故障描述:
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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:
. J: ?7 O8 |6 j# h打开 sourceclassdiscuzdiscuz_application.php 文件
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private function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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% b3 @2 i5 ?- i/ ^3 C$ ~8 S$ D4 N if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
4 u6 ? ?1 l- I) a! _7 T; e0 ] $temp = $_SERVER['REQUEST_URI'];
4 o2 {% |0 {0 e. z' Z$ s1 x- Y } elseif(empty ($_GET['formhash'])) {
7 }3 n7 b; ^+ d+ n: H! b& d: F8 D $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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0 }; b8 q# }" f! {! ] $temp = '';
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/ p) C. ]. w- _ if(!empty($temp)) {
' O! P5 [- x" ^. U; k* J $temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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8 c1 ]3 T* ~ r: }4 d3 | return true;
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}
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修改为
% U$ L" m6 W) P& I/ p( Qprivate function _xss_check() {
* ]: T# d0 J$ J $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
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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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}
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return true;
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