Example #1
0
bool ProtocolLogin::parseFirstPacket(NetworkMessage& msg)
{	
	if(g_game.getGameState() == GAME_STATE_SHUTDOWN){
		getConnection()->closeConnection();
		return false;
	}

	uint32_t clientip = getConnection()->getIP();

	/*uint16_t clientos =*/ msg.GetU16();
	uint16_t version  = msg.GetU16();
	msg.SkipBytes(12);
	
	if(version <= 760){
		disconnectClient(0x0A, STRING_CLIENT_VERSION);
	}

	if(!RSA_decrypt(g_otservRSA, msg)){
		getConnection()->closeConnection();
		return false;
	}

	uint32_t key[4];
	key[0] = msg.GetU32();
	key[1] = msg.GetU32();
	key[2] = msg.GetU32();
	key[3] = msg.GetU32();
	enableXTEAEncryption();
	setXTEAKey(key);

	uint32_t accnumber = msg.GetU32();
	std::string password = msg.GetString();

	if(!accnumber){
		disconnectClient(0x0A, "You must enter your account number.");
		return false;
	}

	if(version < CLIENT_VERSION_MIN || version > CLIENT_VERSION_MAX){
		disconnectClient(0x0A, STRING_CLIENT_VERSION);
		return false;
	}

	if(g_game.getGameState() == GAME_STATE_STARTUP){
		disconnectClient(0x0A, "Gameworld is starting up. Please wait.");
		return false;
	}

	if(g_bans.isIpDisabled(clientip)){
		disconnectClient(0x0A, "Too many connections attempts from this IP. Try again later.");
		return false;
	}
	
	if(g_bans.isIpBanished(clientip)){
		disconnectClient(0x0A, "Your IP is banished!");
		return false;
	}

	uint32_t serverip = serverIPs[0].first;
	for(uint32_t i = 0; i < serverIPs.size(); i++){
		if((serverIPs[i].first & serverIPs[i].second) == (clientip & serverIPs[i].second)){
			serverip = serverIPs[i].first;
			break;
		}
	}
	
	Account account = IOAccount::instance()->loadAccount(accnumber);
	if(!(accnumber != 0 && account.accnumber == accnumber &&
			passwordTest(password, account.password))){

		g_bans.addLoginAttempt(clientip, false);
		disconnectClient(0x0A, "Please enter a valid account number and password.");
		return false;
	}

	g_bans.addLoginAttempt(clientip, true);
		
	
	OutputMessage* output = OutputMessagePool::getInstance()->getOutputMessage(this, false);
	//Add MOTD
	std::stringstream motd;
	output->AddByte(0x14);
	motd << g_config.getNumber(ConfigManager::MOTD_NUM) << "\n";
	motd << g_config.getString(ConfigManager::MOTD);
	output->AddString(motd.str());
	//Add char list
	output->AddByte(0x64);
	output->AddByte((uint8_t)account.charList.size());
	std::list<std::string>::iterator it;
	for(it = account.charList.begin(); it != account.charList.end(); it++){
		output->AddString((*it));
		output->AddString(g_config.getString(ConfigManager::WORLD_NAME));
		output->AddU32(serverip);
		output->AddU16(g_config.getNumber(ConfigManager::PORT));
	}
	//Add premium days
	output->AddU16(account.premiumDays);//output->AddU16(0);
	
	OutputMessagePool::getInstance()->send(output);
	getConnection()->closeConnection();

	return true;
}