1.\" Copyright (c) 2001 Mark R V Murray 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/lib/libpam/modules/pam_nologin/pam_nologin.8,v 1.7 2007/06/14 13:07:06 yar Exp $ 26.\" $DragonFly: src/lib/pam_module/pam_nologin/pam_nologin.8,v 1.3 2008/02/08 10:41:43 swildner Exp $ 27.\" 28.Dd June 10, 2007 29.Dt PAM_NOLOGIN 8 30.Os 31.Sh NAME 32.Nm pam_nologin 33.Nd NoLogin PAM module 34.Sh SYNOPSIS 35.Op Ar service-name 36.Ar module-type 37.Ar control-flag 38.Pa pam_nologin 39.Op Ar options 40.Sh DESCRIPTION 41The NoLogin service module for PAM, 42.Nm 43provides functionality for only one PAM category: 44account management. 45In terms of the 46.Ar module-type 47parameter, this is the 48.Dq Li account 49feature. 50.Ss NoLogin Account Management Module 51The NoLogin account management component, 52.Fn pam_sm_acct_mgmt , 53verifies whether logins are administratively disabled via 54.Xr nologin 5 . 55It returns success if the user's login class has an "ignorenologin" 56capability specified in 57.Xr login.conf 5 58or the 59.Xr nologin 5 60file does not exist. 61If neither condition is met, 62then the contents of 63.Xr nologin 5 64are echoed 65before failure is returned. 66The location of 67.Xr nologin 5 68is specified by a "nologin" capability in 69.Xr login.conf 5 , 70which defaults to 71.Pa /var/run/nologin . 72.Pp 73The following options may be passed to the module: 74.Bl -tag -width ".Cm no_warn" 75.It Cm debug 76.Xr syslog 3 77debugging information at 78.Dv LOG_DEBUG 79level. 80.It Cm no_warn 81suppress warning messages to the user. 82These messages include 83reasons why the user's 84login attempt was declined. 85.El 86.Sh SEE ALSO 87.Xr syslog 3 , 88.Xr login.conf 5 , 89.Xr nologin 5 , 90.Xr pam.conf 5 , 91.Xr pam 8 92.Sh HISTORY 93.Nm 94originated from 95.Fx 96and first appeared in 97.Dx 1.11 . 98