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ac1cfefa MT |
1 | # SmoothWall CGIs |
2 | # | |
3 | # This code is distributed under the terms of the GPL | |
4 | # | |
5 | # (c) The SmoothWall Team | |
6 | # Copyright (C) 2002 Alex Hudson - getcgihash() rewrite | |
7 | # Copyright (C) 2002 Bob Grant <bob@cache.ucr.edu> - validmac() | |
8 | # Copyright (c) 2002/04/13 Steve Bootes - add alias section, helper functions | |
9 | # Copyright (c) 2002/08/23 Mark Wormgoor <mark@wormgoor.com> validfqdn() | |
10 | # Copyright (c) 2003/09/11 Darren Critchley <darrenc@telus.net> srtarray() | |
11 | # | |
12 | # $Id: general-functions.pl,v 1.1.2.26 2006/01/04 16:33:55 franck78 Exp $ | |
13 | # | |
14 | ||
15 | package General; | |
16 | ||
17 | use strict; | |
18 | use Socket; | |
19 | use IO::Socket; | |
c545beb1 | 20 | use Net::SSLeay; |
8c877a82 | 21 | use Net::IPv4Addr qw(:all); |
ac1cfefa MT |
22 | $|=1; # line buffering |
23 | ||
776a1761 MT |
24 | $General::version = 'VERSION'; |
25 | $General::swroot = 'CONFIG_ROOT'; | |
ac1cfefa | 26 | $General::noipprefix = 'noipg-'; |
c545beb1 | 27 | $General::adminmanualurl = 'http://wiki.ipfire.org'; |
ac1cfefa | 28 | |
c545beb1 MT |
29 | # |
30 | # log ("message") use default 'ipcop' tag | |
31 | # log ("tag","message") use your tag | |
32 | # | |
ac1cfefa MT |
33 | sub log |
34 | { | |
c545beb1 MT |
35 | my $tag='ipfire'; |
36 | $tag = shift if (@_>1); | |
ac1cfefa MT |
37 | my $logmessage = $_[0]; |
38 | $logmessage =~ /([\w\W]*)/; | |
39 | $logmessage = $1; | |
77007ce5 | 40 | system('logger', '-t', $tag, $logmessage); |
ac1cfefa | 41 | } |
111c99dd MT |
42 | sub setup_default_networks |
43 | { | |
44 | my %netsettings=(); | |
45 | my $defaultNetworks = shift; | |
46 | ||
47 | &readhash("/var/ipfire/ethernet/settings", \%netsettings); | |
48 | ||
49 | # Get current defined networks (Red, Green, Blue, Orange) | |
50 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'IPT'} = "0.0.0.0/0.0.0.0"; | |
51 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'NAME'} = "ALL"; | |
52 | ||
53 | $defaultNetworks->{$Lang::tr{'green'}}{'IPT'} = "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}"; | |
68f6312a | 54 | $defaultNetworks->{$Lang::tr{'green'}}{'NET'} = "$netsettings{'GREEN_ADDRESS'}"; |
111c99dd MT |
55 | $defaultNetworks->{$Lang::tr{'green'}}{'NAME'} = "GREEN"; |
56 | ||
b9648e58 | 57 | if ($netsettings{'RED_DEV'} ne ''){ |
223d3b1d | 58 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'IPT'} = "$netsettings{'RED_NETADDRESS'}/$netsettings{'RED_NETMASK'}"; |
68f6312a | 59 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NET'} = "$netsettings{'RED_ADDRESS'}"; |
223d3b1d | 60 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NAME'} = "RED"; |
b9648e58 | 61 | } |
111c99dd MT |
62 | if ($netsettings{'ORANGE_DEV'} ne ''){ |
63 | $defaultNetworks->{$Lang::tr{'orange'}}{'IPT'} = "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"; | |
68f6312a | 64 | $defaultNetworks->{$Lang::tr{'orange'}}{'NET'} = "$netsettings{'ORANGE_ADDRESS'}"; |
111c99dd MT |
65 | $defaultNetworks->{$Lang::tr{'orange'}}{'NAME'} = "ORANGE"; |
66 | } | |
67 | ||
68 | if ($netsettings{'BLUE_DEV'} ne ''){ | |
69 | $defaultNetworks->{$Lang::tr{'blue'}}{'IPT'} = "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"; | |
68f6312a | 70 | $defaultNetworks->{$Lang::tr{'blue'}}{'NET'} = "$netsettings{'BLUE_ADDRESS'}"; |
111c99dd MT |
71 | $defaultNetworks->{$Lang::tr{'blue'}}{'NAME'} = "BLUE"; |
72 | } | |
c7043621 AM |
73 | |
74 | #IPFire himself | |
75 | $defaultNetworks->{'IPFire'}{'NAME'} = "IPFire"; | |
111c99dd MT |
76 | |
77 | # OpenVPN | |
78 | if(-e "${General::swroot}/ovpn/settings") | |
79 | { | |
80 | my %ovpnSettings = (); | |
81 | &readhash("${General::swroot}/ovpn/settings", \%ovpnSettings); | |
82 | ||
83 | # OpenVPN on Red? | |
84 | if(defined($ovpnSettings{'DOVPN_SUBNET'})) | |
85 | { | |
86 | my ($ip,$sub) = split(/\//,$ovpnSettings{'DOVPN_SUBNET'}); | |
87 | $sub=&General::iporsubtocidr($sub); | |
88 | my @tempovpnsubnet = split("\/", $ovpnSettings{'DOVPN_SUBNET'}); | |
1a8fde0e AM |
89 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'ADR'} = $tempovpnsubnet[0]; |
90 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'NAME'} = "OpenVPN-Dyn"; | |
111c99dd MT |
91 | } |
92 | } # end OpenVPN | |
93 | # IPsec RW NET | |
94 | if(-e "${General::swroot}/vpn/settings") | |
95 | { | |
96 | my %ipsecsettings = (); | |
97 | &readhash("${General::swroot}/vpn/settings", \%ipsecsettings); | |
98 | if($ipsecsettings{'RW_NET'} ne '') | |
99 | { | |
100 | my ($ip,$sub) = split(/\//,$ipsecsettings{'RW_NET'}); | |
101 | $sub=&General::iporsubtocidr($sub); | |
102 | my @tempipsecsubnet = split("\/", $ipsecsettings{'RW_NET'}); | |
6ee90535 AM |
103 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'ADR'} = $tempipsecsubnet[0]; |
104 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NAME'} = "IPsec RW"; | |
