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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; | |
c545beb1 | 20 | use Net::SSLeay; |
8c877a82 | 21 | use Net::IPv4Addr qw(:all); |
ac1cfefa MT |
22 | $|=1; # line buffering |
23 | ||
776a1761 MT |
24 | $General::version = 'VERSION'; |
25 | $General::swroot = 'CONFIG_ROOT'; | |
ac1cfefa | 26 | $General::noipprefix = 'noipg-'; |
c545beb1 | 27 | $General::adminmanualurl = 'http://wiki.ipfire.org'; |
ac1cfefa | 28 | |
c545beb1 MT |
29 | # |
30 | # log ("message") use default 'ipcop' tag | |
31 | # log ("tag","message") use your tag | |
32 | # | |
ac1cfefa MT |
33 | sub log |
34 | { | |
c545beb1 MT |
35 | my $tag='ipfire'; |
36 | $tag = shift if (@_>1); | |
ac1cfefa MT |
37 | my $logmessage = $_[0]; |
38 | $logmessage =~ /([\w\W]*)/; | |
39 | $logmessage = $1; | |
77007ce5 | 40 | system('logger', '-t', $tag, $logmessage); |
ac1cfefa | 41 | } |
111c99dd MT |
42 | sub setup_default_networks |
43 | { | |
44 | my %netsettings=(); | |
45 | my $defaultNetworks = shift; | |
46 | ||
47 | &readhash("/var/ipfire/ethernet/settings", \%netsettings); | |
48 | ||
49 | # Get current defined networks (Red, Green, Blue, Orange) | |
50 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'IPT'} = "0.0.0.0/0.0.0.0"; | |
51 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'NAME'} = "ALL"; | |
52 | ||
53 | $defaultNetworks->{$Lang::tr{'green'}}{'IPT'} = "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}"; | |
68f6312a | 54 | $defaultNetworks->{$Lang::tr{'green'}}{'NET'} = "$netsettings{'GREEN_ADDRESS'}"; |
111c99dd MT |
55 | $defaultNetworks->{$Lang::tr{'green'}}{'NAME'} = "GREEN"; |
56 | ||
b9648e58 | 57 | if ($netsettings{'RED_DEV'} ne ''){ |
223d3b1d | 58 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'IPT'} = "$netsettings{'RED_NETADDRESS'}/$netsettings{'RED_NETMASK'}"; |
68f6312a | 59 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NET'} = "$netsettings{'RED_ADDRESS'}"; |
223d3b1d | 60 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NAME'} = "RED"; |
b9648e58 | 61 | } |
111c99dd MT |
62 | if ($netsettings{'ORANGE_DEV'} ne ''){ |
63 | $defaultNetworks->{$Lang::tr{'orange'}}{'IPT'} = "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"; | |
68f6312a | 64 | $defaultNetworks->{$Lang::tr{'orange'}}{'NET'} = "$netsettings{'ORANGE_ADDRESS'}"; |
111c99dd MT |
65 | $defaultNetworks->{$Lang::tr{'orange'}}{'NAME'} = "ORANGE"; |
66 | } | |
67 | ||
68 | if ($netsettings{'BLUE_DEV'} ne ''){ | |
69 | $defaultNetworks->{$Lang::tr{'blue'}}{'IPT'} = "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"; | |
68f6312a | 70 | $defaultNetworks->{$Lang::tr{'blue'}}{'NET'} = "$netsettings{'BLUE_ADDRESS'}"; |
111c99dd MT |
71 | $defaultNetworks->{$Lang::tr{'blue'}}{'NAME'} = "BLUE"; |
72 | } | |
c7043621 AM |
73 | |
74 | #IPFire himself | |
75 | $defaultNetworks->{'IPFire'}{'NAME'} = "IPFire"; | |
111c99dd MT |
76 | |
77 | # OpenVPN | |
78 | if(-e "${General::swroot}/ovpn/settings") | |
79 | { | |
80 | my %ovpnSettings = (); | |
81 | &readhash("${General::swroot}/ovpn/settings", \%ovpnSettings); | |
82 | ||
83 | # OpenVPN on Red? | |
84 | if(defined($ovpnSettings{'DOVPN_SUBNET'})) | |
85 | { | |
86 | my ($ip,$sub) = split(/\//,$ovpnSettings{'DOVPN_SUBNET'}); | |
87 | $sub=&General::iporsubtocidr($sub); | |
88 | my @tempovpnsubnet = split("\/", $ovpnSettings{'DOVPN_SUBNET'}); | |
1a8fde0e AM |
89 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'ADR'} = $tempovpnsubnet[0]; |
90 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'NAME'} = "OpenVPN-Dyn"; | |
111c99dd MT |
91 | } |
92 | } # end OpenVPN | |
93 | # IPsec RW NET | |
94 | if(-e "${General::swroot}/vpn/settings") | |
95 | { | |
96 | my %ipsecsettings = (); | |
97 | &readhash("${General::swroot}/vpn/settings", \%ipsecsettings); | |
98 | if($ipsecsettings{'RW_NET'} ne '') | |
99 | { | |
100 | my ($ip,$sub) = split(/\//,$ipsecsettings{'RW_NET'}); | |
101 | $sub=&General::iporsubtocidr($sub); | |
102 | my @tempipsecsubnet = split("\/", $ipsecsettings{'RW_NET'}); | |
6ee90535 AM |
103 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'ADR'} = $tempipsecsubnet[0]; |
104 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NAME'} = "IPsec RW"; | |
105 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NET'} = &getnextip($ip); | |
111c99dd MT |
106 | } |
107 | } | |
111c99dd MT |
108 | } |
109 | sub get_aliases | |
110 | { | |
111 | ||
112 | my $defaultNetworks = shift; | |
113 | open(FILE, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.'; | |
114 | my @current = <FILE>; | |
115 | close(FILE); | |
116 | my $ctr = 0; | |
117 | foreach my $line (@current) | |
118 | { | |
119 | if ($line ne ''){ | |
120 | chomp($line); | |
121 | my @temp = split(/\,/,$line); | |
122 | if ($temp[2] eq '') { | |
123 | $temp[2] = "Alias $ctr : $temp[0]"; | |
124 | } | |
125 | $defaultNetworks->{$temp[2]}{'IPT'} = "$temp[0]"; | |
68f6312a | 126 | $defaultNetworks->{$temp[2]}{'NET'} = "$temp[0]"; |
111c99dd MT |
127 | |
128 | $ctr++; | |
129 | } | |
