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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 | $General::adminmanualurl = 'http://wiki.ipfire.org'; |
ac1cfefa | 28 | |
4e9a2b57 MT |
29 | require "${General::swroot}/network-functions.pl"; |
30 | ||
03fe4081 MT |
31 | # This function executes a shell command without forking a shell or do any other |
32 | # Perl-voodoo before it. It deprecates the "system" command and is the only way | |
33 | # to call shell commands. | |
34 | sub safe_system($) { | |
35 | my @command = @_; | |
36 | ||
37 | system { ${command[0]} } @command; | |
38 | ||
39 | # Return exit code | |
40 | return $? >> 8; | |
41 | } | |
42 | ||
43 | # Calls a process in the background and returns nothing | |
44 | sub system_background($) { | |
45 | my $pid = fork(); | |
46 | ||
47 | unless ($pid) { | |
48 | my $rc = &system(@_); | |
49 | exit($rc); | |
50 | } | |
51 | ||
52 | return 0; | |
53 | } | |
54 | ||
55 | # Returns the output of a shell command | |
56 | sub system_output($) { | |
57 | my @command = @_; | |
58 | my $pid; | |
59 | my @output = (); | |
60 | ||
61 | unless ($pid = open(OUTPUT, "-|")) { | |
62 | open(STDERR, ">&STDOUT"); | |
63 | exec { ${command[0]} } @command; | |
64 | die "Could not execute @command: $!"; | |
65 | } | |
66 | ||
67 | waitpid($pid, 0); | |
68 | ||
69 | while (<OUTPUT>) { | |
70 | push(@output, $_); | |
71 | } | |
72 | close(OUTPUT); | |
73 | ||
74 | return @output; | |
75 | } | |
76 | ||
77 | # Calls a shell command and throws away the output | |
78 | sub system($) { | |
79 | my @command = @_; | |
80 | ||
81 | open(SAVEOUT, ">&STDOUT"); | |
82 | open(SAVEERR, ">&STDERR"); | |
83 | ||
84 | open(STDOUT, ">/dev/null"); | |
85 | open(STDERR, ">&STDOUT"); | |
86 | ||
87 | select(STDERR); $|=1; | |
88 | select(STDOUT); $|=1; | |
89 | ||
90 | my $rc = &safe_system(@command); | |
91 | ||
92 | close(STDOUT); | |
93 | close(STDERR); | |
94 | ||
95 | # Restore | |
96 | open(STDOUT, ">&SAVEOUT"); | |
97 | open(STDERR, ">&SAVEERR"); | |
98 | ||
99 | return $rc; | |
100 | } | |
101 | ||
e8adbea9 AF |
102 | # Function to remove duplicates from an array |
103 | sub uniq { my %seen; grep !$seen{$_}++, @_ } | |
104 | ||
c545beb1 MT |
105 | # |
106 | # log ("message") use default 'ipcop' tag | |
107 | # log ("tag","message") use your tag | |
108 | # | |
ac1cfefa MT |
109 | sub log |
110 | { | |
c545beb1 MT |
111 | my $tag='ipfire'; |
112 | $tag = shift if (@_>1); | |
ac1cfefa MT |
113 | my $logmessage = $_[0]; |
114 | $logmessage =~ /([\w\W]*)/; | |
115 | $logmessage = $1; | |
2a52353f | 116 | &system('logger', '-t', $tag, $logmessage); |
ac1cfefa | 117 | } |
111c99dd MT |
118 | sub setup_default_networks |
119 | { | |
120 | my %netsettings=(); | |
121 | my $defaultNetworks = shift; | |
122 | ||
123 | &readhash("/var/ipfire/ethernet/settings", \%netsettings); | |
124 | ||
125 | # Get current defined networks (Red, Green, Blue, Orange) | |
126 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'IPT'} = "0.0.0.0/0.0.0.0"; | |
127 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'NAME'} = "ALL"; | |
128 | ||
129 | $defaultNetworks->{$Lang::tr{'green'}}{'IPT'} = "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}"; | |
68f6312a | 130 | $defaultNetworks->{$Lang::tr{'green'}}{'NET'} = "$netsettings{'GREEN_ADDRESS'}"; |
111c99dd MT |
131 | $defaultNetworks->{$Lang::tr{'green'}}{'NAME'} = "GREEN"; |
132 | ||
b9648e58 | 133 | if ($netsettings{'RED_DEV'} ne ''){ |
223d3b1d | 134 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'IPT'} = "$netsettings{'RED_NETADDRESS'}/$netsettings{'RED_NETMASK'}"; |
68f6312a | 135 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NET'} = "$netsettings{'RED_ADDRESS'}"; |
223d3b1d | 136 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NAME'} = "RED"; |
b9648e58 | 137 | } |
111c99dd MT |
138 | if ($netsettings{'ORANGE_DEV'} ne ''){ |
139 | $defaultNetworks->{$Lang::tr{'orange'}}{'IPT'} = "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"; | |
68f6312a | 140 | $defaultNetworks->{$Lang::tr{'orange'}}{'NET'} = "$netsettings{'ORANGE_ADDRESS'}"; |
111c99dd MT |
141 | $defaultNetworks->{$Lang::tr{'orange'}}{'NAME'} = "ORANGE"; |
142 | } | |
143 | ||
144 | if ($netsettings{'BLUE_DEV'} ne ''){ | |
145 | $defaultNetworks->{$Lang::tr{'blue'}}{'IPT'} = "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"; | |
68f6312a | 146 | $defaultNetworks->{$Lang::tr{'blue'}}{'NET'} = "$netsettings{'BLUE_ADDRESS'}"; |
111c99dd MT |
147 | $defaultNetworks->{$Lang::tr{'blue'}}{'NAME'} = "BLUE"; |
148 | } | |
c7043621 AM |
149 | |
150 | #IPFire himself | |
151 | $defaultNetworks->{'IPFire'}{'NAME'} = "IPFire"; | |
111c99dd MT |
152 | |
153 | # OpenVPN | |
154 | if(-e "${General::swroot}/ovpn/settings") | |
155 | { | |
156 | my %ovpnSettings = (); | |
157 | &readhash("${General::swroot}/ovpn/settings", \%ovpnSettings); | |
158 | ||
159 | # OpenVPN on Red? | |
160 | if(defined($ovpnSettings{'DOVPN_SUBNET'})) | |
161 | { | |
162 | my ($ip,$sub) = split(/\//,$ovpnSettings{'DOVPN_SUBNET'}); | |
163 | $sub=&General::iporsubtocidr($sub); | |
164 | my @tempovpnsubnet = split("\/", $ovpnSettings{'DOVPN_SUBNET'}); | |
1a8fde0e AM |
165 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'ADR'} = $tempovpnsubnet[0]; |
166 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'NAME'} = "OpenVPN-Dyn"; | |
111c99dd MT |
167 | } |
168 | } # end OpenVPN | |
169 | # IPsec RW NET | |
170 | if(-e "${General::swroot}/vpn/settings") | |
171 | { | |
172 | my %ipsecsettings = (); | |
173 | &readhash("${General::swroot}/vpn/settings", \%ipsecsettings); | |
174 | if($ipsecsettings{'RW_NET'} ne '') | |
175 | { | |
176 | my ($ip,$sub) = split(/\//,$ipsecsettings{'RW_NET'}); | |
177 | $sub=&General::iporsubtocidr($sub); | |
178 | my @tempipsecsubnet = split("\/", $ipsecsettings{'RW_NET'}); | |
6ee90535 AM |
179 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'ADR'} = $tempipsecsubnet[0]; |
180 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NAME'} = "IPsec RW"; | |
