| /* |
| * 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.principalName.actions; |
| |
| |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.ber.grammar.GrammarAction; |
| import org.apache.directory.api.asn1.ber.tlv.BerValue; |
| import org.apache.directory.api.asn1.ber.tlv.TLV; |
| import org.apache.directory.api.util.Strings; |
| import org.apache.directory.server.i18n.I18n; |
| import org.apache.directory.shared.kerberos.KerberosUtils; |
| import org.apache.directory.shared.kerberos.codec.principalName.PrincipalNameContainer; |
| import org.apache.directory.shared.kerberos.components.PrincipalName; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * The action used to store the PrincipalName string |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class StoreNameString extends GrammarAction<PrincipalNameContainer> |
| { |
| /** The logger */ |
| private static final Logger LOG = LoggerFactory.getLogger( StoreNameString.class ); |
| |
| /** Speedup for logs */ |
| private static final boolean IS_DEBUG = LOG.isDebugEnabled(); |
| |
| /** A flag used to allow UTF-8 chars in the name. THanks Microsoft for, once again, blowing a specification */ |
| private static boolean ALLOW_UTF8_NAMES = false; |
| |
| static |
| { |
| String allowUTF8Names = System.getProperty( "sun.security.krb5.msinterop.kstring" ); |
| |
| if ( "true".equalsIgnoreCase( Strings.trim( allowUTF8Names ) ) ) |
| { |
| ALLOW_UTF8_NAMES = true; |
| } |
| } |
| |
| /** |
| * Instantiates a new PrincipalNameInit action. |
| */ |
| public StoreNameString() |
| { |
| super( "Store the PrincipalName string" ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void action( PrincipalNameContainer principalNameContainer ) throws DecoderException |
| { |
| TLV tlv = principalNameContainer.getCurrentTLV(); |
| |
| // The Length should not be null |
| if ( tlv.getLength() == 0 ) |
| { |
| LOG.error( I18n.err( I18n.ERR_744_NULL_PDU_LENGTH ) ); |
| |
| // This will generate a PROTOCOL_ERROR |
| throw new DecoderException( I18n.err( I18n.ERR_744_NULL_PDU_LENGTH ) ); |
| } |
| |
| // Get the principalName |
| PrincipalName principalName = principalNameContainer.getPrincipalName(); |
| |
| BerValue value = tlv.getValue(); |
| |
| // The PrincipalName must be pure ASCII witout any control character |
| if ( ALLOW_UTF8_NAMES || KerberosUtils.isKerberosString( value.getData() ) ) |
| { |
| String nameString = Strings.utf8ToString( value.getData() ); |
| |
| principalName.addName( nameString ); |
| principalNameContainer.setGrammarEndAllowed( true ); |
| |
| if ( IS_DEBUG ) |
| { |
| LOG.debug( "PrincipalName String : {}", nameString ); |
| } |
| } |
| else |
| { |
| String valBytes = Strings.dumpBytes( value.getData() ); |
| String valStr = Strings.utf8ToString( value.getData() ); |
| String valAll = valBytes + "/" + valStr; |
| LOG.error( I18n.err( I18n.ERR_745_NOT_A_KERBEROS_STRING, valAll ) ); |
| |
| // This will generate a PROTOCOL_ERROR |
| throw new DecoderException( I18n.err( I18n.ERR_745_NOT_A_KERBEROS_STRING, valAll ) ); |
| } |
| } |
| } |