tests/Test_encoding.c

   1 /*
   2  *      Copyright (C) 2006, 2007 Free Software Foundation
   3  *      Copyright (C) 2002 Fabio Fiorina
   4  *
   5  * This file is part of LIBTASN1.
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 /******************************************************/
  23 /* File: Test_encoding.c                              */
  24 /* Description: Test writing values and DER encoding. */
  25 /******************************************************/
  26
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <stdlib.h>
  30 #include "libtasn1.h"
  31
  32
  33 unsigned char data[256];
  34 int data_size = sizeof (data);
  35
  36
  37 int
  38 main (int argc, char *argv[])
  39 {
  40   asn1_retCode result;
  41   ASN1_TYPE definitions = ASN1_TYPE_EMPTY;
  42   ASN1_TYPE asn1_element = ASN1_TYPE_EMPTY;
  43   char errorDescription[MAX_ERROR_DESCRIPTION_SIZE];
  44   const char *treefile = getenv ("ASN1ENCODING");
  45
  46   if (!treefile)
  47     treefile = "Test_encoding.asn";
  48
  49   printf ("\n\n/****************************************/\n");
  50   printf ("/*     Test sequence : coding-decoding  */\n");
  51   printf ("/****************************************/\n\n");
  52
  53   /* Check version */
  54   if (asn1_check_version ("0.3.3") == NULL)
  55     printf ("\nLibrary version check ERROR:\n actual version: %s\n\n",
  56             asn1_check_version (NULL));
  57
  58   result = asn1_parser2tree (treefile, &definitions, errorDescription);
  59
  60   if (result != ASN1_SUCCESS)
  61     {
  62       libtasn1_perror (result);
  63       printf ("ErrorDescription = %s\n\n", errorDescription);
  64       exit (1);
  65     }
  66
  67   result = asn1_create_element (definitions, "TEST_TREE.Koko", &asn1_element);
  68   if (result != ASN1_SUCCESS)
  69     {
  70       fprintf (stderr, "asn1_create_element(): ");
  71       libtasn1_perror (result);
  72       exit (1);
  73     }
  74
  75   result = asn1_write_value (asn1_element, "seqint", "NEW", 1);
  76   if (result != ASN1_SUCCESS)
  77     {
  78       fprintf (stderr, "asn1_write_value(): seqint ");
  79       libtasn1_perror (result);
  80       exit (1);
  81     }
  82
  83   result = asn1_write_value (asn1_element, "seqint.?LAST", "1234", 0);
  84   if (result != ASN1_SUCCESS)
  85     {
  86       fprintf (stderr, "asn1_write_value(): seqint.?LAST ");
  87       libtasn1_perror (result);
  88       exit (1);
  89     }
  90
  91   result = asn1_write_value (asn1_element, "int", "\x0f\xff\x01", 3);
  92   if (result != ASN1_SUCCESS)
  93     {
  94       fprintf (stderr, "asn1_write_value(): int ");
  95       libtasn1_perror (result);
  96       exit (1);
  97     }
  98
  99   result = asn1_write_value (asn1_element, "str", "string", 6);
 100   if (result != ASN1_SUCCESS)
 101     {
 102       fprintf (stderr, "asn1_write_value(): str ");
 103       libtasn1_perror (result);
 104       exit (1);
 105     }
 106
 107   /* Clear the definition structures */
 108   asn1_delete_structure (&definitions);
 109
 110   result = asn1_der_coding (asn1_element, "", data, &data_size, NULL);
 111   if (result != ASN1_SUCCESS)
 112     {
 113       fprintf (stderr, "Encoding error.\n");
 114       libtasn1_perror (result);
 115       exit (1);
 116     }
 117
 118   result = asn1_der_decoding (&asn1_element, data, data_size, NULL);
 119   if (result != ASN1_SUCCESS)
 120     {
 121       fprintf (stderr, "Decoding error.\n");
 122       libtasn1_perror (result);
 123       exit (1);
 124     }
 125
 126
 127   printf ("Success\n");
 128   exit (0);
 129 }