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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 
X509_alias_set1(X509 * x,unsigned char * name,int len)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 
X509_keyid_set1(X509 * x,unsigned char * id,int len)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 
X509_alias_get0(X509 * x,int * len)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 
X509_keyid_get0(X509 * x,int * len)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 
X509_add1_trust_object(X509 * x,ASN1_OBJECT * obj)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 
X509_add1_reject_object(X509 * x,ASN1_OBJECT * obj)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 
X509_trust_clear(X509 * x)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 
X509_reject_clear(X509 * x)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)
181