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HDFS-3654. TestJspHelper#testGetUgi fails with NPE. Contributed by Eli Collins

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1361463 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins 2012-07-14 01:07:57 +00:00
parent f5dd4583bb
commit 32d4c148df
6 changed files with 24 additions and 15 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -488,6 +488,8 @@ Branch-2 ( Unreleased changes )
HDFS-3609. libhdfs: don't force the URI to look like hdfs://hostname:port.
(Colin Patrick McCabe via eli)
HDFS-3654. TestJspHelper#testGetUgi fails with NPE. (eli)
BREAKDOWN OF HDFS-3042 SUBTASKS
HDFS-2185. HDFS portion of ZK-based FailoverController (todd)

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/JspHelper.java
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@ -538,7 +538,7 @@ public static UserGroupInformation getUGI(ServletContext context,
final String usernameFromQuery = getUsernameFromQuery(request, tryUgiParameter);
final String doAsUserFromQuery = request.getParameter(DoAsParam.NAME);
if(UserGroupInformation.isSecurityEnabled()) {
if (UserGroupInformation.isSecurityEnabled()) {
final String remoteUser = request.getRemoteUser();
String tokenString = request.getParameter(DELEGATION_PARAMETER_NAME);
if (tokenString != null) {
@ -556,7 +556,7 @@ public static UserGroupInformation getUGI(ServletContext context,
DelegationTokenIdentifier id = new DelegationTokenIdentifier();
id.readFields(in);
final NameNode nn = NameNodeHttpServer.getNameNodeFromContext(context);
nn.getNamesystem().verifyToken(id, token.getPassword());
nn.verifyToken(id, token.getPassword());
ugi = id.getUser();
if (ugi.getRealUser() == null) {
//non-proxy case

12
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
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@ -5460,20 +5460,10 @@ public BlockManager getBlockManager() {
return blockManager;
}
/**
* Verifies that the given identifier and password are valid and match.
* @param identifier Token identifier.
* @param password Password in the token.
* @throws InvalidToken
*/
public synchronized void verifyToken(DelegationTokenIdentifier identifier,
byte[] password) throws InvalidToken {
getDelegationTokenSecretManager().verifyToken(identifier, password);
}
public boolean isGenStampInFuture(long genStamp) {
return (genStamp > getGenerationStamp());
}
@VisibleForTesting
public EditLogTailer getEditLogTailer() {
return editLogTailer;

15
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
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@ -51,6 +51,7 @@
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.protocol.ClientProtocol;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NamenodeRole;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption;
import org.apache.hadoop.hdfs.server.common.Storage.StorageDirectory;
@ -78,6 +79,7 @@
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol;
import org.apache.hadoop.security.token.SecretManager.InvalidToken;
import org.apache.hadoop.tools.GetUserMappingsProtocol;
import org.apache.hadoop.util.ServicePlugin;
import org.apache.hadoop.util.StringUtils;
@ -1283,7 +1285,18 @@ private synchronized void doImmediateShutdown(Throwable t)
}
terminate(1, t.getMessage());
}
/**
* Verifies that the given identifier and password are valid and match.
* @param identifier Token identifier.
* @param password Password in the token.
* @throws InvalidToken
*/
public synchronized void verifyToken(DelegationTokenIdentifier identifier,
byte[] password) throws InvalidToken {
namesystem.getDelegationTokenSecretManager().verifyToken(identifier, password);
}
/**
* Class used to expose {@link NameNode} as context to {@link HAState}
*/

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeHttpServer.java
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@ -63,7 +63,7 @@ public class NameNodeHttpServer {
public static final String NAMENODE_ADDRESS_ATTRIBUTE_KEY = "name.node.address";
public static final String FSIMAGE_ATTRIBUTE_KEY = "name.system.image";
protected static final String NAMENODE_ATTRIBUTE_KEY = "name.node";
public static final String NAMENODE_ATTRIBUTE_KEY = "name.node";
public NameNodeHttpServer(
Configuration conf,

4
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/common/TestJspHelper.java
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@ -30,6 +30,7 @@
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
import org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.UserGroupInformation;
@ -69,6 +70,7 @@ public void testGetUgi() throws IOException {
conf.set(DFSConfigKeys.FS_DEFAULT_NAME_KEY, "hdfs://localhost:4321/");
HttpServletRequest request = mock(HttpServletRequest.class);
ServletContext context = mock(ServletContext.class);
NameNode nn = mock(NameNode.class);
String user = "TheDoctor";
Text userText = new Text(user);
DelegationTokenIdentifier dtId = new DelegationTokenIdentifier(userText,
@ -79,6 +81,8 @@ public void testGetUgi() throws IOException {
when(request.getParameter(JspHelper.DELEGATION_PARAMETER_NAME)).thenReturn(
tokenString);
when(request.getRemoteUser()).thenReturn(user);
when(context.getAttribute(
NameNodeHttpServer.NAMENODE_ATTRIBUTE_KEY)).thenReturn(nn);
//Test attribute in the url to be used as service in the token.
when(request.getParameter(JspHelper.NAMENODE_ADDRESS)).thenReturn(