diff options
Diffstat (limited to 'kioslave/media/mediamanager/halbackend.cpp')
| -rw-r--r-- | kioslave/media/mediamanager/halbackend.cpp | 1345 |
1 files changed, 1345 insertions, 0 deletions
diff --git a/kioslave/media/mediamanager/halbackend.cpp b/kioslave/media/mediamanager/halbackend.cpp new file mode 100644 index 000000000..65c796605 --- /dev/null +++ b/kioslave/media/mediamanager/halbackend.cpp @@ -0,0 +1,1345 @@ +/* This file is part of the KDE Project + Copyright (c) 2004-2005 Jérôme Lodewyck <jerome dot lodewyck at normalesup dot org> + + 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 <stdlib.h> + +#include <kapplication.h> +#include <qeventloop.h> +#include <qfile.h> +#include <klocale.h> +#include <kurl.h> +#include <kdebug.h> +#include <kprocess.h> +#include <kconfig.h> +#include <qstylesheet.h> +#include <kmountpoint.h> +#include <kmessagebox.h> +#include <kio/job.h> + +#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<Medium> medlist = m_mediaList.list(); + QPtrListIterator<Medium> 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<QString,QString> 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<Medium> medlist = m_mediaList.list(); + QPtrListIterator<Medium> 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<QString,bool> 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<QString,QString> 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 += "<pre>"; + QTextIStream is(fuser); + QString tmp; + while (!is.atEnd()) { + tmp = is.readLine(); + tmp = QStyleSheet::escape(tmp) + "\n"; + + proclist += tmp; + if (counter++ > 10) + { + proclist += "..."; + break; + } + } + proclist += "</pre>"; + (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 += "<br>" + 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 = "<qt>"; + qerror += "<p>" + i18n("Unfortunately, the device <b>%1</b> (%2) named <b>'%3'</b> and " + "currently mounted at <b>%4</b> could not be unmounted. ").arg( + "system:/media/" + medium->name(), + medium->deviceNode(), + medium->prettyLabel(), + medium->prettyBaseURL().pathOrURL()) + "</p>"; + qerror += "<p>" + i18n("The following error was returned by umount command:"); + qerror += "</p><pre>" + job->errorText() + "</pre>"; + + if (!proclist.isEmpty()) { + qerror += proclist; + } + qerror += "</qt>"; + } 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<QString,QString> 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 = "<qt>"; + qerror += "<p>" + i18n("Unfortunately, the device <b>%1</b> (%2) named <b>'%3'</b> and " + "currently mounted at <b>%4</b> could not be unmounted. ").arg( + "system:/media/" + medium->name(), + medium->deviceNode(), + medium->prettyLabel(), + medium->prettyBaseURL().pathOrURL()) + "</p>"; + qerror += "<p>" + i18n("Unmounting failed due to the following error:") + "</p>"; + 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 += "<p><b>" + reason + "</b></p>"; + + // 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" |