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Posted to commits@mina.apache.org by gn...@apache.org on 2017/03/28 11:31:10 UTC

[3/3] mina-sshd git commit: [SSHD-734] When ClientSessionImpl construction fails, AbstractSessionIoHandler#exceptionCaught may throw NPE

[SSHD-734] When ClientSessionImpl construction fails, AbstractSessionIoHandler#exceptionCaught may throw NPE

Project: http://git-wip-us.apache.org/repos/asf/mina-sshd/repo
Commit: http://git-wip-us.apache.org/repos/asf/mina-sshd/commit/a1cb02b4
Tree: http://git-wip-us.apache.org/repos/asf/mina-sshd/tree/a1cb02b4
Diff: http://git-wip-us.apache.org/repos/asf/mina-sshd/diff/a1cb02b4

Branch: refs/heads/master
Commit: a1cb02b41355c176693ead60c0bce80eb858eb5b
Parents: 6ecd949
Author: Guillaume Nodet <gn...@apache.org>
Authored: Tue Mar 28 11:16:25 2017 +0200
Committer: Guillaume Nodet <gn...@apache.org>
Committed: Tue Mar 28 11:59:28 2017 +0200

----------------------------------------------------------------------
 .../common/session/helpers/AbstractSession.java |  2 +
 .../helpers/AbstractSessionIoHandler.java       |  3 +-
 .../apache/sshd/client/ClientDeadlockTest.java  | 86 ++++++++++++++++++++
 3 files changed, 89 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/a1cb02b4/sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSession.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSession.java b/sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSession.java
index 18c84bc..49ce76b 100644
--- a/sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSession.java
+++ b/sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSession.java
@@ -255,6 +255,8 @@ public abstract class AbstractSession extends AbstractKexFactoryManager implemen
         this.ioSession = ioSession;
         this.decoderBuffer = new SessionWorkBuffer(this);
 
+        attachSession(ioSession, this);
+
         Factory<Random> factory = ValidateUtils.checkNotNull(factoryManager.getRandomFactory(), "No random factory for %s", ioSession);
         random = ValidateUtils.checkNotNull(factory.create(), "No randomizer instance for %s", ioSession);
 

http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/a1cb02b4/sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSessionIoHandler.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSessionIoHandler.java b/sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSessionIoHandler.java
index 34f4465..1610030 100644
--- a/sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSessionIoHandler.java
+++ b/sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSessionIoHandler.java
@@ -37,9 +37,8 @@ public abstract class AbstractSessionIoHandler extends AbstractLoggingBean imple
 
     @Override
     public void sessionCreated(IoSession ioSession) throws Exception {
-        AbstractSession session = ValidateUtils.checkNotNull(
+        ValidateUtils.checkNotNull(
                 createSession(ioSession), "No session created for %s", ioSession);
-        AbstractSession.attachSession(ioSession, session);
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/mina-sshd/blob/a1cb02b4/sshd-core/src/test/java/org/apache/sshd/client/ClientDeadlockTest.java
----------------------------------------------------------------------
diff --git a/sshd-core/src/test/java/org/apache/sshd/client/ClientDeadlockTest.java b/sshd-core/src/test/java/org/apache/sshd/client/ClientDeadlockTest.java
new file mode 100644
index 0000000..bff2420
--- /dev/null
+++ b/sshd-core/src/test/java/org/apache/sshd/client/ClientDeadlockTest.java
@@ -0,0 +1,86 @@
+/*
+ * 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.IOException;
+import java.util.EnumSet;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.sshd.client.future.ConnectFuture;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.common.io.IoSession;
+import org.apache.sshd.server.SshServer;
+import org.apache.sshd.server.session.ServerSessionImpl;
+import org.apache.sshd.server.session.SessionFactory;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * TODO Add javadoc
+ *
+ * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
+ */
+public class ClientDeadlockTest extends BaseTestSupport {
+
+    private SshServer sshd;
+    private SshClient client;
+    private int port;
+
+    public ClientDeadlockTest() {
+        super();
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        sshd = setupTestServer();
+        sshd.setSessionFactory(new SessionFactory(sshd) {
+            @Override
+            protected ServerSessionImpl doCreateSession(IoSession ioSession) throws Exception {
+                throw new IOException("Closing");
+            }
+        });
+        sshd.start();
+        port = sshd.getPort();
+
+        client = setupTestClient();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        if (sshd != null) {
+            sshd.stop(true);
+        }
+        if (client != null) {
+            client.stop();
+        }
+    }
+
+    @Test
+    public void testSimpleClient() throws Exception {
+        client.start();
+
+        ConnectFuture future = client.connect(getCurrentTestName(), TEST_LOCALHOST, port);
+        ClientSession session = future.verify(5, TimeUnit.SECONDS).getSession();
+        session.waitFor(EnumSet.of(ClientSession.ClientSessionEvent.CLOSED), TimeUnit.SECONDS.toMillis(3L));
+        assertTrue(session.isClosed());
+    }
+
+}