exists(linkPath, options));
+ assertEquals("Mismatched link data in " + remLinkPath, data, readFile(remLinkPath));
+
+ String str1 = c.readlink(remLinkPath);
+ String str2 = c.realpath(remSrcPath);
+ assertEquals("Mismatched link vs. real path", str1, str2);
+ } finally {
+ c.disconnect();
+ }
+ } finally {
+ factory.removeSftpEventListener(listener);
+ }
+
+ assertNotNull("No symlink signalled", linkDataHolder.getAndSet(null));
+ }
+
+ @Test // see SSHD-697
+ public void testFileChannel() throws IOException {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Path lclFile = lclSftp.resolve(getCurrentTestName() + ".txt");
+ Files.deleteIfExists(lclFile);
+ byte[] expected = (getClass().getName() + "#" + getCurrentTestName() + "(" + new Date() + ")").getBytes(StandardCharsets.UTF_8);
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ Path parentPath = targetPath.getParent();
+ String remFilePath = Utils.resolveRelativeRemotePath(parentPath, lclFile);
+
+ try (FileChannel fc = sftp.openRemotePathChannel(remFilePath, EnumSet.of(StandardOpenOption.CREATE, StandardOpenOption.READ, StandardOpenOption.WRITE))) {
+ int writeLen = fc.write(ByteBuffer.wrap(expected));
+ assertEquals("Mismatched written length", expected.length, writeLen);
+
+ FileChannel fcPos = fc.position(0L);
+ assertSame("Mismatched positioned file channel", fc, fcPos);
+
+ byte[] actual = new byte[expected.length];
+ int readLen = fc.read(ByteBuffer.wrap(actual));
+ assertEquals("Mismatched read len", writeLen, readLen);
+ assertArrayEquals("Mismatched read data", expected, actual);
+ }
+ }
+ }
+
+ byte[] actual = Files.readAllBytes(lclFile);
+ assertArrayEquals("Mismatched persisted data", expected, actual);
+ }
+
+ protected String readFile(String path) throws Exception {
+ ChannelSftp c = (ChannelSftp) session.openChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
+ c.connect();
+
+ try (ByteArrayOutputStream bos = new ByteArrayOutputStream();
+ InputStream is = c.get(path)) {
+ byte[] buffer = new byte[256];
+ for (int count = is.read(buffer); count != -1; count = is.read(buffer)) {
+ bos.write(buffer, 0, count);
+ }
+
+ return bos.toString();
+ } finally {
+ c.disconnect();
+ }
+ }
+
+ protected void sendFile(String path, String data) throws Exception {
+ ChannelSftp c = (ChannelSftp) session.openChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
+ c.connect();
+ try {
+ c.put(new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8)), path);
+ } finally {
+ c.disconnect();
+ }
+ }
+
+ private String randomString(int size) {
+ StringBuilder sb = new StringBuilder(size);
+ for (int i = 0; i < size; i++) {
+ sb.append((char) ((i % 10) + '0'));
+ }
+ return sb.toString();
+ }
+
+ static class LinkData {
+ private final Path source;
+ private final Path target;
+ private final boolean symLink;
+
+ LinkData(Path src, Path target, boolean symLink) {
+ this.source = Objects.requireNonNull(src, "No source");
+ this.target = Objects.requireNonNull(target, "No target");
+ this.symLink = symLink;
+ }
+
+ public Path getSource() {
+ return source;
+ }
+
+ public Path getTarget() {
+ return target;
+ }
+
+ public boolean isSymLink() {
+ return symLink;
+ }
+
+ @Override
+ public String toString() {
+ return (isSymLink() ? "Symbolic" : "Hard") + " " + getSource() + " => " + getTarget();
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelectorTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelectorTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelectorTest.java
new file mode 100644
index 0000000..afc1944
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelectorTest.java
@@ -0,0 +1,134 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemEnvironment;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.NoIoTestCase;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runners.MethodSorters;
+import org.mockito.Mockito;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@Category({ NoIoTestCase.class })
+public class SftpVersionSelectorTest extends BaseTestSupport {
+ public SftpVersionSelectorTest() {
+ super();
+ }
+
+ @Test
+ public void testCurrentVersionSelector() {
+ List<Integer> available = new ArrayList<>();
+ Random rnd = new Random(System.nanoTime());
+ ClientSession session = Mockito.mock(ClientSession.class);
+ for (int expected = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; expected <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; expected++) {
+ assertEquals("Mismatched directly selected for available=" + available, expected, SftpVersionSelector.CURRENT.selectVersion(session, expected, available));
+ available.add(expected);
+ }
+
+ for (int expected = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; expected <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; expected++) {
+ for (int index = 0; index < available.size(); index++) {
+ Collections.shuffle(available, rnd);
+ assertEquals("Mismatched suffling selected for current=" + expected + ", available=" + available,
+ expected, SftpVersionSelector.CURRENT.selectVersion(session, expected, available));
+ }
+ }
+ }
+
+ @Test
+ public void testFixedVersionSelector() {
+ final int fixedValue = 7365;
+ testVersionSelector(SftpVersionSelector.fixedVersionSelector(fixedValue), fixedValue);
+ }
+
+ @Test
+ public void testPreferredVersionSelector() {
+ List<Integer> available = new ArrayList<>();
+ for (int version = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; version <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; version++) {
+ available.add(version);
+ }
+
+ List<Integer> preferred = new ArrayList<>(available);
+ List<Integer> unavailable = Arrays.asList(7365, 3777347);
+ Random rnd = new Random(System.nanoTime());
+ ClientSession session = Mockito.mock(ClientSession.class);
+ for (int index = 0; index < preferred.size(); index++) {
+ Collections.shuffle(preferred, rnd);
+ SftpVersionSelector selector = SftpVersionSelector.preferredVersionSelector(preferred);
+ int expected = preferred.get(0);
+
+ for (int current = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; current <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; current++) {
+ assertEquals("Mismatched selected for current= " + current + ", available=" + available + ", preferred=" + preferred,
+ expected, selector.selectVersion(session, current, available));
+
+ try {
+ Collections.shuffle(unavailable, rnd);
+ int version = unavailable.get(0);
+ int actual = selector.selectVersion(session, version, unavailable);
+ fail("Unexpected selected version (" + actual + ")"
+ + " for current= " + version
+ + ", available=" + unavailable
+ + ", preferred=" + preferred);
+ } catch (IllegalStateException e) {
+ // expected
+ }
+ }
+ }
+ }
+
+ @Test
+ public void testMaximumVersionSelector() {
+ testVersionSelector(SftpVersionSelector.MAXIMUM, SftpSubsystemEnvironment.HIGHER_SFTP_IMPL);
+ }
+
+ @Test
+ public void testMinimumVersionSelector() {
+ testVersionSelector(SftpVersionSelector.MINIMUM, SftpSubsystemEnvironment.LOWER_SFTP_IMPL);
+ }
+
+ private static void testVersionSelector(SftpVersionSelector selector, int expected) {
+ List<Integer> available = new ArrayList<>();
+ for (int version = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; version <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; version++) {
+ available.add(version);
+ }
+
+ Random rnd = new Random(System.nanoTime());
+ ClientSession session = Mockito.mock(ClientSession.class);
+ for (int current = SftpSubsystemEnvironment.LOWER_SFTP_IMPL; current <= SftpSubsystemEnvironment.HIGHER_SFTP_IMPL; current++) {
+ for (int index = 0; index < available.size(); index++) {
+ assertEquals("Mismatched selection for current=" + current + ", available=" + available,
+ expected, selector.selectVersion(session, current, available));
+ Collections.shuffle(available, rnd);
+ }
+ }
+ }
+}
[03/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionsTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionsTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionsTest.java
new file mode 100644
index 0000000..e29b732
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionsTest.java
@@ -0,0 +1,510 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.Path;
+import java.nio.file.attribute.AclEntry;
+import java.nio.file.attribute.AclEntryFlag;
+import java.nio.file.attribute.AclEntryPermission;
+import java.nio.file.attribute.AclEntryType;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Date;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Map;
+import java.util.NavigableMap;
+import java.util.TreeMap;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Attributes;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.OpenMode;
+import org.apache.sshd.common.NamedFactory;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpHelper;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.server.Command;
+import org.apache.sshd.server.session.ServerSession;
+import org.apache.sshd.server.subsystem.sftp.AbstractSftpEventListenerAdapter;
+import org.apache.sshd.server.subsystem.sftp.DefaultGroupPrincipal;
+import org.apache.sshd.server.subsystem.sftp.SftpEventListener;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystem;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemEnvironment;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
+import org.apache.sshd.util.test.JUnit4ClassRunnerWithParametersFactory;
+import org.apache.sshd.util.test.Utils;
+import org.junit.Before;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.MethodSorters;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+import org.junit.runners.Parameterized.UseParametersRunnerFactory;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
+@UseParametersRunnerFactory(JUnit4ClassRunnerWithParametersFactory.class)
+public class SftpVersionsTest extends AbstractSftpClientTestSupport {
+ private static final List<Integer> VERSIONS =
+ Collections.unmodifiableList(
+ IntStream.rangeClosed(SftpSubsystemEnvironment.LOWER_SFTP_IMPL, SftpSubsystemEnvironment.HIGHER_SFTP_IMPL)
+ .boxed()
+ .collect(Collectors.toList()));
+
+ private final int testVersion;
+
+ public SftpVersionsTest(int version) throws IOException {
+ testVersion = version;
+ }
+
+ @Parameters(name = "version={0}")
+ public static Collection<Object[]> parameters() {
+ return parameterize(VERSIONS);
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ setupServer();
+ }
+
+ public final int getTestedVersion() {
+ return testVersion;
+ }
+
+ @Test // See SSHD-749
+ public void testSftpOpenFlags() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Path lclParent = assertHierarchyTargetFolderExists(lclSftp);
+ Path lclFile = lclParent.resolve(getCurrentTestName() + "-" + getTestedVersion() + ".txt");
+ Files.deleteIfExists(lclFile);
+
+ Path parentPath = targetPath.getParent();
+ String remotePath = Utils.resolveRelativeRemotePath(parentPath, lclFile);
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+ try (SftpClient sftp = createSftpClient(session, getTestedVersion())) {
+ try (OutputStream out = sftp.write(remotePath, OpenMode.Create, OpenMode.Write)) {
+ out.write(getCurrentTestName().getBytes(StandardCharsets.UTF_8));
+ }
+ assertTrue("File should exist on disk: " + lclFile, Files.exists(lclFile));
+ sftp.remove(remotePath);
+ }
+ }
+ }
+
+ @Test
+ public void testSftpVersionSelector() throws Exception {
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session, getTestedVersion())) {
+ assertEquals("Mismatched negotiated version", getTestedVersion(), sftp.getVersion());
+ }
+ }
+ }
+
+ @Test // see SSHD-572
+ public void testSftpFileTimesUpdate() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Path lclFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + "-" + getTestedVersion() + ".txt");
+ Files.write(lclFile, getClass().getName().getBytes(StandardCharsets.UTF_8));
+ Path parentPath = targetPath.getParent();
+ String remotePath = Utils.resolveRelativeRemotePath(parentPath, lclFile);
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session, getTestedVersion())) {
+ Attributes attrs = sftp.lstat(remotePath);
+ long expectedSeconds = TimeUnit.SECONDS.convert(System.currentTimeMillis() - TimeUnit.HOURS.toMillis(1L), TimeUnit.MILLISECONDS);
+ attrs.getFlags().clear();
+ attrs.modifyTime(expectedSeconds);
+ sftp.setStat(remotePath, attrs);
+
+ attrs = sftp.lstat(remotePath);
+ long actualSeconds = attrs.getModifyTime().to(TimeUnit.SECONDS);
+ // The NTFS file system delays updates to the last access time for a file by up to 1 hour after the last access
+ if (expectedSeconds != actualSeconds) {
+ System.err.append("Mismatched last modified time for ").append(lclFile.toString())
+ .append(" - expected=").append(String.valueOf(expectedSeconds))
+ .append('[').append(new Date(TimeUnit.SECONDS.toMillis(expectedSeconds)).toString()).append(']')
+ .append(", actual=").append(String.valueOf(actualSeconds))
+ .append('[').append(new Date(TimeUnit.SECONDS.toMillis(actualSeconds)).toString()).append(']')
+ .println();
+ }
+ }
+ }
+ }
+
+ @Test // see SSHD-573
+ public void testSftpFileTypeAndPermissionsUpdate() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Path subFolder = Files.createDirectories(lclSftp.resolve("sub-folder"));
+ String subFolderName = subFolder.getFileName().toString();
+ Path lclFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + "-" + getTestedVersion() + ".txt");
+ String lclFileName = lclFile.getFileName().toString();
+ Files.write(lclFile, getClass().getName().getBytes(StandardCharsets.UTF_8));
+
+ Path parentPath = targetPath.getParent();
+ String remotePath = Utils.resolveRelativeRemotePath(parentPath, lclSftp);
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session, getTestedVersion())) {
+ for (DirEntry entry : sftp.readDir(remotePath)) {
+ String fileName = entry.getFilename();
+ if (".".equals(fileName) || "..".equals(fileName)) {
+ continue;
+ }
+
+ Attributes attrs = validateSftpFileTypeAndPermissions(fileName, getTestedVersion(), entry.getAttributes());
+ if (subFolderName.equals(fileName)) {
+ assertEquals("Mismatched sub-folder type", SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY, attrs.getType());
+ assertTrue("Sub-folder not marked as directory", attrs.isDirectory());
+ } else if (lclFileName.equals(fileName)) {
+ assertEquals("Mismatched sub-file type", SftpConstants.SSH_FILEXFER_TYPE_REGULAR, attrs.getType());
+ assertTrue("Sub-folder not marked as directory", attrs.isRegularFile());
+ }
+ }
+ }
+ }
+ }
+
+ @Test // see SSHD-574
+ public void testSftpACLEncodeDecode() throws Exception {
+ AclEntryType[] types = AclEntryType.values();
+ final List<AclEntry> aclExpected = new ArrayList<>(types.length);
+ for (AclEntryType t : types) {
+ aclExpected.add(AclEntry.newBuilder()
+ .setType(t)
+ .setFlags(EnumSet.allOf(AclEntryFlag.class))
+ .setPermissions(EnumSet.allOf(AclEntryPermission.class))
+ .setPrincipal(new DefaultGroupPrincipal(getCurrentTestName() + "@" + getClass().getPackage().getName()))
+ .build());
+ }
+
+ final AtomicInteger numInvocations = new AtomicInteger(0);
+ SftpSubsystemFactory factory = new SftpSubsystemFactory() {
+ @Override
+ public Command create() {
+ SftpSubsystem subsystem = new SftpSubsystem(getExecutorService(), isShutdownOnExit(),
+ getUnsupportedAttributePolicy(), getFileSystemAccessor(), getErrorStatusDataHandler()) {
+ @Override
+ protected NavigableMap<String, Object> resolveFileAttributes(Path file, int flags, LinkOption... options) throws IOException {
+ NavigableMap<String, Object> attrs = super.resolveFileAttributes(file, flags, options);
+ if (GenericUtils.isEmpty(attrs)) {
+ attrs = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ }
+
+ @SuppressWarnings("unchecked")
+ List<AclEntry> aclActual = (List<AclEntry>) attrs.put("acl", aclExpected);
+ if (aclActual != null) {
+ log.info("resolveFileAttributes(" + file + ") replaced ACL: " + aclActual);
+ }
+ return attrs;
+ }
+
+ @Override
+ protected void setFileAccessControl(Path file, List<AclEntry> aclActual, LinkOption... options) throws IOException {
+ if (aclActual != null) {
+ assertListEquals("Mismatched ACL set for file=" + file, aclExpected, aclActual);
+ numInvocations.incrementAndGet();
+ }
+ }
+ };
+ Collection<? extends SftpEventListener> listeners = getRegisteredListeners();
+ if (GenericUtils.size(listeners) > 0) {
+ for (SftpEventListener l : listeners) {
+ subsystem.addSftpEventListener(l);
+ }
+ }
+
+ return subsystem;
+ }
+ };
+
+ factory.addSftpEventListener(new AbstractSftpEventListenerAdapter() {
+ @Override
+ public void modifyingAttributes(ServerSession session, Path path, Map<String, ?> attrs) {
+ @SuppressWarnings("unchecked")
+ List<AclEntry> aclActual = GenericUtils.isEmpty(attrs) ? null : (List<AclEntry>) attrs.get("acl");
+ if (getTestedVersion() > SftpConstants.SFTP_V3) {
+ assertListEquals("Mismatched modifying ACL for file=" + path, aclExpected, aclActual);
+ } else {
+ assertNull("Unexpected modifying ACL for file=" + path, aclActual);
+ }
+ }
+
+ @Override
+ public void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown) {
+ @SuppressWarnings("unchecked")
+ List<AclEntry> aclActual = GenericUtils.isEmpty(attrs) ? null : (List<AclEntry>) attrs.get("acl");
+ if (getTestedVersion() > SftpConstants.SFTP_V3) {
+ assertListEquals("Mismatched modified ACL for file=" + path, aclExpected, aclActual);
+ } else {
+ assertNull("Unexpected modified ACL for file=" + path, aclActual);
+ }
+ }
+ });
+
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Files.createDirectories(lclSftp.resolve("sub-folder"));
+ Path lclFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + "-" + getTestedVersion() + ".txt");
+ Files.write(lclFile, getClass().getName().getBytes(StandardCharsets.UTF_8));
+
+ Path parentPath = targetPath.getParent();
+ String remotePath = Utils.resolveRelativeRemotePath(parentPath, lclSftp);
+ int numInvoked = 0;
+
+ List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
+ sshd.setSubsystemFactories(Collections.singletonList(factory));
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session, getTestedVersion())) {
+ for (DirEntry entry : sftp.readDir(remotePath)) {
+ String fileName = entry.getFilename();
+ if (".".equals(fileName) || "..".equals(fileName)) {
+ continue;
+ }
+
+ Attributes attrs = validateSftpFileTypeAndPermissions(fileName, getTestedVersion(), entry.getAttributes());
+ List<AclEntry> aclActual = attrs.getAcl();
+ if (getTestedVersion() == SftpConstants.SFTP_V3) {
+ assertNull("Unexpected ACL for entry=" + fileName, aclActual);
+ } else {
+ assertListEquals("Mismatched ACL for entry=" + fileName, aclExpected, aclActual);
+ }
+
+ attrs.getFlags().clear();
+ attrs.setAcl(aclExpected);
+ sftp.setStat(remotePath + "/" + fileName, attrs);
+ if (getTestedVersion() > SftpConstants.SFTP_V3) {
+ numInvoked++;
+ }
+ }
+ }
+ } finally {
+ sshd.setSubsystemFactories(factories);
+ }
+
+ assertEquals("Mismatched invocations count", numInvoked, numInvocations.get());
+ }
+
+ @Test // see SSHD-575
+ public void testSftpExtensionsEncodeDecode() throws Exception {
+ final Class<?> anchor = getClass();
+ final Map<String, String> expExtensions = GenericUtils.<String, String>mapBuilder()
+ .put("class", anchor.getSimpleName())
+ .put("package", anchor.getPackage().getName())
+ .put("method", getCurrentTestName())
+ .build();
+
+ final AtomicInteger numInvocations = new AtomicInteger(0);
+ SftpSubsystemFactory factory = new SftpSubsystemFactory() {
+ @Override
+ public Command create() {
+ SftpSubsystem subsystem = new SftpSubsystem(getExecutorService(), isShutdownOnExit(),
+ getUnsupportedAttributePolicy(), getFileSystemAccessor(), getErrorStatusDataHandler()) {
+ @Override
+ protected NavigableMap<String, Object> resolveFileAttributes(Path file, int flags, LinkOption... options) throws IOException {
+ NavigableMap<String, Object> attrs = super.resolveFileAttributes(file, flags, options);
+ if (GenericUtils.isEmpty(attrs)) {
+ attrs = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ }
+
+ @SuppressWarnings("unchecked")
+ Map<String, String> actExtensions = (Map<String, String>) attrs.put("extended", expExtensions);
+ if (actExtensions != null) {
+ log.info("resolveFileAttributes(" + file + ") replaced extensions: " + actExtensions);
+ }
+ return attrs;
+ }
+
+ @Override
+ protected void setFileExtensions(Path file, Map<String, byte[]> extensions, LinkOption... options) throws IOException {
+ assertExtensionsMapEquals("setFileExtensions(" + file + ")", expExtensions, extensions);
+ numInvocations.incrementAndGet();
+
+ int currentVersion = getTestedVersion();
+ try {
+ super.setFileExtensions(file, extensions, options);
+ assertFalse("Expected exception not generated for version=" + currentVersion, currentVersion >= SftpConstants.SFTP_V6);
+ } catch (UnsupportedOperationException e) {
+ assertTrue("Unexpected exception for version=" + currentVersion, currentVersion >= SftpConstants.SFTP_V6);
+ }
+ }
+ };
+ Collection<? extends SftpEventListener> listeners = getRegisteredListeners();
+ if (GenericUtils.size(listeners) > 0) {
+ for (SftpEventListener l : listeners) {
+ subsystem.addSftpEventListener(l);
+ }
+ }
+
+ return subsystem;
+ }
+ };
+
+ factory.addSftpEventListener(new AbstractSftpEventListenerAdapter() {
+ @Override
+ public void modifyingAttributes(ServerSession session, Path path, Map<String, ?> attrs) {
+ @SuppressWarnings("unchecked")
+ Map<String, byte[]> actExtensions = GenericUtils.isEmpty(attrs) ? null : (Map<String, byte[]>) attrs.get("extended");
+ assertExtensionsMapEquals("modifying(" + path + ")", expExtensions, actExtensions);
+ }
+
+ @Override
+ public void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown) {
+ @SuppressWarnings("unchecked")
+ Map<String, byte[]> actExtensions = GenericUtils.isEmpty(attrs) ? null : (Map<String, byte[]>) attrs.get("extended");
+ assertExtensionsMapEquals("modified(" + path + ")", expExtensions, actExtensions);
+ }
+ });
+
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Files.createDirectories(lclSftp.resolve("sub-folder"));
+ Path lclFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + "-" + getTestedVersion() + ".txt");
+ Files.write(lclFile, getClass().getName().getBytes(StandardCharsets.UTF_8));
+
+ Path parentPath = targetPath.getParent();
+ String remotePath = Utils.resolveRelativeRemotePath(parentPath, lclSftp);
+ int numInvoked = 0;
+
+ List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
+ sshd.setSubsystemFactories(Collections.singletonList(factory));
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session, getTestedVersion())) {
+ for (DirEntry entry : sftp.readDir(remotePath)) {
+ String fileName = entry.getFilename();
+ if (".".equals(fileName) || "..".equals(fileName)) {
+ continue;
+ }
+
+ Attributes attrs = validateSftpFileTypeAndPermissions(fileName, getTestedVersion(), entry.getAttributes());
+ Map<String, byte[]> actExtensions = attrs.getExtensions();
+ assertExtensionsMapEquals("dirEntry=" + fileName, expExtensions, actExtensions);
+ attrs.getFlags().clear();
+ attrs.setStringExtensions(expExtensions);
+ sftp.setStat(remotePath + "/" + fileName, attrs);
+ numInvoked++;
+ }
+ }
+ } finally {
+ sshd.setSubsystemFactories(factories);
+ }
+
+ assertEquals("Mismatched invocations count", numInvoked, numInvocations.get());
+ }
+
+ @Test // see SSHD-623
+ public void testEndOfListIndicator() throws Exception {
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session, getTestedVersion())) {
+ AtomicReference<Boolean> eolIndicator = new AtomicReference<>();
+ int version = sftp.getVersion();
+ Path targetPath = detectTargetFolder();
+ Path parentPath = targetPath.getParent();
+ String remotePath = Utils.resolveRelativeRemotePath(parentPath, targetPath);
+
+ try (CloseableHandle handle = sftp.openDir(remotePath)) {
+ List<DirEntry> entries = sftp.readDir(handle, eolIndicator);
+ for (int index = 1; entries != null; entries = sftp.readDir(handle, eolIndicator), index++) {
+ Boolean value = eolIndicator.get();
+ if (version < SftpConstants.SFTP_V6) {
+ assertNull("Unexpected indicator value at iteration #" + index, value);
+ } else {
+ assertNotNull("No indicator returned at iteration #" + index, value);
+ if (value) {
+ break;
+ }
+ }
+ eolIndicator.set(null); // make sure starting fresh
+ }
+
+ Boolean value = eolIndicator.get();
+ if (version < SftpConstants.SFTP_V6) {
+ assertNull("Unexpected end-of-list indication received at end of entries", value);
+ assertNull("Unexpected no last entries indication", entries);
+ } else {
+ assertNotNull("No end-of-list indication received at end of entries", value);
+ assertNotNull("No last received entries", entries);
+ assertTrue("Bad end-of-list value", value);
+ }
+ }
+ }
+ }
+ }
+
+ @Override
+ public String toString() {
+ return getClass().getSimpleName() + "[" + getTestedVersion() + "]";
+ }
+
+ public static void assertExtensionsMapEquals(String message, Map<String, String> expected, Map<String, byte[]> actual) {
+ assertMapEquals(message, expected, SftpHelper.toStringExtensions(actual));
+ }
+
+ private static Attributes validateSftpFileTypeAndPermissions(String fileName, int version, Attributes attrs) {
+ int actualPerms = attrs.getPermissions();
+ if (version == SftpConstants.SFTP_V3) {
+ int expected = SftpHelper.permissionsToFileType(actualPerms);
+ assertEquals(fileName + ": Mismatched file type", expected, attrs.getType());
+ } else {
+ int expected = SftpHelper.fileTypeToPermission(attrs.getType());
+ assertTrue(fileName + ": Missing permision=0x" + Integer.toHexString(expected) + " in 0x" + Integer.toHexString(actualPerms),
+ (actualPerms & expected) == expected);
+ }
+
+ return attrs;
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensionsTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensionsTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensionsTest.java
new file mode 100644
index 0000000..e05105d
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensionsTest.java
@@ -0,0 +1,84 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions;
+
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+import org.mockito.Mockito;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class BuiltinSftpClientExtensionsTest extends BaseTestSupport {
+ public BuiltinSftpClientExtensionsTest() {
+ super();
+ }
+
+ @Test
+ public void testFromName() {
+ for (String name : new String[]{null, "", getCurrentTestName()}) {
+ assertNull("Unexpected result for name='" + name + "'", BuiltinSftpClientExtensions.fromName(name));
+ }
+
+ for (BuiltinSftpClientExtensions expected : BuiltinSftpClientExtensions.VALUES) {
+ String name = expected.getName();
+ for (int index = 0; index < name.length(); index++) {
+ BuiltinSftpClientExtensions actual = BuiltinSftpClientExtensions.fromName(name);
+ assertSame(name, expected, actual);
+ name = shuffleCase(name);
+ }
+ }
+ }
+
+ @Test
+ public void testFromType() {
+ for (Class<?> clazz : new Class<?>[]{null, getClass(), SftpClientExtension.class}) {
+ assertNull("Unexpected value for class=" + clazz, BuiltinSftpClientExtensions.fromType(clazz));
+ }
+
+ for (BuiltinSftpClientExtensions expected : BuiltinSftpClientExtensions.VALUES) {
+ Class<?> type = expected.getType();
+ BuiltinSftpClientExtensions actual = BuiltinSftpClientExtensions.fromType(type);
+ assertSame(type.getSimpleName(), expected, actual);
+ }
+ }
+
+ @Test
+ public void testFromInstance() {
+ for (Object instance : new Object[]{null, this}) {
+ assertNull("Unexpected value for " + instance, BuiltinSftpClientExtensions.fromInstance(instance));
+ }
+
+ SftpClient mockClient = Mockito.mock(SftpClient.class);
+ RawSftpClient mockRaw = Mockito.mock(RawSftpClient.class);
+
+ for (BuiltinSftpClientExtensions expected : BuiltinSftpClientExtensions.VALUES) {
+ SftpClientExtension e = expected.create(mockClient, mockRaw);
+ BuiltinSftpClientExtensions actual = BuiltinSftpClientExtensions.fromInstance(e);
+ assertSame(expected.getName(), expected, actual);
+ assertEquals("Mismatched extension name", expected.getName(), actual.getName());
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtensionTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtensionTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtensionTest.java
new file mode 100644
index 0000000..e3537ea
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtensionTest.java
@@ -0,0 +1,228 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
+import org.apache.sshd.client.subsystem.sftp.extensions.CheckFileHandleExtension;
+import org.apache.sshd.client.subsystem.sftp.extensions.CheckFileNameExtension;
+import org.apache.sshd.common.NamedFactory;
+import org.apache.sshd.common.NamedResource;
+import org.apache.sshd.common.digest.BuiltinDigests;
+import org.apache.sshd.common.digest.Digest;
+import org.apache.sshd.common.digest.DigestFactory;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.NumberUtils;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.util.test.JUnit4ClassRunnerWithParametersFactory;
+import org.apache.sshd.util.test.Utils;
+import org.junit.Before;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.MethodSorters;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+import org.junit.runners.Parameterized.UseParametersRunnerFactory;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
+@UseParametersRunnerFactory(JUnit4ClassRunnerWithParametersFactory.class)
+public class AbstractCheckFileExtensionTest extends AbstractSftpClientTestSupport {
+ private static final Collection<Integer> DATA_SIZES =
+ Collections.unmodifiableList(
+ Arrays.asList(
+ (int) Byte.MAX_VALUE,
+ SftpConstants.MIN_CHKFILE_BLOCKSIZE,
+ IoUtils.DEFAULT_COPY_SIZE,
+ Byte.SIZE * IoUtils.DEFAULT_COPY_SIZE
+ ));
+ private static final Collection<Integer> BLOCK_SIZES =
+ Collections.unmodifiableList(
+ Arrays.asList(
+ 0,
+ SftpConstants.MIN_CHKFILE_BLOCKSIZE,
+ 1024,
+ IoUtils.DEFAULT_COPY_SIZE
+ ));
+ private static final Collection<Object[]> PARAMETERS;
+
+ static {
+ Collection<Object[]> list = new ArrayList<>();
+ for (DigestFactory factory : BuiltinDigests.VALUES) {
+ if (!factory.isSupported()) {
+ System.out.println("Skip unsupported digest=" + factory.getAlgorithm());
+ continue;
+ }
+
+ String algorithm = factory.getName();
+ for (Number dataSize : DATA_SIZES) {
+ for (Number blockSize : BLOCK_SIZES) {
+ list.add(new Object[]{algorithm, dataSize, blockSize});
+ }
+ }
+ }
+ PARAMETERS = list;
+ }
+
+
+ private final String algorithm;
+ private final int dataSize;
+ private final int blockSize;
+
+ public AbstractCheckFileExtensionTest(String algorithm, int dataSize, int blockSize) throws IOException {
+ this.algorithm = algorithm;
+ this.dataSize = dataSize;
+ this.blockSize = blockSize;
+ }
+
+ @Parameters(name = "{0} - dataSize={1}, blockSize={2}")
+ public static Collection<Object[]> parameters() {
+ return PARAMETERS;
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ setupServer();
+ }
+
+ @Test
+ public void testCheckFileExtension() throws Exception {
+ testCheckFileExtension(algorithm, dataSize, blockSize);
+ }
+
+ private void testCheckFileExtension(String expectedAlgorithm, int inputDataSize, int hashBlockSize) throws Exception {
+ NamedFactory<? extends Digest> factory = BuiltinDigests.fromFactoryName(expectedAlgorithm);
+ Digest digest = null;
+ if (blockSize == 0) {
+ digest = factory.create();
+ digest.init();
+ }
+
+ byte[] seed = (getClass().getName() + "#" + getCurrentTestName()
+ + "-" + expectedAlgorithm
+ + "-" + inputDataSize + "/" + hashBlockSize
+ + IoUtils.EOL)
+ .getBytes(StandardCharsets.UTF_8);
+
+ try (ByteArrayOutputStream baos = new ByteArrayOutputStream(inputDataSize + seed.length)) {
+ while (baos.size() < inputDataSize) {
+ baos.write(seed);
+
+ if (digest != null) {
+ digest.update(seed);
+ }
+ }
+
+ testCheckFileExtension(factory, baos.toByteArray(), hashBlockSize, (digest == null) ? null : digest.digest());
+ }
+ }
+
+ @SuppressWarnings("checkstyle:nestedtrydepth")
+ private void testCheckFileExtension(NamedFactory<? extends Digest> factory, byte[] data, int hashBlockSize, byte[] expectedHash) throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Path srcFile = assertHierarchyTargetFolderExists(lclSftp).resolve(factory.getName() + "-data-" + data.length + "-" + hashBlockSize + ".txt");
+ Files.write(srcFile, data, IoUtils.EMPTY_OPEN_OPTIONS);
+
+ List<String> algorithms = new ArrayList<>(BuiltinDigests.VALUES.size());
+ // put the selected algorithm 1st and then the rest
+ algorithms.add(factory.getName());
+ for (NamedFactory<? extends Digest> f : BuiltinDigests.VALUES) {
+ if (f == factory) {
+ continue;
+ }
+
+ algorithms.add(f.getName());
+ }
+
+ Path parentPath = targetPath.getParent();
+ String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
+ String srcFolder = Utils.resolveRelativeRemotePath(parentPath, srcFile.getParent());
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ CheckFileNameExtension file = assertExtensionCreated(sftp, CheckFileNameExtension.class);
+ try {
+ Map.Entry<String, ?> result = file.checkFileName(srcFolder, algorithms, 0L, 0L, hashBlockSize);
+ fail("Unexpected success to hash folder=" + srcFolder + ": " + result.getKey());
+ } catch (IOException e) { // expected - not allowed to hash a folder
+ assertTrue("Not an SftpException", e instanceof SftpException);
+ }
+
+ CheckFileHandleExtension hndl = assertExtensionCreated(sftp, CheckFileHandleExtension.class);
+ try (CloseableHandle dirHandle = sftp.openDir(srcFolder)) {
+ try {
+ Map.Entry<String, ?> result = hndl.checkFileHandle(dirHandle, algorithms, 0L, 0L, hashBlockSize);
+ fail("Unexpected handle success on folder=" + srcFolder + ": " + result.getKey());
+ } catch (IOException e) { // expected - not allowed to hash a folder
+ assertTrue("Not an SftpException", e instanceof SftpException);
+ }
+ }
+
+ validateHashResult(file, file.checkFileName(srcPath, algorithms, 0L, 0L, hashBlockSize), algorithms.get(0), expectedHash);
+ try (CloseableHandle fileHandle = sftp.open(srcPath, SftpClient.OpenMode.Read)) {
+ validateHashResult(hndl, hndl.checkFileHandle(fileHandle, algorithms, 0L, 0L, hashBlockSize), algorithms.get(0), expectedHash);
+ }
+ }
+ }
+ }
+
+ private void validateHashResult(NamedResource hasher, Map.Entry<String, ? extends Collection<byte[]>> result, String expectedAlgorithm, byte[] expectedHash) {
+ String name = hasher.getName();
+ assertNotNull("No result for hash=" + name, result);
+ assertEquals("Mismatched hash algorithms for " + name, expectedAlgorithm, result.getKey());
+
+ if (NumberUtils.length(expectedHash) > 0) {
+ Collection<byte[]> values = result.getValue();
+ assertEquals("Mismatched hash values count for " + name, 1, GenericUtils.size(values));
+
+ byte[] actualHash = values.iterator().next();
+ if (!Arrays.equals(expectedHash, actualHash)) {
+ fail("Mismatched hashes for " + name
+ + ": expected=" + BufferUtils.toHex(':', expectedHash)
+ + ", actual=" + BufferUtils.toHex(':', expectedHash));
+ }
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtensionTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtensionTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtensionTest.java
new file mode 100644
index 0000000..ea2783a
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtensionTest.java
@@ -0,0 +1,177 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
+import org.apache.sshd.client.subsystem.sftp.extensions.MD5FileExtension;
+import org.apache.sshd.client.subsystem.sftp.extensions.MD5HandleExtension;
+import org.apache.sshd.common.digest.BuiltinDigests;
+import org.apache.sshd.common.digest.Digest;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.util.test.JUnit4ClassRunnerWithParametersFactory;
+import org.apache.sshd.util.test.Utils;
+import org.junit.Assume;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.MethodSorters;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+import org.junit.runners.Parameterized.UseParametersRunnerFactory;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
+@UseParametersRunnerFactory(JUnit4ClassRunnerWithParametersFactory.class)
+public class AbstractMD5HashExtensionTest extends AbstractSftpClientTestSupport {
+ private static final List<Integer> DATA_SIZES =
+ Collections.unmodifiableList(
+ Arrays.asList(
+ (int) Byte.MAX_VALUE,
+ SftpConstants.MD5_QUICK_HASH_SIZE,
+ IoUtils.DEFAULT_COPY_SIZE,
+ Byte.SIZE * IoUtils.DEFAULT_COPY_SIZE
+ ));
+
+ private final int size;
+
+ public AbstractMD5HashExtensionTest(int size) throws IOException {
+ this.size = size;
+ }
+
+ @Parameters(name = "dataSize={0}")
+ public static Collection<Object[]> parameters() {
+ return parameterize(DATA_SIZES);
+ }
+
+ @BeforeClass
+ public static void checkMD5Supported() {
+ Assume.assumeTrue("MD5 not supported", BuiltinDigests.md5.isSupported());
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ setupServer();
+ }
+
+ @Test
+ public void testMD5HashExtension() throws Exception {
+ testMD5HashExtension(size);
+ }
+
+ private void testMD5HashExtension(int dataSize) throws Exception {
+ byte[] seed = (getClass().getName() + "#" + getCurrentTestName() + "-" + dataSize + IoUtils.EOL).getBytes(StandardCharsets.UTF_8);
+ try (ByteArrayOutputStream baos = new ByteArrayOutputStream(dataSize + seed.length)) {
+ while (baos.size() < dataSize) {
+ baos.write(seed);
+ }
+
+ testMD5HashExtension(baos.toByteArray());
+ }
+ }
+
+ @SuppressWarnings("checkstyle:nestedtrydepth")
+ private void testMD5HashExtension(byte[] data) throws Exception {
+ Digest digest = BuiltinDigests.md5.create();
+ digest.init();
+ digest.update(data);
+
+ byte[] expectedHash = digest.digest();
+ byte[] quickHash = expectedHash;
+ if (data.length > SftpConstants.MD5_QUICK_HASH_SIZE) {
+ byte[] quickData = new byte[SftpConstants.MD5_QUICK_HASH_SIZE];
+ System.arraycopy(data, 0, quickData, 0, quickData.length);
+ digest = BuiltinDigests.md5.create();
+ digest.init();
+ digest.update(quickData);
+ quickHash = digest.digest();
+ }
+
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Path srcFile = assertHierarchyTargetFolderExists(lclSftp).resolve("data-" + data.length + ".txt");
+ Files.write(srcFile, data, IoUtils.EMPTY_OPEN_OPTIONS);
+
+ Path parentPath = targetPath.getParent();
+ String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
+ String srcFolder = Utils.resolveRelativeRemotePath(parentPath, srcFile.getParent());
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ MD5FileExtension file = assertExtensionCreated(sftp, MD5FileExtension.class);
+ try {
+ byte[] actual = file.getHash(srcFolder, 0L, 0L, quickHash);
+ fail("Unexpected file success on folder=" + srcFolder + ": " + BufferUtils.toHex(':', actual));
+ } catch (IOException e) { // expected - not allowed to hash a folder
+ assertTrue("Not an SftpException for file hash on " + srcFolder, e instanceof SftpException);
+ }
+
+ MD5HandleExtension hndl = assertExtensionCreated(sftp, MD5HandleExtension.class);
+ try (CloseableHandle dirHandle = sftp.openDir(srcFolder)) {
+ try {
+ byte[] actual = hndl.getHash(dirHandle, 0L, 0L, quickHash);
+ fail("Unexpected handle success on folder=" + srcFolder + ": " + BufferUtils.toHex(':', actual));
+ } catch (IOException e) { // expected - not allowed to hash a folder
+ assertTrue("Not an SftpException for handle hash on " + srcFolder, e instanceof SftpException);
+ }
+ }
+
+ try (CloseableHandle fileHandle = sftp.open(srcPath, SftpClient.OpenMode.Read)) {
+ for (byte[] qh : new byte[][]{GenericUtils.EMPTY_BYTE_ARRAY, quickHash}) {
+ for (boolean useFile : new boolean[]{true, false}) {
+ byte[] actualHash = useFile ? file.getHash(srcPath, 0L, 0L, qh) : hndl.getHash(fileHandle, 0L, 0L, qh);
+ String type = useFile ? file.getClass().getSimpleName() : hndl.getClass().getSimpleName();
+ if (!Arrays.equals(expectedHash, actualHash)) {
+ fail("Mismatched hash for quick=" + BufferUtils.toHex(':', qh)
+ + " using " + type + " on " + srcFile
+ + ": expected=" + BufferUtils.toHex(':', expectedHash)
+ + ", actual=" + BufferUtils.toHex(':', actualHash));
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImplTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImplTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImplTest.java
new file mode 100644
index 0000000..01d3334
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImplTest.java
@@ -0,0 +1,192 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
+import org.apache.sshd.client.subsystem.sftp.extensions.CopyDataExtension;
+import org.apache.sshd.common.Factory;
+import org.apache.sshd.common.random.Random;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.util.test.JUnit4ClassRunnerWithParametersFactory;
+import org.apache.sshd.util.test.Utils;
+import org.junit.Before;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.MethodSorters;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+import org.junit.runners.Parameterized.UseParametersRunnerFactory;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
+@UseParametersRunnerFactory(JUnit4ClassRunnerWithParametersFactory.class)
+public class CopyDataExtensionImplTest extends AbstractSftpClientTestSupport {
+ private static final List<Object[]> PARAMETERS =
+ Collections.unmodifiableList(
+ Arrays.asList(
+ new Object[]{
+ Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE),
+ Integer.valueOf(0),
+ Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE),
+ Long.valueOf(0L)
+ },
+ new Object[]{
+ Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE),
+ Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE / 2),
+ Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE / 4),
+ Long.valueOf(0L)
+ },
+ new Object[]{
+ Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE),
+ Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE / 2),
+ Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE / 4),
+ Long.valueOf(IoUtils.DEFAULT_COPY_SIZE / 2)
+ },
+ new Object[]{
+ Integer.valueOf(Byte.MAX_VALUE),
+ Integer.valueOf(Byte.MAX_VALUE / 2),
+ Integer.valueOf(Byte.MAX_VALUE), // attempt to read more than available
+ Long.valueOf(0L)
+ }
+ ));
+
+ private int size;
+ private int srcOffset;
+ private int length;
+ private long dstOffset;
+
+ public CopyDataExtensionImplTest(int size, int srcOffset, int length, long dstOffset) throws IOException {
+ this.size = size;
+ this.srcOffset = srcOffset;
+ this.length = length;
+ this.dstOffset = dstOffset;
+ }
+
+ @Parameters(name = "size={0}, readOffset={1}, readLength={2}, writeOffset={3}")
+ public static Collection<Object[]> parameters() {
+ return PARAMETERS;
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ setupServer();
+ }
+
+ @Test
+ public void testCopyDataExtension() throws Exception {
+ testCopyDataExtension(size, srcOffset, length, dstOffset);
+ }
+
+ private void testCopyDataExtension(int dataSize, int readOffset, int readLength, long writeOffset) throws Exception {
+ byte[] seed = (getClass().getName() + "#" + getCurrentTestName()
+ + "-" + dataSize
+ + "-" + readOffset + "/" + readLength + "/" + writeOffset
+ + IoUtils.EOL)
+ .getBytes(StandardCharsets.UTF_8);
+ try (ByteArrayOutputStream baos = new ByteArrayOutputStream(dataSize + seed.length)) {
+ while (baos.size() < dataSize) {
+ baos.write(seed);
+ }
+
+ testCopyDataExtension(baos.toByteArray(), readOffset, readLength, writeOffset);
+ }
+ }
+
+ private void testCopyDataExtension(byte[] data, int readOffset, int readLength, long writeOffset) throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path parentPath = targetPath.getParent();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ LinkOption[] options = IoUtils.getLinkOptions(true);
+ String baseName = readOffset + "-" + readLength + "-" + writeOffset;
+ Path srcFile = assertHierarchyTargetFolderExists(lclSftp, options).resolve(baseName + "-src.txt");
+ Files.write(srcFile, data, IoUtils.EMPTY_OPEN_OPTIONS);
+ String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
+
+ Path dstFile = srcFile.getParent().resolve(baseName + "-dst.txt");
+ if (Files.exists(dstFile, options)) {
+ Files.delete(dstFile);
+ }
+ String dstPath = Utils.resolveRelativeRemotePath(parentPath, dstFile);
+ if (writeOffset > 0L) {
+ Factory<? extends Random> factory = client.getRandomFactory();
+ Random randomizer = factory.create();
+ long totalLength = writeOffset + readLength;
+ byte[] workBuf = new byte[(int) Math.min(totalLength, IoUtils.DEFAULT_COPY_SIZE)];
+ try (OutputStream output = Files.newOutputStream(dstFile, IoUtils.EMPTY_OPEN_OPTIONS)) {
+ while (totalLength > 0L) {
+ randomizer.fill(workBuf);
+ output.write(workBuf);
+ totalLength -= workBuf.length;
+ }
+ }
+ }
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ CopyDataExtension ext = assertExtensionCreated(sftp, CopyDataExtension.class);
+ try (CloseableHandle readHandle = sftp.open(srcPath, SftpClient.OpenMode.Read);
+ CloseableHandle writeHandle = sftp.open(dstPath, SftpClient.OpenMode.Write, SftpClient.OpenMode.Create)) {
+ ext.copyData(readHandle, readOffset, readLength, writeHandle, writeOffset);
+ }
+ }
+ }
+
+ int available = data.length;
+ int required = readOffset + readLength;
+ if (required > available) {
+ required = available;
+ }
+ byte[] expected = new byte[required - readOffset];
+ System.arraycopy(data, readOffset, expected, 0, expected.length);
+
+ byte[] actual = new byte[expected.length];
+ try (FileChannel channel = FileChannel.open(dstFile, IoUtils.EMPTY_OPEN_OPTIONS)) {
+ int readLen = channel.read(ByteBuffer.wrap(actual), writeOffset);
+ assertEquals("Mismatched read data size", expected.length, readLen);
+ }
+ assertArrayEquals("Mismatched copy data", expected, actual);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImplTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImplTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImplTest.java
new file mode 100644
index 0000000..b21da13
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImplTest.java
@@ -0,0 +1,96 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.Path;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.CopyFileExtension;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.util.test.Utils;
+import org.junit.Before;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class CopyFileExtensionImplTest extends AbstractSftpClientTestSupport {
+ public CopyFileExtensionImplTest() throws IOException {
+ super();
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ setupServer();
+ }
+
+ @Test
+ public void testCopyFileExtension() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Utils.deleteRecursive(lclSftp);
+
+ byte[] data = (getClass().getName() + "#" + getCurrentTestName()).getBytes(StandardCharsets.UTF_8);
+ Path srcFile = assertHierarchyTargetFolderExists(lclSftp).resolve("src.txt");
+ Files.write(srcFile, data, IoUtils.EMPTY_OPEN_OPTIONS);
+
+ Path parentPath = targetPath.getParent();
+ String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
+ Path dstFile = lclSftp.resolve("dst.txt");
+ String dstPath = Utils.resolveRelativeRemotePath(parentPath, dstFile);
+
+ LinkOption[] options = IoUtils.getLinkOptions(true);
+ assertFalse("Destination file unexpectedly exists", Files.exists(dstFile, options));
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ CopyFileExtension ext = assertExtensionCreated(sftp, CopyFileExtension.class);
+ ext.copyFile(srcPath, dstPath, false);
+ assertTrue("Source file not preserved", Files.exists(srcFile, options));
+ assertTrue("Destination file not created", Files.exists(dstFile, options));
+
+ byte[] actual = Files.readAllBytes(dstFile);
+ assertArrayEquals("Mismatched copied data", data, actual);
+
+ try {
+ ext.copyFile(srcPath, dstPath, false);
+ fail("Unexpected success to overwrite existing destination: " + dstFile);
+ } catch (IOException e) {
+ assertTrue("Not an SftpException", e instanceof SftpException);
+ }
+ }
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImplTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImplTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImplTest.java
new file mode 100644
index 0000000..0c33113
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImplTest.java
@@ -0,0 +1,101 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
+
+import java.io.IOException;
+import java.io.StreamCorruptedException;
+import java.nio.file.FileStore;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.SpaceAvailableExtension;
+import org.apache.sshd.common.NamedFactory;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.SpaceAvailableExtensionInfo;
+import org.apache.sshd.server.Command;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystem;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
+import org.apache.sshd.util.test.Utils;
+import org.junit.Before;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class SpaceAvailableExtensionImplTest extends AbstractSftpClientTestSupport {
+ public SpaceAvailableExtensionImplTest() throws IOException {
+ super();
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ setupServer();
+ }
+
+ @Test
+ public void testFileStoreReport() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Path parentPath = targetPath.getParent();
+ FileStore store = Files.getFileStore(lclSftp.getRoot());
+ final String queryPath = Utils.resolveRelativeRemotePath(parentPath, lclSftp);
+ final SpaceAvailableExtensionInfo expected = new SpaceAvailableExtensionInfo(store);
+
+ List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
+ sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory() {
+ @Override
+ public Command create() {
+ return new SftpSubsystem(getExecutorService(), isShutdownOnExit(),
+ getUnsupportedAttributePolicy(), getFileSystemAccessor(), getErrorStatusDataHandler()) {
+ @Override
+ protected SpaceAvailableExtensionInfo doSpaceAvailable(int id, String path) throws IOException {
+ if (!queryPath.equals(path)) {
+ throw new StreamCorruptedException("Mismatched query paths: expected=" + queryPath + ", actual=" + path);
+ }
+
+ return expected;
+ }
+ };
+ }
+ }));
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ SpaceAvailableExtension ext = assertExtensionCreated(sftp, SpaceAvailableExtension.class);
+ SpaceAvailableExtensionInfo actual = ext.available(queryPath);
+ assertEquals("Mismatched information", expected, actual);
+ }
+ } finally {
+ sshd.setSubsystemFactories(factories);
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHExtensionsTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHExtensionsTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHExtensionsTest.java
new file mode 100644
index 0000000..ac8ed34
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHExtensionsTest.java
@@ -0,0 +1,207 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers;
+
+import java.io.IOException;
+import java.io.StreamCorruptedException;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.apache.sshd.client.SshClient;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHFsyncExtension;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatHandleExtension;
+import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatPathExtension;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.AbstractOpenSSHExtensionParser.OpenSSHExtension;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FstatVfsExtensionParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.StatVfsExtensionParser;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.server.Command;
+import org.apache.sshd.server.session.ServerSession;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystem;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
+import org.apache.sshd.util.test.Utils;
+import org.junit.Before;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class OpenSSHExtensionsTest extends AbstractSftpClientTestSupport {
+ public OpenSSHExtensionsTest() throws IOException {
+ super();
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ setupServer();
+ }
+
+ @Test
+ public void testFsync() throws IOException {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Path srcFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + ".txt");
+ byte[] expected = (getClass().getName() + "#" + getCurrentTestName()).getBytes(StandardCharsets.UTF_8);
+
+ Path parentPath = targetPath.getParent();
+ String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ OpenSSHFsyncExtension fsync = assertExtensionCreated(sftp, OpenSSHFsyncExtension.class);
+ try (CloseableHandle fileHandle = sftp.open(srcPath, SftpClient.OpenMode.Write, SftpClient.OpenMode.Create)) {
+ sftp.write(fileHandle, 0L, expected);
+ fsync.fsync(fileHandle);
+
+ byte[] actual = Files.readAllBytes(srcFile);
+ assertArrayEquals("Mismatched written data", expected, actual);
+ }
+ }
+ }
+ }
+
+ @Test
+ public void testStat() throws Exception {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Path srcFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + ".txt");
+ Files.write(srcFile, (getClass().getName() + "#" + getCurrentTestName()).getBytes(StandardCharsets.UTF_8), IoUtils.EMPTY_OPEN_OPTIONS);
+ Path parentPath = targetPath.getParent();
+ String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
+
+ final AtomicReference<String> extensionHolder = new AtomicReference<>(null);
+ final OpenSSHStatExtensionInfo expected = new OpenSSHStatExtensionInfo();
+ expected.f_bavail = Short.MAX_VALUE;
+ expected.f_bfree = Integer.MAX_VALUE;
+ expected.f_blocks = Short.MAX_VALUE;
+ expected.f_bsize = IoUtils.DEFAULT_COPY_SIZE;
+ expected.f_favail = Long.MAX_VALUE;
+ expected.f_ffree = Byte.MAX_VALUE;
+ expected.f_files = 3777347L;
+ expected.f_flag = OpenSSHStatExtensionInfo.SSH_FXE_STATVFS_ST_RDONLY;
+ expected.f_frsize = 7365L;
+ expected.f_fsid = 1L;
+ expected.f_namemax = 256;
+
+ sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory() {
+ @Override
+ public Command create() {
+ return new SftpSubsystem(getExecutorService(), isShutdownOnExit(),
+ getUnsupportedAttributePolicy(), getFileSystemAccessor(), getErrorStatusDataHandler()) {
+ @Override
+ protected List<OpenSSHExtension> resolveOpenSSHExtensions(ServerSession session) {
+ List<OpenSSHExtension> original = super.resolveOpenSSHExtensions(session);
+ int numOriginal = GenericUtils.size(original);
+ List<OpenSSHExtension> result = new ArrayList<>(numOriginal + 2);
+ if (numOriginal > 0) {
+ result.addAll(original);
+ }
+
+ for (String name : new String[]{StatVfsExtensionParser.NAME, FstatVfsExtensionParser.NAME}) {
+ result.add(new OpenSSHExtension(name, "2"));
+ }
+
+ return result;
+ }
+
+ @Override
+ protected void executeExtendedCommand(Buffer buffer, int id, String extension) throws IOException {
+ if (StatVfsExtensionParser.NAME.equals(extension)
+ || FstatVfsExtensionParser.NAME.equals(extension)) {
+ String prev = extensionHolder.getAndSet(extension);
+ if (prev != null) {
+ throw new StreamCorruptedException("executeExtendedCommand(" + extension + ") previous not null: " + prev);
+ }
+
+ buffer.clear();
+ buffer.putByte((byte) SftpConstants.SSH_FXP_EXTENDED_REPLY);
+ buffer.putInt(id);
+ OpenSSHStatExtensionInfo.encode(buffer, expected);
+ send(buffer);
+ } else {
+ super.executeExtendedCommand(buffer, id, extension);
+ }
+ }
+ };
+ }
+ }));
+
+ try (SshClient client = setupTestClient()) {
+ client.start();
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (SftpClient sftp = createSftpClient(session)) {
+ OpenSSHStatPathExtension pathStat = assertExtensionCreated(sftp, OpenSSHStatPathExtension.class);
+ OpenSSHStatExtensionInfo actual = pathStat.stat(srcPath);
+ String invokedExtension = extensionHolder.getAndSet(null);
+ assertEquals("Mismatched invoked extension", pathStat.getName(), invokedExtension);
+ assertOpenSSHStatExtensionInfoEquals(invokedExtension, expected, actual);
+
+ try (CloseableHandle handle = sftp.open(srcPath)) {
+ OpenSSHStatHandleExtension handleStat = assertExtensionCreated(sftp, OpenSSHStatHandleExtension.class);
+ actual = handleStat.stat(handle);
+ invokedExtension = extensionHolder.getAndSet(null);
+ assertEquals("Mismatched invoked extension", handleStat.getName(), invokedExtension);
+ assertOpenSSHStatExtensionInfoEquals(invokedExtension, expected, actual);
+ }
+ }
+ }
+ }
+ }
+
+ private static void assertOpenSSHStatExtensionInfoEquals(String extension, OpenSSHStatExtensionInfo expected, OpenSSHStatExtensionInfo actual) throws Exception {
+ Field[] fields = expected.getClass().getFields();
+ for (Field f : fields) {
+ String name = f.getName();
+ int mod = f.getModifiers();
+ if (Modifier.isStatic(mod)) {
+ continue;
+ }
+
+ Object expValue = f.get(expected);
+ Object actValue = f.get(actual);
+ assertEquals(extension + "[" + name + "]", expValue, actValue);
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpConstantsTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpConstantsTest.java b/sshd-sftp/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpConstantsTest.java
new file mode 100644
index 0000000..d059d36
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpConstantsTest.java
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp;
+
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.NoIoTestCase;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runners.MethodSorters;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@Category({ NoIoTestCase.class })
+public class SftpConstantsTest extends BaseTestSupport {
+ public SftpConstantsTest() {
+ super();
+ }
+
+ @Test
+ public void testRenameModesNotMarkedAsOpcodes() {
+ for (int cmd : new int[]{
+ SftpConstants.SSH_FXP_RENAME_OVERWRITE,
+ SftpConstants.SSH_FXP_RENAME_ATOMIC,
+ SftpConstants.SSH_FXP_RENAME_NATIVE
+ }) {
+ String name = SftpConstants.getCommandMessageName(cmd);
+ assertFalse("Mismatched name for " + cmd + ": " + name, name.startsWith("SSH_FXP_RENAME_"));
+ }
+ }
+
+ @Test
+ public void testRealPathModesNotMarkedAsOpcodes() {
+ for (int cmd = SftpConstants.SSH_FXP_REALPATH_NO_CHECK; cmd <= SftpConstants.SSH_FXP_REALPATH_STAT_IF; cmd++) {
+ String name = SftpConstants.getCommandMessageName(cmd);
+ assertFalse("Mismatched name for " + cmd + ": " + name, name.startsWith("SSH_FXP_REALPATH_"));
+ }
+ }
+
+ @Test
+ public void testSubstatusNameResolution() {
+ for (int status = SftpConstants.SSH_FX_OK; status <= SftpConstants.SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK; status++) {
+ String name = SftpConstants.getStatusName(status);
+ assertTrue("Failed to convert status=" + status + ": " + name, name.startsWith("SSH_FX_"));
+ }
+ }
+
+ @Test
+ public void testSubstatusMessageResolution() {
+ for (int status = SftpConstants.SSH_FX_OK; status <= SftpConstants.SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK; status++) {
+ String message = SftpHelper.resolveStatusMessage(status);
+ assertTrue("Missing message for status=" + status, GenericUtils.isNotEmpty(message));
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroupTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroupTest.java b/sshd-sftp/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroupTest.java
new file mode 100644
index 0000000..704aa05
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroupTest.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp;
+
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.NoIoTestCase;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runners.MethodSorters;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@Category({ NoIoTestCase.class })
+public class SftpUniversalOwnerAndGroupTest extends BaseTestSupport {
+ public SftpUniversalOwnerAndGroupTest() {
+ super();
+ }
+
+ @Test
+ public void testNameFormat() {
+ for (SftpUniversalOwnerAndGroup value : SftpUniversalOwnerAndGroup.VALUES) {
+ String name = value.getName();
+ assertFalse(value.name() + ": empty name", GenericUtils.isEmpty(name));
+ assertTrue(value.name() + ": bad suffix", name.charAt(name.length() - 1) == '@');
+
+ for (int index = 0; index < name.length() - 1; index++) {
+ char ch = name.charAt(index);
+ if ((ch < 'A') || (ch > 'Z')) {
+ fail("Non-uppercase character in " + name);
+ }
+ }
+ }
+ }
+
+ @Test
+ public void testFromName() {
+ for (String name : new String[]{null, "", getCurrentTestName()}) {
+ assertNull("Unexpected value for '" + name + "'", SftpUniversalOwnerAndGroup.fromName(name));
+ }
+
+ for (SftpUniversalOwnerAndGroup expected : SftpUniversalOwnerAndGroup.VALUES) {
+ String name = expected.getName();
+ for (int index = 0; index < name.length(); index++) {
+ assertSame(name, expected, SftpUniversalOwnerAndGroup.fromName(name));
+ name = shuffleCase(name);
+ }
+ }
+ }
+}
[17/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionsTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionsTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionsTest.java
deleted file mode 100644
index 76711fe..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpVersionsTest.java
+++ /dev/null
@@ -1,510 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.io.OutputStream;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.LinkOption;
-import java.nio.file.Path;
-import java.nio.file.attribute.AclEntry;
-import java.nio.file.attribute.AclEntryFlag;
-import java.nio.file.attribute.AclEntryPermission;
-import java.nio.file.attribute.AclEntryType;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Date;
-import java.util.EnumSet;
-import java.util.List;
-import java.util.Map;
-import java.util.NavigableMap;
-import java.util.TreeMap;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReference;
-import java.util.stream.Collectors;
-import java.util.stream.IntStream;
-
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Attributes;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.OpenMode;
-import org.apache.sshd.common.NamedFactory;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpHelper;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.server.Command;
-import org.apache.sshd.server.session.ServerSession;
-import org.apache.sshd.server.subsystem.sftp.AbstractSftpEventListenerAdapter;
-import org.apache.sshd.server.subsystem.sftp.DefaultGroupPrincipal;
-import org.apache.sshd.server.subsystem.sftp.SftpEventListener;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystem;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemEnvironment;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
-import org.apache.sshd.util.test.JUnit4ClassRunnerWithParametersFactory;
-import org.apache.sshd.util.test.Utils;
-import org.junit.Before;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.MethodSorters;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
-import org.junit.runners.Parameterized.UseParametersRunnerFactory;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
-@UseParametersRunnerFactory(JUnit4ClassRunnerWithParametersFactory.class)
-public class SftpVersionsTest extends AbstractSftpClientTestSupport {
- private static final List<Integer> VERSIONS =
- Collections.unmodifiableList(
- IntStream.rangeClosed(SftpSubsystemEnvironment.LOWER_SFTP_IMPL, SftpSubsystemEnvironment.HIGHER_SFTP_IMPL)
- .boxed()
- .collect(Collectors.toList()));
-
- private final int testVersion;
-
- public SftpVersionsTest(int version) throws IOException {
- testVersion = version;
- }
-
- @Parameters(name = "version={0}")
- public static Collection<Object[]> parameters() {
- return parameterize(VERSIONS);
- }
-
- @Before
- public void setUp() throws Exception {
- setupServer();
- }
-
- public final int getTestedVersion() {
- return testVersion;
- }
-
- @Test // See SSHD-749
- public void testSftpOpenFlags() throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Path lclParent = assertHierarchyTargetFolderExists(lclSftp);
- Path lclFile = lclParent.resolve(getCurrentTestName() + "-" + getTestedVersion() + ".txt");
- Files.deleteIfExists(lclFile);
-
- Path parentPath = targetPath.getParent();
- String remotePath = Utils.resolveRelativeRemotePath(parentPath, lclFile);
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
- try (SftpClient sftp = session.createSftpClient(getTestedVersion())) {
- try (OutputStream out = sftp.write(remotePath, OpenMode.Create, OpenMode.Write)) {
- out.write(getCurrentTestName().getBytes(StandardCharsets.UTF_8));
- }
- assertTrue("File should exist on disk: " + lclFile, Files.exists(lclFile));
- sftp.remove(remotePath);
- }
- }
- }
-
- @Test
- public void testSftpVersionSelector() throws Exception {
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient(getTestedVersion())) {
- assertEquals("Mismatched negotiated version", getTestedVersion(), sftp.getVersion());
- }
- }
- }
-
- @Test // see SSHD-572
- public void testSftpFileTimesUpdate() throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Path lclFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + "-" + getTestedVersion() + ".txt");
- Files.write(lclFile, getClass().getName().getBytes(StandardCharsets.UTF_8));
- Path parentPath = targetPath.getParent();
- String remotePath = Utils.resolveRelativeRemotePath(parentPath, lclFile);
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient(getTestedVersion())) {
- Attributes attrs = sftp.lstat(remotePath);
- long expectedSeconds = TimeUnit.SECONDS.convert(System.currentTimeMillis() - TimeUnit.HOURS.toMillis(1L), TimeUnit.MILLISECONDS);
- attrs.getFlags().clear();
- attrs.modifyTime(expectedSeconds);
- sftp.setStat(remotePath, attrs);
-
- attrs = sftp.lstat(remotePath);
- long actualSeconds = attrs.getModifyTime().to(TimeUnit.SECONDS);
- // The NTFS file system delays updates to the last access time for a file by up to 1 hour after the last access
- if (expectedSeconds != actualSeconds) {
- System.err.append("Mismatched last modified time for ").append(lclFile.toString())
- .append(" - expected=").append(String.valueOf(expectedSeconds))
- .append('[').append(new Date(TimeUnit.SECONDS.toMillis(expectedSeconds)).toString()).append(']')
- .append(", actual=").append(String.valueOf(actualSeconds))
- .append('[').append(new Date(TimeUnit.SECONDS.toMillis(actualSeconds)).toString()).append(']')
- .println();
- }
- }
- }
- }
-
- @Test // see SSHD-573
- public void testSftpFileTypeAndPermissionsUpdate() throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Path subFolder = Files.createDirectories(lclSftp.resolve("sub-folder"));
- String subFolderName = subFolder.getFileName().toString();
- Path lclFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + "-" + getTestedVersion() + ".txt");
- String lclFileName = lclFile.getFileName().toString();
- Files.write(lclFile, getClass().getName().getBytes(StandardCharsets.UTF_8));
-
- Path parentPath = targetPath.getParent();
- String remotePath = Utils.resolveRelativeRemotePath(parentPath, lclSftp);
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient(getTestedVersion())) {
- for (DirEntry entry : sftp.readDir(remotePath)) {
- String fileName = entry.getFilename();
- if (".".equals(fileName) || "..".equals(fileName)) {
- continue;
- }
-
- Attributes attrs = validateSftpFileTypeAndPermissions(fileName, getTestedVersion(), entry.getAttributes());
- if (subFolderName.equals(fileName)) {
- assertEquals("Mismatched sub-folder type", SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY, attrs.getType());
- assertTrue("Sub-folder not marked as directory", attrs.isDirectory());
- } else if (lclFileName.equals(fileName)) {
- assertEquals("Mismatched sub-file type", SftpConstants.SSH_FILEXFER_TYPE_REGULAR, attrs.getType());
- assertTrue("Sub-folder not marked as directory", attrs.isRegularFile());
- }
- }
- }
- }
- }
-
- @Test // see SSHD-574
- public void testSftpACLEncodeDecode() throws Exception {
- AclEntryType[] types = AclEntryType.values();
- final List<AclEntry> aclExpected = new ArrayList<>(types.length);
- for (AclEntryType t : types) {
- aclExpected.add(AclEntry.newBuilder()
- .setType(t)
- .setFlags(EnumSet.allOf(AclEntryFlag.class))
- .setPermissions(EnumSet.allOf(AclEntryPermission.class))
- .setPrincipal(new DefaultGroupPrincipal(getCurrentTestName() + "@" + getClass().getPackage().getName()))
- .build());
- }
-
- final AtomicInteger numInvocations = new AtomicInteger(0);
- SftpSubsystemFactory factory = new SftpSubsystemFactory() {
- @Override
- public Command create() {
- SftpSubsystem subsystem = new SftpSubsystem(getExecutorService(), isShutdownOnExit(),
- getUnsupportedAttributePolicy(), getFileSystemAccessor(), getErrorStatusDataHandler()) {
- @Override
- protected NavigableMap<String, Object> resolveFileAttributes(Path file, int flags, LinkOption... options) throws IOException {
- NavigableMap<String, Object> attrs = super.resolveFileAttributes(file, flags, options);
- if (GenericUtils.isEmpty(attrs)) {
- attrs = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- }
-
- @SuppressWarnings("unchecked")
- List<AclEntry> aclActual = (List<AclEntry>) attrs.put("acl", aclExpected);
- if (aclActual != null) {
- log.info("resolveFileAttributes(" + file + ") replaced ACL: " + aclActual);
- }
- return attrs;
- }
-
- @Override
- protected void setFileAccessControl(Path file, List<AclEntry> aclActual, LinkOption... options) throws IOException {
- if (aclActual != null) {
- assertListEquals("Mismatched ACL set for file=" + file, aclExpected, aclActual);
- numInvocations.incrementAndGet();
- }
- }
- };
- Collection<? extends SftpEventListener> listeners = getRegisteredListeners();
- if (GenericUtils.size(listeners) > 0) {
- for (SftpEventListener l : listeners) {
- subsystem.addSftpEventListener(l);
- }
- }
-
- return subsystem;
- }
- };
-
- factory.addSftpEventListener(new AbstractSftpEventListenerAdapter() {
- @Override
- public void modifyingAttributes(ServerSession session, Path path, Map<String, ?> attrs) {
- @SuppressWarnings("unchecked")
- List<AclEntry> aclActual = GenericUtils.isEmpty(attrs) ? null : (List<AclEntry>) attrs.get("acl");
- if (getTestedVersion() > SftpConstants.SFTP_V3) {
- assertListEquals("Mismatched modifying ACL for file=" + path, aclExpected, aclActual);
- } else {
- assertNull("Unexpected modifying ACL for file=" + path, aclActual);
- }
- }
-
- @Override
- public void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown) {
- @SuppressWarnings("unchecked")
- List<AclEntry> aclActual = GenericUtils.isEmpty(attrs) ? null : (List<AclEntry>) attrs.get("acl");
- if (getTestedVersion() > SftpConstants.SFTP_V3) {
- assertListEquals("Mismatched modified ACL for file=" + path, aclExpected, aclActual);
- } else {
- assertNull("Unexpected modified ACL for file=" + path, aclActual);
- }
- }
- });
-
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Files.createDirectories(lclSftp.resolve("sub-folder"));
- Path lclFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + "-" + getTestedVersion() + ".txt");
- Files.write(lclFile, getClass().getName().getBytes(StandardCharsets.UTF_8));
-
- Path parentPath = targetPath.getParent();
- String remotePath = Utils.resolveRelativeRemotePath(parentPath, lclSftp);
- int numInvoked = 0;
-
- List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
- sshd.setSubsystemFactories(Collections.singletonList(factory));
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient(getTestedVersion())) {
- for (DirEntry entry : sftp.readDir(remotePath)) {
- String fileName = entry.getFilename();
- if (".".equals(fileName) || "..".equals(fileName)) {
- continue;
- }
-
- Attributes attrs = validateSftpFileTypeAndPermissions(fileName, getTestedVersion(), entry.getAttributes());
- List<AclEntry> aclActual = attrs.getAcl();
- if (getTestedVersion() == SftpConstants.SFTP_V3) {
- assertNull("Unexpected ACL for entry=" + fileName, aclActual);
- } else {
- assertListEquals("Mismatched ACL for entry=" + fileName, aclExpected, aclActual);
- }
-
- attrs.getFlags().clear();
- attrs.setAcl(aclExpected);
- sftp.setStat(remotePath + "/" + fileName, attrs);
- if (getTestedVersion() > SftpConstants.SFTP_V3) {
- numInvoked++;
- }
- }
- }
- } finally {
- sshd.setSubsystemFactories(factories);
- }
-
- assertEquals("Mismatched invocations count", numInvoked, numInvocations.get());
- }
-
- @Test // see SSHD-575
- public void testSftpExtensionsEncodeDecode() throws Exception {
- final Class<?> anchor = getClass();
- final Map<String, String> expExtensions = GenericUtils.<String, String>mapBuilder()
- .put("class", anchor.getSimpleName())
- .put("package", anchor.getPackage().getName())
- .put("method", getCurrentTestName())
- .build();
-
- final AtomicInteger numInvocations = new AtomicInteger(0);
- SftpSubsystemFactory factory = new SftpSubsystemFactory() {
- @Override
- public Command create() {
- SftpSubsystem subsystem = new SftpSubsystem(getExecutorService(), isShutdownOnExit(),
- getUnsupportedAttributePolicy(), getFileSystemAccessor(), getErrorStatusDataHandler()) {
- @Override
- protected NavigableMap<String, Object> resolveFileAttributes(Path file, int flags, LinkOption... options) throws IOException {
- NavigableMap<String, Object> attrs = super.resolveFileAttributes(file, flags, options);
- if (GenericUtils.isEmpty(attrs)) {
- attrs = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- }
-
- @SuppressWarnings("unchecked")
- Map<String, String> actExtensions = (Map<String, String>) attrs.put("extended", expExtensions);
- if (actExtensions != null) {
- log.info("resolveFileAttributes(" + file + ") replaced extensions: " + actExtensions);
- }
- return attrs;
- }
-
- @Override
- protected void setFileExtensions(Path file, Map<String, byte[]> extensions, LinkOption... options) throws IOException {
- assertExtensionsMapEquals("setFileExtensions(" + file + ")", expExtensions, extensions);
- numInvocations.incrementAndGet();
-
- int currentVersion = getTestedVersion();
- try {
- super.setFileExtensions(file, extensions, options);
- assertFalse("Expected exception not generated for version=" + currentVersion, currentVersion >= SftpConstants.SFTP_V6);
- } catch (UnsupportedOperationException e) {
- assertTrue("Unexpected exception for version=" + currentVersion, currentVersion >= SftpConstants.SFTP_V6);
- }
- }
- };
- Collection<? extends SftpEventListener> listeners = getRegisteredListeners();
- if (GenericUtils.size(listeners) > 0) {
- for (SftpEventListener l : listeners) {
- subsystem.addSftpEventListener(l);
- }
- }
-
- return subsystem;
- }
- };
-
- factory.addSftpEventListener(new AbstractSftpEventListenerAdapter() {
- @Override
- public void modifyingAttributes(ServerSession session, Path path, Map<String, ?> attrs) {
- @SuppressWarnings("unchecked")
- Map<String, byte[]> actExtensions = GenericUtils.isEmpty(attrs) ? null : (Map<String, byte[]>) attrs.get("extended");
- assertExtensionsMapEquals("modifying(" + path + ")", expExtensions, actExtensions);
- }
-
- @Override
- public void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown) {
- @SuppressWarnings("unchecked")
- Map<String, byte[]> actExtensions = GenericUtils.isEmpty(attrs) ? null : (Map<String, byte[]>) attrs.get("extended");
- assertExtensionsMapEquals("modified(" + path + ")", expExtensions, actExtensions);
- }
- });
-
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Files.createDirectories(lclSftp.resolve("sub-folder"));
- Path lclFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + "-" + getTestedVersion() + ".txt");
- Files.write(lclFile, getClass().getName().getBytes(StandardCharsets.UTF_8));
-
- Path parentPath = targetPath.getParent();
- String remotePath = Utils.resolveRelativeRemotePath(parentPath, lclSftp);
- int numInvoked = 0;
-
- List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
- sshd.setSubsystemFactories(Collections.singletonList(factory));
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient(getTestedVersion())) {
- for (DirEntry entry : sftp.readDir(remotePath)) {
- String fileName = entry.getFilename();
- if (".".equals(fileName) || "..".equals(fileName)) {
- continue;
- }
-
- Attributes attrs = validateSftpFileTypeAndPermissions(fileName, getTestedVersion(), entry.getAttributes());
- Map<String, byte[]> actExtensions = attrs.getExtensions();
- assertExtensionsMapEquals("dirEntry=" + fileName, expExtensions, actExtensions);
- attrs.getFlags().clear();
- attrs.setStringExtensions(expExtensions);
- sftp.setStat(remotePath + "/" + fileName, attrs);
- numInvoked++;
- }
- }
- } finally {
- sshd.setSubsystemFactories(factories);
- }
-
- assertEquals("Mismatched invocations count", numInvoked, numInvocations.get());
- }
-
- @Test // see SSHD-623
- public void testEndOfListIndicator() throws Exception {
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient(getTestedVersion())) {
- AtomicReference<Boolean> eolIndicator = new AtomicReference<>();
- int version = sftp.getVersion();
- Path targetPath = detectTargetFolder();
- Path parentPath = targetPath.getParent();
- String remotePath = Utils.resolveRelativeRemotePath(parentPath, targetPath);
-
- try (CloseableHandle handle = sftp.openDir(remotePath)) {
- List<DirEntry> entries = sftp.readDir(handle, eolIndicator);
- for (int index = 1; entries != null; entries = sftp.readDir(handle, eolIndicator), index++) {
- Boolean value = eolIndicator.get();
- if (version < SftpConstants.SFTP_V6) {
- assertNull("Unexpected indicator value at iteration #" + index, value);
- } else {
- assertNotNull("No indicator returned at iteration #" + index, value);
- if (value) {
- break;
- }
- }
- eolIndicator.set(null); // make sure starting fresh
- }
-
- Boolean value = eolIndicator.get();
- if (version < SftpConstants.SFTP_V6) {
- assertNull("Unexpected end-of-list indication received at end of entries", value);
- assertNull("Unexpected no last entries indication", entries);
- } else {
- assertNotNull("No end-of-list indication received at end of entries", value);
- assertNotNull("No last received entries", entries);
- assertTrue("Bad end-of-list value", value);
- }
- }
- }
- }
- }
-
- @Override
- public String toString() {
- return getClass().getSimpleName() + "[" + getTestedVersion() + "]";
- }
-
- public static void assertExtensionsMapEquals(String message, Map<String, String> expected, Map<String, byte[]> actual) {
- assertMapEquals(message, expected, SftpHelper.toStringExtensions(actual));
- }
-
- private static Attributes validateSftpFileTypeAndPermissions(String fileName, int version, Attributes attrs) {
- int actualPerms = attrs.getPermissions();
- if (version == SftpConstants.SFTP_V3) {
- int expected = SftpHelper.permissionsToFileType(actualPerms);
- assertEquals(fileName + ": Mismatched file type", expected, attrs.getType());
- } else {
- int expected = SftpHelper.fileTypeToPermission(attrs.getType());
- assertTrue(fileName + ": Missing permision=0x" + Integer.toHexString(expected) + " in 0x" + Integer.toHexString(actualPerms),
- (actualPerms & expected) == expected);
- }
-
- return attrs;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensionsTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensionsTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensionsTest.java
deleted file mode 100644
index e05105d..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensionsTest.java
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.util.test.BaseTestSupport;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runners.MethodSorters;
-import org.mockito.Mockito;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class BuiltinSftpClientExtensionsTest extends BaseTestSupport {
- public BuiltinSftpClientExtensionsTest() {
- super();
- }
-
- @Test
- public void testFromName() {
- for (String name : new String[]{null, "", getCurrentTestName()}) {
- assertNull("Unexpected result for name='" + name + "'", BuiltinSftpClientExtensions.fromName(name));
- }
-
- for (BuiltinSftpClientExtensions expected : BuiltinSftpClientExtensions.VALUES) {
- String name = expected.getName();
- for (int index = 0; index < name.length(); index++) {
- BuiltinSftpClientExtensions actual = BuiltinSftpClientExtensions.fromName(name);
- assertSame(name, expected, actual);
- name = shuffleCase(name);
- }
- }
- }
-
- @Test
- public void testFromType() {
- for (Class<?> clazz : new Class<?>[]{null, getClass(), SftpClientExtension.class}) {
- assertNull("Unexpected value for class=" + clazz, BuiltinSftpClientExtensions.fromType(clazz));
- }
-
- for (BuiltinSftpClientExtensions expected : BuiltinSftpClientExtensions.VALUES) {
- Class<?> type = expected.getType();
- BuiltinSftpClientExtensions actual = BuiltinSftpClientExtensions.fromType(type);
- assertSame(type.getSimpleName(), expected, actual);
- }
- }
-
- @Test
- public void testFromInstance() {
- for (Object instance : new Object[]{null, this}) {
- assertNull("Unexpected value for " + instance, BuiltinSftpClientExtensions.fromInstance(instance));
- }
-
- SftpClient mockClient = Mockito.mock(SftpClient.class);
- RawSftpClient mockRaw = Mockito.mock(RawSftpClient.class);
-
- for (BuiltinSftpClientExtensions expected : BuiltinSftpClientExtensions.VALUES) {
- SftpClientExtension e = expected.create(mockClient, mockRaw);
- BuiltinSftpClientExtensions actual = BuiltinSftpClientExtensions.fromInstance(e);
- assertSame(expected.getName(), expected, actual);
- assertEquals("Mismatched extension name", expected.getName(), actual.getName());
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtensionTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtensionTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtensionTest.java
deleted file mode 100644
index b491c61..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtensionTest.java
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
-import org.apache.sshd.client.subsystem.sftp.extensions.CheckFileHandleExtension;
-import org.apache.sshd.client.subsystem.sftp.extensions.CheckFileNameExtension;
-import org.apache.sshd.common.NamedFactory;
-import org.apache.sshd.common.NamedResource;
-import org.apache.sshd.common.digest.BuiltinDigests;
-import org.apache.sshd.common.digest.Digest;
-import org.apache.sshd.common.digest.DigestFactory;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.NumberUtils;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.util.test.JUnit4ClassRunnerWithParametersFactory;
-import org.apache.sshd.util.test.Utils;
-import org.junit.Before;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.MethodSorters;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
-import org.junit.runners.Parameterized.UseParametersRunnerFactory;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
-@UseParametersRunnerFactory(JUnit4ClassRunnerWithParametersFactory.class)
-public class AbstractCheckFileExtensionTest extends AbstractSftpClientTestSupport {
- private static final Collection<Integer> DATA_SIZES =
- Collections.unmodifiableList(
- Arrays.asList(
- (int) Byte.MAX_VALUE,
- SftpConstants.MIN_CHKFILE_BLOCKSIZE,
- IoUtils.DEFAULT_COPY_SIZE,
- Byte.SIZE * IoUtils.DEFAULT_COPY_SIZE
- ));
- private static final Collection<Integer> BLOCK_SIZES =
- Collections.unmodifiableList(
- Arrays.asList(
- 0,
- SftpConstants.MIN_CHKFILE_BLOCKSIZE,
- 1024,
- IoUtils.DEFAULT_COPY_SIZE
- ));
- private static final Collection<Object[]> PARAMETERS;
-
- static {
- Collection<Object[]> list = new ArrayList<>();
- for (DigestFactory factory : BuiltinDigests.VALUES) {
- if (!factory.isSupported()) {
- System.out.println("Skip unsupported digest=" + factory.getAlgorithm());
- continue;
- }
-
- String algorithm = factory.getName();
- for (Number dataSize : DATA_SIZES) {
- for (Number blockSize : BLOCK_SIZES) {
- list.add(new Object[]{algorithm, dataSize, blockSize});
- }
- }
- }
- PARAMETERS = list;
- }
-
-
- private final String algorithm;
- private final int dataSize;
- private final int blockSize;
-
- public AbstractCheckFileExtensionTest(String algorithm, int dataSize, int blockSize) throws IOException {
- this.algorithm = algorithm;
- this.dataSize = dataSize;
- this.blockSize = blockSize;
- }
-
- @Parameters(name = "{0} - dataSize={1}, blockSize={2}")
- public static Collection<Object[]> parameters() {
- return PARAMETERS;
- }
-
- @Before
- public void setUp() throws Exception {
- setupServer();
- }
-
- @Test
- public void testCheckFileExtension() throws Exception {
- testCheckFileExtension(algorithm, dataSize, blockSize);
- }
-
- private void testCheckFileExtension(String expectedAlgorithm, int inputDataSize, int hashBlockSize) throws Exception {
- NamedFactory<? extends Digest> factory = BuiltinDigests.fromFactoryName(expectedAlgorithm);
- Digest digest = null;
- if (blockSize == 0) {
- digest = factory.create();
- digest.init();
- }
-
- byte[] seed = (getClass().getName() + "#" + getCurrentTestName()
- + "-" + expectedAlgorithm
- + "-" + inputDataSize + "/" + hashBlockSize
- + IoUtils.EOL)
- .getBytes(StandardCharsets.UTF_8);
-
- try (ByteArrayOutputStream baos = new ByteArrayOutputStream(inputDataSize + seed.length)) {
- while (baos.size() < inputDataSize) {
- baos.write(seed);
-
- if (digest != null) {
- digest.update(seed);
- }
- }
-
- testCheckFileExtension(factory, baos.toByteArray(), hashBlockSize, (digest == null) ? null : digest.digest());
- }
- }
-
- @SuppressWarnings("checkstyle:nestedtrydepth")
- private void testCheckFileExtension(NamedFactory<? extends Digest> factory, byte[] data, int hashBlockSize, byte[] expectedHash) throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Path srcFile = assertHierarchyTargetFolderExists(lclSftp).resolve(factory.getName() + "-data-" + data.length + "-" + hashBlockSize + ".txt");
- Files.write(srcFile, data, IoUtils.EMPTY_OPEN_OPTIONS);
-
- List<String> algorithms = new ArrayList<>(BuiltinDigests.VALUES.size());
- // put the selected algorithm 1st and then the rest
- algorithms.add(factory.getName());
- for (NamedFactory<? extends Digest> f : BuiltinDigests.VALUES) {
- if (f == factory) {
- continue;
- }
-
- algorithms.add(f.getName());
- }
-
- Path parentPath = targetPath.getParent();
- String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
- String srcFolder = Utils.resolveRelativeRemotePath(parentPath, srcFile.getParent());
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- CheckFileNameExtension file = assertExtensionCreated(sftp, CheckFileNameExtension.class);
- try {
- Map.Entry<String, ?> result = file.checkFileName(srcFolder, algorithms, 0L, 0L, hashBlockSize);
- fail("Unexpected success to hash folder=" + srcFolder + ": " + result.getKey());
- } catch (IOException e) { // expected - not allowed to hash a folder
- assertTrue("Not an SftpException", e instanceof SftpException);
- }
-
- CheckFileHandleExtension hndl = assertExtensionCreated(sftp, CheckFileHandleExtension.class);
- try (CloseableHandle dirHandle = sftp.openDir(srcFolder)) {
- try {
- Map.Entry<String, ?> result = hndl.checkFileHandle(dirHandle, algorithms, 0L, 0L, hashBlockSize);
- fail("Unexpected handle success on folder=" + srcFolder + ": " + result.getKey());
- } catch (IOException e) { // expected - not allowed to hash a folder
- assertTrue("Not an SftpException", e instanceof SftpException);
- }
- }
-
- validateHashResult(file, file.checkFileName(srcPath, algorithms, 0L, 0L, hashBlockSize), algorithms.get(0), expectedHash);
- try (CloseableHandle fileHandle = sftp.open(srcPath, SftpClient.OpenMode.Read)) {
- validateHashResult(hndl, hndl.checkFileHandle(fileHandle, algorithms, 0L, 0L, hashBlockSize), algorithms.get(0), expectedHash);
- }
- }
- }
- }
-
- private void validateHashResult(NamedResource hasher, Map.Entry<String, ? extends Collection<byte[]>> result, String expectedAlgorithm, byte[] expectedHash) {
- String name = hasher.getName();
- assertNotNull("No result for hash=" + name, result);
- assertEquals("Mismatched hash algorithms for " + name, expectedAlgorithm, result.getKey());
-
- if (NumberUtils.length(expectedHash) > 0) {
- Collection<byte[]> values = result.getValue();
- assertEquals("Mismatched hash values count for " + name, 1, GenericUtils.size(values));
-
- byte[] actualHash = values.iterator().next();
- if (!Arrays.equals(expectedHash, actualHash)) {
- fail("Mismatched hashes for " + name
- + ": expected=" + BufferUtils.toHex(':', expectedHash)
- + ", actual=" + BufferUtils.toHex(':', expectedHash));
- }
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtensionTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtensionTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtensionTest.java
deleted file mode 100644
index fc3c607..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtensionTest.java
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
-import org.apache.sshd.client.subsystem.sftp.extensions.MD5FileExtension;
-import org.apache.sshd.client.subsystem.sftp.extensions.MD5HandleExtension;
-import org.apache.sshd.common.digest.BuiltinDigests;
-import org.apache.sshd.common.digest.Digest;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.util.test.JUnit4ClassRunnerWithParametersFactory;
-import org.apache.sshd.util.test.Utils;
-import org.junit.Assume;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.MethodSorters;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
-import org.junit.runners.Parameterized.UseParametersRunnerFactory;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
-@UseParametersRunnerFactory(JUnit4ClassRunnerWithParametersFactory.class)
-public class AbstractMD5HashExtensionTest extends AbstractSftpClientTestSupport {
- private static final List<Integer> DATA_SIZES =
- Collections.unmodifiableList(
- Arrays.asList(
- (int) Byte.MAX_VALUE,
- SftpConstants.MD5_QUICK_HASH_SIZE,
- IoUtils.DEFAULT_COPY_SIZE,
- Byte.SIZE * IoUtils.DEFAULT_COPY_SIZE
- ));
-
- private final int size;
-
- public AbstractMD5HashExtensionTest(int size) throws IOException {
- this.size = size;
- }
-
- @Parameters(name = "dataSize={0}")
- public static Collection<Object[]> parameters() {
- return parameterize(DATA_SIZES);
- }
-
- @BeforeClass
- public static void checkMD5Supported() {
- Assume.assumeTrue("MD5 not supported", BuiltinDigests.md5.isSupported());
- }
-
- @Before
- public void setUp() throws Exception {
- setupServer();
- }
-
- @Test
- public void testMD5HashExtension() throws Exception {
- testMD5HashExtension(size);
- }
-
- private void testMD5HashExtension(int dataSize) throws Exception {
- byte[] seed = (getClass().getName() + "#" + getCurrentTestName() + "-" + dataSize + IoUtils.EOL).getBytes(StandardCharsets.UTF_8);
- try (ByteArrayOutputStream baos = new ByteArrayOutputStream(dataSize + seed.length)) {
- while (baos.size() < dataSize) {
- baos.write(seed);
- }
-
- testMD5HashExtension(baos.toByteArray());
- }
- }
-
- @SuppressWarnings("checkstyle:nestedtrydepth")
- private void testMD5HashExtension(byte[] data) throws Exception {
- Digest digest = BuiltinDigests.md5.create();
- digest.init();
- digest.update(data);
-
- byte[] expectedHash = digest.digest();
- byte[] quickHash = expectedHash;
- if (data.length > SftpConstants.MD5_QUICK_HASH_SIZE) {
- byte[] quickData = new byte[SftpConstants.MD5_QUICK_HASH_SIZE];
- System.arraycopy(data, 0, quickData, 0, quickData.length);
- digest = BuiltinDigests.md5.create();
- digest.init();
- digest.update(quickData);
- quickHash = digest.digest();
- }
-
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Path srcFile = assertHierarchyTargetFolderExists(lclSftp).resolve("data-" + data.length + ".txt");
- Files.write(srcFile, data, IoUtils.EMPTY_OPEN_OPTIONS);
-
- Path parentPath = targetPath.getParent();
- String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
- String srcFolder = Utils.resolveRelativeRemotePath(parentPath, srcFile.getParent());
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- MD5FileExtension file = assertExtensionCreated(sftp, MD5FileExtension.class);
- try {
- byte[] actual = file.getHash(srcFolder, 0L, 0L, quickHash);
- fail("Unexpected file success on folder=" + srcFolder + ": " + BufferUtils.toHex(':', actual));
- } catch (IOException e) { // expected - not allowed to hash a folder
- assertTrue("Not an SftpException for file hash on " + srcFolder, e instanceof SftpException);
- }
-
- MD5HandleExtension hndl = assertExtensionCreated(sftp, MD5HandleExtension.class);
- try (CloseableHandle dirHandle = sftp.openDir(srcFolder)) {
- try {
- byte[] actual = hndl.getHash(dirHandle, 0L, 0L, quickHash);
- fail("Unexpected handle success on folder=" + srcFolder + ": " + BufferUtils.toHex(':', actual));
- } catch (IOException e) { // expected - not allowed to hash a folder
- assertTrue("Not an SftpException for handle hash on " + srcFolder, e instanceof SftpException);
- }
- }
-
- try (CloseableHandle fileHandle = sftp.open(srcPath, SftpClient.OpenMode.Read)) {
- for (byte[] qh : new byte[][]{GenericUtils.EMPTY_BYTE_ARRAY, quickHash}) {
- for (boolean useFile : new boolean[]{true, false}) {
- byte[] actualHash = useFile ? file.getHash(srcPath, 0L, 0L, qh) : hndl.getHash(fileHandle, 0L, 0L, qh);
- String type = useFile ? file.getClass().getSimpleName() : hndl.getClass().getSimpleName();
- if (!Arrays.equals(expectedHash, actualHash)) {
- fail("Mismatched hash for quick=" + BufferUtils.toHex(':', qh)
- + " using " + type + " on " + srcFile
- + ": expected=" + BufferUtils.toHex(':', expectedHash)
- + ", actual=" + BufferUtils.toHex(':', actualHash));
- }
- }
- }
- }
- }
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImplTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImplTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImplTest.java
deleted file mode 100644
index 473ad1f..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImplTest.java
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.nio.ByteBuffer;
-import java.nio.channels.FileChannel;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.LinkOption;
-import java.nio.file.Path;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
-import org.apache.sshd.client.subsystem.sftp.extensions.CopyDataExtension;
-import org.apache.sshd.common.Factory;
-import org.apache.sshd.common.random.Random;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.util.test.JUnit4ClassRunnerWithParametersFactory;
-import org.apache.sshd.util.test.Utils;
-import org.junit.Before;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.MethodSorters;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
-import org.junit.runners.Parameterized.UseParametersRunnerFactory;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
-@UseParametersRunnerFactory(JUnit4ClassRunnerWithParametersFactory.class)
-public class CopyDataExtensionImplTest extends AbstractSftpClientTestSupport {
- private static final List<Object[]> PARAMETERS =
- Collections.unmodifiableList(
- Arrays.asList(
- new Object[]{
- Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE),
- Integer.valueOf(0),
- Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE),
- Long.valueOf(0L)
- },
- new Object[]{
- Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE),
- Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE / 2),
- Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE / 4),
- Long.valueOf(0L)
- },
- new Object[]{
- Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE),
- Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE / 2),
- Integer.valueOf(IoUtils.DEFAULT_COPY_SIZE / 4),
- Long.valueOf(IoUtils.DEFAULT_COPY_SIZE / 2)
- },
- new Object[]{
- Integer.valueOf(Byte.MAX_VALUE),
- Integer.valueOf(Byte.MAX_VALUE / 2),
- Integer.valueOf(Byte.MAX_VALUE), // attempt to read more than available
- Long.valueOf(0L)
- }
- ));
-
- private int size;
- private int srcOffset;
- private int length;
- private long dstOffset;
-
- public CopyDataExtensionImplTest(int size, int srcOffset, int length, long dstOffset) throws IOException {
- this.size = size;
- this.srcOffset = srcOffset;
- this.length = length;
- this.dstOffset = dstOffset;
- }
-
- @Parameters(name = "size={0}, readOffset={1}, readLength={2}, writeOffset={3}")
- public static Collection<Object[]> parameters() {
- return PARAMETERS;
- }
-
- @Before
- public void setUp() throws Exception {
- setupServer();
- }
-
- @Test
- public void testCopyDataExtension() throws Exception {
- testCopyDataExtension(size, srcOffset, length, dstOffset);
- }
-
- private void testCopyDataExtension(int dataSize, int readOffset, int readLength, long writeOffset) throws Exception {
- byte[] seed = (getClass().getName() + "#" + getCurrentTestName()
- + "-" + dataSize
- + "-" + readOffset + "/" + readLength + "/" + writeOffset
- + IoUtils.EOL)
- .getBytes(StandardCharsets.UTF_8);
- try (ByteArrayOutputStream baos = new ByteArrayOutputStream(dataSize + seed.length)) {
- while (baos.size() < dataSize) {
- baos.write(seed);
- }
-
- testCopyDataExtension(baos.toByteArray(), readOffset, readLength, writeOffset);
- }
- }
-
- private void testCopyDataExtension(byte[] data, int readOffset, int readLength, long writeOffset) throws Exception {
- Path targetPath = detectTargetFolder();
- Path parentPath = targetPath.getParent();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- LinkOption[] options = IoUtils.getLinkOptions(true);
- String baseName = readOffset + "-" + readLength + "-" + writeOffset;
- Path srcFile = assertHierarchyTargetFolderExists(lclSftp, options).resolve(baseName + "-src.txt");
- Files.write(srcFile, data, IoUtils.EMPTY_OPEN_OPTIONS);
- String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
-
- Path dstFile = srcFile.getParent().resolve(baseName + "-dst.txt");
- if (Files.exists(dstFile, options)) {
- Files.delete(dstFile);
- }
- String dstPath = Utils.resolveRelativeRemotePath(parentPath, dstFile);
- if (writeOffset > 0L) {
- Factory<? extends Random> factory = client.getRandomFactory();
- Random randomizer = factory.create();
- long totalLength = writeOffset + readLength;
- byte[] workBuf = new byte[(int) Math.min(totalLength, IoUtils.DEFAULT_COPY_SIZE)];
- try (OutputStream output = Files.newOutputStream(dstFile, IoUtils.EMPTY_OPEN_OPTIONS)) {
- while (totalLength > 0L) {
- randomizer.fill(workBuf);
- output.write(workBuf);
- totalLength -= workBuf.length;
- }
- }
- }
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- CopyDataExtension ext = assertExtensionCreated(sftp, CopyDataExtension.class);
- try (CloseableHandle readHandle = sftp.open(srcPath, SftpClient.OpenMode.Read);
- CloseableHandle writeHandle = sftp.open(dstPath, SftpClient.OpenMode.Write, SftpClient.OpenMode.Create)) {
- ext.copyData(readHandle, readOffset, readLength, writeHandle, writeOffset);
- }
- }
- }
-
- int available = data.length;
- int required = readOffset + readLength;
- if (required > available) {
- required = available;
- }
- byte[] expected = new byte[required - readOffset];
- System.arraycopy(data, readOffset, expected, 0, expected.length);
-
- byte[] actual = new byte[expected.length];
- try (FileChannel channel = FileChannel.open(dstFile, IoUtils.EMPTY_OPEN_OPTIONS)) {
- int readLen = channel.read(ByteBuffer.wrap(actual), writeOffset);
- assertEquals("Mismatched read data size", expected.length, readLen);
- }
- assertArrayEquals("Mismatched copy data", expected, actual);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImplTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImplTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImplTest.java
deleted file mode 100644
index 309a145..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImplTest.java
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.LinkOption;
-import java.nio.file.Path;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.CopyFileExtension;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.util.test.Utils;
-import org.junit.Before;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runners.MethodSorters;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class CopyFileExtensionImplTest extends AbstractSftpClientTestSupport {
- public CopyFileExtensionImplTest() throws IOException {
- super();
- }
-
- @Before
- public void setUp() throws Exception {
- setupServer();
- }
-
- @Test
- public void testCopyFileExtension() throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Utils.deleteRecursive(lclSftp);
-
- byte[] data = (getClass().getName() + "#" + getCurrentTestName()).getBytes(StandardCharsets.UTF_8);
- Path srcFile = assertHierarchyTargetFolderExists(lclSftp).resolve("src.txt");
- Files.write(srcFile, data, IoUtils.EMPTY_OPEN_OPTIONS);
-
- Path parentPath = targetPath.getParent();
- String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
- Path dstFile = lclSftp.resolve("dst.txt");
- String dstPath = Utils.resolveRelativeRemotePath(parentPath, dstFile);
-
- LinkOption[] options = IoUtils.getLinkOptions(true);
- assertFalse("Destination file unexpectedly exists", Files.exists(dstFile, options));
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- CopyFileExtension ext = assertExtensionCreated(sftp, CopyFileExtension.class);
- ext.copyFile(srcPath, dstPath, false);
- assertTrue("Source file not preserved", Files.exists(srcFile, options));
- assertTrue("Destination file not created", Files.exists(dstFile, options));
-
- byte[] actual = Files.readAllBytes(dstFile);
- assertArrayEquals("Mismatched copied data", data, actual);
-
- try {
- ext.copyFile(srcPath, dstPath, false);
- fail("Unexpected success to overwrite existing destination: " + dstFile);
- } catch (IOException e) {
- assertTrue("Not an SftpException", e instanceof SftpException);
- }
- }
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImplTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImplTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImplTest.java
deleted file mode 100644
index 1a879ec..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImplTest.java
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.io.StreamCorruptedException;
-import java.nio.file.FileStore;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.Collections;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.SpaceAvailableExtension;
-import org.apache.sshd.common.NamedFactory;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.SpaceAvailableExtensionInfo;
-import org.apache.sshd.server.Command;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystem;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
-import org.apache.sshd.util.test.Utils;
-import org.junit.Before;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runners.MethodSorters;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class SpaceAvailableExtensionImplTest extends AbstractSftpClientTestSupport {
- public SpaceAvailableExtensionImplTest() throws IOException {
- super();
- }
-
- @Before
- public void setUp() throws Exception {
- setupServer();
- }
-
- @Test
- public void testFileStoreReport() throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
- Path parentPath = targetPath.getParent();
- FileStore store = Files.getFileStore(lclSftp.getRoot());
- final String queryPath = Utils.resolveRelativeRemotePath(parentPath, lclSftp);
- final SpaceAvailableExtensionInfo expected = new SpaceAvailableExtensionInfo(store);
-
- List<NamedFactory<Command>> factories = sshd.getSubsystemFactories();
- sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory() {
- @Override
- public Command create() {
- return new SftpSubsystem(getExecutorService(), isShutdownOnExit(),
- getUnsupportedAttributePolicy(), getFileSystemAccessor(), getErrorStatusDataHandler()) {
- @Override
- protected SpaceAvailableExtensionInfo doSpaceAvailable(int id, String path) throws IOException {
- if (!queryPath.equals(path)) {
- throw new StreamCorruptedException("Mismatched query paths: expected=" + queryPath + ", actual=" + path);
- }
-
- return expected;
- }
- };
- }
- }));
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- SpaceAvailableExtension ext = assertExtensionCreated(sftp, SpaceAvailableExtension.class);
- SpaceAvailableExtensionInfo actual = ext.available(queryPath);
- assertEquals("Mismatched information", expected, actual);
- }
- } finally {
- sshd.setSubsystemFactories(factories);
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHExtensionsTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHExtensionsTest.java b/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHExtensionsTest.java
deleted file mode 100644
index 9a24863..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHExtensionsTest.java
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers;
-
-import java.io.IOException;
-import java.io.StreamCorruptedException;
-import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicReference;
-
-import org.apache.sshd.client.SshClient;
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.AbstractSftpClientTestSupport;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHFsyncExtension;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatHandleExtension;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatPathExtension;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.AbstractOpenSSHExtensionParser.OpenSSHExtension;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FstatVfsExtensionParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.StatVfsExtensionParser;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.server.Command;
-import org.apache.sshd.server.session.ServerSession;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystem;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
-import org.apache.sshd.util.test.Utils;
-import org.junit.Before;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runners.MethodSorters;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class OpenSSHExtensionsTest extends AbstractSftpClientTestSupport {
- public OpenSSHExtensionsTest() throws IOException {
- super();
- }
-
- @Before
- public void setUp() throws Exception {
- setupServer();
- }
-
- @Test
- public void testFsync() throws IOException {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Path srcFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + ".txt");
- byte[] expected = (getClass().getName() + "#" + getCurrentTestName()).getBytes(StandardCharsets.UTF_8);
-
- Path parentPath = targetPath.getParent();
- String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- OpenSSHFsyncExtension fsync = assertExtensionCreated(sftp, OpenSSHFsyncExtension.class);
- try (CloseableHandle fileHandle = sftp.open(srcPath, SftpClient.OpenMode.Write, SftpClient.OpenMode.Create)) {
- sftp.write(fileHandle, 0L, expected);
- fsync.fsync(fileHandle);
-
- byte[] actual = Files.readAllBytes(srcFile);
- assertArrayEquals("Mismatched written data", expected, actual);
- }
- }
- }
- }
-
- @Test
- public void testStat() throws Exception {
- Path targetPath = detectTargetFolder();
- Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
- Path srcFile = assertHierarchyTargetFolderExists(lclSftp).resolve(getCurrentTestName() + ".txt");
- Files.write(srcFile, (getClass().getName() + "#" + getCurrentTestName()).getBytes(StandardCharsets.UTF_8), IoUtils.EMPTY_OPEN_OPTIONS);
- Path parentPath = targetPath.getParent();
- String srcPath = Utils.resolveRelativeRemotePath(parentPath, srcFile);
-
- final AtomicReference<String> extensionHolder = new AtomicReference<>(null);
- final OpenSSHStatExtensionInfo expected = new OpenSSHStatExtensionInfo();
- expected.f_bavail = Short.MAX_VALUE;
- expected.f_bfree = Integer.MAX_VALUE;
- expected.f_blocks = Short.MAX_VALUE;
- expected.f_bsize = IoUtils.DEFAULT_COPY_SIZE;
- expected.f_favail = Long.MAX_VALUE;
- expected.f_ffree = Byte.MAX_VALUE;
- expected.f_files = 3777347L;
- expected.f_flag = OpenSSHStatExtensionInfo.SSH_FXE_STATVFS_ST_RDONLY;
- expected.f_frsize = 7365L;
- expected.f_fsid = 1L;
- expected.f_namemax = 256;
-
- sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory() {
- @Override
- public Command create() {
- return new SftpSubsystem(getExecutorService(), isShutdownOnExit(),
- getUnsupportedAttributePolicy(), getFileSystemAccessor(), getErrorStatusDataHandler()) {
- @Override
- protected List<OpenSSHExtension> resolveOpenSSHExtensions(ServerSession session) {
- List<OpenSSHExtension> original = super.resolveOpenSSHExtensions(session);
- int numOriginal = GenericUtils.size(original);
- List<OpenSSHExtension> result = new ArrayList<>(numOriginal + 2);
- if (numOriginal > 0) {
- result.addAll(original);
- }
-
- for (String name : new String[]{StatVfsExtensionParser.NAME, FstatVfsExtensionParser.NAME}) {
- result.add(new OpenSSHExtension(name, "2"));
- }
-
- return result;
- }
-
- @Override
- protected void executeExtendedCommand(Buffer buffer, int id, String extension) throws IOException {
- if (StatVfsExtensionParser.NAME.equals(extension)
- || FstatVfsExtensionParser.NAME.equals(extension)) {
- String prev = extensionHolder.getAndSet(extension);
- if (prev != null) {
- throw new StreamCorruptedException("executeExtendedCommand(" + extension + ") previous not null: " + prev);
- }
-
- buffer.clear();
- buffer.putByte((byte) SftpConstants.SSH_FXP_EXTENDED_REPLY);
- buffer.putInt(id);
- OpenSSHStatExtensionInfo.encode(buffer, expected);
- send(buffer);
- } else {
- super.executeExtendedCommand(buffer, id, extension);
- }
- }
- };
- }
- }));
-
- try (SshClient client = setupTestClient()) {
- client.start();
-
- try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
- session.addPasswordIdentity(getCurrentTestName());
- session.auth().verify(5L, TimeUnit.SECONDS);
-
- try (SftpClient sftp = session.createSftpClient()) {
- OpenSSHStatPathExtension pathStat = assertExtensionCreated(sftp, OpenSSHStatPathExtension.class);
- OpenSSHStatExtensionInfo actual = pathStat.stat(srcPath);
- String invokedExtension = extensionHolder.getAndSet(null);
- assertEquals("Mismatched invoked extension", pathStat.getName(), invokedExtension);
- assertOpenSSHStatExtensionInfoEquals(invokedExtension, expected, actual);
-
- try (CloseableHandle handle = sftp.open(srcPath)) {
- OpenSSHStatHandleExtension handleStat = assertExtensionCreated(sftp, OpenSSHStatHandleExtension.class);
- actual = handleStat.stat(handle);
- invokedExtension = extensionHolder.getAndSet(null);
- assertEquals("Mismatched invoked extension", handleStat.getName(), invokedExtension);
- assertOpenSSHStatExtensionInfoEquals(invokedExtension, expected, actual);
- }
- }
- }
- }
- }
-
- private static void assertOpenSSHStatExtensionInfoEquals(String extension, OpenSSHStatExtensionInfo expected, OpenSSHStatExtensionInfo actual) throws Exception {
- Field[] fields = expected.getClass().getFields();
- for (Field f : fields) {
- String name = f.getName();
- int mod = f.getModifiers();
- if (Modifier.isStatic(mod)) {
- continue;
- }
-
- Object expValue = f.get(expected);
- Object actValue = f.get(actual);
- assertEquals(extension + "[" + name + "]", expValue, actValue);
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/common/channel/TestChannelListener.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/common/channel/TestChannelListener.java b/sshd-core/src/test/java/org/apache/sshd/common/channel/TestChannelListener.java
deleted file mode 100644
index 6f8a128..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/common/channel/TestChannelListener.java
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.common.channel;
-
-import java.util.Collection;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.CopyOnWriteArrayList;
-import java.util.concurrent.CopyOnWriteArraySet;
-import java.util.concurrent.Semaphore;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.sshd.common.NamedResource;
-import org.apache.sshd.common.util.logging.AbstractLoggingBean;
-import org.junit.Assert;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class TestChannelListener extends AbstractLoggingBean implements ChannelListener, NamedResource {
- private final String name;
- private final Collection<Channel> activeChannels = new CopyOnWriteArraySet<>();
- private final Semaphore activeChannelsCounter = new Semaphore(0);
- private final Collection<Channel> openChannels = new CopyOnWriteArraySet<>();
- private final Semaphore openChannelsCounter = new Semaphore(0);
- private final Collection<Channel> failedChannels = new CopyOnWriteArraySet<>();
- private final Semaphore failedChannelsCounter = new Semaphore(0);
- private final Map<Channel, Collection<String>> channelStateHints = new ConcurrentHashMap<>();
- private final Semaphore chanelStateCounter = new Semaphore(0);
- private final Semaphore modificationsCounter = new Semaphore(0);
- private final Semaphore closedChannelsCounter = new Semaphore(0);
-
- public TestChannelListener(String discriminator) {
- super(discriminator);
- name = discriminator;
- }
-
- public boolean waitForModification(long timeout, TimeUnit unit) throws InterruptedException {
- return modificationsCounter.tryAcquire(timeout, unit);
- }
-
- @Override
- public String getName() {
- return name;
- }
-
- public Collection<Channel> getActiveChannels() {
- return activeChannels;
- }
-
- @Override
- public void channelInitialized(Channel channel) {
- Assert.assertTrue("Same channel instance re-initialized: " + channel, activeChannels.add(channel));
- activeChannelsCounter.release();
- modificationsCounter.release();
- log.info("channelInitialized({})", channel);
- }
-
- public boolean waitForActiveChannelsChange(long timeout, TimeUnit unit) throws InterruptedException {
- return activeChannelsCounter.tryAcquire(timeout, unit);
- }
-
- public Collection<Channel> getOpenChannels() {
- return openChannels;
- }
-
- @Override
- public void channelOpenSuccess(Channel channel) {
- Assert.assertTrue("Open channel not activated: " + channel, activeChannels.contains(channel));
- Assert.assertTrue("Same channel instance re-opened: " + channel, openChannels.add(channel));
- openChannelsCounter.release();
- modificationsCounter.release();
- log.info("channelOpenSuccess({})", channel);
- }
-
- public boolean waitForOpenChannelsChange(long timeout, TimeUnit unit) throws InterruptedException {
- return openChannelsCounter.tryAcquire(timeout, unit);
- }
-
- public Collection<Channel> getFailedChannels() {
- return failedChannels;
- }
-
- @Override
- public void channelOpenFailure(Channel channel, Throwable reason) {
- Assert.assertTrue("Failed channel not activated: " + channel, activeChannels.contains(channel));
- Assert.assertTrue("Same channel instance re-failed: " + channel, failedChannels.add(channel));
- failedChannelsCounter.release();
- modificationsCounter.release();
- log.warn("channelOpenFailure({}) {} : {}", channel, reason.getClass().getSimpleName(), reason.getMessage());
- if (log.isDebugEnabled()) {
- log.debug("channelOpenFailure(" + channel + ") details", reason);
- }
- }
-
- public boolean waitForFailedChannelsChange(long timeout, TimeUnit unit) throws InterruptedException {
- return failedChannelsCounter.tryAcquire(timeout, unit);
- }
-
- @Override
- public void channelClosed(Channel channel, Throwable reason) {
- Assert.assertTrue("Unknown closed channel instance: " + channel, activeChannels.remove(channel));
- activeChannelsCounter.release();
- closedChannelsCounter.release();
- modificationsCounter.release();
- log.info("channelClosed({})", channel);
- }
-
- public boolean waitForClosedChannelsChange(long timeout, TimeUnit unit) throws InterruptedException {
- return closedChannelsCounter.tryAcquire(timeout, unit);
- }
-
- public Map<Channel, Collection<String>> getChannelStateHints() {
- return channelStateHints;
- }
-
- @Override
- public void channelStateChanged(Channel channel, String hint) {
- Collection<String> hints;
- synchronized (channelStateHints) {
- hints = channelStateHints.get(channel);
- if (hints == null) {
- hints = new CopyOnWriteArrayList<>();
- channelStateHints.put(channel, hints);
- }
- }
-
- hints.add(hint);
- chanelStateCounter.release();
- modificationsCounter.release();
- }
-
- @Override
- public String toString() {
- return getClass().getSimpleName() + "[" + getName() + "]";
- }
-}
\ No newline at end of file
[28/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirEntryIterator.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirEntryIterator.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirEntryIterator.java
deleted file mode 100644
index abf3a1d..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirEntryIterator.java
+++ /dev/null
@@ -1,194 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.Closeable;
-import java.io.IOException;
-import java.nio.channels.Channel;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Objects;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicReference;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.logging.AbstractLoggingBean;
-
-/**
- * Iterates over the available directory entries for a given path. <B>Note:</B>
- * if the iteration is carried out until no more entries are available, then
- * no need to close the iterator. Otherwise, it is recommended to close it so
- * as to release the internal handle.
