public void Run()
{
this.hDB = new MySqlConnection("Server=" + BlindNetConst.DatabaseIP + ";Database=BlindChat;Uid=root;Pwd=kit2020;");
this.hDB.Open();
recvSock = GetChatRecvSocket();
sendSock = GetChatSendSocket();
IPEndPoint iep = (IPEndPoint)(recvSock.socket.RemoteEndPoint);
logger = new Logger(UserID, iep.Address.ToString(), LogService.Chat);
SetOnline((int)UserStat.Online);
byte[] data;
while (true)
{
data = recvSock.CryptoReceiveMsg();
if (data == null)
{
recvSock.Close();
sendSock.Close();
SetOnline((int)UserStat.Offline);
global.ListBlindChat.Remove(this);
logger.Log(LogRank.INFO, "BlindChat Disconnected");
return;
}
ChatPacket chatPacket = BlindNetUtil.ByteToStruct <ChatPacket>(data);
if (chatPacket.Type == ChatType.Time)
{
ClientUpdateData(chatPacket);
logger.Log(LogRank.INFO, "Chat Data Synchronized");
}
else if (chatPacket.Type == ChatType.NewRoom)
{
ExecuteNewRoom(chatPacket);
logger.Log(LogRank.INFO, "Created New Chat Room");
}
else if (chatPacket.Type == ChatType.Message)
{
MessageToParticipants(chatPacket);
}
else if (chatPacket.Type == ChatType.RoomJoined)
{
ExecuteInvitation(chatPacket);
}
else if (chatPacket.Type == ChatType.Exit)
{
ExecuteExit(chatPacket);
}
}
}
public void Run()
{
connection = new MySqlConnection("Server = " + BlindNetConst.DatabaseIP + "; Port = 3306; Database = document_center; Uid = root; Pwd = kit2020");
mainSocket = new BlindServerScoket(BlindNetConst.ServerIP, BlindNetConst.OPENNERPORT);
mainSocket.BindListen();
while (true)
{
BlindSocket client = mainSocket.AcceptWithECDH();
IPEndPoint iep = (IPEndPoint)(client.socket.RemoteEndPoint);
Console.WriteLine("Accepted {0} : {1}", iep.Address, iep.Port);
if (client == null)
{
continue;
}
byte[] data = BlindNetUtil.ByteTrimEndNull(client.CryptoReceiveMsg());
byte[] tmp = new byte[4];
Array.Copy(data, 0, tmp, 0, data.Length);
string ext = GetExt(BitConverter.ToUInt32(tmp, 0));
if (ext == null)
{
client.CryptoSend(null, PacketType.Disconnect);
continue;
}
client.CryptoSend(Encoding.UTF8.GetBytes(ext), PacketType.Info);
data = BlindNetUtil.ByteTrimEndNull(client.CryptoReceiveMsg());
tmp = new byte[4];
Array.Copy(data, 0, tmp, 0, data.Length);
int encryptDate = BitConverter.ToInt32(tmp, 0);
byte[] key, iv;
if (!GetSpecifyKeyPair(out key, out iv, encryptDate))
{
client.CryptoSend(null, PacketType.Disconnect);
continue;
}
client.CryptoSend(key, PacketType.Info);
client.CryptoSend(iv, PacketType.Info);
byte[] latestKey, latestIv;
if (!GetLatestKeyPair(out latestKey, out latestIv))
{
client.CryptoSend(null, PacketType.Disconnect);
continue;
}
client.CryptoSend(latestKey, PacketType.Info);
client.CryptoSend(latestIv, PacketType.Info);
client.Close();
}
}
private void MainForm_Shown(object sender, EventArgs e)
{
VPNClass = new VPN_Class();
//클라이언트 cid 서버로부터 받아오기
//ClientID = "test1";
string SendMsg = ClientID + "," + isInner; //아이디 + 내부 외부 보내서 외부면 vpn로그남김 (isInner bool형. 디버그했을때 실질적인 값 : true -> "True" | false -> "False")
