From 5abf54f2dc620192672d055d65949db6687e2177 Mon Sep 17 00:00:00 2001 From: James Prestwood Date: Fri, 5 Jan 2024 06:47:50 -0800 Subject: [PATCH] auto-t: add test for roaming + netconfig This test ensures IWD will continue to roam and restart netconfig if roam conditions are met prior to netconfig finishing. --- autotests/testNetconfigRoam/TestFT.psk | 2 + .../testNetconfigRoam/ft-psk-ccmp-1.conf | 41 +++++++++ .../testNetconfigRoam/ft-psk-ccmp-2.conf | 41 +++++++++ autotests/testNetconfigRoam/hw.conf | 8 ++ autotests/testNetconfigRoam/main.conf | 3 + .../testNetconfigRoam/netconfig_roam_test.py | 91 +++++++++++++++++++ 6 files changed, 186 insertions(+) create mode 100644 autotests/testNetconfigRoam/TestFT.psk create mode 100644 autotests/testNetconfigRoam/ft-psk-ccmp-1.conf create mode 100644 autotests/testNetconfigRoam/ft-psk-ccmp-2.conf create mode 100644 autotests/testNetconfigRoam/hw.conf create mode 100644 autotests/testNetconfigRoam/main.conf create mode 100644 autotests/testNetconfigRoam/netconfig_roam_test.py diff --git a/autotests/testNetconfigRoam/TestFT.psk b/autotests/testNetconfigRoam/TestFT.psk new file mode 100644 index 00000000..e82d1295 --- /dev/null +++ b/autotests/testNetconfigRoam/TestFT.psk @@ -0,0 +1,2 @@ +[Security] +Passphrase=EasilyGuessedPassword diff --git a/autotests/testNetconfigRoam/ft-psk-ccmp-1.conf b/autotests/testNetconfigRoam/ft-psk-ccmp-1.conf new file mode 100644 index 00000000..b46d1f27 --- /dev/null +++ b/autotests/testNetconfigRoam/ft-psk-ccmp-1.conf @@ -0,0 +1,41 @@ +hw_mode=g +channel=1 +ssid=TestFT +utf8_ssid=1 +ctrl_interface=/var/run/hostapd + +r1_key_holder=120000000001 +nas_identifier=dummy1 + +wpa=2 +# Can support WPA-PSK and FT-PSK (space separated list) and/or EAP at the same +# time but we want to force FT +wpa_key_mgmt=FT-PSK +wpa_pairwise=CCMP +wpa_passphrase=EasilyGuessedPassword +ieee80211w=1 +rsn_preauth=1 +rsn_preauth_interfaces=lo +disable_pmksa_caching=0 +# Allow PMK cache to be shared opportunistically among configured interfaces +# and BSSes (i.e., all configurations within a single hostapd process). +okc=1 +mobility_domain=1234 +reassociation_deadline=60000 +r0kh=12:00:00:00:00:01 dummy1 000102030405060708090a0b0c0d0e0f +r0kh=12:00:00:00:00:02 dummy2 000102030405060708090a0b0c0d0e0f +r1kh=12:00:00:00:00:01 00:00:00:00:00:01 000102030405060708090a0b0c0d0e0f +r1kh=12:00:00:00:00:02 00:00:00:00:00:02 000102030405060708090a0b0c0d0e0f +# Push mode only needed for 8021x, not PSK mode since msk already known +pmk_r1_push=0 +# Allow locally generated FT response so we don't have to configure push/pull +# between BSSes running as separate hostapd processes as in the test-runner +# case. Only works with FT-PSK, otherwise brctl needs to be installed and +# CONFIG_BRIDGE enabled in the kernel. +ft_psk_generate_local=1 +rkh_pull_timeout=50 +ft_over_ds=0 +ap_table_expiration_time=36000 +ap_table_max_size=10 +rrm_neighbor_report=1 +ocv=1 diff --git a/autotests/testNetconfigRoam/ft-psk-ccmp-2.conf b/autotests/testNetconfigRoam/ft-psk-ccmp-2.conf new file mode 100644 index 00000000..3e215457 --- /dev/null +++ b/autotests/testNetconfigRoam/ft-psk-ccmp-2.conf @@ -0,0 +1,41 @@ +hw_mode=g +channel=2 +ssid=TestFT +utf8_ssid=1 +ctrl_interface=/var/run/hostapd + +r1_key_holder=120000000002 +nas_identifier=dummy2 + +wpa=2 +# Can support WPA-PSK and FT-PSK (space separated list) and/or EAP at the same +# time but we want to force FT +wpa_key_mgmt=FT-PSK +wpa_pairwise=CCMP +wpa_passphrase=EasilyGuessedPassword +ieee80211w=1 +rsn_preauth=1 +rsn_preauth_interfaces=lo +disable_pmksa_caching=0 +# Allow PMK cache to be shared opportunistically among configured interfaces +# and BSSes (i.e., all configurations within a single hostapd process). +okc=1 +mobility_domain=1234 +reassociation_deadline=60000 +r0kh=12:00:00:00:00:01 dummy1 000102030405060708090a0b0c0d0e0f +r0kh=12:00:00:00:00:02 dummy2 