1 files changed, 19 insertions, 14 deletions
diff --git a/source3/groupdb/mapping.h b/source3/groupdb/mapping.h
index 9daaa7fdd7..29e8ad5ffa 100644
--- a/source3/groupdb/mapping.h
+++ b/source3/groupdb/mapping.h
@@ -10,17 +10,22 @@
  */
 #define MEMBEROF_PREFIX "MEMBEROF/"
 
-/* internal prototypes */
-BOOL enum_group_mapping(const DOM_SID *domsid, enum lsa_SidType sid_name_use, GROUP_MAP **pp_rmap,
-			size_t *p_num_entries, BOOL unix_only);
-BOOL group_map_remove(const DOM_SID *sid);
-BOOL init_group_mapping(void);
-NTSTATUS one_alias_membership(const DOM_SID *member,
-			      DOM_SID **sids, size_t *num);
-BOOL get_group_map_from_sid(DOM_SID sid, GROUP_MAP *map);
-BOOL get_group_map_from_gid(gid_t gid, GROUP_MAP *map);
-BOOL get_group_map_from_ntname(const char *name, GROUP_MAP *map);
-BOOL add_mapping_entry(GROUP_MAP *map, int flag);
-NTSTATUS add_aliasmem(const DOM_SID *alias, const DOM_SID *member);
-NTSTATUS del_aliasmem(const DOM_SID *alias, const DOM_SID *member);
-NTSTATUS enum_aliasmem(const DOM_SID *alias, DOM_SID **sids, size_t *num);
+/*
+  groupdb mapping backend abstraction
+ */
+struct mapping_backend {
+	BOOL (*init_group_mapping)(void);
+	BOOL (*add_mapping_entry)(GROUP_MAP *map, int flag);
+	BOOL (*get_group_map_from_sid)(DOM_SID sid, GROUP_MAP *map);
+	BOOL (*get_group_map_from_gid)(gid_t gid, GROUP_MAP *map);
+	BOOL (*get_group_map_from_ntname)(const char *name, GROUP_MAP *map);
+	BOOL (*group_map_remove)(const DOM_SID *sid);
+	BOOL (*enum_group_mapping)(const DOM_SID *domsid, enum lsa_SidType sid_name_use, 
+				   GROUP_MAP **pp_rmap,
+				   size_t *p_num_entries, BOOL unix_only);
+	NTSTATUS (*one_alias_membership)(const DOM_SID *member,
+					 DOM_SID **sids, size_t *num);
+	NTSTATUS (*add_aliasmem)(const DOM_SID *alias, const DOM_SID *member);
+	NTSTATUS (*del_aliasmem)(const DOM_SID *alias, const DOM_SID *member);
+	NTSTATUS (*enum_aliasmem)(const DOM_SID *alias, DOM_SID **sids, size_t *num);
+};