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:
1 |# l" |' T |) Y B$ W1 e, f打开 sourceclassdiscuzdiscuz_application.php 文件
# X$ N! F5 u; M" ~找到
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private function _xss_check() {
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/ g! f! Y! k, z, L: c1 F static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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. R% E: P8 L, ^ if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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$temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
" Y, A3 L5 {4 q( G* r$ W$ `* n $temp = '';
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* m5 L# O' Y7 ]: M% d% _6 i, p9 l2 n if(!empty($temp)) {
+ X0 d e% Z# u3 x) _$ { $temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
& @0 e0 G& A4 d, D$ O+ P) \2 R3 D o8 g if(strpos($temp, $str) !== false) {
; u2 m4 L l+ [, }3 U system_error('request_tainting');
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return true;
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修改为
; j$ j* Y+ F$ ^private function _xss_check() {
% x+ U7 k+ t. G/ e8 @8 z $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
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if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
7 O* m+ ?! C1 g# f system_error('request_tainting');
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' u) H0 c5 |9 A" J8 w return true;
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}
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