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。
' q* U( F* Z: y解决方法:
% W2 b, u$ u2 C! C打开 sourceclassdiscuzdiscuz_application.php 文件
! \. n h( O& Q8 D2 {/ A: D) P找到
& L4 k0 @9 J) Q7 A1 m7 X& o2 H& wprivate function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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' O' n N7 l9 G; ^- N if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
4 Z" z9 u& N& \0 s3 \ system_error('request_tainting');
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}
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
+ J0 a* m5 p0 l* l $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
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$temp = '';
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}
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+ x$ u( E% U ~- A if(!empty($temp)) {
8 a2 I2 V* H2 v0 O% a $temp = strtoupper(urldecode(urldecode($temp)));
( ^4 m' d3 x. n' a& l foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
1 X* ^3 A( r. ]5 C" ? system_error('request_tainting');
R1 \4 p# z: |% U! K }
- g) C/ @0 \) |/ v }
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}
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# U9 t: z# Q# R" j+ g2 ^ return true;
. K# I1 y* ^8 V0 b$ l}
7 z& D+ n Q6 ?+ Z5 S v修改为
4 y/ F7 \5 n8 \, @& tprivate function _xss_check() {
1 s- B& z# Q/ k5 E0 _ `, v $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
* ]& ]4 S; s1 K& l if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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system_error('request_tainting');
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}
" l" `% {- L" X( n1 h, q" i: F$ t3 r return true;
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}
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