130 | } | |
131 | } | |
ac1cfefa MT |
132 | |
133 | sub readhash | |
134 | { | |
135 | my $filename = $_[0]; | |
136 | my $hash = $_[1]; | |
137 | my ($var, $val); | |
138 | ||
139 | ||
140 | # Some ipcop code expects that readhash 'complete' the hash if new entries | |
141 | # are presents. Not clear it !!! | |
142 | #%$hash = (); | |
143 | ||
144 | open(FILE, $filename) or die "Unable to read file $filename"; | |
145 | ||
146 | while (<FILE>) | |
147 | { | |
148 | chop; | |
149 | ($var, $val) = split /=/, $_, 2; | |
150 | if ($var) | |
151 | { | |
152 | $val =~ s/^\'//g; | |
153 | $val =~ s/\'$//g; | |
154 | ||
155 | # Untaint variables read from hash | |
77007ce5 MT |
156 | # trim space from begin and end |
157 | $var =~ s/^\s+//; | |
158 | $var =~ s/\s+$//; | |
159 | $var =~ /([A-Za-z0-9_-]*)/; | |
160 | $var = $1; | |
161 | $val =~ /([\w\W]*)/; | |
162 | $val = $1; | |
ac1cfefa MT |
163 | $hash->{$var} = $val; |
164 | } | |
165 | } | |
166 | close FILE; | |
167 | } | |
168 | ||
169 | ||
170 | sub writehash | |
171 | { | |
172 | my $filename = $_[0]; | |
173 | my $hash = $_[1]; | |
174 | my ($var, $val); | |
175 | ||
176 | # write cgi vars to the file. | |
177 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
178 | flock FILE, 2; | |
179 | foreach $var (keys %$hash) | |
180 | { | |
ad60e3ea | 181 | if ( $var eq "__CGI__"){next;} |
ac1cfefa MT |
182 | $val = $hash->{$var}; |
183 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
184 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
185 | # some serious grief! This skips the variable.x and variable.y | |
186 | if (!($var =~ /(.x|.y)$/)) { | |
187 | if ($val =~ / /) { | |
188 | $val = "\'$val\'"; } | |
189 | if (!($var =~ /^ACTION/)) { | |
190 | print FILE "${var}=${val}\n"; } | |
191 | } | |
192 | } | |
193 | close FILE; | |
194 | } | |
195 | ||
90c2e164 CS |
196 | sub writehashpart |
197 | { | |
198 | # This function replaces the given hash in the original hash by keeping the old | |
199 | # content and just replacing the new content | |
200 | ||
201 | my $filename = $_[0]; | |
202 | my $newhash = $_[1]; | |
203 | my %oldhash; | |
204 | my ($var, $val); | |
205 | ||
206 | readhash("${filename}", \%oldhash); | |
207 | ||
208 | foreach $var (keys %$newhash){ | |
209 | $oldhash{$var}=$newhash->{$var}; | |
210 | } | |
211 | ||
212 | # write cgi vars to the file. | |
213 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
214 | flock FILE, 2; | |
215 | foreach $var (keys %oldhash) | |
216 | { | |
217 | if ( $var eq "__CGI__"){next;} | |
218 | $val = $oldhash{$var}; | |
219 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
220 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
221 | # some serious grief! This skips the variable.x and variable.y | |
222 | if (!($var =~ /(.x|.y)$/)) { | |
223 | if ($val =~ / /) { | |
224 | $val = "\'$val\'"; } | |
225 | if (!($var =~ /^ACTION/)) { | |
226 | print FILE "${var}=${val}\n"; } | |
227 | } | |
228 | } | |
229 | close FILE; | |
230 | } | |
ac1cfefa MT |
231 | |
232 | sub age | |
233 | { | |
234 | my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, | |
235 | $atime, $mtime, $ctime, $blksize, $blocks) = stat $_[0]; | |
236 | my $now = time; | |
3687a2e2 JIW |
237 | my $timestring = ''; |
238 | my $dset = 0; # Day is set, when > 0 | |
239 | my $hset = 0; # Hour is set, when > 0 | |
240 | my $mset = 0; # Minute is set, when > 0 | |
ac1cfefa MT |
241 | |
242 | my $totalsecs = $now - $mtime; | |
243 | my $days = int($totalsecs / 86400); | |
244 | my $totalhours = int($totalsecs / 3600); | |
245 | my $hours = $totalhours % 24; | |
246 | my $totalmins = int($totalsecs / 60); | |
247 | my $mins = $totalmins % 60; | |
248 | my $secs = $totalsecs % 60; | |
249 | ||
3687a2e2 JIW |
250 | if ($days > 1) { |
251 | ${timestring} .= ${days}.' '.$Lang::tr{'days'}.', '; | |
252 | $dset = 1; | |
253 | } | |
254 | elsif ($days == 1) { | |
255 | ${timestring} .= ${days}.' '.$Lang::tr{'day'}.', '; | |
256 | $dset = 1; | |
257 | } | |
258 | ||
259 | if (($hours > 1) && !($dset)) { | |
260 | ${timestring} .= ${hours}.' '.$Lang::tr{'hours'}.', '; | |
261 | $hset = 1; | |
262 | } | |
263 | elsif (($hours == 1) && !($dset)) { | |
264 | ${timestring} .= ${hours}.' '.$Lang::tr{'hour'}.', '; | |
265 | $hset = 1; | |
266 | } | |
267 | elsif ($dset) { | |
268 | ${timestring} .= ${hours}.' '.$Lang::tr{'age shour'}.', '; | |
269 | $hset = 1; | |
270 | } | |
271 | ||
272 | if ((($mins > 1) || ($mins == 0)) && !($dset || $hset)) { | |
273 | ${timestring} .= ${mins}.' '.$Lang::tr{'minutes'}.', '; | |
274 | $mset = 1; | |
275 | } | |
276 | elsif (($mins == 1) && !($dset || $hset)) { | |
277 | ${timestring} .= ${mins}.' '.$Lang::tr{'minute'}.', '; | |
278 | $mset = 1; | |
279 | } | |
280 | else { | |
281 | ${timestring} .= ${mins}.' '.$Lang::tr{'age sminute'}.', '; | |
282 | $mset = 1; | |
283 | } | |
284 | ||
285 | if ((($secs > 1) || ($secs == 0)) && !($dset || $hset || $mset)) { | |
286 | ${timestring} .= ${secs}.' '.$Lang::tr{'age seconds'}; | |
287 | } | |
