| /** |
| * 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.sentry.service.thrift; |
| |
| import java.io.File; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.security.auth.login.AppConfigurationEntry; |
| |
| public class KerberosConfiguration extends javax.security.auth.login.Configuration { |
| private String principal; |
| private String keytab; |
| private boolean isInitiator; |
| |
| private KerberosConfiguration(String principal, File keytab, |
| boolean client) { |
| this.principal = principal; |
| this.keytab = keytab.getAbsolutePath(); |
| this.isInitiator = client; |
| } |
| |
| public static javax.security.auth.login.Configuration createClientConfig(String principal, |
| File keytab) { |
| return new KerberosConfiguration(principal, keytab, true); |
| } |
| |
| public static javax.security.auth.login.Configuration createServerConfig(String principal, |
| File keytab) { |
| return new KerberosConfiguration(principal, keytab, false); |
| } |
| |
| private static String getKrb5LoginModuleName() { |
| return System.getProperty("java.vendor").contains("IBM") |
| ? "com.ibm.security.auth.module.Krb5LoginModule" |
| : "com.sun.security.auth.module.Krb5LoginModule"; |
| } |
| |
| @Override |
| public AppConfigurationEntry[] getAppConfigurationEntry(String name) { |
| Map<String, String> options = new HashMap<String, String>(); |
| options.put("keyTab", keytab); |
| options.put("principal", principal); |
| options.put("useKeyTab", "true"); |
| options.put("storeKey", "true"); |
| options.put("doNotPrompt", "true"); |
| options.put("useTicketCache", "true"); |
| options.put("renewTGT", "true"); |
| options.put("refreshKrb5Config", "true"); |
| options.put("isInitiator", Boolean.toString(isInitiator)); |
| String ticketCache = System.getenv("KRB5CCNAME"); |
| if (ticketCache != null) { |
| options.put("ticketCache", ticketCache); |
| } |
| options.put("debug", "true"); |
| |
| return new AppConfigurationEntry[]{ |
| new AppConfigurationEntry(getKrb5LoginModuleName(), |
| AppConfigurationEntry.LoginModuleControlFlag.REQUIRED, |
| options)}; |
| } |
| } |
| |