fenglin/lib/client_addr.inc.php

<?
require_once "common.inc.php";

function Client_Address($addr=null,$x_addr=null)
{
        global $SYS_proxy_ip;

        $proxy_ip = $SYS_proxy_ip;

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

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

        foreach($proxy_ip as $tmp => $ip)
        {
                if (preg_match("/".$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 $tmp => $ip)
                                        {
                                                if (preg_match("/".$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	<?
2	require_once "common.inc.php";
3
4	function Client_Address($addr=null,$x_addr=null)
5	{
6	global $SYS_proxy_ip;
7
8	$proxy_ip = $SYS_proxy_ip;
9
10	if ($addr == null)
11	$addr = $_SERVER["REMOTE_ADDR"];
12
13	if ($x_addr == null && isset($_SERVER["HTTP_X_FORWARDED_FOR"]))
14	$x_addr = $_SERVER["HTTP_X_FORWARDED_FOR"];
15
16	foreach($proxy_ip as $tmp => $ip)
17	{
18	if (preg_match("/".$ip."/",$addr))
19	{
20	if ($x_addr != null)
21	{
22	$client_addr = explode(",",$x_addr);
23	for($i=count($client_addr)-1;$i>=0;$i--)
24	{
25	$proxy = false;
26	foreach($proxy_ip as $tmp => $ip)
27	{
28	if (preg_match("/".$ip."/",$client_addr[$i]))
29	$proxy = true;
30	}
31	if (!$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	}
45
46	?>
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