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fragattacks/tests/hwsim/test_wpas_ap.py
Jouni Malinen 656f11c732 tests: wpa_supplicant AP mode - unexpected P2P IE in Association Request 
This verifies that there is no NULL pointer dereference when the AP code
processes Probe Request and (Re)Association Request frames with a P2P IE
in case P2P support is explicitly disabled on the AP mode interface.
This is a regression test case for the fixes in the previous commit.

Signed-off-by: Jouni Malinen <j@w1.fi>
2016-01-01 17:22:21 +02:00

387 lines
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# wpa_supplicant AP mode 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 time
import logging
logger = logging.getLogger()
import hwsim_utils
from utils import HwsimSkip
from test_p2p_channel import set_country
def wait_ap_ready(dev):
ev = dev.wait_event(["CTRL-EVENT-CONNECTED"])
if ev is None:
raise Exception("AP failed to start")
def test_wpas_ap_open(dev):
"""wpa_supplicant AP mode - open network"""
if "FAIL" not in dev[0].request("DEAUTHENTICATE 00:11:22:33:44:55"):
raise Exception("Unexpected DEAUTHENTICATE accepted")
if "FAIL" not in dev[0].request("DISASSOCIATE 00:11:22:33:44:55"):
raise Exception("Unexpected DISASSOCIATE accepted")
if "FAIL" not in dev[0].request("CHAN_SWITCH 0 2432"):
raise Exception("Unexpected CHAN_SWITCH accepted")
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-open")
dev[0].set_network(id, "key_mgmt", "NONE")
dev[0].set_network(id, "frequency", "2412")
dev[0].set_network(id, "scan_freq", "2412")
dev[0].select_network(id)
wait_ap_ready(dev[0])
if "FAIL" not in dev[0].request("DEAUTHENTICATE foo"):
raise Exception("Invalid DEAUTHENTICATE accepted")
if "FAIL" not in dev[0].request("DISASSOCIATE foo"):
raise Exception("Invalid DISASSOCIATE accepted")
dev[1].connect("wpas-ap-open", key_mgmt="NONE", scan_freq="2412")
dev[2].connect("wpas-ap-open", key_mgmt="NONE", scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], dev[1])
hwsim_utils.test_connectivity(dev[1], dev[2])
addr1 = dev[1].p2p_interface_addr()
addr2 = dev[2].p2p_interface_addr()
addrs = [ addr1, addr2 ]
sta = dev[0].get_sta(None)
if sta['addr'] not in addrs:
raise Exception("Unexpected STA address")
sta1 = dev[0].get_sta(sta['addr'])
if sta1['addr'] not in addrs:
raise Exception("Unexpected STA address")
sta2 = dev[0].get_sta(sta['addr'], next=True)
if sta2['addr'] not in addrs:
raise Exception("Unexpected STA2 address")
sta3 = dev[0].get_sta(sta2['addr'], next=True)
if len(sta3) != 0:
raise Exception("Unexpected STA iteration result (did not stop)")
status = dev[0].get_status()
if status['mode'] != "AP":
raise Exception("Unexpected status mode")
dev[1].dump_monitor()
dev[2].dump_monitor()
dev[0].request("DEAUTHENTICATE " + addr1)
dev[0].request("DISASSOCIATE " + addr2)
dev[1].wait_disconnected(timeout=10)
dev[2].wait_disconnected(timeout=10)
dev[1].wait_connected(timeout=10, error="Reconnection timed out")
dev[2].wait_connected(timeout=10, error="Reconnection timed out")
dev[1].request("DISCONNECT")
dev[2].request("DISCONNECT")
def test_wpas_ap_wep(dev):
"""wpa_supplicant AP mode - WEP"""
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-wep")
dev[0].set_network(id, "key_mgmt", "NONE")
dev[0].set_network(id, "frequency", "2412")
dev[0].set_network(id, "scan_freq", "2412")
dev[0].set_network_quoted(id, "wep_key0", "hello")
