Forward Firewall: Bugfix: When creating a rule which results in an error, the counter...
[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) 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 "${General::swroot}/lang.pl";
48 require "${General::swroot}/forward/bin/firewall-lib.pl";
49
50 my $configfwdfw = "${General::swroot}/forward/config";
51 my $configinput = "${General::swroot}/forward/input";
52 my $configoutgoing = "${General::swroot}/forward/outgoing";
53 my $p2pfile = "${General::swroot}/forward/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 -A';
64 my $dnat='';
65 my $snat='';
66 &General::readhash("${General::swroot}/forward/settings", \%fwdfwsettings);
67 &General::readhash("$netsettings", \%defaultNetworks);
68 &General::readhasharray($configfwdfw, \%configfwdfw);
69 &General::readhasharray($configinput, \%configinputfw);
70 &General::readhasharray($configoutgoing, \%configoutgoingfw);
71 &General::readhasharray($configgrp, \%customgrp);
72 &General::get_aliases(\%aliases);
73
74 #check if we have an internetconnection
75 open (CONN,"/var/ipfire/red/iface");
76 my $con = <CONN>;
77 close(CONN);
78 if (-f "/var/ipfire/red/active"){
79 $conexists='on';
80 }
81 open (CONN1,"/var/ipfire/red/local-ipaddress");
82 my $redip = <CONN1>;
83 close(CONN1);
84 ################################
85 # DEBUG/TEST #
86 ################################
87 my $MODE=0; # 0 - normal operation
88 # 1 - print configline and rules to console
89 #
90 ################################
91 my $param=shift;
92
93 if($param eq 'flush'){
94 if ($MODE eq '1'){
95 print " Flushing chains...\n";
96 }
97 &flush;
98 }else{
99 if ($MODE eq '1'){
100 print " Flushing chains...\n";
101 }
102 &flush;
103 if ($MODE eq '1'){
104 print " Preparing rules...\n";
105 }
106 &preparerules;
107 if($MODE eq '0'){
108 if ($fwdfwsettings{'POLICY'} eq 'MODE1'){
109 &p2pblock;
110 system ("/usr/sbin/firewall-policy");
111 }elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
112 &p2pblock;
113 system ("iptables -A $CHAIN -m conntrack --ctstate NEW -j ACCEPT");
114 system ("/usr/sbin/firewall-policy");
115 system ("/etc/sysconfig/firewall.local reload");
116 }
117 }
118 }
119 sub flush
120 {
121 system ("iptables -F FORWARDFW");
122 system ("iptables -F INPUTFW");
123 system ("iptables -F OUTGOINGFW");
124 system ("iptables -t nat -F NAT_DESTINATION");
125 system ("iptables -t nat -F NAT_SOURCE");
126 }
127 sub preparerules
128 {
129 if (! -z "${General::swroot}/forward/config"){
130 &buildrules(\%configfwdfw);
131 }
132 if (! -z "${General::swroot}/forward/input"){
133 &buildrules(\%configinputfw);
134 }
135 if (! -z "${General::swroot}/forward/outgoing"){
136 &buildrules(\%configoutgoingfw);
137 }
138 }
139 sub buildrules
140 {
141 my $hash=shift;
142 my $STAG;
143 my $natip;
144 my $snatport;
145 my $fireport;
146 my $nat;
147 my $fwaccessdport;
148 my $natchain;
149 my $icmptype;
150 foreach my $key (sort {$a <=> $b} keys %$hash){
151 next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
152 $command="iptables -A";
153 if ($$hash{$key}[28] eq 'ON'){
154 $command='iptables -t nat -A';
155 $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
156 if($$hash{$key}[31] eq 'dnat'){
157 $nat='DNAT';
158 if ($$hash{$key}[30] =~ /\|/){
159 $$hash{$key}[30]=~ tr/|/,/;
160 $fireport='-m multiport --dport '.$$hash{$key}[30];
161 }else{
162 $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
163 }
164 }else{
165 $nat='SNAT';
166 }
167 }
168 $STAG='';
169 if($$hash{$key}[2] eq 'ON'){
170 #get source ip's
171 if ($$hash{$key}[3] eq 'cust_grp_src'){
172 foreach my $grp (sort {$a <=> $b} keys %customgrp){
173 if($customgrp{$grp}[0] eq $$hash{$key}[4]){
174 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
175 }
176 }
177 }else{
178 &get_address($$hash{$key}[3],$$hash{$key}[4],"src");
179 }
180 #get target ip's
181 if ($$hash{$key}[5] eq 'cust_grp_tgt'){
182 foreach my $grp (sort {$a <=> $b} keys %customgrp){
183 if($customgrp{$grp}[0] eq $$hash{$key}[6]){
184 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
185 }
186 }
187 }elsif($$hash{$key}[5] eq 'ipfire' ){
188 if($$hash{$key}[6] eq 'GREEN'){
