firmware/.clusterfuzzlite/build.sh

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#!/bin/bash -eu
# Build Meshtastic and a few needed dependencies using clang++
# and the OSS-Fuzz required build flags.
env
cd "$SRC"
NPROC=$(nproc || echo 1)
LDFLAGS=-lpthread cmake -S "$SRC/yaml-cpp" -B "$WORK/yaml-cpp/$SANITIZER" \
-DBUILD_SHARED_LIBS=OFF
cmake --build "$WORK/yaml-cpp/$SANITIZER" -j "$NPROC"
cmake --install "$WORK/yaml-cpp/$SANITIZER" --prefix /usr
cmake -S "$SRC/orcania" -B "$WORK/orcania/$SANITIZER" \
-DBUILD_STATIC=ON
cmake --build "$WORK/orcania/$SANITIZER" -j "$NPROC"
cmake --install "$WORK/orcania/$SANITIZER" --prefix /usr
cmake -S "$SRC/yder" -B "$WORK/yder/$SANITIZER" \
-DBUILD_STATIC=ON -DWITH_JOURNALD=OFF
cmake --build "$WORK/yder/$SANITIZER" -j "$NPROC"
cmake --install "$WORK/yder/$SANITIZER" --prefix /usr
cmake -S "$SRC/ulfius" -B "$WORK/ulfius/$SANITIZER" \
-DBUILD_STATIC=ON -DWITH_JANSSON=OFF -DWITH_CURL=OFF -DWITH_WEBSOCKET=OFF
cmake --build "$WORK/ulfius/$SANITIZER" -j "$NPROC"
cmake --install "$WORK/ulfius/$SANITIZER" --prefix /usr
cd "$SRC/firmware"
PLATFORMIO_EXTRA_SCRIPTS=$(echo -e "pre:.clusterfuzzlite/platformio-clusterfuzzlite-pre.py\npost:.clusterfuzzlite/platformio-clusterfuzzlite-post.py")
STATIC_LIBS=$(pkg-config --libs --static libulfius openssl libgpiod yaml-cpp bluez --silence-errors)
export PLATFORMIO_EXTRA_SCRIPTS
export STATIC_LIBS
export PLATFORMIO_WORKSPACE_DIR="$WORK/pio/$SANITIZER"
export TARGET_CC=$CC
export TARGET_CXX=$CXX
export TARGET_LD=$CXX
export TARGET_AR=llvm-ar
export TARGET_AS=llvm-as
export TARGET_OBJCOPY=llvm-objcopy
export TARGET_RANLIB=llvm-ranlib
mkdir -p "$OUT/lib"
cp .clusterfuzzlite/*_fuzzer.options "$OUT/"
for f in .clusterfuzzlite/*_fuzzer.cpp; do
fuzzer=$(basename "$f" .cpp)
cp -f "$f" src/fuzzer.cpp
pio run -vvv --environment "$PIO_ENV"
program="$PLATFORMIO_WORKSPACE_DIR/build/$PIO_ENV/program"
cp "$program" "$OUT/$fuzzer"
# Copy shared libraries used by the fuzzer.
read -d '' -ra shared_libs < <(ldd "$program" | sed -n 's/[^=]\+=> \([^ ]\+\).*/\1/p') || true
cp -f "${shared_libs[@]}" "$OUT/lib/"
# Build the initial fuzzer seed corpus.
corpus_name="${fuzzer}_seed_corpus"
corpus_generator="$PWD/.clusterfuzzlite/${corpus_name}.py"
if [[ -f $corpus_generator ]]; then
mkdir "$corpus_name"
pushd "$corpus_name"
python3 "$corpus_generator"
popd
zip -D "$OUT/${corpus_name}.zip" "$corpus_name"/*
fi
done