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ac1cfefa MT |
1 | # SmoothWall CGIs |
2 | # | |
3 | # This code is distributed under the terms of the GPL | |
4 | # | |
5 | # (c) The SmoothWall Team | |
6 | # Copyright (C) 2002 Alex Hudson - getcgihash() rewrite | |
7 | # Copyright (C) 2002 Bob Grant <bob@cache.ucr.edu> - validmac() | |
8 | # Copyright (c) 2002/04/13 Steve Bootes - add alias section, helper functions | |
9 | # Copyright (c) 2002/08/23 Mark Wormgoor <mark@wormgoor.com> validfqdn() | |
10 | # Copyright (c) 2003/09/11 Darren Critchley <darrenc@telus.net> srtarray() | |
11 | # | |
12 | # $Id: general-functions.pl,v 1.1.2.26 2006/01/04 16:33:55 franck78 Exp $ | |
13 | # | |
14 | ||
15 | package General; | |
16 | ||
17 | use strict; | |
18 | use Socket; | |
19 | use IO::Socket; | |
b013822b | 20 | use Locale::Codes::Country; |
c545beb1 | 21 | use Net::SSLeay; |
8c877a82 | 22 | use Net::IPv4Addr qw(:all); |
ac1cfefa MT |
23 | $|=1; # line buffering |
24 | ||
776a1761 MT |
25 | $General::version = 'VERSION'; |
26 | $General::swroot = 'CONFIG_ROOT'; | |
ac1cfefa | 27 | $General::noipprefix = 'noipg-'; |
c545beb1 | 28 | $General::adminmanualurl = 'http://wiki.ipfire.org'; |
ac1cfefa | 29 | |
4e9a2b57 MT |
30 | require "${General::swroot}/network-functions.pl"; |
31 | ||
c545beb1 MT |
32 | # |
33 | # log ("message") use default 'ipcop' tag | |
34 | # log ("tag","message") use your tag | |
35 | # | |
ac1cfefa MT |
36 | sub log |
37 | { | |
c545beb1 MT |
38 | my $tag='ipfire'; |
39 | $tag = shift if (@_>1); | |
ac1cfefa MT |
40 | my $logmessage = $_[0]; |
41 | $logmessage =~ /([\w\W]*)/; | |
42 | $logmessage = $1; | |
77007ce5 | 43 | system('logger', '-t', $tag, $logmessage); |
ac1cfefa | 44 | } |
111c99dd MT |
45 | sub setup_default_networks |
46 | { | |
47 | my %netsettings=(); | |
48 | my $defaultNetworks = shift; | |
49 | ||
50 | &readhash("/var/ipfire/ethernet/settings", \%netsettings); | |
51 | ||
52 | # Get current defined networks (Red, Green, Blue, Orange) | |
53 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'IPT'} = "0.0.0.0/0.0.0.0"; | |
54 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'NAME'} = "ALL"; | |
55 | ||
56 | $defaultNetworks->{$Lang::tr{'green'}}{'IPT'} = "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}"; | |
68f6312a | 57 | $defaultNetworks->{$Lang::tr{'green'}}{'NET'} = "$netsettings{'GREEN_ADDRESS'}"; |
111c99dd MT |
58 | $defaultNetworks->{$Lang::tr{'green'}}{'NAME'} = "GREEN"; |
59 | ||
b9648e58 | 60 | if ($netsettings{'RED_DEV'} ne ''){ |
223d3b1d | 61 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'IPT'} = "$netsettings{'RED_NETADDRESS'}/$netsettings{'RED_NETMASK'}"; |
68f6312a | 62 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NET'} = "$netsettings{'RED_ADDRESS'}"; |
223d3b1d | 63 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NAME'} = "RED"; |
b9648e58 | 64 | } |
111c99dd MT |
65 | if ($netsettings{'ORANGE_DEV'} ne ''){ |
66 | $defaultNetworks->{$Lang::tr{'orange'}}{'IPT'} = "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"; | |
68f6312a | 67 | $defaultNetworks->{$Lang::tr{'orange'}}{'NET'} = "$netsettings{'ORANGE_ADDRESS'}"; |
111c99dd MT |
68 | $defaultNetworks->{$Lang::tr{'orange'}}{'NAME'} = "ORANGE"; |
69 | } | |
70 | ||
71 | if ($netsettings{'BLUE_DEV'} ne ''){ | |
72 | $defaultNetworks->{$Lang::tr{'blue'}}{'IPT'} = "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"; | |
68f6312a | 73 | $defaultNetworks->{$Lang::tr{'blue'}}{'NET'} = "$netsettings{'BLUE_ADDRESS'}"; |
111c99dd MT |
74 | $defaultNetworks->{$Lang::tr{'blue'}}{'NAME'} = "BLUE"; |
75 | } | |
c7043621 AM |
76 | |
77 | #IPFire himself | |
78 | $defaultNetworks->{'IPFire'}{'NAME'} = "IPFire"; | |
111c99dd MT |
79 | |
80 | # OpenVPN | |
81 | if(-e "${General::swroot}/ovpn/settings") | |
82 | { | |
83 | my %ovpnSettings = (); | |
84 | &readhash("${General::swroot}/ovpn/settings", \%ovpnSettings); | |
85 | ||
86 | # OpenVPN on Red? | |
87 | if(defined($ovpnSettings{'DOVPN_SUBNET'})) | |
88 | { | |
89 | my ($ip,$sub) = split(/\//,$ovpnSettings{'DOVPN_SUBNET'}); | |
90 | $sub=&General::iporsubtocidr($sub); | |
91 | my @tempovpnsubnet = split("\/", $ovpnSettings{'DOVPN_SUBNET'}); | |
1a8fde0e AM |
92 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'ADR'} = $tempovpnsubnet[0]; |
93 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'NAME'} = "OpenVPN-Dyn"; | |
111c99dd MT |
94 | } |
95 | } # end OpenVPN | |
96 | # IPsec RW NET | |
97 | if(-e "${General::swroot}/vpn/settings") | |
98 | { | |
99 | my %ipsecsettings = (); | |
100 | &readhash("${General::swroot}/vpn/settings", \%ipsecsettings); | |
101 | if($ipsecsettings{'RW_NET'} ne '') | |
102 | { | |
103 | my ($ip,$sub) = split(/\//,$ipsecsettings{'RW_NET'}); | |
104 | $sub=&General::iporsubtocidr($sub); | |
105 | my @tempipsecsubnet = split("\/", $ipsecsettings{'RW_NET'}); | |
6ee90535 AM |
106 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'ADR'} = $tempipsecsubnet[0]; |
107 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NAME'} = "IPsec RW"; | |
108 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NET'} = &getnextip($ip); | |
