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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 | |
110d4c81 | 56 | # if you change this also check speed.cgi that include a local copy for systemload reasons |
03fe4081 MT |
57 | sub system_output($) { |
58 | my @command = @_; | |
59 | my $pid; | |
60 | my @output = (); | |
61 | ||
62 | unless ($pid = open(OUTPUT, "-|")) { | |
63 | open(STDERR, ">&STDOUT"); | |
64 | exec { ${command[0]} } @command; | |
65 | die "Could not execute @command: $!"; | |
66 | } | |
67 | ||
68 | waitpid($pid, 0); | |
69 | ||
70 | while (<OUTPUT>) { | |
71 | push(@output, $_); | |
72 | } | |
73 | close(OUTPUT); | |
74 | ||
75 | return @output; | |
76 | } | |
77 | ||
78 | # Calls a shell command and throws away the output | |
79 | sub system($) { | |
80 | my @command = @_; | |
81 | ||
82 | open(SAVEOUT, ">&STDOUT"); | |
83 | open(SAVEERR, ">&STDERR"); | |
84 | ||
85 | open(STDOUT, ">/dev/null"); | |
86 | open(STDERR, ">&STDOUT"); | |
87 | ||
88 | select(STDERR); $|=1; | |
89 | select(STDOUT); $|=1; | |
90 | ||
91 | my $rc = &safe_system(@command); | |
92 | ||
93 | close(STDOUT); | |
94 | close(STDERR); | |
95 | ||
96 | # Restore | |
97 | open(STDOUT, ">&SAVEOUT"); | |
98 | open(STDERR, ">&SAVEERR"); | |
99 | ||
100 | return $rc; | |
101 | } | |
102 | ||
e8adbea9 AF |
103 | # Function to remove duplicates from an array |
104 | sub uniq { my %seen; grep !$seen{$_}++, @_ } | |
105 | ||
c545beb1 MT |
106 | # |
107 | # log ("message") use default 'ipcop' tag | |
108 | # log ("tag","message") use your tag | |
109 | # | |
ac1cfefa MT |
110 | sub log |
111 | { | |
c545beb1 MT |
112 | my $tag='ipfire'; |
113 | $tag = shift if (@_>1); | |
ac1cfefa MT |
114 | my $logmessage = $_[0]; |
115 | $logmessage =~ /([\w\W]*)/; | |
116 | $logmessage = $1; | |
2a52353f | 117 | &system('logger', '-t', $tag, $logmessage); |
ac1cfefa | 118 | } |
111c99dd MT |
119 | sub setup_default_networks |
120 | { | |
121 | my %netsettings=(); | |
122 | my $defaultNetworks = shift; | |
123 | ||
124 | &readhash("/var/ipfire/ethernet/settings", \%netsettings); | |
125 | ||
126 | # Get current defined networks (Red, Green, Blue, Orange) | |
127 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'IPT'} = "0.0.0.0/0.0.0.0"; | |
128 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'NAME'} = "ALL"; | |
129 | ||
130 | $defaultNetworks->{$Lang::tr{'green'}}{'IPT'} = "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}"; | |
68f6312a | 131 | $defaultNetworks->{$Lang::tr{'green'}}{'NET'} = "$netsettings{'GREEN_ADDRESS'}"; |
111c99dd MT |
132 | $defaultNetworks->{$Lang::tr{'green'}}{'NAME'} = "GREEN"; |
133 | ||
b9648e58 | 134 | if ($netsettings{'RED_DEV'} ne ''){ |
223d3b1d | 135 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'IPT'} = "$netsettings{'RED_NETADDRESS'}/$netsettings{'RED_NETMASK'}"; |
68f6312a | 136 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NET'} = "$netsettings{'RED_ADDRESS'}"; |
223d3b1d | 137 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NAME'} = "RED"; |
b9648e58 | 138 | } |
111c99dd MT |
139 | if ($netsettings{'ORANGE_DEV'} ne ''){ |
140 | $defaultNetworks->{$Lang::tr{'orange'}}{'IPT'} = "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"; | |
68f6312a | 141 | $defaultNetworks->{$Lang::tr{'orange'}}{'NET'} = "$netsettings{'ORANGE_ADDRESS'}"; |
111c99dd MT |
142 | $defaultNetworks->{$Lang::tr{'orange'}}{'NAME'} = "ORANGE"; |
143 | } | |
144 | ||
145 | if ($netsettings{'BLUE_DEV'} ne ''){ | |
146 | $defaultNetworks->{$Lang::tr{'blue'}}{'IPT'} = "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"; | |
68f6312a | 147 | $defaultNetworks->{$Lang::tr{'blue'}}{'NET'} = "$netsettings{'BLUE_ADDRESS'}"; |
111c99dd MT |
148 | $defaultNetworks->{$Lang::tr{'blue'}}{'NAME'} = "BLUE"; |
149 | } | |
c7043621 AM |
150 | |
151 | #IPFire himself | |
152 | $defaultNetworks->{'IPFire'}{'NAME'} = "IPFire"; | |
111c99dd MT |
153 | |
154 | # OpenVPN | |
155 | if(-e "${General::swroot}/ovpn/settings") | |
156 | { | |
157 | my %ovpnSettings = (); | |
158 | &readhash("${General::swroot}/ovpn/settings", \%ovpnSettings); | |
159 | ||
160 | # OpenVPN on Red? | |
161 | if(defined($ovpnSettings{'DOVPN_SUBNET'})) | |
162 | { | |
163 | my ($ip,$sub) = split(/\//,$ovpnSettings{'DOVPN_SUBNET'}); | |
164 | $sub=&General::iporsubtocidr($sub); | |
165 | my @tempovpnsubnet = split("\/", $ovpnSettings{'DOVPN_SUBNET'}); | |
1a8fde0e AM |
166 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'ADR'} = $tempovpnsubnet[0]; |
167 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'NAME'} = "OpenVPN-Dyn"; | |
111c99dd MT |
168 | } |
169 | } # end OpenVPN | |
170 | # IPsec RW NET | |
171 | if(-e "${General::swroot}/vpn/settings") | |
172 | { | |
173 | my %ipsecsettings = (); | |
174 | &readhash("${General::swroot}/vpn/settings", \%ipsecsettings); | |
175 | if($ipsecsettings{'RW_NET'} ne '') | |
176 | { | |
177 | my ($ip,$sub) = split(/\//,$ipsecsettings{'RW_NET'}); | |
178 | $sub=&General::iporsubtocidr($sub); | |
179 | my @tempipsecsubnet = split("\/", $ipsecsettings{'RW_NET'}); | |
6ee90535 AM |
180 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'ADR'} = $tempipsecsubnet[0]; |
181 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NAME'} = "IPsec RW"; | |
182 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NET'} = &getnextip($ip); | |
111c99dd MT |
183 | } |
184 | } | |
111c99dd MT |
185 | } |
186 | sub get_aliases | |
187 | { | |
188 | ||
189 | my $defaultNetworks = shift; | |
190 | open(FILE, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.'; | |
191 | my @current = <FILE>; | |
192 | close(FILE); | |
193 | my $ctr = 0; | |
194 | foreach my $line (@current) | |
195 | { | |
196 | if ($line ne ''){ | |
197 | chomp($line); | |
198 | my @temp = split(/\,/,$line); | |
199 | if ($temp[2] eq '') { | |
200 | $temp[2] = "Alias $ctr : $temp[0]"; | |
201 | } | |
