1 files changed, 707 insertions, 55 deletions

diff --git a/src/server/authserver/Server/BattlenetSocket.cpp b/src/server/authserver/Server/BattlenetSocket.cpp
index edd73080270..65e12aa602d 100644
--- a/src/server/authserver/Server/BattlenetSocket.cpp
+++ b/src/server/authserver/Server/BattlenetSocket.cpp
@@ -18,15 +18,134 @@
 #include "AuthCodes.h"
 #include "BattlenetBitStream.h"
 #include "BattlenetSocket.h"
+#include "Database/DatabaseEnv.h"
+#include "HmacHash.h"
+#include "Log.h"
+#include "RealmList.h"
+#include "SHA256.h"
 #include <map>
 
+uint32 const Battlenet::Socket::SRP6_V_Size = 128;
+uint32 const Battlenet::Socket::SRP6_S_Size = 32;
+
+std::map<Battlenet::PacketHeader, Battlenet::Socket::PacketHandler> InitHandlers()
+{
+    std::map<Battlenet::PacketHeader, Battlenet::Socket::PacketHandler> handlers;
+
+    handlers[Battlenet::PacketHeader(Battlenet::CMSG_AUTH_CHALLENGE, Battlenet::AUTHENTICATION)] = &Battlenet::Socket::HandleAuthChallenge;
+    handlers[Battlenet::PacketHeader(Battlenet::CMSG_AUTH_CHALLENGE_NEW, Battlenet::AUTHENTICATION)] = &Battlenet::Socket::HandleAuthChallenge;
+    handlers[Battlenet::PacketHeader(Battlenet::CMSG_AUTH_PROOF_RESPONSE, Battlenet::AUTHENTICATION)] = &Battlenet::Socket::HandleAuthProofResponse;
+
+    handlers[Battlenet::PacketHeader(Battlenet::CMSG_PING, Battlenet::CREEP)] = &Battlenet::Socket::HandlePing;
+    handlers[Battlenet::PacketHeader(Battlenet::CMSG_ENABLE_ENCRYPTION, Battlenet::CREEP)] = &Battlenet::Socket::HandleEnableEncryption;
+
+    handlers[Battlenet::PacketHeader(Battlenet::CMSG_REALM_UPDATE, Battlenet::WOW)] = &Battlenet::Socket::HandleRealmUpdate;
+    handlers[Battlenet::PacketHeader(Battlenet::CMSG_JOIN_REQUEST, Battlenet::WOW)] = &Battlenet::Socket::HandleRealmJoinRequest;
+
+    return handlers;
+}
+
+std::map<Battlenet::PacketHeader, Battlenet::Socket::PacketHandler> Handlers = InitHandlers();
+
+Battlenet::Socket::ModuleHandler const Battlenet::Socket::ModuleHandlers[MODULE_COUNT] =
+{
+    &Battlenet::Socket::HandlePasswordModule,
+    &Battlenet::Socket::UnhandledModule,
+    &Battlenet::Socket::UnhandledModule,
+    &Battlenet::Socket::HandleSelectGameAccountModule,
+    &Battlenet::Socket::HandleRiskFingerprintModule,
+};
+
+Battlenet::Socket::Socket(RealmSocket& socket) : _socket(socket), _accountId(0), _accountName(), _locale(),
+    _os(), _build(0), _gameAccountId(0), _accountSecurityLevel(SEC_PLAYER)
+{
+    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());
+}
+
+void Battlenet::Socket::_SetVSFields(std::string const& pstr)
+{
+    s.SetRand(SRP6_S_Size * 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);
+
+    char* v_hex = v.AsHexStr();
+    char* s_hex = s.AsHexStr();
+
+    LoginDatabase.PExecute("UPDATE battlenet_accounts SET s = '%s', v = '%s' WHERE email ='%s'", s_hex, v_hex, _accountName.c_str());
+
+    OPENSSL_free(v_hex);
+    OPENSSL_free(s_hex);
+}
+
+ACE_INET_Addr const& Battlenet::Socket::GetAddressForClient(Realm const& realm, ACE_INET_Addr const& clientAddr)
+{
+    // Attempt to send best address for client
+    if (clientAddr.is_loopback())
+    {
+        // Try guessing if realm is also connected locally
+        if (realm.LocalAddress.is_loopback() || realm.ExternalAddress.is_loopback())
+            return clientAddr;
+
+        // Assume that user connecting from the machine that authserver is located on
+        // has all realms available in his local network
+        return realm.LocalAddress;
+    }
+
+    // Check if connecting client is in the same network
+    if (IsIPAddrInNetwork(realm.LocalAddress, clientAddr, realm.LocalSubnetMask))
+        return realm.LocalAddress;
+
+    // Return external IP
+    return realm.ExternalAddress;
+}
+
 bool Battlenet::Socket::HandleAuthChallenge(PacketHeader& header, BitStream& packet)
 {
+
+    // Verify that this IP is not in the ip_banned table
+    LoginDatabase.Execute(LoginDatabase.GetPreparedStatement(LOGIN_DEL_EXPIRED_IP_BANS));
+
+    std::string const& ip_address = _socket.getRemoteAddress();
+    PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_IP_BANNED);
+    stmt->setString(0, ip_address);
+    if (PreparedQueryResult result = LoginDatabase.Query(stmt))
+    {
+        AuthComplete complete;
+        complete.SetAuthResult(LOGIN_BANNED);
+        Send(complete);
+        TC_LOG_DEBUG("server.battlenet", "[Battlenet::AuthChallenge] Banned ip '%s:%d' tries to login!", _socket.getRemoteAddress().c_str(), _socket.getRemotePort());
+        return true;
+    }
+
     AuthChallenge info(header, packet);
     info.Read();
 
