public static void DecodeBundledPacket(NetState state, PacketReader pvSrc)
{
int packetID = pvSrc.ReadByte();
PacketHandler ph = GetHandler(packetID);
if (ph != null)
{
if (ph.Ingame && state.Mobile == null)
{
Utility.PushColor(ConsoleColor.DarkRed);
Console.WriteLine("Client: {0}: Sent ingame packet (0xF0x{1:X2}) before having been attached to a mobile", state, packetID);
Utility.PopColor();
state.Dispose();
}
else if (ph.Ingame && state.Mobile.Deleted)
{
state.Dispose();
}
else
{
ph.OnReceive(state, pvSrc);
}
}
}
public void RejectNoEncryption(NetState ns)
{
// Log it on the console
Console.WriteLine("Client: {0}: Unencrypted client detected, disconnected", ns);
// Send the client the typical "Bad communication" packet and also a sysmessage stating the error
ns.Send(new AsciiMessage(Server.Serial.MinusOne, -1, MessageType.Label, 0x35, 3, "System", "Unencrypted connections are not allowed on this server."));
ns.Send(new AccountLoginRej(ALRReason.BadComm));
// Disconnect the client
ns.Dispose(true);
}
public static void DecodeBundledPacket( NetState state, PacketReader pvSrc )
{
int packetID = pvSrc.ReadByte();
PacketHandler ph = GetHandler( packetID );
if ( ph != null )
{
if ( ph.Ingame && state.Mobile == null )
{
log.Warn(String.Format("Client: {0}: Sent ingame packet (0xF0x{1:X2}) before having been attached to a mobile",
state, packetID));
state.Dispose();
}
else if ( ph.Ingame && state.Mobile.Deleted )
{
state.Dispose();
}
else
{
ph.OnReceive( state, pvSrc );
}
}
}
public static void EncodedCommand( NetState state, PacketReader pvSrc )
{
IEntity e = World.FindEntity( pvSrc.ReadInt32() );
int packetID = pvSrc.ReadUInt16();
EncodedPacketHandler ph = GetEncodedHandler( packetID );
if ( ph != null )
{
if ( ph.Ingame && state.Mobile == null )
{
Console.WriteLine( "Client: {0}: Sent ingame packet (0xD7x{1:X2}) before having been attached to a mobile", state, packetID );
state.Dispose();
}
else if ( ph.Ingame && state.Mobile.Deleted )
{
state.Dispose();
}
else
{
ph.OnReceive( state, e, new EncodedReader( pvSrc ) );
}
}
else
{
pvSrc.Trace( state );
}
}
public static void AccountLogin_ReplyAck( NetState state )
{
ServerListEventArgs e = new ServerListEventArgs( state, state.Account );
EventSink.InvokeServerList( e );
if ( e.Rejected )
{
state.Account = null;
state.Send( new AccountLoginRej( ALRReason.BadComm ) );
state.Dispose();
}
else
{
ServerInfo[] info = e.Servers.ToArray();
state.ServerInfo = info;
state.Send( new AccountLoginAck( info ) );
}
}
public static void LoginServerSeed( NetState state, PacketReader pvSrc )
{
state.m_Seed = pvSrc.ReadInt32();
state.Seeded = true;
if ( state.m_Seed == 0 )
{
Console.WriteLine("Login: {0}: Invalid client detected, disconnecting", state);
state.Dispose();
return;
}
int clientMaj = pvSrc.ReadInt32();
int clientMin = pvSrc.ReadInt32();
int clientRev = pvSrc.ReadInt32();
int clientPat = pvSrc.ReadInt32();
state.Version = new ClientVersion( clientMaj, clientMin, clientRev, clientPat );
}
public static void GameLogin( NetState state, PacketReader pvSrc )
{
if ( state.SentFirstPacket )
{
state.Dispose();
return;
}
state.SentFirstPacket = true;
int authID = pvSrc.ReadInt32();
if ( m_AuthIDWindow.ContainsKey( authID ) ) {
AuthIDPersistence ap = m_AuthIDWindow[authID];
m_AuthIDWindow.Remove( authID );
state.Version = ap.Version;
} else if ( m_ClientVerification ) {
Console.WriteLine( "Login: {0}: Invalid client detected, disconnecting", state );
state.Dispose();
return;
}
if ( state.m_AuthID != 0 && authID != state.m_AuthID )
{
Console.WriteLine( "Login: {0}: Invalid client detected, disconnecting", state );
state.Dispose();
return;
}
else if ( state.m_AuthID == 0 && authID != state.m_Seed )
{
Console.WriteLine( "Login: {0}: Invalid client detected, disconnecting", state );
state.Dispose();
return;
}
string username = pvSrc.ReadString( 30 );
string password = pvSrc.ReadString( 30 );
GameLoginEventArgs e = new GameLoginEventArgs( state, username, password );
EventSink.InvokeGameLogin( e );
if ( e.Accepted )
{
state.CityInfo = e.CityInfo;
state.CompressionEnabled = true;
state.Send( SupportedFeatures.Instantiate( state ) );
if ( state.NewCharacterList ) {
state.Send( new CharacterList( state.Account, state.CityInfo ) );
} else {
state.Send( new CharacterListOld( state.Account, state.CityInfo ) );
}
}
else
{
state.Dispose();
}
}
public static void PlayCharacter( NetState state, PacketReader pvSrc )
{
pvSrc.ReadInt32(); // 0xEDEDEDED
string name = pvSrc.ReadString( 30 );
pvSrc.Seek( 2, SeekOrigin.Current );
int flags = pvSrc.ReadInt32();
if ( FeatureProtection.DisabledFeatures != 0 && ThirdPartyAuthCallback != null )
{
bool authOK = false;
ulong razorFeatures = (((ulong)pvSrc.ReadUInt32())<<32) | ((ulong)pvSrc.ReadUInt32());
if ( razorFeatures == (ulong)FeatureProtection.DisabledFeatures )
{
bool match = true;
for ( int i=0; match && i < m_ThirdPartyAuthKey.Length; i++ )
match = match && pvSrc.ReadByte() == m_ThirdPartyAuthKey[i];
if ( match )
authOK = true;
}
else
{
pvSrc.Seek( 16, SeekOrigin.Current );
}
ThirdPartyAuthCallback( state, authOK );
}
else
{
pvSrc.Seek( 24, SeekOrigin.Current );
}
if ( ThirdPartyHackedCallback != null )
{
pvSrc.Seek( -2, SeekOrigin.Current );
if ( pvSrc.ReadUInt16() == 0xDEAD )
ThirdPartyHackedCallback( state, true );
}
if ( !state.Running )
return;
int charSlot = pvSrc.ReadInt32();
int clientIP = pvSrc.ReadInt32();
IAccount a = state.Account;
if ( a == null || charSlot < 0 || charSlot >= a.Length )
{
state.Dispose();
}
else
{
Mobile m = a[charSlot];
// Check if anyone is using this account
for ( int i = 0; i < a.Length; ++i )
{
Mobile check = a[i];
if ( check != null && check.Map != Map.Internal && check != m )
{
Console.WriteLine( "Login: {0}: Account in use", state );
state.Send( new PopupMessage( PMMessage.CharInWorld ) );
return;
}
}
if ( m == null )
{
state.Dispose();
}
else
{
if ( m.NetState != null )
m.NetState.Dispose();
NetState.ProcessDisposedQueue();
state.Send( new ClientVersionReq() );
state.BlockAllPackets = true;
state.Flags = (ClientFlags)flags;
state.Mobile = m;
m.NetState = state;
new LoginTimer( state, m ).Start();
}
}
}
public static void DisplayGumpResponse( NetState state, PacketReader pvSrc ) {
int serial = pvSrc.ReadInt32();
int typeID = pvSrc.ReadInt32();
int buttonID = pvSrc.ReadInt32();
foreach ( Gump gump in state.Gumps ) {
if ( gump.Serial == serial && gump.TypeID == typeID ) {
int switchCount = pvSrc.ReadInt32();
if ( switchCount < 0 || switchCount > gump.m_Switches ) {
state.WriteConsole( "Invalid gump response, disconnecting..." );
state.Dispose();
return;
}
int[] switches = new int[switchCount];
for ( int j = 0; j < switches.Length; ++j )
switches[j] = pvSrc.ReadInt32();
int textCount = pvSrc.ReadInt32();
if ( textCount < 0 || textCount > gump.m_TextEntries ) {
state.WriteConsole( "Invalid gump response, disconnecting..." );
state.Dispose();
return;
}
TextRelay[] textEntries = new TextRelay[textCount];
for ( int j = 0; j < textEntries.Length; ++j ) {
int entryID = pvSrc.ReadUInt16();
int textLength = pvSrc.ReadUInt16();
if ( textLength > 239 ) {
state.WriteConsole( "Invalid gump response, disconnecting..." );
state.Dispose();
return;
}
string text = pvSrc.ReadUnicodeStringSafe( textLength );
textEntries[j] = new TextRelay( entryID, text );
}
state.RemoveGump( gump );
GumpProfile prof = GumpProfile.Acquire( gump.GetType() );
if ( prof != null ) {
prof.Start();
}
gump.OnResponse( state, new RelayInfo( buttonID, switches, textEntries ) );
if ( prof != null ) {
prof.Finish();
}
return;
}
}
if ( typeID == 461 ) { // Virtue gump
int switchCount = pvSrc.ReadInt32();
if ( buttonID == 1 && switchCount > 0 ) {
Mobile beheld = World.FindMobile( pvSrc.ReadInt32() );
if ( beheld != null ) {
EventSink.InvokeVirtueGumpRequest( new VirtueGumpRequestEventArgs( state.Mobile, beheld ) );
}
} else {
Mobile beheld = World.FindMobile( serial );
if ( beheld != null ) {
EventSink.InvokeVirtueItemRequest( new VirtueItemRequestEventArgs( state.Mobile, beheld, buttonID ) );
}
}
}
}
// Try to decrypt incoming data.
