ntdll/server: Implement NtSetSecurityObject. With tests.
diff --git a/server/protocol.def b/server/protocol.def
index f49f331..2073a20 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -2759,6 +2759,12 @@
VARARG(user,token_groups); /* groups the token's user belongs to */
@END
+@REQ(set_security_object)
+ obj_handle_t handle; /* handle to the object */
+ unsigned int security_info; /* which parts of security descriptor to set */
+ VARARG(sd,security_descriptor); /* security descriptor to set */
+@END
+
/* Create a mailslot */
@REQ(create_mailslot)
unsigned int access; /* wanted access rights */