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Diffstat (limited to 'src/corelib/io/qfilesystemengine_win.cpp')
| -rw-r--r-- | src/corelib/io/qfilesystemengine_win.cpp | 1218 |
1 files changed, 1218 insertions, 0 deletions
diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp new file mode 100644 index 0000000000..82c6ebad05 --- /dev/null +++ b/src/corelib/io/qfilesystemengine_win.cpp @@ -0,0 +1,1218 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qfilesystemengine_p.h" + +#define _POSIX_ +#include "qplatformdefs.h" +#include "qabstractfileengine.h" +#include "private/qfsfileengine_p.h" +#include <private/qsystemlibrary_p.h> +#include <qdebug.h> + +#include "qfile.h" +#include "qdir.h" +#include "private/qmutexpool_p.h" +#include "qvarlengtharray.h" +#include "qdatetime.h" +#include "qt_windows.h" + +#if !defined(Q_OS_WINCE) +# include <sys/types.h> +# include <direct.h> +# include <winioctl.h> +#else +# include <types.h> +#endif +#include <objbase.h> +#include <shlobj.h> +#include <initguid.h> +#include <accctrl.h> +#include <ctype.h> +#include <limits.h> +#define SECURITY_WIN32 +#include <security.h> + +#ifndef SPI_GETPLATFORMTYPE +#define SPI_GETPLATFORMTYPE 257 +#endif + +#ifndef PATH_MAX +#define PATH_MAX FILENAME_MAX +#endif + +#ifndef _INTPTR_T_DEFINED +#ifdef _WIN64 +typedef __int64 intptr_t; +#else +#ifdef _W64 +typedef _W64 int intptr_t; +#else +typedef INT_PTR intptr_t; +#endif +#endif +#define _INTPTR_T_DEFINED +#endif + +#ifndef INVALID_FILE_ATTRIBUTES +# define INVALID_FILE_ATTRIBUTES (DWORD (-1)) +#endif + +#if !defined(Q_OS_WINCE) +# if !defined(REPARSE_DATA_BUFFER_HEADER_SIZE) +typedef struct _REPARSE_DATA_BUFFER { + ULONG ReparseTag; + USHORT ReparseDataLength; + USHORT Reserved; + union { + struct { + USHORT SubstituteNameOffset; + USHORT SubstituteNameLength; + USHORT PrintNameOffset; + USHORT PrintNameLength; + ULONG Flags; + WCHAR PathBuffer[1]; + } SymbolicLinkReparseBuffer; + struct { + USHORT SubstituteNameOffset; + USHORT SubstituteNameLength; + USHORT PrintNameOffset; + USHORT PrintNameLength; + WCHAR PathBuffer[1]; + } MountPointReparseBuffer; + struct { + UCHAR DataBuffer[1]; + } GenericReparseBuffer; + }; +} REPARSE_DATA_BUFFER, *PREPARSE_DATA_BUFFER; +# define REPARSE_DATA_BUFFER_HEADER_SIZE FIELD_OFFSET(REPARSE_DATA_BUFFER, GenericReparseBuffer) +# endif // !defined(REPARSE_DATA_BUFFER_HEADER_SIZE) + +# ifndef MAXIMUM_REPARSE_DATA_BUFFER_SIZE +# define MAXIMUM_REPARSE_DATA_BUFFER_SIZE 16384 +# endif +# ifndef IO_REPARSE_TAG_SYMLINK +# define IO_REPARSE_TAG_SYMLINK (0xA000000CL) +# endif +# ifndef FSCTL_GET_REPARSE_POINT +# define FSCTL_GET_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 42, METHOD_BUFFERED, FILE_ANY_ACCESS) +# endif +#endif // !defined(Q_OS_WINCE) + +QT_BEGIN_NAMESPACE + +Q_CORE_EXPORT int qt_ntfs_permission_lookup = 0; + +#if defined(Q_OS_WINCE) +static QString qfsPrivateCurrentDir = QLatin1String(""); +// As none of the functions we try to resolve do exist on Windows CE +// we use QT_NO_LIBRARY to shorten everything up a little bit. +#define QT_NO_LIBRARY 1 +#endif + +#if !defined(QT_NO_LIBRARY) +QT_BEGIN_INCLUDE_NAMESPACE +typedef DWORD (WINAPI *PtrGetNamedSecurityInfoW)(LPWSTR, SE_OBJECT_TYPE, SECURITY_INFORMATION, PSID*, PSID*, PACL*, PACL*, PSECURITY_DESCRIPTOR*); +static PtrGetNamedSecurityInfoW ptrGetNamedSecurityInfoW = 0; +typedef BOOL (WINAPI *PtrLookupAccountSidW)(LPCWSTR, PSID, LPWSTR, LPDWORD, LPWSTR, LPDWORD, PSID_NAME_USE); +static PtrLookupAccountSidW ptrLookupAccountSidW = 0; +typedef VOID (WINAPI *PtrBuildTrusteeWithSidW)(PTRUSTEE_W, PSID); +static PtrBuildTrusteeWithSidW ptrBuildTrusteeWithSidW = 0; +typedef DWORD (WINAPI *PtrGetEffectiveRightsFromAclW)(PACL, PTRUSTEE_W, OUT PACCESS_MASK); +static PtrGetEffectiveRightsFromAclW ptrGetEffectiveRightsFromAclW = 0; +static TRUSTEE_W currentUserTrusteeW; +static TRUSTEE_W worldTrusteeW; + +typedef BOOL (WINAPI *PtrGetUserProfileDirectoryW)(HANDLE, LPWSTR, LPDWORD); +static PtrGetUserProfileDirectoryW ptrGetUserProfileDirectoryW = 0; +typedef BOOL (WINAPI *PtrGetVolumePathNamesForVolumeNameW)(LPCWSTR,LPWSTR,DWORD,PDWORD); +static PtrGetVolumePathNamesForVolumeNameW ptrGetVolumePathNamesForVolumeNameW = 0; +QT_END_INCLUDE_NAMESPACE + + +static void resolveLibs() +{ + static bool triedResolve = false; + if (!triedResolve) { + // need to resolve the security info functions + + // protect initialization +#ifndef QT_NO_THREAD + QMutexLocker locker(QMutexPool::globalInstanceGet(&triedResolve)); + // check triedResolve again, since another thread may have already + // done the initialization + if (triedResolve) { + // another thread did initialize the security function pointers, + // so we shouldn't do it again. + return; + } +#endif + + triedResolve = true; +#if !defined(Q_OS_WINCE) + HINSTANCE advapiHnd = QSystemLibrary::load(L"advapi32"); + if (advapiHnd) { + ptrGetNamedSecurityInfoW = (PtrGetNamedSecurityInfoW)GetProcAddress(advapiHnd, "GetNamedSecurityInfoW"); + ptrLookupAccountSidW = (PtrLookupAccountSidW)GetProcAddress(advapiHnd, "LookupAccountSidW"); + ptrBuildTrusteeWithSidW = (PtrBuildTrusteeWithSidW)GetProcAddress(advapiHnd, "BuildTrusteeWithSidW"); + ptrGetEffectiveRightsFromAclW = (PtrGetEffectiveRightsFromAclW)GetProcAddress(advapiHnd, "GetEffectiveRightsFromAclW"); + } + if (ptrBuildTrusteeWithSidW) { + // Create TRUSTEE for current user + HANDLE hnd = ::GetCurrentProcess(); + HANDLE token = 0; + if (::OpenProcessToken(hnd, TOKEN_QUERY, &token)) { + TOKEN_USER tu; + DWORD retsize; + if (::GetTokenInformation(token, TokenUser, &tu, sizeof(tu), &retsize)) + ptrBuildTrusteeWithSidW(¤tUserTrusteeW, tu.User.Sid); + ::CloseHandle(token); + } + + typedef BOOL (WINAPI *PtrAllocateAndInitializeSid)(PSID_IDENTIFIER_AUTHORITY, BYTE, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, PSID*); + PtrAllocateAndInitializeSid ptrAllocateAndInitializeSid = (PtrAllocateAndInitializeSid)GetProcAddress(advapiHnd, "AllocateAndInitializeSid"); + typedef PVOID (WINAPI *PtrFreeSid)(PSID); + PtrFreeSid ptrFreeSid = (PtrFreeSid)GetProcAddress(advapiHnd, "FreeSid"); + if (ptrAllocateAndInitializeSid && ptrFreeSid) { + // Create TRUSTEE for Everyone (World) + SID_IDENTIFIER_AUTHORITY worldAuth = { SECURITY_WORLD_SID_AUTHORITY }; + PSID pWorld = 0; + if (ptrAllocateAndInitializeSid(&worldAuth, 1, SECURITY_WORLD_RID, 0, 0, 0, 0, 0, 0, 0, &pWorld)) + ptrBuildTrusteeWithSidW(&worldTrusteeW, pWorld); + ptrFreeSid(pWorld); + } + } + HINSTANCE userenvHnd = QSystemLibrary::load(L"userenv"); + if (userenvHnd) + ptrGetUserProfileDirectoryW = (PtrGetUserProfileDirectoryW)GetProcAddress(userenvHnd, "GetUserProfileDirectoryW"); + HINSTANCE kernel32 = LoadLibrary(L"kernel32"); + if(kernel32) + ptrGetVolumePathNamesForVolumeNameW = (PtrGetVolumePathNamesForVolumeNameW)GetProcAddress(kernel32, "GetVolumePathNamesForVolumeNameW"); +#endif + } +} +#endif // QT_NO_LIBRARY + +typedef DWORD (WINAPI *PtrNetShareEnum)(LPWSTR, DWORD, LPBYTE*, DWORD, LPDWORD, LPDWORD, LPDWORD); +static PtrNetShareEnum ptrNetShareEnum = 0; +typedef DWORD (WINAPI *PtrNetApiBufferFree)(LPVOID); +static PtrNetApiBufferFree ptrNetApiBufferFree = 0; +typedef struct _SHARE_INFO_1 { + LPWSTR shi1_netname; + DWORD shi1_type; + LPWSTR shi1_remark; +} SHARE_INFO_1; + + +static bool resolveUNCLibs() +{ + static bool triedResolve = false; + if (!triedResolve) { +#ifndef QT_NO_THREAD + QMutexLocker locker(QMutexPool::globalInstanceGet(&triedResolve)); + if (triedResolve) { + return ptrNetShareEnum && ptrNetApiBufferFree; + } +#endif + triedResolve = true; +#if !defined(Q_OS_WINCE) + HINSTANCE hLib = QSystemLibrary::load(L"Netapi32"); + if (hLib) { + ptrNetShareEnum = (PtrNetShareEnum)GetProcAddress(hLib, "NetShareEnum"); + if (ptrNetShareEnum) + ptrNetApiBufferFree = (PtrNetApiBufferFree)GetProcAddress(hLib, "NetApiBufferFree"); + } +#endif + } + return ptrNetShareEnum && ptrNetApiBufferFree; +} + +static QString readSymLink(const QFileSystemEntry &link) +{ + QString result; +#if !defined(Q_OS_WINCE) + HANDLE handle = CreateFile((wchar_t*)link.nativeFilePath().utf16(), + FILE_READ_EA, + FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, + 0, + OPEN_EXISTING, + FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, + 0); + if (handle != INVALID_HANDLE_VALUE) { + DWORD bufsize = MAXIMUM_REPARSE_DATA_BUFFER_SIZE; + REPARSE_DATA_BUFFER *rdb = (REPARSE_DATA_BUFFER*)qMalloc(bufsize); + DWORD retsize = 0; + if (::DeviceIoControl(handle, FSCTL_GET_REPARSE_POINT, 0, 0, rdb, bufsize, &retsize, 0)) { + if (rdb->ReparseTag == IO_REPARSE_TAG_MOUNT_POINT) { + int length = rdb->MountPointReparseBuffer.SubstituteNameLength / sizeof(wchar_t); + int offset = rdb->MountPointReparseBuffer.SubstituteNameOffset / sizeof(wchar_t); + const wchar_t* PathBuffer = &rdb->MountPointReparseBuffer.PathBuffer[offset]; + result = QString::fromWCharArray(PathBuffer, length); + } else if (rdb->ReparseTag == IO_REPARSE_TAG_SYMLINK) { + int length = rdb->SymbolicLinkReparseBuffer.SubstituteNameLength / sizeof(wchar_t); + int offset = rdb->SymbolicLinkReparseBuffer.SubstituteNameOffset / sizeof(wchar_t); + const wchar_t* PathBuffer = &rdb->SymbolicLinkReparseBuffer.PathBuffer[offset]; + result = QString::fromWCharArray(PathBuffer, length); + } + // cut-off "//?/" and "/??/" + if (result.size() > 4 && result.at(0) == QLatin1Char('\\') && result.at(2) == QLatin1Char('?') && result.at(3) == QLatin1Char('\\')) + result = result.mid(4); + } + qFree(rdb); + CloseHandle(handle); + +#if !defined(QT_NO_LIBRARY) + resolveLibs(); + if (ptrGetVolumePathNamesForVolumeNameW) { + QRegExp matchVolName(QLatin1String("^Volume\\{([a-z]|[0-9]|-)+\\}\\\\"), Qt::CaseInsensitive); + if(matchVolName.indexIn(result) == 0) { + DWORD len; + wchar_t buffer[MAX_PATH]; + QString volumeName = result.mid(0, matchVolName.matchedLength()).prepend(QLatin1String("\\\\?