Mv.c

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#include "UefiShellLevel2CommandsLib.h"
 
BOOLEAN
IsBetweenFileSystem (
  IN CONST CHAR16  *FullName,
  IN CONST CHAR16  *Cwd,
  IN CONST CHAR16  *DestPath
  )
{
  CHAR16  *Test;
  CHAR16  *Test1;
  UINTN   Result;
 
  Test = StrStr (FullName, L":");
  if ((Test == NULL) && (Cwd != NULL)) {
    Test = StrStr (Cwd, L":");
  }
 
  Test1 = StrStr (DestPath, L":");
  if ((Test1 == NULL) && (Cwd != NULL)) {
    Test1 = StrStr (Cwd, L":");
  }
 
  if ((Test1 != NULL) && (Test != NULL)) {
    *Test  = CHAR_NULL;
    *Test1 = CHAR_NULL;
    Result = StringNoCaseCompare (&FullName, &DestPath);
    *Test  = L':';
    *Test1 = L':';
    if (Result != 0) {
      return (TRUE);
    }
  }
 
  return (FALSE);
}
 
BOOLEAN
IsSoucePathValid (
  IN CONST CHAR16  *SrcPath,
  IN CONST CHAR16  *CwdPath
  )
{
  CHAR16   *SrcPathBuffer;
  CHAR16   *CwdPathBuffer;
  BOOLEAN  Ret;
 
  ASSERT (CwdPath != NULL);
  if (SrcPath == NULL) {
    return FALSE;
  }
 
  Ret = TRUE;
 
  SrcPathBuffer = AllocateCopyPool (StrSize (SrcPath), SrcPath);
  if (SrcPathBuffer == NULL) {
    return FALSE;
  }
 
  CwdPathBuffer = AllocateCopyPool (StrSize (CwdPath), CwdPath);
  if (CwdPathBuffer == NULL) {
    FreePool (SrcPathBuffer);
    return FALSE;
  }
 
  gUnicodeCollation->StrUpr (gUnicodeCollation, SrcPathBuffer);
  gUnicodeCollation->StrUpr (gUnicodeCollation, CwdPathBuffer);
 
  if (SrcPathBuffer[StrLen (SrcPathBuffer) -1] == L'\\') {
    SrcPathBuffer[StrLen (SrcPathBuffer) - 1] = CHAR_NULL;
  }
 
  if (CwdPathBuffer[StrLen (CwdPathBuffer) - 1] == L'\\') {
    CwdPathBuffer[StrLen (CwdPathBuffer) - 1] = CHAR_NULL;
  }
 
  if ((StrCmp (CwdPathBuffer, SrcPathBuffer) == 0) ||
      ((StrStr (CwdPathBuffer, SrcPathBuffer) == CwdPathBuffer) &&
       (CwdPathBuffer[StrLen (SrcPathBuffer)] == L'\\'))
      )
  {
    Ret = FALSE;
  }
 
  FreePool (SrcPathBuffer);
  FreePool (CwdPathBuffer);
 
  return Ret;
}
 
BOOLEAN
IsValidMove (
  IN CONST CHAR16      *SourcePath,
  IN CONST CHAR16      *Cwd,
  IN CONST CHAR16      *DestPath,
  IN CONST UINT64      Attribute,
  IN CONST UINT64      DestAttr,
  IN CONST EFI_STATUS  FileStatus
  )
{
  CHAR16  *DestPathCopy;
  CHAR16  *DestPathWalker;
 
  if ((Cwd != NULL) && ((Attribute & EFI_FILE_DIRECTORY) == EFI_FILE_DIRECTORY)) {
    if (!IsSoucePathValid (SourcePath, Cwd)) {
      //
      // Invalid move
      //
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MV_INV_CWD), gShellLevel2HiiHandle);
      return FALSE;
    }
  }
 
  //
  // invalid to move read only or move to a read only destination
  //
  if (  ((Attribute & EFI_FILE_READ_ONLY) != 0)
     || (FileStatus == EFI_WRITE_PROTECTED)
     || ((DestAttr & EFI_FILE_READ_ONLY) != 0)
        )
  {
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MV_INV_RO), gShellLevel2HiiHandle, SourcePath);
    return (FALSE);
  }
 
