/* This file is part of the KDE Project Copyright (c) 2004-2005 Jérôme Lodewyck This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License version 2 as published by the Free Software Foundation. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "halbackend.h" #include "linuxcdpolling.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #define MOUNT_SUFFIX (libhal_volume_is_mounted(halVolume) ? QString("_mounted") : QString("_unmounted")) #define MOUNT_ICON_SUFFIX (libhal_volume_is_mounted(halVolume) ? QString("_mount") : QString("_unmount")) /* Static instance of this class, for static HAL callbacks */ static HALBackend* s_HALBackend; /* A macro function to convert HAL string properties to QString */ QString libhal_device_get_property_QString(LibHalContext *ctx, const char* udi, const char *key) { char* _ppt_string; QString _ppt_QString; DBusError error; dbus_error_init(&error); _ppt_string = libhal_device_get_property_string(ctx, udi, key, &error); if ( _ppt_string ) _ppt_QString = _ppt_string; libhal_free_string(_ppt_string); return _ppt_QString; } /* Constructor */ HALBackend::HALBackend(MediaList &list, QObject* parent) : QObject() , BackendBase(list) , m_halContext(NULL) , m_halStoragePolicy(NULL) , m_parent(parent) { s_HALBackend = this; } /* Destructor */ HALBackend::~HALBackend() { /* Close HAL connection */ if (m_halContext) { const QPtrList medlist = m_mediaList.list(); QPtrListIterator it (medlist); for ( const Medium *current_medium = it.current(); current_medium; current_medium = ++it) { if( !current_medium->id().startsWith( "/org/kde" )) unmount(current_medium->id()); } /* Remove all the registered media first */ int numDevices; char** halDeviceList = libhal_get_all_devices( m_halContext, &numDevices, NULL ); if ( halDeviceList ) { for ( int i = 0; i < numDevices; i++ ) { m_mediaList.removeMedium( halDeviceList[i], false ); } } libhal_free_string_array( halDeviceList ); DBusError error; dbus_error_init(&error); libhal_ctx_shutdown(m_halContext, &error); libhal_ctx_free(m_halContext); } if (m_halStoragePolicy) libhal_storage_policy_free(m_halStoragePolicy); } /* Connect to the HAL */ bool HALBackend::InitHal() { kdDebug(1219) << "Context new" << endl; m_halContext = libhal_ctx_new(); if (!m_halContext) { kdDebug(1219) << "Failed to initialize HAL!" << endl; return false; } // Main loop integration kdDebug(1219) << "Main loop integration" << endl; DBusError error; dbus_error_init(&error); dbus_connection = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error); if (!dbus_connection || dbus_error_is_set(&error)) { dbus_error_free(&error); libhal_ctx_free(m_halContext); m_halContext = NULL; return false; } dbus_connection_set_exit_on_disconnect (dbus_connection, FALSE); MainLoopIntegration(dbus_connection); libhal_ctx_set_dbus_connection(m_halContext, dbus_connection); // HAL callback functions kdDebug(1219) << "Callback functions" << endl; libhal_ctx_set_device_added(m_halContext, HALBackend::hal_device_added); libhal_ctx_set_device_removed(m_halContext, HALBackend::hal_device_removed); libhal_ctx_set_device_new_capability (m_halContext, NULL); libhal_ctx_set_device_lost_capability (m_halContext, NULL); libhal_ctx_set_device_property_modified (m_halContext, HALBackend::hal_device_property_modified); libhal_ctx_set_device_condition(m_halContext, HALBackend::hal_device_condition); kdDebug(1219) << "Context Init" << endl; if (!libhal_ctx_init(m_halContext, &error)) { if (dbus_error_is_set(&error)) dbus_error_free(&error); libhal_ctx_free(m_halContext); m_halContext = NULL; kdDebug(1219) << "Failed to init HAL context!" << endl; return false; } /** @todo customize watch policy */ kdDebug(1219) << "Watch properties" << endl; if (!libhal_device_property_watch_all(m_halContext, &error)) { kdDebug(1219) << "Failed to watch HAL properties!" << endl; return false; } /* libhal-storage initialization */ kdDebug(1219) << "Storage Policy" << endl; m_halStoragePolicy = libhal_storage_policy_new(); /** @todo define libhal-storage icon policy */ /* List devices at startup */ return ListDevices(); } /* List devices (at startup)*/ bool HALBackend::ListDevices() { kdDebug(1219) << "ListDevices" << endl; int numDevices; char** halDeviceList = libhal_get_all_devices(m_halContext, &numDevices, NULL); if (!halDeviceList) return false; kdDebug(1219) << "HALBackend::ListDevices : " << numDevices << " devices found" << endl; for (int i = 0; i < numDevices; i++) AddDevice(halDeviceList[i], false); libhal_free_string_array( halDeviceList ); return true; } /* Create a media instance for the HAL device "udi". This functions checks whether the device is worth listing */ void HALBackend::AddDevice(const char *udi, bool allowNotification) { /* We don't deal with devices that do not expose their capabilities. If we don't check this, we will get a lot of warning messages from libhal */ if (!libhal_device_property_exists(m_halContext, udi, "info.capabilities", NULL)) return; /* If the device is already listed, do not process. This should not happen, but who knows... */ /** @todo : refresh properties instead ? */ if (m_mediaList.findById(udi)) return; if (libhal_device_get_property_bool(m_halContext, "/org/freedesktop/Hal/devices/computer", "storage.disable_volume_handling", NULL)) allowNotification=false; /* Add volume block devices */ if (libhal_device_query_capability(m_halContext, udi, "volume", NULL)) { /* We only list volume that have a filesystem or volume that have an audio track*/ if ( libhal_device_get_property_QString(m_halContext, udi, "volume.fsusage") != "filesystem" && !libhal_device_get_property_bool(m_halContext, udi, "volume.disc.has_audio", NULL) && !libhal_device_get_property_bool(m_halContext, udi, "volume.disc.is_blank", NULL) ) return; /* Query drive udi */ QString driveUdi = libhal_device_get_property_QString(m_halContext, udi, "block.storage_device"); if ( driveUdi.isNull() ) // no storage - no fun return; // if the device is locked do not act upon it if (libhal_device_get_property_bool(m_halContext, driveUdi.ascii(), "info.locked", NULL)) allowNotification=false; // if the device is locked do not act upon it if (libhal_device_get_property_bool(m_halContext, driveUdi.ascii(), "storage.partition_table_changed", NULL)) allowNotification=false; /** @todo check exclusion list **/ /* Create medium */ Medium* medium = new Medium(udi, ""); setVolumeProperties(medium); if ( isInFstab( medium ).isNull() ) { // if it's not mountable by user and not by HAL, don't show it at all if ( ( libhal_device_get_property_QString(m_halContext, udi, "volume.fsusage") == "filesystem" && !libhal_device_get_property_bool(m_halContext, udi, "volume.is_mounted", NULL ) ) && ( libhal_device_get_property_bool(m_halContext, udi, "volume.ignore", NULL ) ) ) { delete medium; return; } } QMap options = MediaManagerUtils::splitOptions(mountoptions(udi)); kdDebug() << "automount " << options["automount"] << endl; if (options["automount"] == "true" && allowNotification ) { QString error = mount(medium); if (!error.isEmpty()) kdDebug() << "error " << error << endl; } m_mediaList.addMedium(medium, allowNotification); return; } /* Floppy & zip drives */ if (libhal_device_query_capability(m_halContext, udi, "storage", NULL)) if ((libhal_device_get_property_QString(m_halContext, udi, "storage.drive_type") == "floppy") || (libhal_device_get_property_QString(m_halContext, udi, "storage.drive_type") == "zip") || (libhal_device_get_property_QString(m_halContext, udi, "storage.drive_type") == "jaz")) { if (! libhal_device_get_property_bool(m_halContext, udi, "storage.removable.media_available", NULL) ) allowNotification = false; /* Create medium */ Medium* medium = new Medium(udi, ""); // if the storage has a volume, we ignore it if ( setFloppyProperties(medium) ) m_mediaList.addMedium(medium, allowNotification); else delete medium; return; } /* Camera handled by gphoto2*/ if (libhal_device_query_capability(m_halContext, udi, "camera", NULL) && ((libhal_device_get_property_QString(m_halContext, udi, "camera.access_method")=="ptp") || (libhal_device_property_exists(m_halContext, udi, "camera.libgphoto2.support", NULL) && libhal_device_get_property_bool(m_halContext, udi, "camera.libgphoto2.support", NULL))) ) { /* Create medium */ Medium* medium = new Medium(udi, ""); setCameraProperties(medium); m_mediaList.addMedium(medium, allowNotification); return; } } void HALBackend::RemoveDevice(const char *udi) { m_mediaList.removeMedium(udi, true); } void HALBackend::ModifyDevice(const char *udi, const char* key) { const char* mediumUdi = findMediumUdiFromUdi(udi); if (!mediumUdi) return; bool allowNotification = false; if (strcmp(key, "storage.removable.media_available") == 0) allowNotification = libhal_device_get_property_bool(m_halContext, udi, key, NULL); ResetProperties(mediumUdi, allowNotification); } void HALBackend::DeviceCondition(const char* udi, const char* condition) { QString conditionName = QString(condition); kdDebug(1219) << "Processing device condition " << conditionName << " for " << udi << endl; if (conditionName == "EjectPressed") { const Medium* medium = m_mediaList.findById(udi); if (!medium) { /* the ejectpressed appears on the drive and we need to find the volume */ const QPtrList medlist = m_mediaList.list(); QPtrListIterator it (medlist); for ( const Medium *current_medium = it.current(); current_medium; current_medium = ++it) { if( current_medium->id().startsWith( "/org/kde" )) continue; QString driveUdi = libhal_device_get_property_QString(m_halContext, current_medium->id().latin1(), "block.storage_device"); if (driveUdi == udi) { medium = current_medium; break; } } } if (medium) { KProcess p; p << "kio_media_mounthelper" << "-e" << medium->name(); p.start(KProcess::DontCare); } } const