| 1 | /* |
| 2 | SPDX-FileCopyrightText: 2009 Pino Toscano <pino@kde.org> |
| 3 | SPDX-FileCopyrightText: 2009-2012 Lukáš Tinkl <ltinkl@redhat.com> |
| 4 | |
| 5 | SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL |
| 6 | */ |
| 7 | |
| 8 | #include "udisksstorageaccess.h" |
| 9 | #include "udisks2.h" |
| 10 | #include "udisks_debug.h" |
| 11 | |
| 12 | #include <QDBusConnection> |
| 13 | #include <QDBusInterface> |
| 14 | #include <QDBusMetaType> |
| 15 | #include <QDir> |
| 16 | #include <QGuiApplication> |
| 17 | #include <QWindow> |
| 18 | |
| 19 | #include <config-solid.h> |
| 20 | #if HAVE_LIBMOUNT |
| 21 | #include <libmount.h> |
| 22 | #endif |
| 23 | |
| 24 | struct AvailableAnswer { |
| 25 | bool checkResult; |
| 26 | QString binaryName; |
| 27 | }; |
| 28 | Q_DECLARE_METATYPE(AvailableAnswer) |
| 29 | |
| 30 | QDBusArgument &operator<<(QDBusArgument &argument, const AvailableAnswer &answer) |
| 31 | { |
| 32 | argument.beginStructure(); |
| 33 | argument << answer.checkResult << answer.binaryName; |
| 34 | argument.endStructure(); |
| 35 | return argument; |
| 36 | } |
| 37 | |
| 38 | const QDBusArgument &operator>>(const QDBusArgument &argument, AvailableAnswer &answer) |
| 39 | { |
| 40 | argument.beginStructure(); |
| 41 | argument >> answer.checkResult >> answer.binaryName; |
| 42 | argument.endStructure(); |
| 43 | return argument; |
| 44 | } |
| 45 | |
| 46 | using namespace Solid::Backends::UDisks2; |
| 47 | |
| 48 | StorageAccess::StorageAccess(Device *device) |
| 49 | : DeviceInterface(device) |
| 50 | , m_setupInProgress(false) |
| 51 | , m_teardownInProgress(false) |
| 52 | , m_checkInProgress(false) |
| 53 | , m_repairInProgress(false) |
| 54 | , m_passphraseRequested(false) |
| 55 | { |
| 56 | qDBusRegisterMetaType<AvailableAnswer>(); |
| 57 | |
| 58 | connect(sender: device, SIGNAL(changed()), receiver: this, SLOT(checkAccessibility())); |
| 59 | updateCache(); |
| 60 | |
| 61 | // Delay connecting to DBus signals to avoid the related time penalty |
| 62 | // in hot paths such as predicate matching |
| 63 | QTimer::singleShot(msec: 0, receiver: this, SLOT(connectDBusSignals())); |
| 64 | } |
| 65 | |
| 66 | StorageAccess::~StorageAccess() |
| 67 | { |
| 68 | } |
| 69 | |
| 70 | void StorageAccess::connectDBusSignals() |
| 71 | { |
| 72 | m_device->registerAction(QStringLiteral("setup" ), dest: this, SLOT(slotSetupRequested()), SLOT(slotSetupDone(int, QString))); |
| 73 | |
| 74 | m_device->registerAction(QStringLiteral("teardown" ), dest: this, SLOT(slotTeardownRequested()), SLOT(slotTeardownDone(int, QString))); |
| 75 | |
| 76 | m_device->registerAction(QStringLiteral("check" ), dest: this, SLOT(slotCheckRequested()), SLOT(slotCheckDone(int, QString))); |
| 77 | |
| 78 | m_device->registerAction(QStringLiteral("repair" ), dest: this, SLOT(slotRepairRequested()), SLOT(slotRepairDone(int, QString))); |
| 79 | } |
| 80 | |
| 81 | bool StorageAccess::isLuksDevice() const |
| 82 | { |
| 83 | return m_device->isEncryptedContainer(); // encrypted device |
| 84 | } |
| 85 | |
| 86 | bool StorageAccess::isAccessible() const |
| 87 | { |
| 88 | if (isLuksDevice()) { // check if the cleartext slave is mounted |
