故障描述:
5 H+ K7 x( q! q5 `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。
) v& t+ D1 J9 {# q解决方法:
' B# c' N% l H5 o打开 sourceclassdiscuzdiscuz_application.php 文件
q3 k( p( `$ \1 u7 S2 W找到
' f9 C6 _1 M$ ^' Cprivate function _xss_check() {
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9 P* T+ H3 a4 J1 W- D1 n static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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: F9 A4 K4 ?- D1 ~ if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
+ i. j& m/ P2 X/ x& q$ ? }
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
* _" p! q4 F8 {1 z$ c1 i $temp = $_SERVER['REQUEST_URI'];
: B1 b3 H' a3 o; K7 K& {
} elseif(empty ($_GET['formhash'])) {
, r( Y2 E- v+ W. t) A9 J $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
" r% S- r4 c, W6 W; P } else {
6 ^) J; i6 l* T# p6 f $temp = '';
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/ s9 g! n% Y6 W! Z2 V if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
6 M, l) C5 Q2 b foreach ($check as $str) {
% t9 r6 u# V( ?' d+ m if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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}
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return true;
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修改为
& L8 G; l, V7 D0 xprivate function _xss_check() {
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$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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9 r* r8 t" g8 Y9 v return true;
% o d+ `2 r2 \; L1 ^' p2 e) Y}
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