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tests: Delayed 4-way handshake M1 and M3 retransmission

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2017-10-14 17:25:28 +03:00
parent 724152a1ef
commit 59cbfa7c86
1 changed files with 147 additions and 0 deletions
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147
tests/hwsim/test_ap_ciphers.py
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@ -358,6 +358,153 @@ def get_rx_spec(phy, gtk=False):
return f.read()
return None
def test_ap_wpa2_delayed_m3_retransmission(dev, apdev):
"""Delayed M3 retransmission"""
require_under_vm()
try:
subprocess.call(['sysctl', '-w', 'net.ipv6.conf.all.disable_ipv6=1'],
stdout=open('/dev/null', 'w'))
subprocess.call(['sysctl', '-w',
'net.ipv6.conf.default.disable_ipv6=1'],
stdout=open('/dev/null', 'w'))
run_ap_wpa2_delayed_m3_retransmission(dev, apdev)
finally:
subprocess.call(['sysctl', '-w', 'net.ipv6.conf.all.disable_ipv6=0'],
stdout=open('/dev/null', 'w'))
subprocess.call(['sysctl', '-w',
'net.ipv6.conf.default.disable_ipv6=0'],
stdout=open('/dev/null', 'w'))
def run_ap_wpa2_delayed_m3_retransmission(dev, apdev):
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
Wlantest.setup(hapd)
wt = Wlantest()
wt.flush()
wt.add_passphrase("12345678")
phy = dev[0].get_driver_status_field("phyname")
dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
for i in range(5):
hwsim_utils.test_connectivity(dev[0], hapd)
time.sleep(0.1)
before_tk = get_rx_spec(phy, gtk=False).splitlines()
before_gtk = get_rx_spec(phy, gtk=True).splitlines()
addr = dev[0].own_addr()
if "OK" not in hapd.request("RESEND_M3 " + addr):
raise Exception("RESEND_M3 failed")
time.sleep(0.1)
after_tk = get_rx_spec(phy, gtk=False).splitlines()
after_gtk = get_rx_spec(phy, gtk=True).splitlines()
if "OK" not in hapd.request("RESET_PN " + addr):
raise Exception("RESET_PN failed")
time.sleep(0.1)
hwsim_utils.test_connectivity(dev[0], hapd, timeout=1,
success_expected=False)
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
for i in range(len(before_tk)):
b = int(before_tk[i], 16)
a = int(after_tk[i], 16)
if a < b:
raise Exception("TK RX counter decreased: idx=%d before=%d after=%d" % (i, b, a))
for i in range(len(before_gtk)):
b = int(before_gtk[i], 16)
a = int(after_gtk[i], 16)
if a < b:
raise Exception("GTK RX counter decreased: idx=%d before=%d after=%d" % (i, b, a))
def test_ap_wpa2_delayed_m1_m3_retransmission(dev, apdev):
"""Delayed M1+M3 retransmission"""
require_under_vm()
try:
subprocess.call(['sysctl', '-w', 'net.ipv6.conf.all.disable_ipv6=1'],
stdout=open('/dev/null', 'w'))
subprocess.call(['sysctl', '-w',
'net.ipv6.conf.default.disable_ipv6=1'],
stdout=open('/dev/null', 'w'))
run_ap_wpa2_delayed_m1_m3_retransmission(dev, apdev)
finally:
subprocess.call(['sysctl', '-w', 'net.ipv6.conf.all.disable_ipv6=0'],
stdout=open('/dev/null', 'w'))
subprocess.call(['sysctl', '-w',
'net.ipv6.conf.default.disable_ipv6=0'],
stdout=open('/dev/null', 'w'))
def test_ap_wpa2_delayed_m1_m3_retransmission2(dev, apdev):
"""Delayed M1+M3 retransmission (change M1 ANonce)"""
require_under_vm()
try:
subprocess.call(['sysctl', '-w', 'net.ipv6.conf.all.disable_ipv6=1'],
stdout=open('/dev/null', 'w'))
subprocess.call(['sysctl', '-w',
'net.ipv6.conf.default.disable_ipv6=1'],
stdout=open('/dev/null', 'w'))
run_ap_wpa2_delayed_m1_m3_retransmission(dev, apdev, True)
finally:
subprocess.call(['sysctl', '-w', 'net.ipv6.conf.all.disable_ipv6=0'],
stdout=open('/dev/null', 'w'))
subprocess.call(['sysctl', '-w',
'net.ipv6.conf.default.disable_ipv6=0'],
stdout=open('/dev/null', 'w'))
def run_ap_wpa2_delayed_m1_m3_retransmission(dev, apdev,
change_m1_anonce=False):
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
hapd = hostapd.add_ap(apdev[0], params)
Wlantest.setup(hapd)
wt = Wlantest()
wt.flush()
wt.add_passphrase("12345678")
phy = dev[0].get_driver_status_field("phyname")
dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
for i in range(5):
hwsim_utils.test_connectivity(dev[0], hapd)
time.sleep(0.1)
before_tk = get_rx_spec(phy, gtk=False).splitlines()
before_gtk = get_rx_spec(phy, gtk=True).splitlines()
addr = dev[0].own_addr()
if change_m1_anonce:
if "OK" not in hapd.request("RESEND_M1 " + addr + " change-anonce"):
raise Exception("RESEND_M1 failed")
if "OK" not in hapd.request("RESEND_M1 " + addr):
raise Exception("RESEND_M1 failed")
if "OK" not in hapd.request("RESEND_M3 " + addr):
raise Exception("RESEND_M3 failed")
time.sleep(0.1)
after_tk = get_rx_spec(phy, gtk=False).splitlines()
after_gtk = get_rx_spec(phy, gtk=True).splitlines()
if "OK" not in hapd.request("RESET_PN " + addr):
raise Exception("RESET_PN failed")
time.sleep(0.1)
hwsim_utils.test_connectivity(dev[0], hapd, timeout=1,
success_expected=False)
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
for i in range(len(before_tk)):
b = int(before_tk[i], 16)
a = int(after_tk[i], 16)
if a < b:
raise Exception("TK RX counter decreased: idx=%d before=%d after=%d" % (i, b, a))
for i in range(len(before_gtk)):
b = int(before_gtk[i], 16)
a = int(after_gtk[i], 16)
if a < b:
raise Exception("GTK RX counter decreased: idx=%d before=%d after=%d" % (i, b, a))
def test_ap_wpa2_delayed_group_m1_retransmission(dev, apdev):
"""Delayed group M1 retransmission"""
require_under_vm()