Esempio n. 1
0
// StartBinaryUpgradeChecker checks for binary upgrades when the connection is
// up and on a schedule.
//
// This function runs in it's own goroutine.
func StartBinaryUpgradeChecker() {
	connectionEventListener := make(chan service.ConnectionHistory)
	uChecker, _ := NewUpdateChecker("binary")
	service.AddListener(connectionEventListener)
	for {
		select {
		// Update when the transport connection comes up
		case event := <-connectionEventListener:
			if event.IsUp() {
				uChecker.Activate()
				uChecker.UpdateNow()
			}

		// Update by request of the update checker
		case request := <-uChecker.RequestC:
			err := upgradeBinaryCheck()
			// err := fakeUpgradeBinaryCheck()
			if err != nil {
				lg.Errorln(err)
				request.ResponseC <- UpdateError
			} else {
				request.ResponseC <- UpdateSuccess
			}
		}
	}
}
Esempio n. 2
0
// StartBlocklistUpgrader react to certain conitions for when the list of
// blocked urls should be updated.
//
// This function runs in it's own goroutine.
func StartBlocklistUpgrader() {
	connectionEventListener := make(chan service.ConnectionHistory)
	uChecker, _ := NewUpdateChecker("blocklist")
	service.AddListener(connectionEventListener)
	currentCountry := clientconfig.Get().Settings.Local.CountryCode
	checkCountrySettingC := time.NewTicker(2 * time.Second)
	defer checkCountrySettingC.Stop()
loop:
	for {
		select {
		// Update when the transport connection comes up
		case event := <-connectionEventListener:
			if event.IsUp() {
				uChecker.Activate()
				uChecker.UpdateNow()
			}

		// Tell updatechecker to request update when user changes country settings
		case <-checkCountrySettingC.C:
			conf := clientconfig.Get()
			if currentCountry != conf.Settings.Local.CountryCode {
				currentCountry = conf.Settings.Local.CountryCode
				uChecker.UpdateNow()
			}

		// Update by request of the update checker
		case request := <-uChecker.RequestC:
			conf := clientconfig.Get()
			if conf.Settings.Local.CountryCode == "__" {
				lg.V(9).Infoln("Country is __, skipping blocklist updates")
				continue loop
			}
			currentCountry = conf.Settings.Local.CountryCode
			n, err := upgradeBlockList()
			if err != nil {
				lg.Errorf("blocklist update cc:%s err:%v", currentCountry, err)
				ui.Notify("blocklist_update_error_message")
				request.ResponseC <- UpdateError
			} else {
				lg.V(5).Infof("blocklist update success cc:%s, got %d entries", currentCountry, n)
				ui.Notify("blocklist_update_success_message")
				request.ResponseC <- UpdateSuccess
			}
		}
	}
}
Esempio n. 3
0
// StartBinaryUpgradeChecker checks for binary upgrades when the connection is
// up and on a schedule.
//
// This function runs in it's own goroutine.
func StartBinaryUpgradeChecker(diffsBaseURL string) {
	if !upgradeEnabled {
		lg.Infoln("binary upgrades are disabled using the command line flag")
		return
	}
	if VERSION == "" {
		lg.Warningln("VERSION not set, binary upgrades are disabled")
		return
	}
	_, err := version.NewVersion(VERSION)
	if err != nil {
		lg.Warningf("VERSION '%s' is not a valid semver version, binary upgrades are disabled: %v", VERSION, err)
		return
	}

	connectionEventListener := make(chan service.ConnectionHistory)
	uChecker, _ := NewUpdateChecker("binary")
	service.AddListener(connectionEventListener)
	for {
		select {
		// Update when the transport connection comes up
		case event := <-connectionEventListener:
			if event.IsUp() {
				uChecker.Activate()
				uChecker.UpdateNow()
			}

		// Update by request of the update checker
		case request := <-uChecker.RequestC:
			err := upgradeBinaryCheck(diffsBaseURL)
			if err != nil {
				lg.Errorln(err)
				request.ResponseC <- UpdateError
			} else {
				request.ResponseC <- UpdateSuccess
			}
		}
	}
}
Esempio n. 4
0
func init() {
	var err error
	pac.template, err = template.New("pac").Parse(pacRawTmpl)
	pac.defaultMethod = "DIRECT"
	if err != nil {
		panic(err)
	}

	var buf bytes.Buffer
	for k := range topLevelDomain {
		buf.WriteString(fmt.Sprintf("\t\"%s\": true,\n", k))
	}
	pac.topLevelDomain = buf.String()[:buf.Len()-2] // remove the final comma

	go func() {
		connectionEventListener := make(chan service.ConnectionHistory)
		service.AddListener(connectionEventListener)
		for {
			select {
			case event := <-connectionEventListener:
				if event.IsUp() {
					current := event.Current()
					s, ok := service.ManagedServices.Service(current.ServiceID)
					if ok {
						response := s.Response
						SetBlockedMethod(response["protocol"], response["bindaddr"])
					} else {
						SetBlockedMethod("DIRECT", "")
					}
				} else if event.Current().State == service.Ended {
					SetBlockedMethod("DIRECT", "")
				}
			}
		}
	}()
}