| 89 | const QString path = clearTextPath(); |
| 90 | // qDebug() << Q_FUNC_INFO << "CLEARTEXT device path: " << path; |
| 91 | if (path.isEmpty() || path == QLatin1String("/" )) { |
| 92 | return false; |
| 93 | } |
| 94 | Device holderDevice(path); |
| 95 | return holderDevice.isMounted(); |
| 96 | } |
| 97 | |
| 98 | return m_device->isMounted(); |
| 99 | } |
| 100 | |
| 101 | bool StorageAccess::isEncrypted() const |
| 102 | { |
| 103 | // FIXME We should also check if physical device is encrypted |
| 104 | // FIXME Gocryptfs is not supported |
| 105 | return isLuksDevice() || m_device->isEncryptedCleartext(); |
| 106 | } |
| 107 | |
| 108 | bool StorageAccess::canCheck() const |
| 109 | { |
| 110 | const auto idType = m_device->prop(QStringLiteral("IdType" )).toString(); |
| 111 | auto c = QDBusConnection::systemBus(); |
| 112 | auto msg = QDBusMessage::createMethodCall(QStringLiteral(UD2_DBUS_SERVICE), |
| 113 | QStringLiteral(UD2_DBUS_PATH_MANAGER), |
| 114 | QStringLiteral("org.freedesktop.UDisks2.Manager" ), |
| 115 | QStringLiteral("CanCheck" )); |
| 116 | msg << idType; |
| 117 | QDBusReply<AvailableAnswer> r = c.call(message: msg); |
| 118 | if (!r.isValid()) { |
| 119 | qCDebug(UDISKS2) << Q_FUNC_INFO << dbusPath() << idType << "DBus error, code" << r.error().type(); |
| 120 | return false; |
| 121 | } |
| 122 | |
| 123 | const bool ret = r.value().checkResult; |
| 124 | qCDebug(UDISKS2) << Q_FUNC_INFO << dbusPath() << idType << ret << r.value().binaryName; |
| 125 | return ret; |
| 126 | } |
| 127 | |
| 128 | bool StorageAccess::check() |
| 129 | { |
| 130 | if (m_setupInProgress || m_teardownInProgress || m_checkInProgress || m_repairInProgress) { |
| 131 | return false; |
| 132 | } |
| 133 | m_checkInProgress = true; |
| 134 | m_device->broadcastActionRequested(QStringLiteral("check" )); |
| 135 | |
| 136 | const auto path = dbusPath(); |
| 137 | auto c = QDBusConnection::systemBus(); |
| 138 | auto msg = QDBusMessage::createMethodCall(QStringLiteral(UD2_DBUS_SERVICE), path, QStringLiteral(UD2_DBUS_INTERFACE_FILESYSTEM), QStringLiteral("Check" )); |
| 139 | msg << QVariantMap{}; |
| 140 | |
| 141 | return c.callWithCallback(message: msg, receiver: this, SLOT(slotDBusReply(QDBusMessage)), SLOT(slotDBusError(QDBusError))); |
| 142 | } |
| 143 | |
| 144 | bool StorageAccess::canRepair() const |
| 145 | { |
| 146 | const auto idType = m_device->prop(QStringLiteral("IdType" )).toString(); |
| 147 | auto c = QDBusConnection::systemBus(); |
| 148 | auto msg = QDBusMessage::createMethodCall(QStringLiteral(UD2_DBUS_SERVICE), |
| 149 | QStringLiteral(UD2_DBUS_PATH_MANAGER), |
| 150 | QStringLiteral("org.freedesktop.UDisks2.Manager" ), |
| 151 | QStringLiteral("CanRepair" )); |
| 152 | msg << idType; |
| 153 | QDBusReply<AvailableAnswer> r = c.call(message: msg); |
| 154 | if (!r.isValid()) { |
| 155 | qCDebug(UDISKS2) << Q_FUNC_INFO << dbusPath() << idType << "DBus error, code" << r.error().type(); |
| 156 | return false; |
| 157 | } |
| 158 | |
| 159 | const bool ret = r.value().checkResult; |
| 160 | qCDebug(UDISKS2) << Q_FUNC_INFO << dbusPath() << idType << ret << r.value().binaryName; |
