1/*
2 * Copyright (c) 1997 - 2006 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
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_unsigned (const unsigned *from, unsigned *to)
59{
60    *to = *from;
61    return 0;
62}
63
64int
65der_copy_generalized_time (const time_t *from, time_t *to)
66{
67    *to = *from;
68    return 0;
69}
70
71int
72der_copy_utctime (const time_t *from, time_t *to)
73{
74    *to = *from;
75    return 0;
76}
77
78int
79der_copy_utf8string (const heim_utf8_string *from, heim_utf8_string *to)
80{
81    return der_copy_general_string(from, to);
82}
83
84int
85der_copy_printable_string (const heim_printable_string *from,
86		       heim_printable_string *to)
87{
88    to->length = from->length;
89    to->data   = malloc(to->length + 1);
90    if(to->data == NULL)
91	return ENOMEM;
92    memcpy(to->data, from->data, to->length);
93    ((char *)to->data)[to->length] = '\0';
94    return 0;
95}
96
97int
98der_copy_ia5_string (const heim_ia5_string *from,
99		     heim_ia5_string *to)
100{
101    return der_copy_printable_string(from, to);
102}
103
104int
105der_copy_bmp_string (const heim_bmp_string *from, heim_bmp_string *to)
106{
107    to->length = from->length;
108    to->data   = malloc(to->length * sizeof(to->data[0]));
109    if(to->length != 0 && to->data == NULL)
110	return ENOMEM;
111    memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
112    return 0;
113}
114
115int
116der_copy_universal_string (const heim_universal_string *from,
117			   heim_universal_string *to)
118{
119    to->length = from->length;
120    to->data   = malloc(to->length * sizeof(to->data[0]));
121    if(to->length != 0 && to->data == NULL)
122	return ENOMEM;
123    memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
124    return 0;
125}
126
127int
128der_copy_visible_string (const heim_visible_string *from,
129			 heim_visible_string *to)
130{
131    return der_copy_general_string(from, to);
132}
133
134int
135der_copy_octet_string (const heim_octet_string *from, heim_octet_string *to)
136{
137    to->length = from->length;
138    to->data   = malloc(to->length);
139    if(to->length != 0 && to->data == NULL)
140	return ENOMEM;
141    memcpy(to->data, from->data, to->length);
142    return 0;
143}
144
145int
146der_copy_heim_integer (const heim_integer *from, heim_integer *to)
147{
148    to->length = from->length;
149    to->data   = malloc(to->length);
150    if(to->length != 0 && to->data == NULL)
151	return ENOMEM;
152    memcpy(to->data, from->data, to->length);
153    to->negative = from->negative;
154    return 0;
155}
156
157int
158der_copy_oid (const heim_oid *from, heim_oid *to)
159{
160    to->length     = from->length;
161    to->components = malloc(to->length * sizeof(*to->components));
162    if (to->length != 0 && to->components == NULL)
163	return ENOMEM;
164    memcpy(to->components, from->components,
165	   to->length * sizeof(*to->components));
166    return 0;
167}
168
169int
170der_copy_bit_string (const heim_bit_string *from, heim_bit_string *to)
171{
172    size_t len;
173
174    len = (from->length + 7) / 8;
175    to->length = from->length;
176    to->data   = malloc(len);
177    if(len != 0 && to->data == NULL)
178	return ENOMEM;
179    memcpy(to->data, from->data, len);
180    return 0;
181}
182