audk/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c

941 lines
29 KiB
C

/** @file
Main file for ls shell level 2 function.
(C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiShellLevel2CommandsLib.h"
#include <Guid/FileSystemInfo.h>
UINTN mDayOfMonth[] = { 31, 28, 31, 30, 31, 30, 31, 30, 31, 30, 31, 30 };
/**
print out the standard format output volume entry.
@param[in] TheList a list of files from the volume.
**/
EFI_STATUS
PrintSfoVolumeInfoTableEntry (
IN CONST EFI_SHELL_FILE_INFO *TheList
)
{
EFI_STATUS Status;
EFI_SHELL_FILE_INFO *Node;
CHAR16 *DirectoryName;
EFI_FILE_SYSTEM_INFO *SysInfo;
UINTN SysInfoSize;
SHELL_FILE_HANDLE ShellFileHandle;
EFI_FILE_PROTOCOL *EfiFpHandle;
//
// Get the first valid handle (directories)
//
for ( Node = (EFI_SHELL_FILE_INFO *)GetFirstNode (&TheList->Link)
; !IsNull (&TheList->Link, &Node->Link) && Node->Handle == NULL
; Node = (EFI_SHELL_FILE_INFO *)GetNextNode (&TheList->Link, &Node->Link)
)
{
}
if (Node->Handle == NULL) {
DirectoryName = GetFullyQualifiedPath (((EFI_SHELL_FILE_INFO *)GetFirstNode (&TheList->Link))->FullName);
//
// We need to open something up to get system information
//
Status = gEfiShellProtocol->OpenFileByName (
DirectoryName,
&ShellFileHandle,
EFI_FILE_MODE_READ
);
ASSERT_EFI_ERROR (Status);
FreePool (DirectoryName);
//
// Get the Volume Info from ShellFileHandle
//
SysInfo = NULL;
SysInfoSize = 0;
EfiFpHandle = ConvertShellHandleToEfiFileProtocol (ShellFileHandle);
Status = EfiFpHandle->GetInfo (
EfiFpHandle,
&gEfiFileSystemInfoGuid,
&SysInfoSize,
SysInfo
);
if (Status == EFI_BUFFER_TOO_SMALL) {
SysInfo = AllocateZeroPool (SysInfoSize);
Status = EfiFpHandle->GetInfo (
EfiFpHandle,
&gEfiFileSystemInfoGuid,
&SysInfoSize,
SysInfo
);
}
ASSERT_EFI_ERROR (Status);
gEfiShellProtocol->CloseFile (ShellFileHandle);
} else {
//
// Get the Volume Info from Node->Handle
//
SysInfo = NULL;
SysInfoSize = 0;
EfiFpHandle = ConvertShellHandleToEfiFileProtocol (Node->Handle);
Status = EfiFpHandle->GetInfo (
EfiFpHandle,
&gEfiFileSystemInfoGuid,
&SysInfoSize,
SysInfo
);
if (Status == EFI_BUFFER_TOO_SMALL) {
SysInfo = AllocateZeroPool (SysInfoSize);
Status = EfiFpHandle->GetInfo (
EfiFpHandle,
&gEfiFileSystemInfoGuid,
&SysInfoSize,
SysInfo
);
}
ASSERT_EFI_ERROR (Status);
}
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_GEN_SFO_HEADER),
gShellLevel2HiiHandle,
L"ls"
);
//
// print VolumeInfo table
//
ASSERT (SysInfo != NULL);
ShellPrintHiiEx (
0,
gST->ConOut->Mode->CursorRow,
NULL,
STRING_TOKEN (STR_LS_SFO_VOLINFO),
gShellLevel2HiiHandle,
SysInfo->VolumeLabel,
SysInfo->VolumeSize,
SysInfo->ReadOnly ? L"TRUE" : L"FALSE",
SysInfo->FreeSpace,
SysInfo->BlockSize
);
SHELL_FREE_NON_NULL (SysInfo);
return (Status);
}
/**
print out the info on a single file.
@param[in] Sfo TRUE if in SFO, false otherwise.
@param[in] TheNode the EFI_SHELL_FILE_INFO node to print out information on.
