96425ea502
These test caases depended on a single active scan round finding the AP. It is possible for the Probe Response frame to get delayed sufficiently to miss the response especially when testing under heavy load with multiple parallel VMs. Allow couple of scan retries to avoid reporting failures from these test cases. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
993 lines
40 KiB
Python
993 lines
40 KiB
Python
# Scanning tests
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# Copyright (c) 2013-2015, 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 time
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import logging
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logger = logging.getLogger()
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import os
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import subprocess
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import hostapd
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from wpasupplicant import WpaSupplicant
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from utils import HwsimSkip, fail_test
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from tshark import run_tshark
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def check_scan(dev, params, other_started=False, test_busy=False):
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if not other_started:
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dev.dump_monitor()
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id = dev.request("SCAN " + params)
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if "FAIL" in id:
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raise Exception("Failed to start scan")
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id = int(id)
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if test_busy:
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if "FAIL-BUSY" not in dev.request("SCAN"):
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raise Exception("SCAN command while already scanning not rejected")
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if other_started:
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ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
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if ev is None:
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raise Exception("Other scan did not start")
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if "id=" + str(id) in ev:
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raise Exception("Own scan id unexpectedly included in start event")
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ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
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if ev is None:
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raise Exception("Other scan did not complete")
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if "id=" + str(id) in ev:
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raise Exception("Own scan id unexpectedly included in completed event")
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ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
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if ev is None:
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raise Exception("Scan did not start")
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if "id=" + str(id) not in ev:
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raise Exception("Scan id not included in start event")
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if test_busy:
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if "FAIL-BUSY" not in dev.request("SCAN"):
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raise Exception("SCAN command while already scanning not rejected")
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ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
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if ev is None:
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raise Exception("Scan did not complete")
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if "id=" + str(id) not in ev:
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raise Exception("Scan id not included in completed event")
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def check_scan_retry(dev, params, bssid):
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for i in range(0, 5):
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check_scan(dev, "freq=2412-2462,5180 use_id=1")
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if int(dev.get_bss(bssid)['age']) <= 1:
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return
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raise Exception("Unexpectedly old BSS entry")
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def test_scan(dev, apdev):
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"""Control interface behavior on scan parameters"""
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hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
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bssid = apdev[0]['bssid']
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logger.info("Full scan")
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check_scan(dev[0], "use_id=1", test_busy=True)
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logger.info("Limited channel scan")
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check_scan_retry(dev[0], "freq=2412-2462,5180 use_id=1", bssid)
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# wait long enough to allow next scans to be verified not to find the AP
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time.sleep(2)
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logger.info("Passive single-channel scan")
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check_scan(dev[0], "freq=2457 passive=1 use_id=1")
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logger.info("Active single-channel scan")
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check_scan(dev[0], "freq=2452 passive=0 use_id=1")
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if int(dev[0].get_bss(bssid)['age']) < 2:
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raise Exception("Unexpectedly updated BSS entry")
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logger.info("Active single-channel scan on AP's operating channel")
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check_scan_retry(dev[0], "freq=2412 passive=0 use_id=1", bssid)
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def test_scan_tsf(dev, apdev):
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"""Scan and TSF updates from Beacon/Probe Response frames"""
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hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan",
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'beacon_int': "100" })
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bssid = apdev[0]['bssid']
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tsf = []
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for passive in [ 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1 ]:
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check_scan(dev[0], "freq=2412 passive=%d use_id=1" % passive)
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bss = dev[0].get_bss(bssid)
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if bss:
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tsf.append(int(bss['tsf']))
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logger.info("TSF: " + bss['tsf'])
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if tsf[-3] <= tsf[-4]:
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# For now, only write this in the log without failing the test case
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# since mac80211_hwsim does not yet update the Timestamp field in
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# Probe Response frames.
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logger.info("Probe Response did not update TSF")
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#raise Exception("Probe Response did not update TSF")
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if tsf[-1] <= tsf[-3]:
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raise Exception("Beacon did not update TSF")
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if 0 in tsf:
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raise Exception("0 TSF reported")
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def test_scan_only(dev, apdev):
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"""Control interface behavior on scan parameters with type=only"""
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hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
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bssid = apdev[0]['bssid']
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logger.info("Full scan")
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check_scan(dev[0], "type=only use_id=1")
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logger.info("Limited channel scan")
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check_scan_retry(dev[0], "type=only freq=2412-2462,5180 use_id=1", bssid)
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# wait long enough to allow next scans to be verified not to find the AP
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time.sleep(2)
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logger.info("Passive single-channel scan")
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check_scan(dev[0], "type=only freq=2457 passive=1 use_id=1")
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logger.info("Active single-channel scan")
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check_scan(dev[0], "type=only freq=2452 passive=0 use_id=1")
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if int(dev[0].get_bss(bssid)['age']) < 2:
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raise Exception("Unexpectedly updated BSS entry")
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logger.info("Active single-channel scan on AP's operating channel")
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check_scan_retry(dev[0], "type=only freq=2412 passive=0 use_id=1", bssid)
