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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/asn1/a_type.c
1 /* crypto/asn1/a_type.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
60 #include "internal/cryptlib.h"
61 #include <openssl/asn1t.h>
62 #include <openssl/objects.h>
63 #include "asn1_locl.h"
65 int ASN1_TYPE_get(ASN1_TYPE
*a
)
67 if ((a
->value
.ptr
!= NULL
) || (a
->type
== V_ASN1_NULL
))
73 void ASN1_TYPE_set(ASN1_TYPE
*a
, int type
, void *value
)
75 if (a
->value
.ptr
!= NULL
) {
76 ASN1_TYPE
**tmp_a
= &a
;
77 asn1_primitive_free((ASN1_VALUE
**)tmp_a
, NULL
);
80 if (type
== V_ASN1_BOOLEAN
)
81 a
->value
.boolean
= value
? 0xff : 0;
86 int ASN1_TYPE_set1(ASN1_TYPE
*a
, int type
, const void *value
)
88 if (!value
|| (type
== V_ASN1_BOOLEAN
)) {
89 void *p
= (void *)value
;
90 ASN1_TYPE_set(a
, type
, p
);
91 } else if (type
== V_ASN1_OBJECT
) {
93 odup
= OBJ_dup(value
);
96 ASN1_TYPE_set(a
, type
, odup
);
99 sdup
= ASN1_STRING_dup(value
);
102 ASN1_TYPE_set(a
, type
, sdup
);
107 /* Returns 0 if they are equal, != 0 otherwise. */
108 int ASN1_TYPE_cmp(const ASN1_TYPE
*a
, const ASN1_TYPE
*b
)
112 if (!a
|| !b
|| a
->type
!= b
->type
)
117 result
= OBJ_cmp(a
->value
.object
, b
->value
.object
);
120 result
= a
->value
.boolean
- b
->value
.boolean
;
123 result
= 0; /* They do not have content. */
126 case V_ASN1_NEG_INTEGER
:
127 case V_ASN1_ENUMERATED
:
128 case V_ASN1_NEG_ENUMERATED
:
129 case V_ASN1_BIT_STRING
:
130 case V_ASN1_OCTET_STRING
:
131 case V_ASN1_SEQUENCE
:
133 case V_ASN1_NUMERICSTRING
:
134 case V_ASN1_PRINTABLESTRING
:
135 case V_ASN1_T61STRING
:
136 case V_ASN1_VIDEOTEXSTRING
:
137 case V_ASN1_IA5STRING
:
139 case V_ASN1_GENERALIZEDTIME
:
140 case V_ASN1_GRAPHICSTRING
:
141 case V_ASN1_VISIBLESTRING
:
142 case V_ASN1_GENERALSTRING
:
143 case V_ASN1_UNIVERSALSTRING
:
144 case V_ASN1_BMPSTRING
:
145 case V_ASN1_UTF8STRING
:
148 result
= ASN1_STRING_cmp((ASN1_STRING
*)a
->value
.ptr
,
149 (ASN1_STRING
*)b
->value
.ptr
);
156 ASN1_TYPE
*ASN1_TYPE_pack_sequence(const ASN1_ITEM
*it
, void *s
, ASN1_TYPE
**t
)
158 ASN1_OCTET_STRING
*oct
;
161 oct
= ASN1_item_pack(s
, it
, NULL
);
168 rt
= ASN1_TYPE_new();
170 ASN1_OCTET_STRING_free(oct
);
176 ASN1_TYPE_set(rt
, V_ASN1_SEQUENCE
, oct
);
180 void *ASN1_TYPE_unpack_sequence(const ASN1_ITEM
*it
, const ASN1_TYPE
*t
)
182 if (t
== NULL
|| t
->type
!= V_ASN1_SEQUENCE
|| t
->value
.sequence
== NULL
)
184 return ASN1_item_unpack(t
->value
.sequence
, it
);