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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Helper functions for creating file-system hierarchies and cleaning up.
#ifndef QT_TESTS_SHARED_FILESYSTEM_H_INCLUDED
#define QT_TESTS_SHARED_FILESYSTEM_H_INCLUDED
#include <QString>
#include <QStringList>
#include <QDir>
#include <QFile>
#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
#include <windows.h>
#include <winioctl.h>
#ifndef IO_REPARSE_TAG_MOUNT_POINT
#define IO_REPARSE_TAG_MOUNT_POINT (0xA0000003L)
#endif
#define REPARSE_MOUNTPOINT_HEADER_SIZE 8
#ifndef FSCTL_SET_REPARSE_POINT
#define FSCTL_SET_REPARSE_POINT CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 41, METHOD_BUFFERED, FILE_SPECIAL_ACCESS)
#endif
#endif
struct FileSystem
{
~FileSystem()
{
Q_FOREACH(QString fileName, createdFiles)
QFile::remove(fileName);
Q_FOREACH(QString dirName, createdDirectories)
currentDir.rmdir(dirName);
}
bool createDirectory(const QString &dirName)
{
if (currentDir.mkdir(dirName)) {
createdDirectories.prepend(dirName);
return true;
}
return false;
}
bool createFile(const QString &fileName)
{
QFile file(fileName);
if (file.open(QIODevice::WriteOnly)) {
createdFiles << fileName;
return true;
}
return false;
}
qint64 createFileWithContent(const QString &fileName)
{
QFile file(fileName);
if (file.open(QIODevice::WriteOnly)) {
createdFiles << fileName;
return file.write(fileName.toUtf8());
}
return -1;
}
bool createLink(const QString &destination, const QString &linkName)
{
if (QFile::link(destination, linkName)) {
createdFiles << linkName;
return true;
}
return false;
}
#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
static void createNtfsJunction(QString target, QString linkName)
{
typedef struct {
DWORD ReparseTag;
DWORD ReparseDataLength;
WORD Reserved;
WORD ReparseTargetLength;
WORD ReparseTargetMaximumLength;
WORD Reserved1;
WCHAR ReparseTarget[1];
} REPARSE_MOUNTPOINT_DATA_BUFFER, *PREPARSE_MOUNTPOINT_DATA_BUFFER;
char reparseBuffer[MAX_PATH*3];
HANDLE hFile;
DWORD returnedLength;
wchar_t fileSystem[MAX_PATH] = L"";
PREPARSE_MOUNTPOINT_DATA_BUFFER reparseInfo = (PREPARSE_MOUNTPOINT_DATA_BUFFER) reparseBuffer;
QFileInfo junctionInfo(linkName);
linkName = QDir::toNativeSeparators(junctionInfo.absoluteFilePath());
GetVolumeInformationW( (wchar_t*)linkName.left(3).utf16(), NULL, 0, NULL, NULL, NULL,
fileSystem, sizeof(fileSystem)/sizeof(WCHAR));
if(QString().fromWCharArray(fileSystem) != "NTFS")
QSKIP("This seems not to be an NTFS volume. Junctions are not allowed.",SkipSingle);
if (!target.startsWith("\\??\\") && !target.startsWith("\\\\?\\")) {
QFileInfo targetInfo(target);
target = QDir::toNativeSeparators(targetInfo.absoluteFilePath());
target.prepend("\\??\\");
if(target.endsWith('\\') && target.at(target.length()-2) != ':')
target.chop(1);
}
QDir().mkdir(linkName);
hFile = CreateFileW( (wchar_t*)linkName.utf16(), GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, NULL );
QVERIFY(hFile != INVALID_HANDLE_VALUE );
memset( reparseInfo, 0, sizeof( *reparseInfo ));
reparseInfo->ReparseTag = IO_REPARSE_TAG_MOUNT_POINT;
reparseInfo->ReparseTargetLength = target.size() * sizeof(wchar_t);
reparseInfo->ReparseTargetMaximumLength = reparseInfo->ReparseTargetLength + sizeof(wchar_t);
target.toWCharArray(reparseInfo->ReparseTarget);
reparseInfo->ReparseDataLength = reparseInfo->ReparseTargetLength + 12;
bool ioc = DeviceIoControl(hFile, FSCTL_SET_REPARSE_POINT, reparseInfo,
reparseInfo->ReparseDataLength + REPARSE_MOUNTPOINT_HEADER_SIZE,
NULL, 0, &returnedLength, NULL);
CloseHandle( hFile );
QVERIFY(ioc);
}
#endif
private:
QDir currentDir;
QStringList createdDirectories;
QStringList createdFiles;
};
#endif // include guard
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