故障描述:
: T8 J/ F! f2 q$ ]1 s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:
& s0 M5 V5 g! Z/ {* q( l9 B* V打开 sourceclassdiscuzdiscuz_application.php 文件
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找到
2 S, U2 D; W( Nprivate function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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5 r! R3 ~- `* c( Q" X3 ~! c if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
U' Q% \- w% V) b k1 ~ system_error('request_tainting');
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}
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- Z1 ^% ^5 E# @7 T$ F if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
# h. F# h1 b6 A; l' N $temp = $_SERVER['REQUEST_URI'];
5 j& W( j5 p0 V- J3 ^1 F& F4 s8 x" } } elseif(empty ($_GET['formhash'])) {
, {% e$ ?4 [! h $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
" A: D |3 n8 A# R9 _ } else {
% G' Q! ]5 M* R# k' W $temp = '';
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- {- n0 |( C* T. b A if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
+ U' R W+ ]2 h! y9 F3 y" e' I) g if(strpos($temp, $str) !== false) {
* u0 \9 f+ y" A0 b5 C system_error('request_tainting');
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}
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}
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return true;
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* U% w! U, x. q. M修改为
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private function _xss_check() {
$ A! g& Y5 Z% J; N6 C $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
8 v9 D$ i# m3 W% Y' ^% s( B if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
) H4 b, q) s% ]# ` O system_error('request_tainting');
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return true;
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}
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