# Fast BSS Transition tests # Copyright (c) 2013-2014, Jouni Malinen # # This software may be distributed under the terms of the BSD license. # See README for more details. import binascii import os import time import subprocess import logging logger = logging.getLogger() import hwsim_utils import hostapd from utils import HwsimSkip from wlantest import Wlantest from test_ap_psk import check_mib, find_wpas_process, read_process_memory, verify_not_present, get_key_locations def ft_base_rsn(): params = { "wpa": "2", "wpa_key_mgmt": "FT-PSK", "rsn_pairwise": "CCMP" } return params def ft_base_mixed(): params = { "wpa": "3", "wpa_key_mgmt": "WPA-PSK FT-PSK", "wpa_pairwise": "TKIP", "rsn_pairwise": "CCMP" } return params def ft_params(rsn=True, ssid=None, passphrase=None): if rsn: params = ft_base_rsn() else: params = ft_base_mixed() if ssid: params["ssid"] = ssid if passphrase: params["wpa_passphrase"] = passphrase params["mobility_domain"] = "a1b2" params["r0_key_lifetime"] = "10000" params["pmk_r1_push"] = "1" params["reassociation_deadline"] = "1000" return params def ft_params1(rsn=True, ssid=None, passphrase=None): params = ft_params(rsn, ssid, passphrase) params['nas_identifier'] = "nas1.w1.fi" params['r1_key_holder'] = "000102030405" params['r0kh'] = [ "02:00:00:00:03:00 nas1.w1.fi 100102030405060708090a0b0c0d0e0f", "02:00:00:00:04:00 nas2.w1.fi 300102030405060708090a0b0c0d0e0f" ] params['r1kh'] = "02:00:00:00:04:00 00:01:02:03:04:06 200102030405060708090a0b0c0d0e0f" return params def ft_params2(rsn=True, ssid=None, passphrase=None): params = ft_params(rsn, ssid, passphrase) params['nas_identifier'] = "nas2.w1.fi" params['r1_key_holder'] = "000102030406" params['r0kh'] = [ "02:00:00:00:03:00 nas1.w1.fi 200102030405060708090a0b0c0d0e0f", "02:00:00:00:04:00 nas2.w1.fi 000102030405060708090a0b0c0d0e0f" ] params['r1kh'] = "02:00:00:00:03:00 00:01:02:03:04:05 300102030405060708090a0b0c0d0e0f" return params def ft_params1_r0kh_mismatch(rsn=True, ssid=None, passphrase=None): params = ft_params(rsn, ssid, passphrase) params['nas_identifier'] = "nas1.w1.fi" params['r1_key_holder'] = "000102030405" params['r0kh'] = [ "02:00:00:00:03:00 nas1.w1.fi 100102030405060708090a0b0c0d0e0f", "12:00:00:00:04:00 nas2.w1.fi 300102030405060708090a0b0c0d0e0f" ] params['r1kh'] = "12:00:00:00:04:00 10:01:02:03:04:06 200102030405060708090a0b0c0d0e0f" return params def ft_params2_incorrect_rrb_key(rsn=True, ssid=None, passphrase=None): params = ft_params(rsn, ssid, passphrase) params['nas_identifier'] = "nas2.w1.fi" params['r1_key_holder'] = "000102030406" params['r0kh'] = [ "02:00:00:00:03:00 nas1.w1.fi 200102030405060708090a0b0c0d0ef1", "02:00:00:00:04:00 nas2.w1.fi 000102030405060708090a0b0c0d0ef2" ] params['r1kh'] = "02:00:00:00:03:00 00:01:02:03:04:05 300102030405060708090a0b0c0d0ef3" return params def ft_params2_r0kh_mismatch(rsn=True, ssid=None, passphrase=None): params = ft_params(rsn, ssid, passphrase) params['nas_identifier'] = "nas2.w1.fi" params['r1_key_holder'] = "000102030406" params['r0kh'] = [ "12:00:00:00:03:00 nas1.w1.fi 200102030405060708090a0b0c0d0e0f", "02:00:00:00:04:00 nas2.w1.fi 000102030405060708090a0b0c0d0e0f" ] params['r1kh'] = "12:00:00:00:03:00 10:01:02:03:04:05 300102030405060708090a0b0c0d0e0f" return params def run_roams(dev, apdev, hapd0, hapd1, ssid, passphrase, over_ds=False, sae=False, eap=False, fail_test=False, roams=1): logger.info("Connect