#
# Shorewall -- /usr/share/shorewall/action.Multicast
#
# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
#
# (c) 2011-2016 Tom Eastep (teastep@shorewall.net)
#
# Complete documentation is available at http://shorewall.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of Version 2 of the GNU General Public License
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Multicast[([<action>|-[,{audit|-}])]
#
# Default action is DROP
#
###############################################################################

DEFAULTS DROP,-

?if __ADDRTYPE
    @1	-	-	-	;; -m addrtype --dst-type MULTICAST
?else
    ?begin perl;

    use Shorewall::IPAddrs;
    use Shorewall::Config;
    use Shorewall::Chains;

    my ( $action )         = get_action_params( 1 );
    my $chainref           = get_action_chain;
    my ( $level, $tag )    = get_action_logging;

    fatal_error "Invalid parameter to action Broadcast"	  if supplied $audit && $audit ne 'audit';

    my $target		   = require_audit ( $action , $audit );

    if ( $family == F_IPv4 ) {
        log_rule_limit $level, $chainref, 'Multicast' , $action, '', $tag, 'add', ' -d 224.0.0.0/4 ' if $level ne '';
        add_jump $chainref, $action, 0, '-d 224.0.0.0/4 ';
    } else {
        log_rule_limit( $level, $chainref, 'Broadcast' , $action, '', $tag, 'add', join( ' ', '-d', IPv6_MULTICAST . ' ' ) )  if $level ne '';
        add_jump $chainref, $target, 0, join( ' ', '-d', IPv6_MULTICAST . ' ' );
    }

    1;

    ?end perl;
?endif