From b0a2ea3d33a5650a126e9e0a997b00c881b6ceff Mon Sep 17 00:00:00 2001
From: teastep <teastep@fbd18981-670d-0410-9b5c-8dc0c1a9a2bb>
Date: Wed, 18 Apr 2007 15:49:07 +0000
Subject: [PATCH] Fix for '0' in USER/GROUP column

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@5996 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
---
 Shorewall-perl/Shorewall/Chains.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Shorewall-perl/Shorewall/Chains.pm b/Shorewall-perl/Shorewall/Chains.pm
index 8498a0597..628cb5e45 100644
--- a/Shorewall-perl/Shorewall/Chains.pm
+++ b/Shorewall-perl/Shorewall/Chains.pm
@@ -772,7 +772,7 @@ sub do_user( $ ) {
     my $user = $_[0];
     my $rule = '-m owner ';
 
-    return '' unless $user and $user ne '-';
+    return '' unless defined $user and $user ne '-';
 
     if ( $user =~ /^(!)?(.*)\+(.*)$/ ) {
 	$rule .= "! --cmd-owner $2 " if $2;