1/*
2 * Copyright (c) 2003 - 2005 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include "der_locl.h"
37#include "heim_asn1.h"
38
39RCSID("$Id$");
40
41int
42encode_heim_any(unsigned char *p, size_t len,
43		const heim_any *data, size_t *size)
44{
45    return der_put_octet_string (p, len, data, size);
46}
47
48int
49decode_heim_any(const unsigned char *p, size_t len,
50		heim_any *data, size_t *size)
51{
52    size_t len_len, length, l;
53    Der_class thisclass;
54    Der_type thistype;
55    unsigned int thistag;
56    int e;
57
58    memset(data, 0, sizeof(*data));
59
60    e = der_get_tag (p, len, &thisclass, &thistype, &thistag, &l);
61    if (e) return e;
62    if (l > len)
63	return ASN1_OVERFLOW;
64    e = der_get_length(p + l, len - l, &length, &len_len);
65    if (e) return e;
66    if (length == ASN1_INDEFINITE) {
67        if (len < len_len + l)
68	    return ASN1_OVERFLOW;
69	length = len - (len_len + l);
70    } else {
71	if (len < length + len_len + l)
72	    return ASN1_OVERFLOW;
73    }
74
75    data->data = malloc(length + len_len + l);
76    if (data->data == NULL)
77	return ENOMEM;
78    data->length = length + len_len + l;
79    memcpy(data->data, p, length + len_len + l);
80
81    if (size)
82	*size = length + len_len + l;
83
84    return 0;
85}
86
87void
88free_heim_any(heim_any *data)
89{
90    der_free_octet_string(data);
91}
92
93size_t
94length_heim_any(const heim_any *data)
95{
96    return data->length;
97}
98
99int
100copy_heim_any(const heim_any *from, heim_any *to)
101{
102    return der_copy_octet_string(from, to);
103}
104
105int
106encode_heim_any_set(unsigned char *p, size_t len,
107		    const heim_any_set *data, size_t *size)
108{
109    return der_put_octet_string (p, len, data, size);
110}
111
112int
113decode_heim_any_set(const unsigned char *p, size_t len,
114		heim_any_set *data, size_t *size)
115{
116    return der_get_octet_string(p, len, data, size);
117}
118
119void
120free_heim_any_set(heim_any_set *data)
121{
122    der_free_octet_string(data);
123}
124
125size_t
126length_heim_any_set(const heim_any *data)
127{
128    return data->length;
129}
130
131int
132copy_heim_any_set(const heim_any_set *from, heim_any_set *to)
133{
134    return der_copy_octet_string(from, to);
135}
136
137int
138heim_any_cmp(const heim_any_set *p, const heim_any_set *q)
139{
140    return der_heim_octet_string_cmp(p, q);
141}
142