Merge branch 'next' of ssh://git.ipfire.org/pub/git/ipfire-2.x into next
[people/teissler/ipfire-2.x.git] / config / firewall / rules.pl
1 #!/usr/bin/perl
2 ###############################################################################
3 # #
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2013 Alexander Marx <amarx@ipfire.org> #
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 use strict;
23 use Time::Local;
24 no warnings 'uninitialized';
25
26 # enable only the following on debugging purpose
27 #use warnings;
28 #use CGI::Carp 'fatalsToBrowser';
29
30 my %fwdfwsettings=();
31 my %defaultNetworks=();
32 my %configfwdfw=();
33 my %color=();
34 my %icmptypes=();
35 my %ovpnSettings=();
36 my %customgrp=();
37 our %sourcehash=();
38 our %targethash=();
39 my @timeframe=();
40 my %configinputfw=();
41 my %configoutgoingfw=();
42 my %confignatfw=();
43 my %aliases=();
44 my @DPROT=();
45 my @p2ps=();
46 require '/var/ipfire/general-functions.pl';
47 require "${General::swroot}/lang.pl";
48 require "/usr/lib/firewall/firewall-lib.pl";
49
50 my $configfwdfw = "${General::swroot}/firewall/config";
51 my $configinput = "${General::swroot}/firewall/input";
52 my $configoutgoing = "${General::swroot}/firewall/outgoing";
53 my $p2pfile = "${General::swroot}/firewall/p2protocols";
54 my $configgrp = "${General::swroot}/fwhosts/customgroups";
55 my $netsettings = "${General::swroot}/ethernet/settings";
56 my $errormessage = '';
57 my $orange = '';
58 my $green = '';
59 my $blue = '';
60 my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
61 my $CHAIN = "FORWARDFW";
62 my $conexists = 'off';
63 my $command = 'iptables --wait -A';
64 my $dnat ='';
65 my $snat ='';
66
67 &General::readhash("${General::swroot}/firewall/settings", \%fwdfwsettings);
68 &General::readhash("$netsettings", \%defaultNetworks);
69 &General::readhasharray($configfwdfw, \%configfwdfw);
70 &General::readhasharray($configinput, \%configinputfw);
71 &General::readhasharray($configoutgoing, \%configoutgoingfw);
72 &General::readhasharray($configgrp, \%customgrp);
73 &General::get_aliases(\%aliases);
74
75 #check if we have an internetconnection
76 open (CONN,"/var/ipfire/red/iface");
77 my $con = <CONN>;
78 close(CONN);
79 if (-f "/var/ipfire/red/active"){
80 $conexists='on';
81 }
82 open (CONN1,"/var/ipfire/red/local-ipaddress");
83 my $redip = <CONN1>;
84 close(CONN1);
85 #################
86 # DEBUG/TEST #
87 #################
88 my $MODE=0; # 0 - normal operation
89 # 1 - print configline and rules to console
90 #
91 #################
92 my $param=shift;
93
94 if($param eq 'flush'){
95 if ($MODE eq '1'){
96 print " Flushing chains...\n";
97 }
98 &flush;
99 }else{
100 if ($MODE eq '1'){
101 print " Flushing chains...\n";
102 }
103 &flush;
104 if ($MODE eq '1'){
105 print " Preparing rules...\n";
106 }
107 &preparerules;
108 if($MODE eq '0'){
109 if ($fwdfwsettings{'POLICY'} eq 'MODE1'){
110 &p2pblock;
111 system ("/usr/sbin/firewall-policy");
112 }elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
113 &p2pblock;
114 system ("iptables --wait -A $CHAIN -m conntrack --ctstate NEW -j ACCEPT");
115 system ("/usr/sbin/firewall-policy");
116 system ("/etc/sysconfig/firewall.local reload");
117 }
118 }
119 }
120 sub flush
121 {
122 system ("iptables --wait -F FORWARDFW");
123 system ("iptables --wait -F INPUTFW");
124 system ("iptables --wait -F OUTGOINGFW");
125 system ("iptables --wait -t nat -F NAT_DESTINATION");
126 system ("iptables --wait -t nat -F NAT_SOURCE");
127 }
128 sub preparerules
129 {
130 if (! -z "${General::swroot}/firewall/config"){
131 &buildrules(\%configfwdfw);
132 }
133 if (! -z "${General::swroot}/firewall/input"){
134 &buildrules(\%configinputfw);
135 }
136 if (! -z "${General::swroot}/firewall/outgoing"){
137 &buildrules(\%configoutgoingfw);
138 }
139 }
140 sub buildrules
141 {
142 my $hash=shift;
143 my $STAG;
144 my $natip;
145 my $snatport;
146 my $fireport;
147 my $nat;
148 my $fwaccessdport;
149 my $natchain;
150 my $icmptype;
151 foreach my $key (sort {$a <=> $b} keys %$hash){
152 next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
153 $command="iptables --wait -A";
154 if ($$hash{$key}[28] eq 'ON'){
