89 lines
2.9 KiB
Bash
Executable File
89 lines
2.9 KiB
Bash
Executable File
#!/bin/bash -eu
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#
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# Copyright 2021 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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: "${BAZEL_FUZZ_TEST_TAG:=fuzz-test}"
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: "${BAZEL_FUZZ_TEST_EXCLUDE_TAG:=no-oss-fuzz}"
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: "${BAZEL_PACKAGE_SUFFIX:=_oss_fuzz}"
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: "${BAZEL_TOOL:=bazel}"
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: "${BAZEL_EXTRA_BUILD_FLAGS:=}"
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if [ "$FUZZING_LANGUAGE" = "jvm" ]; then
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BAZEL_LANGUAGE=java
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else
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BAZEL_LANGUAGE=cc
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fi
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if [[ -z "${BAZEL_FUZZ_TEST_QUERY:-}" ]]; then
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BAZEL_FUZZ_TEST_QUERY="
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let all_fuzz_tests = attr(tags, \"${BAZEL_FUZZ_TEST_TAG}\", \"//...\") in
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let lang_fuzz_tests = attr(generator_function, \"^${BAZEL_LANGUAGE}_fuzz_test\$\", \$all_fuzz_tests) in
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\$lang_fuzz_tests - attr(tags, \"${BAZEL_FUZZ_TEST_EXCLUDE_TAG}\", \$lang_fuzz_tests)
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"
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fi
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echo "Using Bazel query to find fuzz targets: ${BAZEL_FUZZ_TEST_QUERY}"
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declare -r OSS_FUZZ_TESTS=(
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$(bazel query "${BAZEL_FUZZ_TEST_QUERY}" | sed "s/$/${BAZEL_PACKAGE_SUFFIX}/")
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)
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echo "Found ${#OSS_FUZZ_TESTS[@]} fuzz test packages:"
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for oss_fuzz_test in "${OSS_FUZZ_TESTS[@]}"; do
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echo " ${oss_fuzz_test}"
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done
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declare -r BAZEL_BUILD_FLAGS=(
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"-c" "opt"
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"--@rules_fuzzing//fuzzing:cc_engine=@rules_fuzzing_oss_fuzz//:oss_fuzz_engine" \
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"--@rules_fuzzing//fuzzing:cc_engine_instrumentation=oss-fuzz" \
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"--@rules_fuzzing//fuzzing:cc_engine_sanitizer=none" \
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"--cxxopt=-stdlib=libc++" \
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"--linkopt=-lc++" \
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"--action_env=CC=${CC}" "--action_env=CXX=${CXX}" \
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${BAZEL_EXTRA_BUILD_FLAGS[*]}
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)
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echo "Building the fuzz tests with the following Bazel options:"
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echo " ${BAZEL_BUILD_FLAGS[@]}"
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${BAZEL_TOOL} build "${BAZEL_BUILD_FLAGS[@]}" "${OSS_FUZZ_TESTS[@]}"
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echo "Extracting the fuzz test packages in the output directory."
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for oss_fuzz_archive in $(find bazel-bin/ -name "*${BAZEL_PACKAGE_SUFFIX}.tar"); do
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tar -xvf "${oss_fuzz_archive}" -C "${OUT}"
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done
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if [ "$SANITIZER" = "coverage" ]; then
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echo "Collecting the repository source files for coverage tracking."
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declare -r COVERAGE_SOURCES="${OUT}/proc/self/cwd"
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mkdir -p "${COVERAGE_SOURCES}"
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declare -r RSYNC_FILTER_ARGS=(
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"--include" "*.h"
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"--include" "*.cc"
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"--include" "*.hpp"
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"--include" "*.cpp"
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"--include" "*.c"
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"--include" "*.inc"
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"--include" "*/"
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"--exclude" "*"
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)
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rsync -avLk "${RSYNC_FILTER_ARGS[@]}" \
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"$(bazel info execution_root)/" \
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"${COVERAGE_SOURCES}/"
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fi
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