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Posted to commits@directory.apache.org by ka...@apache.org on 2010/11/12 20:04:29 UTC
svn commit: r1034521 - in /directory/apacheds/trunk/kerberos-codec/src:
main/java/org/apache/directory/shared/kerberos/codec/checksum/
main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/
test/java/org/apache/directory/shared/kerberos...
Author: kayyagari
Date: Fri Nov 12 19:04:29 2010
New Revision: 1034521
URL: http://svn.apache.org/viewvc?rev=1034521&view=rev
Log:
o implementation of Checksum codec and test cases
Added:
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumContainer.java
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumGrammar.java
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumStatesEnum.java
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumCksumType.java
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumInit.java
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumValue.java
directory/apacheds/trunk/kerberos-codec/src/test/java/org/apache/directory/shared/kerberos/codec/ChecksumDecoderTest.java
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumContainer.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumContainer.java?rev=1034521&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumContainer.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumContainer.java Fri Nov 12 19:04:29 2010
@@ -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.directory.shared.kerberos.codec.checksum;
+
+import org.apache.directory.shared.asn1.ber.AbstractContainer;
+import org.apache.directory.shared.kerberos.components.Checksum;
+
+
+/**
+ * The Checksum container stores the Checksum decoded by the Asn1Decoder.
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class ChecksumContainer extends AbstractContainer
+{
+ /** holds Checksum */
+ private Checksum checksum;
+
+ /**
+ * Creates a new ChecksumContainer object.
+ */
+ public ChecksumContainer()
+ {
+ super();
+ this.stateStack = new int[1];
+ this.grammar = ChecksumGrammar.getInstance();
+ setTransition( ChecksumStatesEnum.START_STATE );
+ }
+
+
+ /**
+ * @return Returns the Checksum.
+ */
+ public Checksum getChecksum()
+ {
+ return checksum;
+ }
+
+
+ /**
+ * Set a Checksum Object into the container
+ *
+ * @param checksum The Checksum to set.
+ */
+ public void setChecksum( Checksum checksum )
+ {
+ this.checksum = checksum;
+ }
+}
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumGrammar.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumGrammar.java?rev=1034521&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumGrammar.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumGrammar.java Fri Nov 12 19:04:29 2010
@@ -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.directory.shared.kerberos.codec.checksum;
+
+
+import org.apache.directory.shared.asn1.ber.grammar.AbstractGrammar;
+import org.apache.directory.shared.asn1.ber.grammar.Grammar;
+import org.apache.directory.shared.asn1.ber.grammar.GrammarTransition;
+import org.apache.directory.shared.asn1.ber.tlv.UniversalTag;
+import org.apache.directory.shared.kerberos.KerberosConstants;
+import org.apache.directory.shared.kerberos.codec.actions.CheckNotNullLength;
+import org.apache.directory.shared.kerberos.codec.checksum.actions.ChecksumCksumType;
+import org.apache.directory.shared.kerberos.codec.checksum.actions.ChecksumInit;
+import org.apache.directory.shared.kerberos.codec.checksum.actions.ChecksumValue;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * This class implements the Checksum structure. All the actions are declared
+ * in this class. As it is a singleton, these declaration are only done once. If
+ * an action is to be added or modified, this is where the work is to be done !
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public final class ChecksumGrammar extends AbstractGrammar
+{
+ /** The logger */
+ static final Logger LOG = LoggerFactory.getLogger( ChecksumGrammar.class );
+
+ /** A speedup for logger */
+ static final boolean IS_DEBUG = LOG.isDebugEnabled();
+
+ /** The instance of grammar. ChecksumGrammar is a singleton */
+ private static Grammar instance = new ChecksumGrammar();
+
+
+ /**
+ * Creates a new ChecksumGrammar object.
