yuzu/externals/libressl/crypto/asn1/x_x509a.c

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2020-12-28 19:15:37 +04:00
/* $OpenBSD: x_x509a.c,v 1.15 2018/05/01 19:01:27 tb Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 1999.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
*
* 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 above 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 acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <openssl/asn1t.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
/* X509_CERT_AUX routines. These are used to encode additional
* user modifiable data about a certificate. This data is
* appended to the X509 encoding when the *_X509_AUX routines
* are used. This means that the "traditional" X509 routines
* will simply ignore the extra data.
*/
static X509_CERT_AUX *aux_get(X509 *x);
static const ASN1_TEMPLATE X509_CERT_AUX_seq_tt[] = {
{
.flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
.offset = offsetof(X509_CERT_AUX, trust),
.field_name = "trust",
.item = &ASN1_OBJECT_it,
},
{
.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF |
ASN1_TFLG_OPTIONAL,
.tag = 0,
.offset = offsetof(X509_CERT_AUX, reject),
.field_name = "reject",
.item = &ASN1_OBJECT_it,
},
{
.flags = ASN1_TFLG_OPTIONAL,
.offset = offsetof(X509_CERT_AUX, alias),
.field_name = "alias",
.item = &ASN1_UTF8STRING_it,
},
{
.flags = ASN1_TFLG_OPTIONAL,
.offset = offsetof(X509_CERT_AUX, keyid),
.field_name = "keyid",
.item = &ASN1_OCTET_STRING_it,
},
{
.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF |
ASN1_TFLG_OPTIONAL,
.tag = 1,
.offset = offsetof(X509_CERT_AUX, other),
.field_name = "other",
.item = &X509_ALGOR_it,
},
};
const ASN1_ITEM X509_CERT_AUX_it = {
.itype = ASN1_ITYPE_SEQUENCE,
.utype = V_ASN1_SEQUENCE,
.templates = X509_CERT_AUX_seq_tt,
.tcount = sizeof(X509_CERT_AUX_seq_tt) / sizeof(ASN1_TEMPLATE),
.size = sizeof(X509_CERT_AUX),
.sname = "X509_CERT_AUX",
};
X509_CERT_AUX *
d2i_X509_CERT_AUX(X509_CERT_AUX **a, const unsigned char **in, long len)
{
return (X509_CERT_AUX *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
&X509_CERT_AUX_it);
}
int
i2d_X509_CERT_AUX(X509_CERT_AUX *a, unsigned char **out)
{
return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_CERT_AUX_it);
}
X509_CERT_AUX *
X509_CERT_AUX_new(void)
{
return (X509_CERT_AUX *)ASN1_item_new(&X509_CERT_AUX_it);
}
void
X509_CERT_AUX_free(X509_CERT_AUX *a)
{
ASN1_item_free((ASN1_VALUE *)a, &X509_CERT_AUX_it);
}
static X509_CERT_AUX *
aux_get(X509 *x)
{
if (!x)
return NULL;
if (!x->aux && !(x->aux = X509_CERT_AUX_new()))
return NULL;
return x->aux;
}
int
X509_alias_set1(X509 *x, const unsigned char *name, int len)
{
X509_CERT_AUX *aux;
if (!name) {
if (!x || !x->aux || !x->aux->alias)
return 1;
ASN1_UTF8STRING_free(x->aux->alias);
x->aux->alias = NULL;
return 1;
}
if (!(aux = aux_get(x)))
return 0;
if (!aux->alias && !(aux->alias = ASN1_UTF8STRING_new()))
return 0;
return ASN1_STRING_set(aux->alias, name, len);
}
int
X509_keyid_set1(X509 *x, const unsigned char *id, int len)
{
X509_CERT_AUX *aux;
if (!id) {
if (!x || !x->aux || !x->aux->keyid)
return 1;
ASN1_OCTET_STRING_free(x->aux->keyid);
x->aux->keyid = NULL;
return 1;
}
if (!(aux = aux_get(x)))
return 0;
if (!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new()))
return 0;
return ASN1_STRING_set(aux->keyid, id, len);
}
unsigned char *
X509_alias_get0(X509 *x, int *len)
{
if (!x->aux || !x->aux->alias)
return NULL;
if (len)
*len = x->aux->alias->length;
return x->aux->alias->data;
}
unsigned char *
X509_keyid_get0(X509 *x, int *len)
{
if (!x->aux || !x->aux->keyid)
return NULL;
if (len)
*len = x->aux->keyid->length;
return x->aux->keyid->data;
}
int
X509_add1_trust_object(X509 *x, const ASN1_OBJECT *obj)
{
X509_CERT_AUX *aux;
ASN1_OBJECT *objtmp;
int rc;
if (!(objtmp = OBJ_dup(obj)))
return 0;
if (!(aux = aux_get(x)))
goto err;
if (!aux->trust && !(aux->trust = sk_ASN1_OBJECT_new_null()))
goto err;
rc = sk_ASN1_OBJECT_push(aux->trust, objtmp);
if (rc != 0)
return rc;
err:
ASN1_OBJECT_free(objtmp);
return 0;
}
int
X509_add1_reject_object(X509 *x, const ASN1_OBJECT *obj)
{
X509_CERT_AUX *aux;
ASN1_OBJECT *objtmp;
int rc;
if (!(objtmp = OBJ_dup(obj)))
return 0;
if (!(aux = aux_get(x)))
goto err;
if (!aux->reject && !(aux->reject = sk_ASN1_OBJECT_new_null()))
goto err;
rc = sk_ASN1_OBJECT_push(aux->reject, objtmp);
if (rc != 0)
return rc;
err:
ASN1_OBJECT_free(objtmp);
return 0;
}
void
X509_trust_clear(X509 *x)
{
if (x->aux && x->aux->trust) {
sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free);
x->aux->trust = NULL;
}
}
void
X509_reject_clear(X509 *x)
{
if (x->aux && x->aux->reject) {
sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free);
x->aux->reject = NULL;
}
}
static const ASN1_TEMPLATE X509_CERT_PAIR_seq_tt[] = {
{
.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
.tag = 0,
.offset = offsetof(X509_CERT_PAIR, forward),
.field_name = "forward",
.item = &X509_it,
},
{
.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
.tag = 1,
.offset = offsetof(X509_CERT_PAIR, reverse),
.field_name = "reverse",
.item = &X509_it,
},
};
const ASN1_ITEM X509_CERT_PAIR_it = {
.itype = ASN1_ITYPE_SEQUENCE,
.utype = V_ASN1_SEQUENCE,
.templates = X509_CERT_PAIR_seq_tt,
.tcount = sizeof(X509_CERT_PAIR_seq_tt) / sizeof(ASN1_TEMPLATE),
.funcs = NULL,
.size = sizeof(X509_CERT_PAIR),
.sname = "X509_CERT_PAIR",
};
X509_CERT_PAIR *
d2i_X509_CERT_PAIR(X509_CERT_PAIR **a, const unsigned char **in, long len)
{
return (X509_CERT_PAIR *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
&X509_CERT_PAIR_it);
}
int
i2d_X509_CERT_PAIR(X509_CERT_PAIR *a, unsigned char **out)
{
return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_CERT_PAIR_it);
}
X509_CERT_PAIR *
X509_CERT_PAIR_new(void)
{
return (X509_CERT_PAIR *)ASN1_item_new(&X509_CERT_PAIR_it);
}
void
X509_CERT_PAIR_free(X509_CERT_PAIR *a)
{
ASN1_item_free((ASN1_VALUE *)a, &X509_CERT_PAIR_it);
}