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hostap/tests/hwsim/test_ibss.py
Jouni Malinen ca4fd18290 tests: Speed up IBSS test using single channel scan on SELECT_NETWORK 
This removes unnecessary waits and adds test coverage for SELECT_NETWORK
freq parameter.

Signed-off-by: Jouni Malinen <j@w1.fi>
2014-04-04 23:13:49 +03:00

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# IBSS test cases
# 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 logging
logger = logging.getLogger()
import time
import re
import hwsim_utils
def connect_ibss_cmd(dev, id):
dev.dump_monitor()
dev.select_network(id, freq="2412")
def wait_ibss_connection(dev):
logger.info(dev.ifname + " waiting for IBSS start/join to complete")
ev = dev.wait_event(["CTRL-EVENT-CONNECTED"], timeout=20)
if ev is None:
raise Exception("Connection to the IBSS timed out")
exp = r'<.>(CTRL-EVENT-CONNECTED) - Connection to ([0-9a-f:]*) completed.*'
s = re.split(exp, ev)
if len(s) < 3:
return None
return s[2]
def wait_4way_handshake(dev1, dev2):
logger.info(dev1.ifname + " waiting for 4-way handshake completion with " + dev2.ifname + " " + dev2.p2p_interface_addr())
ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr()],
timeout=20)
if ev is None:
raise Exception("4-way handshake in IBSS timed out")
def wait_4way_handshake2(dev1, dev2, dev3):
logger.info(dev1.ifname + " waiting for 4-way handshake completion with " + dev2.ifname + " " + dev2.p2p_interface_addr() + " and " + dev3.p2p_interface_addr())
ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr(),
"IBSS-RSN-COMPLETED " + dev3.p2p_interface_addr()],
timeout=20)
if ev is None:
raise Exception("4-way handshake in IBSS timed out")
ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr(),
"IBSS-RSN-COMPLETED " + dev3.p2p_interface_addr()],
timeout=20)
if ev is None:
raise Exception("4-way handshake in IBSS timed out")
def add_ibss(dev, ssid, psk=None, proto=None, key_mgmt=None, pairwise=None, group=None, beacon_int=None):
id = dev.add_network()
dev.set_network(id, "mode", "1")
dev.set_network(id, "frequency", "2412")
dev.set_network_quoted(id, "ssid", ssid)
if psk:
dev.set_network_quoted(id, "psk", psk)
if proto:
dev.set_network(id, "proto", proto)
if key_mgmt:
dev.set_network(id, "key_mgmt", key_mgmt)
if pairwise:
dev.set_network(id, "pairwise", pairwise)
if group:
dev.set_network(id, "group", group)
if beacon_int:
dev.set_network(id, "beacon_int", beacon_int)
return id
def add_ibss_rsn(dev, ssid):
return add_ibss(dev, ssid, "12345678", "RSN", "WPA-PSK", "CCMP", "CCMP")
def add_ibss_wpa_none(dev, ssid):
return add_ibss(dev, ssid, "12345678", "WPA", "WPA-NONE", "TKIP", "TKIP")
def test_ibss_rsn(dev):
"""IBSS RSN"""
ssid="ibss-rsn"
logger.info("Start IBSS on the first STA")
id = add_ibss_rsn(dev[0], ssid)
connect_ibss_cmd(dev[0], id)
bssid0 = wait_ibss_connection(dev[0])
logger.info("Join two STAs to the IBSS")
id = add_ibss_rsn(dev[1], ssid)
connect_ibss_cmd(dev[1], id)
bssid1 = wait_ibss_connection(dev[1])
if bssid0 != bssid1:
logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
# try to merge with a scan
dev[1].scan()
wait_4way_handshake(dev[0], dev[1])
wait_4way_handshake(dev[1], dev[0])
id = add_ibss_rsn(dev[2], ssid)
connect_ibss_cmd(dev[2], id)
bssid2 = wait_ibss_connection(dev[2])
if bssid0 != bssid2:
logger.info("STA0 BSSID " + bssid0 + " differs from STA2 BSSID " + bssid2)
# try to merge with a scan
dev[2].scan()
wait_4way_handshake(dev[0], dev[2])
wait_4way_handshake2(dev[2], dev[0], dev[1])
# Allow some time for all peers to complete key setup
time.sleep(3)
hwsim_utils.test_connectivity(dev[0].ifname, dev[1].ifname)
hwsim_utils.test_connectivity(dev[0].ifname, dev[2].ifname)
hwsim_utils.test_connectivity(dev[1].ifname, dev[2].ifname)
def test_ibss_wpa_none(dev):
"""IBSS WPA-None"""
ssid="ibss-wpa-none"
logger.info("Start IBSS on the first STA")
id = add_ibss_wpa_none(dev[0], ssid)
connect_ibss_cmd(dev[0], id)
bssid0 = wait_ibss_connection(dev[0])
logger.info("Join two STAs to the IBSS")
id = add_ibss_wpa_none(dev[1], ssid)
connect_ibss_cmd(dev[1], id)
id = add_ibss_wpa_none(dev[2], ssid)
connect_ibss_cmd(dev[2], id)
# This is a bit ugly, but no one really cares about WPA-None, so there may
# not be enough justification to clean this up.. For now, wpa_supplicant
# will show two connection events with mac80211_hwsim where the first one
# comes with all zeros address.
if bssid0 == "00:00:00:00:00:00":
logger.info("Waiting for real BSSID on the first STA")
bssid0 = wait_ibss_connection(dev[0])
bssid1 = wait_ibss_connection(dev[1])
if bssid0 != bssid1:
logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
bssid1 = wait_ibss_connection(dev[1])
bssid2 = wait_ibss_connection(dev[2])
if bssid0 != bssid2:
logger.info("STA0 BSSID " + bssid0 + " differs from STA2 BSSID " + bssid2)
bssid2 = wait_ibss_connection(dev[2])
print bssid0
print bssid1
print bssid2
# Allow some time for all peers to complete key setup
time.sleep(1)
# This is supposed to work, but looks like WPA-None does not work with
# mac80211 currently..
try:
hwsim_utils.test_connectivity(dev[0].ifname, dev[1].ifname)
except Exception, e:
logger.info("Ignoring known connectivity failure: " + str(e))
try:
hwsim_utils.test_connectivity(dev[0].ifname, dev[2].ifname)
except Exception, e:
logger.info("Ignoring known connectivity failure: " + str(e))
try:
hwsim_utils.test_connectivity(dev[1].ifname, dev[2].ifname)
except Exception, e:
logger.info("Ignoring known connectivity failure: " + str(e))
def test_ibss_open(dev):
"""IBSS open (no security)"""
ssid="ibss"
id = add_ibss(dev[0], ssid, key_mgmt="NONE", beacon_int="150")
connect_ibss_cmd(dev[0], id)
bssid0 = wait_ibss_connection(dev[0])
id = add_ibss(dev[1], ssid, key_mgmt="NONE", beacon_int="200")
connect_ibss_cmd(dev[1], id)
bssid1 = wait_ibss_connection(dev[1])
if bssid0 != bssid1:
logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
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