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538da4f4d2
fragattacks/tests/hwsim/test_ap_tdls.py
Jouni Malinen 538da4f4d2 tests: TDLS setup failure due to BSSID mismatch 
Signed-off-by: Jouni Malinen <j@w1.fi>
2014-04-05 20:42:12 +03:00

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# TDLS tests
# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import time
import logging
logger = logging.getLogger()
import subprocess
import hwsim_utils
from hostapd import HostapdGlobal
from hostapd import Hostapd
import hostapd
from wlantest import Wlantest
def start_ap_wpa2_psk(ifname):
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
hostapd.add_ap(ifname, params)
def connectivity(dev, ap_ifname):
hwsim_utils.test_connectivity_sta(dev[0], dev[1])
hwsim_utils.test_connectivity(dev[0].ifname, ap_ifname)
hwsim_utils.test_connectivity(dev[1].ifname, ap_ifname)
def connect_2sta(dev, ssid, ap_ifname):
dev[0].connect(ssid, psk="12345678", scan_freq="2412")
dev[1].connect(ssid, psk="12345678", scan_freq="2412")
connectivity(dev, ap_ifname)
def connect_2sta_wpa2_psk(dev, ap_ifname):
connect_2sta(dev, "test-wpa2-psk", ap_ifname)
def connect_2sta_wpa_psk(dev, ap_ifname):
connect_2sta(dev, "test-wpa-psk", ap_ifname)
def connect_2sta_wpa_psk_mixed(dev, ap_ifname):
dev[0].connect("test-wpa-mixed-psk", psk="12345678", proto="WPA",
scan_freq="2412")
dev[1].connect("test-wpa-mixed-psk", psk="12345678", proto="WPA2",
scan_freq="2412")
connectivity(dev, ap_ifname)
def connect_2sta_wep(dev, ap_ifname):
dev[0].connect("test-wep", key_mgmt="NONE", wep_key0='"hello"',
scan_freq="2412")
dev[1].connect("test-wep", key_mgmt="NONE", wep_key0='"hello"',
scan_freq="2412")
connectivity(dev, ap_ifname)
def connect_2sta_open(dev, ap_ifname):
dev[0].connect("test-open", key_mgmt="NONE", scan_freq="2412")
dev[1].connect("test-open", key_mgmt="NONE", scan_freq="2412")
connectivity(dev, ap_ifname)
def wlantest_setup():
wt = Wlantest()
wt.flush()
wt.add_passphrase("12345678")
wt.add_wepkey("68656c6c6f")
def wlantest_tdls_packet_counters(bssid, addr0, addr1):
wt = Wlantest()
dl = wt.get_tdls_counter("valid_direct_link", bssid, addr0, addr1)
inv_dl = wt.get_tdls_counter("invalid_direct_link", bssid, addr0, addr1)
ap = wt.get_tdls_counter("valid_ap_path", bssid, addr0, addr1)
inv_ap = wt.get_tdls_counter("invalid_ap_path", bssid, addr0, addr1)
return [dl,inv_dl,ap,inv_ap]
def tdls_check_dl(sta0, sta1, bssid, addr0, addr1):
wt = Wlantest()
wt.tdls_clear(bssid, addr0, addr1)
hwsim_utils.test_connectivity_sta(sta0, sta1)
[dl,inv_dl,ap,inv_ap] = wlantest_tdls_packet_counters(bssid, addr0, addr1)
if dl == 0:
raise Exception("No valid frames through direct link")
if inv_dl > 0:
raise Exception("Invalid frames through direct link")
if ap > 0:
raise Exception("Unexpected frames through AP path")
if inv_ap > 0:
raise Exception("Invalid frames through AP path")
def tdls_check_ap(sta0, sta1, bssid, addr0, addr1):
wt = Wlantest()
wt.tdls_clear(bssid, addr0, addr1);
hwsim_utils.test_connectivity_sta(sta0, sta1)
[dl,inv_dl,ap,inv_ap] = wlantest_tdls_packet_counters(bssid, addr0, addr1)
if dl > 0:
raise Exception("Unexpected frames through direct link")
if inv_dl > 0:
raise Exception("Invalid frames through direct link")
if ap == 0:
raise Exception("No valid frames through AP path")
if inv_ap > 0:
raise Exception("Invalid frames through AP path")
