def run_multi_ap_backhaul_roam_with_bridge(dev, apdev):
br_ifname = 'sta-br0'
ifname = 'wlan5'
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
subprocess.call(['brctl', 'addbr', br_ifname])
subprocess.call(['brctl', 'setfd', br_ifname, '0'])
subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up'])
subprocess.call(['iw', ifname, 'set', '4addr', 'on'])
subprocess.check_call(['brctl', 'addif', br_ifname, ifname])
wpas.interface_add(ifname, br_ifname=br_ifname)
wpas.flush_scan_cache()
params = hostapd.wpa2_params(ssid="multi-ap", passphrase="12345678")
params["multi_ap"] = "1"
hapd = hostapd.add_ap(apdev[0], params)
wpas.connect("multi-ap",
psk="12345678",
scan_freq="2412",
multi_ap_backhaul_sta="1")
hapd2 = hostapd.add_ap(apdev[1], params)
bssid2 = hapd2.own_addr()
wpas.scan_for_bss(bssid2, freq="2412", force_scan=True)
wpas.roam(bssid2)
def test_connect_cmd_disconnect_event(dev, apdev):
"""Connection using cfg80211 connect command getting disconnected by the AP"""
params = {"ssid": "sta-connect"}
hapd = hostapd.add_ap(apdev[0], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412")
if "OK" not in hapd.request("DEAUTHENTICATE " + wpas.p2p_interface_addr()):
raise Exception("DEAUTHENTICATE command failed")
ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5)
if ev is None:
raise Exception("Disconnection event timed out")
# This event was actually based on deauthenticate event since we force
# connect command to be used with a driver that supports auth+assoc for
# testing purposes. Anyway, wait some time to allow the debug log to capture
# the following NL80211_CMD_DISCONNECT event.
time.sleep(0.1)
wpas.dump_monitor()
# Clean up to avoid causing issue for following test cases
wpas.request("REMOVE_NETWORK all")
wpas.wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=2)
wpas.flush_scan_cache()
wpas.dump_monitor()
wpas.interface_remove("wlan5")
del wpas
def test_connect_cmd_disconnect_event(dev, apdev):
"""Connection using cfg80211 connect command getting disconnected by the AP"""
params = {"ssid": "sta-connect"}
hapd = hostapd.add_ap(apdev[0], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412")
if "OK" not in hapd.request("DEAUTHENTICATE " + wpas.p2p_interface_addr()):
raise Exception("DEAUTHENTICATE command failed")
ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5)
if ev is None:
raise Exception("Disconnection event timed out")
# This event was actually based on deauthenticate event since we force
# connect command to be used with a driver that supports auth+assoc for
# testing purposes. Anyway, wait some time to allow the debug log to capture
# the following NL80211_CMD_DISCONNECT event.
time.sleep(0.1)
wpas.dump_monitor()
# Clean up to avoid causing issue for following test cases
wpas.request("REMOVE_NETWORK all")
wpas.wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=2)
wpas.flush_scan_cache()
wpas.dump_monitor()
wpas.interface_remove("wlan5")
del wpas
def test_pmksa_cache_opportunistic_multiple_sta(dev, apdev):
"""Opportunistic PMKSA caching with multiple stations"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
params['okc'] = "1"
hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
for d in dev:
d.flush_scan_cache()
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.flush_scan_cache()