155 $command='iptables --wait -t nat -A';
156 $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
157 if($$hash{$key}[31] eq 'dnat'){
158 $nat='DNAT';
159 if ($$hash{$key}[30] =~ /\|/){
160 $$hash{$key}[30]=~ tr/|/,/;
161 $fireport='-m multiport --dport '.$$hash{$key}[30];
162 }else{
163 $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
164 }
165 }else{
166 $nat='SNAT';
167 }
168 }
169 $STAG='';
170 if($$hash{$key}[2] eq 'ON'){
171 #get source ip's
172 if ($$hash{$key}[3] eq 'cust_grp_src'){
173 foreach my $grp (sort {$a <=> $b} keys %customgrp){
174 if($customgrp{$grp}[0] eq $$hash{$key}[4]){
175 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
176 }
177 }
178 }else{
179 &get_address($$hash{$key}[3],$$hash{$key}[4],"src");
180 }
181 #get target ip's
182 if ($$hash{$key}[5] eq 'cust_grp_tgt'){
183 foreach my $grp (sort {$a <=> $b} keys %customgrp){
184 if($customgrp{$grp}[0] eq $$hash{$key}[6]){
185 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
186 }
187 }
188 }elsif($$hash{$key}[5] eq 'ipfire' ){
189 if($$hash{$key}[6] eq 'GREEN'){
190 $targethash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
191 }
192 if($$hash{$key}[6] eq 'BLUE'){
193 $targethash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
194 }
195 if($$hash{$key}[6] eq 'ORANGE'){
196 $targethash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
197 }
198 if($$hash{$key}[6] eq 'ALL'){
199 $targethash{$key}[0]='0.0.0.0/0';
200 }
201 if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
202 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
203 $targethash{$key}[0]= <FILE>;
204 close(FILE);
205 }else{
206 foreach my $alias (sort keys %aliases){
207 if ($$hash{$key}[6] eq $alias){
208 $targethash{$key}[0]=$aliases{$alias}{'IPT'};
209 }
210 }
211 }
212 }else{
213 &get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
214 }
215 ##get source prot and port
216 $SRC_TGT='SRC';
217 $SPORT = &get_port($hash,$key);
218 $SRC_TGT='';
219
220 ##get target prot and port
221 $DPROT=&get_prot($hash,$key);
222
223 if ($DPROT eq ''){$DPROT=' ';}
224 @DPROT=split(",",$DPROT);
225
226 #get time if defined
227 if($$hash{$key}[18] eq 'ON'){
228 my ($time1,$time2,$daylight);
229 my $daylight=$$hash{$key}[28];
230 $time1=&get_time($$hash{$key}[26],$daylight);
231 $time2=&get_time($$hash{$key}[27],$daylight);
232 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
233 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
234 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
235 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
236 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
237 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
238 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
239 $TIME=join(",",@timeframe);
240
241 $TIMEFROM="--timestart $time1 ";
242 $TIMETILL="--timestop $time2 ";
243 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
244 }
245 if ($MODE eq '1'){
246 print "NR:$key ";
247 foreach my $i (0 .. $#{$$hash{$key}}){
248 print "$i: $$hash{$key}[$i] ";
249 }
250 print "\n";
251 print"##################################\n";
252 #print rules to console
253 foreach my $DPROT (@DPROT){
254 $DPORT = &get_port($hash,$key,$DPROT);
255 if ($DPROT ne 'TCP' && $DPROT ne 'UDP' && $DPROT ne 'ICMP' ){
256 $DPORT='';
257 }
258 $PROT=$DPROT;
259 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
260 foreach my $a (sort keys %sourcehash){
261 foreach my $b (sort keys %targethash){
262 next if ($targethash{$b}[0] eq 'none');
263 $STAG='';
264 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
265 if($DPROT ne ''){
266 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
267 #Process ICMP RULE
268 if(substr($DPORT, 2, 4) eq 'icmp'){
269 my @icmprule= split(",",substr($DPORT, 12,));
270 foreach (@icmprule){
271 $icmptype="--icmp-type ";
272 if ($_ eq "BLANK") {
273 $icmptype="";
274 $_="";
275 }
276 if ($$hash{$key}[17] eq 'ON'){
277 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j LOG\n";
278 }
279 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j $$hash{$key}[0]\n";
280 }
281 #PROCESS DNAT RULE (Portforward)
282 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
283 $natchain='NAT_DESTINATION';
