private static extern int WNetAddConnection2(NetResource netResource,
string password, string username, int flags);
private void DoWorkConnect(object sender, DoWorkEventArgs eventArgs)
{
try
{
IPEndPoint ipep = new IPEndPoint(IPAddress.Parse(Ip), Port);
uclient = new UdpClient();
uclient.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
uclient.DontFragment = true;
uclient.Connect(ipep);
tcpclnt = new TcpClient();
Console.WriteLine("Connecting.....");
Status = 2;
tcpclnt.NoDelay = true;
tcpclnt.Connect(Ip, Port);
Console.WriteLine("Connected");
tcpclnt.GetStream().Write(publicKey, 0, publicKey.Length);
byte[] serverPublicKey = new byte[72];
tcpclnt.GetStream().Read(serverPublicKey, 0, 72);
byte[] derivedKey =
exch.DeriveKeyMaterial(CngKey.Import(serverPublicKey, CngKeyBlobFormat.EccPublicBlob));
StreamWriter stream = new StreamWriter(tcpclnt.GetStream());
stream.WriteLine(Username);
stream.Flush();
Aes aes = new AesCryptoServiceProvider();
aes.Key = derivedKey;
byte[] bytes = new byte[aes.BlockSize / 8];
bytes.Initialize();
System.Buffer.BlockCopy(Username.ToCharArray(), 0, bytes, 0,
bytes.Length > Username.Length * sizeof(char) ? Username.Length * sizeof(char) : bytes.Length);
aes.IV = bytes;
ICryptoTransform encryptor = aes.CreateEncryptor(aes.Key, aes.IV);
MemoryStream ms = new MemoryStream(64);
CryptoStream csEncrypt = new CryptoStream(ms, encryptor, CryptoStreamMode.Write);
byte[] passArr = Encoding.UTF8.GetBytes(Password);
csEncrypt.Write(passArr, 0, passArr.Length);
csEncrypt.Close();
byte[] tosend = ms.ToArray();
string encpass = Convert.ToBase64String(tosend, 0, tosend.Length);
stream.WriteLine(encpass);
stream.Flush();
byte[] auth = new byte[sizeof(bool)];
tcpclnt.GetStream().Read(auth, 0, sizeof(bool));
bool result = BitConverter.ToBoolean(auth, 0);
eventArgs.Result = result;
}
catch (Exception ioe)
{
eventArgs.Result = false;
}
if ((bool)eventArgs.Result)
{
Action act = new Action(() =>
{
var netResource = new NetResource()
{
Scope = ResourceScope.GlobalNetwork,
ResourceType = ResourceType.Disk,
DisplayType = ResourceDisplaytype.Share,
RemoteName = "\\\\" + Ip + "\\C"
};
var result = WNetAddConnection2(
netResource,
Password,
null,
0x00000004 | 0x00000008 | 0x1000);
if (result != 0)
{
Console.WriteLine("Result not zero: " + result);
}
});
Thread t = new Thread(() => act());
t.Start();
}
}