mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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293 lines
9.1 KiB
C
293 lines
9.1 KiB
C
/** @file
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Main file for Touch shell level 3 function.
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(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2009 - 2011, 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 "UefiShellLevel3CommandsLib.h"
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#include <Library/ShellLib.h>
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/**
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Do the touch operation on a single handle.
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@param[in] Handle The handle to update the date/time on.
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@retval EFI_ACCESS_DENIED The file referenced by Handle is read only.
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@retval EFI_SUCCESS The operation was successful.
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**/
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EFI_STATUS
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TouchFileByHandle (
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IN EFI_HANDLE Handle
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)
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{
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EFI_STATUS Status;
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EFI_FILE_INFO *FileInfo;
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FileInfo = gEfiShellProtocol->GetFileInfo(Handle);
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if ((FileInfo->Attribute & EFI_FILE_READ_ONLY) != 0){
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return (EFI_ACCESS_DENIED);
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}
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Status = gRT->GetTime(&FileInfo->ModificationTime, NULL);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"gRT->GetTime", Status);
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return (SHELL_DEVICE_ERROR);
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}
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CopyMem(&FileInfo->LastAccessTime, &FileInfo->ModificationTime, sizeof(EFI_TIME));
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Status = gEfiShellProtocol->SetFileInfo(Handle, FileInfo);
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FreePool(FileInfo);
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return (Status);
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}
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/**
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Touch a given file and potantially recurse down if it was a directory.
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@param[in] Name The name of this file.
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@param[in] FS The name of the file system this file is on.
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@param[in] Handle The handle of this file already opened.
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@param[in] Rec TRUE to recurse if possible.
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@retval EFI_INVALID_PARAMETER A parameter was invalid.
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@retval EFI_SUCCESS The operation was successful.
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**/
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EFI_STATUS
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DoTouchByHandle (
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IN CONST CHAR16 *Name,
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IN CHAR16 *FS,
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IN SHELL_FILE_HANDLE Handle,
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IN BOOLEAN Rec
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)
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{
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EFI_STATUS Status;
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EFI_SHELL_FILE_INFO *FileList;
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EFI_SHELL_FILE_INFO *Walker;
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CHAR16 *TempSpot;
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Status = EFI_SUCCESS;
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FileList = NULL;
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Walker = NULL;
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if (FS == NULL) {
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FS = StrnCatGrow(&FS, NULL, Name, 0);
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if (FS != NULL) {
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TempSpot = StrStr(FS, L"\\");
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if (TempSpot != NULL) {
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*TempSpot = CHAR_NULL;
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}
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}
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}
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if (FS == NULL) {
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return (EFI_INVALID_PARAMETER);
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}
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//
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// do it
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//
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Status = TouchFileByHandle(Handle);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel3HiiHandle, L"touch", Name);
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return (Status);
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}
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//
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// if it's a directory recurse...
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//
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if (FileHandleIsDirectory(Handle) == EFI_SUCCESS && Rec) {
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//
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// get each file under this directory
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//
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if (EFI_ERROR(gEfiShellProtocol->FindFilesInDir(Handle, &FileList))) {
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Status = EFI_INVALID_PARAMETER;
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}
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//
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// recurse on each
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//
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for (Walker = (EFI_SHELL_FILE_INFO *)GetFirstNode(&FileList->Link)
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; FileList != NULL && !IsNull(&FileList->Link, &Walker->Link) && !EFI_ERROR(Status)
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; Walker = (EFI_SHELL_FILE_INFO *)GetNextNode(&FileList->Link, &Walker->Link)
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){
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if ( (StrCmp(Walker->FileName, L".") != 0)
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&& (StrCmp(Walker->FileName, L"..") != 0)
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){
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//
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// Open the file since we need that handle.
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//
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Status = gEfiShellProtocol->OpenFileByName (Walker->FullName, &Walker->Handle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel3HiiHandle, L"touch", Walker->FullName);
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Status = EFI_ACCESS_DENIED;
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} else {
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Status = DoTouchByHandle(Walker->FullName, FS, Walker->Handle, TRUE);
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gEfiShellProtocol->CloseFile(Walker->Handle);
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Walker->Handle = NULL;
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}
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}
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}
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//
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// free stuff
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//
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if (FileList != NULL && EFI_ERROR(gEfiShellProtocol->FreeFileList(&FileList))) {
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Status = EFI_INVALID_PARAMETER;
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}
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}
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return (Status);
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}
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STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
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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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Function for 'touch' 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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ShellCommandRunTouch (
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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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CONST CHAR16 *Param;
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SHELL_STATUS ShellStatus;
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UINTN ParamCount;
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EFI_SHELL_FILE_INFO *FileList;
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EFI_SHELL_FILE_INFO *Node;
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ProblemParam = NULL;
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ShellStatus = SHELL_SUCCESS;
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ParamCount = 0;
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FileList = 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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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), gShellLevel3HiiHandle, L"touch", 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 (ShellCommandLineGetRawValue(Package, 1) == NULL) {
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//
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// we insufficient parameters
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//
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel3HiiHandle, L"touch");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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//
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// get a list with each file specified by parameters
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// if parameter is a directory then add all the files below it to the list
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//
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for ( ParamCount = 1, Param = ShellCommandLineGetRawValue(Package, ParamCount)
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; Param != NULL
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; ParamCount++, Param = ShellCommandLineGetRawValue(Package, ParamCount)
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){
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Status = ShellOpenFileMetaArg((CHAR16*)Param, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE, &FileList);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel3HiiHandle, L"touch", (CHAR16*)Param);
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ShellStatus = SHELL_NOT_FOUND;
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break;
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}
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//
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// make sure we completed the param parsing sucessfully...
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// Also make sure that any previous action was sucessful
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//
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if (ShellStatus == SHELL_SUCCESS) {
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//
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// check that we have at least 1 file
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//
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if (FileList == NULL || IsListEmpty(&FileList->Link)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel3HiiHandle, L"touch", Param);
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continue;
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} else {
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//
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// loop through the list and make sure we are not aborting...
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//
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for ( Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link)
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; !IsNull(&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag()
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; Node = (EFI_SHELL_FILE_INFO*)GetNextNode(&FileList->Link, &Node->Link)
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){
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//
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// make sure the file opened ok
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//
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if (EFI_ERROR(Node->Status)){
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel3HiiHandle, L"touch", Node->FileName);
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ShellStatus = SHELL_NOT_FOUND;
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continue;
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}
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Status = DoTouchByHandle(Node->FullName, NULL, Node->Handle, ShellCommandLineGetFlag(Package, L"-r"));
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if (EFI_ERROR(Status) && Status != EFI_ACCESS_DENIED) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel3HiiHandle, L"touch", Node->FileName);
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ShellStatus = SHELL_NOT_FOUND;
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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 fileList
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//
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if (FileList != NULL && !IsListEmpty(&FileList->Link)) {
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Status = ShellCloseFileMetaArg(&FileList);
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ASSERT_EFI_ERROR(Status);
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}
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FileList = NULL;
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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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if (ShellGetExecutionBreakFlag()) {
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return (SHELL_ABORTED);
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}
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return (ShellStatus);
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}
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