288 | elsif (($secs == 1) && !($dset || $hset || $mset)) { | |
289 | ${timestring} .= $secs.' '.$Lang::tr{'age second'}; | |
290 | } | |
291 | else { ${timestring} .= $secs.' '.$Lang::tr{'age ssecond'}; } | |
292 | ||
293 | return ${timestring}; | |
ac1cfefa MT |
294 | } |
295 | ||
296 | sub validip | |
297 | { | |
298 | my $ip = $_[0]; | |
299 | ||
300 | if (!($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)) { | |
301 | return 0; } | |
302 | else | |
303 | { | |
304 | my @octets = ($1, $2, $3, $4); | |
305 | foreach $_ (@octets) | |
306 | { | |
307 | if (/^0./) { | |
308 | return 0; } | |
309 | if ($_ < 0 || $_ > 255) { | |
310 | return 0; } | |
311 | } | |
312 | return 1; | |
313 | } | |
314 | } | |
315 | ||
316 | sub validmask | |
317 | { | |
318 | my $mask = $_[0]; | |
319 | ||
320 | # secord part an ip? | |
321 | if (&validip($mask)) { | |
322 | return 1; } | |
323 | # second part a number? | |
324 | if (/^0/) { | |
325 | return 0; } | |
326 | if (!($mask =~ /^\d+$/)) { | |
327 | return 0; } | |
328 | if ($mask >= 0 && $mask <= 32) { | |
329 | return 1; } | |
330 | return 0; | |
331 | } | |
332 | ||
333 | sub validipormask | |
334 | { | |
335 | my $ipormask = $_[0]; | |
336 | ||
337 | # see if it is a IP only. | |
338 | if (&validip($ipormask)) { | |
339 | return 1; } | |
340 | # split it into number and mask. | |
341 | if (!($ipormask =~ /^(.*?)\/(.*?)$/)) { | |
342 | return 0; } | |
343 | my $ip = $1; | |
344 | my $mask = $2; | |
345 | # first part not a ip? | |
346 | if (!(&validip($ip))) { | |
347 | return 0; } | |
348 | return &validmask($mask); | |
349 | } | |
350 | ||
8c877a82 | 351 | sub subtocidr |
ac1cfefa | 352 | { |
8c877a82 AM |
353 | #gets: Subnet in decimal (255.255.255.0) |
354 | #Gives: 24 (The cidr of network) | |
355 | my ($byte1, $byte2, $byte3, $byte4) = split(/\./, $_[0].".0.0.0.0"); | |
356 | my $num = ($byte1 * 16777216) + ($byte2 * 65536) + ($byte3 * 256) + $byte4; | |
357 | my $bin = unpack("B*", pack("N", $num)); | |
358 | my $count = ($bin =~ tr/1/1/); | |
359 | return $count; | |
360 | } | |
ac1cfefa | 361 | |
8c877a82 AM |
362 | sub cidrtosub |
363 | { | |
364 | #gets: Cidr of network (20-30 for ccd) | |
365 | #Konverts 30 to 255.255.255.252 e.g | |
366 | my $cidr=$_[0]; | |
367 | my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr); | |
368 | return "$netmask"; | |
369 | } | |
370 | ||
371 | sub iporsubtodec | |
372 | { | |
373 | #Gets: Ip address or subnetmask in decimal oder CIDR | |
374 | #Gives: What it gets only in CIDR format | |
375 | my $subnet=$_[0]; | |
376 | my $net; | |
377 | my $mask; | |
378 | my $full=0; | |
379 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
380 | ($net,$mask) = split (/\//,$subnet); | |
381 | $full=1; | |
382 | return "$subnet"; | |
383 | }else{ | |
384 | $mask=$subnet; | |
385 | } | |
386 | #Subnet already in decimal and valid? | |
387 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
388 | for (my $i=8;$i<=32;$i++){ | |
389 | if (&General::cidrtosub($i) eq $mask){ | |
390 | if ($full == 0){return $mask;}else{ | |
391 | return $net."/".$mask; | |
392 | } | |
393 | } | |
394 | } | |
395 | } | |
396 | #Subnet in binary format? | |
397 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){ | |
398 | if($full == 0){ return &General::cidrtosub($mask);}else{ | |
399 | return $net."/".&General::cidrtosub($mask); | |
400 | } | |
401 | }else{ | |
402 | return 3; | |
403 | } | |
404 | return 3; | |
405 | } | |
406 | ||
407 | ||
408 | sub iporsubtocidr | |
409 | { | |
410 | #gets: Ip Address or subnetmask in decimal oder CIDR | |
411 | #Gives: What it gets only in CIDR format | |
412 | my $subnet=$_[0]; | |
413 | my $net; | |
414 | my $mask; | |
415 | my $full=0; | |
416 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
417 | ($net,$mask) = split (/\//,$subnet); | |
418 | $full=1; | |
419 | }else{ | |
420 | $mask=$subnet; | |
421 | } | |
422 | #Subnet in decimal and valid? | |
423 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
424 | for (my $i=8;$i<=32;$i++){ | |
425 | if (&General::cidrtosub($i) eq $mask){ | |
426 | if ($full == 0){return &General::subtocidr($mask);}else{ | |
427 | return $net."/".&General::subtocidr($mask); | |
428 | } | |
429 | } | |
430 | } | |
431 | } | |
432 | #Subnet already in binary format? | |
433 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){ | |
434 | if($full == 0){ return $mask;}else{ | |
435 | return $net."/".$mask; | |
436 | } | |
437 | }else{ | |
438 | return 3; | |
439 | } | |
440 | return 3; | |
441 | } | |
442 | ||
443 | sub getnetworkip | |
444 | { | |
445 | #Gets: IP, CIDR (10.10.10.0-255, 24) | |
446 | #Gives: 10.10.10.0 | |
447 | my ($ccdip,$ccdsubnet) = @_; | |
448 | my $ip_address_binary = inet_aton( $ccdip ); | |
449 | my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1); | |
450 | my $network_address = inet_ntoa( $ip_address_binary & $netmask_binary ); | |
451 | return $network_address; | |
452 | } | |
453 | ||
454 | sub getccdbc | |
455 | { | |
456 | #Gets: IP in Form ("192.168.0.0/24") | |