284 if ($$hash{$key}[17] eq 'ON'){
285 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
286 }
287 my ($ip,$sub) =split("/",$targethash{$b}[0]);
288 #Process NAT with servicegroup used
289 if ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[14] eq 'cust_srvgrp'){
290 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip $DPORT\n";
291 $fwaccessdport=$DPORT;
292 }else{
293 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
294 $DPORT =~ s/\-/:/g;
295 if ($DPORT){
296 $fwaccessdport="--dport ".substr($DPORT,1,);
297 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
298 if ($$hash{$key}[30]=~m/|/i){
299 $$hash{$key}[30] =~ s/\|/,/g;
300 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
301 }else{
302 $fwaccessdport="--dport $$hash{$key}[30]";
303 }
304 }
305 }
306 print "iptables --wait -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
307 next;
308 #PROCESS SNAT RULE
309 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
310 $natchain='NAT_SOURCE';
311 if ($$hash{$key}[17] eq 'ON' ){
312 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT' \n";
313 }
314 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
315 }
316 #PROCESS EVERY OTHER RULE (If NOT ICMP, else the rule would be applied double)
317 if ($PROT ne '-p ICMP'){
318 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
319 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
320 }
321 print "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
322 }
323 #PROCESS Prot ICMP and type = All ICMP-Types
324 if ($PROT eq '-p ICMP' && $$hash{$key}[9] eq 'All ICMP-Types'){
325 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
326 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
327 }
328 print "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
329 }
330 }
331 }
332 }
333 }
334 print"\n";
335 }
336 }elsif($MODE eq '0'){
337 foreach my $DPROT (@DPROT){
338 $DPORT = &get_port($hash,$key,$DPROT);
339 $PROT=$DPROT;
340 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
341 if ($DPROT ne 'TCP' && $DPROT ne'UDP' && $DPROT ne 'ICMP' ){
342 $DPORT='';
343 }
344 foreach my $a (sort keys %sourcehash){
345 foreach my $b (sort keys %targethash){
346 next if ($targethash{$b}[0] eq 'none');
347 $STAG='';
348 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
349 if($DPROT ne ''){
350 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
351 #Process ICMP RULE
352 if(substr($DPORT, 2, 4) eq 'icmp'){
353 my @icmprule= split(",",substr($DPORT, 12,));
354 foreach (@icmprule){
355 $icmptype="--icmp-type ";
356 if ($_ eq "BLANK") {
357 $icmptype="";
358 $_="";
359 }
360 if ($$hash{$key}[17] eq 'ON'){
361 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j LOG");
362 }
363 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j $$hash{$key}[0]");
364 }
365 #PROCESS DNAT RULE (Portforward)
366 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
367 $natchain='NAT_DESTINATION';
368 if ($$hash{$key}[17] eq 'ON'){
369 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
370 }
371 my ($ip,$sub) =split("/",$targethash{$b}[0]);
372 #Process NAT with servicegroup used
373 if ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[14] eq 'cust_srvgrp'){
374 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip $DPORT\n";
375 $fwaccessdport=$DPORT;
376 }else{
377 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
378 $DPORT =~ s/\-/:/g;
379 if ($DPORT){
380 $fwaccessdport="--dport ".substr($DPORT,1,);
381 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
382 if ($$hash{$key}[30]=~m/|/i){
383 $$hash{$key}[30] =~ s/\|/,/g;
384 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
385 }else{
386 $fwaccessdport="--dport $$hash{$key}[30]";
387 }
388 }
389 }
390 system "iptables --wait -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
391 next;
392 #PROCESS SNAT RULE
393 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
394 $natchain='NAT_SOURCE';
395 if ($$hash{$key}[17] eq 'ON' ){
396 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT' \n";
397 }
398 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
399 }
400 #PROCESS EVERY OTHER RULE (If NOT ICMP, else the rule would be applied double)
