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/* crypto/asn1/x_x509.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.] */
#include <stdio.h>
#include <openssl/asn1t.h>
#include <openssl/evp.h>
#include <openssl/mem.h>
#include <openssl/obj.h>
#include <openssl/thread.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include "../internal.h"
static CRYPTO_EX_DATA_CLASS g_ex_data_class = CRYPTO_EX_DATA_CLASS_INIT;
ASN1_SEQUENCE_enc(X509_CINF, enc, 0) = {
ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0),
ASN1_SIMPLE(X509_CINF, serialNumber, ASN1_INTEGER),
ASN1_SIMPLE(X509_CINF, signature, X509_ALGOR),
ASN1_SIMPLE(X509_CINF, issuer, X509_NAME),
ASN1_SIMPLE(X509_CINF, validity, X509_VAL),
ASN1_SIMPLE(X509_CINF, subject, X509_NAME),
ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY),
ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1),
ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2),
ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3)
} ASN1_SEQUENCE_END_enc(X509_CINF, X509_CINF)
IMPLEMENT_ASN1_FUNCTIONS(X509_CINF)
/* X509 top level structure needs a bit of customisation */
extern void policy_cache_free(X509_POLICY_CACHE *cache);
static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
void *exarg)
{
X509 *ret = (X509 *)*pval;
switch(operation) {
case ASN1_OP_NEW_POST:
ret->valid=0;
ret->name = NULL;
ret->ex_flags = 0;
ret->ex_pathlen = -1;
ret->skid = NULL;
ret->akid = NULL;
ret->aux = NULL;
ret->crldp = NULL;
CRYPTO_new_ex_data(&g_ex_data_class, ret, &ret->ex_data);
break;
case ASN1_OP_D2I_POST:
if (ret->name != NULL) OPENSSL_free(ret->name);
ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);
break;
case ASN1_OP_FREE_POST:
CRYPTO_free_ex_data(&g_ex_data_class, ret, &ret->ex_data);
X509_CERT_AUX_free(ret->aux);
ASN1_OCTET_STRING_free(ret->skid);
AUTHORITY_KEYID_free(ret->akid);
CRL_DIST_POINTS_free(ret->crldp);
policy_cache_free(ret->policy_cache);
GENERAL_NAMES_free(ret->altname);
NAME_CONSTRAINTS_free(ret->nc);
if (ret->name != NULL) OPENSSL_free(ret->name);
break;
}
return 1;
}
ASN1_SEQUENCE_ref(X509, x509_cb, CRYPTO_LOCK_X509) = {
ASN1_SIMPLE(X509, cert_info, X509_CINF),
ASN1_SIMPLE(X509, sig_alg, X509_ALGOR),
ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING)
} ASN1_SEQUENCE_END_ref(X509, X509)
IMPLEMENT_ASN1_FUNCTIONS(X509)
IMPLEMENT_ASN1_DUP_FUNCTION(X509)
X509 *X509_up_ref(X509 *x)
{
CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
return x;
}
int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
int index;
if (!CRYPTO_get_ex_new_index(&g_ex_data_class, &index, argl, argp,
new_func, dup_func, free_func))
{
return -1;
}
return index;
}
int X509_set_ex_data(X509 *r, int idx, void *arg)
{
return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
}
void *X509_get_ex_data(X509 *r, int idx)
{
return(CRYPTO_get_ex_data(&r->ex_data,idx));
}
/* X509_AUX ASN1 routines. X509_AUX is the name given to
* a certificate with extra info tagged on the end. Since these
* functions set how a certificate is trusted they should only
* be used when the certificate comes from a reliable source
* such as local storage.
*
*/
X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
{
const unsigned char *q;
X509 *ret;
int freeret = 0;
/* Save start position */
q = *pp;
if (!a || *a == NULL)
freeret = 1;
ret = d2i_X509(a, pp, length);
/* If certificate unreadable then forget it */
if(!ret) return NULL;
/* update length */
length -= *pp - q;
if(!length) return ret;
if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;
return ret;
err:
if (freeret)
{
X509_free(ret);
if (a)
*a = NULL;
}
return NULL;
}
int i2d_X509_AUX(X509 *a, unsigned char **pp)
{
int length;
length = i2d_X509(a, pp);
if(a) length += i2d_X509_CERT_AUX(a->aux, pp);
return length;
}
void X509_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg,
const X509 *x)
{
if (psig)
*psig = x->signature;
if (palg)
*palg = x->sig_alg;
}
int X509_get_signature_nid(const X509 *x)
{
return OBJ_obj2nid(x->sig_alg->algorithm);
}