dev[0].select_network(id)
wait_ap_ready(dev[0])
dev[1].connect("wpas-ap-wep", key_mgmt="NONE", wep_key0='"hello"',
scan_freq="2412")
hwsim_utils.test_connectivity(dev[0], dev[1])
dev[1].request("DISCONNECT")
def test_wpas_ap_no_ssid(dev):
"""wpa_supplicant AP mode - invalid network configuration"""
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network(id, "key_mgmt", "NONE")
dev[0].set_network(id, "frequency", "2412")
dev[0].set_network(id, "scan_freq", "2412")
dev[0].select_network(id)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected AP start")
def test_wpas_ap_default_frequency(dev):
"""wpa_supplicant AP mode - default frequency"""
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-open")
dev[0].set_network(id, "key_mgmt", "NONE")
dev[0].set_network(id, "scan_freq", "2412")
dev[0].select_network(id)
wait_ap_ready(dev[0])
dev[1].connect("wpas-ap-open", key_mgmt="NONE", scan_freq="2462")
dev[1].request("DISCONNECT")
def test_wpas_ap_invalid_frequency(dev):
"""wpa_supplicant AP mode - invalid frequency configuration"""
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-open")
dev[0].set_network(id, "key_mgmt", "NONE")
dev[0].set_network(id, "frequency", "2413")
dev[0].set_network(id, "scan_freq", "2412")
dev[0].select_network(id)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected AP start")
def test_wpas_ap_wps(dev):
"""wpa_supplicant AP mode - WPS operations"""
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-wps")
dev[0].set_network_quoted(id, "psk", "1234567890")
dev[0].set_network(id, "frequency", "2412")
dev[0].set_network(id, "scan_freq", "2412")
dev[0].select_network(id)
wait_ap_ready(dev[0])
bssid = dev[0].p2p_interface_addr()
logger.info("Test PBC mode start/stop")
if "FAIL" not in dev[0].request("WPS_CANCEL"):
raise Exception("Unexpected WPS_CANCEL success")
dev[0].request("WPS_PBC")
ev = dev[0].wait_event(["WPS-PBC-ACTIVE"])
if ev is None:
raise Exception("PBC mode start timeout")
if "OK" not in dev[0].request("WPS_CANCEL"):
raise Exception("Unexpected WPS_CANCEL failure")
ev = dev[0].wait_event(["WPS-TIMEOUT"])
if ev is None:
raise Exception("PBC mode disabling timeout")
logger.info("Test PBC protocol run")
dev[0].request("WPS_PBC")
ev = dev[0].wait_event(["WPS-PBC-ACTIVE"])
if ev is None:
raise Exception("PBC mode start timeout")
dev[1].request("WPS_PBC")
dev[1].wait_connected(timeout=30, error="WPS PBC operation timed out")
hwsim_utils.test_connectivity(dev[0], dev[1])
logger.info("Test AP PIN to learn configuration")
pin = dev[0].request("WPS_AP_PIN random")
if "FAIL" in pin:
raise Exception("Could not generate random AP PIN")
if pin not in dev[0].request("WPS_AP_PIN get"):
raise Exception("Could not fetch current AP PIN")
dev[2].wps_reg(bssid, pin)
hwsim_utils.test_connectivity(dev[1], dev[2])
dev[1].request("REMOVE_NETWORK all")
dev[2].request("REMOVE_NETWORK all")
logger.info("Test AP PIN operations")
dev[0].request("WPS_AP_PIN disable")
dev[0].request("WPS_AP_PIN set " + pin + " 1")
time.sleep(1.1)
if "FAIL" not in dev[0].request("WPS_AP_PIN get"):
raise Exception("AP PIN unexpectedly still enabled")
pin = dev[1].wps_read_pin()
dev[0].request("WPS_PIN any " + pin)
dev[1].request("WPS_PIN any " + pin)
dev[1].wait_connected(timeout=30)
dev[1].request("REMOVE_NETWORK all")
dev[1].dump_monitor()
dev[0].request("WPS_PIN any " + pin + " 100")
