Example #1
0
func RootStatus(w http.ResponseWriter, req *http.Request, ctx *Context) (err error) {
	retentionMinutes := config.GetDataStoreConfig().RetentionMinutes
	smtpListener := fmt.Sprintf("%s:%d", config.GetSmtpConfig().Ip4address.String(),
		config.GetSmtpConfig().Ip4port)
	pop3Listener := fmt.Sprintf("%s:%d", config.GetPop3Config().Ip4address.String(),
		config.GetPop3Config().Ip4port)
	webListener := fmt.Sprintf("%s:%d", config.GetWebConfig().Ip4address.String(),
		config.GetWebConfig().Ip4port)
	return RenderTemplate("root/status.html", w, map[string]interface{}{
		"ctx":              ctx,
		"version":          config.VERSION,
		"buildDate":        config.BUILD_DATE,
		"retentionMinutes": retentionMinutes,
		"smtpListener":     smtpListener,
		"pop3Listener":     pop3Listener,
		"webListener":      webListener,
	})
}
Example #2
0
// Main listener loop
func (s *Server) Start() {
	cfg := config.GetSmtpConfig()
	addr, err := net.ResolveTCPAddr("tcp4", fmt.Sprintf("%v:%v",
		cfg.Ip4address, cfg.Ip4port))
	if err != nil {
		log.LogError("Failed to build tcp4 address: %v", err)
		// TODO More graceful early-shutdown procedure
		panic(err)
	}

	log.LogInfo("SMTP listening on TCP4 %v", addr)
	s.listener, err = net.ListenTCP("tcp4", addr)
	if err != nil {
		log.LogError("SMTP failed to start tcp4 listener: %v", err)
		// TODO More graceful early-shutdown procedure
		panic(err)
	}

	if !s.storeMessages {
		log.LogInfo("Load test mode active, messages will not be stored")
	} else if s.domainNoStore != "" {
		log.LogInfo("Messages sent to domain '%v' will be discarded", s.domainNoStore)
	}

	// Start retention scanner
	StartRetentionScanner(s.dataStore)

	// Handle incoming connections
	var tempDelay time.Duration
	for sid := 1; ; sid++ {
		if conn, err := s.listener.Accept(); err != nil {
			if nerr, ok := err.(net.Error); ok && nerr.Temporary() {
				// Temporary error, sleep for a bit and try again
				if tempDelay == 0 {
					tempDelay = 5 * time.Millisecond
				} else {
					tempDelay *= 2
				}
				if max := 1 * time.Second; tempDelay > max {
					tempDelay = max
				}
				log.LogError("SMTP accept error: %v; retrying in %v", err, tempDelay)
				time.Sleep(tempDelay)
				continue
			} else {
				if s.shutdown {
					log.LogTrace("SMTP listener shutting down on request")
					return
				}
				// TODO Implement a max error counter before shutdown?
				// or maybe attempt to restart smtpd
				panic(err)
			}
		} else {
			tempDelay = 0
			expConnectsTotal.Add(1)
			s.waitgroup.Add(1)
			go s.startSession(sid, conn)
		}
	}
}
Example #3
0
func main() {
	config.VERSION = VERSION
	config.BUILD_DATE = BUILD_DATE

	flag.Parse()
	if *help {
		flag.Usage()
		return
	}

	// Load & Parse config
	if flag.NArg() != 1 {
		flag.Usage()
		os.Exit(1)
	}
	err := config.LoadConfig(flag.Arg(0))
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to parse config: %v\n", err)
		os.Exit(1)
	}

	// Setup signal handler
	sigChan := make(chan os.Signal)
	signal.Notify(sigChan, syscall.SIGHUP, syscall.SIGTERM)
	go signalProcessor(sigChan)

	// Configure logging, close std* fds
	level, _ := config.Config.String("logging", "level")
	log.SetLogLevel(level)

	if *logfile != "stderr" {
		// stderr is the go logging default
		if *logfile == "stdout" {
			// set to stdout
			golog.SetOutput(os.Stdout)
		} else {
			err = openLogFile()
			if err != nil {
				fmt.Fprintf(os.Stderr, "%v", err)
				os.Exit(1)
			}
			defer closeLogFile()

			// close std* streams
			os.Stdout.Close()
			os.Stderr.Close() // Warning: this will hide panic() output
			os.Stdin.Close()
			os.Stdout = logf
			os.Stderr = logf
		}
	}

	log.LogInfo("Inbucket %v (%v) starting...", config.VERSION, config.BUILD_DATE)

	// Write pidfile if requested
	// TODO: Probably supposed to remove pidfile during shutdown
	if *pidfile != "none" {
		pidf, err := os.Create(*pidfile)
		if err != nil {
			log.LogError("Failed to create %v: %v", *pidfile, err)
			os.Exit(1)
		}
		defer pidf.Close()
		fmt.Fprintf(pidf, "%v\n", os.Getpid())
	}

	// Grab our datastore
	ds := smtpd.DefaultFileDataStore()

	// Start HTTP server
	web.Initialize(config.GetWebConfig(), ds)
	go web.Start()

	// Start POP3 server
	pop3Server = pop3d.New()
	go pop3Server.Start()

	// Startup SMTP server, block until it exits
	smtpServer = smtpd.NewSmtpServer(config.GetSmtpConfig(), ds)
	smtpServer.Start()

	// Wait for active connections to finish
	smtpServer.Drain()
	pop3Server.Drain()
}