000102030405060708090a0b0c0d0e0f +r1kh=12:00:00:00:00:01 00:00:00:00:00:01 000102030405060708090a0b0c0d0e0f +r1kh=12:00:00:00:00:02 00:00:00:00:00:02 000102030405060708090a0b0c0d0e0f +# Push mode only needed for 8021x, not PSK mode since msk already known +pmk_r1_push=0 +# Allow locally generated FT response so we don't have to configure push/pull +# between BSSes running as separate hostapd processes as in the test-runner +# case. Only works with FT-PSK, otherwise brctl needs to be installed and +# CONFIG_BRIDGE enabled in the kernel. +ft_psk_generate_local=1 +rkh_pull_timeout=50 +ft_over_ds=0 +ap_table_expiration_time=36000 +ap_table_max_size=10 +rrm_neighbor_report=1 +ocv=1 diff --git a/autotests/testNetconfigRoam/hw.conf b/autotests/testNetconfigRoam/hw.conf new file mode 100644 index 00000000..c2b35d6e --- /dev/null +++ b/autotests/testNetconfigRoam/hw.conf @@ -0,0 +1,8 @@ +[SETUP] +num_radios=3 +start_iwd=0 +hwsim_medium=yes + +[HOSTAPD] +rad0=ft-psk-ccmp-1.conf +rad1=ft-psk-ccmp-2.conf diff --git a/autotests/testNetconfigRoam/main.conf b/autotests/testNetconfigRoam/main.conf new file mode 100644 index 00000000..aedd4ebd --- /dev/null +++ b/autotests/testNetconfigRoam/main.conf @@ -0,0 +1,3 @@ +[General] +EnableNetworkConfiguration=true +RoamRetryInterval=1 diff --git a/autotests/testNetconfigRoam/netconfig_roam_test.py b/autotests/testNetconfigRoam/netconfig_roam_test.py new file mode 100644 index 00000000..63e5eabf --- /dev/null +++ b/autotests/testNetconfigRoam/netconfig_roam_test.py @@ -0,0 +1,91 @@ +#! /usr/bin/python3 + +import unittest +import sys, os + +sys.path.append('../util') +import iwd +from iwd import IWD +from iwd import PSKAgent +from iwd import NetworkType +from iwd import DeviceState +from hwsim import Hwsim +from hostapd import HostapdCLI +import testutil + +class Test(unittest.TestCase): + def test_roam_before_netconfig(self): + wd = IWD(True) + + device = wd.list_devices(1)[0] + device.get_ordered_network('TestFT', full_scan=True) + device.connect_bssid(self.bss_hostapd[1].bssid) + + self.bss_hostapd[1].wait_for_event(f'AP-STA-CONNECTED {device.address}') + device.wait_for_event("connecting (netconfig)") + + roam_to = 0 + roam_from = 1 + + # Roam back and forth, ensuring that the state transitions between + # roaming and connecting (netconfig). + for _ in range(0, 5): + self.rules[roam_to].signal = -2000 + self.rules[roam_from].signal = -8000 + + # Station should internally transition to roaming, but remain in a + # connecting state on DBus + device.wait_for_event("ft-roaming") + self.assertEqual(device.state, DeviceState.connecting) + + self.bss_hostapd[roam_to].wait_for_event(f'AP-STA-CONNECTED {device.address}') + device.wait_for_event("connecting (netconfig)") + + tmp = roam_from + roam_from = roam_to + roam_to = tmp + + self.bss_hostapd[roam_from].deauthenticate(device.address) + condition = 'obj.state == DeviceState.disconnected' + wd.wait_for_object_condition(device, condition) + + def tearDown(self): + os.system('ip link set "' + self.bss_hostapd[0].ifname + '" down') + os.system('ip link set "' + self.bss_hostapd[1].ifname + '" down') + os.system('ip link set "' + self.bss_hostapd[0].ifname + '" up') + os.system('ip link set "' + self.bss_hostapd[1].ifname + '" up') + + @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') ] + + rule0 = hwsim.rules.create() + rule0.source = cls.bss_hostapd[0].bssid + rule0.signal = -6000 + rule0.enabled = True + + rule1 = hwsim.rules.create() + rule1.source = cls.bss_hostapd[1].bssid + rule1.signal = -2000 + rule1.enabled = True + + cls.rules = [rule0, rule1] + + cls.bss_hostapd[0].set_address('12:00:00:00:00:01') + cls.bss_hostapd[1].set_address('12:00:00:00:00:02') + + HostapdCLI.group_neighbors(*cls.bss_hostapd) + + @classmethod + def tearDownClass(cls): + IWD.clear_storage() + cls.bss_hostapd = None + cls.rules = None + +if __name__ == '__main__': + unittest.main(exit=True)