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 * https://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.api.ldap.codec.actions.request.bind; 021 022 023import org.apache.directory.api.asn1.DecoderException; 024import org.apache.directory.api.asn1.ber.grammar.GrammarAction; 025import org.apache.directory.api.asn1.ber.tlv.BerValue; 026import org.apache.directory.api.asn1.ber.tlv.IntegerDecoder; 027import org.apache.directory.api.asn1.ber.tlv.IntegerDecoderException; 028import org.apache.directory.api.asn1.ber.tlv.TLV; 029import org.apache.directory.api.i18n.I18n; 030import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 031import org.apache.directory.api.ldap.model.message.BindRequest; 032import org.apache.directory.api.util.Strings; 033import org.slf4j.Logger; 034import org.slf4j.LoggerFactory; 035 036 037/** 038 * The action used to store the BindRequest version. 039 * <pre> 040 * BindRequest ::= [APPLICATION 0] SEQUENCE { 041 * version INTEGER (1 .. 127), 042 * .... 043 * </pre> 044 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 045 */ 046public class StoreVersion extends GrammarAction<LdapMessageContainer<BindRequest>> 047{ 048 /** The logger */ 049 private static final Logger LOG = LoggerFactory.getLogger( StoreVersion.class ); 050 051 /** 052 * Instantiates a new action. 053 */ 054 public StoreVersion() 055 { 056 super( "Store BindRequest Version" ); 057 } 058 059 060 /** 061 * {@inheritDoc} 062 */ 063 @Override 064 public void action( LdapMessageContainer<BindRequest> container ) throws DecoderException 065 { 066 BindRequest bindRequestMessage = container.getMessage(); 067 068 // The current TLV should be a integer between 1 and 127 069 // We get it and store it in Version 070 TLV tlv = container.getCurrentTLV(); 071 072 BerValue value = tlv.getValue(); 073 074 try 075 { 076 int version = IntegerDecoder.parse( value, 1, 127 ); 077 078 if ( LOG.isDebugEnabled() ) 079 { 080 LOG.debug( I18n.msg( I18n.MSG_05114_LDAP_VERSION, Integer.valueOf( version ) ) ); 081 } 082 083 bindRequestMessage.setVersion3( version == 3 ); 084 } 085 catch ( IntegerDecoderException ide ) 086 { 087 LOG.error( I18n 088 .err( I18n.ERR_05117_INVALID_VERSION, Strings.dumpBytes( value.getData() ), ide.getMessage() ) ); 089 090 // This will generate a PROTOCOL_ERROR 091 throw new DecoderException( ide.getMessage(), ide ); 092 } 093 } 094}