故障描述:
" O- q ~( h- s* { O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 K' k3 @% a( B) z+ I) l' a8 M# E
解决方法:
/ m$ x* `& T# s$ m5 d; I打开 sourceclassdiscuzdiscuz_application.php 文件
2 Y) L) n4 u8 A2 I
找到
& G" H1 B9 L4 i* |: Yprivate function _xss_check() {
2 p* O1 l( ]: W5 C' r2 ^. i, M( R2 m5 y9 \! z F' t9 V+ A0 j. t; W& ~
static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
; w1 O$ {$ c: [: C% O L$ i
) h: o: H, F7 \5 [7 b3 h if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
/ J! o" g+ f7 L; A y system_error('request_tainting');
1 K2 ]' P0 {- O1 Z+ i. E* v }
1 h% ~ A3 j" X5 M, Z
! I, a6 |, P# J# {5 ~ if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
O/ g, ~! t& B7 q) t: P2 J
$temp = $_SERVER['REQUEST_URI'];
% B& q* A7 V6 ?
} elseif(empty ($_GET['formhash'])) {
1 \# v* B7 M+ W! D
$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
! W* ]4 {1 r0 Q/ y/ @3 _, U A
} else {
5 {; X; ^7 f) Q! C $temp = '';
' c, l" Q9 A% w, Q6 k
}
8 S D. y& G4 d1 g
' N$ z1 K* [1 \
if(!empty($temp)) {
" K- y J( ]. [) Z+ E $temp = strtoupper(urldecode(urldecode($temp)));
B) y0 w* K+ I
foreach ($check as $str) {
; K) ~& b- S( B6 x if(strpos($temp, $str) !== false) {
4 O J8 A1 q8 H- F; i system_error('request_tainting');
8 s- x2 _, t$ S }
4 @4 \ y& L- L }
# s% p, B3 T) s1 B# i y
}
% g k1 F5 H( b
' u9 u! T0 L5 N/ P) Q return true;
~" l$ J1 D0 @0 L4 A8 w1 F2 ?# ~; G}
. l( [, M8 e$ O' J" U) D修改为
" U/ N6 E4 t3 j& E' b' Q8 o! a [private function _xss_check() {
! p( m* Q- t! r* q$ X7 T $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
4 O+ f) U+ H. g if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
) B, a) {" y1 H3 ?
system_error('request_tainting');
1 u" h8 K& R; ~
}
# E, z9 K- ]' c. x" V% M" E& L% D8 L8 W return true;
* S ?- }* g, O9 f}
3 Y$ Z$ G, M H/ w7 q& B, m" m. K