mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-12-22 21:22:37 +01:00
563ecc63e8
This adds another radio so IWD hits the FT failure path after authentication to the first BSS fails. This causes a wiphy work item to be rescheduled which previously was unsafe.
136 lines
4.6 KiB
Python
136 lines
4.6 KiB
Python
#! /usr/bin/python3
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import unittest
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import os, sys
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sys.path.append('../util')
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from iwd import IWD
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from iwd import NetworkType, DeviceState
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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 connect(self, wd, device, hostapd):
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ordered_network = device.get_ordered_network('TestFT', full_scan=True)
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self.assertEqual(ordered_network.type, NetworkType.psk)
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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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device.connect_bssid(hostapd.bssid)
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condition = 'obj.state == DeviceState.connected'
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wd.wait_for_object_condition(device, condition)
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hostapd.wait_for_event('AP-STA-CONNECTED %s' % device.address)
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testutil.test_iface_operstate(device.name)
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testutil.test_ifaces_connected(hostapd.ifname, device.name)
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def verify_roam(self, wd, device, prev, new):
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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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new.wait_for_event('AP-STA-CONNECTED %s' % device.address)
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testutil.test_iface_operstate(device.name)
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testutil.test_ifaces_connected(new.ifname, device.name)
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self.assertRaises(Exception, testutil.test_ifaces_connected,
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(prev.ifname, device.name, True, True))
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# FT-over-Air failure, should stay connected
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def test_ft_over_air_failure(self):
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self.bss_hostapd[0].set_value('wpa_key_mgmt', 'FT-PSK')
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self.bss_hostapd[0].set_value('ft_over_ds', '0')
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self.bss_hostapd[0].reload()
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self.bss_hostapd[0].wait_for_event("AP-ENABLED")
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self.bss_hostapd[1].set_value('wpa_key_mgmt', 'FT-PSK')
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self.bss_hostapd[1].set_value('ft_over_ds', '0')
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self.bss_hostapd[1].reload()
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self.bss_hostapd[1].wait_for_event("AP-ENABLED")
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wd = IWD(True)
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device = wd.list_devices(1)[0]
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self.connect(wd, device, self.bss_hostapd[0])
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self.rule0.enabled = True
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# IWD should connect, then attempt a roam to BSS 1, which should fail...
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device.wait_for_event('ft-roam-failed', timeout=60)
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# ... but IWD should remain connected
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self.assertTrue(device.state == DeviceState.connected)
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self.rule0.enabled = False
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# IWD should then try BSS 2, and succeed
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self.verify_roam(wd, device, self.bss_hostapd[0], self.bss_hostapd[2])
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self.bss_hostapd[2].deauthenticate(device.address)
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condition = 'obj.state == DeviceState.disconnected'
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wd.wait_for_object_condition(device, condition)
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def tearDown(self):
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os.system('ip link set "' + self.bss_hostapd[0].ifname + '" down')
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os.system('ip link set "' + self.bss_hostapd[1].ifname + '" down')
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os.system('ip link set "' + self.bss_hostapd[0].ifname + '" up')
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os.system('ip link set "' + self.bss_hostapd[1].ifname + '" up')
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self.rule0.enabled = False
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self.rule1.enabled = False
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self.rule2.enabled = False
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@classmethod
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def setUpClass(cls):
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hwsim = Hwsim()
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IWD.copy_to_storage('TestFT.psk')
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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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HostapdCLI(config='ft-psk-ccmp-3.conf') ]
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cls.bss_hostapd[0].set_address('12:00:00:00:00:01')
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cls.bss_hostapd[1].set_address('12:00:00:00:00:02')
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cls.bss_hostapd[2].set_address('12:00:00:00:00:03')
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# Drop Authenticate frames
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cls.rule0 = hwsim.rules.create()
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cls.rule0.source = hwsim.get_radio('rad1').addresses[0]
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cls.rule0.prefix = 'b0'
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cls.rule0.drop = True
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# Drop Action frames
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cls.rule1 = hwsim.rules.create()
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cls.rule1.bidirectional = True
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cls.rule1.prefix = 'd0'
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cls.rule1.drop = True
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# Causes IWD to immediately roam away from BSS 0
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cls.rule2 = hwsim.rules.create()
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cls.rule2.source = hwsim.get_radio('rad0').addresses[0]
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cls.rule2.signal = -8000
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cls.rule2.enabled = True
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# Causes IWD to first prefer BSS 1 to roam, then BSS 2.
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cls.rule3 = hwsim.rules.create()
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cls.rule3.source = hwsim.get_radio('rad2').addresses[0]
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cls.rule3.signal = -7000
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cls.rule3.enabled = True
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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.rule0.remove()
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cls.rule1.remove()
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if __name__ == '__main__':
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unittest.main(exit=True)
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