001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.directory.shared.kerberos.codec.authorizationData; 021 022 023import org.apache.directory.api.asn1.actions.CheckNotNullLength; 024import org.apache.directory.api.asn1.ber.grammar.AbstractGrammar; 025import org.apache.directory.api.asn1.ber.grammar.Grammar; 026import org.apache.directory.api.asn1.ber.grammar.GrammarTransition; 027import org.apache.directory.api.asn1.ber.tlv.UniversalTag; 028import org.apache.directory.shared.kerberos.KerberosConstants; 029import org.apache.directory.shared.kerberos.codec.authorizationData.actions.AuthorizationDataInit; 030import org.apache.directory.shared.kerberos.codec.authorizationData.actions.StoreAdData; 031import org.apache.directory.shared.kerberos.codec.authorizationData.actions.StoreAdType; 032import org.slf4j.Logger; 033import org.slf4j.LoggerFactory; 034 035 036/** 037 * This class implements the AuthorizationData structure. All the actions are declared 038 * in this class. As it is a singleton, these declaration are only done once. If 039 * an action is to be added or modified, this is where the work is to be done ! 040 * 041 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 042 */ 043public final class AuthorizationDataGrammar extends AbstractGrammar<AuthorizationDataContainer> 044{ 045 /** The logger */ 046 static final Logger LOG = LoggerFactory.getLogger( AuthorizationDataGrammar.class ); 047 048 /** A speedup for logger */ 049 static final boolean IS_DEBUG = LOG.isDebugEnabled(); 050 051 /** The instance of grammar. AuthorizationDataGrammar is a singleton */ 052 private static Grammar<AuthorizationDataContainer> instance = new AuthorizationDataGrammar(); 053 054 055 /** 056 * Creates a new AuthorizationDataGrammar object. 057 */ 058 @SuppressWarnings("unchecked") 059 private AuthorizationDataGrammar() 060 { 061 setName( AuthorizationDataGrammar.class.getName() ); 062 063 // Create the transitions table 064 super.transitions = new GrammarTransition[AuthorizationDataStatesEnum.LAST_AUTHORIZATION_DATA_STATE.ordinal()][256]; 065 066 // ============================================================================================ 067 // AuthorizationData 068 // ============================================================================================ 069 // -------------------------------------------------------------------------------------------- 070 // Transition from AuthorizationData init to AuthorizationData SEQ OF 071 // -------------------------------------------------------------------------------------------- 072 // AuthorizationData ::= SEQUENCE OF 073 super.transitions[AuthorizationDataStatesEnum.START_STATE.ordinal()][UniversalTag.SEQUENCE.getValue()] = 074 new GrammarTransition<AuthorizationDataContainer>( 075 AuthorizationDataStatesEnum.START_STATE, 076 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_SEQ_SEQ_STATE, 077 UniversalTag.SEQUENCE, 078 new AuthorizationDataInit() ); 079 080 // -------------------------------------------------------------------------------------------- 081 // Transition from AuthorizationData SEQ OF to SEQ 082 // -------------------------------------------------------------------------------------------- 083 // AuthorizationData ::= SEQUENCE OF SEQUENCE { 084 super.transitions[AuthorizationDataStatesEnum.AUTHORIZATION_DATA_SEQ_SEQ_STATE.ordinal()][UniversalTag.SEQUENCE 085 .getValue()] = 086 new GrammarTransition<AuthorizationDataContainer>( 087 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_SEQ_SEQ_STATE, 088 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_SEQ_STATE, 089 UniversalTag.SEQUENCE, 090 new CheckNotNullLength<AuthorizationDataContainer>() ); 091 092 // -------------------------------------------------------------------------------------------- 093 // Transition from AuthorizationData SEQ OF to adType tag 094 // -------------------------------------------------------------------------------------------- 095 // AuthorizationData ::= SEQUENCE OF SEQUENCE { 096 // ad-type [0] 097 super.transitions[AuthorizationDataStatesEnum.AUTHORIZATION_DATA_SEQ_STATE.ordinal()][KerberosConstants.AUTHORIZATION_DATA_ADTYPE_TAG] = 098 new GrammarTransition<AuthorizationDataContainer>( 099 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_SEQ_STATE, 100 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADTYPE_TAG_STATE, 101 KerberosConstants.AUTHORIZATION_DATA_ADTYPE_TAG, 102 new CheckNotNullLength<AuthorizationDataContainer>() ); 103 104 // -------------------------------------------------------------------------------------------- 105 // Transition from adtype tag to adtype value 106 // -------------------------------------------------------------------------------------------- 107 // AuthorizationData ::= SEQUENCE OF SEQUENCE { 108 // ad-type [0] Int32, 109 super.transitions[AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADTYPE_TAG_STATE.ordinal()][UniversalTag.INTEGER 110 .getValue()] = 111 new GrammarTransition<AuthorizationDataContainer>( 112 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADTYPE_TAG_STATE, 113 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADTYPE_STATE, 114 UniversalTag.INTEGER, 115 new StoreAdType() ); 116 117 // -------------------------------------------------------------------------------------------- 118 // Transition from ad-type value to ad-data tag 119 // -------------------------------------------------------------------------------------------- 120 // AuthorizationData ::= SEQUENCE OF SEQUENCE { 121 // ... 122 // ad-data [1] 123 super.transitions[AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADTYPE_STATE.ordinal()][KerberosConstants.AUTHORIZATION_DATA_ADDATA_TAG] = 124 new GrammarTransition<AuthorizationDataContainer>( 125 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADTYPE_STATE, 126 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADDATA_TAG_STATE, 127 KerberosConstants.AUTHORIZATION_DATA_ADDATA_TAG, 128 new CheckNotNullLength<AuthorizationDataContainer>() ); 129 130 // -------------------------------------------------------------------------------------------- 131 // Transition from ad-data tag to ad-data value 132 // -------------------------------------------------------------------------------------------- 133 // AuthorizationData ::= SEQUENCE OF SEQUENCE { 134 // ... 135 // ad-data [1] (OCTET STRING) 136 super.transitions[AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADDATA_TAG_STATE.ordinal()][UniversalTag.OCTET_STRING 137 .getValue()] = 138 new GrammarTransition<AuthorizationDataContainer>( 139 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADDATA_TAG_STATE, 140 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADDATA_STATE, 141 UniversalTag.OCTET_STRING, 142 new StoreAdData() ); 143 144 // -------------------------------------------------------------------------------------------- 145 // Transition from ad-data value to SEQUENCE 146 // -------------------------------------------------------------------------------------------- 147 // AuthorizationData ::= SEQUENCE { 148 // ... 149 // ad-data [1] (OCTET STRING) 150 super.transitions[AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADDATA_STATE.ordinal()][UniversalTag.SEQUENCE 151 .getValue()] = 152 new GrammarTransition<AuthorizationDataContainer>( 153 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_ADDATA_STATE, 154 AuthorizationDataStatesEnum.AUTHORIZATION_DATA_SEQ_STATE, 155 UniversalTag.SEQUENCE, 156 new CheckNotNullLength<AuthorizationDataContainer>() ); 157 } 158 159 160 /** 161 * Get the instance of this grammar 162 * 163 * @return An instance on the AuthorizationData Grammar 164 */ 165 public static Grammar<AuthorizationDataContainer> getInstance() 166 { 167 return instance; 168 } 169}