105 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NET'} = &getnextip($ip); | |
111c99dd MT |
106 | } |
107 | } | |
111c99dd MT |
108 | } |
109 | sub get_aliases | |
110 | { | |
111 | ||
112 | my $defaultNetworks = shift; | |
113 | open(FILE, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.'; | |
114 | my @current = <FILE>; | |
115 | close(FILE); | |
116 | my $ctr = 0; | |
117 | foreach my $line (@current) | |
118 | { | |
119 | if ($line ne ''){ | |
120 | chomp($line); | |
121 | my @temp = split(/\,/,$line); | |
122 | if ($temp[2] eq '') { | |
123 | $temp[2] = "Alias $ctr : $temp[0]"; | |
124 | } | |
125 | $defaultNetworks->{$temp[2]}{'IPT'} = "$temp[0]"; | |
68f6312a | 126 | $defaultNetworks->{$temp[2]}{'NET'} = "$temp[0]"; |
111c99dd MT |
127 | |
128 | $ctr++; | |
129 | } | |
130 | } | |
131 | } | |
ac1cfefa MT |
132 | |
133 | sub readhash | |
134 | { | |
135 | my $filename = $_[0]; | |
136 | my $hash = $_[1]; | |
137 | my ($var, $val); | |
138 | ||
139 | ||
140 | # Some ipcop code expects that readhash 'complete' the hash if new entries | |
141 | # are presents. Not clear it !!! | |
142 | #%$hash = (); | |
143 | ||
144 | open(FILE, $filename) or die "Unable to read file $filename"; | |
145 | ||
146 | while (<FILE>) | |
147 | { | |
148 | chop; | |
149 | ($var, $val) = split /=/, $_, 2; | |
150 | if ($var) | |
151 | { | |
152 | $val =~ s/^\'//g; | |
153 | $val =~ s/\'$//g; | |
154 | ||
155 | # Untaint variables read from hash | |
77007ce5 MT |
156 | # trim space from begin and end |
157 | $var =~ s/^\s+//; | |
158 | $var =~ s/\s+$//; | |
159 | $var =~ /([A-Za-z0-9_-]*)/; | |
160 | $var = $1; | |
161 | $val =~ /([\w\W]*)/; | |
162 | $val = $1; | |
ac1cfefa MT |
163 | $hash->{$var} = $val; |
164 | } | |
165 | } | |
166 | close FILE; | |
167 | } | |
168 | ||
169 | ||
170 | sub writehash | |
171 | { | |
172 | my $filename = $_[0]; | |
173 | my $hash = $_[1]; | |
174 | my ($var, $val); | |
175 | ||
176 | # write cgi vars to the file. | |
177 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
178 | flock FILE, 2; | |
179 | foreach $var (keys %$hash) | |
180 | { | |
ad60e3ea | 181 | if ( $var eq "__CGI__"){next;} |
ac1cfefa MT |
182 | $val = $hash->{$var}; |
183 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
184 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
185 | # some serious grief! This skips the variable.x and variable.y | |
186 | if (!($var =~ /(.x|.y)$/)) { | |
187 | if ($val =~ / /) { | |
188 | $val = "\'$val\'"; } | |
189 | if (!($var =~ /^ACTION/)) { | |
190 | print FILE "${var}=${val}\n"; } | |
191 | } | |
192 | } | |
193 | close FILE; | |
194 | } | |
195 | ||
90c2e164 CS |
196 | sub writehashpart |
197 | { | |
198 | # This function replaces the given hash in the original hash by keeping the old | |
199 | # content and just replacing the new content | |
200 | ||
201 | my $filename = $_[0]; | |
202 | my $newhash = $_[1]; | |
203 | my %oldhash; | |
204 | my ($var, $val); | |
205 | ||
206 | readhash("${filename}", \%oldhash); | |
207 | ||
208 | foreach $var (keys %$newhash){ | |
209 | $oldhash{$var}=$newhash->{$var}; | |
210 | } | |
211 | ||
212 | # write cgi vars to the file. | |
213 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
214 | flock FILE, 2; | |
215 | foreach $var (keys %oldhash) | |
216 | { | |
217 | if ( $var eq "__CGI__"){next;} | |
218 | $val = $oldhash{$var}; | |
219 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
220 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
221 | # some serious grief! This skips the variable.x and variable.y | |
222 | if (!($var =~ /(.x|.y)$/)) { | |
223 | if ($val =~ / /) { | |
224 | $val = "\'$val\'"; } | |
225 | if (!($var =~ /^ACTION/)) { | |
226 | print FILE "${var}=${val}\n"; } | |
227 | } | |
228 | } | |
229 | close FILE; | |
230 | } | |
ac1cfefa | 231 | |
1dc44471 | 232 | sub age { |
ac1cfefa | 233 | my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, |
1dc44471 MT |
234 | $atime, $mtime, $ctime, $blksize, $blocks) = stat $_[0]; |
235 | my $totalsecs = time() - $mtime; | |
236 | my @s = (); | |
ac1cfefa | 237 | |
ac1cfefa | 238 | my $secs = $totalsecs % 60; |
1dc44471 MT |
239 | $totalsecs /= 60; |
240 | if ($secs > 0) { | |
241 | push(@s, "${secs}s"); | |
3687a2e2 JIW |
242 | } |
243 | ||
1dc44471 MT |
244 | my $min = $totalsecs % 60; |
245 | $totalsecs /= 60; | |
246 | if ($min > 0) { | |
247 | push(@s, "${min}m"); | |
3687a2e2 JIW |
248 | } |
249 | ||
1dc44471 MT |
250 | my $hrs = $totalsecs % 24; |
251 | $totalsecs /= 24; | |
252 | if ($hrs > 0) { | |
253 | push(@s, "${hrs}h"); | |
3687a2e2 JIW |
254 | } |
255 | ||
1dc44471 MT |
256 | my $days = int($totalsecs); |
257 | if ($days > 0) { | |
258 | push(@s, "${days}d"); | |
3687a2e2 | 259 | } |
3687a2e2 | 260 | |
1dc44471 | 261 | return join(" ", reverse(@s)); |
ac1cfefa MT |
262 | } |
263 | ||
264 | sub validip | |
265 | { | |
266 | my $ip = $_[0]; | |
267 | ||
268 | if (!($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)) { | |