to first AP") if eap: dev.connect(ssid, key_mgmt="FT-EAP", proto="WPA2", ieee80211w="1", eap="GPSK", identity="gpsk user", password="abcdefghijklmnop0123456789abcdef", scan_freq="2412") else: if sae: key_mgmt="FT-SAE" else: key_mgmt="FT-PSK" dev.connect(ssid, psk=passphrase, key_mgmt=key_mgmt, proto="WPA2", ieee80211w="1", scan_freq="2412") if dev.get_status_field('bssid') == apdev[0]['bssid']: ap1 = apdev[0] ap2 = apdev[1] hapd1ap = hapd0 hapd2ap = hapd1 else: ap1 = apdev[1] ap2 = apdev[0] hapd1ap = hapd1 hapd2ap = hapd0 hwsim_utils.test_connectivity(dev, hapd1ap) dev.scan_for_bss(ap2['bssid'], freq="2412") for i in range(0, roams): logger.info("Roam to the second AP") if over_ds: dev.roam_over_ds(ap2['bssid'], fail_test=fail_test) else: dev.roam(ap2['bssid'], fail_test=fail_test) if fail_test: return if dev.get_status_field('bssid') != ap2['bssid']: raise Exception("Did not connect to correct AP") if i == 0 or i == roams - 1: hwsim_utils.test_connectivity(dev, hapd2ap) logger.info("Roam back to the first AP") if over_ds: dev.roam_over_ds(ap1['bssid']) else: dev.roam(ap1['bssid']) if dev.get_status_field('bssid') != ap1['bssid']: raise Exception("Did not connect to correct AP") if i == 0 or i == roams - 1: hwsim_utils.test_connectivity(dev, hapd1ap) def test_ap_ft(dev, apdev): """WPA2-PSK-FT AP""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase) if "[WPA2-FT/PSK-CCMP]" not in dev[0].request("SCAN_RESULTS"): raise Exception("Scan results missing RSN element info") def test_ap_ft_many(dev, apdev): """WPA2-PSK-FT AP multiple times""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, roams=50) def test_ap_ft_mixed(dev, apdev): """WPA2-PSK-FT mixed-mode AP""" ssid = "test-ft-mixed" passphrase="12345678" params = ft_params1(rsn=False, ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(apdev[0]['ifname'], params) key_mgmt = hapd.get_config()['key_mgmt'] vals = key_mgmt.split(' ') if vals[0] != "WPA-PSK" or vals[1] != "FT-PSK": raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt) params = ft_params2(rsn=False, ssid=ssid, passphrase=passphrase) hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd, hapd1, ssid, passphrase) def test_ap_ft_pmf(dev, apdev): """WPA2-PSK-FT AP with PMF""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) params["ieee80211w"] = "2"; hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) params["ieee80211w"] = "2"; hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase) def test_ap_ft_over_ds(dev, apdev): """WPA2-PSK-FT AP over DS""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, over_ds=True) check_mib(dev[0], [ ("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-4"), ("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-4") ]) def test_ap_ft_over_ds_many(dev, apdev): """WPA2-PSK-FT AP over DS multiple times""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, over_ds=True, roams=50) def test_ap_ft_over_ds_unknown_target(dev, apdev): """WPA2-PSK-FT AP""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, key_mgmt="FT-PSK", proto="WPA2", scan_freq="2412") dev[0].roam_over_ds("02:11:22:33:44:55", fail_test=True) def test_ap_ft_over_ds_unexpected(dev, apdev): """WPA2-PSK-FT AP over DS and unexpected response""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) dev[0].connect(ssid, psk=passphrase, key_mgmt="FT-PSK", proto="WPA2", scan_freq="2412") if