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fragattacks/tests/hwsim/test_ap_psk.py
Jouni Malinen 9551930f1e tests: Initialize wlantest with passphrase for ap_wpa2_ptk_rekey 
Signed-off-by: Jouni Malinen <j@w1.fi>
2020-02-28 23:19:52 +02:00

3354 lines
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Python
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# WPA2-Personal tests
# Copyright (c) 2014, Qualcomm Atheros, Inc.
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
from remotehost import remote_compatible
import binascii
from Crypto.Cipher import AES
import hashlib
import hmac
import logging
logger = logging.getLogger()
import os
import re
import socket
import struct
import subprocess
import time
import hostapd
from utils import HwsimSkip, fail_test, skip_with_fips, start_monitor, stop_monitor, radiotap_build
import hwsim_utils
from wpasupplicant import WpaSupplicant
from tshark import run_tshark
from wlantest import WlantestCapture, Wlantest
def check_mib(dev, vals):
mib = dev.get_mib()
for v in vals:
if mib[v[0]] != v[1]:
raise Exception("Unexpected {} = {} (expected {})".format(v[0], mib[v[0]], v[1]))
@remote_compatible
def test_ap_wpa2_psk(dev, apdev):
"""WPA2-PSK AP with PSK instead of passphrase"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
key_mgmt = hapd.get_config()['key_mgmt']
if key_mgmt.split(' ')[0] != "WPA-PSK":
raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt)
dev[0].connect(ssid, raw_psk=psk, scan_freq="2412")
dev[1].connect(ssid, psk=passphrase, scan_freq="2412")
sig = dev[0].request("SIGNAL_POLL").splitlines()
pkt = dev[0].request("PKTCNT_POLL").splitlines()
if "FREQUENCY=2412" not in sig:
raise Exception("Unexpected SIGNAL_POLL value: " + str(sig))
if "TXBAD=0" not in pkt:
raise Exception("Unexpected TXBAD value: " + str(pkt))
def test_ap_wpa2_psk_file(dev, apdev):
"""WPA2-PSK AP with PSK from a file"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['wpa_psk_file'] = 'hostapd.wpa_psk'
hostapd.add_ap(apdev[0], params)
dev[1].connect(ssid, psk="very secret", scan_freq="2412", wait_connect=False)
dev[2].connect(ssid, raw_psk=psk, scan_freq="2412")
dev[2].request("REMOVE_NETWORK all")
dev[0].connect(ssid, psk="very secret", scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[2].connect(ssid, psk="another passphrase for all STAs", scan_freq="2412")
dev[0].connect(ssid, psk="another passphrase for all STAs", scan_freq="2412")
ev = dev[1].wait_event(["WPA: 4-Way Handshake failed"], timeout=10)
if ev is None:
raise Exception("Timed out while waiting for failure report")
dev[1].request("REMOVE_NETWORK all")
def check_no_keyid(hapd, dev):
addr = dev.own_addr()
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=1)
if ev is None:
raise Exception("No AP-STA-CONNECTED indicated")
if addr not in ev:
raise Exception("AP-STA-CONNECTED for unexpected STA")
if "keyid=" in ev:
raise Exception("Unexpected keyid indication")
def check_keyid(hapd, dev, keyid):
addr = dev.own_addr()
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=1)
if ev is None:
raise Exception("No AP-STA-CONNECTED indicated")
if addr not in ev:
raise Exception("AP-STA-CONNECTED for unexpected STA")
if "keyid=" + keyid not in ev:
raise Exception("Incorrect keyid indication")
sta = hapd.get_sta(addr)
if 'keyid' not in sta or sta['keyid'] != keyid:
raise Exception("Incorrect keyid in STA output")
dev.request("REMOVE_NETWORK all")
def check_disconnect(dev, expected):
for i in range(2):
if expected[i]:
dev[i].wait_disconnected()
dev[i].request("REMOVE_NETWORK all")
else:
ev = dev[i].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.1)
if ev is not None:
raise Exception("Unexpected disconnection")
dev[i].request("REMOVE_NETWORK all")
dev[i].wait_disconnected()
def test_ap_wpa2_psk_file_keyid(dev, apdev, params):
"""WPA2-PSK AP with PSK from a file (keyid and reload)"""
psk_file = os.path.join(params['logdir'], 'ap_wpa2_psk_file_keyid.wpa_psk')
with open(psk_file, 'w') as f:
f.write('00:00:00:00:00:00 secret passphrase\n')
f.write('02:00:00:00:00:00 very secret\n')
f.write('00:00:00:00:00:00 another passphrase for all STAs\n')
ssid = "test-wpa2-psk"
params = hostapd.wpa2_params(ssid=ssid, passphrase='qwertyuiop')
params['wpa_psk_file'] = psk_file
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk="very secret", scan_freq="2412")
check_no_keyid(hapd, dev[0])
dev[1].connect(ssid, psk="another passphrase for all STAs",
scan_freq="2412")
check_no_keyid(hapd, dev[1])
dev[2].connect(ssid, psk="qwertyuiop", scan_freq="2412")
check_no_keyid(hapd, dev[2])
with open(psk_file, 'w') as f:
f.write('00:00:00:00:00:00 secret passphrase\n')
f.write('02:00:00:00:00:00 very secret\n')
f.write('00:00:00:00:00:00 changed passphrase\n')
if "OK" not in hapd.request("RELOAD_WPA_PSK"):
raise Exception("RELOAD_WPA_PSK failed")
check_disconnect(dev, [False, True, False])
with open(psk_file, 'w') as f:
f.write('00:00:00:00:00:00 secret passphrase\n')
f.write('keyid=foo 02:00:00:00:00:00 very secret\n')
f.write('keyid=bar 00:00:00:00:00:00 another passphrase for all STAs\n')
if "OK" not in hapd.request("RELOAD_WPA_PSK"):
raise Exception("RELOAD_WPA_PSK failed")
dev[0].connect(ssid, psk="very secret", scan_freq="2412")
check_keyid(hapd, dev[0], "foo")
dev[1].connect(ssid, psk="another passphrase for all STAs",
scan_freq="2412")
check_keyid(hapd, dev[1], "bar")
dev[2].connect(ssid, psk="qwertyuiop", scan_freq="2412")
check_no_keyid(hapd, dev[2])
dev[0].wait_disconnected()
dev[0].connect(ssid, psk="secret passphrase", scan_freq="2412")
check_no_keyid(hapd, dev[0])
with open(psk_file, 'w') as f:
f.write('# empty\n')
if "OK" not in hapd.request("RELOAD_WPA_PSK"):
raise Exception("RELOAD_WPA_PSK failed")
check_disconnect(dev, [True, True, False])
@remote_compatible
def test_ap_wpa2_psk_mem(dev, apdev):
"""WPA2-PSK AP with passphrase only in memory"""
try:
_test_ap_wpa2_psk_mem(dev, apdev)
finally:
dev[0].request("SCAN_INTERVAL 5")
dev[1].request("SCAN_INTERVAL 5")
def _test_ap_wpa2_psk_mem(dev, apdev):
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, mem_only_psk="1", scan_freq="2412", wait_connect=False)
dev[0].request("SCAN_INTERVAL 1")
ev = dev[0].wait_event(["CTRL-REQ-PSK_PASSPHRASE"], timeout=10)
if ev is None:
raise Exception("Request for PSK/passphrase timed out")
id = ev.split(':')[0].split('-')[-1]
dev[0].request("CTRL-RSP-PSK_PASSPHRASE-" + id + ':"' + passphrase + '"')
dev[0].wait_connected(timeout=10)
dev[1].connect(ssid, mem_only_psk="1", scan_freq="2412", wait_connect=False)
dev[1].request("SCAN_INTERVAL 1")
ev = dev[1].wait_event(["CTRL-REQ-PSK_PASSPHRASE"], timeout=10)
if ev is None:
raise Exception("Request for PSK/passphrase timed out(2)")
id = ev.split(':')[0].split('-')[-1]
dev[1].request("CTRL-RSP-PSK_PASSPHRASE-" + id + ':' + psk)
dev[1].wait_connected(timeout=10)
@remote_compatible
def test_ap_wpa2_ptk_rekey(dev, apdev):
"""WPA2-PSK AP and PTK rekey enforced by station"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
Wlantest.setup(hapd)
wt = Wlantest()
wt.flush()
wt.add_passphrase(passphrase)
dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412")
ev = dev[0].wait_event(["WPA: Key negotiation completed",
"CTRL-EVENT-DISCONNECTED"])
if ev is None:
raise Exception("PTK rekey timed out")
if "CTRL-EVENT-DISCONNECTED" in ev:
raise Exception("Disconnect instead of rekey")
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ap_wpa2_ptk_rekey_blocked_ap(dev, apdev):
"""WPA2-PSK AP and PTK rekey enforced by station and AP blocking it"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['wpa_deny_ptk0_rekey'] = "2"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412")
ev = dev[0].wait_event(["WPA: Key negotiation completed",
"CTRL-EVENT-DISCONNECTED"])
if ev is None:
raise Exception("PTK rekey timed out")
if "WPA: Key negotiation completed" in ev:
raise Exception("No disconnect, PTK rekey succeeded")
ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=1)
if ev is None:
raise Exception("Reconnect too slow")
def test_ap_wpa2_ptk_rekey_blocked_sta(dev, apdev):
"""WPA2-PSK AP and PTK rekey enforced by station while also blocking it"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412",
wpa_deny_ptk0_rekey="2")
ev = dev[0].wait_event(["WPA: Key negotiation completed",
"CTRL-EVENT-DISCONNECTED"])
if ev is None:
raise Exception("PTK rekey timed out")
if "WPA: Key negotiation completed" in ev:
raise Exception("No disconnect, PTK rekey succeeded")
ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=1)
if ev is None:
raise Exception("Reconnect too slow")
def test_ap_wpa2_ptk_rekey_anonce(dev, apdev):
"""WPA2-PSK AP and PTK rekey enforced by station and ANonce change"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412")
dev[0].dump_monitor()
anonce1 = dev[0].request("GET anonce")
if "OK" not in dev[0].request("KEY_REQUEST 0 1"):
raise Exception("KEY_REQUEST failed")
ev = dev[0].wait_event(["WPA: Key negotiation completed"])
if ev is None:
raise Exception("PTK rekey timed out")
anonce2 = dev[0].request("GET anonce")
if anonce1 == anonce2:
raise Exception("AP did not update ANonce in requested PTK rekeying")
hwsim_utils.test_connectivity(dev[0], hapd)
@remote_compatible
def test_ap_wpa2_ptk_rekey_ap(dev, apdev):
"""WPA2-PSK AP and PTK rekey enforced by AP"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['wpa_ptk_rekey'] = '2'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
ev = dev[0].wait_event(["WPA: Key negotiation completed"])
if ev is None:
raise Exception("PTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
@remote_compatible
def test_ap_wpa2_sha256_ptk_rekey(dev, apdev):
"""WPA2-PSK/SHA256 AKM AP and PTK rekey enforced by station"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params["wpa_key_mgmt"] = "WPA-PSK-SHA256"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK-SHA256",
wpa_ptk_rekey="1", scan_freq="2412")
ev = dev[0].wait_event(["WPA: Key negotiation completed"])
if ev is None:
raise Exception("PTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
check_mib(dev[0], [("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-6"),
("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-6")])
@remote_compatible
def test_ap_wpa2_sha256_ptk_rekey_ap(dev, apdev):
"""WPA2-PSK/SHA256 AKM AP and PTK rekey enforced by AP"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params["wpa_key_mgmt"] = "WPA-PSK-SHA256"
params['wpa_ptk_rekey'] = '2'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK-SHA256",
scan_freq="2412")
ev = dev[0].wait_event(["WPA: Key negotiation completed"])
if ev is None:
raise Exception("PTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
check_mib(dev[0], [("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-6"),
("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-6")])
@remote_compatible
def test_ap_wpa_ptk_rekey(dev, apdev):
"""WPA-PSK/TKIP AP and PTK rekey enforced by station"""
skip_with_fips(dev[0])
ssid = "test-wpa-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412")
if "[WPA-PSK-TKIP]" not in dev[0].request("SCAN_RESULTS"):
raise Exception("Scan results missing WPA element info")
ev = dev[0].wait_event(["WPA: Key negotiation completed"])
if ev is None:
raise Exception("PTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
@remote_compatible
def test_ap_wpa_ptk_rekey_ap(dev, apdev):
"""WPA-PSK/TKIP AP and PTK rekey enforced by AP"""
