故障描述:
+ Q/ |; ^1 b0 J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。
- d: f' Q- [8 J* a, j$ } {0 w解决方法:
V0 u1 w t( q+ |/ z- Z: _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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, @/ {+ Y% J* v static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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* B5 _+ X( R0 S: g9 X if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
+ {3 `- N, A9 e0 C system_error('request_tainting');
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}
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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$temp = $_SERVER['REQUEST_URI'];
# T: u0 N* b3 Q4 [& Z- \ } elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
9 `- K2 k% l3 G+ y $temp = '';
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' R; l! u/ T, [$ V9 k. m: z7 K6 | if(!empty($temp)) {
3 j" o4 d% q& q" R' I $temp = strtoupper(urldecode(urldecode($temp)));
, Y" E4 I3 A4 R( x# T& c foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
% t4 e7 s1 D3 n) t system_error('request_tainting');
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}
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}
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}
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! k+ [: E" K% V! K4 G return true;
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}
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修改为
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private function _xss_check() {
! C' ~/ S1 {; L( w! p( r5 K $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
_# {7 k5 t2 }% N* C6 J if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
. h# W. @# l* ~) _. N4 ^ system_error('request_tainting');
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}
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return true;
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}
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