//*****************************************************************************
//
bool MASTERSERVER_RefreshIPList( IPList &List, const char *FileName )
{
std::stringstream oldIPs;
for ( ULONG ulIdx = 0; ulIdx < List.size(); ulIdx++ )
oldIPs << List.getEntryAsString ( ulIdx, false ).c_str() << "-";
if ( !(List.clearAndLoadFromFile( FileName )) )
std::cerr << List.getErrorMessage();
std::stringstream newIPs;
for ( ULONG ulIdx = 0; ulIdx < List.size(); ulIdx++ )
newIPs << List.getEntryAsString ( ulIdx, false ).c_str() << "-";
return ( strcmp ( newIPs.str().c_str(), oldIPs.str().c_str() ) != 0 );
}
void ProtocolLogin::getCharacterList(uint32_t accountName, const std::string& password)
{
uint32_t serverIp = serverIPs[0].first;
for (uint32_t i = 0; i < serverIPs.size(); i++) {
if ((serverIPs[i].first & serverIPs[i].second) == (getConnection()->getIP() & serverIPs[i].second)) {
serverIp = serverIPs[i].first;
break;
}
}
Account account;
if (!IOLoginData::loginserverAuthentication(accountName, password, account)) {
disconnectClient("Account name or password is not correct.");
return;
}
auto output = OutputMessagePool::getOutputMessage();
//Update premium days
Game::updatePremium(account);
const std::string& motd = g_config.getString(ConfigManager::MOTD);
if (!motd.empty()) {
//Add MOTD
output->addByte(0x14);
std::ostringstream ss;
ss << g_game.getMotdNum() << "\n" << motd;
output->addString(ss.str());
}
//Add char list
output->addByte(0x64);
uint8_t size = std::min<size_t>(std::numeric_limits<uint8_t>::max(), account.characters.size());
output->addByte(size);
for (uint8_t i = 0; i < size; i++) {
output->addString(account.characters[i]);
output->addString(g_config.getString(ConfigManager::SERVER_NAME));
output->add<uint32_t>(serverIp);
output->add<uint16_t>(g_config.getNumber(ConfigManager::GAME_PORT));
}
//Add premium days
if (g_config.getBoolean(ConfigManager::FREE_PREMIUM)) {
output->add<uint16_t>(0xFFFF); //client displays free premium
} else {
output->add<uint16_t>(account.premiumDays);
}
send(output);
disconnect();
}
//*****************************************************************************
//
void MASTERSERVER_InitializeBans( void )
{
const bool BannedIPsChanged = MASTERSERVER_RefreshIPList ( g_BannedIPs, "banlist.txt" );
const bool BannedIPExemptionsChanged = MASTERSERVER_RefreshIPList ( g_BannedIPExemptions, "whitelist.txt" );
if ( !(g_MultiServerExceptions.clearAndLoadFromFile( "multiserver_whitelist.txt" )) )
std::cerr << g_MultiServerExceptions.getErrorMessage();
if ( !(g_BlockedIPs.clearAndLoadFromFile( "blocklist.txt" )) )
std::cerr << g_BlockedIPs.getErrorMessage();
std::cerr << "\nBan list: " << g_BannedIPs.size() << " banned IPs, " << g_BlockedIPs.size( ) << " blocked IPs, " << g_BannedIPExemptions.size() << " exemptions." << std::endl;
std::cerr << "Multi-server exceptions: " << g_MultiServerExceptions.size() << "." << std::endl;
if ( BannedIPsChanged || BannedIPExemptionsChanged )
{
// [BB] The ban list was changed, so no server has the latest list anymore.
for( std::set<SERVER_s, SERVERCompFunc>::iterator it = g_Servers.begin(); it != g_Servers.end(); ++it )
{
it->bHasLatestBanList = false;
it->bVerifiedLatestBanList = false;
}
std::cerr << "Ban lists were changed since last refresh\n";
}
/*
// [BB] Print all banned IPs, to make sure the IP list has been parsed successfully.
std::cerr << "Entries in blacklist:\n";
for ( ULONG ulIdx = 0; ulIdx < g_BannedIPs.size(); ulIdx++ )
std::cerr << g_BannedIPs.getEntryAsString(ulIdx).c_str();
// [BB] Print all exemption-IPs, to make sure the IP list has been parsed successfully.
