故障描述:
+ i- X7 J7 t1 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 k) G3 T! }: w4 T解决方法:
/ P: h0 ^$ p( D& w2 d+ p打开 sourceclassdiscuzdiscuz_application.php 文件
5 Q4 W9 Y6 `+ x! f% n找到
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private function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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7 N! P8 S- y3 L/ v# K* k if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
3 j5 h: Z3 P* w* J( B8 ^ T. Z2 } $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');
+ D8 h8 \/ w0 k9 y } else {
# w9 B ]8 _' {. G0 k u $temp = '';
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# Y% n: [7 m/ T4 E' { if(!empty($temp)) {
0 t, l; Y& V! s5 v% \: W, i) | $temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
( w( k% z7 Q* O& B- J" {/ Z! a! \ if(strpos($temp, $str) !== false) {
5 _* x- N3 Z6 M- \+ K3 W% ? system_error('request_tainting');
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}
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return true;
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}
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修改为
* k% g- o* Z6 K4 K8 a4 A; y6 w, uprivate function _xss_check() {
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$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
1 F$ K. c* q8 _* b if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
6 O0 ~0 f+ a: l2 s system_error('request_tainting');
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return true;
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}
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