tests/object-id-decoding.c

/*
 * 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 <string.h>
#include <stdlib.h>

#include "libtasn1.h"

struct tv
{
  int der_len;
  const unsigned char *der;
  const char *oid;
  int expected_error;
};

static const struct tv tv[] = {
  {.der_len = 5,
   .der = (void *) "\x06\x03\x80\x37\x03",
   .oid = "2.999.3",
   .expected_error = ASN1_DER_ERROR /* leading 0x80 */
  },
  {.der_len = 12,
   .der = (void *) "\x06\x0a\x2b\x06\x01\x80\x01\x92\x08\x09\x05\x01",
   .oid = "1.3.6.1.4.1.2312.9.5.1",
   .expected_error = ASN1_DER_ERROR /* leading 0x80 */
  },
  {.der_len = 6,
   .der = (void *) "\x06\x04\x01\x02\x03\x04",
   .oid = "0.1.2.3.4",
   .expected_error = ASN1_SUCCESS},
  {.der_len = 5,
   .der = (void *) "\x06\x03\x51\x02\x03",
   .oid = "2.1.2.3",
   .expected_error = ASN1_SUCCESS},
  {.der_len = 5,
   .der = (void *) "\x06\x03\x88\x37\x03",
   .oid = "2.999.3",
   .expected_error = ASN1_SUCCESS},
  {.der_len = 12,
   .der = (void *) "\x06\x0a\x2b\x06\x01\x04\x01\x92\x08\x09\x05\x01",
   .oid = "1.3.6.1.4.1.2312.9.5.1",
   .expected_error = ASN1_SUCCESS},
  {.der_len = 19,
   .der = (void *) "\x06\x11\xfa\x80\x00\x00\x00\x0e\x01\x0e\xfa\x80\x00\x00\x00\x0e\x63\x6f\x6d",
   .oid = "2.1998768.0.0.14.1.14.1998848.0.0.14.99.111.109",
   .expected_error = ASN1_SUCCESS},
  {.der_len = 19,
   .der =
   (void *)
   "\x06\x11\x2b\x06\x01\x04\x01\x92\x08\x09\x02\xaa\xda\xbe\xbe\xfa\x72\x01\x07",
   .oid = "1.3.6.1.4.1.2312.9.2.1467399257458.1.7",
   .expected_error = ASN1_SUCCESS},
};

int
main (int argc, char *argv[])
{
  char str[128];
  int ret, ret_len;
  size_t i;

  for (i = 0; i < sizeof (tv) / sizeof (tv[0]); i++)
    {
      /* decode */
      ret =
	asn1_get_object_id_der (tv[i].der+1,
				tv[i].der_len-1, &ret_len, str,
				sizeof (str));
      if (ret != tv[i].expected_error)
	{
	  fprintf (stderr,
		   "%d: asn1_get_object_id_der iter %lu: got '%s' expected %d\n",
		   __LINE__, (unsigned long) i, asn1_strerror(ret), tv[i].expected_error);
	  return 1;
	}

      if (tv[i].expected_error != ASN1_SUCCESS)
        continue;

      if (ret_len != tv[i].der_len-1)
	{
	  fprintf (stderr,
		   "%d: iter %lu: error in DER, length returned is %d, had %d\n",
		   __LINE__, (unsigned long)i, ret_len, tv[i].der_len-1);
	  return 1;
	}

      if (strcmp (tv[i].oid, str) != 0)
	{
	  fprintf (stderr,
		   "%d: strcmp iter %lu: got invalid OID: %s, expected: %s\n",
		   __LINE__, (unsigned long) i, str, tv[i].oid);
	  return 1;
	}

    }

  return 0;
}