故障描述:
4 j ~$ Q, n; ~+ g$ V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。
8 R4 t- z$ `5 ]6 u解决方法:
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打开 sourceclassdiscuzdiscuz_application.php 文件
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找到
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private function _xss_check() {
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/ U: b7 y1 U4 V# g O2 W static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
( ^$ d0 V3 ^# v5 O system_error('request_tainting');
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}
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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$temp = $_SERVER['REQUEST_URI'];
, a0 a; } f7 x3 w } elseif(empty ($_GET['formhash'])) {
# W( D, r; q p6 } $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
) ~$ n1 g7 F8 |; { $temp = '';
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}
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if(!empty($temp)) {
. W8 f0 g) k" T. M/ G, ?; Z7 E $temp = strtoupper(urldecode(urldecode($temp)));
& ]: ^6 z. @( `) \5 G foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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}
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return true;
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}
' C" L$ P- e; c8 U1 Z" K修改为
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private function _xss_check() {
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$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
4 q& f+ n( N! R: A6 R' p" ?! q if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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system_error('request_tainting');
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}
Q$ \- b0 i( m9 s return true;
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