From 53d7f351f46236b9049761bfc02d0dc858953860 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Wed, 13 Sep 2017 22:07:08 +0300 Subject: [PATCH] tests: FILS SK with PFS and PMKSA caching Signed-off-by: Jouni Malinen --- tests/hwsim/test_fils.py | 107 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) diff --git a/tests/hwsim/test_fils.py b/tests/hwsim/test_fils.py index bd23654cb..34291036a 100644 --- a/tests/hwsim/test_fils.py +++ b/tests/hwsim/test_fils.py @@ -1443,6 +1443,113 @@ def test_fils_sk_pfs_group_mismatch(dev, apdev, params): if "auth_type=5 auth_transaction=2 status_code=77" not in ev: raise Exception("Unexpected auth reject value: " + ev) +def test_fils_sk_pfs_pmksa_caching(dev, apdev, params): + """FILS SK with PFS and PMKSA caching""" + check_fils_sk_pfs_capa(dev[0]) + check_erp_capa(dev[0]) + + start_erp_as(apdev[1], msk_dump=os.path.join(params['logdir'], "msk.lst")) + + bssid = apdev[0]['bssid'] + params = hostapd.wpa2_eap_params(ssid="fils") + params['wpa_key_mgmt'] = "FILS-SHA256" + params['auth_server_port'] = "18128" + params['erp_domain'] = 'example.com' + params['fils_realm'] = 'example.com' + params['fils_dh_group'] = "19" + hapd = hostapd.add_ap(apdev[0]['ifname'], params) + + dev[0].scan_for_bss(bssid, freq=2412) + dev[0].request("ERP_FLUSH") + id = dev[0].connect("fils", key_mgmt="FILS-SHA256", + eap="PSK", identity="psk.user@example.com", + password_hex="0123456789abcdef0123456789abcdef", + erp="1", fils_dh_group="19", scan_freq="2412") + pmksa = dev[0].get_pmksa(bssid) + if pmksa is None: + raise Exception("No PMKSA cache entry created") + + dev[0].request("DISCONNECT") + dev[0].wait_disconnected() + + # FILS authentication with PMKSA caching and PFS + dev[0].dump_monitor() + dev[0].select_network(id, freq=2412) + ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED", + "CTRL-EVENT-CONNECTED"], timeout=10) + if ev is None: + raise Exception("Connection using PMKSA caching timed out") + if "CTRL-EVENT-EAP-STARTED" in ev: + raise Exception("Unexpected EAP exchange") + hwsim_utils.test_connectivity(dev[0], hapd) + pmksa2 = dev[0].get_pmksa(bssid) + if pmksa2 is None: + raise Exception("No PMKSA cache entry found") + if pmksa['pmkid'] != pmksa2['pmkid']: + raise Exception("Unexpected PMKID change") + + # Verify EAPOL reauthentication after FILS authentication + hapd.request("EAPOL_REAUTH " + dev[0].own_addr()) + ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=5) + if ev is None: + raise Exception("EAP authentication did not start") + ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=5) + if ev is None: + raise Exception("EAP authentication did not succeed") + time.sleep(0.1) + hwsim_utils.test_connectivity(dev[0], hapd) + + dev[0].request("DISCONNECT") + dev[0].wait_disconnected() + + # FILS authentication with ERP and PFS + dev[0].request("PMKSA_FLUSH") + dev[0].dump_monitor() + dev[0].select_network(id, freq=2412) + ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED", + "CTRL-EVENT-EAP-SUCCESS", + "CTRL-EVENT-CONNECTED"], timeout=10) + if ev is None: + raise Exception("Connection using ERP and PFS timed out") + if "CTRL-EVENT-EAP-STARTED" in ev: + raise Exception("Unexpected EAP exchange") + if "CTRL-EVENT-EAP-SUCCESS" not in ev: + raise Exception("ERP success not reported") + ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED", + "SME: Trying to authenticate", + "CTRL-EVENT-CONNECTED"], timeout=10) + if ev is None: + raise Exception("Connection using ERP and PFS timed out") + if "CTRL-EVENT-EAP-STARTED" in ev: + raise Exception("Unexpected EAP exchange") + if "SME: Trying to authenticate" in ev: + raise Exception("Unexpected extra authentication round with ERP and PFS") + hwsim_utils.test_connectivity(dev[0], hapd) + pmksa3 = dev[0].get_pmksa(bssid) + if pmksa3 is None: + raise Exception("No PMKSA cache entry found") + if pmksa2['pmkid'] == pmksa3['pmkid']: + raise Exception("PMKID did not change") + + dev[0].request("DISCONNECT") + dev[0].wait_disconnected() + + # FILS authentication with PMKSA caching and PFS + dev[0].dump_monitor() + dev[0].select_network(id, freq=2412) + ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED", + "CTRL-EVENT-CONNECTED"], timeout=10) + if ev is None: + raise Exception("Connection using PMKSA caching timed out") + if "CTRL-EVENT-EAP-STARTED" in ev: + raise Exception("Unexpected EAP exchange") + hwsim_utils.test_connectivity(dev[0], hapd) + pmksa4 = dev[0].get_pmksa(bssid) + if pmksa4 is None: + raise Exception("No PMKSA cache entry found") + if pmksa3['pmkid'] != pmksa4['pmkid']: + raise Exception("Unexpected PMKID change (2)") + def test_fils_sk_auth_mismatch(dev, apdev, params): """FILS SK authentication type mismatch (PFS not supported)""" check_fils_sk_pfs_capa(dev[0])