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521 lines
15 KiB
521 lines
15 KiB
/* This file is part of the TDE libraries
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Copyright (C) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
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(C) 2013 Golubev Alexander <fatzer2@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef _TDESTORAGEDEVICE_H
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#define _TDESTORAGEDEVICE_H
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#include "tdegenericdevice.h"
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struct crypt_device;
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// Keep readDiskDeviceSubtypeFromString() in tdehardwaredevices.cpp in sync with this enum
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namespace TDEDiskDeviceType {
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#if __cplusplus >= 201103L
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enum TDEDiskDeviceType : unsigned long long {
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#else
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enum TDEDiskDeviceType {
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#endif
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Null = 0x0000000000000000ULL,
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MediaDevice = 0x0000000000000001ULL,
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Floppy = 0x0000000000000002ULL,
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CDROM = 0x0000000000000004ULL,
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CDR = 0x0000000000000008ULL,
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CDRW = 0x0000000000000010ULL,
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CDMO = 0x0000000000000020ULL,
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CDMRRW = 0x0000000000000040ULL,
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CDMRRWW = 0x0000000000000080ULL,
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DVDROM = 0x0000000000000100ULL,
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DVDRAM = 0x0000000000000200ULL,
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DVDR = 0x0000000000000400ULL,
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DVDRW = 0x0000000000000800ULL,
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DVDRDL = 0x0000000000001000ULL,
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DVDRWDL = 0x0000000000002000ULL,
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DVDPLUSR = 0x0000000000004000ULL,
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DVDPLUSRW = 0x0000000000008000ULL,
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DVDPLUSRDL = 0x0000000000010000ULL,
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DVDPLUSRWDL = 0x0000000000020000ULL,
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BDROM = 0x0000000000040000ULL,
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BDR = 0x0000000000080000ULL,
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BDRW = 0x0000000000100000ULL,
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HDDVDROM = 0x0000000000200000ULL,
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HDDVDR = 0x0000000000400000ULL,
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HDDVDRW = 0x0000000000800000ULL,
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Zip = 0x0000000001000000ULL,
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Jaz = 0x0000000002000000ULL,
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Camera = 0x0000000004000000ULL,
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LUKS = 0x0000000008000000ULL,
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OtherCrypted = 0x0000000010000000ULL,
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CDAudio = 0x0000000020000000ULL,
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CDVideo = 0x0000000040000000ULL,
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DVDVideo = 0x0000000080000000ULL,
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BDVideo = 0x0000000100000000ULL,
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Flash = 0x0000000200000000ULL,
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USB = 0x0000000400000000ULL,
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Tape = 0x0000000800000000ULL,
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HDD = 0x0000001000000000ULL,
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Optical = 0x0000002000000000ULL,
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RAM = 0x0000004000000000ULL,
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Loop = 0x0000008000000000ULL,
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CompactFlash = 0x0000010000000000ULL,
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MemoryStick = 0x0000020000000000ULL,
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SmartMedia = 0x0000040000000000ULL,
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SDMMC = 0x0000080000000000ULL,
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UnlockedCrypt = 0x0000100000000000ULL,
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Other = 0x8000000000000000ULL
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};
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inline TDEDiskDeviceType operator|(TDEDiskDeviceType a, TDEDiskDeviceType b)
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{
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return static_cast<TDEDiskDeviceType>(static_cast<unsigned long long>(a) | static_cast<unsigned long long>(b));
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}
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inline TDEDiskDeviceType operator&(TDEDiskDeviceType a, TDEDiskDeviceType b)
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{
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return static_cast<TDEDiskDeviceType>(static_cast<unsigned long long>(a) & static_cast<unsigned long long>(b));
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}
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inline TDEDiskDeviceType operator~(TDEDiskDeviceType a)
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{
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return static_cast<TDEDiskDeviceType>(~static_cast<unsigned long long>(a));
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}
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};
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namespace TDEDiskDeviceStatus {
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enum TDEDiskDeviceStatus {
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Null = 0x00000000,
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Mountable = 0x00000001,
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Removable = 0x00000002,
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Inserted = 0x00000004,
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Blank = 0x00000008,
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UsedByDevice = 0x00000010,
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UsesDevice = 0x00000020,
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ContainsFilesystem = 0x00000040,
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Hotpluggable = 0x00000080,
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Hidden = 0x00000100,
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Other = 0x80000000
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};
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inline TDEDiskDeviceStatus operator|(TDEDiskDeviceStatus a, TDEDiskDeviceStatus b)
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{
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return static_cast<TDEDiskDeviceStatus>(static_cast<int>(a) | static_cast<int>(b));
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}
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inline TDEDiskDeviceStatus operator&(TDEDiskDeviceStatus a, TDEDiskDeviceStatus b)
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{
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return static_cast<TDEDiskDeviceStatus>(static_cast<int>(a) & static_cast<int>(b));
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}
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inline TDEDiskDeviceStatus operator~(TDEDiskDeviceStatus a)
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{
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return static_cast<TDEDiskDeviceStatus>(~static_cast<int>(a));
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}
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};
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namespace TDELUKSKeySlotStatus {
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enum TDELUKSKeySlotStatus {
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Invalid = 0x00000000,
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Inactive = 0x00000001,
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Active = 0x00000002,
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Last = 0x00000004,
