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Posted to commits@directory.apache.org by el...@apache.org on 2010/11/14 18:35:58 UTC
svn commit: r1035025 - in
/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos:
KerberosConstants.java KerberosMessageType.java components/KdcReq.java
Author: elecharny
Date: Sun Nov 14 17:35:58 2010
New Revision: 1035025
URL: http://svn.apache.org/viewvc?rev=1035025&view=rev
Log:
o Added the KDC-REQ component
o Fixed some few other minor things.
Added:
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/KdcReq.java
Modified:
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosConstants.java
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosMessageType.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=1035025&r1=1035024&r2=1035025&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 Sun Nov 14 17:35:58 2010
@@ -78,4 +78,10 @@ public class KerberosConstants
public static final int KDC_REQ_BODY_ADDRESSES_TAG = 0xA9;
public static final int KDC_REQ_BODY_ENC_AUTHZ_DATA_TAG = 0xAA;
public static final int KDC_REQ_BODY_ADDITIONAL_TICKETS_TAG = 0xAB;
+
+ /** KRB-REQ's tags */
+ public static final int KDC_REQ_PVNO_TAG = 0xA1;
+ public static final int KDC_REQ_MSG_TYPE_TAG = 0xA2;
+ public static final int KDC_REQ_PA_DATA_TAG = 0xA3;
+ public static final int KDC_REQ_KDC_REQ_BODY_TAG = 0xA4;
}
Modified: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosMessageType.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosMessageType.java?rev=1035025&r1=1035024&r2=1035025&view=diff
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosMessageType.java (original)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/KerberosMessageType.java Sun Nov 14 17:35:58 2010
@@ -74,7 +74,7 @@ public enum KerberosMessageType
*
* @return The int value of this element
*/
- public int getOrdinal()
+ public int getValue()
{
return value;
}
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/KdcReq.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/KdcReq.java?rev=1035025&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/KdcReq.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/KdcReq.java Sun Nov 14 17:35:58 2010
@@ -0,0 +1,307 @@
+/*
+ * 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.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.directory.server.i18n.I18n;
+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.kerberos.KerberosMessageType;
+
+
+
+/**
+ * The KDC-REQ data structure. It will store the object described by the ASN.1 grammar :
+ * <pre>
+ * KDC-REQ ::= SEQUENCE {
+ * -- NOTE: first tag is [1], not [0]
+ * pvno [1] INTEGER (5) ,
+ * msg-type [2] INTEGER (10 -- AS -- | 12 -- TGS --),
+ * padata [3] SEQUENCE OF <PA-DATA> OPTIONAL
+ -- NOTE: not empty --,
+ * req-body [4] <KDC-REQ-BODY>
+ * }
+ * </pre>
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class KdcReq
+{
+ /** The PVNO field */
+ private int pvno;
+
+ /** The message type, either it's a AS-REQ or a TGS-REQ */
+ private KerberosMessageType msgType;
+
+ /** The PA-DATAs */
+ private List<PaData> paData;
+
+ /** The KDC-REQ-BODYl */
+ private KdcReqBody kdcReqBody;
+
+ // Storage for computed lengths
+ private transient int pvnoLength;
+ private transient int msgTypeLength;
+ private transient int paDataLength;
+ private transient int paDataSeqLength;
+ private transient int[] paDataLengths;
+ private transient int kdcReqBodyLength;
+ private transient int kdcReqSeqLength;
+ private transient int kdcReqLength;
+
+ /**
+ * Creates a new instance of KDC-REQ.
+ */
+ public KdcReq()
+ {
+ paData = new ArrayList<PaData>();
+ }
+
+
+ /**
+ * @return the pvno
+ */
+ public int getPvno()
+ {
+ return pvno;
+ }
+
+
+ /**
+ * @param pvno the pvno to set
+ */
+ public void setPvno( int pvno )
+ {
+ this.pvno = pvno;
+ }
+
+
+ /**
+ * @return the msgType
+ */
+ public KerberosMessageType getMsgType()
+ {
+ return msgType;
+ }
+
+
+ /**
+ * @param msgType the msgType to set
+ */
+ public void setMsgType( KerberosMessageType msgType )
+ {
+ this.msgType = msgType;
+ }
+
+
+ /**
+ * @return the paData
+ */
+ public List<PaData> getPaData()
+ {
+ return paData;
+ }
+
+
+ /**
+ * @param paData the paData to set
+ */
+ public void addPaData( PaData paData )
+ {
+ this.paData.add( paData );
+ }
+
+
+ /**
+ * @return the kdcReqBody
+ */
+ public KdcReqBody getKdcReqBody()
+ {
+ return kdcReqBody;
+ }
+
+
+ /**
+ * @param kdcReqBody the kdcReqBody to set
+ */
+ public void setKdcReqBody( KdcReqBody kdcReqBody )
+ {
+ this.kdcReqBody = kdcReqBody;
+ }
+
+
+ /**
+ * Compute the KDC-REQ length
+ *
+ * KDC-REQ :
+ *
+ * 0x30 L1 KDC-REQ sequence
+ * |
+ * +--> 0xA1 0x03 pvno tag
+ * | |
+ * | +--> 0x02 0x01 0x05 pvno (5)
+ * |
+ * +--> 0xA2 0x03 msg-type tag
+ * | |
+ * | +--> 0x02 0x01 0x0A/0x0C msg-type : either AS-REQ (0x0A) or TGS-REQ (0x0C)
+ * |
+ * +--> 0xA3 L2 pa-data tag
+ * | |
+ * | +--> 0x30 L2-1 pa-data
+ * |
+ * +--> 0xA4 L3 req-body tag
+ * | |
+ * | +--> 0x30 L3-1 req-body (KDC-REQ-BODY)
+ *
+ */
+ public int computeLength()
+ {
+ // The pvno length
+ pvnoLength = 1 + 1 + 1;
+
+ // The msg-type length
+ msgTypeLength = 1 + 1 + 1;
+
+ // Compute the pa-data length.
