1.\" Copyright (c) 2001,2003 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 February 6, 2003 36.Dt PAM_ECHO 8 37.Os 38.Sh NAME 39.Nm pam_echo 40.Nd Echo PAM module 41.Sh SYNOPSIS 42.Op Ar service-name 43.Ar module-type 44.Ar control-flag 45.Pa pam_echo 46.Op Ar arguments 47.Sh DESCRIPTION 48The echo service module for PAM displays its arguments to the user, 49separated by spaces, using the current conversation function. 50.Pp 51If the 52.Cm % 53character occurs anywhere in the arguments to 54.Nm , 55it is assumed to introduce one of the following escape sequences: 56.Bl -tag -width 4n 57.It Cm %H 58The name of the host on which the client runs 59.Pq Dv PAM_RHOST . 60.\".It Cm %h 61.\"The name of the host on which the server runs. 62.It Cm %s 63The current service name 64.Pq Dv PAM_SERVICE . 65.It Cm %t 66The name of the controlling tty 67.Pq Dv PAM_TTY . 68.It Cm \&%U 69The applicant's user name 70.Pq Dv PAM_RUSER . 71.It Cm %u 72The target account's user name 73.Pq Dv PAM_USER . 74.El 75.Pp 76Any other two-character sequence beginning with 77.Cm % 78expands to the character following the 79.Cm % 80character. 81.Sh SEE ALSO 82.Xr pam.conf 5 , 83.Xr pam 8 84.Sh AUTHORS 85The 86.Nm 87module and this manual page were developed for the 88.Fx 89Project by 90ThinkSec AS and NAI Labs, the Security Research Division of Network 91Associates, Inc.\& under DARPA/SPAWAR contract N66001-01-C-8035 92.Pq Dq CBOSS , 93as part of the DARPA CHATS research program. 94