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/*
* Copyright (C) 2011-2014 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/>.
*
* Written by Simon Josefsson
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "libtasn1.h"
struct tv
{
int der_len;
const unsigned char *der_str;
int len;
const unsigned char *string;
int expected_error;
int ber;
};
static const struct tv tv[] = {
/* primitive octet strings */
{.der_len = 10,
.der_str =
(void*)"\x04\x08\x01\x23\x45\x67\x89\xab\xcd\xef",
.len = 8,
.string =
(void*)"\x01\x23\x45\x67\x89\xab\xcd\xef",
.ber = 0},
{.der_len = 22,
.der_str =
(void*)"\x04\x14\x13\x00\xd9\xa8\x47\xf7\xf2\x1c\xf4\xb0\xec\x5f\xc1\x73\xe5\x1b\x25\xc2\x62\x27",
.len = 20,
.string =
(void*)"\x13\x00\xD9\xA8\x47\xF7\xF2\x1C\xF4\xB0\xEC\x5F\xC1\x73\xE5\x1B\x25\xC2\x62\x27"},
/* long type of length */
{.der_len = 23,
.der_str =
(void*)"\x04\x81\x14\x13\x00\xd9\xa8\x47\xf7\xf2\x1c\xf4\xb0\xec\x5f\xc1\x73\xe5\x1b\x25\xc2\x62\x27",
.len = 20,
.string =
(void*)"\x13\x00\xD9\xA8\x47\xF7\xF2\x1C\xF4\xB0\xEC\x5F\xC1\x73\xE5\x1B\x25\xC2\x62\x27",
.ber = 1},
{.der_len = 11,
.der_str =
(void*)"\x04\x81\x08\x01\x23\x45\x67\x89\xab\xcd\xef",
.len = 8,
.string =
(void*)"\x01\x23\x45\x67\x89\xab\xcd\xef",
.ber = 1},
/* constructed - indefinite */
{.der_len = 11,
.der_str = (void*)"\x24\x80\x04\x05\x01\x02\x03\x04\x05\x00\x00",
.len = 5,
.string = (void*)"\x01\x02\x03\x04\x05",
.ber = 1,
}
};
int
main (int argc, char *argv[])
{
unsigned char str[100];
unsigned char der[100];
int der_len = sizeof (der);
int str_size = sizeof (str);
unsigned char *tmp = NULL;
int ret, ret_len;
size_t i;
for (i = 0; i < sizeof (tv) / sizeof (tv[0]); i++)
{
/* Decode */
if (tv[i].ber == 0)
{
str_size = sizeof (str);
ret =
asn1_get_octet_der (tv[i].der_str + 1,
tv[i].der_len - 1, &ret_len, str,
sizeof (str), &str_size);
if (ret != tv[i].expected_error)
{
fprintf (stderr,
"%d: asn1_get_octet_der iter %lu: got %d expected %d\n",
__LINE__, (unsigned long) i, ret,
tv[i].expected_error);
return 1;
}
if (ret_len != tv[i].der_len - 1)
{
fprintf (stderr,
"%d: error in DER, length returned is %d, had %d\n",
__LINE__, ret_len, tv[i].der_len - 1);
return 1;
}
if (str_size != tv[i].len
|| memcmp (tv[i].string, str, tv[i].len) != 0)
{
fprintf (stderr,
"%d: memcmp iter %lu: got invalid decoding\n",
__LINE__, (unsigned long) i);
return 1;
}
/* Encode */
der_len = sizeof (der);
asn1_octet_der (str, str_size, der, &der_len);
if (der_len != tv[i].der_len - 1
|| memcmp (tv[i].der_str + 1, der, tv[i].der_len - 1) != 0)
{
fprintf (stderr,
"encoding iter %lu: got invalid encoding\n",
(unsigned long) i);
return 1;
}
}
ret =
asn1_decode_simple_ber (ASN1_ETYPE_OCTET_STRING,
tv[i].der_str, tv[i].der_len,
&tmp, (unsigned int*)&str_size, (unsigned int*)&der_len);
if (ret != tv[i].expected_error)
{
fprintf (stderr,
"%d: asn1_decode_simple_ber iter %lu: got %s expected %s\n",
__LINE__, (unsigned long) i, asn1_strerror(ret), asn1_strerror(tv[i].expected_error));
return 1;
}
if (der_len != tv[i].der_len)
{
fprintf (stderr,
"%d: error in iter %lu: DER, length returned is %d, had %d\n",
__LINE__, (unsigned long)i, der_len, tv[i].der_len);
return 1;
}
if (str_size != tv[i].len || memcmp (tv[i].string, tmp, tv[i].len) != 0)
{
fprintf (stderr,
"%d: memcmp iter %lu: got invalid decoding\n",
__LINE__, (unsigned long) i);
return 1;
}
free (tmp);
tmp = NULL;
}
return 0;
}
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