577 lines
21 KiB
Python
577 lines
21 KiB
Python
# Test cases for automatic channel selection with hostapd
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# Copyright (c) 2013-2018, Jouni Malinen <j@w1.fi>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import logging
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logger = logging.getLogger()
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import time
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import hostapd
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from utils import *
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from test_ap_ht import clear_scan_cache
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from test_dfs import wait_dfs_event
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from test_sae import check_sae_capab
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def force_prev_ap_on_24g(ap):
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# For now, make sure the last operating channel was on 2.4 GHz band to get
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# sufficient survey data from mac80211_hwsim.
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hostapd.add_ap(ap, {"ssid": "open"})
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time.sleep(0.1)
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hostapd.remove_bss(ap)
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def force_prev_ap_on_5g(ap):
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# For now, make sure the last operating channel was on 5 GHz band to get
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# sufficient survey data from mac80211_hwsim.
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hostapd.add_ap(ap, {"ssid": "open", "hw_mode": "a",
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"channel": "36", "country_code": "US"})
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time.sleep(0.1)
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hostapd.remove_bss(ap)
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def wait_acs(hapd, return_after_acs=False):
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ev = hapd.wait_event(["ACS-STARTED", "ACS-COMPLETED", "ACS-FAILED",
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"AP-ENABLED", "AP-DISABLED"], timeout=5)
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if not ev:
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raise Exception("ACS start timed out")
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if "ACS-STARTED" not in ev:
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raise Exception("Unexpected ACS event: " + ev)
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state = hapd.get_status_field("state")
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if state != "ACS":
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raise Exception("Unexpected interface state")
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ev = hapd.wait_event(["ACS-COMPLETED", "ACS-FAILED", "AP-ENABLED",
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"AP-DISABLED"], timeout=20)
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if not ev:
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raise Exception("ACS timed out")
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if "ACS-COMPLETED" not in ev:
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raise Exception("Unexpected ACS event: " + ev)
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if return_after_acs:
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return
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ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=5)
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if not ev:
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raise Exception("AP setup timed out")
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if "AP-ENABLED" not in ev:
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raise Exception("Unexpected ACS event: " + ev)
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state = hapd.get_status_field("state")
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if state != "ENABLED":
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raise Exception("Unexpected interface state")
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def test_ap_acs(dev, apdev):
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"""Automatic channel selection"""
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force_prev_ap_on_24g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 2400:
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raise Exception("Unexpected frequency")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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def test_ap_acs_chanlist(dev, apdev):
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"""Automatic channel selection with chanlist set"""
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force_prev_ap_on_24g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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params['chanlist'] = '1 6 11'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 2400:
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raise Exception("Unexpected frequency")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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def test_ap_acs_freqlist(dev, apdev):
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"""Automatic channel selection with freqlist set"""
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force_prev_ap_on_24g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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params['freqlist'] = '2412 2437 2462'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd)
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freq = int(hapd.get_status_field("freq"))
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if freq not in [2412, 2437, 2462]:
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raise Exception("Unexpected frequency: " + freq)
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dev[0].connect("test-acs", psk="12345678", scan_freq=str(freq))
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def test_ap_acs_invalid_chanlist(dev, apdev):
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"""Automatic channel selection with invalid chanlist"""
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force_prev_ap_on_24g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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params['chanlist'] = '15-18'
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hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
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res = hapd.request("ENABLE")
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if "OK" in res:
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raise Exception("ENABLE command succeeded unexpectedly")
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def test_ap_multi_bss_acs(dev, apdev):
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"""hostapd start with a multi-BSS configuration file using ACS"""
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skip_with_fips(dev[0])
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check_sae_capab(dev[2])
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force_prev_ap_on_24g(apdev[0])
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# start the actual test
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hapd = hostapd.add_iface(apdev[0], 'multi-bss-acs.conf')
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hapd.enable()
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 2400:
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raise Exception("Unexpected frequency")
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dev[0].connect("bss-1", key_mgmt="NONE", scan_freq=freq)
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dev[1].connect("bss-2", psk="12345678", scan_freq=freq)
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dev[2].set("sae_groups", "")
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dev[2].connect("bss-3", key_mgmt="SAE", psk="qwertyuiop", scan_freq=freq)
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def test_ap_acs_40mhz(dev, apdev):
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"""Automatic channel selection for 40 MHz channel"""
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run_ap_acs_40mhz(dev, apdev, '[HT40+]')
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def test_ap_acs_40mhz_plus_or_minus(dev, apdev):
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"""Automatic channel selection for 40 MHz channel (plus or minus)"""
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run_ap_acs_40mhz(dev, apdev, '[HT40+][HT40-]')
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def run_ap_acs_40mhz(dev, apdev, ht_capab):
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clear_scan_cache(apdev[0])
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force_prev_ap_on_24g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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params['ht_capab'] = ht_capab
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 2400:
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raise Exception("Unexpected frequency")
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sec = hapd.get_status_field("secondary_channel")
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if int(sec) == 0:
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raise Exception("Secondary channel not set")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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def test_ap_acs_40mhz_minus(dev, apdev):
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"""Automatic channel selection for HT40- channel"""
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clear_scan_cache(apdev[0])
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force_prev_ap_on_24g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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params['ht_capab'] = '[HT40-]'
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params['acs_num_scans'] = '1'
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params['chanlist'] = '1 11'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=10)
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if not ev:
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raise Exception("ACS start timed out")
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# HT40- is not currently supported in hostapd ACS, so do not try to connect
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# or verify that this operation succeeded.
