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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 | ||
111c99dd MT |
24 | $General::version = '2.11'; |
25 | $General::swroot = '/var/ipfire'; | |
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'}"; | |
54 | $defaultNetworks->{$Lang::tr{'green'}}{'NAME'} = "GREEN"; | |
55 | ||
56 | if ($netsettings{'ORANGE_DEV'} ne ''){ | |
57 | $defaultNetworks->{$Lang::tr{'orange'}}{'IPT'} = "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"; | |
58 | $defaultNetworks->{$Lang::tr{'orange'}}{'NAME'} = "ORANGE"; | |
59 | } | |
60 | ||
61 | if ($netsettings{'BLUE_DEV'} ne ''){ | |
62 | $defaultNetworks->{$Lang::tr{'blue'}}{'IPT'} = "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"; | |
63 | $defaultNetworks->{$Lang::tr{'blue'}}{'NAME'} = "BLUE"; | |
64 | } | |
65 | ||
66 | # OpenVPN | |
67 | if(-e "${General::swroot}/ovpn/settings") | |
68 | { | |
69 | my %ovpnSettings = (); | |
70 | &readhash("${General::swroot}/ovpn/settings", \%ovpnSettings); | |
71 | ||
72 | # OpenVPN on Red? | |
73 | if(defined($ovpnSettings{'DOVPN_SUBNET'})) | |
74 | { | |
75 | my ($ip,$sub) = split(/\//,$ovpnSettings{'DOVPN_SUBNET'}); | |
76 | $sub=&General::iporsubtocidr($sub); | |
77 | my @tempovpnsubnet = split("\/", $ovpnSettings{'DOVPN_SUBNET'}); | |
78 | $defaultNetworks->{'OpenVPN ' .$ip."/".$sub}{'ADR'} = $tempovpnsubnet[0]; | |
79 | $defaultNetworks->{'OpenVPN ' .$ip."/".$sub}{'NAME'} = "OpenVPN-Dyn"; | |
80 | } | |
81 | } # end OpenVPN | |
82 | # IPsec RW NET | |
83 | if(-e "${General::swroot}/vpn/settings") | |
84 | { | |
85 | my %ipsecsettings = (); | |
86 | &readhash("${General::swroot}/vpn/settings", \%ipsecsettings); | |
87 | if($ipsecsettings{'RW_NET'} ne '') | |
88 | { | |
89 | my ($ip,$sub) = split(/\//,$ipsecsettings{'RW_NET'}); | |
90 | $sub=&General::iporsubtocidr($sub); | |
91 | my @tempipsecsubnet = split("\/", $ipsecsettings{'RW_NET'}); | |
92 | $defaultNetworks->{'IPsec RW ' .$ip."/".$sub}{'ADR'} = $tempipsecsubnet[0]; | |
93 | $defaultNetworks->{'IPsec RW ' .$ip."/".$sub}{'NAME'} = "IPsec RW"; | |
94 | } | |
95 | } | |
96 | #open(FILE, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.'; | |
97 | #my @current = <FILE>; | |
98 | #close(FILE); | |
99 | #my $ctr = 0; | |
100 | #foreach my $line (@current) | |
101 | #{ | |
102 | #if ($line ne ''){ | |
103 | #chomp($line); | |
104 | #my @temp = split(/\,/,$line); | |
105 | #if ($temp[2] eq '') { | |
106 | #$temp[2] = "Alias $ctr : $temp[0]"; | |
107 | #} | |
108 | #$defaultNetworks->{$temp[2]}{'IPT'} = "$temp[0]"; | |
109 | #$ctr++; | |
110 | #} | |
111 | #} | |
112 | } | |
113 | sub get_aliases | |
114 | { | |
115 | ||
116 | my $defaultNetworks = shift; | |
117 | open(FILE, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.'; | |
118 | my @current = <FILE>; | |
119 | close(FILE); | |
120 | my $ctr = 0; | |
121 | foreach my $line (@current) | |
122 | { | |
123 | if ($line ne ''){ | |
124 | chomp($line); | |
125 | my @temp = split(/\,/,$line); | |
126 | if ($temp[2] eq '') { | |
127 | $temp[2] = "Alias $ctr : $temp[0]"; | |
128 | } | |
129 | $defaultNetworks->{$temp[2]}{'IPT'} = "$temp[0]"; | |
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}=${val}\n"; } | |
230 | } | |
231 | } | |
232 | close FILE; | |
233 | } | |
ac1cfefa MT |
234 | |
235 | sub age | |
236 | { | |
237 | my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, | |
238 | $atime, $mtime, $ctime, $blksize, $blocks) = stat $_[0]; | |
239 | my $now = time; | |
3687a2e2 JIW |
240 | my $timestring = ''; |
241 | my $dset = 0; # Day is set, when > 0 | |
242 | my $hset = 0; # Hour is set, when > 0 | |
243 | my $mset = 0; # Minute is set, when > 0 | |
ac1cfefa MT |
244 | |
245 | my $totalsecs = $now - $mtime; | |
246 | my $days = int($totalsecs / 86400); | |
247 | my $totalhours = int($totalsecs / 3600); | |
248 | my $hours = $totalhours % 24; | |
249 | my $totalmins = int($totalsecs / 60); | |
250 | my $mins = $totalmins % 60; | |
251 | my $secs = $totalsecs % 60; | |
252 | ||
3687a2e2 JIW |
253 | if ($days > 1) { |
254 | ${timestring} .= ${days}.' '.$Lang::tr{'days'}.', '; | |
255 | $dset = 1; | |
256 | } | |
257 | elsif ($days == 1) { | |
258 | ${timestring} .= ${days}.' '.$Lang::tr{'day'}.', '; | |
259 | $dset = 1; | |
260 | } | |
261 | ||
