1cbbee7a58b77e4358cfaf74253c0ceda8cb09b9
[people/teissler/ipfire-2.x.git] / config / forwardfw / rules.pl
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
27 use strict;
28 use Time::Local;
29 no warnings 'uninitialized';
30
31 # enable only the following on debugging purpose
32 #use warnings;
33 #use CGI::Carp 'fatalsToBrowser';
34
35 my %fwdfwsettings=();
36 my %defaultNetworks=();
37 my %configfwdfw=();
38 my %color=();
39 my %icmptypes=();
40 my %ovpnSettings=();
41 my %customgrp=();
42 our %sourcehash=();
43 our %targethash=();
44 my @timeframe=();
45 my %configinputfw=();
46 my %configoutgoingfw=();
47 my %configdmzfw=();
48 my %confignatfw=();
49 my %aliases=();
50 my @DPROT=();
51 my @p2ps=();
52 require '/var/ipfire/general-functions.pl';
53 require "${General::swroot}/lang.pl";
54 require "${General::swroot}/forward/bin/firewall-lib.pl";
55
56 my $configdmz = "${General::swroot}/forward/dmz";
57 my $configfwdfw = "${General::swroot}/forward/config";
58 my $configinput = "${General::swroot}/forward/input";
59 my $configoutgoing = "${General::swroot}/forward/outgoing";
60 my $confignat = "${General::swroot}/forward/nat";
61 my $p2pfile = "${General::swroot}/forward/p2protocols";
62 my $configgrp = "${General::swroot}/fwhosts/customgroups";
63 my $netsettings = "${General::swroot}/ethernet/settings";
64 my $errormessage='';
65 my $orange;
66 my $green;
67 my $blue;
68 my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
69 my $CHAIN="FORWARDFW";
70 my $conexists='off';
71 my $command = 'iptables -A';
72 my $dnat='';
73 my $snat='';
74 &General::readhash("${General::swroot}/forward/settings", \%fwdfwsettings);
75 &General::readhash("$netsettings", \%defaultNetworks);
76 &General::readhasharray($configdmz, \%configdmzfw);
77 &General::readhasharray($configfwdfw, \%configfwdfw);
78 &General::readhasharray($configinput, \%configinputfw);
79 &General::readhasharray($configoutgoing, \%configoutgoingfw);
80 &General::readhasharray($confignat, \%confignatfw);
81 &General::readhasharray($configgrp, \%customgrp);
82 &General::get_aliases(\%aliases);
83
84 #check if we have an internetconnection
85 open (CONN,"/var/ipfire/red/iface");
86 my $con = <CONN>;
87 close(CONN);
88 if (-f "/var/ipfire/red/active"){
89 $conexists='on';
90 }
91 open (CONN1,"/var/ipfire/red/local-ipaddress");
92 my $redip = <CONN1>;
93 close(CONN1);
94 ################################
95 # DEBUG/TEST #
96 ################################
97 my $MODE=1; # 0 - normal operation
98 # 1 - print configline and rules to console
99 #
100 ################################
101 my $param=shift;
102
103 if($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 ($fwdfwsettings{'POLICY'} eq 'MODE1'){
119 &p2pblock;
120 system ("/usr/sbin/firewall-policy");
121 }elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
122 $defaultNetworks{'GREEN_NETMASK'}=&General::iporsubtocidr($defaultNetworks{'GREEN_NETMASK'});
123 $green="$defaultNetworks{'GREEN_ADDRESS'}/$defaultNetworks{'GREEN_NETMASK'}";
124 if ($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 $green -j RETURN");
129 }
130 if ($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 }
139 &p2pblock;
140 system ("iptables -A $CHAIN -m state --state NEW -j ACCEPT");
141 system ("/usr/sbin/firewall-policy");
142 }
143 }
144 }
145 sub flush
146 {
147 system ("iptables -F FORWARDFW");
148 system ("iptables -F INPUTFW");
149 system ("iptables -F OUTGOINGFW");
150 system ("iptables -F PORTFWACCESS");
151 system ("iptables -t nat -F NAT_DESTINATION");
152 system ("iptables -t nat -F NAT_SOURCE");
153 }
154 sub preparerules
155 {
156 if (! -z "${General::swroot}/forward/dmz"){
157 &buildrules(\%configdmzfw);
158 }
159 if (! -z "${General::swroot}/forward/config"){
160 &buildrules(\%configfwdfw);
161 }
162 if (! -z "${General::swroot}/forward/input"){
163 &buildrules(\%configinputfw);
164 }
165 if (! -z "${General::swroot}/forward/outgoing"){
166 &buildrules(\%configoutgoingfw);
167 }
168 if (! -z "${General::swroot}/forward/nat"){
169 &buildrules(\%confignatfw);
170 }
171 }
172 sub buildrules
173 {
174 my $hash=shift;
175 my $STAG;
176 my $natip;
177 my $snatport;
178 my $fireport;
179 my $nat;
180 my $fwaccessdport;
181 foreach my $key (sort {$a <=> $b} keys %$hash){
182 next if ($$hash{$key}[6] eq 'RED' && $conexists eq 'off' );
