71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
//
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
#pragma once
|
|
|
|
#include "td/actor/actor.h"
|
|
|
|
#include "td/utils/BufferedFd.h"
|
|
#include "td/utils/common.h"
|
|
#include "td/utils/port/IPAddress.h"
|
|
#include "td/utils/port/SocketFd.h"
|
|
#include "td/utils/Status.h"
|
|
|
|
namespace td {
|
|
|
|
class Socks5 : public Actor {
|
|
public:
|
|
class Callback {
|
|
public:
|
|
Callback() = default;
|
|
Callback(const Callback &) = delete;
|
|
Callback &operator=(const Callback &) = delete;
|
|
virtual ~Callback() = default;
|
|
|
|
virtual void set_result(Result<SocketFd>) = 0;
|
|
virtual void on_connected() = 0;
|
|
};
|
|
|
|
Socks5(SocketFd socket_fd, IPAddress ip_address, string username, string password, std::unique_ptr<Callback> callback,
|
|
ActorShared<> parent);
|
|
|
|
private:
|
|
BufferedFd<SocketFd> fd_;
|
|
IPAddress ip_address_;
|
|
string username_;
|
|
string password_;
|
|
std::unique_ptr<Callback> callback_;
|
|
ActorShared<> parent_;
|
|
|
|
void on_error(Status status);
|
|
void tear_down() override;
|
|
void start_up() override;
|
|
void hangup() override;
|
|
|
|
enum class State {
|
|
SendGreeting,
|
|
WaitGreetingResponse,
|
|
WaitPasswordResponse,
|
|
SendIpAddress,
|
|
WaitIpAddressResponse,
|
|
Stop
|
|
} state_ = State::SendGreeting;
|
|
|
|
void send_greeting();
|
|
Status wait_greeting_response();
|
|
Status send_username_password();
|
|
|
|
Status wait_password_response();
|
|
|
|
void send_ip_address();
|
|
Status wait_ip_address_response();
|
|
|
|
void loop() override;
|
|
void timeout_expired() override;
|
|
};
|
|
|
|
} // namespace td
|