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def test_ap_acs_5ghz(dev, apdev):
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"""Automatic channel selection on 5 GHz"""
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try:
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hapd = None
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force_prev_ap_on_5g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['hw_mode'] = 'a'
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params['channel'] = '0'
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params['country_code'] = 'US'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 5000:
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raise Exception("Unexpected frequency")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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dev[0].wait_regdom(country_ie=True)
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finally:
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clear_regdom(hapd, dev)
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def test_ap_acs_5ghz_40mhz(dev, apdev):
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"""Automatic channel selection on 5 GHz for 40 MHz channel"""
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try:
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hapd = None
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force_prev_ap_on_5g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['hw_mode'] = 'a'
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params['channel'] = '0'
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params['ht_capab'] = '[HT40+]'
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params['country_code'] = 'US'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 5000:
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raise Exception("Unexpected frequency")
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sec = hapd.get_status_field("secondary_channel")
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if int(sec) == 0:
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raise Exception("Secondary channel not set")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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dev[0].wait_regdom(country_ie=True)
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finally:
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clear_regdom(hapd, dev)
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def test_ap_acs_vht(dev, apdev):
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"""Automatic channel selection for VHT"""
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try:
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hapd = None
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force_prev_ap_on_5g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['hw_mode'] = 'a'
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params['channel'] = '0'
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params['ht_capab'] = '[HT40+]'
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params['country_code'] = 'US'
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params['ieee80211ac'] = '1'
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params['vht_oper_chwidth'] = '1'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 5000:
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raise Exception("Unexpected frequency")
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sec = hapd.get_status_field("secondary_channel")
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if int(sec) == 0:
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raise Exception("Secondary channel not set")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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dev[0].wait_regdom(country_ie=True)
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finally:
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clear_regdom(hapd, dev)
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def test_ap_acs_vht40(dev, apdev):
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"""Automatic channel selection for VHT40"""
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try:
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hapd = None
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force_prev_ap_on_5g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['hw_mode'] = 'a'
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params['channel'] = '0'
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params['ht_capab'] = '[HT40+]'
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params['country_code'] = 'US'
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params['ieee80211ac'] = '1'
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params['vht_oper_chwidth'] = '0'
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params['acs_num_scans'] = '1'
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params['chanlist'] = '36 149'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 5000:
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raise Exception("Unexpected frequency")
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sec = hapd.get_status_field("secondary_channel")
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if int(sec) == 0:
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raise Exception("Secondary channel not set")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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dev[0].wait_regdom(country_ie=True)
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finally:
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clear_regdom(hapd, dev)
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def test_ap_acs_vht160(dev, apdev):
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"""Automatic channel selection for VHT160"""
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try:
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hapd = None
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force_prev_ap_on_5g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['hw_mode'] = 'a'
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params['channel'] = '0'
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params['ht_capab'] = '[HT40+]'
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params['country_code'] = 'ZA'
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params['ieee80211ac'] = '1'
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params['vht_oper_chwidth'] = '2'
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params['ieee80211d'] = '1'
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params['ieee80211h'] = '1'
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params['chanlist'] = '100'
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params['acs_num_scans'] = '1'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=10)
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if not ev:
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raise Exception("ACS start timed out")
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# VHT160 is not currently supported in hostapd ACS, so do not try to
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# enforce successful AP start.
