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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; |
ac1cfefa MT |
21 | |
22 | $|=1; # line buffering | |
23 | ||
24 | $General::version = 'VERSION'; | |
25 | $General::swroot = 'CONFIG_ROOT'; | |
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 MT |
41 | } |
42 | ||
43 | sub readhash | |
44 | { | |
45 | my $filename = $_[0]; | |
46 | my $hash = $_[1]; | |
47 | my ($var, $val); | |
48 | ||
49 | ||
50 | # Some ipcop code expects that readhash 'complete' the hash if new entries | |
51 | # are presents. Not clear it !!! | |
52 | #%$hash = (); | |
53 | ||
54 | open(FILE, $filename) or die "Unable to read file $filename"; | |
55 | ||
56 | while (<FILE>) | |
57 | { | |
58 | chop; | |
59 | ($var, $val) = split /=/, $_, 2; | |
60 | if ($var) | |
61 | { | |
62 | $val =~ s/^\'//g; | |
63 | $val =~ s/\'$//g; | |
64 | ||
65 | # Untaint variables read from hash | |
77007ce5 MT |
66 | # trim space from begin and end |
67 | $var =~ s/^\s+//; | |
68 | $var =~ s/\s+$//; | |
69 | $var =~ /([A-Za-z0-9_-]*)/; | |
70 | $var = $1; | |
71 | $val =~ /([\w\W]*)/; | |
72 | $val = $1; | |
ac1cfefa MT |
73 | $hash->{$var} = $val; |
74 | } | |
75 | } | |
76 | close FILE; | |
77 | } | |
78 | ||
79 | ||
80 | sub writehash | |
81 | { | |
82 | my $filename = $_[0]; | |
83 | my $hash = $_[1]; | |
84 | my ($var, $val); | |
85 | ||
86 | # write cgi vars to the file. | |
87 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
88 | flock FILE, 2; | |
89 | foreach $var (keys %$hash) | |
90 | { | |
91 | $val = $hash->{$var}; | |
92 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
93 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
94 | # some serious grief! This skips the variable.x and variable.y | |
95 | if (!($var =~ /(.x|.y)$/)) { | |
96 | if ($val =~ / /) { | |
97 | $val = "\'$val\'"; } | |
98 | if (!($var =~ /^ACTION/)) { | |
99 | print FILE "${var}=${val}\n"; } | |
100 | } | |
101 | } | |
102 | close FILE; | |
103 | } | |
104 | ||
105 | ||
106 | sub age | |
107 | { | |
108 | my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, | |
109 | $atime, $mtime, $ctime, $blksize, $blocks) = stat $_[0]; | |
110 | my $now = time; | |
111 | ||
112 | my $totalsecs = $now - $mtime; | |
113 | my $days = int($totalsecs / 86400); | |
114 | my $totalhours = int($totalsecs / 3600); | |
115 | my $hours = $totalhours % 24; | |
116 | my $totalmins = int($totalsecs / 60); | |
117 | my $mins = $totalmins % 60; | |
118 | my $secs = $totalsecs % 60; | |
119 | ||
120 | return "${days}d ${hours}h ${mins}m ${secs}s"; | |
121 | } | |
122 | ||
123 | sub validip | |
124 | { | |
125 | my $ip = $_[0]; | |
126 | ||
127 | if (!($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)) { | |
128 | return 0; } | |
129 | else | |
130 | { | |
131 | my @octets = ($1, $2, $3, $4); | |
132 | foreach $_ (@octets) | |
133 | { | |
134 | if (/^0./) { | |
135 | return 0; } | |
136 | if ($_ < 0 || $_ > 255) { | |
137 | return 0; } | |
138 | } | |
139 | return 1; | |
140 | } | |
141 | } | |
142 | ||
143 | sub validmask | |
144 | { | |
145 | my $mask = $_[0]; | |
146 | ||
147 | # secord part an ip? | |
148 | if (&validip($mask)) { | |
149 | return 1; } | |
150 | # second part a number? | |
151 | if (/^0/) { | |
152 | return 0; } | |
153 | if (!($mask =~ /^\d+$/)) { | |
