Author: shv
Date: Tue Jun 5 05:28:58 2012
New Revision: 1346241
URL: http://svn.apache.org/viewvc?rev=1346241&view=rev
Log:
HADOOP-7215. RPC clients must use network interface corresponding to the host
in the client's kerberos principal key. Contributed by Suresh Srinivas and
Benoy Antony.
Modified:
hadoop/common/branches/branch-0.22/common/CHANGES.txt
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/ipc/Client.java
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/net/NetUtils.java
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/security/SecurityUtil.java
hadoop/common/branches/branch-0.22/common/src/test/core/org/apache/hadoop/security/TestSecurityUtil.java
Modified: hadoop/common/branches/branch-0.22/common/CHANGES.txt
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.22/common/CHANGES.txt?rev=1346241&r1=1346240&r2=1346241&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.22/common/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.22/common/CHANGES.txt Tue Jun 5 05:28:58
2012
@@ -40,6 +40,10 @@ Release 0.22.1 - Unreleased
HADOOP-7272. Remove unnecessary security related info logs.
(Suresh Srinivas and Benoy Antony via shv)
+ HADOOP-7215. RPC clients must use network interface corresponding to
+ the host in the client's kerberos principal key.
+ (Suresh Srinivas and Benoy Antony via shv)
+
Release 0.22.0 - 2011-11-29
INCOMPATIBLE CHANGES
Modified:
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/ipc/Client.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/ipc/Client.java?rev=1346241&r1=1346240&r2=1346241&view=diff
==============================================================================
---
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/ipc/Client.java
(original)
+++
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/ipc/Client.java
Tue Jun 5 05:28:58 2012
@@ -32,7 +32,7 @@ import java.io.BufferedOutputStream;
import java.io.FilterInputStream;
import java.io.InputStream;
import java.io.OutputStream;
-
+import java.net.InetAddress;
import java.security.PrivilegedExceptionAction;
import java.util.Hashtable;
import java.util.Iterator;
@@ -412,6 +412,27 @@ public class Client {
try {
this.socket = socketFactory.createSocket();
this.socket.setTcpNoDelay(tcpNoDelay);
+
+ /*
+ * Bind the socket to the host specified in the principal name of the
+ * client, to ensure Server matching address of the client connection
+ * to host name in principal passed.
+ */
+ if (UserGroupInformation.isSecurityEnabled()) {
+ KerberosInfo krbInfo =
+ remoteId.getProtocol().getAnnotation(KerberosInfo.class);
+ if (krbInfo != null && krbInfo.clientPrincipal() != null) {
+ String host =
+
SecurityUtil.getHostFromPrincipal(remoteId.getTicket().getUserName());
+
+ // If host name is a valid local address then bind socket to it
+ InetAddress localAddr = NetUtils.getLocalInetAddress(host);
+ if (localAddr != null) {
+ this.socket.bind(new InetSocketAddress(localAddr, 0));
+ }
+ }
+ }
+
// connection time out is 20s
NetUtils.connect(this.socket, remoteId.getAddress(), 20000);
if (rpcTimeout > 0) {
Modified:
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/net/NetUtils.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/net/NetUtils.java?rev=1346241&r1=1346240&r2=1346241&view=diff
==============================================================================
---
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/net/NetUtils.java
(original)
+++
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/net/NetUtils.java
Tue Jun 5 05:28:58 2012
@@ -22,8 +22,10 @@ import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
+import java.net.NetworkInterface;
import java.net.Socket;
import java.net.SocketAddress;
+import java.net.SocketException;
import java.net.URI;
import java.net.UnknownHostException;
import java.net.ConnectException;
@@ -250,7 +252,7 @@ public class NetUtils {
* case, the timeout argument is ignored and the timeout set with
* {@link Socket#setSoTimeout(int)} applies for reads.<br><br>
*
- * Any socket created using socket factories returned by {@link #NetUtils},
+ * Any socket created using socket factories returned by {@link NetUtils},
* must use this interface instead of {@link Socket#getInputStream()}.
