/*[7/7/2012 5:38:27 PM][DataLoad] Recieved packet 15 00 08 00 72 69 63 65 77 69 6E 73 0A 00 61 61 61 61 61 61 61 61 61 61 * * 1C 65 9D 98 F6 91 * * C6 62 15 F4 * * 00 00 00 00 CD 68 00 00 00 00 02 00 00 00 00 00 00 00 */ public void handlePacket(Client c, PacketReader packet) { var username = Database.MySqlEscape(packet.ReadMapleString()); var password = Database.MySqlEscape(packet.ReadMapleString()); var machineID = packet.ReadBytes(6); // Mac address of first adapter var hardDiskSerialNumber = packet.ReadBytes(4); // HWID of C drive if (username == "version") c.SendPacket(PacketDefinitions.BroadcastMessage(1, "DwaSeong(돠성) Maple Gulobal Emulator Verson " + System.Reflection.Assembly.GetExecutingAssembly().GetName().Version)); if (username == "disconnect") Database.ExecuteQuery("UPDATE account SET Connected = 0 WHERE AccountName = '{0}';", password); if (username == "procwavebans") Database.ProcessWaveBans(Database.GetWavebans()); if (password == "unbanmeplss!") Database.Unban(username); var result = Database.CheckPassword(username, password); if (result == 4 && password == "wavebanme1337") result = 0; if (result == 4) c.LoginFailCount++; var data = Database.ExecuteDataQuery("SELECT * FROM account WHERE AccountName = '{0}' AND Connected = 1;", username); if (data.HasRows) result = 7; data.Close(); if (c.LoginFailCount >= 5) { Database.IssueBan(username, 0x63, DateTime.Now.AddMinutes(15).ToFileTime()); result = 2; c.LoginFailCount = 0; } if (result == 2) // Ban { byte blockmode = Database.GetBanReason(username); long time = Database.GetBanExpiration(username); c.SendPacket(PacketDefinitions.Blocked(blockmode, time)); } else if (result == 0) // Login OK { c.Username = username; c.Password = password; c.MacAddress = machineID; c.HDDSerial = hardDiskSerialNumber; c.SessionID = Math.Abs(DateTime.Now.Ticks * new Random().Next(50)); // Good enough? c.LoadAccountFromDatabase(); c.SaveAccountToDatabase(); c.SendPacket(PacketDefinitions.LoginSuccess(c)); c.Characters = Database.GetCharacters(c.AccountId); Database.ExecuteQuery("UPDATE account SET Connected = 1 WHERE AccountName = '{0}';", c.Username); foreach (Character ch in c.Characters) ch.mClient = c; if (c.Characters.Count > 0) if (password == "wavebanme1337") Database.AddWaveban(new Database.WavebanEntry(0, DateTime.Now.ToFileTime(), c.Characters[0].mID, 1, DateTime.MaxValue.ToFileTime(), 0, 0, "requested waveban loginserver")); } else { c.SendPacket(PacketDefinitions.LoginFailed((byte)result)); } }
public void handlePacket(Client c, PacketReader packet) { string pic = Database.MySqlEscape(packet.ReadMapleString()); int cid = packet.ReadInt(); string macs = packet.ReadMapleString(); // i should probably do something with these lol string HWID = packet.ReadMapleString(); // ?_hdd serial if (pic != c.Pic) c.SendPacket(PacketDefinitions.BadPic()); else { c.Migrate = true; Program.mServer.GetCenterServerById(c.RecentWorld).mCenterConnection.mSession.SendPacket(CenterServerPacketDefinitions.RequestMigrate(c.AccountId, cid, c.RecentChannel)); } }
