[people/teissler/ipfire-2.x.git] / config / forwardfw / firewall-lib.pl

#!/usr/bin/perl
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2012														  #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# 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, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################


use strict;
no warnings 'uninitialized';

package fwlib;

my %customnetwork=();
my %customhost=();
my %customgrp=();
my %customservice=();
my %customservicegrp=();
my %ccdnet=();
my %ccdhost=();
my %ipsecconf=();
my %ipsecsettings=();
my %netsettings=();
my %ovpnsettings=();

require '/var/ipfire/general-functions.pl';

my $confignet		= "${General::swroot}/fwhosts/customnetworks";
my $confighost		= "${General::swroot}/fwhosts/customhosts";
my $configgrp 		= "${General::swroot}/fwhosts/customgroups";
my $configsrv 		= "${General::swroot}/fwhosts/customservices";
my $configsrvgrp	= "${General::swroot}/fwhosts/customservicegrp";
my $configccdnet 	= "${General::swroot}/ovpn/ccd.conf";
my $configccdhost	= "${General::swroot}/ovpn/ovpnconfig";
my $configipsec		= "${General::swroot}/vpn/config";
my $configovpn		= "${General::swroot}/ovpn/settings";
my $val;
my $field;

&General::readhash("/var/ipfire/ethernet/settings", \%netsettings);
&General::readhash("${General::swroot}/ovpn/settings", \%ovpnsettings);
&General::readhash("${General::swroot}/vpn/settings", \%ipsecsettings);


&General::readhasharray("$confignet", \%customnetwork);
&General::readhasharray("$confighost", \%customhost);
&General::readhasharray("$configgrp", \%customgrp);
&General::readhasharray("$configccdnet", \%ccdnet);
&General::readhasharray("$configccdhost", \%ccdhost);
&General::readhasharray("$configipsec", \%ipsecconf);
&General::readhasharray("$configsrv", \%customservice);
&General::readhasharray("$configsrvgrp", \%customservicegrp);

sub get_srv_prot
{
	my $val=shift;
	foreach my $key (sort keys %customservice){
		if($customservice{$key}[0] eq $val){
			if ($customservice{$key}[0] eq $val){
				return $customservice{$key}[2];
			}
		}
	}
}
sub get_srvgrp_prot
{
	my $val=shift;
	my @ips=();
	my $tcp;
	my $udp;
	my $icmp;
	foreach my $key (sort keys %customservicegrp){
		if($customservicegrp{$key}[0] eq $val){
			if (&get_srv_prot($customservicegrp{$key}[2]) eq 'TCP'){ 
				$tcp=1;
			}elsif(&get_srv_prot($customservicegrp{$key}[2]) eq 'UDP'){ 
				$udp=1;
			}elsif(&get_srv_prot($customservicegrp{$key}[2]) eq 'ICMP'){
				$icmp=1;
			} 
		}
	}
	if ($tcp eq '1'){push (@ips,'TCP');}
	if ($udp eq '1'){push (@ips,'UDP');}
	if ($icmp eq '1'){push (@ips,'ICMP');}
	my $back=join(",",@ips);
	return $back;
	
}


sub get_srv_port
{
	my $val=shift;
	my $field=shift;
	my $prot=shift;
	foreach my $key (sort keys %customservice){
		if($customservice{$key}[0] eq $val){
			if($customservice{$key}[2] eq $prot){
				return $customservice{$key}[$field];
			}
		}
	}
}
sub get_srvgrp_port
{
	my $val=shift;
	my $prot=shift;
	my $back;
	my $value;
	my @ips=();
	foreach my $key (sort keys %customservicegrp){
		if($customservicegrp{$key}[0] eq $val){
			if ($prot ne 'ICMP'){
				$value=&get_srv_port($customservicegrp{$key}[2],1,$prot);
			}elsif ($prot eq 'ICMP'){
				$value=&get_srv_port($customservicegrp{$key}[2],3,$prot);
			}
			push (@ips,$value) if ($value ne '') ;
		}
	}
	if($prot ne 'ICMP'){
		if ($#ips gt 0){$back="-m multiport --dports ";}else{$back="--dport ";}
	}elsif ($prot eq 'ICMP'){
		$back="--icmp-type ";
	}
	