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Other = 0x80000000
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};
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inline TDELUKSKeySlotStatus operator|(TDELUKSKeySlotStatus a, TDELUKSKeySlotStatus b)
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{
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return static_cast<TDELUKSKeySlotStatus>(static_cast<int>(a) | static_cast<int>(b));
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}
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inline TDELUKSKeySlotStatus operator&(TDELUKSKeySlotStatus a, TDELUKSKeySlotStatus b)
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{
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return static_cast<TDELUKSKeySlotStatus>(static_cast<int>(a) & static_cast<int>(b));
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}
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inline TDELUKSKeySlotStatus operator~(TDELUKSKeySlotStatus a)
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{
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return static_cast<TDELUKSKeySlotStatus>(~static_cast<int>(a));
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}
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};
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typedef TQValueList<TDELUKSKeySlotStatus::TDELUKSKeySlotStatus> TDELUKSKeySlotStatusList;
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namespace TDELUKSResult {
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enum TDELUKSResult {
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Invalid = 0x00000000,
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Success = 0x00000001,
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LUKSNotSupported = 0x00000002,
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LUKSNotFound = 0x00000003,
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InvalidKeyslot = 0x00000004,
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KeyslotOpFailed = 0x00000005,
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Other = 0x80000000
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};
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};
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typedef TQMap<TQString,TQString> TDEStorageMountOptions;
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class TDECORE_EXPORT TDEStorageDevice : public TDEGenericDevice
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{
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public:
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/**
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* Constructor.
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* @param Device type
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*/
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TDEStorageDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn=TQString::null);
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/**
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* Destructor.
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*/
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~TDEStorageDevice();
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/**
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* @return a TQString with the disk or partition label, if any
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*/
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TQString diskLabel();
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/**
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* @return a TQString with the disk UUID, if any
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*/
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TQString diskUUID();
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/**
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* @return an OR-ed combination of TDEDiskDeviceType::TDEDiskDeviceType type flags
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*/
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TDEDiskDeviceType::TDEDiskDeviceType diskType();
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/**
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* @return an OR-ed combination of TDEDiskDeviceStatus::TDEDiskDeviceStatus type flags
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*/
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TDEDiskDeviceStatus::TDEDiskDeviceStatus diskStatus();
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/**
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* @return true if media inserted, false if no media available
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*/
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bool mediaInserted();
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/**
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* @return a TQString with the filesystem name, if any
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*/
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TQString fileSystemName();
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/**
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* @return a TQString with the filesystem usage string, if any
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*/
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TQString fileSystemUsage();
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/**
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* @return a TQStringList containing system paths to all devices with a lock on this device, if any
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*/
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TQStringList holdingDevices();
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/**
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* @return a TQStringList containing system paths to all devices locked by this device, if any
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*/
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TQStringList slaveDevices();
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/**
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* Mounts the device if not encrypted
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*
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* @param a TQString containing a requested mount name under /media, if desired
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* @param a TQString containing any mount options for pmount, if desired
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* @param a pointer to a TQString which will be populated with any error messages from pmount, if desired
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* @param a pointer to an integer which will be populated with the return code from pmount, if desired
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*
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* @return a TQString with the mount path, if successful
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*/
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TQString mountDevice(TQString mediaName=TQString::null, TDEStorageMountOptions mountOptions=TDEStorageMountOptions(), TQString* errRet=0, int* retcode=0);
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/**
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* Mounts the encrypted device if the correct passphrase is given
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*
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* @param a TQString containing the passphrase
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* @param a TQString containing a requested mount name under /media, if desired
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* @param a TQString containing any mount options for pmount, if desired
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* @param a pointer to a TQString which will be populated with any error messages from pmount, if desired
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* @param a pointer to an integer which will be populated with the return code from pmount, if desired
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*
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* @return a TQString with the mount path, if successful
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*/
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TQString mountEncryptedDevice(TQString passphrase, TQString mediaName=TQString::null, TDEStorageMountOptions mountOptions=TDEStorageMountOptions(), TQString* errRet=0, int* retcode=0);
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/**
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* Unmounts the device
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*
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* @param a pointer to a TQString which will be populated with any error messages from pmount, if desired
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* @param a pointer to an integer which will be populated with the return code from pmount, if desired
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*
