#!/bin/bash -eu
# Copyright 2020 Google LLC
#
# 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.
#
################################################################################

# Install Rust nightly
#curl https://sh.rustup.rs -sSf | sh -s -- -y
#source $HOME/.cargo/env

# Build libmpdec
tar zxf mpdecimal-2.5.0.tar.gz
cd mpdecimal-2.5.0
./configure && make -j$(nproc)

cd $SRC/openssl
if [[ $CFLAGS = *sanitize=memory* ]]
then
  CFLAGS+=" -DOPENSSL_NO_ASM=1"
fi
./config --debug no-fips no-shared no-tests
make -j$(nproc)

# Build libgmp
cd $SRC/libgmp
autoreconf -ivf
./configure --enable-maintainer-mode
make -j$(nproc)

# Build OpenSSL module
cd $SRC/bignum-fuzzer/modules/openssl
OPENSSL_INCLUDE_PATH=$SRC/openssl/include OPENSSL_LIBCRYPTO_A_PATH=$SRC/openssl/libcrypto.a make

# Build Go module
cd $SRC/bignum-fuzzer/modules/go
make

# Build Rust module
#cd $SRC/bignum-fuzzer/modules/rust
#make

# Build C++-Boost module
cd $SRC/bignum-fuzzer/modules/cpp_boost
make

# Build libgmp module
cd $SRC/bignum-fuzzer/modules/libgmp
LIBGMP_INCLUDE_PATH=$SRC/libgmp LIBGMP_A_PATH=$SRC/libgmp/.libs/libgmp.a make

# Build libmpdec module
cd $SRC/bignum-fuzzer/modules/libmpdec
LIBMPDEC_A_PATH=$SRC/mpdecimal-2.5.0/libmpdec/libmpdec.a LIBMPDEC_INCLUDE_PATH=$SRC/mpdecimal-2.5.0/libmpdec make

BASE_CXXFLAGS=$CXXFLAGS

# Build OpenSSL/Go fuzzer
cd $SRC/bignum-fuzzer
./config-modules.sh openssl go
CXXFLAGS="$BASE_CXXFLAGS -DBNFUZZ_FLAG_NO_NEGATIVE=1 -DBNFUZZ_FLAG_NUM_LEN=1200 -DBNFUZZ_FLAG_ALL_OPERATIONS=1"
LIBFUZZER_LINK="$LIB_FUZZING_ENGINE" make

# Copy OpenSSL/Go fuzzer to the designated location
cp $SRC/bignum-fuzzer/fuzzer $OUT/fuzzer_openssl_go_no_negative_num_len_1200_all_operations

# Build OpenSSL/Rust fuzzer
#cd $SRC/bignum-fuzzer
#make clean
#./config-modules.sh openssl rust
#CXXFLAGS="$BASE_CXXFLAGS -DBNFUZZ_FLAG_NUM_LEN=1200 -DBNFUZZ_FLAG_ALL_OPERATIONS=1 -DBNFUZZ_FLAG_NUM_LOOPS=1"
#LIBFUZZER_LINK="$LIB_FUZZING_ENGINE" make

# Copy OpenSSL/Rust fuzzer to the designated location
#cp $SRC/bignum-fuzzer/fuzzer $OUT/fuzzer_openssl_rust_num_len_1200_all_operations_num_loops_1

# Build OpenSSL/C++-Boost fuzzer
cd $SRC/bignum-fuzzer
make clean
./config-modules.sh openssl cpp_boost
CXXFLAGS="$BASE_CXXFLAGS -DBNFUZZ_FLAG_NUM_LEN=1200 -DBNFUZZ_FLAG_ALL_OPERATIONS=1 -DBNFUZZ_FLAG_NUM_LOOPS=1"
LIBFUZZER_LINK="$LIB_FUZZING_ENGINE" make

# Copy OpenSSL/C++-Boost fuzzer to the designated location
cp $SRC/bignum-fuzzer/fuzzer $OUT/fuzzer_openssl_cpp_boost_num_len_1200_all_operations_num_loops_1