skip_with_fips(dev[0])
ssid = "test-wpa-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
params['wpa_ptk_rekey'] = '2'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=10)
if ev is None:
raise Exception("PTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
@remote_compatible
def test_ap_wpa_ccmp(dev, apdev):
"""WPA-PSK/CCMP"""
ssid = "test-wpa-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
params['wpa_pairwise'] = "CCMP"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
hapd.wait_sta()
hwsim_utils.test_connectivity(dev[0], hapd)
check_mib(dev[0], [("dot11RSNAConfigGroupCipherSize", "128"),
("dot11RSNAGroupCipherRequested", "00-50-f2-4"),
("dot11RSNAPairwiseCipherRequested", "00-50-f2-4"),
("dot11RSNAAuthenticationSuiteRequested", "00-50-f2-2"),
("dot11RSNAGroupCipherSelected", "00-50-f2-4"),
("dot11RSNAPairwiseCipherSelected", "00-50-f2-4"),
("dot11RSNAAuthenticationSuiteSelected", "00-50-f2-2"),
("dot1xSuppSuppControlledPortStatus", "Authorized")])
def test_ap_wpa2_psk_file_errors(dev, apdev):
"""WPA2-PSK AP with various PSK file error and success cases"""
addr0 = dev[0].own_addr()
addr1 = dev[1].own_addr()
addr2 = dev[2].own_addr()
ssid = "psk"
pskfile = "/tmp/ap_wpa2_psk_file_errors.psk_file"
try:
os.remove(pskfile)
except:
pass
params = {"ssid": ssid, "wpa": "2", "wpa_key_mgmt": "WPA-PSK",
"rsn_pairwise": "CCMP", "wpa_psk_file": pskfile}
try:
# missing PSK file
hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
if "FAIL" not in hapd.request("ENABLE"):
raise Exception("Unexpected ENABLE success")
hapd.request("DISABLE")
# invalid MAC address
with open(pskfile, "w") as f:
f.write("\n")
f.write("foo\n")
if "FAIL" not in hapd.request("ENABLE"):
raise Exception("Unexpected ENABLE success")
hapd.request("DISABLE")
# no PSK on line
with open(pskfile, "w") as f:
f.write("00:11:22:33:44:55\n")
if "FAIL" not in hapd.request("ENABLE"):
raise Exception("Unexpected ENABLE success")
hapd.request("DISABLE")
# invalid PSK
with open(pskfile, "w") as f:
f.write("00:11:22:33:44:55 1234567\n")
if "FAIL" not in hapd.request("ENABLE"):
raise Exception("Unexpected ENABLE success")
hapd.request("DISABLE")
# empty token at the end of the line
with open(pskfile, "w") as f:
f.write("=\n")
if "FAIL" not in hapd.request("ENABLE"):
raise Exception("Unexpected ENABLE success")
hapd.request("DISABLE")
# valid PSK file
with open(pskfile, "w") as f:
f.write("00:11:22:33:44:55 12345678\n")
f.write(addr0 + " 123456789\n")
f.write(addr1 + " 123456789a\n")
f.write(addr2 + " 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n")
if "FAIL" in hapd.request("ENABLE"):
raise Exception("Unexpected ENABLE failure")
dev[0].connect(ssid, psk="123456789", scan_freq="2412")
dev[1].connect(ssid, psk="123456789a", scan_freq="2412")
dev[2].connect(ssid, raw_psk="0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef", scan_freq="2412")
finally:
try:
os.remove(pskfile)
except:
pass
@remote_compatible
def test_ap_wpa2_psk_wildcard_ssid(dev, apdev):
"""WPA2-PSK AP and wildcard SSID configuration"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("", bssid=apdev[0]['bssid'], psk=passphrase,
scan_freq="2412")
dev[1].connect("", bssid=apdev[0]['bssid'], raw_psk=psk, scan_freq="2412")
@remote_compatible
def test_ap_wpa2_gtk_rekey(dev, apdev):
"""WPA2-PSK AP and GTK rekey enforced by AP"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['wpa_group_rekey'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
if ev is None:
raise Exception("GTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ap_wpa2_gtk_rekey_request(dev, apdev):
"""WPA2-PSK AP and GTK rekey by AP request"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
if "OK" not in hapd.request("REKEY_GTK"):
raise Exception("REKEY_GTK failed")
ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
if ev is None:
raise Exception("GTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
@remote_compatible
def test_ap_wpa_gtk_rekey(dev, apdev):
"""WPA-PSK/TKIP AP and GTK rekey enforced by AP"""
skip_with_fips(dev[0])
ssid = "test-wpa-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
params['wpa_group_rekey'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
if ev is None:
raise Exception("GTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
@remote_compatible
def test_ap_wpa2_gmk_rekey(dev, apdev):
"""WPA2-PSK AP and GMK and GTK rekey enforced by AP"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['wpa_group_rekey'] = '1'
params['wpa_gmk_rekey'] = '2'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
for i in range(0, 3):
ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
if ev is None:
raise Exception("GTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
@remote_compatible
def test_ap_wpa2_strict_rekey(dev, apdev):
"""WPA2-PSK AP and strict GTK rekey enforced by AP"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['wpa_strict_rekey'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
dev[1].connect(ssid, psk=passphrase, scan_freq="2412")
dev[1].request("DISCONNECT")
ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
if ev is None:
raise Exception("GTK rekey timed out")
hwsim_utils.test_connectivity(dev[0], hapd)
@remote_compatible
def test_ap_wpa2_bridge_fdb(dev, apdev):
"""Bridge FDB entry removal"""
hapd = None
try:
ssid = "test-wpa2-psk"
passphrase = "12345678"
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['bridge'] = 'ap-br0'
hapd = hostapd.add_ap(apdev[0], params)
hapd.cmd_execute(['brctl', 'setfd', 'ap-br0', '0'])
hapd.cmd_execute(['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[0]['bssid'])
hapd.wait_sta()
hapd.wait_sta()
addr0 = dev[0].p2p_interface_addr()
hwsim_utils.test_connectivity_sta(dev[0], dev[1])
err, macs1 = hapd.cmd_execute(['brctl', 'showmacs', 'ap-br0'])
hapd.cmd_execute(['brctl', 'setageing', 'ap-br0', '1'])
dev[0].request("DISCONNECT")
dev[1].request("DISCONNECT")
time.sleep(1)
err, macs2 = hapd.cmd_execute(['brctl', 'showmacs', 'ap-br0'])
addr1 = dev[1].p2p_interface_addr()
if addr0 not in macs1 or addr1 not in macs1:
raise Exception("Bridge FDB entry missing")
if addr0 in macs2 or addr1 in macs2:
raise Exception("Bridge FDB entry was not removed")
finally:
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', 'ap-br0',
'down'])
hostapd.cmd_execute(apdev[0], ['brctl', 'delbr', 'ap-br0'])
@remote_compatible
def test_ap_wpa2_already_in_bridge(dev, apdev):
"""hostapd behavior with interface already in bridge"""
ifname = apdev[0]['ifname']
br_ifname = 'ext-ap-br0'
try:
ssid = "test-wpa2-psk"
passphrase = "12345678"
hostapd.cmd_execute(apdev[0], ['brctl', 'addbr', br_ifname])
hostapd.cmd_execute(apdev[0], ['brctl', 'setfd', br_ifname, '0'])
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', br_ifname,
'up'])
hostapd.cmd_execute(apdev[0], ['iw', ifname, 'set', 'type', '__ap'])
hostapd.cmd_execute(apdev[0], ['brctl', 'addif', br_ifname, ifname])
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
if hapd.get_driver_status_field('brname') != br_ifname:
raise Exception("Bridge name not identified correctly")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
finally:
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', br_ifname,
'down'])
hostapd.cmd_execute(apdev[0], ['brctl', 'delif', br_ifname, ifname])
hostapd.cmd_execute(apdev[0], ['iw', ifname, 'set', 'type', 'station'])
hostapd.cmd_execute(apdev[0], ['brctl', 'delbr', br_ifname])
@remote_compatible
def test_ap_wpa2_in_different_bridge(dev, apdev):
"""hostapd behavior with interface in different bridge"""
ifname = apdev[0]['ifname']
br_ifname = 'ext-ap-br0'
try:
ssid = "test-wpa2-psk"
passphrase = "12345678"
hostapd.cmd_execute(apdev[0], ['brctl', 'addbr', br_ifname])
hostapd.cmd_execute(apdev[0], ['brctl', 'setfd', br_ifname, '0'])
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', br_ifname,
'up'])
hostapd.cmd_execute(apdev[0], ['iw', ifname, 'set', 'type', '__ap'])
hostapd.cmd_execute(apdev[0], ['brctl', 'addif', br_ifname, ifname])
time.sleep(0.5)
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['bridge'] = 'ap-br0'
hapd = hostapd.add_ap(apdev[0], params)
hostapd.cmd_execute(apdev[0], ['brctl', 'setfd', 'ap-br0', '0'])
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', 'ap-br0',
'up'])
brname = hapd.get_driver_status_field('brname')
if brname != 'ap-br0':
raise Exception("Incorrect bridge: " + brname)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
hapd.wait_sta()
hwsim_utils.test_connectivity_iface(dev[0], hapd, "ap-br0")
if hapd.get_driver_status_field("added_bridge") != "1":
raise Exception("Unexpected added_bridge value")
if hapd.get_driver_status_field("added_if_into_bridge") != "1":
raise Exception("Unexpected added_if_into_bridge value")
dev[0].request("DISCONNECT")
hapd.disable()
finally:
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', br_ifname,
'down'])
hostapd.cmd_execute(apdev[0], ['brctl', 'delif', br_ifname, ifname,
"2>", "/dev/null"], shell=True)
hostapd.cmd_execute(apdev[0], ['brctl', 'delbr', br_ifname])
@remote_compatible
def test_ap_wpa2_ext_add_to_bridge(dev, apdev):
"""hostapd behavior with interface added to bridge externally"""
ifname = apdev[0]['ifname']
br_ifname = 'ext-ap-br0'
try:
ssid = "test-wpa2-psk"
passphrase = "12345678"
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
hostapd.cmd_execute(apdev[0], ['brctl', 'addbr', br_ifname])
hostapd.cmd_execute(apdev[0], ['brctl', 'setfd', br_ifname, '0'])
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', br_ifname,
'up'])
hostapd.cmd_execute(apdev[0], ['brctl', 'addif', br_ifname, ifname])
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
if hapd.get_driver_status_field('brname') != br_ifname:
raise Exception("Bridge name not identified correctly")
finally:
hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', br_ifname,
'down'])
hostapd.cmd_execute(apdev[0], ['brctl', 'delif', br_ifname, ifname])
hostapd.cmd_execute(apdev[0], ['brctl', 'delbr', br_ifname])
def test_ap_wpa2_psk_ext(dev, apdev):
"""WPA2-PSK AP using external EAPOL I/O"""
bssid = apdev[0]['bssid']
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
addr = dev[0].p2p_interface_addr()
while True:
ev = hapd.wait_event(["EAPOL-TX", "AP-STA-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
if "AP-STA-CONNECTED" in ev:
dev[0].wait_connected(timeout=15)
break
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
ev = dev[0].wait_event(["EAPOL-TX", "CTRL-EVENT-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
if "CTRL-EVENT-CONNECTED" in ev:
break
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
def test_ap_wpa2_psk_ext_retry_msg_3(dev, apdev):
"""WPA2-PSK AP using external EAPOL I/O and retry for EAPOL-Key msg 3/4"""
bssid = apdev[0]['bssid']
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
addr = dev[0].p2p_interface_addr()
# EAPOL-Key msg 1/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
# EAPOL-Key msg 3/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
# Do not send to the AP
dev[0].wait_connected(timeout=15)
# EAPOL-Key msg 3/4 (retry)
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ap_wpa2_psk_ext_retry_msg_3b(dev, apdev):
"""WPA2-PSK AP using external EAPOL I/O and retry for EAPOL-Key msg 3/4 (b)"""
bssid = apdev[0]['bssid']
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
addr = dev[0].p2p_interface_addr()
