Commit 747a83a0 authored by Paul Bakker's avatar Paul Bakker
Browse files

Platform abstraction layer for memory, printf and fprintf

parent ab50d8d3
......@@ -113,6 +113,24 @@
* Comment if your system does not support the IPv6 socket interface
*/
#define POLARSSL_HAVE_IPV6
/**
* \def POLARSSL_PLATFORM_XXX_ALT
*
* Uncomment a macro to let PolarSSL support the function in the platform
* abstraction layer.
*
* Example: In case you uncomment POLARSSL_PLATFORM_PRINTF_ALT, PolarSSL will
* provide a function "platform_set_printf()" that allows you to set an
* alternative printf function pointer.
*
* All these define require POLARSSL_PLATFORM_C to be defined!
*
* Uncomment a macro to enable alternate implementation of specific base
* platform function
*/
//#define POLARSSL_PLATFORM_PRINTF_ALT
//#define POLARSSL_PLATFORM_FPRINTF_ALT
/* \} name SECTION: System support */
/**
......@@ -1620,6 +1638,19 @@
*/
#define POLARSSL_PKCS12_C
/**
* \def POLARSSL_PLATFORM_C
*
* Enable the platform abstraction layer that allows you to re-assign
* functions like malloc(), free(), printf(), fprintf()
*
* Module: library/platform.c
* Caller: Most other .c files
*
* This module enables abstraction of common (libc) functions.
*/
#define POLARSSL_PLATFORM_C
/**
* \def POLARSSL_RIPEMD160_C
*
......@@ -1969,6 +2000,10 @@
#define POLARSSL_MEMORY_STDMALLOC malloc /**< Default allocator to use, can be undefined */
#define POLARSSL_MEMORY_STDFREE free /**< Default free to use, can be undefined */
// Platform options
#define POLARSSL_PLATFORM_STD_PRINTF printf /**< Default printf to use, can be undefined */
#define POLARSSL_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use, can be undefined */
// SSL Cache options
//
#define SSL_CACHE_DEFAULT_TIMEOUT 86400 /**< 1 day */
......
/**
* \file platform.h
*
* \brief PolarSSL Platform abstraction layer
*
* Copyright (C) 2006-2014, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_PLATFORM_H
#define POLARSSL_PLATFORM_H
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
#if !defined(POLARSSL_CONFIG_OPTIONS)
#define POLARSSL_PLATFORM_STD_PRINTF printf /**< Default printf to use */
#define POLARSSL_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use */
#endif /* POLARSSL_CONFIG_OPTIONS */
/*
* The function pointers for malloc and free
*/
#if defined(POLARSSL_MEMORY_C)
#include "memory.h"
#else
#define polarssl_malloc malloc
#define polarssl_free free
#endif
/*
* The function pointers for printf
*/
#if defined(POLARSSL_PLATFORM_PRINTF_ALT)
extern int (*polarssl_printf)( const char *format, ... );
/**
* \brief Set your own printf function pointer
*
* \param printf_func the printf function implementation
*
* \return 0
*/
int platform_set_printf( int (*printf_func)( const char *, ... ) );
#else
#define polarssl_printf printf
#endif
/*
* The function pointers for fprintf
*/
#if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
extern int (*polarssl_fprintf)( FILE *stream, const char *format, ... );
int platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
... ) );
#else
#define polarssl_fprintf fprintf
#endif
#ifdef __cplusplus
}
#endif
#endif /* platform.h */
......@@ -46,6 +46,7 @@ set(src
pk_wrap.c
pkparse.c
pkwrite.c
platform.c
ripemd160.c
rsa.c
sha1.c
......
......@@ -52,7 +52,7 @@ OBJS= aes.o aesni.o arc4.o \
padlock.o pbkdf2.o pem.o \
pkcs5.o pkcs11.o pkcs12.o \
pk.o pk_wrap.o pkparse.o \
pkwrite.o ripemd160.o \
pkwrite.o platform.o ripemd160.o \
rsa.o sha1.o sha256.o \
sha512.o ssl_cache.o ssl_cli.o \
ssl_srv.o ssl_ciphersuites.o \
......
/*
* Platform abstraction layer
*
* Copyright (C) 2006-2014, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "polarssl/config.h"
#if defined(POLARSSL_PLATFORM_C)
#include "polarssl/platform.h"
#if defined(POLARSSL_PLATFORM_PRINTF_ALT)
#if !defined(POLARSSL_PLATFORM_STD_PRINTF)
/*
* Make dummy function to prevent NULL pointer dereferences
*/
static int platform_printf_uninit( const char *format, ... )
{
((void) format);
return( 0 );
}
#define POLARSSL_PLATFORM_STD_PRINTF platform_printf_uninit
#endif /* !POLARSSL_PLATFORM_STD_PRINTF */
int (*polarssl_printf)( const char *, ... ) = POLARSSL_PLATFORM_STD_PRINTF;
int platform_set_printf( int (*printf_func)( const char *, ... ) )
{
polarssl_printf = printf_func;
return( 0 );
}
#endif /* POLARSSL_PLATFORM_PRINTF_ALT */
#if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
#if !defined(POLARSSL_PLATFORM_STD_FPRINTF)
/*
* Make dummy function to prevent NULL pointer dereferences
*/
static int platform_fprintf_uninit( FILE *stream, const char *format, ... )
{
((void) stream);
((void) format);
return( 0 );
}
#define POLARSSL_PLATFORM_STD_fPRINTF platform_fprintf_uninit
#endif /* !POLARSSL_PLATFORM_STD_FPRINTF */
int (*polarssl_fprintf)( FILE *, const char *, ... ) =
POLARSSL_PLATFORM_STD_FPRINTF;
int platform_set_fprintf( int (*fprintf_func)( FILE *, const char *, ... ) )
{
polarssl_fprintf = fprintf_func;
return( 0 );
}
#endif /* POLARSSL_PLATFORM_FPRINTF_ALT */
#endif /* POLARSSL_PLATFORM_C */
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