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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 | ||
c545beb1 MT |
31 | # |
32 | # log ("message") use default 'ipcop' tag | |
33 | # log ("tag","message") use your tag | |
34 | # | |
ac1cfefa MT |
35 | sub log |
36 | { | |
c545beb1 MT |
37 | my $tag='ipfire'; |
38 | $tag = shift if (@_>1); | |
ac1cfefa MT |
39 | my $logmessage = $_[0]; |
40 | $logmessage =~ /([\w\W]*)/; | |
41 | $logmessage = $1; | |
77007ce5 | 42 | system('logger', '-t', $tag, $logmessage); |
ac1cfefa | 43 | } |
111c99dd MT |
44 | sub setup_default_networks |
45 | { | |
46 | my %netsettings=(); | |
47 | my $defaultNetworks = shift; | |
48 | ||
49 | &readhash("/var/ipfire/ethernet/settings", \%netsettings); | |
50 | ||
51 | # Get current defined networks (Red, Green, Blue, Orange) | |
52 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'IPT'} = "0.0.0.0/0.0.0.0"; | |
53 | $defaultNetworks->{$Lang::tr{'fwhost any'}}{'NAME'} = "ALL"; | |
54 | ||
55 | $defaultNetworks->{$Lang::tr{'green'}}{'IPT'} = "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}"; | |
68f6312a | 56 | $defaultNetworks->{$Lang::tr{'green'}}{'NET'} = "$netsettings{'GREEN_ADDRESS'}"; |
111c99dd MT |
57 | $defaultNetworks->{$Lang::tr{'green'}}{'NAME'} = "GREEN"; |
58 | ||
b9648e58 | 59 | if ($netsettings{'RED_DEV'} ne ''){ |
223d3b1d | 60 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'IPT'} = "$netsettings{'RED_NETADDRESS'}/$netsettings{'RED_NETMASK'}"; |
68f6312a | 61 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NET'} = "$netsettings{'RED_ADDRESS'}"; |
223d3b1d | 62 | $defaultNetworks->{$Lang::tr{'fwdfw red'}}{'NAME'} = "RED"; |
b9648e58 | 63 | } |
111c99dd MT |
64 | if ($netsettings{'ORANGE_DEV'} ne ''){ |
65 | $defaultNetworks->{$Lang::tr{'orange'}}{'IPT'} = "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}"; | |
68f6312a | 66 | $defaultNetworks->{$Lang::tr{'orange'}}{'NET'} = "$netsettings{'ORANGE_ADDRESS'}"; |
111c99dd MT |
67 | $defaultNetworks->{$Lang::tr{'orange'}}{'NAME'} = "ORANGE"; |
68 | } | |
69 | ||
70 | if ($netsettings{'BLUE_DEV'} ne ''){ | |
71 | $defaultNetworks->{$Lang::tr{'blue'}}{'IPT'} = "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}"; | |
68f6312a | 72 | $defaultNetworks->{$Lang::tr{'blue'}}{'NET'} = "$netsettings{'BLUE_ADDRESS'}"; |
111c99dd MT |
73 | $defaultNetworks->{$Lang::tr{'blue'}}{'NAME'} = "BLUE"; |
74 | } | |
c7043621 AM |
75 | |
76 | #IPFire himself | |
77 | $defaultNetworks->{'IPFire'}{'NAME'} = "IPFire"; | |
111c99dd MT |
78 | |
79 | # OpenVPN | |
80 | if(-e "${General::swroot}/ovpn/settings") | |
81 | { | |
82 | my %ovpnSettings = (); | |
83 | &readhash("${General::swroot}/ovpn/settings", \%ovpnSettings); | |
84 | ||
85 | # OpenVPN on Red? | |
86 | if(defined($ovpnSettings{'DOVPN_SUBNET'})) | |
87 | { | |
88 | my ($ip,$sub) = split(/\//,$ovpnSettings{'DOVPN_SUBNET'}); | |
89 | $sub=&General::iporsubtocidr($sub); | |
90 | my @tempovpnsubnet = split("\/", $ovpnSettings{'DOVPN_SUBNET'}); | |
1a8fde0e AM |
91 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'ADR'} = $tempovpnsubnet[0]; |
92 | $defaultNetworks->{'OpenVPN ' ."($ip/$sub)"}{'NAME'} = "OpenVPN-Dyn"; | |
111c99dd MT |
93 | } |
94 | } # end OpenVPN | |
95 | # IPsec RW NET | |
96 | if(-e "${General::swroot}/vpn/settings") | |
97 | { | |
98 | my %ipsecsettings = (); | |
99 | &readhash("${General::swroot}/vpn/settings", \%ipsecsettings); | |
100 | if($ipsecsettings{'RW_NET'} ne '') | |
101 | { | |
102 | my ($ip,$sub) = split(/\//,$ipsecsettings{'RW_NET'}); | |
103 | $sub=&General::iporsubtocidr($sub); | |
104 | my @tempipsecsubnet = split("\/", $ipsecsettings{'RW_NET'}); | |
6ee90535 AM |
105 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'ADR'} = $tempipsecsubnet[0]; |
106 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NAME'} = "IPsec RW"; | |
107 | $defaultNetworks->{'IPsec RW (' .$ip."/".$sub.")"}{'NET'} = &getnextip($ip); | |
111c99dd MT |
108 | } |
109 | } | |
111c99dd MT |
110 | } |
111 | sub get_aliases | |
112 | { | |
113 | ||
114 | my $defaultNetworks = shift; | |
115 | open(FILE, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.'; | |
116 | my @current = <FILE>; | |
117 | close(FILE); | |
118 | my $ctr = 0; | |
119 | foreach my $line (@current) | |
120 | { | |
121 | if ($line ne ''){ | |
122 | chomp($line); | |
123 | my @temp = split(/\,/,$line); | |
124 | if ($temp[2] eq '') { | |
125 | $temp[2] = "Alias $ctr : $temp[0]"; | |
126 | } | |
127 | $defaultNetworks->{$temp[2]}{'IPT'} = "$temp[0]"; | |
68f6312a | 128 | $defaultNetworks->{$temp[2]}{'NET'} = "$temp[0]"; |
111c99dd MT |
129 | |
130 | $ctr++; | |
131 | } | |
132 | } | |
133 | } | |
ac1cfefa MT |
134 | |
135 | sub readhash | |
136 | { | |
137 | my $filename = $_[0]; | |
138 | my $hash = $_[1]; | |
139 | my ($var, $val); | |
140 | ||
141 | ||
