xref: /freebsd/crypto/heimdal/lib/asn1/der_copy.c (revision 884a2a699669ec61e2366e3e358342dbc94be24a)
1 /*
2  * Copyright (c) 1997 - 2006 Kungliga Tekniska H�gskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include "der_locl.h"
35 
36 RCSID("$Id: der_copy.c 19539 2006-12-28 17:15:05Z lha $");
37 
38 int
39 der_copy_general_string (const heim_general_string *from,
40 			 heim_general_string *to)
41 {
42     *to = strdup(*from);
43     if(*to == NULL)
44 	return ENOMEM;
45     return 0;
46 }
47 
48 int
49 der_copy_utf8string (const heim_utf8_string *from, heim_utf8_string *to)
50 {
51     return der_copy_general_string(from, to);
52 }
53 
54 int
55 der_copy_printable_string (const heim_printable_string *from,
56 		       heim_printable_string *to)
57 {
58     return der_copy_general_string(from, to);
59 }
60 
61 int
62 der_copy_ia5_string (const heim_printable_string *from,
63 		     heim_printable_string *to)
64 {
65     return der_copy_general_string(from, to);
66 }
67 
68 int
69 der_copy_bmp_string (const heim_bmp_string *from, heim_bmp_string *to)
70 {
71     to->length = from->length;
72     to->data   = malloc(to->length * sizeof(to->data[0]));
73     if(to->length != 0 && to->data == NULL)
74 	return ENOMEM;
75     memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
76     return 0;
77 }
78 
79 int
80 der_copy_universal_string (const heim_universal_string *from,
81 			   heim_universal_string *to)
82 {
83     to->length = from->length;
84     to->data   = malloc(to->length * sizeof(to->data[0]));
85     if(to->length != 0 && to->data == NULL)
86 	return ENOMEM;
87     memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
88     return 0;
89 }
90 
91 int
92 der_copy_visible_string (const heim_visible_string *from,
93 			 heim_visible_string *to)
94 {
95     return der_copy_general_string(from, to);
96 }
97 
98 int
99 der_copy_octet_string (const heim_octet_string *from, heim_octet_string *to)
100 {
101     to->length = from->length;
102     to->data   = malloc(to->length);
103     if(to->length != 0 && to->data == NULL)
104 	return ENOMEM;
105     memcpy(to->data, from->data, to->length);
106     return 0;
107 }
108 
109 int
110 der_copy_heim_integer (const heim_integer *from, heim_integer *to)
111 {
112     to->length = from->length;
113     to->data   = malloc(to->length);
114     if(to->length != 0 && to->data == NULL)
115 	return ENOMEM;
116     memcpy(to->data, from->data, to->length);
117     to->negative = from->negative;
118     return 0;
119 }
120 
121 int
122 der_copy_oid (const heim_oid *from, heim_oid *to)
123 {
124     to->length     = from->length;
125     to->components = malloc(to->length * sizeof(*to->components));
126     if (to->length != 0 && to->components == NULL)
127 	return ENOMEM;
128     memcpy(to->components, from->components,
129 	   to->length * sizeof(*to->components));
130     return 0;
131 }
132 
133 int
134 der_copy_bit_string (const heim_bit_string *from, heim_bit_string *to)
135 {
136     size_t len;
137 
138     len = (from->length + 7) / 8;
139     to->length = from->length;
140     to->data   = malloc(len);
141     if(len != 0 && to->data == NULL)
142 	return ENOMEM;
143     memcpy(to->data, from->data, len);
144     return 0;
145 }
146