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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 AM |
21 | |
22 | use strict; | |
23 | no warnings 'uninitialized'; | |
24 | ||
25 | package fwlib; | |
26 | ||
27 | my %customnetwork=(); | |
28 | my %customhost=(); | |
29 | my %customgrp=(); | |
30 | my %customservice=(); | |
31 | my %customservicegrp=(); | |
32 | my %ccdnet=(); | |
33 | my %ccdhost=(); | |
34 | my %ipsecconf=(); | |
35 | my %ipsecsettings=(); | |
36 | my %netsettings=(); | |
37 | my %ovpnsettings=(); | |
4e54e3c6 | 38 | my %aliases=(); |
2a81ab0d AM |
39 | |
40 | require '/var/ipfire/general-functions.pl'; | |
41 | ||
42 | my $confignet = "${General::swroot}/fwhosts/customnetworks"; | |
43 | my $confighost = "${General::swroot}/fwhosts/customhosts"; | |
44 | my $configgrp = "${General::swroot}/fwhosts/customgroups"; | |
45 | my $configsrv = "${General::swroot}/fwhosts/customservices"; | |
46 | my $configsrvgrp = "${General::swroot}/fwhosts/customservicegrp"; | |
47 | my $configccdnet = "${General::swroot}/ovpn/ccd.conf"; | |
48 | my $configccdhost = "${General::swroot}/ovpn/ovpnconfig"; | |
49 | my $configipsec = "${General::swroot}/vpn/config"; | |
50 | my $configovpn = "${General::swroot}/ovpn/settings"; | |
51 | my $val; | |
52 | my $field; | |
fd169d0a | 53 | my $netsettings = "${General::swroot}/ethernet/settings"; |
2a81ab0d AM |
54 | |
55 | &General::readhash("/var/ipfire/ethernet/settings", \%netsettings); | |
56 | &General::readhash("${General::swroot}/ovpn/settings", \%ovpnsettings); | |
57 | &General::readhash("${General::swroot}/vpn/settings", \%ipsecsettings); | |
2a81ab0d AM |
58 | |
59 | &General::readhasharray("$confignet", \%customnetwork); | |
60 | &General::readhasharray("$confighost", \%customhost); | |
61 | &General::readhasharray("$configgrp", \%customgrp); | |
62 | &General::readhasharray("$configccdnet", \%ccdnet); | |
63 | &General::readhasharray("$configccdhost", \%ccdhost); | |
64 | &General::readhasharray("$configipsec", \%ipsecconf); | |
65 | &General::readhasharray("$configsrv", \%customservice); | |
66 | &General::readhasharray("$configsrvgrp", \%customservicegrp); | |
085a20ec | 67 | &General::get_aliases(\%aliases); |
2a81ab0d AM |
68 | |
69 | sub get_srv_prot | |
70 | { | |
71 | my $val=shift; | |
992394d5 | 72 | foreach my $key (sort {$a <=> $b} keys %customservice){ |
2a81ab0d AM |
73 | if($customservice{$key}[0] eq $val){ |
74 | if ($customservice{$key}[0] eq $val){ | |
75 | return $customservice{$key}[2]; | |
76 | } | |
77 | } | |
78 | } | |
79 | } | |
80 | sub get_srvgrp_prot | |
81 | { | |
82 | my $val=shift; | |
83 | my @ips=(); | |
84 | my $tcp; | |
85 | my $udp; | |
86 | my $icmp; | |
992394d5 | 87 | foreach my $key (sort {$a <=> $b} keys %customservicegrp){ |
2a81ab0d AM |
88 | if($customservicegrp{$key}[0] eq $val){ |
89 | if (&get_srv_prot($customservicegrp{$key}[2]) eq 'TCP'){ | |
90 | $tcp=1; | |
91 | }elsif(&get_srv_prot($customservicegrp{$key}[2]) eq 'UDP'){ | |
92 | $udp=1; | |
93 | }elsif(&get_srv_prot($customservicegrp{$key}[2]) eq 'ICMP'){ | |
94 | $icmp=1; | |
82b837cf AM |