401 if ($PROT ne '-p ICMP'){
402 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
403 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
404 }
405 system "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
406 }
407 #PROCESS Prot ICMP and type = All ICMP-Types
408 if ($PROT eq '-p ICMP' && $$hash{$key}[9] eq 'All ICMP-Types'){
409 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
410 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
411 }
412 system "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
413 }
414 }
415 }
416 }
417 }
418 }
419 }
420 }
421 %sourcehash=();
422 %targethash=();
423 undef $TIME;
424 undef $TIMEFROM;
425 undef $TIMETILL;
426 undef $fireport;
427 }
428 }
429 sub get_nat_ip
430 {
431 my $val=shift;
432 my $type=shift;
433 my $result;
434 if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
435 $result=$defaultNetworks{$val.'_ADDRESS'};
436 }elsif($val eq 'ALL'){
437 $result='-i '.$con;
438 }elsif($val eq 'Default IP' && $type eq 'dnat'){
439 $result='-d '.$redip;
440 }elsif($val eq 'Default IP' && $type eq 'snat'){
441 $result=$redip;
442 }else{
443 foreach my $al (sort keys %aliases){
444 if($val eq $al && $type eq 'dnat'){
445 $result='-d '.$aliases{$al}{'IPT'};
446 }elsif($val eq $al && $type eq 'snat'){
447 $result=$aliases{$al}{'IPT'};
448 }
449 }
450 }
451 return $result;
452 }
453 sub get_time
454 {
455 my $val=shift;
456 my $val1=shift;
457 my $time;
458 my $minutes;
459 my $ruletime;
460 $minutes = &utcmin($val);
461 $ruletime = $minutes + &time_get_utc($val);
462 if ($ruletime < 0){$ruletime +=1440;}
463 if ($ruletime > 1440){$ruletime -=1440;}
464 $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
465 return $time;
466 }
467 sub time_get_utc
468 {
469 # Calculates the UTCtime from a given time
470 my $val=shift;
471 my @localtime=localtime(time);
472 my @gmtime=gmtime(time);
473 my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
474 return $diff;
475 }
476 sub utcmin
477 {
478 my $ruletime=shift;
479 my ($hrs,$min) = split(":",$ruletime);
480 my $newtime = $hrs*60+$min;
481 return $newtime;
482 }
483 sub p2pblock
484 {
485 my $P2PSTRING;
486 my $DO;
487 open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
488 @p2ps = <FILE>;
489 close FILE;
490 my $CMD = "-m ipp2p";
491 foreach my $p2pentry (sort @p2ps) {
492 my @p2pline = split( /\;/, $p2pentry );
493 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
494 $DO = "ACCEPT";
495 if ("$p2pline[2]" eq "on") {
496 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
497 }
498 }else {
499 $DO = "RETURN";
500 if ("$p2pline[2]" eq "off") {
501 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
502 }
503 }
504 }
505 if ($MODE eq 1){
506 if($P2PSTRING){
507 print"/sbin/iptables --wait -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
508 }
509 }else{
510 if($P2PSTRING){
511 system("/sbin/iptables --wait -A FORWARDFW $CMD $P2PSTRING -j $DO");
512 }
513 }
514 }
515 sub get_address
516 {
517 my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
518 my $base2=shift;
519 my $type=shift; #src or tgt
520 my $hash;
521 if ($type eq 'src'){
522 $hash=\%sourcehash;
523 }else{
524 $hash=\%targethash;
525 }
526 my $key = &General::findhasharraykey($hash);
527 if($base eq 'src_addr' || $base eq 'tgt_addr' ){
528 if (&General::validmac($base2)){
529 $$hash{$key}[0] = "-m mac --mac-source $base2";
530 }else{
531 $$hash{$key}[0] = $base2;
532 }
533 }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
534 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
535 }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
536 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
537 }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
538 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
539 }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
540 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
541 }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
542 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
543 }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
544 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,11);
545 }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
