0,0 → 1,61 |
<?php |
|
/* |
* IP functions |
* Copyright 2015 Daniel Marschall, ViaThinkSoft |
* Version 2015-10-27 |
* |
* Licensed under the Apache License, Version 2.0 (the "License"); |
* you may not use this file except in compliance with the License. |
* You may obtain a copy of the License at |
* |
* http://www.apache.org/licenses/LICENSE-2.0 |
* |
* Unless required by applicable law or agreed to in writing, software |
* distributed under the License is distributed on an "AS IS" BASIS, |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
* See the License for the specific language governing permissions and |
* limitations under the License. |
*/ |
|
function get_real_ip() { |
/* Eindeutige IP Adresse erhalten, auch bei Proxies und (neu:) von SSH connections im CLI modus */ |
// http://lists.phpbar.de/pipermail/php/Week-of-Mon-20040322/007749.html |
// Modificated by VTS |
// Version: 2015-10-27 |
|
// TODO: ipv6 |
|
if (isset($_SERVER['SSH_CLIENT'])) { $ary = explode(' ', $_SERVER['SSH_CLIENT']); return $ary[0]; } |
if (isset($_SERVER['SSH_CONNECTION'])) { $ary = explode(' ', $_SERVER['SSH_CONNECTION']); return $ary[0]; } |
|
$client_ip = (isset($_SERVER['HTTP_CLIENT_IP'])) ? $_SERVER['HTTP_CLIENT_IP'] : ''; |
|
// It is not secure to use these, since they are not validated: http://www.thespanner.co.uk/2007/12/02/faking-the-unexpected/ |
// $x_forwarded_for = (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : ''; |
$x_forwarded_for = ''; |
|
$remote_addr = (isset($_SERVER['REMOTE_ADDR'])) ? $_SERVER['REMOTE_ADDR'] : ''; |
|
if (!empty($client_ip)) { |
$ip_expl = explode('.', $client_ip); |
$referer = explode('.', $remote_addr); |
if ($referer[0] != $ip_expl[0]) { |
$ip = array_reverse($ip_expl); |
$return = implode('.', $ip); |
} else { |
$return = $client_ip; |
} |
} else if (!empty($x_forwarded_for)) { |
if (strstr($x_forwarded_for, ',')) { |
$ip_expl = explode(',', $x_forwarded_for); |
$return = end($ip_expl); |
} else { |
$return = $x_forwarded_for; |
} |
} else { |
$return = $remote_addr; |
} |
unset ($client_ip, $x_forwarded_for, $remote_addr, $ip_expl); |
return $return; |
} |