-    printf("%s\n", info.ToString().c_str());
-
     if (info.Program != "WoW")
     {
         AuthComplete complete;
@@ -66,109 +185,642 @@ bool Battlenet::Socket::HandleAuthChallenge(PacketHeader& header, BitStream& pac
             Send(complete);
             return true;
         }
+
+        if (component.Platform == "base")
+            _build = component.Build;
     }
 
     _accountName = info.Login;
     _locale = info.Locale;
     _os = info.Platform;
 
+    Utf8ToUpperOnlyLatin(_accountName);
+    LoginDatabase.EscapeString(_accountName);
+    //                                                            0   1       2             3        4  5  6
+    QueryResult result = LoginDatabase.PQuery("SELECT sha_pass_hash, id, locked, lock_country, last_ip, v, s FROM battlenet_accounts WHERE email = '%s'", _accountName.c_str());
+    if (!result)
+    {
+        AuthComplete complete;
+        complete.SetAuthResult(AUTH_UNKNOWN_ACCOUNT);
+        Send(complete);
+        return true;
+    }
+
+    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("server.battlenet", "[Battlenet::AuthChallenge] 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)
+        {
+            AuthComplete complete;
+            complete.SetAuthResult(AUTH_ACCOUNT_LOCKED);
+            Send(complete);
+            return true;
+        }
+    }
+    else
+    {
+        TC_LOG_DEBUG("server.battlenet", "[Battlenet::AuthChallenge] Account '%s' is not locked to ip", _accountName.c_str());
+        std::string accountCountry = fields[3].GetString();
+        if (accountCountry.empty() || accountCountry == "00")
+            TC_LOG_DEBUG("server.battlenet", "[Battlenet::AuthChallenge] 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("server.battlenet", "[Battlenet::AuthChallenge] Account '%s' is locked to country: '%s' Player country is '%s'", _accountName.c_str(), accountCountry.c_str(), loginCountry.c_str());
+                if (loginCountry != accountCountry)
+                {
+                    AuthComplete complete;
+                    complete.SetAuthResult(AUTH_ACCOUNT_LOCKED);
+                    Send(complete);
+                    return true;
+                }
+            }
+        }
+    }
+
+    //set expired bans to inactive
+    LoginDatabase.DirectExecute("UPDATE battlenet_account_bans SET active = 0 WHERE active = 1 AND unbandate <> bandate AND unbandate <= UNIX_TIMESTAMP()");
+
+    // If the account is banned, reject the logon attempt
+    QueryResult banresult = LoginDatabase.PQuery("SELECT bandate, unbandate FROM battlenet_account_bans WHERE id = %u AND active = 1", _accountId);
+    if (banresult)
+    {
+        Field* fields = banresult->Fetch();
+        if (fields[0].GetUInt32() == fields[1].GetUInt32())
+        {
+            AuthComplete complete;
+            complete.SetAuthResult(LOGIN_BANNED);
+            Send(complete);
+            TC_LOG_DEBUG("server.battlenet", "'%s:%d' [Battlenet::AuthChallenge] Banned account %s tried to login!", _socket.getRemoteAddress().c_str(), _socket.getRemotePort(), _accountName.c_str());
+            return true;
+        }
+        else
+        {
+            AuthComplete complete;
+            complete.SetAuthResult(LOGIN_SUSPENDED);
+            Send(complete);
+            TC_LOG_DEBUG("server.battlenet", "'%s:%d' [Battlenet::AuthChallenge] Temporarily banned account %s tried to login!", _socket.getRemoteAddress().c_str(), _socket.getRemotePort(), _accountName.c_str());
+            return true;
+        }
+    }
+
+    SHA256Hash sha;
+    sha.UpdateData(_accountName);
+    sha.Finalize();
+
+    I.SetBinary(sha.GetDigest(), sha.GetLength());
+
+    ModuleInfo* password = new ModuleInfo(*sBattlenetMgr->GetModule({ _os, "Password" }));
+    ModuleInfo* thumbprint = new ModuleInfo(*sBattlenetMgr->GetModule({ _os, "Thumbprint" }));
+
+    std::string pStr = fields[0].GetString();
+
+    std::string databaseV = fields[5].GetString();
+    std::string databaseS = fields[6].GetString();
+
+    if (databaseV.size() != SRP6_V_Size * 2 || databaseS.size() != SRP6_S_Size * 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;
+
+    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(b.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);
+
     ProofRequest request;
+    request.Modules.push_back(password);
+    // if has authenticator, send Token module
+    request.Modules.push_back(thumbprint);
     Send(request);
     return true;
 }
 
