| # Test cases for SAE |
| # Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi> |
| # |
| # 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, alloc_fail, fail_test |
| from test_ap_psk import find_wpas_process, read_process_memory, verify_not_present, get_key_locations |
| |
| def test_sae(dev, apdev): |
| """SAE with default group""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| key_mgmt = hapd.get_config()['key_mgmt'] |
| if key_mgmt.split(' ')[0] != "SAE": |
| raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt) |
| |
| dev[0].request("SET sae_groups ") |
| id = dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412") |
| if dev[0].get_status_field('sae_group') != '19': |
| raise Exception("Expected default SAE group not used") |
| bss = dev[0].get_bss(apdev[0]['bssid']) |
| if 'flags' not in bss: |
| raise Exception("Could not get BSS flags from BSS table") |
| if "[WPA2-SAE-CCMP]" not in bss['flags']: |
| raise Exception("Unexpected BSS flags: " + bss['flags']) |
| |
| def test_sae_password_ecc(dev, apdev): |
| """SAE with number of different passwords (ECC)""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].request("SET sae_groups 19") |
| |
| for i in range(10): |
| password = "12345678-" + str(i) |
| hapd.set("wpa_passphrase", password) |
| dev[0].connect("test-sae", psk=password, key_mgmt="SAE", |
| scan_freq="2412") |
| dev[0].request("REMOVE_NETWORK all") |
| dev[0].wait_disconnected() |
| |
| def test_sae_password_ffc(dev, apdev): |
| """SAE with number of different passwords (FFC)""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| params['sae_groups'] = '22' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].request("SET sae_groups 22") |
| |
| for i in range(10): |
| password = "12345678-" + str(i) |
| hapd.set("wpa_passphrase", password) |
| dev[0].connect("test-sae", psk=password, key_mgmt="SAE", |
| scan_freq="2412") |
| dev[0].request("REMOVE_NETWORK all") |
| dev[0].wait_disconnected() |
| |
| def test_sae_pmksa_caching(dev, apdev): |
| """SAE and PMKSA caching""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].request("SET sae_groups ") |
| dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412") |
| ev = hapd.wait_event([ "AP-STA-CONNECTED" ], timeout=5) |
| if ev is None: |
| raise Exception("No connection event received from hostapd") |
| dev[0].request("DISCONNECT") |
| dev[0].wait_disconnected() |
| dev[0].request("RECONNECT") |
| dev[0].wait_connected(timeout=15, error="Reconnect timed out") |
| if dev[0].get_status_field('sae_group') is not None: |
| raise Exception("SAE group claimed to have been used") |
| |
| def test_sae_pmksa_caching_disabled(dev, apdev): |
| """SAE and PMKSA caching disabled""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| params['disable_pmksa_caching'] = '1' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].request("SET sae_groups ") |
| dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412") |
| ev = hapd.wait_event([ "AP-STA-CONNECTED" ], timeout=5) |
| if ev is None: |
| raise Exception("No connection event received from hostapd") |
| dev[0].request("DISCONNECT") |
| dev[0].wait_disconnected() |
| dev[0].request("RECONNECT") |
| dev[0].wait_connected(timeout=15, error="Reconnect timed out") |
| if dev[0].get_status_field('sae_group') != '19': |
| raise Exception("Expected default SAE group not used") |
| |
| def test_sae_groups(dev, apdev): |
| """SAE with all supported groups""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| # This is the full list of supported groups, but groups 14-16 (2048-4096 bit |
| # MODP) and group 21 (521-bit random ECP group) are a bit too slow on some |
| # VMs and can result in hitting the mac80211 authentication timeout, so |
| # allow them to fail and just report such failures in the debug log. |
| sae_groups = [ 19, 25, 26, 20, 21, 2, 5, 14, 15, 16, 22, 23, 24 ] |
| tls = dev[0].request("GET tls_library") |
| if tls.startswith("OpenSSL") and "build=OpenSSL 1.0.2" in tls and "run=OpenSSL 1.0.2" in tls: |
