/**
* convert an IP address into a hex value
*
* @param string $IP
* @return string
*/
protected function convertIpToHex($host)
{
if (!isset($host) || empty($host) || !is_string($host)) {
static::raiseError(__METHOD__ . '(), $host parameter is invalid!');
return false;
}
global $ms;
$ipv4 = new Net_IPv4();
$parsed = $ipv4->parseAddress($host);
// if CIDR contains no netmask or was unparsable, we assume /32
if (empty($parsed->netmask)) {
$parsed->netmask = "255.255.255.255";
}
if (!$ipv4->validateIP($parsed->ip)) {
$ms->throwError(_("Incorrect IP address! Can not convert it to hex!"));
}
if (!$ipv4->validateNetmask($parsed->netmask)) {
$ms->throwError(_("Incorrect Netmask! Can not convert it to hex!"));
}
if (($hex_host = $ipv4->atoh($parsed->ip)) == false) {
$ms->throwError(_("Failed to convert " . $parsed->ip . " to hex!"));
}
if (($hex_subnet = $ipv4->atoh($parsed->netmask)) == false) {
$ms->throwError(_("Failed to convert " . $parsed->netmask . " to hex!"));
}
return array('ip' => $hex_host, 'netmask' => $hex_subnet);
}
