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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 + z, Q( J. S' t1 Q" S
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# E5 @8 i4 u+ J$ uhttp://www.alexa.com/  園Y憒銝憿
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閫瘙箸寞憒銝:7 x# C( a) q% d& `
source\class\discuzdiscuz_application.php曉1 n$ l: \: F2 K3 h. N
  1. private function _xss_check() {6 c2 t  ~  n  |; b

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');% C9 A3 X% J# n; `7 i1 E

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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {/ N) {- i& Z1 d+ L
  6.     system_error('request_tainting');
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {# v7 S& i, N1 j" w
  10.     $temp = $_SERVER['REQUEST_URI'];% _: c; k8 d* [
  11.   } elseif(empty ($_GET['formhash'])) {3 V9 f5 q: d) G* _% ~5 c
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {
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  14.     $temp = '';
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  17.   if(!empty($temp)) {/ H7 ]; I% D" r# i# X8 S: l0 ~+ v
  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {; e! T- w, Y  C: I! W
  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');6 ?9 q* Q  w7 c! C8 z0 s' j
  22.     }
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  24.                 }" J: v2 q! T" k( 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'])));3 U, D, W, z$ U% Y
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {7 V( q3 m# `% {3 Y
  4.                         system_error('request_tainting');
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  5.                 }7 f0 j3 S9 F. z: O( d# a3 m# `: f' K
  6.                 return true;% Y9 h/ k: y- K( ]# P( h
  7.         }
銴鋆賭誨蝣
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