1.\"- 2.\" Copyright (c) 2001-2003 Networks Associates Technology, Inc. 3.\" All rights reserved. 4.\" 5.\" This software was developed for the FreeBSD Project by ThinkSec AS and 6.\" Network Associates Laboratories, the Security Research Division of 7.\" Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 8.\" ("CBOSS"), as part of the DARPA CHATS research program. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. The name of the author may not be used to endorse or promote 19.\" products derived from this software without specific prior written 20.\" permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" $P4$ 35.\" 36.Dd June 16, 2005 37.Dt PAM_GETENV 3 38.Os 39.Sh NAME 40.Nm pam_getenv 41.Nd retrieve the value of a PAM environment variable 42.Sh LIBRARY 43.Lb libpam 44.Sh SYNOPSIS 45.In sys/types.h 46.In security/pam_appl.h 47.Ft "const char *" 48.Fn pam_getenv "pam_handle_t *pamh" "const char *name" 49.Sh DESCRIPTION 50The 51.Nm 52function returns the value of an environment variable. 53Its semantics are similar to those of 54.Xr getenv 3 , 55but it accesses the PAM 56context's environment list instead of the application's. 57.Pp 58.Sh RETURN VALUES 59The 60.Nm 61function returns 62.Dv NULL 63on failure. 64.Sh SEE ALSO 65.Xr getenv 3 , 66.Xr pam 3 , 67.Xr pam_getenvlist 3 , 68.Xr pam_putenv 3 , 69.Xr pam_setenv 3 70.Sh STANDARDS 71.Rs 72.%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules" 73.%D "June 1997" 74.Re 75.Sh AUTHORS 76The 77.Nm 78function and this manual page were developed for the 79.Fx 80Project by ThinkSec AS and Network Associates Laboratories, the 81Security Research Division of Network Associates, Inc.& under 82DARPA/SPAWAR contract N66001-01-C-8035 83.Pq Dq CBOSS , 84as part of the DARPA CHATS research program. 85