Adds base64 support via mbedtls

This is inspered in the work done at: #1123
This commit is contained in:
Felipe Zimmerle 2016-05-23 18:27:28 -03:00
parent 4b9cff3ec7
commit a3ae686f25
8 changed files with 3753 additions and 1 deletions

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@ -3,9 +3,21 @@ BUILT_SOURCES= \
parser/seclang-parser.cc
lib_LTLIBRARIES = libmodsecurity.la
noinst_LTLIBRARIES = libmbedtls.la
libmodsecurity_ladir = $(prefix)/include
libmodsecurity_includesubdir = $(pkgincludedir)/collection/
libmbedtls_la_SOURCES = \
utils/mbedtls/base64.c
libmbedtls_la_CFLAGS = -D MBEDTLS_CONFIG_FILE=\"mbed-tls-config.h\" -Iutils
libmbedtls_la_CPPFLAGS =
libmbedtls_la_LIBADD =
CLEANFILES = \
location.hh \
position.hh \
@ -170,6 +182,7 @@ OPERATORS = \
UTILS = \
utils/acmp.cc \
utils/base64.cc \
utils/geo_lookup.cc \
utils/https_client.cc \
utils/ip_tree.cc \
@ -241,7 +254,8 @@ libmodsecurity_la_LIBADD = \
$(PCRE_LDADD) \
$(YAJL_LDADD) \
$(LIBXML2_LDADD) \
../others/libinjection.la
../others/libinjection.la \
libmbedtls.la
libmodsecurity_la_LDFLAGS = \

80
src/utils/base64.cc Normal file
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@ -0,0 +1,80 @@
/*
* ModSecurity, http://www.modsecurity.org/
* Copyright (c) 2015 Trustwave Holdings, Inc. (http://www.trustwave.com/)
*
* 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
*
* If any of the files related to licensing are missing or if you have any
* other questions related to licensing please contact Trustwave Holdings, Inc.
* directly using the email address security@modsecurity.org.
*
*/
#include <string>
#include <fstream>
#include <iostream>
#include "utils/base64.h"
#include "mbedtls/base64.h"
#include <string.h>
namespace modsecurity {
namespace Utils {
std::string Base64::encode(std::string& data) {
size_t encoded_len = 0;
unsigned char *d = NULL;
std::string ret;
mbedtls_base64_encode(NULL, 0, &encoded_len,
reinterpret_cast<const unsigned char*>(data.c_str()), data.size());
d = reinterpret_cast<unsigned char*>(malloc(sizeof(char) * encoded_len));
if (d == NULL) {
return data;
}
memset(d, '\0', encoded_len);
mbedtls_base64_encode(d, encoded_len, &encoded_len,
(unsigned char*) data.c_str(), data.size());
ret.assign(reinterpret_cast<const char*>(d));
free(d);
return std::string(reinterpret_cast<const char*>(d));
}
std::string Base64::decode(std::string& data) {
size_t decoded_len = 0;
unsigned char *d = NULL;
std::string ret;
mbedtls_base64_decode(NULL, 0, &decoded_len,
reinterpret_cast<const unsigned char*>(data.c_str()), data.length());
d = reinterpret_cast<unsigned char*>(malloc(sizeof(char) * decoded_len));
if (d == NULL) {
return data;
}
memset(d, '\0', decoded_len);
mbedtls_base64_decode(d, decoded_len, &decoded_len,
reinterpret_cast<const unsigned char*>(data.c_str()), data.length());
ret.assign(reinterpret_cast<const char*>(d));
free(d);
return ret;
}
} // namespace Utils
} // namespace modsecurity

16
src/utils/base64.h Normal file
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@ -0,0 +1,16 @@
namespace modsecurity {
namespace Utils {
class Base64 {
public:
Base64() { }
static std::string encode(std::string& data);
static std::string decode(std::string& data);
};
} // namespace Utils
} // namespace modsecurity

289
src/utils/mbedtls/base64.c Normal file
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@ -0,0 +1,289 @@
/*
* RFC 1521 base64 encoding/decoding
*
* 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)