262 | if (($hours > 1) && !($dset)) { | |
263 | ${timestring} .= ${hours}.' '.$Lang::tr{'hours'}.', '; | |
264 | $hset = 1; | |
265 | } | |
266 | elsif (($hours == 1) && !($dset)) { | |
267 | ${timestring} .= ${hours}.' '.$Lang::tr{'hour'}.', '; | |
268 | $hset = 1; | |
269 | } | |
270 | elsif ($dset) { | |
271 | ${timestring} .= ${hours}.' '.$Lang::tr{'age shour'}.', '; | |
272 | $hset = 1; | |
273 | } | |
274 | ||
275 | if ((($mins > 1) || ($mins == 0)) && !($dset || $hset)) { | |
276 | ${timestring} .= ${mins}.' '.$Lang::tr{'minutes'}.', '; | |
277 | $mset = 1; | |
278 | } | |
279 | elsif (($mins == 1) && !($dset || $hset)) { | |
280 | ${timestring} .= ${mins}.' '.$Lang::tr{'minute'}.', '; | |
281 | $mset = 1; | |
282 | } | |
283 | else { | |
284 | ${timestring} .= ${mins}.' '.$Lang::tr{'age sminute'}.', '; | |
285 | $mset = 1; | |
286 | } | |
287 | ||
288 | if ((($secs > 1) || ($secs == 0)) && !($dset || $hset || $mset)) { | |
289 | ${timestring} .= ${secs}.' '.$Lang::tr{'age seconds'}; | |
290 | } | |
291 | elsif (($secs == 1) && !($dset || $hset || $mset)) { | |
292 | ${timestring} .= $secs.' '.$Lang::tr{'age second'}; | |
293 | } | |
294 | else { ${timestring} .= $secs.' '.$Lang::tr{'age ssecond'}; } | |
295 | ||
296 | return ${timestring}; | |
ac1cfefa MT |
297 | } |
298 | ||
299 | sub validip | |
300 | { | |
301 | my $ip = $_[0]; | |
302 | ||
303 | if (!($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)) { | |
304 | return 0; } | |
305 | else | |
306 | { | |
307 | my @octets = ($1, $2, $3, $4); | |
308 | foreach $_ (@octets) | |
309 | { | |
310 | if (/^0./) { | |
311 | return 0; } | |
312 | if ($_ < 0 || $_ > 255) { | |
313 | return 0; } | |
314 | } | |
315 | return 1; | |
316 | } | |
317 | } | |
318 | ||
319 | sub validmask | |
320 | { | |
321 | my $mask = $_[0]; | |
322 | ||
323 | # secord part an ip? | |
324 | if (&validip($mask)) { | |
325 | return 1; } | |
326 | # second part a number? | |
327 | if (/^0/) { | |
328 | return 0; } | |
329 | if (!($mask =~ /^\d+$/)) { | |
330 | return 0; } | |
331 | if ($mask >= 0 && $mask <= 32) { | |
332 | return 1; } | |
333 | return 0; | |
334 | } | |
335 | ||
336 | sub validipormask | |
337 | { | |
338 | my $ipormask = $_[0]; | |
339 | ||
340 | # see if it is a IP only. | |
341 | if (&validip($ipormask)) { | |
342 | return 1; } | |
343 | # split it into number and mask. | |
344 | if (!($ipormask =~ /^(.*?)\/(.*?)$/)) { | |
345 | return 0; } | |
346 | my $ip = $1; | |
347 | my $mask = $2; | |
348 | # first part not a ip? | |
349 | if (!(&validip($ip))) { | |
350 | return 0; } | |
351 | return &validmask($mask); | |
352 | } | |
353 | ||
8c877a82 | 354 | sub subtocidr |
ac1cfefa | 355 | { |
8c877a82 AM |
356 | #gets: Subnet in decimal (255.255.255.0) |
357 | #Gives: 24 (The cidr of network) | |
358 | my ($byte1, $byte2, $byte3, $byte4) = split(/\./, $_[0].".0.0.0.0"); | |
359 | my $num = ($byte1 * 16777216) + ($byte2 * 65536) + ($byte3 * 256) + $byte4; | |
360 | my $bin = unpack("B*", pack("N", $num)); | |
361 | my $count = ($bin =~ tr/1/1/); | |
362 | return $count; | |
363 | } | |
ac1cfefa | 364 | |
8c877a82 AM |
365 | sub cidrtosub |
366 | { | |
367 | #gets: Cidr of network (20-30 for ccd) | |
368 | #Konverts 30 to 255.255.255.252 e.g | |
369 | my $cidr=$_[0]; | |
370 | my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr); | |
371 | return "$netmask"; | |
372 | } | |
373 | ||
374 | sub iporsubtodec | |
375 | { | |
376 | #Gets: Ip address or subnetmask in decimal oder CIDR | |
377 | #Gives: What it gets only in CIDR format | |
378 | my $subnet=$_[0]; | |
379 | my $net; | |
380 | my $mask; | |
381 | my $full=0; | |
382 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
383 | ($net,$mask) = split (/\//,$subnet); | |
384 | $full=1; | |
385 | return "$subnet"; | |
386 | }else{ | |
387 | $mask=$subnet; | |
388 | } | |
389 | #Subnet already in decimal and valid? | |
390 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
391 | for (my $i=8;$i<=32;$i++){ | |
392 | if (&General::cidrtosub($i) eq $mask){ | |
393 | if ($full == 0){return $mask;}else{ | |
394 | return $net."/".$mask; | |
395 | } | |
396 | } | |
397 | } | |
398 | } | |
399 | #Subnet in binary format? | |
400 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){ | |