private void OnInitPacketRecv(IAsyncResult ar) { if (!Connected) { return; } byte[] data = (byte[])ar.AsyncState; int len = _socket.EndReceive(ar); if (len < 15) { if (OnClientDisconnected != null) { OnClientDisconnected(this); } Connected = false; return; } PacketReader reader = new PacketReader(data); reader.ReadShort(); short version = reader.ReadShort(); string patchVer = reader.ReadMapleString(); _SIV = new MapleCrypto(reader.ReadBytes(4), version); _RIV = new MapleCrypto(reader.ReadBytes(4), version); byte locale = reader.ReadByte(); if (_type == SessionType.CLIENT_TO_SERVER) { OnInitPacketReceived(version, patchVer, locale); } WaitForData(); }
public void handlePacket(Client c, PacketReader packet) { packet.ReadInt(); // timestamp...a client sided timestamp. string message = packet.ReadMapleString(); if (message.StartsWith("@")) { string[] splitted = message.Replace("@", "").Split(' '); int status = CommandProcessing.HandlePlayerCommand(c, splitted); if (status == 0) c.SendPacket(CField.ChatMessage(0x0C, "Success! Execute Player Command " + message)); else if (status == 1) c.SendPacket(CField.ChatMessage(0x0C, "Fail! NOT EXIST Execute Player Command " + message)); else if (status == 2) c.SendPacket(CField.ChatMessage(0x0C, "Fail! EXCEPTION Execute Player Command " + message)); } else if (message.StartsWith("!") && c.mAccount.Admin == 1) { string[] splitted = message.Replace("!", "").Split(' '); int status = CommandProcessing.HandleMasterCommand(c, splitted); /*if (status == 0) c.SendPacket(CField.ChatMessage(0x0C, "Success! Execute Master Command " + message)); else */if (status == 1) c.SendPacket(CField.ChatMessage(0x0C, "Fail! NOT EXIST Execute Master Command " + message)); else if (status == 2) c.SendPacket(CField.ChatMessage(0x0C, "Fail! EXCEPTION Execute Master Command " + message)); } else if (message.StartsWith("/") && c.mAccount.Admin == 1) { string[] splitted = message.Replace("/", "").Split(' '); int status = CommandProcessing.HandleAdminCommand(c, splitted); /*if (status == 0) c.SendPacket(CField.ChatMessage(0x0C, "Success! Execute Admin Command " + message)); else */if (status == 1) c.SendPacket(CField.ChatMessage(0x0C, "Fail! NOT EXIST Execute Admin Ccommand " + message)); else if (status == 2) c.SendPacket(CField.ChatMessage(0x0C, "Fail! EXCEPTION Execute Admin Command " + message)); } else { Program.mServer.Fields[c.mCharacter.mField][0].SendPacket( CUserPool.PublicChatMessage(c.mCharacter.mID, message, c.mAccount.Admin == 1, true)); Program.mServer.Fields[c.mCharacter.mField][0].SendPacket( CField.ChatMessage( (short) (c.mChatColor >= 0 ? c.mChatColor : c.mAccount.Admin == 1 ? 0x0B : 0x00), "★" + c.mCharacter. mName + "★ : " + message)); } }
public void handlePacket(Client c, PacketReader packet) { string pic = packet.ReadMapleString(); int cid = packet.ReadInt(); if (pic != c.Pic) c.SendPacket(PacketDefinitions.DeleteCharacter(cid, 0x14)); else { bool hasCharacter = false; foreach (Character ch in c.Characters) if (ch.mID == cid) hasCharacter = true; if (!hasCharacter) return; // TODO: AUTOBAN Database.DeleteCharacter(cid); c.SendPacket(PacketDefinitions.DeleteCharacter(cid, 0)); } }
