crypto/dist/heimdal/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("$Heimdal: der_copy.c 19539 2006-12-28 17:15:05Z lha $"
  37         "$NetBSD$");
  38
  39 int
  40 der_copy_general_string (const heim_general_string *from,
  41                          heim_general_string *to)
  42 {
  43     *to = strdup(*from);
  44     if(*to == NULL)
  45         return ENOMEM;
  46     return 0;
  47 }
  48
  49 int
  50 der_copy_utf8string (const heim_utf8_string *from, heim_utf8_string *to)
  51 {
  52     return der_copy_general_string(from, to);
  53 }
  54
  55 int
  56 der_copy_printable_string (const heim_printable_string *from,
  57                        heim_printable_string *to)
  58 {
  59     return der_copy_general_string(from, to);
  60 }
  61
  62 int
  63 der_copy_ia5_string (const heim_printable_string *from,
  64                      heim_printable_string *to)
  65 {
  66     return der_copy_general_string(from, to);
  67 }
  68
  69 int
  70 der_copy_bmp_string (const heim_bmp_string *from, heim_bmp_string *to)
  71 {
  72     to->length = from->length;
  73     to->data   = malloc(to->length * sizeof(to->data[0]));
  74     if(to->length != 0 && to->data == NULL)
  75         return ENOMEM;
  76     memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
  77     return 0;
  78 }
  79
  80 int
  81 der_copy_universal_string (const heim_universal_string *from,
  82                            heim_universal_string *to)
  83 {
  84     to->length = from->length;
  85     to->data   = malloc(to->length * sizeof(to->data[0]));
  86     if(to->length != 0 && to->data == NULL)
  87         return ENOMEM;
  88     memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
  89     return 0;
  90 }
  91
  92 int
  93 der_copy_visible_string (const heim_visible_string *from,
  94                          heim_visible_string *to)
  95 {
  96     return der_copy_general_string(from, to);
  97 }
  98
  99 int
 100 der_copy_octet_string (const heim_octet_string *from, heim_octet_string *to)
 101 {
 102     to->length = from->length;
 103     to->data   = malloc(to->length);
 104     if(to->length != 0 && to->data == NULL)
 105         return ENOMEM;
 106     memcpy(to->data, from->data, to->length);
 107     return 0;
 108 }
 109
 110 int
 111 der_copy_heim_integer (const heim_integer *from, heim_integer *to)
 112 {
 113     to->length = from->length;
 114     to->data   = malloc(to->length);
 115     if(to->length != 0 && to->data == NULL)
 116         return ENOMEM;
 117     memcpy(to->data, from->data, to->length);
 118     to->negative = from->negative;
 119     return 0;
 120 }
 121
 122 int
 123 der_copy_oid (const heim_oid *from, heim_oid *to)
 124 {
 125     to->length     = from->length;
 126     to->components = malloc(to->length * sizeof(*to->components));
 127     if (to->length != 0 && to->components == NULL)
 128         return ENOMEM;
 129     memcpy(to->components, from->components,
 130            to->length * sizeof(*to->components));
 131     return 0;
 132 }
 133
 134 int
 135 der_copy_bit_string (const heim_bit_string *from, heim_bit_string *to)
 136 {
 137     size_t len;
 138
 139     len = (from->length + 7) / 8;
 140     to->length = from->length;
 141     to->data   = malloc(len);
 142     if(len != 0 && to->data == NULL)
 143         return ENOMEM;
 144     memcpy(to->data, from->data, len);
 145     return 0;
 146 }