Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chen A Chen <chen.a.chen@intel.com> Reviewed-by: Jaben Carsey <jaben.carsey@intel.com> Reviewed-by: Ruiyu Ni <Ruiyu.ni@intel.com>
		
			
				
	
	
		
			314 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			314 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   Main file for vol shell level 2 function.
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| 
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|   (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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|   Copyright (c) 2011 - 2015, 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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| #include <Guid/FileSystemInfo.h>
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| #include <Guid/FileSystemVolumeLabelInfo.h>
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| 
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| /**
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|   Print the info or change the volume info.
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| 
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|   @param[in] Path           String with starting path.
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|   @param[in] Delete         TRUE to delete the volume label. FALSE otherwise.
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|   @param[in] Name           New name to set to the volume label.
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| 
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|   @retval SHELL_SUCCESS     The operation was sucessful.
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| **/
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| SHELL_STATUS
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| HandleVol(
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|   IN CONST CHAR16  *Path,
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|   IN CONST BOOLEAN Delete,
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|   IN CONST CHAR16  *Name OPTIONAL
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|   )
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| {
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|   EFI_STATUS            Status;
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|   SHELL_STATUS          ShellStatus;
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|   EFI_FILE_SYSTEM_INFO  *SysInfo;
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|   UINTN                 SysInfoSize;
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|   SHELL_FILE_HANDLE     ShellFileHandle;
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|   EFI_FILE_PROTOCOL     *EfiFpHandle;
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|   UINTN                 Size1;
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|   UINTN                 Size2;
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| 
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|   ShellStatus   = SHELL_SUCCESS;
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| 
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|   if (
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|       Name != NULL && (
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|       StrStr(Name, L"%") != NULL ||
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|       StrStr(Name, L"^") != NULL ||
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|       StrStr(Name, L"*") != NULL ||
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|       StrStr(Name, L"+") != NULL ||
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|       StrStr(Name, L"=") != NULL ||
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|       StrStr(Name, L"[") != NULL ||
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|       StrStr(Name, L"]") != NULL ||
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|       StrStr(Name, L"|") != NULL ||
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|       StrStr(Name, L":") != NULL ||
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|       StrStr(Name, L";") != NULL ||
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|       StrStr(Name, L"\"") != NULL ||
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|       StrStr(Name, L"<") != NULL ||
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|       StrStr(Name, L">") != NULL ||
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|       StrStr(Name, L"?") != NULL ||
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|       StrStr(Name, L"/") != NULL ||
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|       StrStr(Name, L" ") != NULL )
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|       ){
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|     ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel2HiiHandle, L"vol", Name);  
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|     return (SHELL_INVALID_PARAMETER);
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|   }
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| 
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|   Status = gEfiShellProtocol->OpenFileByName(
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|     Path,
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|     &ShellFileHandle,
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|     Name != NULL?EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE:EFI_FILE_MODE_READ);
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| 
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|   if (EFI_ERROR(Status) || ShellFileHandle == NULL) {
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|     ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, L"vol", Path);  
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|     return (SHELL_ACCESS_DENIED);
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|   }
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| 
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|   //
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|   // Get the Volume Info from ShellFileHandle
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|   //
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|   SysInfo     = NULL;
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|   SysInfoSize = 0;
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|   EfiFpHandle = ConvertShellHandleToEfiFileProtocol(ShellFileHandle);
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|   Status = EfiFpHandle->GetInfo(
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|     EfiFpHandle,
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|     &gEfiFileSystemInfoGuid,
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|     &SysInfoSize,
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|     SysInfo);
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| 
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|   if (Status == EFI_BUFFER_TOO_SMALL) {
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|     SysInfo = AllocateZeroPool(SysInfoSize);
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|     Status = EfiFpHandle->GetInfo(
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|       EfiFpHandle,
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|       &gEfiFileSystemInfoGuid,
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|       &SysInfoSize,
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|       SysInfo);
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|   }
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| 
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|   ASSERT(SysInfo != NULL);
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| 
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|   if (Delete) {
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|     *((CHAR16 *) SysInfo->VolumeLabel) = CHAR_NULL;
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|     SysInfo->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize(SysInfo->VolumeLabel);
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|     Status = EfiFpHandle->SetInfo(
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|       EfiFpHandle,
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|       &gEfiFileSystemInfoGuid,
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|       (UINTN)SysInfo->Size,
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|       SysInfo);
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|   } else if (Name != NULL) {
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|     Size1 = StrSize(Name);
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|     Size2 = StrSize(SysInfo->VolumeLabel);
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|     if (Size1 > Size2) {
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|       SysInfo = ReallocatePool((UINTN)SysInfo->Size, (UINTN)SysInfo->Size + Size1 - Size2, SysInfo);
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|       if (SysInfo == NULL) {
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|         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellLevel2HiiHandle, L"vol");  
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|         ShellStatus = SHELL_OUT_OF_RESOURCES;
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|       } 
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|     }
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|     if (SysInfo != NULL) {
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|       StrCpyS ( (CHAR16 *) SysInfo->VolumeLabel, 
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|                   (Size1>Size2? Size1/sizeof(CHAR16) : Size2/sizeof(CHAR16)), 
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|                   Name
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|                   );
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|       SysInfo->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + Size1;
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|       Status = EfiFpHandle->SetInfo(
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|         EfiFpHandle,
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|         &gEfiFileSystemInfoGuid,
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|         (UINTN)SysInfo->Size,
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|         SysInfo);
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|     }
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|   }  
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| 
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|   FreePool(SysInfo);
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| 
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|   if (Delete || Name != NULL) {
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|     if (EFI_ERROR(Status)) {
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|       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_AD), gShellLevel2HiiHandle, L"vol", Path);  
