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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 | no warnings 'uninitialized'; | |
24 | ||
25 | package fwlib; | |
26 | ||
27 | my %customnetwork=(); | |
28 | my %customhost=(); | |
29 | my %customgrp=(); | |
30 | my %customgeoipgrp=(); | |
31 | my %customservice=(); | |
32 | my %customservicegrp=(); | |
33 | my %ccdnet=(); | |
34 | my %ccdhost=(); | |
35 | my %ipsecconf=(); | |
36 | my %ipsecsettings=(); | |
37 | my %netsettings=(); | |
38 | my %ovpnsettings=(); | |
39 | my %aliases=(); | |
40 | ||
41 | require '/var/ipfire/general-functions.pl'; | |
42 | ||
43 | my $confignet = "${General::swroot}/fwhosts/customnetworks"; | |
44 | my $confighost = "${General::swroot}/fwhosts/customhosts"; | |
45 | my $configgrp = "${General::swroot}/fwhosts/customgroups"; | |
46 | my $configgeoipgrp = "${General::swroot}/fwhosts/customgeoipgrp"; | |
47 | my $configsrv = "${General::swroot}/fwhosts/customservices"; | |
48 | my $configsrvgrp = "${General::swroot}/fwhosts/customservicegrp"; | |
49 | my $configccdnet = "${General::swroot}/ovpn/ccd.conf"; | |
50 | my $configccdhost = "${General::swroot}/ovpn/ovpnconfig"; | |
51 | my $configipsec = "${General::swroot}/vpn/config"; | |
52 | my $configovpn = "${General::swroot}/ovpn/settings"; | |
53 | my $val; | |
54 | my $field; | |
55 | my $netsettings = "${General::swroot}/ethernet/settings"; | |
56 | ||
57 | &General::readhash("/var/ipfire/ethernet/settings", \%netsettings); | |
58 | &General::readhash("${General::swroot}/ovpn/settings", \%ovpnsettings); | |
59 | &General::readhash("${General::swroot}/vpn/settings", \%ipsecsettings); | |
60 | ||
61 | &General::readhasharray("$confignet", \%customnetwork); | |
62 | &General::readhasharray("$confighost", \%customhost); | |
63 | &General::readhasharray("$configgrp", \%customgrp); | |
64 | &General::readhasharray("$configgeoipgrp", \%customgeoipgrp); | |
65 | &General::readhasharray("$configccdnet", \%ccdnet); | |
66 | &General::readhasharray("$configccdhost", \%ccdhost); | |
67 | &General::readhasharray("$configipsec", \%ipsecconf); | |
68 | &General::readhasharray("$configsrv", \%customservice); | |
69 | &General::readhasharray("$configsrvgrp", \%customservicegrp); | |
70 | &General::get_aliases(\%aliases); | |
71 | ||
72 | sub get_srv_prot | |
73 | { | |
74 | my $val=shift; | |
75 | foreach my $key (sort {$a <=> $b} keys %customservice){ | |
76 | if($customservice{$key}[0] eq $val){ | |
77 | if ($customservice{$key}[0] eq $val){ | |
78 | return $customservice{$key}[2]; | |
79 | } | |
80 | } | |
81 | } | |
82 | } | |
83 | sub get_srvgrp_prot | |
84 | { | |
85 | my $val=shift; | |
86 | my @ips=(); | |
87 | my $tcp; | |
88 | my $udp; | |
89 | my $icmp; | |
90 | foreach my $key (sort {$a <=> $b} keys %customservicegrp){ | |
91 | if($customservicegrp{$key}[0] eq $val){ | |
92 | if (&get_srv_prot($customservicegrp{$key}[2]) eq 'TCP'){ | |
93 | $tcp=1; | |
94 | }elsif(&get_srv_prot($customservicegrp{$key}[2]) eq 'UDP'){ | |
95 | $udp=1; | |
96 | }elsif(&get_srv_prot($customservicegrp{$key}[2]) eq 'ICMP'){ | |
97 | $icmp=1; | |
98 | }else{ | |
99 | #Protocols used in servicegroups | |
100 | push (@ips,$customservicegrp{$key}[2]); | |
101 | } | |
102 | } | |
103 | } | |
104 | if ($tcp eq '1'){push (@ips,'TCP');} | |
105 | if ($udp eq '1'){push (@ips,'UDP');} | |