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpDirEntryIterator extends AbstractLoggingBean implements Iterator<DirEntry>, Channel {
- private final AtomicReference<Boolean> eolIndicator = new AtomicReference<>();
- private final AtomicBoolean open = new AtomicBoolean(true);
- private final SftpClient client;
- private final String dirPath;
- private final boolean closeOnFinished;
- private Handle dirHandle;
- private List<DirEntry> dirEntries;
- private int index;
-
- /**
- * @param client The {@link SftpClient} instance to use for the iteration
- * @param path The remote directory path
- * @throws IOException If failed to gain access to the remote directory path
- */
- public SftpDirEntryIterator(SftpClient client, String path) throws IOException {
- this(client, path, client.openDir(path), true);
- }
-
- /**
- * @param client The {@link SftpClient} instance to use for the iteration
- * @param dirHandle The directory {@link Handle} to use for listing the entries
- */
- public SftpDirEntryIterator(SftpClient client, Handle dirHandle) {
- this(client, Objects.toString(dirHandle, null), dirHandle, false);
- }
-
- /**
- * @param client The {@link SftpClient} instance to use for the iteration
- * @param path A hint as to the remote directory path - used only for logging
- * @param dirHandle The directory {@link Handle} to use for listing the entries
- * @param closeOnFinished If {@code true} then close the directory handle when
- * all entries have been exhausted
- */
- public SftpDirEntryIterator(SftpClient client, String path, Handle dirHandle, boolean closeOnFinished) {
- this.client = Objects.requireNonNull(client, "No SFTP client instance");
- this.dirPath = ValidateUtils.checkNotNullAndNotEmpty(path, "No path");
- this.dirHandle = Objects.requireNonNull(dirHandle, "No directory handle");
- this.closeOnFinished = closeOnFinished;
- this.dirEntries = load(dirHandle);
- }
-
- /**
- * The client instance
- *
- * @return {@link SftpClient} instance used to access the remote folder
- */
- public final SftpClient getClient() {
- return client;
- }
-
- /**
- * The remotely accessed directory path
- *
- * @return Remote directory hint - may be the handle's value if accessed directly
- * via a {@link Handle} instead of via a path - used only for logging
- */
- public final String getPath() {
- return dirPath;
- }
-
- /**
- * @return The directory {@link Handle} used to access the remote directory
- */
- public final Handle getHandle() {
- return dirHandle;
- }
-
- @Override
- public boolean hasNext() {
- return (dirEntries != null) && (index < dirEntries.size());
- }
-
- @Override
- public DirEntry next() {
- DirEntry entry = dirEntries.get(index++);
- if (index >= dirEntries.size()) {
- index = 0;
-
- try {
- dirEntries = load(getHandle());
- } catch (RuntimeException e) {
- dirEntries = null;
- throw e;
- }
- }
-
- return entry;
- }
-
- @Override
- public boolean isOpen() {
- return open.get();
- }
-
- public boolean isCloseOnFinished() {
- return closeOnFinished;
- }
-
- @Override
- public void close() throws IOException {
- if (open.getAndSet(false)) {
- Handle handle = getHandle();
- if ((handle instanceof Closeable) && isCloseOnFinished()) {
- if (log.isDebugEnabled()) {
- log.debug("close(" + getPath() + ") handle=" + handle);
- }
- ((Closeable) handle).close();
- }
- }
- }
-
- protected List<DirEntry> load(Handle handle) {
- try {
- // check if previous call yielded an end-of-list indication
- Boolean eolReached = eolIndicator.getAndSet(null);
- if ((eolReached != null) && eolReached) {
- if (log.isTraceEnabled()) {
- log.trace("load({})[{}] exhausted all entries on previous call", getPath(), handle);
- }
- return null;
- }
-
- List<DirEntry> entries = client.readDir(handle, eolIndicator);
- eolReached = eolIndicator.get();
- if ((entries == null) || ((eolReached != null) && eolReached)) {
- if (log.isTraceEnabled()) {
- log.trace("load({})[{}] exhausted all entries - EOL={}", getPath(), handle, eolReached);
- }
- close();
- }
-
- return entries;
- } catch (IOException e) {
- try {
- close();
- } catch (IOException t) {
- if (log.isTraceEnabled()) {
- log.trace(t.getClass().getSimpleName() + " while close handle=" + handle
- + " due to " + e.getClass().getSimpleName() + " [" + e.getMessage() + "]"
- + ": " + t.getMessage());
- }
- }
- throw new RuntimeException(e);
- }
- }
-
- @Override
- public void remove() {
- throw new UnsupportedOperationException("readDir(" + getPath() + ")[" + getHandle() + "] Iterator#remove() N/A");
- }
-}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirectoryStream.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirectoryStream.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirectoryStream.java
deleted file mode 100644
index 5f48966..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpDirectoryStream.java
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.DirectoryStream;
-import java.nio.file.Path;
-import java.util.Iterator;
-
-/**
- * Implements a remote {@link DirectoryStream}
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpDirectoryStream implements DirectoryStream<Path> {
- private final SftpClient sftp;
- private final Iterable<SftpClient.DirEntry> iter;
- private final SftpPath p;
-
- /**
- * @param path The remote {@link SftpPath}
- * @throws IOException If failed to initialize the directory access handle
- */
- public SftpDirectoryStream(SftpPath path) throws IOException {
- SftpFileSystem fs = path.getFileSystem();
- p = path;
- sftp = fs.getClient();
- iter = sftp.readDir(path.toString());
- }
-
- /**
- * Client instance used to access the remote directory
- *
- * @return The {@link SftpClient} instance used to access the remote directory
- */
- public final SftpClient getClient() {
- return sftp;
- }
-
- @Override
- public Iterator<Path> iterator() {
- return new SftpPathIterator(p, iter);
- }
-
- @Override
- public void close() throws IOException {
- sftp.close();
- }
-}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileStore.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileStore.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileStore.java
deleted file mode 100644
index 8a6f1f1..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileStore.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.FileStore;
-import java.nio.file.FileSystem;
-import java.nio.file.attribute.FileAttributeView;
-import java.nio.file.attribute.FileStoreAttributeView;
-import java.util.Collection;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.util.GenericUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpFileStore extends FileStore {
- private final SftpFileSystem fs;
- private final String name;
-
- public SftpFileStore(String name, SftpFileSystem fs) {
- this.name = name;
- this.fs = fs;
- }
-
- public final SftpFileSystem getFileSystem() {
- return fs;
- }
-
- @Override
- public String name() {
- return name;
- }
-
- @Override
- public String type() {
- return SftpConstants.SFTP_SUBSYSTEM_NAME;
- }
-
- @Override
- public boolean isReadOnly() {
- return false;
- }
-
- @Override
- public long getTotalSpace() throws IOException {
- return Long.MAX_VALUE; // TODO use SFTPv6 space-available extension
- }
-
- @Override
- public long getUsableSpace() throws IOException {
- return Long.MAX_VALUE;
- }
-
- @Override
- public long getUnallocatedSpace() throws IOException {
- return Long.MAX_VALUE;
- }
-
- @Override
- public boolean supportsFileAttributeView(Class<? extends FileAttributeView> type) {
- SftpFileSystem sftpFs = getFileSystem();
- SftpFileSystemProvider provider = sftpFs.provider();
- return provider.isSupportedFileAttributeView(sftpFs, type);
- }
-
- @Override
- public boolean supportsFileAttributeView(String name) {
- if (GenericUtils.isEmpty(name)) {
- return false; // debug breakpoint
- }
-
- FileSystem sftpFs = getFileSystem();
- Collection<String> views = sftpFs.supportedFileAttributeViews();
- return !GenericUtils.isEmpty(views) && views.contains(name);
- }
-
- @Override
- public <V extends FileStoreAttributeView> V getFileStoreAttributeView(Class<V> type) {
- return null; // no special views supported
- }
-
- @Override
- public Object getAttribute(String attribute) throws IOException {
- return null; // no special attributes supported
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystem.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystem.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystem.java
deleted file mode 100644
index bc790b3..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystem.java
+++ /dev/null
@@ -1,596 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.StreamCorruptedException;
-import java.nio.charset.Charset;
-import java.nio.file.FileStore;
-import java.nio.file.FileSystemException;
-import java.nio.file.attribute.GroupPrincipal;
-import java.nio.file.attribute.UserPrincipal;
-import java.nio.file.attribute.UserPrincipalLookupService;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.NavigableMap;
-import java.util.Objects;
-import java.util.Queue;
-import java.util.Set;
-import java.util.TreeSet;
-import java.util.concurrent.LinkedBlockingQueue;
-import java.util.concurrent.atomic.AtomicInteger;
-
-import org.apache.sshd.client.channel.ClientChannel;
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.session.ClientSessionHolder;
-import org.apache.sshd.client.subsystem.sftp.impl.AbstractSftpClient;
-import org.apache.sshd.common.file.util.BaseFileSystem;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-
-public class SftpFileSystem extends BaseFileSystem<SftpPath> implements ClientSessionHolder {
- public static final String POOL_SIZE_PROP = "sftp-fs-pool-size";
- public static final int DEFAULT_POOL_SIZE = 8;
-
- public static final Set<String> UNIVERSAL_SUPPORTED_VIEWS =
- Collections.unmodifiableSet(
- GenericUtils.asSortedSet(String.CASE_INSENSITIVE_ORDER,
- "basic", "posix", "owner"));
-
- private final String id;
- private final ClientSession clientSession;
- private final SftpVersionSelector selector;
- private final Queue<SftpClient> pool;
- private final ThreadLocal<Wrapper> wrappers = new ThreadLocal<>();
- private final int version;
- private final Set<String> supportedViews;
- private SftpPath defaultDir;
- private int readBufferSize = SftpClient.DEFAULT_READ_BUFFER_SIZE;
- private int writeBufferSize = SftpClient.DEFAULT_WRITE_BUFFER_SIZE;
- private final List<FileStore> stores;
-
- public SftpFileSystem(SftpFileSystemProvider provider, String id, ClientSession session, SftpVersionSelector selector) throws IOException {
- super(provider);
- this.id = id;
- this.clientSession = Objects.requireNonNull(session, "No client session");
- this.selector = selector;
- this.stores = Collections.unmodifiableList(Collections.<FileStore>singletonList(new SftpFileStore(id, this)));
- this.pool = new LinkedBlockingQueue<>(session.getIntProperty(POOL_SIZE_PROP, DEFAULT_POOL_SIZE));
- try (SftpClient client = getClient()) {
- version = client.getVersion();
- defaultDir = getPath(client.canonicalPath("."));
- }
-
- if (version >= SftpConstants.SFTP_V4) {
- Set<String> views = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
- views.addAll(UNIVERSAL_SUPPORTED_VIEWS);
- views.add("acl");
- supportedViews = Collections.unmodifiableSet(views);
- } else {
- supportedViews = UNIVERSAL_SUPPORTED_VIEWS;
- }
- }
-
- public final SftpVersionSelector getSftpVersionSelector() {
- return selector;
- }
-
- public final String getId() {
- return id;
- }
-
- public final int getVersion() {
- return version;
- }
-
- @Override
- public SftpFileSystemProvider provider() {
- return (SftpFileSystemProvider) super.provider();
- }
-
- @Override // NOTE: co-variant return
- public List<FileStore> getFileStores() {
- return this.stores;
- }
-
- public int getReadBufferSize() {
- return readBufferSize;
- }
-
- public void setReadBufferSize(int size) {
- if (size < SftpClient.MIN_READ_BUFFER_SIZE) {
- throw new IllegalArgumentException("Insufficient read buffer size: " + size + ", min.=" + SftpClient.MIN_READ_BUFFER_SIZE);
- }
-
- readBufferSize = size;
- }
-
- public int getWriteBufferSize() {
- return writeBufferSize;
- }
-
- public void setWriteBufferSize(int size) {
- if (size < SftpClient.MIN_WRITE_BUFFER_SIZE) {
- throw new IllegalArgumentException("Insufficient write buffer size: " + size + ", min.=" + SftpClient.MIN_WRITE_BUFFER_SIZE);
- }
-
- writeBufferSize = size;
- }
-
- @Override
- protected SftpPath create(String root, List<String> names) {
- return new SftpPath(this, root, names);
- }
-
- @Override
- public ClientSession getClientSession() {
- return clientSession;
- }
-
- @SuppressWarnings("synthetic-access")
- public SftpClient getClient() throws IOException {
- Wrapper wrapper = wrappers.get();
- if (wrapper == null) {
- while (wrapper == null) {
- SftpClient client = pool.poll();
- if (client == null) {
- ClientSession session = getClientSession();
- client = session.createSftpClient(getSftpVersionSelector());
- }
- if (!client.isClosing()) {
- wrapper = new Wrapper(client, getReadBufferSize(), getWriteBufferSize());
- }
- }
- wrappers.set(wrapper);
- } else {
- wrapper.increment();
- }
- return wrapper;
- }
-
- @Override
- public void close() throws IOException {
- if (isOpen()) {
- SftpFileSystemProvider provider = provider();
- String fsId = getId();
- SftpFileSystem fs = provider.removeFileSystem(fsId);
- ClientSession session = getClientSession();
- session.close(true);
-
- if ((fs != null) && (fs != this)) {
- throw new FileSystemException(fsId, fsId, "Mismatched FS instance for id=" + fsId);
- }
- }
- }
-
- @Override
- public boolean isOpen() {
- ClientSession session = getClientSession();
- return session.isOpen();
- }
-
- @Override
- public Set<String> supportedFileAttributeViews() {
- return supportedViews;
- }
-
- @Override
- public UserPrincipalLookupService getUserPrincipalLookupService() {
- return DefaultUserPrincipalLookupService.INSTANCE;
- }
-
- @Override
- public SftpPath getDefaultDir() {
- return defaultDir;
- }
-
- @Override
- public String toString() {
- return getClass().getSimpleName() + "[" + String.valueOf(getClientSession()) + "]";
- }
-
- private final class Wrapper extends AbstractSftpClient {
- private final SftpClient delegate;
- private final AtomicInteger count = new AtomicInteger(1);
- private final int readSize;
- private final int writeSize;
-
- private Wrapper(SftpClient delegate, int readSize, int writeSize) {
- this.delegate = delegate;
- this.readSize = readSize;
- this.writeSize = writeSize;
- }
-
- @Override
- public int getVersion() {
- return delegate.getVersion();
- }
-
- @Override
- public ClientSession getClientSession() {
- return delegate.getClientSession();
- }
-
- @Override
- public ClientChannel getClientChannel() {
- return delegate.getClientChannel();
- }
-
- @Override
- public NavigableMap<String, byte[]> getServerExtensions() {
- return delegate.getServerExtensions();
- }
-
- @Override
- public Charset getNameDecodingCharset() {
- return delegate.getNameDecodingCharset();
- }
-
- @Override
- public void setNameDecodingCharset(Charset cs) {
- delegate.setNameDecodingCharset(cs);
- }
-
- @Override
- public boolean isClosing() {
- return false;
- }
-
- @Override
- public boolean isOpen() {
- return count.get() > 0;
- }
-
- @SuppressWarnings("synthetic-access")
- @Override
- public void close() throws IOException {
- if (count.decrementAndGet() <= 0) {
- if (!pool.offer(delegate)) {
- delegate.close();
- }
- wrappers.set(null);
- }
- }
-
- public void increment() {
- count.incrementAndGet();
- }
-
- @Override
- public CloseableHandle open(String path, Collection<OpenMode> options) throws IOException {
- if (!isOpen()) {
- throw new IOException("open(" + path + ")[" + options + "] client is closed");
- }
- return delegate.open(path, options);
- }
-
- @Override
- public void close(Handle handle) throws IOException {
- if (!isOpen()) {
- throw new IOException("close(" + handle + ") client is closed");
- }
- delegate.close(handle);
- }
-
- @Override
- public void remove(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("remove(" + path + ") client is closed");
- }
- delegate.remove(path);
- }
-
- @Override
- public void rename(String oldPath, String newPath, Collection<CopyMode> options) throws IOException {
- if (!isOpen()) {
- throw new IOException("rename(" + oldPath + " => " + newPath + ")[" + options + "] client is closed");
- }
- delegate.rename(oldPath, newPath, options);
- }
-
- @Override
- public int read(Handle handle, long fileOffset, byte[] dst, int dstOffset, int len) throws IOException {
- if (!isOpen()) {
- throw new IOException("read(" + handle + "/" + fileOffset + ")[" + dstOffset + "/" + len + "] client is closed");
- }
- return delegate.read(handle, fileOffset, dst, dstOffset, len);
- }
-
- @Override
- public void write(Handle handle, long fileOffset, byte[] src, int srcOffset, int len) throws IOException {
- if (!isOpen()) {
- throw new IOException("write(" + handle + "/" + fileOffset + ")[" + srcOffset + "/" + len + "] client is closed");
- }
- delegate.write(handle, fileOffset, src, srcOffset, len);
- }
-
- @Override
- public void mkdir(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("mkdir(" + path + ") client is closed");
- }
- delegate.mkdir(path);
- }
-
- @Override
- public void rmdir(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("rmdir(" + path + ") client is closed");
- }
- delegate.rmdir(path);
- }
-
- @Override
- public CloseableHandle openDir(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("openDir(" + path + ") client is closed");
- }
- return delegate.openDir(path);
- }
-
- @Override
- public List<DirEntry> readDir(Handle handle) throws IOException {
- if (!isOpen()) {
- throw new IOException("readDir(" + handle + ") client is closed");
- }
- return delegate.readDir(handle);
- }
-
- @Override
- public Iterable<DirEntry> listDir(Handle handle) throws IOException {
- if (!isOpen()) {
- throw new IOException("readDir(" + handle + ") client is closed");
- }
- return delegate.listDir(handle);
- }
-
- @Override
- public String canonicalPath(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("canonicalPath(" + path + ") client is closed");
- }
- return delegate.canonicalPath(path);
- }
-
- @Override
- public Attributes stat(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("stat(" + path + ") client is closed");
- }
- return delegate.stat(path);
- }
-
- @Override
- public Attributes lstat(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("lstat(" + path + ") client is closed");
- }
- return delegate.lstat(path);
- }
-
- @Override
- public Attributes stat(Handle handle) throws IOException {
- if (!isOpen()) {
- throw new IOException("stat(" + handle + ") client is closed");
- }
- return delegate.stat(handle);
- }
-
- @Override
- public void setStat(String path, Attributes attributes) throws IOException {
- if (!isOpen()) {
- throw new IOException("setStat(" + path + ")[" + attributes + "] client is closed");
- }
- delegate.setStat(path, attributes);
- }
-
- @Override
- public void setStat(Handle handle, Attributes attributes) throws IOException {
- if (!isOpen()) {
- throw new IOException("setStat(" + handle + ")[" + attributes + "] client is closed");
- }
- delegate.setStat(handle, attributes);
- }
-
- @Override
- public String readLink(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("readLink(" + path + ") client is closed");
- }
- return delegate.readLink(path);
- }
-
- @Override
- public void symLink(String linkPath, String targetPath) throws IOException {
- if (!isOpen()) {
- throw new IOException("symLink(" + linkPath + " => " + targetPath + ") client is closed");
- }
- delegate.symLink(linkPath, targetPath);
- }
-
- @Override
- public Iterable<DirEntry> readDir(String path) throws IOException {
- if (!isOpen()) {
- throw new IOException("readDir(" + path + ") client is closed");
- }
- return delegate.readDir(path);
- }
-
- @Override
- public InputStream read(String path) throws IOException {
- return read(path, readSize);
- }
-
- @Override
- public InputStream read(String path, OpenMode... mode) throws IOException {
- return read(path, readSize, mode);
- }
-
- @Override
- public InputStream read(String path, Collection<OpenMode> mode) throws IOException {
- return read(path, readSize, mode);
- }
-
- @Override
- public InputStream read(String path, int bufferSize, Collection<OpenMode> mode) throws IOException {
- if (!isOpen()) {
- throw new IOException("read(" + path + ")[" + mode + "] size=" + bufferSize + ": client is closed");
- }
- return delegate.read(path, bufferSize, mode);
- }
-
- @Override
- public OutputStream write(String path) throws IOException {
- return write(path, writeSize);
- }
-
- @Override
- public OutputStream write(String path, OpenMode... mode) throws IOException {
- return write(path, writeSize, mode);
- }
-
- @Override
- public OutputStream write(String path, Collection<OpenMode> mode) throws IOException {
- return write(path, writeSize, mode);
- }
-
- @Override
- public OutputStream write(String path, int bufferSize, Collection<OpenMode> mode) throws IOException {
- if (!isOpen()) {
- throw new IOException("write(" + path + ")[" + mode + "] size=" + bufferSize + ": client is closed");
- }
- return delegate.write(path, bufferSize, mode);
- }
-
- @Override
- public void link(String linkPath, String targetPath, boolean symbolic) throws IOException {
- if (!isOpen()) {
- throw new IOException("link(" + linkPath + " => " + targetPath + "] symbolic=" + symbolic + ": client is closed");
- }
- delegate.link(linkPath, targetPath, symbolic);
- }
-
- @Override
- public void lock(Handle handle, long offset, long length, int mask) throws IOException {
- if (!isOpen()) {
- throw new IOException("lock(" + handle + ")[offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask) + "] client is closed");
- }
- delegate.lock(handle, offset, length, mask);
- }
-
- @Override
- public void unlock(Handle handle, long offset, long length) throws IOException {
- if (!isOpen()) {
- throw new IOException("unlock" + handle + ")[offset=" + offset + ", length=" + length + "] client is closed");
- }
- delegate.unlock(handle, offset, length);
- }
-
- @Override
- public int send(int cmd, Buffer buffer) throws IOException {
- if (!isOpen()) {
- throw new IOException("send(cmd=" + SftpConstants.getCommandMessageName(cmd) + ") client is closed");
- }
-
- if (delegate instanceof RawSftpClient) {
- return ((RawSftpClient) delegate).send(cmd, buffer);
- } else {
- throw new StreamCorruptedException("send(cmd=" + SftpConstants.getCommandMessageName(cmd) + ") delegate is not a " + RawSftpClient.class.getSimpleName());
- }
- }
-
- @Override
- public Buffer receive(int id) throws IOException {
- if (!isOpen()) {
- throw new IOException("receive(id=" + id + ") client is closed");
- }
-
- if (delegate instanceof RawSftpClient) {
- return ((RawSftpClient) delegate).receive(id);
- } else {
- throw new StreamCorruptedException("receive(id=" + id + ") delegate is not a " + RawSftpClient.class.getSimpleName());
- }
- }
- }
-
- public static class DefaultUserPrincipalLookupService extends UserPrincipalLookupService {
- public static final DefaultUserPrincipalLookupService INSTANCE = new DefaultUserPrincipalLookupService();
-
- public DefaultUserPrincipalLookupService() {
- super();
- }
-
- @Override
- public UserPrincipal lookupPrincipalByName(String name) throws IOException {
- return new DefaultUserPrincipal(name);
- }
-
- @Override
- public GroupPrincipal lookupPrincipalByGroupName(String group) throws IOException {
- return new DefaultGroupPrincipal(group);
- }
- }
-
- public static class DefaultUserPrincipal implements UserPrincipal {
-
- private final String name;
-
- public DefaultUserPrincipal(String name) {
- this.name = Objects.requireNonNull(name, "name is null");
- }
-
- @Override
- public final String getName() {
- return name;
- }
-
- @Override
- public boolean equals(Object o) {
- if (this == o) {
- return true;
- }
- if (o == null || getClass() != o.getClass()) {
- return false;
- }
- DefaultUserPrincipal that = (DefaultUserPrincipal) o;
- return Objects.equals(this.getName(), that.getName());
- }
-
- @Override
- public int hashCode() {
- return Objects.hashCode(getName());
- }
-
- @Override
- public String toString() {
- return getName();
- }
- }
-
- public static class DefaultGroupPrincipal extends DefaultUserPrincipal implements GroupPrincipal {
-
- public DefaultGroupPrincipal(String name) {
- super(name);
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemChannel.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemChannel.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemChannel.java
deleted file mode 100644
index 40948bf..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemChannel.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.util.Collection;
-import java.util.Objects;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpFileSystemChannel extends SftpRemotePathChannel {
- public SftpFileSystemChannel(SftpPath p, Collection<SftpClient.OpenMode> modes) throws IOException {
- this(Objects.requireNonNull(p, "No target path").toString(), p.getFileSystem(), modes);
- }
-
- public SftpFileSystemChannel(String remotePath, SftpFileSystem fs, Collection<SftpClient.OpenMode> modes) throws IOException {
- super(remotePath, Objects.requireNonNull(fs, "No SFTP file system").getClient(), true, modes);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemProvider.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemProvider.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemProvider.java
deleted file mode 100644
index 13686f7..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemProvider.java
+++ /dev/null
@@ -1,1249 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.InetSocketAddress;
-import java.net.SocketAddress;
-import java.net.URI;
-import java.nio.channels.FileChannel;
-import java.nio.charset.Charset;
-import java.nio.file.AccessDeniedException;
-import java.nio.file.AccessMode;
-import java.nio.file.CopyOption;
-import java.nio.file.DirectoryStream;
-import java.nio.file.FileAlreadyExistsException;
-import java.nio.file.FileStore;
-import java.nio.file.FileSystem;
-import java.nio.file.FileSystemAlreadyExistsException;
-import java.nio.file.FileSystemException;
-import java.nio.file.FileSystemNotFoundException;
-import java.nio.file.LinkOption;
-import java.nio.file.NoSuchFileException;
-import java.nio.file.OpenOption;
-import java.nio.file.Path;
-import java.nio.file.ProviderMismatchException;
-import java.nio.file.StandardCopyOption;
-import java.nio.file.attribute.AclEntry;
-import java.nio.file.attribute.AclFileAttributeView;
-import java.nio.file.attribute.BasicFileAttributeView;
-import java.nio.file.attribute.BasicFileAttributes;
-import java.nio.file.attribute.FileAttribute;
-import java.nio.file.attribute.FileAttributeView;
-import java.nio.file.attribute.FileOwnerAttributeView;
-import java.nio.file.attribute.FileTime;
-import java.nio.file.attribute.GroupPrincipal;
-import java.nio.file.attribute.PosixFileAttributeView;
-import java.nio.file.attribute.PosixFileAttributes;
-import java.nio.file.attribute.PosixFilePermission;
-import java.nio.file.attribute.UserPrincipal;
-import java.nio.file.spi.FileSystemProvider;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.EnumSet;
-import java.util.List;
-import java.util.Map;
-import java.util.NavigableMap;
-import java.util.Objects;
-import java.util.Set;
-import java.util.TreeMap;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.sshd.client.SshClient;
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Attributes;
-import org.apache.sshd.common.PropertyResolver;
-import org.apache.sshd.common.PropertyResolverUtils;
-import org.apache.sshd.common.SshException;
-import org.apache.sshd.common.config.SshConfigFileReader;
-import org.apache.sshd.common.io.IoSession;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.NumberUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * A registered {@link FileSystemProvider} that registers the "sftp://"
- * scheme so that URLs with this protocol are handled as remote SFTP {@link Path}-s
- * - e.g., "{@code sftp://user:password@host/remote/file/path}"
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpFileSystemProvider extends FileSystemProvider {
- public static final String READ_BUFFER_PROP_NAME = "sftp-fs-read-buffer-size";
- public static final int DEFAULT_READ_BUFFER_SIZE = SftpClient.DEFAULT_READ_BUFFER_SIZE;
- public static final String WRITE_BUFFER_PROP_NAME = "sftp-fs-write-buffer-size";
- public static final int DEFAULT_WRITE_BUFFER_SIZE = SftpClient.DEFAULT_WRITE_BUFFER_SIZE;
- public static final String CONNECT_TIME_PROP_NAME = "sftp-fs-connect-time";
- public static final long DEFAULT_CONNECT_TIME = SftpClient.DEFAULT_WAIT_TIMEOUT;
- public static final String AUTH_TIME_PROP_NAME = "sftp-fs-auth-time";
- public static final long DEFAULT_AUTH_TIME = SftpClient.DEFAULT_WAIT_TIMEOUT;
- public static final String NAME_DECORDER_CHARSET_PROP_NAME = "sftp-fs-name-decoder-charset";
- public static final Charset DEFAULT_NAME_DECODER_CHARSET = SftpClient.DEFAULT_NAME_DECODING_CHARSET;
-
- /**
- * <P>
- * URI parameter that can be used to specify a special version selection. Options are:
- * </P>
- * <UL>
- * <LI>{@code max} - select maximum available version for the client</LI>
- * <LI>{@code min} - select minimum available version for the client</LI>
- * <LI>{@code current} - whatever version is reported by the server</LI>
- * <LI>{@code nnn} - select <U>only</U> the specified version</LI>
- * <LI>{@code a,b,c} - select one of the specified versions (if available) in preference order</LI>
- * </UL>
- */
- public static final String VERSION_PARAM = "version";
-
- public static final Set<Class<? extends FileAttributeView>> UNIVERSAL_SUPPORTED_VIEWS =
- Collections.unmodifiableSet(GenericUtils.asSet(
- PosixFileAttributeView.class,
- FileOwnerAttributeView.class,
- BasicFileAttributeView.class
- ));
-
- protected final Logger log;
-
- private final SshClient client;
- private final SftpVersionSelector selector;
- private final NavigableMap<String, SftpFileSystem> fileSystems = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
-
- public SftpFileSystemProvider() {
- this((SshClient) null);
- }
-
- public SftpFileSystemProvider(SftpVersionSelector selector) {
- this(null, selector);
- }
-
- /**
- * @param client The {@link SshClient} to use - if {@code null} then a
- * default one will be setup and started. Otherwise, it is assumed that
- * the client has already been started
- * @see SshClient#setUpDefaultClient()
- */
- public SftpFileSystemProvider(SshClient client) {
- this(client, SftpVersionSelector.CURRENT);
- }
-
- public SftpFileSystemProvider(SshClient client, SftpVersionSelector selector) {
- this.log = LoggerFactory.getLogger(getClass());
- this.selector = selector;
- if (client == null) {
- // TODO: make this configurable using system properties
- client = SshClient.setUpDefaultClient();
- client.start();
- }
- this.client = client;
- }
-
- @Override
- public String getScheme() {
- return SftpConstants.SFTP_SUBSYSTEM_NAME;
- }
-
- public final SftpVersionSelector getSftpVersionSelector() {
- return selector;
- }
-
- @Override // NOTE: co-variant return
- public SftpFileSystem newFileSystem(URI uri, Map<String, ?> env) throws IOException {
- String host = ValidateUtils.checkNotNullAndNotEmpty(uri.getHost(), "Host not provided");
- int port = uri.getPort();
- if (port <= 0) {
- port = SshConfigFileReader.DEFAULT_PORT;
- }
-
- String userInfo = ValidateUtils.checkNotNullAndNotEmpty(uri.getUserInfo(), "UserInfo not provided");
- String[] ui = GenericUtils.split(userInfo, ':');
- ValidateUtils.checkTrue(GenericUtils.length(ui) == 2, "Invalid user info: %s", userInfo);
-
- String username = ui[0];
- String password = ui[1];
- String id = getFileSystemIdentifier(host, port, username);
- Map<String, Object> params = resolveFileSystemParameters(env, parseURIParameters(uri));
- PropertyResolver resolver = PropertyResolverUtils.toPropertyResolver(params);
- SftpVersionSelector selector = resolveSftpVersionSelector(uri, getSftpVersionSelector(), resolver);
- Charset decodingCharset =
- PropertyResolverUtils.getCharset(resolver, NAME_DECORDER_CHARSET_PROP_NAME, DEFAULT_NAME_DECODER_CHARSET);
- long maxConnectTime = resolver.getLongProperty(CONNECT_TIME_PROP_NAME, DEFAULT_CONNECT_TIME);
- long maxAuthTime = resolver.getLongProperty(AUTH_TIME_PROP_NAME, DEFAULT_AUTH_TIME);
-
- SftpFileSystem fileSystem;
- synchronized (fileSystems) {
- if (fileSystems.containsKey(id)) {
- throw new FileSystemAlreadyExistsException(id);
- }
-
- // TODO try and find a way to avoid doing this while locking the file systems cache
- ClientSession session = null;
- try {
- session = client.connect(username, host, port)
- .verify(maxConnectTime)
- .getSession();
- if (GenericUtils.size(params) > 0) {
- // Cannot use forEach because the session is not effectively final
- for (Map.Entry<String, ?> pe : params.entrySet()) {
- String key = pe.getKey();
- Object value = pe.getValue();
- if (VERSION_PARAM.equalsIgnoreCase(key)) {
- continue;
- }
-
- PropertyResolverUtils.updateProperty(session, key, value);
- }
-
- PropertyResolverUtils.updateProperty(session, SftpClient.NAME_DECODING_CHARSET, decodingCharset);
- }
-
- session.addPasswordIdentity(password);
- session.auth().verify(maxAuthTime);
-
- fileSystem = new SftpFileSystem(this, id, session, selector);
- fileSystems.put(id, fileSystem);
- } catch (Exception e) {
- if (session != null) {
- try {
- session.close();
- } catch (IOException t) {
- if (log.isDebugEnabled()) {
- log.debug("Failed (" + t.getClass().getSimpleName() + ")"
- + " to close session for new file system on " + host + ":" + port
- + " due to " + e.getClass().getSimpleName() + "[" + e.getMessage() + "]"
- + ": " + t.getMessage());
- }
- }
- }
-
- if (e instanceof IOException) {
- throw (IOException) e;
- } else if (e instanceof RuntimeException) {
- throw (RuntimeException) e;
- } else {
- throw new IOException(e);
- }
- }
- }
-
- fileSystem.setReadBufferSize(resolver.getIntProperty(READ_BUFFER_PROP_NAME, DEFAULT_READ_BUFFER_SIZE));
- fileSystem.setWriteBufferSize(resolver.getIntProperty(WRITE_BUFFER_PROP_NAME, DEFAULT_WRITE_BUFFER_SIZE));
- if (log.isDebugEnabled()) {
- log.debug("newFileSystem({}): {}", uri.toASCIIString(), fileSystem);
- }
- return fileSystem;
- }
-
- protected SftpVersionSelector resolveSftpVersionSelector(URI uri, SftpVersionSelector defaultSelector, PropertyResolver resolver) {
- String preference = resolver.getString(VERSION_PARAM);
- if (GenericUtils.isEmpty(preference)) {
- return defaultSelector;
- }
-
- if (log.isDebugEnabled()) {
- log.debug("resolveSftpVersionSelector({}) preference={}", uri, preference);
- }
-
- if ("max".equalsIgnoreCase(preference)) {
- return SftpVersionSelector.MAXIMUM;
- } else if ("min".equalsIgnoreCase(preference)) {
- return SftpVersionSelector.MINIMUM;
- } else if ("current".equalsIgnoreCase(preference)) {
- return SftpVersionSelector.CURRENT;
- }
-
- String[] values = GenericUtils.split(preference, ',');
- if (values.length == 1) {
- return SftpVersionSelector.fixedVersionSelector(Integer.parseInt(values[0]));
- }
-
- int[] preferred = new int[values.length];
- for (int index = 0; index < values.length; index++) {
- preferred[index] = Integer.parseInt(values[index]);
- }
-
- return SftpVersionSelector.preferredVersionSelector(preferred);
- }
-
- // NOTE: URI parameters override environment ones
- public static Map<String, Object> resolveFileSystemParameters(Map<String, ?> env, Map<String, Object> uriParams) {
- if (GenericUtils.isEmpty(env)) {
- return GenericUtils.isEmpty(uriParams) ? Collections.emptyMap() : uriParams;
- } else if (GenericUtils.isEmpty(uriParams)) {
- return Collections.unmodifiableMap(env);
- }
-
- Map<String, Object> resolved = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- resolved.putAll(env);
- resolved.putAll(uriParams);
- return resolved;
- }
-
- public static Map<String, Object> parseURIParameters(URI uri) {
- return parseURIParameters((uri == null) ? "" : uri.getQuery());
- }
-
- public static Map<String, Object> parseURIParameters(String params) {
- if (GenericUtils.isEmpty(params)) {
- return Collections.emptyMap();
- }
-
- if (params.charAt(0) == '?') {
- if (params.length() == 1) {
- return Collections.emptyMap();
- }
- params = params.substring(1);
- }
-
- String[] pairs = GenericUtils.split(params, '&');
- Map<String, Object> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- for (String p : pairs) {
- int pos = p.indexOf('=');
- if (pos < 0) {
- map.put(p, Boolean.TRUE);
- continue;
- }
-
- String key = p.substring(0, pos);
- String value = p.substring(pos + 1);
- if (NumberUtils.isIntegerNumber(value)) {
- map.put(key, Long.parseLong(value));
- } else {
- map.put(key, value);
- }
- }
-
- return map;
- }
-
- public SftpFileSystem newFileSystem(ClientSession session) throws IOException {
- String id = getFileSystemIdentifier(session);
- SftpFileSystem fileSystem;
- synchronized (fileSystems) {
- if (fileSystems.containsKey(id)) {
- throw new FileSystemAlreadyExistsException(id);
- }
- fileSystem = new SftpFileSystem(this, id, session, getSftpVersionSelector());
- fileSystems.put(id, fileSystem);
- }
-
- fileSystem.setReadBufferSize(session.getIntProperty(READ_BUFFER_PROP_NAME, DEFAULT_READ_BUFFER_SIZE));
- fileSystem.setWriteBufferSize(session.getIntProperty(WRITE_BUFFER_PROP_NAME, DEFAULT_WRITE_BUFFER_SIZE));
- if (log.isDebugEnabled()) {
- log.debug("newFileSystem: {}", fileSystem);
- }
-
- return fileSystem;
- }
-
- @Override
- public FileSystem getFileSystem(URI uri) {
- String id = getFileSystemIdentifier(uri);
- SftpFileSystem fs = getFileSystem(id);
- if (fs == null) {
- throw new FileSystemNotFoundException(id);
- }
- return fs;
- }
-
- /**
- * @param id File system identifier - ignored if {@code null}/empty
- * @return The removed {@link SftpFileSystem} - {@code null} if no match
- */
- public SftpFileSystem removeFileSystem(String id) {
- if (GenericUtils.isEmpty(id)) {
- return null;
- }
-
- SftpFileSystem removed;
- synchronized (fileSystems) {
- removed = fileSystems.remove(id);
- }
-
- if (log.isDebugEnabled()) {
- log.debug("removeFileSystem({}): {}", id, removed);
- }
- return removed;
- }
-
- /**
- * @param id File system identifier - ignored if {@code null}/empty
- * @return The cached {@link SftpFileSystem} - {@code null} if no match
- */
- public SftpFileSystem getFileSystem(String id) {
- if (GenericUtils.isEmpty(id)) {
- return null;
- }
-
- synchronized (fileSystems) {
- return fileSystems.get(id);
- }
- }
-
- @Override
- public Path getPath(URI uri) {
- FileSystem fs = getFileSystem(uri);
- return fs.getPath(uri.getPath());
- }
-
- @Override
- public FileChannel newByteChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs) throws IOException {
- return newFileChannel(path, options, attrs);
- }
-
- @Override
- public FileChannel newFileChannel(Path path, Set<? extends OpenOption> options, FileAttribute<?>... attrs) throws IOException {
- Collection<SftpClient.OpenMode> modes = SftpClient.OpenMode.fromOpenOptions(options);
- if (modes.isEmpty()) {
- modes = EnumSet.of(SftpClient.OpenMode.Read, SftpClient.OpenMode.Write);
- }
- // TODO: process file attributes
- return new SftpFileSystemChannel(toSftpPath(path), modes);
- }
-
- @Override
- public DirectoryStream<Path> newDirectoryStream(Path dir, DirectoryStream.Filter<? super Path> filter) throws IOException {
- final SftpPath p = toSftpPath(dir);
- return new SftpDirectoryStream(p);
- }
-
- @Override
- public void createDirectory(Path dir, FileAttribute<?>... attrs) throws IOException {
- SftpPath p = toSftpPath(dir);
- SftpFileSystem fs = p.getFileSystem();
- if (log.isDebugEnabled()) {
- log.debug("createDirectory({}) {} ({})", fs, dir, Arrays.asList(attrs));
- }
- try (SftpClient sftp = fs.getClient()) {
- try {
- sftp.mkdir(dir.toString());
- } catch (SftpException e) {
- int sftpStatus = e.getStatus();
- if ((sftp.getVersion() == SftpConstants.SFTP_V3) && (sftpStatus == SftpConstants.SSH_FX_FAILURE)) {
- try {
- Attributes attributes = sftp.stat(dir.toString());
- if (attributes != null) {
- throw new FileAlreadyExistsException(p.toString());
- }
- } catch (SshException e2) {
- e.addSuppressed(e2);
- }
- }
- if (sftpStatus == SftpConstants.SSH_FX_FILE_ALREADY_EXISTS) {
- throw new FileAlreadyExistsException(p.toString());
- }
- throw e;
- }
- for (FileAttribute<?> attr : attrs) {
- setAttribute(p, attr.name(), attr.value());
- }
- }
- }
-
- @Override
- public void delete(Path path) throws IOException {
- SftpPath p = toSftpPath(path);
- checkAccess(p, AccessMode.WRITE);
-
- SftpFileSystem fs = p.getFileSystem();
- if (log.isDebugEnabled()) {
- log.debug("delete({}) {}", fs, path);
- }
-
- try (SftpClient sftp = fs.getClient()) {
- BasicFileAttributes attributes = readAttributes(path, BasicFileAttributes.class);
- if (attributes.isDirectory()) {
- sftp.rmdir(path.toString());
- } else {
- sftp.remove(path.toString());
- }
- }
- }
-
- @Override
- public void copy(Path source, Path target, CopyOption... options) throws IOException {
- SftpPath src = toSftpPath(source);
- SftpPath dst = toSftpPath(target);
- if (src.getFileSystem() != dst.getFileSystem()) {
- throw new ProviderMismatchException("Mismatched file system providers for " + src + " vs. " + dst);
- }
- checkAccess(src);
-
- boolean replaceExisting = false;
- boolean copyAttributes = false;
- boolean noFollowLinks = false;
- for (CopyOption opt : options) {
- replaceExisting |= opt == StandardCopyOption.REPLACE_EXISTING;
- copyAttributes |= opt == StandardCopyOption.COPY_ATTRIBUTES;
- noFollowLinks |= opt == LinkOption.NOFOLLOW_LINKS;
- }
- LinkOption[] linkOptions = IoUtils.getLinkOptions(!noFollowLinks);
-
- // attributes of source file
- BasicFileAttributes attrs = readAttributes(source, BasicFileAttributes.class, linkOptions);
- if (attrs.isSymbolicLink()) {
- throw new IOException("Copying of symbolic links not supported");
- }
-
- // delete target if it exists and REPLACE_EXISTING is specified
- Boolean status = IoUtils.checkFileExists(target, linkOptions);
- if (status == null) {
- throw new AccessDeniedException("Existence cannot be determined for copy target: " + target);
- }
-
- if (log.isDebugEnabled()) {
- log.debug("copy({})[{}] {} => {}", src.getFileSystem(), Arrays.asList(options), src, dst);
- }
-
- if (replaceExisting) {
- deleteIfExists(target);
- } else {
- if (status) {
- throw new FileAlreadyExistsException(target.toString());
- }
- }
-
- // create directory or copy file
- if (attrs.isDirectory()) {
- createDirectory(target);
- } else {
- try (InputStream in = newInputStream(source);
- OutputStream os = newOutputStream(target)) {
- IoUtils.copy(in, os);
- }
- }
-
- // copy basic attributes to target
- if (copyAttributes) {
- BasicFileAttributeView view = getFileAttributeView(target, BasicFileAttributeView.class, linkOptions);
- try {
- view.setTimes(attrs.lastModifiedTime(), attrs.lastAccessTime(), attrs.creationTime());
- } catch (Throwable x) {
- // rollback
- try {
- delete(target);
- } catch (Throwable suppressed) {
- x.addSuppressed(suppressed);
- }
- throw x;
- }
- }
- }
-
- @Override
- public void move(Path source, Path target, CopyOption... options) throws IOException {
- SftpPath src = toSftpPath(source);
- SftpFileSystem fsSrc = src.getFileSystem();
- SftpPath dst = toSftpPath(target);
-
- if (src.getFileSystem() != dst.getFileSystem()) {
- throw new ProviderMismatchException("Mismatched file system providers for " + src + " vs. " + dst);
- }
- checkAccess(src);
-
- boolean replaceExisting = false;
- boolean copyAttributes = false;
- boolean noFollowLinks = false;
- for (CopyOption opt : options) {
- replaceExisting |= opt == StandardCopyOption.REPLACE_EXISTING;
- copyAttributes |= opt == StandardCopyOption.COPY_ATTRIBUTES;
- noFollowLinks |= opt == LinkOption.NOFOLLOW_LINKS;
- }
- LinkOption[] linkOptions = IoUtils.getLinkOptions(noFollowLinks);
-
- // attributes of source file
- BasicFileAttributes attrs = readAttributes(source, BasicFileAttributes.class, linkOptions);
- if (attrs.isSymbolicLink()) {
- throw new IOException("Moving of source symbolic link (" + source + ") to " + target + " not supported");
- }
-
- // delete target if it exists and REPLACE_EXISTING is specified
- Boolean status = IoUtils.checkFileExists(target, linkOptions);
- if (status == null) {
- throw new AccessDeniedException("Existence cannot be determined for move target " + target);
- }
-
- if (log.isDebugEnabled()) {
- log.debug("move({})[{}] {} => {}", src.getFileSystem(), Arrays.asList(options), src, dst);
- }
-
- if (replaceExisting) {
- deleteIfExists(target);
- } else if (status) {
- throw new FileAlreadyExistsException(target.toString());
- }
-
- try (SftpClient sftp = fsSrc.getClient()) {
- sftp.rename(src.toString(), dst.toString());
- }
-
- // copy basic attributes to target
- if (copyAttributes) {
- BasicFileAttributeView view = getFileAttributeView(target, BasicFileAttributeView.class, linkOptions);
- try {
- view.setTimes(attrs.lastModifiedTime(), attrs.lastAccessTime(), attrs.creationTime());
- } catch (Throwable x) {
- // rollback
- try {
- delete(target);
- } catch (Throwable suppressed) {
- x.addSuppressed(suppressed);
- }
- throw x;
- }
- }
- }
-
- @Override
- public boolean isSameFile(Path path1, Path path2) throws IOException {
- SftpPath p1 = toSftpPath(path1);
- SftpPath p2 = toSftpPath(path2);
- if (p1.getFileSystem() != p2.getFileSystem()) {
- throw new ProviderMismatchException("Mismatched file system providers for " + p1 + " vs. " + p2);
- }
- checkAccess(p1);
- checkAccess(p2);
- return p1.equals(p2);
- }
-
- @Override
- public boolean isHidden(Path path) throws IOException {
- return false;
- }
-
- @Override
- public FileStore getFileStore(Path path) throws IOException {
- FileSystem fs = path.getFileSystem();
- if (!(fs instanceof SftpFileSystem)) {
- throw new FileSystemException(path.toString(), path.toString(), "getFileStore(" + path + ") path not attached to an SFTP file system");
- }
-
- SftpFileSystem sftpFs = (SftpFileSystem) fs;
- String id = sftpFs.getId();
- SftpFileSystem cached = getFileSystem(id);
- if (cached != sftpFs) {
- throw new FileSystemException(path.toString(), path.toString(), "Mismatched file system instance for id=" + id);
- }
-
- return sftpFs.getFileStores().get(0);
- }
-
- @Override
- public void createSymbolicLink(Path link, Path target, FileAttribute<?>... attrs) throws IOException {
- SftpPath l = toSftpPath(link);
- SftpFileSystem fsLink = l.getFileSystem();
- SftpPath t = toSftpPath(target);
- if (fsLink != t.getFileSystem()) {
- throw new ProviderMismatchException("Mismatched file system providers for " + l + " vs. " + t);
- }
-
- if (log.isDebugEnabled()) {
- log.debug("createSymbolicLink({})[{}] {} => {}", fsLink, Arrays.asList(attrs), link, target);
- }
-
- try (SftpClient client = fsLink.getClient()) {
- client.symLink(l.toString(), t.toString());
- }
- }
-
- @Override
- public Path readSymbolicLink(Path link) throws IOException {
- SftpPath l = toSftpPath(link);
- SftpFileSystem fsLink = l.getFileSystem();
- try (SftpClient client = fsLink.getClient()) {
- String linkPath = client.readLink(l.toString());
- if (log.isDebugEnabled()) {
- log.debug("readSymbolicLink({})[{}] {} => {}", fsLink, link, linkPath);
- }
-
- return fsLink.getPath(linkPath);
- }
- }
-
- @Override
- public void checkAccess(Path path, AccessMode... modes) throws IOException {
- SftpPath p = toSftpPath(path);
- boolean w = false;
- boolean x = false;
- if (GenericUtils.length(modes) > 0) {
- for (AccessMode mode : modes) {
- switch (mode) {
- case READ:
- break;
- case WRITE:
- w = true;
- break;
- case EXECUTE:
- x = true;
- break;
- default:
- throw new UnsupportedOperationException("Unsupported mode: " + mode);
- }
- }
- }
-
- BasicFileAttributes attrs = getFileAttributeView(p, BasicFileAttributeView.class).readAttributes();
- if ((attrs == null) && !(p.isAbsolute() && p.getNameCount() == 0)) {
- throw new NoSuchFileException(path.toString());
- }
-
- SftpFileSystem fs = p.getFileSystem();
- if (x || (w && fs.isReadOnly())) {
- throw new AccessDeniedException("Filesystem is read-only: " + path.toString());
- }
- }
-
- @Override
- public <V extends FileAttributeView> V getFileAttributeView(Path path, Class<V> type, final LinkOption... options) {
- if (isSupportedFileAttributeView(path, type)) {
- if (AclFileAttributeView.class.isAssignableFrom(type)) {
- return type.cast(new SftpAclFileAttributeView(this, path, options));
- } else if (BasicFileAttributeView.class.isAssignableFrom(type)) {
- return type.cast(new SftpPosixFileAttributeView(this, path, options));
- }
- }
-
- throw new UnsupportedOperationException("getFileAttributeView(" + path + ") view not supported: " + type.getSimpleName());
- }
-
- public boolean isSupportedFileAttributeView(Path path, Class<? extends FileAttributeView> type) {
- return isSupportedFileAttributeView(toSftpPath(path).getFileSystem(), type);
- }
-
- public boolean isSupportedFileAttributeView(SftpFileSystem fs, Class<? extends FileAttributeView> type) {
- Collection<String> views = fs.supportedFileAttributeViews();
- if ((type == null) || GenericUtils.isEmpty(views)) {
- return false;
- } else if (PosixFileAttributeView.class.isAssignableFrom(type)) {
- return views.contains("posix");
- } else if (AclFileAttributeView.class.isAssignableFrom(type)) {
- return views.contains("acl"); // must come before owner view
- } else if (FileOwnerAttributeView.class.isAssignableFrom(type)) {
- return views.contains("owner");
- } else if (BasicFileAttributeView.class.isAssignableFrom(type)) {
- return views.contains("basic"); // must be last
- } else {
- return false;
- }
- }
-
- @Override
- public <A extends BasicFileAttributes> A readAttributes(Path path, Class<A> type, LinkOption... options) throws IOException {
- if (type.isAssignableFrom(PosixFileAttributes.class)) {
- return type.cast(getFileAttributeView(path, PosixFileAttributeView.class, options).readAttributes());
- }
-
- throw new UnsupportedOperationException("readAttributes(" + path + ")[" + type.getSimpleName() + "] N/A");
- }
-
- @Override
- public Map<String, Object> readAttributes(Path path, String attributes, LinkOption... options) throws IOException {
- String view;
- String attrs;
- int i = attributes.indexOf(':');
- if (i == -1) {
- view = "basic";
- attrs = attributes;
- } else {
- view = attributes.substring(0, i++);
- attrs = attributes.substring(i);
- }
-
- return readAttributes(path, view, attrs, options);
- }
-
- public Map<String, Object> readAttributes(Path path, String view, String attrs, LinkOption... options) throws IOException {
- SftpPath p = toSftpPath(path);
- SftpFileSystem fs = p.getFileSystem();
- Collection<String> views = fs.supportedFileAttributeViews();
- if (GenericUtils.isEmpty(views) || (!views.contains(view))) {
- throw new UnsupportedOperationException("readAttributes(" + path + ")[" + view + ":" + attrs + "] view not supported: " + views);
- }
-
- if ("basic".equalsIgnoreCase(view) || "posix".equalsIgnoreCase(view) || "owner".equalsIgnoreCase(view)) {
- return readPosixViewAttributes(p, view, attrs, options);
- } else if ("acl".equalsIgnoreCase(view)) {
- return readAclViewAttributes(p, view, attrs, options);
- } else {
- return readCustomViewAttributes(p, view, attrs, options);
- }
- }
-
- protected Map<String, Object> readCustomViewAttributes(SftpPath path, String view, String attrs, LinkOption... options) throws IOException {
- throw new UnsupportedOperationException("readCustomViewAttributes(" + path + ")[" + view + ":" + attrs + "] view not supported");
- }
-
- protected NavigableMap<String, Object> readAclViewAttributes(SftpPath path, String view, String attrs, LinkOption... options) throws IOException {
- if ("*".equals(attrs)) {
- attrs = "acl,owner";
- }
-
- SftpFileSystem fs = path.getFileSystem();
- SftpClient.Attributes attributes;
- try (SftpClient client = fs.getClient()) {
- attributes = readRemoteAttributes(path, options);
- }
-
- NavigableMap<String, Object> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- String[] attrValues = GenericUtils.split(attrs, ',');
- boolean traceEnabled = log.isTraceEnabled();
- for (String attr : attrValues) {
- switch (attr) {
- case "acl":
- List<AclEntry> acl = attributes.getAcl();
- if (acl != null) {
- map.put(attr, acl);
- }
- break;
- case "owner":
- String owner = attributes.getOwner();
- if (GenericUtils.length(owner) > 0) {
- map.put(attr, new SftpFileSystem.DefaultUserPrincipal(owner));
- }
- break;
- default:
- if (traceEnabled) {
- log.trace("readAclViewAttributes({})[{}] unknown attribute: {}", fs, attrs, attr);
- }
- }
- }
-
- return map;
- }
-
- public SftpClient.Attributes readRemoteAttributes(SftpPath path, LinkOption... options) throws IOException {
- SftpFileSystem fs = path.getFileSystem();
- try (SftpClient client = fs.getClient()) {
- try {
- SftpClient.Attributes attrs;
- if (IoUtils.followLinks(options)) {
- attrs = client.stat(path.toString());
- } else {
- attrs = client.lstat(path.toString());
- }
- if (log.isTraceEnabled()) {
- log.trace("readRemoteAttributes({})[{}]: {}", fs, path, attrs);
- }
- return attrs;
- } catch (SftpException e) {
- if (e.getStatus() == SftpConstants.SSH_FX_NO_SUCH_FILE) {
- throw new NoSuchFileException(path.toString());
- }
- throw e;
- }
- }
- }
-
- protected NavigableMap<String, Object> readPosixViewAttributes(
- SftpPath path, String view, String attrs, LinkOption... options)
- throws IOException {
- PosixFileAttributes v = readAttributes(path, PosixFileAttributes.class, options);
- if ("*".equals(attrs)) {
- attrs = "lastModifiedTime,lastAccessTime,creationTime,size,isRegularFile,isDirectory,isSymbolicLink,isOther,fileKey,owner,permissions,group";
- }
-
- NavigableMap<String, Object> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- boolean traceEnabled = log.isTraceEnabled();
- String[] attrValues = GenericUtils.split(attrs, ',');
- for (String attr : attrValues) {
- switch (attr) {
- case "lastModifiedTime":
- map.put(attr, v.lastModifiedTime());
- break;
- case "lastAccessTime":
- map.put(attr, v.lastAccessTime());
- break;
- case "creationTime":
- map.put(attr, v.creationTime());
- break;
- case "size":
- map.put(attr, v.size());
- break;
- case "isRegularFile":
- map.put(attr, v.isRegularFile());
- break;
- case "isDirectory":
- map.put(attr, v.isDirectory());
- break;
- case "isSymbolicLink":
- map.put(attr, v.isSymbolicLink());
- break;
- case "isOther":
- map.put(attr, v.isOther());
- break;
- case "fileKey":
- map.put(attr, v.fileKey());
- break;
- case "owner":
- map.put(attr, v.owner());
- break;
- case "permissions":
- map.put(attr, v.permissions());
- break;
- case "group":
- map.put(attr, v.group());
- break;
- default:
- if (traceEnabled) {
- log.trace("readPosixViewAttributes({})[{}:{}] ignored for {}", path, view, attr, attrs);
- }
- }
- }
- return map;
- }
-
- @Override
- public void setAttribute(Path path, String attribute, Object value, LinkOption... options) throws IOException {
- String view;
- String attr;
- int i = attribute.indexOf(':');
- if (i == -1) {
- view = "basic";
- attr = attribute;
- } else {
- view = attribute.substring(0, i++);
- attr = attribute.substring(i);
- }
-
- setAttribute(path, view, attr, value, options);
- }
-
- public void setAttribute(Path path, String view, String attr, Object value, LinkOption... options) throws IOException {
- SftpPath p = toSftpPath(path);
- SftpFileSystem fs = p.getFileSystem();
- Collection<String> views = fs.supportedFileAttributeViews();
- if (GenericUtils.isEmpty(views) || (!views.contains(view))) {
- throw new UnsupportedOperationException("setAttribute(" + path + ")[" + view + ":" + attr + "=" + value + "] view " + view + " not supported: " + views);
- }
-
- SftpClient.Attributes attributes = new SftpClient.Attributes();
- switch (attr) {
- case "lastModifiedTime":
- attributes.modifyTime((int) ((FileTime) value).to(TimeUnit.SECONDS));
- break;
- case "lastAccessTime":
- attributes.accessTime((int) ((FileTime) value).to(TimeUnit.SECONDS));
- break;
- case "creationTime":
- attributes.createTime((int) ((FileTime) value).to(TimeUnit.SECONDS));
- break;
- case "size":
- attributes.size(((Number) value).longValue());
- break;
- case "permissions": {
- @SuppressWarnings("unchecked")
- Set<PosixFilePermission> attrSet = (Set<PosixFilePermission>) value;
- attributes.perms(attributesToPermissions(path, attrSet));
- break;
- }
- case "owner":
- attributes.owner(((UserPrincipal) value).getName());
- break;
- case "group":
- attributes.group(((GroupPrincipal) value).getName());
- break;
- case "acl": {
- ValidateUtils.checkTrue("acl".equalsIgnoreCase(view), "ACL cannot be set via view=%s", view);
- @SuppressWarnings("unchecked")
- List<AclEntry> acl = (List<AclEntry>) value;
- attributes.acl(acl);
- break;
- }
- case "isRegularFile":
- case "isDirectory":
- case "isSymbolicLink":
- case "isOther":
- case "fileKey":
- throw new UnsupportedOperationException("setAttribute(" + path + ")[" + view + ":" + attr + "=" + value + "] modification N/A");
- default:
- if (log.isTraceEnabled()) {
- log.trace("setAttribute({})[{}] ignore {}:{}={}", fs, path, view, attr, value);
- }
- }
-
- if (log.isDebugEnabled()) {
- log.debug("setAttribute({}) {}: {}", fs, path, attributes);
- }
-
- try (SftpClient client = fs.getClient()) {
- client.setStat(p.toString(), attributes);
- }
- }
-
- public SftpPath toSftpPath(Path path) {
- Objects.requireNonNull(path, "No path provided");
- if (!(path instanceof SftpPath)) {
- throw new ProviderMismatchException("Path is not SFTP: " + path);
- }
- return (SftpPath) path;
- }
-
- protected int attributesToPermissions(Path path, Collection<PosixFilePermission> perms) {
- if (GenericUtils.isEmpty(perms)) {
- return 0;
- }
-
- int pf = 0;
- boolean traceEnabled = log.isTraceEnabled();
- for (PosixFilePermission p : perms) {
- switch (p) {
- case OWNER_READ:
- pf |= SftpConstants.S_IRUSR;
- break;
- case OWNER_WRITE:
- pf |= SftpConstants.S_IWUSR;
- break;
- case OWNER_EXECUTE:
- pf |= SftpConstants.S_IXUSR;
- break;
- case GROUP_READ:
- pf |= SftpConstants.S_IRGRP;
- break;
- case GROUP_WRITE:
- pf |= SftpConstants.S_IWGRP;
- break;
- case GROUP_EXECUTE:
- pf |= SftpConstants.S_IXGRP;
- break;
- case OTHERS_READ:
- pf |= SftpConstants.S_IROTH;
- break;
- case OTHERS_WRITE:
- pf |= SftpConstants.S_IWOTH;
- break;
- case OTHERS_EXECUTE:
- pf |= SftpConstants.S_IXOTH;
- break;
- default:
- if (traceEnabled) {
- log.trace("attributesToPermissions(" + path + ") ignored " + p);
- }
- }
- }
-
- return pf;
- }
-
- public static String getRWXPermissions(int perms) {
- StringBuilder sb = new StringBuilder(10 /* 3 * rwx + (d)irectory */);
- if ((perms & SftpConstants.S_IFLNK) == SftpConstants.S_IFLNK) {
- sb.append('l');
- } else if ((perms & SftpConstants.S_IFDIR) == SftpConstants.S_IFDIR) {
- sb.append('d');
- } else {
- sb.append('-');
- }
-
- if ((perms & SftpConstants.S_IRUSR) == SftpConstants.S_IRUSR) {
- sb.append('r');
- } else {
- sb.append('-');
- }
- if ((perms & SftpConstants.S_IWUSR) == SftpConstants.S_IWUSR) {
- sb.append('w');
- } else {
- sb.append('-');
- }
- if ((perms & SftpConstants.S_IXUSR) == SftpConstants.S_IXUSR) {
- sb.append('x');
- } else {
- sb.append('-');
- }
-
- if ((perms & SftpConstants.S_IRGRP) == SftpConstants.S_IRGRP) {
- sb.append('r');
- } else {
- sb.append('-');
- }
- if ((perms & SftpConstants.S_IWGRP) == SftpConstants.S_IWGRP) {
- sb.append('w');
- } else {
- sb.append('-');
- }
- if ((perms & SftpConstants.S_IXGRP) == SftpConstants.S_IXGRP) {
- sb.append('x');
- } else {
- sb.append('-');
- }
-
- if ((perms & SftpConstants.S_IROTH) == SftpConstants.S_IROTH) {
- sb.append('r');
- } else {
- sb.append('-');
- }
- if ((perms & SftpConstants.S_IWOTH) == SftpConstants.S_IWOTH) {
- sb.append('w');
- } else {
- sb.append('-');
- }
- if ((perms & SftpConstants.S_IXOTH) == SftpConstants.S_IXOTH) {
- sb.append('x');
- } else {
- sb.append('-');
- }
-
- return sb.toString();
- }
-
- public static String getOctalPermissions(int perms) {
- Collection<PosixFilePermission> attrs = permissionsToAttributes(perms);
- return getOctalPermissions(attrs);
- }
-
- public static Set<PosixFilePermission> permissionsToAttributes(int perms) {
- Set<PosixFilePermission> p = EnumSet.noneOf(PosixFilePermission.class);
- if ((perms & SftpConstants.S_IRUSR) == SftpConstants.S_IRUSR) {
- p.add(PosixFilePermission.OWNER_READ);
- }
- if ((perms & SftpConstants.S_IWUSR) == SftpConstants.S_IWUSR) {
- p.add(PosixFilePermission.OWNER_WRITE);
- }
- if ((perms & SftpConstants.S_IXUSR) == SftpConstants.S_IXUSR) {
- p.add(PosixFilePermission.OWNER_EXECUTE);
- }
- if ((perms & SftpConstants.S_IRGRP) == SftpConstants.S_IRGRP) {
- p.add(PosixFilePermission.GROUP_READ);
- }
- if ((perms & SftpConstants.S_IWGRP) == SftpConstants.S_IWGRP) {
- p.add(PosixFilePermission.GROUP_WRITE);
- }
- if ((perms & SftpConstants.S_IXGRP) == SftpConstants.S_IXGRP) {
- p.add(PosixFilePermission.GROUP_EXECUTE);
- }
- if ((perms & SftpConstants.S_IROTH) == SftpConstants.S_IROTH) {
- p.add(PosixFilePermission.OTHERS_READ);
- }
- if ((perms & SftpConstants.S_IWOTH) == SftpConstants.S_IWOTH) {
- p.add(PosixFilePermission.OTHERS_WRITE);
- }
- if ((perms & SftpConstants.S_IXOTH) == SftpConstants.S_IXOTH) {
- p.add(PosixFilePermission.OTHERS_EXECUTE);
- }
- return p;
- }
-
- public static String getOctalPermissions(Collection<PosixFilePermission> perms) {
- int pf = 0;
-
- for (PosixFilePermission p : perms) {
- switch (p) {
- case OWNER_READ:
- pf |= SftpConstants.S_IRUSR;
- break;
- case OWNER_WRITE:
- pf |= SftpConstants.S_IWUSR;
- break;
- case OWNER_EXECUTE:
- pf |= SftpConstants.S_IXUSR;
- break;
- case GROUP_READ:
- pf |= SftpConstants.S_IRGRP;
- break;
- case GROUP_WRITE:
- pf |= SftpConstants.S_IWGRP;
- break;
- case GROUP_EXECUTE:
- pf |= SftpConstants.S_IXGRP;
- break;
- case OTHERS_READ:
- pf |= SftpConstants.S_IROTH;
- break;
- case OTHERS_WRITE:
- pf |= SftpConstants.S_IWOTH;
- break;
- case OTHERS_EXECUTE:
- pf |= SftpConstants.S_IXOTH;
- break;
- default: // ignored
- }
- }
-
- return String.format("%04o", pf);
- }
-
- /**
- * Uses the host, port and username to create a unique identifier
- *
- * @param uri The {@link URI} - <B>Note:</B> not checked to make sure
- * that the scheme is {@code sftp://}
- * @return The unique identifier
- * @see #getFileSystemIdentifier(String, int, String)
- */
- public static String getFileSystemIdentifier(URI uri) {
- String userInfo = ValidateUtils.checkNotNullAndNotEmpty(uri.getUserInfo(), "UserInfo not provided");
- String[] ui = GenericUtils.split(userInfo, ':');
- ValidateUtils.checkTrue(GenericUtils.length(ui) == 2, "Invalid user info: %s", userInfo);
- return getFileSystemIdentifier(uri.getHost(), uri.getPort(), ui[0]);
- }
-
- /**
- * Uses the remote host address, port and current username to create a unique identifier
- *
- * @param session The {@link ClientSession}
- * @return The unique identifier
- * @see #getFileSystemIdentifier(String, int, String)
- */
- public static String getFileSystemIdentifier(ClientSession session) {
- IoSession ioSession = session.getIoSession();
- SocketAddress addr = ioSession.getRemoteAddress();
- String username = session.getUsername();
- if (addr instanceof InetSocketAddress) {
- InetSocketAddress inetAddr = (InetSocketAddress) addr;
- return getFileSystemIdentifier(inetAddr.getHostString(), inetAddr.getPort(), username);
- } else {
- return getFileSystemIdentifier(addr.toString(), SshConfigFileReader.DEFAULT_PORT, username);
- }
- }
-
- public static String getFileSystemIdentifier(String host, int port, String username) {
- return GenericUtils.trimToEmpty(host) + ':'
- + ((port <= 0) ? SshConfigFileReader.DEFAULT_PORT : port) + ':'
- + GenericUtils.trimToEmpty(username);
- }
-
- public static URI createFileSystemURI(String host, int port, String username, String password) {
- return createFileSystemURI(host, port, username, password, Collections.emptyMap());
- }
-
- public static URI createFileSystemURI(String host, int port, String username, String password, Map<String, ?> params) {
- StringBuilder sb = new StringBuilder(Byte.MAX_VALUE);
- sb.append(SftpConstants.SFTP_SUBSYSTEM_NAME)
- .append("://").append(username).append(':').append(password)
- .append('@').append(host).append(':').append(port)
- .append('/');
- if (GenericUtils.size(params) > 0) {
- boolean firstParam = true;
- // Cannot use forEach because firstParam is not effectively final
- for (Map.Entry<String, ?> pe : params.entrySet()) {
- String key = pe.getKey();
- Object value = pe.getValue();
- sb.append(firstParam ? '?' : '&').append(key).append('=').append(Objects.toString(value, null));
- firstParam = false;
- }
- }
-
- return URI.create(sb.toString());
- }
-}
[26/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtension.java
deleted file mode 100644
index ab00f9e..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractMD5HashExtension.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.io.StreamCorruptedException;
-import java.util.Collection;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.NumberUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractMD5HashExtension extends AbstractSftpClientExtension {
- protected AbstractMD5HashExtension(String name, SftpClient client, RawSftpClient raw, Collection<String> extras) {
- super(name, client, raw, extras);
- }
-
- protected byte[] doGetHash(Object target, long offset, long length, byte[] quickHash) throws IOException {
- Buffer buffer = getCommandBuffer(target, Long.SIZE + 2 * Long.BYTES + Integer.BYTES + NumberUtils.length(quickHash));
- String opcode = getName();
- putTarget(buffer, target);
- buffer.putLong(offset);
- buffer.putLong(length);
- buffer.putBytes((quickHash == null) ? GenericUtils.EMPTY_BYTE_ARRAY : quickHash);
-
- boolean debugEnabled = log.isDebugEnabled();
- if (debugEnabled) {
- log.debug("doGetHash({})[{}] - offset={}, length={}, quick-hash={}",
- opcode, (target instanceof CharSequence) ? target : BufferUtils.toHex(BufferUtils.EMPTY_HEX_SEPARATOR, (byte[]) target),
- offset, length, BufferUtils.toHex(':', quickHash));
- }
-
- buffer = checkExtendedReplyBuffer(receive(sendExtendedCommand(buffer)));
- if (buffer == null) {
- throw new StreamCorruptedException("Missing extended reply data");
- }
-
- String targetType = buffer.getString();
- if (String.CASE_INSENSITIVE_ORDER.compare(targetType, opcode) != 0) {
- throw new StreamCorruptedException("Mismatched reply target type: expected=" + opcode + ", actual=" + targetType);
- }
-
- byte[] hashValue = buffer.getBytes();
- if (debugEnabled) {
- log.debug("doGetHash({})[{}] - offset={}, length={}, quick-hash={} - result={}",
- opcode, target, offset, length,
- BufferUtils.toHex(':', quickHash), BufferUtils.toHex(':', hashValue));
- }
-
- return hashValue;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractSftpClientExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractSftpClientExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractSftpClientExtension.java
deleted file mode 100644
index 6b179c9..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractSftpClientExtension.java
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.io.StreamCorruptedException;
-import java.util.Collection;
-import java.util.Map;
-import java.util.Objects;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
-import org.apache.sshd.common.SshException;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
-import org.apache.sshd.common.util.logging.AbstractLoggingBean;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractSftpClientExtension extends AbstractLoggingBean implements SftpClientExtension, RawSftpClient {
- private final String name;
- private final SftpClient client;
- private final RawSftpClient raw;
- private final boolean supported;
-
- protected AbstractSftpClientExtension(String name, SftpClient client, RawSftpClient raw, Collection<String> extras) {
- this(name, client, raw, GenericUtils.isNotEmpty(extras) && extras.contains(name));
- }
-
- protected AbstractSftpClientExtension(String name, SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
- this(name, client, raw, GenericUtils.isNotEmpty(extensions) && extensions.containsKey(name));
- }
-
- protected AbstractSftpClientExtension(String name, SftpClient client, RawSftpClient raw, boolean supported) {
- this.name = ValidateUtils.checkNotNullAndNotEmpty(name, "No extension name");
- this.client = Objects.requireNonNull(client, "No client instance");
- this.raw = Objects.requireNonNull(raw, "No raw access");
- this.supported = supported;
- }
-
- @Override
- public final String getName() {
- return name;
- }
-
- @Override
- public final SftpClient getClient() {
- return client;
- }
-
- protected void sendAndCheckExtendedCommandStatus(Buffer buffer) throws IOException {
- int reqId = sendExtendedCommand(buffer);
- if (log.isDebugEnabled()) {
- log.debug("sendAndCheckExtendedCommandStatus(" + getName() + ") id=" + reqId);
- }
- checkStatus(receive(reqId));
- }
-
- protected int sendExtendedCommand(Buffer buffer) throws IOException {
- return send(SftpConstants.SSH_FXP_EXTENDED, buffer);
- }
-
- @Override
- public int send(int cmd, Buffer buffer) throws IOException {
- return raw.send(cmd, buffer);
- }
-
- @Override
- public Buffer receive(int id) throws IOException {
- return raw.receive(id);
- }
-
- @Override
- public final boolean isSupported() {
- return supported;
- }
-
- protected void checkStatus(Buffer buffer) throws IOException {
- if (checkExtendedReplyBuffer(buffer) != null) {
- throw new StreamCorruptedException("Unexpected extended reply received");
- }
- }
-
- /**
- * @param buffer The {@link Buffer}
- * @param target A target path {@link String} or {@link Handle} or {@code byte[]}
- * to be encoded in the buffer
- * @return The updated buffer
- * @throws UnsupportedOperationException If target is not one of the above
- * supported types
- */
- public Buffer putTarget(Buffer buffer, Object target) {
- if (target instanceof CharSequence) {
- buffer.putString(target.toString());
- } else if (target instanceof byte[]) {
- buffer.putBytes((byte[]) target);
- } else if (target instanceof Handle) {
- buffer.putBytes(((Handle) target).getIdentifier());
- } else {
- throw new UnsupportedOperationException("Unknown target type: " + target);
- }
-
- return buffer;
- }
-
- /**
- * @param target A target path {@link String} or {@link Handle} or {@code byte[]}
- * to be encoded in the buffer
- * @return A {@link Buffer} with the extension name set
- * @see #getCommandBuffer(Object, int)
- */
- protected Buffer getCommandBuffer(Object target) {
- return getCommandBuffer(target, 0);
- }
-
- /**
- * @param target A target path {@link String} or {@link Handle} or {@code byte[]}
- * to be encoded in the buffer
- * @param extraSize Extra size - beyond the path/handle to be allocated
- * @return A {@link Buffer} with the extension name set
- * @see #getCommandBuffer(int)
- */
- protected Buffer getCommandBuffer(Object target, int extraSize) {
- if (target instanceof CharSequence) {
- return getCommandBuffer(Integer.BYTES + ((CharSequence) target).length() + extraSize);
- } else if (target instanceof byte[]) {
- return getCommandBuffer(Integer.BYTES + ((byte[]) target).length + extraSize);
- } else if (target instanceof Handle) {
- return getCommandBuffer(Integer.BYTES + ((Handle) target).length() + extraSize);
- } else {
- return getCommandBuffer(extraSize);
- }
- }
-
- /**
- * @param extraSize Extra size - besides the extension name
- * @return A {@link Buffer} with the extension name set
- */
- protected Buffer getCommandBuffer(int extraSize) {
- String opcode = getName();
- Buffer buffer = new ByteArrayBuffer(Integer.BYTES + GenericUtils.length(opcode) + extraSize + Byte.SIZE, false);
- buffer.putString(opcode);
- return buffer;
- }
-
- /**
- * @param buffer The {@link Buffer} to check
- * @return The {@link Buffer} if this is an {@link SftpConstants#SSH_FXP_EXTENDED_REPLY},
- * or {@code null} if this is a {@link SftpConstants#SSH_FXP_STATUS} carrying
- * an {@link SftpConstants#SSH_FX_OK} result
- * @throws IOException If a non-{@link SftpConstants#SSH_FX_OK} result or
- * not a {@link SftpConstants#SSH_FXP_EXTENDED_REPLY} buffer
- */
- protected Buffer checkExtendedReplyBuffer(Buffer buffer) throws IOException {
- int length = buffer.getInt();
- int type = buffer.getUByte();
- int id = buffer.getInt();
- if (type == SftpConstants.SSH_FXP_STATUS) {
- int substatus = buffer.getInt();
- String msg = buffer.getString();
- String lang = buffer.getString();
- if (log.isDebugEnabled()) {
- log.debug("checkExtendedReplyBuffer({}}[id={}] - status: {} [{}] {}",
- getName(), id, substatus, lang, msg);
- }
-
- if (substatus != SftpConstants.SSH_FX_OK) {
- throwStatusException(id, substatus, msg, lang);
- }
-
- return null;
- } else if (type == SftpConstants.SSH_FXP_EXTENDED_REPLY) {
- return buffer;
- } else {
- throw new SshException("Unexpected SFTP packet received: type=" + type + ", id=" + id + ", length=" + length);
- }
- }
-
- protected void throwStatusException(int id, int substatus, String msg, String lang) throws IOException {
- throw new SftpException(substatus, msg);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileHandleExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileHandleExtensionImpl.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileHandleExtensionImpl.java
deleted file mode 100644
index 1a464c3..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileHandleExtensionImpl.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.util.AbstractMap.SimpleImmutableEntry;
-import java.util.Collection;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-import org.apache.sshd.client.subsystem.sftp.extensions.CheckFileHandleExtension;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-
-/**
- * Implements "check-file-handle" extension
- *
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.2</A>
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class CheckFileHandleExtensionImpl extends AbstractCheckFileExtension implements CheckFileHandleExtension {
- public CheckFileHandleExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extras) {
- super(SftpConstants.EXT_CHECK_FILE_HANDLE, client, raw, extras);
- }
-
- @Override
- public SimpleImmutableEntry<String, Collection<byte[]>> checkFileHandle(
- Handle handle, Collection<String> algorithms, long startOffset, long length, int blockSize)
- throws IOException {
- return doGetHash(handle.getIdentifier(), algorithms, startOffset, length, blockSize);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileNameExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileNameExtensionImpl.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileNameExtensionImpl.java
deleted file mode 100644
index 1b615c8..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CheckFileNameExtensionImpl.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.util.AbstractMap.SimpleImmutableEntry;
-import java.util.Collection;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.CheckFileNameExtension;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-
-/**
- * Implements "check-file-name" extension
- *
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.2</A>
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class CheckFileNameExtensionImpl extends AbstractCheckFileExtension implements CheckFileNameExtension {
- public CheckFileNameExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extras) {
- super(SftpConstants.EXT_CHECK_FILE_NAME, client, raw, extras);
- }
-
- @Override
- public SimpleImmutableEntry<String, Collection<byte[]>> checkFileName(
- String name, Collection<String> algorithms, long startOffset, long length, int blockSize)
- throws IOException {
- return doGetHash(name, algorithms, startOffset, length, blockSize);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImpl.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImpl.java
deleted file mode 100644
index 85623b8..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyDataExtensionImpl.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.util.Collection;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-import org.apache.sshd.client.subsystem.sftp.extensions.CopyDataExtension;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.util.NumberUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-
-/**
- * Implements the "copy-data" extension
- *
- * @see <A HREF="http://tools.ietf.org/id/draft-ietf-secsh-filexfer-extensions-00.txt">DRFAT 00 - section 7</A>
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class CopyDataExtensionImpl extends AbstractSftpClientExtension implements CopyDataExtension {
- public CopyDataExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
- super(SftpConstants.EXT_COPY_DATA, client, raw, extra);
- }
-
- @Override
- public void copyData(Handle readHandle, long readOffset, long readLength, Handle writeHandle, long writeOffset) throws IOException {
- byte[] srcId = readHandle.getIdentifier();
- byte[] dstId = writeHandle.getIdentifier();
- Buffer buffer = getCommandBuffer(Integer.BYTES + NumberUtils.length(srcId)
- + Integer.BYTES + NumberUtils.length(dstId)
- + (3 * (Long.SIZE + Integer.BYTES)));
- buffer.putBytes(srcId);
- buffer.putLong(readOffset);
- buffer.putLong(readLength);
- buffer.putBytes(dstId);
- buffer.putLong(writeOffset);
- sendAndCheckExtendedCommandStatus(buffer);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImpl.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImpl.java
deleted file mode 100644
index 63f79e5..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/CopyFileExtensionImpl.java
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.util.Collection;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.CopyFileExtension;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-
-/**
- * Implements the "copy-file" extension
- *
- * @see <A HREF="http://tools.ietf.org/id/draft-ietf-secsh-filexfer-extensions-00.txt">DRFAT 00 - section 6</A>
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class CopyFileExtensionImpl extends AbstractSftpClientExtension implements CopyFileExtension {
- public CopyFileExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
- super(SftpConstants.EXT_COPY_FILE, client, raw, extra);
- }
-
- @Override
- public void copyFile(String src, String dst, boolean overwriteDestination) throws IOException {
- Buffer buffer = getCommandBuffer(Integer.BYTES + GenericUtils.length(src)
- + Integer.BYTES + GenericUtils.length(dst)
- + 1 /* override destination */);
- buffer.putString(src);
- buffer.putString(dst);
- buffer.putBoolean(overwriteDestination);
- sendAndCheckExtendedCommandStatus(buffer);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5FileExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5FileExtensionImpl.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5FileExtensionImpl.java
deleted file mode 100644
index bc6149e..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5FileExtensionImpl.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.util.Collection;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.MD5FileExtension;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-
-/**
- * Implements "md5-hash" extension
- *
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.1</A>
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class MD5FileExtensionImpl extends AbstractMD5HashExtension implements MD5FileExtension {
- public MD5FileExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
- super(SftpConstants.EXT_MD5_HASH, client, raw, extra);
- }
-
- @Override
- public byte[] getHash(String path, long offset, long length, byte[] quickHash) throws IOException {
- return doGetHash(path, offset, length, quickHash);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5HandleExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5HandleExtensionImpl.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5HandleExtensionImpl.java
deleted file mode 100644
index d71edd6..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/MD5HandleExtensionImpl.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.util.Collection;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.MD5HandleExtension;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-
-/**
- * Implements "md5-hash-handle" extension
- *
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.1</A>
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class MD5HandleExtensionImpl extends AbstractMD5HashExtension implements MD5HandleExtension {
- public MD5HandleExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
- super(SftpConstants.EXT_MD5_HASH_HANDLE, client, raw, extra);
- }
-
- @Override
- public byte[] getHash(SftpClient.Handle handle, long offset, long length, byte[] quickHash) throws IOException {
- return doGetHash(handle.getIdentifier(), offset, length, quickHash);
- }
-
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImpl.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImpl.java
deleted file mode 100644
index 6fc0745..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/SpaceAvailableExtensionImpl.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.io.StreamCorruptedException;
-import java.util.Collection;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.SpaceAvailableExtension;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.SpaceAvailableExtensionInfo;
-import org.apache.sshd.common.util.buffer.Buffer;
-
-/**
- * Implements "space-available" extension
- *
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.3</A>
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SpaceAvailableExtensionImpl extends AbstractSftpClientExtension implements SpaceAvailableExtension {
- public SpaceAvailableExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
- super(SftpConstants.EXT_SPACE_AVAILABLE, client, raw, extra);
- }
-
- @Override
- public SpaceAvailableExtensionInfo available(String path) throws IOException {
- Buffer buffer = getCommandBuffer(path);
- buffer.putString(path);
- buffer = checkExtendedReplyBuffer(receive(sendExtendedCommand(buffer)));
-
- if (buffer == null) {
- throw new StreamCorruptedException("Missing extended reply data");
- }
-
- return new SpaceAvailableExtensionInfo(buffer);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHFsyncExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHFsyncExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHFsyncExtension.java
deleted file mode 100644
index bfdbc0e..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHFsyncExtension.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.openssh;
-
-import java.io.IOException;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
-
-/**
- * Implements the "fsync@openssh.com" extension
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 10</A>
- */
-public interface OpenSSHFsyncExtension extends SftpClientExtension {
- void fsync(Handle fileHandle) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatExtensionInfo.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatExtensionInfo.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatExtensionInfo.java
deleted file mode 100644
index a9cd944..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatExtensionInfo.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.openssh;
-
-import org.apache.sshd.common.util.NumberUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-
-/**
- * Response for the "statvfs@openssh.com" and "fstatvfs@openssh.com"
- * extension commands.
