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From sur...@apache.org
Subject svn commit: r1406202 - in /hadoop/common/trunk/hadoop-common-project/hadoop-common: CHANGES.txt src/test/java/org/apache/hadoop/security/SecurityUtilTestHelper.java src/test/java/org/apache/hadoop/security/TestUGIWithExternalKdc.java
Date Tue, 06 Nov 2012 16:12:43 GMT
Author: suresh
Date: Tue Nov  6 16:12:43 2012
New Revision: 1406202

URL: http://svn.apache.org/viewvc?rev=1406202&view=rev
Log:
HADOOP-9004. Allow security unit tests to use external KDC. Contributed by Stephen Chu.

Added:
    hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUGIWithExternalKdc.java
Modified:
    hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
    hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/SecurityUtilTestHelper.java

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt?rev=1406202&r1=1406201&r2=1406202&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt Tue Nov  6 16:12:43
2012
@@ -129,6 +129,9 @@ Trunk (Unreleased)
     HADOOP-8776. Provide an option in test-patch that can enable/disable
     compiling native code. (Chris Nauroth via suresh)
 
+    HADOOP-9004. Allow security unit tests to use external KDC. (Stephen Chu
+    via suresh)
+
   BUG FIXES
 
     HADOOP-8177. MBeans shouldn't try to register when it fails to create MBeanName.

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/SecurityUtilTestHelper.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/SecurityUtilTestHelper.java?rev=1406202&r1=1406201&r2=1406202&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/SecurityUtilTestHelper.java
(original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/SecurityUtilTestHelper.java
Tue Nov  6 16:12:43 2012
@@ -27,4 +27,19 @@ public class SecurityUtilTestHelper {
   public static void setTokenServiceUseIp(boolean flag) {
     SecurityUtil.setTokenServiceUseIp(flag);
   }
+
+  /**
+   * Return true if externalKdc=true and the location of the krb5.conf
+   * file has been specified, and false otherwise.
+   */
+  public static boolean isExternalKdcRunning() {
+    String externalKdc = System.getProperty("externalKdc");
+    String krb5Conf = System.getProperty("java.security.krb5.conf");
+    if(externalKdc == null || !externalKdc.equals("true") ||
+       krb5Conf == null) {
+      return false;
+    }
+    return true;
+  }
+
 }

Added: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUGIWithExternalKdc.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUGIWithExternalKdc.java?rev=1406202&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUGIWithExternalKdc.java
(added)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUGIWithExternalKdc.java
Tue Nov  6 16:12:43 2012
@@ -0,0 +1,74 @@
+/**
+ * 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 junit.framework.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();
+    }
+  }
+
+}



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