C++ BigNumber::SetRand方法代码示例

void WardenMgr::SendSeedAndComputeKeys(WorldSession* const session)
{
    sLog->outStaticDebug("WardenMgr::SendSeedAndComputeKeys: building wardend packet");
    BigNumber s;
    s.SetRand(16 * 8);
    // save this seed for client send later when we have the new keys from wardend
    memcpy(&session->m_wardenSeed[0], s.AsByteArray(16), 16);
    // build the packet for wardend only
    LoadModuleAndGetKeys(session);

    // And we send this packet to the warden daemon for it to make the new key pair
    session->m_wardenStatus = WARD_STATE_PENDING_WARDEND;
}

//.........这里部分代码省略.........
    sha.UpdateBigNumbers(&s, &A, &B, &K, NULL);
    sha.Finalize();

    M1.SetBinary(sha.GetDigest(), sha.GetLength());

    if (memcmp(M1.AsByteArray().get(), clientM1.AsByteArray().get(), 32))
    {
        PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_UPD_BNET_FAILED_LOGINS);
        stmt->setString(0, _accountInfo->Login);
        LoginDatabase.Execute(stmt);

        Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
        logonResponse->SetAuthResult(AUTH_UNKNOWN_ACCOUNT);
        ReplaceResponse(response, logonResponse);
        TC_LOG_DEBUG("session", "[Battlenet::Password] %s attempted to log in with invalid password!", GetClientInfo().c_str());
        return false;
    }

    if (_gameAccounts.empty())
    {
        Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
        logonResponse->SetAuthResult(LOGIN_NO_GAME_ACCOUNT);
        ReplaceResponse(response, logonResponse);
        TC_LOG_DEBUG("session", "[Battlenet::Password] %s does not have any linked game accounts!", GetClientInfo().c_str());
        return false;
    }

    BigNumber M;
    sha.Initialize();
    sha.UpdateBigNumbers(&A, &M1, &K, NULL);
    sha.Finalize();
    M.SetBinary(sha.GetDigest(), sha.GetLength());

    BigNumber serverProof;
    serverProof.SetRand(128 * 8); // just send garbage, server signature check is patched out in client

    BitStream stream;
    ModuleInfo* password = sModuleMgr->CreateModule(_os, "Password");
    uint8 state = 3;

    stream.WriteBytes(&state, 1);
    stream.WriteBytes(M.AsByteArray(32).get(), 32);
    stream.WriteBytes(serverProof.AsByteArray(128).get(), 128);

    password->DataSize = stream.GetSize();
    password->Data = new uint8[password->DataSize];
    memcpy(password->Data, stream.GetBuffer(), password->DataSize);

    Authentication::ProofRequest* proofRequest = new Authentication::ProofRequest();
    proofRequest->Modules.push_back(password);
    if (_gameAccounts.size() > 1)
    {
        BitStream accounts;
        state = 0;
        accounts.WriteBytes(&state, 1);
        accounts.Write(_gameAccounts.size(), 8);
        for (GameAccountInfo const& gameAccount : _gameAccounts)
        {
            accounts.Write(2, 8);
            accounts.WriteString(gameAccount.DisplayName, 8);
        }

        ModuleInfo* selectGameAccount = sModuleMgr->CreateModule(_os, "SelectGameAccount");
        selectGameAccount->DataSize = accounts.GetSize();
        selectGameAccount->Data = new uint8[selectGameAccount->DataSize];
        memcpy(selectGameAccount->Data, accounts.GetBuffer(), selectGameAccount->DataSize);
        proofRequest->Modules.push_back(selectGameAccount);
        _modulesWaitingForData.push(MODULE_SELECT_GAME_ACCOUNT);
    }
    else
    {
        _gameAccountInfo = &_gameAccounts[0];

        if (_gameAccountInfo->IsBanned)
        {
            delete proofRequest;

            Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
            if (_gameAccountInfo->IsPermanentlyBanned)
            {
                logonResponse->SetAuthResult(LOGIN_BANNED);
                TC_LOG_DEBUG("session", "'%s:%d' [Battlenet::Password] Banned account %s tried to login!", GetRemoteIpAddress().to_string().c_str(), GetRemotePort(), _accountInfo->Login.c_str());
            }
            else
            {
                logonResponse->SetAuthResult(LOGIN_SUSPENDED);
                TC_LOG_DEBUG("session", "'%s:%d' [Battlenet::Password] Temporarily banned account %s tried to login!", GetRemoteIpAddress().to_string().c_str(), GetRemotePort(), _accountInfo->Login.c_str());
            }

            ReplaceResponse(response, logonResponse);
            return false;
        }

        proofRequest->Modules.push_back(sModuleMgr->CreateModule(_os, "RiskFingerprint"));
        _modulesWaitingForData.push(MODULE_RISK_FINGERPRINT);
    }

    ReplaceResponse(response, proofRequest);
    return true;
}

void Battlenet::Session::HandleLogonRequestCallback(PreparedQueryResult result)
{
    if (!result)
    {
        Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
        logonResponse->SetAuthResult(AUTH_UNKNOWN_ACCOUNT);
        AsyncWrite(logonResponse);
        TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] %s is trying to log in from unknown account!", GetClientInfo().c_str());
        return;
    }

    Field* fields = result->Fetch();
    _accountInfo->LoadResult(fields);

    std::string pStr = fields[8].GetString();
    std::string databaseV = fields[9].GetString();
    std::string databaseS = fields[10].GetString();

    _gameAccounts.resize(result->GetRowCount());
    uint32 i = 0;
    do
    {
        _gameAccounts[i++].LoadResult(result->Fetch() + 11);

    } while (result->NextRow());

    std::string ip_address = GetRemoteIpAddress().to_string();
    // If the IP is 'locked', check that the player comes indeed from the correct IP address
    if (_accountInfo->IsLockedToIP)
    {
        TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] Account '%s' is locked to IP - '%s' is logging in from '%s'", _accountInfo->Login.c_str(), _accountInfo->LastIP.c_str(), ip_address.c_str());

        if (_accountInfo->LastIP != ip_address)
        {
            Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
            logonResponse->SetAuthResult(AUTH_ACCOUNT_LOCKED);
            AsyncWrite(logonResponse);
            return;
        }
    }
    else
    {
        TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] Account '%s' is not locked to ip", _accountInfo->Login.c_str());
        if (_accountInfo->LockCountry.empty() || _accountInfo->LockCountry == "00")
            TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] Account '%s' is not locked to country", _accountInfo->Login.c_str());
        else if (!_accountInfo->LockCountry.empty() && !_ipCountry.empty())
        {
            TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] Account '%s' is locked to country: '%s' Player country is '%s'", _accountInfo->Login.c_str(), _accountInfo->LockCountry.c_str(), _ipCountry.c_str());
            if (_ipCountry != _accountInfo->LockCountry)
            {
                Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
                logonResponse->SetAuthResult(AUTH_ACCOUNT_LOCKED);
                AsyncWrite(logonResponse);
                return;
            }
        }
    }

