107 lines
2.2 KiB
Go
107 lines
2.2 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package wgengine_test
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import (
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"testing"
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"github.com/tailscale/wireguard-go/tun"
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"tailscale.com/net/tstun"
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"tailscale.com/tsd"
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"tailscale.com/tstest"
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"tailscale.com/types/logger"
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"tailscale.com/wgengine"
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"tailscale.com/wgengine/router"
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)
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func TestIsNetstack(t *testing.T) {
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sys := new(tsd.System)
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e, err := wgengine.NewUserspaceEngine(
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tstest.WhileTestRunningLogger(t),
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wgengine.Config{
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SetSubsystem: sys.Set,
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HealthTracker: sys.HealthTracker(),
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Metrics: sys.UserMetricsRegistry(),
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},
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)
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if err != nil {
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t.Fatal(err)
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}
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defer e.Close()
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if !sys.IsNetstack() {
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t.Errorf("IsNetstack = false; want true")
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}
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}
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func TestIsNetstackRouter(t *testing.T) {
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tests := []struct {
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name string
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conf wgengine.Config
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setNetstackRouter bool
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want bool
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}{
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{
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name: "no_netstack",
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conf: wgengine.Config{
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Tun: newFakeOSTUN(),
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Router: newFakeOSRouter(),
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},
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want: false,
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},
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{
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name: "netstack",
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conf: wgengine.Config{},
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want: true,
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},
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{
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name: "hybrid_netstack",
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conf: wgengine.Config{
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Tun: newFakeOSTUN(),
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Router: newFakeOSRouter(),
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},
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setNetstackRouter: true,
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want: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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sys := &tsd.System{}
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if tt.setNetstackRouter {
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sys.NetstackRouter.Set(true)
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}
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conf := tt.conf
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conf.SetSubsystem = sys.Set
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conf.HealthTracker = sys.HealthTracker()
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conf.Metrics = sys.UserMetricsRegistry()
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e, err := wgengine.NewUserspaceEngine(logger.Discard, conf)
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if err != nil {
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t.Fatal(err)
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}
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defer e.Close()
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if got := sys.IsNetstackRouter(); got != tt.want {
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t.Errorf("IsNetstackRouter = %v; want %v", got, tt.want)
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}
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})
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}
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}
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func newFakeOSRouter() router.Router {
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return someRandoOSRouter{router.NewFake(logger.Discard)}
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}
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type someRandoOSRouter struct {
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router.Router
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}
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func newFakeOSTUN() tun.Device {
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return someRandoOSTUN{tstun.NewFake()}
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}
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type someRandoOSTUN struct {
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tun.Device
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}
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// Name returns something that is not FakeTUN.
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func (t someRandoOSTUN) Name() (string, error) { return "some_os_tun0", nil }
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