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tailscale/wgengine/router/router_freebsd.go

31 lines
1.1 KiB
Go

// Copyright (c) 2020 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.
package router
import (
"golang.zx2c4.com/wireguard/tun"
"tailscale.com/types/logger"
)
// For now this router only supports the userspace WireGuard implementations.
//
// Work is currently underway for an in-kernel FreeBSD implementation of wireguard
// https://svnweb.freebsd.org/base?view=revision&revision=357986
func newUserspaceRouter(logf logger.Logf, tundev tun.Device) (Router, error) {
return newUserspaceBSDRouter(logf, tundev)
}
func cleanup(logf logger.Logf, interfaceName string) {
// If the interface was left behind, ifconfig down will not remove it.
// In fact, this will leave a system in a tainted state where starting tailscaled
// will result in "interface tailscale0 already exists"
// until the defunct interface is ifconfig-destroyed.
ifup := []string{"ifconfig", interfaceName, "destroy"}
if out, err := cmd(ifup...).CombinedOutput(); err != nil {
logf("ifconfig destroy: %v\n%s", err, out)
}
}