public static void LoadAddonInfoData(RealmSession session, byte[] packedData, int packedSize, int unpackedSize)
{
// Check ZLib header (normal mode)
if (packedData[0] == 0x78 && packedData[1] == 0x9C)
{
var unpackedAddonData = new byte[unpackedSize];
if (packedSize > 0)
{
using (var inflate = new DeflateStream(new MemoryStream(packedData, 2, packedSize - 6), CompressionMode.Decompress))
{
var decompressed = new MemoryStream();
inflate.CopyTo(decompressed);
decompressed.Seek(0, SeekOrigin.Begin);
for (int i = 0; i < unpackedSize; i++)
unpackedAddonData[i] = (byte)decompressed.ReadByte();
}
}
HandleAddonInfo(session, unpackedAddonData);
}
else
{
Log.Message(LogType.Error, "Wrong AddonInfo for Client '{0}'.", session.GetClientIP());
session.Dispose();
}
}
public static void LoadAddonInfoData(RealmSession session, byte[] packedData, int packedSize, int unpackedSize)
{
// Check ZLib header (normal mode)
if (packedData[0] == 0x78 && packedData[1] == 0x9C)
{
var unpackedAddonData = new byte[unpackedSize];
if (packedSize > 0)
{
using (var inflate = new DeflateStream(new MemoryStream(packedData, 2, packedSize - 6), CompressionMode.Decompress))
{
var decompressed = new MemoryStream();
inflate.CopyTo(decompressed);
decompressed.Seek(0, SeekOrigin.Begin);
for (int i = 0; i < unpackedSize; i++)
{
unpackedAddonData[i] = (byte)decompressed.ReadByte();
}
}
}
HandleAddonInfo(session, unpackedAddonData);
}
else
{
Log.Message(LogType.Error, "Wrong AddonInfo for Client '{0}'.", session.GetClientIP());
session.Dispose();
}
}
public static void HandleEnumCharactersResult(RealmSession session)
{
var enumCharactersResult = new Packet(ServerMessages.EnumCharactersResult);
enumCharactersResult.PutBit(1);
enumCharactersResult.PutBit(0);
enumCharactersResult.Flush();
enumCharactersResult.Write(0);
enumCharactersResult.Write(0);
session.Send(enumCharactersResult);
}
public static void HandleEnumCharactersResult(RealmSession session)
{
var enumCharactersResult = new Packet(ServerMessages.EnumCharactersResult);
enumCharactersResult.PutBit(1);
enumCharactersResult.PutBit(0);
enumCharactersResult.Flush();
enumCharactersResult.Write(0);
enumCharactersResult.Write(0);
session.Send(enumCharactersResult);
}
public static bool InvokeHandler(Packet reader, RealmSession session)
{
var message = (ClientMessages)reader.Header.Message;
Log.Message(LogType.Packet, "Received Opcode: {0} (0x{0:X}), Length: {1}", message, reader.Data.Length);
if (MessageHandlers.TryGetValue(message, out HandlePacket packet))
{
packet.Invoke(reader, session);
return true;
}
return false;
}
public static bool InvokeHandler(Packet reader, RealmSession session)
{
var message = (ClientMessages)reader.Header.Message;
Log.Message(LogType.Packet, "Received Opcode: {0} (0x{0:X}), Length: {1}", message, reader.Data.Length);
if (MessageHandlers.TryGetValue(message, out HandlePacket packet))
{
packet.Invoke(reader, session);
return(true);
}
return(false);
}
public static void HandleAuthChallenge(RealmSession session)
{
var authChallenge = new Packet(ServerMessages.AuthChallenge);
// Part of the header
authChallenge.Write<ushort>(0);
authChallenge.Write(session.Challenge);
for (int i = 0; i < 8; i++)
authChallenge.Write<uint>(0); // DosChallenge
authChallenge.Write<byte>(1); // DosZeroBits
session.Send(authChallenge);
}
public static bool Invoke(Packet reader, RealmSession session)
{
var message = (ClientMessage)reader.Header.Message;
