mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-29 21:15:39 +00:00
374 lines
7.3 KiB
Go
374 lines
7.3 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ipn
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import (
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"errors"
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"fmt"
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"os"
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"reflect"
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"testing"
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"time"
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"github.com/tailscale/wireguard-go/wgcfg"
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"tailscale.com/control/controlclient"
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"tailscale.com/tstest"
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"tailscale.com/wgengine/router"
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)
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func fieldsOf(t reflect.Type) (fields []string) {
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for i := 0; i < t.NumField(); i++ {
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fields = append(fields, t.Field(i).Name)
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}
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return
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}
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func TestPrefsEqual(t *testing.T) {
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tstest.PanicOnLog()
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prefsHandles := []string{"ControlURL", "RouteAll", "AllowSingleHosts", "CorpDNS", "WantRunning", "ShieldsUp", "AdvertiseTags", "Hostname", "OSVersion", "DeviceModel", "NotepadURLs", "ForceDaemon", "AdvertiseRoutes", "NoSNAT", "NetfilterMode", "Persist"}
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if have := fieldsOf(reflect.TypeOf(Prefs{})); !reflect.DeepEqual(have, prefsHandles) {
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t.Errorf("Prefs.Equal check might be out of sync\nfields: %q\nhandled: %q\n",
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have, prefsHandles)
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}
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nets := func(strs ...string) (ns []wgcfg.CIDR) {
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for _, s := range strs {
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n, err := wgcfg.ParseCIDR(s)
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if err != nil {
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panic(err)
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}
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ns = append(ns, n)
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}
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return ns
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}
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tests := []struct {
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a, b *Prefs
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want bool
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}{
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{
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&Prefs{},
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nil,
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false,
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},
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{
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nil,
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&Prefs{},
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false,
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},
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{
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&Prefs{},
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&Prefs{},
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true,
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},
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{
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&Prefs{ControlURL: "https://login.tailscale.com"},
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&Prefs{ControlURL: "https://login.private.co"},
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false,
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},
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{
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&Prefs{ControlURL: "https://login.tailscale.com"},
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&Prefs{ControlURL: "https://login.tailscale.com"},
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true,
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},
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{
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&Prefs{RouteAll: true},
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&Prefs{RouteAll: false},
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false,
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},
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{
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&Prefs{RouteAll: true},
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&Prefs{RouteAll: true},
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true,
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},
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{
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&Prefs{AllowSingleHosts: true},
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&Prefs{AllowSingleHosts: false},
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false,
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},
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{
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&Prefs{AllowSingleHosts: true},
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&Prefs{AllowSingleHosts: true},
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true,
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},
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{
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&Prefs{CorpDNS: true},
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&Prefs{CorpDNS: false},
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false,
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},
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{
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&Prefs{CorpDNS: true},
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&Prefs{CorpDNS: true},
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true,
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},
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{
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&Prefs{WantRunning: true},
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&Prefs{WantRunning: false},
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false,
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},
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{
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&Prefs{WantRunning: true},
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&Prefs{WantRunning: true},
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true,
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},
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{
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&Prefs{NoSNAT: true},
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&Prefs{NoSNAT: false},
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false,
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},
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{
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&Prefs{NoSNAT: true},
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&Prefs{NoSNAT: true},
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true,
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},
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{
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&Prefs{Hostname: "android-host01"},
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&Prefs{Hostname: "android-host02"},
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false,
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},
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{
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&Prefs{Hostname: ""},
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&Prefs{Hostname: ""},
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true,
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},
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{
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&Prefs{NotepadURLs: true},
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&Prefs{NotepadURLs: false},
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false,
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},
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{
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&Prefs{NotepadURLs: true},
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&Prefs{NotepadURLs: true},
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true,
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},
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{
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&Prefs{ShieldsUp: true},
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&Prefs{ShieldsUp: false},
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false,
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},
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{
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&Prefs{ShieldsUp: true},
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&Prefs{ShieldsUp: true},
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true,
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},
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{
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&Prefs{AdvertiseRoutes: nil},
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&Prefs{AdvertiseRoutes: []wgcfg.CIDR{}},
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true,
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},
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{
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&Prefs{AdvertiseRoutes: []wgcfg.CIDR{}},
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&Prefs{AdvertiseRoutes: []wgcfg.CIDR{}},
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true,
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},
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{
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&Prefs{AdvertiseRoutes: nets("192.168.0.0/24", "10.1.0.0/16")},
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&Prefs{AdvertiseRoutes: nets("192.168.1.0/24", "10.2.0.0/16")},
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false,
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},
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{
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&Prefs{AdvertiseRoutes: nets("192.168.0.0/24", "10.1.0.0/16")},
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&Prefs{AdvertiseRoutes: nets("192.168.0.0/24", "10.2.0.0/16")},
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false,
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},
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{
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&Prefs{AdvertiseRoutes: nets("192.168.0.0/24", "10.1.0.0/16")},
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&Prefs{AdvertiseRoutes: nets("192.168.0.0/24", "10.1.0.0/16")},
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true,
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},
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{
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&Prefs{NetfilterMode: router.NetfilterOff},
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&Prefs{NetfilterMode: router.NetfilterOn},
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false,
