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Forward Firewall: Bugfix: ICMP rules where applied double
[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=();
a6edca5a 47my %confignatfw=();
2a81ab0d
AM		 48my %aliases=();
49my @DPROT=();
36196d0d 50my @p2ps=();
2a81ab0d
AM		 51require '/var/ipfire/general-functions.pl';
52require "${General::swroot}/lang.pl";
53require "${General::swroot}/forward/bin/firewall-lib.pl";
54
55my $configfwdfw = "${General::swroot}/forward/config";
56my $configinput = "${General::swroot}/forward/input";
5d7faa45 57my $configoutgoing = "${General::swroot}/forward/outgoing";
36196d0d 58my $p2pfile = "${General::swroot}/forward/p2protocols";
2a81ab0d 59my $configgrp = "${General::swroot}/fwhosts/customgroups";
210ee67b 60my $netsettings = "${General::swroot}/ethernet/settings";
2a81ab0d 61my $errormessage='';
210ee67b
AM		 62my $orange;
63my $green;
6adcf156 64my $blue;
2a81ab0d
AM		 65my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
66my $CHAIN="FORWARDFW";
ddcec9d3 67my $conexists='off';
a6edca5a
AM		 68my $command = 'iptables -A';
69my $dnat='';
70my $snat='';
2a81ab0d 71&General::readhash("${General::swroot}/forward/settings", \%fwdfwsettings);
210ee67b 72&General::readhash("$netsettings", \%defaultNetworks);
2a81ab0d
AM		 73&General::readhasharray($configfwdfw, \%configfwdfw);
74&General::readhasharray($configinput, \%configinputfw);
5d7faa45 75&General::readhasharray($configoutgoing, \%configoutgoingfw);
2a81ab0d
AM		 76&General::readhasharray($configgrp, \%customgrp);
77&General::get_aliases(\%aliases);
78
ddcec9d3
AM		 79#check if we have an internetconnection
80open (CONN,"/var/ipfire/red/iface");
81my $con = <CONN>;
82close(CONN);
83if (-f "/var/ipfire/red/active"){
84 $conexists='on';
85}
a6edca5a
AM		 86open (CONN1,"/var/ipfire/red/local-ipaddress");
87my $redip = <CONN1>;
88close(CONN1);
2a81ab0d
AM		 89################################
90# DEBUG/TEST #
91################################
54cb7ff0 92my $MODE=1; # 0 - normal operation
2a81ab0d
AM		 93 # 1 - print configline and rules to console
94 #
95################################
96my $param=shift;
97
98if($param eq 'flush'){
99 if ($MODE eq '1'){
100 print " Flushing chains...\n";
101 }
102 &flush;
103}else{
104 if ($MODE eq '1'){
105 print " Flushing chains...\n";
106 }
107 &flush;
108 if ($MODE eq '1'){
109 print " Preparing rules...\n";
110 }
111 &preparerules;
112 if($MODE eq '0'){
113 if ($fwdfwsettings{'POLICY'} eq 'MODE1'){
af49e367 114 &p2pblock;
5d7faa45 115 system ("/usr/sbin/firewall-policy");
2a81ab0d 116 }elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
6adcf156 117 &p2pblock;
b85d2a98 118 system ("iptables -A $CHAIN -m conntrack --ctstate NEW -j ACCEPT");
5d7faa45 119 system ("/usr/sbin/firewall-policy");
674f4e9d 120 system ("/etc/sysconfig/firewall.local reload");
2a81ab0d
AM		 121 }
122 }
123}
2a81ab0d
AM		 124sub flush
125{
126 system ("iptables -F FORWARDFW");
127 system ("iptables -F INPUTFW");
5d7faa45 128 system ("iptables -F OUTGOINGFW");
28640b73
AM		 129 system ("iptables -t nat -F NAT_DESTINATION");
130 system ("iptables -t nat -F NAT_SOURCE");
2a81ab0d
AM		 131}
132sub preparerules
133{
134 if (! -z "${General::swroot}/forward/config"){
135 &buildrules(\%configfwdfw);
136 }
137 if (! -z "${General::swroot}/forward/input"){
138 &buildrules(\%configinputfw);
139 }
5d7faa45
AM		 140 if (! -z "${General::swroot}/forward/outgoing"){
141 &buildrules(\%configoutgoingfw);
142 }
2a81ab0d
AM		 143}
144sub buildrules
145{
146 my $hash=shift;
b5269091 147 my $STAG;
a6edca5a
AM		 148 my $natip;
149 my $snatport;
150 my $fireport;
bc912c6e 151 my $nat;
98cee89f 152 my $fwaccessdport;
c12392c0 153 my $natchain;
992394d5 154 foreach my $key (sort {$a <=> $b} keys %$hash){
ff4770c7 155 next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
a6edca5a
AM		 156 if ($$hash{$key}[28] eq 'ON'){
157 $command='iptables -t nat -A';
08e1c65d 158 $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