457 | #Gives: Broadcastaddress of network | |
458 | my $ccdnet=$_; | |
459 | my ($ccdip,$ccdsubnet) = split "/",$ccdnet; | |
460 | my $ip_address_binary = inet_aton( $ccdip ); | |
461 | my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1); | |
462 | my $broadcast_address = inet_ntoa( $ip_address_binary | ~$netmask_binary ); | |
463 | return $broadcast_address; | |
464 | } | |
e81be1e1 AM |
465 | |
466 | sub ip2dec | |
467 | { | |
468 | my $ip_num; | |
469 | my $ip=$_[0]; | |
470 | if ( $ip =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/ ) { | |
471 | $ip_num = (($1*256**3) + ($2*256**2) + ($3*256) + $4); | |
472 | } else { | |
473 | $ip_num = -1; | |
474 | } | |
475 | $ip_num = (($1*256**3) + ($2*256**2) + ($3*256) + $4); | |
476 | return($ip_num); | |
477 | } | |
478 | ||
479 | sub dec2ip | |
480 | { | |
481 | my $ip; | |
482 | my $ip_num=$_[0]; | |
483 | my $o1=$ip_num%256; | |
484 | $ip_num=int($ip_num/256); | |
485 | my $o2=$ip_num%256; | |
486 | $ip_num=int($ip_num/256); | |
487 | my $o3=$ip_num%256; | |
488 | $ip_num=int($ip_num/256); | |
489 | my $o4=$ip_num%256; | |
490 | $ip="$o4.$o3.$o2.$o1"; | |
491 | return ($ip); | |
492 | } | |
493 | ||
8c877a82 AM |
494 | sub getnextip |
495 | { | |
e81be1e1 AM |
496 | my $decip=&ip2dec($_[0]); |
497 | $decip=$decip+4; | |
498 | return &dec2ip($decip); | |
8c877a82 | 499 | } |
e81be1e1 | 500 | |
8c877a82 AM |
501 | sub getlastip |
502 | { | |
e81be1e1 AM |
503 | my $decip=&ip2dec($_[0]); |
504 | $decip--; | |
505 | return &dec2ip($decip); | |
8c877a82 AM |
506 | } |
507 | ||
508 | sub validipandmask | |
509 | { | |
510 | #Gets: Ip address in 192.168.0.0/24 or 192.168.0.0/255.255.255.0 and checks if subnet valid | |
511 | #Gives: True bzw 0 if success or false | |
512 | my $ccdnet=$_[0]; | |
513 | my $subcidr; | |
514 | ||
515 | if (!($ccdnet =~ /^(.*?)\/(.*?)$/)) { | |
516 | return 0; | |
517 | } | |
518 | my ($ccdip,$ccdsubnet)=split (/\//, $ccdnet); | |
519 | #IP valid? | |
520 | if ($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 && $4<=255 ))) { | |
521 | #Subnet in decimal and valid? | |
522 | if ($ccdsubnet=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
290007b3 | 523 | for (my $i=8;$i<=32;$i++){ |
8c877a82 AM |
524 | if (&General::cidrtosub($i) eq $ccdsubnet){ |
525 | return 1; | |
526 | } | |
527 | } | |
528 | #Subnet already in binary format? | |
290007b3 | 529 | }elsif ($ccdsubnet=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){ |
8c877a82 AM |
530 | return 1; |
531 | }else{ | |
532 | return 0; | |
533 | } | |
534 | ||
535 | } | |
536 | return 0; | |
ac1cfefa MT |
537 | } |
538 | ||
e2429e8d AM |
539 | sub checksubnets |
540 | { | |
e2429e8d AM |
541 | my %ccdconfhash=(); |
542 | my @ccdconf=(); | |
543 | my $ccdname=$_[0]; | |
544 | my $ccdnet=$_[1]; | |
545 | my $errormessage; | |
546 | my ($ip,$cidr)=split(/\//,$ccdnet); | |
547 | $cidr=&iporsubtocidr($cidr); | |
e2429e8d AM |
548 | #get OVPN-Subnet (dynamic range) |
549 | my %ovpnconf=(); | |
550 | &readhash("${General::swroot}/ovpn/settings", \%ovpnconf); | |
551 | my ($ovpnip,$ovpncidr)= split (/\//,$ovpnconf{'DOVPN_SUBNET'}); | |
552 | $ovpncidr=&iporsubtocidr($ovpncidr); | |
e2429e8d AM |
553 | #check if we try to use same network as ovpn server |
554 | if ("$ip/$cidr" eq "$ovpnip/$ovpncidr") { | |
555 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnnet'}."<br>"; | |
556 | return $errormessage; | |
557 | } | |
e2429e8d AM |
558 | #check if we use a network-name/subnet that already exists |
559 | &readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash); | |
560 | foreach my $key (keys %ccdconfhash) { | |
561 | @ccdconf=split(/\//,$ccdconfhash{$key}[1]); | |
562 | if ($ccdname eq $ccdconfhash{$key}[0]) | |
563 | { | |
564 | $errormessage=$errormessage.$Lang::tr{'ccd err nameexist'}."<br>"; | |
565 | return $errormessage; | |
566 | } | |
567 | my ($newip,$newsub) = split(/\//,$ccdnet); | |
568 | if (&IpInSubnet($newip,$ccdconf[0],&iporsubtodec($ccdconf[1]))) | |
569 | { | |
570 | $errormessage=$errormessage.$Lang::tr{'ccd err issubnet'}."<br>"; | |
571 | return $errormessage; | |
572 | } | |
e2429e8d | 573 | } |
e2429e8d AM |
574 | #check if we use a ipsec right network which is already defined |
575 | my %ipsecconf=(); | |
576 | &General::readhasharray("${General::swroot}/vpn/config", \%ipsecconf); | |
577 | foreach my $key (keys %ipsecconf){ | |
578 | if ($ipsecconf{$key}[11] ne ''){ | |
e2429e8d AM |
579 | my ($ipsecip,$ipsecsub) = split (/\//, $ipsecconf{$key}[11]); |
580 | $ipsecsub=&iporsubtodec($ipsecsub); | |
f7e3d208 AM |
581 | if($ipsecconf{$key}[1] ne $ccdname){ |
582 | if ( &IpInSubnet ($ip,$ipsecip,$ipsecsub) ){ | |
ac2f7107 | 583 | $errormessage=$Lang::tr{'ccd err isipsecnet'}." Name: $ipsecconf{$key}[1]"; |
f7e3d208 AM |
584 | return $errormessage; |
585 | } | |
e2429e8d AM |
586 | } |
587 | } | |
588 | } | |
e2429e8d AM |
589 | #check if we use one of ipfire's networks (green,orange,blue) |
590 | my %ownnet=(); | |
591 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); | |
