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Fixes for GeoIP

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- Correct check for valid ACTION
- Add to Shorewall6/actions.std
- Only use geoip once per invocation

Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2012-05-15 11:14:28 -07:00
parent 63ae00e4a4
commit 17e25932f0
2 changed files with 19 additions and 6 deletions
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24
Shorewall/action.GeoIP
View File

@ -38,7 +38,8 @@ DEFAULTS -,-,src,-
BEGIN PERL;
use Shorewall::Chains;
use strict;
use Shorewall::Chains qw(:DEFAULT :internal);
my ( $countries, $action, $srcdst, $audit ) = get_action_params( 4 );
@ -300,21 +301,32 @@ my $chainref = get_action_chain;
my ( $level, $tag ) = get_action_logging;
my $target = require_audit ( $action , $audit );
fatal_error "Either an action or a log level must be specified" unless $target || $level ne '';
$countries =~ s/\|/,/g;
my @countries = split_list $countries, 'cc';
for ( split_list $countries, 'cc' ) {
for ( @countries ) {
fatal_error "Unknown ISO 3661 Country Code ($_)" unless $isocodes{$_};
}
log_rule_limit $level, $chainref, 'GeoIP' , $target ? $target : 'LOG' , '', $tag, 'add', "-m geoip --${srcdst}-cc $countries" if $level ne '';
$tag = $countries[0] unless $tag || @countries > 1;
if ( $target ne '' ) {
my $targettype = $targets{$target} || 0;
fatal_error "Unknown ACTION ($target)" unless $targettype;
fatal_error "The $target action may not be passed to GeoIP" unless $targettype | (STANDARD | CHAIN );
fatal_error "The $target action may not be passed to GeoIP" if ( ! $targettype & (STANDARD | CHAIN | ACTION ) ) || ( $targettype & ( NATRULE | NONAT ) );
if ( $level ne '' ) {
my $chain1ref = ensure_filter_chain( newlogchain('filter' ), 0 );
log_rule_limit $level, $chain1ref, $chainref->{name}, $target ? $target : 'LOG' , '', $tag, 'add', '';
add_ijump( $chain1ref, j => $target );
$target = $chain1ref->{name};
}
add_ijump $chainref , j => $target, geoip => "--${srcdst}-cc $countries";
} elsif ( $level ne '' ) {
log_rule_limit $level, $chainref, 'GeoIP' , $target ? $target : 'LOG' , '', $tag, 'add', "-m geoip --${srcdst}-cc $countries";
} else {
fatal_error "Either an action or a log level must be specified";
}
allow_optimize( $chainref );

1
Shorewall6/actions.std
View File

@ -26,6 +26,7 @@ AllowICMPs # Accept needed ICMP6 types
Broadcast # Handles Broadcast/Multicast/Anycast
Drop # Default Action for DROP policy
DropSmurfs # Handles packets with a broadcast source address
GeoIP # Match packets by ISO 3166 Country Code
Invalid # Handles packets in the INVALID conntrack state
NotSyn # Handles TCP packets that do not have SYN=1 and ACK=0
Reject # Default Action for REJECT policy