#!/usr/bin/python3

import dbus
import sys

bus = dbus.SystemBus()

if len(sys.argv) < 6 and len(sys.argv) > 2:
	path = sys.argv[1]

	rands = []
	for i in sys.argv[2:]:
		rands.append(bytearray.fromhex(i))

	sim_auth = dbus.Interface(bus.get_object('org.ofono', path),
							'org.ofono.SimAuthentication')
	apps = sim_auth.GetApplications()

	for i in apps:
		if apps[i]['Type'] == 'Umts':
			umts_path = i

	if not umts_path:
		print("No Umts application found")
		quit()

	umts = dbus.Interface(bus.get_object('org.ofono', umts_path),
						'org.ofono.USimApplication')
	av = umts.GsmAuthenticate(rands)

	for i in av:
		print('SRES: ' + ''.join('%02x' % x for x in i['SRES']))
		print('KC: ' + ''.join('%02x' % x for x in i['Kc']))

else:
	print("./run-usim-gsm-auth <modem> <rands>...[up to 3]")