Example #1
0
/**
  Create a lit of driver option from global DriverMenu.

  @param CallbackData    The BMM context data.

**/
VOID
UpdateDrvAddHandlePage (
  IN BMM_CALLBACK_DATA                *CallbackData
  )
{
  BM_MENU_ENTRY *NewMenuEntry;
  UINT16        Index;

  CallbackData->BmmAskSaveOrNot = FALSE;

  UpdatePageStart (CallbackData);

  for (Index = 0; Index < DriverMenu.MenuNumber; Index++) {
    NewMenuEntry = BOpt_GetMenuEntry (&DriverMenu, Index);

    HiiCreateGotoOpCode (
      mStartOpCodeHandle,
      FORM_DRV_ADD_HANDLE_DESC_ID,
      NewMenuEntry->DisplayStringToken,
      STRING_TOKEN (STR_NULL_STRING),
      EFI_IFR_FLAG_CALLBACK,
      (UINT16) (HANDLE_OPTION_OFFSET + Index)
      );
  }

  UpdatePageEnd (CallbackData);
}
Example #2
0
/**
  Create a list of Goto Opcode for all terminal devices logged
  by TerminaMenu. This list will be inserted to form FORM_CON_COM_SETUP_ID.

  @param CallbackData    The BMM context data.
**/
VOID
UpdateConCOMPage (
  IN BMM_CALLBACK_DATA                *CallbackData
  )
{
  BM_MENU_ENTRY *NewMenuEntry;
  UINT16        Index;

  CallbackData->BmmAskSaveOrNot = FALSE;

  UpdatePageStart (CallbackData);


  for (Index = 0; Index < TerminalMenu.MenuNumber; Index++) {
    NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Index);

    HiiCreateGotoOpCode (
      mStartOpCodeHandle,
      FORM_CON_COM_SETUP_ID,
      NewMenuEntry->DisplayStringToken,
      STRING_TOKEN (STR_NULL_STRING),
      EFI_IFR_FLAG_CALLBACK,
      (UINT16) (TERMINAL_OPTION_OFFSET + Index)
      );
  }

  UpdatePageEnd (CallbackData);
}
Example #3
0
/**

  Update the File Explore page.

**/
VOID
LibUpdateFileExplorePage (
  VOID
  )
{
  UINTN           Index;
  MENU_ENTRY      *NewMenuEntry;
  FILE_CONTEXT    *NewFileContext;
  MENU_OPTION     *MenuOption;

  NewMenuEntry    = NULL;
  NewFileContext  = NULL;

  LibRefreshUpdateData ();
  MenuOption = gFileExplorerPrivate.FsOptionMenu;

  for (Index = 0; Index < MenuOption->MenuNumber; Index++) {
    NewMenuEntry    = LibGetMenuEntry (MenuOption, Index);
    NewFileContext  = (FILE_CONTEXT *) NewMenuEntry->VariableContext;

    if (!NewFileContext->IsDir) {
      //
      // Create Text opcode for directory, also create Text opcode for file in FileExplorerStateBootFromFile.
      //
      HiiCreateActionOpCode (
        mLibStartOpCodeHandle,
        (UINT16) (FILE_OPTION_OFFSET + Index),
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL_STRING),
        EFI_IFR_FLAG_CALLBACK,
        0
        );
    } else {
      //
      // Create Goto opcode for file in FileExplorerStateAddBootOption or FileExplorerStateAddDriverOptionState.
      //
      HiiCreateGotoOpCode (
        mLibStartOpCodeHandle,
        FORM_FILE_EXPLORER_ID,
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL_STRING),
        EFI_IFR_FLAG_CALLBACK,
        (UINT16) (FILE_OPTION_OFFSET + Index)
        );
    }
  }

  HiiUpdateForm (
    gFileExplorerPrivate.FeHiiHandle,
    &FileExplorerGuid,
    FORM_FILE_EXPLORER_ID,
    mLibStartOpCodeHandle, // Label FORM_FILE_EXPLORER_ID
    mLibEndOpCodeHandle    // LABEL_END
    );
}
Example #4
0
/**
  Add a username item in form.

  @param[in]  User          Points to the user profile whose username is added.
  @param[in]  Index         The index of the user in the user name list
  @param[in]  OpCodeHandle  Points to container for dynamic created opcodes.

**/
VOID
AddUserToForm (
  IN  EFI_USER_PROFILE_HANDLE                   User,
  IN  UINT16                                    Index,
  IN  VOID                                      *OpCodeHandle
  )
{
  EFI_STRING_ID NameId;

  //
  // Get user name
  //
  NameId = GetUserName (User);
  if (NameId == 0) {
    return ;
  }

  //
  // Create user name option.
  //
  switch (Index & KEY_FIRST_FORM_MASK) {
  case KEY_MODIFY_USER:
    HiiCreateGotoOpCode (
      OpCodeHandle,                   // Container for dynamic created opcodes
      FORMID_USER_INFO,               // Target Form ID
      NameId,                         // Prompt text
      STRING_TOKEN (STR_NULL_STRING), // Help text
      EFI_IFR_FLAG_CALLBACK,          // Question flag
      Index                           // Question ID
      );
    break;

  case KEY_DEL_USER:
    HiiCreateActionOpCode (
      OpCodeHandle,                   // Container for dynamic created opcodes
      Index,                          // Question ID
      NameId,                         // Prompt text
      STRING_TOKEN (STR_NULL_STRING), // Help text
      EFI_IFR_FLAG_CALLBACK,          // Question flag
      0                               // Action String ID
      );
    break;

  default:
    break;
  }
}
Example #5
0
/**
  Add a "Go back to main page" tag in front of the form when there are no
  "Apply changes" and "Discard changes" tags in the end of the form.
 
  @param CallbackData    The BMM context data.

**/
VOID
UpdatePageStart (
  IN BMM_CALLBACK_DATA                *CallbackData
  )
{
  RefreshUpdateData ();
  mStartLabel->Number = CallbackData->BmmCurrentPageId;

  if (!(CallbackData->BmmAskSaveOrNot)) {
    //
    // Add a "Go back to main page" tag in front of the form when there are no
    // "Apply changes" and "Discard changes" tags in the end of the form.
    //
    HiiCreateGotoOpCode (
      mStartOpCodeHandle,
      FORM_MAIN_ID,
      STRING_TOKEN (STR_FORM_GOTO_MAIN),
      STRING_TOKEN (STR_FORM_GOTO_MAIN),
      0,
      FORM_MAIN_ID
      );
  }
}
Example #6
0
/**

  Update the File Explore page.