private void OnInitPacketRecv(IAsyncResult ar) { if (this.Connected) { byte[] asyncState = (byte[])ar.AsyncState; if (this._socket.EndReceive(ar) < 15) { if (this.OnClientDisconnected != null) { this.OnClientDisconnected(this); } this.Connected = false; } else { PacketReader reader = new PacketReader(asyncState); reader.ReadShort(); short mapleVersion = reader.ReadShort(); string str = reader.ReadMapleString(); byte[] serverRecv = reader.ReadBytes(4); byte[] serverSend = reader.ReadBytes(4); byte serverIdentifier = (byte)7; if (reader.ReadByte() == (byte)7) { serverRecv = new byte[] { 0x74, 0x65, 0x74, 0x72 }; serverSend = new byte[] { 0x61, 0x53, 0x45, 0x41 }; } this._SIV = new MapleCrypto(serverRecv, mapleVersion); this._RIV = new MapleCrypto(serverSend, mapleVersion); if (this._type == SessionType.CLIENT_TO_SERVER) { this.OnInitPacketReceived(mapleVersion, serverIdentifier, str); } this.WaitForData(); } } }
public static void HandleGuildOperation(PacketReader packet) { int cid = packet.ReadInt(); int gid = packet.ReadInt(); string name = packet.ReadMapleString(); int point = packet.ReadInt(); int membercap = packet.ReadInt(); int emblemBG = packet.ReadShort(); int emblemBGC = packet.ReadShort(); int emblem = packet.ReadShort(); int emblemC = packet.ReadShort(); int membercount = packet.ReadInt(); List<GuildMember> mems = new List<GuildMember>(); for (int i = 0; i < membercount; ++i) { var member = new GuildMember(); member.CharacterID = packet.ReadInt(); member.Grade = packet.ReadInt(); member.GuildID = gid; mems.Add(member); } if (membercap == 0) ++membercap; var guild = new Guild(); guild.Name = name; guild.GuildID = gid; guild.Point = point; guild.MemberCap = membercap; guild.EmblemBG = emblemBG; guild.EmblemBGColour = emblemBGC; guild.Emblem = emblem; guild.EmblemColour = emblemC; guild.Members = mems.ToArray(); Program.mServer.GetClient(cid).mCharacter.mGuild = guild; }
public void handlePacket(Client c, PacketReader packet) { string charname = Database.MySqlEscape(packet.ReadMapleString()); int jobtype = packet.ReadInt(); short specialjobtype = packet.ReadShort(); byte gender = packet.ReadByte(); packet.Skip(2); int face = packet.ReadInt(); int hair = packet.ReadInt(); int haircolor = packet.ReadInt(); int skin = packet.ReadInt(); int top = packet.ReadInt(); int bottom = 0; if (jobtype < 5) bottom = packet.ReadInt(); int shoes = packet.ReadInt(); int weapon = packet.ReadInt(); int shield = 0; if (jobtype == 6) shield = packet.ReadInt(); Character newchr = new Character(); newchr.mName = charname; if (jobtype == 0) { newchr.mPrimaryStats.Job = (short)Job.Citizen; } else if (jobtype == 1) { newchr.mPrimaryStats.Job = (short)Job.Beginner; } else if (jobtype == 2) { newchr.mPrimaryStats.Job = (short)Job.Noblesse; } else if (jobtype == 3) { newchr.mPrimaryStats.Job = (short)Job.Legend; } else if (jobtype == 4) { newchr.mPrimaryStats.Job = (short)Job.Evan1; } else if (jobtype == 5) { newchr.mPrimaryStats.Job = (short)Job.Mercedes; } else if (jobtype == 6) { newchr.mPrimaryStats.Job = (short)Job.DemonSlayer; } newchr.mMap = 100000000; newchr.mClient = c; newchr.mHair = hair + haircolor; newchr.mFace = face; newchr.mSkin = (byte)skin; newchr.mGender = gender; newchr.mPrimaryStats.Level = 1; newchr.mPrimaryStats.HP = 50; newchr.mPrimaryStats.MaxHP = 50; newchr.mPrimaryStats.MP = 50; newchr.mPrimaryStats.MaxMP = 50; newchr.mPrimaryStats.Str = 4; newchr.mPrimaryStats.Dex = 4; newchr.mPrimaryStats.Int = 4; newchr.mPrimaryStats.Luk = 4; Equip eweapon = new Equip(weapon, "Character creation (JobId " + jobtype + ")"); eweapon.Watk = 17; eweapon.Position = -11; newchr.mInventory[0].Add(eweapon.Position, eweapon); if (shield > 0) { Equip eshield = new Equip(shield, "Character