# EAPOL-Key msg 1/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
# EAPOL-Key msg 3/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
# Do not send the first msg 3/4 to the STA yet; wait for retransmission
# from AP.
msg3_1 = ev
# EAPOL-Key msg 3/4 (retry)
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
msg3_2 = ev
# Send the first msg 3/4 to STA
res = dev[0].request("EAPOL_RX " + bssid + " " + msg3_1.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
dev[0].wait_connected(timeout=15)
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
hwsim_utils.test_connectivity(dev[0], hapd)
# Send the second msg 3/4 to STA
res = dev[0].request("EAPOL_RX " + bssid + " " + msg3_2.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
# Do not send the second msg 4/4 to the AP
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ap_wpa2_psk_ext_retry_msg_3c(dev, apdev):
"""WPA2-PSK AP using external EAPOL I/O and retry for EAPOL-Key msg 3/4 (c)"""
bssid = apdev[0]['bssid']
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
addr = dev[0].p2p_interface_addr()
# EAPOL-Key msg 1/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
msg1 = ev.split(' ')[2]
res = dev[0].request("EAPOL_RX " + bssid + " " + msg1)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
# EAPOL-Key msg 3/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
msg4 = ev.split(' ')[2]
# Do not send msg 4/4 to hostapd to trigger retry
# STA believes everything is ready
dev[0].wait_connected()
# EAPOL-Key msg 3/4 (retry)
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
msg3 = ev.split(' ')[2]
# Send a forged msg 1/4 to STA (update replay counter)
msg1b = msg1[0:18] + msg3[18:34] + msg1[34:]
# and replace nonce (this results in "WPA: ANonce from message 1 of
# 4-Way Handshake differs from 3 of 4-Way Handshake - drop packet" when
# wpa_supplicant processed msg 3/4 afterwards)
#msg1b = msg1[0:18] + msg3[18:34] + 32*"ff" + msg1[98:]
res = dev[0].request("EAPOL_RX " + bssid + " " + msg1b)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=1)
if ev is None:
# wpa_supplicant seems to have ignored the forged message. This means
# the attack would fail.
logger.info("wpa_supplicant ignored forged EAPOL-Key msg 1/4")
return
# Do not send msg 2/4 to hostapd
# Send previously received msg 3/4 to STA
res = dev[0].request("EAPOL_RX " + bssid + " " + msg3)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ap_wpa2_psk_ext_retry_msg_3d(dev, apdev):
"""WPA2-PSK AP using external EAPOL I/O and retry for EAPOL-Key msg 3/4 (d)"""
bssid = apdev[0]['bssid']
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
addr = dev[0].p2p_interface_addr()
# EAPOL-Key msg 1/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
msg1 = ev.split(' ')[2]
res = dev[0].request("EAPOL_RX " + bssid + " " + msg1)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
# EAPOL-Key msg 3/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
msg4 = ev.split(' ')[2]
# Do not send msg 4/4 to hostapd to trigger retry
# STA believes everything is ready
dev[0].wait_connected()
# EAPOL-Key msg 3/4 (retry)
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
msg3 = ev.split(' ')[2]
# Send a forged msg 1/4 to STA (update replay counter)
msg1b = msg1[0:18] + msg3[18:34] + msg1[34:]
res = dev[0].request("EAPOL_RX " + bssid + " " + msg1b)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=1)
if ev is None:
# wpa_supplicant seems to have ignored the forged message. This means
# the attack would fail.
logger.info("wpa_supplicant ignored forged EAPOL-Key msg 1/4")
return
# Do not send msg 2/4 to hostapd
# EAPOL-Key msg 3/4 (retry 2)
# New one needed to get the correct Replay Counter value
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
msg3 = ev.split(' ')[2]
# Send msg 3/4 to STA
res = dev[0].request("EAPOL_RX " + bssid + " " + msg3)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ap_wpa2_psk_ext_retry_msg_3e(dev, apdev):
"""WPA2-PSK AP using external EAPOL I/O and retry for EAPOL-Key msg 3/4 (e)"""
bssid = apdev[0]['bssid']
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
addr = dev[0].p2p_interface_addr()
# EAPOL-Key msg 1/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
msg1 = ev.split(' ')[2]
res = dev[0].request("EAPOL_RX " + bssid + " " + msg1)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
# EAPOL-Key msg 3/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
msg4 = ev.split(' ')[2]
# Do not send msg 4/4 to hostapd to trigger retry
# STA believes everything is ready
dev[0].wait_connected()
# EAPOL-Key msg 3/4 (retry)
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
msg3 = ev.split(' ')[2]
# Send a forged msg 1/4 to STA (update replay counter and replace ANonce)
msg1b = msg1[0:18] + msg3[18:34] + 32*"ff" + msg1[98:]
res = dev[0].request("EAPOL_RX " + bssid + " " + msg1b)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=1)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
# Do not send msg 2/4 to hostapd
# Send a forged msg 1/4 to STA (back to previously used ANonce)
msg1b = msg1[0:18] + msg3[18:34] + msg1[34:]
res = dev[0].request("EAPOL_RX " + bssid + " " + msg1b)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=1)
if ev is None:
# wpa_supplicant seems to have ignored the forged message. This means
# the attack would fail.
logger.info("wpa_supplicant ignored forged EAPOL-Key msg 1/4")
return
# Do not send msg 2/4 to hostapd
# EAPOL-Key msg 3/4 (retry 2)
# New one needed to get the correct Replay Counter value
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
msg3 = ev.split(' ')[2]
# Send msg 3/4 to STA
res = dev[0].request("EAPOL_RX " + bssid + " " + msg3)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ap_wpa2_psk_ext_delayed_ptk_rekey(dev, apdev):
"""WPA2-PSK AP using external EAPOL I/O and delayed PTK rekey exchange"""
bssid = apdev[0]['bssid']
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
params['wpa_ptk_rekey'] = '3'
hapd = hostapd.add_ap(apdev[0], params)
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
addr = dev[0].p2p_interface_addr()
# EAPOL-Key msg 1/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
msg2 = ev.split(' ')[2]
# Do not send this to the AP
# EAPOL-Key msg 1/4 (retry)
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
# EAPOL-Key msg 3/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
msg4 = ev.split(' ')[2]
# Do not send msg 4/4 to AP
# EAPOL-Key msg 3/4 (retry)
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
msg4b = ev.split(' ')[2]
# Do not send msg 4/4 to AP
# Send the previous EAPOL-Key msg 4/4 to AP
res = hapd.request("EAPOL_RX " + addr + " " + msg4)
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
# Wait for PTK rekeying to be initialized
# EAPOL-Key msg 1/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
# EAPOL-Key msg 2/4 from the previous 4-way handshake
# hostapd is expected to ignore this due to unexpected Replay Counter
res = hapd.request("EAPOL_RX " + addr + " " + msg2)
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
# EAPOL-Key msg 3/4 (actually, this ends up being retransmitted 1/4)
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
keyinfo = ev.split(' ')[2][10:14]
if keyinfo != "008a":
raise Exception("Unexpected key info when expected msg 1/4:" + keyinfo)
# EAPOL-Key msg 4/4 from the previous 4-way handshake
# hostapd is expected to ignore this due to unexpected Replay Counter
res = hapd.request("EAPOL_RX " + addr + " " + msg4b)
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
# Check if any more EAPOL-Key frames are seen. If the second 4-way handshake
# was accepted, there would be no more EAPOL-Key frames. If the Replay
# Counters were rejected, there would be a retransmitted msg 1/4 here.
ev = hapd.wait_event(["EAPOL-TX"], timeout=1.1)
if ev is None:
raise Exception("Did not see EAPOL-TX from hostapd in the end (expected msg 1/4)")
keyinfo = ev.split(' ')[2][10:14]
if keyinfo != "008a":
raise Exception("Unexpected key info when expected msg 1/4:" + keyinfo)
def parse_eapol(data):
(version, type, length) = struct.unpack('>BBH', data[0:4])
payload = data[4:]
if length > len(payload):
raise Exception("Invalid EAPOL length")
if length < len(payload):
payload = payload[0:length]
eapol = {}
eapol['version'] = version
eapol['type'] = type
eapol['length'] = length
eapol['payload'] = payload
if type == 3:
# EAPOL-Key
(eapol['descr_type'],) = struct.unpack('B', payload[0:1])
payload = payload[1:]
if eapol['descr_type'] == 2 or eapol['descr_type'] == 254:
# RSN EAPOL-Key
(key_info, key_len) = struct.unpack('>HH', payload[0:4])
eapol['rsn_key_info'] = key_info
eapol['rsn_key_len'] = key_len
eapol['rsn_replay_counter'] = payload[4:12]
eapol['rsn_key_nonce'] = payload[12:44]
eapol['rsn_key_iv'] = payload[44:60]
eapol['rsn_key_rsc'] = payload[60:68]
eapol['rsn_key_id'] = payload[68:76]
eapol['rsn_key_mic'] = payload[76:92]
payload = payload[92:]
(eapol['rsn_key_data_len'],) = struct.unpack('>H', payload[0:2])
payload = payload[2:]
eapol['rsn_key_data'] = payload
return eapol
def build_eapol(msg):
data = struct.pack(">BBH", msg['version'], msg['type'], msg['length'])
if msg['type'] == 3:
data += struct.pack('>BHH', msg['descr_type'], msg['rsn_key_info'],
msg['rsn_key_len'])
data += msg['rsn_replay_counter']
data += msg['rsn_key_nonce']
data += msg['rsn_key_iv']
data += msg['rsn_key_rsc']
data += msg['rsn_key_id']
data += msg['rsn_key_mic']
data += struct.pack('>H', msg['rsn_key_data_len'])
data += msg['rsn_key_data']
else:
data += msg['payload']
return data
def sha1_prf(key, label, data, outlen):
res = b''
counter = 0
while outlen > 0:
m = hmac.new(key, label.encode(), hashlib.sha1)
m.update(struct.pack('B', 0))
m.update(data)
m.update(struct.pack('B', counter))
counter += 1
hash = m.digest()
if outlen > len(hash):
res += hash
outlen -= len(hash)
else:
res += hash[0:outlen]
outlen = 0
return res
def pmk_to_ptk(pmk, addr1, addr2, nonce1, nonce2):
if addr1 < addr2:
data = binascii.unhexlify(addr1.replace(':', '')) + binascii.unhexlify(addr2.replace(':', ''))
else:
data = binascii.unhexlify(addr2.replace(':', '')) + binascii.unhexlify(addr1.replace(':', ''))
if nonce1 < nonce2:
data += nonce1 + nonce2
else:
data += nonce2 + nonce1
label = "Pairwise key expansion"
ptk = sha1_prf(pmk, label, data, 48)
kck = ptk[0:16]
kek = ptk[16:32]
return (ptk, kck, kek)
def eapol_key_mic(kck, msg):
msg['rsn_key_mic'] = binascii.unhexlify('00000000000000000000000000000000')
data = build_eapol(msg)
m = hmac.new(kck, data, hashlib.sha1)
msg['rsn_key_mic'] = m.digest()[0:16]
def rsn_eapol_key_set(msg, key_info, key_len, nonce, data):