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def test_scan_external_trigger(dev, apdev):
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"""Avoid operations during externally triggered scan"""
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hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
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bssid = apdev[0]['bssid']
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subprocess.call(['iw', dev[0].ifname, 'scan', 'trigger'])
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check_scan(dev[0], "use_id=1", other_started=True)
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def test_scan_bss_expiration_count(dev, apdev):
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"""BSS entry expiration based on scan results without match"""
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if "FAIL" not in dev[0].request("BSS_EXPIRE_COUNT 0"):
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raise Exception("Invalid BSS_EXPIRE_COUNT accepted")
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if "OK" not in dev[0].request("BSS_EXPIRE_COUNT 2"):
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raise Exception("BSS_EXPIRE_COUNT failed")
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hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
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bssid = apdev[0]['bssid']
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dev[0].scan(freq="2412", only_new=True)
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if bssid not in dev[0].request("SCAN_RESULTS"):
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raise Exception("BSS not found in initial scan")
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hapd.request("DISABLE")
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dev[0].scan(freq="2412", only_new=True)
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if bssid not in dev[0].request("SCAN_RESULTS"):
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raise Exception("BSS not found in first scan without match")
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dev[0].scan(freq="2412", only_new=True)
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if bssid in dev[0].request("SCAN_RESULTS"):
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raise Exception("BSS found after two scans without match")
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def test_scan_bss_expiration_age(dev, apdev):
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"""BSS entry expiration based on age"""
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try:
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if "FAIL" not in dev[0].request("BSS_EXPIRE_AGE COUNT 9"):
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raise Exception("Invalid BSS_EXPIRE_AGE accepted")
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if "OK" not in dev[0].request("BSS_EXPIRE_AGE 10"):
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raise Exception("BSS_EXPIRE_AGE failed")
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hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
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bssid = apdev[0]['bssid']
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# Allow couple more retries to avoid reporting errors during heavy load
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for i in range(5):
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dev[0].scan(freq="2412")
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if bssid in dev[0].request("SCAN_RESULTS"):
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break
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if bssid not in dev[0].request("SCAN_RESULTS"):
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raise Exception("BSS not found in initial scan")
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hapd.request("DISABLE")
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logger.info("Waiting for BSS entry to expire")
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time.sleep(7)
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if bssid not in dev[0].request("SCAN_RESULTS"):
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raise Exception("BSS expired too quickly")
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ev = dev[0].wait_event(["CTRL-EVENT-BSS-REMOVED"], timeout=15)
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if ev is None:
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raise Exception("BSS entry expiration timed out")
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if bssid in dev[0].request("SCAN_RESULTS"):
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raise Exception("BSS not removed after expiration time")
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finally:
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dev[0].request("BSS_EXPIRE_AGE 180")
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def test_scan_filter(dev, apdev):
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"""Filter scan results based on SSID"""
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try:
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if "OK" not in dev[0].request("SET filter_ssids 1"):
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raise Exception("SET failed")
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id = dev[0].connect("test-scan", key_mgmt="NONE", only_add_network=True)
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hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
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bssid = apdev[0]['bssid']
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hostapd.add_ap(apdev[1]['ifname'], { "ssid": "test-scan2" })
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bssid2 = apdev[1]['bssid']
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dev[0].scan(freq="2412", only_new=True)
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if bssid not in dev[0].request("SCAN_RESULTS"):
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raise Exception("BSS not found in scan results")
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if bssid2 in dev[0].request("SCAN_RESULTS"):
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raise Exception("Unexpected BSS found in scan results")
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dev[0].set_network_quoted(id, "ssid", "")
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dev[0].scan(freq="2412")
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id2 = dev[0].connect("test", key_mgmt="NONE", only_add_network=True)
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dev[0].scan(freq="2412")
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finally:
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dev[0].request("SET filter_ssids 0")
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def test_scan_int(dev, apdev):
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"""scan interval configuration"""
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try:
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if "FAIL" not in dev[0].request("SCAN_INTERVAL -1"):
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raise Exception("Accepted invalid scan interval")
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if "OK" not in dev[0].request("SCAN_INTERVAL 1"):
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raise Exception("Failed to set scan interval")
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dev[0].connect("not-used", key_mgmt="NONE", scan_freq="2412",
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wait_connect=False)
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times = {}
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for i in range(0, 3):
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logger.info("Waiting for scan to start")
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start = os.times()[4]
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=5)
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if ev is None:
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raise Exception("did not start a scan")
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stop = os.times()[4]
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times[i] = stop - start
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logger.info("Waiting for scan to complete")
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
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if ev is None:
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raise Exception("did not complete a scan")
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logger.info("times=" + str(times))
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if times[0] > 1 or times[1] < 0.5 or times[1] > 1.5 or times[2] < 0.5 or times[2] > 1.5:
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raise Exception("Unexpected scan timing: " + str(times))
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finally:
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dev[0].request("SCAN_INTERVAL 5")
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def test_scan_bss_operations(dev, apdev):
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"""Control interface behavior on BSS parameters"""
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hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
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bssid = apdev[0]['bssid']
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hostapd.add_ap(apdev[1]['ifname'], { "ssid": "test2-scan" })
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bssid2 = apdev[1]['bssid']
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dev[0].scan(freq="2412")
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dev[0].scan(freq="2412")
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dev[0].scan(freq="2412")
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id1 = dev[0].request("BSS FIRST MASK=0x1").splitlines()[0].split('=')[1]
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id2 = dev[0].request("BSS LAST MASK=0x1").splitlines()[0].split('=')[1]