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if "AP-ENABLED" in ev:
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freq = hapd.get_status_field("freq")
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if int(freq) < 5000:
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raise Exception("Unexpected frequency")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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dev[0].wait_regdom(country_ie=True)
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finally:
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clear_regdom(hapd, dev)
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def test_ap_acs_vht160_scan_disable(dev, apdev):
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"""Automatic channel selection for VHT160 and DISABLE during scan"""
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force_prev_ap_on_5g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['hw_mode'] = 'a'
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params['channel'] = '0'
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params['ht_capab'] = '[HT40+]'
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params['country_code'] = 'ZA'
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params['ieee80211ac'] = '1'
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params['vht_oper_chwidth'] = '2'
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params["vht_oper_centr_freq_seg0_idx"] = "114"
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params['ieee80211d'] = '1'
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params['ieee80211h'] = '1'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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time.sleep(3)
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clear_regdom(hapd, dev)
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def test_ap_acs_bias(dev, apdev):
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"""Automatic channel selection with bias values"""
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force_prev_ap_on_24g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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params['acs_chan_bias'] = '1:0.8 3:1.2 6:0.7 11:0.8'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 2400:
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raise Exception("Unexpected frequency")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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def test_ap_acs_survey(dev, apdev):
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"""Automatic channel selection using acs_survey parameter"""
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force_prev_ap_on_24g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = 'acs_survey'
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params['acs_num_scans'] = '1'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd)
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freq = hapd.get_status_field("freq")
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if int(freq) < 2400:
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raise Exception("Unexpected frequency")
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dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
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def test_ap_acs_errors(dev, apdev):
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"""Automatic channel selection failures"""
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clear_scan_cache(apdev[0])
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force_prev_ap_on_24g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['channel'] = '0'
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params['acs_num_scans'] = '2'
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params['chanlist'] = '1'
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hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
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with alloc_fail(hapd, 1, "acs_request_scan"):
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected success for ENABLE")
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hapd.dump_monitor()
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with fail_test(hapd, 1, "acs_request_scan"):
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected success for ENABLE")
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hapd.dump_monitor()
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with fail_test(hapd, 1, "acs_scan_complete"):
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hapd.enable()
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ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=10)
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if not ev:
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raise Exception("ACS start timed out")
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hapd.dump_monitor()
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with fail_test(hapd, 1, "acs_request_scan;acs_scan_complete"):
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hapd.enable()
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ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=10)
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if not ev:
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raise Exception("ACS start timed out")
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@long_duration_test
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def test_ap_acs_dfs(dev, apdev):
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"""Automatic channel selection, HT scan, and DFS"""
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try:
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hapd = None
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force_prev_ap_on_5g(apdev[0])
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params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
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params['hw_mode'] = 'a'
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params['channel'] = '0'
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params['ht_capab'] = '[HT40+]'
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params['country_code'] = 'US'
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params['ieee80211d'] = '1'
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params['ieee80211h'] = '1'
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params['acs_num_scans'] = '1'
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params['chanlist'] = '52 56 60 64'
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hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
