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Firewall: added some more plausichecks and additional errormessages
[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 #
5bee9a9d 5# Copyright (C) 2013 Alexander Marx <amarx@ipfire.org> #
2a81ab0d
AM		 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###############################################################################
2a81ab0d 21
2a81ab0d 22use strict;
472136c9 23use Time::Local;
2a81ab0d
AM		 24no warnings 'uninitialized';
25
26# enable only the following on debugging purpose
27#use warnings;
28#use CGI::Carp 'fatalsToBrowser';
29
30my %fwdfwsettings=();
31my %defaultNetworks=();
32my %configfwdfw=();
33my %color=();
34my %icmptypes=();
35my %ovpnSettings=();
36my %customgrp=();
37our %sourcehash=();
38our %targethash=();
39my @timeframe=();
40my %configinputfw=();
5d7faa45 41my %configoutgoingfw=();
a6edca5a 42my %confignatfw=();
2a81ab0d
AM		 43my %aliases=();
44my @DPROT=();
36196d0d 45my @p2ps=();
2a81ab0d
AM		 46require '/var/ipfire/general-functions.pl';
47require "${General::swroot}/lang.pl";
48require "${General::swroot}/forward/bin/firewall-lib.pl";
49
50my $configfwdfw = "${General::swroot}/forward/config";
51my $configinput = "${General::swroot}/forward/input";
5d7faa45 52my $configoutgoing = "${General::swroot}/forward/outgoing";
36196d0d 53my $p2pfile = "${General::swroot}/forward/p2protocols";
2a81ab0d 54my $configgrp = "${General::swroot}/fwhosts/customgroups";
210ee67b 55my $netsettings = "${General::swroot}/ethernet/settings";
2a81ab0d 56my $errormessage='';
210ee67b
AM		 57my $orange;
58my $green;
6adcf156 59my $blue;
2a81ab0d
AM		 60my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
61my $CHAIN="FORWARDFW";
ddcec9d3 62my $conexists='off';
a6edca5a
AM		 63my $command = 'iptables -A';
64my $dnat='';
65my $snat='';
2a81ab0d 66&General::readhash("${General::swroot}/forward/settings", \%fwdfwsettings);
210ee67b 67&General::readhash("$netsettings", \%defaultNetworks);
2a81ab0d
AM		 68&General::readhasharray($configfwdfw, \%configfwdfw);
69&General::readhasharray($configinput, \%configinputfw);
5d7faa45 70&General::readhasharray($configoutgoing, \%configoutgoingfw);
2a81ab0d
AM		 71&General::readhasharray($configgrp, \%customgrp);
72&General::get_aliases(\%aliases);
73
ddcec9d3
AM		 74#check if we have an internetconnection
75open (CONN,"/var/ipfire/red/iface");
76my $con = <CONN>;
77close(CONN);
78if (-f "/var/ipfire/red/active"){
79 $conexists='on';
80}
a6edca5a
AM		 81open (CONN1,"/var/ipfire/red/local-ipaddress");
82my $redip = <CONN1>;
83close(CONN1);
2a81ab0d
AM		 84################################
85# DEBUG/TEST #
86################################
dc21519f 87my $MODE=0; # 0 - normal operation
2a81ab0d
AM		 88 # 1 - print configline and rules to console
89 #
90################################
91my $param=shift;
92
93if($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 ($fwdfwsettings{'POLICY'} eq 'MODE1'){
af49e367 109 &p2pblock;
5d7faa45 110 system ("/usr/sbin/firewall-policy");
2a81ab0d 111 }elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
6adcf156 112 &p2pblock;
b85d2a98 113 system ("iptables -A $CHAIN -m conntrack --ctstate NEW -j ACCEPT");
5d7faa45 114 system ("/usr/sbin/firewall-policy");
674f4e9d 115 system ("/etc/sysconfig/firewall.local reload");
2a81ab0d
AM		 116 }
117 }
118}
2a81ab0d
AM		 119sub flush
120{
121 system ("iptables -F FORWARDFW");
122 system ("iptables -F INPUTFW");
5d7faa45 123 system ("iptables -F OUTGOINGFW");
28640b73
AM		 124 system ("iptables -t nat -F NAT_DESTINATION");
125 system ("iptables -t nat -F NAT_SOURCE");
2a81ab0d
AM		 126}
127sub preparerules
128{
