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kernel: update to 3.10.22.
[people/teissler/ipfire-2.x.git] / config / firewall / 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 "${General::swroot}/lang.pl";
6d8eb5de 48require "${General::swroot}/firewall/bin/firewall-lib.pl";
2a81ab0d 49
6d8eb5de
AM		 50my $configfwdfw = "${General::swroot}/firewall/config";
51my $configinput = "${General::swroot}/firewall/input";
52my $configoutgoing = "${General::swroot}/firewall/outgoing";
53my $p2pfile = "${General::swroot}/firewall/p2protocols";
2a81ab0d 54my $configgrp = "${General::swroot}/fwhosts/customgroups";
210ee67b 55my $netsettings = "${General::swroot}/ethernet/settings";
86a921ee
AM		 56my $errormessage = '';
57my $orange = '';
58my $green = '';
59my $blue = '';
2a81ab0d 60my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
86a921ee
AM		 61my $CHAIN = "FORWARDFW";
62my $conexists = 'off';
63my $command = 'iptables -A';
64my $dnat ='';
65my $snat ='';
66
6d8eb5de 67&General::readhash("${General::swroot}/firewall/settings", \%fwdfwsettings);
210ee67b 68&General::readhash("$netsettings", \%defaultNetworks);
2a81ab0d
AM		 69&General::readhasharray($configfwdfw, \%configfwdfw);
70&General::readhasharray($configinput, \%configinputfw);
5d7faa45 71&General::readhasharray($configoutgoing, \%configoutgoingfw);
2a81ab0d
AM		 72&General::readhasharray($configgrp, \%customgrp);
73&General::get_aliases(\%aliases);
74
ddcec9d3
AM		 75#check if we have an internetconnection
76open (CONN,"/var/ipfire/red/iface");
77my $con = <CONN>;
78close(CONN);
79if (-f "/var/ipfire/red/active"){
80 $conexists='on';
81}
a6edca5a
AM		 82open (CONN1,"/var/ipfire/red/local-ipaddress");
83my $redip = <CONN1>;
84close(CONN1);
86a921ee
AM		 85#################
86# DEBUG/TEST #
87#################
dc21519f 88my $MODE=0; # 0 - normal operation
14bcb9a2
AM		 89 # 1 - print configline and rules to console
90 #
86a921ee 91#################
2a81ab0d
AM		 92my $param=shift;
93
94if($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 ($fwdfwsettings{'POLICY'} eq 'MODE1'){
af49e367 110 &p2pblock;
86a921ee 111 system ("/usr/sbin/firewall-policy");
2a81ab0d 112 }elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
6adcf156 113 &p2pblock;
b85d2a98 114 system ("iptables -A $CHAIN -m conntrack --ctstate NEW -j ACCEPT");
5d7faa45 115 system ("/usr/sbin/firewall-policy");
674f4e9d 116 system ("/etc/sysconfig/firewall.local reload");
2a81ab0d
AM		 117 }
118 }
119}
2a81ab0d
AM		 120sub flush
121{
122 system ("iptables -F FORWARDFW");
123 system ("iptables -F INPUTFW");
5d7faa45 124 system ("iptables -F OUTGOINGFW");
28640b73
AM		 125 system ("iptables -t nat -F NAT_DESTINATION");
126 system ("iptables -t nat -F NAT_SOURCE");
86a921ee 127}
2a81ab0d
AM		 128sub preparerules
129{
6d8eb5de 130 if (! -z "${General::swroot}/firewall/config"){
2a81ab0d
AM		 131 &buildrules(\%configfwdfw);
132 }
6d8eb5de 133 if (! -z "${General::swroot}/firewall/input"){
2a81ab0d
AM		 134 &buildrules(\%configinputfw);
135 }
6d8eb5de 136 if (! -z "${General::swroot}/firewall/outgoing"){
5d7faa45
AM		 137 &buildrules(\%configoutgoingfw);
138 }
2a81ab0d
AM		 139}
140sub buildrules
141{
142 my $hash=shift;
b5269091 143 my $STAG;
a6edca5a
AM		 144 my $natip;
145 my $snatport;
146 my $fireport;
bc912c6e 147 my $nat;
98cee89f 148 my $fwaccessdport;
c12392c0 149 my $natchain;
2aeb4b25 150 my $icmptype;
992394d5 151 foreach my $key (sort {$a <=> $b} keys %$hash){
ff4770c7 152 next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
