tests: Add tests for HS 2.0 frame filtering
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
Jouni Malinen
parent
fa7f9570f2
commit
890fd60f7d
2 changed files with 221 additions and 4 deletions
|
|
@ -3137,7 +3137,7 @@ def send_ns(dev, src_ll=None, target=None, ip_src=None, ip_dst=None, opt=None,
|
|||
if "OK" not in dev.request(cmd + binascii.hexlify(pkt)):
|
||||
raise Exception("DATA_TEST_FRAME failed")
|
||||
|
||||
def build_na(src_ll, ip_src, ip_dst, target, opt=None):
|
||||
def build_na(src_ll, ip_src, ip_dst, target, opt=None, flags=0):
|
||||
link_mc = binascii.unhexlify("3333ff000002")
|
||||
_src_ll = binascii.unhexlify(src_ll.replace(':',''))
|
||||
proto = '\x86\xdd'
|
||||
|
|
@ -3145,12 +3145,11 @@ def build_na(src_ll, ip_src, ip_dst, target, opt=None):
|
|||
_ip_src = socket.inet_pton(socket.AF_INET6, ip_src)
|
||||
_ip_dst = socket.inet_pton(socket.AF_INET6, ip_dst)
|
||||
|
||||
reserved = '\x00\x00\x00\x00'
|
||||
_target = socket.inet_pton(socket.AF_INET6, target)
|
||||
if opt:
|
||||
payload = reserved + _target + opt
|
||||
payload = struct.pack('>Bxxx', flags) + _target + opt
|
||||
else:
|
||||
payload = reserved + _target
|
||||
payload = struct.pack('>Bxxx', flags) + _target
|
||||
icmp = build_icmpv6(_ip_src + _ip_dst, 136, 0, payload)
|
||||
|
||||
ipv6 = struct.pack('>BBBBHBB', 0x60, 0, 0, 0, len(icmp), 58, 255)
|
||||
|
|
|
|||
218
tests/hwsim/test_hs20_filter.py
Normal file
218
tests/hwsim/test_hs20_filter.py
Normal file
|
|
@ -0,0 +1,218 @@
|
|||
# Hotspot 2.0 filtering tests
|
||||
# Copyright (c) 2015, Intel Deutschland GmbH
|
||||
#
|
||||
# This software may be distributed under the terms of the BSD license.
|
||||
# See README for more details.
|
||||
|
||||
import hostapd
|
||||
import hwsim_utils
|
||||
import socket
|
||||
import subprocess
|
||||
import binascii
|
||||
from utils import HwsimSkip, require_under_vm
|
||||
import os
|
||||
import time
|
||||
from test_ap_hs20 import build_arp, build_na
|
||||
import struct
|
||||
|
||||
class IPAssign(object):
|
||||
def __init__(self, iface, addr, ipv6=False):
|
||||
self._iface = iface
|
||||
self._addr = addr
|
||||
self._cmd = ['ip']
|
||||
if ipv6:
|
||||
self._cmd.append('-6')
|
||||
self._cmd.append('addr')
|
||||
self._ipv6 = ipv6
|
||||
def __enter__(self):
|
||||
subprocess.call(self._cmd + ['add', self._addr, 'dev', self._iface])
|
||||
if self._ipv6:
|
||||
# wait for DAD to finish
|
||||
while True:
|
||||
o = subprocess.check_output(self._cmd + ['show', 'tentative', 'dev', self._iface])
|
||||
if not self._addr in o:
|
||||
break
|
||||
time.sleep(0.1)
|
||||
def __exit__(self, type, value, traceback):
|
||||
subprocess.call(self._cmd + ['del', self._addr, 'dev', self._iface])
|
||||
|
||||
def _test_ip4_gtk_drop(devs, apdevs, params, dst):
|
||||
require_under_vm()
|
||||
dev = devs[0]
|
||||
procfile = '/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast' % dev.ifname
|
||||
if not os.path.exists(procfile):
|
||||
raise HwsimSkip("kernel doesn't have capability")
|
||||
|
||||
ap_params = { 'ssid': 'open', 'channel': '5' }
|
||||
hapd = hostapd.add_ap(apdevs[0]['ifname'], ap_params)
|
||||
dev.connect('open', key_mgmt="NONE", scan_freq="2432")
|
||||
|
||||
with IPAssign(dev.ifname, '10.0.0.1/24'):
|
||||
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
||||
s.bind(("10.0.0.1", 12345))
|
||||
s.settimeout(0.1)
|
||||
|
||||
pkt = dst
|
||||
pkt += hapd.own_addr().replace(':', '')
|
||||
pkt += '0800'
|
||||
pkt += '45000020786840004011ae600a0000040a000001'
|
||||
pkt += '30393039000c0000'
|
||||
pkt += '61736466' # "asdf"
|
||||
if "OK" not in hapd.request('DATA_TEST_FRAME ' + pkt):
|
||||
raise Exception("DATA_TEST_FRAME failed")
|
||||
|
||||
data, addr = s.recvfrom(1024)
|
||||
if data != 'asdf':
|
||||
raise Exception("invalid data received")
|
||||
|
||||
open(procfile, 'w').write('1')
|
||||
try:
|
||||
if "OK" not in hapd.request('DATA_TEST_FRAME ' + pkt):
|
||||
raise Exception("DATA_TEST_FRAME failed")
|
||||
|
||||
try:
|
||||
print s.recvfrom(1024)
|
||||
raise Exception("erroneously received frame!")
