1.\"- 2.\" Copyright (c) 2001-2003 Networks Associates Technology, Inc. 3.\" Copyright (c) 2004-2011 Dag-Erling Smørgrav 4.\" All rights reserved. 5.\" 6.\" This software was developed for the FreeBSD Project by ThinkSec AS and 7.\" Network Associates Laboratories, the Security Research Division of 8.\" Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 9.\" ("CBOSS"), as part of the DARPA CHATS research program. 10.\" 11.\" Redistribution and use in source and binary forms, with or without 12.\" modification, are permitted provided that the following conditions 13.\" are met: 14.\" 1. Redistributions of source code must retain the above copyright 15.\" notice, this list of conditions and the following disclaimer. 16.\" 2. Redistributions in binary form must reproduce the above copyright 17.\" notice, this list of conditions and the following disclaimer in the 18.\" documentation and/or other materials provided with the distribution. 19.\" 3. The name of the author may not be used to endorse or promote 20.\" products derived from this software without specific prior written 21.\" permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" $Id$ 36.\" 37.Dd May 26, 2012 38.Dt OPENPAM_GET_FEATURE 3 39.Os 40.Sh NAME 41.Nm openpam_get_feature 42.Nd query the state of an optional feature 43.Sh LIBRARY 44.Lb libpam 45.Sh SYNOPSIS 46.In sys/types.h 47.In security/pam_appl.h 48.In security/openpam.h 49.Ft "int" 50.Fn openpam_get_feature "int feature" "int *onoff" 51.Sh DESCRIPTION 52.Bf Sy 53This function is experimental and may be modified or removed in a future release without further warning. 54.Ef 55.Pp 56The 57.Fn openpam_get_feature 58function stores the current state of the 59specified feature in the variable pointed to by its 60.Fa onoff 61argument. 62.Pp 63The following features are recognized: 64.Bl -tag -width 18n 65.It Dv OPENPAM_RESTRICT_SERVICE_NAME 66Disallow path separators in service names. 67This feature is enabled by default. 68Disabling it allows the application to specify the path to 69the desired policy file directly. 70.It Dv OPENPAM_VERIFY_POLICY_FILE 71Verify the ownership and permissions of the policy file 72and the path leading up to it. 73This feature is enabled by default. 74.It Dv OPENPAM_RESTRICT_MODULE_NAME 75Disallow path separators in module names. 76This feature is disabled by default. 77Enabling it prevents the use of modules in non-standard 78locations. 79.It Dv OPENPAM_VERIFY_MODULE_FILE 80Verify the ownership and permissions of each loadable 81module and the path leading up to it. 82This feature is enabled by default. 83.El 84.Sh RETURN VALUES 85The 86.Fn openpam_get_feature 87function returns one of the following values: 88.Bl -tag -width 18n 89.It Bq Er PAM_SYMBOL_ERR 90Invalid symbol. 91.El 92.Sh SEE ALSO 93.Xr openpam_set_feature 3 , 94.Xr pam 3 , 95.Xr pam_strerror 3 96.Sh STANDARDS 97The 98.Fn openpam_get_feature 99function is an OpenPAM extension. 100.Sh AUTHORS 101The 102.Fn openpam_get_feature 103function and this manual page were 104developed by 105.An Dag-Erling Sm\(/orgrav Aq des@des.no . 106