故障描述:
/ G- [ m: A1 J" f# e3 H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 c/ k+ m d: g& f/ p- z! p解决方法:
' k' e$ v) u) ^8 I" w打开 sourceclassdiscuzdiscuz_application.php 文件
0 u: L7 b! \8 {' X找到
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private function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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! {% j2 } q8 N+ U if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
w/ F( R9 Y+ | system_error('request_tainting');
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' m( a0 M* H1 d2 a% N* f if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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$temp = $_SERVER['REQUEST_URI'];
k3 T$ w9 l2 j9 l, b! \$ t1 z- p } elseif(empty ($_GET['formhash'])) {
- B+ r4 s% s7 G $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
; @: ~% m3 t# u. p, l $temp = '';
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if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
9 l+ G- x, ~" W4 }5 Z& U5 |0 A if(strpos($temp, $str) !== false) {
7 _5 M: o/ d8 q0 Q) g system_error('request_tainting');
1 A6 d4 F* ~' V+ {( p) u6 \ }
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: e3 t8 R6 |" r1 z return true;
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修改为
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private function _xss_check() {
. |' M" |( L) [1 a $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
3 B" \: \1 G2 W3 G if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
, w- G, g% }# T8 p system_error('request_tainting');
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/ ?# ^7 c' t; ^; ^' t2 j return true;
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}
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