\\")); + if(ptrGetVolumePathNamesForVolumeNameW((wchar_t*)volumeName.utf16(), buffer, MAX_PATH, &len) != 0) + result.replace(0,matchVolName.matchedLength(), QString::fromWCharArray(buffer)); + } + } +#endif + } +#else + Q_UNUSED(link); +#endif // Q_OS_WINCE + return result; +} + +static QString readLink(const QFileSystemEntry &link) +{ +#if !defined(Q_OS_WINCE) +#if !defined(QT_NO_LIBRARY) && !defined(Q_CC_MWERKS) + QString ret; + + bool neededCoInit = false; + IShellLink *psl; // pointer to IShellLink i/f + WIN32_FIND_DATA wfd; + wchar_t szGotPath[MAX_PATH]; + + // Get pointer to the IShellLink interface. + HRESULT hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (LPVOID *)&psl); + + if (hres == CO_E_NOTINITIALIZED) { // COM was not initialized + neededCoInit = true; + CoInitialize(NULL); + hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, + IID_IShellLink, (LPVOID *)&psl); + } + if (SUCCEEDED(hres)) { // Get pointer to the IPersistFile interface. + IPersistFile *ppf; + hres = psl->QueryInterface(IID_IPersistFile, (LPVOID *)&ppf); + if (SUCCEEDED(hres)) { + hres = ppf->Load((LPOLESTR)link.nativeFilePath().utf16(), STGM_READ); + //The original path of the link is retrieved. If the file/folder + //was moved, the return value still have the old path. + if (SUCCEEDED(hres)) { + if (psl->GetPath(szGotPath, MAX_PATH, &wfd, SLGP_UNCPRIORITY) == NOERROR) + ret = QString::fromWCharArray(szGotPath); + } + ppf->Release(); + } + psl->Release(); + } + if (neededCoInit) + CoUninitialize(); + + return ret; +#else + Q_UNUSED(link); + return QString(); +#endif // QT_NO_LIBRARY +#else + wchar_t target[MAX_PATH]; + QString result; + if (SHGetShortcutTarget((wchar_t*)QFileInfo(link.filePath()).absoluteFilePath().replace(QLatin1Char('/'),QLatin1Char('\\')).utf16(), target, MAX_PATH)) { + result = QString::fromWCharArray(target); + if (result.startsWith(QLatin1Char('"'))) + result.remove(0,1); + if (result.endsWith(QLatin1Char('"'))) + result.remove(result.size()-1,1); + } + return result; +#endif // Q_OS_WINCE +} + +static bool uncShareExists(const QString &server) +{ + // This code assumes the UNC path is always like \\?\UNC\server... + QStringList parts = server.split(QLatin1Char('\\'), QString::SkipEmptyParts); + if (parts.count() >= 3) { + QStringList shares; + if (QFileSystemEngine::uncListSharesOnServer(QLatin1String("\\\\") + parts.at(2), &shares)) + return parts.count() >= 4 ? shares.contains(parts.at(3), Qt::CaseInsensitive) : true; + } + return false; +} + +static inline bool getFindData(QString path, WIN32_FIND_DATA &findData) +{ + // path should not end with a trailing slash + while (path.endsWith(QLatin1Char('\\'))) + path.chop(1); + + // can't handle drives + if (!path.endsWith(QLatin1Char(':'))) { + HANDLE hFind = ::FindFirstFile((wchar_t*)path.utf16(), &findData); + if (hFind != INVALID_HANDLE_VALUE) { + ::FindClose(hFind); + return true; + } + } + + return false; +} + +bool QFileSystemEngine::uncListSharesOnServer(const QString &server, QStringList *list) +{ + if (resolveUNCLibs()) { + SHARE_INFO_1 *BufPtr, *p; + DWORD res; + DWORD er = 0, tr = 0, resume = 0, i; + do { + res = ptrNetShareEnum((wchar_t*)server.utf16(), 1, (LPBYTE *)&BufPtr, DWORD(-1), &er, &tr, &resume); + if (res == ERROR_SUCCESS || res == ERROR_MORE_DATA) { + p = BufPtr; + for (i = 1; i <= er; ++i) { + if (list && p->shi1_type == 0) + list->append(QString::fromWCharArray(p->shi1_netname)); + p++; + } + } + ptrNetApiBufferFree(BufPtr); + } while (res == ERROR_MORE_DATA); + return res == ERROR_SUCCESS; + } + return false; +} + +void QFileSystemEngine::clearWinStatData(QFileSystemMetaData &data) +{ + data.size_ = 0; + data.fileAttribute_ = 0; + data.creationTime_ = FILETIME(); + data.lastAccessTime_ = FILETIME(); + data.lastWriteTime_ = FILETIME(); +} + +bool QFileSystemEngine::isCaseSensitive() +{ + return false; +} + +//static +QFileSystemEntry QFileSystemEngine::getLinkTarget(const QFileSystemEntry &link, + QFileSystemMetaData &data) +{ + if (data.missingFlags(QFileSystemMetaData::LinkType)) + QFileSystemEngine::fillMetaData(link, data, QFileSystemMetaData::LinkType); + + QString ret; + if (data.isLnkFile()) + ret = readLink(link); + else if (data.isLink()) + ret = readSymLink(link); + return QFileSystemEntry(ret); +} + +//static +QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry, QFileSystemMetaData &data) +{ + if (data.missingFlags(QFileSystemMetaData::ExistsAttribute)) + QFileSystemEngine::fillMetaData(entry, data, QFileSystemMetaData::ExistsAttribute); + + if (data.exists()) + return QFileSystemEntry(slowCanonicalized(absoluteName(entry).filePath())); + else + return QFileSystemEntry(); +} + +//static +QString QFileSystemEngine::nativeAbsoluteFilePath(const QString &path) +{ + // can be //server or //server/share + QString absPath; +#if !defined(Q_OS_WINCE) + QVarLengthArray<wchar_t, MAX_PATH> buf(qMax(MAX_PATH, path.size() + 