public void DecodeIncomingPacket(NetState from, ref byte[] buffer, ref int length)
{
#region m_Encryption != null
if (m_Encryption != null)
{
// If we're decrypting using LoginCrypt and we've already been relayed,
// only decrypt a single packet using logincrypt and then disable it
if (m_AlreadyRelayed && m_Encryption is LoginEncryption)
{
uint newSeed = ((((LoginEncryption)(m_Encryption)).Key1 + 1) ^ ((LoginEncryption)(m_Encryption)).Key2);
// Swap the seed
newSeed = ((newSeed >> 24) & 0xFF) | ((newSeed >> 8) & 0xFF00) | ((newSeed << 8) & 0xFF0000) | ((newSeed << 24) & 0xFF000000);
// XOR it with the old seed
newSeed ^= m_Seed;
IClientEncryption newEncryption = new GameEncryption(newSeed);
// Game Encryption comes first
newEncryption.clientDecrypt(ref buffer, length);
// The login encryption is still used for this one packet
m_Encryption.clientDecrypt(ref buffer, length);
// Swap the encryption schemes
m_Encryption = newEncryption;
m_Seed = newSeed;
return;
}
m_Encryption.clientDecrypt(ref buffer, length);
return;
}
#endregion
#region Port Scan
//11JUN2008 GOW SVN fix ** START ***
// If the client did not connect on the game server port,
// it's not our business to handle encryption for it
//if (((IPEndPoint)from.Socket.LocalEndPoint).Port != Listener.Port)
//{
// m_Encryption = new NoEncryption();
// return;
//}
bool handle = false;
for (int i = 0; i < Listener.EndPoints.Length; i++)
{
IPEndPoint ipep = (IPEndPoint)Listener.EndPoints[i];
if (((IPEndPoint)from.Socket.LocalEndPoint).Port == ipep.Port)
handle = true;
}
if (!handle)
{
m_Encryption = new NoEncryption();
return;
}
#endregion
#region !m_Seeded
// For simplicities sake, enqueue what we just received as long as we're not initialized
m_Buffer.Enqueue(buffer, 0, length);
// Clear the array
length = 0;
// If we didn't receive the seed yet, queue data until we can read the seed
//if (!m_Seeded)
//{
// // Now check if we have at least 4 bytes to get the seed
// if (m_Buffer.Length >= 4)
// {
// byte[] m_Peek = new byte[m_Buffer.Length];
// m_Buffer.Dequeue( m_Peek, 0, m_Buffer.Length ); // Dequeue everything
// m_Seed = (uint)((m_Peek[0] << 24) | (m_Peek[1] << 16) | (m_Peek[2] << 8) | m_Peek[3]);
// m_Seeded = true;
// Buffer.BlockCopy(m_Peek, 0, buffer, 0, 4);
// length = 4;
// }
// else
// {
// return;
// }
//}
//http://uodev.de/viewtopic.php?t=5097&postdays=0&postorder=asc&start=15&sid=dfb8e6c73b9e3eb95c1634ca3586e8a7
//if (!m_Seeded)
//{
// int seed_length = m_Buffer.GetSeedLength();
// if (m_Buffer.Length >= seed_length)
// {
// byte[] m_Peek = new byte[m_Buffer.Length];
// m_Buffer.Dequeue(m_Peek, 0, seed_length);
// if (seed_length == 4)
// m_Seed = (uint)((m_Peek[0] << 24) | (m_Peek[1] << 16) | (m_Peek[2] << 8) | m_Peek[3]);
// else if (seed_length == 21)
// m_Seed = (uint)((m_Peek[1] << 24) | (m_Peek[2] << 16) | (m_Peek[3] << 8) | m_Peek[4]);
// m_Seeded = true;
// Buffer.BlockCopy(m_Peek, 0, buffer, 0, seed_length);
// length = seed_length;
// }
// else
// {
// return;
// }
//}
//11JUN2008 My Version
if (!m_Seeded)
{
if (m_Buffer.Length <= 3) //Short Length, try again.
{
Console.WriteLine("Encryption: Failed - Short Lenght");
return;
}
//else if ((m_Buffer.Length == 83) && (m_Buffer.GetPacketID() == 239)) //New Client
//{
// byte[] m_Peek = new byte[21];
// m_Buffer.Dequeue(m_Peek, 0, 21);
// m_Seed = (uint)((m_Peek[1] << 24) | (m_Peek[2] << 16) | (m_Peek[3] << 8) | m_Peek[4]);
// m_Seeded = true;
// Buffer.BlockCopy(m_Peek, 0, buffer, 0, 21);
// length = 21;
// Console.WriteLine("Encryption: Passed - New Client");
//}
//05MAR2009 Smjert's fix for double log in. *** START ***
else if ((m_Buffer.Length == 83 || m_Buffer.Length == 21) && (m_Buffer.GetPacketID() == 239)) //New Client
{
length = m_Buffer.Length;
byte[] m_Peek = new byte[21];
m_Buffer.Dequeue(m_Peek, 0, 21);
m_Seed = (uint)((m_Peek[1] << 24) | (m_Peek[2] << 16) | (m_Peek[3] << 8) | m_Peek[4]);
m_Seeded = true;
Buffer.BlockCopy(m_Peek, 0, buffer, 0, 21);
Console.WriteLine("Encryption: Passed - New Client");
// We need to wait the next packet
if (length == 21)
return;
length = 21;
}
else if (m_Buffer.Length >= 4) //Old Client
//05MAR2009 Smjert's fix for double log in. *** END ***
{
byte[] m_Peek = new byte[4];
m_Buffer.Dequeue(m_Peek, 0, 4);
m_Seed = (uint)((m_Peek[0] << 24) | (m_Peek[1] << 16) | (m_Peek[2] << 8) | m_Peek[3]);
m_Seeded = true;
Buffer.BlockCopy(m_Peek, 0, buffer, 0, 4);
length = 4;
Console.WriteLine("Encryption: Passed - Old Client");
}
else //It should never reach here.