**/
VOID
LibUpdateFileExplorePage (
  VOID
  )
{
  UINTN           Index;
  MENU_ENTRY      *NewMenuEntry;
  FILE_CONTEXT    *NewFileContext;
  MENU_OPTION     *MenuOption;
  BOOLEAN         CreateNewFile;

  NewMenuEntry    = NULL;
  NewFileContext  = NULL;
  CreateNewFile   = FALSE;

  LibRefreshUpdateData ();
  MenuOption = gFileExplorerPrivate.FsOptionMenu;

  mQuestionIdUpdate += QUESTION_ID_UPDATE_STEP;

  for (Index = 0; Index < MenuOption->MenuNumber; Index++) {
    NewMenuEntry    = LibGetMenuEntry (MenuOption, Index);
    NewFileContext  = (FILE_CONTEXT *) NewMenuEntry->VariableContext;

    if (!NewFileContext->IsRoot && !CreateNewFile) {
      HiiCreateGotoOpCode (
        mLibStartOpCodeHandle,
        FORM_ADD_NEW_FILE_ID,
        STRING_TOKEN (STR_NEW_FILE),
        STRING_TOKEN (STR_NEW_FILE_HELP),
        EFI_IFR_FLAG_CALLBACK,
        (UINT16) (mNewFileQuestionId++)
        );
      HiiCreateGotoOpCode (
        mLibStartOpCodeHandle,
        FORM_ADD_NEW_FOLDER_ID,
        STRING_TOKEN (STR_NEW_FOLDER),
        STRING_TOKEN (STR_NEW_FOLDER_HELP),
        EFI_IFR_FLAG_CALLBACK,
        (UINT16) (mNewFolderQuestionId++)
        );
      HiiCreateTextOpCode(
        mLibStartOpCodeHandle,
        STRING_TOKEN (STR_NULL_STRING),
        STRING_TOKEN (STR_NULL_STRING),
        0
        );
      CreateNewFile = TRUE;
    }

    if (!NewFileContext->IsDir) {
      //
      // Create Text opcode for directory, also create Text opcode for file in FileExplorerStateBootFromFile.
      //
      HiiCreateActionOpCode (
        mLibStartOpCodeHandle,
        (UINT16) (FILE_OPTION_OFFSET + Index + mQuestionIdUpdate),
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL_STRING),
        EFI_IFR_FLAG_CALLBACK,
        0
        );
    } else {
      //
      // Create Goto opcode for file in FileExplorerStateAddBootOption or FileExplorerStateAddDriverOptionState.
      //
      HiiCreateGotoOpCode (
        mLibStartOpCodeHandle,
        FORM_FILE_EXPLORER_ID,
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL_STRING),
        EFI_IFR_FLAG_CALLBACK,
        (UINT16) (FILE_OPTION_OFFSET + Index + mQuestionIdUpdate)
        );
    }
  }

  HiiUpdateForm (
    gFileExplorerPrivate.FeHiiHandle,
    &FileExplorerGuid,
    FORM_FILE_EXPLORER_ID,
    mLibStartOpCodeHandle, // Label FORM_FILE_EXPLORER_ID
    mLibEndOpCodeHandle    // LABEL_END
    );
}
Example #7
0
/**
  Update the File Explore page.

  @param CallbackData    The BMM context data.
  @param MenuOption      Pointer to menu options to display.

**/
VOID
UpdateFileExplorePage (
  IN BMM_CALLBACK_DATA            *CallbackData,
  BM_MENU_OPTION                  *MenuOption
  )
{
  UINTN           Index;
  BM_MENU_ENTRY   *NewMenuEntry;
  BM_FILE_CONTEXT *NewFileContext;
  EFI_FORM_ID     FormId;

  NewMenuEntry    = NULL;
  NewFileContext  = NULL;
  FormId          = 0;

  RefreshUpdateData ();
  mStartLabel->Number = FORM_FILE_EXPLORER_ID;

  for (Index = 0; Index < MenuOption->MenuNumber; Index++) {
    NewMenuEntry    = BOpt_GetMenuEntry (MenuOption, Index);
    NewFileContext  = (BM_FILE_CONTEXT *) NewMenuEntry->VariableContext;

    if (NewFileContext->IsBootLegacy) {
      continue;
    }

    if ((NewFileContext->IsDir) || (FileExplorerStateBootFromFile == CallbackData->FeCurrentState)) {
      //
      // Create Text opcode for directory, also create Text opcode for file in FileExplorerStateBootFromFile.
      //
      HiiCreateActionOpCode (
        mStartOpCodeHandle,
        (UINT16) (FILE_OPTION_OFFSET + Index),
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL_STRING),
        EFI_IFR_FLAG_CALLBACK,
        0
        );
    } else {
      //
      // Create Goto opcode for file in FileExplorerStateAddBootOption or FileExplorerStateAddDriverOptionState.
      //
      if (FileExplorerStateAddBootOption == CallbackData->FeCurrentState) {
        FormId = FORM_BOOT_ADD_DESCRIPTION_ID;
      } else if (FileExplorerStateAddDriverOptionState == CallbackData->FeCurrentState) {
        FormId = FORM_DRIVER_ADD_FILE_DESCRIPTION_ID;
      }

      HiiCreateGotoOpCode (
        mStartOpCodeHandle,
        FormId,
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL_STRING),
        EFI_IFR_FLAG_CALLBACK,
        (UINT16) (FILE_OPTION_OFFSET + Index)
        );
    }
  }

  HiiUpdateForm (
    CallbackData->FeHiiHandle,
    &mFileExplorerGuid,
    FORM_FILE_EXPLORER_ID,
    mStartOpCodeHandle, // Label FORM_FILE_EXPLORER_ID
    mEndOpCodeHandle    // LABEL_END
    );
}
Example #8
0
/**
  Dynamic create Hii information for Device Manager.

  @param   NextShowFormId     The FormId which need to be show.

