Re: PATCH: cdrecord: avoiding scsi device numbering for ide devices
From: Christer Weinigel
Date: Sun Aug 22 2004 - 17:19:41 EST
Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> writes:
> Its not an easy trade off- I don't know if there is a right answer.
> Despite the UI problems in both cdrecord and its author the internal
> code is actually quite rigorous so its something I'd be more comfortable
> giving limited rawio access than quite a few other apps that touch
> external public data.
Another way would be to add a scsi ioctl such as ENABLE_SG_IO or an
open flag, e.g. open("/dev/hdc", ... | O_RAWIO) which needs
CAP_SYS_RAWIO. That way it is much less likely that the RAWIO
permission is given away by mistake, but I must admit that it feels
kind of ugly.
/Christer
--
"Just how much can I get away with and still go to heaven?"
Freelance consultant specializing in device driver programming for Linux
Christer Weinigel <christer@xxxxxxxxxxx> http://www.weinigel.se
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/