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: head/lib/libpam/modules/pam_nologin/pam_nologin.8 233648 2012-03-29 05:02:12Z eadler $ 26.\" 27.Dd June 10, 2007 28.Dt PAM_NOLOGIN 8 29.Os 30.Sh NAME 31.Nm pam_nologin 32.Nd NoLogin PAM module 33.Sh SYNOPSIS 34.Op Ar service-name 35.Ar module-type 36.Ar control-flag 37.Pa pam_nologin 38.Op Ar options 39.Sh DESCRIPTION 40The NoLogin service module for PAM, 41.Nm 42provides functionality for only one PAM category: 43account management. 44In terms of the 45.Ar module-type 46parameter, this is the 47.Dq Li account 48feature. 49.Ss NoLogin Account Management Module 50The NoLogin account management component, 51.Fn pam_sm_acct_mgmt , 52verifies whether logins are administratively disabled via 53.Xr nologin 5 . 54It returns success if the user's login class has an "ignorenologin" 55capability specified in 56.Xr login.conf 5 57or the 58.Xr nologin 5 59file does not exist. 60If neither condition is met, 61then the contents of 62.Xr nologin 5 63are echoed 64before failure is returned. 65The location of 66.Xr nologin 5 67is specified by a "nologin" capability in 68.Xr login.conf 5 , 69which defaults to 70.Pa /var/run/nologin . 71.Pp 72The following options may be passed to the module: 73.Bl -tag -width ".Cm no_warn" 74.It Cm debug 75.Xr syslog 3 76debugging information at 77.Dv LOG_DEBUG 78level. 79.It Cm no_warn 80suppress warning messages to the user. 81These messages include 82reasons why the user's 83login attempt was declined. 84.El 85.Sh SEE ALSO 86.Xr pam 3 , 87.Xr syslog 3 , 88.Xr login.conf 5 , 89.Xr nologin 5 , 90.Xr pam.conf 5 91.Sh HISTORY 92.Nm 93originated from 94.Fx 95and first appeared in 96.Dx 1.11 . 97