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101 lines
2.8 KiB
Perl
101 lines
2.8 KiB
Perl
#
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# Shorewall 4.4 -- /usr/share/shorewall/Shorewall/Raw.pm
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#
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# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
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#
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# (c) 2009,2010,2011 - Tom Eastep (teastep@shorewall.net)
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#
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# Complete documentation is available at http://shorewall.net
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of Version 2 of the GNU General Public License
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# This module contains the code that handles the /etc/shorewall/notrack file.
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#
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package Shorewall::Raw;
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require Exporter;
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use Shorewall::Config qw(:DEFAULT :internal);
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use Shorewall::IPAddrs;
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use Shorewall::Zones;
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use Shorewall::Chains qw(:DEFAULT :internal);
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use strict;
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our @ISA = qw(Exporter);
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our @EXPORT = qw( setup_notrack );
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our @EXPORT_OK = qw( );
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our $VERSION = 'MODULEVERSION';
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#
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# Notrack
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#
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sub process_notrack_rule( $$$$$$ ) {
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my ($source, $dest, $proto, $ports, $sports, $user ) = @_;
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$proto = '' if $proto eq 'any';
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$ports = '' if $ports eq 'any' || $ports eq 'all';
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$sports = '' if $sports eq 'any' || $sports eq 'all';
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( my $zone, $source) = split /:/, $source, 2;
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my $zoneref = find_zone $zone;
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my $chainref = ensure_raw_chain( notrack_chain $zone );
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my $restriction = $zoneref->{type} == FIREWALL || $zoneref->{type} == VSERVER ? OUTPUT_RESTRICT : PREROUTE_RESTRICT;
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fatal_error 'USER/GROUP is not allowed unless the SOURCE zone is $FW or a Vserver zone' if $user ne '-' && $restriction != OUTPUT_RESTRICT;
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require_capability 'RAW_TABLE', 'Notrack rules', '';
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my $rule = do_proto( $proto, $ports, $sports ) . do_user ( $user );
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expand_rule
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$chainref ,
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$restriction ,
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$rule ,
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$source ,
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$dest ,
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'' ,
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'NOTRACK' ,
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'' ,
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'NOTRACK' ,
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'' ;
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progress_message " Notrack rule \"$currentline\" $done";
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$globals{UNTRACKED} = 1;
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}
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sub setup_notrack() {
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if ( my $fn = open_file 'notrack' ) {
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first_entry "$doing $fn...";
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my $nonEmpty = 0;
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while ( read_a_line ) {
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my ( $source, $dest, $proto, $ports, $sports, $user ) = split_line1 'Notrack File', { source => 0, dest => 1, proto => 2, dport => 3, sport => 4, user => 5 };
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if ( $source eq 'COMMENT' ) {
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process_comment;
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} else {
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process_notrack_rule $source, $dest, $proto, $ports, $sports, $user;
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}
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}
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clear_comment;
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}
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}
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1;
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