Set umask to 0077 before creating disk images

bin/xen-create-image

@@ -2479,9 +2479,17 @@ sub createLoopbackImages
             $image_cmd = "dd if=/dev/zero of=$disk bs=$size count=1024";
         }
 
+        # Set the umask so that the images are not world readable.
+        my $oldumask = umask;
+        umask(0077);
+
+        # run the image creation command
         runCommand( $image_cmd );
         logprint( "Done\n" );
 
+        # Reset the umask to the previous value
+        umask($oldumask);
+
         if ( ! -e $disk )
         {
             logprint( "The partition image creation failed to create $disk.\n" );

debian/changelog

@@ -1,3 +1,10 @@
+xen-tools (3.9-4+lenny1) stable; urgency=low
+
+  * Set umask to 0077 before creating disk images (Closes: #548909)
+    (Cherry-picked dfbf591 from master branch)
+
+ --
+
 xen-tools (3.9-4) unstable; urgency=high
 
   * Changed two defaults in xen-tools.conf to conform