Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Tapan Shah <tapandshah@hp.com> Reviewed-by: Jaben Carsey <jaben.carsey@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16759 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			278 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			278 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   Main file for attrib shell level 2 function.
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| 
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|   (C) Copyright 2014-2015 Hewlett-Packard Development Company, L.P.<BR>
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|   Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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|   This program and the accompanying materials
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|   are licensed and made available under the terms and conditions of the BSD License
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|   which accompanies this distribution.  The full text of the license may be found at
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|   http://opensource.org/licenses/bsd-license.php
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| 
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|   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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|   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 
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| **/
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| 
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| #include "UefiShellLevel2CommandsLib.h"
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| 
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| STATIC CONST CHAR16 AllFiles[] = L"*";
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| 
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| STATIC CONST SHELL_PARAM_ITEM AttribParamList[] = {
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|   {L"-a", TypeFlag},
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|   {L"+a", TypeFlag},
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|   {L"-s", TypeFlag},
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|   {L"+s", TypeFlag},
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|   {L"-h", TypeFlag},
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|   {L"+h", TypeFlag},
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|   {L"-r", TypeFlag},
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|   {L"+r", TypeFlag},
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|   {NULL, TypeMax}
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|   };
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| 
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| /**
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|   Function for 'attrib' command.
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| 
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|   @param[in] ImageHandle  Handle to the Image (NULL if Internal).
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|   @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
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| **/
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| SHELL_STATUS
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| EFIAPI
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| ShellCommandRunAttrib (
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|   IN EFI_HANDLE        ImageHandle,
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|   IN EFI_SYSTEM_TABLE  *SystemTable
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|   )
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| {
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|   UINT64              FileAttributesToAdd;
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|   UINT64              FileAttributesToRemove;
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|   EFI_STATUS          Status;
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|   LIST_ENTRY          *Package;
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|   CHAR16              *ProblemParam;
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|   SHELL_STATUS        ShellStatus;
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|   UINTN               ParamNumberCount;
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|   CONST CHAR16        *FileName;
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|   EFI_SHELL_FILE_INFO *ListOfFiles;
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|   EFI_SHELL_FILE_INFO *FileNode;
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|   EFI_FILE_INFO       *FileInfo;
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| 
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|   ListOfFiles   = NULL;
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|   ShellStatus   = SHELL_SUCCESS;
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|   ProblemParam  = NULL;
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| 
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|   //
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|   // initialize the shell lib (we must be in non-auto-init...)
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|   //
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|   Status = ShellInitialize();
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|   ASSERT_EFI_ERROR(Status);
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| 
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|   //
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|   // parse the command line
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|   //
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|   Status = ShellCommandLineParse (AttribParamList, &Package, &ProblemParam, TRUE);
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|   if (EFI_ERROR(Status)) {
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|     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
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|       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"attrib", ProblemParam);  
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|       FreePool(ProblemParam);
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|       ShellStatus = SHELL_INVALID_PARAMETER;
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|     } else {
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|       ASSERT(FALSE);
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|     }
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|   } else {
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| 
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|     //
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|     // check for "-?"
