Clickx 115/Clickx 115.iso/software/tools/windows/tails-i386-0.16.iso/live/filesystem.squashfs/usr/bin/usb-devices

Text File | 2011-08-25 | 4.1 KB | 173 lines

#!/bin/bash

# Copyright: 2009 Greg Kroah-Hartman <[e-mail]>
#            2009 Randy Dunlap <[e-mail]>
#            2009 Frans Pop <[e-mail]>
#
# This software may be used and distributed according to the terms of
# the GNU General Public License (GPL), version 2, or at your option
# any later version.

print_string() {
    file=$1
    name=$2
    if [ -f $file ]; then
        echo "S:  $name=`cat $file`"
    fi
}

class_decode() {
    local class=$1        # v4: in hex

    case $class in
    "00") echo ">ifc " ;;
    "01") echo "audio" ;;
    "02") echo "commc" ;;
    "03") echo "HID  " ;;
    "05") echo "PID  " ;;
    "06") echo "still" ;;
    "07") echo "print" ;;
    "08") echo "stor." ;;
    "09") echo "hub  " ;;
    "0a") echo "data " ;;
    "0b") echo "scard" ;;
    "0d") echo "c-sec" ;;
    "0e") echo "video" ;;
    "0f") echo "perhc" ;;
    "dc") echo "diagd" ;;
    "e0") echo "wlcon" ;;
    "ef") echo "misc " ;;
    "fe") echo "app. " ;;
    "ff") echo "vend." ;;
    "*")  echo "unk. " ;;
    esac
}

print_endpoint() {
    local eppath=$1

    addr=`cat $eppath/bEndpointAddress`
    attr=`cat $eppath/bmAttributes`
    dir=`cat $eppath/direction`
    eptype=`cat $eppath/type`
    maxps_hex="0x`cat $eppath/wMaxPacketSize`"
    # Extract MaxPS size (bits 0-10) and multiplicity values (bits 11-12)
    maxps=`printf "%4i*%s\n" $(($maxps_hex & 0x7ff)) \
                $((1 + (($maxps_hex >> 11) & 0x3)))`
    interval=`cat $eppath/interval`

    printf "E:  Ad=%s(%s) Atr=%s(%s) MxPS=%s Ivl=%s\n" \
        $addr $dir $attr $eptype "$maxps" $interval
}

print_interface() {
    local ifpath=$1

    ifnum=`cat $ifpath/bInterfaceNumber`
    altset=`cat $ifpath/bAlternateSetting`
    numeps=`cat $ifpath/bNumEndpoints`
    class=`cat $ifpath/bInterfaceClass`
    subclass=`cat $ifpath/bInterfaceSubClass`
    protocol=`cat $ifpath/bInterfaceProtocol`
    if [ -L $ifpath/driver ]; then        # v4: allow for no driver
        driver=`readlink $ifpath/driver`
        driver=`basename $driver`
    else
        driver="(none)"
    fi
    classname=`class_decode $class`
    printf "I:  If#=%2i Alt=%2i #EPs=%2i Cls=%s(%s) Sub=%s Prot=%s Driver=%s\n" \
        $ifnum $altset $numeps $class "$classname" $subclass \
        $protocol $driver

    for endpoint in $ifpath/ep_??
    do
        if [ -L $endpoint ]; then    # v4: verify endpoint exists
            print_endpoint $endpoint
        fi
    done
}

print_device() {
    local devpath=$1
    local parent=$2
    local level=$3
    local count=$4

    [ -d $devpath ] || return
    cd $devpath

    local busnum=`cat busnum`
    local devnum=`cat devnum`

    if [ $level -gt 0 ]; then
        port=$((${devpath##*[-.]} - 1))
    else
        port=0
    fi
    speed=`cat speed`
    maxchild=`cat maxchild`
    printf "\nT:  Bus=%02i Lev=%02i Prnt=%02i Port=%02i Cnt=%02i Dev#=%3i Spd=%-3s MxCh=%2i\n" \
        $busnum $level $parent $port $count $devnum $speed $maxchild

    ver=`cat version`
    devclass=`cat bDeviceClass`
    devsubclass=`cat bDeviceSubClass`
    devprotocol=`cat bDeviceProtocol`
    maxps0=`cat bMaxPacketSize0`
    numconfigs=`cat bNumConfigurations`
    classname=`class_decode $devclass`
    printf "D:  Ver=%5s Cls=%s(%s) Sub=%s Prot=%s MxPS=%2i #Cfgs=%3i\n" \
        $ver $devclass "$classname" $devsubclass $devprotocol \
        $maxps0 $numconfigs

    vendid=`cat idVendor`
    prodid=`cat idProduct`
    revmajor=`cat bcdDevice | cut -c 1-2`
    revminor=`cat bcdDevice | cut -c 3-4`
    printf "P:  Vendor=%s ProdID=%s Rev=%s.%s\n" \
        $vendid $prodid $revmajor $revminor

    print_string manufacturer "Manufacturer"
    print_string product Product
    print_string serial SerialNumber

    numifs=`cat bNumInterfaces`
    cfgnum=`cat bConfigurationValue`
    attr=`cat bmAttributes`
    maxpower=`cat bMaxPower`
    printf "C:  #Ifs=%2i Cfg#=%2i Atr=%s MxPwr=%s\n" \
        $numifs $cfgnum $attr $maxpower

    # There's not really any useful info in endpoint 00
    #print_endpoint $devpath/ep_00

    for interface in $busnum-*:?.*
    do
        print_interface $devpath/$interface
    done

    local devcount=0
    for subdev in $busnum-*
    do
        echo "$subdev" | grep -Eq "^$busnum-[0-9]+(\.[0-9]+)*$" \
            || continue

        devcount=$(($devcount + 1))
        if [ -d $devpath/$subdev ]; then
            print_device $devpath/$subdev \
                $devnum $(($level +1)) $devcount
        fi
    done
}

if [ ! -d /sys/bus ]; then
    echo "Error: directory /sys/bus does not exist; is sysfs mounted?" >&2
    exit 1
fi

for device in /sys/bus/usb/devices/usb*
do
    print_device $device 0 0 0
done