181 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NET'} = &getnextip($ip); | |
111c99dd MT |
182 | } |
183 | } | |
111c99dd MT |
184 | } |
185 | sub get_aliases | |
186 | { | |
187 | ||
188 | my $defaultNetworks = shift; | |
189 | open(FILE, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.'; | |
190 | my @current = <FILE>; | |
191 | close(FILE); | |
192 | my $ctr = 0; | |
193 | foreach my $line (@current) | |
194 | { | |
195 | if ($line ne ''){ | |
196 | chomp($line); | |
197 | my @temp = split(/\,/,$line); | |
198 | if ($temp[2] eq '') { | |
199 | $temp[2] = "Alias $ctr : $temp[0]"; | |
200 | } | |
201 | $defaultNetworks->{$temp[2]}{'IPT'} = "$temp[0]"; | |
68f6312a | 202 | $defaultNetworks->{$temp[2]}{'NET'} = "$temp[0]"; |
111c99dd MT |
203 | |
204 | $ctr++; | |
205 | } | |
206 | } | |
207 | } | |
ac1cfefa MT |
208 | |
209 | sub readhash | |
210 | { | |
211 | my $filename = $_[0]; | |
212 | my $hash = $_[1]; | |
213 | my ($var, $val); | |
214 | ||
215 | ||
216 | # Some ipcop code expects that readhash 'complete' the hash if new entries | |
217 | # are presents. Not clear it !!! | |
218 | #%$hash = (); | |
219 | ||
220 | open(FILE, $filename) or die "Unable to read file $filename"; | |
221 | ||
222 | while (<FILE>) | |
223 | { | |
224 | chop; | |
9f5247f6 SS |
225 | |
226 | # Skip comments. | |
06f57f72 | 227 | next if ($_ =~ /^#/); |
9f5247f6 | 228 | |
ac1cfefa MT |
229 | ($var, $val) = split /=/, $_, 2; |
230 | if ($var) | |
231 | { | |
232 | $val =~ s/^\'//g; | |
233 | $val =~ s/\'$//g; | |
234 | ||
235 | # Untaint variables read from hash | |
77007ce5 MT |
236 | # trim space from begin and end |
237 | $var =~ s/^\s+//; | |
238 | $var =~ s/\s+$//; | |
239 | $var =~ /([A-Za-z0-9_-]*)/; | |
240 | $var = $1; | |
241 | $val =~ /([\w\W]*)/; | |
242 | $val = $1; | |
ac1cfefa MT |
243 | $hash->{$var} = $val; |
244 | } | |
245 | } | |
246 | close FILE; | |
247 | } | |
248 | ||
249 | ||
250 | sub writehash | |
251 | { | |
252 | my $filename = $_[0]; | |
253 | my $hash = $_[1]; | |
254 | my ($var, $val); | |
255 | ||
256 | # write cgi vars to the file. | |
257 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
258 | flock FILE, 2; | |
259 | foreach $var (keys %$hash) | |
260 | { | |
ad60e3ea | 261 | if ( $var eq "__CGI__"){next;} |
ac1cfefa MT |
262 | $val = $hash->{$var}; |
263 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
264 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
265 | # some serious grief! This skips the variable.x and variable.y | |
266 | if (!($var =~ /(.x|.y)$/)) { | |
267 | if ($val =~ / /) { | |
268 | $val = "\'$val\'"; } | |
269 | if (!($var =~ /^ACTION/)) { | |
270 | print FILE "${var}=${val}\n"; } | |
271 | } | |
272 | } | |
273 | close FILE; | |
274 | } | |
275 | ||
90c2e164 CS |
276 | sub writehashpart |
277 | { | |
278 | # This function replaces the given hash in the original hash by keeping the old | |
279 | # content and just replacing the new content | |
280 | ||
281 | my $filename = $_[0]; | |
282 | my $newhash = $_[1]; | |
283 | my %oldhash; | |
284 | my ($var, $val); | |
285 | ||
286 | readhash("${filename}", \%oldhash); | |
287 | ||
288 | foreach $var (keys %$newhash){ | |
289 | $oldhash{$var}=$newhash->{$var}; | |
290 | } | |
291 | ||
292 | # write cgi vars to the file. | |
293 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
294 | flock FILE, 2; | |
295 | foreach $var (keys %oldhash) | |
296 | { | |
297 | if ( $var eq "__CGI__"){next;} | |
298 | $val = $oldhash{$var}; | |
299 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
300 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
301 | # some serious grief! This skips the variable.x and variable.y | |
302 | if (!($var =~ /(.x|.y)$/)) { | |
303 | if ($val =~ / /) { | |
304 | $val = "\'$val\'"; } | |
305 | if (!($var =~ /^ACTION/)) { | |
306 | print FILE "${var}=${val}\n"; } | |
307 | } | |
308 | } | |
309 | close FILE; | |
310 | } | |
ac1cfefa | 311 | |
1dc44471 | 312 | sub age { |
ac1cfefa | 313 | my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, |
1dc44471 | 314 | $atime, $mtime, $ctime, $blksize, $blocks) = stat $_[0]; |
a0b271e4 MT |
315 | my $t = time() - $mtime; |
316 | ||
317 | return &format_time($t); | |
318 | } | |
319 | ||
320 | sub format_time($) { | |
321 | my $totalsecs = shift; | |
1dc44471 | 322 | my @s = (); |
ac1cfefa | 323 | |
ac1cfefa | 324 | my $secs = $totalsecs % 60; |
1dc44471 MT |
325 | $totalsecs /= 60; |
326 | if ($secs > 0) { | |
327 | push(@s, "${secs}s"); | |
3687a2e2 JIW |
328 | } |
329 | ||
1dc44471 MT |
330 | my $min = $totalsecs % 60; |
331 | $totalsecs /= 60; | |
332 | if ($min > 0) { | |
333 | push(@s, "${min}m"); | |
3687a2e2 JIW |
334 | } |
335 | ||
1dc44471 MT |
336 | my $hrs = $totalsecs % 24; |
337 | $totalsecs /= 24; | |
338 | if ($hrs > 0) { | |
339 | push(@s, "${hrs}h"); | |
3687a2e2 JIW |
340 | } |
341 | ||
1dc44471 MT |
342 | my $days = int($totalsecs); |
343 | if ($days > 0) { | |
344 | push(@s, "${days}d"); | |
3687a2e2 | 345 | } |
3687a2e2 | 346 | |
1dc44471 | 347 | return join(" ", reverse(@s)); |
ac1cfefa MT |
348 | } |
349 | ||
350 | sub validip | |
351 | { | |
352 | my $ip = $_[0]; | |
353 | ||
354 | if (!($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)) { | |
355 | return 0; } | |
356 | else | |
357 | { | |
358 | my @octets = ($1, $2, $3, $4); | |
359 | foreach $_ (@octets) | |
360 | { | |
361 | if (/^0./) { | |
362 | return 0; } | |
363 | if ($_ < 0 || $_ > 255) { | |
364 | return 0; } | |
365 | } | |
366 | return 1; | |
367 | } | |
368 | } | |
369 | ||
4e9a2b57 MT |
370 | sub validmask { |
371 | my $mask = shift; | |
ac1cfefa | 372 | |
c1420324 | 373 | return &Network::check_netmask($mask) || &Network::check_prefix($mask); |
ac1cfefa MT |
374 | } |
375 | ||
376 | sub validipormask | |
377 | { | |
378 | my $ipormask = $_[0]; | |
379 | ||
380 | # see if it is a IP only. | |
381 | if (&validip($ipormask)) { | |
382 | return 1; } | |
383 | # split it into number and mask. | |
384 | if (!($ipormask =~ /^(.*?)\/(.*?)$/)) { | |
