故障描述:
' C8 N- K/ R6 l( p( b$ Q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。
4 U$ l1 m- a8 V9 K解决方法:
7 G$ W" }0 N3 m1 s1 p! W打开 sourceclassdiscuzdiscuz_application.php 文件
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private function _xss_check() {
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. P2 o2 s @% V& d G& h static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
3 O( Y* x e3 K& V5 l system_error('request_tainting');
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" j# S4 {$ J% H# `. b if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
$ X! h% w7 }' m+ x, s $temp = $_SERVER['REQUEST_URI'];
, p$ s* R+ ?8 z7 \7 r } elseif(empty ($_GET['formhash'])) {
" b% I( u7 Q' A. ^4 k1 E $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
9 N5 i3 D9 n& n. j7 r1 U( v5 i( k } else {
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$temp = '';
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if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
. ~ J$ v0 ]+ t) N2 L) E4 p if(strpos($temp, $str) !== false) {
: F0 W& ?' d9 Z b9 X: E system_error('request_tainting');
4 Y) l! p% V4 P2 {) Y }
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}
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return true;
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}
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修改为
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private function _xss_check() {
. N& e/ V2 u3 P; S; L $temp = strtoupper(urldecode(urldecode($_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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}
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return true;
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