Viewing file:  lib-remotehost.inc.php (2.41 KB) -rwxr-xr-x
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<?php // $Revision: 1.2 $
/************************************************************************/
/* phpAdsNew 2 */
/* =========== */
/* */
/* Copyright (c) 2001 by Niels Leenheer */
/* http://sourceforge.net/projects/phpadsnew */
/* */
/* 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. */
/************************************************************************/
// Check for proxyserver
if ($phpAds_config['proxy_lookup'])
{
$proxy = false;
if (isset ($GLOBALS['HTTP_VIA']) && $GLOBALS['HTTP_VIA'] != '') $proxy = true;
if (isset ($GLOBALS['REMOTE_HOST']))
{
if (is_int (strpos ('proxy', $GLOBALS['REMOTE_HOST']))) $proxy = true;
if (is_int (strpos ('cache', $GLOBALS['REMOTE_HOST']))) $proxy = true;
if (is_int (strpos ('inktomi', $GLOBALS['REMOTE_HOST']))) $proxy = true;
}
if ($proxy)
{
// Overwrite host address if a suitable header is found
if (isset($GLOBALS['HTTP_FORWARDED']) && $GLOBALS['HTTP_FORWARDED'] != '') $IP = $GLOBALS['HTTP_FORWARDED'];
if (isset($GLOBALS['HTTP_FORWARDED_FOR']) && $GLOBALS['HTTP_FORWARDED_FOR'] != '') $IP = $GLOBALS['HTTP_FORWARDED_FOR'];
if (isset($GLOBALS['HTTP_X_FORWARDED']) && $GLOBALS['HTTP_X_FORWARDED'] != '') $IP = $GLOBALS['HTTP_X_FORWARDED'];
if (isset($GLOBALS['HTTP_X_FORWARDED_FOR']) && $GLOBALS['HTTP_X_FORWARDED_FOR'] != '') $IP = $GLOBALS['HTTP_X_FORWARDED_FOR'];
if (isset($GLOBALS['HTTP_CLIENT_IP']) && $GLOBALS['HTTP_CLIENT_IP'] != '') $IP = $GLOBALS['HTTP_CLIENT_IP'];
// Get last item from list
$IP = explode (',', $IP);
$IP = trim($IP[count($IP) - 1]);
if ($IP != 'unknown')
{
$GLOBALS['REMOTE_ADDR'] = $IP;
$GLOBALS['REMOTE_HOST'] = '';
}
}
}
if (!isset($GLOBALS['REMOTE_HOST']) || $GLOBALS['REMOTE_HOST'] == '')
{
if ($phpAds_config['reverse_lookup'])
$GLOBALS['REMOTE_HOST'] = @gethostbyaddr ($GLOBALS['REMOTE_ADDR']);
else
$GLOBALS['REMOTE_HOST'] = $GLOBALS['REMOTE_ADDR'];
}
?>
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