*/
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_BASE64_C)
#include "mbedtls/base64.h"
#include <stdint.h>
#if defined(MBEDTLS_SELF_TEST)
#include <string.h>
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdio.h>
#define mbedtls_printf printf
#endif /* MBEDTLS_PLATFORM_C */
#endif /* MBEDTLS_SELF_TEST */
static const unsigned char base64_enc_map[64] =
{
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', '+', '/'
};
static const unsigned char base64_dec_map[128] =
{
127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
127, 127, 127, 62, 127, 127, 127, 63, 52, 53,
54, 55, 56, 57, 58, 59, 60, 61, 127, 127,
127, 64, 127, 127, 127, 0, 1, 2, 3, 4,
5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
25, 127, 127, 127, 127, 127, 127, 26, 27, 28,
29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
49, 50, 51, 127, 127, 127, 127, 127
};
#define BASE64_SIZE_T_MAX ( (size_t) -1 ) /* SIZE_T_MAX is not standard */
/*
* Encode a buffer into base64 format
*/
int mbedtls_base64_encode( unsigned char *dst, size_t dlen, size_t *olen,
const unsigned char *src, size_t slen )
{
size_t i, n;
int C1, C2, C3;
unsigned char *p;
if( slen == 0 )
{
*olen = 0;
return( 0 );
}
n = slen / 3 + ( slen % 3 != 0 );
if( n > ( BASE64_SIZE_T_MAX - 1 ) / 4 )
{
*olen = BASE64_SIZE_T_MAX;
return( MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL );
}
n *= 4;
if( dlen < n + 1 )
{
*olen = n + 1;
return( MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL );
}
n = ( slen / 3 ) * 3;
for( i = 0, p = dst; i < n; i += 3 )
{
C1 = *src++;
C2 = *src++;
C3 = *src++;
*p++ = base64_enc_map[(C1 >> 2) & 0x3F];
*p++ = base64_enc_map[(((C1 & 3) << 4) + (C2 >> 4)) & 0x3F];
*p++ = base64_enc_map[(((C2 & 15) << 2) + (C3 >> 6)) & 0x3F];
*p++ = base64_enc_map[C3 & 0x3F];
}
if( i < slen )
{
C1 = *src++;
C2 = ( ( i + 1 ) < slen ) ? *src++ : 0;
*p++ = base64_enc_map[(C1 >> 2) & 0x3F];
*p++ = base64_enc_map[(((C1 & 3) << 4) + (C2 >> 4)) & 0x3F];
if( ( i + 1 ) < slen )
*p++ = base64_enc_map[((C2 & 15) << 2) & 0x3F];
else *p++ = '=';
*p++ = '=';
}
*olen = p - dst;
*p = 0;
return( 0 );
}
/*
* Decode a base64-formatted buffer
*/
int mbedtls_base64_decode( unsigned char *dst, size_t dlen, size_t *olen,
const unsigned char *src, size_t slen )
{
size_t i, n;
uint32_t j, x;
unsigned char *p;
/* First pass: check for validity and get output length */
for( i = n = j = 0; i < slen; i++ )
{
/* Skip spaces before checking for EOL */
x = 0;
while( i < slen && src[i] == ' ' )
{
++i;
++x;
}
/* Spaces at end of buffer are OK */
if( i == slen )
break;
if( ( slen - i ) >= 2 &&
src[i] == '\r' && src[i + 1] == '\n' )
continue;
if( src[i] == '\n' )
continue;
/* Space inside a line is an error */
if( x != 0 )
return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
if( src[i] == '=' && ++j > 2 )
return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
if( src[i] > 127 || base64_dec_map[src[i]] == 127 )
return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
if( base64_dec_map[src[i]] < 64 && j != 0 )
return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
n++;
}
if( n == 0 )
{
*olen = 0;
return( 0 );
}
n = ( ( n * 6 ) + 7 ) >> 3;
n -= j;
if( dst == NULL || dlen < n )
{
*olen = n;
return( MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL );
}
for( j = 3, n = x = 0, p = dst; i > 0; i--, src++ )
{
if( *src == '\r' || *src == '\n' || *src == ' ' )
continue;
j -= ( base64_dec_map[*src] == 64 );
