public SMB1Session(SMB1ConnectionState connection, ushort userID, string userName, string machineName, byte[] sessionKey, object accessToken) { m_connection = connection; m_userID = userID; m_sessionKey = sessionKey; m_securityContext = new SecurityContext(userName, machineName, connection.ClientEndPoint, connection.AuthenticationContext, accessToken); m_creationDT = DateTime.Now; }
/// <summary> /// May return an empty list /// </summary> private List <SMB1Command> ProcessSMB1Command(SMB1Header header, SMB1Command command, ref ConnectionState state) { if (state.Dialect == SMBDialect.NotSet) { if (command is NegotiateRequest) { NegotiateRequest request = (NegotiateRequest)command; if (request.Dialects.Contains(SMBServer.NTLanManagerDialect)) { state = new SMB1ConnectionState(state); state.Dialect = SMBDialect.NTLM012; m_connectionManager.AddConnection(state); if (EnableExtendedSecurity && header.ExtendedSecurityFlag) { return(NegotiateHelper.GetNegotiateResponseExtended(request, m_serverGuid)); } else { return(NegotiateHelper.GetNegotiateResponse(header, request, m_securityProvider, state)); } } else { return(new NegotiateResponseNotSupported()); } } else { // [MS-CIFS] An SMB_COM_NEGOTIATE exchange MUST be completed before any other SMB messages are sent to the server header.Status = NTStatus.STATUS_INVALID_SMB; return(new ErrorResponse(command.CommandName)); } } else if (command is NegotiateRequest) { // There MUST be only one SMB_COM_NEGOTIATE exchange per SMB connection. // Subsequent SMB_COM_NEGOTIATE requests received by the server MUST be rejected with error responses. header.Status = NTStatus.STATUS_INVALID_SMB; return(new ErrorResponse(command.CommandName)); } else { return(ProcessSMB1Command(header, command, (SMB1ConnectionState)state)); } }
private List <SMB1Command> ProcessSMB1Command(SMB1Header header, SMB1Command command, SMB1ConnectionState state) { if (command is SessionSetupAndXRequest) { SessionSetupAndXRequest request = (SessionSetupAndXRequest)command; state.MaxBufferSize = request.MaxBufferSize; return(SessionSetupHelper.GetSessionSetupResponse(header, request, m_securityProvider, state)); } else if (command is SessionSetupAndXRequestExtended) { SessionSetupAndXRequestExtended request = (SessionSetupAndXRequestExtended)command; state.MaxBufferSize = request.MaxBufferSize; return(SessionSetupHelper.GetSessionSetupResponseExtended(header, request, m_securityProvider, state)); } else if (command is EchoRequest) { return(ServerResponseHelper.GetEchoResponse((EchoRequest)command)); } else { SMB1Session session = state.GetSession(header.UID); if (session == null) { header.Status = NTStatus.STATUS_USER_SESSION_DELETED; return(new ErrorResponse(command.CommandName)); } if (command is TreeConnectAndXRequest) { TreeConnectAndXRequest request = (TreeConnectAndXRequest)command; return(TreeConnectHelper.GetTreeConnectResponse(header, request, state, m_services, m_shares)); } else if (command is LogoffAndXRequest) { state.LogToServer(Severity.Information, "Logoff: User '{0}' logged off.", session.UserName); m_securityProvider.DeleteSecurityContext(ref session.SecurityContext.AuthenticationContext); state.RemoveSession(header.UID); return(new LogoffAndXResponse()); } else { ISMBShare share = session.GetConnectedTree(header.TID); if (share == null) { header.Status = NTStatus.STATUS_SMB_BAD_TID; return(new ErrorResponse(command.CommandName)); } if (command is CreateDirectoryRequest) { CreateDirectoryRequest request = (CreateDirectoryRequest)command; return(FileStoreResponseHelper.GetCreateDirectoryResponse(header, request, share, state)); } else if (command is DeleteDirectoryRequest) { DeleteDirectoryRequest request = (DeleteDirectoryRequest)command; return(FileStoreResponseHelper.GetDeleteDirectoryResponse(header, request, share, state)); } else if (command is CloseRequest) { CloseRequest request = (CloseRequest)command; return(ServerResponseHelper.GetCloseResponse(header, request, share, state)); } else if (command is FlushRequest) { return(new FlushResponse()); } else if (command is DeleteRequest) { DeleteRequest request = (DeleteRequest)command; return(FileStoreResponseHelper.GetDeleteResponse(header, request, share, state)); } else if (command is RenameRequest) { RenameRequest