202 | $defaultNetworks->{$temp[2]}{'IPT'} = "$temp[0]"; | |
68f6312a | 203 | $defaultNetworks->{$temp[2]}{'NET'} = "$temp[0]"; |
111c99dd MT |
204 | |
205 | $ctr++; | |
206 | } | |
207 | } | |
208 | } | |
ac1cfefa MT |
209 | |
210 | sub readhash | |
211 | { | |
212 | my $filename = $_[0]; | |
213 | my $hash = $_[1]; | |
214 | my ($var, $val); | |
215 | ||
216 | ||
217 | # Some ipcop code expects that readhash 'complete' the hash if new entries | |
218 | # are presents. Not clear it !!! | |
219 | #%$hash = (); | |
220 | ||
221 | open(FILE, $filename) or die "Unable to read file $filename"; | |
222 | ||
223 | while (<FILE>) | |
224 | { | |
225 | chop; | |
9f5247f6 SS |
226 | |
227 | # Skip comments. | |
06f57f72 | 228 | next if ($_ =~ /^#/); |
9f5247f6 | 229 | |
ac1cfefa MT |
230 | ($var, $val) = split /=/, $_, 2; |
231 | if ($var) | |
232 | { | |
233 | $val =~ s/^\'//g; | |
234 | $val =~ s/\'$//g; | |
235 | ||
236 | # Untaint variables read from hash | |
77007ce5 MT |
237 | # trim space from begin and end |
238 | $var =~ s/^\s+//; | |
239 | $var =~ s/\s+$//; | |
240 | $var =~ /([A-Za-z0-9_-]*)/; | |
241 | $var = $1; | |
242 | $val =~ /([\w\W]*)/; | |
243 | $val = $1; | |
ac1cfefa MT |
244 | $hash->{$var} = $val; |
245 | } | |
246 | } | |
247 | close FILE; | |
248 | } | |
249 | ||
250 | ||
251 | sub writehash | |
252 | { | |
253 | my $filename = $_[0]; | |
254 | my $hash = $_[1]; | |
255 | my ($var, $val); | |
256 | ||
257 | # write cgi vars to the file. | |
258 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
259 | flock FILE, 2; | |
260 | foreach $var (keys %$hash) | |
261 | { | |
ad60e3ea | 262 | if ( $var eq "__CGI__"){next;} |
ac1cfefa MT |
263 | $val = $hash->{$var}; |
264 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
265 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
266 | # some serious grief! This skips the variable.x and variable.y | |
267 | if (!($var =~ /(.x|.y)$/)) { | |
268 | if ($val =~ / /) { | |
269 | $val = "\'$val\'"; } | |
270 | if (!($var =~ /^ACTION/)) { | |
271 | print FILE "${var}=${val}\n"; } | |
272 | } | |
273 | } | |
274 | close FILE; | |
275 | } | |
276 | ||
90c2e164 CS |
277 | sub writehashpart |
278 | { | |
279 | # This function replaces the given hash in the original hash by keeping the old | |
280 | # content and just replacing the new content | |
281 | ||
282 | my $filename = $_[0]; | |
283 | my $newhash = $_[1]; | |
284 | my %oldhash; | |
285 | my ($var, $val); | |
286 | ||
287 | readhash("${filename}", \%oldhash); | |
288 | ||
289 | foreach $var (keys %$newhash){ | |
290 | $oldhash{$var}=$newhash->{$var}; | |
291 | } | |
292 | ||
293 | # write cgi vars to the file. | |
294 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
295 | flock FILE, 2; | |
296 | foreach $var (keys %oldhash) | |
297 | { | |
298 | if ( $var eq "__CGI__"){next;} | |
299 | $val = $oldhash{$var}; | |
300 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
301 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
302 | # some serious grief! This skips the variable.x and variable.y | |
303 | if (!($var =~ /(.x|.y)$/)) { | |
304 | if ($val =~ / /) { | |
305 | $val = "\'$val\'"; } | |
306 | if (!($var =~ /^ACTION/)) { | |
307 | print FILE "${var}=${val}\n"; } | |
308 | } | |
309 | } | |
310 | close FILE; | |
311 | } | |
ac1cfefa | 312 | |
1dc44471 | 313 | sub age { |
ac1cfefa | 314 | my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, |
1dc44471 | 315 | $atime, $mtime, $ctime, $blksize, $blocks) = stat $_[0]; |
a0b271e4 MT |
316 | my $t = time() - $mtime; |
317 | ||
318 | return &format_time($t); | |
319 | } | |
320 | ||
321 | sub format_time($) { | |
322 | my $totalsecs = shift; | |
1dc44471 | 323 | my @s = (); |
ac1cfefa | 324 | |
ac1cfefa | 325 | my $secs = $totalsecs % 60; |
1dc44471 MT |
326 | $totalsecs /= 60; |
327 | if ($secs > 0) { | |
328 | push(@s, "${secs}s"); | |
3687a2e2 JIW |
329 | } |
330 | ||
1dc44471 MT |
331 | my $min = $totalsecs % 60; |
332 | $totalsecs /= 60; | |
333 | if ($min > 0) { | |
334 | push(@s, "${min}m"); | |
3687a2e2 JIW |
335 | } |
336 | ||
1dc44471 MT |
337 | my $hrs = $totalsecs % 24; |
338 | $totalsecs /= 24; | |
339 | if ($hrs > 0) { | |
340 | push(@s, "${hrs}h"); | |
3687a2e2 JIW |
341 | } |
342 | ||
1dc44471 MT |
343 | my $days = int($totalsecs); |
344 | if ($days > 0) { | |
345 | push(@s, "${days}d"); | |
3687a2e2 | 346 | } |
3687a2e2 | 347 | |
1dc44471 | 348 | return join(" ", reverse(@s)); |
ac1cfefa MT |
349 | } |
350 | ||
351 | sub validip | |
352 | { | |
353 | my $ip = $_[0]; | |
354 | ||
355 | if (!($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)) { | |
356 | return 0; } | |
357 | else | |
358 | { | |
359 | my @octets = ($1, $2, $3, $4); | |
360 | foreach $_ (@octets) | |
361 | { | |
362 | if (/^0./) { | |
363 | return 0; } | |
364 | if ($_ < 0 || $_ > 255) { | |
365 | return 0; } | |
366 | } | |
367 | return 1; | |
368 | } | |
369 | } | |
370 | ||
4e9a2b57 MT |
371 | sub validmask { |
372 | my $mask = shift; | |
ac1cfefa | 373 | |
c1420324 | 374 | return &Network::check_netmask($mask) || &Network::check_prefix($mask); |
ac1cfefa MT |
375 | } |
376 | ||
377 | sub validipormask | |
378 | { | |
379 | my $ipormask = $_[0]; | |
380 | ||
381 | # see if it is a IP only. | |
382 | if (&validip($ipormask)) { | |
383 | return 1; } | |
384 | # split it into number and mask. | |
385 | if (!($ipormask =~ /^(.*?)\/(.*?)$/)) { | |
386 | return 0; } | |
387 | my $ip = $1; | |
388 | my $mask = $2; | |
389 | # first part not a ip? | |
390 | if (!(&validip($ip))) { | |
391 | return 0; } | |
392 | return &validmask($mask); | |
393 | } | |
394 | ||
4e9a2b57 MT |
395 | sub subtocidr { |
396 | return &Network::convert_netmask2prefix(shift); | |
8c877a82 | 397 | } |
ac1cfefa | 398 | |
4e9a2b57 MT |
399 | sub cidrtosub { |
400 | return &Network::convert_prefix2netmask(shift); | |
8c877a82 AM |
401 | } |
402 | ||
403 | sub iporsubtodec | |
404 | { | |