x = ( x << 6 ) | ( base64_dec_map[*src] & 0x3F );
if( ++n == 4 )
{
n = 0;
if( j > 0 ) *p++ = (unsigned char)( x >> 16 );
if( j > 1 ) *p++ = (unsigned char)( x >> 8 );
if( j > 2 ) *p++ = (unsigned char)( x );
}
}
*olen = p - dst;
return( 0 );
}
#if defined(MBEDTLS_SELF_TEST)
static const unsigned char base64_test_dec[64] =
{
0x24, 0x48, 0x6E, 0x56, 0x87, 0x62, 0x5A, 0xBD,
0xBF, 0x17, 0xD9, 0xA2, 0xC4, 0x17, 0x1A, 0x01,
0x94, 0xED, 0x8F, 0x1E, 0x11, 0xB3, 0xD7, 0x09,
0x0C, 0xB6, 0xE9, 0x10, 0x6F, 0x22, 0xEE, 0x13,
0xCA, 0xB3, 0x07, 0x05, 0x76, 0xC9, 0xFA, 0x31,
0x6C, 0x08, 0x34, 0xFF, 0x8D, 0xC2, 0x6C, 0x38,
0x00, 0x43, 0xE9, 0x54, 0x97, 0xAF, 0x50, 0x4B,
0xD1, 0x41, 0xBA, 0x95, 0x31, 0x5A, 0x0B, 0x97
};
static const unsigned char base64_test_enc[] =
"JEhuVodiWr2/F9mixBcaAZTtjx4Rs9cJDLbpEG8i7hPK"
"swcFdsn6MWwINP+Nwmw4AEPpVJevUEvRQbqVMVoLlw==";
/*
* Checkup routine
*/
int mbedtls_base64_self_test( int verbose )
{
size_t len;
const unsigned char *src;
unsigned char buffer[128];
if( verbose != 0 )
mbedtls_printf( " Base64 encoding test: " );
src = base64_test_dec;
if( mbedtls_base64_encode( buffer, sizeof( buffer ), &len, src, 64 ) != 0 ||
memcmp( base64_test_enc, buffer, 88 ) != 0 )
{
if( verbose != 0 )
mbedtls_printf( "failed\n" );
return( 1 );
}
if( verbose != 0 )
mbedtls_printf( "passed\n Base64 decoding test: " );
src = base64_test_enc;
if( mbedtls_base64_decode( buffer, sizeof( buffer ), &len, src, 88 ) != 0 ||
memcmp( base64_test_dec, buffer, 64 ) != 0 )
{
if( verbose != 0 )
mbedtls_printf( "failed\n" );
return( 1 );
}
if( verbose != 0 )
mbedtls_printf( "passed\n\n" );
return( 0 );
}
#endif /* MBEDTLS_SELF_TEST */
#endif /* MBEDTLS_BASE64_C */

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@ -0,0 +1,88 @@
/**
* \file base64.h
*
* \brief RFC 1521 base64 encoding/decoding
*
* 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_BASE64_H
#define MBEDTLS_BASE64_H
#include <stddef.h>
#define MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL -0x002A /**< Output buffer too small. */
#define MBEDTLS_ERR_BASE64_INVALID_CHARACTER -0x002C /**< Invalid character in input. */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Encode a buffer into base64 format
*
* \param dst destination buffer
* \param dlen size of the destination buffer
* \param olen number of bytes written
* \param src source buffer
* \param slen amount of data to be encoded
*
* \return 0 if successful, or MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL.
* *olen is always updated to reflect the amount
* of data that has (or would have) been written.
* If that length cannot be represented, then no data is
* written to the buffer and *olen is set to the maximum
* length representable as a size_t.
*
* \note Call this function with dlen = 0 to obtain the
* required buffer size in *olen
*/
int mbedtls_base64_encode( unsigned char *dst, size_t dlen, size_t *olen,
const unsigned char *src, size_t slen );
/**
* \brief Decode a base64-formatted buffer
*
* \param dst destination buffer (can be NULL for checking size)
* \param dlen size of the destination buffer
* \param olen number of bytes written
* \param src source buffer
* \param slen amount of data to be decoded
*
* \return 0 if successful, MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL, or
* MBEDTLS_ERR_BASE64_INVALID_CHARACTER if the input data is
* not correct. *olen is always updated to reflect the amount
* of data that has (or would have) been written.