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res = dev[0].request("BSS RANGE=ALL MASK=0x20001")
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if "id=" + id1 not in res:
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raise Exception("Missing BSS " + id1)
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if "id=" + id2 not in res:
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raise Exception("Missing BSS " + id2)
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if "====" not in res:
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raise Exception("Missing delim")
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if "####" not in res:
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raise Exception("Missing end")
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res = dev[0].request("BSS RANGE=ALL MASK=0")
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if "id=" + id1 not in res:
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raise Exception("Missing BSS " + id1)
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if "id=" + id2 not in res:
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raise Exception("Missing BSS " + id2)
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if "====" in res:
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raise Exception("Unexpected delim")
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if "####" in res:
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raise Exception("Unexpected end delim")
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res = dev[0].request("BSS RANGE=ALL MASK=0x1").splitlines()
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if len(res) != 2:
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raise Exception("Unexpected result: " + str(res))
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res = dev[0].request("BSS FIRST MASK=0x1")
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if "id=" + id1 not in res:
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raise Exception("Unexpected result: " + res)
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res = dev[0].request("BSS LAST MASK=0x1")
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if "id=" + id2 not in res:
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raise Exception("Unexpected result: " + res)
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res = dev[0].request("BSS ID-" + id1 + " MASK=0x1")
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if "id=" + id1 not in res:
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raise Exception("Unexpected result: " + res)
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res = dev[0].request("BSS NEXT-" + id1 + " MASK=0x1")
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if "id=" + id2 not in res:
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raise Exception("Unexpected result: " + res)
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res = dev[0].request("BSS NEXT-" + id2 + " MASK=0x1")
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if "id=" in res:
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raise Exception("Unexpected result: " + res)
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if len(dev[0].request("BSS RANGE=" + id2 + " MASK=0x1").splitlines()) != 0:
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raise Exception("Unexpected RANGE=1 result")
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if len(dev[0].request("BSS RANGE=" + id1 + "- MASK=0x1").splitlines()) != 2:
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raise Exception("Unexpected RANGE=0- result")
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if len(dev[0].request("BSS RANGE=-" + id2 + " MASK=0x1").splitlines()) != 2:
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raise Exception("Unexpected RANGE=-1 result")
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if len(dev[0].request("BSS RANGE=" + id1 + "-" + id2 + " MASK=0x1").splitlines()) != 2:
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raise Exception("Unexpected RANGE=0-1 result")
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if len(dev[0].request("BSS RANGE=" + id2 + "-" + id2 + " MASK=0x1").splitlines()) != 1:
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raise Exception("Unexpected RANGE=1-1 result")
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if len(dev[0].request("BSS RANGE=" + str(int(id2) + 1) + "-" + str(int(id2) + 10) + " MASK=0x1").splitlines()) != 0:
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raise Exception("Unexpected RANGE=2-10 result")
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if len(dev[0].request("BSS RANGE=0-" + str(int(id2) + 10) + " MASK=0x1").splitlines()) != 2:
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raise Exception("Unexpected RANGE=0-10 result")
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if len(dev[0].request("BSS RANGE=" + id1 + "-" + id1 + " MASK=0x1").splitlines()) != 1:
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raise Exception("Unexpected RANGE=0-0 result")
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res = dev[0].request("BSS p2p_dev_addr=FOO")
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if "FAIL" in res or "id=" in res:
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raise Exception("Unexpected result: " + res)
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res = dev[0].request("BSS p2p_dev_addr=00:11:22:33:44:55")
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if "FAIL" in res or "id=" in res:
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raise Exception("Unexpected result: " + res)
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dev[0].request("BSS_FLUSH 1000")
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res = dev[0].request("BSS RANGE=ALL MASK=0x1").splitlines()
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if len(res) != 2:
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raise Exception("Unexpected result after BSS_FLUSH 1000")
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dev[0].request("BSS_FLUSH 0")
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res = dev[0].request("BSS RANGE=ALL MASK=0x1").splitlines()
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if len(res) != 0:
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raise Exception("Unexpected result after BSS_FLUSH 0")
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def test_scan_and_interface_disabled(dev, apdev):
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"""Scan operation when interface gets disabled"""
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try:
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dev[0].request("SCAN")
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"])
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if ev is None:
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raise Exception("Scan did not start")
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dev[0].request("DRIVER_EVENT INTERFACE_DISABLED")
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=7)
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if ev is not None:
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raise Exception("Scan completed unexpectedly")
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# verify that scan is rejected
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if "FAIL" not in dev[0].request("SCAN"):
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raise Exception("New scan request was accepted unexpectedly")
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dev[0].request("DRIVER_EVENT INTERFACE_ENABLED")
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dev[0].scan(freq="2412")
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finally:
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dev[0].request("DRIVER_EVENT INTERFACE_ENABLED")
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def test_scan_for_auth(dev, apdev):
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"""cfg80211 workaround with scan-for-auth"""
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hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" })
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dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412")
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# Block sme-connect radio work with an external radio work item, so that
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# SELECT_NETWORK can decide to use fast associate without a new scan while
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# cfg80211 still has the matching BSS entry, but the actual connection is
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# not yet started.
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id = dev[0].request("RADIO_WORK add block-work")
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ev = dev[0].wait_event(["EXT-RADIO-WORK-START"])
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if ev is None:
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raise Exception("Timeout while waiting radio work to start")
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
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wait_connect=False)
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dev[0].dump_monitor()
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# Clear cfg80211 BSS table.
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try:
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subprocess.check_call(['iw', dev[0].ifname, 'scan', 'trigger',
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'freq', '2457', 'flush'])
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except subprocess.CalledProcessError, e:
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raise HwsimSkip("iw scan trigger flush not supported")
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
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if ev is None:
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raise Exception("External flush scan timed out")
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# Release blocking radio work to allow connection to go through with the
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# cfg80211 BSS entry missing.