dev[0].get_status_field('bssid') == apdev[0]['bssid']: ap1 = apdev[0] ap2 = apdev[1] hapd1ap = hapd0 hapd2ap = hapd1 else: ap1 = apdev[1] ap2 = apdev[0] hapd1ap = hapd1 hapd2ap = hapd0 addr = dev[0].own_addr() hapd1ap.set("ext_mgmt_frame_handling", "1") logger.info("Foreign STA address") msg = {} msg['fc'] = 13 << 4 msg['da'] = addr msg['sa'] = ap1['bssid'] msg['bssid'] = ap1['bssid'] msg['payload'] = binascii.unhexlify("06021122334455660102030405060000") hapd1ap.mgmt_tx(msg) logger.info("No over-the-DS in progress") msg['payload'] = binascii.unhexlify("0602" + addr.replace(':', '') + "0102030405060000") hapd1ap.mgmt_tx(msg) logger.info("Non-zero status code") msg['payload'] = binascii.unhexlify("0602" + addr.replace(':', '') + "0102030405060100") hapd1ap.mgmt_tx(msg) hapd1ap.dump_monitor() dev[0].scan_for_bss(ap2['bssid'], freq="2412") if "OK" not in dev[0].request("FT_DS " + ap2['bssid']): raise Exception("FT_DS failed") req = hapd1ap.mgmt_rx() logger.info("Foreign Target AP") msg['payload'] = binascii.unhexlify("0602" + addr.replace(':', '') + "0102030405060000") hapd1ap.mgmt_tx(msg) addrs = addr.replace(':', '') + ap2['bssid'].replace(':', '') logger.info("No IEs") msg['payload'] = binascii.unhexlify("0602" + addrs + "0000") hapd1ap.mgmt_tx(msg) logger.info("Invalid IEs (trigger parsing failure)") msg['payload'] = binascii.unhexlify("0602" + addrs + "00003700") hapd1ap.mgmt_tx(msg) logger.info("Too short MDIE") msg['payload'] = binascii.unhexlify("0602" + addrs + "000036021122") hapd1ap.mgmt_tx(msg) logger.info("Mobility domain mismatch") msg['payload'] = binascii.unhexlify("0602" + addrs + "00003603112201") hapd1ap.mgmt_tx(msg) logger.info("No FTIE") msg['payload'] = binascii.unhexlify("0602" + addrs + "00003603a1b201") hapd1ap.mgmt_tx(msg) logger.info("FTIE SNonce mismatch") msg['payload'] = binascii.unhexlify("0602" + addrs + "00003603a1b201375e0000" + "00000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "1000000000000000000000000000000000000000000000000000000000000001" + "030a6e6173322e77312e6669") hapd1ap.mgmt_tx(msg) logger.info("No R0KH-ID subelem in FTIE") snonce = binascii.hexlify(req['payload'][111:111+32]) msg['payload'] = binascii.unhexlify("0602" + addrs + "00003603a1b20137520000" + "00000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + snonce) hapd1ap.mgmt_tx(msg) logger.info("No R0KH-ID subelem mismatch in FTIE") snonce = binascii.hexlify(req['payload'][111:111+32]) msg['payload'] = binascii.unhexlify("0602" + addrs + "00003603a1b201375e0000" + "00000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + snonce + "030a11223344556677889900") hapd1ap.mgmt_tx(msg) logger.info("No R1KH-ID subelem in FTIE") r0khid = binascii.hexlify(req['payload'][145:145+10]) msg['payload'] = binascii.unhexlify("0602" + addrs + "00003603a1b201375e0000" + "00000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + snonce + "030a" + r0khid) hapd1ap.mgmt_tx(msg) logger.info("No RSNE") r0khid = binascii.hexlify(req['payload'][145:145+10]) msg['payload'] = binascii.unhexlify("0602" + addrs + "00003603a1b20137660000" + "00000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + snonce + "030a" + r0khid + "0106000102030405") hapd1ap.mgmt_tx(msg) def test_ap_ft_pmf_over_ds(dev, apdev): """WPA2-PSK-FT AP over DS with PMF""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) params["ieee80211w"] = "2"; hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) params["ieee80211w"] = "2"; hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, over_ds=True) def