2 GoVPN -- simple secure free software virtual private network daemon
3 Copyright (C) 2014-2016 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 "github.com/pkg/errors"
26 "github.com/songgao/water"
29 func newTAPer(ifaceName string) (io.ReadWriteCloser, error) {
30 if !strings.HasPrefix(ifaceName, interfaceTun) {
31 return nil, errors.Wrap(errUnsupportedInterface, ifaceName)
33 if ifaceName != interfaceTun {
34 return nil, errors.Errorf("Darwin don't allow to set an interface name, only %q is supported", ifaceName)
36 output, err := water.New(water.Config{DeviceType: water.TUN})
37 return output, errors.Wrap(err, "water.New")