[Bug 718670] Re: authorisation not applied to submenus

[Ciprian Dorin Craciun]

According to a Fedora bug report, see below, exporting the `superusers` variable seems to fix it.
    https://bugzilla.redhat.com/show_bug.cgi?id=836259

Concretely, all you need to do in your custom `01_users` script is:
~~~~
set superusers="root"
export superusers
password_pbkdf2 root ...
~~~~

I've tested it on Ubuntu 12.04 LTS (with the latest updates as the date
of this comment).


** Bug watch added: Red Hat Bugzilla #836259
   https://bugzilla.redhat.com/show_bug.cgi?id=836259

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https://bugs.launchpad.net/bugs/718670

Title:
  authorisation not applied to submenus

Status in “grub2” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: grub2

  Using the password-function "pbkdf2" of grub2, two different solution
  depending on "sub-menu" is used (Previous Linux Versions) or not:

  Using the latest Kernel -> the name of the superuser and the password
  will be asked correctly!

  Starting the computer new and selecting the "submenu-function" you can
  use  the

   * edit-funtion as well as to "E-key"

   * cmdline-function "C-key"

  without any authorization!!

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: grub-common 1.99~rc1-2ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-3.30-generic 2.6.38-rc4
  Uname: Linux 2.6.38-3-generic x86_64
  Architecture: amd64
  Date: Mon Feb 14 12:18:49 2011
  ProcEnviron:
   LANGUAGE=de_DE:de:en_GB:en
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   LC_MESSAGES=de_DE.utf8
   SHELL=/bin/bash
  SourcePackage: grub2

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