| /* |
| * 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.krbSafeBody; |
| |
| |
| import org.apache.directory.api.asn1.actions.CheckNotNullLength; |
| import org.apache.directory.api.asn1.ber.grammar.AbstractGrammar; |
| import org.apache.directory.api.asn1.ber.grammar.Grammar; |
| import org.apache.directory.api.asn1.ber.grammar.GrammarTransition; |
| import org.apache.directory.api.asn1.ber.tlv.UniversalTag; |
| import org.apache.directory.shared.kerberos.KerberosConstants; |
| import org.apache.directory.shared.kerberos.codec.krbSafeBody.actions.KrbSafeBodyInit; |
| import org.apache.directory.shared.kerberos.codec.krbSafeBody.actions.StoreRecipientAddress; |
| import org.apache.directory.shared.kerberos.codec.krbSafeBody.actions.StoreSenderAddress; |
| import org.apache.directory.shared.kerberos.codec.krbSafeBody.actions.StoreSeqNumber; |
| import org.apache.directory.shared.kerberos.codec.krbSafeBody.actions.StoreTimestamp; |
| import org.apache.directory.shared.kerberos.codec.krbSafeBody.actions.StoreUsec; |
| import org.apache.directory.shared.kerberos.codec.krbSafeBody.actions.StoreUserData; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * This class implements the KRB-SAFE-BODY structure. All the actions are declared |
| * in this class. As it is a singleton, these declaration are only done once. If |
| * an action is to be added or modified, this is where the work is to be done ! |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public final class KrbSafeBodyGrammar extends AbstractGrammar<KrbSafeBodyContainer> |
| { |
| /** The logger */ |
| static final Logger LOG = LoggerFactory.getLogger( KrbSafeBodyGrammar.class ); |
| |
| /** A speedup for logger */ |
| static final boolean IS_DEBUG = LOG.isDebugEnabled(); |
| |
| /** The instance of grammar. KrbSafeBodyGrammar is a singleton */ |
| private static Grammar<KrbSafeBodyContainer> instance = new KrbSafeBodyGrammar(); |
| |
| |
| /** |
| * Creates a new KrbSafeBodyGrammar object. |
| */ |
| @SuppressWarnings("unchecked") |
| private KrbSafeBodyGrammar() |
| { |
| setName( KrbSafeBodyGrammar.class.getName() ); |
| |
| // Create the transitions table |
| super.transitions = new GrammarTransition[KrbSafeBodyStatesEnum.LAST_KRB_SAFE_BODY_STATE.ordinal()][256]; |
| |
| // ============================================================================================ |
| // KrbSafeBody |
| // ============================================================================================ |
| // -------------------------------------------------------------------------------------------- |
| // Transition from KrbSafeBody init to KrbSafeBody seq |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| super.transitions[KrbSafeBodyStatesEnum.START_STATE.ordinal()][UniversalTag.SEQUENCE.getValue()] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.START_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SEQ_TAG_STATE, |
| UniversalTag.SEQUENCE, |
| new KrbSafeBodyInit() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from KrbSafeBody seq to user-data tag |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // user-data [0] |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SEQ_TAG_STATE.ordinal()][KerberosConstants.KRB_SAFE_BODY_USER_DATA_TAG] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SEQ_TAG_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_TAG_STATE, |
| KerberosConstants.KRB_SAFE_BODY_USER_DATA_TAG, |
| new CheckNotNullLength<KrbSafeBodyContainer>() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from user-data tag to user-data value |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // user-data [0] OCTET STRING |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_TAG_STATE.ordinal()][UniversalTag.OCTET_STRING |
| .getValue()] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_TAG_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_STATE, |
| UniversalTag.OCTET_STRING, |
| new StoreUserData() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from user-data value to timestamp tag |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // timestamp [1] |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_STATE.ordinal()][KerberosConstants.KRB_SAFE_BODY_TIMESTAMP_TAG] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_TIMESTAMP_TAG_STATE, |
| KerberosConstants.KRB_SAFE_BODY_TIMESTAMP_TAG, |
| new CheckNotNullLength<KrbSafeBodyContainer>() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from timestamp tag to timestamp value |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // timestamp [1] KerberosTime OPTIONAL |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_TIMESTAMP_TAG_STATE.ordinal()][UniversalTag.GENERALIZED_TIME |
| .getValue()] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_TIMESTAMP_TAG_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_TIMESTAMP_STATE, |
| UniversalTag.GENERALIZED_TIME, |
| new StoreTimestamp() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from timestamp value to usec tag |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // usec [2] |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_TIMESTAMP_STATE.ordinal()][KerberosConstants.KRB_SAFE_BODY_USEC_TAG] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_TIMESTAMP_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USEC_TAG_STATE, |