msg['rsn_key_info'] = key_info
msg['rsn_key_len'] = key_len
if nonce:
msg['rsn_key_nonce'] = nonce
else:
msg['rsn_key_nonce'] = binascii.unhexlify('0000000000000000000000000000000000000000000000000000000000000000')
if data:
msg['rsn_key_data_len'] = len(data)
msg['rsn_key_data'] = data
msg['length'] = 95 + len(data)
else:
msg['rsn_key_data_len'] = 0
msg['rsn_key_data'] = b''
msg['length'] = 95
def recv_eapol(hapd):
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
eapol = binascii.unhexlify(ev.split(' ')[2])
return parse_eapol(eapol)
def send_eapol(hapd, addr, data):
res = hapd.request("EAPOL_RX " + addr + " " + binascii.hexlify(data).decode())
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
def reply_eapol(info, hapd, addr, msg, key_info, nonce, data, kck):
logger.info("Send EAPOL-Key msg " + info)
rsn_eapol_key_set(msg, key_info, 0, nonce, data)
eapol_key_mic(kck, msg)
send_eapol(hapd, addr, build_eapol(msg))
def eapol_test(apdev, dev, wpa2=True, ieee80211w=0):
bssid = apdev['bssid']
if wpa2:
ssid = "test-wpa2-psk"
else:
ssid = "test-wpa-psk"
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
pmk = binascii.unhexlify(psk)
if wpa2:
params = hostapd.wpa2_params(ssid=ssid)
else:
params = hostapd.wpa_params(ssid=ssid)
params['wpa_psk'] = psk
params['ieee80211w'] = str(ieee80211w)
hapd = hostapd.add_ap(apdev, params)
hapd.request("SET ext_eapol_frame_io 1")
dev.request("SET ext_eapol_frame_io 1")
dev.connect(ssid, raw_psk=psk, scan_freq="2412", wait_connect=False,
ieee80211w=str(ieee80211w))
addr = dev.p2p_interface_addr()
if wpa2:
if ieee80211w == 2:
rsne = binascii.unhexlify('30140100000fac040100000fac040100000fac02cc00')
else:
rsne = binascii.unhexlify('30140100000fac040100000fac040100000fac020000')
else:
rsne = binascii.unhexlify('dd160050f20101000050f20201000050f20201000050f202')
snonce = binascii.unhexlify('1111111111111111111111111111111111111111111111111111111111111111')
return (bssid, ssid, hapd, snonce, pmk, addr, rsne)
@remote_compatible
def test_ap_wpa2_psk_ext_eapol(dev, apdev):
"""WPA2-PSK AP using external EAPOL supplicant"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
msg = recv_eapol(hapd)
anonce = msg['rsn_key_nonce']
logger.info("Replay same data back")
send_eapol(hapd, addr, build_eapol(msg))
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.info("Truncated Key Data in EAPOL-Key msg 2/4")
rsn_eapol_key_set(msg, 0x0101, 0, snonce, rsne)
msg['length'] = 95 + 22 - 1
send_eapol(hapd, addr, build_eapol(msg))
reply_eapol("2/4", hapd, addr, msg, 0x010a, snonce, rsne, kck)
msg = recv_eapol(hapd)
if anonce != msg['rsn_key_nonce']:
raise Exception("ANonce changed")
logger.info("Replay same data back")
send_eapol(hapd, addr, build_eapol(msg))
reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
hapd.wait_sta(timeout=15)
@remote_compatible
def test_ap_wpa2_psk_ext_eapol_retry1(dev, apdev):
"""WPA2 4-way handshake with EAPOL-Key 1/4 retransmitted"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
msg1 = recv_eapol(hapd)
anonce = msg1['rsn_key_nonce']
msg2 = recv_eapol(hapd)
if anonce != msg2['rsn_key_nonce']:
raise Exception("ANonce changed")
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.info("Send EAPOL-Key msg 2/4")
msg = msg2
rsn_eapol_key_set(msg, 0x010a, 0, snonce, rsne)
eapol_key_mic(kck, msg)
send_eapol(hapd, addr, build_eapol(msg))
msg = recv_eapol(hapd)
if anonce != msg['rsn_key_nonce']:
raise Exception("ANonce changed")
reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
hapd.wait_sta(timeout=15)
@remote_compatible
def test_ap_wpa2_psk_ext_eapol_retry1b(dev, apdev):
"""WPA2 4-way handshake with EAPOL-Key 1/4 and 2/4 retransmitted"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
msg1 = recv_eapol(hapd)
anonce = msg1['rsn_key_nonce']
msg2 = recv_eapol(hapd)
if anonce != msg2['rsn_key_nonce']:
raise Exception("ANonce changed")
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
reply_eapol("2/4 (a)", hapd, addr, msg1, 0x010a, snonce, rsne, kck)
reply_eapol("2/4 (b)", hapd, addr, msg2, 0x010a, snonce, rsne, kck)
msg = recv_eapol(hapd)
if anonce != msg['rsn_key_nonce']:
raise Exception("ANonce changed")
reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
hapd.wait_sta(timeout=15)
@remote_compatible
def test_ap_wpa2_psk_ext_eapol_retry1c(dev, apdev):
"""WPA2 4-way handshake with EAPOL-Key 1/4 and 2/4 retransmitted and SNonce changing"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
msg1 = recv_eapol(hapd)
anonce = msg1['rsn_key_nonce']
msg2 = recv_eapol(hapd)
if anonce != msg2['rsn_key_nonce']:
raise Exception("ANonce changed")
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
reply_eapol("2/4 (a)", hapd, addr, msg1, 0x010a, snonce, rsne, kck)
snonce2 = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce2, anonce)
reply_eapol("2/4 (b)", hapd, addr, msg2, 0x010a, snonce2, rsne, kck)
msg = recv_eapol(hapd)
if anonce != msg['rsn_key_nonce']:
raise Exception("ANonce changed")
reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
hapd.wait_sta(timeout=15)
@remote_compatible
def test_ap_wpa2_psk_ext_eapol_retry1d(dev, apdev):
"""WPA2 4-way handshake with EAPOL-Key 1/4 and 2/4 retransmitted and SNonce changing and older used"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
msg1 = recv_eapol(hapd)
anonce = msg1['rsn_key_nonce']
msg2 = recv_eapol(hapd)
if anonce != msg2['rsn_key_nonce']:
raise Exception("ANonce changed")
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
reply_eapol("2/4 (a)", hapd, addr, msg1, 0x010a, snonce, rsne, kck)
snonce2 = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
(ptk2, kck2, kek2) = pmk_to_ptk(pmk, addr, bssid, snonce2, anonce)
reply_eapol("2/4 (b)", hapd, addr, msg2, 0x010a, snonce2, rsne, kck2)
msg = recv_eapol(hapd)
if anonce != msg['rsn_key_nonce']:
raise Exception("ANonce changed")
reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
hapd.wait_sta(timeout=15)
@remote_compatible
def test_ap_wpa2_psk_ext_eapol_type_diff(dev, apdev):
"""WPA2 4-way handshake using external EAPOL supplicant"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
msg = recv_eapol(hapd)
anonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
# Incorrect descriptor type (frame dropped)
msg['descr_type'] = 253
rsn_eapol_key_set(msg, 0x010a, 0, snonce, rsne)
eapol_key_mic(kck, msg)
send_eapol(hapd, addr, build_eapol(msg))
# Incorrect descriptor type, but with a workaround (frame processed)
msg['descr_type'] = 254
rsn_eapol_key_set(msg, 0x010a, 0, snonce, rsne)
eapol_key_mic(kck, msg)
send_eapol(hapd, addr, build_eapol(msg))
msg = recv_eapol(hapd)
if anonce != msg['rsn_key_nonce']:
raise Exception("ANonce changed")
logger.info("Replay same data back")
send_eapol(hapd, addr, build_eapol(msg))
reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
hapd.wait_sta(timeout=15)
@remote_compatible
def test_ap_wpa_psk_ext_eapol(dev, apdev):
"""WPA2-PSK AP using external EAPOL supplicant"""
(bssid, ssid, hapd, snonce, pmk, addr, wpae) = eapol_test(apdev[0], dev[0],
wpa2=False)
msg = recv_eapol(hapd)
anonce = msg['rsn_key_nonce']
logger.info("Replay same data back")
send_eapol(hapd, addr, build_eapol(msg))
logger.info("Too short data")
send_eapol(hapd, addr, build_eapol(msg)[0:98])
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
msg['descr_type'] = 2
reply_eapol("2/4(invalid type)", hapd, addr, msg, 0x010a, snonce, wpae, kck)
msg['descr_type'] = 254
reply_eapol("2/4", hapd, addr, msg, 0x010a, snonce, wpae, kck)
msg = recv_eapol(hapd)
if anonce != msg['rsn_key_nonce']:
raise Exception("ANonce changed")
logger.info("Replay same data back")
send_eapol(hapd, addr, build_eapol(msg))
reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
hapd.wait_sta(timeout=15)
@remote_compatible
def test_ap_wpa2_psk_ext_eapol_key_info(dev, apdev):
"""WPA2-PSK 4-way handshake with strange key info values"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
msg = recv_eapol(hapd)
anonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
rsn_eapol_key_set(msg, 0x0000, 0, snonce, rsne)
send_eapol(hapd, addr, build_eapol(msg))
rsn_eapol_key_set(msg, 0xffff, 0, snonce, rsne)
send_eapol(hapd, addr, build_eapol(msg))
# SMK M1
rsn_eapol_key_set(msg, 0x2802, 0, snonce, rsne)
send_eapol(hapd, addr, build_eapol(msg))
# SMK M3
rsn_eapol_key_set(msg, 0x2002, 0, snonce, rsne)
send_eapol(hapd, addr, build_eapol(msg))
# Request
rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne)
send_eapol(hapd, addr, build_eapol(msg))
# Request
rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne)
tmp_kck = binascii.unhexlify('00000000000000000000000000000000')
eapol_key_mic(tmp_kck, msg)
send_eapol(hapd, addr, build_eapol(msg))
reply_eapol("2/4", hapd, addr, msg, 0x010a, snonce, rsne, kck)
msg = recv_eapol(hapd)
if anonce != msg['rsn_key_nonce']:
raise Exception("ANonce changed")
# Request (valic MIC)
rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne)
eapol_key_mic(kck, msg)
send_eapol(hapd, addr, build_eapol(msg))
# Request (valid MIC, replayed counter)
rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne)
eapol_key_mic(kck, msg)
send_eapol(hapd, addr, build_eapol(msg))
reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
hapd.wait_sta(timeout=15)
def build_eapol_key_1_4(anonce, replay_counter=1, key_data=b'', key_len=16):
msg = {}
msg['version'] = 2
msg['type'] = 3
msg['length'] = 95 + len(key_data)
msg['descr_type'] = 2
msg['rsn_key_info'] = 0x8a
msg['rsn_key_len'] = key_len
msg['rsn_replay_counter'] = struct.pack('>Q', replay_counter)
msg['rsn_key_nonce'] = anonce
msg['rsn_key_iv'] = binascii.unhexlify('00000000000000000000000000000000')
msg['rsn_key_rsc'] = binascii.unhexlify('0000000000000000')
msg['rsn_key_id'] = binascii.unhexlify('0000000000000000')
msg['rsn_key_mic'] = binascii.unhexlify('00000000000000000000000000000000')
msg['rsn_key_data_len'] = len(key_data)
msg['rsn_key_data'] = key_data
return msg
def build_eapol_key_3_4(anonce, kck, key_data, replay_counter=2,
key_info=0x13ca, extra_len=0, descr_type=2, key_len=16):
msg = {}
msg['version'] = 2
msg['type'] = 3
msg['length'] = 95 + len(key_data) + extra_len
msg['descr_type'] = descr_type
msg['rsn_key_info'] = key_info
msg['rsn_key_len'] = key_len
msg['rsn_replay_counter'] = struct.pack('>Q', replay_counter)
msg['rsn_key_nonce'] = anonce
msg['rsn_key_iv'] = binascii.unhexlify('00000000000000000000000000000000')
msg['rsn_key_rsc'] = binascii.unhexlify('0000000000000000')
msg['rsn_key_id'] = binascii.unhexlify('0000000000000000')
msg['rsn_key_data_len'] = len(key_data)
msg['rsn_key_data'] = key_data
eapol_key_mic(kck, msg)