@param[in] Files incremented if a file is printed.
@param[in] Size incremented by file size.
@param[in] Dirs incremented if a directory is printed.
**/
VOID
PrintFileInformation (
IN CONST BOOLEAN Sfo,
IN CONST EFI_SHELL_FILE_INFO *TheNode,
IN UINT64 *Files,
IN UINT64 *Size,
IN UINT64 *Dirs
)
{
ASSERT (Files != NULL);
ASSERT (Size != NULL);
ASSERT (Dirs != NULL);
ASSERT (TheNode != NULL);
if (Sfo) {
//
// Print the FileInfo Table
//
ShellPrintHiiEx (
0,
gST->ConOut->Mode->CursorRow,
NULL,
STRING_TOKEN (STR_LS_SFO_FILEINFO),
gShellLevel2HiiHandle,
TheNode->FullName,
TheNode->Info->FileSize,
TheNode->Info->PhysicalSize,
(TheNode->Info->Attribute & EFI_FILE_ARCHIVE) != 0 ? L"a" : L"",
(TheNode->Info->Attribute & EFI_FILE_DIRECTORY) != 0 ? L"d" : L"",
(TheNode->Info->Attribute & EFI_FILE_HIDDEN) != 0 ? L"h" : L"",
(TheNode->Info->Attribute & EFI_FILE_READ_ONLY) != 0 ? L"r" : L"",
(TheNode->Info->Attribute & EFI_FILE_SYSTEM) != 0 ? L"s" : L"",
TheNode->Info->CreateTime.Hour,
TheNode->Info->CreateTime.Minute,
TheNode->Info->CreateTime.Second,
TheNode->Info->CreateTime.Day,
TheNode->Info->CreateTime.Month,
TheNode->Info->CreateTime.Year,
TheNode->Info->LastAccessTime.Hour,
TheNode->Info->LastAccessTime.Minute,
TheNode->Info->LastAccessTime.Second,
TheNode->Info->LastAccessTime.Day,
TheNode->Info->LastAccessTime.Month,
TheNode->Info->LastAccessTime.Year,
TheNode->Info->ModificationTime.Hour,
TheNode->Info->ModificationTime.Minute,
TheNode->Info->ModificationTime.Second,
TheNode->Info->ModificationTime.Day,
TheNode->Info->ModificationTime.Month,
TheNode->Info->ModificationTime.Year
);
} else {
//
// print this one out...
// first print the universal start, next print the type specific name format, last print the CRLF
//
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_LS_LINE_START_ALL),
gShellLevel2HiiHandle,
&TheNode->Info->ModificationTime,
(TheNode->Info->Attribute & EFI_FILE_DIRECTORY) != 0 ? L"<DIR>" : L"",
(TheNode->Info->Attribute & EFI_FILE_READ_ONLY) != 0 ? L'r' : L' ',
TheNode->Info->FileSize
);
if (TheNode->Info->Attribute & EFI_FILE_DIRECTORY) {
(*Dirs)++;
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_LS_LINE_END_DIR),
gShellLevel2HiiHandle,
TheNode->FileName
);
} else {
(*Files)++;
(*Size) += TheNode->Info->FileSize;
if ( (gUnicodeCollation->StriColl (gUnicodeCollation, (CHAR16 *)L".nsh", (CHAR16 *)&(TheNode->FileName[StrLen (TheNode->FileName) - 4])) == 0)
|| (gUnicodeCollation->StriColl (gUnicodeCollation, (CHAR16 *)L".efi", (CHAR16 *)&(TheNode->FileName[StrLen (TheNode->FileName) - 4])) == 0)
)
{
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_LS_LINE_END_EXE),
gShellLevel2HiiHandle,
TheNode->FileName
);
} else {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_LS_LINE_END_FILE),
gShellLevel2HiiHandle,
TheNode->FileName
);
}
}
}
}
/**
print out the header when not using standard format output.
@param[in] Path String with starting path.
**/
VOID
PrintNonSfoHeader (
IN CONST CHAR16 *Path
)
{
CHAR16 *DirectoryName;
//
// get directory name from path...
