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:
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打开 sourceclassdiscuzdiscuz_application.php 文件
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4 p2 u+ j& P8 s% N& jprivate function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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3 m" V6 O: y7 x; E# B! y! x if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
0 p' ^ v3 Q( r; r9 ~9 ~7 i system_error('request_tainting');
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}
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
0 W) I4 q/ i* }% J+ [; y $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
- F, W" m5 M+ k; G3 s; u $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
* ?: Q0 }6 U+ P% ` } else {
7 ~% @& Q! b: U7 E $temp = '';
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}
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c D0 ?- ^4 q1 V- R6 A' w if(!empty($temp)) {
. Q, q5 g* |- b $temp = strtoupper(urldecode(urldecode($temp)));
) J6 U4 V" e$ ?9 M6 R0 n) {% R foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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}
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return true;
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修改为
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private function _xss_check() {
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$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
6 B% t% k; a+ V' o! f" N if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
' a( |. i" f! n) T& x H- W% U/ q- f system_error('request_tainting');
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}
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return true;
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