111c99dd MT |
109 | } |
110 | } | |
111c99dd MT |
111 | } |
112 | sub get_aliases | |
113 | { | |
114 | ||
115 | my $defaultNetworks = shift; | |
116 | open(FILE, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.'; | |
117 | my @current = <FILE>; | |
118 | close(FILE); | |
119 | my $ctr = 0; | |
120 | foreach my $line (@current) | |
121 | { | |
122 | if ($line ne ''){ | |
123 | chomp($line); | |
124 | my @temp = split(/\,/,$line); | |
125 | if ($temp[2] eq '') { | |
126 | $temp[2] = "Alias $ctr : $temp[0]"; | |
127 | } | |
128 | $defaultNetworks->{$temp[2]}{'IPT'} = "$temp[0]"; | |
68f6312a | 129 | $defaultNetworks->{$temp[2]}{'NET'} = "$temp[0]"; |
111c99dd MT |
130 | |
131 | $ctr++; | |
132 | } | |
133 | } | |
134 | } | |
ac1cfefa MT |
135 | |
136 | sub readhash | |
137 | { | |
138 | my $filename = $_[0]; | |
139 | my $hash = $_[1]; | |
140 | my ($var, $val); | |
141 | ||
142 | ||
143 | # Some ipcop code expects that readhash 'complete' the hash if new entries | |
144 | # are presents. Not clear it !!! | |
145 | #%$hash = (); | |
146 | ||
147 | open(FILE, $filename) or die "Unable to read file $filename"; | |
148 | ||
149 | while (<FILE>) | |
150 | { | |
151 | chop; | |
152 | ($var, $val) = split /=/, $_, 2; | |
153 | if ($var) | |
154 | { | |
155 | $val =~ s/^\'//g; | |
156 | $val =~ s/\'$//g; | |
157 | ||
158 | # Untaint variables read from hash | |
77007ce5 MT |
159 | # trim space from begin and end |
160 | $var =~ s/^\s+//; | |
161 | $var =~ s/\s+$//; | |
162 | $var =~ /([A-Za-z0-9_-]*)/; | |
163 | $var = $1; | |
164 | $val =~ /([\w\W]*)/; | |
165 | $val = $1; | |
ac1cfefa MT |
166 | $hash->{$var} = $val; |
167 | } | |
168 | } | |
169 | close FILE; | |
170 | } | |
171 | ||
172 | ||
173 | sub writehash | |
174 | { | |
175 | my $filename = $_[0]; | |
176 | my $hash = $_[1]; | |
177 | my ($var, $val); | |
178 | ||
179 | # write cgi vars to the file. | |
180 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
181 | flock FILE, 2; | |
182 | foreach $var (keys %$hash) | |
183 | { | |
ad60e3ea | 184 | if ( $var eq "__CGI__"){next;} |
ac1cfefa MT |
185 | $val = $hash->{$var}; |
186 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
187 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
188 | # some serious grief! This skips the variable.x and variable.y | |
189 | if (!($var =~ /(.x|.y)$/)) { | |
190 | if ($val =~ / /) { | |
191 | $val = "\'$val\'"; } | |
192 | if (!($var =~ /^ACTION/)) { | |
193 | print FILE "${var}=${val}\n"; } | |
194 | } | |
195 | } | |
196 | close FILE; | |
197 | } | |
198 | ||
90c2e164 CS |
199 | sub writehashpart |
200 | { | |
201 | # This function replaces the given hash in the original hash by keeping the old | |
202 | # content and just replacing the new content | |
203 | ||
204 | my $filename = $_[0]; | |
205 | my $newhash = $_[1]; | |
206 | my %oldhash; | |
207 | my ($var, $val); | |
208 | ||
209 | readhash("${filename}", \%oldhash); | |
210 | ||
211 | foreach $var (keys %$newhash){ | |
212 | $oldhash{$var}=$newhash->{$var}; | |
213 | } | |
214 | ||
215 | # write cgi vars to the file. | |
216 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
217 | flock FILE, 2; | |
218 | foreach $var (keys %oldhash) | |
219 | { | |
220 | if ( $var eq "__CGI__"){next;} | |
221 | $val = $oldhash{$var}; | |
222 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
223 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
224 | # some serious grief! This skips the variable.x and variable.y | |
225 | if (!($var =~ /(.x|.y)$/)) { | |
226 | if ($val =~ / /) { | |
227 | $val = "\'$val\'"; } | |
228 | if (!($var =~ /^ACTION/)) { | |
229 | print FILE "${var}=${val}\n"; } | |
230 | } | |
231 | } | |
232 | close FILE; | |
233 | } | |
ac1cfefa | 234 | |
1dc44471 | 235 | sub age { |
ac1cfefa | 236 | my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, |
1dc44471 MT |
237 | $atime, $mtime, $ctime, $blksize, $blocks) = stat $_[0]; |
238 | my $totalsecs = time() - $mtime; | |
239 | my @s = (); | |
ac1cfefa | 240 | |
ac1cfefa | 241 | my $secs = $totalsecs % 60; |
1dc44471 MT |
242 | $totalsecs /= 60; |
243 | if ($secs > 0) { | |
244 | push(@s, "${secs}s"); | |
3687a2e2 JIW |
245 | } |
246 | ||
1dc44471 MT |
247 | my $min = $totalsecs % 60; |
248 | $totalsecs /= 60; | |
249 | if ($min > 0) { | |
250 | push(@s, "${min}m"); | |
3687a2e2 JIW |
251 | } |
252 | ||
1dc44471 MT |
253 | my $hrs = $totalsecs % 24; |
254 | $totalsecs /= 24; | |
255 | if ($hrs > 0) { | |
256 | push(@s, "${hrs}h"); | |
3687a2e2 JIW |
257 | } |
258 | ||
1dc44471 MT |
259 | my $days = int($totalsecs); |
260 | if ($days > 0) { | |
261 | push(@s, "${days}d"); | |
3687a2e2 | 262 | } |
3687a2e2 | 263 | |
1dc44471 | 264 | return join(" ", reverse(@s)); |
ac1cfefa MT |
265 | } |
266 | ||
267 | sub validip | |
268 | { | |
269 | my $ip = $_[0]; | |
270 | ||
271 | if (!($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)) { | |
272 | return 0; } | |
273 | else | |
274 | { | |
275 | my @octets = ($1, $2, $3, $4); | |
276 | foreach $_ (@octets) | |
277 | { | |
278 | if (/^0./) { | |
279 | return 0; } | |
280 | if ($_ < 0 || $_ > 255) { | |
281 | return 0; } | |