183 if ($$hash{$key}[28] eq 'ON'){
184 $command='iptables -t nat -A';
185 $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
186 if($$hash{$key}[31] eq 'dnat'){
187 $nat='DNAT';
188 if ($$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 }
194 }else{
195 $nat='SNAT';
196 }
197 }
198 $STAG='';
199 if($$hash{$key}[2] eq 'ON'){
200 #get source ip's
201 if ($$hash{$key}[3] eq 'cust_grp_src'){
202 foreach my $grp (sort {$a <=> $b} keys %customgrp){
203 if($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'){
212 foreach my $grp (sort {$a <=> $b} keys %customgrp){
213 if($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'){
218 if($$hash{$key}[6] eq 'Default IP'){
219 open(FILE, "/var/ipfire/red/local-ipaddress") or die 'Unable to open config file.';
220 $targethash{$key}[0]= <FILE>;
221 close(FILE);
222 }else{
223 foreach my $alias (sort keys %aliases){
224 if ($$hash{$key}[6] eq $alias){
225 $targethash{$key}[0]=$aliases{$alias}{'IPT'};
226 }
227 }
228 }
229 }else{
230 &get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
231 }
232 ##get source prot and port
233 $SRC_TGT='SRC';
234 $SPROT = &get_prot($hash,$key);
235 $SPORT = &get_port($hash,$key);
236 $SRC_TGT='';
237
238 ##get target prot and port
239 $DPROT=&get_prot($hash,$key);
240
241 if ($DPROT eq ''){$DPROT=' ';}
242 @DPROT=split(",",$DPROT);
243
244 #get time if defined
245 if($$hash{$key}[18] eq 'ON'){
246 my ($time1,$time2,$daylight);
247 my $daylight=$$hash{$key}[28];
248 $time1=&get_time($$hash{$key}[26],$daylight);
249 $time2=&get_time($$hash{$key}[27],$daylight);
250 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
251 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
252 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
253 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
254 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
255 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
256 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
257 $TIME=join(",",@timeframe);
258
259 $TIMEFROM="--timestart $time1 ";
260 $TIMETILL="--timestop $time2 ";
261 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
262 }
263 if ($MODE eq '1'){
264 print "NR:$key ";
265 foreach my $i (0 .. $#{$$hash{$key}}){
266 print "$i: $$hash{$key}[$i] ";
267 }
268 print "\n";
269 print"##################################\n";
270 #print rules to console
271 foreach my $DPROT (@DPROT){
272 $DPORT = &get_port($hash,$key,$DPROT);
273 if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
274 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
275 foreach my $a (sort keys %sourcehash){
276 foreach my $b (sort keys %targethash){
277 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
278 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
279 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
280 if(substr($DPORT, 2, 4) eq 'icmp'){
281 my @icmprule= split(",",substr($DPORT, 12,));
282 foreach (@icmprule){
283 if ($$hash{$key}[17] eq 'ON'){
284 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j LOG\n";
285 }
286 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]\n";
287 }
288 }elsif($$hash{$key}[28] ne 'ON'){
289 if ($$hash{$key}[17] eq 'ON'){
290 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
291 }
292 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
293 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
294 if ($$hash{$key}[17] eq 'ON'){
295 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
296 }
297 my ($ip,$sub) =split("/",$targethash{$b}[0]);
298 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
299 $DPORT =~ s/\-/:/g;
300 if ($DPORT){
301 $fwaccessdport="--dport ".substr($DPORT,1,);
302 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
303 if ($$hash{$key}[30]=~m/|/i){
304 $$hash{$key}[30] =~ s/\|/,/g;
305 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
306 }else{
307 $fwaccessdport="--dport $$hash{$key}[30]";
308 }
309 }
310 print "iptables -A PORTFWACCESS $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
311 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
312 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
313 }
314 }
315 }
316 }
317 }
318 print"\n";
319 }
320 }elsif($MODE eq '0'){
321 foreach my $DPROT (@DPROT){
322 $DPORT = &get_port($hash,$key,$DPROT);
