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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
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閫瘙箸寞憒銝:
" Q/ A# D) B; k# Vsource\class\discuzdiscuz_application.php曉4 Q% a: K; i7 q0 b" u: W! W1 d. M# h
  1. private function _xss_check() {/ O- v: N$ S8 ^4 R5 l1 T+ K" v

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {2 d% u  N$ A% r& K/ R5 X" Z
  6.     system_error('request_tainting');/ L3 e, ]5 y2 H8 v, m( X
  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];! v/ l& R& r/ x8 ]2 V: u# E6 x' j
  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {
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  14.     $temp = '';/ S4 N( u$ v# k. f  m
  15.   }8 B5 y& ?# \- l5 p4 {
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  17.   if(!empty($temp)) {( \, k9 ~1 y7 }  Q
  18.     $temp = strtoupper(urldecode(urldecode($temp)));1 e) h- X, V. ]% j. J/ N5 i$ u
  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {6 X/ S" |3 G' b7 h
  21.       system_error('request_tainting');
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  22.     }
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  23.   }
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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'])));
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  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {1 D3 R! p. b' l4 ?: y; c! I2 h
  4.                         system_error('request_tainting');3 V/ f% n5 O9 ~: ^! ~" i* }
  5.                 }* U5 }& d5 r( }! R
  6.                 return true;4 L: H- M& `2 Q* T7 Q# I. k; q
  7.         }
銴鋆賭誨蝣
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