257 lines
8.8 KiB
Python
257 lines
8.8 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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from wiphy import wiphy_map
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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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wd = IWD()
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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()[0];
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# Check that iwd selects BSS 0 first
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rule0.signal = -2000
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rule1.signal = -2500
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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_networks = device.get_ordered_networks()
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self.assertEqual(len(ordered_networks), 1)
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ordered_network = ordered_networks[0]
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self.assertEqual(ordered_network.name, "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.connected'
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wd.wait_for_object_condition(ordered_network.network_object, condition)
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self.assertTrue(self.bss_hostapd[0].list_sta())
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self.assertFalse(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, 10)
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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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condition = 'obj.state != DeviceState.roaming'
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wd.wait_for_object_condition(device, condition, 5)
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self.assertEqual(device.state, iwd.DeviceState.connected)
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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 test_roam_on_beacon_loss(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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wd = IWD()
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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()[0];
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# Check that iwd selects BSS 0 first
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rule0.signal = -2000
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rule1.signal = -2500
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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_networks = device.get_ordered_networks()
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self.assertEqual(len(ordered_networks), 1)
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ordered_network = ordered_networks[0]
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self.assertEqual(ordered_network.name, "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.connected'
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wd.wait_for_object_condition(ordered_network.network_object, condition)
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self.assertTrue(self.bss_hostapd[0].list_sta())
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self.assertFalse(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 20 seconds
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# from a beacon loss event
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rule0.drop = True
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rule0.signal = -3000
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wd.wait(2)
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rule0.drop = False
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condition = 'obj.state == DeviceState.roaming'
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wd.wait_for_object_condition(device, condition, 20)
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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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condition = 'obj.state != DeviceState.roaming'
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wd.wait_for_object_condition(device, condition, 5)
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self.assertEqual(device.state, iwd.DeviceState.connected)
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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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wd = IWD()
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device = wd.list_devices()[0]
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try:
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device.disconnect()
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except:
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pass
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condition = 'obj.state == DeviceState.disconnected'
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wd.wait_for_object_condition(device, condition)
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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 = [None, None]
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cls.bss_radio = [None, None]
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for wname in wiphy_map:
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wiphy = wiphy_map[wname]
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intf = list(wiphy.values())[0]
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if intf.config and '1' in intf.config:
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bss_idx = 0
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elif intf.config and '2' in intf.config:
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bss_idx = 1
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else:
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continue
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for path in hwsim.radios:
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radio = hwsim.radios[path]
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if radio.name == wname:
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break
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cls.bss_hostapd[bss_idx] = HostapdCLI(intf)
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cls.bss_radio[bss_idx] = radio
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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[1].reload()
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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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if __name__ == '__main__':
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unittest.main(exit=True)
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