// MaskToInt converts net.IPMask to integer.
// TODO Not strictly firewall method, maybe put in different place.
func MaskToInt(mask net.IPMask) (uint64, error) {
var imask uint64
m, err := strconv.ParseInt(mask.String(), 16, 64)
imask = uint64(m)
if err != nil {
return 0, err
}
return imask, nil
}
func getHostOnlyNetwork(nets map[string]*hostOnlyNetwork, hostIP net.IP, netmask net.IPMask) *hostOnlyNetwork {
for _, n := range nets {
// Second part of this conditional handles a race where
// VirtualBox returns us the incorrect netmask value for the
// newly created interface.
if hostIP.Equal(n.IPv4.IP) &&
(netmask.String() == n.IPv4.Mask.String() || n.IPv4.Mask.String() == buggyNetmask) {
return n
}
}
return nil
}
func getHostOnlyNetwork(hostIP net.IP, netmask net.IPMask) (*hostOnlyNetwork, error) {
nets, err := listHostOnlyNetworks()
if err != nil {
return nil, err
}
for _, n := range nets {
if hostIP.Equal(n.IPv4.IP) &&
netmask.String() == n.IPv4.Mask.String() {
return n, nil
}
}
return nil, nil
}
func getHostOnlyAdapter(nets map[string]*hostOnlyNetwork, hostIP net.IP, netmask net.IPMask) *hostOnlyNetwork {
for _, n := range nets {
// Second part of this conditional handles a race where
// VirtualBox returns us the incorrect netmask value for the
// newly created adapter.
if hostIP.Equal(n.IPv4.IP) &&
(netmask.String() == n.IPv4.Mask.String() || n.IPv4.Mask.String() == buggyNetmask) {
log.Debugf("Found: %s", n.Name)
return n
}
}
log.Debug("Not found")
return nil
}
// Sets the IP for the interface. Superuser authentication is required.
func (self IFConfig) SetIP(interfaceName string,
ipAddress net.IP, netMask net.IPMask) error {
logger.Debug("IFConfig: Setting the IP and Netmask")
if !authorized() {
return ErrAuthRequired
}
cmd := exec.Command("sudo", "ifconfig", interfaceName, ipAddress.String(),
"netmask", netMask.String())
logger.Debug("Command Start: %v", cmd.Args)
out, err := cmd.CombinedOutput()
if err != nil {
logger.Error("Command Error: %v : %v", err, limitText(out))
return err
}
logger.Debug("Command Return: %v", limitText(out))
return nil
}