Hi.
I've been trying to figure out if it is possible to write a udev rule
matching USB class and subclass, without any success so far. My goal is
to write a rule matching any smart card reader, instead of individual
smart card readers. But is it possible with udev?
With AppStream / isenkram I can match it using the modaliases from the
kernel. The following oneliner will print the modalias for any smart
card reader installed in the system:
for mod in $(cat $(find /sys/|grep modalias|grep usb)); do \
case "$mod" in usb:*ic0Bisc00ip*) echo $mod; esac; \
done
But the scdaemon udev rule list individual vendor/product IDs instead of
specifying class 0B and subclass 00. It there any way around this?
<URL: http://www.usb.org/developers/defined_class/#BaseClass0Bh > list
the USB bus class for smart cards. :)
--
Happy hacking
Petter Reinholdtsen
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