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Forward Firewall: cleanup unused code
[people/teissler/ipfire-2.x.git] / config / forwardfw / rules.pl
CommitLineData
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# Hi folks! I hope this code is useful for all. I needed something to handle #
23# my VPN Connections in a comfortable way. #
24# This script builds firewallrules from the webinterface #
25###############################################################################
26
2a81ab0d 27use strict;
472136c9 28use Time::Local;
2a81ab0d
AM		 29no warnings 'uninitialized';
30
31# enable only the following on debugging purpose
32#use warnings;
33#use CGI::Carp 'fatalsToBrowser';
34
35my %fwdfwsettings=();
36my %defaultNetworks=();
37my %configfwdfw=();
38my %color=();
39my %icmptypes=();
40my %ovpnSettings=();
41my %customgrp=();
42our %sourcehash=();
43our %targethash=();
44my @timeframe=();
45my %configinputfw=();
5d7faa45 46my %configoutgoingfw=();
31fef6cc 47my %configdmzfw=();
a6edca5a 48my %confignatfw=();
2a81ab0d
AM		 49my %aliases=();
50my @DPROT=();
36196d0d 51my @p2ps=();
2a81ab0d
AM		 52require '/var/ipfire/general-functions.pl';
53require "${General::swroot}/lang.pl";
54require "${General::swroot}/forward/bin/firewall-lib.pl";
55
31fef6cc 56my $configdmz = "${General::swroot}/forward/dmz";
2a81ab0d
AM		 57my $configfwdfw = "${General::swroot}/forward/config";
58my $configinput = "${General::swroot}/forward/input";
5d7faa45 59my $configoutgoing = "${General::swroot}/forward/outgoing";
a6edca5a 60my $confignat = "${General::swroot}/forward/nat";
36196d0d 61my $p2pfile = "${General::swroot}/forward/p2protocols";
2a81ab0d 62my $configgrp = "${General::swroot}/fwhosts/customgroups";
210ee67b 63my $netsettings = "${General::swroot}/ethernet/settings";
2a81ab0d 64my $errormessage='';
210ee67b
AM		 65my $orange;
66my $green;
6adcf156 67my $blue;
2a81ab0d
AM		 68my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
69my $CHAIN="FORWARDFW";
ddcec9d3 70my $conexists='off';
a6edca5a
AM		 71my $command = 'iptables -A';
72my $dnat='';
73my $snat='';
2a81ab0d 74&General::readhash("${General::swroot}/forward/settings", \%fwdfwsettings);
210ee67b 75&General::readhash("$netsettings", \%defaultNetworks);
31fef6cc 76&General::readhasharray($configdmz, \%configdmzfw);
2a81ab0d
AM		 77&General::readhasharray($configfwdfw, \%configfwdfw);
78&General::readhasharray($configinput, \%configinputfw);
5d7faa45 79&General::readhasharray($configoutgoing, \%configoutgoingfw);
a6edca5a 80&General::readhasharray($confignat, \%confignatfw);
2a81ab0d
AM		 81&General::readhasharray($configgrp, \%customgrp);
82&General::get_aliases(\%aliases);
83
ddcec9d3
AM		 84#check if we have an internetconnection
85open (CONN,"/var/ipfire/red/iface");
86my $con = <CONN>;
87close(CONN);
88if (-f "/var/ipfire/red/active"){
89 $conexists='on';
90}
a6edca5a
AM		 91open (CONN1,"/var/ipfire/red/local-ipaddress");
92my $redip = <CONN1>;
93close(CONN1);
2a81ab0d
AM		 94################################
95# DEBUG/TEST #
96################################
54cb7ff0 97my $MODE=1; # 0 - normal operation
2a81ab0d
AM		 98 # 1 - print configline and rules to console
99 #
100################################
101my $param=shift;
102
103if($param eq 'flush'){
104 if ($MODE eq '1'){
105 print " Flushing chains...\n";
106 }
107 &flush;
108}else{
109 if ($MODE eq '1'){
110 print " Flushing chains...\n";
111 }
112 &flush;
113 if ($MODE eq '1'){
114 print " Preparing rules...\n";
115 }
116 &preparerules;
117 if($MODE eq '0'){