405 | #Gets: Ip address or subnetmask in decimal oder CIDR | |
406 | #Gives: What it gets only in CIDR format | |
407 | my $subnet=$_[0]; | |
408 | my $net; | |
409 | my $mask; | |
410 | my $full=0; | |
411 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
412 | ($net,$mask) = split (/\//,$subnet); | |
413 | $full=1; | |
414 | return "$subnet"; | |
415 | }else{ | |
416 | $mask=$subnet; | |
417 | } | |
418 | #Subnet already in decimal and valid? | |
419 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 420 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
421 | if (&General::cidrtosub($i) eq $mask){ |
422 | if ($full == 0){return $mask;}else{ | |
423 | return $net."/".$mask; | |
424 | } | |
425 | } | |
426 | } | |
427 | } | |
428 | #Subnet in binary format? | |
7490b22e | 429 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
430 | if($full == 0){ return &General::cidrtosub($mask);}else{ |
431 | return $net."/".&General::cidrtosub($mask); | |
432 | } | |
433 | }else{ | |
434 | return 3; | |
435 | } | |
436 | return 3; | |
437 | } | |
438 | ||
439 | ||
440 | sub iporsubtocidr | |
441 | { | |
442 | #gets: Ip Address or subnetmask in decimal oder CIDR | |
443 | #Gives: What it gets only in CIDR format | |
444 | my $subnet=$_[0]; | |
445 | my $net; | |
446 | my $mask; | |
447 | my $full=0; | |
448 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
449 | ($net,$mask) = split (/\//,$subnet); | |
450 | $full=1; | |
451 | }else{ | |
452 | $mask=$subnet; | |
453 | } | |
454 | #Subnet in decimal and valid? | |
455 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 456 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
457 | if (&General::cidrtosub($i) eq $mask){ |
458 | if ($full == 0){return &General::subtocidr($mask);}else{ | |
459 | return $net."/".&General::subtocidr($mask); | |
460 | } | |
461 | } | |
462 | } | |
463 | } | |
464 | #Subnet already in binary format? | |
7490b22e | 465 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
466 | if($full == 0){ return $mask;}else{ |
467 | return $net."/".$mask; | |
468 | } | |
469 | }else{ | |
470 | return 3; | |
471 | } | |
472 | return 3; | |
473 | } | |
474 | ||
4e9a2b57 | 475 | sub getnetworkip { |
da05e076 | 476 | my $arg = join("/", @_); |
6a2a62cf MT |
477 | |
478 | return &Network::get_netaddress($arg); | |
8c877a82 AM |
479 | } |
480 | ||
481 | sub getccdbc | |
482 | { | |
483 | #Gets: IP in Form ("192.168.0.0/24") | |
484 | #Gives: Broadcastaddress of network | |
485 | my $ccdnet=$_; | |
486 | my ($ccdip,$ccdsubnet) = split "/",$ccdnet; | |
487 | my $ip_address_binary = inet_aton( $ccdip ); | |
488 | my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1); | |
489 | my $broadcast_address = inet_ntoa( $ip_address_binary | ~$netmask_binary ); | |
490 | return $broadcast_address; | |
491 | } | |
e81be1e1 | 492 | |
4e9a2b57 MT |
493 | sub ip2dec { |
494 | return &Network::ip2bin(shift); | |
8c877a82 | 495 | } |
e81be1e1 | 496 | |
4e9a2b57 MT |
497 | sub dec2ip { |
498 | return &Network::bin2ip(shift); | |
499 | } | |
500 | ||
501 | sub getnextip { | |
502 | return &Network::find_next_ip_address(shift, 4); | |
503 | } | |
504 | ||
505 | sub getlastip { | |
506 | return &Network::find_next_ip_address(shift, -1); | |
8c877a82 AM |
507 | } |
508 | ||
509 | sub validipandmask | |
510 | { | |
511 | #Gets: Ip address in 192.168.0.0/24 or 192.168.0.0/255.255.255.0 and checks if subnet valid | |
512 | #Gives: True bzw 0 if success or false | |
513 | my $ccdnet=$_[0]; | |
514 | my $subcidr; | |
515 | ||
516 | if (!($ccdnet =~ /^(.*?)\/(.*?)$/)) { | |
517 | return 0; | |
518 | } | |
519 | my ($ccdip,$ccdsubnet)=split (/\//, $ccdnet); | |
520 | #IP valid? | |
521 | if ($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 && $4<=255 ))) { | |
522 | #Subnet in decimal and valid? | |
523 | if ($ccdsubnet=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 524 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
525 | if (&General::cidrtosub($i) eq $ccdsubnet){ |
526 | return 1; | |
527 | } | |
7490b22e | 528 | } |
8c877a82 | 529 | #Subnet already in binary format? |
7490b22e | 530 | }elsif ($ccdsubnet=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
531 | return 1; |
532 | }else{ | |
533 | return 0; | |
534 | } | |
535 | ||
536 | } | |
537 | return 0; | |
ac1cfefa MT |
538 | } |
539 | ||
e2429e8d AM |
540 | sub checksubnets |
541 | { | |
4d81e0f3 AM |
542 | my %ccdconfhash=(); |
543 | my %ovpnconfhash=(); | |
544 | my %vpnconf=(); | |
545 | my %ipsecconf=(); | |
546 | my %ownnet=(); | |
547 | my %ovpnconf=(); | |
548 | my @ccdconf=(); | |
549 | my $ccdname=$_[0]; | |
550 | my $ccdnet=$_[1]; | |
551 | my $ownnet=$_[2]; | |
b7ab17ad | 552 | my $checktype=$_[3]; |
e2429e8d AM |
553 | my $errormessage; |
554 | my ($ip,$cidr)=split(/\//,$ccdnet); | |
555 | $cidr=&iporsubtocidr($cidr); | |
4d81e0f3 | 556 | |
e2429e8d | 557 | #get OVPN-Subnet (dynamic range) |
e2429e8d AM |
558 | &readhash("${General::swroot}/ovpn/settings", \%ovpnconf); |
559 | my ($ovpnip,$ovpncidr)= split (/\//,$ovpnconf{'DOVPN_SUBNET'}); | |
560 | $ovpncidr=&iporsubtocidr($ovpncidr); | |
4d81e0f3 | 561 | |
e2429e8d AM |
562 | #check if we try to use same network as ovpn server |
563 | if ("$ip/$cidr" eq "$ovpnip/$ovpncidr") { | |
564 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnnet'}."<br>"; | |
565 | return $errormessage; | |
566 | } | |
4d81e0f3 AM |
567 | |
568 | #check if we try to use same network as another ovpn N2N | |
569 | if($ownnet ne 'ovpn'){ | |
570 | &readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ovpnconfhash); | |
571 | foreach my $key (keys %ovpnconfhash) { | |
572 | if ($ovpnconfhash{$key}[3] eq 'net'){ | |
573 | my @ovpnnet=split (/\//,$ovpnconfhash{$key}[11]); | |
574 | if (&IpInSubnet($ip,$ovpnnet[0],&iporsubtodec($ovpnnet[1]))){ | |
575 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnn2n'}." $ovpnconfhash{$key}[1] <br>"; | |
