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iwd/autotests/testBSSBlacklist/temp_blacklist_test.py
James Prestwood 981892470a auto-t: test for temporary blacklist
The simplest way to test this was to create a new AP, where
max_num_sta=1. This only allows a single STA to connect to this AP.
We connect a device to this AP, then try and connect with another.
This results in hostapd failing with DENIED_NO_MORE_STAS, which will
cause a temporary blacklist. We can then disconnect both devices,
and reconnect the device that previously got denied. If it connects
then we know the blacklist only persisted for that earlier connection.
2019-03-01 13:13:19 -06:00

152 lines
4.0 KiB
Python

#!/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]
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
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 = -8000
rule1 = hwsim.rules.create()
rule1.source = bss_radio[1].addresses[0]
rule1.bidirectional = True
rule1.signal = -2500
rule2 = hwsim.rules.create()
rule2.source = bss_radio[2].addresses[0]
rule2.bidirectional = True
rule2.signal = -2000
wd = IWD(True, '/tmp')
psk_agent = PSKAgent("secret123")
wd.register_psk_agent(psk_agent)
dev1, dev2 = wd.list_devices(2)
condition = 'not obj.scanning'
wd.wait_for_object_condition(dev1, condition)
dev1.scan()
condition = 'not obj.scanning'
wd.wait_for_object_condition(dev1, condition)
ordered_network = dev1.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()
self.assertIn(dev1.address, bss_hostapd[2].list_sta())
# dev1 now connected, this should max out the first AP, causing the next
# connection to fail to this AP.
condition = 'not obj.scanning'
wd.wait_for_object_condition(dev2, condition)
dev2.scan()
condition = 'not obj.scanning'
wd.wait_for_object_condition(dev2, condition)
ordered_network = dev2.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()
# We should have temporarily blacklisted the first BSS, and connected
# to this one.
self.assertIn(dev2.address, bss_hostapd[1].list_sta())
# Now check that the first BSS is still not blacklisted. We can
# disconnect dev1, opening up the AP for more connections
dev1.disconnect()
dev2.disconnect()
condition = 'not obj.scanning'
wd.wait_for_object_condition(dev2, condition)
dev2.scan()
condition = 'not obj.scanning'
wd.wait_for_object_condition(dev2, condition)
ordered_network = dev2.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()
self.assertIn(dev2.address, bss_hostapd[2].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)