private void BtnLogin_Click(object sender, EventArgs e)
{
string emailOrMobile = txtLoginMobile.Text;
string password = txtLoginPassword.Text;
if (!(forEmail.Match(emailOrMobile).Success || forPhone.Match(emailOrMobile).Success))
{
MessageBox.Show("Invalid Username Or Password.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
connection = new OleDbConnection(connectionString);
string query = "SELECT * FROM UserData WHERE MOBILE = '" + emailOrMobile + "';";
connection.Open();
command = new OleDbCommand(query, connection);
OleDbDataReader reader = command.ExecuteReader();
if (reader.HasRows)
{
reader.Read();
string firstName = reader[1].ToString();
string surName = reader[2].ToString();
string mobileOrEmail = reader[3].ToString();
byte[] key = GenerateKey(firstName, surName, mobileOrEmail);
string dbPassword = blockCipher.Decrypt(reader[4].ToString(), key);
if (password == dbPassword)
{
MessageBox.Show("Login Successful", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Invalid Password.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Invalid Username.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
connection.Close();
command.Dispose();
}
}
public static void Listener()
{
while (IsOpen)
{
var endPoint = new IPEndPoint(IPAddress.Any, 0);
while (Sock.Available > 0)
{
var data = Sock.Receive(ref endPoint);
LastMessageIn = DateTime.UtcNow;
bool readRaw = Encryptor == null ||
data.Take(Packet.MagicNumber.Length).SequenceEqual(Packet.MagicNumber);
Packet packet =
readRaw ? Packet.FromBytes(data)
: Packet.FromBytes(Encryptor.Decrypt(data));
switch ((kIntraMasterId)packet.Id)
{
case kIntraMasterId.KeyExchange:
var responsePacket = Key.ParseRequestPacket(packet);
Encryptor = new BlockCipher(Key.PrivateKey);
if (responsePacket != null)
{
Send(responsePacket);
}
else
{
LastMessageIn = new DateTime(0);
}
break;
case kIntraMasterId.PositiveAck:
Console.WriteLine($"Packet type {packet[0].Raw[0]} accepted by master");
break;
case kIntraMasterId.NegativeAck:
Console.WriteLine($"Packet type {packet[0].Raw[0]} declined by master for reason {packet[1].Str}");
break;
case kIntraMasterId.EncryptionError:
Key = new Key();
Encryptor = null;
LastMessageIn = new DateTime(0);
break;
}
}
if (Encryptor != null)
{
if (DeltaLastOut.TotalSeconds > 2)
{
SendEncrypted(ServerContext.StatusUpdatePacket);
}
}
else
if (DeltaLastOut.TotalSeconds > 10)
{
Send(new Packet(kIntraSlaveId.InitiationAttempt, Configuration.General["Master Secret"].Str));
}
Thread.Sleep(1);
}
}