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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]

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頝唾唳摰璅撅
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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:5 u( ~$ S* p4 e# Y' }6 o
source\class\discuzdiscuz_application.php曉) A! w, r: R% C
  1. private function _xss_check() {
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  2. 5 p: c% @7 n, \6 \: ]  d3 {
  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {, r  L; C5 d% O5 m4 e
  6.     system_error('request_tainting');
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  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');9 p; n& `# H0 X# J' r, u5 G! t& n, z9 j) ?
  13.   } else {% [$ p- s) c1 N1 |( `, _, `
  14.     $temp = '';. t1 w4 Q; m5 y; ~
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {8 h8 a- ]: K, ?* Y+ n
  20.       if(strpos($temp, $str) !== false) {5 [) z7 w5 g6 Y7 |) `, C. W" q/ V
  21.       system_error('request_tainting');, y( X' A& q7 S. V( B
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  23.   }
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  24.                 }- h& b2 W9 m$ k

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  26.                 return true;
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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($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {/ T9 Q7 H$ Z- i7 i
  4.                         system_error('request_tainting');* O5 U3 ~- Q7 w; y& y6 o
  5.                 }" x/ R! d2 q% B2 f. Y6 k
  6.                 return true;
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  7.         }
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