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Merge branch 'next' of ssh://git.ipfire.org/pub/git/ipfire-2.x into next
[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";
73372ed4 48require "/usr/lib/firewall/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';
a211fee3 63my $command = 'iptables --wait -A';
86a921ee
AM		 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;
5d7faa45 114 system ("/usr/sbin/firewall-policy");
2a81ab0d
AM		 115 }
116 }
117}
2a81ab0d
AM		 118sub flush
119{
a211fee3
MT		 120 system ("iptables --wait -F FORWARDFW");
121 system ("iptables --wait -F INPUTFW");
122 system ("iptables --wait -F OUTGOINGFW");
123 system ("iptables --wait -t nat -F NAT_DESTINATION");
124 system ("iptables --wait -t nat -F NAT_SOURCE");
86a921ee 125}
2a81ab0d
AM		 126sub preparerules
127{
6d8eb5de 128 if (! -z "${General::swroot}/firewall/config"){
2a81ab0d
AM		 129 &buildrules(\%configfwdfw);
130 }
6d8eb5de 131 if (! -z "${General::swroot}/firewall/input"){
2a81ab0d
AM		 132 &buildrules(\%configinputfw);
133 }
6d8eb5de 134 if (! -z "${General::swroot}/firewall/outgoing"){
5d7faa45
AM		 135 &buildrules(\%configoutgoingfw);
136 }
2a81ab0d
AM		 137}
138sub buildrules
139{
140 my $hash=shift;
b5269091 141 my $STAG;
a6edca5a
AM		 142 my $natip;
143 my $snatport;
144 my $fireport;
bc912c6e 145 my $nat;
98cee89f 146 my $fwaccessdport;
c12392c0 147 my $natchain;
2aeb4b25 148 my $icmptype;
992394d5 149 foreach my $key (sort {$a <=> $b} keys %$hash){
ff4770c7 150 next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
a211fee3 151 $command="iptables --wait -A";
a6edca5a 152 if ($$hash{$key}[28] eq 'ON'){
a211fee3 153 $command='iptables --wait -t nat -A';
08e1c65d 154 $natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
a6edca5a 155 if($$hash{$key}[31] eq 'dnat'){
bc912c6e 156 $nat='DNAT';
98cee89f
AM		 157 if ($$hash{$key}[30] =~ /\|/){
158 $$hash{$key}[30]=~ tr/|/,/;
159 $fireport='-m multiport --dport '.$$hash{$key}[30];
160 }else{
161 $fireport='--dport '.$$hash{$key}[30] if ($$hash{$key}[30]>0);
162 }
a6edca5a 163 }else{
bc912c6e 164 $nat='SNAT';
a6edca5a
AM		 165 }
166 }
b5269091 167 $STAG='';
2a81ab0d
AM		 168 if($$hash{$key}[2] eq 'ON'){
169 #get source ip's
170 if ($$hash{$key}[3] eq 'cust_grp_src'){
992394d5 171 foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d
AM		 172 if($customgrp{$grp}[0] eq $$hash{$key}[4]){
173 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"src");
174 }
175 }
176 }else{
177 &get_address($$hash{$key}[3],$$hash{$key}[4],"src");
178 }
179 #get target ip's
180 if ($$hash{$key}[5] eq 'cust_grp_tgt'){
992394d5 181 foreach my $grp (sort {$a <=> $b} keys %customgrp){
2a81ab0d
AM		 182 if($customgrp{$grp}[0] eq $$hash{$key}[6]){
183 &get_address($customgrp{$grp}[3],$customgrp{$grp}[2],"tgt");
184 }
185 }
a0fb1099 186 }elsif($$hash{$key}[5] eq 'ipfire' ){
05d4f131
AM		 187 if($$hash{$key}[6] eq 'GREEN'){
188 $targethash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
189 }
190 if($$hash{$key}[6] eq 'BLUE'){
191 $targethash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
192 }
193 if($$hash{$key}[6] eq 'ORANGE'){
