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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.directory.shared.kerberos.codec.kdcReqBody.actions;
21  
22  
23  import org.apache.directory.api.asn1.DecoderException;
24  import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
25  import org.apache.directory.api.asn1.ber.tlv.TLV;
26  import org.apache.directory.api.i18n.I18n;
27  import org.apache.directory.shared.kerberos.codec.kdcReqBody.KdcReqBodyContainer;
28  import org.apache.directory.shared.kerberos.codec.options.KdcOptions;
29  import org.apache.directory.shared.kerberos.components.KdcReqBody;
30  import org.slf4j.Logger;
31  import org.slf4j.LoggerFactory;
32  
33  
34  /**
35   * The action used to store the KDCOptions
36   *
37   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
38   */
39  public class StoreKdcOptions extends GrammarAction<KdcReqBodyContainer>
40  {
41      /** The logger */
42      private static final Logger LOG = LoggerFactory.getLogger( StoreKdcOptions.class );
43  
44      /** Speedup for logs */
45      private static final boolean IS_DEBUG = LOG.isDebugEnabled();
46  
47  
48      /**
49       * Instantiates a new StoreKdcOptions action.
50       */
51      public StoreKdcOptions()
52      {
53          super( "Stores the KDCOptions" );
54      }
55  
56  
57      /**
58       * {@inheritDoc}
59       */
60      public void action( KdcReqBodyContainer kdcReqBodyContainer ) throws DecoderException
61      {
62          TLV tlv = kdcReqBodyContainer.getCurrentTLV();
63  
64          // The Length should not be null, and should be 5
65          if ( tlv.getLength() != 5 )
66          {
67              LOG.error( I18n.err( I18n.ERR_01308_ZERO_LENGTH_TLV ) );
68  
69              // This will generate a PROTOCOL_ERROR
70              throw new DecoderException( I18n.err( I18n.ERR_01309_EMPTY_TLV ) );
71          }
72  
73          KdcReqBody kdcReqBody = kdcReqBodyContainer.getKdcReqBody();
74          KdcOptionsred/kerberos/codec/options/KdcOptions.html#KdcOptions">KdcOptions kdcOptions = new KdcOptions( tlv.getValue().getData() );
75  
76          kdcReqBody.setKdcOptions( kdcOptions );
77  
78          if ( IS_DEBUG )
79          {
80              LOG.debug( "KDCOptions : {}", kdcOptions );
81          }
82      }
83  }