 bool Battlenet::Socket::HandleAuthProofResponse(PacketHeader& header, BitStream& packet)
 {
-    ProofResponse response(header, packet);
-    response.Read();
+    ProofResponse proof(header, packet);
+    proof.Read();
 
-    printf("%s\n", response.ToString().c_str());
+    if (_modulesWaitingForData.size() < proof.Modules.size())
+    {
+        AuthComplete complete;
+        complete.SetAuthResult(AUTH_CORRUPTED_MODULE);
+        Send(complete);
+        return true;
+    }
 
-    AuthComplete complete;
-    complete.SetAuthResult(AUTH_USE_GRUNT_LOGON);
-    Send(complete);
+    ServerPacket* response = nullptr;
+    for (size_t i = 0; i < proof.Modules.size(); ++i)
+    {
+        if (!(this->*(ModuleHandlers[_modulesWaitingForData.front()]))(proof.Modules[i], &response))
+            break;
+
+        _modulesWaitingForData.pop();
+    }
+
+    if (!response)
+    {
+        response = new AuthComplete();
+        static_cast<AuthComplete*>(response)->SetAuthResult(AUTH_INTERNAL_ERROR);
+    }
+
+    Send(*response);
+    delete response;
     return true;
 }
 
-std::map<Battlenet::PacketHeader, Battlenet::Socket::PacketHandler> InitHandlers()
+bool Battlenet::Socket::HandlePing(PacketHeader& /*header*/, BitStream& /*packet*/)
 {
-    std::map<Battlenet::PacketHeader, Battlenet::Socket::PacketHandler> handlers;
-
-    handlers[Battlenet::PacketHeader(Battlenet::CMSG_AUTH_CHALLENGE, Battlenet::AUTHENTICATION)] = &Battlenet::Socket::HandleAuthChallenge;
-    handlers[Battlenet::PacketHeader(Battlenet::CMSG_AUTH_CHALLENGE_NEW, Battlenet::AUTHENTICATION)] = &Battlenet::Socket::HandleAuthChallenge;
-    handlers[Battlenet::PacketHeader(Battlenet::CMSG_AUTH_PROOF_RESPONSE, Battlenet::AUTHENTICATION)] = &Battlenet::Socket::HandleAuthProofResponse;
+    Pong pong;
+    Send(pong);
+    return true;
+}
 
-    return handlers;
+bool Battlenet::Socket::HandleEnableEncryption(PacketHeader& /*header*/, BitStream& packet)
+{
+    _crypt.Init(&K);
+    _crypt.DecryptRecv(packet.GetBuffer() + 2, packet.GetSize() - 2);
+    return false;
 }
 