385 | return 0; } | |
386 | my $ip = $1; | |
387 | my $mask = $2; | |
388 | # first part not a ip? | |
389 | if (!(&validip($ip))) { | |
390 | return 0; } | |
391 | return &validmask($mask); | |
392 | } | |
393 | ||
4e9a2b57 MT |
394 | sub subtocidr { |
395 | return &Network::convert_netmask2prefix(shift); | |
8c877a82 | 396 | } |
ac1cfefa | 397 | |
4e9a2b57 MT |
398 | sub cidrtosub { |
399 | return &Network::convert_prefix2netmask(shift); | |
8c877a82 AM |
400 | } |
401 | ||
402 | sub iporsubtodec | |
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 | $full=1; | |
413 | return "$subnet"; | |
414 | }else{ | |
415 | $mask=$subnet; | |
416 | } | |
417 | #Subnet already in decimal and valid? | |
418 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 419 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
420 | if (&General::cidrtosub($i) eq $mask){ |
421 | if ($full == 0){return $mask;}else{ | |
422 | return $net."/".$mask; | |
423 | } | |
424 | } | |
425 | } | |
426 | } | |
427 | #Subnet in binary format? | |
7490b22e | 428 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
429 | if($full == 0){ return &General::cidrtosub($mask);}else{ |
430 | return $net."/".&General::cidrtosub($mask); | |
431 | } | |
432 | }else{ | |
433 | return 3; | |
434 | } | |
435 | return 3; | |
436 | } | |
437 | ||
438 | ||
439 | sub iporsubtocidr | |
440 | { | |
441 | #gets: Ip Address or subnetmask in decimal oder CIDR | |
442 | #Gives: What it gets only in CIDR format | |
443 | my $subnet=$_[0]; | |
444 | my $net; | |
445 | my $mask; | |
446 | my $full=0; | |
447 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
448 | ($net,$mask) = split (/\//,$subnet); | |
449 | $full=1; | |
450 | }else{ | |
451 | $mask=$subnet; | |
452 | } | |
453 | #Subnet in decimal and valid? | |
454 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 455 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
456 | if (&General::cidrtosub($i) eq $mask){ |
457 | if ($full == 0){return &General::subtocidr($mask);}else{ | |
458 | return $net."/".&General::subtocidr($mask); | |
459 | } | |
460 | } | |
461 | } | |
462 | } | |
463 | #Subnet already in binary format? | |
7490b22e | 464 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
465 | if($full == 0){ return $mask;}else{ |
466 | return $net."/".$mask; | |
467 | } | |
468 | }else{ | |
469 | return 3; | |
470 | } | |
471 | return 3; | |
472 | } | |
473 | ||
4e9a2b57 | 474 | sub getnetworkip { |
da05e076 | 475 | my $arg = join("/", @_); |
6a2a62cf MT |
476 | |
477 | return &Network::get_netaddress($arg); | |
8c877a82 AM |
478 | } |
479 | ||
480 | sub getccdbc | |
481 | { | |
482 | #Gets: IP in Form ("192.168.0.0/24") | |
483 | #Gives: Broadcastaddress of network | |
484 | my $ccdnet=$_; | |
485 | my ($ccdip,$ccdsubnet) = split "/",$ccdnet; | |
486 | my $ip_address_binary = inet_aton( $ccdip ); | |
487 | my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1); | |
488 | my $broadcast_address = inet_ntoa( $ip_address_binary | ~$netmask_binary ); | |
489 | return $broadcast_address; | |
490 | } | |
e81be1e1 | 491 | |
4e9a2b57 MT |
492 | sub ip2dec { |
493 | return &Network::ip2bin(shift); | |
8c877a82 | 494 | } |
e81be1e1 | 495 | |
4e9a2b57 MT |
496 | sub dec2ip { |
497 | return &Network::bin2ip(shift); | |
498 | } | |
499 | ||
500 | sub getnextip { | |
501 | return &Network::find_next_ip_address(shift, 4); | |
502 | } | |
503 | ||
504 | sub getlastip { | |
505 | return &Network::find_next_ip_address(shift, -1); | |
8c877a82 AM |
506 | } |
507 | ||
508 | sub validipandmask | |
509 | { | |
510 | #Gets: Ip address in 192.168.0.0/24 or 192.168.0.0/255.255.255.0 and checks if subnet valid | |
511 | #Gives: True bzw 0 if success or false | |
512 | my $ccdnet=$_[0]; | |
513 | my $subcidr; | |
514 | ||
515 | if (!($ccdnet =~ /^(.*?)\/(.*?)$/)) { | |
516 | return 0; | |
517 | } | |
518 | my ($ccdip,$ccdsubnet)=split (/\//, $ccdnet); | |
519 | #IP valid? | |
520 | if ($ccdip=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1>0 && $1<=255 && $2>=0 && $2<=255 && $3>=0 && $3<=255 && $4<=255 ))) { | |
521 | #Subnet in decimal and valid? | |
522 | if ($ccdsubnet=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 523 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
524 | if (&General::cidrtosub($i) eq $ccdsubnet){ |
525 | return 1; | |
526 | } | |
7490b22e | 527 | } |
8c877a82 | 528 | #Subnet already in binary format? |
7490b22e | 529 | }elsif ($ccdsubnet=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
530 | return 1; |
531 | }else{ | |
532 | return 0; | |
533 | } | |
534 | ||
535 | } | |
536 | return 0; | |
ac1cfefa MT |
537 | } |
538 | ||
e2429e8d AM |
539 | sub checksubnets |
540 | { | |
4d81e0f3 AM |
541 | my %ccdconfhash=(); |
542 | my %ovpnconfhash=(); | |
543 | my %vpnconf=(); | |
544 | my %ipsecconf=(); | |
545 | my %ownnet=(); | |
546 | my %ovpnconf=(); | |
547 | my @ccdconf=(); | |
548 | my $ccdname=$_[0]; | |
549 | my $ccdnet=$_[1]; | |
550 | my $ownnet=$_[2]; | |
b7ab17ad | 551 | my $checktype=$_[3]; |
e2429e8d AM |
552 | my $errormessage; |
553 | my ($ip,$cidr)=split(/\//,$ccdnet); | |
554 | $cidr=&iporsubtocidr($cidr); | |
4d81e0f3 | 555 | |
e2429e8d | 556 | #get OVPN-Subnet (dynamic range) |
e2429e8d AM |
557 | &readhash("${General::swroot}/ovpn/settings", \%ovpnconf); |
558 | my ($ovpnip,$ovpncidr)= split (/\//,$ovpnconf{'DOVPN_SUBNET'}); | |
559 | $ovpncidr=&iporsubtocidr($ovpncidr); | |
4d81e0f3 | 560 | |
e2429e8d AM |
561 | #check if we try to use same network as ovpn server |
562 | if ("$ip/$cidr" eq "$ovpnip/$ovpncidr") { | |
563 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnnet'}."<br>"; | |
564 | return $errormessage; | |
565 | } | |
4d81e0f3 AM |
566 | |
567 | #check if we try to use same network as another ovpn N2N | |
568 | if($ownnet ne 'ovpn'){ | |
569 | &readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ovpnconfhash); | |
570 | foreach my $key (keys %ovpnconfhash) { | |
571 | if ($ovpnconfhash{$key}[3] eq 'net'){ | |
572 | my @ovpnnet=split (/\//,$ovpnconfhash{$key}[11]); | |