| logger.info("Add Brainpool EC groups since OpenSSL is new enough") |
| sae_groups += [ 27, 28, 29, 30 ] |
| heavy_groups = [ 14, 15, 16 ] |
| groups = [str(g) for g in sae_groups] |
| params = hostapd.wpa2_params(ssid="test-sae-groups", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| params['sae_groups'] = ' '.join(groups) |
| hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| for g in groups: |
| logger.info("Testing SAE group " + g) |
| dev[0].request("SET sae_groups " + g) |
| id = dev[0].connect("test-sae-groups", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412", wait_connect=False) |
| if int(g) in heavy_groups: |
| ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=5) |
| if ev is None: |
| logger.info("No connection with heavy SAE group %s did not connect - likely hitting timeout in mac80211" % g) |
| dev[0].remove_network(id) |
| time.sleep(0.1) |
| dev[0].dump_monitor() |
| continue |
| logger.info("Connection with heavy SAE group " + g) |
| else: |
| ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=10) |
| if ev is None: |
| if "BoringSSL" in tls and int(g) in [ 25 ]: |
| logger.info("Ignore connection failure with group " + g + " with BoringSSL") |
| dev[0].remove_network(id) |
| dev[0].dump_monitor() |
| continue |
| raise Exception("Connection timed out with group " + g) |
| if dev[0].get_status_field('sae_group') != g: |
| raise Exception("Expected SAE group not used") |
| dev[0].remove_network(id) |
| dev[0].wait_disconnected() |
| dev[0].dump_monitor() |
| |
| def test_sae_group_nego(dev, apdev): |
| """SAE group negotiation""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae-group-nego", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| params['sae_groups'] = '19' |
| hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].request("SET sae_groups 25 26 20 19") |
| dev[0].connect("test-sae-group-nego", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412") |
| if dev[0].get_status_field('sae_group') != '19': |
| raise Exception("Expected SAE group not used") |
| |
| def test_sae_anti_clogging(dev, apdev): |
| """SAE anti clogging""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| params['sae_anti_clogging_threshold'] = '1' |
| hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].request("SET sae_groups ") |
| dev[1].request("SET sae_groups ") |
| id = {} |
| for i in range(0, 2): |
| dev[i].scan(freq="2412") |
| id[i] = dev[i].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412", only_add_network=True) |
| for i in range(0, 2): |
| dev[i].select_network(id[i]) |
| for i in range(0, 2): |
| dev[i].wait_connected(timeout=10) |
| |
| def test_sae_forced_anti_clogging(dev, apdev): |
| """SAE anti clogging (forced)""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE WPA-PSK' |
| params['sae_anti_clogging_threshold'] = '0' |
| hostapd.add_ap(apdev[0]['ifname'], params) |
| dev[2].connect("test-sae", psk="12345678", scan_freq="2412") |
| for i in range(0, 2): |
| dev[i].request("SET sae_groups ") |
| dev[i].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412") |
| |
| def test_sae_mixed(dev, apdev): |
| """Mixed SAE and non-SAE network""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE WPA-PSK' |
| params['sae_anti_clogging_threshold'] = '0' |
| hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[2].connect("test-sae", psk="12345678", scan_freq="2412") |
| for i in range(0, 2): |
| dev[i].request("SET sae_groups ") |
| dev[i].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412") |
| |
| def test_sae_missing_password(dev, apdev): |
| """SAE and missing password""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].request("SET sae_groups ") |
| id = dev[0].connect("test-sae", |
| raw_psk="46b4a73b8a951ad53ebd2e0afdb9c5483257edd4c21d12b7710759da70945858", |
| key_mgmt="SAE", scan_freq="2412", wait_connect=False) |
| ev = dev[0].wait_event(['CTRL-EVENT-SSID-TEMP-DISABLED'], timeout=10) |
