Some little bugfixes to current codebase
[people/pmueller/ipfire-2.x.git] / config / outgoingfw / outgoingfw.pl
CommitLineData
dba3aa2b 1#!/usr/bin/perl
70df8302
MT
2###############################################################################
3# #
4# IPFire.org - A linux based firewall #
fdeaa057 5# Copyright (C) 2005-2010 IPTifre Team #
70df8302
MT
6# #
7# This program is free software: you can redistribute it and/or modify #
8# it under the terms of the GNU General Public License as published by #
9# the Free Software Foundation, either version 3 of the License, or #
10# (at your option) any later version. #
11# #
12# This program is distributed in the hope that it will be useful, #
13# but WITHOUT ANY WARRANTY; without even the implied warranty of #
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15# GNU General Public License for more details. #
16# #
17# You should have received a copy of the GNU General Public License #
18# along with this program. If not, see <http://www.gnu.org/licenses/>. #
19# #
20###############################################################################
21
ebb9187c
MT
22
23use strict;
24# enable only the following on debugging purpose
25#use warnings;
26
27require '/var/ipfire/general-functions.pl';
28
29my %outfwsettings = ();
30my %checked = ();
31my %selected= () ;
32my %netsettings = ();
33my $errormessage = "";
34my $configentry = "";
35my @configs = ();
36my @configline = ();
37my $p2pentry = "";
38my @p2ps = ();
39my @p2pline = ();
ebb9187c 40my $CMD = "";
b4f8d26c
MT
41my $P2PSTRING = "";
42
ebb9187c
MT
43my $DEBUG = 0;
44
45my $configfile = "/var/ipfire/outgoing/rules";
46my $p2pfile = "/var/ipfire/outgoing/p2protocols";
47
ebb9187c
MT
48### Values that have to be initialized
49$outfwsettings{'ACTION'} = '';
50$outfwsettings{'VALID'} = 'yes';
51$outfwsettings{'EDIT'} = 'no';
52$outfwsettings{'NAME'} = '';
53$outfwsettings{'SNET'} = '';
54$outfwsettings{'SIP'} = '';
55$outfwsettings{'SPORT'} = '';
56$outfwsettings{'SMAC'} = '';
57$outfwsettings{'DIP'} = '';
58$outfwsettings{'DPORT'} = '';
59$outfwsettings{'PROT'} = '';
60$outfwsettings{'STATE'} = '';
61$outfwsettings{'DISPLAY_DIP'} = '';
62$outfwsettings{'DISPLAY_DPORT'} = '';
63$outfwsettings{'DISPLAY_SMAC'} = '';
64$outfwsettings{'DISPLAY_SIP'} = '';
65$outfwsettings{'POLICY'} = 'MODE0';
39008af7 66
fdeaa057 67my @SOURCE = "";
ebb9187c
MT
68my $SOURCE = "";
69my $DESTINATION = "";
fdeaa057 70my @PROTO = "";
ebb9187c
MT
71my $PROTO = "";
72my $DPORT = "";
73my $DEV = "";
74my $MAC = "";
75my $POLICY = "";
76my $DO = "";
39008af7 77my $DAY = "";
ebb9187c
MT
78
79# read files
80&General::readhash("${General::swroot}/outgoing/settings", \%outfwsettings);
81&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
82
ed828642 83$netsettings{'RED_DEV'}=`cat /var/ipfire/red/iface`;
39008af7 84$netsettings{'RED_IP'}=`cat /var/ipfire/red/local-ipaddress`;
ed828642 85
ebb9187c
MT
86open( FILE, "< $configfile" ) or die "Unable to read $configfile";
87@configs = <FILE>;
