krackattacks/tests/hwsim/test_ap_params.py

# Test various AP mode parameters
# 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 subprocess

import hwsim_utils
import hostapd

def test_ap_fragmentation_rts_set_high(dev, apdev):
    """WPA2-PSK AP with fragmentation and RTS thresholds larger than frame length"""
    ssid = "test-wpa2-psk"
    passphrase = 'qwertyuiop'
    params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
    params['rts_threshold'] = "1000"
    params['fragm_threshold'] = "2000"
    hostapd.add_ap(apdev[0]['ifname'], params)
    dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
    hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])

def test_ap_fragmentation_open(dev, apdev):
    """Open AP with fragmentation threshold"""
    ssid = "fragmentation"
    params = {}
    params['ssid'] = ssid
    params['fragm_threshold'] = "1000"
    hostapd.add_ap(apdev[0]['ifname'], params)
    dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
    hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])

def test_ap_fragmentation_wpa2(dev, apdev):
    """WPA2-PSK AP with fragmentation threshold"""
    ssid = "test-wpa2-psk"
    passphrase = 'qwertyuiop'
    params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
    params['fragm_threshold'] = "1000"
    hostapd.add_ap(apdev[0]['ifname'], params)
    dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
    hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])

def test_ap_vendor_elements(dev, apdev):
    """WPA2-PSK AP with vendor elements added"""
    bssid = apdev[0]['bssid']
    ssid = "test-wpa2-psk"
    passphrase = 'qwertyuiop'
    params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
    params['vendor_elements'] = "dd0411223301"
    hostapd.add_ap(apdev[0]['ifname'], params)
    dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
    bss = dev[0].get_bss(bssid)
    if "dd0411223301" not in bss['ie']:
        raise Exception("Vendor element not shown in scan results")

def test_ap_country(dev, apdev):
    """WPA2-PSK AP setting country code and using 5 GHz band"""
    try:
        bssid = apdev[0]['bssid']
        ssid = "test-wpa2-psk"
        passphrase = 'qwertyuiop'
        params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
        params['country_code'] = 'FI'
        params['ieee80211d'] = '1'
        params['hw_mode'] = 'a'
        params['channel'] = '36'
        hostapd.add_ap(apdev[0]['ifname'], params)
        dev[0].connect(ssid, psk=passphrase, scan_freq="5180")
        hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
    finally:
        subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])

def test_ap_acl_accept(dev, apdev):
    """MAC ACL accept list"""
    ssid = "acl"
    params = {}
    params['ssid'] = ssid
    params['accept_mac_file'] = "hostapd.macaddr"
    hapd = hostapd.add_ap(apdev[0]['ifname'], params)
    dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
    dev[1].connect(ssid, key_mgmt="NONE", scan_freq="2412")
    dev[0].request("REMOVE_NETWORK all")
    dev[1].request("REMOVE_NETWORK all")
    hapd.request("SET macaddr_acl 1")
    dev[1].dump_monitor()
    dev[1].connect(ssid, key_mgmt="NONE", scan_freq="2412", wait_connect=False)
    dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412")
    ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
    if ev is not None:
        raise Exception("Unexpected association")

def test_ap_acl_deny(dev, apdev):
    """MAC ACL deny list"""
    ssid = "acl"
    params = {}
    params['ssid'] = ssid
    params['deny_mac_file'] = "hostapd.macaddr"
    hapd = hostapd.add_ap(apdev[0]['ifname'], params)
    dev[0].connect(ssid, key_mgmt="NONE", scan_freq="2412", wait_connect=False)
    dev[1].connect(ssid, key_mgmt="NONE", scan_freq="2412")
    ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
    if ev is not None:
        raise Exception("Unexpected association")