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/usr.bin/ssh/PROTOCOL?rev=1.28&content-type=text/plain">OpenSSH section 3.4</A>
- */
-public class OpenSSHStatExtensionInfo implements Cloneable {
- // The values of the f_flag bitmask
- public static final long SSH_FXE_STATVFS_ST_RDONLY = 0x1; /* read-only */
- public static final long SSH_FXE_STATVFS_ST_NOSUID = 0x2; /* no setuid */
-
- // CHECKSTYLE:OFF
- public long f_bsize; /* file system block size */
- public long f_frsize; /* fundamental fs block size */
- public long f_blocks; /* number of blocks (unit f_frsize) */
- public long f_bfree; /* free blocks in file system */
- public long f_bavail; /* free blocks for non-root */
- public long f_files; /* total file inodes */
- public long f_ffree; /* free file inodes */
- public long f_favail; /* free file inodes for to non-root */
- public long f_fsid; /* file system id */
- public long f_flag; /* bit mask of f_flag values */
- public long f_namemax; /* maximum filename length */
- // CHECKSTYLE:ON
-
- public OpenSSHStatExtensionInfo() {
- super();
- }
-
- public OpenSSHStatExtensionInfo(Buffer buffer) {
- decode(buffer, this);
- }
-
- @Override
- public int hashCode() {
- return NumberUtils.hashCode(this.f_bsize, this.f_frsize, this.f_blocks,
- this.f_bfree, this.f_bavail, this.f_files, this.f_ffree,
- this.f_favail, this.f_fsid, this.f_flag, this.f_namemax);
- }
-
- @Override
- public boolean equals(Object obj) {
- if (obj == null) {
- return false;
- }
- if (this == obj) {
- return true;
- }
- if (getClass() != obj.getClass()) {
- return false;
- }
-
- OpenSSHStatExtensionInfo other = (OpenSSHStatExtensionInfo) obj;
- // debug breakpoint
- return this.f_bsize == other.f_bsize
- && this.f_frsize == other.f_frsize
- && this.f_blocks == other.f_blocks
- && this.f_bfree == other.f_bfree
- && this.f_bavail == other.f_bavail
- && this.f_files == other.f_files
- && this.f_ffree == other.f_ffree
- && this.f_favail == other.f_favail
- && this.f_fsid == other.f_fsid
- && this.f_flag == other.f_flag
- && this.f_namemax == other.f_namemax;
- }
-
- @Override
- public OpenSSHStatExtensionInfo clone() {
- try {
- return getClass().cast(super.clone());
- } catch (CloneNotSupportedException e) {
- throw new RuntimeException("Failed to close " + toString() + ": " + e.getMessage());
- }
- }
-
- @Override
- public String toString() {
- return "f_bsize=" + f_bsize
- + ",f_frsize=" + f_frsize
- + ",f_blocks=" + f_blocks
- + ",f_bfree=" + f_bfree
- + ",f_bavail=" + f_bavail
- + ",f_files=" + f_files
- + ",f_ffree=" + f_ffree
- + ",f_favail=" + f_favail
- + ",f_fsid=" + f_fsid
- + ",f_flag=0x" + Long.toHexString(f_flag)
- + ",f_namemax=" + f_namemax;
- }
-
- public static void encode(Buffer buffer, OpenSSHStatExtensionInfo info) {
- buffer.putLong(info.f_bsize);
- buffer.putLong(info.f_frsize);
- buffer.putLong(info.f_blocks);
- buffer.putLong(info.f_bfree);
- buffer.putLong(info.f_bavail);
- buffer.putLong(info.f_files);
- buffer.putLong(info.f_ffree);
- buffer.putLong(info.f_favail);
- buffer.putLong(info.f_fsid);
- buffer.putLong(info.f_flag);
- buffer.putLong(info.f_namemax);
- }
-
- public static OpenSSHStatExtensionInfo decode(Buffer buffer) {
- OpenSSHStatExtensionInfo info = new OpenSSHStatExtensionInfo();
- decode(buffer, info);
- return info;
- }
-
- public static void decode(Buffer buffer, OpenSSHStatExtensionInfo info) {
- info.f_bsize = buffer.getLong();
- info.f_frsize = buffer.getLong();
- info.f_blocks = buffer.getLong();
- info.f_bfree = buffer.getLong();
- info.f_bavail = buffer.getLong();
- info.f_files = buffer.getLong();
- info.f_ffree = buffer.getLong();
- info.f_favail = buffer.getLong();
- info.f_fsid = buffer.getLong();
- info.f_flag = buffer.getLong();
- info.f_namemax = buffer.getLong();
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatHandleExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatHandleExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatHandleExtension.java
deleted file mode 100644
index 7fa76a6..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatHandleExtension.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.openssh;
-
-import java.io.IOException;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
-
-/**
- * Implements the "fstatvfs@openssh.com" extension command
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface OpenSSHStatHandleExtension extends SftpClientExtension {
- OpenSSHStatExtensionInfo stat(Handle handle) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatPathExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatPathExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatPathExtension.java
deleted file mode 100644
index 9d9853d..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/OpenSSHStatPathExtension.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.openssh;
-
-import java.io.IOException;
-
-import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
-
-/**
- * Implements the "statvfs@openssh.com" extension command
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/usr.bin/ssh/PROTOCOL?rev=1.28&content-type=text/plain">OpenSSH section 3.4</A>
- */
-public interface OpenSSHStatPathExtension extends SftpClientExtension {
- OpenSSHStatExtensionInfo stat(String path) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/AbstractOpenSSHStatCommandExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/AbstractOpenSSHStatCommandExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/AbstractOpenSSHStatCommandExtension.java
deleted file mode 100644
index 70550ee..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/AbstractOpenSSHStatCommandExtension.java
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers;
-
-import java.io.IOException;
-import java.io.StreamCorruptedException;
-import java.util.Map;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.helpers.AbstractSftpClientExtension;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractOpenSSHStatCommandExtension extends AbstractSftpClientExtension {
- protected AbstractOpenSSHStatCommandExtension(String name, SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
- super(name, client, raw, extensions);
- }
-
- protected OpenSSHStatExtensionInfo doGetStat(Object target) throws IOException {
- Buffer buffer = getCommandBuffer(target);
- putTarget(buffer, target);
-
- if (log.isDebugEnabled()) {
- log.debug("doGetStat({})[{}]", getName(),
- (target instanceof CharSequence) ? target : BufferUtils.toHex(BufferUtils.EMPTY_HEX_SEPARATOR, (byte[]) target));
- }
-
- buffer = checkExtendedReplyBuffer(receive(sendExtendedCommand(buffer)));
- if (buffer == null) {
- throw new StreamCorruptedException("Missing extended reply data");
- }
-
- return new OpenSSHStatExtensionInfo(buffer);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHFsyncExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHFsyncExtensionImpl.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHFsyncExtensionImpl.java
deleted file mode 100644
index e83ea11..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHFsyncExtensionImpl.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers;
-
-import java.io.IOException;
-import java.util.Map;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-import org.apache.sshd.client.subsystem.sftp.extensions.helpers.AbstractSftpClientExtension;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHFsyncExtension;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FsyncExtensionParser;
-import org.apache.sshd.common.util.NumberUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class OpenSSHFsyncExtensionImpl extends AbstractSftpClientExtension implements OpenSSHFsyncExtension {
- public OpenSSHFsyncExtensionImpl(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
- super(FsyncExtensionParser.NAME, client, raw, extensions);
- }
-
- @Override
- public void fsync(Handle fileHandle) throws IOException {
- byte[] handle = fileHandle.getIdentifier();
- Buffer buffer = getCommandBuffer(Integer.BYTES + NumberUtils.length(handle));
- buffer.putBytes(handle);
- sendAndCheckExtendedCommandStatus(buffer);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatHandleExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatHandleExtensionImpl.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatHandleExtensionImpl.java
deleted file mode 100644
index de5f780..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatHandleExtensionImpl.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers;
-
-import java.io.IOException;
-import java.util.Map;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatHandleExtension;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FstatVfsExtensionParser;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class OpenSSHStatHandleExtensionImpl extends AbstractOpenSSHStatCommandExtension implements OpenSSHStatHandleExtension {
- public OpenSSHStatHandleExtensionImpl(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
- super(FstatVfsExtensionParser.NAME, client, raw, extensions);
- }
-
- @Override
- public OpenSSHStatExtensionInfo stat(Handle handle) throws IOException {
- return doGetStat(handle.getIdentifier());
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatPathExtensionImpl.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatPathExtensionImpl.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatPathExtensionImpl.java
deleted file mode 100644
index 1cf3956..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/openssh/helpers/OpenSSHStatPathExtensionImpl.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers;
-
-import java.io.IOException;
-import java.util.Map;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatPathExtension;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.StatVfsExtensionParser;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class OpenSSHStatPathExtensionImpl extends AbstractOpenSSHStatCommandExtension implements OpenSSHStatPathExtension {
- public OpenSSHStatPathExtensionImpl(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
- super(StatVfsExtensionParser.NAME, client, raw, extensions);
- }
-
- @Override
- public OpenSSHStatExtensionInfo stat(String path) throws IOException {
- return doGetStat(path);
- }
-}
[11/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpClient.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpClient.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpClient.java
new file mode 100644
index 0000000..70d0279
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpClient.java
@@ -0,0 +1,1188 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp.impl;
+
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.file.attribute.FileTime;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.apache.sshd.client.channel.ClientChannel;
+import org.apache.sshd.client.subsystem.AbstractSubsystemClient;
+import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.extensions.BuiltinSftpClientExtensions;
+import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
+import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtensionFactory;
+import org.apache.sshd.common.SshException;
+import org.apache.sshd.common.channel.Channel;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.subsystem.sftp.SftpHelper;
+import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
+
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractSftpClient extends AbstractSubsystemClient implements SftpClient, RawSftpClient {
+ private final Attributes fileOpenAttributes = new Attributes();
+ private final AtomicReference<Map<String, Object>> parsedExtensionsHolder = new AtomicReference<>(null);
+
+ protected AbstractSftpClient() {
+ fileOpenAttributes.setType(SftpConstants.SSH_FILEXFER_TYPE_REGULAR);
+ }
+
+ @Override
+ public Channel getChannel() {
+ return getClientChannel();
+ }
+
+ @Override
+ public <E extends SftpClientExtension> E getExtension(Class<? extends E> extensionType) {
+ Object instance = getExtension(BuiltinSftpClientExtensions.fromType(extensionType));
+ if (instance == null) {
+ return null;
+ } else {
+ return extensionType.cast(instance);
+ }
+ }
+
+ @Override
+ public SftpClientExtension getExtension(String extensionName) {
+ return getExtension(BuiltinSftpClientExtensions.fromName(extensionName));
+ }
+
+ protected SftpClientExtension getExtension(SftpClientExtensionFactory factory) {
+ if (factory == null) {
+ return null;
+ }
+
+ Map<String, byte[]> extensions = getServerExtensions();
+ Map<String, Object> parsed = getParsedServerExtensions(extensions);
+ return factory.create(this, this, extensions, parsed);
+ }
+
+ protected Map<String, Object> getParsedServerExtensions() {
+ return getParsedServerExtensions(getServerExtensions());
+ }
+
+ protected Map<String, Object> getParsedServerExtensions(Map<String, byte[]> extensions) {
+ Map<String, Object> parsed = parsedExtensionsHolder.get();
+ if (parsed == null) {
+ parsed = ParserUtils.parse(extensions);
+ if (parsed == null) {
+ parsed = Collections.emptyMap();
+ }
+ parsedExtensionsHolder.set(parsed);
+ }
+
+ return parsed;
+ }
+
+ /**
+ * @param cmd The command that was sent whose response contains the name to be decoded
+ * @param buf The {@link Buffer} containing the encoded name
+ * @param nameIndex The zero-based order of the requested names for the command - e.g.,
+ * <UL>
+ * <LI>
+ * When listing a directory's contents each successive name will have an increasing index.
+ * </LI>
+ *
+ * <LI>
+ * For SFTP version 3, when retrieving a single name, short name will have index=0
+ * and the long one index=1.
+ * </LI>
+ * </UL>
+ * @return The decoded referenced name
+ */
+ protected String getReferencedName(int cmd, Buffer buf, int nameIndex) {
+ Charset cs = getNameDecodingCharset();
+ return buf.getString(cs);
+ }
+
+ /**
+ * @param <B> Type of {@link Buffer} being updated
+ * @param cmd The command for which this name is being added
+ * @param buf The buffer instance to update
+ * @param name The name to place in the buffer
+ * @param nameIndex The zero-based order of the name for the specific command
+ * if more than one name required - e.g., rename, link/symbolic link
+ * @return The updated buffer
+ */
+ protected <B extends Buffer> B putReferencedName(int cmd, B buf, String name, int nameIndex) {
+ Charset cs = getNameDecodingCharset();
+ buf.putString(name, cs);
+ return buf;
+ }
+
+ /**
+ * Sends the specified command, waits for the response and then invokes {@link #checkResponseStatus(int, Buffer)}
+ * @param cmd The command to send
+ * @param request The request {@link Buffer}
+ * @throws IOException If failed to send, receive or check the returned status
+ * @see #send(int, Buffer)
+ * @see #receive(int)
+ * @see #checkResponseStatus(int, Buffer)
+ */
+ protected void checkCommandStatus(int cmd, Buffer request) throws IOException {
+ int reqId = send(cmd, request);
+ Buffer response = receive(reqId);
+ checkResponseStatus(cmd, response);
+ }
+
+ /**
+ * Checks if the incoming response is an {@code SSH_FXP_STATUS} one,
+ * and if so whether the substatus is {@code SSH_FX_OK}.
+ *
+ * @param cmd The sent command opcode
+ * @param buffer The received response {@link Buffer}
+ * @throws IOException If response does not carry a status or carries
+ * a bad status code
+ * @see #checkResponseStatus(int, int, int, String, String)
+ */
+ protected void checkResponseStatus(int cmd, Buffer buffer) throws IOException {
+ int length = buffer.getInt();
+ int type = buffer.getUByte();
+ int id = buffer.getInt();
+ if (type == SftpConstants.SSH_FXP_STATUS) {
+ int substatus = buffer.getInt();
+ String msg = buffer.getString();
+ String lang = buffer.getString();
+ checkResponseStatus(cmd, id, substatus, msg, lang);
+ } else {
+ //noinspection ThrowableResultOfMethodCallIgnored
+ handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_STATUS, id, type, length, buffer);
+ }
+ }
+
+ /**
+ * @param cmd The sent command opcode
+ * @param id The request id
+ * @param substatus The sub-status value
+ * @param msg The message
+ * @param lang The language
+ * @throws IOException if the sub-status is not {@code SSH_FX_OK}
+ * @see #throwStatusException(int, int, int, String, String)
+ */
+ protected void checkResponseStatus(int cmd, int id, int substatus, String msg, String lang) throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("checkResponseStatus({})[id={}] cmd={} status={} lang={} msg={}",
+ getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
+ SftpConstants.getStatusName(substatus), lang, msg);
+ }
+
+ if (substatus != SftpConstants.SSH_FX_OK) {
+ throwStatusException(cmd, id, substatus, msg, lang);
+ }
+ }
+
+ protected void throwStatusException(int cmd, int id, int substatus, String msg, String lang) throws IOException {
+ throw new SftpException(substatus, msg);
+ }
+
+ /**
+ * @param cmd Command to be sent
+ * @param request The {@link Buffer} containing the request
+ * @return The received handle identifier
+ * @throws IOException If failed to send/receive or process the response
+ * @see #send(int, Buffer)
+ * @see #receive(int)
+ * @see #checkHandleResponse(int, Buffer)
+ */
+ protected byte[] checkHandle(int cmd, Buffer request) throws IOException {
+ int reqId = send(cmd, request);
+ Buffer response = receive(reqId);
+ return checkHandleResponse(cmd, response);
+ }
+
+ protected byte[] checkHandleResponse(int cmd, Buffer buffer) throws IOException {
+ int length = buffer.getInt();
+ int type = buffer.getUByte();
+ int id = buffer.getInt();
+ if (type == SftpConstants.SSH_FXP_HANDLE) {
+ return ValidateUtils.checkNotNullAndNotEmpty(buffer.getBytes(), "Null/empty handle in buffer", GenericUtils.EMPTY_OBJECT_ARRAY);
+ }
+
+ if (type == SftpConstants.SSH_FXP_STATUS) {
+ int substatus = buffer.getInt();
+ String msg = buffer.getString();
+ String lang = buffer.getString();
+ if (log.isTraceEnabled()) {
+ log.trace("checkHandleResponse({})[id={}] {} - status: {} [{}] {}",
+ getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
+ SftpConstants.getStatusName(substatus), lang, msg);
+ }
+ throwStatusException(cmd, id, substatus, msg, lang);
+ }
+
+ return handleUnexpectedHandlePacket(cmd, id, type, length, buffer);
+ }
+
+ protected byte[] handleUnexpectedHandlePacket(int cmd, int id, int type, int length, Buffer buffer) throws IOException {
+ handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_HANDLE, id, type, length, buffer);
+ throw new SshException("No handling for unexpected handle packet id=" + id
+ + ", type=" + SftpConstants.getCommandMessageName(type) + ", length=" + length);
+ }
+
+ /**
+ * @param cmd Command to be sent
+ * @param request Request {@link Buffer}
+ * @return The decoded response {@code Attributes}
+ * @throws IOException If failed to send/receive or process the response
+ * @see #send(int, Buffer)
+ * @see #receive(int)
+ * @see #checkAttributesResponse(int, Buffer)
+ */
+ protected Attributes checkAttributes(int cmd, Buffer request) throws IOException {
+ int reqId = send(cmd, request);
+ Buffer response = receive(reqId);
+ return checkAttributesResponse(cmd, response);
+ }
+
+ protected Attributes checkAttributesResponse(int cmd, Buffer buffer) throws IOException {
+ int length = buffer.getInt();
+ int type = buffer.getUByte();
+ int id = buffer.getInt();
+ if (type == SftpConstants.SSH_FXP_ATTRS) {
+ return readAttributes(cmd, buffer, new AtomicInteger(0));
+ }
+
+ if (type == SftpConstants.SSH_FXP_STATUS) {
+ int substatus = buffer.getInt();
+ String msg = buffer.getString();
+ String lang = buffer.getString();
+ if (log.isTraceEnabled()) {
+ log.trace("checkAttributesResponse()[id={}] {} - status: {} [{}] {}",
+ getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
+ SftpConstants.getStatusName(substatus), lang, msg);
+ }
+ throwStatusException(cmd, id, substatus, msg, lang);
+ }
+
+ return handleUnexpectedAttributesPacket(cmd, id, type, length, buffer);
+ }
+
+ protected Attributes handleUnexpectedAttributesPacket(int cmd, int id, int type, int length, Buffer buffer) throws IOException {
+ IOException err = handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_ATTRS, id, type, length, buffer);
+ if (err != null) {
+ throw err;
+ }
+
+ return null;
+ }
+
+ /**
+ * @param cmd Command to be sent
+ * @param request The request {@link Buffer}
+ * @return The retrieved name
+ * @throws IOException If failed to send/receive or process the response
+ * @see #send(int, Buffer)
+ * @see #receive(int)
+ * @see #checkOneNameResponse(int, Buffer)
+ */
+ protected String checkOneName(int cmd, Buffer request) throws IOException {
+ int reqId = send(cmd, request);
+ Buffer response = receive(reqId);
+ return checkOneNameResponse(cmd, response);
+ }
+
+ protected String checkOneNameResponse(int cmd, Buffer buffer) throws IOException {
+ int length = buffer.getInt();
+ int type = buffer.getUByte();
+ int id = buffer.getInt();
+ if (type == SftpConstants.SSH_FXP_NAME) {
+ int len = buffer.getInt();
+ if (len != 1) {
+ throw new SshException("SFTP error: received " + len + " names instead of 1");
+ }
+
+ AtomicInteger nameIndex = new AtomicInteger(0);
+ String name = getReferencedName(cmd, buffer, nameIndex.getAndIncrement());
+
+ String longName = null;
+ int version = getVersion();
+ if (version == SftpConstants.SFTP_V3) {
+ longName = getReferencedName(cmd, buffer, nameIndex.getAndIncrement());
+ }
+
+ Attributes attrs = readAttributes(cmd, buffer, nameIndex);
+ Boolean indicator = SftpHelper.getEndOfListIndicatorValue(buffer, version);
+ // TODO decide what to do if not-null and not TRUE
+ if (log.isTraceEnabled()) {
+ log.trace("checkOneNameResponse({})[id={}] {} ({})[{}] eol={}: {}",
+ getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
+ name, longName, indicator, attrs);
+ }
+ return name;
+ }
+
+ if (type == SftpConstants.SSH_FXP_STATUS) {
+ int substatus = buffer.getInt();
+ String msg = buffer.getString();
+ String lang = buffer.getString();
+ if (log.isTraceEnabled()) {
+ log.trace("checkOneNameResponse({})[id={}] {} status: {} [{}] {}",
+ getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
+ SftpConstants.getStatusName(substatus), lang, msg);
+ }
+
+ throwStatusException(cmd, id, substatus, msg, lang);
+ }
+
+ return handleUnknownOneNamePacket(cmd, id, type, length, buffer);
+ }
+
+ protected String handleUnknownOneNamePacket(int cmd, int id, int type, int length, Buffer buffer) throws IOException {
+ IOException err = handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_NAME, id, type, length, buffer);
+ if (err != null) {
+ throw err;
+ }
+
+ return null;
+ }
+
+ protected Attributes readAttributes(int cmd, Buffer buffer, AtomicInteger nameIndex) throws IOException {
+ Attributes attrs = new Attributes();
+ int flags = buffer.getInt();
+ int version = getVersion();
+ if (version == SftpConstants.SFTP_V3) {
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
+ attrs.setSize(buffer.getLong());
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_UIDGID) != 0) {
+ attrs.owner(buffer.getInt(), buffer.getInt());
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
+ int perms = buffer.getInt();
+ attrs.setPermissions(perms);
+ attrs.setType(SftpHelper.permissionsToFileType(perms));
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME) != 0) {
+ attrs.setAccessTime(SftpHelper.readTime(buffer, version, flags));
+ attrs.setModifyTime(SftpHelper.readTime(buffer, version, flags));
+ }
+ } else if (version >= SftpConstants.SFTP_V4) {
+ attrs.setType(buffer.getUByte());
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
+ attrs.setSize(buffer.getLong());
+ }
+
+ if ((version >= SftpConstants.SFTP_V6) && ((flags & SftpConstants.SSH_FILEXFER_ATTR_ALLOCATION_SIZE) != 0)) {
+ @SuppressWarnings("unused")
+ long allocSize = buffer.getLong(); // TODO handle allocation size
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP) != 0) {
+ attrs.setOwner(buffer.getString());
+ attrs.setGroup(buffer.getString());
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
+ attrs.setPermissions(buffer.getInt());
+ }
+
+ // update the permissions according to the type
+ int perms = attrs.getPermissions();
+ perms |= SftpHelper.fileTypeToPermission(attrs.getType());
+ attrs.setPermissions(perms);
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME) != 0) {
+ attrs.setAccessTime(SftpHelper.readTime(buffer, version, flags));
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_CREATETIME) != 0) {
+ attrs.setCreateTime(SftpHelper.readTime(buffer, version, flags));
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME) != 0) {
+ attrs.setModifyTime(SftpHelper.readTime(buffer, version, flags));
+ }
+ if ((version >= SftpConstants.SFTP_V6) && (flags & SftpConstants.SSH_FILEXFER_ATTR_CTIME) != 0) {
+ @SuppressWarnings("unused")
+ FileTime attrsChangedTime = SftpHelper.readTime(buffer, version, flags); // TODO the last time the file attributes were changed
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACL) != 0) {
+ attrs.setAcl(SftpHelper.readACLs(buffer, version));
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_BITS) != 0) {
+ @SuppressWarnings("unused")
+ int bits = buffer.getInt();
+ @SuppressWarnings("unused")
+ int valid = 0xffffffff;
+ if (version >= SftpConstants.SFTP_V6) {
+ valid = buffer.getInt();
+ }
+ // TODO: handle attrib bits
+ }
+
+ if (version >= SftpConstants.SFTP_V6) {
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_TEXT_HINT) != 0) {
+ @SuppressWarnings("unused")
+ boolean text = buffer.getBoolean(); // TODO: handle text
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MIME_TYPE) != 0) {
+ @SuppressWarnings("unused")
+ String mimeType = buffer.getString(); // TODO: handle mime-type
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_LINK_COUNT) != 0) {
+ @SuppressWarnings("unused")
+ int nlink = buffer.getInt(); // TODO: handle link-count
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_UNTRANSLATED_NAME) != 0) {
+ @SuppressWarnings("unused")
+ String untranslated = getReferencedName(cmd, buffer, nameIndex.getAndIncrement()); // TODO: handle untranslated-name
+ }
+ }
+ } else {
+ throw new IllegalStateException("readAttributes - unsupported version: " + version);
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
+ attrs.setExtensions(SftpHelper.readExtensions(buffer));
+ }
+
+ return attrs;
+ }
+
+ protected <B extends Buffer> B writeAttributes(int cmd, B buffer, Attributes attributes) throws IOException {
+ int version = getVersion();
+ int flagsMask = 0;
+ Collection<Attribute> flags = Objects.requireNonNull(attributes, "No attributes").getFlags();
+ if (version == SftpConstants.SFTP_V3) {
+ for (Attribute a : flags) {
+ switch (a) {
+ case Size:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_SIZE;
+ break;
+ case UidGid:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_UIDGID;
+ break;
+ case Perms:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS;
+ break;
+ case AccessTime:
+ if (flags.contains(Attribute.ModifyTime)) {
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME;
+ }
+ break;
+ case ModifyTime:
+ if (flags.contains(Attribute.AccessTime)) {
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME;
+ }
+ break;
+ case Extensions:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_EXTENDED;
+ break;
+ default: // do nothing
+ }
+ }
+ buffer.putInt(flagsMask);
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
+ buffer.putLong(attributes.getSize());
+ }
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_UIDGID) != 0) {
+ buffer.putInt(attributes.getUserId());
+ buffer.putInt(attributes.getGroupId());
+ }
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
+ buffer.putInt(attributes.getPermissions());
+ }
+
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME) != 0) {
+ buffer = SftpHelper.writeTime(buffer, version, flagsMask, attributes.getAccessTime());
+ buffer = SftpHelper.writeTime(buffer, version, flagsMask, attributes.getModifyTime());
+ }
+ } else if (version >= SftpConstants.SFTP_V4) {
+ for (Attribute a : flags) {
+ switch (a) {
+ case Size:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_SIZE;
+ break;
+ case OwnerGroup: {
+ /*
+ * According to https://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-13.txt
+ * section 7.5
+ *
+ * If either the owner or group field is zero length, the field
+ * should be considered absent, and no change should be made to
+ * that specific field during a modification operation.
+ */
+ String owner = attributes.getOwner();
+ String group = attributes.getGroup();
+ if (GenericUtils.isNotEmpty(owner) && GenericUtils.isNotEmpty(group)) {
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP;
+ }
+ break;
+ }
+ case Perms:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS;
+ break;
+ case AccessTime:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME;
+ break;
+ case ModifyTime:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME;
+ break;
+ case CreateTime:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_CREATETIME;
+ break;
+ case Acl:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_ACL;
+ break;
+ case Extensions:
+ flagsMask |= SftpConstants.SSH_FILEXFER_ATTR_EXTENDED;
+ break;
+ default: // do nothing
+ }
+ }
+ buffer.putInt(flagsMask);
+ buffer.putByte((byte) attributes.getType());
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
+ buffer.putLong(attributes.getSize());
+ }
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP) != 0) {
+ String owner = attributes.getOwner();
+ buffer.putString(owner);
+
+ String group = attributes.getGroup();
+ buffer.putString(group);
+ }
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
+ buffer.putInt(attributes.getPermissions());
+ }
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME) != 0) {
+ buffer = SftpHelper.writeTime(buffer, version, flagsMask, attributes.getAccessTime());
+ }
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_CREATETIME) != 0) {
+ buffer = SftpHelper.writeTime(buffer, version, flagsMask, attributes.getCreateTime());
+ }
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME) != 0) {
+ buffer = SftpHelper.writeTime(buffer, version, flagsMask, attributes.getModifyTime());
+ }
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_ACL) != 0) {
+ buffer = SftpHelper.writeACLs(buffer, version, attributes.getAcl());
+ }
+
+ // TODO: for v5 ? 6? add CTIME (see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-16 - v6)
+ } else {
+ throw new UnsupportedOperationException("writeAttributes(" + attributes + ") unsupported version: " + version);
+ }
+
+ if ((flagsMask & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
+ buffer = SftpHelper.writeExtensions(buffer, attributes.getExtensions());
+ }
+
+ return buffer;
+ }
+
+ @Override
+ public CloseableHandle open(String path, Collection<OpenMode> options) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("open(" + path + ")[" + options + "] client is closed");
+ }
+
+ /*
+ * Be consistent with FileChannel#open - if no mode specified then READ is assumed
+ */
+ if (GenericUtils.isEmpty(options)) {
+ options = EnumSet.of(OpenMode.Read);
+ }
+
+ Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_OPEN, buffer, path, 0);
+
+ int version = getVersion();
+ int mode = 0;
+ if (version < SftpConstants.SFTP_V5) {
+ for (OpenMode m : options) {
+ switch (m) {
+ case Read:
+ mode |= SftpConstants.SSH_FXF_READ;
+ break;
+ case Write:
+ mode |= SftpConstants.SSH_FXF_WRITE;
+ break;
+ case Append:
+ mode |= SftpConstants.SSH_FXF_APPEND;
+ break;
+ case Create:
+ mode |= SftpConstants.SSH_FXF_CREAT;
+ break;
+ case Truncate:
+ mode |= SftpConstants.SSH_FXF_TRUNC;
+ break;
+ case Exclusive:
+ mode |= SftpConstants.SSH_FXF_EXCL;
+ break;
+ default: // do nothing
+ }
+ }
+ } else {
+ int access = 0;
+ if (options.contains(OpenMode.Read)) {
+ access |= SftpConstants.ACE4_READ_DATA | SftpConstants.ACE4_READ_ATTRIBUTES;
+ }
+ if (options.contains(OpenMode.Write)) {
+ access |= SftpConstants.ACE4_WRITE_DATA | SftpConstants.ACE4_WRITE_ATTRIBUTES;
+ }
+ if (options.contains(OpenMode.Append)) {
+ access |= SftpConstants.ACE4_APPEND_DATA;
+ }
+ buffer.putInt(access);
+
+ if (options.contains(OpenMode.Create) && options.contains(OpenMode.Exclusive)) {
+ mode |= SftpConstants.SSH_FXF_CREATE_NEW;
+ } else if (options.contains(OpenMode.Create) && options.contains(OpenMode.Truncate)) {
+ mode |= SftpConstants.SSH_FXF_CREATE_TRUNCATE;
+ } else if (options.contains(OpenMode.Create)) {
+ mode |= SftpConstants.SSH_FXF_OPEN_OR_CREATE;
+ } else if (options.contains(OpenMode.Truncate)) {
+ mode |= SftpConstants.SSH_FXF_TRUNCATE_EXISTING;
+ } else {
+ mode |= SftpConstants.SSH_FXF_OPEN_EXISTING;
+ }
+ }
+ buffer.putInt(mode);
+ buffer = writeAttributes(SftpConstants.SSH_FXP_OPEN, buffer, fileOpenAttributes);
+
+ CloseableHandle handle = new DefaultCloseableHandle(this, path, checkHandle(SftpConstants.SSH_FXP_OPEN, buffer));
+ if (log.isTraceEnabled()) {
+ log.trace("open({})[{}] options={}: {}", getClientSession(), path, options, handle);
+ }
+ return handle;
+ }
+
+ @Override
+ public void close(Handle handle) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("close(" + handle + ") client is closed");
+ }
+
+ if (log.isTraceEnabled()) {
+ log.trace("close({}) {}", getClientSession(), handle);
+ }
+
+ byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
+ Buffer buffer = new ByteArrayBuffer(id.length + Long.SIZE /* some extra fields */, false);
+ buffer.putBytes(id);
+ checkCommandStatus(SftpConstants.SSH_FXP_CLOSE, buffer);
+ }
+
+ @Override
+ public void remove(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("remove(" + path + ") client is closed");
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("remove({}) {}", getClientSession(), path);
+ }
+
+ Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_REMOVE, buffer, path, 0);
+ checkCommandStatus(SftpConstants.SSH_FXP_REMOVE, buffer);
+ }
+
+ @Override
+ public void rename(String oldPath, String newPath, Collection<CopyMode> options) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("rename(" + oldPath + " => " + newPath + ")[" + options + "] client is closed");
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("rename({}) {} => {}", getClientSession(), oldPath, newPath);
+ }
+
+ Buffer buffer = new ByteArrayBuffer(oldPath.length() + newPath.length() + Long.SIZE /* some extra fields */, false);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_RENAME, buffer, oldPath, 0);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_RENAME, buffer, newPath, 1);
+
+ int numOptions = GenericUtils.size(options);
+ int version = getVersion();
+ if (version >= SftpConstants.SFTP_V5) {
+ int opts = 0;
+ if (numOptions > 0) {
+ for (CopyMode opt : options) {
+ switch (opt) {
+ case Atomic:
+ opts |= SftpConstants.SSH_FXP_RENAME_ATOMIC;
+ break;
+ case Overwrite:
+ opts |= SftpConstants.SSH_FXP_RENAME_OVERWRITE;
+ break;
+ default: // do nothing
+ }
+ }
+ }
+ buffer.putInt(opts);
+ } else if (numOptions > 0) {
+ throw new UnsupportedOperationException("rename(" + oldPath + " => " + newPath + ")"
+ + " - copy options can not be used with this SFTP version: " + options);
+ }
+ checkCommandStatus(SftpConstants.SSH_FXP_RENAME, buffer);
+ }
+
+ @Override
+ public int read(Handle handle, long fileOffset, byte[] dst, int dstOffset, int len, AtomicReference<Boolean> eofSignalled) throws IOException {
+ if (eofSignalled != null) {
+ eofSignalled.set(null);
+ }
+
+ if (!isOpen()) {
+ throw new IOException("read(" + handle + "/" + fileOffset + ")[" + dstOffset + "/" + len + "] client is closed");
+ }
+
+ byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
+ Buffer buffer = new ByteArrayBuffer(id.length + Long.SIZE /* some extra fields */, false);
+ buffer.putBytes(id);
+ buffer.putLong(fileOffset);
+ buffer.putInt(len);
+ return checkData(SftpConstants.SSH_FXP_READ, buffer, dstOffset, dst, eofSignalled);
+ }
+
+ protected int checkData(int cmd, Buffer request, int dstOffset, byte[] dst, AtomicReference<Boolean> eofSignalled) throws IOException {
+ if (eofSignalled != null) {
+ eofSignalled.set(null);
+ }
+ int reqId = send(cmd, request);
+ Buffer response = receive(reqId);
+ return checkDataResponse(cmd, response, dstOffset, dst, eofSignalled);
+ }
+
+ protected int checkDataResponse(int cmd, Buffer buffer, int dstoff, byte[] dst, AtomicReference<Boolean> eofSignalled) throws IOException {
+ if (eofSignalled != null) {
+ eofSignalled.set(null);
+ }
+
+ int length = buffer.getInt();
+ int type = buffer.getUByte();
+ int id = buffer.getInt();
+ if (type == SftpConstants.SSH_FXP_DATA) {
+ int len = buffer.getInt();
+ buffer.getRawBytes(dst, dstoff, len);
+ Boolean indicator = SftpHelper.getEndOfFileIndicatorValue(buffer, getVersion());
+ if (log.isTraceEnabled()) {
+ log.trace("checkDataResponse({}][id={}] {} offset={}, len={}, EOF={}",
+ getClientChannel(), SftpConstants.getCommandMessageName(cmd),
+ id, dstoff, len, indicator);
+ }
+ if (eofSignalled != null) {
+ eofSignalled.set(indicator);
+ }
+
+ return len;
+ }
+
+ if (type == SftpConstants.SSH_FXP_STATUS) {
+ int substatus = buffer.getInt();
+ String msg = buffer.getString();
+ String lang = buffer.getString();
+ if (log.isTraceEnabled()) {
+ log.trace("checkDataResponse({})[id={}] {} status: {} [{}] {}",
+ getClientChannel(), id, SftpConstants.getCommandMessageName(cmd),
+ SftpConstants.getStatusName(substatus), lang, msg);
+ }
+
+ if (substatus == SftpConstants.SSH_FX_EOF) {
+ return -1;
+ }
+
+ throwStatusException(cmd, id, substatus, msg, lang);
+ }
+
+ return handleUnknownDataPacket(cmd, id, type, length, buffer);
+ }
+
+ protected int handleUnknownDataPacket(int cmd, int id, int type, int length, Buffer buffer) throws IOException {
+ IOException err = handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_DATA, id, type, length, buffer);
+ if (err != null) {
+ throw err;
+ }
+
+ return 0;
+ }
+
+ @Override
+ public void write(Handle handle, long fileOffset, byte[] src, int srcOffset, int len) throws IOException {
+ // do some bounds checking first
+ if ((fileOffset < 0) || (srcOffset < 0) || (len < 0)) {
+ throw new IllegalArgumentException("write(" + handle + ") please ensure all parameters "
+ + " are non-negative values: file-offset=" + fileOffset
+ + ", src-offset=" + srcOffset + ", len=" + len);
+ }
+ if ((srcOffset + len) > src.length) {
+ throw new IllegalArgumentException("write(" + handle + ")"
+ + " cannot read bytes " + srcOffset + " to " + (srcOffset + len)
+ + " when array is only of length " + src.length);
+ }
+ if (!isOpen()) {
+ throw new IOException("write(" + handle + "/" + fileOffset + ")[" + srcOffset + "/" + len + "] client is closed");
+ }
+
+ if (log.isTraceEnabled()) {
+ log.trace("write({}) handle={}, file-offset={}, buf-offset={}, len={}",
+ getClientChannel(), handle, fileOffset, srcOffset, len);
+ }
+
+ byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
+ Buffer buffer = new ByteArrayBuffer(id.length + len + Long.SIZE /* some extra fields */, false);
+ buffer.putBytes(id);
+ buffer.putLong(fileOffset);
+ buffer.putBytes(src, srcOffset, len);
+ checkCommandStatus(SftpConstants.SSH_FXP_WRITE, buffer);
+ }
+
+ @Override
+ public void mkdir(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("mkdir(" + path + ") client is closed");
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("mkdir({}) {}", getClientSession(), path);
+ }
+
+ Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_MKDIR, buffer, path, 0);
+ buffer.putInt(0);
+
+ int version = getVersion();
+ if (version != SftpConstants.SFTP_V3) {
+ buffer.putByte((byte) 0);
+ }
+
+ checkCommandStatus(SftpConstants.SSH_FXP_MKDIR, buffer);
+ }
+
+ @Override
+ public void rmdir(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("rmdir(" + path + ") client is closed");
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("rmdir({}) {}", getClientSession(), path);
+ }
+
+ Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_RMDIR, buffer, path, 0);
+ checkCommandStatus(SftpConstants.SSH_FXP_RMDIR, buffer);
+ }
+
+ @Override
+ public CloseableHandle openDir(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("openDir(" + path + ") client is closed");
+ }
+
+ Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_OPENDIR, buffer, path, 0);
+
+ CloseableHandle handle = new DefaultCloseableHandle(this, path, checkHandle(SftpConstants.SSH_FXP_OPENDIR, buffer));
+ if (log.isTraceEnabled()) {
+ log.trace("openDir({})[{}}: {}", getClientSession(), path, handle);
+ }
+
+ return handle;
+ }
+
+ @Override
+ public List<DirEntry> readDir(Handle handle, AtomicReference<Boolean> eolIndicator) throws IOException {
+ if (eolIndicator != null) {
+ eolIndicator.set(null); // assume unknown information
+ }
+ if (!isOpen()) {
+ throw new IOException("readDir(" + handle + ") client is closed");
+ }
+
+ byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
+ Buffer buffer = new ByteArrayBuffer(id.length + Byte.SIZE /* some extra fields */, false);
+ buffer.putBytes(id);
+
+ int cmdId = send(SftpConstants.SSH_FXP_READDIR, buffer);
+ Buffer response = receive(cmdId);
+ return checkDirResponse(SftpConstants.SSH_FXP_READDIR, response, eolIndicator);
+ }
+
+ protected List<DirEntry> checkDirResponse(int cmd, Buffer buffer, AtomicReference<Boolean> eolIndicator) throws IOException {
+ if (eolIndicator != null) {
+ eolIndicator.set(null); // assume unknown
+ }
+
+ int length = buffer.getInt();
+ int type = buffer.getUByte();
+ int id = buffer.getInt();
+ boolean traceEnabled = log.isTraceEnabled();
+ if (type == SftpConstants.SSH_FXP_NAME) {
+ int len = buffer.getInt();
+ int version = getVersion();
+ ClientChannel channel = getClientChannel();
+ boolean debugEnabled = log.isDebugEnabled();
+ if (debugEnabled) {
+ log.debug("checkDirResponse({}}[id={}] reading {} entries", channel, id, len);
+ }
+
+ List<DirEntry> entries = new ArrayList<>(len);
+ AtomicInteger nameIndex = new AtomicInteger(0);
+ for (int i = 0; i < len; i++) {
+ String name = getReferencedName(cmd, buffer, nameIndex.getAndIncrement());
+ String longName = null;
+ if (version == SftpConstants.SFTP_V3) {
+ longName = getReferencedName(cmd, buffer, nameIndex.getAndIncrement());
+ }
+
+ Attributes attrs = readAttributes(cmd, buffer, nameIndex);
+ if (traceEnabled) {
+ log.trace("checkDirResponse({})[id={}][{}] ({})[{}]: {}",
+ channel, id, i, name, longName, attrs);
+ }
+
+ entries.add(new DirEntry(name, longName, attrs));
+ }
+
+ Boolean indicator = SftpHelper.getEndOfListIndicatorValue(buffer, version);
+ if (eolIndicator != null) {
+ eolIndicator.set(indicator);
+ }
+
+ if (debugEnabled) {
+ log.debug("checkDirResponse({}}[id={}] read count={}, eol={}", channel, entries.size(), indicator);
+ }
+ return entries;
+ }
+
+ if (type == SftpConstants.SSH_FXP_STATUS) {
+ int substatus = buffer.getInt();
+ String msg = buffer.getString();
+ String lang = buffer.getString();
+ if (traceEnabled) {
+ log.trace("checkDirResponse({})[id={}] - status: {} [{}] {}",
+ getClientChannel(), id, SftpConstants.getStatusName(substatus), lang, msg);
+ }
+
+ if (substatus == SftpConstants.SSH_FX_EOF) {
+ return null;
+ }
+
+ throwStatusException(cmd, id, substatus, msg, lang);
+ }
+
+ return handleUnknownDirListingPacket(cmd, id, type, length, buffer);
+ }
+
+ protected List<DirEntry> handleUnknownDirListingPacket(int cmd, int id, int type, int length, Buffer buffer) throws IOException {
+ IOException err = handleUnexpectedPacket(cmd, SftpConstants.SSH_FXP_NAME, id, type, length, buffer);
+ if (err != null) {
+ throw err;
+ }
+ return Collections.emptyList();
+ }
+
+ protected IOException handleUnexpectedPacket(int cmd, int expected, int id, int type, int length, Buffer buffer) throws IOException {
+ throw new SshException("Unexpected SFTP packet received while awaiting " + SftpConstants.getCommandMessageName(expected)
+ + " response to " + SftpConstants.getCommandMessageName(cmd)
+ + ": type=" + SftpConstants.getCommandMessageName(type) + ", id=" + id + ", length=" + length);
+ }
+
+ @Override
+ public String canonicalPath(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("canonicalPath(" + path + ") client is closed");
+ }
+
+ Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE, false);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_REALPATH, buffer, path, 0);
+ return checkOneName(SftpConstants.SSH_FXP_REALPATH, buffer);
+ }
+
+ @Override
+ public Attributes stat(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("stat(" + path + ") client is closed");
+ }
+
+ Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE, false);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_STAT, buffer, path, 0);
+
+ int version = getVersion();
+ if (version >= SftpConstants.SFTP_V4) {
+ buffer.putInt(SftpConstants.SSH_FILEXFER_ATTR_ALL);
+ }
+
+ return checkAttributes(SftpConstants.SSH_FXP_STAT, buffer);
+ }
+
+ @Override
+ public Attributes lstat(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("lstat(" + path + ") client is closed");
+ }
+
+ Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE, false);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_LSTAT, buffer, path, 0);
+
+ int version = getVersion();
+ if (version >= SftpConstants.SFTP_V4) {
+ buffer.putInt(SftpConstants.SSH_FILEXFER_ATTR_ALL);
+ }
+
+ return checkAttributes(SftpConstants.SSH_FXP_LSTAT, buffer);
+ }
+
+ @Override
+ public Attributes stat(Handle handle) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("stat(" + handle + ") client is closed");
+ }
+
+ byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
+ Buffer buffer = new ByteArrayBuffer(id.length + Byte.SIZE /* a bit extra */, false);
+ buffer.putBytes(id);
+
+ int version = getVersion();
+ if (version >= SftpConstants.SFTP_V4) {
+ buffer.putInt(SftpConstants.SSH_FILEXFER_ATTR_ALL);
+ }
+
+ return checkAttributes(SftpConstants.SSH_FXP_FSTAT, buffer);
+ }
+
+ @Override
+ public void setStat(String path, Attributes attributes) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("setStat(" + path + ")[" + attributes + "] client is closed");
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("setStat({})[{}]: {}", getClientSession(), path, attributes);
+ }
+
+ Buffer buffer = new ByteArrayBuffer();
+ buffer = putReferencedName(SftpConstants.SSH_FXP_SETSTAT, buffer, path, 0);
+ buffer = writeAttributes(SftpConstants.SSH_FXP_SETSTAT, buffer, attributes);
+ checkCommandStatus(SftpConstants.SSH_FXP_SETSTAT, buffer);
+ }
+
+ @Override
+ public void setStat(Handle handle, Attributes attributes) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("setStat(" + handle + ")[" + attributes + "] client is closed");
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("setStat({})[{}]: {}", getClientSession(), handle, attributes);
+ }
+ byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
+ Buffer buffer = new ByteArrayBuffer(id.length + (2 * Long.SIZE) /* some extras */, false);
+ buffer.putBytes(id);
+ buffer = writeAttributes(SftpConstants.SSH_FXP_FSETSTAT, buffer, attributes);
+ checkCommandStatus(SftpConstants.SSH_FXP_FSETSTAT, buffer);
+ }
+
+ @Override
+ public String readLink(String path) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("readLink(" + path + ") client is closed");
+ }
+
+ Buffer buffer = new ByteArrayBuffer(path.length() + Long.SIZE /* some extra fields */, false);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_READLINK, buffer, path, 0);
+ return checkOneName(SftpConstants.SSH_FXP_READLINK, buffer);
+ }
+
+ @Override
+ public void link(String linkPath, String targetPath, boolean symbolic) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("link(" + linkPath + " => " + targetPath + ")[symbolic=" + symbolic + "] client is closed");
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("link({})[symbolic={}] {} => {}", getClientSession(), symbolic, linkPath, targetPath);
+ }
+
+ Buffer buffer = new ByteArrayBuffer(linkPath.length() + targetPath.length() + Long.SIZE /* some extra fields */, false);
+ int version = getVersion();
+ if (version < SftpConstants.SFTP_V6) {
+ if (!symbolic) {
+ throw new UnsupportedOperationException("Hard links are not supported in sftp v" + version);
+ }
+ buffer = putReferencedName(SftpConstants.SSH_FXP_SYMLINK, buffer, targetPath, 0);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_SYMLINK, buffer, linkPath, 1);
+
+ checkCommandStatus(SftpConstants.SSH_FXP_SYMLINK, buffer);
+ } else {
+ buffer = putReferencedName(SftpConstants.SSH_FXP_SYMLINK, buffer, targetPath, 0);
+ buffer = putReferencedName(SftpConstants.SSH_FXP_SYMLINK, buffer, linkPath, 1);
+ buffer.putBoolean(symbolic);
+
+ checkCommandStatus(SftpConstants.SSH_FXP_LINK, buffer);
+ }
+ }
+
+ @Override
+ public void lock(Handle handle, long offset, long length, int mask) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("lock(" + handle + ")[offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask) + "] client is closed");
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("lock({})[{}] offset={}, length={}, mask=0x{}",
+ getClientSession(), handle, offset, length, Integer.toHexString(mask));
+ }
+
+ byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
+ Buffer buffer = new ByteArrayBuffer(id.length + Long.SIZE /* a bit extra */, false);
+ buffer.putBytes(id);
+ buffer.putLong(offset);
+ buffer.putLong(length);
+ buffer.putInt(mask);
+ checkCommandStatus(SftpConstants.SSH_FXP_BLOCK, buffer);
+ }
+
+ @Override
+ public void unlock(Handle handle, long offset, long length) throws IOException {
+ if (!isOpen()) {
+ throw new IOException("unlock" + handle + ")[offset=" + offset + ", length=" + length + "] client is closed");
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("unlock({})[{}] offset={}, length={}", getClientSession(), handle, offset, length);
+ }
+
+ byte[] id = Objects.requireNonNull(handle, "No handle").getIdentifier();
+ Buffer buffer = new ByteArrayBuffer(id.length + Long.SIZE /* a bit extra */, false);
+ buffer.putBytes(id);
+ buffer.putLong(offset);
+ buffer.putLong(length);
+ checkCommandStatus(SftpConstants.SSH_FXP_UNBLOCK, buffer);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpFileAttributeView.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpFileAttributeView.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpFileAttributeView.java
new file mode 100644
index 0000000..0fce423
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/AbstractSftpFileAttributeView.java
@@ -0,0 +1,92 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.impl;
+
+import java.io.IOException;
+import java.nio.file.LinkOption;
+import java.nio.file.NoSuchFileException;
+import java.nio.file.Path;
+import java.nio.file.attribute.FileAttributeView;
+import java.util.Objects;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpFileSystem;
+import org.apache.sshd.client.subsystem.sftp.SftpFileSystemProvider;
+import org.apache.sshd.client.subsystem.sftp.SftpPath;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.util.logging.AbstractLoggingBean;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractSftpFileAttributeView extends AbstractLoggingBean implements FileAttributeView {
+ protected final SftpFileSystemProvider provider;
+ protected final Path path;
+ protected final LinkOption[] options;
+
+ protected AbstractSftpFileAttributeView(SftpFileSystemProvider provider, Path path, LinkOption... options) {
+ this.provider = Objects.requireNonNull(provider, "No file system provider instance");
+ this.path = Objects.requireNonNull(path, "No path");
+ this.options = options;
+ }
+
+ @Override
+ public String name() {
+ return "view";
+ }
+
+ /**
+ * @return The underlying {@link SftpFileSystemProvider} used to
+ * provide the view functionality
+ */
+ public final SftpFileSystemProvider provider() {
+ return provider;
+ }
+
+ /**
+ * @return The referenced view {@link Path}
+ */
+ public final Path getPath() {
+ return path;
+ }
+
+ protected SftpClient.Attributes readRemoteAttributes() throws IOException {
+ return provider.readRemoteAttributes(provider.toSftpPath(path), options);
+ }
+
+ protected void writeRemoteAttributes(SftpClient.Attributes attrs) throws IOException {
+ SftpPath p = provider.toSftpPath(path);
+ SftpFileSystem fs = p.getFileSystem();
+ try (SftpClient client = fs.getClient()) {
+ try {
+ if (log.isDebugEnabled()) {
+ log.debug("writeRemoteAttributes({})[{}]: {}", fs, p, attrs);
+ }
+ client.setStat(p.toString(), attrs);
+ } catch (SftpException e) {
+ if (e.getStatus() == SftpConstants.SSH_FX_NO_SUCH_FILE) {
+ throw new NoSuchFileException(p.toString());
+ }
+ throw e;
+ }
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultCloseableHandle.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultCloseableHandle.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultCloseableHandle.java
new file mode 100644
index 0000000..f6597f3
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultCloseableHandle.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp.impl;
+
+import java.io.IOException;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
+import org.apache.sshd.common.util.ValidateUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class DefaultCloseableHandle extends CloseableHandle {
+ private final AtomicBoolean open = new AtomicBoolean(true);
+ private final SftpClient client;
+
+ public DefaultCloseableHandle(SftpClient client, String path, byte[] id) {
+ super(path, id);
+ this.client = ValidateUtils.checkNotNull(client, "No client for path=%s", path);
+ }
+
+ public final SftpClient getSftpClient() {
+ return client;
+ }
+
+ @Override
+ public boolean isOpen() {
+ return open.get();
+ }
+
+ @Override
+ public void close() throws IOException {
+ if (open.getAndSet(false)) {
+ client.close(this);
+ }
+ }
+
+ @Override // to avoid Findbugs[EQ_DOESNT_OVERRIDE_EQUALS]
+ public int hashCode() {
+ return super.hashCode();
+ }
+
+ @Override // to avoid Findbugs[EQ_DOESNT_OVERRIDE_EQUALS]
+ public boolean equals(Object obj) {
+ return super.equals(obj);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClient.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClient.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClient.java
new file mode 100644
index 0000000..d1f5a12
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClient.java
@@ -0,0 +1,464 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp.impl;
+
+import java.io.ByteArrayOutputStream;
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InterruptedIOException;
+import java.io.OutputStream;
+import java.io.StreamCorruptedException;
+import java.net.SocketTimeoutException;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.NavigableMap;
+import java.util.Objects;
+import java.util.Set;
+import java.util.TreeMap;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.apache.sshd.client.channel.ChannelSubsystem;
+import org.apache.sshd.client.channel.ClientChannel;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.SftpVersionSelector;
+import org.apache.sshd.common.PropertyResolverUtils;
+import org.apache.sshd.common.SshException;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
+import org.apache.sshd.common.subsystem.sftp.extensions.VersionsParser.Versions;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class DefaultSftpClient extends AbstractSftpClient {
+ private final ClientSession clientSession;
+ private final ChannelSubsystem channel;
+ private final Map<Integer, Buffer> messages = new HashMap<>();
+ private final AtomicInteger cmdId = new AtomicInteger(100);
+ private final Buffer receiveBuffer = new ByteArrayBuffer();
+ private final byte[] workBuf = new byte[Integer.BYTES];
+ private final AtomicInteger versionHolder = new AtomicInteger(0);
+ private final AtomicBoolean closing = new AtomicBoolean(false);
+ private final NavigableMap<String, byte[]> extensions = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ private final NavigableMap<String, byte[]> exposedExtensions = Collections.unmodifiableNavigableMap(extensions);
+ private Charset nameDecodingCharset = DEFAULT_NAME_DECODING_CHARSET;
+
+ public DefaultSftpClient(ClientSession clientSession) throws IOException {
+ this.nameDecodingCharset = PropertyResolverUtils.getCharset(clientSession, NAME_DECODING_CHARSET, DEFAULT_NAME_DECODING_CHARSET);
+ this.clientSession = Objects.requireNonNull(clientSession, "No client session");
+ this.channel = clientSession.createSubsystemChannel(SftpConstants.SFTP_SUBSYSTEM_NAME);
+ this.channel.setOut(new OutputStream() {
+ private final byte[] singleByte = new byte[1];
+ @Override
+ public void write(int b) throws IOException {
+ synchronized (singleByte) {
+ singleByte[0] = (byte) b;
+ write(singleByte);
+ }
+ }
+
+ @Override
+ public void write(byte[] b, int off, int len) throws IOException {
+ data(b, off, len);
+ }
+ });
+ this.channel.setErr(new ByteArrayOutputStream(Byte.MAX_VALUE));
+
+ long initializationTimeout = clientSession.getLongProperty(SFTP_CHANNEL_OPEN_TIMEOUT, DEFAULT_CHANNEL_OPEN_TIMEOUT);
+ this.channel.open().verify(initializationTimeout);
+ this.channel.onClose(() -> {
+ synchronized (messages) {
+ closing.set(true);
+ messages.notifyAll();
+ }
+
+ if (versionHolder.get() <= 0) {
+ log.warn("onClose({}) closed before version negotiated", channel);
+ }
+ });
+
+ try {
+ init(initializationTimeout);
+ } catch (IOException | RuntimeException e) {
+ this.channel.close(true);
+ throw e;
+ }
+ }
+
+ @Override
+ public int getVersion() {
+ return versionHolder.get();
+ }
+
+ @Override
+ public ClientSession getClientSession() {
+ return clientSession;
+ }
+
+ @Override
+ public ClientChannel getClientChannel() {
+ return channel;
+ }
+
+ @Override
+ public NavigableMap<String, byte[]> getServerExtensions() {
+ return exposedExtensions;
+ }
+
+ @Override
+ public Charset getNameDecodingCharset() {
+ return nameDecodingCharset;
+ }
+
+ @Override
+ public void setNameDecodingCharset(Charset nameDecodingCharset) {
+ this.nameDecodingCharset = Objects.requireNonNull(nameDecodingCharset, "No charset provided");
+ }
+
+ @Override
+ public boolean isClosing() {
+ return closing.get();
+ }
+
+ @Override
+ public boolean isOpen() {
+ return this.channel.isOpen();
+ }
+
+ @Override
+ public void close() throws IOException {
+ if (isOpen()) {
+ this.channel.close(false);
+ }
+ }
+
+ /**
+ * Receive binary data
+ * @param buf The buffer for the incoming data
+ * @param start Offset in buffer to place the data
+ * @param len Available space in buffer for the data
+ * @return Actual size of received data
+ * @throws IOException If failed to receive incoming data
+ */
+ protected int data(byte[] buf, int start, int len) throws IOException {
+ Buffer incoming = new ByteArrayBuffer(buf, start, len);
+ // If we already have partial data, we need to append it to the buffer and use it
+ if (receiveBuffer.available() > 0) {
+ receiveBuffer.putBuffer(incoming);
+ incoming = receiveBuffer;
+ }
+
+ // Process commands
+ int rpos = incoming.rpos();
+ boolean traceEnabled = log.isTraceEnabled();
+ for (int count = 1; receive(incoming); count++) {
+ if (traceEnabled) {
+ log.trace("data({}) Processed {} data messages", getClientChannel(), count);
+ }
+ }
+
+ int read = incoming.rpos() - rpos;
+ // Compact and add remaining data
+ receiveBuffer.compact();
+ if ((receiveBuffer != incoming) && (incoming.available() > 0)) {
+ receiveBuffer.putBuffer(incoming);
+ }
+
+ return read;
+ }
+
+ /**
+ * Read SFTP packets from buffer
+ *
+ * @param incoming The received {@link Buffer}
+ * @return {@code true} if data from incoming buffer was processed
+ * @throws IOException if failed to process the buffer
+ * @see #process(Buffer)
+ */
+ protected boolean receive(Buffer incoming) throws IOException {
+ int rpos = incoming.rpos();
+ int wpos = incoming.wpos();
+ ClientSession session = getClientSession();
+ session.resetIdleTimeout();
+
+ if ((wpos - rpos) > 4) {
+ int length = incoming.getInt();
+ if (length < 5) {
+ throw new IOException("Illegal sftp packet length: " + length);
+ }
+ if ((wpos - rpos) >= (length + 4)) {
+ incoming.rpos(rpos);
+ incoming.wpos(rpos + 4 + length);
+ process(incoming);
+ incoming.rpos(rpos + 4 + length);
+ incoming.wpos(wpos);
+ return true;
+ }
+ }
+ incoming.rpos(rpos);
+ return false;
+ }
+
+ /**
+ * Process an SFTP packet
+ *
+ * @param incoming The received {@link Buffer}
+ * @throws IOException if failed to process the buffer
+ */
+ protected void process(Buffer incoming) throws IOException {
+ // create a copy of the buffer in case it is being re-used
+ Buffer buffer = new ByteArrayBuffer(incoming.available() + Long.SIZE, false);
+ buffer.putBuffer(incoming);
+
+ int rpos = buffer.rpos();
+ int length = buffer.getInt();
+ int type = buffer.getUByte();
+ Integer id = buffer.getInt();
+ buffer.rpos(rpos);
+
+ if (log.isTraceEnabled()) {
+ log.trace("process({}) id={}, type={}, len={}",
+ getClientChannel(), id, SftpConstants.getCommandMessageName(type), length);
+ }
+
+ synchronized (messages) {
+ messages.put(id, buffer);
+ messages.notifyAll();
+ }
+ }
+
+ @Override
+ public int send(int cmd, Buffer buffer) throws IOException {
+ int id = cmdId.incrementAndGet();
+ int len = buffer.available();
+ if (log.isTraceEnabled()) {
+ log.trace("send({}) cmd={}, len={}, id={}",
+ getClientChannel(), SftpConstants.getCommandMessageName(cmd), len, id);
+ }
+
+ OutputStream dos = channel.getInvertedIn();
+ BufferUtils.writeInt(dos, 1 /* cmd */ + Integer.BYTES /* id */ + len, workBuf);
+ dos.write(cmd & 0xFF);
+ BufferUtils.writeInt(dos, id, workBuf);
+ dos.write(buffer.array(), buffer.rpos(), len);
+ dos.flush();
+ return id;
+ }
+
+ @Override
+ public Buffer receive(int id) throws IOException {
+ Integer reqId = id;
+ synchronized (messages) {
+ for (int count = 1;; count++) {
+ if (isClosing() || (!isOpen())) {
+ throw new SshException("Channel is being closed");
+ }
+
+ Buffer buffer = messages.remove(reqId);
+ if (buffer != null) {
+ return buffer;
+ }
+
+ try {
+ messages.wait();
+ } catch (InterruptedException e) {
+ throw (IOException) new InterruptedIOException("Interrupted while waiting for messages at iteration #" + count).initCause(e);
+ }
+ }
+ }
+ }
+
+ protected Buffer read() throws IOException {
+ InputStream dis = channel.getInvertedOut();
+ int length = BufferUtils.readInt(dis, workBuf);
+ // must have at least command + length
+ if (length < (1 + Integer.BYTES)) {
+ throw new IllegalArgumentException("Bad length: " + length);
+ }
+
+ Buffer buffer = new ByteArrayBuffer(length + Integer.BYTES, false);
+ buffer.putInt(length);
+ int nb = length;
+ while (nb > 0) {
+ int readLen = dis.read(buffer.array(), buffer.wpos(), nb);
+ if (readLen < 0) {
+ throw new IllegalArgumentException("Premature EOF while read " + length + " bytes - remaining=" + nb);
+ }
+ buffer.wpos(buffer.wpos() + readLen);
+ nb -= readLen;
+ }
+
+ return buffer;
+ }
+
+ protected void init(long initializationTimeout) throws IOException {
+ ValidateUtils.checkTrue(initializationTimeout > 0L, "Invalid initialization timeout: %d", initializationTimeout);
+
+ // Send init packet
+ OutputStream dos = channel.getInvertedIn();
+ BufferUtils.writeInt(dos, 5 /* total length */, workBuf);
+ dos.write(SftpConstants.SSH_FXP_INIT);
+ BufferUtils.writeInt(dos, SftpConstants.SFTP_V6, workBuf);
+ dos.flush();
+
+ Buffer buffer;
+ Integer reqId;
+ synchronized (messages) {
+ /*
+ * We need to use a timeout since if the remote server does not support
+ * SFTP, we will not know it immediately. This is due to the fact that the
+ * request for the subsystem does not contain a reply as to its success or
+ * failure. Thus, the SFTP channel is created by the client, but there is
+ * no one on the other side to reply - thus the need for the timeout
+ */
+ for (long remainingTimeout = initializationTimeout; (remainingTimeout > 0L) && messages.isEmpty() && (!isClosing()) && isOpen();) {
+ try {
+ long sleepStart = System.nanoTime();
+ messages.wait(remainingTimeout);
+ long sleepEnd = System.nanoTime();
+ long sleepDuration = sleepEnd - sleepStart;
+ long sleepMillis = TimeUnit.NANOSECONDS.toMillis(sleepDuration);
+ if (sleepMillis < 1L) {
+ remainingTimeout--;
+ } else {
+ remainingTimeout -= sleepMillis;
+ }
+ } catch (InterruptedException e) {
+ throw (IOException) new InterruptedIOException("Interrupted init()").initCause(e);
+ }
+ }
+
+ if (isClosing() || (!isOpen())) {
+ throw new EOFException("Closing while await init message");
+ }
+
+ if (messages.isEmpty()) {
+ throw new SocketTimeoutException("No incoming initialization response received within " + initializationTimeout + " msec.");
+ }
+
+ Collection<Integer> ids = messages.keySet();
+ Iterator<Integer> iter = ids.iterator();
+ reqId = iter.next();
+ buffer = messages.remove(reqId);
+ }
+
+ int length = buffer.getInt();
+ int type = buffer.getUByte();
+ int id = buffer.getInt();
+ boolean traceEnabled = log.isTraceEnabled();
+ if (traceEnabled) {
+ log.trace("init({}) id={} type={} len={}",
+ getClientChannel(), id, SftpConstants.getCommandMessageName(type), length);
+ }
+
+ if (type == SftpConstants.SSH_FXP_VERSION) {
+ if (id < SftpConstants.SFTP_V3) {
+ throw new SshException("Unsupported sftp version " + id);
+ }
+ versionHolder.set(id);
+
+ if (traceEnabled) {
+ log.trace("init({}) version={}", getClientChannel(), versionHolder);
+ }
+
+ while (buffer.available() > 0) {
+ String name = buffer.getString();
+ byte[] data = buffer.getBytes();
+ if (traceEnabled) {
+ log.trace("init({}) added extension=", getClientChannel(), name);
+ }
+ extensions.put(name, data);
+ }
+ } else if (type == SftpConstants.SSH_FXP_STATUS) {
+ int substatus = buffer.getInt();
+ String msg = buffer.getString();
+ String lang = buffer.getString();
+ if (traceEnabled) {
+ log.trace("init({})[id={}] - status: {} [{}] {}",
+ getClientChannel(), id, SftpConstants.getStatusName(substatus), lang, msg);
+ }
+
+ throwStatusException(SftpConstants.SSH_FXP_INIT, id, substatus, msg, lang);
+ } else {
+ handleUnexpectedPacket(SftpConstants.SSH_FXP_INIT, SftpConstants.SSH_FXP_VERSION, id, type, length, buffer);
+ }
+ }
+
+ /**
+ * @param selector The {@link SftpVersionSelector} to use - ignored if {@code null}
+ * @return The selected version (may be same as current)
+ * @throws IOException If failed to negotiate
+ */
+ public int negotiateVersion(SftpVersionSelector selector) throws IOException {
+ int current = getVersion();
+ if (selector == null) {
+ return current;
+ }
+
+ Set<Integer> available = GenericUtils.asSortedSet(Collections.singleton(current));
+ Map<String, ?> parsed = getParsedServerExtensions();
+ Collection<String> extensions = ParserUtils.supportedExtensions(parsed);
+ if ((GenericUtils.size(extensions) > 0) && extensions.contains(SftpConstants.EXT_VERSION_SELECT)) {
+ Versions vers = GenericUtils.isEmpty(parsed) ? null : (Versions) parsed.get(SftpConstants.EXT_VERSIONS);
+ Collection<String> reported = (vers == null) ? null : vers.getVersions();
+ if (GenericUtils.size(reported) > 0) {
+ for (String v : reported) {
+ if (!available.add(Integer.valueOf(v))) {
+ continue; // debug breakpoint
+ }
+ }
+ }
+ }
+
+ int selected = selector.selectVersion(getClientSession(), current, new ArrayList<>(available));
+ if (log.isDebugEnabled()) {
+ log.debug("negotiateVersion({}) current={} {} -> {}", getClientChannel(), current, available, selected);
+ }
+
+ if (selected == current) {
+ return current;
+ }
+
+ if (!available.contains(selected)) {
+ throw new StreamCorruptedException("Selected version (" + selected + ") not part of available: " + available);
+ }
+
+ String verVal = String.valueOf(selected);
+ Buffer buffer = new ByteArrayBuffer(Integer.BYTES + SftpConstants.EXT_VERSION_SELECT.length() // extension name
+ + Integer.BYTES + verVal.length() + Byte.SIZE, false);
+ buffer.putString(SftpConstants.EXT_VERSION_SELECT);
+ buffer.putString(verVal);
+ checkCommandStatus(SftpConstants.SSH_FXP_EXTENDED, buffer);
+ versionHolder.set(selected);
+ return selected;
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClientFactory.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClientFactory.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClientFactory.java
new file mode 100644
index 0000000..c6702f8
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/impl/DefaultSftpClientFactory.java
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp.impl;
+
+import java.io.IOException;
+
+import org.apache.sshd.client.ClientFactoryManager;
+import org.apache.sshd.client.SshClient;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClientFactory;
+import org.apache.sshd.client.subsystem.sftp.SftpFileSystem;
+import org.apache.sshd.client.subsystem.sftp.SftpFileSystemProvider;
+import org.apache.sshd.client.subsystem.sftp.SftpVersionSelector;
+import org.apache.sshd.common.util.logging.AbstractLoggingBean;
+
+/**
+ * TODO Add javadoc
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class DefaultSftpClientFactory extends AbstractLoggingBean implements SftpClientFactory {
+ public static final DefaultSftpClientFactory INSTANCE = new DefaultSftpClientFactory();
+
+ public DefaultSftpClientFactory() {
+ super();
+ }
+
+ @Override
+ public SftpClient createSftpClient(ClientSession session, SftpVersionSelector selector) throws IOException {
+ DefaultSftpClient client = createDefaultSftpClient(session, selector);
+ try {
+ client.negotiateVersion(selector);
+ } catch (IOException | RuntimeException e) {
+ if (log.isDebugEnabled()) {
+ log.debug("createSftpClient({}) failed ({}) to negotiate version: {}",
+ session, e.getClass().getSimpleName(), e.getMessage());
+ }
+ if (log.isTraceEnabled()) {
+ log.trace("createSftpClient(" + session + ") version negotiation failure details", e);
+ }
+
+ client.close();
+ throw e;
+ }
+
+ return client;
+ }
+
+ protected DefaultSftpClient createDefaultSftpClient(ClientSession session, SftpVersionSelector selector) throws IOException {
+ return new DefaultSftpClient(session);
+ }
+
+ @Override
+ public SftpFileSystem createSftpFileSystem(
+ ClientSession session, SftpVersionSelector selector, int readBufferSize, int writeBufferSize)
+ throws IOException {
+ ClientFactoryManager manager = session.getFactoryManager();
+ SftpFileSystemProvider provider = new SftpFileSystemProvider((SshClient) manager, selector);
+ SftpFileSystem fs = provider.newFileSystem(session);
+ fs.setReadBufferSize(readBufferSize);
+ fs.setWriteBufferSize(writeBufferSize);
+ return fs;
+ }
+}
[08/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpSubsystemHelper.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpSubsystemHelper.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpSubsystemHelper.java
new file mode 100644
index 0000000..08213ee
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpSubsystemHelper.java
@@ -0,0 +1,2580 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.EOFException;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.StreamCorruptedException;
+import java.nio.ByteBuffer;
+import java.nio.channels.SeekableByteChannel;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.AccessDeniedException;
+import java.nio.file.CopyOption;
+import java.nio.file.FileAlreadyExistsException;
+import java.nio.file.FileStore;
+import java.nio.file.FileSystem;
+import java.nio.file.Files;
+import java.nio.file.InvalidPathException;
+import java.nio.file.LinkOption;
+import java.nio.file.NoSuchFileException;
+import java.nio.file.NotDirectoryException;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
+import java.nio.file.StandardOpenOption;
+import java.nio.file.attribute.AclEntry;
+import java.nio.file.attribute.AclFileAttributeView;
+import java.nio.file.attribute.FileOwnerAttributeView;
+import java.nio.file.attribute.FileTime;
+import java.nio.file.attribute.GroupPrincipal;
+import java.nio.file.attribute.PosixFileAttributeView;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.UserPrincipal;
+import java.nio.file.attribute.UserPrincipalLookupService;
+import java.nio.file.attribute.UserPrincipalNotFoundException;
+import java.security.Principal;
+import java.util.AbstractMap.SimpleImmutableEntry;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.EnumSet;
+import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.NavigableMap;
+import java.util.Objects;
+import java.util.Set;
+import java.util.TreeMap;
+import java.util.TreeSet;
+import java.util.concurrent.CopyOnWriteArraySet;
+import java.util.function.IntUnaryOperator;
+
+import org.apache.sshd.common.FactoryManager;
+import org.apache.sshd.common.NamedFactory;
+import org.apache.sshd.common.NamedResource;
+import org.apache.sshd.common.OptionalFeature;
+import org.apache.sshd.common.PropertyResolver;
+import org.apache.sshd.common.PropertyResolverUtils;
+import org.apache.sshd.common.config.VersionProperties;
+import org.apache.sshd.common.digest.BuiltinDigests;
+import org.apache.sshd.common.digest.Digest;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.subsystem.sftp.SftpHelper;
+import org.apache.sshd.common.subsystem.sftp.extensions.AclSupportedParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.SpaceAvailableExtensionInfo;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.AbstractOpenSSHExtensionParser.OpenSSHExtension;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FsyncExtensionParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.HardLinkExtensionParser;
+import org.apache.sshd.common.util.EventListenerUtils;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.NumberUtils;
+import org.apache.sshd.common.util.OsUtils;
+import org.apache.sshd.common.util.SelectorUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+import org.apache.sshd.common.util.io.FileInfoExtractor;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.common.util.logging.AbstractLoggingBean;
+import org.apache.sshd.server.session.ServerSession;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractSftpSubsystemHelper
+ extends AbstractLoggingBean
+ implements SftpEventListenerManager, SftpSubsystemEnvironment {
+ /**
+ * Whether to automatically follow symbolic links when resolving paths
+ * @see #DEFAULT_AUTO_FOLLOW_LINKS
+ */
+ public static final String AUTO_FOLLOW_LINKS = "sftp-auto-follow-links";
+
+ /**
+ * Default value of {@value #AUTO_FOLLOW_LINKS}
+ */
+ public static final boolean DEFAULT_AUTO_FOLLOW_LINKS = true;
+
+ /**
+ * Allows controlling reports of which client extensions are supported
+ * (and reported via "support" and "support2" server
+ * extensions) as a comma-separate list of names. <B>Note:</B> requires
+ * overriding the {@link #executeExtendedCommand(Buffer, int, String)}
+ * command accordingly. If empty string is set then no server extensions
+ * are reported
+ *
+ * @see #DEFAULT_SUPPORTED_CLIENT_EXTENSIONS
+ */
+ public static final String CLIENT_EXTENSIONS_PROP = "sftp-client-extensions";
+
+ /**
+ * The default reported supported client extensions
+ */
+ public static final Map<String, OptionalFeature> DEFAULT_SUPPORTED_CLIENT_EXTENSIONS =
+ // TODO text-seek - see http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-13.txt
+ // TODO home-directory - see http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt
+ GenericUtils.<String, OptionalFeature>mapBuilder()
+ .put(SftpConstants.EXT_VERSION_SELECT, OptionalFeature.TRUE)
+ .put(SftpConstants.EXT_COPY_FILE, OptionalFeature.TRUE)
+ .put(SftpConstants.EXT_MD5_HASH, BuiltinDigests.md5)
+ .put(SftpConstants.EXT_MD5_HASH_HANDLE, BuiltinDigests.md5)
+ .put(SftpConstants.EXT_CHECK_FILE_HANDLE, OptionalFeature.any(BuiltinDigests.VALUES))
+ .put(SftpConstants.EXT_CHECK_FILE_NAME, OptionalFeature.any(BuiltinDigests.VALUES))
+ .put(SftpConstants.EXT_COPY_DATA, OptionalFeature.TRUE)
+ .put(SftpConstants.EXT_SPACE_AVAILABLE, OptionalFeature.TRUE)
+ .immutable();
+
+ /**
+ * Comma-separated list of which {@code OpenSSH} extensions are reported and
+ * what version is reported for each - format: {@code name=version}. If empty
+ * value set, then no such extensions are reported. Otherwise, the
+ * {@link #DEFAULT_OPEN_SSH_EXTENSIONS} are used
+ */
+ public static final String OPENSSH_EXTENSIONS_PROP = "sftp-openssh-extensions";
+ public static final List<OpenSSHExtension> DEFAULT_OPEN_SSH_EXTENSIONS =
+ Collections.unmodifiableList(
+ Arrays.asList(
+ new OpenSSHExtension(FsyncExtensionParser.NAME, "1"),
+ new OpenSSHExtension(HardLinkExtensionParser.NAME, "1")
+ ));
+
+ public static final List<String> DEFAULT_OPEN_SSH_EXTENSIONS_NAMES =
+ Collections.unmodifiableList(NamedResource.getNameList(DEFAULT_OPEN_SSH_EXTENSIONS));
+
+ /**
+ * Comma separate list of {@code SSH_ACL_CAP_xxx} names - where name can be without
+ * the prefix. If not defined then {@link #DEFAULT_ACL_SUPPORTED_MASK} is used
+ */
+ public static final String ACL_SUPPORTED_MASK_PROP = "sftp-acl-supported-mask";
+ public static final Set<Integer> DEFAULT_ACL_SUPPORTED_MASK =
+ Collections.unmodifiableSet(
+ new HashSet<>(Arrays.asList(
+ SftpConstants.SSH_ACL_CAP_ALLOW,
+ SftpConstants.SSH_ACL_CAP_DENY,
+ SftpConstants.SSH_ACL_CAP_AUDIT,
+ SftpConstants.SSH_ACL_CAP_ALARM)));
+
+ /**
+ * Property that can be used to set the reported NL value.
+ * If not set, then {@link IoUtils#EOL} is used
+ */
+ public static final String NEWLINE_VALUE = "sftp-newline";
+
+ /**
+ * Force the use of a max. packet length for {@link #doRead(Buffer, int)} protection
+ * against malicious packets
+ *
+ * @see #DEFAULT_MAX_READDATA_PACKET_LENGTH
+ */
+ public static final String MAX_READDATA_PACKET_LENGTH_PROP = "sftp-max-readdata-packet-length";
+ public static final int DEFAULT_MAX_READDATA_PACKET_LENGTH = 63 * 1024;
+
+ private final UnsupportedAttributePolicy unsupportedAttributePolicy;
+ private final Collection<SftpEventListener> sftpEventListeners = new CopyOnWriteArraySet<>();
+ private final SftpEventListener sftpEventListenerProxy;
+ private final SftpFileSystemAccessor fileSystemAccessor;
+ private final SftpErrorStatusDataHandler errorStatusDataHandler;
+
+ protected AbstractSftpSubsystemHelper(
+ UnsupportedAttributePolicy policy, SftpFileSystemAccessor accessor, SftpErrorStatusDataHandler handler) {
+ unsupportedAttributePolicy = Objects.requireNonNull(policy, "No unsupported attribute policy provided");
+ fileSystemAccessor = Objects.requireNonNull(accessor, "No file system accessor");
+ sftpEventListenerProxy = EventListenerUtils.proxyWrapper(SftpEventListener.class, getClass().getClassLoader(), sftpEventListeners);
+ errorStatusDataHandler = Objects.requireNonNull(handler, "No error status data handler");
+ }
+
+ @Override
+ public UnsupportedAttributePolicy getUnsupportedAttributePolicy() {
+ return unsupportedAttributePolicy;
+ }
+
+ @Override
+ public SftpFileSystemAccessor getFileSystemAccessor() {
+ return fileSystemAccessor;
+ }
+
+ @Override
+ public SftpEventListener getSftpEventListenerProxy() {
+ return sftpEventListenerProxy;
+ }
+
+ @Override
+ public boolean addSftpEventListener(SftpEventListener listener) {
+ return sftpEventListeners.add(SftpEventListener.validateListener(listener));
+ }
+
+ @Override
+ public boolean removeSftpEventListener(SftpEventListener listener) {
+ if (listener == null) {
+ return false;
+ }
+
+ return sftpEventListeners.remove(SftpEventListener.validateListener(listener));
+ }
+
+ public SftpErrorStatusDataHandler getErrorStatusDataHandler() {
+ return errorStatusDataHandler;
+ }
+
+ protected abstract void process(Buffer buffer) throws IOException;
+
+ /**
+ * @param buffer The {@link Buffer} holding the request
+ * @param id The request id
+ * @param proposed The proposed value
+ * @return A {@link Boolean} indicating whether to accept/reject the proposal.
