/*

 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#include <stdio.h>

#include "internal/cryptlib.h"

#include <openssl/objects.h>

#include <openssl/asn1t.h>

#include <openssl/x509.h>

#include "x509_local.h"

/*-

 * X509_ATTRIBUTE: this has the following form:

 *

 * typedef struct x509_attributes_st

 *      {

 *      ASN1_OBJECT *object;

 *      STACK_OF(ASN1_TYPE) *set;

 *      } X509_ATTRIBUTE;

 *

 */

ASN1_SEQUENCE(X509_ATTRIBUTE) = {

        ASN1_SIMPLE(X509_ATTRIBUTE, object, ASN1_OBJECT),

        ASN1_SET_OF(X509_ATTRIBUTE, set, ASN1_ANY)

} ASN1_SEQUENCE_END(X509_ATTRIBUTE)

IMPLEMENT_ASN1_FUNCTIONS(X509_ATTRIBUTE)

IMPLEMENT_ASN1_DUP_FUNCTION(X509_ATTRIBUTE)

X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value)

{

    X509_ATTRIBUTE *ret = NULL;

    ASN1_TYPE *val = NULL;

    ASN1_OBJECT *oid;

    if ((oid = OBJ_nid2obj(nid)) == NULL)

        return NULL;

    if ((ret = X509_ATTRIBUTE_new()) == NULL)

        return NULL;

    ret->object = oid;

    if ((val = ASN1_TYPE_new()) == NULL)

        goto err;

    if (!sk_ASN1_TYPE_push(ret->set, val))

        goto err;

    ASN1_TYPE_set(val, atrtype, value);

    return ret;

 err:

    X509_ATTRIBUTE_free(ret);

    ASN1_TYPE_free(val);

    return NULL;

}