crypto/external/bsd/heimdal/dist/lib/asn1/der_copy.c

   1 /*      $NetBSD: der_copy.c,v 1.1.1.2 2014/04/24 12:45:28 pettai Exp $  */
   2
   3 /*
   4  * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  *
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  *
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  *
  21  * 3. Neither the name of the Institute nor the names of its contributors
  22  *    may be used to endorse or promote products derived from this software
  23  *    without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35  * SUCH DAMAGE.
  36  */
  37
  38 #include "der_locl.h"
  39
  40 __RCSID("NetBSD");
  41
  42 int
  43 der_copy_general_string (const heim_general_string *from,
  44                          heim_general_string *to)
  45 {
  46     *to = strdup(*from);
  47     if(*to == NULL)
  48         return ENOMEM;
  49     return 0;
  50 }
  51
  52 int
  53 der_copy_integer (const int *from, int *to)
  54 {
  55     *to = *from;
  56     return 0;
  57 }
  58
  59 int
  60 der_copy_unsigned (const unsigned *from, unsigned *to)
  61 {
  62     *to = *from;
  63     return 0;
  64 }
  65
  66 int
  67 der_copy_generalized_time (const time_t *from, time_t *to)
  68 {
  69     *to = *from;
  70     return 0;
  71 }
  72
  73 int
  74 der_copy_utctime (const time_t *from, time_t *to)
  75 {
  76     *to = *from;
  77     return 0;
  78 }
  79
  80 int
  81 der_copy_utf8string (const heim_utf8_string *from, heim_utf8_string *to)
  82 {
  83     return der_copy_general_string(from, to);
  84 }
  85
  86 int
  87 der_copy_printable_string (const heim_printable_string *from,
  88                        heim_printable_string *to)
  89 {
  90     to->length = from->length;
  91     to->data   = malloc(to->length + 1);
  92     if(to->data == NULL)
  93         return ENOMEM;
  94     memcpy(to->data, from->data, to->length);
  95     ((char *)to->data)[to->length] = '\0';
  96     return 0;
  97 }
  98
  99 int
 100 der_copy_ia5_string (const heim_ia5_string *from,
 101                      heim_ia5_string *to)
 102 {
 103     return der_copy_printable_string(from, to);
 104 }
 105
 106 int
 107 der_copy_bmp_string (const heim_bmp_string *from, heim_bmp_string *to)
 108 {
 109     to->length = from->length;
 110     to->data   = malloc(to->length * sizeof(to->data[0]));
 111     if(to->length != 0 && to->data == NULL)
 112         return ENOMEM;
 113     memcpy(to->data, from->data, to->length * sizeof(to->data[0]));
 114     return 0;
 115 }
 116
 117 int
 118 der_copy_universal_string (const heim_universal_string *from,
 119                            heim_universal_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
 129 int
 130 der_copy_visible_string (const heim_visible_string *from,
 131                          heim_visible_string *to)
 132 {
 133     return der_copy_general_string(from, to);
 134 }
 135
 136 int
 137 der_copy_octet_string (const heim_octet_string *from, heim_octet_string *to)
 138 {
 139     to->length = from->length;
 140     to->data   = malloc(to->length);
 141     if(to->length != 0 && to->data == NULL)
 142         return ENOMEM;
 143     memcpy(to->data, from->data, to->length);
 144     return 0;
 145 }
 146
 147 int
 148 der_copy_heim_integer (const heim_integer *from, heim_integer *to)
 149 {
 150     to->length = from->length;
 151     to->data   = malloc(to->length);
 152     if(to->length != 0 && to->data == NULL)
 153         return ENOMEM;
 154     memcpy(to->data, from->data, to->length);
 155     to->negative = from->negative;
 156     return 0;
 157 }
 158
 159 int
 160 der_copy_oid (const heim_oid *from, heim_oid *to)
 161 {
 162     to->length     = from->length;
 163     to->components = malloc(to->length * sizeof(*to->components));
 164     if (to->length != 0 && to->components == NULL)
 165         return ENOMEM;
 166     memcpy(to->components, from->components,
 167            to->length * sizeof(*to->components));
 168     return 0;
 169 }
 170
 171 int
 172 der_copy_bit_string (const heim_bit_string *from, heim_bit_string *to)
 173 {
 174     size_t len;
 175
 176     len = (from->length + 7) / 8;
 177     to->length = from->length;
 178     to->data   = malloc(len);
 179     if(len != 0 && to->data == NULL)
 180         return ENOMEM;
 181     memcpy(to->data, from->data, len);
 182     return 0;
 183 }