1/*
2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/objects.h>
13#include <openssl/asn1t.h>
14#include <openssl/x509.h>
15#include "x509_local.h"
16
17/*-
18 * X509_ATTRIBUTE: this has the following form:
19 *
20 * typedef struct x509_attributes_st
21 *      {
22 *      ASN1_OBJECT *object;
23 *      STACK_OF(ASN1_TYPE) *set;
24 *      } X509_ATTRIBUTE;
25 *
26 */
27
28ASN1_SEQUENCE(X509_ATTRIBUTE) = {
29        ASN1_SIMPLE(X509_ATTRIBUTE, object, ASN1_OBJECT),
30        ASN1_SET_OF(X509_ATTRIBUTE, set, ASN1_ANY)
31} ASN1_SEQUENCE_END(X509_ATTRIBUTE)
32
33IMPLEMENT_ASN1_FUNCTIONS(X509_ATTRIBUTE)
34IMPLEMENT_ASN1_DUP_FUNCTION(X509_ATTRIBUTE)
35
36X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value)
37{
38    X509_ATTRIBUTE *ret = NULL;
39    ASN1_TYPE *val = NULL;
40    ASN1_OBJECT *oid;
41
42    if ((oid = OBJ_nid2obj(nid)) == NULL)
43        return NULL;
44    if ((ret = X509_ATTRIBUTE_new()) == NULL)
45        return NULL;
46    ret->object = oid;
47    if ((val = ASN1_TYPE_new()) == NULL)
48        goto err;
49    if (!sk_ASN1_TYPE_push(ret->set, val))
50        goto err;
51
52    ASN1_TYPE_set(val, atrtype, value);
53    return ret;
54 err:
55    X509_ATTRIBUTE_free(ret);
56    ASN1_TYPE_free(val);
57    return NULL;
58}
59