Public bug reported:
Prior working 8.04 system, upgrade to 8.10 breaks PAM authentication at
logins, sudo, and gdm/gnome-screensaver with thinkfinger.
After forced pam-auth-update some improvements but pam upgrade broke
with thinkfinger working system.
On command line sudo will result in following
sudo ls
Password or swipe finger: [keyboard entered valid unix password]
[sudo] password for yositune: [keyboard entered valid unix password]
success or failure seems random...
gnome-screensaver fails on all but correct fingerprint scans.
logins will generally succeed or fail with both passwords entered. (I don't
run any GDM or other login manager).
---
cat /etc/pam.d/common-auth
#
# /etc/pam.d/common-auth - authentication settings common to all services
#
# This file is included from other service-specific PAM config files,
# and should contain a list of the authentication modules that define
# the central authentication scheme for use on the system
# (e.g., /etc/shadow, LDAP, Kerberos, etc.). The default is to use the
# traditional Unix authentication mechanisms.
#
# As of pam 1.0.1-5, this file is managed by pam-auth-update by default.
# To take advantage of this, it is recommended that you configure any
# local modules either before or after the default block, and use
# pam-auth-update to manage selection of other modules. See
# pam-auth-update(8) for details.
auth sufficient pam_thinkfinger.so
# here are the per-package modules (the "Primary" block)
auth [success=1 default=ignore] pam_unix.so nullok_secure
# here's the fallback if no module succeeds
auth requisite pam_deny.so
# prime the stack with a positive return value if there isn't one already;
# this avoids us returning an error just because nothing sets a success code
# since the modules above will each just jump around
auth required pam_permit.so nullok_secure
# and here are more per-package modules (the "Additional" block)
# end of pam-auth-update config
----
cat /etc/pam.d/common-password
#
# /etc/pam.d/common-password - password-related modules common to all services
#
# This file is included from other service-specific PAM config files,
# and should contain a list of modules that define the services to be
# used to change user passwords. The default is pam_unix.
# Explanation of pam_unix options:
#
# The "sha512" option enables salted SHA512 passwords. Without this option,
# the default is Unix crypt. Prior releases used the option "md5".
#
# The "obscure" option replaces the old `OBSCURE_CHECKS_ENAB' option in
# login.defs.
#
# See the pam_unix manpage for other options.
# As of pam 1.0.1-5, this file is managed by pam-auth-update by default.
# To take advantage of this, it is recommended that you configure any
# local modules either before or after the default block, and use
# pam-auth-update to manage selection of other modules. See
# pam-auth-update(8) for details.
# here are the per-package modules (the "Primary" block)
password [success=1 default=ignore] pam_unix.so obscure sha512
# here's the fallback if no module succeeds
password requisite pam_deny.so
# prime the stack with a positive return value if there isn't one already;
# this avoids us returning an error just because nothing sets a success code
# since the modules above will each just jump around
password required pam_permit.so
# and here are more per-package modules (the "Additional" block)
# end of pam-auth-update config
** Affects: ubuntu
Importance: Undecided
Status: New
--
Pam Authenticaion on X41 Thinkpad with Thinkfinger Broken under 8.10 Intrepid
https://bugs.launchpad.net/bugs/301098
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