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[Discuz X3.2] Discuz! System Error---函嗅閮芸隢瘙嗡葉急瘜摮蝚佗撌脩鋡怎頂蝯望蝯[2撘萄]

[銴鋆賡包
頝唾唳摰璅撅
璅銝
潸” 2015-7-19 20:45:45 | 芰閰脖 |芰憭批 撣 |甇摨閬 |梯璅∪
砍敺 IT_man 2015-7-19 20:51 蝺刻摩 " |4 U/ K4 m8 e- s
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) p, U  A" f' f) u閫瘙箸寞憒銝:
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  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {' y% V; @) V5 d# O
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {- G, [6 _+ r) m+ [$ {3 I
  14.     $temp = '';. o- }/ I  N6 Z+ w  {3 d
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));3 g. J$ F7 O3 f% Y8 l
  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {- e& p: }1 m4 R& [; z+ z$ a8 v
  21.       system_error('request_tainting');) R; f% a8 D$ p2 S1 a) F& w
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  23.   }; S8 u1 p* V/ U; k1 a
  24.                 }
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  26.                 return true;
銴鋆賭誨蝣
湔挾銴鋆賣:

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  1. private function _xss_check() {
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  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));1 u( {* N( e( M0 k
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');
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  5.                 }1 _6 Q  W) E5 M2 X+ x, i% A
  6.                 return true;
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  7.         }
銴鋆賭誨蝣
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