| # Open mode AP tests |
| # Copyright (c) 2014, Qualcomm Atheros, Inc. |
| # |
| # This software may be distributed under the terms of the BSD license. |
| # See README for more details. |
| |
| import logging |
| logger = logging.getLogger() |
| import struct |
| import subprocess |
| import time |
| import os |
| |
| import hostapd |
| import hwsim_utils |
| from tshark import run_tshark |
| from utils import alloc_fail |
| from wpasupplicant import WpaSupplicant |
| |
| def test_ap_open(dev, apdev): |
| """AP with open mode (no security) configuration""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412", |
| bg_scan_period="0") |
| ev = hapd.wait_event([ "AP-STA-CONNECTED" ], timeout=5) |
| if ev is None: |
| raise Exception("No connection event received from hostapd") |
| hwsim_utils.test_connectivity(dev[0], hapd) |
| |
| dev[0].request("DISCONNECT") |
| ev = hapd.wait_event([ "AP-STA-DISCONNECTED" ], timeout=5) |
| if ev is None: |
| raise Exception("No disconnection event received from hostapd") |
| |
| def test_ap_open_packet_loss(dev, apdev): |
| """AP with open mode configuration and large packet loss""" |
| params = { "ssid": "open", |
| "ignore_probe_probability": "0.5", |
| "ignore_auth_probability": "0.5", |
| "ignore_assoc_probability": "0.5", |
| "ignore_reassoc_probability": "0.5" } |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| for i in range(0, 3): |
| dev[i].connect("open", key_mgmt="NONE", scan_freq="2412", |
| wait_connect=False) |
| for i in range(0, 3): |
| dev[i].wait_connected(timeout=20) |
| |
| def test_ap_open_unknown_action(dev, apdev): |
| """AP with open mode configuration and unknown Action frame""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412") |
| bssid = apdev[0]['bssid'] |
| cmd = "MGMT_TX {} {} freq=2412 action=765432".format(bssid, bssid) |
| if "FAIL" in dev[0].request(cmd): |
| raise Exception("Could not send test Action frame") |
| ev = dev[0].wait_event(["MGMT-TX-STATUS"], timeout=10) |
| if ev is None: |
| raise Exception("Timeout on MGMT-TX-STATUS") |
| if "result=SUCCESS" not in ev: |
| raise Exception("AP did not ack Action frame") |
| |
| def test_ap_open_reconnect_on_inactivity_disconnect(dev, apdev): |
| """Reconnect to open mode AP after inactivity related disconnection""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412") |
| hapd.request("DEAUTHENTICATE " + dev[0].p2p_interface_addr() + " reason=4") |
| dev[0].wait_disconnected(timeout=5) |
| dev[0].wait_connected(timeout=2, error="Timeout on reconnection") |
| |
| def test_ap_open_assoc_timeout(dev, apdev): |
| """AP timing out association""" |
| ssid = "test" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| dev[0].scan(freq="2412") |
| hapd.set("ext_mgmt_frame_handling", "1") |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412", |
| wait_connect=False) |
| for i in range(0, 10): |
| req = hapd.mgmt_rx() |
| if req is None: |
| raise Exception("MGMT RX wait timed out") |
| if req['subtype'] == 11: |
| break |
| req = None |
| if not req: |
| raise Exception("Authentication frame not received") |
| |
| resp = {} |
| resp['fc'] = req['fc'] |
| resp['da'] = req['sa'] |
| resp['sa'] = req['da'] |
| resp['bssid'] = req['bssid'] |
| resp['payload'] = struct.pack('<HHH', 0, 2, 0) |
| hapd.mgmt_tx(resp) |
| |
| assoc = 0 |
| for i in range(0, 10): |
| req = hapd.mgmt_rx() |
| if req is None: |
| raise Exception("MGMT RX wait timed out") |
| if req['subtype'] == 0: |
| assoc += 1 |
| if assoc == 3: |
| break |
| if assoc != 3: |
| raise Exception("Association Request frames not received: assoc=%d" % assoc) |
| hapd.set("ext_mgmt_frame_handling", "0") |
| dev[0].wait_connected(timeout=15) |
| |
| def test_ap_open_id_str(dev, apdev): |
| """AP with open mode and id_str""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412", id_str="foo", |
| wait_connect=False) |
| ev = dev[0].wait_connected(timeout=10) |
| if "id_str=foo" not in ev: |
| raise Exception("CTRL-EVENT-CONNECT did not have matching id_str: " + ev) |
| if dev[0].get_status_field("id_str") != "foo": |
