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From e..@apache.org
Subject svn commit: r1390841 - /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
Date Thu, 27 Sep 2012 05:03:43 GMT
Author: eli
Date: Thu Sep 27 05:03:42 2012
New Revision: 1390841

URL: http://svn.apache.org/viewvc?rev=1390841&view=rev
Log:
HADOOP-8855. SSL-based image transfer does not work when Kerberos is disabled. Contributed
by Todd Lipcon

Modified:
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java?rev=1390841&r1=1390840&r2=1390841&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
Thu Sep 27 05:03:42 2012
@@ -20,6 +20,7 @@ package org.apache.hadoop.hdfs.tools;
 import java.io.File;
 import java.io.IOException;
 import java.net.InetSocketAddress;
+import java.security.PrivilegedExceptionAction;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -53,6 +54,7 @@ import org.apache.hadoop.ipc.RPC;
 import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.net.NetUtils;
 import org.apache.hadoop.security.RefreshUserMappingsProtocol;
+import org.apache.hadoop.security.SecurityUtil;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol;
 import org.apache.hadoop.util.StringUtils;
@@ -511,11 +513,17 @@ public class DFSAdmin extends FsShell {
    * @return an exit code indicating success or failure.
    * @throws IOException
    */
-  public int fetchImage(String[] argv, int idx) throws IOException {
-    String infoServer = DFSUtil.getInfoServer(
+  public int fetchImage(final String[] argv, final int idx) throws IOException {
+    final String infoServer = DFSUtil.getInfoServer(
         HAUtil.getAddressOfActive(getDFS()), getConf(), false);
-    TransferFsImage.downloadMostRecentImageToDirectory(infoServer,
-        new File(argv[idx]));
+    SecurityUtil.doAsCurrentUser(new PrivilegedExceptionAction<Void>() {
+      @Override
+      public Void run() throws Exception {
+        TransferFsImage.downloadMostRecentImageToDirectory(infoServer,
+            new File(argv[idx]));
+        return null;
+      }
+    });
     return 0;
   }
 



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