118 if ($fwdfwsettings{'POLICY'} eq 'MODE1'){
af49e367 119 &p2pblock;
5d7faa45 120 system ("/usr/sbin/firewall-policy");
2a81ab0d 121 }elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
6adcf156
AM		 122 $defaultNetworks{'GREEN_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'GREEN_NETMASK'});
123 $green="$defaultNetworks{'GREEN_ADDRESS'}/$defaultNetworks{'GREEN_NETMASK'}";
6adcf156
AM		 124 if ($defaultNetworks{'BLUE_DEV'}){
125 $defaultNetworks{'BLUE_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'BLUE_NETMASK'});
126 $blue="$defaultNetworks{'BLUE_ADDRESS'}/$defaultNetworks{'BLUE_NETMASK'}";
127 #set default rules for BLUE
128 system ("iptables -A $CHAIN -s $blue -d $green -j RETURN");
129 }
5b7ed8bb
AM		 130 if ($defaultNetworks{'ORANGE_DEV'}){
131 $defaultNetworks{'ORANGE_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'ORANGE_NETMASK'});
132 $orange="$defaultNetworks{'ORANGE_ADDRESS'}/$defaultNetworks{'ORANGE_NETMASK'}";
133 #set default rules for DMZ
134 system ("iptables -A $CHAIN -s $orange -d $green -j RETURN");
135 if ($defaultNetworks{'BLUE_DEV'}){
136 system ("iptables -A $CHAIN -s $orange -d $blue -j RETURN");
137 }
138 }
6adcf156 139 &p2pblock;
fd10a52c 140 system ("iptables -A $CHAIN -m state --state NEW -j ACCEPT");
5d7faa45 141 system ("/usr/sbin/firewall-policy");
2a81ab0d
AM		 142 }
143 }
144}
2a81ab0d
AM		 145sub flush
146{
147 system ("iptables -F FORWARDFW");
148 system ("iptables -F INPUTFW");
5d7faa45 149 system ("iptables -F OUTGOINGFW");
28640b73
AM		 150 system ("iptables -F PORTFWACCESS");
151 system ("iptables -t nat -F NAT_DESTINATION");
152 system ("iptables -t nat -F NAT_SOURCE");
2a81ab0d
AM		 153}
154sub preparerules
155{
31fef6cc
AM		 156 if (! -z "${General::swroot}/forward/dmz"){
157 &buildrules(\%configdmzfw);
158 }
2a81ab0d
AM		 159 if (! -z "${General::swroot}/forward/config"){
160 &buildrules(\%configfwdfw);
161 }
162 if (! -z "${General::swroot}/forward/input"){
163 &buildrules(\%configinputfw);
164 }
5d7faa45
AM		 165 if (! -z "${General::swroot}/forward/outgoing"){
166 &buildrules(\%configoutgoingfw);
167 }
a6edca5a
AM		 168 if (! -z "${General::swroot}/forward/nat"){
169 &buildrules(\%confignatfw);
170 }
2a81ab0d
AM		 171}
172sub buildrules
173{
174 my $hash=shift;
b5269091 175 my $STAG;
a6edca5a
AM		 176 my $natip;
177 my $snatport;
178 my $fireport;
bc912c6e 179 my $nat;
98cee89f 180 my $fwaccessdport;
992394d5 181 foreach my $key (sort {$a <=> $b} keys %$hash){
ddcec9d3 182 next if ($$hash{$key}[6] eq 'RED' && $conexists eq 'off' );
a6edca5a
AM		 183 if ($$hash{$key}[28] eq 'ON'){
184 $command='iptables -t nat -A';
08e1c65d 185 $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
a6edca5a 186 if($$hash{$key}[31] eq 'dnat'){
bc912c6e 187 $nat='DNAT';
98cee89f
AM		 188 if ($$hash{$key}[30] =~ /\|/){
189 $$hash{$key}[30]=~ tr/|/,/;
190 $fireport='-m multiport --dport '.$$hash{$key}[30];
191 }else{
192 $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
193 }
a6edca5a 194 }else{
bc912c6e 195 $nat='SNAT';
a6edca5a
AM		 196 }
197 }
b5269091 198 $STAG='';
2a81ab0d
AM		 199 if($$hash{$key}[2] eq 'ON'){
200 #get source ip's
201 if ($$hash{$key}[3] eq 'cust_grp_src'){
992394d5 202 foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d
AM		 203 if($customgrp{$grp}[0] eq $$hash{$key}[4]){
204 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
205 }
206 }
207 }else{
208 &get_address($$hash{$key}[3],$$hash{$key}[4],"src");
209 }
210 #get target ip's
211 if ($$hash{$key}[5] eq 'cust_grp_tgt'){
