故障描述:
8 `# K% V- L* e5 G/ A& `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。
3 x& S: U+ W. p9 T
解决方法:
* T' Z0 }4 z3 [4 Z5 \+ o( |打开 sourceclassdiscuzdiscuz_application.php 文件
, A* x& F# B- E7 v7 c找到
8 G. R9 T7 v3 kprivate function _xss_check() {
3 S- w2 }& O" d0 C
# y) i9 Y Q8 N* n. H- z static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
! v+ J0 h6 q. z5 t [9 x
6 r8 @4 L3 X. Z0 b% `4 S3 ` if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
& [: y! p4 u" l' L) P4 z1 h1 T& i
system_error('request_tainting');
6 U0 D& D. E! `) J
}
- R1 ~0 T" s2 I! X- [) {
9 z! m+ u. \4 R, D if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
* k* S9 I8 i! f! l4 H
$temp = $_SERVER['REQUEST_URI'];
f, h {3 y& W4 M. r% K* R6 X& u } elseif(empty ($_GET['formhash'])) {
* z' w; v+ k0 L# G
$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
/ z& T. E& H8 A. _+ q4 f' Z
} else {
4 O2 K& q* E# g* X
$temp = '';
( x, }/ m$ j7 C0 E }
/ x! j& j k5 @. c4 Y: {! c) }# {' k2 r U
if(!empty($temp)) {
% @" r/ h( t/ w! \6 M
$temp = strtoupper(urldecode(urldecode($temp)));
! G; h3 L& K& H7 S4 U2 h8 O4 o foreach ($check as $str) {
. U9 ` i3 I& D! n& x A
if(strpos($temp, $str) !== false) {
; {2 t9 ~5 S, l. x. \" `3 F7 y system_error('request_tainting');
1 R$ h1 W d# ?2 e9 s- q) ^: e( t
}
& a' [4 T7 D+ V/ |" N5 \
}
# \' B- ]; T4 b. a+ ~ T
}
+ p v. p, y0 n2 V
[# K1 H6 _( x2 \ return true;
1 N3 I+ ~/ s% K0 p S7 [; D
}
q) g4 C! k1 w( @" B修改为
$ o7 r& S }! y2 h7 z' M9 B, o
private function _xss_check() {
& n7 [ o. V' r; H5 D
$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
& z( K5 A& M f/ W7 E2 y& y3 Q: j& ^ if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
5 \3 g& i+ t5 O& l system_error('request_tainting');
7 G6 a6 y% c! _$ |7 h$ |( X" c
}
8 ~7 ~. \; n* y$ v8 C& } return true;
) A# a, g; ~, X+ t4 _3 t. ]
}
9 ^! o" r) R3 G' }; h