573 | if (&IpInSubnet($ip,$ovpnnet[0],&iporsubtodec($ovpnnet[1]))){ | |
574 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnn2n'}." $ovpnconfhash{$key}[1] <br>"; | |
575 | return $errormessage; | |
576 | } | |
577 | } | |
578 | } | |
579 | } | |
580 | ||
581 | #check if we use a network-name/subnet (static-ovpn) that already exists | |
e2429e8d AM |
582 | &readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash); |
583 | foreach my $key (keys %ccdconfhash) { | |
584 | @ccdconf=split(/\//,$ccdconfhash{$key}[1]); | |
585 | if ($ccdname eq $ccdconfhash{$key}[0]) | |
586 | { | |
587 | $errormessage=$errormessage.$Lang::tr{'ccd err nameexist'}."<br>"; | |
588 | return $errormessage; | |
589 | } | |
590 | my ($newip,$newsub) = split(/\//,$ccdnet); | |
591 | if (&IpInSubnet($newip,$ccdconf[0],&iporsubtodec($ccdconf[1]))) | |
592 | { | |
4d81e0f3 | 593 | $errormessage=$errormessage.$Lang::tr{'ccd err issubnet'}." $ccdconfhash{$key}[0]<br>"; |
e2429e8d AM |
594 | return $errormessage; |
595 | } | |
e2429e8d | 596 | } |
4d81e0f3 | 597 | |
e2429e8d | 598 | #check if we use a ipsec right network which is already defined |
4d81e0f3 AM |
599 | if($ownnet ne 'ipsec'){ |
600 | &General::readhasharray("${General::swroot}/vpn/config", \%ipsecconf); | |
601 | foreach my $key (keys %ipsecconf){ | |
087e3023 | 602 | if ($ipsecconf{$key}[11] ne '' && $ipsecconf{$key}[36] eq ""){ |
ecc9c73b HG |
603 | foreach my $ipsecsubitem (split(/\|/, $ipsecconf{$key}[11])) { |
604 | my ($ipsecip,$ipsecsub) = split (/\//, $ipsecconf{$key}[11]); | |
605 | $ipsecsub=&iporsubtodec($ipsecsub); | |
606 | if($ipsecconf{$key}[1] ne $ccdname){ | |
607 | if ( &IpInSubnet ($ip,$ipsecip,$ipsecsub) ){ | |
608 | $errormessage=$Lang::tr{'ccd err isipsecnet'}." Name: $ipsecconf{$key}[1]"; | |
609 | return $errormessage; | |
610 | } | |
4d81e0f3 | 611 | } |
f7e3d208 | 612 | } |
e2429e8d AM |
613 | } |
614 | } | |
615 | } | |
4d81e0f3 AM |
616 | |
617 | #check if we use the ipsec RW Network (if defined) | |
618 | &readhash("${General::swroot}/vpn/settings", \%vpnconf); | |
619 | if ($vpnconf{'RW_NET'} ne ''){ | |
620 | my ($ipsecrwnet,$ipsecrwsub)=split (/\//, $vpnconf{'RW_NET'}); | |
621 | if (&IpInSubnet($ip,$ipsecrwnet,&iporsubtodec($ipsecrwsub))) | |
622 | { | |
623 | $errormessage=$errormessage.$Lang::tr{'ccd err isipsecrw'}."<br>"; | |
624 | return $errormessage; | |
625 | } | |
626 | } | |
4f857eea AM |
627 | |
628 | #call check_net_internal | |
b7ab17ad AM |
629 | if ($checktype eq "exact") |
630 | { | |
631 | &General::check_net_internal_exact($ccdnet); | |
632 | }else{ | |
633 | &General::check_net_internal_range($ccdnet); | |
634 | } | |
e2429e8d AM |
635 | } |
636 | ||
b7ab17ad | 637 | sub check_net_internal_range{ |
29f238b2 AM |
638 | my $network=shift; |
639 | my ($ip,$cidr)=split(/\//,$network); | |
640 | my %ownnet=(); | |
641 | my $errormessage; | |
642 | $cidr=&iporsubtocidr($cidr); | |
643 | #check if we use one of ipfire's networks (green,orange,blue) | |
644 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); | |
65c3b7c9 MT |
645 | if (($ownnet{'GREEN_NETADDRESS'} ne '' && $ownnet{'GREEN_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'GREEN_NETADDRESS'},&iporsubtodec($ownnet{'GREEN_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err green'};return $errormessage;} |
646 | if (($ownnet{'ORANGE_NETADDRESS'} ne '' && $ownnet{'ORANGE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'ORANGE_NETADDRESS'},&iporsubtodec($ownnet{'ORANGE_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err orange'};return $errormessage;} | |
647 | if (($ownnet{'BLUE_NETADDRESS'} ne '' && $ownnet{'BLUE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'BLUE_NETADDRESS'},&iporsubtodec($ownnet{'BLUE_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err blue'};return $errormessage;} | |
648 | if (($ownnet{'RED_NETADDRESS'} ne '' && $ownnet{'RED_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ip,$ownnet{'RED_NETADDRESS'},&iporsubtodec($ownnet{'RED_NETMASK'}))){ $errormessage=$Lang::tr{'ccd err red'};return $errormessage;} | |
b7ab17ad AM |
649 | } |
650 | ||
651 | sub check_net_internal_exact{ | |
652 | my $network=shift; | |
653 | my ($ip,$cidr)=split(/\//,$network); | |
654 | my %ownnet=(); | |
655 | my $errormessage; | |
656 | $cidr=&iporsubtocidr($cidr); | |
657 | #check if we use one of ipfire's networks (green,orange,blue) | |
658 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); | |
659 | if (($ownnet{'GREEN_NETADDRESS'} ne '' && $ownnet{'GREEN_NETADDRESS'} ne '0.0.0.0') && &Network::network_equal("$ownnet{'GREEN_NETADDRESS'}/$ownnet{'GREEN_NETMASK'}", $network)){ $errormessage=$Lang::tr{'ccd err green'};return $errormessage;} | |
660 | if (($ownnet{'ORANGE_NETADDRESS'} ne '' && $ownnet{'ORANGE_NETADDRESS'} ne '0.0.0.0') && &Network::network_equal("$ownnet{'ORANGE_NETADDRESS'}/$ownnet{'ORANGE_NETMASK'}", $network)){ $errormessage=$Lang::tr{'ccd err orange'};return $errormessage;} | |
661 | if (($ownnet{'BLUE_NETADDRESS'} ne '' && $ownnet{'BLUE_NETADDRESS'} ne '0.0.0.0') && &Network::network_equal("$ownnet{'BLUE_NETADDRESS'}/$ownnet{'BLUE_NETMASK'}", $network)){ $errormessage=$Lang::tr{'ccd err blue'};return $errormessage;} | |
662 | if (($ownnet{'RED_NETADDRESS'} ne '' && $ownnet{'RED_NETADDRESS'} ne '0.0.0.0') && &Network::network_equal("$ownnet{'RED_NETADDRESS'}/$ownnet{'RED_NETMASK'}", $network)){ $errormessage=$Lang::tr{'ccd err red'};return $errormessage;} | |
29f238b2 | 663 | } |
e2429e8d | 664 | |
ac1cfefa MT |
665 | sub validport |
666 | { | |
667 | $_ = $_[0]; | |
668 | ||
669 | if (!/^\d+$/) { | |
670 | return 0; } | |
671 | if (/^0./) { | |
672 | return 0; } | |
673 | if ($_ >= 1 && $_ <= 65535) { | |
674 | return 1; } | |
675 | return 0; | |
676 | } | |
677 | ||
d30ea451 CS |
678 | sub validproxyport |
679 | { | |
680 | $_ = $_[0]; | |
681 | ||
682 | if (!/^\d+$/) { | |
683 | return 0; } | |
684 | if (/^0./) { | |
685 | return 0; } | |
686 | if ($_ == 53 || $_ == 222 || $_ == 444 || $_ == 81 ) { | |
