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-rw-r--r--source4/dsdb/samdb/ldb_modules/objectclass.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/objectclass.c b/source4/dsdb/samdb/ldb_modules/objectclass.c
index 3cf252c71a..ad14acbcf8 100644
--- a/source4/dsdb/samdb/ldb_modules/objectclass.c
+++ b/source4/dsdb/samdb/ldb_modules/objectclass.c
@@ -547,7 +547,13 @@ static int objectclass_do_add(struct oc_context *ac)
if (!current->next) {
struct ldb_message_element *el;
int32_t systemFlags = 0;
- DATA_BLOB *sd;
+ const char *rdn_name = ldb_dn_get_rdn_name(msg->dn);
+ if (ldb_attr_cmp(rdn_name, current->objectclass->rDNAttID) != 0) {
+ ldb_asprintf_errstring(ldb, "RDN %s is not correct for most specific structural objectclass %s, should be %s",
+ rdn_name, current->objectclass->lDAPDisplayName, current->objectclass->rDNAttID);
+ return LDB_ERR_NAMING_VIOLATION;
+ }
+
if (!ldb_msg_find_element(msg, "objectCategory")) {
value = talloc_strdup(msg, current->objectclass->defaultObjectCategory);
if (value == NULL) {