hostap/tests/hwsim/test_ap_ciphers.py

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# Cipher suite tests
# Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
from remotehost import remote_compatible
import time
import logging
logger = logging.getLogger()
import os
import subprocess
import hwsim_utils
import hostapd
from utils import *
from wlantest import Wlantest
from wpasupplicant import WpaSupplicant
KT_PTK, KT_GTK, KT_IGTK, KT_BIGTK = range(4)
def check_cipher(dev, ap, cipher, group_cipher=None):
if cipher not in dev.get_capability("pairwise"):
raise HwsimSkip("Cipher %s not supported" % cipher)
if group_cipher and group_cipher not in dev.get_capability("group"):
raise HwsimSkip("Cipher %s not supported" % group_cipher)
params = {"ssid": "test-wpa2-psk",
"wpa_passphrase": "12345678",
"wpa": "2",
"wpa_key_mgmt": "WPA-PSK",
"rsn_pairwise": cipher}
if group_cipher:
params["group_cipher"] = group_cipher
else:
group_cipher = cipher
hapd = hostapd.add_ap(ap, params)
dev.connect("test-wpa2-psk", psk="12345678",
pairwise=cipher, group=group_cipher, scan_freq="2412")
hapd.wait_sta()
hwsim_utils.test_connectivity(dev, hapd)
def check_group_mgmt_cipher(dev, ap, cipher, sta_req_cipher=None):
if cipher not in dev.get_capability("group_mgmt"):
raise HwsimSkip("Cipher %s not supported" % cipher)
params = {"ssid": "test-wpa2-psk-pmf",
"wpa_passphrase": "12345678",
"wpa": "2",
"ieee80211w": "2",
"wpa_key_mgmt": "WPA-PSK-SHA256",
"rsn_pairwise": "CCMP",
"group_mgmt_cipher": cipher}
hapd = hostapd.add_ap(ap, params)
Wlantest.setup(hapd)
wt = Wlantest()
wt.flush()
wt.add_passphrase("12345678")
dev.connect("test-wpa2-psk-pmf", psk="12345678", ieee80211w="2",
key_mgmt="WPA-PSK-SHA256", group_mgmt=sta_req_cipher,
pairwise="CCMP", group="CCMP", scan_freq="2412")
hapd.wait_sta()
hwsim_utils.test_connectivity(dev, hapd)
hapd.request("DEAUTHENTICATE ff:ff:ff:ff:ff:ff")
dev.wait_disconnected()
if wt.get_bss_counter('valid_bip_mmie', ap['bssid']) < 1:
raise Exception("No valid BIP MMIE seen")
if wt.get_bss_counter('bip_deauth', ap['bssid']) < 1:
raise Exception("No valid BIP deauth seen")
if cipher == "AES-128-CMAC":
group_mgmt = "BIP"
else:
group_mgmt = cipher
res = wt.info_bss('group_mgmt', ap['bssid']).strip()
if res != group_mgmt:
raise Exception("Unexpected group mgmt cipher: " + res)
@remote_compatible
def test_ap_cipher_tkip(dev, apdev):
"""WPA2-PSK/TKIP connection"""
skip_with_fips(dev[0])
skip_without_tkip(dev[0])
check_cipher(dev[0], apdev[0], "TKIP")
@remote_compatible
def test_ap_cipher_tkip_countermeasures_ap(dev, apdev):
"""WPA-PSK/TKIP countermeasures (detected by AP)"""
skip_with_fips(dev[0])
skip_without_tkip(dev[0])
testfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/tkip_mic_test" % (dev[0].get_driver_status_field("phyname"), dev[0].ifname)
if dev[0].cmd_execute(["ls", testfile])[0] != 0:
raise HwsimSkip("tkip_mic_test not supported in mac80211")
params = {"ssid": "tkip-countermeasures",
"wpa_passphrase": "12345678",
"wpa": "1",
"wpa_key_mgmt": "WPA-PSK",
"wpa_pairwise": "TKIP"}
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("tkip-countermeasures", psk="12345678",
pairwise="TKIP", group="TKIP", scan_freq="2412")
dev[0].dump_monitor()
dev[0].cmd_execute(["echo", "-n", apdev[0]['bssid'], ">", testfile],
shell=True)
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected disconnection on first Michael MIC failure")
dev[0].cmd_execute(["echo", "-n", "ff:ff:ff:ff:ff:ff", ">", testfile],
shell=True)
ev = dev[0].wait_disconnected(timeout=10,
error="No disconnection after two Michael MIC failures")
if "reason=14" not in ev:
raise Exception("Unexpected disconnection reason: " + ev)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection during TKIP countermeasures")
