故障描述:
2 b$ ]/ [$ Z: e9 X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。
- F8 N" j% Y1 M8 V. v解决方法:
) p/ K6 }! d# ~ s) T6 y0 n打开 sourceclassdiscuzdiscuz_application.php 文件
" q+ Y$ N e% I/ c) K找到
8 A6 z2 j0 Q+ I; l: d% Xprivate function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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' m* ^" G; k i6 d if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
6 r, D( |" _, K, n4 \ }
2 O9 e2 m! m$ C2 h" T" }
* R1 e+ p4 a1 B* A if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
3 i0 _: r% K# d" d! i% T& O; V( w( q7 n $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
+ a+ k g/ ]2 D! K. F- b $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
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$temp = '';
1 L# N: u+ N% }) |# y5 Z }
( r) R0 |0 G2 ^" C6 P3 Z; d+ `* H8 V, Z. g; I/ v: }; ?
if(!empty($temp)) {
. ~# ?) S$ Q @9 c+ M- l) v; D# i $temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
9 `* H3 e3 U6 s& S if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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}
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& f- o0 G/ K+ C* F5 ]; X return true;
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7 T- F! K9 Q( a+ D修改为
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private function _xss_check() {
, |7 a# C& X* D. p" y" u4 S $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
! M! F b5 i* }% T" ? if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
p V% x9 A. g# q8 x: q; e system_error('request_tainting');
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2 K* L* P Q0 _. A: a7 A# ~7 s return true;
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}
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