992394d5 212 foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d
AM		 213 if($customgrp{$grp}[0] eq $$hash{$key}[6]){
214 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
215 }
216 }
217 }elsif($$hash{$key}[5] eq 'ipfire'){
05d4f131
AM		 218 if($$hash{$key}[6] eq 'GREEN'){
219 $targethash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
220 }
221 if($$hash{$key}[6] eq 'BLUE'){
222 $targethash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
223 }
224 if($$hash{$key}[6] eq 'ORANGE'){
225 $targethash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
226 }
8762442c
AM		 227 if($$hash{$key}[6] eq 'ALL'){
228 $targethash{$key}[0]='0.0.0.0/0';
229 }
690b0bd7 230 if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
2a81ab0d
AM		 231 open(FILE, "/var/ipfire/red/local-ipaddress") or die 'Unable to open config file.';
232 $targethash{$key}[0]= <FILE>;
233 close(FILE);
234 }else{
235 foreach my $alias (sort keys %aliases){
236 if ($$hash{$key}[6] eq $alias){
237 $targethash{$key}[0]=$aliases{$alias}{'IPT'};
238 }
239 }
240 }
241 }else{
242 &get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
243 }
2a81ab0d
AM		 244 ##get source prot and port
245 $SRC_TGT='SRC';
246 $SPROT = &get_prot($hash,$key);
247 $SPORT = &get_port($hash,$key);
248 $SRC_TGT='';
14f7cb87 249
2a81ab0d
AM		 250 ##get target prot and port
251 $DPROT=&get_prot($hash,$key);
14f7cb87 252
2a81ab0d
AM		 253 if ($DPROT eq ''){$DPROT=' ';}
254 @DPROT=split(",",$DPROT);
14f7cb87 255
2a81ab0d
AM		 256 #get time if defined
257 if($$hash{$key}[18] eq 'ON'){
472136c9
AM		 258 my ($time1,$time2,$daylight);
259 my $daylight=$$hash{$key}[28];
260 $time1=&get_time($$hash{$key}[26],$daylight);
261 $time2=&get_time($$hash{$key}[27],$daylight);
2a81ab0d
AM		 262 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
263 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
264 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
265 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
266 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
267 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
268 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
269 $TIME=join(",",@timeframe);
472136c9
AM		 270
271 $TIMEFROM="--timestart $time1 ";
272 $TIMETILL="--timestop $time2 ";
a0f267b9 273 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
2a81ab0d 274 }
2a81ab0d
AM		 275 if ($MODE eq '1'){
276 print "NR:$key ";
277 foreach my $i (0 .. $#{$$hash{$key}}){
278 print "$i: $$hash{$key}[$i] ";
279 }
280 print "\n";
281 print"##################################\n";
282 #print rules to console
2a81ab0d
AM		 283 foreach my $DPROT (@DPROT){
284 $DPORT = &get_port($hash,$key,$DPROT);
285 if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
286 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
287 foreach my $a (sort keys %sourcehash){
288 foreach my $b (sort keys %targethash){
d7dc9718 289 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
2a81ab0d 290 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
5d7faa45 291 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
8cb1afc8
AM		 292 if(substr($DPORT, 2, 4) eq 'icmp'){
293 my @icmprule= split(",",substr($DPORT, 12,));
294 foreach (@icmprule){
295 if ($$hash{$key}[17] eq 'ON'){
a6edca5a 296 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j LOG\n";
8cb1afc8 297 }
a6edca5a 298 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]\n";
8cb1afc8 299 }
a6edca5a 300 }elsif($$hash{$key}[28] ne 'ON'){
8cb1afc8 301 if ($$hash{$key}[17] eq 'ON'){
