2 files changed, 45 insertions, 22 deletions

diff --git a/source3/winbindd/idmap.c b/source3/winbindd/idmap.c
index 95ff923d0f..f0d2c03e0b 100644
--- a/source3/winbindd/idmap.c
+++ b/source3/winbindd/idmap.c
@@ -1282,6 +1282,45 @@ done:
 	return ret;
 }
 
+NTSTATUS idmap_backends_unixid_to_sid(struct id_map *id)
+{
+	struct id_map *maps[2];
+	int i;
+
+	maps[0] = id;
+	maps[1] = NULL;
+
+	for (i = num_domains-1; i>=0; i--) {
+		struct idmap_domain *dom = idmap_domains[i];
+		NTSTATUS status;
+
+		DEBUG(10, ("Query sids from domain %s\n", dom->name));
+
+		status = dom->methods->unixids_to_sids(dom, maps);
+		if (NT_STATUS_IS_OK(status)) {
+			return NT_STATUS_OK;
+		}
+	}
+
+	return NT_STATUS_NONE_MAPPED;
+}
+
+NTSTATUS idmap_backends_sid_to_unixid(struct id_map *id)
+{
+	struct idmap_domain *dom;
+	struct id_map *maps[2];
+
+	dom = find_idmap_domain_from_sid(id->sid);
+	if (dom == NULL) {
+		return NT_STATUS_NONE_MAPPED;
+	}
+
+	maps[0] = id;
+	maps[1] = NULL;
+
+	return dom->methods->sids_to_unixids(dom, maps);
+}
+
 /**************************************************************************
  idmap interface functions
 **************************************************************************/
diff --git a/source3/winbindd/idmap_util.c b/source3/winbindd/idmap_util.c
index 0d24070dd6..31b9895224 100644
--- a/source3/winbindd/idmap_util.c
+++ b/source3/winbindd/idmap_util.c
@@ -31,7 +31,6 @@ NTSTATUS idmap_uid_to_sid(DOM_SID *sid, uid_t uid)
 {
 	NTSTATUS ret;
 	struct id_map map;
-	struct id_map *maps[2];
 
 	DEBUG(10,("uid = [%lu]\n", (unsigned long)uid));
 
@@ -39,10 +38,7 @@ NTSTATUS idmap_uid_to_sid(DOM_SID *sid, uid_t uid)
 	map.xid.type = ID_TYPE_UID;
 	map.xid.id = uid;
 
-	maps[0] = ↦
-	maps[1] = NULL;
-	
-	ret = idmap_unixids_to_sids(maps);
+	ret = idmap_backends_unixid_to_sid(&map);
 	if ( ! NT_STATUS_IS_OK(ret)) {
 		DEBUG(10, ("error mapping uid [%lu]\n", (unsigned long)uid));
 		return ret;
@@ -65,7 +61,6 @@ NTSTATUS idmap_gid_to_sid(DOM_SID *sid, gid_t gid)
 {
 	NTSTATUS ret;
 	struct id_map map;
-	struct id_map *maps[2];
 
 	DEBUG(10,("gid = [%lu]\n", (unsigned long)gid));
 
@@ -73,10 +68,7 @@ NTSTATUS idmap_gid_to_sid(DOM_SID *sid, gid_t gid)
 	map.xid.type = ID_TYPE_GID;
 	map.xid.id = gid;
 
-	maps[0] = ↦
-	maps[1] = NULL;
-	
-	ret = idmap_unixids_to_sids(maps);
+	ret = idmap_backends_unixid_to_sid(&map);
 	if ( ! NT_STATUS_IS_OK(ret)) {
 		DEBUG(10, ("error mapping gid [%lu]\n", (unsigned long)gid));
 		return ret;
@@ -99,17 +91,13 @@ NTSTATUS idmap_sid_to_uid(DOM_SID *sid, uid_t *uid)
 {
 	NTSTATUS ret;
 	struct id_map map;
-	struct id_map *maps[2];
 
 	DEBUG(10,("idmap_sid_to_uid: sid = [%s]\n", sid_string_dbg(sid)));
 
 	map.sid = sid;
 	map.xid.type = ID_TYPE_UID;	
-	
-	maps[0] = ↦
-	maps[1] = NULL;
-	
-	ret = idmap_sids_to_unixids(maps);
+
+	ret = idmap_backends_sid_to_unixid(&map);
 	if ( ! NT_STATUS_IS_OK(ret)) {
 		DEBUG(10, ("error mapping sid [%s] to uid\n", 
 			   sid_string_dbg(sid)));
@@ -139,17 +127,13 @@ NTSTATUS idmap_sid_to_gid(DOM_SID *sid, gid_t *gid)
 {
 	NTSTATUS ret;
 	struct id_map map;
-	struct id_map *maps[2];
 
 	DEBUG(10,("idmap_sid_to_gid: sid = [%s]\n", sid_string_dbg(sid)));
 
 	map.sid = sid;
 	map.xid.type = ID_TYPE_GID;
-	
-	maps[0] = ↦
-	maps[1] = NULL;
-	
-	ret = idmap_sids_to_unixids(maps);
+
+	ret = idmap_backends_sid_to_unixid(&map);
 	if ( ! NT_STATUS_IS_OK(ret)) {
 		DEBUG(10, ("error mapping sid [%s] to gid\n", 
 			   sid_string_dbg(sid)));