| /** |
| * \file debug.h |
| * |
| * \brief Functions for controlling and providing debug output from the library. |
| */ |
| /* |
| * 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. |
| */ |
| #ifndef MBEDTLS_DEBUG_H |
| #define MBEDTLS_DEBUG_H |
| |
| #include "mbedtls/build_info.h" |
| |
| #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) |
| #if !defined(MBEDTLS_X509_REMOVE_INFO) |
| #define MBEDTLS_SSL_DEBUG_CRT(level, text, crt) \ |
| mbedtls_debug_print_crt(ssl, level, __FILE__, __LINE__, text, crt) |
| #else |
| #define MBEDTLS_SSL_DEBUG_CRT(level, text, crt) do { } while (0) |
| #endif /* MBEDTLS_X509_REMOVE_INFO */ |
| #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
| |
| #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 */ |
| |
| /** |
| * \def MBEDTLS_PRINTF_ATTRIBUTE |
| * |
| * Mark a function as having printf attributes, and thus enable checking |
| * via -wFormat and other flags. This does nothing on builds with compilers |
| * that do not support the format attribute |
| * |
| * Module: library/debug.c |
| * Caller: |
| * |
| * This module provides debugging functions. |
| */ |
| #if defined(__has_attribute) |
| #if __has_attribute(format) |
| #if defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 1 |
| #define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check) \ |
| __attribute__((__format__(gnu_printf, string_index, first_to_check))) |
| #else /* defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 1 */ |
| #define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check) \ |
| __attribute__((format(printf, string_index, first_to_check))) |
| #endif |
| #else /* __has_attribute(format) */ |
| #define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check) |
| #endif /* __has_attribute(format) */ |
| #else /* defined(__has_attribute) */ |
| #define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check) |
| #endif |
| |
| /** |
| * \def MBEDTLS_PRINTF_SIZET |
| * |
| * MBEDTLS_PRINTF_xxx: Due to issues with older window compilers |
| * and MinGW we need to define the printf specifier for size_t |
| * and long long per platform. |
| * |
| * Module: library/debug.c |
| * Caller: |
| * |
| * This module provides debugging functions. |
| */ |
| #if (defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1800) |
| #include <inttypes.h> |
| #define MBEDTLS_PRINTF_SIZET PRIuPTR |
| #define MBEDTLS_PRINTF_LONGLONG "I64d" |
| #else \ |
| /* (defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1800) */ |
| #define MBEDTLS_PRINTF_SIZET "zu" |
| #define MBEDTLS_PRINTF_LONGLONG "lld" |
| #endif \ |
| /* (defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1800) */ |
| |
| #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 threshold 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, ...) MBEDTLS_PRINTF_ATTRIBUTE(5, 6); |
| |
| /** |
| * \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) && !defined(MBEDTLS_X509_REMOVE_INFO) |
| /** |
| * \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 */ |