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Bug 645453 - gdm does not appear to honour gconf key /apps/gdm/simple-greeter/disable_restart_buttons = false or PolicyKit settings
Summary: gdm does not appear to honour gconf key /apps/gdm/simple-greeter/disable_rest...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: gdm
Version: 6.0
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: rc
: ---
Assignee: Ray Strode [halfline]
QA Contact: Desktop QE
URL:
Whiteboard:
Depends On:
Blocks: GSS_6_2_PROPOSED
TreeView+ depends on / blocked
 
Reported: 2010-10-21 14:28 UTC by Dan Astoorian
Modified: 2018-11-26 19:28 UTC (History)
7 users (show)

Fixed In Version: gdm-2.30.4-27.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-12-06 17:57:46 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
GNOME Bugzilla 624298 0 None None None Never
Red Hat Knowledge Base (Legacy) 43515 0 None None None Never
Red Hat Product Errata RHBA-2011:1721 0 normal SHIPPED_LIVE gdm bug fix update 2011-12-06 01:02:11 UTC

Description Dan Astoorian 2010-10-21 14:28:27 UTC 
Description of problem:
A "Shutdown Options" menu appears in the lower right corner of the gdm simple-greeter login screen with "Suspend", "Restart" and "Shut Down" options even if the gconf key /apps/gdm/simple-greeter/disable_restart_buttons has been set to false, and even if the actions themselves are disallowed via PolicyKit.

Version-Release number of selected component (if applicable):
gdm-2.30.4-5.el6.i686

How reproducible:
Always

Steps to Reproduce:

1. Run the command
gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory -t bool -s /apps/gdm/simple-greeter/disable_restart_buttons true
to set the disable_restart_buttons key to true.

2. Deny permission for stop, restart, suspend or hibernate actions in the PolicyKit configuration; e.g., by installing *.pkla files into /etc/polkit-1/localauthority/90-mandatory.d such as:

[Disable stop/restart]
Identity=unix-user:*
Action=org.freedesktop.consolekit.system.stop;org.freedesktop.consolekit.system.stop-multiple-users;org.freedesktop.consolekit.system.restart;org.freedesktop.consolekit.system.restart-multiple-users
ResultActive=no
ResultAny=no

and

[Disable suspend]
Identity=unix-user:*
Action=org.freedesktop.devicekit.power.suspend;org.freedesktop.devicekit.power.hibernate
ResultActive=no
ResultAny=no

3. Restart gdm.

  
Actual results:
The menu still appears.  If the operations have been disallowed in PolicyKit as per step 2 above, the actions will not succeed, but they are still not removed from the menu.

Expected results:
No user interface elements should offer a means to shut down or restart the system.

Additional info:
Ideally, gdm should remove the operations from the menu automatically if PolicyKit indicates that they would not be permitted; and if no actions remain in the menu after doing so, the menu itself should be removed.  Alternatively, it should be possible for administrators to manually instruct simple-greeter not to provide this interface, which is the ostensible purpose of the /apps/gdm/simple-greeter/disable_restart_buttons key.
Comment 2 Owen Taylor 2010-12-01 23:35:18 UTC 
Looks like a pretty trivial patch we can pick up from upstream:

commit d8a75a806215cf95832de70da7fdb9c7592d697f
Author: Ray Strode <rstrode>
Date:   Wed Sep 15 14:54:17 2010 -0400

    Don't show shutdown options when not available
    
    The logic for showing the shut down menu was a little
    iffy before.  This is apparently causing issues on solaris,
    and probably elsewhere.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=624298

but since we're not currently planning on doing a gdm update for other issues for 6.1, this doesn't seem to motivate an update by itself - issue is just cosmetic.
Comment 4 S. Kress 2010-12-13 17:21:52 UTC 
I am also experiencing this issue.  When can we expect GA for this patch?

This functionality is mandatory to comply with DISA STIG.

Thanks.

S.
Comment 6 RHEL Program Management 2011-05-13 23:08:14 UTC 
This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux maintenance release. Product Management has 
requested further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed 
products. This request is not yet committed for inclusion in an Update release.
Comment 10 errata-xmlrpc 2011-12-06 17:57:46 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2011-1721.html
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