故障描述:
: t+ ?2 m0 G7 k* w& U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:
/ C8 k* E( W# ?) H, U& F打开 sourceclassdiscuzdiscuz_application.php 文件
9 b6 |' ~1 y" R. m/ V$ z6 |找到
0 A/ |9 m2 Z) j' R4 j- gprivate function _xss_check() {
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" k( d/ e( z0 k" C6 B0 d& ~1 P static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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/ ]9 b e8 I) ~8 B. d. c9 ^- j if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
$ u, ]# Y' l& W# p+ _ system_error('request_tainting');
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}
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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'])) {
8 D3 z0 c# Z( A. z: n5 G $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
$ F$ y; g8 e# C5 [6 q } else {
! h$ G% j1 l! k9 }8 N9 H, S. ?6 q $temp = '';
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}
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if(!empty($temp)) {
}) L2 L; d" }( S, L $temp = strtoupper(urldecode(urldecode($temp)));
* S7 O1 |/ M- S( L9 P6 J foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
; ]9 G- c" j5 i8 A( u; w system_error('request_tainting');
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}
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}
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}
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3 Y+ G8 o4 ]* A return true;
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修改为
& A8 V" C/ B8 g$ T1 eprivate function _xss_check() {
) F7 s2 p' r% ]7 x $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
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if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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system_error('request_tainting');
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1 q Q7 |; T; _9 F* Q: |) i$ L return true;
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}
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