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https://github.com/yuzu-emu/mbedtls
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Platform abstraction layer for memory, printf and fprintf
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parent
ab50d8d30c
commit
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5 changed files with 205 additions and 1 deletions
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@ -113,6 +113,24 @@
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* Comment if your system does not support the IPv6 socket interface
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*/
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#define POLARSSL_HAVE_IPV6
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/**
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* \def POLARSSL_PLATFORM_XXX_ALT
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*
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* Uncomment a macro to let PolarSSL support the function in the platform
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* abstraction layer.
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*
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* Example: In case you uncomment POLARSSL_PLATFORM_PRINTF_ALT, PolarSSL will
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* provide a function "platform_set_printf()" that allows you to set an
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* alternative printf function pointer.
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*
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* All these define require POLARSSL_PLATFORM_C to be defined!
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*
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* Uncomment a macro to enable alternate implementation of specific base
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* platform function
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*/
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//#define POLARSSL_PLATFORM_PRINTF_ALT
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//#define POLARSSL_PLATFORM_FPRINTF_ALT
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/* \} name SECTION: System support */
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/**
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@ -1620,6 +1638,19 @@
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*/
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#define POLARSSL_PKCS12_C
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/**
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* \def POLARSSL_PLATFORM_C
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*
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* Enable the platform abstraction layer that allows you to re-assign
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* functions like malloc(), free(), printf(), fprintf()
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*
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* Module: library/platform.c
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* Caller: Most other .c files
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*
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* This module enables abstraction of common (libc) functions.
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*/
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#define POLARSSL_PLATFORM_C
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/**
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* \def POLARSSL_RIPEMD160_C
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*
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@ -1969,6 +2000,10 @@
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#define POLARSSL_MEMORY_STDMALLOC malloc /**< Default allocator to use, can be undefined */
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#define POLARSSL_MEMORY_STDFREE free /**< Default free to use, can be undefined */
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// Platform options
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#define POLARSSL_PLATFORM_STD_PRINTF printf /**< Default printf to use, can be undefined */
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#define POLARSSL_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use, can be undefined */
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// SSL Cache options
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//
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#define SSL_CACHE_DEFAULT_TIMEOUT 86400 /**< 1 day */
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88
include/polarssl/platform.h
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88
include/polarssl/platform.h
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@ -0,0 +1,88 @@
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/**
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* \file platform.h
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*
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* \brief PolarSSL Platform abstraction layer
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*
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* Copyright (C) 2006-2014, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef POLARSSL_PLATFORM_H
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#define POLARSSL_PLATFORM_H
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if !defined(POLARSSL_CONFIG_OPTIONS)
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#define POLARSSL_PLATFORM_STD_PRINTF printf /**< Default printf to use */
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#define POLARSSL_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use */
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#endif /* POLARSSL_CONFIG_OPTIONS */
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/*
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* The function pointers for malloc and free
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*/
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#if defined(POLARSSL_MEMORY_C)
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#include "memory.h"
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#else
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#define polarssl_malloc malloc
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#define polarssl_free free
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#endif
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/*
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* The function pointers for printf
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*/
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#if defined(POLARSSL_PLATFORM_PRINTF_ALT)
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extern int (*polarssl_printf)( const char *format, ... );
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/**
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* \brief Set your own printf function pointer
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*
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* \param printf_func the printf function implementation
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*
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* \return 0
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*/
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int platform_set_printf( int (*printf_func)( const char *, ... ) );
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#else
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#define polarssl_printf printf
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#endif
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/*
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* The function pointers for fprintf
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*/
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#if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
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extern int (*polarssl_fprintf)( FILE *stream, const char *format, ... );
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int platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
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... ) );
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#else
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#define polarssl_fprintf fprintf
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* platform.h */
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@ -46,6 +46,7 @@ set(src
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pk_wrap.c
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pkparse.c
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pkwrite.c
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platform.c
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ripemd160.c
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rsa.c
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sha1.c
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@ -52,7 +52,7 @@ OBJS= aes.o aesni.o arc4.o \
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padlock.o pbkdf2.o pem.o \
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pkcs5.o pkcs11.o pkcs12.o \
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pk.o pk_wrap.o pkparse.o \
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pkwrite.o ripemd160.o \
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pkwrite.o platform.o ripemd160.o \
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rsa.o sha1.o sha256.o \
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sha512.o ssl_cache.o ssl_cli.o \
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ssl_srv.o ssl_ciphersuites.o \
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80
library/platform.c
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80
library/platform.c
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@ -0,0 +1,80 @@
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/*
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* Platform abstraction layer
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*
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* Copyright (C) 2006-2014, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "polarssl/config.h"
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#if defined(POLARSSL_PLATFORM_C)
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#include "polarssl/platform.h"
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#if defined(POLARSSL_PLATFORM_PRINTF_ALT)
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#if !defined(POLARSSL_PLATFORM_STD_PRINTF)
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/*
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* Make dummy function to prevent NULL pointer dereferences
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*/
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static int platform_printf_uninit( const char *format, ... )
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{
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((void) format);
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return( 0 );
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}
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#define POLARSSL_PLATFORM_STD_PRINTF platform_printf_uninit
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#endif /* !POLARSSL_PLATFORM_STD_PRINTF */
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int (*polarssl_printf)( const char *, ... ) = POLARSSL_PLATFORM_STD_PRINTF;
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int platform_set_printf( int (*printf_func)( const char *, ... ) )
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{
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polarssl_printf = printf_func;
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return( 0 );
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}
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#endif /* POLARSSL_PLATFORM_PRINTF_ALT */
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#if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
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#if !defined(POLARSSL_PLATFORM_STD_FPRINTF)
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/*
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* Make dummy function to prevent NULL pointer dereferences
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*/
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static int platform_fprintf_uninit( FILE *stream, const char *format, ... )
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{
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((void) stream);
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((void) format);
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return( 0 );
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}
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#define POLARSSL_PLATFORM_STD_fPRINTF platform_fprintf_uninit
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#endif /* !POLARSSL_PLATFORM_STD_FPRINTF */
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int (*polarssl_fprintf)( FILE *, const char *, ... ) =
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POLARSSL_PLATFORM_STD_FPRINTF;
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int platform_set_fprintf( int (*fprintf_func)( FILE *, const char *, ... ) )
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{
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polarssl_fprintf = fprintf_func;
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return( 0 );
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}
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#endif /* POLARSSL_PLATFORM_FPRINTF_ALT */
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#endif /* POLARSSL_PLATFORM_C */
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