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dev[0].request("RADIO_WORK done " + id)
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dev[0].wait_connected(timeout=15)
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def test_scan_for_auth_fail(dev, apdev):
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"""cfg80211 workaround with scan-for-auth failing"""
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hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" })
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dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412")
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# Block sme-connect radio work with an external radio work item, so that
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# SELECT_NETWORK can decide to use fast associate without a new scan while
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# cfg80211 still has the matching BSS entry, but the actual connection is
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# not yet started.
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id = dev[0].request("RADIO_WORK add block-work")
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ev = dev[0].wait_event(["EXT-RADIO-WORK-START"])
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if ev is None:
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raise Exception("Timeout while waiting radio work to start")
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
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wait_connect=False)
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dev[0].dump_monitor()
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hapd.disable()
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# Clear cfg80211 BSS table.
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try:
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subprocess.check_call(['iw', dev[0].ifname, 'scan', 'trigger',
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'freq', '2457', 'flush'])
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except subprocess.CalledProcessError, e:
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raise HwsimSkip("iw scan trigger flush not supported")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
|
|
if ev is None:
|
|
raise Exception("External flush scan timed out")
|
|
# Release blocking radio work to allow connection to go through with the
|
|
# cfg80211 BSS entry missing.
|
|
dev[0].request("RADIO_WORK done " + id)
|
|
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS",
|
|
"CTRL-EVENT-CONNECTED"], 15)
|
|
if ev is None:
|
|
raise Exception("Scan event missing")
|
|
if "CTRL-EVENT-CONNECTED" in ev:
|
|
raise Exception("Unexpected connection")
|
|
dev[0].request("DISCONNECT")
|
|
|
|
def test_scan_for_auth_wep(dev, apdev):
|
|
"""cfg80211 scan-for-auth workaround with WEP keys"""
|
|
dev[0].flush_scan_cache()
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'],
|
|
{ "ssid": "wep", "wep_key0": '"abcde"',
|
|
"auth_algs": "2" })
|
|
dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412")
|
|
# Block sme-connect radio work with an external radio work item, so that
|
|
# SELECT_NETWORK can decide to use fast associate without a new scan while
|
|
# cfg80211 still has the matching BSS entry, but the actual connection is
|
|
# not yet started.
|
|
id = dev[0].request("RADIO_WORK add block-work")
|
|
ev = dev[0].wait_event(["EXT-RADIO-WORK-START"])
|
|
if ev is None:
|
|
raise Exception("Timeout while waiting radio work to start")
|
|
dev[0].connect("wep", key_mgmt="NONE", wep_key0='"abcde"',
|
|
auth_alg="SHARED", scan_freq="2412", wait_connect=False)
|
|
dev[0].dump_monitor()
|
|
# Clear cfg80211 BSS table.
|
|
try:
|
|
subprocess.check_call(['iw', dev[0].ifname, 'scan', 'trigger',
|
|
'freq', '2457', 'flush'])
|
|
except subprocess.CalledProcessError, e:
|
|
raise HwsimSkip("iw scan trigger flush not supported")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
|
|
if ev is None:
|
|
raise Exception("External flush scan timed out")
|
|
# Release blocking radio work to allow connection to go through with the
|
|
# cfg80211 BSS entry missing.
|
|
dev[0].request("RADIO_WORK done " + id)
|
|
|
|
dev[0].wait_connected(timeout=15)
|
|
|
|
def test_scan_hidden(dev, apdev):
|
|
"""Control interface behavior on scan parameters"""
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan",
|
|
"ignore_broadcast_ssid": "1" })
|
|
bssid = apdev[0]['bssid']
|
|
|
|
check_scan(dev[0], "freq=2412 use_id=1")
|
|
if "test-scan" in dev[0].request("SCAN_RESULTS"):
|
|
raise Exception("BSS unexpectedly found in initial scan")
|
|
|
|
id1 = dev[0].connect("foo", key_mgmt="NONE", scan_ssid="1",
|
|
only_add_network=True)
|
|
id2 = dev[0].connect("test-scan", key_mgmt="NONE", scan_ssid="1",
|
|
only_add_network=True)
|
|
id3 = dev[0].connect("bar", key_mgmt="NONE", only_add_network=True)
|
|
|
|
check_scan(dev[0], "freq=2412 use_id=1")
|
|
if "test-scan" in dev[0].request("SCAN_RESULTS"):
|
|
raise Exception("BSS unexpectedly found in scan")
|
|
|
|
# Allow multiple attempts to be more robust under heavy CPU load that can
|
|
# result in Probe Response frames getting sent only after the station has
|
|
# already stopped waiting for the response on the channel.
|
|
found = False
|
|
for i in range(10):
|
|
check_scan(dev[0], "scan_id=%d,%d,%d freq=2412 use_id=1" % (id1, id2, id3))
|
|
if "test-scan" in dev[0].request("SCAN_RESULTS"):
|
|
found = True
|
|
break
|
|
if not found:
|
|
raise Exception("BSS not found in scan")
|
|
|
|
if "FAIL" not in dev[0].request("SCAN scan_id=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17"):
|
|
raise Exception("Too many scan_id values accepted")
|
|
|
|
dev[0].request("REMOVE_NETWORK all")
|
|
hapd.disable()
|
|
dev[0].flush_scan_cache(freq=2432)
|
|
dev[0].flush_scan_cache()
|
|
|
|
def test_scan_and_bss_entry_removed(dev, apdev):
|
|
"""Last scan result and connect work processing on BSS entry update"""
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open",
|
|
"eap_server": "1",
|
|
"wps_state": "2" })
|
|
bssid = apdev[0]['bssid']
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
|
|
|
|
# Add a BSS entry
|
|
dev[0].scan_for_bss(bssid, freq="2412")
|
|
wpas.scan_for_bss(bssid, freq="2412")