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wait_acs(hapd, return_after_acs=True)
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wait_dfs_event(hapd, "DFS-CAC-START", 5)
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ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
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if "success=1" not in ev:
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raise Exception("CAC failed")
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ev = hapd.wait_event(["AP-ENABLED"], timeout=5)
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if not ev:
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raise Exception("AP setup timed out")
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state = hapd.get_status_field("state")
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if state != "ENABLED":
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raise Exception("Unexpected interface state")
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freq = int(hapd.get_status_field("freq"))
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if freq not in [5260, 5280, 5300, 5320]:
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raise Exception("Unexpected frequency: %d" % freq)
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dev[0].connect("test-acs", psk="12345678", scan_freq=str(freq))
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dev[0].wait_regdom(country_ie=True)
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finally:
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if hapd:
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hapd.request("DISABLE")
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dev[0].disconnect_and_stop_scan()
|
|
hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
|
|
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
|
|
dev[0].flush_scan_cache()
|
|
|
|
def test_ap_acs_exclude_dfs(dev, apdev, params):
|
|
"""Automatic channel selection, exclude DFS"""
|
|
try:
|
|
hapd = None
|
|
force_prev_ap_on_5g(apdev[0])
|
|
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
|
|
params['hw_mode'] = 'a'
|
|
params['channel'] = '0'
|
|
params['ht_capab'] = '[HT40+]'
|
|
params['country_code'] = 'US'
|
|
params['ieee80211d'] = '1'
|
|
params['ieee80211h'] = '1'
|
|
params['acs_num_scans'] = '1'
|
|
params['acs_exclude_dfs'] = '1'
|
|
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
|
|
wait_acs(hapd)
|
|
|
|
state = hapd.get_status_field("state")
|
|
if state != "ENABLED":
|
|
raise Exception("Unexpected interface state")
|
|
|
|
freq = int(hapd.get_status_field("freq"))
|
|
if freq in [5260, 5280, 5300, 5320,
|
|
5500, 5520, 5540, 5560, 5580, 5600, 5620, 5640, 5660, 5680]:
|
|
raise Exception("Unexpected frequency: %d" % freq)
|
|
|
|
dev[0].connect("test-acs", psk="12345678", scan_freq=str(freq))
|
|
dev[0].wait_regdom(country_ie=True)
|
|
finally:
|
|
if hapd:
|
|
hapd.request("DISABLE")
|
|
dev[0].disconnect_and_stop_scan()
|
|
hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
|
|
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
|
|
dev[0].flush_scan_cache()
|
|
|
|
@long_duration_test
|
|
def test_ap_acs_vht160_dfs(dev, apdev):
|
|
"""Automatic channel selection 160 MHz, HT scan, and DFS"""
|
|
try:
|
|
hapd = None
|
|
force_prev_ap_on_5g(apdev[0])
|
|
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
|
|
params['hw_mode'] = 'a'
|
|
params['channel'] = '0'
|
|
params['ht_capab'] = '[HT40+]'
|
|
params['country_code'] = 'US'
|
|
params['ieee80211ac'] = '1'
|
|
params['vht_oper_chwidth'] = '2'
|
|
params['ieee80211d'] = '1'
|
|
params['ieee80211h'] = '1'
|
|
params['acs_num_scans'] = '1'
|
|
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
|
|
wait_acs(hapd, return_after_acs=True)
|
|
|
|
wait_dfs_event(hapd, "DFS-CAC-START", 5)
|
|
ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
|
|
if "success=1" not in ev:
|
|
raise Exception("CAC failed")
|
|
|
|
ev = hapd.wait_event(["AP-ENABLED"], timeout=5)
|
|
if not ev:
|
|
raise Exception("AP setup timed out")
|
|
|
|
state = hapd.get_status_field("state")
|
|
if state != "ENABLED":
|
|
raise Exception("Unexpected interface state")
|
|
|
|
freq = int(hapd.get_status_field("freq"))
|
|
if freq not in [5180, 5500]:
|
|
raise Exception("Unexpected frequency: %d" % freq)
|
|
|
|
dev[0].connect("test-acs", psk="12345678", scan_freq=str(freq))
|
|
dev[0].wait_regdom(country_ie=True)
|
|
finally:
|
|
if hapd:
|
|
hapd.request("DISABLE")
|
|
dev[0].disconnect_and_stop_scan()
|
|
hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
|
|
dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
|
|
dev[0].flush_scan_cache()
|
|
|
|
def test_ap_acs_hw_mode_any(dev, apdev):
|
|
"""Automatic channel selection with hw_mode=any"""
|
|
force_prev_ap_on_24g(apdev[0])
|
|
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
|
|
params['channel'] = '0'
|
|
params['hw_mode'] = 'any'
|
|
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
|
|
wait_acs(hapd)
|
|
|
|
freq = hapd.get_status_field("freq")
|
|
if int(freq) < 2400:
|
|
raise Exception("Unexpected frequency")
|
|
|
|
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
|
|
|
|
def test_ap_acs_hw_mode_any_5ghz(dev, apdev):
|
|
"""Automatic channel selection with hw_mode=any and 5 GHz"""
|
|
try:
|
|
hapd = None
|
|
force_prev_ap_on_5g(apdev[0])
|
|
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
|
|
params['hw_mode'] = 'any'
|
|
params['channel'] = '0'
|
|
params['country_code'] = 'US'
|
|
params['acs_chan_bias'] = '36:0.7 40:0.7 44:0.7 48:0.7'
|
|
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
|
|
wait_acs(hapd)
|
|
freq = hapd.get_status_field("freq")
|
|
if int(freq) < 5000:
|
|
raise Exception("Unexpected frequency")
|
|
|
|
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
|
|
dev[0].wait_regdom(country_ie=True)
|
|
finally:
|
|
clear_regdom(hapd, dev)
|
|
|
|
def test_ap_acs_with_fallback_to_20(dev, apdev):
|
|
"""Automatic channel selection with fallback to 20 MHz"""
|
|
force_prev_ap_on_24g(apdev[0])
|
|
params = {"ssid": "legacy-20",
|
|
"channel": "7", "ieee80211n": "0"}
|
|
hostapd.add_ap(apdev[1], params)
|
|
params = hostapd.wpa2_params(ssid="test-acs", passphrase="12345678")
|
|
params['channel'] = '0'
|
|
params['acs_chan_bias'] = '6:0.1'
|
|
params['ht_capab'] = '[HT40+]'
|
|
hapd = hostapd.add_ap(apdev[0], params, wait_enabled=False)
|
|
wait_acs(hapd)
|
|
|
|
freq = hapd.get_status_field("freq")
|
|
if int(freq) < 2400:
|
|
raise Exception("Unexpected frequency")
|
|
|
|
dev[0].connect("test-acs", psk="12345678", scan_freq=freq)
|
|
sig = dev[0].request("SIGNAL_POLL").splitlines()
|
|
logger.info("SIGNAL_POLL: " + str(sig))
|
|
if "WIDTH=20 MHz" not in sig:
|
|
raise Exception("Station did not report 20 MHz bandwidth")
|