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- // Copyright 2016 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 "net/url_request/url_request.h"
- #include <stddef.h>
- #include <stdint.h>
- #include <fuzzer/FuzzedDataProvider.h>
- #include <memory>
- #include "base/run_loop.h"
- #include "net/base/request_priority.h"
- #include "net/socket/fuzzed_socket_factory.h"
- #include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
- #include "net/url_request/url_request.h"
- #include "net/url_request/url_request_context.h"
- #include "net/url_request/url_request_context_builder.h"
- #include "net/url_request/url_request_test_util.h"
- #include "url/gurl.h"
- // Restrict max input length to reject too long inputs that can be too slow to
- // process and may lead to an unbounded corpus growth.
- const size_t kMaxInputSize = 65536 + 257;
- // Integration fuzzer for URLRequest's handling of HTTP requests. Can follow
- // redirects, both on the same server (using a new socket or the old one) and
- // across servers.
- // TODO(mmenke): Add support for testing HTTPS, auth, proxies, uploading,
- // cancelation, deferring reads / redirects, using preconnected sockets, SPDY,
- // QUIC, DNS failures (they all currently resolve to localhost), IPv6 DNS
- // results, URLs with IPs instead of hostnames (v4 and v6), etc.
- extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- if (size > kMaxInputSize)
- return 0;
- FuzzedDataProvider data_provider(data, size);
- auto context_builder = net::CreateTestURLRequestContextBuilder();
- net::FuzzedSocketFactory fuzzed_socket_factory(&data_provider);
- context_builder->set_client_socket_factory_for_testing(
- &fuzzed_socket_factory);
- auto url_request_context = context_builder->Build();
- net::TestDelegate delegate;
- std::unique_ptr<net::URLRequest> url_request(
- url_request_context->CreateRequest(GURL("http://foo/"),
- net::DEFAULT_PRIORITY, &delegate,
- TRAFFIC_ANNOTATION_FOR_TESTS));
- url_request->Start();
- // TestDelegate quits the message loop on completion.
- base::RunLoop().Run();
- return 0;
- }
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