269 | return 0; } | |
270 | else | |
271 | { | |
272 | my @octets = ($1, $2, $3, $4); | |
273 | foreach $_ (@octets) | |
274 | { | |
275 | if (/^0./) { | |
276 | return 0; } | |
277 | if ($_ < 0 || $_ > 255) { | |
278 | return 0; } | |
279 | } | |
280 | return 1; | |
281 | } | |
282 | } | |
283 | ||
284 | sub validmask | |
285 | { | |
286 | my $mask = $_[0]; | |
287 | ||
288 | # secord part an ip? | |
289 | if (&validip($mask)) { | |
290 | return 1; } | |
291 | # second part a number? | |
292 | if (/^0/) { | |
293 | return 0; } | |
294 | if (!($mask =~ /^\d+$/)) { | |
295 | return 0; } | |
296 | if ($mask >= 0 && $mask <= 32) { | |
297 | return 1; } | |
298 | return 0; | |
299 | } | |
300 | ||
301 | sub validipormask | |
302 | { | |
303 | my $ipormask = $_[0]; | |
304 | ||
305 | # see if it is a IP only. | |
306 | if (&validip($ipormask)) { | |
307 | return 1; } | |
308 | # split it into number and mask. | |
309 | if (!($ipormask =~ /^(.*?)\/(.*?)$/)) { | |
310 | return 0; } | |
311 | my $ip = $1; | |
312 | my $mask = $2; | |
313 | # first part not a ip? | |
314 | if (!(&validip($ip))) { | |
315 | return 0; } | |
316 | return &validmask($mask); | |
317 | } | |
318 | ||
8c877a82 | 319 | sub subtocidr |
ac1cfefa | 320 | { |
8c877a82 AM |
321 | #gets: Subnet in decimal (255.255.255.0) |
322 | #Gives: 24 (The cidr of network) | |
323 | my ($byte1, $byte2, $byte3, $byte4) = split(/\./, $_[0].".0.0.0.0"); | |
324 | my $num = ($byte1 * 16777216) + ($byte2 * 65536) + ($byte3 * 256) + $byte4; | |
325 | my $bin = unpack("B*", pack("N", $num)); | |
326 | my $count = ($bin =~ tr/1/1/); | |
327 | return $count; | |
328 | } | |
ac1cfefa | 329 | |
8c877a82 AM |
330 | sub cidrtosub |
331 | { | |
332 | #gets: Cidr of network (20-30 for ccd) | |
333 | #Konverts 30 to 255.255.255.252 e.g | |
334 | my $cidr=$_[0]; | |
335 | my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr); | |
336 | return "$netmask"; | |
337 | } | |
338 | ||
339 | sub iporsubtodec | |
340 | { | |
341 | #Gets: Ip address or subnetmask in decimal oder CIDR | |
342 | #Gives: What it gets only in CIDR format | |
343 | my $subnet=$_[0]; | |
344 | my $net; | |
345 | my $mask; | |
346 | my $full=0; | |
347 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
348 | ($net,$mask) = split (/\//,$subnet); | |
349 | $full=1; | |
350 | return "$subnet"; | |
351 | }else{ | |
352 | $mask=$subnet; | |
353 | } | |
354 | #Subnet already in decimal and valid? | |
355 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
356 | for (my $i=8;$i<=32;$i++){ | |
357 | if (&General::cidrtosub($i) eq $mask){ | |
358 | if ($full == 0){return $mask;}else{ | |
359 | return $net."/".$mask; | |
360 | } | |
361 | } | |
362 | } | |
363 | } | |
364 | #Subnet in binary format? | |
365 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){ | |
366 | if($full == 0){ return &General::cidrtosub($mask);}else{ | |
367 | return $net."/".&General::cidrtosub($mask); | |
368 | } | |
369 | }else{ | |
370 | return 3; | |
371 | } | |
372 | return 3; | |
373 | } | |
374 | ||
375 | ||
376 | sub iporsubtocidr | |
377 | { | |
378 | #gets: Ip Address or subnetmask in decimal oder CIDR | |
379 | #Gives: What it gets only in CIDR format | |
380 | my $subnet=$_[0]; | |
381 | my $net; | |
382 | my $mask; | |
383 | my $full=0; | |
384 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
385 | ($net,$mask) = split (/\//,$subnet); | |
386 | $full=1; | |
387 | }else{ | |
388 | $mask=$subnet; | |
389 | } | |
390 | #Subnet in decimal and valid? | |
391 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
392 | for (my $i=8;$i<=32;$i++){ | |
393 | if (&General::cidrtosub($i) eq $mask){ | |
394 | if ($full == 0){return &General::subtocidr($mask);}else{ | |
395 | return $net."/".&General::subtocidr($mask); | |
396 | } | |
397 | } | |
398 | } | |
399 | } | |
400 | #Subnet already in binary format? | |
401 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){ | |
402 | if($full == 0){ return $mask;}else{ | |
403 | return $net."/".$mask; | |
404 | } | |
405 | }else{ | |
406 | return 3; | |
407 | } | |
408 | return 3; | |
409 | } | |
410 | ||
411 | sub getnetworkip | |
412 | { | |
413 | #Gets: IP, CIDR (10.10.10.0-255, 24) | |
414 | #Gives: 10.10.10.0 | |
415 | my ($ccdip,$ccdsubnet) = @_; | |
416 | my $ip_address_binary = inet_aton( $ccdip ); | |
417 | my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1); | |
418 | my $network_address = inet_ntoa( $ip_address_binary & $netmask_binary ); | |
419 | return $network_address; | |
420 | } | |
421 | ||
422 | sub getccdbc | |
423 | { | |
424 | #Gets: IP in Form ("192.168.0.0/24") | |
425 | #Gives: Broadcastaddress of network | |
426 | my $ccdnet=$_; | |
427 | my ($ccdip,$ccdsubnet) = split "/",$ccdnet; | |
428 | my $ip_address_binary = inet_aton( $ccdip ); | |
429 | my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1); | |
430 | my $broadcast_address = inet_ntoa( $ip_address_binary | ~$netmask_binary ); | |
