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- // 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.
- #include "net/quic/quic_stream_factory.h"
- #include <fuzzer/FuzzedDataProvider.h>
- #include "base/cxx17_backports.h"
- #include "net/base/network_isolation_key.h"
- #include "net/base/test_completion_callback.h"
- #include "net/cert/ct_policy_enforcer.h"
- #include "net/cert/do_nothing_ct_verifier.h"
- #include "net/cert/mock_cert_verifier.h"
- #include "net/cert/x509_certificate.h"
- #include "net/dns/context_host_resolver.h"
- #include "net/dns/fuzzed_host_resolver_util.h"
- #include "net/dns/public/secure_dns_policy.h"
- #include "net/http/http_server_properties.h"
- #include "net/http/transport_security_state.h"
- #include "net/quic/mock_crypto_client_stream_factory.h"
- #include "net/quic/mock_quic_context.h"
- #include "net/quic/quic_http_stream.h"
- #include "net/quic/test_task_runner.h"
- #include "net/socket/fuzzed_datagram_client_socket.h"
- #include "net/socket/fuzzed_socket_factory.h"
- #include "net/socket/socket_tag.h"
- #include "net/ssl/ssl_config_service_defaults.h"
- #include "net/test/gtest_util.h"
- #include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
- #include "url/scheme_host_port.h"
- #include "url/url_constants.h"
- namespace net {
- namespace {
- const uint8_t kCertData[] = {
- #include "net/data/ssl/certificates/wildcard.inc"
- };
- } // namespace
- namespace test {
- const char kServerHostName[] = "www.example.org";
- const int kServerPort = 443;
- const char kUrl[] = "https://www.example.org/";
- // TODO(nedwilliamson): Add POST here after testing
- // whether that can lead blocking while waiting for
- // the callbacks.
- const char kMethod[] = "GET";
- const size_t kBufferSize = 4096;
- const int kCertVerifyFlags = 0;
- // Static initialization for persistent factory data
- struct Env {
- Env() : scheme_host_port(url::kHttpsScheme, kServerHostName, kServerPort) {
- quic_context.AdvanceTime(quic::QuicTime::Delta::FromSeconds(1));
- ssl_config_service = std::make_unique<SSLConfigServiceDefaults>();
- crypto_client_stream_factory.set_use_mock_crypter(true);
- cert_verifier = std::make_unique<MockCertVerifier>();
- verify_details.cert_verify_result.verified_cert =
- X509Certificate::CreateFromBytes(kCertData);
- CHECK(verify_details.cert_verify_result.verified_cert);
- verify_details.cert_verify_result.is_issued_by_known_root = true;
- }
- std::unique_ptr<SSLConfigService> ssl_config_service;
- ProofVerifyDetailsChromium verify_details;
- MockCryptoClientStreamFactory crypto_client_stream_factory;
- url::SchemeHostPort scheme_host_port;
- NetLogWithSource net_log;
- std::unique_ptr<CertVerifier> cert_verifier;
- TransportSecurityState transport_security_state;
- quic::QuicTagVector connection_options;
- quic::QuicTagVector client_connection_options;
- DefaultCTPolicyEnforcer ct_policy_enforcer;
- MockQuicContext quic_context;
- };
- static struct Env* env = new Env();
- extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- FuzzedDataProvider data_provider(data, size);
- std::unique_ptr<ContextHostResolver> host_resolver =
- CreateFuzzedContextHostResolver(HostResolver::ManagerOptions(), nullptr,
- &data_provider,
- true /* enable_caching */);
- FuzzedSocketFactory socket_factory(&data_provider);
- // Initialize this on each loop since some options mutate this.
