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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解决方法:
" \' m; m$ ^: U打开 sourceclassdiscuzdiscuz_application.php 文件
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private function _xss_check() {
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: h% A) O7 D8 }4 C7 @ H/ l. b static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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7 y, {( c5 w1 S( x8 @) x/ p if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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}
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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$temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
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$temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
# }6 `! ?% D* T" N2 B$ h } else {
e( X V- e v0 U $temp = '';
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}
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if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
* D- d- _3 G6 A foreach ($check as $str) {
6 u; R5 X5 t5 N/ `6 A! U if(strpos($temp, $str) !== false) {
6 Y5 ^& d0 f9 n0 b+ I* A system_error('request_tainting');
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}
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- Y( Z5 T5 y/ A return true;
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}
) _8 n( S; q& d2 o( Z; h修改为
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private function _xss_check() {
# Z/ s# ~7 X @# B $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
# ~3 h2 T7 n* R3 ^. E' X 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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f( q! G5 M) a* z# N% D i return true;
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}
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