function _fw_add_ips($opt, $addr, $fam, &$res)
{
list($netid, $hostid) = parse_ipnet($addr);
if ($netid) {
global $cf;
if (!isset($cf['nets'][$netid])) {
trigger_error("{$opt}({$addr}) unknown network", E_USER_WARNING);
return;
}
if (!$hostid) {
// Assume we refer to the full subnet
if ($fam == 'ipv6' || $fam == 'any') {
if (isset($cf['nets'][$netid]['ip6'])) {
$res[] = ' option ' . $opt . ' ' . $cf['nets'][$netid]['ip6'] . '::/64' . NL;
} elseif ($fam == 'ipv6') {
trigger_error("{$opt}({$addr}) Not an IPv6 network", E_USER_WARNING);
}
}
if ($fam == 'ipv4' || $fam == 'any') {
if (isset($cf['nets'][$netid]['ip4'])) {
$res[] = ' option ' . $opt . ' ' . $cf['nets'][$netid]['ip4'] . '.0/24' . NL;
} elseif ($fam == 'ipv4') {
trigger_error("{$opt}({$addr}) Not an IPv4 network", E_USER_WARNING);
}
}
return;
}
if ($fam == 'ipv6' || $fam == 'any') {
if (isset($cf['nets'][$netid]['ip6'])) {
$res[] = ' option ' . $opt . ' ' . $cf['nets'][$netid]['ip6'] . '::' . dechex($hostid) . NL;
} elseif ($fam == 'ipv6') {
trigger_error("{$opt}({$addr}) Not an IPv6 network", E_USER_WARNING);
}
}
if ($fam == 'ipv4' || $fam == 'any') {
if (isset($cf['nets'][$netid]['ip4'])) {
$res[] = ' option ' . $opt . ' ' . $cf['nets'][$netid]['ip4'] . '.' . $hostid . NL;
} elseif ($fam == 'ipv4') {
trigger_error("{$opt}({$addr}) Not an IPv4 network", E_USER_WARNING);
}
}
return;
}
trigger_error("Invalid netaddr definition {$addr}", E_USER_WARNING);
}
/**
* Parse and lookup an IP address reference
*
* Given an ip in the form `net:`_netid_._hostid_, it will generate
* IPv4 and/or IPv6 addresses for it.
*
* @param $ip string IP address reference
* @param &$cf array_ref Configuration array, must have a `nets` element
* @return array Array of strings containing IPv4/IPv6 addresses
*/
function lk_parse_ip($ip, &$cf)
{
list($netid, $hostid) = parse_ipnet($ip);
$res = array();
if ($netid) {
if (!isset($cf['nets'][$netid])) {
trigger_error("Unknown network {$ip}", E_USER_WARNING);
return $res;
}
$res['netid'] = $netid;
$netdat =& $cf['nets'][$netid];
if (isset($netdat['vlan'])) {
$res['vlan'] = $netdat['vlan'];
}
$res['hostid'] = $hostid;
if (!$hostid) {
return $res;
}
// Configured without IP...
if (isset($netdat['ip6'])) {
$res['ip6'] = $netdat['ip6'] . '::' . dechex($hostid);
}
if (isset($netdat['ip4'])) {
$res['ip4'] = $netdat['ip4'] . '.' . $hostid;
}
} else {
if (is_ipv6($ip)) {
$res['ip6'] = $ip;
} elseif (is_ipv4($ip)) {
$res['ip4'] = $ip;
}
}
return $res;
}
