1 /* $NetBSD: pam_error.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) 2004-2011 Dag-Erling Smørgrav
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_error.c,v 1.4 2023/06/30 21:46:21 christos Exp $");
44
45 #include <stdarg.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48
49 #include <security/pam_appl.h>
50 #include <security/openpam.h>
51
52 #include "openpam_impl.h"
53
54 /*
55 * OpenPAM extension
56 *
57 * Display an error message
58 */
59
60 int
pam_error(const pam_handle_t * pamh,const char * fmt,...)61 pam_error(const pam_handle_t *pamh,
62 const char *fmt,
63 ...)
64 {
65 va_list ap;
66 char *rsp;
67 int r;
68
69 va_start(ap, fmt);
70 r = pam_vprompt(pamh, PAM_ERROR_MSG, &rsp, fmt, ap);
71 va_end(ap);
72 FREE(rsp); /* ignore response */
73 return (r);
74 }
75
76 /*
77 * Error codes:
78 *
79 * !PAM_SYMBOL_ERR
80 * PAM_SYSTEM_ERR
81 * PAM_BUF_ERR
82 * PAM_CONV_ERR
83 */
84
85 /**
86 * The =pam_error function displays an error message through the
87 * intermediary of the given PAM context's conversation function.
88 *
89 * >pam_info
90 * >pam_prompt
91 * >pam_verror
92 */
93