2aeb4b25 153 $command="iptables -A";
a6edca5a
AM		 154 if ($$hash{$key}[28] eq 'ON'){
155 $command='iptables -t nat -A';
08e1c65d 156 $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
a6edca5a 157 if($$hash{$key}[31] eq 'dnat'){
bc912c6e 158 $nat='DNAT';
98cee89f
AM		 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 ($$hash{$key}[30]>0);
164 }
a6edca5a 165 }else{
bc912c6e 166 $nat='SNAT';
a6edca5a
AM		 167 }
168 }
b5269091 169 $STAG='';
2a81ab0d
AM		 170 if($$hash{$key}[2] eq 'ON'){
171 #get source ip's
172 if ($$hash{$key}[3] eq 'cust_grp_src'){
992394d5 173 foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d
AM		 174 if($customgrp{$grp}[0] eq $$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 ($$hash{$key}[5] eq 'cust_grp_tgt'){
992394d5 183 foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d
AM		 184 if($customgrp{$grp}[0] eq $$hash{$key}[6]){
185 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
186 }
187 }
a0fb1099 188 }elsif($$hash{$key}[5] eq 'ipfire' ){
05d4f131
AM		 189 if($$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 }
8762442c
AM		 198 if($$hash{$key}[6] eq 'ALL'){
199 $targethash{$key}[0]='0.0.0.0/0';
200 }
690b0bd7 201 if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
ff4770c7 202 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
2a81ab0d
AM		 203 $targethash{$key}[0]= <FILE>;
204 close(FILE);
205 }else{
206 foreach my $alias (sort keys %aliases){
207 if ($$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 }
2a81ab0d
AM		 215 ##get source prot and port
216 $SRC_TGT='SRC';
2a81ab0d
AM		 217 $SPORT = &get_port($hash,$key);
218 $SRC_TGT='';
14f7cb87 219
2a81ab0d
AM		 220 ##get target prot and port
221 $DPROT=&get_prot($hash,$key);
14f7cb87 222
a4c7bf6b 223 if ($DPROT eq ''){$DPROT=' ';}
2a81ab0d 224 @DPROT=split(",",$DPROT);
14f7cb87 225
2a81ab0d
AM		 226 #get time if defined
227 if($$hash{$key}[18] eq 'ON'){
472136c9
AM		 228 my ($time1,$time2,$daylight);
229 my $daylight=$$hash{$key}[28];
230 $time1=&get_time($$hash{$key}[26],$daylight);
231 $time2=&get_time($$hash{$key}[27],$daylight);
2a81ab0d
AM		 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($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
239 $TIME=join(",",@timeframe);
86a921ee 240
472136c9
AM		 241 $TIMEFROM="--timestart $time1 ";
242 $TIMETILL="--timestop $time2 ";
a0f267b9 243 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
2a81ab0d 244 }
86a921ee 245 if ($MODE eq '1'){
2a81ab0d
AM		 246 print "NR:$key ";
247 foreach my $i (0 .. $#{$$hash{$key}}){
248 print "$i: $$hash{$key}[$i] ";
249 }
250 print "\n";
251 print"##################################\n";
252 #print rules to console
2a81ab0d
AM		 253 foreach my $DPROT (@DPROT){
254 $DPORT = &get_port($hash,$key,$DPROT);
a4c7bf6b 255 $PROT=$DPROT;
3af3ecd3 256 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
2a81ab0d
AM		 257 foreach my $a (sort keys %sourcehash){
258 foreach my $b (sort keys %targethash){
d7dc9718 259 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
6e62882d 260 if($DPROT ne ''){
5d7faa45 261 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
cdb3536b 262 #Process ICMP RULE
8cb1afc8
AM		 263 if(substr($DPORT, 2, 4) eq 'icmp'){
264 my @icmprule= split(",",substr($DPORT, 12,));
265 foreach (@icmprule){
2aeb4b25
AM		 266 $icmptype="--icmp-type ";
267 if ($_ eq "BLANK") {
268 $icmptype="";
269 $_="";
270 }
8cb1afc8 271 if ($$hash{$key}[17] eq 'ON'){
2aeb4b25 272 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j LOG\n";
