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1 /*
2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (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 
28 ASN1_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 
33 IMPLEMENT_ASN1_FUNCTIONS(X509_ATTRIBUTE)
34 IMPLEMENT_ASN1_DUP_FUNCTION(X509_ATTRIBUTE)
35 
36 X509_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