Added all option to outgoingfw.
[people/pmueller/ipfire-2.x.git] / config / outgoingfw / outgoingfw.pl
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dba3aa2b 1#!/usr/bin/perl
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2###############################################################################
3# #
4# IPFire.org - A linux based firewall #
5# Copyright (C) 2007 Michael Tremer & Christian Schmidt #
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
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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 = ();
b4f8d26c 40my @proto = ();
ebb9187c 41my $CMD = "";
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42my $P2PSTRING = "";
43
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44my $DEBUG = 0;
45
46my $configfile = "/var/ipfire/outgoing/rules";
47my $p2pfile = "/var/ipfire/outgoing/p2protocols";
48
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49### Values that have to be initialized
50$outfwsettings{'ACTION'} = '';
51$outfwsettings{'VALID'} = 'yes';
52$outfwsettings{'EDIT'} = 'no';
53$outfwsettings{'NAME'} = '';
54$outfwsettings{'SNET'} = '';
55$outfwsettings{'SIP'} = '';
56$outfwsettings{'SPORT'} = '';
57$outfwsettings{'SMAC'} = '';
58$outfwsettings{'DIP'} = '';
59$outfwsettings{'DPORT'} = '';
60$outfwsettings{'PROT'} = '';
61$outfwsettings{'STATE'} = '';
62$outfwsettings{'DISPLAY_DIP'} = '';
63$outfwsettings{'DISPLAY_DPORT'} = '';
64$outfwsettings{'DISPLAY_SMAC'} = '';
65$outfwsettings{'DISPLAY_SIP'} = '';
66$outfwsettings{'POLICY'} = 'MODE0';
67my $SOURCE = "";
68my $DESTINATION = "";
69my $PROTO = "";
70my $DPORT = "";
71my $DEV = "";
72my $MAC = "";
73my $POLICY = "";
74my $DO = "";
75
76# read files
77&General::readhash("${General::swroot}/outgoing/settings", \%outfwsettings);
78&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
79
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80$netsettings{'RED_DEV'}=`cat /var/ipfire/red/iface`;
81
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82open( FILE, "< $configfile" ) or die "Unable to read $configfile";
83@configs = <FILE>;
84close FILE;
85
b4f8d26c 86if ( $outfwsettings{'POLICY'} eq 'MODE1' ) {
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87 $outfwsettings{'STATE'} = "ALLOW";
88 $POLICY = "DROP";
4cb74dce 89 $DO = "ACCEPT";
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90} elsif ( $outfwsettings{'POLICY'} eq 'MODE2' ) {
91 $outfwsettings{'STATE'} = "DENY";
92 $POLICY = "ACCEPT";
a332b303 93 $DO = "DROP -m comment --comment 'DROP_OUTGOINGFW'";
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94}
95
96### Initialize IPTables
97system("/sbin/iptables --flush OUTGOINGFW >/dev/null 2>&1");
98system("/sbin/iptables --delete-chain OUTGOINGFW >/dev/null 2>&1");
99system("/sbin/iptables -N OUTGOINGFW >/dev/null 2>&1");
100
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101if ( $outfwsettings{'POLICY'} eq 'MODE0' ) {
102 exit 0
103}
104
105if ( $outfwsettings{'POLICY'} eq 'MODE1' ) {
4cb74dce 106 $CMD = "/sbin/iptables -A OUTGOINGFW -m state --state ESTABLISHED,RELATED -j ACCEPT";
b4f8d26c 107 if ($DEBUG) { print "$CMD\n"; } else { system("$CMD"); }
4cb74dce 108 $CMD = "/sbin/iptables -A OUTGOINGFW -p icmp -j ACCEPT";
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109 if ($DEBUG) { print "$CMD\n"; } else { system("$CMD"); }
110}
111
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112foreach $configentry (sort @configs)
113{
114 $SOURCE = "";
115 $DESTINATION = "";
116 $PROTO = "";
117 $DPORT = "";
118 $DEV = "";
119 $MAC = "";
120 @configline = split( /\;/, $configentry );
121 if ($outfwsettings{'STATE'} eq $configline[0]) {
122 if ($configline[2] eq 'green') {
123 $SOURCE = "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}";