Console.WriteLine($"Received Realm packet: {message} (0x{message:X}), Length: {reader.Data.Length}");
HandlePacket packet;
if (ClientMessageHandlers.TryGetValue(message, out packet))
{
packet.Invoke(reader, session);
return true;
}
return false;
}
public static void HandleAuthChallenge(RealmSession session)
{
var authChallenge = new Packet(ServerMessage.AuthChallenge);
// Part of the header
authChallenge.Write <ushort>(0);
authChallenge.Write(session.Challenge);
for (int i = 0; i < 8; i++)
{
authChallenge.Write <uint>(0);
}
authChallenge.Write <byte>(1);
session.Send(authChallenge);
}
public static void HandleAuthResponse(AuthResults result, RealmSession session)
{
var authResponse = new Packet(ServerMessages.AuthResponse);
var hasSuccessInfo = result == AuthResults.Ok;
var hasWaitInfo = result == AuthResults.WaitQueue;
authResponse.Write(result);
authResponse.PutBit(hasSuccessInfo);
authResponse.PutBit(hasWaitInfo);
if (hasSuccessInfo)
{
}
if (hasWaitInfo)
{
}
session.Send(authResponse);
}
public static void OnEnumCharacters(Packet packet, RealmSession session)
{
HandleEnumCharactersResult(session);
}
public static void OnCreateCharacter(Packet packet, RealmSession session)
{
}
public static void OnCharDelete(Packet packet, RealmSession session)
{
}
public static void HandleGenerateRandomCharacterNameResult(RealmSession session)
{
}
public static void HandleAuthResponse(AuthResults result, RealmSession session)
{
var gameAccount = session.GameAccount;
var realm = session.Realm;
var authResponse = new Packet(ServerMessages.AuthResponse);
var hasSuccessInfo = result == AuthResults.Ok;
var hasWaitInfo = result == AuthResults.WaitQueue;
authResponse.Write(result);
authResponse.PutBit(hasSuccessInfo);
authResponse.PutBit(hasWaitInfo);
authResponse.Flush();
if (hasSuccessInfo)
{
var allowedRaces = Manager.GameAccountMgr.GetAvailableRaces(gameAccount, realm);
var allowedClasses = Manager.GameAccountMgr.GetAvailableClasses(gameAccount, realm);
var charTemplates = Manager.GameAccountMgr.GetAvailableCharacterTemplates(gameAccount, realm);
authResponse.Write<uint>(0);
authResponse.Write<uint>(0);
authResponse.Write<uint>(0);
authResponse.Write<uint>(0);
authResponse.Write<uint>(0);
authResponse.Write(gameAccount.BoxLevel);
authResponse.Write(gameAccount.BoxLevel);
authResponse.Write<uint>(0);
authResponse.Write(allowedRaces.Count);
authResponse.Write(allowedClasses.Count);
authResponse.Write(charTemplates.Count);
authResponse.Write<uint>(0);
foreach (var r in allowedRaces)
{
authResponse.Write(r.Key);
authResponse.Write(r.Value);
}
foreach (var c in allowedClasses)
{
authResponse.Write(c.Key);
authResponse.Write(c.Value);
}
foreach (var set in charTemplates)
{
authResponse.Write(set.Id);
authResponse.Write(set.CharacterTemplateClasses.Count);
foreach (var c in set.CharacterTemplateClasses)
{
authResponse.Write((byte)c.ClassId);
authResponse.Write(c.FactionGroup);
}
authResponse.PutBits(set.Name.Length, 7);
authResponse.PutBits(set.Description.Length, 10);
authResponse.Flush();
authResponse.Write(set.Name);
authResponse.Write(set.Description);
}
authResponse.PutBit(0);
authResponse.PutBit(0);
authResponse.PutBit(0);
authResponse.PutBit(0);
authResponse.PutBit(0);
authResponse.Flush();
}
session.Send(authResponse);
}
public static void HandleDeleteChar(RealmSession session)
{
}
public static void OnAuthSession(Packet packet, RealmSession session)
{
// Part of the header
packet.Read<ushort>();
var loginServerId = packet.Read<uint>();
var build = packet.Read<short>();
