On 02/24/2013 06:53 AM, Steven Jan Springl wrote:

> Shorewall6 snat entry:
> 
> eth0()  2001:1:1:1::1  &eth0
> 
> produces the following message:
> 
> Use of uninitialized value $provider_number in numeric eq (==) at 
> /usr/share/shorewall/Shorewall/Providers.pm line 1706, <$currentfile> line 10.

This issue is not unique to Shorewall6 -- would also occur using
Shorewall. Patch attached.

Thanks Steven,
-Tom
-- 
Tom Eastep        \ When I die, I want to go like my Grandfather who
Shoreline,         \ died peacefully in his sleep. Not screaming like
Washington, USA     \ all of the passengers in his car
http://shorewall.net \________________________________________________
diff --git a/Shorewall/Perl/Shorewall/Nat.pm b/Shorewall/Perl/Shorewall/Nat.pm
index 0eea857..db4476c 100644
--- a/Shorewall/Perl/Shorewall/Nat.pm
+++ b/Shorewall/Perl/Shorewall/Nat.pm
@@ -140,6 +140,9 @@ sub process_one_masq1( $$$$$$$$$$ )
 	if ( $interface =~ /(.*)[(](\w*)[)]$/ ) {
 	    $interface = $1;
 	    my $provider  = $2;
+	    
+	    fatal_error "Missing Provider ($fullinterface)" unless supplied $provider;
+
 	    $fullinterface =~ s/[(]\w*[)]//;
 	    my $realm = lookup_provider( $provider );
 

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