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314 lines
9.0 KiB
314 lines
9.0 KiB
4 years ago
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/** @file
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Main file for vol shell level 2 function.
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(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2011 - 2018, 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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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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#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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Print the info or change the volume info.
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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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@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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ShellStatus = SHELL_SUCCESS;
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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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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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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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// 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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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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ASSERT(SysInfo != NULL);
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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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FreePool(SysInfo);
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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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SysInfoSize = 0;
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SysInfo = NULL;
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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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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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gEfiShellProtocol->CloseFile(ShellFileHandle);
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ASSERT(SysInfo != NULL);
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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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return (ShellStatus);
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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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Function for 'Vol' command.
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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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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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// 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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// 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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// 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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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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SHELL_FREE_NON_NULL(FullPath);
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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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return (ShellStatus);
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}
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