401 | if($full == 0){ return &General::cidrtosub($mask);}else{ | |
402 | return $net."/".&General::cidrtosub($mask); | |
403 | } | |
404 | }else{ | |
405 | return 3; | |
406 | } | |
407 | return 3; | |
408 | } | |
409 | ||
410 | ||
411 | sub iporsubtocidr | |
412 | { | |
413 | #gets: Ip Address or subnetmask in decimal oder CIDR | |
414 | #Gives: What it gets only in CIDR format | |
415 | my $subnet=$_[0]; | |
416 | my $net; | |
417 | my $mask; | |
418 | my $full=0; | |
419 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
420 | ($net,$mask) = split (/\//,$subnet); | |
421 | $full=1; | |
422 | }else{ | |
423 | $mask=$subnet; | |
424 | } | |
425 | #Subnet in decimal and valid? | |
426 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
427 | for (my $i=8;$i<=32;$i++){ | |
428 | if (&General::cidrtosub($i) eq $mask){ | |
429 | if ($full == 0){return &General::subtocidr($mask);}else{ | |
430 | return $net."/".&General::subtocidr($mask); | |
431 | } | |
432 | } | |
433 | } | |
434 | } | |
435 | #Subnet already in binary format? | |
436 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){ | |
437 | if($full == 0){ return $mask;}else{ | |
438 | return $net."/".$mask; | |
439 | } | |
440 | }else{ | |
441 | return 3; | |
442 | } | |
443 | return 3; | |
444 | } | |
445 | ||
446 | sub getnetworkip | |
447 | { | |
448 | #Gets: IP, CIDR (10.10.10.0-255, 24) | |
449 | #Gives: 10.10.10.0 | |
450 | my ($ccdip,$ccdsubnet) = @_; | |
451 | my $ip_address_binary = inet_aton( $ccdip ); | |
452 | my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1); | |
453 | my $network_address = inet_ntoa( $ip_address_binary & $netmask_binary ); | |
454 | return $network_address; | |
455 | } | |
456 | ||
457 | sub getccdbc | |
458 | { | |
459 | #Gets: IP in Form ("192.168.0.0/24") | |
460 | #Gives: Broadcastaddress of network | |
461 | my $ccdnet=$_; | |
462 | my ($ccdip,$ccdsubnet) = split "/",$ccdnet; | |
463 | my $ip_address_binary = inet_aton( $ccdip ); | |
464 | my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1); | |
465 | my $broadcast_address = inet_ntoa( $ip_address_binary | ~$netmask_binary ); | |
466 | return $broadcast_address; | |
467 | } | |
e81be1e1 AM |
468 | |
469 | sub ip2dec | |
470 | { | |
471 | my $ip_num; | |
472 | my $ip=$_[0]; | |
473 | if ( $ip =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/ ) { | |
474 | $ip_num = (($1*256**3) + ($2*256**2) + ($3*256) + $4); | |
475 | } else { | |
476 | $ip_num = -1; | |
477 | } | |
478 | $ip_num = (($1*256**3) + ($2*256**2) + ($3*256) + $4); | |
479 | return($ip_num); | |
480 | } | |
481 | ||
482 | sub dec2ip | |
483 | { | |
484 | my $ip; | |
485 | my $ip_num=$_[0]; | |
486 | my $o1=$ip_num%256; | |
487 | $ip_num=int($ip_num/256); | |
488 | my $o2=$ip_num%256; | |
489 | $ip_num=int($ip_num/256); | |
490 | my $o3=$ip_num%256; | |
491 | $ip_num=int($ip_num/256); | |
492 | my $o4=$ip_num%256; | |
493 | $ip="$o4.$o3.$o2.$o1"; | |
494 | return ($ip); | |
495 | } | |
496 | ||
8c877a82 AM |
497 | sub getnextip |
498 | { | |
e81be1e1 AM |
499 | my $decip=&ip2dec($_[0]); |
500 | $decip=$decip+4; | |
501 | return &dec2ip($decip); | |
8c877a82 | 502 | } |
e81be1e1 | 503 | |
8c877a82 AM |
504 | sub getlastip |
505 | { | |
e81be1e1 AM |
506 | my $decip=&ip2dec($_[0]); |
507 | $decip--; | |
508 | return &dec2ip($decip); | |
8c877a82 AM |
509 | } |
510 | ||
511 | sub validipandmask | |
512 | { | |
513 | #Gets: Ip address in 192.168.0.0/24 or 192.168.0.0/255.255.255.0 and checks if subnet valid | |
514 | #Gives: True bzw 0 if success or false | |
515 | my $ccdnet=$_[0]; | |
516 | my $subcidr; | |
517 | ||
518 | if (!($ccdnet =~ /^(.*?)\/(.*?)$/)) { | |
519 | return 0; | |
520 | } | |
521 | my ($ccdip,$ccdsubnet)=split (/\//, $ccdnet); | |
522 | #IP valid? | |
523 | if ($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 && $4<=255 ))) { | |
524 | #Subnet in decimal and valid? | |
525 | if ($ccdsubnet=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
290007b3 | 526 | for (my $i=8;$i<=32;$i++){ |
8c877a82 AM |
527 | if (&General::cidrtosub($i) eq $ccdsubnet){ |
528 | return 1; | |
529 | } | |
530 | } | |
531 | #Subnet already in binary format? | |
290007b3 | 532 | }elsif ($ccdsubnet=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){ |
8c877a82 AM |
533 | return 1; |
534 | }else{ | |