byte[] SendStringToByteGender = Encoding.UTF8.GetBytes(SendMsg); // String -> bytes 변환
mainSocket.CryptoSend(SendStringToByteGender, PacketType.Response); //서버로 클라이언트 id 보냄
blindClientCidPacket = mainSocket.CryptoReceive(); // 서버로부터 cid받아옴
byte[] data = BlindNetUtil.ByteTrimEndNull(blindClientCidPacket.data); // 넑값 지움
byte[] tmp = new byte[4];
Array.Copy(data, 0, tmp, 0, data.Length);
uint ClintCID = BitConverter.ToUInt32(tmp, 0);
if (ClintCID == 0) //서버에서 아이디를 조회못했을때 0반환
{
MessageBox.Show("서버로부터 id를 받지 못하였거나 등록되지 않은 아이디입니다." + Environment.NewLine + "\t 관리자에게 문의하십시요.");
mainSocket.Close();
Application.Exit();
return;
}
//각 기능 객체 및 Task 생성
TaskScheduler scheduler = TaskScheduler.Default;
token = new CancellationTokenSource();
documentCenter = new Doc_Center(document_Center, isInner);
documentCenter.Run();
document_Center.docCenter = documentCenter;
_ChatMain = new ChatMain(ClintCID);
_ChatMain.Dock = DockStyle.Fill;
MainControlPanel.Controls.Add(_ChatMain);
//Func
chat = new BlindChat(ClintCID, ref _ChatMain, this);
tChat = Task.Factory.StartNew(() => chat.Run(), token.Token, TaskCreationOptions.LongRunning, scheduler);
//ScreenLocking
lockForm = new LockForm(isInner, ClientID);
lockForm.connect();
MessageBox.Show("락 연결!");
deviceDriver = new DeviceDriverHelper();
tDeviceDriver = Task.Factory.StartNew(() => deviceDriver.Run(), token.Token, TaskCreationOptions.LongRunning, scheduler);
}
static async void AddConnectedUser(BlindSocket socket)
{
if (socket == null)
{
return;
}
IPEndPoint iep = (IPEndPoint)(socket.socket.RemoteEndPoint);
//로그인 인증
uint cid;
byte[] ClientReceiveMsg = socket.CryptoReceiveMsg(); // 아이디,isinner 받음. (bool형. 디버그했을때 실질적인 값 : true -> "True" | false -> "False")
string ClientGenderMsg = Encoding.UTF8.GetString(ClientReceiveMsg); // 바이트 -> 스트링
if (Encoding.UTF8.GetString(ClientReceiveMsg) != "\0")
{
cid = GetClientID(ClientGenderMsg.Split(',')[0].ToString()); //[0] -> dkdlel
}
else
{
cid = 0;
}
logger = new Logger(cid, iep.Address.ToString(), LogService.Login);
if (cid != 0)
{
logger.Log(LogRank.INFO, "[Login Success] " + "Login ID : \"" + ClientGenderMsg.Split(',')[0].ToString() + "\" " +
"VPN Whether: \"" + (ClientGenderMsg.Split(',')[1].ToString() == "True" ? "True" : "False") + "\"");
}
else
{
logger.Log(LogRank.WARN, "[Login Fail] " + "Login ID : \"" + ClientGenderMsg.Split(',')[0].ToString() + "\" " +
"VPN Whether: \"" + (ClientGenderMsg.Split(',')[1].ToString() == "True" ? "True" : "False") + "\"");
}
socket.CryptoSend(BitConverter.GetBytes(cid), PacketType.Response);//cid 보냄
if (cid == 0)
{
socket.Close();
return;
}
uint[] gids = GetGids(cid);
Console.WriteLine("Accepted {0} : {1}" + $"({cid})", iep.Address, iep.Port);
//Client 구조체 초기화 및 추가
TaskScheduler scheduler = TaskScheduler.Default;
BlindClient client = new BlindClient();
client.socket = socket;
client.token = new CancellationTokenSource();
