砍敺 IT_man 2015-7-19 20:51 蝺刻摩
. y" T) b8 s6 v
9 N- Q0 n) R& V
- @( i, z8 f9 A) d, |! M
1 `# j% W) u8 h) t* [. I& ~8 ]* S; S( |2 f" a3 k: q
http://www.alexa.com/ 園Y憒銝憿
* d1 i9 V( p. \2 A; K3 Y) t5 {0 m: K. C' o6 x
8 ^ |: d% g- y5 @) I3 W8 J8 A
閫瘙箸寞憒銝:$ n, \+ L: b l, Z* S, n5 S i4 @& g
source\class\discuzdiscuz_application.php曉+ }) ~" u- r. A" m _5 C/ g
- private function _xss_check() {& L) X' v& ]0 o* Y
- ' O. q* [+ ?+ r6 ?2 N) N& W
- static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');' |( f' Q/ @2 o. e& r6 o
- ' c j4 e; l" z3 [( o
- if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {9 Z6 N2 p, ^8 S; Y
- system_error('request_tainting');0 Y) I9 G! S) i8 P9 d
- }4 E s: }" Z; H+ b" i' ~
- : e& B6 g, \" N' `) {* F1 b- c1 G8 y, \4 ]
- if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
4 y- k- H7 F6 x, f& } - $temp = $_SERVER['REQUEST_URI'];
@3 c3 }% X0 G8 v g9 x3 Y - } elseif(empty ($_GET['formhash'])) {3 L7 M1 {+ D2 b' h1 i
- $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');+ G: X* A: y1 |6 j5 O
- } else {
: P* v! i/ Q8 E+ K' q* i3 ? - $temp = '';0 l j4 N$ r' E" ~0 C
- }: a. r U4 A0 x% A0 Q
- ; v# D: C" _) Y( ]" Z6 c
- if(!empty($temp)) {( v7 u( i( V, p7 f8 y" }! o
- $temp = strtoupper(urldecode(urldecode($temp)));
& t! e5 [" w. ^. z* w% c - foreach ($check as $str) {+ n- _' f. O. U7 ~$ G; B* J
- if(strpos($temp, $str) !== false) {6 x& s2 I9 a$ Q9 d
- system_error('request_tainting');9 h& c& j6 n5 N7 b
- }# ]5 @* n8 L2 a) }0 R: Z
- }
9 } t- D1 Z* g/ v* ^# o, D1 G - }( j8 w% @ p5 |9 ~) n' A$ n
- : _4 |# G5 A: y+ Z" B+ M, H
- return true;
銴鋆賭誨蝣 湔挾銴鋆賣:3 S, [, t6 I# O* h9 t" V: y: B
- private function _xss_check() {
" B8 S9 ^1 K2 ]% A2 V' k9 ` - $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));8 V% [ b7 T% Y; U9 q, {
- if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {4 }3 c0 _# g) M' j) O2 J9 r& i
- system_error('request_tainting');
# |/ s Q! Q: q2 J - }
' T' A' i6 N6 |* N! Y - return true;
0 w6 r; p1 ^# D$ s, O" n - }
銴鋆賭誨蝣
4 D4 b0 H6 `6 K- `, U! ~7 I9 a0 [. E! M3 _% H( X
# s' d5 A( B% \# R0 h
2 P( p: c& f6 N2 } B |
|