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Rename combined chains created by optimization level 8

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2011-07-22 14:12:03 -07:00
parent 22463e451d
commit 5764e7899b
1 changed files with 56 additions and 0 deletions
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56
Shorewall/Perl/Shorewall/Chains.pm
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@ -2598,6 +2598,9 @@ sub optimize_level8( $$$ ) {
my @chains = ( grep $_->{referenced} && ! $_->{builtin}, values %{$tableref} );
my @chains1 = @chains;
my $chains = @chains;
my $chainseq = 0;
my %renamed;
$passes++;
@ -2629,6 +2632,59 @@ sub optimize_level8( $$$ ) {
}
replace_references $chainref1, $chainref->{name}, undef;
$renamed{ $chainref->{name} } = 1 unless $chainref->{name} =~ /^~/;
}
}
if ( keys %renamed ) {
#
# First create aliases for each renamed chain and change the {name} member.
#
my $step1 = 1;
for my $oldname ( keys %renamed ) {
my $newname = $renamed{ $oldname } = '~opt-' . $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";
}
#
# Now adjust the references to point to the new name
#
my $step2 = 2;
while ( my ($chain, $chainref ) = each %$tableref ) {
my %references = %{$chainref->{references}};
while ( my ( $chain1, $chainref1 ) = each %references ) {
if ( my $newname = $renamed{$chainref->{references}{$chain1}} ) {
$chainref->{references}{$newname} = $chainref->{references}{$chain1};
delete $chainref->{references}{$chain1};
}
}
}
#
# Delete the old names from the table
#
my $step3 = 3;
delete $tableref->{$_} for keys %renamed;
#
# And fix up the rules
#
for my $chainref ( values %$tableref ) {
my $rulenum = 0;
for ( @{$chainref->{rules}} ) {
$rulenum++;
if ( my $newname = $renamed{$_->{target}} ) {
$_->{target} = $newname;
trace( $chainref, 'R', $rulenum, $_ ) if $debug;
}
}
}
}