source: openpam/trunk/lib/pam_info.c @ 8

Last change on this file since 8 was 8, checked in by Dag-Erling Smørgrav, 19 years ago

Add non-standard extensions: pam_error(3), pam_get_authtok(3),
pam_info(3), pam_prompt(3).

Sponsored by: DARPA, NAI Labs

File size: 2.5 KB
Line 
1/*-
2 * Copyright (c) 2002 Networks Associates Technologies, Inc.
3 * All rights reserved.
4 *
5 * This software was developed for the FreeBSD Project by ThinkSec AS and
6 * NAI Labs, the Security Research Division of Network Associates, Inc.
7 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
8 * DARPA CHATS research program.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote
19 *    products derived from this software without specific prior written
20 *    permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $Id$
35 */
36
37#include <stdarg.h>
38#include <stdio.h>
39#include <stdlib.h>
40
41#include <security/pam_appl.h>
42
43/*
44 * OpenPAM extension
45 *
46 * Display an information message
47 */
48
49int
50pam_info(pam_handle_t *pamh,
51        const char *fmt,
52        ...)
53{
54        char msgbuf[PAM_MAX_MSG_SIZE];
55        struct pam_message msg;
56        const struct pam_message *msgp;
57        struct pam_response *rsp;
58        struct pam_conv conv;
59        va_list ap;
60        int r;
61
62        if ((r = pam_get_item(pamh, PAM_CONV, (void *)&conv)) != PAM_SUCCESS)
63                return (r);
64        va_start(ap, fmt);
65        vsnprintf(msgbuf, PAM_MAX_MSG_SIZE, fmt, ap);
66        va_end(ap);
67        msg.msg_style = PAM_TEXT_INFO;
68        msg.msg = msgbuf;
69        msgp = &msg;
70        r = (conv.conv)(1, &msgp, &rsp, conv.appdata_ptr);
71        free(rsp); /* ignore response */
72        return (r);
73}
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