154 | return 0; } | |
155 | if ($mask >= 0 && $mask <= 32) { | |
156 | return 1; } | |
157 | return 0; | |
158 | } | |
159 | ||
160 | sub validipormask | |
161 | { | |
162 | my $ipormask = $_[0]; | |
163 | ||
164 | # see if it is a IP only. | |
165 | if (&validip($ipormask)) { | |
166 | return 1; } | |
167 | # split it into number and mask. | |
168 | if (!($ipormask =~ /^(.*?)\/(.*?)$/)) { | |
169 | return 0; } | |
170 | my $ip = $1; | |
171 | my $mask = $2; | |
172 | # first part not a ip? | |
173 | if (!(&validip($ip))) { | |
174 | return 0; } | |
175 | return &validmask($mask); | |
176 | } | |
177 | ||
178 | sub validipandmask | |
179 | { | |
180 | my $ipandmask = $_[0]; | |
181 | ||
182 | # split it into number and mask. | |
183 | if (!($ipandmask =~ /^(.*?)\/(.*?)$/)) { | |
184 | return 0; } | |
185 | my $ip = $1; | |
186 | my $mask = $2; | |
187 | # first part not a ip? | |
188 | if (!(&validip($ip))) { | |
189 | return 0; } | |
190 | return &validmask($mask); | |
191 | } | |
192 | ||
193 | sub validport | |
194 | { | |
195 | $_ = $_[0]; | |
196 | ||
197 | if (!/^\d+$/) { | |
198 | return 0; } | |
199 | if (/^0./) { | |
200 | return 0; } | |
201 | if ($_ >= 1 && $_ <= 65535) { | |
202 | return 1; } | |
203 | return 0; | |
204 | } | |
205 | ||
d30ea451 CS |
206 | sub validproxyport |
207 | { | |
208 | $_ = $_[0]; | |
209 | ||
210 | if (!/^\d+$/) { | |
211 | return 0; } | |
212 | if (/^0./) { | |
213 | return 0; } | |
214 | if ($_ == 53 || $_ == 222 || $_ == 444 || $_ == 81 ) { | |
215 | return 0; } | |
216 | elsif ($_ >= 1 && $_ <= 65535) { | |
217 | return 1; } | |
218 | return 0; | |
219 | } | |
220 | ||
ac1cfefa MT |
221 | sub validmac |
222 | { | |
223 | my $checkmac = $_[0]; | |
224 | my $ot = '[0-9a-f]{2}'; # 2 Hex digits (one octet) | |
225 | if ($checkmac !~ /^$ot:$ot:$ot:$ot:$ot:$ot$/i) | |
226 | { | |
227 | return 0; | |
228 | } | |
229 | return 1; | |
230 | } | |
231 | ||
232 | sub validhostname | |
233 | { | |
234 | # Checks a hostname against RFC1035 | |
235 | my $hostname = $_[0]; | |
236 | ||
237 | # Each part should be at least two characters in length | |
238 | # but no more than 63 characters | |
239 | if (length ($hostname) < 1 || length ($hostname) > 63) { | |
240 | return 0;} | |
241 | # Only valid characters are a-z, A-Z, 0-9 and - | |
242 | if ($hostname !~ /^[a-zA-Z0-9-]*$/) { | |
243 | return 0;} | |
244 | # First character can only be a letter or a digit | |
245 | if (substr ($hostname, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
246 | return 0;} | |
247 | # Last character can only be a letter or a digit | |
248 | if (substr ($hostname, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
249 | return 0;} | |
250 | return 1; | |
251 | } | |
252 | ||
253 | sub validdomainname | |
254 | { | |
255 | my $part; | |
256 | ||
257 | # Checks a domain name against RFC1035 | |
258 | my $domainname = $_[0]; | |
259 | my @parts = split (/\./, $domainname); # Split hostname at the '.' | |
260 | ||
261 | foreach $part (@parts) { | |
262 | # Each part should be at least two characters in length | |
263 | # but no more than 63 characters | |
264 | if (length ($part) < 2 || length ($part) > 63) { | |
265 | return 0;} | |
266 | # Only valid characters are a-z, A-Z, 0-9 and - | |