def test_ap_cipher_tkip_countermeasures_ap_mixed_mode(dev, apdev):
"""WPA+WPA2-PSK/TKIP countermeasures (detected by mixed mode AP)"""
skip_with_fips(dev[0])
skip_without_tkip(dev[0])
testfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/tkip_mic_test" % (dev[0].get_driver_status_field("phyname"), dev[0].ifname)
if dev[0].cmd_execute(["ls", testfile])[0] != 0:
raise HwsimSkip("tkip_mic_test not supported in mac80211")
params = {"ssid": "tkip-countermeasures",
"wpa_passphrase": "12345678",
"wpa": "3",
"wpa_key_mgmt": "WPA-PSK",
"wpa_pairwise": "TKIP",
"rsn_pairwise": "CCMP"}
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("tkip-countermeasures", psk="12345678",
pairwise="TKIP", group="TKIP", scan_freq="2412")
dev[1].connect("tkip-countermeasures", psk="12345678",
pairwise="CCMP", scan_freq="2412")
dev[0].dump_monitor()
dev[0].cmd_execute(["echo", "-n", apdev[0]['bssid'], ">", testfile],
shell=True)
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected disconnection on first Michael MIC failure")
dev[0].cmd_execute(["echo", "-n", "ff:ff:ff:ff:ff:ff", ">", testfile],
shell=True)
ev = dev[0].wait_disconnected(timeout=10,
error="No disconnection after two Michael MIC failures")
if "reason=14" not in ev:
raise Exception("Unexpected disconnection reason: " + ev)
ev = dev[1].wait_disconnected(timeout=10,
error="No disconnection after two Michael MIC failures (2)")
if "reason=14" not in ev:
raise Exception("Unexpected disconnection reason (2): " + ev)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection during TKIP countermeasures (1)")
ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection during TKIP countermeasures (2)")
@remote_compatible
def test_ap_cipher_tkip_countermeasures_sta(dev, apdev):
"""WPA-PSK/TKIP countermeasures (detected by STA)"""
skip_with_fips(dev[0])
skip_without_tkip(dev[0])
params = {"ssid": "tkip-countermeasures",
"wpa_passphrase": "12345678",
"wpa": "1",
"wpa_key_mgmt": "WPA-PSK",
"wpa_pairwise": "TKIP"}
hapd = hostapd.add_ap(apdev[0], params)
testfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/tkip_mic_test" % (hapd.get_driver_status_field("phyname"), apdev[0]['ifname'])
if hapd.cmd_execute(["ls", testfile])[0] != 0:
raise HwsimSkip("tkip_mic_test not supported in mac80211")
dev[0].connect("tkip-countermeasures", psk="12345678",
pairwise="TKIP", group="TKIP", scan_freq="2412")
dev[0].dump_monitor()
hapd.cmd_execute(["echo", "-n", dev[0].own_addr(), ">", testfile],
shell=True)
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected disconnection on first Michael MIC failure")
hapd.cmd_execute(["echo", "-n", "ff:ff:ff:ff:ff:ff", ">", testfile],
shell=True)
ev = dev[0].wait_disconnected(timeout=10,
error="No disconnection after two Michael MIC failures")
if "reason=14 locally_generated=1" not in ev:
raise Exception("Unexpected disconnection reason: " + ev)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection during TKIP countermeasures")
@long_duration_test
def test_ap_cipher_tkip_countermeasures_sta2(dev, apdev):
"""WPA-PSK/TKIP countermeasures (detected by two STAs)"""
skip_with_fips(dev[0])
skip_without_tkip(dev[0])
params = {"ssid": "tkip-countermeasures",
"wpa_passphrase": "12345678",
"wpa": "1",
"wpa_key_mgmt": "WPA-PSK",
"wpa_pairwise": "TKIP"}
hapd = hostapd.add_ap(apdev[0], params)
testfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/tkip_mic_test" % (hapd.get_driver_status_field("phyname"), apdev[0]['ifname'])
if hapd.cmd_execute(["ls", testfile])[0] != 0:
raise HwsimSkip("tkip_mic_test not supported in mac80211")
dev[0].connect("tkip-countermeasures", psk="12345678",
pairwise="TKIP", group="TKIP", scan_freq="2412")
dev[0].dump_monitor()
id = dev[1].connect("tkip-countermeasures", psk="12345678",
pairwise="TKIP", group="TKIP", scan_freq="2412")
