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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 ' ~+ M0 ?) q' B9 ^  p+ c, I3 g
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http://www.alexa.com/  園Y憒銝憿* I, V+ D9 m- H. E* G

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$ o- B+ ^; W0 I: l* q閫瘙箸寞憒銝:
' t- b2 I2 N+ X$ h8 C8 H% nsource\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {1 u" {0 _4 q/ H3 p6 L; }$ M' y
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  4. + i6 @1 p! C- Y5 a6 ~, L' w8 N
  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {1 d3 z! t0 }$ L! C& F) X1 _6 Y3 |
  6.     system_error('request_tainting');" L6 c9 v* \, v! U; u9 ~5 j% }# V
  7.   }" S  I4 u) z( X! V7 @. o1 J
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];* E! C  m0 V! q/ ^! c' U! |
  11.   } elseif(empty ($_GET['formhash'])) {" j) u$ J9 m1 ~, U" {
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {% m( V$ s1 W9 M: ]
  14.     $temp = '';% H1 r% |7 w; X: @$ R  f/ q
  15.   }
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));* Y4 }% s4 D9 u8 V3 p  k
  19.     foreach ($check as $str) {7 h  P$ P- V3 k# o4 j& V, S
  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');
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  22.     }$ |4 f# M  }% e' D9 S
  23.   }
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  24.                 }
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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() {7 U/ ~% |! k2 B$ k$ a. o2 X
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));; d! n; B& C- a8 e3 Y1 @0 Y
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {& |* `! I4 Q/ O& S# i" C! |
  4.                         system_error('request_tainting');- b- p% h5 h0 C5 p  S
  5.                 }
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  6.                 return true;; Z  d3 K( _0 @+ ]) b
  7.         }
銴鋆賭誨蝣
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