1)); + wchar_t *fileName = 0; + DWORD retLen = GetFullPathName((wchar_t*)path.utf16(), buf.size(), buf.data(), &fileName); + if (retLen > (DWORD)buf.size()) { + buf.resize(retLen); + retLen = GetFullPathName((wchar_t*)path.utf16(), buf.size(), buf.data(), &fileName); + } + if (retLen != 0) + absPath = QString::fromWCharArray(buf.data(), retLen); +#else + if (path.startsWith(QLatin1Char('/')) || path.startsWith(QLatin1Char('\\'))) + absPath = QDir::toNativeSeparators(path); + else + absPath = QDir::toNativeSeparators(QDir::cleanPath(qfsPrivateCurrentDir + QLatin1Char('/') + path)); +#endif + // This is really ugly, but GetFullPathName strips off whitespace at the end. + // If you for instance write ". " in the lineedit of QFileDialog, + // (which is an invalid filename) this function will strip the space off and viola, + // the file is later reported as existing. Therefore, we re-add the whitespace that + // was at the end of path in order to keep the filename invalid. + if (!path.isEmpty() && path.at(path.size() - 1) == QLatin1Char(' ')) + absPath.append(QLatin1Char(' ')); + return absPath; +} + +//static +QFileSystemEntry QFileSystemEngine::absoluteName(const QFileSystemEntry &entry) +{ + QString ret; + + if (!entry.isRelative()) { +#if !defined(Q_OS_WINCE) + if (entry.isAbsolute() + && !entry.filePath().contains(QLatin1String("/../")) + && !entry.filePath().contains(QLatin1String("/./")) + && !entry.filePath().endsWith(QLatin1String("/..")) + && !entry.filePath().endsWith(QLatin1String("/."))) { + ret = entry.filePath(); + } else { + ret = QDir::fromNativeSeparators(nativeAbsoluteFilePath(entry.filePath())); + } +#else + ret = entry.filePath(); +#endif + } else { + ret = QDir::cleanPath(QDir::currentPath() + QLatin1Char('/') + entry.filePath()); + } + + // The path should be absolute at this point. + // From the docs : + // Absolute paths begin with the directory separator "/" + // (optionally preceded by a drive specification under Windows). + if (ret.at(0) != QLatin1Char('/')) { + Q_ASSERT(ret.length() >= 2); + Q_ASSERT(ret.at(0).isLetter()); + Q_ASSERT(ret.at(1) == QLatin1Char(':')); + + // Force uppercase drive letters. + ret[0] = ret.at(0).toUpper(); + } + return QFileSystemEntry(ret); +} + +//static +QString QFileSystemEngine::owner(const QFileSystemEntry &entry, QAbstractFileEngine::FileOwner own) +{ + QString name; +#if !defined(QT_NO_LIBRARY) + extern int qt_ntfs_permission_lookup; + if((qt_ntfs_permission_lookup > 0) && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)) { + resolveLibs(); + if (ptrGetNamedSecurityInfoW && ptrLookupAccountSidW) { + PSID pOwner = 0; + PSECURITY_DESCRIPTOR pSD; + if (ptrGetNamedSecurityInfoW((wchar_t*)entry.nativeFilePath().utf16(), SE_FILE_OBJECT, + own == QAbstractFileEngine::OwnerGroup ? GROUP_SECURITY_INFORMATION : OWNER_SECURITY_INFORMATION, + own == QAbstractFileEngine::OwnerUser ? &pOwner : 0, own == QAbstractFileEngine::OwnerGroup ? &pOwner : 0, + 0, 0, &pSD) == ERROR_SUCCESS) { + DWORD lowner = 64; + DWORD ldomain = 64; + QVarLengthArray<wchar_t, 64> owner(lowner); + QVarLengthArray<wchar_t, 64> domain(ldomain); + SID_NAME_USE use = SidTypeUnknown; + // First call, to determine size of the strings (with '\0'). + if (!ptrLookupAccountSidW(NULL, pOwner, (LPWSTR)owner.data(), &lowner, + (LPWSTR)domain.data(), &ldomain, (SID_NAME_USE*)&use)) { + if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { + if (lowner > (DWORD)owner.size()) + owner.resize(lowner); + if (ldomain > (DWORD)domain.size()) + domain.resize(ldomain); + // Second call, try on resized buf-s + if (!ptrLookupAccountSidW(NULL, pOwner, (LPWSTR)owner.data(), &lowner, + (LPWSTR)domain.data(), &ldomain, (SID_NAME_USE*)&use)) { + lowner = 0; + } + } else { + lowner = 0; + } + } + if (lowner != 0) + name = QString::fromWCharArray(owner.data()); + LocalFree(pSD); + } + } + } +#else + Q_UNUSED(own); +#endif + return name; +} + +//static +bool QFileSystemEngine::fillPermissions(const QFileSystemEntry &entry, QFileSystemMetaData &data, + QFileSystemMetaData::MetaDataFlags what) +{ + QAbstractFileEngine::FileFlags ret = 0; + +#if !defined(QT_NO_LIBRARY) + if((qt_ntfs_permission_lookup > 0) && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)) { + resolveLibs(); + if(ptrGetNamedSecurityInfoW && ptrBuildTrusteeWithSidW && ptrGetEffectiveRightsFromAclW) { + enum { ReadMask = 0x00000001, WriteMask = 0x00000002, ExecMask = 0x00000020 }; + + QString fname = entry.filePath(); + PSID pOwner = 0; + PSID pGroup = 0; + PACL pDacl; + PSECURITY_DESCRIPTOR pSD; + DWORD res = ptrGetNamedSecurityInfoW((wchar_t*)fname.utf16(), SE_FILE_OBJECT, + OWNER_SECURITY_INFORMATION | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, + &pOwner, &pGroup, &pDacl, 0, &pSD); + if(res == ERROR_SUCCESS) { + ACCESS_MASK access_mask; + TRUSTEE_W trustee; + if (what & QFileSystemMetaData::UserPermissions) { // user + data.knownFlagsMask |= QFileSystemMetaData::UserPermissions; + if(ptrGetEffectiveRightsFromAclW(pDacl, ¤tUserTrusteeW, &access_mask) != ERROR_SUCCESS) + access_mask = (ACCESS_MASK)-1; + if(access_mask & ReadMask) + data.entryFlags |= QFileSystemMetaData::UserReadPermission; + if(access_mask & WriteMask) + data.entryFlags|= QFileSystemMetaData::UserWritePermission; + if(access_mask & ExecMask) + data.entryFlags|= QFileSystemMetaData::UserExecutePermission; + } + if (what & QFileSystemMetaData::OwnerPermissions) { // owner + data.knownFlagsMask |= QFileSystemMetaData::OwnerPermissions; + ptrBuildTrusteeWithSidW(&trustee, pOwner); + if(ptrGetEffectiveRightsFromAclW(pDacl, &trustee, &access_mask) != ERROR_SUCCESS) + access_mask = (ACCESS_MASK)-1; + if(access_mask & ReadMask) + data.entryFlags |= QFileSystemMetaData::OwnerReadPermission; + if(access_mask & WriteMask) + data.entryFlags |= QFileSystemMetaData::OwnerWritePermission; + if(access_mask & ExecMask) + data.entryFlags |= QFileSystemMetaData::OwnerExecutePermission; + } + if (what & QFileSystemMetaData::GroupPermissions) { // group + data.knownFlagsMask |= QFileSystemMetaData::GroupPermissions; + ptrBuildTrusteeWithSidW(&trustee, pGroup); + if(ptrGetEffectiveRightsFromAclW(pDacl, &trustee, &access_mask) != ERROR_SUCCESS) + access_mask = (ACCESS_MASK)-1; + if(access_mask & ReadMask) + data.entryFlags |= QFileSystemMetaData::GroupReadPermission; + if(access_mask & WriteMask) + data.entryFlags |= QFileSystemMetaData::GroupWritePermission; + if(access_mask & ExecMask) + data.entryFlags |= QFileSystemMetaData::GroupExecutePermission; + } + if (what & QFileSystemMetaData::OtherPermissions) { // other (world) + data.knownFlagsMask |= QFileSystemMetaData::OtherPermissions; + if(ptrGetEffectiveRightsFromAclW(pDacl, &worldTrusteeW, &access_mask) != ERROR_SUCCESS) + access_mask = (ACCESS_MASK)-1; // ### + if(access_mask & ReadMask) + data.entryFlags |= QFileSystemMetaData::OtherReadPermission; + if(access_mask & WriteMask) + data.entryFlags |= QFileSystemMetaData::OtherWritePermission; + if(access_mask & ExecMask) + data.entryFlags |= QFileSystemMetaData::OwnerExecutePermission; + } + LocalFree(pSD); + } + } + } else +#endif + { + //### what to do with permissions if we don't use NTFS + // for now just add all permissions and what about exe missions ?? + // also qt_ntfs_permission_lookup is now not set by default ... should it ? + data.entryFlags |= QFileSystemMetaData::OwnerReadPermission + | QFileSystemMetaData::GroupReadPermission + | QFileSystemMetaData::OtherReadPermission; + + if (!(data.fileAttribute_ & FILE_ATTRIBUTE_READONLY)) { + data.entryFlags |= QFileSystemMetaData::OwnerWritePermission + | QFileSystemMetaData::GroupWritePermission + | QFileSystemMetaData::OtherWritePermission; + } + + QString fname = entry.filePath(); + QString ext = fname.right(4).toLower(); + if (data.isDirectory() || + ext == QLatin1String(".exe") || ext == QLatin1String(".com") || ext == QLatin1String(".bat") || + ext == QLatin1String(".pif") || ext == QLatin1String(".cmd")) { + data.entryFlags |= QFileSystemMetaData::OwnerExecutePermission | QFileSystemMetaData::GroupExecutePermission + | QFileSystemMetaData::OtherExecutePermission | QFileSystemMetaData::UserExecutePermission; + } + data.knownFlagsMask |= QFileSystemMetaData::OwnerPermissions | QFileSystemMetaData::GroupPermissions + | QFileSystemMetaData::OtherPermissions | QFileSystemMetaData::UserExecutePermission; + // calculate user permissions + if (what & QFileSystemMetaData::UserReadPermission) { + if (::_waccess((wchar_t*)entry.nativeFilePath().utf16(), R_OK) == 0) + data.entryFlags |= QFileSystemMetaData::UserReadPermission; + data.knownFlagsMask |= QFileSystemMetaData::UserReadPermission; + } + if (what & QFileSystemMetaData::UserWritePermission) { + if (::_waccess((wchar_t*)entry.nativeFilePath().utf16(), W_OK) == 0) + data.entryFlags |= QFileSystemMetaData::UserWritePermission; + data.knownFlagsMask |= QFileSystemMetaData::UserReadPermission; + } + } + + return data.hasFlags(what); +} + +static bool tryDriveUNCFallback(const QFileSystemEntry &fname, QFileSystemMetaData &data) +{ + bool entryExists = false; + DWORD fileAttrib = 0; +#if !defined(Q_OS_WINCE) + if (fname.isDriveRoot()) { + // a valid drive ?? + DWORD drivesBitmask = ::GetLogicalDrives(); + int drivebit = 1 << (fname.filePath().at(0).toUpper().unicode() - QLatin1Char('A').unicode()); + if (drivesBitmask & drivebit) { + fileAttrib = FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM; + entryExists = true; + } + } else { +#endif + const QString &path = fname.nativeFilePath(); + bool is_dir = false; + if (path.startsWith(QLatin1String("\\\\?\\UNC"))) { + // UNC - stat doesn't work for all cases (Windows bug) + int s = path.indexOf(path.at(0),7); + if (s > 0) { + // "\\?\UNC\server\..." + s = path.indexOf(path.at(0),s+1); + if (s > 0) { + // "\\?