282 | } | |
283 | return 1; | |
284 | } | |
285 | } | |
286 | ||
4e9a2b57 MT |
287 | sub validmask { |
288 | my $mask = shift; | |
ac1cfefa | 289 | |
c1420324 | 290 | return &Network::check_netmask($mask) || &Network::check_prefix($mask); |
ac1cfefa MT |
291 | } |
292 | ||
293 | sub validipormask | |
294 | { | |
295 | my $ipormask = $_[0]; | |
296 | ||
297 | # see if it is a IP only. | |
298 | if (&validip($ipormask)) { | |
299 | return 1; } | |
300 | # split it into number and mask. | |
301 | if (!($ipormask =~ /^(.*?)\/(.*?)$/)) { | |
302 | return 0; } | |
303 | my $ip = $1; | |
304 | my $mask = $2; | |
305 | # first part not a ip? | |
306 | if (!(&validip($ip))) { | |
307 | return 0; } | |
308 | return &validmask($mask); | |
309 | } | |
310 | ||
4e9a2b57 MT |
311 | sub subtocidr { |
312 | return &Network::convert_netmask2prefix(shift); | |
8c877a82 | 313 | } |
ac1cfefa | 314 | |
4e9a2b57 MT |
315 | sub cidrtosub { |
316 | return &Network::convert_prefix2netmask(shift); | |
8c877a82 AM |
317 | } |
318 | ||
319 | sub iporsubtodec | |
320 | { | |
321 | #Gets: Ip address or subnetmask in decimal oder CIDR | |
322 | #Gives: What it gets only in CIDR format | |
323 | my $subnet=$_[0]; | |
324 | my $net; | |
325 | my $mask; | |
326 | my $full=0; | |
327 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
328 | ($net,$mask) = split (/\//,$subnet); | |
329 | $full=1; | |
330 | return "$subnet"; | |
331 | }else{ | |
332 | $mask=$subnet; | |
333 | } | |
334 | #Subnet already in decimal and valid? | |
335 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 336 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
337 | if (&General::cidrtosub($i) eq $mask){ |
338 | if ($full == 0){return $mask;}else{ | |
339 | return $net."/".$mask; | |
340 | } | |
341 | } | |
342 | } | |
343 | } | |
344 | #Subnet in binary format? | |
7490b22e | 345 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
346 | if($full == 0){ return &General::cidrtosub($mask);}else{ |
347 | return $net."/".&General::cidrtosub($mask); | |
348 | } | |
349 | }else{ | |
350 | return 3; | |
351 | } | |
352 | return 3; | |
353 | } | |
354 | ||
355 | ||
356 | sub iporsubtocidr | |
357 | { | |
358 | #gets: Ip Address or subnetmask in decimal oder CIDR | |
359 | #Gives: What it gets only in CIDR format | |
360 | my $subnet=$_[0]; | |
361 | my $net; | |
362 | my $mask; | |
363 | my $full=0; | |
364 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
365 | ($net,$mask) = split (/\//,$subnet); | |
366 | $full=1; | |
367 | }else{ | |
368 | $mask=$subnet; | |
369 | } | |
370 | #Subnet in decimal and valid? | |
371 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 372 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
373 | if (&General::cidrtosub($i) eq $mask){ |
374 | if ($full == 0){return &General::subtocidr($mask);}else{ | |
375 | return $net."/".&General::subtocidr($mask); | |
376 | } | |
377 | } | |
378 | } | |
379 | } | |
380 | #Subnet already in binary format? | |
7490b22e | 381 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
382 | if($full == 0){ return $mask;}else{ |
383 | return $net."/".$mask; | |
384 | } | |
385 | }else{ | |
386 | return 3; | |
387 | } | |
388 | return 3; | |
389 | } | |
390 | ||
4e9a2b57 | 391 | sub getnetworkip { |
da05e076 | 392 | my $arg = join("/", @_); |
6a2a62cf MT |
393 | |
394 | return &Network::get_netaddress($arg); | |
8c877a82 AM |
395 | } |
396 | ||
397 | sub getccdbc | |
398 | { | |
399 | #Gets: IP in Form ("192.168.0.0/24") | |
400 | #Gives: Broadcastaddress of network | |
401 | my $ccdnet=$_; | |
402 | my ($ccdip,$ccdsubnet) = split "/",$ccdnet; | |
403 | my $ip_address_binary = inet_aton( $ccdip ); | |
404 | my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1); | |
405 | my $broadcast_address = inet_ntoa( $ip_address_binary | ~$netmask_binary ); | |
406 | return $broadcast_address; | |
407 | } | |
e81be1e1 | 408 | |
4e9a2b57 MT |
409 | sub ip2dec { |
410 | return &Network::ip2bin(shift); | |
8c877a82 | 411 | } |
e81be1e1 | 412 | |
4e9a2b57 MT |
413 | sub dec2ip { |
414 | return &Network::bin2ip(shift); | |
415 | } | |
416 | ||
417 | sub getnextip { | |
418 | return &Network::find_next_ip_address(shift, 4); | |
419 | } | |
420 | ||
421 | sub getlastip { | |
422 | return &Network::find_next_ip_address(shift, -1); | |
8c877a82 AM |
423 | } |
424 | ||
425 | sub validipandmask | |
426 | { | |
427 | #Gets: Ip address in 192.168.0.0/24 or 192.168.0.0/255.255.255.0 and checks if subnet valid | |
428 | #Gives: True bzw 0 if success or false | |
429 | my $ccdnet=$_[0]; | |
430 | my $subcidr; | |
431 | ||
432 | if (!($ccdnet =~ /^(.*?)\/(.*?)$/)) { | |
433 | return 0; | |
434 | } | |
435 | my ($ccdip,$ccdsubnet)=split (/\//, $ccdnet); | |
436 | #IP valid? | |
437 | if ($ccdip=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1>0 && $1<=255 && $2>=0 && $2<=255 && $3>=0 && $3<=255 && $4<=255 ))) { | |
438 | #Subnet in decimal and valid? | |
439 | if ($ccdsubnet=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 440 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
441 | if (&General::cidrtosub($i) eq $ccdsubnet){ |
442 | return 1; | |
