故障描述:
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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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/ U7 _$ y: M' K* U# z打开 sourceclassdiscuzdiscuz_application.php 文件
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找到
. z6 j& i2 \8 o/ E: pprivate function _xss_check() {
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0 j w4 M+ r' g, P; d/ `0 l4 v static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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: R9 [8 S* x: a% q& `8 o( x- l if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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}
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8 P- N& L$ c g if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
% q1 g6 }2 S1 F4 `2 c, i2 W $temp = $_SERVER['REQUEST_URI'];
2 {2 I8 x9 N1 C" I0 o+ B* u* D5 q } elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
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$temp = '';
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}
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: W" S, Y4 r5 r% Y1 o% k if(!empty($temp)) {
& K5 F. V+ ^1 _* L: g $temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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( q! T7 |% o1 u. q return true;
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修改为
: Q! D1 k9 l7 K8 T+ ~! b3 l) kprivate function _xss_check() {
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$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
$ |7 l7 _5 \& t/ R7 A! b! r 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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return true;
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}
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