1/*-
2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3 * Copyright (c) 2004-2011 Dag-Erling Sm��rgrav
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 error message
53 */
54
55int
56pam_error(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_ERROR_MSG, &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_error function displays an error message through the
82 * intermediary of the given PAM context's conversation function.
83 *
84 * >pam_info
85 * >pam_prompt
86 * >pam_verror
87 */
88