443 | } | |
7490b22e | 444 | } |
8c877a82 | 445 | #Subnet already in binary format? |
7490b22e | 446 | }elsif ($ccdsubnet=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
447 | return 1; |
448 | }else{ | |
449 | return 0; | |
450 | } | |
451 | ||
452 | } | |
453 | return 0; | |
ac1cfefa MT |
454 | } |
455 | ||
e2429e8d AM |
456 | sub checksubnets |
457 | { | |
4d81e0f3 AM |
458 | my %ccdconfhash=(); |
459 | my %ovpnconfhash=(); | |
460 | my %vpnconf=(); | |
461 | my %ipsecconf=(); | |
462 | my %ownnet=(); | |
463 | my %ovpnconf=(); | |
464 | my @ccdconf=(); | |
465 | my $ccdname=$_[0]; | |
466 | my $ccdnet=$_[1]; | |
467 | my $ownnet=$_[2]; | |
e2429e8d AM |
468 | my $errormessage; |
469 | my ($ip,$cidr)=split(/\//,$ccdnet); | |
470 | $cidr=&iporsubtocidr($cidr); | |
4d81e0f3 | 471 | |
e2429e8d | 472 | #get OVPN-Subnet (dynamic range) |
e2429e8d AM |
473 | &readhash("${General::swroot}/ovpn/settings", \%ovpnconf); |
474 | my ($ovpnip,$ovpncidr)= split (/\//,$ovpnconf{'DOVPN_SUBNET'}); | |
475 | $ovpncidr=&iporsubtocidr($ovpncidr); | |
4d81e0f3 | 476 | |
e2429e8d AM |
477 | #check if we try to use same network as ovpn server |
478 | if ("$ip/$cidr" eq "$ovpnip/$ovpncidr") { | |
479 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnnet'}."<br>"; | |
480 | return $errormessage; | |
481 | } | |
4d81e0f3 AM |
482 | |
483 | #check if we try to use same network as another ovpn N2N | |
484 | if($ownnet ne 'ovpn'){ | |
485 | &readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ovpnconfhash); | |
486 | foreach my $key (keys %ovpnconfhash) { | |
487 | if ($ovpnconfhash{$key}[3] eq 'net'){ | |
488 | my @ovpnnet=split (/\//,$ovpnconfhash{$key}[11]); | |
489 | if (&IpInSubnet($ip,$ovpnnet[0],&iporsubtodec($ovpnnet[1]))){ | |
490 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnn2n'}." $ovpnconfhash{$key}[1] <br>"; | |
491 | return $errormessage; | |
492 | } | |
493 | } | |
494 | } | |
495 | } | |
496 | ||
497 | #check if we use a network-name/subnet (static-ovpn) that already exists | |
e2429e8d AM |
498 | &readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash); |
499 | foreach my $key (keys %ccdconfhash) { | |
500 | @ccdconf=split(/\//,$ccdconfhash{$key}[1]); | |
501 | if ($ccdname eq $ccdconfhash{$key}[0]) | |
502 | { | |
503 | $errormessage=$errormessage.$Lang::tr{'ccd err nameexist'}."<br>"; | |
504 | return $errormessage; | |
505 | } | |
506 | my ($newip,$newsub) = split(/\//,$ccdnet); | |
507 | if (&IpInSubnet($newip,$ccdconf[0],&iporsubtodec($ccdconf[1]))) | |
508 | { | |
4d81e0f3 | 509 | $errormessage=$errormessage.$Lang::tr{'ccd err issubnet'}." $ccdconfhash{$key}[0]<br>"; |
e2429e8d AM |
510 | return $errormessage; |
511 | } | |
e2429e8d | 512 | } |
4d81e0f3 | 513 | |
e2429e8d | 514 | #check if we use a ipsec right network which is already defined |
4d81e0f3 AM |
515 | if($ownnet ne 'ipsec'){ |
516 | &General::readhasharray("${General::swroot}/vpn/config", \%ipsecconf); | |
517 | foreach my $key (keys %ipsecconf){ | |
518 | if ($ipsecconf{$key}[11] ne ''){ | |
519 | my ($ipsecip,$ipsecsub) = split (/\//, $ipsecconf{$key}[11]); | |
520 | $ipsecsub=&iporsubtodec($ipsecsub); | |
521 | if($ipsecconf{$key}[1] ne $ccdname){ | |
522 | if ( &IpInSubnet ($ip,$ipsecip,$ipsecsub) ){ | |
523 | $errormessage=$Lang::tr{'ccd err isipsecnet'}." Name: $ipsecconf{$key}[1]"; | |
524 | return $errormessage; | |
525 | } | |
f7e3d208 | 526 | } |
e2429e8d AM |
527 | } |
528 | } | |
529 | } | |
4d81e0f3 AM |
530 | |
531 | #check if we use the ipsec RW Network (if defined) | |
532 | &readhash("${General::swroot}/vpn/settings", \%vpnconf); | |
533 | if ($vpnconf{'RW_NET'} ne ''){ | |
534 | my ($ipsecrwnet,$ipsecrwsub)=split (/\//, $vpnconf{'RW_NET'}); | |
535 | if (&IpInSubnet($ip,$ipsecrwnet,&iporsubtodec($ipsecrwsub))) | |
536 | { | |
537 | $errormessage=$errormessage.$Lang::tr{'ccd err isipsecrw'}."<br>"; | |
538 | return $errormessage; | |
539 | } | |
540 | } | |
541 | ||
e2429e8d | 542 | #check if we use one of ipfire's networks (green,orange,blue) |
e2429e8d | 543 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); |
4d81e0f3 AM |
544 | if (($ownnet{'GREEN_NETADDRESS'} ne '' && $ownnet{'GREEN_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'GREEN_NETADDRESS'},&iporsubtodec($ownnet{'GREEN_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err green'};return $errormessage;} |
545 | if (($ownnet{'ORANGE_NETADDRESS'} ne '' && $ownnet{'ORANGE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'ORANGE_NETADDRESS'},&iporsubtodec($ownnet{'ORANGE_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err orange'};return $errormessage;} | |
546 | if (($ownnet{'BLUE_NETADDRESS'} ne '' && $ownnet{'BLUE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'BLUE_NETADDRESS'},&iporsubtodec($ownnet{'BLUE_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err blue'};return $errormessage;} | |
547 | if (($ownnet{'RED_NETADDRESS'} ne '' && $ownnet{'RED_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'RED_NETADDRESS'},&iporsubtodec($ownnet{'RED_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err red'};return $errormessage;} | |
e2429e8d AM |
