private void ParseServerLoginMessage()
{
#if DEBUG_PROXY
Trace.WriteLine("[DEBUG] Proxy [ParseServerLoginMessage]");
#endif
serverInMessage.ReadPosition = 2;
if (Adler.Generate(serverInMessage) != serverInMessage.ReadChecksum())
{
throw new Exception("Wrong checksum.");
}
Xtea.Decrypt(serverInMessage, xteaKey);
serverInMessage.Size = serverInMessage.ReadInternalHead() + 8;
serverInMessage.ReadPosition = 8;
clientOutMessage.Reset();
Array.Copy(serverInMessage.Buffer, clientOutMessage.Buffer, serverInMessage.Size);
clientOutMessage.Size = serverInMessage.Size;
while (serverInMessage.ReadPosition < serverInMessage.Size)
{
byte cmd = serverInMessage.ReadByte();
switch (cmd)
{
case 0x0A: //Error message
var msg = serverInMessage.ReadString();
break;
case 0x0B: //For your information
serverInMessage.ReadString();
break;
case 0x14: //MOTD
serverInMessage.ReadString();
break;
case 0x1E: //Patching exe/dat/spr messages
case 0x1F:
case 0x20:
//DisconnectClient(0x0A, "A new client is avalible, please download it first!");
break;
case 0x28: //Select other login server
//selectedLoginServer = random.Next(0, loginServers.Length - 1);
break;
case 0x64: //character list
if (client.Version.Number <= ClientVersion.Version1011.Number)
{
int nChar = (int)serverInMessage.ReadByte();
charList = new CharacterLoginInfo[nChar];
for (int i = 0; i < nChar; i++)
{
charList[i].CharName = serverInMessage.ReadString();
charList[i].WorldName = serverInMessage.ReadString();
clientOutMessage.WriteAt(new byte[] { 127, 0, 0, 1 }, serverInMessage.ReadPosition);
charList[i].WorldIP = serverInMessage.ReadUInt();
clientOutMessage.WriteAt(BitConverter.GetBytes((ushort)worldClientPort), serverInMessage.ReadPosition);
charList[i].WorldPort = serverInMessage.ReadUShort();
if (client.Version.Number >= ClientVersion.Version981.Number)
{
serverInMessage.ReadByte(); //isPreviewWorld
}
}
if (client.Version.Number >= ClientVersion.Version1011.Number)
{
serverInMessage.ReadUShort(); //PremiumTime
}
}
else if (client.Version.Number >= ClientVersion.Version1012.Number)
{
clientOutMessage.WritePosition = serverInMessage.ReadPosition;
byte nWorlds = serverInMessage.ReadByte();
clientOutMessage.WriteByte(nWorlds);
WorldLoginInfo[] worldList = new WorldLoginInfo[nWorlds];
for (byte i = 0; i < nWorlds; i++)
{
worldList[i].ID = serverInMessage.ReadByte();
clientOutMessage.WriteByte(worldList[i].ID);
worldList[i].Name = serverInMessage.ReadString();
clientOutMessage.WriteString(worldList[i].Name);
worldList[i].Hostname = serverInMessage.ReadString();
clientOutMessage.WriteString("127.0.0.1");
worldList[i].Port = serverInMessage.ReadUShort();
clientOutMessage.WriteUShort((ushort)worldClientPort);
worldList[i].IsPreviewWorld = serverInMessage.ReadBool();
clientOutMessage.WriteByte(Convert.ToByte(worldList[i].IsPreviewWorld));
}
byte nChars = serverInMessage.ReadByte();
clientOutMessage.WriteByte(nChars);
charList = new CharacterLoginInfo[nChars];
for (byte j = 0; j < nChars; j++)
{
byte WorldID = serverInMessage.ReadByte();
clientOutMessage.WriteByte(WorldID);
charList[j].CharName = serverInMessage.ReadString();
clientOutMessage.WriteString(charList[j].CharName);
charList[j].WorldName = worldList[WorldID].Name;
charList[j].WorldIP = BitConverter.ToUInt32(Dns.GetHostAddresses(worldList[WorldID].Hostname)[0].GetAddressBytes(), 0);
charList[j].WorldPort = worldList[WorldID].Port;
charList[j].WorldIPString = worldList[WorldID].Hostname;
}
ushort PremiumTime = serverInMessage.ReadUShort();
