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