dev[1].dump_monitor()
hapd.cmd_execute(["echo", "-n", "ff:ff:ff:ff:ff:ff", ">", testfile],
shell=True)
ev = dev[0].wait_disconnected(timeout=10,
error="No disconnection after two Michael MIC failure")
if "reason=14" not in ev:
raise Exception("Unexpected disconnection reason: " + ev)
ev = dev[1].wait_disconnected(timeout=5,
error="No disconnection after two Michael MIC failure")
if "reason=14" not in ev:
raise Exception("Unexpected disconnection reason: " + ev)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection during TKIP countermeasures")
ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection during TKIP countermeasures")
dev[0].request("REMOVE_NETWORK all")
logger.info("Waiting for TKIP countermeasures to end")
connected = False
start = os.times()[4]
while True:
now = os.times()[4]
if start + 70 < now:
break
dev[0].connect("tkip-countermeasures", psk="12345678",
pairwise="TKIP", group="TKIP", scan_freq="2412",
wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-AUTH-REJECT",
"CTRL-EVENT-CONNECTED"], timeout=10)
if ev is None:
raise Exception("No connection result")
if "CTRL-EVENT-CONNECTED" in ev:
connected = True
break
if "status_code=1" not in ev:
raise Exception("Unexpected connection failure reason during TKIP countermeasures: " + ev)
dev[0].request("REMOVE_NETWORK all")
time.sleep(1)
dev[0].dump_monitor()
dev[1].dump_monitor()
if not connected:
raise Exception("No connection after TKIP countermeasures terminated")
ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is None:
dev[1].request("DISCONNECT")
dev[1].select_network(id)
dev[1].wait_connected()
@remote_compatible
def test_ap_cipher_ccmp(dev, apdev):
"""WPA2-PSK/CCMP connection"""
check_cipher(dev[0], apdev[0], "CCMP")
def test_ap_cipher_gcmp(dev, apdev):
"""WPA2-PSK/GCMP connection"""
check_cipher(dev[0], apdev[0], "GCMP")
def test_ap_cipher_ccmp_256(dev, apdev):
"""WPA2-PSK/CCMP-256 connection"""
check_cipher(dev[0], apdev[0], "CCMP-256")
def test_ap_cipher_gcmp_256(dev, apdev):
"""WPA2-PSK/GCMP-256 connection"""
check_cipher(dev[0], apdev[0], "GCMP-256")
def test_ap_cipher_gcmp_256_group_gcmp_256(dev, apdev):
"""WPA2-PSK/GCMP-256 connection with group cipher override GCMP-256"""
check_cipher(dev[0], apdev[0], "GCMP-256", "GCMP-256")
def test_ap_cipher_gcmp_256_group_gcmp(dev, apdev):
"""WPA2-PSK/GCMP-256 connection with group cipher override GCMP"""
check_cipher(dev[0], apdev[0], "GCMP-256", "GCMP")
def test_ap_cipher_gcmp_256_group_ccmp_256(dev, apdev):
"""WPA2-PSK/GCMP-256 connection with group cipher override CCMP-256"""
check_cipher(dev[0], apdev[0], "GCMP-256", "CCMP-256")
def test_ap_cipher_gcmp_256_group_ccmp(dev, apdev):
"""WPA2-PSK/GCMP-256 connection with group cipher override CCMP"""
check_cipher(dev[0], apdev[0], "GCMP-256", "CCMP")
def test_ap_cipher_gcmp_ccmp(dev, apdev, params):
"""WPA2-PSK/GCMP/CCMP ciphers"""
config = os.path.join(params['logdir'], 'ap_cipher_gcmp_ccmp.conf')
for cipher in ["CCMP", "GCMP", "CCMP-256", "GCMP-256"]:
if cipher not in dev[0].get_capability("pairwise"):
raise HwsimSkip("Cipher %s not supported" % cipher)
if cipher not in dev[0].get_capability("group"):
raise HwsimSkip("Group cipher %s not supported" % cipher)
params = {"ssid": "test-wpa2-psk",
"wpa_passphrase": "12345678",
"wpa": "2",
"wpa_key_mgmt": "WPA-PSK",
"rsn_pairwise": "CCMP GCMP CCMP-256 GCMP-256"}
hapd = hostapd.add_ap(apdev[0], params)
for cipher in ["CCMP", "GCMP", "CCMP-256", "GCMP-256"]:
dev[0].connect("test-wpa2-psk", psk="12345678",
pairwise=cipher, group="CCMP", scan_freq="2412")
if dev[0].get_status_field("group_cipher") != "CCMP":
raise Exception("Unexpected group_cipher")
if dev[0].get_status_field("pairwise_cipher") != cipher:
