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Add IPv6 action.Broadcast

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2011-07-04 07:00:58 -07:00
parent 863881841a
commit 610e742ab5
1 changed files with 71 additions and 0 deletions
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Shorewall6/action.Broadcast Normal file
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#
# Shorewall 4 - Broadcast Action
#
# /usr/share/shorewall/action.Broadcast
#
# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
#
# (c) 2011 - 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.
#
# Broadcast[([<action>|-[,{audit|-}])]
#
# Default action is DROP
#
##########################################################################################
FORMAT 2
DEFAULTS DROP,-
BEGIN PERL;
use Shorewall::IPAddrs;
use Shorewall::Config;
use Shorewall::Chains;
my $chainref = get_action_chain;
my ( $action, $audit ) = get_action_params( 2 );
my ( $level, $tag ) = get_action_logging;
my $target = require_audit ( $action , $audit );
fatal_error "Invalid parameter to action Broadcast" if supplied $audit && $audit ne 'audit';
if ( have_capability( 'ADDRTYPE' ) ) {
if ( $level ne '' ) {
log_rule_limit $level, $chainref, 'dropBcast' , $action, '', $tag, 'add', ' -m addrtype --dst-type BROADCAST ';
log_rule_limit $level, $chainref, 'dropBcast' , $action, '', $tag, 'add', ' -m addrtype --dst-type MULTICAST ';
log_rule_limit $level, $chainref, 'dropBcast' , $action, '', $tag, 'add', ' -m addrtype --dst-type ANYCAST ';
}
add_jump $chainref, $target, 0, "-m addrtype --dst-type BROADCAST ";
add_jump $chainref, $target, 0, "-m addrtype --dst-type MULTICAST ";
add_jump $chainref, $target, 0, "-m addrtype --dst-type ANYCAST ";
} else {
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';
}
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;