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tests: Delayed group M1 retransmission

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2017-10-14 16:54:51 +03:00
parent 8e5931f0c7
commit 724152a1ef
1 changed files with 69 additions and 1 deletions
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70
tests/hwsim/test_ap_ciphers.py
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@ -9,10 +9,11 @@ import time
import logging
logger = logging.getLogger()
import os
import subprocess
import hwsim_utils
import hostapd
from utils import HwsimSkip, skip_with_fips
from utils import HwsimSkip, skip_with_fips, require_under_vm
from wlantest import Wlantest
def check_cipher(dev, ap, cipher):
@ -343,3 +344,70 @@ def test_ap_cipher_bip_req_mismatch(dev, apdev):
dev[0].set_network(id, "group_mgmt", "AES-128-CMAC")
dev[0].select_network(id)
dev[0].wait_connected()
def get_rx_spec(phy, gtk=False):
keys = "/sys/kernel/debug/ieee80211/%s/keys" % (phy)
for key in os.listdir(keys):
keydir = keys + "/" + key
files = os.listdir(keydir)
if not gtk and "station" not in files:
continue
if gtk and "station" in files:
continue
with open(keydir + "/rx_spec") as f:
return f.read()
return None
def test_ap_wpa2_delayed_group_m1_retransmission(dev, apdev):
"""Delayed group M1 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_group_m1_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_group_m1_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 = get_rx_spec(phy, gtk=True).splitlines()
addr = dev[0].own_addr()
if "OK" not in hapd.request("RESEND_GROUP_M1 " + addr):
raise Exception("RESEND_GROUP_M1 failed")
time.sleep(0.1)
after = 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)):
b = int(before[i], 16)
a = int(after[i], 16)
if a < b:
raise Exception("RX counter decreased: idx=%d before=%d after=%d" % (i, b, a))