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7cd574cac5
The LUKS_Info module cache is loaded from "dmsetup" command and compares
block special files, therefore switch to using BlockSpecial objects so
that comparisons are performed by major, minor device number.
Bug 767842 - File system usage missing when tools report alternate block
device names
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
/* Copyright (C) 2015 Mike Fleetwood
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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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/* LUKS_Info
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*
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* Cache of active Linux kernel Device-mapper encryption mappings.
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* (Named LUKS because only encryption using the LUKS on disk format is
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* recognised and handled).
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*/
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#ifndef GPARTED_LUKS_INFO_H
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#define GPARTED_LUKS_INFO_H
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#include "../include/BlockSpecial.h"
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#include "../include/Utils.h"
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#include <glibmm/ustring.h>
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#include <vector>
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namespace GParted
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{
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struct LUKS_Mapping
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{
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Glib::ustring name; // Name of the dm-crypt mapping
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BlockSpecial container; // Underlying block device containing the LUKS mapping
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Byte_Value offset; // Offset to the start of the mapping in the underlying block device
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Byte_Value length; // Length of the mapping in the underlying block device
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};
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class LUKS_Info
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{
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public:
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static void clear_cache();
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static const LUKS_Mapping & get_cache_entry( const Glib::ustring & path );
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private:
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static void initialise_if_required();
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static void load_cache();
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static const LUKS_Mapping & get_cache_entry_internal( const Glib::ustring & path );
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static std::vector<LUKS_Mapping> luks_mapping_cache;
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static bool cache_initialised;
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};
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}//GParted
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#endif /* GPARTED_LUKS_INFO_H */
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