| raise Exception("id_str mismatch") |
| |
| def test_ap_open_select_any(dev, apdev): |
| """AP with open mode and select any network""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| id = dev[0].connect("unknown", key_mgmt="NONE", scan_freq="2412", |
| only_add_network=True) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412", |
| only_add_network=True) |
| dev[0].select_network(id) |
| ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1) |
| if ev is not None: |
| raise Exception("Unexpected connection") |
| |
| dev[0].select_network("any") |
| dev[0].wait_connected(timeout=10) |
| |
| def test_ap_open_unexpected_assoc_event(dev, apdev): |
| """AP with open mode and unexpected association event""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412") |
| dev[0].request("DISCONNECT") |
| dev[0].wait_disconnected(timeout=15) |
| dev[0].dump_monitor() |
| # This will be accepted due to matching network |
| subprocess.call(['iw', 'dev', dev[0].ifname, 'connect', 'open', "2412", |
| apdev[0]['bssid']]) |
| dev[0].wait_connected(timeout=15) |
| dev[0].dump_monitor() |
| |
| dev[0].request("REMOVE_NETWORK all") |
| dev[0].wait_disconnected(timeout=5) |
| dev[0].dump_monitor() |
| # This will result in disconnection due to no matching network |
| subprocess.call(['iw', 'dev', dev[0].ifname, 'connect', 'open', "2412", |
| apdev[0]['bssid']]) |
| dev[0].wait_disconnected(timeout=15) |
| |
| def test_ap_bss_load(dev, apdev): |
| """AP with open mode (no security) configuration""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], |
| { "ssid": "open", |
| "bss_load_update_period": "10" }) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412") |
| # this does not really get much useful output with mac80211_hwsim currently, |
| # but run through the channel survey update couple of times |
| for i in range(0, 10): |
| hwsim_utils.test_connectivity(dev[0], hapd) |
| hwsim_utils.test_connectivity(dev[0], hapd) |
| hwsim_utils.test_connectivity(dev[0], hapd) |
| time.sleep(0.15) |
| |
| def hapd_out_of_mem(hapd, apdev, count, func): |
| with alloc_fail(hapd, count, func): |
| started = False |
| try: |
| hostapd.add_ap(apdev['ifname'], { "ssid": "open" }) |
| started = True |
| except: |
| pass |
| if started: |
| raise Exception("hostapd interface started even with memory allocation failure: " + arg) |
| |
| def test_ap_open_out_of_memory(dev, apdev): |
| """hostapd failing to setup interface due to allocation failure""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| hapd_out_of_mem(hapd, apdev[1], 1, "hostapd_alloc_bss_data") |
| |
| for i in range(1, 3): |
| hapd_out_of_mem(hapd, apdev[1], i, "hostapd_iface_alloc") |
| |
| for i in range(1, 5): |
| hapd_out_of_mem(hapd, apdev[1], i, "hostapd_config_defaults;hostapd_config_alloc") |
| |
| hapd_out_of_mem(hapd, apdev[1], 1, "hostapd_config_alloc") |
| |
| hapd_out_of_mem(hapd, apdev[1], 1, "hostapd_driver_init") |
| |
| for i in range(1, 4): |
| hapd_out_of_mem(hapd, apdev[1], i, "=wpa_driver_nl80211_drv_init") |
| |
| # eloop_register_read_sock() call from i802_init() |
| hapd_out_of_mem(hapd, apdev[1], 1, "eloop_sock_table_add_sock;eloop_register_sock;?eloop_register_read_sock;=i802_init") |
| |
| # verify that a new interface can still be added when memory allocation does |
| # not fail |
| hostapd.add_ap(apdev[1]['ifname'], { "ssid": "open" }) |
| |
| def test_bssid_black_white_list(dev, apdev): |
| """BSSID black/white list""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| hapd2 = hostapd.add_ap(apdev[1]['ifname'], { "ssid": "open" }) |
| |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412", |
| bssid_whitelist=apdev[1]['bssid']) |
| dev[1].connect("open", key_mgmt="NONE", scan_freq="2412", |
| bssid_blacklist=apdev[1]['bssid']) |
| dev[2].connect("open", key_mgmt="NONE", scan_freq="2412", |
| bssid_whitelist="00:00:00:00:00:00/00:00:00:00:00:00", |
| bssid_blacklist=apdev[1]['bssid']) |
| if dev[0].get_status_field('bssid') != apdev[1]['bssid']: |
