<?php

/*
+---------------------------------------------------------------------------+
| OpenX v2.4                                                                |
| ==========                                                                |
|                                                                           |
| Copyright (c) 2003-2008 OpenX Limited                                     |
| For contact details, see: http://www.openx.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 |
+---------------------------------------------------------------------------+
$Id: Ip.delivery.php 21461 2008-06-18 10:39:50Z david.keen@openx.org $
*/

/**
 * @package    MaxPlugin
 * @subpackage DeliveryLimitations
 * @author     Chris Nutting <chris@m3.net>
 * @author     Andrzej Swedrzynski <andrzej.swedrzynski@m3.net>
 */

require_once MAX_PATH . '/lib/max/Delivery/limitations.delivery.php';

/**
 * Check to see if this impression contains the valid IP Address.
 *
 * @param string $limitation The IP address limitation
 * @param string $op The operator (either '==' or '!=')
 * @param array $aParams An array of additional parameters to be checked
 * @return boolean Whether this impression's IP address passes this limitation's test.
 */
function MAX_checkClient_Ip($limitation, $op, $aParams = array())
{
    if ($limitation == '') {
        return true;
    }
    if (empty($aParams)) {
        $aParams = $_SERVER;
    }
    $ip = $aParams['REMOTE_ADDR'];
    
    if (MAX_ipContainsStar($limitation)) {
        $ip = MAX_ipWithLastComponentReplacedByStar($ip);
    }
    
    if ($op == '==') {
        return $limitation == $ip;
    } else {
        return $limitation != $ip;
    }
}
?>