*
* \note Call this function with *dst = NULL or dlen = 0 to obtain
* the required buffer size in *olen
*/
int mbedtls_base64_decode( unsigned char *dst, size_t dlen, size_t *olen,
const unsigned char *src, size_t slen );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_base64_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* base64.h */

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@ -0,0 +1,540 @@
/**
* \file check_config.h
*
* \brief Consistency checks for configuration options
*
* 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)
*/
/*
* It is recommended to include this file from your config.h
* in order to catch dependency issues early.
*/
#ifndef MBEDTLS_CHECK_CONFIG_H
#define MBEDTLS_CHECK_CONFIG_H
/*
* We assume CHAR_BIT is 8 in many places. In practice, this is true on our
* target platforms, so not an issue, but let's just be extra sure.
*/
#include <limits.h>
#if CHAR_BIT != 8
#error "mbed TLS requires a platform with 8-bit chars"
#endif
#if defined(_WIN32)
#if !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_C is required on Windows"
#endif
/* Fix the config here. Not convenient to put an #ifdef _WIN32 in config.h as
* it would confuse config.pl. */
#if !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && \
!defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
#define MBEDTLS_PLATFORM_SNPRINTF_ALT
#endif
#endif /* _WIN32 */
#if defined(TARGET_LIKE_MBED) && \
( defined(MBEDTLS_NET_C) || defined(MBEDTLS_TIMING_C) )
#error "The NET and TIMING modules are not available for mbed OS - please use the network and timing functions provided by mbed OS"
#endif
#if defined(MBEDTLS_DEPRECATED_WARNING) && \
!defined(__GNUC__) && !defined(__clang__)
#error "MBEDTLS_DEPRECATED_WARNING only works with GCC and Clang"
#endif
#if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_HAVE_TIME)
#error "MBEDTLS_HAVE_TIME_DATE without MBEDTLS_HAVE_TIME does not make sense"
#endif
#if defined(MBEDTLS_AESNI_C) && !defined(MBEDTLS_HAVE_ASM)
#error "MBEDTLS_AESNI_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_AES_C)
#error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
#error "MBEDTLS_DHM_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
#error "MBEDTLS_ECDH_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECDSA_C) && \
( !defined(MBEDTLS_ECP_C) || \
!defined(MBEDTLS_ASN1_PARSE_C) || \
!defined(MBEDTLS_ASN1_WRITE_C) )
#error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECJPAKE_C) && \
( !defined(MBEDTLS_ECP_C) || !defined(MBEDTLS_MD_C) )
#error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
#error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECP_C) && ( !defined(MBEDTLS_BIGNUM_C) || ( \
!defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_BP256R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_BP384R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_BP512R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) ) )
#error "MBEDTLS_ECP_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ENTROPY_C) && (!defined(MBEDTLS_SHA512_C) && \
!defined(MBEDTLS_SHA256_C))
#error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_SHA512_C) && \
defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 64)
#error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
#endif
#if defined(MBEDTLS_ENTROPY_C) && \
( !defined(MBEDTLS_SHA512_C) || defined(MBEDTLS_ENTROPY_FORCE_SHA256) ) \
&& defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 32)
#error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
#endif
#if defined(MBEDTLS_ENTROPY_C) && \
defined(MBEDTLS_ENTROPY_FORCE_SHA256) && !defined(MBEDTLS_SHA256_C)
#error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_GCM_C) && ( \
!defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) )
#error "MBEDTLS_GCM_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_HAVEGE_C) && !defined(MBEDTLS_TIMING_C)
#error "MBEDTLS_HAVEGE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_HMAC_DRBG_C) && !defined(MBEDTLS_MD_C)
#error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
#error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
#error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
#error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) && \
!defined(MBEDTLS_ECDH_C)
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) && \
( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C) )
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) && \
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
!defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) && \
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
!defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) && \
( !defined(MBEDTLS_ECJPAKE_C) || !defined(MBEDTLS_SHA256_C) || \
!defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
