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/*
* Copyright (C) 2002-2022 Free Software Foundation, 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/>.
*
*/
/*****************************************************/
/* File: Test_tree.c */
/* Description: Test sequences for these functions: */
/* asn1_visit_tree, */
/* asn1_create_element, */
/* asn1_delete_structure, */
/* asn1_write_value, */
/* asn1_read_value, */
/*****************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "libtasn1.h"
int
main (int argc, char *argv[])
{
int result;
char buffer[5 * 1024];
char buffer2[5 * 1024];
asn1_node definitions = NULL;
asn1_node asn1_element = NULL, cpy_node = NULL;
char errorDescription[ASN1_MAX_ERROR_DESCRIPTION_SIZE];
FILE *out, *fd;
int start, end;
ssize_t size;
int size2;
const char *treefile = getenv ("ASN1PKIX");
const char *derfile = getenv ("ASN1CRLDER");
int verbose = 0;
if (argc > 1)
verbose = 1;
if (!treefile)
treefile = "pkix.asn";
if (!derfile)
derfile = "crl.der";
if (verbose)
{
printf ("\n\n/****************************************/\n");
printf ("/* Test sequence : Test_indefinite */\n");
printf ("/****************************************/\n\n");
printf ("ASN1TREE: %s\n", treefile);
}
/* Check version */
if (asn1_check_version ("0.3.3") == NULL)
printf ("\nLibrary version check ERROR:\n actual version: %s\n\n",
asn1_check_version (NULL));
result = asn1_parser2tree (treefile, &definitions, errorDescription);
if (result != ASN1_SUCCESS)
{
asn1_perror (result);
printf ("ErrorDescription = %s\n\n", errorDescription);
exit (1);
}
out = stdout;
fd = fopen (derfile, "rb");
if (fd == NULL)
{
printf ("Cannot read file %s\n", derfile);
exit (1);
}
size = fread (buffer, 1, sizeof (buffer), fd);
if (size <= 0)
{
printf ("Cannot read from file %s\n", derfile);
exit (1);
}
fclose (fd);
result =
asn1_create_element (definitions, "PKIX1.CertificateList", &asn1_element);
if (result != ASN1_SUCCESS)
{
asn1_perror (result);
printf ("Cannot create CRL element\n");
exit (1);
}
result = asn1_der_decoding (&asn1_element, buffer, size, errorDescription);
if (result != ASN1_SUCCESS)
{
asn1_perror (result);
printf ("Cannot decode DER data (size %ld)\n", (long) size);
exit (1);
}
/* test asn1_copy_node */
result =
asn1_create_element (definitions, "PKIX1.CertificateList", &cpy_node);
if (result != ASN1_SUCCESS)
{
asn1_perror (result);
printf ("Cannot create CRL element\n");
exit (1);
}
result = asn1_copy_node (cpy_node, "", asn1_element, "");
if (result != ASN1_SUCCESS)
{
asn1_perror (result);
printf ("Cannot copy node\n");
exit (1);
}
/* test whether the copied node encodes the same */
size2 = sizeof (buffer2);
result = asn1_der_coding (cpy_node, "", buffer2, &size2, NULL);
if (result != ASN1_SUCCESS)
{
asn1_perror (result);
printf ("Cannot encode data (size %ld)\n", (long) size);
exit (1);
}
if (size2 != size || memcmp (buffer, buffer2, size) != 0)
{
printf ("DER encoded data differ!\n");
exit (1);
}
asn1_delete_structure (&cpy_node);
/* Test asn1_dup_node */
cpy_node = asn1_dup_node (asn1_element, "");
if (cpy_node == NULL)
{
printf ("Cannot copy node (dup_node)\n");
exit (1);
}
/* test whether the copied node encodes the same */
size2 = sizeof (buffer2);
result = asn1_der_coding (cpy_node, "", buffer2, &size2, NULL);
if (result != ASN1_SUCCESS)
{
asn1_perror (result);
printf ("Cannot encode data (size %ld)\n", (long) size);
exit (1);
}
if (size2 != size || memcmp (buffer, buffer2, size) != 0)
{
printf ("DER encoded data differ!\n");
exit (1);
}
result =
asn1_der_decoding_startEnd (asn1_element, buffer, size,
"tbsCertList.issuer", &start, &end);
if (result != ASN1_SUCCESS)
{
asn1_perror (result);
printf ("Cannot find start End\n");
exit (1);
}
if (start != 24 && end != 291)
{
printf ("Error in start and end values for issuer. Have: %d..%d\n",
start, end);
exit (1);
}
result =
asn1_der_decoding_startEnd (asn1_element, buffer, size, "signature",
&start, &end);
if (result != ASN1_SUCCESS)
{
asn1_perror (result);
printf ("Cannot find start End\n");
exit (1);
}
if (start != 372 && end != 503)
{
printf ("Error in start and end values for signature. Have: %d..%d\n",
start, end);
exit (1);
}
/* Clear the definition structures */
asn1_delete_structure (&asn1_element);
asn1_delete_structure (&cpy_node);
asn1_delete_structure (&definitions);
if (out != stdout)
fclose (out);
exit (0);
}
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