clientOutMessage.WriteUShort(PremiumTime);
clientOutMessage.Size = clientOutMessage.WritePosition;
}
break;
default:
break;
}
}
clientOutMessage.WriteInternalHead();
Xtea.Encrypt(clientOutMessage, xteaKey);
Adler.Generate(clientOutMessage, true);
clientOutMessage.WriteHead();
SendToClient(clientOutMessage);
}
private void ParseServerLoginMessage()
{
#if DEBUG_PROXY
Trace.WriteLine("[DEBUG] Proxy [ParseServerLoginMessage]");
#endif
serverInMessage.ReadPosition = 2;
if (Adler.Generate(serverInMessage) != serverInMessage.ReadChecksum())
{
throw new Exception("Wrong checksum.");
}
Xtea.Decrypt(serverInMessage, xteaKey);
serverInMessage.Size = serverInMessage.ReadInternalHead() + 8;
serverInMessage.ReadPosition = 8;
clientOutMessage.Reset();
Array.Copy(serverInMessage.Buffer, clientOutMessage.Buffer, serverInMessage.Size);
clientOutMessage.Size = serverInMessage.Size;
while (serverInMessage.ReadPosition < serverInMessage.Size)
{
byte cmd = serverInMessage.ReadByte();
switch (cmd)
{
case 0x0A: //Error message
var msg = serverInMessage.ReadString();
break;
case 0x0B: //For your information
serverInMessage.ReadString();
break;
case 0x0C: //token succes
case 0x0D: //token error
serverInMessage.ReadByte();
break;
case 0x11: //update
serverInMessage.ReadString();
break;
case 0x14: //MOTD
serverInMessage.ReadString();
break;
case 0x1E: //Patching exe/dat/spr messages
case 0x1F:
case 0x20:
//DisconnectClient(0x0A, "A new client is avalible, please download it first!");
break;
case 0x28: //session key
serverInMessage.ReadString();
break;
case 0x64: //character list
if (client.Version.Number <= ClientVersion.Version1011.Number)
{
int nChar = (int)serverInMessage.ReadByte();
charList = new CharacterLoginInfo[nChar];
for (int i = 0; i < nChar; i++)
{
charList[i].CharName = serverInMessage.ReadString();
charList[i].WorldName = serverInMessage.ReadString();
clientOutMessage.WriteAt(new byte[] { 127, 0, 0, 1 }, serverInMessage.ReadPosition);
charList[i].WorldIP = serverInMessage.ReadUInt();
clientOutMessage.WriteAt(BitConverter.GetBytes((ushort)worldClientPort), serverInMessage.ReadPosition);
charList[i].WorldPort = serverInMessage.ReadUShort();
if (client.Version.Number >= ClientVersion.Version981.Number)
{
serverInMessage.ReadByte(); //isPreviewWorld
}
}
if (client.Version.Number >= ClientVersion.Version1011.Number)
{
serverInMessage.ReadUShort(); //PremiumTime
}
}
else if (client.Version.Number >= ClientVersion.Version1012.Number)
{
clientOutMessage.WritePosition = serverInMessage.ReadPosition;
byte nWorlds = serverInMessage.ReadByte();
clientOutMessage.WriteByte(nWorlds);
WorldLoginInfo[] worldList = new WorldLoginInfo[nWorlds];
for (byte i = 0; i < nWorlds; i++)
{
worldList[i].ID = serverInMessage.ReadByte();
clientOutMessage.WriteByte(worldList[i].ID);
worldList[i].Name = serverInMessage.ReadString();
clientOutMessage.WriteString(worldList[i].Name);
worldList[i].Hostname = serverInMessage.ReadString();
clientOutMessage.WriteString("127.0.0.1");
worldList[i].Port = serverInMessage.ReadUShort();
clientOutMessage.WriteUShort((ushort)worldClientPort);
worldList[i].IsPreviewWorld = serverInMessage.ReadBool();
clientOutMessage.WriteByte(Convert.ToByte(worldList[i].IsPreviewWorld));
}
byte nChars = serverInMessage.ReadByte();
clientOutMessage.WriteByte(nChars);
charList = new CharacterLoginInfo[nChars];
for (byte j = 0; j < nChars; j++)
{
byte WorldID = serverInMessage.ReadByte();
clientOutMessage.WriteByte(WorldID);
charList[j].CharName = serverInMessage.ReadString();
