故障描述:
6 d* b. _$ y/ A$ z9 t( [; p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。
. U: D2 @2 H9 c; D解决方法:
. c/ L4 U' o( w0 {* B+ X" F打开 sourceclassdiscuzdiscuz_application.php 文件
" Q- H* b _: U# a: N; H找到
0 x8 x( c" G8 Tprivate function _xss_check() {
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: k$ [2 |/ n1 H! l7 ~$ y: p+ c- r static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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9 |2 j4 R( j% ^& z& ?/ r, n if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
& u; \1 J0 R1 Y( r! u }
+ Z8 D/ L" W5 D% ]0 ?0 {
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
+ f# \2 o- e+ a w; x $temp = $_SERVER['REQUEST_URI'];
1 D0 P5 z- Z' E# H, ?; |+ T4 J+ y } elseif(empty ($_GET['formhash'])) {
9 a( G# p C, |* R; I5 k $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
8 x1 _5 D' N g) y, z3 A } else {
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$temp = '';
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}
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if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
' z5 A6 Y% q0 Y6 m9 x foreach ($check as $str) {
2 S R# y; o" Z7 }) N5 h' W" P if(strpos($temp, $str) !== false) {
; a! o. |- j6 Q system_error('request_tainting');
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}
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}
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}
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return true;
* Y) z7 R7 c! d8 U) P5 h. h}
- W2 j5 o/ F# h& U' Z0 ?3 _修改为
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private function _xss_check() {
) K6 l5 K/ N3 X" i $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
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if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
+ M0 ?" K: o5 {* j9 ^5 H' w+ Q system_error('request_tainting');
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}
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return true;
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}
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