**/
VOID
CreateDeviceManagerForm(
  IN EFI_FORM_ID      NextShowFormId
)
{
  UINTN                       Index;
  EFI_STRING                  String;
  EFI_STRING_ID               Token;
  EFI_STRING_ID               TokenHelp;
  EFI_HII_HANDLE              *HiiHandles;
  EFI_HII_HANDLE              HiiHandle;
  EFI_GUID                    FormSetGuid;
  VOID                        *StartOpCodeHandle;
  VOID                        *EndOpCodeHandle;
  EFI_IFR_GUID_LABEL          *StartLabel;
  EFI_IFR_GUID_LABEL          *EndLabel;
  BOOLEAN                     AddNetworkMenu;
  UINTN                       AddItemCount;
  UINTN                       NewStringLen;
  EFI_STRING                  NewStringTitle;
  CHAR16                      *DevicePathStr;
  EFI_STRING_ID               DevicePathId;
  EFI_IFR_FORM_SET            *Buffer;      
  UINTN                       BufferSize;   
  UINT8                       ClassGuidNum; 
  EFI_GUID                    *ClassGuid;   
  UINTN                       TempSize;
  UINT8                       *Ptr;
  EFI_STATUS                  Status;

  TempSize =0;
  BufferSize = 0;
  Buffer = NULL;

  HiiHandle = gDeviceManagerPrivate.HiiHandle;
  AddNetworkMenu = FALSE;
  AddItemCount = 0;
  //
  // If need show the Network device list form, clear the old save list first.
  //
  if ((NextShowFormId == NETWORK_DEVICE_LIST_FORM_ID) && (mMacDeviceList.CurListLen > 0)) {
    mMacDeviceList.CurListLen = 0;
  }

  //
  // Update the network device form titile.
  //
  if (NextShowFormId == NETWORK_DEVICE_FORM_ID) {
    String = HiiGetString (HiiHandle, STRING_TOKEN (STR_FORM_NETWORK_DEVICE_TITLE), NULL);
    NewStringLen = StrLen(mSelectedMacAddrString) * 2;
    NewStringLen += (StrLen(String) + 2) * 2;
    NewStringTitle = AllocatePool (NewStringLen);
    UnicodeSPrint (NewStringTitle, NewStringLen, L"%s %s", String, mSelectedMacAddrString);
    HiiSetString (HiiHandle, STRING_TOKEN (STR_FORM_NETWORK_DEVICE_TITLE), NewStringTitle, NULL);    
    FreePool (String);
    FreePool (NewStringTitle);
  }

  //
  // Allocate space for creation of UpdateData Buffer
  //
  StartOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (StartOpCodeHandle != NULL);

  EndOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (EndOpCodeHandle != NULL);

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  //
  // According to the next show Form id(mNextShowFormId) to decide which form need to update.
  //
  StartLabel->Number       = (UINT16) (LABEL_FORM_ID_OFFSET + NextShowFormId);

  //
  // Create Hii Extend Label OpCode as the end opcode
  //
  EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  EndLabel->Number       = LABEL_END;

  //
  // Get all the Hii handles
  //
  HiiHandles = HiiGetHiiHandles (NULL);
  ASSERT (HiiHandles != NULL);

  //
  // Search for formset of each class type
  //
  for (Index = 0; HiiHandles[Index] != NULL; Index++) {
    Status = HiiGetFormSetFromHiiHandle(HiiHandles[Index], &Buffer,&BufferSize);
    if (EFI_ERROR (Status)){
      continue;
    }
    Ptr = (UINT8 *)Buffer;
    while(TempSize < BufferSize)  {
      TempSize += ((EFI_IFR_OP_HEADER *) Ptr)->Length;
      if (((EFI_IFR_OP_HEADER *) Ptr)->Length <= OFFSET_OF (EFI_IFR_FORM_SET, Flags)){
        Ptr += ((EFI_IFR_OP_HEADER *) Ptr)->Length;
        continue;
      } 

      ClassGuidNum = (UINT8) (((EFI_IFR_FORM_SET *)Ptr)->Flags & 0x3);
      ClassGuid = (EFI_GUID *) (VOID *)(Ptr + sizeof (EFI_IFR_FORM_SET));
      while (ClassGuidNum-- > 0) {
        if (CompareGuid (&gEfiHiiPlatformSetupFormsetGuid, ClassGuid)== 0) {
          ClassGuid ++;
          continue;
        }

        String = HiiGetString (HiiHandles[Index], ((EFI_IFR_FORM_SET *)Ptr)->FormSetTitle, NULL);
        if (String == NULL) {
          String = HiiGetString (HiiHandle, STRING_TOKEN (STR_MISSING_STRING), NULL);
          ASSERT (String != NULL);
        }
        Token = HiiSetString (HiiHandle, 0, String, NULL);
        FreePool (String);

        String = HiiGetString (HiiHandles[Index], ((EFI_IFR_FORM_SET *)Ptr)->Help, NULL);
        if (String == NULL) {
          String = HiiGetString (HiiHandle, STRING_TOKEN (STR_MISSING_STRING), NULL);
          ASSERT (String != NULL);
        }
        TokenHelp = HiiSetString (HiiHandle, 0, String, NULL);
        FreePool (String);

        FormSetGuid = ((EFI_IFR_FORM_SET *)Ptr)->Guid;