106 | if ($icmp eq '1'){push (@ips,'ICMP');} | |
107 | my $back=join(",",@ips); | |
108 | return $back; | |
109 | ||
110 | } | |
111 | sub get_srv_port | |
112 | { | |
113 | my $val=shift; | |
114 | my $field=shift; | |
115 | my $prot=shift; | |
116 | foreach my $key (sort {$a <=> $b} keys %customservice){ | |
117 | if($customservice{$key}[0] eq $val && $customservice{$key}[2] eq $prot){ | |
118 | return $customservice{$key}[$field]; | |
119 | } | |
120 | } | |
121 | } | |
122 | sub get_srvgrp_port | |
123 | { | |
124 | my $val=shift; | |
125 | my $prot=shift; | |
126 | my $back; | |
127 | my $value; | |
128 | my @ips=(); | |
129 | foreach my $key (sort {$a <=> $b} keys %customservicegrp){ | |
130 | if($customservicegrp{$key}[0] eq $val){ | |
131 | if ($prot ne 'ICMP'){ | |
132 | $value=&get_srv_port($customservicegrp{$key}[2],1,$prot); | |
133 | }elsif ($prot eq 'ICMP'){ | |
134 | $value=&get_srv_port($customservicegrp{$key}[2],3,$prot); | |
135 | } | |
136 | push (@ips,$value) if ($value ne '') ; | |
137 | } | |
138 | } | |
139 | if($prot ne 'ICMP'){ | |
140 | if ($#ips gt 0){$back="-m multiport --dports ";}else{$back="--dport ";} | |
141 | }elsif ($prot eq 'ICMP'){ | |
142 | $back="--icmp-type "; | |
143 | } | |
144 | ||
145 | $back.=join(",",@ips); | |
146 | return $back; | |
147 | } | |
148 | sub get_ipsec_net_ip | |
149 | { | |
150 | my $val=shift; | |
151 | my $field=shift; | |
152 | foreach my $key (sort {$a <=> $b} keys %ipsecconf){ | |
153 | #adapt $val to reflect real name without subnet (if rule with only one ipsec subnet is created) | |
154 | my @tmpval = split (/\|/, $val); | |
155 | $val = $tmpval[0]; | |
156 | if($ipsecconf{$key}[1] eq $val){ | |
157 | return $ipsecconf{$key}[$field]; | |
158 | } | |
159 | } | |
160 | } | |
161 | sub get_ipsec_host_ip | |
162 | { | |
163 | my $val=shift; | |
164 | my $field=shift; | |
165 | foreach my $key (sort {$a <=> $b} keys %ipsecconf){ | |
166 | if($ipsecconf{$key}[1] eq $val){ | |
167 | return $ipsecconf{$key}[$field]; | |
168 | } | |
169 | } | |
170 | } | |
171 | sub get_ovpn_n2n_ip | |
172 | { | |
173 | my $val=shift; | |
174 | my $field=shift; | |
175 | foreach my $key (sort {$a <=> $b} keys %ccdhost){ | |
176 | if($ccdhost{$key}[1] eq $val){ | |
177 | return $ccdhost{$key}[$field]; | |
178 | } | |
179 | } | |
180 | } | |
181 | sub get_ovpn_host_ip | |
182 | { | |
183 | my $val=shift; | |
184 | my $field=shift; | |
185 | foreach my $key (sort {$a <=> $b} keys %ccdhost){ | |
186 | if($ccdhost{$key}[1] eq $val){ | |
187 | return $ccdhost{$key}[$field]; | |
188 | } | |
189 | } | |
190 | } | |
191 | sub get_ovpn_net_ip | |
192 | { | |
193 | ||
194 | my $val=shift; | |
195 | my $field=shift; | |
196 | foreach my $key (sort {$a <=> $b} keys %ccdnet){ | |
197 | if($ccdnet{$key}[0] eq $val){ | |
198 | return $ccdnet{$key}[$field]; | |
199 | } | |
200 | } | |
201 | } | |
202 | sub get_grp_ip | |
203 | { | |
204 | my $val=shift; | |
205 | my $src=shift; | |
206 | foreach my $key (sort {$a <=> $b} keys %customgrp){ | |
207 | if ($customgrp{$key}[0] eq $val){ | |
208 | &get_address($customgrp{$key}[3],$src); | |
209 | } | |
210 | } | |
211 | ||
212 | } | |
213 | sub get_std_net_ip | |
214 | { | |
215 | my $val=shift; | |
216 | my $con=shift; | |
217 | if ($val eq 'ALL'){ | |
218 | return "0.0.0.0/0.0.0.0"; | |