char* mediumUdi = findMediumUdiFromUdi(udi); kdDebug() << "findMedumUdiFromUdi " << udi << " returned " << mediumUdi << endl; if (!mediumUdi) return; /* TODO: Warn the user that (s)he should unmount devices before unplugging */ if (conditionName == "VolumeUnmountForced") ResetProperties(mediumUdi); /* Reset properties after mounting */ if (conditionName == "VolumeMount") ResetProperties(mediumUdi); /* Reset properties after unmounting */ if (conditionName == "VolumeUnmount") ResetProperties(mediumUdi); } void HALBackend::MainLoopIntegration(DBusConnection *dbusConnection) { m_dBusQtConnection = new DBusQt::Connection(m_parent); m_dBusQtConnection->dbus_connection_setup_with_qt_main(dbusConnection); } /****************************************** ** Properties attribution ** ******************************************/ /* Return the medium udi that should be updated when recieving a call for device udi */ const char* HALBackend::findMediumUdiFromUdi(const char* udi) { /* Easy part : this Udi is already registered as a device */ const Medium* medium = m_mediaList.findById(udi); if (medium) return medium->id().ascii(); /* Hard part : this is a volume whose drive is registered */ if (libhal_device_property_exists(m_halContext, udi, "info.capabilities", NULL)) if (libhal_device_query_capability(m_halContext, udi, "volume", NULL)) { QString driveUdi = libhal_device_get_property_QString(m_halContext, udi, "block.storage_device"); return findMediumUdiFromUdi(driveUdi.ascii()); } return NULL; } void HALBackend::ResetProperties(const char* mediumUdi, bool allowNotification) { kdDebug(1219) << "HALBackend::setProperties" << endl; if ( QString::fromLatin1( mediumUdi ).startsWith( "/org/kde/" ) ) { const Medium *cmedium = m_mediaList.findById(mediumUdi); if ( cmedium ) { Medium m( *cmedium ); if ( setFstabProperties( &m ) ) { kdDebug() << "setFstabProperties worked" << endl; m_mediaList.changeMediumState(m, allowNotification); } return; } } Medium* m = new Medium(mediumUdi, ""); if (libhal_device_query_capability(m_halContext, mediumUdi, "volume", NULL)) setVolumeProperties(m); if (libhal_device_query_capability(m_halContext, mediumUdi, "storage", NULL)) setFloppyProperties(m); if (libhal_device_query_capability(m_halContext, mediumUdi, "camera", NULL)) setCameraProperties(m); m_mediaList.changeMediumState(*m, allowNotification); delete m; } void HALBackend::setVolumeProperties(Medium* medium) { kdDebug(1219) << "HALBackend::setVolumeProperties for " << medium->id() << endl; const char* udi = medium->id().ascii(); /* Check if the device still exists */ if (!libhal_device_exists(m_halContext, udi, NULL)) return; /* Get device information from libhal-storage */ LibHalVolume* halVolume = libhal_volume_from_udi(m_halContext, udi); if (!halVolume) return; QString driveUdi = libhal_volume_get_storage_device_udi(halVolume); LibHalDrive* halDrive = 0; if ( !driveUdi.isNull() ) halDrive = libhal_drive_from_udi(m_halContext, driveUdi.ascii()); if (!halDrive) { // at times HAL sends an UnmountForced event before the device is removed libhal_volume_free(halVolume); return; } medium->setName( generateName(libhal_volume_get_device_file(halVolume)) ); medium->mountableState( libhal_volume_get_device_file(halVolume), /* Device node */ libhal_volume_get_mount_point(halVolume), /* Mount point */ libhal_volume_get_fstype(halVolume), /* Filesystem type */ libhal_volume_is_mounted(halVolume) ); /* Mounted ? */ char* name = libhal_volume_policy_compute_display_name(halDrive, halVolume, m_halStoragePolicy); QString volume_name = QString::fromUtf8(name); QString media_name = volume_name; medium->setLabel(media_name); free(name); QString mimeType; if (libhal_volume_is_disc(halVolume)) { mimeType = "media/cdrom" + MOUNT_SUFFIX; LibHalVolumeDiscType discType = libhal_volume_get_disc_type(halVolume); if ((discType == LIBHAL_VOLUME_DISC_TYPE_CDROM) || (discType == LIBHAL_VOLUME_DISC_TYPE_CDR) || (discType == LIBHAL_VOLUME_DISC_TYPE_CDRW)) if (libhal_volume_disc_is_blank(halVolume)) { mimeType = "media/blankcd"; medium->unmountableState(""); } else mimeType = "media/cdwriter" + MOUNT_SUFFIX; if ((discType == LIBHAL_VOLUME_DISC_TYPE_DVDROM) || (discType == LIBHAL_VOLUME_DISC_TYPE_DVDRAM) || (discType == LIBHAL_VOLUME_DISC_TYPE_DVDR) || (discType == LIBHAL_VOLUME_DISC_TYPE_DVDRW) || (discType == LIBHAL_VOLUME_DISC_TYPE_DVDPLUSR) || (discType == LIBHAL_VOLUME_DISC_TYPE_DVDPLUSRW) ) if (libhal_volume_disc_is_blank(halVolume)) { mimeType = "media/blankdvd"; medium->unmountableState(""); } else mimeType = "media/dvd" + MOUNT_SUFFIX; if (libhal_volume_disc_has_audio(halVolume) && !libhal_volume_disc_has_data(halVolume)) { mimeType = "media/audiocd"; medium->unmountableState( "audiocd:/?device=" + QString(libhal_volume_get_device_file(halVolume)) ); } medium->setIconName(QString::null); /* check if the disc id a vcd