private static void NetHooks_GetData(GetDataEventArgs e)
{
if (Main.netMode != 2 && e.MsgID == PacketTypes.ChatText && e.Length > 3)
{
byte playerID = e.Msg.readBuffer[e.Index];
Color color = new Color(e.Msg.readBuffer[e.Index + 1] << 16, e.Msg.readBuffer[e.Index + 2] << 8, e.Msg.readBuffer[e.Index + 3]);
string message = Encoding.ASCII.GetString(e.Msg.readBuffer, e.Index + 4, e.Length - 5);
OnChatReceived(playerID, color, message);
}
}
private static void NetHooks_GetData(GetDataEventArgs e)
{
if (Main.netMode != 2 && e.MsgID == PacketTypes.ChatText && e.Length > 3)
{
byte playerID = e.Msg.readBuffer[e.Index];
Color color = new Color(e.Msg.readBuffer[e.Index + 1] << 16, e.Msg.readBuffer[e.Index + 2] << 8, e.Msg.readBuffer[e.Index + 3]);
string message = Encoding.ASCII.GetString(e.Msg.readBuffer, e.Index + 4, e.Length - 5);
OnChatReceived(playerID, color, message);
}
}
public static bool OnGetData(ref byte msgid, messageBuffer msg, ref int idx, ref int length)
{
if (GetData == null)
return false;
var args = new GetDataEventArgs()
{
MsgID = (PacketTypes)msgid,
Msg = msg,
Index = idx,
Length = length
};
GetData(args);
msgid = (byte)args.MsgID;
idx = args.Index;
length = args.Length;
return args.Handled;
}
private static void NetHooks_GetData(GetDataEventArgs e)
{
if (Main.netMode != 2)
{
return;
}
if (e.MsgID == PacketTypes.ConnectRequest)
{
e.Handled = OnJoin(e.Msg.whoAmI);
if (e.Handled)
{
Netplay.serverSock[e.Msg.whoAmI].kill = true;
}
}
else if (e.MsgID == PacketTypes.ChatText)
{
string str = Encoding.ASCII.GetString(e.Msg.readBuffer, e.Index + 0x4, e.Length - 0x5);
e.Handled = OnChat(e.Msg, e.Msg.whoAmI, str);
}
}
public static bool OnGetData(ref byte msgid, messageBuffer msg, ref int idx, ref int length)
{
if (GetData == null)
{
return(false);
}
var args = new GetDataEventArgs()
{
MsgID = (PacketTypes)msgid,
Msg = msg,
Index = idx,
Length = length
};
GetData(args);
msgid = (byte)args.MsgID;
idx = args.Index;
length = args.Length;
return(args.Handled);
}
private void GetData(GetDataEventArgs e)
{
if (e.Handled)
return;
PacketTypes type = e.MsgID;
var player = Players[e.Msg.whoAmI];
if (player == null)
{
e.Handled = true;
return;
}
if (!player.ConnectionAlive)
{
e.Handled = true;
return;
}
//if (type == PacketTypes.SyncPlayers)
//Debug.WriteLine("Recv: {0:X} ({2}): {3} ({1:XX})", player.Index, (byte)type, player.TPlayer.dead ? "dead " : "alive", type.ToString());
// Stop accepting updates from player as this player is going to be kicked/banned during OnUpdate (different thread so can produce race conditions)
if ((Config.BanKillTileAbusers || Config.KickKillTileAbusers) &&
player.TileThreshold >= Config.TileThreshold && !player.Group.HasPermission("ignoregriefdetection"))
{
Log.Debug("Rejecting " + type + " from " + player.Name + " as this player is about to be kicked");
e.Handled = true;
}
else
{
using (var data = new MemoryStream(e.Msg.readBuffer, e.Index, e.Length))
{
try
{
if (GetDataHandlers.HandlerGetData(type, player, data))
e.Handled = true;
}
catch (Exception ex)
{
Log.Error(ex.ToString());
}
}
}
}
void GetData(GetDataEventArgs e)