189 $targethash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
190 }
191 if($$hash{$key}[6] eq 'BLUE'){
192 $targethash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
193 }
194 if($$hash{$key}[6] eq 'ORANGE'){
195 $targethash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
196 }
197 if($$hash{$key}[6] eq 'ALL'){
198 $targethash{$key}[0]='0.0.0.0/0';
199 }
200 if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
201 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
202 $targethash{$key}[0]= <FILE>;
203 close(FILE);
204 }else{
205 foreach my $alias (sort keys %aliases){
206 if ($$hash{$key}[6] eq $alias){
207 $targethash{$key}[0]=$aliases{$alias}{'IPT'};
208 }
209 }
210 }
211 }else{
212 &get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
213 }
214 ##get source prot and port
215 $SRC_TGT='SRC';
216 $SPROT = &get_prot($hash,$key);
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: $$hash{$key}[$i] ";
249 }
250 print "\n";
251 print"##################################\n";
252 #print rules to console
253 foreach my $DPROT (@DPROT){
254 $DPORT = &get_port($hash,$key,$DPROT);
255 if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
256 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
257 foreach my $a (sort keys %sourcehash){
258 foreach my $b (sort keys %targethash){
259 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
260 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
261 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
262 if(substr($DPORT, 2, 4) eq 'icmp'){
263 my @icmprule= split(",",substr($DPORT, 12,));
264 foreach (@icmprule){
265 $icmptype="--icmp-type ";
266 if ($_ eq "BLANK") {
267 $icmptype="";
268 $_="";
269 }
270 if ($$hash{$key}[17] eq 'ON'){
271 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j LOG\n";
272 }
273 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j $$hash{$key}[0]\n";
274 }
275 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
276 $natchain='NAT_DESTINATION';
277 if ($$hash{$key}[17] eq 'ON'){
278 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
279 }
280 my ($ip,$sub) =split("/",$targethash{$b}[0]);
281 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
282 $DPORT =~ s/\-/:/g;
283 if ($DPORT){
284 $fwaccessdport="--dport ".substr($DPORT,1,);
285 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
286 if ($$hash{$key}[30]=~m/|/i){
287 $$hash{$key}[30] =~ s/\|/,/g;
288 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
289 }else{
290 $fwaccessdport="--dport $$hash{$key}[30]";
291 }
292 }
293 print "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
294 next;
295 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
296 $natchain='NAT_SOURCE';
297 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
298 }
299 if ($$hash{$key}[17] eq 'ON' ){
300 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
301 }
302 if ($PROT ne '-p ICMP'){
303 print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
304 }
305 }
306 }
307 }
308 }
309 print"\n";
310 }
311 }elsif($MODE eq '0'){
312 foreach my $DPROT (@DPROT){
313 $DPORT = &get_port($hash,$key,$DPROT);
314 if ($SPROT ne ''){$PROT=$SPROT;}else{$PROT=$DPROT;}
315 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
316 foreach my $a (sort keys %sourcehash){
317 foreach my $b (sort keys %targethash){
318 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
319 if($SPROT eq '' || $SPROT eq $DPROT || $DPROT eq ' '){
320 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
321 #Process ICMP RULE
322 if(substr($DPORT, 2, 4) eq 'icmp'){
323 my @icmprule= split(",",substr($DPORT, 12,));
324 foreach (@icmprule){
325 $icmptype="--icmp-type ";
326 if ($_ eq "BLANK") {
327 $icmptype="";
328 $_="";
329 }
330 if ($$hash{$key}[17] eq 'ON'){
331 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j LOG");
332 }
333 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j $$hash{$key}[0]");
334 }
335 #PROCESS DNAT RULE (Portforward)
336 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
337 $natchain='NAT_DESTINATION';
338 if ($$hash{$key}[17] eq 'ON'){
339 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
340 }
341 my ($ip,$sub) =split("/",$targethash{$b}[0]);
342 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