8cb1afc8 273 }
2aeb4b25 274 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j $$hash{$key}[0]\n";
8cb1afc8 275 }
cdb3536b 276 #PROCESS DNAT RULE (Portforward)
28640b73 277 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
c12392c0 278 $natchain='NAT_DESTINATION';
28640b73 279 if ($$hash{$key}[17] eq 'ON'){
cdb3536b 280 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
28640b73 281 }
28640b73 282 my ($ip,$sub) =split("/",$targethash{$b}[0]);
f0befbc3
AM		 283 #Process NAT with servicegroup used
284 if ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[14] eq 'cust_srvgrp'){
285 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip $DPORT\n";
286 $fwaccessdport=$DPORT;
287 }else{
288 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
289 $DPORT =~ s/\-/:/g;
290 if ($DPORT){
291 $fwaccessdport="--dport ".substr($DPORT,1,);
292 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
293 if ($$hash{$key}[30]=~m/|/i){
294 $$hash{$key}[30] =~ s/\|/,/g;
295 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
296 }else{
297 $fwaccessdport="--dport $$hash{$key}[30]";
298 }
98cee89f
AM		 299 }
300 }
c12392c0
AM		 301 print "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
302 next;
cdb3536b 303 #PROCESS SNAT RULE
08e1c65d 304 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
c12392c0 305 $natchain='NAT_SOURCE';
cdb3536b
AM		 306 if ($$hash{$key}[17] eq 'ON' ){
307 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT' \n";
308 }
c12392c0 309 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
2a81ab0d 310 }
cdb3536b 311 #PROCESS EVERY OTHER RULE (If NOT ICMP, else the rule would be applied double)
93c2de1c 312 if ($PROT ne '-p ICMP'){
cdb3536b
AM		 313 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
314 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
315 }
93c2de1c
AM		 316 print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
317 }
cdb3536b 318 #PROCESS Prot ICMP and type = All ICMP-Types
86a921ee 319 if ($PROT eq '-p ICMP' && $$hash{$key}[9] eq 'All ICMP-Types'){
cdb3536b
AM		 320 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
321 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
322 }
86a921ee
AM		 323 print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
324 }
325 }
2a81ab0d
AM		 326 }
327 }
328 }
329 print"\n";
330 }
2a81ab0d
AM		 331 }elsif($MODE eq '0'){
332 foreach my $DPROT (@DPROT){
333 $DPORT = &get_port($hash,$key,$DPROT);
a4c7bf6b 334 $PROT=$DPROT;
3af3ecd3 335 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
2a81ab0d
AM		 336 foreach my $a (sort keys %sourcehash){
337 foreach my $b (sort keys %targethash){
d7dc9718 338 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
6e62882d 339 if($DPROT ne ''){
5d7faa45 340 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
93c2de1c 341 #Process ICMP RULE
8cb1afc8
AM		 342 if(substr($DPORT, 2, 4) eq 'icmp'){
343 my @icmprule= split(",",substr($DPORT, 12,));
344 foreach (@icmprule){
2aeb4b25
AM		 345 $icmptype="--icmp-type ";
346 if ($_ eq "BLANK") {
347 $icmptype="";
348 $_="";
349 }
8cb1afc8 350 if ($$hash{$key}[17] eq 'ON'){
2aeb4b25 351 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j LOG");
8cb1afc8 352 }
2aeb4b25 353 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j $$hash{$key}[0]");
a6edca5a 354 }
93c2de1c 355 #PROCESS DNAT RULE (Portforward)
a6edca5a 356 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
c12392c0 357 $natchain='NAT_DESTINATION';
a6edca5a 358 if ($$hash{$key}[17] eq 'ON'){
