hostap/tests/hwsim/test_ap_ciphers.py

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#!/usr/bin/python
#
# Cipher suite tests
# 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 time
import subprocess
import logging
logger = logging.getLogger()
import hwsim_utils
import hostapd
def check_cipher(dev, ap, cipher):
if cipher not in dev.get_capability("pairwise"):
return "skip"
params = { "ssid": "test-wpa2-psk",
"wpa_passphrase": "12345678",
"wpa": "2",
"wpa_key_mgmt": "WPA-PSK",
"rsn_pairwise": cipher }
hostapd.add_ap(ap['ifname'], params)
dev.connect("test-wpa2-psk", psk="12345678",
pairwise=cipher, group=cipher, scan_freq="2412")
hwsim_utils.test_connectivity(dev.ifname, ap['ifname'])
def test_ap_cipher_tkip(dev, apdev):
"""WPA2-PSK/TKIP connection"""
check_cipher(dev[0], apdev[0], "TKIP")
def test_ap_cipher_ccmp(dev, apdev):
"""WPA2-PSK/CCMP connection"""
check_cipher(dev[0], apdev[0], "CCMP")
def test_ap_cipher_gcmp(dev, apdev):
"""WPA2-PSK/GCMP connection"""
check_cipher(dev[0], apdev[0], "GCMP")
def test_ap_cipher_ccmp_256(dev, apdev):
"""WPA2-PSK/CCMP-256 connection"""
check_cipher(dev[0], apdev[0], "CCMP-256")
def test_ap_cipher_gcmp_256(dev, apdev):
"""WPA2-PSK/GCMP-256 connection"""
check_cipher(dev[0], apdev[0], "GCMP-256")
def test_ap_cipher_mixed_wpa_wpa2(dev, apdev):
"""WPA2-PSK/CCMP/ and WPA-PSK/TKIP mixed configuration"""
ssid = "test-wpa-wpa2-psk"
passphrase = "12345678"
params = { "ssid": ssid,
"wpa_passphrase": passphrase,
"wpa": "3",
"wpa_key_mgmt": "WPA-PSK",
"rsn_pairwise": "CCMP",
"wpa_pairwise": "TKIP" }
hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect(ssid, psk=passphrase, proto="WPA2",
pairwise="CCMP", group="TKIP", scan_freq="2412")
status = dev[0].get_status()
if status['key_mgmt'] != 'WPA2-PSK':
raise Exception("Incorrect key_mgmt reported")
if status['pairwise_cipher'] != 'CCMP':
raise Exception("Incorrect pairwise_cipher reported")
if status['group_cipher'] != 'TKIP':
raise Exception("Incorrect group_cipher reported")
bss = dev[0].get_bss(apdev[0]['bssid'])
if bss['ssid'] != ssid:
raise Exception("Unexpected SSID in the BSS entry")
if "[WPA-PSK-TKIP]" not in bss['flags']:
raise Exception("Missing BSS flag WPA-PSK-TKIP")
if "[WPA2-PSK-CCMP]" not in bss['flags']:
raise Exception("Missing BSS flag WPA2-PSK-CCMP")
hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
dev[1].connect(ssid, psk=passphrase, proto="WPA",
pairwise="TKIP", group="TKIP", scan_freq="2412")
status = dev[1].get_status()
if status['key_mgmt'] != 'WPA-PSK':
raise Exception("Incorrect key_mgmt reported")
if status['pairwise_cipher'] != 'TKIP':
raise Exception("Incorrect pairwise_cipher reported")
if status['group_cipher'] != 'TKIP':
raise Exception("Incorrect group_cipher reported")
hwsim_utils.test_connectivity(dev[1].ifname, apdev[0]['ifname'])
hwsim_utils.test_connectivity(dev[0].ifname, dev[1].ifname)