Fix the IP Address validation code in the FTP class. Fixes #11393 props nacin.

git-svn-id: https://develop.svn.wordpress.org/trunk@12387 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Peter Westwood 2009-12-13 00:02:01 +00:00
parent 5fd68c506f
commit f6806ba64c
1 changed files with 4 additions and 1 deletions

View File

@ -278,7 +278,10 @@ class ftp_base {
$dns=@gethostbyaddr($host);
if(!$ip) $ip=$host;
if(!$dns) $dns=$host;
if(ip2long($ip) === -1) {
// Validate the IPAddress PHP4 returns -1 for invalid, PHP5 false
// -1 === "255.255.255.255" which is the broadcast address which is also going to be invalid
$ipaslong = ip2long($ip);
if ( ($ipaslong == false) || ($ipaslong === -1) ) {
$this->SendMSG("Wrong host name/address \"".$host."\"");
return FALSE;
}