a6edca5a 159 if($$hash{$key}[31] eq 'dnat'){
bc912c6e 160 $nat='DNAT';
98cee89f
AM		 161 if ($$hash{$key}[30] =~ /\|/){
162 $$hash{$key}[30]=~ tr/|/,/;
163 $fireport='-m multiport --dport '.$$hash{$key}[30];
164 }else{
165 $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
166 }
a6edca5a 167 }else{
bc912c6e 168 $nat='SNAT';
a6edca5a
AM		 169 }
170 }
b5269091 171 $STAG='';
2a81ab0d
AM		 172 if($$hash{$key}[2] eq 'ON'){
173 #get source ip's
174 if ($$hash{$key}[3] eq 'cust_grp_src'){
992394d5 175 foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d
AM		 176 if($customgrp{$grp}[0] eq $$hash{$key}[4]){
177 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
178 }
179 }
180 }else{
181 &get_address($$hash{$key}[3],$$hash{$key}[4],"src");
182 }
183 #get target ip's
184 if ($$hash{$key}[5] eq 'cust_grp_tgt'){
992394d5 185 foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d
AM		 186 if($customgrp{$grp}[0] eq $$hash{$key}[6]){
187 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
188 }
189 }
a0fb1099 190 }elsif($$hash{$key}[5] eq 'ipfire' ){
05d4f131
AM		 191 if($$hash{$key}[6] eq 'GREEN'){
192 $targethash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
193 }
194 if($$hash{$key}[6] eq 'BLUE'){
195 $targethash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
196 }
197 if($$hash{$key}[6] eq 'ORANGE'){
198 $targethash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
199 }
8762442c
AM		 200 if($$hash{$key}[6] eq 'ALL'){
201 $targethash{$key}[0]='0.0.0.0/0';
202 }
690b0bd7 203 if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
ff4770c7 204 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
2a81ab0d
AM		 205 $targethash{$key}[0]= <FILE>;
206 close(FILE);
207 }else{
208 foreach my $alias (sort keys %aliases){
209 if ($$hash{$key}[6] eq $alias){
210 $targethash{$key}[0]=$aliases{$alias}{'IPT'};
211 }
212 }
213 }
214 }else{
215 &get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
216 }
2a81ab0d
AM		 217 ##get source prot and port
218 $SRC_TGT='SRC';
219 $SPROT = &get_prot($hash,$key);
220 $SPORT = &get_port($hash,$key);
221 $SRC_TGT='';
14f7cb87 222
2a81ab0d
AM		 223 ##get target prot and port
224 $DPROT=&get_prot($hash,$key);
14f7cb87 225
2a81ab0d
AM		 226 if ($DPROT eq ''){$DPROT=' ';}
227 @DPROT=split(",",$DPROT);
14f7cb87 228
2a81ab0d
AM		 229 #get time if defined
230 if($$hash{$key}[18] eq 'ON'){
472136c9
AM		 231 my ($time1,$time2,$daylight);
232 my $daylight=$$hash{$key}[28];
233 $time1=&get_time($$hash{$key}[26],$daylight);
234 $time2=&get_time($$hash{$key}[27],$daylight);
2a81ab0d
AM		 235 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
236 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
237 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
238 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
239 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
240 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
241 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
242 $TIME=join(",",@timeframe);
472136c9
AM		 243
244 $TIMEFROM="--timestart $time1 ";
245 $TIMETILL="--timestop $time2 ";
a0f267b9 246 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
2a81ab0d 247 }
2a81ab0d
AM		 248 if ($MODE eq '1'){
249 print "NR:$key ";
250 foreach my $i (0 .. $#{$$hash{$key}}){
251 print "$i: $$hash{$key}[$i] ";
252 }
253 print "\n";
254 print"##################################\n";
255 #print rules to console
2a81ab0d
AM		 256 foreach my $DPROT (@DPROT){
257 $DPORT = &get_port($hash,$key,$DPROT);
258 if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
259 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
260 foreach my $a (sort keys %sourcehash){
261 foreach my $b (sort keys %targethash){
d7dc9718 262 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
2a81ab0d 263 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
5d7faa45 264 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
8cb1afc8
AM		 265 if(substr($DPORT, 2, 4) eq 'icmp'){