| if ev is None: |
| raise Exception("Invalid network not temporarily disabled") |
| |
| |
| def test_sae_key_lifetime_in_memory(dev, apdev, params): |
| """SAE and key lifetime in memory""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| password = "5ad144a7c1f5a5503baa6fa01dabc15b1843e8c01662d78d16b70b5cd23cf8b" |
| p = hostapd.wpa2_params(ssid="test-sae", passphrase=password) |
| p['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], p) |
| |
| pid = find_wpas_process(dev[0]) |
| |
| dev[0].request("SET sae_groups ") |
| id = dev[0].connect("test-sae", psk=password, key_mgmt="SAE", |
| scan_freq="2412") |
| |
| time.sleep(1) |
| buf = read_process_memory(pid, password) |
| |
| dev[0].request("DISCONNECT") |
| dev[0].wait_disconnected() |
| |
| dev[0].relog() |
| sae_k = None |
| sae_keyseed = None |
| sae_kck = None |
| pmk = None |
| ptk = None |
| gtk = None |
| with open(os.path.join(params['logdir'], 'log0'), 'r') as f: |
| for l in f.readlines(): |
| if "SAE: k - hexdump" in l: |
| val = l.strip().split(':')[3].replace(' ', '') |
| sae_k = binascii.unhexlify(val) |
| if "SAE: keyseed - hexdump" in l: |
| val = l.strip().split(':')[3].replace(' ', '') |
| sae_keyseed = binascii.unhexlify(val) |
| if "SAE: KCK - hexdump" in l: |
| val = l.strip().split(':')[3].replace(' ', '') |
| sae_kck = binascii.unhexlify(val) |
| if "SAE: PMK - hexdump" in l: |
| val = l.strip().split(':')[3].replace(' ', '') |
| pmk = binascii.unhexlify(val) |
| if "WPA: PTK - hexdump" in l: |
| val = l.strip().split(':')[3].replace(' ', '') |
| ptk = binascii.unhexlify(val) |
| if "WPA: Group Key - hexdump" in l: |
| val = l.strip().split(':')[3].replace(' ', '') |
| gtk = binascii.unhexlify(val) |
| if not sae_k or not sae_keyseed or not sae_kck or not pmk or not ptk or not gtk: |
| raise Exception("Could not find keys from debug log") |
| if len(gtk) != 16: |
| raise Exception("Unexpected GTK length") |
| |
| kck = ptk[0:16] |
| kek = ptk[16:32] |
| tk = ptk[32:48] |
| |
| fname = os.path.join(params['logdir'], |
| 'sae_key_lifetime_in_memory.memctx-') |
| |
| logger.info("Checking keys in memory while associated") |
| get_key_locations(buf, password, "Password") |
| get_key_locations(buf, pmk, "PMK") |
| if password not in buf: |
| raise HwsimSkip("Password not found while associated") |
| if pmk not in buf: |
| raise HwsimSkip("PMK 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") |
| verify_not_present(buf, sae_k, fname, "SAE(k)") |
| verify_not_present(buf, sae_keyseed, fname, "SAE(keyseed)") |
| verify_not_present(buf, sae_kck, fname, "SAE(KCK)") |
| |
| logger.info("Checking keys in memory after disassociation") |
| buf = read_process_memory(pid, password) |
| |
| # Note: Password is still present in network configuration |
| # Note: PMK is in PMKSA cache |
| |
| get_key_locations(buf, password, "Password") |
| get_key_locations(buf, pmk, "PMK") |
| 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") |
| verify_not_present(buf, sae_k, fname, "SAE(k)") |
| verify_not_present(buf, sae_keyseed, fname, "SAE(keyseed)") |
| verify_not_present(buf, sae_kck, fname, "SAE(KCK)") |
| |
| dev[0].request("PMKSA_FLUSH") |
| logger.info("Checking keys in memory after PMKSA cache flush") |
| buf = read_process_memory(pid, password) |
| get_key_locations(buf, password, "Password") |
| get_key_locations(buf, pmk, "PMK") |
| verify_not_present(buf, pmk, fname, "PMK") |
| |
| dev[0].request("REMOVE_NETWORK all") |
| |
| logger.info("Checking keys in memory after network profile removal") |
| buf = read_process_memory(pid, password) |
| |
| get_key_locations(buf, password, "Password") |
| get_key_locations(buf, pmk, "PMK") |
| verify_not_present(buf, password, fname, "password") |
| verify_not_present(buf, pmk, fname, "PMK") |
| 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") |
| verify_not_present(buf, sae_k, fname, "SAE(k)") |
| verify_not_present(buf, sae_keyseed, fname, "SAE(keyseed)") |
