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-rw-r--r--source4/dsdb/samdb/ldb_modules/objectclass.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/objectclass.c b/source4/dsdb/samdb/ldb_modules/objectclass.c
index fd39937bc9..7ae90d353a 100644
--- a/source4/dsdb/samdb/ldb_modules/objectclass.c
+++ b/source4/dsdb/samdb/ldb_modules/objectclass.c
@@ -1419,6 +1419,7 @@ static int objectclass_delete(struct ldb_module *module, struct ldb_request *req
{
static const char * const attrs[] = { "nCName", "objectClass",
"systemFlags",
+ "isDeleted",
"isCriticalSystemObject", NULL };
struct ldb_context *ldb;
struct ldb_request *search_req;
@@ -1450,7 +1451,7 @@ static int objectclass_delete(struct ldb_module *module, struct ldb_request *req
ret = ldb_build_search_req(&search_req, ldb,
ac, req->op.del.dn, LDB_SCOPE_BASE,
"(objectClass=*)",
- attrs, NULL,
+ attrs, req->controls,
ac, get_search_callback,
req);
LDB_REQ_SET_LOCATION(search_req);
@@ -1505,6 +1506,17 @@ static int objectclass_do_delete(struct oc_context *ac)
talloc_free(dn);
}
+ /* Only trusted request from system account are allowed to delete
+ * deleted objects.
+ */
+ if (ldb_msg_check_string_attribute(ac->search_res->message, "isDeleted", "TRUE") &&
+ (ldb_req_is_untrusted(ac->req) ||
+ !dsdb_module_am_system(ac->module))) {
+ ldb_asprintf_errstring(ldb, "Delete of '%s' failed",
+ ldb_dn_get_linearized(ac->req->op.del.dn));
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
/* crossRef objects regarding config, schema and default domain NCs */
if (samdb_find_attribute(ldb, ac->search_res->message, "objectClass",
"crossRef") != NULL) {