548 | } |
549 | ||
29f238b2 AM |
550 | sub check_net_internal{ |
551 | my $network=shift; | |
552 | my ($ip,$cidr)=split(/\//,$network); | |
553 | my %ownnet=(); | |
554 | my $errormessage; | |
555 | $cidr=&iporsubtocidr($cidr); | |
556 | #check if we use one of ipfire's networks (green,orange,blue) | |
557 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); | |
558 | if (($ownnet{'GREEN_NETADDRESS'} ne '' && $ownnet{'GREEN_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'GREEN_NETADDRESS'},&iporsubtodec($ownnet{'GREEN_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err green'};return $errormessage;} | |
559 | if (($ownnet{'ORANGE_NETADDRESS'} ne '' && $ownnet{'ORANGE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'ORANGE_NETADDRESS'},&iporsubtodec($ownnet{'ORANGE_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err orange'};return $errormessage;} | |
560 | if (($ownnet{'BLUE_NETADDRESS'} ne '' && $ownnet{'BLUE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'BLUE_NETADDRESS'},&iporsubtodec($ownnet{'BLUE_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err blue'};return $errormessage;} | |
561 | if (($ownnet{'RED_NETADDRESS'} ne '' && $ownnet{'RED_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'RED_NETADDRESS'},&iporsubtodec($ownnet{'RED_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err red'};return $errormessage;} | |
562 | } | |
e2429e8d | 563 | |
ac1cfefa MT |
564 | sub validport |
565 | { | |
566 | $_ = $_[0]; | |
567 | ||
568 | if (!/^\d+$/) { | |
569 | return 0; } | |
570 | if (/^0./) { | |
571 | return 0; } | |
572 | if ($_ >= 1 && $_ <= 65535) { | |
573 | return 1; } | |
574 | return 0; | |
575 | } | |
576 | ||
d30ea451 CS |
577 | sub validproxyport |
578 | { | |
579 | $_ = $_[0]; | |
580 | ||
581 | if (!/^\d+$/) { | |
582 | return 0; } | |
583 | if (/^0./) { | |
584 | return 0; } | |
585 | if ($_ == 53 || $_ == 222 || $_ == 444 || $_ == 81 ) { | |
586 | return 0; } | |
587 | elsif ($_ >= 1 && $_ <= 65535) { | |
588 | return 1; } | |
589 | return 0; | |
590 | } | |
591 | ||
ac1cfefa MT |
592 | sub validmac |
593 | { | |
594 | my $checkmac = $_[0]; | |
595 | my $ot = '[0-9a-f]{2}'; # 2 Hex digits (one octet) | |
596 | if ($checkmac !~ /^$ot:$ot:$ot:$ot:$ot:$ot$/i) | |
597 | { | |
598 | return 0; | |
599 | } | |
600 | return 1; | |
601 | } | |
602 | ||
603 | sub validhostname | |
604 | { | |
605 | # Checks a hostname against RFC1035 | |
606 | my $hostname = $_[0]; | |
607 | ||
608 | # Each part should be at least two characters in length | |
609 | # but no more than 63 characters | |
610 | if (length ($hostname) < 1 || length ($hostname) > 63) { | |
611 | return 0;} | |
612 | # Only valid characters are a-z, A-Z, 0-9 and - | |
8c877a82 | 613 | if ($hostname !~ /^[a-zA-Z0-9-\s]*$/) { |
ac1cfefa MT |
614 | return 0;} |
615 | # First character can only be a letter or a digit | |
616 | if (substr ($hostname, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
617 | return 0;} | |
618 | # Last character can only be a letter or a digit | |
619 | if (substr ($hostname, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
620 | return 0;} | |
621 | return 1; | |
622 | } | |
623 | ||
624 | sub validdomainname | |
625 | { | |
626 | my $part; | |
627 | ||
628 | # Checks a domain name against RFC1035 | |
629 | my $domainname = $_[0]; | |
630 | my @parts = split (/\./, $domainname); # Split hostname at the '.' | |
631 | ||
632 | foreach $part (@parts) { | |
8ed77b03 AG |
633 | # Each part should be no more than 63 characters in length |
634 | if (length ($part) < 1 || length ($part) > 63) { | |
ac1cfefa MT |
635 | return 0;} |
636 | # Only valid characters are a-z, A-Z, 0-9 and - | |
637 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
638 | return 0;} | |
639 | # First character can only be a letter or a digit | |
640 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
641 | return 0;} | |
642 | # Last character can only be a letter or a digit | |
643 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
644 | return 0;} | |
645 | } | |
646 | return 1; | |
647 | } | |
648 | ||
649 | sub validfqdn | |
650 | { | |
651 | my $part; | |
652 | ||
653 | # Checks a fully qualified domain name against RFC1035 | |
654 | my $fqdn = $_[0]; | |
655 | my @parts = split (/\./, $fqdn); # Split hostname at the '.' | |
656 | if (scalar(@parts) < 2) { # At least two parts should | |
657 | return 0;} # exist in a FQDN | |
658 | # (i.e. hostname.domain) | |
659 | foreach $part (@parts) { | |
660 | # Each part should be at least one character in length | |
661 | # but no more than 63 characters | |
662 | if (length ($part) < 1 || length ($part) > 63) { | |
663 | return 0;} | |
664 | # Only valid characters are a-z, A-Z, 0-9 and - | |
665 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
666 | return 0;} | |
667 | # First character can only be a letter or a digit | |
668 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
669 | return 0;} | |
670 | # Last character can only be a letter or a digit | |
671 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
672 | return 0;} | |
673 | } | |
674 | return 1; | |