535 | return 0; | |
536 | } | |
537 | ||
538 | } | |
539 | return 0; | |
ac1cfefa MT |
540 | } |
541 | ||
e2429e8d AM |
542 | sub checksubnets |
543 | { | |
e2429e8d AM |
544 | my %ccdconfhash=(); |
545 | my @ccdconf=(); | |
546 | my $ccdname=$_[0]; | |
547 | my $ccdnet=$_[1]; | |
548 | my $errormessage; | |
549 | my ($ip,$cidr)=split(/\//,$ccdnet); | |
550 | $cidr=&iporsubtocidr($cidr); | |
e2429e8d AM |
551 | #get OVPN-Subnet (dynamic range) |
552 | my %ovpnconf=(); | |
553 | &readhash("${General::swroot}/ovpn/settings", \%ovpnconf); | |
554 | my ($ovpnip,$ovpncidr)= split (/\//,$ovpnconf{'DOVPN_SUBNET'}); | |
555 | $ovpncidr=&iporsubtocidr($ovpncidr); | |
e2429e8d AM |
556 | #check if we try to use same network as ovpn server |
557 | if ("$ip/$cidr" eq "$ovpnip/$ovpncidr") { | |
558 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnnet'}."<br>"; | |
559 | return $errormessage; | |
560 | } | |
e2429e8d AM |
561 | #check if we use a network-name/subnet that already exists |
562 | &readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash); | |
563 | foreach my $key (keys %ccdconfhash) { | |
564 | @ccdconf=split(/\//,$ccdconfhash{$key}[1]); | |
565 | if ($ccdname eq $ccdconfhash{$key}[0]) | |
566 | { | |
567 | $errormessage=$errormessage.$Lang::tr{'ccd err nameexist'}."<br>"; | |
568 | return $errormessage; | |
569 | } | |
570 | my ($newip,$newsub) = split(/\//,$ccdnet); | |
571 | if (&IpInSubnet($newip,$ccdconf[0],&iporsubtodec($ccdconf[1]))) | |
572 | { | |
573 | $errormessage=$errormessage.$Lang::tr{'ccd err issubnet'}."<br>"; | |
574 | return $errormessage; | |
575 | } | |
e2429e8d | 576 | } |
e2429e8d AM |
577 | #check if we use a ipsec right network which is already defined |
578 | my %ipsecconf=(); | |
579 | &General::readhasharray("${General::swroot}/vpn/config", \%ipsecconf); | |
580 | foreach my $key (keys %ipsecconf){ | |
581 | if ($ipsecconf{$key}[11] ne ''){ | |
e2429e8d AM |
582 | my ($ipsecip,$ipsecsub) = split (/\//, $ipsecconf{$key}[11]); |
583 | $ipsecsub=&iporsubtodec($ipsecsub); | |
f7e3d208 AM |
584 | if($ipsecconf{$key}[1] ne $ccdname){ |
585 | if ( &IpInSubnet ($ip,$ipsecip,$ipsecsub) ){ | |
ac2f7107 | 586 | $errormessage=$Lang::tr{'ccd err isipsecnet'}." Name: $ipsecconf{$key}[1]"; |
f7e3d208 AM |
587 | return $errormessage; |
588 | } | |
e2429e8d AM |
589 | } |
590 | } | |
591 | } | |
e2429e8d AM |
592 | #check if we use one of ipfire's networks (green,orange,blue) |
593 | my %ownnet=(); | |
594 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); | |
595 | 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 $errormessage;} | |
596 | if (($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 $errormessage;} | |
597 | if (($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 $errormessage;} | |
598 | if (($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 |
599 | } |
600 | ||
601 | ||
ac1cfefa MT |
602 | sub validport |
603 | { | |
604 | $_ = $_[0]; | |
605 | ||
606 | if (!/^\d+$/) { | |
607 | return 0; } | |
608 | if (/^0./) { | |
609 | return 0; } | |
610 | if ($_ >= 1 && $_ <= 65535) { | |
611 | return 1; } | |
612 | return 0; | |
613 | } | |
614 | ||
d30ea451 CS |
615 | sub validproxyport |
616 | { | |
617 | $_ = $_[0]; | |
618 | ||
619 | if (!/^\d+$/) { | |
620 | return 0; } | |
621 | if (/^0./) { | |
622 | return 0; } | |
623 | if ($_ == 53 || $_ == 222 || $_ == 444 || $_ == 81 ) { | |
624 | return 0; } | |
625 | elsif ($_ >= 1 && $_ <= 65535) { | |
626 | return 1; } | |
627 | return 0; | |
628 | } | |
629 | ||
ac1cfefa MT |
630 | sub validmac |
631 | { | |
632 | my $checkmac = $_[0]; | |
633 | my $ot = '[0-9a-f]{2}'; # 2 Hex digits (one octet) | |
634 | if ($checkmac !~ /^$ot:$ot:$ot:$ot:$ot:$ot$/i) | |
635 | { | |
636 | return 0; | |
637 | } | |
638 | return 1; | |
639 | } | |
640 | ||
641 | sub validhostname | |
642 | { | |
643 | # Checks a hostname against RFC1035 | |
644 | my $hostname = $_[0]; | |
645 | ||
646 | # Each part should be at least two characters in length | |
647 | # but no more than 63 characters | |
648 | if (length ($hostname) < 1 || length ($hostname) > 63) { | |
649 | return 0;} | |
650 | # Only valid characters are a-z, A-Z, 0-9 and - | |
8c877a82 | 651 | if ($hostname !~ /^[a-zA-Z0-9-\s]*$/) { |
ac1cfefa MT |
652 | return 0;} |
