Hallo!
Your email address is written as contact in /usr/src/linux/drivers/md/dm-ioctl.c.
I'd like to make a unix group on a workstation that is allowed to make a crypted udf filesystem on a dvd-rw or dvd-ram.
I don't like the sudo mechanism, because the users have to understand what they do.
What is the reason only root to be able to create such a device?
Thanks
Lars
Begin forwarded message:
> Date: Sun, 22 Apr 2007 12:33:48 +0200
> From: Luca Berra <bluca@xxxxxxxxxx>
> To: dm-crypt@xxxxxxxx
> Subject: Re: [dm-crypt] LUKS on DVD+RW
>
>
> On Fri, Apr 20, 2007 at 06:18:28PM +0200, Lars Täuber wrote:
> >mmap2(NULL, 123180, PROT_READ, MAP_PRIVATE, 6, 0) = 0xb7bd6000
> >close(6) = 0
> >ioctl(5, DM_VERSION, 0x80d5c80) = -1 EACCES (Permission denied)
> >close(5) = 0
> >
> >Do you think I have a chance to get it working my way without sudo?
>
> No, i am sorry,
>
> /usr/src/linux/drivers/md/dm-ioctl.c
> static int ctl_ioctl(struct inode *inode, struct file *file,
> uint command, ulong u)
> {
> ....
> /* only root can play with this */
> if (!capable(CAP_SYS_ADMIN))
> return -EACCES;
>
> L.
>
> --
> Luca Berra -- bluca@xxxxxxxxxx
> Communication Media & Services S.r.l.
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