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 #include <stdio.h>
59
60 #include <openssl/asn1t.h>
61 #include <openssl/evp.h>
62 #include <openssl/mem.h>
63 #include <openssl/obj.h>
64 #include <openssl/thread.h>
65 #include <openssl/x509.h>
66 #include <openssl/x509v3.h>
67
68
69 ASN1_SEQUENCE_enc(X509_CINF, enc, 0) = {
70 ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0),
71 ASN1_SIMPLE(X509_CINF, serialNumber, ASN1_INTEGER),
72 ASN1_SIMPLE(X509_CINF, signature, X509_ALGOR),
73 ASN1_SIMPLE(X509_CINF, issuer, X509_NAME),
74 ASN1_SIMPLE(X509_CINF, validity, X509_VAL),
75 ASN1_SIMPLE(X509_CINF, subject, X509_NAME),
76 ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY),
77 ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1),
78 ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2),
79 ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3)
80 } ASN1_SEQUENCE_END_enc(X509_CINF, X509_CINF)
81
82 IMPLEMENT_ASN1_FUNCTIONS(X509_CINF)
83 /* X509 top level structure needs a bit of customisation */
84
85 extern void policy_cache_free(X509_POLICY_CACHE *cache);
86
x509_cb(int operation,ASN1_VALUE ** pval,const ASN1_ITEM * it,void * exarg)87 static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
88 void *exarg)
89 {
90 X509 *ret = (X509 *)*pval;
91
92 switch(operation) {
93
94 case ASN1_OP_NEW_POST:
95 ret->valid=0;
96 ret->name = NULL;
97 ret->ex_flags = 0;
98 ret->ex_pathlen = -1;
99 ret->skid = NULL;
100 ret->akid = NULL;
101 ret->aux = NULL;
102 ret->crldp = NULL;
103 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
104 break;
105
106 case ASN1_OP_D2I_POST:
107 if (ret->name != NULL) OPENSSL_free(ret->name);
108 ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);
109 break;
110
111 case ASN1_OP_FREE_POST:
112 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
113 X509_CERT_AUX_free(ret->aux);
114 ASN1_OCTET_STRING_free(ret->skid);
115 AUTHORITY_KEYID_free(ret->akid);
116 CRL_DIST_POINTS_free(ret->crldp);
117 policy_cache_free(ret->policy_cache);
118 GENERAL_NAMES_free(ret->altname);
119 NAME_CONSTRAINTS_free(ret->nc);
120
121 if (ret->name != NULL) OPENSSL_free(ret->name);
122 break;
123
124 }
125
126 return 1;
127
128 }
129
130 ASN1_SEQUENCE_ref(X509, x509_cb, CRYPTO_LOCK_X509) = {
131 ASN1_SIMPLE(X509, cert_info, X509_CINF),
132 ASN1_SIMPLE(X509, sig_alg, X509_ALGOR),
133 ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING)
134 } ASN1_SEQUENCE_END_ref(X509, X509)
135
136 IMPLEMENT_ASN1_FUNCTIONS(X509)
137 IMPLEMENT_ASN1_DUP_FUNCTION(X509)
138
139 X509 *X509_up_ref(X509 *x)
140 {
141 CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
142 return x;
143 }
144
X509_get_ex_new_index(long argl,void * argp,CRYPTO_EX_new * new_func,CRYPTO_EX_dup * dup_func,CRYPTO_EX_free * free_func)145 int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
146 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
147 {
148 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509, argl, argp,
149 new_func, dup_func, free_func);
150 }
151
X509_set_ex_data(X509 * r,int idx,void * arg)152 int X509_set_ex_data(X509 *r, int idx, void *arg)
153 {
154 return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
155 }
156
X509_get_ex_data(X509 * r,int idx)157 void *X509_get_ex_data(X509 *r, int idx)
158 {
159 return(CRYPTO_get_ex_data(&r->ex_data,idx));
160 }
161
162 /* X509_AUX ASN1 routines. X509_AUX is the name given to
163 * a certificate with extra info tagged on the end. Since these
164 * functions set how a certificate is trusted they should only
165 * be used when the certificate comes from a reliable source
166 * such as local storage.
167 *
168 */
169
d2i_X509_AUX(X509 ** a,const unsigned char ** pp,long length)170 X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
171 {
172 const unsigned char *q;
173 X509 *ret;
174 /* Save start position */
175 q = *pp;
176 ret = d2i_X509(a, pp, length);
177 /* If certificate unreadable then forget it */
178 if(!ret) return NULL;
179 /* update length */
180 length -= *pp - q;
181 if(!length) return ret;
182 if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;
183 return ret;
184 err:
185 X509_free(ret);
186 return NULL;
187 }
188
i2d_X509_AUX(X509 * a,unsigned char ** pp)189 int i2d_X509_AUX(X509 *a, unsigned char **pp)
190 {
191 int length;
192 length = i2d_X509(a, pp);
193 if(a) length += i2d_X509_CERT_AUX(a->aux, pp);
194 return length;
195 }
196
X509_get0_signature(ASN1_BIT_STRING ** psig,X509_ALGOR ** palg,const X509 * x)197 void X509_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg,
198 const X509 *x)
199 {
200 if (psig)
201 *psig = x->signature;
202 if (palg)
203 *palg = x->sig_alg;
204 }
205
X509_get_signature_nid(const X509 * x)206 int X509_get_signature_nid(const X509 *x)
207 {
208 return OBJ_obj2nid(x->sig_alg->algorithm);
209 }
210