| 161 | return ret; |
| 162 | } |
| 163 | |
| 164 | bool StorageAccess::repair() |
| 165 | { |
| 166 | if (m_teardownInProgress || m_setupInProgress || m_checkInProgress || m_repairInProgress) { |
| 167 | return false; |
| 168 | } |
| 169 | m_repairInProgress = true; |
| 170 | m_device->broadcastActionRequested(QStringLiteral("repair" )); |
| 171 | |
| 172 | const auto path = dbusPath(); |
| 173 | auto c = QDBusConnection::systemBus(); |
| 174 | auto msg = QDBusMessage::createMethodCall(QStringLiteral(UD2_DBUS_SERVICE), path, QStringLiteral(UD2_DBUS_INTERFACE_FILESYSTEM), QStringLiteral("Repair" )); |
| 175 | QVariantMap options; |
| 176 | msg << options; |
| 177 | |
| 178 | qCDebug(UDISKS2) << Q_FUNC_INFO << path; |
| 179 | return c.callWithCallback(message: msg, receiver: this, SLOT(slotDBusReply(QDBusMessage)), SLOT(slotDBusError(QDBusError))); |
| 180 | } |
| 181 | |
| 182 | static QString baseMountPoint(const QByteArray &dev) |
| 183 | { |
| 184 | QString mountPoint; |
| 185 | |
| 186 | #if HAVE_LIBMOUNT |
| 187 | // UDisks "MountPoints" property contains multiple paths, this happens with |
| 188 | // devices with bind mounts; try finding the "base" mount point |
| 189 | if (struct libmnt_table *table = mnt_new_table()) { |
| 190 | // This parses "/etc/mtab" if present or "/proc/self/mountinfo" by default |
| 191 | if (mnt_table_parse_mtab(tb: table, filename: "/proc/self/mountinfo" ) == 0) { |
| 192 | // BACKWARD because the fs's we're interested in, /dev/sdXY, are typically at the end |
| 193 | struct libmnt_iter *itr = mnt_new_iter(direction: MNT_ITER_BACKWARD); |
| 194 | struct libmnt_fs *fs; |
| 195 | |
| 196 | const QByteArray devicePath = dev.endsWith(c: '\x00') ? dev.chopped(len: 1) : dev; |
| 197 | |
| 198 | while (mnt_table_next_fs(tb: table, itr, fs: &fs) == 0) { |
| 199 | if (mnt_fs_get_srcpath(fs) == devicePath // |
| 200 | && (qstrcmp(str1: mnt_fs_get_root(fs), str2: "/" ) == 0) // Base mount point will have "/" as root fs |
| 201 | ) { |
| 202 | mountPoint = QFile::decodeName(localFileName: mnt_fs_get_target(fs)); |
| 203 | break; |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | mnt_free_iter(itr); |
| 208 | } |
| 209 | |
| 210 | mnt_free_table(tb: table); |
| 211 | } |
| 212 | #else |
| 213 | Q_UNUSED(dev); |
| 214 | #endif |
| 215 | |
| 216 | return mountPoint; |
| 217 | } |
| 218 | |
| 219 | QString StorageAccess::filePath() const |
| 220 | { |
| 221 | if (isLuksDevice()) { // encrypted (and unlocked) device |
| 222 | const QString path = clearTextPath(); |
| 223 | if (path.isEmpty() || path == QLatin1String("/" )) { |
| 224 | return QString(); |
| 225 | } |
| 226 | Device holderDevice(path); |
| 227 | const auto mntPoints = qdbus_cast<QByteArrayList>(v: holderDevice.prop(QStringLiteral("MountPoints" ))); |
| 228 | if (!mntPoints.isEmpty()) { |
| 229 | QByteArray first = mntPoints.first(); |
| 230 | if (first.endsWith(c: '\x00')) { |
| 231 | first.chop(n: 1); |
| 232 | } |
| 233 | return QFile::decodeName(localFileName: first); // FIXME Solid doesn't support multiple mount points |
| 234 | } else { |
| 235 | return QString(); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | const auto mntPoints = qdbus_cast<QByteArrayList>(v: m_device->prop(QStringLiteral("MountPoints" ))); |
