Forward Firewall: added new files
[people/teissler/ipfire-2.x.git] / config / forwardfw / firewall-lib.pl
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2a81ab0d
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1#!/usr/bin/perl
2###############################################################################
3# #
4# IPFire.org - A linux based firewall #
5# Copyright (C) 2012 #
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
22
23use strict;
24no warnings 'uninitialized';
25
26package fwlib;
27
28my %customnetwork=();
29my %customhost=();
30my %customgrp=();
31my %customservice=();
32my %customservicegrp=();
33my %ccdnet=();
34my %ccdhost=();
35my %ipsecconf=();
36my %ipsecsettings=();
37my %netsettings=();
38my %ovpnsettings=();
39
40require '/var/ipfire/general-functions.pl';
41
42my $confignet = "${General::swroot}/fwhosts/customnetworks";
43my $confighost = "${General::swroot}/fwhosts/customhosts";
44my $configgrp = "${General::swroot}/fwhosts/customgroups";
45my $configsrv = "${General::swroot}/fwhosts/customservices";
46my $configsrvgrp = "${General::swroot}/fwhosts/customservicegrp";
47my $configccdnet = "${General::swroot}/ovpn/ccd.conf";
48my $configccdhost = "${General::swroot}/ovpn/ovpnconfig";
49my $configipsec = "${General::swroot}/vpn/config";
50my $configovpn = "${General::swroot}/ovpn/settings";
51my $val;
52my $field;
53
54&General::readhash("/var/ipfire/ethernet/settings", \%netsettings);
55&General::readhash("${General::swroot}/ovpn/settings", \%ovpnsettings);
56&General::readhash("${General::swroot}/vpn/settings", \%ipsecsettings);
57
58
59&General::readhasharray("$confignet", \%customnetwork);
60&General::readhasharray("$confighost", \%customhost);
61&General::readhasharray("$configgrp", \%customgrp);
62&General::readhasharray("$configccdnet", \%ccdnet);
63&General::readhasharray("$configccdhost", \%ccdhost);
64&General::readhasharray("$configipsec", \%ipsecconf);
65&General::readhasharray("$configsrv", \%customservice);
66&General::readhasharray("$configsrvgrp", \%customservicegrp);
67
68sub get_srv_prot
69{
70 my $val=shift;
71 foreach my $key (sort keys %customservice){
72 if($customservice{$key}[0] eq $val){
73 if ($customservice{$key}[0] eq $val){
74 return $customservice{$key}[2];
75 }
76 }
77 }
78}
79sub get_srvgrp_prot
80{
81 my $val=shift;
82 my @ips=();
83 my $tcp;
84 my $udp;
85 my $icmp;
86 foreach my $key (sort keys %customservicegrp){
87 if($customservicegrp{$key}[0] eq $val){
88 if (&get_srv_prot($customservicegrp{$key}[2]) eq 'TCP'){
89 $tcp=1;
90 }elsif(&get_srv_prot($customservicegrp{$key}[2]) eq 'UDP'){
91 $udp=1;
92 }elsif(&get_srv_prot($customservicegrp{$key}[2]) eq 'ICMP'){
93 $icmp=1;
94 }
95 }
96 }
97 if ($tcp eq '1'){push (@ips,'TCP');}
98 if ($udp eq '1'){push (@ips,'UDP');}
99 if ($icmp eq '1'){push (@ips,'ICMP');}
100 my $back=join(",",@ips);
101 return $back;
102
103}
104
105
106sub get_srv_port
107{
108 my $val=shift;
109 my $field=shift;
110 my $prot=shift;
111 foreach my $key (sort keys %customservice){
112 if($customservice{$key}[0] eq $val){
113 if($customservice{$key}[2] eq $prot){
114 return $customservice{$key}[$field];
115 }
116 }
117 }
118}
119sub get_srvgrp_port