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* @return TRUE if unmount was successful
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*/
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bool unmountDevice(TQString* errRet, int* retcode=0);
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/**
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* @return a TQString with the mount path, if mounted
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*/
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TQString mountPath();
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/**
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* @return an unsigned long with the device size in bytes
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*/
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unsigned long long deviceSize();
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/**
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* @return a TQString with the device size in human readable form
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*/
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TQString deviceFriendlySize();
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/**
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* Get an icon for this device
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* @param size a TDEIcon::StdSizes structure specifying the desired icon size
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* @return a TQPixmap containing the icon for the specified type
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*
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* This method overrides TDEGenericDevice::icon(TDEIcon::StdSizes size)
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*/
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TQPixmap icon(TDEIcon::StdSizes size);
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/**
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* @return a TQString with a friendly name
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*
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* This method overrides TDEGenericDevice::friendlyName()
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*/
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TQString friendlyName();
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/**
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* @return a TQString with a detailed friendly name
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*
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* This method overrides TDEGenericDevice::detailedFriendlyName()
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*/
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TQString detailedFriendlyName();
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/**
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* @return a TQString containing the friendly type name
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*
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* This method overrides TDEGenericDevice::friendlyDeviceType()
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*/
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TQString friendlyDeviceType();
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/**
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* @param an OR-ed combination of TDEDiskDeviceType::TDEDiskDeviceType type flags
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*/
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bool isDiskOfType(TDEDiskDeviceType::TDEDiskDeviceType tf);
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/**
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* @param an OR-ed combination of TDEDiskDeviceStatus::TDEDiskDeviceStatus type flags
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*/
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bool checkDiskStatus(TDEDiskDeviceStatus::TDEDiskDeviceStatus sf);
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/**
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* @param TRUE to engage media lock, FALSE to disable it
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* @return TRUE on success, FALSE on failure
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*
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* This method currently works on CD-ROM drives and similar devices
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*/
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bool lockDriveMedia(bool lock);
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/**
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* @return TRUE on success, FALSE on failure
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*
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* This method currently works on CD-ROM drives and similar devices
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*/
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bool ejectDriveMedia();
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/**
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* @return TRUE on success, FALSE on failure
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*
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* This method currently works on all removable storage devices
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*/
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bool ejectDrive();
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/**
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* @param path Full path to arbitrary file or directory
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* @return TQString with type of file system containing the given file,
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* or TQString::null if file system type unknown
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*/
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static TQString determineFileSystemType(TQString path);
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/**
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* Set the unlock password to use in subsequent LUKS operations
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* @see cryptClearOperationsUnlockPassword
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*
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* @param password LUKS unlock password for any keyslot
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*/
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void cryptSetOperationsUnlockPassword(TQByteArray password);
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/**
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* Erases the unlock password from application memory cache
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* @see cryptSetOperationsUnlockPassword
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*/
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void cryptClearOperationsUnlockPassword();
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/**
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* @return true if unlock password is in the application memory cache
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* @see cryptSetOperationsUnlockPassword
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* @see cryptClearOperationsUnlockPassword
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*/
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bool cryptOperationsUnlockPasswordSet();
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/**
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* Checks the preloaded unlock password against the specified keyslot
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*
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* @param keyslot Keyslot number
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* @return TDELUKSResult::TDELUKSResult containing the status code returned
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* from the operation, or TDELUKSResult::LUKSNotSupported if LUKS support unavailable
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* @return TDELUKSResult::Success on success
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*
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* @see cryptSetOperationsUnlockPassword
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*/
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TDELUKSResult::TDELUKSResult cryptCheckKey(unsigned int keyslot);
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/**
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* Adds a new key to the specified keyslot, overwriting the existing key if present
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*
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* @param keyslot New keyslot number
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* @param password New keyslot password
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* @return TDELUKSResult::TDELUKSResult containing the status code returned
