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[Bug 817581] Re: empty autologin-user should not be passed to PAM

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <817581@xxxxxxxxxxxxxxxxxx>
Date: Thu, 18 Aug 2011 00:17:23 -0000
Reply-to: Bug 817581 <817581@xxxxxxxxxxxxxxxxxx>
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** Branch linked: lp:lightdm

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https://bugs.launchpad.net/bugs/817581

Title:
  empty autologin-user should not be passed to PAM

Status in Light Display Manager:
  New
Status in “lightdm” package in Ubuntu:
  Confirmed

Bug description:
  If autologin-user in lightdm.conf is set to an empty string this should not be passed on to PAM. At least with the pam_permit module from Linux PAM which is usually employed for password-less login on Linux setting the username to an empty string will result in a successful login as the "nobody" user. This is probably never desirable.
  See the attached patch for a proposed fix.

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