| verify_not_present(buf, sae_kck, fname, "SAE(KCK)") |
| |
| def test_sae_oom_wpas(dev, apdev): |
| """SAE and OOM in wpa_supplicant""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].request("SET sae_groups 25") |
| tls = dev[0].request("GET tls_library") |
| if "BoringSSL" in tls: |
| dev[0].request("SET sae_groups 26") |
| with alloc_fail(dev[0], 1, "sae_set_group"): |
| dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412") |
| dev[0].request("REMOVE_NETWORK all") |
| |
| dev[0].request("SET sae_groups ") |
| with alloc_fail(dev[0], 2, "sae_set_group"): |
| dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412") |
| dev[0].request("REMOVE_NETWORK all") |
| |
| def test_sae_proto_ecc(dev, apdev): |
| """SAE protocol testing (ECC)""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| bssid = apdev[0]['bssid'] |
| |
| dev[0].request("SET sae_groups 19") |
| |
| tests = [ ("Confirm mismatch", |
| "1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8", |
| "0000800edebc3f260dc1fe7e0b20888af2b8a3316252ec37388a8504e25b73dc4240"), |
| ("Commit without even full cyclic group field", |
| "13", |
| None), |
| ("Too short commit", |
| "1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02", |
| None), |
| ("Invalid commit scalar (0)", |
| "1300" + "0000000000000000000000000000000000000000000000000000000000000000" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8", |
| None), |
| ("Invalid commit scalar (1)", |
| "1300" + "0000000000000000000000000000000000000000000000000000000000000001" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8", |
| None), |
| ("Invalid commit scalar (> r)", |
| "1300" + "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8", |
| None), |
| ("Commit element not on curve", |
| "1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728d0000000000000000000000000000000000000000000000000000000000000000", |
| None), |
| ("Invalid commit element (y coordinate > P)", |
| "1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", |
| None), |
| ("Invalid commit element (x coordinate > P)", |
| "1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8", |
| None), |
| ("Different group in commit", |
| "1400" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8", |
| None), |
| ("Too short confirm", |
| "1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8", |
| "0000800edebc3f260dc1fe7e0b20888af2b8a3316252ec37388a8504e25b73dc42")] |
| for (note, commit, confirm) in tests: |
| logger.info(note) |
| dev[0].scan_for_bss(bssid, freq=2412) |
| hapd.set("ext_mgmt_frame_handling", "1") |
| dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412", wait_connect=False) |
| |
| logger.info("Commit") |
| for i in range(0, 10): |
| req = hapd.mgmt_rx() |
| if req is None: |
| raise Exception("MGMT RX wait timed out (commit)") |
| if req['subtype'] == 11: |
| break |
| req = None |
| if not req: |
| raise Exception("Authentication frame (commit) not received") |
| |
| hapd.dump_monitor() |
| resp = {} |
| resp['fc'] = req['fc'] |
| resp['da'] = req['sa'] |
| resp['sa'] = req['da'] |
| resp['bssid'] = req['bssid'] |
| resp['payload'] = binascii.unhexlify("030001000000" + commit) |
| hapd.mgmt_tx(resp) |
| |
| if confirm: |
| logger.info("Confirm") |
| for i in range(0, 10): |
| req = hapd.mgmt_rx() |
| if req is None: |
| raise Exception("MGMT RX wait timed out (confirm)") |
| if req['subtype'] == 11: |
| break |
| req = None |
| if not req: |
| raise Exception("Authentication frame (confirm) not received") |
| |
| hapd.dump_monitor() |
| resp = {} |
| resp['fc'] = req['fc'] |
| resp['da'] = req['sa'] |
| resp['sa'] = req['da'] |
| resp['bssid'] = req['bssid'] |
| resp['payload'] = binascii.unhexlify("030002000000" + confirm) |
| hapd.mgmt_tx(resp) |
| |
| time.sleep(0.1) |
| dev[0].request("REMOVE_NETWORK all") |
| hapd.set("ext_mgmt_frame_handling", "0") |
| hapd.dump_monitor() |
| |
| def test_sae_proto_ffc(dev, apdev): |
| """SAE protocol testing (FFC)""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| bssid = apdev[0]['bssid'] |