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* from the operation, or TDELUKSResult::LUKSNotSupported if LUKS support unavailable
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* @return TDELUKSResult::Success on success
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*
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* @see cryptSetOperationsUnlockPassword
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*/
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TDELUKSResult::TDELUKSResult cryptAddKey(unsigned int keyslot, TQByteArray password);
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/**
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* Permanently deletes the associated key from a specific keyslot
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*
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* @param keyslot Keyslot number
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* @return TDELUKSResult::TDELUKSResult containing the status code returned
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* from the operation, or TDELUKSResult::LUKSNotSupported if LUKS support unavailable
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* @return TDELUKSResult::Success on success
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*/
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TDELUKSResult::TDELUKSResult cryptDelKey(unsigned int keyslot);
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/**
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* @return the maximum number of key slots available
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*/
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unsigned int cryptKeySlotCount();
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/**
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* @return TDELUKSKeySlotStatusList with the status of all keyslots
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*/
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TDELUKSKeySlotStatusList cryptKeySlotStatus();
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/**
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* @param status Keyslot status
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* @return a TQString with the friendly name of the given slot status
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*/
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TQString cryptKeySlotFriendlyName(TDELUKSKeySlotStatus::TDELUKSKeySlotStatus status);
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protected:
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/**
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* @param a TQString with the system device node, if any
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* @internal
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*
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* This method is non-portable, so be careful!
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*/
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void internalSetDeviceNode(TQString sn);
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/**
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* @param a TQString with the disk or partition label, if any
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* @internal
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*/
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void internalSetDiskLabel(TQString dn);
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/**
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* @param a TQString with the disk UUID, if any
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* @internal
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*/
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void internalSetDiskUUID(TQString id);
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/**
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* @param an OR-ed combination of TDEDiskDeviceType::TDEDiskDeviceType type flags
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* @internal
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*/
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void internalSetDiskType(TDEDiskDeviceType::TDEDiskDeviceType tf);
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/**
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* @param an OR-ed combination of TDEDiskDeviceStatus::TDEDiskDeviceStatus type flags
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* @internal
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*/
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void internalSetDiskStatus(TDEDiskDeviceStatus::TDEDiskDeviceStatus st);
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/**
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* @param a bool with the media status
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* @internal
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*/
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void internalSetMediaInserted(bool inserted);
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/**
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* @param a TQString with the filesystem name, if any
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* @internal
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*/
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void internalSetFileSystemName(TQString fn);
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/**
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* @param a TQString with the filesystem usage string, if any
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* @internal
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*/
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void internalSetFileSystemUsage(TQString fu);
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/**
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* @param a TQStringList containing system paths to all devices with a lock on this device, if any
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* @internal
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*/
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void internalSetHoldingDevices(TQStringList hd);
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/**
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* @param a TQStringList containing system paths to all devices locked by this device, if any
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* @internal
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*/
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void internalSetSlaveDevices(TQStringList sd);
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/**
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* @internal
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*/
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void internalInitializeLUKSIfNeeded();
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/**
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* @internal
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*/
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void internalGetLUKSKeySlotStatus();
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private:
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/**
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* @internal
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*/
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static int cryptsetup_password_entry_callback(const char*, char *, size_t, void *);
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private:
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TDEDiskDeviceType::TDEDiskDeviceType m_diskType;
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TDEDiskDeviceStatus::TDEDiskDeviceStatus m_diskStatus;
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TQString m_diskName;
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TQString m_diskUUID;
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TQString m_fileSystemName;
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TQString m_fileSystemUsage;
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bool m_mediaInserted;
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TQString m_mountPath;
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TQStringList m_holdingDevices;
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TQStringList m_slaveDevices;
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struct crypt_device* m_cryptDevice;
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TQByteArray m_cryptDevicePassword;
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TQString m_cryptDeviceType;
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unsigned int m_cryptKeySlotCount;
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TDELUKSKeySlotStatusList m_cryptKeyslotStatus;
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friend class TDEHardwareDevices;
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};
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#endif // _TDESTORAGEDEVICE_H
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