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。
7 l D3 |" n' w, c0 I解决方法:
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打开 sourceclassdiscuzdiscuz_application.php 文件
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找到
) P1 J, X$ F6 x0 B# mprivate function _xss_check() {
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8 L9 ~8 I: \9 Z3 l( B static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
# {: o# ]9 n( Z system_error('request_tainting');
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}
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* F% W3 G; I9 _0 b; G' Z) A4 E if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
7 n# p4 w! D& m" D+ ~ $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');
# |. f) R/ e5 r6 }6 ? L } else {
1 [9 j3 q, K3 {+ X- _1 I6 A $temp = '';
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; i; |9 b8 V5 D8 C if(!empty($temp)) {
! I4 e1 u2 R+ {5 w: f $temp = strtoupper(urldecode(urldecode($temp)));
4 G% Q3 p- L/ C foreach ($check as $str) {
* ?3 ? [9 v! e2 c if(strpos($temp, $str) !== false) {
+ N, U, Q6 L/ i6 n" h; N) x system_error('request_tainting');
: e% }0 l5 `% W6 r6 Q }
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}
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/ z* {" W- {# h* d# R return true;
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修改为
* t/ \: x1 G5 P' d8 W6 Nprivate function _xss_check() {
5 T, P* n3 V% s* R+ t, G7 G! E2 A* b $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
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if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
2 a% A1 _) K3 | system_error('request_tainting');
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5 v1 @2 X- a- o( n9 D, p% I3 h return true;
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}
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