[Bug 1008344] Re: checks "admin" group membership instead of querying polkit

[Martin Pitt]

Gunnar Hjalmarsson [2012-12-31 14:27 -0000]:
> If we can't make polkit provide the desired information without real
> authentication attempts

This is possible. The polkit API has a flag to enable/disable
interactivity, depending on which you either get a "no, but you can
authenticate", or a "yes" answer.

You can see this on the command line with

  pkcheck --action-id
com.ubuntu.languageselector.setsystemdefaultlanguage --process $$

if you additionally specify --allow-user-interaction, you'll get the
password dialog instead.

> Then, when giving a user admin privileges without using the "sudo" or
> "admin" unix group, changing the value of the gsettings key for that
> user would prevent the buttons in question from being greyed out.

Please let's not do that. Being an admin or not is not a configuration
matter, polkit already knows that.

Martin
-- 
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)

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https://bugs.launchpad.net/bugs/1008344

Title:
  checks "admin" group membership instead of querying polkit

Status in “language-selector” package in Ubuntu:
  Triaged

Bug description:
  In a new install of Ubuntu Precise, I cannot make any system-wide
  changes in the language selector (such as installing languages or
  clicking "Apply System-Wide"), only user-specific changes. All those
  controls for system-wide changes are greyed out, although my user does
  have sudo abilities and I would be able to enter the root password of
  the machine.

  The machine is freshly installed, but with customizations specific to
  our site, e.g. ldap authentication for users. Specifically, my user is
  an ldap user, not a local one, and there is a group in the ldap
  directory which was granted sudo capability by adding it to
  /etc/sudoers. My user is part of that group. sudo on the command line
  and gksudo work fine.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: language-selector-gnome 0.79
  ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
  Uname: Linux 3.2.0-24-generic x86_64
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: amd64
  Date: Mon Jun  4 08:20:04 2012
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:
   TERM=screen-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: language-selector
  UpgradeStatus: No upgrade log present (probably fresh install)

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