219 | }elsif($val eq 'GREEN'){ | |
220 | return "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}"; | |
221 | }elsif($val eq 'ORANGE'){ | |
222 | return "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"; | |
223 | }elsif($val eq 'BLUE'){ | |
224 | return "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"; | |
225 | }elsif($val eq 'RED'){ | |
226 | return "0.0.0.0/0"; | |
227 | }elsif($val =~ /OpenVPN/i){ | |
228 | return "$ovpnsettings{'DOVPN_SUBNET'}"; | |
229 | }elsif($val =~ /IPsec/i){ | |
230 | return "$ipsecsettings{'RW_NET'}"; | |
231 | }elsif($val eq 'IPFire'){ | |
232 | return ; | |
233 | } | |
234 | } | |
235 | sub get_interface | |
236 | { | |
237 | my $net=shift; | |
238 | if($net eq "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}"){ | |
239 | return "$netsettings{'GREEN_DEV'}"; | |
240 | } | |
241 | if($net eq "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"){ | |
242 | return "$netsettings{'ORANGE_DEV'}"; | |
243 | } | |
244 | if($net eq "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"){ | |
245 | return "$netsettings{'BLUE_DEV'}"; | |
246 | } | |
247 | if($net eq "0.0.0.0/0") { | |
248 | return &get_external_interface(); | |
249 | } | |
250 | return ""; | |
251 | } | |
252 | sub get_net_ip | |
253 | { | |
254 | my $val=shift; | |
255 | foreach my $key (sort {$a <=> $b} keys %customnetwork){ | |
256 | if($customnetwork{$key}[0] eq $val){ | |
257 | return "$customnetwork{$key}[1]/$customnetwork{$key}[2]"; | |
258 | } | |
259 | } | |
260 | } | |
261 | sub get_host_ip | |
262 | { | |
263 | my $val=shift; | |
264 | my $src=shift; | |
265 | foreach my $key (sort {$a <=> $b} keys %customhost){ | |
266 | if($customhost{$key}[0] eq $val){ | |
267 | if ($customhost{$key}[1] eq 'mac' && $src eq 'src'){ | |
268 | return "-m mac --mac-source $customhost{$key}[2]"; | |
269 | }elsif($customhost{$key}[1] eq 'ip' && $src eq 'src'){ | |
270 | return "$customhost{$key}[2]"; | |
271 | }elsif($customhost{$key}[1] eq 'ip' && $src eq 'tgt'){ | |
272 | return "$customhost{$key}[2]"; | |
273 | }elsif($customhost{$key}[1] eq 'mac' && $src eq 'tgt'){ | |
274 | return "none"; | |
275 | } | |
276 | } | |
277 | } | |
278 | } | |
279 | sub get_addresses | |
280 | { | |
281 | my $hash = shift; | |
282 | my $key = shift; | |
283 | my $type = shift; | |
284 | ||
285 | my @addresses = (); | |
286 | my $addr_type; | |
287 | my $value; | |
288 | my $group_name; | |
289 | ||
290 | if ($type eq "src") { | |
291 | $addr_type = $$hash{$key}[3]; | |
292 | $value = $$hash{$key}[4]; | |
293 | ||
294 | } elsif ($type eq "tgt") { | |
295 | $addr_type = $$hash{$key}[5]; | |
296 | $value = $$hash{$key}[6]; | |
297 | } | |
298 | ||
299 | if ($addr_type ~~ ["cust_grp_src", "cust_grp_tgt"]) { | |
300 | foreach my $grp (sort {$a <=> $b} keys %customgrp) { | |
301 | if ($customgrp{$grp}[0] eq $value) { | |
302 | my @address = &get_address($customgrp{$grp}[3], $customgrp{$grp}[2], $type); | |
303 | ||
304 | if (@address) { | |
305 | push(@addresses, @address); | |
306 | } | |
307 | } | |
308 | } | |
309 | }elsif ($addr_type ~~ ["cust_geoip_src", "cust_geoip_tgt"] && $value =~ "group:") { | |
310 | $value=substr($value,6); | |
311 | foreach my $grp (sort {$a <=> $b} keys %customgeoipgrp) { | |
312 | if ($customgeoipgrp{$grp}[0] eq $value) { | |