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},
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{
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&Prefs{NetfilterMode: router.NetfilterOn},
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&Prefs{NetfilterMode: router.NetfilterOn},
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true,
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},
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{
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&Prefs{Persist: &controlclient.Persist{}},
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&Prefs{Persist: &controlclient.Persist{LoginName: "dave"}},
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false,
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},
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{
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&Prefs{Persist: &controlclient.Persist{LoginName: "dave"}},
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&Prefs{Persist: &controlclient.Persist{LoginName: "dave"}},
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true,
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},
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}
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for i, tt := range tests {
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got := tt.a.Equals(tt.b)
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if got != tt.want {
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t.Errorf("%d. Equal = %v; want %v", i, got, tt.want)
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}
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}
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}
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func checkPrefs(t *testing.T, p Prefs) {
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var err error
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var p2, p2c *Prefs
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var p2b *Prefs
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pp := p.Pretty()
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if pp == "" {
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t.Fatalf("default p.Pretty() failed\n")
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}
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t.Logf("\npp: %#v\n", pp)
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b := p.ToBytes()
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if len(b) == 0 {
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t.Fatalf("default p.ToBytes() failed\n")
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}
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if !p.Equals(&p) {
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t.Fatalf("p != p\n")
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}
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p2 = p.Clone()
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p2.RouteAll = true
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if p.Equals(p2) {
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t.Fatalf("p == p2\n")
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}
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p2b, err = PrefsFromBytes(p2.ToBytes(), false)
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if err != nil {
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t.Fatalf("PrefsFromBytes(p2) failed\n")
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}
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p2p := p2.Pretty()
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p2bp := p2b.Pretty()
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t.Logf("\np2p: %#v\np2bp: %#v\n", p2p, p2bp)
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if p2p != p2bp {
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t.Fatalf("p2p != p2bp\n%#v\n%#v\n", p2p, p2bp)
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}
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if !p2.Equals(p2b) {
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t.Fatalf("p2 != p2b\n%#v\n%#v\n", p2, p2b)
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}
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p2c = p2.Clone()
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if !p2b.Equals(p2c) {
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t.Fatalf("p2b != p2c\n")
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}
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}
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func TestBasicPrefs(t *testing.T) {
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tstest.PanicOnLog()
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p := Prefs{
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ControlURL: "https://login.tailscale.com",
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}
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checkPrefs(t, p)
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}
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func TestPrefsPersist(t *testing.T) {
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tstest.PanicOnLog()
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c := controlclient.Persist{
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LoginName: "test@example.com",
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}
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p := Prefs{
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ControlURL: "https://login.tailscale.com",
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CorpDNS: true,
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Persist: &c,
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}
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checkPrefs(t, p)
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}
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func TestPrefsPretty(t *testing.T) {
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tests := []struct {
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p Prefs
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os string
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want string
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}{
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{
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Prefs{},
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"linux",
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"Prefs{ra=false mesh=false dns=false want=false routes=[] nf=off Persist=nil}",
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},
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{
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Prefs{},
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"windows",
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"Prefs{ra=false mesh=false dns=false want=false Persist=nil}",
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},
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{
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Prefs{ShieldsUp: true},
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"windows",
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"Prefs{ra=false mesh=false dns=false want=false shields=true Persist=nil}",
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},
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{
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Prefs{AllowSingleHosts: true},
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"windows",
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"Prefs{ra=false dns=false want=false Persist=nil}",
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},
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{
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Prefs{
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NotepadURLs: true,
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AllowSingleHosts: true,
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},
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"windows",
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"Prefs{ra=false dns=false want=false notepad=true Persist=nil}",
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},
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{
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Prefs{
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AllowSingleHosts: true,
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WantRunning: true,
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ForceDaemon: true, // server mode
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},
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"windows",
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"Prefs{ra=false dns=false want=true server=true Persist=nil}",
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},
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{
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Prefs{
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AllowSingleHosts: true,
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WantRunning: true,
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ControlURL: "http://localhost:1234",
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AdvertiseTags: []string{"tag:foo", "tag:bar"},
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},
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"darwin",
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`Prefs{ra=false dns=false want=true tags=tag:foo,tag:bar url="http://localhost:1234" Persist=nil}`,
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},
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{
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Prefs{
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Persist: &controlclient.Persist{},
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},
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"linux",
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`Prefs{ra=false mesh=false dns=false want=false routes=[] nf=off Persist{lm=, o=, n= u=""}}`,
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},
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{
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Prefs{
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Persist: &controlclient.Persist{
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PrivateNodeKey: wgcfg.PrivateKey{1: 1},
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},
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},
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"linux",
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`Prefs{ra=false mesh=false dns=false want=false routes=[] nf=off Persist{lm=, o=, n=[B1VKl] u=""}}`,
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},
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}
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for i, tt := range tests {
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got := tt.p.pretty(tt.os)
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if got != tt.want {
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t.Errorf("%d. wrong String:\n got: %s\nwant: %s\n", i, got, tt.want)
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}
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}
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}
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func TestLoadPrefsNotExist(t *testing.T) {
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bogusFile := fmt.Sprintf("/tmp/not-exist-%d", time.Now().UnixNano())
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p, err := LoadPrefs(bogusFile)
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if errors.Is(err, os.ErrNotExist) {
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// expected.
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return
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}
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t.Fatalf("unexpected prefs=%#v, err=%v", p, err)
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}
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