hostap/tests/hwsim/test_ap_open.py

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# 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)