266 my @icmprule= split(",",substr($DPORT, 12,));
267 foreach (@icmprule){
268 if ($$hash{$key}[17] eq 'ON'){
a6edca5a 269 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j LOG\n";
8cb1afc8 270 }
a6edca5a 271 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]\n";
8cb1afc8 272 }
28640b73 273 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
c12392c0 274 $natchain='NAT_DESTINATION';
28640b73 275 if ($$hash{$key}[17] eq 'ON'){
c12392c0 276 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
28640b73 277 }
28640b73 278 my ($ip,$sub) =split("/",$targethash{$b}[0]);
c12392c0 279 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
829697d0 280 $DPORT =~ s/\-/:/g;
98cee89f
AM		 281 if ($DPORT){
282 $fwaccessdport="--dport ".substr($DPORT,1,);
283 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
284 if ($$hash{$key}[30]=~m/|/i){
285 $$hash{$key}[30] =~ s/\|/,/g;
286 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
287 }else{
288 $fwaccessdport="--dport $$hash{$key}[30]";
289 }
290 }
c12392c0
AM		 291 print "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
292 next;
08e1c65d 293 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
c12392c0
AM		 294 $natchain='NAT_SOURCE';
295 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
2a81ab0d 296 }
c12392c0
AM		 297 if ($$hash{$key}[17] eq 'ON'){
298 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
299 }
93c2de1c
AM		 300 if ($PROT ne '-p ICMP'){
301 print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
302 }
2a81ab0d
AM		 303 }
304 }
305 }
306 }
307 print"\n";
308 }
2a81ab0d
AM		 309 }elsif($MODE eq '0'){
310 foreach my $DPROT (@DPROT){
311 $DPORT = &get_port($hash,$key,$DPROT);
312 if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
313 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
314 foreach my $a (sort keys %sourcehash){
315 foreach my $b (sort keys %targethash){
d7dc9718 316 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
2a81ab0d 317 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
5d7faa45 318 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
93c2de1c 319 #Process ICMP RULE
8cb1afc8
AM		 320 if(substr($DPORT, 2, 4) eq 'icmp'){
321 my @icmprule= split(",",substr($DPORT, 12,));
322 foreach (@icmprule){
323 if ($$hash{$key}[17] eq 'ON'){
a6edca5a 324 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] -- icmp-type $_ $TIME -j LOG");
8cb1afc8 325 }
a6edca5a
AM		 326 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]");
327 }
93c2de1c 328 #PROCESS DNAT RULE (Portforward)
a6edca5a 329 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
c12392c0 330 $natchain='NAT_DESTINATION';
a6edca5a 331 if ($$hash{$key}[17] eq 'ON'){
c12392c0 332 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
8cb1afc8 333 }
a6edca5a 334 my ($ip,$sub) =split("/",$targethash{$b}[0]);
c12392c0 335 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
829697d0 336 $DPORT =~ s/\-/:/g;
98cee89f
AM		 337 if ($DPORT){
338 $fwaccessdport="--dport ".substr($DPORT,1,);
339 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
340 if ($$hash{$key}[30]=~m/|/i){
341 $$hash{$key}[30] =~ s/\|/,/g;
342 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
343 }else{
344 $fwaccessdport="--dport $$hash{$key}[30]";
345 }
346 }
c12392c0
AM		 347 system "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
348 next;
93c2de1c 349 #PROCESS SNAT RULE
a6edca5a 350 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
c12392c0
AM		 351 $natchain='NAT_SOURCE';
352 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
353 }
354 if ($$hash{$key}[17] eq 'ON'){
355 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
2a81ab0d 356 }
93c2de1c
AM		 357 #PROCESS EVERY OTHER RULE (If NOT ICMP, else the rule would be applied double)
358 if ($PROT ne '-p ICMP'){
359 system "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
360 }
2a81ab0d
AM		 361 }
362 }
363 }
364 }
2a81ab0d
AM		 365 }
366 }
367 }
368 %sourcehash=();
369 %targethash=();
370 undef $TIME;
371 undef $TIMEFROM;
