xref: /freebsd/contrib/openpam/lib/libpam/pam_open_session.c (revision 43a5ec4eb41567cc92586503212743d89686d78f)
1 /*-
2  * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3  * Copyright (c) 2004-2017 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  * $OpenPAM: pam_open_session.c 938 2017-04-30 21:34:42Z des $
36  */
37 
38 #ifdef HAVE_CONFIG_H
39 # include "config.h"
40 #endif
41 
42 #include <sys/param.h>
43 
44 #include <security/pam_appl.h>
45 
46 #include "openpam_impl.h"
47 
48 /*
49  * XSSO 4.2.1
50  * XSSO 6 page 54
51  *
52  * Open a user session
53  */
54 
55 int
56 pam_open_session(pam_handle_t *pamh,
57 	int flags)
58 {
59 	int r;
60 
61 	ENTER();
62 	if (flags & ~(PAM_SILENT))
63 		RETURNC(PAM_BAD_CONSTANT);
64 	r = openpam_dispatch(pamh, PAM_SM_OPEN_SESSION, flags);
65 	RETURNC(r);
66 }
67 
68 /*
69  * Error codes:
70  *
71  *	=openpam_dispatch
72  *	=pam_sm_open_session
73  *	!PAM_IGNORE
74  *	PAM_BAD_CONSTANT
75  */
76 
77 /**
78  * The =pam_open_session sets up a user session for a previously
79  * authenticated user.
80  * The session should later be torn down by a call to =pam_close_session.
81  *
82  * The =flags argument is the binary or of zero or more of the following
83  * values:
84  *
85  *	=PAM_SILENT:
86  *		Do not emit any messages.
87  *
88  * If any other bits are set, =pam_open_session will return
89  * =PAM_BAD_CONSTANT.
90  */
91