故障描述:
/ z% e7 |# Q' {0 P& A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。
4 S9 K6 P* w) }3 K解决方法:
9 P ?+ ]' Y e7 h8 a# I: x1 a3 J打开 sourceclassdiscuzdiscuz_application.php 文件
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找到
0 U) C' u* w& pprivate function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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) J+ B) g$ a/ b; U if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
' ]: k0 j( c$ C/ o0 M2 W! m# E $temp = $_SERVER['REQUEST_URI'];
* j0 B4 G# N6 `- I# X9 B5 s } elseif(empty ($_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($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
' O2 Y7 w& |2 g0 }* p, k# \1 O4 g; P foreach ($check as $str) {
0 ]$ a4 [4 q+ f, m% c! u, d2 M if(strpos($temp, $str) !== false) {
8 d9 ?+ {; Q' R; u system_error('request_tainting');
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}
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}
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) S# H0 a7 F0 t: ^$ y, U9 I return true;
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}
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修改为
1 k6 W T: J" W/ F+ O" n% f- l" Y& J. Gprivate 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) {
# S; T8 F1 A, _+ q- t# v system_error('request_tainting');
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}
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return true;
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