static void udisks_client_get_object_info_for_drive (UDisksClient *client, UDisksDrive *drive, UDisksPartition *partition, UDisksObjectInfo *info) { const gchar *vendor; const gchar *model; const gchar *media; const gchar *const *media_compat; gboolean media_available; gboolean media_removable; gint rotation_rate; guint64 size; gchar *size_str; guint n; GString *desc_str; DriveType desc_type; gchar *hyphenated_connection_bus; const gchar *connection_bus; UDisksBlock *block = NULL; gchar *s; const gchar *cs; UDisksBlock *block_for_partition = NULL; g_return_if_fail (UDISKS_IS_DRIVE (drive)); size_str = NULL; vendor = udisks_drive_get_vendor (drive); model = udisks_drive_get_model (drive); size = udisks_drive_get_size (drive); media_removable = udisks_drive_get_media_removable (drive); media_available = udisks_drive_get_media_available (drive); rotation_rate = udisks_drive_get_rotation_rate (drive); if (size > 0) size_str = udisks_client_get_size_for_display (client, size, FALSE, FALSE); media = udisks_drive_get_media (drive); media_compat = udisks_drive_get_media_compatibility (drive); connection_bus = udisks_drive_get_connection_bus (drive); if (strlen (connection_bus) > 0) hyphenated_connection_bus = g_strdup_printf ("-%s", connection_bus); else hyphenated_connection_bus = g_strdup (""); /* Name is easy - that's just "$vendor $model" */ if (strlen (vendor) == 0) vendor = NULL; if (strlen (model) == 0) model = NULL; info->name = g_strdup_printf ("%s%s%s", vendor != NULL ? vendor : "", vendor != NULL ? " " : "", model != NULL ? model : ""); desc_type = DRIVE_TYPE_UNSET; desc_str = g_string_new (NULL); for (n = 0; n < G_N_ELEMENTS (media_data) - 1; n++) { /* media_compat */ if (strv_has (media_compat, media_data[n].id)) { if (info->icon == NULL) info->icon = g_themed_icon_new_with_default_fallbacks (media_data[n].drive_icon); if (info->icon_symbolic == NULL) info->icon_symbolic = g_themed_icon_new_with_default_fallbacks (media_data[n].drive_icon_symbolic); if (strstr (desc_str->str, media_data[n].media_family) == NULL) { if (desc_str->len > 0) g_string_append (desc_str, "/"); g_string_append (desc_str, g_dpgettext2 (GETTEXT_PACKAGE, "media-type", media_data[n].media_family)); } desc_type = media_data[n].media_type; } if (media_removable && media_available) { /* media */ if (g_strcmp0 (media, media_data[n].id) == 0) { if (info->media_description == NULL) { switch (media_data[n].media_type) { case DRIVE_TYPE_UNSET: g_assert_not_reached (); break; case DRIVE_TYPE_DRIVE: /* Translators: Used to describe drive without removable media. The %s is the type, e.g. 'Thumb' */ info->media_description = g_strdup_printf (C_("drive-with-fixed-media", "%s Drive"), g_dpgettext2 (GETTEXT_PACKAGE, "media-type", media_data[n].media_name)); break; case DRIVE_TYPE_DISK: /* Translators: Used to describe generic media. The %s is the type, e.g. 'Zip' or 'Floppy' */ info->media_description = g_strdup_printf (C_("drive-with-generic-media", "%s Disk"), g_dpgettext2 (GETTEXT_PACKAGE, "media-type", media_data[n].media_name)); break; case DRIVE_TYPE_CARD: /* Translators: Used to describe flash media. The %s is the type, e.g. 'SD' or 'CompactFlash' */ info->media_description = g_strdup_printf (C_("flash-media", "%s Card"), g_dpgettext2 (GETTEXT_PACKAGE, "media-type", media_data[n].media_name)); break; case DRIVE_TYPE_DISC: /* Translators: Used to describe optical discs. The %s is the type, e.g. 'CD-R' or 'DVD-ROM' */ info->media_description = g_strdup_printf (C_("optical-media", "%s Disc"), g_dpgettext2 (GETTEXT_PACKAGE, "media-type", media_data[n].media_name)); break; } } if (info->media_icon == NULL) info->media_icon = g_themed_icon_new_with_default_fallbacks (media_data[n].media_icon); if (info->media_icon_symbolic == NULL) info->media_icon_symbolic = g_themed_icon_new_with_default_fallbacks (media_data[n].media_icon_symbolic); } } } switch (desc_type) { case DRIVE_TYPE_UNSET: if (media_removable) { if (size_str != NULL) { /* Translators: Used to describe a drive. The %s is the size, e.g. '20 GB' */ info->description = g_strdup_printf (C_("drive-with-size", "%s Drive"), size_str); } else { /* Translators: Used to describe a drive we know very little about (removable media or size not known) */ info->description = g_strdup (C_("generic-drive", "Drive")); } } else { if (rotation_rate == 0) { if (size_str != NULL) { /* Translators: Used to describe a non-rotating drive (rotation rate either unknown * or it's a solid-state drive). The %s is the size, e.g. '20 GB'. */ info->description = g_strdup_printf (C_("disk-non-rotational", "%s Disk"), size_str); } else { /* Translators: Used to describe a non-rotating drive (rotation rate either unknown * or it's a solid-state drive). The drive is either using removable media or its * size not known. */ info->description = g_strdup (C_("disk-non-rotational", "Disk")); } } else { if (size_str != NULL) { /* Translators: Used to describe a hard-disk drive (HDD). The %s is the size, e.g. '20 GB'. */ info->description = g_strdup_printf (C_("disk-hdd", "%s Hard Disk"), size_str); } else { /* Translators: Used to describe a hard-disk drive (HDD) (removable media or size not known) */ info->description = g_strdup (C_("disk-hdd", "Hard Disk")); } } } break; case DRIVE_TYPE_CARD: /* Translators: Used to describe a card reader. The %s is the card type e.g. 'CompactFlash'. */ info->description = g_strdup_printf (C_("drive-card-reader", "%s Card Reader"), desc_str->str); break; case DRIVE_TYPE_DRIVE: /* explicit fall-through */ case DRIVE_TYPE_DISK: /* explicit fall-through */ case DRIVE_TYPE_DISC: if (!media_removable && size_str != NULL) { /* Translators: Used to describe drive. The first %s is the size e.g. '20 GB' and the * second %s is the drive type e.g. 'Thumb'. */ info->description = g_strdup_printf (C_("drive-with-size-and-type", "%s %s Drive"), size_str, desc_str->str); } else { /* Translators: Used to describe drive. The first %s is the drive type e.g. 'Thumb'. */ info->description = g_strdup_printf (C_("drive-with-type", "%s Drive"), desc_str->str); } break; } g_string_free (desc_str, TRUE); /* fallback for icon */ if (info->icon == NULL) { if (media_removable) { s = g_strdup_printf ("drive-removable-media%s", hyphenated_connection_bus); } else { if (rotation_rate == 0) s = g_strdup_printf ("drive-harddisk-solidstate%s", hyphenated_connection_bus); else s = g_strdup_printf ("drive-harddisk%s", hyphenated_connection_bus); } info->icon = g_themed_icon_new_with_default_fallbacks (s); g_free (s); } /* fallback for icon_symbolic */ if (info->icon_symbolic == NULL) { if (media_removable) { s = g_strdup_printf ("drive-removable-media%s-symbolic", hyphenated_connection_bus); } else { if (rotation_rate == 0) s = g_strdup_printf ("drive-harddisk-solidstate%s-symbolic", hyphenated_connection_bus); else s = g_strdup_printf ("drive-harddisk%s-symbolic", hyphenated_connection_bus); } info->icon_symbolic = g_themed_icon_new_with_default_fallbacks (s); g_free (s); } /* fallback for media_icon */ if (media_removable && media_available && info->media_icon == NULL) { if (media_removable) { s = g_strdup_printf ("drive-removable-media%s", hyphenated_connection_bus); } else { if (rotation_rate == 0) s = g_strdup_printf ("drive-harddisk-solidstate%s", hyphenated_connection_bus); else s = g_strdup_printf ("drive-harddisk%s", hyphenated_connection_bus); } info->media_icon = g_themed_icon_new_with_default_fallbacks (s); g_free (s); } /* fallback for media_icon_symbolic */ if (media_removable && media_available && info->media_icon_symbolic == NULL) { if (media_removable) { s = g_strdup_printf ("drive-removable-media%s-symbolic", hyphenated_connection_bus); } else { if (rotation_rate == 0) s = g_strdup_printf ("drive-harddisk-solidstate%s-symbolic", hyphenated_connection_bus); else s = g_strdup_printf ("drive-harddisk%s-symbolic", hyphenated_connection_bus); } info->media_icon_symbolic = g_themed_icon_new_with_default_fallbacks (s); g_free (s); } /* prepend a qualifier to the media description, based on the disc state */ if (udisks_drive_get_optical_blank (drive)) { /* Translators: String used for a blank disc. The %s is the disc