cdb3536b 359 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
8cb1afc8 360 }
a6edca5a 361 my ($ip,$sub) =split("/",$targethash{$b}[0]);
f0befbc3
AM		 362 #Process NAT with servicegroup used
363 if ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[14] eq 'cust_srvgrp'){
364 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip $DPORT\n";
365 $fwaccessdport=$DPORT;
366 }else{
367 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to $ip$DPORT\n";
368 $DPORT =~ s/\-/:/g;
369 if ($DPORT){
370 $fwaccessdport="--dport ".substr($DPORT,1,);
371 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
372 if ($$hash{$key}[30]=~m/|/i){
373 $$hash{$key}[30] =~ s/\|/,/g;
374 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
375 }else{
376 $fwaccessdport="--dport $$hash{$key}[30]";
377 }
98cee89f
AM		 378 }
379 }
c12392c0
AM		 380 system "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
381 next;
93c2de1c 382 #PROCESS SNAT RULE
a6edca5a 383 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
c12392c0 384 $natchain='NAT_SOURCE';
cdb3536b
AM		 385 if ($$hash{$key}[17] eq 'ON' ){
386 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT' \n";
387 }
c12392c0
AM		 388 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to $natip\n";
389 }
93c2de1c
AM		 390 #PROCESS EVERY OTHER RULE (If NOT ICMP, else the rule would be applied double)
391 if ($PROT ne '-p ICMP'){
cdb3536b
AM		 392 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
393 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
394 }
93c2de1c
AM		 395 system "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
396 }
86a921ee
AM		 397 #PROCESS Prot ICMP and type = All ICMP-Types
398 if ($PROT eq '-p ICMP' && $$hash{$key}[9] eq 'All ICMP-Types'){
cdb3536b
AM		 399 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
400 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
401 }
86a921ee
AM		 402 system "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
403 }
404 }
2a81ab0d
AM		 405 }
406 }
407 }
2a81ab0d
AM		 408 }
409 }
410 }
411 %sourcehash=();
412 %targethash=();
413 undef $TIME;
414 undef $TIMEFROM;
415 undef $TIMETILL;
a6edca5a 416 undef $fireport;
2a81ab0d
AM		 417 }
418}
a6edca5a
AM		 419sub get_nat_ip
420{
421 my $val=shift;
08e1c65d 422 my $type=shift;
a6edca5a
AM		 423 my $result;
424 if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
425 $result=$defaultNetworks{$val.'_ADDRESS'};
426 }elsif($val eq 'ALL'){
427 $result='-i '.$con;
08e1c65d 428 }elsif($val eq 'Default IP' && $type eq 'dnat'){
a6edca5a 429 $result='-d '.$redip;
08e1c65d
AM		 430 }elsif($val eq 'Default IP' && $type eq 'snat'){
431 $result=$redip;
a6edca5a
AM		 432 }else{
433 foreach my $al (sort keys %aliases){
08e1c65d 434 if($val eq $al && $type eq 'dnat'){
a6edca5a 435 $result='-d '.$aliases{$al}{'IPT'};
08e1c65d
AM		 436 }elsif($val eq $al && $type eq 'snat'){
437 $result=$aliases{$al}{'IPT'};
a6edca5a
AM		 438 }
439 }
440 }
441 return $result;
442}
472136c9
AM		 443sub get_time
444{
445 my $val=shift;
446 my $val1=shift;
447 my $time;
448 my $minutes;
449 my $ruletime;
450 $minutes = &utcmin($val);
451 $ruletime = $minutes + &time_get_utc($val);
452 if ($ruletime < 0){$ruletime +=1440;}
453 if ($ruletime > 1440){$ruletime -=1440;}
454 $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
455 return $time;
456}
457sub time_get_utc
458{
459 # Calculates the UTCtime from a given time
460 my $val=shift;
461 my @localtime=localtime(time);
462 my @gmtime=gmtime(time);