raise Exception("Unexpected pairwise_cipher")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
dev[0].connect("test-wpa2-psk", psk="12345678",
pairwise="CCMP CCMP-256 GCMP GCMP-256",
group="CCMP CCMP-256 GCMP GCMP-256", scan_freq="2412")
if dev[0].get_status_field("group_cipher") != "CCMP":
raise Exception("Unexpected group_cipher")
res = dev[0].get_status_field("pairwise_cipher")
if res != "CCMP-256" and res != "GCMP-256":
raise Exception("Unexpected pairwise_cipher")
try:
with open(config, "w") as f:
f.write("network={\n" +
"\tssid=\"test-wpa2-psk\"\n" +
"\tkey_mgmt=WPA-PSK\n" +
"\tpsk=\"12345678\"\n" +
"\tpairwise=GCMP\n" +
"\tgroup=CCMP\n" +
"\tscan_freq=2412\n" +
"}\n")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", config=config)
wpas.wait_connected()
if wpas.get_status_field("group_cipher") != "CCMP":
raise Exception("Unexpected group_cipher")
if wpas.get_status_field("pairwise_cipher") != "GCMP":
raise Exception("Unexpected pairwise_cipher")
finally:
os.remove(config)
@remote_compatible
def test_ap_cipher_mixed_wpa_wpa2(dev, apdev):
"""WPA2-PSK/CCMP/ and WPA-PSK/TKIP mixed configuration"""
skip_with_fips(dev[0])
skip_without_tkip(dev[0])
ssid = "test-wpa-wpa2-psk"
passphrase = "12345678"
params = {"ssid": ssid,
"wpa_passphrase": passphrase,
"wpa": "3",
"wpa_key_mgmt": "WPA-PSK",
"rsn_pairwise": "CCMP",
"wpa_pairwise": "TKIP"}
hapd = hostapd.add_ap(apdev[0], params)
dev[0].flush_scan_cache()
dev[0].connect(ssid, psk=passphrase, proto="WPA2",
pairwise="CCMP", group="TKIP", scan_freq="2412")
status = dev[0].get_status()
if status['key_mgmt'] != 'WPA2-PSK':
raise Exception("Incorrect key_mgmt reported")
if status['pairwise_cipher'] != 'CCMP':
raise Exception("Incorrect pairwise_cipher reported")
if status['group_cipher'] != 'TKIP':
raise Exception("Incorrect group_cipher reported")
bss = dev[0].get_bss(apdev[0]['bssid'])
if bss['ssid'] != ssid:
raise Exception("Unexpected SSID in the BSS entry")
if "[WPA-PSK-TKIP]" not in bss['flags']:
raise Exception("Missing BSS flag WPA-PSK-TKIP")
if "[WPA2-PSK-CCMP]" not in bss['flags']:
raise Exception("Missing BSS flag WPA2-PSK-CCMP")
hapd.wait_sta()
hwsim_utils.test_connectivity(dev[0], hapd)
dev[1].connect(ssid, psk=passphrase, proto="WPA",
pairwise="TKIP", group="TKIP", scan_freq="2412")
status = dev[1].get_status()
if status['key_mgmt'] != 'WPA-PSK':
raise Exception("Incorrect key_mgmt reported")
if status['pairwise_cipher'] != 'TKIP':
raise Exception("Incorrect pairwise_cipher reported")
if status['group_cipher'] != 'TKIP':
raise Exception("Incorrect group_cipher reported")
hapd.wait_sta()
hwsim_utils.test_connectivity(dev[1], hapd)
hwsim_utils.test_connectivity(dev[0], dev[1])
@remote_compatible
def test_ap_cipher_bip(dev, apdev):
"""WPA2-PSK with BIP"""
check_group_mgmt_cipher(dev[0], apdev[0], "AES-128-CMAC")
def test_ap_cipher_bip_req(dev, apdev):
"""WPA2-PSK with BIP required"""
check_group_mgmt_cipher(dev[0], apdev[0], "AES-128-CMAC", "AES-128-CMAC")
def test_ap_cipher_bip_req2(dev, apdev):
"""WPA2-PSK with BIP required (2)"""
check_group_mgmt_cipher(dev[0], apdev[0], "AES-128-CMAC",
"AES-128-CMAC BIP-GMAC-128 BIP-GMAC-256 BIP-CMAC-256")
def test_ap_cipher_bip_gmac_128(dev, apdev):
"""WPA2-PSK with BIP-GMAC-128"""
check_group_mgmt_cipher(dev[0], apdev[0], "BIP-GMAC-128")
def test_ap_cipher_bip_gmac_128_req(dev, apdev):
"""WPA2-PSK with BIP-GMAC-128 required"""
check_group_mgmt_cipher(dev[0], apdev[0], "BIP-GMAC-128", "BIP-GMAC-128")
def test_ap_cipher_bip_gmac_256(dev, apdev):
"""WPA2-PSK with BIP-GMAC-256"""
check_group_mgmt_cipher(dev[0], apdev[0], "BIP-GMAC-256")
def test_ap_cipher_bip_gmac_256_req(dev, apdev):
"""WPA2-PSK with BIP-GMAC-256 required"""
check_group_mgmt_cipher(dev[0], apdev[0], "BIP-GMAC-256", "BIP-GMAC-256")
def test_ap_cipher_bip_cmac_256(dev, apdev):
