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:
8 z4 P1 B; u( r打开 sourceclassdiscuzdiscuz_application.php 文件
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private function _xss_check() {
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S9 H% R) V. ^/ N! V3 o static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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2 {4 b5 n, j! S2 q/ A if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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$temp = $_SERVER['REQUEST_URI'];
: i }0 `% u8 m. A3 @. H } elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
8 X5 k* ~) V# s; z5 e; U $temp = '';
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# Q& a2 ^/ K" s3 k3 H if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
* P+ i! c3 {0 N# M! f" [* e foreach ($check as $str) {
/ t; b5 ~4 G1 L2 F( Q" { c if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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}
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}
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return true;
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}
4 g$ H' q3 x, ~修改为
9 o4 s) W4 W! g" Xprivate function _xss_check() {
t+ G; { J+ H/ j9 e9 n; Q $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
: u& m; e8 Q% S+ x8 v 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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0 P' i& Y7 `/ e return true;
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}
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