lib/asn1/der_copy.c

   1 /*
   2  * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
   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("$Id$");
  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 }