{
Console.WriteLine("Encryption: Failed - It should never reach here");
return;
}
}
#endregion
// If the context isn't initialized yet, that means we haven't decided on an encryption method yet
#region m_Encryption == null
if (m_Encryption == null)
{
int packetLength = m_Buffer.Length;
int packetOffset = length;
m_Buffer.Dequeue(buffer, length, packetLength); // Dequeue everything
length += packetLength;
// This is special handling for the "special" UOG packet
if (packetLength >= 3)
{
if (buffer[packetOffset] == 0xf1 && buffer[packetOffset + 1] == ((packetLength >> 8) & 0xFF) && buffer[packetOffset + 2] == (packetLength & 0xFF))
{
m_Encryption = new NoEncryption();
return;
}
}
// Check if the current buffer contains a valid login packet (62 byte + 4 byte header)
// Please note that the client sends these in two chunks. One 4 byte and one 62 byte.
if (packetLength == 62)
{
Console.WriteLine("Checking packetLength 62 == " + packetLength);
// Check certain indices in the array to see if the given data is unencrypted
if (buffer[packetOffset] == 0x80 && buffer[packetOffset + 30] == 0x00 && buffer[packetOffset + 60] == 0x00)
{
if (Configuration.AllowUnencryptedClients)
{
m_Encryption = new NoEncryption();
}
else
{
RejectNoEncryption(from);
from.Dispose();
return;
}
}
else
{
LoginEncryption encryption = new LoginEncryption();
if (encryption.init(m_Seed, buffer, packetOffset, packetLength))
{
Console.WriteLine("Client: {0}: Encrypted client detected, using keys of client {1}", from, encryption.Name);
m_Encryption = encryption;
Console.WriteLine("Encryption: Check 1");
byte[] packet = new byte[packetLength];
Console.WriteLine("Encryption: Check 2");
Buffer.BlockCopy(buffer, packetOffset, packet, 0, packetLength);
Console.WriteLine("Encryption: Check 3");
encryption.clientDecrypt(ref packet, packet.Length);
Console.WriteLine("Encryption: Check 4");
Buffer.BlockCopy(packet, 0, buffer, packetOffset, packetLength);
Console.WriteLine("Encryption: Check 5");
//return; //Just throwing this in.
}
else
{
Console.WriteLine("Detected an unknown client.");
}
}
}
else if (packetLength == 65)
{
Console.WriteLine("Checking packetLength 65 == " + packetLength);
// If its unencrypted, use the NoEncryption class
if (buffer[packetOffset] == '\x91' && buffer[packetOffset + 1] == ((m_Seed >> 24) & 0xFF) && buffer[packetOffset + 2] == ((m_Seed >> 16) & 0xFF) && buffer[packetOffset + 3] == ((m_Seed >> 8) & 0xFF) && buffer[packetOffset + 4] == (m_Seed & 0xFF))
{
if (Configuration.AllowUnencryptedClients)
{
m_Encryption = new NoEncryption();
}
else
{
RejectNoEncryption(from);
from.Dispose();
}
}
else
{
// If it's not an unencrypted packet, simply assume it's encrypted with the seed
m_Encryption = new GameEncryption(m_Seed);
byte[] packet = new byte[packetLength];
Buffer.BlockCopy(buffer, packetOffset, packet, 0, packetLength);
m_Encryption.clientDecrypt(ref packet, packet.Length);
Buffer.BlockCopy(packet, 0, buffer, packetOffset, packetLength);
}
}
// If it's still not initialized, copy the data back to the queue and wait for more
if (m_Encryption == null)
{
Console.WriteLine("Encryption: Check - Waiting");
m_Buffer.Enqueue(buffer, packetOffset, packetLength);
length -= packetLength;
return;
}
}
#endregion
}
public static bool VerifyGC( NetState state )
{
if ( state.Mobile == null || state.Mobile.AccessLevel <= AccessLevel.Counselor )
{
if ( state.Running )
log.WarnFormat("Player {0} using godclient, disconnecting",
state);
state.Dispose();
return false;
}
else
{
return true;
}
}
public override void OnResponse( NetState sender, RelayInfo info )
{
PlayerMobile pm = m_Entry.Player;
m_CloseTimer.Stop();
if ( Campfire.GetEntry( pm ) != m_Entry )
return;
if ( info.ButtonID == 1 && m_Entry.Safe && m_Bedroll.Parent == null && m_Bedroll.IsAccessibleTo( pm )
&& m_Bedroll.VerifyMove( pm ) && m_Bedroll.Map == pm.Map && pm.InRange( m_Bedroll, 2 ) )
{
pm.PlaceInBackpack( m_Bedroll );
pm.BedrollLogout = true;
sender.Dispose();
}
Campfire.RemoveEntry( m_Entry );
}
public bool HandleReceive(NetState ns)
{
ByteQueue queue1;
int num1;
int num2;
int num3;
PacketHandler handler1;
byte[] buffer1;
int num4;
ThrottlePacketCallback callback1;
PacketProfile profile1;
DateTime time1;
PacketReader reader1;
NetState state1 = ns;
lock (ns)
{
queue1 = ns.Buffer;
if (queue1 == null)
{
return(true);
}
num1 = queue1.Length;
if (ns.Seeded)
{
goto Label_0250;
}
if (num1 >= 4)
{
queue1.Dequeue(this.m_Peek, 0, 4);
num2 = ((((this.m_Peek[0] << 24) | (this.m_Peek[1] << 16)) | (this.m_Peek[2] << 8)) | this.m_Peek[3]);
if (num2 == 0)
{
Console.WriteLine("Login: {0}: Invalid client detected, disconnecting", ns);
ns.Dispose();
return(false);
}
ns.m_Seed = num2;
ns.Seeded = true;
}
return(true);
Label_009D:
queue1.Peek(this.m_Peek, 0, 1);
num3 = this.m_Peek[0];
if (((!ns.SentFirstPacket && (num3 != 241)) && ((num3 != 207) && (num3 != 128))) && ((num3 != 145) && (num3 != 164)))
{
Console.WriteLine("Client: {0}: Encrypted client detected, disconnecting", ns);
ns.Dispose();
goto Label_0269;
}
handler1 = PacketHandlers.GetHandler(num3);
if (handler1 == null)
{
buffer1 = queue1.Dequeue(num1);
new PacketReader(buffer1, 0).Trace(ns);
goto Label_0269;
}
num4 = handler1.Length;
if (num4 <= 0)
{
if (num1 < 3)
{
goto Label_0269;
}
queue1.Peek(this.m_Peek, 0, 3);
num4 = ((this.m_Peek[1] << 8) | this.m_Peek[2]);
if (num4 < 3)
{
ns.Dispose();
goto Label_0269;
}
}
if (num1 < num4)
{
goto Label_0269;
}
if (handler1.Ingame && (ns.Mobile == null))
{
Console.WriteLine("Client: {0}: Sent ingame packet (0x{1:X2}) before having been attached to a mobile", ns, num3);
ns.Dispose();
goto Label_0269;
}
if (handler1.Ingame && ns.Mobile.Deleted)
{
ns.Dispose();
goto Label_0269;
}
callback1 = handler1.ThrottleCallback;
if ((callback1 != null) && !callback1.Invoke(ns))
{
this.m_Throttled.Enqueue(ns);
return(false);