576 | return $errormessage; | |
577 | } | |
578 | } | |
579 | } | |
580 | } | |
581 | ||
582 | #check if we use a network-name/subnet (static-ovpn) that already exists | |
e2429e8d AM |
583 | &readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash); |
584 | foreach my $key (keys %ccdconfhash) { | |
585 | @ccdconf=split(/\//,$ccdconfhash{$key}[1]); | |
586 | if ($ccdname eq $ccdconfhash{$key}[0]) | |
587 | { | |
588 | $errormessage=$errormessage.$Lang::tr{'ccd err nameexist'}."<br>"; | |
589 | return $errormessage; | |
590 | } | |
591 | my ($newip,$newsub) = split(/\//,$ccdnet); | |
592 | if (&IpInSubnet($newip,$ccdconf[0],&iporsubtodec($ccdconf[1]))) | |
593 | { | |
4d81e0f3 | 594 | $errormessage=$errormessage.$Lang::tr{'ccd err issubnet'}." $ccdconfhash{$key}[0]<br>"; |
e2429e8d AM |
595 | return $errormessage; |
596 | } | |
e2429e8d | 597 | } |
4d81e0f3 | 598 | |
e2429e8d | 599 | #check if we use a ipsec right network which is already defined |
4d81e0f3 AM |
600 | if($ownnet ne 'ipsec'){ |
601 | &General::readhasharray("${General::swroot}/vpn/config", \%ipsecconf); | |
602 | foreach my $key (keys %ipsecconf){ | |
087e3023 | 603 | if ($ipsecconf{$key}[11] ne '' && $ipsecconf{$key}[36] eq ""){ |
ecc9c73b | 604 | foreach my $ipsecsubitem (split(/\|/, $ipsecconf{$key}[11])) { |
db4e10a6 | 605 | my ($ipsecip,$ipsecsub) = split (/\//, $ipsecsubitem); |
ecc9c73b HG |
606 | $ipsecsub=&iporsubtodec($ipsecsub); |
607 | if($ipsecconf{$key}[1] ne $ccdname){ | |
608 | if ( &IpInSubnet ($ip,$ipsecip,$ipsecsub) ){ | |
609 | $errormessage=$Lang::tr{'ccd err isipsecnet'}." Name: $ipsecconf{$key}[1]"; | |
610 | return $errormessage; | |
611 | } | |
4d81e0f3 | 612 | } |
f7e3d208 | 613 | } |
e2429e8d AM |
614 | } |
615 | } | |
616 | } | |
4d81e0f3 AM |
617 | |
618 | #check if we use the ipsec RW Network (if defined) | |
619 | &readhash("${General::swroot}/vpn/settings", \%vpnconf); | |
620 | if ($vpnconf{'RW_NET'} ne ''){ | |
621 | my ($ipsecrwnet,$ipsecrwsub)=split (/\//, $vpnconf{'RW_NET'}); | |
622 | if (&IpInSubnet($ip,$ipsecrwnet,&iporsubtodec($ipsecrwsub))) | |
623 | { | |
624 | $errormessage=$errormessage.$Lang::tr{'ccd err isipsecrw'}."<br>"; | |
625 | return $errormessage; | |
626 | } | |
627 | } | |
4f857eea AM |
628 | |
629 | #call check_net_internal | |
b7ab17ad AM |
630 | if ($checktype eq "exact") |
631 | { | |
632 | &General::check_net_internal_exact($ccdnet); | |
633 | }else{ | |
634 | &General::check_net_internal_range($ccdnet); | |
635 | } | |
e2429e8d AM |
636 | } |
637 | ||
b7ab17ad | 638 | sub check_net_internal_range{ |
29f238b2 AM |
639 | my $network=shift; |
640 | my ($ip,$cidr)=split(/\//,$network); | |
641 | my %ownnet=(); | |
642 | my $errormessage; | |
643 | $cidr=&iporsubtocidr($cidr); | |
644 | #check if we use one of ipfire's networks (green,orange,blue) | |
645 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); | |
65c3b7c9 MT |
646 | if (($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 $errormessage;} |
647 | if (($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 $errormessage;} | |
648 | if (($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 $errormessage;} | |
649 | if (($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 |
650 | } |
651 | ||
652 | sub check_net_internal_exact{ | |
653 | my $network=shift; | |
654 | my ($ip,$cidr)=split(/\//,$network); | |
655 | my %ownnet=(); | |
656 | my $errormessage; | |
657 | $cidr=&iporsubtocidr($cidr); | |
658 | #check if we use one of ipfire's networks (green,orange,blue) | |
659 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); | |
660 | if (($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 $errormessage;} | |
661 | if (($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 $errormessage;} | |
662 | if (($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 $errormessage;} | |
663 | if (($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 | 664 | } |
e2429e8d | 665 | |
ac1cfefa MT |
666 | sub validport |
667 | { | |
668 | $_ = $_[0]; | |
669 | ||
670 | if (!/^\d+$/) { | |
671 | return 0; } | |
672 | if (/^0./) { | |
673 | return 0; } | |
674 | if ($_ >= 1 && $_ <= 65535) { | |
675 | return 1; } | |
676 | return 0; | |
677 | } | |
678 | ||
d30ea451 CS |
679 | sub validproxyport |
680 | { | |
681 | $_ = $_[0]; | |
682 | ||
683 | if (!/^\d+$/) { | |
684 | return 0; } | |
685 | if (/^0./) { | |
686 | return 0; } | |
687 | if ($_ == 53 || $_ == 222 || $_ == 444 || $_ == 81 ) { | |
688 | return 0; } | |
689 | elsif ($_ >= 1 && $_ <= 65535) { | |
690 | return 1; } | |
691 | return 0; | |
692 | } | |
693 | ||
ac1cfefa MT |
694 | sub validmac |
695 | { | |
696 | my $checkmac = $_[0]; | |
697 | my $ot = '[0-9a-f]{2}'; # 2 Hex digits (one octet) | |
698 | if ($checkmac !~ /^$ot:$ot:$ot:$ot:$ot:$ot$/i) | |
699 | { | |
700 | return 0; | |
701 | } | |
702 | return 1; | |
703 | } | |
704 | ||
705 | sub validhostname | |
706 | { | |
707 | # Checks a hostname against RFC1035 | |
708 | my $hostname = $_[0]; | |
709 | ||
5b4e33bc | 710 | # Hostname should be at least one character in length |
ac1cfefa MT |
711 | # but no more than 63 characters |
712 | if (length ($hostname) < 1 || length ($hostname) > 63) { | |
713 | return 0;} | |
714 | # Only valid characters are a-z, A-Z, 0-9 and - | |
5b4e33bc | 715 | if ($hostname !~ /^[a-zA-Z0-9-]*$/) { |
ac1cfefa MT |
716 | return 0;} |
717 | # First character can only be a letter or a digit | |
718 | if (substr ($hostname, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
719 | return 0;} | |
720 | # Last character can only be a letter or a digit | |
721 | if (substr ($hostname, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
722 | return 0;} | |
723 | return 1; | |
724 | } | |
725 | ||
726 | sub validdomainname | |
727 | { | |
728 | my $part; | |
729 | ||
5b4e33bc | 730 | # Checks a domain name against RFC1035 and RFC2181 |
ac1cfefa | 731 | my $domainname = $_[0]; |
