openssl/test/asn1_decode_test.c
Richard Levitte c2278c8bc4 TESTS: add test of decoding of invalid zero length ASN.1 INTEGER zero
Confirms #7134

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/7153)
2018-09-09 03:35:26 +02:00

174 lines
4.4 KiB
C

/*
* Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <string.h>
#include <openssl/rand.h>
#include <openssl/asn1t.h>
#include "internal/numbers.h"
#include "testutil.h"
#ifdef __GNUC__
# pragma GCC diagnostic ignored "-Wunused-function"
#endif
#ifdef __clang__
# pragma clang diagnostic ignored "-Wunused-function"
#endif
/* Badly coded ASN.1 INTEGER zero wrapped in a sequence */
static unsigned char t_invalid_zero[] = {
0x30, 0x02, /* SEQUENCE tag + length */
0x02, 0x00 /* INTEGER tag + length */
};
#if OPENSSL_API_COMPAT < 0x10200000L
/* LONG case ************************************************************* */
typedef struct {
long test_long;
} ASN1_LONG_DATA;
ASN1_SEQUENCE(ASN1_LONG_DATA) = {
ASN1_EMBED(ASN1_LONG_DATA, test_long, LONG),
} static_ASN1_SEQUENCE_END(ASN1_LONG_DATA)
IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_LONG_DATA)
IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_LONG_DATA)
static int test_long(void)
{
const unsigned char *p = t_invalid_zero;
ASN1_LONG_DATA *dectst =
d2i_ASN1_LONG_DATA(NULL, &p, sizeof(t_invalid_zero));
if (dectst == NULL)
return 0; /* Fail */
ASN1_LONG_DATA_free(dectst);
return 1;
}
#endif
/* INT32 case ************************************************************* */
typedef struct {
int32_t test_int32;
} ASN1_INT32_DATA;
ASN1_SEQUENCE(ASN1_INT32_DATA) = {
ASN1_EMBED(ASN1_INT32_DATA, test_int32, INT32),
} static_ASN1_SEQUENCE_END(ASN1_INT32_DATA)
IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_INT32_DATA)
IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_INT32_DATA)
static int test_int32(void)
{
const unsigned char *p = t_invalid_zero;
ASN1_INT32_DATA *dectst =
d2i_ASN1_INT32_DATA(NULL, &p, sizeof(t_invalid_zero));
if (dectst == NULL)
return 0; /* Fail */
ASN1_INT32_DATA_free(dectst);
return 1;
}
/* UINT32 case ************************************************************* */
typedef struct {
uint32_t test_uint32;
} ASN1_UINT32_DATA;
ASN1_SEQUENCE(ASN1_UINT32_DATA) = {
ASN1_EMBED(ASN1_UINT32_DATA, test_uint32, UINT32),
} static_ASN1_SEQUENCE_END(ASN1_UINT32_DATA)
IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_UINT32_DATA)
IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_UINT32_DATA)
static int test_uint32(void)
{
const unsigned char *p = t_invalid_zero;
ASN1_UINT32_DATA *dectst =
d2i_ASN1_UINT32_DATA(NULL, &p, sizeof(t_invalid_zero));
if (dectst == NULL)
return 0; /* Fail */
ASN1_UINT32_DATA_free(dectst);
return 1;
}
/* INT64 case ************************************************************* */
typedef struct {
int64_t test_int64;
} ASN1_INT64_DATA;
ASN1_SEQUENCE(ASN1_INT64_DATA) = {
ASN1_EMBED(ASN1_INT64_DATA, test_int64, INT64),
} static_ASN1_SEQUENCE_END(ASN1_INT64_DATA)
IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_INT64_DATA)
IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_INT64_DATA)
static int test_int64(void)
{
const unsigned char *p = t_invalid_zero;
ASN1_INT64_DATA *dectst =
d2i_ASN1_INT64_DATA(NULL, &p, sizeof(t_invalid_zero));
if (dectst == NULL)
return 0; /* Fail */
ASN1_INT64_DATA_free(dectst);
return 1;
}
/* UINT64 case ************************************************************* */
typedef struct {
uint64_t test_uint64;
} ASN1_UINT64_DATA;
ASN1_SEQUENCE(ASN1_UINT64_DATA) = {
ASN1_EMBED(ASN1_UINT64_DATA, test_uint64, UINT64),
} static_ASN1_SEQUENCE_END(ASN1_UINT64_DATA)
IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_UINT64_DATA)
IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_UINT64_DATA)
static int test_uint64(void)
{
const unsigned char *p = t_invalid_zero;
ASN1_UINT64_DATA *dectst =
d2i_ASN1_UINT64_DATA(NULL, &p, sizeof(t_invalid_zero));
if (dectst == NULL)
return 0; /* Fail */
ASN1_UINT64_DATA_free(dectst);
return 1;
}
int setup_tests(void)
{
#if OPENSSL_API_COMPAT < 0x10200000L
ADD_TEST(test_long);
#endif
ADD_TEST(test_int32);
ADD_TEST(test_uint32);
ADD_TEST(test_int64);
ADD_TEST(test_uint64);
return 1;
}