129 if (! -z "${General::swroot}/forward/config"){
130 &buildrules(\%configfwdfw);
131 }
132 if (! -z "${General::swroot}/forward/input"){
133 &buildrules(\%configinputfw);
134 }
5d7faa45
AM		 135 if (! -z "${General::swroot}/forward/outgoing"){
136 &buildrules(\%configoutgoingfw);
137 }
2a81ab0d
AM		 138}
139sub buildrules
140{
141 my $hash=shift;
b5269091 142 my $STAG;
a6edca5a
AM		 143 my $natip;
144 my $snatport;
145 my $fireport;
bc912c6e 146 my $nat;
98cee89f 147 my $fwaccessdport;
c12392c0 148 my $natchain;
2aeb4b25 149 my $icmptype;
992394d5 150 foreach my $key (sort {$a <=> $b} keys %$hash){
ff4770c7 151 next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
2aeb4b25 152 $command="iptables -A";
a6edca5a
AM		 153 if ($$hash{$key}[28] eq 'ON'){
154 $command='iptables -t nat -A';
08e1c65d 155 $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
a6edca5a 156 if($$hash{$key}[31] eq 'dnat'){
bc912c6e 157 $nat='DNAT';
98cee89f
AM		 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 ($$hash{$key}[30]>0);
163 }
a6edca5a 164 }else{
bc912c6e 165 $nat='SNAT';
a6edca5a
AM		 166 }
167 }
b5269091 168 $STAG='';
2a81ab0d
AM		 169 if($$hash{$key}[2] eq 'ON'){
170 #get source ip's
171 if ($$hash{$key}[3] eq 'cust_grp_src'){
992394d5 172 foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d
AM		 173 if($customgrp{$grp}[0] eq $$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 ($$hash{$key}[5] eq 'cust_grp_tgt'){
992394d5 182 foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d
AM		 183 if($customgrp{$grp}[0] eq $$hash{$key}[6]){
184 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
185 }
186 }
a0fb1099 187 }elsif($$hash{$key}[5] eq 'ipfire' ){
05d4f131
AM		 188 if($$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 }
8762442c
AM		 197 if($$hash{$key}[6] eq 'ALL'){
198 $targethash{$key}[0]='0.0.0.0/0';
199 }
690b0bd7 200 if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
ff4770c7 201 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
2a81ab0d
AM		 202 $targethash{$key}[0]= <FILE>;
203 close(FILE);
204 }else{
205 foreach my $alias (sort keys %aliases){
206 if ($$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 }
2a81ab0d
AM		 214 ##get source prot and port
215 $SRC_TGT='SRC';
2a81ab0d
AM		 216 $SPORT = &get_port($hash,$key);
217 $SRC_TGT='';
14f7cb87 218
2a81ab0d
AM		 219 ##get target prot and port
220 $DPROT=&get_prot($hash,$key);
14f7cb87 221
a4c7bf6b 222 if ($DPROT eq ''){$DPROT=' ';}
2a81ab0d 223 @DPROT=split(",",$DPROT);
14f7cb87 224
2a81ab0d
AM		 225 #get time if defined
226 if($$hash{$key}[18] eq 'ON'){
472136c9
AM		 227 my ($time1,$time2,$daylight);
228 my $daylight=$$hash{$key}[28];
229 $time1=&get_time($$hash{$key}[26],$daylight);
230 $time2=&get_time($$hash{$key}[27],$daylight);
2a81ab0d
AM		 231 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
232 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
233 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
234 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
235 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
236 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
237 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
238 $TIME=join(",",@timeframe);
472136c9
AM		 239
240 $TIMEFROM="--timestart $time1 ";
241 $TIMETILL="--timestop $time2 ";
a0f267b9 242 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
2a81ab0d 243 }
2a81ab0d
AM		 244 if ($MODE eq '1'){
245 print "NR:$key ";
246 foreach my $i (0 .. $#{$$hash{$key}}){
247 print "$i: $$hash{$key}[$i] ";
248 }
249 print "\n";
250 print"##################################\n";
251 #print rules to console
2a81ab0d
AM		 252 foreach my $DPROT (@DPROT){
