/*
* 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.kdcRep.actions;
import org.apache.directory.shared.asn1.DecoderException;
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.i18n.I18n;
import org.apache.directory.shared.kerberos.codec.kdcRep.KdcRepContainer;
import org.apache.directory.shared.kerberos.codec.padata.PaDataContainer;
import org.apache.directory.shared.kerberos.components.KdcRep;
import org.apache.directory.shared.kerberos.components.PaData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The action used to add a PaData
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class AddPaData extends GrammarAction<KdcRepContainer>
{
/** The logger */
private static final Logger LOG = LoggerFactory.getLogger( AddPaData.class );
/** Speedup for logs */
private static final boolean IS_DEBUG = LOG.isDebugEnabled();
/**
* Instantiates a new AddPaData action.
*/
public AddPaData()
{
super( "KDC-REP Add PA-DATA" );
}
/**
* {@inheritDoc}
*/
public void action( KdcRepContainer kdcRepContainer ) throws DecoderException
{
TLV tlv = kdcRepContainer.getCurrentTLV();
// The Length can't 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 PA-DATA
Asn1Decoder paDataDecoder = new Asn1Decoder();
PaDataContainer paDataContainer = new PaDataContainer();
paDataContainer.setStream( kdcRepContainer.getStream() );
// We have to move back to the PA-DATA tag
kdcRepContainer.rewind();
// Decode the PA-DATA PDU
try
{
paDataDecoder.decode( kdcRepContainer.getStream(), paDataContainer );
}
catch ( DecoderException de )
{
throw de;
}
// Update the parent
kdcRepContainer.updateParent();
// Update the expected length for the current TLV
tlv.setExpectedLength( tlv.getExpectedLength() - tlv.getLength() );
// Store the PData in the container
PaData paData = paDataContainer.getPaData();
KdcRep kdcRep = kdcRepContainer.getKdcRep();
kdcRep.addPaData( paData );
if ( IS_DEBUG )
{
LOG.debug( "Added PA-DATA: {}", paData );
}
}
}