88close FILE;
89
b4f8d26c 90if ( $outfwsettings{'POLICY'} eq 'MODE1' ) {
ebb9187c
MT
91 $outfwsettings{'STATE'} = "ALLOW";
92 $POLICY = "DROP";
4cb74dce 93 $DO = "ACCEPT";
ebb9187c
MT
94} elsif ( $outfwsettings{'POLICY'} eq 'MODE2' ) {
95 $outfwsettings{'STATE'} = "DENY";
96 $POLICY = "ACCEPT";
a332b303 97 $DO = "DROP -m comment --comment 'DROP_OUTGOINGFW'";
ebb9187c
MT
98}
99
100### Initialize IPTables
101system("/sbin/iptables --flush OUTGOINGFW >/dev/null 2>&1");
102system("/sbin/iptables --delete-chain OUTGOINGFW >/dev/null 2>&1");
103system("/sbin/iptables -N OUTGOINGFW >/dev/null 2>&1");
104
b4f8d26c
MT
105if ( $outfwsettings{'POLICY'} eq 'MODE0' ) {
106 exit 0
107}
108
109if ( $outfwsettings{'POLICY'} eq 'MODE1' ) {
4cb74dce 110 $CMD = "/sbin/iptables -A OUTGOINGFW -m state --state ESTABLISHED,RELATED -j ACCEPT";
b4f8d26c 111 if ($DEBUG) { print "$CMD\n"; } else { system("$CMD"); }
4cb74dce 112 $CMD = "/sbin/iptables -A OUTGOINGFW -p icmp -j ACCEPT";
b4f8d26c
MT
113 if ($DEBUG) { print "$CMD\n"; } else { system("$CMD"); }
114}
115
ebb9187c
MT
116foreach $configentry (sort @configs)
117{
fdeaa057 118 @SOURCE = "";
ebb9187c
MT
119 $DESTINATION = "";
120 $PROTO = "";
121 $DPORT = "";
122 $DEV = "";
123 $MAC = "";
124 @configline = split( /\;/, $configentry );
fdeaa057 125
ebb9187c
MT
126 if ($outfwsettings{'STATE'} eq $configline[0]) {
127 if ($configline[2] eq 'green') {
fdeaa057 128 @SOURCE = ("$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}");
ebb9187c 129 $DEV = $netsettings{'GREEN_DEV'};
39008af7 130 } elsif ($configline[2] eq 'red') {
fdeaa057 131 @SOURCE = ("$netsettings{'RED_IP'}");
39008af7 132 $DEV = "";
ebb9187c 133 } elsif ($configline[2] eq 'blue') {
fdeaa057 134 @SOURCE = ("$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}");
ebb9187c
MT
135 $DEV = $netsettings{'BLUE_DEV'};
136 } elsif ($configline[2] eq 'orange') {
fdeaa057 137 @SOURCE = ("$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}");
ebb9187c 138 $DEV = $netsettings{'ORANGE_DEV'};
fdeaa057
CS
139 } elsif ($configline[2] eq 'ipsec') {
140 @SOURCE = "";
141 $DEV = "ipsec+";
142 } elsif ($configline[2] eq 'ovpn') {
143 @SOURCE = "";
144 $DEV = "tun+";
ebb9187c 145 } elsif ($configline[2] eq 'ip') {
fdeaa057
CS
146 @SOURCE = ("$configline[5]");
147 $DEV = "";
fdeaa057
CS
148 } elsif ($configline[2] eq 'all') {
149 @SOURCE = ("0/0");
ebb9187c 150 $DEV = "";
fdeaa057
CS
151 } else {
152 if ( -e "/var/ipfire/outgoing/groups/ipgroups/$configline[2]" )
153 {
154 @SOURCE = `cat /var/ipfire/outgoing/groups/ipgroups/$configline[2]`;
155 }
ebb9187c
MT
156 $DEV = "";
157 }
158
159 if ($configline[7]) { $DESTINATION = "$configline[7]"; } else { $DESTINATION = "0/0"; }
b4f8d26c
MT
160
161 if ($configline[3] eq 'tcp') {
fdeaa057 162 @PROTO = ("tcp");
b4f8d26c 163 } elsif ($configline[3] eq 'udp') {
fdeaa057 164 @PROTO = ("udp");
c791bb2a 165 } elsif ($configline[3] eq 'esp') {
fdeaa057 166 @PROTO = ("esp");
c791bb2a 167 } elsif ($configline[3] eq 'gre') {
