1 /* $NetBSD: pam_verror.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_verror.c,v 1.4 2023/06/30 21:46:21 christos Exp $");
44
45 #include <stdarg.h>
46 #include <stdlib.h>
47
48 #include <security/pam_appl.h>
49 #include <security/openpam.h>
50
51 #include "openpam_impl.h"
52
53 /*
54 * OpenPAM extension
55 *
56 * Display an error message
57 */
58
59 int
pam_verror(const pam_handle_t * pamh,const char * fmt,va_list ap)60 pam_verror(const pam_handle_t *pamh,
61 const char *fmt,
62 va_list ap)
63 {
64 char *rsp;
65 int r;
66
67 r = pam_vprompt(pamh, PAM_ERROR_MSG, &rsp, fmt, ap);
68 FREE(rsp); /* ignore response */
69 return (r);
70 }
71
72 /*
73 * Error codes:
74 *
75 * !PAM_SYMBOL_ERR
76 * PAM_SYSTEM_ERR
77 * PAM_BUF_ERR
78 * PAM_CONV_ERR
79 */
80
81 /**
82 * The =pam_verror function passes its arguments to =pam_vprompt with a
83 * style argument of =PAM_ERROR_MSG, and discards the response.
84 *
85 * >pam_error
86 * >pam_vinfo
87 */
88