var localChallenge = packet.Read<uint>();
var siteId = packet.Read<uint>();
var realmId = packet.Read<uint>();
var loginServerType = packet.Read<LoginServerTypes>();
var buildType = packet.Read<sbyte>();
var regionId = packet.Read<uint>();
var dosResponse = packet.Read<ulong>();
var digest = packet.ReadBytes(20);
var accountName = packet.ReadString(11);
var useIPv6 = packet.GetBit();
// AddonInfo stuff
var compressedAddonInfoSize = packet.Read<int>();
var uncompressedAddonInfoSize = packet.Read<int>();
var compressedAddonData = packet.ReadBytes(compressedAddonInfoSize - 4);
var accountParts = accountName.Split(new[] { '#' });
var authResult = AuthResults.Ok;
if (loginServerType != LoginServerTypes.Battlenet)
authResult = AuthResults.Reject;
if (authResult == AuthResults.Ok)
{
if (accountParts.Length == 2)
{
var accountId = int.Parse(accountParts[0]);
var gameIndex = byte.Parse(accountParts[1]);
var gameAccount = DB.Auth.GameAccounts.SingleOrDefault(ga => ga.AccountId == accountId && ga.Index == gameIndex);
if (gameAccount != null)
{
var sha1 = new Sha1();
sha1.Process(accountName);
sha1.Process(0u);
sha1.Process(localChallenge);
sha1.Process(session.Challenge);
sha1.Finish(gameAccount.SessionKey.ToByteArray(), 40);
// Check the password digest.
if (sha1.Digest.Compare(digest))
{
session.GameAccount = gameAccount;
AddonHandler.LoadAddonInfoData(session, compressedAddonData, compressedAddonInfoSize, uncompressedAddonInfoSize);
}
else
authResult = AuthResults.IncorrectPassword;
}
else
authResult = AuthResults.UnknownAccount;
}
else
authResult = AuthResults.UnknownAccount;
}
HandleAuthResponse(authResult, session);
//TODO [partially done] Implement security checks & field handling.
//TODO Implement AuthResponse.
}
public static void HandleEnumCharactersResult(RealmSession session)
{
}
public static void OnEnumCharacters(Packet packet, RealmSession session)
{
}
public static void OnCharDelete(Packet packet, RealmSession session)
{
}
public static void HandleCreateChar(RealmSession session)
{
}
public static void OnCreateCharacter(Packet packet, RealmSession session)
{
}
public static void OnGenerateRandomCharacterName(Packet packet, RealmSession session)
{
}
public static void HandleCreateChar(RealmSession session)
{
}
public static void HandleDeleteChar(RealmSession session)
{
}
public static void OnEnumCharacters(Packet packet, RealmSession session)
{
HandleEnumCharactersResult(session);
}
public static void HandleAddonInfo(RealmSession session, byte[] addonData)
{
}
public static void OnGenerateRandomCharacterName(Packet packet, RealmSession session)
{
}
public static void HandleAuthResponse(AuthResults result, RealmSession session)
{
var gameAccount = session.GameAccount;
var realm = session.Realm;
var authResponse = new Packet(ServerMessages.AuthResponse);
var hasSuccessInfo = result == AuthResults.Ok;
var hasWaitInfo = result == AuthResults.WaitQueue;
authResponse.Write(result);
authResponse.PutBit(hasSuccessInfo);
authResponse.PutBit(hasWaitInfo);
authResponse.Flush();
if (hasSuccessInfo)
{
var allowedRaces = Manager.GameAccountMgr.GetAvailableRaces(gameAccount, realm);
var allowedClasses = Manager.GameAccountMgr.GetAvailableClasses(gameAccount, realm);
var charTemplates = Manager.GameAccountMgr.GetAvailableCharacterTemplates(gameAccount, realm);
authResponse.Write <uint>(0);
authResponse.Write <uint>(0);
authResponse.Write <uint>(0);
authResponse.Write <uint>(0);
authResponse.Write <uint>(0);
