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.Dd May 26, 2003 34.Dt PAM_GUEST 8 35.Os 36.Sh NAME 37.Nm pam_guest 38.Nd Guest PAM module 39.Sh SYNOPSIS 40.Op Ar service-name 41.Ar module-type 42.Ar control-flag 43.Pa pam_guest 44.Op Ar arguments 45.Sh DESCRIPTION 46The guest service module for PAM allows guest logins. 47If successful, the 48.Nm 49module sets the PAM environment variable 50.Ev GUEST 51to the login name. 52The application can check this variable using 53.Xr pam_getenv 3 54to differentiate guest logins from normal logins. 55.Pp 56The following options may be passed to the 57.Nm 58module: 59.Bl -tag -width ".Cm pass_as_ruser" 60.It Cm guests Ns = Ns Ar list 61Comma-separated list of guest account names. 62The default is 63.Dq Li guest . 64A typical value for 65.Xr ftpd 8 66would be 67.Dq Li anonymous,ftp . 68.It Cm nopass 69Omits the password prompt if the target account is on the list of 70guest accounts. 71.It Cm pass_as_ruser 72The password typed in by the user is exported as the 73.Dv PAM_RUSER 74item. 75This is useful for applications like 76.Xr ftpd 8 77where guest users are encouraged to use their email address as 78password. 79.It Cm pass_is_user 80Requires the guest user to type in the guest account name as password. 81.El 82.Sh SEE ALSO 83.Xr pam_get_item 3 , 84.Xr pam_getenv 3 , 85.Xr pam.conf 5 , 86.Xr pam 3 87.Sh AUTHORS 88The 89.Nm 90module and this manual page were developed for the 91.Fx 92Project by 93ThinkSec AS and NAI Labs, the Security Research Division of Network 94Associates, Inc.\& under DARPA/SPAWAR contract N66001-01-C-8035 95.Pq Dq CBOSS , 96as part of the DARPA CHATS research program. 97