shorewall_code/Shorewall/Actions/action.Broadcast
Matt Darfeuille 53495ec0a8
Point exclusively to shorewall.org
Signed-off-by: Matt Darfeuille <matdarf@gmail.com>
Signed-off-by: Tom Eastep <teastep@shorewall.net>
2019-03-25 11:35:00 -07:00

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#
# Shorewall -- /usr/share/shorewall/action.Broadcast
#
# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
#
# (c) 2011-2017 Tom Eastep (teastep@shorewall.net)
#
# Complete documentation is available at http://shorewall.org
#
# 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.
#
# Broadcast[([<action>|[,{audit|-}])]
#
# Default action is DROP
#
###############################################################################
DEFAULTS DROP,-
?if __ADDRTYPE
@1 - - - ;; -m addrtype --dst-type BROADCAST
@1 - - - ;; -m addrtype --dst-type ANYCAST
?else
?begin perl;
use strict;
use Shorewall::IPAddrs;
use Shorewall::Config;
use Shorewall::Chains;
my ( $action, $audit ) = get_action_params( 2 );
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 ) {
add_commands $chainref, 'for address in $ALL_BCASTS; do';
} elsif ($family == F_IPV6 ) {
add_commands $chainref, 'for address in $ALL_ACASTS; do';
}
incr_cmd_level $chainref;
log_rule_limit $level, $chainref, 'Broadcast' , $action, '', $tag, 'add', ' -d $address ' if $level ne '';
add_jump $chainref, $target, 0, "-d \$address ";
decr_cmd_level $chainref;
add_commands $chainref, 'done';
1;
?end perl;
?endif