#error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && \
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
#error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
#error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
#error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PEM_WRITE_C) && !defined(MBEDTLS_BASE64_C)
#error "MBEDTLS_PEM_WRITE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PK_C) && \
( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) )
#error "MBEDTLS_PK_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_PK_C)
#error "MBEDTLS_PK_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PK_WRITE_C) && !defined(MBEDTLS_PK_C)
#error "MBEDTLS_PK_WRITE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PKCS11_C) && !defined(MBEDTLS_PK_C)
#error "MBEDTLS_PKCS11_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_EXIT_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_EXIT_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_EXIT) ||\
defined(MBEDTLS_PLATFORM_EXIT_ALT) )
#error "MBEDTLS_PLATFORM_EXIT_MACRO and MBEDTLS_PLATFORM_STD_EXIT/MBEDTLS_PLATFORM_EXIT_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_FPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_FPRINTF) ||\
defined(MBEDTLS_PLATFORM_FPRINTF_ALT) )
#error "MBEDTLS_PLATFORM_FPRINTF_MACRO and MBEDTLS_PLATFORM_STD_FPRINTF/MBEDTLS_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
#error "MBEDTLS_PLATFORM_FREE_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
defined(MBEDTLS_PLATFORM_STD_FREE)
#error "MBEDTLS_PLATFORM_FREE_MACRO and MBEDTLS_PLATFORM_STD_FREE cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) && !defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
#error "MBEDTLS_PLATFORM_CALLOC_MACRO must be defined if MBEDTLS_PLATFORM_FREE_MACRO is"
#endif
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
#error "MBEDTLS_PLATFORM_CALLOC_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
defined(MBEDTLS_PLATFORM_STD_CALLOC)
#error "MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_STD_CALLOC cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) && !defined(MBEDTLS_PLATFORM_FREE_MACRO)
#error "MBEDTLS_PLATFORM_FREE_MACRO must be defined if MBEDTLS_PLATFORM_CALLOC_MACRO is"
#endif
#if defined(MBEDTLS_PLATFORM_MEMORY) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_MEMORY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_PRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_PRINTF) ||\
defined(MBEDTLS_PLATFORM_PRINTF_ALT) )
#error "MBEDTLS_PLATFORM_PRINTF_MACRO and MBEDTLS_PLATFORM_STD_PRINTF/MBEDTLS_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_SNPRINTF) ||\
defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) )
#error "MBEDTLS_PLATFORM_SNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_SNPRINTF/MBEDTLS_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_STD_MEM_HDR) &&\
!defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
#error "MBEDTLS_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
#error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
#error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_FREE) && !defined(MBEDTLS_PLATFORM_MEMORY)
#error "MBEDTLS_PLATFORM_STD_FREE defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_EXIT) &&\
!defined(MBEDTLS_PLATFORM_EXIT_ALT)
#error "MBEDTLS_PLATFORM_STD_EXIT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_FPRINTF) &&\
!defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
#error "MBEDTLS_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_PRINTF) &&\
!defined(MBEDTLS_PLATFORM_PRINTF_ALT)
#error "MBEDTLS_PLATFORM_STD_PRINTF defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_SNPRINTF) &&\
!defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
#error "MBEDTLS_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
!defined(MBEDTLS_OID_C) )
#error "MBEDTLS_RSA_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) && \
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_PKCS1_V21) )
#error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_SSL3) && ( !defined(MBEDTLS_MD5_C) || \
!defined(MBEDTLS_SHA1_C) )
#error "MBEDTLS_SSL_PROTO_SSL3 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1) && ( !defined(MBEDTLS_MD5_C) || \
!defined(MBEDTLS_SHA1_C) )
#error "MBEDTLS_SSL_PROTO_TLS1 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_1) && ( !defined(MBEDTLS_MD5_C) || \
!defined(MBEDTLS_SHA1_C) )
#error "MBEDTLS_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_2) && ( !defined(MBEDTLS_SHA1_C) && \
!defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
#error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_DTLS) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
#error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
#error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) || \
