/usr/bin/usb-devices is in usbutils 1:007-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172  | #!/bin/bash
# Copyright: 2009 Greg Kroah-Hartman <greg@kroah.com>
#            2009 Randy Dunlap <rdunlap@xenotime.net>
#            2009 Frans Pop <elendil@planet.nl>
#
# 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#0} ${altset#0} ${numeps#0} $class "$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
 |