1.\" $NetBSD: openpam_ttyconv.3,v 1.3 2013/04/06 02:20:26 christos Exp $ 2.\" 3.\"- 4.\" Copyright (c) 2001-2003 Networks Associates Technology, Inc. 5.\" Copyright (c) 2004-2011 Dag-Erling Smørgrav 6.\" All rights reserved. 7.\" 8.\" This software was developed for the FreeBSD Project by ThinkSec AS and 9.\" Network Associates Laboratories, the Security Research Division of 10.\" Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 11.\" ("CBOSS"), as part of the DARPA CHATS research program. 12.\" 13.\" Redistribution and use in source and binary forms, with or without 14.\" modification, are permitted provided that the following conditions 15.\" are met: 16.\" 1. Redistributions of source code must retain the above copyright 17.\" notice, this list of conditions and the following disclaimer. 18.\" 2. Redistributions in binary form must reproduce the above copyright 19.\" notice, this list of conditions and the following disclaimer in the 20.\" documentation and/or other materials provided with the distribution. 21.\" 3. The name of the author may not be used to endorse or promote 22.\" products derived from this software without specific prior written 23.\" permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 26.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 29.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35.\" SUCH DAMAGE. 36.\" 37.\" Id 38.\" 39.Dd May 26, 2012 40.Dt OPENPAM_TTYCONV 3 41.Os 42.Sh NAME 43.Nm openpam_ttyconv 44.Nd simple tty-based conversation function 45.Sh LIBRARY 46.Lb libpam 47.Sh SYNOPSIS 48.In sys/types.h 49.In security/pam_appl.h 50.In security/openpam.h 51.Ft "int" 52.Fn openpam_ttyconv "int n" "const struct pam_message **msg" "struct pam_response **resp" "void *data" 53.Sh DESCRIPTION 54The 55.Fn openpam_ttyconv 56function is a standard conversation function 57suitable for use on TTY devices. 58It should be adequate for the needs of most text-based interactive 59programs. 60.Pp 61The 62.Fn openpam_ttyconv 63function allows the application to specify a 64timeout for user input by setting the global integer variable 65.Va openpam_ttyconv_timeout 66to the length of the timeout in seconds. 67.Pp 68.Sh RETURN VALUES 69The 70.Fn openpam_ttyconv 71function returns one of the following values: 72.Bl -tag -width 18n 73.It Bq Er PAM_BUF_ERR 74Memory buffer error. 75.It Bq Er PAM_CONV_ERR 76Conversation failure. 77.It Bq Er PAM_SYSTEM_ERR 78System error. 79.El 80.Sh SEE ALSO 81.Xr getpass 3 , 82.Xr openpam_nullconv 3 , 83.Xr pam 3 , 84.Xr pam_prompt 3 , 85.Xr pam_strerror 3 , 86.Xr pam_vprompt 3 87.Sh STANDARDS 88The 89.Fn openpam_ttyconv 90function is an OpenPAM extension. 91.Sh AUTHORS 92The 93.Fn openpam_ttyconv 94function and this manual page were 95developed for the 96.Fx 97Project by ThinkSec AS and Network Associates Laboratories, the 98Security Research Division of Network Associates, Inc.\& under 99DARPA/SPAWAR contract N66001-01-C-8035 100.Pq Dq CBOSS , 101as part of the DARPA CHATS research program. 102