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。
7 A' H/ k7 _( D! Q9 P9 T; n0 u解决方法:
+ N8 G9 S% A$ p. l1 o/ J* O2 u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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" _# O3 S. ^2 x1 p$ t3 L static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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, M& L' A& B: j" w) R9 W3 `& F0 h if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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- Q$ \" |1 l2 A& K; h if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
( p+ O Z& [" H" r; L $temp = $_SERVER['REQUEST_URI'];
7 F* S) C" \; v0 V+ L5 N- T# @ } elseif(empty ($_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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if(!empty($temp)) {
- m1 u5 }7 L; b# M0 d4 Y, y $temp = strtoupper(urldecode(urldecode($temp)));
& @& M$ b( ?+ J- o1 |8 N foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
& @, \7 }: t4 P# ?$ \' d system_error('request_tainting');
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}
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8 |- ?! D( c B7 _& Y& i return true;
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}
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修改为
F1 D5 s( o0 c jprivate function _xss_check() {
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$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
$ a9 t3 L1 Y: }% I2 I d 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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