def test_roam_success(self): hwsim = Hwsim() rule0 = hwsim.rules.create() rule0.source = self.bss_radio[0].addresses[0] rule0.bidirectional = True rule1 = hwsim.rules.create() rule1.source = self.bss_radio[1].addresses[0] rule1.bidirectional = True wd = IWD() psk_agent = PSKAgent('*****@*****.**', ('*****@*****.**', 'secret123')) wd.register_psk_agent(psk_agent) device = wd.list_devices(1)[0] # Check that iwd selects BSS 0 first rule0.signal = -2000 rule1.signal = -2500 condition = 'not obj.scanning' wd.wait_for_object_condition(device, condition) device.scan() condition = 'obj.scanning' wd.wait_for_object_condition(device, condition) condition = 'not obj.scanning' wd.wait_for_object_condition(device, condition) ordered_network = device.get_ordered_network('TestFT') self.assertEqual(ordered_network.type, NetworkType.eap) self.assertEqual(ordered_network.signal_strength, -2000) 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()) ordered_network.network_object.connect() condition = 'obj.state == DeviceState.connected' wd.wait_for_object_condition(device, condition) self.assertTrue(self.bss_hostapd[0].list_sta()) self.assertFalse(self.bss_hostapd[1].list_sta()) 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)) device.disconnect() condition = 'not obj.connected' wd.wait_for_object_condition(ordered_network.network_object, condition) ordered_network = device.get_ordered_network('TestFT') self.assertEqual(ordered_network.type, NetworkType.eap) condition = 'not obj.connected' wd.wait_for_object_condition(ordered_network.network_object, condition) ordered_network.network_object.connect() condition = 'obj.state == DeviceState.connected' wd.wait_for_object_condition(device, condition) self.assertTrue(self.bss_hostapd[0].list_sta()) self.assertFalse(self.bss_hostapd[1].list_sta()) 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)) # Check that iwd starts transition to BSS 1 in less than 10 seconds. # The 10 seconds is longer than needed to scan on just two channels # but short enough that a full scan on the 2.4 + 5.8 bands supported # by mac80211_hwsim will not finish. If this times out then, but # device_roam_trigger_cb has happened, it probably means that # Neighbor Reports are broken. rule0.signal = -8000 condition = 'obj.state == DeviceState.roaming' wd.wait_for_object_condition(device, condition) # 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) self.assertTrue(self.bss_hostapd[1].list_sta()) 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))
def test_stop_retry(self): hwsim = Hwsim() bss_hostapd = [ HostapdCLI(config='ssid1.conf'), HostapdCLI(config='ssid2.conf') ] bss_radio = [hwsim.get_radio('rad0'), hwsim.get_radio('rad1')] rule0 = hwsim.rules.create() rule0.source = bss_radio[0].addresses[0] rule0.bidirectional = True rule1 = hwsim.rules.create() rule1.source = bss_radio[1].addresses[0] rule1.bidirectional = True # Fill in the neighbor AP tables in both BSSes. By default each # instance knows only about current BSS, even inside one hostapd # process. # Roaming still works without the neighbor AP table but neighbor # reports have to be disabled in the .conf files bss0_nr = ''.join(bss_radio[0].addresses[0].split(':')) + \ '8f0000005101060603000000' bss1_nr = ''.join(bss_radio[1].addresses[0].split(':')) + \ '8f0000005102060603000000' bss_hostapd[0].set_neighbor(bss_radio[1].addresses[0], 'TestRoamRetry', bss1_nr) bss_hostapd[1].set_neighbor(bss_radio[0].addresses[0], 'TestRoamRetry', bss0_nr) # Start in the vicinity of BSS 0, check that iwd connects to BSS 0 rule0.signal = -2000 rule1.signal = -5000 wd = IWD() psk_agent = PSKAgent("secret123") wd.register_psk_agent(psk_agent) devices = wd.list_devices(1) device = devices[0] condition = 'not obj.scanning' wd.wait_for_object_condition(device, condition) device.scan() condition = 'not obj.scanning' wd.wait_for_object_condition(device, condition) ordered_network = device.get_ordered_network('TestRoamRetry') self.assertEqual(ordered_network.type, NetworkType.psk) condition = 'not obj.connected' wd.wait_for_object_condition(ordered_network.network_object, condition) ordered_network.network_object.connect() condition = 'obj.state == DeviceState.connected' wd.wait_for_object_condition(device, condition) self.assertTrue(bss_hostapd[0].list_sta()) self.assertFalse(bss_hostapd[1].list_sta()) # Now push the signal below the RSSI threshold and check that iwd # connects to