故障描述:
9 D) c6 O2 n; d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。
% C+ V) X) e3 g解决方法:
+ E$ n6 S" D' n打开 sourceclassdiscuzdiscuz_application.php 文件
/ v6 d, X# ]: u, s. W/ t" `+ I找到
/ `; K) X3 b) r2 qprivate function _xss_check() {
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2 d% \- ?6 _, G' C& q* Z$ b static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
# J" O- N9 S( V( t$ O" x $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
& A0 X6 w* W. y! o6 Z5 t+ y; A $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
( _8 c8 Z7 K* C8 T5 L5 t' r/ C $temp = '';
6 T9 Z8 C+ }- X- B4 R- p# p7 p }
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1 u2 u3 ]) m. L+ ?* k if(!empty($temp)) {
6 [( [+ E1 o: p" p0 k% U $temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
, \2 a3 w" B4 b9 @ if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
# _$ {$ T: T# U$ T1 c7 k6 K }
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}
% r6 q5 a8 T( e( R1 L2 U9 ^* K }
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% k" r$ x6 r6 f9 O6 E' @6 \6 P$ @ return true;
- K" Y8 C7 r/ v2 Q2 n}
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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'])));
0 F5 C9 x9 ? H2 t# f/ J 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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return true;
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}
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