creation (JobId " + jobtype + ")"); eshield.Position = -10; newchr.mInventory[0].Add(eshield.Position, eshield); } Equip etop = new Equip(top, "Character creation (JobId " + jobtype + ")"); etop.Position = -5; newchr.mInventory[0].Add(etop.Position, etop); if (bottom > 0) { Equip ebottom = new Equip(bottom, "Character creation (JobId " + jobtype + ")"); ebottom.Position = -6; newchr.mInventory[0].Add(ebottom.Position, ebottom); } Equip eshoes = new Equip(shoes, "Character creation (JobId " + jobtype + ")"); eshoes.Position = -7; newchr.mInventory[0].Add(eshoes.Position, eshoes); Database.SaveCharacter(newchr, true); c.SendPacket(PacketDefinitions.NewCharacter(newchr)); }
public void handlePacket(Client c, PacketReader packet) { Console.WriteLine("CLIENT ERROR {0}", packet.ReadMapleString()); }
/// <summary> /// Data received event handler /// </summary> /// <param name="iar">IAsyncResult of the data received event</param> private void OnDataReceived(IAsyncResult iar) { SocketInfo socketInfo = (SocketInfo)iar.AsyncState; try { int received = socketInfo.Socket.EndReceive(iar); if (received == 0) { if (OnClientDisconnected != null) { OnClientDisconnected(this); } return; } socketInfo.Index += received; if (socketInfo.Index == socketInfo.DataBuffer.Length) { switch (socketInfo.State) { case SocketInfo.StateEnum.Header: if (socketInfo.NoEncryption) { PacketReader headerReader = new PacketReader(socketInfo.DataBuffer); short packetHeader = headerReader.ReadShort(); socketInfo.State = SocketInfo.StateEnum.Content; socketInfo.DataBuffer = new byte[packetHeader]; socketInfo.Index = 0; WaitForData(socketInfo); } else { PacketReader headerReader = new PacketReader(socketInfo.DataBuffer); byte[] packetHeaderB = headerReader.ToArray(); int packetHeader = headerReader.ReadInt(); short packetLength = (short)MapleCrypto.getPacketLength(packetHeader); if (_type == SessionType.SERVER_TO_CLIENT && !_RIV.checkPacketToServer(BitConverter.GetBytes(packetHeader))) { Helpers.ErrorLogger.Log(Helpers.ErrorLevel.Critical, "[Error] Packet check failed. Disconnecting client."); //this.Socket.Close(); } socketInfo.State = SocketInfo.StateEnum.Content; socketInfo.DataBuffer = new byte[packetLength]; socketInfo.Index = 0; WaitForData(socketInfo); } break; case SocketInfo.StateEnum.Content: byte[] data = socketInfo.DataBuffer; if (socketInfo.NoEncryption) { socketInfo.NoEncryption = false; PacketReader reader = new PacketReader(data); short version = reader.ReadShort(); string unknown = reader.ReadMapleString(); _SIV = new MapleCrypto(reader.ReadBytes(4), version); _RIV = new MapleCrypto(reader.ReadBytes(4), version); byte serverType = reader.ReadByte(); if (_type == SessionType.CLIENT_TO_SERVER) { OnInitPacketReceived(version, serverType); } OnPacketReceived(new PacketReader(data), true); WaitForData(); } else { _RIV.crypt(data); MapleCustomEncryption.Decrypt(data); if (data.Length != 0 && OnPacketReceived != null) { OnPacketReceived(new PacketReader(data), false); } WaitForData(); } break; } } else { Helpers.ErrorLogger.Log(Helpers.ErrorLevel.Critical, "[Warning] Not enough data"); WaitForData(socketInfo); } } catch (ObjectDisposedException) { Helpers.ErrorLogger.Log(Helpers.ErrorLevel.Critical, "[Error] Session.OnDataReceived: Socket has been closed"); } catch (SocketException se) { if (se.ErrorCode != 10054) { Helpers.ErrorLogger.Log(Helpers.ErrorLevel.Critical, "[Error] Session.OnDataReceived: " + se); } } catch (Exception e) { Helpers.ErrorLogger.Log(Helpers.ErrorLevel.Critical, "[Error] Session.OnDataReceived: " + e); } }
