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Ensure that zone-specific rules come before 'all' rules.

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2012-11-21 14:20:30 -08:00
parent 952aed225d
commit 54dadcc546
2 changed files with 14 additions and 9 deletions
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5
Shorewall/Perl/Shorewall/Chains.pm
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@ -2492,7 +2492,7 @@ sub initialize_chain_table($) {
);
for my $chain ( qw(OUTPUT PREROUTING) ) {
new_builtin_chain 'raw', $chain, 'ACCEPT';
new_builtin_chain( 'raw', $chain, 'ACCEPT' )->{insert} = 0;
}
new_builtin_chain 'rawpost', 'POSTROUTING', 'ACCEPT';
@ -2538,7 +2538,8 @@ sub initialize_chain_table($) {
);
for my $chain ( qw(OUTPUT PREROUTING) ) {
new_builtin_chain 'raw', $chain, 'ACCEPT';
new_builtin_chain( 'raw', $chain, 'ACCEPT' )->{insert} = 0;
}
new_builtin_chain 'rawpost', 'POSTROUTING', 'ACCEPT';

18
Shorewall/Perl/Shorewall/Misc.pm
View File

@ -1482,10 +1482,11 @@ sub handle_loopback_traffic() {
my @ipsec_match = match_ipsec_in $z1 , $hostref;
for my $net ( @{$hostref->{hosts}} ) {
add_ijump( $rawout,
j => $exclusion ,
imatch_source_net $net,
@ipsec_match );
insert_ijump( $rawout,
j => $exclusion ,
$rawout->{insert}++,
imatch_source_net $net,
@ipsec_match );
}
}
}
@ -1834,6 +1835,7 @@ sub add_prerouting_jumps( $$$$$$$$ ) {
my $dnatref = $nat_table->{dnat_chain( $zone )};
my $preroutingref = $nat_table->{PREROUTING};
my $rawref = $raw_table->{PREROUTING};
my $notrackref = ensure_chain 'raw' , notrack_chain( $zone );
my @ipsec_in_match = match_ipsec_in $zone , $hostref;
@ -1858,15 +1860,17 @@ sub add_prerouting_jumps( $$$$$$$$ ) {
# There are notrack rules with this zone as the source.
# Add a jump from this source network to this zone's notrack chain
#
add_ijump $raw_table->{PREROUTING}, j => source_exclusion( $exclusions, $notrackref), imatch_source_dev( $interface), @source, @ipsec_in_match;
insert_ijump $rawref, j => source_exclusion( $exclusions, $notrackref), $rawref->{insert}++, imatch_source_dev( $interface), @source, @ipsec_in_match;
}
#
# If this zone has parents with DNAT/REDIRECT or notrack rules and there are no CONTINUE polcies with this zone as the source
# then add a RETURN jump for this source network.
#
if ( $nested ) {
add_ijump $preroutingref, j => 'RETURN', imatch_source_dev( $interface), @source, @ipsec_in_match if $parenthasnat;
add_ijump $raw_table->{PREROUTING}, j => 'RETURN', imatch_source_dev( $interface), @source, @ipsec_in_match if $parenthasnotrack;
my $rawref = $raw_table->{PREROUTING};
add_ijump $preroutingref, j => 'RETURN', imatch_source_dev( $interface), @source, @ipsec_in_match if $parenthasnat;
insert_ijump $rawref , j => 'RETURN', $rawref->{insert}++, imatch_source_dev( $interface), @source, @ipsec_in_match if $parenthasnotrack;
}
}