687 | return 0; } | |
688 | elsif ($_ >= 1 && $_ <= 65535) { | |
689 | return 1; } | |
690 | return 0; | |
691 | } | |
692 | ||
ac1cfefa MT |
693 | sub validmac |
694 | { | |
695 | my $checkmac = $_[0]; | |
696 | my $ot = '[0-9a-f]{2}'; # 2 Hex digits (one octet) | |
697 | if ($checkmac !~ /^$ot:$ot:$ot:$ot:$ot:$ot$/i) | |
698 | { | |
699 | return 0; | |
700 | } | |
701 | return 1; | |
702 | } | |
703 | ||
704 | sub validhostname | |
705 | { | |
706 | # Checks a hostname against RFC1035 | |
707 | my $hostname = $_[0]; | |
708 | ||
5b4e33bc | 709 | # Hostname should be at least one character in length |
ac1cfefa MT |
710 | # but no more than 63 characters |
711 | if (length ($hostname) < 1 || length ($hostname) > 63) { | |
712 | return 0;} | |
713 | # Only valid characters are a-z, A-Z, 0-9 and - | |
5b4e33bc | 714 | if ($hostname !~ /^[a-zA-Z0-9-]*$/) { |
ac1cfefa MT |
715 | return 0;} |
716 | # First character can only be a letter or a digit | |
717 | if (substr ($hostname, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
718 | return 0;} | |
719 | # Last character can only be a letter or a digit | |
720 | if (substr ($hostname, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
721 | return 0;} | |
722 | return 1; | |
723 | } | |
724 | ||
725 | sub validdomainname | |
726 | { | |
727 | my $part; | |
728 | ||
5b4e33bc | 729 | # Checks a domain name against RFC1035 and RFC2181 |
ac1cfefa | 730 | my $domainname = $_[0]; |
5b4e33bc | 731 | my @parts = split (/\./, $domainname); # Split domain name at the '.' |
ac1cfefa MT |
732 | |
733 | foreach $part (@parts) { | |
5b4e33bc AB |
734 | # Each part should be at least one character in length |
735 | # but no more than 63 characters | |
8ed77b03 | 736 | if (length ($part) < 1 || length ($part) > 63) { |
ac1cfefa | 737 | return 0;} |
03306ff6 MT |
738 | # Only valid characters are a-z, A-Z, 0-9, _ and - |
739 | if ($part !~ /^[a-zA-Z0-9_-]*$/) { | |
5b4e33bc | 740 | return 0;} |
ac1cfefa MT |
741 | } |
742 | return 1; | |
743 | } | |
744 | ||
745 | sub validfqdn | |
746 | { | |
5b4e33bc | 747 | # Checks a fully qualified domain name against RFC1035 and RFC2181 |
ac1cfefa | 748 | my $fqdn = $_[0]; |
5b4e33bc | 749 | my @parts = split (/\./, $fqdn); # Split FQDN at the '.' |
ac1cfefa MT |
750 | if (scalar(@parts) < 2) { # At least two parts should |
751 | return 0;} # exist in a FQDN | |
b00797e2 | 752 | # (i.e.hostname.domain) |
5b4e33bc AB |
753 | |
754 | for (my $index=0; $index < scalar(@parts); $index++) { | |
ac1cfefa MT |
755 | # Each part should be at least one character in length |
756 | # but no more than 63 characters | |
5b4e33bc | 757 | if (length ($parts[$index]) < 1 || length ($parts[$index]) > 63) { |
ac1cfefa | 758 | return 0;} |
5b4e33bc AB |
759 | if ($index eq 0) { |
760 | # This is the hostname part | |
761 | # Only valid characters are a-z, A-Z, 0-9 and - | |
762 | if ($parts[$index] !~ /^[a-zA-Z0-9-]*$/) { | |
763 | return 0;} | |
764 | # First character can only be a letter or a digit | |
765 | if (substr ($parts[$index], 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
766 | return 0;} | |
767 | # Last character can only be a letter or a digit | |
768 | if (substr ($parts[$index], -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
769 | return 0;} | |
770 | } else{ | |
771 | # This is the domain part | |
772 | # Only valid characters are a-z, A-Z, 0-9, _ and - | |
773 | if ($parts[$index] !~ /^[a-zA-Z0-9_-]*$/) { | |
774 | return 0;} | |
775 | } | |
ac1cfefa MT |
776 | } |
777 | return 1; | |
778 | } | |
779 | ||
780 | sub validportrange # used to check a port range | |
781 | { | |
782 | my $port = $_[0]; # port values | |
783 | $port =~ tr/-/:/; # replace all - with colons just in case someone used - | |
784 | my $srcdst = $_[1]; # is it a source or destination port | |
785 | ||
786 | if (!($port =~ /^(\d+)\:(\d+)$/)) { | |
787 | ||
788 | if (!(&validport($port))) { | |
789 | if ($srcdst eq 'src'){ | |
790 | return $Lang::tr{'source port numbers'}; | |
791 | } else { | |
792 | return $Lang::tr{'destination port numbers'}; | |
793 | } | |
794 | } | |
795 | } | |
796 | else | |
797 | { | |
798 | my @ports = ($1, $2); | |
799 | if ($1 >= $2){ | |
800 | if ($srcdst eq 'src'){ | |
801 | return $Lang::tr{'bad source range'}; | |
802 | } else { | |
803 | return $Lang::tr{'bad destination range'}; | |
804 | } | |
805 | } | |
806 | foreach $_ (@ports) | |
807 | { | |
808 | if (!(&validport($_))) { | |
809 | if ($srcdst eq 'src'){ | |
810 | return $Lang::tr{'source port numbers'}; | |
811 | } else { | |
812 | return $Lang::tr{'destination port numbers'}; | |
813 | } | |
814 | } | |
815 | } | |
816 | return; | |
817 | } | |
818 | } | |
819 | ||
4e9a2b57 | 820 | sub IpInSubnet { |
ab92dc0c AM |
821 | my $addr = shift; |
822 | my $network = shift; | |
823 | my $netmask = shift; | |
824 | ||
4e9a2b57 | 825 | return &Network::ip_address_in_network($addr, "$network/$netmask"); |
ac1cfefa MT |
826 | } |
827 | ||
c545beb1 MT |
828 | # |
829 | # Return the following IP (IP+1) in dotted notation. | |
830 | # Call: NextIP ('1.1.1.1'); | |
831 | # Return: '1.1.1.2' | |
832 | # | |
4e9a2b57 MT |
833 | sub NextIP { |
834 | return &Network::find_next_ip_address(shift, 1); | |
c545beb1 | 835 | } |
4e9a2b57 MT |
836 | |
837 | sub NextIP2 { | |
838 | return &Network::find_next_ip_address(shift, 4); | |
8c877a82 | 839 | } |
4e9a2b57 MT |
840 | |
841 | sub ipcidr { | |
45762fc6 AF |
842 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); |
843 | return "$ip\/$cidr"; | |
844 | } | |
845 | ||
4e9a2b57 | 846 | sub ipcidr2msk { |
54fd0535 MT |
847 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); |
848 | my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr); | |
849 | return "$ip\/$netmask"; | |
850 | } | |
851 | ||
ac1cfefa | 852 | sub validemail { |
b00797e2 AM |
853 | my $address = shift; |
854 | my @parts = split( /\@/, $address ); | |
855 | my $count=@parts; | |
856 | ||
857 | #check if we have one part before and after '@' | |