|
|
|
|
# Start a connect radio work with a blocking entry preventing this from
|
|
# proceeding; this stores a pointer to the selected BSS entry.
|
|
id = dev[0].request("RADIO_WORK add block-work")
|
|
w_id = wpas.request("RADIO_WORK add block-work")
|
|
dev[0].wait_event(["EXT-RADIO-WORK-START"], timeout=1)
|
|
wpas.wait_event(["EXT-RADIO-WORK-START"], timeout=1)
|
|
nid = dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
wait_connect=False)
|
|
w_nid = wpas.connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
wait_connect=False)
|
|
time.sleep(0.1)
|
|
|
|
# Remove the BSS entry
|
|
dev[0].request("BSS_FLUSH 0")
|
|
wpas.request("BSS_FLUSH 0")
|
|
|
|
# Allow the connect radio work to continue. The bss entry stored in the
|
|
# pending connect work is now stale. This will result in the connection
|
|
# attempt failing since the BSS entry does not exist.
|
|
dev[0].request("RADIO_WORK done " + id)
|
|
wpas.request("RADIO_WORK done " + w_id)
|
|
|
|
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected connection")
|
|
dev[0].remove_network(nid)
|
|
ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected connection")
|
|
wpas.remove_network(w_nid)
|
|
time.sleep(0.5)
|
|
dev[0].request("BSS_FLUSH 0")
|
|
wpas.request("BSS_FLUSH 0")
|
|
|
|
# Add a BSS entry
|
|
dev[0].scan_for_bss(bssid, freq="2412")
|
|
wpas.scan_for_bss(bssid, freq="2412")
|
|
|
|
# Start a connect radio work with a blocking entry preventing this from
|
|
# proceeding; this stores a pointer to the selected BSS entry.
|
|
id = dev[0].request("RADIO_WORK add block-work")
|
|
w_id = wpas.request("RADIO_WORK add block-work")
|
|
dev[0].wait_event(["EXT-RADIO-WORK-START"], timeout=1)
|
|
wpas.wait_event(["EXT-RADIO-WORK-START"], timeout=1)
|
|
|
|
# Schedule a connection based on the current BSS entry.
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
wait_connect=False)
|
|
wpas.connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
wait_connect=False)
|
|
|
|
# Update scan results with results that have longer set of IEs so that new
|
|
# memory needs to be allocated for the BSS entry.
|
|
hapd.request("WPS_PBC")
|
|
time.sleep(0.1)
|
|
subprocess.call(['iw', dev[0].ifname, 'scan', 'trigger', 'freq', '2412'])
|
|
subprocess.call(['iw', wpas.ifname, 'scan', 'trigger', 'freq', '2412'])
|
|
time.sleep(0.1)
|
|
|
|
# Allow the connect radio work to continue. The bss entry stored in the
|
|
# pending connect work becomes stale during the scan and it must have been
|
|
# updated for the connection to work.
|
|
dev[0].request("RADIO_WORK done " + id)
|
|
wpas.request("RADIO_WORK done " + w_id)
|
|
|
|
dev[0].wait_connected(timeout=15, error="No connection (sme-connect)")
|
|
wpas.wait_connected(timeout=15, error="No connection (connect)")
|
|
dev[0].request("DISCONNECT")
|
|
wpas.request("DISCONNECT")
|
|
dev[0].flush_scan_cache()
|
|
wpas.flush_scan_cache()
|
|
|
|
def test_scan_reqs_with_non_scan_radio_work(dev, apdev):
|
|
"""SCAN commands while non-scan radio_work is in progress"""
|
|
id = dev[0].request("RADIO_WORK add test-work-a")
|
|
ev = dev[0].wait_event(["EXT-RADIO-WORK-START"])
|
|
if ev is None:
|
|
raise Exception("Timeout while waiting radio work to start")
|
|
|
|
if "OK" not in dev[0].request("SCAN"):
|
|
raise Exception("SCAN failed")
|
|
if "FAIL-BUSY" not in dev[0].request("SCAN"):
|
|
raise Exception("SCAN accepted while one is already pending")
|
|
if "FAIL-BUSY" not in dev[0].request("SCAN"):
|
|
raise Exception("SCAN accepted while one is already pending")
|
|
|
|
res = dev[0].request("RADIO_WORK show").splitlines()
|
|
count = 0
|
|
for l in res:
|
|
if "scan" in l:
|
|
count += 1
|
|
if count != 1:
|
|
logger.info(res)
|
|
raise Exception("Unexpected number of scan radio work items")
|
|
|
|
dev[0].dump_monitor()
|
|
dev[0].request("RADIO_WORK done " + id)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("Scan did not start")
|
|
if "FAIL-BUSY" not in dev[0].request("SCAN"):
|
|
raise Exception("SCAN accepted while one is already in progress")
|
|
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=10)
|
|
if ev is None:
|
|
print "Scan did not complete"
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=0.2)
|
|
if ev is not None:
|
|
raise Exception("Unexpected scan started")
|
|
|
|
def test_scan_setband(dev, apdev):
|
|
"""Band selection for scan operations"""
|
|
try:
|
|
hapd = None
|
|
hapd2 = None
|
|
params = { "ssid": "test-setband",
|
|
"hw_mode": "a",
|
|
"channel": "36",
|
|
