1/* a_x509a.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project.  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
17 *    the documentation and/or other materials provided with the
18 *    distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 *    software must display the following acknowledgment:
22 *    "This product includes software developed by the OpenSSL Project
23 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 *    endorse or promote products derived from this software without
27 *    prior written permission. For written permission, please contact
28 *    licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 *    nor may "OpenSSL" appear in their names without prior written
32 *    permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 *    acknowledgment:
36 *    "This product includes software developed by the OpenSSL Project
37 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com).  This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/evp.h>
62#include <openssl/asn1t.h>
63#include <openssl/x509.h>
64
65/* X509_CERT_AUX routines. These are used to encode additional
66 * user modifiable data about a certificate. This data is
67 * appended to the X509 encoding when the *_X509_AUX routines
68 * are used. This means that the "traditional" X509 routines
69 * will simply ignore the extra data.
70 */
71
72static X509_CERT_AUX *aux_get(X509 *x);
73
74ASN1_SEQUENCE(X509_CERT_AUX) = {
75	ASN1_SEQUENCE_OF_OPT(X509_CERT_AUX, trust, ASN1_OBJECT),
76	ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, reject, ASN1_OBJECT, 0),
77	ASN1_OPT(X509_CERT_AUX, alias, ASN1_UTF8STRING),
78	ASN1_OPT(X509_CERT_AUX, keyid, ASN1_OCTET_STRING),
79	ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, other, X509_ALGOR, 1)
80} ASN1_SEQUENCE_END(X509_CERT_AUX)
81
82IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_AUX)
83
84static X509_CERT_AUX *aux_get(X509 *x)
85{
86	if(!x) return NULL;
87	if(!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL;
88	return x->aux;
89}
90
91int X509_alias_set1(X509 *x, unsigned char *name, int len)
92{
93	X509_CERT_AUX *aux;
94	if (!name)
95		{
96		if (!x || !x->aux || !x->aux->alias)
97			return 1;
98		ASN1_UTF8STRING_free(x->aux->alias);
99		x->aux->alias = NULL;
100		return 1;
101		}
102	if(!(aux = aux_get(x))) return 0;
103	if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0;
104	return ASN1_STRING_set(aux->alias, name, len);
105}
106
107int X509_keyid_set1(X509 *x, unsigned char *id, int len)
108{
109	X509_CERT_AUX *aux;
110	if (!id)
111		{
112		if (!x || !x->aux || !x->aux->keyid)
113			return 1;
114		ASN1_OCTET_STRING_free(x->aux->keyid);
115		x->aux->keyid = NULL;
116		return 1;
117		}
118	if(!(aux = aux_get(x))) return 0;
119	if(!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new())) return 0;
120	return ASN1_STRING_set(aux->keyid, id, len);
121}
122
123unsigned char *X509_alias_get0(X509 *x, int *len)
124{
125	if(!x->aux || !x->aux->alias) return NULL;
126	if(len) *len = x->aux->alias->length;
127	return x->aux->alias->data;
128}
129
130unsigned char *X509_keyid_get0(X509 *x, int *len)
131{
132	if(!x->aux || !x->aux->keyid) return NULL;
133	if(len) *len = x->aux->keyid->length;
134	return x->aux->keyid->data;
135}
136
137int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj)
138{
139	X509_CERT_AUX *aux;
140	ASN1_OBJECT *objtmp;
141	if(!(objtmp = OBJ_dup(obj))) return 0;
142	if(!(aux = aux_get(x))) return 0;
143	if(!aux->trust
144		&& !(aux->trust = sk_ASN1_OBJECT_new_null())) return 0;
145	return sk_ASN1_OBJECT_push(aux->trust, objtmp);
146}
147
148int X509_add1_reject_object(X509 *x, ASN1_OBJECT *obj)
149{
150	X509_CERT_AUX *aux;
151	ASN1_OBJECT *objtmp;
152	if(!(objtmp = OBJ_dup(obj))) return 0;
153	if(!(aux = aux_get(x))) return 0;
154	if(!aux->reject
155		&& !(aux->reject = sk_ASN1_OBJECT_new_null())) return 0;
156	return sk_ASN1_OBJECT_push(aux->reject, objtmp);
157}
158
159void X509_trust_clear(X509 *x)
160{
161	if(x->aux && x->aux->trust) {
162		sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free);
163		x->aux->trust = NULL;
164	}
165}
166
167void X509_reject_clear(X509 *x)
168{
169	if(x->aux && x->aux->reject) {
170		sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free);
171		x->aux->reject = NULL;
172	}
173}
174
175ASN1_SEQUENCE(X509_CERT_PAIR) = {
176	ASN1_EXP_OPT(X509_CERT_PAIR, forward, X509, 0),
177	ASN1_EXP_OPT(X509_CERT_PAIR, reverse, X509, 1)
178} ASN1_SEQUENCE_END(X509_CERT_PAIR)
179
180IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_PAIR)
181