//
DirectoryName = GetFullyQualifiedPath (Path);
if (DirectoryName != NULL) {
//
// print header
//
ShellPrintHiiEx (
0,
gST->ConOut->Mode->CursorRow,
NULL,
STRING_TOKEN (STR_LS_HEADER_LINE1),
gShellLevel2HiiHandle,
DirectoryName
);
SHELL_FREE_NON_NULL (DirectoryName);
}
}
/**
print out the footer when not using standard format output.
@param[in] Files The number of files.
@param[in] Size The size of files in bytes.
@param[in] Dirs The number of directories.
**/
VOID
PrintNonSfoFooter (
IN UINT64 Files,
IN UINT64 Size,
IN UINT64 Dirs
)
{
//
// print footer
//
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_LS_FOOTER_LINE),
gShellLevel2HiiHandle,
Files,
Size,
Dirs
);
}
/**
Change the file time to local time based on the timezone.
@param[in] Time The file time.
@param[in] LocalTimeZone Local time zone.
**/
VOID
FileTimeToLocalTime (
IN EFI_TIME *Time,
IN INT16 LocalTimeZone
)
{
INTN MinuteDiff;
INTN TempMinute;
INTN HourNumberOfTempMinute;
INTN TempHour;
INTN DayNumberOfTempHour;
INTN TempDay;
INTN MonthNumberOfTempDay;
INTN TempMonth;
INTN YearNumberOfTempMonth;
INTN MonthRecord;
ASSERT ((Time->TimeZone >= -1440) && (Time->TimeZone <= 1440));
ASSERT ((LocalTimeZone >= -1440) && (LocalTimeZone <= 1440));
ASSERT ((Time->Month >= 1) && (Time->Month <= 12));
if (Time->TimeZone == LocalTimeZone) {
//
// if the file timezone is equal to the local timezone, there is no need to adjust the file time.
//
return;
}
if (((Time->Year % 4 == 0) && (Time->Year / 100 != 0)) || (Time->Year % 400 == 0)) {
//
// Day in February of leap year is 29.
//
mDayOfMonth[1] = 29;
}
MinuteDiff = Time->TimeZone - LocalTimeZone;
TempMinute = Time->Minute + MinuteDiff;
//
// Calculate Time->Minute
// TempHour will be used to calculate Time->Hour
//
HourNumberOfTempMinute = TempMinute / 60;
if (TempMinute < 0) {
HourNumberOfTempMinute--;
}
TempHour = Time->Hour + HourNumberOfTempMinute;
Time->Minute = (UINT8)(TempMinute - 60 * HourNumberOfTempMinute);
//
// Calculate Time->Hour
// TempDay will be used to calculate Time->Day
//
DayNumberOfTempHour = TempHour / 24;
if (TempHour < 0) {
DayNumberOfTempHour--;
}
TempDay = Time->Day + DayNumberOfTempHour;
Time->Hour = (UINT8)(TempHour - 24 * DayNumberOfTempHour);
//
// Calculate Time->Day
// TempMonth will be used to calculate Time->Month
//
MonthNumberOfTempDay = (TempDay - 1) / (INTN)mDayOfMonth[Time->Month - 1];
MonthRecord = (INTN)(Time->Month);
if (TempDay - 1 < 0) {
MonthNumberOfTempDay--;
MonthRecord--;
}
TempMonth = Time->Month + MonthNumberOfTempDay;
Time->Day = (UINT8)(TempDay - (INTN)mDayOfMonth[(MonthRecord - 1 + 12) % 12] * MonthNumberOfTempDay);
//
// Calculate Time->Month, Time->Year
//
YearNumberOfTempMonth = (TempMonth - 1) / 12;
if (TempMonth - 1 < 0) {
YearNumberOfTempMonth--;
}
Time->Month = (UINT8)(TempMonth - 12 * (YearNumberOfTempMonth));
Time->Year = (UINT16)(Time->Year + YearNumberOfTempMonth);
}
/**
print out the list of files and directories from the LS command
@param[in] Rec TRUE to automatically recurse into each found directory
FALSE to only list the specified directory.
@param[in] Attribs List of required Attribute for display.
