Line data Source code
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 :
64 745 : int ASN1_TYPE_get(ASN1_TYPE *a)
65 : {
66 745 : if ((a->value.ptr != NULL) || (a->type == V_ASN1_NULL))
67 745 : return (a->type);
68 : else
69 : return (0);
70 : }
71 :
72 5812 : void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value)
73 : {
74 5812 : if (a->value.ptr != NULL) {
75 : ASN1_TYPE **tmp_a = &a;
76 0 : ASN1_primitive_free((ASN1_VALUE **)tmp_a, NULL);
77 : }
78 5812 : a->type = type;
79 5812 : if (type == V_ASN1_BOOLEAN)
80 0 : a->value.boolean = value ? 0xff : 0;
81 : else
82 5812 : a->value.ptr = value;
83 5812 : }
84 :
85 0 : int ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value)
86 : {
87 0 : if (!value || (type == V_ASN1_BOOLEAN)) {
88 : void *p = (void *)value;
89 0 : ASN1_TYPE_set(a, type, p);
90 0 : } else if (type == V_ASN1_OBJECT) {
91 : ASN1_OBJECT *odup;
92 0 : odup = OBJ_dup(value);
93 0 : if (!odup)
94 : return 0;
95 0 : ASN1_TYPE_set(a, type, odup);
96 : } else {
97 : ASN1_STRING *sdup;
98 0 : sdup = ASN1_STRING_dup(value);
99 0 : if (!sdup)
100 : return 0;
101 0 : ASN1_TYPE_set(a, type, sdup);
102 : }
103 : return 1;
104 : }
105 :
106 : IMPLEMENT_STACK_OF(ASN1_TYPE)
107 :
108 : IMPLEMENT_ASN1_SET_OF(ASN1_TYPE)
109 :
110 : /* Returns 0 if they are equal, != 0 otherwise. */
111 370 : int ASN1_TYPE_cmp(const ASN1_TYPE *a, const ASN1_TYPE *b)
112 : {
113 : int result = -1;
114 :
115 370 : if (!a || !b || a->type != b->type)
116 : return -1;
117 :
118 370 : switch (a->type) {
119 : case V_ASN1_OBJECT:
120 0 : result = OBJ_cmp(a->value.object, b->value.object);
121 0 : break;
122 : case V_ASN1_BOOLEAN:
123 0 : result = a->value.boolean - b->value.boolean;
124 0 : break;
125 : case V_ASN1_NULL:
126 : result = 0; /* They do not have content. */
127 : break;
128 : case V_ASN1_INTEGER:
129 : case V_ASN1_NEG_INTEGER:
130 : case V_ASN1_ENUMERATED:
131 : case V_ASN1_NEG_ENUMERATED:
132 : case V_ASN1_BIT_STRING:
133 : case V_ASN1_OCTET_STRING:
134 : case V_ASN1_SEQUENCE:
135 : case V_ASN1_SET:
136 : case V_ASN1_NUMERICSTRING:
137 : case V_ASN1_PRINTABLESTRING:
138 : case V_ASN1_T61STRING:
139 : case V_ASN1_VIDEOTEXSTRING:
140 : case V_ASN1_IA5STRING:
141 : case V_ASN1_UTCTIME:
142 : case V_ASN1_GENERALIZEDTIME:
143 : case V_ASN1_GRAPHICSTRING:
144 : case V_ASN1_VISIBLESTRING:
145 : case V_ASN1_GENERALSTRING:
146 : case V_ASN1_UNIVERSALSTRING:
147 : case V_ASN1_BMPSTRING:
148 : case V_ASN1_UTF8STRING:
149 : case V_ASN1_OTHER:
150 : default:
151 0 : result = ASN1_STRING_cmp((ASN1_STRING *)a->value.ptr,
152 0 : (ASN1_STRING *)b->value.ptr);
153 0 : break;
154 : }
155 :
156 370 : return result;
157 : }
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