|  | /** | 
|  | * \file debug.h | 
|  | * | 
|  | * \brief Functions for controlling and providing debug output from the library. | 
|  | */ | 
|  | /* | 
|  | *  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) | 
|  | */ | 
|  | #ifndef MBEDTLS_DEBUG_H | 
|  | #define MBEDTLS_DEBUG_H | 
|  |  | 
|  | #if !defined(MBEDTLS_CONFIG_FILE) | 
|  | #include "mbedtls/config.h" | 
|  | #else | 
|  | #include MBEDTLS_CONFIG_FILE | 
|  | #endif | 
|  |  | 
|  | #include "mbedtls/ssl.h" | 
|  |  | 
|  | #if defined(MBEDTLS_ECP_C) | 
|  | #include "mbedtls/ecp.h" | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_DEBUG_C) | 
|  |  | 
|  | #define MBEDTLS_DEBUG_STRIP_PARENS( ... )   __VA_ARGS__ | 
|  |  | 
|  | #define MBEDTLS_SSL_DEBUG_MSG( level, args )                    \ | 
|  | mbedtls_debug_print_msg( ssl, level, __FILE__, __LINE__,    \ | 
|  | MBEDTLS_DEBUG_STRIP_PARENS args ) | 
|  |  | 
|  | #define MBEDTLS_SSL_DEBUG_RET( level, text, ret )                \ | 
|  | mbedtls_debug_print_ret( ssl, level, __FILE__, __LINE__, text, ret ) | 
|  |  | 
|  | #define MBEDTLS_SSL_DEBUG_BUF( level, text, buf, len )           \ | 
|  | mbedtls_debug_print_buf( ssl, level, __FILE__, __LINE__, text, buf, len ) | 
|  |  | 
|  | #if defined(MBEDTLS_BIGNUM_C) | 
|  | #define MBEDTLS_SSL_DEBUG_MPI( level, text, X )                  \ | 
|  | mbedtls_debug_print_mpi( ssl, level, __FILE__, __LINE__, text, X ) | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_ECP_C) | 
|  | #define MBEDTLS_SSL_DEBUG_ECP( level, text, X )                  \ | 
|  | mbedtls_debug_print_ecp( ssl, level, __FILE__, __LINE__, text, X ) | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_X509_CRT_PARSE_C) | 
|  | #define MBEDTLS_SSL_DEBUG_CRT( level, text, crt )                \ | 
|  | mbedtls_debug_print_crt( ssl, level, __FILE__, __LINE__, text, crt ) | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_ECDH_C) | 
|  | #define MBEDTLS_SSL_DEBUG_ECDH( level, ecdh, attr )               \ | 
|  | mbedtls_debug_printf_ecdh( ssl, level, __FILE__, __LINE__, ecdh, attr ) | 
|  | #endif | 
|  |  | 
|  | #else /* MBEDTLS_DEBUG_C */ | 
|  |  | 
|  | #define MBEDTLS_SSL_DEBUG_MSG( level, args )            do { } while( 0 ) | 
|  | #define MBEDTLS_SSL_DEBUG_RET( level, text, ret )       do { } while( 0 ) | 
|  | #define MBEDTLS_SSL_DEBUG_BUF( level, text, buf, len )  do { } while( 0 ) | 
|  | #define MBEDTLS_SSL_DEBUG_MPI( level, text, X )         do { } while( 0 ) | 
|  | #define MBEDTLS_SSL_DEBUG_ECP( level, text, X )         do { } while( 0 ) | 
|  | #define MBEDTLS_SSL_DEBUG_CRT( level, text, crt )       do { } while( 0 ) | 
|  | #define MBEDTLS_SSL_DEBUG_ECDH( level, ecdh, attr )     do { } while( 0 ) | 
|  |  | 
|  | #endif /* MBEDTLS_DEBUG_C */ | 
|  |  | 
|  | #ifdef __cplusplus | 
|  | extern "C" { | 
|  | #endif | 
|  |  | 
|  | /** | 
|  | * \brief   Set the threshold error level to handle globally all debug output. | 
|  | *          Debug messages that have a level over the threshold value are | 
|  | *          discarded. | 
|  | *          (Default value: 0 = No debug ) | 
|  | * | 
|  | * \param threshold     theshold level of messages to filter on. Messages at a | 
|  | *                      higher level will be discarded. | 
|  | *                          - Debug levels | 
|  | *                              - 0 No debug | 
|  | *                              - 1 Error | 
|  | *                              - 2 State change | 
|  | *                              - 3 Informational | 
|  | *                              - 4 Verbose | 
|  | */ | 
|  | void mbedtls_debug_set_threshold( int threshold ); | 
