# 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 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") 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): ev = dev[i].wait_event(["CTRL-EVENT-CONNECTED"], timeout=20) if ev is None: raise Exception("Association with the AP timed out") 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") ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5) if ev is None: raise Exception("Timeout on disconnection") ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=2) if ev is None: raise Exception("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") ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=15) if ev is None: raise Exception("Timeout on connection") 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_event(["CTRL-EVENT-CONNECTED"]) if ev is None: raise Exception("Association with the AP timed out") 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") ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"]) if ev is None: raise Exception("Association with the AP timed out") 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") time.sleep(0.1) dev[0].dump_monitor() # This will be accepted due to matching network subprocess.call(['sudo', 'iw', 'dev', dev[0].ifname, 'connect', 'open', "2412", apdev[0]['bssid']]) ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=15) if ev is None: raise Exception("Association with the AP timed out") dev[0].dump_monitor() dev[0].request("REMOVE_NETWORK all") time.sleep(0.1) dev[0].dump_monitor() # This will result in disconnection due to no matching network subprocess.call(['sudo', 'iw', 'dev', dev[0].ifname, 'connect', 'open', "2412", apdev[0]['bssid']]) ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=15) if ev is None: raise Exception("Disconnection with the AP timed out") 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)