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5f35a5e27f
fragattacks/tests/hwsim/test_scan.py
Jouni Malinen 5f35a5e27f tests: Add wait_connected() and wait_disconnected() helpers 
Signed-off-by: Jouni Malinen <j@w1.fi>
2014-12-20 13:10:09 +02:00

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# Scanning tests
# Copyright (c) 2013, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import time
import logging
logger = logging.getLogger()
import os
import subprocess
import hostapd
from wpasupplicant import WpaSupplicant
def check_scan(dev, params, other_started=False, test_busy=False):
if not other_started:
dev.dump_monitor()
id = dev.request("SCAN " + params)
if "FAIL" in id:
raise Exception("Failed to start scan")
id = int(id)
if test_busy:
if "FAIL-BUSY" not in dev.request("SCAN"):
raise Exception("SCAN command while already scanning not rejected")
if other_started:
ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
if ev is None:
raise Exception("Other scan did not start")
if "id=" + str(id) in ev:
raise Exception("Own scan id unexpectedly included in start event")
ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
if ev is None:
raise Exception("Other scan did not complete")
if "id=" + str(id) in ev:
raise Exception("Own scan id unexpectedly included in completed event")
ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
if ev is None:
raise Exception("Scan did not start")
if "id=" + str(id) not in ev:
raise Exception("Scan id not included in start event")
if test_busy:
if "FAIL-BUSY" not in dev.request("SCAN"):
raise Exception("SCAN command while already scanning not rejected")
ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
if ev is None:
raise Exception("Scan did not complete")
if "id=" + str(id) not in ev:
raise Exception("Scan id not included in completed event")
def check_scan_retry(dev, params, bssid):
for i in range(0, 5):
check_scan(dev, "freq=2412-2462,5180 use_id=1")
if int(dev.get_bss(bssid)['age']) <= 1:
return
raise Exception("Unexpectedly old BSS entry")
def test_scan(dev, apdev):
"""Control interface behavior on scan parameters"""
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
bssid = apdev[0]['bssid']
logger.info("Full scan")
check_scan(dev[0], "use_id=1", test_busy=True)
logger.info("Limited channel scan")
check_scan_retry(dev[0], "freq=2412-2462,5180 use_id=1", bssid)
# wait long enough to allow next scans to be verified not to find the AP
time.sleep(2)
logger.info("Passive single-channel scan")
check_scan(dev[0], "freq=2457 passive=1 use_id=1")
logger.info("Active single-channel scan")
check_scan(dev[0], "freq=2452 passive=0 use_id=1")
if int(dev[0].get_bss(bssid)['age']) < 2:
raise Exception("Unexpectedly updated BSS entry")
logger.info("Active single-channel scan on AP's operating channel")
check_scan_retry(dev[0], "freq=2412 passive=0 use_id=1", bssid)
def test_scan_only(dev, apdev):
"""Control interface behavior on scan parameters with type=only"""
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
bssid = apdev[0]['bssid']
logger.info("Full scan")
check_scan(dev[0], "type=only use_id=1")
logger.info("Limited channel scan")
check_scan_retry(dev[0], "type=only freq=2412-2462,5180 use_id=1", bssid)
# wait long enough to allow next scans to be verified not to find the AP
time.sleep(2)
logger.info("Passive single-channel scan")
check_scan(dev[0], "type=only freq=2457 passive=1 use_id=1")
logger.info("Active single-channel scan")
check_scan(dev[0], "type=only freq=2452 passive=0 use_id=1")
if int(dev[0].get_bss(bssid)['age']) < 2:
raise Exception("Unexpectedly updated BSS entry")
logger.info("Active single-channel scan on AP's operating channel")
check_scan_retry(dev[0], "type=only freq=2412 passive=0 use_id=1", bssid)
def test_scan_external_trigger(dev, apdev):
"""Avoid operations during externally triggered scan"""
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
bssid = apdev[0]['bssid']
subprocess.call(['sudo', 'iw', dev[0].ifname, 'scan', 'trigger'])
check_scan(dev[0], "use_id=1", other_started=True)
def test_scan_bss_expiration_count(dev, apdev):
"""BSS entry expiration based on scan results without match"""
if "FAIL" not in dev[0].request("BSS_EXPIRE_COUNT 0"):
raise Exception("Invalid BSS_EXPIRE_COUNT accepted")
