| /** |
| * 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.hadoop.security; |
| |
| import java.io.IOException; |
| |
| import org.junit.Assert; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.CommonConfigurationKeys; |
| import static org.apache.hadoop.security.SecurityUtilTestHelper.isExternalKdcRunning; |
| import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod; |
| import org.junit.Assume; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Tests kerberos keytab login using a user-specified external KDC |
| * |
| * To run, users must specify the following system properties: |
| * externalKdc=true |
| * java.security.krb5.conf |
| * user.principal |
| * user.keytab |
| */ |
| public class TestUGIWithExternalKdc { |
| |
| @Before |
| public void testExternalKdcRunning() { |
| Assume.assumeTrue(isExternalKdcRunning()); |
| } |
| |
| @Test |
| public void testLogin() throws IOException { |
| String userPrincipal = System.getProperty("user.principal"); |
| String userKeyTab = System.getProperty("user.keytab"); |
| Assert.assertNotNull("User principal was not specified", userPrincipal); |
| Assert.assertNotNull("User keytab was not specified", userKeyTab); |
| |
| Configuration conf = new Configuration(); |
| conf.set(CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION, |
| "kerberos"); |
| UserGroupInformation.setConfiguration(conf); |
| |
| UserGroupInformation ugi = UserGroupInformation |
| .loginUserFromKeytabAndReturnUGI(userPrincipal, userKeyTab); |
| |
| Assert.assertEquals(AuthenticationMethod.KERBEROS, |
| ugi.getAuthenticationMethod()); |
| |
| try { |
| UserGroupInformation |
| .loginUserFromKeytabAndReturnUGI("bogus@EXAMPLE.COM", userKeyTab); |
| Assert.fail("Login should have failed"); |
| } catch (Exception ex) { |
| ex.printStackTrace(); |
| } |
| } |
| |
| } |