5b4e33bc | 732 | my @parts = split (/\./, $domainname); # Split domain name at the '.' |
ac1cfefa MT |
733 | |
734 | foreach $part (@parts) { | |
5b4e33bc AB |
735 | # Each part should be at least one character in length |
736 | # but no more than 63 characters | |
8ed77b03 | 737 | if (length ($part) < 1 || length ($part) > 63) { |
ac1cfefa | 738 | return 0;} |
03306ff6 MT |
739 | # Only valid characters are a-z, A-Z, 0-9, _ and - |
740 | if ($part !~ /^[a-zA-Z0-9_-]*$/) { | |
5b4e33bc | 741 | return 0;} |
ac1cfefa MT |
742 | } |
743 | return 1; | |
744 | } | |
745 | ||
746 | sub validfqdn | |
747 | { | |
5b4e33bc | 748 | # Checks a fully qualified domain name against RFC1035 and RFC2181 |
ac1cfefa | 749 | my $fqdn = $_[0]; |
5b4e33bc | 750 | my @parts = split (/\./, $fqdn); # Split FQDN at the '.' |
ac1cfefa MT |
751 | if (scalar(@parts) < 2) { # At least two parts should |
752 | return 0;} # exist in a FQDN | |
b00797e2 | 753 | # (i.e.hostname.domain) |
5b4e33bc AB |
754 | |
755 | for (my $index=0; $index < scalar(@parts); $index++) { | |
ac1cfefa MT |
756 | # Each part should be at least one character in length |
757 | # but no more than 63 characters | |
5b4e33bc | 758 | if (length ($parts[$index]) < 1 || length ($parts[$index]) > 63) { |
ac1cfefa | 759 | return 0;} |
5b4e33bc AB |
760 | if ($index eq 0) { |
761 | # This is the hostname part | |
762 | # Only valid characters are a-z, A-Z, 0-9 and - | |
763 | if ($parts[$index] !~ /^[a-zA-Z0-9-]*$/) { | |
764 | return 0;} | |
765 | # First character can only be a letter or a digit | |
766 | if (substr ($parts[$index], 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
767 | return 0;} | |
768 | # Last character can only be a letter or a digit | |
769 | if (substr ($parts[$index], -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
770 | return 0;} | |
771 | } else{ | |
772 | # This is the domain part | |
773 | # Only valid characters are a-z, A-Z, 0-9, _ and - | |
774 | if ($parts[$index] !~ /^[a-zA-Z0-9_-]*$/) { | |
775 | return 0;} | |
776 | } | |
ac1cfefa MT |
777 | } |
778 | return 1; | |
779 | } | |
780 | ||
781 | sub validportrange # used to check a port range | |
782 | { | |
783 | my $port = $_[0]; # port values | |
784 | $port =~ tr/-/:/; # replace all - with colons just in case someone used - | |
785 | my $srcdst = $_[1]; # is it a source or destination port | |
786 | ||
787 | if (!($port =~ /^(\d+)\:(\d+)$/)) { | |
788 | ||
789 | if (!(&validport($port))) { | |
790 | if ($srcdst eq 'src'){ | |
791 | return $Lang::tr{'source port numbers'}; | |
792 | } else { | |
793 | return $Lang::tr{'destination port numbers'}; | |
794 | } | |
795 | } | |
796 | } | |
797 | else | |
798 | { | |
799 | my @ports = ($1, $2); | |
800 | if ($1 >= $2){ | |
801 | if ($srcdst eq 'src'){ | |
802 | return $Lang::tr{'bad source range'}; | |
803 | } else { | |
804 | return $Lang::tr{'bad destination range'}; | |
805 | } | |
806 | } | |
807 | foreach $_ (@ports) | |
808 | { | |
809 | if (!(&validport($_))) { | |
810 | if ($srcdst eq 'src'){ | |
811 | return $Lang::tr{'source port numbers'}; | |
812 | } else { | |
813 | return $Lang::tr{'destination port numbers'}; | |
814 | } | |
815 | } | |
816 | } | |
817 | return; | |
818 | } | |
819 | } | |
820 | ||
4e9a2b57 | 821 | sub IpInSubnet { |
ab92dc0c AM |
822 | my $addr = shift; |
823 | my $network = shift; | |
824 | my $netmask = shift; | |
825 | ||
4e9a2b57 | 826 | return &Network::ip_address_in_network($addr, "$network/$netmask"); |
ac1cfefa MT |
827 | } |
828 | ||
c545beb1 MT |
829 | # |
830 | # Return the following IP (IP+1) in dotted notation. | |
831 | # Call: NextIP ('1.1.1.1'); | |
832 | # Return: '1.1.1.2' | |
833 | # | |
4e9a2b57 MT |
834 | sub NextIP { |
835 | return &Network::find_next_ip_address(shift, 1); | |
c545beb1 | 836 | } |
4e9a2b57 MT |
837 | |
838 | sub NextIP2 { | |
839 | return &Network::find_next_ip_address(shift, 4); | |
8c877a82 | 840 | } |
4e9a2b57 MT |
841 | |
842 | sub ipcidr { | |
45762fc6 AF |
843 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); |
844 | return "$ip\/$cidr"; | |
845 | } | |
846 | ||
4e9a2b57 | 847 | sub ipcidr2msk { |
54fd0535 MT |
848 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); |
849 | my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr); | |
850 | return "$ip\/$netmask"; | |
851 | } | |
852 | ||
ac1cfefa | 853 | sub validemail { |
b00797e2 AM |
854 | my $address = shift; |
855 | my @parts = split( /\@/, $address ); | |
856 | my $count=@parts; | |
857 | ||
858 | #check if we have one part before and after '@' | |
859 | return 0 if ( $count != 2 ); | |
860 | ||
861 | #check if one of the parts starts or ends with a dot | |
862 | return 0 if ( substr($parts[0],0,1) eq '.' ); | |
863 | return 0 if ( substr($parts[0],-1,1) eq '.' ); | |
864 | return 0 if ( substr($parts[1],0,1) eq '.' ); | |
865 | return 0 if ( substr($parts[1],-1,1) eq '.' ); | |
866 | ||
867 | #check first addresspart (before '@' sign) | |
cc724c14 | 868 | return 0 if ( $parts[0] !~ m/^[a-zA-Z0-9\.!\-\_\+#]+$/ ); |
b00797e2 AM |
869 | |
870 | #check second addresspart (after '@' sign) | |
871 | return 0 if ( $parts[1] !~ m/^[a-zA-Z0-9\.\-]+$/ ); | |
872 | ||
ac1cfefa MT |
873 | return 1; |
874 | } | |
875 | ||
c545beb1 MT |
876 | # |
877 | # Currently only vpnmain use this three procs (readhasharray, writehasharray, findhasharray) | |
878 | # The 'key' used is numeric but is perfectly unneeded! This will to be removed so don't use | |
879 | # this code. Vpnmain will be splitted in parts: x509/pki, connection ipsec, connection other,... . | |
880 | # | |
ac1cfefa MT |
881 | sub readhasharray { |
882 | my ($filename, $hash) = @_; | |
883 | %$hash = (); | |
884 | ||
885 | open(FILE, $filename) or die "Unable to read file $filename"; | |
886 | ||
887 | while (<FILE>) { | |
888 | my ($key, $rest, @temp); | |
889 | chomp; | |
890 | ($key, $rest) = split (/,/, $_, 2); | |