client.documentCenter = new Doc_Center(cid, gids); //기능 객체 생성
client.tDocumentCenter = Task.Factory.StartNew(() => client.documentCenter.Run(), client.token.Token, TaskCreationOptions.LongRunning, scheduler); //기능 객체의 최초 함수 실행
client.chat = new BlindChat(cid);
client.tChat = Task.Factory.StartNew(() => client.chat.Run(), client.token.Token, TaskCreationOptions.LongRunning, scheduler);
client.blindLock = new BlindLock(cid);
client.tBlindLock = Task.Factory.StartNew(() => client.blindLock.Run(), client.token.Token, TaskCreationOptions.LongRunning, scheduler);
client.blindWebDevice = new BlindWebDevice(cid);
client.tBlindWebDevice = Task.Factory.StartNew(() => client.blindWebDevice.Run(), client.token.Token, TaskCreationOptions.LongRunning, scheduler);
Clients.Add(client);
}
static void Main(string[] args)
{
#if !DEBUG
var handl = GetConsoleWindow();
ShowWindow(handl, SW_HIDE);
#endif
if (args.Length != 1)
{
MessageBox.Show("잘못된 접근입니다.", "오류");
//return;
}
string test = @"C:\Users\rgh48\Downloads\부서원 인적사항.blind";
FileInfo file = new FileInfo(test);
if (!file.Exists)
{
MessageBox.Show("파일이 존재하지 않습니다.", "파일 열기");
return;
}
FileStream fs = file.Open(FileMode.Open);
byte[] buffer = new byte[fs.Length];
Task <int> taskRead = fs.ReadAsync(buffer, 0, (int)file.Length);
BlindSocket socket = new BlindSocket();
Console.WriteLine("Start connecting.");
//Task<bool> taskCon = socket.ConnectWithECDHAsync(BlindNetConst.ServerIP, BlindNetConst.OPENNERPORT);
//taskCon.Wait();
//if (!taskCon.Result)
socket.ConnectWithECDH(BlindNetConst.ServerIP, BlindNetConst.OPENNERPORT);
if (false)
{
MessageBox.Show("서버와 연결에 실패했습니다.", "파일 열기");
return;
}
Console.WriteLine("Connected with server.");
taskRead.Wait();
if (taskRead.Result == 0)
{
MessageBox.Show("파일 읽기에 실패했습니다.", "파일 열기");
return;
}
fs.Close();
uint id = BitConverter.ToUInt32(buffer, 0);
string ext = GetSpecifyExt(id, socket);
if (ext == null)
{
return;
}
Cryptography.AES256 aes256;
if (!GetAES(ref buffer, socket, out aes256))
{
return;
}
Console.WriteLine("Start decrypted");
byte[] decrypted = aes256.Decryption(buffer);
Console.WriteLine("Decrypted");
string tempFilePath = Path.GetTempPath() + Path.GetFileNameWithoutExtension(args[0]) + ext;
MakeTempFile(tempFilePath, decrypted);
Console.WriteLine("File maked");
Process procFile = Process.Start(tempFilePath);
Cryptography.AES256 latestAes;
if (!GetLatestAES(socket, out latestAes))
{
MessageBox.Show("최신 키 받아오기를 실패했습니다.");
return;
}
socket.Close();
procFile.WaitForExit();
Console.WriteLine("Canceled");
FileInfo decFile = new FileInfo(tempFilePath);
FileStream decFs = decFile.OpenRead();
buffer = new byte[decFile.Length];
decFs.Read(buffer, 0, (int)decFile.Length);
decFs.Close();
buffer = AddDataToFile(id, latestAes.Encryption(buffer));
FileStream encFs = file.Open(FileMode.Open);
encFs.Write(buffer, 0, buffer.Length);
encFs.Close();
decFile.Delete();
}