type e.g. "CD-RW Disc" */ s = g_strdup_printf (C_("optical-media", "Blank %s"), info->media_description); g_free (info->media_description); info->media_description = s; } else if (udisks_drive_get_optical_num_audio_tracks (drive) > 0 && udisks_drive_get_optical_num_data_tracks (drive) > 0) { /* Translators: String used for a mixed disc. The %s is the disc type e.g. "CD-ROM Disc" */ s = g_strdup_printf (C_("optical-media", "Mixed %s"), info->media_description); g_free (info->media_description); info->media_description = s; } else if (udisks_drive_get_optical_num_audio_tracks (drive) > 0 && udisks_drive_get_optical_num_data_tracks (drive) == 0) { /* Translators: String used for an audio disc. The %s is the disc type e.g. "CD-ROM Disc" */ s = g_strdup_printf (C_("optical-media", "Audio %s"), info->media_description); g_free (info->media_description); info->media_description = s; } /* Apply UDISKS_NAME, UDISKS_ICON_NAME, UDISKS_SYMBOLIC_ICON_NAME hints, if available */ block = udisks_client_get_block_for_drive (client, drive, TRUE); if (block != NULL) { cs = udisks_block_get_hint_name (block); if (cs != NULL && strlen (cs) > 0) { g_free (info->description); g_free (info->media_description); info->description = g_strdup (cs); info->media_description = g_strdup (cs); } cs = udisks_block_get_hint_icon_name (block); if (cs != NULL && strlen (cs) > 0) { g_clear_object (&info->icon); g_clear_object (&info->media_icon); info->icon = g_themed_icon_new_with_default_fallbacks (cs); info->media_icon = g_themed_icon_new_with_default_fallbacks (cs); } cs = udisks_block_get_hint_symbolic_icon_name (block); if (cs != NULL && strlen (cs) > 0) { g_clear_object (&info->icon_symbolic); g_clear_object (&info->media_icon_symbolic); info->icon_symbolic = g_themed_icon_new_with_default_fallbacks (cs); info->media_icon_symbolic = g_themed_icon_new_with_default_fallbacks (cs); } } if (partition != NULL) { GDBusObject *object_for_partition; object_for_partition = g_dbus_interface_get_object (G_DBUS_INTERFACE (partition)); if (object_for_partition != NULL) block_for_partition = udisks_object_peek_block (UDISKS_OBJECT (object_for_partition)); } if (block_for_partition == NULL) block_for_partition = block; if (partition != NULL) { /* Translators: Used to describe a partition of a drive. * The %d is the partition number. * The %s is the description for the drive (e.g. "2 GB Thumb Drive"). */ s = g_strdup_printf (C_("part-drive", "Partition %d of %s"), udisks_partition_get_number (partition), info->description); g_free (info->description); info->description = s; } /* calculate and set one-liner */ if (block != NULL) { const gchar *drive_revision = udisks_drive_get_revision (drive); if (strlen (drive_revision) > 0) { /* Translators: String used for one-liner description of drive. * The first %s is the description of the object (e.g. "80 GB Disk" or "Partition 2 of 2 GB Thumb Drive"). * The second %s is the name of the object (e.g. "INTEL SSDSA2MH080G1GC"). * The third %s is the fw revision (e.g "45ABX21"). * The fourth %s is the special device file (e.g. "/dev/sda"). */ info->one_liner = g_strdup_printf (C_("one-liner-drive", "%s — %s [%s] (%s)"), info->description, info->name, drive_revision, udisks_block_get_preferred_device (block_for_partition)); } else { /* Translators: String used for one-liner description of drive w/o known fw revision. * The first %s is the description of the object (e.g. "80 GB Disk"). * The second %s is the name of the object (e.g. "INTEL SSDSA2MH080G1GC"). * The third %s is the special device file (e.g. "/dev/sda"). */ info->one_liner = g_strdup_printf (C_("one-liner-drive", "%s — %s (%s)"), info->description, info->name, udisks_block_get_preferred_device (block_for_partition)); } } g_free (hyphenated_connection_bus); g_free (size_str); info->sort_key = g_strdup_printf ("00_drive_%s", udisks_drive_get_sort_key (drive)); g_clear_object (&block); }
