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#!/bin/bash -eu
#
# Copyright 2021 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.
#
################################################################################
: "${BAZEL_FUZZ_TEST_TAG:=fuzz-test}"
: "${BAZEL_FUZZ_TEST_EXCLUDE_TAG:=no-oss-fuzz}"
: "${BAZEL_PACKAGE_SUFFIX:=_oss_fuzz}"
: "${BAZEL_TOOL:=bazel}"
: "${BAZEL_EXTRA_BUILD_FLAGS:=}"
if [ "$FUZZING_LANGUAGE" = "jvm" ]; then
BAZEL_LANGUAGE=java
else
BAZEL_LANGUAGE=cc
fi
if [[ -z "${BAZEL_FUZZ_TEST_QUERY:-}" ]]; then
BAZEL_FUZZ_TEST_QUERY="
let all_fuzz_tests = attr(tags, \"${BAZEL_FUZZ_TEST_TAG}\", \"//...\") in
let lang_fuzz_tests = attr(generator_function, \"^${BAZEL_LANGUAGE}_fuzz_test\$\", \$all_fuzz_tests) in
\$lang_fuzz_tests - attr(tags, \"${BAZEL_FUZZ_TEST_EXCLUDE_TAG}\", \$lang_fuzz_tests)
"
fi
echo "Using Bazel query to find fuzz targets: ${BAZEL_FUZZ_TEST_QUERY}"
declare -r OSS_FUZZ_TESTS=(
$(bazel query "${BAZEL_FUZZ_TEST_QUERY}" | sed "s/$/${BAZEL_PACKAGE_SUFFIX}/")
)
echo "Found ${#OSS_FUZZ_TESTS[@]} fuzz test packages:"
for oss_fuzz_test in "${OSS_FUZZ_TESTS[@]}"; do
echo " ${oss_fuzz_test}"
done
declare -r BAZEL_BUILD_FLAGS=(
"-c" "opt"
"--@rules_fuzzing//fuzzing:cc_engine=@rules_fuzzing_oss_fuzz//:oss_fuzz_engine" \
"--@rules_fuzzing//fuzzing:cc_engine_instrumentation=oss-fuzz" \
"--@rules_fuzzing//fuzzing:cc_engine_sanitizer=none" \
"--cxxopt=-stdlib=libc++" \
"--linkopt=-lc++" \
"--action_env=CC=${CC}" "--action_env=CXX=${CXX}" \
${BAZEL_EXTRA_BUILD_FLAGS[*]}
)
echo "Building the fuzz tests with the following Bazel options:"
echo " ${BAZEL_BUILD_FLAGS[@]}"
${BAZEL_TOOL} build "${BAZEL_BUILD_FLAGS[@]}" "${OSS_FUZZ_TESTS[@]}"
echo "Extracting the fuzz test packages in the output directory."
for oss_fuzz_archive in $(find bazel-bin/ -name "*${BAZEL_PACKAGE_SUFFIX}.tar"); do
tar -xvf "${oss_fuzz_archive}" -C "${OUT}"
done
if [ "$SANITIZER" = "coverage" ]; then
echo "Collecting the repository source files for coverage tracking."
declare -r COVERAGE_SOURCES="${OUT}/proc/self/cwd"
mkdir -p "${COVERAGE_SOURCES}"
declare -r RSYNC_FILTER_ARGS=(
"--include" "*.h"
"--include" "*.cc"
"--include" "*.hpp"
"--include" "*.cpp"
"--include" "*.c"
"--include" "*.inc"
"--include" "*/"
"--exclude" "*"
)
rsync -avLk "${RSYNC_FILTER_ARGS[@]}" \
"$(bazel info execution_root)/" \
"${COVERAGE_SOURCES}/"
fi
|