| 240 | if (mntPoints.isEmpty()) { |
| 241 | return {}; |
| 242 | } |
| 243 | |
| 244 | QByteArray first = mntPoints.first(); |
| 245 | if (first.endsWith(c: '\x00')) { |
| 246 | first.chop(n: 1); |
| 247 | } |
| 248 | const QString potentialMountPoint = QFile::decodeName(localFileName: first); |
| 249 | |
| 250 | if (mntPoints.size() == 1) { |
| 251 | return potentialMountPoint; |
| 252 | } |
| 253 | |
| 254 | // Device has bind mounts? |
| 255 | const QString basePoint = baseMountPoint(dev: m_device->prop(QStringLiteral("Device" )).toByteArray()); |
| 256 | |
| 257 | return !basePoint.isEmpty() ? basePoint : potentialMountPoint; |
| 258 | } |
| 259 | |
| 260 | bool StorageAccess::isIgnored() const |
| 261 | { |
| 262 | if (m_device->prop(QStringLiteral("HintIgnore" )).toBool()) { |
| 263 | return true; |
| 264 | } |
| 265 | |
| 266 | const QStringList mountOptions = m_device->prop(QStringLiteral("UserspaceMountOptions" )).toStringList(); |
| 267 | if (mountOptions.contains(str: QLatin1String("x-gdu.hide" ))) { |
| 268 | return true; |
| 269 | } |
| 270 | |
| 271 | const QString path = filePath(); |
| 272 | |
| 273 | const bool inUserPath = (path.startsWith(s: QLatin1String("/media/" )) // |
| 274 | || path.startsWith(s: QLatin1String("/run/media/" )) // |
| 275 | || path.startsWith(s: QDir::homePath())); |
| 276 | return !inUserPath; |
| 277 | } |
| 278 | |
| 279 | bool StorageAccess::setup() |
| 280 | { |
| 281 | if (m_teardownInProgress || m_setupInProgress || m_checkInProgress || m_repairInProgress) { |
| 282 | return false; |
| 283 | } |
| 284 | m_setupInProgress = true; |
| 285 | m_device->broadcastActionRequested(QStringLiteral("setup" )); |
| 286 | |
| 287 | if (m_device->isEncryptedContainer() && clearTextPath().isEmpty()) { |
| 288 | return requestPassphrase(); |
| 289 | } else { |
| 290 | return mount(); |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | bool StorageAccess::teardown() |
| 295 | { |
| 296 | if (m_teardownInProgress || m_setupInProgress || m_checkInProgress || m_repairInProgress) { |
| 297 | return false; |
| 298 | } |
| 299 | m_teardownInProgress = true; |
| 300 | m_device->broadcastActionRequested(QStringLiteral("teardown" )); |
| 301 | |
| 302 | return unmount(); |
| 303 | } |
| 304 | |
| 305 | void StorageAccess::updateCache() |
| 306 | { |
| 307 | m_isAccessible = isAccessible(); |
| 308 | } |
| 309 | |
| 310 | void StorageAccess::checkAccessibility() |
| 311 | { |
| 312 | const bool old_isAccessible = m_isAccessible; |
| 313 | updateCache(); |
| 314 | |
| 315 | if (old_isAccessible != m_isAccessible) { |
| 316 | Q_EMIT accessibilityChanged(accessible: m_isAccessible, udi: m_device->udi()); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | void StorageAccess::slotDBusReply(const QDBusMessage &reply) |
| 321 | { |
| 322 | if (m_setupInProgress) { |
| 323 | if (isLuksDevice() && !isAccessible()) { // unlocked device, now mount it |
| 324 | mount(); |
| 325 | } else { // Don't broadcast setupDone unless the setup is really done. (Fix kde#271156) |
| 326 | m_setupInProgress = false; |
