87 lines
3.3 KiB
C++
87 lines
3.3 KiB
C++
// Copyright 2016 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/http/http_proxy_client_socket.h"
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#include <stddef.h>
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#include <stdint.h>
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#include <fuzzer/FuzzedDataProvider.h>
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#include <memory>
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#include <string>
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#include "base/check_op.h"
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#include "base/strings/utf_string_conversions.h"
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#include "net/base/address_list.h"
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#include "net/base/auth.h"
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#include "net/base/host_port_pair.h"
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#include "net/base/network_anonymization_key.h"
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#include "net/base/test_completion_callback.h"
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#include "net/http/http_auth_cache.h"
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#include "net/http/http_auth_handler_basic.h"
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#include "net/http/http_auth_handler_digest.h"
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#include "net/http/http_auth_handler_factory.h"
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#include "net/http/http_auth_preferences.h"
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#include "net/http/http_auth_scheme.h"
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#include "net/log/net_log.h"
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#include "net/log/test_net_log.h"
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#include "net/socket/fuzzed_socket.h"
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#include "net/socket/next_proto.h"
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#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
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// Fuzzer for HttpProxyClientSocket only tests establishing a connection when
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// using the proxy as a tunnel.
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//
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// |data| is used to create a FuzzedSocket to fuzz reads and writes, see that
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// class for details.
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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FuzzedDataProvider data_provider(data, size);
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// Including an observer; even though the recorded results aren't currently
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// used, it'll ensure the netlogging code is fuzzed as well.
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net::RecordingNetLogObserver net_log_observer;
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net::TestCompletionCallback callback;
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auto fuzzed_socket =
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std::make_unique<net::FuzzedSocket>(&data_provider, net::NetLog::Get());
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CHECK_EQ(net::OK, fuzzed_socket->Connect(callback.callback()));
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// Create auth handler supporting basic and digest schemes. Other schemes can
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// make system calls, which doesn't seem like a great idea.
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net::HttpAuthCache auth_cache(
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false /* key_server_entries_by_network_anonymization_key */);
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net::HttpAuthPreferences http_auth_preferences;
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http_auth_preferences.set_allowed_schemes(
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std::set<std::string>{net::kBasicAuthScheme, net::kDigestAuthScheme});
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net::HttpAuthHandlerRegistryFactory auth_handler_factory(
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&http_auth_preferences);
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scoped_refptr<net::HttpAuthController> auth_controller(
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base::MakeRefCounted<net::HttpAuthController>(
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net::HttpAuth::AUTH_PROXY, GURL("http://proxy:42/"),
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net::NetworkAnonymizationKey(), &auth_cache, &auth_handler_factory,
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nullptr));
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// Determine if the HttpProxyClientSocket should be told the underlying socket
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// is HTTPS.
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net::HttpProxyClientSocket socket(
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std::move(fuzzed_socket), "Bond/007", net::HostPortPair("foo", 80),
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net::ProxyServer(net::ProxyServer::SCHEME_HTTP,
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net::HostPortPair("proxy", 42)),
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auth_controller.get(), nullptr /* proxy_delegate */,
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TRAFFIC_ANNOTATION_FOR_TESTS);
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int result = socket.Connect(callback.callback());
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result = callback.GetResult(result);
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// Repeatedly try to log in with the same credentials.
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while (result == net::ERR_PROXY_AUTH_REQUESTED) {
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if (!auth_controller->HaveAuth()) {
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auth_controller->ResetAuth(net::AuthCredentials(u"user", u"pass"));
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}
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result = socket.RestartWithAuth(callback.callback());
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result = callback.GetResult(result);
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}
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return 0;
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}
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