354 lines
11 KiB
Python
354 lines
11 KiB
Python
# Script for testing correctness of CTAP2/CTAP1 security token
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from __future__ import print_function, absolute_import, unicode_literals
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from fido2.hid import CtapHidDevice, CTAPHID
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from fido2.client import Fido2Client
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from fido2.ctap import CtapError
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from fido2.ctap1 import CTAP1
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from fido2.ctap2 import *
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from fido2.cose import *
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from fido2.utils import Timeout
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import sys,os,time
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from random import randint
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from binascii import hexlify
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import array,struct,socket
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# Set up a FIDO 2 client using the origin https://example.com
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def ForceU2F(client,device):
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client.ctap = CTAP1(device)
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client.pin_protocol = None
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client._do_make_credential = client._ctap1_make_credential
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client._do_get_assertion = client._ctap1_get_assertion
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class Packet(object):
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def __init__(self,data):
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l = len(data)
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self.data = data
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def ToWireFormat(self,):
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return self.data
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@staticmethod
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def FromWireFormat(pkt_size,data):
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return Packet(data)
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class Tester():
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def __init__(self,):
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self.origin = 'https://examplo.org'
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def find_device(self,):
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dev = next(CtapHidDevice.list_devices(), None)
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if not dev:
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raise RuntimeError('No FIDO device found')
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self.dev = dev
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self.ctap = CTAP2(dev)
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# consume timeout error
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#cmd,resp = self.recv_raw()
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def send_data(self, cmd, data):
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#print('<<', hexlify(data))
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if type(data) != type(b''):
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data = struct.pack('%dB' % len(data), *[ord(x) for x in data])
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with Timeout(1.0) as event:
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return self.dev.call(cmd, data,event)
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def send_raw(self, data, cid = None):
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if cid is None:
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cid = self.dev._dev.cid
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elif type(cid) != type(b''):
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cid = struct.pack('%dB' % len(cid), *[ord(x) for x in cid])
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if type(data) != type(b''):
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data = struct.pack('%dB' % len(data), *[ord(x) for x in data])
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data = cid + data
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l = len(data)
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if l != 64:
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pad = '\x00' * (64-l)
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pad = struct.pack('%dB' % len(pad), *[ord(x) for x in pad])
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data = data + pad
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assert(len(data) == 64)
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self.dev._dev.InternalSendPacket(Packet(cid + data))
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def cid(self,):
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return self.dev._dev.cid
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def set_cid(self,cid):
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if type(cid) not in [type(b''), type(bytearray())]:
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cid = struct.pack('%dB' % len(cid), *[ord(x) for x in cid])
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self.dev._dev.cid = cid
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def recv_raw(self,):
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cmd,payload = self.dev._dev.InternalRecv()
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return cmd, payload
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def check_error(self,data,err=None):
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assert(len(data) == 1)
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if err is None:
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if data[0] != 0:
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raise CtapError(data[0])
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elif data[0] != err:
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raise ValueError('Unexpected error: %02x' % data[0])
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def test_hid(self,):
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#print('Test idle')
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#try:
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#cmd,resp = self.recv_raw()
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#except socket.timeout:
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#print('Pass: Idle')
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print('Test init')
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r = self.send_data(CTAPHID.INIT, '\x11\x11\x11\x11\x11\x11\x11\x11')
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pingdata = os.urandom(100)
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try:
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r = self.send_data(CTAPHID.PING, pingdata)
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if (r != pingdata):
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raise ValueError('Ping data not echo\'d')
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except CtapError as e:
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print('100 byte Ping failed:', e)
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raise RuntimeError('ping failed')
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print('PASS: 100 byte ping')
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pingdata = os.urandom(1000)
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try:
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t1 = time.time() * 1000
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r = self.send_data(CTAPHID.PING, pingdata)
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t2 = time.time() * 1000
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delt = t2 - t1