267 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
268 | return 0;} | |
269 | # First character can only be a letter or a digit | |
270 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
271 | return 0;} | |
272 | # Last character can only be a letter or a digit | |
273 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
274 | return 0;} | |
275 | } | |
276 | return 1; | |
277 | } | |
278 | ||
279 | sub validfqdn | |
280 | { | |
281 | my $part; | |
282 | ||
283 | # Checks a fully qualified domain name against RFC1035 | |
284 | my $fqdn = $_[0]; | |
285 | my @parts = split (/\./, $fqdn); # Split hostname at the '.' | |
286 | if (scalar(@parts) < 2) { # At least two parts should | |
287 | return 0;} # exist in a FQDN | |
288 | # (i.e. hostname.domain) | |
289 | foreach $part (@parts) { | |
290 | # Each part should be at least one character in length | |
291 | # but no more than 63 characters | |
292 | if (length ($part) < 1 || length ($part) > 63) { | |
293 | return 0;} | |
294 | # Only valid characters are a-z, A-Z, 0-9 and - | |
295 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
296 | return 0;} | |
297 | # First character can only be a letter or a digit | |
298 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
299 | return 0;} | |
300 | # Last character can only be a letter or a digit | |
301 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
302 | return 0;} | |
303 | } | |
304 | return 1; | |
305 | } | |
306 | ||
307 | sub validportrange # used to check a port range | |
308 | { | |
309 | my $port = $_[0]; # port values | |
310 | $port =~ tr/-/:/; # replace all - with colons just in case someone used - | |
311 | my $srcdst = $_[1]; # is it a source or destination port | |
312 | ||
313 | if (!($port =~ /^(\d+)\:(\d+)$/)) { | |
314 | ||
315 | if (!(&validport($port))) { | |
316 | if ($srcdst eq 'src'){ | |
317 | return $Lang::tr{'source port numbers'}; | |
318 | } else { | |
319 | return $Lang::tr{'destination port numbers'}; | |
320 | } | |
321 | } | |
322 | } | |
323 | else | |
324 | { | |
325 | my @ports = ($1, $2); | |
326 | if ($1 >= $2){ | |
327 | if ($srcdst eq 'src'){ | |
328 | return $Lang::tr{'bad source range'}; | |
329 | } else { | |
330 | return $Lang::tr{'bad destination range'}; | |
331 | } | |
332 | } | |
333 | foreach $_ (@ports) | |
334 | { | |
335 | if (!(&validport($_))) { | |
336 | if ($srcdst eq 'src'){ | |
337 | return $Lang::tr{'source port numbers'}; | |
338 | } else { | |
339 | return $Lang::tr{'destination port numbers'}; | |
340 | } | |
341 | } | |
342 | } | |
343 | return; | |
344 | } | |
345 | } | |
346 | ||
347 | # Test if IP is within a subnet | |
348 | # Call: IpInSubnet (Addr, Subnet, Subnet Mask) | |
349 | # Subnet can be an IP of the subnet: 10.0.0.0 or 10.0.0.1 | |
350 | # Everything in dottted notation | |
351 | # Return: TRUE/FALSE | |
352 | sub IpInSubnet | |
353 | { | |
354 | my $ip = unpack('N', &Socket::inet_aton(shift)); | |
355 | my $start = unpack('N', &Socket::inet_aton(shift)); | |
356 | my $mask = unpack('N', &Socket::inet_aton(shift)); | |
357 | $start &= $mask; # base of subnet... | |
358 | my $end = $start + ~$mask; | |
359 | return (($ip >= $start) && ($ip <= $end)); | |
360 | } | |
361 | ||
c545beb1 MT |
362 | # |
363 | # Return the following IP (IP+1) in dotted notation. | |
