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get_real_client_ip 함수에 필터링 코드 추가

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This commit is contained in:
thisgun
2018-10-26 11:54:53 +09:00
parent 798951f4c6
commit c82c937fbb
1 changed files with 6 additions and 3 deletions
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9
lib/common.lib.php
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@ -3423,10 +3423,13 @@ function is_use_email_certify(){
function get_real_client_ip(){
if(isset($_SERVER['HTTP_X_FORWARDED_FOR']))
return $_SERVER['HTTP_X_FORWARDED_FOR'];
$real_ip = $_SERVER['REMOTE_ADDR'];
return $_SERVER['REMOTE_ADDR'];
if(isset($_SERVER['HTTP_X_FORWARDED_FOR']) && preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\z/', $_SERVER['HTTP_X_FORWARDED_FOR']) ){
$real_ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
}
return preg_replace('/[^0-9.]/', '', $real_ip);
}
function get_call_func_cache($func, $args=array()){