--- fenglin/lib/client_addr.inc.php	2005/03/23 17:31:14	1.8
+++ fenglin/lib/client_addr.inc.php	2025/04/29 11:55:32	1.13
@@ -1,46 +1,9 @@
-<?
-require_once "common.inc.php";
+<?php
+	require_once "../lib/ip_mask.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)
+	function client_addr(int $mask_level = 0) : string
 	{
-		if (ereg($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 $tmp => $ip)
-					{
-						if (ereg($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"];
-}
+		$ip = (isset($_SERVER["REMOTE_ADDR"]) ? $_SERVER["REMOTE_ADDR"] : "");
 
-?>
+		return ip_mask($ip, $mask_level, "%");
+	}