If 0 then all non-system and non-hidden files will be printed.
@param[in] Sfo TRUE to use Standard Format Output, FALSE otherwise
@param[in] RootPath String with starting path to search in.
@param[in] SearchString String with search string.
@param[in] Found Set to TRUE, if anyone were found.
@param[in] Count The count of bits enabled in Attribs.
@param[in] TimeZone The current time zone offset.
@param[in] ListUnfiltered TRUE to request listing the directory contents
unfiltered.
@retval SHELL_SUCCESS the printing was successful.
**/
SHELL_STATUS
PrintLsOutput (
IN CONST BOOLEAN Rec,
IN CONST UINT64 Attribs,
IN CONST BOOLEAN Sfo,
IN CONST CHAR16 *RootPath,
IN CONST CHAR16 *SearchString,
IN BOOLEAN *Found,
IN CONST UINTN Count,
IN CONST INT16 TimeZone,
IN CONST BOOLEAN ListUnfiltered
)
{
EFI_STATUS Status;
EFI_SHELL_FILE_INFO *ListHead;
EFI_SHELL_FILE_INFO *Node;
SHELL_STATUS ShellStatus;
UINT64 FileCount;
UINT64 DirCount;
UINT64 FileSize;
UINTN LongestPath;
CHAR16 *CorrectedPath;
BOOLEAN FoundOne;
BOOLEAN HeaderPrinted;
EFI_TIME LocalTime;
HeaderPrinted = FALSE;
FileCount = 0;
DirCount = 0;
FileSize = 0;
ListHead = NULL;
ShellStatus = SHELL_SUCCESS;
LongestPath = 0;
CorrectedPath = NULL;
if (Found != NULL) {
FoundOne = *Found;
} else {
FoundOne = FALSE;
}
CorrectedPath = StrnCatGrow (&CorrectedPath, &LongestPath, RootPath, 0);
if (CorrectedPath == NULL) {
return SHELL_OUT_OF_RESOURCES;
}
if ( (CorrectedPath[StrLen (CorrectedPath)-1] != L'\\')
&& (CorrectedPath[StrLen (CorrectedPath)-1] != L'/'))
{
CorrectedPath = StrnCatGrow (&CorrectedPath, &LongestPath, L"\\", 0);
}
CorrectedPath = StrnCatGrow (&CorrectedPath, &LongestPath, SearchString, 0);
if (CorrectedPath == NULL) {
return (SHELL_OUT_OF_RESOURCES);
}
PathCleanUpDirectories (CorrectedPath);
Status = ShellOpenFileMetaArg ((CHAR16 *)CorrectedPath, EFI_FILE_MODE_READ, &ListHead);
if (!EFI_ERROR (Status)) {
if ((ListHead == NULL) || IsListEmpty (&ListHead->Link)) {
SHELL_FREE_NON_NULL (CorrectedPath);
return (SHELL_SUCCESS);
}
if (Sfo && (Found == NULL)) {
PrintSfoVolumeInfoTableEntry (ListHead);
}
if (!Sfo) {
//
// Sort the file list by FileName, stably.
//
// If the call below fails, then the EFI_SHELL_FILE_INFO list anchored to
// ListHead will not be changed in any way.
//
ShellSortFileList (
&ListHead,
NULL, // Duplicates
ShellSortFileListByFileName
);
}
for ( Node = (EFI_SHELL_FILE_INFO *)GetFirstNode (&ListHead->Link), LongestPath = 0
; !IsNull (&ListHead->Link, &Node->Link)
; Node = (EFI_SHELL_FILE_INFO *)GetNextNode (&ListHead->Link, &Node->Link)
)
{
if (ShellGetExecutionBreakFlag ()) {
ShellStatus = SHELL_ABORTED;
break;
}
ASSERT (Node != NULL);
//
// Change the file time to local time.
//
Status = gRT->GetTime (&LocalTime, NULL);
if (!EFI_ERROR (Status) && (LocalTime.TimeZone != EFI_UNSPECIFIED_TIMEZONE)) {
if ((Node->Info->CreateTime.TimeZone != EFI_UNSPECIFIED_TIMEZONE) &&
((Node->Info->CreateTime.Month >= 1) && (Node->Info->CreateTime.Month <= 12)))
{
//
// FileTimeToLocalTime () requires Month is in a valid range, other buffer out-of-band access happens.