+ * If {@code null} then rejection response has been sent, otherwise and
+ * appropriate response is generated
+ * @throws IOException If failed send an independent rejection response
+ */
+ protected Boolean validateProposedVersion(Buffer buffer, int id, String proposed) throws IOException {
+ if (log.isDebugEnabled()) {
+ log.debug("validateProposedVersion({})[id={}] SSH_FXP_EXTENDED(version-select) (version={})",
+ getServerSession(), id, proposed);
+ }
+
+ if (GenericUtils.length(proposed) != 1) {
+ return Boolean.FALSE;
+ }
+
+ char digit = proposed.charAt(0);
+ if ((digit < '0') || (digit > '9')) {
+ return Boolean.FALSE;
+ }
+
+ int value = digit - '0';
+ String all = checkVersionCompatibility(buffer, id, value, SftpConstants.SSH_FX_FAILURE);
+ if (GenericUtils.isEmpty(all)) { // validation failed
+ return null;
+ } else {
+ return Boolean.TRUE;
+ }
+ }
+
+ /**
+ * Checks if a proposed version is within supported range. <B>Note:</B>
+ * if the user forced a specific value via the {@link SftpSubsystemEnvironment#SFTP_VERSION}
+ * property, then it is used to validate the proposed value
+ *
+ * @param buffer The {@link Buffer} containing the request
+ * @param id The SSH message ID to be used to send the failure message
+ * if required
+ * @param proposed The proposed version value
+ * @param failureOpcode The failure opcode to send if validation fails
+ * @return A {@link String} of comma separated values representing all
+ * the supported version - {@code null} if validation failed and an
+ * appropriate status message was sent
+ * @throws IOException If failed to send the failure status message
+ */
+ protected String checkVersionCompatibility(Buffer buffer, int id, int proposed, int failureOpcode) throws IOException {
+ int low = SftpSubsystemEnvironment.LOWER_SFTP_IMPL;
+ int hig = SftpSubsystemEnvironment.HIGHER_SFTP_IMPL;
+ String available = SftpSubsystemEnvironment.ALL_SFTP_IMPL;
+ // check if user wants to use a specific version
+ ServerSession session = getServerSession();
+ Integer sftpVersion = session.getInteger(SftpSubsystemEnvironment.SFTP_VERSION);
+ if (sftpVersion != null) {
+ int forcedValue = sftpVersion;
+ if ((forcedValue < SftpSubsystemEnvironment.LOWER_SFTP_IMPL) || (forcedValue > SftpSubsystemEnvironment.HIGHER_SFTP_IMPL)) {
+ throw new IllegalStateException("Forced SFTP version (" + sftpVersion + ") not within supported values: " + available);
+ }
+ hig = sftpVersion;
+ low = hig;
+ available = sftpVersion.toString();
+ }
+
+ if (log.isTraceEnabled()) {
+ log.trace("checkVersionCompatibility({})[id={}] - proposed={}, available={}",
+ getServerSession(), id, proposed, available);
+ }
+
+ if ((proposed < low) || (proposed > hig)) {
+ sendStatus(BufferUtils.clear(buffer), id, failureOpcode, "Proposed version (" + proposed + ") not in supported range: " + available);
+ return null;
+ }
+
+ return available;
+ }
+
+ protected void doOpen(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ /*
+ * Be consistent with FileChannel#open - if no mode specified then READ is assumed
+ */
+ int access = 0;
+ int version = getVersion();
+ if (version >= SftpConstants.SFTP_V5) {
+ access = buffer.getInt();
+ if (access == 0) {
+ access = SftpConstants.ACE4_READ_DATA | SftpConstants.ACE4_READ_ATTRIBUTES;
+ }
+ }
+
+ int pflags = buffer.getInt();
+ if (pflags == 0) {
+ pflags = SftpConstants.SSH_FXF_READ;
+ }
+
+ if (version < SftpConstants.SFTP_V5) {
+ int flags = pflags;
+ pflags = 0;
+ switch (flags & (SftpConstants.SSH_FXF_READ | SftpConstants.SSH_FXF_WRITE)) {
+ case SftpConstants.SSH_FXF_READ:
+ access |= SftpConstants.ACE4_READ_DATA | SftpConstants.ACE4_READ_ATTRIBUTES;
+ break;
+ case SftpConstants.SSH_FXF_WRITE:
+ access |= SftpConstants.ACE4_WRITE_DATA | SftpConstants.ACE4_WRITE_ATTRIBUTES;
+ break;
+ default:
+ access |= SftpConstants.ACE4_READ_DATA | SftpConstants.ACE4_READ_ATTRIBUTES;
+ access |= SftpConstants.ACE4_WRITE_DATA | SftpConstants.ACE4_WRITE_ATTRIBUTES;
+ break;
+ }
+ if ((flags & SftpConstants.SSH_FXF_APPEND) != 0) {
+ access |= SftpConstants.ACE4_APPEND_DATA;
+ pflags |= SftpConstants.SSH_FXF_APPEND_DATA | SftpConstants.SSH_FXF_APPEND_DATA_ATOMIC;
+ }
+ if ((flags & SftpConstants.SSH_FXF_CREAT) != 0) {
+ if ((flags & SftpConstants.SSH_FXF_EXCL) != 0) {
+ pflags |= SftpConstants.SSH_FXF_CREATE_NEW;
+ } else if ((flags & SftpConstants.SSH_FXF_TRUNC) != 0) {
+ pflags |= SftpConstants.SSH_FXF_CREATE_TRUNCATE;
+ } else {
+ pflags |= SftpConstants.SSH_FXF_OPEN_OR_CREATE;
+ }
+ } else {
+ if ((flags & SftpConstants.SSH_FXF_TRUNC) != 0) {
+ pflags |= SftpConstants.SSH_FXF_TRUNCATE_EXISTING;
+ } else {
+ pflags |= SftpConstants.SSH_FXF_OPEN_EXISTING;
+ }
+ }
+ }
+
+ Map<String, Object> attrs = readAttrs(buffer);
+ String handle;
+ try {
+ handle = doOpen(id, path, pflags, access, attrs);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_OPEN, path);
+ return;
+ }
+
+ sendHandle(BufferUtils.clear(buffer), id, handle);
+ }
+
+ /**
+ * @param id Request id
+ * @param path Path
+ * @param pflags Open mode flags - see {@code SSH_FXF_XXX} flags
+ * @param access Access mode flags - see {@code ACE4_XXX} flags
+ * @param attrs Requested attributes
+ * @return The assigned (opaque) handle
+ * @throws IOException if failed to execute
+ */
+ protected abstract String doOpen(int id, String path, int pflags, int access, Map<String, Object> attrs) throws IOException;
+
+ protected void doClose(Buffer buffer, int id) throws IOException {
+ String handle = buffer.getString();
+ try {
+ doClose(id, handle);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_CLOSE, handle);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "", "");
+ }
+
+ protected abstract void doClose(int id, String handle) throws IOException;
+
+ protected void doRead(Buffer buffer, int id) throws IOException {
+ String handle = buffer.getString();
+ long offset = buffer.getLong();
+ int requestedLength = buffer.getInt();
+ ServerSession serverSession = getServerSession();
+ int maxAllowed = serverSession.getIntProperty(MAX_READDATA_PACKET_LENGTH_PROP, DEFAULT_MAX_READDATA_PACKET_LENGTH);
+ int readLen = Math.min(requestedLength, maxAllowed);
+ if (log.isTraceEnabled()) {
+ log.trace("doRead({})[id={}]({})[offset={}] - req={}, max={}, effective={}",
+ serverSession, id, handle, offset, requestedLength, maxAllowed, readLen);
+ }
+
+ try {
+ ValidateUtils.checkTrue(readLen >= 0, "Illegal requested read length: %d", readLen);
+
+ buffer.clear();
+ buffer.ensureCapacity(readLen + Long.SIZE /* the header */, IntUnaryOperator.identity());
+
+ buffer.putByte((byte) SftpConstants.SSH_FXP_DATA);
+ buffer.putInt(id);
+ int lenPos = buffer.wpos();
+ buffer.putInt(0);
+
+ int startPos = buffer.wpos();
+ int len = doRead(id, handle, offset, readLen, buffer.array(), startPos);
+ if (len < 0) {
+ throw new EOFException("Unable to read " + readLen + " bytes from offset=" + offset + " of " + handle);
+ }
+ buffer.wpos(startPos + len);
+ BufferUtils.updateLengthPlaceholder(buffer, lenPos, len);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_READ, handle, offset, requestedLength);
+ return;
+ }
+
+ send(buffer);
+ }
+
+ protected abstract int doRead(int id, String handle, long offset, int length, byte[] data, int doff) throws IOException;
+
+ protected void doWrite(Buffer buffer, int id) throws IOException {
+ String handle = buffer.getString();
+ long offset = buffer.getLong();
+ int length = buffer.getInt();
+ try {
+ doWrite(id, handle, offset, length, buffer.array(), buffer.rpos(), buffer.available());
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_WRITE, handle, offset, length);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected abstract void doWrite(int id, String handle, long offset, int length, byte[] data, int doff, int remaining) throws IOException;
+
+ protected void doLStat(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ int flags = SftpConstants.SSH_FILEXFER_ATTR_ALL;
+ int version = getVersion();
+ if (version >= SftpConstants.SFTP_V4) {
+ flags = buffer.getInt();
+ }
+
+ Map<String, ?> attrs;
+ try {
+ attrs = doLStat(id, path, flags);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_LSTAT, path, flags);
+ return;
+ }
+
+ sendAttrs(BufferUtils.clear(buffer), id, attrs);
+ }
+
+ protected Map<String, Object> doLStat(int id, String path, int flags) throws IOException {
+ Path p = resolveFile(path);
+ if (log.isDebugEnabled()) {
+ log.debug("doLStat({})[id={}] SSH_FXP_LSTAT (path={}[{}], flags=0x{})",
+ getServerSession(), id, path, p, Integer.toHexString(flags));
+ }
+
+ /*
+ * SSH_FXP_STAT and SSH_FXP_LSTAT only differ in that SSH_FXP_STAT
+ * follows symbolic links on the server, whereas SSH_FXP_LSTAT does not.
+ */
+ return resolveFileAttributes(p, flags, IoUtils.getLinkOptions(false));
+ }
+
+ protected void doSetStat(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ Map<String, Object> attrs = readAttrs(buffer);
+ try {
+ doSetStat(id, path, attrs);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_SETSTAT, path);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected void doSetStat(int id, String path, Map<String, ?> attrs) throws IOException {
+ if (log.isDebugEnabled()) {
+ log.debug("doSetStat({})[id={}] SSH_FXP_SETSTAT (path={}, attrs={})",
+ getServerSession(), id, path, attrs);
+ }
+ Path p = resolveFile(path);
+ doSetAttributes(p, attrs);
+ }
+
+ protected void doFStat(Buffer buffer, int id) throws IOException {
+ String handle = buffer.getString();
+ int flags = SftpConstants.SSH_FILEXFER_ATTR_ALL;
+ int version = getVersion();
+ if (version >= SftpConstants.SFTP_V4) {
+ flags = buffer.getInt();
+ }
+
+ Map<String, ?> attrs;
+ try {
+ attrs = doFStat(id, handle, flags);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_FSTAT, handle, flags);
+ return;
+ }
+
+ sendAttrs(BufferUtils.clear(buffer), id, attrs);
+ }
+
+ protected abstract Map<String, Object> doFStat(int id, String handle, int flags) throws IOException;
+
+ protected void doFSetStat(Buffer buffer, int id) throws IOException {
+ String handle = buffer.getString();
+ Map<String, Object> attrs = readAttrs(buffer);
+ try {
+ doFSetStat(id, handle, attrs);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_FSETSTAT, handle, attrs);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected abstract void doFSetStat(int id, String handle, Map<String, ?> attrs) throws IOException;
+
+ protected void doOpenDir(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ String handle;
+
+ try {
+ Path p = resolveNormalizedLocation(path);
+ if (log.isDebugEnabled()) {
+ log.debug("doOpenDir({})[id={}] SSH_FXP_OPENDIR (path={})[{}]",
+ getServerSession(), id, path, p);
+ }
+
+ LinkOption[] options =
+ getPathResolutionLinkOption(SftpConstants.SSH_FXP_OPENDIR, "", p);
+ handle = doOpenDir(id, path, p, options);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_OPENDIR, path);
+ return;
+ }
+
+ sendHandle(BufferUtils.clear(buffer), id, handle);
+ }
+
+ protected abstract String doOpenDir(int id, String path, Path p, LinkOption... options) throws IOException;
+
+ protected abstract void doReadDir(Buffer buffer, int id) throws IOException;
+
+ protected void doLink(Buffer buffer, int id) throws IOException {
+ String targetPath = buffer.getString();
+ String linkPath = buffer.getString();
+ boolean symLink = buffer.getBoolean();
+
+ try {
+ if (log.isDebugEnabled()) {
+ log.debug("doLink({})[id={}] SSH_FXP_LINK linkpath={}, targetpath={}, symlink={}",
+ getServerSession(), id, linkPath, targetPath, symLink);
+ }
+
+ doLink(id, targetPath, linkPath, symLink);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_LINK, targetPath, linkPath, symLink);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected void doLink(int id, String targetPath, String linkPath, boolean symLink) throws IOException {
+ createLink(id, targetPath, linkPath, symLink);
+ }
+
+ protected void doSymLink(Buffer buffer, int id) throws IOException {
+ String targetPath = buffer.getString();
+ String linkPath = buffer.getString();
+ try {
+ if (log.isDebugEnabled()) {
+ log.debug("doSymLink({})[id={}] SSH_FXP_SYMLINK linkpath={}, targetpath={}",
+ getServerSession(), id, targetPath, linkPath);
+ }
+ doSymLink(id, targetPath, linkPath);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_SYMLINK, targetPath, linkPath);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected void doSymLink(int id, String targetPath, String linkPath) throws IOException {
+ createLink(id, targetPath, linkPath, true);
+ }
+
+ protected abstract void createLink(int id, String existingPath, String linkPath, boolean symLink) throws IOException;
+
+ // see https://github.com/openssh/openssh-portable/blob/master/PROTOCOL section 10
+ protected void doOpenSSHHardLink(Buffer buffer, int id) throws IOException {
+ String srcFile = buffer.getString();
+ String dstFile = buffer.getString();
+
+ try {
+ doOpenSSHHardLink(id, srcFile, dstFile);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_EXTENDED, HardLinkExtensionParser.NAME, srcFile, dstFile);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected void doOpenSSHHardLink(int id, String srcFile, String dstFile) throws IOException {
+ if (log.isDebugEnabled()) {
+ log.debug("doOpenSSHHardLink({})[id={}] SSH_FXP_EXTENDED[{}] (src={}, dst={})",
+ getServerSession(), id, HardLinkExtensionParser.NAME, srcFile, dstFile);
+ }
+
+ createLink(id, srcFile, dstFile, false);
+ }
+
+ protected void doSpaceAvailable(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ SpaceAvailableExtensionInfo info;
+ try {
+ info = doSpaceAvailable(id, path);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_EXTENDED, SftpConstants.EXT_SPACE_AVAILABLE, path);
+ return;
+ }
+
+ buffer.clear();
+ buffer.putByte((byte) SftpConstants.SSH_FXP_EXTENDED_REPLY);
+ buffer.putInt(id);
+ SpaceAvailableExtensionInfo.encode(buffer, info);
+ send(buffer);
+ }
+
+ protected SpaceAvailableExtensionInfo doSpaceAvailable(int id, String path) throws IOException {
+ Path nrm = resolveNormalizedLocation(path);
+ if (log.isDebugEnabled()) {
+ log.debug("doSpaceAvailable({})[id={}] path={}[{}]", getServerSession(), id, path, nrm);
+ }
+
+ FileStore store = Files.getFileStore(nrm);
+ if (log.isTraceEnabled()) {
+ log.trace("doSpaceAvailable({})[id={}] path={}[{}] - {}[{}]",
+ getServerSession(), id, path, nrm, store.name(), store.type());
+ }
+
+ return new SpaceAvailableExtensionInfo(store);
+ }
+
+ protected void doTextSeek(Buffer buffer, int id) throws IOException {
+ String handle = buffer.getString();
+ long line = buffer.getLong();
+ try {
+ // TODO : implement text-seek - see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-03#section-6.3
+ doTextSeek(id, handle, line);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_EXTENDED, SftpConstants.EXT_TEXT_SEEK, handle, line);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected abstract void doTextSeek(int id, String handle, long line) throws IOException;
+
+ // see https://github.com/openssh/openssh-portable/blob/master/PROTOCOL section 10
+ protected void doOpenSSHFsync(Buffer buffer, int id) throws IOException {
+ String handle = buffer.getString();
+ try {
+ doOpenSSHFsync(id, handle);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_EXTENDED, FsyncExtensionParser.NAME, handle);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected abstract void doOpenSSHFsync(int id, String handle) throws IOException;
+
+ protected void doCheckFileHash(Buffer buffer, int id, String targetType) throws IOException {
+ String target = buffer.getString();
+ String algList = buffer.getString();
+ String[] algos = GenericUtils.split(algList, ',');
+ long startOffset = buffer.getLong();
+ long length = buffer.getLong();
+ int blockSize = buffer.getInt();
+ try {
+ buffer.clear();
+ buffer.putByte((byte) SftpConstants.SSH_FXP_EXTENDED_REPLY);
+ buffer.putInt(id);
+ buffer.putString(SftpConstants.EXT_CHECK_FILE);
+ doCheckFileHash(id, targetType, target, Arrays.asList(algos), startOffset, length, blockSize, buffer);
+ } catch (Exception e) {
+ sendStatus(BufferUtils.clear(buffer), id, e,
+ SftpConstants.SSH_FXP_EXTENDED, targetType, target, algList, startOffset, length, blockSize);
+ return;
+ }
+
+ send(buffer);
+ }
+
+ protected void doCheckFileHash(int id, Path file, NamedFactory<? extends Digest> factory,
+ long startOffset, long length, int blockSize, Buffer buffer)
+ throws Exception {
+ ValidateUtils.checkTrue(startOffset >= 0L, "Invalid start offset: %d", startOffset);
+ ValidateUtils.checkTrue(length >= 0L, "Invalid length: %d", length);
+ ValidateUtils.checkTrue((blockSize == 0) || (blockSize >= SftpConstants.MIN_CHKFILE_BLOCKSIZE), "Invalid block size: %d", blockSize);
+ Objects.requireNonNull(factory, "No digest factory provided");
+ buffer.putString(factory.getName());
+
+ long effectiveLength = length;
+ long totalLength = Files.size(file);
+ if (effectiveLength == 0L) {
+ effectiveLength = totalLength - startOffset;
+ } else {
+ long maxRead = startOffset + length;
+ if (maxRead > totalLength) {
+ effectiveLength = totalLength - startOffset;
+ }
+ }
+ ValidateUtils.checkTrue(effectiveLength > 0L, "Non-positive effective hash data length: %d", effectiveLength);
+
+ byte[] digestBuf = (blockSize == 0)
+ ? new byte[Math.min((int) effectiveLength, IoUtils.DEFAULT_COPY_SIZE)]
+ : new byte[Math.min((int) effectiveLength, blockSize)];
+ ByteBuffer wb = ByteBuffer.wrap(digestBuf);
+ SftpFileSystemAccessor accessor = getFileSystemAccessor();
+ try (SeekableByteChannel channel = accessor.openFile(getServerSession(), this, file, "", Collections.emptySet())) {
+ channel.position(startOffset);
+
+ Digest digest = factory.create();
+ digest.init();
+
+ boolean traceEnabled = log.isTraceEnabled();
+ if (blockSize == 0) {
+ while (effectiveLength > 0L) {
+ int remainLen = Math.min(digestBuf.length, (int) effectiveLength);
+ ByteBuffer bb = wb;
+ if (remainLen < digestBuf.length) {
+ bb = ByteBuffer.wrap(digestBuf, 0, remainLen);
+ }
+ bb.clear(); // prepare for next read
+
+ int readLen = channel.read(bb);
+ if (readLen < 0) {
+ break;
+ }
+
+ effectiveLength -= readLen;
+ digest.update(digestBuf, 0, readLen);
+ }
+
+ byte[] hashValue = digest.digest();
+ if (traceEnabled) {
+ log.trace("doCheckFileHash({})[{}] offset={}, length={} - algo={}, hash={}",
+ getServerSession(), file, startOffset, length,
+ digest.getAlgorithm(), BufferUtils.toHex(':', hashValue));
+ }
+ buffer.putBytes(hashValue);
+ } else {
+ for (int count = 0; effectiveLength > 0L; count++) {
+ int remainLen = Math.min(digestBuf.length, (int) effectiveLength);
+ ByteBuffer bb = wb;
+ if (remainLen < digestBuf.length) {
+ bb = ByteBuffer.wrap(digestBuf, 0, remainLen);
+ }
+ bb.clear(); // prepare for next read
+
+ int readLen = channel.read(bb);
+ if (readLen < 0) {
+ break;
+ }
+
+ effectiveLength -= readLen;
+ digest.update(digestBuf, 0, readLen);
+
+ byte[] hashValue = digest.digest(); // NOTE: this also resets the hash for the next read
+ if (traceEnabled) {
+ log.trace("doCheckFileHash({})({})[{}] offset={}, length={} - algo={}, hash={}",
+ getServerSession(), file, count, startOffset, length,
+ digest.getAlgorithm(), BufferUtils.toHex(':', hashValue));
+ }
+ buffer.putBytes(hashValue);
+ }
+ }
+ }
+ }
+
+ protected void doMD5Hash(Buffer buffer, int id, String targetType) throws IOException {
+ String target = buffer.getString();
+ long startOffset = buffer.getLong();
+ long length = buffer.getLong();
+ byte[] quickCheckHash = buffer.getBytes();
+ byte[] hashValue;
+
+ try {
+ hashValue = doMD5Hash(id, targetType, target, startOffset, length, quickCheckHash);
+ if (log.isTraceEnabled()) {
+ log.trace("doMD5Hash({})({})[{}] offset={}, length={}, quick-hash={} - hash={}",
+ getServerSession(), targetType, target, startOffset, length,
+ BufferUtils.toHex(':', quickCheckHash),
+ BufferUtils.toHex(':', hashValue));
+ }
+
+ } catch (Exception e) {
+ sendStatus(BufferUtils.clear(buffer), id, e,
+ SftpConstants.SSH_FXP_EXTENDED, targetType, target, startOffset, length, quickCheckHash);
+ return;
+ }
+
+ buffer.clear();
+ buffer.putByte((byte) SftpConstants.SSH_FXP_EXTENDED_REPLY);
+ buffer.putInt(id);
+ buffer.putString(targetType);
+ buffer.putBytes(hashValue);
+ send(buffer);
+ }
+
+ protected abstract byte[] doMD5Hash(
+ int id, String targetType, String target, long startOffset, long length, byte[] quickCheckHash)
+ throws Exception;
+
+ protected byte[] doMD5Hash(int id, Path path, long startOffset, long length, byte[] quickCheckHash) throws Exception {
+ ValidateUtils.checkTrue(startOffset >= 0L, "Invalid start offset: %d", startOffset);
+ ValidateUtils.checkTrue(length > 0L, "Invalid length: %d", length);
+ if (!BuiltinDigests.md5.isSupported()) {
+ throw new UnsupportedOperationException(BuiltinDigests.md5.getAlgorithm() + " hash not supported");
+ }
+
+ Digest digest = BuiltinDigests.md5.create();
+ digest.init();
+
+ long effectiveLength = length;
+ byte[] digestBuf = new byte[(int) Math.min(effectiveLength, SftpConstants.MD5_QUICK_HASH_SIZE)];
+ ByteBuffer wb = ByteBuffer.wrap(digestBuf);
+ boolean hashMatches = false;
+ byte[] hashValue = null;
+ SftpFileSystemAccessor accessor = getFileSystemAccessor();
+ boolean traceEnabled = log.isTraceEnabled();
+ try (SeekableByteChannel channel = accessor.openFile(getServerSession(), this, path, null, EnumSet.of(StandardOpenOption.READ))) {
+ channel.position(startOffset);
+
+ /*
+ * To quote http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt section 9.1.1:
+ *
+ * If this is a zero length string, the client does not have the
+ * data, and is requesting the hash for reasons other than comparing
+ * with a local file. The server MAY return SSH_FX_OP_UNSUPPORTED in
+ * this case.
+ */
+ if (NumberUtils.length(quickCheckHash) <= 0) {
+ // TODO consider limiting it - e.g., if the requested effective length is <= than some (configurable) threshold
+ hashMatches = true;
+ } else {
+ int readLen = channel.read(wb);
+ if (readLen < 0) {
+ throw new EOFException("EOF while read initial buffer from " + path);
+ }
+ effectiveLength -= readLen;
+ digest.update(digestBuf, 0, readLen);
+
+ hashValue = digest.digest();
+ hashMatches = Arrays.equals(quickCheckHash, hashValue);
+ if (hashMatches) {
+ /*
+ * Need to re-initialize the digester due to the Javadoc:
+ *
+ * "The digest method can be called once for a given number
+ * of updates. After digest has been called, the MessageDigest
+ * object is reset to its initialized state."
+ */
+ if (effectiveLength > 0L) {
+ digest = BuiltinDigests.md5.create();
+ digest.init();
+ digest.update(digestBuf, 0, readLen);
+ hashValue = null; // start again
+ }
+ } else {
+ if (traceEnabled) {
+ log.trace("doMD5Hash({})({}) offset={}, length={} - quick-hash mismatched expected={}, actual={}",
+ getServerSession(), path, startOffset, length,
+ BufferUtils.toHex(':', quickCheckHash),
+ BufferUtils.toHex(':', hashValue));
+ }
+ }
+ }
+
+ if (hashMatches) {
+ while (effectiveLength > 0L) {
+ int remainLen = Math.min(digestBuf.length, (int) effectiveLength);
+ ByteBuffer bb = wb;
+ if (remainLen < digestBuf.length) {
+ bb = ByteBuffer.wrap(digestBuf, 0, remainLen);
+ }
+ bb.clear(); // prepare for next read
+
+ int readLen = channel.read(bb);
+ if (readLen < 0) {
+ break; // user may have specified more than we have available
+ }
+ effectiveLength -= readLen;
+ digest.update(digestBuf, 0, readLen);
+ }
+
+ if (hashValue == null) { // check if did any more iterations after the quick hash
+ hashValue = digest.digest();
+ }
+ } else {
+ hashValue = GenericUtils.EMPTY_BYTE_ARRAY;
+ }
+ }
+
+ if (traceEnabled) {
+ log.trace("doMD5Hash({})({}) offset={}, length={} - matches={}, quick={} hash={}",
+ getServerSession(), path, startOffset, length, hashMatches,
+ BufferUtils.toHex(':', quickCheckHash),
+ BufferUtils.toHex(':', hashValue));
+ }
+
+ return hashValue;
+ }
+
+ protected abstract void doCheckFileHash(
+ int id, String targetType, String target, Collection<String> algos,
+ long startOffset, long length, int blockSize, Buffer buffer)
+ throws Exception;
+
+ protected void doReadLink(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ String l;
+ try {
+ if (log.isDebugEnabled()) {
+ log.debug("doReadLink({})[id={}] SSH_FXP_READLINK path={}",
+ getServerSession(), id, path);
+ }
+ l = doReadLink(id, path);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_READLINK, path);
+ return;
+ }
+
+ sendLink(BufferUtils.clear(buffer), id, l);
+ }
+
+ protected String doReadLink(int id, String path) throws IOException {
+ Path f = resolveFile(path);
+ Path t = Files.readSymbolicLink(f);
+ if (log.isDebugEnabled()) {
+ log.debug("doReadLink({})[id={}] path={}[{}]: {}",
+ getServerSession(), id, path, f, t);
+ }
+ return t.toString();
+ }
+
+ protected void doRename(Buffer buffer, int id) throws IOException {
+ String oldPath = buffer.getString();
+ String newPath = buffer.getString();
+ int flags = 0;
+ int version = getVersion();
+ if (version >= SftpConstants.SFTP_V5) {
+ flags = buffer.getInt();
+ }
+ try {
+ doRename(id, oldPath, newPath, flags);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_RENAME, oldPath, newPath, flags);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected void doRename(int id, String oldPath, String newPath, int flags) throws IOException {
+ if (log.isDebugEnabled()) {
+ log.debug("doRename({})[id={}] SSH_FXP_RENAME (oldPath={}, newPath={}, flags=0x{})",
+ getServerSession(), id, oldPath, newPath, Integer.toHexString(flags));
+ }
+
+ Collection<CopyOption> opts = Collections.emptyList();
+ if (flags != 0) {
+ opts = new ArrayList<>();
+ if ((flags & SftpConstants.SSH_FXP_RENAME_ATOMIC) == SftpConstants.SSH_FXP_RENAME_ATOMIC) {
+ opts.add(StandardCopyOption.ATOMIC_MOVE);
+ }
+ if ((flags & SftpConstants.SSH_FXP_RENAME_OVERWRITE) == SftpConstants.SSH_FXP_RENAME_OVERWRITE) {
+ opts.add(StandardCopyOption.REPLACE_EXISTING);
+ }
+ }
+
+ doRename(id, oldPath, newPath, opts);
+ }
+
+ protected void doRename(int id, String oldPath, String newPath, Collection<CopyOption> opts) throws IOException {
+ Path o = resolveFile(oldPath);
+ Path n = resolveFile(newPath);
+ SftpEventListener listener = getSftpEventListenerProxy();
+ ServerSession session = getServerSession();
+
+ listener.moving(session, o, n, opts);
+ try {
+ Files.move(o, n, GenericUtils.isEmpty(opts) ? IoUtils.EMPTY_COPY_OPTIONS : opts.toArray(new CopyOption[opts.size()]));
+ } catch (IOException | RuntimeException e) {
+ listener.moved(session, o, n, opts, e);
+ throw e;
+ }
+ listener.moved(session, o, n, opts, null);
+ }
+
+ // see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-extensions-00#section-7
+ protected void doCopyData(Buffer buffer, int id) throws IOException {
+ String readHandle = buffer.getString();
+ long readOffset = buffer.getLong();
+ long readLength = buffer.getLong();
+ String writeHandle = buffer.getString();
+ long writeOffset = buffer.getLong();
+ try {
+ doCopyData(id, readHandle, readOffset, readLength, writeHandle, writeOffset);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e,
+ SftpConstants.SSH_FXP_EXTENDED, SftpConstants.EXT_COPY_DATA,
+ readHandle, readOffset, readLength, writeHandle, writeOffset);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected abstract void doCopyData(int id, String readHandle, long readOffset, long readLength, String writeHandle, long writeOffset) throws IOException;
+
+ // see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-extensions-00#section-6
+ protected void doCopyFile(Buffer buffer, int id) throws IOException {
+ String srcFile = buffer.getString();
+ String dstFile = buffer.getString();
+ boolean overwriteDestination = buffer.getBoolean();
+
+ try {
+ doCopyFile(id, srcFile, dstFile, overwriteDestination);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e,
+ SftpConstants.SSH_FXP_EXTENDED, SftpConstants.EXT_COPY_FILE, srcFile, dstFile, overwriteDestination);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected void doCopyFile(int id, String srcFile, String dstFile, boolean overwriteDestination) throws IOException {
+ if (log.isDebugEnabled()) {
+ log.debug("doCopyFile({})[id={}] SSH_FXP_EXTENDED[{}] (src={}, dst={}, overwrite=0x{})",
+ getServerSession(), id, SftpConstants.EXT_COPY_FILE,
+ srcFile, dstFile, overwriteDestination);
+ }
+
+ doCopyFile(id, srcFile, dstFile,
+ overwriteDestination
+ ? Collections.singletonList(StandardCopyOption.REPLACE_EXISTING)
+ : Collections.emptyList());
+ }
+
+ protected void doCopyFile(int id, String srcFile, String dstFile, Collection<CopyOption> opts) throws IOException {
+ Path src = resolveFile(srcFile);
+ Path dst = resolveFile(dstFile);
+ Files.copy(src, dst, GenericUtils.isEmpty(opts) ? IoUtils.EMPTY_COPY_OPTIONS : opts.toArray(new CopyOption[opts.size()]));
+ }
+
+ protected void doBlock(Buffer buffer, int id) throws IOException {
+ String handle = buffer.getString();
+ long offset = buffer.getLong();
+ long length = buffer.getLong();
+ int mask = buffer.getInt();
+
+ try {
+ doBlock(id, handle, offset, length, mask);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_BLOCK, handle, offset, length, mask);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected abstract void doBlock(int id, String handle, long offset, long length, int mask) throws IOException;
+
+ protected void doUnblock(Buffer buffer, int id) throws IOException {
+ String handle = buffer.getString();
+ long offset = buffer.getLong();
+ long length = buffer.getLong();
+ try {
+ doUnblock(id, handle, offset, length);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_UNBLOCK, handle, offset, length);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected abstract void doUnblock(int id, String handle, long offset, long length) throws IOException;
+
+ protected void doStat(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ int flags = SftpConstants.SSH_FILEXFER_ATTR_ALL;
+ int version = getVersion();
+ if (version >= SftpConstants.SFTP_V4) {
+ flags = buffer.getInt();
+ }
+
+ Map<String, Object> attrs;
+ try {
+ attrs = doStat(id, path, flags);
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_STAT, path, flags);
+ return;
+ }
+
+ sendAttrs(BufferUtils.clear(buffer), id, attrs);
+ }
+
+ protected Map<String, Object> doStat(int id, String path, int flags) throws IOException {
+ if (log.isDebugEnabled()) {
+ log.debug("doStat({})[id={}] SSH_FXP_STAT (path={}, flags=0x{})",
+ getServerSession(), id, path, Integer.toHexString(flags));
+ }
+
+ /*
+ * SSH_FXP_STAT and SSH_FXP_LSTAT only differ in that SSH_FXP_STAT
+ * follows symbolic links on the server, whereas SSH_FXP_LSTAT does not.
+ */
+ Path p = resolveFile(path);
+ return resolveFileAttributes(p, flags, IoUtils.getLinkOptions(true));
+ }
+
+ protected void doRealPath(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ boolean debugEnabled = log.isDebugEnabled();
+ if (debugEnabled) {
+ log.debug("doRealPath({})[id={}] SSH_FXP_REALPATH (path={})", getServerSession(), id, path);
+ }
+ path = GenericUtils.trimToEmpty(path);
+ if (GenericUtils.isEmpty(path)) {
+ path = ".";
+ }
+
+ Map<String, ?> attrs = Collections.emptyMap();
+ Map.Entry<Path, Boolean> result;
+ try {
+ int version = getVersion();
+ if (version < SftpConstants.SFTP_V6) {
+ /*
+ * See http://www.openssh.com/txt/draft-ietf-secsh-filexfer-02.txt:
+ *
+ * The SSH_FXP_REALPATH request can be used to have the server
+ * canonicalize any given path name to an absolute path.
+ *
+ * See also SSHD-294
+ */
+ Path p = resolveFile(path);
+ LinkOption[] options =
+ getPathResolutionLinkOption(SftpConstants.SSH_FXP_REALPATH, "", p);
+ result = doRealPathV345(id, path, p, options);
+ } else {
+ /*
+ * See https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.9
+ *
+ * This field is optional, and if it is not present in the packet, it
+ * is assumed to be SSH_FXP_REALPATH_NO_CHECK.
+ */
+ int control = SftpConstants.SSH_FXP_REALPATH_NO_CHECK;
+ if (buffer.available() > 0) {
+ control = buffer.getUByte();
+ if (debugEnabled) {
+ log.debug("doRealPath({}) - control=0x{} for path={}",
+ getServerSession(), Integer.toHexString(control), path);
+ }
+ }
+
+ Collection<String> extraPaths = new LinkedList<>();
+ while (buffer.available() > 0) {
+ extraPaths.add(buffer.getString());
+ }
+
+ Path p = resolveFile(path);
+ LinkOption[] options =
+ getPathResolutionLinkOption(SftpConstants.SSH_FXP_REALPATH, "", p);
+ result = doRealPathV6(id, path, extraPaths, p, options);
+
+ p = result.getKey();
+ options = getPathResolutionLinkOption(SftpConstants.SSH_FXP_REALPATH, "", p);
+ Boolean status = result.getValue();
+ switch (control) {
+ case SftpConstants.SSH_FXP_REALPATH_STAT_IF:
+ if (status == null) {
+ attrs = handleUnknownStatusFileAttributes(p, SftpConstants.SSH_FILEXFER_ATTR_ALL, options);
+ } else if (status) {
+ try {
+ attrs = getAttributes(p, options);
+ } catch (IOException e) {
+ if (debugEnabled) {
+ log.debug("doRealPath({}) - failed ({}) to retrieve attributes of {}: {}",
+ getServerSession(), e.getClass().getSimpleName(), p, e.getMessage());
+ }
+ if (log.isTraceEnabled()) {
+ log.trace("doRealPath(" + getServerSession() + ")[" + p + "] attributes retrieval failure details", e);
+ }
+ }
+ } else {
+ if (debugEnabled) {
+ log.debug("doRealPath({}) - dummy attributes for non-existing file: {}", getServerSession(), p);
+ }
+ }
+ break;
+ case SftpConstants.SSH_FXP_REALPATH_STAT_ALWAYS:
+ if (status == null) {
+ attrs = handleUnknownStatusFileAttributes(p, SftpConstants.SSH_FILEXFER_ATTR_ALL, options);
+ } else if (status) {
+ attrs = getAttributes(p, options);
+ } else {
+ throw new NoSuchFileException(p.toString(), p.toString(), "Real path N/A for target");
+ }
+ break;
+ case SftpConstants.SSH_FXP_REALPATH_NO_CHECK:
+ break;
+ default:
+ log.warn("doRealPath({}) unknown control value 0x{} for path={}",
+ getServerSession(), Integer.toHexString(control), p);
+ }
+ }
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_REALPATH, path);
+ return;
+ }
+
+ sendPath(BufferUtils.clear(buffer), id, result.getKey(), attrs);
+ }
+
+ protected SimpleImmutableEntry<Path, Boolean> doRealPathV6(
+ int id, String path, Collection<String> extraPaths, Path p, LinkOption... options) throws IOException {
+ int numExtra = GenericUtils.size(extraPaths);
+ if (numExtra > 0) {
+ if (log.isDebugEnabled()) {
+ log.debug("doRealPathV6({})[id={}] path={}, extra={}",
+ getServerSession(), id, path, extraPaths);
+ }
+ StringBuilder sb = new StringBuilder(GenericUtils.length(path) + numExtra * 8);
+ sb.append(path);
+
+ for (String p2 : extraPaths) {
+ p = p.resolve(p2);
+ options = getPathResolutionLinkOption(SftpConstants.SSH_FXP_REALPATH, "", p);
+ sb.append('/').append(p2);
+ }
+
+ path = sb.toString();
+ }
+
+ return validateRealPath(id, path, p, options);
+ }
+
+ protected SimpleImmutableEntry<Path, Boolean> doRealPathV345(int id, String path, Path p, LinkOption... options) throws IOException {
+ return validateRealPath(id, path, p, options);
+ }
+
+ /**
+ * @param id The request identifier
+ * @param path The original path
+ * @param f The resolve {@link Path}
+ * @param options The {@link LinkOption}s to use to verify file existence and access
+ * @return A {@link SimpleImmutableEntry} whose key is the <U>absolute <B>normalized</B></U>
+ * {@link Path} and value is a {@link Boolean} indicating its status
+ * @throws IOException If failed to validate the file
+ * @see IoUtils#checkFileExists(Path, LinkOption...)
+ */
+ protected SimpleImmutableEntry<Path, Boolean> validateRealPath(int id, String path, Path f, LinkOption... options) throws IOException {
+ Path p = normalize(f);
+ Boolean status = IoUtils.checkFileExists(p, options);
+ return new SimpleImmutableEntry<>(p, status);
+ }
+
+ protected void doRemoveDirectory(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ try {
+ doRemoveDirectory(id, path, IoUtils.getLinkOptions(false));
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_RMDIR, path);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected void doRemoveDirectory(int id, String path, LinkOption... options) throws IOException {
+ Path p = resolveFile(path);
+ if (log.isDebugEnabled()) {
+ log.debug("doRemoveDirectory({})[id={}] SSH_FXP_RMDIR (path={})[{}]",
+ getServerSession(), id, path, p);
+ }
+ if (Files.isDirectory(p, options)) {
+ doRemove(id, p);
+ } else {
+ throw new NotDirectoryException(p.toString());
+ }
+ }
+
+ /**
+ * Called when need to delete a file / directory - also informs the {@link SftpEventListener}
+ *
+ * @param id Deletion request ID
+ * @param p {@link Path} to delete
+ * @throws IOException If failed to delete
+ */
+ protected void doRemove(int id, Path p) throws IOException {
+ SftpEventListener listener = getSftpEventListenerProxy();
+ ServerSession session = getServerSession();
+ listener.removing(session, p);
+ try {
+ Files.delete(p);
+ } catch (IOException | RuntimeException e) {
+ listener.removed(session, p, e);
+ throw e;
+ }
+ listener.removed(session, p, null);
+ }
+
+ protected void doMakeDirectory(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ Map<String, ?> attrs = readAttrs(buffer);
+ try {
+ doMakeDirectory(id, path, attrs, IoUtils.getLinkOptions(false));
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_MKDIR, path, attrs);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected void doMakeDirectory(int id, String path, Map<String, ?> attrs, LinkOption... options) throws IOException {
+ Path p = resolveFile(path);
+ if (log.isDebugEnabled()) {
+ log.debug("doMakeDirectory({})[id={}] SSH_FXP_MKDIR (path={}[{}], attrs={})",
+ getServerSession(), id, path, p, attrs);
+ }
+
+ Boolean status = IoUtils.checkFileExists(p, options);
+ if (status == null) {
+ throw new AccessDeniedException(p.toString(), p.toString(), "Cannot validate make-directory existence");
+ }
+
+ if (status) {
+ if (Files.isDirectory(p, options)) {
+ throw new FileAlreadyExistsException(p.toString(), p.toString(), "Target directory already exists");
+ } else {
+ throw new FileAlreadyExistsException(p.toString(), p.toString(), "Already exists as a file");
+ }
+ } else {
+ SftpEventListener listener = getSftpEventListenerProxy();
+ ServerSession session = getServerSession();
+ listener.creating(session, p, attrs);
+ try {
+ Files.createDirectory(p);
+ doSetAttributes(p, attrs);
+ } catch (IOException | RuntimeException e) {
+ listener.created(session, p, attrs, e);
+ throw e;
+ }
+ listener.created(session, p, attrs, null);
+ }
+ }
+
+ protected void doRemove(Buffer buffer, int id) throws IOException {
+ String path = buffer.getString();
+ try {
+ /*
+ * If 'filename' is a symbolic link, the link is removed,
+ * not the file it points to.
+ */
+ doRemove(id, path, IoUtils.getLinkOptions(false));
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_REMOVE, path);
+ return;
+ }
+
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ }
+
+ protected void doRemove(int id, String path, LinkOption... options) throws IOException {
+ Path p = resolveFile(path);
+ if (log.isDebugEnabled()) {
+ log.debug("doRemove({})[id={}] SSH_FXP_REMOVE (path={}[{}])",
+ getServerSession(), id, path, p);
+ }
+
+ Boolean status = IoUtils.checkFileExists(p, options);
+ if (status == null) {
+ throw new AccessDeniedException(p.toString(), p.toString(), "Cannot determine existence of remove candidate");
+ }
+ if (!status) {
+ throw new NoSuchFileException(p.toString(), p.toString(), "Removal candidate not found");
+ } else if (Files.isDirectory(p, options)) {
+ throw new SftpException(SftpConstants.SSH_FX_FILE_IS_A_DIRECTORY, p.toString() + " is a folder");
+ } else {
+ doRemove(id, p);
+ }
+ }
+
+ protected void doExtended(Buffer buffer, int id) throws IOException {
+ executeExtendedCommand(buffer, id, buffer.getString());
+ }
+
+ /**
+ * @param buffer The command {@link Buffer}
+ * @param id The request id
+ * @param extension The extension name
+ * @throws IOException If failed to execute the extension
+ */
+ protected abstract void executeExtendedCommand(Buffer buffer, int id, String extension) throws IOException;
+
+ protected void appendExtensions(Buffer buffer, String supportedVersions) {
+ appendVersionsExtension(buffer, supportedVersions);
+ appendNewlineExtension(buffer, resolveNewlineValue(getServerSession()));
+ appendVendorIdExtension(buffer, VersionProperties.getVersionProperties());
+ appendOpenSSHExtensions(buffer);
+ appendAclSupportedExtension(buffer);
+
+ Map<String, OptionalFeature> extensions = getSupportedClientExtensions();
+ int numExtensions = GenericUtils.size(extensions);
+ List<String> extras = (numExtensions <= 0) ? Collections.emptyList() : new ArrayList<>(numExtensions);
+ if (numExtensions > 0) {
+ ServerSession session = getServerSession();
+ boolean debugEnabled = log.isDebugEnabled();
+ extensions.forEach((name, f) -> {
+ if (!f.isSupported()) {
+ if (debugEnabled) {
+ log.debug("appendExtensions({}) skip unsupported extension={}", session, name);
+ }
+ return;
+ }
+
+ extras.add(name);
+ });
+ }
+ appendSupportedExtension(buffer, extras);
+ appendSupported2Extension(buffer, extras);
+ }
+
+ protected int appendAclSupportedExtension(Buffer buffer) {
+ ServerSession session = getServerSession();
+ Collection<Integer> maskValues = resolveAclSupportedCapabilities(session);
+ int mask = AclSupportedParser.AclCapabilities.constructAclCapabilities(maskValues);
+ if (mask != 0) {
+ if (log.isTraceEnabled()) {
+ log.trace("appendAclSupportedExtension({}) capabilities={}",
+ session, AclSupportedParser.AclCapabilities.decodeAclCapabilities(mask));
+ }
+
+ buffer.putString(SftpConstants.EXT_ACL_SUPPORTED);
+
+ // placeholder for length
+ int lenPos = buffer.wpos();
+ buffer.putInt(0);
+ buffer.putInt(mask);
+ BufferUtils.updateLengthPlaceholder(buffer, lenPos);
+ }
+
+ return mask;
+ }
+
+ protected Collection<Integer> resolveAclSupportedCapabilities(ServerSession session) {
+ String override = session.getString(ACL_SUPPORTED_MASK_PROP);
+ if (override == null) {
+ return DEFAULT_ACL_SUPPORTED_MASK;
+ }
+
+ // empty means not supported
+ if (log.isDebugEnabled()) {
+ log.debug("resolveAclSupportedCapabilities({}) override='{}'", session, override);
+ }
+
+ if (override.length() == 0) {
+ return Collections.emptySet();
+ }
+
+ String[] names = GenericUtils.split(override, ',');
+ Set<Integer> maskValues = new HashSet<>(names.length);
+ for (String n : names) {
+ Integer v = ValidateUtils.checkNotNull(
+ AclSupportedParser.AclCapabilities.getAclCapabilityValue(n), "Unknown ACL capability: %s", n);
+ maskValues.add(v);
+ }
+
+ return maskValues;
+ }
+
+ protected List<OpenSSHExtension> appendOpenSSHExtensions(Buffer buffer) {
+ List<OpenSSHExtension> extList = resolveOpenSSHExtensions(getServerSession());
+ if (GenericUtils.isEmpty(extList)) {
+ return extList;
+ }
+
+ for (OpenSSHExtension ext : extList) {
+ buffer.putString(ext.getName());
+ buffer.putString(ext.getVersion());
+ }
+
+ return extList;
+ }
+
+ protected List<OpenSSHExtension> resolveOpenSSHExtensions(ServerSession session) {
+ String value = session.getString(OPENSSH_EXTENSIONS_PROP);
+ if (value == null) { // No override
+ return DEFAULT_OPEN_SSH_EXTENSIONS;
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("resolveOpenSSHExtensions({}) override='{}'", session, value);
+ }
+
+ String[] pairs = GenericUtils.split(value, ',');
+ int numExts = GenericUtils.length(pairs);
+ if (numExts <= 0) { // User does not want to report ANY extensions
+ return Collections.emptyList();
+ }
+
+ List<OpenSSHExtension> extList = new ArrayList<>(numExts);
+ for (String nvp : pairs) {
+ nvp = GenericUtils.trimToEmpty(nvp);
+ if (GenericUtils.isEmpty(nvp)) {
+ continue;
+ }
+
+ int pos = nvp.indexOf('=');
+ ValidateUtils.checkTrue((pos > 0) && (pos < (nvp.length() - 1)), "Malformed OpenSSH extension spec: %s", nvp);
+ String name = GenericUtils.trimToEmpty(nvp.substring(0, pos));
+ String version = GenericUtils.trimToEmpty(nvp.substring(pos + 1));
+ extList.add(new OpenSSHExtension(name, ValidateUtils.checkNotNullAndNotEmpty(version, "No version specified for OpenSSH extension %s", name)));
+ }
+
+ return extList;
+ }
+
+ protected Map<String, OptionalFeature> getSupportedClientExtensions() {
+ ServerSession session = getServerSession();
+ String value = session.getString(CLIENT_EXTENSIONS_PROP);
+ if (value == null) {
+ return DEFAULT_SUPPORTED_CLIENT_EXTENSIONS;
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("getSupportedClientExtensions({}) override='{}'", session, value);
+ }
+
+ if (value.length() <= 0) { // means don't report any extensions
+ return Collections.emptyMap();
+ }
+
+ if (value.indexOf(',') <= 0) {
+ return Collections.singletonMap(value, OptionalFeature.TRUE);
+ }
+
+ String[] comps = GenericUtils.split(value, ',');
+ Map<String, OptionalFeature> result = new LinkedHashMap<>(comps.length);
+ for (String c : comps) {
+ result.put(c, OptionalFeature.TRUE);
+ }
+
+ return result;
+ }
+
+ /**
+ * Appends the "versions" extension to the buffer. <B>Note:</B>
+ * if overriding this method make sure you either do not append anything
+ * or use the correct extension name
+ *
+ * @param buffer The {@link Buffer} to append to
+ * @param value The recommended value - ignored if {@code null}/empty
+ * @see SftpConstants#EXT_VERSIONS
+ */
+ protected void appendVersionsExtension(Buffer buffer, String value) {
+ if (GenericUtils.isEmpty(value)) {
+ return;
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("appendVersionsExtension({}) value={}", getServerSession(), value);
+ }
+
+ buffer.putString(SftpConstants.EXT_VERSIONS);
+ buffer.putString(value);
+ }
+
+ /**
+ * Appends the "newline" extension to the buffer. <B>Note:</B>
+ * if overriding this method make sure you either do not append anything
+ * or use the correct extension name
+ *
+ * @param buffer The {@link Buffer} to append to
+ * @param value The recommended value - ignored if {@code null}/empty
+ * @see SftpConstants#EXT_NEWLINE
+ */
+ protected void appendNewlineExtension(Buffer buffer, String value) {
+ if (GenericUtils.isEmpty(value)) {
+ return;
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("appendNewlineExtension({}) value={}",
+ getServerSession(), BufferUtils.toHex(':', value.getBytes(StandardCharsets.UTF_8)));
+ }
+
+ buffer.putString(SftpConstants.EXT_NEWLINE);
+ buffer.putString(value);
+ }
+
+ protected String resolveNewlineValue(ServerSession session) {
+ String value = session.getString(NEWLINE_VALUE);
+ if (value == null) {
+ return IoUtils.EOL;
+ } else {
+ return value; // empty means disabled
+ }
+ }
+
+ /**
+ * Appends the "vendor-id" extension to the buffer. <B>Note:</B>
+ * if overriding this method make sure you either do not append anything
+ * or use the correct extension name
+ *
+ * @param buffer The {@link Buffer} to append to
+ * @param versionProperties The currently available version properties - ignored
+ * if {@code null}/empty. The code expects the following values:
+ * <UL>
+ * <LI>{@code groupId} - as the vendor name</LI>
+ * <LI>{@code artifactId} - as the product name</LI>
+ * <LI>{@code version} - as the product version</LI>
+ * </UL>
+ * @see SftpConstants#EXT_VENDOR_ID
+ * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 4.4</A>
+ */
+ protected void appendVendorIdExtension(Buffer buffer, Map<String, ?> versionProperties) {
+ if (GenericUtils.isEmpty(versionProperties)) {
+ return;
+ }
+
+ if (log.isDebugEnabled()) {
+ log.debug("appendVendorIdExtension({}): {}", getServerSession(), versionProperties);
+ }
+ buffer.putString(SftpConstants.EXT_VENDOR_ID);
+
+ PropertyResolver resolver = PropertyResolverUtils.toPropertyResolver(Collections.unmodifiableMap(versionProperties));
+ // placeholder for length
+ int lenPos = buffer.wpos();
+ buffer.putInt(0);
+ buffer.putString(resolver.getStringProperty("groupId", getClass().getPackage().getName())); // vendor-name
+ buffer.putString(resolver.getStringProperty("artifactId", getClass().getSimpleName())); // product-name
+ buffer.putString(resolver.getStringProperty("version", FactoryManager.DEFAULT_VERSION)); // product-version
+ buffer.putLong(0L); // product-build-number
+ BufferUtils.updateLengthPlaceholder(buffer, lenPos);
+ }
+
+ /**
+ * Appends the "supported" extension to the buffer. <B>Note:</B>
+ * if overriding this method make sure you either do not append anything
+ * or use the correct extension name
+ *
+ * @param buffer The {@link Buffer} to append to
+ * @param extras The extra extensions that are available and can be reported
+ * - may be {@code null}/empty
+ */
+ protected void appendSupportedExtension(Buffer buffer, Collection<String> extras) {
+ buffer.putString(SftpConstants.EXT_SUPPORTED);
+
+ int lenPos = buffer.wpos();
+ buffer.putInt(0); // length placeholder
+ // supported-attribute-mask
+ buffer.putInt(SftpConstants.SSH_FILEXFER_ATTR_SIZE | SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS
+ | SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME | SftpConstants.SSH_FILEXFER_ATTR_CREATETIME
+ | SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME | SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP
+ | SftpConstants.SSH_FILEXFER_ATTR_BITS);
+ // TODO: supported-attribute-bits
+ buffer.putInt(0);
+ // supported-open-flags
+ buffer.putInt(SftpConstants.SSH_FXF_READ | SftpConstants.SSH_FXF_WRITE | SftpConstants.SSH_FXF_APPEND
+ | SftpConstants.SSH_FXF_CREAT | SftpConstants.SSH_FXF_TRUNC | SftpConstants.SSH_FXF_EXCL);
+ // TODO: supported-access-mask
+ buffer.putInt(0);
+ // max-read-size
+ buffer.putInt(0);
+ // supported extensions
+ buffer.putStringList(extras, false);
+
+ BufferUtils.updateLengthPlaceholder(buffer, lenPos);
+ }
+
+ /**
+ * Appends the "supported2" extension to the buffer. <B>Note:</B>
+ * if overriding this method make sure you either do not append anything
+ * or use the correct extension name
+ *
+ * @param buffer The {@link Buffer} to append to
+ * @param extras The extra extensions that are available and can be reported
+ * - may be {@code null}/empty
+ * @see SftpConstants#EXT_SUPPORTED
+ * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-10">DRAFT 13 section 5.4</A>
+ */
+ protected void appendSupported2Extension(Buffer buffer, Collection<String> extras) {
+ buffer.putString(SftpConstants.EXT_SUPPORTED2);
+
+ int lenPos = buffer.wpos();
+ buffer.putInt(0); // length placeholder
+ // supported-attribute-mask
+ buffer.putInt(SftpConstants.SSH_FILEXFER_ATTR_SIZE | SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS
+ | SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME | SftpConstants.SSH_FILEXFER_ATTR_CREATETIME
+ | SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME | SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP
+ | SftpConstants.SSH_FILEXFER_ATTR_BITS);
+ // TODO: supported-attribute-bits
+ buffer.putInt(0);
+ // supported-open-flags
+ buffer.putInt(SftpConstants.SSH_FXF_ACCESS_DISPOSITION | SftpConstants.SSH_FXF_APPEND_DATA);
+ // TODO: supported-access-mask
+ buffer.putInt(0);
+ // max-read-size
+ buffer.putInt(0);
+ // supported-open-block-vector
+ buffer.putShort(0);
+ // supported-block-vector
+ buffer.putShort(0);
+ // attrib-extension-count + attributes name
+ buffer.putStringList(Collections.<String>emptyList(), true);
+ // extension-count + supported extensions
+ buffer.putStringList(extras, true);
+
+ BufferUtils.updateLengthPlaceholder(buffer, lenPos);
+ }
+
+ protected void sendHandle(Buffer buffer, int id, String handle) throws IOException {
+ buffer.putByte((byte) SftpConstants.SSH_FXP_HANDLE);
+ buffer.putInt(id);
+ buffer.putString(handle);
+ send(buffer);
+ }
+
+ protected void sendAttrs(Buffer buffer, int id, Map<String, ?> attributes) throws IOException {
+ buffer.putByte((byte) SftpConstants.SSH_FXP_ATTRS);
+ buffer.putInt(id);
+ writeAttrs(buffer, attributes);
+ send(buffer);
+ }
+
+ protected void sendLink(Buffer buffer, int id, String link) throws IOException {
+ //in case we are running on Windows
+ String unixPath = link.replace(File.separatorChar, '/');
+
+ buffer.putByte((byte) SftpConstants.SSH_FXP_NAME);
+ buffer.putInt(id);
+ buffer.putInt(1); // one response
+ buffer.putString(unixPath);
+
+ /*
+ * As per the spec (https://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#section-6.10):
+ *
+ * The server will respond with a SSH_FXP_NAME packet containing only
+ * one name and a dummy attributes value.
+ */
+ Map<String, Object> attrs = Collections.emptyMap();
+ int version = getVersion();
+ if (version == SftpConstants.SFTP_V3) {
+ buffer.putString(SftpHelper.getLongName(unixPath, attrs));
+ }
+
+ writeAttrs(buffer, attrs);
+ SftpHelper.indicateEndOfNamesList(buffer, getVersion(), getServerSession());
+ send(buffer);
+ }
+
+ protected void sendPath(Buffer buffer, int id, Path f, Map<String, ?> attrs) throws IOException {
+ buffer.putByte((byte) SftpConstants.SSH_FXP_NAME);
+ buffer.putInt(id);
+ buffer.putInt(1); // one reply
+
+ String originalPath = f.toString();
+ //in case we are running on Windows
+ String unixPath = originalPath.replace(File.separatorChar, '/');
+ buffer.putString(unixPath);
+
+ int version = getVersion();
+ if (version == SftpConstants.SFTP_V3) {
+ buffer.putString(getLongName(f, getShortName(f), attrs));
+ }
+
+ writeAttrs(buffer, attrs);
+ SftpHelper.indicateEndOfNamesList(buffer, getVersion(), getServerSession());
+ send(buffer);
+ }
+
+ /**
+ * @param id Request id
+ * @param handle The (opaque) handle assigned to this directory
+ * @param dir The {@link DirectoryHandle}
+ * @param buffer The {@link Buffer} to write the results
+ * @param maxSize Max. buffer size
+ * @param options The {@link LinkOption}-s to use when querying the directory contents
+ * @return Number of written entries
+ * @throws IOException If failed to generate an entry
+ */
+ protected int doReadDir(
+ int id, String handle, DirectoryHandle dir, Buffer buffer, int maxSize, LinkOption... options) throws IOException {
+ int nb = 0;
+ Map<String, Path> entries = new TreeMap<>(Comparator.naturalOrder());
+ while ((dir.isSendDot() || dir.isSendDotDot() || dir.hasNext()) && (buffer.wpos() < maxSize)) {
+ if (dir.isSendDot()) {
+ writeDirEntry(id, dir, entries, buffer, nb, dir.getFile(), ".", options);
+ dir.markDotSent(); // do not send it again
+ } else if (dir.isSendDotDot()) {
+ Path dirPath = dir.getFile();
+ writeDirEntry(id, dir, entries, buffer, nb, dirPath.getParent(), "..", options);
+ dir.markDotDotSent(); // do not send it again
+ } else {
+ Path f = dir.next();
+ writeDirEntry(id, dir, entries, buffer, nb, f, getShortName(f), options);
+ }
+
+ nb++;
+ }
+
+ SftpEventListener listener = getSftpEventListenerProxy();
+ listener.read(getServerSession(), handle, dir, entries);
+ return nb;
+ }
+
+ /**
+ * @param id Request id
+ * @param dir The {@link DirectoryHandle}
+ * @param entries An in / out {@link Map} for updating the written entry -
+ * key = short name, value = entry {@link Path}
+ * @param buffer The {@link Buffer} to write the results
+ * @param index Zero-based index of the entry to be written
+ * @param f The entry {@link Path}
+ * @param shortName The entry short name
+ * @param options The {@link LinkOption}s to use for querying the entry-s attributes
+ * @throws IOException If failed to generate the entry data
+ */
+ protected void writeDirEntry(
+ int id, DirectoryHandle dir, Map<String, Path> entries, Buffer buffer, int index, Path f, String shortName, LinkOption... options)
+ throws IOException {
+ Map<String, ?> attrs = resolveFileAttributes(f, SftpConstants.SSH_FILEXFER_ATTR_ALL, options);
+ entries.put(shortName, f);
+
+ buffer.putString(shortName);
+ int version = getVersion();
+ if (version == SftpConstants.SFTP_V3) {
+ String longName = getLongName(f, shortName, options);
+ buffer.putString(longName);
+ if (log.isTraceEnabled()) {
+ log.trace("writeDirEntry(" + getServerSession() + ") id=" + id + ")[" + index + "] - "
+ + shortName + " [" + longName + "]: " + attrs);
+ }
+ } else {
+ if (log.isTraceEnabled()) {
+ log.trace("writeDirEntry(" + getServerSession() + "(id=" + id + ")[" + index + "] - "
+ + shortName + ": " + attrs);
+ }
+ }
+
+ writeAttrs(buffer, attrs);
+ }
+
+ protected String getLongName(Path f, String shortName, LinkOption... options) throws IOException {
+ return getLongName(f, shortName, true, options);
+ }
+
+ protected String getLongName(Path f, String shortName, boolean sendAttrs, LinkOption... options) throws IOException {
+ Map<String, Object> attributes;
+ if (sendAttrs) {
+ attributes = getAttributes(f, options);
+ } else {
+ attributes = Collections.emptyMap();
+ }
+ return getLongName(f, shortName, attributes);
+ }
+
+ protected String getLongName(Path f, String shortName, Map<String, ?> attributes) throws IOException {
+ return SftpHelper.getLongName(shortName, attributes);
+ }
+
+ protected String getShortName(Path f) throws IOException {
+ Path nrm = normalize(f);
+ int count = nrm.getNameCount();
+ /*
+ * According to the javadoc:
+ *
+ * The number of elements in the path, or 0 if this path only
+ * represents a root component
+ */
+ if (OsUtils.isUNIX()) {
+ Path name = f.getFileName();
+ if (name == null) {
+ Path p = resolveFile(".");
+ name = p.getFileName();
+ }
+
+ if (name == null) {
+ if (count > 0) {
+ name = nrm.getFileName();
+ }
+ }
+
+ if (name != null) {
+ return name.toString();
+ } else {
+ return nrm.toString();
+ }
+ } else { // need special handling for Windows root drives
+ if (count > 0) {
+ Path name = nrm.getFileName();
+ return name.toString();
+ } else {
+ return nrm.toString().replace(File.separatorChar, '/');
+ }
+ }
+ }
+
+ protected NavigableMap<String, Object> resolveFileAttributes(Path file, int flags, LinkOption... options) throws IOException {
+ Boolean status = IoUtils.checkFileExists(file, options);
+ if (status == null) {
+ return handleUnknownStatusFileAttributes(file, flags, options);
+ } else if (!status) {
+ throw new NoSuchFileException(file.toString(), file.toString(), "Attributes N/A for target");
+ } else {
+ return getAttributes(file, flags, options);
+ }
+ }
+
+ protected void writeAttrs(Buffer buffer, Map<String, ?> attributes) throws IOException {
+ SftpHelper.writeAttrs(buffer, getVersion(), attributes);
+ }
+
+ protected NavigableMap<String, Object> getAttributes(Path file, LinkOption... options) throws IOException {
+ return getAttributes(file, SftpConstants.SSH_FILEXFER_ATTR_ALL, options);
+ }
+
+ protected NavigableMap<String, Object> handleUnknownStatusFileAttributes(Path file, int flags, LinkOption... options) throws IOException {
+ UnsupportedAttributePolicy unsupportedAttributePolicy = getUnsupportedAttributePolicy();
+ switch (unsupportedAttributePolicy) {
+ case Ignore:
+ break;
+ case ThrowException:
+ throw new AccessDeniedException(file.toString(), file.toString(), "Cannot determine existence for attributes of target");
+ case Warn:
+ log.warn("handleUnknownStatusFileAttributes(" + getServerSession() + ")[" + file + "] cannot determine existence");
+ break;
+ default:
+ log.warn("handleUnknownStatusFileAttributes(" + getServerSession() + ")[" + file + "] unknown policy: " + unsupportedAttributePolicy);
+ }
+
+ return getAttributes(file, flags, options);
+ }
+
+ /**
+ * @param file The {@link Path} location for the required attributes
+ * @param flags A mask of the original required attributes - ignored by the
+ * default implementation
+ * @param options The {@link LinkOption}s to use in order to access the file
+ * if necessary
+ * @return A {@link Map} of the retrieved attributes
+ * @throws IOException If failed to access the file
+ * @see #resolveMissingFileAttributes(Path, int, Map, LinkOption...)
+ */
+ protected NavigableMap<String, Object> getAttributes(Path file, int flags, LinkOption... options) throws IOException {
+ FileSystem fs = file.getFileSystem();
+ Collection<String> supportedViews = fs.supportedFileAttributeViews();
+ NavigableMap<String, Object> attrs = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ Collection<String> views;
+
+ if (GenericUtils.isEmpty(supportedViews)) {
+ views = Collections.emptyList();
+ } else if (supportedViews.contains("unix")) {
+ view
<TRUNCATED>
[07/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultGroupPrincipal.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultGroupPrincipal.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultGroupPrincipal.java
new file mode 100644
index 0000000..acf3118
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultGroupPrincipal.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.nio.file.attribute.GroupPrincipal;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class DefaultGroupPrincipal extends PrincipalBase implements GroupPrincipal {
+
+ public DefaultGroupPrincipal(String name) {
+ super(name);
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultUserPrincipal.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultUserPrincipal.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultUserPrincipal.java
new file mode 100644
index 0000000..d71d772
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DefaultUserPrincipal.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.nio.file.attribute.UserPrincipal;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class DefaultUserPrincipal extends PrincipalBase implements UserPrincipal {
+
+ public DefaultUserPrincipal(String name) {
+ super(name);
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DirectoryHandle.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DirectoryHandle.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DirectoryHandle.java
new file mode 100644
index 0000000..0ae60cf
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/DirectoryHandle.java
@@ -0,0 +1,109 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Path;
+import java.util.Iterator;
+
+import org.apache.sshd.server.session.ServerSession;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class DirectoryHandle extends Handle implements Iterator<Path> {
+
+ private boolean done;
+ private boolean sendDotDot = true;
+ private boolean sendDot = true;
+ // the directory should be read once at "open directory"
+ private DirectoryStream<Path> ds;
+ private Iterator<Path> fileList;
+
+ public DirectoryHandle(SftpSubsystem subsystem, Path dir, String handle) throws IOException {
+ super(dir, handle);
+ signalHandleOpening(subsystem);
+
+ SftpFileSystemAccessor accessor = subsystem.getFileSystemAccessor();
+ ServerSession session = subsystem.getServerSession();
+ ds = accessor.openDirectory(session, subsystem, dir, handle);
+
+ Path parent = dir.getParent();
+ if (parent == null) {
+ sendDotDot = false; // if no parent then no need to send ".."
+ }
+ fileList = ds.iterator();
+
+ try {
+ signalHandleOpen(subsystem);
+ } catch (IOException e) {
+ close();
+ throw e;
+ }
+ }
+
+ public boolean isDone() {
+ return done;
+ }
+
+ public void markDone() {
+ this.done = true;
+ // allow the garbage collector to do the job
+ this.fileList = null;
+ }
+
+ public boolean isSendDot() {
+ return sendDot;
+ }
+
+ public void markDotSent() {
+ sendDot = false;
+ }
+
+ public boolean isSendDotDot() {
+ return sendDotDot;
+ }
+
+ public void markDotDotSent() {
+ sendDotDot = false;
+ }
+
+ @Override
+ public boolean hasNext() {
+ return fileList.hasNext();
+ }
+
+ @Override
+ public Path next() {
+ return fileList.next();
+ }
+
+ @Override
+ public void remove() {
+ throw new UnsupportedOperationException("Not allowed to remove " + toString());
+ }
+
+ @Override
+ public void close() throws IOException {
+ super.close();
+ markDone(); // just making sure
+ ds.close();
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/FileHandle.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/FileHandle.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/FileHandle.java
new file mode 100644
index 0000000..b499524
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/FileHandle.java
@@ -0,0 +1,270 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileLock;
+import java.nio.channels.SeekableByteChannel;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
+import java.nio.file.attribute.FileAttribute;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpException;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.server.session.ServerSession;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class FileHandle extends Handle {
+ private final int access;
+ private final SeekableByteChannel fileChannel;
+ private final List<FileLock> locks = new ArrayList<>();
+ private final SftpSubsystem subsystem;
+ private final Set<StandardOpenOption> openOptions;
+ private final Collection<FileAttribute<?>> fileAttributes;
+
+ public FileHandle(SftpSubsystem subsystem, Path file, String handle, int flags, int access, Map<String, Object> attrs) throws IOException {
+ super(file, handle);
+ this.subsystem = Objects.requireNonNull(subsystem, "No subsystem instance provided");
+ this.access = access;
+ this.openOptions = Collections.unmodifiableSet(getOpenOptions(flags, access));
+ this.fileAttributes = Collections.unmodifiableCollection(toFileAttributes(attrs));
+ signalHandleOpening(subsystem);
+
+ FileAttribute<?>[] fileAttrs = GenericUtils.isEmpty(fileAttributes)
+ ? IoUtils.EMPTY_FILE_ATTRIBUTES
+ : fileAttributes.toArray(new FileAttribute<?>[fileAttributes.size()]);
+ SftpFileSystemAccessor accessor = subsystem.getFileSystemAccessor();
+ ServerSession session = subsystem.getServerSession();
+ SeekableByteChannel channel;
+ try {
+ channel = accessor.openFile(session, subsystem, file, handle, openOptions, fileAttrs);
+ } catch (UnsupportedOperationException e) {
+ channel = accessor.openFile(session, subsystem, file, handle, openOptions, IoUtils.EMPTY_FILE_ATTRIBUTES);
+ subsystem.doSetAttributes(file, attrs);
+ }
+ this.fileChannel = channel;
+
+ try {
+ signalHandleOpen(subsystem);
+ } catch (IOException e) {
+ close();
+ throw e;
+ }
+ }
+
+ public final Set<StandardOpenOption> getOpenOptions() {
+ return openOptions;
+ }
+
+ public final Collection<FileAttribute<?>> getFileAttributes() {
+ return fileAttributes;
+ }
+
+ public final SeekableByteChannel getFileChannel() {
+ return fileChannel;
+ }
+
+ public int getAccessMask() {
+ return access;
+ }
+
+ public boolean isOpenAppend() {
+ return SftpConstants.ACE4_APPEND_DATA == (getAccessMask() & SftpConstants.ACE4_APPEND_DATA);
+ }
+
+ public int read(byte[] data, long offset) throws IOException {
+ return read(data, 0, data.length, offset);
+ }
+
+ public int read(byte[] data, int doff, int length, long offset) throws IOException {
+ SeekableByteChannel channel = getFileChannel();
+ channel = channel.position(offset);
+ return channel.read(ByteBuffer.wrap(data, doff, length));
+ }
+
+ public void append(byte[] data) throws IOException {
+ append(data, 0, data.length);
+ }
+
+ public void append(byte[] data, int doff, int length) throws IOException {
+ SeekableByteChannel channel = getFileChannel();
+ write(data, doff, length, channel.size());
+ }
+
+ public void write(byte[] data, long offset) throws IOException {
+ write(data, 0, data.length, offset);
+ }
+
+ public void write(byte[] data, int doff, int length, long offset) throws IOException {
+ SeekableByteChannel channel = getFileChannel();
+ channel = channel.position(offset);
+ channel.write(ByteBuffer.wrap(data, doff, length));
+ }
+
+ @Override
+ public void close() throws IOException {
+ super.close();
+
+ SeekableByteChannel channel = getFileChannel();
+ if (channel.isOpen()) {
+ channel.close();
+ }
+ }
+
+ public void lock(long offset, long length, int mask) throws IOException {
+ SeekableByteChannel channel = getFileChannel();
+ long size = (length == 0L) ? channel.size() - offset : length;
+ SftpFileSystemAccessor accessor = subsystem.getFileSystemAccessor();
+ ServerSession session = subsystem.getServerSession();
+ FileLock lock = accessor.tryLock(session, subsystem, getFile(), getFileHandle(), channel, offset, size, false);
+ if (lock == null) {
+ throw new SftpException(SftpConstants.SSH_FX_BYTE_RANGE_LOCK_REFUSED,
+ "Overlapping lock held by another program on range [" + offset + "-" + (offset + length));
+ }
+
+ synchronized (locks) {
+ locks.add(lock);
+ }
+ }
+
+ public void unlock(long offset, long length) throws IOException {
+ SeekableByteChannel channel = getFileChannel();
+ long size = (length == 0L) ? channel.size() - offset : length;
+ FileLock lock = null;
+ for (Iterator<FileLock> iterator = locks.iterator(); iterator.hasNext();) {
+ FileLock l = iterator.next();
+ if ((l.position() == offset) && (l.size() == size)) {
+ iterator.remove();
+ lock = l;
+ break;
+ }
+ }
+ if (lock == null) {
+ throw new SftpException(SftpConstants.SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK,
+ "No matching lock found on range [" + offset + "-" + (offset + length));
+ }
+
+ lock.release();
+ }
+
+ public static Collection<FileAttribute<?>> toFileAttributes(Map<String, Object> attrs) {
+ if (GenericUtils.isEmpty(attrs)) {
+ return Collections.emptyList();
+ }
+
+ Collection<FileAttribute<?>> attributes = null;
+ // Cannot use forEach because the referenced attributes variable is not effectively final
+ for (Map.Entry<String, Object> attr : attrs.entrySet()) {
+ FileAttribute<?> fileAttr = toFileAttribute(attr.getKey(), attr.getValue());
+ if (fileAttr == null) {
+ continue;
+ }
+ if (attributes == null) {
+ attributes = new LinkedList<>();
+ }
+ attributes.add(fileAttr);
+ }
+
+ return (attributes == null) ? Collections.emptyList() : attributes;
+ }
+
+ public static FileAttribute<?> toFileAttribute(String key, Object val) {
+ // Some ignored attributes sent by the SFTP client
+ if ("isOther".equals(key)) {
+ if ((Boolean) val) {
+ throw new IllegalArgumentException("Not allowed to use " + key + "=" + val);
+ }
+ return null;
+ } else if ("isRegular".equals(key)) {
+ if (!(Boolean) val) {
+ throw new IllegalArgumentException("Not allowed to use " + key + "=" + val);
+ }
+ return null;
+ }
+
+ return new FileAttribute<Object>() {
+ private final String s = key + "=" + val;
+
+ @Override
+ public String name() {
+ return key;
+ }
+
+ @Override
+ public Object value() {
+ return val;
+ }
+
+ @Override
+ public String toString() {
+ return s;
+ }
+ };
+ }
+
+ public static Set<StandardOpenOption> getOpenOptions(int flags, int access) {
+ Set<StandardOpenOption> options = EnumSet.noneOf(StandardOpenOption.class);
+ if (((access & SftpConstants.ACE4_READ_DATA) != 0) || ((access & SftpConstants.ACE4_READ_ATTRIBUTES) != 0)) {
+ options.add(StandardOpenOption.READ);
+ }
+ if (((access & SftpConstants.ACE4_WRITE_DATA) != 0) || ((access & SftpConstants.ACE4_WRITE_ATTRIBUTES) != 0)) {
+ options.add(StandardOpenOption.WRITE);
+ }
+
+ int accessDisposition = flags & SftpConstants.SSH_FXF_ACCESS_DISPOSITION;
+ switch (accessDisposition) {
+ case SftpConstants.SSH_FXF_CREATE_NEW:
+ options.add(StandardOpenOption.CREATE_NEW);
+ break;
+ case SftpConstants.SSH_FXF_CREATE_TRUNCATE:
+ options.add(StandardOpenOption.CREATE);
+ options.add(StandardOpenOption.TRUNCATE_EXISTING);
+ break;
+ case SftpConstants.SSH_FXF_OPEN_EXISTING:
+ break;
+ case SftpConstants.SSH_FXF_OPEN_OR_CREATE:
+ options.add(StandardOpenOption.CREATE);
+ break;
+ case SftpConstants.SSH_FXF_TRUNCATE_EXISTING:
+ options.add(StandardOpenOption.TRUNCATE_EXISTING);
+ break;
+ default: // ignored
+ }
+ if ((flags & SftpConstants.SSH_FXF_APPEND_DATA) != 0) {
+ options.add(StandardOpenOption.APPEND);
+ }
+
+ return options;
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/Handle.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/Handle.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/Handle.java
new file mode 100644
index 0000000..a860eec
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/Handle.java
@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.Objects;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.server.session.ServerSession;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class Handle implements java.nio.channels.Channel {
+ private final AtomicBoolean closed = new AtomicBoolean(false);
+ private final Path file;
+ private final String handle;
+
+ protected Handle(Path file, String handle) {
+ this.file = Objects.requireNonNull(file, "No local file path");
+ this.handle = ValidateUtils.checkNotNullAndNotEmpty(handle, "No assigned handle for %s", file);
+ }
+
+ protected void signalHandleOpening(SftpSubsystem subsystem) throws IOException {
+ SftpEventListener listener = subsystem.getSftpEventListenerProxy();
+ ServerSession session = subsystem.getServerSession();
+ listener.opening(session, handle, this);
+ }
+
+ protected void signalHandleOpen(SftpSubsystem subsystem) throws IOException {
+ SftpEventListener listener = subsystem.getSftpEventListenerProxy();
+ ServerSession session = subsystem.getServerSession();
+ listener.open(session, handle, this);
+ }
+
+ public Path getFile() {
+ return file;
+ }
+
+ public String getFileHandle() {
+ return handle;
+ }
+
+ @Override
+ public boolean isOpen() {
+ return !closed.get();
+ }
+
+ @Override
+ public void close() throws IOException {
+ if (!closed.getAndSet(true)) {
+ //noinspection UnnecessaryReturnStatement
+ return; // debug breakpoint
+ }
+ }
+
+ @Override
+ public String toString() {
+ return Objects.toString(getFile());
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/InvalidHandleException.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/InvalidHandleException.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/InvalidHandleException.java
new file mode 100644
index 0000000..af7b147
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/InvalidHandleException.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.IOException;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class InvalidHandleException extends IOException {
+ private static final long serialVersionUID = -1686077114375131889L;
+
+ public InvalidHandleException(String handle, Handle h, Class<? extends Handle> expected) {
+ super(handle + "[" + h + "] is not a " + expected.getSimpleName());
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/PrincipalBase.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/PrincipalBase.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/PrincipalBase.java
new file mode 100644
index 0000000..310c3b4
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/PrincipalBase.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.security.Principal;
+import java.util.Objects;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class PrincipalBase implements Principal {
+
+ private final String name;
+
+ public PrincipalBase(String name) {
+ if (name == null) {
+ throw new IllegalArgumentException("name is null");
+ }
+ this.name = name;
+ }
+
+ @Override
+ public final String getName() {
+ return name;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if ((o == null) || (getClass() != o.getClass())) {
+ return false;
+ }
+
+ Principal that = (Principal) o;
+ return Objects.equals(getName(), that.getName());
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hashCode(getName());
+ }
+
+ @Override
+ public String toString() {
+ return getName();
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpErrorStatusDataHandler.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpErrorStatusDataHandler.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpErrorStatusDataHandler.java
new file mode 100644
index 0000000..1498ba2
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpErrorStatusDataHandler.java
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import org.apache.sshd.common.subsystem.sftp.SftpHelper;
+
+/**
+ * Invoked in order to format failed commands messages
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface SftpErrorStatusDataHandler {
+ SftpErrorStatusDataHandler DEFAULT = new SftpErrorStatusDataHandler() {
+ @Override
+ public String toString() {
+ return SftpErrorStatusDataHandler.class.getSimpleName() + "[DEFAULT]";
+ }
+ };
+
+ /**
+ * @param sftpSubsystem The SFTP subsystem instance
+ * @param id The command identifier
+ * @param e Thrown exception
+ * @param cmd The command that was attempted
+ * @param args The relevant command arguments - <B>Note:</B> provided only for
+ * <U>logging</U> purposes and subject to type and/or order change at any version
+ * @return The relevant sub-status to send as failure indication for the failed command
+ * @see SftpHelper#resolveSubstatus(Throwable)
+ */
+ default int resolveSubStatus(SftpSubsystemEnvironment sftpSubsystem, int id, Throwable e, int cmd, Object... args) {
+ return SftpHelper.resolveSubstatus(e);
+ }
+
+ /**
+ * @param sftpSubsystem The SFTP subsystem instance
+ * @param id The command identifier
+ * @param e Thrown exception
+ * @param subStatus The sub-status code obtained from invocation of
+ * {@link #resolveSubStatus(SftpSubsystemEnvironment, int, Throwable, int, Object...) resolveSubStatus}
+ * @param cmd The command that was attempted
+ * @param args The relevant command arguments - <B>Note:</B> provided only for
+ * <U>logging</U> purposes and subject to type and/or order change at any version
+ * @return The human readable text message that explains the failure reason
+ * @see SftpHelper#resolveStatusMessage(int)
+ */
+ default String resolveErrorMessage(
+ SftpSubsystemEnvironment sftpSubsystem, int id, Throwable e, int subStatus, int cmd, Object... args) {
+ return SftpHelper.resolveStatusMessage(subStatus);
+ }
+
+ /**
+ * @param sftpSubsystem The SFTP subsystem instance
+ * @param id The command identifier
+ * @param e Thrown exception
+ * @param subStatus The sub-status code obtained from invocation of
+ * {@link #resolveSubStatus(SftpSubsystemEnvironment, int, Throwable, int, Object...) resolveSubStatus}
+ * @param cmd The command that was attempted
+ * @param args The relevant command arguments - <B>Note:</B> provided only for
+ * <U>logging</U> purposes and subject to type and/or order change at any version
+ * @return The error message language tag - recommend returning empty string
+ */
+ default String resolveErrorLanguage(
+ SftpSubsystemEnvironment sftpSubsystem, int id, Throwable e, int subStatus, int cmd, Object... args) {
+ return "";
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListener.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListener.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListener.java
new file mode 100644
index 0000000..c518af3
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListener.java
@@ -0,0 +1,396 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.CopyOption;
+import java.nio.file.Path;
+import java.util.Collection;
+import java.util.Map;
+
+import org.apache.sshd.common.util.SshdEventListener;
+import org.apache.sshd.server.session.ServerSession;
+
+/**
+ * Can be used register for SFTP events. <B>Note:</B> it does not expose
+ * the entire set of available SFTP commands and responses (e.g., no reports
+ * for initialization, extensions, parameters re-negotiation, etc...);
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface SftpEventListener extends SshdEventListener {
+ /**
+ * Called when the SFTP protocol has been initialized
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param version The negotiated SFTP version
+ */
+ default void initialized(ServerSession session, int version) {
+ // ignored
+ }
+
+ /**
+ * Called when subsystem is destroyed since it was closed
+ *
+ * @param session The associated {@link ServerSession}
+ */
+ default void destroying(ServerSession session) {
+ // ignored
+ }
+
+ /**
+ * Specified file / directory is being opened
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file / directory
+ * @param localHandle The associated file / directory {@link Handle}
+ * @throws IOException If failed to handle the call
+ */
+ default void opening(ServerSession session, String remoteHandle, Handle localHandle)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Specified file / directory has been opened
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file / directory
+ * @param localHandle The associated file / directory {@link Handle}
+ * @throws IOException If failed to handle the call
+ */
+ default void open(ServerSession session, String remoteHandle, Handle localHandle)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Result of reading entries from a directory - <B>Note:</B> it may be a
+ * <U>partial</U> result if the directory contains more entries than can
+ * be accommodated in the response
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the directory
+ * @param localHandle The associated {@link DirectoryHandle}
+ * @param entries A {@link Map} of the listed entries - key = short name,
+ * value = {@link Path} of the sub-entry
+ * @throws IOException If failed to handle the call
+ */
+ default void read(ServerSession session, String remoteHandle, DirectoryHandle localHandle, Map<String, Path> entries)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Preparing to read from a file
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file
+ * @param localHandle The associated {@link FileHandle}
+ * @param offset Offset in file from which to read
+ * @param data Buffer holding the read data
+ * @param dataOffset Offset of read data in buffer
+ * @param dataLen Requested read length
+ * @throws IOException If failed to handle the call
+ */
+ default void reading(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, byte[] data, int dataOffset, int dataLen) throws IOException {
+ // ignored
+ }
+
+ /**
+ * Result of reading from a file
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file
+ * @param localHandle The associated {@link FileHandle}
+ * @param offset Offset in file from which to read
+ * @param data Buffer holding the read data
+ * @param dataOffset Offset of read data in buffer
+ * @param dataLen Requested read length
+ * @param readLen Actual read length - negative if thrown exception provided
+ * @param thrown Non-{@code null} if read failed due to this exception
+ * @throws IOException If failed to handle the call
+ */
+ default void read(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, byte[] data, int dataOffset, int dataLen, int readLen, Throwable thrown)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Preparing to write to file
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file
+ * @param localHandle The associated {@link FileHandle}
+ * @param offset Offset in file to which to write
+ * @param data Buffer holding the written data
+ * @param dataOffset Offset of write data in buffer
+ * @param dataLen Requested write length
+ * @throws IOException If failed to handle the call
+ */
+ default void writing(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, byte[] data, int dataOffset, int dataLen)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Finished to writing to file
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file
+ * @param localHandle The associated {@link FileHandle}
+ * @param offset Offset in file to which to write
+ * @param data Buffer holding the written data
+ * @param dataOffset Offset of write data in buffer
+ * @param dataLen Requested write length
+ * @param thrown The reason for failing to write - {@code null} if successful
+ * @throws IOException If failed to handle the call
+ */
+ default void written(ServerSession session, String remoteHandle, FileHandle localHandle,
+ long offset, byte[] data, int dataOffset, int dataLen, Throwable thrown)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>prior</U> to blocking a file section
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file
+ * @param localHandle The associated {@link FileHandle}
+ * @param offset Offset in file for locking
+ * @param length Section size for locking
+ * @param mask Lock mask flags - see {@code SSH_FXP_BLOCK} message
+ * @throws IOException If failed to handle the call
+ * @see #blocked(ServerSession, String, FileHandle, long, long, int, Throwable)
+ */
+ default void blocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length, int mask)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>after</U> blocking a file section
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file
+ * @param localHandle The associated {@link FileHandle}
+ * @param offset Offset in file for locking
+ * @param length Section size for locking
+ * @param mask Lock mask flags - see {@code SSH_FXP_BLOCK} message
+ * @param thrown If not-{@code null} then the reason for the failure to execute
+ * @throws IOException If failed to handle the call
+ */
+ default void blocked(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length, int mask, Throwable thrown)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>prior</U> to un-blocking a file section
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file
+ * @param localHandle The associated {@link FileHandle}
+ * @param offset Offset in file for un-locking
+ * @param length Section size for un-locking
+ * @throws IOException If failed to handle the call
+ */
+ default void unblocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>prior</U> to un-blocking a file section
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file
+ * @param localHandle The associated {@link FileHandle}
+ * @param offset Offset in file for un-locking
+ * @param length Section size for un-locking
+ * @param thrown If not-{@code null} then the reason for the failure to execute
+ * @throws IOException If failed to handle the call
+ */
+ default void unblocked(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length, Throwable thrown)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Specified file / directory has been closed
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param remoteHandle The (opaque) assigned handle for the file / directory
+ * @param localHandle The associated file / directory {@link Handle}
+ */
+ default void close(ServerSession session, String remoteHandle, Handle localHandle) {
+ // ignored
+ }
+
+ /**
+ * Called <U>prior</U> to creating a directory
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param path Directory {@link Path} to be created
+ * @param attrs Requested associated attributes to set
+ * @throws IOException If failed to handle the call
+ * @see #created(ServerSession, Path, Map, Throwable)
+ */
+ default void creating(ServerSession session, Path path, Map<String, ?> attrs)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>after</U> creating a directory
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param path Directory {@link Path} to be created
+ * @param attrs Requested associated attributes to set
+ * @param thrown If not-{@code null} then the reason for the failure to execute
+ * @throws IOException If failed to handle the call
+ */
+ default void created(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>prior</U> to renaming a file / directory
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param srcPath The source {@link Path}
+ * @param dstPath The target {@link Path}
+ * @param opts The resolved renaming options
+ * @throws IOException If failed to handle the call
+ * @see #moved(ServerSession, Path, Path, Collection, Throwable)
+ */
+ default void moving(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>after</U> renaming a file / directory
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param srcPath The source {@link Path}
+ * @param dstPath The target {@link Path}
+ * @param opts The resolved renaming options
+ * @param thrown If not-{@code null} then the reason for the failure to execute
+ * @throws IOException If failed to handle the call
+ */
+ default void moved(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts, Throwable thrown)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>prior</U> to removing a file / directory
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param path The {@link Path} about to be removed
+ * @throws IOException If failed to handle the call
+ * @see #removed(ServerSession, Path, Throwable)
+ */
+ default void removing(ServerSession session, Path path) throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>after</U> a file / directory has been removed
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param path The {@link Path} to be removed
+ * @param thrown If not-{@code null} then the reason for the failure to execute
+ * @throws IOException If failed to handle the call
+ */
+ default void removed(ServerSession session, Path path, Throwable thrown) throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>prior</U> to creating a link
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param source The source {@link Path}
+ * @param target The target {@link Path}
+ * @param symLink {@code true} = symbolic link
+ * @throws IOException If failed to handle the call
+ * @see #linked(ServerSession, Path, Path, boolean, Throwable)
+ */
+ default void linking(ServerSession session, Path source, Path target, boolean symLink)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>after</U> creating a link
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param source The source {@link Path}
+ * @param target The target {@link Path}
+ * @param symLink {@code true} = symbolic link
+ * @param thrown If not-{@code null} then the reason for the failure to execute
+ * @throws IOException If failed to handle the call
+ */
+ default void linked(ServerSession session, Path source, Path target, boolean symLink, Throwable thrown)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>prior</U> to modifying the attributes of a file / directory
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param path The file / directory {@link Path} to be modified
+ * @param attrs The attributes {@link Map} - names and values depend on the
+ * O/S, view, type, etc...
+ * @throws IOException If failed to handle the call
+ * @see #modifiedAttributes(ServerSession, Path, Map, Throwable)
+ */
+ default void modifyingAttributes(ServerSession session, Path path, Map<String, ?> attrs)
+ throws IOException {
+ // ignored
+ }
+
+ /**
+ * Called <U>after</U> modifying the attributes of a file / directory
+ *
+ * @param session The {@link ServerSession} through which the request was handled
+ * @param path The file / directory {@link Path} to be modified
+ * @param attrs The attributes {@link Map} - names and values depend on the
+ * O/S, view, type, etc...
