mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-12-30 22:05:38 +00:00
67aed9ada6
Simplify the guards on MBEDTLS_ERROR_C and MBEDTLS_ERROR_STRERROR_DUMMY. No longer include superfluous headers and definition: platform.h is only needed for MBEDTLS_ERROR_C; time_t is not needed at all. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
166 lines
3.9 KiB
Plaintext
166 lines
3.9 KiB
Plaintext
/*
|
|
* Error message information
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "common.h"
|
|
|
|
#include "mbedtls/error.h"
|
|
|
|
#if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
|
|
|
|
#if defined(MBEDTLS_ERROR_C)
|
|
|
|
#if defined(MBEDTLS_PLATFORM_C)
|
|
#include "mbedtls/platform.h"
|
|
#else
|
|
#define mbedtls_snprintf snprintf
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
HEADER_INCLUDED
|
|
|
|
const char * mbedtls_high_level_strerr( int error_code )
|
|
{
|
|
int high_level_error_code;
|
|
|
|
if( error_code < 0 )
|
|
error_code = -error_code;
|
|
|
|
/* Extract the high-level part from the error code. */
|
|
high_level_error_code = error_code & 0xFF80;
|
|
|
|
switch( high_level_error_code )
|
|
{
|
|
/* Begin Auto-Generated Code. */
|
|
HIGH_LEVEL_CODE_CHECKS
|
|
/* End Auto-Generated Code. */
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return( NULL );
|
|
}
|
|
|
|
const char * mbedtls_low_level_strerr( int error_code )
|
|
{
|
|
int low_level_error_code;
|
|
|
|
if( error_code < 0 )
|
|
error_code = -error_code;
|
|
|
|
/* Extract the low-level part from the error code. */
|
|
low_level_error_code = error_code & ~0xFF80;
|
|
|
|
switch( low_level_error_code )
|
|
{
|
|
/* Begin Auto-Generated Code. */
|
|
LOW_LEVEL_CODE_CHECKS
|
|
/* End Auto-Generated Code. */
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return( NULL );
|
|
}
|
|
|
|
void mbedtls_strerror( int ret, char *buf, size_t buflen )
|
|
{
|
|
size_t len;
|
|
int use_ret;
|
|
const char * high_level_error_description = NULL;
|
|
const char * low_level_error_description = NULL;
|
|
|
|
if( buflen == 0 )
|
|
return;
|
|
|
|
memset( buf, 0x00, buflen );
|
|
|
|
if( ret < 0 )
|
|
ret = -ret;
|
|
|
|
if( ret & 0xFF80 )
|
|
{
|
|
use_ret = ret & 0xFF80;
|
|
|
|
// Translate high level error code.
|
|
high_level_error_description = mbedtls_high_level_strerr( ret );
|
|
|
|
if( high_level_error_description == NULL )
|
|
mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", (unsigned int) use_ret );
|
|
else
|
|
mbedtls_snprintf( buf, buflen, "%s", high_level_error_description );
|
|
|
|
#if defined(MBEDTLS_SSL_TLS_C)
|
|
// Early return in case of a fatal error - do not try to translate low
|
|
// level code.
|
|
if(use_ret == -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE))
|
|
return;
|
|
#endif /* MBEDTLS_SSL_TLS_C */
|
|
}
|
|
|
|
use_ret = ret & ~0xFF80;
|
|
|
|
if( use_ret == 0 )
|
|
return;
|
|
|
|
// If high level code is present, make a concatenation between both
|
|
// error strings.
|
|
//
|
|
len = strlen( buf );
|
|
|
|
if( len > 0 )
|
|
{
|
|
if( buflen - len < 5 )
|
|
return;
|
|
|
|
mbedtls_snprintf( buf + len, buflen - len, " : " );
|
|
|
|
buf += len + 3;
|
|
buflen -= len + 3;
|
|
}
|
|
|
|
// Translate low level error code.
|
|
low_level_error_description = mbedtls_low_level_strerr( ret );
|
|
|
|
if( low_level_error_description == NULL )
|
|
mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", (unsigned int) use_ret );
|
|
else
|
|
mbedtls_snprintf( buf, buflen, "%s", low_level_error_description );
|
|
}
|
|
|
|
#else /* MBEDTLS_ERROR_C */
|
|
|
|
/*
|
|
* Provide an non-function in case MBEDTLS_ERROR_C is not defined
|
|
*/
|
|
void mbedtls_strerror( int ret, char *buf, size_t buflen )
|
|
{
|
|
((void) ret);
|
|
|
|
if( buflen > 0 )
|
|
buf[0] = '\0';
|
|
}
|
|
|
|
#endif /* MBEDTLS_ERROR_C */
|
|
|
|
#endif /* MBEDTLS_ERROR_C || MBEDTLS_ERROR_STRERROR_DUMMY */
|