431 | return $broadcast_address; | |
432 | } | |
e81be1e1 AM |
433 | |
434 | sub ip2dec | |
435 | { | |
436 | my $ip_num; | |
437 | my $ip=$_[0]; | |
438 | if ( $ip =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/ ) { | |
439 | $ip_num = (($1*256**3) + ($2*256**2) + ($3*256) + $4); | |
440 | } else { | |
441 | $ip_num = -1; | |
442 | } | |
443 | $ip_num = (($1*256**3) + ($2*256**2) + ($3*256) + $4); | |
444 | return($ip_num); | |
445 | } | |
446 | ||
447 | sub dec2ip | |
448 | { | |
449 | my $ip; | |
450 | my $ip_num=$_[0]; | |
451 | my $o1=$ip_num%256; | |
452 | $ip_num=int($ip_num/256); | |
453 | my $o2=$ip_num%256; | |
454 | $ip_num=int($ip_num/256); | |
455 | my $o3=$ip_num%256; | |
456 | $ip_num=int($ip_num/256); | |
457 | my $o4=$ip_num%256; | |
458 | $ip="$o4.$o3.$o2.$o1"; | |
459 | return ($ip); | |
460 | } | |
461 | ||
8c877a82 AM |
462 | sub getnextip |
463 | { | |
e81be1e1 AM |
464 | my $decip=&ip2dec($_[0]); |
465 | $decip=$decip+4; | |
466 | return &dec2ip($decip); | |
8c877a82 | 467 | } |
e81be1e1 | 468 | |
8c877a82 AM |
469 | sub getlastip |
470 | { | |
e81be1e1 AM |
471 | my $decip=&ip2dec($_[0]); |
472 | $decip--; | |
473 | return &dec2ip($decip); | |
8c877a82 AM |
474 | } |
475 | ||
476 | sub validipandmask | |
477 | { | |
478 | #Gets: Ip address in 192.168.0.0/24 or 192.168.0.0/255.255.255.0 and checks if subnet valid | |
479 | #Gives: True bzw 0 if success or false | |
480 | my $ccdnet=$_[0]; | |
481 | my $subcidr; | |
482 | ||
483 | if (!($ccdnet =~ /^(.*?)\/(.*?)$/)) { | |
484 | return 0; | |
485 | } | |
486 | my ($ccdip,$ccdsubnet)=split (/\//, $ccdnet); | |
487 | #IP valid? | |
488 | if ($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 && $4<=255 ))) { | |
489 | #Subnet in decimal and valid? | |
490 | if ($ccdsubnet=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
290007b3 | 491 | for (my $i=8;$i<=32;$i++){ |
8c877a82 AM |
492 | if (&General::cidrtosub($i) eq $ccdsubnet){ |
493 | return 1; | |
494 | } | |
495 | } | |
496 | #Subnet already in binary format? | |
290007b3 | 497 | }elsif ($ccdsubnet=~/^(\d{1,2})$/ && (($1<=32 && $1>=8))){ |
8c877a82 AM |
498 | return 1; |
499 | }else{ | |
500 | return 0; | |
501 | } | |
502 | ||
503 | } | |
504 | return 0; | |
ac1cfefa MT |
505 | } |
506 | ||
e2429e8d AM |
507 | sub checksubnets |
508 | { | |
e2429e8d AM |
509 | my %ccdconfhash=(); |
510 | my @ccdconf=(); | |
511 | my $ccdname=$_[0]; | |
512 | my $ccdnet=$_[1]; | |
513 | my $errormessage; | |
514 | my ($ip,$cidr)=split(/\//,$ccdnet); | |
515 | $cidr=&iporsubtocidr($cidr); | |
e2429e8d AM |
516 | #get OVPN-Subnet (dynamic range) |
517 | my %ovpnconf=(); | |
518 | &readhash("${General::swroot}/ovpn/settings", \%ovpnconf); | |
519 | my ($ovpnip,$ovpncidr)= split (/\//,$ovpnconf{'DOVPN_SUBNET'}); | |
520 | $ovpncidr=&iporsubtocidr($ovpncidr); | |
e2429e8d AM |
521 | #check if we try to use same network as ovpn server |
522 | if ("$ip/$cidr" eq "$ovpnip/$ovpncidr") { | |
523 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnnet'}."<br>"; | |
524 | return $errormessage; | |
525 | } | |
e2429e8d AM |
526 | #check if we use a network-name/subnet that already exists |
527 | &readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash); | |
528 | foreach my $key (keys %ccdconfhash) { | |
529 | @ccdconf=split(/\//,$ccdconfhash{$key}[1]); | |
530 | if ($ccdname eq $ccdconfhash{$key}[0]) | |
531 | { | |
532 | $errormessage=$errormessage.$Lang::tr{'ccd err nameexist'}."<br>"; | |
533 | return $errormessage; | |
534 | } | |
535 | my ($newip,$newsub) = split(/\//,$ccdnet); | |
536 | if (&IpInSubnet($newip,$ccdconf[0],&iporsubtodec($ccdconf[1]))) | |
537 | { | |
538 | $errormessage=$errormessage.$Lang::tr{'ccd err issubnet'}."<br>"; | |
539 | return $errormessage; | |
540 | } | |
e2429e8d | 541 | } |
e2429e8d AM |
542 | #check if we use a ipsec right network which is already defined |
543 | my %ipsecconf=(); | |
544 | &General::readhasharray("${General::swroot}/vpn/config", \%ipsecconf); | |
545 | foreach my $key (keys %ipsecconf){ | |
546 | if ($ipsecconf{$key}[11] ne ''){ | |
e2429e8d AM |
547 | my ($ipsecip,$ipsecsub) = split (/\//, $ipsecconf{$key}[11]); |
548 | $ipsecsub=&iporsubtodec($ipsecsub); | |
f7e3d208 AM |
549 | if($ipsecconf{$key}[1] ne $ccdname){ |
550 | if ( &IpInSubnet ($ip,$ipsecip,$ipsecsub) ){ | |
ac2f7107 | 551 | $errormessage=$Lang::tr{'ccd err isipsecnet'}." Name: $ipsecconf{$key}[1]"; |
f7e3d208 AM |
552 | return $errormessage; |
553 | } | |
e2429e8d AM |
554 | } |
555 | } | |
556 | } | |
e2429e8d AM |
557 | #check if we use one of ipfire's networks (green,orange,blue) |
558 | my %ownnet=(); | |
559 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); | |
560 | if (($ownnet{'GREEN_NETADDRESS'} ne '' && $ownnet{'GREEN_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'GREEN_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err green'};return $errormessage;} | |