-std::map<Battlenet::PacketHeader, Battlenet::Socket::PacketHandler> Handlers = InitHandlers();
+bool Battlenet::Socket::HandleRealmUpdate(PacketHeader& /*header*/, BitStream& /*packet*/)
+{
+    sRealmList->UpdateIfNeed();
+
+    RealmCharacterCounts counts;
+
+    ACE_INET_Addr clientAddr;
+    _socket.peer().get_remote_addr(clientAddr);
+
+    for (RealmList::RealmMap::const_iterator i = sRealmList->begin(); i != sRealmList->end(); ++i)
+    {
+        Realm const& realm = i->second;
+
+        PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_NUM_CHARS_ON_REALM);
+        stmt->setUInt32(0, realm.m_ID);
+        stmt->setUInt32(1, _gameAccountId);
+
+        if (PreparedQueryResult result = LoginDatabase.Query(stmt))
+            counts.CharacterCounts.push_back({ { realm.Region, realm.Battlegroup, realm.m_ID, 0 }, (*result)[0].GetUInt8() });
+
+        uint32 flag = realm.flag;
+        RealmBuildInfo const* buildInfo = AuthHelper::GetBuildInfo(realm.gamebuild);
+        if (realm.gamebuild != _build)
+        {
+            if (!buildInfo)
+                continue;
+
+            flag |= REALM_FLAG_OFFLINE | REALM_FLAG_SPECIFYBUILD;   // tell the client what build the realm is for
+        }
+
+        if (!buildInfo)
+            flag &= ~REALM_FLAG_SPECIFYBUILD;
+
+        RealmUpdate* update = new RealmUpdate();
+        update->Timezone = realm.timezone;
+        update->Population = realm.populationLevel;
+        update->Lock = (realm.allowedSecurityLevel > _accountSecurityLevel) ? 1 : 0;
+        update->Type = realm.icon;
+        update->Name = realm.name;
+
+        if (flag & REALM_FLAG_SPECIFYBUILD)
+        {
+            std::ostringstream version;
+            version << buildInfo->MajorVersion << '.' << buildInfo->MinorVersion << '.' << buildInfo->BugfixVersion << '.' << buildInfo->HotfixVersion;
+
+            update->Version = version.str();
+            update->Address = GetAddressForClient(realm, clientAddr);
+            update->Build = realm.gamebuild;
+        }
 
-Battlenet::Socket::Socket(RealmSocket& socket) : _socket(socket), _currentChannel(0)
+        update->Flags = flag;
+        update->Region = realm.Region;
+        update->Battlegroup = realm.Battlegroup;
+        update->Index = realm.m_ID;
+
+        counts.RealmData.push_back(update);
+    }
+
+    counts.RealmData.push_back(new RealmUpdateComplete());
+
+    Send(counts);
+    return true;
+}
+
+bool Battlenet::Socket::HandleRealmJoinRequest(PacketHeader& header, BitStream& packet)
 {
+    RealmJoinRequest join(header, packet);
+    join.Read();
+
+    RealmJoinResult result;
+    Realm const* realm = sRealmList->GetRealm(join.Realm);
+    if (!realm)
+    {
+        Send(result);
+        return true;
+    }
+
+    result.ServerSeed = uint32(rand32());
+
+    uint8 sessionKey[40];
+    HmacHash hmac(K.GetNumBytes(), K.AsByteArray().get(), EVP_sha1(), SHA_DIGEST_LENGTH);
+    hmac.UpdateData((uint8*)"WoW\0", 4);
+    hmac.UpdateData((uint8*)&join.ClientSeed, 4);
+    hmac.UpdateData((uint8*)&result.ServerSeed, 4);
+    hmac.Finalize();
+
+    memcpy(sessionKey, hmac.GetDigest(), hmac.GetLength());
+
+    HmacHash hmac2(K.GetNumBytes(), K.AsByteArray().get(), EVP_sha1(), SHA_DIGEST_LENGTH);
+    hmac2.UpdateData((uint8*)"WoW\0", 4);
+    hmac2.UpdateData((uint8*)&result.ServerSeed, 4);
+    hmac2.UpdateData((uint8*)&join.ClientSeed, 4);
+    hmac2.Finalize();
+
+    memcpy(sessionKey + hmac.GetLength(), hmac2.GetDigest(), hmac2.GetLength());
+
+    LoginDatabase.DirectPExecute("UPDATE account SET sessionkey = '%s', last_ip = '%s', last_login = NOW(), locale = %u, failed_logins = 0, os = '%s' WHERE id = %u",
+        ByteArrayToHexStr(sessionKey, 40, true).c_str(), _socket.getRemoteAddress().c_str(), GetLocaleByName(_locale), _os.c_str(), _gameAccountId);
+
+    result.IPv4.push_back(realm->ExternalAddress);
+    if (realm->ExternalAddress != realm->LocalAddress)
+        result.IPv4.push_back(realm->LocalAddress);
+
+    Send(result);
+    return true;
 }
 
 void Battlenet::Socket::OnRead()
 {
-    while (1)
-    {
-        size_t length = _socket.recv_len();
-        if (!length)
-            return;
+    size_t length = _socket.recv_len();
+    if (!length)
+        return;
 
