Class: Bootloader::GrubPasswordWidget

Inherits:
CWM::CustomWidget
  • Object
show all
Includes:
Grub2Widget
Defined in:
src/lib/bootloader/grub2_widgets.rb

Overview

Represents grub password protection widget

Constant Summary

MASKED_PASSWORD = 
"**********"

Instance Method Summary (collapse)

Methods included from Grub2Widget

#grub2, #grub_default, #password, #sections, #stage1

Constructor Details

- (GrubPasswordWidget) initialize

Returns a new instance of GrubPasswordWidget



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# File 'src/lib/bootloader/grub2_widgets.rb', line 289

def initialize
  textdomain "bootloader"
end

Instance Method Details

- (Object) contents 



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# File 'src/lib/bootloader/grub2_widgets.rb', line 295

def contents
  HBox(
    CheckBoxFrame(
      Id(:use_pas),
      _("Prot&ect Boot Loader with Password"),
      true,
      VBox(
        HBox(
          HSpacing(2),
          # TRANSLATORS: checkbox entry
          CheckBox(Id(:unrestricted_pw), _("P&rotect Entry Modification Only")),
          HStretch()
        ),
        HBox(
          HSpacing(2),
          # text entry
          Password(Id(:pw1), Opt(:hstretch), _("&Password")),
          # text entry
          HSpacing(2),
          Password(Id(:pw2), Opt(:hstretch), _("Re&type Password")),
          HStretch()
        )
      )
    )
  )
end

- (Object) handle(event) 



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# File 'src/lib/bootloader/grub2_widgets.rb', line 353

def handle(event)
  return unless event["ID"] == :use_pas

  enabled = Yast::UI.QueryWidget(Id(:use_pas), :Value)
  Yast::UI.ChangeWidget(Id(:unrestricted_pw), :Enabled, enabled)
  Yast::UI.ChangeWidget(Id(:pw1), :Enabled, enabled)
  Yast::UI.ChangeWidget(Id(:pw2), :Enabled, enabled)

  nil
end

- (Object) help 



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# File 'src/lib/bootloader/grub2_widgets.rb', line 381

def help
  _(
    "<p><b>Protect Boot Loader with Password</b><br>\n" \
      "At boot time, modifying or even booting any entry will require the" \
      " password. If <b>Protect Entry Modification Only</b> is checked then " \
      "booting any entry is not restricted but modifying entries requires " \
      "the password (which is the way GRUB 1 behaved).<br>" \
      "YaST will only accept the password if you repeat it in " \
      "<b>Retype Password</b>.</p>"
  )
end

- (Object) init 



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# File 'src/lib/bootloader/grub2_widgets.rb', line 339

def init
  enabled = password.used?
  # read state on disk only if not already set by user (bnc#900026)
  value = enabled && password.password? ? MASKED_PASSWORD : ""

  Yast::UI.ChangeWidget(Id(:use_pas), :Value, enabled)
  Yast::UI.ChangeWidget(Id(:pw1), :Enabled, enabled)
  Yast::UI.ChangeWidget(Id(:pw1), :Value, value)
  Yast::UI.ChangeWidget(Id(:pw2), :Enabled, enabled)
  Yast::UI.ChangeWidget(Id(:pw2), :Value, value)
  Yast::UI.ChangeWidget(Id(:unrestricted_pw), :Enabled, enabled)
  Yast::UI.ChangeWidget(Id(:unrestricted_pw), :Value, password.unrestricted?)
end

- (Object) store 



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# File 'src/lib/bootloader/grub2_widgets.rb', line 364

def store
  usepass = Yast::UI.QueryWidget(Id(:use_pas), :Value)
  if !usepass
    password.used = false
    return
  end

  password.used = true

  value = Yast::UI.QueryWidget(Id(:pw1), :Value)
  # special value as we do not know password, so it mean user do not change it
  password.password = value if value != MASKED_PASSWORD

  value = Yast::UI.QueryWidget(Id(:unrestricted_pw), :Value)
  password.unrestricted = value
end

- (Object) validate 



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# File 'src/lib/bootloader/grub2_widgets.rb', line 322

def validate
  return true unless Yast::UI.QueryWidget(Id(:use_pas), :Value)
  if Yast::UI.QueryWidget(Id(:pw1), :Value) == ""
    Yast::Report.Error(_("The password must not be empty."))
    Yast::UI.SetFocus(Id(:pw1))
    return false
  end
  if Yast::UI.QueryWidget(Id(:pw1), :Value) == Yast::UI.QueryWidget(Id(:pw2), :Value)
    return true
  end
  Yast::Report.Error(_(
                       "'Password' and 'Retype password'\ndo not match. Retype the password."
  ))
  Yast::UI.SetFocus(Id(:pw1))
  false
end