freenetis-github/application/vendors/phpwhois/whois.ip.lib.php @ 8baed187
| 8baed187 | Michal Kliment | <?php
|
|
/*
|
|||
Whois.php PHP classes to conduct whois queries
|
|||
Copyright (C)1999,2005 easyDNS Technologies Inc. & Mark Jeftovic
|
|||
Maintained by David Saez (david@ols.es)
|
|||
For the most recent version of this package visit:
|
|||
http://www.phpwhois.org
|
|||
This program is free software; you can redistribute it and/or
|
|||
modify it under the terms of the GNU General Public License
|
|||
as published by the Free Software Foundation; either version 2
|
|||
of the License, or (at your option) any later version.
|
|||
This program is distributed in the hope that it will be useful,
|
|||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|||
GNU General Public License for more details.
|
|||
You should have received a copy of the GNU General Public License
|
|||
along with this program; if not, write to the Free Software
|
|||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|||
*/
|
|||
//-----------------------------------------------------------------
|
|||
// Check if ip adddress is valid
|
|||
function validip($ip)
|
|||
{
|
|||
if (empty($ip))
|
|||
return false;
|
|||
if ((ip2long($p) == -1) or (ip2long($p) === false))
|
|||
return false;
|
|||
$reserved_ips = array (
|
|||
array('0.0.0.0','2.255.255.255'),
|
|||
array('10.0.0.0','10.255.255.255'),
|
|||
array('127.0.0.0','127.255.255.255'),
|
|||
array('169.254.0.0','169.254.255.255'),
|
|||
array('172.16.0.0','172.31.255.255'),
|
|||
array('192.0.2.0','192.0.2.255'),
|
|||
array('192.168.0.0','192.168.255.255'),
|
|||
array('255.255.255.0','255.255.255.255')
|
|||
);
|
|||
foreach ($reserved_ips as $r) {
|
|||
$min = ip2long($r[0]);
|
|||
$max = ip2long($r[1]);
|
|||
if ((ip2long($ip) >= $min) && (ip2long($ip) <= $max)) return false;
|
|||
}
|
|||
return true;
|
|||
}
|
|||
//-----------------------------------------------------------------
|
|||
// Get real client ip address
|
|||
function getclientip()
|
|||
{
|
|||
if (!empty($_SERVER['HTTP_CLIENT_IP']) && validip($_SERVER['HTTP_CLIENT_IP']))
|
|||
return $_SERVER['HTTP_CLIENT_IP'];
|
|||
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
|
|||
foreach (explode(',',$_SERVER['HTTP_X_FORWARDED_FOR']) as $ip)
|
|||
if (validip(trim($ip)))
|
|||
return $ip;
|
|||
if (!empty($_SERVER['HTTP_X_FORWARDED']) && validip($_SERVER['HTTP_X_FORWARDED']))
|
|||
return $_SERVER['HTTP_X_FORWARDED'];
|
|||
if (!empty($_SERVER['HTTP_FORWARDED_FOR']) && validip($_SERVER['HTTP_FORWARDED_FOR']))
|
|||
return $_SERVER['HTTP_FORWARDED_FOR'];
|
|||
if (!empty($_SERVER['HTTP_FORWARDED']) && validip($_SERVER['HTTP_FORWARDED']))
|
|||
return $_SERVER['HTTP_FORWARDED'];
|
|||
if (!empty($_SERVER['HTTP_X_FORWARDED']) && validip($_SERVER['HTTP_X_FORWARDED']))
|
|||
return $_SERVER['HTTP_X_FORWARDED'];
|
|||
return $_SERVER['REMOTE_ADDR'];
|
|||
}
|
|||
//-----------------------------------------------------------------
|
|||
// Convert from CIDR to net range
|
|||
function cidr_conv($net)
|
|||
{
|
|||
$start = strtok($net, '/');
|
|||
$n = 3-substr_count($net, '.');
|
|||
if ($n > 0)
|
|||
{
|
|||
for ($i = $n; $i > 0; $i--)
|
|||
$start.= '.0';
|
|||
}
|
|||
$bits1 = str_pad(decbin(ip2long($start)), 32, '0', 'STR_PAD_LEFT');
|
|||
$net = pow(2, (32-substr(strstr($net, '/'), 1))) - 1;
|
|||
$bits2 = str_pad(decbin($net), 32, '0', 'STR_PAD_LEFT');
|
|||
$final = '';
|
|||
for ($i = 0; $i < 32; $i++)
|
|||
{
|
|||
if ($bits1[$i] == $bits2[$i])
|
|||
$final.= $bits1[$i];
|
|||
if ($bits1[$i] == 1 and $bits2[$i] == 0)
|
|||
$final.= $bits1[$i];
|
|||
if ($bits1[$i] == 0 and $bits2[$i] == 1)
|
|||
$final.= $bits2[$i];
|
|||
}
|
|||
return $start." - ".long2ip(bindec($final));
|
|||
}
|
|||
?>
|