2001-07-09 18:20:51 +00:00
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.\" Copyright (c) 2001 Mark R V Murray
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 8, 2001
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.Dt PAM_NOLOGIN 8
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.Os
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.Sh NAME
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.Nm pam_nologin
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.Nd NoLogin PAM module
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.Sh SYNOPSIS
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.Op Ar service-name
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.Ar module-type
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.Ar control-flag
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.Pa pam_nologin
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.Op Ar options
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.Sh DESCRIPTION
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The NoLogin authentication service module for PAM,
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.Nm
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provides functionality for only one PAM category:
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authentication.
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2001-07-11 08:36:26 +00:00
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In terms of the
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2001-07-09 18:20:51 +00:00
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.Ar module-type
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parameter, this is the
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2001-07-11 08:36:26 +00:00
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.Dq Li auth
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2001-07-09 18:20:51 +00:00
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feature.
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It also provides a null function for session management.
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.Ss NoLogin Authentication Module
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The NoLogin authentication component
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.Pq Fn pam_sm_authenticate ,
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always returns success for the superuser,
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and returns success for all other users
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if the file
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.Pa /var/run/nologin
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does not exist.
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If
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.Pa /var/run/nologin
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does exist,
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then its contents are echoed
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to non-superusers
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before failure is returned.
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.Pp
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The following options may be passed to the authentication module:
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.Bl -tag -xwidth ".Cm debug"
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2001-07-09 18:20:51 +00:00
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.It Cm debug
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.Xr syslog 3
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debugging information at
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.Dv LOG_DEBUG
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level.
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.El
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.Sh SEE ALSO
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.Xr syslog 3 ,
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.Xr nologin 5 ,
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.Xr pam.conf 5 ,
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.Xr pam 8
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