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mirror of https://git.kernel.org/pub/scm/network/wireless/iwd.git synced 2024-11-05 11:39:24 +01:00
iwd/autotests/testPSK-roam/connection_test.py
James Prestwood aaf1d91d51 auto-t: fix random testPSK-roam failure
This was caused by the unused hostapd instance running after being
re-enabled by mistake. This cause an additional scan result with the
same rank to be seen which would then be connected to by luck of the
draw.
2024-01-04 11:59:41 -06:00

186 lines
6.4 KiB
Python

#! /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
from hostapd import HostapdCLI
import testutil
class Test(unittest.TestCase):
def validate_connection(self, wd, over_ds=False, pkt_loss=False):
device = wd.list_devices(1)[0]
ordered_network = device.get_ordered_network('TestFT', full_scan=True)
self.assertEqual(ordered_network.type, NetworkType.psk)
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())
device.connect_bssid(self.bss_hostapd[0].bssid)
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
self.bss_hostapd[0].wait_for_event('AP-STA-CONNECTED %s' % device.address)
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(self.bss_hostapd[0].ifname, device.name)
self.assertRaises(Exception, testutil.test_ifaces_connected,
(self.bss_hostapd[1].ifname, device.name, True, True))
if over_ds:
self.rule0.enabled = True
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=60)
else:
device.roam(self.bss_hostapd[1].bssid)
# Check that iwd is on BSS 1 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)
if pkt_loss:
self.rule1.enabled = False
self.rule2.enabled = False
self.bss_hostapd[1].wait_for_event('AP-STA-CONNECTED %s' % device.address)
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(self.bss_hostapd[1].ifname, device.name)
self.assertRaises(Exception, testutil.test_ifaces_connected,
(self.bss_hostapd[0].ifname, device.name, True, True))
self.bss_hostapd[1].rekey(device.address)
device.roam(self.bss_hostapd[0].bssid)
# 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)
self.bss_hostapd[0].wait_for_event('AP-STA-CONNECTED %s' % device.address)
testutil.test_iface_operstate(device.name)
testutil.test_ifaces_connected(self.bss_hostapd[0].ifname, device.name)
self.assertRaises(Exception, testutil.test_ifaces_connected,
(self.bss_hostapd[1].ifname, device.name, True, True))
self.bss_hostapd[0].deauthenticate(device.address)
condition = 'obj.state == DeviceState.disconnected'
wd.wait_for_object_condition(device, condition)
def test_ft_psk(self):
self.validate_connection(self.wd)
def test_ft_psk_over_ds(self):
self.bss_hostapd[0].set_value('ft_over_ds', '1')
self.bss_hostapd[0].reload()
self.bss_hostapd[0].wait_for_event("AP-ENABLED")
self.bss_hostapd[1].set_value('ft_over_ds', '1')
self.bss_hostapd[1].reload()
self.bss_hostapd[1].wait_for_event("AP-ENABLED")
self.validate_connection(self.wd, over_ds=True)
def test_reassociate_psk(self):
self.bss_hostapd[0].set_value('wpa_key_mgmt', 'WPA-PSK')
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].reload()
self.bss_hostapd[1].wait_for_event("AP-ENABLED")
self.validate_connection(self.wd)
def test_roam_packet_loss(self):
self.validate_connection(self.wd, pkt_loss=True)
def tearDown(self):
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')
self.rule0.enabled = False
self.rule1.enabled = False
self.rule2.enabled = False
for hapd in self.bss_hostapd:
hapd.default()
self.wd.stop()
self.wd = None
def setUp(self):
self.wd = IWD(True)
@classmethod
def setUpClass(cls):
hwsim = Hwsim()
IWD.copy_to_storage('TestFT.psk')
cls.bss_hostapd = [ HostapdCLI(config='ft-psk-ccmp-1.conf'),
HostapdCLI(config='ft-psk-ccmp-2.conf') ]
unused = HostapdCLI(config='ft-psk-ccmp-3.conf')
unused.disable()
rad0 = hwsim.get_radio('rad0')
rad3 = hwsim.get_radio('rad3')
cls.rule0 = hwsim.rules.create()
cls.rule0.source = rad3.addresses[0]
cls.rule0.bidirectional = True
cls.rule0.signal = -2000
cls.rule0.prefix = 'b0'
cls.rule0.drop = True
cls.rule1 = hwsim.rules.create()
cls.rule1.source = rad3.addresses[0]
cls.rule1.prefix = '08'
cls.rule1.drop = True
cls.rule2 = hwsim.rules.create()
cls.rule2.source = rad0.addresses[0]
cls.rule2.signal = -7000
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)
@classmethod
def tearDownClass(cls):
IWD.clear_storage()
cls.bss_hostapd = None
cls.rule0.remove()
cls.rule1.remove()
cls.rule2.remove()
if __name__ == '__main__':
unittest.main(exit=True)