+ */
+ private ChecksumGrammar()
+ {
+ setName( ChecksumGrammar.class.getName() );
+
+ // Create the transitions table
+ super.transitions = new GrammarTransition[ChecksumStatesEnum.LAST_CHECKSUM_STATE.ordinal()][256];
+
+ // ============================================================================================
+ // Checksum
+ // ============================================================================================
+ // --------------------------------------------------------------------------------------------
+ // Transition from Checksum init to Checksum SEQ OF
+ // --------------------------------------------------------------------------------------------
+ // Checksum ::= SEQUENCE OF
+ super.transitions[ChecksumStatesEnum.START_STATE.ordinal()][UniversalTag.SEQUENCE.getValue()] = new GrammarTransition(
+ ChecksumStatesEnum.START_STATE, ChecksumStatesEnum.CHECKSUM_SEQ_STATE, UniversalTag.SEQUENCE.getValue(),
+ new ChecksumInit() );
+
+ // --------------------------------------------------------------------------------------------
+ // Transition from Checksum SEQ to checksumtype
+ // --------------------------------------------------------------------------------------------
+ // Checksum ::= SEQUENCE {
+ // cksumtype [0]
+ super.transitions[ChecksumStatesEnum.CHECKSUM_SEQ_STATE.ordinal()][KerberosConstants.CHECKSUM_TYPE_TAG] = new GrammarTransition(
+ ChecksumStatesEnum.CHECKSUM_SEQ_STATE, ChecksumStatesEnum.CHECKSUM_TYPE_TAG_STATE, KerberosConstants.CHECKSUM_TYPE_TAG,
+ new CheckNotNullLength() );
+
+ // --------------------------------------------------------------------------------------------
+ // Transition from checksumtype tag to checksumtype
+ // --------------------------------------------------------------------------------------------
+ // Checksum ::= SEQUENCE {
+ // cksumtype [0] Int32
+ super.transitions[ChecksumStatesEnum.CHECKSUM_TYPE_TAG_STATE.ordinal()][UniversalTag.INTEGER.getValue()] = new GrammarTransition(
+ ChecksumStatesEnum.CHECKSUM_TYPE_TAG_STATE, ChecksumStatesEnum.CHECKSUM_TYPE_STATE, UniversalTag.INTEGER.getValue(),
+ new ChecksumCksumType() );
+
+ // --------------------------------------------------------------------------------------------
+ // Transition from checksumtype to checksum tag
+ // --------------------------------------------------------------------------------------------
+ // Checksum ::= SEQUENCE {
+ // checksum [1]
+ super.transitions[ChecksumStatesEnum.CHECKSUM_TYPE_STATE.ordinal()][KerberosConstants.CHECKSUM_CHECKSUM_TAG] = new GrammarTransition(
+ ChecksumStatesEnum.CHECKSUM_TYPE_STATE, ChecksumStatesEnum.CHECKSUM_CHECKSUM_TAG_STATE, KerberosConstants.CHECKSUM_CHECKSUM_TAG,
+ new CheckNotNullLength() );
+
+ // --------------------------------------------------------------------------------------------
+ // Transition from checksum tag to checksum value
+ // --------------------------------------------------------------------------------------------
+ // Checksum ::= SEQUENCE {
+ // checksum [1] OCTET STRING
+ super.transitions[ChecksumStatesEnum.CHECKSUM_CHECKSUM_TAG_STATE.ordinal()][UniversalTag.OCTET_STRING.getValue()] = new GrammarTransition(
+ ChecksumStatesEnum.CHECKSUM_CHECKSUM_TAG_STATE, ChecksumStatesEnum.CHECKSUM_CHECKSUM_STATE, UniversalTag.OCTET_STRING.getValue(),
+ new ChecksumValue() );
+ }
+
+
+ // ~ Methods
+ // ------------------------------------------------------------------------------------
+
+ /**
+ * Get the instance of this grammar
+ *
+ * @return An instance on the AuthorizationData Grammar
+ */
+ public static Grammar getInstance()
+ {
+ return instance;
+ }
+}
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumStatesEnum.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumStatesEnum.java?rev=1034521&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumStatesEnum.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/ChecksumStatesEnum.java Fri Nov 12 19:04:29 2010
@@ -0,0 +1,112 @@
+/*
+ * 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.codec.checksum;
+
+
+import org.apache.directory.shared.asn1.ber.grammar.Grammar;
+import org.apache.directory.shared.asn1.ber.grammar.States;
+import org.apache.directory.shared.kerberos.codec.KerberosMessageGrammar;
+
+
+/**
+ * This class store the Checksum grammar's constants. It is also used for debugging
+ * purpose
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public enum ChecksumStatesEnum implements States
+{
+ // Start
+ START_STATE, // 0
+
+ CHECKSUM_SEQ_STATE, // 1
+
+ CHECKSUM_TYPE_TAG_STATE, // 2
+
+ CHECKSUM_TYPE_STATE, // 3
+
+ CHECKSUM_CHECKSUM_TAG_STATE, // 4
+
+ CHECKSUM_CHECKSUM_STATE, // 5
+
+ // End
+ LAST_CHECKSUM_STATE; // 6
+
+
+ /**
+ * Get the grammar name
+ *
+ * @param grammar The grammar code
+ * @return The grammar name
+ */
+ public String getGrammarName( int grammar )
+ {
+ return "CHECKSUM_GRAMMAR";
+ }