        //
        // Network device process
        // 
        if (IsNeedAddNetworkMenu (HiiHandles[Index], NextShowFormId,&AddItemCount)) {
          if (NextShowFormId == DEVICE_MANAGER_FORM_ID) {
            //
            // Only show one menu item "Network Config" in the device manger form.
            //
            if (!AddNetworkMenu) {
              AddNetworkMenu = TRUE;
              HiiCreateGotoOpCode (
                StartOpCodeHandle,
                NETWORK_DEVICE_LIST_FORM_ID,
                STRING_TOKEN (STR_FORM_NETWORK_DEVICE_LIST_TITLE),
                STRING_TOKEN (STR_FORM_NETWORK_DEVICE_LIST_HELP),
                EFI_IFR_FLAG_CALLBACK,
                (EFI_QUESTION_ID) QUESTION_NETWORK_DEVICE_ID
              );
            }
          } else if (NextShowFormId == NETWORK_DEVICE_LIST_FORM_ID) {
            //
            // In network device list form, same mac address device only show one menu.
            //
            while (AddItemCount > 0) {
              HiiCreateGotoOpCode (
                StartOpCodeHandle,
                NETWORK_DEVICE_FORM_ID,
                mMacDeviceList.NodeList[mMacDeviceList.CurListLen - AddItemCount].PromptId,
                STRING_TOKEN (STR_NETWORK_DEVICE_HELP),
                EFI_IFR_FLAG_CALLBACK,
                mMacDeviceList.NodeList[mMacDeviceList.CurListLen - AddItemCount].QuestionId
              );
              AddItemCount -= 1;
            }
          } else if (NextShowFormId == NETWORK_DEVICE_FORM_ID) {
            //
            // In network device form, only the selected mac address device need to be show.
            //
            DevicePathStr = DmExtractDevicePathFromHiiHandle(HiiHandles[Index]);
            DevicePathId  = 0;
            if (DevicePathStr != NULL){
              DevicePathId =  HiiSetString (HiiHandle, 0, DevicePathStr, NULL);
              FreePool(DevicePathStr);
            }
            HiiCreateGotoExOpCode (
              StartOpCodeHandle,
              0,
              Token,
              TokenHelp,
              0,
              (EFI_QUESTION_ID) (Index + DEVICE_KEY_OFFSET),
              0,
              &FormSetGuid,    
              DevicePathId
            );
          }
        } else {
          //
          // Not network device process, only need to show at device manger form.
          //
          if (NextShowFormId == DEVICE_MANAGER_FORM_ID) {
            DevicePathStr = DmExtractDevicePathFromHiiHandle(HiiHandles[Index]);
            DevicePathId  = 0;
            if (DevicePathStr != NULL){
              DevicePathId =  HiiSetString (HiiHandle, 0, DevicePathStr, NULL);
              FreePool(DevicePathStr);
            }
            HiiCreateGotoExOpCode (
              StartOpCodeHandle,
              0,
              Token,
              TokenHelp,
              0,
              (EFI_QUESTION_ID) (Index + DEVICE_KEY_OFFSET),
              0,
              &FormSetGuid,
              DevicePathId
            );
          }
        }
        break;
      }

      Ptr += ((EFI_IFR_OP_HEADER *) Ptr)->Length;
    }
    FreePool(Buffer);
    Buffer = NULL;
    TempSize = 0;
    BufferSize = 0;
  }

  HiiUpdateForm (
    HiiHandle,
    &mDeviceManagerGuid,
    NextShowFormId,
    StartOpCodeHandle,
    EndOpCodeHandle
    );

  HiiFreeOpCodeHandle (StartOpCodeHandle);
  HiiFreeOpCodeHandle (EndOpCodeHandle);
  FreePool (HiiHandles);
}
Example #9
0
/**
  Initialize the Boot Maintenance Utitliy.


  @retval  EFI_SUCCESS      utility ended successfully
  @retval  others           contain some errors

**/
EFI_STATUS
InitializeBM (
  VOID
  )
{
  EFI_LEGACY_BIOS_PROTOCOL    *LegacyBios;
  BMM_CALLBACK_DATA           *BmmCallbackInfo;
  EFI_STATUS                  Status;
  UINT8                       *Ptr;

  Status = EFI_SUCCESS;

  //
  // Create CallbackData structures for Driver Callback
  //
  BmmCallbackInfo = AllocateZeroPool (sizeof (BMM_CALLBACK_DATA));
  if (BmmCallbackInfo == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }

  //
  // Create LoadOption in BmmCallbackInfo for Driver Callback
  //
  Ptr = AllocateZeroPool (sizeof (BM_LOAD_CONTEXT) + sizeof (BM_FILE_CONTEXT) + sizeof (BM_HANDLE_CONTEXT) + sizeof (BM_MENU_ENTRY));
  if (Ptr == NULL) {
    FreePool (BmmCallbackInfo);
    return EFI_OUT_OF_RESOURCES;
  }

  //
  // Initialize Bmm callback data.
  //
  BmmCallbackInfo->LoadContext = (BM_LOAD_CONTEXT *) Ptr;
  Ptr += sizeof (BM_LOAD_CONTEXT);

  BmmCallbackInfo->FileContext = (BM_FILE_CONTEXT *) Ptr;
  Ptr += sizeof (BM_FILE_CONTEXT);

  BmmCallbackInfo->HandleContext = (BM_HANDLE_CONTEXT *) Ptr;
  Ptr += sizeof (BM_HANDLE_CONTEXT);

  BmmCallbackInfo->MenuEntry      = (BM_MENU_ENTRY *) Ptr;

  BmmCallbackInfo->Signature                     = BMM_CALLBACK_DATA_SIGNATURE;
  BmmCallbackInfo->BmmConfigAccess.ExtractConfig = BootMaintExtractConfig;
  BmmCallbackInfo->BmmConfigAccess.RouteConfig   = FakeRouteConfig;
  BmmCallbackInfo->BmmConfigAccess.Callback      = BootMaintCallback;
  BmmCallbackInfo->BmmPreviousPageId             = FORM_MAIN_ID;
  BmmCallbackInfo->BmmCurrentPageId              = FORM_MAIN_ID;
  BmmCallbackInfo->FeConfigAccess.ExtractConfig  = FakeExtractConfig;
  BmmCallbackInfo->FeConfigAccess.RouteConfig    = FakeRouteConfig;
  BmmCallbackInfo->FeConfigAccess.Callback       = FileExplorerCallback;
  BmmCallbackInfo->FeCurrentState                = FileExplorerStateInActive;
  BmmCallbackInfo->FeDisplayContext              = FileExplorerDisplayUnknown;

  //
  // Install Device Path Protocol and Config Access protocol to driver handle
  //
  Status = gBS->InstallMultipleProtocolInterfaces (
                  &BmmCallbackInfo->BmmDriverHandle,
                  &gEfiDevicePathProtocolGuid,
                  &mBmmHiiVendorDevicePath,
                  &gEfiHiiConfigAccessProtocolGuid,
                  &BmmCallbackInfo->BmmConfigAccess,
                  NULL
                  );
  if (EFI_ERROR (Status)) {
    goto Exit;
  }

  //
  // Install Device Path Protocol and Config Access protocol to driver handle
  //
  Status = gBS->InstallMultipleProtocolInterfaces (
                  &BmmCallbackInfo->FeDriverHandle,
                  &gEfiDevicePathProtocolGuid,
                  &mFeHiiVendorDevicePath,
                  &gEfiHiiConfigAccessProtocolGuid,
                  &BmmCallbackInfo->FeConfigAccess,
                  NULL
                  );
  if (EFI_ERROR (Status)) {
    goto Exit;
  }