    // If the account is banned, reject the logon attempt
    if (_accountInfo->IsBanned)
    {
        if (_accountInfo->IsPermanentlyBanned)
        {
            Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
            logonResponse->SetAuthResult(LOGIN_BANNED);
            AsyncWrite(logonResponse);
            TC_LOG_DEBUG("session", "'%s:%d' [Battlenet::LogonRequest] Banned account %s tried to login!", ip_address.c_str(), GetRemotePort(), _accountInfo->Login.c_str());
            return;
        }
        else
        {
            Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
            logonResponse->SetAuthResult(LOGIN_SUSPENDED);
            AsyncWrite(logonResponse);
            TC_LOG_DEBUG("session", "'%s:%d' [Battlenet::LogonRequest] Temporarily banned account %s tried to login!", ip_address.c_str(), GetRemotePort(), _accountInfo->Login.c_str());
            return;
        }
    }

    SHA256Hash sha;
    sha.UpdateData(_accountInfo->Login);
    sha.Finalize();

    I.SetBinary(sha.GetDigest(), sha.GetLength());

    ModuleInfo* password = sModuleMgr->CreateModule(_os, "Password");
    ModuleInfo* thumbprint = sModuleMgr->CreateModule(_os, "Thumbprint");

    if (databaseV.size() != size_t(BufferSizes::SRP_6_V) * 2 || databaseS.size() != size_t(BufferSizes::SRP_6_S) * 2)
        _SetVSFields(pStr);
    else
    {
        s.SetHexStr(databaseS.c_str());
        v.SetHexStr(databaseV.c_str());
    }

    b.SetRand(128 * 8);
    B = ((v * k) + g.ModExp(b, N)) % N;
    BigNumber unk;
    unk.SetRand(128 * 8);
//.........这里部分代码省略.........

    static bool HandleGameAccountCreateCommand(ChatHandler* handler, char const* args)
    {
        if (!*args)
        {
            handler->SendSysMessage(LANG_CMD_SYNTAX);
            handler->SetSentErrorMessage(true);
            return false;
        }

        std::string bnetAccountName = args;
        uint32 accountId = Battlenet::AccountMgr::GetId(bnetAccountName);
        if (!accountId)
        {
            handler->PSendSysMessage(LANG_ACCOUNT_NOT_EXIST, bnetAccountName.c_str());
            handler->SetSentErrorMessage(true);
            return false;
        }

        uint8 index = Battlenet::AccountMgr::GetMaxIndex(accountId) + 1;
        std::string accountName = std::to_string(accountId) + '#' + std::to_string(uint32(index));

        // Generate random hex string for password, these accounts must not be logged on with GRUNT
        BigNumber randPassword;
        randPassword.SetRand(8 * 16);

        switch (sAccountMgr->CreateAccount(accountName, ByteArrayToHexStr(randPassword.AsByteArray().get(), randPassword.GetNumBytes()), bnetAccountName, accountId, index))
        {
            case AccountOpResult::AOR_OK:
                handler->PSendSysMessage(LANG_ACCOUNT_CREATED, accountName.c_str());
                if (handler->GetSession())
                {
                    TC_LOG_INFO("entities.player.character", "Account: %u (IP: %s) Character:[%s] (%s) created Account %s (Email: '%s')",
                        handler->GetSession()->GetAccountId(), handler->GetSession()->GetRemoteAddress().c_str(),
                        handler->GetSession()->GetPlayer()->GetName().c_str(), handler->GetSession()->GetPlayer()->GetGUID().ToString().c_str(),
                        accountName.c_str(), bnetAccountName.c_str());
                }
                break;
            case AccountOpResult::AOR_NAME_TOO_LONG:
                handler->SendSysMessage(LANG_ACCOUNT_NAME_TOO_LONG);
                handler->SetSentErrorMessage(true);
                return false;
            case AccountOpResult::AOR_PASS_TOO_LONG:
                handler->SendSysMessage(LANG_ACCOUNT_PASS_TOO_LONG);
                handler->SetSentErrorMessage(true);
                return false;
            case AccountOpResult::AOR_NAME_ALREADY_EXIST:
                handler->SendSysMessage(LANG_ACCOUNT_ALREADY_EXIST);
                handler->SetSentErrorMessage(true);
                return false;
            case AccountOpResult::AOR_DB_INTERNAL_ERROR:
                handler->PSendSysMessage(LANG_ACCOUNT_NOT_CREATED_SQL_ERROR, accountName.c_str());
                handler->SetSentErrorMessage(true);
                return false;
            default:
                handler->PSendSysMessage(LANG_ACCOUNT_NOT_CREATED, accountName.c_str());
                handler->SetSentErrorMessage(true);
                return false;
        }

        return true;
    }

//.........这里部分代码省略.........
		//AccountName.erase( i );
	}

	// Look up the account information
	LOG_DEBUG("[AuthChallenge] Account Name: \"%s\"", AccountName.c_str());

	m_account = AccountMgr::getSingleton().GetAccount(AccountName);
	if(m_account == 0)
	{
		LOG_DEBUG("[AuthChallenge] Invalid account.");

		// Non-existant account
		SendChallengeError(CE_NO_ACCOUNT);
		return;
	}

	LOG_DEBUG("[AuthChallenge] Account banned state = %u", m_account->Banned);

	// Check that the account isn't banned.
	if(m_account->Banned == 1)
	{
		SendChallengeError(CE_ACCOUNT_CLOSED);
		return;
	}
	else if(m_account->Banned > 0)
	{
		SendChallengeError(CE_ACCOUNT_FREEZED);
		return;
	}

	// update cached locale
	if(!m_account->forcedLocale)
	{
		char temp[4];
		temp[0] = m_challenge.country[3];
		temp[1] = m_challenge.country[2];
		temp[2] = m_challenge.country[1];
		temp[3] = m_challenge.country[0];

		*(uint32*)&m_account->Locale[0] = *(uint32*)temp;
	}

	//////////////////////////////////////////////// SRP6 Challenge ////////////////////////////////////////////////
	//
	//
	// First we will generate the Verifier value using the following formulas
	//
	// x = SHA1(s | SHA1(I | ":" | P))
	// v = g^x % N
	//
	// The SHA1(I | ":" | P) part for x we have in the account database, this is the encrypted password, reversed
	// N is a safe prime
	// g is the generator
	// | means concatenation in this contect
	//
	//

	Sha1Hash sha;
	sha.UpdateData(s.AsByteArray(), 32);
	sha.UpdateData(m_account->SrpHash, 20);
	sha.Finalize();

	BigNumber x;
	x.SetBinary(sha.GetDigest(), sha.GetLength());
	v = g.ModExp(x, N);

	// Next we generate b, and B which are the public and private values of the server
	//
	// b = random()
	// B = k*v + g^b % N
	//
	// in our case the multiplier parameters, k = 3

	b.SetRand(152);
	uint8 k = 3;

