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d02b48c6 | 1 | /* crypto/asn1/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. | |
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" | |
ec577822 | 61 | #include <openssl/evp.h> |
9d6b1ce6 | 62 | #include <openssl/asn1t.h> |
f0e8ae72 | 63 | #include <openssl/x509.h> |
2f043896 | 64 | #include <openssl/x509v3.h> |
d02b48c6 | 65 | |
56a3fec1 | 66 | static int x509_meth_num = 0; |
dd9d233e | 67 | static STACK_OF(CRYPTO_EX_DATA_FUNCS) *x509_meth = NULL; |
56a3fec1 | 68 | |
9d6b1ce6 DSH |
69 | ASN1_SEQUENCE(X509_CINF) = { |
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) | |
d339187b | 80 | } ASN1_SEQUENCE_END(X509_CINF) |
9d6b1ce6 DSH |
81 | |
82 | IMPLEMENT_ASN1_FUNCTIONS(X509_CINF) | |
83 | /* X509 top level structure needs a bit of customisation */ | |
84 | ||
85 | static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it) | |
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 | ret->aux = NULL; | |
99 | CRYPTO_new_ex_data(x509_meth, ret, &ret->ex_data); | |
100 | break; | |
101 | ||
102 | case ASN1_OP_D2I_POST: | |
103 | if (ret->name != NULL) OPENSSL_free(ret->name); | |
104 | ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0); | |
105 | break; | |
106 | ||
107 | case ASN1_OP_FREE_POST: | |
108 | CRYPTO_free_ex_data(x509_meth,ret,&ret->ex_data); | |
109 | X509_CERT_AUX_free(ret->aux); | |
110 | ASN1_OCTET_STRING_free(ret->skid); | |
111 | AUTHORITY_KEYID_free(ret->akid); | |
112 | ||
113 | if (ret->name != NULL) OPENSSL_free(ret->name); | |
114 | break; | |
d02b48c6 | 115 | |
d02b48c6 RE |
116 | } |
117 | ||
9d6b1ce6 | 118 | return 1; |
d02b48c6 | 119 | |
9d6b1ce6 | 120 | } |
d02b48c6 | 121 | |
9d6b1ce6 DSH |
122 | ASN1_SEQUENCE_ref(X509, x509_cb, CRYPTO_LOCK_X509) = { |
123 | ASN1_SIMPLE(X509, cert_info, X509_CINF), | |
124 | ASN1_SIMPLE(X509, sig_alg, X509_ALGOR), | |
125 | ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING) | |
d339187b | 126 | } ASN1_SEQUENCE_END_ref(X509, X509) |
d02b48c6 | 127 | |
9d6b1ce6 | 128 | IMPLEMENT_ASN1_FUNCTIONS(X509) |
1241126a | 129 | IMPLEMENT_ASN1_DUP_FUNCTION(X509) |
d02b48c6 | 130 | |
9d6b1ce6 DSH |
131 | static ASN1_METHOD meth={ |
132 | (int (*)()) i2d_X509, | |
133 | (char *(*)())d2i_X509, | |
134 | (char *(*)())X509_new, | |
135 | (void (*)()) X509_free}; | |
d02b48c6 | 136 | |
9d6b1ce6 | 137 | ASN1_METHOD *X509_asn1_meth(void) |
d02b48c6 | 138 | { |
9d6b1ce6 | 139 | return(&meth); |
d02b48c6 RE |
140 | } |
141 | ||
dd9d233e DSH |
142 | int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, |
143 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | |
56a3fec1 | 144 | { |
b7727ee6 GT |
145 | if(CRYPTO_get_ex_new_index(x509_meth_num, &x509_meth, argl, argp, |
146 | new_func, dup_func, free_func) < 0) | |
147 | return -1; | |
148 | return (x509_meth_num++); | |
56a3fec1 DSH |
149 | } |
150 | ||
dd9d233e | 151 | int X509_set_ex_data(X509 *r, int idx, void *arg) |
56a3fec1 DSH |
152 | { |
153 | return(CRYPTO_set_ex_data(&r->ex_data,idx,arg)); | |
154 | } | |
155 | ||
dd9d233e | 156 | void *X509_get_ex_data(X509 *r, int idx) |
56a3fec1 DSH |
157 | { |
158 | return(CRYPTO_get_ex_data(&r->ex_data,idx)); | |
159 | } | |
160 | ||
ce1b4fe1 DSH |
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, unsigned char **pp, long length) | |
170 | { | |
171 | 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 | } |