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:
/ Z* O- S$ ?( A6 q: {打开 sourceclassdiscuzdiscuz_application.php 文件
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) A) k/ M! m8 e+ y2 D- r8 l0 Qprivate function _xss_check() {
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# Q! U6 D! l# J6 s8 ~% B static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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0 p9 r& E' u8 B8 b+ D if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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}
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/ q3 N/ x. f+ Q* y( B7 ^ if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
+ g+ }& {2 m# ^- B& N9 y $temp = $_SERVER['REQUEST_URI'];
$ l% k- [, X1 K% D2 [( j8 Z } elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
; T( M/ G# e [' r } else {
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$temp = '';
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}
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. W4 p7 \/ L4 N' U1 B8 y if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
+ H) V8 u5 p) m- }+ ] foreach ($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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return true;
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}
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修改为
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private function _xss_check() {
7 g0 N( h' @5 g: y) e9 B+ L; ~ $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
+ U9 h; X' F0 @- v. l9 i if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
* r; r7 e! [7 c3 H system_error('request_tainting');
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return true;
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