fdeaa057 168 @PROTO = ("gre");
b4f8d26c 169 } else {
fdeaa057 170 @PROTO = ("tcp","udp");
b4f8d26c 171 }
4cb74dce 172
fdeaa057
CS
173 foreach $PROTO (@PROTO){
174 foreach $SOURCE (@SOURCE) {
175 $SOURCE =~ s/\s//gi;
176
177 if ( $SOURCE eq "" ){next;}
178
179 $CMD = "/sbin/iptables -A OUTGOINGFW -s $SOURCE -d $DESTINATION -p $PROTO";
180
181 if ($configline[8] && ( $configline[3] ne 'esp' || $configline[3] ne 'gre') ) {
182 $DPORT = "$configline[8]";
183 $CMD = "$CMD -m multiport --destination-port $DPORT";
184 }
185
186 if ($DEV) {
187 $CMD = "$CMD -i $DEV";
188 }
189
190 if ($configline[6]) {
191 $MAC = "$configline[6]";
192 $CMD = "$CMD -m mac --mac-source $MAC";
193 }
194
195 if ($configline[17] && $configline[18]) {
196 if ($configline[10]){$DAY = "Mon,"}
197 if ($configline[11]){$DAY .= "Tue,"}
198 if ($configline[12]){$DAY .= "Wed,"}
199 if ($configline[13]){$DAY .= "Thu,"}
200 if ($configline[14]){$DAY .= "Fri,"}
201 if ($configline[15]){$DAY .= "Sat,"}
202 if ($configline[16]){$DAY .= "Sun"}
203 $CMD = "$CMD -m time --timestart $configline[17] --timestop $configline[18] --weekdays $DAY";
204 }
205
206 $CMD = "$CMD -o $netsettings{'RED_DEV'}";
207
208 if ($configline[9] eq "aktiv") {
209 if ($DEBUG) {
210 print "$CMD -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW'\n";
211 } else {
212 system("$CMD -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW'");
213 }
214 }
215
4cb74dce 216 if ($DEBUG) {
fdeaa057 217 print "$CMD -j $DO\n";
4cb74dce 218 } else {
fdeaa057 219 system("$CMD -j $DO");
4cb74dce
MT
220 }
221 }
fdeaa057 222 }
b4f8d26c
MT
223 }
224}
ebb9187c 225
b4f8d26c
MT
226### Do the P2P-Stuff here
227open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
228@p2ps = <FILE>;
229close FILE;
ebb9187c 230
b4f8d26c 231$CMD = "/sbin/iptables -A OUTGOINGFW -m ipp2p";
ebb9187c 232
b4f8d26c
MT
233foreach $p2pentry (sort @p2ps)
234{
235 @p2pline = split( /\;/, $p2pentry );
236 if ( $outfwsettings{'POLICY'} eq 'MODE2' ) {
237 $DO = "DROP";
238 if ("$p2pline[2]" eq "off") {
239 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
240 }
241 } else {
4cb74dce 242 $DO = "ACCEPT";
b4f8d26c
MT
243 if ("$p2pline[2]" eq "on") {
244 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
ebb9187c 245 }
b4f8d26c
MT
246 }
247}
248if ($P2PSTRING) {
249 if ($DEBUG) {
250 print "$CMD $P2PSTRING -j $DO\n";
251 } else {
252 system("$CMD $P2PSTRING -j $DO");
253 }
254}
ebb9187c 255
b4f8d26c 256if ( $outfwsettings{'POLICY'} eq 'MODE1' ) {
52802b5f 257 if ( $outfwsettings{'MODE1LOG'} eq 'on' ) {
52485124 258 $CMD = "/sbin/iptables -A OUTGOINGFW -o $netsettings{'RED_DEV'} -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW'";
52802b5f
CS
259 if ($DEBUG) {
260 print "$CMD\n";
261 } else {
262 system("$CMD");
263 }
264 }
265
a332b303 266 $CMD = "/sbin/iptables -A OUTGOINGFW -o $netsettings{'RED_DEV'} -j DROP -m comment --comment 'DROP_OUTGOINGFW'";
b4f8d26c
MT
267 if ($DEBUG) {
268 print "$CMD\n";
269 } else {
270 system("$CMD");
ebb9187c 271 }
39008af7 272}