private void ProcessConnectionInvalidCredentials()
{
var resp = new ServiceMessageResponse {
Message = "Invalid user credentials!"
};
this.cryptoWrapper.Send(resp.ToBytes());
this.FreeTCPClient();
Log.DebugFormat(
"Logon from IP '{0}' failed: Login '{1}'//Password not recognized",
this.clientIpAddress,
this.Login);
}
private void ProcessLogon(ServiceMessage serviceMessage)
{
// Logon attempt
var credentials = LogonCredentials.FromBytes(serviceMessage.Data);
if (!this.dataContext.ValidateLoginPass(credentials.Login, credentials.Password))
{
this.ProcessConnectionInvalidCredentials();
return;
}
// Check if user with same login is already logged in
if (this.server.IsLoggedIn(credentials.Login))
{
var existingClient = this.server.GetChatClient(credentials.Login);
if (existingClient.PokeForAlive())
{
// Client with login <login> still alive -> new login attempt invalid
var resp = new ServiceMessageResponse {
Message = "This login is already used"
};
this.cryptoWrapper.Send(resp.ToBytes());
this.FreeTCPClient();
Log.DebugFormat(
"Logon from IP '{0}' failed: User '{1}' already logged on",
this.clientIpAddress,
credentials.Login);
}
else
{
// Old client app which used current login is unresponsive -> dispose of it and add new
this.server.RemoveClient(credentials.Login);
Log.DebugFormat(
"Old client app which used login '{0}' is unresponsive -> dispose of it and add new",
credentials.Login);
this.server.AddLoggedInUser(credentials.Login, this);
}
}
else
{
this.server.AddLoggedInUser(credentials.Login, this);
this.cryptoWrapper.Send(ServiceMessageResponse.Success.ToBytes());
Log.DebugFormat(
"Logon from IP '{0}' success: User '{1}' from IP logged on",
this.clientIpAddress,
credentials.Login);
}
this.Login = credentials.Login;
}
public int LogOnInvalidMessage1()
{
try
{
var creds = new LogonCredentials {
Login = this.Login, Password = this.password
};
var serializedCreds = creds.ToBytes();
var serviceMessage = new ServiceMessage {
MessageType = MessageType.Logon, Data = serializedCreds
};
var serviceMessageSerialized = serviceMessage.ToBytes();
// Craft corrupted message
var data = new byte[4 + 10];
BitConverter.GetBytes(12).CopyTo(data, 0);
this.stream.Write(data, 0, data.Length); // Send corrupted message
var respData = this.cryptoWrapper.Receive();
var smr = ServiceMessageResponse.FromBytes(respData);
if (smr.IsSuccess)
{
Logger.Debug(string.Format("Logon succeeded for user '{0}'", this.Login));
return(0);
}
else
{
Logger.Debug(string.Format("Logon failed for user '{0}'. Reason: '{1}'", this.Login, smr.Message));
this.FreeClient();
return(1);
}
}
catch (ArgumentNullException ex)
{
Logger.Error(ex.ToString);
return(3);
}
catch (SocketException ex)
{
Logger.Error(ex.ToString);
return(4);
}
catch (Exception ex)
{
Logger.Error(ex.ToString);
return(5);
}
}
public int LogOn()
{
try
{
var creds = new LogonCredentials {
Login = this.Login, Password = this.password
};
var serializedCreds = creds.ToBytes();
var serviceMessage = new ServiceMessage {
MessageType = MessageType.Logon, Data = serializedCreds
};
this.cryptoWrapper.Send(serviceMessage.ToBytes());
var respData = this.cryptoWrapper.Receive();
var smr = ServiceMessageResponse.FromBytes(respData);
if (smr.IsSuccess)
{
Logger.Debug(string.Format("Logon succeeded for user '{0}'", this.Login));
return(0);
}
else
{
Logger.Debug(string.Format("Logon failed for user '{0}'. Reason: '{1}'", this.Login, smr.Message));
this.FreeClient();
return(1);
}
}
catch (ArgumentNullException ex)
{
Logger.Error(ex.ToString);
return(3);
}
catch (SocketException ex)
{
Logger.Error(ex.ToString);
return(4);
}
catch (Exception ex)
{
Logger.Error(ex.ToString);
return(5);
}
}
private void ProcessLogon(ServiceMessage serviceMessage)
{
// Logon attempt
var credentials = LogonCredentials.FromBytes(serviceMessage.Data);
if (!this.dataContext.ValidateLoginPass(credentials.Login, credentials.Password))
{
this.ProcessConnectionInvalidCredentials();
return;
}
// Check if user with same login is already logged in
if (this.server.IsLoggedIn(credentials.Login))
{
var existingClient = this.server.GetChatClient(credentials.Login);
if (existingClient.PokeForAlive())
{
// Client with login <login> still alive -> new login attempt invalid
var resp = new ServiceMessageResponse { Message = "This login is already used"};
this.cryptoWrapper.Send(resp.ToBytes());
this.FreeTCPClient();
Log.DebugFormat(
"Logon from IP '{0}' failed: User '{1}' already logged on",
this.clientIpAddress,
credentials.Login);
}
else
{
// Old client app which used current login is unresponsive -> dispose of it and add new
this.server.RemoveClient(credentials.Login);
Log.DebugFormat(
"Old client app which used login '{0}' is unresponsive -> dispose of it and add new",
credentials.Login);
this.server.AddLoggedInUser(credentials.Login, this);
}
}
else
{
this.server.AddLoggedInUser(credentials.Login, this);
this.cryptoWrapper.Send(ServiceMessageResponse.Success.ToBytes());
Log.DebugFormat(
"Logon from IP '{0}' success: User '{1}' from IP logged on",
this.clientIpAddress,
credentials.Login);
}
this.Login = credentials.Login;
}
private void ProcessConnectionInvalidCredentials()
{
var resp = new ServiceMessageResponse { Message = "Invalid user credentials!" };
this.cryptoWrapper.Send(resp.ToBytes());
this.FreeTCPClient();
Log.DebugFormat(
"Logon from IP '{0}' failed: Login '{1}'//Password not recognized",
this.clientIpAddress,
this.Login);
}
