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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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5 x7 V1 Q( ?) j2 @  [! a% n  yhttp://www.alexa.com/  園Y憒銝憿
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3 p, p; d, h, l) ?; _! |6 R% r/ X閫瘙箸寞憒銝:
4 ]3 r7 x1 \1 c8 Nsource\class\discuzdiscuz_application.php曉5 t4 e& Z/ e& s, G0 }5 }" S
  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');+ t8 y$ p( b  B- `/ d

  4. ( ^1 r" A( l1 c! B
  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');, P- Y7 O( j4 ]0 i& G/ X( ^1 N  x
  7.   }8 I, t" c7 L3 Q5 X5 F" d* o4 B3 D
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {" d. R) l1 `3 M2 G2 J5 T! X
  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {  t4 l2 G$ l: |3 C2 W/ Y
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {7 {" }+ I% I/ \* b6 c2 y
  14.     $temp = '';
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  15.   }# c) P( \, P; `! ?. @4 _

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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {$ `* \. p1 b7 V6 B4 D1 u1 p
  20.       if(strpos($temp, $str) !== false) {9 E6 h5 m! R. O1 ~
  21.       system_error('request_tainting');
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  23.   }
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  24.                 }( S5 D$ A/ N/ Y, }0 x

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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() {4 Z, ]/ q/ j6 P; L' v
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));7 |5 b+ s" K$ K! x# X
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {4 `( g0 T! N% C0 N5 @
  4.                         system_error('request_tainting');( W- U' |- e: ~
  5.                 }
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  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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