1 /*
2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
3 * 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 #include <stdio.h>
58
59 #include <openssl/asn1t.h>
60 #include <openssl/evp.h>
61 #include <openssl/obj.h>
62 #include <openssl/x509.h>
63
64 #include "internal.h"
65
66
67 /*
68 * X509_CERT_AUX routines. These are used to encode additional user
69 * modifiable data about a certificate. This data is appended to the X509
70 * encoding when the *_X509_AUX routines are used. This means that the
71 * "traditional" X509 routines will simply ignore the extra data.
72 */
73
74 static X509_CERT_AUX *aux_get(X509 *x);
75
76 ASN1_SEQUENCE(X509_CERT_AUX) = {
77 ASN1_SEQUENCE_OF_OPT(X509_CERT_AUX, trust, ASN1_OBJECT),
78 ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, reject, ASN1_OBJECT, 0),
79 ASN1_OPT(X509_CERT_AUX, alias, ASN1_UTF8STRING),
80 ASN1_OPT(X509_CERT_AUX, keyid, ASN1_OCTET_STRING),
81 ASN1_IMP_SEQUENCE_OF_OPT(X509_CERT_AUX, other, X509_ALGOR, 1)
82 } ASN1_SEQUENCE_END(X509_CERT_AUX)
83
84 IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_AUX)
85
86 static X509_CERT_AUX *aux_get(X509 *x)
87 {
88 if (!x)
89 return NULL;
90 if (!x->aux && !(x->aux = X509_CERT_AUX_new()))
91 return NULL;
92 return x->aux;
93 }
94
X509_alias_set1(X509 * x,const unsigned char * name,int len)95 int X509_alias_set1(X509 *x, const unsigned char *name, int len)
96 {
97 X509_CERT_AUX *aux;
98 if (!name) {
99 if (!x || !x->aux || !x->aux->alias)
100 return 1;
101 ASN1_UTF8STRING_free(x->aux->alias);
102 x->aux->alias = NULL;
103 return 1;
104 }
105 if (!(aux = aux_get(x)))
106 return 0;
107 if (!aux->alias && !(aux->alias = ASN1_UTF8STRING_new()))
108 return 0;
109 return ASN1_STRING_set(aux->alias, name, len);
110 }
111
X509_keyid_set1(X509 * x,const unsigned char * id,int len)112 int X509_keyid_set1(X509 *x, const unsigned char *id, int len)
113 {
114 X509_CERT_AUX *aux;
115 if (!id) {
116 if (!x || !x->aux || !x->aux->keyid)
117 return 1;
118 ASN1_OCTET_STRING_free(x->aux->keyid);
119 x->aux->keyid = NULL;
120 return 1;
121 }
122 if (!(aux = aux_get(x)))
123 return 0;
124 if (!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new()))
125 return 0;
126 return ASN1_STRING_set(aux->keyid, id, len);
127 }
128
X509_alias_get0(X509 * x,int * len)129 unsigned char *X509_alias_get0(X509 *x, int *len)
130 {
131 if (!x->aux || !x->aux->alias)
132 return NULL;
133 if (len)
134 *len = x->aux->alias->length;
135 return x->aux->alias->data;
136 }
137
X509_keyid_get0(X509 * x,int * len)138 unsigned char *X509_keyid_get0(X509 *x, int *len)
139 {
140 if (!x->aux || !x->aux->keyid)
141 return NULL;
142 if (len)
143 *len = x->aux->keyid->length;
144 return x->aux->keyid->data;
145 }
146
X509_add1_trust_object(X509 * x,ASN1_OBJECT * obj)147 int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj)
148 {
149 ASN1_OBJECT *objtmp = OBJ_dup(obj);
150 if (objtmp == NULL)
151 goto err;
152 X509_CERT_AUX *aux = aux_get(x);
153 if (aux->trust == NULL) {
154 aux->trust = sk_ASN1_OBJECT_new_null();
155 if (aux->trust == NULL)
156 goto err;
157 }
158 if (!sk_ASN1_OBJECT_push(aux->trust, objtmp))
159 goto err;
160 return 1;
161
162 err:
163 ASN1_OBJECT_free(objtmp);
164 return 0;
165 }
166
X509_add1_reject_object(X509 * x,ASN1_OBJECT * obj)167 int X509_add1_reject_object(X509 *x, ASN1_OBJECT *obj)
168 {
169 ASN1_OBJECT *objtmp = OBJ_dup(obj);
170 if (objtmp == NULL)
171 goto err;
172 X509_CERT_AUX *aux = aux_get(x);
173 if (aux->reject == NULL) {
174 aux->reject = sk_ASN1_OBJECT_new_null();
175 if (aux->reject == NULL)
176 goto err;
177 }
178 if (!sk_ASN1_OBJECT_push(aux->reject, objtmp))
179 goto err;
180 return 1;
181
182 err:
183 ASN1_OBJECT_free(objtmp);
184 return 0;
185 }
186
X509_trust_clear(X509 * x)187 void X509_trust_clear(X509 *x)
188 {
189 if (x->aux && x->aux->trust) {
190 sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free);
191 x->aux->trust = NULL;
192 }
193 }
194
X509_reject_clear(X509 * x)195 void X509_reject_clear(X509 *x)
196 {
197 if (x->aux && x->aux->reject) {
198 sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free);
199 x->aux->reject = NULL;
200 }
201 }
202