{
try
{
if (Main.netMode != 2) { return; }
if (e.MsgID == 17)
{
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
byte type = br.ReadByte();
int x = br.ReadInt32();
int y = br.ReadInt32();
byte typetile = br.ReadByte();
if (type == 0 || type == 1)
if (ConfigurationManager.spawnProtect)
if (!players[e.Msg.whoAmI].IsAdmin())
{
var flag = CheckSpawn(x, y);
if (flag)
{
Tools.SendMessage(e.Msg.whoAmI, "The spawn is protected!", new float[] { 255f, 0f, 0f });
e.Handled = true;
}
}
if (type == 0 && BlacklistTiles[Main.tile[x, y].type] && Main.player[e.Msg.whoAmI].active)
{
players[e.Msg.whoAmI].tileThreshold++;
players[e.Msg.whoAmI].tilesDestroyed.Add(new Position((float)x, (float)y), Main.tile[x, y]);
}
}
return;
}
else if (e.MsgID == 0x1e)
{
byte id;
bool pvp;
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
id = br.ReadByte();
pvp = br.ReadBoolean();
}
Main.player[e.Msg.whoAmI].hostile = pvp;
if (id != e.Msg.whoAmI)
Main.player[e.Msg.whoAmI].hostile = true;
if (ConfigurationManager.permaPvp)
Main.player[e.Msg.whoAmI].hostile = true;
NetMessage.SendData(30, -1, -1, "", e.Msg.whoAmI);
e.Handled = true;
}
else if (e.MsgID == 0x0A) //SendSection
{
Tools.Broadcast(string.Format("{0}({1}) attempted sending a section", Main.player[e.Msg.whoAmI].name, e.Msg.whoAmI));
Tools.Kick(e.Msg.whoAmI, "SendSection abuse.");
e.Handled = true;
}
else if (e.MsgID == 0x17) //Npc Data
{
Tools.Broadcast(string.Format("{0}({1}) attempted spawning an NPC", Main.player[e.Msg.whoAmI].name, e.Msg.whoAmI));
Tools.Kick(e.Msg.whoAmI, "Spawn NPC abuse");
e.Handled = true;
}
else if (e.MsgID == 0x0D) //Update Player
{
byte plr = e.Msg.readBuffer[e.Index];
if (plr != e.Msg.whoAmI)
{
Tools.Kick(e.Msg.whoAmI, "Update Player abuse");
e.Handled = true;
}
}
else if (e.MsgID == 0x10)
{
byte ply;
Int16 life, maxLife;
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
ply = br.ReadByte();
life = br.ReadInt16();
maxLife = br.ReadInt16();
}
if (maxLife > Main.player[ply].statLifeMax + 20 || life > maxLife)
if (players[ply].syncHP)
{
Tools.HandleCheater(ply);
Log.Info(Tools.FindPlayer(ply) + " had increased max life by more than 20 or increased life more than max");
}
else
players[ply].syncHP = true;
}
else if (e.MsgID == 0x2a)
{
byte ply;
Int16 mana, maxmana;
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
ply = br.ReadByte();
mana = br.ReadInt16();
maxmana = br.ReadInt16();
}
if (maxmana > Main.player[ply].statManaMax + 20 || mana > maxmana)
if (players[ply].syncMP)
{
Tools.HandleCheater(ply);
Log.Info(Tools.FindPlayer(ply) + " had increased max mana by more than 20 or increased mana more than max");
}
else
players[ply].syncMP = true;
}
else if (e.MsgID == 0x19) // Chat Text
{
byte ply;
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
ply = br.ReadByte();
}
if (e.Msg.whoAmI != ply)
{
//f**k you f****t
Log.Info(Tools.FindPlayer(e.Msg.whoAmI) + " was kicked for trying to fake chat as someone else.");
Tools.HandleCheater(ply);
}
}
else if (e.MsgID == 0x1B) // New Projectile
{
Int16 ident;
float posx;
float posy;
float velx;
float vely;
float knockback;