313 | my @address = &get_address($addr_type, $customgeoipgrp{$grp}[2], $type); | |
314 | ||
315 | if (@address) { | |
316 | push(@addresses, @address); | |
317 | } | |
318 | } | |
319 | } | |
320 | } else { | |
321 | my @address = &get_address($addr_type, $value, $type); | |
322 | ||
323 | if (@address) { | |
324 | push(@addresses, @address); | |
325 | } | |
326 | } | |
327 | ||
328 | return @addresses; | |
329 | } | |
330 | sub get_address | |
331 | { | |
332 | my $key = shift; | |
333 | my $value = shift; | |
334 | my $type = shift; | |
335 | ||
336 | my @ret = (); | |
337 | ||
338 | # If the user manually typed an address, we just check if it is a MAC | |
339 | # address. Otherwise, we assume that it is an IP address. | |
340 | if ($key ~~ ["src_addr", "tgt_addr"]) { | |
341 | if (&General::validmac($value)) { | |
342 | push(@ret, ["-m mac --mac-source $value", ""]); | |
343 | } else { | |
344 | push(@ret, [$value, ""]); | |
345 | } | |
346 | ||
347 | # If a default network interface (GREEN, BLUE, etc.) is selected, we | |
348 | # try to get the corresponding address of the network. | |
349 | } elsif ($key ~~ ["std_net_src", "std_net_tgt", "Standard Network"]) { | |
350 | my $external_interface = &get_external_interface(); | |
351 | ||
352 | my $network_address = &get_std_net_ip($value, $external_interface); | |
353 | ||
354 | if ($network_address) { | |
355 | my $interface = &get_interface($network_address); | |
356 | push(@ret, [$network_address, $interface]); | |
357 | } | |
358 | ||
359 | # Custom networks. | |
360 | } elsif ($key ~~ ["cust_net_src", "cust_net_tgt", "Custom Network"]) { | |
361 | my $network_address = &get_net_ip($value); | |
362 | if ($network_address) { | |
363 | push(@ret, [$network_address, ""]); | |
364 | } | |
365 | ||
366 | # Custom hosts. | |
367 | } elsif ($key ~~ ["cust_host_src", "cust_host_tgt", "Custom Host"]) { | |
368 | my $host_address = &get_host_ip($value, $type); | |
369 | if ($host_address) { | |
370 | push(@ret, [$host_address, ""]); | |
371 | } | |
372 | ||
373 | # OpenVPN networks. | |
374 | } elsif ($key ~~ ["ovpn_net_src", "ovpn_net_tgt", "OpenVPN static network"]) { | |
375 | my $network_address = &get_ovpn_net_ip($value, 1); | |
376 | if ($network_address) { | |
377 | push(@ret, [$network_address, ""]); | |
378 | } | |
379 | ||
380 | # OpenVPN hosts. | |
381 | } elsif ($key ~~ ["ovpn_host_src", "ovpn_host_tgt", "OpenVPN static host"]) { | |
382 | my $host_address = &get_ovpn_host_ip($value, 33); | |
383 | if ($host_address) { | |
384 | push(@ret, [$host_address, ""]); | |
385 | } | |
386 | ||
387 | # OpenVPN N2N. | |
388 | } elsif ($key ~~ ["ovpn_n2n_src", "ovpn_n2n_tgt", "OpenVPN N-2-N"]) { | |
389 | my $network_address = &get_ovpn_n2n_ip($value, 11); | |
390 | if ($network_address) { | |
391 | push(@ret, [$network_address, ""]); | |
392 | } | |
393 | ||
394 | # IPsec networks. | |
395 | } elsif ($key ~~ ["ipsec_net_src", "ipsec_net_tgt", "IpSec Network"]) { | |
396 | #Check if we have multiple subnets and only want one of them | |
397 | if ( $value =~ /\|/ ){ | |
398 | my @parts = split(/\|/, $value); | |
399 | push(@ret, [$parts[1], ""]); | |
400 | }else{ | |
401 | my $network_address = &get_ipsec_net_ip($value, 11); | |
402 | my @nets = split(/\|/, $network_address); | |
403 | foreach my $net (@nets) { | |
404 | push(@ret, [$net, ""]); | |