for sta in [dev[0], dev[1], dev[2], wpas]:
sta.connect("test-pmksa-cache",
proto="RSN",
key_mgmt="WPA-EAP",
eap="GPSK",
identity="gpsk user",
password="******",
okc=True,
scan_freq="2412")
hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
logger.info("Roam to AP2")
for sta in [dev[2], dev[0], wpas, dev[1]]:
sta.dump_monitor()
sta.scan_for_bss(bssid2, freq="2412")
if "OK" not in sta.request("ROAM " + bssid2):
raise Exception("ROAM command failed")
ev = sta.wait_event(["CTRL-EVENT-EAP-STARTED", "CTRL-EVENT-CONNECTED"],
timeout=10)
if ev is None:
raise Exception("Roaming with the AP timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange")
pmksa2 = sta.get_pmksa(bssid2)
if pmksa2 is None:
raise Exception("No PMKSA cache entry created")
sta.dump_monitor()
logger.info("Roam back to AP1")
for sta in [dev[0], dev[1], dev[2], wpas]:
sta.dump_monitor()
sta.scan_for_bss(bssid, freq="2412")
sta.request("ROAM " + bssid)
ev = sta.wait_event(["CTRL-EVENT-EAP-STARTED", "CTRL-EVENT-CONNECTED"],
timeout=10)
if ev is None:
raise Exception("Roaming with the AP timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange")
def test_go_neg_forced_freq_diff_than_bss_freq(dev, apdev):
"""P2P channel selection: GO negotiation with forced freq different than station interface"""
with HWSimRadio(n_channels=2) as (radio, iface):
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add(iface)
if wpas.get_mcc() < 2:
raise Exception("New radio does not support MCC")
# Clear possible PBC session overlap from previous test case
dev[1].flush_scan_cache()
wpas.global_request("SET p2p_no_group_iface 0")
hapd = hostapd.add_ap(apdev[0],
{ "country_code": 'US',
"ssid": 'bss-5ghz', "hw_mode": 'a',
"channel": '40' })
wpas.connect("bss-5ghz", key_mgmt="NONE", scan_freq="5200")
# GO and peer force the same freq, different than BSS freq,
# wpas to become GO
[i_res, r_res] = go_neg_pbc(i_dev=dev[1], i_intent=1, i_freq=5180,
r_dev=wpas, r_intent=14, r_freq=5180)
check_grpform_results(i_res, r_res)
if i_res['freq'] != "5180":
raise Exception("P2P group formed on unexpected frequency: " + i_res['freq'])
if r_res['role'] != "GO":
raise Exception("GO not selected according to go_intent")
hwsim_utils.test_connectivity(wpas, hapd)
wpas.remove_group(r_res['ifname'])
dev[1].wait_go_ending_session()
dev[1].flush_scan_cache()
# GO and peer force the same freq, different than BSS freq, wpas to
# become client
[i_res2, r_res2] = go_neg_pbc(i_dev=dev[1], i_intent=14, i_freq=2422,
r_dev=wpas, r_intent=1, r_freq=2422)
check_grpform_results(i_res2, r_res2)
if i_res2['freq'] != "2422":
raise Exception("P2P group formed on unexpected frequency: " + i_res2['freq'])
if r_res2['role'] != "client":
raise Exception("GO not selected according to go_intent")
hwsim_utils.test_connectivity(wpas, hapd)
wpas.request("DISCONNECT")
hapd.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
wpas.flush_scan_cache()
def test_go_neg_forced_freq_diff_than_bss_freq(dev, apdev):
"""P2P channel selection: GO negotiation with forced freq different than station interface"""
with HWSimRadio(n_channels=2) as (radio, iface):
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add(iface)
if wpas.get_mcc() < 2:
raise Exception("New radio does not support MCC")
# Clear possible PBC session overlap from previous test case
dev[1].flush_scan_cache()
