144 lines
5.5 KiB
Bash
Executable File
144 lines
5.5 KiB
Bash
Executable File
#!/bin/bash -eu
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# Copyright 2016 Google Inc.
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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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set -o errexit
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set -o nounset
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readonly FUZZER_DICTIONARIES=(
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test/core/end2end/fuzzers/hpack.dictionary
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)
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readonly FUZZER_TARGETS=(
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test/core/json:json_fuzzer
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test/core/uri:uri_fuzzer_test
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test/core/http:request_fuzzer
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test/core/http:response_fuzzer
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test/core/nanopb:fuzzer_response
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test/core/nanopb:fuzzer_serverlist
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test/core/slice:percent_decode_fuzzer
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test/core/slice:percent_encode_fuzzer
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test/core/transport/chttp2:hpack_parser_fuzzer
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test/core/end2end/fuzzers:client_fuzzer
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test/core/end2end/fuzzers:server_fuzzer
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test/core/security:ssl_server_fuzzer
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test/core/security:alts_credentials_fuzzer
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)
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# build grpc
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# Temporary hack, see https://github.com/google/oss-fuzz/issues/383
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readonly NO_VPTR='--copt=-fno-sanitize=vptr --linkopt=-fno-sanitize=vptr'
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# Copied from envoy's build.sh
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# Copy $CFLAGS and $CXXFLAGS into Bazel command-line flags, for both
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# compilation and linking.
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#
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# Some flags, such as `-stdlib=libc++`, generate warnings if used on a C source
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# file. Since the build runs with `-Werror` this will cause it to break, so we
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# use `--conlyopt` and `--cxxopt` instead of `--copt`.
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#
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readonly EXTRA_BAZEL_FLAGS="$(
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for f in ${CFLAGS}; do
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echo "--conlyopt=${f}" "--linkopt=${f}"
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done
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for f in ${CXXFLAGS}; do
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echo "--cxxopt=${f}" "--linkopt=${f}"
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done
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if [ "$SANITIZER" = "undefined" ]
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then
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# Bazel uses clang to link binary, which does not link clang_rt ubsan library for C++ automatically.
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# See issue: https://github.com/bazelbuild/bazel/issues/8777
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echo "--linkopt=$(find $(llvm-config --libdir) -name libclang_rt.ubsan_standalone_cxx-x86_64.a | head -1)"
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fi
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)"
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tools/bazel build \
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--dynamic_mode=off \
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--spawn_strategy=standalone \
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--genrule_strategy=standalone \
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${NO_VPTR} \
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--strip=never \
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--linkopt=-lc++ \
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--linkopt=-pthread \
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--copt=${LIB_FUZZING_ENGINE} \
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--linkopt=${LIB_FUZZING_ENGINE} \
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${EXTRA_BAZEL_FLAGS} \
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${FUZZER_TARGETS[@]} \
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--verbose_failures
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# Profiling with coverage requires that we resolve+copy all Bazel symlinks and
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# also remap everything under proc/self/cwd to correspond to Bazel build paths.
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if [ "${SANITIZER}" = 'coverage' ]
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then
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# The build invoker looks for sources in $SRC, but it turns out that we need
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# to not be buried under src/, paths are expected at out/proc/self/cwd by
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# the profiler.
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readonly REMAP_PATH="${OUT}/proc/self/cwd"
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mkdir -p "${REMAP_PATH}"
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rsync -av "${SRC}"/grpc/src "${REMAP_PATH}"
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rsync -av "${SRC}"/grpc/test "${REMAP_PATH}"
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# Remove filesystem loop manually.
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rm -rf "${SRC}"/grpc/bazel-grpc/external/grpc
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# Clean up symlinks with a missing referrant.
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find "${SRC}"/grpc/bazel-grpc/external -follow -type l -ls -delete || echo 'Symlink cleanup soft fail'
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rsync -avLk "${SRC}"/grpc/bazel-grpc/external "${REMAP_PATH}"
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# For .h, and some generated artifacts, we need bazel-out/. Need to heavily
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# filter out the build objects from bazel-out/. Also need to resolve symlinks,
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# since they don't make sense outside the build container.
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readonly RSYNC_FILTER_ARGS=(
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'--include=*.h'
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'--include=*.cc'
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'--include=*.hpp'
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'--include=*.cpp'
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'--include=*.c'
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'--include=*/'
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'--exclude=*'
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)
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rsync -avLk "${RSYNC_FILTER_ARGS[@]}" "${SRC}"/grpc/bazel-out "${REMAP_PATH}"
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rsync -avLkR "${RSYNC_FILTER_ARGS[@]}" "${HOME}" "${OUT}"
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rsync -avLkR "${RSYNC_FILTER_ARGS[@]}" /tmp "${OUT}"
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fi
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for target in "${FUZZER_TARGETS[@]}"; do
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# replace : with /
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fuzzer_name=${target/:/\/}
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echo "Copying fuzzer $fuzzer_name"
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cp "bazel-bin/$fuzzer_name" "$OUT/"
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done
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# Copy dictionaries and options files to $OUT/
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for dict in "${FUZZER_DICTIONARIES[@]}"; do
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cp "${dict}" "${OUT}/"
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done
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cp ${SRC}/grpc/tools/fuzzer/options/*.options "${OUT}/"
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# We don't have a consistent naming convention between fuzzer files and corpus
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# directories so we resort to hard coding zipping corpuses
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zip "${OUT}/json_fuzzer_seed_corpus.zip" test/core/json/corpus/*
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zip "${OUT}/uri_fuzzer_test_seed_corpus.zip" test/core/uri/uri_corpus/*
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zip "${OUT}/request_fuzzer_seed_corpus.zip" test/core/http/request_corpus/*
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zip "${OUT}/response_fuzzer_seed_corpus.zip" test/core/http/response_corpus/*
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zip "${OUT}/fuzzer_response_seed_corpus.zip" test/core/nanopb/corpus_response/*
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zip "${OUT}/fuzzer_serverlist_seed_corpus.zip" test/core/nanopb/corpus_serverlist/*
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zip "${OUT}/percent_decode_fuzzer_seed_corpus.zip" test/core/slice/percent_decode_corpus/*
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zip "${OUT}/percent_encode_fuzzer_seed_corpus.zip" test/core/slice/percent_encode_corpus/*
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zip "${OUT}/hpack_parser_fuzzer_seed_corpus.zip" test/core/transport/chttp2/hpack_parser_corpus/*
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zip "${OUT}/client_fuzzer_seed_corpus.zip" test/core/end2end/fuzzers/client_fuzzer_corpus/*
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zip "${OUT}/server_fuzzer_seed_corpus.zip" test/core/end2end/fuzzers/server_fuzzer_corpus/*
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zip "${OUT}/ssl_server_fuzzer_seed_corpus.zip" test/core/security/corpus/ssl_server_corpus/*
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zip "${OUT}/alts_credentials_fuzzer_seed_corpus.zip" test/core/security/corpus/alts_credentials_corpus/*
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