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fragattacks/tests/hwsim/test_ap_ht.py
Jouni Malinen 9645dbe9b2 tests: OLBC state clearing on timeout 
Signed-off-by: Jouni Malinen <j@w1.fi>
2014-03-29 16:35:54 +02:00

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Python
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# Test cases for HT operations with hostapd
# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import time
import logging
logger = logging.getLogger()
import struct
import subprocess
import hostapd
def test_ap_ht40_scan(dev, apdev):
"""HT40 co-ex scan"""
params = { "ssid": "test-ht40",
"channel": "5",
"ht_capab": "[HT40-]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
time.sleep(0.1)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
raise Exception("Unexpected interface state - expected HT_SCAN")
ev = hapd.wait_event(["AP-ENABLED"], timeout=10)
if not ev:
raise Exception("AP setup timed out")
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state - expected ENABLED")
freq = hapd.get_status_field("freq")
if freq != "2432":
raise Exception("Unexpected frequency")
pri = hapd.get_status_field("channel")
if pri != "5":
raise Exception("Unexpected primary channel")
sec = hapd.get_status_field("secondary_channel")
if sec != "-1":
raise Exception("Unexpected secondary channel")
dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
def test_ap_ht40_scan_conflict(dev, apdev):
"""HT40 co-ex scan conflict"""
params = { "ssid": "test-ht40",
"channel": "6",
"ht_capab": "[HT40+]"}
hostapd.add_ap(apdev[1]['ifname'], params)
params = { "ssid": "test-ht40",
"channel": "5",
"ht_capab": "[HT40-]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
time.sleep(0.1)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
raise Exception("Unexpected interface state - expected HT_SCAN")
ev = hapd.wait_event(["AP-ENABLED"], timeout=10)
if not ev:
raise Exception("AP setup timed out")
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state - expected ENABLED")
freq = hapd.get_status_field("freq")
if freq != "2432":
raise Exception("Unexpected frequency")
pri = hapd.get_status_field("channel")
if pri != "5":
raise Exception("Unexpected primary channel")
sec = hapd.get_status_field("secondary_channel")
if sec != "0":
raise Exception("Unexpected secondary channel: " + sec)
dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
def test_ap_ht40_scan_match(dev, apdev):
"""HT40 co-ex scan matching configuration"""
params = { "ssid": "test-ht40",
"channel": "5",
"ht_capab": "[HT40-]"}
hostapd.add_ap(apdev[1]['ifname'], params)
params = { "ssid": "test-ht40",
"channel": "5",
"ht_capab": "[HT40-]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
time.sleep(0.1)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
raise Exception("Unexpected interface state - expected HT_SCAN")
ev = hapd.wait_event(["AP-ENABLED"], timeout=10)
if not ev:
raise Exception("AP setup timed out")
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state - expected ENABLED")
freq = hapd.get_status_field("freq")
if freq != "2432":
raise Exception("Unexpected frequency")
pri = hapd.get_status_field("channel")
if pri != "5":
raise Exception("Unexpected primary channel")
sec = hapd.get_status_field("secondary_channel")
if sec != "-1":
raise Exception("Unexpected secondary channel: " + sec)
dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
def test_ap_ht40_5ghz_match(dev, apdev):
"""HT40 co-ex scan on 5 GHz with matching pri/sec channel"""
try:
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "36",
"country_code": "US",
"ht_capab": "[HT40+]"}
hostapd.add_ap(apdev[1]['ifname'], params)
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
time.sleep(0.1)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
raise Exception("Unexpected interface state - expected HT_SCAN")
ev = hapd.wait_event(["AP-ENABLED"], timeout=10)
if not ev:
raise Exception("AP setup timed out")
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state - expected ENABLED")
freq = hapd.get_status_field("freq")
if freq != "5180":
raise Exception("Unexpected frequency")
pri = hapd.get_status_field("channel")
