4 GoVPN -- simple secure free software virtual private network daemon
5 Copyright (C) 2014-2017 Sergey Matveev <stargrave@stargrave.org>
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
28 "github.com/pkg/errors"
31 func newTAPer(ifaceName string) (io.ReadWriteCloser, error) {
32 output, err := os.OpenFile(path.Join("/dev/", ifaceName), os.O_RDWR, os.ModePerm)
33 return output, errors.Wrap(err, "os.OpenFile")