-        BitStream packet(length);
-        if (!_socket.recv((char*)packet.GetBuffer(), length))
-            return;
+    BitStream packet(length);
+    if (!_socket.recv((char*)packet.GetBuffer(), length))
+        return;
 
-        while (!packet.IsRead())
+    _crypt.DecryptRecv(packet.GetBuffer(), length);
+
+    while (!packet.IsRead())
+    {
+        try
         {
-            try
-            {
-                PacketHeader header;
-                header.Opcode = packet.Read<uint32>(6);
-                if (packet.Read<uint32>(1))
-                    _currentChannel = header.Channel = packet.Read<int32>(4);
-                else
-                    header.Channel = _currentChannel;
-
-                printf("Battlenet::Socket::OnRead %s\n", header.ToString().c_str());
-                std::map<PacketHeader, PacketHandler>::const_iterator itr = Handlers.find(header);
-                if (itr != Handlers.end())
-                {
-                    if (!(this->*(itr->second))(header, packet))
-                    {
-                        _socket.shutdown();
-                        return;
-                    }
-                }
-                else
-                    printf("Battlenet::Socket::OnRead Unhandled opcode %s\n", header.ToString().c_str());
+            PacketHeader header;
+            header.Opcode = packet.Read<uint32>(6);
+            if (packet.Read<bool>(1))
+                header.Channel = packet.Read<int32>(4);
 
-                packet.AlignToNextByte();
+            TC_LOG_TRACE("server.battlenet", "Battlenet::Socket::OnRead %s", header.ToString().c_str());
+            std::map<PacketHeader, PacketHandler>::const_iterator itr = Handlers.find(header);
+            if (itr != Handlers.end())
+            {
+                if ((this->*(itr->second))(header, packet))
+                    break;
             }
-            catch (BitStreamPositionException const& e)
+            else
             {
-                printf("Battlenet::Socket::OnRead Exception: %s\n", e.what());
-                _socket.shutdown();
+                TC_LOG_DEBUG("server.battlenet", "Battlenet::Socket::OnRead Unhandled opcode %s", header.ToString().c_str());
                 return;
             }
+
+            packet.AlignToNextByte();
+        }
+        catch (BitStreamPositionException const& e)
+        {
+            TC_LOG_ERROR("server.battlenet", "Battlenet::Socket::OnRead Exception: %s", e.what());
+            _socket.shutdown();
+            return;
         }
     }
 }
 
 void Battlenet::Socket::OnAccept()
 {
-    printf("Battlenet::Socket::OnAccept\n");
+    TC_LOG_TRACE("server.battlenet", "Battlenet::Socket::OnAccept");
 }
 
 void Battlenet::Socket::OnClose()
 {
-    printf("Battlenet::Socket::OnClose\n");
+    TC_LOG_TRACE("server.battlenet", "Battlenet::Socket::OnClose");
 }
 