|  |  | 
|  | /** | 
|  | * \brief    Print a message to the debug output. This function is always used | 
|  | *          through the MBEDTLS_SSL_DEBUG_MSG() macro, which supplies the ssl | 
|  | *          context, file and line number parameters. | 
|  | * | 
|  | * \param ssl       SSL context | 
|  | * \param level     error level of the debug message | 
|  | * \param file      file the message has occurred in | 
|  | * \param line      line number the message has occurred at | 
|  | * \param format    format specifier, in printf format | 
|  | * \param ...       variables used by the format specifier | 
|  | * | 
|  | * \attention       This function is intended for INTERNAL usage within the | 
|  | *                  library only. | 
|  | */ | 
|  | void mbedtls_debug_print_msg( const mbedtls_ssl_context *ssl, int level, | 
|  | const char *file, int line, | 
|  | const char *format, ... ); | 
|  |  | 
|  | /** | 
|  | * \brief   Print the return value of a function to the debug output. This | 
|  | *          function is always used through the MBEDTLS_SSL_DEBUG_RET() macro, | 
|  | *          which supplies the ssl context, file and line number parameters. | 
|  | * | 
|  | * \param ssl       SSL context | 
|  | * \param level     error level of the debug message | 
|  | * \param file      file the error has occurred in | 
|  | * \param line      line number the error has occurred in | 
|  | * \param text      the name of the function that returned the error | 
|  | * \param ret       the return code value | 
|  | * | 
|  | * \attention       This function is intended for INTERNAL usage within the | 
|  | *                  library only. | 
|  | */ | 
|  | void mbedtls_debug_print_ret( const mbedtls_ssl_context *ssl, int level, | 
|  | const char *file, int line, | 
|  | const char *text, int ret ); | 
|  |  | 
|  | /** | 
|  | * \brief   Output a buffer of size len bytes to the debug output. This function | 
|  | *          is always used through the MBEDTLS_SSL_DEBUG_BUF() macro, | 
|  | *          which supplies the ssl context, file and line number parameters. | 
|  | * | 
|  | * \param ssl       SSL context | 
|  | * \param level     error level of the debug message | 
|  | * \param file      file the error has occurred in | 
|  | * \param line      line number the error has occurred in | 
|  | * \param text      a name or label for the buffer being dumped. Normally the | 
|  | *                  variable or buffer name | 
|  | * \param buf       the buffer to be outputted | 
|  | * \param len       length of the buffer | 
|  | * | 
|  | * \attention       This function is intended for INTERNAL usage within the | 
|  | *                  library only. | 
|  | */ | 
|  | void mbedtls_debug_print_buf( const mbedtls_ssl_context *ssl, int level, | 
|  | const char *file, int line, const char *text, | 
|  | const unsigned char *buf, size_t len ); | 
|  |  | 
|  | #if defined(MBEDTLS_BIGNUM_C) | 
|  | /** | 
|  | * \brief   Print a MPI variable to the debug output. This function is always | 
|  | *          used through the MBEDTLS_SSL_DEBUG_MPI() macro, which supplies the | 
|  | *          ssl context, file and line number parameters. | 
|  | * | 
|  | * \param ssl       SSL context | 
|  | * \param level     error level of the debug message | 
|  | * \param file      file the error has occurred in | 
|  | * \param line      line number the error has occurred in | 
|  | * \param text      a name or label for the MPI being output. Normally the | 
|  | *                  variable name | 
|  | * \param X         the MPI variable | 
|  | * | 