dev[1].request("WPS_PIN any " + pin)
dev[1].wait_connected(timeout=30)
dev[1].request("REMOVE_NETWORK all")
dev[1].dump_monitor()
dev[0].request("WPS_AP_PIN set 12345670")
dev[0].dump_monitor()
runs = ("88887777", "12340000", "00000000", "12345670")
for pin in runs:
logger.info("Try AP PIN " + pin)
dev[2].dump_monitor()
dev[2].request("WPS_REG " + bssid + " " + pin)
ev = dev[2].wait_event(["WPS-SUCCESS", "WPS-FAIL msg"], timeout=15)
if ev is None:
raise Exception("WPS operation timed out")
if "WPS-SUCCESS" in ev:
raise Exception("WPS operation succeeded unexpectedly")
dev[2].wait_disconnected(timeout=10)
dev[2].request("WPS_CANCEL")
dev[2].request("REMOVE_NETWORK all")
ev = dev[0].wait_event(["WPS-AP-SETUP-LOCKED"])
if ev is None:
raise Exception("WPS AP PIN not locked")
dev[0].dump_monitor()
logger.info("Test random AP PIN timeout")
pin = dev[0].request("WPS_AP_PIN random 1")
if "FAIL" in pin:
raise Exception("Could not generate random AP PIN")
res = dev[0].request("WPS_AP_PIN get")
if pin not in res:
raise Exception("Could not fetch current AP PIN")
for i in range(10):
time.sleep(0.2)
res = dev[0].request("WPS_AP_PIN get")
if "FAIL" in res:
break
if "FAIL" not in res:
raise Exception("WPS_AP_PIN random timeout did not work")
if "FAIL" not in dev[0].request("WPS_AP_PIN foo"):
raise Exception("Invalid WPS_AP_PIN command not rejected")
if "FAIL" not in dev[0].request("WPS_AP_PIN set"):
raise Exception("Invalid WPS_AP_PIN command not rejected")
def test_wpas_ap_wps_pbc_overlap(dev):
"""wpa_supplicant AP mode - WPS operations with PBC overlap"""
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-wps")
dev[0].set_network_quoted(id, "psk", "1234567890")
dev[0].set_network(id, "frequency", "2412")
dev[0].set_network(id, "scan_freq", "2412")
dev[0].select_network(id)
wait_ap_ready(dev[0])
bssid = dev[0].p2p_interface_addr()
dev[1].scan_for_bss(bssid, freq="2412")
dev[1].dump_monitor()
dev[2].scan_for_bss(bssid, freq="2412")
dev[2].dump_monitor()
dev[0].request("WPS_PBC")
dev[1].request("WPS_PBC " + bssid)
dev[2].request("WPS_PBC " + bssid)
ev = dev[1].wait_event(["WPS-M2D"], timeout=15)
if ev is None:
raise Exception("PBC session overlap not detected (dev1)")
if "config_error=12" not in ev:
raise Exception("PBC session overlap not correctly reported (dev1)")
ev = dev[2].wait_event(["WPS-M2D"], timeout=15)
if ev is None:
raise Exception("PBC session overlap not detected (dev2)")
if "config_error=12" not in ev:
raise Exception("PBC session overlap not correctly reported (dev2)")
if "FAIL-PBC-OVERLAP" not in dev[0].request("WPS_PBC"):
raise Exception("WPS_PBC(AP) accepted during overlap")
if "FAIL-PBC-OVERLAP" not in dev[0].request("WPS_PBC any"):
raise Exception("WPS_PBC(AP) accepted during overlap")
dev[0].request("WPS_CANCEL")
dev[1].request("WPS_CANCEL")
dev[2].request("WPS_CANCEL")
def test_wpas_ap_dfs(dev):
"""wpa_supplicant AP mode - DFS"""
try:
_test_wpas_ap_dfs(dev)
finally:
set_country("00")
dev[0].request("SET country 00")
dev[1].flush_scan_cache()
def _test_wpas_ap_dfs(dev):
set_country("US")
dev[0].request("SET country US")
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-dfs")
dev[0].set_network(id, "key_mgmt", "NONE")
dev[0].set_network(id, "frequency", "5260")
dev[0].set_network(id, "scan_freq", "5260")
dev[0].select_network(id)
ev = dev[0].wait_event(["DFS-CAC-START"])
if ev is None:
# For now, assume DFS is not supported by all kernel builds.
raise HwsimSkip("CAC did not start - assume not supported")
ev = dev[0].wait_event(["DFS-CAC-COMPLETED"], timeout=70)
if ev is None:
raise Exception("CAC did not complete")
if "success=1" not in ev:
raise Exception("CAC failed")
if "freq=5260" not in ev:
raise Exception("Unexpected DFS freq result")
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"])
if ev is None:
raise Exception("AP failed to start")
dev[1].connect("wpas-ap-dfs", key_mgmt="NONE")
def test_wpas_ap_disable(dev):
"""wpa_supplicant AP mode - DISABLE_NETWORK"""
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-open")
dev[0].set_network(id, "key_mgmt", "NONE")
dev[0].set_network(id, "scan_freq", "2412")
dev[0].select_network(id)
ev = dev[0].wait_event(["AP-ENABLED"])
if ev is None:
raise Exception("AP-ENABLED event not seen")
wait_ap_ready(dev[0])
dev[0].request("DISABLE_NETWORK %d" % id)
ev = dev[0].wait_event(["AP-DISABLED"])
if ev is None:
raise Exception("AP-DISABLED event not seen")
dev[0].wait_disconnected()
def test_wpas_ap_acs(dev):
"""wpa_supplicant AP mode - ACS"""
res = dev[0].get_capability("acs")
if res is None or "ACS" not in res:
raise HwsimSkip("ACS not supported")
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-open")
dev[0].set_network(id, "key_mgmt", "NONE")
dev[0].set_network(id, "frequency", "2417")
dev[0].set_network(id, "scan_freq", "2417")
dev[0].set_network(id, "acs", "1")
dev[0].select_network(id)
wait_ap_ready(dev[0])
# ACS prefers channels 1, 6, 11
freq = dev[0].get_status_field('freq')
if freq == "2417":
raise Exception("Unexpected operating channel selected")
dev[1].connect("wpas-ap-open", key_mgmt="NONE", scan_freq=freq)
def test_wpas_ap_and_assoc_req_p2p_ie(dev):
"""wpa_supplicant AP mode - unexpected P2P IE in Association Request"""
try:
_test_wpas_ap_and_assoc_req_p2p_ie(dev)
finally:
dev[1].request("VENDOR_ELEM_REMOVE 13 *")
dev[0].request("P2P_SET disabled 0")
def _test_wpas_ap_and_assoc_req_p2p_ie(dev):
dev[0].request("P2P_SET disabled 1")
id = dev[0].add_network()
dev[0].set_network(id, "mode", "2")
dev[0].set_network_quoted(id, "ssid", "wpas-ap-open")
dev[0].set_network(id, "key_mgmt", "NONE")
dev[0].set_network(id, "frequency", "2412")
dev[0].set_network(id, "scan_freq", "2412")
dev[0].select_network(id)
wait_ap_ready(dev[0])
dev[1].request("VENDOR_ELEM_ADD 13 dd04506f9a09")
dev[1].connect("wpas-ap-open", key_mgmt="NONE", scan_freq="2412")
dev[1].request("DISCONNECT")
dev[1].wait_disconnected()
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
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