mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-19 15:37:40 +01:00
381 lines
12 KiB
C
381 lines
12 KiB
C
/** @file
|
|
Main file for attrib shell level 2 function.
|
|
|
|
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
|
|
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#include "UefiShellLevel2CommandsLib.h"
|
|
|
|
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
|
|
{L"-q", TypeFlag},
|
|
{NULL, TypeMax}
|
|
};
|
|
|
|
/**
|
|
Determine if a directory has no files in it.
|
|
|
|
@param[in] FileHandle The EFI_HANDLE to the directory.
|
|
|
|
@retval TRUE The directory has no files (or directories).
|
|
@retval FALSE The directory has at least 1 file or directory in it.
|
|
**/
|
|
BOOLEAN
|
|
IsDirectoryEmpty (
|
|
IN EFI_HANDLE FileHandle
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_FILE_INFO *FileInfo;
|
|
BOOLEAN NoFile;
|
|
BOOLEAN RetVal;
|
|
|
|
RetVal = TRUE;
|
|
NoFile = FALSE;
|
|
FileInfo = NULL;
|
|
|
|
for (Status = FileHandleFindFirstFile(FileHandle, &FileInfo)
|
|
; !NoFile && !EFI_ERROR (Status)
|
|
; FileHandleFindNextFile(FileHandle, FileInfo, &NoFile)
|
|
){
|
|
if (StrStr(FileInfo->FileName, L".") != FileInfo->FileName
|
|
&&StrStr(FileInfo->FileName, L"..") != FileInfo->FileName) {
|
|
RetVal = FALSE;
|
|
}
|
|
}
|
|
return (RetVal);
|
|
}
|
|
|
|
/**
|
|
Delete a node and all nodes under it (including sub directories).
|
|
|
|
@param[in] Node The node to start deleting with.
|
|
@param[in] Quiet TRUE to print no messages.
|
|
|
|
@retval SHELL_SUCCESS The operation was successful.
|
|
@retval SHELL_ACCESS_DENIED A file was read only.
|
|
@retval SHELL_ABORTED The abort message was received.
|
|
@retval SHELL_DEVICE_ERROR A device error occured reading this Node.
|
|
**/
|
|
SHELL_STATUS
|
|
CascadeDelete(
|
|
IN EFI_SHELL_FILE_INFO *Node,
|
|
IN CONST BOOLEAN Quiet
|
|
)
|
|
{
|
|
SHELL_STATUS ShellStatus;
|
|
EFI_SHELL_FILE_INFO *List;
|
|
EFI_SHELL_FILE_INFO *Node2;
|
|
EFI_STATUS Status;
|
|
SHELL_PROMPT_RESPONSE *Resp;
|
|
CHAR16 *TempName;
|
|
UINTN NewSize;
|
|
|
|
Resp = NULL;
|
|
ShellStatus = SHELL_SUCCESS;
|
|
List = NULL;
|
|
Status = EFI_SUCCESS;
|
|
|
|
if ((Node->Info->Attribute & EFI_FILE_READ_ONLY) == EFI_FILE_READ_ONLY) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DETELE_RO), gShellLevel2HiiHandle, L"rm", Node->FullName);
|
|
return (SHELL_ACCESS_DENIED);
|
|
}
|
|
|
|
if ((Node->Info->Attribute & EFI_FILE_DIRECTORY) == EFI_FILE_DIRECTORY) {
|
|
if (!IsDirectoryEmpty(Node->Handle)) {
|
|
if (!Quiet) {
|
|
Status = ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_RM_LOG_DELETE_CONF), gShellLevel2HiiHandle, Node->FullName);
|
|
Status = ShellPromptForResponse(ShellPromptResponseTypeYesNo, NULL, (VOID**)&Resp);
|
|
ASSERT(Resp != NULL);
|
|
if (EFI_ERROR(Status) || *Resp != ShellPromptResponseYes) {
|
|
SHELL_FREE_NON_NULL(Resp);
|
|
return (SHELL_ABORTED);
|
|
}
|
|
SHELL_FREE_NON_NULL(Resp);
|
|
}
|
|
//
|
|
// empty out the directory
|
|
//
|
|
Status = gEfiShellProtocol->FindFilesInDir(Node->Handle, &List);
|
|
if (EFI_ERROR(Status)) {
|
|
if (List!=NULL) {
|
|
gEfiShellProtocol->FreeFileList(&List);
|
|
}
|
|
return (SHELL_DEVICE_ERROR);
|
|
}
|
|
for (Node2 = (EFI_SHELL_FILE_INFO *)GetFirstNode(&List->Link)
|
|
; !IsNull(&List->Link, &Node2->Link)
|
|
; Node2 = (EFI_SHELL_FILE_INFO *)GetNextNode(&List->Link, &Node2->Link)
|
|
){
|
|
//
|
|
// skip the directory traversing stuff...