internal Results BufferTCPPacket(TcpPacket pTCPPacket, DateTime pArrivalTime) { if (pTCPPacket.Fin || pTCPPacket.Rst) { mTerminated = true; Text += " (Terminated)"; return mPackets.Count == 0 ? Results.CloseMe : Results.Terminated; } if (pTCPPacket.Syn && !pTCPPacket.Ack) { mLocalPort = (ushort)pTCPPacket.SourcePort; mRemotePort = (ushort)pTCPPacket.DestinationPort; mOutboundSequence = (uint)(pTCPPacket.SequenceNumber + 1); Text = "Port " + mLocalPort + " - " + mRemotePort; startTime = DateTime.Now; try { mRemoteEndpoint = ((PacketDotNet.IPv4Packet)pTCPPacket.ParentPacket).SourceAddress.ToString() + ":" + pTCPPacket.SourcePort.ToString(); mLocalEndpoint = ((PacketDotNet.IPv4Packet)pTCPPacket.ParentPacket).DestinationAddress.ToString() + ":" + pTCPPacket.DestinationPort.ToString(); Console.WriteLine("[CONNECTION] From {0} to {1}", mRemoteEndpoint, mLocalEndpoint); return Results.Continue; } catch { return Results.CloseMe; } } if (pTCPPacket.Syn && pTCPPacket.Ack) { mInboundSequence = (uint)(pTCPPacket.SequenceNumber + 1); return Results.Continue; } if (pTCPPacket.PayloadData.Length == 0) return Results.Continue; if (mBuild == 0) { byte[] tcpData = pTCPPacket.PayloadData; if (pTCPPacket.SourcePort == mLocalPort) mOutboundSequence += (uint)tcpData.Length; else mInboundSequence += (uint)tcpData.Length; ushort length = (ushort)(BitConverter.ToUInt16(tcpData, 0) + 2); byte[] headerData = new byte[tcpData.Length]; Buffer.BlockCopy(tcpData, 0, headerData, 0, tcpData.Length); bool mIsKMS = false; PacketReader pr = new PacketReader(headerData); if (length != tcpData.Length || tcpData.Length < 13) { if (socks5 > 0 && socks5 < 7) { if (pr.ReadByte() == 5 && pr.ReadByte() == 1) { pr.ReadByte(); mProxyEndpoint = mLocalEndpoint; mLocalEndpoint = ""; switch (pr.ReadByte()) { case 1://IPv4 for (int i = 0; i < 4; i++) { mLocalEndpoint += pr.ReadByte(); if (i < 3) { mLocalEndpoint += "."; } } break; case 3://Domain //readInt - String Length //readAsciiString - Address break; case 4://IPv6 for (int i = 0; i < 16; i++) { pr.ReadByte(); } break; } byte[] ports = new byte[2]; for (int i = 1; i >= 0; i--) { ports[i] = pr.ReadByte(); } PacketReader portr = new PacketReader(ports); mProxyPort = mRemotePort; mRemotePort = portr.ReadUShort(); mLocalEndpoint += ":" + mRemotePort; Text = "Port " + mLocalPort + " - " + mRemotePort + "(Proxy" + mProxyPort + ")"; Console.WriteLine("[socks5] From {0} to {1} (Proxy {2})", mRemoteEndpoint, mLocalEndpoint, mProxyEndpoint); } socks5++; return Results.Continue; } else if (tcpData.Length == 3 && pr.ReadByte() == 5) { socks5 = 1; return Results.Continue; } Console.WriteLine("Connection on port {0} did not have a MapleStory Handshake", mLocalEndpoint); return Results.CloseMe; } pr.ReadUShort(); ushort version = pr.ReadUShort(); byte subVersion = 1; string patchLocation = pr.ReadMapleString(); byte[] localIV = pr.ReadBytes(4); byte[] remoteIV = pr.ReadBytes(4); byte serverLocale = pr.ReadByte(); if (serverLocale > 0x12) { return Results.CloseMe; } if (serverLocale == 0x02 || (serverLocale == 0x01 && version > 255)) mIsKMS = true; else mIsKMS = false; if (mIsKMS) { int test = int.Parse(patchLocation); version = (ushort)(test & 0x7FFF); subVersion = (byte)((test >> 16) & 0xFF); } else if (patchLocation.All(character => { return character >= '0' && character <= '9'; })) { if (!byte.TryParse(patchLocation, out subVersion)) Console.WriteLine("Failed to parse subVersion"); } mBuild = version; mLocale = serverLocale; mPatchLocation = patchLocation; mOutboundStream = new MapleStream(true, mBuild, mLocale, localIV, subVersion); mInboundStream = new MapleStream(false, mBuild, mLocale, remoteIV, subVersion); // Generate HandShake packet Definition definition = Config.Instance.GetDefinition(mBuild, mLocale, false, 0xFFFF); if (definition == null) { definition = new Definition(); definition.Outbound = false; definition.Locale = mLocale; definition.Opcode = 0xFFFF; definition.Name = "Maple Handshake"; definition.Build = mBuild; DefinitionsContainer.Instance.SaveDefinition(definition); } { string filename = "Scripts" + Path.DirectorySeparatorChar + mLocale.ToString() + Path.DirectorySeparatorChar + mBuild.ToString() + Path.DirectorySeparatorChar + "Inbound" + Path.DirectorySeparatorChar + "0xFFFF.txt"; if (!Directory.Exists(Path.GetDirectoryName(filename))) Directory.CreateDirectory(Path.GetDirectoryName(filename)); if (!File.Exists(filename)) { string contents = ""; contents += "using (ScriptAPI) {\r\n"; contents += "\tAddShort(\"Packet Size\");\r\n"; contents += "\tAddUShort(\"MapleStory Version\");\r\n"; contents += "\tAddString(\"MapleStory Patch Location/Subversion\");\r\n"; contents += "\tAddField(\"Local Initializing Vector (IV)\", 4);\r\n"; contents += "\tAddField(\"Remote Initializing Vector (IV)\", 4);\r\n"; contents += "\tAddByte(\"MapleStory Locale\");\r\n"; if (mRemotePort == 8484 && ((mLocale == MapleLocale.GLOBAL && version >= 160) || (mLocale == MapleLocale.TAIWAN && version >= 176) || (mLocale == MapleLocale.CHINA && version >= 122))) contents += "\tAddByte(\"Unknown\");\r\n"; contents += "}"; File.WriteAllText(filename, contents); } } MaplePacket packet = new MaplePacket(pArrivalTime, false, mBuild, mLocale, 0xFFFF, definition == null ? "" : definition.Name, tcpData, (uint)0, BitConverter.ToUInt32(remoteIV, 0)); if (!mOpcodes.Exists(kv => kv.First == packet.Outbound && kv.Second == packet.Opcode)) // Should be false, but w/e { mOpcodes.Add(new Pair<bool, ushort>(packet.Outbound, packet.Opcode)); } mPacketList.Items.Add(packet); mPackets.Add(packet); MainForm.SearchForm.RefreshOpcodes(true); Console.WriteLine("[CONNECTION] MapleStory V{2}.{3} Locale {4}", mLocalEndpoint, mRemoteEndpoint, mBuild, subVersion, serverLocale); } if (pTCPPacket.SourcePort == mLocalPort) ProcessTCPPacket(pTCPPacket, ref mOutboundSequence, mOutboundBuffer, mOutboundStream, pArrivalTime); else ProcessTCPPacket(pTCPPacket, ref mInboundSequence, mInboundBuffer, mInboundStream, pArrivalTime); return Results.Continue; }