 void Battlenet::Socket::Send(ServerPacket& packet)
 {
-    printf("Battlenet::Socket::Send %s\n", packet.ToString().c_str());
-
     packet.Write();
+
+    _crypt.EncryptSend(const_cast<uint8*>(packet.GetData()), packet.GetSize());
     _socket.send(reinterpret_cast<char const*>(packet.GetData()), packet.GetSize());
 }
+
+inline void ReplaceResponse(Battlenet::ServerPacket** oldResponse, Battlenet::ServerPacket* newResponse)
+{
+    if (*oldResponse)
+        delete *oldResponse;
+
+    *oldResponse = newResponse;
+}
+
+bool Battlenet::Socket::HandlePasswordModule(BitStream* dataStream, ServerPacket** response)
+{
+    if (dataStream->GetSize() != 1 + 128 + 32 + 128)
+    {
+        AuthComplete* complete = new AuthComplete();
+        complete->SetAuthResult(AUTH_CORRUPTED_MODULE);
+        ReplaceResponse(response, complete);
+        return false;
+    }
+
+    if (dataStream->Read<uint8>(8) != 2)                // State
+    {
+        AuthComplete* complete = new AuthComplete();
+        complete->SetAuthResult(AUTH_CORRUPTED_MODULE);
+        ReplaceResponse(response, complete);
+        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())
+    {
+        AuthComplete* complete = new AuthComplete();
+        complete->SetAuthResult(AUTH_CORRUPTED_MODULE);
+        ReplaceResponse(response, complete);
+        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))
+    {
+        AuthComplete* complete = new AuthComplete();
+        complete->SetAuthResult(AUTH_UNKNOWN_ACCOUNT);
+        ReplaceResponse(response, complete);
+        return false;
+    }
+
+    uint64 numAccounts = 0;
+    QueryResult result = LoginDatabase.PQuery("SELECT a.username, a.id, ab.bandate, ab.unbandate, ab.active FROM account a LEFT JOIN account_banned ab ON a.id = ab.id WHERE battlenet_account = '%u'", _accountId);
+    if (result)
+        numAccounts = result->GetRowCount();
+
+    if (!numAccounts)
+    {
+        AuthComplete* noAccounts = new AuthComplete();
+        noAccounts->SetAuthResult(LOGIN_NO_GAME_ACCOUNT);
+        ReplaceResponse(response, noAccounts);
+        return false;
+    }
+
+    Field* fields = result->Fetch();
+
+    //set expired game account bans to inactive
+    LoginDatabase.DirectExecute(LoginDatabase.GetPreparedStatement(LOGIN_UPD_EXPIRED_ACCOUNT_BANS));
+
+    BigNumber M;
+    sha.Initialize();
+    sha.UpdateBigNumbers(&A, &M1, &K, NULL);
+    sha.Finalize();
+    M.SetBinary(sha.GetDigest(), sha.GetLength());
+
+    BitStream stream;
+    ModuleInfo* password = new ModuleInfo(*sBattlenetMgr->GetModule({ _os, "Password" }));
+    uint8 state = 3;
+
+    stream.WriteBytes(&state, 1);
+    stream.WriteBytes(M.AsByteArray(32).get(), 32);
+    stream.WriteBytes(b.AsByteArray(128).get(), 128);
+
+    password->DataSize = stream.GetSize();
+    password->Data = new uint8[password->DataSize];
+    memcpy(password->Data, stream.GetBuffer(), password->DataSize);
+
+    ProofRequest* request = new ProofRequest();
+    request->Modules.push_back(password);
+    if (numAccounts > 1)
+    {
+        BitStream accounts;
+        state = 0;
+        accounts.WriteBytes(&state, 1);
+        accounts.Write(numAccounts, 8);
+        do
+        {
+            fields = result->Fetch();
+            accounts.Write(2, 8);
+            accounts.WriteString(fields[0].GetString(), 8);
+        } while (result->NextRow());
+
+        ModuleInfo* selectGameAccount = new ModuleInfo(*sBattlenetMgr->GetModule({ _os, "SelectGameAccount" }));
+        selectGameAccount->DataSize = accounts.GetSize();
+        selectGameAccount->Data = new uint8[selectGameAccount->DataSize];
+        memcpy(selectGameAccount->Data, accounts.GetBuffer(), selectGameAccount->DataSize);
+        request->Modules.push_back(selectGameAccount);
+        _modulesWaitingForData.push(MODULE_SELECT_GAME_ACCOUNT);
+    }
+    else
+    {
+        if (fields[4].GetBool())
+        {
+            delete request;
+
+            AuthComplete* complete = new AuthComplete();
+            if (fields[2].GetUInt32() == fields[3].GetUInt32())
+            {
+                complete->SetAuthResult(LOGIN_BANNED);