	BigNumber gmod = g.ModExp(b, N);
	B = ((v * k) + gmod) % N;
	ASSERT(gmod.GetNumBytes() <= 32);

	BigNumber unk;
	unk.SetRand(128);


	// Now we send B, g, N and s to the client as a challenge, asking the client for the proof
	sAuthLogonChallenge_S challenge;
	challenge.cmd = 0;
	challenge.error = 0;
	challenge.unk2 = CE_SUCCESS;
	memcpy(challenge.B, B.AsByteArray(), 32);
	challenge.g_len = 1;
	challenge.g = (g.AsByteArray())[ 0 ];
	challenge.N_len = 32;
	memcpy(challenge.N, N.AsByteArray(), 32);
	memcpy(challenge.s, s.AsByteArray(), 32);
	memcpy(challenge.unk3, unk.AsByteArray(), 16);
	challenge.unk4 = 0;

	Send(reinterpret_cast< uint8* >(&challenge), sizeof(sAuthLogonChallenge_S));
}

/// Launch the Trinity server
extern int main(int argc, char** argv)
{
    std::string configFile = _TRINITY_CORE_CONFIG;
    std::string configService;

    auto vm = GetConsoleArguments(argc, argv, configFile, configService);
    // exit if help is enabled
    if (vm.count("help"))
        return 0;

#ifdef _WIN32
    if (configService.compare("install") == 0)
        return WinServiceInstall() == true ? 0 : 1;
    else if (configService.compare("uninstall") == 0)
        return WinServiceUninstall() == true ? 0 : 1;
    else if (configService.compare("run") == 0)
        WinServiceRun();
#endif

    std::string configError;
    if (!sConfigMgr->LoadInitial(configFile, configError))
    {
        printf("Error in config file: %s\n", configError.c_str());
        return 1;
    }

    if (sConfigMgr->GetBoolDefault("Log.Async.Enable", false))
    {
        // If logs are supposed to be handled async then we need to pass the io_service into the Log singleton
        Log::instance(&_ioService);
    }

    TC_LOG_INFO("server.worldserver", "%s (worldserver-daemon)", _FULLVERSION);
    TC_LOG_INFO("server.worldserver", "<Ctrl-C> to stop.\n");
    TC_LOG_INFO("server.worldserver", " ______                       __");
    TC_LOG_INFO("server.worldserver", "/\\__  _\\       __          __/\\ \\__");
    TC_LOG_INFO("server.worldserver", "\\/_/\\ \\/ _ __ /\\_\\    ___ /\\_\\ \\, _\\  __  __");
    TC_LOG_INFO("server.worldserver", "   \\ \\ \\/\\`'__\\/\\ \\ /' _ `\\/\\ \\ \\ \\/ /\\ \\/\\ \\");
    TC_LOG_INFO("server.worldserver", "    \\ \\ \\ \\ \\/ \\ \\ \\/\\ \\/\\ \\ \\ \\ \\ \\_\\ \\ \\_\\ \\");
    TC_LOG_INFO("server.worldserver", "     \\ \\_\\ \\_\\  \\ \\_\\ \\_\\ \\_\\ \\_\\ \\__\\\\/`____ \\");
    TC_LOG_INFO("server.worldserver", "      \\/_/\\/_/   \\/_/\\/_/\\/_/\\/_/\\/__/ `/___/> \\");
    TC_LOG_INFO("server.worldserver", "                                 C O R E  /\\___/");
    TC_LOG_INFO("server.worldserver", "http://TrinityCore.org                    \\/__/\n");
    TC_LOG_INFO("server.worldserver", "Using configuration file %s.", configFile.c_str());
    TC_LOG_INFO("server.worldserver", "Using SSL version: %s (library: %s)", OPENSSL_VERSION_TEXT, SSLeay_version(SSLEAY_VERSION));
    TC_LOG_INFO("server.worldserver", "Using Boost version: %i.%i.%i", BOOST_VERSION / 100000, BOOST_VERSION / 100 % 1000, BOOST_VERSION % 100);

    OpenSSLCrypto::threadsSetup();

    // Seed the OpenSSL's PRNG here.
    // That way it won't auto-seed when calling BigNumber::SetRand and slow down the first world login
    BigNumber seed;
    seed.SetRand(16 * 8);

    /// worldserver PID file creation
    std::string pidFile = sConfigMgr->GetStringDefault("PidFile", "");
    if (!pidFile.empty())
    {
        if (uint32 pid = CreatePIDFile(pidFile))
            TC_LOG_INFO("server.worldserver", "Daemon PID: %u\n", pid);
        else
        {
            TC_LOG_ERROR("server.worldserver", "Cannot create PID file %s.\n", pidFile.c_str());
            return 1;
        }
    }

    // Set signal handlers (this must be done before starting io_service threads, because otherwise they would unblock and exit)
    boost::asio::signal_set signals(_ioService, SIGINT, SIGTERM);
#if PLATFORM == PLATFORM_WINDOWS
    signals.add(SIGBREAK);
#endif
    signals.async_wait(SignalHandler);

    // Start the Boost based thread pool
    int numThreads = sConfigMgr->GetIntDefault("ThreadPool", 1);
    std::vector<std::thread> threadPool;

    if (numThreads < 1)
        numThreads = 1;

    for (int i = 0; i < numThreads; ++i)
        threadPool.push_back(std::thread(boost::bind(&boost::asio::io_service::run, &_ioService)));

    // Set process priority according to configuration settings
    SetProcessPriority("server.worldserver");

    // Start the databases
    if (!StartDB())
    {
        ShutdownThreadPool(threadPool);
        return 1;
    }

    // Set server offline (not connectable)
    LoginDatabase.DirectPExecute("UPDATE realmlist SET flag = (flag & ~%u) | %u WHERE id = '%d'", REALM_FLAG_OFFLINE, REALM_FLAG_INVALID, realmID);

    // Initialize the World
    sWorld->SetInitialWorldSettings();
//.........这里部分代码省略.........

void AuthSocket::HandleChallenge()
{
	// No header
	if(GetReadBuffer()->GetSize() < 4)
		return;

	if(sInfoCore.GetRealmMap().empty())
	{	// If we lack a realm to connect to, block em, it's better then making them sit and get locked into an empty list.
		SendChallengeError(CE_IPBAN);
		return;
	}

	// Check the rest of the packet is complete.
	uint8 * ReceiveBuffer = (uint8*)GetReadBuffer()->GetBufferOffset();
	uint16 full_size = *(uint16*)&ReceiveBuffer[2];

	DEBUG_LOG("AuthChallenge","got header, body is 0x%02X bytes", full_size);

	if(GetReadBuffer()->GetSize() < uint32(full_size+4))
		return;

	// Copy the data into our cached challenge structure
	if(full_size > sizeof(sAuthLogonChallenge_C))
	{
		Disconnect();
		return;
	}

	DEBUG_LOG("AuthChallenge","got full packet.");