a6edca5a 302 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
8cb1afc8 303 }
a6edca5a 304 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
28640b73
AM		 305 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
306 if ($$hash{$key}[17] eq 'ON'){
307 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
308 }
28640b73 309 my ($ip,$sub) =split("/",$targethash{$b}[0]);
bc912c6e 310 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
829697d0 311 $DPORT =~ s/\-/:/g;
98cee89f
AM		 312 if ($DPORT){
313 $fwaccessdport="--dport ".substr($DPORT,1,);
314 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
315 if ($$hash{$key}[30]=~m/|/i){
316 $$hash{$key}[30] =~ s/\|/,/g;
317 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
318 }else{
319 $fwaccessdport="--dport $$hash{$key}[30]";
320 }
321 }
bc912c6e 322 print "iptables -A PORTFWACCESS $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
08e1c65d
AM		 323 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
324 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
2a81ab0d 325 }
2a81ab0d
AM		 326 }
327 }
328 }
329 }
330 print"\n";
331 }
2a81ab0d
AM		 332 }elsif($MODE eq '0'){
333 foreach my $DPROT (@DPROT){
334 $DPORT = &get_port($hash,$key,$DPROT);
335 if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
336 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
337 foreach my $a (sort keys %sourcehash){
338 foreach my $b (sort keys %targethash){
d7dc9718 339 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
2a81ab0d 340 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
5d7faa45 341 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
8cb1afc8
AM		 342 if(substr($DPORT, 2, 4) eq 'icmp'){
343 my @icmprule= split(",",substr($DPORT, 12,));
344 foreach (@icmprule){
345 if ($$hash{$key}[17] eq 'ON'){
a6edca5a 346 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] -- icmp-type $_ $TIME -j LOG");
8cb1afc8 347 }
a6edca5a
AM		 348 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]");
349 }
350 }elsif($$hash{$key}[28] ne 'ON'){
351 if ($$hash{$key}[17] eq 'ON'){
352 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
353 }
354 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
355 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
356 if ($$hash{$key}[17] eq 'ON'){
357 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
8cb1afc8 358 }
a6edca5a 359 my ($ip,$sub) =split("/",$targethash{$b}[0]);
bc912c6e 360 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
829697d0 361 $DPORT =~ s/\-/:/g;
98cee89f
AM		 362 if ($DPORT){
363 $fwaccessdport="--dport ".substr($DPORT,1,);
364 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
365 if ($$hash{$key}[30]=~m/|/i){
366 $$hash{$key}[30] =~ s/\|/,/g;
367 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
368 }else{
369 $fwaccessdport="--dport $$hash{$key}[30]";
370 }
371 }
bc912c6e 372 system "iptables -A PORTFWACCESS $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
a6edca5a 373 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
8cb1afc8 374 if ($$hash{$key}[17] eq 'ON'){
a6edca5a 375 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT '\n";
8cb1afc8 376 }
bc912c6e 377 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip$fireport\n";
2a81ab0d 378 }
2a81ab0d
AM		 379 }
380 }
381 }
382 }
2a81ab0d
AM		 383 }
384 }
385 }
386 %sourcehash=();
387 %targethash=();
388 undef $TIME;
389 undef $TIMEFROM;
390 undef $TIMETILL;
a6edca5a 391 undef $fireport;
2a81ab0d
AM		 392 }
393}
a6edca5a
AM		 394sub get_nat_ip
395{
396 my $val=shift;