if "OK" not in dev[0].request("BSS_EXPIRE_COUNT 2"):
raise Exception("BSS_EXPIRE_COUNT failed")
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
bssid = apdev[0]['bssid']
dev[0].scan(freq="2412", only_new=True)
if bssid not in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS not found in initial scan")
hapd.request("DISABLE")
dev[0].scan(freq="2412", only_new=True)
if bssid not in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS not found in first scan without match")
dev[0].scan(freq="2412", only_new=True)
if bssid in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS found after two scans without match")
def test_scan_bss_expiration_age(dev, apdev):
"""BSS entry expiration based on age"""
try:
if "FAIL" not in dev[0].request("BSS_EXPIRE_AGE COUNT 9"):
raise Exception("Invalid BSS_EXPIRE_AGE accepted")
if "OK" not in dev[0].request("BSS_EXPIRE_AGE 10"):
raise Exception("BSS_EXPIRE_AGE failed")
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
bssid = apdev[0]['bssid']
dev[0].scan(freq="2412")
if bssid not in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS not found in initial scan")
hapd.request("DISABLE")
logger.info("Waiting for BSS entry to expire")
time.sleep(7)
if bssid not in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS expired too quickly")
ev = dev[0].wait_event(["CTRL-EVENT-BSS-REMOVED"], timeout=15)
if ev is None:
raise Exception("BSS entry expiration timed out")
if bssid in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS not removed after expiration time")
finally:
dev[0].request("BSS_EXPIRE_AGE 180")
def test_scan_filter(dev, apdev):
"""Filter scan results based on SSID"""
try:
if "OK" not in dev[0].request("SET filter_ssids 1"):
raise Exception("SET failed")
id = dev[0].connect("test-scan", key_mgmt="NONE", only_add_network=True)
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
bssid = apdev[0]['bssid']
hostapd.add_ap(apdev[1]['ifname'], { "ssid": "test-scan2" })
bssid2 = apdev[1]['bssid']
dev[0].scan(freq="2412", only_new=True)
if bssid not in dev[0].request("SCAN_RESULTS"):
raise Exception("BSS not found in scan results")
if bssid2 in dev[0].request("SCAN_RESULTS"):
raise Exception("Unexpected BSS found in scan results")
dev[0].set_network_quoted(id, "ssid", "")
dev[0].scan(freq="2412")
id2 = dev[0].connect("test", key_mgmt="NONE", only_add_network=True)
dev[0].scan(freq="2412")
finally:
dev[0].request("SET filter_ssids 0")
def test_scan_int(dev, apdev):
"""scan interval configuration"""
try:
if "FAIL" not in dev[0].request("SCAN_INTERVAL -1"):
raise Exception("Accepted invalid scan interval")
if "OK" not in dev[0].request("SCAN_INTERVAL 1"):
raise Exception("Failed to set scan interval")
dev[0].connect("not-used", key_mgmt="NONE", scan_freq="2412",
wait_connect=False)
times = {}
for i in range(0, 3):
logger.info("Waiting for scan to start")
start = os.times()[4]
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=5)
if ev is None:
raise Exception("did not start a scan")
stop = os.times()[4]
times[i] = stop - start
logger.info("Waiting for scan to complete")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
if ev is None:
raise Exception("did not complete a scan")
print times
if times[0] > 1 or times[1] < 0.5 or times[1] > 1.5 or times[2] < 0.5 or times[2] > 1.5:
raise Exception("Unexpected scan timing: " + str(times))
finally:
dev[0].request("SCAN_INTERVAL 5")
def test_scan_bss_operations(dev, apdev):
"""Control interface behavior on BSS parameters"""
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
bssid = apdev[0]['bssid']
hostapd.add_ap(apdev[1]['ifname'], { "ssid": "test2-scan" })
bssid2 = apdev[1]['bssid']
dev[0].scan(freq="2412")
dev[0].scan(freq="2412")
dev[0].scan(freq="2412")
id1 = dev[0].request("BSS FIRST MASK=0x1").splitlines()[0].split('=')[1]
id2 = dev[0].request("BSS LAST MASK=0x1").splitlines()[0].split('=')[1]
res = dev[0].request("BSS RANGE=ALL MASK=0x20001")
if "id=" + id1 not in res:
raise Exception("Missing BSS " + id1)
if "id=" + id2 not in res:
raise Exception("Missing BSS " + id2)
if "====" not in res:
raise Exception("Missing delim")
if "####" not in res:
raise Exception("Missing end")
res = dev[0].request("BSS RANGE=ALL MASK=0")
if "id=" + id1 not in res:
raise Exception("Missing BSS " + id1)
