1.\" Copyright (c) 1999 2.\" Andrzej Bialecki <abial@FreeBSD.org>. All rights reserved. 3.\" 4.\" Copyright (c) 1992, 1993, 1994 5.\" The Regents of the University of California. All rights reserved. 6.\" All rights reserved. 7.\" 8.\" This code is derived from software donated to Berkeley by 9.\" Jan-Simon Pendry. 10.\" 11.\" Redistribution and use in source and binary forms, with or without 12.\" modification, are permitted provided that the following conditions 13.\" are met: 14.\" 1. Redistributions of source code must retain the above copyright 15.\" notice, this list of conditions and the following disclaimer. 16.\" 2. Redistributions in binary form must reproduce the above copyright 17.\" notice, this list of conditions and the following disclaimer in the 18.\" documentation and/or other materials provided with the distribution. 19.\" 3. Neither the name of the University nor the names of its contributors 20.\" may be used to endorse or promote products derived from this software 21.\" without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" $FreeBSD$ 36.\" 37.Dd May 17, 2023 38.Dt PAM_TACPLUS 8 39.Os 40.Sh NAME 41.Nm pam_tacplus 42.Nd TACACS+ authentication PAM module 43.Sh SYNOPSIS 44.Op Ar service-name 45.Ar module-type 46.Ar control-flag 47.Pa pam_tacplus 48.Op Ar options 49.Sh DESCRIPTION 50The 51.Nm 52module provides authentication services based 53upon the TACACS+ protocol 54for the PAM (Pluggable Authentication Module) framework. 55.Pp 56The 57.Nm 58module accepts these optional parameters: 59.Bl -tag -width ".Cm use_first_pass" 60.It Cm use_first_pass 61causes 62.Nm 63to use a previously entered password instead of prompting for a new one. 64If no password has been entered then authentication fails. 65.It Cm try_first_pass 66causes 67.Nm 68to use a previously entered password, if one is available. 69If no 70password has been entered, 71.Nm 72prompts for one as usual. 73.It Cm echo_pass 74causes echoing to be left on if 75.Nm 76prompts for a password. 77.It Cm conf Ns = Ns Ar pathname 78specifies a non-standard location for the TACACS+ client configuration file 79(normally located in 80.Pa /etc/tacplus.conf ) . 81.It Cm template_user Ns = Ns Ar username 82specifies a user whose 83.Xr passwd 5 84entry will be used as a template to create the session environment 85if the supplied username does not exist in local password database. 86The user 87will be authenticated with the supplied username and password, but his 88credentials to the system will be presented as the ones for 89.Ar username , 90i.e., his login class, home directory, resource limits, etc.\& will be set to ones 91defined for 92.Ar username . 93.Pp 94If this option is omitted, and there is no username 95in the system databases equal to the supplied one (as determined by call to 96.Xr getpwnam 3 ) , 97the authentication will fail. 98.El 99.Sh FILES 100.Bl -tag -width /etc/tacplus.conf -compact 101.It Pa /etc/tacplus.conf 102The standard TACACS+ client configuration file for 103.Nm 104.El 105.Sh SEE ALSO 106.Xr pam 3 , 107.Xr passwd 5 , 108.Xr tacplus.conf 5 , 109.Xr nss_tacplus 8 110.Sh HISTORY 111The 112.Nm 113module first appeared in 114.Fx 3.1 . 115.Sh AUTHORS 116.An -nosplit 117The 118.Nm 119manual page was written by 120.An Andrzej Bialecki Aq Mt abial@FreeBSD.org 121and adapted to TACACS+ from RADIUS by 122.An Mark R V Murray Aq Mt markm@FreeBSD.org . 123.Pp 124The 125.Nm 126module was written by 127.An John D. Polstra Aq Mt jdp@FreeBSD.org . 128