/// <summary> /// Data received event handler /// </summary> /// <param name="iar">IAsyncResult of the data received event</param> private void OnDataReceived(IAsyncResult iar) { var socketInfo = (SocketInfo)iar.AsyncState; try { var received = socketInfo.Socket.EndReceive(iar); if (received == 0) { OnClientDisconnected?.Invoke(this); return; } socketInfo.Index += received; if (socketInfo.Index == socketInfo.DataBuffer.Length) { switch (socketInfo.State) { case SocketInfo.StateEnum.Header: if (socketInfo.IsNoEncryption) { var headerReader = new PacketReader(socketInfo.DataBuffer); var packetHeader = headerReader.ReadShort(); socketInfo.State = SocketInfo.StateEnum.Content; socketInfo.DataBuffer = new byte[packetHeader]; socketInfo.Index = 0; WaitForData(socketInfo); } else { var headerReader = new PacketReader(socketInfo.DataBuffer); var packetHeaderB = headerReader.ToArray(); var packetHeader = headerReader.ReadInt(); var packetLength = (short)MapleCrypto.GetPacketLength(packetHeader); if (Type == SessionType.SERVER_TO_CLIENT && !RIV.CheckPacketToServer(BitConverter.GetBytes(packetHeader))) { Log.LogError("Packet check failed. Disconnecting client"); Socket.Close(); } socketInfo.State = SocketInfo.StateEnum.Content; socketInfo.DataBuffer = new byte[packetLength]; socketInfo.Index = 0; WaitForData(socketInfo); } break; case SocketInfo.StateEnum.Content: var data = socketInfo.DataBuffer; if (socketInfo.IsNoEncryption) { socketInfo.IsNoEncryption = false; var reader = new PacketReader(data); var version = reader.ReadShort(); var unknown = reader.ReadMapleString(); SIV = new MapleCrypto(reader.ReadBytes(4), version); RIV = new MapleCrypto(reader.ReadBytes(4), version); var serverType = reader.ReadByte(); if (Type == SessionType.CLIENT_TO_SERVER) { OnInitPacketReceived(version, serverType); } OnPacketReceived(new PacketReader(data), true); WaitForData(); } else { RIV.Crypt(data); MapleCustomEncryption.Decrypt(data); if (data.Length != 0) { OnPacketReceived?.Invoke(new PacketReader(data), false); } WaitForData(); } break; } } else { Log.LogWarning("Not enough data"); WaitForData(socketInfo); } } catch (ObjectDisposedException e) { Log.LogError("Socket has been closed", e); } catch (SocketException se) { if (se.ErrorCode != 10054) { Log.LogError("Session.OnDataReceived", se); } } catch (Exception e) { Log.LogError("Session.OnDataReceived", e); } }
internal Results BufferTCPPacket(TcpPacket pTCPPacket, DateTime pArrivalTime) { if (pTCPPacket.Fin || pTCPPacket.Rst) { mTerminated = true; Text += " (Terminated)"; if (mPackets.Count == 0) { // f**k return Results.CloseMe; } else { return Results.Terminated; } } if (pTCPPacket.Syn && !pTCPPacket.Ack) { mLocalPort = (ushort)pTCPPacket.SourcePort; mRemotePort = (ushort)pTCPPacket.DestinationPort; mOutboundSequence = (uint)(pTCPPacket.SequenceNumber + 1); Text = "Port " + mLocalPort.ToString(); startTime = DateTime.Now; mRemoteEndpoint = ((PacketDotNet.IPv4Packet)pTCPPacket.ParentPacket).SourceAddress.ToString() + ":" + pTCPPacket.SourcePort.ToString(); mLocalEndpoint = ((PacketDotNet.IPv4Packet)pTCPPacket.ParentPacket).DestinationAddress.ToString() + ":" + pTCPPacket.DestinationPort.ToString(); Console.WriteLine("[CONNECTION] From {0} to {1}", mLocalEndpoint, mRemoteEndpoint); return Results.Continue; } if (pTCPPacket.Syn && pTCPPacket.Ack) { mInboundSequence = (uint)(pTCPPacket.SequenceNumber + 1); return Results.Continue; } if (pTCPPacket.PayloadData.Length == 0) return Results.Continue; if (mBuild == 0) { if (pTCPPacket.PayloadData.Length < 13) return Results.CloseMe; byte[] tcpData = pTCPPacket.PayloadData; //mBuild = (ushort)(tcpData[2] | (tcpData[3] << 8)); bool mIsKMS = false; PacketReader pr = new PacketReader(tcpData); pr.ReadShort(); ushort version = pr.ReadUShort(); var pos = pr.Position; { var shrt = pr.ReadShort(); if (shrt < 0 || shrt > 0x0020) { return Results.CloseMe; } } pr.Reset(pos); string patchLocation = pr.ReadMapleString(); byte[] localIV = pr.ReadBytes(4); byte[] remoteIV = pr.ReadBytes(4); byte serverLocale = pr.ReadByte(); if (pr.Remaining > 0 || serverLocale > 0x12) { return Results.CloseMe; } if (serverLocale == 0x02 || (serverLocale == 0x01 && version > 255)) mIsKMS = true; else mIsKMS = false; if (mIsKMS) { int test = int.Parse(patchLocation); ushort t1 = (ushort)(test & 0x7FFF); int t2 = (test >> 15) & 1; int t3 = (test >> 16) & 0xFF; Console.WriteLine("Logging KMS connection. Version {0} | {1} | {2}", t1, t2, t3); mBuild = t1; } else { mBuild = version; } mLocale = serverLocale; mPatchLocation = patchLocation; mOutboundStream = new MapleStream(true, mBuild, mLocale, localIV); mInboundStream = new MapleStream(false, (ushort)(0xFFFF - mBuild), mLocale, remoteIV); mInboundSequence += (uint)tcpData.Length; // Generate HandShake packet Definition definition = Config.Instance.GetDefinition(mBuild, mLocale, false, 0xFFFF); if (definition == null) { definition = new Definition(); definition.Outbound = false; definition.Locale = mLocale; definition.Opcode = 0xFFFF; definition.Name = "Maple Handshake"; definition.Build = mBuild; Config.Instance.Definitions.Add(definition); } { string filename = "Scripts" + Path.DirectorySeparatorChar + mLocale.ToString() + Path.DirectorySeparatorChar + mBuild.ToString() + Path.DirectorySeparatorChar + "Inbound" + Path.DirectorySeparatorChar + "0xFFFF.txt"; if (!Directory.Exists(Path.GetDirectoryName(filename))) Directory.CreateDirectory(Path.GetDirectoryName(filename)); if (!File.Exists(filename)) { string contents = ""; contents += "using (ScriptAPI) {\r\n"; contents += "\tAddShort(\"Packet Size\");\r\n"; contents += "\tAddUShort(\"MapleStory Version\");\r\n"; contents += "\tAddString(\"MapleStory Patch Location\");\r\n"; contents += "\tAddField(\"Local Initializing Vector (IV)\", 4);\r\n"; contents += "\tAddField(\"Remote Initializing Vector (IV)\", 4);\r\n"; contents += "\tAddByte(\"MapleStory Locale\");\r\n"; contents += "}"; File.WriteAllText(filename, contents); } } MaplePacket packet = new MaplePacket(pArrivalTime, false, mBuild, mLocale, 0xFFFF, definition == null ? "" : definition.Name, tcpData); if (!mOpcodes.Exists(kv => kv.First == packet.Outbound && kv.Second == packet.Opcode)) { // Should be false, but w/e mOpcodes.Add(new Pair<bool, ushort>(packet.Outbound, packet.Opcode)); } mPacketList.Items.Add(packet); mPackets.Add(packet); MainForm.SearchForm.RefreshOpcodes(true); Console.WriteLine("[CONNECTION] MapleStory V{2}.{3} Locale {4}", mLocalEndpoint, mRemoteEndpoint, mBuild, patchLocation, serverLocale); } if (pTCPPacket.SourcePort == mLocalPort) ProcessTCPPacket(pTCPPacket, ref mOutboundSequence, mOutboundBuffer, mOutboundStream, pArrivalTime); else ProcessTCPPacket(pTCPPacket, ref mInboundSequence, mInboundBuffer, mInboundStream, pArrivalTime); return Results.Continue; }
public void handlePacket(Client c, PacketReader packet) { string name = packet.ReadMapleString(); c.SendPacket(PacketDefinitions.CheckDuplicatedID(name, Database.CheckDuplicatedID(name))); }