故障描述:
; _ [, ], v. o2 G3 F退出登录时出现”您当前的访问请求当中含有非法字符,已经被系统拒绝“错误。
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解决方法:
' c6 q5 g- N8 |9 B打开 sourceclassdiscuzdiscuz_application.php 文件
9 x! {- r- I7 E L0 I& S找到
+ `4 D8 L* W4 e9 { \7 lprivate function _xss_check() {
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0 f$ \. J+ {, m+ S( J static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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% i" z, X- M( l2 M4 F+ i7 i if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
+ b5 X/ T. i/ ~/ g- m; u system_error('request_tainting');
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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$temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
. x7 P8 k" D0 E9 A8 s $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
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$temp = '';
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}
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+ `- `8 |0 j9 v) g if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
4 O% G0 x: ^, J foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
2 j( e* H; n. @& k* m# q0 ` system_error('request_tainting');
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}
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}
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2 H! \( y0 P7 }3 W: Q; W return true;
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}
7 m1 X) A' M5 Y5 D0 M9 R4 ]! u3 m# f修改为
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private function _xss_check() {
6 |# @# H% P4 X+ H! s$ e, @ $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
! N( y; P6 \- n. d2 t' X; c0 Z+ E if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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system_error('request_tainting');
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return true;
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}
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