08e1c65d 397 my $type=shift;
a6edca5a
AM		 398 my $result;
399 if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
400 $result=$defaultNetworks{$val.'_ADDRESS'};
401 }elsif($val eq 'ALL'){
402 $result='-i '.$con;
08e1c65d 403 }elsif($val eq 'Default IP' && $type eq 'dnat'){
a6edca5a 404 $result='-d '.$redip;
08e1c65d
AM		 405 }elsif($val eq 'Default IP' && $type eq 'snat'){
406 $result=$redip;
a6edca5a
AM		 407 }else{
408 foreach my $al (sort keys %aliases){
08e1c65d 409 if($val eq $al && $type eq 'dnat'){
a6edca5a 410 $result='-d '.$aliases{$al}{'IPT'};
08e1c65d
AM		 411 }elsif($val eq $al && $type eq 'snat'){
412 $result=$aliases{$al}{'IPT'};
a6edca5a
AM		 413 }
414 }
415 }
416 return $result;
417}
472136c9
AM		 418sub get_time
419{
420 my $val=shift;
421 my $val1=shift;
422 my $time;
423 my $minutes;
424 my $ruletime;
425 $minutes = &utcmin($val);
426 $ruletime = $minutes + &time_get_utc($val);
427 if ($ruletime < 0){$ruletime +=1440;}
428 if ($ruletime > 1440){$ruletime -=1440;}
429 $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
430 return $time;
431}
432sub time_get_utc
433{
434 # Calculates the UTCtime from a given time
435 my $val=shift;
436 my @localtime=localtime(time);
437 my @gmtime=gmtime(time);
438 my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
439 return $diff;
440}
441sub utcmin
442{
443 my $ruletime=shift;
444 my ($hrs,$min) = split(":",$ruletime);
445 my $newtime = $hrs*60+$min;
446 return $newtime;
447}
36196d0d
AM		 448sub p2pblock
449{
450 my $P2PSTRING;
451 my $DO;
452 open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
453 @p2ps = <FILE>;
454 close FILE;
455 my $CMD = "-m ipp2p";
456 foreach my $p2pentry (sort @p2ps) {
457 my @p2pline = split( /\;/, $p2pentry );
8d1beadc
AM		 458 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
459 $DO = "ACCEPT";
5238a871 460 if ("$p2pline[2]" eq "on") {
36196d0d
AM		 461 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
462 }
8d1beadc 463 }else {
36196d0d 464 $DO = "RETURN";
5238a871 465 if ("$p2pline[2]" eq "off") {
36196d0d
AM		 466 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
467 }
468 }
469 }
470 if ($MODE eq 1){
471 if($P2PSTRING){
472 print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
473 }
474 }else{
475 if($P2PSTRING){
476 system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
477 }
478 }
479}
2a81ab0d
AM		 480sub get_address
481{
482 my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
483 my $base2=shift;
484 my $type=shift; #src or tgt
485 my $hash;
486 if ($type eq 'src'){
487 $hash=\%sourcehash;
488 }else{
489 $hash=\%targethash;
490 }
491 my $key = &General::findhasharraykey($hash);
492 if($base eq 'src_addr' || $base eq 'tgt_addr' ){
b5269091
AM		 493 if (&General::validmac($base2)){
494 $$hash{$key}[0] = "-m mac --mac-source $base2";
495 }else{
496 $$hash{$key}[0] = $base2;
497 }
2a81ab0d 498 }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
ddcec9d3 499 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
2a81ab0d
AM		 500 }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
501 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
502 }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
503 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
504 }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
505 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
506 }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
507 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
508 }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
