You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@directory.apache.org by ka...@apache.org on 2010/11/27 10:18:42 UTC
svn commit: r1039628 - in
/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos:
KerberosConstants.java components/TypedData.java
Author: kayyagari
Date: Sat Nov 27 09:18:20 2010
New Revision: 1039628
URL: http://svn.apache.org/viewvc?rev=1039628&view=rev
Log:
o TypedData ASN.1 seq and associated tags
Added:
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/TypedData.java
Modified:
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosConstants.java
Modified: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosConstants.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosConstants.java?rev=1039628&r1=1039627&r2=1039628&view=diff
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosConstants.java (original)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosConstants.java Sat Nov 27 09:18:20 2010
@@ -284,4 +284,8 @@ public class KerberosConstants
/** TransitedEncoding tags */
public static final int TRANSITED_ENCODING_TR_TYPE_TAG = 0xA0;
public static final int TRANSITED_ENCODING_CONTENTS_TAG = 0xA1;
+
+ /** TypedData tags */
+ public static final int TYPED_DATA_TDTYPE_TAG = 0xA0;
+ public static final int TYPED_DATA_TDDATA_TAG = 0xA1;
}
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/TypedData.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/TypedData.java?rev=1039628&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/TypedData.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/TypedData.java Sat Nov 27 09:18:20 2010
@@ -0,0 +1,295 @@
+/*
+ * 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.directory.shared.kerberos.components;
+
+
+import java.nio.BufferOverflowException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.directory.server.i18n.I18n;
+import org.apache.directory.shared.asn1.AbstractAsn1Object;
+import org.apache.directory.shared.asn1.ber.tlv.TLV;
+import org.apache.directory.shared.asn1.ber.tlv.UniversalTag;
+import org.apache.directory.shared.asn1.ber.tlv.Value;
+import org.apache.directory.shared.asn1.codec.EncoderException;
+import org.apache.directory.shared.kerberos.KerberosConstants;
+import org.apache.directory.shared.ldap.util.StringTools;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * TYPED-DATA ::= SEQUENCE SIZE (1..MAX) OF SEQUENCE {
+ * data-type [0] Int32,
+ * data-value [1] OCTET STRING OPTIONAL
+ * }
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class TypedData extends AbstractAsn1Object
+{
+
+ // The inner class storing the individual TDs
+ public class TD
+ {
+ /** the type of TypedData */
+ private int tdType;
+
+ /** the TypedData data */
+ private byte[] tdData;
+
+
+ /**
+ * @return the TD type
+ */
+ public int getTdType()
+ {
+ return tdType;
+ }
+
+
+ /**
+ * @return the TD data
+ */
+ public byte[] getTdData()
+ {
+ return tdData;
+ }
+ }
+
+ /** The list of TypedData elements */
+ private List<TD> typedDataList = new ArrayList<TD>();
+
+ /** The current TD being processed */
+ private TD currentTD;
+
+ /** The logger */
+ private static final Logger LOG = LoggerFactory.getLogger( TypedData.class );
+
+ /** Speedup for logs */
+ private static final boolean IS_DEBUG = LOG.isDebugEnabled();
+
+ // Storage for computed lengths
+ private transient int tdTypeTagLen[];
+ private transient int tdDataTagLen[];
+ private transient int typedDataSeqLen[];
+ private transient int typedDataSeqSeqLen;
+
+
+ /**
+ * Compute the TypedData length
+ * <pre>
+ * 0x30 L1 TypedData sequence
+ * |
+ * +-- 0x30 L2 The TD sequence
+ * |
+ * +--> 0xA0 L3 tdType tag
+ * | |
+ * | +--> 0x02 L3-2 tdType (int)
+ * |
+ * +--> [0xA1 L4 tdData tag
