1/*	$NetBSD: pam_strerror.c,v 1.4 2023/06/30 21:46:21 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
5 * Copyright (c) 2004-2017 Dag-Erling Sm��rgrav
6 * All rights reserved.
7 *
8 * This software was developed for the FreeBSD Project by ThinkSec AS and
9 * Network Associates Laboratories, the Security Research Division of
10 * Network Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
11 * ("CBOSS"), as part of the DARPA CHATS research program.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 * 3. The name of the author may not be used to endorse or promote
22 *    products derived from this software without specific prior written
23 *    permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38#ifdef HAVE_CONFIG_H
39# include "config.h"
40#endif
41
42#include <sys/cdefs.h>
43__RCSID("$NetBSD: pam_strerror.c,v 1.4 2023/06/30 21:46:21 christos Exp $");
44
45#include <stdio.h>
46
47#include <security/pam_appl.h>
48
49#include "openpam_impl.h"
50
51/*
52 * XSSO 4.2.1
53 * XSSO 6 page 92
54 *
55 * Get PAM standard error message string
56 */
57
58const char *
59pam_strerror(const pam_handle_t *pamh,
60	int error_number)
61{
62	static char unknown[16];
63
64	/*LINTED unused*/
65	(void)pamh;
66	if (error_number >= 0 && error_number < PAM_NUM_ERRORS) {
67		return (pam_err_text[error_number]);
68	} else {
69		snprintf(unknown, sizeof unknown, "#%d", error_number);
70		return (unknown);
71	}
72}
73
74/**
75 * The =pam_strerror function returns a pointer to a string containing a
76 * textual description of the error indicated by the =error_number
77 * argument.
78 * The =pamh argument is ignored.
79 * For compatibility with other implementations, it should be either a
80 * valid PAM handle returned by a previous call to =pam_start, or =NULL.
81 */
82