"country_code": "US" }
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
|
|
bssid = apdev[0]['bssid']
|
|
|
|
params = { "ssid": "test-setband",
|
|
"hw_mode": "g",
|
|
"channel": "1" }
|
|
hapd2 = hostapd.add_ap(apdev[1]['ifname'], params)
|
|
bssid2 = apdev[1]['bssid']
|
|
|
|
if "FAIL" not in dev[0].request("SET setband FOO"):
|
|
raise Exception("Invalid set setband accepted")
|
|
if "OK" not in dev[0].request("SET setband AUTO"):
|
|
raise Exception("Failed to set setband")
|
|
if "OK" not in dev[1].request("SET setband 5G"):
|
|
raise Exception("Failed to set setband")
|
|
if "OK" not in dev[2].request("SET setband 2G"):
|
|
raise Exception("Failed to set setband")
|
|
|
|
# Allow a retry to avoid reporting errors during heavy load
|
|
for j in range(5):
|
|
for i in range(3):
|
|
dev[i].request("SCAN only_new=1")
|
|
|
|
for i in range(3):
|
|
ev = dev[i].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 15)
|
|
if ev is None:
|
|
raise Exception("Scan timed out")
|
|
|
|
res0 = dev[0].request("SCAN_RESULTS")
|
|
res1 = dev[1].request("SCAN_RESULTS")
|
|
res2 = dev[2].request("SCAN_RESULTS")
|
|
if bssid in res0 and bssid2 in res0 and bssid in res1 and bssid2 in res2:
|
|
break
|
|
|
|
res = dev[0].request("SCAN_RESULTS")
|
|
if bssid not in res or bssid2 not in res:
|
|
raise Exception("Missing scan result(0)")
|
|
|
|
res = dev[1].request("SCAN_RESULTS")
|
|
if bssid not in res:
|
|
raise Exception("Missing scan result(1)")
|
|
if bssid2 in res:
|
|
raise Exception("Unexpected scan result(1)")
|
|
|
|
res = dev[2].request("SCAN_RESULTS")
|
|
if bssid2 not in res:
|
|
raise Exception("Missing scan result(2)")
|
|
if bssid in res:
|
|
raise Exception("Unexpected scan result(2)")
|
|
finally:
|
|
if hapd:
|
|
hapd.request("DISABLE")
|
|
if hapd2:
|
|
hapd2.request("DISABLE")
|
|
subprocess.call(['iw', 'reg', 'set', '00'])
|
|
for i in range(3):
|
|
dev[i].request("SET setband AUTO")
|
|
dev[i].flush_scan_cache()
|
|
|
|
def test_scan_hidden_many(dev, apdev):
|
|
"""scan_ssid=1 with large number of profile with hidden SSID"""
|
|
try:
|
|
_test_scan_hidden_many(dev, apdev)
|
|
finally:
|
|
dev[0].flush_scan_cache(freq=2432)
|
|
dev[0].flush_scan_cache()
|
|
dev[0].request("SCAN_INTERVAL 5")
|
|
|
|
def _test_scan_hidden_many(dev, apdev):
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan-ssid",
|
|
"ignore_broadcast_ssid": "1" })
|
|
bssid = apdev[0]['bssid']
|
|
|
|
dev[0].request("SCAN_INTERVAL 1")
|
|
|
|
for i in range(5):
|
|
id = dev[0].add_network()
|
|
dev[0].set_network_quoted(id, "ssid", "foo")
|
|
dev[0].set_network(id, "key_mgmt", "NONE")
|
|
dev[0].set_network(id, "disabled", "0")
|
|
dev[0].set_network(id, "scan_freq", "2412")
|
|
dev[0].set_network(id, "scan_ssid", "1")
|
|
|
|
dev[0].set_network_quoted(id, "ssid", "test-scan-ssid")
|
|
dev[0].set_network(id, "key_mgmt", "NONE")
|
|
dev[0].set_network(id, "disabled", "0")
|
|
dev[0].set_network(id, "scan_freq", "2412")
|
|
dev[0].set_network(id, "scan_ssid", "1")
|
|
|
|
for i in range(5):
|
|
id = dev[0].add_network()
|
|
dev[0].set_network_quoted(id, "ssid", "foo")
|
|
dev[0].set_network(id, "key_mgmt", "NONE")
|
|
dev[0].set_network(id, "disabled", "0")
|
|
dev[0].set_network(id, "scan_freq", "2412")
|
|
dev[0].set_network(id, "scan_ssid", "1")
|
|
|
|
dev[0].request("REASSOCIATE")
|
|
dev[0].wait_connected(timeout=30)
|
|
dev[0].request("REMOVE_NETWORK all")
|
|
hapd.disable()
|
|
|
|
def test_scan_random_mac(dev, apdev, params):
|
|
"""Random MAC address in scans"""
|
|
try:
|
|
_test_scan_random_mac(dev, apdev, params)
|
|
finally:
|
|
dev[0].request("MAC_RAND_SCAN all enable=0")
|
|
|
|
def _test_scan_random_mac(dev, apdev, params):
|
|
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
|
|
bssid = apdev[0]['bssid']
|
|
|
|
tests = [ "",
|
|
"addr=foo",
|
|
"mask=foo",
|
|
"enable=1",
|
|
"all enable=1 mask=00:11:22:33:44:55",
|
|
"all enable=1 addr=00:11:22:33:44:55",
|
|
"all enable=1 addr=01:11:22:33:44:55 mask=ff:ff:ff:ff:ff:ff",
|
|
"all enable=1 addr=00:11:22:33:44:55 mask=fe:ff:ff:ff:ff:ff",
|
|
"enable=2 scan sched pno all",
|
|
"pno enable=1",
|
|
"all enable=2",
|
|
"foo" ]
|
|
for args in tests:
|
|
if "FAIL" not in dev[0].request("MAC_RAND_SCAN " + args):
|
|
raise Exception("Invalid MAC_RAND_SCAN accepted: " + args)
|
|
|
|
if dev[0].get_driver_status_field('capa.mac_addr_rand_scan_supported') != '1':
|
|
raise HwsimSkip("Driver does not support random MAC address for scanning")
|
|
|
|
tests = [ "all enable=1",
|
