static gboolean
handle_mount (CockpitStorageBlock *object,
GDBusMethodInvocation *invocation)
{
StorageBlock *block = STORAGE_BLOCK(object);
GError *error = NULL;
if (!auth_check_sender_role (invocation, COCKPIT_ROLE_STORAGE_ADMIN))
return TRUE;
UDisksObject *udisks_object =
(UDisksObject *) g_dbus_interface_get_object(G_DBUS_INTERFACE (block->udisks_block));
if (udisks_object == NULL)
{
g_dbus_method_invocation_return_error (invocation,
COCKPIT_ERROR,
COCKPIT_ERROR_FAILED,
"No object!?");
g_error_free (error);
return TRUE;
}
UDisksFilesystem *fsys = udisks_object_peek_filesystem (udisks_object);
if (fsys == NULL)
{
g_dbus_method_invocation_return_error (invocation,
COCKPIT_ERROR,
COCKPIT_ERROR_FAILED,
"Block device is not a filesystem");
g_error_free (error);
return TRUE;
}
if (!udisks_filesystem_call_mount_sync (fsys,
g_variant_new ("a{sv}", NULL),
NULL,
NULL,
&error))
{
g_dbus_error_strip_remote_error (error);
g_dbus_method_invocation_return_error (invocation,
COCKPIT_ERROR,
COCKPIT_ERROR_FAILED,
"%s", error->message);
g_error_free (error);
return TRUE;
}
cockpit_storage_block_complete_mount (object, invocation);
return TRUE;
}
int
main (int argc, char *argv[])
{
gint ret;
dev_t block_device;
UDisksClient *client;
GError *error;
struct stat statbuf;
UDisksObject *object;
UDisksFilesystem *filesystem;
GVariantBuilder builder;
ret = 1;
client = NULL;
object = NULL;
g_type_init ();
if (argc < 2 || strlen (argv[1]) == 0)
{
g_printerr ("%s: this program is only supposed to be invoked by umount(8).\n", argv[0]);
goto out;
}
if (stat (argv[1], &statbuf) < 0)
{
g_printerr ("%s: error calling stat on %s: %m\n", argv[0], argv[1]);
goto out;
}
if (S_ISBLK (statbuf.st_mode))
block_device = statbuf.st_rdev;
else
block_device = statbuf.st_dev;
error = NULL;
client = udisks_client_new_sync (NULL, /* GCancellable */
&error);
if (client == NULL)
{
g_printerr ("Error connecting to the udisks daemon: %s\n", error->message);
g_error_free (error);
goto out;
}
object = lookup_object_for_block (client, block_device);
if (object == NULL)
{
g_printerr ("Error finding object for block device %d:%d\n", major (block_device), minor (block_device));
goto out;
}
filesystem = udisks_object_peek_filesystem (object);
if (filesystem == NULL)
{
g_printerr ("Block device %d:%d is not a mountable filesystem.\n", major (block_device), minor (block_device));
goto out;
}
error = NULL;
g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
if (!udisks_filesystem_call_unmount_sync (filesystem,
g_variant_builder_end (&builder), /* options */
NULL, /* GCancellable */
&error))
{
g_printerr ("Error unmounting block device %d:%d: %s\n", major (block_device), minor (block_device), error->message);
g_error_free (error);
goto out;
}
ret = 0;
out:
if (object != NULL)
g_object_unref (object);
if (client != NULL)
g_object_unref (client);
return ret;
}
void
storage_block_update (StorageBlock *block)
{
CockpitStorageBlock *iface = COCKPIT_STORAGE_BLOCK (block);
StorageProvider *provider;
UDisksClient *udisks_client;
UDisksObject *udisks_object;
UDisksBlock *udisks_block;
UDisksPartition *udisks_partition = NULL;
UDisksPartitionTable *udisks_partition_table = NULL;
UDisksFilesystem *udisks_filesystem = NULL;
UDisksPhysicalVolume *udisks_physical_volume = NULL;
provider = storage_object_get_provider (block->object);
udisks_client = storage_provider_get_udisks_client (provider);
udisks_block = block->udisks_block;
udisks_object = (UDisksObject *)g_dbus_interface_get_object (G_DBUS_INTERFACE (udisks_block));
if (udisks_object != NULL)
{
udisks_partition = udisks_object_peek_partition (udisks_object);
udisks_partition_table = udisks_object_peek_partition_table (udisks_object);
udisks_filesystem = udisks_object_peek_filesystem (udisks_object);
udisks_physical_volume = udisks_object_peek_physical_volume (udisks_object);