//
FileTimeToLocalTime (&Node->Info->CreateTime, LocalTime.TimeZone);
}
if ((Node->Info->LastAccessTime.TimeZone != EFI_UNSPECIFIED_TIMEZONE) &&
((Node->Info->LastAccessTime.Month >= 1) && (Node->Info->LastAccessTime.Month <= 12)))
{
FileTimeToLocalTime (&Node->Info->LastAccessTime, LocalTime.TimeZone);
}
if ((Node->Info->ModificationTime.TimeZone != EFI_UNSPECIFIED_TIMEZONE) &&
((Node->Info->ModificationTime.Month >= 1) && (Node->Info->ModificationTime.Month <= 12)))
{
FileTimeToLocalTime (&Node->Info->ModificationTime, LocalTime.TimeZone);
}
}
if (LongestPath < StrSize (Node->FullName)) {
LongestPath = StrSize (Node->FullName);
}
ASSERT (Node->Info != NULL);
ASSERT ((Node->Info->Attribute & EFI_FILE_VALID_ATTR) == Node->Info->Attribute);
if (Attribs == 0) {
//
// NOT system & NOT hidden
//
if ( (Node->Info->Attribute & EFI_FILE_SYSTEM)
|| (Node->Info->Attribute & EFI_FILE_HIDDEN)
)
{
continue;
}
} else if ((Attribs != EFI_FILE_VALID_ATTR) ||
(Count == 5))
{
//
// Only matches the bits which "Attribs" contains, not
// all files/directories with any of the bits.
// Count == 5 is used to tell the difference between a user
// specifying all bits (EX: -arhsda) and just specifying
// -a (means display all files with any attribute).
//
if ((Node->Info->Attribute & Attribs) != Attribs) {
continue;
}
}
if (!Sfo && !HeaderPrinted) {
PathRemoveLastItem (CorrectedPath);
PrintNonSfoHeader (CorrectedPath);
}
PrintFileInformation (Sfo, Node, &FileCount, &FileSize, &DirCount);
FoundOne = TRUE;
HeaderPrinted = TRUE;
}
if (!Sfo && (ShellStatus != SHELL_ABORTED) && HeaderPrinted) {
PrintNonSfoFooter (FileCount, FileSize, DirCount);
}
}
if (Rec && (ShellStatus != SHELL_ABORTED)) {
//
// Re-Open all the files under the starting path for directories that didnt necessarily match our file filter
//
ShellCloseFileMetaArg (&ListHead);
CorrectedPath[0] = CHAR_NULL;
CorrectedPath = StrnCatGrow (&CorrectedPath, &LongestPath, RootPath, 0);
if (CorrectedPath == NULL) {
return SHELL_OUT_OF_RESOURCES;
}
if ( (CorrectedPath[StrLen (CorrectedPath)-1] != L'\\')
&& (CorrectedPath[StrLen (CorrectedPath)-1] != L'/'))
{
CorrectedPath = StrnCatGrow (&CorrectedPath, &LongestPath, L"\\", 0);
}
CorrectedPath = StrnCatGrow (&CorrectedPath, &LongestPath, L"*", 0);
Status = ShellOpenFileMetaArg ((CHAR16 *)CorrectedPath, EFI_FILE_MODE_READ, &ListHead);
if (!EFI_ERROR (Status)) {
for ( Node = (EFI_SHELL_FILE_INFO *)GetFirstNode (&ListHead->Link)
; !IsNull (&ListHead->Link, &Node->Link) && ShellStatus == SHELL_SUCCESS
; Node = (EFI_SHELL_FILE_INFO *)GetNextNode (&ListHead->Link, &Node->Link)
)
{
if (ShellGetExecutionBreakFlag ()) {
ShellStatus = SHELL_ABORTED;
break;
}
//
// recurse on any directory except the traversing ones...
//
if ( ((Node->Info->Attribute & EFI_FILE_DIRECTORY) == EFI_FILE_DIRECTORY)
&& (StrCmp (Node->FileName, L".") != 0)
&& (StrCmp (Node->FileName, L"..") != 0)
)
{
ShellStatus = PrintLsOutput (
Rec,
Attribs,
Sfo,
Node->FullName,
SearchString,
&FoundOne,
Count,
TimeZone,
FALSE
);
//
// Since it's running recursively, we have to break immediately when returned SHELL_ABORTED
//
if (ShellStatus == SHELL_ABORTED) {
break;
}
}
}
}
}
SHELL_FREE_NON_NULL (CorrectedPath);
ShellCloseFileMetaArg (&ListHead);
if ((Found == NULL) && !FoundOne) {
if (ListUnfiltered) {
//
// When running "ls" without any filtering request, avoid outputing
// "File not found" when the directory is entirely empty, but print
// header and footer stating "0 File(s), 0 Dir(s)".
//
if (!Sfo) {
PrintNonSfoHeader (RootPath);
if (ShellStatus != SHELL_ABORTED) {
PrintNonSfoFooter (FileCount, FileSize, DirCount);
}
}
} else {
return (SHELL_NOT_FOUND);
}
}
if (Found != NULL) {
*Found = FoundOne;
}
return (ShellStatus);
}
STATIC CONST SHELL_PARAM_ITEM LsParamList[] = {
{ L"-r", TypeFlag },
{ L"-a", TypeStart },
{ L"-sfo", TypeFlag },
{ NULL, TypeMax }
};
/**
Function for 'ls' 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
ShellCommandRunLs (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
CONST CHAR16 *Attribs;
SHELL_STATUS ShellStatus;
UINT64 RequiredAttributes;
CONST CHAR16 *PathName;
CONST CHAR16 *CurDir;
UINTN Count;
CHAR16 *FullPath;
UINTN Size;
EFI_TIME TheTime;
CHAR16 *SearchString;
BOOLEAN ListUnfiltered;
Size = 0;
FullPath = NULL;
ProblemParam = NULL;
Attribs = NULL;
ShellStatus = SHELL_SUCCESS;
RequiredAttributes = 0;
PathName = NULL;
SearchString = NULL;
CurDir = NULL;
Count = 0;
ListUnfiltered = FALSE;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize ();
ASSERT_EFI_ERROR (Status);
//
// Fix local copies of the protocol pointers
//
Status = CommandInit ();
ASSERT_EFI_ERROR (Status);
//
// parse the command line
//
Status = ShellCommandLineParse (LsParamList, &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"ls", ProblemParam);
FreePool (ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT (FALSE);
}
} else {
//
// check for "-?"
//
if (ShellCommandLineGetFlag (Package, L"-?")) {
ASSERT (FALSE);
}
if (ShellCommandLineGetCount (Package) > 2) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"ls");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
//
// check for -a
//
if (ShellCommandLineGetFlag (Package, L"-a")) {
for ( Attribs = ShellCommandLineGetValue (Package, L"-a")
; Attribs != NULL && *Attribs != CHAR_NULL && ShellStatus == SHELL_SUCCESS
; Attribs++
)
{
switch (*Attribs) {
case L'a':
case L'A':
RequiredAttributes |= EFI_FILE_ARCHIVE;
Count++;
continue;
case L's':
case L'S':
RequiredAttributes |= EFI_FILE_SYSTEM;
Count++;
continue;
case L'h':
case L'H':
RequiredAttributes |= EFI_FILE_HIDDEN;
Count++;
continue;
case L'r':
case L'R':
RequiredAttributes |= EFI_FILE_READ_ONLY;
Count++;
continue;
case L'd':
case L'D':
RequiredAttributes |= EFI_FILE_DIRECTORY;
Count++;
continue;
default:
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ATTRIBUTE), gShellLevel2HiiHandle, L"ls", ShellCommandLineGetValue (Package, L"-a"));
ShellStatus = SHELL_INVALID_PARAMETER;
break;
} // switch
} // for loop
//
// if nothing is specified all are specified
//
if (RequiredAttributes == 0) {
RequiredAttributes = EFI_FILE_VALID_ATTR;
}
} // if -a present
if (ShellStatus == SHELL_SUCCESS) {
PathName = ShellCommandLineGetRawValue (Package, 1);
if (PathName == NULL) {
//
// Nothing specified... must start from current directory
//
CurDir = gEfiShellProtocol->GetCurDir (NULL);
if (CurDir == NULL) {
ShellStatus = SHELL_NOT_FOUND;
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"ls");
}
ListUnfiltered = TRUE;
//
// Copy to the 2 strings for starting path and file search string
//
ASSERT (SearchString == NULL);
ASSERT (FullPath == NULL);
StrnCatGrow (&SearchString, NULL, L"*", 0);
StrnCatGrow (&FullPath, NULL, CurDir, 0);
Size = FullPath != NULL ? StrSize (FullPath) : 0;
StrnCatGrow (&FullPath, &Size, L"\\", 0);
} else {
if ((StrStr (PathName, L":") == NULL) && (gEfiShellProtocol->GetCurDir (NULL) == NULL)) {
//
// If we got something and it doesnt have a fully qualified path, then we needed to have a CWD.
