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tests: WPA2-PSK and supplicant receiving unexpected EAPOL-Key frames

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Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2020-11-23 21:28:19 +02:00 committed by Jouni Malinen
parent 0ea870324e
commit 1759a8e3f3
1 changed files with 34 additions and 0 deletions
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34
tests/hwsim/test_ap_psk.py
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@ -685,6 +685,8 @@ def setup_psk_ext(dev, apdev, wpa_ptk_rekey=None):
def ext_4way_hs(hapd, dev): def ext_4way_hs(hapd, dev):
bssid = hapd.own_addr() bssid = hapd.own_addr()
addr = dev.own_addr() addr = dev.own_addr()
first = None
last = None
while True: while True:
ev = hapd.wait_event(["EAPOL-TX", "AP-STA-CONNECTED"], timeout=15) ev = hapd.wait_event(["EAPOL-TX", "AP-STA-CONNECTED"], timeout=15)
if ev is None: if ev is None:
@ -692,6 +694,9 @@ def ext_4way_hs(hapd, dev):
if "AP-STA-CONNECTED" in ev: if "AP-STA-CONNECTED" in ev:
dev.wait_connected(timeout=15) dev.wait_connected(timeout=15)
break break
if not first:
first = ev.split(' ')[2]
last = ev.split(' ')[2]
res = dev.request("EAPOL_RX " + bssid + " " + ev.split(' ')[2]) res = dev.request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
if "OK" not in res: if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed") raise Exception("EAPOL_RX to wpa_supplicant failed")
@ -703,12 +708,41 @@ def ext_4way_hs(hapd, dev):
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2]) res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
if "OK" not in res: if "OK" not in res:
raise Exception("EAPOL_RX to hostapd failed") raise Exception("EAPOL_RX to hostapd failed")
return first, last
def test_ap_wpa2_psk_ext(dev, apdev): def test_ap_wpa2_psk_ext(dev, apdev):
"""WPA2-PSK AP using external EAPOL I/O""" """WPA2-PSK AP using external EAPOL I/O"""
hapd = setup_psk_ext(dev[0], apdev[0]) hapd = setup_psk_ext(dev[0], apdev[0])
ext_4way_hs(hapd, dev[0]) ext_4way_hs(hapd, dev[0])
def test_ap_wpa2_psk_unexpected(dev, apdev):
"""WPA2-PSK and supplicant receiving unexpected EAPOL-Key frames"""
hapd = setup_psk_ext(dev[0], apdev[0])
first, last = ext_4way_hs(hapd, dev[0])
# Not associated - Delay processing of received EAPOL frame (state=COMPLETED
# bssid=02:00:00:00:03:00)
other = "02:11:22:33:44:55"
res = dev[0].request("EAPOL_RX " + other + " " + first)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# WPA: EAPOL-Key Replay Counter did not increase - dropping packet
bssid = hapd.own_addr()
res = dev[0].request("EAPOL_RX " + bssid + " " + last)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
# WPA: Invalid EAPOL-Key MIC - dropping packet
msg = last[0:18] + '01' + last[20:]
res = dev[0].request("EAPOL_RX " + bssid + " " + msg)
if "OK" not in res:
raise Exception("EAPOL_RX to wpa_supplicant failed")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=12)
if ev is not None:
raise Exception("Unexpected disconnection")
def test_ap_wpa2_psk_ext_retry_msg_3(dev, apdev): 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""" """WPA2-PSK AP using external EAPOL I/O and retry for EAPOL-Key msg 3/4"""
hapd = setup_psk_ext(dev[0], apdev[0]) hapd = setup_psk_ext(dev[0], apdev[0])