internal static SMBCommand GetWriteResponse(SMBHeader header, WriteAndXRequest request, object share, StateObject state) { uint bytesWritten = PerformWrite(header, share, request.FID, request.Offset, request.Data, state); if (header.Status != NTStatus.STATUS_SUCCESS) { return(new ErrorResponse(CommandName.SMB_COM_WRITE_ANDX)); } WriteAndXResponse response = new WriteAndXResponse(); response.Count = bytesWritten; if (share is FileSystemShare) { // If the client wrote to a disk file, this field MUST be set to 0xFFFF. response.Available = 0xFFFF; } return(response); }
internal static SMB1Command GetWriteResponse(SMB1Header header, WriteAndXRequest request, ISMBShare share, SMB1ConnectionState state) { SMB1Session session = state.GetSession(header.UID); OpenFileObject openFile = session.GetOpenFileObject(request.FID); if (openFile == null) { state.LogToServer(Severity.Verbose, "Write failed. Invalid FID. (UID: {0}, TID: {1}, FID: {2})", header.UID, header.TID, request.FID); header.Status = NTStatus.STATUS_INVALID_HANDLE; return(new ErrorResponse(request.CommandName)); } if (share is FileSystemShare) { if (!((FileSystemShare)share).HasWriteAccess(session.SecurityContext, openFile.Path)) { state.LogToServer(Severity.Verbose, "Write to '{0}{1}' failed. User '{2}' was denied access.", share.Name, openFile.Path, session.UserName); header.Status = NTStatus.STATUS_ACCESS_DENIED; return(new ErrorResponse(request.CommandName)); } } int numberOfBytesWritten; header.Status = share.FileStore.WriteFile(out numberOfBytesWritten, openFile.Handle, (long)request.Offset, request.Data); if (header.Status != NTStatus.STATUS_SUCCESS) { state.LogToServer(Severity.Verbose, "Write to '{0}{1}' failed. NTStatus: {2}. (FID: {3})", share.Name, openFile.Path, header.Status, request.FID); return(new ErrorResponse(request.CommandName)); } WriteAndXResponse response = new WriteAndXResponse(); response.Count = (uint)numberOfBytesWritten; if (share is FileSystemShare) { // If the client wrote to a disk file, this field MUST be set to 0xFFFF. response.Available = 0xFFFF; } return(response); }