tailscale/wgengine/router/router_darwin.go
Reinaldo de Souza a8635784bc wgengine: add BSD userspace router to darwin
Darwin and FreeBSD are compatible enough to share the userspace router.

The OSX router delegates to the BSD userspace router unless `SetRoutesFunc` is set.
That preserves the mechanism that allows `ipn-go-bridge` to specify its own routing behavior.

Fixes #177

Signed-off-by: Reinaldo de Souza <github@rei.nal.do>
2020-06-24 09:42:20 -07:00

48 lines
941 B
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 (
"github.com/tailscale/wireguard-go/device"
"github.com/tailscale/wireguard-go/tun"
"tailscale.com/types/logger"
)
type darwinRouter struct {
logf logger.Logf
tunname string
Router
}
func newUserspaceRouter(logf logger.Logf, _ *device.Device, tundev tun.Device) (Router, error) {
tunname, err := tundev.Name()
if err != nil {
return nil, err
}
userspaceRouter, err := newUserspaceBSDRouter(logf, nil, tundev)
if err != nil {
return nil, err
}
return &darwinRouter{
logf: logf,
tunname: tunname,
Router: userspaceRouter,
}, nil
}
func (r *darwinRouter) Set(cfg *Config) error {
if cfg == nil {
cfg = &shutdownConfig
}
if SetRoutesFunc != nil {
return SetRoutesFunc(cfg)
}
return r.Router.Set(cfg)
}