"""WPA2-PSK with BIP-CMAC-256"""
check_group_mgmt_cipher(dev[0], apdev[0], "BIP-CMAC-256")
def test_ap_cipher_bip_cmac_256_req(dev, apdev):
"""WPA2-PSK with BIP-CMAC-256 required"""
check_group_mgmt_cipher(dev[0], apdev[0], "BIP-CMAC-256", "BIP-CMAC-256")
def test_ap_cipher_bip_req_mismatch(dev, apdev):
"""WPA2-PSK with BIP cipher mismatch"""
group_mgmt = dev[0].get_capability("group_mgmt")
for cipher in ["AES-128-CMAC", "BIP-GMAC-256"]:
if cipher not in group_mgmt:
raise HwsimSkip("Cipher %s not supported" % cipher)
params = {"ssid": "test-wpa2-psk-pmf",
"wpa_passphrase": "12345678",
"wpa": "2",
"ieee80211w": "2",
"wpa_key_mgmt": "WPA-PSK-SHA256",
"rsn_pairwise": "CCMP",
"group_mgmt_cipher": "AES-128-CMAC"}
hapd = hostapd.add_ap(apdev[0], params)
dev[0].scan_for_bss(hapd.own_addr(), 2412)
id = dev[0].connect("test-wpa2-psk-pmf", psk="12345678", ieee80211w="2",
key_mgmt="WPA-PSK-SHA256", group_mgmt="BIP-GMAC-256",
pairwise="CCMP", group="CCMP", scan_freq="2412",
wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-NETWORK-NOT-FOUND",
"CTRL-EVENT-CONNECTED"], timeout=10)
if ev is None:
raise Exception("Network selection result not indicated")
if "CTRL-EVENT-CONNECTED" in ev:
raise Exception("Unexpected connection")
dev[0].request("DISCONNECT")
dev[0].set_network(id, "group_mgmt", "AES-128-CMAC")
dev[0].select_network(id)
dev[0].wait_connected()
def get_rx_spec(phy, keytype=KT_PTK):
keys = "/sys/kernel/debug/ieee80211/%s/keys" % (phy)
try:
for key in os.listdir(keys):
keydir = keys + "/" + key
with open(keydir + '/keyidx') as f:
keyid = int(f.read())
if keytype in (KT_PTK, KT_GTK) and keyid not in (0, 1, 2, 3):
continue
if keytype == KT_IGTK and keyid not in (4, 5):
continue
if keytype == KT_BIGTK and keyid not in (6, 7):
continue
files = os.listdir(keydir)
if keytype == KT_PTK and "station" not in files:
continue
if keytype != KT_PTK and "station" in files:
continue
with open(keydir + "/rx_spec") as f:
return f.read()
except OSError as e:
raise HwsimSkip("debugfs not supported in mac80211")
return None
def get_tk_replay_counter(phy, keytype=KT_PTK):
keys = "/sys/kernel/debug/ieee80211/%s/keys" % (phy)
try:
for key in os.listdir(keys):
keydir = keys + "/" + key
with open(keydir + '/keyidx') as f:
keyid = int(f.read())
if keytype in (KT_PTK, KT_GTK) and keyid not in (0, 1, 2, 3):
continue
if keytype == KT_IGTK and keyid not in (4, 5):
continue
if keytype == KT_BIGTK and keyid not in (6, 7):
continue
files = os.listdir(keydir)
if keytype == KT_PTK and "station" not in files:
continue
if keytype != KT_PTK and "station" in files:
continue
with open(keydir + "/replays") as f:
return int(f.read())
except OSError as e:
raise HwsimSkip("debugfs not supported in mac80211")
return None
def test_ap_cipher_replay_protection_ap_ccmp(dev, apdev):
"""CCMP replay protection on AP"""
run_ap_cipher_replay_protection_ap(dev, apdev, "CCMP")
def test_ap_cipher_replay_protection_ap_tkip(dev, apdev):
"""TKIP replay protection on AP"""
skip_without_tkip(dev[0])
run_ap_cipher_replay_protection_ap(dev, apdev, "TKIP")
def test_ap_cipher_replay_protection_ap_gcmp(dev, apdev):
"""GCMP replay protection on AP"""
if "GCMP" not in dev[0].get_capability("pairwise"):
raise HwsimSkip("GCMP not supported")
run_ap_cipher_replay_protection_ap(dev, apdev, "GCMP")
def run_ap_cipher_replay_protection_ap(dev, apdev, cipher):
params = {"ssid": "test-wpa2-psk",
"wpa_passphrase": "12345678",
"wpa": "2",
"wpa_key_mgmt": "WPA-PSK",
"rsn_pairwise": cipher}
hapd = hostapd.add_ap(apdev[0], params)
phy = hapd.get_driver_status_field("phyname")
Wlantest.setup(hapd)
wt = Wlantest()
wt.flush()
wt.add_passphrase("12345678")
dev[0].connect("test-wpa2-psk", psk="12345678",
pairwise=cipher, group=cipher, scan_freq="2412")
hapd.wait_sta()