  //
  // Post our Boot Maint VFR binary to the HII database.
  //
  BmmCallbackInfo->BmmHiiHandle = HiiAddPackages (
                                    &gBootMaintFormSetGuid,
                                    BmmCallbackInfo->BmmDriverHandle,
                                    BmBin,
                                    BdsDxeStrings,
                                    NULL
                                    );
  ASSERT (BmmCallbackInfo->BmmHiiHandle != NULL);

  //
  // Post our File Explorer VFR binary to the HII database.
  //
  BmmCallbackInfo->FeHiiHandle = HiiAddPackages (
                                   &gFileExploreFormSetGuid,
                                   BmmCallbackInfo->FeDriverHandle,
                                   FEBin,
                                   BdsDxeStrings,
                                   NULL
                                   );
  ASSERT (BmmCallbackInfo->FeHiiHandle != NULL);

  //
  // Init OpCode Handle and Allocate space for creation of Buffer
  //
  mStartOpCodeHandle = HiiAllocateOpCodeHandle ();
  if (mStartOpCodeHandle == NULL) {
    Status = EFI_OUT_OF_RESOURCES;
    goto Exit;
  }

  mEndOpCodeHandle = HiiAllocateOpCodeHandle ();
  if (mEndOpCodeHandle == NULL) {
    Status = EFI_OUT_OF_RESOURCES;
    goto Exit;
  }

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (mStartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;

  //
  // Create Hii Extend Label OpCode as the end opcode
  //
  mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (mEndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  mEndLabel->Number       = LABEL_END;

  InitializeStringDepository ();

  InitAllMenu (BmmCallbackInfo);

  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &ConsoleInpMenu);
  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &ConsoleOutMenu);
  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &ConsoleErrMenu);
  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &BootOptionMenu);
  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &DriverOptionMenu);
  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &TerminalMenu);
  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &DriverMenu);

  UpdateBootDelPage (BmmCallbackInfo);
  UpdateDrvDelPage (BmmCallbackInfo);

  if (TerminalMenu.MenuNumber > 0) {
    BmmCallbackInfo->CurrentTerminal = 0;
    UpdateTerminalPage (BmmCallbackInfo);
  }

  Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);
  if (!EFI_ERROR (Status)) {
    RefreshUpdateData ();
    mStartLabel->Number = FORM_BOOT_LEGACY_DEVICE_ID;

    //
    // If LegacyBios Protocol is installed, add 3 tags about legacy boot option
    // in BootOption form: legacy FD/HD/CD/NET/BEV
    //
    HiiCreateGotoOpCode (
      mStartOpCodeHandle,
      FORM_SET_FD_ORDER_ID,
      STRING_TOKEN (STR_FORM_SET_FD_ORDER_TITLE),
      STRING_TOKEN (STR_FORM_SET_FD_ORDER_TITLE),
      EFI_IFR_FLAG_CALLBACK,
      FORM_SET_FD_ORDER_ID
      );

    HiiCreateGotoOpCode (
      mStartOpCodeHandle,
      FORM_SET_HD_ORDER_ID,
      STRING_TOKEN (STR_FORM_SET_HD_ORDER_TITLE),
      STRING_TOKEN (STR_FORM_SET_HD_ORDER_TITLE),
      EFI_IFR_FLAG_CALLBACK,
      FORM_SET_HD_ORDER_ID
      );

    HiiCreateGotoOpCode (
      mStartOpCodeHandle,
      FORM_SET_CD_ORDER_ID,
      STRING_TOKEN (STR_FORM_SET_CD_ORDER_TITLE),
      STRING_TOKEN (STR_FORM_SET_CD_ORDER_TITLE),
      EFI_IFR_FLAG_CALLBACK,
      FORM_SET_CD_ORDER_ID
      );

    HiiCreateGotoOpCode (
      mStartOpCodeHandle,
      FORM_SET_NET_ORDER_ID,
      STRING_TOKEN (STR_FORM_SET_NET_ORDER_TITLE),
      STRING_TOKEN (STR_FORM_SET_NET_ORDER_TITLE),
      EFI_IFR_FLAG_CALLBACK,
      FORM_SET_NET_ORDER_ID
      );

    HiiCreateGotoOpCode (
      mStartOpCodeHandle,
      FORM_SET_BEV_ORDER_ID,
      STRING_TOKEN (STR_FORM_SET_BEV_ORDER_TITLE),
      STRING_TOKEN (STR_FORM_SET_BEV_ORDER_TITLE),
      EFI_IFR_FLAG_CALLBACK,
      FORM_SET_BEV_ORDER_ID
      );
    
    HiiUpdateForm (
      BmmCallbackInfo->BmmHiiHandle,
      &gBootMaintFormSetGuid,
      FORM_BOOT_SETUP_ID,
      mStartOpCodeHandle, // Label FORM_BOOT_LEGACY_DEVICE_ID
      mEndOpCodeHandle    // LABEL_END
      );
  }

  //
  // Dispatch BMM main formset and File Explorer formset.
  //
  FormSetDispatcher (BmmCallbackInfo);

  //
  // Remove our IFR data from HII database
  //
  HiiRemovePackages (BmmCallbackInfo->BmmHiiHandle);
  HiiRemovePackages (BmmCallbackInfo->FeHiiHandle);

  CleanUpStringDepository ();

  FreeAllMenu ();

Exit:
  if (mStartOpCodeHandle != NULL) {
    HiiFreeOpCodeHandle (mStartOpCodeHandle);
  }

  if (mEndOpCodeHandle != NULL) {
    HiiFreeOpCodeHandle (mEndOpCodeHandle);
  }

  if (BmmCallbackInfo->FeDriverHandle != NULL) {
    gBS->UninstallMultipleProtocolInterfaces (
           BmmCallbackInfo->FeDriverHandle,
           &gEfiDevicePathProtocolGuid,
           &mFeHiiVendorDevicePath,
           &gEfiHiiConfigAccessProtocolGuid,
           &BmmCallbackInfo->FeConfigAccess,
           NULL
           );
  }

  if (BmmCallbackInfo->BmmDriverHandle != NULL) {
    gBS->UninstallMultipleProtocolInterfaces (
           BmmCallbackInfo->BmmDriverHandle,
           &gEfiDevicePathProtocolGuid,
           &mBmmHiiVendorDevicePath,
           &gEfiHiiConfigAccessProtocolGuid,
           &BmmCallbackInfo->BmmConfigAccess,
           NULL
           );
  }

  FreePool (BmmCallbackInfo->LoadContext);
  FreePool (BmmCallbackInfo);

  return Status;
}
/**
  Update the File Explore page.

