static const char *udisks_next_dict_entry( DBusMessageIter *iter, DBusMessageIter *variant )
{
DBusMessageIter sub;
const char *name;
if (p_dbus_message_iter_get_arg_type( iter ) != DBUS_TYPE_DICT_ENTRY) return NULL;
p_dbus_message_iter_recurse( iter, &sub );
p_dbus_message_iter_next( iter );
p_dbus_message_iter_get_basic( &sub, &name );
p_dbus_message_iter_next( &sub );
p_dbus_message_iter_recurse( &sub, variant );
return name;
}
/* to make things easier, UDisks2 stores strings as array of bytes instead of strings... */
static const char *udisks2_string_from_array( DBusMessageIter *iter )
{
DBusMessageIter string;
const char *array;
int size;
p_dbus_message_iter_recurse( iter, &string );
p_dbus_message_iter_get_fixed_array( &string, &array, &size );
return array;
}
static enum device_type udisks_parse_media_compatibility( DBusMessageIter *iter )
{
DBusMessageIter media;
enum device_type drive_type = DEVICE_UNKNOWN;
p_dbus_message_iter_recurse( iter, &media );
while (p_dbus_message_iter_get_arg_type( &media ) == DBUS_TYPE_STRING)
{
const char *media_type;
p_dbus_message_iter_get_basic( &media, &media_type );
if (starts_with( media_type, "optical_dvd" ))
drive_type = DEVICE_DVD;
if (starts_with( media_type, "floppy" ))
drive_type = DEVICE_FLOPPY;
else if (starts_with( media_type, "optical_" ) && drive_type == DEVICE_UNKNOWN)
drive_type = DEVICE_CDROM;
p_dbus_message_iter_next( &media );
}
return drive_type;
}
/* UDisks2 is almost, but not quite, entirely unlike UDisks.
* It would have been easy to make it backwards compatible, but where would be the fun in that?
*/
static BOOL udisks2_add_devices( const char *changed )
{
DBusMessage *request, *reply;
DBusMessageIter dict, iter, block;
DBusError error;
const char *udi;
request = p_dbus_message_new_method_call( "org.freedesktop.UDisks2", "/org/freedesktop/UDisks2",
"org.freedesktop.DBus.ObjectManager", "GetManagedObjects" );
if (!request) return FALSE;
p_dbus_error_init( &error );
reply = p_dbus_connection_send_with_reply_and_block( connection, request, udisks_timeout, &error );
p_dbus_message_unref( request );
if (!reply)
{
WARN( "failed: %s\n", error.message );
p_dbus_error_free( &error );
return FALSE;
}
p_dbus_error_free( &error );
p_dbus_message_iter_init( reply, &dict );
if (p_dbus_message_iter_get_arg_type( &dict ) == DBUS_TYPE_ARRAY)
{
p_dbus_message_iter_recurse( &dict, &iter );
while ((udi = udisks_next_dict_entry( &iter, &block )))
{
if (!starts_with( udi, "/org/freedesktop/UDisks2/block_devices/" )) continue;
if (changed && strcmp( changed, udi )) continue;
udisks2_add_device( udi, &dict, &block );
}
}
else WARN( "unexpected args in GetManagedObjects reply\n" );
p_dbus_message_unref( reply );
return TRUE;
}
/* find the drive entry in the dictionary and get its parameters */
static void udisks2_get_drive_info( const char *drive_name, DBusMessageIter *dict,
enum device_type *drive_type, int *removable )
{
DBusMessageIter iter, drive, variant;
const char *name;
p_dbus_message_iter_recurse( dict, &iter );
while ((name = udisks_next_dict_entry( &iter, &drive )))
{
if (strcmp( name, drive_name )) continue;
while ((name = udisks_next_dict_entry( &drive, &iter )))
{
if (strcmp( name, "org.freedesktop.UDisks2.Drive" )) continue;
while ((name = udisks_next_dict_entry( &iter, &variant )))
{
if (!strcmp( name, "Removable" ))
p_dbus_message_iter_get_basic( &variant, removable );
else if (!strcmp( name, "MediaCompatibility" ))
*drive_type = udisks_parse_media_compatibility( &variant );
}
}
}
}
/* UDisks callback for new device */
static void udisks_new_device( const char *udi )
{
static const char *dev_name = "org.freedesktop.UDisks.Device";
DBusMessage *request, *reply;
DBusMessageIter iter, variant;
DBusError error;
const char *device = NULL;
const char *mount_point = NULL;
const char *type = NULL;
GUID guid, *guid_ptr = NULL;
int removable = FALSE;
enum device_type drive_type = DEVICE_UNKNOWN;
request = p_dbus_message_new_method_call( "org.freedesktop.UDisks", udi,
"org.freedesktop.DBus.Properties", "GetAll" );
if (!request) return;
p_dbus_message_iter_init_append( request, &iter );
p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &dev_name );
p_dbus_error_init( &error );
reply = p_dbus_connection_send_with_reply_and_block( connection, request, -1, &error );
p_dbus_message_unref( request );