|
||||
except socket.timeout:
|
||||
# this is the expected behaviour
|
||||
pass
|
||||
finally:
|
||||
open(procfile, 'w').write('0')
|
||||
|
||||
def test_ip4_gtk_drop_bcast(devs, apdevs, params):
|
||||
_test_ip4_gtk_drop(devs, apdevs, params, dst='ffffffffffff')
|
||||
|
||||
def test_ip4_gtk_drop_mcast(devs, apdevs, params):
|
||||
_test_ip4_gtk_drop(devs, apdevs, params, dst='ff0000000000')
|
||||
|
||||
def _test_ip6_gtk_drop(devs, apdevs, params, dst):
|
||||
require_under_vm()
|
||||
dev = devs[0]
|
||||
procfile = '/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast' % dev.ifname
|
||||
if not os.path.exists(procfile):
|
||||
raise HwsimSkip("kernel doesn't have capability")
|
||||
|
||||
ap_params = { 'ssid': 'open', 'channel': '5' }
|
||||
hapd = hostapd.add_ap(apdevs[0]['ifname'], ap_params)
|
||||
dev.connect('open', key_mgmt="NONE", scan_freq="2432")
|
||||
|
||||
with IPAssign(dev.ifname, 'fdaa::1/48', ipv6=True):
|
||||
s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
|
||||
s.bind(("fdaa::1", 12345))
|
||||
s.settimeout(0.1)
|
||||
|
||||
pkt = dst
|
||||
pkt += hapd.own_addr().replace(':', '')
|
||||
pkt += '86dd'
|
||||
pkt += '60000000000c1140fdaa0000000000000000000000000002fdaa0000000000000000000000000001'
|
||||
pkt += '30393039000cde31'
|
||||
pkt += '61736466' # "asdf"
|
||||
if "OK" not in hapd.request('DATA_TEST_FRAME ' + pkt):
|
||||
raise Exception("DATA_TEST_FRAME failed")
|
||||
|
||||
data, addr = s.recvfrom(1024)
|
||||
if data != 'asdf':
|
||||
raise Exception("invalid data received")
|
||||
|
||||
open(procfile, 'w').write('1')
|
||||
try:
|
||||
if "OK" not in hapd.request('DATA_TEST_FRAME ' + pkt):
|
||||
raise Exception("DATA_TEST_FRAME failed")
|
||||
|
||||
try:
|
||||
print s.recvfrom(1024)
|
||||
raise Exception("erroneously received frame!")
