1#!/usr/bin/env python3
2#
3#   Copyright 2021 - The Android secure Source Project
4#
5#   Licensed under the Apache License, Version 2.0 (the "License");
6#   you may not use this file except in compliance with the License.
7#   You may obtain a copy of the License at
8#
9#       http://www.apache.org/licenses/LICENSE-2.0
10#
11#   Unless required by applicable law or agreed to in writing, software
12#   distributed under the License is distributed on an "AS IS" BASIS,
13#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14#   See the License for the specific language governing permissions and
15#   limitations under the License.
16
17from acts import asserts
18from acts import utils
19from acts.controllers.access_point import setup_ap
20from acts.controllers.ap_lib import hostapd_constants
21from acts.controllers.ap_lib.hostapd_utils import generate_random_password
22from acts.controllers.ap_lib.hostapd_security import Security
23from acts_contrib.test_utils.wifi.WifiBaseTest import WifiBaseTest
24from acts_contrib.test_utils.abstract_devices.wlan_device import create_wlan_device
25
26
27class WlanMiscScenarioTest(WifiBaseTest):
28    """Random scenario tests, usually to reproduce certain bugs, that do not
29    fit into a specific test category, but should still be run in CI to catch
30    regressions.
31    """
32
33    def setup_class(self):
34        super().setup_class()
35        dut = self.user_params.get('dut', None)
36        if dut:
37            if dut == 'fuchsia_devices':
38                self.dut = create_wlan_device(self.fuchsia_devices[0])
39            elif dut == 'android_devices':
40                self.dut = create_wlan_device(self.android_devices[0])
41            else:
42                raise ValueError('Invalid DUT specified in config. (%s)' %
43                                 self.user_params['dut'])
44        else:
45            # Default is an Fuchsia device
46            self.dut = create_wlan_device(self.fuchsia_devices[0])
47        self.access_point = self.access_points[0]
48
49    def teardown_class(self):
50        self.dut.disconnect()
51        self.access_point.stop_all_aps()
52
53    def teardown_test(self):
54        self.dut.disconnect()
55        self.download_ap_logs()
56        self.access_point.stop_all_aps()
57
58    def on_fail(self, test_name, begin_time):
59        super().on_fail(test_name, begin_time)
60        self.access_point.stop_all_aps()
61
62    def on_exception(self, test_name, begin_time):
63        super().on_exception(test_name, begin_time)
64        self.dut.disconnect()
65        self.access_point.stop_all_aps()
66
67    def test_connect_to_wpa2_after_wpa3_rejection(self):
68        """Test association to non-WPA3 network after receiving a WPA3
69        rejection, which was triggering a firmware hang.
70
71        Bug: https://bugs.fuchsia.dev/p/fuchsia/issues/detail?id=71233
72        """
73        # Setup a WPA3 network
74        wpa3_ssid = utils.rand_ascii_str(hostapd_constants.AP_SSID_LENGTH_5G)
75        setup_ap(access_point=self.access_point,
76                 profile_name='whirlwind',
77                 channel=hostapd_constants.AP_DEFAULT_CHANNEL_5G,
78                 ssid=wpa3_ssid,
79                 security=Security(security_mode='wpa3',
80                                   password=generate_random_password('wpa3')))
81        # Attempt to associate with wrong password, expecting failure
82        self.log.info('Attempting to associate WPA3 with wrong password.')
83        asserts.assert_false(
84            self.dut.associate(wpa3_ssid,
85                               target_pwd='wrongpass',
86                               target_security='wpa3'),
87            'Associated with WPA3 network using the wrong password')
88
89        self.access_point.stop_all_aps()
90
91        # Setup a WPA2 Network
92        wpa2_ssid = utils.rand_ascii_str(hostapd_constants.AP_SSID_LENGTH_5G)
93        wpa2_password = generate_random_password('wpa2')
94        setup_ap(access_point=self.access_point,
95                 profile_name='whirlwind',
96                 channel=hostapd_constants.AP_DEFAULT_CHANNEL_5G,
97                 ssid=wpa2_ssid,
98                 security=Security(security_mode='wpa2',
99                                   password=wpa2_password))
100
101        # Attempt to associate, expecting success
102        self.log.info('Attempting to associate with WPA2 network.')
103        asserts.assert_true(
104            self.dut.associate(wpa2_ssid,
105                               target_pwd=wpa2_password,
106                               target_security='wpa2'),
107            'Failed to associate with WPA2 network after a WPA3 rejection.')
108