This bug was fixed in the package lightdm - 1.2.3-0ubuntu1
---------------
lightdm (1.2.3-0ubuntu1) precise-proposed; urgency=low
* New upstream release:
- Correctly implement and test autologin timeouts (LP: #902852)
- Move from QString::fromLocal8Bit to QString::fromUtf8 when converting from
gchar
- Support multiple simultaneous PAM prompts (LP: #972537)
- Write utmp records for sessions
- Add missing regression test script
* debian/liblightdm-gobject-1-0.symbols:
- Updated
* debian/patches/05_utmp.patch:
- Applied upstream
-- Robert Ancell <[email protected]> Wed, 21 Nov 2012 15:43:29
+1300
** Changed in: lightdm (Ubuntu Precise)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/972537
Title:
lightdm doesn't allow expired passwords
Status in “lightdm” package in Ubuntu:
Fix Released
Status in “unity-greeter” package in Ubuntu:
Fix Released
Status in “lightdm” source package in Precise:
Triaged
Status in “unity-greeter” source package in Precise:
Fix Committed
Bug description:
[Impact]
Kerberos accounts on Ubuntu 12.04.1 can't force password changes via
unity-greeter.
[Test Case]
1. Set up a Kerberos server and client machine (see
http://bobthegnome.blogspot.co.nz/2012/11/testing-kerberos-in-ubuntu.html)
2. Log into unity-greeter on client machine
Expected result:
Unity Greeter shows appropriate prompts to change password and can log in
once password changed/
Observed result:
Some prompts skipped, password not changed and unable to log in.
[Regression Potential]
Potential of breaking other authentication. This has been tested with the
lightdm regression tests.
In Ubuntu 12.04, when logging in using the unity greeter in lightdm
(1.1.9-0ubuntu1) with a user using Kerberos with an expired password,
the login screen doesn't give the user the appropriate feedback to set
their new password. The text console works correctly. The previous
LTS used GDM, which behaved correctly.
The normal prompting for this is:
Username: cmo-test
Password: ****
Password expired. You must change it now.
Enter new password: ****
Enter it again: ****
Instead, in lightdm, it is:
Username: cmo-test
Password: ****
Enter it again: ****
The "Password expired" message is never shown, and "Enter it again" is
shown in the box instead of "Enter new password". If you use lighdm-
gtk-greeter, you get the "password expired" message printed under the
box, but still have the same prompting, never asking for the new
password.
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