}
profile1 = PacketProfile.GetIncomingProfile(num3);
time1 = ((profile1 == null) ? DateTime.MinValue : DateTime.Now);
reader1 = new PacketReader(queue1.Dequeue(num4), (handler1.Length != 0));
handler1.OnReceive(ns, reader1);
num1 = queue1.Length;
if (profile1 != null)
{
profile1.Record(num4, ((TimeSpan)(DateTime.Now - time1)));
}
Label_0250:
if (num1 > 0)
{
if (ns.Running)
{
goto Label_009D;
}
}
}
Label_0269:
return(true);
}
public void HandleReceive(NetState ns)
{
ByteQueue buffer = ns.Buffer;
if (buffer == null || buffer.Length <= 0)
{
return;
}
lock (buffer)
{
if (!ns.Seeded && !HandleSeed(ns, buffer))
{
return;
}
int length = buffer.Length;
while (length > 0 && ns.Running)
{
int packetID = buffer.GetPacketID();
if (CheckEncrypted(ns, packetID))
{
return;
}
PacketHandler handler = ns.GetHandler(packetID);
if (handler == null)
{
byte[] data = new byte[length];
length = buffer.Dequeue(data, 0, length);
new PacketReader(data, length, false).Trace(ns);
return;
}
int packetLength = handler.Length;
if (packetLength <= 0)
{
if (length >= 3)
{
packetLength = buffer.GetPacketLength();
if (packetLength < 3)
{
ns.Dispose();
return;
}
}
else
{
return;
}
}
if (length < packetLength)
{
return;
}
if (handler.Ingame)
{
if (ns.Mobile == null)
{
Utility.PushColor(ConsoleColor.Red);
Console.WriteLine("Client: {0}: Packet (0x{1:X2}) Requires State Mobile", ns, packetID);
Utility.PopColor();
ns.Dispose();
return;
}
if (ns.Mobile.Deleted)
{
Utility.PushColor(ConsoleColor.Red);
Console.WriteLine("Client: {0}: Packet (0x{1:X2}) Ivalid State Mobile", ns, packetID);
Utility.PopColor();
ns.Dispose();
return;
}
}
ThrottlePacketCallback throttler = handler.ThrottleCallback;
if (throttler != null)
{
if (!throttler(ns, out bool drop))
{
if (!drop)
{
m_Throttled.Enqueue(ns);
}
else
{
buffer.Dequeue(new byte[packetLength], 0, packetLength);
}
return;
}
}
PacketReceiveProfile prof = null;
if (Core.Profiling)
{
prof = PacketReceiveProfile.Acquire(packetID);
}
if (prof != null)
{
prof.Start();
}
byte[] packetBuffer;
if (BufferSize >= packetLength)
{
packetBuffer = m_Buffers.AcquireBuffer();
}
else
{
packetBuffer = new byte[packetLength];
}
packetLength = buffer.Dequeue(packetBuffer, 0, packetLength);
if (packetBuffer != null && packetBuffer.Length > 0 && packetLength > 0)
{
PacketReader r = new PacketReader(packetBuffer, packetLength, handler.Length != 0);
handler.OnReceive(ns, r);
if (BufferSize >= packetLength)
{
m_Buffers.ReleaseBuffer(packetBuffer);
}
}
if (prof != null)
{
prof.Finish(packetLength);
}
length = buffer.Length;
}
}
}
public bool HandleReceive(NetState ns)
{
lock ( ns )
{
ByteQueue buffer = ns.Buffer;
if (buffer == null)
{
return(true);
}
int length = buffer.Length;
if (!ns.Seeded)
{
if (length >= 4)
{
buffer.Dequeue(m_Peek, 0, 4);
int seed = (m_Peek[0] << 24) | (m_Peek[1] << 16) | (m_Peek[2] << 8) | m_Peek[3];
//Console.WriteLine( "Login: {0}: Seed is 0x{1:X8}", ns, seed );
if (seed == 0)
{
Console.WriteLine("Login: {0}: Invalid client detected, disconnecting", ns);
ns.Dispose();
return(false);
}
ns.m_Seed = seed;
ns.Seeded = true;
}
return(true);
}
//Console.WriteLine( "{" );
while (length > 0 && ns.Running)
{
int packetID = buffer.GetPacketID();
if (!ns.SentFirstPacket && packetID != 0xF1 && packetID != 0xCF && packetID != 0x80 && packetID != 0x91 && packetID != 0xA4 && packetID != 0xBF)
{
Console.WriteLine("Client: {0}: Encrypted client detected, disconnecting", ns);
ns.Dispose();
break;
}
PacketHandler handler = PacketHandlers.GetHandler(packetID);
if (handler == null)
{
byte[] data = new byte[length];
length = buffer.Dequeue(data, 0, length);
new PacketReader(data, length, false).Trace(ns);
break;
}
int packetLength = handler.Length;
if (packetLength <= 0)
{
if (length >= 3)
{
packetLength = buffer.GetPacketLength();
if (packetLength < 3)
{
ns.Dispose();
break;
}
}
else
{
break;
}
}
if (length >= packetLength)
{
if (handler.Ingame && ns.Mobile == null)
{
Console.WriteLine("Client: {0}: Sent ingame packet (0x{1:X2}) before having been attached to a mobile", ns, packetID);
ns.Dispose();
break;
}
else if (handler.Ingame && ns.Mobile.Deleted)
{
ns.Dispose();
break;
}
else
{
ThrottlePacketCallback throttler = handler.ThrottleCallback;
if (throttler != null && !throttler(ns))
{
m_Throttled.Enqueue(ns);
//Console.WriteLine( "}" );
return(false);
}
//Console.WriteLine( handler.OnReceive.Method.Name );
PacketProfile profile = PacketProfile.GetIncomingProfile(packetID);
DateTime start = (profile == null ? DateTime.MinValue : DateTime.Now);
byte[] packetBuffer;
if (BufferSize >= packetLength)
{
packetBuffer = m_Buffers.AquireBuffer();
}
else
{
packetBuffer = new byte[packetLength];
}
packetLength = buffer.Dequeue(packetBuffer, 0, packetLength);
PacketReader r = new PacketReader(packetBuffer, packetLength, handler.Length != 0);
try {
handler.OnReceive(ns, r);
} catch (Exception e) {
Console.WriteLine("Exception disarmed in HandleReceive from {0}: {1}",
ns.Address, e);
}
length = buffer.Length;
if (BufferSize >= packetLength)
{
m_Buffers.ReleaseBuffer(packetBuffer);
}
if (profile != null)
{
profile.Record(packetLength, DateTime.Now - start);
}
//Console.WriteLine( "Client: {0}: Unhandled packet 0x{1:X2}", ns, packetID );
//Utility.FormatBuffer( Console.Out, new System.IO.MemoryStream( r.Buffer ), r.Buffer.Length );
}
}
else
{
break;
}
}
//Console.WriteLine( "}" );
}
return(true);
}
public bool HandleReceive(NetState ns)
{
ByteQueue buffer = ns.Buffer;
if (buffer == null || buffer.Length <= 0)
{
return(true);
}
lock ( buffer )
{
int length = buffer.Length;
if (!ns.Seeded)
{
if (buffer.GetPacketID() == 0xEF)
{
// new packet in client 6.0.5.0 replaces the traditional seed method with a seed packet
// 0xEF = 239 = multicast IP, so this should never appear in a normal seed. So this is backwards compatible with older clients.
