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