clientOutMessage.WriteString(charList[j].CharName);
charList[j].WorldName = worldList[WorldID].Name;
charList[j].WorldIP = BitConverter.ToUInt32(Dns.GetHostAddresses(worldList[WorldID].Hostname)[0].GetAddressBytes(), 0);
charList[j].WorldPort = worldList[WorldID].Port;
charList[j].WorldIPString = worldList[WorldID].Hostname;
}
/**
* Not very accurately named variables, but I'll settle for some pseudocode in case of futher implementations
*
* if version < 10.80:
* ushort PremiumTime
* else if version < 10.82
* bool isPremium
* uint PremiumTime (In seconds from epoch - don't quote me on this :D)
* else if version >= 10.82
* byte AccountStatus (0 = normal, 1 = frozen, 2 = suspended)
* bool isPremium
* uint PremiumTime
*/
ushort PremiumTime = serverInMessage.ReadUShort();
clientOutMessage.WriteUShort(PremiumTime);
if (client.Version.Number >= ClientVersion.Version1090.Number) // From 10.80 - but haven't added 10.80 support.
{
uint PremiumSeconds = serverInMessage.ReadUInt(); // Not sure about this name.
clientOutMessage.WriteUInt(PremiumSeconds);
}
clientOutMessage.Size = clientOutMessage.WritePosition;
}
break;
default:
break;
}
}
clientOutMessage.WriteInternalHead();
Xtea.Encrypt(clientOutMessage, xteaKey);
Adler.Generate(clientOutMessage, true);
clientOutMessage.WriteHead();
SendToClient(clientOutMessage);
}
private Thing GetThing(InMessage message)
{
//get thing type
var thingId = message.ReadUShort();
if (thingId == 0x0061 || thingId == 0x0062)
{
//creatures
Creature creature = null;
if (thingId == 0x0062)
{
creature = client.BattleList.GetCreature(message.ReadUInt());
if (creature == null)
{
throw new Exception("[GetThing] (0x0062) Can't find the creature in the battle list.");
}
creature.Health = message.ReadByte();
}
else if (thingId == 0x0061)
{ //creature is not known
client.BattleList.RemoveCreature(message.ReadUInt());
creature = new Creature(message.ReadUInt());
client.BattleList.AddCreature(creature);
creature.Type = (CreatureType)message.ReadByte();
creature.Name = message.ReadString();
creature.Health = message.ReadByte();
}
var direction = (Direction)message.ReadByte();
creature.LookDirection = direction;
creature.TurnDirection = direction;
creature.Outfit = message.ReadOutfit();
creature.LightLevel = message.ReadByte();
creature.LightColor = message.ReadByte();
creature.Speed = message.ReadUShort();
creature.Skull = message.ReadByte();
creature.Shield = message.ReadByte();
if (thingId == 0x0061) // emblem is sent only in packet type 0x61
{
creature.Emblem = message.ReadByte();
}
creature.IsImpassable = message.ReadBool();
return(creature);
}
else if (thingId == 0x0063)
{
Creature creature = client.BattleList.GetCreature(message.ReadUInt());
if (creature == null)
{
throw new Exception("[GetThing] (0x0063) Can't find the creature in the battle list.");
}
creature.TurnDirection = (Direction)message.ReadByte();
creature.IsImpassable = message.ReadBool();
return(creature);
}
else
{
return(GetItem(message, thingId));
}
}
private Thing GetThing(InMessage message)
{
//get thing type
var thingId = message.ReadUShort();
if (thingId == 0x0061 || thingId == 0x0062)
{
//creatures
Creature creature = null;
if (thingId == 0x0062)
{
creature = client.BattleList.GetCreature(message.ReadUInt());
if (creature == null)
throw new Exception("[GetThing] (0x0062) Can't find the creature in the battle list.");
creature.Health = message.ReadByte();
}
else if (thingId == 0x0061)
{ //creature is not known
client.BattleList.RemoveCreature(message.ReadUInt());