  DestPathCopy = AllocateCopyPool (StrSize (DestPath), DestPath);
  if (DestPathCopy == NULL) {
    return (FALSE);
  }
 
  for (DestPathWalker = DestPathCopy; *DestPathWalker == L'\\'; DestPathWalker++) {
  }
 
  while (DestPathWalker != NULL && DestPathWalker[StrLen (DestPathWalker)-1] == L'\\') {
    DestPathWalker[StrLen (DestPathWalker)-1] = CHAR_NULL;
  }
 
  ASSERT (DestPathWalker != NULL);
  ASSERT (SourcePath   != NULL);
 
  //
  // If they're the same, or if source is "above" dest on file path tree
  //
  if ((StringNoCaseCompare (&DestPathWalker, &SourcePath) == 0) ||
      ((StrStr (DestPathWalker, SourcePath) == DestPathWalker) &&
       (DestPathWalker[StrLen (SourcePath)] == '\\')
      )
      )
  {
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MV_INV_SUB), gShellLevel2HiiHandle);
    FreePool (DestPathCopy);
    return (FALSE);
  }
 
  FreePool (DestPathCopy);
 
  return (TRUE);
}
 
SHELL_STATUS
GetDestinationLocation (
  IN CONST CHAR16   *DestParameter,
  IN OUT CHAR16     **DestPathPointer,
  IN CONST CHAR16   *Cwd,
  IN CONST BOOLEAN  SingleSource,
  IN OUT UINT64     *DestAttr
  )
{
  EFI_SHELL_FILE_INFO  *DestList;
  EFI_SHELL_FILE_INFO  *Node;
  CHAR16               *DestPath;
  UINTN                NewSize;
  UINTN                CurrentSize;
 
  DestList = NULL;
  DestPath = NULL;
 
  ASSERT (DestAttr != NULL);
 
  if (StrStr (DestParameter, L"\\") == DestParameter) {
    if (Cwd == NULL) {
      return SHELL_INVALID_PARAMETER;
    }
 
    DestPath = AllocateZeroPool (StrSize (Cwd));
    if (DestPath == NULL) {
      return (SHELL_OUT_OF_RESOURCES);
    }
 
    StrCpyS (DestPath, StrSize (Cwd) / sizeof (CHAR16), Cwd);
    while (PathRemoveLastItem (DestPath)) {
    }
 
    //
    // Append DestParameter beyond '\' which may be present
    //
    CurrentSize = StrSize (DestPath);
    StrnCatGrow (&DestPath, &CurrentSize, &DestParameter[1], 0);
 
    *DestPathPointer =  DestPath;
    return (SHELL_SUCCESS);
  }
 
  //
  // get the destination path
  //
  ShellOpenFileMetaArg ((CHAR16 *)DestParameter, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ|EFI_FILE_MODE_CREATE, &DestList);
  if ((DestList == NULL) || IsListEmpty (&DestList->Link)) {
    //
    // Not existing... must be renaming
    //
    if (StrStr (DestParameter, L":") == NULL) {
      if (Cwd == NULL) {
        ShellCloseFileMetaArg (&DestList);
        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle);
        return (SHELL_INVALID_PARAMETER);
      }
 
      NewSize  = StrSize (Cwd);
      NewSize += StrSize (DestParameter);
      DestPath = AllocateZeroPool (NewSize);
      if (DestPath == NULL) {
        ShellCloseFileMetaArg (&DestList);
        return (SHELL_OUT_OF_RESOURCES);
      }
 
      StrCpyS (DestPath, NewSize / sizeof (CHAR16), Cwd);
      if ((DestPath[StrLen (DestPath)-1] != L'\\') && (DestParameter[0] != L'\\')) {
        StrCatS (DestPath, NewSize / sizeof (CHAR16), L"\\");
      } else if ((DestPath[StrLen (DestPath)-1] == L'\\') && (DestParameter[0] == L'\\')) {
        ((CHAR16 *)DestPath)[StrLen (DestPath)-1] = CHAR_NULL;
      }
 
