File: BUILD.gn

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# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/buildflag_header.gni")
import("//build/config/ozone.gni")
import("//build/config/ui.gni")
import("//chrome/test/fuzzing/in_process_fuzzer.gni")
import("//testing/libfuzzer/research/domatolpm/domatolpm.gni")

# This target exists to reference other test executables to bring these files
# into the build.
group("test") {
  testonly = true
  deps = [
    "mojo_js_fuzzing:test",
    "renderer_fuzzing:test",
    "webidl_fuzzing:test",
  ]
}

if (fuzzing_engine_supports_custom_main) {
  static_library("in_process_fuzzer_runner") {
    testonly = true
    sources = [
      "in_process_fuzzer.cc",
      "in_process_fuzzer.h",
    ]
    deps = [
      ":in_process_fuzzer_buildflags",
      "//testing/libfuzzer:fuzzing_engine_no_main",
    ]
    if (!is_android) {
      # See crbug.com/375763408. We need the locales to properly run our
      # fuzzers, but those aren't packed with //chrome/test:test_support for
      # windows builds. This ensures we're depending on them for all the
      # supported platforms.
      deps += [ "//chrome:packed_resources" ]
    }
    public_deps = [
      "//chrome/test:chrome_test_launcher",
      "//chrome/test:test_support",
    ]
  }

  buildflag_header("in_process_fuzzer_buildflags") {
    header = "in_process_fuzzer_buildflags.h"
    flags = [
      "IS_CENTIPEDE=$use_centipede",
      "IS_LIBFUZZER=$use_libfuzzer",
      "IS_FUZZILLI=$use_fuzzilli",

      # crbug.com/1474421: remove these lines once the bug is fixed.
      "DEBUG_CLUSTERFUZZ_FAILURE=$use_libfuzzer",
    ]
  }

  source_set("in_process_proto_fuzzer_runner") {
    testonly = true
    sources = [ "in_process_proto_fuzzer.h" ]
    public_deps = [ ":in_process_fuzzer_runner" ]
  }
}

if (!is_android) {
  in_process_fuzzer("html_in_process_fuzzer") {
    sources = [ "html_in_process_fuzzer.cc" ]
    dict = "html_in_process_fuzzer.dictionary"
  }
  in_process_fuzzer("js_in_process_fuzzer") {
    sources = [ "js_in_process_fuzzer.cc" ]
    deps = [ ":in_process_fuzzer_buildflags" ]
    is_fuzzilli_compatible = true
  }
  in_process_proto_fuzzer("page_load_in_process_fuzzer") {
    sources = [ "page_load_in_process_fuzzer.cc" ]
    proto_source = "page_load_in_process_fuzzer.proto"
    seed_corpus_sources = [
      "page_load_in_process_fuzzer_seed_corpus/cross_origin.textproto",
      "page_load_in_process_fuzzer_seed_corpus/network.textproto",
      "page_load_in_process_fuzzer_seed_corpus/simple.textproto",
    ]
    testcase_proto_kind = "test.fuzzing.page_load_fuzzing.FuzzCase"
  }
  in_process_proto_fuzzer("speech_synthesis_in_process_fuzzer") {
    sources = [ "speech_synthesis_in_process_fuzzer.cc" ]
    proto_source = "speech_synthesis_in_process_fuzzer.proto"
  }

  # Disable kombucha_in_process_fuzzer temporarily https://crbug.com/401073471
  # in_process_proto_fuzzer("kombucha_in_process_fuzzer") {
  #   sources = [
  #     "kombucha_in_process_fuzzer.cc",
  #     "kombucha_in_process_fuzzer.h",
  #   ]
  #
  #   proto_source = "kombucha_in_process_fuzzer.proto"
  #
  #   deps = [
  #     ":in_process_fuzzer_buildflags",
  #     "//chrome:packed_resources",
  #     "//chrome/app:command_ids",
  #     "//chrome/browser/ui:browser_element_identifiers",
  #     "//chrome/browser/ui:ui_features",
  #   ]
  #
  #   # Used for UI controls
  #   if (use_aura) {
  #     deps += [ "//ui/aura:test_support" ]
  #   }
  #   if (use_aura && use_ozone) {
  #     deps += [
  #       "//ui/ozone",
  #       "//ui/platform_window/common:common",
  #     ]
  #   }
  # }

