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[dino99 <1067779@xxxxxxxxxxxxxxxxxx>]

at (3.1.15-1) unstable; urgency=medium

  * New upstream release:
    + pam.conf: require pam_loginuid.so (Closes: #677442)
  * Bumped Standards-Version to 3.9.5 (no changes).

 -- Ansgar Burchardt <ansgar@xxxxxxxxxx>  Sun, 10 Aug 2014 14:03:16
+0200

** Changed in: at (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1067779

Title:
  missing pam_loginuid.so breaks getlogin()

Status in at package in Ubuntu:
  Fix Released
Status in cron package in Ubuntu:
  Fix Released
Status in openssh package in Ubuntu:
  Fix Released
Status in shadow package in Ubuntu:
  Fix Released
Status in at package in Debian:
  Fix Released
Status in cron package in Debian:
  Fix Released
Status in openssh package in Debian:
  Fix Released
Status in shadow package in Debian:
  Fix Released

Bug description:
  getlogin() call in new glibc checks /proc/self/loginuid presence and
  trust its value as most safe source (due it's audit-related nature).
  But default /etc/pam.d/common-account doesn't contains entry to
  pam_loginuid.so which modify /proc/self/loginuid properly. This breaks
  getlogin() at many scenarios like this:

  (pam session without pam_loginuid)$  perl -e '$t=getlogin; print "$t\n";'
  root
  (pam session without pam_loginuid)$  id
  uid=1000(...

  just because /proc/self/loginuid contains '0' value

  If I add pam_loginuid.so to /etc/pam.d/common-account like
  http://manpages.ubuntu.com/manpages/precise/man8/pam_loginuid.8.html
  recommend, everything worked as expected:

  (pam session with pam_loginuid)$  perl -e '$t=getlogin; print "$t\n";'
  user
  (pam session with pam_loginuid)$  id
  uid=1000(...

  # cat /etc/lsb-release 
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=12.04
  DISTRIB_CODENAME=precise
  DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"

  # dpkg -l|fgrep libpam
  ii  libpam-ck-connector                  0.4.5-2                          ConsoleKit PAM module
  ii  libpam-modules                       1.1.3-7ubuntu2                   Pluggable Authentication Modules for PAM
  ii  libpam-modules-bin                   1.1.3-7ubuntu2                   Pluggable Authentication Modules for PAM - helper binaries
  ii  libpam-runtime                       1.1.3-7ubuntu2                   Runtime support for the PAM library
  ii  libpam0g                             1.1.3-7ubuntu2                   Pluggable Authentication Modules library

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