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|       ShellStatus = SHELL_ACCESS_DENIED;
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|     }
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|   }
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| 
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|   SysInfoSize = 0;
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|   SysInfo = NULL;
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| 
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|   Status = EfiFpHandle->GetInfo(
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|     EfiFpHandle,
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|     &gEfiFileSystemInfoGuid,
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|     &SysInfoSize,
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|     SysInfo);
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| 
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|   if (Status == EFI_BUFFER_TOO_SMALL) {
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|     SysInfo = AllocateZeroPool(SysInfoSize);
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|     Status = EfiFpHandle->GetInfo(
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|       EfiFpHandle,
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|       &gEfiFileSystemInfoGuid,
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|       &SysInfoSize,
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|       SysInfo);
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|   }
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| 
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|   gEfiShellProtocol->CloseFile(ShellFileHandle);
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|   
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|   ASSERT(SysInfo != NULL);
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| 
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|   if (SysInfo != NULL) {
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|     //
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|     // print VolumeInfo table
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|     //
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|     ShellPrintHiiEx (
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|       0,
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|       gST->ConOut->Mode->CursorRow,
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|       NULL,
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|       STRING_TOKEN (STR_VOL_VOLINFO),
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|       gShellLevel2HiiHandle,
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|       SysInfo->VolumeLabel,
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|       SysInfo->ReadOnly?L"r":L"rw",
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|       SysInfo->VolumeSize,
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|       SysInfo->FreeSpace,
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|       SysInfo->BlockSize
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|      );
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|     SHELL_FREE_NON_NULL(SysInfo);
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|   }
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| 
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|   return (ShellStatus);
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| }
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| 
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| STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
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|   {L"-d", TypeFlag},
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|   {L"-n", TypeValue},
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|   {NULL, TypeMax}
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|   };
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| 
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| /**
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|   Function for 'Vol' 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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| ShellCommandRunVol (
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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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|   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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|   CONST CHAR16  *PathName;
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|   CONST CHAR16  *CurDir;
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|   BOOLEAN       DeleteMode;
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|   CHAR16        *FullPath;
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|   CHAR16        *TempSpot;
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|   UINTN         Length;
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|   CONST CHAR16  *NewName;
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| 
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|   Length              = 0;
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|   ProblemParam        = NULL;
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|   ShellStatus         = SHELL_SUCCESS;
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|   PathName            = NULL;
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|   CurDir              = NULL;
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|   FullPath            = 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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|   // Fix local copies of the protocol pointers
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|   //
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|   Status = CommandInit();
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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 (ParamList, &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"vol", 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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|     // check for "-?"
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|     //
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|     if (ShellCommandLineGetFlag(Package, L"-?")) {
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|       ASSERT(FALSE);
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|     }
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| 
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|     if (ShellCommandLineGetCount(Package) > 2) {
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|       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"vol");  
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|       ShellStatus = SHELL_INVALID_PARAMETER;
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|     } else {
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|       PathName = ShellCommandLineGetRawValue(Package, 1);
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|       if (PathName == NULL) {
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|         CurDir = gEfiShellProtocol->GetCurDir(NULL);
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|         if (CurDir == NULL) {
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|           ShellStatus = SHELL_NOT_FOUND;
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|           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"vol");  
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|         } else {
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|           PathName = CurDir;
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|         }
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|       }
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|       if (PathName != NULL) {
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|         TempSpot = StrStr(PathName, L":");
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|         if (TempSpot != NULL) {
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|           *TempSpot = CHAR_NULL;
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|         }
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|         TempSpot = StrStr(PathName, L"\\");
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|         if (TempSpot != NULL) {
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|           *TempSpot = CHAR_NULL;
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|         }
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|         StrnCatGrow(&FullPath, &Length, PathName, 0);
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|         StrnCatGrow(&FullPath, &Length, L":\\", 0);
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|         DeleteMode = ShellCommandLineGetFlag(Package, L"-d");
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|         NewName    = ShellCommandLineGetValue(Package, L"-n");
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|         if (DeleteMode && ShellCommandLineGetFlag(Package, L"-n")) {
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|           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_CONFLICT), gShellLevel2HiiHandle, L"vol", L"-d", L"-n");  
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|           ShellStatus = SHELL_INVALID_PARAMETER;
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|         } else if (ShellCommandLineGetFlag(Package, L"-n") && NewName == NULL) {
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|           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellLevel2HiiHandle, L"vol", L"-n");  
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|           ShellStatus = SHELL_INVALID_PARAMETER;
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|         } else if (NewName != NULL && StrLen(NewName) > 11) {
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|           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellLevel2HiiHandle, L"vol", NewName, L"-n");  
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|           ShellStatus = SHELL_INVALID_PARAMETER;
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|         } else if (ShellStatus == SHELL_SUCCESS) {
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|           ShellStatus = HandleVol(
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|             FullPath,
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|             DeleteMode,
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|             NewName
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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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|   SHELL_FREE_NON_NULL(FullPath);
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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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|   return (ShellStatus);
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| }
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