Am Samstag, 8. Dezember 2001 19:18 schrieb Jacek Pliszka:
> On Sat, 8 Dec 2001, David Brownell wrote:
> > One complication for USB -- not shared with any of the more
> > traditional device models! -- is hotplugging. Devices can be,
> > and are, added/removed at any time. They can move around.
> > The primary policy hook for security is to name a device. But
> > hotplugging means those names can change...
>
> But you control hotplugging. You can check in the hotplugging
> script whether device has given VendorId and ProductId and
> then take the proper action e.g.:
> -giving proper persmission to user
> -mounting device with proper rights
>
> What is wrong with that?
It is too inflexible. You want your system to remember across reboot settings
like "user X and Y may mount volume Z at mount point /A/B/C"
The traditional system is unable to do this. Even the existing devfsd can do
only part of it.
Simply writing through to the fs with major:minor rights doesn't do it,
because you need stable names which the traditional system cannot give you.
Devfsd on steroids might do it.
Regards
Oliver
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