  @param[in] HiiHandle          Hii Handle of the package to be updated.
  @param[in] MenuOption         The Menu whose string tokens need to be updated.
  @param[in] FeCurrentState     Current file explorer state.

**/
VOID
UpdateFileExplorePage (
  IN EFI_HII_HANDLE               HiiHandle,
  IN SECUREBOOT_MENU_OPTION       *MenuOption,
  IN FILE_EXPLORER_STATE          FeCurrentState
  )
{
  UINTN                   Index;
  SECUREBOOT_MENU_ENTRY   *NewMenuEntry;
  SECUREBOOT_FILE_CONTEXT *NewFileContext;
  EFI_FORM_ID             FormId;
  EFI_FORM_ID             FileFormId;

  if (FeCurrentState == FileExplorerStateEnrollPkFile) {
    FormId     = SECUREBOOT_ADD_PK_FILE_FORM_ID;
    FileFormId = FORM_FILE_EXPLORER_ID_PK;
  } else if (FeCurrentState == FileExplorerStateEnrollKekFile) {
    FormId     = FORMID_ENROLL_KEK_FORM;
    FileFormId = FORM_FILE_EXPLORER_ID_KEK;
  } else if (FeCurrentState == FileExplorerStateEnrollSignatureFileToDb) {
    FormId     = SECUREBOOT_ENROLL_SIGNATURE_TO_DB;
    FileFormId = FORM_FILE_EXPLORER_ID_DB;
  } else if (FeCurrentState == FileExplorerStateEnrollSignatureFileToDbx) {
    FormId     = SECUREBOOT_ENROLL_SIGNATURE_TO_DBX;
    FileFormId = FORM_FILE_EXPLORER_ID_DBX;
  } else if (FeCurrentState == FileExplorerStateEnrollSignatureFileToDbt) {
    FormId     = SECUREBOOT_ENROLL_SIGNATURE_TO_DBT;
    FileFormId = FORM_FILE_EXPLORER_ID_DBT;
  } else {
    return;
  }

  NewMenuEntry    = NULL;
  NewFileContext  = NULL;

  RefreshUpdateData ();
  mStartLabel->Number = FORM_FILE_EXPLORER_ID;

  for (Index = 0; Index < MenuOption->MenuNumber; Index++) {
    NewMenuEntry    = GetMenuEntry (MenuOption, Index);
    NewFileContext  = (SECUREBOOT_FILE_CONTEXT *) NewMenuEntry->FileContext;

    if (NewFileContext->IsDir) {
      //
      // Create Text opcode for directory.
      //
      HiiCreateActionOpCode (
        mStartOpCodeHandle,
        (UINT16) (FILE_OPTION_OFFSET + Index),
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL),
        EFI_IFR_FLAG_CALLBACK,
        0
        );
    } else {

      //
      // Create Goto opcode for file.
      //
      HiiCreateGotoOpCode (
        mStartOpCodeHandle,
        FormId,
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL),
        EFI_IFR_FLAG_CALLBACK,
        (UINT16) (FILE_OPTION_GOTO_OFFSET + Index)
        );
    }
  }

  HiiUpdateForm (
    HiiHandle,
    &gSecureBootConfigFormSetGuid,
    FileFormId,
    mStartOpCodeHandle, // Label FORM_FILE_EXPLORER_ID
    mEndOpCodeHandle    // LABEL_END
    );
}
Example #11
0
/**
  This function processes changes in user profile configuration.

  @param  This                   Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
  @param  Action                 Specifies the type of action taken by the browser.
  @param  QuestionId             A unique value which is sent to the original
                                 exporting driver so that it can identify the type
                                 of data to expect.
  @param  Type                   The type of value for the question.
  @param  Value                  A pointer to the data being sent to the original
                                 exporting driver.
  @param  ActionRequest          On return, points to the action requested by the
                                 callback function.

  @retval EFI_SUCCESS            The callback successfully handled the action.
  @retval Others                 Fail to handle the action.

**/
EFI_STATUS
EFIAPI
UserProfileManagerCallback (
  IN  CONST EFI_HII_CONFIG_ACCESS_PROTOCOL      *This,
  IN  EFI_BROWSER_ACTION                        Action,
  IN  EFI_QUESTION_ID                           QuestionId,
  IN  UINT8                                     Type,
  IN  EFI_IFR_TYPE_VALUE                        *Value,
  OUT EFI_BROWSER_ACTION_REQUEST                *ActionRequest
  )
{
  EFI_STATUS               Status;
  EFI_INPUT_KEY            Key;
  UINT32                   CurrentAccessRight;
  CHAR16                   *QuestionStr;
  CHAR16                   *PromptStr;
  VOID                     *StartOpCodeHandle;
  VOID                     *EndOpCodeHandle;
  EFI_IFR_GUID_LABEL       *StartLabel;
  EFI_IFR_GUID_LABEL       *EndLabel;
  EFI_USER_PROFILE_HANDLE  CurrentUser;

  Status = EFI_SUCCESS;

  switch (Action) {
  case EFI_BROWSER_ACTION_FORM_OPEN:
    {
      //
      // Update user manage Form when user manage Form is opened.
      // This will be done only in FORM_OPEN CallBack of question with QUESTIONID_USER_MANAGE from user manage Form.
      //
      if (QuestionId != QUESTIONID_USER_MANAGE) {
        return EFI_SUCCESS;
      }

      //
      // Get current user
      //
      CurrentUser = NULL;
      mUserManager->Current (mUserManager, &CurrentUser);
      if (CurrentUser == NULL) {
        DEBUG ((DEBUG_ERROR, "Error: current user does not exist!\n"));
        return EFI_NOT_READY;
      }