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#if (delt < 140 ):
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#raise RuntimeError('Fob is too fast (%d ms)' % delt)
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if (delt > 555):
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raise RuntimeError('Fob is too slow (%d ms)' % delt)
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if (r != pingdata):
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raise ValueError('Ping data not echo\'d')
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except CtapError as e:
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print('7609 byte Ping failed:', e)
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raise RuntimeError('ping failed')
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print('PASS: 7609 byte ping')
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try:
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r = self.send_data(CTAPHID.WINK, '')
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print(hexlify(r))
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#assert(len(r) == 0)
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except CtapError as e:
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print('wink failed:', e)
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raise RuntimeError('wink failed')
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print('PASS: wink')
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#try:
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#r = self.send_data(CTAPHID.WINK, 'we9gofrei8g')
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#raise RuntimeError('Wink is not supposed to have payload')
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#except CtapError as e:
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#assert(e.code == CtapError.ERR.INVALID_LENGTH)
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#print('PASS: malformed wink')
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#try:
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#r = self.send_data(CTAPHID.CBOR, '')
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#raise RuntimeError('Cbor is supposed to have payload')
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#except CtapError as e:
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#assert(e.code == CtapError.ERR.INVALID_LENGTH)
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#print('PASS: no data cbor')
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#try:
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#r = self.send_data(CTAPHID.MSG, '')
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#raise RuntimeError('MSG is supposed to have payload')
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#except CtapError as e:
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#assert(e.code == CtapError.ERR.INVALID_LENGTH)
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#print('PASS: no data msg')
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try:
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r = self.send_data(CTAPHID.INIT, '\x11\x22\x33\x44\x55\x66\x77\x88')
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except CtapError as e:
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raise RuntimeError('resync fail: ', e)
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print('PASS: resync')
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try:
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r = self.send_data(0x66, '')
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raise RuntimeError('Invalid command did not return error')
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except CtapError as e:
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assert(e.code == CtapError.ERR.INVALID_COMMAND)
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print('PASS: invalid HID command')
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print('Sending packet with too large of a length.')
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self.send_raw('\x80\x1d\xba\x00')
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cmd,resp = self.recv_raw()
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self.check_error(resp, CtapError.ERR.INVALID_LENGTH)
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print('PASS: invalid length')
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print('Sending packets that skip a sequence number.')
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self.send_raw('\x81\x10\x00')
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self.send_raw('\x00')
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self.send_raw('\x01')
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self.send_raw('\x02')
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# skip 3
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self.send_raw('\x04')
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cmd,resp = self.recv_raw()
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self.check_error(resp, CtapError.ERR.INVALID_SEQ)
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cmd,resp = self.recv_raw()
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assert(cmd == 0xbf) # timeout
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print('PASS: invalid sequence')
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print('Resync and send ping')
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try:
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r = self.send_data(CTAPHID.INIT, '\x11\x22\x33\x44\x55\x66\x77\x88')
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pingdata = os.urandom(100)
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r = self.send_data(CTAPHID.PING, pingdata)
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if (r != pingdata):
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raise ValueError('Ping data not echo\'d')
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except CtapError as e:
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raise RuntimeError('resync fail: ', e)
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print('PASS: resync and ping')
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print('Send ping and abort it')
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self.send_raw('\x81\x10\x00')
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self.send_raw('\x00')
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self.send_raw('\x01')
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try:
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r = self.send_data(CTAPHID.INIT, '\x11\x22\x33\x44\x55\x66\x77\x88')
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except CtapError as e:
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raise RuntimeError('resync fail: ', e)
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print('PASS: interrupt ping with resync')
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print('Send ping and abort it with different cid, expect timeout')
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oldcid = self.cid()
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newcid = '\x11\x22\x33\x44'
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self.send_raw('\x81\x10\x00')
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self.send_raw('\x00')
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self.send_raw('\x01')
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self.set_cid(newcid)
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self.send_raw('\x86\x00\x08\x11\x22\x33\x44\x55\x66\x77\x88') # init from different cid
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cmd,r = self.recv_raw() # init response
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assert(cmd == 0x86)
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self.set_cid(oldcid)
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cmd,r = self.recv_raw() # timeout response
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assert(cmd == 0xbf)
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print('PASS: resync and timeout')
