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diff --git a/Documentation/usb/wusb-cbaf b/Documentation/usb/wusb-cbaf
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-#! /bin/bash
-#
-
-set -e
-
-progname=$(basename $0)
-function help
-{
- cat <<EOF
-Usage: $progname COMMAND DEVICEs [ARGS]
-
-Command for manipulating the pairing/authentication credentials of a
-Wireless USB device that supports wired-mode Cable-Based-Association.
-
-Works in conjunction with the wusb-cba.ko driver from http://linuxuwb.org.
-
-
-DEVICE
-
- sysfs path to the device to authenticate; for example, both this
- guys are the same:
-
- /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-4/1-4.4/1-4.4:1.1
- /sys/bus/usb/drivers/wusb-cbaf/1-4.4:1.1
-
-COMMAND/ARGS are
-
- start
-
- Start a WUSB host controller (by setting up a CHID)
-
- set-chid DEVICE HOST-CHID HOST-BANDGROUP HOST-NAME
-
- Sets host information in the device; after this you can call the
- get-cdid to see how does this device report itself to us.
-
- get-cdid DEVICE
-
- Get the device ID associated to the HOST-CHID we sent with
- 'set-chid'. We might not know about it.
-
- set-cc DEVICE
-
- If we allow the device to connect, set a random new CDID and CK
- (connection key). Device saves them for the next time it wants to
- connect wireless. We save them for that next time also so we can
- authenticate the device (when we see the CDID he uses to id
- itself) and the CK to crypto talk to it.
-
-CHID is always 16 hex bytes in 'XX YY ZZ...' form
-BANDGROUP is almost always 0001
-
-Examples:
-
- You can default most arguments to '' to get a sane value:
-
- $ $progname set-chid '' '' '' "My host name"
-
- A full sequence:
-
- $ $progname set-chid '' '' '' "My host name"
- $ $progname get-cdid ''
- $ $progname set-cc ''
-
-EOF
-}
-
-
-# Defaults
-# FIXME: CHID should come from a database :), band group from the host
-host_CHID="00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff"
-host_band_group="0001"
-host_name=$(hostname)
-
-devs="$(echo /sys/bus/usb/drivers/wusb-cbaf/[0-9]*)"
-hdevs="$(for h in /sys/class/uwb_rc/*/wusbhc; do readlink -f $h; done)"
-
-result=0
-case $1 in
- start)
- for dev in ${2:-$hdevs}
- do
- echo $host_CHID > $dev/wusb_chid
- echo I: started host $(basename $dev) >&2
- done
- ;;
- stop)
- for dev in ${2:-$hdevs}
- do
- echo 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > $dev/wusb_chid
- echo I: stopped host $(basename $dev) >&2
- done
- ;;
- set-chid)
- shift
- for dev in ${2:-$devs}; do
- echo "${4:-$host_name}" > $dev/wusb_host_name
- echo "${3:-$host_band_group}" > $dev/wusb_host_band_groups
- echo ${2:-$host_CHID} > $dev/wusb_chid
- done
- ;;
- get-cdid)
- for dev in ${2:-$devs}
- do
- cat $dev/wusb_cdid
- done
- ;;
- set-cc)
- for dev in ${2:-$devs}; do
- shift
- CDID="$(head --bytes=16 /dev/urandom | od -tx1 -An)"
- CK="$(head --bytes=16 /dev/urandom | od -tx1 -An)"
- echo "$CDID" > $dev/wusb_cdid
- echo "$CK" > $dev/wusb_ck
-
- echo I: CC set >&2
- echo "CHID: $(cat $dev/wusb_chid)"
- echo "CDID:$CDID"
- echo "CK: $CK"
- done
- ;;
- help|h|--help|-h)
- help
- ;;
- *)
- echo "E: Unknown usage" 1>&2
- help 1>&2
- result=1
-esac
-exit $result