1/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
2 * project 1999. */
3/* ====================================================================
4 * Copyright (c) 1999 The OpenSSL Project.  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
15 *    the documentation and/or other materials provided with the
16 *    distribution.
17 *
18 * 3. All advertising materials mentioning features or use of this
19 *    software must display the following acknowledgment:
20 *    "This product includes software developed by the OpenSSL Project
21 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
22 *
23 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
24 *    endorse or promote products derived from this software without
25 *    prior written permission. For written permission, please contact
26 *    licensing@OpenSSL.org.
27 *
28 * 5. Products derived from this software may not be called "OpenSSL"
29 *    nor may "OpenSSL" appear in their names without prior written
30 *    permission of the OpenSSL Project.
31 *
32 * 6. Redistributions of any form whatsoever must retain the following
33 *    acknowledgment:
34 *    "This product includes software developed by the OpenSSL Project
35 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
36 *
37 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
38 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
39 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
40 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
43 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
44 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
46 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
47 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
48 * OF THE POSSIBILITY OF SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This product includes cryptographic software written by Eric Young
52 * (eay@cryptsoft.com).  This product includes software written by Tim
53 * Hudson (tjh@cryptsoft.com). */
54
55#include <stdio.h>
56
57#include <openssl/asn1t.h>
58#include <openssl/evp.h>
59#include <openssl/obj.h>
60#include <openssl/x509.h>
61
62
63/* X509_CERT_AUX routines. These are used to encode additional
64 * user modifiable data about a certificate. This data is
65 * appended to the X509 encoding when the *_X509_AUX routines
66 * are used. This means that the "traditional" X509 routines
67 * will simply ignore the extra data. */
68
69static X509_CERT_AUX *aux_get(X509 *x);
70
71ASN1_SEQUENCE(X509_CERT_AUX) = {
72	ASN1_SEQUENCE_OF_OPT(X509_CERT_AUX, trust, ASN1_OBJECT),
73	ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, reject, ASN1_OBJECT, 0),
74	ASN1_OPT(X509_CERT_AUX, alias, ASN1_UTF8STRING),
75	ASN1_OPT(X509_CERT_AUX, keyid, ASN1_OCTET_STRING),
76	ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, other, X509_ALGOR, 1)
77} ASN1_SEQUENCE_END(X509_CERT_AUX)
78
79IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_AUX)
80
81static X509_CERT_AUX *aux_get(X509 *x)
82{
83	if(!x) return NULL;
84	if(!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL;
85	return x->aux;
86}
87
88int X509_alias_set1(X509 *x, unsigned char *name, int len)
89{
90	X509_CERT_AUX *aux;
91	if (!name)
92		{
93		if (!x || !x->aux || !x->aux->alias)
94			return 1;
95		ASN1_UTF8STRING_free(x->aux->alias);
96		x->aux->alias = NULL;
97		return 1;
98		}
99	if(!(aux = aux_get(x))) return 0;
100	if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0;
101	return ASN1_STRING_set(aux->alias, name, len);
102}
103
104int X509_keyid_set1(X509 *x, unsigned char *id, int len)
105{
106	X509_CERT_AUX *aux;
107	if (!id)
108		{
109		if (!x || !x->aux || !x->aux->keyid)
110			return 1;
111		ASN1_OCTET_STRING_free(x->aux->keyid);
112		x->aux->keyid = NULL;
113		return 1;
114		}
115	if(!(aux = aux_get(x))) return 0;
116	if(!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new())) return 0;
117	return ASN1_STRING_set(aux->keyid, id, len);
118}
119
120unsigned char *X509_alias_get0(X509 *x, int *len)
121{
122	if(!x->aux || !x->aux->alias) return NULL;
123	if(len) *len = x->aux->alias->length;
124	return x->aux->alias->data;
125}
126
127unsigned char *X509_keyid_get0(X509 *x, int *len)
128{
129	if(!x->aux || !x->aux->keyid) return NULL;
130	if(len) *len = x->aux->keyid->length;
131	return x->aux->keyid->data;
132}
133
134int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj)
135{
136	ASN1_OBJECT *objtmp = OBJ_dup(obj);
137	if (objtmp == NULL)
138		goto err;
139	X509_CERT_AUX *aux = aux_get(x);
140	if (aux->trust == NULL)
141		{
142		aux->trust = sk_ASN1_OBJECT_new_null();
143		if (aux->trust == NULL)
144			goto err;
145		}
146	if (!sk_ASN1_OBJECT_push(aux->trust, objtmp))
147		goto err;
148	return 1;
149
150err:
151	ASN1_OBJECT_free(objtmp);
152	return 0;
153}
154
155int X509_add1_reject_object(X509 *x, ASN1_OBJECT *obj)
156{
157	ASN1_OBJECT *objtmp = OBJ_dup(obj);
158	if (objtmp == NULL)
159		goto err;
160	X509_CERT_AUX *aux = aux_get(x);
161	if (aux->reject == NULL)
162		{
163		aux->reject = sk_ASN1_OBJECT_new_null();
164		if (aux->reject == NULL)
165			goto err;
166		}
167	if (!sk_ASN1_OBJECT_push(aux->reject, objtmp))
168		goto err;
169	return 1;
170
171err:
172	ASN1_OBJECT_free(objtmp);
173	return 0;
174}
175
176void X509_trust_clear(X509 *x)
177{
178	if(x->aux && x->aux->trust) {
179		sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free);
180		x->aux->trust = NULL;
181	}
182}
183
184void X509_reject_clear(X509 *x)
185{
186	if(x->aux && x->aux->reject) {
187		sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free);
188		x->aux->reject = NULL;
189	}
190}
191
192ASN1_SEQUENCE(X509_CERT_PAIR) = {
193	ASN1_EXP_OPT(X509_CERT_PAIR, forward, X509, 0),
194	ASN1_EXP_OPT(X509_CERT_PAIR, reverse, X509, 1)
195} ASN1_SEQUENCE_END(X509_CERT_PAIR)
196
197IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_PAIR)
198