Qt 6.x
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qfilesystemengine_win.cpp File Reference
#include "qfilesystemengine_p.h"
#include "qoperatingsystemversion.h"
#include "qplatformdefs.h"
#include "qsysinfo.h"
#include "qscopeguard.h"
#include "private/qabstractfileengine_p.h"
#include "private/qfiledevice_p.h"
#include "private/qfsfileengine_p.h"
#include <private/qsystemlibrary_p.h>
#include <qdebug.h>
#include "qdir.h"
#include "qdatetime.h"
#include "qfile.h"
#include "qvarlengtharray.h"
#include "qt_windows.h"
#include "qstring.h"
#include <sys/types.h>
#include <direct.h>
#include <winioctl.h>
#include <objbase.h>
#include <shlobj.h>
#include <shobjidl.h>
#include <shellapi.h>
#include <lm.h>
#include <accctrl.h>
#include <initguid.h>
#include <ctype.h>
#include <limits.h>
#include <security.h>
#include <QtCore/private/qfunctions_win_p.h>
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Classes

struct  _REPARSE_DATA_BUFFER
 
class  FileOperationProgressSink
 

Macros

#define SECURITY_WIN32
 
#define SPI_GETPLATFORMTYPE   257
 
#define PATH_MAX   FILENAME_MAX
 
#define _INTPTR_T_DEFINED
 
#define INVALID_FILE_ATTRIBUTES   (DWORD (-1))
 
#define REPARSE_DATA_BUFFER_HEADER_SIZE   FIELD_OFFSET(REPARSE_DATA_BUFFER, GenericReparseBuffer)
 
#define MAXIMUM_REPARSE_DATA_BUFFER_SIZE   16384
 
#define IO_REPARSE_TAG_SYMLINK   (0xA000000CL)
 
#define FSCTL_GET_REPARSE_POINT    CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 42, METHOD_BUFFERED, FILE_ANY_ACCESS)
 

Typedefs

typedef INT_PTR intptr_t
 
typedef struct _REPARSE_DATA_BUFFER REPARSE_DATA_BUFFER
 
typedef struct _REPARSE_DATA_BUFFER * PREPARSE_DATA_BUFFER
 

Functions

QT_WARNING_PUSH QT_WARNING_DISABLE_DEPRECATED bool qEnableNtfsPermissionChecks () noexcept
 
bool qDisableNtfsPermissionChecks () noexcept
 
bool qAreNtfsPermissionChecksEnabled () noexcept
 [raii]
 
static bool toFileTime (const QDateTime &date, FILETIME *fileTime)
 
static QString readSymLink (const QFileSystemEntry &link)
 
static QString readLink (const QFileSystemEntry &link)
 
static bool uncShareExists (const QString &server)
 
static bool getFindData (QString path, WIN32_FIND_DATA &findData)
 
static QByteArray fileId (HANDLE handle)
 
QByteArray fileIdWin8 (HANDLE handle)
 
static bool tryDriveUNCFallback (const QFileSystemEntry &fname, QFileSystemMetaData &data)
 
static bool tryFindFallback (const QFileSystemEntry &fname, QFileSystemMetaData &data)
 
static bool mkDir (const QString &path, SECURITY_ATTRIBUTES *securityAttributes, DWORD *lastError=nullptr)
 
static bool rmDir (const QString &path)
 
static bool createDirectoryWithParents (const QString &nativeName, SECURITY_ATTRIBUTES *securityAttributes, bool shouldMkdirFirst=true)
 
static QDateTime fileTimeToQDateTime (const FILETIME *time)
 

Variables

static QBasicAtomicInt qt_ntfs_permission_lookup_v2 = Q_BASIC_ATOMIC_INITIALIZER(0)
 

Macro Definition Documentation

◆ _INTPTR_T_DEFINED

#define _INTPTR_T_DEFINED

Definition at line 60 of file qfilesystemengine_win.cpp.

◆ FSCTL_GET_REPARSE_POINT

#define FSCTL_GET_REPARSE_POINT    CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 42, METHOD_BUFFERED, FILE_ANY_ACCESS)

Definition at line 103 of file qfilesystemengine_win.cpp.

◆ INVALID_FILE_ATTRIBUTES

#define INVALID_FILE_ATTRIBUTES   (DWORD (-1))

Definition at line 64 of file qfilesystemengine_win.cpp.

