Beispiel #1
0
// Helper function. creates a CStorageDevice from a HAL udi
bool CHALManager::DeviceFromVolumeUdi(const char *udi, CStorageDevice *device)
{
  if (g_HalManager.m_Context == NULL)
    return false;

  LibHalVolume *tempVolume;
  LibHalDrive  *tempDrive;
  bool Created = false;

  tempVolume = libhal_volume_from_udi(g_HalManager.m_Context, udi);
  if (tempVolume)
  {
    const char *DriveUdi = libhal_volume_get_storage_device_udi(tempVolume);
    tempDrive = libhal_drive_from_udi(g_HalManager.m_Context, DriveUdi);

    if (tempDrive)
    {
      char * FriendlyName   = libhal_device_get_property_string(g_HalManager.m_Context, udi, "info.product", NULL);
      device->FriendlyName  = FriendlyName;
      libhal_free_string(FriendlyName);
      char *block = libhal_device_get_property_string(g_HalManager.m_Context, udi, "block.device", NULL);
      device->DevID         = block;
      libhal_free_string(block);

      device->HotPlugged  = (bool)libhal_drive_is_hotpluggable(tempDrive);
      device->Type        = libhal_drive_get_type(tempDrive);
      device->Mounted     = (bool)libhal_volume_is_mounted(tempVolume);
      device->MountPoint  = libhal_volume_get_mount_point(tempVolume);
      if (device->Mounted)
        URIUtils::AddSlashAtEnd(device->MountPoint);
      device->Label       = libhal_volume_get_label(tempVolume);
      device->UUID        = libhal_volume_get_uuid(tempVolume);
      device->FileSystem  = libhal_volume_get_fstype(tempVolume);
      device->HalIgnore   = libhal_device_get_property_bool(g_HalManager.m_Context, udi, "volume.ignore", NULL);
      ApproveDevice(device);

      libhal_drive_free(tempDrive);
      Created = true;
    }
    else
      CLog::Log(LOGERROR, "HAL: Couldn't create a Drive even if we had a volume - %s", udi);

    libhal_volume_free(tempVolume);
  }

  return Created;
}
static void
thunar_vfs_volume_hal_update (ThunarVfsVolumeHal *volume_hal,
                              LibHalContext      *context,
                              LibHalVolume       *hv,
                              LibHalDrive        *hd)
{
  gchar *desired_mount_point;
  gchar *mount_root;
  gchar *basename;
  gchar *filename;

  _thunar_vfs_return_if_fail (THUNAR_VFS_IS_VOLUME_HAL (volume_hal));
  _thunar_vfs_return_if_fail (hd != NULL);

  /* reset the volume status */
  volume_hal->status = 0;

  /* determine the new device file */
  g_free (volume_hal->device_file);
  volume_hal->device_file = g_strdup ((hv != NULL) ? libhal_volume_get_device_file (hv) : libhal_drive_get_device_file (hd));

  /* compute a usable display name for the volume/drive */
  g_free (volume_hal->device_label);
  volume_hal->device_label = (hv == NULL)
    ? exo_hal_drive_compute_display_name (context, hd)
    : exo_hal_volume_compute_display_name (context, hv, hd);
  if (G_UNLIKELY (volume_hal->device_label == NULL))
    {
      /* use the basename of the device file as label */
      volume_hal->device_label = g_path_get_basename (volume_hal->device_file);
    }

  /* compute a usable list of icon names for the volume/drive */
  g_list_foreach (volume_hal->icon_list, (GFunc) g_free, NULL);
  g_list_free (volume_hal->icon_list);
  volume_hal->icon_list = (hv == NULL)
    ? exo_hal_drive_compute_icon_list (context, hd)
    : exo_hal_volume_compute_icon_list (context, hv, hd);

  /* release the previous mount point (if any) */
  if (G_LIKELY (volume_hal->mount_point != NULL))
    {
      thunar_vfs_path_unref (volume_hal->mount_point);
      volume_hal->mount_point = NULL;
    }