95 | }else{ |
96 | #Protocols used in servicegroups | |
97 | push (@ips,$customservicegrp{$key}[2]); | |
98 | } | |
2a81ab0d AM |
99 | } |
100 | } | |
101 | if ($tcp eq '1'){push (@ips,'TCP');} | |
102 | if ($udp eq '1'){push (@ips,'UDP');} | |
103 | if ($icmp eq '1'){push (@ips,'ICMP');} | |
104 | my $back=join(",",@ips); | |
105 | return $back; | |
106 | ||
107 | } | |
2a81ab0d AM |
108 | sub get_srv_port |
109 | { | |
110 | my $val=shift; | |
111 | my $field=shift; | |
112 | my $prot=shift; | |
992394d5 | 113 | foreach my $key (sort {$a <=> $b} keys %customservice){ |
14bcb9a2 AM |
114 | if($customservice{$key}[0] eq $val && $customservice{$key}[2] eq $prot){ |
115 | return $customservice{$key}[$field]; | |
2a81ab0d AM |
116 | } |
117 | } | |
118 | } | |
119 | sub get_srvgrp_port | |
120 | { | |
121 | my $val=shift; | |
122 | my $prot=shift; | |
123 | my $back; | |
124 | my $value; | |
125 | my @ips=(); | |
992394d5 | 126 | foreach my $key (sort {$a <=> $b} keys %customservicegrp){ |
2a81ab0d AM |
127 | if($customservicegrp{$key}[0] eq $val){ |
128 | if ($prot ne 'ICMP'){ | |
129 | $value=&get_srv_port($customservicegrp{$key}[2],1,$prot); | |
130 | }elsif ($prot eq 'ICMP'){ | |
131 | $value=&get_srv_port($customservicegrp{$key}[2],3,$prot); | |
132 | } | |
133 | push (@ips,$value) if ($value ne '') ; | |
134 | } | |
135 | } | |
136 | if($prot ne 'ICMP'){ | |
137 | if ($#ips gt 0){$back="-m multiport --dports ";}else{$back="--dport ";} | |
138 | }elsif ($prot eq 'ICMP'){ | |
139 | $back="--icmp-type "; | |
140 | } | |
141 | ||
142 | $back.=join(",",@ips); | |
143 | return $back; | |
144 | } | |
145 | sub get_ipsec_net_ip | |
146 | { | |
147 | my $val=shift; | |
148 | my $field=shift; | |
992394d5 | 149 | foreach my $key (sort {$a <=> $b} keys %ipsecconf){ |
2a81ab0d AM |
150 | if($ipsecconf{$key}[1] eq $val){ |
151 | return $ipsecconf{$key}[$field]; | |
152 | } | |
153 | } | |
154 | } | |
155 | sub get_ipsec_host_ip | |
156 | { | |
157 | my $val=shift; | |
158 | my $field=shift; | |
992394d5 | 159 | foreach my $key (sort {$a <=> $b} keys %ipsecconf){ |
2a81ab0d AM |
160 | if($ipsecconf{$key}[1] eq $val){ |
161 | return $ipsecconf{$key}[$field]; | |
162 | } | |
163 | } | |
164 | } | |
165 | sub get_ovpn_n2n_ip | |
166 | { | |
167 | my $val=shift; | |
168 | my $field=shift; | |
992394d5 | 169 | foreach my $key (sort {$a <=> $b} keys %ccdhost){ |
2a81ab0d AM |
170 | if($ccdhost{$key}[1] eq $val){ |
171 | return $ccdhost{$key}[$field]; | |
172 | } | |
173 | } | |
174 | } | |
175 | sub get_ovpn_host_ip | |
176 | { | |
177 | my $val=shift; | |
178 | my $field=shift; | |
992394d5 | 179 | foreach my $key (sort {$a <=> $b} keys %ccdhost){ |
2a81ab0d AM |
180 | if($ccdhost{$key}[1] eq $val){ |
181 | return $ccdhost{$key}[$field]; | |
182 | } | |
183 | } | |
184 | } | |
185 | sub get_ovpn_net_ip | |
186 | { | |
187 | ||
188 | my $val=shift; | |
189 | my $field=shift; | |
992394d5 | 190 | foreach my $key (sort {$a <=> $b} keys %ccdnet){ |
2a81ab0d AM |
191 | if($ccdnet{$key}[0] eq $val){ |
192 | return $ccdnet{$key}[$field]; | |
193 | } | |
194 | } | |
195 | } | |
