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
37 static int
null_init(hx509_context context,hx509_certs certs,void ** data,int flags,const char * residue,hx509_lock lock)38 null_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
46 static int
null_free(hx509_certs certs,void * data)47 null_free(hx509_certs certs, void *data)
48 {
49 assert(data == NULL);
50 return 0;
51 }
52
53 static int
null_iter_start(hx509_context context,hx509_certs certs,void * data,void ** cursor)54 null_iter_start(hx509_context context,
55 hx509_certs certs, void *data, void **cursor)
56 {
57 *cursor = NULL;
58 return 0;
59 }
60
61 static int
null_iter(hx509_context context,hx509_certs certs,void * data,void * iter,hx509_cert * cert)62 null_iter(hx509_context context,
63 hx509_certs certs, void *data, void *iter, hx509_cert *cert)
64 {
65 *cert = NULL;
66 return ENOENT;
67 }
68
69 static int
null_iter_end(hx509_context context,hx509_certs certs,void * data,void * cursor)70 null_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
80 struct 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
93 void
_hx509_ks_null_register(hx509_context context)94 _hx509_ks_null_register(hx509_context context)
95 {
96 _hx509_ks_register(context, &keyset_null);
97 }
98