Int16 dmg;
byte owner;
byte type;
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
ident = br.ReadInt16();
posx = br.ReadSingle();
posy = br.ReadSingle();
velx = br.ReadSingle();
vely = br.ReadSingle();
knockback = br.ReadSingle();
dmg = br.ReadInt16();
owner = br.ReadByte();
type = br.ReadByte();
}
if (type == 29 || type == 28)
{
if (!players[e.Msg.whoAmI].IsAdmin())
{
if (ConfigurationManager.kickBoom || ConfigurationManager.banBoom)
{
int i = e.Msg.whoAmI;
if (ConfigurationManager.banBoom)
FileTools.WriteGrief((int)i);
Tools.Kick((int)i, "Explosives was thrown.");
Tools.Broadcast(Main.player[i].name + " was " + (ConfigurationManager.banBoom ? "banned" : "kicked") + " for throwing an explosive device.");
e.Handled = true;
}
}
}
}
else if (e.MsgID == 0x2C) // KillMe
{
byte id;
byte hitdirection;
short dmg;
bool pvp;
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
id = br.ReadByte();
hitdirection = br.ReadByte();
dmg = br.ReadInt16();
pvp = br.ReadBoolean();
}
if (id != e.Msg.whoAmI)
{
Tools.HandleGriefer(e.Msg.whoAmI);
Log.Info(Tools.FindPlayer(e.Msg.whoAmI) + " was kicked for trying to execute KillMe on someone else.");
e.Handled = true;
}
}
else if (e.MsgID == 0x30)
{
int x;
int y;
byte liquid;
bool lava;
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
x = br.ReadInt32();
y = br.ReadInt32();
liquid = br.ReadByte();
lava = br.ReadBoolean();
}
if (ConfigurationManager.spawnProtect)
if (!players[e.Msg.whoAmI].IsAdmin())
{
var flag = CheckSpawn(x, y);
if (flag)
{
Tools.SendMessage(e.Msg.whoAmI, "The spawn is protected!", new float[] { 255f, 0f, 0f });
e.Handled = true;
}
}
}
else if (e.MsgID == 0x22) // Client only KillTile
e.Handled = true; // Client only uses it for chests, but sends regular 17 as well.
}
catch (Exception ex)
{
FileTools.WriteError(ex.ToString());
}
}
private void GetData(GetDataEventArgs e)
{
PacketTypes type = e.MsgID;
var player = TShock.Players[e.Msg.whoAmI];
if (player == null)
{
e.Handled = true;
return;
}
if (!player.ConnectionAlive)
{
e.Handled = true;
return;
}
using (var data = new MemoryStream(e.Msg.readBuffer, e.Index, e.Length))
{
try
{
if (GetDataHandlers.HandlerGetData(type, player, data))
e.Handled = true;
}
catch (Exception ex)
{
Log.Error(ex.ToString());
}
}
}
private bool HandleGetData(GetDataEventArgs e)
{
if (!Netplay.serverSock[e.Msg.whoAmI].active || Netplay.serverSock[e.Msg.whoAmI].kill)
return true;
if (e.MsgID == 4)
{
var ban = Bans.GetBanByName(Main.player[e.Msg.whoAmI].name);
if (ban != null)
{
Tools.ForceKick(e.Msg.whoAmI, "You are banned: " + ban.Reason);
return true;
}
string name = Encoding.ASCII.GetString(e.Msg.readBuffer, e.Index + 23, (e.Length - (e.Index + 23)) + e.Index - 1);
if (name.Length > 32)
{
Tools.ForceKick(e.Msg.whoAmI, "Name exceeded 32 characters.");
return true;
}
if (players[e.Msg.whoAmI] == null)
{
Tools.ForceKick(e.Msg.whoAmI, "Player doesn't exist");
return true;
}
else if (players[e.Msg.whoAmI].receivedInfo)
{
return Tools.HandleGriefer(e.Msg.whoAmI, "Sent client info more than once");
}
else
{
players[e.Msg.whoAmI].receivedInfo = true;
