hostap/tests/hwsim/test_monitor_interface.py
Jouni Malinen b766ac488f tests: Use frame injection in monitor_iface_unknown_sta
The previously used normal data TX depends on undefined driver behavior
after all keys have been removed. That may not be available, so do this
more properly with frame injection through a monitor interface.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2020-03-26 17:51:03 +02:00

94 lines
3.6 KiB
Python

# AP mode using the older monitor interface design
# Copyright (c) 2013, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import binascii
from remotehost import remote_compatible
import logging
logger = logging.getLogger()
import time
import hwsim_utils
import hostapd
from wpasupplicant import WpaSupplicant
from utils import radiotap_build, start_monitor, stop_monitor
def test_monitor_iface_open(dev, apdev):
"""Open connection using cfg80211 monitor interface on AP"""
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="use_monitor=1")
id = wpas.add_network()
wpas.set_network(id, "mode", "2")
wpas.set_network_quoted(id, "ssid", "monitor-iface")
wpas.set_network(id, "key_mgmt", "NONE")
wpas.set_network(id, "frequency", "2412")
wpas.connect_network(id)
dev[0].connect("monitor-iface", key_mgmt="NONE", scan_freq="2412")
def test_monitor_iface_wpa2_psk(dev, apdev):
"""WPA2-PSK connection using cfg80211 monitor interface on AP"""
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="use_monitor=1")
id = wpas.add_network()
wpas.set_network(id, "mode", "2")
wpas.set_network_quoted(id, "ssid", "monitor-iface-wpa2")
wpas.set_network(id, "proto", "WPA2")
wpas.set_network(id, "key_mgmt", "WPA-PSK")
wpas.set_network_quoted(id, "psk", "12345678")
wpas.set_network(id, "pairwise", "CCMP")
wpas.set_network(id, "group", "CCMP")
wpas.set_network(id, "frequency", "2412")
wpas.connect_network(id)
dev[0].connect("monitor-iface-wpa2", psk="12345678", scan_freq="2412")
def test_monitor_iface_multi_bss(dev, apdev):
"""AP mode mmonitor interface with hostapd multi-BSS setup"""
params = {"ssid": "monitor-iface", "driver_params": "use_monitor=1"}
hapd = hostapd.add_ap(apdev[0], params)
hostapd.add_bss(apdev[0], apdev[0]['ifname'] + '-2', 'bss-2.conf')
dev[0].connect("monitor-iface", key_mgmt="NONE", scan_freq="2412")
dev[1].connect("bss-2", key_mgmt="NONE", scan_freq="2412")
@remote_compatible
def test_monitor_iface_unknown_sta(dev, apdev):
"""AP mode monitor interface and Data frame from unknown STA"""
ssid = "monitor-iface-pmf"
passphrase = "12345678"
params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
params["wpa_key_mgmt"] = "WPA-PSK-SHA256"
params["ieee80211w"] = "2"
params['driver_params'] = "use_monitor=1"
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
addr = dev[0].p2p_interface_addr()
dev[0].connect(ssid, psk=passphrase, ieee80211w="2",
key_mgmt="WPA-PSK-SHA256", proto="WPA2",
scan_freq="2412")
dev[0].request("DROP_SA")
# This protected Deauth will be ignored by the STA
hapd.request("DEAUTHENTICATE " + addr)
# But the unprotected Deauth from TX frame-from-unassoc-STA will now be
# processed
try:
sock = start_monitor(apdev[1]["ifname"])
radiotap = radiotap_build()
bssid = hapd.own_addr().replace(':', '')
addr = dev[0].own_addr().replace(':', '')
# Inject Data frame from STA to AP since we not have SA in place
# anymore for normal data TX
frame = binascii.unhexlify("48010000" + bssid + addr + bssid + "0000")
sock.send(radiotap + frame)
finally:
stop_monitor(apdev[1]["ifname"])
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5)
if ev is None:
raise Exception("No disconnection")
dev[0].request("DISCONNECT")