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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 : 0 : 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 : 47141 : static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
85 : : void *exarg)
86 : : {
87 : 47141 : X509 *ret = (X509 *)*pval;
88 : :
89 [ + + + + ]: 47141 : switch(operation) {
90 : :
91 : : case ASN1_OP_NEW_POST:
92 : 4951 : ret->valid=0;
93 : 4951 : ret->name = NULL;
94 : 4951 : ret->ex_flags = 0;
95 : 4951 : ret->ex_pathlen = -1;
96 : 4951 : ret->skid = NULL;
97 : 4951 : ret->akid = NULL;
98 : : #ifndef OPENSSL_NO_RFC3779
99 : : ret->rfc3779_addr = NULL;
100 : : ret->rfc3779_asid = NULL;
101 : : #endif
102 : 4951 : ret->aux = NULL;
103 : 4951 : ret->crldp = NULL;
104 : 4951 : CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
105 : 4951 : break;
106 : :
107 : : case ASN1_OP_D2I_POST:
108 [ - + ]: 4512 : if (ret->name != NULL) OPENSSL_free(ret->name);
109 : 4512 : ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);
110 : 4512 : break;
111 : :
112 : : case ASN1_OP_FREE_POST:
113 : 4951 : CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
114 : 4951 : X509_CERT_AUX_free(ret->aux);
115 : 4951 : ASN1_OCTET_STRING_free(ret->skid);
116 : 4951 : AUTHORITY_KEYID_free(ret->akid);
117 : 4951 : CRL_DIST_POINTS_free(ret->crldp);
118 : 4951 : policy_cache_free(ret->policy_cache);
119 : 4951 : GENERAL_NAMES_free(ret->altname);
120 : 4951 : 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 [ + + ]: 4951 : if (ret->name != NULL) OPENSSL_free(ret->name);
127 : : break;
128 : :
129 : : }
130 : :
131 : 47141 : 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 : 52876 : IMPLEMENT_ASN1_FUNCTIONS(X509)
142 : 0 : IMPLEMENT_ASN1_DUP_FUNCTION(X509)
143 : :
144 : 0 : 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 : 0 : return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509, argl, argp,
148 : : new_func, dup_func, free_func);
149 : : }
150 : :
151 : 0 : int X509_set_ex_data(X509 *r, int idx, void *arg)
152 : : {
153 : 0 : return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
154 : : }
155 : :
156 : 0 : void *X509_get_ex_data(X509 *r, int idx)
157 : : {
158 : 0 : 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 : 222 : 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 : 222 : q = *pp;
175 : 222 : ret = d2i_X509(a, pp, length);
176 : : /* If certificate unreadable then forget it */
177 [ + - ]: 222 : if(!ret) return NULL;
178 : : /* update length */
179 : 222 : length -= *pp - q;
180 [ - + ]: 222 : if(!length) return ret;
181 [ # # ]: 0 : if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;
182 : : return ret;
183 : : err:
184 : 0 : X509_free(ret);
185 : 0 : return NULL;
186 : : }
187 : :
188 : 0 : int i2d_X509_AUX(X509 *a, unsigned char **pp)
189 : : {
190 : : int length;
191 : 0 : length = i2d_X509(a, pp);
192 [ # # ]: 0 : if(a) length += i2d_X509_CERT_AUX(a->aux, pp);
193 : 0 : return length;
194 : : }
195 : :
196 : 0 : void X509_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg,
197 : : const X509 *x)
198 : : {
199 [ # # ]: 0 : if (psig)
200 : 0 : *psig = x->signature;
201 [ # # ]: 0 : if (palg)
202 : 0 : *palg = x->sig_alg;
203 : 0 : }
204 : :
205 : 2634 : int X509_get_signature_nid(const X509 *x)
206 : : {
207 : 2634 : return OBJ_obj2nid(x->sig_alg->algorithm);
208 : : }
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