wrap errors

[govpn.git] / src / cypherpunks.ru / govpn / tap_freebsd.go

diff --git a/src/cypherpunks.ru/govpn/tap_freebsd.go b/src/cypherpunks.ru/govpn/tap_freebsd.go
index 03d4554fce9a5973744684646a74645c5d09c772..15745df7964cbdd9f84257f9bc7c20e6ac0bcdc0 100644 (file)
--- a/src/cypherpunks.ru/govpn/tap_freebsd.go
+++ b/src/cypherpunks.ru/govpn/tap_freebsd.go
@@ -3,6 +3,19 @@
 /*
 GoVPN -- simple secure free software virtual private network daemon
 Copyright (C) 2014-2017 Sergey Matveev <stargrave@stargrave.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 package govpn
@@ -11,8 +24,11 @@ import (
        "io"
        "os"
        "path"
+
+       "github.com/pkg/errors"
 )
 
-func newTAPer(ifaceName string) (io.ReadWriter, error) {
-       return os.OpenFile(path.Join("/dev/", ifaceName), os.O_RDWR, os.ModePerm)
+func newTAPer(ifaceName string) (io.ReadWriteCloser, error) {
+       output, err := os.OpenFile(path.Join("/dev/", ifaceName), os.O_RDWR, os.ModePerm)
+       return output, errors.Wrap(err, "os.OpenFile")
 }