675 | } | |
676 | ||
677 | sub validportrange # used to check a port range | |
678 | { | |
679 | my $port = $_[0]; # port values | |
680 | $port =~ tr/-/:/; # replace all - with colons just in case someone used - | |
681 | my $srcdst = $_[1]; # is it a source or destination port | |
682 | ||
683 | if (!($port =~ /^(\d+)\:(\d+)$/)) { | |
684 | ||
685 | if (!(&validport($port))) { | |
686 | if ($srcdst eq 'src'){ | |
687 | return $Lang::tr{'source port numbers'}; | |
688 | } else { | |
689 | return $Lang::tr{'destination port numbers'}; | |
690 | } | |
691 | } | |
692 | } | |
693 | else | |
694 | { | |
695 | my @ports = ($1, $2); | |
696 | if ($1 >= $2){ | |
697 | if ($srcdst eq 'src'){ | |
698 | return $Lang::tr{'bad source range'}; | |
699 | } else { | |
700 | return $Lang::tr{'bad destination range'}; | |
701 | } | |
702 | } | |
703 | foreach $_ (@ports) | |
704 | { | |
705 | if (!(&validport($_))) { | |
706 | if ($srcdst eq 'src'){ | |
707 | return $Lang::tr{'source port numbers'}; | |
708 | } else { | |
709 | return $Lang::tr{'destination port numbers'}; | |
710 | } | |
711 | } | |
712 | } | |
713 | return; | |
714 | } | |
715 | } | |
716 | ||
4e9a2b57 | 717 | sub IpInSubnet { |
ab92dc0c AM |
718 | my $addr = shift; |
719 | my $network = shift; | |
720 | my $netmask = shift; | |
721 | ||
4e9a2b57 | 722 | return &Network::ip_address_in_network($addr, "$network/$netmask"); |
ac1cfefa MT |
723 | } |
724 | ||
c545beb1 MT |
725 | # |
726 | # Return the following IP (IP+1) in dotted notation. | |
727 | # Call: NextIP ('1.1.1.1'); | |
728 | # Return: '1.1.1.2' | |
729 | # | |
4e9a2b57 MT |
730 | sub NextIP { |
731 | return &Network::find_next_ip_address(shift, 1); | |
c545beb1 | 732 | } |
4e9a2b57 MT |
733 | |
734 | sub NextIP2 { | |
735 | return &Network::find_next_ip_address(shift, 4); | |
8c877a82 | 736 | } |
4e9a2b57 MT |
737 | |
738 | sub ipcidr { | |
45762fc6 AF |
739 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); |
740 | return "$ip\/$cidr"; | |
741 | } | |
742 | ||
4e9a2b57 | 743 | sub ipcidr2msk { |
54fd0535 MT |
744 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); |
745 | my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr); | |
746 | return "$ip\/$netmask"; | |
747 | } | |
748 | ||
ac1cfefa MT |
749 | sub validemail { |
750 | my $mail = shift; | |
751 | return 0 if ( $mail !~ /^[0-9a-zA-Z\.\-\_]+\@[0-9a-zA-Z\.\-]+$/ ); | |
752 | return 0 if ( $mail =~ /^[^0-9a-zA-Z]|[^0-9a-zA-Z]$/); | |
753 | return 0 if ( $mail !~ /([0-9a-zA-Z]{1})\@./ ); | |
754 | return 0 if ( $mail !~ /.\@([0-9a-zA-Z]{1})/ ); | |
755 | return 0 if ( $mail =~ /.\.\-.|.\-\..|.\.\..|.\-\-./g ); | |
756 | return 0 if ( $mail =~ /.\.\_.|.\-\_.|.\_\..|.\_\-.|.\_\_./g ); | |
757 | return 0 if ( $mail !~ /\.([a-zA-Z]{2,4})$/ ); | |
758 | return 1; | |
759 | } | |
760 | ||
c545beb1 MT |
761 | # |
762 | # Currently only vpnmain use this three procs (readhasharray, writehasharray, findhasharray) | |
763 | # The 'key' used is numeric but is perfectly unneeded! This will to be removed so don't use | |
764 | # this code. Vpnmain will be splitted in parts: x509/pki, connection ipsec, connection other,... . | |
765 | # | |
ac1cfefa MT |
766 | sub readhasharray { |
767 | my ($filename, $hash) = @_; | |
768 | %$hash = (); | |
769 | ||
770 | open(FILE, $filename) or die "Unable to read file $filename"; | |
771 | ||
772 | while (<FILE>) { | |
773 | my ($key, $rest, @temp); | |
774 | chomp; | |
775 | ($key, $rest) = split (/,/, $_, 2); | |
c545beb1 | 776 | if ($key =~ /^[0-9]+$/) { |
ac1cfefa MT |
777 | @temp = split (/,/, $rest); |
778 | $hash->{$key} = \@temp; | |
779 | } | |
780 | } | |
781 | close FILE; | |
782 | return; | |
783 | } | |
784 | ||
785 | sub writehasharray { | |
786 | my ($filename, $hash) = @_; | |
787 | my ($key, @temp, $i); | |
788 | ||
789 | open(FILE, ">$filename") or die "Unable to write to file $filename"; | |
790 | ||
791 | foreach $key (keys %$hash) { | |
8c877a82 AM |
792 | if ($key =~ /^[0-9]+$/) { |
793 | print FILE "$key"; | |
794 | foreach $i (0 .. $#{$hash->{$key}}) { | |
795 | print FILE ",$hash->{$key}[$i]"; | |
796 | } | |
797 | print FILE "\n"; | |
798 | } | |
ac1cfefa MT |
799 | } |
800 | close FILE; | |
801 | return; | |
802 | } | |
803 | ||
804 | sub findhasharraykey { | |
805 | foreach my $i (1 .. 1000000) { | |
806 | if ( ! exists $_[0]{$i}) { | |
807 | return $i; | |
808 | } | |
809 | } | |
810 | } | |
811 | ||
812 | sub srtarray | |
813 | # Darren Critchley - darrenc@telus.net - (c) 2003 | |
814 | # &srtarray(SortOrder, AlphaNumeric, SortDirection, ArrayToBeSorted) | |
815 | # This subroutine will take the following parameters: | |
816 | # ColumnNumber = the column which you want to sort on, starts at 1 | |
817 | # AlphaNumberic = a or n (lowercase) defines whether the sort should be alpha or numberic | |
818 | # SortDirection = asc or dsc (lowercase) Ascending or Descending sort | |
819 | # ArrayToBeSorted = the array that wants sorting | |
820 | # | |
821 | # Returns an array that is sorted to your specs | |
822 | # | |
823 | # If SortOrder is greater than the elements in array, then it defaults to the first element | |
