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Clean more

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This commit is contained in:
Jason A. Donenfeld
2018-05-14 12:27:29 +02:00
parent 8b30278ce6
commit 355e9bd619
7 changed files with 52 additions and 65 deletions
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29
tun_linux.go
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@@ -395,7 +395,7 @@ func CreateTUN(name string) (TUNDevice, error) {
}
func CreateTUNFromFile(fd *os.File) (TUNDevice, error) {
device := &NativeTun{
tun := &NativeTun{
fd: fd,
events: make(chan TUNEvent, 5),
errors: make(chan error, 5),
@@ -404,37 +404,38 @@ func CreateTUNFromFile(fd *os.File) (TUNDevice, error) {
}
var err error
device.rwcancel, err = rwcancel.NewRWCancel(int(fd.Fd()))
tun.rwcancel, err = rwcancel.NewRWCancel(int(fd.Fd()))
if err != nil {
return nil, err
}
_, err = device.Name()
_, err = tun.Name()
if err != nil {
return nil, err
}
// start event listener
device.index, err = getIFIndex(device.name)
tun.index, err = getIFIndex(tun.name)
if err != nil {
return nil, err
}
tun.netlinkSock, err = createNetlinkSocket()
if err != nil {
return nil, err
}
go tun.RoutineNetlinkListener()
go tun.RoutineHackListener() // cross namespace
// set default MTU
err = device.setMTU(DefaultMTU)
err = tun.setMTU(DefaultMTU)
if err != nil {
tun.Close()
return nil, err
}
device.netlinkSock, err = createNetlinkSocket()
if err != nil {
return nil, err
}
go device.RoutineNetlinkListener()
go device.RoutineHackListener() // cross namespace
return device, nil
return tun, nil
}