c545beb1 | 891 | if ($key =~ /^[0-9]+$/) { |
ac1cfefa MT |
892 | @temp = split (/,/, $rest); |
893 | $hash->{$key} = \@temp; | |
894 | } | |
895 | } | |
896 | close FILE; | |
897 | return; | |
898 | } | |
899 | ||
900 | sub writehasharray { | |
901 | my ($filename, $hash) = @_; | |
902 | my ($key, @temp, $i); | |
903 | ||
904 | open(FILE, ">$filename") or die "Unable to write to file $filename"; | |
905 | ||
906 | foreach $key (keys %$hash) { | |
8c877a82 AM |
907 | if ($key =~ /^[0-9]+$/) { |
908 | print FILE "$key"; | |
909 | foreach $i (0 .. $#{$hash->{$key}}) { | |
910 | print FILE ",$hash->{$key}[$i]"; | |
911 | } | |
912 | print FILE "\n"; | |
913 | } | |
ac1cfefa MT |
914 | } |
915 | close FILE; | |
916 | return; | |
917 | } | |
918 | ||
919 | sub findhasharraykey { | |
920 | foreach my $i (1 .. 1000000) { | |
921 | if ( ! exists $_[0]{$i}) { | |
922 | return $i; | |
923 | } | |
924 | } | |
925 | } | |
926 | ||
927 | sub srtarray | |
928 | # Darren Critchley - darrenc@telus.net - (c) 2003 | |
929 | # &srtarray(SortOrder, AlphaNumeric, SortDirection, ArrayToBeSorted) | |
930 | # This subroutine will take the following parameters: | |
931 | # ColumnNumber = the column which you want to sort on, starts at 1 | |
932 | # AlphaNumberic = a or n (lowercase) defines whether the sort should be alpha or numberic | |
933 | # SortDirection = asc or dsc (lowercase) Ascending or Descending sort | |
934 | # ArrayToBeSorted = the array that wants sorting | |
935 | # | |
936 | # Returns an array that is sorted to your specs | |
937 | # | |
938 | # If SortOrder is greater than the elements in array, then it defaults to the first element | |
939 | # | |
940 | { | |
941 | my ($colno, $alpnum, $srtdir, @tobesorted) = @_; | |
942 | my @tmparray; | |
943 | my @srtedarray; | |
944 | my $line; | |
945 | my $newline; | |
946 | my $ctr; | |
947 | my $ttlitems = scalar @tobesorted; # want to know the number of rows in the passed array | |
948 | if ($ttlitems < 1){ # if no items, don't waste our time lets leave | |
949 | return (@tobesorted); | |
950 | } | |
951 | my @tmp = split(/\,/,$tobesorted[0]); | |
952 | $ttlitems = scalar @tmp; # this should be the number of elements in each row of the passed in array | |
953 | ||
954 | # Darren Critchley - validate parameters | |
955 | if ($colno > $ttlitems){$colno = '1';} | |
956 | $colno--; # remove one from colno to deal with arrays starting at 0 | |
957 | if($colno < 0){$colno = '0';} | |
958 | if ($alpnum ne '') { $alpnum = lc($alpnum); } else { $alpnum = 'a'; } | |
959 | if ($srtdir ne '') { $srtdir = lc($srtdir); } else { $srtdir = 'src'; } | |
960 | ||
961 | foreach $line (@tobesorted) | |
962 | { | |
963 | chomp($line); | |
964 | if ($line ne '') { | |
965 | my @temp = split(/\,/,$line); | |
966 | # Darren Critchley - juggle the fields so that the one we want to sort on is first | |
967 | my $tmpholder = $temp[0]; | |
968 | $temp[0] = $temp[$colno]; | |
969 | $temp[$colno] = $tmpholder; | |
970 | $newline = ""; | |
971 | for ($ctr=0; $ctr < $ttlitems ; $ctr++) { | |
972 | $newline=$newline . $temp[$ctr] . ","; | |
973 | } | |
974 | chop($newline); | |
975 | push(@tmparray,$newline); | |
976 | } | |
977 | } | |
978 | if ($alpnum eq 'n') { | |
979 | @tmparray = sort {$a <=> $b} @tmparray; | |
980 | } else { | |
981 | @tmparray = (sort @tmparray); | |
982 | } | |
983 | foreach $line (@tmparray) | |
984 | { | |
985 | chomp($line); | |
986 | if ($line ne '') { | |
987 | my @temp = split(/\,/,$line); | |
988 | my $tmpholder = $temp[0]; | |
989 | $temp[0] = $temp[$colno]; | |
990 | $temp[$colno] = $tmpholder; | |
991 | $newline = ""; | |
992 | for ($ctr=0; $ctr < $ttlitems ; $ctr++){ | |
993 | $newline=$newline . $temp[$ctr] . ","; | |
994 | } | |
995 | chop($newline); | |
996 | push(@srtedarray,$newline); | |
997 | } | |
998 | } | |
999 | ||
1000 | if ($srtdir eq 'dsc') { | |
1001 | @tmparray = reverse(@srtedarray); | |
1002 | return (@tmparray); | |
1003 | } else { | |
1004 | return (@srtedarray); | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | sub FetchPublicIp { | |
1009 | my %proxysettings; | |
1010 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
1011 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
1012 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
1013 | Net::SSLeay::set_proxy($peer,$peerport,$proxysettings{'UPSTREAM_USER'},$proxysettings{'UPSTREAM_PASSWORD'} ); | |
1014 | } | |
b2f8244a | 1015 | my $user_agent = &MakeUserAgent(); |
0aa0cdcd | 1016 | my ($out, $response) = Net::SSLeay::get_http( 'checkip4.dns.lightningwirelabs.com', |
ac1cfefa MT |
1017 | 80, |
1018 | "/", | |
b2f8244a | 1019 | Net::SSLeay::make_headers('User-Agent' => $user_agent ) |
ac1cfefa MT |
1020 | ); |
1021 | if ($response =~ m%HTTP/1\.. 200 OK%) { | |
5a2935b1 | 1022 | $out =~ /Your IP address is: (\d+.\d+.\d+.\d+)/; |
ac1cfefa MT |
1023 | return $1; |
1024 | } | |
1025 | return ''; | |
1026 | } | |
1027 | ||
1028 | # | |
1029 | # Check if hostname.domain provided have IP provided | |
1030 | # use gethostbyname to verify that | |
1031 | # Params: | |
1032 | # IP | |
1033 | # hostname | |
1034 | # domain | |
1035 | # Output | |
1036 | # 1 IP matches host.domain | |
1037 | # 0 not in sync | |
1038 | # | |
1039 | sub DyndnsServiceSync ($;$;$) { | |
1040 | ||
1041 | my ($ip,$hostName,$domain) = @_; | |
1042 | my @addresses; | |
1043 | ||
1044 | #fix me no ip GROUP, what is the name ? | |
1045 | $hostName =~ s/$General::noipprefix//; | |
1046 | if ($hostName) { #may be empty | |
1047 | $hostName = "$hostName.$domain"; | |
1048 | @addresses = gethostbyname($hostName); | |
1049 | } | |
1050 | ||
1051 | if ($addresses[0] eq '') { # nothing returned ? | |
1052 | $hostName = $domain; # try resolving with domain only | |
1053 | @addresses = gethostbyname($hostName); | |
1054 | } | |
1055 | ||
1056 | if ($addresses[0] ne '') { # got something ? | |
