static void tick()
{
if (!sock.Connected)
{
Console.WriteLine("Connection failed.");
thread.Abort();
return;
}
while (sock.Available > 0)
{
// receive packets and respond if needed (keep-alive)
int length = Util.readVarInt();
int id = Util.readVarInt();
if (id == 0)
{
// keep-alive
Packets.keepalive0x00();
}
else if (id == 2)
{
// chat message
Console.WriteLine(Util.readString());
}
else
{
// everything else (this includes chunk updates and all that stuff we don't need in a console)
if (length > 0 && length < 32768)
{
byte[] buff = new byte[length + 1];
sock.Receive(buff, length, SocketFlags.None);
}
}
}
}
public static void getServerInfo(string address, int port)
{
Packets.handshake0x00(address, port, 1);
Packets.request0x00();
Packets.response0x00();
sock.Close();
}
// floods the console with small errors:
/*
* [13:55:18 INFO]: /127.0.0.1:65042 lost connection: Internal Exception: net.minecraft.util.io.netty.handler.codec.DecoderException: java.lang.RuntimeException: An internal error occured.
*
*/
// I once had this one occur, unfortunately I forgot the packet combination:
/*
* [15:17:33] [Server thread/WARN]: Failed to handle packet for /127.0.0.1:5437
* java.lang.IllegalStateException: Unexpected hello packet
* at net.minecraft.util.org.apache.commons.lang3.Validate.validState(Validate.java:826) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
* at net.minecraft.server.v1_7_R2.LoginListener.a(LoginListener.java:96) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
* at net.minecraft.server.v1_7_R2.PacketLoginInStart.a(SourceFile:33) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
* at net.minecraft.server.v1_7_R2.PacketLoginInStart.handle(SourceFile:10) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
* at net.minecraft.server.v1_7_R2.NetworkManager.a(NetworkManager.java:147) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
* at net.minecraft.server.v1_7_R2.ServerConnection.c(SourceFile:134) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
* at net.minecraft.server.v1_7_R2.MinecraftServer.v(MinecraftServer.java:657) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
* at net.minecraft.server.v1_7_R2.DedicatedServer.v(DedicatedServer.java:250) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
* at net.minecraft.server.v1_7_R2.MinecraftServer.u(MinecraftServer.java:548) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
* at net.minecraft.server.v1_7_R2.MinecraftServer.run(MinecraftServer.java:459) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
* at net.minecraft.server.v1_7_R2.ThreadServerApplication.run(SourceFile:618) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-11-g08fad7a-b3037jnks]
*
*/
public static void floodErrors(string address, int port, int count)
{
for (int i = 0; i < count; i++)
{
Program.connect(address, port);
Packets.handshake0x00(address, port, 2);
Packets.handshake0x00(address, port, 2);
Packets.loginStart0x00(randomUser(10));
}
}
public static void login(string address, int port, string username, String password)
{
connect(address, port);
Packets.handshake0x00(address, port, 2);
Packets.loginStart0x00(username);
if (Packets.loginResponse())
{
thread = new Thread(new ThreadStart(handleUpdates));
thread.Start();
}
}
// TODO test
public static void floodPackets(string address, int port, int count)
{
Program.connect(address, port);
for (int i = 0; i < count; i++)
{
if (Program.sock != null)
{
if (!Program.sock.Connected)
{
Program.connect(address, port);
}
}
else
{
Program.connect(address, port);
}
int x = r.Next(10);
Console.Write(x);
if (x == 1)
{
Packets.handshake0x00(address, port, 1);
}
else if (x == 2)
{
Packets.handshake0x00(address, port, 2);
}
else if (x == 3)
{
Packets.chatMessage0x01(randomUser(30));
}
else if (x == 4)
{
// might crash us
Packets.keepalive0x00();
}
else if (x == 5)
{
Packets.loginStart0x00(randomUser(10));
}
else if (x == 6)
{
Packets.request0x00();
}
else
{
Packets.handshake0x00(address, port, 1);
}
}
}
// same ip, many users
public static void floodUserLogins(string address, int port, int count)
{
Program.connect(address, port);
Packets.handshake0x00(address, port, 2);
Packets.loginStart0x00(randomUser(10));
}
static void Main(string[] args)
{
Console.WriteLine("Usage example: 5.104.104.45 25565 InstanceLabs password");
Console.WriteLine("Leave password empty for offline mode.");
bool cmd = false;
String address = "127.0.0.1";
String portstr = "25565";
int port = 25565;
String username = "";
String password = "";
if (args.Length > 3)
{
address = args[0];
portstr = args[1];
port = Convert.ToInt32(portstr);
username = args[2];
password = args[3];
cmd = true;
}
else if (args.Length > 2 && args.Length < 4)
{
address = args[0];
portstr = args[1];
port = Convert.ToInt32(portstr);
username = args[2];
password = "";
cmd = true;
}
bool menu = true;
while (menu)
{
if (cmd)
{
login(address, port, username, password);
while (sock.Connected)
{
// send message
Packets.chatMessage0x01(Console.ReadLine());
}
return;
}
Console.Write("Server > ");
address = Console.ReadLine();
if (address == "")
{
address = "127.0.0.1";
}
Console.Write("Port > ");
portstr = Console.ReadLine();
if (portstr == "")
{
portstr = "25565";
}
port = Convert.ToInt32(portstr);
connect(address, port);
getServerInfo(address, port);
Console.Write("Connect? (y/n) ");
if (Console.ReadLine().ToLower().StartsWith("y"))
{
// connect
Console.Write("Username > ");
username = Console.ReadLine();
Console.Write("EMail (leave empty if you still have an unmigrated account) > ");
string email = Console.ReadLine();
Console.Write("Passord (leave empty for offline mode) > ");
password = Console.ReadLine();
Console.WriteLine(Util.loginSession(username, email, password));
login(address, port, username, password);
while (sock.Connected)
{
// send message
Packets.chatMessage0x01(Console.ReadLine());
}
}
}
}