wpas.request("SET p2p_no_group_iface 0")
hapd = hostapd.add_ap(apdev[0]['ifname'],
{ "country_code": 'US',
"ssid": 'bss-5ghz', "hw_mode": 'a',
"channel": '40' })
wpas.connect("bss-5ghz", key_mgmt="NONE", scan_freq="5200")
# GO and peer force the same freq, different than BSS freq,
# wpas to become GO
[i_res, r_res] = go_neg_pbc(i_dev=dev[1], i_intent=1, i_freq=5180,
r_dev=wpas, r_intent=14, r_freq=5180)
check_grpform_results(i_res, r_res)
if i_res['freq'] != "5180":
raise Exception("P2P group formed on unexpected frequency: " + i_res['freq'])
if r_res['role'] != "GO":
raise Exception("GO not selected according to go_intent")
hwsim_utils.test_connectivity(wpas, hapd)
wpas.remove_group(r_res['ifname'])
dev[1].wait_go_ending_session()
dev[1].flush_scan_cache()
# GO and peer force the same freq, different than BSS freq, wpas to
# become client
[i_res2, r_res2] = go_neg_pbc(i_dev=dev[1], i_intent=14, i_freq=2422,
r_dev=wpas, r_intent=1, r_freq=2422)
check_grpform_results(i_res2, r_res2)
if i_res2['freq'] != "2422":
raise Exception("P2P group formed on unexpected frequency: " + i_res2['freq'])
if r_res2['role'] != "client":
raise Exception("GO not selected according to go_intent")
hwsim_utils.test_connectivity(wpas, hapd)
wpas.request("DISCONNECT")
hapd.request("DISABLE")
subprocess.call(['iw', 'reg', 'set', '00'])
wpas.flush_scan_cache()
def test_offchannel_tx_roc_gas(dev, apdev):
"""GAS using cfg80211 remain-on-channel for offchannel TX"""
start_ap(apdev[0])
bssid = apdev[0]['bssid']
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="no_offchannel_tx=1")
wpas.flush_scan_cache()
wpas.scan_for_bss(bssid, freq=2412)
anqp_get(wpas, bssid, 263)
ev = wpas.wait_event(["GAS-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("GAS query timed out")
if "result=SUCCESS" not in ev:
raise Exception("Unexpected GAS query result")
def test_offchannel_tx_roc_gas(dev, apdev):
"""GAS using cfg80211 remain-on-channel for offchannel TX"""
start_ap(apdev[0])
bssid = apdev[0]['bssid']
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="no_offchannel_tx=1")
wpas.flush_scan_cache()
wpas.scan_for_bss(bssid, freq=2412)
anqp_get(wpas, bssid, 263)
ev = wpas.wait_event(["GAS-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("GAS query timed out")
if "result=SUCCESS" not in ev:
raise Exception("Unexpected GAS query result")
def test_connect_cmd_bssid_hint(dev, apdev):
"""cfg80211 connect command with bssid_hint"""
params = {"ssid": "sta-connect"}
hostapd.add_ap(apdev[0], params)
hostapd.add_ap(apdev[1], params)
# This does not really give full coverage with mac80211_hwsim since the
# driver does not end up claiming support for driver-based BSS selection.
# Anyway, some test coverage can be achieved for setting the parameter and
# checking that it does not prevent connection with another BSSID.
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
wpas.connect("sta-connect",
key_mgmt="NONE",
scan_freq="2412",
bssid_hint=apdev[0]['bssid'])
wpas.request("REMOVE_NETWORK all")
wpas.wait_disconnected()
wpas.dump_monitor()
wpas.request("BSS_FLUSH 0")
wpas.connect("sta-connect",
key_mgmt="NONE",
scan_freq="2412",
bssid_hint='22:33:44:55:66:77')
wpas.request("REMOVE_NETWORK all")
wpas.wait_disconnected()
wpas.dump_monitor()
