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3ef6a6dc5c
The previous prototype gave warnings are the strings produced by #cond and
__FILE__ are const, so we shouldn't implicitly cast them to non-const.
While at it modifying most example programs:
- include the header that has the function declaration, so that the definition
can be checked to match by the compiler
- fix whitespace
- make it work even if PLATFORM_C is not defined:
- CHECK_PARAMS is not documented as depending on PLATFORM_C and there is
no reason why it should
- so, remove the corresponding #if defined in each program...
- and add missing #defines for mbedtls_exit when needed
The result has been tested (make all test with -Werror) with the following
configurations:
- full with CHECK_PARAMS with PLATFORM_C
- full with CHECK_PARAMS without PLATFORM_C
- full without CHECK_PARAMS without PLATFORM_C
- full without CHECK_PARAMS with PLATFORM_C
Additionally, it has been manually tested that adding
mbedtls_aes_init( NULL );
near the normal call to mbedtls_aes_init() in programs/aes/aescrypt2.c has the
expected effect when running the program.
121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/**
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* \brief Generate random data into a file
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#if defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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#else
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#include <stdio.h>
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#include <stdlib.h>
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#define mbedtls_fprintf fprintf
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#define mbedtls_printf printf
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#define mbedtls_exit exit
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#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
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#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
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#endif /* MBEDTLS_PLATFORM_C */
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#if defined(MBEDTLS_HAVEGE_C) && defined(MBEDTLS_FS_IO)
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#include "mbedtls/havege.h"
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#include <stdio.h>
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#include <time.h>
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#endif
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#if !defined(MBEDTLS_HAVEGE_C) || !defined(MBEDTLS_FS_IO)
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int main( void )
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{
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mbedtls_printf("MBEDTLS_HAVEGE_C not defined.\n");
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return( 0 );
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}
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#else
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#if defined(MBEDTLS_CHECK_PARAMS)
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#include "mbedtls/platform_util.h"
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void mbedtls_param_failed( const char *failure_condition,
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const char *file,
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int line )
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{
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mbedtls_printf( "%s:%i: Input param failed - %s\n",
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file, line, failure_condition );
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mbedtls_exit( MBEDTLS_EXIT_FAILURE );
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}
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#endif
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int main( int argc, char *argv[] )
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{
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FILE *f;
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time_t t;
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int i, k, ret = 1;
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int exit_code = MBEDTLS_EXIT_FAILURE;
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mbedtls_havege_state hs;
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unsigned char buf[1024];
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if( argc < 2 )
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{
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mbedtls_fprintf( stderr, "usage: %s <output filename>\n", argv[0] );
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return( exit_code );
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}
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if( ( f = fopen( argv[1], "wb+" ) ) == NULL )
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{
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mbedtls_printf( "failed to open '%s' for writing.\n", argv[1] );
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return( exit_code );
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}
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mbedtls_havege_init( &hs );
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t = time( NULL );
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for( i = 0, k = 768; i < k; i++ )
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{
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if( ( ret = mbedtls_havege_random( &hs, buf, sizeof( buf ) ) ) != 0 )
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{
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mbedtls_printf( " failed\n ! mbedtls_havege_random returned -0x%04X",
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-ret );
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goto exit;
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}
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fwrite( buf, sizeof( buf ), 1, f );
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mbedtls_printf( "Generating %ldkb of data in file '%s'... %04.1f" \
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"%% done\r", (long)(sizeof(buf) * k / 1024), argv[1], (100 * (float) (i + 1)) / k );
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fflush( stdout );
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}
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if( t == time( NULL ) )
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t--;
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mbedtls_printf(" \n ");
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exit_code = MBEDTLS_EXIT_SUCCESS;
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exit:
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mbedtls_havege_free( &hs );
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fclose( f );
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return( exit_code );
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}
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#endif /* MBEDTLS_HAVEGE_C */
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