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SubjectRe: ide-cd problems
Zinx Verituse wrote:
> I don't believe command filtering is neccessary, since all of the
> ide-cd ioctls are still there (ioctls that allow playing, reading, etc)
> Only the SG_IO ioctl itself would have to be checked (i.e., not each
> individual command available with SG_IO, just the overall ioctl itself,
> categorizing all of SG_IO more or less as raw IO. If this isn't doable
> with the current design, then the ide-cd interface should at least be
> very conspicuously documented as being extremely insecure as far as
> "read" access is concerned, as I know I wouldn't expect users to be able
> to overwrite my drive's firmware simply by granting the read access.

Remember that it is still possible to write CDs through ide-cd in 2.4.x
using some pre-alpha code in cdrecord:

cdrecord dev=ATAPI:1,1,0 image.iso

Alexander E. Patrakov

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