194 $targethash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
195 }
8762442c
AM		 196 if($$hash{$key}[6] eq 'ALL'){
197 $targethash{$key}[0]='0.0.0.0/0';
198 }
690b0bd7 199 if($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1'){
ff4770c7 200 open(FILE, "/var/ipfire/red/local-ipaddress")or die "Couldn't open local-ipaddress";
2a81ab0d
AM		 201 $targethash{$key}[0]= <FILE>;
202 close(FILE);
203 }else{
204 foreach my $alias (sort keys %aliases){
205 if ($$hash{$key}[6] eq $alias){
206 $targethash{$key}[0]=$aliases{$alias}{'IPT'};
207 }
208 }
209 }
210 }else{
211 &get_address($$hash{$key}[5],$$hash{$key}[6],"tgt");
212 }
2a81ab0d
AM		 213 ##get source prot and port
214 $SRC_TGT='SRC';
2a81ab0d
AM		 215 $SPORT = &get_port($hash,$key);
216 $SRC_TGT='';
14f7cb87 217
2a81ab0d
AM		 218 ##get target prot and port
219 $DPROT=&get_prot($hash,$key);
14f7cb87 220
a4c7bf6b 221 if ($DPROT eq ''){$DPROT=' ';}
2a81ab0d 222 @DPROT=split(",",$DPROT);
14f7cb87 223
2a81ab0d
AM		 224 #get time if defined
225 if($$hash{$key}[18] eq 'ON'){
472136c9
AM		 226 my ($time1,$time2,$daylight);
227 my $daylight=$$hash{$key}[28];
228 $time1=&get_time($$hash{$key}[26],$daylight);
229 $time2=&get_time($$hash{$key}[27],$daylight);
2a81ab0d
AM		 230 if($$hash{$key}[19] ne ''){push (@timeframe,"Mon");}
231 if($$hash{$key}[20] ne ''){push (@timeframe,"Tue");}
232 if($$hash{$key}[21] ne ''){push (@timeframe,"Wed");}
233 if($$hash{$key}[22] ne ''){push (@timeframe,"Thu");}
234 if($$hash{$key}[23] ne ''){push (@timeframe,"Fri");}
235 if($$hash{$key}[24] ne ''){push (@timeframe,"Sat");}
236 if($$hash{$key}[25] ne ''){push (@timeframe,"Sun");}
237 $TIME=join(",",@timeframe);
86a921ee 238
472136c9
AM		 239 $TIMEFROM="--timestart $time1 ";
240 $TIMETILL="--timestop $time2 ";
a0f267b9 241 $TIME="-m time --weekdays $TIME $TIMEFROM $TIMETILL";
2a81ab0d 242 }
86a921ee 243 if ($MODE eq '1'){
2a81ab0d
AM		 244 print "NR:$key ";
245 foreach my $i (0 .. $#{$$hash{$key}}){
246 print "$i: $$hash{$key}[$i] ";
247 }
248 print "\n";
249 print"##################################\n";
250 #print rules to console
2a81ab0d
AM		 251 foreach my $DPROT (@DPROT){
252 $DPORT = &get_port($hash,$key,$DPROT);
82b837cf
AM		 253 if ($DPROT ne 'TCP' && $DPROT ne 'UDP' && $DPROT ne 'ICMP' ){
254 $DPORT='';
255 }
a4c7bf6b 256 $PROT=$DPROT;
3af3ecd3 257 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
2a81ab0d
AM		 258 foreach my $a (sort keys %sourcehash){
259 foreach my $b (sort keys %targethash){
800077a6
AM		 260 if(! $sourcehash{$a}[0] || ! $targethash{$b}[0] || ($natip eq '-d ' && $$hash{$key}[28] eq 'ON') || (!$natip && $$hash{$key}[28] eq 'ON')){
261 #Skip rules when no RED IP is set (DHCP,DSL)
262 next;
263 }
d334d7cb
AM		 264 next if ($targethash{$b}[0] eq 'none');
265 $STAG='';
d7dc9718 266 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
6e62882d 267 if($DPROT ne ''){
5d7faa45 268 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
cdb3536b 269 #Process ICMP RULE
8cb1afc8
AM		 270 if(substr($DPORT, 2, 4) eq 'icmp'){
271 my @icmprule= split(",",substr($DPORT, 12,));
272 foreach (@icmprule){
2aeb4b25
