touch-packages team mailing list archive

["Stephen M. Webb" <stephen.webb@xxxxxxxxxxxxx>]

> But a password field should always be shown by the unlock screen,
regardless of the authentication backend.

No.

For example, if smart card authentication is in use, the PIN entry field
should not be shown until and unless the smart card is inserted in the
reader.

If challenge-response authentication is in use, it would incorrect to
display the response field until the user ID has been entered and a
challenge presented.

There are a number of scenarios in which it is just wrong to present a
password field.  It is correct for the Unity lock screen to not always
displaying a password entry field when it has not been instructed to do
so by the underlying auth mech.  Any authentication dialog that does so,
and actually authenticates the user as a result, possibly has a critical
security vulnerability.

It would be a good idea to audit your local authentication setup if you
are seeing this bug.

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to unity in Ubuntu.
https://bugs.launchpad.net/bugs/1311316

Title:
  After locking screen there is no input field to type password for
  unlock

Status in Unity:
  Confirmed
Status in Unity 7.2 series:
  Confirmed
Status in unity package in Ubuntu:
  Fix Released

Bug description:
  Sometimes (but not always) after locking the screen there is the
  situation not having any input field where I can type the password to
  unlock the session again. The shaded gray area simply does not have
  the input field. I can't do anything, I have to switch to text console
  and stop/start lightdm service to cure the problem loosing all of my
  session :(

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: unity 7.2.0+14.04.20140416-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic i686
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: i386
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CurrentDesktop: Unity
  Date: Tue Apr 22 22:17:57 2014
  InstallationDate: Installed on 2012-03-03 (780 days ago)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  SourcePackage: unity
  UpgradeStatus: Upgraded to trusty on 2013-10-18 (186 days ago)

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