653 | # First character can only be a letter or a digit | |
654 | if (substr ($hostname, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
655 | return 0;} | |
656 | # Last character can only be a letter or a digit | |
657 | if (substr ($hostname, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
658 | return 0;} | |
659 | return 1; | |
660 | } | |
661 | ||
662 | sub validdomainname | |
663 | { | |
664 | my $part; | |
665 | ||
666 | # Checks a domain name against RFC1035 | |
667 | my $domainname = $_[0]; | |
668 | my @parts = split (/\./, $domainname); # Split hostname at the '.' | |
669 | ||
670 | foreach $part (@parts) { | |
671 | # Each part should be at least two characters in length | |
672 | # but no more than 63 characters | |
673 | if (length ($part) < 2 || length ($part) > 63) { | |
674 | return 0;} | |
675 | # Only valid characters are a-z, A-Z, 0-9 and - | |
676 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
677 | return 0;} | |
678 | # First character can only be a letter or a digit | |
679 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
680 | return 0;} | |
681 | # Last character can only be a letter or a digit | |
682 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
683 | return 0;} | |
684 | } | |
685 | return 1; | |
686 | } | |
687 | ||
688 | sub validfqdn | |
689 | { | |
690 | my $part; | |
691 | ||
692 | # Checks a fully qualified domain name against RFC1035 | |
693 | my $fqdn = $_[0]; | |
694 | my @parts = split (/\./, $fqdn); # Split hostname at the '.' | |
695 | if (scalar(@parts) < 2) { # At least two parts should | |
696 | return 0;} # exist in a FQDN | |
697 | # (i.e. hostname.domain) | |
698 | foreach $part (@parts) { | |
699 | # Each part should be at least one character in length | |
700 | # but no more than 63 characters | |
701 | if (length ($part) < 1 || length ($part) > 63) { | |
702 | return 0;} | |
703 | # Only valid characters are a-z, A-Z, 0-9 and - | |
704 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
705 | return 0;} | |
706 | # First character can only be a letter or a digit | |
707 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
708 | return 0;} | |
709 | # Last character can only be a letter or a digit | |
710 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
711 | return 0;} | |
712 | } | |
713 | return 1; | |
714 | } | |
715 | ||
716 | sub validportrange # used to check a port range | |
717 | { | |
718 | my $port = $_[0]; # port values | |
719 | $port =~ tr/-/:/; # replace all - with colons just in case someone used - | |
720 | my $srcdst = $_[1]; # is it a source or destination port | |
721 | ||
722 | if (!($port =~ /^(\d+)\:(\d+)$/)) { | |
723 | ||
724 | if (!(&validport($port))) { | |
725 | if ($srcdst eq 'src'){ | |
726 | return $Lang::tr{'source port numbers'}; | |
727 | } else { | |
728 | return $Lang::tr{'destination port numbers'}; | |
729 | } | |
730 | } | |
731 | } | |
732 | else | |
733 | { | |
734 | my @ports = ($1, $2); | |
735 | if ($1 >= $2){ | |
736 | if ($srcdst eq 'src'){ | |
737 | return $Lang::tr{'bad source range'}; | |
738 | } else { | |
739 | return $Lang::tr{'bad destination range'}; | |
740 | } | |
741 | } | |
742 | foreach $_ (@ports) | |
743 | { | |
744 | if (!(&validport($_))) { | |
745 | if ($srcdst eq 'src'){ | |
746 | return $Lang::tr{'source port numbers'}; | |
747 | } else { | |
748 | return $Lang::tr{'destination port numbers'}; | |
749 | } | |
750 | } | |
751 | } | |
752 | return; | |
753 | } | |
754 | } | |
755 | ||
756 | # Test if IP is within a subnet | |
757 | # Call: IpInSubnet (Addr, Subnet, Subnet Mask) | |
758 | # Subnet can be an IP of the subnet: 10.0.0.0 or 10.0.0.1 | |
759 | # Everything in dottted notation | |
760 | # Return: TRUE/FALSE | |
761 | sub IpInSubnet | |
762 | { | |
763 | my $ip = unpack('N', &Socket::inet_aton(shift)); | |
764 | my $start = unpack('N', &Socket::inet_aton(shift)); | |
765 | my $mask = unpack('N', &Socket::inet_aton(shift)); | |
766 | $start &= $mask; # base of subnet... | |
767 | my $end = $start + ~$mask; | |
768 | return (($ip >= $start) && ($ip <= $end)); | |
769 | } | |
770 | ||
c545beb1 MT |
771 | # |
772 | # Return the following IP (IP+1) in dotted notation. | |
773 | # Call: NextIP ('1.1.1.1'); | |
774 | # Return: '1.1.1.2' | |
775 | # | |
776 | sub NextIP | |