return msg
def aes_wrap(kek, plain):
n = len(plain) // 8
a = 0xa6a6a6a6a6a6a6a6
enc = AES.new(kek).encrypt
r = [plain[i * 8:(i + 1) * 8] for i in range(0, n)]
for j in range(6):
for i in range(1, n + 1):
b = enc(struct.pack('>Q', a) + r[i - 1])
a = struct.unpack('>Q', b[:8])[0] ^ (n * j + i)
r[i - 1] = b[8:]
return struct.pack('>Q', a) + b''.join(r)
def pad_key_data(plain):
pad_len = len(plain) % 8
if pad_len:
pad_len = 8 - pad_len
plain += b'\xdd'
pad_len -= 1
plain += pad_len * b'\x00'
return plain
def test_ap_wpa2_psk_supp_proto(dev, apdev):
"""WPA2-PSK 4-way handshake protocol testing for supplicant"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Invalid AES wrap data length 0")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'', replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Unsupported AES-WRAP len 0"])
if ev is None:
raise Exception("Unsupported AES-WRAP len 0 not reported")
logger.debug("Invalid AES wrap data length 1")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'1', replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Unsupported AES-WRAP len 1"])
if ev is None:
raise Exception("Unsupported AES-WRAP len 1 not reported")
logger.debug("Invalid AES wrap data length 9")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'123456789', replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Unsupported AES-WRAP len 9"])
if ev is None:
raise Exception("Unsupported AES-WRAP len 9 not reported")
logger.debug("Invalid AES wrap data payload")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'12345678', replay_counter=counter)
# do not increment counter to test replay protection
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: AES unwrap failed"])
if ev is None:
raise Exception("AES unwrap failure not reported")
logger.debug("Replay Count not increasing")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'12345678', replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: EAPOL-Key Replay Counter did not increase"])
if ev is None:
raise Exception("Replay Counter replay not reported")
logger.debug("Missing Ack bit in key info")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'12345678', replay_counter=counter,
key_info=0x134a)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: No Ack bit in key_info"])
if ev is None:
raise Exception("Missing Ack bit not reported")
logger.debug("Unexpected Request bit in key info")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'12345678', replay_counter=counter,
key_info=0x1bca)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: EAPOL-Key with Request bit"])
if ev is None:
raise Exception("Request bit not reported")
logger.debug("Unsupported key descriptor version 0")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'0123456789abcdef',
replay_counter=counter, key_info=0x13c8)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Unsupported EAPOL-Key descriptor version 0"])
if ev is None:
raise Exception("Unsupported EAPOL-Key descriptor version 0 not reported")
logger.debug("Key descriptor version 1 not allowed with CCMP")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'0123456789abcdef',
replay_counter=counter, key_info=0x13c9)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: CCMP is used, but EAPOL-Key descriptor version (1) is not 2"])
if ev is None:
raise Exception("Not allowed EAPOL-Key descriptor version not reported")
logger.debug("Invalid AES wrap payload with key descriptor version 2")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'0123456789abcdef',
replay_counter=counter, key_info=0x13ca)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: AES unwrap failed"])
if ev is None:
raise Exception("AES unwrap failure not reported")
logger.debug("Key descriptor version 3 workaround")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'0123456789abcdef',
replay_counter=counter, key_info=0x13cb)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: CCMP is used, but EAPOL-Key descriptor version (3) is not 2"])
if ev is None:
raise Exception("CCMP key descriptor mismatch not reported")
ev = dev[0].wait_event(["WPA: Interoperability workaround"])
if ev is None:
raise Exception("AES-128-CMAC workaround not reported")
ev = dev[0].wait_event(["WPA: Invalid EAPOL-Key MIC - dropping packet"])
if ev is None:
raise Exception("MIC failure with AES-128-CMAC workaround not reported")
logger.debug("Unsupported key descriptor version 4")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'0123456789abcdef',
replay_counter=counter, key_info=0x13cc)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Unsupported EAPOL-Key descriptor version 4"])
if ev is None:
raise Exception("Unsupported EAPOL-Key descriptor version 4 not reported")
logger.debug("Unsupported key descriptor version 7")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'0123456789abcdef',
replay_counter=counter, key_info=0x13cf)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Unsupported EAPOL-Key descriptor version 7"])
if ev is None:
raise Exception("Unsupported EAPOL-Key descriptor version 7 not reported")
logger.debug("Too short EAPOL header length")
dev[0].dump_monitor()
msg = build_eapol_key_3_4(anonce, kck, b'12345678', replay_counter=counter,
extra_len=-1)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Invalid EAPOL-Key frame - key_data overflow (8 > 7)"])
if ev is None:
raise Exception("Key data overflow not reported")
logger.debug("Too long EAPOL header length")
msg = build_eapol_key_3_4(anonce, kck, b'12345678', replay_counter=counter,
extra_len=1)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
logger.debug("Unsupported descriptor type 0")
msg = build_eapol_key_3_4(anonce, kck, b'12345678', replay_counter=counter,
descr_type=0)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
logger.debug("WPA descriptor type 0")
msg = build_eapol_key_3_4(anonce, kck, b'12345678', replay_counter=counter,
descr_type=254)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
logger.debug("Non-zero key index for pairwise key")
dev[0].dump_monitor()
wrapped = aes_wrap(kek, 16*b'z')
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
key_info=0x13ea)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Ignored EAPOL-Key (Pairwise) with non-zero key index"])
if ev is None:
raise Exception("Non-zero key index not reported")
logger.debug("Invalid Key Data plaintext payload --> disconnect")
dev[0].dump_monitor()
wrapped = aes_wrap(kek, 16*b'z')
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
dev[0].wait_disconnected(timeout=1)
def test_ap_wpa2_psk_supp_proto_no_ie(dev, apdev):
"""WPA2-PSK supplicant protocol testing: IE not included"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("No IEs in msg 3/4 --> disconnect")
dev[0].dump_monitor()
wrapped = aes_wrap(kek, 16*b'\x00')
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
dev[0].wait_disconnected(timeout=1)
def test_ap_wpa2_psk_supp_proto_ie_mismatch(dev, apdev):
"""WPA2-PSK supplicant protocol testing: IE mismatch"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Msg 3/4 with mismatching IE")
dev[0].dump_monitor()
wrapped = aes_wrap(kek, pad_key_data(binascii.unhexlify('30060100000fac04dd16000fac010100dc11188831bf4aa4a8678d2b41498618')))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
dev[0].wait_disconnected(timeout=1)
def test_ap_wpa2_psk_supp_proto_ok(dev, apdev):
"""WPA2-PSK supplicant protocol testing: success"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Valid EAPOL-Key msg 3/4")
dev[0].dump_monitor()
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
dev[0].wait_connected(timeout=1)
def test_ap_wpa2_psk_supp_proto_no_gtk(dev, apdev):
"""WPA2-PSK supplicant protocol testing: no GTK"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("EAPOL-Key msg 3/4 without GTK KDE")
dev[0].dump_monitor()
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.1)
if ev is not None:
raise Exception("Unexpected connection completion reported")
def test_ap_wpa2_psk_supp_proto_anonce_change(dev, apdev):
"""WPA2-PSK supplicant protocol testing: ANonce change"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Valid EAPOL-Key msg 3/4")
dev[0].dump_monitor()
anonce2 = binascii.unhexlify('3333333333333333333333333333333333333333333333333333333333333333')
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce2, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: ANonce from message 1 of 4-Way Handshake differs from 3 of 4-Way Handshake"])
if ev is None:
raise Exception("ANonce change not reported")
def test_ap_wpa2_psk_supp_proto_unexpected_group_msg(dev, apdev):
"""WPA2-PSK supplicant protocol testing: unexpected group message"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Group key 1/2 instead of msg 3/4")
dev[0].dump_monitor()
wrapped = aes_wrap(kek, binascii.unhexlify('dd16000fac010100dc11188831bf4aa4a8678d2b41498618'))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
key_info=0x13c2)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Group Key Handshake started prior to completion of 4-way handshake"])
if ev is None:
raise Exception("Unexpected group key message not reported")
dev[0].wait_disconnected(timeout=1)
@remote_compatible
def test_ap_wpa2_psk_supp_proto_msg_1_invalid_kde(dev, apdev):
"""WPA2-PSK supplicant protocol testing: invalid KDE in msg 1/4"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4 with invalid KDE
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter,
key_data=binascii.unhexlify('5555'))
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
dev[0].wait_disconnected(timeout=1)
def test_ap_wpa2_psk_supp_proto_wrong_pairwise_key_len(dev, apdev):
"""WPA2-PSK supplicant protocol testing: wrong pairwise key length"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Valid EAPOL-Key msg 3/4")
dev[0].dump_monitor()
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
key_len=15)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Invalid CCMP key length 15"])
if ev is None:
raise Exception("Invalid CCMP key length not reported")
dev[0].wait_disconnected(timeout=1)
def test_ap_wpa2_psk_supp_proto_wrong_group_key_len(dev, apdev):
"""WPA2-PSK supplicant protocol testing: wrong group key length"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Valid EAPOL-Key msg 3/4")
dev[0].dump_monitor()
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd15000fac010100dc11188831bf4aa4a8678d2b414986')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Unsupported CCMP Group Cipher key length 15"])
if ev is None:
raise Exception("Invalid CCMP key length not reported")
