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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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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5 }: U D: o' V0 O. Y static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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}
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$ l6 X* }' c) N* Q if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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} elseif(empty ($_GET['formhash'])) {
: w( f$ O3 T2 A( D* P8 g6 f $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
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$temp = '';
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if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
) w0 d6 Q: q+ q foreach ($check as $str) {
- r+ J) I" ? k, B7 G if(strpos($temp, $str) !== false) {
6 O$ ^' R) Z8 d system_error('request_tainting');
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6 e3 X3 w$ y9 w7 ]1 U8 j, p9 ? return true;
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}
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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'])));
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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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}
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}
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