592 | if (($ownnet{'GREEN_NETADDRESS'} ne '' && $ownnet{'GREEN_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'GREEN_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err green'};return $errormessage;} | |
593 | if (($ownnet{'ORANGE_NETADDRESS'} ne '' && $ownnet{'ORANGE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'ORANGE_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err orange'};return $errormessage;} | |
594 | if (($ownnet{'BLUE_NETADDRESS'} ne '' && $ownnet{'BLUE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'BLUE_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err blue'};return $errormessage;} | |
595 | if (($ownnet{'RED_NETADDRESS'} ne '' && $ownnet{'RED_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'RED_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err red'};return $errormessage;} | |
e2429e8d AM |
596 | } |
597 | ||
598 | ||
ac1cfefa MT |
599 | sub validport |
600 | { | |
601 | $_ = $_[0]; | |
602 | ||
603 | if (!/^\d+$/) { | |
604 | return 0; } | |
605 | if (/^0./) { | |
606 | return 0; } | |
607 | if ($_ >= 1 && $_ <= 65535) { | |
608 | return 1; } | |
609 | return 0; | |
610 | } | |
611 | ||
d30ea451 CS |
612 | sub validproxyport |
613 | { | |
614 | $_ = $_[0]; | |
615 | ||
616 | if (!/^\d+$/) { | |
617 | return 0; } | |
618 | if (/^0./) { | |
619 | return 0; } | |
620 | if ($_ == 53 || $_ == 222 || $_ == 444 || $_ == 81 ) { | |
621 | return 0; } | |
622 | elsif ($_ >= 1 && $_ <= 65535) { | |
623 | return 1; } | |
624 | return 0; | |
625 | } | |
626 | ||
ac1cfefa MT |
627 | sub validmac |
628 | { | |
629 | my $checkmac = $_[0]; | |
630 | my $ot = '[0-9a-f]{2}'; # 2 Hex digits (one octet) | |
631 | if ($checkmac !~ /^$ot:$ot:$ot:$ot:$ot:$ot$/i) | |
632 | { | |
633 | return 0; | |
634 | } | |
635 | return 1; | |
636 | } | |
637 | ||
638 | sub validhostname | |
639 | { | |
640 | # Checks a hostname against RFC1035 | |
641 | my $hostname = $_[0]; | |
642 | ||
643 | # Each part should be at least two characters in length | |
644 | # but no more than 63 characters | |
645 | if (length ($hostname) < 1 || length ($hostname) > 63) { | |
646 | return 0;} | |
647 | # Only valid characters are a-z, A-Z, 0-9 and - | |
8c877a82 | 648 | if ($hostname !~ /^[a-zA-Z0-9-\s]*$/) { |
ac1cfefa MT |
649 | return 0;} |
650 | # First character can only be a letter or a digit | |
651 | if (substr ($hostname, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
652 | return 0;} | |
653 | # Last character can only be a letter or a digit | |
654 | if (substr ($hostname, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
655 | return 0;} | |
656 | return 1; | |
657 | } | |
658 | ||
659 | sub validdomainname | |
660 | { | |
661 | my $part; | |
662 | ||
663 | # Checks a domain name against RFC1035 | |
664 | my $domainname = $_[0]; | |
665 | my @parts = split (/\./, $domainname); # Split hostname at the '.' | |
666 | ||
667 | foreach $part (@parts) { | |
668 | # Each part should be at least two characters in length | |
669 | # but no more than 63 characters | |
670 | if (length ($part) < 2 || length ($part) > 63) { | |
671 | return 0;} | |
672 | # Only valid characters are a-z, A-Z, 0-9 and - | |
673 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
674 | return 0;} | |
675 | # First character can only be a letter or a digit | |
676 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
677 | return 0;} | |
678 | # Last character can only be a letter or a digit | |
679 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
680 | return 0;} | |
681 | } | |
682 | return 1; | |
683 | } | |
684 | ||
685 | sub validfqdn | |
686 | { | |
687 | my $part; | |
688 | ||
689 | # Checks a fully qualified domain name against RFC1035 | |
690 | my $fqdn = $_[0]; | |
691 | my @parts = split (/\./, $fqdn); # Split hostname at the '.' | |
692 | if (scalar(@parts) < 2) { # At least two parts should | |
693 | return 0;} # exist in a FQDN | |
694 | # (i.e. hostname.domain) | |
695 | foreach $part (@parts) { | |
696 | # Each part should be at least one character in length | |
697 | # but no more than 63 characters | |
698 | if (length ($part) < 1 || length ($part) > 63) { | |
699 | return 0;} | |
700 | # Only valid characters are a-z, A-Z, 0-9 and - | |
701 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
702 | return 0;} | |
703 | # First character can only be a letter or a digit | |
704 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
705 | return 0;} | |
706 | # Last character can only be a letter or a digit | |
707 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
708 | return 0;} | |
709 | } | |
710 | return 1; | |
711 | } | |
712 | ||
713 | sub validportrange # used to check a port range | |
714 | { | |
715 | my $port = $_[0]; # port values | |
716 | $port =~ tr/-/:/; # replace all - with colons just in case someone used - | |
717 | my $srcdst = $_[1]; # is it a source or destination port | |
718 | ||
719 | if (!($port =~ /^(\d+)\:(\d+)$/)) { | |
720 | ||
721 | if (!(&validport($port))) { | |