+ * @param thrown If not-{@code null} then the reason for the failure to execute
+ * @throws IOException If failed to handle the call
+ */
+ default void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown)
+ throws IOException {
+ // ignored
+ }
+
+ static <L extends SftpEventListener> L validateListener(L listener) {
+ return SshdEventListener.validateListener(listener, SftpEventListener.class.getSimpleName());
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListenerManager.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListenerManager.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListenerManager.java
new file mode 100644
index 0000000..3f91033
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpEventListenerManager.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface SftpEventListenerManager {
+ /**
+ * @return An instance representing <U>all</U> the currently
+ * registered listeners. Any method invocation is <U>replicated</U>
+ * to the actually registered listeners
+ */
+ SftpEventListener getSftpEventListenerProxy();
+
+ /**
+ * Register a listener instance
+ *
+ * @param listener The {@link SftpEventListener} instance to add - never {@code null}
+ * @return {@code true} if listener is a previously un-registered one
+ */
+ boolean addSftpEventListener(SftpEventListener listener);
+
+ /**
+ * Remove a listener instance
+ *
+ * @param listener The {@link SftpEventListener} instance to remove - never {@code null}
+ * @return {@code true} if listener is a (removed) registered one
+ */
+ boolean removeSftpEventListener(SftpEventListener listener);
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessor.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessor.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessor.java
new file mode 100644
index 0000000..86aa670
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessor.java
@@ -0,0 +1,155 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.IOException;
+import java.io.StreamCorruptedException;
+import java.nio.channels.Channel;
+import java.nio.channels.FileChannel;
+import java.nio.channels.FileLock;
+import java.nio.channels.SeekableByteChannel;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.OpenOption;
+import java.nio.file.Path;
+import java.nio.file.attribute.FileAttribute;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.io.FileInfoExtractor;
+import org.apache.sshd.server.session.ServerSession;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface SftpFileSystemAccessor {
+ List<String> DEFAULT_UNIX_VIEW = Collections.singletonList("unix:*");
+
+ /**
+ * A {@link Map} of {@link FileInfoExtractor}s to be used to complete
+ * attributes that are deemed important enough to warrant an extra
+ * effort if not accessible via the file system attributes views
+ */
+ Map<String, FileInfoExtractor<?>> FILEATTRS_RESOLVERS =
+ GenericUtils.<String, FileInfoExtractor<?>>mapBuilder(String.CASE_INSENSITIVE_ORDER)
+ .put("isRegularFile", FileInfoExtractor.ISREG)
+ .put("isDirectory", FileInfoExtractor.ISDIR)
+ .put("isSymbolicLink", FileInfoExtractor.ISSYMLINK)
+ .put("permissions", FileInfoExtractor.PERMISSIONS)
+ .put("size", FileInfoExtractor.SIZE)
+ .put("lastModifiedTime", FileInfoExtractor.LASTMODIFIED)
+ .immutable();
+
+ SftpFileSystemAccessor DEFAULT = new SftpFileSystemAccessor() {
+ @Override
+ public String toString() {
+ return SftpFileSystemAccessor.class.getSimpleName() + "[DEFAULT]";
+ }
+ };
+
+ /**
+ * Called whenever a new file is opened
+ *
+ * @param session The {@link ServerSession} through which the request was received
+ * @param subsystem The SFTP subsystem instance that manages the session
+ * @param file The requested <U>local</U> file {@link Path}
+ * @param handle The assigned file handle through which the remote peer references this file.
+ * May be {@code null}/empty if the request is due to some internal functionality
+ * instead of due to peer requesting a handle to a file.
+ * @param options The requested {@link OpenOption}s
+ * @param attrs The requested {@link FileAttribute}s
+ * @return The opened {@link SeekableByteChannel}
+ * @throws IOException If failed to open
+ */
+ default SeekableByteChannel openFile(
+ ServerSession session, SftpEventListenerManager subsystem,
+ Path file, String handle, Set<? extends OpenOption> options, FileAttribute<?>... attrs)
+ throws IOException {
+ return FileChannel.open(file, options, attrs);
+ }
+
+ /**
+ * Called when locking a section of a file is requested
+ *
+ * @param session The {@link ServerSession} through which the request was received
+ * @param subsystem The SFTP subsystem instance that manages the session
+ * @param file The requested <U>local</U> file {@link Path}
+ * @param handle The assigned file handle through which the remote peer references this file
+ * @param channel The original {@link Channel} that was returned by {@link #openFile(ServerSession, SftpEventListenerManager, Path, String, Set, FileAttribute...)}
+ * @param position The position at which the locked region is to start - must be non-negative
+ * @param size The size of the locked region; must be non-negative, and the sum
+ * <tt>position</tt> + <tt>size</tt> must be non-negative
+ * @param shared {@code true} to request a shared lock, {@code false} to request an exclusive lock
+ * @return A lock object representing the newly-acquired lock, or {@code null}
+ * if the lock could not be acquired because another program holds an overlapping lock
+ * @throws IOException If failed to honor the request
+ * @see FileChannel#tryLock(long, long, boolean)
+ */
+ default FileLock tryLock(ServerSession session, SftpEventListenerManager subsystem,
+ Path file, String handle, Channel channel, long position, long size, boolean shared)
+ throws IOException {
+ if (!(channel instanceof FileChannel)) {
+ throw new StreamCorruptedException("Non file channel to lock: " + channel);
+ }
+
+ return ((FileChannel) channel).lock(position, size, shared);
+ }
+
+ /**
+ * Called when file meta-data re-synchronization is required
+ *
+ * @param session The {@link ServerSession} through which the request was received
+ * @param subsystem The SFTP subsystem instance that manages the session
+ * @param file The requested <U>local</U> file {@link Path}
+ * @param handle The assigned file handle through which the remote peer references this file
+ * @param channel The original {@link Channel} that was returned by {@link #openFile(ServerSession, SftpEventListenerManager, Path, String, Set, FileAttribute...)}
+ * @throws IOException If failed to execute the request
+ * @see FileChannel#force(boolean)
+ * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 10</A>
+ */
+ default void syncFileData(ServerSession session, SftpEventListenerManager subsystem,
+ Path file, String handle, Channel channel)
+ throws IOException {
+ if (!(channel instanceof FileChannel)) {
+ throw new StreamCorruptedException("Non file channel to sync: " + channel);
+ }
+
+ ((FileChannel) channel).force(true);
+ }
+
+ /**
+ * Called when a new directory stream is requested
+ *
+ * @param session The {@link ServerSession} through which the request was received
+ * @param subsystem The SFTP subsystem instance that manages the session
+ * @param dir The requested <U>local</U> directory
+ * @param handle The assigned directory handle through which the remote peer references this directory
+ * @return The opened {@link DirectoryStream}
+ * @throws IOException If failed to open
+ */
+ default DirectoryStream<Path> openDirectory(
+ ServerSession session, SftpEventListenerManager subsystem, Path dir, String handle)
+ throws IOException {
+ return Files.newDirectoryStream(dir);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessorManager.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessorManager.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessorManager.java
new file mode 100644
index 0000000..616f9ce
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpFileSystemAccessorManager.java
@@ -0,0 +1,29 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface SftpFileSystemAccessorManager {
+ SftpFileSystemAccessor getFileSystemAccessor();
+
+ void setFileSystemAccessor(SftpFileSystemAccessor accessor);
+}
[23/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/NewlineParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/NewlineParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/NewlineParser.java
deleted file mode 100644
index 2ad7ddb..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/NewlineParser.java
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions;
-
-import java.io.Serializable;
-import java.nio.charset.StandardCharsets;
-import java.util.Objects;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.NewlineParser.Newline;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class NewlineParser extends AbstractParser<Newline> {
- /**
- * The "newline" extension information as per
- * <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 Section 4.3</A>
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
- public static class Newline implements Cloneable, Serializable {
- private static final long serialVersionUID = 2010656704254497899L;
- private String newline;
-
- public Newline() {
- this(null);
- }
-
- public Newline(String newline) {
- this.newline = newline;
- }
-
- public String getNewline() {
- return newline;
- }
-
- public void setNewline(String newline) {
- this.newline = newline;
- }
-
- @Override
- public int hashCode() {
- return Objects.hashCode(getNewline());
- }
-
- @Override
- public boolean equals(Object obj) {
- if (obj == null) {
- return false;
- }
- if (obj == this) {
- return true;
- }
- if (obj.getClass() != getClass()) {
- return false;
- }
-
- return Objects.equals(((Newline) obj).getNewline(), getNewline());
- }
-
- @Override
- public Newline clone() {
- try {
- return getClass().cast(super.clone());
- } catch (CloneNotSupportedException e) {
- throw new RuntimeException("Failed to clone " + toString() + ": " + e.getMessage(), e);
- }
- }
-
- @Override
- public String toString() {
- String nl = getNewline();
- if (GenericUtils.isEmpty(nl)) {
- return nl;
- } else {
- return BufferUtils.toHex(':', nl.getBytes(StandardCharsets.UTF_8));
- }
- }
- }
-
- public static final NewlineParser INSTANCE = new NewlineParser();
-
- public NewlineParser() {
- super(SftpConstants.EXT_NEWLINE);
- }
-
- @Override
- public Newline parse(byte[] input, int offset, int len) {
- return parse(new String(input, offset, len, StandardCharsets.UTF_8));
- }
-
- public Newline parse(String value) {
- return new Newline(value);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ParserUtils.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ParserUtils.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ParserUtils.java
deleted file mode 100644
index e565ab4..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ParserUtils.java
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-import java.util.TreeMap;
-import java.util.TreeSet;
-
-import org.apache.sshd.common.subsystem.sftp.extensions.Supported2Parser.Supported2;
-import org.apache.sshd.common.subsystem.sftp.extensions.SupportedParser.Supported;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FstatVfsExtensionParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FsyncExtensionParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.HardLinkExtensionParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.PosixRenameExtensionParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.StatVfsExtensionParser;
-import org.apache.sshd.common.util.GenericUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 3.4</A>
- */
-public final class ParserUtils {
- public static final Collection<ExtensionParser<?>> BUILT_IN_PARSERS =
- Collections.unmodifiableList(
- Arrays.<ExtensionParser<?>>asList(
- VendorIdParser.INSTANCE,
- NewlineParser.INSTANCE,
- VersionsParser.INSTANCE,
- SupportedParser.INSTANCE,
- Supported2Parser.INSTANCE,
- AclSupportedParser.INSTANCE,
- // OpenSSH extensions
- PosixRenameExtensionParser.INSTANCE,
- StatVfsExtensionParser.INSTANCE,
- FstatVfsExtensionParser.INSTANCE,
- HardLinkExtensionParser.INSTANCE,
- FsyncExtensionParser.INSTANCE
- ));
-
- private static final Map<String, ExtensionParser<?>> PARSERS_MAP;
-
- static {
- PARSERS_MAP = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- for (ExtensionParser<?> p : BUILT_IN_PARSERS) {
- PARSERS_MAP.put(p.getName(), p);
- }
- }
-
- private ParserUtils() {
- throw new UnsupportedOperationException("No instance");
- }
-
- /**
- * @param parser The {@link ExtensionParser} to register
- * @return The replaced parser (by name) - {@code null} if no previous parser
- * for this extension name
- */
- public static ExtensionParser<?> registerParser(ExtensionParser<?> parser) {
- Objects.requireNonNull(parser, "No parser instance");
-
- synchronized (PARSERS_MAP) {
- return PARSERS_MAP.put(parser.getName(), parser);
- }
- }
-
- /**
- * @param name The extension name - ignored if {@code null}/empty
- * @return The removed {@link ExtensionParser} - {@code null} if none registered
- * for this extension name
- */
- public static ExtensionParser<?> unregisterParser(String name) {
- if (GenericUtils.isEmpty(name)) {
- return null;
- }
-
- synchronized (PARSERS_MAP) {
- return PARSERS_MAP.remove(name);
- }
- }
-
- /**
- * @param name The extension name - ignored if {@code null}/empty
- * @return The registered {@link ExtensionParser} - {@code null} if none registered
- * for this extension name
- */
- public static ExtensionParser<?> getRegisteredParser(String name) {
- if (GenericUtils.isEmpty(name)) {
- return null;
- }
-
- synchronized (PARSERS_MAP) {
- return PARSERS_MAP.get(name);
- }
- }
-
- public static Set<String> getRegisteredParsersNames() {
- synchronized (PARSERS_MAP) {
- if (PARSERS_MAP.isEmpty()) {
- return Collections.emptySet();
- } else { // return a copy in order to avoid concurrent modification issues
- return GenericUtils.asSortedSet(String.CASE_INSENSITIVE_ORDER, PARSERS_MAP.keySet());
- }
- }
- }
-
- public static List<ExtensionParser<?>> getRegisteredParsers() {
- synchronized (PARSERS_MAP) {
- if (PARSERS_MAP.isEmpty()) {
- return Collections.emptyList();
- } else { // return a copy in order to avoid concurrent modification issues
- return new ArrayList<>(PARSERS_MAP.values());
- }
- }
- }
-
- public static Set<String> supportedExtensions(Map<String, ?> parsed) {
- if (GenericUtils.isEmpty(parsed)) {
- return Collections.emptySet();
- }
-
- Supported sup = (Supported) parsed.get(SupportedParser.INSTANCE.getName());
- Collection<String> extra = (sup == null) ? null : sup.extensionNames;
- Supported2 sup2 = (Supported2) parsed.get(Supported2Parser.INSTANCE.getName());
- Collection<String> extra2 = (sup2 == null) ? null : sup2.extensionNames;
- if (GenericUtils.isEmpty(extra)) {
- return GenericUtils.asSortedSet(String.CASE_INSENSITIVE_ORDER, extra2);
- } else if (GenericUtils.isEmpty(extra2)) {
- return GenericUtils.asSortedSet(String.CASE_INSENSITIVE_ORDER, extra);
- }
-
- Set<String> result = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
- result.addAll(extra);
- result.addAll(extra2);
- return result;
- }
-
- /**
- * @param extensions The received extensions in encoded form
- * @return A {@link Map} of all the successfully decoded extensions
- * where key=extension name (same as in the original map), value=the
- * decoded extension value. Extensions for which there is no registered
- * parser are <U>ignored</U>
- * @see #getRegisteredParser(String)
- * @see ExtensionParser#parse(byte[])
- */
- public static Map<String, Object> parse(Map<String, byte[]> extensions) {
- if (GenericUtils.isEmpty(extensions)) {
- return Collections.emptyMap();
- }
-
- Map<String, Object> data = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- extensions.forEach((name, value) -> {
- Object result = parse(name, value);
- if (result == null) {
- return;
- }
- data.put(name, result);
- });
-
- return data;
- }
-
- public static Object parse(String name, byte... encoded) {
- ExtensionParser<?> parser = getRegisteredParser(name);
- if (parser == null) {
- return null;
- } else {
- return parser.parse(encoded);
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SpaceAvailableExtensionInfo.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SpaceAvailableExtensionInfo.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SpaceAvailableExtensionInfo.java
deleted file mode 100644
index 16dc184..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SpaceAvailableExtensionInfo.java
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions;
-
-import java.io.IOException;
-import java.nio.file.FileStore;
-
-import org.apache.sshd.common.util.NumberUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 section 9.2</A>
- */
-public class SpaceAvailableExtensionInfo implements Cloneable {
- // CHECKSTYLE:OFF
- public long bytesOnDevice;
- public long unusedBytesOnDevice;
- public long bytesAvailableToUser;
- public long unusedBytesAvailableToUser;
- public int bytesPerAllocationUnit;
- // CHECKSTYLE:ON
-
- public SpaceAvailableExtensionInfo() {
- super();
- }
-
- public SpaceAvailableExtensionInfo(Buffer buffer) {
- decode(buffer, this);
- }
-
- public SpaceAvailableExtensionInfo(FileStore store) throws IOException {
- bytesOnDevice = store.getTotalSpace();
-
- long unallocated = store.getUnallocatedSpace();
- long usable = store.getUsableSpace();
- unusedBytesOnDevice = Math.max(unallocated, usable);
-
- // the rest are intentionally left zero indicating "UNKNOWN"
- }
-
- @Override
- public int hashCode() {
- return NumberUtils.hashCode(bytesOnDevice, unusedBytesOnDevice,
- bytesAvailableToUser, unusedBytesAvailableToUser,
- bytesPerAllocationUnit);
- }
-
- @Override
- public boolean equals(Object obj) {
- if (obj == null) {
- return false;
- }
- if (this == obj) {
- return true;
- }
- if (getClass() != obj.getClass()) {
- return false;
- }
-
- SpaceAvailableExtensionInfo other = (SpaceAvailableExtensionInfo) obj;
- return this.bytesOnDevice == other.bytesOnDevice
- && this.unusedBytesOnDevice == other.unusedBytesOnDevice
- && this.bytesAvailableToUser == other.bytesAvailableToUser
- && this.unusedBytesAvailableToUser == other.unusedBytesAvailableToUser
- && this.bytesPerAllocationUnit == other.bytesPerAllocationUnit;
- }
-
- @Override
- public SpaceAvailableExtensionInfo clone() {
- try {
- return getClass().cast(super.clone());
- } catch (CloneNotSupportedException e) {
- throw new RuntimeException("Failed to close " + toString() + ": " + e.getMessage());
- }
- }
-
- @Override
- public String toString() {
- return "bytesOnDevice=" + bytesOnDevice
- + ",unusedBytesOnDevice=" + unusedBytesOnDevice
- + ",bytesAvailableToUser=" + bytesAvailableToUser
- + ",unusedBytesAvailableToUser=" + unusedBytesAvailableToUser
- + ",bytesPerAllocationUnit=" + bytesPerAllocationUnit;
- }
-
- public static SpaceAvailableExtensionInfo decode(Buffer buffer) {
- SpaceAvailableExtensionInfo info = new SpaceAvailableExtensionInfo();
- decode(buffer, info);
- return info;
- }
-
- public static void decode(Buffer buffer, SpaceAvailableExtensionInfo info) {
- info.bytesOnDevice = buffer.getLong();
- info.unusedBytesOnDevice = buffer.getLong();
- info.bytesAvailableToUser = buffer.getLong();
- info.unusedBytesAvailableToUser = buffer.getLong();
- info.bytesPerAllocationUnit = buffer.getInt();
- }
-
- public static void encode(Buffer buffer, SpaceAvailableExtensionInfo info) {
- buffer.putLong(info.bytesOnDevice);
- buffer.putLong(info.unusedBytesOnDevice);
- buffer.putLong(info.bytesAvailableToUser);
- buffer.putLong(info.unusedBytesAvailableToUser);
- buffer.putInt(info.bytesPerAllocationUnit & 0xFFFFFFFFL);
- }
-}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/Supported2Parser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/Supported2Parser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/Supported2Parser.java
deleted file mode 100644
index 6259a7c..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/Supported2Parser.java
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions;
-
-import java.util.Collection;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.Supported2Parser.Supported2;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
-
-/**
- * Parses the "supported2" extension as defined in
- * <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-10">DRAFT 13 section 5.4</A>
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class Supported2Parser extends AbstractParser<Supported2> {
- /**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-10">DRAFT 13 section 5.4</A>
- */
- public static class Supported2 {
- // CHECKSTYLE:OFF
- public int supportedAttributeMask;
- public int supportedAttributeBits;
- public int supportedOpenFlags;
- public int supportedAccessMask;
- public int maxReadSize;
- public short supportedOpenBlockVector;
- public short supportedBlock;
- // uint32 attrib-extension-count
- public Collection<String> attribExtensionNames;
- // uint32 extension-count
- public Collection<String> extensionNames;
- // CHECKSTYLE:ON
-
- @Override
- public String toString() {
- return "attrsMask=0x" + Integer.toHexString(supportedAttributeMask)
- + ",attrsBits=0x" + Integer.toHexString(supportedAttributeBits)
- + ",openFlags=0x" + Integer.toHexString(supportedOpenFlags)
- + ",accessMask=0x" + Integer.toHexString(supportedAccessMask)
- + ",maxRead=" + maxReadSize
- + ",openBlock=0x" + Integer.toHexString(supportedOpenBlockVector & 0xFFFF)
- + ",block=" + Integer.toHexString(supportedBlock & 0xFFFF)
- + ",attribs=" + attribExtensionNames
- + ",exts=" + extensionNames;
- }
- }
-
- public static final Supported2Parser INSTANCE = new Supported2Parser();
-
- public Supported2Parser() {
- super(SftpConstants.EXT_SUPPORTED2);
- }
-
- @Override
- public Supported2 parse(byte[] input, int offset, int len) {
- return parse(new ByteArrayBuffer(input, offset, len));
- }
-
- public Supported2 parse(Buffer buffer) {
- Supported2 sup2 = new Supported2();
- sup2.supportedAttributeMask = buffer.getInt();
- sup2.supportedAttributeBits = buffer.getInt();
- sup2.supportedOpenFlags = buffer.getInt();
- sup2.supportedAccessMask = buffer.getInt();
- sup2.maxReadSize = buffer.getInt();
- sup2.supportedOpenBlockVector = buffer.getShort();
- sup2.supportedBlock = buffer.getShort();
- sup2.attribExtensionNames = buffer.getStringList(true);
- sup2.extensionNames = buffer.getStringList(true);
- return sup2;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SupportedParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SupportedParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SupportedParser.java
deleted file mode 100644
index 4c80463..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/SupportedParser.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions;
-
-import java.util.Collection;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.SupportedParser.Supported;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
-
-/**
- * Parses the "supported" extension as defined in
- * <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-05.txt">DRAFT 05 - section 4.4</A>
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SupportedParser extends AbstractParser<Supported> {
- /**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-05.txt">DRAFT 05 - section 4.4</A>
- */
- public static class Supported {
- // CHECKSTYLE:OFF
- public int supportedAttributeMask;
- public int supportedAttributeBits;
- public int supportedOpenFlags;
- public int supportedAccessMask;
- public int maxReadSize;
- public Collection<String> extensionNames;
- // CHECKSTYLE:ON
-
- @Override
- public String toString() {
- return "attrsMask=0x" + Integer.toHexString(supportedAttributeMask)
- + ",attrsBits=0x" + Integer.toHexString(supportedAttributeBits)
- + ",openFlags=0x" + Integer.toHexString(supportedOpenFlags)
- + ",accessMask=0x" + Integer.toHexString(supportedAccessMask)
- + ",maxReadSize=" + maxReadSize
- + ",extensions=" + extensionNames;
- }
- }
-
- public static final SupportedParser INSTANCE = new SupportedParser();
-
- public SupportedParser() {
- super(SftpConstants.EXT_SUPPORTED);
- }
-
- @Override
- public Supported parse(byte[] input, int offset, int len) {
- return parse(new ByteArrayBuffer(input, offset, len));
- }
-
- public Supported parse(Buffer buffer) {
- Supported sup = new Supported();
- sup.supportedAttributeMask = buffer.getInt();
- sup.supportedAttributeBits = buffer.getInt();
- sup.supportedOpenFlags = buffer.getInt();
- sup.supportedAccessMask = buffer.getInt();
- sup.maxReadSize = buffer.getInt();
- sup.extensionNames = buffer.getStringList(false);
- return sup;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VendorIdParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VendorIdParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VendorIdParser.java
deleted file mode 100644
index 1917d7d..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VendorIdParser.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.VendorIdParser.VendorId;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class VendorIdParser extends AbstractParser<VendorId> {
- /**
- * The "vendor-id" information as per
- * <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 4.4</A>
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
- public static class VendorId {
- // CHECKSTYLE:OFF
- public String vendorName;
- public String productName;
- public String productVersion;
- public long productBuildNumber;
- // CHECKSTYLE:ON
-
- @Override
- public String toString() {
- return vendorName + "-" + productName + "-" + productVersion + "-" + productBuildNumber;
- }
- }
-
- public static final VendorIdParser INSTANCE = new VendorIdParser();
-
- public VendorIdParser() {
- super(SftpConstants.EXT_VENDOR_ID);
- }
-
- @Override
- public VendorId parse(byte[] input, int offset, int len) {
- return parse(new ByteArrayBuffer(input, offset, len));
- }
-
- public VendorId parse(Buffer buffer) {
- VendorId id = new VendorId();
- id.vendorName = buffer.getString();
- id.productName = buffer.getString();
- id.productVersion = buffer.getString();
- id.productBuildNumber = buffer.getLong();
- return id;
- }
-
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VersionsParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VersionsParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VersionsParser.java
deleted file mode 100644
index 51b31f6..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/VersionsParser.java
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions;
-
-import java.nio.charset.StandardCharsets;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.VersionsParser.Versions;
-import org.apache.sshd.common.util.GenericUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class VersionsParser extends AbstractParser<Versions> {
- /**
- * The "versions" extension data as per
- * <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 Section 4.6</A>
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
- public static class Versions {
- public static final char SEP = ',';
-
- private List<String> versions;
-
- public Versions() {
- this(null);
- }
-
- public Versions(List<String> versions) {
- this.versions = versions;
- }
-
- public List<String> getVersions() {
- return versions;
- }
-
- public void setVersions(List<String> versions) {
- this.versions = versions;
- }
-
- @Override
- public String toString() {
- return GenericUtils.join(getVersions(), ',');
- }
- }
-
- public static final VersionsParser INSTANCE = new VersionsParser();
-
- public VersionsParser() {
- super(SftpConstants.EXT_VERSIONS);
- }
-
- @Override
- public Versions parse(byte[] input, int offset, int len) {
- return parse(new String(input, offset, len, StandardCharsets.UTF_8));
- }
-
- public Versions parse(String value) {
- String[] comps = GenericUtils.split(value, Versions.SEP);
- return new Versions(GenericUtils.isEmpty(comps) ? Collections.emptyList() : Arrays.asList(comps));
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/AbstractOpenSSHExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/AbstractOpenSSHExtensionParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/AbstractOpenSSHExtensionParser.java
deleted file mode 100644
index 8590e64..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/AbstractOpenSSHExtensionParser.java
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
-
-import java.io.Serializable;
-import java.nio.charset.StandardCharsets;
-import java.util.Objects;
-
-import org.apache.sshd.common.NamedResource;
-import org.apache.sshd.common.subsystem.sftp.extensions.AbstractParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.AbstractOpenSSHExtensionParser.OpenSSHExtension;
-import org.apache.sshd.common.util.ValidateUtils;
-
-/**
- * Base class for various {@code XXX@openssh.com} extension data reports
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractOpenSSHExtensionParser extends AbstractParser<OpenSSHExtension> {
- public static class OpenSSHExtension implements NamedResource, Cloneable, Serializable {
- private static final long serialVersionUID = 5902797870154506909L;
- private final String name;
- private String version;
-
- public OpenSSHExtension(String name) {
- this(name, null);
- }
-
- public OpenSSHExtension(String name, String version) {
- this.name = ValidateUtils.checkNotNullAndNotEmpty(name, "No extension name");
- this.version = version;
- }
-
- @Override
- public final String getName() {
- return name;
- }
-
- public String getVersion() {
- return version;
- }
-
- public void setVersion(String version) {
- this.version = version;
- }
-
- @Override
- public int hashCode() {
- return Objects.hash(getName(), getVersion());
- }
-
- @Override
- public boolean equals(Object obj) {
- if (obj == null) {
- return false;
- }
- if (this == obj) {
- return true;
- }
- if (getClass() != obj.getClass()) {
- return false;
- }
-
- OpenSSHExtension other = (OpenSSHExtension) obj;
- return Objects.equals(getName(), other.getName())
- && Objects.equals(getVersion(), other.getVersion());
- }
-
- @Override
- public OpenSSHExtension clone() {
- try {
- return getClass().cast(super.clone());
- } catch (CloneNotSupportedException e) {
- throw new RuntimeException("Unexpected clone exception " + toString() + ": " + e.getMessage());
- }
- }
-
- @Override
- public String toString() {
- return getName() + " " + getVersion();
- }
- }
-
- protected AbstractOpenSSHExtensionParser(String name) {
- super(name);
- }
-
- @Override
- public OpenSSHExtension parse(byte[] input, int offset, int len) {
- return parse(new String(input, offset, len, StandardCharsets.UTF_8));
- }
-
- public OpenSSHExtension parse(String version) {
- return new OpenSSHExtension(getName(), version);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FstatVfsExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FstatVfsExtensionParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FstatVfsExtensionParser.java
deleted file mode 100644
index 4d13bf4..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FstatVfsExtensionParser.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class FstatVfsExtensionParser extends AbstractOpenSSHExtensionParser {
- public static final String NAME = "fstatvfs@openssh.com";
- public static final FstatVfsExtensionParser INSTANCE = new FstatVfsExtensionParser();
-
- public FstatVfsExtensionParser() {
- super(NAME);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FsyncExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FsyncExtensionParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FsyncExtensionParser.java
deleted file mode 100644
index e9967ab..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/FsyncExtensionParser.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 10</A>
- */
-public class FsyncExtensionParser extends AbstractOpenSSHExtensionParser {
- public static final String NAME = "fsync@openssh.com";
- public static final FsyncExtensionParser INSTANCE = new FsyncExtensionParser();
-
- public FsyncExtensionParser() {
- super(NAME);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/HardLinkExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/HardLinkExtensionParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/HardLinkExtensionParser.java
deleted file mode 100644
index 6d79a78..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/HardLinkExtensionParser.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 10</A>
- */
-public class HardLinkExtensionParser extends AbstractOpenSSHExtensionParser {
- public static final String NAME = "hardlink@openssh.com";
- public static final HardLinkExtensionParser INSTANCE = new HardLinkExtensionParser();
-
- public HardLinkExtensionParser() {
- super(NAME);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/PosixRenameExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/PosixRenameExtensionParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/PosixRenameExtensionParser.java
deleted file mode 100644
index 151c1ee..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/PosixRenameExtensionParser.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 3.3</A>
- */
-public class PosixRenameExtensionParser extends AbstractOpenSSHExtensionParser {
- public static final String NAME = "posix-rename@openssh.com";
- public static final PosixRenameExtensionParser INSTANCE = new PosixRenameExtensionParser();
-
- public PosixRenameExtensionParser() {
- super(NAME);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/StatVfsExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/StatVfsExtensionParser.java b/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/StatVfsExtensionParser.java
deleted file mode 100644
index be0fd8a..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/openssh/StatVfsExtensionParser.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp.extensions.openssh;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH - section 3.4</A>
- */
-public class StatVfsExtensionParser extends AbstractOpenSSHExtensionParser {
- public static final String NAME = "statvfs@openssh.com";
- public static final StatVfsExtensionParser INSTANCE = new StatVfsExtensionParser();
-
- public StatVfsExtensionParser() {
- super(NAME);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/SshServer.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/SshServer.java b/sshd-core/src/main/java/org/apache/sshd/server/SshServer.java
index 839c0ef..255668d 100644
--- a/sshd-core/src/main/java/org/apache/sshd/server/SshServer.java
+++ b/sshd-core/src/main/java/org/apache/sshd/server/SshServer.java
@@ -81,7 +81,6 @@ import org.apache.sshd.server.session.ServerUserAuthServiceFactory;
import org.apache.sshd.server.session.SessionFactory;
import org.apache.sshd.server.shell.InteractiveProcessShellFactory;
import org.apache.sshd.server.shell.ProcessShellFactory;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
/**
* <p>
@@ -622,7 +621,6 @@ public class SshServer extends AbstractFactoryManager implements ServerFactoryMa
sshd.setCommandFactory(new ScpCommandFactory.Builder().withDelegate(
command -> new ProcessShellFactory(GenericUtils.split(command, ' ')).create()
).build());
- sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
System.err.println("Starting SSHD on port " + port);
sshd.start();
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerAdapter.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerAdapter.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerAdapter.java
deleted file mode 100644
index 6895bae..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerAdapter.java
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.CopyOption;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.Collection;
-import java.util.Map;
-
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.logging.AbstractLoggingBean;
-import org.apache.sshd.server.session.ServerSession;
-
-/**
- * A no-op implementation of {@link SftpEventListener} for those who wish to
- * implement only a small number of methods. By default, all non-overridden methods
- * simply log at TRACE level their invocation parameters
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractSftpEventListenerAdapter extends AbstractLoggingBean implements SftpEventListener {
- protected AbstractSftpEventListenerAdapter() {
- super();
- }
-
- @Override
- public void initialized(ServerSession session, int version) {
- if (log.isTraceEnabled()) {
- log.trace("initialized(" + session + ") version: " + version);
- }
- }
-
- @Override
- public void destroying(ServerSession session) {
- if (log.isTraceEnabled()) {
- log.trace("destroying(" + session + ")");
- }
- }
-
- @Override
- public void opening(ServerSession session, String remoteHandle, Handle localHandle) throws IOException {
- if (log.isTraceEnabled()) {
- Path path = localHandle.getFile();
- log.trace("opening(" + session + ")[" + remoteHandle + "] " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
- }
- }
-
- @Override
- public void open(ServerSession session, String remoteHandle, Handle localHandle) {
- if (log.isTraceEnabled()) {
- Path path = localHandle.getFile();
- log.trace("open(" + session + ")[" + remoteHandle + "] " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
- }
- }
-
- @Override
- public void read(ServerSession session, String remoteHandle, DirectoryHandle localHandle, Map<String, Path> entries)
- throws IOException {
- int numEntries = GenericUtils.size(entries);
- if (log.isDebugEnabled()) {
- log.debug("read(" + session + ")[" + localHandle.getFile() + "] " + numEntries + " entries");
- }
-
- if ((numEntries > 0) && log.isTraceEnabled()) {
- entries.forEach((key, value) ->
- log.trace("read(" + session + ")[" + localHandle.getFile() + "] " + key + " - " + value));
- }
- }
-
- @Override
- public void reading(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, byte[] data, int dataOffset, int dataLen)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("reading(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", requested=" + dataLen);
- }
- }
-
- @Override
- public void read(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, byte[] data, int dataOffset, int dataLen, int readLen, Throwable thrown)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("read(" + session + ")[" + localHandle.getFile() + "] offset=" + offset
- + ", requested=" + dataLen + ", read=" + readLen
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
- }
-
- @Override
- public void writing(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, byte[] data, int dataOffset, int dataLen)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("write(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", requested=" + dataLen);
- }
- }
-
- @Override
- public void written(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, byte[] data, int dataOffset, int dataLen, Throwable thrown)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("written(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", requested=" + dataLen
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
- }
-
- @Override
- public void blocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length, int mask)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("blocking(" + session + ")[" + localHandle.getFile() + "]"
- + " offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask));
- }
- }
-
- @Override
- public void blocked(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, long length, int mask, Throwable thrown)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("blocked(" + session + ")[" + localHandle.getFile() + "]"
- + " offset=" + offset + ", length=" + length + ", mask=0x" + Integer.toHexString(mask)
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
- }
-
- @Override
- public void unblocking(ServerSession session, String remoteHandle, FileHandle localHandle, long offset, long length)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("unblocking(" + session + ")[" + localHandle.getFile() + "] offset=" + offset + ", length=" + length);
- }
- }
-
- @Override
- public void unblocked(ServerSession session, String remoteHandle, FileHandle localHandle,
- long offset, long length, Throwable thrown)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("unblocked(" + session + ")[" + localHandle.getFile() + "]"
- + " offset=" + offset + ", length=" + length
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
- }
-
- @Override
- public void close(ServerSession session, String remoteHandle, Handle localHandle) {
- if (log.isTraceEnabled()) {
- Path path = localHandle.getFile();
- log.trace("close(" + session + ")[" + remoteHandle + "] " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
- }
- }
-
- @Override
- public void creating(ServerSession session, Path path, Map<String, ?> attrs)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("creating(" + session + ") " + (Files.isDirectory(path) ? "directory" : "file") + " " + path);
- }
- }
-
- @Override
- public void created(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("created(" + session + ") " + (Files.isDirectory(path) ? "directory" : "file") + " " + path
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
- }
-
- @Override
- public void moving(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("moving(" + session + ")[" + opts + "]" + srcPath + " => " + dstPath);
- }
- }
-
- @Override
- public void moved(ServerSession session, Path srcPath, Path dstPath, Collection<CopyOption> opts, Throwable thrown)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("moved(" + session + ")[" + opts + "]" + srcPath + " => " + dstPath
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
- }
-
- @Override
- public void removing(ServerSession session, Path path)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("removing(" + session + ") " + path);
- }
- }
-
- @Override
- public void removed(ServerSession session, Path path, Throwable thrown)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("removed(" + session + ") " + path
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
- }
-
- @Override
- public void linking(ServerSession session, Path source, Path target, boolean symLink)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("linking(" + session + ")[" + symLink + "]" + source + " => " + target);
- }
- }
-
- @Override
- public void linked(ServerSession session, Path source, Path target, boolean symLink, Throwable thrown)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("linked(" + session + ")[" + symLink + "]" + source + " => " + target
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
- }
-
- @Override
- public void modifyingAttributes(ServerSession session, Path path, Map<String, ?> attrs)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("modifyingAttributes(" + session + ") " + path + ": " + attrs);
- }
- }
-
- @Override
- public void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown)
- throws IOException {
- if (log.isTraceEnabled()) {
- log.trace("modifiedAttributes(" + session + ") " + path
- + ((thrown == null) ? "" : (": " + thrown.getClass().getSimpleName() + ": " + thrown.getMessage())));
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerManager.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerManager.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerManager.java
deleted file mode 100644
index 11508b3..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpEventListenerManager.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.util.Collection;
-import java.util.concurrent.CopyOnWriteArraySet;
-
-import org.apache.sshd.common.util.EventListenerUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractSftpEventListenerManager implements SftpEventListenerManager {
- private final Collection<SftpEventListener> sftpEventListeners = new CopyOnWriteArraySet<>();
- private final SftpEventListener sftpEventListenerProxy;
-
- protected AbstractSftpEventListenerManager() {
- sftpEventListenerProxy = EventListenerUtils.proxyWrapper(SftpEventListener.class, getClass().getClassLoader(), sftpEventListeners);
- }
-
- public Collection<SftpEventListener> getRegisteredListeners() {
- return sftpEventListeners;
- }
-
- @Override
- public SftpEventListener getSftpEventListenerProxy() {
- return sftpEventListenerProxy;
- }
-
- @Override
- public boolean addSftpEventListener(SftpEventListener listener) {
- return sftpEventListeners.add(SftpEventListener.validateListener(listener));
- }
-
- @Override
- public boolean removeSftpEventListener(SftpEventListener listener) {
- if (listener == null) {
- return false;
- }
-
- return sftpEventListeners.remove(SftpEventListener.validateListener(listener));
- }
-}
[10/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpConstants.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpConstants.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpConstants.java
new file mode 100644
index 0000000..ad6234c
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpConstants.java
@@ -0,0 +1,330 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.common.subsystem.sftp;
+
+import java.util.Collections;
+import java.util.Map;
+
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.logging.LoggingUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@SuppressWarnings("PMD.AvoidUsingOctalValues")
+public final class SftpConstants {
+ public static final String SFTP_SUBSYSTEM_NAME = "sftp";
+
+ public static final int SSH_FXP_INIT = 1;
+ public static final int SSH_FXP_VERSION = 2;
+ public static final int SSH_FXP_OPEN = 3;
+ public static final int SSH_FXP_CLOSE = 4;
+ public static final int SSH_FXP_READ = 5;
+ public static final int SSH_FXP_WRITE = 6;
+ public static final int SSH_FXP_LSTAT = 7;
+ public static final int SSH_FXP_FSTAT = 8;
+ public static final int SSH_FXP_SETSTAT = 9;
+ public static final int SSH_FXP_FSETSTAT = 10;
+ public static final int SSH_FXP_OPENDIR = 11;
+ public static final int SSH_FXP_READDIR = 12;
+ public static final int SSH_FXP_REMOVE = 13;
+ public static final int SSH_FXP_MKDIR = 14;
+ public static final int SSH_FXP_RMDIR = 15;
+ public static final int SSH_FXP_REALPATH = 16;
+ public static final int SSH_FXP_STAT = 17;
+ public static final int SSH_FXP_RENAME = 18;
+ public static final int SSH_FXP_READLINK = 19;
+ public static final int SSH_FXP_SYMLINK = 20; // v3 -> v5
+ public static final int SSH_FXP_LINK = 21; // v6
+ public static final int SSH_FXP_BLOCK = 22; // v6
+ public static final int SSH_FXP_UNBLOCK = 23; // v6
+ public static final int SSH_FXP_STATUS = 101;
+ public static final int SSH_FXP_HANDLE = 102;
+ public static final int SSH_FXP_DATA = 103;
+ public static final int SSH_FXP_NAME = 104;
+ public static final int SSH_FXP_ATTRS = 105;
+ public static final int SSH_FXP_EXTENDED = 200;
+ public static final int SSH_FXP_EXTENDED_REPLY = 201;
+
+ public static final int SSH_FX_OK = 0;
+ public static final int SSH_FX_EOF = 1;
+ public static final int SSH_FX_NO_SUCH_FILE = 2;
+ public static final int SSH_FX_PERMISSION_DENIED = 3;
+ public static final int SSH_FX_FAILURE = 4;
+ public static final int SSH_FX_BAD_MESSAGE = 5;
+ public static final int SSH_FX_NO_CONNECTION = 6;
+ public static final int SSH_FX_CONNECTION_LOST = 7;
+ public static final int SSH_FX_OP_UNSUPPORTED = 8;
+ public static final int SSH_FX_INVALID_HANDLE = 9;
+ public static final int SSH_FX_NO_SUCH_PATH = 10;
+ public static final int SSH_FX_FILE_ALREADY_EXISTS = 11;
+ public static final int SSH_FX_WRITE_PROTECT = 12;
+ public static final int SSH_FX_NO_MEDIA = 13;
+ public static final int SSH_FX_NO_SPACE_ON_FILESYSTEM = 14;
+ public static final int SSH_FX_QUOTA_EXCEEDED = 15;
+ public static final int SSH_FX_UNKNOWN_PRINCIPAL = 16;
+ public static final int SSH_FX_LOCK_CONFLICT = 17;
+ public static final int SSH_FX_DIR_NOT_EMPTY = 18;
+ public static final int SSH_FX_NOT_A_DIRECTORY = 19;
+ public static final int SSH_FX_INVALID_FILENAME = 20;
+ public static final int SSH_FX_LINK_LOOP = 21;
+ public static final int SSH_FX_CANNOT_DELETE = 22;
+ public static final int SSH_FX_INVALID_PARAMETER = 23;
+ public static final int SSH_FX_FILE_IS_A_DIRECTORY = 24;
+ public static final int SSH_FX_BYTE_RANGE_LOCK_CONFLICT = 25;
+ public static final int SSH_FX_BYTE_RANGE_LOCK_REFUSED = 26;
+ public static final int SSH_FX_DELETE_PENDING = 27;
+ public static final int SSH_FX_FILE_CORRUPT = 28;
+ public static final int SSH_FX_OWNER_INVALID = 29;
+ public static final int SSH_FX_GROUP_INVALID = 30;
+ public static final int SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK = 31;
+
+ public static final int SSH_FILEXFER_ATTR_SIZE = 0x00000001;
+ public static final int SSH_FILEXFER_ATTR_UIDGID = 0x00000002;
+ public static final int SSH_FILEXFER_ATTR_PERMISSIONS = 0x00000004;
+ public static final int SSH_FILEXFER_ATTR_ACMODTIME = 0x00000008; // v3 naming convention
+ public static final int SSH_FILEXFER_ATTR_ACCESSTIME = 0x00000008; // v4
+ public static final int SSH_FILEXFER_ATTR_CREATETIME = 0x00000010; // v4
+ public static final int SSH_FILEXFER_ATTR_MODIFYTIME = 0x00000020; // v4
+ public static final int SSH_FILEXFER_ATTR_ACL = 0x00000040; // v4
+ public static final int SSH_FILEXFER_ATTR_OWNERGROUP = 0x00000080; // v4
+ public static final int SSH_FILEXFER_ATTR_SUBSECOND_TIMES = 0x00000100; // v5
+ public static final int SSH_FILEXFER_ATTR_BITS = 0x00000200; // v5
+ public static final int SSH_FILEXFER_ATTR_ALLOCATION_SIZE = 0x00000400; // v6
+ public static final int SSH_FILEXFER_ATTR_TEXT_HINT = 0x00000800; // v6
+ public static final int SSH_FILEXFER_ATTR_MIME_TYPE = 0x00001000; // v6
+ public static final int SSH_FILEXFER_ATTR_LINK_COUNT = 0x00002000; // v6
+ public static final int SSH_FILEXFER_ATTR_UNTRANSLATED_NAME = 0x00004000; // v6
+ public static final int SSH_FILEXFER_ATTR_CTIME = 0x00008000; // v6
+ public static final int SSH_FILEXFER_ATTR_EXTENDED = 0x80000000;
+
+ public static final int SSH_FILEXFER_ATTR_ALL = 0x0000FFFF; // All attributes
+
+ public static final int SSH_FILEXFER_ATTR_FLAGS_READONLY = 0x00000001;
+ public static final int SSH_FILEXFER_ATTR_FLAGS_SYSTEM = 0x00000002;
+ public static final int SSH_FILEXFER_ATTR_FLAGS_HIDDEN = 0x00000004;
+ public static final int SSH_FILEXFER_ATTR_FLAGS_CASE_INSENSITIVE = 0x00000008;
+ public static final int SSH_FILEXFER_ATTR_FLAGS_ARCHIVE = 0x00000010;
+ public static final int SSH_FILEXFER_ATTR_FLAGS_ENCRYPTED = 0x00000020;
+ public static final int SSH_FILEXFER_ATTR_FLAGS_COMPRESSED = 0x00000040;
+ public static final int SSH_FILEXFER_ATTR_FLAGS_SPARSE = 0x00000080;
+ public static final int SSH_FILEXFER_ATTR_FLAGS_APPEND_ONLY = 0x00000100;
+ public static final int SSH_FILEXFER_ATTR_FLAGS_IMMUTABLE = 0x00000200;
+ public static final int SSH_FILEXFER_ATTR_FLAGS_SYNC = 0x00000400;
+
+ public static final int SSH_FILEXFER_TYPE_REGULAR = 1;
+ public static final int SSH_FILEXFER_TYPE_DIRECTORY = 2;
+ public static final int SSH_FILEXFER_TYPE_SYMLINK = 3;
+ public static final int SSH_FILEXFER_TYPE_SPECIAL = 4;
+ public static final int SSH_FILEXFER_TYPE_UNKNOWN = 5;
+ public static final int SSH_FILEXFER_TYPE_SOCKET = 6; // v5
+ public static final int SSH_FILEXFER_TYPE_CHAR_DEVICE = 7; // v5
+ public static final int SSH_FILEXFER_TYPE_BLOCK_DEVICE = 8; // v5
+ public static final int SSH_FILEXFER_TYPE_FIFO = 9; // v5
+
+ public static final int SSH_FXF_READ = 0x00000001;
+ public static final int SSH_FXF_WRITE = 0x00000002;
+ public static final int SSH_FXF_APPEND = 0x00000004;
+ public static final int SSH_FXF_CREAT = 0x00000008;
+ public static final int SSH_FXF_TRUNC = 0x00000010;
+ public static final int SSH_FXF_EXCL = 0x00000020;
+ public static final int SSH_FXF_TEXT = 0x00000040;
+
+ public static final int SSH_FXF_ACCESS_DISPOSITION = 0x00000007;
+ public static final int SSH_FXF_CREATE_NEW = 0x00000000;
+ public static final int SSH_FXF_CREATE_TRUNCATE = 0x00000001;
+ public static final int SSH_FXF_OPEN_EXISTING = 0x00000002;
+ public static final int SSH_FXF_OPEN_OR_CREATE = 0x00000003;
+ public static final int SSH_FXF_TRUNCATE_EXISTING = 0x00000004;
+ public static final int SSH_FXF_APPEND_DATA = 0x00000008;
+ public static final int SSH_FXF_APPEND_DATA_ATOMIC = 0x00000010;
+ public static final int SSH_FXF_TEXT_MODE = 0x00000020;
+ public static final int SSH_FXF_READ_LOCK = 0x00000040;
+ public static final int SSH_FXF_WRITE_LOCK = 0x00000080;
+ public static final int SSH_FXF_DELETE_LOCK = 0x00000100;
+ public static final int SSH_FXF_BLOCK_ADVISORY = 0x00000200;
+ public static final int SSH_FXF_NOFOLLOW = 0x00000400;
+ public static final int SSH_FXF_DELETE_ON_CLOSE = 0x00000800;
+ public static final int SSH_FXF_ACCESS_AUDIT_ALARM_INFO = 0x00001000;
+ public static final int SSH_FXF_ACCESS_BACKUP = 0x00002000;
+ public static final int SSH_FXF_BACKUP_STREAM = 0x00004000;
+ public static final int SSH_FXF_OVERRIDE_OWNER = 0x00008000;
+
+ public static final int SSH_FXP_RENAME_OVERWRITE = 0x00000001;
+ public static final int SSH_FXP_RENAME_ATOMIC = 0x00000002;
+ public static final int SSH_FXP_RENAME_NATIVE = 0x00000004;
+
+ public static final int SSH_FXP_REALPATH_NO_CHECK = 0x00000001;
+ public static final int SSH_FXP_REALPATH_STAT_IF = 0x00000002;
+ public static final int SSH_FXP_REALPATH_STAT_ALWAYS = 0x00000003;
+
+ public static final int SSH_FXF_RENAME_OVERWRITE = 0x00000001;
+ public static final int SSH_FXF_RENAME_ATOMIC = 0x00000002;
+ public static final int SSH_FXF_RENAME_NATIVE = 0x00000004;
+
+ public static final int SFX_ACL_CONTROL_INCLUDED = 0x00000001;
+ public static final int SFX_ACL_CONTROL_PRESENT = 0x00000002;
+ public static final int SFX_ACL_CONTROL_INHERITED = 0x00000004;
+ public static final int SFX_ACL_AUDIT_ALARM_INCLUDED = 0x00000010;
+ public static final int SFX_ACL_AUDIT_ALARM_INHERITED = 0x00000020;
+
+ public static final int ACE4_ACCESS_ALLOWED_ACE_TYPE = 0x00000000;
+ public static final int ACE4_ACCESS_DENIED_ACE_TYPE = 0x00000001;
+ public static final int ACE4_SYSTEM_AUDIT_ACE_TYPE = 0x00000002;
+ public static final int ACE4_SYSTEM_ALARM_ACE_TYPE = 0x00000003;
+
+ public static final int ACE4_FILE_INHERIT_ACE = 0x00000001;
+ public static final int ACE4_DIRECTORY_INHERIT_ACE = 0x00000002;
+ public static final int ACE4_NO_PROPAGATE_INHERIT_ACE = 0x00000004;
+ public static final int ACE4_INHERIT_ONLY_ACE = 0x00000008;
+ public static final int ACE4_SUCCESSFUL_ACCESS_ACE_FLAG = 0x00000010;
+ public static final int ACE4_FAILED_ACCESS_ACE_FLAG = 0x00000020;
+ public static final int ACE4_IDENTIFIER_GROUP = 0x00000040;
+
+ public static final int ACE4_READ_DATA = 0x00000001;
+ public static final int ACE4_LIST_DIRECTORY = 0x00000001;
+ public static final int ACE4_WRITE_DATA = 0x00000002;
+ public static final int ACE4_ADD_FILE = 0x00000002;
+ public static final int ACE4_APPEND_DATA = 0x00000004;
+ public static final int ACE4_ADD_SUBDIRECTORY = 0x00000004;
+ public static final int ACE4_READ_NAMED_ATTRS = 0x00000008;
+ public static final int ACE4_WRITE_NAMED_ATTRS = 0x00000010;
+ public static final int ACE4_EXECUTE = 0x00000020;
+ public static final int ACE4_DELETE_CHILD = 0x00000040;
+ public static final int ACE4_READ_ATTRIBUTES = 0x00000080;
+ public static final int ACE4_WRITE_ATTRIBUTES = 0x00000100;
+ public static final int ACE4_DELETE = 0x00010000;
+ public static final int ACE4_READ_ACL = 0x00020000;
+ public static final int ACE4_WRITE_ACL = 0x00040000;
+ public static final int ACE4_WRITE_OWNER = 0x00080000;
+ public static final int ACE4_SYNCHRONIZE = 0x00100000;
+
+ public static final int S_IFMT = 0170000; // bitmask for the file type bitfields
+ public static final int S_IFSOCK = 0140000; // socket
+ public static final int S_IFLNK = 0120000; // symbolic link
+ public static final int S_IFREG = 0100000; // regular file
+ public static final int S_IFBLK = 0060000; // block device
+ public static final int S_IFDIR = 0040000; // directory
+ public static final int S_IFCHR = 0020000; // character device
+ public static final int S_IFIFO = 0010000; // fifo
+ public static final int S_ISUID = 0004000; // set UID bit
+ public static final int S_ISGID = 0002000; // set GID bit
+ public static final int S_ISVTX = 0001000; // sticky bit
+ public static final int S_IRUSR = 0000400;
+ public static final int S_IWUSR = 0000200;
+ public static final int S_IXUSR = 0000100;
+ public static final int S_IRGRP = 0000040;
+ public static final int S_IWGRP = 0000020;
+ public static final int S_IXGRP = 0000010;
+ public static final int S_IROTH = 0000004;
+ public static final int S_IWOTH = 0000002;
+ public static final int S_IXOTH = 0000001;
+
+ public static final int SFTP_V3 = 3;
+ public static final int SFTP_V4 = 4;
+ public static final int SFTP_V5 = 5;
+ public static final int SFTP_V6 = 6;
+
+ // (Some) names of known extensions
+ public static final String EXT_VERSIONS = "versions";
+ public static final String EXT_NEWLINE = "newline";
+ public static final String EXT_VENDOR_ID = "vendor-id";
+ public static final String EXT_SUPPORTED = "supported";
+ public static final String EXT_SUPPORTED2 = "supported2";
+ public static final String EXT_TEXT_SEEK = "text-seek";
+ public static final String EXT_VERSION_SELECT = "version-select";
+ public static final String EXT_COPY_FILE = "copy-file";
+
+ public static final String EXT_MD5_HASH = "md5-hash";
+ public static final String EXT_MD5_HASH_HANDLE = "md5-hash-handle";
+ public static final int MD5_QUICK_HASH_SIZE = 2048;
+
+ public static final String EXT_CHECK_FILE_HANDLE = "check-file-handle";
+ public static final String EXT_CHECK_FILE_NAME = "check-file-name";
+ public static final int MIN_CHKFILE_BLOCKSIZE = 256;
+
+ public static final String EXT_CHECK_FILE = "check-file";
+ public static final String EXT_COPY_DATA = "copy-data";
+ public static final String EXT_SPACE_AVAILABLE = "space-available";
+
+ // see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-11 section 5.4
+ public static final String EXT_ACL_SUPPORTED = "acl-supported";
+ public static final int SSH_ACL_CAP_ALLOW = 0x00000001;
+ public static final int SSH_ACL_CAP_DENY = 0x00000002;
+ public static final int SSH_ACL_CAP_AUDIT = 0x00000004;
+ public static final int SSH_ACL_CAP_ALARM = 0x00000008;
+ public static final int SSH_ACL_CAP_INHERIT_ACCESS = 0x00000010;
+ public static final int SSH_ACL_CAP_INHERIT_AUDIT_ALARM = 0x00000020;
+
+ private SftpConstants() {
+ throw new UnsupportedOperationException("No instance");
+ }
+
+ private static class LazyCommandNameHolder {
+ private static final Map<Integer, String> NAMES_MAP =
+ Collections.unmodifiableMap(
+ LoggingUtils.generateMnemonicMap(SftpConstants.class, f -> {
+ String name = f.getName();
+ return name.startsWith("SSH_FXP_")
+ // exclude the rename modes which are not opcodes
+ && (!name.startsWith("SSH_FXP_RENAME_"))
+ // exclude the realpath modes wich are not opcodes
+ && (!name.startsWith("SSH_FXP_REALPATH_"));
+ }));
+ }
+
+ /**
+ * Converts a command value to a user-friendly name
+ *
+ * @param cmd The command value
+ * @return The user-friendly name - if not one of the defined {@code SSH_FXP_XXX}
+ * values then returns the string representation of the command's value
+ */
+ public static String getCommandMessageName(int cmd) {
+ @SuppressWarnings("synthetic-access")
+ String name = LazyCommandNameHolder.NAMES_MAP.get(cmd);
+ if (GenericUtils.isEmpty(name)) {
+ return Integer.toString(cmd);
+ } else {
+ return name;
+ }
+ }
+
+ private static class LazyStatusNameHolder {
+ private static final Map<Integer, String> STATUS_MAP =
+ Collections.unmodifiableMap(LoggingUtils.generateMnemonicMap(SftpConstants.class, "SSH_FX_"));
+ }
+
+ /**
+ * Converts a return status value to a user-friendly name
+ *
+ * @param status The status value
+ * @return The user-friendly name - if not one of the defined {@code SSH_FX_XXX}
+ * values then returns the string representation of the status value
+ */
+ public static String getStatusName(int status) {
+ @SuppressWarnings("synthetic-access")
+ String name = LazyStatusNameHolder.STATUS_MAP.get(status);
+ if (GenericUtils.isEmpty(name)) {
+ return Integer.toString(status);
+ } else {
+ return name;
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpException.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpException.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpException.java
new file mode 100644
index 0000000..b7fd157
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpException.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.common.subsystem.sftp;
+
+import java.io.IOException;
+
+/**
+ * @author <a href="http://mina.apache.org">Apache MINA Project</a>
+ */
+public class SftpException extends IOException {
+ private static final long serialVersionUID = 8096963562429466995L;
+ private final int status;
+
+ public SftpException(int status, String msg) {
+ super(msg);
+ this.status = status;
+ }
+
+ public int getStatus() {
+ return status;
+ }
+
+ @Override
+ public String toString() {
+ return "SFTP error (" + SftpConstants.getStatusName(getStatus()) + "): " + getMessage();
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpHelper.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpHelper.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpHelper.java
new file mode 100644
index 0000000..9404e1e
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpHelper.java
@@ -0,0 +1,1114 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.common.subsystem.sftp;
+
+import java.io.EOFException;
+import java.io.FileNotFoundException;
+import java.net.UnknownServiceException;
+import java.nio.channels.OverlappingFileLockException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.AccessDeniedException;
+import java.nio.file.DirectoryNotEmptyException;
+import java.nio.file.FileAlreadyExistsException;
+import java.nio.file.FileSystemLoopException;
+import java.nio.file.InvalidPathException;
+import java.nio.file.NoSuchFileException;
+import java.nio.file.NotDirectoryException;
+import java.nio.file.attribute.AclEntry;
+import java.nio.file.attribute.AclEntryFlag;
+import java.nio.file.attribute.AclEntryPermission;
+import java.nio.file.attribute.AclEntryType;
+import java.nio.file.attribute.FileTime;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.PosixFilePermissions;
+import java.nio.file.attribute.UserPrincipal;
+import java.nio.file.attribute.UserPrincipalNotFoundException;
+import java.security.Principal;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Map;
+import java.util.NavigableMap;
+import java.util.Objects;
+import java.util.Set;
+import java.util.TreeMap;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.sshd.common.PropertyResolver;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.OsUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
+import org.apache.sshd.server.subsystem.sftp.DefaultGroupPrincipal;
+import org.apache.sshd.server.subsystem.sftp.InvalidHandleException;
+import org.apache.sshd.server.subsystem.sftp.UnixDateFormat;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public final class SftpHelper {
+ /**
+ * Used to control whether to append the end-of-list indicator for
+ * SSH_FXP_NAME responses via {@link #indicateEndOfNamesList(Buffer, int, PropertyResolver, Boolean)}
+ * call, as indicated by <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4">SFTP v6 - section 9.4</A>
+ */
+ public static final String APPEND_END_OF_LIST_INDICATOR = "sftp-append-eol-indicator";
+
+ /**
+ * Default value for {@link #APPEND_END_OF_LIST_INDICATOR} if none configured
+ */
+ public static final boolean DEFAULT_APPEND_END_OF_LIST_INDICATOR = true;
+
+ public static final NavigableMap<Integer, String> DEFAULT_SUBSTATUS_MESSAGE =
+ Collections.unmodifiableNavigableMap(new TreeMap<Integer, String>(Comparator.naturalOrder()) {
+ // Not serializing it
+ private static final long serialVersionUID = 1L;
+
+ {
+ put(SftpConstants.SSH_FX_OK, "Success");
+ put(SftpConstants.SSH_FX_EOF, "End of file");
+ put(SftpConstants.SSH_FX_NO_SUCH_FILE, "No such file or directory");
+ put(SftpConstants.SSH_FX_PERMISSION_DENIED, "Permission denied");
+ put(SftpConstants.SSH_FX_FAILURE, "General failure");
+ put(SftpConstants.SSH_FX_BAD_MESSAGE, "Bad message data");
+ put(SftpConstants.SSH_FX_NO_CONNECTION, "No connection to server");
+ put(SftpConstants.SSH_FX_CONNECTION_LOST, "Connection lost");
+ put(SftpConstants.SSH_FX_OP_UNSUPPORTED, "Unsupported operation requested");
+ put(SftpConstants.SSH_FX_INVALID_HANDLE, "Invalid handle value");
+ put(SftpConstants.SSH_FX_NO_SUCH_PATH, "No such path");
+ put(SftpConstants.SSH_FX_FILE_ALREADY_EXISTS, "File/Directory already exists");
+ put(SftpConstants.SSH_FX_WRITE_PROTECT, "File/Directory is write-protected");
+ put(SftpConstants.SSH_FX_NO_MEDIA, "No such meadia");
+ put(SftpConstants.SSH_FX_NO_SPACE_ON_FILESYSTEM, "No space left on device");
+ put(SftpConstants.SSH_FX_QUOTA_EXCEEDED, "Quota exceeded");
+ put(SftpConstants.SSH_FX_UNKNOWN_PRINCIPAL, "Unknown user/group");
+ put(SftpConstants.SSH_FX_LOCK_CONFLICT, "Lock conflict");
+ put(SftpConstants.SSH_FX_DIR_NOT_EMPTY, "Directory not empty");
+ put(SftpConstants.SSH_FX_NOT_A_DIRECTORY, "Accessed location is not a directory");
+ put(SftpConstants.SSH_FX_INVALID_FILENAME, "Invalid filename");
+ put(SftpConstants.SSH_FX_LINK_LOOP, "Link loop");
+ put(SftpConstants.SSH_FX_CANNOT_DELETE, "Cannot remove");
+ put(SftpConstants.SSH_FX_INVALID_PARAMETER, "Invalid parameter");
+ put(SftpConstants.SSH_FX_FILE_IS_A_DIRECTORY, "Accessed location is a directory");
+ put(SftpConstants.SSH_FX_BYTE_RANGE_LOCK_CONFLICT, "Range lock conflict");
+ put(SftpConstants.SSH_FX_BYTE_RANGE_LOCK_REFUSED, "Range lock refused");
+ put(SftpConstants.SSH_FX_DELETE_PENDING, "Delete pending");
+ put(SftpConstants.SSH_FX_FILE_CORRUPT, "Corrupted file/directory");
+ put(SftpConstants.SSH_FX_OWNER_INVALID, "Invalid file/directory owner");
+ put(SftpConstants.SSH_FX_GROUP_INVALID, "Invalid file/directory group");
+ put(SftpConstants.SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK, "No matching byte range lock");
+ }
+ });
+
+ private SftpHelper() {
+ throw new UnsupportedOperationException("No instance allowed");
+ }
+
+ /**
+ * Retrieves the end-of-file indicator for {@code SSH_FXP_DATA} responses, provided
+ * the version is at least 6, and the buffer has enough available data
+ *
+ * @param buffer The {@link Buffer} to retrieve the data from
+ * @param version The SFTP version being used
+ * @return The indicator value - {@code null} if none retrieved
+ * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.3">SFTP v6 - section 9.3</A>
+ */
+ public static Boolean getEndOfFileIndicatorValue(Buffer buffer, int version) {
+ return (version < SftpConstants.SFTP_V6) || (buffer.available() < 1) ? null : buffer.getBoolean();
+ }
+
+ /**
+ * Retrieves the end-of-list indicator for {@code SSH_FXP_NAME} responses, provided
+ * the version is at least 6, and the buffer has enough available data
+ *
+ * @param buffer The {@link Buffer} to retrieve the data from
+ * @param version The SFTP version being used
+ * @return The indicator value - {@code null} if none retrieved
+ * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4">SFTP v6 - section 9.4</A>
+ * @see #indicateEndOfNamesList(Buffer, int, PropertyResolver, Boolean)
+ */
+ public static Boolean getEndOfListIndicatorValue(Buffer buffer, int version) {
+ return (version < SftpConstants.SFTP_V6) || (buffer.available() < 1) ? null : buffer.getBoolean();
+ }
+
+ /**
+ * Appends the end-of-list={@code TRUE} indicator for {@code SSH_FXP_NAME} responses, provided
+ * the version is at least 6 and the feature is enabled
+ *
+ * @param buffer The {@link Buffer} to append the indicator
+ * @param version The SFTP version being used
+ * @param resolver The {@link PropertyResolver} to query whether to enable the feature
+ * @return The actual indicator value used - {@code null} if none appended
+ * @see #indicateEndOfNamesList(Buffer, int, PropertyResolver, boolean)
+ */
+ public static Boolean indicateEndOfNamesList(Buffer buffer, int version, PropertyResolver resolver) {
+ return indicateEndOfNamesList(buffer, version, resolver, true);
+ }
+
+ /**
+ * Appends the end-of-list indicator for {@code SSH_FXP_NAME} responses, provided the version
+ * is at least 6, the feature is enabled and the indicator value is not {@code null}
+ *
+ * @param buffer The {@link Buffer} to append the indicator
+ * @param version The SFTP version being used
+ * @param resolver The {@link PropertyResolver} to query whether to enable the feature
+ * @param indicatorValue The indicator value - {@code null} means don't append the indicator
+ * @return The actual indicator value used - {@code null} if none appended
+ * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4">SFTP v6 - section 9.4</A>
+ * @see #APPEND_END_OF_LIST_INDICATOR
+ * @see #DEFAULT_APPEND_END_OF_LIST_INDICATOR
+ */
+ public static Boolean indicateEndOfNamesList(Buffer buffer, int version, PropertyResolver resolver, boolean indicatorValue) {
+ if (version < SftpConstants.SFTP_V6) {
+ return null;
+ }
+
+ if (!resolver.getBooleanProperty(APPEND_END_OF_LIST_INDICATOR, DEFAULT_APPEND_END_OF_LIST_INDICATOR)) {
+ return null;
+ }
+
+ buffer.putBoolean(indicatorValue);
+ return indicatorValue;
+ }
+
+ /**
+ * Writes a file / folder's attributes to a buffer
+ *
+ * @param <B> Type of {@link Buffer} being updated
+ * @param buffer The target buffer instance
+ * @param version The output encoding version
+ * @param attributes The {@link Map} of attributes
+ * @return The updated buffer
+ * @see #writeAttrsV3(Buffer, int, Map)
+ * @see #writeAttrsV4(Buffer, int, Map)
+ */
+ public static <B extends Buffer> B writeAttrs(B buffer, int version, Map<String, ?> attributes) {
+ if (version == SftpConstants.SFTP_V3) {
+ return writeAttrsV3(buffer, version, attributes);
+ } else if (version >= SftpConstants.SFTP_V4) {
+ return writeAttrsV4(buffer, version, attributes);
+ } else {
+ throw new IllegalStateException("Unsupported SFTP version: " + version);
+ }
+ }
+
+ /**
+ * Writes the retrieved file / directory attributes in V3 format
+ *
+ * @param <B> Type of {@link Buffer} being updated
+ * @param buffer The target buffer instance
+ * @param version The actual version - must be {@link SftpConstants#SFTP_V3}
+ * @param attributes The {@link Map} of attributes
+ * @return The updated buffer
+ */
+ public static <B extends Buffer> B writeAttrsV3(B buffer, int version, Map<String, ?> attributes) {
+ ValidateUtils.checkTrue(version == SftpConstants.SFTP_V3, "Illegal version: %d", version);
+
+ boolean isReg = getBool((Boolean) attributes.get("isRegularFile"));
+ boolean isDir = getBool((Boolean) attributes.get("isDirectory"));
+ boolean isLnk = getBool((Boolean) attributes.get("isSymbolicLink"));
+ @SuppressWarnings("unchecked")
+ Collection<PosixFilePermission> perms = (Collection<PosixFilePermission>) attributes.get("permissions");
+ Number size = (Number) attributes.get("size");
+ FileTime lastModifiedTime = (FileTime) attributes.get("lastModifiedTime");
+ FileTime lastAccessTime = (FileTime) attributes.get("lastAccessTime");
+ Map<?, ?> extensions = (Map<?, ?>) attributes.get("extended");
+ int flags = ((isReg || isLnk) && (size != null) ? SftpConstants.SSH_FILEXFER_ATTR_SIZE : 0)
+ | (attributes.containsKey("uid") && attributes.containsKey("gid") ? SftpConstants.SSH_FILEXFER_ATTR_UIDGID : 0)
+ | ((perms != null) ? SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS : 0)
+ | (((lastModifiedTime != null) && (lastAccessTime != null)) ? SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME : 0)
+ | ((extensions != null) ? SftpConstants.SSH_FILEXFER_ATTR_EXTENDED : 0);
+ buffer.putInt(flags);
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
+ buffer.putLong(size.longValue());
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_UIDGID) != 0) {
+ buffer.putInt(((Number) attributes.get("uid")).intValue());
+ buffer.putInt(((Number) attributes.get("gid")).intValue());
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
+ buffer.putInt(attributesToPermissions(isReg, isDir, isLnk, perms));
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME) != 0) {
+ buffer = writeTime(buffer, version, flags, lastAccessTime);
+ buffer = writeTime(buffer, version, flags, lastModifiedTime);
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
+ buffer = writeExtensions(buffer, extensions);
+ }
+
+ return buffer;
+ }
+
+ /**
+ * Writes the retrieved file / directory attributes in V4+ format
+ *
+ * @param <B> Type of {@link Buffer} being updated
+ * @param buffer The target buffer instance
+ * @param version The actual version - must be at least {@link SftpConstants#SFTP_V4}
+ * @param attributes The {@link Map} of attributes
+ * @return The updated buffer
+ */
+ public static <B extends Buffer> B writeAttrsV4(B buffer, int version, Map<String, ?> attributes) {
+ ValidateUtils.checkTrue(version >= SftpConstants.SFTP_V4, "Illegal version: %d", version);
+
+ boolean isReg = getBool((Boolean) attributes.get("isRegularFile"));
+ boolean isDir = getBool((Boolean) attributes.get("isDirectory"));
+ boolean isLnk = getBool((Boolean) attributes.get("isSymbolicLink"));
+ @SuppressWarnings("unchecked")
+ Collection<PosixFilePermission> perms = (Collection<PosixFilePermission>) attributes.get("permissions");
+ Number size = (Number) attributes.get("size");
+ FileTime lastModifiedTime = (FileTime) attributes.get("lastModifiedTime");
+ FileTime lastAccessTime = (FileTime) attributes.get("lastAccessTime");
+ FileTime creationTime = (FileTime) attributes.get("creationTime");
+ @SuppressWarnings("unchecked")
+ Collection<AclEntry> acl = (Collection<AclEntry>) attributes.get("acl");
+ Map<?, ?> extensions = (Map<?, ?>) attributes.get("extended");
+ int flags = (((isReg || isLnk) && (size != null)) ? SftpConstants.SSH_FILEXFER_ATTR_SIZE : 0)
+ | ((attributes.containsKey("owner") && attributes.containsKey("group")) ? SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP : 0)
+ | ((perms != null) ? SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS : 0)
+ | ((lastModifiedTime != null) ? SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME : 0)
+ | ((creationTime != null) ? SftpConstants.SSH_FILEXFER_ATTR_CREATETIME : 0)
+ | ((lastAccessTime != null) ? SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME : 0)
+ | ((acl != null) ? SftpConstants.SSH_FILEXFER_ATTR_ACL : 0)
+ | ((extensions != null) ? SftpConstants.SSH_FILEXFER_ATTR_EXTENDED : 0);
+ buffer.putInt(flags);
+ buffer.putByte((byte) (isReg ? SftpConstants.SSH_FILEXFER_TYPE_REGULAR
+ : isDir ? SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY
+ : isLnk ? SftpConstants.SSH_FILEXFER_TYPE_SYMLINK
+ : SftpConstants.SSH_FILEXFER_TYPE_UNKNOWN));
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
+ buffer.putLong(size.longValue());
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP) != 0) {
+ buffer.putString(Objects.toString(attributes.get("owner"), SftpUniversalOwnerAndGroup.Owner.getName()));
+ buffer.putString(Objects.toString(attributes.get("group"), SftpUniversalOwnerAndGroup.Group.getName()));
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
+ buffer.putInt(attributesToPermissions(isReg, isDir, isLnk, perms));
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME) != 0) {
+ buffer = writeTime(buffer, version, flags, lastAccessTime);
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_CREATETIME) != 0) {
+ buffer = writeTime(buffer, version, flags, lastAccessTime);
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME) != 0) {
+ buffer = writeTime(buffer, version, flags, lastModifiedTime);
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACL) != 0) {
+ buffer = writeACLs(buffer, version, acl);
+ }
+ // TODO: ctime
+ // TODO: bits
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
+ buffer = writeExtensions(buffer, extensions);
+ }
+
+ return buffer;
+ }
+
+ /**
+ * @param bool The {@link Boolean} value
+ * @return {@code true} it the argument is non-{@code null} and
+ * its {@link Boolean#booleanValue()} is {@code true}
+ */
+ public static boolean getBool(Boolean bool) {
+ return bool != null && bool;
+ }
+
+ /**
+ * Converts a file / folder's attributes into a mask
+ *
+ * @param isReg {@code true} if this is a normal file
+ * @param isDir {@code true} if this is a directory
+ * @param isLnk {@code true} if this is a symbolic link
+ * @param perms The file / folder's access {@link PosixFilePermission}s
+ * @return A mask encoding the file / folder's attributes
+ */
+ public static int attributesToPermissions(boolean isReg, boolean isDir, boolean isLnk, Collection<PosixFilePermission> perms) {
+ int pf = 0;
+ if (perms != null) {
+ for (PosixFilePermission p : perms) {
+ switch (p) {
+ case OWNER_READ:
+ pf |= SftpConstants.S_IRUSR;
+ break;
+ case OWNER_WRITE:
+ pf |= SftpConstants.S_IWUSR;
+ break;
+ case OWNER_EXECUTE:
+ pf |= SftpConstants.S_IXUSR;
+ break;
+ case GROUP_READ:
+ pf |= SftpConstants.S_IRGRP;
+ break;
+ case GROUP_WRITE:
+ pf |= SftpConstants.S_IWGRP;
+ break;
+ case GROUP_EXECUTE:
+ pf |= SftpConstants.S_IXGRP;
+ break;
+ case OTHERS_READ:
+ pf |= SftpConstants.S_IROTH;
+ break;
+ case OTHERS_WRITE:
+ pf |= SftpConstants.S_IWOTH;
+ break;
+ case OTHERS_EXECUTE:
+ pf |= SftpConstants.S_IXOTH;
+ break;
+ default: // ignored
+ }
+ }
+ }
+ pf |= isReg ? SftpConstants.S_IFREG : 0;
+ pf |= isDir ? SftpConstants.S_IFDIR : 0;
+ pf |= isLnk ? SftpConstants.S_IFLNK : 0;
+ return pf;
+ }
+
+ /**
+ * Converts a POSIX permissions mask to a file type value
+ *
+ * @param perms The POSIX permissions mask
+ * @return The file type - see {@code SSH_FILEXFER_TYPE_xxx} values
+ */
+ public static int permissionsToFileType(int perms) {
+ if ((SftpConstants.S_IFLNK & perms) == SftpConstants.S_IFLNK) {
+ return SftpConstants.SSH_FILEXFER_TYPE_SYMLINK;
+ } else if ((SftpConstants.S_IFREG & perms) == SftpConstants.S_IFREG) {
+ return SftpConstants.SSH_FILEXFER_TYPE_REGULAR;
+ } else if ((SftpConstants.S_IFDIR & perms) == SftpConstants.S_IFDIR) {
+ return SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY;
+ } else if ((SftpConstants.S_IFSOCK & perms) == SftpConstants.S_IFSOCK) {
+ return SftpConstants.SSH_FILEXFER_TYPE_SOCKET;
+ } else if ((SftpConstants.S_IFBLK & perms) == SftpConstants.S_IFBLK) {
+ return SftpConstants.SSH_FILEXFER_TYPE_BLOCK_DEVICE;
+ } else if ((SftpConstants.S_IFCHR & perms) == SftpConstants.S_IFCHR) {
+ return SftpConstants.SSH_FILEXFER_TYPE_CHAR_DEVICE;
+ } else if ((SftpConstants.S_IFIFO & perms) == SftpConstants.S_IFIFO) {
+ return SftpConstants.SSH_FILEXFER_TYPE_FIFO;
+ } else {
+ return SftpConstants.SSH_FILEXFER_TYPE_UNKNOWN;
+ }
+ }
+
+ /**
+ * Converts a file type into a POSIX permission mask value
+
+ * @param type File type - see {@code SSH_FILEXFER_TYPE_xxx} values
+ * @return The matching POSIX permission mask value
+ */
+ public static int fileTypeToPermission(int type) {
+ switch (type) {
+ case SftpConstants.SSH_FILEXFER_TYPE_REGULAR:
+ return SftpConstants.S_IFREG;
+ case SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY:
+ return SftpConstants.S_IFDIR;
+ case SftpConstants.SSH_FILEXFER_TYPE_SYMLINK:
+ return SftpConstants.S_IFLNK;
+ case SftpConstants.SSH_FILEXFER_TYPE_SOCKET:
+ return SftpConstants.S_IFSOCK;
+ case SftpConstants.SSH_FILEXFER_TYPE_BLOCK_DEVICE:
+ return SftpConstants.S_IFBLK;
+ case SftpConstants.SSH_FILEXFER_TYPE_CHAR_DEVICE:
+ return SftpConstants.S_IFCHR;
+ case SftpConstants.SSH_FILEXFER_TYPE_FIFO:
+ return SftpConstants.S_IFIFO;
+ default:
+ return 0;
+ }
+ }
+
+ /**
+ * Translates a mask of permissions into its enumeration values equivalents
+ *
+ * @param perms The permissions mask
+ * @return A {@link Set} of the equivalent {@link PosixFilePermission}s
+ */
+ public static Set<PosixFilePermission> permissionsToAttributes(int perms) {
+ Set<PosixFilePermission> p = EnumSet.noneOf(PosixFilePermission.class);
+ if ((perms & SftpConstants.S_IRUSR) != 0) {
+ p.add(PosixFilePermission.OWNER_READ);
+ }
+ if ((perms & SftpConstants.S_IWUSR) != 0) {
+ p.add(PosixFilePermission.OWNER_WRITE);
+ }
+ if ((perms & SftpConstants.S_IXUSR) != 0) {
+ p.add(PosixFilePermission.OWNER_EXECUTE);
+ }
+ if ((perms & SftpConstants.S_IRGRP) != 0) {
+ p.add(PosixFilePermission.GROUP_READ);
+ }
+ if ((perms & SftpConstants.S_IWGRP) != 0) {
+ p.add(PosixFilePermission.GROUP_WRITE);
+ }
+ if ((perms & SftpConstants.S_IXGRP) != 0) {
+ p.add(PosixFilePermission.GROUP_EXECUTE);
+ }
+ if ((perms & SftpConstants.S_IROTH) != 0) {
+ p.add(PosixFilePermission.OTHERS_READ);
+ }
+ if ((perms & SftpConstants.S_IWOTH) != 0) {
+ p.add(PosixFilePermission.OTHERS_WRITE);
+ }
+ if ((perms & SftpConstants.S_IXOTH) != 0) {
+ p.add(PosixFilePermission.OTHERS_EXECUTE);
+ }
+ return p;
+ }
+
+ /**
+ * Returns the most adequate sub-status for the provided exception
+ *
+ * @param t The thrown {@link Throwable}
+ * @return The matching sub-status
+ */
+ @SuppressWarnings("checkstyle:ReturnCount")
+ public static int resolveSubstatus(Throwable t) {
+ if ((t instanceof NoSuchFileException) || (t instanceof FileNotFoundException)) {
+ return SftpConstants.SSH_FX_NO_SUCH_FILE;
+ } else if (t instanceof InvalidHandleException) {
+ return SftpConstants.SSH_FX_INVALID_HANDLE;
+ } else if (t instanceof FileAlreadyExistsException) {
+ return SftpConstants.SSH_FX_FILE_ALREADY_EXISTS;
+ } else if (t instanceof DirectoryNotEmptyException) {
+ return SftpConstants.SSH_FX_DIR_NOT_EMPTY;
+ } else if (t instanceof NotDirectoryException) {
+ return SftpConstants.SSH_FX_NOT_A_DIRECTORY;
+ } else if (t instanceof AccessDeniedException) {
+ return SftpConstants.SSH_FX_PERMISSION_DENIED;
+ } else if (t instanceof EOFException) {
+ return SftpConstants.SSH_FX_EOF;
+ } else if (t instanceof OverlappingFileLockException) {
+ return SftpConstants.SSH_FX_LOCK_CONFLICT;
+ } else if ((t instanceof UnsupportedOperationException)
+ || (t instanceof UnknownServiceException)) {
+ return SftpConstants.SSH_FX_OP_UNSUPPORTED;
+ } else if (t instanceof InvalidPathException) {
+ return SftpConstants.SSH_FX_INVALID_FILENAME;
+ } else if (t instanceof IllegalArgumentException) {
+ return SftpConstants.SSH_FX_INVALID_PARAMETER;
+ } else if (t instanceof UserPrincipalNotFoundException) {
+ return SftpConstants.SSH_FX_UNKNOWN_PRINCIPAL;
+ } else if (t instanceof FileSystemLoopException) {
+ return SftpConstants.SSH_FX_LINK_LOOP;
+ } else if (t instanceof SftpException) {
+ return ((SftpException) t).getStatus();
+ } else {
+ return SftpConstants.SSH_FX_FAILURE;
+ }
+ }
+
+ public static String resolveStatusMessage(int subStatus) {
+ String message = DEFAULT_SUBSTATUS_MESSAGE.get(subStatus);
+ return GenericUtils.isEmpty(message) ? ("Unknown error: " + subStatus) : message;
+ }
+
+ public static NavigableMap<String, Object> readAttrs(Buffer buffer, int version) {
+ NavigableMap<String, Object> attrs = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ int flags = buffer.getInt();
+ if (version >= SftpConstants.SFTP_V4) {
+ int type = buffer.getUByte();
+ switch (type) {
+ case SftpConstants.SSH_FILEXFER_TYPE_REGULAR:
+ attrs.put("isRegular", Boolean.TRUE);
+ break;
+ case SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY:
+ attrs.put("isDirectory", Boolean.TRUE);
+ break;
+ case SftpConstants.SSH_FILEXFER_TYPE_SYMLINK:
+ attrs.put("isSymbolicLink", Boolean.TRUE);
+ break;
+ case SftpConstants.SSH_FILEXFER_TYPE_SOCKET:
+ case SftpConstants.SSH_FILEXFER_TYPE_CHAR_DEVICE:
+ case SftpConstants.SSH_FILEXFER_TYPE_BLOCK_DEVICE:
+ case SftpConstants.SSH_FILEXFER_TYPE_FIFO:
+ attrs.put("isOther", Boolean.TRUE);
+ break;
+ default: // ignored
+ }
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
+ attrs.put("size", buffer.getLong());
+ }
+
+ if (version == SftpConstants.SFTP_V3) {
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_UIDGID) != 0) {
+ attrs.put("uid", buffer.getInt());
+ attrs.put("gid", buffer.getInt());
+ }
+ } else {
+ if ((version >= SftpConstants.SFTP_V6) && ((flags & SftpConstants.SSH_FILEXFER_ATTR_ALLOCATION_SIZE) != 0)) {
+ @SuppressWarnings("unused")
+ long allocSize = buffer.getLong(); // TODO handle allocation size
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP) != 0) {
+ attrs.put("owner", new DefaultGroupPrincipal(buffer.getString()));
+ attrs.put("group", new DefaultGroupPrincipal(buffer.getString()));
+ }
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
+ attrs.put("permissions", permissionsToAttributes(buffer.getInt()));
+ }
+
+ if (version == SftpConstants.SFTP_V3) {
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACMODTIME) != 0) {
+ attrs.put("lastAccessTime", readTime(buffer, version, flags));
+ attrs.put("lastModifiedTime", readTime(buffer, version, flags));
+ }
+ } else if (version >= SftpConstants.SFTP_V4) {
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME) != 0) {
+ attrs.put("lastAccessTime", readTime(buffer, version, flags));
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_CREATETIME) != 0) {
+ attrs.put("creationTime", readTime(buffer, version, flags));
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME) != 0) {
+ attrs.put("lastModifiedTime", readTime(buffer, version, flags));
+ }
+ if ((version >= SftpConstants.SFTP_V6) && (flags & SftpConstants.SSH_FILEXFER_ATTR_CTIME) != 0) {
+ attrs.put("ctime", readTime(buffer, version, flags));
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACL) != 0) {
+ attrs.put("acl", readACLs(buffer, version));
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_BITS) != 0) {
+ @SuppressWarnings("unused")
+ int bits = buffer.getInt();
+ @SuppressWarnings("unused")
+ int valid = 0xffffffff;
+ if (version >= SftpConstants.SFTP_V6) {
+ valid = buffer.getInt();
+ }
+ // TODO: handle attrib bits
+ }
+
+ if (version >= SftpConstants.SFTP_V6) {
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_TEXT_HINT) != 0) {
+ @SuppressWarnings("unused")
+ boolean text = buffer.getBoolean(); // TODO: handle text
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MIME_TYPE) != 0) {
+ @SuppressWarnings("unused")
+ String mimeType = buffer.getString(); // TODO: handle mime-type
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_LINK_COUNT) != 0) {
+ @SuppressWarnings("unused")
+ int nlink = buffer.getInt(); // TODO: handle link-count
+ }
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_UNTRANSLATED_NAME) != 0) {
+ @SuppressWarnings("unused")
+ String untranslated = buffer.getString(); // TODO: handle untranslated-name
+ }
+ }
+ }
+
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
+ attrs.put("extended", readExtensions(buffer));
+ }
+
+ return attrs;
+ }
+
+ public static NavigableMap<String, byte[]> readExtensions(Buffer buffer) {
+ int count = buffer.getInt();
+ // NOTE
+ NavigableMap<String, byte[]> extended = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ for (int i = 0; i < count; i++) {
+ String key = buffer.getString();
+ byte[] val = buffer.getBytes();
+ byte[] prev = extended.put(key, val);
+ ValidateUtils.checkTrue(prev == null, "Duplicate values for extended key=%s", key);
+ }
+
+ return extended;
+ }
+
+ public static <B extends Buffer> B writeExtensions(B buffer, Map<?, ?> extensions) {
+ int numExtensions = GenericUtils.size(extensions);
+ buffer.putInt(numExtensions);
+ if (numExtensions <= 0) {
+ return buffer;
+ }
+
+ extensions.forEach((key, value) -> {
+ Objects.requireNonNull(key, "No extension type");
+ Objects.requireNonNull(value, "No extension value");
+ buffer.putString(key.toString());
+ if (value instanceof byte[]) {
+ buffer.putBytes((byte[]) value);
+ } else {
+ buffer.putString(value.toString());
+ }
+ });
+
+ return buffer;
+ }
+
+ public static NavigableMap<String, String> toStringExtensions(Map<String, ?> extensions) {
+ if (GenericUtils.isEmpty(extensions)) {
+ return Collections.emptyNavigableMap();
+ }
+
+ // NOTE: even though extensions are probably case sensitive we do not allow duplicate name that differs only in case
+ NavigableMap<String, String> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ extensions.forEach((key, value) -> {
+ ValidateUtils.checkNotNull(value, "No value for extension=%s", key);
+ String prev = map.put(key, (value instanceof byte[]) ? new String((byte[]) value, StandardCharsets.UTF_8) : value.toString());
+ ValidateUtils.checkTrue(prev == null, "Multiple values for extension=%s", key);
+ });
+
+ return map;
+ }
+
+ public static NavigableMap<String, byte[]> toBinaryExtensions(Map<String, String> extensions) {
+ if (GenericUtils.isEmpty(extensions)) {
+ return Collections.emptyNavigableMap();
+ }
+
+ // NOTE: even though extensions are probably case sensitive we do not allow duplicate name that differs only in case
+ NavigableMap<String, byte[]> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ extensions.forEach((key, value) -> {
+ ValidateUtils.checkNotNull(value, "No value for extension=%s", key);
+ byte[] prev = map.put(key, value.getBytes(StandardCharsets.UTF_8));
+ ValidateUtils.checkTrue(prev == null, "Multiple values for extension=%s", key);
+ });
+
+ return map;
+ }
+
+ // for v4,5 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#page-15
+ // for v6 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-21
+ public static List<AclEntry> readACLs(Buffer buffer, int version) {
+ int aclSize = buffer.getInt();
+ int startPos = buffer.rpos();
+ Buffer aclBuffer = new ByteArrayBuffer(buffer.array(), startPos, aclSize, true);
+ List<AclEntry> acl = decodeACLs(aclBuffer, version);
+ buffer.rpos(startPos + aclSize);
+ return acl;
+ }
+
+ public static List<AclEntry> decodeACLs(Buffer buffer, int version) {
+ @SuppressWarnings("unused")
+ int aclFlags = 0; // TODO handle ACL flags
+ if (version >= SftpConstants.SFTP_V6) {
+ aclFlags = buffer.getInt();
+ }
+
+ int count = buffer.getInt();
+ // NOTE: although the value is defined as UINT32 we do not expected a count greater than Integer.MAX_VALUE
+ ValidateUtils.checkTrue(count >= 0, "Invalid ACL entries count: %d", count);
+ if (count == 0) {
+ return Collections.emptyList();
+ }
+
+ List<AclEntry> acls = new ArrayList<>(count);
+ for (int i = 0; i < count; i++) {
+ int aclType = buffer.getInt();
+ int aclFlag = buffer.getInt();
+ int aclMask = buffer.getInt();
+ String aclWho = buffer.getString();
+ acls.add(buildAclEntry(aclType, aclFlag, aclMask, aclWho));
+ }
+
+ return acls;
+ }
+
+ public static AclEntry buildAclEntry(int aclType, int aclFlag, int aclMask, String aclWho) {
+ UserPrincipal who = new DefaultGroupPrincipal(aclWho);
+ return AclEntry.newBuilder()
+ .setType(ValidateUtils.checkNotNull(decodeAclEntryType(aclType), "Unknown ACL type: %d", aclType))
+ .setFlags(decodeAclFlags(aclFlag))
+ .setPermissions(decodeAclMask(aclMask))
+ .setPrincipal(who)
+ .build();
+ }
+
+ /**
+ * @param aclType The {@code ACE4_ACCESS_xxx_ACE_TYPE} value
+ * @return The matching {@link AclEntryType} or {@code null} if unknown value
+ */
+ public static AclEntryType decodeAclEntryType(int aclType) {
+ switch (aclType) {
+ case SftpConstants.ACE4_ACCESS_ALLOWED_ACE_TYPE:
+ return AclEntryType.ALLOW;
+ case SftpConstants.ACE4_ACCESS_DENIED_ACE_TYPE:
+ return AclEntryType.DENY;
+ case SftpConstants.ACE4_SYSTEM_AUDIT_ACE_TYPE:
+ return AclEntryType.AUDIT;
+ case SftpConstants.ACE4_SYSTEM_ALARM_ACE_TYPE:
+ return AclEntryType.ALARM;
+ default:
+ return null;
+ }
+ }
+
+ public static Set<AclEntryFlag> decodeAclFlags(int aclFlag) {
+ Set<AclEntryFlag> flags = EnumSet.noneOf(AclEntryFlag.class);
+ if ((aclFlag & SftpConstants.ACE4_FILE_INHERIT_ACE) != 0) {
+ flags.add(AclEntryFlag.FILE_INHERIT);
+ }
+ if ((aclFlag & SftpConstants.ACE4_DIRECTORY_INHERIT_ACE) != 0) {
+ flags.add(AclEntryFlag.DIRECTORY_INHERIT);
+ }
+ if ((aclFlag & SftpConstants.ACE4_NO_PROPAGATE_INHERIT_ACE) != 0) {
+ flags.add(AclEntryFlag.NO_PROPAGATE_INHERIT);
+ }
+ if ((aclFlag & SftpConstants.ACE4_INHERIT_ONLY_ACE) != 0) {
+ flags.add(AclEntryFlag.INHERIT_ONLY);
+ }
+
+ return flags;
+ }
+
+ public static Set<AclEntryPermission> decodeAclMask(int aclMask) {
+ Set<AclEntryPermission> mask = EnumSet.noneOf(AclEntryPermission.class);
+ if ((aclMask & SftpConstants.ACE4_READ_DATA) != 0) {
+ mask.add(AclEntryPermission.READ_DATA);
+ }
+ if ((aclMask & SftpConstants.ACE4_LIST_DIRECTORY) != 0) {
+ mask.add(AclEntryPermission.LIST_DIRECTORY);
+ }
+ if ((aclMask & SftpConstants.ACE4_WRITE_DATA) != 0) {
+ mask.add(AclEntryPermission.WRITE_DATA);
+ }
+ if ((aclMask & SftpConstants.ACE4_ADD_FILE) != 0) {
+ mask.add(AclEntryPermission.ADD_FILE);
+ }
+ if ((aclMask & SftpConstants.ACE4_APPEND_DATA) != 0) {
+ mask.add(AclEntryPermission.APPEND_DATA);
+ }
+ if ((aclMask & SftpConstants.ACE4_ADD_SUBDIRECTORY) != 0) {
+ mask.add(AclEntryPermission.ADD_SUBDIRECTORY);
+ }
+ if ((aclMask & SftpConstants.ACE4_READ_NAMED_ATTRS) != 0) {
+ mask.add(AclEntryPermission.READ_NAMED_ATTRS);
+ }
+ if ((aclMask & SftpConstants.ACE4_WRITE_NAMED_ATTRS) != 0) {
+ mask.add(AclEntryPermission.WRITE_NAMED_ATTRS);
+ }
+ if ((aclMask & SftpConstants.ACE4_EXECUTE) != 0) {
+ mask.add(AclEntryPermission.EXECUTE);
+ }
+ if ((aclMask & SftpConstants.ACE4_DELETE_CHILD) != 0) {
+ mask.add(AclEntryPermission.DELETE_CHILD);
+ }
+ if ((aclMask & SftpConstants.ACE4_READ_ATTRIBUTES) != 0) {
+ mask.add(AclEntryPermission.READ_ATTRIBUTES);
+ }
+ if ((aclMask & SftpConstants.ACE4_WRITE_ATTRIBUTES) != 0) {
+ mask.add(AclEntryPermission.WRITE_ATTRIBUTES);
+ }
+ if ((aclMask & SftpConstants.ACE4_DELETE) != 0) {
+ mask.add(AclEntryPermission.DELETE);
+ }
+ if ((aclMask & SftpConstants.ACE4_READ_ACL) != 0) {
+ mask.add(AclEntryPermission.READ_ACL);
+ }
+ if ((aclMask & SftpConstants.ACE4_WRITE_ACL) != 0) {
+ mask.add(AclEntryPermission.WRITE_ACL);
+ }
+ if ((aclMask & SftpConstants.ACE4_WRITE_OWNER) != 0) {
+ mask.add(AclEntryPermission.WRITE_OWNER);
+ }
+ if ((aclMask & SftpConstants.ACE4_SYNCHRONIZE) != 0) {
+ mask.add(AclEntryPermission.SYNCHRONIZE);
+ }
+
+ return mask;
+ }
+
+ public static <B extends Buffer> B writeACLs(B buffer, int version, Collection<? extends AclEntry> acl) {
+ int lenPos = buffer.wpos();
+ buffer.putInt(0); // length placeholder
+ buffer = encodeACLs(buffer, version, acl);
+ BufferUtils.updateLengthPlaceholder(buffer, lenPos);
+ return buffer;
+ }
+
+ public static <B extends Buffer> B encodeACLs(B buffer, int version, Collection<? extends AclEntry> acl) {
+ Objects.requireNonNull(acl, "No ACL");
+ if (version >= SftpConstants.SFTP_V6) {
+ buffer.putInt(0); // TODO handle ACL flags
+ }
+
+ int numEntries = GenericUtils.size(acl);
+ buffer.putInt(numEntries);
+ if (numEntries > 0) {
+ for (AclEntry e : acl) {
+ buffer = writeAclEntry(buffer, e);
+ }
+ }
+
+ return buffer;
+ }
+
+ public static <B extends Buffer> B writeAclEntry(B buffer, AclEntry acl) {
+ Objects.requireNonNull(acl, "No ACL");
+
+ AclEntryType type = acl.type();
+ int aclType = encodeAclEntryType(type);
+ ValidateUtils.checkTrue(aclType >= 0, "Unknown ACL type: %s", type);
+ buffer.putInt(aclType);
+ buffer.putInt(encodeAclFlags(acl.flags()));
+ buffer.putInt(encodeAclMask(acl.permissions()));
+
+ Principal user = acl.principal();
+ buffer.putString(user.getName());
+ return buffer;
+ }
+
+ /**
+ * Returns the equivalent SFTP value for the ACL type
+ *
+ * @param type The {@link AclEntryType}
+ * @return The equivalent {@code ACE_SYSTEM_xxx_TYPE} or negative
+ * if {@code null} or unknown type
+ */
+ public static int encodeAclEntryType(AclEntryType type) {
+ if (type == null) {
+ return Integer.MIN_VALUE;
+ }
+
+ switch(type) {
+ case ALARM:
+ return SftpConstants.ACE4_SYSTEM_ALARM_ACE_TYPE;
+ case ALLOW:
+ return SftpConstants.ACE4_ACCESS_ALLOWED_ACE_TYPE;
+ case AUDIT:
+ return SftpConstants.ACE4_SYSTEM_AUDIT_ACE_TYPE;
+ case DENY:
+ return SftpConstants.ACE4_ACCESS_DENIED_ACE_TYPE;
+ default:
+ return -1;
+ }
+ }
+
+ public static long encodeAclFlags(Collection<AclEntryFlag> flags) {
+ if (GenericUtils.isEmpty(flags)) {
+ return 0L;
+ }
+
+ long aclFlag = 0L;
+ if (flags.contains(AclEntryFlag.FILE_INHERIT)) {
+ aclFlag |= SftpConstants.ACE4_FILE_INHERIT_ACE;
+ }
+ if (flags.contains(AclEntryFlag.DIRECTORY_INHERIT)) {
+ aclFlag |= SftpConstants.ACE4_DIRECTORY_INHERIT_ACE;
+ }
+ if (flags.contains(AclEntryFlag.NO_PROPAGATE_INHERIT)) {
+ aclFlag |= SftpConstants.ACE4_NO_PROPAGATE_INHERIT_ACE;
+ }
+ if (flags.contains(AclEntryFlag.INHERIT_ONLY)) {
+ aclFlag |= SftpConstants.ACE4_INHERIT_ONLY_ACE;
+ }
+
+ return aclFlag;
+ }
+
+ public static long encodeAclMask(Collection<AclEntryPermission> mask) {
+ if (GenericUtils.isEmpty(mask)) {
+ return 0L;
+ }
+
+ long aclMask = 0L;
+ if (mask.contains(AclEntryPermission.READ_DATA)) {
+ aclMask |= SftpConstants.ACE4_READ_DATA;
+ }
+ if (mask.contains(AclEntryPermission.LIST_DIRECTORY)) {
+ aclMask |= SftpConstants.ACE4_LIST_DIRECTORY;
+ }
+ if (mask.contains(AclEntryPermission.WRITE_DATA)) {
+ aclMask |= SftpConstants.ACE4_WRITE_DATA;
+ }
+ if (mask.contains(AclEntryPermission.ADD_FILE)) {
+ aclMask |= SftpConstants.ACE4_ADD_FILE;
+ }
+ if (mask.contains(AclEntryPermission.APPEND_DATA)) {
+ aclMask |= SftpConstants.ACE4_APPEND_DATA;
+ }
+ if (mask.contains(AclEntryPermission.ADD_SUBDIRECTORY)) {
+ aclMask |= SftpConstants.ACE4_ADD_SUBDIRECTORY;
+ }
+ if (mask.contains(AclEntryPermission.READ_NAMED_ATTRS)) {
+ aclMask |= SftpConstants.ACE4_READ_NAMED_ATTRS;
+ }
+ if (mask.contains(AclEntryPermission.WRITE_NAMED_ATTRS)) {
+ aclMask |= SftpConstants.ACE4_WRITE_NAMED_ATTRS;
+ }
+ if (mask.contains(AclEntryPermission.EXECUTE)) {
+ aclMask |= SftpConstants.ACE4_EXECUTE;
+ }
+ if (mask.contains(AclEntryPermission.DELETE_CHILD)) {
+ aclMask |= SftpConstants.ACE4_DELETE_CHILD;
+ }
+ if (mask.contains(AclEntryPermission.READ_ATTRIBUTES)) {
+ aclMask |= SftpConstants.ACE4_READ_ATTRIBUTES;
+ }
+ if (mask.contains(AclEntryPermission.WRITE_ATTRIBUTES)) {
+ aclMask |= SftpConstants.ACE4_WRITE_ATTRIBUTES;
+ }
+ if (mask.contains(AclEntryPermission.DELETE)) {
+ aclMask |= SftpConstants.ACE4_DELETE;
+ }
+ if (mask.contains(AclEntryPermission.READ_ACL)) {
+ aclMask |= SftpConstants.ACE4_READ_ACL;
+ }
+ if (mask.contains(AclEntryPermission.WRITE_ACL)) {
+ aclMask |= SftpConstants.ACE4_WRITE_ACL;
+ }
+ if (mask.contains(AclEntryPermission.WRITE_OWNER)) {
+ aclMask |= SftpConstants.ACE4_WRITE_OWNER;
+ }
+ if (mask.contains(AclEntryPermission.SYNCHRONIZE)) {
+ aclMask |= SftpConstants.ACE4_SYNCHRONIZE;
+ }
+
+ return aclMask;
+ }
+
+ /**
+ * Encodes a {@link FileTime} value into a buffer
+ *
+ * @param <B> Type of {@link Buffer} being updated
+ * @param buffer The target buffer instance
+ * @param version The encoding version
+ * @param flags The encoding flags
+ * @param time The value to encode
+ * @return The updated buffer
+ */
+ public static <B extends Buffer> B writeTime(B buffer, int version, int flags, FileTime time) {
+ // for v3 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#page-8
+ // for v6 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-16
+ if (version >= SftpConstants.SFTP_V4) {
+ buffer.putLong(time.to(TimeUnit.SECONDS));
+ if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SUBSECOND_TIMES) != 0) {
+ long nanos = time.to(TimeUnit.NANOSECONDS);
+ nanos = nanos % TimeUnit.SECONDS.toNanos(1);
+ buffer.putInt((int) nanos);
+ }
+ } else {
+ buffer.putInt(time.to(TimeUnit.SECONDS));
+ }
+
+ return buffer;
+ }
+
+ /**
+ * Decodes a {@link FileTime} value from a buffer
+ *
+ * @param buffer The source {@link Buffer}
+ * @param version The encoding version
+ * @param flags The encoding flags
+ * @return The decoded value
+ */
+ public static FileTime readTime(Buffer buffer, int version, int flags) {
+ // for v3 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#page-8
+ // for v6 see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-16
+ long secs = (version >= SftpConstants.SFTP_V4) ? buffer.getLong() : buffer.getUInt();
+ long millis = TimeUnit.SECONDS.toMillis(secs);
+ if ((version >= SftpConstants.SFTP_V4) && ((flags & SftpConstants.SSH_FILEXFER_ATTR_SUBSECOND_TIMES) != 0)) {
+ long nanoseconds = buffer.getUInt();
+ millis += TimeUnit.NANOSECONDS.toMillis(nanoseconds);
+ }
+ return FileTime.from(millis, TimeUnit.MILLISECONDS);
+ }
+
+ /**
+ * Creates an "ls -l" compatible long name string
+ *
+ * @param shortName The short file name - can also be "." or ".."
