fenglin/lib/client_addr.inc.php

<?

function Client_Address()
{
        $proxy_ip = array(
                "^61.129.42.22[01]$",
                "^10.85.31.[0-9]{1,3}$",
                "^192.168.176.57$"
        );

        foreach($proxy_ip as $ip)
        {
                if (ereg($ip,$_SERVER["REMOTE_ADDR"]))
                {
                        if (isset($_SERVER["HTTP_X_CLIENT_ADDR"]))
                        {
                                $client_addr = explode(",",$_SERVER["HTTP_X_CLIENT_ADDR"]);
                                for($i=count($_SERVER["HTTP_X_CLIENT_ADDR"])-1;$i>=0;$i--)
                                {
                                        $proxy = false;
                                        foreach($proxy_ip as $ip)
                                        {
                                                if (ereg($ip,$_SERVER["REMOTE_ADDR"]))
                                                        $proxy = true;
                                        }
                                        if (!$proxy)
                                                return trim($client_addr[$i]);
                                }
                                return trim($client_addr[0]);
                        }
                        else
                        {
                                return $_SERVER["REMOTE_ADDR"];
                        }
                }
        }

        return $_SERVER["REMOTE_ADDR"];
}

?>
1	sysadm	1.1	<?
2
3			function Client_Address()
4			{
5	sysadm	1.2	$proxy_ip = array(
6			"^61.129.42.22[01]$",
7			"^10.85.31.[0-9]{1,3}$",
8			"^192.168.176.57$"
9			);
10
11			foreach($proxy_ip as $ip)
12			{
13			if (ereg($ip,$_SERVER["REMOTE_ADDR"]))
14			{
15			if (isset($_SERVER["HTTP_X_CLIENT_ADDR"]))
16			{
17			$client_addr = explode(",",$_SERVER["HTTP_X_CLIENT_ADDR"]);
18			for($i=count($_SERVER["HTTP_X_CLIENT_ADDR"])-1;$i>=0;$i--)
19			{
20			$proxy = false;
21			foreach($proxy_ip as $ip)
22			{
23			if (ereg($ip,$_SERVER["REMOTE_ADDR"]))
24			$proxy = true;
25			}
26			if (!$proxy)
27			return trim($client_addr[$i]);
28			}
29			return trim($client_addr[0]);
30			}
31			else
32			{
33			return $_SERVER["REMOTE_ADDR"];
34			}
35			}
36			}
37
38			return $_SERVER["REMOTE_ADDR"];
39	sysadm	1.1	}
40
41			?>
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