if "id=" + id2 not in res:
raise Exception("Missing BSS " + id2)
if "====" in res:
raise Exception("Unexpected delim")
if "####" in res:
raise Exception("Unexpected end delim")
res = dev[0].request("BSS RANGE=ALL MASK=0x1").splitlines()
if len(res) != 2:
raise Exception("Unexpected result")
res = dev[0].request("BSS FIRST MASK=0x1")
if "id=" + id1 not in res:
raise Exception("Unexpected result: " + res)
res = dev[0].request("BSS LAST MASK=0x1")
if "id=" + id2 not in res:
raise Exception("Unexpected result: " + res)
res = dev[0].request("BSS ID-" + id1 + " MASK=0x1")
if "id=" + id1 not in res:
raise Exception("Unexpected result: " + res)
res = dev[0].request("BSS NEXT-" + id1 + " MASK=0x1")
if "id=" + id2 not in res:
raise Exception("Unexpected result: " + res)
res = dev[0].request("BSS NEXT-" + id2 + " MASK=0x1")
if "id=" in res:
raise Exception("Unexpected result: " + res)
if len(dev[0].request("BSS RANGE=" + id2 + " MASK=0x1").splitlines()) != 0:
raise Exception("Unexpected RANGE=1 result")
if len(dev[0].request("BSS RANGE=" + id1 + "- MASK=0x1").splitlines()) != 2:
raise Exception("Unexpected RANGE=0- result")
if len(dev[0].request("BSS RANGE=-" + id2 + " MASK=0x1").splitlines()) != 2:
raise Exception("Unexpected RANGE=-1 result")
if len(dev[0].request("BSS RANGE=" + id1 + "-" + id2 + " MASK=0x1").splitlines()) != 2:
raise Exception("Unexpected RANGE=0-1 result")
if len(dev[0].request("BSS RANGE=" + id2 + "-" + id2 + " MASK=0x1").splitlines()) != 1:
raise Exception("Unexpected RANGE=1-1 result")
if len(dev[0].request("BSS RANGE=" + str(int(id2) + 1) + "-" + str(int(id2) + 10) + " MASK=0x1").splitlines()) != 0:
raise Exception("Unexpected RANGE=2-10 result")
if len(dev[0].request("BSS RANGE=0-" + str(int(id2) + 10) + " MASK=0x1").splitlines()) != 2:
raise Exception("Unexpected RANGE=0-10 result")
if len(dev[0].request("BSS RANGE=" + id1 + "-" + id1 + " MASK=0x1").splitlines()) != 1:
raise Exception("Unexpected RANGE=0-0 result")
res = dev[0].request("BSS p2p_dev_addr=FOO")
if "FAIL" in res or "id=" in res:
raise Exception("Unexpected result: " + res)
res = dev[0].request("BSS p2p_dev_addr=00:11:22:33:44:55")
if "FAIL" in res or "id=" in res:
raise Exception("Unexpected result: " + res)
dev[0].request("BSS_FLUSH 1000")
res = dev[0].request("BSS RANGE=ALL MASK=0x1").splitlines()
if len(res) != 2:
raise Exception("Unexpected result after BSS_FLUSH 1000")
dev[0].request("BSS_FLUSH 0")
res = dev[0].request("BSS RANGE=ALL MASK=0x1").splitlines()
if len(res) != 0:
raise Exception("Unexpected result after BSS_FLUSH 0")
def test_scan_and_interface_disabled(dev, apdev):
"""Scan operation when interface gets disabled"""
try:
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].request("DRIVER_EVENT INTERFACE_DISABLED")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=7)
if ev is not None:
raise Exception("Scan completed unexpectedly")
# verify that scan is rejected
if "FAIL" not in dev[0].request("SCAN"):
raise Exception("New scan request was accepted unexpectedly")
dev[0].request("DRIVER_EVENT INTERFACE_ENABLED")
dev[0].scan(freq="2412")
finally:
dev[0].request("DRIVER_EVENT INTERFACE_ENABLED")
def test_scan_for_auth(dev, apdev):
"""cfg80211 workaround with scan-for-auth"""
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" })
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("open", key_mgmt="NONE", scan_freq="2412",
wait_connect=False)
dev[0].dump_monitor()
# Clear cfg80211 BSS table.
subprocess.call(['iw', dev[0].ifname, 'scan', 'trigger',
'freq', '2457', 'flush'])
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"""
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")
check_scan(dev[0], "scan_id=%d,%d,%d freq=2412 use_id=1" % (id1, id2, id3))
if "test-scan" not in dev[0].request("SCAN_RESULTS"):
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")
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)")
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")
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")
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()
dev[0].request("SCAN_INTERVAL 5")
def _test_scan_hidden_many(dev, apdev):
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)
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