◆ IO_REPARSE_TAG_SYMLINK

#define IO_REPARSE_TAG_SYMLINK   (0xA000000CL)

Definition at line 100 of file qfilesystemengine_win.cpp.

◆ MAXIMUM_REPARSE_DATA_BUFFER_SIZE

#define MAXIMUM_REPARSE_DATA_BUFFER_SIZE   16384

Definition at line 97 of file qfilesystemengine_win.cpp.

◆ PATH_MAX

#define PATH_MAX   FILENAME_MAX

Definition at line 47 of file qfilesystemengine_win.cpp.

◆ REPARSE_DATA_BUFFER_HEADER_SIZE

#define REPARSE_DATA_BUFFER_HEADER_SIZE   FIELD_OFFSET(REPARSE_DATA_BUFFER, GenericReparseBuffer)

Definition at line 93 of file qfilesystemengine_win.cpp.

◆ SECURITY_WIN32

#define SECURITY_WIN32

Definition at line 37 of file qfilesystemengine_win.cpp.

◆ SPI_GETPLATFORMTYPE

#define SPI_GETPLATFORMTYPE   257

Definition at line 43 of file qfilesystemengine_win.cpp.

Typedef Documentation

◆ intptr_t

typedef INT_PTR intptr_t

Definition at line 57 of file qfilesystemengine_win.cpp.

◆ PREPARSE_DATA_BUFFER

typedef struct _REPARSE_DATA_BUFFER * PREPARSE_DATA_BUFFER

◆ REPARSE_DATA_BUFFER

typedef struct _REPARSE_DATA_BUFFER REPARSE_DATA_BUFFER

Function Documentation

◆ createDirectoryWithParents()

static bool createDirectoryWithParents ( const QString &  nativeName,
SECURITY_ATTRIBUTES *  securityAttributes,
bool  shouldMkdirFirst = true 
)
static

Definition at line 1505 of file qfilesystemengine_win.cpp.

References QString::at(), QString::count(), createDirectoryWithParents(), QString::lastIndexOf(), QString::left(), mkDir(), QDir::separator(), QString::size(), and QString::startsWith().

Referenced by createDirectoryWithParents().

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◆ fileId()

static QByteArray fileId ( HANDLE  handle)
inlinestatic

Definition at line 1024 of file qfilesystemengine_win.cpp.

References info, and qsnprintf().

Referenced by fileIdWin8(), QSSGMesh::MeshInternal::MultiMeshInfo::isValid(), QSSGMesh::MeshInternal::MeshDataHeader::isValid(), QQsbCollection::readEndHeader(), and QFile::rename().

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◆ fileIdWin8()

QByteArray fileIdWin8 ( HANDLE  handle)

Definition at line 1039 of file qfilesystemengine_win.cpp.

References fileId(), QByteArray::number(), and QByteArray::toHex().

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◆ fileTimeToQDateTime()

static QDateTime fileTimeToQDateTime ( const FILETIME *  time)
inlinestatic

Definition at line 1868 of file qfilesystemengine_win.cpp.

References time, and QTimeZone::UTC.

Referenced by QFileSystemMetaData::accessTime(), QFileSystemMetaData::birthTime(), QFileSystemMetaData::metadataChangeTime(), and QFileSystemMetaData::modificationTime().

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◆ getFindData()

static bool getFindData ( QString  path,
WIN32_FIND_DATA &  findData 
)
inlinestatic

Definition at line 765 of file qfilesystemengine_win.cpp.

Referenced by tryFindFallback().

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◆ mkDir()

static bool mkDir ( const QString &  path,
SECURITY_ATTRIBUTES *  securityAttributes,
DWORD *  lastError = nullptr 
)
inlinestatic

Definition at line 1458 of file qfilesystemengine_win.cpp.

References QString::utf16().

Referenced by createDirectoryWithParents().

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◆ qAreNtfsPermissionChecksEnabled()

bool qAreNtfsPermissionChecksEnabled ( )
noexcept

[raii]

Returns true if the check is enabled.

Definition at line 425 of file qfilesystemengine_win.cpp.

References QBasicAtomicInteger< T >::loadRelaxed(), QT_IF_DEPRECATED_SINCE, qt_ntfs_permission_lookup, and qt_ntfs_permission_lookup_v2.

