# Copyright 2017 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. import("//build/config/sanitizers/sanitizers.gni") import("//testing/libfuzzer/fuzzer_test.gni") import("//third_party/libprotobuf-mutator/fuzzable_proto_library.gni") config("main_config") { cflags = [ "-Wno-shadow" ] include_dirs = [ "src/" ] } source_set("libprotobuf-mutator") { testonly = true # Remove *San and coverage for a performance boost. configs -= not_fuzzed_remove_configs configs += [ "//build/config/sanitizers:not_fuzzed" ] public_configs = [ ":main_config" ] sources = [ "src/src/binary_format.cc", "src/src/libfuzzer/libfuzzer_macro.cc", "src/src/libfuzzer/libfuzzer_mutator.cc", "src/src/mutator.cc", "src/src/text_format.cc", "src/src/utf8_fix.cc", ] # Allow users of LPM to use protobuf reflection and other features from # protobuf_full. public_deps = [ "//third_party/protobuf:protobuf_full" ] # Let ClusterFuzz builders know to not build targets that depend on # libprotobuf-mutator for AFL or Chrome OS. if (use_afl || current_toolchain == "//build/toolchain/cros:target") { all_dependent_configs = [ "//testing/libfuzzer:no_clusterfuzz" ] } } # The CQ will try building this target without "use_libfuzzer" if it is defined. # That will cause the build to fail, so don't define it when "use_libfuzzer" is # is false. if (use_libfuzzer) { # Test that fuzzable_proto_library works. This target contains files that are # optimized for LITE_RUNTIME and which import other files that are also # optimized for LITE_RUNTIME. fuzzer_test("lpm_test_fuzzer") { sources = [ "test_fuzzer/test_fuzzer.cc" ] deps = [ ":libprotobuf-mutator", ":lpm_test_fuzzer_proto", ] # Don't actually run this on CF. It's only a test to ensure builds work. additional_configs = [ "//testing/libfuzzer:no_clusterfuzz" ] } } # Proto library for lpm_test_fuzzer fuzzable_proto_library("lpm_test_fuzzer_proto") { sources = [ "test_fuzzer/imported.proto", "test_fuzzer/imported_publicly.proto", "test_fuzzer/test_fuzzer_input.proto", ] } # Avoid CQ complaints on platforms we don't care about (ie: iOS). # Also prevent people from using this to include protobuf_full into a production # build of Chrome. if (use_libfuzzer) { # Component that can provide protobuf_full to non-testonly targets static_library("protobuf_full") { public_deps = [ "//third_party/protobuf:protobuf_full" ] sources = [ "dummy.cc" ] } }