std::cerr << "Entries in whitelist:\n";
for ( ULONG ulIdx = 0; ulIdx < g_BannedIPExemptions.size(); ulIdx++ )
std::cerr << g_BannedIPExemptions.getEntryAsString(ulIdx).c_str();
*/
}
//*****************************************************************************
//
void MASTERSERVER_SendBanlistToServer( const SERVER_s &Server )
{
// [BB] If the server supports it, potentially split the ban list over multiple packets.
if ( Server.iServerRevision >= 2907 )
{
BanlistPacketSender sender ( Server );
sender.start();
// Write all the bans.
for ( unsigned int i = 0; i < g_BannedIPs.size( ); ++i )
sender.writeBanEntry ( g_BannedIPs.getEntryAsString( i, false, false, false ).c_str( ), MSB_BAN );
// Write all the exceptions.
for ( unsigned int i = 0; i < g_BannedIPExemptions.size( ); ++i )
sender.writeBanEntry ( g_BannedIPExemptions.getEntryAsString( i, false, false, false ).c_str( ), MSB_BANEXEMPTION );
sender.end();
}
else
{
NETWORK_ClearBuffer( &g_MessageBuffer );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, MASTER_SERVER_BANLIST );
// [BB] If the server sent us a verification string, send it along with the ban list.
// This allows the server to verify that the list actually was sent from our master
// (and is not just a packet with forged source IP).
if ( Server.MasterBanlistVerificationString.size() )
NETWORK_WriteString( &g_MessageBuffer.ByteStream, Server.MasterBanlistVerificationString.c_str() );
// Write all the bans.
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, g_BannedIPs.size( ));
for ( ULONG i = 0; i < g_BannedIPs.size( ); i++ )
NETWORK_WriteString( &g_MessageBuffer.ByteStream, g_BannedIPs.getEntryAsString( i, false, false, false ).c_str( ));
// Write all the exceptions.
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, g_BannedIPExemptions.size( ));
for ( ULONG i = 0; i < g_BannedIPExemptions.size( ); i++ )
NETWORK_WriteString( &g_MessageBuffer.ByteStream, g_BannedIPExemptions.getEntryAsString( i, false, false, false ).c_str( ));
NETWORK_LaunchPacket( &g_MessageBuffer, Server.Address );
}
Server.bHasLatestBanList = true;
Server.bVerifiedLatestBanList = false;
printf( "-> Banlist sent to %s.\n", NETWORK_AddressToString( Server.Address ));
}
bool ProtocolLogin::parseFirstPacket(NetworkMessage& msg)
{
if(
#ifndef _CONSOLE
!GUI::getInstance()->m_connections ||
#endif
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, "Only clients with protocol " CLIENT_VERSION_STR " allowed!");
return false;
}
if(!RSA_decrypt(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);
std::string accountName = msg.GetString();
std::string password = msg.GetString();
if(accountName.empty())
{
if(g_config.getBoolean(ConfigManager::ACCOUNT_MANAGER))
{
accountName = "1";
password = "******";
}
else
{
disconnectClient(0x0A, "Invalid Account Name.");
return false;
}
}
if(version < CLIENT_VERSION_MIN || version > CLIENT_VERSION_MAX)
{
disconnectClient(0x0A, "Only clients with protocol " CLIENT_VERSION_STR " allowed!");
return false;
}
if(g_game.getGameState() == GAME_STATE_STARTUP)
{
disconnectClient(0x0A, "Gameworld is starting up. Please wait.");
return false;
}
if(g_game.getGameState() == GAME_STATE_MAINTAIN)
{
disconnectClient(0x0A, "Gameworld is under maintenance. Please re-connect in a while.");
return false;
}
if(g_bans.isIpDisabled(clientip))
{
disconnectClient(0x0A, "Too many connections attempts from this IP. Try again later.");
return false;
}
if(IOBan::getInstance()->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 = IOLoginData::getInstance()->loadAccount(accountName);
if(account.id == 0 || !passwordTest(password, account.password))
{
g_bans.addLoginAttempt(clientip, false);
disconnectClient(0x0A, "Account name or password is not correct.");
return false;
}
g_bans.addLoginAttempt(clientip, true);
OutputMessage_ptr output = OutputMessagePool::getInstance()->getOutputMessage(this, false);
if(output)
{
TRACK_MESSAGE(output);
//Update premium days
g_game.updatePremium(account);
//Add MOTD