+
+
+ /**
+ * Get the grammar name
+ *
+ * @param grammar The grammar class
+ * @return The grammar name
+ */
+ public String getGrammarName( Grammar grammar )
+ {
+ if ( grammar instanceof KerberosMessageGrammar )
+ {
+ return "CHECKSUM_GRAMMAR";
+ }
+ else
+ {
+ return "UNKNOWN GRAMMAR";
+ }
+ }
+
+
+ /**
+ * Get the string representing the state
+ *
+ * @param state The state number
+ * @return The String representing the state
+ */
+ public String getState( int state )
+ {
+ return ( ( state == LAST_CHECKSUM_STATE.ordinal() ) ? "LAST_CHECKSUM_STATE" : name() );
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ public boolean isEndState()
+ {
+ return this == LAST_CHECKSUM_STATE;
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ public ChecksumStatesEnum getStartState()
+ {
+ return START_STATE;
+ }
+}
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumCksumType.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumCksumType.java?rev=1034521&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumCksumType.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumCksumType.java Fri Nov 12 19:04:29 2010
@@ -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.directory.shared.kerberos.codec.checksum.actions;
+
+
+import org.apache.directory.shared.asn1.ber.Asn1Container;
+import org.apache.directory.shared.asn1.ber.grammar.GrammarAction;
+import org.apache.directory.shared.asn1.ber.tlv.TLV;
+import org.apache.directory.shared.asn1.ber.tlv.Value;
+import org.apache.directory.shared.asn1.codec.DecoderException;
+import org.apache.directory.shared.asn1.util.IntegerDecoder;
+import org.apache.directory.shared.asn1.util.IntegerDecoderException;
+import org.apache.directory.shared.i18n.I18n;
+import org.apache.directory.shared.kerberos.codec.checksum.ChecksumContainer;
+import org.apache.directory.shared.kerberos.components.Checksum;
+import org.apache.directory.shared.kerberos.crypto.checksum.ChecksumType;
+import org.apache.directory.shared.ldap.util.StringTools;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * Sets the Checksum's type.
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class ChecksumCksumType extends GrammarAction
+{
+ /** The logger */
+ private static final Logger LOG = LoggerFactory.getLogger( ChecksumInit.class );
+
+ /** Speedup for logs */
+ private static final boolean IS_DEBUG = LOG.isDebugEnabled();
+
+ /**
+ * Creates a new instance of ChecksumReadType.
+ */
+ public ChecksumCksumType()
+ {
+ super( "Checksum cksumtype" );
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ public void action( Asn1Container container ) throws DecoderException
+ {
+ ChecksumContainer checksumContainer = ( ChecksumContainer ) container;
+
+ TLV tlv = checksumContainer.getCurrentTLV();
+
+ // The Length should not be null
+ if ( tlv.getLength() == 0 )
+ {
+ LOG.error( I18n.err( I18n.ERR_04066 ) );
+
+ // This will generate a PROTOCOL_ERROR
+ throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
+ }
+
+ Checksum checksum = checksumContainer.getChecksum();
+ // The Checksum's type is an integer
+ Value value = tlv.getValue();
+
+ try
+ {
+ int cksumType = IntegerDecoder.parse( value );
+
+ checksum.setChecksumType( ChecksumType.getTypeByValue( cksumType ) );
+
+ if ( IS_DEBUG )
+ {
+ LOG.debug( "cksumType : " + cksumType );
+ }
+ }
+ catch ( IntegerDecoderException ide )
+ {
+ LOG.error( I18n.err( I18n.ERR_04070, StringTools.dumpBytes( value.getData() ), ide
+ .getLocalizedMessage() ) );
+
+ // This will generate a PROTOCOL_ERROR
+ throw new DecoderException( ide.getMessage() );
+ }
+
+ }
+
+}
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumInit.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumInit.java?rev=1034521&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumInit.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumInit.java Fri Nov 12 19:04:29 2010
@@ -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.directory.shared.kerberos.codec.checksum.actions;
+
+
+import org.apache.directory.shared.asn1.ber.Asn1Container;
+import org.apache.directory.shared.asn1.ber.grammar.GrammarAction;
+import org.apache.directory.shared.asn1.ber.tlv.TLV;
+import org.apache.directory.shared.asn1.codec.DecoderException;
+import org.apache.directory.shared.i18n.I18n;
+import org.apache.directory.shared.kerberos.codec.checksum.ChecksumContainer;
+import org.apache.directory.shared.kerberos.components.Checksum;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * The action used to initialize the Checksum object
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class ChecksumInit extends GrammarAction
+{
+ /** The logger */
+ private static final Logger LOG = LoggerFactory.getLogger( ChecksumInit.class );
+
+ /** Speedup for logs */
+ private static final boolean IS_DEBUG = LOG.isDebugEnabled();
+
+
+ /**
+ * Instantiates a new ChecksumInit action.
