/*[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)
{
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);
}
}
/// <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)));
}
