1/*
2 * Copyright (c) 1997 - 2006 Kungliga Tekniska H��gskolan
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
38RCSID("$Id$");
39
40int
41der_copy_general_string (const heim_general_string *from,
42			 heim_general_string *to)
43{
44    *to = strdup(*from);
45    if(*to == NULL)
46	return ENOMEM;
47    return 0;
48}
49
50int
51der_copy_integer (const int *from, int *to)
52{
53    *to = *from;
54    return 0;
55}
56
57int
58der_copy_integer64 (const int64_t *from, int64_t *to)
59{
60    *to = *from;
61    return 0;
62}
63
64int
65der_copy_unsigned (const unsigned *from, unsigned *to)
66{
67    *to = *from;
68    return 0;
69}
70
71int
72der_copy_unsigned64 (const uint64_t *from, uint64_t *to)
73{
74    *to = *from;
75    return 0;
76}
77
78int
79der_copy_generalized_time (const time_t *from, time_t *to)
80{
81    *to = *from;
82    return 0;
83}
84
85int
86der_copy_utctime (const time_t *from, time_t *to)
87{
88    *to = *from;
89    return 0;
90}
91
92int
93der_copy_utf8string (const heim_utf8_string *from, heim_utf8_string *to)
94{
95    return der_copy_general_string(from, to);
96}
97
98int
99der_copy_printable_string (const heim_printable_string *from,
100		       heim_printable_string *to)
101{
102    to->length = from->length;
103    to->data   = malloc(to->length + 1);
104    if(to->data == NULL)
105	return ENOMEM;
106    memcpy(to->data, from->data, to->length);
107    ((char *)to->data)[to->length] = '\0';
108    return 0;
109}
110
111int
112der_copy_ia5_string (const heim_ia5_string *from,
113		     heim_ia5_string *to)
114{
115    return der_copy_printable_string(from, to);
116}
117
118int
119der_copy_bmp_string (const heim_bmp_string *from, heim_bmp_string *to)
120{
121    to->length = from->length;
122    to->data   = malloc(to->length * sizeof(to->data[0]));
123    if(to->length != 0 && to->data == NULL)
124	return ENOMEM;
125    memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
126    return 0;
127}
128
129int
130der_copy_universal_string (const heim_universal_string *from,
131			   heim_universal_string *to)
132{
133    to->length = from->length;
134    to->data   = malloc(to->length * sizeof(to->data[0]));
135    if(to->length != 0 && to->data == NULL)
136	return ENOMEM;
137    memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
138    return 0;
139}
140
141int
142der_copy_visible_string (const heim_visible_string *from,
143			 heim_visible_string *to)
144{
145    return der_copy_general_string(from, to);
146}
147
148int
149der_copy_octet_string (const heim_octet_string *from, heim_octet_string *to)
150{
151    to->length = from->length;
152    if (from->data == NULL) {
153        to->data = NULL;
154        return 0;
155    }
156    to->data = malloc(to->length);
157    if (to->length != 0 && to->data == NULL)
158	return ENOMEM;
159    memcpy(to->data, from->data, to->length);
160    return 0;
161}
162
163int
164der_copy_heim_integer (const heim_integer *from, heim_integer *to)
165{
166    to->length = from->length;
167    to->data   = malloc(to->length);
168    if(to->length != 0 && to->data == NULL)
169	return ENOMEM;
170    memcpy(to->data, from->data, to->length);
171    to->negative = from->negative;
172    return 0;
173}
174
175int
176der_copy_oid (const heim_oid *from, heim_oid *to)
177{
178    to->length     = from->length;
179    to->components = malloc(to->length * sizeof(*to->components));
180    if (to->length != 0 && to->components == NULL)
181	return ENOMEM;
182    memcpy(to->components, from->components,
183	   to->length * sizeof(*to->components));
184    return 0;
185}
186
187int
188der_copy_bit_string (const heim_bit_string *from, heim_bit_string *to)
189{
190    size_t len;
191
192    len = (from->length + 7) / 8;
193    to->length = from->length;
194    to->data   = malloc(len);
195    if(len != 0 && to->data == NULL)
196	return ENOMEM;
197    memcpy(to->data, from->data, len);
198    return 0;
199}
200