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path: root/tests/ocsp-basic-response.c
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/*
 * Copyright (C) 2016 Red Hat, Inc.
 *
 * This file is part of LIBTASN1.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libtasn1.h>

int
main (int argc, char** argv)
{
  int result = 0, len;
  asn1_node definitions = NULL, node1 = NULL;
  char errorDescription[ASN1_MAX_ERROR_DESCRIPTION_SIZE];
  const char *choicefile = getenv ("ASN1CHOICE_OCSP");
  const char *datafile = getenv ("ASN1_RESPONSE_OCSP_DATA");
  FILE *fp;
  char data[1024];
  int data_size = sizeof (data);
  unsigned etype;

  if (!choicefile)
    choicefile = "pkix.asn";

  if (!datafile)
    datafile = "ocsp-basic-response.der";

  result = asn1_parser2tree (choicefile, &definitions, errorDescription);
  if (result != ASN1_SUCCESS)
    {
      fprintf (stderr, "error in %d: %s\n", __LINE__, errorDescription);
      exit (1);
    }

  result = asn1_create_element (definitions, "PKIX1.BasicOCSPResponse", &node1);
  if (result != ASN1_SUCCESS)
    {
      fprintf (stderr, "error in %d\n", __LINE__);
      exit (1);
    }

  fp = fopen(datafile, "rb");
  if (fp == NULL)
    {
      fprintf (stderr, "error in %d\n", __LINE__);
      exit (1);
    }
  data_size = fread(data, 1, sizeof(data), fp);
  fclose(fp);

  result = asn1_der_decoding2 (&node1, data, &data_size, ASN1_DECODE_FLAG_STRICT_DER, errorDescription);
  if (result != ASN1_SUCCESS)
    {
      fprintf (stderr, "error in %d: decoding: %s\n", __LINE__, errorDescription);
      exit (1);
    }

  len = sizeof(data);
  result = asn1_read_value(node1, "tbsResponseData.responderID", data, &len);
  if (result != ASN1_SUCCESS)
    {
      fprintf (stderr, "error in %d: %s\n", __LINE__, errorDescription);
      exit (1);
    }

  if (strcmp(data, "byKey") != 0)
    {
      fprintf (stderr, "error in %d: %s\n", __LINE__, data);
      exit (1);
    }

  len = 0;
  result = asn1_read_value_type(node1, "tbsResponseData.responderID.byKey", NULL, &len, &etype);
  if (result != ASN1_MEM_ERROR)
    {
      fprintf (stderr, "error in %d: result is: %s\n", __LINE__, asn1_strerror(result));
      exit (1);
    }

  if (etype != ASN1_ETYPE_OCTET_STRING)
    {
      fprintf (stderr, "error in %d: The type (%d) doesn't match octet string.\n", __LINE__, (int)etype);
      exit (1);
    }

  if (len != 20)
    {
      fprintf (stderr, "length doesn't match the expected (got: %d, should be: 20)\n", len);
      exit (1);
    }

  

  len = sizeof(data);
  result = asn1_read_value(node1, "tbsResponseData.responderID.byKey", data, &len);
  if (result != ASN1_SUCCESS)
    {
      fprintf (stderr, "error in %d: %s\n", __LINE__, errorDescription);
      exit (1);
    }

  if (memcmp(data, "\x50\xEA\x73\x89\xDB\x29\xFB\x10\x8F\x9E\xE5\x01\x20\xD4\xDE\x79\x99\x48\x83\xF7", len) != 0)
    {
      fprintf (stderr, "contents don't match\n");
      exit (1);
    }

  asn1_delete_structure (&node1);
  asn1_delete_structure (&definitions);

  return 0;
}