schema_fsmo: prepare auto allocation of schema oid prefixes

This implements the logic in the schema_fsmo_add() function,
but it only calls a dummy dsdb_create_prefix_mapping() yet.

metze
(This used to be commit 9018b85e834de6714a78304ba1c7018838e30a61)

1 files changed, 23 insertions, 0 deletions

diff --git a/source4/dsdb/schema/schema_init.c b/source4/dsdb/schema/schema_init.c
index 6f8958dab8..9c70e9b7c8 100644
--- a/source4/dsdb/schema/schema_init.c
+++ b/source4/dsdb/schema/schema_init.c
@@ -334,6 +334,29 @@ WERROR dsdb_map_int2oid(const struct dsdb_schema *schema, uint32_t in, TALLOC_CT
 	return WERR_DS_NO_MSDS_INTID;
 }
 
+/*
+ * this function is called from within a ldb transaction from the schema_fsmo module
+ */
+WERROR dsdb_create_prefix_mapping(struct ldb_context *ldb, struct dsdb_schema *schema, const char *full_oid)
+{
+	/*
+	 * TODO:
+	 *	- (maybe) read the old prefixMap attribute and parse it
+	 *
+	 *	- recheck the prefix doesn't exist (because the ldb
+	 *	  has maybe a more uptodate value than schem->prefixes
+	 *
+	 *	- calculate a new mapping for the oid prefix of full_oid
+	 *	- store the new prefixMap attribute
+	 *
+	 *	- (maybe) update schema->prefixes
+	 *	or
+	 *	- better find a way to indicate a schema reload,
+	 *	  so that other processes also notice the schema change
+	 */
+	return WERR_NOT_SUPPORTED;
+}
+
 #define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \
 	(p)->elem = samdb_result_string(msg, attr, NULL);\
 	if (strict && (p)->elem == NULL) { \