	GetReadBuffer()->Read(&m_challenge, full_size + 4);

	// Check client build.
	if(GetBuild() > LogonServer::getSingleton().max_build)
	{
		SendChallengeError(CE_WRONG_BUILD_NUMBER);
		return;
	}

	if(GetBuild() < LogonServer::getSingleton().min_build)
	{
		// can we patch?
		char flippedloc[5] = {0,0,0,0,0};
		flippedloc[0] = m_challenge.country[3];
		flippedloc[1] = m_challenge.country[2];
		flippedloc[2] = m_challenge.country[1];
		flippedloc[3] = m_challenge.country[0];

		m_patch = PatchMgr::getSingleton().FindPatchForClient(GetBuild(), flippedloc);
		if(m_patch == NULL)
		{
			// could not find a valid patch
			SendChallengeError(CE_WRONG_BUILD_NUMBER);
			return;
		}

		DEBUG_LOG("Patch", "Selected patch %u%s for client.", m_patch->Version,m_patch->Locality);

		BigNumber unk;
		unk.SetRand(128);

		uint8 response[119] = {
			0x00, 0x00, 0x00, 0x72, 0x50, 0xa7, 0xc9, 0x27, 0x4a, 0xfa, 0xb8, 0x77, 0x80, 0x70, 0x22,
			0xda, 0xb8, 0x3b, 0x06, 0x50, 0x53, 0x4a, 0x16, 0xe2, 0x65, 0xba, 0xe4, 0x43, 0x6f, 0xe3,
			0x29, 0x36, 0x18, 0xe3, 0x45, 0x01, 0x07, 0x20, 0x89, 0x4b, 0x64, 0x5e, 0x89, 0xe1, 0x53,
			0x5b, 0xbd, 0xad, 0x5b, 0x8b, 0x29, 0x06, 0x50, 0x53, 0x08, 0x01, 0xb1, 0x8e, 0xbf, 0xbf,
			0x5e, 0x8f, 0xab, 0x3c, 0x82, 0x87, 0x2a, 0x3e, 0x9b, 0xb7, 0x00, 0x00, 0x00, 0x00, 0x00,
			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe1, 0x32, 0xa3,
			0x49, 0x76, 0x5c, 0x5b, 0x35, 0x9a, 0x93, 0x3c, 0x6f, 0x3c, 0x63, 0x6d, 0xc0, 0x00
		};
		Send(response, 119);
		return;
	}

	// Check for a possible IP ban on this client.
	BAN_STATUS ipb = IPBanner::getSingleton().CalculateBanStatus(GetRemoteAddress());

	switch(ipb)
	{
	case BAN_STATUS_PERMANENT_BAN:
		SendChallengeError(CE_ACCOUNT_CLOSED);
		return;

	case BAN_STATUS_TIME_LEFT_ON_BAN:
		SendChallengeError(CE_ACCOUNT_FREEZED);
		return;

	default:
		break;
	}

	// Null-terminate the account string
	if(m_challenge.I_len >= 0x50) { Disconnect(); return; }
	m_challenge.I[m_challenge.I_len] = 0;
	AccountName = (char*)&m_challenge.I;
	string::size_type i = AccountName.rfind("#");
	if( i != string::npos )
	{
		printf("# ACCOUNTNAME!\n");
//.........这里部分代码省略.........

//.........这里部分代码省略.........
    {
        if (lastPlayerCharactersResult)
        {
            do
            {
                Field* fields = lastPlayerCharactersResult->Fetch();
                Battlenet::RealmHandle realmId{ fields[1].GetUInt8(), fields[2].GetUInt8(), fields[3].GetUInt32() };
                Battlenet::Session::LastPlayedCharacterInfo& lastPlayedCharacter = accountInfo->GameAccounts[fields[0].GetUInt32()]
                    .LastPlayedCharacters[realmId.GetSubRegionAddress()];

                lastPlayedCharacter.RealmId = realmId;
                lastPlayedCharacter.CharacterName = fields[4].GetString();
                lastPlayedCharacter.CharacterGUID = fields[5].GetUInt64();
                lastPlayedCharacter.LastPlayedTime = fields[6].GetUInt32();

            } while (lastPlayerCharactersResult->NextRow());
        }

        _accountInfo = accountInfo;
        Battlenet::Services::Authentication asyncContinuationService(this);
        NoData response;

        std::string ip_address = GetRemoteIpAddress().to_string();

        // If the IP is 'locked', check that the player comes indeed from the correct IP address
        if (_accountInfo->IsLockedToIP)
        {
            TC_LOG_DEBUG("session", "[Session::HandleVerifyWebCredentials] Account '%s' is locked to IP - '%s' is logging in from '%s'",
                _accountInfo->Login.c_str(), _accountInfo->LastIP.c_str(), ip_address.c_str());

            if (_accountInfo->LastIP != ip_address)
            {
                asyncContinuation(&asyncContinuationService, ERROR_RISK_ACCOUNT_LOCKED, &response);
                return;
            }
        }
        else
        {
            TC_LOG_DEBUG("session", "[Session::HandleVerifyWebCredentials] Account '%s' is not locked to ip", _accountInfo->Login.c_str());
            if (_accountInfo->LockCountry.empty() || _accountInfo->LockCountry == "00")
                TC_LOG_DEBUG("session", "[Session::HandleVerifyWebCredentials] Account '%s' is not locked to country", _accountInfo->Login.c_str());
            else if (!_accountInfo->LockCountry.empty() && !_ipCountry.empty())
            {
                TC_LOG_DEBUG("session", "[Session::HandleVerifyWebCredentials] Account '%s' is locked to country: '%s' Player country is '%s'",
                    _accountInfo->Login.c_str(), _accountInfo->LockCountry.c_str(), _ipCountry.c_str());

                if (_ipCountry != _accountInfo->LockCountry)
                {
                    asyncContinuation(&asyncContinuationService, ERROR_RISK_ACCOUNT_LOCKED, &response);
                    return;
                }
            }
        }

        // If the account is banned, reject the logon attempt
        if (_accountInfo->IsBanned)
        {
            if (_accountInfo->IsPermanenetlyBanned)
            {
                TC_LOG_DEBUG("session", "%s [Session::HandleVerifyWebCredentials] Banned account %s tried to login!", GetClientInfo().c_str(), _accountInfo->Login.c_str());
                asyncContinuation(&asyncContinuationService, ERROR_GAME_ACCOUNT_BANNED, &response);
                return;
            }
            else
            {
                TC_LOG_DEBUG("session", "%s [Session::HandleVerifyWebCredentials] Temporarily banned account %s tried to login!", GetClientInfo().c_str(), _accountInfo->Login.c_str());
                asyncContinuation(&asyncContinuationService, ERROR_GAME_ACCOUNT_SUSPENDED, &response);
                return;
            }
        }

        authentication::v1::LogonResult logonResult;
        logonResult.set_error_code(0);
        logonResult.mutable_account_id()->set_low(_accountInfo->Id);
        logonResult.mutable_account_id()->set_high(UI64LIT(0x100000000000000));
        for (auto itr = _accountInfo->GameAccounts.begin(); itr != _accountInfo->GameAccounts.end(); ++itr)
        {
            if (!itr->second.IsBanned)
            {
                EntityId* gameAccountId = logonResult.add_game_account_id();
                gameAccountId->set_low(itr->second.Id);
                gameAccountId->set_high(UI64LIT(0x200000200576F57));
            }
        }

        if (!_ipCountry.empty())
            logonResult.set_geoip_country(_ipCountry);