372 undef $TIMETILL;
a6edca5a 373 undef $fireport;
2a81ab0d
AM		 374 }
375}
a6edca5a
AM		 376sub get_nat_ip
377{
378 my $val=shift;
08e1c65d 379 my $type=shift;
a6edca5a
AM		 380 my $result;
381 if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
382 $result=$defaultNetworks{$val.'_ADDRESS'};
383 }elsif($val eq 'ALL'){
384 $result='-i '.$con;
08e1c65d 385 }elsif($val eq 'Default IP' && $type eq 'dnat'){
a6edca5a 386 $result='-d '.$redip;
08e1c65d
AM		 387 }elsif($val eq 'Default IP' && $type eq 'snat'){
388 $result=$redip;
a6edca5a
AM		 389 }else{
390 foreach my $al (sort keys %aliases){
08e1c65d 391 if($val eq $al && $type eq 'dnat'){
a6edca5a 392 $result='-d '.$aliases{$al}{'IPT'};
08e1c65d
AM		 393 }elsif($val eq $al && $type eq 'snat'){
394 $result=$aliases{$al}{'IPT'};
a6edca5a
AM		 395 }
396 }
397 }
398 return $result;
399}
472136c9
AM		 400sub get_time
401{
402 my $val=shift;
403 my $val1=shift;
404 my $time;
405 my $minutes;
406 my $ruletime;
407 $minutes = &utcmin($val);
408 $ruletime = $minutes + &time_get_utc($val);
409 if ($ruletime < 0){$ruletime +=1440;}
410 if ($ruletime > 1440){$ruletime -=1440;}
411 $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
412 return $time;
413}
414sub time_get_utc
415{
416 # Calculates the UTCtime from a given time
417 my $val=shift;
418 my @localtime=localtime(time);
419 my @gmtime=gmtime(time);
420 my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
421 return $diff;
422}
423sub utcmin
424{
425 my $ruletime=shift;
426 my ($hrs,$min) = split(":",$ruletime);
427 my $newtime = $hrs*60+$min;
428 return $newtime;
429}
36196d0d
AM		 430sub p2pblock
431{
432 my $P2PSTRING;
433 my $DO;
434 open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
435 @p2ps = <FILE>;
436 close FILE;
437 my $CMD = "-m ipp2p";
438 foreach my $p2pentry (sort @p2ps) {
439 my @p2pline = split( /\;/, $p2pentry );
8d1beadc
AM		 440 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
441 $DO = "ACCEPT";
5238a871 442 if ("$p2pline[2]" eq "on") {
36196d0d
AM		 443 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
444 }
8d1beadc 445 }else {
36196d0d 446 $DO = "RETURN";
5238a871 447 if ("$p2pline[2]" eq "off") {
36196d0d
AM		 448 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
449 }
450 }
451 }
452 if ($MODE eq 1){
453 if($P2PSTRING){
454 print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
455 }
456 }else{
457 if($P2PSTRING){
458 system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
459 }
460 }
461}
2a81ab0d
AM		 462sub get_address
463{
464 my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
465 my $base2=shift;
466 my $type=shift; #src or tgt
467 my $hash;
468 if ($type eq 'src'){
469 $hash=\%sourcehash;
470 }else{
471 $hash=\%targethash;
472 }
473 my $key = &General::findhasharraykey($hash);
474 if($base eq 'src_addr' || $base eq 'tgt_addr' ){
b5269091
AM		 475 if (&General::validmac($base2)){
476 $$hash{$key}[0] = "-m mac --mac-source $base2";
477 }else{
478 $$hash{$key}[0] = $base2;
479 }
2a81ab0d 480 }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
ddcec9d3 481 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
2a81ab0d
AM		 482 }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
483 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
484 }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
485 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
486 }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
487 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
488 }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
489 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
490 }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
6fab5bca 491 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,11);
2a81ab0d
AM		 492 }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
493 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
a0fb1099
AM		 494 }elsif($base eq 'ipfire_src' ){
495 if($base2 eq 'GREEN'){
