예제 #1
0
std::string LoginRESTService::CalculateShaPassHash(std::string const& name, std::string const& password)
{
    SHA256Hash email;
    email.UpdateData(name);
    email.Finalize();

    SHA256Hash sha;
    sha.UpdateData(ByteArrayToHexStr(email.GetDigest(), email.GetLength()));
    sha.UpdateData(":");
    sha.UpdateData(password);
    sha.Finalize();

    return ByteArrayToHexStr(sha.GetDigest(), sha.GetLength(), true);
}
예제 #2
0
void Battlenet::Session::_SetVSFields(std::string const& pstr)
{
    s.SetRand(uint32(BufferSizes::SRP_6_S) * 8);

    BigNumber p;
    p.SetHexStr(pstr.c_str());

    SHA256Hash sha;
    sha.UpdateBigNumbers(&s, &p, NULL);
    sha.Finalize();
    BigNumber x;
    x.SetBinary(sha.GetDigest(), sha.GetLength());
    v = g.ModExp(x, N);

    PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_UPD_BNET_VS_FIELDS);
    stmt->setString(0, v.AsHexStr());
    stmt->setString(1, s.AsHexStr());
    stmt->setString(2, _accountInfo->Login);

    LoginDatabase.Execute(stmt);
}
예제 #3
0
Battlenet::Session::Session(tcp::socket&& socket) : Socket(std::move(socket)), _accountInfo(new AccountInfo()), _gameAccountInfo(nullptr), _locale(),
    _os(), _build(0), _ipCountry(), I(), s(), v(), b(), B(), K(),
    _reconnectProof(), _crypt(), _authed(false), _subscribedToRealmListUpdates(false)
{
    static uint8 const N_Bytes[] =
    {
        0xAB, 0x24, 0x43, 0x63, 0xA9, 0xC2, 0xA6, 0xC3, 0x3B, 0x37, 0xE4, 0x61, 0x84, 0x25, 0x9F, 0x8B,
        0x3F, 0xCB, 0x8A, 0x85, 0x27, 0xFC, 0x3D, 0x87, 0xBE, 0xA0, 0x54, 0xD2, 0x38, 0x5D, 0x12, 0xB7,
        0x61, 0x44, 0x2E, 0x83, 0xFA, 0xC2, 0x21, 0xD9, 0x10, 0x9F, 0xC1, 0x9F, 0xEA, 0x50, 0xE3, 0x09,
        0xA6, 0xE5, 0x5E, 0x23, 0xA7, 0x77, 0xEB, 0x00, 0xC7, 0xBA, 0xBF, 0xF8, 0x55, 0x8A, 0x0E, 0x80,
        0x2B, 0x14, 0x1A, 0xA2, 0xD4, 0x43, 0xA9, 0xD4, 0xAF, 0xAD, 0xB5, 0xE1, 0xF5, 0xAC, 0xA6, 0x13,
        0x1C, 0x69, 0x78, 0x64, 0x0B, 0x7B, 0xAF, 0x9C, 0xC5, 0x50, 0x31, 0x8A, 0x23, 0x08, 0x01, 0xA1,
        0xF5, 0xFE, 0x31, 0x32, 0x7F, 0xE2, 0x05, 0x82, 0xD6, 0x0B, 0xED, 0x4D, 0x55, 0x32, 0x41, 0x94,
        0x29, 0x6F, 0x55, 0x7D, 0xE3, 0x0F, 0x77, 0x19, 0xE5, 0x6C, 0x30, 0xEB, 0xDE, 0xF6, 0xA7, 0x86
    };

    N.SetBinary(N_Bytes, sizeof(N_Bytes));
    g.SetDword(2);

    SHA256Hash sha;
    sha.UpdateBigNumbers(&N, &g, NULL);
    sha.Finalize();
    k.SetBinary(sha.GetDigest(), sha.GetLength());
}
예제 #4
0
bool Battlenet::Session::HandlePasswordModule(BitStream* dataStream, ServerPacket** response)
{
    if (dataStream->GetSize() != 1 + 128 + 32 + 128)
    {
        Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
        logonResponse->SetAuthResult(AUTH_CORRUPTED_MODULE);
        ReplaceResponse(response, logonResponse);
        return false;
    }

    if (dataStream->Read<uint8>(8) != 2)                // State
    {
        Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
        logonResponse->SetAuthResult(AUTH_CORRUPTED_MODULE);
        ReplaceResponse(response, logonResponse);
        return false;
    }

    BigNumber A, clientM1, clientChallenge;
    A.SetBinary(dataStream->ReadBytes(128).get(), 128);
    clientM1.SetBinary(dataStream->ReadBytes(32).get(), 32);
    clientChallenge.SetBinary(dataStream->ReadBytes(128).get(), 128);

    if (A.isZero())
    {
        Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
        logonResponse->SetAuthResult(AUTH_CORRUPTED_MODULE);
        ReplaceResponse(response, logonResponse);
        return false;
    }

    SHA256Hash sha;
    sha.UpdateBigNumbers(&A, &B, NULL);
    sha.Finalize();

    BigNumber u;
    u.SetBinary(sha.GetDigest(), sha.GetLength());

    BigNumber S = ((A * v.ModExp(u, N)) % N).ModExp(b, N);

    uint8 S_bytes[128];
    memcpy(S_bytes, S.AsByteArray(128).get(), 128);

    uint8 part1[64];
    uint8 part2[64];

    for (int i = 0; i < 64; ++i)
    {
        part1[i] = S_bytes[i * 2];
        part2[i] = S_bytes[i * 2 + 1];
    }

