mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-12-19 18:22:32 +01:00
253 lines
8.8 KiB
Python
253 lines
8.8 KiB
Python
#! /usr/bin/python3
|
|
|
|
import unittest
|
|
import os, sys
|
|
|
|
sys.path.append('../util')
|
|
from iwd import IWD
|
|
from iwd import NetworkType, DeviceState
|
|
from hwsim import Hwsim
|
|
from hostapd import HostapdCLI
|
|
import testutil
|
|
|
|
class Test(unittest.TestCase):
|
|
def connect(self, wd, device, hostapd):
|
|
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)
|
|
|
|
device.connect_bssid(hostapd.bssid)
|
|
|
|
condition = 'obj.state == DeviceState.connected'
|
|
wd.wait_for_object_condition(device, condition)
|
|
|
|
hostapd.wait_for_event('AP-STA-CONNECTED %s' % device.address)
|
|
|
|
testutil.test_iface_operstate(device.name)
|
|
testutil.test_ifaces_connected(hostapd.ifname, device.name)
|
|
|
|
def verify_roam(self, wd, device, prev, new):
|
|
from_condition = 'obj.state == DeviceState.roaming'
|
|
to_condition = 'obj.state == DeviceState.connected'
|
|
wd.wait_for_object_change(device, from_condition, to_condition)
|
|
|
|
new.wait_for_event('AP-STA-CONNECTED %s' % device.address)
|
|
|
|
testutil.test_iface_operstate(device.name)
|
|
testutil.test_ifaces_connected(new.ifname, device.name)
|
|
self.assertRaises(Exception, testutil.test_ifaces_connected,
|
|
(prev.ifname, device.name, True, True))
|
|
|
|
# FT-over-Air failure, should stay connected
|
|
def test_ft_over_air_failure(self):
|
|
self.rule2.enabled = True
|
|
self.rule3.enabled = True
|
|
|
|
device = self.wd.list_devices(1)[0]
|
|
|
|
self.connect(self.wd, device, self.bss_hostapd[0])
|
|
|
|
self.rule0.enabled = True
|
|
|
|
# IWD should connect, then attempt a roam to BSS 1, which should fail...
|
|
device.wait_for_event('ft-roam-failed', timeout=60)
|
|
# ... but IWD should remain connected
|
|
self.assertTrue(device.state == DeviceState.connected)
|
|
|
|
self.rule0.enabled = False
|
|
|
|
# IWD should then try BSS 2, and succeed
|
|
device.wait_for_event('ft-roaming', timeout=60)
|
|
self.verify_roam(self.wd, device, self.bss_hostapd[0], self.bss_hostapd[2])
|
|
|
|
self.bss_hostapd[2].deauthenticate(device.address)
|
|
|
|
# Tests that an associate even should cause a disconnect
|
|
def test_ft_over_air_assoc_timeout(self):
|
|
self.rule2.enabled = True
|
|
self.rule3.enabled = True
|
|
self.assoc_rule.enabled = True
|
|
|
|
device = self.wd.list_devices(1)[0]
|
|
|
|
self.connect(self.wd, device, self.bss_hostapd[0])
|
|
|
|
device.wait_for_event('ft-roaming', timeout=60)
|
|
|
|
condition = 'obj.state == DeviceState.disconnected'
|
|
self.wd.wait_for_object_condition(device, condition)
|
|
|
|
# FT-over-Air failure with Invalid PMKID, should reassociate
|
|
def test_ft_over_air_fallback(self):
|
|
self.rule_bss0.signal = -8000
|
|
self.rule_bss0.enabled = True
|
|
self.rule_bss1.signal = -7500
|
|
self.rule_bss1.enabled = True
|
|
self.rule_bss2.signal = -6000
|
|
self.rule_bss2.enabled = True
|
|
|
|
# This will cause this BSS to reject any FT roams as its unable to
|
|
# get keys from other APs
|
|
self.bss_hostapd[2].set_value('ft_psk_generate_local', '0')
|
|
self.bss_hostapd[2].reload()
|
|
|
|
device = self.wd.list_devices(1)[0]
|
|
|
|
self.connect(self.wd, device, self.bss_hostapd[0])
|
|
|
|
# IWD should connect, then attempt a roam to BSS 1, which should
|
|
# fail and cause a fallback to reassociation
|
|
device.wait_for_event('ft-fallback-to-reassoc', timeout=60)
|
|
device.wait_for_event('roaming', timeout=60)
|
|
|
|
self.verify_roam(self.wd, device, self.bss_hostapd[0], self.bss_hostapd[2])
|
|
|
|
# Trigger another roam
|
|
self.rule_bss2.signal = -8000
|
|
|
|
device.wait_for_event('ft-roaming', timeout=60)
