故障描述:
2 K9 P r2 n; h7 q& }0 R5 I* z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:
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打开 sourceclassdiscuzdiscuz_application.php 文件
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. }, I2 T# w3 [8 s3 {9 g iprivate function _xss_check() {
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+ X1 y+ h8 m) z' u' c% q/ R9 v static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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8 U5 Q7 x' y6 q( e# u if(isset($_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 = $_SERVER['REQUEST_URI'];
0 k6 M6 |& b5 b& V9 z& v } elseif(empty ($_GET['formhash'])) {
* o; I$ k- _( {6 H A( ^% s" F; ? $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
4 \* B1 Q6 d; ~9 d } else {
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$temp = '';
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if(!empty($temp)) {
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$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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}
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}
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; E' l) p: ^% t2 ~/ I5 \' x return true;
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}
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修改为
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private function _xss_check() {
! S) P; G' h# I ^8 Q+ U. C9 H $temp = strtoupper(urldecode(urldecode($_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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}
* P/ Q5 [3 ^, g& _" V return true;
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}
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