!defined(MBEDTLS_MD_C) )
#error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
#error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (!defined(MBEDTLS_SSL_PROTO_SSL3) && \
!defined(MBEDTLS_SSL_PROTO_TLS1) && !defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2))
#error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
#error "Illegal protocol selection"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_TLS1) && \
defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_SSL_PROTO_TLS1_1))
#error "Illegal protocol selection"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
defined(MBEDTLS_SSL_PROTO_TLS1_2) && (!defined(MBEDTLS_SSL_PROTO_TLS1) || \
!defined(MBEDTLS_SSL_PROTO_TLS1_1)))
#error "Illegal protocol selection"
#endif
#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
#error "MBEDTLS_SSL_DTLS_HELLO_VERIFY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
!defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
#error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) && \
( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
#error "MBEDTLS_SSL_DTLS_ANTI_REPLAY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) && \
( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
#error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) && \
!defined(MBEDTLS_SSL_PROTO_TLS1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
#error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
#endif
#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
!defined(MBEDTLS_SSL_PROTO_TLS1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
#error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
#endif
#if defined(MBEDTLS_SSL_TICKET_C) && !defined(MBEDTLS_CIPHER_C)
#error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) && \
!defined(MBEDTLS_SSL_PROTO_SSL3) && !defined(MBEDTLS_SSL_PROTO_TLS1)
#error "MBEDTLS_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
!defined(MBEDTLS_X509_CRT_PARSE_C)
#error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_THREADING_PTHREAD)
#if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
#error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"
#endif
#define MBEDTLS_THREADING_IMPL
#endif
#if defined(MBEDTLS_THREADING_ALT)
#if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
#error "MBEDTLS_THREADING_ALT defined, but not all prerequisites"
#endif
#define MBEDTLS_THREADING_IMPL
#endif
#if defined(MBEDTLS_THREADING_C) && !defined(MBEDTLS_THREADING_IMPL)
#error "MBEDTLS_THREADING_C defined, single threading implementation required"
#endif
#undef MBEDTLS_THREADING_IMPL
#if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
#error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_USE_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) || \
!defined(MBEDTLS_PK_PARSE_C) )
#error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CREATE_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) || \
!defined(MBEDTLS_PK_WRITE_C) )
#error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CRT_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
#error "MBEDTLS_X509_CRT_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CRL_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
#error "MBEDTLS_X509_CRL_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CSR_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
#error "MBEDTLS_X509_CSR_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CRT_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
#error "MBEDTLS_X509_CRT_WRITE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CSR_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
#error "MBEDTLS_X509_CSR_WRITE_C defined, but not all prerequisites"
#endif
/*
* Avoid warning from -pedantic. This is a convenient place for this
* workaround since this is included by every single file before the
* #if defined(MBEDTLS_xxx_C) that results in emtpy translation units.
*/
typedef int mbedtls_iso_c_forbids_empty_translation_units;
#endif /* MBEDTLS_CHECK_CONFIG_H */

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/**
* \file platform.h
*
* \brief mbed TLS Platform abstraction layer
*
* 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_PLATFORM_H
#define MBEDTLS_PLATFORM_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* \name SECTION: Module settings
*
* The configuration options you can set for this module are in this section.
* Either change them in config.h or define them on the compiler command line.
* \{
*/
#if !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
#include <stdio.h>
#include <stdlib.h>
#if !defined(MBEDTLS_PLATFORM_STD_SNPRINTF)
#if defined(_WIN32)
#define MBEDTLS_PLATFORM_STD_SNPRINTF mbedtls_platform_win32_snprintf /**< Default snprintf to use */
#else