|
"all enable=1 addr=f2:11:22:33:44:55 mask=ff:ff:ff:ff:ff:ff",
|
|
"all enable=1 addr=f2:11:33:00:00:00 mask=ff:ff:ff:00:00:00" ]
|
|
for args in tests:
|
|
dev[0].request("MAC_RAND_SCAN " + args)
|
|
dev[0].scan_for_bss(bssid, freq=2412, force_scan=True)
|
|
|
|
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
|
|
"wlan.fc.type_subtype == 4", ["wlan.ta" ])
|
|
if out is not None:
|
|
addr = out.splitlines()
|
|
logger.info("Probe Request frames seen from: " + str(addr))
|
|
if dev[0].own_addr() in addr:
|
|
raise Exception("Real address used to transmit Probe Request frame")
|
|
if "f2:11:22:33:44:55" not in addr:
|
|
raise Exception("Fully configured random address not seen")
|
|
found = False
|
|
for a in addr:
|
|
if a.startswith('f2:11:33'):
|
|
found = True
|
|
break
|
|
if not found:
|
|
raise Exception("Fixed OUI random address not seen")
|
|
|
|
def test_scan_trigger_failure(dev, apdev):
|
|
"""Scan trigger to the driver failing"""
|
|
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
|
|
bssid = apdev[0]['bssid']
|
|
|
|
if "OK" not in dev[0].request("SET test_failure 1"):
|
|
raise Exception("Failed to set test_failure")
|
|
|
|
if "OK" not in dev[0].request("SCAN"):
|
|
raise Exception("SCAN command failed")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-FAILED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Did not receive CTRL-EVENT-SCAN-FAILED event")
|
|
if "retry=1" in ev:
|
|
raise Exception("Unexpected scan retry indicated")
|
|
if dev[0].get_status_field('wpa_state') == "SCANNING":
|
|
raise Exception("wpa_state SCANNING not cleared")
|
|
|
|
id = dev[0].connect("test-scan", key_mgmt="NONE", scan_freq="2412",
|
|
only_add_network=True)
|
|
dev[0].select_network(id)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-FAILED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Did not receive CTRL-EVENT-SCAN-FAILED event")
|
|
if "retry=1" not in ev:
|
|
raise Exception("No scan retry indicated for connection")
|
|
if dev[0].get_status_field('wpa_state') == "SCANNING":
|
|
raise Exception("wpa_state SCANNING not cleared")
|
|
dev[0].request("SET test_failure 0")
|
|
dev[0].wait_connected()
|
|
|
|
dev[0].request("SET test_failure 1")
|
|
if "OK" not in dev[0].request("SCAN"):
|
|
raise Exception("SCAN command failed")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-FAILED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Did not receive CTRL-EVENT-SCAN-FAILED event")
|
|
if "retry=1" in ev:
|
|
raise Exception("Unexpected scan retry indicated")
|
|
if dev[0].get_status_field('wpa_state') != "COMPLETED":
|
|
raise Exception("wpa_state COMPLETED not restored")
|
|
dev[0].request("SET test_failure 0")
|
|
|
|
def test_scan_specify_ssid(dev, apdev):
|
|
"""Control interface behavior on scan SSID parameter"""
|
|
dev[0].flush_scan_cache()
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-hidden",
|
|
"ignore_broadcast_ssid": "1" })
|
|
bssid = apdev[0]['bssid']
|
|
check_scan(dev[0], "freq=2412 use_id=1 ssid 414243")
|
|
bss = dev[0].get_bss(bssid)
|
|
if bss is not None and bss['ssid'] == 'test-hidden':
|
|
raise Exception("BSS entry for hidden AP present unexpectedly")
|
|
# Allow couple more retries to avoid reporting errors during heavy load
|
|
for i in range(5):
|
|
check_scan(dev[0], "freq=2412 ssid 414243 ssid 746573742d68696464656e ssid 616263313233 use_id=1")
|
|
bss = dev[0].get_bss(bssid)
|
|
if bss and 'test-hidden' in dev[0].request("SCAN_RESULTS"):
|
|
break
|
|
if bss is None:
|
|
raise Exception("BSS entry for hidden AP not found")
|
|
if 'test-hidden' not in dev[0].request("SCAN_RESULTS"):
|
|
raise Exception("Expected SSID not included in the scan results");
|
|
|
|
hapd.disable()
|
|
dev[0].flush_scan_cache(freq=2432)
|
|
dev[0].flush_scan_cache()
|
|
|
|
if "FAIL" not in dev[0].request("SCAN ssid foo"):
|
|
raise Exception("Invalid SCAN command accepted")
|
|
|
|
def test_scan_ap_scan_2_ap_mode(dev, apdev):
|
|
"""AP_SCAN 2 AP mode and scan()"""
|
|
try:
|
|
_test_scan_ap_scan_2_ap_mode(dev, apdev)
|
|
finally:
|
|
dev[0].request("AP_SCAN 1")
|
|
|
|
def _test_scan_ap_scan_2_ap_mode(dev, apdev):
|
|
if "OK" not in dev[0].request("AP_SCAN 2"):
|
|
raise Exception("Failed to set AP_SCAN 2")
|
|
|
|
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", "2412")
|
|
dev[0].set_network(id, "scan_freq", "2412")
|
|
dev[0].set_network(id, "disabled", "0")
|
|
dev[0].select_network(id)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("AP failed to start")