or a video dvd */ DiscType type = LinuxCDPolling::identifyDiscType(libhal_volume_get_device_file(halVolume)); switch (type) { case DiscType::VCD: mimeType = "media/vcd"; break; case DiscType::SVCD: mimeType = "media/svcd"; break; case DiscType::DVD: mimeType = "media/dvdvideo"; break; } } else { mimeType = "media/hdd" + MOUNT_SUFFIX; medium->setIconName(QString::null); // reset icon if (libhal_drive_is_hotpluggable(halDrive)) { mimeType = "media/removable" + MOUNT_SUFFIX; medium->needMounting(); switch (libhal_drive_get_type(halDrive)) { case LIBHAL_DRIVE_TYPE_COMPACT_FLASH: medium->setIconName("compact_flash" + MOUNT_ICON_SUFFIX); break; case LIBHAL_DRIVE_TYPE_MEMORY_STICK: medium->setIconName("memory_stick" + MOUNT_ICON_SUFFIX); break; case LIBHAL_DRIVE_TYPE_SMART_MEDIA: medium->setIconName("smart_media" + MOUNT_ICON_SUFFIX); break; case LIBHAL_DRIVE_TYPE_SD_MMC: medium->setIconName("sd_mmc" + MOUNT_ICON_SUFFIX); break; case LIBHAL_DRIVE_TYPE_PORTABLE_AUDIO_PLAYER: { medium->setIconName("ipod" + MOUNT_ICON_SUFFIX); break; } case LIBHAL_DRIVE_TYPE_CAMERA: { mimeType = "media/camera" + MOUNT_SUFFIX; const char *physdev = libhal_drive_get_physical_device_udi(halDrive); // get model from camera if (physdev && libhal_device_query_capability(m_halContext, physdev, "camera", NULL)) { if (libhal_device_property_exists(m_halContext, physdev, "usb_device.product", NULL)) medium->setLabel(libhal_device_get_property_QString(m_halContext, physdev, "usb_device.product")); else if (libhal_device_property_exists(m_halContext, physdev, "usb.product", NULL)) medium->setLabel(libhal_device_get_property_QString(m_halContext, physdev, "usb.product")); } break; } case LIBHAL_DRIVE_TYPE_TAPE: medium->setIconName(QString::null); //FIXME need icon break; default: medium->setIconName(QString::null); } if (medium->isMounted() && QFile::exists(medium->mountPoint() + "/dcim")) { mimeType = "media/camera" + MOUNT_SUFFIX; } } } medium->setMimeType(mimeType); libhal_drive_free(halDrive); libhal_volume_free(halVolume); } bool HALBackend::setFstabProperties( Medium *medium ) { QString mp = isInFstab(medium); if (!mp.isNull() && !medium->id().startsWith( "/org/kde" ) ) { // now that we know it's in fstab, we have to find out if it's mounted KMountPoint::List mtab = KMountPoint::currentMountPoints(); KMountPoint::List::iterator it = mtab.begin(); KMountPoint::List::iterator end = mtab.end(); bool mounted = false; for (; it!=end; ++it) { if ((*it)->mountedFrom() == medium->deviceNode() && (*it)->mountPoint() == mp ) { mounted = true; break; } } kdDebug() << mp << " " << mounted << " " << medium->deviceNode() << " " << endl; QString fstype = medium->fsType(); if ( fstype.isNull() ) fstype = "auto"; medium->mountableState( medium->deviceNode(), mp, /* Mount point */ fstype, /* Filesystem type */ mounted ); /* Mounted ? */ return true; } return false; } // Handle floppies and zip drives bool HALBackend::setFloppyProperties(Medium* medium) { kdDebug(1219) << "HALBackend::setFloppyProperties for " << medium->id() << endl; const char* udi = medium->id().ascii(); /* Check if the device still exists */ if (!libhal_device_exists(m_halContext, udi, NULL)) return false; LibHalDrive* halDrive = libhal_drive_from_udi(m_halContext, udi); if (!halDrive) return false; QString drive_type = libhal_device_get_property_QString(m_halContext, udi, "storage.drive_type"); if (drive_type == "zip") { int numVolumes; char** volumes = libhal_drive_find_all_volumes(m_halContext, halDrive, &numVolumes); libhal_free_string_array(volumes); kdDebug(1219) << " found " << numVolumes << " volumes" << endl; if (numVolumes) { libhal_drive_free(halDrive); return false; } } medium->setName( generateName(libhal_drive_get_device_file(halDrive)) ); medium->setLabel(i18n("Unknown Drive")); // HAL hates floppies - so we have to do it twice ;( medium->mountableState(libhal_drive_get_device_file(halDrive), QString::null, QString::null, false); setFloppyMountState(medium); if (drive_type == "floppy") { if (medium->isMounted()) // don't use _SUFFIX here as it accesses the volume medium->setMimeType("media/floppy_mounted" ); else medium->setMimeType("media/floppy_unmounted"); medium->setLabel(i18n("Floppy Drive")); } else if (drive_type == "zip") { if (medium->isMounted()) medium->setMimeType("media/zip_mounted" ); else medium->setMimeType("media/zip_unmounted"); medium->setLabel(i18n("Zip Drive")); } /** @todo And mimtype for JAZ drives ? */ medium->setIconName(QString::null); libhal_drive_free(halDrive); return true; } void HALBackend::setFloppyMountState( Medium *medium ) { if ( !medium->id().startsWith( "/org/kde" ) ) { KMountPoint::List mtab = KMountPoint::currentMountPoints(); KMountPoint::List::iterator it = mtab.begin(); KMountPoint::List::iterator end = mtab.end(); QString fstype; QString mountpoint; for (; it!