# 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 hostapd import hwsim_utils from utils import alloc_fail 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")