323 if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
324 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
325 foreach my $a (sort keys %sourcehash){
326 foreach my $b (sort keys %targethash){
327 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
328 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
329 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
330 if(substr($DPORT, 2, 4) eq 'icmp'){
331 my @icmprule= split(",",substr($DPORT, 12,));
332 foreach (@icmprule){
333 if ($$hash{$key}[17] eq 'ON'){
334 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] -- icmp-type $_ $TIME -j LOG");
335 }
336 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] --icmp-type $_ $TIME -j $$hash{$key}[0]");
337 }
338 }elsif($$hash{$key}[28] ne 'ON'){
339 if ($$hash{$key}[17] eq 'ON'){
340 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
341 }
342 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
343 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
344 if ($$hash{$key}[17] eq 'ON'){
345 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
346 }
347 my ($ip,$sub) =split("/",$targethash{$b}[0]);
348 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
349 $DPORT =~ s/\-/:/g;
350 if ($DPORT){
351 $fwaccessdport="--dport ".substr($DPORT,1,);
352 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
353 if ($$hash{$key}[30]=~m/|/i){
354 $$hash{$key}[30] =~ s/\|/,/g;
355 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
356 }else{
357 $fwaccessdport="--dport $$hash{$key}[30]";
358 }
359 }
360 system "iptables -A PORTFWACCESS $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
361 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
362 if ($$hash{$key}[17] eq 'ON'){
363 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT '\n";
364 }
365 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip$fireport\n";
366 }
367 }
368 }
369 }
370 }
371 }
372 }
373 }
374 %sourcehash=();
375 %targethash=();
376 undef $TIME;
377 undef $TIMEFROM;
378 undef $TIMETILL;
379 undef $fireport;
380 }
381 }
382 sub get_nat_ip
383 {
384 my $val=shift;
385 my $type=shift;
386 my $result;
387 if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
388 $result=$defaultNetworks{$val.'_ADDRESS'};
389 }elsif($val eq 'ALL'){
390 $result='-i '.$con;
391 }elsif($val eq 'Default IP' && $type eq 'dnat'){
392 $result='-d '.$redip;
393 }elsif($val eq 'Default IP' && $type eq 'snat'){
394 $result=$redip;
395 }else{
396 foreach my $al (sort keys %aliases){
397 if($val eq $al && $type eq 'dnat'){
398 $result='-d '.$aliases{$al}{'IPT'};
399 }elsif($val eq $al && $type eq 'snat'){
400 $result=$aliases{$al}{'IPT'};
401 }
402 }
403 }
404 return $result;
405 }
406 sub get_time
407 {
408 my $val=shift;
409 my $val1=shift;
410 my $time;
411 my $minutes;
412 my $ruletime;
413 $minutes = &utcmin($val);
414 $ruletime = $minutes + &time_get_utc($val);
415 if ($ruletime < 0){$ruletime +=1440;}
416 if ($ruletime > 1440){$ruletime -=1440;}
417 $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
418 return $time;
419 }
420 sub time_get_utc
421 {
422 # Calculates the UTCtime from a given time
423 my $val=shift;
424 my @localtime=localtime(time);
425 my @gmtime=gmtime(time);
426 my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
427 return $diff;
428 }
429 sub utcmin
430 {
431 my $ruletime=shift;
432 my ($hrs,$min) = split(":",$ruletime);
433 my $newtime = $hrs*60+$min;
434 return $newtime;
435 }
436 sub p2pblock
437 {
438 my $P2PSTRING;
439 my $DO;
440 open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
441 @p2ps = <FILE>;
442 close FILE;
443 my $CMD = "-m ipp2p";
444 foreach my $p2pentry (sort @p2ps) {
445 my @p2pline = split( /\;/, $p2pentry );
446 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
447 $DO = "ACCEPT";
448 if ("$p2pline[2]" eq "on") {
449 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
450 }
451 }else {
452 $DO = "RETURN";
453 if ("$p2pline[2]" eq "off") {
454 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
455 }
456 }
457 }
458 if ($MODE eq 1){
459 if($P2PSTRING){
460 print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
461 }
462 }else{
463 if($P2PSTRING){
464 system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
465 }
466 }
467 }
468 sub get_address
469 {
470 my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
