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tdebase/kioslave/media/mediamanager/halbackend.cpp

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/* 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"
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