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|     //
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|     if (ShellCommandLineGetFlag(Package, L"-?")) {
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|       ASSERT(FALSE);
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|     } else {
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|       FileAttributesToAdd = 0;
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|       FileAttributesToRemove = 0;
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| 
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|       //
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|       // apply or remove each flag
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|       //
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|       if (ShellCommandLineGetFlag(Package, L"+a")) {
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|         FileAttributesToAdd |= EFI_FILE_ARCHIVE;
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|       }
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|       if (ShellCommandLineGetFlag(Package, L"-a")) {
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|         FileAttributesToRemove |= EFI_FILE_ARCHIVE;
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|       }
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|       if (ShellCommandLineGetFlag(Package, L"+s")) {
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|         FileAttributesToAdd |= EFI_FILE_SYSTEM;
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|       }
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|       if (ShellCommandLineGetFlag(Package, L"-s")) {
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|         FileAttributesToRemove |= EFI_FILE_SYSTEM;
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|       }
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|       if (ShellCommandLineGetFlag(Package, L"+h")) {
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|         FileAttributesToAdd |= EFI_FILE_HIDDEN;
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|       }
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|       if (ShellCommandLineGetFlag(Package, L"-h")) {
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|         FileAttributesToRemove |= EFI_FILE_HIDDEN;
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|       }
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|       if (ShellCommandLineGetFlag(Package, L"+r")) {
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|         FileAttributesToAdd |= EFI_FILE_READ_ONLY;
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|       }
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|       if (ShellCommandLineGetFlag(Package, L"-r")) {
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|         FileAttributesToRemove |= EFI_FILE_READ_ONLY;
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|       }
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| 
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|       if (FileAttributesToRemove == 0 && FileAttributesToAdd == 0) {
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|         //
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|         // Do display as we have no attributes to change
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|         //
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|         for ( ParamNumberCount = 1
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|             ;
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|             ; ParamNumberCount++
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|            ){
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|           FileName = ShellCommandLineGetRawValue(Package, ParamNumberCount);
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|           // if we dont have anything left, move on...
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|           if (FileName == NULL && ParamNumberCount == 1) {
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|             FileName = (CHAR16*)AllFiles;
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|           } else if (FileName == NULL) {
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|             break;
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|           }
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|           ASSERT(ListOfFiles == NULL);
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|           Status = ShellOpenFileMetaArg((CHAR16*)FileName, EFI_FILE_MODE_READ, &ListOfFiles);
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|           if (EFI_ERROR(Status)) {
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|             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, L"attrib", ShellCommandLineGetRawValue(Package, ParamNumberCount));  
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|             ShellStatus = SHELL_NOT_FOUND;
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|           } else {
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|             for (FileNode = (EFI_SHELL_FILE_INFO*)GetFirstNode(&ListOfFiles->Link)
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|               ;  !IsNull(&ListOfFiles->Link, &FileNode->Link)
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|               ;  FileNode = (EFI_SHELL_FILE_INFO*)GetNextNode(&ListOfFiles->Link, &FileNode->Link)
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|              ){
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|               ShellPrintHiiEx(
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|                 -1,
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|                 -1,
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|                 NULL,
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|                 STRING_TOKEN (STR_ATTRIB_OUTPUT_LINE),
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|                 gShellLevel2HiiHandle,
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|                 FileNode->Info->Attribute&EFI_FILE_DIRECTORY? L'D':L' ',
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|                 FileNode->Info->Attribute&EFI_FILE_ARCHIVE?   L'A':L' ',
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|                 FileNode->Info->Attribute&EFI_FILE_SYSTEM?    L'S':L' ',
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|                 FileNode->Info->Attribute&EFI_FILE_HIDDEN?    L'H':L' ',
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|                 FileNode->Info->Attribute&EFI_FILE_READ_ONLY? L'R':L' ',
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|                 FileNode->FileName
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|                );
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|                
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|               if (ShellGetExecutionBreakFlag()) {
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|                   ShellStatus = SHELL_ABORTED;
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|                   break;
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|               }
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|             }
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|             Status = ShellCloseFileMetaArg(&ListOfFiles);
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|             ListOfFiles = NULL;
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|             if (EFI_ERROR(Status)) {
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|               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_CLOSE_FAIL), gShellLevel2HiiHandle, L"attrib", ShellCommandLineGetRawValue(Package, ParamNumberCount));  
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|               ShellStatus = SHELL_NOT_FOUND;
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|             }
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|           } // for loop for handling wildcard filenames
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|         } // for loop for printing out the info
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|       } else if ((FileAttributesToRemove & FileAttributesToAdd) != 0) {
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|         //
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|         // fail as we have conflcting params.
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|         //
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|         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_CON), gShellLevel2HiiHandle, L"attrib");  
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|         ShellStatus = SHELL_INVALID_PARAMETER;
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|       } else {
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|         //
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|         // enumerate through all the files/directories and apply the attributes
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|         //
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|         for ( ParamNumberCount = 1
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|             ;
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|             ; ParamNumberCount++
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|            ){
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|           FileName = ShellCommandLineGetRawValue(Package, ParamNumberCount);
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|           // if we dont have anything left, move on...
