mbedtls/programs/x509/crl_app.c
Krzysztof Stachowiak 5e1b195d1f Unify the example programs' termination
This is done to account for platforms, for which we want custom behavior
upon the program termination, hence we call `mbedtls_exit()` instead of
returning from `main()`.
2019-08-16 06:37:42 +02:00

153 lines
3.7 KiB
C

/*
* CRL reading application
*
* Copyright (C) 2006-2015, 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)
*/
#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>
#include <stdlib.h>
#define mbedtls_printf printf
#define mbedtls_exit exit
#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#endif /* MBEDTLS_PLATFORM_C */
#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) || \
!defined(MBEDTLS_X509_CRL_PARSE_C) || !defined(MBEDTLS_FS_IO)
int main( void )
{
mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
"MBEDTLS_X509_CRL_PARSE_C and/or MBEDTLS_FS_IO not defined.\n");
mbedtls_exit( 0 );
}
#else
#include "mbedtls/x509_crl.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define DFL_FILENAME "crl.pem"
#define DFL_DEBUG_LEVEL 0
#define USAGE \
"\n usage: crl_app param=<>...\n" \
"\n acceptable parameters:\n" \
" filename=%%s default: crl.pem\n" \
"\n"
/*
* global options
*/
struct options
{
const char *filename; /* filename of the certificate file */
} opt;
int main( int argc, char *argv[] )
{
int ret = 1;
int exit_code = MBEDTLS_EXIT_FAILURE;
unsigned char buf[100000];
mbedtls_x509_crl crl;
int i;
char *p, *q;
/*
* Set to sane values
*/
mbedtls_x509_crl_init( &crl );
if( argc == 0 )
{
usage:
mbedtls_printf( USAGE );
goto exit;
}
opt.filename = DFL_FILENAME;
for( i = 1; i < argc; i++ )
{
p = argv[i];
if( ( q = strchr( p, '=' ) ) == NULL )
goto usage;
*q++ = '\0';
if( strcmp( p, "filename" ) == 0 )
opt.filename = q;
else
goto usage;
}
/*
* 1.1. Load the CRL
*/
mbedtls_printf( "\n . Loading the CRL ..." );
fflush( stdout );
ret = mbedtls_x509_crl_parse_file( &crl, opt.filename );
if( ret != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_x509_crl_parse_file returned %d\n\n", ret );
mbedtls_x509_crl_free( &crl );
goto exit;
}
mbedtls_printf( " ok\n" );
/*
* 1.2 Print the CRL
*/
mbedtls_printf( " . CRL information ...\n" );
ret = mbedtls_x509_crl_info( (char *) buf, sizeof( buf ) - 1, " ", &crl );
if( ret == -1 )
{
mbedtls_printf( " failed\n ! mbedtls_x509_crl_info returned %d\n\n", ret );
mbedtls_x509_crl_free( &crl );
goto exit;
}
mbedtls_printf( "%s\n", buf );
exit_code = MBEDTLS_EXIT_SUCCESS;
exit:
mbedtls_x509_crl_free( &crl );
#if defined(_WIN32)
mbedtls_printf( " + Press Enter to exit this program.\n" );
fflush( stdout ); getchar();
#endif
mbedtls_exit( exit_code );
}
#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_X509_CRL_PARSE_C &&
MBEDTLS_FS_IO */