+ * @param attributes The file's attributes - e.g., size, owner, permissions, etc.
+ * @return A {@link String} representing the "long" file name as per
+ * <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-02">SFTP version 3 - section 7</A>
+ */
+ public static String getLongName(String shortName, Map<String, ?> attributes) {
+ String owner = Objects.toString(attributes.get("owner"), null);
+ String username = OsUtils.getCanonicalUser(owner);
+ if (GenericUtils.isEmpty(username)) {
+ username = SftpUniversalOwnerAndGroup.Owner.getName();
+ }
+
+ String group = Objects.toString(attributes.get("group"), null);
+ group = OsUtils.resolveCanonicalGroup(group, owner);
+ if (GenericUtils.isEmpty(group)) {
+ group = SftpUniversalOwnerAndGroup.Group.getName();
+ }
+
+ Number length = (Number) attributes.get("size");
+ if (length == null) {
+ length = 0L;
+ }
+
+ String lengthString = String.format("%1$8s", length);
+ String linkCount = Objects.toString(attributes.get("nlink"), null);
+ if (GenericUtils.isEmpty(linkCount)) {
+ linkCount = "1";
+ }
+
+ Boolean isDirectory = (Boolean) attributes.get("isDirectory");
+ Boolean isLink = (Boolean) attributes.get("isSymbolicLink");
+ @SuppressWarnings("unchecked")
+ Set<PosixFilePermission> perms = (Set<PosixFilePermission>) attributes.get("permissions");
+ if (perms == null) {
+ perms = EnumSet.noneOf(PosixFilePermission.class);
+ }
+ String permsString = PosixFilePermissions.toString(perms);
+ String timeStamp = UnixDateFormat.getUnixDate((FileTime) attributes.get("lastModifiedTime"));
+ StringBuilder sb = new StringBuilder(
+ GenericUtils.length(linkCount) + GenericUtils.length(username) + GenericUtils.length(group)
+ + GenericUtils.length(timeStamp) + GenericUtils.length(lengthString)
+ + GenericUtils.length(permsString) + GenericUtils.length(shortName)
+ + Integer.SIZE);
+ sb.append(SftpHelper.getBool(isDirectory) ? 'd' : (SftpHelper.getBool(isLink) ? 'l' : '-')).append(permsString);
+
+ sb.append(' ');
+ for (int index = linkCount.length(); index < 3; index++) {
+ sb.append(' ');
+ }
+ sb.append(linkCount);
+
+ sb.append(' ').append(username);
+ for (int index = username.length(); index < 8; index++) {
+ sb.append(' ');
+ }
+
+ sb.append(' ').append(group);
+ for (int index = group.length(); index < 8; index++) {
+ sb.append(' ');
+ }
+
+ sb.append(' ').append(lengthString).append(' ').append(timeStamp).append(' ').append(shortName);
+ return sb.toString();
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroup.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroup.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroup.java
new file mode 100644
index 0000000..68ab055
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroup.java
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp;
+
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.Set;
+
+import org.apache.sshd.common.NamedResource;
+
+/**
+ * Some universal identifiers used in owner and/or group specification strings
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#page-12">SFTP ACL</A>
+ */
+public enum SftpUniversalOwnerAndGroup implements NamedResource {
+ Owner, // The owner of the file.
+ Group, // The group associated with the file.
+ Everyone, // The world.
+ Interactive, // Accessed from an interactive terminal.
+ Network, // Accessed via the network.
+ Dialup, // Accessed as a dialup user to the server.
+ Batch, // Accessed from a batch job.
+ Anonymous, // Accessed without any authentication.
+ Authenticated, // Any authenticated user (opposite of ANONYMOUS).
+ Service; // Access from a system service.
+
+ public static final Set<SftpUniversalOwnerAndGroup> VALUES =
+ Collections.unmodifiableSet(EnumSet.allOf(SftpUniversalOwnerAndGroup.class));
+
+ private final String name;
+
+ SftpUniversalOwnerAndGroup() {
+ name = name().toUpperCase() + "@";
+ }
+
+ @Override
+ public String getName() {
+ return name;
+ }
+
+ @Override
+ public String toString() {
+ return getName();
+ }
+
+ public static SftpUniversalOwnerAndGroup fromName(String name) {
+ return NamedResource.findByName(name, String.CASE_INSENSITIVE_ORDER, VALUES);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AbstractParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AbstractParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AbstractParser.java
new file mode 100644
index 0000000..15cb3fe
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AbstractParser.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions;
+
+import org.apache.sshd.common.util.ValidateUtils;
+
+/**
+ * @param <T> Parse result type
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractParser<T> implements ExtensionParser<T> {
+ private final String name;
+
+ protected AbstractParser(String name) {
+ this.name = ValidateUtils.checkNotNullAndNotEmpty(name, "No extension name");
+ }
+
+ @Override
+ public final String getName() {
+ return name;
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AclSupportedParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AclSupportedParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AclSupportedParser.java
new file mode 100644
index 0000000..ea2d12d
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/AclSupportedParser.java
@@ -0,0 +1,208 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions;
+
+import java.io.Serializable;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.TreeSet;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.extensions.AclSupportedParser.AclCapabilities;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
+import org.apache.sshd.common.util.logging.LoggingUtils;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class AclSupportedParser extends AbstractParser<AclCapabilities> {
+ /**
+ * The "acl-supported" information as per
+ * <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-11">DRAFT 11 - section 5.4</A>
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+ public static class AclCapabilities implements Serializable, Cloneable {
+ private static final long serialVersionUID = -3118426327336468237L;
+ private int capabilities;
+
+ public AclCapabilities() {
+ this(0);
+ }
+
+ public AclCapabilities(int capabilities) {
+ this.capabilities = capabilities;
+ }
+
+ public int getCapabilities() {
+ return capabilities;
+ }
+
+ public void setCapabilities(int capabilities) {
+ this.capabilities = capabilities;
+ }
+
+ @Override
+ public int hashCode() {
+ return getCapabilities();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ if (obj == this) {
+ return true;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+
+ return ((AclCapabilities) obj).getCapabilities() == getCapabilities();
+ }
+
+ @Override
+ public AclCapabilities clone() {
+ try {
+ return getClass().cast(super.clone());
+ } catch (CloneNotSupportedException e) {
+ throw new RuntimeException("Failed to clone " + toString() + ": " + e.getMessage(), e);
+ }
+ }
+
+ @Override
+ public String toString() {
+ return Objects.toString(decodeAclCapabilities(getCapabilities()));
+ }
+
+ private static class LazyAclCapabilityNameHolder {
+ private static final String ACL_CAP_NAME_PREFIX = "SSH_ACL_CAP_";
+ private static final Map<Integer, String> ACL_VALUES_MAP = LoggingUtils.generateMnemonicMap(SftpConstants.class, ACL_CAP_NAME_PREFIX);
+ private static final Map<String, Integer> ACL_NAMES_MAP =
+ Collections.unmodifiableMap(GenericUtils.flipMap(ACL_VALUES_MAP, GenericUtils.caseInsensitiveMap(), false));
+ }
+
+ @SuppressWarnings("synthetic-access")
+ public static Map<String, Integer> getAclCapabilityNamesMap() {
+ return LazyAclCapabilityNameHolder.ACL_NAMES_MAP;
+ }
+
+ /**
+ * @param name The ACL capability name - may be without the "SSH_ACL_CAP_xxx" prefix.
+ * Ignored if {@code null}/empty
+ * @return The matching {@link Integer} value - or {@code null} if no match found
+ */
+ public static Integer getAclCapabilityValue(String name) {
+ if (GenericUtils.isEmpty(name)) {
+ return null;
+ }
+
+ name = name.toUpperCase();
+ if (!name.startsWith(LazyAclCapabilityNameHolder.ACL_CAP_NAME_PREFIX)) {
+ name += LazyAclCapabilityNameHolder.ACL_CAP_NAME_PREFIX;
+ }
+
+ Map<String, Integer> map = getAclCapabilityNamesMap();
+ return map.get(name);
+ }
+
+ @SuppressWarnings("synthetic-access")
+ public static Map<Integer, String> getAclCapabilityValuesMap() {
+ return LazyAclCapabilityNameHolder.ACL_VALUES_MAP;
+ }
+
+ public static String getAclCapabilityName(int aclCapValue) {
+ Map<Integer, String> map = getAclCapabilityValuesMap();
+ String name = map.get(aclCapValue);
+ if (GenericUtils.isEmpty(name)) {
+ return Integer.toString(aclCapValue);
+ } else {
+ return name;
+ }
+ }
+
+ public static Set<String> decodeAclCapabilities(int mask) {
+ if (mask == 0) {
+ return Collections.emptySet();
+ }
+
+ Set<String> caps = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
+ Map<Integer, String> map = getAclCapabilityValuesMap();
+ map.forEach((value, name) -> {
+ if ((mask & value) != 0) {
+ caps.add(name);
+ }
+ });
+
+ return caps;
+ }
+
+ public static int constructAclCapabilities(Collection<Integer> maskValues) {
+ if (GenericUtils.isEmpty(maskValues)) {
+ return 0;
+ }
+
+ int mask = 0;
+ for (Integer v : maskValues) {
+ mask |= v;
+ }
+
+ return mask;
+ }
+
+ public static Set<Integer> deconstructAclCapabilities(int mask) {
+ if (mask == 0) {
+ return Collections.emptySet();
+ }
+
+ Map<Integer, String> map = getAclCapabilityValuesMap();
+ Set<Integer> caps = new HashSet<>(map.size());
+ for (Integer v : map.keySet()) {
+ if ((mask & v) != 0) {
+ caps.add(v);
+ }
+ }
+
+ return caps;
+ }
+ }
+
+ public static final AclSupportedParser INSTANCE = new AclSupportedParser();
+
+ public AclSupportedParser() {
+ super(SftpConstants.EXT_ACL_SUPPORTED);
+ }
+
+ @Override
+ public AclCapabilities parse(byte[] input, int offset, int len) {
+ return parse(new ByteArrayBuffer(input, offset, len));
+ }
+
+ public AclCapabilities parse(Buffer buffer) {
+ return new AclCapabilities(buffer.getInt());
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ExtensionParser.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ExtensionParser.java b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ExtensionParser.java
new file mode 100644
index 0000000..cd74a26
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/common/subsystem/sftp/extensions/ExtensionParser.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.common.subsystem.sftp.extensions;
+
+import java.util.function.Function;
+
+import org.apache.sshd.common.NamedResource;
+import org.apache.sshd.common.util.NumberUtils;
+
+/**
+ * @param <T> Result type
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface ExtensionParser<T> extends NamedResource, Function<byte[], T> {
+ default T parse(byte[] input) {
+ return parse(input, 0, NumberUtils.length(input));
+ }
+
+ T parse(byte[] input, int offset, int len);
+
+ @Override
+ default T apply(byte[] input) {
+ return parse(input);
+ }
+}
[05/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/simple/SimpleSftpClientTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/simple/SimpleSftpClientTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/simple/SimpleSftpClientTest.java
new file mode 100644
index 0000000..d48a19d
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/simple/SimpleSftpClientTest.java
@@ -0,0 +1,129 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.simple;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Collections;
+import java.util.EnumSet;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.common.file.FileSystemFactory;
+import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;
+import org.apache.sshd.common.session.Session;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.server.scp.ScpCommandFactory;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
+import org.apache.sshd.util.test.Utils;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class SimpleSftpClientTest extends BaseSimpleClientTestSupport {
+ private final Path targetPath;
+ private final Path parentPath;
+ private final FileSystemFactory fileSystemFactory;
+ private SimpleSftpClient sftpClient;
+
+ public SimpleSftpClientTest() throws Exception {
+ targetPath = detectTargetFolder();
+ parentPath = targetPath.getParent();
+ fileSystemFactory = new VirtualFileSystemFactory(parentPath);
+ }
+
+ @Override
+ public void setUp() throws Exception {
+ super.setUp();
+ sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
+ sshd.setCommandFactory(new ScpCommandFactory());
+ sshd.setFileSystemFactory(fileSystemFactory);
+ client.start();
+ sftpClient = new SimpleSftpClientImpl(simple);
+ }
+
+ @Test
+ public void testSessionClosedWhenClientClosed() throws Exception {
+ try (SftpClient sftp = login()) {
+ assertTrue("SFTP not open", sftp.isOpen());
+
+ Session session = sftp.getClientSession();
+ assertTrue("Session not open", session.isOpen());
+
+ sftp.close();
+ assertFalse("Session not closed", session.isOpen());
+ assertFalse("SFTP not closed", sftp.isOpen());
+ }
+ }
+
+ @Test
+ public void testSftpProxyCalls() throws Exception {
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Utils.deleteRecursive(lclSftp);
+ Path clientFolder = assertHierarchyTargetFolderExists(lclSftp).resolve("client");
+ Path clientFile = clientFolder.resolve("file.txt");
+ String remoteFileDir = Utils.resolveRelativeRemotePath(parentPath, clientFolder);
+ String clientFileName = clientFile.getFileName().toString();
+ String remoteFilePath = remoteFileDir + "/" + clientFileName;
+
+ try (SftpClient sftp = login()) {
+ sftp.mkdir(remoteFileDir);
+
+ byte[] written = (getClass().getSimpleName() + "#" + getCurrentTestName() + IoUtils.EOL).getBytes(StandardCharsets.UTF_8);
+ try (SftpClient.CloseableHandle h = sftp.open(remoteFilePath, EnumSet.of(SftpClient.OpenMode.Write, SftpClient.OpenMode.Create))) {
+ sftp.write(h, 0L, written);
+
+ SftpClient.Attributes attrs = sftp.stat(h);
+ assertNotNull("No handle attributes", attrs);
+ assertEquals("Mismatched remote file size", written.length, attrs.getSize());
+ }
+
+ assertTrue("Remote file not created: " + clientFile, Files.exists(clientFile, IoUtils.EMPTY_LINK_OPTIONS));
+ byte[] local = Files.readAllBytes(clientFile);
+ assertArrayEquals("Mismatched remote written data", written, local);
+
+ try (SftpClient.CloseableHandle h = sftp.openDir(remoteFileDir)) {
+ boolean matchFound = false;
+ for (SftpClient.DirEntry entry : sftp.listDir(h)) {
+ String name = entry.getFilename();
+ if (clientFileName.equals(name)) {
+ matchFound = true;
+ break;
+ }
+ }
+
+ assertTrue("No directory entry found for " + clientFileName, matchFound);
+ }
+
+ sftp.remove(remoteFilePath);
+ assertFalse("Remote file not removed: " + clientFile, Files.exists(clientFile, IoUtils.EMPTY_LINK_OPTIONS));
+ }
+ }
+
+ private SftpClient login() throws IOException {
+ return sftpClient.sftpLogin(TEST_LOCALHOST, port, getCurrentTestName(), getCurrentTestName());
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/AbstractSftpClientTestSupport.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/AbstractSftpClientTestSupport.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/AbstractSftpClientTestSupport.java
new file mode 100644
index 0000000..629bbc9
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/AbstractSftpClientTestSupport.java
@@ -0,0 +1,106 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.Collections;
+
+import org.apache.sshd.client.SshClient;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.extensions.SftpClientExtension;
+import org.apache.sshd.common.file.FileSystemFactory;
+import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;
+import org.apache.sshd.server.SshServer;
+import org.apache.sshd.server.scp.ScpCommandFactory;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.JSchLogger;
+import org.apache.sshd.util.test.Utils;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class AbstractSftpClientTestSupport extends BaseTestSupport {
+ protected static SshServer sshd;
+ protected static int port;
+ protected static SshClient client;
+
+ protected final FileSystemFactory fileSystemFactory;
+
+ protected AbstractSftpClientTestSupport() throws IOException {
+ Path targetPath = detectTargetFolder();
+ Path parentPath = targetPath.getParent();
+ fileSystemFactory = new VirtualFileSystemFactory(parentPath);
+ }
+
+ @BeforeClass
+ public static void setupClientAndServer() throws Exception {
+ JSchLogger.init();
+ sshd = Utils.setupTestServer(AbstractSftpClientTestSupport.class);
+ sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
+ sshd.setCommandFactory(new ScpCommandFactory());
+ sshd.start();
+ port = sshd.getPort();
+
+ client = Utils.setupTestClient(AbstractSftpClientTestSupport.class);
+ client.start();
+ }
+
+ @AfterClass
+ public static void tearDownClientAndServer() throws Exception {
+ if (sshd != null) {
+ try {
+ sshd.stop(true);
+ } finally {
+ sshd = null;
+ }
+ }
+
+ if (client != null) {
+ try {
+ client.stop();
+ } finally {
+ client = null;
+ }
+ }
+ }
+
+ protected void setupServer() throws Exception {
+ sshd.setFileSystemFactory(fileSystemFactory);
+ }
+
+ protected SftpClient createSftpClient(ClientSession session) throws IOException {
+ return SftpClientFactory.instance().createSftpClient(session);
+ }
+
+ protected SftpClient createSftpClient(ClientSession session, int selector) throws IOException {
+ return SftpClientFactory.instance().createSftpClient(session, selector);
+ }
+
+ protected static <E extends SftpClientExtension> E assertExtensionCreated(SftpClient sftp, Class<E> type) {
+ E instance = sftp.getExtension(type);
+ assertNotNull("Extension not created: " + type.getSimpleName(), instance);
+ assertTrue("Extension not supported: " + instance.getName(), instance.isSupported());
+ return instance;
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/DefaultCloseableHandleTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/DefaultCloseableHandleTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/DefaultCloseableHandleTest.java
new file mode 100644
index 0000000..e5265d5
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/DefaultCloseableHandleTest.java
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
+import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
+import org.apache.sshd.client.subsystem.sftp.impl.DefaultCloseableHandle;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.NoIoTestCase;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runners.MethodSorters;
+import org.mockito.ArgumentMatchers;
+import org.mockito.Mockito;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@Category({ NoIoTestCase.class })
+public class DefaultCloseableHandleTest extends BaseTestSupport {
+ public DefaultCloseableHandleTest() {
+ super();
+ }
+
+ @Test
+ public void testChannelBehavior() throws IOException {
+ final byte[] id = getCurrentTestName().getBytes(StandardCharsets.UTF_8);
+ SftpClient client = Mockito.mock(SftpClient.class);
+ Mockito.doAnswer(invocation -> {
+ Object[] args = invocation.getArguments();
+ Handle handle = (Handle) args[0];
+ assertArrayEquals("Mismatched closing handle", id, handle.getIdentifier());
+ return null;
+ }).when(client).close(ArgumentMatchers.any(Handle.class));
+
+ CloseableHandle handle = new DefaultCloseableHandle(client, getCurrentTestName(), id);
+ try {
+ assertTrue("Handle not initially open", handle.isOpen());
+ } finally {
+ handle.close();
+ }
+ assertFalse("Handle not marked as closed", handle.isOpen());
+ // make sure close was called
+ Mockito.verify(client).close(handle);
+ }
+
+ @Test
+ public void testCloseIdempotent() throws IOException {
+ SftpClient client = Mockito.mock(SftpClient.class);
+ final AtomicBoolean closeCalled = new AtomicBoolean(false);
+ Mockito.doAnswer(invocation -> {
+ Object[] args = invocation.getArguments();
+ assertFalse("Close already called on handle=" + args[0], closeCalled.getAndSet(true));
+ return null;
+ }).when(client).close(ArgumentMatchers.any(Handle.class));
+
+ CloseableHandle handle = new DefaultCloseableHandle(client, getCurrentTestName(), getCurrentTestName().getBytes(StandardCharsets.UTF_8));
+ for (int index = 0; index < Byte.SIZE; index++) {
+ handle.close();
+ }
+
+ assertTrue("Close method not called", closeCalled.get());
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpCommandMain.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpCommandMain.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpCommandMain.java
new file mode 100644
index 0000000..4b34f92
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpCommandMain.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+/**
+ * Just a test class used to invoke {@link SftpCommand#main(String[])} in
+ * order to have logging - which is in {@code test} scope
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public final class SftpCommandMain {
+ private SftpCommandMain() {
+ throw new UnsupportedOperationException("No instance");
+ }
+
+ public static void main(String[] args) throws Exception {
+ SftpCommand.main(args);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemTest.java
new file mode 100644
index 0000000..5dc9bcf
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/subsystem/sftp/SftpFileSystemTest.java
@@ -0,0 +1,494 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.net.URI;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.nio.channels.FileLock;
+import java.nio.channels.OverlappingFileLockException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.DirectoryStream;
+import java.nio.file.FileAlreadyExistsException;
+import java.nio.file.FileStore;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.NoSuchFileException;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
+import java.nio.file.StandardOpenOption;
+import java.nio.file.attribute.AclEntry;
+import java.nio.file.attribute.AclFileAttributeView;
+import java.nio.file.attribute.FileAttributeView;
+import java.nio.file.attribute.FileTime;
+import java.nio.file.attribute.GroupPrincipal;
+import java.nio.file.attribute.PosixFilePermissions;
+import java.nio.file.attribute.UserPrincipalLookupService;
+import java.nio.file.attribute.UserPrincipalNotFoundException;
+import java.nio.file.spi.FileSystemProvider;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Date;
+import java.util.EnumSet;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.apache.sshd.client.SshClient;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.common.file.FileSystemFactory;
+import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;
+import org.apache.sshd.common.session.Session;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.OsUtils;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.server.SshServer;
+import org.apache.sshd.server.scp.ScpCommandFactory;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemEnvironment;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.Utils;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class SftpFileSystemTest extends BaseTestSupport {
+ private static SshServer sshd;
+ private static int port;
+
+ private final FileSystemFactory fileSystemFactory;
+
+ public SftpFileSystemTest() throws IOException {
+ Path targetPath = detectTargetFolder();
+ Path parentPath = targetPath.getParent();
+ fileSystemFactory = new VirtualFileSystemFactory(parentPath);
+ }
+
+ @BeforeClass
+ public static void setupServerInstance() throws Exception {
+ sshd = Utils.setupTestServer(SftpFileSystemTest.class);
+ sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
+ sshd.setCommandFactory(new ScpCommandFactory());
+ sshd.start();
+ port = sshd.getPort();
+ }
+
+ @AfterClass
+ public static void tearDownServerInstance() throws Exception {
+ if (sshd != null) {
+ try {
+ sshd.stop(true);
+ } finally {
+ sshd = null;
+ }
+ }
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ sshd.setFileSystemFactory(fileSystemFactory);
+ }
+
+ @Test
+ public void testFileSystem() throws Exception {
+ try (FileSystem fs = FileSystems.newFileSystem(createDefaultFileSystemURI(),
+ GenericUtils.<String, Object>mapBuilder()
+ .put(SftpFileSystemProvider.READ_BUFFER_PROP_NAME, IoUtils.DEFAULT_COPY_SIZE)
+ .put(SftpFileSystemProvider.WRITE_BUFFER_PROP_NAME, IoUtils.DEFAULT_COPY_SIZE)
+ .build())) {
+ assertTrue("Not an SftpFileSystem", fs instanceof SftpFileSystem);
+ testFileSystem(fs, ((SftpFileSystem) fs).getVersion());
+ }
+ }
+
+ @Test // see SSHD-578
+ public void testFileSystemURIParameters() throws Exception {
+ Map<String, Object> params = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ params.put("test-class-name", getClass().getSimpleName());
+ params.put("test-pkg-name", getClass().getPackage().getName());
+ params.put("test-name", getCurrentTestName());
+
+ int expectedVersion = (SftpSubsystemEnvironment.LOWER_SFTP_IMPL + SftpSubsystemEnvironment.HIGHER_SFTP_IMPL) / 2;
+ params.put(SftpFileSystemProvider.VERSION_PARAM, expectedVersion);
+ try (SftpFileSystem fs = (SftpFileSystem) FileSystems.newFileSystem(createDefaultFileSystemURI(params), Collections.<String, Object>emptyMap())) {
+ try (SftpClient sftpClient = fs.getClient()) {
+ assertEquals("Mismatched negotiated version", expectedVersion, sftpClient.getVersion());
+
+ Session session = sftpClient.getClientSession();
+ params.forEach((key, expected) -> {
+ if (SftpFileSystemProvider.VERSION_PARAM.equalsIgnoreCase(key)) {
+ return;
+ }
+
+ Object actual = session.getObject(key);
+ assertEquals("Mismatched value for param '" + key + "'", expected, actual);
+ });
+ }
+ }
+ }
+
+ @Test
+ public void testAttributes() throws IOException {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Utils.deleteRecursive(lclSftp);
+
+ try (FileSystem fs = FileSystems.newFileSystem(createDefaultFileSystemURI(),
+ GenericUtils.<String, Object>mapBuilder()
+ .put(SftpFileSystemProvider.READ_BUFFER_PROP_NAME, SftpClient.MIN_READ_BUFFER_SIZE)
+ .put(SftpFileSystemProvider.WRITE_BUFFER_PROP_NAME, SftpClient.MIN_WRITE_BUFFER_SIZE)
+ .build())) {
+
+ Path parentPath = targetPath.getParent();
+ Path clientFolder = lclSftp.resolve("client");
+ String remFilePath = Utils.resolveRelativeRemotePath(parentPath, clientFolder.resolve("file.txt"));
+ Path file = fs.getPath(remFilePath);
+ assertHierarchyTargetFolderExists(file.getParent());
+ Files.write(file, (getCurrentTestName() + "\n").getBytes(StandardCharsets.UTF_8));
+
+ Map<String, Object> attrs = Files.readAttributes(file, "posix:*");
+ assertNotNull("No attributes read for " + file, attrs);
+
+ Files.setAttribute(file, "basic:size", 2L);
+ Files.setAttribute(file, "posix:permissions", PosixFilePermissions.fromString("rwxr-----"));
+ Files.setAttribute(file, "basic:lastModifiedTime", FileTime.fromMillis(100000L));
+
+ FileSystem fileSystem = file.getFileSystem();
+ try {
+ UserPrincipalLookupService userLookupService = fileSystem.getUserPrincipalLookupService();
+ GroupPrincipal group = userLookupService.lookupPrincipalByGroupName("everyone");
+ Files.setAttribute(file, "posix:group", group);
+ } catch (UserPrincipalNotFoundException e) {
+ // Also, according to the Javadoc:
+ // "Where an implementation does not support any notion of
+ // group then this method always throws UserPrincipalNotFoundException."
+ // Therefore we are lenient with this exception for Windows
+ if (OsUtils.isWin32()) {
+ System.err.println(e.getClass().getSimpleName() + ": " + e.getMessage());
+ } else {
+ throw e;
+ }
+ }
+ }
+ }
+
+ @Test
+ public void testRootFileSystem() throws IOException {
+ Path targetPath = detectTargetFolder();
+ Path rootNative = targetPath.resolve("root").toAbsolutePath();
+ Utils.deleteRecursive(rootNative);
+ assertHierarchyTargetFolderExists(rootNative);
+
+ try (FileSystem fs = FileSystems.newFileSystem(URI.create("root:" + rootNative.toUri().toString() + "!/"), null)) {
+ Path dir = assertHierarchyTargetFolderExists(fs.getPath("test/foo"));
+ outputDebugMessage("Created %s", dir);
+ }
+ }
+
+ @Test // see SSHD-697
+ public void testFileChannel() throws IOException {
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName());
+ Path lclFile = lclSftp.resolve(getCurrentTestName() + ".txt");
+ Files.deleteIfExists(lclFile);
+ byte[] expected = (getClass().getName() + "#" + getCurrentTestName() + "(" + new Date() + ")").getBytes(StandardCharsets.UTF_8);
+ try (FileSystem fs = FileSystems.newFileSystem(createDefaultFileSystemURI(), Collections.emptyMap())) {
+ Path parentPath = targetPath.getParent();
+ String remFilePath = Utils.resolveRelativeRemotePath(parentPath, lclFile);
+ Path file = fs.getPath(remFilePath);
+
+ FileSystemProvider provider = fs.provider();
+ try (FileChannel fc = provider.newFileChannel(file, EnumSet.of(StandardOpenOption.CREATE, StandardOpenOption.READ, StandardOpenOption.WRITE))) {
+ int writeLen = fc.write(ByteBuffer.wrap(expected));
+ assertEquals("Mismatched written length", expected.length, writeLen);
+
+ FileChannel fcPos = fc.position(0L);
+ assertSame("Mismatched positioned file channel", fc, fcPos);
+
+ byte[] actual = new byte[expected.length];
+ int readLen = fc.read(ByteBuffer.wrap(actual));
+ assertEquals("Mismatched read len", writeLen, readLen);
+ assertArrayEquals("Mismatched read data", expected, actual);
+ }
+ }
+
+ byte[] actual = Files.readAllBytes(lclFile);
+ assertArrayEquals("Mismatched persisted data", expected, actual);
+ }
+
+ @Test
+ public void testFileStore() throws IOException {
+ try (FileSystem fs = FileSystems.newFileSystem(createDefaultFileSystemURI(), Collections.emptyMap())) {
+ Iterable<FileStore> iter = fs.getFileStores();
+ assertTrue("Not a list", iter instanceof List<?>);
+
+ List<FileStore> list = (List<FileStore>) iter;
+ assertEquals("Mismatched stores count", 1, list.size());
+
+ FileStore store = list.get(0);
+ assertEquals("Mismatched type", SftpConstants.SFTP_SUBSYSTEM_NAME, store.type());
+ assertFalse("Read-only ?", store.isReadOnly());
+
+ for (String name : fs.supportedFileAttributeViews()) {
+ assertTrue("Unsupported view name: " + name, store.supportsFileAttributeView(name));
+ }
+
+ for (Class<? extends FileAttributeView> type : SftpFileSystemProvider.UNIVERSAL_SUPPORTED_VIEWS) {
+ assertTrue("Unsupported view type: " + type.getSimpleName(), store.supportsFileAttributeView(type));
+ }
+ }
+ }
+
+ @Test
+ public void testMultipleFileStoresOnSameProvider() throws IOException {
+ try (SshClient client = setupTestClient()) {
+ client.start();
+
+ SftpFileSystemProvider provider = new SftpFileSystemProvider(client);
+ Collection<SftpFileSystem> fsList = new LinkedList<>();
+ try {
+ Collection<String> idSet = new HashSet<>();
+ Map<String, Object> empty = Collections.emptyMap();
+ for (int index = 0; index < 4; index++) {
+ String credentials = getCurrentTestName() + "-user-" + index;
+ SftpFileSystem expected = provider.newFileSystem(createFileSystemURI(credentials, empty), empty);
+ fsList.add(expected);
+
+ String id = expected.getId();
+ assertTrue("Non unique file system id: " + id, idSet.add(id));
+
+ SftpFileSystem actual = provider.getFileSystem(id);
+ assertSame("Mismatched cached instances for " + id, expected, actual);
+ outputDebugMessage("Created file system id: %s", id);
+ }
+
+ for (SftpFileSystem fs : fsList) {
+ String id = fs.getId();
+ fs.close();
+ assertNull("File system not removed from cache: " + id, provider.getFileSystem(id));
+ }
+ } finally {
+ IOException err = null;
+ for (FileSystem fs : fsList) {
+ try {
+ fs.close();
+ } catch (IOException e) {
+ err = GenericUtils.accumulateException(err, e);
+ }
+ }
+
+ client.stop();
+
+ if (err != null) {
+ throw err;
+ }
+ }
+ }
+ }
+
+ @Test
+ public void testSftpVersionSelector() throws Exception {
+ final AtomicInteger selected = new AtomicInteger(-1);
+ SftpVersionSelector selector = (session, current, available) -> {
+ int value = GenericUtils.stream(available)
+ .mapToInt(Integer::intValue)
+ .filter(v -> v != current)
+ .max()
+ .orElseGet(() -> current);
+ selected.set(value);
+ return value;
+ };
+
+ try (SshClient client = setupTestClient()) {
+ client.start();
+
+ try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ try (FileSystem fs = createSftpFileSystem(session, selector)) {
+ assertTrue("Not an SftpFileSystem", fs instanceof SftpFileSystem);
+ Collection<String> views = fs.supportedFileAttributeViews();
+ assertTrue("Universal views (" + SftpFileSystem.UNIVERSAL_SUPPORTED_VIEWS + ") not supported: " + views,
+ views.containsAll(SftpFileSystem.UNIVERSAL_SUPPORTED_VIEWS));
+ int expectedVersion = selected.get();
+ assertEquals("Mismatched negotiated version", expectedVersion, ((SftpFileSystem) fs).getVersion());
+ testFileSystem(fs, expectedVersion);
+ }
+ } finally {
+ client.stop();
+ }
+ }
+ }
+
+ private FileSystem createSftpFileSystem(ClientSession session, SftpVersionSelector selector) throws IOException {
+ return SftpClientFactory.instance().createSftpFileSystem(session, selector);
+ }
+
+ private void testFileSystem(FileSystem fs, int version) throws Exception {
+ Iterable<Path> rootDirs = fs.getRootDirectories();
+ for (Path root : rootDirs) {
+ String rootName = root.toString();
+ try (DirectoryStream<Path> ds = Files.newDirectoryStream(root)) {
+ for (Path child : ds) {
+ String name = child.getFileName().toString();
+ assertNotEquals("Unexpected dot name", ".", name);
+ assertNotEquals("Unexpected dotdot name", "..", name);
+ outputDebugMessage("[%s] %s", rootName, child);
+ }
+ } catch (IOException | RuntimeException e) {
+ // TODO on Windows one might get share problems for *.sys files
+ // e.g. "C:\hiberfil.sys: The process cannot access the file because it is being used by another process"
+ // for now, Windows is less of a target so we are lenient with it
+ if (OsUtils.isWin32()) {
+ System.err.println(e.getClass().getSimpleName() + " while accessing children of root=" + root + ": " + e.getMessage());
+ } else {
+ throw e;
+ }
+ }
+ }
+
+ Path targetPath = detectTargetFolder();
+ Path lclSftp = Utils.resolve(targetPath, SftpConstants.SFTP_SUBSYSTEM_NAME, getClass().getSimpleName(), getCurrentTestName());
+ Utils.deleteRecursive(lclSftp);
+
+ Path current = fs.getPath(".").toRealPath().normalize();
+ outputDebugMessage("CWD: %s", current);
+
+ Path parentPath = targetPath.getParent();
+ Path clientFolder = lclSftp.resolve("client");
+ String remFile1Path = Utils.resolveRelativeRemotePath(parentPath, clientFolder.resolve("file-1.txt"));
+ Path file1 = fs.getPath(remFile1Path);
+ assertHierarchyTargetFolderExists(file1.getParent());
+
+ String expected = "Hello world: " + getCurrentTestName();
+ outputDebugMessage("Write initial data to %s", file1);
+ Files.write(file1, expected.getBytes(StandardCharsets.UTF_8));
+ String buf = new String(Files.readAllBytes(file1), StandardCharsets.UTF_8);
+ assertEquals("Mismatched read test data", expected, buf);
+
+ if (version >= SftpConstants.SFTP_V4) {
+ outputDebugMessage("getFileAttributeView(%s)", file1);
+ AclFileAttributeView aclView = Files.getFileAttributeView(file1, AclFileAttributeView.class, LinkOption.NOFOLLOW_LINKS);
+ assertNotNull("No ACL view for " + file1, aclView);
+
+ Map<String, ?> attrs = Files.readAttributes(file1, "acl:*", LinkOption.NOFOLLOW_LINKS);
+ outputDebugMessage("readAttributes(%s) %s", file1, attrs);
+ assertEquals("Mismatched owner for " + file1, aclView.getOwner(), attrs.get("owner"));
+
+ @SuppressWarnings("unchecked")
+ List<AclEntry> acl = (List<AclEntry>) attrs.get("acl");
+ outputDebugMessage("acls(%s) %s", file1, acl);
+ assertListEquals("Mismatched ACLs for " + file1, aclView.getAcl(), acl);
+ }
+
+ String remFile2Path = Utils.resolveRelativeRemotePath(parentPath, clientFolder.resolve("file-2.txt"));
+ Path file2 = fs.getPath(remFile2Path);
+ String remFile3Path = Utils.resolveRelativeRemotePath(parentPath, clientFolder.resolve("file-3.txt"));
+ Path file3 = fs.getPath(remFile3Path);
+ try {
+ outputDebugMessage("Move with failure expected %s => %s", file2, file3);
+ Files.move(file2, file3, LinkOption.NOFOLLOW_LINKS);
+ fail("Unexpected success in moving " + file2 + " => " + file3);
+ } catch (NoSuchFileException e) {
+ // expected
+ }
+
+ Files.write(file2, "h".getBytes(StandardCharsets.UTF_8));
+ try {
+ outputDebugMessage("Move with failure expected %s => %s", file1, file2);
+ Files.move(file1, file2, LinkOption.NOFOLLOW_LINKS);
+ fail("Unexpected success in moving " + file1 + " => " + file2);
+ } catch (FileAlreadyExistsException e) {
+ // expected
+ }
+
+ outputDebugMessage("Move with success expected %s => %s", file1, file2);
+ Files.move(file1, file2, LinkOption.NOFOLLOW_LINKS, StandardCopyOption.REPLACE_EXISTING);
+ outputDebugMessage("Move with success expected %s => %s", file2, file1);
+ Files.move(file2, file1, LinkOption.NOFOLLOW_LINKS);
+
+ Map<String, Object> attrs = Files.readAttributes(file1, "*");
+ outputDebugMessage("%s attributes: %s", file1, attrs);
+
+ // TODO there are many issues with symbolic links on Windows
+ if (OsUtils.isUNIX()) {
+ Path link = fs.getPath(remFile2Path);
+ Path linkParent = link.getParent();
+ Path relPath = linkParent.relativize(file1);
+ outputDebugMessage("Create symlink %s => %s", link, relPath);
+ Files.createSymbolicLink(link, relPath);
+ assertTrue("Not a symbolic link: " + link, Files.isSymbolicLink(link));
+
+ Path symLink = Files.readSymbolicLink(link);
+ assertEquals("mismatched symbolic link name", relPath.toString(), symLink.toString());
+
+ outputDebugMessage("Delete symlink %s", link);
+ Files.delete(link);
+ }
+
+ attrs = Files.readAttributes(file1, "*", LinkOption.NOFOLLOW_LINKS);
+ outputDebugMessage("%s no-follow attributes: %s", file1, attrs);
+ assertEquals("Mismatched symlink data", expected, new String(Files.readAllBytes(file1), StandardCharsets.UTF_8));
+
+ try (FileChannel channel = FileChannel.open(file1)) {
+ try (FileLock lock = channel.lock()) {
+ outputDebugMessage("Lock %s: %s", file1, lock);
+
+ try (FileChannel channel2 = FileChannel.open(file1)) {
+ try (FileLock lock2 = channel2.lock()) {
+ fail("Unexpected success in re-locking " + file1 + ": " + lock2);
+ } catch (OverlappingFileLockException e) {
+ // expected
+ }
+ }
+ }
+ }
+
+ Files.delete(file1);
+ }
+
+ private URI createDefaultFileSystemURI() {
+ return createDefaultFileSystemURI(Collections.emptyMap());
+ }
+
+ private URI createDefaultFileSystemURI(Map<String, ?> params) {
+ return createFileSystemURI(getCurrentTestName(), params);
+ }
+
+ private URI createFileSystemURI(String username, Map<String, ?> params) {
+ return createFileSystemURI(username, port, params);
+ }
+
+ private static URI createFileSystemURI(String username, int port, Map<String, ?> params) {
+ return SftpFileSystemProvider.createFileSystemURI(TEST_LOCALHOST, port, username, username, params);
+ }
+}
[16/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpConstantsTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpConstantsTest.java b/sshd-core/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpConstantsTest.java
deleted file mode 100644
index d059d36..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpConstantsTest.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp;
-
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.util.test.BaseTestSupport;
-import org.apache.sshd.util.test.NoIoTestCase;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-import org.junit.runners.MethodSorters;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-@Category({ NoIoTestCase.class })
-public class SftpConstantsTest extends BaseTestSupport {
- public SftpConstantsTest() {
- super();
- }
-
- @Test
- public void testRenameModesNotMarkedAsOpcodes() {
- for (int cmd : new int[]{
- SftpConstants.SSH_FXP_RENAME_OVERWRITE,
- SftpConstants.SSH_FXP_RENAME_ATOMIC,
- SftpConstants.SSH_FXP_RENAME_NATIVE
- }) {
- String name = SftpConstants.getCommandMessageName(cmd);
- assertFalse("Mismatched name for " + cmd + ": " + name, name.startsWith("SSH_FXP_RENAME_"));
- }
- }
-
- @Test
- public void testRealPathModesNotMarkedAsOpcodes() {
- for (int cmd = SftpConstants.SSH_FXP_REALPATH_NO_CHECK; cmd <= SftpConstants.SSH_FXP_REALPATH_STAT_IF; cmd++) {
- String name = SftpConstants.getCommandMessageName(cmd);
- assertFalse("Mismatched name for " + cmd + ": " + name, name.startsWith("SSH_FXP_REALPATH_"));
- }
- }
-
- @Test
- public void testSubstatusNameResolution() {
- for (int status = SftpConstants.SSH_FX_OK; status <= SftpConstants.SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK; status++) {
- String name = SftpConstants.getStatusName(status);
- assertTrue("Failed to convert status=" + status + ": " + name, name.startsWith("SSH_FX_"));
- }
- }
-
- @Test
- public void testSubstatusMessageResolution() {
- for (int status = SftpConstants.SSH_FX_OK; status <= SftpConstants.SSH_FX_NO_MATCHING_BYTE_RANGE_LOCK; status++) {
- String message = SftpHelper.resolveStatusMessage(status);
- assertTrue("Missing message for status=" + status, GenericUtils.isNotEmpty(message));
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroupTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroupTest.java b/sshd-core/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroupTest.java
deleted file mode 100644
index 704aa05..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/common/subsystem/sftp/SftpUniversalOwnerAndGroupTest.java
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.common.subsystem.sftp;
-
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.util.test.BaseTestSupport;
-import org.apache.sshd.util.test.NoIoTestCase;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-import org.junit.runners.MethodSorters;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-@Category({ NoIoTestCase.class })
-public class SftpUniversalOwnerAndGroupTest extends BaseTestSupport {
- public SftpUniversalOwnerAndGroupTest() {
- super();
- }
-
- @Test
- public void testNameFormat() {
- for (SftpUniversalOwnerAndGroup value : SftpUniversalOwnerAndGroup.VALUES) {
- String name = value.getName();
- assertFalse(value.name() + ": empty name", GenericUtils.isEmpty(name));
- assertTrue(value.name() + ": bad suffix", name.charAt(name.length() - 1) == '@');
-
- for (int index = 0; index < name.length() - 1; index++) {
- char ch = name.charAt(index);
- if ((ch < 'A') || (ch > 'Z')) {
- fail("Non-uppercase character in " + name);
- }
- }
- }
- }
-
- @Test
- public void testFromName() {
- for (String name : new String[]{null, "", getCurrentTestName()}) {
- assertNull("Unexpected value for '" + name + "'", SftpUniversalOwnerAndGroup.fromName(name));
- }
-
- for (SftpUniversalOwnerAndGroup expected : SftpUniversalOwnerAndGroup.VALUES) {
- String name = expected.getName();
- for (int index = 0; index < name.length(); index++) {
- assertSame(name, expected, SftpUniversalOwnerAndGroup.fromName(name));
- name = shuffleCase(name);
- }
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/server/ServerTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/server/ServerTest.java b/sshd-core/src/test/java/org/apache/sshd/server/ServerTest.java
index 2f07cab..8c083a3 100644
--- a/sshd-core/src/test/java/org/apache/sshd/server/ServerTest.java
+++ b/sshd-core/src/test/java/org/apache/sshd/server/ServerTest.java
@@ -55,7 +55,6 @@ import org.apache.sshd.common.PropertyResolverUtils;
import org.apache.sshd.common.auth.UserAuthMethodFactory;
import org.apache.sshd.common.channel.Channel;
import org.apache.sshd.common.channel.ChannelListener;
-import org.apache.sshd.common.channel.TestChannelListener;
import org.apache.sshd.common.channel.Window;
import org.apache.sshd.common.channel.WindowClosedException;
import org.apache.sshd.common.io.IoSession;
@@ -78,6 +77,7 @@ import org.apache.sshd.server.session.ServerSessionImpl;
import org.apache.sshd.util.test.BaseTestSupport;
import org.apache.sshd.util.test.EchoShell;
import org.apache.sshd.util.test.EchoShellFactory;
+import org.apache.sshd.util.test.TestChannelListener;
import org.junit.After;
import org.junit.Before;
import org.junit.FixMethodOrder;
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactoryTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactoryTest.java b/sshd-core/src/test/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactoryTest.java
deleted file mode 100644
index 6420411..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactoryTest.java
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.util.concurrent.ExecutorService;
-
-import org.apache.sshd.util.test.BaseTestSupport;
-import org.apache.sshd.util.test.NoIoTestCase;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-import org.junit.runners.MethodSorters;
-import org.mockito.Mockito;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-@Category({ NoIoTestCase.class })
-public class SftpSubsystemFactoryTest extends BaseTestSupport {
- public SftpSubsystemFactoryTest() {
- super();
- }
-
- /**
- * Make sure that the builder returns a factory with the default values
- * if no {@code withXXX} method is invoked
- */
- @Test
- public void testBuilderDefaultFactoryValues() {
- SftpSubsystemFactory factory = new SftpSubsystemFactory.Builder().build();
- assertNull("Mismatched executor", factory.getExecutorService());
- assertFalse("Mismatched shutdown state", factory.isShutdownOnExit());
- assertSame("Mismatched unsupported attribute policy", SftpSubsystemFactory.DEFAULT_POLICY, factory.getUnsupportedAttributePolicy());
- }
-
- /**
- * Make sure that the builder initializes correctly the built factory
- */
- @Test
- public void testBuilderCorrectlyInitializesFactory() {
- SftpSubsystemFactory.Builder builder = new SftpSubsystemFactory.Builder();
- ExecutorService service = dummyExecutor();
- SftpSubsystemFactory factory = builder.withExecutorService(service)
- .withShutdownOnExit(true)
- .build();
- assertSame("Mismatched executor", service, factory.getExecutorService());
- assertTrue("Mismatched shutdown state", factory.isShutdownOnExit());
-
- for (UnsupportedAttributePolicy policy : UnsupportedAttributePolicy.VALUES) {
- SftpSubsystemFactory actual = builder.withUnsupportedAttributePolicy(policy).build();
- assertSame("Mismatched unsupported attribute policy", policy, actual.getUnsupportedAttributePolicy());
- }
- }
-
- /**
- * <UL>
- * <LI>
- * Make sure the builder returns new instances on every call to
- * {@link SftpSubsystemFactory.Builder#build()} method
- * </LI>
- *
- * <LI>
- * Make sure values are preserved between successive invocations
- * of the {@link SftpSubsystemFactory.Builder#build()} method
- * </LI>
- * </UL
- */
- @Test
- public void testBuilderUniqueInstance() {
- SftpSubsystemFactory.Builder builder = new SftpSubsystemFactory.Builder();
- SftpSubsystemFactory f1 = builder.withExecutorService(dummyExecutor()).build();
- SftpSubsystemFactory f2 = builder.build();
- assertNotSame("No new instance built", f1, f2);
- assertSame("Mismatched executors", f1.getExecutorService(), f2.getExecutorService());
-
- SftpSubsystemFactory f3 = builder.withExecutorService(dummyExecutor()).build();
- assertNotSame("Executor service not changed", f1.getExecutorService(), f3.getExecutorService());
- }
-
- private static ExecutorService dummyExecutor() {
- return Mockito.mock(ExecutorService.class);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/server/subsystem/sftp/SshFsMounter.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/server/subsystem/sftp/SshFsMounter.java b/sshd-core/src/test/java/org/apache/sshd/server/subsystem/sftp/SshFsMounter.java
deleted file mode 100644
index e6b10e0..0000000
--- a/sshd-core/src/test/java/org/apache/sshd/server/subsystem/sftp/SshFsMounter.java
+++ /dev/null
@@ -1,327 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.PrintStream;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.TreeMap;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Future;
-
-import org.apache.sshd.common.PropertyResolver;
-import org.apache.sshd.common.PropertyResolverUtils;
-import org.apache.sshd.common.config.SshConfigFileReader;
-import org.apache.sshd.common.io.BuiltinIoServiceFactoryFactories;
-import org.apache.sshd.common.io.IoServiceFactory;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.logging.AbstractLoggingBean;
-import org.apache.sshd.common.util.security.SecurityUtils;
-import org.apache.sshd.common.util.threads.ThreadUtils;
-import org.apache.sshd.server.Command;
-import org.apache.sshd.server.CommandFactory;
-import org.apache.sshd.server.Environment;
-import org.apache.sshd.server.ExitCallback;
-import org.apache.sshd.server.SessionAware;
-import org.apache.sshd.server.SshServer;
-import org.apache.sshd.server.auth.password.AcceptAllPasswordAuthenticator;
-import org.apache.sshd.server.forward.AcceptAllForwardingFilter;
-import org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider;
-import org.apache.sshd.server.scp.ScpCommandFactory;
-import org.apache.sshd.server.session.ServerSession;
-import org.apache.sshd.server.shell.InteractiveProcessShellFactory;
-import org.apache.sshd.util.test.Utils;
-
-/**
- * A basic implementation to allow remote mounting of the local file system via SFTP
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public final class SshFsMounter {
- public static class MounterCommand extends AbstractLoggingBean implements Command, SessionAware, Runnable {
- private final String command;
- private final String cmdName;
- private final List<String> args;
- private String username;
- private InputStream stdin;
- private PrintStream stdout;
- private PrintStream stderr;
- private ExitCallback callback;
- private ExecutorService executor;
- private Future<?> future;
-
- public MounterCommand(String command) {
- this.command = ValidateUtils.checkNotNullAndNotEmpty(command, "No command");
-
- String[] comps = GenericUtils.split(this.command, ' ');
- int numComps = GenericUtils.length(comps);
- cmdName = GenericUtils.trimToEmpty(ValidateUtils.checkNotNullAndNotEmpty(comps[0], "No command name"));
- if (numComps > 1) {
- args = new ArrayList<>(numComps - 1);
- for (int index = 1; index < numComps; index++) {
- String c = GenericUtils.trimToEmpty(comps[index]);
- if (GenericUtils.isEmpty(c)) {
- continue;
- }
-
- args.add(c);
- }
- } else {
- args = Collections.emptyList();
- }
-
- log.info("<init>(" + command + ")");
- }
-
- @Override
- public void run() {
- try {
- log.info("run(" + username + ")[" + command + "] start");
- if ("id".equals(cmdName)) {
- int numArgs = GenericUtils.size(args);
- if (numArgs <= 0) {
- stdout.println("uid=0(root) gid=0(root) groups=0(root)");
- } else if (numArgs == 1) {
- String modifier = args.get(0);
- if ("-u".equals(modifier) || "-G".equals(modifier)) {
- stdout.println("0");
- } else {
- throw new IllegalArgumentException("Unknown modifier: " + modifier);
- }
- } else {
- throw new IllegalArgumentException("Unexpected extra command arguments");
- }
- } else {
- throw new UnsupportedOperationException("Unknown command");
- }
-
- log.info("run(" + username + ")[" + command + "] end");
- callback.onExit(0);
- } catch (Exception e) {
- log.error("run(" + username + ")[" + command + "] " + e.getClass().getSimpleName() + ": " + e.getMessage(), e);
- stderr.append(e.getClass().getSimpleName()).append(": ").println(e.getMessage());
- callback.onExit(-1, e.toString());
- }
- }
-
- @Override
- public void setSession(ServerSession session) {
- username = session.getUsername();
- }
-
- @Override
- public void setInputStream(InputStream in) {
- this.stdin = in;
- }
-
- @Override
- public void setOutputStream(OutputStream out) {
- this.stdout = new PrintStream(out, true);
- }
-
- @Override
- public void setErrorStream(OutputStream err) {
- this.stderr = new PrintStream(err, true);
- }
-
- @Override
- public void setExitCallback(ExitCallback callback) {
- this.callback = callback;
- }
-
- @Override
- public void start(Environment env) throws IOException {
- executor = ThreadUtils.newSingleThreadExecutor(getClass().getSimpleName());
- future = executor.submit(this);
- }
-
- @Override
- public void destroy() {
- stopCommand();
-
- if (stdout != null) {
- try {
- log.info("destroy(" + username + ")[" + command + "] close stdout");
- stdout.close();
- log.info("destroy(" + username + ")[" + command + "] stdout closed");
- } finally {
- stdout = null;
- }
- }
-
- if (stderr != null) {
- try {
- log.info("destroy(" + username + ")[" + command + "] close stderr");
- stderr.close();
- log.info("destroy(" + username + ")[" + command + "] stderr closed");
- } finally {
- stderr = null;
- }
- }
-
- if (stdin != null) {
- try {
- log.info("destroy(" + username + ")[" + command + "] close stdin");
- stdin.close();
- log.info("destroy(" + username + ")[" + command + "] stdin closed");
- } catch (IOException e) {
- log.warn("destroy(" + username + ")[" + command + "] failed (" + e.getClass().getSimpleName() + ") to close stdin: " + e.getMessage());
- if (log.isDebugEnabled()) {
- log.debug("destroy(" + username + ")[" + command + "] failure details", e);
- }
- } finally {
- stdin = null;
- }
- }
- }
-
- private void stopCommand() {
- if ((future != null) && (!future.isDone())) {
- try {
- log.info("stopCommand(" + username + ")[" + command + "] cancelling");
- future.cancel(true);
- log.info("stopCommand(" + username + ")[" + command + "] cancelled");
- } finally {
- future = null;
- }
- }
-
- if ((executor != null) && (!executor.isShutdown())) {
- try {
- log.info("stopCommand(" + username + ")[" + command + "] shutdown executor");
- executor.shutdownNow();
- log.info("stopCommand(" + username + ")[" + command + "] executor shut down");
- } finally {
- executor = null;
- }
- }
- }
- }
-
- public static class MounterCommandFactory implements CommandFactory {
- public static final MounterCommandFactory INSTANCE = new MounterCommandFactory();
-
- public MounterCommandFactory() {
- super();
- }
-
- @Override
- public Command createCommand(String command) {
- return new MounterCommand(command);
- }
- }
-
- private SshFsMounter() {
- throw new UnsupportedOperationException("No instance");
- }
-
- //////////////////////////////////////////////////////////////////////////
-
- public static void main(String[] args) throws Exception {
- int port = SshConfigFileReader.DEFAULT_PORT;
- boolean error = false;
- Map<String, Object> options = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- int numArgs = GenericUtils.length(args);
- for (int i = 0; i < numArgs; i++) {
- String argName = args[i];
- if ("-p".equals(argName)) {
- if ((i + 1) >= numArgs) {
- System.err.println("option requires an argument: " + argName);
- break;
- }
- port = Integer.parseInt(args[++i]);
- } else if ("-io".equals(argName)) {
- if (i + 1 >= numArgs) {
- System.err.println("option requires an argument: " + argName);
- break;
- }
-
- String provider = args[++i];
- if ("mina".equals(provider)) {
- System.setProperty(IoServiceFactory.class.getName(), BuiltinIoServiceFactoryFactories.MINA.getFactoryClassName());
- } else if ("nio2".endsWith(provider)) {
- System.setProperty(IoServiceFactory.class.getName(), BuiltinIoServiceFactoryFactories.NIO2.getFactoryClassName());
- } else {
- System.err.println("provider should be mina or nio2: " + argName);
- error = true;
- break;
- }
- } else if ("-o".equals(argName)) {
- if ((i + 1) >= numArgs) {
- System.err.println("option requires and argument: " + argName);
- error = true;
- break;
- }
- String opt = args[++i];
- int idx = opt.indexOf('=');
- if (idx <= 0) {
- System.err.println("bad syntax for option: " + opt);
- error = true;
- break;
- }
- options.put(opt.substring(0, idx), opt.substring(idx + 1));
- } else if (argName.startsWith("-")) {
- System.err.println("illegal option: " + argName);
- error = true;
- break;
- } else {
- System.err.println("extra argument: " + argName);
- error = true;
- break;
- }
- }
- if (error) {
- System.err.println("usage: sshfs [-p port] [-io mina|nio2] [-o option=value]");
- System.exit(-1);
- }
-
- SshServer sshd = Utils.setupTestServer(SshFsMounter.class);
- Map<String, Object> props = sshd.getProperties();
- props.putAll(options);
- PropertyResolver resolver = PropertyResolverUtils.toPropertyResolver(options);
- File targetFolder = Objects.requireNonNull(Utils.detectTargetFolder(MounterCommandFactory.class), "Failed to detect target folder");
- if (SecurityUtils.isBouncyCastleRegistered()) {
- sshd.setKeyPairProvider(SecurityUtils.createGeneratorHostKeyProvider(new File(targetFolder, "key.pem").toPath()));
- } else {
- sshd.setKeyPairProvider(new SimpleGeneratorHostKeyProvider(new File(targetFolder, "key.ser")));
- }
- // Should come AFTER key pair provider setup so auto-welcome can be generated if needed
- SshServer.setupServerBanner(sshd, resolver);
-
- sshd.setShellFactory(InteractiveProcessShellFactory.INSTANCE);
- sshd.setPasswordAuthenticator(AcceptAllPasswordAuthenticator.INSTANCE);
- sshd.setForwardingFilter(AcceptAllForwardingFilter.INSTANCE);
- sshd.setCommandFactory(new ScpCommandFactory.Builder().withDelegate(MounterCommandFactory.INSTANCE).build());
- sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
- sshd.setPort(port);
-
- System.err.println("Starting SSHD on port " + port);
- sshd.start();
- Thread.sleep(Long.MAX_VALUE);
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/test/java/org/apache/sshd/util/test/TestChannelListener.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/util/test/TestChannelListener.java b/sshd-core/src/test/java/org/apache/sshd/util/test/TestChannelListener.java
new file mode 100644
index 0000000..bc34c25
--- /dev/null
+++ b/sshd-core/src/test/java/org/apache/sshd/util/test/TestChannelListener.java
@@ -0,0 +1,155 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.util.test;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.CopyOnWriteArraySet;
+import java.util.concurrent.Semaphore;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.sshd.common.NamedResource;
+import org.apache.sshd.common.channel.Channel;
+import org.apache.sshd.common.channel.ChannelListener;
+import org.apache.sshd.common.util.logging.AbstractLoggingBean;
+import org.junit.Assert;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class TestChannelListener extends AbstractLoggingBean implements ChannelListener, NamedResource {
+ private final String name;
+ private final Collection<Channel> activeChannels = new CopyOnWriteArraySet<>();
+ private final Semaphore activeChannelsCounter = new Semaphore(0);
+ private final Collection<Channel> openChannels = new CopyOnWriteArraySet<>();
+ private final Semaphore openChannelsCounter = new Semaphore(0);
+ private final Collection<Channel> failedChannels = new CopyOnWriteArraySet<>();
+ private final Semaphore failedChannelsCounter = new Semaphore(0);
+ private final Map<Channel, Collection<String>> channelStateHints = new ConcurrentHashMap<>();
+ private final Semaphore chanelStateCounter = new Semaphore(0);
+ private final Semaphore modificationsCounter = new Semaphore(0);
+ private final Semaphore closedChannelsCounter = new Semaphore(0);
+
+ public TestChannelListener(String discriminator) {
+ super(discriminator);
+ name = discriminator;
+ }
+
+ public boolean waitForModification(long timeout, TimeUnit unit) throws InterruptedException {
+ return modificationsCounter.tryAcquire(timeout, unit);
+ }
+
+ @Override
+ public String getName() {
+ return name;
+ }
+
+ public Collection<Channel> getActiveChannels() {
+ return activeChannels;
+ }
+
+ @Override
+ public void channelInitialized(Channel channel) {
+ Assert.assertTrue("Same channel instance re-initialized: " + channel, activeChannels.add(channel));
+ activeChannelsCounter.release();
+ modificationsCounter.release();
+ log.info("channelInitialized({})", channel);
+ }
+
+ public boolean waitForActiveChannelsChange(long timeout, TimeUnit unit) throws InterruptedException {
+ return activeChannelsCounter.tryAcquire(timeout, unit);
+ }
+
+ public Collection<Channel> getOpenChannels() {
+ return openChannels;
+ }
+
+ @Override
+ public void channelOpenSuccess(Channel channel) {
+ Assert.assertTrue("Open channel not activated: " + channel, activeChannels.contains(channel));
+ Assert.assertTrue("Same channel instance re-opened: " + channel, openChannels.add(channel));
+ openChannelsCounter.release();
+ modificationsCounter.release();
+ log.info("channelOpenSuccess({})", channel);
+ }
+
+ public boolean waitForOpenChannelsChange(long timeout, TimeUnit unit) throws InterruptedException {
+ return openChannelsCounter.tryAcquire(timeout, unit);
+ }
+
+ public Collection<Channel> getFailedChannels() {
+ return failedChannels;
+ }
+
+ @Override
+ public void channelOpenFailure(Channel channel, Throwable reason) {
+ Assert.assertTrue("Failed channel not activated: " + channel, activeChannels.contains(channel));
+ Assert.assertTrue("Same channel instance re-failed: " + channel, failedChannels.add(channel));
+ failedChannelsCounter.release();
+ modificationsCounter.release();
+ log.warn("channelOpenFailure({}) {} : {}", channel, reason.getClass().getSimpleName(), reason.getMessage());
+ if (log.isDebugEnabled()) {
+ log.debug("channelOpenFailure(" + channel + ") details", reason);
+ }
+ }
+
+ public boolean waitForFailedChannelsChange(long timeout, TimeUnit unit) throws InterruptedException {
+ return failedChannelsCounter.tryAcquire(timeout, unit);
+ }
+
+ @Override
+ public void channelClosed(Channel channel, Throwable reason) {
+ Assert.assertTrue("Unknown closed channel instance: " + channel, activeChannels.remove(channel));
+ activeChannelsCounter.release();
+ closedChannelsCounter.release();
+ modificationsCounter.release();
+ log.info("channelClosed({})", channel);
+ }
+
+ public boolean waitForClosedChannelsChange(long timeout, TimeUnit unit) throws InterruptedException {
+ return closedChannelsCounter.tryAcquire(timeout, unit);
+ }
+
+ public Map<Channel, Collection<String>> getChannelStateHints() {
+ return channelStateHints;
+ }
+
+ @Override
+ public void channelStateChanged(Channel channel, String hint) {
+ Collection<String> hints;
+ synchronized (channelStateHints) {
+ hints = channelStateHints.get(channel);
+ if (hints == null) {
+ hints = new CopyOnWriteArrayList<>();
+ channelStateHints.put(channel, hints);
+ }
+ }
+
+ hints.add(hint);
+ chanelStateCounter.release();
+ modificationsCounter.release();
+ }
+
+ @Override
+ public String toString() {
+ return getClass().getSimpleName() + "[" + getName() + "]";
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-git/pom.xml
----------------------------------------------------------------------
diff --git a/sshd-git/pom.xml b/sshd-git/pom.xml
index d0f6c6a..f9e16a7 100644
--- a/sshd-git/pom.xml
+++ b/sshd-git/pom.xml
@@ -61,6 +61,12 @@
<scope>test</scope>
</dependency>
<dependency>
+ <groupId>org.apache.sshd</groupId>
+ <artifactId>sshd-sftp</artifactId>
+ <version>${project.version}</version>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-mina/pom.xml
----------------------------------------------------------------------
diff --git a/sshd-mina/pom.xml b/sshd-mina/pom.xml
index b14b18f..0234e85 100644
--- a/sshd-mina/pom.xml
+++ b/sshd-mina/pom.xml
@@ -50,6 +50,19 @@
<!-- test dependencies -->
<dependency>
+ <groupId>org.apache.sshd</groupId>
+ <artifactId>sshd-core</artifactId>
+ <version>${project.version}</version>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.sshd</groupId>
+ <artifactId>sshd-sftp</artifactId>
+ <version>${project.version}</version>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
<groupId>net.i2p.crypto</groupId>
<artifactId>eddsa</artifactId>
<scope>test</scope>
@@ -107,20 +120,54 @@
</dependencies>
<build>
- <testSourceDirectory>${projectRoot}/sshd-core/src/test/java</testSourceDirectory>
- <resources>
- <resource>
- <directory>src/main/filtered-resources</directory>
- <filtering>true</filtering>
- </resource>
- <resource>
- <directory>${projectRoot}/sshd-core/src/test/resources</directory>
- <targetPath>${project.build.testOutputDirectory}</targetPath>
- </resource>
- </resources>
+ <testSourceDirectory>${build.directory}/test-sources</testSourceDirectory>
+ <testResources>
+ <testResource>
+ <directory>${build.directory}/test-resources</directory>
+ </testResource>
+ </testResources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-resources-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>copy-test-resources</id>
+ <phase>generate-test-resources</phase>
+ <goals>
+ <goal>copy-resources</goal>
+ </goals>
+ <configuration>
+ <outputDirectory>${build.directory}/test-resources</outputDirectory>
+ <resources>
+ <resource>
+ <directory>${projectRoot}/sshd-core/src/test/resources</directory>
+ </resource>
+ </resources>
+ </configuration>
+ </execution>
+ <execution>
+ <id>copy-test-sources</id>
+ <phase>generate-test-sources</phase>
+ <goals>
+ <goal>copy-resources</goal>
+ </goals>
+ <configuration>
+ <outputDirectory>${build.directory}/test-sources</outputDirectory>
+ <resources>
+ <resource>
+ <directory>${projectRoot}/sshd-core/src/test/java</directory>
+ </resource>
+ <resource>
+ <directory>${projectRoot}/sshd-sftp/src/test/java</directory>
+ </resource>
+ </resources>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<redirectTestOutputToFile>true</redirectTestOutputToFile>
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/pom.xml
----------------------------------------------------------------------
diff --git a/sshd-sftp/pom.xml b/sshd-sftp/pom.xml
new file mode 100644
index 0000000..7d4f74a
--- /dev/null
+++ b/sshd-sftp/pom.xml
@@ -0,0 +1,103 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+
+ <!--
+
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ -->
+
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.sshd</groupId>
+ <artifactId>sshd</artifactId>
+ <version>1.7.1-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>sshd-sftp</artifactId>
+ <name>Apache Mina SSHD :: SFTP</name>
+ <packaging>jar</packaging>
+ <inceptionYear>2018</inceptionYear>
+
+ <properties>
+ <projectRoot>${project.basedir}/..</projectRoot>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.sshd</groupId>
+ <artifactId>sshd-core</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.sshd</groupId>
+ <artifactId>sshd-core</artifactId>
+ <version>${project.version}</version>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.mockito</groupId>
+ <artifactId>mockito-core</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>jcl-over-slf4j</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-log4j12</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.jcraft</groupId>
+ <artifactId>jsch</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.jcraft</groupId>
+ <artifactId>jzlib</artifactId>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-surefire-plugin</artifactId>
+ <configuration>
+ <redirectTestOutputToFile>true</redirectTestOutputToFile>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-javadoc-plugin</artifactId>
+ <configuration>
+ <additionalparam>-Xdoclint:none</additionalparam>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+</project>
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/simple/SimpleSftpClient.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/simple/SimpleSftpClient.java b/sshd-sftp/src/main/java/org/apache/sshd/client/simple/SimpleSftpClient.java
new file mode 100644
index 0000000..1034046
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/simple/SimpleSftpClient.java
@@ -0,0 +1,179 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.simple;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.SocketAddress;
+import java.nio.channels.Channel;
+import java.security.KeyPair;
+import java.util.Objects;
+
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.common.util.ValidateUtils;
+
+/**
+ * A simplified <U>synchronous</U> API for obtaining SFTP sessions.
