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2aa707c6 | 1 | /* crypto/x509/x_x509.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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. | |
0f113f3e | 8 | * |
d02b48c6 RE |
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). | |
0f113f3e | 15 | * |
d02b48c6 RE |
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. | |
0f113f3e | 22 | * |
d02b48c6 RE |
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 :-). | |
0f113f3e | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 40 | * |
d02b48c6 RE |
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. | |
0f113f3e | 52 | * |
d02b48c6 RE |
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> | |
b39fc560 | 60 | #include "internal/cryptlib.h" |
ec577822 | 61 | #include <openssl/evp.h> |
9d6b1ce6 | 62 | #include <openssl/asn1t.h> |
f0e8ae72 | 63 | #include <openssl/x509.h> |
2f043896 | 64 | #include <openssl/x509v3.h> |
94e84f5e | 65 | #include "internal/x509_int.h" |
d02b48c6 | 66 | |
39239280 | 67 | ASN1_SEQUENCE_enc(X509_CINF, enc, 0) = { |
0f113f3e | 68 | ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0), |
81e49438 | 69 | ASN1_EMBED(X509_CINF, serialNumber, ASN1_INTEGER), |
6e63c142 | 70 | ASN1_EMBED(X509_CINF, signature, X509_ALGOR), |
0f113f3e | 71 | ASN1_SIMPLE(X509_CINF, issuer, X509_NAME), |
2869e79f | 72 | ASN1_EMBED(X509_CINF, validity, X509_VAL), |
0f113f3e MC |
73 | ASN1_SIMPLE(X509_CINF, subject, X509_NAME), |
74 | ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY), | |
75 | ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1), | |
76 | ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2), | |
77 | ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3) | |
39239280 | 78 | } ASN1_SEQUENCE_END_enc(X509_CINF, X509_CINF) |
9d6b1ce6 DSH |
79 | |
80 | IMPLEMENT_ASN1_FUNCTIONS(X509_CINF) | |
81 | /* X509 top level structure needs a bit of customisation */ | |
82 | ||
4acc3e90 DSH |
83 | extern void policy_cache_free(X509_POLICY_CACHE *cache); |
84 | ||
24484759 | 85 | static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
0f113f3e | 86 | void *exarg) |
9d6b1ce6 | 87 | { |
0f113f3e | 88 | X509 *ret = (X509 *)*pval; |
9d6b1ce6 | 89 | |
0f113f3e | 90 | switch (operation) { |
9d6b1ce6 | 91 | |
0f113f3e MC |
92 | case ASN1_OP_NEW_POST: |
93 | ret->valid = 0; | |
94 | ret->name = NULL; | |
95 | ret->ex_flags = 0; | |
96 | ret->ex_pathlen = -1; | |
97 | ret->skid = NULL; | |
98 | ret->akid = NULL; | |
47bbaa5b | 99 | #ifndef OPENSSL_NO_RFC3779 |
0f113f3e MC |
100 | ret->rfc3779_addr = NULL; |
101 | ret->rfc3779_asid = NULL; | |
47bbaa5b | 102 | #endif |
0f113f3e MC |
103 | ret->aux = NULL; |
104 | ret->crldp = NULL; | |
105 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data); | |
106 | break; | |
107 | ||
108 | case ASN1_OP_D2I_POST: | |
b548a1f1 | 109 | OPENSSL_free(ret->name); |
5cf6abd8 | 110 | ret->name = X509_NAME_oneline(ret->cert_info.subject, NULL, 0); |
0f113f3e MC |
111 | break; |
112 | ||
113 | case ASN1_OP_FREE_POST: | |
114 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data); | |
115 | X509_CERT_AUX_free(ret->aux); | |
116 | ASN1_OCTET_STRING_free(ret->skid); | |
117 | AUTHORITY_KEYID_free(ret->akid); | |
118 | CRL_DIST_POINTS_free(ret->crldp); | |
119 | policy_cache_free(ret->policy_cache); | |
120 | GENERAL_NAMES_free(ret->altname); | |
121 | NAME_CONSTRAINTS_free(ret->nc); | |
47bbaa5b | 122 | #ifndef OPENSSL_NO_RFC3779 |
0f113f3e MC |