| |
| dev[0].request("SET sae_groups 2") |
| |
| tests = [ ("Confirm mismatch", |
| "0200" + "0c70519d874e3e4930a917cc5e17ea7a26028211159f217bab28b8d6c56691805e49f03249b2c6e22c7c9f86b30e04ccad2deedd5e5108ae07b737c00001c59cd0eb08b1dfc7f1b06a1542e2b6601a963c066e0c65940983a03917ae57a101ce84b5cbbc76ff33ebb990aac2e54aa0f0ab6ec0a58113d927683502b2cb2347d2" + "a8c00117493cdffa5dd671e934bc9cb1a69f39e25e9dd9cd9afd3aea2441a0f5491211c7ba50a753563f9ce943b043557cb71193b28e86ed9544f4289c471bf91b70af5c018cf4663e004165b0fd0bc1d8f3f78adf42eee92bcbc55246fd3ee9f107ab965dc7d4986f23eb71d616ebfe6bfe0a6c1ac5dc1718acee17c9a17486", |
| "0000f3116a9731f1259622e3eb55d4b3b50ba16f8c5f5565b28e609b180c51460251"), |
| ("Too short commit", |
| "0200" + "0c70519d874e3e4930a917cc5e17ea7a26028211159f217bab28b8d6c56691805e49f03249b2c6e22c7c9f86b30e04ccad2deedd5e5108ae07b737c00001c59cd0eb08b1dfc7f1b06a1542e2b6601a963c066e0c65940983a03917ae57a101ce84b5cbbc76ff33ebb990aac2e54aa0f0ab6ec0a58113d927683502b2cb2347d2" + "a8c00117493cdffa5dd671e934bc9cb1a69f39e25e9dd9cd9afd3aea2441a0f5491211c7ba50a753563f9ce943b043557cb71193b28e86ed9544f4289c471bf91b70af5c018cf4663e004165b0fd0bc1d8f3f78adf42eee92bcbc55246fd3ee9f107ab965dc7d4986f23eb71d616ebfe6bfe0a6c1ac5dc1718acee17c9a174", |
| None), |
| ("Invalid element (0) in commit", |
| "0200" + "0c70519d874e3e4930a917cc5e17ea7a26028211159f217bab28b8d6c56691805e49f03249b2c6e22c7c9f86b30e04ccad2deedd5e5108ae07b737c00001c59cd0eb08b1dfc7f1b06a1542e2b6601a963c066e0c65940983a03917ae57a101ce84b5cbbc76ff33ebb990aac2e54aa0f0ab6ec0a58113d927683502b2cb2347d2" + "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", |
| None), |
| ("Invalid element (1) in commit", |
| "0200" + "0c70519d874e3e4930a917cc5e17ea7a26028211159f217bab28b8d6c56691805e49f03249b2c6e22c7c9f86b30e04ccad2deedd5e5108ae07b737c00001c59cd0eb08b1dfc7f1b06a1542e2b6601a963c066e0c65940983a03917ae57a101ce84b5cbbc76ff33ebb990aac2e54aa0f0ab6ec0a58113d927683502b2cb2347d2" + "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001", |
| None), |
| ("Invalid element (> P) in commit", |
| "0200" + "0c70519d874e3e4930a917cc5e17ea7a26028211159f217bab28b8d6c56691805e49f03249b2c6e22c7c9f86b30e04ccad2deedd5e5108ae07b737c00001c59cd0eb08b1dfc7f1b06a1542e2b6601a963c066e0c65940983a03917ae57a101ce84b5cbbc76ff33ebb990aac2e54aa0f0ab6ec0a58113d927683502b2cb2347d2" + "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", |
| None) ] |
| for (note, commit, confirm) in tests: |
| logger.info(note) |
| dev[0].scan_for_bss(bssid, freq=2412) |
| hapd.set("ext_mgmt_frame_handling", "1") |
| dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412", wait_connect=False) |
| |
| logger.info("Commit") |
| for i in range(0, 10): |
| req = hapd.mgmt_rx() |
| if req is None: |
| raise Exception("MGMT RX wait timed out (commit)") |
| if req['subtype'] == 11: |
| break |
| req = None |
| if not req: |
| raise Exception("Authentication frame (commit) not received") |
| |
| hapd.dump_monitor() |
| resp = {} |
| resp['fc'] = req['fc'] |
| resp['da'] = req['sa'] |
| resp['sa'] = req['da'] |
| resp['bssid'] = req['bssid'] |
| resp['payload'] = binascii.unhexlify("030001000000" + commit) |
| hapd.mgmt_tx(resp) |
| |
| if confirm: |
| logger.info("Confirm") |
| for i in range(0, 10): |
| req = hapd.mgmt_rx() |
| if req is None: |
| raise Exception("MGMT RX wait timed out (confirm)") |
| if req['subtype'] == 11: |
| break |
| req = None |
| if not req: |
| raise Exception("Authentication frame (confirm) not received") |
| |
| hapd.dump_monitor() |
| resp = {} |
| resp['fc'] = req['fc'] |
| resp['da'] = req['sa'] |
| resp['sa'] = req['da'] |
| resp['bssid'] = req['bssid'] |
| resp['payload'] = binascii.unhexlify("030002000000" + confirm) |
| hapd.mgmt_tx(resp) |
| |
| time.sleep(0.1) |
| dev[0].request("REMOVE_NETWORK all") |
| hapd.set("ext_mgmt_frame_handling", "0") |
| hapd.dump_monitor() |
| |
| def test_sae_no_ffc_by_default(dev, apdev): |
