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tests: WPA EAPOL 4-way handshake protocol testing

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Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2014-11-22 00:34:20 +02:00 committed by Jouni Malinen
parent 53b9bedb7a
commit a52fd1c338
1 changed files with 41 additions and 5 deletions
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46
tests/hwsim/test_ap_psk.py
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@ -427,7 +427,7 @@ def parse_eapol(data):
# EAPOL-Key # EAPOL-Key
(eapol['descr_type'],) = struct.unpack('B', payload[0:1]) (eapol['descr_type'],) = struct.unpack('B', payload[0:1])
payload = payload[1:] payload = payload[1:]
if eapol['descr_type'] == 2: if eapol['descr_type'] == 2 or eapol['descr_type'] == 254:
# RSN EAPOL-Key # RSN EAPOL-Key
(key_info, key_len) = struct.unpack('>HH', payload[0:4]) (key_info, key_len) = struct.unpack('>HH', payload[0:4])
eapol['rsn_key_info'] = key_info eapol['rsn_key_info'] = key_info
@ -539,19 +539,28 @@ def hapd_connected(hapd):
if ev is None: if ev is None:
raise Exception("Timeout on AP-STA-CONNECTED from hostapd") raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
def eapol_test(apdev, dev): def eapol_test(apdev, dev, wpa2=True):
bssid = apdev['bssid'] bssid = apdev['bssid']
ssid = "test-wpa2-psk" if wpa2:
ssid = "test-wpa2-psk"
else:
ssid = "test-wpa-psk"
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
pmk = binascii.unhexlify(psk) pmk = binascii.unhexlify(psk)
params = hostapd.wpa2_params(ssid=ssid) if wpa2:
params = hostapd.wpa2_params(ssid=ssid)
else:
params = hostapd.wpa_params(ssid=ssid)
params['wpa_psk'] = psk params['wpa_psk'] = psk
hapd = hostapd.add_ap(apdev['ifname'], params) hapd = hostapd.add_ap(apdev['ifname'], params)
hapd.request("SET ext_eapol_frame_io 1") hapd.request("SET ext_eapol_frame_io 1")
dev.request("SET ext_eapol_frame_io 1") dev.request("SET ext_eapol_frame_io 1")
dev.connect(ssid, psk="not used", scan_freq="2412", wait_connect=False) dev.connect(ssid, psk="not used", scan_freq="2412", wait_connect=False)
addr = dev.p2p_interface_addr() addr = dev.p2p_interface_addr()
rsne = binascii.unhexlify('30140100000fac040100000fac040100000fac020000') if wpa2:
rsne = binascii.unhexlify('30140100000fac040100000fac040100000fac020000')
else:
rsne = binascii.unhexlify('dd160050f20101000050f20201000050f20201000050f202')
snonce = binascii.unhexlify('1111111111111111111111111111111111111111111111111111111111111111') snonce = binascii.unhexlify('1111111111111111111111111111111111111111111111111111111111111111')
return (bssid,ssid,hapd,snonce,pmk,addr,rsne) return (bssid,ssid,hapd,snonce,pmk,addr,rsne)
@ -704,3 +713,30 @@ def test_ap_wpa2_psk_ext_eapol_type_diff(dev, apdev):
reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck) reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
hapd_connected(hapd) hapd_connected(hapd)
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_connected(hapd)