364 | # Call: NextIP ('1.1.1.1'); | |
365 | # Return: '1.1.1.2' | |
366 | # | |
367 | sub NextIP | |
368 | { | |
369 | return &Socket::inet_ntoa( pack("N", 1 + unpack('N', &Socket::inet_aton(shift)) | |
370 | ) | |
371 | ); | |
372 | } | |
373 | ||
ac1cfefa MT |
374 | sub validemail { |
375 | my $mail = shift; | |
376 | return 0 if ( $mail !~ /^[0-9a-zA-Z\.\-\_]+\@[0-9a-zA-Z\.\-]+$/ ); | |
377 | return 0 if ( $mail =~ /^[^0-9a-zA-Z]|[^0-9a-zA-Z]$/); | |
378 | return 0 if ( $mail !~ /([0-9a-zA-Z]{1})\@./ ); | |
379 | return 0 if ( $mail !~ /.\@([0-9a-zA-Z]{1})/ ); | |
380 | return 0 if ( $mail =~ /.\.\-.|.\-\..|.\.\..|.\-\-./g ); | |
381 | return 0 if ( $mail =~ /.\.\_.|.\-\_.|.\_\..|.\_\-.|.\_\_./g ); | |
382 | return 0 if ( $mail !~ /\.([a-zA-Z]{2,4})$/ ); | |
383 | return 1; | |
384 | } | |
385 | ||
c545beb1 MT |
386 | # |
387 | # Currently only vpnmain use this three procs (readhasharray, writehasharray, findhasharray) | |
388 | # The 'key' used is numeric but is perfectly unneeded! This will to be removed so don't use | |
389 | # this code. Vpnmain will be splitted in parts: x509/pki, connection ipsec, connection other,... . | |
390 | # | |
ac1cfefa MT |
391 | sub readhasharray { |
392 | my ($filename, $hash) = @_; | |
393 | %$hash = (); | |
394 | ||
395 | open(FILE, $filename) or die "Unable to read file $filename"; | |
396 | ||
397 | while (<FILE>) { | |
398 | my ($key, $rest, @temp); | |
399 | chomp; | |
400 | ($key, $rest) = split (/,/, $_, 2); | |
c545beb1 | 401 | if ($key =~ /^[0-9]+$/) { |
ac1cfefa MT |
402 | @temp = split (/,/, $rest); |
403 | $hash->{$key} = \@temp; | |
404 | } | |
405 | } | |
406 | close FILE; | |
407 | return; | |
408 | } | |
409 | ||
410 | sub writehasharray { | |
411 | my ($filename, $hash) = @_; | |
412 | my ($key, @temp, $i); | |
413 | ||
414 | open(FILE, ">$filename") or die "Unable to write to file $filename"; | |
415 | ||
416 | foreach $key (keys %$hash) { | |
c545beb1 | 417 | if ($key =~ /^[0-9]+$/) { |
ac1cfefa MT |
418 | print FILE "$key"; |
419 | foreach $i (0 .. $#{$hash->{$key}}) { | |
420 | print FILE ",$hash->{$key}[$i]"; | |
421 | } | |
c545beb1 | 422 | print FILE "\n"; |
ac1cfefa | 423 | } |
ac1cfefa MT |
424 | } |
425 | close FILE; | |
426 | return; | |
427 | } | |
428 | ||
429 | sub findhasharraykey { | |
430 | foreach my $i (1 .. 1000000) { | |
431 | if ( ! exists $_[0]{$i}) { | |
432 | return $i; | |
433 | } | |
434 | } | |
435 | } | |
436 | ||
437 | sub srtarray | |
438 | # Darren Critchley - darrenc@telus.net - (c) 2003 | |
439 | # &srtarray(SortOrder, AlphaNumeric, SortDirection, ArrayToBeSorted) | |
440 | # This subroutine will take the following parameters: | |
441 | # ColumnNumber = the column which you want to sort on, starts at 1 | |
442 | # AlphaNumberic = a or n (lowercase) defines whether the sort should be alpha or numberic | |
443 | # SortDirection = asc or dsc (lowercase) Ascending or Descending sort | |
444 | # ArrayToBeSorted = the array that wants sorting | |
445 | # | |
446 | # Returns an array that is sorted to your specs | |
447 | # | |
448 | # If SortOrder is greater than the elements in array, then it defaults to the first element | |
449 | # | |
450 | { | |
451 | my ($colno, $alpnum, $srtdir, @tobesorted) = @_; | |
452 | my @tmparray; | |
453 | my @srtedarray; | |
454 | my $line; | |
