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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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8d8ea67da1
These test cases depend on setting up the existing hostapd instance to a set of known addresses, which might be different from what test-runner sets. During this time, any scans might result in the old and the new addresses used by hostapd to be found in the scan results. Fix that by using start_iwd=0 which tells test_runner that the test wants to start iwd itself. This delays starting iwd until after the setUpClass routine has been called and hostapd configured properly. Also use more sensible rssi values for the 'non-preferred' bss. Otherwise, ranking BSSes by throughput can confuse the test logic since both BSSes are ranked the same and either can be picked by autoconnect.
152 lines
5.5 KiB
Python
152 lines
5.5 KiB
Python
#! /usr/bin/python3
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import unittest
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import sys, os
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sys.path.append('../util')
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import iwd
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from iwd import IWD
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from iwd import PSKAgent
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from iwd import NetworkType
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from hwsim import Hwsim
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from hostapd import HostapdCLI
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import testutil
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class Test(unittest.TestCase):
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def test_roam_success(self):
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hwsim = Hwsim()
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rule0 = hwsim.rules.create()
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rule0.source = self.bss_radio[0].addresses[0]
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rule0.bidirectional = True
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rule1 = hwsim.rules.create()
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rule1.source = self.bss_radio[1].addresses[0]
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rule1.bidirectional = True
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# Check that iwd selects BSS 0 first
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rule0.signal = -2000
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rule1.signal = -6900
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wd = IWD(True)
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psk_agent = PSKAgent("EasilyGuessedPassword")
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wd.register_psk_agent(psk_agent)
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device = wd.list_devices(1)[0]
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condition = 'not obj.scanning'
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wd.wait_for_object_condition(device, condition)
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device.scan()
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condition = 'obj.scanning'
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wd.wait_for_object_condition(device, condition)
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condition = 'not obj.scanning'
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wd.wait_for_object_condition(device, condition)
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ordered_network = device.get_ordered_network('TestFT')
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self.assertEqual(ordered_network.type, NetworkType.psk)
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self.assertEqual(ordered_network.signal_strength, -2000)
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condition = 'not obj.connected'
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wd.wait_for_object_condition(ordered_network.network_object, condition)
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self.assertFalse(self.bss_hostapd[0].list_sta())
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self.assertFalse(self.bss_hostapd[1].list_sta())
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ordered_network.network_object.connect()
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condition = 'obj.state == DeviceState.connected'
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wd.wait_for_object_condition(device, condition)
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self.bss_hostapd[0].wait_for_event('AP-STA-CONNECTED %s' % device.address)
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# list_sta actually reports any authenticated stations. Due to the
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# nature of FT-over-DS IWD should authenticate to all stations with
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# the same mobility domain. This means both APs should show our station.
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self.assertTrue(self.bss_hostapd[0].list_sta())
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self.assertTrue(self.bss_hostapd[1].list_sta())
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wd.unregister_psk_agent(psk_agent)
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testutil.test_iface_operstate(device.name)
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testutil.test_ifaces_connected(self.bss_hostapd[0].ifname, device.name)
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self.assertRaises(Exception, testutil.test_ifaces_connected,
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(self.bss_hostapd[1].ifname, device.name))
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# Check that iwd starts transition to BSS 1 in less than 10 seconds.
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# The 10 seconds is longer than needed to scan on just two channels
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# but short enough that a full scan on the 2.4 + 5.8 bands supported
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# by mac80211_hwsim will not finish. If this times out then, but
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# device_roam_trigger_cb has happened, it probably means that
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# Neighbor Reports are broken.
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rule0.signal = -8000
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condition = 'obj.state == DeviceState.roaming'
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wd.wait_for_object_condition(device, condition)
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# Check that iwd is on BSS 1 once out of roaming state and doesn't
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# go through 'disconnected', 'autoconnect', 'connecting' in between
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from_condition = 'obj.state == DeviceState.roaming'
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to_condition = 'obj.state == DeviceState.connected'
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wd.wait_for_object_change(device, from_condition, to_condition)
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self.assertTrue(self.bss_hostapd[1].list_sta())
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testutil.test_iface_operstate(device.name)
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testutil.test_ifaces_connected(self.bss_hostapd[1].ifname, device.name)
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self.assertRaises(Exception, testutil.test_ifaces_connected,
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(self.bss_hostapd[0].ifname, device.name))
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def tearDown(self):
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os.system('ifconfig "' + self.bss_hostapd[0].ifname + '" down')
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os.system('ifconfig "' + self.bss_hostapd[1].ifname + '" down')
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os.system('ifconfig "' + self.bss_hostapd[0].ifname + '" up')
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os.system('ifconfig "' + self.bss_hostapd[1].ifname + '" up')
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hwsim = Hwsim()
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for rule in list(hwsim.rules.keys()):
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del hwsim.rules[rule]
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@classmethod
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def setUpClass(cls):
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hwsim = Hwsim()
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cls.bss_hostapd = [ HostapdCLI(config='ft-psk-ccmp-1.conf'),
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HostapdCLI(config='ft-psk-ccmp-2.conf') ]
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cls.bss_radio = [ hwsim.get_radio('rad0'),
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hwsim.get_radio('rad1') ]
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# Set interface addresses to those expected by hostapd config files
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os.system('ifconfig "' + cls.bss_hostapd[0].ifname +
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'" down hw ether 12:00:00:00:00:01 up')
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os.system('ifconfig "' + cls.bss_hostapd[1].ifname +
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'" down hw ether 12:00:00:00:00:02 up')
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cls.bss_hostapd[0].reload()
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cls.bss_hostapd[0].wait_for_event("AP-ENABLED")
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cls.bss_hostapd[1].reload()
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cls.bss_hostapd[1].wait_for_event("AP-ENABLED")
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# Fill in the neighbor AP tables in both BSSes. By default each
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# instance knows only about current BSS, even inside one hostapd
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# process.
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# FT still works without the neighbor AP table but neighbor reports
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# have to be disabled in the .conf files
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cls.bss_hostapd[0].set_neighbor('12:00:00:00:00:02', 'TestFT',
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'1200000000028f0000005102060603000000')
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cls.bss_hostapd[1].set_neighbor('12:00:00:00:00:01', 'TestFT',
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'1200000000018f0000005101060603000000')
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@classmethod
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def tearDownClass(cls):
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IWD.clear_storage()
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cls.bss_hostapd = None
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cls.bss_radio = None
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if __name__ == '__main__':
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unittest.main(exit=True)
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