Merge "Add a fuzzer for OTA package verification" am: 6a4dbdf0 am: 923cdf3d

        },

    },

}

cc_fuzz {

    name: "libinstall_verify_package_fuzzer",

    defaults: [

        "recovery_test_defaults",

    ],

    srcs: ["fuzz/verify_package_fuzzer.cpp"],

    corpus: [

      "testdata/otasigned*.zip",

    ],

    static_libs: [

        "libotautil",

        "libinstall",

        "librecovery_ui",

        "libminui",

    ],

}

/*

 * Copyright (C) 2020 The Android Open Source Project

 *

 * 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.

 */

#include "fuzzer/FuzzedDataProvider.h"

#include "install/install.h"

#include "install/package.h"

#include "recovery_ui/stub_ui.h"

std::unique_ptr<Package> CreatePackage(std::vector<uint8_t>& content) {

  return Package::CreateMemoryPackage(content, [](float) -> void {});

}

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

  FuzzedDataProvider data_provider(data, size);

  auto package_contents = data_provider.ConsumeRemainingBytes<uint8_t>();

  if (package_contents.size() == 0) {

    return 0;

  }

  auto package = CreatePackage(package_contents);

  StubRecoveryUI ui;

  verify_package(package.get(), &ui);

  return 0;

}