142 | # Some ipcop code expects that readhash 'complete' the hash if new entries | |
143 | # are presents. Not clear it !!! | |
144 | #%$hash = (); | |
145 | ||
146 | open(FILE, $filename) or die "Unable to read file $filename"; | |
147 | ||
148 | while (<FILE>) | |
149 | { | |
150 | chop; | |
151 | ($var, $val) = split /=/, $_, 2; | |
152 | if ($var) | |
153 | { | |
154 | $val =~ s/^\'//g; | |
155 | $val =~ s/\'$//g; | |
156 | ||
157 | # Untaint variables read from hash | |
77007ce5 MT |
158 | # trim space from begin and end |
159 | $var =~ s/^\s+//; | |
160 | $var =~ s/\s+$//; | |
161 | $var =~ /([A-Za-z0-9_-]*)/; | |
162 | $var = $1; | |
163 | $val =~ /([\w\W]*)/; | |
164 | $val = $1; | |
ac1cfefa MT |
165 | $hash->{$var} = $val; |
166 | } | |
167 | } | |
168 | close FILE; | |
169 | } | |
170 | ||
171 | ||
172 | sub writehash | |
173 | { | |
174 | my $filename = $_[0]; | |
175 | my $hash = $_[1]; | |
176 | my ($var, $val); | |
177 | ||
178 | # write cgi vars to the file. | |
179 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
180 | flock FILE, 2; | |
181 | foreach $var (keys %$hash) | |
182 | { | |
ad60e3ea | 183 | if ( $var eq "__CGI__"){next;} |
ac1cfefa MT |
184 | $val = $hash->{$var}; |
185 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
186 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
187 | # some serious grief! This skips the variable.x and variable.y | |
188 | if (!($var =~ /(.x|.y)$/)) { | |
189 | if ($val =~ / /) { | |
190 | $val = "\'$val\'"; } | |
191 | if (!($var =~ /^ACTION/)) { | |
192 | print FILE "${var}=${val}\n"; } | |
193 | } | |
194 | } | |
195 | close FILE; | |
196 | } | |
197 | ||
90c2e164 CS |
198 | sub writehashpart |
199 | { | |
200 | # This function replaces the given hash in the original hash by keeping the old | |
201 | # content and just replacing the new content | |
202 | ||
203 | my $filename = $_[0]; | |
204 | my $newhash = $_[1]; | |
205 | my %oldhash; | |
206 | my ($var, $val); | |
207 | ||
208 | readhash("${filename}", \%oldhash); | |
209 | ||
210 | foreach $var (keys %$newhash){ | |
211 | $oldhash{$var}=$newhash->{$var}; | |
212 | } | |
213 | ||
214 | # write cgi vars to the file. | |
215 | open(FILE, ">${filename}") or die "Unable to write file $filename"; | |
216 | flock FILE, 2; | |
217 | foreach $var (keys %oldhash) | |
218 | { | |
219 | if ( $var eq "__CGI__"){next;} | |
220 | $val = $oldhash{$var}; | |
221 | # Darren Critchley Jan 17, 2003 added the following because when submitting with a graphic, the x and y | |
222 | # location of the mouse are submitted as well, this was being written to the settings file causing | |
223 | # some serious grief! This skips the variable.x and variable.y | |
224 | if (!($var =~ /(.x|.y)$/)) { | |
225 | if ($val =~ / /) { | |
226 | $val = "\'$val\'"; } | |
227 | if (!($var =~ /^ACTION/)) { | |
228 | print FILE "${var}=${val}\n"; } | |
229 | } | |
230 | } | |
231 | close FILE; | |
232 | } | |
ac1cfefa | 233 | |
1dc44471 | 234 | sub age { |
ac1cfefa | 235 | my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, |
1dc44471 MT |
236 | $atime, $mtime, $ctime, $blksize, $blocks) = stat $_[0]; |
237 | my $totalsecs = time() - $mtime; | |
238 | my @s = (); | |
ac1cfefa | 239 | |
ac1cfefa | 240 | my $secs = $totalsecs % 60; |
1dc44471 MT |
241 | $totalsecs /= 60; |
242 | if ($secs > 0) { | |
243 | push(@s, "${secs}s"); | |
3687a2e2 JIW |
244 | } |
245 | ||
1dc44471 MT |
246 | my $min = $totalsecs % 60; |
247 | $totalsecs /= 60; | |
248 | if ($min > 0) { | |
249 | push(@s, "${min}m"); | |
3687a2e2 JIW |
250 | } |
251 | ||
1dc44471 MT |
252 | my $hrs = $totalsecs % 24; |
253 | $totalsecs /= 24; | |
254 | if ($hrs > 0) { | |
255 | push(@s, "${hrs}h"); | |
3687a2e2 JIW |
256 | } |
257 | ||
1dc44471 MT |
258 | my $days = int($totalsecs); |
259 | if ($days > 0) { | |
260 | push(@s, "${days}d"); | |
3687a2e2 | 261 | } |
3687a2e2 | 262 | |
1dc44471 | 263 | return join(" ", reverse(@s)); |
ac1cfefa MT |
264 | } |
265 | ||
266 | sub validip | |
267 | { | |
268 | my $ip = $_[0]; | |
269 | ||
270 | if (!($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)) { | |
271 | return 0; } | |
272 | else | |
273 | { | |
274 | my @octets = ($1, $2, $3, $4); | |
275 | foreach $_ (@octets) | |
276 | { | |
277 | if (/^0./) { | |
278 | return 0; } | |
279 | if ($_ < 0 || $_ > 255) { | |
280 | return 0; } | |
281 | } | |
282 | return 1; | |
283 | } | |
284 | } | |
285 | ||
4e9a2b57 MT |
286 | sub validmask { |
287 | my $mask = shift; | |
ac1cfefa | 288 | |
4e9a2b57 | 289 | return &Network::check_netmask($mask) or &Network::check_prefix($mask); |
ac1cfefa MT |
290 | } |
291 | ||
292 | sub validipormask | |
293 | { | |
294 | my $ipormask = $_[0]; | |
295 | ||
296 | # see if it is a IP only. | |
297 | if (&validip($ipormask)) { | |
298 | return 1; } | |
299 | # split it into number and mask. | |