if cipher != "TKIP":
replays = get_tk_replay_counter(phy)
if replays != 0:
raise Exception("Unexpected replay reported (1)")
for i in range(5):
hwsim_utils.test_connectivity(dev[0], hapd)
if cipher != "TKIP":
replays = get_tk_replay_counter(phy)
if replays != 0:
raise Exception("Unexpected replay reported (2)")
if "OK" not in dev[0].request("RESET_PN"):
raise Exception("RESET_PN failed")
time.sleep(0.1)
hwsim_utils.test_connectivity(dev[0], hapd, timeout=1,
success_expected=False)
if cipher != "TKIP":
replays = get_tk_replay_counter(phy)
if replays < 1:
raise Exception("Replays not reported")
def test_ap_cipher_replay_protection_sta_ccmp(dev, apdev):
"""CCMP replay protection on STA (TK)"""
run_ap_cipher_replay_protection_sta(dev, apdev, "CCMP")
def test_ap_cipher_replay_protection_sta_tkip(dev, apdev):
"""TKIP replay protection on STA (TK)"""
skip_without_tkip(dev[0])
run_ap_cipher_replay_protection_sta(dev, apdev, "TKIP")
def test_ap_cipher_replay_protection_sta_gcmp(dev, apdev):
"""GCMP replay protection on STA (TK)"""
if "GCMP" not in dev[0].get_capability("pairwise"):
raise HwsimSkip("GCMP not supported")
run_ap_cipher_replay_protection_sta(dev, apdev, "GCMP")
def test_ap_cipher_replay_protection_sta_gtk_ccmp(dev, apdev):
"""CCMP replay protection on STA (GTK)"""
run_ap_cipher_replay_protection_sta(dev, apdev, "CCMP", keytype=KT_GTK)
def test_ap_cipher_replay_protection_sta_gtk_tkip(dev, apdev):
"""TKIP replay protection on STA (GTK)"""
skip_without_tkip(dev[0])
run_ap_cipher_replay_protection_sta(dev, apdev, "TKIP", keytype=KT_GTK)
def test_ap_cipher_replay_protection_sta_gtk_gcmp(dev, apdev):
"""GCMP replay protection on STA (GTK)"""
if "GCMP" not in dev[0].get_capability("pairwise"):
raise HwsimSkip("GCMP not supported")
run_ap_cipher_replay_protection_sta(dev, apdev, "GCMP", keytype=KT_GTK)
def run_ap_cipher_replay_protection_sta(dev, apdev, cipher, keytype=KT_PTK):
params = {"ssid": "test-wpa2-psk",
"wpa_passphrase": "12345678",
"wpa": "2",
"wpa_key_mgmt": "WPA-PSK",
"rsn_pairwise": cipher}
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",
pairwise=cipher, group=cipher, scan_freq="2412")
hapd.wait_sta()
if cipher != "TKIP":
replays = get_tk_replay_counter(phy, keytype)
if replays != 0:
raise Exception("Unexpected replay reported (1)")
for i in range(5):
hwsim_utils.test_connectivity(dev[0], hapd)
if cipher != "TKIP":
replays = get_tk_replay_counter(phy, keytype)
if replays != 0:
raise Exception("Unexpected replay reported (2)")
addr = "ff:ff:ff:ff:ff:ff" if keytype != KT_PTK else dev[0].own_addr()
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)
if cipher != "TKIP":
replays = get_tk_replay_counter(phy, keytype)
if replays < 1:
raise Exception("Replays not reported")
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")
hapd.wait_sta()
for i in range(5):
hwsim_utils.test_connectivity(dev[0], hapd)
time.sleep(0.1)
before_tk = get_rx_spec(phy, keytype=KT_PTK).splitlines()
before_gtk = get_rx_spec(phy, keytype=KT_GTK).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, keytype=KT_PTK).splitlines()
after_gtk = get_rx_spec(phy, keytype=KT_GTK).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")
hapd.wait_sta()
for i in range(5):
hwsim_utils.test_connectivity(dev[0], hapd)
time.sleep(0.1)
before_tk = get_rx_spec(phy, keytype=KT_PTK).splitlines()
before_gtk = get_rx_spec(phy, keytype=KT_GTK).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, keytype=KT_PTK).splitlines()
after_gtk = get_rx_spec(phy, keytype=KT_GTK).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()
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")
hapd.wait_sta()
for i in range(5):
hwsim_utils.test_connectivity(dev[0], hapd)
time.sleep(0.1)