    SHA256Hash part1sha, part2sha;
    part1sha.UpdateData(part1, 64);
    part1sha.Finalize();
    part2sha.UpdateData(part2, 64);
    part2sha.Finalize();

    uint8 sessionKey[SHA256_DIGEST_LENGTH * 2];
    for (int i = 0; i < SHA256_DIGEST_LENGTH; ++i)
    {
        sessionKey[i * 2] = part1sha.GetDigest()[i];
        sessionKey[i * 2 + 1] = part2sha.GetDigest()[i];
    }

    K.SetBinary(sessionKey, SHA256_DIGEST_LENGTH * 2);

    BigNumber M1;

    uint8 hash[SHA256_DIGEST_LENGTH];
    sha.Initialize();
    sha.UpdateBigNumbers(&N, NULL);
    sha.Finalize();
    memcpy(hash, sha.GetDigest(), sha.GetLength());

    sha.Initialize();
    sha.UpdateBigNumbers(&g, NULL);
    sha.Finalize();

    for (int i = 0; i < sha.GetLength(); ++i)
        hash[i] ^= sha.GetDigest()[i];

    SHA256Hash shaI;
    shaI.UpdateData(ByteArrayToHexStr(I.AsByteArray().get(), 32));
    shaI.Finalize();

    // Concat all variables for M1 hash
    sha.Initialize();
    sha.UpdateData(hash, SHA256_DIGEST_LENGTH);
    sha.UpdateData(shaI.GetDigest(), shaI.GetLength());
    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;
}
예제 #5
0
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);

    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);
}
예제 #6
0
void Battlenet::Session::HandleLogonRequest(Authentication::LogonRequest3 const& logonRequest)
{
    // Verify that this IP is not in the ip_banned table
    LoginDatabase.Execute(LoginDatabase.GetPreparedStatement(LOGIN_DEL_EXPIRED_IP_BANS));

    std::string ip_address = GetRemoteIpAddress().to_string();
    PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_IP_BANNED);
    stmt->setString(0, ip_address);
    if (PreparedQueryResult result = LoginDatabase.Query(stmt))
    {
        Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
        logonResponse->SetAuthResult(LOGIN_BANNED);
        AsyncWrite(logonResponse);
        TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] Banned ip '%s:%d' tries to login!", ip_address.c_str(), GetRemotePort());
        return;
    }

    if (logonRequest.Program != "WoW")
    {
        Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
        logonResponse->SetAuthResult(AUTH_INVALID_PROGRAM);
        AsyncWrite(logonResponse);
        TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] %s attempted to log in with game other than WoW (using %s)!", GetClientInfo().c_str(), logonRequest.Program.c_str());
        return;
    }

    if (!sComponentMgr->HasPlatform(logonRequest.Platform))
    {
        Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
        logonResponse->SetAuthResult(AUTH_INVALID_OS);
        AsyncWrite(logonResponse);
        TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] %s attempted to log in from an unsupported platform (using %s)!", GetClientInfo().c_str(), logonRequest.Platform.c_str());
        return;
    }

    if (!sComponentMgr->HasPlatform(logonRequest.Locale))
    {
        Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
        logonResponse->SetAuthResult(AUTH_UNSUPPORTED_LANGUAGE);
        AsyncWrite(logonResponse);
        TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] %s attempted to log in with unsupported locale (using %s)!", GetClientInfo().c_str(), logonRequest.Locale.c_str());
        return;
    }

    for (Component const& component : logonRequest.Components)
    {
        if (!sComponentMgr->HasComponent(&component))
        {
            Authentication::LogonResponse* logonResponse = new Authentication::LogonResponse();
            if (!sComponentMgr->HasProgram(component.Program))
            {
                logonResponse->SetAuthResult(AUTH_INVALID_PROGRAM);
                TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] %s is using unsupported component program %s!", GetClientInfo().c_str(), component.Program.c_str());
            }
            else if (!sComponentMgr->HasPlatform(component.Platform))
            {
                logonResponse->SetAuthResult(AUTH_INVALID_OS);
                TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] %s is using unsupported component platform %s!", GetClientInfo().c_str(), component.Platform.c_str());
            }
            else
            {
                if (component.Program != "WoW" || AuthHelper::IsBuildSupportingBattlenet(component.Build))
                    logonResponse->SetAuthResult(AUTH_REGION_BAD_VERSION);
                else
                    logonResponse->SetAuthResult(AUTH_USE_GRUNT_LOGON);

                TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] %s is using unsupported component version %u!", GetClientInfo().c_str(), component.Build);
            }

            AsyncWrite(logonResponse);
            return;
        }

        if (component.Platform == "base")
            _build = component.Build;
    }

    _accountName = logonRequest.Login;
    _locale = logonRequest.Locale;
    _os = logonRequest.Platform;

    Utf8ToUpperOnlyLatin(_accountName);
    stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_BNET_ACCOUNT_INFO);
    stmt->setString(0, _accountName);

    PreparedQueryResult result = LoginDatabase.Query(stmt);
    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();

    _accountId = fields[1].GetUInt32();

    // If the IP is 'locked', check that the player comes indeed from the correct IP address
    if (fields[2].GetUInt8() == 1)                  // if ip is locked
    {
        TC_LOG_DEBUG("session", "[Battlenet::LogonRequest] Account '%s' is locked to IP - '%s' is logging in from '%s'", _accountName.c_str(), fields[4].GetCString(), ip_address.c_str());

        if (strcmp(fields[4].GetCString(), ip_address.c_str()) != 0)
        {
            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", _accountName.c_str());
        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);
}