// Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//     https://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

#include <openssl/asn1.h>

#include <openssl/asn1t.h>

#include <openssl/obj.h>

#include <openssl/x509.h>

#include "internal.h"

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_const(X509_ATTRIBUTE)

IMPLEMENT_ASN1_DUP_FUNCTION_const(X509_ATTRIBUTE)

X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int attrtype, void *value) {

  ASN1_OBJECT *obj = OBJ_nid2obj(nid);

  if (obj == nullptr) {

    return nullptr;

  }

  X509_ATTRIBUTE *ret = X509_ATTRIBUTE_new();

  ASN1_TYPE *val = ASN1_TYPE_new();

  if (ret == nullptr || val == nullptr) {

    goto err;

  }

  ret->object = obj;

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

    goto err;

  }

  ASN1_TYPE_set(val, attrtype, value);

  return ret;

err:

  X509_ATTRIBUTE_free(ret);

  ASN1_TYPE_free(val);

  return nullptr;

}