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iwd/autotests/testPSK-roam/connection_test.py

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autotests: Add FT roaming test and utility functions This tests the FT-PSK initial Mobility Domain authentication, neighbor reports, scanning on a subset of frequencies and FT transition.
2017-03-26 03:16:57 +02:00
#! /usr/bin/python3
import unittest
import sys, os
sys.path.append('../util')
import iwd
from iwd import IWD
from iwd import PSKAgent
from iwd import NetworkType
from hwsim import Hwsim
auto-t: prepare autotests for test-runner re-write The tests basically remained the same with a few minor changes. The wiphy_map and in turn hostapd_map are no longer used. This was already partially converted a long time ago when the 'config' parameter was added to HostapdCLI. This patch fully converts all autotests to use 'config' rather than looking up by interface. Some test scripts were named 'test.py' which was fine before but the new rewrite actually loads each python test as a module. The name 'test' is too ambiguous and causes issues due to a native python module with the same name. All of these files were renamed to 'connection_test.py'.
2020-09-11 01:12:22 +02:00
from hostapd import HostapdCLI
autotests: Test communication when iwd reports connected Test that the AP interface and the station interface managed by iwd can actually send and receive ethernet traffic when iwd is in the connected state. Due to linux routing none of the high level utilities like ping or arping can be easily used to test communication between two interfaces of the same machine so use a method based on the mac80211_hwsim/tools/hwsim_test.c utility in the wpa_supplicant tree that uses a raw socket to inject unicast and broadcast frames. Add this check in three tests of different security type connections that simulate a single AP, and the two roaming tests with two APs. Check that the station can't communicate with the other AP's interface.
2017-05-22 10:49:47 +02:00
import testutil
autotests: Add FT roaming test and utility functions This tests the FT-PSK initial Mobility Domain authentication, neighbor reports, scanning on a subset of frequencies and FT transition.
2017-03-26 03:16:57 +02:00
class Test(unittest.TestCase):
auto-t: add packet loss test to testPSK-roam A new test which blocks all data frames once connected, then tries to send 100 packets. This should result in the kernel sending a packet loss event to userspace, which IWD should react to and roam.
2022-08-10 01:04:28 +02:00
def validate_connection(self, wd, over_ds=False, pkt_loss=False):
auto-t: removed ';' from many autotests At some point a stray ';' got added into an autotest in a section of code that is heavily copy pasted. So in turn nearly all the autotests have this stray ';' after list_devices (and a few in other places).
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device = wd.list_devices(1)[0]
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
auto-t: use wait_for_event in testPSK-roam Depending on timing hostapd may not show a station with list_sta() Instead use wait_for_event
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ordered_network = device.get_ordered_network('TestFT', full_scan=True)
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
self.assertEqual(ordered_network.type, NetworkType.psk)
autotests: Add FT roaming test and utility functions This tests the FT-PSK initial Mobility Domain authentication, neighbor reports, scanning on a subset of frequencies and FT transition.
2017-03-26 03:16:57 +02:00
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
self.assertFalse(self.bss_hostapd[0].list_sta())
self.assertFalse(self.bss_hostapd[1].list_sta())
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
device.connect_bssid(self.bss_hostapd[0].bssid)
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
auto-t: fix testFT-PSK-roam Switched around hwsim rules with the IWD initializer to avoid IWD periodically scanning before hwsim rules are in place. Removed some unneeded code during teardown.
2020-09-11 01:12:47 +02:00
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
auto-t: use wait_for_event in testPSK-roam Depending on timing hostapd may not show a station with list_sta() Instead use wait_for_event
2022-03-28 19:28:38 +02:00
self.bss_hostapd[0].wait_for_event('AP-STA-CONNECTED %s' % device.address)
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(self.bss_hostapd[0].ifname, device.name)
self.assertRaises(Exception, testutil.test_ifaces_connected,
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
(self.bss_hostapd[1].ifname, device.name, True, True))
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
auto-t: block auth frames for FT-over-DS test The FT-over-DS test was allowed to fail as it stood. If FT-over-DS failed it would just do a normal over-Air transition which satisfied all the checks. To prevent this Authenticate frames are blocked after the initial connection so if FT-over-DS fails there is no other way to roam.
