auto-t: use connect_bssid/roam APIs in testFT-PSK-roam

This also adds FT-over-DS into this test, as well as a reassociation
test for good measure.

autotests/testFT-PSK-roam/TestFT.psk

@@ -0,0 +1,5 @@
+[Security]
+Passphrase=EasilyGuessedPassword
+
+[Settings]
+AutoConnect=False

autotests/testFT-PSK-roam/connection_test.py

@@ -13,31 +13,14 @@ from hostapd import HostapdCLI
 import testutil
 
 class Test(unittest.TestCase):
-    def test_roam_success(self):
-        hwsim = Hwsim()
-
-        rule0 = hwsim.rules.create()
-        rule0.source = self.bss_radio[0].addresses[0]
-        rule0.bidirectional = True
-
-        rule1 = hwsim.rules.create()
-        rule1.source = self.bss_radio[1].addresses[0]
-        rule1.bidirectional = True
-
-        # Check that iwd selects BSS 0 first
-        rule0.signal = -2000
-        rule1.signal = -2500
-
-        wd = IWD(True)
-
-        psk_agent = PSKAgent("EasilyGuessedPassword")
-        wd.register_psk_agent(psk_agent)
-
+    def validate_connection(self, wd, over_ds=False):
         device = wd.list_devices(1)[0]
 
         condition = 'not obj.scanning'
         wd.wait_for_object_condition(device, condition)
 
+        # Scanning is unavoidable in this case since several hostapd
+        # configurations are tested and changed mid-test
         device.scan()
 
         condition = 'obj.scanning'
@@ -49,7 +32,6 @@ class Test(unittest.TestCase):
         ordered_network = device.get_ordered_network('TestFT')
 
         self.assertEqual(ordered_network.type, NetworkType.psk)
-        self.assertEqual(ordered_network.signal_strength, -2000)
 
         condition = 'not obj.connected'
         wd.wait_for_object_condition(ordered_network.network_object, condition)
@@ -57,28 +39,27 @@ class Test(unittest.TestCase):
         self.assertFalse(self.bss_hostapd[0].list_sta())
         self.assertFalse(self.bss_hostapd[1].list_sta())
 
-        ordered_network.network_object.connect()
+        device.connect_bssid(self.bss_hostapd[0].bssid)
 
         condition = 'obj.state == DeviceState.connected'
         wd.wait_for_object_condition(device, condition)
 
         self.assertTrue(self.bss_hostapd[0].list_sta())
-        self.assertFalse(self.bss_hostapd[1].list_sta())
 
-        wd.unregister_psk_agent(psk_agent)
+        # list_sta actually reports any authenticated stations. Due to the
+        # nature of FT-over-DS IWD should authenticate to all stations with
+        # the same mobility domain. This means both APs should show our station.
+        if over_ds:
+            self.assertTrue(self.bss_hostapd[1].list_sta())
+        else:
+            self.assertFalse(self.bss_hostapd[1].list_sta())
 
         testutil.test_iface_operstate(device.name)
         testutil.test_ifaces_connected(self.bss_hostapd[0].ifname, device.name)
         self.assertRaises(Exception, testutil.test_ifaces_connected,
-                          (self.bss_hostapd[1].ifname, device.name))
+                          (self.bss_hostapd[1].ifname, device.name, True, True))
 
-        # Check that iwd starts transition to BSS 1 in less than 10 seconds.
-        # The 10 seconds is longer than needed to scan on just two channels
-        # but short enough that a full scan on the 2.4 + 5.8 bands supported
-        # by mac80211_hwsim will not finish.  If this times out then, but
-        # device_roam_trigger_cb has happened, it probably means that
-        # Neighbor Reports are broken.
-        rule0.signal = -8000
+        device.roam(self.bss_hostapd[1].bssid)
 
         condition = 'obj.state == DeviceState.roaming'
         wd.wait_for_object_condition(device, condition)
@@ -94,10 +75,9 @@ class Test(unittest.TestCase):
         testutil.test_iface_operstate(device.name)
         testutil.test_ifaces_connected(self.bss_hostapd[1].ifname, device.name)
         self.assertRaises(Exception, testutil.test_ifaces_connected,
-                          (self.bss_hostapd[0].ifname, device.name))
+                          (self.bss_hostapd[0].ifname, device.name, True, True))
 
