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113 lines
3 KiB
Groff
113 lines
3 KiB
Groff
.\" 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_WHEEL 8
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.Os
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.Sh NAME
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.Nm pam_wheel
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.Nd Wheel 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_wheel
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.Op Ar options
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.Sh DESCRIPTION
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The Wheel 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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In terms of the
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.Ar module-type
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parameter, this is the
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.Dq Li auth
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feature.
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It also provides a null function for session management.
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.Ss Wheel Authentication Module
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The Wheel authentication component
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.Pq Fn pam_sm_authenticate ,
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permit authentication to members of a group,
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which defaults to
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.Dq Li wheel .
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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 -width ".Cm auth_as_self"
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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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.It Cm no_warn
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suppress warning messages to the user.
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These messages include
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reasons why the user's
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authentication attempt was declined.
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.It Cm auth_as_self
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check for
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.Dq Li wheel
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membership against
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the current login name
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(given by
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.Xr getlogin 2 ) .
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.It Cm trust
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return
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.Dv PAM_SUCCESS
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instead of
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.Dv PAM_IGNORE
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if the user is a member of the group (default is
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.Dq Li wheel ) .
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.It Cm deny
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invert the operation
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if the user is a member of the
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(default
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.Dq Li wheel )
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group.
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Returns failure instead of success.
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Mainly of use with the
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.Cm group Ns = Ns Ar foo
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option.
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.It Cm group Ns = Ns Ar foo
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checking for membership of group
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.Ar foo
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instead of the default group
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.Dq Li wheel .
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.It Cm noroot_ok
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return
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.Dv PAM_SUCCESS
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instead of
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.Dv PAM_IGNORE
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if the user is authenticating
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to a user
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that is not the superuser.
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.El
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.Sh SEE ALSO
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.Xr getlogin 2 ,
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.Xr syslog 3 ,
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.Xr group 5 ,
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.Xr pam.conf 5 ,
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.Xr pam 8
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