[Bug 357455] Re: Shutdown menu option has "..." but action is immediate

[Chris Coulson]

Paul,

I'll merge the changes in to Ted's session_management branch in the
morning, as it will be easier for you to review. The change makes it
count sessions in the same way that consolekit does. My change makes it
count only a single session for each logged in user, regardless of how
many sessions that user has open.

* If user A has a session open and user B has 2 sessions open, then the
applet counts 2 users, and will decide on whether to display the dialog
based on the policy for multiple users (default in Ubuntu is no
confirmation dialog as the user needs to authenticate).

* If user A has a session open, then the applet counts 1 user and will
decide on whether to display the dialog based on the policy for a single
user (default in Ubuntu is to display the confirmation dialog, as the
user doesn't need to authenticate).

* If user A has 2 sessions open (as the use case in this bug report),
then the applet counts 1 user and will decide on whether to display the
dialog based on the policy for a single user (default in Ubuntu is to
display the confirmation dialog, as the user doesn't need to
authenticate).

You can try the package out in my PPA to see if it behaves as expected.
A good test sequence would be:

1. Select Shutdown or Restart with only a single user logged in. You should see the confirmation dialogue. Cancel this.
2. Open a terminal and create a root shell ("sudo su"). Now select Shutdown or Restart - you should see a Policykit authentication dialogue. Now cancel this.
3. Switch to a terminal (CTRL+ALT+F1) and log in using the user logged in at step 1. Switch back to your X session and select Shutdown or Restart. You should see the Policykit authentication dialogue again. Cancel this.
4. Exit your root shell created in step 2. You should now only have 2 sessions open (with the same user ID. Verify this with ck-list-sessions). Select Shutdown or Restart - you should see the confirmation dialogue with my version, whereas the action would be executed with no confirmation in the current Jaunty version.

-- 
Shutdown menu option has "..." but action is immediate
https://bugs.launchpad.net/bugs/357455
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