1 /* crypto/asn1/a_type.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/asn1t.h>
62 #include <openssl/objects.h>
63
64 int ASN1_TYPE_get(ASN1_TYPE *a)
65 {
66 if ((a->value.ptr != NULL) || (a->type == V_ASN1_NULL))
67 return(a->type);
68 else
69 return(0);
70 }
71
72 void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value)
73 {
74 if (a->value.ptr != NULL)
75 {
76 ASN1_TYPE **tmp_a = &a;
77 ASN1_primitive_free((ASN1_VALUE **)tmp_a, NULL);
78 }
79 a->type=type;
80 if (type == V_ASN1_BOOLEAN)
81 a->value.boolean = value ? 0xff : 0;
82 else
83 a->value.ptr=value;
84 }
85
86 int ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value)
87 {
88 if (!value || (type == V_ASN1_BOOLEAN))
89 {
90 void *p = (void *)value;
91 ASN1_TYPE_set(a, type, p);
92 }
93 else if (type == V_ASN1_OBJECT)
94 {
95 ASN1_OBJECT *odup;
96 odup = OBJ_dup(value);
97 if (!odup)
98 return 0;
99 ASN1_TYPE_set(a, type, odup);
100 }
101 else
102 {
103 ASN1_STRING *sdup;
104 sdup = ASN1_STRING_dup(value);
105 if (!sdup)
106 return 0;
107 ASN1_TYPE_set(a, type, sdup);
108 }
109 return 1;
110 }
111
112 IMPLEMENT_STACK_OF(ASN1_TYPE)
113 IMPLEMENT_ASN1_SET_OF(ASN1_TYPE)
114
115 /* Returns 0 if they are equal, != 0 otherwise. */
116 int ASN1_TYPE_cmp(ASN1_TYPE *a, ASN1_TYPE *b)
117 {
118 int result = -1;
119
120 if (!a || !b || a->type != b->type) return -1;
121
122 switch (a->type)
123 {
124 case V_ASN1_OBJECT:
125 result = OBJ_cmp(a->value.object, b->value.object);
126 break;
127 case V_ASN1_NULL:
128 result = 0; /* They do not have content. */
129 break;
130 case V_ASN1_INTEGER:
131 case V_ASN1_NEG_INTEGER:
132 case V_ASN1_ENUMERATED:
133 case V_ASN1_NEG_ENUMERATED:
134 case V_ASN1_BIT_STRING:
135 case V_ASN1_OCTET_STRING:
136 case V_ASN1_SEQUENCE:
137 case V_ASN1_SET:
138 case V_ASN1_NUMERICSTRING:
139 case V_ASN1_PRINTABLESTRING:
140 case V_ASN1_T61STRING:
141 case V_ASN1_VIDEOTEXSTRING:
142 case V_ASN1_IA5STRING:
143 case V_ASN1_UTCTIME:
144 case V_ASN1_GENERALIZEDTIME:
145 case V_ASN1_GRAPHICSTRING:
146 case V_ASN1_VISIBLESTRING:
147 case V_ASN1_GENERALSTRING:
148 case V_ASN1_UNIVERSALSTRING:
149 case V_ASN1_BMPSTRING:
150 case V_ASN1_UTF8STRING:
151 case V_ASN1_OTHER:
152 default:
153 result = ASN1_STRING_cmp((ASN1_STRING *) a->value.ptr,
154 (ASN1_STRING *) b->value.ptr);
155 break;
156 }
157
158 return result;
159 }