| 327 | m_device->invalidateCache(); |
| 328 | m_device->broadcastActionDone(QStringLiteral("setup" )); |
| 329 | |
| 330 | checkAccessibility(); |
| 331 | } |
| 332 | } else if (m_teardownInProgress) { // FIXME |
| 333 | const QString ctPath = clearTextPath(); |
| 334 | qCDebug(UDISKS2) << "Successfully unmounted " << m_device->udi(); |
| 335 | if (isLuksDevice() && !ctPath.isEmpty() && ctPath != QStringLiteral("/" )) { // unlocked device, lock it |
| 336 | callCryptoTeardown(); |
| 337 | } else if (!ctPath.isEmpty() && ctPath != QStringLiteral("/" )) { |
| 338 | callCryptoTeardown(actOnParent: true); // Lock encrypted parent |
| 339 | } else { |
| 340 | // try to "eject" (aka safely remove) from the (parent) drive, e.g. SD card from a reader |
| 341 | QString drivePath = m_device->drivePath(); |
| 342 | if (!drivePath.isEmpty() || drivePath != QStringLiteral("/" )) { |
| 343 | Device drive(drivePath); |
| 344 | QDBusConnection c = QDBusConnection::systemBus(); |
| 345 | |
| 346 | if (drive.prop(QStringLiteral("MediaRemovable" )).toBool() // |
| 347 | && drive.prop(QStringLiteral("MediaAvailable" )).toBool() // |
| 348 | && !m_device->isOpticalDisc()) { // optical drives have their Eject method |
| 349 | QDBusMessage msg = QDBusMessage::createMethodCall(QStringLiteral(UD2_DBUS_SERVICE), |
| 350 | path: drivePath, |
| 351 | QStringLiteral(UD2_DBUS_INTERFACE_DRIVE), |
| 352 | QStringLiteral("Eject" )); |
| 353 | msg << QVariantMap(); // options, unused now |
| 354 | c.call(message: msg, mode: QDBus::NoBlock); |
| 355 | } else if (drive.prop(QStringLiteral("CanPowerOff" )).toBool() // |
| 356 | && !m_device->isOpticalDisc()) { // avoid disconnecting optical drives from the bus |
| 357 | qCDebug(UDISKS2) << "Drive can power off:" << drivePath; |
| 358 | QDBusMessage msg = QDBusMessage::createMethodCall(QStringLiteral(UD2_DBUS_SERVICE), |
| 359 | path: drivePath, |
| 360 | QStringLiteral(UD2_DBUS_INTERFACE_DRIVE), |
| 361 | QStringLiteral("PowerOff" )); |
| 362 | msg << QVariantMap(); // options, unused now |
| 363 | c.call(message: msg, mode: QDBus::NoBlock); |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | m_teardownInProgress = false; |
| 368 | m_device->invalidateCache(); |
| 369 | m_device->broadcastActionDone(QStringLiteral("teardown" )); |
| 370 | |
| 371 | checkAccessibility(); |
| 372 | } |
| 373 | } else if (m_checkInProgress) { |
| 374 | QDBusReply<bool> r = reply; |
| 375 | qCDebug(UDISKS2) << "Check reply received " << m_device->udi() << r; |
| 376 | m_checkInProgress = false; |
| 377 | if (r.isValid()) { |
| 378 | m_device->broadcastActionDone(QStringLiteral("check" ), error: Solid::NoError, errorString: QString::number(r.value())); |
| 379 | } else { |
| 380 | m_device->broadcastActionDone(QStringLiteral("check" ), error: Solid::OperationFailed, errorString: reply.errorMessage()); |
| 381 | } |
| 382 | } else if (m_repairInProgress) { |
| 383 | qCDebug(UDISKS2) << "Successfully repaired " << m_device->udi(); |
| 384 | m_repairInProgress = false; |
| 385 | m_device->broadcastActionDone(QStringLiteral("repair" )); |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | void StorageAccess::slotDBusError(const QDBusError &error) |
