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。
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解决方法:
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打开 sourceclassdiscuzdiscuz_application.php 文件
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找到
& N3 Y T9 e# y0 R! C. uprivate function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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$ i' ~/ F. J) M* j% w if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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}
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4 Q3 e) A: K1 h, Z5 x x! W& y4 X if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
1 b9 o# u! `! I J: Q* i1 B' b# R% ^ $temp = $_SERVER['REQUEST_URI'];
" T7 J+ P5 T. S8 o. w' @ } elseif(empty ($_GET['formhash'])) {
- ?5 t Z( K; n, {/ L% O2 z6 ^# m $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
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$temp = '';
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7 C; h! ~3 R: w: c8 }) ^/ O if(!empty($temp)) {
8 r6 F6 C p1 q. k" E9 j" `& x0 { $temp = strtoupper(urldecode(urldecode($temp)));
' [3 I4 f! }% g foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
* R2 [) x3 e* {8 B( U+ f$ v C5 Y+ ? system_error('request_tainting');
# t. [# e# w+ P; k; @ }
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}
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1 K ?: f) q3 @' ^& ^# W+ R# h4 D return true;
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修改为
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private function _xss_check() {
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$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
, n- D2 i2 h, w! z; r if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
4 M! l ^0 l _5 d6 Y system_error('request_tainting');
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4 y+ }9 d1 J: \( B0 ? return true;
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