|
|
//
|
|
if (StrCmp(Node2->FileName, L".") == 0 || StrCmp(Node2->FileName, L"..") == 0) {
|
|
continue;
|
|
}
|
|
Node2->Status = gEfiShellProtocol->OpenFileByName (Node2->FullName, &Node2->Handle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE);
|
|
if (EFI_ERROR(Node2->Status) && StrStr(Node2->FileName, L":") == NULL) {
|
|
//
|
|
// Update the node filename to have full path with file system identifier
|
|
//
|
|
NewSize = StrSize(Node->FullName) + StrSize(Node2->FullName);
|
|
TempName = AllocateZeroPool(NewSize);
|
|
if (TempName == NULL) {
|
|
ShellStatus = SHELL_OUT_OF_RESOURCES;
|
|
} else {
|
|
StrCpyS(TempName, NewSize/sizeof(CHAR16), Node->FullName);
|
|
TempName[StrStr(TempName, L":")+1-TempName] = CHAR_NULL;
|
|
StrCatS(TempName, NewSize/sizeof(CHAR16), Node2->FullName);
|
|
FreePool((VOID*)Node2->FullName);
|
|
Node2->FullName = TempName;
|
|
|
|
//
|
|
// Now try again to open the file
|
|
//
|
|
Node2->Status = gEfiShellProtocol->OpenFileByName (Node2->FullName, &Node2->Handle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE);
|
|
}
|
|
}
|
|
if (!EFI_ERROR(Node2->Status)) {
|
|
ShellStatus = CascadeDelete(Node2, Quiet);
|
|
} else if (ShellStatus == SHELL_SUCCESS) {
|
|
ShellStatus = (SHELL_STATUS)(Node2->Status&(~0x80000000));
|
|
}
|
|
if (ShellStatus != SHELL_SUCCESS) {
|
|
if (List!=NULL) {
|
|
gEfiShellProtocol->FreeFileList(&List);
|
|
}
|
|
return (ShellStatus);
|
|
}
|
|
}
|
|
if (List!=NULL) {
|
|
gEfiShellProtocol->FreeFileList(&List);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!(StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0)) {
|
|
//
|
|
// now delete the current node...
|
|
//
|
|
if (!Quiet) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE), gShellLevel2HiiHandle, Node->FullName);
|
|
}
|
|
Status = gEfiShellProtocol->DeleteFile(Node->Handle);
|
|
Node->Handle = NULL;
|
|
}
|
|
|
|
//
|
|
// We cant allow for the warning here! (Dont use EFI_ERROR Macro).
|
|
//
|
|
if (Status != EFI_SUCCESS){
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR), gShellLevel2HiiHandle, Status);
|
|
return (SHELL_ACCESS_DENIED);
|
|
} else {
|
|
if (!Quiet) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_COMP), gShellLevel2HiiHandle);
|
|
}
|
|
return (SHELL_SUCCESS);
|
|
}
|
|
}
|
|
|
|
/**
|
|
Determines if a Node is a valid delete target. Will prevent deleting the root directory.
|
|
|
|
@param[in] List RESERVED. Not used.
|
|
@param[in] Node The node to analyze.
|
|
@param[in] Package RESERVED. Not used.
|
|
**/
|
|
BOOLEAN
|
|
IsValidDeleteTarget(
|
|
IN CONST EFI_SHELL_FILE_INFO *List,
|
|
IN CONST EFI_SHELL_FILE_INFO *Node,
|
|
IN CONST LIST_ENTRY *Package
|
|
)
|
|
{
|
|
CONST CHAR16 *TempLocation;
|
|
BOOLEAN RetVal;
|
|
CHAR16 *SearchString;
|
|
CHAR16 *Pattern;
|
|
UINTN Size;
|
|
|
|
if (Node == NULL || Node->FullName == NULL) {
|
|
return (FALSE);
|
|
}
|
|
|
|
TempLocation = StrStr(Node->FullName, L":");
|
|
if (StrLen(TempLocation) <= 2) {
|
|
//
|
|
// Deleting the root directory is invalid.
|
|
//
|
|
return (FALSE);
|
|
}
|
|
|
|
TempLocation = ShellGetCurrentDir(NULL);
|
|
if (TempLocation == NULL) {
|
|
//
|
|
// No working directory is specified so whatever is left is ok.