| raise Exception("dev[0] connected to unexpected AP") |
| if dev[1].get_status_field('bssid') != apdev[0]['bssid']: |
| raise Exception("dev[1] connected to unexpected AP") |
| if dev[2].get_status_field('bssid') != apdev[0]['bssid']: |
| raise Exception("dev[2] connected to unexpected AP") |
| dev[0].request("REMOVE_NETWORK all") |
| dev[1].request("REMOVE_NETWORK all") |
| dev[2].request("REMOVE_NETWORK all") |
| |
| dev[2].connect("open", key_mgmt="NONE", scan_freq="2412", |
| bssid_whitelist="00:00:00:00:00:00", wait_connect=False) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412", |
| bssid_whitelist="11:22:33:44:55:66/ff:00:00:00:00:00 " + apdev[1]['bssid'] + " aa:bb:cc:dd:ee:ff") |
| dev[1].connect("open", key_mgmt="NONE", scan_freq="2412", |
| bssid_blacklist="11:22:33:44:55:66/ff:00:00:00:00:00 " + apdev[1]['bssid'] + " aa:bb:cc:dd:ee:ff") |
| if dev[0].get_status_field('bssid') != apdev[1]['bssid']: |
| raise Exception("dev[0] connected to unexpected AP") |
| if dev[1].get_status_field('bssid') != apdev[0]['bssid']: |
| raise Exception("dev[1] connected to unexpected AP") |
| dev[0].request("REMOVE_NETWORK all") |
| dev[1].request("REMOVE_NETWORK all") |
| ev = dev[2].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.1) |
| if ev is not None: |
| raise Exception("Unexpected dev[2] connectin") |
| dev[2].request("REMOVE_NETWORK all") |
| |
| def test_ap_open_wpas_in_bridge(dev, apdev): |
| """Open mode AP and wpas interface in a bridge""" |
| br_ifname='sta-br0' |
| ifname='wlan5' |
| try: |
| _test_ap_open_wpas_in_bridge(dev, apdev) |
| finally: |
| subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down']) |
| subprocess.call(['brctl', 'delif', br_ifname, ifname]) |
| subprocess.call(['brctl', 'delbr', br_ifname]) |
| subprocess.call(['iw', ifname, 'set', '4addr', 'off']) |
| |
| def _test_ap_open_wpas_in_bridge(dev, apdev): |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| |
| br_ifname='sta-br0' |
| ifname='wlan5' |
| wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5') |
| # First, try a failure case of adding an interface |
| try: |
| wpas.interface_add(ifname, br_ifname=br_ifname) |
| raise Exception("Interface addition succeeded unexpectedly") |
| except Exception, e: |
| if "Failed to add" in str(e): |
| logger.info("Ignore expected interface_add failure due to missing bridge interface: " + str(e)) |
| else: |
| raise |
| |
| # Next, add the bridge interface and add the interface again |
| subprocess.call(['brctl', 'addbr', br_ifname]) |
| subprocess.call(['brctl', 'setfd', br_ifname, '0']) |
| subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up']) |
| subprocess.call(['iw', ifname, 'set', '4addr', 'on']) |
| subprocess.check_call(['brctl', 'addif', br_ifname, ifname]) |
| wpas.interface_add(ifname, br_ifname=br_ifname) |
| |
| wpas.connect("open", key_mgmt="NONE", scan_freq="2412") |
| |
| def test_ap_open_start_disabled(dev, apdev): |
| """AP with open mode and beaconing disabled""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open", |
| "start_disabled": "1" }) |
| bssid = apdev[0]['bssid'] |
| |
| dev[0].flush_scan_cache() |
| dev[0].scan(freq=2412, only_new=True) |
| if dev[0].get_bss(bssid) is not None: |
| raise Exception("AP was seen beaconing") |
| if "OK" not in hapd.request("RELOAD"): |
| raise Exception("RELOAD failed") |
| dev[0].scan_for_bss(bssid, freq=2412) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412") |
| |
| def test_ap_open_start_disabled2(dev, apdev): |
| """AP with open mode and beaconing disabled (2)""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open", |
| "start_disabled": "1" }) |
| bssid = apdev[0]['bssid'] |
| |
| dev[0].flush_scan_cache() |
| dev[0].scan(freq=2412, only_new=True) |
| if dev[0].get_bss(bssid) is not None: |
| raise Exception("AP was seen beaconing") |
| if "OK" not in hapd.request("UPDATE_BEACON"): |
| raise Exception("UPDATE_BEACON failed") |
| dev[0].scan_for_bss(bssid, freq=2412) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412") |
| if "OK" not in hapd.request("UPDATE_BEACON"): |
