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。
" c6 k: R( }8 d, A5 a解决方法:
; w' Y6 s( H, f1 e1 {% N8 M打开 sourceclassdiscuzdiscuz_application.php 文件
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找到
9 [2 I6 e% W7 p" ^( S$ iprivate function _xss_check() {
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5 g9 G* m& w/ Z( o' h0 ~1 `* u static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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% ] F4 a0 C; x0 f( x if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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) y6 x7 ^/ F- c, ~+ \3 Z+ w( \6 N if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
/ |4 ?- w, r( m# e4 S8 f $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
$ n( \. ]! v q% K+ s; b+ }0 Y $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
1 i8 P* z1 F7 T7 M' G! s' ^4 u $temp = '';
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}
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if(!empty($temp)) {
0 d9 ^6 | r8 L s3 q9 L $temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
4 s E& P7 p& b+ x; P, r if(strpos($temp, $str) !== false) {
* l. R# J# G& A system_error('request_tainting');
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}
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}
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return true;
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修改为
, N$ j! P0 u' Y4 Y# Tprivate function _xss_check() {
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$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
( {) ?6 N9 d1 y# M* G 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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5 J# q1 Q, N# h: P E g return true;
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}
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