ns.Seeded = true;
}
else if (buffer.Length >= 4)
{
buffer.Dequeue(m_Peek, 0, 4);
int seed = (m_Peek[0] << 24) | (m_Peek[1] << 16) | (m_Peek[2] << 8) | m_Peek[3];
if (seed == 0)
{
Console.WriteLine("Login: {0}: Invalid client detected, disconnecting", ns);
ns.Dispose();
return(false);
}
ns.m_Seed = seed;
ns.Seeded = true;
length = buffer.Length;
}
else
{
return(true);
}
}
while (length > 0 && ns.Running)
{
int packetID = buffer.GetPacketID();
if (!ns.SentFirstPacket && packetID != 0xF0 && packetID != 0xF1 && packetID != 0xCF && packetID != 0x80 && packetID != 0x91 && packetID != 0xA4 && packetID != 0xEF)
{
Console.WriteLine("Client: {0}: Encrypted client detected, disconnecting", ns);
ns.Dispose();
break;
}
PacketHandler handler = ns.GetHandler(packetID);
if (handler == null)
{
byte[] data = new byte[length];
length = buffer.Dequeue(data, 0, length);
new PacketReader(data, length, false).Trace(ns);
break;
}
int packetLength = handler.Length;
if (packetLength <= 0)
{
if (length >= 3)
{
packetLength = buffer.GetPacketLength();
if (packetLength < 3)
{
ns.Dispose();
break;
}
}
else
{
break;
}
}
if (length >= packetLength)
{
if (handler.Ingame && ns.Mobile == null)
{
Console.WriteLine("Client: {0}: Sent ingame packet (0x{1:X2}) before having been attached to a mobile", ns, packetID);
ns.Dispose();
break;
}
else if (handler.Ingame && ns.Mobile.Deleted)
{
ns.Dispose();
break;
}
else
{
ThrottlePacketCallback throttler = handler.ThrottleCallback;
if (throttler != null && !throttler(ns))
{
m_Throttled.Enqueue(ns);
return(false);
}
PacketReceiveProfile prof = PacketReceiveProfile.Acquire(packetID);
if (prof != null)
{
prof.Start();
}
byte[] packetBuffer;
if (BufferSize >= packetLength)
{
packetBuffer = m_Buffers.AcquireBuffer();
}
else
{
packetBuffer = new byte[packetLength];
}
packetLength = buffer.Dequeue(packetBuffer, 0, packetLength);
PacketReader r = new PacketReader(packetBuffer, packetLength, handler.Length != 0);
handler.OnReceive(ns, r);
length = buffer.Length;
if (BufferSize >= packetLength)
{
m_Buffers.ReleaseBuffer(packetBuffer);
}
if (prof != null)
{
prof.Finish(packetLength);
}
}
}
else
{
break;
}
}
}
return(true);
}
public static void DisplayGumpResponse(NetState state, CircularBufferReader reader)
{
var serial = reader.ReadUInt32();
var typeID = reader.ReadInt32();
var buttonID = reader.ReadInt32();
foreach (var gump in state.Gumps)
{
if (gump.Serial != serial || gump.TypeID != typeID)
{
continue;
}
var buttonExists = buttonID == 0; // 0 is always 'close'
if (!buttonExists)
{
foreach (var e in gump.Entries)
{
if (e is GumpButton button && button.ButtonID == buttonID)
{
buttonExists = true;
break;
}
if (e is GumpImageTileButton tileButton && tileButton.ButtonID == buttonID)
{
buttonExists = true;
break;
}
}
}
if (!buttonExists)
{
state.WriteConsole("Invalid gump response, disconnecting...");
state.Dispose();
return;
}
var switchCount = reader.ReadInt32();
if (switchCount < 0 || switchCount > gump.m_Switches)
{
state.WriteConsole("Invalid gump response, disconnecting...");
state.Dispose();
return;
}
var switches = new int[switchCount];
for (var j = 0; j < switches.Length; ++j)
{
switches[j] = reader.ReadInt32();
}
var textCount = reader.ReadInt32();
if (textCount < 0 || textCount > gump.m_TextEntries)
{
state.WriteConsole("Invalid gump response, disconnecting...");
state.Dispose();
return;
}
var textEntries = new TextRelay[textCount];
for (var j = 0; j < textEntries.Length; ++j)
{
int entryID = reader.ReadUInt16();
int textLength = reader.ReadUInt16();
if (textLength > 239)
{
state.WriteConsole("Invalid gump response, disconnecting...");
state.Dispose();
return;
}
var text = reader.ReadBigUniSafe(textLength);
textEntries[j] = new TextRelay(entryID, text);
}
state.RemoveGump(gump);
var prof = GumpProfile.Acquire(gump.GetType());
prof?.Start();
gump.OnResponse(state, new RelayInfo(buttonID, switches, textEntries));
prof?.Finish();
return;
}
if (typeID == 461)
{
// Virtue gump
var switchCount = reader.ReadInt32();
if (buttonID == 1 && switchCount > 0)
{
var beheld = World.FindMobile(reader.ReadUInt32());
if (beheld != null)
{
EventSink.InvokeVirtueGumpRequest(state.Mobile, beheld);
}
}
else
{
var beheld = World.FindMobile(serial);
if (beheld != null)
{
EventSink.InvokeVirtueItemRequest(state.Mobile, beheld, buttonID);
}
}
}
}
public void HandleReceive(NetState ns)
{
ByteQueue buffer = ns.Buffer;
if (buffer == null || buffer.Length <= 0)
{
return;
}
lock (buffer)
{
if (!ns.Seeded)
{
if (!HandleSeed(ns, buffer))
{
return;
}
}
int length = buffer.Length;
while (length > 0 && ns.Running)
{
int packetID = buffer.GetPacketID();
if (CheckEncrypted(ns, packetID))
{
break;
}
PacketHandler handler = ns.GetHandler(packetID);
if (handler == null)
{
var data = new byte[length];
length = buffer.Dequeue(data, 0, length);
new PacketReader(data, length, false).Trace(ns);
break;
}
int packetLength = handler.Length;
if (packetLength <= 0)
{
if (length >= 3)
{
packetLength = buffer.GetPacketLength();
if (packetLength < 3)
{
ns.Dispose();
break;
}
}
else
{
break;
}
}
if (length >= packetLength)
{
if (handler.Ingame)
{
if (ns.Mobile == null)
{
Utility.PushColor(ConsoleColor.DarkRed);
Console.WriteLine(
"Client: {0}: Sent ingame packet (0x{1:X2}) before having been attached to a mobile", ns, packetID);
Utility.PopColor();
ns.Dispose();
break;
}
else if (ns.Mobile.Deleted)
{
ns.Dispose();
break;
}
}
ThrottlePacketCallback throttler = handler.ThrottleCallback;
if (throttler != null && !throttler(ns))
{
m_Throttled.Enqueue(ns);
return;
}
PacketReceiveProfile prof = null;
if (Core.Profiling)
{
prof = PacketReceiveProfile.Acquire(packetID);
}
if (prof != null)
{
prof.Start();
}
byte[] packetBuffer;
if (BufferSize >= packetLength)
{
packetBuffer = m_Buffers.AcquireBuffer();
}
else
{
packetBuffer = new byte[packetLength];
}
packetLength = buffer.Dequeue(packetBuffer, 0, packetLength);
PacketReader r = new PacketReader(packetBuffer, packetLength, handler.Length != 0);
handler.OnReceive(ns, r);
length = buffer.Length;
if (BufferSize >= packetLength)
{
m_Buffers.ReleaseBuffer(packetBuffer);
}
if (prof != null)
{
prof.Finish(packetLength);
}
}
else
{
break;
}
}
}
#region Enhance Client
// Would be nicer to detect the enhanced client in clientversion.cs
// It seems that UOKR-EH sends a version number bigger 66.0.0.0, UOSA-EH bigger 67.0.0.0
try
{
if (ns.Version.Major > 8)
{
ns.IsKRClient = true;
}
}
//Standard classic client does not display version this early, so we can rule SA enhanced client out
catch
{
ns.IsKRClient = false;
}
return;
#endregion
}
public void HandleReceive(NetState ns)
{
ByteQueue buffer = ns.Buffer;
if (buffer == null || buffer.Length <= 0)
{
return;
}
lock (buffer)
{
if (!ns.Seeded)
{
if (!HandleSeed(ns, buffer))
{
return;
}
}
int length = buffer.Length;