722 | if ($srcdst eq 'src'){ | |
723 | return $Lang::tr{'source port numbers'}; | |
724 | } else { | |
725 | return $Lang::tr{'destination port numbers'}; | |
726 | } | |
727 | } | |
728 | } | |
729 | else | |
730 | { | |
731 | my @ports = ($1, $2); | |
732 | if ($1 >= $2){ | |
733 | if ($srcdst eq 'src'){ | |
734 | return $Lang::tr{'bad source range'}; | |
735 | } else { | |
736 | return $Lang::tr{'bad destination range'}; | |
737 | } | |
738 | } | |
739 | foreach $_ (@ports) | |
740 | { | |
741 | if (!(&validport($_))) { | |
742 | if ($srcdst eq 'src'){ | |
743 | return $Lang::tr{'source port numbers'}; | |
744 | } else { | |
745 | return $Lang::tr{'destination port numbers'}; | |
746 | } | |
747 | } | |
748 | } | |
749 | return; | |
750 | } | |
751 | } | |
752 | ||
753 | # Test if IP is within a subnet | |
754 | # Call: IpInSubnet (Addr, Subnet, Subnet Mask) | |
755 | # Subnet can be an IP of the subnet: 10.0.0.0 or 10.0.0.1 | |
756 | # Everything in dottted notation | |
757 | # Return: TRUE/FALSE | |
758 | sub IpInSubnet | |
759 | { | |
760 | my $ip = unpack('N', &Socket::inet_aton(shift)); | |
761 | my $start = unpack('N', &Socket::inet_aton(shift)); | |
762 | my $mask = unpack('N', &Socket::inet_aton(shift)); | |
763 | $start &= $mask; # base of subnet... | |
764 | my $end = $start + ~$mask; | |
765 | return (($ip >= $start) && ($ip <= $end)); | |
766 | } | |
767 | ||
c545beb1 MT |
768 | # |
769 | # Return the following IP (IP+1) in dotted notation. | |
770 | # Call: NextIP ('1.1.1.1'); | |
771 | # Return: '1.1.1.2' | |
772 | # | |
773 | sub NextIP | |
774 | { | |
775 | return &Socket::inet_ntoa( pack("N", 1 + unpack('N', &Socket::inet_aton(shift)) | |
776 | ) | |
777 | ); | |
778 | } | |
8c877a82 AM |
779 | sub NextIP2 |
780 | { | |
781 | return &Socket::inet_ntoa( pack("N", 4 + unpack('N', &Socket::inet_aton(shift)) | |
782 | ) | |
783 | ); | |
784 | } | |
45762fc6 AF |
785 | sub ipcidr |
786 | { | |
787 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); | |
788 | return "$ip\/$cidr"; | |
789 | } | |
790 | ||
54fd0535 MT |
791 | sub ipcidr2msk |
792 | { | |
793 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); | |
794 | my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr); | |
795 | return "$ip\/$netmask"; | |
796 | } | |
797 | ||
798 | ||
ac1cfefa MT |
799 | sub validemail { |
800 | my $mail = shift; | |
801 | return 0 if ( $mail !~ /^[0-9a-zA-Z\.\-\_]+\@[0-9a-zA-Z\.\-]+$/ ); | |
802 | return 0 if ( $mail =~ /^[^0-9a-zA-Z]|[^0-9a-zA-Z]$/); | |
803 | return 0 if ( $mail !~ /([0-9a-zA-Z]{1})\@./ ); | |
804 | return 0 if ( $mail !~ /.\@([0-9a-zA-Z]{1})/ ); | |
805 | return 0 if ( $mail =~ /.\.\-.|.\-\..|.\.\..|.\-\-./g ); | |
806 | return 0 if ( $mail =~ /.\.\_.|.\-\_.|.\_\..|.\_\-.|.\_\_./g ); | |
807 | return 0 if ( $mail !~ /\.([a-zA-Z]{2,4})$/ ); | |
808 | return 1; | |
809 | } | |
810 | ||
c545beb1 MT |
811 | # |
812 | # Currently only vpnmain use this three procs (readhasharray, writehasharray, findhasharray) | |
813 | # The 'key' used is numeric but is perfectly unneeded! This will to be removed so don't use | |
814 | # this code. Vpnmain will be splitted in parts: x509/pki, connection ipsec, connection other,... . | |
815 | # | |
ac1cfefa MT |
816 | sub readhasharray { |
817 | my ($filename, $hash) = @_; | |
818 | %$hash = (); | |
819 | ||
820 | open(FILE, $filename) or die "Unable to read file $filename"; | |
821 | ||
822 | while (<FILE>) { | |
823 | my ($key, $rest, @temp); | |
824 | chomp; | |
825 | ($key, $rest) = split (/,/, $_, 2); | |
c545beb1 | 826 | if ($key =~ /^[0-9]+$/) { |
ac1cfefa MT |
827 | @temp = split (/,/, $rest); |
828 | $hash->{$key} = \@temp; | |
829 | } | |
830 | } | |
831 | close FILE; | |
832 | return; | |
833 | } | |
834 | ||
835 | sub writehasharray { | |
836 | my ($filename, $hash) = @_; | |
837 | my ($key, @temp, $i); | |
838 | ||
839 | open(FILE, ">$filename") or die "Unable to write to file $filename"; | |
840 | ||
841 | foreach $key (keys %$hash) { | |
8c877a82 AM |
842 | if ($key =~ /^[0-9]+$/) { |
843 | print FILE "$key"; | |
844 | foreach $i (0 .. $#{$hash->{$key}}) { | |
845 | print FILE ",$hash->{$key}[$i]"; | |
846 | } | |
847 | print FILE "\n"; | |
848 | } | |
ac1cfefa MT |
849 | } |
850 | close FILE; | |
851 | return; | |
852 | } | |
853 | ||
854 | sub findhasharraykey { | |
855 | foreach my $i (1 .. 1000000) { | |
856 | if ( ! exists $_[0]{$i}) { | |
857 | return $i; | |
858 | } | |
859 | } | |
860 | } | |
861 | ||
862 | sub srtarray | |
863 | # Darren Critchley - darrenc@telus.net - (c) 2003 | |
864 | # &srtarray(SortOrder, AlphaNumeric, SortDirection, ArrayToBeSorted) | |
865 | # This subroutine will take the following parameters: | |
866 | # ColumnNumber = the column which you want to sort on, starts at 1 | |
867 | # AlphaNumberic = a or n (lowercase) defines whether the sort should be alpha or numberic | |
868 | # SortDirection = asc or dsc (lowercase) Ascending or Descending sort | |
869 | # ArrayToBeSorted = the array that wants sorting | |
870 | # | |
