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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:$ n, \+ L: b  l, Z* S, n5 S  i4 @& g
source\class\discuzdiscuz_application.php曉+ }) ~" u- r. A" m  _5 C/ g
  1. private function _xss_check() {& L) X' v& ]0 o* Y
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');' |( f' Q/ @2 o. e& r6 o
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {9 Z6 N2 p, ^8 S; Y
  6.     system_error('request_tainting');0 Y) I9 G! S) i8 P9 d
  7.   }4 E  s: }" Z; H+ b" i' ~
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {3 L7 M1 {+ D2 b' h1 i
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');+ G: X* A: y1 |6 j5 O
  13.   } else {
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  14.     $temp = '';0 l  j4 N$ r' E" ~0 C
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  17.   if(!empty($temp)) {( v7 u( i( V, p7 f8 y" }! o
  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {+ n- _' f. O. U7 ~$ G; B* J
  20.       if(strpos($temp, $str) !== false) {6 x& s2 I9 a$ Q9 d
  21.       system_error('request_tainting');9 h& c& j6 n5 N7 b
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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'])));8 V% [  b7 T% Y; U9 q, {
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {4 }3 c0 _# g) M' j) O2 J9 r& i
  4.                         system_error('request_tainting');
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  5.                 }
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  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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