Example #1
0
func UiSshConfig(ui *gui.DialogUi) (*sshconf.Config, error) {
	cfg := new(sshconf.Config)
	cfg.Port = "22"
	cfg.User = "******"
	origlist := []string{"IP      : ", "1", "1", "", "1", "10", "22", "0", "0",
		"SSH Port: ", "2", "1", cfg.Port, "2", "10", "22", "0", "0",
		"Username: "******"3", "1", cfg.User, "3", "10", "22", "0", "0"}

MainLoop:
	for {
		ui.HelpButton(true)
		ui.SetHelpLabel("Back")
		reslist, err := ui.Mixedform("Remote session configuration", false, origlist[0:]...)
		if err != nil {
			return nil, err
		}
		if len(reslist) < 3 {
			continue
		}
		if net.ParseIP(reslist[0]) == nil {
			continue
		}
		cfg.Host = reslist[0]

		portDig, err := strconv.Atoi(reslist[1])
		if err != nil {
			return nil, utils.FormatError(err)
		}
		if portDig > 65535 {
			continue
		}

	AuthLoop:
		for {
			ui.SetTitle("Authentication method")
			ui.SetSize(9, 18)
			ui.HelpButton(true)
			ui.SetHelpLabel("Back")
			val, err := ui.Menu(2, "1", "Password", "2", "Private key")
			if err != nil {
				switch err.Error() {
				case gui.DialogMoveBack:
					continue MainLoop
				case gui.DialogExit:
					os.Exit(1)
				}
			}

			switch val {
			case "1":
				cfg.Password, err = ui.GetPasswordFromInput(cfg.Host, cfg.User, "Back", "", false)
			case "2":
				cfg.PrvtKeyFile, err = ui.GetPathToFileFromInput("Path to ssh private key file", "Back", "")
			}
			if err != nil {
				switch err.Error() {
				case gui.DialogMoveBack:
					continue AuthLoop
				case gui.DialogExit:
					os.Exit(1)
				}
			}
			break MainLoop
		}
	}

	run := utils.RunFunc(cfg)
	errCh := make(chan error)
	defer close(errCh)
	go func() {
		// verifying that user is able execute a command by using sudo
		_, err := run("uname")
		errCh <- err
	}()

	if err := ui.Wait("Trying to establish SSH connection to remote host.\nPlease wait...", time.Second*1, time.Second*5, errCh); err != nil {
		ui.Output(gui.Warning, "Unable to establish SSH connection.", "Press <OK> to return to menu.")
		goto MainLoop
	}
	return cfg, nil
}