      //
      // Get current user's right information.
      //
      Status = GetAccessRight (&CurrentAccessRight);
      if (EFI_ERROR (Status)) {
        CurrentAccessRight = EFI_USER_INFO_ACCESS_ENROLL_SELF;
      }

      //
      // Init credential provider information.
      //
      Status = InitProviderInfo ();
      if (EFI_ERROR (Status)) {
        return Status;
      }

      //
      // Initialize the container for dynamic opcodes.
      //
      StartOpCodeHandle = HiiAllocateOpCodeHandle ();
      ASSERT (StartOpCodeHandle != NULL);

      EndOpCodeHandle = HiiAllocateOpCodeHandle ();
      ASSERT (EndOpCodeHandle != NULL);

      //
      // Create Hii Extend Label OpCode.
      //
      StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                            StartOpCodeHandle,
                                            &gEfiIfrTianoGuid,
                                            NULL,
                                            sizeof (EFI_IFR_GUID_LABEL)
                                            );
      StartLabel->ExtendOpCode  = EFI_IFR_EXTEND_OP_LABEL;
      StartLabel->Number        = LABEL_USER_MANAGE_FUNC;

      EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                          EndOpCodeHandle,
                                          &gEfiIfrTianoGuid,
                                          NULL,
                                          sizeof (EFI_IFR_GUID_LABEL)
                                          );
      EndLabel->ExtendOpCode  = EFI_IFR_EXTEND_OP_LABEL;
      EndLabel->Number        = LABEL_END;

      //
      // Add user profile option.
      //
      if ((CurrentAccessRight == EFI_USER_INFO_ACCESS_MANAGE) ||
          (CurrentAccessRight == EFI_USER_INFO_ACCESS_ENROLL_OTHERS)
          ) {
        HiiCreateActionOpCode (
          StartOpCodeHandle,                  // Container for dynamic created opcodes
          KEY_ADD_USER,                       // Question ID
          STRING_TOKEN (STR_ADD_USER_TITLE),  // Prompt text
          STRING_TOKEN (STR_ADD_USER_HELP),   // Help text
          EFI_IFR_FLAG_CALLBACK,              // Question flag
          0                                   // Action String ID
          );
      }

      //
      // Add modify user profile option.
      //
      HiiCreateGotoOpCode (
        StartOpCodeHandle,                    // Container for dynamic created opcodes
        FORMID_MODIFY_USER,                   // Target Form ID
        STRING_TOKEN (STR_MODIFY_USER_TITLE), // Prompt text
        STRING_TOKEN (STR_MODIFY_USER_HELP),  // Help text
        EFI_IFR_FLAG_CALLBACK,                // Question flag
        KEY_MODIFY_USER                       // Question ID
        );

      //
      // Add delete user profile option
      //
      if (CurrentAccessRight == EFI_USER_INFO_ACCESS_MANAGE) {
        HiiCreateGotoOpCode (
          StartOpCodeHandle,                    // Container for dynamic created opcodes
          FORMID_DEL_USER,                      // Target Form ID
          STRING_TOKEN (STR_DELETE_USER_TITLE), // Prompt text
          STRING_TOKEN (STR_DELETE_USER_HELP),  // Help text
          EFI_IFR_FLAG_CALLBACK,                // Question flag
          KEY_DEL_USER                          // Question ID
          );
      }

      HiiUpdateForm (
        mCallbackInfo->HiiHandle,               // HII handle
        &gUserProfileManagerGuid,               // Formset GUID
        FORMID_USER_MANAGE,                     // Form ID
        StartOpCodeHandle,                      // Label for where to insert opcodes
        EndOpCodeHandle                         // Replace data
        );

      HiiFreeOpCodeHandle (StartOpCodeHandle);
      HiiFreeOpCodeHandle (EndOpCodeHandle);

      return EFI_SUCCESS;
    }
    break;

  case EFI_BROWSER_ACTION_FORM_CLOSE:
    Status = EFI_SUCCESS;
    break;

  case EFI_BROWSER_ACTION_CHANGED:
  {
    //
    // Handle the request from form.
    //
    if ((Value == NULL) || (ActionRequest == NULL)) {
      return EFI_INVALID_PARAMETER;
    }

    //
    // Judge first 2 bits.
    //
    switch (QuestionId & KEY_FIRST_FORM_MASK) {
    //
    // Add user profile operation.
    //
    case KEY_ADD_USER:
      CallAddUser ();
      break;

    //
    // Delete user profile operation.
    //
    case KEY_DEL_USER:
      //
      // Judge next 2 bits.
      //
      switch (QuestionId & KEY_SECOND_FORM_MASK) {
      //
      // Delete specified user profile.
      //
      case KEY_SELECT_USER:
        DeleteUser ((UINT8) QuestionId);
        //
        // Update select user form after delete a user.
        //
        SelectUserToDelete ();
        break;

      default:
        break;
      }
      break;

    //
    // Modify user profile operation.
    //
    case KEY_MODIFY_USER:
      //
      // Judge next 2 bits.
      //
      switch (QuestionId & KEY_SECOND_FORM_MASK) {
      //
      // Enter user profile information form.
      //
      case KEY_SELECT_USER:
        //
        // Judge next 3 bits.
        //
        switch (QuestionId & KEY_MODIFY_INFO_MASK) {
        //
        // Modify user name.
        //
        case KEY_MODIFY_NAME:
          ModifyUserName ();
          //
          // Update username in parent form.
          //
          SelectUserToModify ();
          break;

        //
        // Modify identity policy.
        //
        case KEY_MODIFY_IP:
          //
          // Judge next 3 bits
          //
          switch (QuestionId & KEY_MODIFY_IP_MASK) {
          //
          // Change credential provider option.
          //
          case KEY_MODIFY_PROV:
            mProviderChoice = Value->u8;
            break;

          //
          // Change logical connector.
          //
          case KEY_MODIFY_CONN:
            mConncetLogical = Value->u8;
            break;

          //
          // Save option.
          //
          case KEY_ADD_IP_OP:
            AddIdentityPolicyItem ();
            break;

          //
          // Return to user profile information form.
          //
          case KEY_IP_RETURN_UIF:
            SaveIdentityPolicy ();
            *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT;
            break;

          default:
            break;
          }
          break;

        //
        // Modify access policy.
        //
        case KEY_MODIFY_AP:
          //
          // Judge next 3 bits.
          //
          switch (QuestionId & KEY_MODIFY_AP_MASK) {
          //
          // Change access right choice.
          //
          case KEY_MODIFY_RIGHT:
            mAccessInfo.AccessRight = Value->u8;
            break;