}
{
gs_free gchar *d =
g_filename_display_name (udisks_block_get_preferred_device (udisks_block));
cockpit_storage_block_set_device (iface, d);
}
cockpit_storage_block_set_size (iface, udisks_block_get_size (udisks_block));
cockpit_storage_block_set_id_usage (iface, udisks_block_get_id_usage (udisks_block));
cockpit_storage_block_set_id_type (iface, udisks_block_get_id_type (udisks_block));
cockpit_storage_block_set_id_version (iface, udisks_block_get_id_version (udisks_block));
cockpit_storage_block_set_id_label (iface, udisks_block_get_id_label (udisks_block));
cockpit_storage_block_set_id_uuid (iface, udisks_block_get_id_uuid (udisks_block));
if (udisks_partition == NULL)
{
cockpit_storage_block_set_partition_number (iface, 0);
cockpit_storage_block_set_partition_table (iface, "/");
}
else
{
UDisksPartitionTable *table_for_partition;
const gchar *objpath = "/";
GDBusObject *o;
UDisksBlock *b;
StorageObject *so;
table_for_partition = udisks_client_get_partition_table (udisks_client, udisks_partition);
if (table_for_partition != NULL)
{
o = g_dbus_interface_get_object (G_DBUS_INTERFACE (table_for_partition));
if (o != NULL)
{
b = udisks_object_peek_block (UDISKS_OBJECT (o));
if (b != NULL)
{
so = storage_provider_lookup_for_udisks_block (provider, b);
if (so != NULL)
{
objpath = g_dbus_object_get_object_path (G_DBUS_OBJECT (so));
}
}
}
}
cockpit_storage_block_set_partition_table (iface, objpath);
cockpit_storage_block_set_partition_number (iface, udisks_partition_get_number (udisks_partition));
}
GVariantBuilder partitions;
g_variant_builder_init (&partitions, G_VARIANT_TYPE ("a(otts)"));
if (udisks_partition_table != NULL)
{
GList *ps, *l;
ps = udisks_client_get_partitions (udisks_client, udisks_partition_table);
for (l = ps; l != NULL; l = l->next)
{
UDisksPartition *p = UDISKS_PARTITION (l->data);
GDBusObject *o;
UDisksBlock *b;
StorageObject *so;
o = g_dbus_interface_get_object (G_DBUS_INTERFACE (p));
if (o != NULL)
{
b = udisks_object_peek_block (UDISKS_OBJECT (o));
if (b != NULL)
{
so = storage_provider_lookup_for_udisks_block (provider, b);
if (so != NULL)
{
const gchar *type = "p";
if (udisks_partition_get_is_container (p))
type = "x";
else if (udisks_partition_get_is_contained (p))
type = "l";
g_variant_builder_add (&partitions, "(otts)",
g_dbus_object_get_object_path (G_DBUS_OBJECT (so)),
udisks_partition_get_offset (p),
udisks_partition_get_size (p),
type);
}
}
}
}
g_list_free_full (ps, g_object_unref);
const gchar *type = udisks_partition_table_get_type_ (udisks_partition_table);
if (type == NULL || type[0] == '\0')
type = "unknown";
cockpit_storage_block_set_partition_table_type (iface, type);
}
else
cockpit_storage_block_set_partition_table_type (iface, "");
cockpit_storage_block_set_partitions (iface, g_variant_builder_end (&partitions));
cockpit_storage_block_set_drive
(iface, storage_provider_translate_path (provider, udisks_block_get_drive (udisks_block)));
cockpit_storage_block_set_crypto_backing_device
(iface, storage_provider_translate_path (provider, udisks_block_get_crypto_backing_device (udisks_block)));
cockpit_storage_block_set_mdraid
(iface, storage_provider_translate_path (provider, udisks_block_get_mdraid (udisks_block)));
cockpit_storage_block_set_mdraid_member
(iface, storage_provider_translate_path (provider, udisks_block_get_mdraid_member (udisks_block)));
if (udisks_filesystem)
{
const gchar *const *p = udisks_filesystem_get_mount_points (udisks_filesystem);
gchar *u[g_strv_length ((gchar **)p) + 1];
int i;
for (i = 0; p[i]; i++)
u[i] = g_filename_display_name (p[i]);
u[i] = NULL;
cockpit_storage_block_set_mounted_at (iface, (const gchar *const *)u);
for (i = 0; u[i]; i++)
g_free (u[i]);
}
GVariantIter iter;
g_variant_iter_init (&iter, udisks_block_get_configuration (udisks_block));
