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- // Copyright 2019 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.
- #include <stddef.h>
- #include <stdint.h>
- #include <memory>
- #include <string>
- #include <utility>
- #include <vector>
- #include <fuzzer/FuzzedDataProvider.h>
- #include "base/check.h"
- #include "base/command_line.h"
- #include "base/containers/flat_map.h"
- #include "base/json/json_reader.h"
- #include "base/strings/string_util.h"
- #include "components/update_client/protocol_handler.h"
- #include "components/update_client/protocol_serializer.h"
- #include "third_party/abseil-cpp/absl/types/optional.h"
- struct Environment {
- Environment() { CHECK(base::CommandLine::Init(0, nullptr)); }
- };
- namespace update_client {
- extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- static Environment env;
- // Independently, try serializing a Request.
- base::flat_map<std::string, std::string> additional_attributes;
- std::vector<protocol_request::App> apps;
- // Share |data| between |MakeProtocolRequest| args
- FuzzedDataProvider data_provider(data, size);
- const size_t max_arg_size = size / 7;
- auto GetUtf8String = [&data_provider, max_arg_size]() -> std::string {
- std::string s = data_provider.ConsumeRandomLengthString(max_arg_size);
- return base::IsStringUTF8(s) ? s : "";
- };
- protocol_request::Request request = MakeProtocolRequest(
- false, "{" + GetUtf8String() + "}" /* session_id */,
- GetUtf8String() /* prod_id */, GetUtf8String() /* browser_version */,
- GetUtf8String() /* channel */, GetUtf8String() /* os_long_name */,
- GetUtf8String() /* download_preference */,
- absl::nullopt /* domain_joined */, additional_attributes,
- {} /*updater_state_attributes*/, std::move(apps));
- update_client::ProtocolHandlerFactoryJSON factory;
- std::unique_ptr<ProtocolSerializer> serializer = factory.CreateSerializer();
- std::string request_serialized = serializer->Serialize(request);
- // Any request we serialize should be valid JSON.
- CHECK(base::JSONReader::Read(request_serialized));
- return 0;
- }
- } // namespace update_client
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