      StrCatS (DestPath, NewSize / sizeof (CHAR16), DestParameter);
    } else {
      ASSERT (DestPath == NULL);
      DestPath = StrnCatGrow (&DestPath, NULL, DestParameter, 0);
      if (DestPath == NULL) {
        ShellCloseFileMetaArg (&DestList);
        return (SHELL_OUT_OF_RESOURCES);
      }
    }
  } else {
    Node      = (EFI_SHELL_FILE_INFO *)GetFirstNode (&DestList->Link);
    *DestAttr = Node->Info->Attribute;
    //
    // Make sure there is only 1 node in the list.
    //
    if (!IsNodeAtEnd (&DestList->Link, &Node->Link)) {
      ShellCloseFileMetaArg (&DestList);
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_MARG_ERROR), gShellLevel2HiiHandle, L"mv", DestParameter);
      return (SHELL_INVALID_PARAMETER);
    }
 
    //
    // If we are a directory or a single file, then one node is fine.
    //
    if ((ShellIsDirectory (Node->FullName) == EFI_SUCCESS) || SingleSource) {
      DestPath = AllocateZeroPool (StrSize (Node->FullName)+sizeof (CHAR16));
      if (DestPath == NULL) {
        ShellCloseFileMetaArg (&DestList);
        return (SHELL_OUT_OF_RESOURCES);
      }
 
      StrCpyS (DestPath, (StrSize (Node->FullName)+sizeof (CHAR16)) / sizeof (CHAR16), Node->FullName);
      StrCatS (DestPath, (StrSize (Node->FullName)+sizeof (CHAR16)) / sizeof (CHAR16), L"\\");
    } else {
      //
      // cant move multiple files onto a single file.
      //
      ShellCloseFileMetaArg (&DestList);
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_ERROR), gShellLevel2HiiHandle, L"mv", DestParameter);
      return (SHELL_INVALID_PARAMETER);
    }
  }
 
  *DestPathPointer =  DestPath;
  ShellCloseFileMetaArg (&DestList);
 
  return (SHELL_SUCCESS);
}
 
EFI_STATUS
MoveBetweenFileSystems (
  IN EFI_SHELL_FILE_INFO  *Node,
  IN CONST CHAR16         *DestPath,
  OUT VOID                **Resp
  )
{
  SHELL_STATUS  ShellStatus;
 
  //
  // First we copy the file
  //
  ShellStatus = CopySingleFile (Node->FullName, DestPath, Resp, TRUE, L"mv");
 
  //
  // Check our result
  //
  if (ShellStatus == SHELL_SUCCESS) {
    //
    // The copy was successful.  delete the source file.
    //
    CascadeDelete (Node, TRUE);
    Node->Handle = NULL;
  } else if (ShellStatus == SHELL_ABORTED) {
    return EFI_ABORTED;
  } else if (ShellStatus == SHELL_ACCESS_DENIED) {
    return EFI_ACCESS_DENIED;
  } else if (ShellStatus == SHELL_VOLUME_FULL) {
    return EFI_VOLUME_FULL;
  } else {
    return EFI_UNSUPPORTED;
  }
 
  return (EFI_SUCCESS);
}
 
EFI_STATUS
CreateFullDestPath (
  IN CONST CHAR16  **DestPath,
  OUT CHAR16       **FullDestPath,
  IN CONST CHAR16  *FileName
  )
{
  UINTN  Size;
 
  if ((FullDestPath == NULL) || (FileName == NULL) || (DestPath == NULL) || (*DestPath == NULL)) {
    return (EFI_INVALID_PARAMETER);
  }
 
  Size = StrSize (*DestPath) + StrSize (FileName);
 
  *FullDestPath = AllocateZeroPool (Size);
  if (*FullDestPath == NULL) {
    return (EFI_OUT_OF_RESOURCES);
  }
 
