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