}
}
else if (e.MsgID == 0x14)
{
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
short size = br.ReadInt16();
int x = br.ReadInt32();
int y = br.ReadInt32();
int plyX = Math.Abs((int)Main.player[e.Msg.whoAmI].position.X / 16);
int plyY = Math.Abs((int)Main.player[e.Msg.whoAmI].position.Y / 16);
int tileX = Math.Abs(x);
int tileY = Math.Abs(y);
if (size > 5 || Math.Abs(plyX - tileX) > 10 || Math.Abs(plyY - tileY) > 10)
{
return Tools.HandleGriefer(e.Msg.whoAmI, "Send Tile Square Abuse");
}
}
}
else if (e.MsgID == 17)
{
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
byte type = br.ReadByte();
int x = br.ReadInt32();
int y = br.ReadInt32();
byte typetile = br.ReadByte();
if (type == 1 || type == 3)
{
int plyX = Math.Abs((int)Main.player[e.Msg.whoAmI].position.X / 16);
int plyY = Math.Abs((int)Main.player[e.Msg.whoAmI].position.Y / 16);
int tileX = Math.Abs(x);
int tileY = Math.Abs(y);
if ((Math.Abs(plyX - tileX) > 6) || (Math.Abs(plyY - tileY) > 6))
{
return Tools.HandleGriefer(e.Msg.whoAmI, "Placing impossible to place blocks.");
}
}
if (type == 0 || type == 1)
{
if (ConfigurationManager.spawnProtect)
{
if (!players[e.Msg.whoAmI].group.HasPermission("editspawn"))
{
var flag = CheckSpawn(x, y);
if (flag)
{
Tools.SendMessage(e.Msg.whoAmI, "Spawn protected from changes.",
new[] { 255f, 0f, 0f });
return true;
}
}
}
}
if (type == 0 && BlacklistTiles[Main.tile[x, y].type] && Main.player[e.Msg.whoAmI].active)
{
players[e.Msg.whoAmI].tileThreshold++;
players[e.Msg.whoAmI].tilesDestroyed.Add(new Position(x, y), Main.tile[x, y]);
}
}
}
else if (e.MsgID == 0x1e)
{
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
int id = br.ReadByte();
bool pvp = br.ReadBoolean();
Main.player[e.Msg.whoAmI].hostile = pvp;
if (id != e.Msg.whoAmI)
Main.player[e.Msg.whoAmI].hostile = true;
if (ConfigurationManager.permaPvp)
Main.player[e.Msg.whoAmI].hostile = true;
NetMessage.SendData(30, -1, -1, "", e.Msg.whoAmI);
return true;
}
}
else if (e.MsgID == 0x0A) //SendSection
{
return Tools.HandleGriefer(e.Msg.whoAmI, "SendSection abuse.");
}
else if (e.MsgID == 0x17) //Npc Data
{
return Tools.HandleGriefer(e.Msg.whoAmI, "Spawn NPC abuse");
}
else if (e.MsgID == 0x0D) //Update Player
{
byte plr = e.Msg.readBuffer[e.Index];
if (plr != e.Msg.whoAmI)
{
return Tools.HandleGriefer(e.Msg.whoAmI, "Update Player abuse");
}
}
else if (e.MsgID == 0x10)
{
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
byte ply = br.ReadByte();
short life = br.ReadInt16();
short maxLife = br.ReadInt16();
if (maxLife > Main.player[ply].statLifeMax + 20 || life > maxLife)
{
if (players[ply].syncHP)
{
return Tools.HandleCheater(ply, "Abnormal life increase");
}
else
{
players[ply].syncHP = true;
}
}
}
}
else if (e.MsgID == 0x2a)
{
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
byte ply = br.ReadByte();
short mana = br.ReadInt16();
short maxmana = br.ReadInt16();
if (maxmana > Main.player[ply].statManaMax + 20 || mana > maxmana)
{
if (players[ply].syncMP)
{
return Tools.HandleCheater(ply, "Abnormal mana increase");
}
else
{
players[ply].syncMP = true;
}
}
}
}
