故障描述:
9 e R5 |- c7 q2 H \( A% O% L8 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。. Y$ s( d1 W1 J% h6 u
解决方法:
$ N/ @$ \# z: n0 N" p打开 sourceclassdiscuzdiscuz_application.php 文件
, P1 T: k' Z4 t% A/ u找到. L$ u5 u% U% L
private function _xss_check() {+ _ `8 P9 g5 N# R
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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4 g0 o2 S3 d7 U$ {5 N6 `5 e! q if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
) Q7 ?, S. b7 p' V: H# \% Q" f system_error('request_tainting');. m" p5 @; @* N x! @" J9 q
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, I. D- ^3 b" p/ h! K" N: u if($_SERVER['REQUEST_METHOD'] == 'GET' ) {7 `2 L, L6 Q5 E% S( S/ E+ \5 L
$temp = $_SERVER['REQUEST_URI'];
2 n6 G9 d9 R) d+ m( j* h } elseif(empty ($_GET['formhash'])) {4 G' J0 M5 M0 s* |
$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
& A) W% D" W( F4 Y# Q- u7 y4 k } else {
: K: u1 {0 [1 E+ q& a$ V $temp = '';$ Y& @; f0 y' [& c! l
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if(!empty($temp)) {
8 e, \& Y# e, U+ E; } O. X $temp = strtoupper(urldecode(urldecode($temp)));
% @1 N, Z( ], J/ t9 C/ i' I7 X foreach ($check as $str) {3 M$ b' Q9 j2 U0 h/ g
if(strpos($temp, $str) !== false) {7 d: T- x6 T8 s1 m. ]7 `, d
system_error('request_tainting');) G& `# z( V( M/ f. b! K; ]
}
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}
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return true;
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9 \! K" u K8 P+ U, V修改为
n& s/ \' B+ n8 L+ \+ d" xprivate function _xss_check() {" G. y1 _4 f* m# o5 ?) v2 C2 v1 t% q
$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));5 ~ V: E6 r1 L; [/ Z% o
if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {0 j' u, ~7 W; b& ^
system_error('request_tainting');9 g5 F5 E" M. ^3 q. Y1 x6 g. f2 g
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return true;9 \/ [; i. p) ~7 B- t; f
}
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