1 /* crypto/asn1/x_x509.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
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 #include <openssl/x509v3.h>
65
66 ASN1_SEQUENCE_enc(X509_CINF, enc, 0) = {
67 ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0),
68 ASN1_SIMPLE(X509_CINF, serialNumber, ASN1_INTEGER),
69 ASN1_SIMPLE(X509_CINF, signature, X509_ALGOR),
70 ASN1_SIMPLE(X509_CINF, issuer, X509_NAME),
71 ASN1_SIMPLE(X509_CINF, validity, X509_VAL),
72 ASN1_SIMPLE(X509_CINF, subject, X509_NAME),
73 ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY),
74 ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1),
75 ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2),
76 ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3)
77 } ASN1_SEQUENCE_END_enc(X509_CINF, X509_CINF)
78
79 IMPLEMENT_ASN1_FUNCTIONS(X509_CINF)
80 /* X509 top level structure needs a bit of customisation */
81
82 extern void policy_cache_free(X509_POLICY_CACHE *cache);
83
84 static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
85 void *exarg)
86 {
87 X509 *ret = (X509 *)*pval;
88
89 switch(operation) {
90
91 case ASN1_OP_NEW_POST:
92 ret->valid=0;
93 ret->name = NULL;
94 ret->ex_flags = 0;
95 ret->ex_pathlen = -1;
96 ret->skid = NULL;
97 ret->akid = NULL;
98 #ifndef OPENSSL_NO_RFC3779
99 ret->rfc3779_addr = NULL;
100 ret->rfc3779_asid = NULL;
101 #endif
102 ret->aux = NULL;
103 ret->crldp = NULL;
104 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
105 break;
106
107 case ASN1_OP_D2I_POST:
108 if (ret->name != NULL) OPENSSL_free(ret->name);
109 ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);
110 break;
111
112 case ASN1_OP_FREE_POST:
113 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
114 X509_CERT_AUX_free(ret->aux);
115 ASN1_OCTET_STRING_free(ret->skid);
116 AUTHORITY_KEYID_free(ret->akid);
117 CRL_DIST_POINTS_free(ret->crldp);
118 policy_cache_free(ret->policy_cache);
119 GENERAL_NAMES_free(ret->altname);
120 NAME_CONSTRAINTS_free(ret->nc);
121 #ifndef OPENSSL_NO_RFC3779
122 sk_IPAddressFamily_pop_free(ret->rfc3779_addr, IPAddressFamily_free);
123 ASIdentifiers_free(ret->rfc3779_asid);
124 #endif
125
126 if (ret->name != NULL) OPENSSL_free(ret->name);
127 break;
128
129 }
130
131 return 1;
132
133 }
134
135 ASN1_SEQUENCE_ref(X509, x509_cb, CRYPTO_LOCK_X509) = {
136 ASN1_SIMPLE(X509, cert_info, X509_CINF),
137 ASN1_SIMPLE(X509, sig_alg, X509_ALGOR),
138 ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING)
139 } ASN1_SEQUENCE_END_ref(X509, X509)
140
141 IMPLEMENT_ASN1_FUNCTIONS(X509)
142 IMPLEMENT_ASN1_DUP_FUNCTION(X509)
143
144 int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
145 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
146 {
147 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509, argl, argp,
148 new_func, dup_func, free_func);
149 }
150
151 int X509_set_ex_data(X509 *r, int idx, void *arg)
152 {
153 return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
154 }
155
156 void *X509_get_ex_data(X509 *r, int idx)
157 {
158 return(CRYPTO_get_ex_data(&r->ex_data,idx));
159 }
160
161 /* X509_AUX ASN1 routines. X509_AUX is the name given to
162 * a certificate with extra info tagged on the end. Since these
163 * functions set how a certificate is trusted they should only
164 * be used when the certificate comes from a reliable source
165 * such as local storage.
166 *
167 */
168
169 X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
170 {
171 const unsigned char *q;
172 X509 *ret;
173 /* Save start position */
174 q = *pp;
175 ret = d2i_X509(a, pp, length);
176 /* If certificate unreadable then forget it */
177 if(!ret) return NULL;
178 /* update length */
179 length -= *pp - q;
180 if(!length) return ret;
181 if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;
182 return ret;
183 err:
184 X509_free(ret);
185 return NULL;
186 }
187
188 int i2d_X509_AUX(X509 *a, unsigned char **pp)
189 {
190 int length;
191 length = i2d_X509(a, pp);
192 if(a) length += i2d_X509_CERT_AUX(a->aux, pp);
193 return length;
194 }