test_ap_ft_over_ds_pull(dev, apdev): """WPA2-PSK-FT AP over DS (pull PMK)""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) params["pmk_r1_push"] = "0" hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) params["pmk_r1_push"] = "0" hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, over_ds=True) def test_ap_ft_sae(dev, apdev): """WPA2-PSK-FT-SAE AP""" if "SAE" not in dev[0].get_capability("auth_alg"): raise HwsimSkip("SAE not supported") ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) params['wpa_key_mgmt'] = "FT-SAE" hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) params['wpa_key_mgmt'] = "FT-SAE" hapd = hostapd.add_ap(apdev[1]['ifname'], params) key_mgmt = hapd.get_config()['key_mgmt'] if key_mgmt.split(' ')[0] != "FT-SAE": raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt) dev[0].request("SET sae_groups ") run_roams(dev[0], apdev, hapd0, hapd, ssid, passphrase, sae=True) def test_ap_ft_sae_over_ds(dev, apdev): """WPA2-PSK-FT-SAE AP over DS""" if "SAE" not in dev[0].get_capability("auth_alg"): raise HwsimSkip("SAE not supported") ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) params['wpa_key_mgmt'] = "FT-SAE" hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) params['wpa_key_mgmt'] = "FT-SAE" hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) dev[0].request("SET sae_groups ") run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, sae=True, over_ds=True) def test_ap_ft_eap(dev, apdev): """WPA2-EAP-FT AP""" ssid = "test-ft" passphrase="12345678" radius = hostapd.radius_params() params = ft_params1(ssid=ssid, passphrase=passphrase) params['wpa_key_mgmt'] = "FT-EAP" params["ieee8021x"] = "1" params = dict(radius.items() + params.items()) hapd = hostapd.add_ap(apdev[0]['ifname'], params) key_mgmt = hapd.get_config()['key_mgmt'] if key_mgmt.split(' ')[0] != "FT-EAP": raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt) params = ft_params2(ssid=ssid, passphrase=passphrase) params['wpa_key_mgmt'] = "FT-EAP" params["ieee8021x"] = "1" params = dict(radius.items() + params.items()) hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd, hapd1, ssid, passphrase, eap=True) if "[WPA2-FT/EAP-CCMP]" not in dev[0].request("SCAN_RESULTS"): raise Exception("Scan results missing RSN element info") check_mib(dev[0], [ ("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-3"), ("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-3") ]) def test_ap_ft_eap_pull(dev, apdev): """WPA2-EAP-FT AP (pull PMK)""" ssid = "test-ft" passphrase="12345678" radius = hostapd.radius_params() params = ft_params1(ssid=ssid, passphrase=passphrase) params['wpa_key_mgmt'] = "FT-EAP" params["ieee8021x"] = "1" params["pmk_r1_push"] = "0" params = dict(radius.items() + params.items()) hapd = hostapd.add_ap(apdev[0]['ifname'], params) key_mgmt = hapd.get_config()['key_mgmt'] if key_mgmt.split(' ')[0] != "FT-EAP": raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt) params = ft_params2(ssid=ssid, passphrase=passphrase) params['wpa_key_mgmt'] = "FT-EAP" params["ieee8021x"] = "1" params["pmk_r1_push"] = "0" params = dict(radius.items() + params.items()) hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd, hapd1, ssid, passphrase, eap=True) def test_ap_ft_mismatching_rrb_key_push(dev, apdev): """WPA2-PSK-FT