while (length > 0 && ns.Running)
{
int packetID = buffer.GetPacketID();
if (CheckEncrypted(ns, packetID))
{
break;
}
PacketHandler handler = ns.GetHandler(packetID);
if (handler == null)
{
byte[] data = new byte[length];
length = buffer.Dequeue(data, 0, length);
new PacketReader(data, length, false).Trace(ns);
break;
}
int packetLength = handler.Length;
if (packetLength <= 0)
{
if (length >= 3)
{
packetLength = buffer.GetPacketLength();
if (packetLength < 3)
{
ns.Dispose();
break;
}
}
else
{
break;
}
}
if (length >= packetLength)
{
if (handler.Ingame)
{
if (ns.Mobile == null)
{
Utility.WriteConsole(ConsoleColor.Yellow, "Client: {0}: Sent ingame packet (0x{1:X2}) before having been attached to a mobile", ns, packetID);
ns.Dispose();
break;
}
else if (ns.Mobile.Deleted)
{
ns.Dispose();
break;
}
}
ThrottlePacketCallback throttler = handler.ThrottleCallback;
if (throttler != null && !throttler(ns))
{
m_Throttled.Enqueue(ns);
return;
}
PacketReceiveProfile prof = null;
if (Core.Profiling)
{
prof = PacketReceiveProfile.Acquire(packetID);
}
if (prof != null)
{
prof.Start();
}
byte[] packetBuffer;
if (BufferSize >= packetLength)
{
packetBuffer = m_Buffers.AcquireBuffer();
}
else
{
packetBuffer = new byte[packetLength];
}
packetLength = buffer.Dequeue(packetBuffer, 0, packetLength);
PacketReader r = new PacketReader(packetBuffer, packetLength, handler.Length != 0);
handler.OnReceive(ns, r);
length = buffer.Length;
if (BufferSize >= packetLength)
{
m_Buffers.ReleaseBuffer(packetBuffer);
}
if (prof != null)
{
prof.Finish(packetLength);
}
}
else
{
break;
}
}
}
}
public static void AccountLogin( NetState state, PacketReader pvSrc )
{
if ( state.SentFirstPacket )
{
state.Dispose();
return;
}
state.SentFirstPacket = true;
string username = pvSrc.ReadString( 30 );
string password = pvSrc.ReadString( 30 );
AccountLoginEventArgs e = new AccountLoginEventArgs( state, username, password );
try {
EventSink.InvokeAccountLogin(e);
} catch (Exception ex) {
Console.WriteLine("Exception disarmed in AccountLogin {0}: {1}",
username, ex);
}
if ( e.Accepted )
AccountLogin_ReplyAck( state );
else
AccountLogin_ReplyRej( state, e.RejectReason );
}
public static void DisplayGumpResponse( NetState state, PacketReader pvSrc )
{
int serial = pvSrc.ReadInt32();
int typeID = pvSrc.ReadInt32();
int buttonID = pvSrc.ReadInt32();
foreach ( Gump gump in state.Gumps )
{
if ( gump.Serial == serial && gump.TypeID == typeID )
{
int switchCount = pvSrc.ReadInt32();
if ( switchCount < 0 || switchCount > gump.m_Switches )
{
log.InfoFormat("Client: {0}: Invalid gump response, disconnecting...", state);
state.Dispose();
return;
}
int[] switches = new int[switchCount];
for ( int j = 0; j < switches.Length; ++j )
switches[j] = pvSrc.ReadInt32();
int textCount = pvSrc.ReadInt32();
if ( textCount < 0 || textCount > gump.m_TextEntries )
{
log.InfoFormat("Client: {0}: Invalid gump response, disconnecting...", state );
state.Dispose();
return;
}
TextRelay[] textEntries = new TextRelay[textCount];
for ( int j = 0; j < textEntries.Length; ++j )
{
int entryID = pvSrc.ReadUInt16();
int textLength = pvSrc.ReadUInt16();
if ( textLength > 239 )
return;
string text = pvSrc.ReadUnicodeStringSafe( textLength );
textEntries[j] = new TextRelay( entryID, text );
}
state.RemoveGump( gump );
try {
gump.OnResponse( state, new RelayInfo( buttonID, switches, textEntries ) );
} catch (Exception e) {
log.Fatal(String.Format("Exception disarmed in gump response of {0}",
gump), e);
}
return;
}
}
if ( typeID == 461 ) // Virtue gump
{
int switchCount = pvSrc.ReadInt32();
if ( buttonID == 1 && switchCount > 0 )
{
Mobile beheld = World.FindMobile( pvSrc.ReadInt32() );
if ( beheld != null )
EventSink.InvokeVirtueGumpRequest( new VirtueGumpRequestEventArgs( state.Mobile, beheld ) );
}
else
{
Mobile beheld = World.FindMobile( serial );
if ( beheld != null )
EventSink.InvokeVirtueItemRequest( new VirtueItemRequestEventArgs( state.Mobile, beheld, buttonID ) );
}
}
}
public static void PlayCharacter( NetState state, PacketReader pvSrc )
{
pvSrc.ReadInt32(); // 0xEDEDEDED
/*string name = */pvSrc.ReadString( 30 );
pvSrc.Seek( 2, SeekOrigin.Current );
int flags = pvSrc.ReadInt32();
pvSrc.Seek( 24, SeekOrigin.Current );
int charSlot = pvSrc.ReadInt32();
/*int clientIP = */pvSrc.ReadInt32();
IAccount a = state.Account;
if ( a == null || charSlot < 0 || charSlot >= a.Length )
{
state.Dispose();
}
else
{
Mobile m = a[charSlot];
// Check if anyone is using this account
for ( int i = 0; i < a.Length; ++i )
{
Mobile check = a[i];
if ( check != null && check.Map != Map.Internal && check != m )
{
log.InfoFormat("Login: {0}: Account in use", state);
state.Send( new PopupMessage( PMMessage.CharInWorld ) );
return;
}
}
if ( m == null )
{
state.Dispose();
}
else
{
if ( m.NetState != null )
m.NetState.Dispose();
NetState.ProcessDisposedQueue();
state.Send( new ClientVersionReq() );
state.BlockAllPackets = true;
state.Flags = flags;
state.Mobile = m;
m.NetState = state;
new LoginTimer( state, m ).Start();
}
}
}
public bool HandleReceive( NetState ns )
{
lock ( ns )
{
ByteQueue buffer = ns.Buffer;
if ( buffer == null )
return true;
int length = buffer.Length;
if ( !ns.Seeded )
{
if ( length >= 4 )
{
buffer.Dequeue( m_Peek, 0, 4 );
int seed = (m_Peek[0] << 24) | (m_Peek[1] << 16) | (m_Peek[2] << 8) | m_Peek[3];
//Console.WriteLine( "Login: {0}: Seed is 0x{1:X8}", ns, seed );
if ( seed == 0 )
{
Console.WriteLine( "Login: {0}: Invalid client detected, disconnecting", ns );
ns.Dispose();
return false;
}
ns.m_Seed = seed;
ns.Seeded = true;
}
return true;
}
//Console.WriteLine( "{" );
while ( length > 0 && ns.Running )
{
int packetID = buffer.GetPacketID();
if ( !ns.SentFirstPacket && packetID != 0xF1 && packetID != 0xCF && packetID != 0x80 && packetID != 0x91 && packetID != 0xA4 )
{
Console.WriteLine( "Client: {0}: Encrypted client detected, disconnecting", ns );
ns.Dispose();
break;
}
PacketHandler handler = PacketHandlers.GetHandler( packetID );
if ( handler == null )
{
byte[] data = new byte[length];
length = buffer.Dequeue( data, 0, length );
new PacketReader( data, length, false ).Trace( ns );
break;
}
int packetLength = handler.Length;
if ( packetLength <= 0 )
{
if ( length >= 3 )
{
packetLength = buffer.GetPacketLength();
if ( packetLength < 3 )
{
ns.Dispose();
break;
}
}
else
{
break;
}
}
if ( length >= packetLength )
{
if ( handler.Ingame && ns.Mobile == null )
{
Console.WriteLine( "Client: {0}: Sent ingame packet (0x{1:X2}) before having been attached to a mobile", ns, packetID );
ns.Dispose();
break;
}
else if ( handler.Ingame && ns.Mobile.Deleted )
{
ns.Dispose();
break;
}
else
{
ThrottlePacketCallback throttler = handler.ThrottleCallback;
if ( throttler != null && !throttler( ns ) )
{
m_Throttled.Enqueue( ns );
//Console.WriteLine( "}" );
return false;
}
