nebula/overlay/tun_android.go

62 lines
1.2 KiB
Go

//go:build !e2e_testing
// +build !e2e_testing
package overlay
import (
"fmt"
"io"
"net"
"os"
"runtime"
"github.com/sirupsen/logrus"
"github.com/slackhq/nebula/iputil"
)
type tun struct {
io.ReadWriteCloser
fd int
cidr *net.IPNet
l *logrus.Logger
}
func newTunFromFd(l *logrus.Logger, deviceFd int, cidr *net.IPNet, _ int, routes []Route, _ int) (*tun, error) {
if len(routes) > 0 {
return nil, fmt.Errorf("routes are not supported in %s", runtime.GOOS)
}
file := os.NewFile(uintptr(deviceFd), "/dev/net/tun")
return &tun{
ReadWriteCloser: file,
fd: int(file.Fd()),
cidr: cidr,
l: l,
}, nil
}
func newTun(_ *logrus.Logger, _ string, _ *net.IPNet, _ int, _ []Route, _ int, _ bool) (*tun, error) {
return nil, fmt.Errorf("newTun not supported in Android")
}
func (t *tun) RouteFor(iputil.VpnIp) iputil.VpnIp {
return 0
}
func (t tun) Activate() error {
return nil
}
func (t *tun) Cidr() *net.IPNet {
return t.cidr
}
func (t *tun) Name() string {
return "android"
}
func (t *tun) NewMultiQueueReader() (io.ReadWriteCloser, error) {
return nil, fmt.Errorf("TODO: multiqueue not implemented for android")
}