| 390 | { |
| 391 | // qDebug() << Q_FUNC_INFO << "DBUS ERROR:" << error.name() << error.message(); |
| 392 | |
| 393 | if (m_setupInProgress) { |
| 394 | m_setupInProgress = false; |
| 395 | m_device->broadcastActionDone(QStringLiteral("setup" ), // |
| 396 | error: m_device->errorToSolidError(error: error.name()), |
| 397 | errorString: m_device->errorToString(error: error.name()) + QStringLiteral(": " ) + error.message()); |
| 398 | |
| 399 | checkAccessibility(); |
| 400 | } else if (m_teardownInProgress) { |
| 401 | m_teardownInProgress = false; |
| 402 | m_device->broadcastActionDone(QStringLiteral("teardown" ), // |
| 403 | error: m_device->errorToSolidError(error: error.name()), |
| 404 | errorString: m_device->errorToString(error: error.name()) + QStringLiteral(": " ) + error.message()); |
| 405 | checkAccessibility(); |
| 406 | } else if (m_checkInProgress) { |
| 407 | m_checkInProgress = false; |
| 408 | m_device->broadcastActionDone(QStringLiteral("check" ), |
| 409 | error: m_device->errorToSolidError(error: error.name()), |
| 410 | errorString: m_device->errorToString(error: error.name()) + QStringLiteral(": " ) + error.message()); |
| 411 | } else if (m_repairInProgress) { |
| 412 | m_repairInProgress = false; |
| 413 | m_device->broadcastActionDone(QStringLiteral("repair" ), |
| 414 | error: m_device->errorToSolidError(error: error.name()), |
| 415 | errorString: m_device->errorToString(error: error.name()) + QStringLiteral(": " ) + error.message()); |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | void StorageAccess::slotSetupRequested() |
| 420 | { |
| 421 | m_setupInProgress = true; |
| 422 | // qDebug() << "SETUP REQUESTED:" << m_device->udi(); |
| 423 | Q_EMIT setupRequested(m_device->udi()); |
| 424 | } |
| 425 | |
| 426 | void StorageAccess::slotSetupDone(int error, const QString &errorString) |
| 427 | { |
| 428 | m_setupInProgress = false; |
| 429 | // qDebug() << "SETUP DONE:" << m_device->udi(); |
| 430 | checkAccessibility(); |
| 431 | Q_EMIT setupDone(error: static_cast<Solid::ErrorType>(error), errorData: errorString, udi: m_device->udi()); |
| 432 | } |
| 433 | |
| 434 | void StorageAccess::slotTeardownRequested() |
| 435 | { |
| 436 | m_teardownInProgress = true; |
| 437 | Q_EMIT teardownRequested(udi: m_device->udi()); |
| 438 | } |
| 439 | |
| 440 | void StorageAccess::slotTeardownDone(int error, const QString &errorString) |
| 441 | { |
| 442 | m_teardownInProgress = false; |
| 443 | checkAccessibility(); |
| 444 | Q_EMIT teardownDone(error: static_cast<Solid::ErrorType>(error), errorData: errorString, udi: m_device->udi()); |
| 445 | } |
| 446 | |
| 447 | void StorageAccess::slotCheckRequested() |
| 448 | { |
| 449 | m_checkInProgress = true; |
| 450 | Q_EMIT checkRequested(udi: m_device->udi()); |
| 451 | } |
| 452 | |
| 453 | void StorageAccess::slotCheckDone(int error, const QString &errorString) |
| 454 | { |
| 455 | m_checkInProgress = false; |
| 456 | Q_EMIT checkDone(error: static_cast<Solid::ErrorType>(error), errorData: errorString, udi: m_device->udi()); |
| 457 | } |
| 458 | |
| 459 | void StorageAccess::slotRepairRequested() |
| 460 | { |