dev[0].wait_disconnected(timeout=1)
def test_ap_wpa2_psk_supp_proto_gtk_tx_bit_workaround(dev, apdev):
"""WPA2-PSK supplicant protocol testing: GTK TX bit workaround"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Valid EAPOL-Key msg 3/4")
dev[0].dump_monitor()
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010500dc11188831bf4aa4a8678d2b41498618')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Tx bit set for GTK, but pairwise keys are used - ignore Tx bit"])
if ev is None:
raise Exception("GTK Tx bit workaround not reported")
dev[0].wait_connected(timeout=1)
def test_ap_wpa2_psk_supp_proto_gtk_keyidx_0_and_3(dev, apdev):
"""WPA2-PSK supplicant protocol testing: GTK key index 0 and 3"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Valid EAPOL-Key msg 3/4 (GTK keyidx 0)")
dev[0].dump_monitor()
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010000dc11188831bf4aa4a8678d2b41498618')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
dev[0].wait_connected(timeout=1)
logger.debug("Valid EAPOL-Key group msg 1/2 (GTK keyidx 3)")
dev[0].dump_monitor()
plain = binascii.unhexlify('dd16000fac010300dc11188831bf4aa4a8678d2b41498618')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
key_info=0x13c2)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
ev = dev[0].wait_event(["WPA: Group rekeying completed"])
if ev is None:
raise Exception("GTK rekeing not reported")
logger.debug("Unencrypted GTK KDE in group msg 1/2")
dev[0].dump_monitor()
plain = binascii.unhexlify('dd16000fac010300dc11188831bf4aa4a8678d2b41498618')
msg = build_eapol_key_3_4(anonce, kck, plain, replay_counter=counter,
key_info=0x03c2)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: GTK IE in unencrypted key data"])
if ev is None:
raise Exception("Unencrypted GTK KDE not reported")
dev[0].wait_disconnected(timeout=1)
def test_ap_wpa2_psk_supp_proto_no_gtk_in_group_msg(dev, apdev):
"""WPA2-PSK supplicant protocol testing: GTK KDE missing from group msg"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Valid EAPOL-Key msg 3/4 (GTK keyidx 0)")
dev[0].dump_monitor()
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010000dc11188831bf4aa4a8678d2b41498618')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
dev[0].wait_connected(timeout=1)
logger.debug("No GTK KDE in EAPOL-Key group msg 1/2")
dev[0].dump_monitor()
plain = binascii.unhexlify('dd00dd00dd00dd00dd00dd00dd00dd00')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
key_info=0x13c2)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: No GTK IE in Group Key msg 1/2"])
if ev is None:
raise Exception("Missing GTK KDE not reported")
dev[0].wait_disconnected(timeout=1)
def test_ap_wpa2_psk_supp_proto_too_long_gtk_in_group_msg(dev, apdev):
"""WPA2-PSK supplicant protocol testing: too long GTK KDE in group msg"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Valid EAPOL-Key msg 3/4 (GTK keyidx 0)")
dev[0].dump_monitor()
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010000dc11188831bf4aa4a8678d2b41498618')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
dev[0].wait_connected(timeout=1)
logger.debug("EAPOL-Key group msg 1/2 with too long GTK KDE")
dev[0].dump_monitor()
plain = binascii.unhexlify('dd27000fac010100ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
key_info=0x13c2)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: Unsupported CCMP Group Cipher key length 33"])
if ev is None:
raise Exception("Too long GTK KDE not reported")
dev[0].wait_disconnected(timeout=1)
def test_ap_wpa2_psk_supp_proto_too_long_gtk_kde(dev, apdev):
"""WPA2-PSK supplicant protocol testing: too long GTK KDE"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("EAPOL-Key msg 3/4 with too short GTK KDE")
dev[0].dump_monitor()
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd27000fac010100ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff')
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
dev[0].wait_disconnected(timeout=1)
def test_ap_wpa2_psk_supp_proto_gtk_not_encrypted(dev, apdev):
"""WPA2-PSK supplicant protocol testing: GTK KDE not encrypted"""
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0])
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("Valid EAPOL-Key msg 3/4")
dev[0].dump_monitor()
plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618')
msg = build_eapol_key_3_4(anonce, kck, plain, replay_counter=counter,
key_info=0x03ca)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
ev = dev[0].wait_event(["WPA: GTK IE in unencrypted key data"])
if ev is None:
raise Exception("Unencrypted GTK KDE not reported")
dev[0].wait_disconnected(timeout=1)
def run_psk_supp_proto_pmf2(dev, apdev, igtk_kde=None, fail=False):
(bssid, ssid, hapd, snonce, pmk, addr, rsne) = eapol_test(apdev[0], dev[0],
ieee80211w=2)
# Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
msg = recv_eapol(hapd)
dev[0].dump_monitor()
# Build own EAPOL-Key msg 1/4
anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
counter = 1
msg = build_eapol_key_1_4(anonce, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
msg = recv_eapol(dev[0])
snonce = msg['rsn_key_nonce']
(ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
logger.debug("EAPOL-Key msg 3/4")
dev[0].dump_monitor()
gtk_kde = binascii.unhexlify('dd16000fac010100dc11188831bf4aa4a8678d2b41498618')
plain = rsne + gtk_kde
if igtk_kde:
plain += igtk_kde
wrapped = aes_wrap(kek, pad_key_data(plain))
msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
counter += 1
send_eapol(dev[0], bssid, build_eapol(msg))
if fail:
dev[0].wait_disconnected(timeout=1)
return
dev[0].wait_connected(timeout=1)
# Verify that an unprotected broadcast Deauthentication frame is ignored
bssid = binascii.unhexlify(hapd.own_addr().replace(':', ''))
sock = start_monitor(apdev[1]["ifname"])
radiotap = radiotap_build()
frame = binascii.unhexlify("c0003a01")
frame += 6*b'\xff' + bssid + bssid
frame += binascii.unhexlify("1000" + "0300")
sock.send(radiotap + frame)
# And same with incorrect BIP protection
for keyid in ["0400", "0500", "0600", "0004", "0005", "0006", "ffff"]:
frame2 = frame + binascii.unhexlify("4c10" + keyid + "010000000000c0e5ca5f2b3b4de9")
sock.send(radiotap + frame2)
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.5)
if ev is not None:
raise Exception("Unexpected disconnection")
def run_psk_supp_proto_pmf(dev, apdev, igtk_kde=None, fail=False):
try:
run_psk_supp_proto_pmf2(dev, apdev, igtk_kde=igtk_kde, fail=fail)
finally:
stop_monitor(apdev[1]["ifname"])
def test_ap_wpa2_psk_supp_proto_no_igtk(dev, apdev):
"""WPA2-PSK supplicant protocol testing: no IGTK KDE"""
run_psk_supp_proto_pmf(dev, apdev, igtk_kde=None)
def test_ap_wpa2_psk_supp_proto_igtk_ok(dev, apdev):
"""WPA2-PSK supplicant protocol testing: valid IGTK KDE"""
igtk_kde = binascii.unhexlify('dd1c' + '000fac09' + '0400' + 6*'00' + 16*'77')
run_psk_supp_proto_pmf(dev, apdev, igtk_kde=igtk_kde)
def test_ap_wpa2_psk_supp_proto_igtk_keyid_swap(dev, apdev):
"""WPA2-PSK supplicant protocol testing: swapped IGTK KeyID"""
igtk_kde = binascii.unhexlify('dd1c' + '000fac09' + '0004' + 6*'00' + 16*'77')
run_psk_supp_proto_pmf(dev, apdev, igtk_kde=igtk_kde)
def test_ap_wpa2_psk_supp_proto_igtk_keyid_too_large(dev, apdev):
"""WPA2-PSK supplicant protocol testing: too large IGTK KeyID"""
igtk_kde = binascii.unhexlify('dd1c' + '000fac09' + 'ffff' + 6*'00' + 16*'77')
run_psk_supp_proto_pmf(dev, apdev, igtk_kde=igtk_kde, fail=True)
def test_ap_wpa2_psk_supp_proto_igtk_keyid_unexpected(dev, apdev):
"""WPA2-PSK supplicant protocol testing: unexpected IGTK KeyID"""
igtk_kde = binascii.unhexlify('dd1c' + '000fac09' + '0006' + 6*'00' + 16*'77')
run_psk_supp_proto_pmf(dev, apdev, igtk_kde=igtk_kde, fail=True)
def find_wpas_process(dev):
ifname = dev.ifname
err, data = dev.cmd_execute(['ps', 'ax'])
for l in data.splitlines():
if "wpa_supplicant" not in l:
continue
if "-i" + ifname not in l:
continue
return int(l.strip().split(' ')[0])
raise Exception("Could not find wpa_supplicant process")
def read_process_memory(pid, key=None):
buf = bytes()
logger.info("Reading process memory (pid=%d)" % pid)
with open('/proc/%d/maps' % pid, 'r') as maps, \
open('/proc/%d/mem' % pid, 'rb') as mem:
for l in maps.readlines():
m = re.match(r'([0-9a-f]+)-([0-9a-f]+) ([-r][-w][-x][-p])', l)
if not m:
continue
start = int(m.group(1), 16)
end = int(m.group(2), 16)
perm = m.group(3)
if start > 0xffffffffffff:
continue
if end < start:
continue
if not perm.startswith('rw'):
continue
for name in ["[heap]", "[stack]"]:
if name in l:
logger.info("%s 0x%x-0x%x is at %d-%d" % (name, start, end, len(buf), len(buf) + (end - start)))
mem.seek(start)
data = mem.read(end - start)
buf += data
if key and key in data:
logger.info("Key found in " + l)
logger.info("Total process memory read: %d bytes" % len(buf))
return buf
def verify_not_present(buf, key, fname, keyname):
pos = buf.find(key)
if pos < 0:
return
prefix = 2048 if pos > 2048 else pos
with open(fname + keyname, 'wb') as f:
f.write(buf[pos - prefix:pos + 2048])
raise Exception(keyname + " found after disassociation")
def get_key_locations(buf, key, keyname):
count = 0
pos = 0
while True:
pos = buf.find(key, pos)
if pos < 0:
break
logger.info("Found %s at %d" % (keyname, pos))
context = 128
start = pos - context if pos > context else 0
before = binascii.hexlify(buf[start:pos])
context += len(key)
end = pos + context if pos < len(buf) - context else len(buf) - context
after = binascii.hexlify(buf[pos + len(key):end])
logger.debug("Memory context %d-%d: %s|%s|%s" % (start, end, before, binascii.hexlify(key), after))
count += 1
pos += len(key)
return count
def test_wpa2_psk_key_lifetime_in_memory(dev, apdev, params):
"""WPA2-PSK and PSK/PTK lifetime in memory"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
pmk = binascii.unhexlify(psk)
p = hostapd.wpa2_params(ssid=ssid)
p['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], p)
pid = find_wpas_process(dev[0])
id = dev[0].connect(ssid, raw_psk=psk, scan_freq="2412",
only_add_network=True)
logger.info("Checking keys in memory after network profile configuration")
buf = read_process_memory(pid, pmk)
get_key_locations(buf, pmk, "PMK")
dev[0].request("REMOVE_NETWORK all")
logger.info("Checking keys in memory after network profile removal")
buf = read_process_memory(pid, pmk)
get_key_locations(buf, pmk, "PMK")
id = dev[0].connect(ssid, psk=passphrase, scan_freq="2412",
only_add_network=True)
logger.info("Checking keys in memory before connection")
buf = read_process_memory(pid, pmk)
get_key_locations(buf, pmk, "PMK")
dev[0].connect_network(id, timeout=20)