//Console.WriteLine( handler.OnReceive.Method.Name );
PacketProfile profile = PacketProfile.GetIncomingProfile( packetID );
DateTime start = ( profile == null ? DateTime.MinValue : DateTime.Now );
byte[] packetBuffer;
if ( BufferSize >= packetLength )
packetBuffer = m_Buffers.AquireBuffer();
else
packetBuffer = new byte[packetLength];
packetLength = buffer.Dequeue( packetBuffer, 0, packetLength );
PacketReader r = new PacketReader( packetBuffer, packetLength, handler.Length != 0 );
handler.OnReceive( ns, r );
length = buffer.Length;
if ( BufferSize >= packetLength )
m_Buffers.ReleaseBuffer( packetBuffer );
if ( profile != null )
profile.Record( packetLength, DateTime.Now - start );
//Console.WriteLine( "Client: {0}: Unhandled packet 0x{1:X2}", ns, packetID );
//Utility.FormatBuffer( Console.Out, new System.IO.MemoryStream( r.Buffer ), r.Buffer.Length );
}
}
else
{
break;
}
}
//Console.WriteLine( "}" );
}
return true;
}
public static void CreateCharacter( NetState state, PacketReader pvSrc )
{
/*int unk1 = */pvSrc.ReadInt32();
/*int unk2 = */pvSrc.ReadInt32();
/*int unk3 = */pvSrc.ReadByte();
string name = pvSrc.ReadString( 30 );
pvSrc.Seek( 2, SeekOrigin.Current );
int flags = pvSrc.ReadInt32();
pvSrc.Seek( 8, SeekOrigin.Current );
int prof = pvSrc.ReadByte();
pvSrc.Seek( 15, SeekOrigin.Current );
bool female = pvSrc.ReadByte() > 0 ? true : false;
/*int genderRace = pvSrc.ReadByte();*/
int str = pvSrc.ReadByte();
int dex = pvSrc.ReadByte();
int intl= pvSrc.ReadByte();
int is1 = pvSrc.ReadByte();
int vs1 = pvSrc.ReadByte();
int is2 = pvSrc.ReadByte();
int vs2 = pvSrc.ReadByte();
int is3 = pvSrc.ReadByte();
int vs3 = pvSrc.ReadByte();
int hue = pvSrc.ReadUInt16();
int hairVal = pvSrc.ReadInt16();
int hairHue = pvSrc.ReadInt16();
int hairValf= pvSrc.ReadInt16();
int hairHuef= pvSrc.ReadInt16();
pvSrc.ReadByte();
int cityIndex = pvSrc.ReadByte();
/*int charSlot = */pvSrc.ReadInt32();
/*int clientIP = */pvSrc.ReadInt32();
int shirtHue = pvSrc.ReadInt16();
int pantsHue = pvSrc.ReadInt16();
CityInfo[] info = state.CityInfo;
IAccount a = state.Account;
if ( info == null || a == null || cityIndex < 0 || cityIndex >= info.Length )
{
state.Dispose();
}
else
{
// Check if anyone is using this account
for ( int i = 0; i < a.Length; ++i )
{
Mobile check = a[i];
if ( check != null && check.Map != Map.Internal )
{
log.InfoFormat("Login: {0}: Account in use", state);
state.Send( new PopupMessage( PMMessage.CharInWorld ) );
return;
}
}
state.Flags = flags;
CharacterCreatedEventArgs args = new CharacterCreatedEventArgs(
state, a,
name, female, hue,
str, dex, intl,
info[cityIndex],
new SkillNameValue[3]
{
new SkillNameValue( (SkillName)is1, vs1 ),
new SkillNameValue( (SkillName)is2, vs2 ),
new SkillNameValue( (SkillName)is3, vs3 ),
},
shirtHue, pantsHue,
hairVal, hairHue,
hairValf, hairHuef,
prof );
state.Send( new ClientVersionReq() );
state.BlockAllPackets = true;
try {
EventSink.InvokeCharacterCreated(args);
} catch (Exception ex) {
log.Fatal(String.Format("Exception disarmed in CharacterCreated {0}",
name), ex);
}
Mobile m = args.Mobile;
if ( m != null )
{
state.Mobile = m;
m.NetState = state;
new LoginTimer( state, m ).Start();
}
else
{
state.BlockAllPackets = false;
state.Dispose();
}
}
}
public static void ExtendedCommand( NetState state, PacketReader pvSrc )
{
int packetID = pvSrc.ReadUInt16();
PacketHandler ph = GetExtendedHandler( packetID );
if ( ph != null )
{
if ( ph.Ingame && state.Mobile == null )
{
Console.WriteLine( "Client: {0}: Sent ingame packet (0xBFx{1:X2}) before having been attached to a mobile", state, packetID );
state.Dispose();
}
else if ( ph.Ingame && state.Mobile.Deleted )
{
state.Dispose();
}
else
{
ph.OnReceive( state, pvSrc );
}
}
else
{
pvSrc.Trace( state );
}
}
private static void GameLoginInternal(NetState state, string username, string password,
bool compressionEnabled)
{
GameLoginEventArgs e = new GameLoginEventArgs( state, username, password );
try {
EventSink.InvokeGameLogin(e);
} catch (Exception ex) {
log.Fatal(String.Format("Exception disarmed in GameLogin {0}",
username), ex);
}
if ( e.Accepted )
{
if (state.Account == null) {
log.ErrorFormat("BUG: GameLogin state.Account==null (username {0})",
username);
state.Dispose();
return;
}
state.CityInfo = e.CityInfo;
state.CompressionEnabled = compressionEnabled;
if ( Core.AOS )
state.Send( SupportedFeatures.Instantiate( state.Account ) );
state.Send( new CharacterList( state.Account, state.CityInfo ) );
}
else
{
state.Dispose();
}
}
public static void CreateCharacter70160( NetState state, PacketReader pvSrc )
{
int unk1 = pvSrc.ReadInt32();
int unk2 = pvSrc.ReadInt32();
int unk3 = pvSrc.ReadByte();
string name = pvSrc.ReadString( 30 );
pvSrc.Seek( 2, SeekOrigin.Current );
int flags = pvSrc.ReadInt32();
pvSrc.Seek( 8, SeekOrigin.Current );
int prof = pvSrc.ReadByte();
pvSrc.Seek( 15, SeekOrigin.Current );
int genderRace = pvSrc.ReadByte();
int str = pvSrc.ReadByte();
int dex = pvSrc.ReadByte();
int intl= pvSrc.ReadByte();
int is1 = pvSrc.ReadByte();
int vs1 = pvSrc.ReadByte();
int is2 = pvSrc.ReadByte();
int vs2 = pvSrc.ReadByte();
int is3 = pvSrc.ReadByte();
int vs3 = pvSrc.ReadByte();
int is4 = pvSrc.ReadByte();
int vs4 = pvSrc.ReadByte();
int hue = pvSrc.ReadUInt16();
int hairVal = pvSrc.ReadInt16();
int hairHue = pvSrc.ReadInt16();
int hairValf= pvSrc.ReadInt16();
int hairHuef= pvSrc.ReadInt16();
pvSrc.ReadByte();
int cityIndex = pvSrc.ReadByte();
int charSlot = pvSrc.ReadInt32();
int clientIP = pvSrc.ReadInt32();
int shirtHue = pvSrc.ReadInt16();
int pantsHue = pvSrc.ReadInt16();
/*
0x00, 0x01
0x02, 0x03 -> Human Male, Human Female
0x04, 0x05 -> Elf Male, Elf Female
0x05, 0x06 -> Gargoyle Male, Gargoyle Female
*/
bool female = ((genderRace % 2) != 0);
Race race = null;
byte raceID = (byte)(genderRace < 4 ? 0 : ((genderRace / 2) - 1));
race = Race.Races[raceID];
if( race == null )
race = Race.DefaultRace;
CityInfo[] info = state.CityInfo;
IAccount a = state.Account;
if ( info == null || a == null || cityIndex < 0 || cityIndex >= info.Length )
{
state.Dispose();
}
else
{
// Check if anyone is using this account
for ( int i = 0; i < a.Length; ++i )
{
Mobile check = a[i];
if ( check != null && check.Map != Map.Internal )
{
Console.WriteLine( "Login: {0}: Account in use", state );
state.Send( new PopupMessage( PMMessage.CharInWorld ) );
return;
}
}
state.Flags = (ClientFlags)flags;
CharacterCreatedEventArgs args = new CharacterCreatedEventArgs(
state, a,
name, female, hue,
str, dex, intl,
info[cityIndex],
new SkillNameValue[4]
{
new SkillNameValue( (SkillName)is1, vs1 ),
new SkillNameValue( (SkillName)is2, vs2 ),
new SkillNameValue( (SkillName)is3, vs3 ),
new SkillNameValue( (SkillName)is4, vs4 ),
},
shirtHue, pantsHue,
hairVal, hairHue,
hairValf, hairHuef,
prof,
race
);
state.Send( new ClientVersionReq() );
