故障描述:
6 L' r* h- F/ r) r4 d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。
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解决方法:
2 g. K7 ^; R" }: [# ?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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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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! U6 J8 S& g" c) c* O, Q. m; ] if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
0 r7 X8 f* L& R5 H$ B5 V system_error('request_tainting');
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}
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6 N l* G+ l0 g6 q if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
* C) I) m+ H7 s1 i) @3 f/ w $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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$temp = '';
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}
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* h5 P& q+ B3 u! t: U if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
% l) M3 l: Y) c, p6 w+ p& D system_error('request_tainting');
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}
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}
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: D. _$ `$ D# l) V; J" e+ C return true;
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修改为
: J( |" `- w6 P% g& m1 Dprivate function _xss_check() {
+ y+ G, e2 e0 ?. M/ A6 @ $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
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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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return true;
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}
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