private RequestUserDataResponsePackage(SerializationInfo info, StreamingContext context)
{
UserData = info.GetValue("User", typeof(User)) as User;
Success = info.GetBoolean("Success");
}
public bool SetUser(string username, User user)
{
if (UserExists(username))
{
UserDictionary[username] = user;
return true;
}
return false;
}
public static void Main(string[] args)
{
// Create a client session manager and allow sessions to remain valid for up to 5 minutes of inactivity (300 seconds)
SessionManager manager = new SessionManager(300 * TimeSpan.TicksPerSecond, 20);
SetConsoleCtrlHandler(i => {
db.Flush(); // Ensures that the database is flushed before the program exits
return(false);
}, true);
// Create a secure random provider and start getting RSA stuff
CryptoRandomProvider random = new CryptoRandomProvider();
Task <RSA> t = new Task <RSA>(() =>
{
RSA rsa = new RSA(Resources.e_0x100, Resources.n_0x100, Resources.d_0x100);
if (rsa == null)
{
Output.Fatal("No RSA keys found! Server identity will not be verifiable!");
Output.Info("Generating session-specific RSA-keys...");
rsa = new RSA(128, 8, 7, 5);
rsa.Save("0x100");
Output.Info("Done!");
}
return(rsa);
});
t.Start();
// Local methods to simplify common operations
bool ParseDataPair(string cmd, out string user, out string pass)
{
int idx = cmd.IndexOf(':');
user = "";
pass = "";
if (idx == -1)
{
return(false);
}
user = cmd.Substring(0, idx);
try
{
user = user.FromBase64String();
pass = cmd.Substring(idx + 1).FromBase64String();
}
catch
{
Output.Error($"Recieved problematic username or password! (User: \"{user}\")");
return(false);
}
return(true);
}
int ParseDataSet(string cmd, out string[] data)
{
List <string> gen = new List <string>();
int idx;
while ((idx = cmd.IndexOf(':')) != -1)
{
try
{
gen.Add(cmd.Substring(0, idx).FromBase64String());
}
catch
{
data = null;
return(-1); // Hard error
}
cmd = cmd.Substring(idx + 1);
}
try
{
gen.Add(cmd.FromBase64String());
}
catch
{
data = null;
return(-1); // Hard error
}
data = gen.ToArray();
return(gen.Count);
}
string[] ParseCommand(string cmd, out long id)
{
int idx = cmd.IndexOf(':'), idx1;
string sub;
if (idx == -1 || !(sub = cmd.Substring(idx + 1)).Contains(':') || !long.TryParse(sub.Substring(0, idx1 = sub.IndexOf(':')), out id))
{
id = 0;
return(null);
}
return(new string[] { cmd.Substring(0, idx), sub.Substring(idx1 + 1) });
}
string GenerateResponse(long id, dynamic d) => id + ":" + d.ToString();
string ErrorResponse(long id, string i18n = null) => GenerateResponse(id, $"ERROR{(i18n==null?"":":"+VERBOSE_RESPONSE)}{i18n??""}");
bool GetUser(string sid, out Database.User user)
{
user = manager.GetUser(sid);
bool exists = user != null;
if (exists)
{
user = db.GetUser(user.Name);
}
return(exists && user != null);
}
bool GetAccount(string name, Database.User user, out Database.Account acc)
{
acc = user.accounts.FirstOrDefault(a => a.name.Equals(name));
return(acc != null);
}
// Create server
NetServer server = new NetServer(
EllipticDiffieHellman.Curve25519(EllipticDiffieHellman.Curve25519_GeneratePrivate(random)),
80,
(string r, Dictionary <string, string> associations, ref bool s) =>
{
string[] cmd = ParseCommand(r, out long id);
// Handle corrupt or badly formatted messages from client
if (cmd == null)
{
return(ErrorResponse(-1, "corrupt"));
}
// Server endpoints
switch (cmd[0])
{
case "RmUsr":
{
if (!GetUser(cmd[1], out var user))
{
if (verbosity > 0)
{
Output.Error($"Could not delete user from session as session isn't valid. (SessionID=\"{cmd[1]}\")");
}
return(ErrorResponse(id, "badsession"));
}
manager.Expire(user);
db.RemoveUser(user);
if (verbosity > 0)
{
Output.Info($"Removed user \"{user.Name}\" (SessionID={cmd[1]})");
}
return(GenerateResponse(id, true));
}
case "Auth": // Log in to a user account (get a session id)
{
if (!ParseDataPair(cmd[1], out string user, out string pass))
{
if (verbosity > 0)
{
Output.Error($"Recieved problematic username or password! (User: \"{user}\")");
}
return(ErrorResponse(id));
}
Database.User usr = db.GetUser(user);
if (usr == null || !usr.Authenticate(pass))
{
if (verbosity > 0)
{
Output.Error("Authentcation failure for user: "******"ERROR");
Output.Positive("Authentication success for user: "******"\nSession: " + sess);
associations["session"] = sess;
return(GenerateResponse(id, sess));
}
private void ClientHandle(TcpClient Client)
{
NetworkStream Stream = Client.GetStream();
string IPAddress = ((IPEndPoint)Client.Client.RemoteEndPoint).Address.ToString();
