Esempio n. 1
0
bool Connection::send(OutputMessage_ptr msg)
{
	#ifdef __DEBUG_NET_DETAIL__
	std::clog << "Connection::send init" << std::endl;
	#endif
	m_connectionLock.lock();
	if(m_connectionState != CONNECTION_STATE_OPEN || m_writeError)
	{
		m_connectionLock.unlock();
		return false;
	}

	TRACK_MESSAGE(msg);
	if(!m_pendingWrite)
	{
		if(msg->getProtocol())
			msg->getProtocol()->onSendMessage(msg);

		#ifdef __DEBUG_NET_DETAIL__
		std::clog << "Connection::send " << msg->size() << std::endl;
		#endif
		internalSend(msg);
	}
	else if(m_pendingWrite > 100 && g_config.getBool(ConfigManager::FORCE_CLOSE_SLOW_CONNECTION))
	{
		std::clog << "NOTICE: Forcing slow connection to disconnect!" << std::endl;
		close();
	}
	else
	{	
		#ifdef __DEBUG_NET__
		std::clog << "Connection::send Adding to queue " << msg->size() << std::endl;
		#endif
		OutputMessagePool::getInstance()->autoSend(msg);
	}

	m_connectionLock.unlock();
	return true;
}
Esempio n. 2
0
void Connection::internalSend(OutputMessage_ptr msg)
{
	TRACK_MESSAGE(msg);
	try
	{
		++m_pendingWrite;
		m_writeTimer.expires_from_now(boost::posix_time::seconds(Connection::writeTimeout));
		m_writeTimer.async_wait(boost::bind(&Connection::handleWriteTimeout,
			boost::weak_ptr<Connection>(shared_from_this()), boost::asio::placeholders::error));

		boost::asio::async_write(getHandle(),
			boost::asio::buffer(msg->getOutputBuffer(), msg->size()),
			boost::bind(&Connection::onWrite, shared_from_this(), msg, boost::asio::placeholders::error));
	}
	catch(boost::system::system_error& e)
	{
		if(m_logError)
		{
			LOG_MESSAGE(LOGTYPE_ERROR, e.what(), "NETWORK");
			m_logError = false;
		}
	}
}
Esempio n. 3
0
void ProtocolAdmin::parsePacket(NetworkMessage& msg)
{
	if(g_game.getGameState() == GAMESTATE_SHUTDOWN)
	{
		getConnection()->close();
		return;
	}

	uint8_t recvbyte = msg.get<char>();
	OutputMessage_ptr output = OutputMessagePool::getInstance()->getOutputMessage(this, false);
	if(!output)
		return;

	TRACK_MESSAGE(output);
	switch(m_state)
	{
		case ENCRYPTION_NO_SET:
		{
			if(Admin::getInstance()->isEncypted())
			{
				if((time(NULL) - m_startTime) > 30000)
				{
					getConnection()->close();
					addLogLine(LOGTYPE_EVENT, "encryption timeout");
					return;
				}

				if(recvbyte != AP_MSG_ENCRYPTION && recvbyte != AP_MSG_KEY_EXCHANGE)
				{
					output->put<char>(AP_MSG_ERROR);
					output->putString("encryption needed");
					OutputMessagePool::getInstance()->send(output);

					getConnection()->close();
					addLogLine(LOGTYPE_EVENT, "wrong command while ENCRYPTION_NO_SET");
					return;
				}
			}
			else
				m_state = NO_LOGGED_IN;

			break;
		}

		case NO_LOGGED_IN:
		{
			if(g_config.getBool(ConfigManager::ADMIN_REQUIRE_LOGIN))
			{
				if((time(NULL) - m_startTime) > 30000)
				{
					//login timeout
					getConnection()->close();
					addLogLine(LOGTYPE_EVENT, "login timeout");
					return;
				}

				if(m_loginTries > 3)
				{
					output->put<char>(AP_MSG_ERROR);
					output->putString("too many login tries");
					OutputMessagePool::getInstance()->send(output);

					getConnection()->close();
					addLogLine(LOGTYPE_EVENT, "too many login tries");
					return;
				}

				if(recvbyte != AP_MSG_LOGIN)
				{
					output->put<char>(AP_MSG_ERROR);
					output->putString("you are not logged in");
					OutputMessagePool::getInstance()->send(output);

