message_id = US exim_str_fail_toolong(argv[msg_action_arg], MESSAGE_ID_LENGTH, "message-id");
/* Checking the length of the ID is sufficient to validate it.
Get an untainted version so file opens can be done. */
message_id = US exim_str_fail_toolong(argv[msg_action_arg], MESSAGE_ID_LENGTH, "message-id");
/* Checking the length of the ID is sufficient to validate it.
Get an untainted version so file opens can be done. */