  StrCpyS (*FullDestPath, Size / sizeof (CHAR16), *DestPath);
  if (((*FullDestPath)[StrLen (*FullDestPath)-1] != L'\\') && (FileName[0] != L'\\')) {
    StrCatS (*FullDestPath, Size / sizeof (CHAR16), L"\\");
  }
 
  StrCatS (*FullDestPath, Size / sizeof (CHAR16), FileName);
 
  return (EFI_SUCCESS);
}
 
EFI_STATUS
MoveWithinFileSystems (
  IN EFI_SHELL_FILE_INFO  *Node,
  IN CHAR16               *DestPath,
  OUT VOID                **Resp
  )
{
  EFI_FILE_INFO  *NewFileInfo;
  CHAR16         *TempLocation;
  UINTN          NewSize;
  UINTN          Length;
  EFI_STATUS     Status;
 
  //
  // Chop off map info from DestPath
  //
  if ((TempLocation = StrStr (DestPath, L":")) != NULL) {
    CopyMem (DestPath, TempLocation+1, StrSize (TempLocation+1));
  }
 
  //
  // construct the new file info block
  //
  NewSize     = StrSize (DestPath);
  NewSize    += StrSize (Node->FileName) + SIZE_OF_EFI_FILE_INFO + sizeof (CHAR16);
  NewFileInfo = AllocateZeroPool (NewSize);
  if (NewFileInfo == NULL) {
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_MEM), gShellLevel2HiiHandle);
    Status = EFI_OUT_OF_RESOURCES;
  } else {
    CopyMem (NewFileInfo, Node->Info, SIZE_OF_EFI_FILE_INFO);
    if (DestPath[0] != L'\\') {
      StrCpyS (NewFileInfo->FileName, (NewSize - SIZE_OF_EFI_FILE_INFO) / sizeof (CHAR16), L"\\");
      StrCatS (NewFileInfo->FileName, (NewSize - SIZE_OF_EFI_FILE_INFO) / sizeof (CHAR16), DestPath);
    } else {
      StrCpyS (NewFileInfo->FileName, (NewSize - SIZE_OF_EFI_FILE_INFO) / sizeof (CHAR16), DestPath);
    }
 
    Length = StrLen (NewFileInfo->FileName);
    if (Length > 0) {
      Length--;
    }
 
    if (NewFileInfo->FileName[Length] == L'\\') {
      if (Node->FileName[0] == L'\\') {
        //
        // Don't allow for double slashes. Eliminate one of them.
        //
        NewFileInfo->FileName[Length] = CHAR_NULL;
      }
 
      StrCatS (NewFileInfo->FileName, (NewSize - SIZE_OF_EFI_FILE_INFO) / sizeof (CHAR16), Node->FileName);
    }
 
    NewFileInfo->Size = SIZE_OF_EFI_FILE_INFO + StrSize (NewFileInfo->FileName);
 
    //
    // Perform the move operation
    //
    Status = ShellSetFileInfo (Node->Handle, NewFileInfo);
 
    //
    // Free the info object we used...
    //
    FreePool (NewFileInfo);
  }
 
  return (Status);
}
 
SHELL_STATUS
ValidateAndMoveFiles (
  IN EFI_SHELL_FILE_INFO  *FileList,
  OUT VOID                **Resp,
  IN CONST CHAR16         *DestParameter
  )
{
  EFI_STATUS           Status;
  CHAR16               *HiiOutput;
  CHAR16               *HiiResultOk;
  CHAR16               *DestPath;
  CHAR16               *FullDestPath;
  CONST CHAR16         *Cwd;
  CHAR16               *FullCwd;
  SHELL_STATUS         ShellStatus;
  EFI_SHELL_FILE_INFO  *Node;
  VOID                 *Response;
  UINT64               Attr;
  CHAR16               *CleanFilePathStr;
 
  ASSERT (FileList != NULL);
  ASSERT (DestParameter  != NULL);
 