|
|
|
|
with fail_test(dev[0], 1, "wpa_driver_nl80211_scan"):
|
|
if "OK" not in dev[0].request("SCAN freq=2412"):
|
|
raise Exception("SCAN command failed unexpectedly")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-FAILED",
|
|
"AP-DISABLED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("CTRL-EVENT-SCAN-FAILED not seen")
|
|
if "AP-DISABLED" in ev:
|
|
raise Exception("Unexpected AP-DISABLED event")
|
|
if "retry=1" in ev:
|
|
# Wait for the retry to scan happen
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-FAILED",
|
|
"AP-DISABLED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("CTRL-EVENT-SCAN-FAILED not seen - retry")
|
|
if "AP-DISABLED" in ev:
|
|
raise Exception("Unexpected AP-DISABLED event - retry")
|
|
|
|
dev[1].connect("wpas-ap-open", key_mgmt="NONE", scan_freq="2412")
|
|
dev[1].request("DISCONNECT")
|
|
dev[1].wait_disconnected()
|
|
dev[0].request("DISCONNECT")
|
|
dev[0].wait_disconnected()
|
|
|
|
def test_scan_bss_expiration_on_ssid_change(dev, apdev):
|
|
"""BSS entry expiration when AP changes SSID"""
|
|
dev[0].flush_scan_cache()
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
|
|
bssid = apdev[0]['bssid']
|
|
dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412")
|
|
|
|
hapd.request("DISABLE")
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" })
|
|
if "OK" not in dev[0].request("BSS_EXPIRE_COUNT 3"):
|
|
raise Exception("BSS_EXPIRE_COUNT failed")
|
|
dev[0].scan(freq="2412")
|
|
dev[0].scan(freq="2412")
|
|
if "OK" not in dev[0].request("BSS_EXPIRE_COUNT 2"):
|
|
raise Exception("BSS_EXPIRE_COUNT failed")
|
|
res = dev[0].request("SCAN_RESULTS")
|
|
if "test-scan" not in res:
|
|
raise Exception("The first SSID not in scan results")
|
|
if "open" not in res:
|
|
raise Exception("The second SSID not in scan results")
|
|
dev[0].connect("open", key_mgmt="NONE")
|
|
|
|
dev[0].request("BSS_FLUSH 0")
|
|
res = dev[0].request("SCAN_RESULTS")
|
|
if "test-scan" in res:
|
|
raise Exception("The BSS entry with the old SSID was not removed")
|
|
dev[0].request("DISCONNECT")
|
|
dev[0].wait_disconnected()
|
|
|
|
def test_scan_dfs(dev, apdev, params):
|
|
"""Scan on DFS channels"""
|
|
try:
|
|
_test_scan_dfs(dev, apdev, params)
|
|
finally:
|
|
subprocess.call(['iw', 'reg', 'set', '00'])
|
|
|
|
def _test_scan_dfs(dev, apdev, params):
|
|
subprocess.call(['iw', 'reg', 'set', 'US'])
|
|
for i in range(2):
|
|
for j in range(5):
|
|
ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("No regdom change event")
|
|
if "alpha2=US" in ev:
|
|
break
|
|
dev[i].dump_monitor()
|
|
|
|
if "OK" not in dev[0].request("SCAN"):
|
|
raise Exception("SCAN command failed")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"])
|
|
if ev is None:
|
|
raise Exception("Scan did not complete")
|
|
|
|
if "OK" not in dev[0].request("SCAN freq=2412,5180,5260,5500,5600,5745"):
|
|
raise Exception("SCAN command failed")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"])
|
|
if ev is None:
|
|
raise Exception("Scan did not complete")
|
|
|
|
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
|
|
"wlan.fc.type_subtype == 4", [ "radiotap.channel.freq" ])
|
|
if out is not None:
|
|
freq = out.splitlines()
|
|
freq = [int(f) for f in freq]
|
|
freq = list(set(freq))
|
|
freq.sort()
|
|
logger.info("Active scan seen on channels: " + str(freq))
|
|
for f in freq:
|
|
if (f >= 5260 and f <= 5320) or (f >= 5500 and f <= 5700):
|
|
raise Exception("Active scan on DFS channel: %d" % f)
|
|
if f in [ 2467, 2472 ]:
|
|
raise Exception("Active scan on US-disallowed channel: %d" % f)
|
|
|
|
def test_scan_abort(dev, apdev):
|
|
"""Aborting a full scan"""
|
|
dev[0].request("SCAN")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"])
|
|
if ev is None:
|
|
raise Exception("Scan did not start")
|
|
if "OK" not in dev[0].request("ABORT_SCAN"):
|
|
raise Exception("ABORT_SCAN command failed")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=2)
|
|
if ev is None:
|
|
raise Exception("Scan did not terminate")
|
|
|
|
def test_scan_abort_on_connect(dev, apdev):
|
|
"""Aborting a full scan on connection request"""
|
|
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
|
|
bssid = apdev[0]['bssid']
|
|
|
|
dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412")
|
|
dev[0].dump_monitor()
|
|
dev[0].request("SCAN")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"])
|
|
if ev is None:
|
|
raise Exception("Scan did not start")
|
|
dev[0].connect("test-scan", key_mgmt="NONE")
|