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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 /* X509_ATTRIBUTE: this has the following form: | |
66 * | |
67 * typedef struct x509_attributes_st | |
68 * { | |
69 * ASN1_OBJECT *object; | |
70 * int single; | |
71 * union { | |
72 * char *ptr; | |
73 * STACK_OF(ASN1_TYPE) *set; | |
74 * ASN1_TYPE *single; | |
75 * } value; | |
76 * } X509_ATTRIBUTE; | |
77 * | |
78 * this needs some extra thought because the CHOICE type is | |
79 * merged with the main structure and because the value can | |
80 * be anything at all we *must* try the SET OF first because | |
81 * the ASN1_ANY type will swallow anything including the whole | |
82 * SET OF structure. | |
83 */ | |
84 | |
85 ASN1_CHOICE(X509_ATTRIBUTE_SET) = { | |
86 ASN1_SET_OF(X509_ATTRIBUTE, value.set, ASN1_ANY), | |
87 ASN1_SIMPLE(X509_ATTRIBUTE, value.single, ASN1_ANY) | |
88 } ASN1_CHOICE_END_selector(X509_ATTRIBUTE, X509_ATTRIBUTE_SET, single) | |
89 | |
90 ASN1_SEQUENCE(X509_ATTRIBUTE) = { | |
91 ASN1_SIMPLE(X509_ATTRIBUTE, object, ASN1_OBJECT), | |
92 /* CHOICE type merged with parent */ | |
93 ASN1_EX_COMBINE(0, 0, X509_ATTRIBUTE_SET) | |
94 } ASN1_SEQUENCE_END(X509_ATTRIBUTE) | |
95 | |
96 IMPLEMENT_ASN1_FUNCTIONS(X509_ATTRIBUTE) | |
97 IMPLEMENT_ASN1_DUP_FUNCTION(X509_ATTRIBUTE) | |
98 | |
99 X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value) | |
100 { | |
101 X509_ATTRIBUTE *ret=NULL; | |
102 ASN1_TYPE *val=NULL; | |
103 | |
104 if ((ret=X509_ATTRIBUTE_new()) == NULL) | |
105 return(NULL); | |
106 ret->object=OBJ_nid2obj(nid); | |
107 ret->single=0; | |
108 if ((ret->value.set=sk_ASN1_TYPE_new_null()) == NULL) goto err; | |
109 if ((val=ASN1_TYPE_new()) == NULL) goto err; | |
110 if (!sk_ASN1_TYPE_push(ret->value.set,val)) goto err; | |
111 | |
112 ASN1_TYPE_set(val,atrtype,value); | |
113 return(ret); | |
114 err: | |
115 if (ret != NULL) X509_ATTRIBUTE_free(ret); | |
116 if (val != NULL) ASN1_TYPE_free(val); | |
117 return(NULL); | |
118 } | |
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