        BigNumber k;
        k.SetRand(8 * 64);
        logonResult.set_session_key(k.AsByteArray(64).get(), 64);

        _authed = true;

        asyncContinuation(&asyncContinuationService, ERROR_OK, &response);
        Service<authentication::v1::AuthenticationListener>(this).OnLogonComplete(&logonResult);
    }));

    return ERROR_OK;
}

//.........这里部分代码省略.........
        std::string accountCountry = fields[3].GetString();
        if (accountCountry.empty() || accountCountry == "00")
            TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] Account '%s' is not locked to country", _accountName.c_str());
        else if (!accountCountry.empty())
        {
            uint32 ip = inet_addr(ip_address.c_str());
            EndianConvertReverse(ip);

            stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_LOGON_COUNTRY);
            stmt->setUInt32(0, ip);
            if (PreparedQueryResult sessionCountryQuery = LoginDatabase.Query(stmt))
            {
                std::string loginCountry = (*sessionCountryQuery)[0].GetString();
                TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] Account '%s' is locked to country: '%s' Player country is '%s'", _accountName.c_str(), accountCountry.c_str(), loginCountry.c_str());
                if (loginCountry != accountCountry)
                {
                    Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
                    logonResponse->SetAuthResult(AUTH_ACCOUNT_LOCKED);
                    AsyncWrite(logonResponse);
                    return;
                }
            }
        }
    }

    //set expired bans to inactive
    LoginDatabase.DirectExecute(LoginDatabase.GetPreparedStatement(LOGIN_DEL_BNET_EXPIRED_BANS));

    // If the account is banned, reject the logon attempt
    stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_BNET_ACTIVE_ACCOUNT_BAN);
    stmt->setUInt32(0, _accountId);
    PreparedQueryResult banresult = LoginDatabase.Query(stmt);
    if (banresult)
    {
        Field* fields = banresult->Fetch();
        if (fields[0].GetUInt32() == fields[1].GetUInt32())
        {
            Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
            logonResponse->SetAuthResult(LOGIN_BANNED);
            AsyncWrite(logonResponse);
            TC_LOG_DEBUG("session", "'%s:%d' [Battlenet::LogonRequest] Banned account %s tried to login!", ip_address.c_str(), GetRemotePort(), _accountName.c_str());
            return;
        }
        else
        {
            Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
            logonResponse->SetAuthResult(LOGIN_SUSPENDED);
            AsyncWrite(logonResponse);
            TC_LOG_DEBUG("session", "'%s:%d' [Battlenet::LogonRequest] Temporarily banned account %s tried to login!", ip_address.c_str(), GetRemotePort(), _accountName.c_str());
            return;
        }
    }

    SHA256Hash sha;
    sha.UpdateData(_accountName);
    sha.Finalize();

    I.SetBinary(sha.GetDigest(), sha.GetLength());

    ModuleInfo* password = sModuleMgr->CreateModule(_os, "Password");
    ModuleInfo* thumbprint = sModuleMgr->CreateModule(_os, "Thumbprint");

    std::string pStr = fields[0].GetString();

    std::string databaseV = fields[5].GetString();
    std::string databaseS = fields[6].GetString();

    if (databaseV.size() != size_t(BufferSizes::SRP_6_V) * 2 || databaseS.size() != size_t(BufferSizes::SRP_6_S) * 2)
        _SetVSFields(pStr);
    else
    {
        s.SetHexStr(databaseS.c_str());
        v.SetHexStr(databaseV.c_str());
    }

    b.SetRand(128 * 8);
    B = ((v * k) + g.ModExp(b, N)) % N;
    BigNumber unk;
    unk.SetRand(128 * 8);

    BitStream passwordData;
    uint8 state = 0;
    passwordData.WriteBytes(&state, 1);
    passwordData.WriteBytes(I.AsByteArray(32).get(), 32);
    passwordData.WriteBytes(s.AsByteArray(32).get(), 32);
    passwordData.WriteBytes(B.AsByteArray(128).get(), 128);
    passwordData.WriteBytes(unk.AsByteArray(128).get(), 128);

    password->DataSize = passwordData.GetSize();
    password->Data = new uint8[password->DataSize];
    memcpy(password->Data, passwordData.GetBuffer(), password->DataSize);

    _modulesWaitingForData.push(MODULE_PASSWORD);

    Authentication::ProofRequest* proofRequest = new Authentication::ProofRequest();
    proofRequest->Modules.push_back(password);
    // if has authenticator, send Token module
    proofRequest->Modules.push_back(thumbprint);
    AsyncWrite(proofRequest);
}

//.........这里部分代码省略.........
	{
		case BAN_STATUS_PERMANENT_BAN:
			SendChallengeError(CE_ACCOUNT_CLOSED);
			return;

		case BAN_STATUS_TIME_LEFT_ON_BAN:
			SendChallengeError(CE_ACCOUNT_FREEZED);
			return;

		default:
			break;
	}

	// Null-terminate the account string
	if(m_challenge.I_len >= 0x50) { Disconnect(); return; }
	m_challenge.I[m_challenge.I_len] = 0;

	// Clear the shitty hash (for server)
	string AccountName = (char*)&m_challenge.I;
	string::size_type i = AccountName.rfind("#");
	if( i != string::npos )
	{
		printf("# ACCOUNTNAME!\n");
		return;
		//AccountName.erase( i );
	}

	// Look up the account information
	sLog.outDebug("[AuthChallenge] Account Name: \"%s\"", AccountName.c_str());

	m_account = AccountMgr::getSingleton().GetAccount(AccountName);
	if(m_account == 0)
	{
		sLog.outDebug("[AuthChallenge] Invalid account.");

		// Non-existant account
		SendChallengeError(CE_NO_ACCOUNT);
		return;
	}

	sLog.outDebug("[AuthChallenge] Account banned state = %u", m_account->Banned);

	// Check that the account isn't banned.
	if(m_account->Banned == 1)
	{
		SendChallengeError(CE_ACCOUNT_CLOSED);
		return;
	}
	else if(m_account->Banned > 0)
	{
		SendChallengeError(CE_ACCOUNT_FREEZED);
		return;
	}

	// update cached locale
	if(!m_account->forcedLocale)
	{
		char temp[4];
		temp[0] = m_challenge.country[3];
		temp[1] = m_challenge.country[2];
		temp[2] = m_challenge.country[1];
		temp[3] = m_challenge.country[0];

