[Tutorial] Script Anti Injectie DB

Zerich · Trimis: 17/06/2008 22:23 Titlul subiectului: [Tutorial] Script Anti Injectie DB

// Begin
/*
The muonline xweb base injection filter script
Mssql Injection Filter, Includes arrays
-----------------------------------------------------------------
Changelog: mu.vachev.net?mod=xweb
*/

function xw_sanitycheck($str){
if(strpos(str_replace("''",""," $str"),"'")!=false)
return str_replace("'", "''", $str);
else
return $str;
}

function secure($str){
// Case of an array
if (is_array($str)) {
foreach($str AS $id => $value) {
$str[$id] = secure($value);
}
}
else
$str = xw_sanitycheck($str);

return $str;
}

// Get Filter
$xweb_AI = array_keys($_GET);
$i=0;
while($i<count($xweb_AI)) {
$_GET[$xweb_AI[$i]]=secure($_GET[$xweb_AI[$i]]);
$i++;
}
unset($xweb_AI);

// Request Filter
$xweb_AI = array_keys($_REQUEST);
$i=0;
while($i<count($xweb_AI)) {
$_REQUEST[$xweb_AI[$i]]=secure($_REQUEST[$xweb_AI[$i]]);
$i++;
}
unset($xweb_AI);

// Post Filter
$xweb_AI = array_keys($_POST);
$i=0;
while($i<count($xweb_AI)) {
$_POST[$xweb_AI[$i]]=secure($_POST[$xweb_AI[$i]]);
$i++;
}

// Cookie Filter (do we have a login system?)
$xweb_AI = array_keys($_COOKIE);
$i=0;
while($i<count($xweb_AI)) {
$_COOKIE[$xweb_AI[$i]]=secure($_COOKIE[$xweb_AI[$i]]);
$i++;
}
// End

Acest script nu este al meu l-am luat de la =Master= care l-a luat de la Savoy :closedeyes: