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
39 RCSID("$Id$");
40
41 int
encode_heim_any(unsigned char * p,size_t len,const heim_any * data,size_t * size)42 encode_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
48 int
decode_heim_any(const unsigned char * p,size_t len,heim_any * data,size_t * size)49 decode_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
87 void
free_heim_any(heim_any * data)88 free_heim_any(heim_any *data)
89 {
90 der_free_octet_string(data);
91 }
92
93 size_t
length_heim_any(const heim_any * data)94 length_heim_any(const heim_any *data)
95 {
96 return data->length;
97 }
98
99 int
copy_heim_any(const heim_any * from,heim_any * to)100 copy_heim_any(const heim_any *from, heim_any *to)
101 {
102 return der_copy_octet_string(from, to);
103 }
104
105 int
encode_heim_any_set(unsigned char * p,size_t len,const heim_any_set * data,size_t * size)106 encode_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
112 int
decode_heim_any_set(const unsigned char * p,size_t len,heim_any_set * data,size_t * size)113 decode_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
119 void
free_heim_any_set(heim_any_set * data)120 free_heim_any_set(heim_any_set *data)
121 {
122 der_free_octet_string(data);
123 }
124
125 size_t
length_heim_any_set(const heim_any * data)126 length_heim_any_set(const heim_any *data)
127 {
128 return data->length;
129 }
130
131 int
copy_heim_any_set(const heim_any_set * from,heim_any_set * to)132 copy_heim_any_set(const heim_any_set *from, heim_any_set *to)
133 {
134 return der_copy_octet_string(from, to);
135 }
136
137 int
heim_any_cmp(const heim_any_set * p,const heim_any_set * q)138 heim_any_cmp(const heim_any_set *p, const heim_any_set *q)
139 {
140 return der_heim_octet_string_cmp(p, q);
141 }
142