858 | return 0 if ( $count != 2 ); | |
859 | ||
860 | #check if one of the parts starts or ends with a dot | |
861 | return 0 if ( substr($parts[0],0,1) eq '.' ); | |
862 | return 0 if ( substr($parts[0],-1,1) eq '.' ); | |
863 | return 0 if ( substr($parts[1],0,1) eq '.' ); | |
864 | return 0 if ( substr($parts[1],-1,1) eq '.' ); | |
865 | ||
866 | #check first addresspart (before '@' sign) | |
cc724c14 | 867 | return 0 if ( $parts[0] !~ m/^[a-zA-Z0-9\.!\-\_\+#]+$/ ); |
b00797e2 AM |
868 | |
869 | #check second addresspart (after '@' sign) | |
870 | return 0 if ( $parts[1] !~ m/^[a-zA-Z0-9\.\-]+$/ ); | |
871 | ||
ac1cfefa MT |
872 | return 1; |
873 | } | |
874 | ||
c545beb1 MT |
875 | # |
876 | # Currently only vpnmain use this three procs (readhasharray, writehasharray, findhasharray) | |
877 | # The 'key' used is numeric but is perfectly unneeded! This will to be removed so don't use | |
878 | # this code. Vpnmain will be splitted in parts: x509/pki, connection ipsec, connection other,... . | |
879 | # | |
ac1cfefa MT |
880 | sub readhasharray { |
881 | my ($filename, $hash) = @_; | |
882 | %$hash = (); | |
883 | ||
884 | open(FILE, $filename) or die "Unable to read file $filename"; | |
885 | ||
886 | while (<FILE>) { | |
887 | my ($key, $rest, @temp); | |
888 | chomp; | |
889 | ($key, $rest) = split (/,/, $_, 2); | |
c545beb1 | 890 | if ($key =~ /^[0-9]+$/) { |
ac1cfefa MT |
891 | @temp = split (/,/, $rest); |
892 | $hash->{$key} = \@temp; | |
893 | } | |
894 | } | |
895 | close FILE; | |
896 | return; | |
897 | } | |
898 | ||
899 | sub writehasharray { | |
900 | my ($filename, $hash) = @_; | |
901 | my ($key, @temp, $i); | |
902 | ||
903 | open(FILE, ">$filename") or die "Unable to write to file $filename"; | |
904 | ||
905 | foreach $key (keys %$hash) { | |
8c877a82 AM |
906 | if ($key =~ /^[0-9]+$/) { |
907 | print FILE "$key"; | |
908 | foreach $i (0 .. $#{$hash->{$key}}) { | |
909 | print FILE ",$hash->{$key}[$i]"; | |
910 | } | |
911 | print FILE "\n"; | |
912 | } | |
ac1cfefa MT |
913 | } |
914 | close FILE; | |
915 | return; | |
916 | } | |
917 | ||
918 | sub findhasharraykey { | |
919 | foreach my $i (1 .. 1000000) { | |
920 | if ( ! exists $_[0]{$i}) { | |
921 | return $i; | |
922 | } | |
923 | } | |
924 | } | |
925 | ||
926 | sub srtarray | |
927 | # Darren Critchley - darrenc@telus.net - (c) 2003 | |
928 | # &srtarray(SortOrder, AlphaNumeric, SortDirection, ArrayToBeSorted) | |
929 | # This subroutine will take the following parameters: | |
930 | # ColumnNumber = the column which you want to sort on, starts at 1 | |
931 | # AlphaNumberic = a or n (lowercase) defines whether the sort should be alpha or numberic | |
932 | # SortDirection = asc or dsc (lowercase) Ascending or Descending sort | |
933 | # ArrayToBeSorted = the array that wants sorting | |
934 | # | |
935 | # Returns an array that is sorted to your specs | |
936 | # | |
937 | # If SortOrder is greater than the elements in array, then it defaults to the first element | |
938 | # | |
939 | { | |
940 | my ($colno, $alpnum, $srtdir, @tobesorted) = @_; | |
941 | my @tmparray; | |
942 | my @srtedarray; | |
943 | my $line; | |
944 | my $newline; | |
945 | my $ctr; | |
946 | my $ttlitems = scalar @tobesorted; # want to know the number of rows in the passed array | |
947 | if ($ttlitems < 1){ # if no items, don't waste our time lets leave | |
948 | return (@tobesorted); | |
949 | } | |
950 | my @tmp = split(/\,/,$tobesorted[0]); | |
951 | $ttlitems = scalar @tmp; # this should be the number of elements in each row of the passed in array | |
952 | ||
953 | # Darren Critchley - validate parameters | |
954 | if ($colno > $ttlitems){$colno = '1';} | |
955 | $colno--; # remove one from colno to deal with arrays starting at 0 | |
956 | if($colno < 0){$colno = '0';} | |
957 | if ($alpnum ne '') { $alpnum = lc($alpnum); } else { $alpnum = 'a'; } | |
958 | if ($srtdir ne '') { $srtdir = lc($srtdir); } else { $srtdir = 'src'; } | |
959 | ||
960 | foreach $line (@tobesorted) | |
961 | { | |
962 | chomp($line); | |
963 | if ($line ne '') { | |
964 | my @temp = split(/\,/,$line); | |
965 | # Darren Critchley - juggle the fields so that the one we want to sort on is first | |
966 | my $tmpholder = $temp[0]; | |
967 | $temp[0] = $temp[$colno]; | |
968 | $temp[$colno] = $tmpholder; | |
969 | $newline = ""; | |
970 | for ($ctr=0; $ctr < $ttlitems ; $ctr++) { | |
971 | $newline=$newline . $temp[$ctr] . ","; | |
972 | } | |
973 | chop($newline); | |
974 | push(@tmparray,$newline); | |
975 | } | |
976 | } | |
977 | if ($alpnum eq 'n') { | |
978 | @tmparray = sort {$a <=> $b} @tmparray; | |
979 | } else { | |
980 | @tmparray = (sort @tmparray); | |
981 | } | |
982 | foreach $line (@tmparray) | |
983 | { | |
984 | chomp($line); | |
985 | if ($line ne '') { | |
986 | my @temp = split(/\,/,$line); | |
987 | my $tmpholder = $temp[0]; | |
988 | $temp[0] = $temp[$colno]; | |
989 | $temp[$colno] = $tmpholder; | |
990 | $newline = ""; | |
991 | for ($ctr=0; $ctr < $ttlitems ; $ctr++){ | |
992 | $newline=$newline . $temp[$ctr] . ","; | |
993 | } | |
994 | chop($newline); | |
995 | push(@srtedarray,$newline); | |
996 | } | |
997 | } | |
998 | ||
999 | if ($srtdir eq 'dsc') { | |
1000 | @tmparray = reverse(@srtedarray); | |
1001 | return (@tmparray); | |
1002 | } else { | |
1003 | return (@srtedarray); | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | sub FetchPublicIp { | |
1008 | my %proxysettings; | |
1009 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
1010 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
1011 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
1012 | Net::SSLeay::set_proxy($peer,$peerport,$proxysettings{'UPSTREAM_USER'},$proxysettings{'UPSTREAM_PASSWORD'} ); | |
1013 | } | |
b2f8244a | 1014 | my $user_agent = &MakeUserAgent(); |
0aa0cdcd | 1015 | my ($out, $response) = Net::SSLeay::get_http( 'checkip4.dns.lightningwirelabs.com', |
ac1cfefa MT |
1016 | 80, |
1017 | "/", | |
b2f8244a | 1018 | Net::SSLeay::make_headers('User-Agent' => $user_agent ) |