-        rule0.signal = -2000
-        rule1.signal = -8000
+        device.roam(self.bss_hostapd[0].bssid)
 
         condition = 'obj.state == DeviceState.roaming'
         wd.wait_for_object_condition(device, condition)
@@ -113,7 +93,52 @@ class Test(unittest.TestCase):
         testutil.test_iface_operstate(device.name)
         testutil.test_ifaces_connected(self.bss_hostapd[0].ifname, device.name)
         self.assertRaises(Exception, testutil.test_ifaces_connected,
-                          (self.bss_hostapd[1].ifname, device.name))
+                          (self.bss_hostapd[1].ifname, device.name, True, True))
+
+    def test_ft_psk(self):
+        wd = IWD(True)
+
+        self.bss_hostapd[0].set_value('wpa_key_mgmt', 'FT-PSK')
+        self.bss_hostapd[0].set_value('ft_over_ds', '0')
+        self.bss_hostapd[0].reload()
+        self.bss_hostapd[0].wait_for_event("AP-ENABLED")
+
+        self.bss_hostapd[1].set_value('wpa_key_mgmt', 'FT-PSK')
+        self.bss_hostapd[1].set_value('ft_over_ds', '0')
+        self.bss_hostapd[1].reload()
+        self.bss_hostapd[1].wait_for_event("AP-ENABLED")
+
+        self.validate_connection(wd)
+
+    def test_ft_psk_over_ds(self):
+        wd = IWD(True)
+
+        self.bss_hostapd[0].set_value('wpa_key_mgmt', 'FT-PSK')
+        self.bss_hostapd[0].set_value('ft_over_ds', '1')
+        self.bss_hostapd[0].reload()
+        self.bss_hostapd[0].wait_for_event("AP-ENABLED")
+
+        self.bss_hostapd[1].set_value('wpa_key_mgmt', 'FT-PSK')
+        self.bss_hostapd[1].set_value('ft_over_ds', '1')
+        self.bss_hostapd[1].reload()
+        self.bss_hostapd[1].wait_for_event("AP-ENABLED")
+
+        self.validate_connection(wd, over_ds=True)
+
+    def test_reassociate_psk(self):
+        wd = IWD(True)
+
+        self.bss_hostapd[0].set_value('wpa_key_mgmt', 'WPA-PSK')
+        self.bss_hostapd[0].set_value('ft_over_ds', '0')
+        self.bss_hostapd[0].reload()
+        self.bss_hostapd[0].wait_for_event("AP-ENABLED")
+
+        self.bss_hostapd[1].set_value('wpa_key_mgmt', 'WPA-PSK')
+        self.bss_hostapd[1].set_value('ft_over_ds', '0')
+        self.bss_hostapd[1].reload()
+        self.bss_hostapd[1].wait_for_event("AP-ENABLED")
+
+        self.validate_connection(wd)
 
     def tearDown(self):
         os.system('ifconfig "' + self.bss_hostapd[0].ifname + '" down')
@@ -121,18 +146,12 @@ class Test(unittest.TestCase):
         os.system('ifconfig "' + self.bss_hostapd[0].ifname + '" up')
         os.system('ifconfig "' + self.bss_hostapd[1].ifname + '" up')
 
-        hwsim = Hwsim()
-        for rule in list(hwsim.rules.keys()):
-            del hwsim.rules[rule]
-
     @classmethod
     def setUpClass(cls):
-        hwsim = Hwsim()
+        IWD.copy_to_storage('TestFT.psk')
 
         cls.bss_hostapd = [ HostapdCLI(config='ft-psk-ccmp-1.conf'),
                             HostapdCLI(config='ft-psk-ccmp-2.conf') ]
-        cls.bss_radio =  [ hwsim.get_radio('rad0'),
-                           hwsim.get_radio('rad1') ]
 
         # Set interface addresses to those expected by hostapd config files
         os.system('ifconfig "' + cls.bss_hostapd[0].ifname +
@@ -159,7 +178,6 @@ class Test(unittest.TestCase):
     def tearDownClass(cls):
         IWD.clear_storage()
         cls.bss_hostapd = None
-        cls.bss_radio = None
 
 if __name__ == '__main__':
     unittest.main(exit=True)