  /* determine the type of the volume */
  switch (libhal_drive_get_type (hd))
    {
    case LIBHAL_DRIVE_TYPE_CDROM:
      /* check if we have a pure audio CD without any data track */
      if (libhal_volume_disc_has_audio (hv) && !libhal_volume_disc_has_data (hv))
        {
          /* special treatment for pure audio CDs */
          volume_hal->kind = THUNAR_VFS_VOLUME_KIND_AUDIO_CD;
        }
      else
        {
          /* check which kind of CD-ROM/DVD we have */
          switch (libhal_volume_get_disc_type (hv))
            {
            case LIBHAL_VOLUME_DISC_TYPE_CDROM:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_CDROM;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_CDR:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_CDR;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_CDRW:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_CDRW;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDROM:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDROM;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDRAM:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDRAM;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDR:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDR;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDRW:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDRW;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDPLUSR:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDPLUSR;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDPLUSRW:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDPLUSRW;
              break;

            default:
              /* unsupported disc type */
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_UNKNOWN;
              break;
            }
        }
      break;

    case LIBHAL_DRIVE_TYPE_FLOPPY:
      volume_hal->kind = THUNAR_VFS_VOLUME_KIND_FLOPPY;
      break;

    case LIBHAL_DRIVE_TYPE_PORTABLE_AUDIO_PLAYER:
      volume_hal->kind = THUNAR_VFS_VOLUME_KIND_AUDIO_PLAYER;
      break;

    case LIBHAL_DRIVE_TYPE_SMART_MEDIA:
    case LIBHAL_DRIVE_TYPE_SD_MMC:
      volume_hal->kind = THUNAR_VFS_VOLUME_KIND_MEMORY_CARD;
      break;

    default:
      /* check if the drive is connected to the USB bus */
      if (libhal_drive_get_bus (hd) == LIBHAL_DRIVE_BUS_USB)
        {
          /* we consider the drive to be an USB stick */
          volume_hal->kind = THUNAR_VFS_VOLUME_KIND_USBSTICK;
        }
      else if (libhal_drive_uses_removable_media (hd)
            || libhal_drive_is_hotpluggable (hd))
        {
          /* fallback to generic removable disk */
          volume_hal->kind = THUNAR_VFS_VOLUME_KIND_REMOVABLE_DISK;
        }
      else
        {
          /* fallback to harddisk drive */
          volume_hal->kind = THUNAR_VFS_VOLUME_KIND_HARDDISK;
        }
      break;
    }

  /* either we have a volume, which means we have media, or
   * a drive, which means non-pollable then, so it's present
   */
  volume_hal->status |= THUNAR_VFS_VOLUME_STATUS_PRESENT;
  
  /* figure out if the volume is mountable */
  if(hv != NULL && libhal_volume_get_fsusage (hv) == LIBHAL_VOLUME_USAGE_MOUNTABLE_FILESYSTEM)
    volume_hal->status |= THUNAR_VFS_VOLUME_STATUS_MOUNTABLE;

  /* check if the drive requires eject */
  volume_hal->requires_eject = libhal_drive_requires_eject (hd);

  /* check if the volume is currently mounted */
  if (hv != NULL && libhal_volume_is_mounted (hv))
    {
      /* try to determine the new mount point */
      volume_hal->mount_point = thunar_vfs_path_new (libhal_volume_get_mount_point (hv), NULL);

      /* we only mark the volume as mounted if we have a valid mount point */
      if (G_LIKELY (volume_hal->mount_point != NULL))
        volume_hal->status |= THUNAR_VFS_VOLUME_STATUS_MOUNTED | THUNAR_VFS_VOLUME_STATUS_PRESENT;
    }
  else
    {
      /* we don't trust HAL, so let's see what the kernel says about the volume */
      volume_hal->mount_point = thunar_vfs_volume_hal_find_active_mount_point (volume_hal);

      /* we must have been mounted successfully if we have a mount point */
      if (G_LIKELY (volume_hal->mount_point != NULL))
        volume_hal->status |= THUNAR_VFS_VOLUME_STATUS_MOUNTED | THUNAR_VFS_VOLUME_STATUS_PRESENT;
    }

  /* check if we have to figure out the mount point ourself */
  if (G_UNLIKELY (volume_hal->mount_point == NULL))
    {
      /* ask HAL for the default mount root (falling back to /media otherwise) */
      mount_root = libhal_device_get_property_string (context, "/org/freedesktop/Hal/devices/computer", "storage.policy.default.mount_root", NULL);
      if (G_UNLIKELY (mount_root == NULL || !g_path_is_absolute (mount_root)))
        {
          /* fallback to /media (seems to be sane) */
          g_free (mount_root);
          mount_root = g_strdup ("/media");
        }

      /* lets see, maybe /etc/fstab knows where to mount */
      volume_hal->mount_point = thunar_vfs_volume_hal_find_fstab_mount_point (volume_hal);