777 | { | |
778 | return &Socket::inet_ntoa( pack("N", 1 + unpack('N', &Socket::inet_aton(shift)) | |
779 | ) | |
780 | ); | |
781 | } | |
8c877a82 AM |
782 | sub NextIP2 |
783 | { | |
784 | return &Socket::inet_ntoa( pack("N", 4 + unpack('N', &Socket::inet_aton(shift)) | |
785 | ) | |
786 | ); | |
787 | } | |
45762fc6 AF |
788 | sub ipcidr |
789 | { | |
790 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); | |
791 | return "$ip\/$cidr"; | |
792 | } | |
793 | ||
54fd0535 MT |
794 | sub ipcidr2msk |
795 | { | |
796 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); | |
797 | my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr); | |
798 | return "$ip\/$netmask"; | |
799 | } | |
800 | ||
801 | ||
ac1cfefa MT |
802 | sub validemail { |
803 | my $mail = shift; | |
804 | return 0 if ( $mail !~ /^[0-9a-zA-Z\.\-\_]+\@[0-9a-zA-Z\.\-]+$/ ); | |
805 | return 0 if ( $mail =~ /^[^0-9a-zA-Z]|[^0-9a-zA-Z]$/); | |
806 | return 0 if ( $mail !~ /([0-9a-zA-Z]{1})\@./ ); | |
807 | return 0 if ( $mail !~ /.\@([0-9a-zA-Z]{1})/ ); | |
808 | return 0 if ( $mail =~ /.\.\-.|.\-\..|.\.\..|.\-\-./g ); | |
809 | return 0 if ( $mail =~ /.\.\_.|.\-\_.|.\_\..|.\_\-.|.\_\_./g ); | |
810 | return 0 if ( $mail !~ /\.([a-zA-Z]{2,4})$/ ); | |
811 | return 1; | |
812 | } | |
813 | ||
c545beb1 MT |
814 | # |
815 | # Currently only vpnmain use this three procs (readhasharray, writehasharray, findhasharray) | |
816 | # The 'key' used is numeric but is perfectly unneeded! This will to be removed so don't use | |
817 | # this code. Vpnmain will be splitted in parts: x509/pki, connection ipsec, connection other,... . | |
818 | # | |
ac1cfefa MT |
819 | sub readhasharray { |
820 | my ($filename, $hash) = @_; | |
821 | %$hash = (); | |
822 | ||
823 | open(FILE, $filename) or die "Unable to read file $filename"; | |
824 | ||
825 | while (<FILE>) { | |
826 | my ($key, $rest, @temp); | |
827 | chomp; | |
828 | ($key, $rest) = split (/,/, $_, 2); | |
c545beb1 | 829 | if ($key =~ /^[0-9]+$/) { |
ac1cfefa MT |
830 | @temp = split (/,/, $rest); |
831 | $hash->{$key} = \@temp; | |
832 | } | |
833 | } | |
834 | close FILE; | |
835 | return; | |
836 | } | |
837 | ||
838 | sub writehasharray { | |
839 | my ($filename, $hash) = @_; | |
840 | my ($key, @temp, $i); | |
841 | ||
842 | open(FILE, ">$filename") or die "Unable to write to file $filename"; | |
843 | ||
844 | foreach $key (keys %$hash) { | |
8c877a82 AM |
845 | if ($key =~ /^[0-9]+$/) { |
846 | print FILE "$key"; | |
847 | foreach $i (0 .. $#{$hash->{$key}}) { | |
848 | print FILE ",$hash->{$key}[$i]"; | |
849 | } | |
850 | print FILE "\n"; | |
851 | } | |
ac1cfefa MT |
852 | } |
853 | close FILE; | |
854 | return; | |
855 | } | |
856 | ||
857 | sub findhasharraykey { | |
858 | foreach my $i (1 .. 1000000) { | |
859 | if ( ! exists $_[0]{$i}) { | |
860 | return $i; | |
861 | } | |
862 | } | |
863 | } | |
864 | ||
865 | sub srtarray | |
866 | # Darren Critchley - darrenc@telus.net - (c) 2003 | |
867 | # &srtarray(SortOrder, AlphaNumeric, SortDirection, ArrayToBeSorted) | |
868 | # This subroutine will take the following parameters: | |
869 | # ColumnNumber = the column which you want to sort on, starts at 1 | |
870 | # AlphaNumberic = a or n (lowercase) defines whether the sort should be alpha or numberic | |
871 | # SortDirection = asc or dsc (lowercase) Ascending or Descending sort | |
872 | # ArrayToBeSorted = the array that wants sorting | |
873 | # | |
874 | # Returns an array that is sorted to your specs | |
875 | # | |
876 | # If SortOrder is greater than the elements in array, then it defaults to the first element | |
877 | # | |
878 | { | |
879 | my ($colno, $alpnum, $srtdir, @tobesorted) = @_; | |
880 | my @tmparray; | |
881 | my @srtedarray; | |
882 | my $line; | |
883 | my $newline; | |
884 | my $ctr; | |
885 | my $ttlitems = scalar @tobesorted; # want to know the number of rows in the passed array | |
886 | if ($ttlitems < 1){ # if no items, don't waste our time lets leave | |
887 | return (@tobesorted); | |
888 | } | |
889 | my @tmp = split(/\,/,$tobesorted[0]); | |
890 | $ttlitems = scalar @tmp; # this should be the number of elements in each row of the passed in array | |
891 | ||
892 | # Darren Critchley - validate parameters | |
893 | if ($colno > $ttlitems){$colno = '1';} | |