|
|
|
|
# Ensure an FT roam back to a properly configured AP works.
|
|
self.verify_roam(self.wd, device, self.bss_hostapd[2], self.bss_hostapd[1])
|
|
|
|
self.bss_hostapd[1].deauthenticate(device.address)
|
|
condition = 'obj.state == DeviceState.disconnected'
|
|
self.wd.wait_for_object_condition(device, condition)
|
|
|
|
# FT-over-Air failure with Invalid PMKID. The ranking is such that other
|
|
# FT candidates are available so it should FT elsewhere rather than
|
|
# retry with reassociation
|
|
def test_ft_over_air_fallback_retry_ft(self):
|
|
self.rule_bss0.signal = -8000
|
|
self.rule_bss0.enabled = True
|
|
self.rule_bss1.signal = -7300
|
|
self.rule_bss1.enabled = True
|
|
self.rule_bss2.signal = -7100
|
|
self.rule_bss2.enabled = True
|
|
|
|
# This will cause this BSS to reject any FT roams as its unable to
|
|
# get keys from other APs
|
|
self.bss_hostapd[2].set_value('ft_psk_generate_local', '0')
|
|
self.bss_hostapd[2].reload()
|
|
|
|
device = self.wd.list_devices(1)[0]
|
|
|
|
self.connect(self.wd, device, self.bss_hostapd[0])
|
|
|
|
# IWD should connect, then attempt a roam to BSS 1, which should
|
|
# fail and cause the rank to be re-computed. This should then put
|
|
# bss 1 as the next candidate (since the FT factor is removed)
|
|
device.wait_for_event('ft-fallback-to-reassoc', timeout=60)
|
|
device.wait_for_event('ft-roaming', timeout=60)
|
|
|
|
self.verify_roam(self.wd, device, self.bss_hostapd[0], self.bss_hostapd[1])
|
|
|
|
self.bss_hostapd[1].deauthenticate(device.address)
|
|
condition = 'obj.state == DeviceState.disconnected'
|
|
self.wd.wait_for_object_condition(device, condition)
|
|
|
|
def test_ft_deauth_before_association(self):
|
|
self.rule2.enabled = True
|
|
self.rule3.enabled = True
|
|
|
|
device = self.wd.list_devices(1)[0]
|
|
|
|
self.connect(self.wd, device, self.bss_hostapd[0])
|
|
|
|
device.wait_for_event('ft-authenticating', timeout=60)
|
|
|
|
self.bss_hostapd[1].deauthenticate(device.address)
|
|
|
|
condition = 'obj.state == DeviceState.disconnected'
|
|
self.wd.wait_for_object_condition(device, condition)
|
|
|
|
def setUp(self):
|
|
self.wd = IWD(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
|
|
self.rule3.enabled = False
|
|
self.rule_bss0.enabled = False
|
|
self.rule_bss1.enabled = False
|
|
self.rule_bss2.enabled = False
|
|
self.assoc_rule.enabled = False
|
|
|
|
for hapd in self.bss_hostapd:
|
|
hapd.default()
|
|
|
|
self.wd.stop()
|
|
self.wd = None
|
|
|
|
@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'),
|
|
HostapdCLI(config='ft-psk-ccmp-3.conf') ]
|
|
|
|
cls.bss_hostapd[0].set_address('12:00:00:00:00:01')
|
|
cls.bss_hostapd[1].set_address('12:00:00:00:00:02')
|
|
cls.bss_hostapd[2].set_address('12:00:00:00:00:03')
|
|
|
|
# Drop Authenticate frames
|
|
cls.rule0 = hwsim.rules.create()
|
|
cls.rule0.source = hwsim.get_radio('rad1').addresses[0]
|
|
cls.rule0.prefix = 'b0'
|
|
cls.rule0.drop = True
|
|
|
|
# Drop Associate frames
|
|
cls.assoc_rule = hwsim.rules.create()
|
|
cls.assoc_rule.prefix = '20'
|
|
cls.assoc_rule.drop = True
|
|
|
|
# Drop Action frames
|
|
cls.rule1 = hwsim.rules.create()
|
|
cls.rule1.bidirectional = True
|
|
cls.rule1.prefix = 'd0'
|
|
cls.rule1.drop = True
|
|
|
|
# Causes IWD to immediately roam away from BSS 0
|
|
cls.rule2 = hwsim.rules.create()
|
|
cls.rule2.source = hwsim.get_radio('rad0').addresses[0]
|
|
cls.rule2.signal = -8000
|
|
|
|
# Causes IWD to first prefer BSS 1 to roam, then BSS 2.
|
|
cls.rule3 = hwsim.rules.create()
|
|
cls.rule3.source = hwsim.get_radio('rad2').addresses[0]
|
|
cls.rule3.signal = -7000
|
|
|
|
cls.rule_bss0 = hwsim.rules.create()
|
|
cls.rule_bss0.source = hwsim.get_radio('rad0').addresses[0]
|
|
cls.rule_bss1 = hwsim.rules.create()
|
|
cls.rule_bss1.source = hwsim.get_radio('rad1').addresses[0]
|
|
cls.rule_bss2 = hwsim.rules.create()
|
|
cls.rule_bss2.source = hwsim.get_radio('rad2').addresses[0]
|
|
|
|
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()
|
|
cls.rule3.remove()
|
|
cls.assoc_rule.remove()
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(exit=True)
|