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface SimpleSftpClient extends Channel {
+ /**
+ * Creates an SFTP session on the default port and logs in using the provided credentials
+ *
+ * @param host The target host name or address
+ * @param username Username
+ * @param password Password
+ * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
+ * underlying session
+ * @throws IOException If failed to login or authenticate
+ */
+ default SftpClient sftpLogin(String host, String username, String password) throws IOException {
+ return sftpLogin(host, SimpleClientConfigurator.DEFAULT_PORT, username, password);
+ }
+
+ /**
+ * Creates an SFTP session using the provided credentials
+ *
+ * @param host The target host name or address
+ * @param port The target port
+ * @param username Username
+ * @param password Password
+ * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
+ * underlying session
+ * @throws IOException If failed to login or authenticate
+ */
+ default SftpClient sftpLogin(String host, int port, String username, String password) throws IOException {
+ return sftpLogin(InetAddress.getByName(ValidateUtils.checkNotNullAndNotEmpty(host, "No host")), port, username, password);
+ }
+
+ /**
+ * Creates an SFTP session on the default port and logs in using the provided credentials
+ *
+ * @param host The target host name or address
+ * @param username Username
+ * @param identity The {@link KeyPair} identity
+ * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
+ * underlying session
+ * @throws IOException If failed to login or authenticate
+ */
+ default SftpClient sftpLogin(String host, String username, KeyPair identity) throws IOException {
+ return sftpLogin(host, SimpleClientConfigurator.DEFAULT_PORT, username, identity);
+ }
+
+ /**
+ * Creates an SFTP session using the provided credentials
+ *
+ * @param host The target host name or address
+ * @param port The target port
+ * @param username Username
+ * @param identity The {@link KeyPair} identity
+ * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
+ * underlying session
+ * @throws IOException If failed to login or authenticate
+ */
+ default SftpClient sftpLogin(String host, int port, String username, KeyPair identity) throws IOException {
+ return sftpLogin(InetAddress.getByName(ValidateUtils.checkNotNullAndNotEmpty(host, "No host")), port, username, identity);
+ }
+
+ /**
+ * Creates an SFTP session on the default port and logs in using the provided credentials
+ *
+ * @param host The target host {@link InetAddress}
+ * @param username Username
+ * @param password Password
+ * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
+ * underlying session
+ * @throws IOException If failed to login or authenticate
+ */
+ default SftpClient sftpLogin(InetAddress host, String username, String password) throws IOException {
+ return sftpLogin(host, SimpleClientConfigurator.DEFAULT_PORT, username, password);
+ }
+
+ /**
+ * Creates an SFTP session using the provided credentials
+ *
+ * @param host The target host {@link InetAddress}
+ * @param port The target port
+ * @param username Username
+ * @param password Password
+ * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
+ * underlying session
+ * @throws IOException If failed to login or authenticate
+ */
+ default SftpClient sftpLogin(InetAddress host, int port, String username, String password) throws IOException {
+ return sftpLogin(new InetSocketAddress(Objects.requireNonNull(host, "No host address"), port), username, password);
+ }
+
+ /**
+ * Creates an SFTP session on the default port and logs in using the provided credentials
+ *
+ * @param host The target host {@link InetAddress}
+ * @param username Username
+ * @param identity The {@link KeyPair} identity
+ * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
+ * underlying session
+ * @throws IOException If failed to login or authenticate
+ */
+ default SftpClient sftpLogin(InetAddress host, String username, KeyPair identity) throws IOException {
+ return sftpLogin(host, SimpleClientConfigurator.DEFAULT_PORT, username, identity);
+ }
+
+ /**
+ * Creates an SFTP session using the provided credentials
+ *
+ * @param host The target host {@link InetAddress}
+ * @param port The target port
+ * @param username Username
+ * @param identity The {@link KeyPair} identity
+ * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
+ * underlying session
+ * @throws IOException If failed to login or authenticate
+ */
+ default SftpClient sftpLogin(InetAddress host, int port, String username, KeyPair identity) throws IOException {
+ return sftpLogin(new InetSocketAddress(Objects.requireNonNull(host, "No host address"), port), username, identity);
+ }
+
+ /**
+ * Creates an SFTP session using the provided credentials
+ *
+ * @param target The target {@link SocketAddress}
+ * @param username Username
+ * @param password Password
+ * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
+ * underlying session
+ * @throws IOException If failed to login or authenticate
+ */
+ SftpClient sftpLogin(SocketAddress target, String username, String password) throws IOException;
+
+ /**
+ * Creates an SFTP session using the provided credentials
+ *
+ * @param target The target {@link SocketAddress}
+ * @param username Username
+ * @param identity The {@link KeyPair} identity
+ * @return Created {@link SftpClient} - <B>Note:</B> closing the client also closes its
+ * underlying session
+ * @throws IOException If failed to login or authenticate
+ */
+ SftpClient sftpLogin(SocketAddress target, String username, KeyPair identity) throws IOException;
+
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/simple/SimpleSftpClientImpl.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/simple/SimpleSftpClientImpl.java b/sshd-sftp/src/main/java/org/apache/sshd/client/simple/SimpleSftpClientImpl.java
new file mode 100644
index 0000000..09a7007
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/simple/SimpleSftpClientImpl.java
@@ -0,0 +1,170 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.simple;
+
+import java.io.IOException;
+import java.lang.reflect.Proxy;
+import java.net.SocketAddress;
+import java.security.KeyPair;
+
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClientFactory;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.logging.AbstractLoggingBean;
+
+public class SimpleSftpClientImpl extends AbstractLoggingBean implements SimpleSftpClient {
+
+ private SimpleClient client;
+ private SftpClientFactory sftpClientFactory;
+
+ public SimpleSftpClientImpl(SimpleClient client) {
+ this(client, null);
+ }
+
+ public SimpleSftpClientImpl(SimpleClient client, SftpClientFactory sftpClientFactory) {
+ this.client = client;
+ this.sftpClientFactory = sftpClientFactory != null ? sftpClientFactory : SftpClientFactory.instance();
+ }
+
+ public SimpleClient getClient() {
+ return client;
+ }
+
+ public void setClient(SimpleClient client) {
+ this.client = client;
+ }
+
+ public SftpClientFactory getSftpClientFactory() {
+ return sftpClientFactory;
+ }
+
+ public void setSftpClientFactory(SftpClientFactory sftpClientFactory) {
+ this.sftpClientFactory = sftpClientFactory;
+ }
+
+ @Override
+ public SftpClient sftpLogin(SocketAddress target, String username, String password) throws IOException {
+ return createSftpClient(client.sessionLogin(target, username, password));
+ }
+
+ @Override
+ public SftpClient sftpLogin(SocketAddress target, String username, KeyPair identity) throws IOException {
+ return createSftpClient(client.sessionLogin(target, username, identity));
+ }
+
+ protected SftpClient createSftpClient(final ClientSession session) throws IOException {
+ Exception err = null;
+ try {
+ SftpClient client = sftpClientFactory.createSftpClient(session);
+ try {
+ return createSftpClient(session, client);
+ } catch (Exception e) {
+ err = GenericUtils.accumulateException(err, e);
+ try {
+ client.close();
+ } catch (Exception t) {
+ if (log.isDebugEnabled()) {
+ log.debug("createSftpClient({}) failed ({}) to close client: {}",
+ session, t.getClass().getSimpleName(), t.getMessage());
+ }
+
+ if (log.isTraceEnabled()) {
+ log.trace("createSftpClient(" + session + ") client close failure details", t);
+ }
+ err = GenericUtils.accumulateException(err, t);
+ }
+ }
+ } catch (Exception e) {
+ err = GenericUtils.accumulateException(err, e);
+ }
+
+ // This point is reached if error occurred
+ log.warn("createSftpClient({}) failed ({}) to create session: {}",
+ session, err.getClass().getSimpleName(), err.getMessage());
+
+ try {
+ session.close();
+ } catch (Exception e) {
+ if (log.isDebugEnabled()) {
+ log.debug("createSftpClient({}) failed ({}) to close session: {}",
+ session, e.getClass().getSimpleName(), e.getMessage());
+ }
+
+ if (log.isTraceEnabled()) {
+ log.trace("createSftpClient(" + session + ") session close failure details", e);
+ }
+ err = GenericUtils.accumulateException(err, e);
+ }
+
+ if (err instanceof IOException) {
+ throw (IOException) err;
+ } else {
+ throw new IOException(err);
+ }
+ }
+
+ protected SftpClient createSftpClient(final ClientSession session, final SftpClient client) throws IOException {
+ ClassLoader loader = getClass().getClassLoader();
+ Class<?>[] interfaces = {SftpClient.class};
+ return (SftpClient) Proxy.newProxyInstance(loader, interfaces, (proxy, method, args) -> {
+ Throwable err = null;
+ Object result = null;
+ String name = method.getName();
+ try {
+ result = method.invoke(client, args);
+ } catch (Throwable t) {
+ if (log.isTraceEnabled()) {
+ log.trace("invoke(SftpClient#{}) failed ({}) to execute: {}",
+ name, t.getClass().getSimpleName(), t.getMessage());
+ }
+ err = GenericUtils.accumulateException(err, t);
+ }
+
+ // propagate the "close" call to the session as well
+ if ("close".equals(name) && GenericUtils.isEmpty(args)) {
+ try {
+ session.close();
+ } catch (Throwable t) {
+ if (log.isDebugEnabled()) {
+ log.debug("invoke(ClientSession#{}) failed ({}) to execute: {}",
+ name, t.getClass().getSimpleName(), t.getMessage());
+ }
+ err = GenericUtils.accumulateException(err, t);
+ }
+ }
+
+ if (err != null) {
+ throw err;
+ }
+
+ return result;
+ });
+ }
+
+ @Override
+ public boolean isOpen() {
+ return true;
+ }
+
+ @Override
+ public void close() throws IOException {
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/RawSftpClient.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/RawSftpClient.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/RawSftpClient.java
new file mode 100644
index 0000000..676a03e
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/RawSftpClient.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+
+import org.apache.sshd.common.util.buffer.Buffer;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface RawSftpClient {
+ /**
+ * @param cmd Command to send - <B>Note:</B> only lower 8-bits are used
+ * @param buffer The {@link Buffer} containing the command data
+ * @return The assigned request id
+ * @throws IOException if failed to send command
+ */
+ int send(int cmd, Buffer buffer) throws IOException;
+
+ /**
+ * @param id The expected request id
+ * @return The received response {@link Buffer} containing the request id
+ * @throws IOException If connection closed or interrupted
+ */
+ Buffer receive(int id) throws IOException;
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpAclFileAttributeView.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpAclFileAttributeView.java b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpAclFileAttributeView.java
new file mode 100644
index 0000000..7cada6e
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpAclFileAttributeView.java
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.subsystem.sftp;
+
+import java.io.IOException;
+import java.nio.file.LinkOption;
+import java.nio.file.Path;
+import java.nio.file.attribute.AclEntry;
+import java.nio.file.attribute.AclFileAttributeView;
+import java.nio.file.attribute.PosixFileAttributes;
+import java.nio.file.attribute.UserPrincipal;
+import java.util.List;
+
+import org.apache.sshd.client.subsystem.sftp.impl.AbstractSftpFileAttributeView;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpAclFileAttributeView extends AbstractSftpFileAttributeView implements AclFileAttributeView {
+ public SftpAclFileAttributeView(SftpFileSystemProvider provider, Path path, LinkOption... options) {
+ super(provider, path, options);
+ }
+
+ @Override
+ public UserPrincipal getOwner() throws IOException {
+ PosixFileAttributes v = provider.readAttributes(path, PosixFileAttributes.class, options);
+ return v.owner();
+ }
+
+ @Override
+ public void setOwner(UserPrincipal owner) throws IOException {
+ provider.setAttribute(path, "posix", "owner", owner, options);
+ }
+
+ @Override
+ public String name() {
+ return "acl";
+ }
+
+ @Override
+ public List<AclEntry> getAcl() throws IOException {
+ return readRemoteAttributes().getAcl();
+ }
+
+ @Override
+ public void setAcl(List<AclEntry> acl) throws IOException {
+ writeRemoteAttributes(new SftpClient.Attributes().acl(acl));
+ }
+
+}
[27/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpInputStreamWithChannel.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpInputStreamWithChannel.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpInputStreamWithChannel.java
deleted file mode 100644
index cb75fb6..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpInputStreamWithChannel.java
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.util.Collection;
-import java.util.Objects;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.OpenMode;
-import org.apache.sshd.common.util.io.InputStreamWithChannel;
-
-/**
- * Implements an input stream for reading from a remote file
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpInputStreamWithChannel extends InputStreamWithChannel {
- private final SftpClient client;
- private final String path;
- private byte[] bb;
- private byte[] buffer;
- private int index;
- private int available;
- private CloseableHandle handle;
- private long offset;
-
- public SftpInputStreamWithChannel(SftpClient client, int bufferSize, String path, Collection<OpenMode> mode) throws IOException {
- this.client = Objects.requireNonNull(client, "No SFTP client instance");
- this.path = path;
- bb = new byte[1];
- buffer = new byte[bufferSize];
- handle = client.open(path, mode);
- }
-
- /**
- * The client instance
- *
- * @return {@link SftpClient} instance used to access the remote file
- */
- public final SftpClient getClient() {
- return client;
- }
-
- /**
- * The remotely accessed file path
- *
- * @return Remote file path
- */
- public final String getPath() {
- return path;
- }
-
- @Override
- public boolean isOpen() {
- return (handle != null) && handle.isOpen();
- }
-
- @Override
- public boolean markSupported() {
- return false;
- }
-
- @Override
- public synchronized void mark(int readlimit) {
- throw new UnsupportedOperationException("mark(" + readlimit + ") N/A");
- }
-
- @Override
- public long skip(long n) throws IOException {
- long skipLen;
- long newIndex = index + n;
- long bufLen = Math.max(0L, available);
- if (newIndex > bufLen) {
- // exceeded current buffer
- long extraLen = newIndex - bufLen;
- offset += extraLen;
- skipLen = Math.max(0, bufLen - index) + extraLen;
- // force re-fill of read buffer
- index = 0;
- available = 0;
- } else if (newIndex < 0) {
- // went back - check how far back
- long startOffset = offset - bufLen;
- long newOffset = startOffset + newIndex; // actually a subtraction since newIndex is negative
- newOffset = Math.max(0L, newOffset);
- skipLen = index - newIndex; // actually a adding it since newIndex is negative
- offset = newOffset;
- // force re-fill of read buffer
- index = 0;
- available = 0;
- } else {
- // still within current buffer
- index = (int) newIndex;
- // need to use absolute value since skip size may have been negative
- skipLen = Math.abs(n);
- }
-
- return skipLen;
- }
-
- @Override
- public synchronized void reset() throws IOException {
- offset = 0L;
- // force re-fill of read buffer
- index = 0;
- available = 0;
- }
-
- @Override
- public int read() throws IOException {
- int read = read(bb, 0, 1);
- if (read > 0) {
- return bb[0] & 0xFF;
- }
-
- return read;
- }
-
- @Override
- public int read(byte[] b, int off, int len) throws IOException {
- if (!isOpen()) {
- throw new IOException("read(" + getPath() + ") stream closed");
- }
-
- int idx = off;
- while (len > 0) {
- if (index >= available) {
- available = client.read(handle, offset, buffer, 0, buffer.length);
- if (available < 0) {
- if (idx == off) {
- return -1;
- } else {
- break;
- }
- }
- offset += available;
- index = 0;
- }
- if (index >= available) {
- break;
- }
- int nb = Math.min(len, available - index);
- System.arraycopy(buffer, index, b, idx, nb);
- index += nb;
- idx += nb;
- len -= nb;
- }
-
- return idx - off;
- }
-
- @Override
- public void close() throws IOException {
- if (isOpen()) {
- try {
- handle.close();
- } finally {
- handle = null;
- }
- }
- }
-}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpIterableDirEntry.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpIterableDirEntry.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpIterableDirEntry.java
deleted file mode 100644
index 945e0d7..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpIterableDirEntry.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.util.Objects;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
-import org.apache.sshd.common.util.ValidateUtils;
-
-/**
- * Provides an {@link Iterable} implementation of the {@link DirEntry}-ies
- * for a remote directory
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpIterableDirEntry implements Iterable<DirEntry> {
- private final SftpClient client;
- private final String path;
-
- /**
- * @param client The {@link SftpClient} instance to use for the iteration
- * @param path The remote directory path
- */
- public SftpIterableDirEntry(SftpClient client, String path) {
- this.client = Objects.requireNonNull(client, "No client instance");
- this.path = ValidateUtils.checkNotNullAndNotEmpty(path, "No remote path");
- }
-
- /**
- * The client instance
- *
- * @return {@link SftpClient} instance used to access the remote file
- */
- public final SftpClient getClient() {
- return client;
- }
-
- /**
- * The remotely accessed directory path
- *
- * @return Remote directory path
- */
- public final String getPath() {
- return path;
- }
-
- @Override
- public SftpDirEntryIterator iterator() {
- try {
- return new SftpDirEntryIterator(getClient(), getPath());
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
-}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpOutputStreamWithChannel.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpOutputStreamWithChannel.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpOutputStreamWithChannel.java
deleted file mode 100644
index cf6d972..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpOutputStreamWithChannel.java
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.util.Collection;
-import java.util.Objects;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.CloseableHandle;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.OpenMode;
-import org.apache.sshd.common.util.io.OutputStreamWithChannel;
-
-/**
- * Implements an output stream for a given remote file
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpOutputStreamWithChannel extends OutputStreamWithChannel {
- private final SftpClient client;
- private final String path;
- private final byte[] bb = new byte[1];
- private final byte[] buffer;
- private int index;
- private CloseableHandle handle;
- private long offset;
-
- public SftpOutputStreamWithChannel(SftpClient client, int bufferSize, String path, Collection<OpenMode> mode) throws IOException {
- this.client = Objects.requireNonNull(client, "No SFTP client instance");
- this.path = path;
- buffer = new byte[bufferSize];
- handle = client.open(path, mode);
- }
-
- /**
- * The client instance
- *
- * @return {@link SftpClient} instance used to access the remote file
- */
- public final SftpClient getClient() {
- return client;
- }
-
- /**
- * The remotely accessed file path
- *
- * @return Remote file path
- */
- public final String getPath() {
- return path;
- }
-
- @Override
- public boolean isOpen() {
- return (handle != null) && handle.isOpen();
- }
-
- @Override
- public void write(int b) throws IOException {
- bb[0] = (byte) b;
- write(bb, 0, 1);
- }
-
- @Override
- public void write(byte[] b, int off, int len) throws IOException {
- if (!isOpen()) {
- throw new IOException("write(" + getPath() + ")[len=" + len + "] stream is closed");
- }
-
- do {
- int nb = Math.min(len, buffer.length - index);
- System.arraycopy(b, off, buffer, index, nb);
- index += nb;
- if (index == buffer.length) {
- flush();
- }
- off += nb;
- len -= nb;
- } while (len > 0);
- }
-
- @Override
- public void flush() throws IOException {
- if (!isOpen()) {
- throw new IOException("flush(" + getPath() + ") stream is closed");
- }
-
- client.write(handle, offset, buffer, 0, index);
- offset += index;
- index = 0;
- }
-
- @Override
- public void close() throws IOException {
- if (isOpen()) {
- try {
- try {
- if (index > 0) {
- flush();
- }
- } finally {
- handle.close();
- }
- } finally {
- handle = null;
- }
- }
- }
-}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPath.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPath.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPath.java
deleted file mode 100644
index 5567b58..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPath.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.FileSystem;
-import java.nio.file.LinkOption;
-import java.nio.file.spi.FileSystemProvider;
-import java.util.List;
-
-import org.apache.sshd.common.file.util.BasePath;
-
-public class SftpPath extends BasePath<SftpPath, SftpFileSystem> {
- public SftpPath(SftpFileSystem fileSystem, String root, List<String> names) {
- super(fileSystem, root, names);
- }
-
- @Override
- public SftpPath toRealPath(LinkOption... options) throws IOException {
- // TODO: handle links
- SftpPath absolute = toAbsolutePath();
- FileSystem fs = getFileSystem();
- FileSystemProvider provider = fs.provider();
- provider.checkAccess(absolute);
- return absolute;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPathIterator.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPathIterator.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPathIterator.java
deleted file mode 100644
index 49b4b48..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPathIterator.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.nio.file.Path;
-import java.util.Iterator;
-import java.util.NoSuchElementException;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpPathIterator implements Iterator<Path> {
- private final SftpPath p;
- private final Iterator<? extends SftpClient.DirEntry> it;
- private boolean dotIgnored;
- private boolean dotdotIgnored;
- private SftpClient.DirEntry curEntry;
-
- public SftpPathIterator(SftpPath path, Iterable<? extends SftpClient.DirEntry> iter) {
- this(path, (iter == null) ? null : iter.iterator());
- }
-
- public SftpPathIterator(SftpPath path, Iterator<? extends SftpClient.DirEntry> iter) {
- p = path;
- it = iter;
- curEntry = nextEntry();
- }
-
- @Override
- public boolean hasNext() {
- return curEntry != null;
- }
-
- @Override
- public Path next() {
- if (curEntry == null) {
- throw new NoSuchElementException("No next entry");
- }
-
- SftpClient.DirEntry entry = curEntry;
- curEntry = nextEntry();
- return p.resolve(entry.getFilename());
- }
-
- private SftpClient.DirEntry nextEntry() {
- while ((it != null) && it.hasNext()) {
- SftpClient.DirEntry entry = it.next();
- String name = entry.getFilename();
- if (".".equals(name) && (!dotIgnored)) {
- dotIgnored = true;
- } else if ("..".equals(name) && (!dotdotIgnored)) {
- dotdotIgnored = true;
- } else {
- return entry;
- }
- }
-
- return null;
- }
-
- @Override
- public void remove() {
- throw new UnsupportedOperationException("newDirectoryStream(" + p + ") Iterator#remove() N/A");
- }
-}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributeView.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributeView.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributeView.java
deleted file mode 100644
index 1fb614c..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributeView.java
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.file.LinkOption;
-import java.nio.file.Path;
-import java.nio.file.attribute.FileTime;
-import java.nio.file.attribute.GroupPrincipal;
-import java.nio.file.attribute.PosixFileAttributeView;
-import java.nio.file.attribute.PosixFileAttributes;
-import java.nio.file.attribute.PosixFilePermission;
-import java.nio.file.attribute.UserPrincipal;
-import java.util.Set;
-
-import org.apache.sshd.client.subsystem.sftp.impl.AbstractSftpFileAttributeView;
-import org.apache.sshd.common.util.GenericUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpPosixFileAttributeView extends AbstractSftpFileAttributeView implements PosixFileAttributeView {
- public SftpPosixFileAttributeView(SftpFileSystemProvider provider, Path path, LinkOption... options) {
- super(provider, path, options);
- }
-
- @Override
- public String name() {
- return "posix";
- }
-
- @Override
- public PosixFileAttributes readAttributes() throws IOException {
- return new SftpPosixFileAttributes(path, readRemoteAttributes());
- }
-
- @Override
- public void setTimes(FileTime lastModifiedTime, FileTime lastAccessTime, FileTime createTime) throws IOException {
- SftpClient.Attributes attrs = new SftpClient.Attributes();
- if (lastModifiedTime != null) {
- attrs.modifyTime(lastModifiedTime);
- }
- if (lastAccessTime != null) {
- attrs.accessTime(lastAccessTime);
- }
- if (createTime != null) {
- attrs.createTime(createTime);
- }
-
- if (GenericUtils.isEmpty(attrs.getFlags())) {
- if (log.isDebugEnabled()) {
- log.debug("setTimes({}) no changes", path);
- }
- } else {
- writeRemoteAttributes(attrs);
- }
- }
-
- @Override
- public void setPermissions(Set<PosixFilePermission> perms) throws IOException {
- provider.setAttribute(path, "permissions", perms, options);
- }
-
- @Override
- public void setGroup(GroupPrincipal group) throws IOException {
- provider.setAttribute(path, "group", group, options);
- }
-
- @Override
- public UserPrincipal getOwner() throws IOException {
- return readAttributes().owner();
- }
-
- @Override
- public void setOwner(UserPrincipal owner) throws IOException {
- provider.setAttribute(path, "owner", owner, options);
- }
-}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributes.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributes.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributes.java
deleted file mode 100644
index a07e67f..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpPosixFileAttributes.java
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.nio.file.Path;
-import java.nio.file.attribute.FileTime;
-import java.nio.file.attribute.GroupPrincipal;
-import java.nio.file.attribute.PosixFileAttributes;
-import java.nio.file.attribute.PosixFilePermission;
-import java.nio.file.attribute.UserPrincipal;
-import java.util.Set;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Attributes;
-import org.apache.sshd.common.util.GenericUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpPosixFileAttributes implements PosixFileAttributes {
- private final Path path;
- private final Attributes attributes;
-
- public SftpPosixFileAttributes(Path path, Attributes attributes) {
- this.path = path;
- this.attributes = attributes;
- }
-
- /**
- * @return The referenced attributes file {@link Path}
- */
- public final Path getPath() {
- return path;
- }
-
- @Override
- public UserPrincipal owner() {
- String owner = attributes.getOwner();
- return GenericUtils.isEmpty(owner) ? null : new SftpFileSystem.DefaultUserPrincipal(owner);
- }
-
- @Override
- public GroupPrincipal group() {
- String group = attributes.getGroup();
- return GenericUtils.isEmpty(group) ? null : new SftpFileSystem.DefaultGroupPrincipal(group);
- }
-
- @Override
- public Set<PosixFilePermission> permissions() {
- return SftpFileSystemProvider.permissionsToAttributes(attributes.getPermissions());
- }
-
- @Override
- public FileTime lastModifiedTime() {
- return attributes.getModifyTime();
- }
-
- @Override
- public FileTime lastAccessTime() {
- return attributes.getAccessTime();
- }
-
- @Override
- public FileTime creationTime() {
- return attributes.getCreateTime();
- }
-
- @Override
- public boolean isRegularFile() {
- return attributes.isRegularFile();
- }
-
- @Override
- public boolean isDirectory() {
- return attributes.isDirectory();
- }
-
- @Override
- public boolean isSymbolicLink() {
- return attributes.isSymbolicLink();
- }
-
- @Override
- public boolean isOther() {
- return attributes.isOther();
- }
-
- @Override
- public long size() {
- return attributes.getSize();
- }
-
- @Override
- public Object fileKey() {
- // TODO consider implementing this
- return null;
- }
-}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpRemotePathChannel.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpRemotePathChannel.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpRemotePathChannel.java
deleted file mode 100644
index 9195009..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpRemotePathChannel.java
+++ /dev/null
@@ -1,412 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.nio.MappedByteBuffer;
-import java.nio.channels.AsynchronousCloseException;
-import java.nio.channels.ClosedChannelException;
-import java.nio.channels.FileChannel;
-import java.nio.channels.FileLock;
-import java.nio.channels.OverlappingFileLockException;
-import java.nio.channels.ReadableByteChannel;
-import java.nio.channels.WritableByteChannel;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.EnumSet;
-import java.util.List;
-import java.util.Objects;
-import java.util.Set;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicLong;
-import java.util.concurrent.atomic.AtomicReference;
-
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.io.IoUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public class SftpRemotePathChannel extends FileChannel {
- public static final String COPY_BUFSIZE_PROP = "sftp-channel-copy-buf-size";
- public static final int DEFAULT_TRANSFER_BUFFER_SIZE = IoUtils.DEFAULT_COPY_SIZE;
-
- public static final Set<SftpClient.OpenMode> READ_MODES =
- Collections.unmodifiableSet(EnumSet.of(SftpClient.OpenMode.Read));
-
- public static final Set<SftpClient.OpenMode> WRITE_MODES =
- Collections.unmodifiableSet(
- EnumSet.of(SftpClient.OpenMode.Write, SftpClient.OpenMode.Append, SftpClient.OpenMode.Create, SftpClient.OpenMode.Truncate));
-
- private final String path;
- private final Collection<SftpClient.OpenMode> modes;
- private final boolean closeOnExit;
- private final SftpClient sftp;
- private final SftpClient.CloseableHandle handle;
- private final Object lock = new Object();
- private final AtomicLong posTracker = new AtomicLong(0L);
- private final AtomicReference<Thread> blockingThreadHolder = new AtomicReference<>(null);
-
- public SftpRemotePathChannel(String path, SftpClient sftp, boolean closeOnExit, Collection<SftpClient.OpenMode> modes) throws IOException {
- this.path = ValidateUtils.checkNotNullAndNotEmpty(path, "No remote file path specified");
- this.modes = Objects.requireNonNull(modes, "No channel modes specified");
- this.sftp = Objects.requireNonNull(sftp, "No SFTP client instance");
- this.closeOnExit = closeOnExit;
- this.handle = sftp.open(path, modes);
- }
-
- public String getRemotePath() {
- return path;
- }
-
- @Override
- public int read(ByteBuffer dst) throws IOException {
- return (int) doRead(Collections.singletonList(dst), -1);
- }
-
- @Override
- public int read(ByteBuffer dst, long position) throws IOException {
- if (position < 0) {
- throw new IllegalArgumentException("read(" + getRemotePath() + ") illegal position to read from: " + position);
- }
- return (int) doRead(Collections.singletonList(dst), position);
- }
-
- @Override
- public long read(ByteBuffer[] dsts, int offset, int length) throws IOException {
- List<ByteBuffer> buffers = Arrays.asList(dsts).subList(offset, offset + length);
- return doRead(buffers, -1);
- }
-
- protected long doRead(List<ByteBuffer> buffers, long position) throws IOException {
- ensureOpen(READ_MODES);
- synchronized (lock) {
- boolean completed = false;
- boolean eof = false;
- long curPos = (position >= 0L) ? position : posTracker.get();
- try {
- long totalRead = 0;
- beginBlocking();
- loop:
- for (ByteBuffer buffer : buffers) {
- while (buffer.remaining() > 0) {
- ByteBuffer wrap = buffer;
- if (!buffer.hasArray()) {
- wrap = ByteBuffer.allocate(Math.min(IoUtils.DEFAULT_COPY_SIZE, buffer.remaining()));
- }
- int read = sftp.read(handle, curPos, wrap.array(), wrap.arrayOffset() + wrap.position(), wrap.remaining());
- if (read > 0) {
- if (wrap == buffer) {
- wrap.position(wrap.position() + read);
- } else {
- buffer.put(wrap.array(), wrap.arrayOffset(), read);
- }
- curPos += read;
- totalRead += read;
- } else {
- eof = read == -1;
- break loop;
- }
- }
- }
- completed = true;
- if (totalRead > 0) {
- return totalRead;
- }
-
- if (eof) {
- return -1;
- } else {
- return 0;
- }
- } finally {
- if (position < 0L) {
- posTracker.set(curPos);
- }
- endBlocking(completed);
- }
- }
- }
-
- @Override
- public int write(ByteBuffer src) throws IOException {
- return (int) doWrite(Collections.singletonList(src), -1);
- }
-
- @Override
- public int write(ByteBuffer src, long position) throws IOException {
- if (position < 0L) {
- throw new IllegalArgumentException("write(" + getRemotePath() + ") illegal position to write to: " + position);
- }
- return (int) doWrite(Collections.singletonList(src), position);
- }
-
- @Override
- public long write(ByteBuffer[] srcs, int offset, int length) throws IOException {
- List<ByteBuffer> buffers = Arrays.asList(srcs).subList(offset, offset + length);
- return doWrite(buffers, -1);
- }
-
- protected long doWrite(List<ByteBuffer> buffers, long position) throws IOException {
- ensureOpen(WRITE_MODES);
- synchronized (lock) {
- boolean completed = false;
- long curPos = (position >= 0L) ? position : posTracker.get();
- try {
- long totalWritten = 0L;
- beginBlocking();
- for (ByteBuffer buffer : buffers) {
- while (buffer.remaining() > 0) {
- ByteBuffer wrap = buffer;
- if (!buffer.hasArray()) {
- wrap = ByteBuffer.allocate(Math.min(IoUtils.DEFAULT_COPY_SIZE, buffer.remaining()));
- buffer.get(wrap.array(), wrap.arrayOffset(), wrap.remaining());
- }
- int written = wrap.remaining();
- sftp.write(handle, curPos, wrap.array(), wrap.arrayOffset() + wrap.position(), written);
- if (wrap == buffer) {
- wrap.position(wrap.position() + written);
- }
- curPos += written;
- totalWritten += written;
- }
- }
- completed = true;
- return totalWritten;
- } finally {
- if (position < 0L) {
- posTracker.set(curPos);
- }
- endBlocking(completed);
- }
- }
- }
-
- @Override
- public long position() throws IOException {
- ensureOpen(Collections.emptySet());
- return posTracker.get();
- }
-
- @Override
- public FileChannel position(long newPosition) throws IOException {
- if (newPosition < 0L) {
- throw new IllegalArgumentException("position(" + getRemotePath() + ") illegal file channel position: " + newPosition);
- }
-
- ensureOpen(Collections.emptySet());
- posTracker.set(newPosition);
- return this;
- }
-
- @Override
- public long size() throws IOException {
- ensureOpen(Collections.emptySet());
- return sftp.stat(handle).getSize();
- }
-
- @Override
- public FileChannel truncate(long size) throws IOException {
- ensureOpen(Collections.emptySet());
- sftp.setStat(handle, new SftpClient.Attributes().size(size));
- return this;
- }
-
- @Override
- public void force(boolean metaData) throws IOException {
- ensureOpen(Collections.emptySet());
- }
-
- @Override
- public long transferTo(long position, long count, WritableByteChannel target) throws IOException {
- if ((position < 0) || (count < 0)) {
- throw new IllegalArgumentException("transferTo(" + getRemotePath() + ") illegal position (" + position + ") or count (" + count + ")");
- }
- ensureOpen(READ_MODES);
- synchronized (lock) {
- boolean completed = false;
- boolean eof = false;
- long curPos = position;
- try {
- beginBlocking();
-
- int bufSize = (int) Math.min(count, Short.MAX_VALUE + 1);
- byte[] buffer = new byte[bufSize];
- long totalRead = 0L;
- while (totalRead < count) {
- int read = sftp.read(handle, curPos, buffer, 0, buffer.length);
- if (read > 0) {
- ByteBuffer wrap = ByteBuffer.wrap(buffer);
- while (wrap.remaining() > 0) {
- target.write(wrap);
- }
- curPos += read;
- totalRead += read;
- } else {
- eof = read == -1;
- }
- }
- completed = true;
- return totalRead > 0 ? totalRead : eof ? -1 : 0;
- } finally {
- endBlocking(completed);
- }
- }
- }
-
- @Override
- public long transferFrom(ReadableByteChannel src, long position, long count) throws IOException {
- if ((position < 0) || (count < 0)) {
- throw new IllegalArgumentException("transferFrom(" + getRemotePath() + ") illegal position (" + position + ") or count (" + count + ")");
- }
- ensureOpen(WRITE_MODES);
-
- int copySize = sftp.getClientSession().getIntProperty(COPY_BUFSIZE_PROP, DEFAULT_TRANSFER_BUFFER_SIZE);
- boolean completed = false;
- long curPos = (position >= 0L) ? position : posTracker.get();
- long totalRead = 0L;
- byte[] buffer = new byte[(int) Math.min(copySize, count)];
-
- synchronized (lock) {
- try {
- beginBlocking();
-
- while (totalRead < count) {
- ByteBuffer wrap = ByteBuffer.wrap(buffer, 0, (int) Math.min(buffer.length, count - totalRead));
- int read = src.read(wrap);
- if (read > 0) {
- sftp.write(handle, curPos, buffer, 0, read);
- curPos += read;
- totalRead += read;
- } else {
- break;
- }
- }
- completed = true;
- return totalRead;
- } finally {
- endBlocking(completed);
- }
- }
- }
-
- @Override
- public MappedByteBuffer map(MapMode mode, long position, long size) throws IOException {
- throw new UnsupportedOperationException("map(" + getRemotePath() + ")[" + mode + "," + position + "," + size + "] N/A");
- }
-
- @Override
- public FileLock lock(long position, long size, boolean shared) throws IOException {
- return tryLock(position, size, shared);
- }
-
- @Override
- public FileLock tryLock(final long position, final long size, boolean shared) throws IOException {
- ensureOpen(Collections.emptySet());
-
- try {
- sftp.lock(handle, position, size, 0);
- } catch (SftpException e) {
- if (e.getStatus() == SftpConstants.SSH_FX_LOCK_CONFLICT) {
- throw new OverlappingFileLockException();
- }
- throw e;
- }
-
- return new FileLock(this, position, size, shared) {
- private final AtomicBoolean valid = new AtomicBoolean(true);
-
- @Override
- public boolean isValid() {
- return acquiredBy().isOpen() && valid.get();
- }
-
- @SuppressWarnings("synthetic-access")
- @Override
- public void release() throws IOException {
- if (valid.compareAndSet(true, false)) {
- sftp.unlock(handle, position, size);
- }
- }
- };
- }
-
- @Override
- protected void implCloseChannel() throws IOException {
- try {
- final Thread thread = blockingThreadHolder.get();
- if (thread != null) {
- thread.interrupt();
- }
- } finally {
- try {
- handle.close();
- } finally {
- if (closeOnExit) {
- sftp.close();
- }
- }
- }
- }
-
- private void beginBlocking() {
- begin();
- blockingThreadHolder.set(Thread.currentThread());
- }
-
- private void endBlocking(boolean completed) throws AsynchronousCloseException {
- blockingThreadHolder.set(null);
- end(completed);
- }
-
- /**
- * Checks that the channel is open and that its current mode contains
- * at least one of the required ones
- *
- * @param reqModes The required modes - ignored if {@code null}/empty
- * @throws IOException If channel not open or the required modes are not
- * satisfied
- */
- private void ensureOpen(Collection<SftpClient.OpenMode> reqModes) throws IOException {
- if (!isOpen()) {
- throw new ClosedChannelException();
- }
-
- if (GenericUtils.size(reqModes) > 0) {
- for (SftpClient.OpenMode m : reqModes) {
- if (this.modes.contains(m)) {
- return;
- }
- }
-
- throw new IOException("ensureOpen(" + getRemotePath() + ") current channel modes (" + this.modes + ") do contain any of the required: " + reqModes);
- }
- }
-
- @Override
- public String toString() {
- return getRemotePath();
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelector.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelector.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelector.java
deleted file mode 100644
index 3f0de71..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/SftpVersionSelector.java
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.util.Collection;
-import java.util.List;
-import java.util.stream.StreamSupport;
-
-import org.apache.sshd.client.session.ClientSession;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.NumberUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-@FunctionalInterface
-public interface SftpVersionSelector {
- /**
- * An {@link SftpVersionSelector} that returns the current version
- */
- SftpVersionSelector CURRENT = new NamedVersionSelector("CURRENT", (session, current, available) -> current);
-
- /**
- * An {@link SftpVersionSelector} that returns the maximum available version
- */
- SftpVersionSelector MAXIMUM = new NamedVersionSelector("MAXIMUM", (session, current, available) ->
- GenericUtils.stream(available).mapToInt(Integer::intValue).max().orElse(current));
-
- /**
- * An {@link SftpVersionSelector} that returns the maximum available version
- */
- SftpVersionSelector MINIMUM = new NamedVersionSelector("MINIMUM", (session, current, available) ->
- GenericUtils.stream(available).mapToInt(Integer::intValue).min().orElse(current));
-
- /**
- * @param session The {@link ClientSession} through which the SFTP connection is made
- * @param current The current version negotiated with the server
- * @param available Extra versions available - may be empty and/or contain only the current one
- * @return The new requested version - if same as current, then nothing is done
- */
- int selectVersion(ClientSession session, int current, List<Integer> available);
-
- /**
- * Creates a selector the always returns the requested (fixed version) regardless
- * of what the current or reported available versions are. If the requested version
- * is not reported as available then an exception will be eventually thrown by the
- * client during re-negotiation phase.
- *
- * @param version The requested version
- * @return The {@link SftpVersionSelector}
- */
- static SftpVersionSelector fixedVersionSelector(int version) {
- return new NamedVersionSelector(Integer.toString(version), (session, current, available) -> version);
- }
-
- /**
- * Selects a version in order of preference - if none of the preferred
- * versions is listed as available then an exception is thrown when the
- * {@link SftpVersionSelector#selectVersion(ClientSession, int, List)} method is invoked
- *
- * @param preferred The preferred versions in decreasing order of
- * preference (i.e., most preferred is 1st) - may not be {@code null}/empty
- * @return A {@link SftpVersionSelector} that attempts to select
- * the most preferred version that is also listed as available.
- */
- static SftpVersionSelector preferredVersionSelector(int... preferred) {
- return preferredVersionSelector(NumberUtils.asList(preferred));
-
- }
-
- /**
- * Selects a version in order of preference - if none of the preferred
- * versions is listed as available then an exception is thrown when the
- * {@link SftpVersionSelector#selectVersion(ClientSession, int, List)} method is invoked
- *
- * @param preferred The preferred versions in decreasing order of
- * preference (i.e., most preferred is 1st)
- * @return A {@link SftpVersionSelector} that attempts to select
- * the most preferred version that is also listed as available.
- */
- static SftpVersionSelector preferredVersionSelector(Iterable<? extends Number> preferred) {
- ValidateUtils.checkNotNullAndNotEmpty((Collection<?>) preferred, "Empty preferred versions");
- return new NamedVersionSelector(GenericUtils.join(preferred, ','), (session, current, available) -> StreamSupport.stream(preferred.spliterator(), false)
- .mapToInt(Number::intValue)
- .filter(v -> v == current || available.contains(v))
- .findFirst()
- .orElseThrow(() -> new IllegalStateException("Preferred versions (" + preferred + ") not available: " + available)));
- }
-
- class NamedVersionSelector implements SftpVersionSelector {
- private final String name;
- private final SftpVersionSelector selector;
-
- public NamedVersionSelector(String name, SftpVersionSelector selector) {
- this.name = name;
- this.selector = selector;
- }
-
- @Override
- public int selectVersion(ClientSession session, int current, List<Integer> available) {
- return selector.selectVersion(session, current, available);
- }
-
- @Override
- public String toString() {
- return name;
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/StfpIterableDirHandle.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/StfpIterableDirHandle.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/StfpIterableDirHandle.java
deleted file mode 100644
index c3be157..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/StfpIterableDirHandle.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sshd.client.subsystem.sftp;
-
-import java.util.Objects;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.DirEntry;
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-
-public class StfpIterableDirHandle implements Iterable<DirEntry> {
- private final SftpClient client;
- private final Handle handle;
-
- /**
- * @param client The {@link SftpClient} to use for iteration
- * @param handle The remote directory {@link Handle}
- */
- public StfpIterableDirHandle(SftpClient client, Handle handle) {
- this.client = Objects.requireNonNull(client, "No client instance");
- this.handle = handle;
- }
-
- /**
- * The client instance
- *
- * @return {@link SftpClient} instance used to access the remote file
- */
- public final SftpClient getClient() {
- return client;
- }
-
- /**
- * @return The remote directory {@link Handle}
- */
- public final Handle getHandle() {
- return handle;
- }
-
- @Override
- public SftpDirEntryIterator iterator() {
- return new SftpDirEntryIterator(getClient(), getHandle());
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensions.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensions.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensions.java
deleted file mode 100644
index 9e83837..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/BuiltinSftpClientExtensions.java
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import java.util.Collections;
-import java.util.EnumSet;
-import java.util.Map;
-import java.util.Set;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.client.subsystem.sftp.extensions.helpers.CheckFileHandleExtensionImpl;
-import org.apache.sshd.client.subsystem.sftp.extensions.helpers.CheckFileNameExtensionImpl;
-import org.apache.sshd.client.subsystem.sftp.extensions.helpers.CopyDataExtensionImpl;
-import org.apache.sshd.client.subsystem.sftp.extensions.helpers.CopyFileExtensionImpl;
-import org.apache.sshd.client.subsystem.sftp.extensions.helpers.MD5FileExtensionImpl;
-import org.apache.sshd.client.subsystem.sftp.extensions.helpers.MD5HandleExtensionImpl;
-import org.apache.sshd.client.subsystem.sftp.extensions.helpers.SpaceAvailableExtensionImpl;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHFsyncExtension;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatHandleExtension;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatPathExtension;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers.OpenSSHFsyncExtensionImpl;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers.OpenSSHStatHandleExtensionImpl;
-import org.apache.sshd.client.subsystem.sftp.extensions.openssh.helpers.OpenSSHStatPathExtensionImpl;
-import org.apache.sshd.common.NamedResource;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FstatVfsExtensionParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FsyncExtensionParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.StatVfsExtensionParser;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public enum BuiltinSftpClientExtensions implements SftpClientExtensionFactory {
- COPY_FILE(SftpConstants.EXT_COPY_FILE, CopyFileExtension.class) {
- @Override // co-variant return
- public CopyFileExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
- return new CopyFileExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
- }
- },
- COPY_DATA(SftpConstants.EXT_COPY_DATA, CopyDataExtension.class) {
- @Override // co-variant return
- public CopyDataExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
- return new CopyDataExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
- }
- },
- MD5_FILE(SftpConstants.EXT_MD5_HASH, MD5FileExtension.class) {
- @Override // co-variant return
- public MD5FileExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
- return new MD5FileExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
- }
- },
- MD5_HANDLE(SftpConstants.EXT_MD5_HASH_HANDLE, MD5HandleExtension.class) {
- @Override // co-variant return
- public MD5HandleExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
- return new MD5HandleExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
- }
- },
- CHECK_FILE_NAME(SftpConstants.EXT_CHECK_FILE_NAME, CheckFileNameExtension.class) {
- @Override // co-variant return
- public CheckFileNameExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
- return new CheckFileNameExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
- }
- },
- CHECK_FILE_HANDLE(SftpConstants.EXT_CHECK_FILE_HANDLE, CheckFileHandleExtension.class) {
- @Override // co-variant return
- public CheckFileHandleExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
- return new CheckFileHandleExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
- }
- },
- SPACE_AVAILABLE(SftpConstants.EXT_SPACE_AVAILABLE, SpaceAvailableExtension.class) {
- @Override // co-variant return
- public SpaceAvailableExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
- return new SpaceAvailableExtensionImpl(client, raw, ParserUtils.supportedExtensions(parsed));
- }
- },
- OPENSSH_FSYNC(FsyncExtensionParser.NAME, OpenSSHFsyncExtension.class) {
- @Override // co-variant return
- public OpenSSHFsyncExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
- return new OpenSSHFsyncExtensionImpl(client, raw, extensions);
- }
- },
- OPENSSH_STAT_HANDLE(FstatVfsExtensionParser.NAME, OpenSSHStatHandleExtension.class) {
- @Override // co-variant return
- public OpenSSHStatHandleExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
- return new OpenSSHStatHandleExtensionImpl(client, raw, extensions);
- }
- },
- OPENSSH_STAT_PATH(StatVfsExtensionParser.NAME, OpenSSHStatPathExtension.class) {
- @Override // co-variant return
- public OpenSSHStatPathExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed) {
- return new OpenSSHStatPathExtensionImpl(client, raw, extensions);
- }
- };
-
- public static final Set<BuiltinSftpClientExtensions> VALUES =
- Collections.unmodifiableSet(EnumSet.allOf(BuiltinSftpClientExtensions.class));
-
- private final String name;
-
- private final Class<? extends SftpClientExtension> type;
-
- BuiltinSftpClientExtensions(String name, Class<? extends SftpClientExtension> type) {
- this.name = name;
- this.type = type;
- }
-
- @Override
- public final String getName() {
- return name;
- }
-
- public final Class<? extends SftpClientExtension> getType() {
- return type;
- }
-
- public static BuiltinSftpClientExtensions fromName(String n) {
- return NamedResource.findByName(n, String.CASE_INSENSITIVE_ORDER, VALUES);
- }
-
- public static BuiltinSftpClientExtensions fromInstance(Object o) {
- return fromType((o == null) ? null : o.getClass());
- }
-
- public static BuiltinSftpClientExtensions fromType(Class<?> type) {
- if ((type == null) || (!SftpClientExtension.class.isAssignableFrom(type))) {
- return null;
- }
-
- // the base class is assignable to everybody so we cannot distinguish between the enum(s)
- if (SftpClientExtension.class == type) {
- return null;
- }
-
- for (BuiltinSftpClientExtensions v : VALUES) {
- Class<?> vt = v.getType();
- if (vt.isAssignableFrom(type)) {
- return v;
- }
- }
-
- return null;
- }
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileHandleExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileHandleExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileHandleExtension.java
deleted file mode 100644
index 3261a63..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileHandleExtension.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import java.io.IOException;
-import java.util.Collection;
-import java.util.Map;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.2</A>
- */
-public interface CheckFileHandleExtension extends SftpClientExtension {
- /**
- * @param handle Remote file {@link Handle} - must be a file and opened for read
- * @param algorithms Hash algorithms in preferred order
- * @param startOffset Start offset of the hash
- * @param length Length of data to hash - if zero then till EOF
- * @param blockSize Input block size to calculate individual hashes - if
- * zero the <U>one</U> hash of <U>all</U> the data
- * @return An <U>immutable</U> {@link java.util.Map.Entry} where key=hash algorithm name,
- * value=the calculated hashes.
- * @throws IOException If failed to execute the command
- */
- Map.Entry<String, Collection<byte[]>> checkFileHandle(Handle handle, Collection<String> algorithms, long startOffset, long length, int blockSize) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileNameExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileNameExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileNameExtension.java
deleted file mode 100644
index 14e0204..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CheckFileNameExtension.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import java.io.IOException;
-import java.util.Collection;
-import java.util.Map;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.2</A>
- */
-public interface CheckFileNameExtension extends SftpClientExtension {
- /**
- * @param name Remote file name/path
- * @param algorithms Hash algorithms in preferred order
- * @param startOffset Start offset of the hash
- * @param length Length of data to hash - if zero then till EOF
- * @param blockSize Input block size to calculate individual hashes - if
- * zero the <U>one</U> hash of <U>all</U> the data
- * @return An <U>immutable</U> {@link java.util.Map.Entry} key left=hash algorithm name,
- * value=the calculated hashes.
- * @throws IOException If failed to execute the command
- */
- Map.Entry<String, Collection<byte[]>> checkFileName(String name, Collection<String> algorithms, long startOffset, long length, int blockSize) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyDataExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyDataExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyDataExtension.java
deleted file mode 100644
index 0250b86..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyDataExtension.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import java.io.IOException;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
-
-/**
- * Implements the "copy-data" extension
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="http://tools.ietf.org/id/draft-ietf-secsh-filexfer-extensions-00.txt">DRAFT 00 section 7</A>
- */
-public interface CopyDataExtension extends SftpClientExtension {
- void copyData(Handle readHandle, long readOffset, long readLength, Handle writeHandle, long writeOffset) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyFileExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyFileExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyFileExtension.java
deleted file mode 100644
index 749c1a6..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/CopyFileExtension.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import java.io.IOException;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-extensions-00#section-6">copy-file extension</A>
- */
-public interface CopyFileExtension extends SftpClientExtension {
- /**
- * @param src The (<U>remote</U>) file source path
- * @param dst The (<U>remote</U>) file destination path
- * @param overwriteDestination If {@code true} then OK to override destination if exists
- * @throws IOException If failed to execute the command or extension not supported
- */
- void copyFile(String src, String dst, boolean overwriteDestination) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5FileExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5FileExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5FileExtension.java
deleted file mode 100644
index 2e8d23f..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5FileExtension.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import java.io.IOException;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.1</A>
- */
-public interface MD5FileExtension extends SftpClientExtension {
- /**
- * @param path The (remote) path
- * @param offset The offset to start calculating the hash
- * @param length The number of data bytes to calculate the hash on - if
- * greater than available, then up to whatever is available
- * @param quickHash A quick-hash of the 1st 2048 bytes - ignored if {@code null}/empty
- * @return The hash value if the quick hash matches (or {@code null}/empty), or
- * {@code null}/empty if the quick hash is provided and it does not match
- * @throws IOException If failed to calculate the hash
- */
- byte[] getHash(String path, long offset, long length, byte[] quickHash) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5HandleExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5HandleExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5HandleExtension.java
deleted file mode 100644
index 18392fa..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/MD5HandleExtension.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import java.io.IOException;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 9.1.1</A>
- */
-public interface MD5HandleExtension extends SftpClientExtension {
- /**
- * @param handle The (remote) file {@code Handle}
- * @param offset The offset to start calculating the hash
- * @param length The number of data bytes to calculate the hash on - if
- * greater than available, then up to whatever is available
- * @param quickHash A quick-hash of the 1st 2048 bytes - ignored if {@code null}/empty
- * @return The hash value if the quick hash matches (or {@code null}/empty), or
- * {@code null}/empty if the quick hash is provided and it does not match
- * @throws IOException If failed to calculate the hash
- */
- byte[] getHash(SftpClient.Handle handle, long offset, long length, byte[] quickHash) throws IOException;
-
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtension.java
deleted file mode 100644
index c27a9e1..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtension.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.common.NamedResource;
-import org.apache.sshd.common.OptionalFeature;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpClientExtension extends NamedResource, OptionalFeature {
- /**
- * @return The {@link SftpClient} used to issue the extended command
- */
- SftpClient getClient();
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtensionFactory.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtensionFactory.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtensionFactory.java
deleted file mode 100644
index 0692a04..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SftpClientExtensionFactory.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import java.util.Map;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.common.NamedResource;
-import org.apache.sshd.common.subsystem.sftp.extensions.ParserUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public interface SftpClientExtensionFactory extends NamedResource {
- default SftpClientExtension create(SftpClient client, RawSftpClient raw) {
- Map<String, byte[]> extensions = client.getServerExtensions();
- return create(client, raw, extensions, ParserUtils.parse(extensions));
- }
-
- SftpClientExtension create(SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions, Map<String, ?> parsed);
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SpaceAvailableExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SpaceAvailableExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SpaceAvailableExtension.java
deleted file mode 100644
index 2cc938b..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/SpaceAvailableExtension.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions;
-
-import java.io.IOException;
-
-import org.apache.sshd.common.subsystem.sftp.extensions.SpaceAvailableExtensionInfo;
-
-/**
- * Implements the "space-available" extension
- *
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 section 9.2</A>
- */
-public interface SpaceAvailableExtension extends SftpClientExtension {
- SpaceAvailableExtensionInfo available(String path) throws IOException;
-}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtension.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtension.java b/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtension.java
deleted file mode 100644
index 1411098..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/client/subsystem/sftp/extensions/helpers/AbstractCheckFileExtension.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.client.subsystem.sftp.extensions.helpers;
-
-import java.io.IOException;
-import java.io.StreamCorruptedException;
-import java.util.AbstractMap.SimpleImmutableEntry;
-import java.util.Collection;
-import java.util.LinkedList;
-
-import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
-import org.apache.sshd.client.subsystem.sftp.SftpClient;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractCheckFileExtension extends AbstractSftpClientExtension {
- protected AbstractCheckFileExtension(String name, SftpClient client, RawSftpClient raw, Collection<String> extras) {
- super(name, client, raw, extras);
- }
-
- protected SimpleImmutableEntry<String, Collection<byte[]>> doGetHash(Object target, Collection<String> algorithms, long offset, long length, int blockSize) throws IOException {
- Buffer buffer = getCommandBuffer(target, Byte.MAX_VALUE);
- putTarget(buffer, target);
- buffer.putString(GenericUtils.join(algorithms, ','));
- buffer.putLong(offset);
- buffer.putLong(length);
- buffer.putInt(blockSize);
-
- if (log.isDebugEnabled()) {
- log.debug("doGetHash({})[{}] - offset={}, length={}, block-size={}",
- getName(), (target instanceof CharSequence) ? target : BufferUtils.toHex(BufferUtils.EMPTY_HEX_SEPARATOR, (byte[]) target),
- offset, length, blockSize);
- }
-
- buffer = checkExtendedReplyBuffer(receive(sendExtendedCommand(buffer)));
- if (buffer == null) {
- throw new StreamCorruptedException("Missing extended reply data");
- }
-
- String targetType = buffer.getString();
- if (String.CASE_INSENSITIVE_ORDER.compare(targetType, SftpConstants.EXT_CHECK_FILE) != 0) {
- throw new StreamCorruptedException("Mismatched reply type: expected=" + SftpConstants.EXT_CHECK_FILE + ", actual=" + targetType);
- }
-
- String algo = buffer.getString();
- Collection<byte[]> hashes = new LinkedList<>();
- while (buffer.available() > 0) {
- byte[] hashValue = buffer.getBytes();
- hashes.add(hashValue);
- }
-
- return new SimpleImmutableEntry<>(algo, hashes);
- }
-}
[22/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpSubsystemHelper.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpSubsystemHelper.java b/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpSubsystemHelper.java
deleted file mode 100644
index 08213ee..0000000
--- a/sshd-core/src/main/java/org/apache/sshd/server/subsystem/sftp/AbstractSftpSubsystemHelper.java
+++ /dev/null
@@ -1,2580 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.sshd.server.subsystem.sftp;
-
-import java.io.EOFException;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.StreamCorruptedException;
-import java.nio.ByteBuffer;
-import java.nio.channels.SeekableByteChannel;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.AccessDeniedException;
-import java.nio.file.CopyOption;
-import java.nio.file.FileAlreadyExistsException;
-import java.nio.file.FileStore;
-import java.nio.file.FileSystem;
-import java.nio.file.Files;
-import java.nio.file.InvalidPathException;
-import java.nio.file.LinkOption;
-import java.nio.file.NoSuchFileException;
-import java.nio.file.NotDirectoryException;
-import java.nio.file.Path;
-import java.nio.file.StandardCopyOption;
-import java.nio.file.StandardOpenOption;
-import java.nio.file.attribute.AclEntry;
-import java.nio.file.attribute.AclFileAttributeView;
-import java.nio.file.attribute.FileOwnerAttributeView;
-import java.nio.file.attribute.FileTime;
-import java.nio.file.attribute.GroupPrincipal;
-import java.nio.file.attribute.PosixFileAttributeView;
-import java.nio.file.attribute.PosixFilePermission;
-import java.nio.file.attribute.UserPrincipal;
-import java.nio.file.attribute.UserPrincipalLookupService;
-import java.nio.file.attribute.UserPrincipalNotFoundException;
-import java.security.Principal;
-import java.util.AbstractMap.SimpleImmutableEntry;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.EnumSet;
-import java.util.HashSet;
-import java.util.LinkedHashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.NavigableMap;
-import java.util.Objects;
-import java.util.Set;
-import java.util.TreeMap;
-import java.util.TreeSet;
-import java.util.concurrent.CopyOnWriteArraySet;
-import java.util.function.IntUnaryOperator;
-
-import org.apache.sshd.common.FactoryManager;
-import org.apache.sshd.common.NamedFactory;
-import org.apache.sshd.common.NamedResource;
-import org.apache.sshd.common.OptionalFeature;
-import org.apache.sshd.common.PropertyResolver;
-import org.apache.sshd.common.PropertyResolverUtils;
-import org.apache.sshd.common.config.VersionProperties;
-import org.apache.sshd.common.digest.BuiltinDigests;
-import org.apache.sshd.common.digest.Digest;
-import org.apache.sshd.common.subsystem.sftp.SftpConstants;
-import org.apache.sshd.common.subsystem.sftp.SftpException;
-import org.apache.sshd.common.subsystem.sftp.SftpHelper;
-import org.apache.sshd.common.subsystem.sftp.extensions.AclSupportedParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.SpaceAvailableExtensionInfo;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.AbstractOpenSSHExtensionParser.OpenSSHExtension;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FsyncExtensionParser;
-import org.apache.sshd.common.subsystem.sftp.extensions.openssh.HardLinkExtensionParser;
-import org.apache.sshd.common.util.EventListenerUtils;
-import org.apache.sshd.common.util.GenericUtils;
-import org.apache.sshd.common.util.NumberUtils;
-import org.apache.sshd.common.util.OsUtils;
-import org.apache.sshd.common.util.SelectorUtils;
-import org.apache.sshd.common.util.ValidateUtils;
-import org.apache.sshd.common.util.buffer.Buffer;
-import org.apache.sshd.common.util.buffer.BufferUtils;
-import org.apache.sshd.common.util.io.FileInfoExtractor;
-import org.apache.sshd.common.util.io.IoUtils;
-import org.apache.sshd.common.util.logging.AbstractLoggingBean;
-import org.apache.sshd.server.session.ServerSession;
-
-/**
- * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
- */
-public abstract class AbstractSftpSubsystemHelper
- extends AbstractLoggingBean
- implements SftpEventListenerManager, SftpSubsystemEnvironment {
- /**
- * Whether to automatically follow symbolic links when resolving paths
- * @see #DEFAULT_AUTO_FOLLOW_LINKS
- */
- public static final String AUTO_FOLLOW_LINKS = "sftp-auto-follow-links";
-
- /**
- * Default value of {@value #AUTO_FOLLOW_LINKS}
- */
- public static final boolean DEFAULT_AUTO_FOLLOW_LINKS = true;
-
- /**
- * Allows controlling reports of which client extensions are supported
- * (and reported via "support" and "support2" server
- * extensions) as a comma-separate list of names. <B>Note:</B> requires
- * overriding the {@link #executeExtendedCommand(Buffer, int, String)}
- * command accordingly. If empty string is set then no server extensions
- * are reported
- *
- * @see #DEFAULT_SUPPORTED_CLIENT_EXTENSIONS
- */
- public static final String CLIENT_EXTENSIONS_PROP = "sftp-client-extensions";
-
- /**
- * The default reported supported client extensions
- */
- public static final Map<String, OptionalFeature> DEFAULT_SUPPORTED_CLIENT_EXTENSIONS =
- // TODO text-seek - see http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-13.txt
- // TODO home-directory - see http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt
- GenericUtils.<String, OptionalFeature>mapBuilder()
- .put(SftpConstants.EXT_VERSION_SELECT, OptionalFeature.TRUE)
- .put(SftpConstants.EXT_COPY_FILE, OptionalFeature.TRUE)
- .put(SftpConstants.EXT_MD5_HASH, BuiltinDigests.md5)
- .put(SftpConstants.EXT_MD5_HASH_HANDLE, BuiltinDigests.md5)
- .put(SftpConstants.EXT_CHECK_FILE_HANDLE, OptionalFeature.any(BuiltinDigests.VALUES))
- .put(SftpConstants.EXT_CHECK_FILE_NAME, OptionalFeature.any(BuiltinDigests.VALUES))
- .put(SftpConstants.EXT_COPY_DATA, OptionalFeature.TRUE)
- .put(SftpConstants.EXT_SPACE_AVAILABLE, OptionalFeature.TRUE)
- .immutable();
-
- /**
- * Comma-separated list of which {@code OpenSSH} extensions are reported and
- * what version is reported for each - format: {@code name=version}. If empty
- * value set, then no such extensions are reported. Otherwise, the
- * {@link #DEFAULT_OPEN_SSH_EXTENSIONS} are used
- */
- public static final String OPENSSH_EXTENSIONS_PROP = "sftp-openssh-extensions";
- public static final List<OpenSSHExtension> DEFAULT_OPEN_SSH_EXTENSIONS =
- Collections.unmodifiableList(
- Arrays.asList(
- new OpenSSHExtension(FsyncExtensionParser.NAME, "1"),
- new OpenSSHExtension(HardLinkExtensionParser.NAME, "1")
- ));
-
- public static final List<String> DEFAULT_OPEN_SSH_EXTENSIONS_NAMES =
- Collections.unmodifiableList(NamedResource.getNameList(DEFAULT_OPEN_SSH_EXTENSIONS));
-
- /**
- * Comma separate list of {@code SSH_ACL_CAP_xxx} names - where name can be without
- * the prefix. If not defined then {@link #DEFAULT_ACL_SUPPORTED_MASK} is used
- */
- public static final String ACL_SUPPORTED_MASK_PROP = "sftp-acl-supported-mask";
- public static final Set<Integer> DEFAULT_ACL_SUPPORTED_MASK =
- Collections.unmodifiableSet(
- new HashSet<>(Arrays.asList(
- SftpConstants.SSH_ACL_CAP_ALLOW,
- SftpConstants.SSH_ACL_CAP_DENY,
- SftpConstants.SSH_ACL_CAP_AUDIT,
- SftpConstants.SSH_ACL_CAP_ALARM)));
-
- /**
- * Property that can be used to set the reported NL value.
- * If not set, then {@link IoUtils#EOL} is used
- */
- public static final String NEWLINE_VALUE = "sftp-newline";
-
- /**
- * Force the use of a max. packet length for {@link #doRead(Buffer, int)} protection
- * against malicious packets
- *
- * @see #DEFAULT_MAX_READDATA_PACKET_LENGTH
- */
- public static final String MAX_READDATA_PACKET_LENGTH_PROP = "sftp-max-readdata-packet-length";
- public static final int DEFAULT_MAX_READDATA_PACKET_LENGTH = 63 * 1024;
-
- private final UnsupportedAttributePolicy unsupportedAttributePolicy;
- private final Collection<SftpEventListener> sftpEventListeners = new CopyOnWriteArraySet<>();
- private final SftpEventListener sftpEventListenerProxy;
- private final SftpFileSystemAccessor fileSystemAccessor;
- private final SftpErrorStatusDataHandler errorStatusDataHandler;
-
- protected AbstractSftpSubsystemHelper(
- UnsupportedAttributePolicy policy, SftpFileSystemAccessor accessor, SftpErrorStatusDataHandler handler) {
- unsupportedAttributePolicy = Objects.requireNonNull(policy, "No unsupported attribute policy provided");
- fileSystemAccessor = Objects.requireNonNull(accessor, "No file system accessor");
- sftpEventListenerProxy = EventListenerUtils.proxyWrapper(SftpEventListener.class, getClass().getClassLoader(), sftpEventListeners);
- errorStatusDataHandler = Objects.requireNonNull(handler, "No error status data handler");
- }
-
- @Override
- public UnsupportedAttributePolicy getUnsupportedAttributePolicy() {
- return unsupportedAttributePolicy;
- }
-
- @Override
- public SftpFileSystemAccessor getFileSystemAccessor() {
- return fileSystemAccessor;
- }
-
- @Override
- public SftpEventListener getSftpEventListenerProxy() {
- return sftpEventListenerProxy;
- }
-
- @Override
- public boolean addSftpEventListener(SftpEventListener listener) {
- return sftpEventListeners.add(SftpEventListener.validateListener(listener));
- }
-
- @Override
- public boolean removeSftpEventListener(SftpEventListener listener) {
- if (listener == null) {
- return false;
- }
-
- return sftpEventListeners.remove(SftpEventListener.validateListener(listener));
- }
-
- public SftpErrorStatusDataHandler getErrorStatusDataHandler() {
- return errorStatusDataHandler;
- }
-
- protected abstract void process(Buffer buffer) throws IOException;
-
- /**
- * @param buffer The {@link Buffer} holding the request
- * @param id The request id
- * @param proposed The proposed value
- * @return A {@link Boolean} indicating whether to accept/reject the proposal.
- * If {@code null} then rejection response has been sent, otherwise and
- * appropriate response is generated
- * @throws IOException If failed send an independent rejection response
- */
- protected Boolean validateProposedVersion(Buffer buffer, int id, String proposed) throws IOException {
- if (log.isDebugEnabled()) {
- log.debug("validateProposedVersion({})[id={}] SSH_FXP_EXTENDED(version-select) (version={})",
- getServerSession(), id, proposed);
- }
-
- if (GenericUtils.length(proposed) != 1) {
- return Boolean.FALSE;
- }
-
- char digit = proposed.charAt(0);
- if ((digit < '0') || (digit > '9')) {
- return Boolean.FALSE;
- }
-
- int value = digit - '0';
- String all = checkVersionCompatibility(buffer, id, value, SftpConstants.SSH_FX_FAILURE);
- if (GenericUtils.isEmpty(all)) { // validation failed
- return null;
- } else {
- return Boolean.TRUE;
- }
- }
-
- /**
- * Checks if a proposed version is within supported range. <B>Note:</B>
- * if the user forced a specific value via the {@link SftpSubsystemEnvironment#SFTP_VERSION}
- * property, then it is used to validate the proposed value
- *
- * @param buffer The {@link Buffer} containing the request
- * @param id The SSH message ID to be used to send the failure message
- * if required
- * @param proposed The proposed version value
- * @param failureOpcode The failure opcode to send if validation fails
- * @return A {@link String} of comma separated values representing all
- * the supported version - {@code null} if validation failed and an
- * appropriate status message was sent
- * @throws IOException If failed to send the failure status message
- */
- protected String checkVersionCompatibility(Buffer buffer, int id, int proposed, int failureOpcode) throws IOException {
- int low = SftpSubsystemEnvironment.LOWER_SFTP_IMPL;
- int hig = SftpSubsystemEnvironment.HIGHER_SFTP_IMPL;
- String available = SftpSubsystemEnvironment.ALL_SFTP_IMPL;
- // check if user wants to use a specific version
- ServerSession session = getServerSession();
- Integer sftpVersion = session.getInteger(SftpSubsystemEnvironment.SFTP_VERSION);
- if (sftpVersion != null) {
- int forcedValue = sftpVersion;
- if ((forcedValue < SftpSubsystemEnvironment.LOWER_SFTP_IMPL) || (forcedValue > SftpSubsystemEnvironment.HIGHER_SFTP_IMPL)) {
- throw new IllegalStateException("Forced SFTP version (" + sftpVersion + ") not within supported values: " + available);
- }
- hig = sftpVersion;
- low = hig;
- available = sftpVersion.toString();
- }
-
- if (log.isTraceEnabled()) {
- log.trace("checkVersionCompatibility({})[id={}] - proposed={}, available={}",
- getServerSession(), id, proposed, available);
- }
-
- if ((proposed < low) || (proposed > hig)) {
- sendStatus(BufferUtils.clear(buffer), id, failureOpcode, "Proposed version (" + proposed + ") not in supported range: " + available);
- return null;
- }
-
- return available;
- }
-
- protected void doOpen(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- /*
- * Be consistent with FileChannel#open - if no mode specified then READ is assumed
- */
- int access = 0;
- int version = getVersion();
- if (version >= SftpConstants.SFTP_V5) {
- access = buffer.getInt();
- if (access == 0) {
- access = SftpConstants.ACE4_READ_DATA | SftpConstants.ACE4_READ_ATTRIBUTES;
- }
- }
-
- int pflags = buffer.getInt();
- if (pflags == 0) {
- pflags = SftpConstants.SSH_FXF_READ;
- }
-
- if (version < SftpConstants.SFTP_V5) {
- int flags = pflags;
- pflags = 0;
- switch (flags & (SftpConstants.SSH_FXF_READ | SftpConstants.SSH_FXF_WRITE)) {
- case SftpConstants.SSH_FXF_READ:
- access |= SftpConstants.ACE4_READ_DATA | SftpConstants.ACE4_READ_ATTRIBUTES;
- break;
- case SftpConstants.SSH_FXF_WRITE:
- access |= SftpConstants.ACE4_WRITE_DATA | SftpConstants.ACE4_WRITE_ATTRIBUTES;
- break;
- default:
- access |= SftpConstants.ACE4_READ_DATA | SftpConstants.ACE4_READ_ATTRIBUTES;
- access |= SftpConstants.ACE4_WRITE_DATA | SftpConstants.ACE4_WRITE_ATTRIBUTES;
- break;
- }
- if ((flags & SftpConstants.SSH_FXF_APPEND) != 0) {
- access |= SftpConstants.ACE4_APPEND_DATA;
- pflags |= SftpConstants.SSH_FXF_APPEND_DATA | SftpConstants.SSH_FXF_APPEND_DATA_ATOMIC;
- }
- if ((flags & SftpConstants.SSH_FXF_CREAT) != 0) {
- if ((flags & SftpConstants.SSH_FXF_EXCL) != 0) {
- pflags |= SftpConstants.SSH_FXF_CREATE_NEW;
- } else if ((flags & SftpConstants.SSH_FXF_TRUNC) != 0) {
- pflags |= SftpConstants.SSH_FXF_CREATE_TRUNCATE;
- } else {
- pflags |= SftpConstants.SSH_FXF_OPEN_OR_CREATE;
- }
- } else {
- if ((flags & SftpConstants.SSH_FXF_TRUNC) != 0) {
- pflags |= SftpConstants.SSH_FXF_TRUNCATE_EXISTING;
- } else {
- pflags |= SftpConstants.SSH_FXF_OPEN_EXISTING;
- }
- }
- }
-
- Map<String, Object> attrs = readAttrs(buffer);
- String handle;
- try {
- handle = doOpen(id, path, pflags, access, attrs);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_OPEN, path);
- return;
- }
-
- sendHandle(BufferUtils.clear(buffer), id, handle);
- }
-
- /**
- * @param id Request id
- * @param path Path
- * @param pflags Open mode flags - see {@code SSH_FXF_XXX} flags
- * @param access Access mode flags - see {@code ACE4_XXX} flags
- * @param attrs Requested attributes
- * @return The assigned (opaque) handle
- * @throws IOException if failed to execute
- */
- protected abstract String doOpen(int id, String path, int pflags, int access, Map<String, Object> attrs) throws IOException;
-
- protected void doClose(Buffer buffer, int id) throws IOException {
- String handle = buffer.getString();
- try {
- doClose(id, handle);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_CLOSE, handle);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "", "");
- }
-
- protected abstract void doClose(int id, String handle) throws IOException;
-
- protected void doRead(Buffer buffer, int id) throws IOException {
- String handle = buffer.getString();
- long offset = buffer.getLong();
- int requestedLength = buffer.getInt();
- ServerSession serverSession = getServerSession();
- int maxAllowed = serverSession.getIntProperty(MAX_READDATA_PACKET_LENGTH_PROP, DEFAULT_MAX_READDATA_PACKET_LENGTH);
- int readLen = Math.min(requestedLength, maxAllowed);
- if (log.isTraceEnabled()) {
- log.trace("doRead({})[id={}]({})[offset={}] - req={}, max={}, effective={}",
- serverSession, id, handle, offset, requestedLength, maxAllowed, readLen);
- }
-
- try {
- ValidateUtils.checkTrue(readLen >= 0, "Illegal requested read length: %d", readLen);
-
- buffer.clear();
- buffer.ensureCapacity(readLen + Long.SIZE /* the header */, IntUnaryOperator.identity());
-
- buffer.putByte((byte) SftpConstants.SSH_FXP_DATA);
- buffer.putInt(id);
- int lenPos = buffer.wpos();
- buffer.putInt(0);
-
- int startPos = buffer.wpos();
- int len = doRead(id, handle, offset, readLen, buffer.array(), startPos);
- if (len < 0) {
- throw new EOFException("Unable to read " + readLen + " bytes from offset=" + offset + " of " + handle);
- }
- buffer.wpos(startPos + len);
- BufferUtils.updateLengthPlaceholder(buffer, lenPos, len);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_READ, handle, offset, requestedLength);
- return;
- }
-
- send(buffer);
- }
-
- protected abstract int doRead(int id, String handle, long offset, int length, byte[] data, int doff) throws IOException;
-
- protected void doWrite(Buffer buffer, int id) throws IOException {
- String handle = buffer.getString();
- long offset = buffer.getLong();
- int length = buffer.getInt();
- try {
- doWrite(id, handle, offset, length, buffer.array(), buffer.rpos(), buffer.available());
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_WRITE, handle, offset, length);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected abstract void doWrite(int id, String handle, long offset, int length, byte[] data, int doff, int remaining) throws IOException;
-
- protected void doLStat(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- int flags = SftpConstants.SSH_FILEXFER_ATTR_ALL;
- int version = getVersion();
- if (version >= SftpConstants.SFTP_V4) {
- flags = buffer.getInt();
- }
-
- Map<String, ?> attrs;
- try {
- attrs = doLStat(id, path, flags);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_LSTAT, path, flags);
- return;
- }
-
- sendAttrs(BufferUtils.clear(buffer), id, attrs);
- }
-
- protected Map<String, Object> doLStat(int id, String path, int flags) throws IOException {
- Path p = resolveFile(path);
- if (log.isDebugEnabled()) {
- log.debug("doLStat({})[id={}] SSH_FXP_LSTAT (path={}[{}], flags=0x{})",
- getServerSession(), id, path, p, Integer.toHexString(flags));
- }
-
- /*
- * SSH_FXP_STAT and SSH_FXP_LSTAT only differ in that SSH_FXP_STAT
- * follows symbolic links on the server, whereas SSH_FXP_LSTAT does not.
- */
- return resolveFileAttributes(p, flags, IoUtils.getLinkOptions(false));
- }
-
- protected void doSetStat(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- Map<String, Object> attrs = readAttrs(buffer);
- try {
- doSetStat(id, path, attrs);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_SETSTAT, path);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected void doSetStat(int id, String path, Map<String, ?> attrs) throws IOException {
- if (log.isDebugEnabled()) {
- log.debug("doSetStat({})[id={}] SSH_FXP_SETSTAT (path={}, attrs={})",
- getServerSession(), id, path, attrs);
- }
- Path p = resolveFile(path);
- doSetAttributes(p, attrs);
- }
-
- protected void doFStat(Buffer buffer, int id) throws IOException {
- String handle = buffer.getString();
- int flags = SftpConstants.SSH_FILEXFER_ATTR_ALL;
- int version = getVersion();
- if (version >= SftpConstants.SFTP_V4) {
- flags = buffer.getInt();
- }
-
- Map<String, ?> attrs;
- try {
- attrs = doFStat(id, handle, flags);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_FSTAT, handle, flags);
- return;
- }
-
- sendAttrs(BufferUtils.clear(buffer), id, attrs);
- }
-
- protected abstract Map<String, Object> doFStat(int id, String handle, int flags) throws IOException;
-
- protected void doFSetStat(Buffer buffer, int id) throws IOException {
- String handle = buffer.getString();
- Map<String, Object> attrs = readAttrs(buffer);
- try {
- doFSetStat(id, handle, attrs);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_FSETSTAT, handle, attrs);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected abstract void doFSetStat(int id, String handle, Map<String, ?> attrs) throws IOException;
-
- protected void doOpenDir(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- String handle;
-
- try {
- Path p = resolveNormalizedLocation(path);
- if (log.isDebugEnabled()) {
- log.debug("doOpenDir({})[id={}] SSH_FXP_OPENDIR (path={})[{}]",
- getServerSession(), id, path, p);
- }
-
- LinkOption[] options =
- getPathResolutionLinkOption(SftpConstants.SSH_FXP_OPENDIR, "", p);
- handle = doOpenDir(id, path, p, options);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_OPENDIR, path);
- return;
- }
-
- sendHandle(BufferUtils.clear(buffer), id, handle);
- }
-
- protected abstract String doOpenDir(int id, String path, Path p, LinkOption... options) throws IOException;
-
- protected abstract void doReadDir(Buffer buffer, int id) throws IOException;
-
- protected void doLink(Buffer buffer, int id) throws IOException {
- String targetPath = buffer.getString();
- String linkPath = buffer.getString();
- boolean symLink = buffer.getBoolean();
-
- try {
- if (log.isDebugEnabled()) {
- log.debug("doLink({})[id={}] SSH_FXP_LINK linkpath={}, targetpath={}, symlink={}",
- getServerSession(), id, linkPath, targetPath, symLink);
- }
-
- doLink(id, targetPath, linkPath, symLink);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_LINK, targetPath, linkPath, symLink);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected void doLink(int id, String targetPath, String linkPath, boolean symLink) throws IOException {
- createLink(id, targetPath, linkPath, symLink);
- }
-
- protected void doSymLink(Buffer buffer, int id) throws IOException {
- String targetPath = buffer.getString();
- String linkPath = buffer.getString();
- try {
- if (log.isDebugEnabled()) {
- log.debug("doSymLink({})[id={}] SSH_FXP_SYMLINK linkpath={}, targetpath={}",
- getServerSession(), id, targetPath, linkPath);
- }
- doSymLink(id, targetPath, linkPath);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_SYMLINK, targetPath, linkPath);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected void doSymLink(int id, String targetPath, String linkPath) throws IOException {
- createLink(id, targetPath, linkPath, true);
- }
-
- protected abstract void createLink(int id, String existingPath, String linkPath, boolean symLink) throws IOException;
-
- // see https://github.com/openssh/openssh-portable/blob/master/PROTOCOL section 10
- protected void doOpenSSHHardLink(Buffer buffer, int id) throws IOException {
- String srcFile = buffer.getString();
- String dstFile = buffer.getString();
-
- try {
- doOpenSSHHardLink(id, srcFile, dstFile);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_EXTENDED, HardLinkExtensionParser.NAME, srcFile, dstFile);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected void doOpenSSHHardLink(int id, String srcFile, String dstFile) throws IOException {
- if (log.isDebugEnabled()) {
- log.debug("doOpenSSHHardLink({})[id={}] SSH_FXP_EXTENDED[{}] (src={}, dst={})",
- getServerSession(), id, HardLinkExtensionParser.NAME, srcFile, dstFile);
- }
-
- createLink(id, srcFile, dstFile, false);
- }
-
- protected void doSpaceAvailable(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- SpaceAvailableExtensionInfo info;
- try {
- info = doSpaceAvailable(id, path);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_EXTENDED, SftpConstants.EXT_SPACE_AVAILABLE, path);
- return;
- }
-
- buffer.clear();
- buffer.putByte((byte) SftpConstants.SSH_FXP_EXTENDED_REPLY);
- buffer.putInt(id);
- SpaceAvailableExtensionInfo.encode(buffer, info);
- send(buffer);
- }
-
- protected SpaceAvailableExtensionInfo doSpaceAvailable(int id, String path) throws IOException {
- Path nrm = resolveNormalizedLocation(path);
- if (log.isDebugEnabled()) {
- log.debug("doSpaceAvailable({})[id={}] path={}[{}]", getServerSession(), id, path, nrm);
- }
-
- FileStore store = Files.getFileStore(nrm);
- if (log.isTraceEnabled()) {
- log.trace("doSpaceAvailable({})[id={}] path={}[{}] - {}[{}]",
- getServerSession(), id, path, nrm, store.name(), store.type());
- }
-
- return new SpaceAvailableExtensionInfo(store);
- }
-
- protected void doTextSeek(Buffer buffer, int id) throws IOException {
- String handle = buffer.getString();
- long line = buffer.getLong();
- try {
- // TODO : implement text-seek - see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-03#section-6.3
- doTextSeek(id, handle, line);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_EXTENDED, SftpConstants.EXT_TEXT_SEEK, handle, line);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected abstract void doTextSeek(int id, String handle, long line) throws IOException;
-
- // see https://github.com/openssh/openssh-portable/blob/master/PROTOCOL section 10
- protected void doOpenSSHFsync(Buffer buffer, int id) throws IOException {
- String handle = buffer.getString();
- try {
- doOpenSSHFsync(id, handle);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_EXTENDED, FsyncExtensionParser.NAME, handle);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected abstract void doOpenSSHFsync(int id, String handle) throws IOException;
-
- protected void doCheckFileHash(Buffer buffer, int id, String targetType) throws IOException {
- String target = buffer.getString();
- String algList = buffer.getString();
- String[] algos = GenericUtils.split(algList, ',');
- long startOffset = buffer.getLong();
- long length = buffer.getLong();
- int blockSize = buffer.getInt();
- try {
- buffer.clear();
- buffer.putByte((byte) SftpConstants.SSH_FXP_EXTENDED_REPLY);
- buffer.putInt(id);
- buffer.putString(SftpConstants.EXT_CHECK_FILE);
- doCheckFileHash(id, targetType, target, Arrays.asList(algos), startOffset, length, blockSize, buffer);
- } catch (Exception e) {
- sendStatus(BufferUtils.clear(buffer), id, e,
- SftpConstants.SSH_FXP_EXTENDED, targetType, target, algList, startOffset, length, blockSize);
- return;
- }
-
- send(buffer);
- }
-
- protected void doCheckFileHash(int id, Path file, NamedFactory<? extends Digest> factory,
- long startOffset, long length, int blockSize, Buffer buffer)
- throws Exception {
- ValidateUtils.checkTrue(startOffset >= 0L, "Invalid start offset: %d", startOffset);
- ValidateUtils.checkTrue(length >= 0L, "Invalid length: %d", length);
- ValidateUtils.checkTrue((blockSize == 0) || (blockSize >= SftpConstants.MIN_CHKFILE_BLOCKSIZE), "Invalid block size: %d", blockSize);
- Objects.requireNonNull(factory, "No digest factory provided");
- buffer.putString(factory.getName());
-
- long effectiveLength = length;
- long totalLength = Files.size(file);
- if (effectiveLength == 0L) {
- effectiveLength = totalLength - startOffset;
- } else {
- long maxRead = startOffset + length;
- if (maxRead > totalLength) {
- effectiveLength = totalLength - startOffset;
- }
- }
- ValidateUtils.checkTrue(effectiveLength > 0L, "Non-positive effective hash data length: %d", effectiveLength);
-
- byte[] digestBuf = (blockSize == 0)
- ? new byte[Math.min((int) effectiveLength, IoUtils.DEFAULT_COPY_SIZE)]
- : new byte[Math.min((int) effectiveLength, blockSize)];
- ByteBuffer wb = ByteBuffer.wrap(digestBuf);
- SftpFileSystemAccessor accessor = getFileSystemAccessor();
- try (SeekableByteChannel channel = accessor.openFile(getServerSession(), this, file, "", Collections.emptySet())) {
- channel.position(startOffset);
-
- Digest digest = factory.create();
- digest.init();
-
- boolean traceEnabled = log.isTraceEnabled();
- if (blockSize == 0) {
- while (effectiveLength > 0L) {
- int remainLen = Math.min(digestBuf.length, (int) effectiveLength);
- ByteBuffer bb = wb;
- if (remainLen < digestBuf.length) {
- bb = ByteBuffer.wrap(digestBuf, 0, remainLen);
- }
- bb.clear(); // prepare for next read
-
- int readLen = channel.read(bb);
- if (readLen < 0) {
- break;
- }
-
- effectiveLength -= readLen;
- digest.update(digestBuf, 0, readLen);
- }
-
- byte[] hashValue = digest.digest();
- if (traceEnabled) {
- log.trace("doCheckFileHash({})[{}] offset={}, length={} - algo={}, hash={}",
- getServerSession(), file, startOffset, length,
- digest.getAlgorithm(), BufferUtils.toHex(':', hashValue));
- }
- buffer.putBytes(hashValue);
- } else {
- for (int count = 0; effectiveLength > 0L; count++) {
- int remainLen = Math.min(digestBuf.length, (int) effectiveLength);
- ByteBuffer bb = wb;
- if (remainLen < digestBuf.length) {
- bb = ByteBuffer.wrap(digestBuf, 0, remainLen);
- }
- bb.clear(); // prepare for next read
-
- int readLen = channel.read(bb);
- if (readLen < 0) {
- break;
- }
-
- effectiveLength -= readLen;
- digest.update(digestBuf, 0, readLen);
-
- byte[] hashValue = digest.digest(); // NOTE: this also resets the hash for the next read
- if (traceEnabled) {
- log.trace("doCheckFileHash({})({})[{}] offset={}, length={} - algo={}, hash={}",
- getServerSession(), file, count, startOffset, length,
- digest.getAlgorithm(), BufferUtils.toHex(':', hashValue));
- }
- buffer.putBytes(hashValue);
- }
- }
- }
- }
-
- protected void doMD5Hash(Buffer buffer, int id, String targetType) throws IOException {
- String target = buffer.getString();
- long startOffset = buffer.getLong();
- long length = buffer.getLong();
- byte[] quickCheckHash = buffer.getBytes();
- byte[] hashValue;
-
- try {
- hashValue = doMD5Hash(id, targetType, target, startOffset, length, quickCheckHash);
- if (log.isTraceEnabled()) {
- log.trace("doMD5Hash({})({})[{}] offset={}, length={}, quick-hash={} - hash={}",
- getServerSession(), targetType, target, startOffset, length,
- BufferUtils.toHex(':', quickCheckHash),
- BufferUtils.toHex(':', hashValue));
- }
-
- } catch (Exception e) {
- sendStatus(BufferUtils.clear(buffer), id, e,
- SftpConstants.SSH_FXP_EXTENDED, targetType, target, startOffset, length, quickCheckHash);
- return;
- }
-
- buffer.clear();
- buffer.putByte((byte) SftpConstants.SSH_FXP_EXTENDED_REPLY);
- buffer.putInt(id);
- buffer.putString(targetType);
- buffer.putBytes(hashValue);
- send(buffer);
- }
-
- protected abstract byte[] doMD5Hash(
- int id, String targetType, String target, long startOffset, long length, byte[] quickCheckHash)
- throws Exception;
-
- protected byte[] doMD5Hash(int id, Path path, long startOffset, long length, byte[] quickCheckHash) throws Exception {
- ValidateUtils.checkTrue(startOffset >= 0L, "Invalid start offset: %d", startOffset);
- ValidateUtils.checkTrue(length > 0L, "Invalid length: %d", length);
- if (!BuiltinDigests.md5.isSupported()) {
- throw new UnsupportedOperationException(BuiltinDigests.md5.getAlgorithm() + " hash not supported");
- }
-
- Digest digest = BuiltinDigests.md5.create();
- digest.init();
-
- long effectiveLength = length;
- byte[] digestBuf = new byte[(int) Math.min(effectiveLength, SftpConstants.MD5_QUICK_HASH_SIZE)];
- ByteBuffer wb = ByteBuffer.wrap(digestBuf);
- boolean hashMatches = false;
- byte[] hashValue = null;
- SftpFileSystemAccessor accessor = getFileSystemAccessor();
- boolean traceEnabled = log.isTraceEnabled();
- try (SeekableByteChannel channel = accessor.openFile(getServerSession(), this, path, null, EnumSet.of(StandardOpenOption.READ))) {
- channel.position(startOffset);
-
- /*
- * To quote http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt section 9.1.1:
- *
- * If this is a zero length string, the client does not have the
- * data, and is requesting the hash for reasons other than comparing
- * with a local file. The server MAY return SSH_FX_OP_UNSUPPORTED in
- * this case.
- */
- if (NumberUtils.length(quickCheckHash) <= 0) {
- // TODO consider limiting it - e.g., if the requested effective length is <= than some (configurable) threshold
- hashMatches = true;
- } else {
- int readLen = channel.read(wb);
- if (readLen < 0) {
- throw new EOFException("EOF while read initial buffer from " + path);
- }
- effectiveLength -= readLen;
- digest.update(digestBuf, 0, readLen);
-
- hashValue = digest.digest();
- hashMatches = Arrays.equals(quickCheckHash, hashValue);
- if (hashMatches) {
- /*
- * Need to re-initialize the digester due to the Javadoc:
- *
- * "The digest method can be called once for a given number
- * of updates. After digest has been called, the MessageDigest
- * object is reset to its initialized state."
- */
- if (effectiveLength > 0L) {
- digest = BuiltinDigests.md5.create();
- digest.init();
- digest.update(digestBuf, 0, readLen);
- hashValue = null; // start again
- }
- } else {
- if (traceEnabled) {
- log.trace("doMD5Hash({})({}) offset={}, length={} - quick-hash mismatched expected={}, actual={}",
- getServerSession(), path, startOffset, length,
- BufferUtils.toHex(':', quickCheckHash),
- BufferUtils.toHex(':', hashValue));
- }
- }
- }
-
- if (hashMatches) {
- while (effectiveLength > 0L) {
- int remainLen = Math.min(digestBuf.length, (int) effectiveLength);
- ByteBuffer bb = wb;
- if (remainLen < digestBuf.length) {
- bb = ByteBuffer.wrap(digestBuf, 0, remainLen);
- }
- bb.clear(); // prepare for next read
-
- int readLen = channel.read(bb);
- if (readLen < 0) {
- break; // user may have specified more than we have available
- }
- effectiveLength -= readLen;
- digest.update(digestBuf, 0, readLen);
- }
-
- if (hashValue == null) { // check if did any more iterations after the quick hash
- hashValue = digest.digest();
- }
- } else {
- hashValue = GenericUtils.EMPTY_BYTE_ARRAY;
- }
- }
-
- if (traceEnabled) {
- log.trace("doMD5Hash({})({}) offset={}, length={} - matches={}, quick={} hash={}",
- getServerSession(), path, startOffset, length, hashMatches,
- BufferUtils.toHex(':', quickCheckHash),
- BufferUtils.toHex(':', hashValue));
- }
-
- return hashValue;
- }
-
- protected abstract void doCheckFileHash(
- int id, String targetType, String target, Collection<String> algos,
- long startOffset, long length, int blockSize, Buffer buffer)
- throws Exception;
-
- protected void doReadLink(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- String l;
- try {
- if (log.isDebugEnabled()) {
- log.debug("doReadLink({})[id={}] SSH_FXP_READLINK path={}",
- getServerSession(), id, path);
- }
- l = doReadLink(id, path);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_READLINK, path);
- return;
- }
-
- sendLink(BufferUtils.clear(buffer), id, l);
- }
-
- protected String doReadLink(int id, String path) throws IOException {
- Path f = resolveFile(path);
- Path t = Files.readSymbolicLink(f);
- if (log.isDebugEnabled()) {
- log.debug("doReadLink({})[id={}] path={}[{}]: {}",
- getServerSession(), id, path, f, t);
- }
- return t.toString();
- }
-
- protected void doRename(Buffer buffer, int id) throws IOException {
- String oldPath = buffer.getString();
- String newPath = buffer.getString();
- int flags = 0;
- int version = getVersion();
- if (version >= SftpConstants.SFTP_V5) {
- flags = buffer.getInt();
- }
- try {
- doRename(id, oldPath, newPath, flags);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_RENAME, oldPath, newPath, flags);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected void doRename(int id, String oldPath, String newPath, int flags) throws IOException {
- if (log.isDebugEnabled()) {
- log.debug("doRename({})[id={}] SSH_FXP_RENAME (oldPath={}, newPath={}, flags=0x{})",
- getServerSession(), id, oldPath, newPath, Integer.toHexString(flags));
- }
-
- Collection<CopyOption> opts = Collections.emptyList();
- if (flags != 0) {
- opts = new ArrayList<>();
- if ((flags & SftpConstants.SSH_FXP_RENAME_ATOMIC) == SftpConstants.SSH_FXP_RENAME_ATOMIC) {
- opts.add(StandardCopyOption.ATOMIC_MOVE);
- }
- if ((flags & SftpConstants.SSH_FXP_RENAME_OVERWRITE) == SftpConstants.SSH_FXP_RENAME_OVERWRITE) {
- opts.add(StandardCopyOption.REPLACE_EXISTING);
- }
- }
-
- doRename(id, oldPath, newPath, opts);
- }
-
- protected void doRename(int id, String oldPath, String newPath, Collection<CopyOption> opts) throws IOException {
- Path o = resolveFile(oldPath);
- Path n = resolveFile(newPath);
- SftpEventListener listener = getSftpEventListenerProxy();
- ServerSession session = getServerSession();
-
- listener.moving(session, o, n, opts);
- try {
- Files.move(o, n, GenericUtils.isEmpty(opts) ? IoUtils.EMPTY_COPY_OPTIONS : opts.toArray(new CopyOption[opts.size()]));
- } catch (IOException | RuntimeException e) {
- listener.moved(session, o, n, opts, e);
- throw e;
- }
- listener.moved(session, o, n, opts, null);
- }
-
- // see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-extensions-00#section-7
- protected void doCopyData(Buffer buffer, int id) throws IOException {
- String readHandle = buffer.getString();
- long readOffset = buffer.getLong();
- long readLength = buffer.getLong();
- String writeHandle = buffer.getString();
- long writeOffset = buffer.getLong();
- try {
- doCopyData(id, readHandle, readOffset, readLength, writeHandle, writeOffset);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e,
- SftpConstants.SSH_FXP_EXTENDED, SftpConstants.EXT_COPY_DATA,
- readHandle, readOffset, readLength, writeHandle, writeOffset);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected abstract void doCopyData(int id, String readHandle, long readOffset, long readLength, String writeHandle, long writeOffset) throws IOException;
-
- // see https://tools.ietf.org/html/draft-ietf-secsh-filexfer-extensions-00#section-6
- protected void doCopyFile(Buffer buffer, int id) throws IOException {
- String srcFile = buffer.getString();
- String dstFile = buffer.getString();
- boolean overwriteDestination = buffer.getBoolean();
-
- try {
- doCopyFile(id, srcFile, dstFile, overwriteDestination);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e,
- SftpConstants.SSH_FXP_EXTENDED, SftpConstants.EXT_COPY_FILE, srcFile, dstFile, overwriteDestination);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected void doCopyFile(int id, String srcFile, String dstFile, boolean overwriteDestination) throws IOException {
- if (log.isDebugEnabled()) {
- log.debug("doCopyFile({})[id={}] SSH_FXP_EXTENDED[{}] (src={}, dst={}, overwrite=0x{})",
- getServerSession(), id, SftpConstants.EXT_COPY_FILE,
- srcFile, dstFile, overwriteDestination);
- }
-
- doCopyFile(id, srcFile, dstFile,
- overwriteDestination
- ? Collections.singletonList(StandardCopyOption.REPLACE_EXISTING)
- : Collections.emptyList());
- }
-
- protected void doCopyFile(int id, String srcFile, String dstFile, Collection<CopyOption> opts) throws IOException {
- Path src = resolveFile(srcFile);
- Path dst = resolveFile(dstFile);
- Files.copy(src, dst, GenericUtils.isEmpty(opts) ? IoUtils.EMPTY_COPY_OPTIONS : opts.toArray(new CopyOption[opts.size()]));
- }
-
- protected void doBlock(Buffer buffer, int id) throws IOException {
- String handle = buffer.getString();
- long offset = buffer.getLong();
- long length = buffer.getLong();
- int mask = buffer.getInt();
-
- try {
- doBlock(id, handle, offset, length, mask);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_BLOCK, handle, offset, length, mask);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected abstract void doBlock(int id, String handle, long offset, long length, int mask) throws IOException;
-
- protected void doUnblock(Buffer buffer, int id) throws IOException {
- String handle = buffer.getString();
- long offset = buffer.getLong();
- long length = buffer.getLong();
- try {
- doUnblock(id, handle, offset, length);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_UNBLOCK, handle, offset, length);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected abstract void doUnblock(int id, String handle, long offset, long length) throws IOException;
-
- protected void doStat(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- int flags = SftpConstants.SSH_FILEXFER_ATTR_ALL;
- int version = getVersion();
- if (version >= SftpConstants.SFTP_V4) {
- flags = buffer.getInt();
- }
-
- Map<String, Object> attrs;
- try {
- attrs = doStat(id, path, flags);
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_STAT, path, flags);
- return;
- }
-
- sendAttrs(BufferUtils.clear(buffer), id, attrs);
- }
-
- protected Map<String, Object> doStat(int id, String path, int flags) throws IOException {
- if (log.isDebugEnabled()) {
- log.debug("doStat({})[id={}] SSH_FXP_STAT (path={}, flags=0x{})",
- getServerSession(), id, path, Integer.toHexString(flags));
- }
-
- /*
- * SSH_FXP_STAT and SSH_FXP_LSTAT only differ in that SSH_FXP_STAT
- * follows symbolic links on the server, whereas SSH_FXP_LSTAT does not.
- */
- Path p = resolveFile(path);
- return resolveFileAttributes(p, flags, IoUtils.getLinkOptions(true));
- }
-
- protected void doRealPath(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- boolean debugEnabled = log.isDebugEnabled();
- if (debugEnabled) {
- log.debug("doRealPath({})[id={}] SSH_FXP_REALPATH (path={})", getServerSession(), id, path);
- }
- path = GenericUtils.trimToEmpty(path);
- if (GenericUtils.isEmpty(path)) {
- path = ".";
- }
-
- Map<String, ?> attrs = Collections.emptyMap();
- Map.Entry<Path, Boolean> result;
- try {
- int version = getVersion();
- if (version < SftpConstants.SFTP_V6) {
- /*
- * See http://www.openssh.com/txt/draft-ietf-secsh-filexfer-02.txt:
- *
- * The SSH_FXP_REALPATH request can be used to have the server
- * canonicalize any given path name to an absolute path.
- *
- * See also SSHD-294
- */
- Path p = resolveFile(path);
- LinkOption[] options =
- getPathResolutionLinkOption(SftpConstants.SSH_FXP_REALPATH, "", p);
- result = doRealPathV345(id, path, p, options);
- } else {
- /*
- * See https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.9
- *
- * This field is optional, and if it is not present in the packet, it
- * is assumed to be SSH_FXP_REALPATH_NO_CHECK.
- */
- int control = SftpConstants.SSH_FXP_REALPATH_NO_CHECK;
- if (buffer.available() > 0) {
- control = buffer.getUByte();
- if (debugEnabled) {
- log.debug("doRealPath({}) - control=0x{} for path={}",
- getServerSession(), Integer.toHexString(control), path);
- }
- }
-
- Collection<String> extraPaths = new LinkedList<>();
- while (buffer.available() > 0) {
- extraPaths.add(buffer.getString());
- }
-
- Path p = resolveFile(path);
- LinkOption[] options =
- getPathResolutionLinkOption(SftpConstants.SSH_FXP_REALPATH, "", p);
- result = doRealPathV6(id, path, extraPaths, p, options);
-
- p = result.getKey();
- options = getPathResolutionLinkOption(SftpConstants.SSH_FXP_REALPATH, "", p);
- Boolean status = result.getValue();
- switch (control) {
- case SftpConstants.SSH_FXP_REALPATH_STAT_IF:
- if (status == null) {
- attrs = handleUnknownStatusFileAttributes(p, SftpConstants.SSH_FILEXFER_ATTR_ALL, options);
- } else if (status) {
- try {
- attrs = getAttributes(p, options);
- } catch (IOException e) {
- if (debugEnabled) {
- log.debug("doRealPath({}) - failed ({}) to retrieve attributes of {}: {}",
- getServerSession(), e.getClass().getSimpleName(), p, e.getMessage());
- }
- if (log.isTraceEnabled()) {
- log.trace("doRealPath(" + getServerSession() + ")[" + p + "] attributes retrieval failure details", e);
- }
- }
- } else {
- if (debugEnabled) {
- log.debug("doRealPath({}) - dummy attributes for non-existing file: {}", getServerSession(), p);
- }
- }
- break;
- case SftpConstants.SSH_FXP_REALPATH_STAT_ALWAYS:
- if (status == null) {
- attrs = handleUnknownStatusFileAttributes(p, SftpConstants.SSH_FILEXFER_ATTR_ALL, options);
- } else if (status) {
- attrs = getAttributes(p, options);
- } else {
- throw new NoSuchFileException(p.toString(), p.toString(), "Real path N/A for target");
- }
- break;
- case SftpConstants.SSH_FXP_REALPATH_NO_CHECK:
- break;
- default:
- log.warn("doRealPath({}) unknown control value 0x{} for path={}",
- getServerSession(), Integer.toHexString(control), p);
- }
- }
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_REALPATH, path);
- return;
- }
-
- sendPath(BufferUtils.clear(buffer), id, result.getKey(), attrs);
- }
-
- protected SimpleImmutableEntry<Path, Boolean> doRealPathV6(
- int id, String path, Collection<String> extraPaths, Path p, LinkOption... options) throws IOException {
- int numExtra = GenericUtils.size(extraPaths);
- if (numExtra > 0) {
- if (log.isDebugEnabled()) {
- log.debug("doRealPathV6({})[id={}] path={}, extra={}",
- getServerSession(), id, path, extraPaths);
- }
- StringBuilder sb = new StringBuilder(GenericUtils.length(path) + numExtra * 8);
- sb.append(path);
-
- for (String p2 : extraPaths) {
- p = p.resolve(p2);
- options = getPathResolutionLinkOption(SftpConstants.SSH_FXP_REALPATH, "", p);
- sb.append('/').append(p2);
- }
-
- path = sb.toString();
- }
-
- return validateRealPath(id, path, p, options);
- }
-
- protected SimpleImmutableEntry<Path, Boolean> doRealPathV345(int id, String path, Path p, LinkOption... options) throws IOException {
- return validateRealPath(id, path, p, options);
- }
-
- /**
- * @param id The request identifier
- * @param path The original path
- * @param f The resolve {@link Path}
- * @param options The {@link LinkOption}s to use to verify file existence and access
- * @return A {@link SimpleImmutableEntry} whose key is the <U>absolute <B>normalized</B></U>
- * {@link Path} and value is a {@link Boolean} indicating its status
- * @throws IOException If failed to validate the file
- * @see IoUtils#checkFileExists(Path, LinkOption...)
