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。
: N2 {7 c q l3 c解决方法:
# i( _2 h1 c4 G# l$ j0 `打开 sourceclassdiscuzdiscuz_application.php 文件
0 F6 y/ W* L5 G2 \找到
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private function _xss_check() {
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) I$ D* O( H( T$ u$ I static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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5 e5 N$ V/ I- {( t if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
9 Z% Y: |: E1 {: a: ~# W system_error('request_tainting');
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}
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5 f3 o. J8 I0 d if($_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');
' W. V: h6 s" R# Z: |/ Q } else {
8 p# e5 F0 T1 y: C1 l/ [ $temp = '';
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}
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if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
6 R1 j' ^) Y: |- N4 ^/ G foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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( ~9 X7 v4 B( E1 p% } e2 Z# h return true;
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}
% d% X, _* e) c/ u修改为
5 `: F8 s9 \# q I& ?private function _xss_check() {
& u$ l) A5 |3 d( k7 c% E! ?5 u" f $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
2 G: V9 J* K# C( @1 D if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
/ m' O$ `# o/ _. G3 A; r. R system_error('request_tainting');
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return true;
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