1 /*	$NetBSD: ks_null.c,v 1.1.1.1 2011/04/13 18:15:11 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 2005 - 2006 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
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  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include "hx_locl.h"
37 
38 
39 static int
40 null_init(hx509_context context,
41 	  hx509_certs certs, void **data, int flags,
42 	  const char *residue, hx509_lock lock)
43 {
44     *data = NULL;
45     return 0;
46 }
47 
48 static int
49 null_free(hx509_certs certs, void *data)
50 {
51     assert(data == NULL);
52     return 0;
53 }
54 
55 static int
56 null_iter_start(hx509_context context,
57 		hx509_certs certs, void *data, void **cursor)
58 {
59     *cursor = NULL;
60     return 0;
61 }
62 
63 static int
64 null_iter(hx509_context context,
65 	  hx509_certs certs, void *data, void *iter, hx509_cert *cert)
66 {
67     *cert = NULL;
68     return ENOENT;
69 }
70 
71 static int
72 null_iter_end(hx509_context context,
73 	      hx509_certs certs,
74 	      void *data,
75 	      void *cursor)
76 {
77     assert(cursor == NULL);
78     return 0;
79 }
80 
81 
82 struct hx509_keyset_ops keyset_null = {
83     "NULL",
84     0,
85     null_init,
86     NULL,
87     null_free,
88     NULL,
89     NULL,
90     null_iter_start,
91     null_iter,
92     null_iter_end
93 };
94 
95 void
96 _hx509_ks_null_register(hx509_context context)
97 {
98     _hx509_ks_register(context, &keyset_null);
99 }
100