AM		 273 $icmptype="--icmp-type ";
274 if ($_ eq "BLANK") {
275 $icmptype="";
276 $_="";
277 }
8cb1afc8 278 if ($$hash{$key}[17] eq 'ON'){
2aeb4b25 279 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j LOG\n";
8cb1afc8 280 }
2aeb4b25 281 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j $$hash{$key}[0]\n";
8cb1afc8 282 }
cdb3536b 283 #PROCESS DNAT RULE (Portforward)
28640b73 284 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
c12392c0 285 $natchain='NAT_DESTINATION';
28640b73 286 if ($$hash{$key}[17] eq 'ON'){
cdb3536b 287 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
28640b73 288 }
28640b73 289 my ($ip,$sub) =split("/",$targethash{$b}[0]);
f0befbc3
AM		 290 #Process NAT with servicegroup used
291 if ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[14] eq 'cust_srvgrp'){
525204e0 292 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to-destination $ip $DPORT\n";
f0befbc3
AM		 293 $fwaccessdport=$DPORT;
294 }else{
525204e0 295 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to-destination $ip$DPORT\n";
f0befbc3
AM		 296 $DPORT =~ s/\-/:/g;
297 if ($DPORT){
298 $fwaccessdport="--dport ".substr($DPORT,1,);
299 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
300 if ($$hash{$key}[30]=~m/|/i){
301 $$hash{$key}[30] =~ s/\|/,/g;
302 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
303 }else{
304 $fwaccessdport="--dport $$hash{$key}[30]";
305 }
98cee89f
AM		 306 }
307 }
97bf45e5 308 print "iptables --wait -A FORWARDFW $PROT $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
c12392c0 309 next;
cdb3536b 310 #PROCESS SNAT RULE
08e1c65d 311 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
c12392c0 312 $natchain='NAT_SOURCE';
cdb3536b
AM		 313 if ($$hash{$key}[17] eq 'ON' ){
314 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT' \n";
315 }
525204e0 316 print "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to-source $natip\n";
2a81ab0d 317 }
cdb3536b 318 #PROCESS EVERY OTHER RULE (If NOT ICMP, else the rule would be applied double)
93c2de1c 319 if ($PROT ne '-p ICMP'){
cdb3536b
AM		 320 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
321 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
322 }
a211fee3 323 print "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
93c2de1c 324 }
cdb3536b 325 #PROCESS Prot ICMP and type = All ICMP-Types
86a921ee 326 if ($PROT eq '-p ICMP' && $$hash{$key}[9] eq 'All ICMP-Types'){
cdb3536b
AM		 327 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
328 print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
329 }
a211fee3 330 print "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
86a921ee
AM		 331 }
332 }
2a81ab0d
AM		 333 }
334 }
335 }
336 print"\n";
337 }
2a81ab0d
AM		 338 }elsif($MODE eq '0'){
339 foreach my $DPROT (@DPROT){
340 $DPORT = &get_port($hash,$key,$DPROT);
a4c7bf6b 341 $PROT=$DPROT;
3af3ecd3 342 $PROT="-p $PROT" if ($PROT ne '' && $PROT ne ' ');
82b837cf
AM		 343 if ($DPROT ne 'TCP' && $DPROT ne'UDP' && $DPROT ne 'ICMP' ){
344 $DPORT='';
345 }
2a81ab0d
AM		 346 foreach my $a (sort keys %sourcehash){
347 foreach my $b (sort keys %targethash){
800077a6
