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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.abstract_devices.wlan_device import create_wlan_device
24from acts_contrib.test_utils.abstract_devices.wlan_device_lib.AbstractDeviceWlanDeviceBaseTest import AbstractDeviceWlanDeviceBaseTest
25
26
27class WlanMiscScenarioTest(AbstractDeviceWlanDeviceBaseTest):
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    def setup_class(self):
33        super().setup_class()
34        dut = self.user_params.get('dut', None)
35        if dut:
36            if dut == 'fuchsia_devices':
37                self.dut = create_wlan_device(self.fuchsia_devices[0])
38            elif dut == 'android_devices':
39                self.dut = create_wlan_device(self.android_devices[0])
40            else:
41                raise ValueError('Invalid DUT specified in config. (%s)' %
42                                 self.user_params['dut'])
43        else:
44            # Default is an Fuchsia device
45            self.dut = create_wlan_device(self.fuchsia_devices[0])
46        self.access_point = self.access_points[0]
47
48    def teardown_class(self):
49        self.dut.disconnect()
50        self.access_point.stop_all_aps()
51
52    def setup_test(self):
53        self.dut.disconnect()
54        self.access_point.stop_all_aps()
55
56    def on_fail(self, test_name, begin_time):
57        super().on_fail(test_name, begin_time)
58        self.access_point.stop_all_aps()
59
60    def on_exception(self, test_name, begin_time):
61        super().on_exception(test_name, begin_time)
62        self.dut.disconnect()
63        self.access_point.stop_all_aps()
64
65    def test_connect_to_wpa2_after_wpa3_rejection(self):
66        """Test association to non-WPA3 network after receiving a WPA3
67        rejection, which was triggering a firmware hang.
68
69        Bug: https://bugs.fuchsia.dev/p/fuchsia/issues/detail?id=71233
70        """
71        # Setup a WPA3 network
72        wpa3_ssid = utils.rand_ascii_str(hostapd_constants.AP_SSID_LENGTH_5G)
73        setup_ap(access_point=self.access_point,
74                 profile_name='whirlwind',
75                 channel=hostapd_constants.AP_DEFAULT_CHANNEL_5G,
76                 ssid=wpa3_ssid,
77                 security=Security(security_mode='wpa3',
78                                   password=generate_random_password('wpa3')))
79        # Attempt to associate with wrong password, expecting failure
80        self.log.info('Attempting to associate WPA3 with wrong password.')
81        asserts.assert_false(
82            self.dut.associate(wpa3_ssid,
83                               target_pwd='wrongpass',
84                               target_security='wpa3'),
85            'Associated with WPA3 network using the wrong password')
86
87        self.access_point.stop_all_aps()
88
89        # Setup a WPA2 Network
90        wpa2_ssid = utils.rand_ascii_str(hostapd_constants.AP_SSID_LENGTH_5G)
91        wpa2_password = generate_random_password('wpa2')
92        setup_ap(access_point=self.access_point,
93                 profile_name='whirlwind',
94                 channel=hostapd_constants.AP_DEFAULT_CHANNEL_5G,
95                 ssid=wpa2_ssid,
96                 security=Security(security_mode='wpa2',
97                                   password=wpa2_password))
98
99        # Attempt to associate, expecting success
100        self.log.info('Attempting to associate with WPA2 network.')
101        asserts.assert_true(
102            self.dut.associate(wpa2_ssid,
103                               target_pwd=wpa2_password,
104                               target_security='wpa2'),
105            'Failed to associate with WPA2 network after a WPA3 rejection.')
106