tests/Test_encoding.c

   1 /*
   2  *      Copyright (C) 2006 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
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * 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, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20  * 02110-1301, USA
  21  */
  22
  23
  24 /******************************************************/
  25 /* File: Test_encoding.c                              */
  26 /* Description: Test writing values and DER encoding. */
  27 /******************************************************/
  28
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <stdlib.h>
  32 #include "libtasn1.h"
  33
  34
  35 unsigned char data[256];
  36 int data_size = sizeof (data);
  37
  38
  39 int
  40 main (int argc, char *argv[])
  41 {
  42   asn1_retCode result;
  43   ASN1_TYPE definitions = ASN1_TYPE_EMPTY;
  44   ASN1_TYPE asn1_element = ASN1_TYPE_EMPTY;
  45   char errorDescription[MAX_ERROR_DESCRIPTION_SIZE];
  46   const char *treefile = getenv ("ASN1ENCODING");
  47
  48   if (!treefile)
  49     treefile = "Test_encoding.asn";
  50
  51   printf ("\n\n/****************************************/\n");
  52   printf ("/*     Test sequence : coding-decoding  */\n");
  53   printf ("/****************************************/\n\n");
  54
  55   /* Check version */
  56   if (asn1_check_version ("0.3.3") == NULL)
  57     printf ("\nLibrary version check ERROR:\n actual version: %s\n\n",
  58             asn1_check_version (NULL));
  59
  60   result = asn1_parser2tree (treefile, &definitions, errorDescription);
  61
  62   if (result != ASN1_SUCCESS)
  63     {
  64       libtasn1_perror (result);
  65       printf ("ErrorDescription = %s\n\n", errorDescription);
  66       exit (1);
  67     }
  68
  69   result = asn1_create_element (definitions, "TEST_TREE.Koko", &asn1_element);
  70   if (result != ASN1_SUCCESS)
  71     {
  72       fprintf (stderr, "asn1_create_element(): ");
  73       libtasn1_perror (result);
  74       exit (1);
  75     }
  76
  77   result = asn1_write_value (asn1_element, "seqint", "NEW", 1);
  78   if (result != ASN1_SUCCESS)
  79     {
  80       fprintf (stderr, "asn1_write_value(): seqint ");
  81       libtasn1_perror (result);
  82       exit (1);
  83     }
  84
  85   result = asn1_write_value (asn1_element, "seqint.?LAST", "1234", 0);
  86   if (result != ASN1_SUCCESS)
  87     {
  88       fprintf (stderr, "asn1_write_value(): seqint.?LAST ");
  89       libtasn1_perror (result);
  90       exit (1);
  91     }
  92
  93   result = asn1_write_value (asn1_element, "int", "\x0f\xff\x01", 3);
  94   if (result != ASN1_SUCCESS)
  95     {
  96       fprintf (stderr, "asn1_write_value(): int ");
  97       libtasn1_perror (result);
  98       exit (1);
  99     }
 100
 101   result = asn1_write_value (asn1_element, "str", "string", 6);
 102   if (result != ASN1_SUCCESS)
 103     {
 104       fprintf (stderr, "asn1_write_value(): str ");
 105       libtasn1_perror (result);
 106       exit (1);
 107     }
 108
 109   /* Clear the definition structures */
 110   asn1_delete_structure (&definitions);
 111
 112   result = asn1_der_coding (asn1_element, "", data, &data_size, NULL);
 113   if (result != ASN1_SUCCESS)
 114     {
 115       fprintf (stderr, "Encoding error.\n");
 116       libtasn1_perror (result);
 117       exit (1);
 118     }
 119
 120   result = asn1_der_decoding (&asn1_element, data, data_size, NULL);
 121   if (result != ASN1_SUCCESS)
 122     {
 123       fprintf (stderr, "Decoding error.\n");
 124       libtasn1_perror (result);
 125       exit (1);
 126     }
 127
 128
 129   printf ("Success\n");
 130   exit (0);
 131 }