def check_connectivity(sta0, sta1, ap):
hwsim_utils.test_connectivity_sta(sta0, sta1)
hwsim_utils.test_connectivity(sta0.ifname, ap['ifname'])
hwsim_utils.test_connectivity(sta1.ifname, ap['ifname'])
def setup_tdls(sta0, sta1, ap, reverse=False, expect_fail=False):
logger.info("Setup TDLS")
check_connectivity(sta0, sta1, ap)
bssid = ap['bssid']
addr0 = sta0.p2p_interface_addr()
addr1 = sta1.p2p_interface_addr()
wt = Wlantest()
wt.tdls_clear(bssid, addr0, addr1);
wt.tdls_clear(bssid, addr1, addr0);
sta0.tdls_setup(addr1)
time.sleep(1)
if expect_fail:
tdls_check_ap(sta0, sta1, bssid, addr0, addr1)
return
if reverse:
addr1 = sta0.p2p_interface_addr()
addr0 = sta1.p2p_interface_addr()
conf = wt.get_tdls_counter("setup_conf_ok", bssid, addr0, addr1);
if conf == 0:
raise Exception("No TDLS Setup Confirm (success) seen")
tdls_check_dl(sta0, sta1, bssid, addr0, addr1)
check_connectivity(sta0, sta1, ap)
def teardown_tdls(sta0, sta1, ap):
logger.info("Teardown TDLS")
check_connectivity(sta0, sta1, ap)
bssid = ap['bssid']
addr0 = sta0.p2p_interface_addr()
addr1 = sta1.p2p_interface_addr()
sta0.tdls_teardown(addr1)
time.sleep(1)
wt = Wlantest()
teardown = wt.get_tdls_counter("teardown", bssid, addr0, addr1);
if teardown == 0:
raise Exception("No TDLS Setup Teardown seen")
tdls_check_ap(sta0, sta1, bssid, addr0, addr1)
check_connectivity(sta0, sta1, ap)
def test_ap_tdls_discovery(dev, apdev):
"""WPA2-PSK AP and two stations using TDLS discovery"""
start_ap_wpa2_psk(apdev[0]['ifname'])
wlantest_setup()
connect_2sta_wpa2_psk(dev, apdev[0]['ifname'])
dev[0].request("TDLS_DISCOVER " + dev[1].p2p_interface_addr())
time.sleep(0.2)
def test_ap_wpa2_tdls(dev, apdev):
"""WPA2-PSK AP and two stations using TDLS"""
start_ap_wpa2_psk(apdev[0]['ifname'])
wlantest_setup()
connect_2sta_wpa2_psk(dev, apdev[0]['ifname'])
setup_tdls(dev[0], dev[1], apdev[0])
teardown_tdls(dev[0], dev[1], apdev[0])
setup_tdls(dev[1], dev[0], apdev[0])
#teardown_tdls(dev[0], dev[1], apdev[0])
def test_ap_wpa2_tdls_concurrent_init(dev, apdev):
"""Concurrent TDLS setup initiation"""
start_ap_wpa2_psk(apdev[0]['ifname'])
wlantest_setup()
connect_2sta_wpa2_psk(dev, apdev[0]['ifname'])
dev[0].request("SET tdls_testing 0x80")
setup_tdls(dev[1], dev[0], apdev[0], reverse=True)
def test_ap_wpa2_tdls_concurrent_init2(dev, apdev):
"""Concurrent TDLS setup initiation (reverse)"""
start_ap_wpa2_psk(apdev[0]['ifname'])
wlantest_setup()
connect_2sta_wpa2_psk(dev, apdev[0]['ifname'])
dev[1].request("SET tdls_testing 0x80")
setup_tdls(dev[0], dev[1], apdev[0])
def test_ap_wpa2_tdls_decline_resp(dev, apdev):
"""Decline TDLS Setup Response"""
start_ap_wpa2_psk(apdev[0]['ifname'])
wlantest_setup()
connect_2sta_wpa2_psk(dev, apdev[0]['ifname'])
dev[1].request("SET tdls_testing 0x200")
setup_tdls(dev[1], dev[0], apdev[0], expect_fail=True)
def test_ap_wpa2_tdls_long_lifetime(dev, apdev):
"""TDLS with long TPK lifetime"""
start_ap_wpa2_psk(apdev[0]['ifname'])
wlantest_setup()
connect_2sta_wpa2_psk(dev, apdev[0]['ifname'])
dev[1].request("SET tdls_testing 0x40")
setup_tdls(dev[1], dev[0], apdev[0])
def test_ap_wpa2_tdls_long_frame(dev, apdev):
"""TDLS with long setup/teardown frames"""
start_ap_wpa2_psk(apdev[0]['ifname'])
wlantest_setup()
connect_2sta_wpa2_psk(dev, apdev[0]['ifname'])
dev[0].request("SET tdls_testing 0x1")