300 | if (!($ipormask =~ /^(.*?)\/(.*?)$/)) { | |
301 | return 0; } | |
302 | my $ip = $1; | |
303 | my $mask = $2; | |
304 | # first part not a ip? | |
305 | if (!(&validip($ip))) { | |
306 | return 0; } | |
307 | return &validmask($mask); | |
308 | } | |
309 | ||
4e9a2b57 MT |
310 | sub subtocidr { |
311 | return &Network::convert_netmask2prefix(shift); | |
8c877a82 | 312 | } |
ac1cfefa | 313 | |
4e9a2b57 MT |
314 | sub cidrtosub { |
315 | return &Network::convert_prefix2netmask(shift); | |
8c877a82 AM |
316 | } |
317 | ||
318 | sub iporsubtodec | |
319 | { | |
320 | #Gets: Ip address or subnetmask in decimal oder CIDR | |
321 | #Gives: What it gets only in CIDR format | |
322 | my $subnet=$_[0]; | |
323 | my $net; | |
324 | my $mask; | |
325 | my $full=0; | |
326 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
327 | ($net,$mask) = split (/\//,$subnet); | |
328 | $full=1; | |
329 | return "$subnet"; | |
330 | }else{ | |
331 | $mask=$subnet; | |
332 | } | |
333 | #Subnet already in decimal and valid? | |
334 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 335 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
336 | if (&General::cidrtosub($i) eq $mask){ |
337 | if ($full == 0){return $mask;}else{ | |
338 | return $net."/".$mask; | |
339 | } | |
340 | } | |
341 | } | |
342 | } | |
343 | #Subnet in binary format? | |
7490b22e | 344 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
345 | if($full == 0){ return &General::cidrtosub($mask);}else{ |
346 | return $net."/".&General::cidrtosub($mask); | |
347 | } | |
348 | }else{ | |
349 | return 3; | |
350 | } | |
351 | return 3; | |
352 | } | |
353 | ||
354 | ||
355 | sub iporsubtocidr | |
356 | { | |
357 | #gets: Ip Address or subnetmask in decimal oder CIDR | |
358 | #Gives: What it gets only in CIDR format | |
359 | my $subnet=$_[0]; | |
360 | my $net; | |
361 | my $mask; | |
362 | my $full=0; | |
363 | if ($subnet =~ /^(.*?)\/(.*?)$/) { | |
364 | ($net,$mask) = split (/\//,$subnet); | |
365 | $full=1; | |
366 | }else{ | |
367 | $mask=$subnet; | |
368 | } | |
369 | #Subnet in decimal and valid? | |
370 | if ($mask=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 371 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
372 | if (&General::cidrtosub($i) eq $mask){ |
373 | if ($full == 0){return &General::subtocidr($mask);}else{ | |
374 | return $net."/".&General::subtocidr($mask); | |
375 | } | |
376 | } | |
377 | } | |
378 | } | |
379 | #Subnet already in binary format? | |
7490b22e | 380 | if ($mask=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
381 | if($full == 0){ return $mask;}else{ |
382 | return $net."/".$mask; | |
383 | } | |
384 | }else{ | |
385 | return 3; | |
386 | } | |
387 | return 3; | |
388 | } | |
389 | ||
4e9a2b57 | 390 | sub getnetworkip { |
da05e076 | 391 | my $arg = join("/", @_); |
6a2a62cf MT |
392 | |
393 | return &Network::get_netaddress($arg); | |
8c877a82 AM |
394 | } |
395 | ||
396 | sub getccdbc | |
397 | { | |
398 | #Gets: IP in Form ("192.168.0.0/24") | |
399 | #Gives: Broadcastaddress of network | |
400 | my $ccdnet=$_; | |
401 | my ($ccdip,$ccdsubnet) = split "/",$ccdnet; | |
402 | my $ip_address_binary = inet_aton( $ccdip ); | |
403 | my $netmask_binary = ~pack("N", (2**(32-$ccdsubnet))-1); | |
404 | my $broadcast_address = inet_ntoa( $ip_address_binary | ~$netmask_binary ); | |
405 | return $broadcast_address; | |
406 | } | |
e81be1e1 | 407 | |
4e9a2b57 MT |
408 | sub ip2dec { |
409 | return &Network::ip2bin(shift); | |
8c877a82 | 410 | } |
e81be1e1 | 411 | |
4e9a2b57 MT |
412 | sub dec2ip { |
413 | return &Network::bin2ip(shift); | |
414 | } | |
415 | ||
416 | sub getnextip { | |
417 | return &Network::find_next_ip_address(shift, 4); | |
418 | } | |
419 | ||
420 | sub getlastip { | |
421 | return &Network::find_next_ip_address(shift, -1); | |
8c877a82 AM |
422 | } |
423 | ||
424 | sub validipandmask | |
425 | { | |
426 | #Gets: Ip address in 192.168.0.0/24 or 192.168.0.0/255.255.255.0 and checks if subnet valid | |
427 | #Gives: True bzw 0 if success or false | |
428 | my $ccdnet=$_[0]; | |
429 | my $subcidr; | |
430 | ||
431 | if (!($ccdnet =~ /^(.*?)\/(.*?)$/)) { | |
432 | return 0; | |
433 | } | |
434 | my ($ccdip,$ccdsubnet)=split (/\//, $ccdnet); | |
435 | #IP valid? | |
436 | if ($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 && $4<=255 ))) { | |
437 | #Subnet in decimal and valid? | |
438 | if ($ccdsubnet=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255 && $2<=$1 && $3<=$2 && $4<=$3 ))) { | |
7490b22e | 439 | for (my $i=0;$i<=32;$i++){ |
8c877a82 AM |
440 | if (&General::cidrtosub($i) eq $ccdsubnet){ |
441 | return 1; | |
442 | } | |
7490b22e | 443 | } |
8c877a82 | 444 | #Subnet already in binary format? |
7490b22e | 445 | }elsif ($ccdsubnet=~/^(\d{1,2})$/ && (($1<=32 && $1>=0))){ |
8c877a82 AM |
