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Detect double exclusion in ipset expressions

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This commit is contained in:
Tom Eastep 2011-05-03 13:24:41 -07:00
parent 953c7db1c4
commit e7831d5a15
1 changed files with 10 additions and 2 deletions
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12
Shorewall/Perl/Shorewall/Chains.pm
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@ -3230,9 +3230,13 @@ sub addnatjump( $$$ ) {
# where an element of the list might be +ipset[flag,...] or +[ipset[flag,...],...]
#
sub mysplit( $ ) {
my @input = split_list $_[0], 'host';
my $input = $_[0];
return @input unless $_[0] =~ /\[/;
my @input = split_list $input, 'host';
return @input unless $input =~ /\[/;
my $exclude = 0;
my @result;
@ -3245,7 +3249,11 @@ sub mysplit( $ ) {
$element .= ( ',' . shift @input );
}
fatal_error "Invalid host list ($input)" if $exclude && $element =~ /!/;
$exclude ||= $element =~ /^!/ || $element =~ /\]!/;
fatal_error "Mismatched [...] ($element)" unless $element =~ tr/[/[/ == $element =~ tr/]/]/;
} else {
$exclude ||= $element =~ /!/;
}
push @result, $element;