894 | $colno--; # remove one from colno to deal with arrays starting at 0 | |
895 | if($colno < 0){$colno = '0';} | |
896 | if ($alpnum ne '') { $alpnum = lc($alpnum); } else { $alpnum = 'a'; } | |
897 | if ($srtdir ne '') { $srtdir = lc($srtdir); } else { $srtdir = 'src'; } | |
898 | ||
899 | foreach $line (@tobesorted) | |
900 | { | |
901 | chomp($line); | |
902 | if ($line ne '') { | |
903 | my @temp = split(/\,/,$line); | |
904 | # Darren Critchley - juggle the fields so that the one we want to sort on is first | |
905 | my $tmpholder = $temp[0]; | |
906 | $temp[0] = $temp[$colno]; | |
907 | $temp[$colno] = $tmpholder; | |
908 | $newline = ""; | |
909 | for ($ctr=0; $ctr < $ttlitems ; $ctr++) { | |
910 | $newline=$newline . $temp[$ctr] . ","; | |
911 | } | |
912 | chop($newline); | |
913 | push(@tmparray,$newline); | |
914 | } | |
915 | } | |
916 | if ($alpnum eq 'n') { | |
917 | @tmparray = sort {$a <=> $b} @tmparray; | |
918 | } else { | |
919 | @tmparray = (sort @tmparray); | |
920 | } | |
921 | foreach $line (@tmparray) | |
922 | { | |
923 | chomp($line); | |
924 | if ($line ne '') { | |
925 | my @temp = split(/\,/,$line); | |
926 | my $tmpholder = $temp[0]; | |
927 | $temp[0] = $temp[$colno]; | |
928 | $temp[$colno] = $tmpholder; | |
929 | $newline = ""; | |
930 | for ($ctr=0; $ctr < $ttlitems ; $ctr++){ | |
931 | $newline=$newline . $temp[$ctr] . ","; | |
932 | } | |
933 | chop($newline); | |
934 | push(@srtedarray,$newline); | |
935 | } | |
936 | } | |
937 | ||
938 | if ($srtdir eq 'dsc') { | |
939 | @tmparray = reverse(@srtedarray); | |
940 | return (@tmparray); | |
941 | } else { | |
942 | return (@srtedarray); | |
943 | } | |
944 | } | |
945 | ||
946 | sub FetchPublicIp { | |
947 | my %proxysettings; | |
948 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
949 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
950 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
951 | Net::SSLeay::set_proxy($peer,$peerport,$proxysettings{'UPSTREAM_USER'},$proxysettings{'UPSTREAM_PASSWORD'} ); | |
952 | } | |
b2f8244a | 953 | my $user_agent = &MakeUserAgent(); |
0aa0cdcd | 954 | my ($out, $response) = Net::SSLeay::get_http( 'checkip4.dns.lightningwirelabs.com', |
ac1cfefa MT |
955 | 80, |
956 | "/", | |
b2f8244a | 957 | Net::SSLeay::make_headers('User-Agent' => $user_agent ) |
ac1cfefa MT |
958 | ); |
959 | if ($response =~ m%HTTP/1\.. 200 OK%) { | |
5a2935b1 | 960 | $out =~ /Your IP address is: (\d+.\d+.\d+.\d+)/; |
ac1cfefa MT |
961 | return $1; |
962 | } | |
963 | return ''; | |
964 | } | |
965 | ||
966 | # | |
967 | # Check if hostname.domain provided have IP provided | |
968 | # use gethostbyname to verify that | |
969 | # Params: | |
970 | # IP | |
971 | # hostname | |
972 | # domain | |
973 | # Output | |
974 | # 1 IP matches host.domain | |
975 | # 0 not in sync | |
976 | # | |
977 | sub DyndnsServiceSync ($;$;$) { | |
978 | ||
979 | my ($ip,$hostName,$domain) = @_; | |
980 | my @addresses; | |
981 | ||
982 | #fix me no ip GROUP, what is the name ? | |
983 | $hostName =~ s/$General::noipprefix//; | |
984 | if ($hostName) { #may be empty | |
985 | $hostName = "$hostName.$domain"; | |
986 | @addresses = gethostbyname($hostName); | |
987 | } | |
988 | ||
989 | if ($addresses[0] eq '') { # nothing returned ? | |
990 | $hostName = $domain; # try resolving with domain only | |
991 | @addresses = gethostbyname($hostName); | |
992 | } | |
993 | ||
994 | if ($addresses[0] ne '') { # got something ? | |
995 | #&General::log("name:$addresses[0], alias:$addresses[1]"); | |
996 | # Build clear text list of IP | |
997 | @addresses = map ( &Socket::inet_ntoa($_), @addresses[4..$#addresses]); | |
998 | if (grep (/$ip/, @addresses)) { | |
999 | return 1; | |
1000 | } | |
1001 | } | |
1002 | return 0; | |
1003 | } | |
1004 | # | |
1005 | # This sub returns the red IP used to compare in DyndnsServiceSync | |
1006 | # | |
1007 | sub GetDyndnsRedIP { | |
1008 | my %settings; | |
1009 | &General::readhash("${General::swroot}/ddns/settings", \%settings); | |
1010 | ||
1011 | open(IP, "${General::swroot}/red/local-ipaddress") or return 'unavailable'; | |
1012 | my $ip = <IP>; | |
1013 | close(IP); | |
1014 | chomp $ip; | |
1015 | ||
057dbeeb | 1016 | # 100.64.0.0/10 is reserved for dual-stack lite (http://tools.ietf.org/html/rfc6598). |
