struct dsdb_dn {
	struct ldb_dn *dn;
	DATA_BLOB extra_part;
	enum dsdb_dn_format dn_format;
	const char *oid;
};

#define DSDB_SYNTAX_BINARY_DN	"1.2.840.113556.1.4.903"
#define DSDB_SYNTAX_STRING_DN	"1.2.840.113556.1.4.904"
#define DSDB_SYNTAX_OR_NAME	"1.2.840.113556.1.4.1221"
#define DSDB_SYNTAX_ACCESS_POINT	"1.3.6.1.4.1.1466.115.121.1.2"


/* RMD_FLAGS component in a DN */
#define DSDB_RMD_FLAG_DELETED     1
/*
 * This is used on a backlink attribute
 * if the backlink is not allowed on
 * the objectClass
 */
#define DSDB_RMD_FLAG_HIDDEN_BL   2