From 9d3eb21ec4714d50b150d1a9f76b50b68b84e9ba Mon Sep 17 00:00:00 2001 From: Vidyullatha Kanchanapally Date: Wed, 5 Jul 2017 17:55:10 +0300 Subject: [PATCH] tests: FILS ERP authentication followed by PMKSA caching This test case verifies that both wpa_supplicant and hostapd are adding a PMKSA cache entry based on FILS shared key authentication using ERP. Signed-off-by: Jouni Malinen --- tests/hwsim/test_fils.py | 68 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) diff --git a/tests/hwsim/test_fils.py b/tests/hwsim/test_fils.py index feed3529d..a91360d9a 100644 --- a/tests/hwsim/test_fils.py +++ b/tests/hwsim/test_fils.py @@ -366,6 +366,74 @@ def run_fils_sk_erp(dev, apdev, key_mgmt): raise Exception("Association failed") hwsim_utils.test_connectivity(dev[0], hapd) +def test_fils_sk_erp_followed_by_pmksa_caching(dev, apdev): + check_fils_capa(dev[0]) + check_erp_capa(dev[0]) + + start_erp_as(apdev[1]) + + 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' + 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", scan_freq="2412") + + dev[0].request("DISCONNECT") + dev[0].wait_disconnected() + + # Force the second connection to use ERP by deleting the PMKSA entry. + 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", + "EVENT-ASSOC-REJECT", + "CTRL-EVENT-CONNECTED"], timeout=10) + if ev is None: + raise Exception("Connection using FILS/ERP timed out") + if "CTRL-EVENT-EAP-STARTED" in ev: + raise Exception("Unexpected EAP exchange") + if "EVENT-ASSOC-REJECT" in ev: + raise Exception("Association failed") + hwsim_utils.test_connectivity(dev[0], hapd) + + 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() + + # The third connection is expected to use PMKSA caching for FILS + # authentication. + dev[0].dump_monitor() + dev[0].select_network(id, freq=2412) + ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED", + "EVENT-ASSOC-REJECT", + "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") + if "EVENT-ASSOC-REJECT" in ev: + raise Exception("Association failed") + 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") + def test_fils_sk_erp_another_ssid(dev, apdev): """FILS SK using ERP and roam to another SSID""" check_fils_capa(dev[0])