546 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
547 }elsif($base eq 'ipfire_src' ){
548 if($base2 eq 'GREEN'){
549 $$hash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
550 }
551 if($base2 eq 'BLUE'){
552 $$hash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
553 }
554 if($base2 eq 'ORANGE'){
555 $$hash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
556 }
557 if($base2 eq 'ALL'){
558 $$hash{$key}[0]='0.0.0.0/0';
559 }
560 if($base2 eq 'RED' || $base2 eq 'RED1'){
561 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
562 $$hash{$key}[0]= <FILE>;
563 close(FILE);
564 }else{
565 foreach my $alias (sort keys %aliases){
566 if ($base2 eq $alias){
567 $$hash{$key}[0]=$aliases{$alias}{'IPT'};
568 }
569 }
570 }
571 }
572 }
573 sub get_prot
574 {
575 my $hash=shift;
576 my $key=shift;
577 #check AH,GRE,ESP or ICMP
578 if ($$hash{$key}[7] ne 'ON' && $$hash{$key}[11] ne 'ON'){
579 return "$$hash{$key}[8]";
580 }
581 if ($$hash{$key}[7] eq 'ON' || $$hash{$key}[11] eq 'ON'){
582 #check if servicegroup or service
583 if($$hash{$key}[14] eq 'cust_srv'){
584 return &fwlib::get_srv_prot($$hash{$key}[15]);
585 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
586 return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
587 }elsif (($$hash{$key}[10] ne '' || $$hash{$key}[15] ne '') && $$hash{$key}[8] eq ''){ #when ports are used and prot set to "all"
588 return "TCP,UDP";
589 }elsif (($$hash{$key}[10] ne '' || $$hash{$key}[15] ne '') && ($$hash{$key}[8] eq 'TCP' || $$hash{$key}[8] eq 'UDP')){ #when ports are used and prot set to "tcp" or "udp"
590 return "$$hash{$key}[8]";
591 }elsif (($$hash{$key}[10] eq '' && $$hash{$key}[15] eq '') && $$hash{$key}[8] ne 'ICMP'){ #when ports are NOT used and prot NOT set to "ICMP"
592 return "$$hash{$key}[8]";
593 }else{
594 return "$$hash{$key}[8]";
595 }
596 }
597 #DNAT
598 if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
599 return "$$hash{$key}[8]";
600 }
601 }
602 sub get_port
603 {
604 my $hash=shift;
605 my $key=shift;
606 my $prot=shift;
607 #Get manual defined Ports from SOURCE
608 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
609 if ($$hash{$key}[10] ne ''){
610 $$hash{$key}[10] =~ s/\|/,/g;
611 if(index($$hash{$key}[10],",") > 0){
612 return "-m multiport --sport $$hash{$key}[10] ";
613 }else{
614 if($$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') ){
615 return "--sport $$hash{$key}[10] ";
616 }else{
617 return ":$$hash{$key}[10]";
618 }
619 }
620 }
621 #Get manual ports from TARGET
622 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
623 if($$hash{$key}[14] eq 'TGT_PORT'){
624 if ($$hash{$key}[15] ne ''){
625 $$hash{$key}[15] =~ s/\|/,/g;
626 if(index($$hash{$key}[15],",") > 0){
627 return "-m multiport --dport $$hash{$key}[15] ";
628 }else{
629 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
630 return "--dport $$hash{$key}[15] ";
631 }else{
632 $$hash{$key}[15] =~ s/\:/-/g;
633 return ":$$hash{$key}[15]";
634 }
635 }
636 }
637 #Get ports defined in custom Service (firewall-groups)
638 }elsif($$hash{$key}[14] eq 'cust_srv'){
639 if ($prot ne 'ICMP'){
640 if($$hash{$key}[31] eq 'dnat' && $$hash{$key}[28] eq 'ON'){
641 my $ports =&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
642 $ports =~ s/\:/-/g;
643 return ":".$ports
644 }else{
645 return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
646 }
647 }elsif($prot eq 'ICMP' && $$hash{$key}[11] eq 'ON'){ #When PROT is ICMP and "use targetport is checked, this is an icmp-service
648 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
649 }
650 #Get ports from services which are used in custom servicegroups (firewall-groups)
651 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
652 if ($prot ne 'ICMP'){
653 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
654 }
655 elsif($prot eq 'ICMP'){
656 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
657 }
658 }
659 }
660 #CHECK ICMP
661 if ($$hash{$key}[7] ne 'ON' && $$hash{$key}[11] ne 'ON' && $SRC_TGT eq ''){
662 if($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
663 return "--icmp-type $$hash{$key}[9] ";
664 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
665 return;
666 }
667 }
668 }