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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 ) _$ I3 j' P0 f0 O! [
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9 z5 x% \/ i5 B4 [7 p3 o9 }( P+ s, zhttp://www.alexa.com/  園Y憒銝憿
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$ z# C8 ]$ a$ `- C閫瘙箸寞憒銝:
' H  ^, D) j) \- E/ m! N# xsource\class\discuzdiscuz_application.php曉$ O9 d) l, w4 J' Y- S$ @1 v; b
  1. private function _xss_check() {' \7 X! S" T4 I2 y; y

  2. : [$ q6 G# R1 [' U/ ^
  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {3 ]0 p! W) y% u- m2 P0 w, Q. q
  6.     system_error('request_tainting');4 \) [9 S+ o2 p% s0 u$ n8 I7 _
  7.   }' ~/ b( ~. T4 s6 ^; _
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];! e; c8 K" ^, B
  11.   } elseif(empty ($_GET['formhash'])) {# r0 i2 w3 ^, I% P% E
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {9 D8 V. E& ]4 B# {+ y, _8 K
  14.     $temp = '';
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  15.   }' l  b8 [4 y' ?7 i& c

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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));0 p" B5 M' W' @1 \# R9 z: W( r
  19.     foreach ($check as $str) {7 }1 K6 M% O+ A5 a0 l! X$ `
  20.       if(strpos($temp, $str) !== false) {% h+ }/ n* G0 G- U
  21.       system_error('request_tainting');5 z4 _/ A( D3 B
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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() {: j4 e6 F: t; A" [' S# C
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));( k, q" {- L" ?. k% m
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {  ~" Y4 B1 B( P* m( }; h7 }
  4.                         system_error('request_tainting');- `: T1 \* ?6 i4 [' [9 L
  5.                 }' T! N/ \! ~: f8 P# @1 c
  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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