Author: sijskes
Date: Mon Oct 22 16:20:43 2012
New Revision: 1400937
URL: http://svn.apache.org/viewvc?rev=1400937&view=rev
Log:
added permission check.
Modified:
river/jtsk/trunk/src/org/apache/river/config/LocalHostLookup.java
Modified: river/jtsk/trunk/src/org/apache/river/config/LocalHostLookup.java
URL:
http://svn.apache.org/viewvc/river/jtsk/trunk/src/org/apache/river/config/LocalHostLookup.java?rev=1400937&r1=1400936&r2=1400937&view=diff
==============================================================================
--- river/jtsk/trunk/src/org/apache/river/config/LocalHostLookup.java (original)
+++ river/jtsk/trunk/src/org/apache/river/config/LocalHostLookup.java Mon Oct
22 16:20:43 2012
@@ -20,6 +20,8 @@ package org.apache.river.config;
import java.net.InetAddress;
import java.net.UnknownHostException;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.river.common.Beta;
@@ -52,17 +54,29 @@ public class LocalHostLookup
private static synchronized LocalHostLookupProvider getProvider()
{
if( provider == null ) {
- setProvider( new DefaultLocalHostLookupProvider() );
+ AccessController.doPrivileged( new PrivilegedAction<Object>() {
+ @Override
+ public Object run()
+ {
+ setProvider( new DefaultLocalHostLookupProvider() );
+ return null; // nothing to return
+ }
+ });
}
return provider ;
}
public static synchronized void setProvider(LocalHostLookupProvider prvdr )
{
+ SecurityManager sm = System.getSecurityManager();
+ if (sm != null) {
+ sm.checkPermission( new
RuntimePermission("setLocalHostLookupProvider") );
+ }
+
if( LocalHostLookup.provider != null ) {
throw new RuntimeException( "provider already set" );
}
-
+
LocalHostLookup.provider = prvdr ;
try {