      /* if we still don't have a mount point, ask HAL */
      if (G_UNLIKELY (volume_hal->mount_point == NULL))
        {
          /* determine the desired mount point and prepend the mount root */
          desired_mount_point = libhal_device_get_property_string (context, volume_hal->udi, "volume.policy.desired_mount_point", NULL);
          if (G_LIKELY (desired_mount_point != NULL && *desired_mount_point != '\0'))
            {
              filename = g_build_filename (mount_root, desired_mount_point, NULL);
              volume_hal->mount_point = thunar_vfs_path_new (filename, NULL);
              g_free (filename);
            }
          libhal_free_string (desired_mount_point);
        }

      /* ok, last fallback, just use <mount-root>/<device> */
      if (G_UNLIKELY (volume_hal->mount_point == NULL))
        {
          /* <mount-root>/<device> looks like a good idea */
          basename = g_path_get_basename (volume_hal->device_file);
          filename = g_build_filename (mount_root, basename, NULL);
          volume_hal->mount_point = thunar_vfs_path_new (filename, NULL);
          g_free (filename);
          g_free (basename);
        }

      /* release the mount root */
      g_free (mount_root);
    }

  /* if we get here, we must have a valid mount point */
  g_assert (volume_hal->mount_point != NULL);

  /* emit the "changed" signal */
  thunar_vfs_volume_changed (THUNAR_VFS_VOLUME (volume_hal));
}
Beispiel #3
0
/* Callback function, called when a new device has been inserted. */
static void
device_added(LibHalContext *context, const char *did)
{
    const char *dudi, *fstype;
    char *dev, *mountp, *mountable, *label, *locked_reason;
    LibHalVolume *volume;
    LibHalDrive *drive;
    struct device_t *device;

    if (libhal_device_property_exists(context, did, "info.locked",
                                      (DBusError *)NULL)
            && libhal_device_get_property_bool(context, did, "info.locked",
                                               (DBusError *)NULL)) {
        if (debug_mode_flag) {
            locked_reason = libhal_device_get_property_string(
                                context, did, "info.locked.reason",
                                (DBusError *)NULL);
            if (locked_reason) {
                if (debug_mode_flag)
                    printf("%s%d: %s\n", __FILE__, __LINE__, locked_reason);
                libhal_free_string(locked_reason);
            }
        }
        return;
    }

    if (!libhal_device_query_capability(context, did, "volume",
                                        (DBusError *)NULL))
        return;
    label = libhal_device_get_property_string(context, did, "volume.label",
                                              (DBusError *)NULL);
    if (!(mountable = libhal_device_get_property_string(
                          context, did, "volume.fsusage", (DBusError *)NULL))
            || strcmp(mountable, "filesystem"))
        goto out;
    if (!(volume = libhal_volume_from_udi(context, did)))
        goto out;
    if (!(dudi = libhal_volume_get_storage_device_udi(volume)))
        goto out;
    if (!(drive = libhal_drive_from_udi(context, dudi)))
        goto out;
    if (!libhal_drive_is_hotpluggable(drive)
            && !libhal_drive_uses_removable_media(drive))
        goto out;
    if (!(fstype = libhal_volume_get_fstype(volume)))
        goto out;
    if (!(dev = libhal_device_get_property_string(context, did, "block.device",
                                                  (DBusError *)NULL)))
        goto out;
    mountp = get_mount_point(dev, label);
    if (!mountp)
        goto out;
    device = get_device(mountp, did, dev, label, fstype, volume, drive);
    if(!is_mounted(device)) {
        free_device(device);
        goto out;
    }
    if (!device)
        goto out;
    consider_fstab(device);

    device->hook = malloc(2*sizeof(char*)); 
    if(!file_exists(HOOK_PATH)) {
        device->hook[0] = get_hook(device, "mount");
        device->hook[1] = get_hook(device, "umount");
    }
    else {
        device->hook[0] = NULL;
        device->hook[1] = NULL;
    }

    if (file_exists(device->mountp) < 0)
        mkdir(device->mountp, 0750);
    do_mount(device) < 0 ? free_device(device) : add_to_device_list(device);

    if (device) {
        if (!add_fstab_entry(device))
            device->should_remove_entry = 1;
        if (debug_mode_flag)
            debug_dump_device(device);
    }

    if (device->hook[0]) run_hook(0, device);

out:
    if (mountable)
        libhal_free_string(mountable);
    if (label)
        libhal_free_string(label);
}