# Additional coverage using ap_scan=2 to prevent scan entry -based selection
# within wpa_supplicant from overriding bssid_hint.
try:
if "OK" not in wpas.request("AP_SCAN 2"):
raise Exception("Failed to set AP_SCAN 2")
wpas.request("BSS_FLUSH 0")
wpas.connect("sta-connect",
key_mgmt="NONE",
scan_freq="2412",
bssid_hint='22:33:44:55:66:77')
wpas.request("REMOVE_NETWORK all")
wpas.wait_disconnected()
wpas.dump_monitor()
finally:
wpas.request("AP_SCAN 1")
wpas.flush_scan_cache()
def test_pmksa_cache_opportunistic_multiple_sta(dev, apdev):
"""Opportunistic PMKSA caching with multiple stations"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
params['okc'] = "1"
hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
for d in dev:
d.flush_scan_cache()
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.flush_scan_cache()
for sta in [dev[0], dev[1], dev[2], wpas]:
sta.connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="******", okc=True,
scan_freq="2412")
hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
logger.info("Roam to AP2")
for sta in [dev[2], dev[0], wpas, dev[1]]:
sta.dump_monitor()
sta.scan_for_bss(bssid2, freq="2412")
if "OK" not in sta.request("ROAM " + bssid2):
raise Exception("ROAM command failed")
ev = sta.wait_event(["CTRL-EVENT-EAP-STARTED",
"CTRL-EVENT-CONNECTED"], timeout=10)
if ev is None:
raise Exception("Roaming with the AP timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange")
pmksa2 = sta.get_pmksa(bssid2)
if pmksa2 is None:
raise Exception("No PMKSA cache entry created")
sta.dump_monitor()
logger.info("Roam back to AP1")
for sta in [dev[0], dev[1], dev[2], wpas]:
sta.dump_monitor()
sta.scan_for_bss(bssid, freq="2412")
sta.request("ROAM " + bssid)
ev = sta.wait_event(["CTRL-EVENT-EAP-STARTED",
"CTRL-EVENT-CONNECTED"], timeout=10)
if ev is None:
raise Exception("Roaming with the AP timed out")
if "CTRL-EVENT-EAP-STARTED" in ev:
raise Exception("Unexpected EAP exchange")
def test_connect_cmd_bssid_hint(dev, apdev):
"""cfg80211 connect command with bssid_hint"""
params = {"ssid": "sta-connect"}
hostapd.add_ap(apdev[0], params)
hostapd.add_ap(apdev[1], params)
# This does not really give full coverage with mac80211_hwsim since the
# driver does not end up claiming support for driver-based BSS selection.
# Anyway, some test coverage can be achieved for setting the parameter and
# checking that it does not prevent connection with another BSSID.
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412",
bssid_hint=apdev[0]['bssid'])
wpas.request("REMOVE_NETWORK all")
wpas.wait_disconnected()
wpas.dump_monitor()
wpas.request("BSS_FLUSH 0")
wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412",
bssid_hint='22:33:44:55:66:77')
wpas.request("REMOVE_NETWORK all")
wpas.wait_disconnected()
wpas.dump_monitor()
# Additional coverage using ap_scan=2 to prevent scan entry -based selection
# within wpa_supplicant from overriding bssid_hint.
try:
if "OK" not in wpas.request("AP_SCAN 2"):
raise Exception("Failed to set AP_SCAN 2")
wpas.request("BSS_FLUSH 0")
wpas.connect("sta-connect", key_mgmt="NONE", scan_freq="2412",
bssid_hint='22:33:44:55:66:77')
wpas.request("REMOVE_NETWORK all")
wpas.wait_disconnected()
wpas.dump_monitor()
finally:
wpas.request("AP_SCAN 1")
wpas.flush_scan_cache()
def test_ap_reconnect_auth_timeout(dev, apdev, params):
"""Reconnect to 2nd AP and authentication times out"""
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5",
drv_params="force_connect_cmd=1,force_bss_selection=1")
wpas.flush_scan_cache()
params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
hapd0 = hostapd.add_ap(apdev[0], params)
bssid0 = hapd0.own_addr()
wpas.scan_for_bss(bssid0, freq=2412)
id = wpas.connect("test-wpa2-psk", psk="12345678", scan_freq="2412")
hapd0.wait_sta()
hwsim_utils.test_connectivity(wpas, hapd0)
hapd1 = hostapd.add_ap(apdev[1], params)
bssid1 = hapd1.own_addr()
wpas.request("BSSID_IGNORE " + bssid0)
wpas.scan_for_bss(bssid1, freq=2412)
wpas.request("DISCONNECT")
if "OK" not in wpas.request("SET ignore_auth_resp 1"):
raise Exception("SET ignore_auth_resp failed")
if "OK" not in wpas.request("ENABLE_NETWORK " + str(id)):
raise Exception("ENABLE_NETWORK failed")
if "OK" not in wpas.request("SELECT_NETWORK " + str(id)):
raise Exception("SELECT_NETWORK failed")
logger.info("Wait ~10s for auth timeout...")