253 $DPORT = &get_port($hash,$key,$DPROT);
a4c7bf6b 254 $PROT=$DPROT;
2a81ab0d
AM		 255 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
256 foreach my $a (sort keys %sourcehash){
257 foreach my $b (sort keys %targethash){
d7dc9718 258 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
a4c7bf6b 259 if($DPROT eq ' ' || $DPROT ne ''){
5d7faa45 260 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
8cb1afc8
AM		 261 if(substr($DPORT, 2, 4) eq 'icmp'){
262 my @icmprule= split(",",substr($DPORT, 12,));
263 foreach (@icmprule){
2aeb4b25
AM		 264 $icmptype="--icmp-type ";
265 if ($_ eq "BLANK") {
266 $icmptype="";
267 $_="";
268 }
8cb1afc8 269 if ($$hash{$key}[17] eq 'ON'){
2aeb4b25 270 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j LOG\n";
8cb1afc8 271 }
2aeb4b25 272 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j $$hash{$key}[0]\n";
8cb1afc8 273 }
28640b73 274 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
c12392c0 275 $natchain='NAT_DESTINATION';
28640b73 276 if ($$hash{$key}[17] eq 'ON'){
c12392c0 277 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
28640b73 278 }
28640b73 279 my ($ip,$sub) =split("/",$targethash{$b}[0]);
c12392c0 280 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
829697d0 281 $DPORT =~ s/\-/:/g;
98cee89f
AM		 282 if ($DPORT){
283 $fwaccessdport="--dport ".substr($DPORT,1,);
284 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
285 if ($$hash{$key}[30]=~m/|/i){
286 $$hash{$key}[30] =~ s/\|/,/g;
287 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
288 }else{
289 $fwaccessdport="--dport $$hash{$key}[30]";
290 }
291 }
c12392c0
AM		 292 print "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
293 next;
08e1c65d 294 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
c12392c0
AM		 295 $natchain='NAT_SOURCE';
296 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
2a81ab0d 297 }
2aeb4b25 298 if ($$hash{$key}[17] eq 'ON' ){
c12392c0
AM		 299 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
300 }
93c2de1c
AM		 301 if ($PROT ne '-p ICMP'){
302 print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
303 }
2a81ab0d
AM		 304 }
305 }
306 }
307 }
308 print"\n";
309 }
2a81ab0d
AM		 310 }elsif($MODE eq '0'){
311 foreach my $DPROT (@DPROT){
312 $DPORT = &get_port($hash,$key,$DPROT);
a4c7bf6b 313 $PROT=$DPROT;
2a81ab0d
AM		 314 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
315 foreach my $a (sort keys %sourcehash){
316 foreach my $b (sort keys %targethash){
d7dc9718 317 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
a4c7bf6b 318 if($DPROT ne '' || $DPROT eq ' '){
5d7faa45 319 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
93c2de1c 320 #Process ICMP RULE
8cb1afc8
AM		 321 if(substr($DPORT, 2, 4) eq 'icmp'){
322 my @icmprule= split(",",substr($DPORT, 12,));
323 foreach (@icmprule){
2aeb4b25
AM		 324 $icmptype="--icmp-type ";
325 if ($_ eq "BLANK") {
326 $icmptype="";
327 $_="";
328 }
8cb1afc8 329 if ($$hash{$key}[17] eq 'ON'){
2aeb4b25 330 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j LOG");
8cb1afc8 331 }
2aeb4b25 332 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j $$hash{$key}[0]");
a6edca5a 333 }
93c2de1c 334 #PROCESS DNAT RULE (Portforward)
a6edca5a 335 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
c12392c0 336 $natchain='NAT_DESTINATION';
a6edca5a 337 if ($$hash{$key}[17] eq 'ON'){
c12392c0 338 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
8cb1afc8 339 }
a6edca5a 340 my ($ip,$sub) =split("/",$targethash{$b}[0]);
c12392c0 341 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
829697d0 342 $DPORT =~ s/\-/:/g;
98cee89f
AM		 343 if ($DPORT){
344 $fwaccessdport="--dport ".substr($DPORT,1,);