AM		 348 if(! $sourcehash{$a}[0] || ! $targethash{$b}[0] || ($natip eq '-d ' && $$hash{$key}[28] eq 'ON') || (!$natip && $$hash{$key}[28] eq 'ON')){
349 #Skip rules when no RED IP is set (DHCP,DSL)
350 next;
351 }
d334d7cb
AM		 352 next if ($targethash{$b}[0] eq 'none');
353 $STAG='';
d7dc9718 354 if ($sourcehash{$a}[0] ne $targethash{$b}[0] && $targethash{$b}[0] ne 'none' || $sourcehash{$a}[0] eq '0.0.0.0/0.0.0.0'){
6e62882d 355 if($DPROT ne ''){
5d7faa45 356 if(substr($sourcehash{$a}[0], 3, 3) ne 'mac' && $sourcehash{$a}[0] ne ''){ $STAG="-s";}
93c2de1c 357 #Process ICMP RULE
8cb1afc8
AM		 358 if(substr($DPORT, 2, 4) eq 'icmp'){
359 my @icmprule= split(",",substr($DPORT, 12,));
360 foreach (@icmprule){
2aeb4b25
AM		 361 $icmptype="--icmp-type ";
362 if ($_ eq "BLANK") {
363 $icmptype="";
364 $_="";
365 }
8cb1afc8 366 if ($$hash{$key}[17] eq 'ON'){
2aeb4b25 367 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j LOG");
8cb1afc8 368 }
2aeb4b25 369 system ("$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $icmptype $_ $TIME -j $$hash{$key}[0]");
a6edca5a 370 }
93c2de1c 371 #PROCESS DNAT RULE (Portforward)
a6edca5a 372 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat'){
c12392c0 373 $natchain='NAT_DESTINATION';
a6edca5a 374 if ($$hash{$key}[17] eq 'ON'){
cdb3536b 375 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j LOG --log-prefix 'DNAT' \n";
8cb1afc8 376 }
a6edca5a 377 my ($ip,$sub) =split("/",$targethash{$b}[0]);
f0befbc3
AM		 378 #Process NAT with servicegroup used
379 if ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[14] eq 'cust_srvgrp'){
525204e0 380 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to-destination $ip $DPORT\n";
f0befbc3
AM		 381 $fwaccessdport=$DPORT;
382 }else{
525204e0 383 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT $natip $fireport $TIME -j $nat --to-destination $ip$DPORT\n";
f0befbc3
AM		 384 $DPORT =~ s/\-/:/g;
385 if ($DPORT){
386 $fwaccessdport="--dport ".substr($DPORT,1,);
387 }elsif(! $DPORT && $$hash{$key}[30] ne ''){
388 if ($$hash{$key}[30]=~m/|/i){
389 $$hash{$key}[30] =~ s/\|/,/g;
390 $fwaccessdport="-m multiport --dport $$hash{$key}[30]";
391 }else{
392 $fwaccessdport="--dport $$hash{$key}[30]";
393 }
98cee89f
AM		 394 }
395 }
97bf45e5 396 system "iptables --wait -A FORWARDFW $PROT $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
c12392c0 397 next;
93c2de1c 398 #PROCESS SNAT RULE
a6edca5a 399 }elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
c12392c0 400 $natchain='NAT_SOURCE';
cdb3536b
AM		 401 if ($$hash{$key}[17] eq 'ON' ){
402 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG --log-prefix 'SNAT' \n";
403 }
525204e0 404 system "$command $natchain $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $nat --to-source $natip\n";
c12392c0 405 }
93c2de1c
AM		 406 #PROCESS EVERY OTHER RULE (If NOT ICMP, else the rule would be applied double)
407 if ($PROT ne '-p ICMP'){
cdb3536b
AM		 408 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
409 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
410 }
a211fee3 411 system "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
