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net/tstun: return the real interface name at device creation.

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This is usually the same as the requested interface, but on some
unixes can vary based on device number allocation, and on Windows
it's the GUID instead of the pretty name, since everything relating
to configuration wants the GUID.

Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson
2021-04-05 21:45:56 -07:00
committed by Dave Anderson
parent d2f838c058
commit bc4381447f
5 changed files with 39 additions and 14 deletions
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13
net/tstun/tun_notwindows.go Normal file
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@@ -0,0 +1,13 @@
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !windows
package tstun
import "github.com/tailscale/wireguard-go/tun"
func interfaceName(dev tun.Device) (string, error) {
return dev.Name()
}