|
||||
except socket.timeout:
|
||||
# this is the expected behaviour
|
||||
pass
|
||||
finally:
|
||||
open(procfile, 'w').write('0')
|
||||
|
||||
def test_ip6_gtk_drop_bcast(devs, apdevs, params):
|
||||
_test_ip6_gtk_drop(devs, apdevs, params, dst='ffffffffffff')
|
||||
|
||||
def test_ip6_gtk_drop_mcast(devs, apdevs, params):
|
||||
_test_ip6_gtk_drop(devs, apdevs, params, dst='ff0000000000')
|
||||
|
||||
def test_ip4_drop_gratuitous_arp(devs, apdevs, params):
|
||||
require_under_vm()
|
||||
dev = devs[0]
|
||||
procfile = '/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp' % dev.ifname
|
||||
if not os.path.exists(procfile):
|
||||
raise HwsimSkip("kernel doesn't have capability")
|
||||
|
||||
ap_params = { 'ssid': 'open', 'channel': '5' }
|
||||
hapd = hostapd.add_ap(apdevs[0]['ifname'], ap_params)
|
||||
dev.connect('open', key_mgmt="NONE", scan_freq="2432")
|
||||
|
||||
with IPAssign(dev.ifname, '10.0.0.2/24'):
|
||||
# add an entry that can be updated by gratuitous ARP
|
||||
subprocess.call(['ip', 'neigh', 'add', '10.0.0.1', 'lladdr', '02:00:00:00:00:ff', 'nud', 'reachable', 'dev', dev.ifname])
|
||||
# wait for lock-time
|
||||
time.sleep(1)
|
||||
try:
|
||||
ap_addr = hapd.own_addr()
|
||||
cl_addr = dev.own_addr()
|
||||
pkt = build_arp(cl_addr, ap_addr, 2, ap_addr, '10.0.0.1', ap_addr, '10.0.0.1')
|
||||
pkt = binascii.hexlify(pkt)
|
||||
|
||||
if "OK" not in hapd.request('DATA_TEST_FRAME ' + pkt):
|
||||
raise Exception("DATA_TEST_FRAME failed")
|
||||
|
||||
if not hapd.own_addr() in subprocess.check_output(['ip', 'neigh', 'show']):
|
||||
raise Exception("gratuitous ARP frame failed to update")
|
||||
|
||||
subprocess.call(['ip', 'neigh', 'replace', '10.0.0.1', 'lladdr', '02:00:00:00:00:ff', 'nud', 'reachable', 'dev', dev.ifname])
|
||||
# wait for lock-time
|
||||
time.sleep(1)
|
||||
|
||||
open(procfile, 'w').write('1')
|
||||
|
||||
if "OK" not in hapd.request('DATA_TEST_FRAME ' + pkt):
|
||||
raise Exception("DATA_TEST_FRAME failed")
|
||||
|
||||
if hapd.own_addr() in subprocess.check_output(['ip', 'neigh', 'show']):
|
||||
raise Exception("gratuitous ARP frame updated erroneously")
|
||||
finally:
|
||||
subprocess.call(['ip', 'neigh', 'del', '10.0.0.1', 'dev', dev.ifname])
|
||||
open(procfile, 'w').write('0')
|
||||
|
||||
def test_ip6_drop_unsolicited_na(devs, apdevs, params):
|
||||
require_under_vm()
|
||||
dev = devs[0]
|
||||
procfile = '/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na' % dev.ifname
|
||||
if not os.path.exists(procfile):
|
||||
raise HwsimSkip("kernel doesn't have capability")
|
||||
|
||||
ap_params = { 'ssid': 'open', 'channel': '5' }
|
||||
hapd = hostapd.add_ap(apdevs[0]['ifname'], ap_params)
|
||||
dev.connect('open', key_mgmt="NONE", scan_freq="2432")
|
||||
|
||||
with IPAssign(dev.ifname, 'fdaa::1/48', ipv6=True):
|
||||
# add an entry that can be updated by unsolicited NA
|
||||
subprocess.call(['ip', '-6', 'neigh', 'add', 'fdaa::2', 'lladdr', '02:00:00:00:00:ff', 'nud', 'reachable', 'dev', dev.ifname])
|
||||
try:
|
||||
ap_addr = hapd.own_addr()
|
||||
cl_addr = dev.own_addr()
|
||||
pkt = build_na(ap_addr, 'fdaa::2', 'ff02::1', 'fdaa::2', flags=0x20,
|
||||
opt=binascii.unhexlify('0201' + ap_addr.replace(':', '')))
|
||||
pkt = binascii.hexlify(pkt)
|
||||
|
||||
if "OK" not in hapd.request('DATA_TEST_FRAME ' + pkt):
|
||||
raise Exception("DATA_TEST_FRAME failed")
|
||||
|
||||
if not hapd.own_addr() in subprocess.check_output(['ip', 'neigh', 'show']):
|
||||
raise Exception("unsolicited NA frame failed to update")
|
||||
|
||||
subprocess.call(['ip', '-6', 'neigh', 'replace', 'fdaa::2', 'lladdr', '02:00:00:00:00:ff', 'nud', 'reachable', 'dev', dev.ifname])
|
||||
|
||||
open(procfile, 'w').write('1')
|
||||
|
||||
if "OK" not in hapd.request('DATA_TEST_FRAME ' + pkt):
|
||||
raise Exception("DATA_TEST_FRAME failed")
|
||||
|
||||
if hapd.own_addr() in subprocess.check_output(['ip', 'neigh', 'show']):
|
||||
raise Exception("unsolicited NA frame updated erroneously")
|
||||
finally:
|
||||
subprocess.call(['ip', '-6', 'neigh', 'del', 'fdaa::2', 'dev', dev.ifname])
|
||||
open(procfile, 'w').write('0')
|
||||
Loading…
Reference in a new issue