AP over DS with mismatching RRB key (push)""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) params["ieee80211w"] = "2"; hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2_incorrect_rrb_key(ssid=ssid, passphrase=passphrase) params["ieee80211w"] = "2"; hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, over_ds=True, fail_test=True) def test_ap_ft_mismatching_rrb_key_pull(dev, apdev): """WPA2-PSK-FT AP over DS with mismatching RRB key (pull)""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) params["pmk_r1_push"] = "0" hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2_incorrect_rrb_key(ssid=ssid, passphrase=passphrase) params["pmk_r1_push"] = "0" hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, over_ds=True, fail_test=True) def test_ap_ft_mismatching_r0kh_id_pull(dev, apdev): """WPA2-PSK-FT AP over DS with mismatching R0KH-ID (pull)""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) params["pmk_r1_push"] = "0" params["nas_identifier"] = "nas0.w1.fi" hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, key_mgmt="FT-PSK", proto="WPA2", scan_freq="2412") params = ft_params2(ssid=ssid, passphrase=passphrase) params["pmk_r1_push"] = "0" hostapd.add_ap(apdev[1]['ifname'], params) dev[0].scan_for_bss(apdev[1]['bssid'], freq="2412") dev[0].roam_over_ds(apdev[1]['bssid'], fail_test=True) def test_ap_ft_mismatching_rrb_r0kh_push(dev, apdev): """WPA2-PSK-FT AP over DS with mismatching R0KH key (push)""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) params["ieee80211w"] = "2"; hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2_r0kh_mismatch(ssid=ssid, passphrase=passphrase) params["ieee80211w"] = "2"; hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, over_ds=True, fail_test=True) def test_ap_ft_mismatching_rrb_r0kh_pull(dev, apdev): """WPA2-PSK-FT AP over DS with mismatching R0KH key (pull)""" ssid = "test-ft" passphrase="12345678" params = ft_params1_r0kh_mismatch(ssid=ssid, passphrase=passphrase) params["pmk_r1_push"] = "0" hapd0 = hostapd.add_ap(apdev[0]['ifname'], params) params = ft_params2(ssid=ssid, passphrase=passphrase) params["pmk_r1_push"] = "0" hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, over_ds=True, fail_test=True) def test_ap_ft_gtk_rekey(dev, apdev): """WPA2-PSK-FT AP and GTK rekey""" ssid = "test-ft" passphrase="12345678" params = ft_params1(ssid=ssid, passphrase=passphrase) params['wpa_group_rekey'] = '1' hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, key_mgmt="FT-PSK", proto="WPA2", ieee80211w="1", scan_freq="2412") ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2) if ev is None: raise Exception("GTK rekey timed out after initial association") hwsim_utils.test_connectivity(dev[0], hapd) params = ft_params2(ssid=ssid, passphrase=passphrase) params['wpa_group_rekey'] = '1' hapd1 = hostapd.add_ap(apdev[1]['ifname'], params) dev[0].scan_for_bss(apdev[1]['bssid'], freq="2412") dev[0].roam(apdev[1]['bssid']) if dev[0].get_status_field('bssid') != apdev[1]['bssid']: raise Exception("Did not connect to correct AP") hwsim_utils.test_connectivity(dev[0], hapd1) ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2) if ev is None: raise Exception("GTK rekey timed out after FT protocol") hwsim_utils.test_connectivity(dev[0], hapd1) def test_ft_psk_key_lifetime_in_memory(dev, apdev, params): """WPA2-PSK-FT and key lifetime in memory""" ssid = "test-ft" passphrase="04c2726b4b8d5f1b4db9c07aa4d9e9d8f765cb5d25ec817e6cc4fcdd5255db0" psk = '93c90846ff67af9037ed83fb72b63dbeddaa81d47f926c20909b5886f1d9358d' pmk = binascii.unhexlify(psk) p = ft_params1(ssid=ssid, passphrase=passphrase) hapd0 = hostapd.add_ap(apdev[0]['ifname'], p) p = ft_params2(ssid=ssid, passphrase=passphrase) hapd1 = hostapd.add_ap(apdev[1]['ifname'], p) pid = find_wpas_process(dev[0]) dev[0].connect(ssid, psk=passphrase, key_mgmt="FT-PSK", proto="WPA2", scan_freq="2412") time.sleep(1) buf = read_process_memory(pid, pmk) dev[0].request("DISCONNECT") dev[0].wait_disconnected() dev[0].relog() pmkr0 = None pmkr1 = None ptk = None gtk = None with open(os.path.join(params['logdir'], 'log0'), 'r') as f: for l in f.readlines(): if "FT: PMK-R0 - hexdump" in l: val = l.strip().split(':')[3].replace(' ', '') pmkr0 = binascii.unhexlify(val) if "FT: PMK-R1 - hexdump" in l: val = l.strip().split(':')[3].replace(' ', '') pmkr1 = binascii.unhexlify(val) if "FT: KCK - hexdump" in l: val = l.strip().split(':')[3].replace(' ', '') kck = binascii.unhexlify(val) if "FT: KEK - hexdump" in l: val = l.strip().split(':')[3].replace(' ', '') kek = binascii.unhexlify(val) if "FT: TK - hexdump" in l: val = l.strip().split(':')[3].replace(' ', '') tk = binascii.unhexlify(val) if "WPA: Group Key - hexdump" in l: val = l.strip().split(':')[3].replace(' ', '') gtk = binascii.unhexlify(val) if not pmkr0 or not pmkr1 or not kck or not kek or not tk or not gtk: raise Exception("Could not find keys from debug log") if len(gtk) != 16: raise Exception("Unexpected GTK length") logger.info("Checking keys in memory while associated") get_key_locations(buf, pmk, "PMK") get_key_locations(buf, pmkr0, "PMK-R0") get_key_locations(buf, pmkr1, "PMK-R1") if pmk not in buf: raise HwsimSkip("PMK not found while associated") if pmkr0 not in buf: raise HwsimSkip("PMK-R0 not found while associated") if pmkr1 not in buf: raise HwsimSkip("PMK-R1 not found while associated") if kck not in buf: raise Exception("KCK not found while associated") if kek not in buf: raise Exception("KEK not found while associated") if tk in buf: raise Exception("TK found from memory") if gtk in buf: raise Exception("GTK found from memory") logger.info("Checking keys in memory after disassociation") buf = read_process_memory(pid, pmk) get_key_locations(buf, pmk, "PMK") get_key_locations(buf, pmkr0, "PMK-R0") get_key_locations(buf, pmkr1, "PMK-R1") # Note: PMK/PSK is still present in network configuration fname = os.path.join(params['logdir'], 'ft_psk_key_lifetime_in_memory.memctx-') verify_not_present(buf, pmkr0, fname, "PMK-R0") verify_not_present(buf, pmkr1, fname, "PMK-R1") verify_not_present(buf, kck, fname, "KCK") verify_not_present(buf, kek, fname, "KEK") verify_not_present(buf, tk, fname, "TK") verify_not_present(buf, gtk, fname, "GTK") dev[0].request("REMOVE_NETWORK all") logger.info("Checking keys in memory after network profile removal") buf = read_process_memory(pid, pmk) get_key_locations(buf, pmk, "PMK") get_key_locations(buf, pmkr0, "PMK-R0") get_key_locations(buf, pmkr1, "PMK-R1") verify_not_present(buf, pmk, fname, "PMK") verify_not_present(buf, pmkr0, fname, "PMK-R0") verify_not_present(buf, pmkr1, fname, "PMK-R1") verify_not_present(buf, kck, fname, "KCK") verify_not_present(buf, kek, fname, "KEK") verify_not_present(buf, tk, fname, "TK") verify_not_present(buf, gtk, fname, "GTK")