343 $DPORT =~ s/\-/:/g;
344 if ($DPORT){
345 $fwaccessdport="--dport ".substr($DPORT,1,);
346 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
347 if ($$hash{$key}[30]=~m/|/i){
348 $$hash{$key}[30] =~ s/\|/,/g;
349 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
350 }else{
351 $fwaccessdport="--dport $$hash{$key}[30]";
352 }
353 }
354 system "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
355 next;
356 #PROCESS SNAT RULE
357 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
358 $natchain='NAT_SOURCE';
359 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
360 }
361 if ($$hash{$key}[17] eq 'ON' && substr($DPORT, 2, 4) ne 'icmp'){
362 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
363 }
364 #PROCESS EVERY OTHER RULE (If NOT ICMP, else the rule would be applied double)
365 if ($PROT ne '-p ICMP'){
366 system "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
367 }
368 }
369 }
370 }
371 }
372 }
373 }
374 }
375 %sourcehash=();
376 %targethash=();
377 undef $TIME;
378 undef $TIMEFROM;
379 undef $TIMETILL;
380 undef $fireport;
381 }
382 }
383 sub get_nat_ip
384 {
385 my $val=shift;
386 my $type=shift;
387 my $result;
388 if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
389 $result=$defaultNetworks{$val.'_ADDRESS'};
390 }elsif($val eq 'ALL'){
391 $result='-i '.$con;
392 }elsif($val eq 'Default IP' && $type eq 'dnat'){
393 $result='-d '.$redip;
394 }elsif($val eq 'Default IP' && $type eq 'snat'){
395 $result=$redip;
396 }else{
397 foreach my $al (sort keys %aliases){
398 if($val eq $al && $type eq 'dnat'){
399 $result='-d '.$aliases{$al}{'IPT'};
400 }elsif($val eq $al && $type eq 'snat'){
401 $result=$aliases{$al}{'IPT'};
402 }
403 }
404 }
405 return $result;
406 }
407 sub get_time
408 {
409 my $val=shift;
410 my $val1=shift;
411 my $time;
412 my $minutes;
413 my $ruletime;
414 $minutes = &utcmin($val);
415 $ruletime = $minutes + &time_get_utc($val);
416 if ($ruletime < 0){$ruletime +=1440;}
417 if ($ruletime > 1440){$ruletime -=1440;}
418 $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
419 return $time;
420 }
421 sub time_get_utc
422 {
423 # Calculates the UTCtime from a given time
424 my $val=shift;
425 my @localtime=localtime(time);
426 my @gmtime=gmtime(time);
427 my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
428 return $diff;
429 }
430 sub utcmin
431 {
432 my $ruletime=shift;
433 my ($hrs,$min) = split(":",$ruletime);
434 my $newtime = $hrs*60+$min;
435 return $newtime;
436 }
437 sub p2pblock
438 {
439 my $P2PSTRING;
440 my $DO;
441 open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
442 @p2ps = <FILE>;
443 close FILE;
444 my $CMD = "-m ipp2p";
445 foreach my $p2pentry (sort @p2ps) {
446 my @p2pline = split( /\;/, $p2pentry );
447 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
448 $DO = "ACCEPT";
449 if ("$p2pline[2]" eq "on") {
450 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
451 }
452 }else {
453 $DO = "RETURN";
454 if ("$p2pline[2]" eq "off") {
455 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
456 }
457 }
458 }
459 if ($MODE eq 1){
460 if($P2PSTRING){
461 print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
462 }
463 }else{
464 if($P2PSTRING){
465 system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
466 }
467 }
468 }
469 sub get_address
470 {
471 my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
472 my $base2=shift;
473 my $type=shift; #src or tgt
474 my $hash;
475 if ($type eq 'src'){
476 $hash=\%sourcehash;
477 }else{
478 $hash=\%targethash;
479 }
480 my $key = &General::findhasharraykey($hash);
481 if($base eq 'src_addr' || $base eq 'tgt_addr' ){
482 if (&General::validmac($base2)){
483 $$hash{$key}[0] = "-m mac --mac-source $base2";
484 }else{
485 $$hash{$key}[0] = $base2;
486 }
487 }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
488 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
489 }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
490 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
491 }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
492 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
493 }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
