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Posted to commits@directory.apache.org by el...@apache.org on 2010/11/16 14:29:21 UTC
svn commit: r1035632 - in
/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq:
./ AsReqContainer.java AsReqGrammar.java AsReqStatesEnum.java actions/
actions/StoreKdcReq.java
Author: elecharny
Date: Tue Nov 16 13:29:21 2010
New Revision: 1035632
URL: http://svn.apache.org/viewvc?rev=1035632&view=rev
Log:
Added the AS-REQ message decoder
Added:
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqContainer.java
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqGrammar.java
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqStatesEnum.java
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/actions/
directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/actions/StoreKdcReq.java
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqContainer.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqContainer.java?rev=1035632&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqContainer.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqContainer.java Tue Nov 16 13:29:21 2010
@@ -0,0 +1,67 @@
+/*
+ * 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.asReq;
+
+import org.apache.directory.shared.kerberos.codec.kdcReq.KdcReqContainer;
+import org.apache.directory.shared.kerberos.messages.AsReq;
+
+
+/**
+ * The AS-REQ container stores the KdcReq decoded by the Asn1Decoder.
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class AsReqContainer extends KdcReqContainer
+{
+ /** An AS-REQ container */
+ private AsReq asReq;
+
+ /**
+ * Creates a new AsReqContainer object.
+ */
+ public AsReqContainer()
+ {
+ super();
+ this.stateStack = new int[1];
+ this.grammar = AsReqGrammar.getInstance();
+ setTransition( AsReqStatesEnum.START_STATE );
+ }
+
+
+ /**
+ * @return Returns the AsReq.
+ */
+ public AsReq getAsReq()
+ {
+ return asReq;
+ }
+
+
+ /**
+ * Set an AsReq Object into the container. It will be completed by the
+ * KerberosDecoder.
+ *
+ * @param asReq The AsReq to set.
+ */
+ public void setAsReq( AsReq asReq )
+ {
+ this.asReq = asReq;
+ }
+}
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqGrammar.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqGrammar.java?rev=1035632&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqGrammar.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqGrammar.java Tue Nov 16 13:29:21 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.asReq;
+
+
+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.kerberos.KerberosConstants;
+import org.apache.directory.shared.kerberos.codec.asReq.actions.StoreKdcReq;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * This class implements the AS-REQ 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 AsReqGrammar extends AbstractGrammar
+{
+ /** The logger */
+ static final Logger LOG = LoggerFactory.getLogger( AsReqGrammar.class );
+
+ /** A speedup for logger */
+ static final boolean IS_DEBUG = LOG.isDebugEnabled();
+
+ /** The instance of grammar. AsReqGrammar is a singleton */
+ private static Grammar instance = new AsReqGrammar();
+
+
+ /**
+ * Creates a new AsReqGrammar object.
+ */
+ private AsReqGrammar()
+ {
+ setName( AsReqGrammar.class.getName() );
+
+ // Create the transitions table
+ super.transitions = new GrammarTransition[AsReqStatesEnum.LAST_AS_REQ_STATE.ordinal()][256];
+
+ // ============================================================================================
+ // AS-REQ
+ // ============================================================================================
+ // --------------------------------------------------------------------------------------------
+ // Transition from AS-REQ init to KDC-REQ
+ // --------------------------------------------------------------------------------------------
+ // AS-REQ ::= [APPLICATION 10] KDC-REQ
+ super.transitions[AsReqStatesEnum.START_STATE.ordinal()][KerberosConstants.AS_REQ_TAG] = new GrammarTransition(
+ AsReqStatesEnum.START_STATE, AsReqStatesEnum.AS_REQ_STATE, KerberosConstants.AS_REQ_TAG,
+ new StoreKdcReq() );
+ }
+
+
+ /**
+ * Get the instance of this grammar
+ *
+ * @return An instance on the AS-REQ Grammar
+ */
+ public static Grammar getInstance()
