| /** |
| * 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.kerby.kerberos.kerb.common; |
| |
| import org.apache.kerby.kerberos.kerb.type.base.EncryptionType; |
| import org.apache.kerby.kerberos.kerb.type.base.EtypeInfo; |
| import org.apache.kerby.kerberos.kerb.type.base.EtypeInfo2; |
| import org.apache.kerby.kerberos.kerb.type.base.EtypeInfo2Entry; |
| import org.apache.kerby.kerberos.kerb.type.base.EtypeInfoEntry; |
| import org.apache.kerby.kerberos.kerb.type.base.KrbError; |
| import org.apache.kerby.kerberos.kerb.type.base.MethodData; |
| import org.apache.kerby.kerberos.kerb.type.pa.PaDataEntry; |
| import org.apache.kerby.kerberos.kerb.type.pa.PaDataType; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class KrbErrorUtil { |
| |
| public static List<EncryptionType> getEtypes(KrbError error) throws IOException { |
| MethodData methodData = new MethodData(); |
| methodData.decode(error.getEdata()); |
| |
| for (PaDataEntry pd : methodData.getElements()) { |
| if (pd.getPaDataType() == PaDataType.ETYPE_INFO2) { |
| return getEtypes2(pd.getPaDataValue()); |
| } else if (pd.getPaDataType() == PaDataType.ETYPE_INFO) { |
| return getEtypes(pd.getPaDataValue()); |
| } |
| } |
| return Collections.emptyList(); |
| } |
| |
| private static List<EncryptionType> getEtypes(byte[] data) throws IOException { |
| EtypeInfo info = new EtypeInfo(); |
| info.decode(data); |
| List<EncryptionType> results = new ArrayList<EncryptionType>(); |
| for (EtypeInfoEntry entry : info.getElements()) { |
| results.add(entry.getEtype()); |
| } |
| return results; |
| } |
| |
| private static List<EncryptionType> getEtypes2(byte[] data) throws IOException { |
| EtypeInfo2 info2 = new EtypeInfo2(); |
| info2.decode(data); |
| List<EncryptionType> results = new ArrayList<EncryptionType>(); |
| for (EtypeInfo2Entry entry : info2.getElements()) { |
| results.add(entry.getEtype()); |
| } |
| return results; |
| } |
| } |