\UNC\server\share\..." + if (s == path.size() - 1) { + // "\\?\UNC\server\share\" + is_dir = true; + } else { + // "\\?\UNC\server\share\notfound" + } + } else { + // "\\?\UNC\server\share" + is_dir = true; + } + } else { + // "\\?\UNC\server" + is_dir = true; + } + } + if (is_dir && uncShareExists(path)) { + // looks like a UNC dir, is a dir. + fileAttrib = FILE_ATTRIBUTE_DIRECTORY; + entryExists = true; + } +#if !defined(Q_OS_WINCE) + } +#endif + if (entryExists) + data.fillFromFileAttribute(fileAttrib); + return entryExists; +} + +static bool tryFindFallback(const QFileSystemEntry &fname, QFileSystemMetaData &data) +{ + bool filledData = false; + // This assumes the last call to a Windows API failed. + int errorCode = GetLastError(); + if (errorCode == ERROR_ACCESS_DENIED || errorCode == ERROR_SHARING_VIOLATION) { + WIN32_FIND_DATA findData; + if (getFindData(fname.nativeFilePath(), findData) + && findData.dwFileAttributes != INVALID_FILE_ATTRIBUTES) { + data.fillFromFindData(findData, true, fname.isDriveRoot()); + filledData = true; + } + } + return filledData; +} + +#if !defined(Q_OS_WINCE) +//static +bool QFileSystemEngine::fillMetaData(int fd, QFileSystemMetaData &data, + QFileSystemMetaData::MetaDataFlags what) +{ + HANDLE fHandle = (HANDLE)_get_osfhandle(fd); + if (fHandle != INVALID_HANDLE_VALUE) { + return fillMetaData(fHandle, data, what); + } + return false; +} +#endif + +//static +bool QFileSystemEngine::fillMetaData(HANDLE fHandle, QFileSystemMetaData &data, + QFileSystemMetaData::MetaDataFlags what) +{ + data.entryFlags &= ~what; + clearWinStatData(data); + BY_HANDLE_FILE_INFORMATION fileInfo; + UINT oldmode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX); + if (GetFileInformationByHandle(fHandle , &fileInfo)) { + data.fillFromFindInfo(fileInfo); + } + SetErrorMode(oldmode); + return data.hasFlags(what); +} + +//static +bool QFileSystemEngine::fillMetaData(const QFileSystemEntry &entry, QFileSystemMetaData &data, + QFileSystemMetaData::MetaDataFlags what) +{ + what |= QFileSystemMetaData::WinLnkType | QFileSystemMetaData::WinStatFlags; + data.entryFlags &= ~what; + + QFileSystemEntry fname; + data.knownFlagsMask |= QFileSystemMetaData::WinLnkType; + if(entry.filePath().endsWith(QLatin1String(".lnk"))) { + data.entryFlags |= QFileSystemMetaData::WinLnkType; + fname = QFileSystemEntry(readLink(entry)); + } else { + fname = entry; + } + + if (fname.isEmpty()) { + data.knownFlagsMask |= what; + clearWinStatData(data); + return false; + } + + if (what & QFileSystemMetaData::WinStatFlags) { + UINT oldmode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX); + clearWinStatData(data); + WIN32_FIND_DATA findData; + // The memory structure for WIN32_FIND_DATA is same as WIN32_FILE_ATTRIBUTE_DATA + // for all members used by fillFindData(). + bool ok = ::GetFileAttributesEx((wchar_t*)fname.nativeFilePath().utf16(), GetFileExInfoStandard, + reinterpret_cast<WIN32_FILE_ATTRIBUTE_DATA *>(&findData)); + if (ok) { + data.fillFromFindData(findData, false, fname.isDriveRoot()); + } else { + if (!tryFindFallback(fname, data)) + tryDriveUNCFallback(fname, data); + } + SetErrorMode(oldmode); + } + + if (what & QFileSystemMetaData::Permissions) + fillPermissions(fname, data, what); + if ((what & QFileSystemMetaData::LinkType) + && data.missingFlags(QFileSystemMetaData::LinkType)) { + data.knownFlagsMask |= QFileSystemMetaData::LinkType; + if (data.fileAttribute_ & FILE_ATTRIBUTE_REPARSE_POINT) { + WIN32_FIND_DATA findData; + if (getFindData(fname.nativeFilePath(), findData)) + data.fillFromFindData(findData, true); + } + } + data.knownFlagsMask |= what; + return data.hasFlags(what); +} + +static inline bool mkDir(const QString &path) +{ +#if defined(Q_OS_WINCE) + // Unfortunately CreateDirectory returns true for paths longer than + // 256, but does not create a directory. It starts to fail, when + // path length > MAX_PATH, which is 260 usually on CE. + // This only happens on a Windows Mobile device. Windows CE seems + // not to be affected by this. + static int platformId = 0; + if (platformId == 0) { + wchar_t platformString[64]; + if (SystemParametersInfo(SPI_GETPLATFORMTYPE, sizeof(platformString)/sizeof(*platformString),platformString,0)) { + if (0 == wcscmp(platformString, L"PocketPC") || 0 == wcscmp(platformString, L"Smartphone")) + platformId = 1; + else + platformId = 2; + } + } + if (platformId == 1 && QFSFileEnginePrivate::longFileName(path).size() > 256) + return false; +#endif + return ::CreateDirectory((wchar_t*)QFSFileEnginePrivate::longFileName(path).utf16(), 0); +} + +static inline bool rmDir(const QString &path) +{ + return ::RemoveDirectory((wchar_t*)QFSFileEnginePrivate::longFileName(path).utf16()); +} + +static bool isDirPath(const QString &dirPath, bool *existed) +{ + QString path = dirPath; + if (path.length() == 2 && path.at(1) == QLatin1Char(':')) + path += QLatin1Char('\\'); + + DWORD fileAttrib = ::GetFileAttributes((wchar_t*)QFSFileEnginePrivate::longFileName(path).utf16()); + if (fileAttrib == INVALID_FILE_ATTRIBUTES) { + int errorCode = GetLastError(); + if (errorCode == ERROR_ACCESS_DENIED || errorCode == ERROR_SHARING_VIOLATION) { + WIN32_FIND_DATA findData; + if (getFindData(QFSFileEnginePrivate::longFileName(path), findData)) + fileAttrib = findData.dwFileAttributes; + } + } + + if (existed) + *existed = fileAttrib != INVALID_FILE_ATTRIBUTES; + + if (fileAttrib == INVALID_FILE_ATTRIBUTES) + return false; + + return fileAttrib & FILE_ATTRIBUTE_DIRECTORY; +} + +//static +bool QFileSystemEngine::createDirectory(const QFileSystemEntry &entry, bool createParents) +{ + QString dirName = entry.filePath(); + if (createParents) { + dirName = QDir::toNativeSeparators(QDir::cleanPath(dirName)); + // We spefically search for / so \ would break it.. + int oldslash = -1; + if (dirName.startsWith(QLatin1String("\\\\"))) { + // Don't try to create the root path of a UNC path; + // CreateDirectory() will just return ERROR_INVALID_NAME. + for (int i = 0; i < dirName.size(); ++i) { + if (dirName.at(i) != QDir::separator()) { + oldslash = i; + break; + } + } + if (oldslash != -1) + oldslash = dirName.indexOf(QDir::separator(), oldslash); + } + for (int slash=0; slash != -1; oldslash = slash) { + slash = dirName.indexOf(QDir::separator(), oldslash+1); + if (slash == -1) { + if (oldslash == dirName.length()) + break; + slash = dirName.length(); + } + if (slash) { + QString chunk = dirName.left(slash); + bool existed = false; + if (!isDirPath(chunk, &existed)) { + if (!existed) { + if (!mkDir(chunk)) + return false; + } else { + return false; + } + } + } + } + return true; + } + return mkDir(entry.filePath()); +} + +//static +bool QFileSystemEngine::removeDirectory(const QFileSystemEntry &entry, bool removeEmptyParents) +{ + QString dirName = entry.filePath(); + if (removeEmptyParents) { + dirName = QDir::toNativeSeparators(QDir::cleanPath(dirName)); + for (int oldslash = 0, slash=dirName.length(); slash > 0; oldslash = slash) { + QString chunk = dirName.left(slash); + if (chunk.length() == 2 && chunk.at(0).isLetter() && chunk.at(1) == QLatin1Char(':')) + break; + if (!isDirPath(chunk, 0)) + return false; + if (!rmDir(chunk)) + return oldslash != 0; + slash = dirName.lastIndexOf(QDir::separator(), oldslash-1); + } + return true; + } + return rmDir(entry.filePath()); +} + +//static +QString QFileSystemEngine::rootPath() +{ +#if defined(Q_OS_WINCE) + QString ret = QLatin1String("/"); +#elif defined(Q_FS_FAT) + QString ret = QString::fromLatin1(qgetenv("SystemDrive").constData()); + if (ret.isEmpty()) + ret = QLatin1String("c:"); + ret.append(QLatin1Char('/')); +#elif defined(Q_OS_OS2EMX) + char dir[4]; + _abspath(dir, QLatin1String("/"), _MAX_PATH); + QString ret(dir); +#endif + return ret; +} + +//static +QString QFileSystemEngine::homePath() +{ + QString ret; +#if !defined(QT_NO_LIBRARY) + resolveLibs(); + if (ptrGetUserProfileDirectoryW) { + HANDLE hnd = ::GetCurrentProcess(); + HANDLE token = 0; + BOOL ok = ::OpenProcessToken(hnd, TOKEN_QUERY, &token); + if (ok) { + DWORD dwBufferSize = 0; + // First call, to determine size of the strings (with '\0'). + ok = ptrGetUserProfileDirectoryW(token, NULL, &dwBufferSize); + if (!ok && dwBufferSize != 0) { // We got the required buffer size + wchar_t *userDirectory = new wchar_t[dwBufferSize]; + // Second call, now we can fill the allocated buffer. + ok = ptrGetUserProfileDirectoryW(token, userDirectory, &dwBufferSize); + if (ok) + ret = QString::fromWCharArray(userDirectory); + delete [] userDirectory; + } + ::CloseHandle(token); + } + } +#endif + if (ret.isEmpty() || !QFile::exists(ret)) { + ret = QString::fromLocal8Bit(qgetenv("USERPROFILE").constData()); + if (ret.isEmpty() || !QFile::exists(ret)) { + ret = QString::fromLocal8Bit(qgetenv("HOMEDRIVE").constData()) + + QString::fromLocal8Bit(qgetenv("HOMEPATH").constData()); + if (ret.isEmpty() || !QFile::exists(ret)) { + ret = QString::fromLocal8Bit(qgetenv("HOME").constData()); + if (ret.isEmpty() || !QFile::exists(ret)) { +#if defined(Q_OS_WINCE) + ret = QLatin1String("\\My Documents"); + if (!QFile::exists(ret)) +#endif + ret = rootPath(); + } + } + } + } + return QDir::fromNativeSeparators(ret); +} + +QString QFileSystemEngine::tempPath() +{ + QString ret; + wchar_t tempPath[MAX_PATH]; + DWORD len = GetTempPath(MAX_PATH, tempPath); + if (len) + ret = QString::fromWCharArray(tempPath, len); + if (!ret.isEmpty()) { + while (ret.endsWith(QLatin1Char('\\'))) + ret.chop(1); + ret = QDir::fromNativeSeparators(ret); + } + if (ret.isEmpty()) { +#if !defined(Q_OS_WINCE) + ret = QLatin1String("c:/tmp"); +#else + ret = QLatin1String("/Temp"); +#endif + } + return ret; +} + +bool QFileSystemEngine::setCurrentPath(const QFileSystemEntry &entry) +{ + QFileSystemMetaData meta; + fillMetaData(entry, meta, QFileSystemMetaData::ExistsAttribute | QFileSystemMetaData::DirectoryType); + if(!