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tailscale/net/netmon/defaultroute_bsd.go

27 lines
606 B
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
// Common code for FreeBSD and Darwin. This might also work on other
// BSD systems (e.g. OpenBSD) but has not been tested.
// Not used on iOS. See defaultroute_ios.go.
//go:build !ios && (darwin || freebsd)
package netmon
import "net"
func defaultRoute() (d DefaultRouteDetails, err error) {
idx, err := DefaultRouteInterfaceIndex()
if err != nil {
return d, err
}
iface, err := net.InterfaceByIndex(idx)
if err != nil {
return d, err
}
d.InterfaceName = iface.Name
d.InterfaceIndex = idx
return d, nil
}