| raise Exception("UPDATE_BEACON failed") |
| dev[0].request("DISCONNECT") |
| dev[0].wait_disconnected() |
| dev[0].request("RECONNECT") |
| dev[0].wait_connected() |
| |
| def test_ap_open_ifdown(dev, apdev): |
| """AP with open mode and external ifconfig down""" |
| params = { "ssid": "open", |
| "ap_max_inactivity": "1" } |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| bssid = apdev[0]['bssid'] |
| |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412") |
| dev[1].connect("open", key_mgmt="NONE", scan_freq="2412") |
| subprocess.call(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'down']) |
| ev = hapd.wait_event(["AP-STA-DISCONNECTED"], timeout=10) |
| if ev is None: |
| raise Exception("Timeout on AP-STA-DISCONNECTED (1)") |
| ev = hapd.wait_event(["AP-STA-DISCONNECTED"], timeout=5) |
| if ev is None: |
| raise Exception("Timeout on AP-STA-DISCONNECTED (2)") |
| ev = hapd.wait_event(["INTERFACE-DISABLED"], timeout=5) |
| if ev is None: |
| raise Exception("No INTERFACE-DISABLED event") |
| # The following wait tests beacon loss detection in mac80211 on dev0. |
| # dev1 is used to test stopping of AP side functionality on client polling. |
| dev[1].request("REMOVE_NETWORK all") |
| subprocess.call(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'up']) |
| dev[0].wait_disconnected() |
| dev[1].wait_disconnected() |
| ev = hapd.wait_event(["INTERFACE-ENABLED"], timeout=10) |
| if ev is None: |
| raise Exception("No INTERFACE-ENABLED event") |
| dev[0].wait_connected() |
| hwsim_utils.test_connectivity(dev[0], hapd) |
| |
| def test_ap_open_disconnect_in_ps(dev, apdev, params): |
| """Disconnect with the client in PS to regression-test a kernel bug""" |
| hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| dev[0].connect("open", key_mgmt="NONE", scan_freq="2412", |
| bg_scan_period="0") |
| ev = hapd.wait_event([ "AP-STA-CONNECTED" ], timeout=5) |
| if ev is None: |
| raise Exception("No connection event received from hostapd") |
| |
| time.sleep(0.2) |
| hwsim_utils.set_powersave(dev[0], hwsim_utils.PS_MANUAL_POLL) |
| try: |
| # inject some traffic |
| sa = hapd.own_addr() |
| da = dev[0].own_addr() |
| hapd.request('DATA_TEST_CONFIG 1') |
| hapd.request('DATA_TEST_TX {} {} 0'.format(da, sa)) |
| hapd.request('DATA_TEST_CONFIG 0') |
| |
| # let the AP send couple of Beacon frames |
| time.sleep(0.3) |
| |
| # disconnect - with traffic pending - shouldn't cause kernel warnings |
| dev[0].request("DISCONNECT") |
| finally: |
| hwsim_utils.set_powersave(dev[0], hwsim_utils.PS_DISABLED) |
| |
| time.sleep(0.2) |
| out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"), |
| "wlan_mgt.tim.partial_virtual_bitmap", |
| ["wlan_mgt.tim.partial_virtual_bitmap"]) |
| if out is not None: |
| state = 0 |
| for l in out.splitlines(): |
| pvb = int(l, 16) |
| if pvb > 0 and state == 0: |
| state = 1 |
| elif pvb == 0 and state == 1: |
| state = 2 |
| if state != 2: |
| raise Exception("Didn't observe TIM bit getting set and unset (state=%d)" % state) |
| |
| def test_ap_open_select_network(dev, apdev): |
| """Open mode connection and SELECT_NETWORK to change network""" |
| hapd1 = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) |
| bssid1 = apdev[0]['bssid'] |
| hapd2 = hostapd.add_ap(apdev[1]['ifname'], { "ssid": "open2" }) |
| bssid2 = apdev[1]['bssid'] |
| |
| id1 = dev[0].connect("open", key_mgmt="NONE", scan_freq="2412", |
| only_add_network=True) |
| id2 = dev[0].connect("open2", key_mgmt="NONE", scan_freq="2412") |
| hwsim_utils.test_connectivity(dev[0], hapd2) |
| |
| dev[0].select_network(id1) |
| dev[0].wait_connected() |
| res = dev[0].request("BLACKLIST") |
| if bssid1 in res or bssid2 in res: |
| raise Exception("Unexpected blacklist entry") |
| hwsim_utils.test_connectivity(dev[0], hapd1) |
| |
| dev[0].select_network(id2) |
| dev[0].wait_connected() |
| hwsim_utils.test_connectivity(dev[0], hapd2) |
| res = dev[0].request("BLACKLIST") |
| if bssid1 in res or bssid2 in res: |
| raise Exception("Unexpected blacklist entry(2)") |