+ paDataLengths = new int[paData.size()];
+ int pos = 0;
+
+ for ( PaData paDataElem : paData )
+ {
+ paDataLengths[pos] = paDataElem.computeLength();
+ paDataSeqLength += paDataLengths[pos];
+ pos++;
+ }
+
+ paDataLength = 1 + TLV.getNbBytes( paDataSeqLength ) + paDataSeqLength;
+
+ // The KDC-REQ-BODY length
+ kdcReqBodyLength = kdcReqBody.computeLength();
+
+ // Compute the sequence size.
+ kdcReqSeqLength = 1 + TLV.getNbBytes( pvnoLength ) + pvnoLength;
+ kdcReqSeqLength = 1 + TLV.getNbBytes( msgTypeLength ) + msgTypeLength;
+ kdcReqSeqLength = 1 + TLV.getNbBytes( paDataLength ) + paDataLength;
+ kdcReqSeqLength = 1 + TLV.getNbBytes( kdcReqBodyLength ) + kdcReqBodyLength;
+
+ // compute the global size
+ kdcReqLength = 1 + TLV.getNbBytes( kdcReqSeqLength ) + kdcReqSeqLength;
+
+ return kdcReqLength;
+ }
+
+
+ /**
+ * Encode the KDC-REQ component
+ *
+ * @param buffer The buffer containing the encoded result
+ * @return The encoded component
+ * @throws EncoderException If the encoding failed
+ */
+ public ByteBuffer encode( ByteBuffer buffer ) throws EncoderException
+ {
+ if ( buffer == null )
+ {
+ throw new EncoderException( I18n.err( I18n.ERR_148 ) );
+ }
+
+ // The KDC-REQ SEQ Tag
+ buffer.put( UniversalTag.SEQUENCE.getValue() );
+ buffer.put( TLV.getBytes( kdcReqSeqLength ) );
+
+ // The PVNO -----------------------------------------------------------
+ // The tag
+ buffer.put( (byte)KerberosConstants.KDC_REQ_PVNO_TAG );
+ buffer.put( TLV.getBytes( pvnoLength ) );
+
+ // The value
+ Value.encode( buffer, pvno );
+
+ // The msg-type if any ------------------------------------------------
+ // The tag
+ buffer.put( (byte)KerberosConstants.KDC_REQ_MSG_TYPE_TAG );
+ buffer.put( TLV.getBytes( msgTypeLength ) );
+
+ // The value
+ Value.encode( buffer, msgType.getValue() );
+
+ // The PD-DATA --------------------------------------------------------
+ // The tag
+ buffer.put( (byte)KerberosConstants.KDC_REQ_PA_DATA_TAG );
+ buffer.put( TLV.getBytes( paDataLength ) );
+
+ // The sequence
+ buffer.put( UniversalTag.SEQUENCE.getValue() );
+ buffer.put( TLV.getBytes( paDataSeqLength ) );
+
+ // The values
+ for ( PaData paDataElem : paData )
+ {
+ paDataElem.encode( buffer );
+ }
+
+ // The KDC-REQ-BODY ---------------------------------------------------
+ // The tag
+ buffer.put( (byte)KerberosConstants.KDC_REQ_KDC_REQ_BODY_TAG );
+ buffer.put( TLV.getBytes( kdcReqBodyLength ) );
+
+ // The value
+ kdcReqBody.encode( buffer );
+
+ return buffer;
+ }
+
+
+ /**
+ * @see Object#toString()
+ */
+ public String toString()
+ {
+ StringBuilder sb = new StringBuilder();
+
+ sb.append( "pvno : " ).append( pvno ).append( '\n' );
+
+ sb.append( "msg-type : " );
+
+ if ( msgType == KerberosMessageType.AS_REQ )
+ {
+ sb.append( "AS-REQ" ).append( '\n' );
+ }
+ else
+ {
+ sb.append( "TGS-REQ" ).append( '\n' );
+ }
+
+ for ( PaData paDataElem : paData )
+ {
+ sb.append( "padata : " ).append( paDataElem ).append( '\n' );
+ }
+
+ sb.append( "kdc-req-body" ).append( kdcReqBody ).append( '\n' );
+
+ return sb.toString();
+ }
+}