1057 | #&General::log("name:$addresses[0], alias:$addresses[1]"); | |
1058 | # Build clear text list of IP | |
1059 | @addresses = map ( &Socket::inet_ntoa($_), @addresses[4..$#addresses]); | |
1060 | if (grep (/$ip/, @addresses)) { | |
1061 | return 1; | |
1062 | } | |
1063 | } | |
1064 | return 0; | |
1065 | } | |
1066 | # | |
1067 | # This sub returns the red IP used to compare in DyndnsServiceSync | |
1068 | # | |
1069 | sub GetDyndnsRedIP { | |
1070 | my %settings; | |
1071 | &General::readhash("${General::swroot}/ddns/settings", \%settings); | |
1072 | ||
1073 | open(IP, "${General::swroot}/red/local-ipaddress") or return 'unavailable'; | |
1074 | my $ip = <IP>; | |
1075 | close(IP); | |
1076 | chomp $ip; | |
1077 | ||
057dbeeb | 1078 | # 100.64.0.0/10 is reserved for dual-stack lite (http://tools.ietf.org/html/rfc6598). |
ac1cfefa MT |
1079 | if (&General::IpInSubnet ($ip,'10.0.0.0','255.0.0.0') || |
1080 | &General::IpInSubnet ($ip,'172.16.0.0.','255.240.0.0') || | |
057dbeeb MT |
1081 | &General::IpInSubnet ($ip,'192.168.0.0','255.255.0.0') || |
1082 | &General::IpInSubnet ($ip,'100.64.0.0', '255.192.0.0')) | |
ac1cfefa MT |
1083 | { |
1084 | if ($settings{'BEHINDROUTER'} eq 'FETCH_IP') { | |
1085 | my $RealIP = &General::FetchPublicIp; | |
1086 | $ip = (&General::validip ($RealIP) ? $RealIP : 'unavailable'); | |
1087 | } | |
1088 | } | |
1089 | return $ip; | |
1090 | } | |
c545beb1 MT |
1091 | |
1092 | # Translate ICMP code to text | |
1093 | # ref: http://www.iana.org/assignments/icmp-parameters | |
1094 | sub GetIcmpDescription ($) { | |
1095 | my $index = shift; | |
1096 | my @icmp_description = ( | |
1097 | 'Echo Reply', #0 | |
1098 | 'Unassigned', | |
1099 | 'Unassigned', | |
1100 | 'Destination Unreachable', | |
1101 | 'Source Quench', | |
1102 | 'Redirect', | |
1103 | 'Alternate Host Address', | |
1104 | 'Unassigned', | |
1105 | 'Echo', | |
1106 | 'Router Advertisement', | |
1107 | 'Router Solicitation', #10 | |
1108 | 'Time Exceeded', | |
1109 | 'Parameter Problem', | |
1110 | 'Timestamp', | |
1111 | 'Timestamp Reply', | |
1112 | 'Information Request', | |
1113 | 'Information Reply', | |
1114 | 'Address Mask Request', | |
1115 | 'Address Mask Reply', | |
1116 | 'Reserved (for Security)', | |
1117 | 'Reserved (for Robustness Experiment)', #20 | |
1118 | 'Reserved', | |
1119 | 'Reserved', | |
1120 | 'Reserved', | |
1121 | 'Reserved', | |
1122 | 'Reserved', | |
1123 | 'Reserved', | |
1124 | 'Reserved', | |
1125 | 'Reserved', | |
1126 | 'Reserved', | |
1127 | 'Traceroute', #30 | |
1128 | 'Datagram Conversion Error', | |
1129 | 'Mobile Host Redirect', | |
1130 | 'IPv6 Where-Are-You', | |
1131 | 'IPv6 I-Am-Here', | |
1132 | 'Mobile Registration Request', | |
1133 | 'Mobile Registration Reply', | |
1134 | 'Domain Name Request', | |
1135 | 'Domain Name Reply', | |
1136 | 'SKIP', | |
1137 | 'Photur', #40 | |
1138 | 'Experimental'); | |
a2b3eba9 | 1139 | if ($index>41) {return 'unknown'} else {return $icmp_description[$index]}; |
c545beb1 | 1140 | } |
b2f8244a MT |
1141 | |
1142 | sub GetCoreUpdateVersion() { | |
1143 | my $core_update; | |
1144 | ||
1145 | open(FILE, "/opt/pakfire/db/core/mine"); | |
1146 | while (<FILE>) { | |
1147 | $core_update = $_; | |
1148 | last; | |
1149 | } | |
1150 | close(FILE); | |
1151 | ||
1152 | return $core_update; | |
1153 | } | |
1154 | ||
1155 | sub MakeUserAgent() { | |
1156 | my $user_agent = "IPFire/$General::version"; | |
1157 | ||
1158 | my $core_update = &GetCoreUpdateVersion(); | |
1159 | if ($core_update ne "") { | |
1160 | $user_agent .= "/$core_update"; | |
1161 | } | |
1162 | ||
1163 | return $user_agent; | |
1164 | } | |
1165 | ||
61027579 MT |
1166 | sub RedIsWireless() { |
1167 | # This function checks if a network device is a wireless device. | |
1168 | ||
1169 | my %settings = (); | |
1170 | &readhash("${General::swroot}/ethernet/settings", \%settings); | |
1171 | ||
1172 | # Find the name of the network device. | |
1173 | my $device = $settings{'RED_DEV'}; | |
1174 | ||
1175 | # Exit, if no device is configured. | |
1176 | return 0 if ($device eq ""); | |
1177 | ||
1178 | # Return 1 if the device is a wireless one. | |
1179 | my $path = "/sys/class/net/$device/wireless"; | |
1180 | if (-d $path) { | |
1181 | return 1; | |
1182 | } | |
1183 | ||
1184 | # Otherwise return zero. | |
1185 | return 0; | |
1186 | } | |
1187 | ||
dfee7582 SS |
1188 | # Function to read a file with UTF-8 charset. |
1189 | sub read_file_utf8 ($) { | |
1190 | my ($file) = @_; | |
1191 | ||
1192 | open my $in, '<:encoding(UTF-8)', $file or die "Could not open '$file' for reading $!"; | |
1193 | local $/ = undef; | |
1194 | my $all = <$in>; | |
1195 | close $in; | |
1196 | ||
3e862ce4 | 1197 | return $all; |
dfee7582 SS |
1198 | } |
1199 | ||
1200 | # Function to write a file with UTF-8 charset. | |
1201 | sub write_file_utf8 ($) { | |
1202 | my ($file, $content) = @_; | |
1203 | ||
1204 | open my $out, '>:encoding(UTF-8)', $file or die "Could not open '$file' for writing $!";; | |
1205 | print $out $content; | |
1206 | close $out; | |
1207 | ||
1208 | return; | |
1209 | } | |
1210 | ||
6d8eb5de | 1211 | my $FIREWALL_RELOAD_INDICATOR = "${General::swroot}/firewall/reread"; |
0e430797 MT |
1212 | |
1213 | sub firewall_config_changed() { | |
1214 | open FILE, ">$FIREWALL_RELOAD_INDICATOR" or die "Could not open $FIREWALL_RELOAD_INDICATOR"; | |
1215 | close FILE; | |
1216 | } | |
1217 | ||
1218 | sub firewall_needs_reload() { | |
1219 | if (-e "$FIREWALL_RELOAD_INDICATOR") { | |
1220 | return 1; | |
1221 | } | |
1222 | ||
1223 | return 0; | |
1224 | } | |
1225 | ||
1226 | sub firewall_reload() { | |
2a52353f | 1227 | &system("/usr/local/bin/firewallctrl"); |
0e430797 MT |
1228 | } |
1229 | ||
4cb523d4 | 1230 | # Function which will return the used interface for the red network zone (red0, ppp0, etc). |
110d4c81 | 1231 | # if you change this also check speed.cgi that include a local copy for systemload reasons |