request = (RenameRequest)command; return(FileStoreResponseHelper.GetRenameResponse(header, request, share, state)); } else if (command is QueryInformationRequest) { QueryInformationRequest request = (QueryInformationRequest)command; return(FileStoreResponseHelper.GetQueryInformationResponse(header, request, share, state)); } else if (command is SetInformationRequest) { SetInformationRequest request = (SetInformationRequest)command; return(FileStoreResponseHelper.GetSetInformationResponse(header, request, share, state)); } else if (command is ReadRequest) { ReadRequest request = (ReadRequest)command; return(ReadWriteResponseHelper.GetReadResponse(header, request, share, state)); } else if (command is WriteRequest) { WriteRequest request = (WriteRequest)command; return(ReadWriteResponseHelper.GetWriteResponse(header, request, share, state)); } else if (command is CheckDirectoryRequest) { CheckDirectoryRequest request = (CheckDirectoryRequest)command; return(FileStoreResponseHelper.GetCheckDirectoryResponse(header, request, share, state)); } else if (command is WriteRawRequest) { // [MS-CIFS] 3.3.5.26 - Receiving an SMB_COM_WRITE_RAW Request: // the server MUST verify that the Server.Capabilities include CAP_RAW_MODE, // If an error is detected [..] the Write Raw operation MUST fail and // the server MUST return a Final Server Response [..] with the Count field set to zero. return(new WriteRawFinalResponse()); } else if (command is SetInformation2Request) { SetInformation2Request request = (SetInformation2Request)command; return(FileStoreResponseHelper.GetSetInformation2Response(header, request, share, state)); } else if (command is LockingAndXRequest) { header.Status = NTStatus.STATUS_ACCESS_DENIED; return(new ErrorResponse(command.CommandName)); } else if (command is OpenAndXRequest) { OpenAndXRequest request = (OpenAndXRequest)command; return(OpenAndXHelper.GetOpenAndXResponse(header, request, share, state)); } else if (command is ReadAndXRequest) { ReadAndXRequest request = (ReadAndXRequest)command; return(ReadWriteResponseHelper.GetReadResponse(header, request, share, state)); } else if (command is WriteAndXRequest) { WriteAndXRequest request = (WriteAndXRequest)command; return(ReadWriteResponseHelper.GetWriteResponse(header, request, share, state)); } else if (command is FindClose2Request) { return(ServerResponseHelper.GetFindClose2Request(header, (FindClose2Request)command, state)); } else if (command is TreeDisconnectRequest) { TreeDisconnectRequest request = (TreeDisconnectRequest)command; return(TreeConnectHelper.GetTreeDisconnectResponse(header, request, share, state)); } else if (command is TransactionRequest) // Both TransactionRequest and Transaction2Request { TransactionRequest request = (TransactionRequest)command; return(TransactionHelper.GetTransactionResponse(header, request, share, state)); } else if (command is TransactionSecondaryRequest) // Both TransactionSecondaryRequest and Transaction2SecondaryRequest { TransactionSecondaryRequest request = (TransactionSecondaryRequest)command; return(TransactionHelper.GetTransactionResponse(header, request, share, state)); } else if (command is NTTransactRequest) { NTTransactRequest request = (NTTransactRequest)command; return(NTTransactHelper.GetNTTransactResponse(header, request, share, state)); } else if (command is NTTransactSecondaryRequest) { NTTransactSecondaryRequest request = (NTTransactSecondaryRequest)command; return(NTTransactHelper.GetNTTransactResponse(header, request, share, state)); } else if (command is NTCreateAndXRequest) { NTCreateAndXRequest request = (NTCreateAndXRequest)command; return(NTCreateHelper.GetNTCreateResponse(header, request, share, state)); } } } header.Status = NTStatus.STATUS_SMB_BAD_COMMAND; return(new ErrorResponse(command.CommandName)); }
public SMB1AsyncContext CreateAsyncContext(ushort userID, ushort treeID, uint processID, ushort multiplexID, ushort fileID, SMB1ConnectionState connection) { SMB1AsyncContext context = new SMB1AsyncContext(); context.UID = userID; context.TID = treeID; context.MID = multiplexID; context.PID = processID; context.FileID = fileID; context.Connection = connection; lock (m_pendingRequests) { m_pendingRequests.Add(context); } return(context); }