| """SAE and default groups rejecting FFC""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].request("SET sae_groups 5") |
| dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", scan_freq="2412", |
| wait_connect=False) |
| ev = dev[0].wait_event(["SME: Trying to authenticate"], timeout=3) |
| if ev is None: |
| raise Exception("Did not try to authenticate") |
| ev = dev[0].wait_event(["SME: Trying to authenticate"], timeout=3) |
| if ev is None: |
| raise Exception("Did not try to authenticate (2)") |
| dev[0].request("REMOVE_NETWORK all") |
| |
| def sae_reflection_attack(apdev, dev, group): |
| if "SAE" not in dev.get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="no-knowledge-of-passphrase") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev['ifname'], params) |
| bssid = apdev['bssid'] |
| |
| dev.scan_for_bss(bssid, freq=2412) |
| hapd.set("ext_mgmt_frame_handling", "1") |
| |
| dev.request("SET sae_groups %d" % group) |
| dev.connect("test-sae", psk="reflection-attack", key_mgmt="SAE", |
| scan_freq="2412", wait_connect=False) |
| |
| # Commit |
| for i in range(0, 10): |
| req = hapd.mgmt_rx() |
| if req is None: |
| raise Exception("MGMT RX wait timed out") |
| if req['subtype'] == 11: |
| break |
| req = None |
| if not req: |
| raise Exception("Authentication frame not received") |
| |
| resp = {} |
| resp['fc'] = req['fc'] |
| resp['da'] = req['sa'] |
| resp['sa'] = req['da'] |
| resp['bssid'] = req['bssid'] |
| resp['payload'] = req['payload'] |
| hapd.mgmt_tx(resp) |
| |
| # Confirm |
| req = hapd.mgmt_rx(timeout=0.5) |
| if req is not None: |
| if req['subtype'] == 11: |
| raise Exception("Unexpected Authentication frame seen") |
| |
| def test_sae_reflection_attack_ecc(dev, apdev): |
| """SAE reflection attack (ECC)""" |
| sae_reflection_attack(apdev[0], dev[0], 19) |
| |
| def test_sae_reflection_attack_ffc(dev, apdev): |
| """SAE reflection attack (FFC)""" |
| sae_reflection_attack(apdev[0], dev[0], 5) |
| |
| def test_sae_anti_clogging_proto(dev, apdev): |
| """SAE anti clogging protocol testing""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", |
| passphrase="no-knowledge-of-passphrase") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| bssid = apdev[0]['bssid'] |
| |
| dev[0].scan_for_bss(bssid, freq=2412) |
| hapd.set("ext_mgmt_frame_handling", "1") |
| |
| dev[0].request("SET sae_groups ") |
| dev[0].connect("test-sae", psk="anti-cloggign", key_mgmt="SAE", |
| scan_freq="2412", wait_connect=False) |
| |
| # Commit |
| for i in range(0, 10): |
| req = hapd.mgmt_rx() |
| if req is None: |
| raise Exception("MGMT RX wait timed out") |
| if req['subtype'] == 11: |
| break |
| req = None |
| if not req: |
| raise Exception("Authentication frame not received") |
| |
| resp = {} |
| resp['fc'] = req['fc'] |
| resp['da'] = req['sa'] |
| resp['sa'] = req['da'] |
| resp['bssid'] = req['bssid'] |
| resp['payload'] = binascii.unhexlify("030001004c00" + "ffff00") |
| hapd.mgmt_tx(resp) |
| |
| # Confirm (not received due to DH group being rejected) |
| req = hapd.mgmt_rx(timeout=0.5) |
| if req is not None: |
| if req['subtype'] == 11: |
| raise Exception("Unexpected Authentication frame seen") |
| |
| def test_sae_no_random(dev, apdev): |
| """SAE and no random numbers available""" |
| if "SAE" not in dev[0].get_capability("auth_alg"): |
| raise HwsimSkip("SAE not supported") |
| params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678") |
| params['wpa_key_mgmt'] = 'SAE' |
| hapd = hostapd.add_ap(apdev[0]['ifname'], params) |
| |
| dev[0].request("SET sae_groups ") |
| tests = [ (1, "os_get_random;sae_get_rand"), |
| (1, "os_get_random;get_rand_1_to_p_1"), |
| (1, "os_get_random;get_random_qr_qnr"), |
| (1, "os_get_random;sae_derive_pwe_ecc") ] |
| for count, func in tests: |
| with fail_test(dev[0], count, func): |
| dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", |
| scan_freq="2412") |
| dev[0].request("REMOVE_NETWORK all") |
| dev[0].wait_disconnected() |
