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-rw-r--r--source4/dsdb/samdb/ldb_modules/extended_dn_in.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/extended_dn_in.c b/source4/dsdb/samdb/ldb_modules/extended_dn_in.c
index 3e2004d6f3..e2bb0de054 100644
--- a/source4/dsdb/samdb/ldb_modules/extended_dn_in.c
+++ b/source4/dsdb/samdb/ldb_modules/extended_dn_in.c
@@ -103,6 +103,18 @@ static int extended_base_callback(struct ldb_request *req, struct ldb_reply *are
switch (ares->type) {
case LDB_REPLY_ENTRY:
+ if (ac->basedn) {
+ /* we have more than one match! This can
+ happen as S-1-5-17 appears twice in a
+ normal provision. We need to return
+ NO_SUCH_OBJECT */
+ const char *str = talloc_asprintf(req, "Duplicate base-DN matches found for '%s'",
+ ldb_dn_get_extended_linearized(req, ac->req->op.search.base, 1));
+ ldb_set_errstring(ldb_module_get_ctx(ac->module), str);
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_NO_SUCH_OBJECT);
+ }
+
if (!ac->wellknown_object) {
ac->basedn = talloc_steal(ac, ares->message->dn);
break;