dev[1].request("SET tdls_testing 0x1")
setup_tdls(dev[1], dev[0], apdev[0])
teardown_tdls(dev[1], dev[0], apdev[0])
setup_tdls(dev[0], dev[1], apdev[0])
def test_ap_wpa2_tdls_reneg(dev, apdev):
"""Renegotiate TDLS link"""
start_ap_wpa2_psk(apdev[0]['ifname'])
wlantest_setup()
connect_2sta_wpa2_psk(dev, apdev[0]['ifname'])
setup_tdls(dev[1], dev[0], apdev[0])
setup_tdls(dev[0], dev[1], apdev[0])
def test_ap_wpa2_tdls_wrong_lifetime_resp(dev, apdev):
"""Incorrect TPK lifetime in TDLS Setup Response"""
start_ap_wpa2_psk(apdev[0]['ifname'])
wlantest_setup()
connect_2sta_wpa2_psk(dev, apdev[0]['ifname'])
dev[1].request("SET tdls_testing 0x10")
setup_tdls(dev[0], dev[1], apdev[0], expect_fail=True)
def test_ap_wpa2_tdls_diff_rsnie(dev, apdev):
"""TDLS with different RSN IEs"""
start_ap_wpa2_psk(apdev[0]['ifname'])
wlantest_setup()
connect_2sta_wpa2_psk(dev, apdev[0]['ifname'])
dev[1].request("SET tdls_testing 0x2")
setup_tdls(dev[1], dev[0], apdev[0])
teardown_tdls(dev[1], dev[0], apdev[0])
def test_ap_wpa_tdls(dev, apdev):
"""WPA-PSK AP and two stations using TDLS"""
hostapd.add_ap(apdev[0]['ifname'],
hostapd.wpa_params(ssid="test-wpa-psk",
passphrase="12345678"))
wlantest_setup()
connect_2sta_wpa_psk(dev, apdev[0]['ifname'])
setup_tdls(dev[0], dev[1], apdev[0])
teardown_tdls(dev[0], dev[1], apdev[0])
setup_tdls(dev[1], dev[0], apdev[0])
def test_ap_wpa_mixed_tdls(dev, apdev):
"""WPA+WPA2-PSK AP and two stations using TDLS"""
hostapd.add_ap(apdev[0]['ifname'],
hostapd.wpa_mixed_params(ssid="test-wpa-mixed-psk",
passphrase="12345678"))
wlantest_setup()
connect_2sta_wpa_psk_mixed(dev, apdev[0]['ifname'])
setup_tdls(dev[0], dev[1], apdev[0])
teardown_tdls(dev[0], dev[1], apdev[0])
setup_tdls(dev[1], dev[0], apdev[0])
def test_ap_wep_tdls(dev, apdev):
"""WEP AP and two stations using TDLS"""
hostapd.add_ap(apdev[0]['ifname'],
{ "ssid": "test-wep", "wep_key0": '"hello"' })
wlantest_setup()
connect_2sta_wep(dev, apdev[0]['ifname'])
setup_tdls(dev[0], dev[1], apdev[0])
teardown_tdls(dev[0], dev[1], apdev[0])
setup_tdls(dev[1], dev[0], apdev[0])
def test_ap_open_tdls(dev, apdev):
"""Open AP and two stations using TDLS"""
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-open" })
wlantest_setup()
connect_2sta_open(dev, apdev[0]['ifname'])
setup_tdls(dev[0], dev[1], apdev[0])
teardown_tdls(dev[0], dev[1], apdev[0])
setup_tdls(dev[1], dev[0], apdev[0])
def test_ap_wpa2_tdls_bssid_mismatch(dev, apdev):
"""TDLS failure due to BSSID mismatch"""
try:
ssid = "test-wpa2-psk"
passphrase = "12345678"
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['bridge'] = 'ap-br0'
hostapd.add_ap(apdev[0]['ifname'], params)
hostapd.add_ap(apdev[1]['ifname'], params)
wlantest_setup()
subprocess.call(['sudo', 'brctl', 'setfd', 'ap-br0', '0'])
subprocess.call(['sudo', 'ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
dev[0].connect(ssid, psk=passphrase, scan_freq="2412",
bssid=apdev[0]['bssid'])
dev[1].connect(ssid, psk=passphrase, scan_freq="2412",
bssid=apdev[1]['bssid'])
connectivity(dev, "ap-br0")
addr0 = dev[0].p2p_interface_addr()
dev[1].tdls_setup(addr0)
time.sleep(1)
hwsim_utils.test_connectivity_sta(dev[0], dev[1])
finally:
subprocess.call(['sudo', 'ip', 'link', 'set', 'dev', 'ap-br0', 'down'])
subprocess.call(['sudo', 'brctl', 'delbr', 'ap-br0'])
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