1.\" Copyright (c) 2003 Networks Associates Technology, Inc. 2.\" All rights reserved. 3.\" 4.\" Portions of this software were developed for the FreeBSD Project by 5.\" ThinkSec AS and NAI Labs, the Security Research Division of Network 6.\" Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 7.\" ("CBOSS"), as part of the DARPA CHATS research program. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. The name of the author may not be used to endorse or promote 18.\" products derived from this software without specific prior written 19.\" permission. 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31.\" SUCH DAMAGE. 32.\" 33.\" $FreeBSD$ 34.\" 35.Dd May 26, 2003 36.Dt PAM_GUEST 8 37.Os 38.Sh NAME 39.Nm pam_guest 40.Nd Guest PAM module 41.Sh SYNOPSIS 42.Op Ar service-name 43.Ar module-type 44.Ar control-flag 45.Pa pam_guest 46.Op Ar arguments 47.Sh DESCRIPTION 48The guest service module for PAM allows guest logins. 49If successful, the 50.Nm 51module sets the PAM environment variable 52.Ev GUEST 53to the login name. 54The application can check this variable using 55.Xr pam_getenv 3 56to differentiate guest logins from normal logins. 57.Pp 58The following options may be passed to the 59.Nm 60module: 61.Bl -tag -width ".Cm pass_as_ruser" 62.It Cm guests Ns = Ns Ar list 63Comma-separated list of guest account names. 64The default is 65.Dq Li guest . 66A typical value for 67.Xr ftpd 8 68would be 69.Dq Li anonymous,ftp . 70.It Cm nopass 71Omits the password prompt if the target account is on the list of 72guest accounts. 73.It Cm pass_as_ruser 74The password typed in by the user is exported as the 75.Dv PAM_RUSER 76item. 77This is useful for applications like 78.Xr ftpd 8 79where guest users are encouraged to use their email address as 80password. 81.It Cm pass_is_user 82Requires the guest user to type in the guest account name as password. 83.El 84.Sh SEE ALSO 85.Xr pam_get_item 3 , 86.Xr pam_getenv 3 , 87.Xr pam.conf 5 , 88.Xr pam 8 89.Sh AUTHORS 90The 91.Nm 92module and this manual page were developed for the 93.Fx 94Project by 95ThinkSec AS and NAI Labs, the Security Research Division of Network 96Associates, Inc.\& under DARPA/SPAWAR contract N66001-01-C-8035 97.Pq Dq CBOSS , 98as part of the DARPA CHATS research program. 99