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iwd/autotests/testBSSBlacklist/connection_test.py

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2019-01-29 21:36:13 +01:00
#!/usr/bin/python3
import unittest
import sys
sys.path.append('../util')
import iwd
from iwd import IWD
from iwd import PSKAgent
from iwd import NetworkType
from hostapd import HostapdCLI
from hostapd import hostapd_map
from wiphy import wiphy_map
from hwsim import Hwsim
import time
class Test(unittest.TestCase):
def test_connection_success(self):
hwsim = Hwsim()
bss_radio = [None, None, None]
bss_hostapd = [None, None, None]
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for wname in wiphy_map:
wiphy = wiphy_map[wname]
intf = list(wiphy.values())[0]
if intf.config and '1' in intf.config:
bss_idx = 0
elif intf.config and '2' in intf.config:
bss_idx = 1
elif intf.config and '3' in intf.config:
bss_idx = 2
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else:
continue
for path in hwsim.radios:
radio = hwsim.radios[path]
if radio.name == wname:
break
bss_radio[bss_idx] = radio
bss_hostapd[bss_idx] = HostapdCLI(intf)
rule0 = hwsim.rules.create()
rule0.source = bss_radio[0].addresses[0]
rule0.bidirectional = True
rule0.signal = -2000
rule1 = hwsim.rules.create()
rule1.source = bss_radio[1].addresses[0]
rule1.bidirectional = True
rule1.signal = -8000
rule2 = hwsim.rules.create()
rule2.source = bss_radio[2].addresses[0]
rule2.bidirectional = True
rule2.signal = -10000
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wd = IWD(True, '/tmp')
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("TestBlacklist")
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(wait=False)
# Have AP1 drop all packets, should result in a connection timeout
rule0.drop = True
# Note the time so later we don't sleep any longer than required
start = time.time()
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
# IWD should have attempted to connect to bss_hostapd[0], since its
# signal strength was highest. But since we dropped all packets this
# connect should fail, and the BSS should be blacklisted. Then we
# should automatically try the next BSS in the list, which is
# bss_hostapd[1]
self.assertNotIn(device.address, bss_hostapd[0].list_sta())
self.assertIn(device.address, bss_hostapd[1].list_sta())
rule0.drop = False
# Next try autoconnecting to a network with a blacklisted BSS. Since an
# explicit disconnect call would disable autoconnect we reset
# hostapd which will disconnect IWD.
bss_hostapd[1].reload()
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
# Now we wait... Autoconnect should take over
condition = 'obj.state == DeviceState.connecting'
wd.wait_for_object_condition(device, condition, 15)
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition, 15)
# Same as before, make sure we didn't connect to the blacklisted AP.
self.assertNotIn(device.address, bss_hostapd[0].list_sta())
self.assertIn(device.address, bss_hostapd[1].list_sta())
# Wait for the blacklist to expire (10 seconds)
elapsed = time.time() - start
if elapsed < 11:
time.sleep(11 - elapsed)
device.disconnect()
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("TestBlacklist")
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.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
self.assertIn(device.address, bss_hostapd[0].list_sta())
wd.unregister_psk_agent(psk_agent)
del wd
@classmethod
def setUpClass(cls):
IWD.copy_to_storage('main.conf')
@classmethod
def tearDownClass(cls):
IWD.clear_storage()
if __name__ == '__main__':
unittest.main(exit=True)