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Modify TCP-specific actions to use + in inline_matches

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2016-03-12 17:01:52 -08:00
parent 90ace544eb
commit 33343aaf17
3 changed files with 35 additions and 77 deletions
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50
Shorewall/action.NotSyn
View File

@ -1,27 +1,8 @@
#
# Shorewall 4 - NotSyn Action
# Shorewall - NotSyn Action
#
# /usr/share/shorewall/action.NotSyn
#
# 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.
#
# NotSyn[([<action>])]
#
# Default action is DROP
@ -30,23 +11,14 @@
DEFAULTS DROP,-
?begin perl;
?if @2 ne '' && @2 ne '-'
?if @2 eq 'audit'
DEFAULTS A_DROP,-
?else
?error The second parameter to NotSyn must be 'audit' or '-'
?endif
?else
DEFAULTS DROP,-
?endif
use strict;
use Shorewall::IPAddrs;
use Shorewall::Config;
use Shorewall::Chains;
use Shorewall::Rules;
my ( $action, $audit ) = get_action_params( 2 );
if ( supplied $audit ) {
fatal_error "Invalid parameter ($audit) to action NotSyn" if $audit ne 'audit';
$action = "A_$action";
}
perl_action_tcp_helper( $action, '-p 6 ! --syn' );
1;
?end perl;
@1 - - ;;+ -p 6 ! --syn

27
Shorewall/action.RST
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@ -30,21 +30,14 @@
DEFAULTS DROP,-
?begin perl;
?if @2 ne '' && @2 ne '-'
?if @2 eq 'audit'
DEFAULTS A_DROP,-
?else
?error The second parameter to NotSyn must be 'audit' or '-'
?endif
?else
DEFAULTS DROP,-
?endif
use Shorewall::Config;
use Shorewall::Chains;
use Shorewall::Rules;
my ( $action, $audit ) = get_action_params( 2 );
if ( supplied $audit ) {
fatal_error "Invalid parameter ($audit) to action RST" if $audit ne 'audit';
$action = "A_$action";
}
perl_action_tcp_helper( $action, '-p 6 --tcp-flags RST RST' );
1;
?end perl;
@1 - - - ;;+ -p 6 --tcp-flags RST RST

35
Shorewall/action.TCPFlags
View File

@ -12,28 +12,21 @@
DEFAULTS -
?begin perl;
use strict;
use Shorewall::Config qw(:DEFAULT F_IPV4 F_IPV6);
use Shorewall::Chains;
use Shorewall::Rules;
?if @1 ne '' && @1 ne '-'
?if @1 eq 'audit'
?set tcpflags_action A_DROP
?else
?error The parameter to TCPFlags must be 'audit' or '-'
?endif
?else
?set tcpflags_action DROP
?endif
my $action = 'DROP';
my ( $audit ) = get_action_params( 1 );
if ( supplied $audit ) {
fatal_error "Invalid parameter ($audit) to action TCPFlags" if $audit ne 'audit';
$action = "A_DROP";
}
perl_action_tcp_helper( $action, '-p tcp --tcp-flags ALL FIN,URG,PSH' );
perl_action_tcp_helper( $action, '-p tcp --tcp-flags ALL NONE' );
perl_action_tcp_helper( $action, '-p tcp --tcp-flags SYN,RST SYN,RST' );
perl_action_tcp_helper( $action, '-p tcp --tcp-flags SYN,FIN SYN,FIN' );
perl_action_tcp_helper( $action, '-p tcp --syn --sport 0' );
?end perl;
$tcpflags_action - - ;;+ -p 6 --tcp-flags ALL FIN,URG,PSH
$tcpflags_action - - ;;+ -p 6 --tcp-flags ALL NONE
$tcpflags_action - - ;;+ -p 6 --tcp-flags SYN,RST SYN,RST
$tcpflags_action - - ;;+ -p 6 --tcp-flags SYN,FIN SYN,FIN
$tcpflags_action - - ;;+ -p tcp --syn --sport 0