|  | * \attention       This function is intended for INTERNAL usage within the | 
|  | *                  library only. | 
|  | */ | 
|  | void mbedtls_debug_print_mpi( const mbedtls_ssl_context *ssl, int level, | 
|  | const char *file, int line, | 
|  | const char *text, const mbedtls_mpi *X ); | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_ECP_C) | 
|  | /** | 
|  | * \brief   Print an ECP point to the debug output. This function is always | 
|  | *          used through the MBEDTLS_SSL_DEBUG_ECP() macro, which supplies the | 
|  | *          ssl context, file and line number parameters. | 
|  | * | 
|  | * \param ssl       SSL context | 
|  | * \param level     error level of the debug message | 
|  | * \param file      file the error has occurred in | 
|  | * \param line      line number the error has occurred in | 
|  | * \param text      a name or label for the ECP point being output. Normally the | 
|  | *                  variable name | 
|  | * \param X         the ECP point | 
|  | * | 
|  | * \attention       This function is intended for INTERNAL usage within the | 
|  | *                  library only. | 
|  | */ | 
|  | void mbedtls_debug_print_ecp( const mbedtls_ssl_context *ssl, int level, | 
|  | const char *file, int line, | 
|  | const char *text, const mbedtls_ecp_point *X ); | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_X509_CRT_PARSE_C) | 
|  | /** | 
|  | * \brief   Print a X.509 certificate structure to the debug output. This | 
|  | *          function is always used through the MBEDTLS_SSL_DEBUG_CRT() macro, | 
|  | *          which supplies the ssl context, file and line number parameters. | 
|  | * | 
|  | * \param ssl       SSL context | 
|  | * \param level     error level of the debug message | 
|  | * \param file      file the error has occurred in | 
|  | * \param line      line number the error has occurred in | 
|  | * \param text      a name or label for the certificate being output | 
|  | * \param crt       X.509 certificate structure | 
|  | * | 
|  | * \attention       This function is intended for INTERNAL usage within the | 
|  | *                  library only. | 
|  | */ | 
|  | void mbedtls_debug_print_crt( const mbedtls_ssl_context *ssl, int level, | 
|  | const char *file, int line, | 
|  | const char *text, const mbedtls_x509_crt *crt ); | 
|  | #endif | 
|  |  | 
|  | #if defined(MBEDTLS_ECDH_C) | 
|  | typedef enum | 
|  | { | 
|  | MBEDTLS_DEBUG_ECDH_Q, | 
|  | MBEDTLS_DEBUG_ECDH_QP, | 
|  | MBEDTLS_DEBUG_ECDH_Z, | 
|  | } mbedtls_debug_ecdh_attr; | 
|  |  | 
|  | /** | 
|  | * \brief   Print a field of the ECDH structure in the SSL context to the debug | 
|  | *          output. This function is always used through the | 
|  | *          MBEDTLS_SSL_DEBUG_ECDH() macro, which supplies the ssl context, file | 
|  | *          and line number parameters. | 
|  | * | 
|  | * \param ssl       SSL context | 
|  | * \param level     error level of the debug message | 
|  | * \param file      file the error has occurred in | 
|  | * \param line      line number the error has occurred in | 
|  | * \param ecdh      the ECDH context | 
|  | * \param attr      the identifier of the attribute being output | 
|  | * | 
|  | * \attention       This function is intended for INTERNAL usage within the | 
|  | *                  library only. | 
|  | */ | 
|  | void mbedtls_debug_printf_ecdh( const mbedtls_ssl_context *ssl, int level, | 
|  | const char *file, int line, | 
|  | const mbedtls_ecdh_context *ecdh, | 
|  | mbedtls_debug_ecdh_attr attr ); | 
|  | #endif | 
|  |  | 
|  | #ifdef __cplusplus | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #endif /* debug.h */ |