wolfssl-w32/IDE/ARDUINO/wolfssl-arduino.sh

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#!/bin/sh
# this script will reformat the wolfSSL source code to be compatible with
# an Arduino project
# run as bash ./wolfssl-arduino.sh
ROOT_DIR="/wolfSSL"
ROOT_SRC_DIR="${ROOT_DIR}/src"
WOLFSSL_SRC="${ROOT_SRC_DIR}/src"
WOLFSSL_HEADERS="${ROOT_SRC_DIR}/wolfssl"
WOLFCRYPT_ROOT="${ROOT_SRC_DIR}/wolfcrypt"
WOLFCRYPT_SRC="${WOLFCRYPT_ROOT}/src"
WOLFCRYPT_HEADERS="${WOLFSSL_HEADERS}/wolfcrypt"
OPENSSL_DIR="${WOLFSSL_HEADERS}/openssl"
WOLFSSL_VERSION="5.6.4"
# TOP indicates the file directory comes from the top level of the wolfssl repo
TOP_DIR="../.."
WOLFSSL_SRC_TOP="${TOP_DIR}/src"
WOLFSSL_HEADERS_TOP="${TOP_DIR}/wolfssl"
WOLFCRYPT_ROOT_TOP="${TOP_DIR}/wolfcrypt"
WOLFCRYPT_SRC_TOP="${WOLFCRYPT_ROOT_TOP}/src"
WOLFCRYPT_HEADERS_TOP="${WOLFSSL_HEADERS_TOP}/wolfcrypt"
OPENSSL_DIR_TOP="${WOLFSSL_HEADERS_TOP}/openssl"
# TODO: Parse version number
WOLFSSL_VERSION=$(grep -i "LIBWOLFSSL_VERSION_STRING" ${TOP_DIR}/wolfssl/version.h | cut -d '"' -f 2)
DIR=${PWD##*/}
if [ "$DIR" = "ARDUINO" ]; then
if [ ! -d ".${ROOT_DIR}" ]; then
mkdir .${ROOT_DIR}
fi
if [ ! -d ".${ROOT_SRC_DIR}" ]; then
mkdir .${ROOT_SRC_DIR}
fi
if [ ! -d ".${WOLFSSL_HEADERS}" ]; then
mkdir .${WOLFSSL_HEADERS}
fi
cp ${WOLFSSL_HEADERS_TOP}/*.h .${WOLFSSL_HEADERS}
if [ ! -d ".${WOLFCRYPT_HEADERS}" ]; then
mkdir .${WOLFCRYPT_HEADERS}
fi
cp ${WOLFCRYPT_HEADERS_TOP}/*.h .${WOLFCRYPT_HEADERS}
# Add in source files to wolfcrypt/src
if [ ! -d ".${WOLFCRYPT_ROOT}" ]; then
mkdir .${WOLFCRYPT_ROOT}
fi
if [ ! -d ".${WOLFCRYPT_SRC}" ]; then
mkdir .${WOLFCRYPT_SRC}
fi
cp ${WOLFCRYPT_SRC_TOP}/*.c .${WOLFCRYPT_SRC}
# Add in source files to top level src folders
if [ ! -d ".${WOLFSSL_SRC}" ]; then
mkdir .${WOLFSSL_SRC}
fi
cp ${WOLFSSL_SRC_TOP}/*.c .${WOLFSSL_SRC}
# put bio and evp as includes
cp .${WOLFSSL_SRC}/bio.c .${WOLFSSL_HEADERS}
cp .${WOLFCRYPT_SRC}/evp.c .${WOLFSSL_HEADERS}
# make a copy of evp.c and bio.c for ssl.c to include inline
cp .${WOLFSSL_HEADERS}/evp.c .${WOLFCRYPT_SRC}/evp.c
cp .${WOLFSSL_HEADERS}/bio.c .${WOLFCRYPT_SRC}/bio.c
# copy openssl compatibility headers to their appropriate location
if [ ! -d ".${OPENSSL_DIR}" ]; then
mkdir .${OPENSSL_DIR}
fi
cp ${OPENSSL_DIR_TOP}/* .${OPENSSL_DIR}
cat > .${ROOT_SRC_DIR}/wolfssl.h <<EOF
/* Generated wolfSSL header file for Arduino */
#include <user_settings.h>
#include <wolfssl/wolfcrypt/settings.h>
#include <wolfssl/ssl.h>
EOF
# Creates user_settings file if one does not exist
if [ ! -f ".${ROOT_SRC_DIR}/user_settings.h" ]; then
cat > .${ROOT_SRC_DIR}/user_settings.h <<EOF
/* Generated wolfSSL user_settings.h file for Arduino */
#ifndef ARDUINO_USER_SETTINGS_H
#define ARDUINO_USER_SETTINGS_H
/* Platform */
#define WOLFSSL_ARDUINO
/* Math library (remove this to use normal math)*/
#define USE_FAST_MATH
#define TFM_NO_ASM
#define NO_ASN_TIME
/* When using Intel Galileo Uncomment the line below */
/* #define INTEL_GALILEO */
/* RNG DEFAULT !!FOR TESTING ONLY!! */
/* comment out the error below to get started w/ bad entropy source
* This will need fixed before distribution but is OK to test with */
#error "needs solved, see: https://www.wolfssl.com/docs/porting-guide/"
#define WOLFSSL_GENSEED_FORTEST
#endif /* ARDUINO_USER_SETTINGS_H */
EOF
fi
cp .${WOLFCRYPT_HEADERS}/settings.h .${WOLFCRYPT_HEADERS}/settings.h.bak
cat > .${WOLFCRYPT_HEADERS}/settings.h <<EOF
/*wolfSSL Generated ARDUINO settings */
#ifndef WOLFSSL_USER_SETTINGS
#define WOLFSSL_USER_SETTINGS
#endif /* WOLFSSL_USER_SETTINGS */
/*wolfSSL Generated ARDUINO settings: END */
EOF
cat .${WOLFCRYPT_HEADERS}/settings.h.bak >> .${WOLFCRYPT_HEADERS}/settings.h
#Creating library.properties file based off of:
#https://arduino.github.io/arduino-cli/0.35/library-specification/#libraryproperties-file-format
cat > .${ROOT_DIR}/library.properties <<EOF
name=wolfSSL
version=${WOLFSSL_VERSION}
author=wolfSSL inc
maintainer=wolfSSL inc <support@wolfssl.com>
sentence=A lightweight SSL/TLS library written in ANSI C and targeted for embedded, RTOS, and resource-constrained environments.
paragraph=Manual: https://www.wolfssl.com/documentation/manuals/wolfssl/index.html.
category=Communication
url=https://www.wolfssl.com/
architectures=*
EOF
else
echo "ERROR: You must be in the IDE/ARDUINO directory to run this script"
fi