		*(uint32*)&m_account->Locale[0] = *(uint32*)temp;
	}

	Sha1Hash sha;
	//uint32 tc = s.GetNumBytes();
	sha.UpdateData( s.AsByteArray(), 32 );
	sha.UpdateData( m_account->SrpHash, 20 );
	sha.Finalize();

	BigNumber x;
	x.SetBinary( sha.GetDigest(), sha.GetLength() );
	v = g.ModExp(x, N);
	b.SetRand(152);

	BigNumber gmod = g.ModExp(b, N);
	B = ((v * 3) + gmod) % N;
	ASSERT(gmod.GetNumBytes() <= 32);

	BigNumber unk;
	unk.SetRand(128);

	uint8 response[200];
	uint32 c = 0;
	response[c] = 0;										c += 1;
	response[c] = 0;										c += 1;
	response[c] = CE_SUCCESS;								c += 1;
	memcpy(&response[c], B.AsByteArray(), 32);				c += 32;
	response[c] = 1;										c += 1;
	response[c] = g.AsByteArray()[0];						c += 1;
	response[c] = 32;										c += 1;
	memcpy(&response[c], N.AsByteArray(), 32);				c += 32;
	memcpy(&response[c], s.AsByteArray(), s.GetNumBytes()); c += s.GetNumBytes();
	memcpy(&response[c], unk.AsByteArray(), 16);			c += 16;
	response[c] = 0;										c += 1;

	Send(response, c);
}

//.........这里部分代码省略.........
    if(m_challenge.build > LogonServer::getSingleton().max_build ||
        m_challenge.build < LogonServer::getSingleton().min_build)
    {
        SendChallengeError(CE_WRONG_BUILD_NUMBER);
        return;
    }

	// Check for a possible IP ban on this client.
#ifdef WIN32
    BAN_STATUS ipb = IPBanner::getSingleton().CalculateBanStatus(ConnectedPeer.sin_addr.S_un.S_addr);
#else
    BAN_STATUS ipb = IPBanner::getSingleton().CalculateBanStatus(RetreiveClientIP());
#endif

	switch(ipb)
	{
		case BAN_STATUS_PERMANANT_BAN:
			SendChallengeError(CE_ACCOUNT_CLOSED);
			return;

        case BAN_STATUS_TIME_LEFT_ON_BAN:
			SendChallengeError(CE_ACCOUNT_FREEZED);
			return;
    }

	// Null-terminate the account string
	m_challenge.I[m_challenge.I_len] = 0;

	// Look up the account information
	string AccountName = (char*)&m_challenge.I;
    sLog.outDebug("[AuthChallenge] Account Name: \"%s\"", AccountName.c_str());

    m_account = AccountMgr::getSingleton().GetAccount(AccountName);
	if(m_account == 0)
	{
        sLog.outDebug("[AuthChallenge] Invalid account.");

		// Non-existant account
		SendChallengeError(CE_NO_ACCOUNT);
		return;
	}

    sLog.outDebug("[AuthChallenge] Account banned state = %u", m_account->Banned);

    // Don't update when IP banned, but update anyway if it's an account ban
    AccountMgr::getSingleton().UpdateAccountLastIP(m_account->AccountId, RetreiveClientIP());

	// Check that the account isn't banned.
	if(m_account->Banned == 1)
	{
		SendChallengeError(CE_ACCOUNT_CLOSED);
		return;
	}
	else if(m_account->Banned > 0)
	{
		SendChallengeError(CE_ACCOUNT_FREEZED);
		return;
	}

	// We've passed all initial tests if we're here, lets build the response packet.
	Sha1Hash I;
	I.UpdateData((m_account->Username + ":" + m_account->Password));
	I.Finalize();

    sLog.outDebug("[AuthChallenge] UserPass hash: %X", I.GetDigest());

	Sha1Hash sha;
	uint32 tc = s.GetNumBytes();
	sha.UpdateData( s.AsByteArray(), 32 );
	sha.UpdateData( I.GetDigest(), 20 );
	sha.Finalize();

	BigNumber x;
	x.SetBinary( sha.GetDigest(), sha.GetLength() );
	v = g.ModExp(x, N);
	b.SetRand(152);

	BigNumber gmod = g.ModExp(b, N);
	B = ((v * 3) + gmod) % N;
	ASSERT(gmod.GetNumBytes() <= 32);

	BigNumber unk;
	unk.SetRand(128);

	uint8 response[200];
	uint32 c = 0;
	response[c] = 0;								        c += 1;
	response[c] = 0;								        c += 1;
	response[c] = CE_SUCCESS;						        c += 1;
	memcpy(&response[c], B.AsByteArray(), 32);		        c += 32;
	response[c] = 1;								        c += 1;
	response[c] = g.AsByteArray()[0];				        c += 1;
	response[c] = 32;								        c += 1;
	memcpy(&response[c], N.AsByteArray(), 32);		        c += 32;
	memcpy(&response[c], s.AsByteArray(), s.GetNumBytes()); c += s.GetNumBytes();
    memcpy(&response[c], unk.AsByteArray(), 16);            c += 16;
    response[c] = 0;                                        c += 1;

    SendArray(response, c, FALSE);
}

int32 LoginRESTService::HandlePost(soap* soapClient)
{
    boost::asio::ip::address_v4 address(soapClient->ip);
    std::string ip_address = address.to_string();

    TC_LOG_DEBUG("server.rest", "[%s:%d] Handling POST request path=\"%s\"", ip_address.c_str(), soapClient->port, soapClient->path);

    static std::string const expectedPath = "/bnetserver/login/";
    if (strstr(soapClient->path, expectedPath.c_str()) != &soapClient->path[0])
        return 404;

    char *buf;
    size_t len;
    soap_http_body(soapClient, &buf, &len);

    Battlenet::JSON::Login::LoginForm loginForm;
    Battlenet::JSON::Login::LoginResult loginResult;
    if (!JSON::Deserialize(buf, &loginForm))
    {
        if (soap_register_plugin_arg(soapClient, &ResponseCodePlugin::Init, nullptr) != SOAP_OK)
            return 500;

        ResponseCodePlugin* responseCode = reinterpret_cast<ResponseCodePlugin*>(soap_lookup_plugin(soapClient, ResponseCodePlugin::PluginId));
        ASSERT(responseCode);

        responseCode->ErrorCode = 400;

        loginResult.set_authentication_state(Battlenet::JSON::Login::LOGIN);
        loginResult.set_error_code("UNABLE_TO_DECODE");
        loginResult.set_error_message("There was an internal error while connecting to Battle.net. Please try again later.");
        return SendResponse(soapClient, loginResult);
    }

    std::string login;
    std::string password;

    for (int32 i = 0; i < loginForm.inputs_size(); ++i)
    {
        if (loginForm.inputs(i).input_id() == "account_name")
            login = loginForm.inputs(i).value();
        else if (loginForm.inputs(i).input_id() == "password")
            password = loginForm.inputs(i).value();
    }