+ */
+ public ChecksumInit()
+ {
+ super( "Creates a Checksum instance" );
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ public void action( Asn1Container container ) throws DecoderException
+ {
+ ChecksumContainer checksumContainer = ( ChecksumContainer ) container;
+
+ TLV tlv = checksumContainer.getCurrentTLV();
+
+ // The Length should not be null
+ if ( tlv.getLength() == 0 )
+ {
+ LOG.error( I18n.err( I18n.ERR_04066 ) );
+
+ // This will generate a PROTOCOL_ERROR
+ throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
+ }
+
+ Checksum checksum = new Checksum();
+ checksumContainer.setChecksum( checksum );
+
+ if ( IS_DEBUG )
+ {
+ LOG.debug( "Checksum created" );
+ }
+ }
+}
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumValue.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumValue.java?rev=1034521&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumValue.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/checksum/actions/ChecksumValue.java Fri Nov 12 19:04:29 2010
@@ -0,0 +1,98 @@
+/*
+ * 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.codec.checksum.actions;
+
+
+import org.apache.directory.shared.asn1.ber.Asn1Container;
+import org.apache.directory.shared.asn1.ber.grammar.GrammarAction;
+import org.apache.directory.shared.asn1.ber.tlv.TLV;
+import org.apache.directory.shared.asn1.ber.tlv.Value;
+import org.apache.directory.shared.asn1.codec.DecoderException;
+import org.apache.directory.shared.i18n.I18n;
+import org.apache.directory.shared.kerberos.codec.checksum.ChecksumContainer;
+import org.apache.directory.shared.kerberos.components.Checksum;
+import org.apache.directory.shared.ldap.util.StringTools;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * The action used to store the Checksum's 'checksum' value
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class ChecksumValue extends GrammarAction
+{
+ /** The logger */
+ private static final Logger LOG = LoggerFactory.getLogger( ChecksumValue.class );
+
+ /** Speedup for logs */
+ private static final boolean IS_DEBUG = LOG.isDebugEnabled();
+
+
+ /**
+ * Instantiates a new ChecksumData action.
+ */
+ public ChecksumValue()
+ {
+ super( "Checksum's 'checksum' value" );
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ public void action( Asn1Container container ) throws DecoderException
+ {
+ ChecksumContainer checksumContainer = ( ChecksumContainer ) container;
+
+ TLV tlv = checksumContainer.getCurrentTLV();
+
+ // The Length should not be null
+ if ( tlv.getLength() == 0 )
+ {
+ LOG.error( I18n.err( I18n.ERR_04066 ) );
+
+ // This will generate a PROTOCOL_ERROR
+ throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
+ }
+
+ Value value = tlv.getValue();
+
+ // The encrypted data should not be null
+ if ( value.getData() == null )
+ {
+ LOG.error( I18n.err( I18n.ERR_04066 ) );
+
+ // This will generate a PROTOCOL_ERROR
+ throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
+ }
+
+ Checksum checksum = checksumContainer.getChecksum();
+ checksum.setChecksumValue( value.getData() );
+
+ if ( IS_DEBUG )
+ {
+ LOG.debug( "checksum value : {}", StringTools.dumpBytes( value.getData() ) );
+ }
+
+ checksumContainer.setGrammarEndAllowed( true );
+ }
+}
Added: directory/apacheds/trunk/kerberos-codec/src/test/java/org/apache/directory/shared/kerberos/codec/ChecksumDecoderTest.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/test/java/org/apache/directory/shared/kerberos/codec/ChecksumDecoderTest.java?rev=1034521&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/test/java/org/apache/directory/shared/kerberos/codec/ChecksumDecoderTest.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/test/java/org/apache/directory/shared/kerberos/codec/ChecksumDecoderTest.java Fri Nov 12 19:04:29 2010
@@ -0,0 +1,167 @@
+/*
+ * 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.codec;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+
+import org.apache.directory.shared.asn1.ber.Asn1Decoder;
+import org.apache.directory.shared.asn1.codec.DecoderException;
+import org.apache.directory.shared.asn1.codec.EncoderException;
+import org.apache.directory.shared.kerberos.codec.checksum.ChecksumContainer;
+import org.apache.directory.shared.kerberos.components.Checksum;
+import org.apache.directory.shared.kerberos.crypto.checksum.ChecksumType;
+import org.apache.directory.shared.ldap.util.StringTools;
+import org.junit.Test;
+
+/**
+ * Test cases for Checksum codec.