creature = new Creature(message.ReadUInt());
client.BattleList.AddCreature(creature);
creature.Type = (CreatureType)message.ReadByte();
creature.Name = message.ReadString();
creature.Health = message.ReadByte();
}
var direction = (Direction)message.ReadByte();
creature.LookDirection = direction;
creature.TurnDirection = direction;
creature.Outfit = message.ReadOutfit();
creature.LightLevel = message.ReadByte();
creature.LightColor = message.ReadByte();
creature.Speed = message.ReadUShort();
creature.Skull = message.ReadByte();
creature.Shield = message.ReadByte();
if (thingId == 0x0061) // emblem is sent only in packet type 0x61
creature.Emblem = message.ReadByte();
creature.IsImpassable = message.ReadBool();
return creature;
}
else if (thingId == 0x0063)
{
Creature creature = client.BattleList.GetCreature(message.ReadUInt());
if (creature == null)
throw new Exception("[GetThing] (0x0063) Can't find the creature in the battle list.");
creature.TurnDirection = (Direction)message.ReadByte();
creature.IsImpassable = message.ReadBool();
return creature;
}
else
return GetItem(message, thingId);
}
private void ParseClientMarketCreate(InMessage message)
{
OfferKind Kind = (OfferKind)message.ReadByte();
ushort ItemId = message.ReadUShort();
ushort Amount = message.ReadUShort();
uint PiecePrice = message.ReadUInt();
bool IsAnonymous = message.ReadBool();
}
private Thing GetThing(InMessage message)
{
//get thing type
var thingId = message.ReadUShort();
if (thingId == 0x0061 || thingId == 0x0062)
{
//creatures
Creature creature = null;
if (thingId == 0x0062)
{
creature = client.BattleList.GetCreature(message.ReadUInt());
if (creature == null)
throw new Exception("[GetThing] (0x0062) Can't find the creature in the battle list.");
creature.Health = message.ReadByte();
}
else if (thingId == 0x0061)
{ //creature is not known
client.BattleList.RemoveCreature(message.ReadUInt());
creature = new Creature(message.ReadUInt());
client.BattleList.AddCreature(creature);
creature.Type = (CreatureType)message.ReadByte();
creature.Name = message.ReadString();
creature.Health = message.ReadByte();
}
var direction = (Direction)message.ReadByte();
creature.LookDirection = direction;
creature.TurnDirection = direction;
creature.Outfit = message.ReadOutfit();
creature.LightLevel = message.ReadByte();
creature.LightColor = message.ReadByte();
creature.Speed = message.ReadUShort();
creature.Skull = message.ReadByte();
creature.Shield = message.ReadByte();
if (thingId == 0x0061) // emblem/guildflag is sent only in packet type 0x61
{
if (client.Version.Number <= ClientVersion.Version986.Number)
{
creature.Emblem = message.ReadByte();
}
if (client.Version.Number >= ClientVersion.Version1010.Number)
{
var GuildFlag = message.ReadByte();
}
}
if (client.Version.Number >= ClientVersion.Version1010.Number)
{
creature.Type = (CreatureType)message.ReadByte();
if (client.Version.Number >= ClientVersion.Version1036.Number)
message.ReadByte(); //Speech Category
var Mark = message.ReadByte();
var NumberOfPVPHelpers = message.ReadUShort();
}
creature.IsImpassable = message.ReadBool();
return creature;
}
else if (thingId == 0x0063)
{
Creature creature = client.BattleList.GetCreature(message.ReadUInt());
if (creature == null)
throw new Exception("[GetThing] (0x0063) Can't find the creature in the battle list.");
creature.TurnDirection = (Direction)message.ReadByte();
creature.IsImpassable = message.ReadBool();
return creature;
}
else
return GetItem(message, thingId);
}