vBulletin Türkçe Destek Platformu

function fetch_ip()
    {
        return $_SERVER['REMOTE_ADDR'];
    }

/*
    Paul M - Try to detect real ip when proxy is in use.
    */
    function fetch_real_ip()
    {
        $real_ip = ''; 
        $ignoreprivate = false;    
        if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) 
        {
            $real_ip = $_SERVER['HTTP_X_FORWARDED_FOR']; 
        }
        else if (isset($_SERVER['HTTP_CLIENT_IP'])) 
        {
            $real_ip = $_SERVER['HTTP_CLIENT_IP']; 
        }
        else if (isset($_SERVER['HTTP_FROM'])) 
        {
            $real_ip = $_SERVER['HTTP_FROM']; 
        }
        if (preg_match("#\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}#", $real_ip, $iplist))
        {
            $real_ip = $iplist[0]; 
            if ($ignoreprivate AND preg_match("#^(127|10|172\.(1[6-9]|2[0-9]|3[0-1])|192\.168|169\.254)\.#", $real_ip))
            { 
                $real_ip = ''; 
            } 
        }
        else  
        {
            $real_ip = ''; 
        }
        return $real_ip;
    }

// fetch client IP address
        $registry->ipaddress = $this->fetch_ip();
        define('IPADDRESS', $registry->ipaddress);

        // attempt to fetch IP address from behind proxies - useful, but don't rely on it...
        $registry->alt_ip = $this->fetch_alt_ip();
        define('ALT_IP', $registry->alt_ip);

// Paul M - Set Real, Alt & Proxy IP addresses
        $registry->ipaddress = $this->fetch_ip();
        $registry->alt_ip = $this->fetch_alt_ip();
        $registry->real_ip = $this->fetch_real_ip();
        define('ALT_IP', $registry->alt_ip);
        if ($registry->real_ip)
        {
            define('PROXYIP', $registry->ipaddress);
            define('IPADDRESS', $registry->real_ip); 
        }
        else
        {
            define('PROXYIP', ''); 
            define('IPADDRESS', $registry->ipaddress);
        }

// define session constants
        define('SESSION_IDHASH', md5($_SERVER['HTTP_USER_AGENT'] . vB_Session::fetch_substr_ip($registry->alt_ip))); // this should *never* change during a session
        define('SESSION_HOST',   substr($registry->ipaddress, 0, 15));

// Paul M - Define session constants
        define('SESSION_HOST',   substr(IPADDRESS, 0, 15));
        define('SESSION_IDHASH', md5($_SERVER['HTTP_USER_AGENT'] . vB_Session::fetch_substr_ip(IPADDRESS)));