else if (e.MsgID == 0x1B) // New Projectile
{
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
short ident = br.ReadInt16();
float posx = br.ReadSingle();
float posy = br.ReadSingle();
float velx = br.ReadSingle();
float vely = br.ReadSingle();
float knockback = br.ReadSingle();
short dmg = br.ReadInt16();
byte owner = br.ReadByte();
byte type = br.ReadByte();
if (type == 29 || type == 28 || type == 30)
{
return Tools.HandleExplosivesUser(e.Msg.whoAmI, "Throwing an explosive device.");
}
}
}
else if (e.MsgID == 0x2C) // KillMe
{
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
byte id = br.ReadByte();
byte hitdirection = br.ReadByte();
short dmg = br.ReadInt16();
bool pvp = br.ReadBoolean();
if (id != e.Msg.whoAmI)
{
return Tools.HandleGriefer(e.Msg.whoAmI, "Trying to execute KillMe on someone else.");
}
}
}
else if (e.MsgID == 0x1a) //PlayerDamage
{
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
byte playerid = br.ReadByte();
byte direction = br.ReadByte();
Int16 damage = br.ReadInt16();
byte pvp = br.ReadByte();
if (!Main.player[playerid].hostile)
return true;
}
}
else if (e.MsgID == 0x30)
{
using (var br = new BinaryReader(new MemoryStream(e.Msg.readBuffer, e.Index, e.Length)))
{
int x = br.ReadInt32();
int y = br.ReadInt32();
byte liquid = br.ReadByte();
bool lava = br.ReadBoolean();
//The liquid was picked up.
if (liquid == 0)
return false;
int plyX = Math.Abs((int)Main.player[e.Msg.whoAmI].position.X / 16);
int plyY = Math.Abs((int)Main.player[e.Msg.whoAmI].position.Y / 16);
int tileX = Math.Abs(x);
int tileY = Math.Abs(y);
int lavacount = 0;
int watercount = 0;
for (int i = 0; i < 44; i++)
{
if (Main.player[e.Msg.whoAmI].inventory[i].name == "Lava Bucket")
lavacount++;
else if (Main.player[e.Msg.whoAmI].inventory[i].name == "Water Bucket")
watercount++;
}
if (lava && lavacount <= 0)
{
return Tools.HandleGriefer(e.Msg.whoAmI, "Placing lava they didn't have."); ;
}
else if (!lava && watercount <= 0)
{
return Tools.HandleGriefer(e.Msg.whoAmI, "Placing water they didn't have.");
}
if ((Math.Abs(plyX - tileX) > 6) || (Math.Abs(plyY - tileY) > 6))
{
return Tools.HandleGriefer(e.Msg.whoAmI, "Placing impossible to place liquid."); ;
}
if (ConfigurationManager.spawnProtect)
{
if (!players[e.Msg.whoAmI].group.HasPermission("editspawn"))
{
var flag = CheckSpawn(x, y);
if (flag)
{
Tools.SendMessage(e.Msg.whoAmI, "The spawn is protected!", new[] { 255f, 0f, 0f });
return true;
}
}
}
}
}
else if (e.MsgID == 0x22) // Client only KillTile
{
return true; // Client only uses it for chests, but sends regular 17 as well.
}
return false;
}
private void GetData(GetDataEventArgs e)
{
e.Handled = e.Handled || HandleGetData(e);
}
private static void NetHooks_GetData(GetDataEventArgs e)
{
if (Main.netMode != 2)
return;
if (e.MsgID == PacketTypes.ConnectRequest)
{
e.Handled = OnJoin(e.Msg.whoAmI);
if (e.Handled)
Netplay.serverSock[e.Msg.whoAmI].kill = true;
}
else if (e.MsgID == PacketTypes.ChatText)
{
string str = Encoding.ASCII.GetString(e.Msg.readBuffer, e.Index + 0x4, e.Length - 0x5);
e.Handled = OnChat(e.Msg, e.Msg.whoAmI, str);
}
}