463 my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
464 return $diff;
465}
466sub utcmin
467{
468 my $ruletime=shift;
469 my ($hrs,$min) = split(":",$ruletime);
470 my $newtime = $hrs*60+$min;
471 return $newtime;
472}
36196d0d
AM		 473sub p2pblock
474{
475 my $P2PSTRING;
476 my $DO;
477 open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
478 @p2ps = <FILE>;
479 close FILE;
480 my $CMD = "-m ipp2p";
481 foreach my $p2pentry (sort @p2ps) {
482 my @p2pline = split( /\;/, $p2pentry );
8d1beadc
AM		 483 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
484 $DO = "ACCEPT";
5238a871 485 if ("$p2pline[2]" eq "on") {
36196d0d
AM		 486 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
487 }
8d1beadc 488 }else {
36196d0d 489 $DO = "RETURN";
5238a871 490 if ("$p2pline[2]" eq "off") {
36196d0d
AM		 491 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
492 }
493 }
494 }
495 if ($MODE eq 1){
496 if($P2PSTRING){
497 print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
498 }
499 }else{
500 if($P2PSTRING){
501 system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
502 }
503 }
504}
2a81ab0d
AM		 505sub get_address
506{
507 my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
508 my $base2=shift;
509 my $type=shift; #src or tgt
510 my $hash;
511 if ($type eq 'src'){
86a921ee 512 $hash=\%sourcehash;
2a81ab0d
AM		 513 }else{
514 $hash=\%targethash;
515 }
516 my $key = &General::findhasharraykey($hash);
517 if($base eq 'src_addr' || $base eq 'tgt_addr' ){
b5269091
AM		 518 if (&General::validmac($base2)){
519 $$hash{$key}[0] = "-m mac --mac-source $base2";
520 }else{
521 $$hash{$key}[0] = $base2;
522 }
2a81ab0d 523 }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
ddcec9d3 524 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
2a81ab0d
AM		 525 }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
526 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
527 }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
528 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
529 }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
530 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
531 }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
532 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
533 }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
6fab5bca 534 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,11);
2a81ab0d
AM		 535 }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
536 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
a0fb1099
AM		 537 }elsif($base eq 'ipfire_src' ){
538 if($base2 eq 'GREEN'){
539 $$hash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
540 }
541 if($base2 eq 'BLUE'){
542 $$hash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
543 }
544 if($base2 eq 'ORANGE'){
545 $$hash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
546 }
547 if($base2 eq 'ALL'){
548 $$hash{$key}[0]='0.0.0.0/0';
549 }
550 if($base2 eq 'RED' || $base2 eq 'RED1'){
551 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
552 $$hash{$key}[0]= <FILE>;
553 close(FILE);
554 }else{
555 foreach my $alias (sort keys %aliases){
556 if ($base2 eq $alias){
557 $$hash{$key}[0]=$aliases{$alias}{'IPT'};
558 }
559 }
560 }
2a81ab0d
AM		 561 }
562}
563sub get_prot
564{
565 my $hash=shift;
566 my $key=shift;
a4c7bf6b
AM		 567 #check AH,GRE,ESP or ICMP
568 if ($$hash{$key}[7] ne 'ON' && $$hash{$key}[11] ne 'ON'){
569 return "$$hash{$key}[8]";
570 }
571 if ($$hash{$key}[7] eq 'ON' || $$hash{$key}[11] eq 'ON'){
