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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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! j2 g  X2 N1 ]9 Whttp://www.alexa.com/  園Y憒銝憿7 P; N* A6 W' h/ A" ~- V8 q  X

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source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');1 U9 x. |( F- H! l+ w
  4. 9 b+ ~% ~- l: D, w- n" D
  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');( P) U# o8 F9 z4 c9 J2 y1 x
  7.   }: R" F5 C2 p3 J3 @' ?' q) \
  8. / {6 K& a8 u& _) X3 x
  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {* }. Y* d5 X) Y; m3 Y- |: }8 t
  10.     $temp = $_SERVER['REQUEST_URI'];* T7 L# O2 b' X8 d0 ?4 b
  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');- h; K9 d. N) Q+ a
  13.   } else {
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  14.     $temp = '';
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  15.   }; }5 c/ G# j! X5 t: T

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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));8 P* Q, V; u2 _0 F* G8 \) I0 u. f7 i
  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {1 L+ _7 e7 f$ w3 w) t6 ?5 y5 l/ D# a
  21.       system_error('request_tainting');$ z; D5 h4 G  m% [( e! d! b
  22.     }/ }  t; x2 t1 P3 `: _; h
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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'])));! L- ~5 |: Q9 r. e
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');' @* @: C! \% ]7 q8 q
  5.                 }8 T: }8 x' T# |# M2 }: a; J
  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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