4cb523d4 SS |
1232 | sub get_red_interface() { |
1233 | ||
1234 | open(IFACE, "${General::swroot}/red/iface") or die "Could not open /var/ipfire/red/iface"; | |
1235 | ||
1236 | my $interface = <IFACE>; | |
1237 | close(IFACE); | |
1238 | chomp $interface; | |
1239 | ||
1240 | return $interface; | |
1241 | } | |
1242 | ||
1a3323f2 DW |
1243 | sub number_cpu_cores() { |
1244 | open my $cpuinfo, "/proc/cpuinfo" or die "Can't open cpuinfo: $!\n"; | |
1245 | my $cores = scalar (map /^processor/, <$cpuinfo>); | |
1246 | close $cpuinfo; | |
1247 | ||
1248 | return $cores; | |
1249 | } | |
183b23b5 | 1250 | |
97022524 SS |
1251 | # Tiny function to grab a single IP-address from a given file. |
1252 | sub grab_address_from_file($) { | |
1253 | my ($file) = @_; | |
1254 | ||
1255 | my $address; | |
1256 | ||
1257 | # Check if the given file exists. | |
1258 | if(-f $file) { | |
1259 | # Open the file for reading. | |
1260 | open(FILE, $file) or die "Could not read from $file. $!\n"; | |
1261 | ||
1262 | # Read the address from the file. | |
1263 | $address = <FILE>; | |
1264 | ||
1265 | # Close filehandle. | |
1266 | close(FILE); | |
1267 | ||
1268 | # Remove newlines. | |
1269 | chomp($address); | |
1270 | ||
1271 | # Check if the obtained address is valid. | |
1272 | if (&validip($address)) { | |
1273 | # Return the address. | |
1274 | return $address; | |
1275 | } | |
1276 | } | |
1277 | ||
1278 | # Return nothing. | |
1279 | return; | |
1280 | } | |
1281 | ||
c8dcd465 SS |
1282 | # Function to get all configured and enabled nameservers. |
1283 | sub get_nameservers () { | |
1284 | my %settings; | |
1285 | my %servers; | |
1286 | ||
1287 | my @nameservers; | |
1288 | ||
1289 | # Read DNS configuration. | |
1290 | &readhash("$General::swroot/dns/settings", \%settings); | |
1291 | ||
1292 | # Read configured DNS servers. | |
1293 | &readhasharray("$General::swroot/dns/servers", \%servers); | |
1294 | ||
1295 | # Check if the ISP assigned server should be used. | |
1296 | if ($settings{'USE_ISP_NAMESERVERS'} eq "on") { | |
1297 | # Assign ISP nameserver files. | |
1298 | my @ISP_nameserver_files = ( "/var/run/dns1", "/var/run/dns2" ); | |
1299 | ||
1300 | # Loop through the array of ISP assigned DNS servers. | |
1301 | foreach my $file (@ISP_nameserver_files) { | |
1302 | # Grab the IP address. | |
1303 | my $address = &grab_address_from_file($file); | |
1304 | ||
1305 | # Check if an address has been grabbed. | |
1306 | if ($address) { | |
1307 | # Add the address to the array of nameservers. | |
1308 | push(@nameservers, $address); | |
1309 | } | |
1310 | } | |
1311 | } | |
1312 | ||
1313 | # Check if DNS servers are configured. | |
1314 | if (%servers) { | |
1315 | # Loop through the hash of configured DNS servers. | |
1316 | foreach my $id (keys %servers) { | |
1317 | my $address = $servers{$id}[0]; | |
1318 | my $status = $servers{$id}[2]; | |
1319 | ||
1320 | # Check if the current processed server is enabled. | |
1321 | if ($status eq "enabled") { | |
1322 | # Add the address to the array of nameservers. | |
1323 | push(@nameservers, $address); | |
1324 | } | |
1325 | } | |
1326 | } | |
1327 | ||
1328 | # Return the array. | |
e8adbea9 | 1329 | return &uniq(@nameservers); |
c8dcd465 SS |
1330 | } |
1331 | ||
c5f85b11 SS |
1332 | # Function to format a string containing the amount of bytes to |
1333 | # something human-readable. | |
1334 | sub formatBytes { | |
1335 | # Private array which contains the units. | |
1336 | my @units = qw(B KB MB GB TB PB); | |
1337 | ||
1338 | my $bytes = shift; | |
1339 | my $unit; | |
1340 | ||
1341 | # Loop through the array of units. | |
1342 | foreach my $element (@units) { | |
25932be3 SS |
1343 | # Assign current processed element to unit. |
1344 | $unit = $element; | |
1345 | ||
c5f85b11 SS |
1346 | # Break loop if the bytes are less than the next unit. |
1347 | last if $bytes < 1024; | |
1348 | ||
1349 | # Divide bytes amount with 1024. | |
1350 | $bytes /= 1024; | |
c5f85b11 SS |
1351 | } |
1352 | ||
1353 | # Return the divided and rounded bytes count and the unit. | |
1354 | return sprintf("%.2f %s", $bytes, $unit); | |
1355 | } | |
1356 | ||
ca1f4a07 SS |
1357 | # Function to collect and generate a hash for translating protocol numbers into |
1358 | # their names. | |
1359 | sub generateProtoTransHash () { | |
1360 | # File which contains the protocol definitions. | |
1361 | my $protocols_file = "/etc/protocols"; | |
1362 | ||
1363 | my %protocols = (); | |
1364 | ||
1365 | # Open protocols file. | |
1366 | open(FILE, "$protocols_file") or die "Could not open $protocols_file. $!\n"; | |
1367 | ||
1368 | # Loop through the file. | |
1369 | while (my $line = <FILE>) { | |
1370 | # Skip comments. | |
1371 | next if ($line =~ /^\#/); | |
1372 | ||
1373 | # Skip blank lines. | |
1374 | next if ($line =~ /^\s*$/); | |
1375 | ||
1376 | # Remove any newlines. | |
1377 | chomp($line); | |
1378 | ||
1379 | # Split line content. | |
1380 | my ($protocol_lc, $number, $protocol_uc, $comment) = split(' ', $line); | |
1381 | ||
1382 | # Add proto details to the hash of protocols. | |
1383 | $protocols{$number} = $protocol_uc; | |
1384 | } | |
1385 | ||
1386 | # Close file handle. | |
1387 | close(FILE); | |
1388 | ||
1389 | # Return the hash. | |
1390 | return %protocols; | |
1391 | } | |
1392 | ||
4e58ab4b MT |
1393 | # Cloud Stuff |
1394 | ||
46b0f9ab MT |
1395 | sub running_in_cloud() { |
1396 | return &running_on_ec2() || &running_on_gcp(); | |
1397 | } | |
1398 | ||
4e58ab4b MT |
1399 | sub running_on_ec2() { |
1400 | if (-e "/var/run/aws-instance-id") { | |
1401 | return 1; | |
1402 | } | |
1403 | ||
1404 | return 0; | |
1405 | } | |
1406 | ||
e7978f56 MT |
1407 | sub running_on_gcp() { |
1408 | if (-e "/var/run/gcp-instance-id") { | |
1409 | return 1; | |
1410 | } | |
1411 | ||
1412 | return 0; | |
1413 | } | |
1414 | ||
ac1cfefa | 1415 | 1; |