2021-09-29 00:36:06 +02:00
if over_ds:
self.rule0.enabled = True
auto-t: add packet loss test to testPSK-roam A new test which blocks all data frames once connected, then tries to send 100 packets. This should result in the kernel sending a packet loss event to userspace, which IWD should react to and roam.
2022-08-10 01:04:28 +02:00
if pkt_loss:
# Drop all data frames
self.rule1.enabled = True
# Set the current BSS signal lower so we have roam candidates
self.rule2.enabled = True
# Send 100 packets (to be dropped), should trigger beacon loss
testutil.tx_packets(device.name, self.bss_hostapd[0].ifname, 100)
device.wait_for_event('packet-loss-roam', timeout=30)
else:
device.roam(self.bss_hostapd[1].bssid)
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
# Check that iwd is on BSS 1 once out of roaming state and doesn't
# go through 'disconnected', 'autoconnect', 'connecting' in between
auto-t: update roaming tests with wait_for_object_change Every single roaming test had one of two problems with watching the state change between roaming --> connected. Either the test used wait_for_object_condition to wait for 'connected' which could allow other states in between. Or it simply used an assert. The assert wouldn't allow other state changes, but at the cost of potentially failing due to IWD not having made it to the 'connected' state yet. Now we have wait_for_object_change which takes two conditions: initial (from_str) and expected (to_str). This API will not allow any other conditions except these, and will wait for the expected condition before continuing. This allows roaming test to reliably wait for the roaming --> connected state change.
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from_condition = 'obj.state == DeviceState.roaming'
to_condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_change(device, from_condition, to_condition)
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
auto-t: fix unreliable behavior in testPSK-roam The packet loss test had a few problems. First being that the RSSI for the original BSS was not low enough to change the rank. This meant any roam was just lucky that the intended BSS was first in the results. The second problem is timing related, and only happens on UML. Disabling the rules after the roaming condition sometimes allows IWD to fully roam and connect before the next state change checks.
2022-08-22 19:01:45 +02:00
if pkt_loss:
self.rule1.enabled = False
self.rule2.enabled = False
auto-t: use wait_for_event in testPSK-roam Depending on timing hostapd may not show a station with list_sta() Instead use wait_for_event
2022-03-28 19:28:38 +02:00
self.bss_hostapd[1].wait_for_event('AP-STA-CONNECTED %s' % device.address)
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(self.bss_hostapd[1].ifname, device.name)
autotests: Test communication when iwd reports connected Test that the AP interface and the station interface managed by iwd can actually send and receive ethernet traffic when iwd is in the connected state. Due to linux routing none of the high level utilities like ping or arping can be easily used to test communication between two interfaces of the same machine so use a method based on the mac80211_hwsim/tools/hwsim_test.c utility in the wpa_supplicant tree that uses a raw socket to inject unicast and broadcast frames. Add this check in three tests of different security type connections that simulate a single AP, and the two roaming tests with two APs. Check that the station can't communicate with the other AP's interface.
2017-05-22 10:49:47 +02:00
self.assertRaises(Exception, testutil.test_ifaces_connected,
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
(self.bss_hostapd[0].ifname, device.name, True, True))
autotests: Test communication when iwd reports connected Test that the AP interface and the station interface managed by iwd can actually send and receive ethernet traffic when iwd is in the connected state. Due to linux routing none of the high level utilities like ping or arping can be easily used to test communication between two interfaces of the same machine so use a method based on the mac80211_hwsim/tools/hwsim_test.c utility in the wpa_supplicant tree that uses a raw socket to inject unicast and broadcast frames. Add this check in three tests of different security type connections that simulate a single AP, and the two roaming tests with two APs. Check that the station can't communicate with the other AP's interface.