446 | return 1; |
447 | }else{ | |
448 | return 0; | |
449 | } | |
450 | ||
451 | } | |
452 | return 0; | |
ac1cfefa MT |
453 | } |
454 | ||
e2429e8d AM |
455 | sub checksubnets |
456 | { | |
4d81e0f3 AM |
457 | my %ccdconfhash=(); |
458 | my %ovpnconfhash=(); | |
459 | my %vpnconf=(); | |
460 | my %ipsecconf=(); | |
461 | my %ownnet=(); | |
462 | my %ovpnconf=(); | |
463 | my @ccdconf=(); | |
464 | my $ccdname=$_[0]; | |
465 | my $ccdnet=$_[1]; | |
466 | my $ownnet=$_[2]; | |
e2429e8d AM |
467 | my $errormessage; |
468 | my ($ip,$cidr)=split(/\//,$ccdnet); | |
469 | $cidr=&iporsubtocidr($cidr); | |
4d81e0f3 | 470 | |
e2429e8d | 471 | #get OVPN-Subnet (dynamic range) |
e2429e8d AM |
472 | &readhash("${General::swroot}/ovpn/settings", \%ovpnconf); |
473 | my ($ovpnip,$ovpncidr)= split (/\//,$ovpnconf{'DOVPN_SUBNET'}); | |
474 | $ovpncidr=&iporsubtocidr($ovpncidr); | |
4d81e0f3 | 475 | |
e2429e8d AM |
476 | #check if we try to use same network as ovpn server |
477 | if ("$ip/$cidr" eq "$ovpnip/$ovpncidr") { | |
478 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnnet'}."<br>"; | |
479 | return $errormessage; | |
480 | } | |
4d81e0f3 AM |
481 | |
482 | #check if we try to use same network as another ovpn N2N | |
483 | if($ownnet ne 'ovpn'){ | |
484 | &readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ovpnconfhash); | |
485 | foreach my $key (keys %ovpnconfhash) { | |
486 | if ($ovpnconfhash{$key}[3] eq 'net'){ | |
487 | my @ovpnnet=split (/\//,$ovpnconfhash{$key}[11]); | |
488 | if (&IpInSubnet($ip,$ovpnnet[0],&iporsubtodec($ovpnnet[1]))){ | |
489 | $errormessage=$errormessage.$Lang::tr{'ccd err isovpnn2n'}." $ovpnconfhash{$key}[1] <br>"; | |
490 | return $errormessage; | |
491 | } | |
492 | } | |
493 | } | |
494 | } | |
495 | ||
496 | #check if we use a network-name/subnet (static-ovpn) that already exists | |
e2429e8d AM |
497 | &readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash); |
498 | foreach my $key (keys %ccdconfhash) { | |
499 | @ccdconf=split(/\//,$ccdconfhash{$key}[1]); | |
500 | if ($ccdname eq $ccdconfhash{$key}[0]) | |
501 | { | |
502 | $errormessage=$errormessage.$Lang::tr{'ccd err nameexist'}."<br>"; | |
503 | return $errormessage; | |
504 | } | |
505 | my ($newip,$newsub) = split(/\//,$ccdnet); | |
506 | if (&IpInSubnet($newip,$ccdconf[0],&iporsubtodec($ccdconf[1]))) | |
507 | { | |
4d81e0f3 | 508 | $errormessage=$errormessage.$Lang::tr{'ccd err issubnet'}." $ccdconfhash{$key}[0]<br>"; |
e2429e8d AM |
509 | return $errormessage; |
510 | } | |
e2429e8d | 511 | } |
4d81e0f3 | 512 | |
e2429e8d | 513 | #check if we use a ipsec right network which is already defined |
4d81e0f3 AM |
514 | if($ownnet ne 'ipsec'){ |
515 | &General::readhasharray("${General::swroot}/vpn/config", \%ipsecconf); | |
516 | foreach my $key (keys %ipsecconf){ | |
517 | if ($ipsecconf{$key}[11] ne ''){ | |
518 | my ($ipsecip,$ipsecsub) = split (/\//, $ipsecconf{$key}[11]); | |
519 | $ipsecsub=&iporsubtodec($ipsecsub); | |
520 | if($ipsecconf{$key}[1] ne $ccdname){ | |
521 | if ( &IpInSubnet ($ip,$ipsecip,$ipsecsub) ){ | |
522 | $errormessage=$Lang::tr{'ccd err isipsecnet'}." Name: $ipsecconf{$key}[1]"; | |
523 | return $errormessage; | |
524 | } | |
f7e3d208 | 525 | } |
e2429e8d AM |
526 | } |
527 | } | |
528 | } | |
4d81e0f3 AM |
529 | |
530 | #check if we use the ipsec RW Network (if defined) | |
531 | &readhash("${General::swroot}/vpn/settings", \%vpnconf); | |
532 | if ($vpnconf{'RW_NET'} ne ''){ | |
533 | my ($ipsecrwnet,$ipsecrwsub)=split (/\//, $vpnconf{'RW_NET'}); | |
534 | if (&IpInSubnet($ip,$ipsecrwnet,&iporsubtodec($ipsecrwsub))) | |
535 | { | |
536 | $errormessage=$errormessage.$Lang::tr{'ccd err isipsecrw'}."<br>"; | |
537 | return $errormessage; | |
538 | } | |
539 | } | |
540 | ||
e2429e8d | 541 | #check if we use one of ipfire's networks (green,orange,blue) |
e2429e8d | 542 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); |
4d81e0f3 AM |
543 | 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 $errormessage;} |
544 | if (($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 $errormessage;} | |
545 | if (($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 $errormessage;} | |
546 | if (($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;} | |
e2429e8d AM |
547 | } |
548 | ||
29f238b2 AM |
549 | sub check_net_internal{ |
550 | my $network=shift; | |
551 | my ($ip,$cidr)=split(/\//,$network); | |
552 | my %ownnet=(); | |
553 | my $errormessage; | |
554 | $cidr=&iporsubtocidr($cidr); | |
555 | #check if we use one of ipfire's networks (green,orange,blue) | |
556 | &readhash("${General::swroot}/ethernet/settings", \%ownnet); | |
557 | if (($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 $errormessage;} | |
558 | if (($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 $errormessage;} | |
