loginrecv.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2004-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "net/tmwa/loginrecv.h"
 
#include "client.h"
#include "configuration.h"
#include "logger.h"
 
#include "being/being.h"
 
#include "net/logindata.h"
#include "net/loginhandler.h"
#include "net/messagein.h"
 
#include "net/ea/loginrecv.h"
 
#include "net/tmwa/updateprotocol.h"
 
#include "utils/gettext.h"
 
#include "debug.h"
 
extern int packetVersion;
extern int itemIdLen;
 
namespace TmwAthena
{
 
extern ServerInfo charServer;
 
enum ServerFlags
{
 FLAG_REGISTRATION = 1
};
 
void LoginRecv::processServerVersion(Net::MessageIn &msg)
{
 packetVersion = 0;
 itemIdLen = 2;
 const uint8_t b1 = msg.readUInt8("b1"); // -1
 const uint8_t b2 = msg.readUInt8("b2");
 const uint8_t b3 = msg.readUInt8("b3");
 msg.readUInt8("b4");
 if (b1 == 255)
 { // old TMWA
 const unsigned int options = msg.readInt32("options");
 Ea::LoginRecv::mRegistrationEnabled =
 ((options & FLAG_REGISTRATION) != 0U);
 serverVersion = 0;
 tmwServerVersion = 0;
 }
 else if (b1 >= 0x0d)
 { // new TMWA
 const unsigned int options = msg.readInt32("options");
 Ea::LoginRecv::mRegistrationEnabled =
 ((options & FLAG_REGISTRATION) != 0U);
 serverVersion = 0;
 tmwServerVersion = (b1 << 16) | (b2 << 8) | b3;
 }
 else
 { // eAthena
 const unsigned int options = msg.readInt32("options");
 Ea::LoginRecv::mRegistrationEnabled =
 ((options & FLAG_REGISTRATION) != 0U);
 serverVersion = 0;
 tmwServerVersion = 0;
 }
 if (tmwServerVersion > 0)
 logger->log("Tmw server version: x%06x", tmwServerVersion);
 else
 logger->log("Server without version");
 updateProtocol();
 
 if (client->getState() != State::LOGIN)
 client->setState(State::LOGIN);
 
 // Leave this last
 Ea::LoginRecv::mVersionResponse = true;
}
 
void LoginRecv::processCharPasswordResponse(Net::MessageIn &msg)
{
 // 0: acc not found, 1: success, 2: password mismatch, 3: pass too short
 const uint8_t errMsg = msg.readUInt8("result code");
 // Successful pass change
 if (errMsg == 1)
 {
 client->setState(State::CHANGEPASSWORD_SUCCESS);
 }
 // pass change failed
 else
 {
 switch (errMsg)
 {
 case 0:
 errorMessage =
 // TRANSLATORS: error message
 _("Account was not found. Please re-login.");
 break;
 case 2:
 // TRANSLATORS: error message
 errorMessage = _("Old password incorrect.");
 break;
 case 3:
 // TRANSLATORS: error message
 errorMessage = _("New password too short.");
 break;
 default:
 // TRANSLATORS: error message
 errorMessage = _("Unknown error.");
 break;
 }
 client->setState(State::ACCOUNTCHANGE_ERROR);
 }
}
 
void LoginRecv::processLoginData(Net::MessageIn &msg)
{
 msg.readInt16("len");
 
 loginHandler->clearWorlds();
 
 const int worldCount = (msg.getLength() - 47) / 32;
 
 Ea::LoginRecv::mToken.session_ID1 = msg.readInt32("session id1");
 Ea::LoginRecv::mToken.account_ID = msg.readBeingId("accound id");
 Ea::LoginRecv::mToken.session_ID2 = msg.readInt32("session id2");
 msg.readInt32("old ip");
 loginData.lastLogin = msg.readString(24, "last login");
 msg.readInt16("unused");
 
 // reserve bits for future usage
 Ea::LoginRecv::mToken.sex = Being::intToGender(CAST_U8(
 msg.readUInt8("gender") & 3U));
 
 for (int i = 0; i < worldCount; i++)
 {
 WorldInfo *const world = new WorldInfo;
 
 world->address = msg.readInt32("ip address");
 world->port = msg.readInt16("port");
 world->name = msg.readString(20, "name");
 world->online_users = msg.readInt16("online number");
 config.setValue("updatehost", Ea::LoginRecv::mUpdateHost);
 world->updateHost = Ea::LoginRecv::mUpdateHost;
 msg.readInt16("maintenance");
 msg.readInt16("new");
 
 logger->log("Network: Server: %s (%s:%d)", world->name.c_str(),
 ipToString(world->address), world->port);
 
 Ea::LoginRecv::mWorlds.push_back(world);
 }
 client->setState(State::WORLD_SELECT);
}
 
} // namespace TmwAthena