455 | my $newline; | |
456 | my $ctr; | |
457 | my $ttlitems = scalar @tobesorted; # want to know the number of rows in the passed array | |
458 | if ($ttlitems < 1){ # if no items, don't waste our time lets leave | |
459 | return (@tobesorted); | |
460 | } | |
461 | my @tmp = split(/\,/,$tobesorted[0]); | |
462 | $ttlitems = scalar @tmp; # this should be the number of elements in each row of the passed in array | |
463 | ||
464 | # Darren Critchley - validate parameters | |
465 | if ($colno > $ttlitems){$colno = '1';} | |
466 | $colno--; # remove one from colno to deal with arrays starting at 0 | |
467 | if($colno < 0){$colno = '0';} | |
468 | if ($alpnum ne '') { $alpnum = lc($alpnum); } else { $alpnum = 'a'; } | |
469 | if ($srtdir ne '') { $srtdir = lc($srtdir); } else { $srtdir = 'src'; } | |
470 | ||
471 | foreach $line (@tobesorted) | |
472 | { | |
473 | chomp($line); | |
474 | if ($line ne '') { | |
475 | my @temp = split(/\,/,$line); | |
476 | # Darren Critchley - juggle the fields so that the one we want to sort on is first | |
477 | my $tmpholder = $temp[0]; | |
478 | $temp[0] = $temp[$colno]; | |
479 | $temp[$colno] = $tmpholder; | |
480 | $newline = ""; | |
481 | for ($ctr=0; $ctr < $ttlitems ; $ctr++) { | |
482 | $newline=$newline . $temp[$ctr] . ","; | |
483 | } | |
484 | chop($newline); | |
485 | push(@tmparray,$newline); | |
486 | } | |
487 | } | |
488 | if ($alpnum eq 'n') { | |
489 | @tmparray = sort {$a <=> $b} @tmparray; | |
490 | } else { | |
491 | @tmparray = (sort @tmparray); | |
492 | } | |
493 | foreach $line (@tmparray) | |
494 | { | |
495 | chomp($line); | |
496 | if ($line ne '') { | |
497 | my @temp = split(/\,/,$line); | |
498 | my $tmpholder = $temp[0]; | |
499 | $temp[0] = $temp[$colno]; | |
500 | $temp[$colno] = $tmpholder; | |
501 | $newline = ""; | |
502 | for ($ctr=0; $ctr < $ttlitems ; $ctr++){ | |
503 | $newline=$newline . $temp[$ctr] . ","; | |
504 | } | |
505 | chop($newline); | |
506 | push(@srtedarray,$newline); | |
507 | } | |
508 | } | |
509 | ||
510 | if ($srtdir eq 'dsc') { | |
511 | @tmparray = reverse(@srtedarray); | |
512 | return (@tmparray); | |
513 | } else { | |
514 | return (@srtedarray); | |
515 | } | |
516 | } | |
517 | ||
518 | sub FetchPublicIp { | |
519 | my %proxysettings; | |
520 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
521 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
522 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
523 | Net::SSLeay::set_proxy($peer,$peerport,$proxysettings{'UPSTREAM_USER'},$proxysettings{'UPSTREAM_PASSWORD'} ); | |
524 | } | |
525 | my ($out, $response) = Net::SSLeay::get_http( 'checkip.dyndns.org', | |
526 | 80, | |
527 | "/", | |
39a7cc11 | 528 | Net::SSLeay::make_headers('User-Agent' => 'IPFire' ) |
ac1cfefa MT |
529 | ); |
530 | if ($response =~ m%HTTP/1\.. 200 OK%) { | |
531 | $out =~ /Current IP Address: (\d+.\d+.\d+.\d+)/; | |
532 | return $1; | |
533 | } | |
534 | return ''; | |
535 | } | |
536 | ||
537 | # | |
538 | # Check if hostname.domain provided have IP provided | |
539 | # use gethostbyname to verify that | |
540 | # Params: | |
541 | # IP | |
542 | # hostname | |
543 | # domain | |
544 | # Output | |
545 | # 1 IP matches host.domain | |
546 | # 0 not in sync | |
547 | # | |
548 | sub DyndnsServiceSync ($;$;$) { | |
549 | ||