time.sleep(10)
ev = wpas.wait_event(["CTRL-EVENT-SCAN-STARTED"], 12)
if not ev:
raise Exception("CTRL-EVENT-SCAN-STARTED not seen")
b = get_bssid_ignore_list(wpas)
if '00:00:00:00:00:00' in b:
raise Exception("Unexpected ignore list contents: " + str(b))
if bssid1 not in b:
raise Exception("Unexpected ignore list contents: " + str(b))
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_pmksa_cache_multiple_sta(dev, apdev):
"""PMKSA cache with multiple stations"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
for d in dev:
d.flush_scan_cache()
dev[0].connect("test-pmksa-cache",
proto="RSN",
key_mgmt="WPA-EAP",
eap="GPSK",
identity="gpsk-user-session-timeout",
password="******",
scan_freq="2412")
dev[1].connect("test-pmksa-cache",
proto="RSN",
key_mgmt="WPA-EAP",
eap="GPSK",
identity="gpsk user",
password="******",
scan_freq="2412")
dev[2].connect("test-pmksa-cache",
proto="RSN",
key_mgmt="WPA-EAP",
eap="GPSK",
identity="gpsk-user-session-timeout",
password="******",
scan_freq="2412")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.flush_scan_cache()
wpas.connect("test-pmksa-cache",
proto="RSN",
key_mgmt="WPA-EAP",
eap="GPSK",
identity="gpsk user",
password="******",
scan_freq="2412")
hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
logger.info("Roam to AP2")
for sta in [dev[1], dev[0], dev[2], wpas]:
sta.dump_monitor()
sta.scan_for_bss(bssid2, freq="2412")
if "OK" not in sta.request("ROAM " + bssid2):
raise Exception("ROAM command failed (" + sta.ifname + ")")
ev = sta.wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
if ev is None:
raise Exception("EAP success timed out")
sta.wait_connected(timeout=10, error="Roaming timed out")
sta.dump_monitor()
logger.info("Roam back to AP1")
for sta in [dev[1], wpas, dev[0], dev[2]]:
sta.dump_monitor()
sta.scan(freq="2412")
sta.dump_monitor()
sta.request("ROAM " + bssid)
sta.wait_connected(timeout=10, error="Roaming timed out")
sta.dump_monitor()
time.sleep(4)
logger.info("Roam back to AP2")
for sta in [dev[1], wpas, dev[0], dev[2]]:
sta.dump_monitor()
sta.scan(freq="2412")
sta.dump_monitor()
sta.request("ROAM " + bssid2)
sta.wait_connected(timeout=10, error="Roaming timed out")
sta.dump_monitor()
def test_pmksa_cache_multiple_sta(dev, apdev):
"""PMKSA cache with multiple stations"""
params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
for d in dev:
d.flush_scan_cache()
dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk-user-session-timeout",
password="******",
scan_freq="2412")
dev[1].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="******",
scan_freq="2412")
dev[2].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk-user-session-timeout",
password="******",
scan_freq="2412")
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.flush_scan_cache()
wpas.connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
eap="GPSK", identity="gpsk user",
password="******",
scan_freq="2412")
hostapd.add_ap(apdev[1], params)
bssid2 = apdev[1]['bssid']
logger.info("Roam to AP2")
for sta in [dev[1], dev[0], dev[2], wpas]:
sta.dump_monitor()
sta.scan_for_bss(bssid2, freq="2412")
if "OK" not in sta.request("ROAM " + bssid2):
raise Exception("ROAM command failed (" + sta.ifname + ")")
ev = sta.wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
if ev is None:
raise Exception("EAP success timed out")
sta.wait_connected(timeout=10, error="Roaming timed out")
sta.dump_monitor()
logger.info("Roam back to AP1")
for sta in [dev[1], wpas, dev[0], dev[2]]:
sta.dump_monitor()
sta.scan(freq="2412")
sta.dump_monitor()
sta.request("ROAM " + bssid)
sta.wait_connected(timeout=10, error="Roaming timed out")
sta.dump_monitor()
time.sleep(4)
logger.info("Roam back to AP2")
for sta in [dev[1], wpas, dev[0], dev[2]]:
sta.dump_monitor()
sta.scan(freq="2412")
sta.dump_monitor()
sta.request("ROAM " + bssid2)
sta.wait_connected(timeout=10, error="Roaming timed out")
sta.dump_monitor()
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()