# The decrypted copy of GTK is freed only after the CTRL-EVENT-CONNECTED
# event has been delivered, so verify that wpa_supplicant has returned to
# eloop before reading process memory.
time.sleep(1)
dev[0].ping()
buf = read_process_memory(pid, pmk)
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].relog()
ptk = None
gtk = None
with open(os.path.join(params['logdir'], 'log0'), 'r') as f:
for l in f.readlines():
if "WPA: PTK - hexdump" in l:
val = l.strip().split(':')[3].replace(' ', '')
ptk = binascii.unhexlify(val)
if "WPA: Group Key - hexdump" in l:
val = l.strip().split(':')[3].replace(' ', '')
gtk = binascii.unhexlify(val)
if not pmk or not ptk or not gtk:
raise Exception("Could not find keys from debug log")
if len(gtk) != 16:
raise Exception("Unexpected GTK length")
kck = ptk[0:16]
kek = ptk[16:32]
tk = ptk[32:48]
logger.info("Checking keys in memory while associated")
get_key_locations(buf, pmk, "PMK")
if pmk not in buf:
raise HwsimSkip("PMK not found while associated")
if kck not in buf:
raise Exception("KCK not found while associated")
if kek not in buf:
raise Exception("KEK not found while associated")
#if tk in buf:
# raise Exception("TK found from memory")
logger.info("Checking keys in memory after disassociation")
buf = read_process_memory(pid, pmk)
get_key_locations(buf, pmk, "PMK")
# Note: PMK/PSK is still present in network configuration
fname = os.path.join(params['logdir'],
'wpa2_psk_key_lifetime_in_memory.memctx-')
verify_not_present(buf, kck, fname, "KCK")
verify_not_present(buf, kek, fname, "KEK")
verify_not_present(buf, tk, fname, "TK")
if gtk in buf:
get_key_locations(buf, gtk, "GTK")
verify_not_present(buf, gtk, fname, "GTK")
dev[0].request("REMOVE_NETWORK all")
logger.info("Checking keys in memory after network profile removal")
buf = read_process_memory(pid, pmk)
get_key_locations(buf, pmk, "PMK")
verify_not_present(buf, pmk, fname, "PMK")
verify_not_present(buf, kck, fname, "KCK")
verify_not_present(buf, kek, fname, "KEK")
verify_not_present(buf, tk, fname, "TK")
verify_not_present(buf, gtk, fname, "GTK")
@remote_compatible
def test_ap_wpa2_psk_wep(dev, apdev):
"""WPA2-PSK AP and WEP enabled"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
try:
hapd.set('wep_key0', '"hello"')
raise Exception("WEP key accepted to WPA2 network")
except Exception:
pass
def test_ap_wpa2_psk_wpas_in_bridge(dev, apdev):
"""WPA2-PSK AP and wpas interface in a bridge"""
br_ifname = 'sta-br0'
ifname = 'wlan5'
try:
_test_ap_wpa2_psk_wpas_in_bridge(dev, apdev)
finally:
subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down'])
subprocess.call(['brctl', 'delif', br_ifname, ifname])
subprocess.call(['brctl', 'delbr', br_ifname])
subprocess.call(['iw', ifname, 'set', '4addr', 'off'])
def _test_ap_wpa2_psk_wpas_in_bridge(dev, apdev):
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
br_ifname = 'sta-br0'
ifname = 'wlan5'
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
subprocess.call(['brctl', 'addbr', br_ifname])
subprocess.call(['brctl', 'setfd', br_ifname, '0'])
subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up'])
subprocess.call(['iw', ifname, 'set', '4addr', 'on'])
subprocess.check_call(['brctl', 'addif', br_ifname, ifname])
wpas.interface_add(ifname, br_ifname=br_ifname)
wpas.dump_monitor()
wpas.connect(ssid, psk=passphrase, scan_freq="2412")
wpas.dump_monitor()
@remote_compatible
def test_ap_wpa2_psk_ifdown(dev, apdev):
"""AP with open mode and external ifconfig down"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
hapd.cmd_execute(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'down'])
ev = hapd.wait_event(["INTERFACE-DISABLED"], timeout=10)
if ev is None:
raise Exception("No INTERFACE-DISABLED event")
# this wait tests beacon loss detection in mac80211
dev[0].wait_disconnected()
hapd.cmd_execute(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'up'])
ev = hapd.wait_event(["INTERFACE-ENABLED"], timeout=10)
if ev is None:
raise Exception("No INTERFACE-ENABLED event")
dev[0].wait_connected()
hapd.wait_sta()
hwsim_utils.test_connectivity(dev[0], hapd)
def test_ap_wpa2_psk_drop_first_msg_4(dev, apdev):
"""WPA2-PSK and first EAPOL-Key msg 4/4 dropped"""
bssid = apdev[0]['bssid']
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
addr = dev[0].own_addr()
# EAPOL-Key msg 1/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
# EAPOL-Key msg 3/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
logger.info("Drop the first EAPOL-Key msg 4/4")
# wpa_supplicant believes now that 4-way handshake succeeded; hostapd
# doesn't. Use normal EAPOL TX/RX to handle retries.
hapd.request("SET ext_eapol_frame_io 0")
dev[0].request("SET ext_eapol_frame_io 0")
dev[0].wait_connected()
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15)
if ev is None:
raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.1)
if ev is not None:
logger.info("Disconnection detected")
# The EAPOL-Key retries are supposed to allow the connection to be
# established without having to reassociate. However, this does not
# currently work since mac80211 ends up encrypting EAPOL-Key msg 4/4
# after the pairwise key has been configured and AP will drop those and
# disconnect the station after reaching retransmission limit. Connection
# is then established after reassociation. Once that behavior has been
# optimized to prevent EAPOL-Key frame encryption for retransmission
# case, this exception can be uncommented here.
#raise Exception("Unexpected disconnection")
@remote_compatible
def test_ap_wpa2_psk_disable_enable(dev, apdev):
"""WPA2-PSK AP getting disabled and re-enabled"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, raw_psk=psk, scan_freq="2412")
for i in range(2):
hapd.request("DISABLE")
dev[0].wait_disconnected()
hapd.request("ENABLE")
dev[0].wait_connected()
hapd.wait_sta()
hwsim_utils.test_connectivity(dev[0], hapd)
@remote_compatible
def test_ap_wpa2_psk_incorrect_passphrase(dev, apdev):
"""WPA2-PSK AP and station using incorrect passphrase"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk="incorrect passphrase", scan_freq="2412",
wait_connect=False)
ev = hapd.wait_event(["AP-STA-POSSIBLE-PSK-MISMATCH"], timeout=10)
if ev is None:
raise Exception("No AP-STA-POSSIBLE-PSK-MISMATCH reported")
dev[0].dump_monitor()
hapd.disable()
hapd.set("wpa_passphrase", "incorrect passphrase")
hapd.enable()
dev[0].wait_connected(timeout=20)
@remote_compatible
def test_ap_wpa_ie_parsing(dev, apdev):
"""WPA IE parsing"""
skip_with_fips(dev[0])
ssid = "test-wpa-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
id = dev[0].connect(ssid, psk=passphrase, scan_freq="2412",
only_add_network=True)
tests = ["dd040050f201",
"dd050050f20101",
"dd060050f2010100",
"dd060050f2010001",
"dd070050f201010000",
"dd080050f20101000050",
"dd090050f20101000050f2",
"dd0a0050f20101000050f202",
"dd0b0050f20101000050f20201",
"dd0c0050f20101000050f2020100",
"dd0c0050f20101000050f2020000",
"dd0c0050f20101000050f202ffff",
"dd0d0050f20101000050f202010000",
"dd0e0050f20101000050f20201000050",
"dd0f0050f20101000050f20201000050f2",
"dd100050f20101000050f20201000050f202",
"dd110050f20101000050f20201000050f20201",
"dd120050f20101000050f20201000050f2020100",
"dd120050f20101000050f20201000050f2020000",
"dd120050f20101000050f20201000050f202ffff",
"dd130050f20101000050f20201000050f202010000",
"dd140050f20101000050f20201000050f20201000050",
"dd150050f20101000050f20201000050f20201000050f2"]
for t in tests:
try:
if "OK" not in dev[0].request("VENDOR_ELEM_ADD 13 " + t):
raise Exception("VENDOR_ELEM_ADD failed")
dev[0].select_network(id)
ev = dev[0].wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=10)
if ev is None:
raise Exception("Association rejection not reported")
dev[0].request("DISCONNECT")
dev[0].dump_monitor()
finally:
dev[0].request("VENDOR_ELEM_REMOVE 13 *")
tests = ["dd170050f20101000050f20201000050f20201000050f202ff",
"dd180050f20101000050f20201000050f20201000050f202ffff",
"dd190050f20101000050f20201000050f20201000050f202ffffff"]
for t in tests:
try:
if "OK" not in dev[0].request("VENDOR_ELEM_ADD 13 " + t):
raise Exception("VENDOR_ELEM_ADD failed")
dev[0].select_network(id)
ev = dev[0].wait_event(['CTRL-EVENT-CONNECTED',
'WPA: 4-Way Handshake failed'], timeout=10)
if ev is None:
raise Exception("Association failed unexpectedly")
dev[0].request("DISCONNECT")
dev[0].dump_monitor()
finally:
dev[0].request("VENDOR_ELEM_REMOVE 13 *")
@remote_compatible
def test_ap_wpa2_psk_no_random(dev, apdev):
"""WPA2-PSK AP and no random numbers available"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
params = hostapd.wpa2_params(ssid=ssid)
params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev[0], params)
with fail_test(hapd, 1, "wpa_gmk_to_gtk"):
id = dev[0].connect(ssid, raw_psk=psk, scan_freq="2412",
wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=15)
if ev is None:
raise Exception("Disconnection event not reported")
dev[0].request("DISCONNECT")
dev[0].select_network(id, freq=2412)
dev[0].wait_connected()
@remote_compatible
def test_rsn_ie_proto_psk_sta(dev, apdev):
"""RSN element protocol testing for PSK cases on STA side"""
bssid = apdev[0]['bssid']
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
# This is the RSN element used normally by hostapd
params['own_ie_override'] = '30140100000fac040100000fac040100000fac020c00'
hapd = hostapd.add_ap(apdev[0], params)
if "FAIL" not in hapd.request("SET own_ie_override qwerty"):
raise Exception("Invalid own_ie_override value accepted")
id = dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
tests = [('No RSN Capabilities field',
'30120100000fac040100000fac040100000fac02'),
('Reserved RSN Capabilities bits set',
'30140100000fac040100000fac040100000fac023cff'),
('Truncated RSN Capabilities field',
'30130100000fac040100000fac040100000fac023c'),
('Extra pairwise cipher suite (unsupported)',
'30180100000fac040200ffffffff000fac040100000fac020c00'),
('Extra AKM suite (unsupported)',
'30180100000fac040100000fac040200ffffffff000fac020c00'),
('PMKIDCount field included',
'30160100000fac040100000fac040100000fac020c000000'),
('Truncated PMKIDCount field',
'30150100000fac040100000fac040100000fac020c0000'),
('Unexpected Group Management Cipher Suite with PMF disabled',
'301a0100000fac040100000fac040100000fac020c000000000fac06'),
('Extra octet after defined fields (future extensibility)',
'301b0100000fac040100000fac040100000fac020c000000000fac0600')]
for txt, ie in tests:
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].dump_monitor()
dev[0].request("NOTE " + txt)
logger.info(txt)
hapd.disable()
hapd.set('own_ie_override', ie)
hapd.enable()
dev[0].request("BSS_FLUSH 0")
dev[0].scan_for_bss(bssid, 2412, force_scan=True, only_new=True)
dev[0].select_network(id, freq=2412)
dev[0].wait_connected()
@remote_compatible
def test_ap_cli_order(dev, apdev):
ssid = "test-rsn-setup"
passphrase = 'zzzzzzzz'
hapd = hostapd.add_ap(apdev[0], {}, no_enable=True)
hapd.set('ssid', ssid)
hapd.set('wpa_passphrase', passphrase)
hapd.set('rsn_pairwise', 'CCMP')
hapd.set('wpa_key_mgmt', 'WPA-PSK')
hapd.set('wpa', '2')
hapd.enable()
cfg = hapd.get_config()
if cfg['group_cipher'] != 'CCMP':
raise Exception("Unexpected group_cipher: " + cfg['group_cipher'])
if cfg['rsn_pairwise_cipher'] != 'CCMP':
raise Exception("Unexpected rsn_pairwise_cipher: " + cfg['rsn_pairwise_cipher'])
ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=30)
if ev is None:
raise Exception("AP startup timed out")
if "AP-ENABLED" not in ev:
raise Exception("AP startup failed")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
def set_test_assoc_ie(dev, ie):
if "OK" not in dev.request("TEST_ASSOC_IE " + ie):
raise Exception("Could not set TEST_ASSOC_IE")
@remote_compatible
def test_ap_wpa2_psk_assoc_rsn(dev, apdev):
"""WPA2-PSK AP and association request RSN IE differences"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
tests = [("Normal wpa_supplicant assoc req RSN IE",
