192 lines
6.7 KiB
C
192 lines
6.7 KiB
C
/* crypto/asn1/x_x509.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include "cryptlib.h"
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#include <openssl/evp.h>
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#include <openssl/asn1t.h>
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#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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ASN1_SEQUENCE(X509_CINF) = {
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ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0),
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ASN1_SIMPLE(X509_CINF, serialNumber, ASN1_INTEGER),
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ASN1_SIMPLE(X509_CINF, signature, X509_ALGOR),
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ASN1_SIMPLE(X509_CINF, issuer, X509_NAME),
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ASN1_SIMPLE(X509_CINF, validity, X509_VAL),
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ASN1_SIMPLE(X509_CINF, subject, X509_NAME),
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ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY),
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ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1),
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ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2),
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ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3)
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} ASN1_SEQUENCE_END(X509_CINF)
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IMPLEMENT_ASN1_FUNCTIONS(X509_CINF)
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/* X509 top level structure needs a bit of customisation */
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extern void policy_cache_free(X509_POLICY_CACHE *cache);
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static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
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void *exarg)
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{
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X509 *ret = (X509 *)*pval;
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switch(operation) {
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case ASN1_OP_NEW_POST:
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ret->valid=0;
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ret->name = NULL;
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ret->ex_flags = 0;
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ret->ex_pathlen = -1;
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ret->skid = NULL;
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ret->akid = NULL;
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#ifndef OPENSSL_NO_RFC3779
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ret->rfc3779_addr = NULL;
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ret->rfc3779_asid = NULL;
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#endif
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ret->aux = NULL;
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ret->crldp = NULL;
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CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
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break;
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case ASN1_OP_D2I_POST:
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if (ret->name != NULL) OPENSSL_free(ret->name);
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ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);
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break;
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case ASN1_OP_FREE_POST:
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CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
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X509_CERT_AUX_free(ret->aux);
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ASN1_OCTET_STRING_free(ret->skid);
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AUTHORITY_KEYID_free(ret->akid);
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CRL_DIST_POINTS_free(ret->crldp);
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policy_cache_free(ret->policy_cache);
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#ifndef OPENSSL_NO_RFC3779
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sk_IPAddressFamily_pop_free(ret->rfc3779_addr, IPAddressFamily_free);
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ASIdentifiers_free(ret->rfc3779_asid);
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#endif
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if (ret->name != NULL) OPENSSL_free(ret->name);
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break;
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}
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return 1;
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}
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ASN1_SEQUENCE_ref(X509, x509_cb, CRYPTO_LOCK_X509) = {
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ASN1_SIMPLE(X509, cert_info, X509_CINF),
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ASN1_SIMPLE(X509, sig_alg, X509_ALGOR),
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ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING)
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} ASN1_SEQUENCE_END_ref(X509, X509)
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IMPLEMENT_ASN1_FUNCTIONS(X509)
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IMPLEMENT_ASN1_DUP_FUNCTION(X509)
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int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
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CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
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{
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return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509, argl, argp,
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new_func, dup_func, free_func);
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}
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int X509_set_ex_data(X509 *r, int idx, void *arg)
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{
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return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
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}
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void *X509_get_ex_data(X509 *r, int idx)
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{
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return(CRYPTO_get_ex_data(&r->ex_data,idx));
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}
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/* X509_AUX ASN1 routines. X509_AUX is the name given to
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* a certificate with extra info tagged on the end. Since these
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* functions set how a certificate is trusted they should only
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* be used when the certificate comes from a reliable source
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* such as local storage.
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*
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*/
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X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
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{
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const unsigned char *q;
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X509 *ret;
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/* Save start position */
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q = *pp;
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ret = d2i_X509(a, pp, length);
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/* If certificate unreadable then forget it */
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if(!ret) return NULL;
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/* update length */
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length -= *pp - q;
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if(!length) return ret;
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if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;
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return ret;
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err:
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X509_free(ret);
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return NULL;
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}
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int i2d_X509_AUX(X509 *a, unsigned char **pp)
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{
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int length;
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length = i2d_X509(a, pp);
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if(a) length += i2d_X509_CERT_AUX(a->aux, pp);
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return length;
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}
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