824 | # | |
825 | { | |
826 | my ($colno, $alpnum, $srtdir, @tobesorted) = @_; | |
827 | my @tmparray; | |
828 | my @srtedarray; | |
829 | my $line; | |
830 | my $newline; | |
831 | my $ctr; | |
832 | my $ttlitems = scalar @tobesorted; # want to know the number of rows in the passed array | |
833 | if ($ttlitems < 1){ # if no items, don't waste our time lets leave | |
834 | return (@tobesorted); | |
835 | } | |
836 | my @tmp = split(/\,/,$tobesorted[0]); | |
837 | $ttlitems = scalar @tmp; # this should be the number of elements in each row of the passed in array | |
838 | ||
839 | # Darren Critchley - validate parameters | |
840 | if ($colno > $ttlitems){$colno = '1';} | |
841 | $colno--; # remove one from colno to deal with arrays starting at 0 | |
842 | if($colno < 0){$colno = '0';} | |
843 | if ($alpnum ne '') { $alpnum = lc($alpnum); } else { $alpnum = 'a'; } | |
844 | if ($srtdir ne '') { $srtdir = lc($srtdir); } else { $srtdir = 'src'; } | |
845 | ||
846 | foreach $line (@tobesorted) | |
847 | { | |
848 | chomp($line); | |
849 | if ($line ne '') { | |
850 | my @temp = split(/\,/,$line); | |
851 | # Darren Critchley - juggle the fields so that the one we want to sort on is first | |
852 | my $tmpholder = $temp[0]; | |
853 | $temp[0] = $temp[$colno]; | |
854 | $temp[$colno] = $tmpholder; | |
855 | $newline = ""; | |
856 | for ($ctr=0; $ctr < $ttlitems ; $ctr++) { | |
857 | $newline=$newline . $temp[$ctr] . ","; | |
858 | } | |
859 | chop($newline); | |
860 | push(@tmparray,$newline); | |
861 | } | |
862 | } | |
863 | if ($alpnum eq 'n') { | |
864 | @tmparray = sort {$a <=> $b} @tmparray; | |
865 | } else { | |
866 | @tmparray = (sort @tmparray); | |
867 | } | |
868 | foreach $line (@tmparray) | |
869 | { | |
870 | chomp($line); | |
871 | if ($line ne '') { | |
872 | my @temp = split(/\,/,$line); | |
873 | my $tmpholder = $temp[0]; | |
874 | $temp[0] = $temp[$colno]; | |
875 | $temp[$colno] = $tmpholder; | |
876 | $newline = ""; | |
877 | for ($ctr=0; $ctr < $ttlitems ; $ctr++){ | |
878 | $newline=$newline . $temp[$ctr] . ","; | |
879 | } | |
880 | chop($newline); | |
881 | push(@srtedarray,$newline); | |
882 | } | |
883 | } | |
884 | ||
885 | if ($srtdir eq 'dsc') { | |
886 | @tmparray = reverse(@srtedarray); | |
887 | return (@tmparray); | |
888 | } else { | |
889 | return (@srtedarray); | |
890 | } | |
891 | } | |
892 | ||
893 | sub FetchPublicIp { | |
894 | my %proxysettings; | |
895 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
896 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
897 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
898 | Net::SSLeay::set_proxy($peer,$peerport,$proxysettings{'UPSTREAM_USER'},$proxysettings{'UPSTREAM_PASSWORD'} ); | |
899 | } | |
b2f8244a | 900 | my $user_agent = &MakeUserAgent(); |
0aa0cdcd | 901 | my ($out, $response) = Net::SSLeay::get_http( 'checkip4.dns.lightningwirelabs.com', |
ac1cfefa MT |
902 | 80, |
903 | "/", | |
b2f8244a | 904 | Net::SSLeay::make_headers('User-Agent' => $user_agent ) |
ac1cfefa MT |
905 | ); |
906 | if ($response =~ m%HTTP/1\.. 200 OK%) { | |
5a2935b1 | 907 | $out =~ /Your IP address is: (\d+.\d+.\d+.\d+)/; |
ac1cfefa MT |
908 | return $1; |
909 | } | |
910 | return ''; | |
911 | } | |
912 | ||
913 | # | |
914 | # Check if hostname.domain provided have IP provided | |
915 | # use gethostbyname to verify that | |
916 | # Params: | |
917 | # IP | |
918 | # hostname | |
919 | # domain | |
920 | # Output | |
921 | # 1 IP matches host.domain | |
922 | # 0 not in sync | |
923 | # | |
924 | sub DyndnsServiceSync ($;$;$) { | |
925 | ||
926 | my ($ip,$hostName,$domain) = @_; | |
927 | my @addresses; | |
928 | ||
929 | #fix me no ip GROUP, what is the name ? | |
930 | $hostName =~ s/$General::noipprefix//; | |
931 | if ($hostName) { #may be empty | |
932 | $hostName = "$hostName.$domain"; | |
933 | @addresses = gethostbyname($hostName); | |
934 | } | |
935 | ||
936 | if ($addresses[0] eq '') { # nothing returned ? | |
937 | $hostName = $domain; # try resolving with domain only | |
938 | @addresses = gethostbyname($hostName); | |
939 | } | |
940 | ||
941 | if ($addresses[0] ne '') { # got something ? | |
942 | #&General::log("name:$addresses[0], alias:$addresses[1]"); | |
943 | # Build clear text list of IP | |
944 | @addresses = map ( &Socket::inet_ntoa($_), @addresses[4..$#addresses]); | |
945 | if (grep (/$ip/, @addresses)) { | |
946 | return 1; | |
947 | } | |
948 | } | |
949 | return 0; | |
950 | } | |
951 | # | |
952 | # This sub returns the red IP used to compare in DyndnsServiceSync | |
953 | # | |
954 | sub GetDyndnsRedIP { | |
955 | my %settings; | |
956 | &General::readhash("${General::swroot}/ddns/settings", \%settings); | |
957 | ||
958 | open(IP, "${General::swroot}/red/local-ipaddress") or return 'unavailable'; | |
959 | my $ip = <IP>; | |
960 | close(IP); | |
961 | chomp $ip; | |
962 | ||
057dbeeb | 963 | # 100.64.0.0/10 is reserved for dual-stack lite (http://tools.ietf.org/html/rfc6598). |
ac1cfefa MT |
964 | if (&General::IpInSubnet ($ip,'10.0.0.0','255.0.0.0') || |
965 | &General::IpInSubnet ($ip,'172.16.0.0.','255.240.0.0') || | |
057dbeeb MT |
