故障描述:
$ i+ K% Q5 K: o# p5 B, k" {3 T4 ~2 w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。
; }5 r' K/ `5 m. {* _# M9 C, D解决方法:
$ v8 ^! ?6 ~' L& {1 B# V3 u0 e, g打开 sourceclassdiscuzdiscuz_application.php 文件
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private function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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]; u3 A0 {' V( s+ l% b, o( F if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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}
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
d' P6 H7 l) k7 h $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
7 q1 V& j7 u. \+ p, U% E. ?0 ] $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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if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
+ V, h* W$ `/ V( ? foreach ($check as $str) {
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system_error('request_tainting');
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}
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}
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修改为
1 y4 A# ?5 g; r6 Y6 pprivate function _xss_check() {
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$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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return true;
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