561 | if (($ownnet{'ORANGE_NETADDRESS'} ne '' && $ownnet{'ORANGE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'ORANGE_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err orange'};return $errormessage;} | |
562 | if (($ownnet{'BLUE_NETADDRESS'} ne '' && $ownnet{'BLUE_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'BLUE_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err blue'};return $errormessage;} | |
563 | if (($ownnet{'RED_NETADDRESS'} ne '' && $ownnet{'RED_NETADDRESS'} ne '0.0.0.0') && &IpInSubnet($ownnet{'RED_NETADDRESS'},$ip,&iporsubtodec($cidr))){ $errormessage=$Lang::tr{'ccd err red'};return $errormessage;} | |
e2429e8d AM |
564 | } |
565 | ||
566 | ||
ac1cfefa MT |
567 | sub validport |
568 | { | |
569 | $_ = $_[0]; | |
570 | ||
571 | if (!/^\d+$/) { | |
572 | return 0; } | |
573 | if (/^0./) { | |
574 | return 0; } | |
575 | if ($_ >= 1 && $_ <= 65535) { | |
576 | return 1; } | |
577 | return 0; | |
578 | } | |
579 | ||
d30ea451 CS |
580 | sub validproxyport |
581 | { | |
582 | $_ = $_[0]; | |
583 | ||
584 | if (!/^\d+$/) { | |
585 | return 0; } | |
586 | if (/^0./) { | |
587 | return 0; } | |
588 | if ($_ == 53 || $_ == 222 || $_ == 444 || $_ == 81 ) { | |
589 | return 0; } | |
590 | elsif ($_ >= 1 && $_ <= 65535) { | |
591 | return 1; } | |
592 | return 0; | |
593 | } | |
594 | ||
ac1cfefa MT |
595 | sub validmac |
596 | { | |
597 | my $checkmac = $_[0]; | |
598 | my $ot = '[0-9a-f]{2}'; # 2 Hex digits (one octet) | |
599 | if ($checkmac !~ /^$ot:$ot:$ot:$ot:$ot:$ot$/i) | |
600 | { | |
601 | return 0; | |
602 | } | |
603 | return 1; | |
604 | } | |
605 | ||
606 | sub validhostname | |
607 | { | |
608 | # Checks a hostname against RFC1035 | |
609 | my $hostname = $_[0]; | |
610 | ||
611 | # Each part should be at least two characters in length | |
612 | # but no more than 63 characters | |
613 | if (length ($hostname) < 1 || length ($hostname) > 63) { | |
614 | return 0;} | |
615 | # Only valid characters are a-z, A-Z, 0-9 and - | |
8c877a82 | 616 | if ($hostname !~ /^[a-zA-Z0-9-\s]*$/) { |
ac1cfefa MT |
617 | return 0;} |
618 | # First character can only be a letter or a digit | |
619 | if (substr ($hostname, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
620 | return 0;} | |
621 | # Last character can only be a letter or a digit | |
622 | if (substr ($hostname, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
623 | return 0;} | |
624 | return 1; | |
625 | } | |
626 | ||
627 | sub validdomainname | |
628 | { | |
629 | my $part; | |
630 | ||
631 | # Checks a domain name against RFC1035 | |
632 | my $domainname = $_[0]; | |
633 | my @parts = split (/\./, $domainname); # Split hostname at the '.' | |
634 | ||
635 | foreach $part (@parts) { | |
636 | # Each part should be at least two characters in length | |
637 | # but no more than 63 characters | |
638 | if (length ($part) < 2 || length ($part) > 63) { | |
639 | return 0;} | |
640 | # Only valid characters are a-z, A-Z, 0-9 and - | |
641 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
642 | return 0;} | |
643 | # First character can only be a letter or a digit | |
644 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
645 | return 0;} | |
646 | # Last character can only be a letter or a digit | |
647 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
648 | return 0;} | |
649 | } | |
650 | return 1; | |
651 | } | |
652 | ||
653 | sub validfqdn | |
654 | { | |
655 | my $part; | |
656 | ||
657 | # Checks a fully qualified domain name against RFC1035 | |
658 | my $fqdn = $_[0]; | |
659 | my @parts = split (/\./, $fqdn); # Split hostname at the '.' | |
660 | if (scalar(@parts) < 2) { # At least two parts should | |
661 | return 0;} # exist in a FQDN | |
662 | # (i.e. hostname.domain) | |
663 | foreach $part (@parts) { | |
664 | # Each part should be at least one character in length | |
665 | # but no more than 63 characters | |
666 | if (length ($part) < 1 || length ($part) > 63) { | |
667 | return 0;} | |
668 | # Only valid characters are a-z, A-Z, 0-9 and - | |
669 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
670 | return 0;} | |
671 | # First character can only be a letter or a digit | |
672 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
673 | return 0;} | |
674 | # Last character can only be a letter or a digit | |
675 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
676 | return 0;} | |
677 | } | |
678 | return 1; | |
679 | } | |
680 | ||
681 | sub validportrange # used to check a port range | |
682 | { | |
683 | my $port = $_[0]; # port values | |
684 | $port =~ tr/-/:/; # replace all - with colons just in case someone used - | |
685 | my $srcdst = $_[1]; # is it a source or destination port | |
686 | ||
687 | if (!($port =~ /^(\d+)\:(\d+)$/)) { | |
688 | ||
689 | if (!(&validport($port))) { | |
690 | if ($srcdst eq 'src'){ | |
691 | return $Lang::tr{'source port numbers'}; | |
692 | } else { | |
693 | return $Lang::tr{'destination port numbers'}; | |
694 | } | |
695 | } | |
696 | } | |
