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SubjectRe: User-level USB device drivers, and permissions
> An idea in my head is to have a pam module that, for console users,
> mounts -tusbdevfs none /somewhere/usb-bus/$LOGNAME with user ownership
> on login and dismounts it on logout, but I don't know if that is
> feasible.

This is way too coarse. This control needs to be there on a device level at

> Does anyone know if this problem has already been solved, or else can
> they think of a solution?

The current conventional wisdom is to use chmod in the hotplug scripts and
logout scripts.
This has been discussed in connection with a SANE backend for Microtek 3600

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