120{
121 my $val=shift;
122 my $prot=shift;
123 my $back;
124 my $value;
125 my @ips=();
126 foreach my $key (sort keys %customservicegrp){
127 if($customservicegrp{$key}[0] eq $val){
128 if ($prot ne 'ICMP'){
129 $value=&get_srv_port($customservicegrp{$key}[2],1,$prot);
130 }elsif ($prot eq 'ICMP'){
131 $value=&get_srv_port($customservicegrp{$key}[2],3,$prot);
132 }
133 push (@ips,$value) if ($value ne '') ;
134 }
135 }
136 if($prot ne 'ICMP'){
137 if ($#ips gt 0){$back="-m multiport --dports ";}else{$back="--dport ";}
138 }elsif ($prot eq 'ICMP'){
139 $back="--icmp-type ";
140 }
141
142 $back.=join(",",@ips);
143 return $back;
144}
145sub get_ipsec_net_ip
146{
147 my $val=shift;
148 my $field=shift;
149 foreach my $key (sort keys %ipsecconf){
150 if($ipsecconf{$key}[1] eq $val){
151 return $ipsecconf{$key}[$field];
152 }
153 }
154}
155sub get_ipsec_host_ip
156{
157 my $val=shift;
158 my $field=shift;
159 foreach my $key (sort keys %ipsecconf){
160 if($ipsecconf{$key}[1] eq $val){
161 return $ipsecconf{$key}[$field];
162 }
163 }
164}
165sub get_ovpn_n2n_ip
166{
167 my $val=shift;
168 my $field=shift;
169 foreach my $key (sort keys %ccdhost){
170 if($ccdhost{$key}[1] eq $val){
171 return $ccdhost{$key}[$field];
172 }
173 }
174}
175sub get_ovpn_host_ip
176{
177 my $val=shift;
178 my $field=shift;
179 foreach my $key (sort keys %ccdhost){
180 if($ccdhost{$key}[1] eq $val){
181 return $ccdhost{$key}[$field];
182 }
183 }
184}
185sub get_ovpn_net_ip
186{
187
188 my $val=shift;
189 my $field=shift;
190 foreach my $key (sort keys %ccdnet){
191 if($ccdnet{$key}[0] eq $val){
192 return $ccdnet{$key}[$field];
193 }
194 }
195}
196sub get_grp_ip
197{
198 my $val=shift;
199 my $src=shift;
200 foreach my $key (sort keys %customgrp){
201 if ($customgrp{$key}[0] eq $val){
202 &get_address($customgrp{$key}[3],$src);
203 }
204 }
205
206}
207sub get_std_net_ip
208{
209 my $val=shift;
210 if ($val eq 'ALL'){
211 return "0.0.0.0/0.0.0.0";
212 }elsif($val eq 'GREEN'){
213 return "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}";
214 }elsif($val eq 'ORANGE'){
215 return "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}";
216 }elsif($val eq 'BLUE'){
217 return "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}";
218 }elsif($val =~ /OpenVPN/i){
219 return "$ovpnsettings{'DOVPN_SUBNET'}";
220 }elsif($val =~ /IPsec/i){
221 return "$ipsecsettings{'RW_NET'}";
222 }
223}
224sub get_net_ip
225{
226 my $val=shift;
227 foreach my $key (sort keys %customnetwork){
228 if($customnetwork{$key}[0] eq $val){
229 return "$customnetwork{$key}[1]/$customnetwork{$key}[2]";
230 }
231 }
232}
233sub get_host_ip
234{
235 my $val=shift;
236 my $src=shift;
237 foreach my $key (sort keys %customhost){
238 if($customhost{$key}[0] eq $val){
239 if ($customhost{$key}[1] eq 'mac' && $src eq 'src'){
240 return "-m mac --mac-source $customhost{$key}[2]";
241 }elsif($customhost{$key}[1] eq 'ip' && $src eq 'src'){
242 return "$customhost{$key}[2]";
243 }elsif($customhost{$key}[1] eq 'ip' && $src eq 'tgt'){
244 return "$customhost{$key}[2]";
245 }elsif($customhost{$key}[1] eq 'mac' && $src eq 'tgt'){
246 return "none";
247 }
248 }
249 }
250}
251
252return 1;