ac1cfefa MT |
1017 | if (&General::IpInSubnet ($ip,'10.0.0.0','255.0.0.0') || |
1018 | &General::IpInSubnet ($ip,'172.16.0.0.','255.240.0.0') || | |
057dbeeb MT |
1019 | &General::IpInSubnet ($ip,'192.168.0.0','255.255.0.0') || |
1020 | &General::IpInSubnet ($ip,'100.64.0.0', '255.192.0.0')) | |
ac1cfefa MT |
1021 | { |
1022 | if ($settings{'BEHINDROUTER'} eq 'FETCH_IP') { | |
1023 | my $RealIP = &General::FetchPublicIp; | |
1024 | $ip = (&General::validip ($RealIP) ? $RealIP : 'unavailable'); | |
1025 | } | |
1026 | } | |
1027 | return $ip; | |
1028 | } | |
c545beb1 MT |
1029 | |
1030 | # Translate ICMP code to text | |
1031 | # ref: http://www.iana.org/assignments/icmp-parameters | |
1032 | sub GetIcmpDescription ($) { | |
1033 | my $index = shift; | |
1034 | my @icmp_description = ( | |
1035 | 'Echo Reply', #0 | |
1036 | 'Unassigned', | |
1037 | 'Unassigned', | |
1038 | 'Destination Unreachable', | |
1039 | 'Source Quench', | |
1040 | 'Redirect', | |
1041 | 'Alternate Host Address', | |
1042 | 'Unassigned', | |
1043 | 'Echo', | |
1044 | 'Router Advertisement', | |
1045 | 'Router Solicitation', #10 | |
1046 | 'Time Exceeded', | |
1047 | 'Parameter Problem', | |
1048 | 'Timestamp', | |
1049 | 'Timestamp Reply', | |
1050 | 'Information Request', | |
1051 | 'Information Reply', | |
1052 | 'Address Mask Request', | |
1053 | 'Address Mask Reply', | |
1054 | 'Reserved (for Security)', | |
1055 | 'Reserved (for Robustness Experiment)', #20 | |
1056 | 'Reserved', | |
1057 | 'Reserved', | |
1058 | 'Reserved', | |
1059 | 'Reserved', | |
1060 | 'Reserved', | |
1061 | 'Reserved', | |
1062 | 'Reserved', | |
1063 | 'Reserved', | |
1064 | 'Reserved', | |
1065 | 'Traceroute', #30 | |
1066 | 'Datagram Conversion Error', | |
1067 | 'Mobile Host Redirect', | |
1068 | 'IPv6 Where-Are-You', | |
1069 | 'IPv6 I-Am-Here', | |
1070 | 'Mobile Registration Request', | |
1071 | 'Mobile Registration Reply', | |
1072 | 'Domain Name Request', | |
1073 | 'Domain Name Reply', | |
1074 | 'SKIP', | |
1075 | 'Photur', #40 | |
1076 | 'Experimental'); | |
1077 | if ($index>41) {return 'unknown'} else {return @icmp_description[$index]}; | |
1078 | } | |
b2f8244a MT |
1079 | |
1080 | sub GetCoreUpdateVersion() { | |
1081 | my $core_update; | |
1082 | ||
1083 | open(FILE, "/opt/pakfire/db/core/mine"); | |
1084 | while (<FILE>) { | |
1085 | $core_update = $_; | |
1086 | last; | |
1087 | } | |
1088 | close(FILE); | |
1089 | ||
1090 | return $core_update; | |
1091 | } | |
1092 | ||
1093 | sub MakeUserAgent() { | |
1094 | my $user_agent = "IPFire/$General::version"; | |
1095 | ||
1096 | my $core_update = &GetCoreUpdateVersion(); | |
1097 | if ($core_update ne "") { | |
1098 | $user_agent .= "/$core_update"; | |
1099 | } | |
1100 | ||
1101 | return $user_agent; | |
1102 | } | |
1103 | ||
61027579 MT |
1104 | sub RedIsWireless() { |
1105 | # This function checks if a network device is a wireless device. | |
1106 | ||
1107 | my %settings = (); | |
1108 | &readhash("${General::swroot}/ethernet/settings", \%settings); | |
1109 | ||
1110 | # Find the name of the network device. | |
1111 | my $device = $settings{'RED_DEV'}; | |
1112 | ||
1113 | # Exit, if no device is configured. | |
1114 | return 0 if ($device eq ""); | |
1115 | ||
1116 | # Return 1 if the device is a wireless one. | |
1117 | my $path = "/sys/class/net/$device/wireless"; | |
1118 | if (-d $path) { | |
1119 | return 1; | |
1120 | } | |
1121 | ||
1122 | # Otherwise return zero. | |
1123 | return 0; | |
1124 | } | |
1125 | ||
dfee7582 SS |
1126 | # Function to read a file with UTF-8 charset. |
1127 | sub read_file_utf8 ($) { | |
1128 | my ($file) = @_; | |
1129 | ||
1130 | open my $in, '<:encoding(UTF-8)', $file or die "Could not open '$file' for reading $!"; | |
1131 | local $/ = undef; | |
1132 | my $all = <$in>; | |
1133 | close $in; | |
1134 | ||
3e862ce4 | 1135 | return $all; |
dfee7582 SS |
1136 | } |
1137 | ||
1138 | # Function to write a file with UTF-8 charset. | |
1139 | sub write_file_utf8 ($) { | |
1140 | my ($file, $content) = @_; | |
1141 | ||
1142 | open my $out, '>:encoding(UTF-8)', $file or die "Could not open '$file' for writing $!";; | |
1143 | print $out $content; | |
1144 | close $out; | |
1145 | ||
1146 | return; | |
1147 | } | |
1148 | ||
ac1cfefa | 1149 | 1; |