=end; ++it) { if ((*it)->mountedFrom() == medium->deviceNode() ) { fstype = (*it)->mountType().isNull() ? (*it)->mountType() : "auto"; mountpoint = (*it)->mountPoint(); medium->mountableState( medium->deviceNode(), mountpoint, fstype, true ); return; } } } } void HALBackend::setCameraProperties(Medium* medium) { kdDebug(1219) << "HALBackend::setCameraProperties for " << medium->id() << endl; const char* udi = medium->id().ascii(); /* Check if the device still exists */ if (!libhal_device_exists(m_halContext, udi, NULL)) return; /** @todo find name */ medium->setName("camera"); QString device = "camera:/"; char *cam = libhal_device_get_property_string(m_halContext, udi, "camera.libgphoto2.name", NULL); DBusError error; dbus_error_init(&error); if (cam && libhal_device_property_exists(m_halContext, udi, "usb.linux.device_number", NULL) && libhal_device_property_exists(m_halContext, udi, "usb.bus_number", NULL)) device.sprintf("camera://%s@[usb:%03d,%03d]/", cam, libhal_device_get_property_int(m_halContext, udi, "usb.bus_number", &error), libhal_device_get_property_int(m_halContext, udi, "usb.linux.device_number", &error)); libhal_free_string(cam); /** @todo find the rest of this URL */ medium->unmountableState(device); medium->setMimeType("media/gphoto2camera"); medium->setIconName(QString::null); if (libhal_device_property_exists(m_halContext, udi, "usb_device.product", NULL)) medium->setLabel(libhal_device_get_property_QString(m_halContext, udi, "usb_device.product")); else if (libhal_device_property_exists(m_halContext, udi, "usb.product", NULL)) medium->setLabel(libhal_device_get_property_QString(m_halContext, udi, "usb.product")); else medium->setLabel(i18n("Camera")); } QString HALBackend::generateName(const QString &devNode) { return KURL(devNode).fileName(); } /****************************************** ** HAL CALL-BACKS ** ******************************************/ void HALBackend::hal_device_added(LibHalContext *ctx, const char *udi) { kdDebug(1219) << "HALBackend::hal_device_added " << udi << endl; Q_UNUSED(ctx); s_HALBackend->AddDevice(udi); } void HALBackend::hal_device_removed(LibHalContext *ctx, const char *udi) { kdDebug(1219) << "HALBackend::hal_device_removed " << udi << endl; Q_UNUSED(ctx); s_HALBackend->RemoveDevice(udi); } void HALBackend::hal_device_property_modified(LibHalContext *ctx, const char *udi, const char *key, dbus_bool_t is_removed, dbus_bool_t is_added) { kdDebug(1219) << "HALBackend::hal_property_modified " << udi << " -- " << key << endl; Q_UNUSED(ctx); Q_UNUSED(is_removed); Q_UNUSED(is_added); s_HALBackend->ModifyDevice(udi, key); } void HALBackend::hal_device_condition(LibHalContext *ctx, const char *udi, const char *condition_name, const char* message ) { kdDebug(1219) << "HALBackend::hal_device_condition " << udi << " -- " << condition_name << endl; Q_UNUSED(ctx); Q_UNUSED(message); s_HALBackend->DeviceCondition(udi, condition_name); } QStringList HALBackend::mountoptions(const QString &name) { const Medium* medium = m_mediaList.findById(name); if (medium && !isInFstab(medium).isNull()) return QStringList(); // not handled by HAL - fstab entry KConfig config("mediamanagerrc"); config.setGroup(name); char ** array = libhal_device_get_property_strlist(m_halContext, name.latin1(), "volume.mount.valid_options", NULL); QMap valids; for (int index = 0; array && array[index]; ++index) { QString t = array[index]; if (t.endsWith("=")) t = t.left(t.length() - 1); valids[t] = true; kdDebug() << "valid " << t << endl; } libhal_free_string_array(array); QStringList result; QString tmp; QString fstype = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.fstype"); if (fstype.isNull()) fstype = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.policy.mount_filesystem"); QString drive_udi = libhal_device_get_property_QString(m_halContext, name.latin1(), "block.storage_device"); bool removable = false; if ( !drive_udi.isNull() ) removable = libhal_device_get_property_bool(m_halContext, drive_udi.latin1(), "storage.removable", NULL) || libhal_device_get_property_bool(m_halContext, drive_udi.latin1(), "storage.hotpluggable", NULL); config.setGroup(drive_udi); bool value = config.readBoolEntry("automount", false); config.setGroup(name); if (libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_blank", NULL) || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_vcd", NULL) || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_svcd", NULL) || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_videodvd", NULL) || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.has_audio", NULL)) value = false; result << QString("automount=%1").arg(value ? "true" : "false"); if (valids.contains("ro")) { value = config.readBoolEntry("ro", false); tmp = QString("ro=%1").arg(value ? "true" : "false"); if (fstype != "iso9660") // makes no sense result << tmp; } if (valids.contains("quiet")) { value = config.readBoolEntry("quiet", false); tmp = QString("quiet=%1").arg(value ? "true" : "false"); if (fstype != "iso9660") // makes no sense result << tmp; } if (valids.contains("flush")) { value = config.readBoolEntry("flush", fstype.endsWith("fat")); tmp = QString("flush=%1").arg(value ? "true" : "false"); result << tmp; } if (valids.contains("uid")) { value = config.readBoolEntry("uid", true); tmp = QString("uid=%1").arg(value ? "true" : "false"); result << tmp; } if (valids.contains("utf8")) { value = config.readBoolEntry("utf8", true); tmp = QString("utf8=%1").arg(value ? "true" : "false"); result << tmp; } if (valids.contains("shortname")) { QString svalue = config.readEntry("shortname", "lower").lower(); if (svalue == "winnt") result << "shortname=winnt"; else if (svalue == "win95") result << "shortname=win95"; else if (svalue == "mixed") result << "shortname=mixed"; else result << "shortname=lower"; } // pass our locale to the ntfs-3g driver so it can translate local characters if (valids.contains("locale") && fstype == "ntfs-3g") { // have to obtain LC_CTYPE as returned by the `locale` command // check in the same order as `locale` does char *cType; if ( (cType = getenv("LC_ALL")) || (cType = getenv("LC_CTYPE")) || (cType = getenv("LANG")) ) { result << QString("locale=%1").arg(cType); } } if (valids.contains("sync")) { value = config.readBoolEntry("sync", ( valids.contains("flush") && !fstype.endsWith("fat") ) && removable); tmp = QString("sync=%1").arg(value ? "true" : "false"); if (fstype != "iso9660") // makes no sense result << tmp; } if (valids.contains("noatime")) { value = config.readBoolEntry("atime", !fstype.endsWith("fat")); tmp = QString("atime=%1").arg(value ? "true" : "false"); if (fstype != "iso9660") // makes no sense result << tmp; } QString mount_point = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.mount_point"); if (mount_point.isEmpty()) mount_point = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.policy.desired_mount_point"); mount_point = config.readEntry("mountpoint", mount_point); if (!mount_point.startsWith("/")) mount_point = "/media/" + mount_point; result << QString("mountpoint=%1").arg(mount_point); result << QString("filesystem=%1").arg(fstype); if (valids.contains("data")) { QString svalue = config.readEntry("journaling").lower(); if (svalue == "ordered") result << "journaling=ordered"; else if (svalue == "writeback") result << "journaling=writeback"; else if (svalue == "data") result << "journaling=data"; else result << "journaling=ordered"; } return result; } bool HALBackend::setMountoptions(const QString &name, const QStringList &options ) { kdDebug() << "setMountoptions " << name << " " << options << endl; KConfig config("mediamanagerrc"); config.setGroup(name); QMap valids = MediaManagerUtils::splitOptions(options); const char *names[] = { "ro", "quiet", "atime", "uid", "utf8", "flush", "sync", 0 }; for (int index = 0; names[index]; ++index) if (valids.contains(names[index])) config.writeEntry(names[index], valids[names[index]] == "true"); if (valids.contains("shortname")) config.writeEntry("shortname", valids["shortname"]); if (valids.contains("journaling")) config.writeEntry("journaling", valids["journaling"]); if (!mountoptions(name).contains(QString("mountpoint=%1").arg(valids["mountpoint"]))) config.writeEntry("mountpoint", valids["mountpoint"]); if (valids.contains("automount")) { QString drive_udi = libhal_device_get_property_QString(m_halContext, name.latin1(), "block.storage_device"); config.setGroup(drive_udi); config.writeEntry("automount", valids["automount"]); } return true; } static QString mount_priv(const char *udi, const char *mount_point, const char **poptions, int noptions, DBusConnection *dbus_connection) { DBusMessage *dmesg, *reply; DBusError error; const char *fstype = ""; if (!(dmesg = dbus_message_new_method_call ("org.freedesktop.Hal", udi, "org.freedesktop.Hal.Device.Volume", "Mount"))) { kdDebug() << "mount failed for " << udi << ": could not create dbus message\n"; return i18n("Internal Error"); } if (!dbus_message_append_args (dmesg, DBUS_TYPE_STRING, &mount_point, DBUS_TYPE_STRING, &fstype, DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &poptions, noptions, DBUS_TYPE_INVALID)) { kdDebug() << "mount failed for " << udi << ": could not append args to dbus message\n"; dbus_message_unref (dmesg); return i18n("Internal Error"); } QString qerror; dbus_error_init (&error); if (!