"30140100000fac040100000fac040100000fac020000"),
("RSN IE without RSN Capabilities",
"30120100000fac040100000fac040100000fac02")]
for title, ie in tests:
logger.info(title)
set_test_assoc_ie(dev[0], ie)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
tests = [("WPA IE instead of RSN IE and only RSN enabled on AP",
"dd160050f20101000050f20201000050f20201000050f202", 40),
("Empty RSN IE", "3000", 40),
("RSN IE with truncated Version", "300101", 40),
("RSN IE with only Version", "30020100", 43)]
for title, ie, status in tests:
logger.info(title)
set_test_assoc_ie(dev[0], ie)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412",
wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-ASSOC-REJECT"])
if ev is None:
raise Exception("Association rejection not reported")
if "status_code=" + str(status) not in ev:
raise Exception("Unexpected status code: " + ev)
dev[0].request("REMOVE_NETWORK all")
dev[0].dump_monitor()
def test_ap_wpa2_psk_ft_workaround(dev, apdev):
"""WPA2-PSK+FT AP and workaround for incorrect STA behavior"""
ssid = "test-wpa2-psk-ft"
passphrase = 'qwertyuiop'
params = {"wpa": "2",
"wpa_key_mgmt": "FT-PSK WPA-PSK",
"rsn_pairwise": "CCMP",
"ssid": ssid,
"wpa_passphrase": passphrase}
params["mobility_domain"] = "a1b2"
params["r0_key_lifetime"] = "10000"
params["pmk_r1_push"] = "1"
params["reassociation_deadline"] = "1000"
params['nas_identifier'] = "nas1.w1.fi"
params['r1_key_holder'] = "000102030405"
hapd = hostapd.add_ap(apdev[0], params)
# Include both WPA-PSK and FT-PSK AKMs in Association Request frame
set_test_assoc_ie(dev[0],
"30180100000fac040100000fac040200000fac02000fac040000")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
def test_ap_wpa2_psk_assoc_rsn_pmkid(dev, apdev):
"""WPA2-PSK AP and association request RSN IE with PMKID"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
hapd = hostapd.add_ap(apdev[0], params)
set_test_assoc_ie(dev[0], "30260100000fac040100000fac040100000fac0200000100" + 16*'00')
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
def test_ap_wpa_psk_rsn_pairwise(dev, apdev):
"""WPA-PSK AP and only rsn_pairwise set"""
params = {"ssid": "wpapsk", "wpa": "1", "wpa_key_mgmt": "WPA-PSK",
"rsn_pairwise": "TKIP", "wpa_passphrase": "1234567890"}
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect("wpapsk", psk="1234567890", proto="WPA", pairwise="TKIP",
scan_freq="2412")
def test_ap_wpa2_eapol_retry_limit(dev, apdev):
"""WPA2-PSK EAPOL-Key retry limit configuration"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['wpa_ptk_rekey'] = '2'
params['wpa_group_update_count'] = '1'
params['wpa_pairwise_update_count'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
ev = dev[0].wait_event(["WPA: Key negotiation completed"])
if ev is None:
raise Exception("PTK rekey timed out")
if "FAIL" not in hapd.request("SET wpa_group_update_count 0"):
raise Exception("Invalid wpa_group_update_count value accepted")
if "FAIL" not in hapd.request("SET wpa_pairwise_update_count 0"):
raise Exception("Invalid wpa_pairwise_update_count value accepted")
def test_ap_wpa2_disable_eapol_retry(dev, apdev):
"""WPA2-PSK disable EAPOL-Key retry"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['wpa_disable_eapol_key_retries'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
logger.info("Verify working 4-way handshake without retries")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
dev[0].dump_monitor()
addr = dev[0].own_addr()
logger.info("Verify no retransmission of message 3/4")
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
ev = hapd.wait_event(["EAPOL-TX"], timeout=5)
if ev is None:
raise Exception("Timeout on EAPOL-TX (M1) from hostapd")
ev = hapd.wait_event(["EAPOL-TX"], timeout=5)
if ev is None:
raise Exception("Timeout on EAPOL-TX (M1 retry) from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX (M1) to wpa_supplicant failed")
ev = dev[0].wait_event(["EAPOL-TX"], timeout=5)
if ev is None:
raise Exception("Timeout on EAPOL-TX (M2) from wpa_supplicant")
dev[0].dump_monitor()
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX (M2) to hostapd failed")
ev = hapd.wait_event(["EAPOL-TX"], timeout=5)
if ev is None:
raise Exception("Timeout on EAPOL-TX (M3) from hostapd")
ev = hapd.wait_event(["EAPOL-TX"], timeout=2)
if ev is not None:
raise Exception("Unexpected EAPOL-TX M3 retry from hostapd")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=3)
if ev is None:
raise Exception("Disconnection not reported")
dev[0].request("REMOVE_NETWORK all")
dev[0].dump_monitor()
def test_ap_wpa2_disable_eapol_retry_group(dev, apdev):
"""WPA2-PSK disable EAPOL-Key retry for group handshake"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['wpa_disable_eapol_key_retries'] = '1'
params['wpa_strict_rekey'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
id = dev[1].connect(ssid, psk=passphrase, scan_freq="2412")
hapd.wait_sta()
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
hapd.wait_sta()
dev[0].dump_monitor()
addr = dev[0].own_addr()
dev[1].request("DISCONNECT")
dev[1].wait_disconnected()
ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
if ev is None:
raise Exception("GTK rekey timed out")
dev[1].request("RECONNECT")
dev[1].wait_connected()
hapd.wait_sta()
dev[0].dump_monitor()
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[1].request("DISCONNECT")
ev = hapd.wait_event(["EAPOL-TX"], timeout=5)
if ev is None:
raise Exception("Timeout on EAPOL-TX (group M1) from hostapd")
ev = hapd.wait_event(["EAPOL-TX"], timeout=2)
if ev is not None:
raise Exception("Unexpected EAPOL-TX group M1 retry from hostapd")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=3)
if ev is None:
raise Exception("Disconnection not reported")
dev[0].request("REMOVE_NETWORK all")
dev[0].dump_monitor()
def test_ap_wpa2_psk_mic_0(dev, apdev):
"""WPA2-PSK/TKIP and MIC=0 in EAPOL-Key msg 3/4"""
bssid = apdev[0]['bssid']
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['rsn_pairwise'] = "TKIP"
hapd = hostapd.add_ap(apdev[0], params)
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
addr = dev[0].own_addr()
# EAPOL-Key msg 1/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 2/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed")
dev[0].dump_monitor()
# EAPOL-Key msg 3/4
ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from hostapd")
msg3 = ev.split(' ')[2]
res = dev[0].request("EAPOL_RX " + bssid + " " + msg3)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# EAPOL-Key msg 4/4
ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
if ev is None:
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
# Do not send to the AP
# EAPOL-Key msg 3/4 with MIC=0 and modifications
eapol_hdr = msg3[0:8]
key_type = msg3[8:10]
key_info = msg3[10:14]
key_length = msg3[14:18]
replay_counter = msg3[18:34]
key_nonce = msg3[34:98]
key_iv = msg3[98:130]
key_rsc = msg3[130:146]
key_id = msg3[146:162]
key_mic = msg3[162:194]
key_data_len = msg3[194:198]
key_data = msg3[198:]
msg3b = eapol_hdr + key_type
msg3b += "12c9" # Clear MIC bit from key_info (originally 13c9)
msg3b += key_length
msg3b += '0000000000000003'
msg3b += key_nonce + key_iv + key_rsc + key_id
msg3b += 32*'0' # Clear MIC value
msg3b += key_data_len + key_data
dev[0].dump_monitor()
res = dev[0].request("EAPOL_RX " + bssid + " " + msg3b)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
ev = dev[0].wait_event(["EAPOL-TX", "WPA: Ignore EAPOL-Key"], timeout=2)
if ev is None:
raise Exception("No event from wpa_supplicant")
if "EAPOL-TX" in ev:
raise Exception("Unexpected EAPOL-Key message from wpa_supplicant")
dev[0].request("DISCONNECT")
def test_ap_wpa2_psk_local_error(dev, apdev):
"""WPA2-PSK and local error cases on supplicant"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params["wpa_key_mgmt"] = "WPA-PSK WPA-PSK-SHA256"
hapd = hostapd.add_ap(apdev[0], params)
with fail_test(dev[0], 1, "sha1_prf;wpa_pmk_to_ptk"):
id = dev[0].connect(ssid, key_mgmt="WPA-PSK", psk=passphrase,
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5)
if ev is None:
raise Exception("Disconnection event not reported")
dev[0].request("REMOVE_NETWORK all")
dev[0].dump_monitor()
with fail_test(dev[0], 1, "sha256_prf;wpa_pmk_to_ptk"):
id = dev[0].connect(ssid, key_mgmt="WPA-PSK-SHA256", psk=passphrase,
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5)
if ev is None:
raise Exception("Disconnection event not reported")
dev[0].request("REMOVE_NETWORK all")
dev[0].dump_monitor()
def test_ap_wpa2_psk_inject_assoc(dev, apdev, params):
"""WPA2-PSK AP and Authentication and Association Request frame injection"""
prefix = "ap_wpa2_psk_inject_assoc"
ifname = apdev[0]["ifname"]
cap = os.path.join(params['logdir'], prefix + "." + ifname + ".pcap")
ssid = "test"
params = hostapd.wpa2_params(ssid=ssid, passphrase="12345678")
params["wpa_key_mgmt"] = "WPA-PSK"
hapd = hostapd.add_ap(apdev[0], params)
wt = WlantestCapture(ifname, cap)
time.sleep(1)
bssid = hapd.own_addr().replace(':', '')
hapd.request("SET ext_mgmt_frame_handling 1")
addr = "021122334455"
auth = "b0003a01" + bssid + addr + bssid + '1000000001000000'
res = hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % auth)
if "OK" not in res:
raise Exception("MGMT_RX_PROCESS failed")
ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
if ev is None:
raise Exception("No TX status seen")
ev = ev.replace("ok=0", "ok=1")
cmd = "MGMT_TX_STATUS_PROCESS %s" % (" ".join(ev.split(' ')[1:4]))
if "OK" not in hapd.request(cmd):
raise Exception("MGMT_TX_STATUS_PROCESS failed")
assoc = "00003a01" + bssid + addr + bssid + '2000' + '31040500' + '000474657374' + '010802040b160c121824' + '30140100000fac040100000fac040100000fac020000'
res = hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % assoc)
if "OK" not in res:
raise Exception("MGMT_RX_PROCESS failed")
ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
if ev is None:
raise Exception("No TX status seen")
ev = ev.replace("ok=0", "ok=1")
cmd = "MGMT_TX_STATUS_PROCESS %s" % (" ".join(ev.split(' ')[1:4]))
if "OK" not in hapd.request(cmd):
raise Exception("MGMT_TX_STATUS_PROCESS failed")
hapd.request("SET ext_mgmt_frame_handling 0")
dev[0].connect(ssid, psk="12345678", scan_freq="2412")
hapd.wait_sta()
hwsim_utils.test_connectivity(dev[0], hapd)
time.sleep(1)
hwsim_utils.test_connectivity(dev[0], hapd)
time.sleep(0.5)
wt.close()
time.sleep(0.5)
# Check for Layer 2 Update frame and unexpected frames from the station
# that did not fully complete authentication.
res = run_tshark(cap, "basicxid.llc.xid.format == 0x81",
["eth.src"], wait=False)
real_sta_seen = False
unexpected_sta_seen = False
real_addr = dev[0].own_addr()
for l in res.splitlines():
if l == real_addr:
real_sta_seen = True
else:
unexpected_sta_seen = True
if unexpected_sta_seen:
raise Exception("Layer 2 Update frame from unexpected STA seen")
if not real_sta_seen:
raise Exception("Layer 2 Update frame from real STA not seen")
res = run_tshark(cap, "eth.src == 02:11:22:33:44:55", ["eth.src"],
wait=False)
if len(res) > 0:
raise Exception("Unexpected frame from unauthorized STA seen")
def test_ap_wpa2_psk_no_control_port(dev, apdev):
"""WPA2-PSK AP without nl80211 control port"""
ssid = "test-wpa2-psk"
passphrase = 'qwertyuiop'
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params['driver_params'] = "control_port=0"
hapd = hostapd.add_ap(apdev[0], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="control_port=0")
wpas.connect(ssid, psk=passphrase, scan_freq="2412")
hapd.wait_sta()
hwsim_utils.test_connectivity(wpas, hapd)
if "OK" not in wpas.request("KEY_REQUEST 0 1"):
raise Exception("KEY_REQUEST failed")
ev = wpas.wait_event(["WPA: Key negotiation completed"])
if ev is None:
raise Exception("PTK rekey timed out")
hapd.wait_ptkinitdone(wpas.own_addr())
hwsim_utils.test_connectivity(wpas, hapd)
wpas.request("DISCONNECT")
wpas.wait_disconnected()
wpas.dump_monitor()
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