  DestPath         = NULL;
  FullDestPath     = NULL;
  Cwd              = ShellGetCurrentDir (NULL);
  Response         = *Resp;
  Attr             = 0;
  CleanFilePathStr = NULL;
  FullCwd          = NULL;
 
  if (Cwd != NULL) {
    FullCwd = AllocateZeroPool (StrSize (Cwd) + sizeof (CHAR16));
    if (FullCwd == NULL) {
      return SHELL_OUT_OF_RESOURCES;
    } else {
      StrCpyS (FullCwd, StrSize (Cwd)/sizeof (CHAR16)+1, Cwd);
      StrCatS (FullCwd, StrSize (Cwd)/sizeof (CHAR16)+1, L"\\");
    }
  }
 
  Status = ShellLevel2StripQuotes (DestParameter, &CleanFilePathStr);
  if (EFI_ERROR (Status)) {
    SHELL_FREE_NON_NULL (FullCwd);
    if (Status == EFI_OUT_OF_RESOURCES) {
      return SHELL_OUT_OF_RESOURCES;
    } else {
      return SHELL_INVALID_PARAMETER;
    }
  }
 
  ASSERT (CleanFilePathStr != NULL);
 
  //
  // Get and validate the destination location
  //
  ShellStatus = GetDestinationLocation (CleanFilePathStr, &DestPath, FullCwd, (BOOLEAN)(FileList->Link.ForwardLink == FileList->Link.BackLink), &Attr);
  FreePool (CleanFilePathStr);
 
  if (ShellStatus != SHELL_SUCCESS) {
    SHELL_FREE_NON_NULL (FullCwd);
    return (ShellStatus);
  }
 
  DestPath = PathCleanUpDirectories (DestPath);
  if (DestPath == NULL) {
    FreePool (FullCwd);
    return (SHELL_OUT_OF_RESOURCES);
  }
 
  HiiOutput   = HiiGetString (gShellLevel2HiiHandle, STRING_TOKEN (STR_MV_OUTPUT), NULL);
  HiiResultOk = HiiGetString (gShellLevel2HiiHandle, STRING_TOKEN (STR_GEN_RES_OK), NULL);
  if ((HiiOutput == NULL) || (HiiResultOk == NULL)) {
    SHELL_FREE_NON_NULL (DestPath);
    SHELL_FREE_NON_NULL (HiiOutput);
    SHELL_FREE_NON_NULL (HiiResultOk);
    SHELL_FREE_NON_NULL (FullCwd);
    return (SHELL_OUT_OF_RESOURCES);
  }
 
  //
  // Go through the list of files and directories to move...
  //
  for (Node = (EFI_SHELL_FILE_INFO *)GetFirstNode (&FileList->Link)
       ; !IsNull (&FileList->Link, &Node->Link)
       ; Node = (EFI_SHELL_FILE_INFO *)GetNextNode (&FileList->Link, &Node->Link)
       )
  {
    if (ShellGetExecutionBreakFlag ()) {
      break;
    }
 
    //
    // These should never be NULL
    //
    ASSERT (Node->FileName != NULL);
    ASSERT (Node->FullName != NULL);
    ASSERT (Node->Info     != NULL);
 
    //
    // skip the directory traversing stuff...
    //
    if ((StrCmp (Node->FileName, L".") == 0) || (StrCmp (Node->FileName, L"..") == 0)) {
      continue;
    }
 
    SHELL_FREE_NON_NULL (FullDestPath);
    FullDestPath = NULL;
    if (ShellIsDirectory (DestPath) == EFI_SUCCESS) {
      CreateFullDestPath ((CONST CHAR16 **)&DestPath, &FullDestPath, Node->FileName);
    }
 
    //
    // Validate that the move is valid
    //
    if (!IsValidMove (Node->FullName, FullCwd, (FullDestPath != NULL) ? FullDestPath : DestPath, Node->Info->Attribute, Attr, Node->Status)) {
      ShellStatus = SHELL_INVALID_PARAMETER;
      continue;
    }
 
    ShellPrintEx (-1, -1, HiiOutput, Node->FullName, FullDestPath != NULL ? FullDestPath : DestPath);
 
