Author: brandonli
Date: Tue Jul 22 21:00:17 2014
New Revision: 1612705

URL: http://svn.apache.org/r1612705
Log:
HDFS-6703. Merging change r1612702 from trunk

Added:
    
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs-nfs/src/test/java/org/apache/hadoop/hdfs/nfs/nfs3/TestClientAccessPrivilege.java
      - copied unchanged from r1612702, 
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs-nfs/src/test/java/org/apache/hadoop/hdfs/nfs/nfs3/TestClientAccessPrivilege.java
Modified:
    
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/RpcProgramNfs3.java
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

Modified: 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/RpcProgramNfs3.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/RpcProgramNfs3.java?rev=1612705&r1=1612704&r2=1612705&view=diff
==============================================================================
--- 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/RpcProgramNfs3.java
 (original)
+++ 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/RpcProgramNfs3.java
 Tue Jul 22 21:00:17 2014
@@ -1051,8 +1051,12 @@ public class RpcProgramNfs3 extends RpcP
   
   @Override
   public REMOVE3Response remove(XDR xdr, RpcInfo info) {
+    return remove(xdr, getSecurityHandler(info), info.remoteAddress());
+  }
+ 
+  @VisibleForTesting
+  REMOVE3Response remove(XDR xdr, SecurityHandler securityHandler, 
SocketAddress remoteAddress) {
     REMOVE3Response response = new REMOVE3Response(Nfs3Status.NFS3_OK);
-    SecurityHandler securityHandler = getSecurityHandler(info);
     DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
     if (dfsClient == null) {
       response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
@@ -1083,17 +1087,19 @@ public class RpcProgramNfs3 extends RpcP
         return new REMOVE3Response(Nfs3Status.NFS3ERR_STALE);
       }
 
+      WccData errWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
+          preOpDirAttr);
+      if (!checkAccessPrivilege(remoteAddress, AccessPrivilege.READ_WRITE)) {
+        return new REMOVE3Response(Nfs3Status.NFS3ERR_ACCES, errWcc);
+      }
+
       String fileIdPath = dirFileIdPath + "/" + fileName;
       HdfsFileStatus fstat = Nfs3Utils.getFileStatus(dfsClient, fileIdPath);
       if (fstat == null) {
-        WccData dirWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
-            preOpDirAttr);
-        return new REMOVE3Response(Nfs3Status.NFS3ERR_NOENT, dirWcc);
+        return new REMOVE3Response(Nfs3Status.NFS3ERR_NOENT, errWcc);
       }
       if (fstat.isDir()) {
-        WccData dirWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr),
-            preOpDirAttr);
-        return new REMOVE3Response(Nfs3Status.NFS3ERR_ISDIR, dirWcc);
+        return new REMOVE3Response(Nfs3Status.NFS3ERR_ISDIR, errWcc);
       }
 
       boolean result = dfsClient.delete(fileIdPath, false);

Modified: 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1612705&r1=1612704&r2=1612705&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt 
(original)
+++ hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt 
Tue Jul 22 21:00:17 2014
@@ -639,6 +639,9 @@ Release 2.5.0 - UNRELEASED
     HDFS-6632. Reintroduce dfs.http.port / dfs.https.port in branch-2.
     (Yongjun Zhang via wheat9)
 
+    HDFS-6703. NFS: Files can be deleted from a read-only mount
+    (Srikanth Upputuri via brandonli)
+
   BREAKDOWN OF HDFS-2006 SUBTASKS AND RELATED JIRAS
 
     HDFS-6299. Protobuf for XAttr and client-side implementation. (Yi Liu via 
umamahesh)


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