string Port = ((IPEndPoint)Client.Client.RemoteEndPoint).Port.ToString();
try
{
byte[] buffer1 = new byte[8];
if (Stream.Read(buffer1, 0, 8) != 8)
{
Client.Close();
return;
}
EndianIO IO1 = new EndianIO(buffer1, EndianStyle.BigEndian);
uint Command = IO1.Reader.ReadUInt32();
int Length = IO1.Reader.ReadInt32();
if (Length > 16512)
{
Client.Close();
return;
}
byte[] buffer2 = new byte[Length];
if (Stream.Read(buffer2, 0, Length) != Length)
{
Client.Close();
return;
}
else
{
EndianIO IO2 = new EndianIO(buffer2, EndianStyle.BigEndian)
{
Writer = new EndianWriter(Stream, EndianStyle.BigEndian)
};
switch (Command)
{
case (int)TitleID.DASHBOARD:
{
byte[] CPUKey = IO2.Reader.ReadBytes(0x10);
byte[] FUSEKey = IO2.Reader.ReadBytes(0x10);
byte[] ModuleDigest = IO2.Reader.ReadBytes(0x14);
Database.User User = new Database.User();
if (Database.UserExists(ref User, Tools.BytesToHexString(CPUKey)))
{
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { "Enforcer [", IPAddress, "] connected" }), Color.Black);
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | CPUKey: '", Tools.BytesToHexString(CPUKey), "'" }), Color.Black);
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | FUSEKey: '", Tools.BytesToHexString(FUSEKey), "'" }), Color.Black);
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | ModuleDigest: '", Tools.BytesToHexString(ModuleDigest), "'" }), Color.Black);
byte[] LatestModuleClient = System.IO.File.ReadAllBytes("client/GTAVEnforcer.xex");
byte[] LatestModuleBeta = System.IO.File.ReadAllBytes("beta/GTAVEnforcer.xex");
byte[] LatestModuleAdmin = System.IO.File.ReadAllBytes("admin/GTAVEnforcer.xex");
switch (User.userclass)
{
case (int)UserClasses.CLIENT:
if (User.enabled == 0)
{
IO2.Writer.Write((uint)0xE0000000);
IO2.Writer.Write(Enumerable.Repeat <byte>(0xFF, 0x04).ToArray());
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Client: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " [Not Authenticated]" }), Color.Red);
}
else
{
if (Tools.CompareBytes(ModuleDigest, Tools.CSHA(LatestModuleClient)))
{
if (User.firstTime == "0")
{
Database.SetFuseHash(User.cpukey, Tools.BytesToHexString(FUSEKey));
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Client: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " Grabbing Fuse Digest" }), Color.Orange);
}
else
{
if (User.firstTime != Tools.BytesToHexString(FUSEKey))
{
IO2.Writer.Write((uint)0xD0000000);
IO2.Writer.Write(Enumerable.Repeat <byte>(0x00, 0x04).ToArray());
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Client: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " [Hacker]" }), Color.Red);
}
else
{
if (User.ip != IPAddress)
{
Database.SetIpAddress(User.firstTime, IPAddress);
}
IO2.Writer.Write((uint)0xD0000000);
IO2.Writer.Write(Enumerable.Repeat <byte>(0x00, 0x04).ToArray());
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Client: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " [Authenticated]" }), Color.Green);
}
}
}
else
{
IO2.Writer.Write((uint)0xC0000000);
IO2.Writer.Write(Enumerable.ToArray <byte>(Enumerable.Repeat <byte>((byte)0, 4)));
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Outdated module, sending latest" }), Color.Blue);
IO2.Writer.Write(LatestModuleClient.Length);
IO2.Writer.Write(LatestModuleClient);
}
}
break;
case (int)UserClasses.BETA:
if (User.enabled == 0)
{
IO2.Writer.Write((uint)0xE0000000);
IO2.Writer.Write(Enumerable.Repeat <byte>(0xFF, 0x04).ToArray());
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Beta: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " [Not Authenticated]" }), Color.Red);
}
else
{
if (Tools.CompareBytes(ModuleDigest, Tools.CSHA(LatestModuleBeta)))
{
if (User.firstTime == "0")
{
Database.SetFuseHash(User.cpukey, Tools.BytesToHexString(FUSEKey));
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Beta: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " Grabbing Fuse Digest" }), Color.Orange);
}
else
{
if (User.firstTime != Tools.BytesToHexString(FUSEKey))
{
IO2.Writer.Write((uint)0xD0000000);
IO2.Writer.Write(Enumerable.Repeat <byte>(0x00, 0x04).ToArray());
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Beta: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " [Hacker]" }), Color.Red);
}
else
{
if (User.ip != IPAddress)
{
Database.SetIpAddress(User.firstTime, IPAddress);
}
IO2.Writer.Write((uint)0xD0000000);
IO2.Writer.Write(Enumerable.Repeat <byte>(0x00, 0x04).ToArray());