697 | else | |
698 | { | |
699 | my @ports = ($1, $2); | |
700 | if ($1 >= $2){ | |
701 | if ($srcdst eq 'src'){ | |
702 | return $Lang::tr{'bad source range'}; | |
703 | } else { | |
704 | return $Lang::tr{'bad destination range'}; | |
705 | } | |
706 | } | |
707 | foreach $_ (@ports) | |
708 | { | |
709 | if (!(&validport($_))) { | |
710 | if ($srcdst eq 'src'){ | |
711 | return $Lang::tr{'source port numbers'}; | |
712 | } else { | |
713 | return $Lang::tr{'destination port numbers'}; | |
714 | } | |
715 | } | |
716 | } | |
717 | return; | |
718 | } | |
719 | } | |
720 | ||
721 | # Test if IP is within a subnet | |
722 | # Call: IpInSubnet (Addr, Subnet, Subnet Mask) | |
723 | # Subnet can be an IP of the subnet: 10.0.0.0 or 10.0.0.1 | |
724 | # Everything in dottted notation | |
725 | # Return: TRUE/FALSE | |
726 | sub IpInSubnet | |
727 | { | |
728 | my $ip = unpack('N', &Socket::inet_aton(shift)); | |
729 | my $start = unpack('N', &Socket::inet_aton(shift)); | |
730 | my $mask = unpack('N', &Socket::inet_aton(shift)); | |
731 | $start &= $mask; # base of subnet... | |
732 | my $end = $start + ~$mask; | |
733 | return (($ip >= $start) && ($ip <= $end)); | |
734 | } | |
735 | ||
c545beb1 MT |
736 | # |
737 | # Return the following IP (IP+1) in dotted notation. | |
738 | # Call: NextIP ('1.1.1.1'); | |
739 | # Return: '1.1.1.2' | |
740 | # | |
741 | sub NextIP | |
742 | { | |
743 | return &Socket::inet_ntoa( pack("N", 1 + unpack('N', &Socket::inet_aton(shift)) | |
744 | ) | |
745 | ); | |
746 | } | |
8c877a82 AM |
747 | sub NextIP2 |
748 | { | |
749 | return &Socket::inet_ntoa( pack("N", 4 + unpack('N', &Socket::inet_aton(shift)) | |
750 | ) | |
751 | ); | |
752 | } | |
45762fc6 AF |
753 | sub ipcidr |
754 | { | |
755 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); | |
756 | return "$ip\/$cidr"; | |
757 | } | |
758 | ||
54fd0535 MT |
759 | sub ipcidr2msk |
760 | { | |
761 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); | |
762 | my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr); | |
763 | return "$ip\/$netmask"; | |
764 | } | |
765 | ||
766 | ||
ac1cfefa MT |
767 | sub validemail { |
768 | my $mail = shift; | |
769 | return 0 if ( $mail !~ /^[0-9a-zA-Z\.\-\_]+\@[0-9a-zA-Z\.\-]+$/ ); | |
770 | return 0 if ( $mail =~ /^[^0-9a-zA-Z]|[^0-9a-zA-Z]$/); | |
771 | return 0 if ( $mail !~ /([0-9a-zA-Z]{1})\@./ ); | |
772 | return 0 if ( $mail !~ /.\@([0-9a-zA-Z]{1})/ ); | |
773 | return 0 if ( $mail =~ /.\.\-.|.\-\..|.\.\..|.\-\-./g ); | |
774 | return 0 if ( $mail =~ /.\.\_.|.\-\_.|.\_\..|.\_\-.|.\_\_./g ); | |
775 | return 0 if ( $mail !~ /\.([a-zA-Z]{2,4})$/ ); | |
776 | return 1; | |
777 | } | |
778 | ||
c545beb1 MT |
779 | # |
780 | # Currently only vpnmain use this three procs (readhasharray, writehasharray, findhasharray) | |
781 | # The 'key' used is numeric but is perfectly unneeded! This will to be removed so don't use | |
782 | # this code. Vpnmain will be splitted in parts: x509/pki, connection ipsec, connection other,... . | |
783 | # | |
ac1cfefa MT |
784 | sub readhasharray { |
785 | my ($filename, $hash) = @_; | |
786 | %$hash = (); | |
787 | ||
788 | open(FILE, $filename) or die "Unable to read file $filename"; | |
789 | ||
790 | while (<FILE>) { | |
791 | my ($key, $rest, @temp); | |
792 | chomp; | |
793 | ($key, $rest) = split (/,/, $_, 2); | |
c545beb1 | 794 | if ($key =~ /^[0-9]+$/) { |
ac1cfefa MT |
795 | @temp = split (/,/, $rest); |
796 | $hash->{$key} = \@temp; | |
797 | } | |
798 | } | |
799 | close FILE; | |
800 | return; | |
801 | } | |
802 | ||
803 | sub writehasharray { | |
804 | my ($filename, $hash) = @_; | |
805 | my ($key, @temp, $i); | |
806 | ||
807 | open(FILE, ">$filename") or die "Unable to write to file $filename"; | |
808 | ||
809 | foreach $key (keys %$hash) { | |
8c877a82 AM |
810 | if ($key =~ /^[0-9]+$/) { |
811 | print FILE "$key"; | |
812 | foreach $i (0 .. $#{$hash->{$key}}) { | |
813 | print FILE ",$hash->{$key}[$i]"; | |
814 | } | |
815 | print FILE "\n"; | |
816 | } | |
ac1cfefa MT |
817 | } |
818 | close FILE; | |
819 | return; | |
820 | } | |
821 | ||
822 | sub findhasharraykey { | |
823 | foreach my $i (1 .. 1000000) { | |
824 | if ( ! exists $_[0]{$i}) { | |
825 | return $i; | |
826 | } | |
827 | } | |
828 | } | |
829 | ||
830 | sub srtarray | |
831 | # Darren Critchley - darrenc@telus.net - (c) 2003 | |
832 | # &srtarray(SortOrder, AlphaNumeric, SortDirection, ArrayToBeSorted) | |
833 | # This subroutine will take the following parameters: | |
834 | # ColumnNumber = the column which you want to sort on, starts at 1 | |
835 | # AlphaNumberic = a or n (lowercase) defines whether the sort should be alpha or numberic | |
836 | # SortDirection = asc or dsc (lowercase) Ascending or Descending sort | |
837 | # ArrayToBeSorted = the array that wants sorting | |
838 | # | |
839 | # Returns an array that is sorted to your specs | |
840 | # | |
841 | # If SortOrder is greater than the elements in array, then it defaults to the first element | |
