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From d...@apache.org
Subject svn commit: r1570934 - in /hadoop/common/trunk/hadoop-common-project/hadoop-common: CHANGES.txt src/main/java/org/apache/hadoop/security/authorize/ProxyUsers.java src/test/java/org/apache/hadoop/security/authorize/TestProxyUsers.java
Date Sat, 22 Feb 2014 22:16:35 GMT
Author: ddas
Date: Sat Feb 22 22:16:34 2014
New Revision: 1570934

URL: http://svn.apache.org/r1570934
Log:
HADOOP-9968. Makes ProxyUsers to work with NetGroups. Contributed by Benoy Antony.

Modified:
    hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
    hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/ProxyUsers.java
    hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestProxyUsers.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=1570934&r1=1570933&r2=1570934&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt Sat Feb 22 22:16:34
2014
@@ -124,6 +124,8 @@ Trunk (Unreleased)
     HADOOP-10342. Add a new method to UGI to use a Kerberos login subject to
     build a new UGI. (Larry McCay via omalley)
 
+    HADOOP-9968. Makes ProxyUsers to work with NetGroups (Benoy Antony via ddas)
+
   BUG FIXES
 
     HADOOP-9451. Fault single-layer config if node group topology is enabled.

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/ProxyUsers.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/ProxyUsers.java?rev=1570934&r1=1570933&r2=1570934&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/ProxyUsers.java
(original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/ProxyUsers.java
Sat Feb 22 22:16:34 2014
@@ -20,6 +20,7 @@ package org.apache.hadoop.security.autho
 
 import java.net.InetAddress;
 import java.net.UnknownHostException;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
@@ -27,6 +28,7 @@ import java.util.Map.Entry;
 
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.security.Groups;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.util.StringUtils;
 
@@ -68,8 +70,11 @@ public class ProxyUsers {
     String regex = CONF_HADOOP_PROXYUSER_RE+"[^.]*\\"+CONF_GROUPS;
     Map<String,String> allMatchKeys = conf.getValByRegex(regex);
     for(Entry<String, String> entry : allMatchKeys.entrySet()) {
-      proxyGroups.put(entry.getKey(), 
-          StringUtils.getStringCollection(entry.getValue()));
+      Collection<String> groups = StringUtils.getStringCollection(entry.getValue());
+      proxyGroups.put(entry.getKey(), groups );
+      //cache the groups. This is needed for NetGroups
+      Groups.getUserToGroupsMappingService(conf).cacheGroupsAdd(
+          new ArrayList<String>(groups));
     }
 
     // now hosts

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestProxyUsers.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestProxyUsers.java?rev=1570934&r1=1570933&r2=1570934&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestProxyUsers.java
(original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestProxyUsers.java
Sat Feb 22 22:16:34 2014
@@ -17,23 +17,113 @@
  */
 package org.apache.hadoop.security.authorize;
 
+import java.io.IOException;
 import java.util.Arrays;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
+import org.apache.hadoop.util.NativeCodeLoader;
 import org.apache.hadoop.util.StringUtils;
+import org.apache.hadoop.security.Groups;
 import org.apache.hadoop.security.UserGroupInformation;
 
 import org.junit.Test;
 import static org.junit.Assert.*;
 
+
 public class TestProxyUsers {
+  private static final Log LOG =
+    LogFactory.getLog(TestProxyUsers.class);
   private static final String REAL_USER_NAME = "proxier";
   private static final String PROXY_USER_NAME = "proxied_user";
   private static final String[] GROUP_NAMES =
     new String[] { "foo_group" };
+  private static final String[] NETGROUP_NAMES =
+    new String[] { "@foo_group" };
   private static final String[] OTHER_GROUP_NAMES =
     new String[] { "bar_group" };
   private static final String PROXY_IP = "1.2.3.4";
 
+  /**
+   * Test the netgroups (groups in ACL rules that start with @)
+   *
+   * This is a  manual test because it requires:
+   *   - host setup
+   *   - native code compiled
+   *   - specify the group mapping class
+   *
+   * Host setup:
+   *
+   * /etc/nsswitch.conf should have a line like this:
+   * netgroup: files
+   *
+   * /etc/netgroup should be (the whole file):
+   * foo_group (,proxied_user,)
+   *
+   * To run this test:
+   *
+   * export JAVA_HOME='path/to/java'
+   * mvn test \
+   *   -Dtest=TestProxyUsers \
+   *   -DTestProxyUsersGroupMapping=$className \
+   *   
+   * where $className is one of the classes that provide group
+   * mapping services, i.e. classes that implement
+   * GroupMappingServiceProvider interface, at this time:
+   *   - org.apache.hadoop.security.JniBasedUnixGroupsNetgroupMapping
+   *   - org.apache.hadoop.security.ShellBasedUnixGroupsNetgroupMapping
+   *
+   */
+  
+  @Test
+  public void testNetgroups () throws IOException{
+  
+    if(!NativeCodeLoader.isNativeCodeLoaded()) {
+      LOG.info("Not testing netgroups, " +
+        "this test only runs when native code is compiled");
+      return;
+    }
+
+    String groupMappingClassName =
+      System.getProperty("TestProxyUsersGroupMapping");
+
+    if(groupMappingClassName == null) {
+      LOG.info("Not testing netgroups, no group mapping class specified, " +
+        "use -DTestProxyUsersGroupMapping=$className to specify " +
+        "group mapping class (must implement GroupMappingServiceProvider " +
+        "interface and support netgroups)");
+      return;
+    }
+
+    LOG.info("Testing netgroups using: " + groupMappingClassName);
+
+    Configuration conf = new Configuration();
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_GROUP_MAPPING,
+      groupMappingClassName);
+
+    conf.set(
+        ProxyUsers.getProxySuperuserGroupConfKey(REAL_USER_NAME),
+        StringUtils.join(",", Arrays.asList(NETGROUP_NAMES)));
+    conf.set(
+        ProxyUsers.getProxySuperuserIpConfKey(REAL_USER_NAME),
+        PROXY_IP);
+    
+    ProxyUsers.refreshSuperUserGroupsConfiguration(conf);
+    Groups groups = Groups.getUserToGroupsMappingService(conf);
+
+    // try proxying a group that's allowed
+    UserGroupInformation realUserUgi = UserGroupInformation
+    .createRemoteUser(REAL_USER_NAME);
+
+    UserGroupInformation proxyUserUgi = UserGroupInformation.createProxyUserForTesting(
+        PROXY_USER_NAME, realUserUgi, groups.getGroups(PROXY_USER_NAME).toArray(
+            new String[groups.getGroups(PROXY_USER_NAME).size()]));
+
+    assertAuthorized(proxyUserUgi, PROXY_IP);
+  }
+
   @Test
   public void testProxyUsers() throws Exception {
     Configuration conf = new Configuration();



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