.\" $NetBSD: pam_lastlog.8,v 1.7 2005/03/03 02:11:49 christos Exp $
.\" Copyright (c) 2001 Mark R V Murray
.\" All rights reserved.
.\" Copyright (c) 2001 Networks Associates Technology, Inc.
.\" All rights reserved.
.\"
.\" Portions of this software were developed for the FreeBSD Project by
.\" ThinkSec AS and NAI Labs, the Security Research Division of Network
.\" Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
.\" ("CBOSS"), as part of the DARPA CHATS research program.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\"    products derived from this software without specific prior written
.\"    permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD: src/lib/libpam/modules/pam_lastlog/pam_lastlog.8,v 1.7 2005/01/21 10:38:42 ru Exp $
.\"
.Dd March 2, 2005
.Dt PAM_LASTLOG 8
.Os
.Sh NAME
.Nm pam_lastlog
.Nd login accounting PAM module
.Sh SYNOPSIS
.Op Ar service-name
.Ar module-type
.Ar control-flag
.Pa pam_lastlog
.Op Ar options
.Sh DESCRIPTION
The login accounting service module for PAM
provides functionality for only one PAM category:
session management.
In terms of the
.Ar module-type
parameter, this is the
.Dq Li session
feature.
.Ss Login Accounting Session Management Module
The login accounting session management component provides functions
to initiate
.Pq Fn pam_sm_open_session
and terminate
.Pq Fn pam_sm_close_session
sessions.
The
.Fn pam_sm_open_session
function records the session in the
.Xr utmp 5 ,
.Xr utmpx 5 ,
.Xr wtmp 5 ,
.Xr wtmpx 5 ,
.Xr lastlog 5 ,
and
.Xr lastlogx 5
databases.
The
.Fn pam_sm_close_session
function does nothing.
.Pp
The following options may be passed to the authentication module:
.Bl -tag -width ".Cm no_nested"
.It Cm debug
.Xr syslog 3
debugging information at
.Dv LOG_DEBUG
level.
.It Cm no_nested
Don't update records or print messages if the user is
.Dq nested ,
i.e. logged in on the same tty on top of another user.
.It Cm no_warn
suppress warning messages to the user.
.It Cm no_fail
Ignore I/O failures.
.El
.Sh SEE ALSO
.Xr last 1 ,
.Xr w 1 ,
.Xr login 3 ,
.Xr loginx 3 ,
.Xr logout 3 ,
.Xr logoutx 3 ,
.Xr pam.conf 5 ,
.Xr utmp 5 ,
.Xr utmpx 5 ,
.Xr lastlogin 8 ,
.Xr pam 8
.Sh AUTHORS
The
.Nm
module and this manual page were developed for the
.Fx
Project by
ThinkSec AS and NAI Labs, the Security Research Division of Network
Associates, Inc.\& under DARPA/SPAWAR contract N66001-01-C-8035
.Pq Dq CBOSS ,
as part of the DARPA CHATS research program.