# Build OpenSSL/libgmp fuzzer
cd $SRC/bignum-fuzzer
make clean
./config-modules.sh openssl libgmp
CXXFLAGS="$BASE_CXXFLAGS -DBNFUZZ_FLAG_NUM_LEN=1200 -DBNFUZZ_FLAG_ALL_OPERATIONS=1 -DBNFUZZ_FLAG_NUM_LOOPS=1"
LIBFUZZER_LINK="$LIB_FUZZING_ENGINE" make

# Copy OpenSSL/libgmp fuzzer to the designated location
cp $SRC/bignum-fuzzer/fuzzer $OUT/fuzzer_openssl_libgmp_num_len_1200_all_operations_num_loops_1

# Build mbedtls
cd $SRC/mbedtls
make lib -j$(nproc)

# Build BoringSSL
cd $SRC/boringssl
mkdir build
cd build
cmake -DCMAKE_CXX_FLAGS="$CXXFLAGS" -DCMAKE_C_FLAGS="$CFLAGS" -DBORINGSSL_ALLOW_CXX_RUNTIME=1 ..
make -j$(nproc)

# Build BoringSSL module
cd $SRC/bignum-fuzzer/modules/openssl
make clean
CFLAGS="$CFLAGS -DBIGNUM_FUZZER_BORINGSSL" OPENSSL_INCLUDE_PATH=$SRC/boringssl/include OPENSSL_LIBCRYPTO_A_PATH=$SRC/boringssl/build/crypto/libcrypto.a make

# Build mbedtls module
cd $SRC/bignum-fuzzer/modules/mbedtls
MBEDTLS_LIBMBEDCRYPTO_A_PATH=$SRC/mbedtls/library/libmbedcrypto.a MBEDTLS_INCLUDE_PATH=$SRC/mbedtls/include make

# Build BoringSSL/mbedtls fuzzer
cd $SRC/bignum-fuzzer
make clean
./config-modules.sh boringssl mbedtls
CXXFLAGS="$BASE_CXXFLAGS -DBNFUZZ_FLAG_NUM_LEN=100 -DBNFUZZ_FLAG_ALL_OPERATIONS=1 -DBNFUZZ_FLAG_NUM_LOOPS=1"
LIBFUZZER_LINK="$LIB_FUZZING_ENGINE" make

# Copy BoringSSL/mbedtls fuzzer to the designated location
cp $SRC/bignum-fuzzer/fuzzer $OUT/fuzzer_boringssl_mbedtls_num_len_100_all_operations_num_loops_1

# Build BoringSSL/libmpdec fuzzer
cd $SRC/bignum-fuzzer
make clean
./config-modules.sh boringssl libmpdec
CXXFLAGS="$BASE_CXXFLAGS -DBNFUZZ_FLAG_NUM_LEN=100 -DBNFUZZ_FLAG_ALL_OPERATIONS=1 -DBNFUZZ_FLAG_NUM_LOOPS=1"
LIBFUZZER_LINK="$LIB_FUZZING_ENGINE" make

# Copy BoringSSL/libmpdec fuzzer to the designated location
cp $SRC/bignum-fuzzer/fuzzer $OUT/fuzzer_boringssl_libmpdec_num_len_100_all_operations_num_loops_1

# Copy seed corpora to the designated location
cp $SRC/bignum-fuzzer/corpora/fuzzer_openssl_go_no_negative_num_len_1200_all_operations_seed_corpus.zip $OUT
#cp $SRC/bignum-fuzzer/corpora/fuzzer_openssl_rust_num_len_1200_all_operations_num_loops_1_seed_corpus.zip $OUT
cp $SRC/bignum-fuzzer/corpora/fuzzer_openssl_cpp_boost_num_len_1200_all_operations_num_loops_1_seed_corpus.zip $OUT
cp $SRC/bignum-fuzzer/corpora/fuzzer_openssl_libgmp_num_len_1200_all_operations_num_loops_1_seed_corpus.zip $OUT
cp $SRC/bignum-fuzzer/corpora/fuzzer_boringssl_mbedtls_num_len_100_all_operations_num_loops_1_seed_corpus.zip $OUT
cp $SRC/bignum-fuzzer/corpora/fuzzer_boringssl_mbedtls_num_len_100_all_operations_num_loops_1_seed_corpus.zip $OUT/fuzzer_boringssl_libmpdec_num_len_100_all_operations_num_loops_1_seed_corpus.zip