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|           if (FileName == NULL) {
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|             //
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|             // make sure we are not failing on the first one we do... if yes that's an error...
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|             //
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|             if (ParamNumberCount == 1) {
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|               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle, L"attrib");  
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|               ShellStatus = SHELL_INVALID_PARAMETER;
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|             }
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|             break;
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|           }
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| 
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|           //
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|           // OpenFileByName / GetFileInfo / Change attributes / SetFileInfo / CloseFile / free memory
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|           // for each file or directory on the line.
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|           //
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| 
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|           //
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|           // Open the file(s)
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|           //
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|           ASSERT(ListOfFiles == NULL);
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|           Status = ShellOpenFileMetaArg((CHAR16*)FileName, EFI_FILE_MODE_READ, &ListOfFiles);
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|           if (EFI_ERROR(Status)) {
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|             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, L"attrib", ShellCommandLineGetRawValue(Package, ParamNumberCount));  
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|             ShellStatus = SHELL_NOT_FOUND;
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|           } else {
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|             for (FileNode = (EFI_SHELL_FILE_INFO*)GetFirstNode(&ListOfFiles->Link)
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|               ;  !IsNull(&ListOfFiles->Link, &FileNode->Link)
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|               ;  FileNode = (EFI_SHELL_FILE_INFO*)GetNextNode(&ListOfFiles->Link, &FileNode->Link)
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|              ){
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|               //
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|               // skip the directory traversing stuff...
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|               //
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|               if (StrCmp(FileNode->FileName, L".") == 0 || StrCmp(FileNode->FileName, L"..") == 0) {
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|                 continue;
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|               }
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| 
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|               FileInfo = gEfiShellProtocol->GetFileInfo(FileNode->Handle);
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| 
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|               //
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|               // if we are removing Read-Only we need to do that alone
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|               //
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|               if ((FileAttributesToRemove & EFI_FILE_READ_ONLY) == EFI_FILE_READ_ONLY) {
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|                 FileInfo->Attribute &= ~EFI_FILE_READ_ONLY;
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|                 //
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|                 // SetFileInfo
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|                 //
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|                 Status = ShellSetFileInfo(FileNode->Handle, FileInfo);
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|                 if (EFI_ERROR(Status)) {
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|                   ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_AD), gShellLevel2HiiHandle, L"attrib", ShellCommandLineGetRawValue(Package, ParamNumberCount));  
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|                   ShellStatus = SHELL_ACCESS_DENIED;
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|                 }
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|               }
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| 
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|               //
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|               // change the attribute
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|               //
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|               FileInfo->Attribute &= ~FileAttributesToRemove;
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|               FileInfo->Attribute |= FileAttributesToAdd;
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| 
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|               //
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|               // SetFileInfo
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|               //
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|               Status = ShellSetFileInfo(FileNode->Handle, FileInfo);
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|               if (EFI_ERROR(Status)) {;
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|                 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_AD), gShellLevel2HiiHandle, L"attrib", ShellCommandLineGetRawValue(Package, ParamNumberCount));  
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|                 ShellStatus = SHELL_ACCESS_DENIED;
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|               }
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| 
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|               SHELL_FREE_NON_NULL(FileInfo);
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|             }
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|             Status = ShellCloseFileMetaArg(&ListOfFiles);
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|             ListOfFiles = NULL;
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|             if (EFI_ERROR(Status)) {
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|               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_CLOSE_FAIL), gShellLevel2HiiHandle, L"attrib", ShellCommandLineGetRawValue(Package, ParamNumberCount));  
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|               ShellStatus = SHELL_NOT_FOUND;
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|             }
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|           } // for loop for handling wildcard filenames
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|         }
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|       }
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|     }
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|   }
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| 
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|   //
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|   // free the command line package
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|   //
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|   ShellCommandLineFreeVarList (Package);
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| 
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|   //
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|   // return the status
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|   //
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|   return (ShellStatus);
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| }
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