state.BlockAllPackets = true;
EventSink.InvokeCharacterCreated( args );
Mobile m = args.Mobile;
if ( m != null )
{
state.Mobile = m;
m.NetState = state;
new LoginTimer( state, m ).Start();
}
else
{
state.BlockAllPackets = false;
state.Dispose();
}
}
}
public static void GameLogin( NetState state, PacketReader pvSrc )
{
if ( state.SentFirstPacket )
{
state.Dispose();
return;
}
state.SentFirstPacket = true;
int authID = pvSrc.ReadInt32();
if (Core.Config.Login.IgnoreAuthID)
AddAuthID(authID);
if ( !IsValidAuthID( authID ) )
{
log.WarnFormat("Login: {0}: Invalid client detected, disconnecting", state);
state.Dispose();
return;
}
else if ( state.m_AuthID != 0 && authID != state.m_AuthID )
{
log.WarnFormat("Login: {0}: Invalid client detected, disconnecting", state);
state.Dispose();
return;
}
else if ( state.m_AuthID == 0 && authID != state.m_Seed )
{
log.WarnFormat("Login: {0}: Invalid client detected, disconnecting", state);
state.Dispose();
return;
}
string username = pvSrc.ReadString( 30 );
string password = pvSrc.ReadString( 30 );
GameLoginInternal(state, username, password, true);
}
public static void PlayServer( NetState state, PacketReader pvSrc )
{
int index = pvSrc.ReadInt16();
ServerInfo[] info = state.ServerInfo;
IAccount a = state.Account;
if ( info == null || a == null || index < 0 || index >= info.Length )
{
state.Dispose();
}
else
{
ServerInfo si = info[index];
state.m_AuthID = PlayServerAck.m_AuthID = GenerateAuthID( state );
state.SentFirstPacket = false;
state.Send( new PlayServerAck( si ) );
}
}
public static void PlayServer( NetState state, PacketReader pvSrc )
{
int index = pvSrc.ReadInt16();
ServerInfo[] info = state.ServerInfo;
IAccount a = state.Account;
if ( info == null || a == null || index < 0 || index >= info.Length )
{
state.Dispose();
}
else
{
ServerInfo si = info[index];
if (state.Username != null && state.Password != null &&
Core.Config.Features["quick-local-connect"] &&
si.Address.ToString() == state.Socket.LocalEndPoint.ToString()) {
/* local connect to this game server which is
login server at the same time: re-use this
connection, emulate a GameLogin packet */
GameLoginInternal(state, state.Username, state.Password, false);
return;
}
// send relay packet to client
state.m_AuthID = PlayServerAck.m_AuthID = GenerateAuthID();
state.SentFirstPacket = false;
state.Send( new PlayServerAck( si ) );
}
}
public static void AccountLogin( NetState state, PacketReader pvSrc )
{
if ( state.SentFirstPacket )
{
state.Dispose();
return;
}
state.SentFirstPacket = true;
string username = pvSrc.ReadString( 30 );
string password = pvSrc.ReadString( 30 );
AccountLoginEventArgs e = new AccountLoginEventArgs( state, username, password );
EventSink.InvokeAccountLogin( e );
if ( e.Accepted )
AccountLogin_ReplyAck( state );
else
AccountLogin_ReplyRej( state, e.RejectReason );
}
public static void AccountLogin( NetState state, PacketReader pvSrc )
{
if ( state.SentFirstPacket )
{
state.Dispose();
return;
}
state.SentFirstPacket = true;
string username = pvSrc.ReadString( 30 );
string password = pvSrc.ReadString( 30 );
AccountLoginEventArgs e = new AccountLoginEventArgs( state, username, password );
try {
EventSink.InvokeAccountLogin(e);
} catch (Exception ex) {
log.Fatal(String.Format("Exception disarmed in AccountLogin {0}",
username), ex);
}
if (e.Accepted && Core.Config.Features["quick-local-connect"]) {
/* we have to remember username+password, because it
is required to emulate a GameLogin packet */
state.Username = username;
state.Password = password;
}
if ( e.Accepted )
AccountLogin_ReplyAck( state );
else
AccountLogin_ReplyRej( state, e.RejectReason );
}
public static void AccountLogin_ReplyRej( NetState state, ALRReason reason )
{
state.Send( new AccountLoginRej( reason ) );
state.Dispose();
}
public static void AccountLogin_ReplyAck( NetState state )
{
ServerListEventArgs e = new ServerListEventArgs( state, state.Account );
try {
EventSink.InvokeServerList(e);
} catch (Exception ex) {
log.Fatal("Exception disarmed in ServerList", ex);
e.Rejected = true;
}
if ( e.Rejected )
{
state.Account = null;
state.Send( new AccountLoginRej( ALRReason.BadComm ) );
state.Dispose();
}
else
{
ServerInfo[] info = (ServerInfo[])e.Servers.ToArray( typeof( ServerInfo ) );
state.ServerInfo = info;
state.Send( new AccountLoginAck( info ) );
}
}
public static bool VerifyGC( NetState state )
{
if ( state.Mobile == null || state.Mobile.AccessLevel <= AccessLevel.Counselor )
{
if ( state.Running )
Console.WriteLine( "Warning: {0}: Player using godclient, disconnecting", state );
state.Dispose();
return false;
}
else
{
return true;
}
}
private static void OnAddAuthID( NetState state, PacketReader pvSrc ) {
if (!state.Super) {
log.WarnFormat("Client {0} attempted to inject an AuthID",
state);
state.Dispose(false);
return;
}
int authID = pvSrc.ReadInt32();
/*String username =*/ pvSrc.ReadString(30);
AddAuthID(authID);
state.Send(new AddAuthIDAck(authID));
}
public static void DisplayGumpResponse(NetState state, PacketReader pvSrc)
{
int serial = pvSrc.ReadInt32();
int typeID = pvSrc.ReadInt32();
int buttonID = pvSrc.ReadInt32();
List<Gump> gumps = state.Gumps;
for (int i = 0; i < gumps.Count; ++i)
{
Gump gump = gumps[i];
if (gump.Serial == serial && gump.TypeID == typeID)
{
int switchCount = pvSrc.ReadInt32();
if (switchCount < 0)
{
Console.WriteLine("Client: {0}: Invalid gump response, disconnecting...", state);
state.Dispose();
return;
}
int[] switches = new int[switchCount];
for (int j = 0; j < switches.Length; ++j)
switches[j] = pvSrc.ReadInt32();
int textCount = pvSrc.ReadInt32();
if (textCount < 0)
{
Console.WriteLine("Client: {0}: Invalid gump response, disconnecting...", state);
state.Dispose();
return;
}
TextRelay[] textEntries = new TextRelay[textCount];
for (int j = 0; j < textEntries.Length; ++j)
{
int entryID = pvSrc.ReadUInt16();
int textLength = pvSrc.ReadUInt16();
if (textLength > 239)
return;
string text = pvSrc.ReadUnicodeStringSafe(textLength);
textEntries[j] = new TextRelay(entryID, text);
}
state.RemoveGump(i);
if (!CheckResponse(gump, state.Mobile, buttonID))
return;
gump.OnResponse(state, new RelayInfo(buttonID, switches, textEntries));
return;
}
}
if (typeID == 461) // Virtue gump
{
int switchCount = pvSrc.ReadInt32();
if (buttonID == 1 && switchCount > 0)
{
Mobile beheld = World.FindMobile(pvSrc.ReadInt32());
if (beheld != null)
EventSink.InvokeVirtueGumpRequest(new VirtueGumpRequestEventArgs(state.Mobile, beheld));
}
else
{
Mobile beheld = World.FindMobile(serial);
if (beheld != null)
EventSink.InvokeVirtueItemRequest(new VirtueItemRequestEventArgs(state.Mobile, beheld, buttonID));
}
}
}
public static void AccountLogin_ReplyRej(NetState state, ALRReason reason)
{
state.Send(new AccountLoginRej(reason));
state.Dispose();
}