From 724152a1efc7a6368effe1ac87268479bc408e33 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Sat, 14 Oct 2017 16:54:51 +0300 Subject: [PATCH] tests: Delayed group M1 retransmission Signed-off-by: Jouni Malinen --- tests/hwsim/test_ap_ciphers.py | 70 +++++++++++++++++++++++++++++++++- 1 file changed, 69 insertions(+), 1 deletion(-) diff --git a/tests/hwsim/test_ap_ciphers.py b/tests/hwsim/test_ap_ciphers.py index f6c9fe385..b1adbd5cf 100644 --- a/tests/hwsim/test_ap_ciphers.py +++ b/tests/hwsim/test_ap_ciphers.py @@ -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))