| /** |
| * 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.client.request; |
| |
| import org.apache.kerby.KOptions; |
| import org.apache.kerby.kerberos.kerb.KrbException; |
| import org.apache.kerby.kerberos.kerb.client.KrbContext; |
| import org.apache.kerby.kerberos.kerb.client.KrbOption; |
| import org.apache.kerby.kerberos.kerb.keytab.Keytab; |
| import org.apache.kerby.kerberos.kerb.type.base.EncryptionKey; |
| import org.apache.kerby.kerberos.kerb.type.pa.PaDataType; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| public class AsRequestWithKeytab extends AsRequest { |
| |
| public AsRequestWithKeytab(KrbContext context) { |
| super(context); |
| |
| setAllowedPreauth(PaDataType.ENC_TIMESTAMP); |
| } |
| |
| private Keytab getKeytab() { |
| File keytabFile = null; |
| KOptions kOptions = getRequestOptions(); |
| |
| if (kOptions.contains(KrbOption.KEYTAB_FILE)) { |
| keytabFile = kOptions.getFileOption(KrbOption.KEYTAB_FILE); |
| } |
| |
| if (kOptions.contains(KrbOption.USE_DFT_KEYTAB)) { |
| final String clientKeytabEnv = System.getenv("KRB5_CLIENT_KTNAME"); |
| final String clientKeytabDft = getContext().getConfig().getString( |
| "default_client_keytab_name"); |
| if (clientKeytabEnv != null) { |
| keytabFile = new File(clientKeytabEnv); |
| } else if (clientKeytabDft != null) { |
| keytabFile = new File(clientKeytabDft); |
| } else { |
| System.err.println("Default client keytab file not found."); |
| } |
| } |
| |
| Keytab keytab = null; |
| try { |
| keytab = Keytab.loadKeytab(keytabFile); |
| } catch (IOException e) { |
| System.err.println("Can not load keytab from file" + keytabFile.getAbsolutePath()); |
| } |
| return keytab; |
| } |
| |
| @Override |
| public EncryptionKey getClientKey() throws KrbException { |
| if (super.getClientKey() == null) { |
| EncryptionKey tmpKey = getKeytab().getKey(getClientPrincipal(), |
| getChosenEncryptionType()); |
| setClientKey(tmpKey); |
| } |
| return super.getClientKey(); |
| } |
| |
| } |