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。
9 ~8 @: `9 N6 G: {& n解决方法：
G, i5 \5 b4 b& h打开 sourceclassdiscuzdiscuz_application.php 文件
% h' N3 A- T1 F7 ^. {# h- ^找到
( X W0 b+ n y8 B: cprivate function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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9 a) W* O0 r5 x# V9 u/ m3 [3 }1 v& d if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
( I) S- m2 g( V2 J4 T& c9 ^+ L system_error('request_tainting');
" u& D' ]" h8 q6 D }
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( W% D! ^7 z) c, S) R. E1 J% e if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
0 H; E2 u9 M# K) B" E $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
; W8 @8 d5 U; q( H3 S9 E $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
1 L. x+ T# l! o' X' n+ f; e } else {
9 n0 o. S j) s $temp = '';
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}
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& ~. n% W; e1 c3 x( G if(!empty($temp)) {
h6 w1 r% w6 O2 j0 T' S; X $temp = strtoupper(urldecode(urldecode($temp)));
% c* a/ F$ o$ j3 x foreach ($check as $str) {
" H7 b& T( w. J/ y if(strpos($temp, $str) !== false) {
' a% [! a; Z# z$ E5 U( i" ]5 z system_error('request_tainting');
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}
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}
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- ^0 c0 a/ ]% a9 ?3 Q( S' K return true;
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修改为
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private function _xss_check() {
4 J4 h* _. w1 Y3 q0 |8 G+ }: g $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
1 U. \9 Q H8 ~* h1 ? if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
/ S/ C9 W8 f2 w. p: v system_error('request_tainting');
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}
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return true;
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}
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