故障描述:
# T4 |/ O2 V" h) N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。
' p8 c8 O$ I, i4 |7 Q解决方法:
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打开 sourceclassdiscuzdiscuz_application.php 文件
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3 Q; p# |5 T) _8 ?+ r; w% yprivate function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
; n6 L( ?4 Y- y0 I U* p2 i" b system_error('request_tainting');
) U$ G! y6 O& h }
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4 n) w# ^1 Y( y I5 f: h if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
4 C" `( A2 v1 h $temp = $_SERVER['REQUEST_URI'];
$ S: t# G4 u- v2 S; E) F } elseif(empty ($_GET['formhash'])) {
6 b8 g P$ Y# c: t5 r $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
& i( L4 @4 X' e' C9 F $temp = '';
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if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
& b& G' E) x* r& ~4 U# {- q3 U" H foreach ($check as $str) {
6 a; p! N/ ?# f3 I if(strpos($temp, $str) !== false) {
4 m" @9 A4 h. B' a) b/ B system_error('request_tainting');
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}
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return true;
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}
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修改为
# b& u6 f7 G& L; }* i' dprivate function _xss_check() {
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$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
: p- M* n, Q; r if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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system_error('request_tainting');
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}
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return true;
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