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iwd/autotests/testKnownNetworks/frequency_test.py
James Prestwood 1a79092383 auto-t: add test for known frequency sorting/maximum
Modify the existing frequency test to check that the ordering
lines up with the ranking of the BSS.

Add a test to check that quick scans limit the number of known
frequencies.
2024-01-29 20:45:32 -06:00

231 lines
7.0 KiB
Python

#!/usr/bin/python3
import unittest
import sys
sys.path.append('../util')
from iwd import IWD
from iwd import PSKAgent
from hwsim import Hwsim
import os
from configparser import ConfigParser
class Test(unittest.TestCase):
def connect_network(self, wd, device, network):
ordered_network = device.get_ordered_network(network, full_scan=True)
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)
device.disconnect()
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
def test_connection_success(self):
wd = self.wd
psk_agent = PSKAgent("secret123")
wd.register_psk_agent(psk_agent)
devices = wd.list_devices(1)
device = devices[0]
# Set the signals so that the 2.4GHz ranking will be higher
self.ssidccmp_2g_rule.signal = -2000
self.ssidccmp_5g_rule.signal = -8000
#
# Connect to the PSK network, then Hotspot so IWD creates 2 entries in
# the known frequency file.
#
self.connect_network(wd, device, 'ssidCCMP')
wd.unregister_psk_agent(psk_agent)
psk_agent = PSKAgent('abc', ('domain\\user', 'testpasswd'))
wd.register_psk_agent(psk_agent)
self.connect_network(wd, device, 'Hotspot')
wd.unregister_psk_agent(psk_agent)
psk_freqs = None
psk_uuid = None
hs20_freqs = None
hs20_uuid = None
config = ConfigParser()
config.read('/tmp/iwd/.known_network.freq')
for s in config.sections():
if os.path.basename(config[s]['name']) == 'ssidCCMP.psk':
psk_freqs = config[s]['list']
psk_freqs = psk_freqs.split(' ')
psk_uuid = s
elif os.path.basename(config[s]['name']) == 'example.conf':
hs20_freqs = config[s]['list']
hs20_freqs = hs20_freqs.split(' ')
hs20_uuid = s
#
# Verify the frequencies are what we expect
#
self.assertIsNotNone(psk_freqs)
self.assertIsNotNone(psk_uuid)
# The 2.4GHz frequency should come first, as it was ranked higher
self.assertEqual('2412', psk_freqs[0])
self.assertEqual('5180', psk_freqs[1])
self.assertIsNotNone(hs20_freqs)
self.assertIsNotNone(hs20_uuid)
self.assertIn('2412', hs20_freqs)
#
# Forget all know networks, this should remove all entries in the
# known frequencies file.
#
for n in wd.list_known_networks():
n.forget()
psk_agent = PSKAgent("secret123")
wd.register_psk_agent(psk_agent)
# Now set the signals so that the 5GHz ranking will be higher
self.ssidccmp_2g_rule.signal = -8000
self.ssidccmp_5g_rule.signal = -2000
#
# Reconnect, this should generate a completely new UUID since we
# previously forgot the network.
#
self.connect_network(wd, device, 'ssidCCMP')
wd.unregister_psk_agent(psk_agent)
#
# Ensure that a new UUID was created and that we still have the same
# frequencies listed.
#
psk_freqs = None
psk_uuid2 = None
hs20_freqs = None
config = ConfigParser()
config.read('/tmp/iwd/.known_network.freq')
for s in config.sections():
self.assertNotEqual(os.path.basename(config[s]['name']),
'example.conf')
if os.path.basename(config[s]['name']) == 'ssidCCMP.psk':
psk_freqs = config[s]['list']
psk_freqs = psk_freqs.split(' ')
psk_uuid2 = s
self.assertIsNotNone(psk_freqs)
self.assertIsNotNone(psk_uuid2)
self.assertNotEqual(psk_uuid, psk_uuid2)
# Now the 5GHz frequency should be first
self.assertEqual('5180', psk_freqs[0])
self.assertEqual('2412', psk_freqs[1])
def test_maximum_frequencies(self):
psk_agent = PSKAgent("secret123")
self.wd.register_psk_agent(psk_agent)
devices = self.wd.list_devices(1)
device = devices[0]
# Connect and generate a known frequencies file
self.connect_network(self.wd, device, 'ssidCCMP')
self.wd.unregister_psk_agent(psk_agent)
#
# Rewrite the known frequencies file to move the valid network
# frequencies to the end, past the maximum for a quick scan
#
config = ConfigParser()
config.read('/tmp/iwd/.known_network.freq')
for s in config.sections():
if os.path.basename(config[s]['name']) == 'ssidCCMP.psk':
config.set(s, 'list', "2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472 2484 2412 5180")
break
self.wd.stop()
with open('/tmp/iwd/.known_network.freq', 'w') as f:
config.write(f)
self.wd = IWD(True)
devices = self.wd.list_devices(1)
device = devices[0]
device.autoconnect = True
device.wait_for_event("autoconnect_quick")
condition = "obj.scanning == True"
self.wd.wait_for_object_condition(device, condition)
condition = "obj.scanning == False"
self.wd.wait_for_object_condition(device, condition)
#
# Check that the quick scan didn't return any results
#
with self.assertRaises(Exception):
device.get_ordered_network("ssidCCMP", scan_if_needed=False)
device.wait_for_event("autoconnect_full")
condition = "obj.scanning == True"
self.wd.wait_for_object_condition(device, condition)
condition = "obj.scanning == False"
self.wd.wait_for_object_condition(device, condition)
#
# The full scan should now see the network
#
device.get_ordered_network("ssidCCMP", scan_if_needed=False)
def setUp(self):
self.wd = IWD(True)
def tearDown(self):
self.wd.stop()
self.wd = None
@classmethod
def setUpClass(cls):
IWD.copy_to_hotspot('example.conf')
conf = '[General]\nDisableANQP=0\n'
os.system('echo "%s" > /tmp/main.conf' % conf)
hwsim = Hwsim()
cls.ssidccmp_2g_rule = hwsim.rules.create()
cls.ssidccmp_2g_rule.source = hwsim.get_radio('rad1').addresses[0]
cls.ssidccmp_2g_rule.enabled = True
cls.ssidccmp_5g_rule = hwsim.rules.create()
cls.ssidccmp_5g_rule.source = hwsim.get_radio('rad2').addresses[0]
cls.ssidccmp_5g_rule.enabled = True
@classmethod
def tearDownClass(cls):
IWD.clear_storage()
os.remove('/tmp/main.conf')
cls.ssidccmp_2g_rule.remove()
cls.ssidccmp_5g_rule.remove()
if __name__ == '__main__':
unittest.main(exit=True)