405 | } | |
406 | } | |
407 | ||
408 | # The firewall's own IP addresses. | |
409 | } elsif ($key ~~ ["ipfire", "ipfire_src"]) { | |
410 | # ALL | |
411 | if ($value eq "ALL") { | |
412 | push(@ret, ["0/0", ""]); | |
413 | ||
414 | # GREEN | |
415 | } elsif ($value eq "GREEN") { | |
416 | push(@ret, [$netsettings{"GREEN_ADDRESS"}, ""]); | |
417 | ||
418 | # BLUE | |
419 | } elsif ($value eq "BLUE") { | |
420 | push(@ret, [$netsettings{"BLUE_ADDRESS"}, ""]); | |
421 | ||
422 | # ORANGE | |
423 | } elsif ($value eq "ORANGE") { | |
424 | push(@ret, [$netsettings{"ORANGE_ADDRESS"}, ""]); | |
425 | ||
426 | # RED | |
427 | } elsif ($value ~~ ["RED", "RED1"]) { | |
428 | my $address = &get_external_address(); | |
429 | if ($address) { | |
430 | push(@ret, [$address, ""]); | |
431 | } | |
432 | ||
433 | # Aliases | |
434 | } else { | |
435 | my $alias = &get_alias($value); | |
436 | if ($alias) { | |
437 | push(@ret, [$alias, ""]); | |
438 | } | |
439 | } | |
440 | ||
441 | # Handle rule options with GeoIP as source. | |
442 | } elsif ($key eq "cust_geoip_src") { | |
443 | # Get external interface. | |
444 | my $external_interface = &get_external_interface(); | |
445 | ||
446 | push(@ret, ["-m geoip --src-cc $value", "$external_interface"]); | |
447 | ||
448 | # Handle rule options with GeoIP as target. | |
449 | } elsif ($key eq "cust_geoip_tgt") { | |
450 | # Get external interface. | |
451 | my $external_interface = &get_external_interface(); | |
452 | ||
453 | push(@ret, ["-m geoip --dst-cc $value", "$external_interface"]); | |
454 | ||
455 | # If nothing was selected, we assume "any". | |
456 | } else { | |
457 | push(@ret, ["0/0", ""]); | |
458 | } | |
459 | ||
460 | return @ret; | |
461 | } | |
462 | sub get_external_interface() | |
463 | { | |
464 | open(IFACE, "/var/ipfire/red/iface") or return ""; | |
465 | my $iface = <IFACE>; | |
466 | close(IFACE); | |
467 | ||
468 | return $iface; | |
469 | } | |
470 | sub get_external_address() | |
471 | { | |
472 | open(ADDR, "/var/ipfire/red/local-ipaddress") or return ""; | |
473 | my $address = <ADDR>; | |
474 | close(ADDR); | |
475 | ||
476 | return $address; | |
477 | } | |
478 | sub get_alias | |
479 | { | |
480 | my $id = shift; | |
481 | ||
482 | foreach my $alias (sort keys %aliases) { | |
483 | if ($id eq $alias) { | |
484 | return $aliases{$alias}{"IPT"}; | |
485 | } | |
486 | } | |
487 | } | |
488 | ||
489 | sub get_nat_address { | |
490 | my $zone = shift; | |
491 | my $source = shift; | |
492 | ||
493 | # Any static address of any zone. | |
494 | if ($zone eq "AUTO") { | |
495 | if ($source && ($source !~ m/mac/i )) { | |
496 | my $firewall_ip = &get_internal_firewall_ip_address($source, 1); | |
497 | if ($firewall_ip) { | |
498 | return $firewall_ip; | |
499 | } | |
500 | ||
501 | $firewall_ip = &get_matching_firewall_address($source, 1); | |
502 | if ($firewall_ip) { | |
503 | return $firewall_ip; | |
504 | } | |
505 | } | |
506 | ||
507 | return &get_external_address(); | |
508 | ||
509 | } elsif ($zone eq "RED" || $zone eq "GREEN" || $zone eq "ORANGE" || $zone eq "BLUE") { | |
510 | return $netsettings{$zone . "_ADDRESS"}; | |
511 | ||
512 | } elsif ($zone ~~ ["Default IP", "ALL"]) { | |
513 | return &get_external_address(); | |
514 | ||
515 | } else { | |
516 | my $alias = &get_alias($zone); | |
