package internal func (e *Engine) TunSettings() ([]string, []string) { e.syncMsgMux.Lock() routeManager := e.routeManager dnsServer := e.dnsServer e.syncMsgMux.Unlock() var routes []string if routeManager != nil { routes = routeManager.CurrentRouteRange() } var searchDomains []string if dnsServer != nil { searchDomains = dnsServer.SearchDomains() } return routes, searchDomains }