+ * |
+ * +--> 0x04 L4-2 tdData (OCTET STRING)]
+ * </pre>
+ */
+ @Override
+ public int computeLength()
+ {
+ int i = 0;
+ typedDataSeqLen = new int[typedDataList.size()];
+ tdTypeTagLen = new int[typedDataList.size()];
+ tdDataTagLen = new int[typedDataList.size()];
+
+ for ( TD td : typedDataList )
+ {
+ int adTypeLen = Value.getNbBytes( td.tdType );
+ tdTypeTagLen[i] = 1 + TLV.getNbBytes( adTypeLen ) + adTypeLen;
+ typedDataSeqLen[i] = 1 + TLV.getNbBytes( tdTypeTagLen[i] ) + tdTypeTagLen[i];
+
+ if ( td.tdData != null )
+ {
+ tdDataTagLen[i] = 1 + TLV.getNbBytes( td.tdData.length ) + td.tdData.length;
+ typedDataSeqLen[i] += 1 + TLV.getNbBytes( tdDataTagLen[i] ) + tdDataTagLen[i];
+ }
+
+ typedDataSeqSeqLen += 1 + TLV.getNbBytes( typedDataSeqLen[i] ) + typedDataSeqLen[i];
+ i++;
+ }
+
+ return 1 + TLV.getNbBytes( typedDataSeqSeqLen ) + typedDataSeqSeqLen;
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public ByteBuffer encode( ByteBuffer buffer ) throws EncoderException
+ {
+ if ( buffer == null )
+ {
+ throw new EncoderException( I18n.err( I18n.ERR_148 ) );
+ }
+
+ try
+ {
+ // The AuthorizationData SEQ OF Tag
+ buffer.put( UniversalTag.SEQUENCE.getValue() );
+ buffer.put( TLV.getBytes( typedDataSeqSeqLen ) );
+
+ int i = 0;
+ for ( TD td : typedDataList )
+ {
+ buffer.put( UniversalTag.SEQUENCE.getValue() );
+ buffer.put( TLV.getBytes( typedDataSeqLen[i] ) );
+
+ // the tdType
+ buffer.put( ( byte ) KerberosConstants.TYPED_DATA_TDTYPE_TAG );
+ buffer.put( TLV.getBytes( tdTypeTagLen[i] ) );
+ Value.encode( buffer, td.tdType );
+
+ if ( td.tdData != null )
+ {
+ // the tdData
+ buffer.put( ( byte ) KerberosConstants.TYPED_DATA_TDDATA_TAG );
+ buffer.put( TLV.getBytes( tdDataTagLen[i] ) );
+ Value.encode( buffer, td.tdData );
+ }
+
+ i++;
+ }
+ }
+ catch ( BufferOverflowException boe )
+ {
+ LOG.error( I18n.err( I18n.ERR_743_CANNOT_ENCODE_TYPED_DATA, 1 + TLV.getNbBytes( typedDataSeqSeqLen )
+ + typedDataSeqSeqLen, buffer.capacity() ) );
+ throw new EncoderException( I18n.err( I18n.ERR_138 ) );
+ }
+
+ if ( IS_DEBUG )
+ {
+ LOG.debug( "TypedData encoding : {}", StringTools.dumpBytes( buffer.array() ) );
+ LOG.debug( "TypedData initial value : {}", toString() );
+ }
+
+ return buffer;
+ }
+
+
+ /**
+ * @return the currentTD type
+ */
+ public int getCurrentTdType()
+ {
+ return currentTD.tdType;
+ }
+
+
+ /**
+ * Set the current TD type
+ */
+ public void setCurrentTdType( int tdType )
+ {
+ currentTD.tdType = tdType;
+ }
+
+
+ /**
+ * @return the currentTD data
+ */
+ public byte[] getCurrentTdData()
+ {
+ return currentTD.tdData;
+ }
+
+
+ /**
+ * Set the current TD data
+ */
+ public void setCurrentTdData( byte[] tdData )
+ {
+ currentTD.tdData = tdData;
+ }
+
+
+ /**
+ * @return the currentTD
+ */
+ public TD getCurrentTD()
+ {
+ return currentTD;
+ }
+
+
+ /**
+ * Create a new currentTD
+ */
+ public void createNewTD()
+ {
+ currentTD = new TD();
+ typedDataList.add( currentTD );
+ }
+
+
+ /**
+ * @return the TypedData
+ */
+ public List<TD> getTypedData()
+ {
+ return typedDataList;
+ }
+
+
+ /**
+ * @see Object#toString()
+ */
+ public String toString()
+ {
+ return toString( "" );
+ }
+
+
+ /**
+ * @see Object#toString()
+ */
+ public String toString( String tabs )
+ {
+ StringBuilder sb = new StringBuilder();
+
+ sb.append( tabs ).append( "TypedData : \n" );
+
+ for ( TD td : typedDataList )
+ {
+ sb.append( tabs ).append( " {\n" );
+ sb.append( tabs ).append( " tdType: " ).append( td.tdType ).append( '\n' );
+ if ( td.tdData != null )
+ {
+ sb.append( tabs ).append( " tdData: " ).append( StringTools.dumpBytes( td.tdData ) ).append( '\n' );
+ }
+ sb.append( tabs ).append( " }\n" );
+ }
+
+ return sb.toString();
+ }
+
+}