#define MBEDTLS_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use */
#endif
#endif
#if !defined(MBEDTLS_PLATFORM_STD_PRINTF)
#define MBEDTLS_PLATFORM_STD_PRINTF printf /**< Default printf to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_FPRINTF)
#define MBEDTLS_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_CALLOC)
#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_FREE)
#define MBEDTLS_PLATFORM_STD_FREE free /**< Default free to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_EXIT)
#define MBEDTLS_PLATFORM_STD_EXIT exit /**< Default free to use */
#endif
#else /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
#if defined(MBEDTLS_PLATFORM_STD_MEM_HDR)
#include MBEDTLS_PLATFORM_STD_MEM_HDR
#endif
#endif /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
/* \} name SECTION: Module settings */
/*
* The function pointers for calloc and free
*/
#if defined(MBEDTLS_PLATFORM_MEMORY)
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) && \
defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
#define mbedtls_free MBEDTLS_PLATFORM_FREE_MACRO
#define mbedtls_calloc MBEDTLS_PLATFORM_CALLOC_MACRO
#else
/* For size_t */
#include <stddef.h>
extern void * (*mbedtls_calloc)( size_t n, size_t size );
extern void (*mbedtls_free)( void *ptr );
/**
* \brief Set your own memory implementation function pointers
*
* \param calloc_func the calloc function implementation
* \param free_func the free function implementation
*
* \return 0 if successful
*/
int mbedtls_platform_set_calloc_free( void * (*calloc_func)( size_t, size_t ),
void (*free_func)( void * ) );
#endif /* MBEDTLS_PLATFORM_FREE_MACRO && MBEDTLS_PLATFORM_CALLOC_MACRO */
#else /* !MBEDTLS_PLATFORM_MEMORY */
#define mbedtls_free free
#define mbedtls_calloc calloc
#endif /* MBEDTLS_PLATFORM_MEMORY && !MBEDTLS_PLATFORM_{FREE,CALLOC}_MACRO */
/*
* The function pointers for fprintf
*/
#if defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
/* We need FILE * */
#include <stdio.h>
extern int (*mbedtls_fprintf)( FILE *stream, const char *format, ... );
/**
* \brief Set your own fprintf function pointer
*
* \param fprintf_func the fprintf function implementation
*
* \return 0
*/
int mbedtls_platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
... ) );
#else
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO)
#define mbedtls_fprintf MBEDTLS_PLATFORM_FPRINTF_MACRO
#else
#define mbedtls_fprintf fprintf
#endif /* MBEDTLS_PLATFORM_FPRINTF_MACRO */
#endif /* MBEDTLS_PLATFORM_FPRINTF_ALT */
/*
* The function pointers for printf
*/
#if defined(MBEDTLS_PLATFORM_PRINTF_ALT)
extern int (*mbedtls_printf)( const char *format, ... );
/**
* \brief Set your own printf function pointer
*
* \param printf_func the printf function implementation
*
* \return 0
*/
int mbedtls_platform_set_printf( int (*printf_func)( const char *, ... ) );
#else /* !MBEDTLS_PLATFORM_PRINTF_ALT */
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO)
#define mbedtls_printf MBEDTLS_PLATFORM_PRINTF_MACRO
#else
#define mbedtls_printf printf
#endif /* MBEDTLS_PLATFORM_PRINTF_MACRO */
#endif /* MBEDTLS_PLATFORM_PRINTF_ALT */
/*
* The function pointers for snprintf
*
* The snprintf implementation should conform to C99:
* - it *must* always correctly zero-terminate the buffer
* (except when n == 0, then it must leave the buffer untouched)
* - however it is acceptable to return -1 instead of the required length when
* the destination buffer is too short.
*/
#if defined(_WIN32)
/* For Windows (inc. MSYS2), we provide our own fixed implementation */
int mbedtls_platform_win32_snprintf( char *s, size_t n, const char *fmt, ... );
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
extern int (*mbedtls_snprintf)( char * s, size_t n, const char * format, ... );
/**
* \brief Set your own snprintf function pointer
*
* \param snprintf_func the snprintf function implementation
*
* \return 0
*/
int mbedtls_platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
const char * format, ... ) );
#else /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
#define mbedtls_snprintf MBEDTLS_PLATFORM_SNPRINTF_MACRO
#else
#define mbedtls_snprintf snprintf
#endif /* MBEDTLS_PLATFORM_SNPRINTF_MACRO */
#endif /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
/*
* The function pointers for exit
*/
#if defined(MBEDTLS_PLATFORM_EXIT_ALT)
extern void (*mbedtls_exit)( int status );
/**
* \brief Set your own exit function pointer
*
* \param exit_func the exit function implementation
*
* \return 0
*/
int mbedtls_platform_set_exit( void (*exit_func)( int status ) );
#else
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO)
#define mbedtls_exit MBEDTLS_PLATFORM_EXIT_MACRO
#else
#define mbedtls_exit exit
#endif /* MBEDTLS_PLATFORM_EXIT_MACRO */
#endif /* MBEDTLS_PLATFORM_EXIT_ALT */
#ifdef __cplusplus
}
#endif
#endif /* platform.h */