2017-05-22 10:49:47 +02:00
auto-t: rekey in FT/FILS tests
2021-09-29 00:36:09 +02:00
self.bss_hostapd[1].rekey(device.address)
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
device.roam(self.bss_hostapd[0].bssid)
auto-t: add FT-back to original AP on FT-PSK-roam
2021-04-30 20:20:36 +02:00
# Check that iwd is on BSS 0 once out of roaming state and doesn't
# go through 'disconnected', 'autoconnect', 'connecting' in between
from_condition = 'obj.state == DeviceState.roaming'
to_condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_change(device, from_condition, to_condition)
auto-t: use wait_for_event in testPSK-roam Depending on timing hostapd may not show a station with list_sta() Instead use wait_for_event
2022-03-28 19:28:38 +02:00
self.bss_hostapd[0].wait_for_event('AP-STA-CONNECTED %s' % device.address)
auto-t: add FT-back to original AP on FT-PSK-roam
2021-04-30 20:20:36 +02:00
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(self.bss_hostapd[0].ifname, device.name)
self.assertRaises(Exception, testutil.test_ifaces_connected,
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
(self.bss_hostapd[1].ifname, device.name, True, True))
auto-t: testPSK-roam deauthenticate IWD after roam After roaming deauth IWD and check the connection state.
2021-11-23 19:17:32 +01:00
self.bss_hostapd[0].deauthenticate(device.address)
condition = 'obj.state == DeviceState.disconnected'
wd.wait_for_object_condition(device, condition)
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
def test_ft_psk(self):
wd = IWD(True)
self.bss_hostapd[0].set_value('wpa_key_mgmt', 'FT-PSK')
self.bss_hostapd[0].set_value('ft_over_ds', '0')
auto-t: set ocv on PSK FT test
2021-09-28 17:46:56 +02:00
self.bss_hostapd[0].set_value('ocv', '1')
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
self.bss_hostapd[0].reload()
self.bss_hostapd[0].wait_for_event("AP-ENABLED")
self.bss_hostapd[1].set_value('wpa_key_mgmt', 'FT-PSK')
self.bss_hostapd[1].set_value('ft_over_ds', '0')
auto-t: set ocv on PSK FT test
2021-09-28 17:46:56 +02:00
self.bss_hostapd[0].set_value('ocv', '1')
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
self.bss_hostapd[1].reload()
self.bss_hostapd[1].wait_for_event("AP-ENABLED")
self.validate_connection(wd)
def test_ft_psk_over_ds(self):
wd = IWD(True)
self.bss_hostapd[0].set_value('wpa_key_mgmt', 'FT-PSK')
self.bss_hostapd[0].set_value('ft_over_ds', '1')
auto-t: set ocv on PSK FT test
2021-09-28 17:46:56 +02:00
self.bss_hostapd[0].set_value('ocv', '1')
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
self.bss_hostapd[0].reload()
self.bss_hostapd[0].wait_for_event("AP-ENABLED")
self.bss_hostapd[1].set_value('wpa_key_mgmt', 'FT-PSK')
self.bss_hostapd[1].set_value('ft_over_ds', '1')
auto-t: set ocv on PSK FT test
2021-09-28 17:46:56 +02:00
self.bss_hostapd[1].set_value('ocv', '1')
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
self.bss_hostapd[1].reload()
self.bss_hostapd[1].wait_for_event("AP-ENABLED")
self.validate_connection(wd, over_ds=True)
def test_reassociate_psk(self):
wd = IWD(True)
self.bss_hostapd[0].set_value('wpa_key_mgmt', 'WPA-PSK')
self.bss_hostapd[0].set_value('ft_over_ds', '0')
self.bss_hostapd[0].reload()
self.bss_hostapd[0].wait_for_event("AP-ENABLED")
self.bss_hostapd[1].set_value('wpa_key_mgmt', 'WPA-PSK')
self.bss_hostapd[1].set_value('ft_over_ds', '0')
self.bss_hostapd[1].reload()
self.bss_hostapd[1].wait_for_event("AP-ENABLED")
self.validate_connection(wd)
auto-t: add FT-back to original AP on FT-PSK-roam
2021-04-30 20:20:36 +02:00
auto-t: add packet loss test to testPSK-roam A new test which blocks all data frames once connected, then tries to send 100 packets. This should result in the kernel sending a packet loss event to userspace, which IWD should react to and roam.
