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
72 static X509_CERT_AUX *aux_get(X509 *x);
73
74 ASN1_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
82 IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_AUX)
83
84 static 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
91 int 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
107 int 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
123 unsigned 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
130 unsigned 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
137 int 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
148 int 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
159 void 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
167 void 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
175 ASN1_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
180 IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_PAIR)