output->AddByte(0x14);
std::ostringstream ss;
ss << g_game.getMotdNum() << "\n" << g_config.getString(ConfigManager::MOTD);
output->AddString(ss.str());
//Add char list
output->AddByte(0x64);
if(g_config.getBoolean(ConfigManager::ACCOUNT_MANAGER) && account.id != 1)
{
output->AddByte((uint8_t)account.charList.size() + 1);
output->AddString("Account Manager");
output->AddString(g_config.getString(ConfigManager::SERVER_NAME));
output->AddU32(serverip);
output->AddU16(g_config.getNumber(ConfigManager::GAME_PORT));
}
else
output->AddByte((uint8_t)account.charList.size());
std::list<std::string>::iterator it, end;
for(it = account.charList.begin(), end = account.charList.end(); it != end; ++it)
{
output->AddString(*it);
if(g_config.getBoolean(ConfigManager::ON_OR_OFF_CHARLIST))
{
if(g_game.getPlayerByName((*it)))
output->AddString("Online");
else
output->AddString("Offline");
}
else
output->AddString(g_config.getString(ConfigManager::SERVER_NAME));
output->AddU32(serverip);
output->AddU16(g_config.getNumber(ConfigManager::GAME_PORT));
}
//Add premium days
if(g_config.getBoolean(ConfigManager::FREE_PREMIUM))
output->AddU16(0xFFFF); //client displays free premium
else
output->AddU16(account.premiumDays);
OutputMessagePool::getInstance()->send(output);
}
getConnection()->closeConnection();
return true;
}
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;
}
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);
/*
* Skipped bytes:
* 12 bytes: dat, spr, pic signatures (4 bytes each)
*/
#ifdef __PROTOCOL_77__
if (!RSA_decrypt(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);
#endif
uint32_t accountName = msg.GetU32();
std::string password = msg.GetString();
if (version < CLIENT_VERSION_MIN || version > CLIENT_VERSION_MAX) {
disconnectClient(0x0A, "Only clients with protocol " CLIENT_VERSION_STR " allowed!");
return false;
}
if (g_game.getGameState() == GAME_STATE_STARTUP) {
disconnectClient(0x0A, "Gameworld is starting up. Please wait.");
return false;
}
if (g_game.getGameState() == GAME_STATE_MAINTAIN) {
disconnectClient(0x0A, "Gameworld is under maintenance. Please re-connect in a while.");
return false;
}
BanInfo banInfo;
if (IOBan::getInstance()->isIpBanned(clientip, banInfo)) {
if (banInfo.reason.empty()) {
banInfo.reason = "(none)";
}
std::ostringstream ss;
ss << "Your IP has been banned until " << formatDateShort(banInfo.expiresAt) << " by " << banInfo.bannedBy << ".\n\nReason specified:\n" << banInfo.reason;
disconnectClient(0x0A, ss.str().c_str());
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;
}
}
if (!accountName) {
disconnectClient(0x0A, "Invalid account id.");
return false;
}
Account account;
if (!IOLoginData::getInstance()->loginserverAuthentication(accountName, password, account)) {
disconnectClient(0x0A, "Account id or password is not correct.");
return false;
}
OutputMessage_ptr output = OutputMessagePool::getInstance()->getOutputMessage(this, false);
if (output) {
//Update premium days
g_game.updatePremium(account);
//Add MOTD
output->AddByte(0x14);
std::ostringstream ss;
ss << g_game.getMotdNum() << "\n" << g_config.getString(ConfigManager::MOTD);
output->AddString(ss.str());
//Add char list
output->AddByte(0x64);
output->AddByte((uint8_t)account.charList.size());
for (const std::string& characterName : account.charList) {
output->AddString(characterName);
if (g_config.getBoolean(ConfigManager::ON_OR_OFF_CHARLIST)) {
if (g_game.getPlayerByName(characterName)) {
output->AddString("Online");
} else {
output->AddString("Offline");
}
} else {
output->AddString(g_config.getString(ConfigManager::SERVER_NAME));
}
output->AddU32(serverip);
output->AddU16(g_config.getNumber(ConfigManager::GAME_PORT));
}
//Add premium days
if (g_config.getBoolean(ConfigManager::FREE_PREMIUM)) {
output->AddU16(0xFFFF); //client displays free premium
} else {
output->AddU16(account.premiumDays);
}
OutputMessagePool::getInstance()->send(output);
}
getConnection()->closeConnection();
return true;
}