- */
- protected SimpleImmutableEntry<Path, Boolean> validateRealPath(int id, String path, Path f, LinkOption... options) throws IOException {
- Path p = normalize(f);
- Boolean status = IoUtils.checkFileExists(p, options);
- return new SimpleImmutableEntry<>(p, status);
- }
-
- protected void doRemoveDirectory(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- try {
- doRemoveDirectory(id, path, IoUtils.getLinkOptions(false));
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_RMDIR, path);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected void doRemoveDirectory(int id, String path, LinkOption... options) throws IOException {
- Path p = resolveFile(path);
- if (log.isDebugEnabled()) {
- log.debug("doRemoveDirectory({})[id={}] SSH_FXP_RMDIR (path={})[{}]",
- getServerSession(), id, path, p);
- }
- if (Files.isDirectory(p, options)) {
- doRemove(id, p);
- } else {
- throw new NotDirectoryException(p.toString());
- }
- }
-
- /**
- * Called when need to delete a file / directory - also informs the {@link SftpEventListener}
- *
- * @param id Deletion request ID
- * @param p {@link Path} to delete
- * @throws IOException If failed to delete
- */
- protected void doRemove(int id, Path p) throws IOException {
- SftpEventListener listener = getSftpEventListenerProxy();
- ServerSession session = getServerSession();
- listener.removing(session, p);
- try {
- Files.delete(p);
- } catch (IOException | RuntimeException e) {
- listener.removed(session, p, e);
- throw e;
- }
- listener.removed(session, p, null);
- }
-
- protected void doMakeDirectory(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- Map<String, ?> attrs = readAttrs(buffer);
- try {
- doMakeDirectory(id, path, attrs, IoUtils.getLinkOptions(false));
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_MKDIR, path, attrs);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected void doMakeDirectory(int id, String path, Map<String, ?> attrs, LinkOption... options) throws IOException {
- Path p = resolveFile(path);
- if (log.isDebugEnabled()) {
- log.debug("doMakeDirectory({})[id={}] SSH_FXP_MKDIR (path={}[{}], attrs={})",
- getServerSession(), id, path, p, attrs);
- }
-
- Boolean status = IoUtils.checkFileExists(p, options);
- if (status == null) {
- throw new AccessDeniedException(p.toString(), p.toString(), "Cannot validate make-directory existence");
- }
-
- if (status) {
- if (Files.isDirectory(p, options)) {
- throw new FileAlreadyExistsException(p.toString(), p.toString(), "Target directory already exists");
- } else {
- throw new FileAlreadyExistsException(p.toString(), p.toString(), "Already exists as a file");
- }
- } else {
- SftpEventListener listener = getSftpEventListenerProxy();
- ServerSession session = getServerSession();
- listener.creating(session, p, attrs);
- try {
- Files.createDirectory(p);
- doSetAttributes(p, attrs);
- } catch (IOException | RuntimeException e) {
- listener.created(session, p, attrs, e);
- throw e;
- }
- listener.created(session, p, attrs, null);
- }
- }
-
- protected void doRemove(Buffer buffer, int id) throws IOException {
- String path = buffer.getString();
- try {
- /*
- * If 'filename' is a symbolic link, the link is removed,
- * not the file it points to.
- */
- doRemove(id, path, IoUtils.getLinkOptions(false));
- } catch (IOException | RuntimeException e) {
- sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_REMOVE, path);
- return;
- }
-
- sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
- }
-
- protected void doRemove(int id, String path, LinkOption... options) throws IOException {
- Path p = resolveFile(path);
- if (log.isDebugEnabled()) {
- log.debug("doRemove({})[id={}] SSH_FXP_REMOVE (path={}[{}])",
- getServerSession(), id, path, p);
- }
-
- Boolean status = IoUtils.checkFileExists(p, options);
- if (status == null) {
- throw new AccessDeniedException(p.toString(), p.toString(), "Cannot determine existence of remove candidate");
- }
- if (!status) {
- throw new NoSuchFileException(p.toString(), p.toString(), "Removal candidate not found");
- } else if (Files.isDirectory(p, options)) {
- throw new SftpException(SftpConstants.SSH_FX_FILE_IS_A_DIRECTORY, p.toString() + " is a folder");
- } else {
- doRemove(id, p);
- }
- }
-
- protected void doExtended(Buffer buffer, int id) throws IOException {
- executeExtendedCommand(buffer, id, buffer.getString());
- }
-
- /**
- * @param buffer The command {@link Buffer}
- * @param id The request id
- * @param extension The extension name
- * @throws IOException If failed to execute the extension
- */
- protected abstract void executeExtendedCommand(Buffer buffer, int id, String extension) throws IOException;
-
- protected void appendExtensions(Buffer buffer, String supportedVersions) {
- appendVersionsExtension(buffer, supportedVersions);
- appendNewlineExtension(buffer, resolveNewlineValue(getServerSession()));
- appendVendorIdExtension(buffer, VersionProperties.getVersionProperties());
- appendOpenSSHExtensions(buffer);
- appendAclSupportedExtension(buffer);
-
- Map<String, OptionalFeature> extensions = getSupportedClientExtensions();
- int numExtensions = GenericUtils.size(extensions);
- List<String> extras = (numExtensions <= 0) ? Collections.emptyList() : new ArrayList<>(numExtensions);
- if (numExtensions > 0) {
- ServerSession session = getServerSession();
- boolean debugEnabled = log.isDebugEnabled();
- extensions.forEach((name, f) -> {
- if (!f.isSupported()) {
- if (debugEnabled) {
- log.debug("appendExtensions({}) skip unsupported extension={}", session, name);
- }
- return;
- }
-
- extras.add(name);
- });
- }
- appendSupportedExtension(buffer, extras);
- appendSupported2Extension(buffer, extras);
- }
-
- protected int appendAclSupportedExtension(Buffer buffer) {
- ServerSession session = getServerSession();
- Collection<Integer> maskValues = resolveAclSupportedCapabilities(session);
- int mask = AclSupportedParser.AclCapabilities.constructAclCapabilities(maskValues);
- if (mask != 0) {
- if (log.isTraceEnabled()) {
- log.trace("appendAclSupportedExtension({}) capabilities={}",
- session, AclSupportedParser.AclCapabilities.decodeAclCapabilities(mask));
- }
-
- buffer.putString(SftpConstants.EXT_ACL_SUPPORTED);
-
- // placeholder for length
- int lenPos = buffer.wpos();
- buffer.putInt(0);
- buffer.putInt(mask);
- BufferUtils.updateLengthPlaceholder(buffer, lenPos);
- }
-
- return mask;
- }
-
- protected Collection<Integer> resolveAclSupportedCapabilities(ServerSession session) {
- String override = session.getString(ACL_SUPPORTED_MASK_PROP);
- if (override == null) {
- return DEFAULT_ACL_SUPPORTED_MASK;
- }
-
- // empty means not supported
- if (log.isDebugEnabled()) {
- log.debug("resolveAclSupportedCapabilities({}) override='{}'", session, override);
- }
-
- if (override.length() == 0) {
- return Collections.emptySet();
- }
-
- String[] names = GenericUtils.split(override, ',');
- Set<Integer> maskValues = new HashSet<>(names.length);
- for (String n : names) {
- Integer v = ValidateUtils.checkNotNull(
- AclSupportedParser.AclCapabilities.getAclCapabilityValue(n), "Unknown ACL capability: %s", n);
- maskValues.add(v);
- }
-
- return maskValues;
- }
-
- protected List<OpenSSHExtension> appendOpenSSHExtensions(Buffer buffer) {
- List<OpenSSHExtension> extList = resolveOpenSSHExtensions(getServerSession());
- if (GenericUtils.isEmpty(extList)) {
- return extList;
- }
-
- for (OpenSSHExtension ext : extList) {
- buffer.putString(ext.getName());
- buffer.putString(ext.getVersion());
- }
-
- return extList;
- }
-
- protected List<OpenSSHExtension> resolveOpenSSHExtensions(ServerSession session) {
- String value = session.getString(OPENSSH_EXTENSIONS_PROP);
- if (value == null) { // No override
- return DEFAULT_OPEN_SSH_EXTENSIONS;
- }
-
- if (log.isDebugEnabled()) {
- log.debug("resolveOpenSSHExtensions({}) override='{}'", session, value);
- }
-
- String[] pairs = GenericUtils.split(value, ',');
- int numExts = GenericUtils.length(pairs);
- if (numExts <= 0) { // User does not want to report ANY extensions
- return Collections.emptyList();
- }
-
- List<OpenSSHExtension> extList = new ArrayList<>(numExts);
- for (String nvp : pairs) {
- nvp = GenericUtils.trimToEmpty(nvp);
- if (GenericUtils.isEmpty(nvp)) {
- continue;
- }
-
- int pos = nvp.indexOf('=');
- ValidateUtils.checkTrue((pos > 0) && (pos < (nvp.length() - 1)), "Malformed OpenSSH extension spec: %s", nvp);
- String name = GenericUtils.trimToEmpty(nvp.substring(0, pos));
- String version = GenericUtils.trimToEmpty(nvp.substring(pos + 1));
- extList.add(new OpenSSHExtension(name, ValidateUtils.checkNotNullAndNotEmpty(version, "No version specified for OpenSSH extension %s", name)));
- }
-
- return extList;
- }
-
- protected Map<String, OptionalFeature> getSupportedClientExtensions() {
- ServerSession session = getServerSession();
- String value = session.getString(CLIENT_EXTENSIONS_PROP);
- if (value == null) {
- return DEFAULT_SUPPORTED_CLIENT_EXTENSIONS;
- }
-
- if (log.isDebugEnabled()) {
- log.debug("getSupportedClientExtensions({}) override='{}'", session, value);
- }
-
- if (value.length() <= 0) { // means don't report any extensions
- return Collections.emptyMap();
- }
-
- if (value.indexOf(',') <= 0) {
- return Collections.singletonMap(value, OptionalFeature.TRUE);
- }
-
- String[] comps = GenericUtils.split(value, ',');
- Map<String, OptionalFeature> result = new LinkedHashMap<>(comps.length);
- for (String c : comps) {
- result.put(c, OptionalFeature.TRUE);
- }
-
- return result;
- }
-
- /**
- * Appends the "versions" extension to the buffer. <B>Note:</B>
- * if overriding this method make sure you either do not append anything
- * or use the correct extension name
- *
- * @param buffer The {@link Buffer} to append to
- * @param value The recommended value - ignored if {@code null}/empty
- * @see SftpConstants#EXT_VERSIONS
- */
- protected void appendVersionsExtension(Buffer buffer, String value) {
- if (GenericUtils.isEmpty(value)) {
- return;
- }
-
- if (log.isDebugEnabled()) {
- log.debug("appendVersionsExtension({}) value={}", getServerSession(), value);
- }
-
- buffer.putString(SftpConstants.EXT_VERSIONS);
- buffer.putString(value);
- }
-
- /**
- * Appends the "newline" extension to the buffer. <B>Note:</B>
- * if overriding this method make sure you either do not append anything
- * or use the correct extension name
- *
- * @param buffer The {@link Buffer} to append to
- * @param value The recommended value - ignored if {@code null}/empty
- * @see SftpConstants#EXT_NEWLINE
- */
- protected void appendNewlineExtension(Buffer buffer, String value) {
- if (GenericUtils.isEmpty(value)) {
- return;
- }
-
- if (log.isDebugEnabled()) {
- log.debug("appendNewlineExtension({}) value={}",
- getServerSession(), BufferUtils.toHex(':', value.getBytes(StandardCharsets.UTF_8)));
- }
-
- buffer.putString(SftpConstants.EXT_NEWLINE);
- buffer.putString(value);
- }
-
- protected String resolveNewlineValue(ServerSession session) {
- String value = session.getString(NEWLINE_VALUE);
- if (value == null) {
- return IoUtils.EOL;
- } else {
- return value; // empty means disabled
- }
- }
-
- /**
- * Appends the "vendor-id" extension to the buffer. <B>Note:</B>
- * if overriding this method make sure you either do not append anything
- * or use the correct extension name
- *
- * @param buffer The {@link Buffer} to append to
- * @param versionProperties The currently available version properties - ignored
- * if {@code null}/empty. The code expects the following values:
- * <UL>
- * <LI>{@code groupId} - as the vendor name</LI>
- * <LI>{@code artifactId} - as the product name</LI>
- * <LI>{@code version} - as the product version</LI>
- * </UL>
- * @see SftpConstants#EXT_VENDOR_ID
- * @see <A HREF="http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt">DRAFT 09 - section 4.4</A>
- */
- protected void appendVendorIdExtension(Buffer buffer, Map<String, ?> versionProperties) {
- if (GenericUtils.isEmpty(versionProperties)) {
- return;
- }
-
- if (log.isDebugEnabled()) {
- log.debug("appendVendorIdExtension({}): {}", getServerSession(), versionProperties);
- }
- buffer.putString(SftpConstants.EXT_VENDOR_ID);
-
- PropertyResolver resolver = PropertyResolverUtils.toPropertyResolver(Collections.unmodifiableMap(versionProperties));
- // placeholder for length
- int lenPos = buffer.wpos();
- buffer.putInt(0);
- buffer.putString(resolver.getStringProperty("groupId", getClass().getPackage().getName())); // vendor-name
- buffer.putString(resolver.getStringProperty("artifactId", getClass().getSimpleName())); // product-name
- buffer.putString(resolver.getStringProperty("version", FactoryManager.DEFAULT_VERSION)); // product-version
- buffer.putLong(0L); // product-build-number
- BufferUtils.updateLengthPlaceholder(buffer, lenPos);
- }
-
- /**
- * Appends the "supported" extension to the buffer. <B>Note:</B>
- * if overriding this method make sure you either do not append anything
- * or use the correct extension name
- *
- * @param buffer The {@link Buffer} to append to
- * @param extras The extra extensions that are available and can be reported
- * - may be {@code null}/empty
- */
- protected void appendSupportedExtension(Buffer buffer, Collection<String> extras) {
- buffer.putString(SftpConstants.EXT_SUPPORTED);
-
- int lenPos = buffer.wpos();
- buffer.putInt(0); // length placeholder
- // supported-attribute-mask
- buffer.putInt(SftpConstants.SSH_FILEXFER_ATTR_SIZE | SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS
- | SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME | SftpConstants.SSH_FILEXFER_ATTR_CREATETIME
- | SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME | SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP
- | SftpConstants.SSH_FILEXFER_ATTR_BITS);
- // TODO: supported-attribute-bits
- buffer.putInt(0);
- // supported-open-flags
- buffer.putInt(SftpConstants.SSH_FXF_READ | SftpConstants.SSH_FXF_WRITE | SftpConstants.SSH_FXF_APPEND
- | SftpConstants.SSH_FXF_CREAT | SftpConstants.SSH_FXF_TRUNC | SftpConstants.SSH_FXF_EXCL);
- // TODO: supported-access-mask
- buffer.putInt(0);
- // max-read-size
- buffer.putInt(0);
- // supported extensions
- buffer.putStringList(extras, false);
-
- BufferUtils.updateLengthPlaceholder(buffer, lenPos);
- }
-
- /**
- * Appends the "supported2" extension to the buffer. <B>Note:</B>
- * if overriding this method make sure you either do not append anything
- * or use the correct extension name
- *
- * @param buffer The {@link Buffer} to append to
- * @param extras The extra extensions that are available and can be reported
- * - may be {@code null}/empty
- * @see SftpConstants#EXT_SUPPORTED
- * @see <A HREF="https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#page-10">DRAFT 13 section 5.4</A>
- */
- protected void appendSupported2Extension(Buffer buffer, Collection<String> extras) {
- buffer.putString(SftpConstants.EXT_SUPPORTED2);
-
- int lenPos = buffer.wpos();
- buffer.putInt(0); // length placeholder
- // supported-attribute-mask
- buffer.putInt(SftpConstants.SSH_FILEXFER_ATTR_SIZE | SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS
- | SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME | SftpConstants.SSH_FILEXFER_ATTR_CREATETIME
- | SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME | SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP
- | SftpConstants.SSH_FILEXFER_ATTR_BITS);
- // TODO: supported-attribute-bits
- buffer.putInt(0);
- // supported-open-flags
- buffer.putInt(SftpConstants.SSH_FXF_ACCESS_DISPOSITION | SftpConstants.SSH_FXF_APPEND_DATA);
- // TODO: supported-access-mask
- buffer.putInt(0);
- // max-read-size
- buffer.putInt(0);
- // supported-open-block-vector
- buffer.putShort(0);
- // supported-block-vector
- buffer.putShort(0);
- // attrib-extension-count + attributes name
- buffer.putStringList(Collections.<String>emptyList(), true);
- // extension-count + supported extensions
- buffer.putStringList(extras, true);
-
- BufferUtils.updateLengthPlaceholder(buffer, lenPos);
- }
-
- protected void sendHandle(Buffer buffer, int id, String handle) throws IOException {
- buffer.putByte((byte) SftpConstants.SSH_FXP_HANDLE);
- buffer.putInt(id);
- buffer.putString(handle);
- send(buffer);
- }
-
- protected void sendAttrs(Buffer buffer, int id, Map<String, ?> attributes) throws IOException {
- buffer.putByte((byte) SftpConstants.SSH_FXP_ATTRS);
- buffer.putInt(id);
- writeAttrs(buffer, attributes);
- send(buffer);
- }
-
- protected void sendLink(Buffer buffer, int id, String link) throws IOException {
- //in case we are running on Windows
- String unixPath = link.replace(File.separatorChar, '/');
-
- buffer.putByte((byte) SftpConstants.SSH_FXP_NAME);
- buffer.putInt(id);
- buffer.putInt(1); // one response
- buffer.putString(unixPath);
-
- /*
- * As per the spec (https://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#section-6.10):
- *
- * The server will respond with a SSH_FXP_NAME packet containing only
- * one name and a dummy attributes value.
- */
- Map<String, Object> attrs = Collections.emptyMap();
- int version = getVersion();
- if (version == SftpConstants.SFTP_V3) {
- buffer.putString(SftpHelper.getLongName(unixPath, attrs));
- }
-
- writeAttrs(buffer, attrs);
- SftpHelper.indicateEndOfNamesList(buffer, getVersion(), getServerSession());
- send(buffer);
- }
-
- protected void sendPath(Buffer buffer, int id, Path f, Map<String, ?> attrs) throws IOException {
- buffer.putByte((byte) SftpConstants.SSH_FXP_NAME);
- buffer.putInt(id);
- buffer.putInt(1); // one reply
-
- String originalPath = f.toString();
- //in case we are running on Windows
- String unixPath = originalPath.replace(File.separatorChar, '/');
- buffer.putString(unixPath);
-
- int version = getVersion();
- if (version == SftpConstants.SFTP_V3) {
- buffer.putString(getLongName(f, getShortName(f), attrs));
- }
-
- writeAttrs(buffer, attrs);
- SftpHelper.indicateEndOfNamesList(buffer, getVersion(), getServerSession());
- send(buffer);
- }
-
- /**
- * @param id Request id
- * @param handle The (opaque) handle assigned to this directory
- * @param dir The {@link DirectoryHandle}
- * @param buffer The {@link Buffer} to write the results
- * @param maxSize Max. buffer size
- * @param options The {@link LinkOption}-s to use when querying the directory contents
- * @return Number of written entries
- * @throws IOException If failed to generate an entry
- */
- protected int doReadDir(
- int id, String handle, DirectoryHandle dir, Buffer buffer, int maxSize, LinkOption... options) throws IOException {
- int nb = 0;
- Map<String, Path> entries = new TreeMap<>(Comparator.naturalOrder());
- while ((dir.isSendDot() || dir.isSendDotDot() || dir.hasNext()) && (buffer.wpos() < maxSize)) {
- if (dir.isSendDot()) {
- writeDirEntry(id, dir, entries, buffer, nb, dir.getFile(), ".", options);
- dir.markDotSent(); // do not send it again
- } else if (dir.isSendDotDot()) {
- Path dirPath = dir.getFile();
- writeDirEntry(id, dir, entries, buffer, nb, dirPath.getParent(), "..", options);
- dir.markDotDotSent(); // do not send it again
- } else {
- Path f = dir.next();
- writeDirEntry(id, dir, entries, buffer, nb, f, getShortName(f), options);
- }
-
- nb++;
- }
-
- SftpEventListener listener = getSftpEventListenerProxy();
- listener.read(getServerSession(), handle, dir, entries);
- return nb;
- }
-
- /**
- * @param id Request id
- * @param dir The {@link DirectoryHandle}
- * @param entries An in / out {@link Map} for updating the written entry -
- * key = short name, value = entry {@link Path}
- * @param buffer The {@link Buffer} to write the results
- * @param index Zero-based index of the entry to be written
- * @param f The entry {@link Path}
- * @param shortName The entry short name
- * @param options The {@link LinkOption}s to use for querying the entry-s attributes
- * @throws IOException If failed to generate the entry data
- */
- protected void writeDirEntry(
- int id, DirectoryHandle dir, Map<String, Path> entries, Buffer buffer, int index, Path f, String shortName, LinkOption... options)
- throws IOException {
- Map<String, ?> attrs = resolveFileAttributes(f, SftpConstants.SSH_FILEXFER_ATTR_ALL, options);
- entries.put(shortName, f);
-
- buffer.putString(shortName);
- int version = getVersion();
- if (version == SftpConstants.SFTP_V3) {
- String longName = getLongName(f, shortName, options);
- buffer.putString(longName);
- if (log.isTraceEnabled()) {
- log.trace("writeDirEntry(" + getServerSession() + ") id=" + id + ")[" + index + "] - "
- + shortName + " [" + longName + "]: " + attrs);
- }
- } else {
- if (log.isTraceEnabled()) {
- log.trace("writeDirEntry(" + getServerSession() + "(id=" + id + ")[" + index + "] - "
- + shortName + ": " + attrs);
- }
- }
-
- writeAttrs(buffer, attrs);
- }
-
- protected String getLongName(Path f, String shortName, LinkOption... options) throws IOException {
- return getLongName(f, shortName, true, options);
- }
-
- protected String getLongName(Path f, String shortName, boolean sendAttrs, LinkOption... options) throws IOException {
- Map<String, Object> attributes;
- if (sendAttrs) {
- attributes = getAttributes(f, options);
- } else {
- attributes = Collections.emptyMap();
- }
- return getLongName(f, shortName, attributes);
- }
-
- protected String getLongName(Path f, String shortName, Map<String, ?> attributes) throws IOException {
- return SftpHelper.getLongName(shortName, attributes);
- }
-
- protected String getShortName(Path f) throws IOException {
- Path nrm = normalize(f);
- int count = nrm.getNameCount();
- /*
- * According to the javadoc:
- *
- * The number of elements in the path, or 0 if this path only
- * represents a root component
- */
- if (OsUtils.isUNIX()) {
- Path name = f.getFileName();
- if (name == null) {
- Path p = resolveFile(".");
- name = p.getFileName();
- }
-
- if (name == null) {
- if (count > 0) {
- name = nrm.getFileName();
- }
- }
-
- if (name != null) {
- return name.toString();
- } else {
- return nrm.toString();
- }
- } else { // need special handling for Windows root drives
- if (count > 0) {
- Path name = nrm.getFileName();
- return name.toString();
- } else {
- return nrm.toString().replace(File.separatorChar, '/');
- }
- }
- }
-
- protected NavigableMap<String, Object> resolveFileAttributes(Path file, int flags, LinkOption... options) throws IOException {
- Boolean status = IoUtils.checkFileExists(file, options);
- if (status == null) {
- return handleUnknownStatusFileAttributes(file, flags, options);
- } else if (!status) {
- throw new NoSuchFileException(file.toString(), file.toString(), "Attributes N/A for target");
- } else {
- return getAttributes(file, flags, options);
- }
- }
-
- protected void writeAttrs(Buffer buffer, Map<String, ?> attributes) throws IOException {
- SftpHelper.writeAttrs(buffer, getVersion(), attributes);
- }
-
- protected NavigableMap<String, Object> getAttributes(Path file, LinkOption... options) throws IOException {
- return getAttributes(file, SftpConstants.SSH_FILEXFER_ATTR_ALL, options);
- }
-
- protected NavigableMap<String, Object> handleUnknownStatusFileAttributes(Path file, int flags, LinkOption... options) throws IOException {
- UnsupportedAttributePolicy unsupportedAttributePolicy = getUnsupportedAttributePolicy();
- switch (unsupportedAttributePolicy) {
- case Ignore:
- break;
- case ThrowException:
- throw new AccessDeniedException(file.toString(), file.toString(), "Cannot determine existence for attributes of target");
- case Warn:
- log.warn("handleUnknownStatusFileAttributes(" + getServerSession() + ")[" + file + "] cannot determine existence");
- break;
- default:
- log.warn("handleUnknownStatusFileAttributes(" + getServerSession() + ")[" + file + "] unknown policy: " + unsupportedAttributePolicy);
- }
-
- return getAttributes(file, flags, options);
- }
-
- /**
- * @param file The {@link Path} location for the required attributes
- * @param flags A mask of the original required attributes - ignored by the
- * default implementation
- * @param options The {@link LinkOption}s to use in order to access the file
- * if necessary
- * @return A {@link Map} of the retrieved attributes
- * @throws IOException If failed to access the file
- * @see #resolveMissingFileAttributes(Path, int, Map, LinkOption...)
- */
- protected NavigableMap<String, Object> getAttributes(Path file, int flags, LinkOption... options) throws IOException {
- FileSystem fs = file.getFileSystem();
- Collection<String> supportedViews = fs.supportedFileAttributeViews();
- NavigableMap<String, Object> attrs = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- Collection<String> views;
-
- if (GenericUtils.isEmpty(supportedViews)) {
- views = Collections.emptyList();
- } else if (supportedViews.contains("unix")) {
-
<TRUNCATED>
[06/30] mina-sshd git commit: [SSHD-815] Extract SFTP in its own
module
Posted by gn...@apache.org.
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystem.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystem.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystem.java
new file mode 100644
index 0000000..3743477
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystem.java
@@ -0,0 +1,1069 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.UnknownServiceException;
+import java.nio.file.AccessDeniedException;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystemLoopException;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.NoSuchFileException;
+import java.nio.file.NotDirectoryException;
+import java.nio.file.Path;
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Objects;
+import java.util.TreeMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.apache.sshd.common.Factory;
+import org.apache.sshd.common.FactoryManager;
+import org.apache.sshd.common.digest.BuiltinDigests;
+import org.apache.sshd.common.digest.DigestFactory;
+import org.apache.sshd.common.file.FileSystemAware;
+import org.apache.sshd.common.random.Random;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.subsystem.sftp.SftpHelper;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.FsyncExtensionParser;
+import org.apache.sshd.common.subsystem.sftp.extensions.openssh.HardLinkExtensionParser;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.ValidateUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.buffer.BufferUtils;
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.common.util.threads.ExecutorServiceCarrier;
+import org.apache.sshd.common.util.threads.ThreadUtils;
+import org.apache.sshd.server.Command;
+import org.apache.sshd.server.Environment;
+import org.apache.sshd.server.ExitCallback;
+import org.apache.sshd.server.SessionAware;
+import org.apache.sshd.server.session.ServerSession;
+
+/**
+ * SFTP subsystem
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpSubsystem
+ extends AbstractSftpSubsystemHelper
+ implements Command, Runnable, SessionAware, FileSystemAware, ExecutorServiceCarrier {
+
+ /**
+ * Properties key for the maximum of available open handles per session.
+ */
+ public static final String MAX_OPEN_HANDLES_PER_SESSION = "max-open-handles-per-session";
+ public static final int DEFAULT_MAX_OPEN_HANDLES = Integer.MAX_VALUE;
+
+ /**
+ * Size in bytes of the opaque handle value
+ *
+ * @see #DEFAULT_FILE_HANDLE_SIZE
+ */
+ public static final String FILE_HANDLE_SIZE = "sftp-handle-size";
+ public static final int MIN_FILE_HANDLE_SIZE = 4; // ~uint32
+ public static final int DEFAULT_FILE_HANDLE_SIZE = 16;
+ public static final int MAX_FILE_HANDLE_SIZE = 64; // ~sha512
+
+ /**
+ * Max. rounds to attempt to create a unique file handle - if all handles
+ * already in use after these many rounds, then an exception is thrown
+ *
+ * @see #generateFileHandle(Path)
+ * @see #DEFAULT_FILE_HANDLE_ROUNDS
+ */
+ public static final String MAX_FILE_HANDLE_RAND_ROUNDS = "sftp-handle-rand-max-rounds";
+ public static final int MIN_FILE_HANDLE_ROUNDS = 1;
+ public static final int DEFAULT_FILE_HANDLE_ROUNDS = MIN_FILE_HANDLE_SIZE;
+ public static final int MAX_FILE_HANDLE_ROUNDS = MAX_FILE_HANDLE_SIZE;
+
+ /**
+ * Maximum amount of data allocated for listing the contents of a directory
+ * in any single invocation of {@link #doReadDir(Buffer, int)}
+ *
+ * @see #DEFAULT_MAX_READDIR_DATA_SIZE
+ */
+ public static final String MAX_READDIR_DATA_SIZE_PROP = "sftp-max-readdir-data-size";
+ public static final int DEFAULT_MAX_READDIR_DATA_SIZE = 16 * 1024;
+
+ protected ExitCallback callback;
+ protected InputStream in;
+ protected OutputStream out;
+ protected OutputStream err;
+ protected Environment env;
+ protected Random randomizer;
+ protected int fileHandleSize = DEFAULT_FILE_HANDLE_SIZE;
+ protected int maxFileHandleRounds = DEFAULT_FILE_HANDLE_ROUNDS;
+ protected Future<?> pendingFuture;
+ protected byte[] workBuf = new byte[Math.max(DEFAULT_FILE_HANDLE_SIZE, Integer.BYTES)];
+ protected FileSystem fileSystem = FileSystems.getDefault();
+ protected Path defaultDir = fileSystem.getPath(System.getProperty("user.dir"));
+ protected long requestsCount;
+ protected int version;
+ protected final Map<String, byte[]> extensions = new TreeMap<>(Comparator.naturalOrder());
+ protected final Map<String, Handle> handles = new HashMap<>();
+
+ private ServerSession serverSession;
+ private final AtomicBoolean closed = new AtomicBoolean(false);
+ private ExecutorService executorService;
+ private boolean shutdownOnExit;
+
+ /**
+ * @param executorService The {@link ExecutorService} to be used by
+ * the {@link SftpSubsystem} command when starting execution. If
+ * {@code null} then a single-threaded ad-hoc service is used.
+ * @param shutdownOnExit If {@code true} the {@link ExecutorService#shutdownNow()}
+ * will be called when subsystem terminates - unless it is the ad-hoc
+ * service, which will be shutdown regardless
+ * @param policy The {@link UnsupportedAttributePolicy} to use if failed to access
+ * some local file attributes
+ * @param accessor The {@link SftpFileSystemAccessor} to use for opening files and directories
+ * @param errorStatusDataHandler The (never {@code null}) {@link SftpErrorStatusDataHandler} to
+ * use when generating failed commands error messages
+ * @see ThreadUtils#newSingleThreadExecutor(String)
+ */
+ public SftpSubsystem(ExecutorService executorService, boolean shutdownOnExit, UnsupportedAttributePolicy policy,
+ SftpFileSystemAccessor accessor, SftpErrorStatusDataHandler errorStatusDataHandler) {
+ super(policy, accessor, errorStatusDataHandler);
+
+ if (executorService == null) {
+ this.executorService = ThreadUtils.newSingleThreadExecutor(getClass().getSimpleName());
+ this.shutdownOnExit = true; // we always close the ad-hoc executor service
+ } else {
+ this.executorService = executorService;
+ this.shutdownOnExit = shutdownOnExit;
+ }
+ }
+
+ @Override
+ public int getVersion() {
+ return version;
+ }
+
+ @Override
+ public Path getDefaultDirectory() {
+ return defaultDir;
+ }
+
+ @Override
+ public ExecutorService getExecutorService() {
+ return executorService;
+ }
+
+ @Override
+ public boolean isShutdownOnExit() {
+ return shutdownOnExit;
+ }
+
+ @Override
+ public void setSession(ServerSession session) {
+ this.serverSession = Objects.requireNonNull(session, "No session");
+
+ FactoryManager manager = session.getFactoryManager();
+ Factory<? extends Random> factory = manager.getRandomFactory();
+ this.randomizer = factory.create();
+
+ this.fileHandleSize = session.getIntProperty(FILE_HANDLE_SIZE, DEFAULT_FILE_HANDLE_SIZE);
+ ValidateUtils.checkTrue(this.fileHandleSize >= MIN_FILE_HANDLE_SIZE, "File handle size too small: %d", this.fileHandleSize);
+ ValidateUtils.checkTrue(this.fileHandleSize <= MAX_FILE_HANDLE_SIZE, "File handle size too big: %d", this.fileHandleSize);
+
+ this.maxFileHandleRounds = session.getIntProperty(MAX_FILE_HANDLE_RAND_ROUNDS, DEFAULT_FILE_HANDLE_ROUNDS);
+ ValidateUtils.checkTrue(this.maxFileHandleRounds >= MIN_FILE_HANDLE_ROUNDS, "File handle rounds too small: %d", this.maxFileHandleRounds);
+ ValidateUtils.checkTrue(this.maxFileHandleRounds <= MAX_FILE_HANDLE_ROUNDS, "File handle rounds too big: %d", this.maxFileHandleRounds);
+
+ if (workBuf.length < this.fileHandleSize) {
+ workBuf = new byte[this.fileHandleSize];
+ }
+ }
+
+ @Override
+ public ServerSession getServerSession() {
+ return serverSession;
+ }
+
+ @Override
+ public void setFileSystem(FileSystem fileSystem) {
+ if (fileSystem != this.fileSystem) {
+ this.fileSystem = fileSystem;
+
+ Iterable<Path> roots = Objects.requireNonNull(fileSystem.getRootDirectories(), "No root directories");
+ Iterator<Path> available = Objects.requireNonNull(roots.iterator(), "No roots iterator");
+ ValidateUtils.checkTrue(available.hasNext(), "No available root");
+ this.defaultDir = available.next();
+ }
+ }
+
+ @Override
+ public void setExitCallback(ExitCallback callback) {
+ this.callback = callback;
+ }
+
+ @Override
+ public void setInputStream(InputStream in) {
+ this.in = in;
+ }
+
+ @Override
+ public void setOutputStream(OutputStream out) {
+ this.out = out;
+ }
+
+ @Override
+ public void setErrorStream(OutputStream err) {
+ this.err = err;
+ }
+
+ @Override
+ public void start(Environment env) throws IOException {
+ this.env = env;
+ try {
+ ExecutorService executor = getExecutorService();
+ pendingFuture = executor.submit(this);
+ } catch (RuntimeException e) { // e.g., RejectedExecutionException
+ log.error("Failed (" + e.getClass().getSimpleName() + ") to start command: " + e.toString(), e);
+ throw new IOException(e);
+ }
+ }
+
+ @Override
+ public void run() {
+ try {
+ for (long count = 1L;; count++) {
+ int length = BufferUtils.readInt(in, workBuf, 0, workBuf.length);
+ ValidateUtils.checkTrue(length >= (Integer.BYTES + 1 /* command */), "Bad length to read: %d", length);
+
+ Buffer buffer = new ByteArrayBuffer(length + Integer.BYTES + Long.SIZE /* a bit extra */, false);
+ buffer.putInt(length);
+ for (int remainLen = length; remainLen > 0;) {
+ int l = in.read(buffer.array(), buffer.wpos(), remainLen);
+ if (l < 0) {
+ throw new IllegalArgumentException("Premature EOF at buffer #" + count + " while read length=" + length + " and remain=" + remainLen);
+ }
+ buffer.wpos(buffer.wpos() + l);
+ remainLen -= l;
+ }
+
+ process(buffer);
+ }
+ } catch (Throwable t) {
+ if ((!closed.get()) && (!(t instanceof EOFException))) { // Ignore
+ log.error("run({}) {} caught in SFTP subsystem: {}",
+ getServerSession(), t.getClass().getSimpleName(), t.getMessage());
+ if (log.isDebugEnabled()) {
+ log.debug("run(" + getServerSession() + ") caught exception details", t);
+ }
+ }
+ } finally {
+ boolean debugEnabled = log.isDebugEnabled();
+ handles.forEach((id, handle) -> {
+ try {
+ handle.close();
+ if (debugEnabled) {
+ log.debug("run({}) closed pending handle {} [{}]", getServerSession(), id, handle);
+ }
+ } catch (IOException ioe) {
+ log.error("run({}) failed ({}) to close handle={}[{}]: {}",
+ getServerSession(), ioe.getClass().getSimpleName(), id, handle, ioe.getMessage());
+ }
+ });
+
+ callback.onExit(0);
+ }
+ }
+
+ @Override
+ protected void process(Buffer buffer) throws IOException {
+ int length = buffer.getInt();
+ int type = buffer.getUByte();
+ int id = buffer.getInt();
+ if (log.isDebugEnabled()) {
+ log.debug("process({})[length={}, type={}, id={}] processing",
+ getServerSession(), length, SftpConstants.getCommandMessageName(type), id);
+ }
+
+ switch (type) {
+ case SftpConstants.SSH_FXP_INIT:
+ doInit(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_OPEN:
+ doOpen(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_CLOSE:
+ doClose(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_READ:
+ doRead(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_WRITE:
+ doWrite(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_LSTAT:
+ doLStat(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_FSTAT:
+ doFStat(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_SETSTAT:
+ doSetStat(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_FSETSTAT:
+ doFSetStat(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_OPENDIR:
+ doOpenDir(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_READDIR:
+ doReadDir(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_REMOVE:
+ doRemove(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_MKDIR:
+ doMakeDirectory(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_RMDIR:
+ doRemoveDirectory(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_REALPATH:
+ doRealPath(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_STAT:
+ doStat(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_RENAME:
+ doRename(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_READLINK:
+ doReadLink(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_SYMLINK:
+ doSymLink(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_LINK:
+ doLink(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_BLOCK:
+ doBlock(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_UNBLOCK:
+ doUnblock(buffer, id);
+ break;
+ case SftpConstants.SSH_FXP_EXTENDED:
+ doExtended(buffer, id);
+ break;
+ default:
+ {
+ String name = SftpConstants.getCommandMessageName(type);
+ log.warn("process({})[length={}, type={}, id={}] unknown command",
+ getServerSession(), length, name, id);
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OP_UNSUPPORTED, "Command " + name + " is unsupported or not implemented");
+ }
+ }
+
+ if (type != SftpConstants.SSH_FXP_INIT) {
+ requestsCount++;
+ }
+ }
+
+ @Override
+ protected void executeExtendedCommand(Buffer buffer, int id, String extension) throws IOException {
+ switch (extension) {
+ case SftpConstants.EXT_TEXT_SEEK:
+ doTextSeek(buffer, id);
+ break;
+ case SftpConstants.EXT_VERSION_SELECT:
+ doVersionSelect(buffer, id);
+ break;
+ case SftpConstants.EXT_COPY_FILE:
+ doCopyFile(buffer, id);
+ break;
+ case SftpConstants.EXT_COPY_DATA:
+ doCopyData(buffer, id);
+ break;
+ case SftpConstants.EXT_MD5_HASH:
+ case SftpConstants.EXT_MD5_HASH_HANDLE:
+ doMD5Hash(buffer, id, extension);
+ break;
+ case SftpConstants.EXT_CHECK_FILE_HANDLE:
+ case SftpConstants.EXT_CHECK_FILE_NAME:
+ doCheckFileHash(buffer, id, extension);
+ break;
+ case FsyncExtensionParser.NAME:
+ doOpenSSHFsync(buffer, id);
+ break;
+ case SftpConstants.EXT_SPACE_AVAILABLE:
+ doSpaceAvailable(buffer, id);
+ break;
+ case HardLinkExtensionParser.NAME:
+ doOpenSSHHardLink(buffer, id);
+ break;
+ default:
+ if (log.isDebugEnabled()) {
+ log.debug("executeExtendedCommand({}) received unsupported SSH_FXP_EXTENDED({})", getServerSession(), extension);
+ }
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OP_UNSUPPORTED, "Command SSH_FXP_EXTENDED(" + extension + ") is unsupported or not implemented");
+ break;
+ }
+ }
+
+ @Override
+ protected void createLink(int id, String existingPath, String linkPath, boolean symLink) throws IOException {
+ Path link = resolveFile(linkPath);
+ Path existing = fileSystem.getPath(existingPath);
+ if (log.isDebugEnabled()) {
+ log.debug("createLink({})[id={}], existing={}[{}], link={}[{}], symlink={})",
+ getServerSession(), id, linkPath, link, existingPath, existing, symLink);
+ }
+
+ SftpEventListener listener = getSftpEventListenerProxy();
+ ServerSession session = getServerSession();
+ listener.linking(session, link, existing, symLink);
+ try {
+ if (symLink) {
+ Files.createSymbolicLink(link, existing);
+ } else {
+ Files.createLink(link, existing);
+ }
+ } catch (IOException | RuntimeException e) {
+ listener.linked(session, link, existing, symLink, e);
+ throw e;
+ }
+ listener.linked(session, link, existing, symLink, null);
+ }
+
+ @Override
+ protected void doTextSeek(int id, String handle, long line) throws IOException {
+ Handle h = handles.get(handle);
+ if (log.isDebugEnabled()) {
+ log.debug("doTextSeek({})[id={}] SSH_FXP_EXTENDED(text-seek) (handle={}[{}], line={})",
+ getServerSession(), id, handle, h, line);
+ }
+
+ FileHandle fileHandle = validateHandle(handle, h, FileHandle.class);
+ throw new UnknownServiceException("doTextSeek(" + fileHandle + ")");
+ }
+
+ @Override
+ protected void doOpenSSHFsync(int id, String handle) throws IOException {
+ Handle h = handles.get(handle);
+ if (log.isDebugEnabled()) {
+ log.debug("doOpenSSHFsync({})[id={}] {}[{}]", getServerSession(), id, handle, h);
+ }
+
+ FileHandle fileHandle = validateHandle(handle, h, FileHandle.class);
+ SftpFileSystemAccessor accessor = getFileSystemAccessor();
+ ServerSession session = getServerSession();
+ accessor.syncFileData(session, this, fileHandle.getFile(), fileHandle.getFileHandle(), fileHandle.getFileChannel());
+ }
+
+ @Override
+ protected void doCheckFileHash(
+ int id, String targetType, String target, Collection<String> algos,
+ long startOffset, long length, int blockSize, Buffer buffer)
+ throws Exception {
+ Path path;
+ if (SftpConstants.EXT_CHECK_FILE_HANDLE.equalsIgnoreCase(targetType)) {
+ Handle h = handles.get(target);
+ FileHandle fileHandle = validateHandle(target, h, FileHandle.class);
+ path = fileHandle.getFile();
+
+ /*
+ * To quote http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt section 9.1.2:
+ *
+ * If ACE4_READ_DATA was not included when the file was opened,
+ * the server MUST return STATUS_PERMISSION_DENIED.
+ */
+ int access = fileHandle.getAccessMask();
+ if ((access & SftpConstants.ACE4_READ_DATA) == 0) {
+ throw new AccessDeniedException(path.toString(), path.toString(), "File not opened for read");
+ }
+ } else {
+ path = resolveFile(target);
+
+ /*
+ * To quote http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt section 9.1.2:
+ *
+ * If 'check-file-name' refers to a SSH_FILEXFER_TYPE_SYMLINK, the
+ * target should be opened.
+ */
+ for (int index = 0; Files.isSymbolicLink(path) && (index < Byte.MAX_VALUE /* TODO make this configurable */); index++) {
+ path = Files.readSymbolicLink(path);
+ }
+
+ if (Files.isSymbolicLink(path)) {
+ throw new FileSystemLoopException(target);
+ }
+
+ if (Files.isDirectory(path, IoUtils.getLinkOptions(false))) {
+ throw new NotDirectoryException(path.toString());
+ }
+ }
+
+ ValidateUtils.checkNotNullAndNotEmpty(algos, "No hash algorithms specified");
+
+ DigestFactory factory = null;
+ for (String a : algos) {
+ factory = BuiltinDigests.fromFactoryName(a);
+ if ((factory != null) && factory.isSupported()) {
+ break;
+ }
+ }
+ ValidateUtils.checkNotNull(factory, "No matching digest factory found for %s", algos);
+
+ doCheckFileHash(id, path, factory, startOffset, length, blockSize, buffer);
+ }
+
+ @Override
+ protected byte[] doMD5Hash(
+ int id, String targetType, String target, long startOffset, long length, byte[] quickCheckHash)
+ throws Exception {
+ if (log.isDebugEnabled()) {
+ log.debug("doMD5Hash({})({})[{}] offset={}, length={}, quick-hash={}",
+ getServerSession(), targetType, target, startOffset, length,
+ BufferUtils.toHex(':', quickCheckHash));
+ }
+
+ Path path;
+ if (SftpConstants.EXT_MD5_HASH_HANDLE.equalsIgnoreCase(targetType)) {
+ Handle h = handles.get(target);
+ FileHandle fileHandle = validateHandle(target, h, FileHandle.class);
+ path = fileHandle.getFile();
+
+ /*
+ * To quote http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt section 9.1.1:
+ *
+ * The handle MUST be a file handle, and ACE4_READ_DATA MUST
+ * have been included in the desired-access when the file
+ * was opened
+ */
+ int access = fileHandle.getAccessMask();
+ if ((access & SftpConstants.ACE4_READ_DATA) == 0) {
+ throw new AccessDeniedException(path.toString(), path.toString(), "File not opened for read");
+ }
+ } else {
+ path = resolveFile(target);
+ if (Files.isDirectory(path, IoUtils.getLinkOptions(true))) {
+ throw new NotDirectoryException(path.toString());
+ }
+ }
+
+ /*
+ * To quote http://tools.ietf.org/wg/secsh/draft-ietf-secsh-filexfer/draft-ietf-secsh-filexfer-09.txt section 9.1.1:
+ *
+ * If both start-offset and length are zero, the entire file should be included
+ */
+ long effectiveLength = length;
+ long totalSize = Files.size(path);
+ if ((startOffset == 0L) && (length == 0L)) {
+ effectiveLength = totalSize;
+ } else {
+ long maxRead = startOffset + effectiveLength;
+ if (maxRead > totalSize) {
+ effectiveLength = totalSize - startOffset;
+ }
+ }
+
+ return doMD5Hash(id, path, startOffset, effectiveLength, quickCheckHash);
+ }
+
+ protected void doVersionSelect(Buffer buffer, int id) throws IOException {
+ String proposed = buffer.getString();
+ ServerSession session = getServerSession();
+ /*
+ * The 'version-select' MUST be the first request from the client to the
+ * server; if it is not, the server MUST fail the request and close the
+ * channel.
+ */
+ if (requestsCount > 0L) {
+ sendStatus(BufferUtils.clear(buffer), id,
+ SftpConstants.SSH_FX_FAILURE,
+ "Version selection not the 1st request for proposal = " + proposed);
+ session.close(true);
+ return;
+ }
+
+ Boolean result = validateProposedVersion(buffer, id, proposed);
+ /*
+ * "MUST then close the channel without processing any further requests"
+ */
+ if (result == null) { // response sent internally
+ session.close(true);
+ return;
+ }
+ if (result) {
+ version = Integer.parseInt(proposed);
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_OK, "");
+ } else {
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_FAILURE, "Unsupported version " + proposed);
+ session.close(true);
+ }
+ }
+
+ @Override
+ protected void doBlock(int id, String handle, long offset, long length, int mask) throws IOException {
+ Handle p = handles.get(handle);
+ if (log.isDebugEnabled()) {
+ log.debug("doBlock({})[id={}] SSH_FXP_BLOCK (handle={}[{}], offset={}, length={}, mask=0x{})",
+ getServerSession(), id, handle, p, offset, length, Integer.toHexString(mask));
+ }
+
+ FileHandle fileHandle = validateHandle(handle, p, FileHandle.class);
+ SftpEventListener listener = getSftpEventListenerProxy();
+ ServerSession session = getServerSession();
+ listener.blocking(session, handle, fileHandle, offset, length, mask);
+ try {
+ fileHandle.lock(offset, length, mask);
+ } catch (IOException | RuntimeException e) {
+ listener.blocked(session, handle, fileHandle, offset, length, mask, e);
+ throw e;
+ }
+ listener.blocked(session, handle, fileHandle, offset, length, mask, null);
+ }
+
+ @Override
+ protected void doUnblock(int id, String handle, long offset, long length) throws IOException {
+ Handle p = handles.get(handle);
+ if (log.isDebugEnabled()) {
+ log.debug("doUnblock({})[id={}] SSH_FXP_UNBLOCK (handle={}[{}], offset={}, length={})",
+ getServerSession(), id, handle, p, offset, length);
+ }
+
+ FileHandle fileHandle = validateHandle(handle, p, FileHandle.class);
+ SftpEventListener listener = getSftpEventListenerProxy();
+ ServerSession session = getServerSession();
+ listener.unblocking(session, handle, fileHandle, offset, length);
+ try {
+ fileHandle.unlock(offset, length);
+ } catch (IOException | RuntimeException e) {
+ listener.unblocked(session, handle, fileHandle, offset, length, e);
+ throw e;
+ }
+ listener.unblocked(session, handle, fileHandle, offset, length, null);
+ }
+
+ @Override
+ @SuppressWarnings("resource")
+ protected void doCopyData(int id, String readHandle, long readOffset, long readLength, String writeHandle, long writeOffset) throws IOException {
+ boolean inPlaceCopy = readHandle.equals(writeHandle);
+ Handle rh = handles.get(readHandle);
+ Handle wh = inPlaceCopy ? rh : handles.get(writeHandle);
+ if (log.isDebugEnabled()) {
+ log.debug("doCopyData({})[id={}] SSH_FXP_EXTENDED[{}] read={}[{}], read-offset={}, read-length={}, write={}[{}], write-offset={})",
+ getServerSession(), id, SftpConstants.EXT_COPY_DATA,
+ readHandle, rh, readOffset, readLength,
+ writeHandle, wh, writeOffset);
+ }
+
+ FileHandle srcHandle = validateHandle(readHandle, rh, FileHandle.class);
+ Path srcPath = srcHandle.getFile();
+ int srcAccess = srcHandle.getAccessMask();
+ if ((srcAccess & SftpConstants.ACE4_READ_DATA) != SftpConstants.ACE4_READ_DATA) {
+ throw new AccessDeniedException(srcPath.toString(), srcPath.toString(), "Source file not opened for read");
+ }
+
+ ValidateUtils.checkTrue(readLength >= 0L, "Invalid read length: %d", readLength);
+ ValidateUtils.checkTrue(readOffset >= 0L, "Invalid read offset: %d", readOffset);
+
+ long totalSize = Files.size(srcHandle.getFile());
+ long effectiveLength = readLength;
+ if (effectiveLength == 0L) {
+ effectiveLength = totalSize - readOffset;
+ } else {
+ long maxRead = readOffset + effectiveLength;
+ if (maxRead > totalSize) {
+ effectiveLength = totalSize - readOffset;
+ }
+ }
+ ValidateUtils.checkTrue(effectiveLength > 0L, "Non-positive effective copy data length: %d", effectiveLength);
+
+ FileHandle dstHandle = inPlaceCopy ? srcHandle : validateHandle(writeHandle, wh, FileHandle.class);
+ int dstAccess = dstHandle.getAccessMask();
+ if ((dstAccess & SftpConstants.ACE4_WRITE_DATA) != SftpConstants.ACE4_WRITE_DATA) {
+ throw new AccessDeniedException(srcHandle.toString(), srcHandle.toString(), "Source handle not opened for write");
+ }
+
+ ValidateUtils.checkTrue(writeOffset >= 0L, "Invalid write offset: %d", writeOffset);
+ // check if overlapping ranges as per the draft
+ if (inPlaceCopy) {
+ long maxRead = readOffset + effectiveLength;
+ if (maxRead > totalSize) {
+ maxRead = totalSize;
+ }
+
+ long maxWrite = writeOffset + effectiveLength;
+ if (maxWrite > readOffset) {
+ throw new IllegalArgumentException("Write range end [" + writeOffset + "-" + maxWrite + "]"
+ + " overlaps with read range [" + readOffset + "-" + maxRead + "]");
+ } else if (maxRead > writeOffset) {
+ throw new IllegalArgumentException("Read range end [" + readOffset + "-" + maxRead + "]"
+ + " overlaps with write range [" + writeOffset + "-" + maxWrite + "]");
+ }
+ }
+
+ byte[] copyBuf = new byte[Math.min(IoUtils.DEFAULT_COPY_SIZE, (int) effectiveLength)];
+ while (effectiveLength > 0L) {
+ int remainLength = Math.min(copyBuf.length, (int) effectiveLength);
+ int readLen = srcHandle.read(copyBuf, 0, remainLength, readOffset);
+ if (readLen < 0) {
+ throw new EOFException("Premature EOF while still remaining " + effectiveLength + " bytes");
+ }
+ dstHandle.write(copyBuf, 0, readLen, writeOffset);
+
+ effectiveLength -= readLen;
+ readOffset += readLen;
+ writeOffset += readLen;
+ }
+ }
+
+ @Override
+ protected void doReadDir(Buffer buffer, int id) throws IOException {
+ String handle = buffer.getString();
+ Handle h = handles.get(handle);
+ boolean debugEnabled = log.isDebugEnabled();
+ if (debugEnabled) {
+ log.debug("doReadDir({})[id={}] SSH_FXP_READDIR (handle={}[{}])",
+ getServerSession(), id, handle, h);
+ }
+
+ Buffer reply = null;
+ try {
+ DirectoryHandle dh = validateHandle(handle, h, DirectoryHandle.class);
+ if (dh.isDone()) {
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_EOF, "Directory reading is done");
+ return;
+ }
+
+ Path file = dh.getFile();
+ LinkOption[] options =
+ getPathResolutionLinkOption(SftpConstants.SSH_FXP_READDIR, "", file);
+ Boolean status = IoUtils.checkFileExists(file, options);
+ if (status == null) {
+ throw new AccessDeniedException(file.toString(), file.toString(), "Cannot determine existence of read-dir");
+ }
+
+ if (!status) {
+ throw new NoSuchFileException(file.toString(), file.toString(), "Non-existent directory");
+ } else if (!Files.isDirectory(file, options)) {
+ throw new NotDirectoryException(file.toString());
+ } else if (!Files.isReadable(file)) {
+ throw new AccessDeniedException(file.toString(), file.toString(), "Not readable");
+ }
+
+ if (dh.isSendDot() || dh.isSendDotDot() || dh.hasNext()) {
+ // There is at least one file in the directory or we need to send the "..".
+ // Send only a few files at a time to not create packets of a too
+ // large size or have a timeout to occur.
+
+ reply = BufferUtils.clear(buffer);
+ reply.putByte((byte) SftpConstants.SSH_FXP_NAME);
+ reply.putInt(id);
+
+ int lenPos = reply.wpos();
+ reply.putInt(0);
+
+ ServerSession session = getServerSession();
+ int maxDataSize = session.getIntProperty(MAX_READDIR_DATA_SIZE_PROP, DEFAULT_MAX_READDIR_DATA_SIZE);
+ int count = doReadDir(id, handle, dh, reply, maxDataSize, IoUtils.getLinkOptions(false));
+ BufferUtils.updateLengthPlaceholder(reply, lenPos, count);
+ if ((!dh.isSendDot()) && (!dh.isSendDotDot()) && (!dh.hasNext())) {
+ dh.markDone();
+ }
+
+ Boolean indicator =
+ SftpHelper.indicateEndOfNamesList(reply, getVersion(), session, dh.isDone());
+ if (debugEnabled) {
+ log.debug("doReadDir({})({})[{}] - seding {} entries - eol={}", session, handle, h, count, indicator);
+ }
+ } else {
+ // empty directory
+ dh.markDone();
+ sendStatus(BufferUtils.clear(buffer), id, SftpConstants.SSH_FX_EOF, "Empty directory");
+ return;
+ }
+
+ Objects.requireNonNull(reply, "No reply buffer created");
+ } catch (IOException | RuntimeException e) {
+ sendStatus(BufferUtils.clear(buffer), id, e, SftpConstants.SSH_FXP_READDIR, handle);
+ return;
+ }
+
+ send(reply);
+ }
+
+ @Override
+ protected String doOpenDir(int id, String path, Path p, LinkOption... options) throws IOException {
+ Boolean status = IoUtils.checkFileExists(p, options);
+ if (status == null) {
+ throw new AccessDeniedException(p.toString(), p.toString(), "Cannot determine open-dir existence");
+ }
+
+ if (!status) {
+ throw new NoSuchFileException(path, path, "Referenced target directory N/A");
+ } else if (!Files.isDirectory(p, options)) {
+ throw new NotDirectoryException(path);
+ } else if (!Files.isReadable(p)) {
+ throw new AccessDeniedException(p.toString(), p.toString(), "Not readable");
+ } else {
+ String handle = generateFileHandle(p);
+ DirectoryHandle dirHandle = new DirectoryHandle(this, p, handle);
+ handles.put(handle, dirHandle);
+ return handle;
+ }
+ }
+
+ @Override
+ protected void doFSetStat(int id, String handle, Map<String, ?> attrs) throws IOException {
+ Handle h = handles.get(handle);
+ if (log.isDebugEnabled()) {
+ log.debug("doFsetStat({})[id={}] SSH_FXP_FSETSTAT (handle={}[{}], attrs={})",
+ getServerSession(), id, handle, h, attrs);
+ }
+
+ doSetAttributes(validateHandle(handle, h, Handle.class).getFile(), attrs);
+ }
+
+ @Override
+ protected Map<String, Object> doFStat(int id, String handle, int flags) throws IOException {
+ Handle h = handles.get(handle);
+ if (log.isDebugEnabled()) {
+ log.debug("doFStat({})[id={}] SSH_FXP_FSTAT (handle={}[{}], flags=0x{})",
+ getServerSession(), id, handle, h, Integer.toHexString(flags));
+ }
+
+ Handle fileHandle = validateHandle(handle, h, Handle.class);
+ return resolveFileAttributes(fileHandle.getFile(), flags, IoUtils.getLinkOptions(true));
+ }
+
+ @Override
+ protected void doWrite(int id, String handle, long offset, int length, byte[] data, int doff, int remaining) throws IOException {
+ Handle h = handles.get(handle);
+ if (log.isTraceEnabled()) {
+ log.trace("doWrite({})[id={}] SSH_FXP_WRITE (handle={}[{}], offset={}, data=byte[{}])",
+ getServerSession(), id, handle, h, offset, length);
+ }
+
+ FileHandle fh = validateHandle(handle, h, FileHandle.class);
+ if (length < 0) {
+ throw new IllegalStateException("Bad length (" + length + ") for writing to " + fh);
+ }
+
+ if (remaining < length) {
+ throw new IllegalStateException("Not enough buffer data for writing to " + fh + ": required=" + length + ", available=" + remaining);
+ }
+
+ SftpEventListener listener = getSftpEventListenerProxy();
+ listener.writing(getServerSession(), handle, fh, offset, data, doff, length);
+ try {
+ if (fh.isOpenAppend()) {
+ fh.append(data, doff, length);
+ } else {
+ fh.write(data, doff, length, offset);
+ }
+ } catch (IOException | RuntimeException e) {
+ listener.written(getServerSession(), handle, fh, offset, data, doff, length, e);
+ throw e;
+ }
+ listener.written(getServerSession(), handle, fh, offset, data, doff, length, null);
+ }
+
+ @Override
+ protected int doRead(int id, String handle, long offset, int length, byte[] data, int doff) throws IOException {
+ Handle h = handles.get(handle);
+ if (log.isTraceEnabled()) {
+ log.trace("doRead({})[id={}] SSH_FXP_READ (handle={}[{}], offset={}, length={})",
+ getServerSession(), id, handle, h, offset, length);
+ }
+
+ ValidateUtils.checkTrue(length > 0L, "Invalid read length: %d", length);
+ FileHandle fh = validateHandle(handle, h, FileHandle.class);
+ SftpEventListener listener = getSftpEventListenerProxy();
+ ServerSession serverSession = getServerSession();
+ int readLen;
+ listener.reading(serverSession, handle, fh, offset, data, doff, length);
+ try {
+ readLen = fh.read(data, doff, length, offset);
+ } catch (IOException | RuntimeException e) {
+ listener.read(serverSession, handle, fh, offset, data, doff, length, -1, e);
+ throw e;
+ }
+ listener.read(serverSession, handle, fh, offset, data, doff, length, readLen, null);
+ return readLen;
+ }
+
+ @Override
+ protected void doClose(int id, String handle) throws IOException {
+ Handle h = handles.remove(handle);
+ if (log.isDebugEnabled()) {
+ log.debug("doClose({})[id={}] SSH_FXP_CLOSE (handle={}[{}])",
+ getServerSession(), id, handle, h);
+ }
+ validateHandle(handle, h, Handle.class).close();
+
+ SftpEventListener listener = getSftpEventListenerProxy();
+ listener.close(getServerSession(), handle, h);
+ }
+
+ @Override
+ protected String doOpen(int id, String path, int pflags, int access, Map<String, Object> attrs) throws IOException {
+ if (log.isDebugEnabled()) {
+ log.debug("doOpen({})[id={}] SSH_FXP_OPEN (path={}, access=0x{}, pflags=0x{}, attrs={})",
+ getServerSession(), id, path, Integer.toHexString(access), Integer.toHexString(pflags), attrs);
+ }
+ int curHandleCount = handles.size();
+ int maxHandleCount = getServerSession().getIntProperty(MAX_OPEN_HANDLES_PER_SESSION, DEFAULT_MAX_OPEN_HANDLES);
+ if (curHandleCount > maxHandleCount) {
+ throw new IllegalStateException("Too many open handles: current=" + curHandleCount + ", max.=" + maxHandleCount);
+ }
+
+ Path file = resolveFile(path);
+ String handle = generateFileHandle(file);
+ FileHandle fileHandle = new FileHandle(this, file, handle, pflags, access, attrs);
+ handles.put(handle, fileHandle);
+ return handle;
+ }
+
+ // we stringify our handles and treat them as such on decoding as well as it is easier to use as a map key
+ protected String generateFileHandle(Path file) {
+ // use several rounds in case the file handle size is relatively small so we might get conflicts
+ for (int index = 0; index < maxFileHandleRounds; index++) {
+ randomizer.fill(workBuf, 0, fileHandleSize);
+ String handle = BufferUtils.toHex(workBuf, 0, fileHandleSize, BufferUtils.EMPTY_HEX_SEPARATOR);
+ if (handles.containsKey(handle)) {
+ if (log.isTraceEnabled()) {
+ log.trace("generateFileHandle({})[{}] handle={} in use at round {}",
+ getServerSession(), file, handle, index);
+ }
+ continue;
+ }
+
+ if (log.isTraceEnabled()) {
+ log.trace("generateFileHandle({})[{}] {}", getServerSession(), file, handle);
+ }
+ return handle;
+ }
+
+ throw new IllegalStateException("Failed to generate a unique file handle for " + file);
+ }
+
+ protected void doInit(Buffer buffer, int id) throws IOException {
+ if (log.isDebugEnabled()) {
+ log.debug("doInit({})[id={}] SSH_FXP_INIT (version={})", getServerSession(), id, id);
+ }
+
+ String all = checkVersionCompatibility(buffer, id, id, SftpConstants.SSH_FX_OP_UNSUPPORTED);
+ if (GenericUtils.isEmpty(all)) { // i.e. validation failed
+ return;
+ }
+
+ version = id;
+ while (buffer.available() > 0) {
+ String name = buffer.getString();
+ byte[] data = buffer.getBytes();
+ extensions.put(name, data);
+ }
+
+ buffer.clear();
+
+ buffer.putByte((byte) SftpConstants.SSH_FXP_VERSION);
+ buffer.putInt(version);
+ appendExtensions(buffer, all);
+
+ SftpEventListener listener = getSftpEventListenerProxy();
+ listener.initialized(getServerSession(), version);
+
+ send(buffer);
+ }
+
+ @Override
+ protected void send(Buffer buffer) throws IOException {
+ int len = buffer.available();
+ BufferUtils.writeInt(out, len, workBuf, 0, workBuf.length);
+ out.write(buffer.array(), buffer.rpos(), len);
+ out.flush();
+ }
+
+ @Override
+ public void destroy() {
+ if (closed.getAndSet(true)) {
+ return; // ignore if already closed
+ }
+
+ ServerSession session = getServerSession();
+ boolean debugEnabled = log.isDebugEnabled();
+ if (debugEnabled) {
+ log.debug("destroy({}) - mark as closed", session);
+ }
+
+ try {
+ SftpEventListener listener = getSftpEventListenerProxy();
+ listener.destroying(session);
+ } catch (Exception e) {
+ log.warn("destroy({}) Failed ({}) to announce destruction event: {}",
+ session, e.getClass().getSimpleName(), e.getMessage());
+ if (debugEnabled) {
+ log.debug("destroy(" + session + ") destruction announcement failure details", e);
+ }
+ }
+
+ // if thread has not completed, cancel it
+ if ((pendingFuture != null) && (!pendingFuture.isDone())) {
+ boolean result = pendingFuture.cancel(true);
+ // TODO consider waiting some reasonable (?) amount of time for cancellation
+ if (debugEnabled) {
+ log.debug("destroy(" + session + ") - cancel pending future=" + result);
+ }
+ }
+
+ pendingFuture = null;
+
+ ExecutorService executors = getExecutorService();
+ if ((executors != null) && (!executors.isShutdown()) && isShutdownOnExit()) {
+ Collection<Runnable> runners = executors.shutdownNow();
+ if (debugEnabled) {
+ log.debug("destroy(" + session + ") - shutdown executor service - runners count=" + runners.size());
+ }
+ }
+ this.executorService = null;
+
+ try {
+ fileSystem.close();
+ } catch (UnsupportedOperationException e) {
+ if (debugEnabled) {
+ log.debug("destroy(" + session + ") closing the file system is not supported");
+ }
+ } catch (IOException e) {
+ if (debugEnabled) {
+ log.debug("destroy(" + session + ")"
+ + " failed (" + e.getClass().getSimpleName() + ")"
+ + " to close file system: " + e.getMessage(), e);
+ }
+ }
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemEnvironment.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemEnvironment.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemEnvironment.java
new file mode 100644
index 0000000..493a450
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemEnvironment.java
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.nio.file.Path;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.server.session.ServerSessionHolder;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public interface SftpSubsystemEnvironment extends ServerSessionHolder {
+ /**
+ * Force the use of a given sftp version
+ */
+ String SFTP_VERSION = "sftp-version";
+
+ int LOWER_SFTP_IMPL = SftpConstants.SFTP_V3; // Working implementation from v3
+
+ int HIGHER_SFTP_IMPL = SftpConstants.SFTP_V6; // .. up to and including
+
+ String ALL_SFTP_IMPL = IntStream.rangeClosed(LOWER_SFTP_IMPL, HIGHER_SFTP_IMPL)
+ .mapToObj(Integer::toString)
+ .collect(Collectors.joining(","));
+
+ /**
+ * @return The negotiated version
+ */
+ int getVersion();
+
+ /**
+ * @return The {@link SftpFileSystemAccessor} used to access effective
+ * server-side paths
+ */
+ SftpFileSystemAccessor getFileSystemAccessor();
+
+ /**
+ * @return The selected behavior in case some unsupported attributes are requested
+ */
+ UnsupportedAttributePolicy getUnsupportedAttributePolicy();
+
+ /**
+ * @return The default root directory used to resolve relative paths
+ * - a.k.a. the {@code chroot} location
+ */
+ Path getDefaultDirectory();
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactory.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactory.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactory.java
new file mode 100644
index 0000000..4e4aa77
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/SftpSubsystemFactory.java
@@ -0,0 +1,173 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.util.Objects;
+import java.util.concurrent.ExecutorService;
+
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.ObjectBuilder;
+import org.apache.sshd.common.util.threads.ExecutorServiceConfigurer;
+import org.apache.sshd.server.Command;
+import org.apache.sshd.server.subsystem.SubsystemFactory;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class SftpSubsystemFactory
+ extends AbstractSftpEventListenerManager
+ implements SubsystemFactory, ExecutorServiceConfigurer, SftpEventListenerManager, SftpFileSystemAccessorManager {
+ public static final String NAME = SftpConstants.SFTP_SUBSYSTEM_NAME;
+ public static final UnsupportedAttributePolicy DEFAULT_POLICY = UnsupportedAttributePolicy.Warn;
+
+ public static class Builder extends AbstractSftpEventListenerManager implements ObjectBuilder<SftpSubsystemFactory> {
+ private ExecutorService executors;
+ private boolean shutdownExecutor;
+ private UnsupportedAttributePolicy policy = DEFAULT_POLICY;
+ private SftpFileSystemAccessor fileSystemAccessor = SftpFileSystemAccessor.DEFAULT;
+ private SftpErrorStatusDataHandler errorStatusDataHandler = SftpErrorStatusDataHandler.DEFAULT;
+
+ public Builder() {
+ super();
+ }
+
+ public Builder withExecutorService(ExecutorService service) {
+ executors = service;
+ return this;
+ }
+
+ public Builder withShutdownOnExit(boolean shutdown) {
+ shutdownExecutor = shutdown;
+ return this;
+ }
+
+ public Builder withUnsupportedAttributePolicy(UnsupportedAttributePolicy p) {
+ policy = Objects.requireNonNull(p, "No policy");
+ return this;
+ }
+
+ public Builder withFileSystemAccessor(SftpFileSystemAccessor accessor) {
+ fileSystemAccessor = Objects.requireNonNull(accessor, "No accessor");
+ return this;
+ }
+
+ public Builder withSftpErrorStatusDataHandler(SftpErrorStatusDataHandler handler) {
+ errorStatusDataHandler = Objects.requireNonNull(handler, "No error status handler");
+ return this;
+ }
+
+ @Override
+ public SftpSubsystemFactory build() {
+ SftpSubsystemFactory factory = new SftpSubsystemFactory();
+ factory.setExecutorService(executors);
+ factory.setShutdownOnExit(shutdownExecutor);
+ factory.setUnsupportedAttributePolicy(policy);
+ factory.setFileSystemAccessor(fileSystemAccessor);
+ factory.setErrorStatusDataHandler(errorStatusDataHandler);
+ GenericUtils.forEach(getRegisteredListeners(), factory::addSftpEventListener);
+ return factory;
+ }
+ }
+
+ private ExecutorService executors;
+ private boolean shutdownExecutor;
+ private UnsupportedAttributePolicy policy = DEFAULT_POLICY;
+ private SftpFileSystemAccessor fileSystemAccessor = SftpFileSystemAccessor.DEFAULT;
+ private SftpErrorStatusDataHandler errorStatusDataHandler = SftpErrorStatusDataHandler.DEFAULT;
+
+ public SftpSubsystemFactory() {
+ super();
+ }
+
+ @Override
+ public String getName() {
+ return NAME;
+ }
+
+ @Override
+ public ExecutorService getExecutorService() {
+ return executors;
+ }
+
+ /**
+ * @param service The {@link ExecutorService} to be used by the {@link SftpSubsystem}
+ * command when starting execution. If {@code null} then a single-threaded ad-hoc service is used.
+ */
+ @Override
+ public void setExecutorService(ExecutorService service) {
+ executors = service;
+ }
+
+ @Override
+ public boolean isShutdownOnExit() {
+ return shutdownExecutor;
+ }
+
+ /**
+ * @param shutdownOnExit If {@code true} the {@link ExecutorService#shutdownNow()}
+ * will be called when subsystem terminates - unless it is the ad-hoc service, which
+ * will be shutdown regardless
+ */
+ @Override
+ public void setShutdownOnExit(boolean shutdownOnExit) {
+ shutdownExecutor = shutdownOnExit;
+ }
+
+ public UnsupportedAttributePolicy getUnsupportedAttributePolicy() {
+ return policy;
+ }
+
+ /**
+ * @param p The {@link UnsupportedAttributePolicy} to use if failed to access
+ * some local file attributes - never {@code null}
+ */
+ public void setUnsupportedAttributePolicy(UnsupportedAttributePolicy p) {
+ policy = Objects.requireNonNull(p, "No policy");
+ }
+
+ @Override
+ public SftpFileSystemAccessor getFileSystemAccessor() {
+ return fileSystemAccessor;
+ }
+
+ @Override
+ public void setFileSystemAccessor(SftpFileSystemAccessor accessor) {
+ fileSystemAccessor = Objects.requireNonNull(accessor, "No accessor");
+ }
+
+ public SftpErrorStatusDataHandler getErrorStatusDataHandler() {
+ return errorStatusDataHandler;
+ }
+
+ public void setErrorStatusDataHandler(SftpErrorStatusDataHandler handler) {
+ errorStatusDataHandler = Objects.requireNonNull(handler, "No error status data handler provided");
+ }
+
+ @Override
+ public Command create() {
+ SftpSubsystem subsystem =
+ new SftpSubsystem(getExecutorService(), isShutdownOnExit(),
+ getUnsupportedAttributePolicy(), getFileSystemAccessor(),
+ getErrorStatusDataHandler());
+ GenericUtils.forEach(getRegisteredListeners(), subsystem::addSftpEventListener);
+ return subsystem;
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/TreeLockExecutor.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/TreeLockExecutor.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/TreeLockExecutor.java
new file mode 100644
index 0000000..b0ed061
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/TreeLockExecutor.java
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.io.Closeable;
+import java.nio.file.Path;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Function;
+
+public class TreeLockExecutor implements Closeable {
+
+ private static final Runnable CLOSE = () -> { };
+
+ private final ExecutorService executor;
+ private final BlockingQueue<Runnable> queue = new LinkedBlockingQueue<>();
+ private final Future<?> future;
+ private final Function<String, Path> resolver;
+
+ public TreeLockExecutor(ExecutorService executor, Function<String, Path> resolver) {
+ this.executor = executor;
+ this.resolver = resolver;
+ this.future = executor.submit(this::run);
+ }
+
+ public void submit(Runnable work, String... paths) {
+ queue.add(work);
+ }
+
+ protected void run() {
+ while (true) {
+ try {
+ Runnable work = queue.take();
+ if (work == CLOSE) {
+ break;
+ }
+ work.run();
+ } catch (Throwable t) {
+ // ignore
+ }
+ }
+ }
+
+ @Override
+ public void close() {
+ queue.clear();
+ queue.add(CLOSE);
+ try {
+ future.get(5, TimeUnit.SECONDS);
+ } catch (Exception e) {
+ // Ignore
+ }
+ future.cancel(true);
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/UnixDateFormat.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/UnixDateFormat.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/UnixDateFormat.java
new file mode 100644
index 0000000..3ce474a
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/UnixDateFormat.java
@@ -0,0 +1,108 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.nio.file.attribute.FileTime;
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Collections;
+import java.util.GregorianCalendar;
+import java.util.List;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public final class UnixDateFormat {
+
+ /**
+ * A {@link List} of <U>short</U> months names where Jan=0, Feb=1, etc.
+ */
+ public static final List<String> MONTHS =
+ Collections.unmodifiableList(Arrays.asList(
+ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+ ));
+
+ /**
+ * Six months duration in msec.
+ */
+ public static final long SIX_MONTHS = 183L * 24L * 60L * 60L * 1000L;
+
+ private UnixDateFormat() {
+ throw new UnsupportedOperationException("No instance allowed");
+ }
+
+ /**
+ * Get unix style date string.
+ *
+ * @param time The {@link FileTime} to format - ignored if {@code null}
+ * @return The formatted date string
+ * @see #getUnixDate(long)
+ */
+ public static String getUnixDate(FileTime time) {
+ return getUnixDate((time != null) ? time.toMillis() : -1L);
+ }
+
+ public static String getUnixDate(long millis) {
+ if (millis < 0L) {
+ return "------------";
+ }
+
+ StringBuilder sb = new StringBuilder(16);
+ Calendar cal = new GregorianCalendar();
+ cal.setTimeInMillis(millis);
+
+ // month
+ sb.append(MONTHS.get(cal.get(Calendar.MONTH)));
+ sb.append(' ');
+
+ // day
+ int day = cal.get(Calendar.DATE);
+ if (day < 10) {
+ sb.append(' ');
+ }
+ sb.append(day);
+ sb.append(' ');
+
+ long nowTime = System.currentTimeMillis();
+ if (Math.abs(nowTime - millis) > SIX_MONTHS) {
+
+ // year
+ int year = cal.get(Calendar.YEAR);
+ sb.append(' ');
+ sb.append(year);
+ } else {
+ // hour
+ int hh = cal.get(Calendar.HOUR_OF_DAY);
+ if (hh < 10) {
+ sb.append('0');
+ }
+ sb.append(hh);
+ sb.append(':');
+
+ // minute
+ int mm = cal.get(Calendar.MINUTE);
+ if (mm < 10) {
+ sb.append('0');
+ }
+ sb.append(mm);
+ }
+
+ return sb.toString();
+ }
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/UnsupportedAttributePolicy.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/UnsupportedAttributePolicy.java b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/UnsupportedAttributePolicy.java
new file mode 100644
index 0000000..ca763e3
--- /dev/null
+++ b/sshd-sftp/src/main/java/org/apache/sshd/server/subsystem/sftp/UnsupportedAttributePolicy.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.server.subsystem.sftp;
+
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.Set;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public enum UnsupportedAttributePolicy {
+ Ignore,
+ Warn,
+ ThrowException;
+
+ public static final Set<UnsupportedAttributePolicy> VALUES =
+ Collections.unmodifiableSet(EnumSet.allOf(UnsupportedAttributePolicy.class));
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/ClientTest.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/ClientTest.java b/sshd-sftp/src/test/java/org/apache/sshd/client/ClientTest.java
new file mode 100644
index 0000000..594c756
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/ClientTest.java
@@ -0,0 +1,426 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sshd.client;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeMap;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.apache.sshd.client.channel.ChannelExec;
+import org.apache.sshd.client.channel.ChannelShell;
+import org.apache.sshd.client.channel.ChannelSubsystem;
+import org.apache.sshd.client.channel.ClientChannel;
+import org.apache.sshd.client.future.OpenFuture;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.client.subsystem.SubsystemClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClient;
+import org.apache.sshd.client.subsystem.sftp.SftpClientFactory;
+import org.apache.sshd.common.Factory;
+import org.apache.sshd.common.NamedResource;
+import org.apache.sshd.common.PropertyResolverUtils;
+import org.apache.sshd.common.RuntimeSshException;
+import org.apache.sshd.common.Service;
+import org.apache.sshd.common.channel.Channel;
+import org.apache.sshd.common.channel.ChannelListener;
+import org.apache.sshd.common.channel.ChannelListenerManager;
+import org.apache.sshd.common.session.Session;
+import org.apache.sshd.common.session.SessionListener;
+import org.apache.sshd.common.subsystem.sftp.SftpConstants;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.buffer.Buffer;
+import org.apache.sshd.common.util.net.SshdSocketAddress;
+import org.apache.sshd.server.Command;
+import org.apache.sshd.server.SshServer;
+import org.apache.sshd.server.channel.ChannelSession;
+import org.apache.sshd.server.channel.ChannelSessionFactory;
+import org.apache.sshd.server.forward.DirectTcpipFactory;
+import org.apache.sshd.server.session.ServerConnectionServiceFactory;
+import org.apache.sshd.server.session.ServerUserAuthService;
+import org.apache.sshd.server.session.ServerUserAuthServiceFactory;
+import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.EchoShell;
+import org.apache.sshd.util.test.EchoShellFactory;
+import org.apache.sshd.util.test.TestChannelListener;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+/**
+ * TODO Add javadoc
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class ClientTest extends BaseTestSupport {
+ private SshServer sshd;
+ private SshClient client;
+ private int port;
+ private CountDownLatch authLatch;
+ private CountDownLatch channelLatch;
+
+ private final AtomicReference<ClientSession> clientSessionHolder = new AtomicReference<>(null);
+ @SuppressWarnings("synthetic-access")
+ private final SessionListener clientSessionListener = new SessionListener() {
+ @Override
+ public void sessionCreated(Session session) {
+ assertObjectInstanceOf("Non client session creation notification", ClientSession.class, session);
+ assertNull("Multiple creation notifications", clientSessionHolder.getAndSet((ClientSession) session));
+ }
+
+ @Override
+ public void sessionEvent(Session session, Event event) {
+ assertObjectInstanceOf("Non client session event notification: " + event, ClientSession.class, session);
+ assertSame("Mismatched client session event instance: " + event, clientSessionHolder.get(), session);
+ }
+
+ @Override
+ public void sessionException(Session session, Throwable t) {
+ assertObjectInstanceOf("Non client session exception notification", ClientSession.class, session);
+ assertNotNull("No session exception data", t);
+ }
+
+ @Override
+ public void sessionClosed(Session session) {
+ assertObjectInstanceOf("Non client session closure notification", ClientSession.class, session);
+ assertSame("Mismatched client session closure instance", clientSessionHolder.getAndSet(null), session);
+ }
+ };
+
+ public ClientTest() {
+ super();
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ authLatch = new CountDownLatch(0);
+ channelLatch = new CountDownLatch(0);
+
+ sshd = setupTestServer();
+ sshd.setShellFactory(new TestEchoShellFactory());
+ sshd.setServiceFactories(Arrays.asList(
+ new ServerUserAuthServiceFactory() {
+ @Override
+ public Service create(Session session) throws IOException {
+ return new ServerUserAuthService(session) {
+ @SuppressWarnings("synthetic-access")
+ @Override
+ public void process(int cmd, Buffer buffer) throws Exception {
+ authLatch.await();
+ super.process(cmd, buffer);
+ }
+ };
+ }
+ },
+ ServerConnectionServiceFactory.INSTANCE
+ ));
+ sshd.setChannelFactories(Arrays.asList(
+ new ChannelSessionFactory() {
+ @Override
+ public Channel create() {
+ return new ChannelSession() {
+ @SuppressWarnings("synthetic-access")
+ @Override
+ public OpenFuture open(int recipient, long rwsize, long rmpsize, Buffer buffer) {
+ try {
+ channelLatch.await();
+ } catch (InterruptedException e) {
+ throw new RuntimeSshException(e);
+ }
+ return super.open(recipient, rwsize, rmpsize, buffer);
+ }
+
+ @Override
+ public String toString() {
+ return "ChannelSession" + "[id=" + getId() + ", recipient=" + getRecipient() + "]";
+ }
+ };
+ }
+ },
+ DirectTcpipFactory.INSTANCE));
+ sshd.start();
+ port = sshd.getPort();
+
+ client = setupTestClient();
+ clientSessionHolder.set(null); // just making sure
+ client.addSessionListener(clientSessionListener);
+ }
+
+ @After
+ public void tearDown() throws Exception {
+ if (sshd != null) {
+ sshd.stop(true);
+ }
+ if (client != null) {
+ client.stop();
+ }
+ clientSessionHolder.set(null); // just making sure
+ }
+
+ @Test
+ public void testSimpleClientListener() throws Exception {
+ AtomicReference<Channel> channelHolder = new AtomicReference<>(null);
+ client.addChannelListener(new ChannelListener() {
+ @Override
+ public void channelOpenSuccess(Channel channel) {
+ assertSame("Mismatched opened channel instances", channel, channelHolder.get());
+ }
+
+ @Override
+ public void channelOpenFailure(Channel channel, Throwable reason) {
+ assertSame("Mismatched failed open channel instances", channel, channelHolder.get());
+ }
+
+ @Override
+ public void channelInitialized(Channel channel) {
+ assertNull("Multiple channel initialization notifications", channelHolder.getAndSet(channel));
+ }
+
+ @Override
+ public void channelStateChanged(Channel channel, String hint) {
+ outputDebugMessage("channelStateChanged(%s): %s", channel, hint);
+ }
+
+ @Override
+ public void channelClosed(Channel channel, Throwable reason) {
+ assertSame("Mismatched closed channel instances", channel, channelHolder.getAndSet(null));
+ }
+ });
+ sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
+
+ client.start();
+
+ try (ClientSession session = createTestClientSession()) {
+ testClientListener(channelHolder, ChannelShell.class, () -> {
+ try {
+ return session.createShellChannel();
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ });
+ testClientListener(channelHolder, ChannelExec.class, () -> {
+ try {
+ return session.createExecChannel(getCurrentTestName());
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ });
+ testClientListener(channelHolder, SftpClient.class, () -> {
+ try {
+ return SftpClientFactory.instance().createSftpClient(session);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ });
+ } finally {
+ client.stop();
+ }
+ }
+
+ private <C extends Closeable> void testClientListener(AtomicReference<Channel> channelHolder, Class<C> channelType, Factory<? extends C> factory) throws Exception {
+ assertNull(channelType.getSimpleName() + ": Unexpected currently active channel", channelHolder.get());
+
+ try (C instance = factory.create()) {
+ Channel expectedChannel;
+ if (instance instanceof Channel) {
+ expectedChannel = (Channel) instance;
+ } else if (instance instanceof SubsystemClient) {
+ expectedChannel = ((SubsystemClient) instance).getClientChannel();
+ } else {
+ throw new UnsupportedOperationException("Unknown test instance type" + instance.getClass().getSimpleName());
+ }
+
+ Channel actualChannel = channelHolder.get();
+ assertSame("Mismatched listener " + channelType.getSimpleName() + " instances", expectedChannel, actualChannel);
+ }
+
+ assertNull(channelType.getSimpleName() + ": Active channel closure not signalled", channelHolder.get());
+ }
+
+ @Test
+ public void testCreateChannelByType() throws Exception {
+ client.start();
+
+ Collection<ClientChannel> channels = new LinkedList<>();
+ try (ClientSession session = createTestClientSession()) {
+ // required since we do not use an SFTP subsystem
+ PropertyResolverUtils.updateProperty(session, ChannelSubsystem.REQUEST_SUBSYSTEM_REPLY, false);
+ channels.add(session.createChannel(Channel.CHANNEL_SUBSYSTEM, SftpConstants.SFTP_SUBSYSTEM_NAME));
+ channels.add(session.createChannel(Channel.CHANNEL_EXEC, getCurrentTestName()));
+ channels.add(session.createChannel(Channel.CHANNEL_SHELL, getClass().getSimpleName()));
+
+ Set<Integer> ids = new HashSet<>(channels.size());
+ for (ClientChannel c : channels) {
+ int id = c.getId();
+ assertTrue("Channel ID repeated: " + id, ids.add(id));
+ }
+ } finally {
+ for (Closeable c : channels) {
+ try {
+ c.close();
+ } catch (IOException e) {
+ // ignored
+ }
+ }
+ client.stop();
+ }
+
+ assertNull("Session closure not signalled", clientSessionHolder.get());
+ }
+
+ /**
+ * Makes sure that the {@link ChannelListener}s added to the client, session
+ * and channel are <U>cumulative</U> - i.e., all of them invoked
+ * @throws Exception If failed
+ */
+ @Test
+ public void testChannelListenersPropagation() throws Exception {
+ Map<String, TestChannelListener> clientListeners = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+ addChannelListener(clientListeners, client, new TestChannelListener(client.getClass().getSimpleName()));
+
+ // required since we do not use an SFTP subsystem
+ PropertyResolverUtils.updateProperty(client, ChannelSubsystem.REQUEST_SUBSYSTEM_REPLY, false);
+ client.start();
+ try (ClientSession session = createTestClientSession()) {
+ addChannelListener(clientListeners, session, new TestChannelListener(session.getClass().getSimpleName()));
+ assertListenerSizes("ClientSessionOpen", clientListeners, 0, 0);
+
+ try (ClientChannel channel = session.createSubsystemChannel(SftpConstants.SFTP_SUBSYSTEM_NAME)) {
+ channel.open().verify(5L, TimeUnit.SECONDS);
+
+ TestChannelListener channelListener = new TestChannelListener(channel.getClass().getSimpleName());
+ // need to emulate them since we are adding the listener AFTER the channel is open
+ channelListener.channelInitialized(channel);
+ channelListener.channelOpenSuccess(channel);
+ channel.addChannelListener(channelListener);
+ assertListenerSizes("ClientChannelOpen", clientListeners, 1, 1);
+ }
+
+ assertListenerSizes("ClientChannelClose", clientListeners, 0, 1);
+ } finally {
+ client.stop();
+ }
+
+ assertListenerSizes("ClientStop", clientListeners, 0, 1);
+ }
+
+ private static void assertListenerSizes(String phase, Map<String, ? extends TestChannelListener> listeners, int activeSize, int openSize) {
+ assertListenerSizes(phase, listeners.values(), activeSize, openSize);
+ }
+
+ private static void assertListenerSizes(String phase, Collection<? extends TestChannelListener> listeners, int activeSize, int openSize) {
+ if (GenericUtils.isEmpty(listeners)) {
+ return;
+ }
+
+ for (TestChannelListener l : listeners) {
+ if (activeSize >= 0) {
+ assertEquals(phase + ": mismatched active channels size for " + l.getName() + " listener", activeSize, GenericUtils.size(l.getActiveChannels()));
+ }
+
+ if (openSize >= 0) {
+ assertEquals(phase + ": mismatched open channels size for " + l.getName() + " listener", openSize, GenericUtils.size(l.getOpenChannels()));
+ }
+
+ assertEquals(phase + ": unexpected failed channels size for " + l.getName() + " listener", 0, GenericUtils.size(l.getFailedChannels()));
+ }
+ }
+
+ private static <L extends ChannelListener & NamedResource> void addChannelListener(Map<String, L> listeners, ChannelListenerManager manager, L listener) {
+ String name = listener.getName();
+ assertNull("Duplicate listener named " + name, listeners.put(name, listener));
+ manager.addChannelListener(listener);
+ }
+
+ private ClientSession createTestClientSession() throws IOException {
+ ClientSession session = createTestClientSession(TEST_LOCALHOST);
+ try {
+ InetSocketAddress addr = SshdSocketAddress.toInetSocketAddress(session.getConnectAddress());
+ assertEquals("Mismatched connect host", TEST_LOCALHOST, addr.getHostString());
+
+ ClientSession returnValue = session;
+ session = null; // avoid 'finally' close
+ return returnValue;
+ } finally {
+ if (session != null) {
+ session.close();
+ }
+ }
+ }
+
+ private ClientSession createTestClientSession(String host) throws IOException {
+ ClientSession session = client.connect(getCurrentTestName(), host, port).verify(7L, TimeUnit.SECONDS).getSession();
+ try {
+ assertNotNull("Client session creation not signalled", clientSessionHolder.get());
+ session.addPasswordIdentity(getCurrentTestName());
+ session.auth().verify(5L, TimeUnit.SECONDS);
+
+ InetSocketAddress addr = SshdSocketAddress.toInetSocketAddress(session.getConnectAddress());
+ assertNotNull("No reported connect address", addr);
+ assertEquals("Mismatched connect port", port, addr.getPort());
+
+ ClientSession returnValue = session;
+ session = null; // avoid 'finally' close
+ return returnValue;
+ } finally {
+ if (session != null) {
+ session.close();
+ }
+ }
+ }
+
+ public static class TestEchoShellFactory extends EchoShellFactory {
+ @Override
+ public Command create() {
+ return new TestEchoShell();
+ }
+ }
+
+ public static class TestEchoShell extends EchoShell {
+ // CHECKSTYLE:OFF
+ public static CountDownLatch latch;
+ // CHECKSTYLE:ON
+
+ public TestEchoShell() {
+ super();
+ }
+
+ @Override
+ public void destroy() {
+ if (latch != null) {
+ latch.countDown();
+ }
+ super.destroy();
+ }
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/251db9b9/sshd-sftp/src/test/java/org/apache/sshd/client/simple/BaseSimpleClientTestSupport.java
----------------------------------------------------------------------
diff --git a/sshd-sftp/src/test/java/org/apache/sshd/client/simple/BaseSimpleClientTestSupport.java b/sshd-sftp/src/test/java/org/apache/sshd/client/simple/BaseSimpleClientTestSupport.java
new file mode 100644
index 0000000..60b9403
--- /dev/null
+++ b/sshd-sftp/src/test/java/org/apache/sshd/client/simple/BaseSimpleClientTestSupport.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sshd.client.simple;
+
+import java.util.concurrent.TimeUnit;
+
+import org.apache.sshd.client.SshClient;
+import org.apache.sshd.server.SshServer;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.junit.After;
+import org.junit.Before;
+
+/**
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public abstract class BaseSimpleClientTestSupport extends BaseTestSupport {
+ public static final long CONNECT_TIMEOUT = TimeUnit.SECONDS.toMillis(5L);
+ public static final long AUTH_TIMEOUT = TimeUnit.SECONDS.toMillis(7L);
+
+ protected SshServer sshd;
+ protected SshClient client;
+ protected int port;
+ protected SimpleClient simple;
+
+ protected BaseSimpleClientTestSupport() {
+ super();
+ }
+
+ @Before
+ public void setUp() throws Exception {
+ sshd = setupTestServer();
+ sshd.start();
+ port = sshd.getPort();
+ client = setupTestClient();
+
+ simple = SshClient.wrapAsSimpleClient(client);
+ simple.setConnectTimeout(CONNECT_TIMEOUT);
+ simple.setAuthenticationTimeout(AUTH_TIMEOUT);
+ }
+
+ @After
+ public void tearDown() throws Exception {
+ if (sshd != null) {
+ sshd.stop(true);
+ }
+ if (simple != null) {
+ simple.close();
+ }
+ if (client != null) {
+ client.stop();
+ }
+ }
+}