196 | sub get_grp_ip | |
197 | { | |
198 | my $val=shift; | |
199 | my $src=shift; | |
992394d5 | 200 | foreach my $key (sort {$a <=> $b} keys %customgrp){ |
2a81ab0d AM |
201 | if ($customgrp{$key}[0] eq $val){ |
202 | &get_address($customgrp{$key}[3],$src); | |
203 | } | |
204 | } | |
205 | ||
206 | } | |
207 | sub get_std_net_ip | |
208 | { | |
209 | my $val=shift; | |
ddcec9d3 | 210 | my $con=shift; |
2a81ab0d AM |
211 | if ($val eq 'ALL'){ |
212 | return "0.0.0.0/0.0.0.0"; | |
213 | }elsif($val eq 'GREEN'){ | |
214 | return "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}"; | |
215 | }elsif($val eq 'ORANGE'){ | |
216 | return "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"; | |
217 | }elsif($val eq 'BLUE'){ | |
218 | return "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"; | |
62fc8511 | 219 | }elsif($val eq 'RED'){ |
48f07c19 | 220 | return "0.0.0.0/0"; |
2a81ab0d AM |
221 | }elsif($val =~ /OpenVPN/i){ |
222 | return "$ovpnsettings{'DOVPN_SUBNET'}"; | |
223 | }elsif($val =~ /IPsec/i){ | |
224 | return "$ipsecsettings{'RW_NET'}"; | |
5d7faa45 AM |
225 | }elsif($val eq 'IPFire'){ |
226 | return ; | |
2a81ab0d AM |
227 | } |
228 | } | |
48f07c19 AM |
229 | sub get_interface |
230 | { | |
231 | my $net=shift; | |
232 | if($net eq "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}"){ | |
233 | return "$netsettings{'GREEN_DEV'}"; | |
234 | } | |
235 | if($net eq "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"){ | |
236 | return "$netsettings{'ORANGE_DEV'}"; | |
237 | } | |
238 | if($net eq "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"){ | |
239 | return "$netsettings{'BLUE_DEV'}"; | |
240 | } | |
a21f2f6a MT |
241 | if($net eq "0.0.0.0/0") { |
242 | return &get_external_interface(); | |
48f07c19 AM |
243 | } |
244 | return ""; | |
245 | } | |
2a81ab0d AM |
246 | sub get_net_ip |
247 | { | |
248 | my $val=shift; | |
992394d5 | 249 | foreach my $key (sort {$a <=> $b} keys %customnetwork){ |
2a81ab0d AM |
250 | if($customnetwork{$key}[0] eq $val){ |
251 | return "$customnetwork{$key}[1]/$customnetwork{$key}[2]"; | |
252 | } | |
253 | } | |
254 | } | |
255 | sub get_host_ip | |
256 | { | |
257 | my $val=shift; | |
258 | my $src=shift; | |
992394d5 | 259 | foreach my $key (sort {$a <=> $b} keys %customhost){ |
2a81ab0d AM |
260 | if($customhost{$key}[0] eq $val){ |
261 | if ($customhost{$key}[1] eq 'mac' && $src eq 'src'){ | |
262 | return "-m mac --mac-source $customhost{$key}[2]"; | |
263 | }elsif($customhost{$key}[1] eq 'ip' && $src eq 'src'){ | |
264 | return "$customhost{$key}[2]"; | |
265 | }elsif($customhost{$key}[1] eq 'ip' && $src eq 'tgt'){ | |
266 | return "$customhost{$key}[2]"; | |
267 | }elsif($customhost{$key}[1] eq 'mac' && $src eq 'tgt'){ | |
268 | return "none"; | |
269 | } | |
270 | } | |
271 | } | |
272 | } | |
fd169d0a AM |
273 | sub get_addresses |
274 | { | |
4e54e3c6 AM |
275 | my $hash = shift; |
276 | my $key = shift; | |
277 | my $type = shift; | |
278 | ||
279 | my @addresses = (); | |
280 | my $addr_type; | |
281 | my $value; | |
282 | my $group_name; | |
283 | ||
284 | if ($type eq "src") { | |
