NAME
pam_localuser - require users to be listed in /etc/passwd
SYNOPSIS
pam_localuser.so [debug] [file=/path/passwd]
DESCRIPTION
pam_localuser is a PAM module to help implementing site-wide login policies, where they typically include a subset of the network's users and a few accounts that are local to a particular workstation. Using pam_localuser and pam_wheel or pam_listfile is an effective way to restrict access to either local users and/or a subset of the network's users.
This could also be implemented using pam_listfile.so and a very short awk script invoked by cron, but it's common enough to have been separated out.
OPTIONS
debug
file=/path/passwd
MODULE TYPES PROVIDED
All module types (account, auth, password and session) are provided.
RETURN VALUES
PAM_SUCCESS
PAM_BUF_ERR
PAM_CONV_ERR
PAM_INCOMPLETE
PAM_SERVICE_ERR
PAM_PERM_DENIED
EXAMPLES
Add the following lines to /etc/pam.d/su to allow only local users or group wheel to use su.
account sufficient pam_localuser.so
account required pam_wheel.so
\nFILES
/etc/passwd
SEE ALSO
pam.conf(5), pam.d(5), pam(7)
AUTHOR
pam_localuser was written by Nalin Dahyabhai <[email protected]>.