| KerberosConstants.KRB_SAFE_BODY_USEC_TAG, |
| new CheckNotNullLength<KrbSafeBodyContainer>() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from usec tag to usec value |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // usec [2] Microseconds OPTIONAL |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USEC_TAG_STATE.ordinal()][UniversalTag.INTEGER.getValue()] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USEC_TAG_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USEC_STATE, |
| UniversalTag.INTEGER, |
| new StoreUsec() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from usec value to seq-number tag |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // seq-number [3] |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USEC_STATE.ordinal()][KerberosConstants.KRB_SAFE_BODY_SEQ_NUMBER_TAG] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USEC_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SEQ_NUMBER_TAG_STATE, |
| KerberosConstants.KRB_SAFE_BODY_SEQ_NUMBER_TAG, |
| new CheckNotNullLength<KrbSafeBodyContainer>() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from seq-number tag to seq-number value |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // seq-number [3] UInt32 OPTIONAL |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SEQ_NUMBER_TAG_STATE.ordinal()][UniversalTag.INTEGER |
| .getValue()] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SEQ_NUMBER_TAG_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SEQ_NUMBER_STATE, |
| UniversalTag.INTEGER, |
| new StoreSeqNumber() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from seq-number to s-address tag |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // s-address [4] HostAddress |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SEQ_NUMBER_STATE.ordinal()][KerberosConstants.KRB_SAFE_BODY_SENDER_ADDRESS_TAG] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SEQ_NUMBER_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SENDER_ADDRESS_TAG_STATE, |
| KerberosConstants.KRB_SAFE_BODY_SENDER_ADDRESS_TAG, |
| new StoreSenderAddress() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from s-address tag to r-address tag |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // r-address [5] HostAddress |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SENDER_ADDRESS_TAG_STATE.ordinal()][KerberosConstants.KRB_SAFE_BODY_RECIPIENT_ADDRESS_TAG] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SENDER_ADDRESS_TAG_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_RECIPIENT_ADDRESS_TAG_STATE, |
| KerberosConstants.KRB_SAFE_BODY_RECIPIENT_ADDRESS_TAG, |
| new StoreRecipientAddress() ); |
| |
| //----------------------------- OPTIONAL transitions --------------------------- |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from user-data value to usec tag |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // usec [2] |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_STATE.ordinal()][KerberosConstants.KRB_SAFE_BODY_USEC_TAG] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USEC_TAG_STATE, |
| KerberosConstants.KRB_SAFE_BODY_USEC_TAG, |
| new CheckNotNullLength<KrbSafeBodyContainer>() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from user-data value to seq-number tag |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // seq-number [3] |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_STATE.ordinal()][KerberosConstants.KRB_SAFE_BODY_SEQ_NUMBER_TAG] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SEQ_NUMBER_TAG_STATE, |
| KerberosConstants.KRB_SAFE_BODY_SEQ_NUMBER_TAG, |
| new CheckNotNullLength<KrbSafeBodyContainer>() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from user-data value to s-address tag |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // s-address [4] |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_STATE.ordinal()][KerberosConstants.KRB_SAFE_BODY_SENDER_ADDRESS_TAG] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USER_DATA_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SENDER_ADDRESS_TAG_STATE, |
| KerberosConstants.KRB_SAFE_BODY_SENDER_ADDRESS_TAG, |
| new StoreSenderAddress() ); |
| |
| // -------------------------------------------------------------------------------------------- |
| // Transition from usec value to s-address tag |
| // -------------------------------------------------------------------------------------------- |
| // KRB-SAFE-BODY ::= SEQUENCE { |
| // s-address [4] |
| super.transitions[KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USEC_STATE.ordinal()][KerberosConstants.KRB_SAFE_BODY_SENDER_ADDRESS_TAG] = |
| new GrammarTransition<KrbSafeBodyContainer>( |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_USEC_STATE, |
| KrbSafeBodyStatesEnum.KRB_SAFE_BODY_SENDER_ADDRESS_TAG_STATE, |
| KerberosConstants.KRB_SAFE_BODY_SENDER_ADDRESS_TAG, |
| new StoreSenderAddress() ); |
| } |
| |
| |
| /** |
| * Get the instance of this grammar |
| * |
| * @return An instance on the KRB-SAFE-BODY Grammar |
| */ |
| public static Grammar<KrbSafeBodyContainer> getInstance() |
| { |
| return instance; |
| } |
| } |