| 461 | m_repairInProgress = true; |
| 462 | Q_EMIT repairRequested(udi: m_device->udi()); |
| 463 | } |
| 464 | |
| 465 | void StorageAccess::slotRepairDone(int error, const QString &errorString) |
| 466 | { |
| 467 | m_repairInProgress = false; |
| 468 | Q_EMIT repairDone(error: static_cast<Solid::ErrorType>(error), errorData: errorString, udi: m_device->udi()); |
| 469 | } |
| 470 | |
| 471 | bool StorageAccess::mount() |
| 472 | { |
| 473 | const auto path = dbusPath(); |
| 474 | |
| 475 | QDBusConnection c = QDBusConnection::systemBus(); |
| 476 | QDBusMessage msg = |
| 477 | QDBusMessage::createMethodCall(QStringLiteral(UD2_DBUS_SERVICE), path, QStringLiteral(UD2_DBUS_INTERFACE_FILESYSTEM), QStringLiteral("Mount" )); |
| 478 | QVariantMap options; |
| 479 | |
| 480 | if (m_device->prop(QStringLiteral("IdType" )).toString() == QLatin1String("vfat" )) { |
| 481 | options.insert(QStringLiteral("options" ), QStringLiteral("flush" )); |
| 482 | } |
| 483 | |
| 484 | msg << options; |
| 485 | |
| 486 | return c.callWithCallback(message: msg, receiver: this, SLOT(slotDBusReply(QDBusMessage)), SLOT(slotDBusError(QDBusError))); |
| 487 | } |
| 488 | |
| 489 | bool StorageAccess::unmount() |
| 490 | { |
| 491 | const auto path = dbusPath(); |
| 492 | |
| 493 | QDBusConnection c = QDBusConnection::systemBus(); |
| 494 | QDBusMessage msg = |
| 495 | QDBusMessage::createMethodCall(QStringLiteral(UD2_DBUS_SERVICE), path, QStringLiteral(UD2_DBUS_INTERFACE_FILESYSTEM), QStringLiteral("Unmount" )); |
| 496 | |
| 497 | msg << QVariantMap(); // options, unused now |
| 498 | |
| 499 | qCDebug(UDISKS2) << "Initiating unmount of " << path; |
| 500 | return c.callWithCallback(message: msg, receiver: this, SLOT(slotDBusReply(QDBusMessage)), SLOT(slotDBusError(QDBusError)), timeout: s_unmountTimeout); |
| 501 | } |
| 502 | |
| 503 | QString StorageAccess::generateReturnObjectPath() |
| 504 | { |
| 505 | static QAtomicInt number = 1; |
| 506 | |
| 507 | return QStringLiteral("/org/kde/solid/UDisks2StorageAccess_" ) + QString::number(number++); |
| 508 | } |
| 509 | |
| 510 | QString StorageAccess::clearTextPath() const |
| 511 | { |
| 512 | const QString path = m_device->prop(QStringLiteral("CleartextDevice" )).value<QDBusObjectPath>().path(); |
| 513 | if (path != QLatin1String("/" )) { |
| 514 | return path; |
| 515 | } |
| 516 | return QString(); |
| 517 | } |
| 518 | |
| 519 | QString StorageAccess::dbusPath() const |
| 520 | { |
| 521 | QString path = m_device->udi(); |
| 522 | if (isLuksDevice()) { // mount options for the cleartext volume |
| 523 | const QString ctPath = clearTextPath(); |
| 524 | if (!ctPath.isEmpty()) { |
| 525 | path = ctPath; |
| 526 | } |
| 527 | } |
| 528 | return path; |
| 529 | } |
| 530 | |
| 531 | bool StorageAccess::requestPassphrase() |
| 532 | { |
| 533 | QString udi = m_device->udi(); |
| 534 | QString returnService = QDBusConnection::sessionBus().baseService(); |
| 535 | m_lastReturnObject = generateReturnObjectPath(); |
| 536 | |
| 537 | QDBusConnection::sessionBus().registerObject(path: m_lastReturnObject, object: this, options: QDBusConnection::ExportScriptableSlots); |
| 538 | |