+                TC_LOG_DEBUG("server.battlenet", "'%s:%d' [Battlenet::AuthChallenge] Banned account %s tried to login!", _socket.getRemoteAddress().c_str(), _socket.getRemotePort(), _accountName.c_str());
+            }
+            else
+            {
+                complete->SetAuthResult(LOGIN_SUSPENDED);
+                TC_LOG_DEBUG("server.battlenet", "'%s:%d' [Battlenet::AuthChallenge] Temporarily banned account %s tried to login!", _socket.getRemoteAddress().c_str(), _socket.getRemotePort(), _accountName.c_str());
+            }
+
+            ReplaceResponse(response, complete);
+            return true;
+        }
+
+        _gameAccountId = (*result)[1].GetUInt32();
+
+        request->Modules.push_back(new ModuleInfo(*sBattlenetMgr->GetModule({ _os, "RiskFingerprint" })));
+        _modulesWaitingForData.push(MODULE_RISK_FINGERPRINT);
+    }
+
+    ReplaceResponse(response, request);
+
+    return true;
+}
+
+bool Battlenet::Socket::HandleSelectGameAccountModule(BitStream* dataStream, ServerPacket** response)
+{
+    if (dataStream->Read<uint8>(8) != 1)
+    {
+        AuthComplete* complete = new AuthComplete();
+        complete->SetAuthResult(AUTH_CORRUPTED_MODULE);
+        ReplaceResponse(response, complete);
+        return false;
+    }
+
+    dataStream->Read<uint8>(8);
+    std::string account = dataStream->ReadString(8);
+
+    LoginDatabase.EscapeString(account);
+    QueryResult result = LoginDatabase.PQuery("SELECT a.id, ab.bandate, ab.unbandate, ab.active FROM account a LEFT JOIN account_banned ab ON a.id = ab.id WHERE username = '%s' AND battlenet_account = '%u'", account.c_str(), _accountId);
+    if (!result)
+    {
+        AuthComplete* complete = new AuthComplete();
+        complete->SetAuthResult(LOGIN_NO_GAME_ACCOUNT);
+        ReplaceResponse(response, complete);
+        return false;
+    }
+
+    Field* fields = result->Fetch();
+    if (fields[3].GetBool())
+    {
+        AuthComplete* complete = new AuthComplete();
+        if (fields[1].GetUInt32() == fields[2].GetUInt32())
+        {
+            complete->SetAuthResult(LOGIN_BANNED);
+            TC_LOG_DEBUG("server.battlenet", "'%s:%d' [Battlenet::AuthChallenge] Banned account %s tried to login!", _socket.getRemoteAddress().c_str(), _socket.getRemotePort(), _accountName.c_str());
+        }
+        else
+        {
+            complete->SetAuthResult(LOGIN_SUSPENDED);
+            TC_LOG_DEBUG("server.battlenet", "'%s:%d' [Battlenet::AuthChallenge] Temporarily banned account %s tried to login!", _socket.getRemoteAddress().c_str(), _socket.getRemotePort(), _accountName.c_str());
+        }
+
+        ReplaceResponse(response, complete);
+        return true;
+    }
+
+    _gameAccountId = fields[0].GetUInt32();
+
+    ProofRequest* request = new ProofRequest();
+    request->Modules.push_back(new ModuleInfo(*sBattlenetMgr->GetModule({ _os, "RiskFingerprint" })));
+    ReplaceResponse(response, request);
+
+    _modulesWaitingForData.push(MODULE_RISK_FINGERPRINT);
+    return true;
+}
+
+bool Battlenet::Socket::HandleRiskFingerprintModule(BitStream* dataStream, ServerPacket** response)
+{
+    AuthComplete* complete = new AuthComplete();
+    if (dataStream->Read<uint8>(8) == 1)
+    {
+        std::ostringstream str;
+        str << _gameAccountId << "#1";
+
+        complete->GameAccountId = _gameAccountId;
+        complete->GameAccountName = str.str();
+        complete->AccountFlags = 0x800000;      // 0x1 IsGMAccount, 0x8 IsTrialAccount, 0x800000 IsProPassAccount
+
+        LoginDatabase.PExecute("UPDATE battlenet_accounts SET last_ip = '%s', last_login = NOW(), locale = %u, failed_logins = 0, os = '%s' WHERE id = %u", _socket.getRemoteAddress().c_str(), GetLocaleByName(_locale), _os.c_str(), _accountId);
+    }
+    else
+        complete->SetAuthResult(AUTH_BAD_VERSION_HASH);
+
+    ReplaceResponse(response, complete);
+    return false;
+}
+
+bool Battlenet::Socket::UnhandledModule(BitStream* /*dataStream*/, ServerPacket** response)
+{
+    AuthComplete* complete = new AuthComplete();
+    complete->SetAuthResult(AUTH_CORRUPTED_MODULE);
+    ReplaceResponse(response, complete);
+    return false;
+}