ac1cfefa MT |
1019 | ); |
1020 | if ($response =~ m%HTTP/1\.. 200 OK%) { | |
5a2935b1 | 1021 | $out =~ /Your IP address is: (\d+.\d+.\d+.\d+)/; |
ac1cfefa MT |
1022 | return $1; |
1023 | } | |
1024 | return ''; | |
1025 | } | |
1026 | ||
1027 | # | |
1028 | # Check if hostname.domain provided have IP provided | |
1029 | # use gethostbyname to verify that | |
1030 | # Params: | |
1031 | # IP | |
1032 | # hostname | |
1033 | # domain | |
1034 | # Output | |
1035 | # 1 IP matches host.domain | |
1036 | # 0 not in sync | |
1037 | # | |
1038 | sub DyndnsServiceSync ($;$;$) { | |
1039 | ||
1040 | my ($ip,$hostName,$domain) = @_; | |
1041 | my @addresses; | |
1042 | ||
1043 | #fix me no ip GROUP, what is the name ? | |
1044 | $hostName =~ s/$General::noipprefix//; | |
1045 | if ($hostName) { #may be empty | |
1046 | $hostName = "$hostName.$domain"; | |
1047 | @addresses = gethostbyname($hostName); | |
1048 | } | |
1049 | ||
1050 | if ($addresses[0] eq '') { # nothing returned ? | |
1051 | $hostName = $domain; # try resolving with domain only | |
1052 | @addresses = gethostbyname($hostName); | |
1053 | } | |
1054 | ||
1055 | if ($addresses[0] ne '') { # got something ? | |
1056 | #&General::log("name:$addresses[0], alias:$addresses[1]"); | |
1057 | # Build clear text list of IP | |
1058 | @addresses = map ( &Socket::inet_ntoa($_), @addresses[4..$#addresses]); | |
1059 | if (grep (/$ip/, @addresses)) { | |
1060 | return 1; | |
1061 | } | |
1062 | } | |
1063 | return 0; | |
1064 | } | |
1065 | # | |
1066 | # This sub returns the red IP used to compare in DyndnsServiceSync | |
1067 | # | |
1068 | sub GetDyndnsRedIP { | |
1069 | my %settings; | |
1070 | &General::readhash("${General::swroot}/ddns/settings", \%settings); | |
1071 | ||
1072 | open(IP, "${General::swroot}/red/local-ipaddress") or return 'unavailable'; | |
1073 | my $ip = <IP>; | |
1074 | close(IP); | |
1075 | chomp $ip; | |
1076 | ||
057dbeeb | 1077 | # 100.64.0.0/10 is reserved for dual-stack lite (http://tools.ietf.org/html/rfc6598). |
ac1cfefa MT |
1078 | if (&General::IpInSubnet ($ip,'10.0.0.0','255.0.0.0') || |
1079 | &General::IpInSubnet ($ip,'172.16.0.0.','255.240.0.0') || | |
057dbeeb MT |
1080 | &General::IpInSubnet ($ip,'192.168.0.0','255.255.0.0') || |
1081 | &General::IpInSubnet ($ip,'100.64.0.0', '255.192.0.0')) | |
ac1cfefa MT |
1082 | { |
1083 | if ($settings{'BEHINDROUTER'} eq 'FETCH_IP') { | |
1084 | my $RealIP = &General::FetchPublicIp; | |
1085 | $ip = (&General::validip ($RealIP) ? $RealIP : 'unavailable'); | |
1086 | } | |
1087 | } | |
1088 | return $ip; | |
1089 | } | |
c545beb1 MT |
1090 | |
1091 | # Translate ICMP code to text | |
1092 | # ref: http://www.iana.org/assignments/icmp-parameters | |
1093 | sub GetIcmpDescription ($) { | |
1094 | my $index = shift; | |
1095 | my @icmp_description = ( | |
1096 | 'Echo Reply', #0 | |
1097 | 'Unassigned', | |
1098 | 'Unassigned', | |
1099 | 'Destination Unreachable', | |
1100 | 'Source Quench', | |
1101 | 'Redirect', | |
1102 | 'Alternate Host Address', | |
1103 | 'Unassigned', | |
1104 | 'Echo', | |
1105 | 'Router Advertisement', | |
1106 | 'Router Solicitation', #10 | |
1107 | 'Time Exceeded', | |
1108 | 'Parameter Problem', | |
1109 | 'Timestamp', | |
1110 | 'Timestamp Reply', | |
1111 | 'Information Request', | |
1112 | 'Information Reply', | |
1113 | 'Address Mask Request', | |
1114 | 'Address Mask Reply', | |
1115 | 'Reserved (for Security)', | |
1116 | 'Reserved (for Robustness Experiment)', #20 | |
1117 | 'Reserved', | |
1118 | 'Reserved', | |
1119 | 'Reserved', | |
1120 | 'Reserved', | |
1121 | 'Reserved', | |
1122 | 'Reserved', | |
1123 | 'Reserved', | |
1124 | 'Reserved', | |
1125 | 'Reserved', | |
1126 | 'Traceroute', #30 | |
1127 | 'Datagram Conversion Error', | |
1128 | 'Mobile Host Redirect', | |
1129 | 'IPv6 Where-Are-You', | |
1130 | 'IPv6 I-Am-Here', | |
1131 | 'Mobile Registration Request', | |
1132 | 'Mobile Registration Reply', | |
1133 | 'Domain Name Request', | |
1134 | 'Domain Name Reply', | |
1135 | 'SKIP', | |
1136 | 'Photur', #40 | |
1137 | 'Experimental'); | |
a2b3eba9 | 1138 | if ($index>41) {return 'unknown'} else {return $icmp_description[$index]}; |
c545beb1 | 1139 | } |
b2f8244a MT |
1140 | |
1141 | sub GetCoreUpdateVersion() { | |
1142 | my $core_update; | |
1143 | ||
1144 | open(FILE, "/opt/pakfire/db/core/mine"); | |
1145 | while (<FILE>) { | |
1146 | $core_update = $_; | |
1147 | last; | |
1148 | } | |
1149 | close(FILE); | |
1150 | ||
1151 | return $core_update; | |
1152 | } | |
1153 | ||
1154 | sub MakeUserAgent() { | |
1155 | my $user_agent = "IPFire/$General::version"; | |
1156 | ||
1157 | my $core_update = &GetCoreUpdateVersion(); | |
1158 | if ($core_update ne "") { | |
1159 | $user_agent .= "/$core_update"; | |
1160 | } | |
1161 | ||
1162 | return $user_agent; | |
1163 | } | |
1164 | ||
61027579 MT |
1165 | sub RedIsWireless() { |
1166 | # This function checks if a network device is a wireless device. | |
1167 | ||
1168 | my %settings = (); | |
1169 | &readhash("${General::swroot}/ethernet/settings", \%settings); | |
1170 | ||
1171 | # Find the name of the network device. | |
1172 | my $device = $settings{'RED_DEV'}; | |
1173 | ||
1174 | # Exit, if no device is configured. | |
1175 | return 0 if ($device eq ""); | |
1176 | ||
1177 | # Return 1 if the device is a wireless one. | |
1178 | my $path = "/sys/class/net/$device/wireless"; | |
1179 | if (-d $path) { | |
1180 | return 1; | |
1181 | } | |
1182 | ||
1183 | # Otherwise return zero. | |
1184 | return 0; | |
1185 | } | |
1186 | ||
dfee7582 SS |
1187 | # Function to read a file with UTF-8 charset. |
1188 | sub read_file_utf8 ($) { | |
1189 | my ($file) = @_; | |
1190 | ||
1191 | open my $in, '<:encoding(UTF-8)', $file or die "Could not open '$file' for reading $!"; | |
1192 | local $/ = undef; | |
1193 | my $all = <$in>; | |
1194 | close $in; | |
1195 | ||
3e862ce4 | 1196 | return $all; |
dfee7582 SS |
1197 | } |
1198 | ||
1199 | # Function to write a file with UTF-8 charset. | |