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class ChecksumDecoderTest
+{
+ @Test
+ public void testDecodeChecksum()
+ {
+ Asn1Decoder krbDecoder = new Asn1Decoder();
+
+ ByteBuffer stream = ByteBuffer.allocate( 0x11 );
+
+ stream.put( new byte[]
+ {
+ 0x30, 0x0F,
+ (byte)0xA0, 0x03, // cksumtype
+ 0x02, 0x01, 0x02,
+ (byte)0xA1, 0x08, // checksum
+ 0x04, 0x06, 'c', 'h', 'k', 's', 'u', 'm'
+ } );
+
+ String decodedPdu = StringTools.dumpBytes( stream.array() );
+ stream.flip();
+
+ ChecksumContainer chkContainer = new ChecksumContainer();
+
+ try
+ {
+ krbDecoder.decode( stream, chkContainer );
+ }
+ catch ( DecoderException de )
+ {
+ fail( de.getMessage() );
+ }
+
+ Checksum checksum = chkContainer.getChecksum();
+
+ assertEquals( ChecksumType.getTypeByValue( 2 ), checksum.getChecksumType() );
+ assertTrue( Arrays.equals( StringTools.getBytesUtf8( "chksum" ), checksum.getChecksumValue() ) );
+
+ ByteBuffer bb = ByteBuffer.allocate( checksum.computeLength() );
+
+ try
+ {
+ bb = checksum.encode( bb );
+
+ // Check the length
+ assertEquals( 0x11, bb.limit() );
+
+ String encodedPdu = StringTools.dumpBytes( bb.array() );
+
+ assertEquals( encodedPdu, decodedPdu );
+ }
+ catch ( EncoderException ee )
+ {
+ fail();
+ }
+ }
+
+
+ @Test( expected = DecoderException.class )
+ public void testDecodeChecksumWithoutType() throws DecoderException
+ {
+ Asn1Decoder krbDecoder = new Asn1Decoder();
+
+ ByteBuffer stream = ByteBuffer.allocate( 0xC );
+
+ stream.put( new byte[]
+ {
+ 0x30, 0xA,
+ (byte)0xA1, 0x08, // checksum
+ 0x04, 0x06, 'c', 'h', 'k', 's', 'u', 'm'
+ } );
+
+ stream.flip();
+
+ ChecksumContainer chkContainer = new ChecksumContainer();
+
+ krbDecoder.decode( stream, chkContainer );
+ fail();
+ }
+
+
+ @Test( expected = DecoderException.class )
+ public void testDecodeChecksumWithoutChecksumValue() throws DecoderException
+ {
+ Asn1Decoder krbDecoder = new Asn1Decoder();
+
+ ByteBuffer stream = ByteBuffer.allocate( 0x07 );
+
+ stream.put( new byte[]
+ {
+ 0x30, 0x05,
+ (byte)0xA0, 0x03, // cksumtype
+ 0x02, 0x01, 0x02
+ } );
+
+ stream.flip();
+
+ ChecksumContainer chkContainer = new ChecksumContainer();
+
+ krbDecoder.decode( stream, chkContainer );
+ fail();
+ }
+
+
+ @Test( expected = DecoderException.class )
+ public void testDecodeChecksumWithEmptySeq() throws DecoderException
+ {
+ Asn1Decoder krbDecoder = new Asn1Decoder();
+
+ ByteBuffer stream = ByteBuffer.allocate( 2 );
+
+ stream.put( new byte[]
+ {
+ 0x30, 0x0
+ } );
+
+ stream.flip();
+
+ ChecksumContainer chkContainer = new ChecksumContainer();
+
+ krbDecoder.decode( stream, chkContainer );
+ fail();
+ }
+
+}