128 lines
2.9 KiB
C
128 lines
2.9 KiB
C
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/*
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* Message Processing Stack, Trace module
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*
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* Copyright The Mbed TLS Contributors
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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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#include "common.h"
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#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
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#include "mps_common.h"
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#if defined(MBEDTLS_MPS_ENABLE_TRACE)
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#include "mps_trace.h"
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#include <stdarg.h>
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static int trace_depth = 0;
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#define color_default "\x1B[0m"
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#define color_red "\x1B[1;31m"
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#define color_green "\x1B[1;32m"
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#define color_yellow "\x1B[1;33m"
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#define color_blue "\x1B[1;34m"
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#define color_magenta "\x1B[1;35m"
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#define color_cyan "\x1B[1;36m"
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#define color_white "\x1B[1;37m"
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static char const * colors[] =
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{
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color_default,
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color_green,
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color_yellow,
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color_magenta,
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color_cyan,
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color_blue,
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color_white
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};
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#define MPS_TRACE_BUF_SIZE 100
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void mbedtls_mps_trace_print_msg( int id, int line, const char *format, ... )
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{
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int ret;
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char str[MPS_TRACE_BUF_SIZE];
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va_list argp;
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va_start( argp, format );
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ret = mbedtls_vsnprintf( str, MPS_TRACE_BUF_SIZE, format, argp );
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va_end( argp );
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if( ret >= 0 && ret < MPS_TRACE_BUF_SIZE )
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{
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str[ret] = '\0';
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mbedtls_printf( "[%d|L%d]: %s\n", id, line, str );
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}
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}
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int mbedtls_mps_trace_get_depth()
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{
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return trace_depth;
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}
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void mbedtls_mps_trace_dec_depth()
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{
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trace_depth--;
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}
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void mbedtls_mps_trace_inc_depth()
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{
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trace_depth++;
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}
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void mbedtls_mps_trace_color( int id )
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{
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if( id > (int) ( sizeof( colors ) / sizeof( *colors ) ) )
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return;
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printf( "%s", colors[ id ] );
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}
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void mbedtls_mps_trace_indent( int level, mbedtls_mps_trace_type ty )
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{
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if( level > 0 )
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{
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while( --level )
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printf( "| " );
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printf( "| " );
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}
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switch( ty )
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{
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case MBEDTLS_MPS_TRACE_TYPE_COMMENT:
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mbedtls_printf( "@ " );
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break;
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case MBEDTLS_MPS_TRACE_TYPE_CALL:
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mbedtls_printf( "+--> " );
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break;
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case MBEDTLS_MPS_TRACE_TYPE_ERROR:
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mbedtls_printf( "E " );
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break;
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case MBEDTLS_MPS_TRACE_TYPE_RETURN:
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mbedtls_printf( "< " );
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break;
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default:
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break;
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}
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}
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#endif /* MBEDTLS_MPS_ENABLE_TRACE */
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#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
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