6fab5bca 509 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,11);
2a81ab0d
AM		 510 }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
511 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
512 }
513}
514sub get_prot
515{
516 my $hash=shift;
517 my $key=shift;
518 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
519 if ($$hash{$key}[10] ne ''){
520 return"$$hash{$key}[8]";
521 }elsif($$hash{$key}[9] ne ''){
522 return"$$hash{$key}[8]";
523 }else{
524 return "$$hash{$key}[8]";
525 }
526 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
527 if ($$hash{$key}[14] eq 'TGT_PORT'){
528 if ($$hash{$key}[15] ne ''){
529 return "$$hash{$key}[12]";
530 }elsif($$hash{$key}[13] ne ''){
531 return "$$hash{$key}[12]";
532 }else{
533 return "$$hash{$key}[12]";
534 }
535 }elsif($$hash{$key}[14] eq 'cust_srv'){
536 return &fwlib::get_srv_prot($$hash{$key}[15]);
537
538 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
539 return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
540 }
541 }
98cee89f
AM		 542 #DNAT
543 if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
544 return "$$hash{$key}[12]";
545 }
2a81ab0d
AM		 546}
547sub get_port
548{
549 my $hash=shift;
550 my $key=shift;
551 my $prot=shift;
552 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
553 if ($$hash{$key}[10] ne ''){
8f0b047b 554 $$hash{$key}[10] =~ s/\|/,/g;
93a5f4a5
AM		 555 if(index($$hash{$key}[10],",") > 0){
556 return "-m multiport --sport $$hash{$key}[10] ";
557 }else{
a6edca5a
AM		 558 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ||($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat') ){
559 return "--sport $$hash{$key}[10] ";
560 }else{
561 return ":$$hash{$key}[10]";
562 }
93a5f4a5 563 }
62fc8511 564 }elsif($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
2a81ab0d 565 return "--icmp-type $$hash{$key}[9] ";
62fc8511
AM		 566 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
567 return;
2a81ab0d
AM		 568 }
569 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
2a81ab0d
AM		 570 if($$hash{$key}[14] eq 'TGT_PORT'){
571 if ($$hash{$key}[15] ne ''){
8f0b047b 572 $$hash{$key}[15] =~ s/\|/,/g;
93a5f4a5
AM		 573 if(index($$hash{$key}[15],",") > 0){
574 return "-m multiport --dport $$hash{$key}[15] ";
575 }else{
a6edca5a
AM		 576 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
577 return "--dport $$hash{$key}[15] ";
578 }else{
829697d0 579 $$hash{$key}[15] =~ s/\:/-/g;
a6edca5a
AM		 580 return ":$$hash{$key}[15]";
581 }
93a5f4a5 582 }
2a81ab0d
AM		 583 }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] ne 'All ICMP-Types'){
584 return "--icmp-type $$hash{$key}[13] ";
585 }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] eq 'All ICMP-Types'){
586 return;
587 }
588 }elsif($$hash{$key}[14] eq 'cust_srv'){
589 if ($prot ne 'ICMP'){
6be32fe5
AM		 590 if($$hash{$key}[31] eq 'dnat'){
591 return ":".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
592 }else{
593 return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
594 }
2a81ab0d
AM		 595 }elsif($prot eq 'ICMP' && $$hash{$key}[15] ne 'All ICMP-Types'){
596 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
597 }elsif($prot eq 'ICMP' && $$hash{$key}[15] eq 'All ICMP-Types'){
598 return;
599 }
600 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
601 if ($prot ne 'ICMP'){
602 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
603 }
604 elsif($prot eq 'ICMP'){
605 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
606 }
2a81ab0d
AM		 607 }
608 }
609}
Timo's tree of IPFire 2.x