559 | if (($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 $errormessage;} | |
560 | if (($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;} | |
561 | } | |
e2429e8d | 562 | |
ac1cfefa MT |
563 | sub validport |
564 | { | |
565 | $_ = $_[0]; | |
566 | ||
567 | if (!/^\d+$/) { | |
568 | return 0; } | |
569 | if (/^0./) { | |
570 | return 0; } | |
571 | if ($_ >= 1 && $_ <= 65535) { | |
572 | return 1; } | |
573 | return 0; | |
574 | } | |
575 | ||
d30ea451 CS |
576 | sub validproxyport |
577 | { | |
578 | $_ = $_[0]; | |
579 | ||
580 | if (!/^\d+$/) { | |
581 | return 0; } | |
582 | if (/^0./) { | |
583 | return 0; } | |
584 | if ($_ == 53 || $_ == 222 || $_ == 444 || $_ == 81 ) { | |
585 | return 0; } | |
586 | elsif ($_ >= 1 && $_ <= 65535) { | |
587 | return 1; } | |
588 | return 0; | |
589 | } | |
590 | ||
ac1cfefa MT |
591 | sub validmac |
592 | { | |
593 | my $checkmac = $_[0]; | |
594 | my $ot = '[0-9a-f]{2}'; # 2 Hex digits (one octet) | |
595 | if ($checkmac !~ /^$ot:$ot:$ot:$ot:$ot:$ot$/i) | |
596 | { | |
597 | return 0; | |
598 | } | |
599 | return 1; | |
600 | } | |
601 | ||
602 | sub validhostname | |
603 | { | |
604 | # Checks a hostname against RFC1035 | |
605 | my $hostname = $_[0]; | |
606 | ||
607 | # Each part should be at least two characters in length | |
608 | # but no more than 63 characters | |
609 | if (length ($hostname) < 1 || length ($hostname) > 63) { | |
610 | return 0;} | |
611 | # Only valid characters are a-z, A-Z, 0-9 and - | |
8c877a82 | 612 | if ($hostname !~ /^[a-zA-Z0-9-\s]*$/) { |
ac1cfefa MT |
613 | return 0;} |
614 | # First character can only be a letter or a digit | |
615 | if (substr ($hostname, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
616 | return 0;} | |
617 | # Last character can only be a letter or a digit | |
618 | if (substr ($hostname, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
619 | return 0;} | |
620 | return 1; | |
621 | } | |
622 | ||
623 | sub validdomainname | |
624 | { | |
625 | my $part; | |
626 | ||
627 | # Checks a domain name against RFC1035 | |
628 | my $domainname = $_[0]; | |
629 | my @parts = split (/\./, $domainname); # Split hostname at the '.' | |
630 | ||
631 | foreach $part (@parts) { | |
8ed77b03 AG |
632 | # Each part should be no more than 63 characters in length |
633 | if (length ($part) < 1 || length ($part) > 63) { | |
ac1cfefa MT |
634 | return 0;} |
635 | # Only valid characters are a-z, A-Z, 0-9 and - | |
636 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
637 | return 0;} | |
638 | # First character can only be a letter or a digit | |
639 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
640 | return 0;} | |
641 | # Last character can only be a letter or a digit | |
642 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
643 | return 0;} | |
644 | } | |
645 | return 1; | |
646 | } | |
647 | ||
648 | sub validfqdn | |
649 | { | |
650 | my $part; | |
651 | ||
652 | # Checks a fully qualified domain name against RFC1035 | |
653 | my $fqdn = $_[0]; | |
654 | my @parts = split (/\./, $fqdn); # Split hostname at the '.' | |
655 | if (scalar(@parts) < 2) { # At least two parts should | |
656 | return 0;} # exist in a FQDN | |
657 | # (i.e. hostname.domain) | |
658 | foreach $part (@parts) { | |
659 | # Each part should be at least one character in length | |
660 | # but no more than 63 characters | |
661 | if (length ($part) < 1 || length ($part) > 63) { | |
662 | return 0;} | |
663 | # Only valid characters are a-z, A-Z, 0-9 and - | |
664 | if ($part !~ /^[a-zA-Z0-9-]*$/) { | |
665 | return 0;} | |
666 | # First character can only be a letter or a digit | |
667 | if (substr ($part, 0, 1) !~ /^[a-zA-Z0-9]*$/) { | |
668 | return 0;} | |
669 | # Last character can only be a letter or a digit | |
670 | if (substr ($part, -1, 1) !~ /^[a-zA-Z0-9]*$/) { | |
671 | return 0;} | |
672 | } | |
673 | return 1; | |
674 | } | |
675 | ||
676 | sub validportrange # used to check a port range | |
677 | { | |
678 | my $port = $_[0]; # port values | |
679 | $port =~ tr/-/:/; # replace all - with colons just in case someone used - | |
680 | my $srcdst = $_[1]; # is it a source or destination port | |
681 | ||
682 | if (!($port =~ /^(\d+)\:(\d+)$/)) { | |
683 | ||
684 | if (!(&validport($port))) { | |
685 | if ($srcdst eq 'src'){ | |
686 | return $Lang::tr{'source port numbers'}; | |
687 | } else { | |
688 | return $Lang::tr{'destination port numbers'}; | |
689 | } | |
690 | } | |
691 | } | |
692 | else | |
693 | { | |
694 | my @ports = ($1, $2); | |
695 | if ($1 >= $2){ | |
696 | if ($srcdst eq 'src'){ | |
697 | return $Lang::tr{'bad source range'}; | |
698 | } else { | |
699 | return $Lang::tr{'bad destination range'}; | |
700 | } | |
701 | } | |
702 | foreach $_ (@ports) | |
703 | { | |
704 | if (!(&validport($_))) { | |
705 | if ($srcdst eq 'src'){ | |