/** * udisks_daemon_util_check_authorization_sync: * @daemon: A #UDisksDaemon. * @object: (allow-none): The #GDBusObject that the call is on or %NULL. * @action_id: The action id to check for. * @options: (allow-none): A #GVariant to check for the <quote>auth.no_user_interaction</quote> option or %NULL. * @message: The message to convey (use N_). * @invocation: The invocation to check for. * * Checks if the caller represented by @invocation is authorized for * the action identified by @action_id, optionally displaying @message * if authentication is needed. Additionally, if the caller is not * authorized, the appropriate error is already returned to the caller * via @invocation. * * The calling thread is blocked for the duration of the authorization * check which could be a very long time since it may involve * presenting an authentication dialog and having a human user use * it. If <quote>auth.no_user_interaction</quote> in @options is %TRUE * no authentication dialog will be presented and the check is not * expected to take a long time. * * See <xref linkend="udisks-polkit-details"/> for the variables that * can be used in @message but note that not all variables can be used * in all checks. For example, any check involving a #UDisksDrive or a * #UDisksBlock object can safely include the fragment * <quote>$(drive)</quote> since it will always expand to the name of * the drive, e.g. <quote>INTEL SSDSA2MH080G1GC (/dev/sda1)</quote> or * the block device file e.g. <quote>/dev/vg_lucifer/lv_root</quote> * or <quote>/dev/sda1</quote>. However this won't work for operations * that isn't on a drive or block device, for example calls on the * <link linkend="gdbus-interface-org-freedesktop-UDisks2-Manager.top_of_page">Manager</link> * object. * * Returns: %TRUE if caller is authorized, %FALSE if not. */ gboolean udisks_daemon_util_check_authorization_sync (UDisksDaemon *daemon, UDisksObject *object, const gchar *action_id, GVariant *options, const gchar *message, GDBusMethodInvocation *invocation) { PolkitAuthority *authority = NULL; PolkitSubject *subject = NULL; PolkitDetails *details = NULL; PolkitCheckAuthorizationFlags flags = POLKIT_CHECK_AUTHORIZATION_FLAGS_NONE; PolkitAuthorizationResult *result = NULL; GError *error = NULL; gboolean ret = FALSE; UDisksBlock *block = NULL; UDisksDrive *drive = NULL; UDisksPartition *partition = NULL; UDisksObject *block_object = NULL; UDisksObject *drive_object = NULL; gboolean auth_no_user_interaction = FALSE; const gchar *details_device = NULL; gchar *details_drive = NULL; authority = udisks_daemon_get_authority (daemon); if (authority == NULL) { ret = check_authorization_no_polkit (daemon, object, action_id, options, message, invocation); goto out; } subject = polkit_system_bus_name_new (g_dbus_method_invocation_get_sender (invocation)); if (options != NULL) { g_variant_lookup (options, "auth.no_user_interaction", "b", &auth_no_user_interaction); } if (!auth_no_user_interaction) flags = POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION; details = polkit_details_new (); polkit_details_insert (details, "polkit.message", message); polkit_details_insert (details, "polkit.gettext_domain", "udisks2"); /* Find drive associated with the block device, if any */ if (object != NULL) { block = udisks_object_get_block (object); if (block != NULL) { block_object = g_object_ref (object); drive_object = udisks_daemon_find_object (daemon, udisks_block_get_drive (block)); if (drive_object != NULL) drive = udisks_object_get_drive (drive_object); } partition = udisks_object_get_partition (object); if (drive == NULL) drive = udisks_object_get_drive (object); } if (block != NULL) details_device = udisks_block_get_preferred_device (block); /* If we have a drive, use vendor/model in the message (in addition to Block:preferred-device) */ if (drive != NULL) { gchar *s; const gchar *vendor; const gchar *model; vendor = udisks_drive_get_vendor (drive); model = udisks_drive_get_model (drive); if (vendor == NULL) vendor = ""; if (model == NULL) model = ""; if (strlen (vendor) > 0 && strlen (model) > 0) s = g_strdup_printf ("%s %s", vendor, model); else if (strlen (vendor) > 0) s = g_strdup (vendor); else s = g_strdup (model); if (block != NULL) { details_drive = g_strdup_printf ("%s (%s)", s, udisks_block_get_preferred_device (block)); } else { details_drive = s; s = NULL; } g_free (s); _safe_polkit_details_insert (details, "drive.wwn", udisks_drive_get_wwn (drive)); _safe_polkit_details_insert (details, "drive.serial", udisks_drive_get_serial (drive)); _safe_polkit_details_insert (details, "drive.vendor", udisks_drive_get_vendor (drive)); _safe_polkit_details_insert (details, "drive.model", udisks_drive_get_model (drive)); _safe_polkit_details_insert (details, "drive.revision", udisks_drive_get_revision (drive)); if (udisks_drive_get_removable (drive)) { const gchar *const *media_compat; GString *media_compat_str; const gchar *sep = ","; polkit_details_insert (details, "drive.removable", "true"); _safe_polkit_details_insert (details, "drive.removable.bus", udisks_drive_get_connection_bus (drive)); media_compat_str = g_string_new (NULL); media_compat = udisks_drive_get_media_compatibility (drive); if (media_compat) { guint i; for (i = 0; media_compat[i] && strlen(media_compat[i]); i++) { if (i) g_string_append (media_compat_str, sep); g_string_append (media_compat_str, media_compat[i]); } } _safe_polkit_details_insert (details, "drive.removable.media", media_compat_str->str); g_string_free (media_compat_str, TRUE); } } if (block != NULL) { _safe_polkit_details_insert (details, "id.type", udisks_block_get_id_type (block)); _safe_polkit_details_insert (details, "id.usage", udisks_block_get_id_usage (block)); _safe_polkit_details_insert (details, "id.version", udisks_block_get_id_version (block)); _safe_polkit_details_insert (details, "id.label", udisks_block_get_id_label (block)); _safe_polkit_details_insert (details, "id.uuid", udisks_block_get_id_uuid (block)); } if (partition != NULL) { _safe_polkit_details_insert_int (details, "partition.number", udisks_partition_get_number (partition)); _safe_polkit_details_insert (details, "partition.type", udisks_partition_get_type_ (partition)); _safe_polkit_details_insert_uint64 (details, "partition.flags", udisks_partition_get_flags (partition)); _safe_polkit_details_insert (details, "partition.name", udisks_partition_get_name (partition)); _safe_polkit_details_insert (details, "partition.uuid", udisks_partition_get_uuid (partition)); } /* Fall back to Block:preferred-device */ if (details_drive == NULL && block != NULL) details_drive = udisks_block_dup_preferred_device (block); if (details_device != NULL) polkit_details_insert (details, "device", details_device); if (details_drive != NULL) polkit_details_insert (details, "drive", details_drive); error = NULL; result = polkit_authority_check_authorization_sync (authority, subject, action_id, details, flags, NULL, /* GCancellable* */ &error); if (result == NULL) { if (error->domain != POLKIT_ERROR) { /* assume polkit authority is not available (e.g. could be the service * manager returning org.freedesktop.systemd1.Masked) */ g_error_free (error); ret = check_authorization_no_polkit (daemon, object, action_id, options, message, invocation); } else { g_dbus_method_invocation_return_error (invocation, UDISKS_ERROR, UDISKS_ERROR_FAILED, "Error checking authorization: %s (%s, %d)", error->message, g_quark_to_string (error->domain), error->code); g_error_free (error); } goto out; } if (!polkit_authorization_result_get_is_authorized (result)) { if (polkit_authorization_result_get_dismissed (result)) g_dbus_method_invocation_return_error_literal (invocation, UDISKS_ERROR, UDISKS_ERROR_NOT_AUTHORIZED_DISMISSED, "The authentication dialog was dismissed"); else g_dbus_method_invocation_return_error_literal (invocation, UDISKS_ERROR, polkit_authorization_result_get_is_challenge (result) ? UDISKS_ERROR_NOT_AUTHORIZED_CAN_OBTAIN : UDISKS_ERROR_NOT_AUTHORIZED, "Not authorized to perform operation"); goto out; } ret = TRUE; out: g_free (details_drive); g_clear_object (&block_object); g_clear_object (&drive_object); g_clear_object (&block); g_clear_object (&partition); g_clear_object (&drive); g_clear_object (&subject); g_clear_object (&details); g_clear_object (&result); return ret; }