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#!/bin/bash -eu
# Copyright 2018 Google Inc.
#
# 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.
#
################################################################################
#!/usr/bin/env bash
set -ex
ROOTDIR="${SRC}/solidity"
BUILDDIR="${ROOTDIR}/build"
mkdir -p "${BUILDDIR}" && mkdir -p "$BUILDDIR/deps"
ANTLRJAR="${BUILDDIR}/deps/antlr4.8.jar"
ANTLRJAR_URI="https://www.antlr.org/download/antlr-4.8-complete.jar"
download_antlr4()
{
if [[ ! -e "${ANTLRJAR}" ]]
then
wget -O "${ANTLRJAR}" "${ANTLRJAR_URI}"
fi
}
generate_protobuf_bindings()
{
cd "${ROOTDIR}"/test/tools/ossfuzz
# Generate protobuf C++ bindings
for protoName in yul abiV2 sol;
do
protoc "${protoName}"Proto.proto --cpp_out .
done
}
generate_antlr4_bindings()
{
cd "${ROOTDIR}"
# Replace boolean with bool to suit c++ syntax
sed -i 's/boolean /bool /g' docs/grammar/Solidity.g4
# Generate antlr4 visitor/parser/lexer c++ bindings
java -jar "${ANTLRJAR}" -Dlanguage=Cpp \
-Xexact-output-dir -package solidity::test::fuzzer -o test/tools/ossfuzz \
-no-listener -visitor docs/grammar/SolidityLexer.g4 docs/grammar/Solidity.g4
# Delete unnecessary autogen files
rm -f "${ROOTDIR}"/test/tools/ossfuzz/Solidity*Visitor.cpp \
"${ROOTDIR}"/test/tools/ossfuzz/Solidity*.interp \
"${ROOTDIR}"/test/tools/ossfuzz/Solidity*.tokens
}
build_fuzzers()
{
cd "${BUILDDIR}"
CXXFLAGS="${CXXFLAGS} -I/usr/local/include/c++/v1"
cmake -DCMAKE_TOOLCHAIN_FILE=cmake/toolchains/ossfuzz.cmake \
-DCMAKE_BUILD_TYPE=Release \
"${ROOTDIR}"
make ossfuzz ossfuzz_proto ossfuzz_abiv2 -j $(nproc)
}
copy_fuzzers_and_config()
{
cp "${BUILDDIR}"/test/tools/ossfuzz/*_ossfuzz "${OUT}"
cp "${ROOTDIR}"/test/tools/ossfuzz/config/*.options "${OUT}"
cp "${ROOTDIR}"/test/tools/ossfuzz/config/*.dict "${OUT}"
}
update_corpus()
{
rm -f "${OUT}"/*.zip
cd "${SRC}"/solidity-fuzzing-corpus
git pull origin master
for dir in "${SRC}"/solidity-fuzzing-corpus/*;
do
name=$(basename $dir)
zip -rq "${OUT}"/$name $dir
done
}
download_antlr4
generate_protobuf_bindings
generate_antlr4_bindings
build_fuzzers
copy_fuzzers_and_config
update_corpus
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