706 | return $Lang::tr{'source port numbers'}; | |
707 | } else { | |
708 | return $Lang::tr{'destination port numbers'}; | |
709 | } | |
710 | } | |
711 | } | |
712 | return; | |
713 | } | |
714 | } | |
715 | ||
4e9a2b57 | 716 | sub IpInSubnet { |
ab92dc0c AM |
717 | my $addr = shift; |
718 | my $network = shift; | |
719 | my $netmask = shift; | |
720 | ||
4e9a2b57 | 721 | return &Network::ip_address_in_network($addr, "$network/$netmask"); |
ac1cfefa MT |
722 | } |
723 | ||
c545beb1 MT |
724 | # |
725 | # Return the following IP (IP+1) in dotted notation. | |
726 | # Call: NextIP ('1.1.1.1'); | |
727 | # Return: '1.1.1.2' | |
728 | # | |
4e9a2b57 MT |
729 | sub NextIP { |
730 | return &Network::find_next_ip_address(shift, 1); | |
c545beb1 | 731 | } |
4e9a2b57 MT |
732 | |
733 | sub NextIP2 { | |
734 | return &Network::find_next_ip_address(shift, 4); | |
8c877a82 | 735 | } |
4e9a2b57 MT |
736 | |
737 | sub ipcidr { | |
45762fc6 AF |
738 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); |
739 | return "$ip\/$cidr"; | |
740 | } | |
741 | ||
4e9a2b57 | 742 | sub ipcidr2msk { |
54fd0535 MT |
743 | my ($ip,$cidr) = &Net::IPv4Addr::ipv4_parse(shift); |
744 | my $netmask = &Net::IPv4Addr::ipv4_cidr2msk($cidr); | |
745 | return "$ip\/$netmask"; | |
746 | } | |
747 | ||
ac1cfefa MT |
748 | sub validemail { |
749 | my $mail = shift; | |
750 | return 0 if ( $mail !~ /^[0-9a-zA-Z\.\-\_]+\@[0-9a-zA-Z\.\-]+$/ ); | |
751 | return 0 if ( $mail =~ /^[^0-9a-zA-Z]|[^0-9a-zA-Z]$/); | |
752 | return 0 if ( $mail !~ /([0-9a-zA-Z]{1})\@./ ); | |
753 | return 0 if ( $mail !~ /.\@([0-9a-zA-Z]{1})/ ); | |
754 | return 0 if ( $mail =~ /.\.\-.|.\-\..|.\.\..|.\-\-./g ); | |
755 | return 0 if ( $mail =~ /.\.\_.|.\-\_.|.\_\..|.\_\-.|.\_\_./g ); | |
756 | return 0 if ( $mail !~ /\.([a-zA-Z]{2,4})$/ ); | |
757 | return 1; | |
758 | } | |
759 | ||
c545beb1 MT |
760 | # |
761 | # Currently only vpnmain use this three procs (readhasharray, writehasharray, findhasharray) | |
762 | # The 'key' used is numeric but is perfectly unneeded! This will to be removed so don't use | |
763 | # this code. Vpnmain will be splitted in parts: x509/pki, connection ipsec, connection other,... . | |
764 | # | |
ac1cfefa MT |
765 | sub readhasharray { |
766 | my ($filename, $hash) = @_; | |
767 | %$hash = (); | |
768 | ||
769 | open(FILE, $filename) or die "Unable to read file $filename"; | |
770 | ||
771 | while (<FILE>) { | |
772 | my ($key, $rest, @temp); | |
773 | chomp; | |
774 | ($key, $rest) = split (/,/, $_, 2); | |
c545beb1 | 775 | if ($key =~ /^[0-9]+$/) { |
ac1cfefa MT |
776 | @temp = split (/,/, $rest); |
777 | $hash->{$key} = \@temp; | |
778 | } | |
779 | } | |
780 | close FILE; | |
781 | return; | |
782 | } | |
783 | ||
784 | sub writehasharray { | |
785 | my ($filename, $hash) = @_; | |
786 | my ($key, @temp, $i); | |
787 | ||
788 | open(FILE, ">$filename") or die "Unable to write to file $filename"; | |
789 | ||
790 | foreach $key (keys %$hash) { | |
8c877a82 AM |
791 | if ($key =~ /^[0-9]+$/) { |
792 | print FILE "$key"; | |
793 | foreach $i (0 .. $#{$hash->{$key}}) { | |
794 | print FILE ",$hash->{$key}[$i]"; | |
795 | } | |
796 | print FILE "\n"; | |
797 | } | |
ac1cfefa MT |
798 | } |
799 | close FILE; | |
800 | return; | |
801 | } | |
802 | ||
803 | sub findhasharraykey { | |
804 | foreach my $i (1 .. 1000000) { | |
805 | if ( ! exists $_[0]{$i}) { | |
806 | return $i; | |
807 | } | |
808 | } | |
809 | } | |
810 | ||
811 | sub srtarray | |
812 | # Darren Critchley - darrenc@telus.net - (c) 2003 | |
813 | # &srtarray(SortOrder, AlphaNumeric, SortDirection, ArrayToBeSorted) | |
814 | # This subroutine will take the following parameters: | |
815 | # ColumnNumber = the column which you want to sort on, starts at 1 | |
816 | # AlphaNumberic = a or n (lowercase) defines whether the sort should be alpha or numberic | |
817 | # SortDirection = asc or dsc (lowercase) Ascending or Descending sort | |
818 | # ArrayToBeSorted = the array that wants sorting | |
819 | # | |
820 | # Returns an array that is sorted to your specs | |
821 | # | |
822 | # If SortOrder is greater than the elements in array, then it defaults to the first element | |
823 | # | |
824 | { | |
825 | my ($colno, $alpnum, $srtdir, @tobesorted) = @_; | |
826 | my @tmparray; | |
827 | my @srtedarray; | |
828 | my $line; | |
829 | my $newline; | |
830 | my $ctr; | |
831 | my $ttlitems = scalar @tobesorted; # want to know the number of rows in the passed array | |
832 | if ($ttlitems < 1){ # if no items, don't waste our time lets leave | |
833 | return (@tobesorted); | |
834 | } | |
835 | my @tmp = split(/\,/,$tobesorted[0]); | |
836 | $ttlitems = scalar @tmp; # this should be the number of elements in each row of the passed in array | |
837 | ||
838 | # Darren Critchley - validate parameters | |
