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From whe...@apache.org
Subject git commit: HDFS-7367. HDFS short-circuit read cannot negotiate shared memory slot and file descriptors when SASL is enabled on DataTransferProtocol. Contributed by Chris Nauroth.
Date Thu, 06 Nov 2014 04:34:30 GMT
Repository: hadoop
Updated Branches:
  refs/heads/branch-2.6 888fc4af4 -> 83ed42fa6


HDFS-7367. HDFS short-circuit read cannot negotiate shared memory slot and file descriptors
when SASL is enabled on DataTransferProtocol. Contributed by Chris Nauroth.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/83ed42fa
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/83ed42fa
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/83ed42fa

Branch: refs/heads/branch-2.6
Commit: 83ed42fa6bf83eb429001a344d6dee9820b9ef4e
Parents: 888fc4a
Author: Haohui Mai <wheat9@apache.org>
Authored: Wed Nov 5 20:29:17 2014 -0800
Committer: Haohui Mai <wheat9@apache.org>
Committed: Wed Nov 5 20:34:25 2014 -0800

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt                     | 4 ++++
 .../hdfs/protocol/datatransfer/sasl/SaslDataTransferServer.java | 5 +++++
 2 files changed, 9 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/83ed42fa/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 53387ed..44b99ca 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -729,6 +729,10 @@ Release 2.6.0 - UNRELEASED
     fails on Windows, because we cannot deny access to the file owner.
     (Chris Nauroth via wheat9)
 
+    HDFS-7367. HDFS short-circuit read cannot negotiate shared memory slot and
+    file descriptors when SASL is enabled on DataTransferProtocol.
+    (Chris Nauroth via wheat9)
+
     BREAKDOWN OF HDFS-6134 AND HADOOP-10150 SUBTASKS AND RELATED JIRAS
   
       HDFS-6387. HDFS CLI admin tool for creating & deleting an

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83ed42fa/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/sasl/SaslDataTransferServer.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/sasl/SaslDataTransferServer.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/sasl/SaslDataTransferServer.java
index 005856d..9f94534 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/sasl/SaslDataTransferServer.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/sasl/SaslDataTransferServer.java
@@ -277,6 +277,11 @@ public class SaslDataTransferServer {
    */
   private IOStreamPair getSaslStreams(Peer peer, OutputStream underlyingOut,
       InputStream underlyingIn, final DatanodeID datanodeId) throws IOException {
+    if (peer.hasSecureChannel() ||
+        dnConf.getTrustedChannelResolver().isTrusted(getPeerAddress(peer))) {
+      return new IOStreamPair(underlyingIn, underlyingOut);
+    }
+
     SaslPropertiesResolver saslPropsResolver = dnConf.getSaslPropsResolver();
     Map<String, String> saslProps = saslPropsResolver.getServerProperties(
       getPeerAddress(peer));


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