285 | $addr_type = $$hash{$key}[3]; | |
286 | $value = $$hash{$key}[4]; | |
287 | ||
288 | } elsif ($type eq "tgt") { | |
289 | $addr_type = $$hash{$key}[5]; | |
290 | $value = $$hash{$key}[6]; | |
291 | } | |
292 | ||
293 | if ($addr_type ~~ ["cust_grp_src", "cust_grp_tgt"]) { | |
294 | foreach my $grp (sort {$a <=> $b} keys %customgrp) { | |
295 | if ($customgrp{$grp}[0] eq $value) { | |
296 | my @address = &get_address($customgrp{$grp}[3], $customgrp{$grp}[2], $type); | |
297 | ||
298 | if (@address) { | |
299 | push(@addresses, @address); | |
300 | } | |
301 | } | |
302 | } | |
303 | } else { | |
304 | my @address = &get_address($addr_type, $value, $type); | |
305 | ||
306 | if (@address) { | |
307 | push(@addresses, @address); | |
308 | } | |
309 | } | |
310 | ||
311 | return @addresses; | |
312 | } | |
fd169d0a AM |
313 | sub get_address |
314 | { | |
4e54e3c6 AM |
315 | my $key = shift; |
316 | my $value = shift; | |
317 | my $type = shift; | |
318 | ||
319 | my @ret = (); | |
320 | ||
321 | # If the user manually typed an address, we just check if it is a MAC | |
322 | # address. Otherwise, we assume that it is an IP address. | |
323 | if ($key ~~ ["src_addr", "tgt_addr"]) { | |
324 | if (&General::validmac($value)) { | |
48f07c19 | 325 | push(@ret, ["-m mac --mac-source $value", ""]); |
4e54e3c6 | 326 | } else { |
48f07c19 | 327 | push(@ret, [$value, ""]); |
4e54e3c6 AM |
328 | } |
329 | ||
330 | # If a default network interface (GREEN, BLUE, etc.) is selected, we | |
331 | # try to get the corresponding address of the network. | |
332 | } elsif ($key ~~ ["std_net_src", "std_net_tgt", "Standard Network"]) { | |
333 | my $external_interface = &get_external_interface(); | |
334 | ||
335 | my $network_address = &get_std_net_ip($value, $external_interface); | |
48f07c19 | 336 | |
4e54e3c6 | 337 | if ($network_address) { |
48f07c19 AM |
338 | my $interface = &get_interface($network_address); |
339 | push(@ret, [$network_address, $interface]); | |
4e54e3c6 AM |
340 | } |
341 | ||
342 | # Custom networks. | |
343 | } elsif ($key ~~ ["cust_net_src", "cust_net_tgt", "Custom Network"]) { | |
344 | my $network_address = &get_net_ip($value); | |
345 | if ($network_address) { | |
48f07c19 | 346 | push(@ret, [$network_address, ""]); |
4e54e3c6 AM |
347 | } |
348 | ||
349 | # Custom hosts. | |
350 | } elsif ($key ~~ ["cust_host_src", "cust_host_tgt", "Custom Host"]) { | |
351 | my $host_address = &get_host_ip($value, $type); | |
352 | if ($host_address) { | |
48f07c19 | 353 | push(@ret, [$host_address, ""]); |
4e54e3c6 AM |
354 | } |
355 | ||
356 | # OpenVPN networks. | |
357 | } elsif ($key ~~ ["ovpn_net_src", "ovpn_net_tgt", "OpenVPN static network"]) { | |
358 | my $network_address = &get_ovpn_net_ip($value, 1); | |
359 | if ($network_address) { | |
48f07c19 | 360 | push(@ret, [$network_address, ""]); |
4e54e3c6 AM |
361 | } |
362 | ||
363 | # OpenVPN hosts. | |
364 | } elsif ($key ~~ ["ovpn_host_src", "ovpn_host_tgt", "OpenVPN static host"]) { | |
365 | my $host_address = &get_ovpn_host_ip($value, 33); | |
366 | if ($host_address) { | |
