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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 9 b0 x4 \4 q4 v. h) C3 f
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http://www.alexa.com/  園Y憒銝憿
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8 {& [) C2 j# P# h% s$ p閫瘙箸寞憒銝:
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  1. private function _xss_check() {2 q# ^; ?* @. F

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');  m" I1 h+ h0 n; Q; W  \4 G

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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');/ d5 \& |  v) v
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {- m! s0 }$ z/ n6 c
  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {( e& O) X7 U, K/ u( \
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {' ~. L# p7 z: g7 U
  14.     $temp = '';2 _5 j( O+ m6 F  W
  15.   }
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  17.   if(!empty($temp)) {7 F8 T1 I2 k# P$ ^: ~3 J5 M
  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {3 K! I6 L8 Z, q# ?9 G2 D& R
  21.       system_error('request_tainting');
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  23.   }
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  24.                 }$ V- k/ D; C% o! L* Y& P. G; l

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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() {
    + J1 s% O( @- u
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));' {& ~8 q! V0 U
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {4 {! D/ D. C0 d1 t3 Z9 \7 ~
  4.                         system_error('request_tainting');
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  5.                 }+ w! T5 ?' o2 M9 h
  6.                 return true;4 H/ M% y! ^6 z1 b2 V* Z, B
  7.         }
銴鋆賭誨蝣
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