Line data Source code
1 : /* crypto/asn1/x_attrib.c */
2 : /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 : * All rights reserved.
4 : *
5 : * This package is an SSL implementation written
6 : * by Eric Young (eay@cryptsoft.com).
7 : * The implementation was written so as to conform with Netscapes SSL.
8 : *
9 : * This library is free for commercial and non-commercial use as long as
10 : * the following conditions are aheared to. The following conditions
11 : * apply to all code found in this distribution, be it the RC4, RSA,
12 : * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 : * included with this distribution is covered by the same copyright terms
14 : * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 : *
16 : * Copyright remains Eric Young's, and as such any Copyright notices in
17 : * the code are not to be removed.
18 : * If this package is used in a product, Eric Young should be given attribution
19 : * as the author of the parts of the library used.
20 : * This can be in the form of a textual message at program startup or
21 : * in documentation (online or textual) provided with the package.
22 : *
23 : * Redistribution and use in source and binary forms, with or without
24 : * modification, are permitted provided that the following conditions
25 : * are met:
26 : * 1. Redistributions of source code must retain the copyright
27 : * notice, this list of conditions and the following disclaimer.
28 : * 2. Redistributions in binary form must reproduce the above copyright
29 : * notice, this list of conditions and the following disclaimer in the
30 : * documentation and/or other materials provided with the distribution.
31 : * 3. All advertising materials mentioning features or use of this software
32 : * must display the following acknowledgement:
33 : * "This product includes cryptographic software written by
34 : * Eric Young (eay@cryptsoft.com)"
35 : * The word 'cryptographic' can be left out if the rouines from the library
36 : * being used are not cryptographic related :-).
37 : * 4. If you include any Windows specific code (or a derivative thereof) from
38 : * the apps directory (application code) you must include an acknowledgement:
39 : * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 : *
41 : * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 : * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 : * SUCH DAMAGE.
52 : *
53 : * The licence and distribution terms for any publically available version or
54 : * derivative of this code cannot be changed. i.e. this code cannot simply be
55 : * copied and put under another distribution licence
56 : * [including the GNU Public Licence.]
57 : */
58 :
59 : #include <stdio.h>
60 : #include "cryptlib.h"
61 : #include <openssl/objects.h>
62 : #include <openssl/asn1t.h>
63 : #include <openssl/x509.h>
64 :
65 : /*-
66 : * X509_ATTRIBUTE: this has the following form:
67 : *
68 : * typedef struct x509_attributes_st
69 : * {
70 : * ASN1_OBJECT *object;
71 : * int single;
72 : * union {
73 : * char *ptr;
74 : * STACK_OF(ASN1_TYPE) *set;
75 : * ASN1_TYPE *single;
76 : * } value;
77 : * } X509_ATTRIBUTE;
78 : *
79 : * this needs some extra thought because the CHOICE type is
80 : * merged with the main structure and because the value can
81 : * be anything at all we *must* try the SET OF first because
82 : * the ASN1_ANY type will swallow anything including the whole
83 : * SET OF structure.
84 : */
85 :
86 : ASN1_CHOICE(X509_ATTRIBUTE_SET) = {
87 : ASN1_SET_OF(X509_ATTRIBUTE, value.set, ASN1_ANY),
88 : ASN1_SIMPLE(X509_ATTRIBUTE, value.single, ASN1_ANY)
89 : } ASN1_CHOICE_END_selector(X509_ATTRIBUTE, X509_ATTRIBUTE_SET, single)
90 :
91 : ASN1_SEQUENCE(X509_ATTRIBUTE) = {
92 : ASN1_SIMPLE(X509_ATTRIBUTE, object, ASN1_OBJECT),
93 : /* CHOICE type merged with parent */
94 : ASN1_EX_COMBINE(0, 0, X509_ATTRIBUTE_SET)
95 : } ASN1_SEQUENCE_END(X509_ATTRIBUTE)
96 :
97 0 : IMPLEMENT_ASN1_FUNCTIONS(X509_ATTRIBUTE)
98 0 : IMPLEMENT_ASN1_DUP_FUNCTION(X509_ATTRIBUTE)
99 :
100 0 : X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value)
101 : {
102 : X509_ATTRIBUTE *ret = NULL;
103 : ASN1_TYPE *val = NULL;
104 :
105 0 : if ((ret = X509_ATTRIBUTE_new()) == NULL)
106 : return (NULL);
107 0 : ret->object = OBJ_nid2obj(nid);
108 0 : ret->single = 0;
109 0 : if ((ret->value.set = sk_ASN1_TYPE_new_null()) == NULL)
110 : goto err;
111 0 : if ((val = ASN1_TYPE_new()) == NULL)
112 : goto err;
113 0 : if (!sk_ASN1_TYPE_push(ret->value.set, val))
114 : goto err;
115 :
116 0 : ASN1_TYPE_set(val, atrtype, value);
117 0 : return (ret);
118 : err:
119 0 : if (ret != NULL)
120 : X509_ATTRIBUTE_free(ret);
121 0 : if (val != NULL)
122 0 : ASN1_TYPE_free(val);
123 : return (NULL);
124 : }
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