Module: Yast::TftpServerDialogsInclude

Defined in:
../../src/include/tftp-server/dialogs.rb

Instance Method Summary (collapse)

Instance Method Details

- (Object) CheckDirectorySyntax(dir)



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# File '../../src/include/tftp-server/dialogs.rb', line 233

def CheckDirectorySyntax(dir)
  Builtins.substring(dir, 0, 1) == "/" &&
    Builtins.filterchars(" \t", dir) == ""
end

- (Object) initialize_tftp_server_dialogs(include_target)



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# File '../../src/include/tftp-server/dialogs.rb', line 11

def initialize_tftp_server_dialogs(include_target)
  Yast.import "UI"

  textdomain "tftp-server"

  Yast.import "CWMFirewallInterfaces"
  Yast.import "Label"
  Yast.import "LogView"
  Yast.import "Message"
  Yast.import "Mode"
  Yast.import "Package"
  Yast.import "Popup"
  Yast.import "TftpServer"
  Yast.import "Wizard"
end

- (Object) MainDialog

Main dialog

Returns:

  • dialog result



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# File '../../src/include/tftp-server/dialogs.rb', line 59

def MainDialog
  Wizard.SetScreenShotName("tftp-server-1-main")

  start = TftpServer.start
  directory = TftpServer.directory
  changed = false

  # Tftp-server dialog caption
  caption = _("TFTP Server Configuration")

  # firewall widget using CWM
  fw_settings = {
    "services"        => ["service:tftp"],
    "display_details" => true
  }
  fw_cwm_widget = CWMFirewallInterfaces.CreateOpenFirewallWidget(
    fw_settings
  )

  # dialog help text
  help_text = _("<p><big><b>Configuring a TFTP Server</b></big></p>")
  # dialog help text
  help_text = Ops.add(
    help_text,
    _(
      "<p>Use this to enable a server for TFTP (trivial file transfer protocol). The server will be started using xinetd.</p>"
    )
  )
  # enlighten newbies, #102946
  # dialog help text
  help_text = Ops.add(
    help_text,
    _("<p>Note that TFTP and FTP are not the same.</p>")
  )
  # dialog help text
  help_text = Ops.add(
    help_text,
    _(
      "<p><b>Boot Image Directory</b>:\n" +
        "Specify the directory where served files are located. The usual value is\n" +
        "<tt>/tftpboot</tt>. The directory will be created if it does not exist. \n" +
        "The server uses this as its root directory (using the <tt>-s</tt> option).</p>\n"
    )
  )
  help_text = Ops.add(help_text, Ops.get_string(fw_cwm_widget, "help", ""))

  contents = HVSquash(
    VBox(
      RadioButtonGroup(
        Id(:rbg),
        VBox(
          Left(
            RadioButton(
              Id(:tftpno),
              Opt(:notify),
              # Radio button label, disable TFTP server
              _("&Disable"),
              !start
            )
          ),
          Left(
            RadioButton(
              Id(:tftpyes),
              Opt(:notify),
              # Radio button label, disable TFTP server
              _("&Enable"),
              start
            )
          )
        )
      ),
      VSpacing(1),
      TextAndButton(
        # Text entry label
        # Directory where served files (usually boot images) reside
        TextEntry(Id(:directory), _("&Boot Image Directory"), directory),
        # push button label
        # select a directory from the filesystem
        PushButton(Id(:browse), _("Bro&wse..."))
      ),
      VSpacing(1),
      Ops.get_term(fw_cwm_widget, "custom_widget", Empty()),
      VSpacing(2),
      # push button label
      # display a log file
      PushButton(Id(:viewlog), _("&View Log"))
    )
  )

  Wizard.SetContentsButtons(
    caption,
    contents,
    help_text,
    Label.BackButton,
    Label.OKButton
  )
  Wizard.HideBackButton
  Wizard.SetAbortButton(:abort, Label.CancelButton)

  # initialize the widget (set the current value)
  CWMFirewallInterfaces.OpenFirewallInit(fw_cwm_widget, "")

  UI.ChangeWidget(Id(:viewlog), :Enabled, !Mode.config)
  event = nil
  ret = nil
  begin
    UI.ChangeWidget(Id(:directory), :Enabled, start)
    UI.ChangeWidget(Id(:browse), :Enabled, start)

    event = UI.WaitForEvent
    ret = Ops.get(event, "ID")
    ret = :abort if ret == :cancel

    # handle the events, enable/disable the button, show the popup if button clicked
    CWMFirewallInterfaces.OpenFirewallHandle(fw_cwm_widget, "", event)

    start = UI.QueryWidget(Id(:rbg), :CurrentButton) == :tftpyes
    directory = Convert.to_string(UI.QueryWidget(Id(:directory), :Value))

    # discard the difference in disabled fields:
    # directory is only considered if start is on
    changed = CWMFirewallInterfaces.OpenFirewallModified("") ||
      start != TftpServer.start || # "" because method doesn't use parameter at all, nice :(
      start && directory != TftpServer.directory

    if ret == :browse
      directory = UI.AskForExistingDirectory(
        directory != "" ? directory : "/",
        ""
      )
      UI.ChangeWidget(Id(:directory), :Value, directory) if directory != nil
    elsif ret == :viewlog
      LogView.DisplayFiltered("/var/log/messages", "\\(tftp\\|TFTP\\)")
    end

    # validity checks
    if ret == :next && start
      if CheckDirectorySyntax(directory)
        #ok, say that it will be created
        if !Mode.config &&
            Ops.less_than(SCR.Read(path(".target.size"), directory), 0)
          # the dir does not exist
          ret = Popup.YesNo(Message.DirectoryDoesNotExistCreate(directory)) ? ret : nil
        end
      else
        UI.SetFocus(Id(:directory))
        # error popup
        Popup.Error(
          _(
            "The directory must start with a slash (/)\nand must not contain spaces."
          )
        )
        ret = nil
      end
    end
  end until ret == :next ||
    (ret == :back || ret == :abort) && (!changed || Popup.ReallyAbort(true))

  if ret == :next
    # grab current settings, store them to SuSEFirewall::
    CWMFirewallInterfaces.OpenFirewallStore(fw_cwm_widget, "", event)

    TftpServer.start = start
    TftpServer.directory = directory if start
  end

  Wizard.RestoreScreenShotName
  Convert.to_symbol(ret)
end

- (Object) Packages

Check for required packaged to be installed

Returns:

  • abort if aborted andnext otherwise



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# File '../../src/include/tftp-server/dialogs.rb', line 30

def Packages
  return :abort if !Package.InstallAll(TftpServer.required_packages)

  :next
end

- (Object) ReadDialog

Read settings dialog

Returns:

  • abort if aborted andnext otherwise



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# File '../../src/include/tftp-server/dialogs.rb', line 38

def ReadDialog
  ret = true

  ret = ret && TftpServer.Read

  if TftpServer.foreign_servers != ""
    Popup.Error(TftpServer.ForeignServersError)
    ret = false
  end
  ret ? :next : :abort
end

- (Object) TextAndButton(text, button)



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# File '../../src/include/tftp-server/dialogs.rb', line 228

def TextAndButton(text, button)
  text = deep_copy(text)
  button = deep_copy(button)
  HBox(Bottom(text), HSpacing(0.5), Bottom(button))
end

- (Object) WriteDialog

Write settings dialog

Returns:

  • abort if aborted andnext otherwise



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# File '../../src/include/tftp-server/dialogs.rb', line 52

def WriteDialog
  ret = TftpServer.Write
  ret ? :next : :abort
end