48f07c19 | 367 | push(@ret, [$host_address, ""]); |
4e54e3c6 AM |
368 | } |
369 | ||
370 | # OpenVPN N2N. | |
371 | } elsif ($key ~~ ["ovpn_n2n_src", "ovpn_n2n_tgt", "OpenVPN N-2-N"]) { | |
372 | my $network_address = &get_ovpn_n2n_ip($value, 11); | |
373 | if ($network_address) { | |
48f07c19 | 374 | push(@ret, [$network_address, ""]); |
4e54e3c6 AM |
375 | } |
376 | ||
377 | # IPsec networks. | |
378 | } elsif ($key ~~ ["ipsec_net_src", "ipsec_net_tgt", "IpSec Network"]) { | |
379 | my $network_address = &get_ipsec_net_ip($value, 11); | |
380 | if ($network_address) { | |
48f07c19 | 381 | push(@ret, [$network_address, ""]); |
4e54e3c6 AM |
382 | } |
383 | ||
384 | # The firewall's own IP addresses. | |
385 | } elsif ($key ~~ ["ipfire", "ipfire_src"]) { | |
386 | # ALL | |
387 | if ($value eq "ALL") { | |
48f07c19 | 388 | push(@ret, ["0/0", ""]); |
4e54e3c6 AM |
389 | |
390 | # GREEN | |
391 | } elsif ($value eq "GREEN") { | |
48f07c19 | 392 | push(@ret, [$netsettings{"GREEN_ADDRESS"}, ""]); |
4e54e3c6 AM |
393 | |
394 | # BLUE | |
395 | } elsif ($value eq "BLUE") { | |
48f07c19 | 396 | push(@ret, [$netsettings{"BLUE_ADDRESS"}, ""]); |
4e54e3c6 AM |
397 | |
398 | # ORANGE | |
399 | } elsif ($value eq "ORANGE") { | |
48f07c19 | 400 | push(@ret, [$netsettings{"ORANGE_ADDRESS"}, ""]); |
4e54e3c6 AM |
401 | |
402 | # RED | |
403 | } elsif ($value ~~ ["RED", "RED1"]) { | |
404 | my $address = &get_external_address(); | |
405 | if ($address) { | |
48f07c19 | 406 | push(@ret, [$address, ""]); |
4e54e3c6 AM |
407 | } |
408 | ||
409 | # Aliases | |
410 | } else { | |
085a20ec MT |
411 | my $alias = &get_alias($value); |
412 | if ($alias) { | |
48f07c19 | 413 | push(@ret, [$alias, ""]); |
4e54e3c6 AM |
414 | } |
415 | } | |
416 | ||
417 | # If nothing was selected, we assume "any". | |
418 | } else { | |
48f07c19 | 419 | push(@ret, ["0/0", ""]); |
4e54e3c6 AM |
420 | } |
421 | ||
422 | return @ret; | |
423 | } | |
fd169d0a AM |
424 | sub get_external_interface() |
425 | { | |
4e54e3c6 AM |
426 | open(IFACE, "/var/ipfire/red/iface") or return ""; |
427 | my $iface = <IFACE>; | |
428 | close(IFACE); | |
429 | ||
430 | return $iface; | |
431 | } | |
fd169d0a AM |
432 | sub get_external_address() |
433 | { | |
4e54e3c6 AM |
434 | open(ADDR, "/var/ipfire/red/local-ipaddress") or return ""; |
435 | my $address = <ADDR>; | |
436 | close(ADDR); | |
437 | ||
438 | return $address; | |
439 | } | |
fd169d0a AM |
440 | sub get_alias |
441 | { | |
4e54e3c6 AM |
442 | my $id = shift; |
443 | ||
444 | foreach my $alias (sort keys %aliases) { | |
445 | if ($id eq $alias) { | |
085a20ec | 446 | return $aliases{$alias}{"IPT"}; |
4e54e3c6 AM |
447 | } |
448 | } | |
449 | } | |
085a20ec MT |
450 | |
451 | sub get_nat_address { | |
4e54e3c6 AM |
452 | my $zone = shift; |
453 | my $source = shift; | |
454 | ||
455 | # Any static address of any zone. | |
456 | if ($zone eq "AUTO") { | |
fd169d0a | 457 | if ($source && ($source !~ m/mac/i )) { |
4e54e3c6 AM |
458 | my $firewall_ip = &get_internal_firewall_ip_address($source, 1); |
459 | if ($firewall_ip) { | |
460 | return $firewall_ip; | |
