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-rw-r--r--source4/dsdb/samdb/ldb_modules/objectclass.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/objectclass.c b/source4/dsdb/samdb/ldb_modules/objectclass.c
index e863d481a0..5e3226a037 100644
--- a/source4/dsdb/samdb/ldb_modules/objectclass.c
+++ b/source4/dsdb/samdb/ldb_modules/objectclass.c
@@ -840,6 +840,31 @@ static int objectclass_modify(struct ldb_module *module, struct ldb_request *req
oc_changes = true;
}
+ /* MS-ADTS 3.1.1.5.3.5 - on a forest level < 2003 we do allow updates
+ * only on application NCs - not on the standard DCs */
+ if (oc_changes &&
+ (dsdb_forest_functional_level(ldb) < DS_DOMAIN_FUNCTION_2003)) {
+ int cnt = samdb_search_count(ldb, ac,
+ ldb_get_default_basedn(ldb),
+ "(distinguishedName=%s)",
+ ldb_dn_get_linearized(req->op.mod.message->dn));
+ if (cnt == 0) {
+ cnt = samdb_search_count(ldb, ac,
+ ldb_get_config_basedn(ldb),
+ "(distinguishedName=%s)",
+ ldb_dn_get_linearized(req->op.mod.message->dn));
+ }
+ if (cnt == 0) {
+ cnt = samdb_search_count(ldb, ac,
+ ldb_get_schema_basedn(ldb),
+ "(distinguishedName=%s)",
+ ldb_dn_get_linearized(req->op.mod.message->dn));
+ }
+ if (cnt != 0) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ }
+
ret = ldb_build_mod_req(&down_req, ldb, ac,
msg,
req->controls, ac,