193 lines
6.7 KiB
C
193 lines
6.7 KiB
C
/**
|
|
* \file helpers.h
|
|
*
|
|
* \brief This file contains the prototypes of helper functions for the
|
|
* purpose of testing.
|
|
*/
|
|
|
|
/*
|
|
* Copyright The Mbed TLS Contributors
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
* not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef TEST_HELPERS_H
|
|
#define TEST_HELPERS_H
|
|
|
|
#if !defined(MBEDTLS_CONFIG_FILE)
|
|
#include "mbedtls/config.h"
|
|
#else
|
|
#include MBEDTLS_CONFIG_FILE
|
|
#endif
|
|
|
|
#if defined(MBEDTLS_PLATFORM_C)
|
|
#include "mbedtls/platform.h"
|
|
#else
|
|
#include <stdio.h>
|
|
#define mbedtls_fprintf fprintf
|
|
#define mbedtls_snprintf snprintf
|
|
#define mbedtls_calloc calloc
|
|
#define mbedtls_free free
|
|
#define mbedtls_exit exit
|
|
#define mbedtls_time time
|
|
#define mbedtls_time_t time_t
|
|
#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
|
|
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
|
|
#endif
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
int mbedtls_test_platform_setup( void );
|
|
void mbedtls_test_platform_teardown( void );
|
|
|
|
/**
|
|
* \brief This function decodes the hexadecimal representation of
|
|
* data.
|
|
*
|
|
* \note The output buffer can be the same as the input buffer. For
|
|
* any other overlapping of the input and output buffers, the
|
|
* behavior is undefined.
|
|
*
|
|
* \param obuf Output buffer.
|
|
* \param obufmax Size in number of bytes of \p obuf.
|
|
* \param ibuf Input buffer.
|
|
* \param len The number of unsigned char written in \p obuf. This must
|
|
* not be \c NULL.
|
|
*
|
|
* \return \c 0 on success.
|
|
* \return \c -1 if the output buffer is too small or the input string
|
|
* is not a valid hexadecimal representation.
|
|
*/
|
|
int mbedtls_test_unhexify( unsigned char *obuf, size_t obufmax,
|
|
const char *ibuf, size_t *len );
|
|
|
|
void mbedtls_test_hexify( unsigned char *obuf,
|
|
const unsigned char *ibuf,
|
|
int len );
|
|
|
|
/**
|
|
* Allocate and zeroize a buffer.
|
|
*
|
|
* If the size if zero, a pointer to a zeroized 1-byte buffer is returned.
|
|
*
|
|
* For convenience, dies if allocation fails.
|
|
*/
|
|
unsigned char *mbedtls_test_zero_alloc( size_t len );
|
|
|
|
/**
|
|
* Allocate and fill a buffer from hex data.
|
|
*
|
|
* The buffer is sized exactly as needed. This allows to detect buffer
|
|
* overruns (including overreads) when running the test suite under valgrind.
|
|
*
|
|
* If the size if zero, a pointer to a zeroized 1-byte buffer is returned.
|
|
*
|
|
* For convenience, dies if allocation fails.
|
|
*/
|
|
unsigned char *mbedtls_test_unhexify_alloc( const char *ibuf, size_t *olen );
|
|
|
|
int mbedtls_test_hexcmp( uint8_t * a, uint8_t * b,
|
|
uint32_t a_len, uint32_t b_len );
|
|
|
|
#if defined(MBEDTLS_CHECK_PARAMS)
|
|
|
|
typedef struct
|
|
{
|
|
const char *failure_condition;
|
|
const char *file;
|
|
int line;
|
|
}
|
|
mbedtls_test_param_failed_location_record_t;
|
|
|
|
/**
|
|
* \brief Get the location record of the last call to
|
|
* mbedtls_test_param_failed().
|
|
*
|
|
* \note The call expectation is set up and active until the next call to
|
|
* mbedtls_test_param_failed_check_expected_call() or
|
|
* mbedtls_param_failed() that cancels it.
|
|
*/
|
|
void mbedtls_test_param_failed_get_location_record(
|
|
mbedtls_test_param_failed_location_record_t *location_record );
|
|
|
|
/**
|
|
* \brief State that a call to mbedtls_param_failed() is expected.
|
|
*
|
|
* \note The call expectation is set up and active until the next call to
|
|
* mbedtls_test_param_failed_check_expected_call() or
|
|
* mbedtls_param_failed that cancel it.
|
|
*/
|
|
void mbedtls_test_param_failed_expect_call( void );
|
|
|
|
/**
|
|
* \brief Check whether mbedtls_param_failed() has been called as expected.
|
|
*
|
|
* \note Check whether mbedtls_param_failed() has been called between the
|
|
* last call to mbedtls_test_param_failed_expect_call() and the call
|
|
* to this function.
|
|
*
|
|
* \return \c 0 Since the last call to mbedtls_param_failed_expect_call(),
|
|
* mbedtls_param_failed() has been called.
|
|
* \c -1 Otherwise.
|
|
*/
|
|
int mbedtls_test_param_failed_check_expected_call( void );
|
|
|
|
/**
|
|
* \brief Get the address of the object of type jmp_buf holding the execution
|
|
* state information used by mbedtls_param_failed() to do a long jump.
|
|
*
|
|
* \note If a call to mbedtls_param_failed() is not expected in the sense
|
|
* that there is no call to mbedtls_test_param_failed_expect_call()
|
|
* preceding it, then mbedtls_param_failed() will try to restore the
|
|
* execution to the state stored in the jmp_buf object whose address
|
|
* is returned by the present function.
|
|
*
|
|
* \note This function is intended to provide the parameter of the
|
|
* setjmp() function to set-up where mbedtls_param_failed() should
|
|
* long-jump if it has to. It is foreseen to be used as:
|
|
*
|
|
* setjmp( mbedtls_test_param_failed_get_state_buf() ).
|
|
*
|
|
* \note The type of the returned value is not jmp_buf as jmp_buf is an
|
|
* an array type (C specification) and a function cannot return an
|
|
* array type.
|
|
*
|
|
* \note The type of the returned value is not jmp_buf* as then the return
|
|
* value couldn't be used by setjmp(), as its parameter's type is
|
|
* jmp_buf.
|
|
*
|
|
* \return Address of the object of type jmp_buf holding the execution state
|
|
* information used by mbedtls_param_failed() to do a long jump.
|
|
*/
|
|
void* mbedtls_test_param_failed_get_state_buf( void );
|
|
|
|
/**
|
|
* \brief Reset the execution state used by mbedtls_param_failed() to do a
|
|
* long jump.
|
|
*
|
|
* \note If a call to mbedtls_param_failed() is not expected in the sense
|
|
* that there is no call to mbedtls_test_param_failed_expect_call()
|
|
* preceding it, then mbedtls_param_failed() will try to restore the
|
|
* execution state that this function reset.
|
|
*
|
|
* \note It is recommended to reset the execution state when the state
|
|
* is not relevant anymore. That way an unexpected call to
|
|
* mbedtls_param_failed() will not trigger a long jump with
|
|
* undefined behavior but rather a long jump that will rather fault.
|
|
*/
|
|
void mbedtls_test_param_failed_reset_state( void );
|
|
#endif /* MBEDTLS_CHECK_PARAMS */
|
|
|
|
#endif /* TEST_HELPERS_H */
|