Fix to the -revoke option in ca. It was leaking memory, crashing and just
[openssl.git] / crypto / asn1 / x_x509a.c
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
72 static X509_CERT_AUX *aux_get(X509 *x);
73
74 X509_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
81         M_ASN1_D2I_get_opt(ret->trust, d2i_ASN1_BIT_STRING,
82                                                         V_ASN1_BIT_STRING);
83         M_ASN1_D2I_get_IMP_opt(ret->notrust, d2i_ASN1_BIT_STRING,0,
84                                                         V_ASN1_BIT_STRING);
85
86         M_ASN1_D2I_get_seq_opt_type(ASN1_OBJECT, ret->othertrust,
87                                         d2i_ASN1_OBJECT, ASN1_OBJECT_free);
88         M_ASN1_D2I_get_IMP_set_opt_type(ASN1_OBJECT, ret->othernotrust,
89                                         d2i_ASN1_OBJECT, ASN1_OBJECT_free, 1);
90         M_ASN1_D2I_get_opt(ret->alias, d2i_ASN1_UTF8STRING, V_ASN1_UTF8STRING);
91         M_ASN1_D2I_get_opt(ret->other, d2i_ASN1_TYPE, V_ASN1_SEQUENCE);
92
93         M_ASN1_D2I_Finish(a, X509_CERT_AUX_free, ASN1_F_D2I_X509_CERT_AUX);
94 }
95
96 X509_CERT_AUX *X509_CERT_AUX_new()
97 {
98         X509_CERT_AUX *ret = NULL;
99         ASN1_CTX c;
100         M_ASN1_New_Malloc(ret, X509_CERT_AUX);
101         ret->trust = NULL;
102         ret->notrust = NULL;
103         ret->othertrust = NULL;
104         ret->othernotrust = NULL;
105         ret->alias = NULL;
106         ret->other = NULL;
107         return(ret);
108         M_ASN1_New_Error(ASN1_F_X509_CERT_AUX_NEW);
109 }
110
111 void X509_CERT_AUX_free(X509_CERT_AUX *a)
112 {
113         if(a == NULL) return;
114         ASN1_BIT_STRING_free(a->trust);
115         ASN1_BIT_STRING_free(a->notrust);
116         sk_ASN1_OBJECT_pop_free(a->othertrust, ASN1_OBJECT_free);
117         sk_ASN1_OBJECT_pop_free(a->othernotrust, ASN1_OBJECT_free);
118         ASN1_UTF8STRING_free(a->alias);
119         ASN1_TYPE_free(a->other);
120         Free((char *)a);
121 }
122
123 int i2d_X509_CERT_AUX(X509_CERT_AUX *a, unsigned char **pp)
124 {
125         M_ASN1_I2D_vars(a);
126
127         M_ASN1_I2D_len(a->trust, i2d_ASN1_BIT_STRING);  
128         M_ASN1_I2D_len_IMP_opt(a->notrust, i2d_ASN1_BIT_STRING);
129
130         M_ASN1_I2D_len_SEQUENCE_opt_type(ASN1_OBJECT, a->othertrust, i2d_ASN1_OBJECT);
131         M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->othernotrust, i2d_ASN1_OBJECT, 1);
132
133         M_ASN1_I2D_len(a->alias, i2d_ASN1_UTF8STRING);
134         M_ASN1_I2D_len(a->other, i2d_ASN1_TYPE);
135
136         M_ASN1_I2D_seq_total();
137
138         M_ASN1_I2D_put(a->trust, i2d_ASN1_BIT_STRING);  
139         M_ASN1_I2D_put_IMP_opt(a->notrust, i2d_ASN1_BIT_STRING, 0);
140
141         M_ASN1_I2D_put_SEQUENCE_opt_type(ASN1_OBJECT, a->othertrust, i2d_ASN1_OBJECT);
142         M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(ASN1_OBJECT, a->othernotrust, i2d_ASN1_OBJECT, 1);
143
144         M_ASN1_I2D_put(a->alias, i2d_ASN1_UTF8STRING);
145         M_ASN1_I2D_put(a->other, i2d_ASN1_TYPE);
146
147         M_ASN1_I2D_finish();
148 }
149
150 static X509_CERT_AUX *aux_get(X509 *x)
151 {
152         if(!x) return NULL;
153         if(!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL;
154         return x->aux;
155 }
156
157 int X509_alias_set(X509 *x, unsigned char *name, int len)
158 {
159         X509_CERT_AUX *aux;
160         if(!(aux = aux_get(x))) return 0;
161         if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0;
162         return ASN1_STRING_set(aux->alias, name, len);
163 }
164
165 unsigned char *X509_alias_get(X509 *x, int *len)
166 {
167         if(!x->aux || !x->aux->alias) return NULL;
168         if(len) *len = x->aux->alias->length;
169         return x->aux->alias->data;
170 }
171
172 int X509_trust_set_bit(X509 *x, int bit, int value)
173 {
174         X509_CERT_AUX *aux;
175         if(bit == -1) {
176                 if(x->aux && x->aux->trust) {
177                         ASN1_BIT_STRING_free(x->aux->trust);
178                         x->aux->trust = NULL;
179                 }
180                 return 1;
181         }
182         if(!(aux = aux_get(x))) return 0;
183         if(!aux->trust && !(aux->trust = ASN1_BIT_STRING_new())) return 0;
184         return ASN1_BIT_STRING_set_bit(aux->trust, bit, value);
185 }
186
187 int X509_notrust_set_bit(X509 *x, int bit, int value)
188 {
189         X509_CERT_AUX *aux;
190         if(bit == -1) {
191                 if(x->aux && x->aux->notrust) {
192                         ASN1_BIT_STRING_free(x->aux->notrust);
193                         x->aux->notrust = NULL;
194                 }
195                 return 1;
196         }
197         if(!(aux = aux_get(x))) return 0;
198         if(!aux->notrust && !(aux->notrust = ASN1_BIT_STRING_new())) return 0;
199         return ASN1_BIT_STRING_set_bit(aux->notrust, bit, value);
200 }
201
202 int X509_add_trust_object(X509 *x, ASN1_OBJECT *obj)
203 {
204         X509_CERT_AUX *aux;
205         if(!(aux = aux_get(x))) return 0;
206         if(!aux->othertrust
207                 && !(aux->othertrust = sk_ASN1_OBJECT_new_null())) return 0;
208         return sk_ASN1_OBJECT_push(aux->othertrust, obj);
209 }
210
211 int X509_add_notrust_object(X509 *x, ASN1_OBJECT *obj)
212 {
213         X509_CERT_AUX *aux;
214         if(!(aux = aux_get(x))) return 0;
215         if(!aux->othernotrust
216                 && !(aux->othernotrust = sk_ASN1_OBJECT_new_null())) return 0;
217         return sk_ASN1_OBJECT_push(aux->othernotrust, obj);
218 }
219