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。
, d' ]* X+ C" H/ c# B1 S解决方法:
, \! Y8 |2 y4 ~& t s9 F打开 sourceclassdiscuzdiscuz_application.php 文件
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找到
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private function _xss_check() {
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; s& \, r6 Y: R8 ~& m& ~8 y static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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5 E6 m9 S* e8 Y! H) ` if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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}
% O! R r% d3 {+ h$ }1 q& q5 K4 {
, ^# n- O* U' M if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
/ m; c1 k4 k+ r; X& U2 E5 v$ M $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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$temp = '';
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}
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if(!empty($temp)) {
) J, _* r2 E+ t1 o0 ]5 U% C $temp = strtoupper(urldecode(urldecode($temp)));
, u0 h( K! `- g foreach ($check as $str) {
4 {9 B; J6 m: X9 }7 g [0 e if(strpos($temp, $str) !== false) {
5 G- T0 ]( E9 A5 L system_error('request_tainting');
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}
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}
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return true;
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}
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修改为
2 Z- Y) \* g V* T3 K3 Q- M/ ~private function _xss_check() {
) B: a: y" G. N: E2 C O $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
; d2 K; d6 g! j! J 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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}
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return true;
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}
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