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print('Test timeout')
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self.send_data(CTAPHID.INIT, '\x11\x22\x33\x44\x55\x66\x77\x88')
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t1 = time.time() * 1000
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self.send_raw('\x81\x10\x00')
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self.send_raw('\x00')
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self.send_raw('\x01')
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cmd,r = self.recv_raw() # timeout response
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t2 = time.time() * 1000
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delt = t2 - t1
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assert(cmd == 0xbf)
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assert(r[0] == CtapError.ERR.TIMEOUT)
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assert(delt < 1000 and delt > 400)
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print('Pass timeout')
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print('Test not cont')
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self.send_data(CTAPHID.INIT, '\x11\x22\x33\x44\x55\x66\x77\x88')
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self.send_raw('\x81\x10\x00')
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self.send_raw('\x00')
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self.send_raw('\x01')
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self.send_raw('\x81\x10\x00') # init packet
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cmd,r = self.recv_raw() # timeout response
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assert(cmd == 0xbf)
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assert(r[0] == CtapError.ERR.INVALID_SEQ)
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print('PASS: Test not cont')
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print('Check random cont ignored')
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self.send_data(CTAPHID.INIT, '\x11\x22\x33\x44\x55\x66\x77\x88')
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self.send_raw('\x01\x10\x00')
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cmd,r = self.recv_raw() # timeout response
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assert(cmd == 0xbf)
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assert(r[0] == CtapError.ERR.TIMEOUT)
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print('Check busy')
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t1 = time.time() * 1000
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self.send_data(CTAPHID.INIT, '\x11\x22\x33\x44\x55\x66\x77\x88')
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oldcid = self.cid()
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newcid = '\x11\x22\x33\x44'
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self.send_raw('\x81\x10\x00')
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self.set_cid(newcid)
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self.send_raw('\x81\x10\x00')
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cmd,r = self.recv_raw() # busy response
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t2 = time.time() * 1000
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assert(t2-t1 < 100)
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assert(cmd == 0xbf)
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assert(r[0] == CtapError.ERR.CHANNEL_BUSY)
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self.set_cid(oldcid)
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cmd,r = self.recv_raw() # timeout response
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assert(cmd == 0xbf)
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assert(r[0] == CtapError.ERR.TIMEOUT)
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print('PASS: busy')
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print('Check busy interleaved')
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cid1 = '\x11\x22\x33\x44'
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cid2 = '\x01\x22\x33\x44'
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self.set_cid(cid2)
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self.send_data(CTAPHID.INIT, '\x11\x22\x33\x44\x55\x66\x77\x88')
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self.set_cid(cid1)
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self.send_data(CTAPHID.INIT, '\x11\x22\x33\x44\x55\x66\x77\x88')
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self.send_raw('\x81\x00\x63') # echo 99 bytes first channel
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self.set_cid(cid2) # send ping on 2nd channel
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self.send_raw('\x81\x00\x63')
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self.send_raw('\x00')
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self.set_cid(cid1) # finish 1st channel ping
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self.send_raw('\x00')
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self.set_cid(cid2)
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cmd,r = self.recv_raw() # busy response
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assert(cmd == 0xbf)
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assert(r[0] == CtapError.ERR.CHANNEL_BUSY)
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self.set_cid(cid1)
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cmd,r = self.recv_raw() # ping response
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assert(cmd == 0x81)
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assert(len(r) == 0x63)
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cmd,r = self.recv_raw() # timeout
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assert(cmd == 0xbf)
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assert(r[0] == CtapError.ERR.TIMEOUT)
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print('PASS: busy interleaved')
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print('Test idle')
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try:
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cmd,resp = self.recv_raw()
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except socket.timeout:
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print('Pass: Idle')
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print('Test cid 0 is invalid')
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self.set_cid('\x00\x00\x00\x00')
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self.send_raw('\x86\x00\x08\x11\x22\x33\x44\x55\x66\x77\x88', cid = '\x00\x00\x00\x00')
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cmd,r = self.recv_raw() # timeout
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assert(cmd == 0xbf)
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assert(r[0] == CtapError.ERR.INVALID_CHANNEL)
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print('Pass: cid 0')
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print('Test invalid broadcast cid use')
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self.set_cid('\xff\xff\xff\xff')
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self.send_raw('\x81\x00\x08\x11\x22\x33\x44\x55\x66\x77\x88', cid = '\xff\xff\xff\xff')
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cmd,r = self.recv_raw() # timeout
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assert(cmd == 0xbf)
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assert(r[0] == CtapError.ERR.INVALID_CHANNEL)
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print('Pass: cid broadcast')
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def test_fido2(self):
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pass
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if __name__ == '__main__':
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t = Tester()
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t.find_device()
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t.test_hid()
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