93c2de1c 412 }
86a921ee
AM		 413 #PROCESS Prot ICMP and type = All ICMP-Types
414 if ($PROT eq '-p ICMP' && $$hash{$key}[9] eq 'All ICMP-Types'){
cdb3536b
AM		 415 if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
416 system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
417 }
a211fee3 418 system "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
86a921ee
AM		 419 }
420 }
2a81ab0d
AM		 421 }
422 }
423 }
2a81ab0d
AM		 424 }
425 }
426 }
427 %sourcehash=();
428 %targethash=();
429 undef $TIME;
430 undef $TIMEFROM;
431 undef $TIMETILL;
a6edca5a 432 undef $fireport;
2a81ab0d
AM		 433 }
434}
a6edca5a
AM		 435sub get_nat_ip
436{
437 my $val=shift;
08e1c65d 438 my $type=shift;
a6edca5a
AM		 439 my $result;
440 if($val eq 'RED' || $val eq 'GREEN' || $val eq 'ORANGE' || $val eq 'BLUE'){
441 $result=$defaultNetworks{$val.'_ADDRESS'};
442 }elsif($val eq 'ALL'){
443 $result='-i '.$con;
08e1c65d 444 }elsif($val eq 'Default IP' && $type eq 'dnat'){
a6edca5a 445 $result='-d '.$redip;
08e1c65d
AM		 446 }elsif($val eq 'Default IP' && $type eq 'snat'){
447 $result=$redip;
a6edca5a
AM		 448 }else{
449 foreach my $al (sort keys %aliases){
08e1c65d 450 if($val eq $al && $type eq 'dnat'){
a6edca5a 451 $result='-d '.$aliases{$al}{'IPT'};
08e1c65d
AM		 452 }elsif($val eq $al && $type eq 'snat'){
453 $result=$aliases{$al}{'IPT'};
a6edca5a
AM		 454 }
455 }
456 }
457 return $result;
458}
472136c9
AM		 459sub get_time
460{
461 my $val=shift;
462 my $val1=shift;
463 my $time;
464 my $minutes;
465 my $ruletime;
466 $minutes = &utcmin($val);
467 $ruletime = $minutes + &time_get_utc($val);
468 if ($ruletime < 0){$ruletime +=1440;}
469 if ($ruletime > 1440){$ruletime -=1440;}
470 $time=sprintf "%02d:%02d", $ruletime / 60, $ruletime % 60;
471 return $time;
472}
473sub time_get_utc
474{
475 # Calculates the UTCtime from a given time
476 my $val=shift;
477 my @localtime=localtime(time);
478 my @gmtime=gmtime(time);
479 my $diff = ($gmtime[2]*60+$gmtime[1]%60)-($localtime[2]*60+$localtime[1]%60);
480 return $diff;
481}
482sub utcmin
483{
484 my $ruletime=shift;
485 my ($hrs,$min) = split(":",$ruletime);
486 my $newtime = $hrs*60+$min;
487 return $newtime;
488}
36196d0d
AM		 489sub p2pblock
490{
491 my $P2PSTRING;
492 my $DO;
493 open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
494 @p2ps = <FILE>;
495 close FILE;
496 my $CMD = "-m ipp2p";
497 foreach my $p2pentry (sort @p2ps) {
498 my @p2pline = split( /\;/, $p2pentry );
8d1beadc
AM		 499 if ( $fwdfwsettings{'POLICY'} eq 'MODE1' ) {
500 $DO = "ACCEPT";
5238a871 501 if ("$p2pline[2]" eq "on") {
36196d0d
AM		 502 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
503 }
8d1beadc 504 }else {
36196d0d 505 $DO = "RETURN";
5238a871 506 if ("$p2pline[2]" eq "off") {
36196d0d
AM		 507 $P2PSTRING = "$P2PSTRING --$p2pline[1]";
508 }
509 }
510 }
511 if ($MODE eq 1){
512 if($P2PSTRING){
a211fee3 513 print"/sbin/iptables --wait -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
36196d0d
AM		 514 }
515 }else{
516 if($P2PSTRING){
a211fee3 517 system("/sbin/iptables --wait -A FORWARDFW $CMD $P2PSTRING -j $DO");
36196d0d
AM		 518 }
519 }
520}
2a81ab0d