842 | # | |
843 | { | |
844 | my ($colno, $alpnum, $srtdir, @tobesorted) = @_; | |
845 | my @tmparray; | |
846 | my @srtedarray; | |
847 | my $line; | |
848 | my $newline; | |
849 | my $ctr; | |
850 | my $ttlitems = scalar @tobesorted; # want to know the number of rows in the passed array | |
851 | if ($ttlitems < 1){ # if no items, don't waste our time lets leave | |
852 | return (@tobesorted); | |
853 | } | |
854 | my @tmp = split(/\,/,$tobesorted[0]); | |
855 | $ttlitems = scalar @tmp; # this should be the number of elements in each row of the passed in array | |
856 | ||
857 | # Darren Critchley - validate parameters | |
858 | if ($colno > $ttlitems){$colno = '1';} | |
859 | $colno--; # remove one from colno to deal with arrays starting at 0 | |
860 | if($colno < 0){$colno = '0';} | |
861 | if ($alpnum ne '') { $alpnum = lc($alpnum); } else { $alpnum = 'a'; } | |
862 | if ($srtdir ne '') { $srtdir = lc($srtdir); } else { $srtdir = 'src'; } | |
863 | ||
864 | foreach $line (@tobesorted) | |
865 | { | |
866 | chomp($line); | |
867 | if ($line ne '') { | |
868 | my @temp = split(/\,/,$line); | |
869 | # Darren Critchley - juggle the fields so that the one we want to sort on is first | |
870 | my $tmpholder = $temp[0]; | |
871 | $temp[0] = $temp[$colno]; | |
872 | $temp[$colno] = $tmpholder; | |
873 | $newline = ""; | |
874 | for ($ctr=0; $ctr < $ttlitems ; $ctr++) { | |
875 | $newline=$newline . $temp[$ctr] . ","; | |
876 | } | |
877 | chop($newline); | |
878 | push(@tmparray,$newline); | |
879 | } | |
880 | } | |
881 | if ($alpnum eq 'n') { | |
882 | @tmparray = sort {$a <=> $b} @tmparray; | |
883 | } else { | |
884 | @tmparray = (sort @tmparray); | |
885 | } | |
886 | foreach $line (@tmparray) | |
887 | { | |
888 | chomp($line); | |
889 | if ($line ne '') { | |
890 | my @temp = split(/\,/,$line); | |
891 | my $tmpholder = $temp[0]; | |
892 | $temp[0] = $temp[$colno]; | |
893 | $temp[$colno] = $tmpholder; | |
894 | $newline = ""; | |
895 | for ($ctr=0; $ctr < $ttlitems ; $ctr++){ | |
896 | $newline=$newline . $temp[$ctr] . ","; | |
897 | } | |
898 | chop($newline); | |
899 | push(@srtedarray,$newline); | |
900 | } | |
901 | } | |
902 | ||
903 | if ($srtdir eq 'dsc') { | |
904 | @tmparray = reverse(@srtedarray); | |
905 | return (@tmparray); | |
906 | } else { | |
907 | return (@srtedarray); | |
908 | } | |
909 | } | |
910 | ||
911 | sub FetchPublicIp { | |
912 | my %proxysettings; | |
913 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
914 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
915 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
916 | Net::SSLeay::set_proxy($peer,$peerport,$proxysettings{'UPSTREAM_USER'},$proxysettings{'UPSTREAM_PASSWORD'} ); | |
917 | } | |
b2f8244a | 918 | my $user_agent = &MakeUserAgent(); |
0aa0cdcd | 919 | my ($out, $response) = Net::SSLeay::get_http( 'checkip4.dns.lightningwirelabs.com', |
ac1cfefa MT |
920 | 80, |
921 | "/", | |
b2f8244a | 922 | Net::SSLeay::make_headers('User-Agent' => $user_agent ) |
ac1cfefa MT |
923 | ); |
924 | if ($response =~ m%HTTP/1\.. 200 OK%) { | |
5a2935b1 | 925 | $out =~ /Your IP address is: (\d+.\d+.\d+.\d+)/; |
ac1cfefa MT |
926 | return $1; |
927 | } | |
928 | return ''; | |
929 | } | |
930 | ||
931 | # | |
932 | # Check if hostname.domain provided have IP provided | |
933 | # use gethostbyname to verify that | |
934 | # Params: | |
935 | # IP | |
936 | # hostname | |
937 | # domain | |
938 | # Output | |
939 | # 1 IP matches host.domain | |
940 | # 0 not in sync | |
941 | # | |
942 | sub DyndnsServiceSync ($;$;$) { | |
943 | ||
944 | my ($ip,$hostName,$domain) = @_; | |
945 | my @addresses; | |
946 | ||
947 | #fix me no ip GROUP, what is the name ? | |
948 | $hostName =~ s/$General::noipprefix//; | |
949 | if ($hostName) { #may be empty | |
950 | $hostName = "$hostName.$domain"; | |
951 | @addresses = gethostbyname($hostName); | |
952 | } | |
953 | ||
954 | if ($addresses[0] eq '') { # nothing returned ? | |
955 | $hostName = $domain; # try resolving with domain only | |
956 | @addresses = gethostbyname($hostName); | |
957 | } | |
958 | ||
959 | if ($addresses[0] ne '') { # got something ? | |
960 | #&General::log("name:$addresses[0], alias:$addresses[1]"); | |
961 | # Build clear text list of IP | |
962 | @addresses = map ( &Socket::inet_ntoa($_), @addresses[4..$#addresses]); | |
963 | if (grep (/$ip/, @addresses)) { | |
964 | return 1; | |
965 | } | |
966 | } | |
967 | return 0; | |
968 | } | |
969 | # | |
970 | # This sub returns the red IP used to compare in DyndnsServiceSync | |
971 | # | |
972 | sub GetDyndnsRedIP { | |
973 | my %settings; | |
974 | &General::readhash("${General::swroot}/ddns/settings", \%settings); | |
975 | ||
976 | open(IP, "${General::swroot}/red/local-ipaddress") or return 'unavailable'; | |
977 | my $ip = <IP>; | |
978 | close(IP); | |
979 | chomp $ip; | |
980 | ||