(reply = dbus_connection_send_with_reply_and_block (dbus_connection, dmesg, -1, &error))) { QString qerror = error.message; kdError() << "mount failed for " << udi << ": " << error.name << " - " << qerror << endl; if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.UnknownFilesystemType")) qerror = i18n("Invalid filesystem type"); else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.PermissionDenied")) qerror = i18n("Permissions denied"); else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.AlreadyMounted")) qerror = i18n("Device is already mounted."); else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.InvalidMountpoint") && strlen(mount_point)) { dbus_message_unref (dmesg); dbus_error_free (&error); return mount_priv(udi, "", poptions, noptions, dbus_connection); } dbus_message_unref (dmesg); dbus_error_free (&error); return qerror; } kdDebug() << "mount queued for " << udi << endl; dbus_message_unref (dmesg); dbus_message_unref (reply); return qerror; } QString HALBackend::listUsingProcesses(const Medium* medium) { QString proclist, fullmsg; QString cmdline = QString("/usr/bin/env fuser -vm %1 2>&1").arg(KProcess::quote(medium->mountPoint())); FILE *fuser = popen(cmdline.latin1(), "r"); uint counter = 0; if (fuser) { proclist += "
";
        QTextIStream is(fuser);
        QString tmp;
        while (!is.atEnd()) {
            tmp = is.readLine();
            tmp = QStyleSheet::escape(tmp) + "\n";

            proclist += tmp;
            if (counter++ > 10)
            {
                proclist += "...";
                break;
            }
        }
        proclist += "
"; (void)pclose( fuser ); } if (counter) { fullmsg = i18n("Moreover, programs still using the device " "have been detected. They are listed below. You have to " "close them or change their working directory before " "attempting to unmount the device again."); fullmsg += "
" + proclist; return fullmsg; } else { return QString::null; } } void HALBackend::slotResult(KIO::Job *job) { kdDebug() << "slotResult " << mount_jobs[job] << endl; struct mount_job_data *data = mount_jobs[job]; QString& qerror = data->errorMessage; const Medium* medium = data->medium; if (job->error() == KIO::ERR_COULD_NOT_UNMOUNT) { QString proclist(listUsingProcesses(medium)); qerror = ""; qerror += "

" + i18n("Unfortunately, the device %1 (%2) named '%3' and " "currently mounted at %4 could not be unmounted. ").arg( "system:/media/" + medium->name(), medium->deviceNode(), medium->prettyLabel(), medium->prettyBaseURL().pathOrURL()) + "

"; qerror += "

" + i18n("The following error was returned by umount command:"); qerror += "

" + job->errorText() + "
"; if (!proclist.isEmpty()) { qerror += proclist; } qerror += "
"; } else if (job->error()) { qerror = job->errorText(); } ResetProperties( medium->id().latin1() ); mount_jobs.remove(job); /* Job completed. Notify the caller */ data->error = job->error(); data->completed = true; kapp->eventLoop()->exitLoop(); } QString HALBackend::isInFstab(const Medium *medium) { KMountPoint::List fstab = KMountPoint::possibleMountPoints(KMountPoint::NeedMountOptions|KMountPoint::NeedRealDeviceName); KMountPoint::List::iterator it = fstab.begin(); KMountPoint::List::iterator end = fstab.end(); for (; it!=end; ++it) { QString reald = (*it)->realDeviceName(); if ( reald.endsWith( "/" ) ) reald = reald.left( reald.length() - 1 ); kdDebug() << "isInFstab -" << medium->deviceNode() << "- -" << reald << "- -" << (*it)->mountedFrom() << "-" << endl; if ((*it)->mountedFrom() == medium->deviceNode() || ( !medium->deviceNode().isEmpty() && reald == medium->deviceNode() ) ) { QStringList opts = (*it)->mountOptions(); if (opts.contains("user") || opts.contains("users")) return (*it)->mountPoint(); } } return QString::null; } QString HALBackend::mount(const Medium *medium) { if (medium->isMounted()) return QString(); // that was easy QString mountPoint = isInFstab(medium); if (!mountPoint.isNull()) { struct mount_job_data data; data.completed = false; data.medium = medium; kdDebug() << "triggering user mount " << medium->deviceNode() << " " << mountPoint << " " << medium->id() << endl; KIO::Job *job = KIO::mount( false, 0, medium->deviceNode(), mountPoint ); connect(job, SIGNAL( result (KIO::Job *)), SLOT( slotResult( KIO::Job *))); mount_jobs[job] = &data; // The caller expects the device to be mounted when the function // completes. Thus block until the job completes. while (!data.completed) { kapp->eventLoop()->enterLoop(); } // Return the error message (if any) to the caller return (data.error) ? data.errorMessage : QString::null; } else if (medium->id().startsWith("/org/kde/") ) return i18n("Permissions denied"); QStringList soptions; kdDebug() << "mounting " << medium->id() << "..." << endl; QMap valids = MediaManagerUtils::splitOptions(mountoptions(medium->id())); if (valids["flush"] == "true") soptions << "flush"; if (valids["uid"] == "true") { soptions << QString("uid=%1").arg(getuid()); } if (valids["ro"] == "true") soptions << "ro"; if (valids["atime"] != "true") soptions << "noatime"; if (valids["quiet"] == "true") soptions << "quiet"; if (valids["utf8"] == "true") soptions << "utf8"; if (valids["sync"] == "true") soptions << "sync"; QString mount_point = valids["mountpoint"]; if (mount_point.startsWith("/media/")) mount_point = mount_point.mid(7); if (valids.contains("shortname")) { soptions << QString("shortname=%1").arg(valids["shortname"]); } if (valids.contains("locale")) { soptions << QString("locale=%1").arg(valids["locale"]); } if (valids.contains("journaling")) { QString option = valids["journaling"]; if (option == "data") soptions << QString("data=journal"); else if (option == "writeback") soptions << QString("data=writeback"); else soptions << QString("data=ordered"); } const char **options = new const char*[soptions.size() + 1]; uint noptions = 0; for (QStringList::ConstIterator it = soptions.begin(); it != soptions.end(); ++it, ++noptions) options[noptions] = (*it).latin1(); options[noptions] = NULL; QString qerror = mount_priv(medium->id().latin1(), mount_point.utf8(), options, noptions, dbus_connection); if (!qerror.isEmpty()) { kdError() << "mounting " << medium->id() << " returned " << qerror << endl; return qerror; } medium->setHalMounted(true); ResetProperties(medium->id().latin1()); return QString(); } QString HALBackend::mount(const QString &_udi) { const Medium* medium = m_mediaList.findById(_udi); if (!medium) return i18n("No such medium: %1").arg(_udi); return mount(medium); } QString HALBackend::unmount(const QString &_udi) { const Medium* medium = m_mediaList.findById(_udi); if (!medium) { // now we get fancy: if the udi is no volume, it _might_ be a device with only one // volume on it (think CDs) - so we're so nice to the caller to unmount that volume LibHalDrive* halDrive = libhal_drive_from_udi(m_halContext, _udi.latin1()); if (halDrive) { int numVolumes; char** volumes = libhal_drive_find_all_volumes(m_halContext, halDrive, &numVolumes); if (numVolumes == 1) medium = m_mediaList.findById( volumes[0] ); } } if ( !medium ) return i18n("No such medium: %1").arg(_udi); if (!medium->isMounted()) return QString(); // that was easy QString mountPoint = isInFstab(medium); if (!mountPoint.isNull()) { struct mount_job_data data; data.completed = false; data.medium = medium; kdDebug() << "triggering user unmount " << medium->deviceNode() << " " << mountPoint << endl; KIO::Job *job = KIO::unmount( medium->mountPoint(), false ); connect(job, SIGNAL( result (KIO::Job *)), SLOT( slotResult( KIO::Job *))); mount_jobs[job] = &data; // The caller expects the device to be unmounted when the function // completes. Thus block until the job completes. while (!data.completed) { kapp->eventLoop()->enterLoop(); } // Return the error message (if any) to the caller return (data.error) ? data.errorMessage : QString::null; } DBusMessage *dmesg, *reply; DBusError error; const char *options[2]; const char *udi = medium->id().latin1(); kdDebug() << "unmounting " << udi << "..." << endl; dbus_error_init(&error); DBusConnection *dbus_connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error); if (dbus_error_is_set(&error)) { dbus_error_free(&error); return false; } if (!(dmesg = dbus_message_new_method_call ("org.freedesktop.Hal", udi, "org.freedesktop.Hal.Device.Volume", "Unmount"))) { kdDebug() << "unmount failed for " << udi << ": could not create dbus message\n"; return i18n("Internal Error"); } options[0] = "force"; options[1] = 0; if (!dbus_message_append_args (dmesg, DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &options, 0, DBUS_TYPE_INVALID)) { kdDebug() << "unmount failed for " << udi << ": could not append args to dbus message\n"; dbus_message_unref (dmesg); return i18n("Internal Error"); } dbus_error_init (&error); if (!(reply = dbus_connection_send_with_reply_and_block (dbus_connection, dmesg, -1, &error))) { QString qerror, reason; kdDebug() << "unmount failed for " << udi << ": " << error.name << " " << error.message << endl; qerror = ""; qerror += "

" + i18n("Unfortunately, the device %1 (%2) named '%3' and " "currently mounted at %4 could not be unmounted. ").arg( "system:/media/" + medium->name(), medium->deviceNode(), medium->prettyLabel(), medium->prettyBaseURL().pathOrURL()) + "

"; qerror += "

" + i18n("Unmounting failed due to the following error:") + "

"; if (!strcmp(error.name, "org.freedesktop.Hal.Device.Volume.Busy")) { reason = i18n("Device is Busy:"); } else if (!strcmp(error.name, "org.freedesktop.Hal.Device.Volume.NotMounted")) { // this is faking. The error is that the device wasn't mounted by hal (but by the system) reason = i18n("Permissions denied"); } else { reason = error.message; } qerror += "

" + reason + "

"; // Include list of processes (if any) using the device in the error message reason = listUsingProcesses(medium); if (!reason.isEmpty()) { qerror += reason; } dbus_message_unref (dmesg); dbus_error_free (&error); return qerror; } kdDebug() << "unmount queued for " << udi << endl; dbus_message_unref (dmesg); dbus_message_unref (reply); medium->setHalMounted(false); ResetProperties(udi); return QString(); } #include "halbackend.moc"