if pri != "36":
raise Exception("Unexpected primary channel")
sec = hapd.get_status_field("secondary_channel")
if sec != "1":
raise Exception("Unexpected secondary channel: " + sec)
dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
finally:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
def test_ap_ht40_5ghz_switch(dev, apdev):
"""HT40 co-ex scan on 5 GHz switching pri/sec channel"""
try:
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "36",
"country_code": "US",
"ht_capab": "[HT40+]"}
hostapd.add_ap(apdev[1]['ifname'], params)
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "40",
"ht_capab": "[HT40-]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
time.sleep(0.1)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
raise Exception("Unexpected interface state - expected HT_SCAN")
ev = hapd.wait_event(["AP-ENABLED"], timeout=10)
if not ev:
raise Exception("AP setup timed out")
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state - expected ENABLED")
freq = hapd.get_status_field("freq")
if freq != "5180":
raise Exception("Unexpected frequency: " + freq)
pri = hapd.get_status_field("channel")
if pri != "36":
raise Exception("Unexpected primary channel: " + pri)
sec = hapd.get_status_field("secondary_channel")
if sec != "1":
raise Exception("Unexpected secondary channel: " + sec)
dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
finally:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
def test_ap_ht40_5ghz_switch2(dev, apdev):
"""HT40 co-ex scan on 5 GHz switching pri/sec channel (2)"""
try:
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "36",
"country_code": "US",
"ht_capab": "[HT40+]"}
hostapd.add_ap(apdev[1]['ifname'], params)
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-open")
dev[0].set_network(id, "key_mgmt", "NONE")
dev[0].set_network(id, "frequency", "5200")
dev[0].set_network(id, "scan_freq", "5200")
dev[0].select_network(id)
time.sleep(1)
params = { "ssid": "test-ht40",
"hw_mode": "a",
"channel": "40",
"ht_capab": "[HT40-]"}
hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
time.sleep(0.1)
state = hapd.get_status_field("state")
if state != "HT_SCAN":
raise Exception("Unexpected interface state - expected HT_SCAN")
ev = hapd.wait_event(["AP-ENABLED"], timeout=10)
if not ev:
raise Exception("AP setup timed out")
state = hapd.get_status_field("state")
if state != "ENABLED":
raise Exception("Unexpected interface state - expected ENABLED")
freq = hapd.get_status_field("freq")
if freq != "5180":
raise Exception("Unexpected frequency: " + freq)
pri = hapd.get_status_field("channel")
if pri != "36":
raise Exception("Unexpected primary channel: " + pri)
sec = hapd.get_status_field("secondary_channel")
if sec != "1":
raise Exception("Unexpected secondary channel: " + sec)
dev[0].connect("test-ht40", key_mgmt="NONE", scan_freq=freq)
finally:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
def test_obss_scan(dev, apdev):
"""Overlapping BSS scan request"""
params = { "ssid": "obss-scan",
"channel": "6",
"ht_capab": "[HT40-]",
"obss_interval": "10" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
params = { "ssid": "another-bss",
"channel": "9",
"ieee80211n": "0" }
hostapd.add_ap(apdev[1]['ifname'], params)
dev[0].connect("obss-scan", key_mgmt="NONE", scan_freq="2437")
hapd.set("ext_mgmt_frame_handling", "1")
logger.info("Waiting for OBSS scan to occur")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=15)
if ev is None:
raise Exception("Timed out while waiting for OBSS scan to start")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=10)
if ev is None:
raise Exception("Timed out while waiting for OBSS scan results")
received = False
for i in range(0, 4):
frame = hapd.mgmt_rx(timeout=5)
if frame is None:
raise Exception("MGMT RX wait timed out")
if frame['subtype'] != 13:
continue
payload = frame['payload']
if len(payload) < 3:
continue
(category, action, ie) = struct.unpack('BBB', payload[0:3])
if category != 4:
continue
if action != 0:
continue
if ie == 72:
logger.info("20/40 BSS Coexistence report received")
received = True
break
if not received:
raise Exception("20/40 BSS Coexistence report not seen")