471 my $base2=shift;
472 my $type=shift; #src or tgt
473 my $hash;
474 if ($type eq 'src'){
475 $hash=\%sourcehash;
476 }else{
477 $hash=\%targethash;
478 }
479 my $key = &General::findhasharraykey($hash);
480 if($base eq 'src_addr' || $base eq 'tgt_addr' ){
481 if (&General::validmac($base2)){
482 $$hash{$key}[0] = "-m mac --mac-source $base2";
483 }else{
484 $$hash{$key}[0] = $base2;
485 }
486 }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
487 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
488 }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
489 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
490 }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
491 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
492 }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
493 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
494 }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
495 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
496 }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
497 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,27);
498 }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
499 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
500 }
501 }
502 sub get_prot
503 {
504 my $hash=shift;
505 my $key=shift;
506 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
507 if ($$hash{$key}[10] ne ''){
508 return"$$hash{$key}[8]";
509 }elsif($$hash{$key}[9] ne ''){
510 return"$$hash{$key}[8]";
511 }else{
512 return "$$hash{$key}[8]";
513 }
514 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
515 if ($$hash{$key}[14] eq 'TGT_PORT'){
516 if ($$hash{$key}[15] ne ''){
517 return "$$hash{$key}[12]";
518 }elsif($$hash{$key}[13] ne ''){
519 return "$$hash{$key}[12]";
520 }else{
521 return "$$hash{$key}[12]";
522 }
523 }elsif($$hash{$key}[14] eq 'cust_srv'){
524 return &fwlib::get_srv_prot($$hash{$key}[15]);
525
526 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
527 return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
528 }
529 }
530 #DNAT
531 if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
532 return "$$hash{$key}[12]";
533 }
534 }
535 sub get_port
536 {
537 my $hash=shift;
538 my $key=shift;
539 my $prot=shift;
540 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
541 if ($$hash{$key}[10] ne ''){
542 $$hash{$key}[10] =~ s/\|/,/g;
543 if(index($$hash{$key}[10],",") > 0){
544 return "-m multiport --sport $$hash{$key}[10] ";
545 }else{
546 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ||($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat') ){
547 return "--sport $$hash{$key}[10] ";
548 }else{
549 return ":$$hash{$key}[10]";
550 }
551 }
552 }elsif($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
553 return "--icmp-type $$hash{$key}[9] ";
554 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
555 return;
556 }
557 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
558 if($$hash{$key}[14] eq 'TGT_PORT'){
559 if ($$hash{$key}[15] ne ''){
560 $$hash{$key}[15] =~ s/\|/,/g;
561 if(index($$hash{$key}[15],",") > 0){
562 return "-m multiport --dport $$hash{$key}[15] ";
563 }else{
564 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
565 return "--dport $$hash{$key}[15] ";
566 }else{
567 $$hash{$key}[15] =~ s/\:/-/g;
568 return ":$$hash{$key}[15]";
569 }
570 }
571 }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] ne 'All ICMP-Types'){
572 return "--icmp-type $$hash{$key}[13] ";
573 }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] eq 'All ICMP-Types'){
574 return;
575 }
576 }elsif($$hash{$key}[14] eq 'cust_srv'){
577 if ($prot ne 'ICMP'){
578 if($$hash{$key}[31] eq 'dnat'){
579 return ":".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
580 }else{
581 return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
582 }
583 }elsif($prot eq 'ICMP' && $$hash{$key}[15] ne 'All ICMP-Types'){
584 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
585 }elsif($prot eq 'ICMP' && $$hash{$key}[15] eq 'All ICMP-Types'){
586 return;
587 }
588 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
589 if ($prot ne 'ICMP'){
590 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
591 }
592 elsif($prot eq 'ICMP'){
593 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
594 }
595 }
596 }
597 }