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Posted to commits@directory.apache.org by el...@apache.org on 2010/11/26 22:56:01 UTC

svn commit: r1039573 - in /directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos: KerberosConstants.java components/AdKdcIssued.java

Author: elecharny
Date: Fri Nov 26 21:56:01 2010
New Revision: 1039573

URL: http://svn.apache.org/viewvc?rev=1039573&view=rev
Log:
Added the AD-KDCIssued class and tags

Added:
    directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/AdKdcIssued.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=1039573&r1=1039572&r2=1039573&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 Fri Nov 26 21:56:01 2010
@@ -142,6 +142,12 @@ public class KerberosConstants
     public static final int AD_AND_OR_CONDITION_COUNT_TAG = 0xA0;
     public static final int AD_AND_OR_ELEMENTS_TAG = 0xA1;
     
+    /** AD-KDCIssued */
+    public static final int AD_KDC_ISSUED_AD_CHECKSUM_TAG = 0xA0;
+    public static final int AD_KDC_ISSUED_I_REALM_TAG = 0xA1;
+    public static final int AD_KDC_ISSUED_I_SNAME_TAG = 0xA2;
+    public static final int AD_KDC_ISSUED_ELEMENTS_TAG = 0xA3;
+    
     /** AuthorizationData tags */
     public static final int AUTHORIZATION_DATA_ADTYPE_TAG = 0xA0;
     public static final int AUTHORIZATION_DATA_ADDATA_TAG = 0xA1;

Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/AdKdcIssued.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/AdKdcIssued.java?rev=1039573&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/AdKdcIssued.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/components/AdKdcIssued.java Fri Nov 26 21:56:01 2010
@@ -0,0 +1,314 @@
+/*
+ *  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 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.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;
+
+/**
+ * The AdKdcIssued structure is used to store a AD-KDCIssued associated to a type.
+ * 
+ * The ASN.1 grammar is :
+ * <pre>
+ * AD-KDCIssued            ::= SEQUENCE {
+ *         ad-checksum     [0] Checksum,
+ *         i-realm         [1] Realm OPTIONAL,
+ *         i-sname         [2] PrincipalName OPTIONAL,
+ *         elements        [3] AuthorizationData
+ * }
+ * </pre>
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class AdKdcIssued extends AbstractAsn1Object
+{
+    /** The logger */
+    private static final Logger LOG = LoggerFactory.getLogger( AdKdcIssued.class );
+
+    /** Speedup for logs */
+    private static final boolean IS_DEBUG = LOG.isDebugEnabled();
+
+    /** The checksum */
+    private Checksum adChecksum;
+    
+    /** The realm */
+    private String irealm;
+    
+    /** The PrincipalName */
+    private PrincipalName isname;
+    
+    /** The AuthorizationData */
+    private AuthorizationData elements;
+    
+
+    // Storage for computed lengths
+    private transient int adCheksumTagLength;
+    private transient int irealmTagLength;
+    private transient byte[] irealmBytes;
+    private transient int isnameTagLength;
+    private transient int elementsTagLength;
+    private transient int adKdcIssuedSeqLength;
+
+    /**
+     * Creates a new instance of AdKdcIssued
+     */
+    public AdKdcIssued()
+    {
+    }
+
+
+    /**
+     * @return the elements
+     */
+    public AuthorizationData getElements()
+    {
+        return elements;
+    }
+
+    
+    /**
+     * @param elements the elements to set
+     */
+    public void setElements( AuthorizationData elements )
+    {
+        this.elements = elements;
+    }
+    
+    
+
+
+    /**
+     * @return the adChecksum
+     */
+    public Checksum getAdChecksum()
+    {
+        return adChecksum;
+    }
+
+
+    /**
+     * @param adChecksum the adChecksum to set
+     */
+    public void setAdChecksum( Checksum adChecksum )
+    {
+        this.adChecksum = adChecksum;
+    }
+
+
+    /**
+     * @return the irealm
+     */
+    public String getIrealm()
+    {
+        return irealm;
+    }
+
+
+    /**
+     * @param irealm the irealm to set
+     */
+    public void setIrealm( String irealm )
+    {
+        this.irealm = irealm;
+    }
+
+
+    /**
+     * @return the isname
+     */
+    public PrincipalName getIsname()
+    {
+        return isname;
+    }
+
+
+    /**
+     * @param isname the isname to set
+     */
+    public void setIsname( PrincipalName isname )
+    {
+        this.isname = isname;
+    }
+
+    
+    /**
+     * Compute the AD-KDCIssued length
+     * <pre>
+     * 0x30 L1 AD-KDCIssued sequence
+     *  |
+     *  +--> 0xA1 L2 ad-checksum tag
+     *  |     |
+     *  |     +--> 0x30 L2-1 ad-checksum value ( Checksum )
+     *  |
+     *  +--> 0xA2 L3 i-realm tag
+     *  |     |
+     *  |     +--> 0x1B L3-1 i-realm value ( KerberosString )
+     *  |
+     *  +--> 0xA3 L4 i-sname tag
+     *  |     |
+     *  |     +--> 0x30 L4-1 i-sname value ( PrincipalName )
+     *  |
+     *  +--> 0xA4 L5 elements tag
+     *        |
+     *        +--> 0x30 L5-1 elements (AuthorizationData)
+     * </pre>
+     */
+    @Override
+    public int computeLength()
+    {
+        // Compute the ad-cheksum count length
+        adCheksumTagLength = adChecksum.computeLength();
+        adKdcIssuedSeqLength = 1 + TLV.getNbBytes( adCheksumTagLength ) + adCheksumTagLength; 
+
+        // Compute the i-realm length, if any
+        if ( irealm != null )
+        {
+            irealmBytes = irealm.getBytes();
+            irealmTagLength = 1 + TLV.getNbBytes( irealmBytes.length ) + irealmBytes.length; 
+            adKdcIssuedSeqLength += 1 + TLV.getNbBytes( irealmTagLength ) + irealmTagLength; 
+        }
+
+        // Compute the i-sname length, if any
+        if ( isname != null )
+        {
+            isnameTagLength = isname.computeLength();
+            adKdcIssuedSeqLength += 1 + TLV.getNbBytes( isnameTagLength ) + isnameTagLength; 
+        }
+
+        // Compute the elements count length
+        elementsTagLength = elements.computeLength();
+        adKdcIssuedSeqLength += 1 + TLV.getNbBytes( elementsTagLength ) + elementsTagLength; 
+
+        // Compute the whole sequence length
+        return 1 + TLV.getNbBytes( adKdcIssuedSeqLength ) + adKdcIssuedSeqLength;
+    }
+
+
+    /**
+     * Encode the AD-KDCIssued message to a PDU.
+     * 
+     * @param buffer The buffer where to put the PDU. It should have been allocated
+     * before, with the right size.
+     * @return The constructed PDU.
+     */
+    @Override
+    public ByteBuffer encode( ByteBuffer buffer ) throws EncoderException
+    {
+        if ( buffer == null )
+        {
+            throw new EncoderException( I18n.err( I18n.ERR_148 ) );
+        }
+
+        try
+        {
+            // The AD-KDCIssued SEQ Tag
+            buffer.put( UniversalTag.SEQUENCE.getValue() );
+            buffer.put( TLV.getBytes( adKdcIssuedSeqLength ) );
+            
+            // the ad-checksum
+            buffer.put( ( byte ) KerberosConstants.AD_KDC_ISSUED_AD_CHECKSUM_TAG );
+            buffer.put( (byte)adCheksumTagLength );
+            adChecksum.encode( buffer );
+
+            // the i-realm, if any
+            if ( irealm != null )
+            {
+                buffer.put( ( byte ) KerberosConstants.AD_KDC_ISSUED_I_REALM_TAG );
+                buffer.put( (byte)irealmTagLength );
+                buffer.put( UniversalTag.GENERAL_STRING.getValue() );
+                buffer.put( (byte)irealmBytes.length );
+                buffer.put( irealmBytes );
+            }
+
+            // the i-sname, if any
+            if ( isname != null )
+            {
+                buffer.put( ( byte ) KerberosConstants.AD_KDC_ISSUED_I_SNAME_TAG );
+                buffer.put( (byte)isnameTagLength );
+                isname.encode( buffer );
+            }
+
+            // the elements
+            buffer.put( ( byte ) KerberosConstants.AD_AND_OR_ELEMENTS_TAG );
+            buffer.put( (byte)elementsTagLength );
+            elements.encode( buffer );
+        }
+        catch ( BufferOverflowException boe )
+        {
+            LOG.error( I18n.err( I18n.ERR_139, 1 + TLV.getNbBytes( adKdcIssuedSeqLength )
+                + adKdcIssuedSeqLength, buffer.capacity() ) );
+            throw new EncoderException( I18n.err( I18n.ERR_138 ) );
+        }
+
+        if ( IS_DEBUG )
+        {
+            LOG.debug( "AD-KDCIssued encoding : {}", StringTools.dumpBytes( buffer.array() ) );
+            LOG.debug( "AD-KDCIssued initial value : {}", toString() );
+        }
+
+        return buffer;
+    }
+
+
+    /**
+     * @see Object#toString()
+     */
+    public String toString()
+    {
+        return toString( "" );
+    }
+
+
+    /**
+     * @see Object#toString()
+     */
+    public String toString( String tabs )
+    {
+        StringBuilder sb = new StringBuilder();
+
+        sb.append( tabs ).append( "AD-KDCIssued : {\n" );
+        sb.append( tabs ).append( "    ad-cheksum: " ).append( adChecksum.toString( tabs + "    " ) ).append( '\n' );
+        
+        if ( irealm != null )
+        {
+            sb.append( tabs ).append( "    i-realm: " ).append( irealm ).append( '\n' );
+        }
+        
+        
+        if ( isname != null )
+        {
+            sb.append( tabs ).append( "    i-sname: " ).append( isname.toString() ).append( '\n' );
+        }
+        
+        sb.append( tabs + "    elements:" ).append( elements.toString( tabs + "    " ) ).append( '\n' );
+        sb.append( tabs + "}\n" );
+
+        return sb.toString();
+    }
+}