AM		 521sub get_address
522{
523 my $base=shift; #source of checking ($configfwdfw{$key}[x] or groupkey
524 my $base2=shift;
525 my $type=shift; #src or tgt
526 my $hash;
527 if ($type eq 'src'){
86a921ee 528 $hash=\%sourcehash;
2a81ab0d
AM		 529 }else{
530 $hash=\%targethash;
531 }
532 my $key = &General::findhasharraykey($hash);
533 if($base eq 'src_addr' || $base eq 'tgt_addr' ){
b5269091
AM		 534 if (&General::validmac($base2)){
535 $$hash{$key}[0] = "-m mac --mac-source $base2";
536 }else{
537 $$hash{$key}[0] = $base2;
538 }
2a81ab0d 539 }elsif($base eq 'std_net_src' || $base eq 'std_net_tgt' || $base eq 'Standard Network'){
ddcec9d3 540 $$hash{$key}[0]=&fwlib::get_std_net_ip($base2,$con);
2a81ab0d
AM		 541 }elsif($base eq 'cust_net_src' || $base eq 'cust_net_tgt' || $base eq 'Custom Network'){
542 $$hash{$key}[0]=&fwlib::get_net_ip($base2);
543 }elsif($base eq 'cust_host_src' || $base eq 'cust_host_tgt' || $base eq 'Custom Host'){
544 $$hash{$key}[0]=&fwlib::get_host_ip($base2,$type);
545 }elsif($base eq 'ovpn_net_src' || $base eq 'ovpn_net_tgt' || $base eq 'OpenVPN static network'){
546 $$hash{$key}[0]=&fwlib::get_ovpn_net_ip($base2,1);
547 }elsif($base eq 'ovpn_host_src' ||$base eq 'ovpn_host_tgt' || $base eq 'OpenVPN static host'){
548 $$hash{$key}[0]=&fwlib::get_ovpn_host_ip($base2,33);
549 }elsif($base eq 'ovpn_n2n_src' ||$base eq 'ovpn_n2n_tgt' || $base eq 'OpenVPN N-2-N'){
6fab5bca 550 $$hash{$key}[0]=&fwlib::get_ovpn_n2n_ip($base2,11);
2a81ab0d
AM		 551 }elsif($base eq 'ipsec_net_src' || $base eq 'ipsec_net_tgt' || $base eq 'IpSec Network'){
552 $$hash{$key}[0]=&fwlib::get_ipsec_net_ip($base2,11);
a0fb1099
AM		 553 }elsif($base eq 'ipfire_src' ){
554 if($base2 eq 'GREEN'){
555 $$hash{$key}[0]=$defaultNetworks{'GREEN_ADDRESS'};
556 }
557 if($base2 eq 'BLUE'){
558 $$hash{$key}[0]=$defaultNetworks{'BLUE_ADDRESS'};
559 }
560 if($base2 eq 'ORANGE'){
561 $$hash{$key}[0]=$defaultNetworks{'ORANGE_ADDRESS'};
562 }
563 if($base2 eq 'ALL'){
564 $$hash{$key}[0]='0.0.0.0/0';
565 }
566 if($base2 eq 'RED' || $base2 eq 'RED1'){
800077a6 567 open(FILE, "/var/ipfire/red/local-ipaddress");
a0fb1099
AM		 568 $$hash{$key}[0]= <FILE>;
569 close(FILE);
570 }else{
571 foreach my $alias (sort keys %aliases){
572 if ($base2 eq $alias){
573 $$hash{$key}[0]=$aliases{$alias}{'IPT'};
574 }
575 }
576 }
2a81ab0d
AM		 577 }
578}
579sub get_prot
580{
581 my $hash=shift;
582 my $key=shift;
a4c7bf6b
AM		 583 #check AH,GRE,ESP or ICMP
584 if ($$hash{$key}[7] ne 'ON' && $$hash{$key}[11] ne 'ON'){
585 return "$$hash{$key}[8]";
586 }
587 if ($$hash{$key}[7] eq 'ON' || $$hash{$key}[11] eq 'ON'){
588 #check if servicegroup or service
589 if($$hash{$key}[14] eq 'cust_srv'){
2a81ab0d 590 return &fwlib::get_srv_prot($$hash{$key}[15]);
2a81ab0d
AM		 591 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
592 return &fwlib::get_srvgrp_prot($$hash{$key}[15]);
a4c7bf6b
AM		 593 }elsif (($$hash{$key}[10] ne '' || $$hash{$key}[15] ne '') && $$hash{$key}[8] eq ''){ #when ports are used and prot set to "all"
594 return "TCP,UDP";
595 }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"
596 return "$$hash{$key}[8]";