496 $$hash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
497 }
498 if($base2 eq 'BLUE'){
499 $$hash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
500 }
501 if($base2 eq 'ORANGE'){
502 $$hash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
503 }
504 if($base2 eq 'ALL'){
505 $$hash{$key}[0]='0.0.0.0/0';
506 }
507 if($base2 eq 'RED' || $base2 eq 'RED1'){
508 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
509 $$hash{$key}[0]= <FILE>;
510 close(FILE);
511 }else{
512 foreach my $alias (sort keys %aliases){
513 if ($base2 eq $alias){
514 $$hash{$key}[0]=$aliases{$alias}{'IPT'};
515 }
516 }
517 }
2a81ab0d
AM		 518 }
519}
520sub get_prot
521{
522 my $hash=shift;
523 my $key=shift;
524 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
525 if ($$hash{$key}[10] ne ''){
526 return"$$hash{$key}[8]";
527 }elsif($$hash{$key}[9] ne ''){
528 return"$$hash{$key}[8]";
529 }else{
530 return "$$hash{$key}[8]";
531 }
532 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
533 if ($$hash{$key}[14] eq 'TGT_PORT'){
534 if ($$hash{$key}[15] ne ''){
535 return "$$hash{$key}[12]";
536 }elsif($$hash{$key}[13] ne ''){
537 return "$$hash{$key}[12]";
538 }else{
539 return "$$hash{$key}[12]";
540 }
541 }elsif($$hash{$key}[14] eq 'cust_srv'){
542 return &fwlib::get_srv_prot($$hash{$key}[15]);
543
544 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
545 return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
546 }
547 }
98cee89f
AM		 548 #DNAT
549 if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
550 return "$$hash{$key}[12]";
551 }
2a81ab0d
AM		 552}
553sub get_port
554{
555 my $hash=shift;
556 my $key=shift;
557 my $prot=shift;
558 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
559 if ($$hash{$key}[10] ne ''){
8f0b047b 560 $$hash{$key}[10] =~ s/\|/,/g;
93a5f4a5
AM		 561 if(index($$hash{$key}[10],",") > 0){
562 return "-m multiport --sport $$hash{$key}[10] ";
563 }else{
a6edca5a
AM		 564 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ||($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat') ){
565 return "--sport $$hash{$key}[10] ";
566 }else{
567 return ":$$hash{$key}[10]";
568 }
93a5f4a5 569 }
62fc8511 570 }elsif($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
2a81ab0d 571 return "--icmp-type $$hash{$key}[9] ";
62fc8511
AM		 572 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
573 return;
2a81ab0d
AM		 574 }
575 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
2a81ab0d
AM		 576 if($$hash{$key}[14] eq 'TGT_PORT'){
577 if ($$hash{$key}[15] ne ''){
8f0b047b 578 $$hash{$key}[15] =~ s/\|/,/g;
93a5f4a5
AM		 579 if(index($$hash{$key}[15],",") > 0){
580 return "-m multiport --dport $$hash{$key}[15] ";
581 }else{
a6edca5a
AM		 582 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
583 return "--dport $$hash{$key}[15] ";
584 }else{
829697d0 585 $$hash{$key}[15] =~ s/\:/-/g;
653a71b9 586 return ":$$hash{$key}[15]";
a6edca5a 587 }
93a5f4a5 588 }
2a81ab0d
AM		 589 }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] ne 'All ICMP-Types'){
590 return "--icmp-type $$hash{$key}[13] ";
591 }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] eq 'All ICMP-Types'){
592 return;
593 }
594 }elsif($$hash{$key}[14] eq 'cust_srv'){
595 if ($prot ne 'ICMP'){
653a71b9 596 if($$hash{$key}[31] eq 'dnat' && $$hash{$key}[28] eq 'ON'){
6be32fe5
AM		 597 return ":".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
598 }else{
599 return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
600 }
2a81ab0d
AM		 601 }elsif($prot eq 'ICMP' && $$hash{$key}[15] ne 'All ICMP-Types'){
602 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
603 }elsif($prot eq 'ICMP' && $$hash{$key}[15] eq 'All ICMP-Types'){
604 return;
605 }
606 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
607 if ($prot ne 'ICMP'){
608 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
609 }
610 elsif($prot eq 'ICMP'){
611 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
612 }
2a81ab0d
AM		 613 }
614 }
615}
Timo's tree of IPFire 2.x