before = get_rx_spec(phy, keytype=KT_GTK).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, keytype=KT_GTK).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))
def test_ap_wpa2_delayed_m1_m3_zero_tk(dev, apdev):
"""Delayed M1+M3 retransmission and zero TK"""
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")
dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
hapd.wait_sta()
hwsim_utils.test_connectivity(dev[0], hapd)
addr = dev[0].own_addr()
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")
KEY_FLAG_RX = 0x04
KEY_FLAG_TX = 0x08
KEY_FLAG_PAIRWISE = 0x20
KEY_FLAG_RX_TX = KEY_FLAG_RX | KEY_FLAG_TX
KEY_FLAG_PAIRWISE_RX_TX = KEY_FLAG_PAIRWISE | KEY_FLAG_RX_TX
if "OK" not in hapd.request("SET_KEY 3 %s %d %d %s %s %d" % (addr, 0, 1, 6*"00", 16*"00", KEY_FLAG_PAIRWISE_RX_TX)):
raise Exception("SET_KEY failed")
time.sleep(0.1)
hwsim_utils.test_connectivity(dev[0], hapd, timeout=1, broadcast=False,
success_expected=False)
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
def test_ap_wpa2_plaintext_m1_m3(dev, apdev):
"""Plaintext M1/M3 during PTK rekey"""
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")
dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
time.sleep(0.1)
addr = dev[0].own_addr()
if "OK" not in hapd.request("RESEND_M1 " + addr + " plaintext"):
raise Exception("RESEND_M1 failed")
time.sleep(0.1)
if "OK" not in hapd.request("RESEND_M3 " + addr + " plaintext"):
raise Exception("RESEND_M3 failed")
time.sleep(0.1)
def test_ap_wpa2_plaintext_m1_m3_pmf(dev, apdev):
"""Plaintext M1/M3 during PTK rekey (PMF)"""
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
params["ieee80211w"] = "2"
hapd = hostapd.add_ap(apdev[0], params)
Wlantest.setup(hapd)
wt = Wlantest()
wt.flush()
wt.add_passphrase("12345678")
dev[0].connect("test-wpa2-psk", psk="12345678", ieee80211w="2",
scan_freq="2412")
time.sleep(0.1)
addr = dev[0].own_addr()
if "OK" not in hapd.request("RESEND_M1 " + addr + " plaintext"):
raise Exception("RESEND_M1 failed")
time.sleep(0.1)
if "OK" not in hapd.request("RESEND_M3 " + addr + " plaintext"):
raise Exception("RESEND_M3 failed")
time.sleep(0.1)
def test_ap_wpa2_plaintext_m3(dev, apdev):
"""Plaintext M3 during PTK rekey"""
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")
dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
time.sleep(0.1)
addr = dev[0].own_addr()
if "OK" not in hapd.request("RESEND_M1 " + addr):
raise Exception("RESEND_M1 failed")
time.sleep(0.1)
if "OK" not in hapd.request("RESEND_M3 " + addr + " plaintext"):
raise Exception("RESEND_M3 failed")
time.sleep(0.1)
def test_ap_wpa2_plaintext_group_m1(dev, apdev):
"""Plaintext group M1"""
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")
dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
time.sleep(0.1)
addr = dev[0].own_addr()
if "OK" not in hapd.request("RESEND_GROUP_M1 " + addr + " plaintext"):
raise Exception("RESEND_GROUP_M1 failed")
time.sleep(0.2)
if "OK" not in hapd.request("RESEND_GROUP_M1 " + addr):
raise Exception("RESEND_GROUP_M1 failed")
time.sleep(0.1)
def test_ap_wpa2_plaintext_group_m1_pmf(dev, apdev):
"""Plaintext group M1 (PMF)"""
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
params["ieee80211w"] = "2"
hapd = hostapd.add_ap(apdev[0], params)
Wlantest.setup(hapd)
wt = Wlantest()
wt.flush()
wt.add_passphrase("12345678")
dev[0].connect("test-wpa2-psk", psk="12345678", ieee80211w="2",
scan_freq="2412")
time.sleep(0.1)
addr = dev[0].own_addr()
if "OK" not in hapd.request("RESEND_GROUP_M1 " + addr + " plaintext"):
raise Exception("RESEND_GROUP_M1 failed")
time.sleep(0.2)
if "OK" not in hapd.request("RESEND_GROUP_M1 " + addr):
raise Exception("RESEND_GROUP_M1 failed")
time.sleep(0.1)
def test_ap_wpa2_gtk_initial_rsc_tkip(dev, apdev):
"""Initial group cipher RSC (TKIP)"""
skip_without_tkip(dev[0])