BSS 1 rule0.signal = -8000 condition = 'obj.state == DeviceState.roaming' wd.wait_for_object_condition(device, condition) # 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) self.assertTrue(bss_hostapd[1].list_sta()) # Now make sure that we don't roam anymore. In order to catch this via # DeviceState, a suitable roaming target needs to be available. So jack # up the RSSI of BSS 0 again. The retry interval is 60 seconds, so we # should have roamed within that timeframe. Wait just a little longer # to account for the slowness of the autotest environment. rule0.signal = -2000 condition = 'obj.state == DeviceState.roaming' self.assertRaises(TimeoutError, wd.wait_for_object_condition, device, condition, max_wait=70) device.disconnect() condition = 'not obj.connected' wd.wait_for_object_condition(ordered_network.network_object, condition) wd.unregister_psk_agent(psk_agent) rule0.remove() rule1.remove()
def test_preauth_success(self): hwsim = Hwsim() bss_hostapd = [ HostapdCLI(config='eaptls-preauth-1.conf'), HostapdCLI(config='eaptls-preauth-2.conf') ] bss_radio = [hwsim.get_radio('rad0'), hwsim.get_radio('rad1')] rule0 = hwsim.rules.create() rule0.source = bss_radio[0].addresses[0] rule0.bidirectional = True rule1 = hwsim.rules.create() rule1.source = bss_radio[1].addresses[0] rule1.bidirectional = True # Fill in the neighbor AP tables in both BSSes. By default each # instance knows only about current BSS, even inside one hostapd # process. # Roaming still works without the neighbor AP table but neighbor # reports have to be disabled in the .conf files bss0_nr = ''.join(bss_radio[0].addresses[0].split(':')) + \ '8f0000005101060603000000' bss1_nr = ''.join(bss_radio[1].addresses[0].split(':')) + \ '8f0000005102060603000000' bss_hostapd[0].set_neighbor(bss_radio[1].addresses[0], 'TestPreauth', bss1_nr) bss_hostapd[1].set_neighbor(bss_radio[0].addresses[0], 'TestPreauth', bss0_nr) # Check that iwd selects BSS 0 first rule0.signal = -2500 rule1.signal = -6900 wd = IWD(True) device = wd.list_devices(1)[0] condition = 'not obj.scanning' wd.wait_for_object_condition(device, condition) device.scan() condition = 'obj.scanning' wd.wait_for_object_condition(device, condition) condition = 'not obj.scanning' wd.wait_for_object_condition(device, condition) ordered_network = device.get_ordered_network('TestPreauth') self.assertEqual(ordered_network.type, NetworkType.eap) self.assertEqual(ordered_network.signal_strength, -2500) condition = 'not obj.connected' wd.wait_for_object_condition(ordered_network.network_object, condition) self.assertFalse(bss_hostapd[0].list_sta()) self.assertFalse(bss_hostapd[1].list_sta()) ordered_network.network_object.connect() condition = 'obj.state == DeviceState.connected' wd.wait_for_object_condition(device, condition) self.assertTrue(bss_hostapd[0].list_sta()) self.assertFalse(bss_hostapd[1].list_sta()) testutil.test_iface_operstate(device.name) testutil.test_ifaces_connected(bss_hostapd[0].ifname, device.name) self.assertRaises(Exception, testutil.test_ifaces_connected, bss_hostapd[1].ifname, device.name) # Check that iwd starts transition to BSS 1 in less than 15 seconds rule0.signal = -8000 condition = 'obj.state == DeviceState.roaming' wd.wait_for_object_condition(device, condition) # TODO: verify that the PMK from preauthentication was used # 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) self.assertTrue(bss_hostapd[1].list_sta()) testutil.test_iface_operstate(device.name) testutil.test_ifaces_connected(bss_hostapd[1].ifname, device.name) self.assertRaises(Exception, testutil.test_ifaces_connected, (bss_hostapd[0].ifname, device.name)) device.disconnect() condition = 'not obj.connected' wd.wait_for_object_condition(ordered_network.network_object, condition)