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Beta: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " [Authenticated]" }), Color.Green);
}
}
}
else
{
IO2.Writer.Write((uint)0xC0000000);
IO2.Writer.Write(Enumerable.ToArray <byte>(Enumerable.Repeat <byte>((byte)0, 4)));
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Outdated module, sending latest" }), Color.Blue);
IO2.Writer.Write(LatestModuleBeta.Length);
IO2.Writer.Write(LatestModuleBeta);
}
}
break;
case (int)UserClasses.ADMIN:
if (User.enabled == 0)
{
IO2.Writer.Write((uint)0xE0000000);
IO2.Writer.Write(Enumerable.Repeat <byte>(0xFF, 0x04).ToArray());
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Admin: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " [Not Authenticated]" }), Color.Red);
}
else
{
if (Tools.CompareBytes(ModuleDigest, Tools.CSHA(LatestModuleAdmin)))
{
if (User.firstTime == "0")
{
Database.SetFuseHash(User.cpukey, Tools.BytesToHexString(FUSEKey));
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Admin: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " Grabbing Fuse Digest" }), Color.Orange);
}
else
{
if (User.firstTime != Tools.BytesToHexString(FUSEKey))
{
IO2.Writer.Write((uint)0xD0000000);
IO2.Writer.Write(Enumerable.Repeat <byte>(0x00, 0x04).ToArray());
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Admin: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " [Hacker]" }), Color.Red);
}
else
{
if (User.ip != IPAddress)
{
Database.SetIpAddress(User.firstTime, IPAddress);
}
IO2.Writer.Write((uint)0xD0000000);
IO2.Writer.Write(Enumerable.Repeat <byte>(0x00, 0x04).ToArray());
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Admin: '", User.name, "', ", Tools.BytesToHexString(CPUKey), " [Authenticated]" }), Color.Green);
}
}
}
else
{
IO2.Writer.Write((uint)0xC0000000);
IO2.Writer.Write(Enumerable.ToArray <byte>(Enumerable.Repeat <byte>((byte)0, 4)));
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Outdated module, sending latest" }), Color.Blue);
IO2.Writer.Write(LatestModuleAdmin.Length);
IO2.Writer.Write(LatestModuleAdmin);
}
}
break;
}
}
} break;
case (int)TitleID.GTAV:
{
byte[] CPUKey = IO2.Reader.ReadBytes(0x10);
byte[] FUSEKey = IO2.Reader.ReadBytes(0x10);
byte[] FakePatches = System.IO.File.ReadAllBytes("bin/FakePatches.bin");
byte[] Patches = System.IO.File.ReadAllBytes("bin/Patches.bin");
Database.User User = new Database.User();
if (Database.UserExists(ref User, Tools.BytesToHexString(CPUKey)))
{
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { "Enforcer [", IPAddress, "] connected" }), Color.Black);
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | CPUKey: '", Tools.BytesToHexString(CPUKey), "'" }), Color.Black);
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | FUSEKey: '", Tools.BytesToHexString(FUSEKey), "'" }), Color.Black);
if (User.firstTime != Tools.BytesToHexString(FUSEKey))
{
IO2.Writer.Write(FakePatches);
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | FakePatches.bin was sent to Client" }), Color.Red);
}
else
{
if (User.enabled == 0)
{
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | User '", User.name, "', ", Tools.BytesToHexString(CPUKey), " [Not Authenticated]" }), Color.Red);
}
else
{
IO2.Writer.Write(Patches);
Tools.AppendText(richTextBoxEx1, string.Concat(new object[] { IPAddress, " | Patches.bin was sent to Client" }), Color.Blue);
}
}
}
} break;
}
Client.Close();
return;
}
}
catch (Exception ex)
{
if (Client.Connected)
{
Client.Close();
}
MessageBox.Show(ex.Message, "Server", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
/// <summary>
/// Do registration.
/// </summary>
/// <param name="login">user's login.</param>
/// <param name="password">user's password.</param>
/// <returns>true if operation had success; otherwise, false.</returns>
public static bool Register(string login, string password)
{
using (var DBcontext = new LinqToSqlDataContext())
{
// get user
var user =
from users in DBcontext.Users
where users.login.Equals(login)
select users;
if (user.Any())
{
// account already exist
return false;
}
else
{
// new user
User newUser = new User
{
login = login,
password = PasswordHash.PasswordHash.CreateHash(password)
};
DBcontext.Users.InsertOnSubmit(newUser);
try
{
DBcontext.SubmitChanges();
return true;
}
catch (Exception e)
{
log.Error(e);
return false;
}
}
}
}
partial void DeleteUser(User instance);
partial void UpdateUser(User instance);
partial void InsertUser(User instance);