345 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
346 if ($$hash{$key}[30]=~m/|/i){
347 $$hash{$key}[30] =~ s/\|/,/g;
348 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
349 }else{
350 $fwaccessdport="--dport $$hash{$key}[30]";
351 }
352 }
c12392c0
AM		 353 system "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
354 next;
93c2de1c 355 #PROCESS SNAT RULE
a6edca5a 356 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
c12392c0
AM		 357 $natchain='NAT_SOURCE';
358 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
359 }
2aeb4b25 360 if ($$hash{$key}[17] eq 'ON' && substr($DPORT, 2, 4) ne 'icmp'){
c12392c0 361 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
2a81ab0d 362 }
93c2de1c
AM		 363 #PROCESS EVERY OTHER RULE (If NOT ICMP, else the rule would be applied double)
364 if ($PROT ne '-p ICMP'){
365 system "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
366 }
2a81ab0d
AM		 367 }
368 }
369 }
370 }
2a81ab0d
AM		 371 }
372 }
373 }
374 %sourcehash=();
375 %targethash=();
376 undef $TIME;
377 undef $TIMEFROM;
378 undef $TIMETILL;
a6edca5a 379 undef $fireport;
2a81ab0d
AM		 380 }
381}
a6edca5a
AM		 382sub get_nat_ip
383{
384 my $val=shift;
08e1c65d 385 my $type=shift;
a6edca5a
AM		 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;
08e1c65d 391 }elsif($val eq 'Default IP' && $type eq 'dnat'){
a6edca5a 392 $result='-d '.$redip;
08e1c65d
AM		 393 }elsif($val eq 'Default IP' && $type eq 'snat'){
394 $result=$redip;
a6edca5a
AM		 395 }else{
396 foreach my $al (sort keys %aliases){
08e1c65d 397 if($val eq $al && $type eq 'dnat'){
a6edca5a 398 $result='-d '.$aliases{$al}{'IPT'};
08e1c65d
AM		 399 }elsif($val eq $al && $type eq 'snat'){
400 $result=$aliases{$al}{'IPT'};
a6edca5a
AM		 401 }
402 }
403 }
404 return $result;
405}
472136c9
AM		 406sub 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}
420sub 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}
429sub utcmin
430{
431 my $ruletime=shift;
432 my ($hrs,$min) = split(":",$ruletime);
433 my $newtime = $hrs*60+$min;
434 return $newtime;
435}
36196d0d
AM		 436sub 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 );
8d1beadc
AM		 446 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
447 $DO = "ACCEPT";
5238a871 448 if ("$p2pline[2]" eq "on") {
36196d0d
AM		 449 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
450 }
8d1beadc 451 }else {
36196d0d 452 $DO = "RETURN";
5238a871 453 if ("$p2pline[2]" eq "off") {
36196d0d
AM		 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}
2a81ab0d
AM		 468sub 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' ){
b5269091
AM		 481 if (&General::validmac($base2)){
482 $$hash{$key}[0] = "-m mac --mac-source $base2";
483 }else{
484 $$hash{$key}[0] = $base2;
485 }
2a81ab0d 486 }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
ddcec9d3 487 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
2a81ab0d
AM		 488 }elsif($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'){
6fab5bca 497 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,11);
2a81ab0d
AM		 498 }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
499 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
a0fb1099
AM		 500 }elsif($base eq 'ipfire_src' ){
501 if($base2 eq 'GREEN'){
502 $$hash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
503 }
504 if($base2 eq 'BLUE'){
505 $$hash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
506 }
507 if($base2 eq 'ORANGE'){
508 $$hash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
509 }
510 if($base2 eq 'ALL'){
511 $$hash{$key}[0]='0.0.0.0/0';
512 }
513 if($base2 eq 'RED' || $base2 eq 'RED1'){
514 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