597 }elsif (($$hash{$key}[10] eq '' && $$hash{$key}[15] eq '') && $$hash{$key}[8] ne 'ICMP'){ #when ports are NOT used and prot NOT set to "ICMP"
598 return "$$hash{$key}[8]";
599 }else{
600 return "$$hash{$key}[8]";
2a81ab0d
AM		 601 }
602 }
98cee89f
AM		 603 #DNAT
604 if ($SRC_TGT eq '' && $$hash{$key}[31] eq 'dnat' && $$hash{$key}[11] eq '' && $$hash{$key}[12] ne ''){
fadcfb73 605 return "$$hash{$key}[8]";
98cee89f 606 }
2a81ab0d
AM		 607}
608sub get_port
609{
610 my $hash=shift;
611 my $key=shift;
612 my $prot=shift;
14bcb9a2 613 #Get manual defined Ports from SOURCE
2a81ab0d
AM		 614 if ($$hash{$key}[7] eq 'ON' && $SRC_TGT eq 'SRC'){
615 if ($$hash{$key}[10] ne ''){
8f0b047b 616 $$hash{$key}[10] =~ s/\|/,/g;
93a5f4a5
AM		 617 if(index($$hash{$key}[10],",") > 0){
618 return "-m multiport --sport $$hash{$key}[10] ";
619 }else{
a6edca5a
AM		 620 if($$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') ){
621 return "--sport $$hash{$key}[10] ";
622 }else{
623 return ":$$hash{$key}[10]";
624 }
93a5f4a5 625 }
2a81ab0d 626 }
14bcb9a2 627 #Get manual ports from TARGET
2a81ab0d 628 }elsif($$hash{$key}[11] eq 'ON' && $SRC_TGT eq ''){
2a81ab0d
AM		 629 if($$hash{$key}[14] eq 'TGT_PORT'){
630 if ($$hash{$key}[15] ne ''){
8f0b047b 631 $$hash{$key}[15] =~ s/\|/,/g;
93a5f4a5
AM		 632 if(index($$hash{$key}[15],",") > 0){
633 return "-m multiport --dport $$hash{$key}[15] ";
634 }else{
a6edca5a
AM		 635 if($$hash{$key}[28] ne 'ON' || ($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat') ){
636 return "--dport $$hash{$key}[15] ";
637 }else{
829697d0 638 $$hash{$key}[15] =~ s/\:/-/g;
653a71b9 639 return ":$$hash{$key}[15]";
a6edca5a 640 }
93a5f4a5 641 }
2a81ab0d 642 }
14bcb9a2 643 #Get ports defined in custom Service (firewall-groups)
2a81ab0d
AM		 644 }elsif($$hash{$key}[14] eq 'cust_srv'){
645 if ($prot ne 'ICMP'){
653a71b9 646 if($$hash{$key}[31] eq 'dnat' && $$hash{$key}[28] eq 'ON'){
14bcb9a2
AM		 647 my $ports =&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
648 $ports =~ s/\:/-/g;
649 return ":".$ports
6be32fe5
AM		 650 }else{
651 return "--dport ".&fwlib::get_srv_port($$hash{$key}[15],1,$prot);
652 }
e6e9a811
AM		 653 }elsif($prot eq 'ICMP' && $$hash{$key}[11] eq 'ON'){ #When PROT is ICMP and "use targetport is checked, this is an icmp-service
654 return "--icmp-type ".&fwlib::get_srv_port($$hash{$key}[15],3,$prot);
2a81ab0d 655 }
14bcb9a2 656 #Get ports from services which are used in custom servicegroups (firewall-groups)
2a81ab0d
AM		 657 }elsif($$hash{$key}[14] eq 'cust_srvgrp'){
658 if ($prot ne 'ICMP'){
659 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
660 }
661 elsif($prot eq 'ICMP'){
662 return &fwlib::get_srvgrp_port($$hash{$key}[15],$prot);
663 }
2a81ab0d
AM		 664 }
665 }
a4c7bf6b
AM		 666 #CHECK ICMP
667 if ($$hash{$key}[7] ne 'ON' && $$hash{$key}[11] ne 'ON' && $SRC_TGT eq ''){
668 if($$hash{$key}[9] ne '' && $$hash{$key}[9] ne 'All ICMP-Types'){
669 return "--icmp-type $$hash{$key}[9] ";
670 }elsif($$hash{$key}[9] eq 'All ICMP-Types'){
671 return;
672 }
673 }
2a81ab0d 674}
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