mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-12-23 17:55:37 +00:00
51681556cf
Add infrastructure to run unit tests and collect the return values for
every PSA API function that returns psa_status_t.
./tests/scripts/psa_collect_statuses.py >statuses.txt
131 lines
4.5 KiB
C
131 lines
4.5 KiB
C
/*
|
|
* Helper functions for tests that use the PSA Crypto API.
|
|
*/
|
|
/* Copyright (C) 2019, ARM Limited, All Rights Reserved
|
|
* 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.
|
|
*
|
|
* This file is part of mbed TLS (https://tls.mbed.org)
|
|
*/
|
|
|
|
#ifndef PSA_CRYPTO_HELPERS_H
|
|
#define PSA_CRYPTO_HELPERS_H
|
|
|
|
#include "psa_helpers.h"
|
|
|
|
#include <psa/crypto.h>
|
|
|
|
static int test_helper_is_psa_pristine( int line, const char *file )
|
|
{
|
|
mbedtls_psa_stats_t stats;
|
|
const char *msg = NULL;
|
|
|
|
mbedtls_psa_get_stats( &stats );
|
|
|
|
if( stats.volatile_slots != 0 )
|
|
msg = "A volatile slot has not been closed properly.";
|
|
else if( stats.persistent_slots != 0 )
|
|
msg = "A persistent slot has not been closed properly.";
|
|
else if( stats.external_slots != 0 )
|
|
msg = "An external slot has not been closed properly.";
|
|
else if( stats.half_filled_slots != 0 )
|
|
msg = "A half-filled slot has not been cleared properly.";
|
|
|
|
/* If the test has already failed, don't overwrite the failure
|
|
* information. Do keep the stats lookup above, because it can be
|
|
* convenient to break on it when debugging a failure. */
|
|
if( msg != NULL && test_info.result == TEST_RESULT_SUCCESS )
|
|
test_fail( msg, line, file );
|
|
|
|
return( msg == NULL );
|
|
}
|
|
|
|
/** Check that no PSA Crypto key slots are in use.
|
|
*/
|
|
#define ASSERT_PSA_PRISTINE( ) \
|
|
do \
|
|
{ \
|
|
if( ! test_helper_is_psa_pristine( __LINE__, __FILE__ ) ) \
|
|
goto exit; \
|
|
} \
|
|
while( 0 )
|
|
|
|
static void test_helper_psa_done( int line, const char *file )
|
|
{
|
|
(void) test_helper_is_psa_pristine( line, file );
|
|
mbedtls_psa_crypto_free( );
|
|
}
|
|
|
|
/** Shut down the PSA Crypto subsystem. Expect a clean shutdown, with no slots
|
|
* in use.
|
|
*/
|
|
#define PSA_DONE( ) test_helper_psa_done( __LINE__, __FILE__ )
|
|
|
|
|
|
|
|
#if defined(RECORD_PSA_STATUS_COVERAGE_LOG)
|
|
#include <psa/crypto.h>
|
|
|
|
/** Name of the file where return statuses are logged by #RECORD_STATUS. */
|
|
#define STATUS_LOG_FILE_NAME "statuses.log"
|
|
|
|
static psa_status_t record_status( psa_status_t status,
|
|
const char *func,
|
|
const char *file, int line,
|
|
const char *expr )
|
|
{
|
|
/* We open the log file on first use.
|
|
* We never close the log file, so the record_status feature is not
|
|
* compatible with resource leak detectors such as Asan.
|
|
*/
|
|
static FILE *log;
|
|
if( log == NULL )
|
|
log = fopen( STATUS_LOG_FILE_NAME, "a" );
|
|
fprintf( log, "%d:%s:%s:%d:%s\n", (int) status, func, file, line, expr );
|
|
return( status );
|
|
}
|
|
|
|
/** Return value logging wrapper macro.
|
|
*
|
|
* Evaluate \p expr. Write a line recording its value to the log file
|
|
* #STATUS_LOG_FILE_NAME and return the value. The line is a colon-separated
|
|
* list of fields:
|
|
* ```
|
|
* value of expr:string:__FILE__:__LINE__:expr
|
|
* ```
|
|
*
|
|
* The test code does not call this macro explicitly because that would
|
|
* be very invasive. Instead, we instrument the source code by defining
|
|
* a bunch of wrapper macros like
|
|
* ```
|
|
* #define psa_crypto_init() RECORD_STATUS("psa_crypto_init", psa_crypto_init())
|
|
* ```
|
|
* These macro definitions must be present in `instrument_record_status.h`
|
|
* when building the test suites.
|
|
*
|
|
* \param string A string, normally a function name.
|
|
* \param expr An expression to evaluate, normally a call of the function
|
|
* whose name is in \p string. This expression must return
|
|
* a value of type #psa_status_t.
|
|
* \return The value of \p expr.
|
|
*/
|
|
#define RECORD_STATUS( string, expr ) \
|
|
record_status( ( expr ), string, __FILE__, __LINE__, #expr )
|
|
|
|
#include "instrument_record_status.h"
|
|
|
|
#endif /* defined(RECORD_PSA_STATUS_COVERAGE_LOG) */
|
|
|
|
#endif /* PSA_CRYPTO_HELPERS_H */
|