2022-08-10 01:04:28 +02:00
def test_roam_packet_loss(self):
wd = IWD(True)
self.bss_hostapd[0].set_value('wpa_key_mgmt', 'FT-PSK')
self.bss_hostapd[0].set_value('ft_over_ds', '0')
self.bss_hostapd[0].set_value('ocv', '1')
self.bss_hostapd[0].reload()
self.bss_hostapd[0].wait_for_event("AP-ENABLED")
self.bss_hostapd[1].set_value('wpa_key_mgmt', 'FT-PSK')
self.bss_hostapd[1].set_value('ft_over_ds', '0')
self.bss_hostapd[0].set_value('ocv', '1')
self.bss_hostapd[1].reload()
self.bss_hostapd[1].wait_for_event("AP-ENABLED")
self.validate_connection(wd, pkt_loss=True)
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
def tearDown(self):
auto-t: replace ifconfig with ip commands ifconfig has long been deprecated in favor of ip from iproute2. It is usually no longer installed by default.
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os.system('ip link set "' + self.bss_hostapd[0].ifname + '" down')
os.system('ip link set "' + self.bss_hostapd[1].ifname + '" down')
os.system('ip link set "' + self.bss_hostapd[0].ifname + '" up')
os.system('ip link set "' + self.bss_hostapd[1].ifname + '" up')
autotests: Add FT roaming test and utility functions This tests the FT-PSK initial Mobility Domain authentication, neighbor reports, scanning on a subset of frequencies and FT transition.
2017-03-26 03:16:57 +02:00
auto-t: block auth frames for FT-over-DS test The FT-over-DS test was allowed to fail as it stood. If FT-over-DS failed it would just do a normal over-Air transition which satisfied all the checks. To prevent this Authenticate frames are blocked after the initial connection so if FT-over-DS fails there is no other way to roam.
2021-09-29 00:36:06 +02:00
self.rule0.enabled = False
auto-t: add packet loss test to testPSK-roam A new test which blocks all data frames once connected, then tries to send 100 packets. This should result in the kernel sending a packet loss event to userspace, which IWD should react to and roam.
2022-08-10 01:04:28 +02:00
self.rule1.enabled = False
self.rule2.enabled = False
auto-t: block auth frames for FT-over-DS test The FT-over-DS test was allowed to fail as it stood. If FT-over-DS failed it would just do a normal over-Air transition which satisfied all the checks. To prevent this Authenticate frames are blocked after the initial connection so if FT-over-DS fails there is no other way to roam.
2021-09-29 00:36:06 +02:00
autotests: Add FT roaming test and utility functions This tests the FT-PSK initial Mobility Domain authentication, neighbor reports, scanning on a subset of frequencies and FT transition.
2017-03-26 03:16:57 +02:00
@classmethod
def setUpClass(cls):
auto-t: block auth frames for FT-over-DS test The FT-over-DS test was allowed to fail as it stood. If FT-over-DS failed it would just do a normal over-Air transition which satisfied all the checks. To prevent this Authenticate frames are blocked after the initial connection so if FT-over-DS fails there is no other way to roam.
2021-09-29 00:36:06 +02:00
hwsim = Hwsim()
auto-t: use connect_bssid/roam APIs in testFT-PSK-roam This also adds FT-over-DS into this test, as well as a reassociation test for good measure.
2021-08-12 22:22:04 +02:00
IWD.copy_to_storage('TestFT.psk')
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
auto-t: updated autotests to use hwsim.get_radio This removes all the duplicated code where the interfaces are iterated and the radio/hostapd instances are created. Instead the two new APIs are used to get each instance, e.g.: hapd = HostapdCLI(config='ssid.conf') radio = hwsim.get_radio('radX')
2019-06-11 18:25:54 +02:00
cls.bss_hostapd = [ HostapdCLI(config='ft-psk-ccmp-1.conf'),
HostapdCLI(config='ft-psk-ccmp-2.conf') ]
auto-t: add packet loss test to testPSK-roam A new test which blocks all data frames once connected, then tries to send 100 packets. This should result in the kernel sending a packet loss event to userspace, which IWD should react to and roam.
