mirror of
https://github.com/slackhq/nebula.git
synced 2026-02-16 01:34:22 +01:00
Cleanup most of the remaining nits (#578)
This commit is contained in:
@@ -18,7 +18,7 @@ import (
|
||||
|
||||
var deviceNameRE = regexp.MustCompile(`^tun[0-9]+$`)
|
||||
|
||||
type Tun struct {
|
||||
type tun struct {
|
||||
Device string
|
||||
Cidr *net.IPNet
|
||||
MTU int
|
||||
@@ -28,20 +28,20 @@ type Tun struct {
|
||||
io.ReadWriteCloser
|
||||
}
|
||||
|
||||
func (c *Tun) Close() error {
|
||||
if c.ReadWriteCloser != nil {
|
||||
return c.ReadWriteCloser.Close()
|
||||
func (t *tun) Close() error {
|
||||
if t.ReadWriteCloser != nil {
|
||||
return t.ReadWriteCloser.Close()
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func newTunFromFd(l *logrus.Logger, deviceFd int, cidr *net.IPNet, defaultMTU int, routes []Route, unsafeRoutes []Route, txQueueLen int) (ifce *Tun, err error) {
|
||||
func newTunFromFd(_ *logrus.Logger, _ int, _ *net.IPNet, _ int, _ []Route, _ []Route, _ int) (*tun, error) {
|
||||
return nil, fmt.Errorf("newTunFromFd not supported in FreeBSD")
|
||||
}
|
||||
|
||||
func newTun(l *logrus.Logger, deviceName string, cidr *net.IPNet, defaultMTU int, routes []Route, unsafeRoutes []Route, txQueueLen int, multiqueue bool) (ifce *Tun, err error) {
|
||||
func newTun(l *logrus.Logger, deviceName string, cidr *net.IPNet, defaultMTU int, routes []Route, unsafeRoutes []Route, _ int, _ bool) (*tun, error) {
|
||||
if len(routes) > 0 {
|
||||
return nil, fmt.Errorf("Route MTU not supported in FreeBSD")
|
||||
return nil, fmt.Errorf("route MTU not supported in FreeBSD")
|
||||
}
|
||||
if strings.HasPrefix(deviceName, "/dev/") {
|
||||
deviceName = strings.TrimPrefix(deviceName, "/dev/")
|
||||
@@ -49,7 +49,7 @@ func newTun(l *logrus.Logger, deviceName string, cidr *net.IPNet, defaultMTU int
|
||||
if !deviceNameRE.MatchString(deviceName) {
|
||||
return nil, fmt.Errorf("tun.dev must match `tun[0-9]+`")
|
||||
}
|
||||
return &Tun{
|
||||
return &tun{
|
||||
Device: deviceName,
|
||||
Cidr: cidr,
|
||||
MTU: defaultMTU,
|
||||
@@ -58,30 +58,30 @@ func newTun(l *logrus.Logger, deviceName string, cidr *net.IPNet, defaultMTU int
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (c *Tun) Activate() error {
|
||||
func (t *tun) Activate() error {
|
||||
var err error
|
||||
c.ReadWriteCloser, err = os.OpenFile("/dev/"+c.Device, os.O_RDWR, 0)
|
||||
t.ReadWriteCloser, err = os.OpenFile("/dev/"+t.Device, os.O_RDWR, 0)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Activate failed: %v", err)
|
||||
return fmt.Errorf("activate failed: %v", err)
|
||||
}
|
||||
|
||||
// TODO use syscalls instead of exec.Command
|
||||
c.l.Debug("command: ifconfig", c.Device, c.Cidr.String(), c.Cidr.IP.String())
|
||||
if err = exec.Command("/sbin/ifconfig", c.Device, c.Cidr.String(), c.Cidr.IP.String()).Run(); err != nil {
|
||||
t.l.Debug("command: ifconfig", t.Device, t.Cidr.String(), t.Cidr.IP.String())
|
||||
if err = exec.Command("/sbin/ifconfig", t.Device, t.Cidr.String(), t.Cidr.IP.String()).Run(); err != nil {
|
||||
return fmt.Errorf("failed to run 'ifconfig': %s", err)
|
||||
}
|
||||
c.l.Debug("command: route", "-n", "add", "-net", c.Cidr.String(), "-interface", c.Device)
|
||||
if err = exec.Command("/sbin/route", "-n", "add", "-net", c.Cidr.String(), "-interface", c.Device).Run(); err != nil {
|
||||
t.l.Debug("command: route", "-n", "add", "-net", t.Cidr.String(), "-interface", t.Device)
|
||||
if err = exec.Command("/sbin/route", "-n", "add", "-net", t.Cidr.String(), "-interface", t.Device).Run(); err != nil {
|
||||
return fmt.Errorf("failed to run 'route add': %s", err)
|
||||
}
|
||||
c.l.Debug("command: ifconfig", c.Device, "mtu", strconv.Itoa(c.MTU))
|
||||
if err = exec.Command("/sbin/ifconfig", c.Device, "mtu", strconv.Itoa(c.MTU)).Run(); err != nil {
|
||||
t.l.Debug("command: ifconfig", t.Device, "mtu", strconv.Itoa(t.MTU))
|
||||
if err = exec.Command("/sbin/ifconfig", t.Device, "mtu", strconv.Itoa(t.MTU)).Run(); err != nil {
|
||||
return fmt.Errorf("failed to run 'ifconfig': %s", err)
|
||||
}
|
||||
// Unsafe path routes
|
||||
for _, r := range c.UnsafeRoutes {
|
||||
c.l.Debug("command: route", "-n", "add", "-net", r.Cidr.String(), "-interface", c.Device)
|
||||
if err = exec.Command("/sbin/route", "-n", "add", "-net", r.Cidr.String(), "-interface", c.Device).Run(); err != nil {
|
||||
for _, r := range t.UnsafeRoutes {
|
||||
t.l.Debug("command: route", "-n", "add", "-net", r.Cidr.String(), "-interface", t.Device)
|
||||
if err = exec.Command("/sbin/route", "-n", "add", "-net", r.Cidr.String(), "-interface", t.Device).Run(); err != nil {
|
||||
return fmt.Errorf("failed to run 'route add' for unsafe_route %s: %s", r.Cidr.String(), err)
|
||||
}
|
||||
}
|
||||
@@ -89,19 +89,19 @@ func (c *Tun) Activate() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *Tun) CidrNet() *net.IPNet {
|
||||
return c.Cidr
|
||||
func (t *tun) CidrNet() *net.IPNet {
|
||||
return t.Cidr
|
||||
}
|
||||
|
||||
func (c *Tun) DeviceName() string {
|
||||
return c.Device
|
||||
func (t *tun) DeviceName() string {
|
||||
return t.Device
|
||||
}
|
||||
|
||||
func (c *Tun) WriteRaw(b []byte) error {
|
||||
_, err := c.Write(b)
|
||||
func (t *tun) WriteRaw(b []byte) error {
|
||||
_, err := t.Write(b)
|
||||
return err
|
||||
}
|
||||
|
||||
func (t *Tun) NewMultiQueueReader() (io.ReadWriteCloser, error) {
|
||||
func (t *tun) NewMultiQueueReader() (io.ReadWriteCloser, error) {
|
||||
return nil, fmt.Errorf("TODO: multiqueue not implemented for freebsd")
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user