839 | if ($colno > $ttlitems){$colno = '1';} | |
840 | $colno--; # remove one from colno to deal with arrays starting at 0 | |
841 | if($colno < 0){$colno = '0';} | |
842 | if ($alpnum ne '') { $alpnum = lc($alpnum); } else { $alpnum = 'a'; } | |
843 | if ($srtdir ne '') { $srtdir = lc($srtdir); } else { $srtdir = 'src'; } | |
844 | ||
845 | foreach $line (@tobesorted) | |
846 | { | |
847 | chomp($line); | |
848 | if ($line ne '') { | |
849 | my @temp = split(/\,/,$line); | |
850 | # Darren Critchley - juggle the fields so that the one we want to sort on is first | |
851 | my $tmpholder = $temp[0]; | |
852 | $temp[0] = $temp[$colno]; | |
853 | $temp[$colno] = $tmpholder; | |
854 | $newline = ""; | |
855 | for ($ctr=0; $ctr < $ttlitems ; $ctr++) { | |
856 | $newline=$newline . $temp[$ctr] . ","; | |
857 | } | |
858 | chop($newline); | |
859 | push(@tmparray,$newline); | |
860 | } | |
861 | } | |
862 | if ($alpnum eq 'n') { | |
863 | @tmparray = sort {$a <=> $b} @tmparray; | |
864 | } else { | |
865 | @tmparray = (sort @tmparray); | |
866 | } | |
867 | foreach $line (@tmparray) | |
868 | { | |
869 | chomp($line); | |
870 | if ($line ne '') { | |
871 | my @temp = split(/\,/,$line); | |
872 | my $tmpholder = $temp[0]; | |
873 | $temp[0] = $temp[$colno]; | |
874 | $temp[$colno] = $tmpholder; | |
875 | $newline = ""; | |
876 | for ($ctr=0; $ctr < $ttlitems ; $ctr++){ | |
877 | $newline=$newline . $temp[$ctr] . ","; | |
878 | } | |
879 | chop($newline); | |
880 | push(@srtedarray,$newline); | |
881 | } | |
882 | } | |
883 | ||
884 | if ($srtdir eq 'dsc') { | |
885 | @tmparray = reverse(@srtedarray); | |
886 | return (@tmparray); | |
887 | } else { | |
888 | return (@srtedarray); | |
889 | } | |
890 | } | |
891 | ||
892 | sub FetchPublicIp { | |
893 | my %proxysettings; | |
894 | &General::readhash("${General::swroot}/proxy/settings", \%proxysettings); | |
895 | if ($_=$proxysettings{'UPSTREAM_PROXY'}) { | |
896 | my ($peer, $peerport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/); | |
897 | Net::SSLeay::set_proxy($peer,$peerport,$proxysettings{'UPSTREAM_USER'},$proxysettings{'UPSTREAM_PASSWORD'} ); | |
898 | } | |
b2f8244a | 899 | my $user_agent = &MakeUserAgent(); |
0aa0cdcd | 900 | my ($out, $response) = Net::SSLeay::get_http( 'checkip4.dns.lightningwirelabs.com', |
ac1cfefa MT |
901 | 80, |
902 | "/", | |
b2f8244a | 903 | Net::SSLeay::make_headers('User-Agent' => $user_agent ) |
ac1cfefa MT |
904 | ); |
905 | if ($response =~ m%HTTP/1\.. 200 OK%) { | |
5a2935b1 | 906 | $out =~ /Your IP address is: (\d+.\d+.\d+.\d+)/; |
ac1cfefa MT |
907 | return $1; |
908 | } | |
909 | return ''; | |
910 | } | |
911 | ||
912 | # | |
913 | # Check if hostname.domain provided have IP provided | |
914 | # use gethostbyname to verify that | |
915 | # Params: | |
916 | # IP | |
917 | # hostname | |
918 | # domain | |
919 | # Output | |
920 | # 1 IP matches host.domain | |
921 | # 0 not in sync | |
922 | # | |
923 | sub DyndnsServiceSync ($;$;$) { | |
924 | ||
925 | my ($ip,$hostName,$domain) = @_; | |
926 | my @addresses; | |
927 | ||
928 | #fix me no ip GROUP, what is the name ? | |
929 | $hostName =~ s/$General::noipprefix//; | |
930 | if ($hostName) { #may be empty | |
931 | $hostName = "$hostName.$domain"; | |
932 | @addresses = gethostbyname($hostName); | |
933 | } | |
934 | ||
935 | if ($addresses[0] eq '') { # nothing returned ? | |
936 | $hostName = $domain; # try resolving with domain only | |
937 | @addresses = gethostbyname($hostName); | |
938 | } | |
939 | ||
940 | if ($addresses[0] ne '') { # got something ? | |
941 | #&General::log("name:$addresses[0], alias:$addresses[1]"); | |
942 | # Build clear text list of IP | |
943 | @addresses = map ( &Socket::inet_ntoa($_), @addresses[4..$#addresses]); | |
944 | if (grep (/$ip/, @addresses)) { | |
945 | return 1; | |
946 | } | |
947 | } | |
948 | return 0; | |
949 | } | |
950 | # | |
951 | # This sub returns the red IP used to compare in DyndnsServiceSync | |
952 | # | |
953 | sub GetDyndnsRedIP { | |
954 | my %settings; | |
955 | &General::readhash("${General::swroot}/ddns/settings", \%settings); | |
956 | ||
957 | open(IP, "${General::swroot}/red/local-ipaddress") or return 'unavailable'; | |
958 | my $ip = <IP>; | |
959 | close(IP); | |
960 | chomp $ip; | |
961 | ||
057dbeeb | 962 | # 100.64.0.0/10 is reserved for dual-stack lite (http://tools.ietf.org/html/rfc6598). |
ac1cfefa MT |
963 | if (&General::IpInSubnet ($ip,'10.0.0.0','255.0.0.0') || |
964 | &General::IpInSubnet ($ip,'172.16.0.0.','255.240.0.0') || | |
057dbeeb MT |
965 | &General::IpInSubnet ($ip,'192.168.0.0','255.255.0.0') || |
966 | &General::IpInSubnet ($ip,'100.64.0.0', '255.192.0.0')) | |
ac1cfefa MT |
967 | { |
968 | if ($settings{'BEHINDROUTER'} eq 'FETCH_IP') { | |
969 | my $RealIP = &General::FetchPublicIp; | |
970 | $ip = (&General::validip ($RealIP) ? $RealIP : 'unavailable'); | |
