371 lines
13 KiB
Python
371 lines
13 KiB
Python
# Test cases for automatic channel selection with hostapd
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# Copyright (c) 2013-2017, 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 skip_with_fips, alloc_fail, fail_test
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from test_ap_ht import clear_scan_cache
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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):
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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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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_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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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].connect("bss-3", 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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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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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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finally:
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dev[0].request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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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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finally:
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dev[0].request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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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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finally:
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dev[0].request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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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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finally:
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dev[0].request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
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dev[0].flush_scan_cache()
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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["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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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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finally:
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dev[0].request("DISCONNECT")
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if hapd:
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hapd.request("DISABLE")
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hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
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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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hapd.request("DISABLE")
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hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', '00'])
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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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