  # We cannot disable instrumenting protobuf generated files on MSAN builds,
  # which makes the build time explode and fail the CQ.
  if (!is_msan) {
    domatolpm_fuzzer("domato_html_fuzzer_grammar") {
      template_file = "//third_party/domato/src/template.html"
      grammars = [
        "jsfuzzer://chrome/test/fuzzing/domato_html_in_process_fuzzer_grammar/js.txt",
        "cssfuzzer://third_party/domato/src/rules/css.txt",
        "htmlfuzzer://chrome/test/fuzzing/domato_html_in_process_fuzzer_grammar/html.txt",
      ]
    }
    in_process_fuzzer("domato_html_in_process_fuzzer") {
      sources = [ "domato_html_in_process_fuzzer.cc" ]

      deps = [
        ":domato_html_fuzzer_grammar",
        "//testing/libfuzzer/research/domatolpm:domatolpm_context",
        "//third_party/libprotobuf-mutator",
      ]
    }
  }

  domatolpm_fuzzer("webcodecs_fuzzer_grammar") {
    template_file = "//chrome/test/fuzzing/webcodecs_in_process_fuzzer_grammar/template.html"
    grammars = [ "webcodecs_fuzzer://chrome/test/fuzzing/webcodecs_in_process_fuzzer_grammar/webcodecs.txt" ]
  }
  in_process_fuzzer("webcodecs_in_process_fuzzer") {
    sources = [ "webcodecs_in_process_fuzzer.cc" ]

    deps = [
      ":webcodecs_fuzzer_grammar",
      "//chrome/test/fuzzing:in_process_proto_fuzzer_runner",
      "//testing/libfuzzer/research/domatolpm:domatolpm_context",
      "//third_party/libprotobuf-mutator",
    ]
  }

  domatolpm_fuzzer("notification_service_fuzzer_grammar") {
    template_file = "//chrome/test/fuzzing/notification_service_in_process_fuzzer_grammar/template.js"
    grammars = [ "notification_service_fuzzer://chrome/test/fuzzing/notification_service_in_process_fuzzer_grammar/notification_service.txt" ]
  }

  copy("notification_service_in_process_fuzzer_html") {
    sources = [ "//chrome/test/fuzzing/notification_service_in_process_fuzzer_grammar/notification_service_in_process_fuzzer.html" ]
    outputs = [ "$root_out_dir/notification_service_in_process_fuzzer.html" ]
  }

  in_process_fuzzer("notification_service_in_process_fuzzer") {
    sources = [ "notification_service_in_process_fuzzer.cc" ]

    deps = [
      ":notification_service_fuzzer_grammar",
      ":notification_service_in_process_fuzzer_html",
      "//chrome/test/fuzzing:in_process_proto_fuzzer_runner",
      "//testing/libfuzzer/research/domatolpm:domatolpm_context",
      "//third_party/libprotobuf-mutator",
    ]
    data_deps = [ ":notification_service_in_process_fuzzer_html" ]
    data = [ "$root_gen_dir/" ]
  }

  if (is_linux) {
    in_process_proto_fuzzer("atspi_in_process_fuzzer") {
      sources = [ "atspi_in_process_fuzzer.cc" ]
      libfuzzer_options = [
        "max_len=4096",
        "timeout=90",
      ]
      centipede_options = [ "timeout=90" ]
      proto_source = "atspi_in_process_fuzzer.proto"
      deps = [ "//sql" ]
    }
  }
}