//
ShellStatus = SHELL_NOT_FOUND;
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"ls");
} else {
//
// We got a valid fully qualified path or we have a CWD
//
ASSERT ((FullPath == NULL && Size == 0) || (FullPath != NULL));
if (StrStr (PathName, L":") == NULL) {
StrnCatGrow (&FullPath, &Size, gEfiShellProtocol->GetCurDir (NULL), 0);
if (FullPath == NULL) {
ShellCommandLineFreeVarList (Package);
return SHELL_OUT_OF_RESOURCES;
}
Size = FullPath != NULL ? StrSize (FullPath) : 0;
StrnCatGrow (&FullPath, &Size, L"\\", 0);
}
StrnCatGrow (&FullPath, &Size, PathName, 0);
if (FullPath == NULL) {
ShellCommandLineFreeVarList (Package);
return SHELL_OUT_OF_RESOURCES;
}
if (ShellIsDirectory (PathName) == EFI_SUCCESS) {
//
// is listing ends with a directory, then we list all files in that directory
//
ListUnfiltered = TRUE;
StrnCatGrow (&SearchString, NULL, L"*", 0);
} else {
//
// must split off the search part that applies to files from the end of the directory part
//
StrnCatGrow (&SearchString, NULL, FullPath, 0);
if (SearchString == NULL) {
FreePool (FullPath);
ShellCommandLineFreeVarList (Package);
return SHELL_OUT_OF_RESOURCES;
}
PathRemoveLastItem (FullPath);
CopyMem (SearchString, SearchString + StrLen (FullPath), StrSize (SearchString + StrLen (FullPath)));
}
}
}
Status = gRT->GetTime (&TheTime, NULL);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_UEFI_FUNC_WARN), gShellLevel2HiiHandle, L"ls", L"gRT->GetTime", Status);
TheTime.TimeZone = EFI_UNSPECIFIED_TIMEZONE;
}
if (ShellStatus == SHELL_SUCCESS) {
ShellStatus = PrintLsOutput (
ShellCommandLineGetFlag (Package, L"-r"),
RequiredAttributes,
ShellCommandLineGetFlag (Package, L"-sfo"),
FullPath,
SearchString,
NULL,
Count,
TheTime.TimeZone,
ListUnfiltered
);
if (ShellStatus == SHELL_NOT_FOUND) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_LS_FILE_NOT_FOUND), gShellLevel2HiiHandle, L"ls", FullPath);
} else if (ShellStatus == SHELL_INVALID_PARAMETER) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel2HiiHandle, L"ls", FullPath);
} else if (ShellStatus == SHELL_ABORTED) {
//
// Ignore aborting.
//
} else if (ShellStatus != SHELL_SUCCESS) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel2HiiHandle, L"ls", FullPath);
}
}
}
}
}
//
// Free memory allocated
//
SHELL_FREE_NON_NULL (SearchString);
SHELL_FREE_NON_NULL (FullPath);
ShellCommandLineFreeVarList (Package);
return (ShellStatus);
}