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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/stl_util.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/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"
namespace net {
namespace {
const char 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() : host_port_pair(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>();
cert_transparency_verifier = std::make_unique<DoNothingCTVerifier>();
verify_details.cert_verify_result.verified_cert =
X509Certificate::CreateFromBytes(kCertData, base::size(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;
HostPortPair host_port_pair;
NetLogWithSource net_log;
std::unique_ptr<CertVerifier> cert_verifier;
TransportSecurityState transport_security_state;
quic::QuicTagVector connection_options;
quic::QuicTagVector client_connection_options;
std::unique_ptr<CTVerifier> cert_transparency_verifier;
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.race_cert_verification = 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;
params.go_away_on_path_degrading = 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();
}
}
}
if (!params.migrate_sessions_early_v2) {
params.go_away_on_path_degrading = 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,
env->cert_transparency_verifier.get(), 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->host_port_pair, version, PRIVACY_MODE_DISABLED, DEFAULT_PRIORITY,
SocketTag(), NetworkIsolationKey(), false /* disable_secure_dns */,
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;
std::unique_ptr<HttpStream> stream(new QuicHttpStream(std::move(session)));
HttpRequestInfo request_info;
request_info.method = kMethod;
request_info.url = GURL(kUrl);
request_info.traffic_annotation =
MutableNetworkTrafficAnnotationTag(TRAFFIC_ANNOTATION_FOR_TESTS);
stream->InitializeStream(&request_info, 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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