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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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6 W9 V0 q) D* |5 a2 ?" E( U. Xhttp://www.alexa.com/  園Y憒銝憿
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閫瘙箸寞憒銝:
2 g# F8 I$ y4 D$ j0 _! }4 S/ Tsource\class\discuzdiscuz_application.php曉# G7 {' O2 U  b. l7 F' ^
  1. private function _xss_check() {, S( C2 U2 E( ^

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');# _0 x" q. c, \* i5 \$ D" {( j
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');) Y1 X' Y! ]9 v, ~* B' _: O0 G9 L
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  9.   if($_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 = $_SERVER['REQUEST_URI'].file_get_contents('php://input');* u$ E% e* n3 ^0 N9 }. n0 Y. S
  13.   } else {
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  14.     $temp = '';8 r! V1 d+ |/ v! ]+ Y
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));6 ?/ b8 U" A. @2 [3 Y
  19.     foreach ($check as $str) {4 i9 w, z2 O% L6 n* d+ C& P0 \3 z- i
  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');
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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 n9 ~: D9 g! R) b2 n4 X& ?
  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) {
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  4.                         system_error('request_tainting');
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  6.                 return true;! u7 ?: K9 q2 o& ?# I
  7.         }
銴鋆賭誨蝣

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