/*
* 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.principalName.actions;
import org.apache.directory.server.i18n.I18n;
import org.apache.directory.shared.asn1.DecoderException;
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.BerValue;
import org.apache.directory.shared.kerberos.KerberosUtils;
import org.apache.directory.shared.kerberos.codec.principalName.PrincipalNameContainer;
import org.apache.directory.shared.kerberos.components.PrincipalName;
import org.apache.directory.shared.util.Strings;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The action used to store the PrincipalName string
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class StoreNameString extends GrammarAction<PrincipalNameContainer>
{
/** The logger */
private static final Logger LOG = LoggerFactory.getLogger( StoreNameString.class );
/** Speedup for logs */
private static final boolean IS_DEBUG = LOG.isDebugEnabled();
/**
* Instantiates a new PrincipalNameInit action.
*/
public StoreNameString()
{
super( "Store the PrincipalName string" );
}
/**
* {@inheritDoc}
*/
public void action( PrincipalNameContainer principalNameContainer ) throws DecoderException
{
TLV tlv = principalNameContainer.getCurrentTLV();
// The Length should not be null
if ( tlv.getLength() == 0 )
{
LOG.error( I18n.err( I18n.ERR_744_NULL_PDU_LENGTH ) );
// This will generate a PROTOCOL_ERROR
throw new DecoderException( I18n.err( I18n.ERR_744_NULL_PDU_LENGTH ) );
}
// Get the principalName
PrincipalName principalName = principalNameContainer.getPrincipalName();
BerValue value = tlv.getValue();
// The PrincipalName must be pure ASCII witout any control character
if ( KerberosUtils.isKerberosString( value.getData() ) )
{
String nameString = Strings.utf8ToString( value.getData() );
principalName.addName( nameString );
principalNameContainer.setGrammarEndAllowed( true );
if ( IS_DEBUG )
{
LOG.debug( "PrincipalName String : {}", nameString );
}
}
else
{
String valBytes = Strings.dumpBytes( value.getData() );
String valStr = Strings.utf8ToString( value.getData() );
String valAll = valBytes + "/" + valStr;
LOG.error( I18n.err( I18n.ERR_745_NOT_A_KERBEROS_STRING, valAll ) );
// This will generate a PROTOCOL_ERROR
throw new DecoderException( I18n.err( I18n.ERR_745_NOT_A_KERBEROS_STRING, valAll ) );
}
}
}