213 lines
8.1 KiB
C++
213 lines
8.1 KiB
C++
/*************************************************************************
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* Copyright (C) 2008,2009 by Volker Lanz <vl@fidra.de> *
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* Copyright (C) 2016 by Andrius Štikonas <andrius@stikonas.eu> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>.*
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*************************************************************************/
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#include "fs/ntfs.h"
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#include "util/externalcommand.h"
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#include "util/capacity.h"
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#include "util/report.h"
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#include "util/globallog.h"
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#include <KLocalizedString>
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#include <QRegularExpression>
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#include <QString>
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#include <QStringList>
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#include <QFile>
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#include <QUuid>
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#include <algorithm>
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#include <ctime>
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namespace FS
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{
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FileSystem::CommandSupportType ntfs::m_GetUsed = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_GetLabel = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_Create = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_Grow = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_Shrink = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_Move = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_Check = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_Copy = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_Backup = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_SetLabel = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_UpdateUUID = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ntfs::m_GetUUID = FileSystem::cmdSupportNone;
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ntfs::ntfs(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label) :
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FileSystem(firstsector, lastsector, sectorsused, label, FileSystem::Ntfs)
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{
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}
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void ntfs::init()
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{
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m_Shrink = m_Grow = m_Check = m_GetUsed = findExternal(QStringLiteral("ntfsresize")) ? cmdSupportFileSystem : cmdSupportNone;
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m_GetLabel = cmdSupportCore;
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m_SetLabel = findExternal(QStringLiteral("ntfslabel")) ? cmdSupportFileSystem : cmdSupportNone;
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m_Create = findExternal(QStringLiteral("mkfs.ntfs")) ? cmdSupportFileSystem : cmdSupportNone;
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m_Copy = findExternal(QStringLiteral("ntfsclone")) ? cmdSupportFileSystem : cmdSupportNone;
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m_Backup = cmdSupportCore;
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m_UpdateUUID = cmdSupportCore;
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m_Move = (m_Check != cmdSupportNone) ? cmdSupportCore : cmdSupportNone;
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m_GetUUID = cmdSupportCore;
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}
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bool ntfs::supportToolFound() const
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{
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return
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m_GetUsed != cmdSupportNone &&
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m_GetLabel != cmdSupportNone &&
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m_SetLabel != cmdSupportNone &&
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m_Create != cmdSupportNone &&
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m_Check != cmdSupportNone &&
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m_UpdateUUID != cmdSupportNone &&
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m_Grow != cmdSupportNone &&
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m_Shrink != cmdSupportNone &&
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m_Copy != cmdSupportNone &&
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m_Move != cmdSupportNone &&
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m_Backup != cmdSupportNone &&
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m_GetUUID != cmdSupportNone;
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}
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FileSystem::SupportTool ntfs::supportToolName() const
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{
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return SupportTool(QStringLiteral("ntfs-3g"), QUrl(QStringLiteral("http://www.tuxera.com/community/ntfs-3g-download/")));
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}
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qint64 ntfs::minCapacity() const
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{
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return 2 * Capacity::unitFactor(Capacity::Byte, Capacity::MiB);
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}
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qint64 ntfs::maxCapacity() const
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{
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return 256 * Capacity::unitFactor(Capacity::Byte, Capacity::TiB);
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}
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qint64 ntfs::maxLabelLength() const
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{
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return 128;
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}
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qint64 ntfs::readUsedCapacity(const QString& deviceNode) const
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{
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ExternalCommand cmd(QStringLiteral("ntfsresize"), { QStringLiteral("--info"), QStringLiteral("--force"), QStringLiteral("--no-progress-bar"), deviceNode });
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if (cmd.run(-1) && cmd.exitCode() == 0) {
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qint64 usedBytes = -1;
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QRegularExpression re(QStringLiteral("resize at (\\d+) bytes"));
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QRegularExpressionMatch reUsedBytes = re.match(cmd.output());
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if (reUsedBytes.hasMatch())
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usedBytes = reUsedBytes.captured(1).toLongLong();
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if (usedBytes > -1)
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return usedBytes;
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}
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return -1;
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}
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bool ntfs::writeLabel(Report& report, const QString& deviceNode, const QString& newLabel)
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{
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ExternalCommand writeCmd(report, QStringLiteral("ntfslabel"), { QStringLiteral("--force"), deviceNode, newLabel });
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writeCmd.setProcessChannelMode(QProcess::SeparateChannels);
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if (!writeCmd.run(-1))
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return false;
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return true;
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}
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bool ntfs::check(Report& report, const QString& deviceNode) const
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{
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ExternalCommand cmd(report, QStringLiteral("ntfsresize"), { QStringLiteral("--no-progress-bar"), QStringLiteral("--info"), QStringLiteral("--force"), QStringLiteral("--verbose"), deviceNode });
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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bool ntfs::create(Report& report, const QString& deviceNode) const
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{
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ExternalCommand cmd(report, QStringLiteral("mkfs.ntfs"), { QStringLiteral("--quick"), QStringLiteral("--verbose"), deviceNode });
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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bool ntfs::copy(Report& report, const QString& targetDeviceNode, const QString& sourceDeviceNode) const
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{
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ExternalCommand cmd(report, QStringLiteral("ntfsclone"), { QStringLiteral("--force"), QStringLiteral("--overwrite"), targetDeviceNode, sourceDeviceNode });
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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bool ntfs::resize(Report& report, const QString& deviceNode, qint64 length) const
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{
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QStringList args = { QStringLiteral("--no-progress-bar"), QStringLiteral("--force"), deviceNode, QStringLiteral("--size"), QString::number(length) };
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QStringList dryRunArgs = args;
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dryRunArgs << QStringLiteral("--no-action");
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ExternalCommand cmdDryRun(QStringLiteral("ntfsresize"), dryRunArgs);
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if (cmdDryRun.run(-1) && cmdDryRun.exitCode() == 0) {
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ExternalCommand cmd(report, QStringLiteral("ntfsresize"), args);
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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return false;
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}
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bool ntfs::updateUUID(Report& report, const QString& deviceNode) const
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{
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Q_UNUSED(report);
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ExternalCommand cmd(QStringLiteral("ntfslabel"), { QStringLiteral("--new-serial"), deviceNode });
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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bool ntfs::updateBootSector(Report& report, const QString& deviceNode) const
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{
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report.line() << xi18nc("@info:progress", "Updating boot sector for NTFS file system on partition <filename>%1</filename>.", deviceNode);
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quint32 n = firstSector();
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char* s = reinterpret_cast<char*>(&n);
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#if Q_BYTE_ORDER == Q_BIG_ENDIAN
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std::swap(s[0], s[3]);
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std::swap(s[1], s[2]);
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#endif
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QFile device(deviceNode);
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if (!device.open(QFile::ReadWrite | QFile::Unbuffered)) {
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Log() << xi18nc("@info:progress", "Could not open partition <filename>%1</filename> for writing when trying to update the NTFS boot sector.", deviceNode);
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return false;
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}
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if (!device.seek(0x1c)) {
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Log() << xi18nc("@info:progress", "Could not seek to position 0x1c on partition <filename>%1</filename> when trying to update the NTFS boot sector.", deviceNode);
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return false;
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}
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if (device.write(s, 4) != 4) {
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Log() << xi18nc("@info:progress", "Could not write new start sector to partition <filename>%1</filename> when trying to update the NTFS boot sector.", deviceNode);
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return false;
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}
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Log() << xi18nc("@info:progress", "Updated NTFS boot sector for partition <filename>%1</filename> successfully.", deviceNode);
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return true;
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}
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}
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