1/*
2 * Copyright (c) 2005 - 2006 Kungliga Tekniska Högskolan
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"
35
36
37static int
38null_init(hx509_context context,
39	  hx509_certs certs, void **data, int flags,
40	  const char *residue, hx509_lock lock)
41{
42    *data = NULL;
43    return 0;
44}
45
46static int
47null_free(hx509_certs certs, void *data)
48{
49    assert(data == NULL);
50    return 0;
51}
52
53static int
54null_iter_start(hx509_context context,
55		hx509_certs certs, void *data, void **cursor)
56{
57    *cursor = NULL;
58    return 0;
59}
60
61static int
62null_iter(hx509_context context,
63	  hx509_certs certs, void *data, void *iter, hx509_cert *cert)
64{
65    *cert = NULL;
66    return ENOENT;
67}
68
69static int
70null_iter_end(hx509_context context,
71	      hx509_certs certs,
72	      void *data,
73	      void *cursor)
74{
75    assert(cursor == NULL);
76    return 0;
77}
78
79
80struct hx509_keyset_ops keyset_null = {
81    "NULL",
82    0,
83    null_init,
84    NULL,
85    null_free,
86    NULL,
87    NULL,
88    null_iter_start,
89    null_iter,
90    null_iter_end
91};
92
93void
94_hx509_ks_null_register(hx509_context context)
95{
96    _hx509_ks_register(context, &keyset_null);
97}
98