| # 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 logging |
| logger = logging.getLogger() |
| import os.path |
| |
| import hwsim_utils |
| import hostapd |
| from utils import HwsimSkip |
| from wlantest import Wlantest |
| |
| def check_cipher(dev, ap, cipher): |
| if cipher not in dev.get_capability("pairwise"): |
| raise HwsimSkip("Cipher %s not supported" % cipher) |
| params = { "ssid": "test-wpa2-psk", |
| "wpa_passphrase": "12345678", |
| "wpa": "2", |
| "wpa_key_mgmt": "WPA-PSK", |
| "rsn_pairwise": cipher } |
| hapd = 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, hapd) |
| |
| def check_group_mgmt_cipher(dev, ap, cipher): |
| wt = Wlantest() |
| wt.flush() |
| wt.add_passphrase("12345678") |
| |
| if cipher not in dev.get_capability("group_mgmt"): |
| raise HwsimSkip("Cipher %s not supported" % cipher) |
| params = { "ssid": "test-wpa2-psk-pmf", |
| "wpa_passphrase": "12345678", |
| "wpa": "2", |
| "ieee80211w": "2", |
| "wpa_key_mgmt": "WPA-PSK-SHA256", |
| "rsn_pairwise": "CCMP", |
| "group_mgmt_cipher": cipher } |
| hapd = hostapd.add_ap(ap['ifname'], params) |
| dev.connect("test-wpa2-psk-pmf", psk="12345678", ieee80211w="2", |
| key_mgmt="WPA-PSK-SHA256", |
| pairwise="CCMP", group="CCMP", scan_freq="2412") |
| hwsim_utils.test_connectivity(dev, hapd) |
| hapd.request("DEAUTHENTICATE ff:ff:ff:ff:ff:ff") |
| dev.wait_disconnected() |
| if wt.get_bss_counter('valid_bip_mmie', ap['bssid']) < 1: |
| raise Exception("No valid BIP MMIE seen") |
| if wt.get_bss_counter('bip_deauth', ap['bssid']) < 1: |
| raise Exception("No valid BIP deauth seen") |
| |
| if cipher == "AES-128-CMAC": |
| group_mgmt = "BIP" |
| else: |
| group_mgmt = cipher |
| res = wt.info_bss('group_mgmt', ap['bssid']).strip() |
| if res != group_mgmt: |
| raise Exception("Unexpected group mgmt cipher: " + res) |
| |
| def test_ap_cipher_tkip(dev, apdev): |
| """WPA2-PSK/TKIP connection""" |
| check_cipher(dev[0], apdev[0], "TKIP") |
| |
| def test_ap_cipher_tkip_countermeasures_ap(dev, apdev): |
| """WPA-PSK/TKIP countermeasures (detected by AP)""" |
| testfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/tkip_mic_test" % (dev[0].get_driver_status_field("phyname"), dev[0].ifname) |
| if not os.path.exists(testfile): |
| raise HwsimSkip("tkip_mic_test not supported in mac80211") |
| |
| params = { "ssid": "tkip-countermeasures", |
| "wpa_passphrase": "12345678", |
| "wpa": "1", |
| "wpa_key_mgmt": "WPA-PSK", |
| "wpa_pairwise": "TKIP" } |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].connect("tkip-countermeasures", psk="12345678", |
| pairwise="TKIP", group="TKIP", scan_freq="2412") |
| |
| dev[0].dump_monitor() |
| with open(testfile, "w") as f: |
| f.write(apdev[0]['bssid']) |
| ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1) |
| if ev is not None: |
| raise Exception("Unexpected disconnection on first Michael MIC failure") |
| |
| with open(testfile, "w") as f: |
| f.write("ff:ff:ff:ff:ff:ff") |
| ev = dev[0].wait_disconnected(timeout=10, |
| error="No disconnection after two Michael MIC failures") |
| if "reason=14" not in ev: |
| raise Exception("Unexpected disconnection reason: " + ev) |
| ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1) |
| if ev is not None: |
| raise Exception("Unexpected connection during TKIP countermeasures") |
| |
| def test_ap_cipher_tkip_countermeasures_sta(dev, apdev): |
| """WPA-PSK/TKIP countermeasures (detected by STA)""" |
| params = { "ssid": "tkip-countermeasures", |
| "wpa_passphrase": "12345678", |
| "wpa": "1", |
| "wpa_key_mgmt": "WPA-PSK", |
| "wpa_pairwise": "TKIP" } |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| testfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/tkip_mic_test" % (hapd.get_driver_status_field("phyname"), apdev[0]['ifname']) |
| if not os.path.exists(testfile): |
| raise HwsimSkip("tkip_mic_test not supported in mac80211") |
| |
| dev[0].connect("tkip-countermeasures", psk="12345678", |
| pairwise="TKIP", group="TKIP", scan_freq="2412") |
| |
| dev[0].dump_monitor() |
| with open(testfile, "w") as f: |
| f.write(dev[0].p2p_dev_addr()) |
| ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1) |
| if ev is not None: |
| raise Exception("Unexpected disconnection on first Michael MIC failure") |
| |
| with open(testfile, "w") as f: |
| f.write("ff:ff:ff:ff:ff:ff") |
| ev = dev[0].wait_disconnected(timeout=10, |
| error="No disconnection after two Michael MIC failures") |
| if "reason=14 locally_generated=1" not in ev: |
| raise Exception("Unexpected disconnection reason: " + ev) |
| ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1) |
| if ev is not None: |
| raise Exception("Unexpected connection during TKIP countermeasures") |
| |
| 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" } |
| hapd = 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], hapd) |
| |
| 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], hapd) |
| hwsim_utils.test_connectivity(dev[0], dev[1]) |
| |
| def test_ap_cipher_bip(dev, apdev): |
| """WPA2-PSK with BIP""" |
| check_group_mgmt_cipher(dev[0], apdev[0], "AES-128-CMAC") |
| |
| def test_ap_cipher_bip_gmac_128(dev, apdev): |
| """WPA2-PSK with BIP-GMAC-128""" |
| check_group_mgmt_cipher(dev[0], apdev[0], "BIP-GMAC-128") |
| |
| def test_ap_cipher_bip_gmac_256(dev, apdev): |
| """WPA2-PSK with BIP-GMAC-256""" |
| check_group_mgmt_cipher(dev[0], apdev[0], "BIP-GMAC-256") |
| |
| def test_ap_cipher_bip_cmac_256(dev, apdev): |
| """WPA2-PSK with BIP-CMAC-256""" |
| check_group_mgmt_cipher(dev[0], apdev[0], "BIP-CMAC-256") |
