private SMB2Command ProcessSMB2Command(SMB2Command command, SMB2ConnectionState state)
{
if (command is SessionSetupRequest)
{
return(SessionSetupHelper.GetSessionSetupResponse((SessionSetupRequest)command, m_securityProvider, state));
}
else if (command is EchoRequest)
{
return(new EchoResponse());
}
else
{
SMB2Session session = state.GetSession(command.Header.SessionID);
if (session == null)
{
return(new ErrorResponse(command.CommandName, NTStatus.STATUS_USER_SESSION_DELETED));
}
if (command is TreeConnectRequest)
{
return(TreeConnectHelper.GetTreeConnectResponse((TreeConnectRequest)command, state, m_services, m_shares));
}
else if (command is LogoffRequest)
{
state.LogToServer(Severity.Information, "Logoff: User '{0}' logged off. (SessionID: {1})", session.UserName, command.Header.SessionID);
m_securityProvider.DeleteSecurityContext(ref session.SecurityContext.AuthenticationContext);
state.RemoveSession(command.Header.SessionID);
return(new LogoffResponse());
}
else if (command.Header.IsAsync)
{
// TreeID will not be present in an ASYNC header
if (command is CancelRequest)
{
return(CancelHelper.GetCancelResponse((CancelRequest)command, state));
}
}
else
{
ISMBShare share = session.GetConnectedTree(command.Header.TreeID);
if (share == null)
{
state.LogToServer(Severity.Verbose, "{0} failed. Invalid TreeID (SessionID: {1}, TreeID: {2}).", command.CommandName, command.Header.SessionID, command.Header.TreeID);
return(new ErrorResponse(command.CommandName, NTStatus.STATUS_NETWORK_NAME_DELETED));
}
if (command is TreeDisconnectRequest)
{
return(TreeConnectHelper.GetTreeDisconnectResponse((TreeDisconnectRequest)command, share, state));
}
else if (command is CreateRequest)
{
return(CreateHelper.GetCreateResponse((CreateRequest)command, share, state));
}
else if (command is QueryInfoRequest)
{
return(QueryInfoHelper.GetQueryInfoResponse((QueryInfoRequest)command, share, state));
}
else if (command is SetInfoRequest)
{
return(SetInfoHelper.GetSetInfoResponse((SetInfoRequest)command, share, state));
}
else if (command is QueryDirectoryRequest)
{
return(QueryDirectoryHelper.GetQueryDirectoryResponse((QueryDirectoryRequest)command, share, state));
}
else if (command is ReadRequest)
{
return(ReadWriteResponseHelper.GetReadResponse((ReadRequest)command, share, state));
}
else if (command is WriteRequest)
{
return(ReadWriteResponseHelper.GetWriteResponse((WriteRequest)command, share, state));
}
else if (command is LockRequest)
{
return(LockHelper.GetLockResponse((LockRequest)command, share, state));
}
else if (command is FlushRequest)
{
return(ReadWriteResponseHelper.GetFlushResponse((FlushRequest)command, share, state));
}
else if (command is CloseRequest)
{
return(CloseHelper.GetCloseResponse((CloseRequest)command, share, state));
}
else if (command is IOCtlRequest)
{
return(IOCtlHelper.GetIOCtlResponse((IOCtlRequest)command, share, state));
}
else if (command is CancelRequest)
{
return(CancelHelper.GetCancelResponse((CancelRequest)command, state));
}
else if (command is ChangeNotifyRequest)
{
return(ChangeNotifyHelper.GetChangeNotifyInterimResponse((ChangeNotifyRequest)command, share, state));
}
}
}
return(new ErrorResponse(command.CommandName, NTStatus.STATUS_NOT_SUPPORTED));
}