517 | unless ($alias) { | |
518 | $alias = &get_external_address(); | |
519 | } | |
520 | return $alias; | |
521 | } | |
522 | ||
523 | print_error("Could not find NAT address"); | |
524 | } | |
525 | ||
526 | sub get_internal_firewall_ip_addresses | |
527 | { | |
528 | my $use_orange = shift; | |
529 | ||
530 | my @zones = ("GREEN", "BLUE"); | |
531 | if ($use_orange) { | |
532 | push(@zones, "ORANGE"); | |
533 | } | |
534 | ||
535 | my @addresses = (); | |
536 | for my $zone (@zones) { | |
537 | next unless (exists $netsettings{$zone . "_ADDRESS"}); | |
538 | ||
539 | my $zone_address = $netsettings{$zone . "_ADDRESS"}; | |
540 | push(@addresses, $zone_address); | |
541 | } | |
542 | ||
543 | return @addresses; | |
544 | } | |
545 | sub get_matching_firewall_address | |
546 | { | |
547 | my $addr = shift; | |
548 | my $use_orange = shift; | |
549 | ||
550 | my ($address, $netmask) = split("/", $addr); | |
551 | ||
552 | my @zones = ("GREEN", "BLUE"); | |
553 | if ($use_orange) { | |
554 | push(@zones, "ORANGE"); | |
555 | } | |
556 | ||
557 | foreach my $zone (@zones) { | |
558 | next unless (exists $netsettings{$zone . "_ADDRESS"}); | |
559 | ||
560 | my $zone_subnet = $netsettings{$zone . "_NETADDRESS"}; | |
561 | my $zone_mask = $netsettings{$zone . "_NETMASK"}; | |
562 | ||
563 | if (&General::IpInSubnet($address, $zone_subnet, $zone_mask)) { | |
564 | return $netsettings{$zone . "_ADDRESS"}; | |
565 | } | |
566 | } | |
567 | ||
568 | return 0; | |
569 | } | |
570 | sub get_internal_firewall_ip_address | |
571 | { | |
572 | my $subnet = shift; | |
573 | my $use_orange = shift; | |
574 | ||
575 | my ($net_address, $net_mask) = split("/", $subnet); | |
576 | if ((!$net_mask) || ($net_mask ~~ ["32", "255.255.255.255"])) { | |
577 | return 0; | |
578 | } | |
579 | ||
580 | # Convert net mask into correct format for &General::IpInSubnet(). | |
581 | $net_mask = &General::iporsubtodec($net_mask); | |
582 | ||
583 | my @addresses = &get_internal_firewall_ip_addresses($use_orange); | |
584 | foreach my $zone_address (@addresses) { | |
585 | if (&General::IpInSubnet($zone_address, $net_address, $net_mask)) { | |
586 | return $zone_address; | |
587 | } | |
588 | } | |
589 | ||
590 | return 0; | |
591 | } | |
592 | ||
593 | sub get_geoip_locations() { | |
594 | # Path to the directory which contains the binary geoip | |
595 | # databases. | |
596 | my $directory="/usr/share/xt_geoip/LE"; | |
597 | ||
598 | # Array to store the final country list. | |
599 | my @country_codes = (); | |
600 | ||
601 | # Open location and do a directory listing. | |
602 | opendir(DIR, "$directory"); | |
603 | my @locations = readdir(DIR); | |
604 | closedir(DIR); | |
605 | ||
606 | # Loop through the directory listing, and cut of the file extensions. | |
607 | foreach my $location (sort @locations) { | |
608 | # skip . and .. | |
609 | next if($location =~ /^\.$/); | |
610 | next if($location =~ /^\.\.$/); | |
611 | ||
612 | # Remove whitespaces. | |
613 | chomp($location); | |
614 | ||
615 | # Cut-off file extension. | |
616 | my ($country_code, $extension) = split(/\./, $location); | |
617 | ||
618 | # Add country code to array. | |
619 | push(@country_codes, $country_code); | |
620 | } | |
621 | ||
622 | # Return final array. | |
623 | return @country_codes; | |
624 | } | |
625 | ||
626 | return 1; |