|
|
//
|
|
return (TRUE);
|
|
}
|
|
|
|
Pattern = NULL;
|
|
SearchString = NULL;
|
|
Size = 0;
|
|
Pattern = StrnCatGrow(&Pattern, &Size, TempLocation , 0);
|
|
Pattern = StrnCatGrow(&Pattern, &Size, L"\\" , 0);
|
|
Size = 0;
|
|
SearchString = StrnCatGrow(&SearchString, &Size, Node->FullName, 0);
|
|
if (!EFI_ERROR(ShellIsDirectory(SearchString))) {
|
|
SearchString = StrnCatGrow(&SearchString, &Size, L"\\", 0);
|
|
SearchString = StrnCatGrow(&SearchString, &Size, L"*", 0);
|
|
}
|
|
|
|
if (Pattern == NULL || SearchString == NULL) {
|
|
RetVal = FALSE;
|
|
} else {
|
|
RetVal = TRUE;
|
|
if (gUnicodeCollation->MetaiMatch(gUnicodeCollation, Pattern, SearchString)) {
|
|
RetVal = FALSE;
|
|
}
|
|
}
|
|
|
|
SHELL_FREE_NON_NULL(Pattern );
|
|
SHELL_FREE_NON_NULL(SearchString);
|
|
|
|
return (RetVal);
|
|
}
|
|
|
|
/**
|
|
Function for 'rm' command.
|
|
|
|
@param[in] ImageHandle Handle to the Image (NULL if Internal).
|
|
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
|
|
**/
|
|
SHELL_STATUS
|
|
EFIAPI
|
|
ShellCommandRunRm (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
LIST_ENTRY *Package;
|
|
CHAR16 *ProblemParam;
|
|
CONST CHAR16 *Param;
|
|
SHELL_STATUS ShellStatus;
|
|
UINTN ParamCount;
|
|
EFI_SHELL_FILE_INFO *FileList;
|
|
EFI_SHELL_FILE_INFO *Node;
|
|
|
|
ProblemParam = NULL;
|
|
ShellStatus = SHELL_SUCCESS;
|
|
ParamCount = 0;
|
|
FileList = NULL;
|
|
|
|
//
|
|
// initialize the shell lib (we must be in non-auto-init...)
|
|
//
|
|
Status = ShellInitialize();
|
|
ASSERT_EFI_ERROR(Status);
|
|
|
|
//
|
|
// parse the command line
|
|
//
|
|
Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
|
|
if (EFI_ERROR(Status)) {
|
|
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"rm", ProblemParam);
|
|
FreePool(ProblemParam);
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
} else {
|
|
ASSERT(FALSE);
|
|
}
|
|
} else {
|
|
//
|
|
// check for "-?"
|
|
//
|
|
if (ShellCommandLineGetFlag(Package, L"-?")) {
|
|
ASSERT(FALSE);
|
|
}
|
|
if (ShellCommandLineGetRawValue(Package, 1) == NULL) {
|
|
//
|
|
// we insufficient parameters
|
|
//
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle, L"rm");
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
} else {
|
|
//
|
|
// get a list with each file specified by parameters
|
|
// if parameter is a directory then add all the files below it to the list
|
|
//
|
|
for ( ParamCount = 1, Param = ShellCommandLineGetRawValue(Package, ParamCount)
|
|
; Param != NULL
|
|
; ParamCount++, Param = ShellCommandLineGetRawValue(Package, ParamCount)
|
|
){
|
|
Status = ShellOpenFileMetaArg((CHAR16*)Param, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);
|
|
if (EFI_ERROR(Status) || FileList == NULL || IsListEmpty(&FileList->Link)) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, L"rm", (CHAR16*)Param);
|
|
ShellStatus = SHELL_NOT_FOUND;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ShellStatus == SHELL_SUCCESS){
|
|
//
|
|
// loop through the list and make sure we are not aborting...
|
|
//
|
|
for ( Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link)
|
|
; !IsNull(&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag()
|
|
; Node = (EFI_SHELL_FILE_INFO*)GetNextNode(&FileList->Link, &Node->Link)
|
|
){
|
|
//
|
|
// skip the directory traversing stuff...
|
|
//
|
|
if (StrCmp(Node->FileName, L".") == 0 || StrCmp(Node->FileName, L"..") == 0) {
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// do the deleting of nodes
|
|
//
|
|
if (EFI_ERROR(Node->Status)){
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR2), gShellLevel2HiiHandle, Node->Status);
|
|
ShellStatus = SHELL_ACCESS_DENIED;
|
|
break;
|
|
}
|
|
if (!IsValidDeleteTarget(FileList, Node, Package)) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_RM_LOG_DELETE_ERR3), gShellLevel2HiiHandle, Node->FullName);
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
break;
|
|
}
|
|
|
|
ShellStatus = CascadeDelete(Node, ShellCommandLineGetFlag(Package, L"-q"));
|
|
}
|
|
}
|
|
//
|
|
// Free the fileList
|
|
//
|
|
if (FileList != NULL) {
|
|
Status = ShellCloseFileMetaArg(&FileList);
|
|
}
|
|
FileList = NULL;
|
|
}
|
|
|
|
//
|
|
// free the command line package
|
|
//
|
|
ShellCommandLineFreeVarList (Package);
|
|
}
|
|
|
|
return (ShellStatus);
|
|
}
|
|
|