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.\" Copyright (c) 2003 Networks Associates Technology, Inc. .\" Copyright (c) 2004-2011 Dag-Erling Smørgrav .\" 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. .\" .\" $FreeBSD$ .\" .Dd July 19, 2014 .Dt PAM_GROUP 8 .Os .Sh NAME .Nm pam_group .Nd Group PAM module .Sh SYNOPSIS .Op Ar service-name .Ar module-type .Ar control-flag .Pa pam_group .Op Ar arguments .Sh DESCRIPTION The group service module for PAM accepts or rejects users based on their membership in a particular file group. .Nm pam_group provides functionality for two PAM categories: authentication and account management. In terms of the module-type parameter, they are the ``auth'' and ``account'' features. .Pp The following options may be passed to the .Nm module: .Bl -tag -width ".Cm fail_safe" .It Cm deny Reverse the meaning of the test, i.e., reject the applicant if and only if he or she is a member of the specified group. This can be useful to exclude certain groups of users from certain services. .It Cm fail_safe If the specified group does not exist, or has no members, act as if it does exist and the applicant is a member. .It Cm group Ns = Ns Ar groupname Specify the name of the group to check. The default is .Dq Li wheel . .It Cm luser Accept or reject based on the target user's group membership. .It Cm root_only Skip this module entirely if the target account is not the superuser account. .It Cm ruser Accept or reject based on the supplicant's group membership. This is the default. .El .Pp Note that the .Cm luser and .Cm ruser options are mutually exclusive, and that .Nm will fail if both are specified. .Sh SEE ALSO .Xr pam.conf 5 , .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.
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