- HttpServerProperties http_server_properties;
- QuicParams& params = *env->quic_context.params();
- params.max_server_configs_stored_in_properties =
- data_provider.ConsumeBool() ? 1 : 0;
- params.close_sessions_on_ip_change = data_provider.ConsumeBool();
- params.allow_server_migration = data_provider.ConsumeBool();
- params.estimate_initial_rtt = data_provider.ConsumeBool();
- params.headers_include_h2_stream_dependency = data_provider.ConsumeBool();
- params.enable_socket_recv_optimization = data_provider.ConsumeBool();
- params.race_stale_dns_on_connection = data_provider.ConsumeBool();
- env->crypto_client_stream_factory.AddProofVerifyDetails(&env->verify_details);
- params.goaway_sessions_on_ip_change = false;
- params.migrate_sessions_early_v2 = false;
- params.migrate_sessions_on_network_change_v2 = false;
- params.retry_on_alternate_network_before_handshake = false;
- params.migrate_idle_sessions = false;
- if (!params.close_sessions_on_ip_change) {
- params.goaway_sessions_on_ip_change = data_provider.ConsumeBool();
- if (!params.goaway_sessions_on_ip_change) {
- params.migrate_sessions_on_network_change_v2 =
- data_provider.ConsumeBool();
- if (params.migrate_sessions_on_network_change_v2) {
- params.migrate_sessions_early_v2 = data_provider.ConsumeBool();
- params.retry_on_alternate_network_before_handshake =
- data_provider.ConsumeBool();
- params.migrate_idle_sessions = data_provider.ConsumeBool();
- }
- }
- }
- std::unique_ptr<QuicStreamFactory> factory =
- std::make_unique<QuicStreamFactory>(
- env->net_log.net_log(), host_resolver.get(),
- env->ssl_config_service.get(), &socket_factory,
- &http_server_properties, env->cert_verifier.get(),
- &env->ct_policy_enforcer, &env->transport_security_state, nullptr,
- nullptr, &env->crypto_client_stream_factory, &env->quic_context);
- QuicStreamRequest request(factory.get());
- TestCompletionCallback callback;
- NetErrorDetails net_error_details;
- quic::ParsedQuicVersionVector versions = quic::AllSupportedVersions();
- quic::ParsedQuicVersion version =
- versions[data_provider.ConsumeIntegralInRange<size_t>(
- 0, versions.size() - 1)];
- quic::QuicEnableVersion(version);
- request.Request(
- env->scheme_host_port, version, PRIVACY_MODE_DISABLED, DEFAULT_PRIORITY,
- SocketTag(), NetworkIsolationKey(), SecureDnsPolicy::kAllow,
- true /* use_dns_aliases */, false /* require_dns_https_alpn */,
- kCertVerifyFlags, GURL(kUrl), env->net_log, &net_error_details,
- /*failed_on_default_network_callback=*/CompletionOnceCallback(),
- callback.callback());
- callback.WaitForResult();
- std::unique_ptr<QuicChromiumClientSession::Handle> session =
- request.ReleaseSessionHandle();
- if (!session)
- return 0;
- auto dns_aliases = session->GetDnsAliasesForSessionKey(request.session_key());
- auto stream = std::make_unique<QuicHttpStream>(std::move(session),
- std::move(dns_aliases));
- HttpRequestInfo request_info;
- request_info.method = kMethod;
- request_info.url = GURL(kUrl);
- request_info.traffic_annotation =
- MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS);
- stream->RegisterRequest(&request_info);
- stream->InitializeStream(true, DEFAULT_PRIORITY, env->net_log,
- CompletionOnceCallback());
- HttpResponseInfo response;
- HttpRequestHeaders request_headers;
- if (OK !=
- stream->SendRequest(request_headers, &response, callback.callback()))
- return 0;
- // TODO(nedwilliamson): attempt connection migration here
- int rv = stream->ReadResponseHeaders(callback.callback());
- if (rv != OK && rv != ERR_IO_PENDING) {
- return 0;
- }
- callback.WaitForResult();
- scoped_refptr<net::IOBuffer> buffer =
- base::MakeRefCounted<net::IOBuffer>(kBufferSize);
- rv = stream->ReadResponseBody(buffer.get(), kBufferSize, callback.callback());
- if (rv == ERR_IO_PENDING)
- callback.WaitForResult();
- return 0;
- }
- } // namespace test
- } // namespace net
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