1/*
2 * Copyright (c) 2005 - 2006 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "hx_locl.h"
35RCSID("$Id: ks_null.c 20901 2007-06-04 23:14:08Z lha $");
36
37
38static int
39null_init(hx509_context context,
40	  hx509_certs certs, void **data, int flags,
41	  const char *residue, hx509_lock lock)
42{
43    *data = NULL;
44    return 0;
45}
46
47static int
48null_free(hx509_certs certs, void *data)
49{
50    assert(data == NULL);
51    return 0;
52}
53
54static int
55null_iter_start(hx509_context context,
56		hx509_certs certs, void *data, void **cursor)
57{
58    *cursor = NULL;
59    return 0;
60}
61
62static int
63null_iter(hx509_context context,
64	  hx509_certs certs, void *data, void *iter, hx509_cert *cert)
65{
66    *cert = NULL;
67    return ENOENT;
68}
69
70static int
71null_iter_end(hx509_context context,
72	      hx509_certs certs,
73	      void *data,
74	      void *cursor)
75{
76    assert(cursor == NULL);
77    return 0;
78}
79
80
81struct hx509_keyset_ops keyset_null = {
82    "NULL",
83    0,
84    null_init,
85    NULL,
86    null_free,
87    NULL,
88    NULL,
89    null_iter_start,
90    null_iter,
91    null_iter_end
92};
93
94void
95_hx509_ks_null_register(hx509_context context)
96{
97    _hx509_ks_register(context, &keyset_null);
98}
99