(t *Tunnel, req *StartRequest, _ slog.Logger)
| 13 | ) |
| 14 | |
| 15 | func GetNetworkingStack(t *Tunnel, req *StartRequest, _ slog.Logger) (NetworkStack, error) { |
| 16 | tunFd := int(req.GetTunnelFileDescriptor()) |
| 17 | dupTunFd, err := unix.Dup(tunFd) |
| 18 | if err != nil { |
| 19 | return NetworkStack{}, xerrors.Errorf("dup tun fd: %w", err) |
| 20 | } |
| 21 | |
| 22 | err = unix.SetNonblock(dupTunFd, true) |
| 23 | if err != nil { |
| 24 | unix.Close(dupTunFd) |
| 25 | return NetworkStack{}, xerrors.Errorf("set nonblock: %w", err) |
| 26 | } |
| 27 | fileTun, err := tun.CreateTUNFromFile(os.NewFile(uintptr(dupTunFd), "/dev/tun"), 0) |
| 28 | if err != nil { |
| 29 | unix.Close(dupTunFd) |
| 30 | return NetworkStack{}, xerrors.Errorf("create TUN from File: %w", err) |
| 31 | } |
| 32 | |
| 33 | return NetworkStack{ |
| 34 | WireguardMonitor: nil, // default is fine |
| 35 | TUNDevice: fileTun, |
| 36 | Router: NewRouter(t), |
| 37 | DNSConfigurator: NewDNSConfigurator(t), |
| 38 | }, nil |
| 39 | } |
nothing calls this directly
no test coverage detected