494 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
495 }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
496 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
497 }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
498 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,11);
499 }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
500 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
501 }elsif($base eq 'ipfire_src' ){
502 if($base2 eq 'GREEN'){
503 $$hash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
504 }
505 if($base2 eq 'BLUE'){
506 $$hash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
507 }
508 if($base2 eq 'ORANGE'){
509 $$hash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
510 }
511 if($base2 eq 'ALL'){
512 $$hash{$key}[0]='0.0.0.0/0';
513 }
514 if($base2 eq 'RED' || $base2 eq 'RED1'){
515 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
516 $$hash{$key}[0]= <FILE>;
517 close(FILE);
518 }else{
519 foreach my $alias (sort keys %aliases){
520 if ($base2 eq $alias){
521 $$hash{$key}[0]=$aliases{$alias}{'IPT'};
522 }
523 }
524 }
525 }
526 }
527 sub get_prot
528 {
529 my $hash=shift;
530 my $key=shift;
531 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
532 if ($$hash{$key}[10] ne ''){
533 return"$$hash{$key}[8]";
534 }elsif($$hash{$key}[9] ne ''){
535 return"$$hash{$key}[8]";
536 }else{
537 return "$$hash{$key}[8]";
538 }
539 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
540 if ($$hash{$key}[14] eq 'TGT_PORT'){
541 if ($$hash{$key}[15] ne ''){
542 return "$$hash{$key}[12]";
543 }elsif($$hash{$key}[13] ne ''){
544 return "$$hash{$key}[12]";
545 }else{
546 return "$$hash{$key}[12]";
547 }
548 }elsif($$hash{$key}[14] eq 'cust_srv'){
549 return &fwlib::get_srv_prot($$hash{$key}[15]);
550
551 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
552 return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
553 }
554 }
555 #DNAT
556 if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
557 return "$$hash{$key}[12]";
558 }
559 }
560 sub get_port
561 {
562 my $hash=shift;
563 my $key=shift;
564 my $prot=shift;
565 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
566 if ($$hash{$key}[10] ne ''){
567 $$hash{$key}[10] =~ s/\|/,/g;
568 if(index($$hash{$key}[10],",") > 0){
569 return "-m multiport --sport $$hash{$key}[10] ";
570 }else{
571 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ||($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat') ){
572 return "--sport $$hash{$key}[10] ";
573 }else{
574 return ":$$hash{$key}[10]";
575 }
576 }
577 }elsif($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
578 return "--icmp-type $$hash{$key}[9] ";
579 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
580 return;
581 }
582 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
583 if($$hash{$key}[14] eq 'TGT_PORT'){
584 if ($$hash{$key}[15] ne ''){
585 $$hash{$key}[15] =~ s/\|/,/g;
586 if(index($$hash{$key}[15],",") > 0){
587 return "-m multiport --dport $$hash{$key}[15] ";
588 }else{
589 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
590 return "--dport $$hash{$key}[15] ";
591 }else{
592 $$hash{$key}[15] =~ s/\:/-/g;
593 return ":$$hash{$key}[15]";
594 }
595 }
596 }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] ne 'All ICMP-Types'){
597 return "--icmp-type $$hash{$key}[13] ";
598 }elsif($$hash{$key}[13] ne '' && $$hash{$key}[13] eq 'All ICMP-Types'){
599 return;
600 }
601 }elsif($$hash{$key}[14] eq 'cust_srv'){
602 if ($prot ne 'ICMP'){
603 if($$hash{$key}[31] eq 'dnat' && $$hash{$key}[28] eq 'ON'){
604 return ":".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
605 }else{
606 return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
607 }
608 }elsif($prot eq 'ICMP' && $$hash{$key}[15] ne 'All ICMP-Types'){
609 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
610 }elsif($prot eq 'ICMP' && $$hash{$key}[15] eq 'All ICMP-Types'){
611 return;
612 }
613 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
614 if ($prot ne 'ICMP'){
615 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
616 }
617 elsif($prot eq 'ICMP'){
618 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
619 }
620 }
621 }
622 }