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[thirdparty/openssl.git] / crypto / asn1 / x_x509a.c
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ce1b4fe1
DSH
1/* a_x509a.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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/asn1_mac.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
74X509_CERT_AUX *d2i_X509_CERT_AUX(X509_CERT_AUX **a, unsigned char **pp, long length)
75{
76 M_ASN1_D2I_vars(a, X509_CERT_AUX *, X509_CERT_AUX_new);
77
78 M_ASN1_D2I_Init();
79 M_ASN1_D2I_start_sequence();
80
6447cce3 81 M_ASN1_D2I_get_seq_opt_type(ASN1_OBJECT, ret->trust,
ce1b4fe1 82 d2i_ASN1_OBJECT, ASN1_OBJECT_free);
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DSH
83 M_ASN1_D2I_get_IMP_set_opt_type(ASN1_OBJECT, ret->reject,
84 d2i_ASN1_OBJECT, ASN1_OBJECT_free, 0);
ce1b4fe1 85 M_ASN1_D2I_get_opt(ret->alias, d2i_ASN1_UTF8STRING, V_ASN1_UTF8STRING);
6447cce3 86 M_ASN1_D2I_get_opt(ret->keyid, d2i_ASN1_OCTET_STRING, V_ASN1_OCTET_STRING);
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DSH
87 M_ASN1_D2I_get_opt(ret->other, d2i_ASN1_TYPE, V_ASN1_SEQUENCE);
88
89 M_ASN1_D2I_Finish(a, X509_CERT_AUX_free, ASN1_F_D2I_X509_CERT_AUX);
90}
91
92X509_CERT_AUX *X509_CERT_AUX_new()
93{
94 X509_CERT_AUX *ret = NULL;
95 ASN1_CTX c;
96 M_ASN1_New_Malloc(ret, X509_CERT_AUX);
97 ret->trust = NULL;
9868232a 98 ret->reject = NULL;
ce1b4fe1 99 ret->alias = NULL;
6447cce3 100 ret->keyid = NULL;
ce1b4fe1
DSH
101 ret->other = NULL;
102 return(ret);
103 M_ASN1_New_Error(ASN1_F_X509_CERT_AUX_NEW);
104}
105
106void X509_CERT_AUX_free(X509_CERT_AUX *a)
107{
108 if(a == NULL) return;
6447cce3
DSH
109 sk_ASN1_OBJECT_pop_free(a->trust, ASN1_OBJECT_free);
110 sk_ASN1_OBJECT_pop_free(a->reject, ASN1_OBJECT_free);
ce1b4fe1 111 ASN1_UTF8STRING_free(a->alias);
6447cce3 112 ASN1_OCTET_STRING_free(a->keyid);
ce1b4fe1 113 ASN1_TYPE_free(a->other);
51ca375e 114 Free(a);
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DSH
115}
116
117int i2d_X509_CERT_AUX(X509_CERT_AUX *a, unsigned char **pp)
118{
119 M_ASN1_I2D_vars(a);
120
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DSH
121 M_ASN1_I2D_len_SEQUENCE_opt_type(ASN1_OBJECT, a->trust, i2d_ASN1_OBJECT);
122 M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->reject, i2d_ASN1_OBJECT, 0);
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123
124 M_ASN1_I2D_len(a->alias, i2d_ASN1_UTF8STRING);
6447cce3 125 M_ASN1_I2D_len(a->keyid, i2d_ASN1_OCTET_STRING);
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126 M_ASN1_I2D_len(a->other, i2d_ASN1_TYPE);
127
128 M_ASN1_I2D_seq_total();
129
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DSH
130 M_ASN1_I2D_put_SEQUENCE_opt_type(ASN1_OBJECT, a->trust, i2d_ASN1_OBJECT);
131 M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->reject, i2d_ASN1_OBJECT, 0);
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132
133 M_ASN1_I2D_put(a->alias, i2d_ASN1_UTF8STRING);
6447cce3 134 M_ASN1_I2D_put(a->keyid, i2d_ASN1_OCTET_STRING);
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135 M_ASN1_I2D_put(a->other, i2d_ASN1_TYPE);
136
137 M_ASN1_I2D_finish();
138}
139
140static X509_CERT_AUX *aux_get(X509 *x)
141{
142 if(!x) return NULL;
143 if(!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL;
144 return x->aux;
145}
146
35f4850a 147int X509_alias_rset(X509 *x, unsigned char *name, int len)
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DSH
148{
149 X509_CERT_AUX *aux;
150 if(!(aux = aux_get(x))) return 0;
151 if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0;
152 return ASN1_STRING_set(aux->alias, name, len);
153}
154
35f4850a 155unsigned char *X509_alias_iget(X509 *x, int *len)
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DSH
156{
157 if(!x->aux || !x->aux->alias) return NULL;
158 if(len) *len = x->aux->alias->length;
159 return x->aux->alias->data;
160}
161
6447cce3 162int X509_radd_trust_object(X509 *x, ASN1_OBJECT *obj)
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DSH
163{
164 X509_CERT_AUX *aux;
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DSH
165 ASN1_OBJECT *objtmp;
166 if(!(objtmp = OBJ_dup(obj))) return 0;
ce1b4fe1 167 if(!(aux = aux_get(x))) return 0;
6447cce3
DSH
168 if(!aux->trust
169 && !(aux->trust = sk_ASN1_OBJECT_new_null())) return 0;
170 return sk_ASN1_OBJECT_push(aux->trust, objtmp);
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DSH
171}
172
6447cce3 173int X509_radd_reject_object(X509 *x, ASN1_OBJECT *obj)
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DSH
174{
175 X509_CERT_AUX *aux;
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DSH
176 ASN1_OBJECT *objtmp;
177 if(!(objtmp = OBJ_dup(obj))) return 0;
ce1b4fe1 178 if(!(aux = aux_get(x))) return 0;
6447cce3
DSH
179 if(!aux->reject
180 && !(aux->reject = sk_ASN1_OBJECT_new_null())) return 0;
181 return sk_ASN1_OBJECT_push(aux->reject, objtmp);
ce1b4fe1
DSH
182}
183
6447cce3 184void X509_trust_clear(X509 *x)
ce1b4fe1 185{
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DSH
186 if(x->aux && x->aux->trust) {
187 sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free);
188 x->aux->trust = NULL;
189 }
ce1b4fe1
DSH
190}
191
6447cce3 192void X509_reject_clear(X509 *x)
ce1b4fe1 193{
6447cce3
DSH
194 if(x->aux && x->aux->reject) {
195 sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free);
196 x->aux->reject = NULL;
197 }
ce1b4fe1
DSH
198}
199