def test_obss_scan_40_intolerant(dev, apdev):
"""Overlapping BSS scan request with 40 MHz intolerant AP"""
params = { "ssid": "obss-scan",
"channel": "6",
"ht_capab": "[HT40-]",
"obss_interval": "10" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
params = { "ssid": "another-bss",
"channel": "7",
"ht_capab": "[40-INTOLERANT]" }
hostapd.add_ap(apdev[1]['ifname'], params)
dev[0].connect("obss-scan", key_mgmt="NONE", scan_freq="2437")
hapd.set("ext_mgmt_frame_handling", "1")
logger.info("Waiting for OBSS scan to occur")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=15)
if ev is None:
raise Exception("Timed out while waiting for OBSS scan to start")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=10)
if ev is None:
raise Exception("Timed out while waiting for OBSS scan results")
received = False
for i in range(0, 4):
frame = hapd.mgmt_rx(timeout=5)
if frame is None:
raise Exception("MGMT RX wait timed out")
if frame['subtype'] != 13:
continue
payload = frame['payload']
if len(payload) < 3:
continue
(category, action, ie) = struct.unpack('BBB', payload[0:3])
if category != 4:
continue
if action != 0:
continue
if ie == 72:
logger.info("20/40 BSS Coexistence report received")
received = True
break
if not received:
raise Exception("20/40 BSS Coexistence report not seen")
def test_olbc(dev, apdev):
"""OLBC detection"""
params = { "ssid": "test-olbc",
"channel": "6",
"ht_capab": "[HT40-]",
"ap_table_expiration_time": "2" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
status = hapd.get_status()
if status['olbc'] != '0' or status['olbc_ht'] != '0':
raise Exception("Unexpected OLBC information")
params = { "ssid": "olbc-ap",
"hw_mode": "b",
"channel": "6",
"wmm_enabled": "0" }
hostapd.add_ap(apdev[1]['ifname'], params)
time.sleep(0.5)
status = hapd.get_status()
if status['olbc'] != '1' or status['olbc_ht'] != '1':
raise Exception("Missing OLBC information")
hapd_global = hostapd.HostapdGlobal()
hapd_global.remove(apdev[1]['ifname'])
logger.info("Waiting for OLBC state to time out")
cleared = False
for i in range(0, 15):
time.sleep(1)
status = hapd.get_status()
if status['olbc'] == '0' and status['olbc_ht'] == '0':
cleared = True
break
if not cleared:
raise Exception("OLBC state did nto time out")
def test_olbc_5ghz(dev, apdev):
"""OLBC detection on 5 GHz"""
try:
params = { "ssid": "test-olbc",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ht_capab": "[HT40+]" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
status = hapd.get_status()
if status['olbc'] != '0' or status['olbc_ht'] != '0':
raise Exception("Unexpected OLBC information")
params = { "ssid": "olbc-ap",
"country_code": "FI",
"hw_mode": "a",
"channel": "36",
"ieee80211n": "0",
"wmm_enabled": "0" }
hostapd.add_ap(apdev[1]['ifname'], params)
time.sleep(0.5)
status = hapd.get_status()
if status['olbc_ht'] != '1':
raise Exception("Missing OLBC information")
finally:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
def test_ap_require_ht(dev, apdev):
"""Require HT"""
params = { "ssid": "require-ht",
"require_ht": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
dev[1].connect("require-ht", key_mgmt="NONE", scan_freq="2412",
disable_ht="1", wait_connect=False)
dev[0].connect("require-ht", key_mgmt="NONE", scan_freq="2412")
ev = dev[1].wait_event(["CTRL-EVENT-ASSOC-REJECT"])
if ev is None:
raise Exception("Association rejection timed out")
if "status_code=27" not in ev:
raise Exception("Unexpected rejection status code")
def test_ap_require_ht_limited_rates(dev, apdev):
"""Require HT with limited supported rates"""
params = { "ssid": "require-ht",
"supported_rates": "60 120 240 360 480 540",
"require_ht": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params, wait_enabled=False)
dev[1].connect("require-ht", key_mgmt="NONE", scan_freq="2412",
disable_ht="1", wait_connect=False)
dev[0].connect("require-ht", key_mgmt="NONE", scan_freq="2412")
ev = dev[1].wait_event(["CTRL-EVENT-ASSOC-REJECT"])
if ev is None:
raise Exception("Association rejection timed out")
if "status_code=27" not in ev:
raise Exception("Unexpected rejection status code")
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