871 | # Returns an array that is sorted to your specs | |
872 | # | |
873 | # If SortOrder is greater than the elements in array, then it defaults to the first element | |
874 | # | |
875 | { | |
876 | my ($colno, $alpnum, $srtdir, @tobesorted) = @_; | |
877 | my @tmparray; | |
878 | my @srtedarray; | |
879 | my $line; | |
880 | my $newline; | |
881 | my $ctr; | |
882 | my $ttlitems = scalar @tobesorted; # want to know the number of rows in the passed array | |
883 | if ($ttlitems < 1){ # if no items, don't waste our time lets leave | |
884 | return (@tobesorted); | |
885 | } | |
886 | my @tmp = split(/\,/,$tobesorted[0]); | |
887 | $ttlitems = scalar @tmp; # this should be the number of elements in each row of the passed in array | |
888 | ||
889 | # Darren Critchley - validate parameters | |
890 | if ($colno > $ttlitems){$colno = '1';} | |
891 | $colno--; # remove one from colno to deal with arrays starting at 0 | |
892 | if($colno < 0){$colno = '0';} | |
893 | if ($alpnum ne '') { $alpnum = lc($alpnum); } else { $alpnum = 'a'; } | |
894 | if ($srtdir ne '') { $srtdir = lc($srtdir); } else { $srtdir = 'src'; } | |
895 | ||
896 | foreach $line (@tobesorted) | |
897 | { | |
898 | chomp($line); | |
899 | if ($line ne '') { | |
900 | my @temp = split(/\,/,$line); | |
901 | # Darren Critchley - juggle the fields so that the one we want to sort on is first | |
902 | my $tmpholder = $temp[0]; | |
903 | $temp[0] = $temp[$colno]; | |
904 | $temp[$colno] = $tmpholder; | |
905 | $newline = ""; | |
906 | for ($ctr=0; $ctr < $ttlitems ; $ctr++) { | |
907 | $newline=$newline . $temp[$ctr] . ","; | |
908 | } | |
909 | chop($newline); | |
910 | push(@tmparray,$newline); | |
911 | } | |
912 | } | |
913 | if ($alpnum eq 'n') { | |
914 | @tmparray = sort {$a <=> $b} @tmparray; | |
915 | } else { | |
916 | @tmparray = (sort @tmparray); | |
917 | } | |
918 | foreach $line (@tmparray) | |
919 | { | |
920 | chomp($line); | |
921 | if ($line ne '') { | |
922 | my @temp = split(/\,/,$line); | |
923 | my $tmpholder = $temp[0]; | |
924 | $temp[0] = $temp[$colno]; | |
925 | $temp[$colno] = $tmpholder; | |
926 | $newline = ""; | |
927 | for ($ctr=0; $ctr < $ttlitems ; $ctr++){ | |
928 | $newline=$newline . $temp[$ctr] . ","; | |
929 | } | |
930 | chop($newline); | |
931 | push(@srtedarray,$newline); | |
932 | } | |
933 | } | |
934 | ||
935 | if ($srtdir eq 'dsc') { | |
936 | @tmparray = reverse(@srtedarray); | |
937 | return (@tmparray); | |
938 | } else { | |
939 | return (@srtedarray); | |
940 | } | |
941 | } | |
942 | ||
943 | sub FetchPublicIp { | |
944 | my %proxysettings; | |
945 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
946 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
947 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
948 | Net::SSLeay::set_proxy($peer,$peerport,$proxysettings{'UPSTREAM_USER'},$proxysettings{'UPSTREAM_PASSWORD'} ); | |
949 | } | |
b2f8244a | 950 | my $user_agent = &MakeUserAgent(); |
0aa0cdcd | 951 | my ($out, $response) = Net::SSLeay::get_http( 'checkip4.dns.lightningwirelabs.com', |
ac1cfefa MT |
952 | 80, |
953 | "/", | |
b2f8244a | 954 | Net::SSLeay::make_headers('User-Agent' => $user_agent ) |
ac1cfefa MT |
955 | ); |
956 | if ($response =~ m%HTTP/1\.. 200 OK%) { | |
5a2935b1 | 957 | $out =~ /Your IP address is: (\d+.\d+.\d+.\d+)/; |
ac1cfefa MT |
958 | return $1; |
959 | } | |
960 | return ''; | |
961 | } | |
962 | ||
963 | # | |
964 | # Check if hostname.domain provided have IP provided | |
965 | # use gethostbyname to verify that | |
966 | # Params: | |
967 | # IP | |
968 | # hostname | |
969 | # domain | |
970 | # Output | |
971 | # 1 IP matches host.domain | |
972 | # 0 not in sync | |
973 | # | |
974 | sub DyndnsServiceSync ($;$;$) { | |
975 | ||
976 | my ($ip,$hostName,$domain) = @_; | |
977 | my @addresses; | |
978 | ||
979 | #fix me no ip GROUP, what is the name ? | |
980 | $hostName =~ s/$General::noipprefix//; | |
981 | if ($hostName) { #may be empty | |
982 | $hostName = "$hostName.$domain"; | |
983 | @addresses = gethostbyname($hostName); | |
984 | } | |
985 | ||
986 | if ($addresses[0] eq '') { # nothing returned ? | |
987 | $hostName = $domain; # try resolving with domain only | |
988 | @addresses = gethostbyname($hostName); | |
989 | } | |
990 | ||
991 | if ($addresses[0] ne '') { # got something ? | |
992 | #&General::log("name:$addresses[0], alias:$addresses[1]"); | |
993 | # Build clear text list of IP | |
994 | @addresses = map ( &Socket::inet_ntoa($_), @addresses[4..$#addresses]); | |
995 | if (grep (/$ip/, @addresses)) { | |
996 | return 1; | |
997 | } | |
998 | } | |
999 | return 0; | |
1000 | } | |
1001 | # | |
1002 | # This sub returns the red IP used to compare in DyndnsServiceSync | |
1003 | # | |
1004 | sub GetDyndnsRedIP { | |
1005 | my %settings; | |
1006 | &General::readhash("${General::swroot}/ddns/settings", \%settings); | |
1007 | ||
1008 | open(IP, "${General::swroot}/red/local-ipaddress") or return 'unavailable'; | |
1009 | my $ip = <IP>; | |
1010 | close(IP); | |
