calamares/src/modules/partition/core/KPMHelpers.h
2022-05-24 12:58:02 +02:00

127 lines
4.2 KiB
C++

/* === This file is part of Calamares - <https://calamares.io> ===
*
* SPDX-FileCopyrightText: 2014 Aurélien Gâteau <agateau@kde.org>
* SPDX-FileCopyrightText: 2015-2016 Teo Mrnjavac <teo@kde.org>
* SPDX-FileCopyrightText: 2019 Adriaan de Groot <groot@kde.org>
* SPDX-License-Identifier: GPL-3.0-or-later
*
* Calamares is Free Software: see the License-Identifier above.
*
*/
#ifndef KPMHELPERS_H
#define KPMHELPERS_H
#include "Job.h"
#include <kpmcore/core/partitiontable.h>
#include <kpmcore/fs/filesystem.h>
#include <kpmcore/ops/operation.h>
#include <kpmcore/util/report.h>
#include <QList>
#include <functional>
class Device;
class Partition;
class PartitionNode;
class PartitionRole;
#if defined( WITH_KPMCORE4API )
#define KPM_PARTITION_FLAG( x ) PartitionTable::Flag::x
#define KPM_PARTITION_STATE( x ) Partition::State::x
#define KPM_PARTITION_FLAG_ESP PartitionTable::Flag::Boot
#else
#define KPM_PARTITION_FLAG( x ) PartitionTable::Flag##x
#define KPM_PARTITION_STATE( x ) Partition::State##x
#define KPM_PARTITION_FLAG_ESP PartitionTable::FlagEsp
#endif
/**
* Helper functions to manipulate partitions
*/
namespace KPMHelpers
{
/** @brief Return (errors) for savePassphrase()
*
* There's a handful of things that can go wrong when
* saving a passphrase for a given partition; this
* expresses clearly which ones are wrong.
*
* @c NoError is "Ok" when saving the passphrase succeeds.
*/
enum class SavePassphraseValue
{
NoError,
EmptyPassphrase,
NotLuksPartition,
IncorrectPassphrase,
CryptsetupError,
NoMapperNode,
DeviceNotDecrypted
};
/**
* Iterates on all devices and return the first partition which is associated
* with mountPoint. This uses PartitionInfo::mountPoint(), not Partition::mountPoint()
*/
Partition* findPartitionByMountPoint( const QList< Device* >& devices, const QString& mountPoint );
/**
* Helper function to create a new Partition object (does not create anything
* on the disk) associated with a FileSystem.
*/
Partition* createNewPartition( PartitionNode* parent,
const Device& device,
const PartitionRole& role,
FileSystem::Type fsType,
const QString& fsLabel,
qint64 firstSector,
qint64 lastSector,
PartitionTable::Flags flags );
Partition* createNewEncryptedPartition( PartitionNode* parent,
const Device& device,
const PartitionRole& role,
FileSystem::Type fsType,
const QString& fsLabel,
qint64 firstSector,
qint64 lastSector,
const QString& passphrase,
PartitionTable::Flags flags );
Partition* clonePartition( Device* device, Partition* partition );
/** @brief Save an existing passphrase for a previously encrypted partition.
*
* Tries to apply the passphrase to the partition; this checks if the
* @p partition is one that can have a passphrase applied, and
* runs `cryptsetup` to check that the passphrase actually works
* for the partition. Returns `NoError` on success, or an explanatory
* other value if it fails.
*/
SavePassphraseValue savePassphrase( Partition* partition, const QString& passphrase );
/** @brief Return a result for an @p operation
*
* Executes the operation, and if successful, returns a success result.
* Otherwise returns an error using @p failureMessage as the primary part
* of the error, and details obtained from the operation.
*/
Calamares::JobResult execute( Operation& operation, const QString& failureMessage );
/** @brief Return a result for an @p operation
*
* It's acceptable to use an rvalue: the operation-running is the effect
* you're interested in, rather than keeping the temporary around.
*/
static inline Calamares::JobResult
execute( Operation&& operation, const QString& failureMessage )
{
return execute( operation, failureMessage );
}
} // namespace KPMHelpers
#endif /* KPMHELPERS_H */