fenglin/lib/client_addr.inc.php

<?

function Client_Address($addr=null,$x_addr=null)
{
        $proxy_ip = array(
                "^61.129.42.22[01]$",
                "^10.85.31."
        );

        if ($addr == null)
                $addr = $_SERVER["REMOTE_ADDR"];

        if ($x_addr == null && isset($_SERVER["HTTP_X_CLIENT_ADDR"]))
                $x_addr = $_SERVER["HTTP_X_CLIENT_ADDR"];

        foreach($proxy_ip as $ip)
        {
                if (ereg($ip,$addr))
                {
                        if ($x_addr != null)
                        {
                                $client_addr = explode(",",$x_addr);
                                for($i=count($client_addr)-1;$i>=0;$i--)
                                {
                                        $proxy = false;
                                        foreach($proxy_ip as $ip)
                                        {
                                                if (ereg($ip,$client_addr[$i]))
                                                        $proxy = true;
                                        }
                                        if (!$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	sysadm	1.4	function Client_Address($addr=null,$x_addr=null)
4	sysadm	1.1	{
5	sysadm	1.2	$proxy_ip = array(
6			"^61.129.42.22[01]$",
7	sysadm	1.4	"^10.85.31."
8	sysadm	1.2	);
9
10	sysadm	1.4	if ($addr == null)
11			$addr = $_SERVER["REMOTE_ADDR"];
12
13			if ($x_addr == null && isset($_SERVER["HTTP_X_CLIENT_ADDR"]))
14			$x_addr = $_SERVER["HTTP_X_CLIENT_ADDR"];
15
16	sysadm	1.2	foreach($proxy_ip as $ip)
17			{
18	sysadm	1.4	if (ereg($ip,$addr))
19	sysadm	1.2	{
20	sysadm	1.4	if ($x_addr != null)
21	sysadm	1.2	{
22	sysadm	1.4	$client_addr = explode(",",$x_addr);
23			for($i=count($client_addr)-1;$i>=0;$i--)
24	sysadm	1.2	{
25			$proxy = false;
26			foreach($proxy_ip as $ip)
27			{
28	sysadm	1.4	if (ereg($ip,$client_addr[$i]))
29	sysadm	1.2	$proxy = true;
30			}
31			if (!$proxy)
32			return trim($client_addr[$i]);
33			}
34			return trim($client_addr[0]);
35			}
36			else
37			{
38			return $_SERVER["REMOTE_ADDR"];
39			}
40			}
41			}
42
43			return $_SERVER["REMOTE_ADDR"];
44	sysadm	1.1	}
45
46			?>
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