					getConnection()->close();
					addLogLine(LOGTYPE_EVENT, "wrong command while NO_LOGGED_IN");
					return;
				}
			}
			else
				m_state = LOGGED_IN;

			break;
		}

		case LOGGED_IN:
			break;

		default:
		{
			getConnection()->close();
			addLogLine(LOGTYPE_EVENT, "no valid connection state!!!");
			return;
		}
	}

	m_lastCommand = time(NULL);
	switch(recvbyte)
	{
		case AP_MSG_LOGIN:
		{
			if(m_state == NO_LOGGED_IN && g_config.getBool(ConfigManager::ADMIN_REQUIRE_LOGIN))
			{
				std::string pass = msg.getString(), word = g_config.getString(ConfigManager::ADMIN_PASSWORD);
				_encrypt(word, false);
				if(pass == word)
				{
					m_state = LOGGED_IN;
					output->put<char>(AP_MSG_LOGIN_OK);
					addLogLine(LOGTYPE_EVENT, "login ok");
				}
				else
				{
					m_loginTries++;
					output->put<char>(AP_MSG_LOGIN_FAILED);
					output->putString("wrong password");
					addLogLine(LOGTYPE_EVENT, "login failed.("+ pass + ")");
				}
			}
			else
			{
				output->put<char>(AP_MSG_LOGIN_FAILED);
				output->putString("cannot login");
				addLogLine(LOGTYPE_EVENT, "wrong state at login");
			}

			break;
		}

		case AP_MSG_ENCRYPTION:
		{
			if(m_state == ENCRYPTION_NO_SET && Admin::getInstance()->isEncypted())
			{
				uint8_t keyType = msg.get<char>();
				switch(keyType)
				{
					case ENCRYPTION_RSA1024XTEA:
					{
						RSA* rsa = Admin::getInstance()->getRSAKey(ENCRYPTION_RSA1024XTEA);
						if(!rsa)
						{
							output->put<char>(AP_MSG_ENCRYPTION_FAILED);
							addLogLine(LOGTYPE_EVENT, "no valid server key type");
							break;
						}

						if(RSA_decrypt(rsa, msg))
						{
							m_state = NO_LOGGED_IN;
							uint32_t k[4]= {msg.get<uint32_t>(), msg.get<uint32_t>(), msg.get<uint32_t>(), msg.get<uint32_t>()};

							//use for in/out the new key we have
							enableXTEAEncryption();
							setXTEAKey(k);

							output->put<char>(AP_MSG_ENCRYPTION_OK);
							addLogLine(LOGTYPE_EVENT, "encryption ok");
						}
						else
						{
							output->put<char>(AP_MSG_ENCRYPTION_FAILED);
							output->putString("wrong encrypted packet");
							addLogLine(LOGTYPE_EVENT, "wrong encrypted packet");
						}

						break;
					}

					default:
					{
						output->put<char>(AP_MSG_ENCRYPTION_FAILED);
						output->putString("no valid key type");

						addLogLine(LOGTYPE_EVENT, "no valid client key type");
						break;
					}
				}
			}
			else
			{
				output->put<char>(AP_MSG_ENCRYPTION_FAILED);
				output->putString("cannot set encryption");
				addLogLine(LOGTYPE_EVENT, "cannot set encryption");
			}

			break;
		}

		case AP_MSG_KEY_EXCHANGE:
		{
			if(m_state == ENCRYPTION_NO_SET && Admin::getInstance()->isEncypted())
			{
				uint8_t keyType = msg.get<char>();
				switch(keyType)
				{
					case ENCRYPTION_RSA1024XTEA:
					{
						RSA* rsa = Admin::getInstance()->getRSAKey(ENCRYPTION_RSA1024XTEA);
						if(!rsa)
						{
							output->put<char>(AP_MSG_KEY_EXCHANGE_FAILED);
							addLogLine(LOGTYPE_EVENT, "no valid server key type");
							break;
						}

						output->put<char>(AP_MSG_KEY_EXCHANGE_OK);
						output->put<char>(ENCRYPTION_RSA1024XTEA);

						char RSAPublicKey[128];
						rsa->getPublicKey(RSAPublicKey);