+ {
+ return instance;
+ }
+}
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqStatesEnum.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqStatesEnum.java?rev=1035632&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqStatesEnum.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/AsReqStatesEnum.java Tue Nov 16 13:29:21 2010
@@ -0,0 +1,105 @@
+/*
+ * 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.asReq;
+
+
+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 AS-REQ grammar's constants. It is also used for debugging
+ * purpose
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public enum AsReqStatesEnum implements States
+{
+ // Start
+ START_STATE, // 0
+
+ // ----- HostAddresses message --------------------------------------
+ AS_REQ_STATE, // 1
+
+ // End
+ LAST_AS_REQ_STATE; // 2
+
+
+ /**
+ * Get the grammar name
+ *
+ * @param grammar The grammar code
+ * @return The grammar name
+ */
+ public String getGrammarName( int grammar )
+ {
+ return "AS_REQ_GRAMMAR";
+ }
+
+
+ /**
+ * Get the grammar name
+ *
+ * @param grammar The grammar class
+ * @return The grammar name
+ */
+ public String getGrammarName( Grammar grammar )
+ {
+ if ( grammar instanceof KerberosMessageGrammar )
+ {
+ return "AS_REQ_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_AS_REQ_STATE.ordinal() ) ? "AS_REQ_END_STATE" : name() );
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ public boolean isEndState()
+ {
+ return this == LAST_AS_REQ_STATE;
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ public AsReqStatesEnum getStartState()
+ {
+ return START_STATE;
+ }
+}
Added: directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/actions/StoreKdcReq.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/actions/StoreKdcReq.java?rev=1035632&view=auto
==============================================================================
--- directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/actions/StoreKdcReq.java (added)
+++ directory/apacheds/trunk/kerberos-codec/src/main/java/org/apache/directory/shared/kerberos/codec/asReq/actions/StoreKdcReq.java Tue Nov 16 13:29:21 2010
@@ -0,0 +1,113 @@
+/*
+ * 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.asReq.actions;
+
+
+import org.apache.directory.shared.asn1.ber.Asn1Container;
+import org.apache.directory.shared.asn1.ber.Asn1Decoder;
+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.KerberosMessageGrammar;
+import org.apache.directory.shared.kerberos.codec.asReq.AsReqContainer;
+import org.apache.directory.shared.kerberos.codec.kdcReq.KdcReqContainer;
+import org.apache.directory.shared.kerberos.messages.AsReq;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * The action used to add a KDC-REQ object
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class StoreKdcReq extends GrammarAction
+{
+ /** The logger */
+ private static final Logger LOG = LoggerFactory.getLogger( KerberosMessageGrammar.class );
+
+ /** Speedup for logs */
+ private static final boolean IS_DEBUG = LOG.isDebugEnabled();
+
+
+ /**
+ * Instantiates a new KDC-REQ action.
+ */
+ public StoreKdcReq()
+ {
+ super( "Add an KDC-REQ instance" );
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ public void action( Asn1Container container ) throws DecoderException
+ {
+ AsReqContainer asReqContainer = ( AsReqContainer ) container;
+
+ TLV tlv = asReqContainer.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 ) );
+ }
+
+ // Now, let's decode the KDC-REQ
+ Asn1Decoder kdcReqDecoder = new Asn1Decoder();
+
+ KdcReqContainer kdcReqContainer = new KdcReqContainer();
+ kdcReqContainer.setStream( container.getStream() );
+
+ // Store the created AS-REQ object into the KDC-REQ container
+ AsReq asReq = new AsReq();
+ kdcReqContainer.setKdcReq( asReq );
+
+ // Decode the KDC_REQ PDU
+ try
+ {
+ kdcReqDecoder.decode( container.getStream(), kdcReqContainer );
+ }
+ catch ( DecoderException de )
+ {
+ throw de;
+ }
+
+ // Update the expected length for the current TLV
+ tlv.setExpectedLength( tlv.getExpectedLength() - tlv.getLength() );
+
+ // Update the parent
+ container.updateParent();
+
+ asReqContainer.setAsReq( asReq );
+
+ if ( IS_DEBUG )
+ {
+ LOG.debug( "AS-REQ : {}", asReq );
+ }
+
+ container.setGrammarEndAllowed( true );
+ }
+}