1011 | chomp $ip; | |
1012 | ||
057dbeeb | 1013 | # 100.64.0.0/10 is reserved for dual-stack lite (http://tools.ietf.org/html/rfc6598). |
ac1cfefa MT |
1014 | if (&General::IpInSubnet ($ip,'10.0.0.0','255.0.0.0') || |
1015 | &General::IpInSubnet ($ip,'172.16.0.0.','255.240.0.0') || | |
057dbeeb MT |
1016 | &General::IpInSubnet ($ip,'192.168.0.0','255.255.0.0') || |
1017 | &General::IpInSubnet ($ip,'100.64.0.0', '255.192.0.0')) | |
ac1cfefa MT |
1018 | { |
1019 | if ($settings{'BEHINDROUTER'} eq 'FETCH_IP') { | |
1020 | my $RealIP = &General::FetchPublicIp; | |
1021 | $ip = (&General::validip ($RealIP) ? $RealIP : 'unavailable'); | |
1022 | } | |
1023 | } | |
1024 | return $ip; | |
1025 | } | |
c545beb1 MT |
1026 | |
1027 | # Translate ICMP code to text | |
1028 | # ref: http://www.iana.org/assignments/icmp-parameters | |
1029 | sub GetIcmpDescription ($) { | |
1030 | my $index = shift; | |
1031 | my @icmp_description = ( | |
1032 | 'Echo Reply', #0 | |
1033 | 'Unassigned', | |
1034 | 'Unassigned', | |
1035 | 'Destination Unreachable', | |
1036 | 'Source Quench', | |
1037 | 'Redirect', | |
1038 | 'Alternate Host Address', | |
1039 | 'Unassigned', | |
1040 | 'Echo', | |
1041 | 'Router Advertisement', | |
1042 | 'Router Solicitation', #10 | |
1043 | 'Time Exceeded', | |
1044 | 'Parameter Problem', | |
1045 | 'Timestamp', | |
1046 | 'Timestamp Reply', | |
1047 | 'Information Request', | |
1048 | 'Information Reply', | |
1049 | 'Address Mask Request', | |
1050 | 'Address Mask Reply', | |
1051 | 'Reserved (for Security)', | |
1052 | 'Reserved (for Robustness Experiment)', #20 | |
1053 | 'Reserved', | |
1054 | 'Reserved', | |
1055 | 'Reserved', | |
1056 | 'Reserved', | |
1057 | 'Reserved', | |
1058 | 'Reserved', | |
1059 | 'Reserved', | |
1060 | 'Reserved', | |
1061 | 'Reserved', | |
1062 | 'Traceroute', #30 | |
1063 | 'Datagram Conversion Error', | |
1064 | 'Mobile Host Redirect', | |
1065 | 'IPv6 Where-Are-You', | |
1066 | 'IPv6 I-Am-Here', | |
1067 | 'Mobile Registration Request', | |
1068 | 'Mobile Registration Reply', | |
1069 | 'Domain Name Request', | |
1070 | 'Domain Name Reply', | |
1071 | 'SKIP', | |
1072 | 'Photur', #40 | |
1073 | 'Experimental'); | |
1074 | if ($index>41) {return 'unknown'} else {return @icmp_description[$index]}; | |
1075 | } | |
b2f8244a MT |
1076 | |
1077 | sub GetCoreUpdateVersion() { | |
1078 | my $core_update; | |
1079 | ||
1080 | open(FILE, "/opt/pakfire/db/core/mine"); | |
1081 | while (<FILE>) { | |
1082 | $core_update = $_; | |
1083 | last; | |
1084 | } | |
1085 | close(FILE); | |
1086 | ||
1087 | return $core_update; | |
1088 | } | |
1089 | ||
1090 | sub MakeUserAgent() { | |
1091 | my $user_agent = "IPFire/$General::version"; | |
1092 | ||
1093 | my $core_update = &GetCoreUpdateVersion(); | |
1094 | if ($core_update ne "") { | |
1095 | $user_agent .= "/$core_update"; | |
1096 | } | |
1097 | ||
1098 | return $user_agent; | |
1099 | } | |
1100 | ||
61027579 MT |
1101 | sub RedIsWireless() { |
1102 | # This function checks if a network device is a wireless device. | |
1103 | ||
1104 | my %settings = (); | |
1105 | &readhash("${General::swroot}/ethernet/settings", \%settings); | |
1106 | ||
1107 | # Find the name of the network device. | |
1108 | my $device = $settings{'RED_DEV'}; | |
1109 | ||
1110 | # Exit, if no device is configured. | |
1111 | return 0 if ($device eq ""); | |
1112 | ||
1113 | # Return 1 if the device is a wireless one. | |
1114 | my $path = "/sys/class/net/$device/wireless"; | |
1115 | if (-d $path) { | |
1116 | return 1; | |
1117 | } | |
1118 | ||
1119 | # Otherwise return zero. | |
1120 | return 0; | |
1121 | } | |
1122 | ||
dfee7582 SS |
1123 | # Function to read a file with UTF-8 charset. |
1124 | sub read_file_utf8 ($) { | |
1125 | my ($file) = @_; | |
1126 | ||
1127 | open my $in, '<:encoding(UTF-8)', $file or die "Could not open '$file' for reading $!"; | |
1128 | local $/ = undef; | |
1129 | my $all = <$in>; | |
1130 | close $in; | |
1131 | ||
3e862ce4 | 1132 | return $all; |
dfee7582 SS |
1133 | } |
1134 | ||
1135 | # Function to write a file with UTF-8 charset. | |
1136 | sub write_file_utf8 ($) { | |
1137 | my ($file, $content) = @_; | |
1138 | ||
1139 | open my $out, '>:encoding(UTF-8)', $file or die "Could not open '$file' for writing $!";; | |
1140 | print $out $content; | |
1141 | close $out; | |
1142 | ||
1143 | return; | |
1144 | } | |
1145 | ||
6d8eb5de | 1146 | my $FIREWALL_RELOAD_INDICATOR = "${General::swroot}/firewall/reread"; |
0e430797 MT |
1147 | |
1148 | sub firewall_config_changed() { | |
1149 | open FILE, ">$FIREWALL_RELOAD_INDICATOR" or die "Could not open $FIREWALL_RELOAD_INDICATOR"; | |
1150 | close FILE; | |
1151 | } | |
1152 | ||
1153 | sub firewall_needs_reload() { | |
1154 | if (-e "$FIREWALL_RELOAD_INDICATOR") { | |
1155 | return 1; | |
1156 | } | |
1157 | ||
1158 | return 0; | |
1159 | } | |
1160 | ||
1161 | sub firewall_reload() { | |
8039a710 | 1162 | system("/usr/local/bin/firewallctrl"); |
0e430797 MT |
1163 | } |
1164 | ||
ac1cfefa | 1165 | 1; |