572 #check if servicegroup or service
573 if($$hash{$key}[14] eq 'cust_srv'){
2a81ab0d 574 return &fwlib::get_srv_prot($$hash{$key}[15]);
2a81ab0d
AM		 575 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
576 return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
a4c7bf6b
AM		 577 }elsif (($$hash{$key}[10] ne '' || $$hash{$key}[15] ne '') && $$hash{$key}[8] eq ''){ #when ports are used and prot set to "all"
578 return "TCP,UDP";
579 }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"
580 return "$$hash{$key}[8]";
581 }elsif (($$hash{$key}[10] eq '' && $$hash{$key}[15] eq '') && $$hash{$key}[8] ne 'ICMP'){ #when ports are NOT used and prot NOT set to "ICMP"
582 return "$$hash{$key}[8]";
583 }else{
584 return "$$hash{$key}[8]";
2a81ab0d
AM		 585 }
586 }
98cee89f
AM		 587 #DNAT
588 if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
fadcfb73 589 return "$$hash{$key}[8]";
98cee89f 590 }
2a81ab0d
AM		 591}
592sub get_port
593{
594 my $hash=shift;
595 my $key=shift;
596 my $prot=shift;
14bcb9a2 597 #Get manual defined Ports from SOURCE
2a81ab0d
AM		 598 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
599 if ($$hash{$key}[10] ne ''){
8f0b047b 600 $$hash{$key}[10] =~ s/\|/,/g;
93a5f4a5
AM		 601 if(index($$hash{$key}[10],",") > 0){
602 return "-m multiport --sport $$hash{$key}[10] ";
603 }else{
a6edca5a
AM		 604 if($$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') ){
605 return "--sport $$hash{$key}[10] ";
606 }else{
607 return ":$$hash{$key}[10]";
608 }
93a5f4a5 609 }
2a81ab0d 610 }
14bcb9a2 611 #Get manual ports from TARGET
2a81ab0d 612 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
2a81ab0d
AM		 613 if($$hash{$key}[14] eq 'TGT_PORT'){
614 if ($$hash{$key}[15] ne ''){
8f0b047b 615 $$hash{$key}[15] =~ s/\|/,/g;
93a5f4a5
AM		 616 if(index($$hash{$key}[15],",") > 0){
617 return "-m multiport --dport $$hash{$key}[15] ";
618 }else{
a6edca5a
AM		 619 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
620 return "--dport $$hash{$key}[15] ";
621 }else{
829697d0 622 $$hash{$key}[15] =~ s/\:/-/g;
653a71b9 623 return ":$$hash{$key}[15]";
a6edca5a 624 }
93a5f4a5 625 }
2a81ab0d 626 }
14bcb9a2 627 #Get ports defined in custom Service (firewall-groups)
2a81ab0d
AM		 628 }elsif($$hash{$key}[14] eq 'cust_srv'){
629 if ($prot ne 'ICMP'){
653a71b9 630 if($$hash{$key}[31] eq 'dnat' && $$hash{$key}[28] eq 'ON'){
14bcb9a2
AM		 631 my $ports =&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
632 $ports =~ s/\:/-/g;
633 return ":".$ports
6be32fe5
AM		 634 }else{
635 return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
636 }
e6e9a811
AM		 637 }elsif($prot eq 'ICMP' && $$hash{$key}[11] eq 'ON'){ #When PROT is ICMP and "use targetport is checked, this is an icmp-service
638 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
2a81ab0d 639 }
14bcb9a2 640 #Get ports from services which are used in custom servicegroups (firewall-groups)
2a81ab0d
AM		 641 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
642 if ($prot ne 'ICMP'){
643 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
644 }
645 elsif($prot eq 'ICMP'){
646 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
647 }
2a81ab0d
AM		 648 }
649 }
a4c7bf6b
AM		 650 #CHECK ICMP
651 if ($$hash{$key}[7] ne 'ON' && $$hash{$key}[11] ne 'ON' && $SRC_TGT eq ''){
652 if($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
653 return "--icmp-type $$hash{$key}[9] ";
654 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
655 return;
656 }
657 }
2a81ab0d 658}
Timo's tree of IPFire 2.x