550 | my ($ip,$hostName,$domain) = @_; | |
551 | my @addresses; | |
552 | ||
553 | #fix me no ip GROUP, what is the name ? | |
554 | $hostName =~ s/$General::noipprefix//; | |
555 | if ($hostName) { #may be empty | |
556 | $hostName = "$hostName.$domain"; | |
557 | @addresses = gethostbyname($hostName); | |
558 | } | |
559 | ||
560 | if ($addresses[0] eq '') { # nothing returned ? | |
561 | $hostName = $domain; # try resolving with domain only | |
562 | @addresses = gethostbyname($hostName); | |
563 | } | |
564 | ||
565 | if ($addresses[0] ne '') { # got something ? | |
566 | #&General::log("name:$addresses[0], alias:$addresses[1]"); | |
567 | # Build clear text list of IP | |
568 | @addresses = map ( &Socket::inet_ntoa($_), @addresses[4..$#addresses]); | |
569 | if (grep (/$ip/, @addresses)) { | |
570 | return 1; | |
571 | } | |
572 | } | |
573 | return 0; | |
574 | } | |
575 | # | |
576 | # This sub returns the red IP used to compare in DyndnsServiceSync | |
577 | # | |
578 | sub GetDyndnsRedIP { | |
579 | my %settings; | |
580 | &General::readhash("${General::swroot}/ddns/settings", \%settings); | |
581 | ||
582 | open(IP, "${General::swroot}/red/local-ipaddress") or return 'unavailable'; | |
583 | my $ip = <IP>; | |
584 | close(IP); | |
585 | chomp $ip; | |
586 | ||
587 | if (&General::IpInSubnet ($ip,'10.0.0.0','255.0.0.0') || | |
588 | &General::IpInSubnet ($ip,'172.16.0.0.','255.240.0.0') || | |
589 | &General::IpInSubnet ($ip,'192.168.0.0','255.255.0.0')) | |
590 | { | |
591 | if ($settings{'BEHINDROUTER'} eq 'FETCH_IP') { | |
592 | my $RealIP = &General::FetchPublicIp; | |
593 | $ip = (&General::validip ($RealIP) ? $RealIP : 'unavailable'); | |
594 | } | |
595 | } | |
596 | return $ip; | |
597 | } | |
c545beb1 MT |
598 | |
599 | # Translate ICMP code to text | |
600 | # ref: http://www.iana.org/assignments/icmp-parameters | |
601 | sub GetIcmpDescription ($) { | |
602 | my $index = shift; | |
603 | my @icmp_description = ( | |
604 | 'Echo Reply', #0 | |
605 | 'Unassigned', | |
606 | 'Unassigned', | |
607 | 'Destination Unreachable', | |
608 | 'Source Quench', | |
609 | 'Redirect', | |
610 | 'Alternate Host Address', | |
611 | 'Unassigned', | |
612 | 'Echo', | |
613 | 'Router Advertisement', | |
614 | 'Router Solicitation', #10 | |
615 | 'Time Exceeded', | |
616 | 'Parameter Problem', | |
617 | 'Timestamp', | |
618 | 'Timestamp Reply', | |
619 | 'Information Request', | |
620 | 'Information Reply', | |
621 | 'Address Mask Request', | |
622 | 'Address Mask Reply', | |
623 | 'Reserved (for Security)', | |
624 | 'Reserved (for Robustness Experiment)', #20 | |
625 | 'Reserved', | |
626 | 'Reserved', | |
627 | 'Reserved', | |
628 | 'Reserved', | |
629 | 'Reserved', | |
630 | 'Reserved', | |
631 | 'Reserved', | |
632 | 'Reserved', | |
633 | 'Reserved', | |
634 | 'Traceroute', #30 | |
635 | 'Datagram Conversion Error', | |
636 | 'Mobile Host Redirect', | |
637 | 'IPv6 Where-Are-You', | |
638 | 'IPv6 I-Am-Here', | |
639 | 'Mobile Registration Request', | |
640 | 'Mobile Registration Reply', | |
641 | 'Domain Name Request', | |
642 | 'Domain Name Reply', | |
643 | 'SKIP', | |
644 | 'Photur', #40 | |
645 | 'Experimental'); | |
646 | if ($index>41) {return 'unknown'} else {return @icmp_description[$index]}; | |
647 | } | |
ac1cfefa | 648 | 1; |