故障描述:
% X6 }+ r4 a( h- K6 U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。
$ I9 N' L' ]' d% B \* I) P" V' G解决方法:
1 C3 y! {2 ]; [) U! w- R打开 sourceclassdiscuzdiscuz_application.php 文件
) E5 i# S( M& z: K" ^找到
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private function _xss_check() {
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$ y& S `& [/ e static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
$ I) s3 _7 ^7 [3 l* I system_error('request_tainting');
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}
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( Q8 i- L+ P8 ^$ n% k3 Y$ [" A if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
! \( B: A4 @, f s- O* p, M3 e $temp = $_SERVER['REQUEST_URI'];
1 _! _4 M4 K- L3 n, D- f7 M! F } elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
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$temp = '';
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) y- p8 ~! o* y4 {/ B7 t& i if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
- D; f1 C3 i" |9 o* N* L% F foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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}
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t9 l, C! N+ z' M. \; i6 i return true;
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% N/ {; e* B. a- Z修改为
9 M4 e# K/ m& \" I7 I6 {private function _xss_check() {
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$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
+ }0 K& Z& e$ ^5 m1 D+ j 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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/ `+ _3 k# l+ E5 |" q return true;
- y# W5 N0 U0 t- g: R}
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