故障描述:
8 B- ^' Q4 U: @8 p! L$ M9 w$ c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:
. R7 I4 ?3 \0 t7 ~( _打开 sourceclassdiscuzdiscuz_application.php 文件
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找到
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private function _xss_check() {
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4 c+ L( l7 H" L' Y4 b& k& s static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
4 h# L; e; L) N7 {) S system_error('request_tainting');
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}
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6 t, u4 b% j" W+ T if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
6 @8 y1 B6 @2 s $temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
) n3 j; {3 J! y* R } else {
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$temp = '';
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if(!empty($temp)) {
: `* y5 |: l7 K) P$ ^ J' c $temp = strtoupper(urldecode(urldecode($temp)));
# q' r7 W; c4 r$ @ foreach ($check as $str) {
! k' e) n, b6 |7 a0 l if(strpos($temp, $str) !== false) {
$ H1 i0 z7 _! `# y q7 o system_error('request_tainting');
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}
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}
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2 L4 D: x- R5 v$ i6 {: W0 o0 F return true;
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}
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修改为
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private function _xss_check() {
# N4 I" Y3 P$ t& T $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
5 V b" z6 g; B+ G; x4 Z' u) Z 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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% O) v) M& C9 O6 [* ]/ c* q return true;
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}
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