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Revert HDFS-3639. JspHelper#getUGI should always verify the token if security is enabled. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1362765 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins 2012-07-18 05:16:50 +00:00
parent 3f4826881d
commit ab129035bf
2 changed files with 9 additions and 5 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -339,9 +339,6 @@ Release 2.0.1-alpha - UNRELEASED
HDFS-3615. Two BlockTokenSecretManager findbugs warnings. (atm)
HDFS-3639. JspHelper#getUGI should always verify the token if
security is enabled. (eli)
HDFS-470. libhdfs should handle 0-length reads from FSInputStream
correctly. (Colin Patrick McCabe via eli)

7
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/JspHelper.java
View File

@ -44,6 +44,7 @@ import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.BlockReader;
import org.apache.hadoop.hdfs.BlockReaderFactory;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
@ -58,6 +59,7 @@ import org.apache.hadoop.hdfs.web.resources.DelegationParam;
import org.apache.hadoop.hdfs.web.resources.DoAsParam;
import org.apache.hadoop.hdfs.web.resources.UserParam;
import org.apache.hadoop.http.HtmlQuoting;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.SecurityUtil;
@ -557,8 +559,13 @@ public class JspHelper {
DataInputStream in = new DataInputStream(buf);
DelegationTokenIdentifier id = new DelegationTokenIdentifier();
id.readFields(in);
if (context != null) {
final NameNode nn = NameNodeHttpServer.getNameNodeFromContext(context);
if (nn != null) {
// Verify the token.
nn.getNamesystem().verifyToken(id, token.getPassword());
}
}
ugi = id.getUser();
if (ugi.getRealUser() == null) {
//non-proxy case