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◆ qDisableNtfsPermissionChecks()

bool qDisableNtfsPermissionChecks ( )
noexcept

Returns true if the check is disabled, i.e. there are no more users.

Definition at line 412 of file qfilesystemengine_win.cpp.

References QBasicAtomicInteger< T >::fetchAndSubRelaxed(), QT_IF_DEPRECATED_SINCE, qt_ntfs_permission_lookup, and qt_ntfs_permission_lookup_v2.

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◆ qEnableNtfsPermissionChecks()

QT_WARNING_PUSH QT_WARNING_DISABLE_DEPRECATED bool qEnableNtfsPermissionChecks ( )
noexcept

Returns true if the check was previously enabled.

Definition at line 399 of file qfilesystemengine_win.cpp.

References QBasicAtomicInteger< T >::fetchAndAddRelaxed(), QT_IF_DEPRECATED_SINCE, qt_ntfs_permission_lookup, and qt_ntfs_permission_lookup_v2.

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◆ readLink()

static QString readLink ( const QFileSystemEntry &  link)
static

Definition at line 714 of file qfilesystemengine_win.cpp.

References QString::fromWCharArray(), MAX_PATH, QFileSystemEntry::nativeFilePath(), Q_UNUSED, and ret.

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◆ readSymLink()

static QString readSymLink ( const QFileSystemEntry &  link)
static

Definition at line 662 of file qfilesystemengine_win.cpp.

References QRegularExpression::CaseInsensitiveOption, QString::fromWCharArray(), FSCTL_GET_REPARSE_POINT, IO_REPARSE_TAG_SYMLINK, QRegularExpression::match(), MAX_PATH, MAXIMUM_REPARSE_DATA_BUFFER_SIZE, _REPARSE_DATA_BUFFER::MountPointReparseBuffer, QFileSystemEntry::nativeFilePath(), _REPARSE_DATA_BUFFER::PathBuffer, Q_ASSERT, Q_CHECK_PTR(), _REPARSE_DATA_BUFFER::ReparseTag, QString::replace(), _REPARSE_DATA_BUFFER::SubstituteNameLength, _REPARSE_DATA_BUFFER::SubstituteNameOffset, _REPARSE_DATA_BUFFER::SymbolicLinkReparseBuffer, and QString::utf16().

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◆ rmDir()

static bool rmDir ( const QString &  path)
inlinestatic

Definition at line 1471 of file qfilesystemengine_win.cpp.

◆ toFileTime()

static bool toFileTime ( const QDateTime &  date,
FILETIME *  fileTime 
)
inlinestatic

Definition at line 625 of file qfilesystemengine_win.cpp.

References d, date, QDateTime::date(), Qt::LocalTime, and QDateTime::time().

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◆ tryDriveUNCFallback()

static bool tryDriveUNCFallback ( const QFileSystemEntry &  fname,
QFileSystemMetaData &  data 
)
static

Definition at line 1300 of file qfilesystemengine_win.cpp.

References QString::at(), QFileSystemEntry::filePath(), QByteArray::indexOf(), QFileSystemEntry::nativeFilePath(), QChar::toUpper(), uncShareExists(), and QChar::unicode().

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◆ tryFindFallback()

static bool tryFindFallback ( const QFileSystemEntry &  fname,
QFileSystemMetaData &  data 
)
static

Definition at line 1352 of file qfilesystemengine_win.cpp.

References getFindData(), INVALID_FILE_ATTRIBUTES, and QFileSystemEntry::nativeFilePath().

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◆ uncShareExists()

static bool uncShareExists ( const QString &  server)
static

Definition at line 752 of file qfilesystemengine_win.cpp.

References Qt::CaseInsensitive, server, and Qt::SkipEmptyParts.

Referenced by tryDriveUNCFallback().

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Variable Documentation

◆ qt_ntfs_permission_lookup_v2

QBasicAtomicInt qt_ntfs_permission_lookup_v2 = Q_BASIC_ATOMIC_INITIALIZER(0)
static

Definition at line 388 of file qfilesystemengine_win.cpp.

Referenced by qAreNtfsPermissionChecksEnabled(), qDisableNtfsPermissionChecks(), and qEnableNtfsPermissionChecks().