/**
* Convert IP address to integer (get only 32bits of IPv6 address)
*
* @param string IP address
* @return integer Number
*/
function ip2int($ip)
{
if (!is_valid_ip_format($ip)) {
// IP format is incorrect
return 0;
}
if ($ip == '::1') {
// Reserved IP for localhost
$ip = '127.0.0.1';
}
$parts = unpack('N*', inet_pton($ip));
// In case of IPv6 return only a parts of it
$result = strpos($ip, '.') !== false ? $parts[1] : $parts[4];
if ($result < 0) {
// convert unsigned int to signed from unpack.
// this should be OK as it will be a PHP float not an int
$result += 4294967296;
}
return $result;
}
break;
default:
$AdminUI->disp_view('antispam/views/_antispam_tools.view.php');
break;
}
break;
case 'ipranges':
switch ($action) {
case 'iprange_new':
if (!isset($edited_IPRange)) {
// Define new IPRange object only when it was not defined before, e.g. in action 'iprange_create'
$edited_IPRange = new IPRange();
}
// Set IP Start and End from _GET request
$ip = param('ip', 'string', '');
if (!empty($ip) && is_valid_ip_format($ip) && ($ip = explode('.', $ip)) && count($ip) == 4) {
$edited_IPRange->set('IPv4start', ip2int(implode('.', array($ip[0], $ip[1], $ip[2], 0))));
$edited_IPRange->set('IPv4end', ip2int(implode('.', array($ip[0], $ip[1], $ip[2], 255))));
}
$AdminUI->disp_view('antispam/views/_antispam_ipranges.form.php');
break;
case 'iprange_edit':
$AdminUI->disp_view('antispam/views/_antispam_ipranges.form.php');
break;
default:
// View list of the IP Ranges
$AdminUI->disp_view('antispam/views/_antispam_ipranges.view.php');
break;
}
break;
case 'countries':