971 | } | |
972 | } | |
973 | return $ip; | |
974 | } | |
c545beb1 MT |
975 | |
976 | # Translate ICMP code to text | |
977 | # ref: http://www.iana.org/assignments/icmp-parameters | |
978 | sub GetIcmpDescription ($) { | |
979 | my $index = shift; | |
980 | my @icmp_description = ( | |
981 | 'Echo Reply', #0 | |
982 | 'Unassigned', | |
983 | 'Unassigned', | |
984 | 'Destination Unreachable', | |
985 | 'Source Quench', | |
986 | 'Redirect', | |
987 | 'Alternate Host Address', | |
988 | 'Unassigned', | |
989 | 'Echo', | |
990 | 'Router Advertisement', | |
991 | 'Router Solicitation', #10 | |
992 | 'Time Exceeded', | |
993 | 'Parameter Problem', | |
994 | 'Timestamp', | |
995 | 'Timestamp Reply', | |
996 | 'Information Request', | |
997 | 'Information Reply', | |
998 | 'Address Mask Request', | |
999 | 'Address Mask Reply', | |
1000 | 'Reserved (for Security)', | |
1001 | 'Reserved (for Robustness Experiment)', #20 | |
1002 | 'Reserved', | |
1003 | 'Reserved', | |
1004 | 'Reserved', | |
1005 | 'Reserved', | |
1006 | 'Reserved', | |
1007 | 'Reserved', | |
1008 | 'Reserved', | |
1009 | 'Reserved', | |
1010 | 'Reserved', | |
1011 | 'Traceroute', #30 | |
1012 | 'Datagram Conversion Error', | |
1013 | 'Mobile Host Redirect', | |
1014 | 'IPv6 Where-Are-You', | |
1015 | 'IPv6 I-Am-Here', | |
1016 | 'Mobile Registration Request', | |
1017 | 'Mobile Registration Reply', | |
1018 | 'Domain Name Request', | |
1019 | 'Domain Name Reply', | |
1020 | 'SKIP', | |
1021 | 'Photur', #40 | |
1022 | 'Experimental'); | |
a2b3eba9 | 1023 | if ($index>41) {return 'unknown'} else {return $icmp_description[$index]}; |
c545beb1 | 1024 | } |
b2f8244a MT |
1025 | |
1026 | sub GetCoreUpdateVersion() { | |
1027 | my $core_update; | |
1028 | ||
1029 | open(FILE, "/opt/pakfire/db/core/mine"); | |
1030 | while (<FILE>) { | |
1031 | $core_update = $_; | |
1032 | last; | |
1033 | } | |
1034 | close(FILE); | |
1035 | ||
1036 | return $core_update; | |
1037 | } | |
1038 | ||
1039 | sub MakeUserAgent() { | |
1040 | my $user_agent = "IPFire/$General::version"; | |
1041 | ||
1042 | my $core_update = &GetCoreUpdateVersion(); | |
1043 | if ($core_update ne "") { | |
1044 | $user_agent .= "/$core_update"; | |
1045 | } | |
1046 | ||
1047 | return $user_agent; | |
1048 | } | |
1049 | ||
61027579 MT |
1050 | sub RedIsWireless() { |
1051 | # This function checks if a network device is a wireless device. | |
1052 | ||
1053 | my %settings = (); | |
1054 | &readhash("${General::swroot}/ethernet/settings", \%settings); | |
1055 | ||
1056 | # Find the name of the network device. | |
1057 | my $device = $settings{'RED_DEV'}; | |
1058 | ||
1059 | # Exit, if no device is configured. | |
1060 | return 0 if ($device eq ""); | |
1061 | ||
1062 | # Return 1 if the device is a wireless one. | |
1063 | my $path = "/sys/class/net/$device/wireless"; | |
1064 | if (-d $path) { | |
1065 | return 1; | |
1066 | } | |
1067 | ||
1068 | # Otherwise return zero. | |
1069 | return 0; | |
1070 | } | |
1071 | ||
dfee7582 SS |
1072 | # Function to read a file with UTF-8 charset. |
1073 | sub read_file_utf8 ($) { | |
1074 | my ($file) = @_; | |
1075 | ||
1076 | open my $in, '<:encoding(UTF-8)', $file or die "Could not open '$file' for reading $!"; | |
1077 | local $/ = undef; | |
1078 | my $all = <$in>; | |
1079 | close $in; | |
1080 | ||
3e862ce4 | 1081 | return $all; |
dfee7582 SS |
1082 | } |
1083 | ||
1084 | # Function to write a file with UTF-8 charset. | |
1085 | sub write_file_utf8 ($) { | |
1086 | my ($file, $content) = @_; | |
1087 | ||
1088 | open my $out, '>:encoding(UTF-8)', $file or die "Could not open '$file' for writing $!";; | |
1089 | print $out $content; | |
1090 | close $out; | |
1091 | ||
1092 | return; | |
1093 | } | |
1094 | ||
6d8eb5de | 1095 | my $FIREWALL_RELOAD_INDICATOR = "${General::swroot}/firewall/reread"; |
0e430797 MT |
1096 | |
1097 | sub firewall_config_changed() { | |
1098 | open FILE, ">$FIREWALL_RELOAD_INDICATOR" or die "Could not open $FIREWALL_RELOAD_INDICATOR"; | |
1099 | close FILE; | |
1100 | } | |
1101 | ||
1102 | sub firewall_needs_reload() { | |
1103 | if (-e "$FIREWALL_RELOAD_INDICATOR") { | |
1104 | return 1; | |
1105 | } | |
1106 | ||
1107 | return 0; | |
1108 | } | |
1109 | ||
1110 | sub firewall_reload() { | |
8039a710 | 1111 | system("/usr/local/bin/firewallctrl"); |
0e430797 MT |
1112 | } |
1113 | ||
4cb523d4 SS |
1114 | # Function which will return the used interface for the red network zone (red0, ppp0, etc). |
1115 | sub get_red_interface() { | |
1116 | ||
1117 | open(IFACE, "${General::swroot}/red/iface") or die "Could not open /var/ipfire/red/iface"; | |
1118 | ||
1119 | my $interface = <IFACE>; | |
1120 | close(IFACE); | |
1121 | chomp $interface; | |
1122 | ||
1123 | return $interface; | |
1124 | } | |
1125 | ||
ac1cfefa | 1126 | 1; |