          //
          // Change setup choice.
          //
          case KEY_MODIFY_SETUP:
            mAccessInfo.AccessSetup= Value->u8;
            break;

          //
          // Change boot order choice.
          //
          case KEY_MODIFY_BOOT:
            mAccessInfo.AccessBootOrder = Value->u32;
            break;

          //
          // Return to user profile information form.
          //
          case KEY_AP_RETURN_UIF:
            SaveAccessPolicy ();
            *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT;
            break;

          default:
            break;
          }
          break;

        default:
          break;
        }
        break;

      //
      // Access policy device path modified.
      //
      case KEY_MODIFY_AP_DP:
        //
        // Judge next 2 bits.
        //
        switch (QuestionId & KEY_MODIFY_DP_MASK) {
        //
        // Load permit device path modified.
        //
        case KEY_LOAD_PERMIT_MODIFY:
          QuestionStr = GetStringById (STRING_TOKEN (STR_MOVE_TO_FORBID_LIST));
          PromptStr   = GetStringById (STRING_TOKEN (STR_PRESS_KEY_CONTINUE));
          CreatePopUp (
            EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
            &Key,
            QuestionStr,
            L"",
            PromptStr,
            NULL
            );
          FreePool (QuestionStr);
          FreePool (PromptStr);
          if (Key.UnicodeChar != CHAR_CARRIAGE_RETURN) {
            break;
          }

          AddToForbidLoad ((UINT16)(QuestionId & (KEY_MODIFY_DP_MASK - 1)));
          DisplayLoadPermit ();
          break;

        //
        // Load forbid device path modified.
        //
        case KEY_LOAD_FORBID_MODIFY:
          QuestionStr = GetStringById (STRING_TOKEN (STR_MOVE_TO_PERMIT_LIST));
          PromptStr   = GetStringById (STRING_TOKEN (STR_PRESS_KEY_CONTINUE));
          CreatePopUp (
            EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
            &Key,
            QuestionStr,
            L"",
            PromptStr,
            NULL
            );
          FreePool (QuestionStr);
          FreePool (PromptStr);
          if (Key.UnicodeChar != CHAR_CARRIAGE_RETURN) {
            break;
          }

          DeleteFromForbidLoad ((UINT16)(QuestionId & (KEY_MODIFY_DP_MASK - 1)));
          DisplayLoadForbid ();
          break;

        //
        // Connect permit device path modified.
        //
        case KEY_CONNECT_PERMIT_MODIFY:
          break;

        //
        // Connect forbid device path modified.
        //
        case KEY_CONNECT_FORBID_MODIFY:
          break;

        default:
          break;
        }
        break;

      default:
        break;
      }
      break;

    default:
      break;
    }
  }
  break;


  case EFI_BROWSER_ACTION_CHANGING:
  {
    //
    // Handle the request from form.
    //
    if (Value == NULL) {
      return EFI_INVALID_PARAMETER;
    }

    //
    // Judge first 2 bits.
    //
    switch (QuestionId & KEY_FIRST_FORM_MASK) {
    //
    // Delete user profile operation.
    //
    case KEY_DEL_USER:
      //
      // Judge next 2 bits.
      //
      switch (QuestionId & KEY_SECOND_FORM_MASK) {
      //
      // Enter delete user profile form.
      //
      case KEY_ENTER_NEXT_FORM:
        SelectUserToDelete ();
        break;

      default:
        break;
      }
      break;

    //
    // Modify user profile operation.
    //
    case KEY_MODIFY_USER:
      //
      // Judge next 2 bits.
      //
      switch (QuestionId & KEY_SECOND_FORM_MASK) {
      //
      // Enter modify user profile form.
      //
      case KEY_ENTER_NEXT_FORM:
        SelectUserToModify ();
        break;

      //
      // Enter user profile information form.
      //
      case KEY_SELECT_USER:
        //
        // Judge next 3 bits.
        //
        switch (QuestionId & KEY_MODIFY_INFO_MASK) {
        //
        // Display user information form.
        //
        case KEY_ENTER_NEXT_FORM:
          ModifyUserInfo ((UINT8) QuestionId);
          break;

        //
        // Modify identity policy.
        //
        case KEY_MODIFY_IP:
          //
          // Judge next 3 bits
          //
          switch (QuestionId & KEY_MODIFY_IP_MASK) {
          //
          // Display identity policy modify form.
          //
          case KEY_ENTER_NEXT_FORM:
            ModifyIdentityPolicy ();
            break;

          default:
            break;
          }
          break;

        //
        // Modify access policy.
        //
        case KEY_MODIFY_AP:
          //
          // Judge next 3 bits.
          //
          switch (QuestionId & KEY_MODIFY_AP_MASK) {
          //
          // Display access policy modify form.
          //
          case KEY_ENTER_NEXT_FORM:
            ModidyAccessPolicy ();
            break;
          //
          // Load device path form.
          //
          case KEY_MODIFY_LOAD:
            //
            // Judge next 2 bits.
            //
            switch (QuestionId & KEY_DISPLAY_DP_MASK) {
            //
            // Permit load device path.
            //
            case KEY_PERMIT_MODIFY:
              DisplayLoadPermit ();
              break;

            //
            // Forbid load device path.
            //
            case KEY_FORBID_MODIFY:
              DisplayLoadForbid ();
              break;

            default:
              break;
            }
            break;

          //
          // Connect device path form.
          //
          case KEY_MODIFY_CONNECT:
            //
            // Judge next 2 bits.
            //
            switch (QuestionId & KEY_DISPLAY_DP_MASK) {
            //
            // Permit connect device path.
            //
            case KEY_PERMIT_MODIFY:
              DisplayConnectPermit ();
              break;

            //
            // Forbid connect device path.
            //
            case KEY_FORBID_MODIFY:
              DisplayConnectForbid ();
              break;

            default:
              break;
            }
            break;

          default:
            break;
          }
          break;

        default:
          break;
        }
        break;

      default:
        break;
      }
      break;

    default:
      break;
    }
  }
  break;

  default:
    //
    // All other action return unsupported.
    //
    Status = EFI_UNSUPPORTED;
    break;
  }


  return Status;
}