1200 | sub write_file_utf8 ($) { | |
1201 | my ($file, $content) = @_; | |
1202 | ||
1203 | open my $out, '>:encoding(UTF-8)', $file or die "Could not open '$file' for writing $!";; | |
1204 | print $out $content; | |
1205 | close $out; | |
1206 | ||
1207 | return; | |
1208 | } | |
1209 | ||
6d8eb5de | 1210 | my $FIREWALL_RELOAD_INDICATOR = "${General::swroot}/firewall/reread"; |
0e430797 MT |
1211 | |
1212 | sub firewall_config_changed() { | |
1213 | open FILE, ">$FIREWALL_RELOAD_INDICATOR" or die "Could not open $FIREWALL_RELOAD_INDICATOR"; | |
1214 | close FILE; | |
1215 | } | |
1216 | ||
1217 | sub firewall_needs_reload() { | |
1218 | if (-e "$FIREWALL_RELOAD_INDICATOR") { | |
1219 | return 1; | |
1220 | } | |
1221 | ||
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | sub firewall_reload() { | |
2a52353f | 1226 | &system("/usr/local/bin/firewallctrl"); |
0e430797 MT |
1227 | } |
1228 | ||
4cb523d4 SS |
1229 | # Function which will return the used interface for the red network zone (red0, ppp0, etc). |
1230 | sub get_red_interface() { | |
1231 | ||
1232 | open(IFACE, "${General::swroot}/red/iface") or die "Could not open /var/ipfire/red/iface"; | |
1233 | ||
1234 | my $interface = <IFACE>; | |
1235 | close(IFACE); | |
1236 | chomp $interface; | |
1237 | ||
1238 | return $interface; | |
1239 | } | |
1240 | ||
183b23b5 MT |
1241 | sub dnssec_status() { |
1242 | my $path = "${General::swroot}/red/dnssec-status"; | |
1243 | ||
1244 | open(STATUS, $path) or return 0; | |
1245 | my $status = <STATUS>; | |
1246 | close(STATUS); | |
1247 | ||
1248 | chomp($status); | |
1249 | ||
1250 | return $status; | |
1251 | } | |
1a3323f2 DW |
1252 | sub number_cpu_cores() { |
1253 | open my $cpuinfo, "/proc/cpuinfo" or die "Can't open cpuinfo: $!\n"; | |
1254 | my $cores = scalar (map /^processor/, <$cpuinfo>); | |
1255 | close $cpuinfo; | |
1256 | ||
1257 | return $cores; | |
1258 | } | |
183b23b5 | 1259 | |
97022524 SS |
1260 | # Tiny function to grab a single IP-address from a given file. |
1261 | sub grab_address_from_file($) { | |
1262 | my ($file) = @_; | |
1263 | ||
1264 | my $address; | |
1265 | ||
1266 | # Check if the given file exists. | |
1267 | if(-f $file) { | |
1268 | # Open the file for reading. | |
1269 | open(FILE, $file) or die "Could not read from $file. $!\n"; | |
1270 | ||
1271 | # Read the address from the file. | |
1272 | $address = <FILE>; | |
1273 | ||
1274 | # Close filehandle. | |
1275 | close(FILE); | |
1276 | ||
1277 | # Remove newlines. | |
1278 | chomp($address); | |
1279 | ||
1280 | # Check if the obtained address is valid. | |
1281 | if (&validip($address)) { | |
1282 | # Return the address. | |
1283 | return $address; | |
1284 | } | |
1285 | } | |
1286 | ||
1287 | # Return nothing. | |
1288 | return; | |
1289 | } | |
1290 | ||
c8dcd465 SS |
1291 | # Function to get all configured and enabled nameservers. |
1292 | sub get_nameservers () { | |
1293 | my %settings; | |
1294 | my %servers; | |
1295 | ||
1296 | my @nameservers; | |
1297 | ||
1298 | # Read DNS configuration. | |
1299 | &readhash("$General::swroot/dns/settings", \%settings); | |
1300 | ||
1301 | # Read configured DNS servers. | |
1302 | &readhasharray("$General::swroot/dns/servers", \%servers); | |
1303 | ||
1304 | # Check if the ISP assigned server should be used. | |
1305 | if ($settings{'USE_ISP_NAMESERVERS'} eq "on") { | |
1306 | # Assign ISP nameserver files. | |
1307 | my @ISP_nameserver_files = ( "/var/run/dns1", "/var/run/dns2" ); | |
1308 | ||
1309 | # Loop through the array of ISP assigned DNS servers. | |
1310 | foreach my $file (@ISP_nameserver_files) { | |
1311 | # Grab the IP address. | |
1312 | my $address = &grab_address_from_file($file); | |
1313 | ||
1314 | # Check if an address has been grabbed. | |
1315 | if ($address) { | |
1316 | # Add the address to the array of nameservers. | |
1317 | push(@nameservers, $address); | |
1318 | } | |
1319 | } | |
1320 | } | |
1321 | ||
1322 | # Check if DNS servers are configured. | |
1323 | if (%servers) { | |
1324 | # Loop through the hash of configured DNS servers. | |
1325 | foreach my $id (keys %servers) { | |
1326 | my $address = $servers{$id}[0]; | |
1327 | my $status = $servers{$id}[2]; | |
1328 | ||
1329 | # Check if the current processed server is enabled. | |
1330 | if ($status eq "enabled") { | |
1331 | # Add the address to the array of nameservers. | |
1332 | push(@nameservers, $address); | |
1333 | } | |
1334 | } | |
1335 | } | |
1336 | ||
1337 | # Return the array. | |
e8adbea9 | 1338 | return &uniq(@nameservers); |
c8dcd465 SS |
1339 | } |
1340 | ||
c5f85b11 SS |
1341 | # Function to format a string containing the amount of bytes to |
1342 | # something human-readable. | |
1343 | sub formatBytes { | |
1344 | # Private array which contains the units. | |
1345 | my @units = qw(B KB MB GB TB PB); | |
1346 | ||
1347 | my $bytes = shift; | |
1348 | my $unit; | |
1349 | ||
1350 | # Loop through the array of units. | |
1351 | foreach my $element (@units) { | |
25932be3 SS |
1352 | # Assign current processed element to unit. |
1353 | $unit = $element; | |
1354 | ||
c5f85b11 SS |
1355 | # Break loop if the bytes are less than the next unit. |
1356 | last if $bytes < 1024; | |
1357 | ||
1358 | # Divide bytes amount with 1024. | |
1359 | $bytes /= 1024; | |
c5f85b11 SS |
1360 | } |
1361 | ||
1362 | # Return the divided and rounded bytes count and the unit. | |
1363 | return sprintf("%.2f %s", $bytes, $unit); | |
1364 | } | |
1365 | ||
4e58ab4b MT |
1366 | # Cloud Stuff |
1367 | ||
46b0f9ab MT |
1368 | sub running_in_cloud() { |
1369 | return &running_on_ec2() || &running_on_gcp(); | |
1370 | } | |
1371 | ||
4e58ab4b MT |
1372 | sub running_on_ec2() { |
1373 | if (-e "/var/run/aws-instance-id") { | |
1374 | return 1; | |
1375 | } | |
1376 | ||
1377 | return 0; | |
1378 | } | |
1379 | ||
e7978f56 MT |
1380 | sub running_on_gcp() { |
1381 | if (-e "/var/run/gcp-instance-id") { | |
1382 | return 1; | |
1383 | } | |
1384 | ||
1385 | return 0; | |
1386 | } | |
1387 | ||
ac1cfefa | 1388 | 1; |