    //
    // See if destination exists
    //
    if (!EFI_ERROR (ShellFileExists ((FullDestPath != NULL) ? FullDestPath : DestPath))) {
      if (Response == NULL) {
        ShellPromptForResponseHii (ShellPromptResponseTypeYesNoAllCancel, STRING_TOKEN (STR_GEN_DEST_EXIST_OVR), gShellLevel2HiiHandle, &Response);
      }
 
      if (Response == NULL) {
        return SHELL_ABORTED;
      }
 
      switch (*(SHELL_PROMPT_RESPONSE *)Response) {
        case ShellPromptResponseNo:
          FreePool (Response);
          Response = NULL;
          continue;
        case ShellPromptResponseCancel:
          *Resp = Response;
          //
          // indicate to stop everything
          //
          SHELL_FREE_NON_NULL (FullCwd);
          return (SHELL_ABORTED);
        case ShellPromptResponseAll:
          *Resp = Response;
          break;
        case ShellPromptResponseYes:
          FreePool (Response);
          Response = NULL;
          break;
        default:
          FreePool (Response);
          SHELL_FREE_NON_NULL (FullCwd);
          return SHELL_ABORTED;
      }
 
      Status = ShellDeleteFileByName (FullDestPath != NULL ? FullDestPath : DestPath);
    }
 
    if (IsBetweenFileSystem (Node->FullName, FullCwd, DestPath)) {
      while (FullDestPath == NULL && DestPath != NULL && DestPath[0] != CHAR_NULL && DestPath[StrLen (DestPath) - 1] == L'\\') {
        DestPath[StrLen (DestPath) - 1] = CHAR_NULL;
      }
 
      Status = MoveBetweenFileSystems (Node, FullDestPath != NULL ? FullDestPath : DestPath, &Response);
    } else {
      Status = MoveWithinFileSystems (Node, DestPath, &Response);
      //
      // Display error status
      //
      if (EFI_ERROR (Status)) {
        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_UK), gShellLevel2HiiHandle, L"mv", Status);
      }
    }
 
    //
    // Check our result
    //
    if (EFI_ERROR (Status)) {
      ShellStatus = SHELL_INVALID_PARAMETER;
      if (Status == EFI_SECURITY_VIOLATION) {
        ShellStatus = SHELL_SECURITY_VIOLATION;
      } else if (Status == EFI_WRITE_PROTECTED) {
        ShellStatus = SHELL_WRITE_PROTECTED;
      } else if (Status == EFI_OUT_OF_RESOURCES) {
        ShellStatus = SHELL_OUT_OF_RESOURCES;
      } else if (Status == EFI_DEVICE_ERROR) {
        ShellStatus = SHELL_DEVICE_ERROR;
      } else if (Status == EFI_ACCESS_DENIED) {
        ShellStatus = SHELL_ACCESS_DENIED;
      }
    } else {
      ShellPrintEx (-1, -1, L"%s", HiiResultOk);
    }
  } // main for loop
 
  SHELL_FREE_NON_NULL (FullDestPath);
  SHELL_FREE_NON_NULL (DestPath);
  SHELL_FREE_NON_NULL (HiiOutput);
  SHELL_FREE_NON_NULL (HiiResultOk);
  SHELL_FREE_NON_NULL (FullCwd);
  return (ShellStatus);
}
 
SHELL_STATUS
EFIAPI
ShellCommandRunMv (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS           Status;
  LIST_ENTRY           *Package;
  CHAR16               *ProblemParam;
  CHAR16               *Cwd;
  UINTN                CwdSize;
  SHELL_STATUS         ShellStatus;
  UINTN                ParamCount;
  UINTN                LoopCounter;
  EFI_SHELL_FILE_INFO  *FileList;
  VOID                 *Response;
 
  ProblemParam = NULL;
  ShellStatus  = SHELL_SUCCESS;
  ParamCount   = 0;
  FileList     = NULL;
  Response     = NULL;
 
  //
  // initialize the shell lib (we must be in non-auto-init...)
  //
  Status = ShellInitialize ();
  ASSERT_EFI_ERROR (Status);
 