057dbeeb | 981 | # 100.64.0.0/10 is reserved for dual-stack lite (http://tools.ietf.org/html/rfc6598). |
ac1cfefa MT |
982 | if (&General::IpInSubnet ($ip,'10.0.0.0','255.0.0.0') || |
983 | &General::IpInSubnet ($ip,'172.16.0.0.','255.240.0.0') || | |
057dbeeb MT |
984 | &General::IpInSubnet ($ip,'192.168.0.0','255.255.0.0') || |
985 | &General::IpInSubnet ($ip,'100.64.0.0', '255.192.0.0')) | |
ac1cfefa MT |
986 | { |
987 | if ($settings{'BEHINDROUTER'} eq 'FETCH_IP') { | |
988 | my $RealIP = &General::FetchPublicIp; | |
989 | $ip = (&General::validip ($RealIP) ? $RealIP : 'unavailable'); | |
990 | } | |
991 | } | |
992 | return $ip; | |
993 | } | |
c545beb1 MT |
994 | |
995 | # Translate ICMP code to text | |
996 | # ref: http://www.iana.org/assignments/icmp-parameters | |
997 | sub GetIcmpDescription ($) { | |
998 | my $index = shift; | |
999 | my @icmp_description = ( | |
1000 | 'Echo Reply', #0 | |
1001 | 'Unassigned', | |
1002 | 'Unassigned', | |
1003 | 'Destination Unreachable', | |
1004 | 'Source Quench', | |
1005 | 'Redirect', | |
1006 | 'Alternate Host Address', | |
1007 | 'Unassigned', | |
1008 | 'Echo', | |
1009 | 'Router Advertisement', | |
1010 | 'Router Solicitation', #10 | |
1011 | 'Time Exceeded', | |
1012 | 'Parameter Problem', | |
1013 | 'Timestamp', | |
1014 | 'Timestamp Reply', | |
1015 | 'Information Request', | |
1016 | 'Information Reply', | |
1017 | 'Address Mask Request', | |
1018 | 'Address Mask Reply', | |
1019 | 'Reserved (for Security)', | |
1020 | 'Reserved (for Robustness Experiment)', #20 | |
1021 | 'Reserved', | |
1022 | 'Reserved', | |
1023 | 'Reserved', | |
1024 | 'Reserved', | |
1025 | 'Reserved', | |
1026 | 'Reserved', | |
1027 | 'Reserved', | |
1028 | 'Reserved', | |
1029 | 'Reserved', | |
1030 | 'Traceroute', #30 | |
1031 | 'Datagram Conversion Error', | |
1032 | 'Mobile Host Redirect', | |
1033 | 'IPv6 Where-Are-You', | |
1034 | 'IPv6 I-Am-Here', | |
1035 | 'Mobile Registration Request', | |
1036 | 'Mobile Registration Reply', | |
1037 | 'Domain Name Request', | |
1038 | 'Domain Name Reply', | |
1039 | 'SKIP', | |
1040 | 'Photur', #40 | |
1041 | 'Experimental'); | |
a2b3eba9 | 1042 | if ($index>41) {return 'unknown'} else {return $icmp_description[$index]}; |
c545beb1 | 1043 | } |
b2f8244a MT |
1044 | |
1045 | sub GetCoreUpdateVersion() { | |
1046 | my $core_update; | |
1047 | ||
1048 | open(FILE, "/opt/pakfire/db/core/mine"); | |
1049 | while (<FILE>) { | |
1050 | $core_update = $_; | |
1051 | last; | |
1052 | } | |
1053 | close(FILE); | |
1054 | ||
1055 | return $core_update; | |
1056 | } | |
1057 | ||
1058 | sub MakeUserAgent() { | |
1059 | my $user_agent = "IPFire/$General::version"; | |
1060 | ||
1061 | my $core_update = &GetCoreUpdateVersion(); | |
1062 | if ($core_update ne "") { | |
1063 | $user_agent .= "/$core_update"; | |
1064 | } | |
1065 | ||
1066 | return $user_agent; | |
1067 | } | |
1068 | ||
61027579 MT |
1069 | sub RedIsWireless() { |
1070 | # This function checks if a network device is a wireless device. | |
1071 | ||
1072 | my %settings = (); | |
1073 | &readhash("${General::swroot}/ethernet/settings", \%settings); | |
1074 | ||
1075 | # Find the name of the network device. | |
1076 | my $device = $settings{'RED_DEV'}; | |
1077 | ||
1078 | # Exit, if no device is configured. | |
1079 | return 0 if ($device eq ""); | |
1080 | ||
1081 | # Return 1 if the device is a wireless one. | |
1082 | my $path = "/sys/class/net/$device/wireless"; | |
1083 | if (-d $path) { | |
1084 | return 1; | |
1085 | } | |
1086 | ||
1087 | # Otherwise return zero. | |
1088 | return 0; | |
1089 | } | |
1090 | ||
dfee7582 SS |
1091 | # Function to read a file with UTF-8 charset. |
1092 | sub read_file_utf8 ($) { | |
1093 | my ($file) = @_; | |
1094 | ||
1095 | open my $in, '<:encoding(UTF-8)', $file or die "Could not open '$file' for reading $!"; | |
1096 | local $/ = undef; | |
1097 | my $all = <$in>; | |
1098 | close $in; | |
1099 | ||
3e862ce4 | 1100 | return $all; |
dfee7582 SS |
1101 | } |
1102 | ||
1103 | # Function to write a file with UTF-8 charset. | |
1104 | sub write_file_utf8 ($) { | |
1105 | my ($file, $content) = @_; | |
1106 | ||
1107 | open my $out, '>:encoding(UTF-8)', $file or die "Could not open '$file' for writing $!";; | |
1108 | print $out $content; | |
1109 | close $out; | |
1110 | ||
1111 | return; | |
1112 | } | |
1113 | ||
6d8eb5de | 1114 | my $FIREWALL_RELOAD_INDICATOR = "${General::swroot}/firewall/reread"; |
0e430797 MT |
1115 | |
1116 | sub firewall_config_changed() { | |
1117 | open FILE, ">$FIREWALL_RELOAD_INDICATOR" or die "Could not open $FIREWALL_RELOAD_INDICATOR"; | |
1118 | close FILE; | |
1119 | } | |
1120 | ||
1121 | sub firewall_needs_reload() { | |
1122 | if (-e "$FIREWALL_RELOAD_INDICATOR") { | |
1123 | return 1; | |
1124 | } | |
1125 | ||
1126 | return 0; | |
1127 | } | |
1128 | ||
1129 | sub firewall_reload() { | |
8039a710 | 1130 | system("/usr/local/bin/firewallctrl"); |
0e430797 MT |
1131 | } |
1132 | ||
ac1cfefa | 1133 | 1; |