故障描述:
' Y& ?) s( T! L5 @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。
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解决方法:
2 R7 ~# t( O( a: E) {
打开 sourceclassdiscuzdiscuz_application.php 文件
) \; T) [; R8 t找到
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private function _xss_check() {
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: o8 E2 T3 z! a& w, O6 I/ N static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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}
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* A2 K! l g& V3 _ if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
. ]" T5 z3 X9 Y $temp = $_SERVER['REQUEST_URI'];
% f- \5 N6 z6 s' l, J6 v" B } elseif(empty ($_GET['formhash'])) {
. e4 ^7 |& S# Y* I7 _' t8 s! z $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
/ i7 i, G# ?5 v, O) }* X* W% f } else {
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$temp = '';
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$ Z& D( i. s- u- ~, e1 ` if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
) E; F4 ~7 \* f: A if(strpos($temp, $str) !== false) {
- ]( |0 \$ E+ o ] system_error('request_tainting');
& S8 T6 x) F: [! C& c* W7 j3 N }
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}
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return true;
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}
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修改为
8 d9 |4 x- R0 m4 z' D7 g. w+ Lprivate function _xss_check() {
0 N( e$ y, w3 e4 @# i, ]% q0 [ $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
" R7 U& i% W* w: e$ O if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
' ]: K! }$ \" o n( }0 c. ]! a8 D system_error('request_tainting');
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" i! s$ B! N) N$ T) ] return true;
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}
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