2022-08-10 01:04:28 +02:00
rad0 = hwsim.get_radio('rad0')
auto-t: block auth frames for FT-over-DS test The FT-over-DS test was allowed to fail as it stood. If FT-over-DS failed it would just do a normal over-Air transition which satisfied all the checks. To prevent this Authenticate frames are blocked after the initial connection so if FT-over-DS fails there is no other way to roam.
2021-09-29 00:36:06 +02:00
rad2 = hwsim.get_radio('rad2')
cls.rule0 = hwsim.rules.create()
cls.rule0.source = rad2.addresses[0]
cls.rule0.bidirectional = True
cls.rule0.signal = -2000
cls.rule0.prefix = 'b0'
cls.rule0.drop = True
autotests: Add test for roam triggered by beacon loss The two tests in test.py are similar except for the way that the roaming is triggered.
2017-08-14 14:31:22 +02:00
auto-t: add packet loss test to testPSK-roam A new test which blocks all data frames once connected, then tries to send 100 packets. This should result in the kernel sending a packet loss event to userspace, which IWD should react to and roam.
2022-08-10 01:04:28 +02:00
cls.rule1 = hwsim.rules.create()
cls.rule1.source = rad2.addresses[0]
cls.rule1.prefix = '08'
cls.rule1.drop = True
cls.rule2 = hwsim.rules.create()
cls.rule2.source = rad0.addresses[0]
auto-t: fix unreliable behavior in testPSK-roam The packet loss test had a few problems. First being that the RSSI for the original BSS was not low enough to change the rank. This meant any roam was just lucky that the intended BSS was first in the results. The second problem is timing related, and only happens on UML. Disabling the rules after the roaming condition sometimes allows IWD to fully roam and connect before the next state change checks.
2022-08-22 19:01:45 +02:00
cls.rule2.signal = -7000
auto-t: add packet loss test to testPSK-roam A new test which blocks all data frames once connected, then tries to send 100 packets. This should result in the kernel sending a packet loss event to userspace, which IWD should react to and roam.
2022-08-10 01:04:28 +02:00
auto-t: update tests to use set_address/group_neighbors This reduces the big blocks of copied code with a few function calls.
2022-08-22 19:01:48 +02:00
cls.bss_hostapd[0].set_address('12:00:00:00:00:01')
cls.bss_hostapd[1].set_address('12:00:00:00:00:02')
HostapdCLI.group_neighbors(*cls.bss_hostapd)
autotests: Add FT roaming test and utility functions This tests the FT-PSK initial Mobility Domain authentication, neighbor reports, scanning on a subset of frequencies and FT transition.
2017-03-26 03:16:57 +02:00
@classmethod
def tearDownClass(cls):
IWD.clear_storage()
auto-t: release radio/hostapd instances from cls The cls object is part of the unittest framework and its lifespan is out of test-runner's control. Setting objects into the cls object sometimes keeps those objects around longer than desired. Its best to unset anything set in cls when the test is tore down.
2021-02-25 23:00:54 +01:00
cls.bss_hostapd = None
auto-t: roam test to simulate reported crash During investigation another separate crash was found. The original is caused by a disconnect event coming in after a neighbor report scan was completed (roam failed) during the full roam scan. The second crash is caused by a disconnect coming in during a full roam scan when no neighbor report scan was ever issued.
2022-01-19 23:26:52 +01:00
cls.rule0.enabled = False
cls.rule0.remove()
autotests: Add FT roaming test and utility functions This tests the FT-PSK initial Mobility Domain authentication, neighbor reports, scanning on a subset of frequencies and FT transition.
2017-03-26 03:16:57 +02:00
if __name__ == '__main__':
unittest.main(exit=True)
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