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20 package org.apache.directory.shared.kerberos.codec.asReq.actions;
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23 import org.apache.directory.api.asn1.DecoderException;
24 import org.apache.directory.api.asn1.ber.Asn1Decoder;
25 import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
26 import org.apache.directory.api.asn1.ber.tlv.TLV;
27 import org.apache.directory.api.i18n.I18n;
28 import org.apache.directory.shared.kerberos.KerberosMessageType;
29 import org.apache.directory.shared.kerberos.codec.asReq.AsReqContainer;
30 import org.apache.directory.shared.kerberos.codec.kdcReq.KdcReqContainer;
31 import org.apache.directory.shared.kerberos.messages.AsReq;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
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41 public class StoreKdcReq extends GrammarAction<AsReqContainer>
42 {
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44 private static final Logger LOG = LoggerFactory.getLogger( StoreKdcReq.class );
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47 private static final boolean IS_DEBUG = LOG.isDebugEnabled();
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53 public StoreKdcReq()
54 {
55 super( "Add an KDC-REQ instance" );
56 }
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62 public void action( AsReqContainer asReqContainer ) throws DecoderException
63 {
64 TLV tlv = asReqContainer.getCurrentTLV();
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67 if ( tlv.getLength() == 0 )
68 {
69 LOG.error( I18n.err( I18n.ERR_01308_ZERO_LENGTH_TLV ) );
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72 throw new DecoderException( I18n.err( I18n.ERR_01309_EMPTY_TLV ) );
73 }
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76 KdcReqContaineros/codec/kdcReq/KdcReqContainer.html#KdcReqContainer">KdcReqContainer kdcReqContainer = new KdcReqContainer( asReqContainer.getStream() );
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79 AsReqectory/shared/kerberos/messages/AsReq.html#AsReq">AsReq asReq = new AsReq();
80 kdcReqContainer.setKdcReq( asReq );
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83 Asn1Decoder.decode( asReqContainer.getStream(), kdcReqContainer );
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86 tlv.setExpectedLength( tlv.getExpectedLength() - tlv.getLength() );
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89 asReqContainer.updateParent();
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91 if ( asReq.getMessageType() != KerberosMessageType.AS_REQ )
92 {
93 throw new DecoderException( "Bad message type" );
94 }
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96 asReqContainer.setAsReq( asReq );
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98 if ( IS_DEBUG )
99 {
100 LOG.debug( "AS-REQ : {}", asReq );
101 }
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103 asReqContainer.setGrammarEndAllowed( true );
104 }
105 }