1 /* crypto/asn1/x_x509.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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(X509_CINF) = { 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(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 } 195