    Utf8ToUpperOnlyLatin(login);
    Utf8ToUpperOnlyLatin(password);

    PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_BNET_ACCOUNT_INFO);
    stmt->setString(0, login);

    if (PreparedQueryResult result = LoginDatabase.Query(stmt))
    {
        std::string pass_hash = result->Fetch()[13].GetString();

        std::unique_ptr<Battlenet::Session::AccountInfo> accountInfo = Trinity::make_unique<Battlenet::Session::AccountInfo>();
        accountInfo->LoadResult(result);

        if (CalculateShaPassHash(login, std::move(password)) == pass_hash)
        {
            stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_BNET_CHARACTER_COUNTS_BY_BNET_ID);
            stmt->setUInt32(0, accountInfo->Id);
            if (PreparedQueryResult characterCountsResult = LoginDatabase.Query(stmt))
            {
                do
                {
                    Field* fields = characterCountsResult->Fetch();
                    accountInfo->GameAccounts[fields[0].GetUInt32()]
                        .CharacterCounts[Battlenet::RealmHandle{ fields[3].GetUInt8(), fields[4].GetUInt8(), fields[2].GetUInt32() }.GetAddress()] = fields[1].GetUInt8();

                } while (characterCountsResult->NextRow());
            }

            stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_BNET_LAST_PLAYER_CHARACTERS);
            stmt->setUInt32(0, accountInfo->Id);
            if (PreparedQueryResult lastPlayerCharactersResult = LoginDatabase.Query(stmt))
            {
                Field* fields = lastPlayerCharactersResult->Fetch();
                Battlenet::RealmHandle realmId{ fields[1].GetUInt8(), fields[2].GetUInt8(), fields[3].GetUInt32() };
                Battlenet::Session::LastPlayedCharacterInfo& lastPlayedCharacter = accountInfo->GameAccounts[fields[0].GetUInt32()]
                    .LastPlayedCharacters[realmId.GetSubRegionAddress()];

                lastPlayedCharacter.RealmId = realmId;
                lastPlayedCharacter.CharacterName = fields[4].GetString();
                lastPlayedCharacter.CharacterGUID = fields[5].GetUInt64();
                lastPlayedCharacter.LastPlayedTime = fields[6].GetUInt32();
            }

            BigNumber ticket;
            ticket.SetRand(20 * 8);

            loginResult.set_login_ticket("TC-" + ByteArrayToHexStr(ticket.AsByteArray(20).get(), 20));

            AddLoginTicket(loginResult.login_ticket(), std::move(accountInfo));
        }
        else if (!accountInfo->IsBanned)
        {
            uint32 maxWrongPassword = uint32(sConfigMgr->GetIntDefault("WrongPass.MaxCount", 0));

            if (sConfigMgr->GetBoolDefault("WrongPass.Logging", false))
                TC_LOG_DEBUG("server.rest", "[%s, Account %s, Id %u] Attempted to connect with wrong password!", ip_address.c_str(), login.c_str(), accountInfo->Id);
//.........这里部分代码省略.........

int main(int argc, char** argv)
{
    signal(SIGABRT, &Trinity::AbortHandler);

    auto configFile = fs::absolute(_TRINITY_BNET_CONFIG);
    std::string configService;
    auto vm = GetConsoleArguments(argc, argv, configFile, configService);
    // exit if help or version is enabled
    if (vm.count("help") || vm.count("version"))
        return 0;

    GOOGLE_PROTOBUF_VERIFY_VERSION;

#if TRINITY_PLATFORM == TRINITY_PLATFORM_WINDOWS
    if (configService.compare("install") == 0)
        return WinServiceInstall() ? 0 : 1;
    else if (configService.compare("uninstall") == 0)
        return WinServiceUninstall() ? 0 : 1;
    else if (configService.compare("run") == 0)
        return WinServiceRun() ? 0 : 1;
#endif

    std::string configError;
    if (!sConfigMgr->LoadInitial(configFile.generic_string(),
                                 std::vector<std::string>(argv, argv + argc),
                                 configError))
    {
        printf("Error in config file: %s\n", configError.c_str());
        return 1;
    }

    sLog->RegisterAppender<AppenderDB>();
    sLog->Initialize(nullptr);

    Trinity::Banner::Show("bnetserver",
        [](char const* text)
        {
            TC_LOG_INFO("server.bnetserver", "%s", text);
        },
            []()
        {
            TC_LOG_INFO("server.bnetserver", "Using configuration file %s.", sConfigMgr->GetFilename().c_str());
            TC_LOG_INFO("server.bnetserver", "Using SSL version: %s (library: %s)", OPENSSL_VERSION_TEXT, SSLeay_version(SSLEAY_VERSION));
            TC_LOG_INFO("server.bnetserver", "Using Boost version: %i.%i.%i", BOOST_VERSION / 100000, BOOST_VERSION / 100 % 1000, BOOST_VERSION % 100);
        }
    );

    // Seed the OpenSSL's PRNG here.
    // That way it won't auto-seed when calling BigNumber::SetRand and slow down the first world login
    BigNumber seed;
    seed.SetRand(16 * 8);

    // bnetserver PID file creation
    std::string pidFile = sConfigMgr->GetStringDefault("PidFile", "");
    if (!pidFile.empty())
    {
        if (uint32 pid = CreatePIDFile(pidFile))
            TC_LOG_INFO("server.bnetserver", "Daemon PID: %u\n", pid);
        else
        {
            TC_LOG_ERROR("server.bnetserver", "Cannot create PID file %s.\n", pidFile.c_str());
            return 1;
        }
    }

    if (!Battlenet::SslContext::Initialize())
    {
        TC_LOG_ERROR("server.bnetserver", "Failed to initialize SSL context");
        return 1;
    }

    // Initialize the database connection
    if (!StartDB())
        return 1;

    _ioService = new boost::asio::io_service();

    // Start the listening port (acceptor) for auth connections
    int32 bnport = sConfigMgr->GetIntDefault("BattlenetPort", 1119);
    if (bnport < 0 || bnport > 0xFFFF)
    {
        TC_LOG_ERROR("server.bnetserver", "Specified battle.net port (%d) out of allowed range (1-65535)", bnport);
        StopDB();
        delete _ioService;
        return 1;
    }

    if (!sLoginService.Start(*_ioService))
    {
        StopDB();
        delete _ioService;
        TC_LOG_ERROR("server.bnetserver", "Failed to initialize login service");
        return 1;
    }

    // Get the list of realms for the server
    sRealmList->Initialize(*_ioService, sConfigMgr->GetIntDefault("RealmsStateUpdateDelay", 10));

    std::string bindIp = sConfigMgr->GetStringDefault("BindIP", "0.0.0.0");

//.........这里部分代码省略.........