(meta.exists() && meta.isDirectory())) + return false; + +#if !defined(Q_OS_WINCE) + //TODO: this should really be using nativeFilePath(), but that returns a path in long format \\?\c:\foo + //which causes many problems later on when it's returned through currentPath() + return ::SetCurrentDirectory(reinterpret_cast<const wchar_t*>(QDir::toNativeSeparators(entry.filePath()).utf16())) != 0; +#else + qfsPrivateCurrentDir = entry.filePath(); + return true; +#endif +} + +QFileSystemEntry QFileSystemEngine::currentPath() +{ + QString ret; +#if !defined(Q_OS_WINCE) + DWORD size = 0; + wchar_t currentName[PATH_MAX]; + size = ::GetCurrentDirectory(PATH_MAX, currentName); + if (size != 0) { + if (size > PATH_MAX) { + wchar_t *newCurrentName = new wchar_t[size]; + if (::GetCurrentDirectory(PATH_MAX, newCurrentName) != 0) + ret = QString::fromWCharArray(newCurrentName, size); + delete [] newCurrentName; + } else { + ret = QString::fromWCharArray(currentName, size); + } + } + if (ret.length() >= 2 && ret[1] == QLatin1Char(':')) + ret[0] = ret.at(0).toUpper(); // Force uppercase drive letters. +#else + Q_UNUSED(fileName); + //TODO - a race condition exists when using currentPath / setCurrentPath from multiple threads + if (qfsPrivateCurrentDir.isEmpty()) + qfsPrivateCurrentDir = QCoreApplication::applicationDirPath(); + + ret = qfsPrivateCurrentDir; +#endif + return QFileSystemEntry(ret, QFileSystemEntry::FromNativePath()); +} + +//static +bool QFileSystemEngine::createLink(const QFileSystemEntry &source, const QFileSystemEntry &target, QSystemError &error) +{ + Q_ASSERT(false); + Q_UNUSED(source) + Q_UNUSED(target) + Q_UNUSED(error) + + return false; // TODO implement; - code needs to be moved from qfsfileengine_win.cpp +} + +//static +bool QFileSystemEngine::copyFile(const QFileSystemEntry &source, const QFileSystemEntry &target, QSystemError &error) +{ + bool ret = ::CopyFile((wchar_t*)source.nativeFilePath().utf16(), + (wchar_t*)target.nativeFilePath().utf16(), true) != 0; + if(!ret) + error = QSystemError(::GetLastError(), QSystemError::NativeError); + return ret; +} + +//static +bool QFileSystemEngine::renameFile(const QFileSystemEntry &source, const QFileSystemEntry &target, QSystemError &error) +{ + bool ret = ::MoveFile((wchar_t*)source.nativeFilePath().utf16(), + (wchar_t*)target.nativeFilePath().utf16()) != 0; + if(!ret) + error = QSystemError(::GetLastError(), QSystemError::NativeError); + return ret; +} + +//static +bool QFileSystemEngine::removeFile(const QFileSystemEntry &entry, QSystemError &error) +{ + bool ret = ::DeleteFile((wchar_t*)entry.nativeFilePath().utf16()) != 0; + if(!ret) + error = QSystemError(::GetLastError(), QSystemError::NativeError); + return ret; +} + +//static +bool QFileSystemEngine::setPermissions(const QFileSystemEntry &entry, QFile::Permissions permissions, QSystemError &error, + QFileSystemMetaData *data) +{ + Q_UNUSED(data); + int mode = 0; + + if (permissions & QFile::ReadOwner || permissions & QFile::ReadUser + || permissions & QFile::ReadGroup || permissions & QFile::ReadOther) + mode |= _S_IREAD; + if (permissions & QFile::WriteOwner || permissions & QFile::WriteUser + || permissions & QFile::WriteGroup || permissions & QFile::WriteOther) + mode |= _S_IWRITE; + + if (mode == 0) // not supported + return false; + + bool ret = (::_wchmod((wchar_t*)entry.nativeFilePath().utf16(), mode) == 0); + if(!ret) + error = QSystemError(errno, QSystemError::StandardLibraryError); + return ret; +} + +static inline QDateTime fileTimeToQDateTime(const FILETIME *time) +{ + QDateTime ret; + +#if defined(Q_OS_WINCE) + SYSTEMTIME systime; + FILETIME ftime; + systime.wYear = 1970; + systime.wMonth = 1; + systime.wDay = 1; + systime.wHour = 0; + systime.wMinute = 0; + systime.wSecond = 0; + systime.wMilliseconds = 0; + systime.wDayOfWeek = 4; + SystemTimeToFileTime(&systime, &ftime); + unsigned __int64 acttime = (unsigned __int64)time->dwHighDateTime << 32 | time->dwLowDateTime; + FileTimeToSystemTime(time, &systime); + unsigned __int64 time1970 = (unsigned __int64)ftime.dwHighDateTime << 32 | ftime.dwLowDateTime; + unsigned __int64 difftime = acttime - time1970; + difftime /= 10000000; + ret.setTime_t((unsigned int)difftime); +#else + SYSTEMTIME sTime, lTime; + FileTimeToSystemTime(time, &sTime); + SystemTimeToTzSpecificLocalTime(0, &sTime, &lTime); + ret.setDate(QDate(lTime.wYear, lTime.wMonth, lTime.wDay)); + ret.setTime(QTime(lTime.wHour, lTime.wMinute, lTime.wSecond, lTime.wMilliseconds)); +#endif + + return ret; +} + +QDateTime QFileSystemMetaData::creationTime() const +{ + return fileTimeToQDateTime(&creationTime_); +} +QDateTime QFileSystemMetaData::modificationTime() const +{ + return fileTimeToQDateTime(&lastWriteTime_); +} +QDateTime QFileSystemMetaData::accessTime() const +{ + return fileTimeToQDateTime(&lastAccessTime_); +} + +QT_END_NAMESPACE |