run_ap_wpa2_gtk_initial_rsc(dev, apdev, "TKIP")
def test_ap_wpa2_gtk_initial_rsc_ccmp(dev, apdev):
"""Initial group cipher RSC (CCMP)"""
run_ap_wpa2_gtk_initial_rsc(dev, apdev, "CCMP")
def test_ap_wpa2_gtk_initial_rsc_ccmp_256(dev, apdev):
"""Initial group cipher RSC (CCMP-256)"""
run_ap_wpa2_gtk_initial_rsc(dev, apdev, "CCMP-256")
def test_ap_wpa2_gtk_initial_rsc_gcmp(dev, apdev):
"""Initial group cipher RSC (GCMP)"""
run_ap_wpa2_gtk_initial_rsc(dev, apdev, "GCMP")
def test_ap_wpa2_gtk_initial_rsc_gcmp_256(dev, apdev):
"""Initial group cipher RSC (GCMP-256)"""
run_ap_wpa2_gtk_initial_rsc(dev, apdev, "GCMP-256")
def run_ap_wpa2_gtk_initial_rsc(dev, apdev, cipher):
if cipher not in dev[0].get_capability("pairwise") or \
cipher not in dev[0].get_capability("group"):
raise HwsimSkip("Cipher %s not supported" % cipher)
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
params["rsn_pairwise"] = cipher
params["group_cipher"] = cipher
params["gtk_rsc_override"] = "341200000000"
hapd = hostapd.add_ap(apdev[0], params)
Wlantest.setup(hapd)
wt = Wlantest()
wt.flush()
wt.add_passphrase("12345678")
dev[0].connect("test-wpa2-psk", psk="12345678", proto="WPA2",
pairwise=cipher, group=cipher, scan_freq="2412")
hapd.wait_sta()
# Verify that unicast traffic works, but broadcast traffic does not.
hwsim_utils.test_connectivity(dev[0], hapd, broadcast=False)
hwsim_utils.test_connectivity(dev[0], hapd, success_expected=False)
hwsim_utils.test_connectivity(dev[0], hapd, success_expected=False)
def test_ap_wpa2_igtk_initial_rsc_aes_128_cmac(dev, apdev):
"""Initial management group cipher RSC (AES-128-CMAC)"""
run_ap_wpa2_igtk_initial_rsc(dev, apdev, "AES-128-CMAC")
def test_ap_wpa2_igtk_initial_rsc_bip_gmac_128(dev, apdev):
"""Initial management group cipher RSC (BIP-GMAC-128)"""
run_ap_wpa2_igtk_initial_rsc(dev, apdev, "BIP-GMAC-128")
def test_ap_wpa2_igtk_initial_rsc_bip_gmac_256(dev, apdev):
"""Initial management group cipher RSC (BIP-GMAC-256)"""
run_ap_wpa2_igtk_initial_rsc(dev, apdev, "BIP-GMAC-256")
def test_ap_wpa2_igtk_initial_rsc_bip_cmac_256(dev, apdev):
"""Initial management group cipher RSC (BIP-CMAC-256)"""
run_ap_wpa2_igtk_initial_rsc(dev, apdev, "BIP-CMAC-256")
def run_ap_wpa2_igtk_initial_rsc(dev, apdev, cipher):
if cipher not in dev[0].get_capability("group_mgmt"):
raise HwsimSkip("Cipher %s not supported" % cipher)
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
params["ieee80211w"] = "2"
params["rsn_pairwise"] = "CCMP"
params["group_cipher"] = "CCMP"
params["group_mgmt_cipher"] = cipher
params["igtk_rsc_override"] = "341200000000"
hapd = hostapd.add_ap(apdev[0], params)
Wlantest.setup(hapd)
wt = Wlantest()
wt.flush()
wt.add_passphrase("12345678")
dev[0].connect("test-wpa2-psk", psk="12345678", proto="WPA2",
ieee80211w="2", pairwise="CCMP", group="CCMP",
group_mgmt=cipher,
scan_freq="2412")
hapd.wait_sta()
# Verify that broadcast robust management frames are dropped.
dev[0].note("Sending broadcast Deauthentication and Disassociation frames with too small IPN")
hapd.request("DEAUTHENTICATE ff:ff:ff:ff:ff:ff test=1")
hapd.request("DISASSOCIATE ff:ff:ff:ff:ff:ff test=1")
hapd.request("DEAUTHENTICATE ff:ff:ff:ff:ff:ff test=1")
hapd.request("DISASSOCIATE ff:ff:ff:ff:ff:ff test=1")
dev[0].note("Done sending broadcast Deauthentication and Disassociation frames with too small IPN")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected disconnection")
# Verify thar unicast robust management frames go through.
hapd.request("DEAUTHENTICATE " + dev[0].own_addr() + " reason=123 test=1")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
if ev is None:
raise Exception("Disconnection not reported")
if "reason=123" not in ev:
raise Exception("Unexpected disconnection reason: " + ev)