xref: /freebsd/contrib/openpam/lib/libpam/pam_info.c (revision 3ba4c8c81a28de3e00ccf6d7f92c6f8e58bef456)
1 /*-
2  * Copyright (c) 2002-2003 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 
36 #ifdef HAVE_CONFIG_H
37 # include "config.h"
38 #endif
39 
40 #include <stdarg.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 
44 #include <security/pam_appl.h>
45 #include <security/openpam.h>
46 
47 #include "openpam_impl.h"
48 
49 /*
50  * OpenPAM extension
51  *
52  * Display an information message
53  */
54 
55 int
pam_info(const pam_handle_t * pamh,const char * fmt,...)56 pam_info(const pam_handle_t *pamh,
57 	const char *fmt,
58 	...)
59 {
60 	va_list ap;
61 	char *rsp;
62 	int r;
63 
64 	va_start(ap, fmt);
65 	r = pam_vprompt(pamh, PAM_TEXT_INFO, &rsp, fmt, ap);
66 	va_end(ap);
67 	FREE(rsp); /* ignore response */
68 	return (r);
69 }
70 
71 /*
72  * Error codes:
73  *
74  *     !PAM_SYMBOL_ERR
75  *	PAM_SYSTEM_ERR
76  *	PAM_BUF_ERR
77  *	PAM_CONV_ERR
78  */
79 
80 /**
81  * The =pam_info function displays an informational message through the
82  * intermediary of the given PAM context's conversation function.
83  *
84  * >pam_error
85  * >pam_prompt
86  * >pam_vinfo
87  */
88