| 539 | // TODO: this only works on X11, Wayland doesn't have global window ids. |
| 540 | // Passing ids to other processes doesn't make any sense |
| 541 | auto activeWindow = QGuiApplication::focusWindow(); |
| 542 | uint wId = 0; |
| 543 | if (activeWindow != nullptr) { |
| 544 | wId = (uint)activeWindow->winId(); |
| 545 | } |
| 546 | |
| 547 | QString appId = QCoreApplication::applicationName(); |
| 548 | |
| 549 | const auto plasmaVersionMajor = qEnvironmentVariable(varName: "KDE_SESSION_VERSION" , QStringLiteral("6" )); |
| 550 | |
| 551 | // TODO KF6: remove hard dep on Plasma here which provides the SolidUiServer kded plugin |
| 552 | QDBusInterface soliduiserver(QStringLiteral("org.kde.kded" ) + plasmaVersionMajor, |
| 553 | QStringLiteral("/modules/soliduiserver" ), |
| 554 | QStringLiteral("org.kde.SolidUiServer" )); |
| 555 | QDBusReply<void> reply = soliduiserver.call(QStringLiteral("showPassphraseDialog" ), args&: udi, args&: returnService, args&: m_lastReturnObject, args&: wId, args&: appId); |
| 556 | m_passphraseRequested = reply.isValid(); |
| 557 | if (!m_passphraseRequested) { |
| 558 | qCWarning(UDISKS2) << "Failed to call the SolidUiServer, D-Bus said:" << reply.error(); |
| 559 | } |
| 560 | |
| 561 | return m_passphraseRequested; |
| 562 | } |
| 563 | |
| 564 | void StorageAccess::passphraseReply(const QString &passphrase) |
| 565 | { |
| 566 | if (m_passphraseRequested) { |
| 567 | QDBusConnection::sessionBus().unregisterObject(path: m_lastReturnObject); |
| 568 | m_passphraseRequested = false; |
| 569 | if (!passphrase.isEmpty()) { |
| 570 | callCryptoSetup(passphrase); |
| 571 | } else { |
| 572 | m_setupInProgress = false; |
| 573 | m_device->broadcastActionDone(QStringLiteral("setup" ), error: Solid::UserCanceled); |
| 574 | } |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | void StorageAccess::callCryptoSetup(const QString &passphrase) |
| 579 | { |
| 580 | QDBusConnection c = QDBusConnection::systemBus(); |
| 581 | QDBusMessage msg = QDBusMessage::createMethodCall(QStringLiteral(UD2_DBUS_SERVICE), |
| 582 | path: m_device->udi(), |
| 583 | QStringLiteral(UD2_DBUS_INTERFACE_ENCRYPTED), |
| 584 | QStringLiteral("Unlock" )); |
| 585 | |
| 586 | msg << passphrase; |
| 587 | msg << QVariantMap(); // options, unused now |
| 588 | |
| 589 | c.callWithCallback(message: msg, receiver: this, SLOT(slotDBusReply(QDBusMessage)), SLOT(slotDBusError(QDBusError))); |
| 590 | } |
| 591 | |
| 592 | bool StorageAccess::callCryptoTeardown(bool actOnParent) |
| 593 | { |
| 594 | QDBusConnection c = QDBusConnection::systemBus(); |
| 595 | QDBusMessage msg = |
| 596 | QDBusMessage::createMethodCall(QStringLiteral(UD2_DBUS_SERVICE), |
| 597 | path: actOnParent ? (m_device->prop(QStringLiteral("CryptoBackingDevice" )).value<QDBusObjectPath>().path()) : m_device->udi(), |
| 598 | QStringLiteral(UD2_DBUS_INTERFACE_ENCRYPTED), |
| 599 | QStringLiteral("Lock" )); |
| 600 | msg << QVariantMap(); // options, unused now |
| 601 | |
| 602 | return c.callWithCallback(message: msg, receiver: this, SLOT(slotDBusReply(QDBusMessage)), SLOT(slotDBusError(QDBusError))); |
| 603 | } |
| 604 | |
| 605 | #include "moc_udisksstorageaccess.cpp" |
| 606 | |