//.........这里部分代码省略.........
		//AccountName.erase( i );
	}

	// Look up the account information
	LOG_DEBUG("[AuthChallenge] Account Name: \"%s\"", AccountName.c_str());

	m_account = AccountMgr::getSingleton().GetAccount(AccountName);
	if(m_account == 0)
	{
		LOG_DEBUG("[AuthChallenge] Invalid account.");

		// Non-existant account
		SendChallengeError(CE_NO_ACCOUNT);
		return;
	}

	LOG_DEBUG("[AuthChallenge] Account banned state = %u", m_account->Banned);

	// Check that the account isn't banned.
	if(m_account->Banned == 1)
	{
		SendChallengeError(CE_ACCOUNT_CLOSED);
		return;
	}
	else if(m_account->Banned > 0)
	{
		SendChallengeError(CE_ACCOUNT_FREEZED);
		return;
	}

	// update cached locale
	if(!m_account->forcedLocale)
	{
		char temp[4];
		temp[0] = m_challenge.country[3];
		temp[1] = m_challenge.country[2];
		temp[2] = m_challenge.country[1];
		temp[3] = m_challenge.country[0];

		*(uint32*)&m_account->Locale[0] = *(uint32*)temp;
	}

	//////////////////////////////////////////////// SRP6 Challenge ////////////////////////////////////////////////
	//
	//
	// First we will generate the Verifier value using the following formulas
	//
	// x = SHA1(s | SHA1(I | ":" | P))
	// v = g^x % N
	//
	// The SHA1(I | ":" | P) part for x we have in the account database, this is the encrypted password, reversed
	// N is a safe prime
	// g is the generator
	// | means concatenation in this contect
	//
	//

	Sha1Hash sha;
	sha.UpdateData( s.AsByteArray(), 32 );
	sha.UpdateData( m_account->SrpHash, 20 );
	sha.Finalize();

	BigNumber x;
	x.SetBinary( sha.GetDigest(), sha.GetLength() );
	v = g.ModExp(x, N);

	// Next we generate b, and B which are the public and private values of the server
	// 
	// b = random()
	// B = k*v + g^b % N
	//
	// in our case the multiplier parameters, k = 3
	
	b.SetRand(152);
	uint8 k = 3;

	BigNumber gmod = g.ModExp(b, N);
	B = ( ( v * k ) + gmod ) % N;
	ASSERT(gmod.GetNumBytes() <= 32);

	BigNumber unk;
	unk.SetRand(128);


	// Now we send B, g, N and s to the client as a challenge, asking the client for the proof
	sAuthLogonChallenge_S challenge;
	challenge.cmd = 0;
	challenge.error = 0;
	challenge.unk2 = CE_SUCCESS;
	memcpy( challenge.B, B.AsByteArray(), 32 );
	challenge.g_len = 1;
	challenge.g = ( g.AsByteArray() )[ 0 ];
	challenge.N_len = 32;
	memcpy( challenge.N, N.AsByteArray(), 32 );
	memcpy( challenge.s, s.AsByteArray(), 32 );
	memcpy( challenge.unk3, unk.AsByteArray(), 16 );
	challenge.unk4 = 0;

	Send( reinterpret_cast< uint8* >( &challenge ), sizeof( sAuthLogonChallenge_S ) );
}

/// Launch the Trinity server
extern int main(int argc, char** argv)
{
    signal(SIGABRT, &Trinity::AbortHandler);

    auto configFile = fs::absolute(_TRINITY_CORE_CONFIG);
    std::string configService;

    auto vm = GetConsoleArguments(argc, argv, configFile, configService);
    // exit if help or version is enabled
    if (vm.count("help") || vm.count("version"))
        return 0;

    GOOGLE_PROTOBUF_VERIFY_VERSION;

#ifdef _WIN32
    if (configService.compare("install") == 0)
        return WinServiceInstall() ? 0 : 1;
    else if (configService.compare("uninstall") == 0)
        return WinServiceUninstall() ? 0 : 1;
    else if (configService.compare("run") == 0)
        return WinServiceRun() ? 0 : 0;
#endif

    std::string configError;
    if (!sConfigMgr->LoadInitial(configFile.generic_string(),
                                 std::vector<std::string>(argv, argv + argc),
                                 configError))
    {
        printf("Error in config file: %s\n", configError.c_str());
        return 1;
    }

    sLog->RegisterAppender<AppenderDB>();
    // If logs are supposed to be handled async then we need to pass the io_service into the Log singleton
    sLog->Initialize(sConfigMgr->GetBoolDefault("Log.Async.Enable", false) ? &_ioService : nullptr);

    Trinity::Banner::Show("worldserver-daemon",
        [](char const* text)
        {
            TC_LOG_INFO("server.worldserver", "%s", text);
        },
        []()
        {
            TC_LOG_INFO("server.worldserver", "Using configuration file %s.", sConfigMgr->GetFilename().c_str());
            TC_LOG_INFO("server.worldserver", "Using SSL version: %s (library: %s)", OPENSSL_VERSION_TEXT, SSLeay_version(SSLEAY_VERSION));
            TC_LOG_INFO("server.worldserver", "Using Boost version: %i.%i.%i", BOOST_VERSION / 100000, BOOST_VERSION / 100 % 1000, BOOST_VERSION % 100);
        }
    );

    OpenSSLCrypto::threadsSetup();

    // Seed the OpenSSL's PRNG here.
    // That way it won't auto-seed when calling BigNumber::SetRand and slow down the first world login
    BigNumber seed;
    seed.SetRand(16 * 8);

    /// worldserver PID file creation
    std::string pidFile = sConfigMgr->GetStringDefault("PidFile", "");
    if (!pidFile.empty())
    {
        if (uint32 pid = CreatePIDFile(pidFile))
            TC_LOG_INFO("server.worldserver", "Daemon PID: %u\n", pid);
        else
        {
            TC_LOG_ERROR("server.worldserver", "Cannot create PID file %s.\n", pidFile.c_str());
            return 1;
        }
    }

    // Set signal handlers (this must be done before starting io_service threads, because otherwise they would unblock and exit)
    boost::asio::signal_set signals(_ioService, SIGINT, SIGTERM);
#if PLATFORM == PLATFORM_WINDOWS
    signals.add(SIGBREAK);
#endif
    signals.async_wait(SignalHandler);

    // Start the Boost based thread pool
    int numThreads = sConfigMgr->GetIntDefault("ThreadPool", 1);
    std::vector<std::thread> threadPool;

    if (numThreads < 1)
        numThreads = 1;

    for (int i = 0; i < numThreads; ++i)
        threadPool.push_back(std::thread(boost::bind(&boost::asio::io_service::run, &_ioService)));

    // Set process priority according to configuration settings
    SetProcessPriority("server.worldserver");

    // Start the databases
    if (!StartDB())
    {
        ShutdownThreadPool(threadPool);
        return 1;
    }

    // Set server offline (not connectable)
    LoginDatabase.DirectPExecute("UPDATE realmlist SET flag = flag | %u WHERE id = '%d'", REALM_FLAG_OFFLINE, realm.Id.Realm);

//.........这里部分代码省略.........