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/*
* Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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 <openssl/obj_mac.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 */
};
#ifndef OPENSSL_NO_DEPRECATED_3_0
/* 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;
}
typedef struct {
ASN1_STRING *invalidDirString;
} INVALIDTEMPLATE;
ASN1_SEQUENCE(INVALIDTEMPLATE) = {
/*
* DirectoryString is a CHOICE type so it must use explicit tagging -
* but we deliberately use implicit here, which makes this template invalid.
*/
ASN1_IMP(INVALIDTEMPLATE, invalidDirString, DIRECTORYSTRING, 12)
} static_ASN1_SEQUENCE_END(INVALIDTEMPLATE)
IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(INVALIDTEMPLATE)
IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(INVALIDTEMPLATE)
/* Empty sequence for invalid template test */
static unsigned char t_invalid_template[] = {
0x30, 0x03, /* SEQUENCE tag + length */
0x0c, 0x01, 0x41 /* UTF8String, length 1, "A" */
};
static int test_invalid_template(void)
{
const unsigned char *p = t_invalid_template;
INVALIDTEMPLATE *tmp = d2i_INVALIDTEMPLATE(NULL, &p,
sizeof(t_invalid_template));
/* We expect a NULL pointer return */
if (TEST_ptr_null(tmp))
return 1;
INVALIDTEMPLATE_free(tmp);
return 0;
}
static int test_reuse_asn1_object(void)
{
static unsigned char cn_der[] = { 0x06, 0x03, 0x55, 0x04, 0x06 };
static unsigned char oid_der[] = {
0x06, 0x06, 0x2a, 0x03, 0x04, 0x05, 0x06, 0x07
};
int ret = 0;
ASN1_OBJECT *obj;
unsigned char const *p = oid_der;
/* Create an object that owns dynamically allocated 'sn' and 'ln' fields */
if (!TEST_ptr(obj = ASN1_OBJECT_create(NID_undef, cn_der, sizeof(cn_der),
"C", "countryName")))
goto err;
/* reuse obj - this should not leak sn and ln */
if (!TEST_ptr(d2i_ASN1_OBJECT(&obj, &p, sizeof(oid_der))))
goto err;
ret = 1;
err:
ASN1_OBJECT_free(obj);
return ret;
}
int setup_tests(void)
{
#ifndef OPENSSL_NO_DEPRECATED_3_0
ADD_TEST(test_long);
#endif
ADD_TEST(test_int32);
ADD_TEST(test_uint32);
ADD_TEST(test_int64);
ADD_TEST(test_uint64);
ADD_TEST(test_invalid_template);
ADD_TEST(test_reuse_asn1_object);
return 1;
}
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