def test_fast_retry(self): hwsim = Hwsim() bss_hostapd = [ HostapdCLI(config='ssid1.conf'), HostapdCLI(config='ssid2.conf') ] bss_radio = [hwsim.get_radio('rad0'), hwsim.get_radio('rad1')] rule0 = hwsim.rules.create() rule0.source = bss_radio[0].addresses[0] rule0.bidirectional = True rule1 = hwsim.rules.create() rule1.source = bss_radio[1].addresses[0] rule1.bidirectional = True # Fill in the neighbor AP tables in both BSSes. By default each # instance knows only about current BSS, even inside one hostapd # process. # Roaming still works without the neighbor AP table but neighbor # reports have to be disabled in the .conf files bss0_nr = ''.join(bss_radio[0].addresses[0].split(':')) + \ '8f0000005101060603000000' bss1_nr = ''.join(bss_radio[1].addresses[0].split(':')) + \ '8f0000005102060603000000' bss_hostapd[0].set_neighbor(bss_radio[1].addresses[0], 'TestRoamRetry', bss1_nr) bss_hostapd[1].set_neighbor(bss_radio[0].addresses[0], 'TestRoamRetry', bss0_nr) # Start in the vicinity of BSS 0, check that iwd connects to BSS 0 rule0.signal = -2000 rule1.signal = -8500 wd = IWD() psk_agent = PSKAgent("secret123") wd.register_psk_agent(psk_agent) devices = wd.list_devices(1) device = devices[0] condition = 'not obj.scanning' wd.wait_for_object_condition(device, condition) device.scan() condition = 'not obj.scanning' wd.wait_for_object_condition(device, condition) ordered_network = device.get_ordered_network('TestRoamRetry') self.assertEqual(ordered_network.type, NetworkType.psk) condition = 'not obj.connected' wd.wait_for_object_condition(ordered_network.network_object, condition) ordered_network.network_object.connect() condition = 'obj.state == DeviceState.connected' wd.wait_for_object_condition(device, condition) self.assertTrue(bss_hostapd[0].list_sta()) self.assertFalse(bss_hostapd[1].list_sta()) wd.wait(5) # Now push the signal LOW, wait for iwd to attempt a roam, fail, and # schedule another attempt for 60 seconds later rule0.signal = -8000 wd.wait(20) self.assertEqual(device.state, iwd.DeviceState.connected) self.assertTrue(bss_hostapd[0].list_sta()) self.assertFalse(bss_hostapd[1].list_sta()) testutil.test_iface_operstate(device.name) testutil.test_ifaces_connected(bss_hostapd[0].ifname, device.name) # Assert high signal for BSS 0 again. This clears the way for a faster # roam attempt on LOW again rule0.signal = -5000 # Wait a little for signal recognition wd.wait(1) # Assert low signal for BSS 0, check that iwd starts transition to BSS 1 # in less than 10 seconds. Because of the neighbor report a scan should # not be necessary. rule0.signal = -8000 rule1.signal = -2000 condition = 'obj.state == DeviceState.roaming' wd.wait_for_object_condition(device, condition, max_wait=10) # 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) self.assertTrue(bss_hostapd[1].list_sta()) device.disconnect() condition = 'not obj.connected' wd.wait_for_object_condition(ordered_network.network_object, condition) wd.unregister_psk_agent(psk_agent) rule0.remove() rule1.remove()
def test_roam_success(self): hwsim = Hwsim() rule0 = hwsim.rules.create() rule0.source = self.bss_radio[0].addresses[0] rule0.bidirectional = True rule1 = hwsim.rules.create() rule1.source = self.bss_radio[1].addresses[0] rule1.bidirectional = True # Check that iwd selects BSS 0 first rule0.signal = -2000 rule1.signal = -6900 wd = IWD(True) psk_agent = PSKAgent("EasilyGuessedPassword") wd.register_psk_agent(psk_agent) device = wd.list_devices(1)[0] condition = 'not obj.scanning' wd.wait_for_object_condition(device, condition) device.scan() condition = 'obj.scanning' wd.wait_for_object_condition(device, condition) condition = 'not obj.scanning' wd.wait_for_object_condition(device, condition) ordered_network = device.get_ordered_network('TestFT') self.assertEqual(ordered_network.type, NetworkType.psk) self.assertEqual(ordered_network.signal_strength, -2000) 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()) ordered_network.network_object.connect() 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) # list_sta actually reports any authenticated stations. Due to the # nature of FT-over-DS IWD should authenticate to all stations with # the same mobility domain. This means both APs should show our station. self.assertTrue(self.bss_hostapd[0].list_sta()) self.assertTrue(self.bss_hostapd[1].list_sta()) wd.unregister_psk_agent(psk_agent) 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)) # Check that iwd starts transition to BSS 1 in less than 10 seconds. # The 10 seconds is longer than needed to scan on just two channels # but short enough that a full scan on the 2.4 + 5.8 bands supported # by mac80211_hwsim will not finish. If this times out then, but # device_roam_trigger_cb has happened, it probably means that # Neighbor Reports are broken. rule0.signal = -8000 condition = 'obj.state == DeviceState.roaming' wd.wait_for_object_condition(device, condition) # 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) self.assertTrue(self.bss_hostapd[1].list_sta()) 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))