123 | sk_IPAddressFamily_pop_free(ret->rfc3779_addr, IPAddressFamily_free); |
124 | ASIdentifiers_free(ret->rfc3779_asid); | |
47bbaa5b | 125 | #endif |
b548a1f1 | 126 | OPENSSL_free(ret->name); |
0f113f3e | 127 | break; |
d02b48c6 | 128 | |
0f113f3e | 129 | } |
d02b48c6 | 130 | |
0f113f3e | 131 | return 1; |
d02b48c6 | 132 | |
9d6b1ce6 | 133 | } |
d02b48c6 | 134 | |
9d6b1ce6 | 135 | ASN1_SEQUENCE_ref(X509, x509_cb, CRYPTO_LOCK_X509) = { |
5cf6abd8 | 136 | ASN1_EMBED(X509, cert_info, X509_CINF), |
6e63c142 | 137 | ASN1_EMBED(X509, sig_alg, X509_ALGOR), |
81e49438 | 138 | ASN1_EMBED(X509, signature, ASN1_BIT_STRING) |
d339187b | 139 | } ASN1_SEQUENCE_END_ref(X509, X509) |
d02b48c6 | 140 | |
9d6b1ce6 | 141 | IMPLEMENT_ASN1_FUNCTIONS(X509) |
0f113f3e | 142 | |
1241126a | 143 | IMPLEMENT_ASN1_DUP_FUNCTION(X509) |
d02b48c6 | 144 | |
dd9d233e | 145 | int X509_set_ex_data(X509 *r, int idx, void *arg) |
0f113f3e MC |
146 | { |
147 | return (CRYPTO_set_ex_data(&r->ex_data, idx, arg)); | |
148 | } | |
56a3fec1 | 149 | |
dd9d233e | 150 | void *X509_get_ex_data(X509 *r, int idx) |
0f113f3e MC |
151 | { |
152 | return (CRYPTO_get_ex_data(&r->ex_data, idx)); | |
153 | } | |
154 | ||
155 | /* | |
156 | * X509_AUX ASN1 routines. X509_AUX is the name given to a certificate with | |
157 | * extra info tagged on the end. Since these functions set how a certificate | |
158 | * is trusted they should only be used when the certificate comes from a | |
159 | * reliable source such as local storage. | |
ce1b4fe1 DSH |
160 | */ |
161 | ||
875a644a | 162 | X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length) |
ce1b4fe1 | 163 | { |
0f113f3e MC |
164 | const unsigned char *q; |
165 | X509 *ret; | |
5e5d53d3 MC |
166 | int freeret = 0; |
167 | ||
0f113f3e MC |
168 | /* Save start position */ |
169 | q = *pp; | |
5e5d53d3 | 170 | |
cc99bfa7 | 171 | if (a == NULL || *a == NULL) |
5e5d53d3 | 172 | freeret = 1; |
a46c9789 | 173 | ret = d2i_X509(a, &q, length); |
0f113f3e | 174 | /* If certificate unreadable then forget it */ |
cc99bfa7 | 175 | if (ret == NULL) |
0f113f3e MC |
176 | return NULL; |
177 | /* update length */ | |
a46c9789 | 178 | length -= q - *pp; |
605236f6 | 179 | if (length > 0 && !d2i_X509_CERT_AUX(&ret->aux, &q, length)) |
0f113f3e | 180 | goto err; |
a46c9789 | 181 | *pp = q; |
0f113f3e MC |
182 | return ret; |
183 | err: | |
61986d32 | 184 | if (freeret) { |
5e5d53d3 MC |
185 | X509_free(ret); |
186 | if (a) | |
187 | *a = NULL; | |
188 | } | |
0f113f3e | 189 | return NULL; |
ce1b4fe1 DSH |
190 | } |
191 | ||
192 | int i2d_X509_AUX(X509 *a, unsigned char **pp) | |
193 | { | |
0f113f3e MC |
194 | int length; |
195 | length = i2d_X509(a, pp); | |
196 | if (a) | |
197 | length += i2d_X509_CERT_AUX(a->aux, pp); | |
198 | return length; | |
ce1b4fe1 | 199 | } |
dfcf48f4 | 200 | |
95b1752c | 201 | int i2d_re_X509_tbs(X509 *x, unsigned char **pp) |
0f113f3e | 202 | { |
5cf6abd8 DSH |
203 | x->cert_info.enc.modified = 1; |
204 | return i2d_X509_CINF(&x->cert_info, pp); | |
0f113f3e | 205 | } |
95b1752c | 206 | |
6e63c142 | 207 | void X509_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg, X509 *x) |
0f113f3e MC |
208 | { |
209 | if (psig) | |
81e49438 | 210 | *psig = &x->signature; |
0f113f3e | 211 | if (palg) |
6e63c142 | 212 | *palg = &x->sig_alg; |
0f113f3e | 213 | } |
dfcf48f4 DSH |
214 | |
215 | int X509_get_signature_nid(const X509 *x) | |
0f113f3e | 216 | { |
6e63c142 | 217 | return OBJ_obj2nid(x->sig_alg.algorithm); |
0f113f3e | 218 | } |