124 $DEV = $netsettings{'GREEN_DEV'};
125 } elsif ($configline[2] eq 'blue') {
126 $SOURCE = "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}";
127 $DEV = $netsettings{'BLUE_DEV'};
128 } elsif ($configline[2] eq 'orange') {
129 $SOURCE = "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}";
130 $DEV = $netsettings{'ORANGE_DEV'};
131 } elsif ($configline[2] eq 'ip') {
132 $SOURCE = "$configline[5]";
133 $DEV = "";
134 } else {
135 $SOURCE = "0/0";
136 $DEV = "";
137 }
138
139 if ($configline[7]) { $DESTINATION = "$configline[7]"; } else { $DESTINATION = "0/0"; }
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140
141 if ($configline[3] eq 'tcp') {
142 @proto = ("tcp");
143 } elsif ($configline[3] eq 'udp') {
144 @proto = ("udp");
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145 } elsif ($configline[3] eq 'all') {
146 @proto = ("all");
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147 } else {
148 @proto = ("tcp", "udp");
149 }
150
151 foreach $PROTO (@proto) {
152 $CMD = "/sbin/iptables -A OUTGOINGFW -s $SOURCE -d $DESTINATION -p $PROTO";
153
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154 if ($configline[8]) {
155 $DPORT = "$configline[8]";
156 $CMD = "$CMD --dport $DPORT";
157 }
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158
159 if ($DEV) {
160 $CMD = "$CMD -i $DEV";
161 }
162
163 if ($configline[6]) {
164 $MAC = "$configline[6]";
165 $CMD = "$CMD -m mac --mac-source $MAC";
166 }
4cb74dce 167
b4f8d26c 168 $CMD = "$CMD -o $netsettings{'RED_DEV'}";
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169
170 if ($configline[9] eq "aktiv") {
171 if ($DEBUG) {
52485124 172 print "$CMD -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW'\n";
4cb74dce 173 } else {
52485124 174 system("$CMD -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW'");
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175 }
176 }
177
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178 if ($DEBUG) {
179 print "$CMD -j $DO\n";
180 } else {
181 system("$CMD -j $DO");
182 }
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183 }
184 }
185}
ebb9187c 186
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187### Do the P2P-Stuff here
188open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
189@p2ps = <FILE>;
190close FILE;
ebb9187c 191
b4f8d26c 192$CMD = "/sbin/iptables -A OUTGOINGFW -m ipp2p";
ebb9187c 193
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194foreach $p2pentry (sort @p2ps)
195{
196 @p2pline = split( /\;/, $p2pentry );
197 if ( $outfwsettings{'POLICY'} eq 'MODE2' ) {
198 $DO = "DROP";
199 if ("$p2pline[2]" eq "off") {
200 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
201 }
202 } else {
4cb74dce 203 $DO = "ACCEPT";
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204 if ("$p2pline[2]" eq "on") {
205 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
ebb9187c 206 }
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207 }
208}
209if ($P2PSTRING) {
210 if ($DEBUG) {
211 print "$CMD $P2PSTRING -j $DO\n";
212 } else {
213 system("$CMD $P2PSTRING -j $DO");
214 }
215}
ebb9187c 216
b4f8d26c 217if ( $outfwsettings{'POLICY'} eq 'MODE1' ) {
52802b5f 218 if ( $outfwsettings{'MODE1LOG'} eq 'on' ) {
52485124 219 $CMD = "/sbin/iptables -A OUTGOINGFW -o $netsettings{'RED_DEV'} -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW'";
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220 if ($DEBUG) {
221 print "$CMD\n";
222 } else {
223 system("$CMD");
224 }
225 }
226
a332b303 227 $CMD = "/sbin/iptables -A OUTGOINGFW -o $netsettings{'RED_DEV'} -j DROP -m comment --comment 'DROP_OUTGOINGFW'";
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228 if ($DEBUG) {
229 print "$CMD\n";
230 } else {
231 system("$CMD");
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232 }
233}