461 | } | |
462 | ||
463 | $firewall_ip = &get_matching_firewall_address($source, 1); | |
464 | if ($firewall_ip) { | |
465 | return $firewall_ip; | |
466 | } | |
467 | } | |
468 | ||
469 | return &get_external_address(); | |
470 | ||
471 | } elsif ($zone eq "RED" || $zone eq "GREEN" || $zone eq "ORANGE" || $zone eq "BLUE") { | |
c71499d8 | 472 | return $netsettings{$zone . "_ADDRESS"}; |
4e54e3c6 | 473 | |
085a20ec | 474 | } elsif ($zone ~~ ["Default IP", "ALL"]) { |
4e54e3c6 AM |
475 | return &get_external_address(); |
476 | ||
477 | } else { | |
085a20ec MT |
478 | my $alias = &get_alias($zone); |
479 | unless ($alias) { | |
480 | $alias = &get_external_address(); | |
481 | } | |
482 | return $alias; | |
4e54e3c6 AM |
483 | } |
484 | ||
485 | print_error("Could not find NAT address"); | |
486 | } | |
085a20ec | 487 | |
fd169d0a AM |
488 | sub get_internal_firewall_ip_addresses |
489 | { | |
4e54e3c6 AM |
490 | my $use_orange = shift; |
491 | ||
492 | my @zones = ("GREEN", "BLUE"); | |
493 | if ($use_orange) { | |
494 | push(@zones, "ORANGE"); | |
495 | } | |
496 | ||
497 | my @addresses = (); | |
498 | for my $zone (@zones) { | |
c71499d8 | 499 | next unless (exists $netsettings{$zone . "_ADDRESS"}); |
4e54e3c6 | 500 | |
c71499d8 | 501 | my $zone_address = $netsettings{$zone . "_ADDRESS"}; |
4e54e3c6 AM |
502 | push(@addresses, $zone_address); |
503 | } | |
504 | ||
505 | return @addresses; | |
506 | } | |
fd169d0a AM |
507 | sub get_matching_firewall_address |
508 | { | |
4e54e3c6 AM |
509 | my $addr = shift; |
510 | my $use_orange = shift; | |
511 | ||
512 | my ($address, $netmask) = split("/", $addr); | |
513 | ||
514 | my @zones = ("GREEN", "BLUE"); | |
515 | if ($use_orange) { | |
516 | push(@zones, "ORANGE"); | |
517 | } | |
518 | ||
519 | foreach my $zone (@zones) { | |
c71499d8 | 520 | next unless (exists $netsettings{$zone . "_ADDRESS"}); |
4e54e3c6 | 521 | |
c71499d8 AM |
522 | my $zone_subnet = $netsettings{$zone . "_NETADDRESS"}; |
523 | my $zone_mask = $netsettings{$zone . "_NETMASK"}; | |
4e54e3c6 AM |
524 | |
525 | if (&General::IpInSubnet($address, $zone_subnet, $zone_mask)) { | |
c71499d8 | 526 | return $netsettings{$zone . "_ADDRESS"}; |
4e54e3c6 AM |
527 | } |
528 | } | |
529 | ||
530 | return 0; | |
531 | } | |
fd169d0a AM |
532 | sub get_internal_firewall_ip_address |
533 | { | |
4e54e3c6 AM |
534 | my $subnet = shift; |
535 | my $use_orange = shift; | |
536 | ||
537 | my ($net_address, $net_mask) = split("/", $subnet); | |
538 | if ((!$net_mask) || ($net_mask ~~ ["32", "255.255.255.255"])) { | |
539 | return 0; | |
540 | } | |
541 | ||
aa5f4b65 MT |
542 | # Convert net mask into correct format for &General::IpInSubnet(). |
543 | $net_mask = &General::iporsubtodec($net_mask); | |
544 | ||
4e54e3c6 AM |
545 | my @addresses = &get_internal_firewall_ip_addresses($use_orange); |
546 | foreach my $zone_address (@addresses) { | |
547 | if (&General::IpInSubnet($zone_address, $net_address, $net_mask)) { | |
548 | return $zone_address; | |
549 | } | |
550 | } | |
551 | ||
552 | return 0; | |
553 | } | |
554 | ||
2a81ab0d | 555 | return 1; |