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