*
* @see #getInputStream(Socket, long)
@@ -272,7 +274,7 @@ public class NetUtils {
* case, the timeout argument is ignored and the timeout set with
* {@link Socket#setSoTimeout(int)} applies for reads.<br><br>
*
- * Any socket created using socket factories returned by {@link #NetUtils},
+ * Any socket created using socket factories returned by {@link NetUtils},
* must use this interface instead of {@link Socket#getInputStream()}.
*
* @see Socket#getChannel()
@@ -301,7 +303,7 @@ public class NetUtils {
* case, the timeout argument is ignored and the write will wait until
* data is available.<br><br>
*
- * Any socket created using socket factories returned by {@link #NetUtils},
+ * Any socket created using socket factories returned by {@link NetUtils},
* must use this interface instead of {@link Socket#getOutputStream()}.
*
* @see #getOutputStream(Socket, long)
@@ -323,7 +325,7 @@ public class NetUtils {
* case, the timeout argument is ignored and the write will wait until
* data is available.<br><br>
*
- * Any socket created using socket factories returned by {@link #NetUtils},
+ * Any socket created using socket factories returned by {@link NetUtils},
* must use this interface instead of {@link Socket#getOutputStream()}.
*
* @see Socket#getChannel()
@@ -460,4 +462,27 @@ public class NetUtils {
try {return "" + InetAddress.getLocalHost();}
catch(UnknownHostException uhe) {return "" + uhe;}
}
+
+ /**
+ * Checks if {@code host} is a local host name and return {@link InetAddress}
+ * corresponding to that address.
+ *
+ * @param host the specified host
+ * @return a valid local {@link InetAddress} or null
+ * @throws SocketException if an I/O error occurs
+ */
+ public static InetAddress getLocalInetAddress(String host)
+ throws SocketException {
+ if (host == null) {
+ return null;
+ }
+ InetAddress addr = null;
+ try {
+ addr = InetAddress.getByName(host);
+ if (NetworkInterface.getByInetAddress(addr) == null) {
+ addr = null; // Not a local address
+ }
+ } catch (UnknownHostException ignore) { }
+ return addr;
+ }
}
Modified:
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/security/SecurityUtil.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/security/SecurityUtil.java?rev=1346241&r1=1346240&r2=1346241&view=diff
==============================================================================
---
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/security/SecurityUtil.java
(original)
+++
hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/security/SecurityUtil.java
Tue Jun 5 05:28:58 2012
@@ -282,4 +282,13 @@ public class SecurityUtil {
sb.append(host).append(":").append(port);
return sb.toString();
}
+
+ /**
+ * Get the host name from the principal name of format <service>/host@realm.
+ * @param principalName principal name of format as described above
+ * @return host name if the the string conforms to the above format, else
null
+ */
+ public static String getHostFromPrincipal(String principalName) {
+ return new KerberosName(principalName).getHostName();
+ }
}
Modified:
hadoop/common/branches/branch-0.22/common/src/test/core/org/apache/hadoop/security/TestSecurityUtil.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.22/common/src/test/core/org/apache/hadoop/security/TestSecurityUtil.java?rev=1346241&r1=1346240&r2=1346241&view=diff
==============================================================================
---
hadoop/common/branches/branch-0.22/common/src/test/core/org/apache/hadoop/security/TestSecurityUtil.java
(original)
+++
hadoop/common/branches/branch-0.22/common/src/test/core/org/apache/hadoop/security/TestSecurityUtil.java
Tue Jun 5 05:28:58 2012
@@ -115,4 +115,12 @@ public class TestSecurityUtil {
}
assertTrue("Exception for empty keytabfile name was expected",
gotException);
}
+
+ @Test
+ public void testGetHostFromPrincipal() {
+ assertEquals("host",
+ SecurityUtil.getHostFromPrincipal("service/host@realm"));
+ assertEquals(null,
+ SecurityUtil.getHostFromPrincipal("service@realm"));
+ }
}