authResponse.Write(gameAccount.BoxLevel);
authResponse.Write(gameAccount.BoxLevel);
authResponse.Write <uint>(0);
authResponse.Write(allowedRaces.Count);
authResponse.Write(allowedClasses.Count);
authResponse.Write(charTemplates.Count);
authResponse.Write <uint>(0);
foreach (var r in allowedRaces)
{
authResponse.Write(r.Key);
authResponse.Write(r.Value);
}
foreach (var c in allowedClasses)
{
authResponse.Write(c.Key);
authResponse.Write(c.Value);
}
foreach (var set in charTemplates)
{
authResponse.Write(set.Id);
authResponse.Write(set.CharacterTemplateClasses.Count);
foreach (var c in set.CharacterTemplateClasses)
{
authResponse.Write((byte)c.ClassId);
authResponse.Write(c.FactionGroup);
}
authResponse.PutBits(set.Name.Length, 7);
authResponse.PutBits(set.Description.Length, 10);
authResponse.Flush();
authResponse.Write(set.Name);
authResponse.Write(set.Description);
}
authResponse.PutBit(0);
authResponse.PutBit(0);
authResponse.PutBit(0);
authResponse.PutBit(0);
authResponse.PutBit(0);
authResponse.Flush();
}
session.Send(authResponse);
}
public static void HandleGenerateRandomCharacterNameResult(RealmSession session)
{
}
public static void OnAuthSession(Packet packet, RealmSession session)
{
// Part of the header
packet.Read <ushort>();
var loginServerId = packet.Read <int>();
var build = packet.Read <short>();
var regionId = packet.Read <uint>();
var siteId = packet.Read <uint>();
var realmId = packet.Read <uint>();
var loginServerType = packet.Read <LoginServerTypes>();
var buildType = packet.Read <sbyte>();
var localChallenge = packet.Read <uint>();
var dosResponse = packet.Read <ulong>();
var digest = packet.ReadBytes(20);
var accountName = packet.ReadString(11);
var useIPv6 = packet.GetBit();
// AddonInfo stuff
var compressedAddonInfoSize = packet.Read <int>();
var uncompressedAddonInfoSize = packet.Read <int>();
var compressedAddonData = packet.ReadBytes(compressedAddonInfoSize - 4);
var accountParts = accountName.Split(new[] { '#' });
var authResult = AuthResults.Ok;
session.Realm = DB.Auth.Single <Realm>(r => r.Id == realmId);
if (loginServerType != LoginServerTypes.Battlenet || session.Realm == null)
{
authResult = AuthResults.Reject;
}
if (authResult == AuthResults.Ok)
{
if (accountParts.Length == 2)
{
var accountId = int.Parse(accountParts[0]);
var gameIndex = byte.Parse(accountParts[1]);
var account = DB.Auth.Single <Account>(a => a.Id == accountId);
if (account != null)
{
var gameAccount = account.GameAccounts.SingleOrDefault(ga => ga.Index == gameIndex);
if (gameAccount != null)
{
var sha1 = new Sha1();
sha1.Process(accountName);
sha1.Process(0u);
sha1.Process(localChallenge);
sha1.Process(session.Challenge);
sha1.Finish(gameAccount.SessionKey.ToByteArray(), 40);
// Check the password digest.
if (sha1.Digest.Compare(digest))
{
session.Crypt = new WoWCrypt(gameAccount.SessionKey.ToByteArray());
session.GameAccount = gameAccount;
AddonHandler.LoadAddonInfoData(session, compressedAddonData, compressedAddonInfoSize, uncompressedAddonInfoSize);
}
else
{
authResult = AuthResults.Failed;
}
}
else
{
authResult = AuthResults.UnknownAccount;
}
}
else
{
authResult = AuthResults.UnknownAccount;
}
}
else
{
authResult = AuthResults.UnknownAccount;
}
}
HandleAuthResponse(authResult, session);
//TODO [partially done] Implement security checks & field handling.
//TODO [partially done] Implement AuthResponse.
}
public static void HandleAddonInfo(RealmSession session, byte[] addonData)
{
}
