故障描述:
N, E6 y3 V8 b% [& g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。
8 k8 \% D& _( a- A解决方法:
4 i. |) Y, s' z2 H) s' ?' ^9 s打开 sourceclassdiscuzdiscuz_application.php 文件
* C+ B# T- x$ U+ O: V4 u找到
- e+ y/ }0 x1 I l' bprivate function _xss_check() {
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* D# `$ ~, A, c3 }* z static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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3 M$ ?( V& h8 { D$ I3 o% M. @ if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
8 g: x8 y6 V- @2 r! z system_error('request_tainting');
0 R) a0 J+ W, t: P }
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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$temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
. x1 C* z: B1 A: G ` $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
7 |, o! y3 l, n } else {
1 g8 e# n4 u/ Q. h: u $temp = '';
! t/ K0 T: ?5 A2 G9 {5 X; d }
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if(!empty($temp)) {
: d# h' I& Y- k) k- [ a# o. v $temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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X& p3 e- {! l- w return true;
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- Y; A% k. N: S0 V* R修改为
/ v: S8 h2 K1 T9 Cprivate function _xss_check() {
) S# q2 x! h+ n) Y* W $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
$ x7 o' o N) E' R! Y2 t' P 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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}
; H R' {5 x, g5 r0 _# M return true;
' h3 j1 K4 Z+ i/ ]' L}
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