故障描述:
: ]( F$ ^% ]( K8 [7 o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。
) F( V' k, g% C* T$ _/ s' T0 C解决方法:
5 `) H; _6 V6 n) }+ |% m* J打开 sourceclassdiscuzdiscuz_application.php 文件
% U* ?1 V3 N: @5 A- e& M找到
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private function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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" V8 K3 O" B, B if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
" k% T! `4 q* ?& W* U' d system_error('request_tainting');
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# o4 v: [; X& D3 \( H: ?1 d6 y# M& G if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
8 W' J0 | @3 ` $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
' ?: L: F0 W/ g+ t1 v0 h $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
0 H0 h i! P; k7 w% b" G } else {
7 @- _9 Q& i q7 \2 |% f F $temp = '';
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if(!empty($temp)) {
' `+ W p. }1 j2 n* Q" b% C $temp = strtoupper(urldecode(urldecode($temp)));
# J6 [3 i; B6 L% i foreach ($check as $str) {
0 D) m6 @; S; b7 v1 ? if(strpos($temp, $str) !== false) {
0 h( B! T% w9 Q; I0 a9 l/ N system_error('request_tainting');
: l) i0 H. ?/ r- a4 a- g }
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}
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}
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return true;
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}
9 w/ U5 Z1 X% C修改为
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private function _xss_check() {
; d% n% o% u6 ^$ F/ b5 l& F $temp = strtoupper(urldecode(urldecode($_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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}
$ C% d2 _2 d# R return true;
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}
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