if (!reply)
{
WARN( "failed: %s\n", error.message );
p_dbus_error_free( &error );
return;
}
p_dbus_error_free( &error );
p_dbus_message_iter_init( reply, &iter );
if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_ARRAY)
{
const char *name;
p_dbus_message_iter_recurse( &iter, &iter );
while ((name = udisks_next_dict_entry( &iter, &variant )))
{
if (!strcmp( name, "DeviceFile" ))
p_dbus_message_iter_get_basic( &variant, &device );
else if (!strcmp( name, "DeviceIsRemovable" ))
p_dbus_message_iter_get_basic( &variant, &removable );
else if (!strcmp( name, "IdType" ))
p_dbus_message_iter_get_basic( &variant, &type );
else if (!strcmp( name, "DriveMediaCompatibility" ))
{
DBusMessageIter media;
p_dbus_message_iter_recurse( &variant, &media );
while (p_dbus_message_iter_get_arg_type( &media ) == DBUS_TYPE_STRING)
{
const char *media_type;
p_dbus_message_iter_get_basic( &media, &media_type );
if (!strncmp( media_type, "optical_dvd", 11 ))
drive_type = DEVICE_DVD;
if (!strncmp( media_type, "floppy", 6 ))
drive_type = DEVICE_FLOPPY;
else if (!strncmp( media_type, "optical_", 8 ) && drive_type == DEVICE_UNKNOWN)
drive_type = DEVICE_CDROM;
p_dbus_message_iter_next( &media );
}
}
else if (!strcmp( name, "DeviceMountPaths" ))
{
DBusMessageIter paths;
p_dbus_message_iter_recurse( &variant, &paths );
if (p_dbus_message_iter_get_arg_type( &paths ) == DBUS_TYPE_STRING)
p_dbus_message_iter_get_basic( &paths, &mount_point );
}
else if (!strcmp( name, "IdUuid" ))
{
char *uuid_str;
p_dbus_message_iter_get_basic( &variant, &uuid_str );
guid_ptr = parse_uuid( &guid, uuid_str );
}
}
}
TRACE( "udi %s device %s mount point %s uuid %s type %s removable %u\n",
debugstr_a(udi), debugstr_a(device), debugstr_a(mount_point),
debugstr_guid(guid_ptr), debugstr_a(type), removable );
if (type)
{
if (!strcmp( type, "iso9660" ))
{
removable = TRUE;
drive_type = DEVICE_CDROM;
}
else if (!strcmp( type, "udf" ))
{
removable = TRUE;
drive_type = DEVICE_DVD;
}
}
if (device)
{
if (removable) add_dos_device( -1, udi, device, mount_point, drive_type, guid_ptr );
else if (guid_ptr) add_volume( udi, device, mount_point, DEVICE_HARDDISK_VOL, guid_ptr );
}
p_dbus_message_unref( reply );
}
static void udisks2_add_device( const char *udi, DBusMessageIter *dict, DBusMessageIter *block )
{
DBusMessageIter iter, variant, paths, string;
const char *device = NULL;
const char *mount_point = NULL;
const char *type = NULL;
const char *drive = NULL;
GUID guid, *guid_ptr = NULL;
const char *iface, *name;
int removable = FALSE;
enum device_type drive_type = DEVICE_UNKNOWN;
while ((iface = udisks_next_dict_entry( block, &iter )))
{
if (!strcmp( iface, "org.freedesktop.UDisks2.Filesystem" ))
{
while ((name = udisks_next_dict_entry( &iter, &variant )))
{
if (!strcmp( name, "MountPoints" ))
{
p_dbus_message_iter_recurse( &variant, &paths );
if (p_dbus_message_iter_get_arg_type( &paths ) == DBUS_TYPE_ARRAY)
{
p_dbus_message_iter_recurse( &variant, &string );
mount_point = udisks2_string_from_array( &string );
}
}
}
}
if (!strcmp( iface, "org.freedesktop.UDisks2.Block" ))
{
while ((name = udisks_next_dict_entry( &iter, &variant )))
{
if (!strcmp( name, "Device" ))
device = udisks2_string_from_array( &variant );
else if (!strcmp( name, "IdType" ))
p_dbus_message_iter_get_basic( &variant, &type );
else if (!strcmp( name, "Drive" ))
{
p_dbus_message_iter_get_basic( &variant, &drive );
udisks2_get_drive_info( drive, dict, &drive_type, &removable );
}
else if (!strcmp( name, "IdUUID" ))
{
const char *uuid_str;
if (p_dbus_message_iter_get_arg_type( &variant ) == DBUS_TYPE_ARRAY)
uuid_str = udisks2_string_from_array( &variant );
else
p_dbus_message_iter_get_basic( &variant, &uuid_str );
guid_ptr = parse_uuid( &guid, uuid_str );
}
}
}
}
TRACE( "udi %s device %s mount point %s uuid %s type %s removable %u\n",
debugstr_a(udi), debugstr_a(device), debugstr_a(mount_point),
debugstr_guid(guid_ptr), debugstr_a(type), removable );
if (type)
{
if (!strcmp( type, "iso9660" ))
{
removable = TRUE;
drive_type = DEVICE_CDROM;
}
else if (!strcmp( type, "udf" ))
{
removable = TRUE;
drive_type = DEVICE_DVD;
}
}
if (device)
{
if (removable) add_dos_device( -1, udi, device, mount_point, drive_type, guid_ptr );
else if (guid_ptr) add_volume( udi, device, mount_point, DEVICE_HARDDISK_VOL, guid_ptr );
}
}