Avoid undefined reference in Shorewall::rules::save_policies

Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2011-07-30 07:04:42 -07:00
parent 9e6fd39145
commit 512273fa91

View File

@ -268,6 +268,7 @@ our $filter_table;
my $comment;
my @comments;
my $export;
my %renamed;
#
# Target Types
@ -499,6 +500,7 @@ sub initialize( $$$ ) {
$nat_table = $chain_table{nat};
$mangle_table = $chain_table{mangle};
$filter_table = $chain_table{filter};
%renamed = ();
#
# Contents of last COMMENT line.
#
@ -1458,7 +1460,8 @@ sub copy_rules( $$;$ ) {
# Name of canonical chain between an ordered pair of zones
#
sub rules_chain ($$) {
join "$config{ZONE2ZONE}", @_;
my $name = join "$config{ZONE2ZONE}", @_;
$renamed{$name} || $name;
}
#
@ -2609,11 +2612,12 @@ sub optimize_level4( $$ ) {
sub optimize_level8( $$$ ) {
my ( $table, $tableref , $passes ) = @_;
my $progress = 1;
my @chains = ( grep $_->{referenced} && ! ( $_->{builtin} || $_->{is_policy} ), values %{$tableref} );
my @chains = ( grep $_->{referenced} && ! $_->{builtin}, values %{$tableref} );
my @chains1 = @chains;
my $chains = @chains;
my $chainseq = 0;
my %renamed;
my %rename;
my %combined;
$passes++;
@ -2648,31 +2652,42 @@ sub optimize_level8( $$$ ) {
if ( $chainref->{digest} eq $chainref1->{digest} ) {
progress_message " Chain $chainref1->{name} combined with $chainref->{name}";
replace_references $chainref1, $chainref->{name}, undef;
$renamed{ $chainref->{name} } = 1 unless $chainref->{name} =~ /^~/;
$rename{ $chainref->{name} } = 1 unless $chainref->{name} =~ /^~/;
$combined{ $chainref1->{name} } = $chainref->{name};
}
}
}
my @renamed = keys %renamed;
my @rename = keys %rename;
if ( @renamed ) {
if ( @rename ) {
#
# First create aliases for each renamed chain and change the {name} member.
#
for my $oldname ( @renamed ) {
for my $oldname ( @rename ) {
my $newname = $renamed{ $oldname } = '~comb' . $chainseq++;
trace( $tableref->{$oldname}, 'RN', 0, " Renamed $newname" ) if $debug;
$tableref->{$newname} = $tableref->{$oldname};
$tableref->{$oldname}{name} = $newname;
progress_message " Chain $oldname renamed to $newname";
}
#
# Next, map the combined names
#
while ( my ( $oldname, $combinedname ) = each %combined ) {
$renamed{$oldname} = $renamed{$combinedname} || $combinedname;
}
#
# Now adjust the references to point to the new name
#
while ( my ($chain, $chainref ) = each %$tableref ) {
my %references = %{$chainref->{references}};
if ( my $newname = $renamed{$chainref->{policychain} || ''} ) {
$chainref->{policychain} = $newname;
}
while ( my ( $chain1, $chainref1 ) = each %references ) {
if ( my $newname = $renamed{$chainref->{references}{$chain1}} ) {
$chainref->{references}{$newname} = $chainref->{references}{$chain1};
@ -2683,7 +2698,7 @@ sub optimize_level8( $$$ ) {
#
# Delete the old names from the table
#
delete $tableref->{$_} for @renamed;
delete $tableref->{$_} for @rename;
#
# And fix up the rules
#