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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 |摨閬 |梯璅∪
砍敺 IT_man 2015-7-19 20:51 蝺刻摩
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http://www.alexa.com/  園Y憒銝憿9 r4 g3 g% J& n
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閫瘙箸寞憒銝:
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  1. private function _xss_check() {' X# i  U& ]* h* z
  2. ' ]6 b- S; d& {% S
  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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  7.   }; V( h  e8 n+ P* D

  8. % B) Y# ^! J# b8 V+ [6 F1 S$ e8 T
  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {2 V6 v! ~0 |* }- {; |
  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {# B$ `1 u8 {/ \* e* y2 K+ z
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');$ W+ l' n' f1 |4 ?+ k5 K$ {
  13.   } else {& a3 q9 M2 _* h" C
  14.     $temp = '';) H* @  O1 h, ~3 q+ v- Q# T
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  17.   if(!empty($temp)) {0 r8 c% T# i: D+ m) B& P
  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {5 F5 g) @% L" o# {
  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');/ W+ o) L0 Y) ~& C8 _
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  23.   }5 }! T6 S$ K. m; l  E& h
  24.                 }
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  25. 7 H, @" J8 ]. \
  26.                 return true;
銴鋆賭誨蝣
湔挾銴鋆賣:
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  1. private function _xss_check() {6 x* G  L+ A+ h# j4 F( F, K+ J
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));7 j' P- p) V; u, k; x6 L/ W& v
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {$ }. T1 T' {4 T8 p* e
  4.                         system_error('request_tainting');. _& R1 _6 }+ U# }! {' R* W1 M
  5.                 }. K& D+ W" a$ f! [1 ?: t  S
  6.                 return true;* V5 e3 p6 @7 K1 I/ m0 O: i) u
  7.         }
銴鋆賭誨蝣

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