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-rw-r--r--source4/dsdb/samdb/ldb_modules/subtree_rename.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/subtree_rename.c b/source4/dsdb/samdb/ldb_modules/subtree_rename.c
index 72857cb864..5c28723391 100644
--- a/source4/dsdb/samdb/ldb_modules/subtree_rename.c
+++ b/source4/dsdb/samdb/ldb_modules/subtree_rename.c
@@ -163,6 +163,14 @@ static int subtree_rename(struct ldb_module *module, struct ldb_request *req)
return ldb_next_request(module, req);
}
+ /* Firstly ensure we are not trying to rename it to be a child of itself */
+ if ((ldb_dn_compare_base(req->op.rename.olddn, req->op.rename.newdn) == 0)
+ && (ldb_dn_compare(req->op.rename.olddn, req->op.rename.newdn) != 0)) {
+ ldb_asprintf_errstring(module->ldb, "Cannot rename %s to be a child of itself",
+ ldb_dn_get_linearized(req->op.rename.olddn));
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
/* This gets complex: We need to:
- Do a search for all entires under this entry
- Wait for these results to appear