tailscale/net/dns/resolver/macios_ext.go
Josh Bleecher Snyder a24cee0d67 all: simplify ts_macext build tags
Now that we have the easier-to-parse go:build build tags,
it is straightforward to simplify them. Yay.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2021-08-17 11:13:03 -07:00

30 lines
709 B
Go

// 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.
//go:build ts_macext && (darwin || ios)
// +build ts_macext
// +build darwin ios
package resolver
import (
"errors"
"net"
"tailscale.com/net/netns"
"tailscale.com/wgengine/monitor"
)
func init() {
initListenConfig = initListenConfigNetworkExtension
}
func initListenConfigNetworkExtension(nc *net.ListenConfig, mon *monitor.Mon, tunName string) error {
nif, ok := mon.InterfaceState().Interface[tunName]
if !ok {
return errors.New("utun not found")
}
return netns.SetListenConfigInterfaceIndex(nc, nif.Interface.Index)
}