const gchar *type;
GVariant *details;
gboolean got_fstab = FALSE, got_crypttab = FALSE;
while (g_variant_iter_next (&iter, "(&s*)", &type, &details))
{
if (strcmp (type, "fstab") == 0 && !got_fstab)
{
got_fstab = TRUE;
const gchar *dir = variant_lookup (details, "dir");
if (dir)
{
gs_free gchar *dir_display = g_filename_display_name (dir);
cockpit_storage_block_set_mount_point (iface, dir_display);
}
const gchar *opts = variant_lookup (details, "opts");
if (opts)
{
gs_free gchar *opts_locale = g_locale_to_utf8 (opts, -1, NULL, NULL, NULL);
if (opts_locale)
cockpit_storage_block_set_mount_options (iface, opts_locale);
else
g_warning ("Can't convert fstab options into UTF8");
}
}
else if (strcmp (type, "crypttab") == 0 && !got_crypttab)
{
got_crypttab = TRUE;
const gchar *opts = variant_lookup (details, "options");
if (opts)
{
gs_free gchar *opts_locale = g_locale_to_utf8 (opts, -1, NULL, NULL, NULL);
if (opts_locale)
cockpit_storage_block_set_crypto_options (iface, opts_locale);
else
g_warning ("Can't convert crypttab options into UTF8");
}
}
g_variant_unref (details);
}
cockpit_storage_block_set_logical_volume (iface,
storage_provider_translate_path (provider,
udisks_block_get_logical_volume (udisks_block)));
if (udisks_physical_volume)
{
cockpit_storage_block_set_pv_group (iface,
storage_provider_translate_path (provider,
udisks_physical_volume_get_volume_group (udisks_physical_volume)));
cockpit_storage_block_set_pv_size (iface, udisks_physical_volume_get_size (udisks_physical_volume));
cockpit_storage_block_set_pv_free_size (iface, udisks_physical_volume_get_free_size (udisks_physical_volume));
}
else
cockpit_storage_block_set_pv_group (iface, "/");
}
/**
* udisks_linux_drive_object_is_not_in_use:
* @object: A #UDisksLinuxDriveObject.
* @cancellable: (allow-none): A #GCancellable or %NULL.
* @error: A #GError or %NULL.
*
* Checks if the drive represented by @object is in use and sets
* @error if so.
*
* Returns: %TRUE if @object is not is use, %FALSE if @error is set.
*/
gboolean
udisks_linux_drive_object_is_not_in_use (UDisksLinuxDriveObject *object,
GCancellable *cancellable,
GError **error)
{
GDBusObjectManagerServer *object_manager;
const gchar *drive_object_path;
gboolean ret = TRUE;
GList *objects = NULL;
GList *l;
g_return_val_if_fail (UDISKS_IS_LINUX_DRIVE_OBJECT (object), FALSE);
g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
drive_object_path = g_dbus_object_get_object_path (G_DBUS_OBJECT (object));
object_manager = udisks_daemon_get_object_manager (object->daemon);
objects = g_dbus_object_manager_get_objects (G_DBUS_OBJECT_MANAGER (object_manager));
/* Visit all block devices related to the drive... */
for (l = objects; l != NULL; l = l->next)
{
GDBusObjectSkeleton *iter_object = G_DBUS_OBJECT_SKELETON (l->data);
UDisksBlock *block;
UDisksFilesystem *filesystem;
if (!UDISKS_IS_LINUX_BLOCK_OBJECT (iter_object))
continue;
block = udisks_object_peek_block (UDISKS_OBJECT (iter_object));
filesystem = udisks_object_peek_filesystem (UDISKS_OBJECT (iter_object));
if (g_strcmp0 (udisks_block_get_drive (block), drive_object_path) != 0)
continue;
/* bail if block device is mounted */
if (filesystem != NULL)
{
if (g_strv_length ((gchar **) udisks_filesystem_get_mount_points (filesystem)) > 0)
{
g_set_error (error,
UDISKS_ERROR,
UDISKS_ERROR_DEVICE_BUSY,
"Device %s is mounted",
udisks_block_get_preferred_device (block));
ret = FALSE;
goto out;
}
}
/* bail if block device is unlocked (LUKS) */
if (is_block_unlocked (objects, g_dbus_object_get_object_path (G_DBUS_OBJECT (iter_object))))
{
g_set_error (error,
UDISKS_ERROR,
UDISKS_ERROR_DEVICE_BUSY,
"Encrypted device %s is unlocked",
udisks_block_get_preferred_device (block));
ret = FALSE;
goto out;
}
}
out:
g_list_free_full (objects, g_object_unref);
return ret;
}