						output->put<char>s(RSAPublicKey, 128);
						break;
					}

					default:
					{
						output->put<char>(AP_MSG_KEY_EXCHANGE_FAILED);
						addLogLine(LOGTYPE_EVENT, "no valid client key type");
						break;
					}
				}
			}
			else
			{
				output->put<char>(AP_MSG_KEY_EXCHANGE_FAILED);
				output->putString("cannot get public key");
				addLogLine(LOGTYPE_EVENT, "cannot get public key");
			}

			break;
		}

		case AP_MSG_COMMAND:
		{
			if(m_state != LOGGED_IN)
			{
				addLogLine(LOGTYPE_EVENT, "recvbyte == AP_MSG_COMMAND && m_state != LOGGED_IN !!!");
				break;
			}

			uint8_t command = msg.get<char>();
			switch(command)
			{
				case CMD_SAVE_SERVER:
				case CMD_SHALLOW_SAVE_SERVER:
				{
					uint8_t flags = (uint8_t)SAVE_PLAYERS | (uint8_t)SAVE_MAP | (uint8_t)SAVE_STATE;
					if(command == CMD_SHALLOW_SAVE_SERVER)
						flags |= SAVE_PLAYERS_SHALLOW;

					addLogLine(LOGTYPE_EVENT, "saving server");
					Dispatcher::getInstance().addTask(createTask(boost::bind(&Game::saveGameState, &g_game, flags)));

					output->put<char>(AP_MSG_COMMAND_OK);
					break;
				}

				case CMD_CLOSE_SERVER:
				{
					addLogLine(LOGTYPE_EVENT, "closing server");
					Dispatcher::getInstance().addTask(createTask(boost::bind(
						&Game::setGameState, &g_game, GAMESTATE_CLOSED)));

					output->put<char>(AP_MSG_COMMAND_OK);
					break;
				}

				case CMD_OPEN_SERVER:
				{
					addLogLine(LOGTYPE_EVENT, "opening server");
					g_game.setGameState(GAMESTATE_NORMAL);

					output->put<char>(AP_MSG_COMMAND_OK);
					break;
				}

				case CMD_SHUTDOWN_SERVER:
				{
					addLogLine(LOGTYPE_EVENT, "shutting down server");
					Dispatcher::getInstance().addTask(createTask(boost::bind(
						&Game::setGameState, &g_game, GAMESTATE_SHUTDOWN)));

					output->put<char>(AP_MSG_COMMAND_OK);
					break;
				}

				case CMD_PAY_HOUSES:
				{
					Dispatcher::getInstance().addTask(createTask(boost::bind(
						&ProtocolAdmin::adminCommandPayHouses, this)));
					break;
				}

				case CMD_RELOAD_SCRIPTS:
				{
					const int8_t reload = msg.get<char>();
					Dispatcher::getInstance().addTask(createTask(boost::bind(
						&ProtocolAdmin::adminCommandReload, this, reload)));
					break;
				}

				case CMD_KICK:
				{
					const std::string param = msg.getString();
					Dispatcher::getInstance().addTask(createTask(boost::bind(
						&ProtocolAdmin::adminCommandKickPlayer, this, param)));
					break;
				}

				case CMD_SEND_MAIL:
				{
					const std::string xmlData = msg.getString();
					Dispatcher::getInstance().addTask(createTask(boost::bind(
						&ProtocolAdmin::adminCommandSendMail, this, xmlData)));
					break;
				}

				case CMD_BROADCAST:
				{
					const std::string param = msg.getString();
					addLogLine(LOGTYPE_EVENT, "broadcasting: " + param);
					Dispatcher::getInstance().addTask(createTask(boost::bind(
						&Game::broadcastMessage, &g_game, param, MSG_STATUS_WARNING)));

					output->put<char>(AP_MSG_COMMAND_OK);
					break;
				}

				default:
				{
					output->put<char>(AP_MSG_COMMAND_FAILED);
					output->putString("not known server command");
					addLogLine(LOGTYPE_EVENT, "not known server command");
				}
			}
			break;
		}

		case AP_MSG_PING:
			output->put<char>(AP_MSG_PING_OK);
			break;

		case AP_MSG_KEEP_ALIVE:
			break;

		default:
		{
			output->put<char>(AP_MSG_ERROR);
			output->putString("not known command byte");

			addLogLine(LOGTYPE_EVENT, "not known command byte");
			break;
		}
	}

	if(output->size() > 0)
		OutputMessagePool::getInstance()->send(output);
}