1 /*	$NetBSD: extra.c,v 1.1.1.2 2014/04/24 12:45:28 pettai Exp $	*/
2 
3 /*
4  * Copyright (c) 2003 - 2005 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  *
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * 3. Neither the name of the Institute nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  */
37 
38 #include "der_locl.h"
39 #include <krb5/heim_asn1.h>
40 
41 __RCSID("NetBSD");
42 
43 int
44 encode_heim_any(unsigned char *p, size_t len,
45 		const heim_any *data, size_t *size)
46 {
47     return der_put_octet_string (p, len, data, size);
48 }
49 
50 int
51 decode_heim_any(const unsigned char *p, size_t len,
52 		heim_any *data, size_t *size)
53 {
54     size_t len_len, length, l;
55     Der_class thisclass;
56     Der_type thistype;
57     unsigned int thistag;
58     int e;
59 
60     memset(data, 0, sizeof(*data));
61 
62     e = der_get_tag (p, len, &thisclass, &thistype, &thistag, &l);
63     if (e) return e;
64     if (l > len)
65 	return ASN1_OVERFLOW;
66     e = der_get_length(p + l, len - l, &length, &len_len);
67     if (e) return e;
68     if (length == ASN1_INDEFINITE) {
69         if (len < len_len + l)
70 	    return ASN1_OVERFLOW;
71 	length = len - (len_len + l);
72     } else {
73 	if (len < length + len_len + l)
74 	    return ASN1_OVERFLOW;
75     }
76 
77     data->data = malloc(length + len_len + l);
78     if (data->data == NULL)
79 	return ENOMEM;
80     data->length = length + len_len + l;
81     memcpy(data->data, p, length + len_len + l);
82 
83     if (size)
84 	*size = length + len_len + l;
85 
86     return 0;
87 }
88 
89 void
90 free_heim_any(heim_any *data)
91 {
92     der_free_octet_string(data);
93 }
94 
95 size_t
96 length_heim_any(const heim_any *data)
97 {
98     return data->length;
99 }
100 
101 int
102 copy_heim_any(const heim_any *from, heim_any *to)
103 {
104     return der_copy_octet_string(from, to);
105 }
106 
107 int
108 encode_heim_any_set(unsigned char *p, size_t len,
109 		    const heim_any_set *data, size_t *size)
110 {
111     return der_put_octet_string (p, len, data, size);
112 }
113 
114 int
115 decode_heim_any_set(const unsigned char *p, size_t len,
116 		heim_any_set *data, size_t *size)
117 {
118     return der_get_octet_string(p, len, data, size);
119 }
120 
121 void
122 free_heim_any_set(heim_any_set *data)
123 {
124     der_free_octet_string(data);
125 }
126 
127 size_t
128 length_heim_any_set(const heim_any *data)
129 {
130     return data->length;
131 }
132 
133 int
134 copy_heim_any_set(const heim_any_set *from, heim_any_set *to)
135 {
136     return der_copy_octet_string(from, to);
137 }
138 
139 int
140 heim_any_cmp(const heim_any_set *p, const heim_any_set *q)
141 {
142     return der_heim_octet_string_cmp(p, q);
143 }
144