1.\"- 2.\" Copyright (c) 2001-2003 Networks Associates Technology, Inc. 3.\" Copyright (c) 2004-2007 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.\" $P4$ 36.\" 37.Dd December 21, 2007 38.Dt PAM_CLOSE_SESSION 3 39.Os 40.Sh NAME 41.Nm pam_close_session 42.Nd close an existing user session 43.Sh LIBRARY 44.Lb libpam 45.Sh SYNOPSIS 46.In sys/types.h 47.In security/pam_appl.h 48.Ft "int" 49.Fn pam_close_session "pam_handle_t *pamh" "int flags" 50.Sh DESCRIPTION 51The 52.Nm 53function tears down the user session previously 54set up by 55.Xr pam_open_session 3 . 56.Pp 57The 58.Fa flags 59argument is the binary or of zero or more of the following 60values: 61.Bl -tag -width 18n 62.It Dv PAM_SILENT 63Do not emit any messages. 64.El 65.Pp 66If any other bits are set, 67.Nm 68will return 69.Dv PAM_SYMBOL_ERR . 70.Sh RETURN VALUES 71The 72.Nm 73function returns one of the following values: 74.Bl -tag -width 18n 75.It Bq Er PAM_ABORT 76General failure. 77.It Bq Er PAM_BUF_ERR 78Memory buffer error. 79.It Bq Er PAM_CONV_ERR 80Conversation failure. 81.It Bq Er PAM_PERM_DENIED 82Permission denied. 83.It Bq Er PAM_SERVICE_ERR 84Error in service module. 85.It Bq Er PAM_SESSION_ERR 86Session failure. 87.It Bq Er PAM_SYMBOL_ERR 88Invalid symbol. 89.It Bq Er PAM_SYSTEM_ERR 90System error. 91.El 92.Sh SEE ALSO 93.Xr pam 3 , 94.Xr pam_open_session 3 , 95.Xr pam_strerror 3 96.Sh STANDARDS 97.Rs 98.%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules" 99.%D "June 1997" 100.Re 101.Sh AUTHORS 102The 103.Nm 104function and this manual page were developed for the 105.Fx 106Project by ThinkSec AS and Network Associates Laboratories, the 107Security Research Division of Network Associates, Inc.\& under 108DARPA/SPAWAR contract N66001-01-C-8035 109.Pq Dq CBOSS , 110as part of the DARPA CHATS research program. 111