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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 <stddef.h>
#include <stdint.h>
#include <memory>
#include "base/logging.h"
#include "base/test/fuzzed_data_provider.h"
#include "net/base/address_list.h"
#include "net/base/net_errors.h"
#include "net/base/test_completion_callback.h"
#include "net/log/test_net_log.h"
#include "net/socket/client_socket_handle.h"
#include "net/socket/fuzzed_socket.h"
#include "net/socket/socks5_client_socket.h"
#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
// Fuzzer for Socks5ClientSocket. Only covers the SOCKS5 greeet and
// handshake.
//
// |data| is used to create a FuzzedSocket to fuzz reads and writes, see that
// class for details.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
// Use a test NetLog, to exercise logging code.
net::TestNetLog test_net_log;
base::FuzzedDataProvider data_provider(data, size);
net::TestCompletionCallback callback;
std::unique_ptr<net::FuzzedSocket> fuzzed_socket(
new net::FuzzedSocket(&data_provider, &test_net_log));
CHECK_EQ(net::OK, fuzzed_socket->Connect(callback.callback()));
std::unique_ptr<net::ClientSocketHandle> socket_handle(
new net::ClientSocketHandle());
socket_handle->SetSocket(std::move(fuzzed_socket));
net::HostResolver::RequestInfo request_info(net::HostPortPair("foo", 80));
net::SOCKS5ClientSocket socket(std::move(socket_handle), request_info,
TRAFFIC_ANNOTATION_FOR_TESTS);
int result = socket.Connect(callback.callback());
callback.GetResult(result);
return 0;
}
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