515 $$hash{$key}[0]= <FILE>;
516 close(FILE);
517 }else{
518 foreach my $alias (sort keys %aliases){
519 if ($base2 eq $alias){
520 $$hash{$key}[0]=$aliases{$alias}{'IPT'};
521 }
522 }
523 }
2a81ab0d
AM		 524 }
525}
526sub get_prot
527{
528 my $hash=shift;
529 my $key=shift;
a4c7bf6b
AM		 530 #check AH,GRE,ESP or ICMP
531 if ($$hash{$key}[7] ne 'ON' && $$hash{$key}[11] ne 'ON'){
532 return "$$hash{$key}[8]";
533 }
534 if ($$hash{$key}[7] eq 'ON' || $$hash{$key}[11] eq 'ON'){
535 #check if servicegroup or service
536 if($$hash{$key}[14] eq 'cust_srv'){
2a81ab0d 537 return &fwlib::get_srv_prot($$hash{$key}[15]);
2a81ab0d
AM		 538 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
539 return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
a4c7bf6b
AM		 540 }elsif (($$hash{$key}[10] ne '' || $$hash{$key}[15] ne '') && $$hash{$key}[8] eq ''){ #when ports are used and prot set to "all"
541 return "TCP,UDP";
542 }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"
543 return "$$hash{$key}[8]";
544 }elsif (($$hash{$key}[10] eq '' && $$hash{$key}[15] eq '') && $$hash{$key}[8] ne 'ICMP'){ #when ports are NOT used and prot NOT set to "ICMP"
545 return "$$hash{$key}[8]";
546 }else{
547 return "$$hash{$key}[8]";
2a81ab0d
AM		 548 }
549 }
98cee89f
AM		 550 #DNAT
551 if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
fadcfb73 552 return "$$hash{$key}[8]";
98cee89f 553 }
2a81ab0d
AM		 554}
555sub get_port
556{
557 my $hash=shift;
558 my $key=shift;
559 my $prot=shift;
560 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
561 if ($$hash{$key}[10] ne ''){
8f0b047b 562 $$hash{$key}[10] =~ s/\|/,/g;
93a5f4a5
AM		 563 if(index($$hash{$key}[10],",") > 0){
564 return "-m multiport --sport $$hash{$key}[10] ";
565 }else{
a6edca5a
AM		 566 if($$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') ){
567 return "--sport $$hash{$key}[10] ";
568 }else{
569 return ":$$hash{$key}[10]";
570 }
93a5f4a5 571 }
2a81ab0d
AM		 572 }
573 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
2a81ab0d
AM		 574 if($$hash{$key}[14] eq 'TGT_PORT'){
575 if ($$hash{$key}[15] ne ''){
8f0b047b 576 $$hash{$key}[15] =~ s/\|/,/g;
93a5f4a5
AM		 577 if(index($$hash{$key}[15],",") > 0){
578 return "-m multiport --dport $$hash{$key}[15] ";
579 }else{
a6edca5a
AM		 580 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
581 return "--dport $$hash{$key}[15] ";
582 }else{
829697d0 583 $$hash{$key}[15] =~ s/\:/-/g;
653a71b9 584 return ":$$hash{$key}[15]";
a6edca5a 585 }
93a5f4a5 586 }
2a81ab0d
AM		 587 }
588 }elsif($$hash{$key}[14] eq 'cust_srv'){
589 if ($prot ne 'ICMP'){
653a71b9 590 if($$hash{$key}[31] eq 'dnat' && $$hash{$key}[28] eq 'ON'){
6be32fe5
AM		 591 return ":".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
592 }else{
593 return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
594 }
e6e9a811
AM		 595 }elsif($prot eq 'ICMP' && $$hash{$key}[11] eq 'ON'){ #When PROT is ICMP and "use targetport is checked, this is an icmp-service
596 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
2a81ab0d
AM		 597 }
598 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
599 if ($prot ne 'ICMP'){
600 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
601 }
602 elsif($prot eq 'ICMP'){
603 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
604 }
2a81ab0d
AM		 605 }
606 }
a4c7bf6b
AM		 607 #CHECK ICMP
608 if ($$hash{$key}[7] ne 'ON' && $$hash{$key}[11] ne 'ON' && $SRC_TGT eq ''){
609 if($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
610 return "--icmp-type $$hash{$key}[9] ";
611 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
612 return;
613 }
614 }
2a81ab0d 615}
Timo's tree of IPFire 2.x