projects / people / teissler / ipfire-2.x.git / blame
| Commit | Line | Data |
|---|---|---|
| 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; |