.\" Title: pam_localuser .\" Author: .\" Generator: DocBook XSL Stylesheets v1.73.1 .\" Date: 04/16/2008 .\" Manual: Linux-PAM Manual .\" Source: Linux-PAM Manual .\" .TH "PAM_LOCALUSER" "8" "04/16/2008" "Linux-PAM Manual" "Linux\-PAM Manual" .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .SH "NAME" pam_localuser - require users to be listed in /etc/passwd .SH "SYNOPSIS" .HP 17 \fBpam_localuser\.so\fR [debug] [file=\fI/path/passwd\fR] .SH "DESCRIPTION" .PP 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\. .PP 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\. .SH "OPTIONS" .PP .PP \fBdebug\fR .RS 4 Print debug information\. .RE .PP \fBfile=\fR\fB\fI/path/passwd\fR\fR .RS 4 Use a file other than \fI/etc/passwd\fR\. .RE .SH "MODULE SERVICES PROVIDED" .PP All services (\fBaccount\fR, \fBauth\fR, \fBpassword\fR and \fBsession\fR) are supported\. .SH "RETURN VALUES" .PP .PP PAM_SUCCESS .RS 4 The new localuser was set successfull\. .RE .PP PAM_SERVICE_ERR .RS 4 No username was given\. .RE .PP PAM_USER_UNKNOWN .RS 4 User not known\. .RE .SH "EXAMPLES" .PP Add the following line to \fI/etc/pam\.d/su\fR to allow only local users in group wheel to use su\. .sp .RS 4 .nf account sufficient pam_localuser\.so account required pam_wheel\.so .fi .RE .sp .SH "FILES" .PP \fI/etc/passwd\fR .RS 4 Local user account information\. .RE .SH "SEE ALSO" .PP \fBpam.conf\fR(5), \fBpam.d\fR(8), \fBpam\fR(8) .SH "AUTHOR" .PP pam_localuser was written by Nalin Dahyabhai \.