  //
  // parse the command line
  //
  Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  if (EFI_ERROR (Status)) {
    if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"mv", ProblemParam);
      FreePool (ProblemParam);
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      ASSERT (FALSE);
    }
  } else {
    //
    // check for "-?"
    //
    if (ShellCommandLineGetFlag (Package, L"-?")) {
      ASSERT (FALSE);
    }
 
    switch (ParamCount = ShellCommandLineGetCount (Package)) {
      case 0:
      case 1:
        //
        // we have insufficient parameters
        //
        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle, L"mv");
        ShellStatus = SHELL_INVALID_PARAMETER;
        break;
      case 2:
        //
        // must have valid CWD for single parameter...
        //
        if (ShellGetCurrentDir (NULL) == NULL) {
          ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"mv");
          ShellStatus = SHELL_INVALID_PARAMETER;
        } else {
          Status = ShellOpenFileMetaArg ((CHAR16 *)ShellCommandLineGetRawValue (Package, 1), EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);
          if ((FileList == NULL) || IsListEmpty (&FileList->Link) || EFI_ERROR (Status)) {
            ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, L"mv", ShellCommandLineGetRawValue (Package, 1));
            ShellStatus = SHELL_NOT_FOUND;
          } else {
            //
            // ValidateAndMoveFiles will report errors to the screen itself
            //
            CwdSize = StrSize (ShellGetCurrentDir (NULL)) + sizeof (CHAR16);
            Cwd     = AllocateZeroPool (CwdSize);
            if (Cwd == NULL) {
              ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellLevel2HiiHandle, L"mv");
              ShellStatus = SHELL_OUT_OF_RESOURCES;
            } else {
              StrCpyS (Cwd, CwdSize / sizeof (CHAR16), ShellGetCurrentDir (NULL));
              StrCatS (Cwd, CwdSize / sizeof (CHAR16), L"\\");
              ShellStatus = ValidateAndMoveFiles (FileList, &Response, Cwd);
              FreePool (Cwd);
            }
          }
        }
 
        break;
      default:
        for (ParamCount--, LoopCounter = 1; LoopCounter < ParamCount; LoopCounter++) {
          if (ShellGetExecutionBreakFlag ()) {
            break;
          }
 
          Status = ShellOpenFileMetaArg ((CHAR16 *)ShellCommandLineGetRawValue (Package, LoopCounter), EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);
          if ((FileList == NULL) || IsListEmpty (&FileList->Link) || EFI_ERROR (Status)) {
            ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, L"mv", ShellCommandLineGetRawValue (Package, LoopCounter));
            ShellStatus = SHELL_NOT_FOUND;
          } else {
            //
            // ValidateAndMoveFiles will report errors to the screen itself
            // Only change ShellStatus if it's successful
            //
            if (ShellStatus == SHELL_SUCCESS) {
              ShellStatus = ValidateAndMoveFiles (FileList, &Response, ShellCommandLineGetRawValue (Package, ParamCount));
            } else {
              ValidateAndMoveFiles (FileList, &Response, ShellCommandLineGetRawValue (Package, ParamCount));
            }
          }
 
          if ((FileList != NULL) && !IsListEmpty (&FileList->Link)) {
            Status = ShellCloseFileMetaArg (&FileList);
            if (EFI_ERROR (Status) && (ShellStatus == SHELL_SUCCESS)) {
              ShellStatus = SHELL_ACCESS_DENIED;
              ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_FILE), gShellLevel2HiiHandle, L"mv", ShellCommandLineGetRawValue (Package, 1), ShellStatus|MAX_BIT);
            }
          }
        }
 
        break;
    } // switch on parameter count
 
    if (FileList != NULL) {
      ShellCloseFileMetaArg (&FileList);
    }
 
    //
    // free the command line package
    //
    ShellCommandLineFreeVarList (Package);
  }
 
  SHELL_FREE_NON_NULL (Response);
 
  if (ShellGetExecutionBreakFlag ()) {
    return (SHELL_ABORTED);
  }
 
  return (ShellStatus);
}