966 | &General::IpInSubnet ($ip,'192.168.0.0','255.255.0.0') || |
967 | &General::IpInSubnet ($ip,'100.64.0.0', '255.192.0.0')) | |
ac1cfefa MT |
968 | { |
969 | if ($settings{'BEHINDROUTER'} eq 'FETCH_IP') { | |
970 | my $RealIP = &General::FetchPublicIp; | |
971 | $ip = (&General::validip ($RealIP) ? $RealIP : 'unavailable'); | |
972 | } | |
973 | } | |
974 | return $ip; | |
975 | } | |
c545beb1 MT |
976 | |
977 | # Translate ICMP code to text | |
978 | # ref: http://www.iana.org/assignments/icmp-parameters | |
979 | sub GetIcmpDescription ($) { | |
980 | my $index = shift; | |
981 | my @icmp_description = ( | |
982 | 'Echo Reply', #0 | |
983 | 'Unassigned', | |
984 | 'Unassigned', | |
985 | 'Destination Unreachable', | |
986 | 'Source Quench', | |
987 | 'Redirect', | |
988 | 'Alternate Host Address', | |
989 | 'Unassigned', | |
990 | 'Echo', | |
991 | 'Router Advertisement', | |
992 | 'Router Solicitation', #10 | |
993 | 'Time Exceeded', | |
994 | 'Parameter Problem', | |
995 | 'Timestamp', | |
996 | 'Timestamp Reply', | |
997 | 'Information Request', | |
998 | 'Information Reply', | |
999 | 'Address Mask Request', | |
1000 | 'Address Mask Reply', | |
1001 | 'Reserved (for Security)', | |
1002 | 'Reserved (for Robustness Experiment)', #20 | |
1003 | 'Reserved', | |
1004 | 'Reserved', | |
1005 | 'Reserved', | |
1006 | 'Reserved', | |
1007 | 'Reserved', | |
1008 | 'Reserved', | |
1009 | 'Reserved', | |
1010 | 'Reserved', | |
1011 | 'Reserved', | |
1012 | 'Traceroute', #30 | |
1013 | 'Datagram Conversion Error', | |
1014 | 'Mobile Host Redirect', | |
1015 | 'IPv6 Where-Are-You', | |
1016 | 'IPv6 I-Am-Here', | |
1017 | 'Mobile Registration Request', | |
1018 | 'Mobile Registration Reply', | |
1019 | 'Domain Name Request', | |
1020 | 'Domain Name Reply', | |
1021 | 'SKIP', | |
1022 | 'Photur', #40 | |
1023 | 'Experimental'); | |
a2b3eba9 | 1024 | if ($index>41) {return 'unknown'} else {return $icmp_description[$index]}; |
c545beb1 | 1025 | } |
b2f8244a MT |
1026 | |
1027 | sub GetCoreUpdateVersion() { | |
1028 | my $core_update; | |
1029 | ||
1030 | open(FILE, "/opt/pakfire/db/core/mine"); | |
1031 | while (<FILE>) { | |
1032 | $core_update = $_; | |
1033 | last; | |
1034 | } | |
1035 | close(FILE); | |
1036 | ||
1037 | return $core_update; | |
1038 | } | |
1039 | ||
1040 | sub MakeUserAgent() { | |
1041 | my $user_agent = "IPFire/$General::version"; | |
1042 | ||
1043 | my $core_update = &GetCoreUpdateVersion(); | |
1044 | if ($core_update ne "") { | |
1045 | $user_agent .= "/$core_update"; | |
1046 | } | |
1047 | ||
1048 | return $user_agent; | |
1049 | } | |
1050 | ||
61027579 MT |
1051 | sub RedIsWireless() { |
1052 | # This function checks if a network device is a wireless device. | |
1053 | ||
1054 | my %settings = (); | |
1055 | &readhash("${General::swroot}/ethernet/settings", \%settings); | |
1056 | ||
1057 | # Find the name of the network device. | |
1058 | my $device = $settings{'RED_DEV'}; | |
1059 | ||
1060 | # Exit, if no device is configured. | |
1061 | return 0 if ($device eq ""); | |
1062 | ||
1063 | # Return 1 if the device is a wireless one. | |
1064 | my $path = "/sys/class/net/$device/wireless"; | |
1065 | if (-d $path) { | |
1066 | return 1; | |
1067 | } | |
1068 | ||
1069 | # Otherwise return zero. | |
1070 | return 0; | |
1071 | } | |
1072 | ||
dfee7582 SS |
1073 | # Function to read a file with UTF-8 charset. |
1074 | sub read_file_utf8 ($) { | |
1075 | my ($file) = @_; | |
1076 | ||
1077 | open my $in, '<:encoding(UTF-8)', $file or die "Could not open '$file' for reading $!"; | |
1078 | local $/ = undef; | |
1079 | my $all = <$in>; | |
1080 | close $in; | |
1081 | ||
3e862ce4 | 1082 | return $all; |
dfee7582 SS |
1083 | } |
1084 | ||
1085 | # Function to write a file with UTF-8 charset. | |
1086 | sub write_file_utf8 ($) { | |
1087 | my ($file, $content) = @_; | |
1088 | ||
1089 | open my $out, '>:encoding(UTF-8)', $file or die "Could not open '$file' for writing $!";; | |
1090 | print $out $content; | |
1091 | close $out; | |
1092 | ||
1093 | return; | |
1094 | } | |
1095 | ||
6d8eb5de | 1096 | my $FIREWALL_RELOAD_INDICATOR = "${General::swroot}/firewall/reread"; |
0e430797 MT |
1097 | |
1098 | sub firewall_config_changed() { | |
1099 | open FILE, ">$FIREWALL_RELOAD_INDICATOR" or die "Could not open $FIREWALL_RELOAD_INDICATOR"; | |
1100 | close FILE; | |
1101 | } | |
1102 | ||
1103 | sub firewall_needs_reload() { | |
1104 | if (-e "$FIREWALL_RELOAD_INDICATOR") { | |
1105 | return 1; | |
1106 | } | |
1107 | ||
1108 | return 0; | |
1109 | } | |
1110 | ||
1111 | sub firewall_reload() { | |
8039a710 | 1112 | system("/usr/local/bin/firewallctrl"); |
0e430797 MT |
1113 | } |
1114 | ||
4cb523d4 SS |
1115 | # Function which will return the used interface for the red network zone (red0, ppp0, etc). |
1116 | sub get_red_interface() { | |
1117 | ||
1118 | open(IFACE, "${General::swroot}/red/iface") or die "Could not open /var/ipfire/red/iface"; | |
1119 | ||
1120 | my $interface = <IFACE>; | |
1121 | close(IFACE); | |
1122 | chomp $interface; | |
1123 | ||
1124 | return $interface; | |
1125 | } | |
1126 | ||
ac1cfefa | 1127 | 1; |