	$back.=join(",",@ips);
	return $back;
}
sub get_ipsec_net_ip
{
	my $val=shift;
	my $field=shift;
	foreach my $key (sort keys %ipsecconf){
		if($ipsecconf{$key}[1] eq $val){
			return $ipsecconf{$key}[$field];
		}
	}
}
sub get_ipsec_host_ip
{
	my $val=shift;
	my $field=shift;
	foreach my $key (sort keys %ipsecconf){
		if($ipsecconf{$key}[1] eq $val){
			return $ipsecconf{$key}[$field];
		}
	}
}
sub get_ovpn_n2n_ip
{
	my $val=shift;
	my $field=shift;
	foreach my $key (sort keys %ccdhost){
		if($ccdhost{$key}[1] eq $val){
			return $ccdhost{$key}[$field];
		}
	}
}
sub get_ovpn_host_ip
{
	my $val=shift;
	my $field=shift;
	foreach my $key (sort keys %ccdhost){
		if($ccdhost{$key}[1] eq $val){
			return $ccdhost{$key}[$field];
		}
	}
}
sub get_ovpn_net_ip
{
	
	my $val=shift;
	my $field=shift;
	foreach my $key (sort keys %ccdnet){
		if($ccdnet{$key}[0] eq $val){
			return $ccdnet{$key}[$field];
		}
	}
}
sub get_grp_ip
{
	my $val=shift;
	my $src=shift;
	foreach my $key (sort keys %customgrp){
		if ($customgrp{$key}[0] eq $val){
			&get_address($customgrp{$key}[3],$src);
		}
	}		
	
}
sub get_std_net_ip
{
	my $val=shift;
	if ($val eq 'ALL'){
		return "0.0.0.0/0.0.0.0";
	}elsif($val eq 'GREEN'){
		return "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}";
	}elsif($val eq 'ORANGE'){
		return "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}";
	}elsif($val eq 'BLUE'){
		return "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}";
	}elsif($val =~ /OpenVPN/i){
		return "$ovpnsettings{'DOVPN_SUBNET'}";
	}elsif($val =~ /IPsec/i){
		return "$ipsecsettings{'RW_NET'}";
	}
}
sub get_net_ip
{
	my $val=shift;
	foreach my $key (sort keys %customnetwork){
		if($customnetwork{$key}[0] eq $val){
			return "$customnetwork{$key}[1]/$customnetwork{$key}[2]";
		}  
	}
}
sub get_host_ip
{
	my $val=shift;
	my $src=shift;
	foreach my $key (sort keys %customhost){
		if($customhost{$key}[0] eq $val){
			if ($customhost{$key}[1] eq 'mac' && $src eq 'src'){
			return "-m mac --mac-source $customhost{$key}[2]";
			}elsif($customhost{$key}[1] eq 'ip' && $src eq 'src'){
				return "$customhost{$key}[2]";
			}elsif($customhost{$key}[1] eq 'ip' && $src eq 'tgt'){
				return "$customhost{$key}[2]";
			}elsif($customhost{$key}[1] eq 'mac' && $src eq 'tgt'){
				return "none";
			}
		}  
	}
}

return 1;
Commit	Line	Data
2a81ab0d AM	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
	23	use strict;
	24	no warnings 'uninitialized';
	25
	26	package fwlib;
	27
	28	my %customnetwork=();
	29	my %customhost=();
	30	my %customgrp=();
	31	my %customservice=();
	32	my %customservicegrp=();
	33	my %ccdnet=();
	34	my %ccdhost=();
	35	my %ipsecconf=();
	36	my %ipsecsettings=();
	37	my %netsettings=();
	38	my %ovpnsettings=();
	39
	40	require '/var/ipfire/general-functions.pl';
	41
	42	my $confignet = "${General::swroot}/fwhosts/customnetworks";
	43	my $confighost = "${General::swroot}/fwhosts/customhosts";
	44	my $configgrp = "${General::swroot}/fwhosts/customgroups";
	45	my $configsrv = "${General::swroot}/fwhosts/customservices";
	46	my $configsrvgrp = "${General::swroot}/fwhosts/customservicegrp";
	47	my $configccdnet = "${General::swroot}/ovpn/ccd.conf";
	48	my $configccdhost = "${General::swroot}/ovpn/ovpnconfig";
	49	my $configipsec = "${General::swroot}/vpn/config";
	50	my $configovpn = "${General::swroot}/ovpn/settings";
	51	my $val;
	52	my $field;
	53
	54	&General::readhash("/var/ipfire/ethernet/settings", \%netsettings);
	55	&General::readhash("${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
68	sub 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	}
79	sub 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
106	sub 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	}
119	sub 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	}
145	sub 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	}
155	sub 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	}
165	sub 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	}
175	sub 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	}
185	sub 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	}
196	sub 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	}
207	sub 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	}
224	sub 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	}
233	sub 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
252	return 1;