1 # Copyright (c) 2013 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import logging 6 7 from autotest_lib.client.common_lib import error 8 from autotest_lib.client.common_lib.cros.network import xmlrpc_datatypes 9 from autotest_lib.client.common_lib.cros.network import xmlrpc_security_types 10 from autotest_lib.server.cros.network import hostap_config 11 from autotest_lib.server.cros.network import wifi_cell_test_base 12 13 14 class network_WiFi_ProfileGUID(wifi_cell_test_base.WiFiCellTestBase): 15 """Test that we can connect to router configured in various ways.""" 16 version = 1 17 18 TEST_GUID = '01234' 19 TEST_PASSWORD0 = 'chromeos0' 20 TEST_PASSWORD1 = 'chromeos1' 21 TEST_PASSWORD2 = 'chromeos2' 22 SERVICE_PROPERTY_GUID = 'GUID' 23 STATE_TRANSITION_TIMEOUT_SECONDS = 15 24 25 26 def _assert_connection(self, ssid): 27 """Assert that shill connects to |ssid| after a scan. 28 29 @param ssid: string name of network we expect to connect to. 30 31 """ 32 # Request a scan, this should goad shill into action. 33 self.context.client.scan(frequencies=[], ssids=[]) 34 result = self.context.client.wait_for_service_states( 35 ssid, ['ready', 'online', 'portal'], 36 self.STATE_TRANSITION_TIMEOUT_SECONDS) 37 success, state, time = result 38 if not success: 39 logging.error('ERROR!') 40 raise error.TestFail('Failed to connect to %s in %f seconds (%r).' % 41 (ssid, time, state)) 42 43 44 def _assert_guid_value(self, ssid, expected_guid, expect_missing=False): 45 """Assert that a service's GUID field has a particular value. 46 47 @param ssid: string name of WiFi network corresponding to the service. 48 @param expected_guid: string expected value of the GUID on the service. 49 @param expect_missing: boolean True if we expect an empty GUID value. 50 51 """ 52 properties = self.context.client.shill.get_service_properties(ssid) 53 real_guid = properties.get(self.SERVICE_PROPERTY_GUID, '') 54 logging.debug('Got service properties: %r.', properties) 55 if expect_missing and real_guid: 56 raise error.TestFail('Expected GUID property to be missing.') 57 58 if not expect_missing and real_guid != expected_guid: 59 raise error.TestFail('Expected GUID value of %r, but got %r.' % 60 (expected_guid, real_guid)) 61 62 63 def run_once(self): 64 """Sets up a router, connects to it, pings it, and repeats.""" 65 CIPHER_CCMP = xmlrpc_security_types.WPAConfig.CIPHER_CCMP 66 WPA_MODE = xmlrpc_security_types.WPAConfig.MODE_PURE_WPA 67 get_ap_config = lambda ssid, password: hostap_config.HostapConfig( 68 ssid=ssid, channel=1, 69 security_config=xmlrpc_security_types.WPAConfig( 70 psk=password, 71 wpa_mode=WPA_MODE, 72 wpa_ciphers=[CIPHER_CCMP])) 73 get_client_config = lambda ap_config: \ 74 xmlrpc_datatypes.AssociationParameters( 75 ssid=self.context.router.get_ssid(), 76 security_config=ap_config.security_config, 77 guid=self.TEST_GUID, 78 autoconnect=True) 79 ap_config = get_ap_config(None, self.TEST_PASSWORD0) 80 self.context.configure(ap_config) 81 assoc_params = get_client_config(ap_config) 82 self.context.client.shill.configure_wifi_service(assoc_params) 83 self._assert_connection(assoc_params.ssid) 84 # Expect the GUID property to be set. 85 self._assert_guid_value(assoc_params.ssid, assoc_params.guid) 86 if not self.context.client.shill.delete_entries_for_ssid( 87 assoc_params.ssid): 88 raise error.TestFail('Failed to delete profile entry for %s' % 89 assoc_params.ssid) 90 91 # GUID property should be missing, since we don't have an entry. 92 self._assert_guid_value(assoc_params.ssid, assoc_params.guid, 93 expect_missing=True) 94 95 # Change the password on the AP, do everything again. 96 ap_config = get_ap_config(assoc_params.ssid, self.TEST_PASSWORD1) 97 self.context.configure(ap_config) 98 assoc_params = get_client_config(ap_config) 99 self.context.client.shill.configure_wifi_service(assoc_params) 100 self._assert_connection(assoc_params.ssid) 101 # Expect the GUID property to be set. 102 self._assert_guid_value(assoc_params.ssid, assoc_params.guid) 103 # Change the security configuration again. 104 ap_config = get_ap_config(assoc_params.ssid, self.TEST_PASSWORD2) 105 self.context.configure(ap_config) 106 # Connect again, but do so by configuring the existing entry. 107 # We'll address it by its GUID here. 108 if not self.context.client.shill.configure_service_by_guid( 109 xmlrpc_datatypes.ConfigureServiceParameters( 110 assoc_params.guid, autoconnect=True, 111 passphrase=self.TEST_PASSWORD2)): 112 raise error.TestFail('Failed to configure service by GUID.') 113 114 self._assert_connection(assoc_params.ssid) 115
