On Wed, Dec 21, 2005 at 10:26:38PM -0700, Ludwig Mises wrote: > It seems that only root can access /dev/rcd0c when using tools such as > cdrdao, cdda2wav and cdparanoia, even when the user is in the operator > group: > > $ cdparanoia -v -d /dev/rcd0c -B > > Checking /dev/rcd0c for cdrom... > Testing /dev/rcd0c for SCSI interface > generic device: /dev/rcd0c > ioctl device: /dev/rcd0c > Could not open generic SCSI device /dev/rcd0c: Permission > denied > Testing /dev/rcd0c for SCSI interface > > uid=1000(lm) gid=1000(lm) groups=1000(lm), 0(wheel), 5(operator) > > I get similar results with cdda2wav and cdrdao. Oddly enough, cdio > works just fine for this user. Even changing the permissions on > /dev/rcd0c to 644 didn't change anything and I still get errors > indicating that I have no permission, yet clearly the account is in > the correct group: > > $ ls -l /dev/rcd0c > crw-r----- 1 root operator 15, 2 Dec 15 21:32 /dev/rcd0c > > Is it possible to read /dev/rcd0c as a user in the operator group > using cdda2wav or other cdrtools? I would rather not have to use su > or sudo just to read a CD. And I see nothing special about cdio (i.e. > no SUID) to make it work differently.
try adding write permission for the operator group to this device? Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm
