--- /dev/null
+# WPA2-Enterprise PMKSA caching tests
+# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+import logging
+logger = logging.getLogger()
+import subprocess
+import time
+
+import hostapd
+import hwsim_utils
+from wpasupplicant import WpaSupplicant
+from utils import alloc_fail
+from test_ap_eap import eap_connect
+
+def test_pmksa_cache_on_roam_back(dev, apdev):
+ """PMKSA cache to skip EAP on reassociation back to same AP"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+ pmksa = dev[0].get_pmksa(bssid)
+ if pmksa is None:
+ raise Exception("No PMKSA cache entry created")
+ if pmksa['opportunistic'] != '0':
+ raise Exception("Unexpected opportunistic PMKSA cache entry")
+
+ hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+
+ dev[0].dump_monitor()
+ logger.info("Roam to AP2")
+ # It can take some time for the second AP to become ready to reply to Probe
+ # Request frames especially under heavy CPU load, so allow couple of rounds
+ # of scanning to avoid reporting errors incorrectly just because of scans
+ # not having seen the target AP.
+ for i in range(0, 10):
+ dev[0].scan(freq="2412")
+ if dev[0].get_bss(bssid2) is not None:
+ break
+ logger.info("Scan again to find target AP")
+ dev[0].request("ROAM " + bssid2)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
+ if ev is None:
+ raise Exception("EAP success timed out")
+ dev[0].wait_connected(timeout=10, error="Roaming timed out")
+ pmksa2 = dev[0].get_pmksa(bssid2)
+ if pmksa2 is None:
+ raise Exception("No PMKSA cache entry found")
+ if pmksa2['opportunistic'] != '0':
+ raise Exception("Unexpected opportunistic PMKSA cache entry")
+
+ dev[0].dump_monitor()
+ logger.info("Roam back to AP1")
+ dev[0].scan(freq="2412")
+ dev[0].request("ROAM " + bssid)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+ pmksa1b = dev[0].get_pmksa(bssid)
+ if pmksa1b is None:
+ raise Exception("No PMKSA cache entry found")
+ if pmksa['pmkid'] != pmksa1b['pmkid']:
+ raise Exception("Unexpected PMKID change for AP1")
+
+ dev[0].dump_monitor()
+ if "FAIL" in dev[0].request("PMKSA_FLUSH"):
+ raise Exception("PMKSA_FLUSH failed")
+ if dev[0].get_pmksa(bssid) is not None or dev[0].get_pmksa(bssid2) is not None:
+ raise Exception("PMKSA_FLUSH did not remove PMKSA entries")
+ dev[0].wait_disconnected(timeout=5)
+ dev[0].wait_connected(timeout=15, error="Reconnection timed out")
+
+def test_pmksa_cache_and_reauth(dev, apdev):
+ """PMKSA caching and EAPOL reauthentication"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ hapd = hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+
+ hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+
+ dev[0].dump_monitor()
+ logger.info("Roam to AP2")
+ # It can take some time for the second AP to become ready to reply to Probe
+ # Request frames especially under heavy CPU load, so allow couple of rounds
+ # of scanning to avoid reporting errors incorrectly just because of scans
+ # not having seen the target AP.
+ for i in range(0, 10):
+ dev[0].scan(freq="2412")
+ if dev[0].get_bss(bssid2) is not None:
+ break
+ logger.info("Scan again to find target AP")
+ dev[0].request("ROAM " + bssid2)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
+ if ev is None:
+ raise Exception("EAP success timed out")
+ dev[0].wait_connected(timeout=10, error="Roaming timed out")
+
+ dev[0].dump_monitor()
+ logger.info("Roam back to AP1")
+ dev[0].scan(freq="2412")
+ dev[0].request("ROAM " + bssid)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+
+ # Verify EAPOL reauthentication after PMKSA caching
+ 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")
+
+def test_pmksa_cache_opportunistic_only_on_sta(dev, apdev):
+ """Opportunistic PMKSA caching enabled only on station"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef", okc=True,
+ scan_freq="2412")
+ pmksa = dev[0].get_pmksa(bssid)
+ if pmksa is None:
+ raise Exception("No PMKSA cache entry created")
+ if pmksa['opportunistic'] != '0':
+ raise Exception("Unexpected opportunistic PMKSA cache entry")
+
+ hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+
+ dev[0].dump_monitor()
+ logger.info("Roam to AP2")
+ dev[0].scan(freq="2412")
+ dev[0].request("ROAM " + bssid2)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
+ if ev is None:
+ raise Exception("EAP success timed out")
+ dev[0].wait_connected(timeout=10, error="Roaming timed out")
+ pmksa2 = dev[0].get_pmksa(bssid2)
+ if pmksa2 is None:
+ raise Exception("No PMKSA cache entry found")
+ if pmksa2['opportunistic'] != '0':
+ raise Exception("Unexpected opportunistic PMKSA cache entry")
+
+ dev[0].dump_monitor()
+ logger.info("Roam back to AP1")
+ dev[0].scan(freq="2412")
+ dev[0].request("ROAM " + bssid)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+ pmksa1b = dev[0].get_pmksa(bssid)
+ if pmksa1b is None:
+ raise Exception("No PMKSA cache entry found")
+ if pmksa['pmkid'] != pmksa1b['pmkid']:
+ raise Exception("Unexpected PMKID change for AP1")
+
+def test_pmksa_cache_opportunistic(dev, apdev):
+ """Opportunistic PMKSA caching"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ params['okc'] = "1"
+ hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef", okc=True,
+ scan_freq="2412")
+ pmksa = dev[0].get_pmksa(bssid)
+ if pmksa is None:
+ raise Exception("No PMKSA cache entry created")
+ if pmksa['opportunistic'] != '0':
+ raise Exception("Unexpected opportunistic PMKSA cache entry")
+
+ hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+
+ dev[0].dump_monitor()
+ logger.info("Roam to AP2")
+ dev[0].scan(freq="2412")
+ dev[0].request("ROAM " + bssid2)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+ pmksa2 = dev[0].get_pmksa(bssid2)
+ if pmksa2 is None:
+ raise Exception("No PMKSA cache entry created")
+
+ dev[0].dump_monitor()
+ logger.info("Roam back to AP1")
+ dev[0].scan(freq="2412")
+ dev[0].request("ROAM " + bssid)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+
+ pmksa1b = dev[0].get_pmksa(bssid)
+ if pmksa1b is None:
+ raise Exception("No PMKSA cache entry found")
+ if pmksa['pmkid'] != pmksa1b['pmkid']:
+ raise Exception("Unexpected PMKID change for AP1")
+
+def test_pmksa_cache_opportunistic_connect(dev, apdev):
+ """Opportunistic PMKSA caching with connect API"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ params['okc'] = "1"
+ hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
+ wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
+ wpas.connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef", okc=True,
+ scan_freq="2412")
+ pmksa = wpas.get_pmksa(bssid)
+ if pmksa is None:
+ raise Exception("No PMKSA cache entry created")
+ if pmksa['opportunistic'] != '0':
+ raise Exception("Unexpected opportunistic PMKSA cache entry")
+
+ hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+
+ wpas.dump_monitor()
+ logger.info("Roam to AP2")
+ wpas.scan_for_bss(bssid2, freq="2412", force_scan=True)
+ wpas.request("ROAM " + bssid2)
+ ev = wpas.wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+ pmksa2 = wpas.get_pmksa(bssid2)
+ if pmksa2 is None:
+ raise Exception("No PMKSA cache entry created")
+
+ wpas.dump_monitor()
+ logger.info("Roam back to AP1")
+ wpas.scan(freq="2412")
+ wpas.request("ROAM " + bssid)
+ ev = wpas.wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+
+ pmksa1b = wpas.get_pmksa(bssid)
+ if pmksa1b is None:
+ raise Exception("No PMKSA cache entry found")
+ if pmksa['pmkid'] != pmksa1b['pmkid']:
+ raise Exception("Unexpected PMKID change for AP1")
+
+def test_pmksa_cache_expiration(dev, apdev):
+ """PMKSA cache entry expiration"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].request("SET dot11RSNAConfigPMKLifetime 10")
+ dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+ pmksa = dev[0].get_pmksa(bssid)
+ if pmksa is None:
+ raise Exception("No PMKSA cache entry created")
+ logger.info("Wait for PMKSA cache entry to expire")
+ ev = dev[0].wait_event(["WPA: Key negotiation completed",
+ "CTRL-EVENT-DISCONNECTED"], timeout=15)
+ if ev is None:
+ raise Exception("No EAP reauthentication seen")
+ if "CTRL-EVENT-DISCONNECTED" in ev:
+ raise Exception("Unexpected disconnection")
+ pmksa2 = dev[0].get_pmksa(bssid)
+ if pmksa['pmkid'] == pmksa2['pmkid']:
+ raise Exception("PMKID did not change")
+
+def test_pmksa_cache_expiration_disconnect(dev, apdev):
+ """PMKSA cache entry expiration (disconnect)"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ hapd = hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].request("SET dot11RSNAConfigPMKLifetime 2")
+ dev[0].request("SET dot11RSNAConfigPMKReauthThreshold 100")
+ dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+ pmksa = dev[0].get_pmksa(bssid)
+ if pmksa is None:
+ raise Exception("No PMKSA cache entry created")
+ hapd.request("SET auth_server_shared_secret incorrect")
+ logger.info("Wait for PMKSA cache entry to expire")
+ ev = dev[0].wait_event(["WPA: Key negotiation completed",
+ "CTRL-EVENT-DISCONNECTED"], timeout=15)
+ if ev is None:
+ raise Exception("No EAP reauthentication seen")
+ if "CTRL-EVENT-DISCONNECTED" not in ev:
+ raise Exception("Missing disconnection")
+ hapd.request("SET auth_server_shared_secret radius")
+ ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=15)
+ if ev is None:
+ raise Exception("No EAP reauthentication seen")
+ pmksa2 = dev[0].get_pmksa(bssid)
+ if pmksa['pmkid'] == pmksa2['pmkid']:
+ raise Exception("PMKID did not change")
+
+def test_pmksa_cache_and_cui(dev, apdev):
+ """PMKSA cache and Chargeable-User-Identity"""
+ params = hostapd.wpa2_eap_params(ssid="cui")
+ params['radius_request_cui'] = '1'
+ params['acct_server_addr'] = "127.0.0.1"
+ params['acct_server_port'] = "1813"
+ params['acct_server_shared_secret'] = "radius"
+ hapd = hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].connect("cui", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk-cui",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+ pmksa = dev[0].get_pmksa(bssid)
+ if pmksa is None:
+ raise Exception("No PMKSA cache entry created")
+ ev = hapd.wait_event([ "AP-STA-CONNECTED" ], timeout=5)
+ if ev is None:
+ raise Exception("No connection event received from hostapd")
+
+ dev[0].dump_monitor()
+ logger.info("Disconnect and reconnect to the same AP")
+ dev[0].request("DISCONNECT")
+ dev[0].wait_disconnected()
+ dev[0].request("RECONNECT")
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Reconnect timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+ pmksa1b = dev[0].get_pmksa(bssid)
+ if pmksa1b is None:
+ raise Exception("No PMKSA cache entry found")
+ if pmksa['pmkid'] != pmksa1b['pmkid']:
+ raise Exception("Unexpected PMKID change for AP1")
+
+ dev[0].request("REAUTHENTICATE")
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
+ if ev is None:
+ raise Exception("EAP success timed out")
+ for i in range(0, 20):
+ state = dev[0].get_status_field("wpa_state")
+ if state == "COMPLETED":
+ break
+ time.sleep(0.1)
+ if state != "COMPLETED":
+ raise Exception("Reauthentication did not complete")
+
+def generic_pmksa_cache_preauth(dev, apdev, extraparams, identity, databridge,
+ force_disconnect=False):
+ if not extraparams:
+ extraparams = [{}, {}]
+ try:
+ params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
+ params['bridge'] = 'ap-br0'
+ for key, value in extraparams[0].iteritems():
+ params[key] = value
+
+ hapd = hostapd.add_ap(apdev[0], params)
+ hapd.cmd_execute(['brctl', 'setfd', 'ap-br0', '0'])
+ hapd.cmd_execute(['ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
+ eap_connect(dev[0], hapd, "PAX", identity,
+ password_hex="0123456789abcdef0123456789abcdef")
+
+ # Verify connectivity in the correct VLAN
+ hwsim_utils.test_connectivity_iface(dev[0], hapd, databridge)
+
+ params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
+ params['bridge'] = 'ap-br0'
+ params['rsn_preauth'] = '1'
+ params['rsn_preauth_interfaces'] = databridge
+ for key, value in extraparams[1].iteritems():
+ params[key] = value
+ hostapd.add_ap(apdev[1], params)
+ bssid1 = apdev[1]['bssid']
+ dev[0].scan(freq="2412")
+ success = False
+ status_seen = False
+ for i in range(0, 50):
+ if not status_seen:
+ status = dev[0].request("STATUS")
+ if "Pre-authentication EAPOL state machines:" in status:
+ status_seen = True
+ time.sleep(0.1)
+ pmksa = dev[0].get_pmksa(bssid1)
+ if pmksa:
+ success = True
+ break
+ if not success:
+ raise Exception("No PMKSA cache entry created from pre-authentication")
+ if not status_seen:
+ raise Exception("Pre-authentication EAPOL status was not available")
+
+ dev[0].scan(freq="2412")
+ if "[WPA2-EAP-CCMP-preauth]" not in dev[0].request("SCAN_RESULTS"):
+ raise Exception("Scan results missing RSN element info")
+ dev[0].request("ROAM " + bssid1)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+ pmksa2 = dev[0].get_pmksa(bssid1)
+ if pmksa2 is None:
+ raise Exception("No PMKSA cache entry")
+ if pmksa['pmkid'] != pmksa2['pmkid']:
+ raise Exception("Unexpected PMKID change")
+
+ # Verify connectivity in the correct VLAN
+ hwsim_utils.test_connectivity_iface(dev[0], hapd, databridge)
+
+ if not force_disconnect:
+ return
+
+ # Disconnect the STA from both APs to avoid forceful ifdown by the
+ # test script on a VLAN that this has an associated STA. That used to
+ # trigger a mac80211 warning.
+ dev[0].request("DISCONNECT")
+ hapd.request("DISABLE")
+
+ finally:
+ hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev',
+ 'ap-br0', 'down', '2>', '/dev/null'],
+ shell=True)
+ hostapd.cmd_execute(apdev[0], ['brctl', 'delbr', 'ap-br0',
+ '2>', '/dev/null'], shell=True)
+
+def test_pmksa_cache_preauth(dev, apdev):
+ """RSN pre-authentication to generate PMKSA cache entry"""
+ generic_pmksa_cache_preauth(dev, apdev, None,
+ "pax.user@example.com", "ap-br0")
+
+def test_pmksa_cache_preauth_per_sta_vif(dev, apdev):
+ """RSN pre-authentication to generate PMKSA cache entry with per_sta_vif"""
+ extraparams = [{}, {}]
+ extraparams[0]['per_sta_vif'] = "1"
+ extraparams[1]['per_sta_vif'] = "1"
+ generic_pmksa_cache_preauth(dev, apdev, extraparams,
+ "pax.user@example.com", "ap-br0")
+
+def test_pmksa_cache_preauth_vlan_enabled(dev, apdev):
+ """RSN pre-authentication to generate PMKSA cache entry (dynamic_vlan optional but station without VLAN set)"""
+ extraparams = [{}, {}]
+ extraparams[0]['dynamic_vlan'] = '1'
+ extraparams[1]['dynamic_vlan'] = '1'
+ generic_pmksa_cache_preauth(dev, apdev, extraparams,
+ "pax.user@example.com", "ap-br0")
+
+def test_pmksa_cache_preauth_vlan_enabled_per_sta_vif(dev, apdev):
+ """RSN pre-authentication to generate PMKSA cache entry (dynamic_vlan optional but station without VLAN set, with per_sta_vif enabled)"""
+ extraparams = [{}, {}]
+ extraparams[0]['per_sta_vif'] = "1"
+ extraparams[1]['per_sta_vif'] = "1"
+ extraparams[0]['dynamic_vlan'] = '1'
+ extraparams[1]['dynamic_vlan'] = '1'
+ generic_pmksa_cache_preauth(dev, apdev, extraparams,
+ "pax.user@example.com", "ap-br0")
+
+def test_pmksa_cache_preauth_vlan_used(dev, apdev):
+ """RSN pre-authentication to generate PMKSA cache entry (station with VLAN set)"""
+ run_pmksa_cache_preauth_vlan_used(dev, apdev, None, force_disconnect=True)
+
+def run_pmksa_cache_preauth_vlan_used(dev, apdev, extraparams=None,
+ force_disconnect=False):
+ try:
+ subprocess.call(['brctl', 'addbr', 'brvlan1'])
+ subprocess.call(['brctl', 'setfd', 'brvlan1', '0'])
+ if not extraparams:
+ extraparams = [{}, {}]
+ extraparams[0]['dynamic_vlan'] = '1'
+ extraparams[0]['vlan_file'] = 'hostapd.wlan3.vlan'
+ extraparams[1]['dynamic_vlan'] = '1'
+ extraparams[1]['vlan_file'] = 'hostapd.wlan4.vlan'
+ generic_pmksa_cache_preauth(dev, apdev, extraparams,
+ "vlan1", "brvlan1",
+ force_disconnect=force_disconnect)
+ finally:
+ subprocess.call(['ip', 'link', 'set', 'dev', 'brvlan1', 'down'])
+ subprocess.call(['ip', 'link', 'set', 'dev', 'wlan3.1', 'down'],
+ stderr=open('/dev/null', 'w'))
+ subprocess.call(['ip', 'link', 'set', 'dev', 'wlan4.1', 'down'],
+ stderr=open('/dev/null', 'w'))
+ subprocess.call(['brctl', 'delif', 'brvlan1', 'wlan3.1'],
+ stderr=open('/dev/null', 'w'))
+ subprocess.call(['brctl', 'delif', 'brvlan1', 'wlan4.1'],
+ stderr=open('/dev/null', 'w'))
+ subprocess.call(['brctl', 'delbr', 'brvlan1'])
+
+def test_pmksa_cache_preauth_vlan_used_per_sta_vif(dev, apdev):
+ """RSN pre-authentication to generate PMKSA cache entry (station with VLAN set, per_sta_vif=1)"""
+ extraparams = [{}, {}]
+ extraparams[0]['per_sta_vif'] = "1"
+ extraparams[1]['per_sta_vif'] = "1"
+ run_pmksa_cache_preauth_vlan_used(dev, apdev, extraparams)
+
+def test_pmksa_cache_disabled(dev, apdev):
+ """PMKSA cache disabling on AP"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ params['disable_pmksa_caching'] = '1'
+ hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+
+ hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+
+ dev[0].dump_monitor()
+ logger.info("Roam to AP2")
+ dev[0].scan_for_bss(bssid2, freq="2412")
+ dev[0].request("ROAM " + bssid2)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
+ if ev is None:
+ raise Exception("EAP success timed out")
+ dev[0].wait_connected(timeout=10, error="Roaming timed out")
+
+ dev[0].dump_monitor()
+ logger.info("Roam back to AP1")
+ dev[0].scan(freq="2412")
+ dev[0].request("ROAM " + bssid)
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=20)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-CONNECTED" in ev:
+ raise Exception("EAP exchange missing")
+ ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=20)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+
+def test_pmksa_cache_ap_expiration(dev, apdev):
+ """PMKSA cache entry expiring on AP"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ hapd = hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk-user-session-timeout",
+ password="abcdefghijklmnop0123456789abcdef",
+ 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")
+ time.sleep(5)
+ dev[0].dump_monitor()
+ dev[0].request("RECONNECT")
+ ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=20)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-CONNECTED" in ev:
+ raise Exception("EAP exchange missing")
+ dev[0].wait_connected(timeout=20, error="Reconnect timed out")
+ dev[0].dump_monitor()
+ dev[0].wait_disconnected(timeout=20)
+ dev[0].wait_connected(timeout=20, error="Reassociation timed out")
+
+def test_pmksa_cache_multiple_sta(dev, apdev):
+ """PMKSA cache with multiple stations"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ for d in dev:
+ d.flush_scan_cache()
+ dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk-user-session-timeout",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+ dev[1].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+ dev[2].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk-user-session-timeout",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+
+ wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
+ wpas.interface_add("wlan5")
+ wpas.flush_scan_cache()
+ wpas.connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+
+ hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+
+ logger.info("Roam to AP2")
+ for sta in [ dev[1], dev[0], dev[2], wpas ]:
+ sta.dump_monitor()
+ sta.scan_for_bss(bssid2, freq="2412")
+ if "OK" not in sta.request("ROAM " + bssid2):
+ raise Exception("ROAM command failed (" + sta.ifname + ")")
+ ev = sta.wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10)
+ if ev is None:
+ raise Exception("EAP success timed out")
+ sta.wait_connected(timeout=10, error="Roaming timed out")
+ sta.dump_monitor()
+
+ logger.info("Roam back to AP1")
+ for sta in [ dev[1], wpas, dev[0], dev[2] ]:
+ sta.dump_monitor()
+ sta.scan(freq="2412")
+ sta.dump_monitor()
+ sta.request("ROAM " + bssid)
+ sta.wait_connected(timeout=10, error="Roaming timed out")
+ sta.dump_monitor()
+
+ time.sleep(4)
+
+ logger.info("Roam back to AP2")
+ for sta in [ dev[1], wpas, dev[0], dev[2] ]:
+ sta.dump_monitor()
+ sta.scan(freq="2412")
+ sta.dump_monitor()
+ sta.request("ROAM " + bssid2)
+ sta.wait_connected(timeout=10, error="Roaming timed out")
+ sta.dump_monitor()
+
+def test_pmksa_cache_opportunistic_multiple_sta(dev, apdev):
+ """Opportunistic PMKSA caching with multiple stations"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ params['okc'] = "1"
+ hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ for d in dev:
+ d.flush_scan_cache()
+ wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
+ wpas.interface_add("wlan5")
+ wpas.flush_scan_cache()
+ for sta in [ dev[0], dev[1], dev[2], wpas ]:
+ sta.connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef", okc=True,
+ scan_freq="2412")
+
+ hostapd.add_ap(apdev[1], params)
+ bssid2 = apdev[1]['bssid']
+
+ logger.info("Roam to AP2")
+ for sta in [ dev[2], dev[0], wpas, dev[1] ]:
+ sta.dump_monitor()
+ sta.scan_for_bss(bssid2, freq="2412")
+ if "OK" not in sta.request("ROAM " + bssid2):
+ raise Exception("ROAM command failed")
+ ev = sta.wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+ pmksa2 = sta.get_pmksa(bssid2)
+ if pmksa2 is None:
+ raise Exception("No PMKSA cache entry created")
+ sta.dump_monitor()
+
+ logger.info("Roam back to AP1")
+ for sta in [ dev[0], dev[1], dev[2], wpas ]:
+ sta.dump_monitor()
+ sta.scan_for_bss(bssid, freq="2412")
+ sta.request("ROAM " + bssid)
+ ev = sta.wait_event(["CTRL-EVENT-EAP-STARTED",
+ "CTRL-EVENT-CONNECTED"], timeout=10)
+ if ev is None:
+ raise Exception("Roaming with the AP timed out")
+ if "CTRL-EVENT-EAP-STARTED" in ev:
+ raise Exception("Unexpected EAP exchange")
+
+def test_pmksa_cache_preauth_oom(dev, apdev):
+ """RSN pre-authentication to generate PMKSA cache entry and OOM"""
+ try:
+ _test_pmksa_cache_preauth_oom(dev, apdev)
+ finally:
+ hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', 'ap-br0',
+ 'down'])
+ hostapd.cmd_execute(apdev[0], ['brctl', 'delbr', 'ap-br0'])
+
+def _test_pmksa_cache_preauth_oom(dev, apdev):
+ params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
+ params['bridge'] = 'ap-br0'
+ hapd = hostapd.add_ap(apdev[0], params)
+ hostapd.cmd_execute(apdev[0], ['brctl', 'setfd', 'ap-br0', '0'])
+ hostapd.cmd_execute(apdev[0], ['ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
+ eap_connect(dev[0], hapd, "PAX", "pax.user@example.com",
+ password_hex="0123456789abcdef0123456789abcdef",
+ bssid=apdev[0]['bssid'])
+
+ params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
+ params['bridge'] = 'ap-br0'
+ params['rsn_preauth'] = '1'
+ params['rsn_preauth_interfaces'] = 'ap-br0'
+ hapd = hostapd.add_ap(apdev[1], params)
+ bssid1 = apdev[1]['bssid']
+
+ tests = [ (1, "rsn_preauth_receive"),
+ (2, "rsn_preauth_receive"),
+ (1, "rsn_preauth_send") ]
+ for test in tests:
+ with alloc_fail(hapd, test[0], test[1]):
+ dev[0].scan_for_bss(bssid1, freq="2412")
+ if "OK" not in dev[0].request("PREAUTH " + bssid1):
+ raise Exception("PREAUTH failed")
+
+ success = False
+ count = 0
+ for i in range(50):
+ time.sleep(0.1)
+ pmksa = dev[0].get_pmksa(bssid1)
+ if pmksa:
+ success = True
+ break
+ state = hapd.request('GET_ALLOC_FAIL')
+ if state.startswith('0:'):
+ count += 1
+ if count > 2:
+ break
+ logger.info("PMKSA cache success: " + str(success))
+
+ dev[0].request("PMKSA_FLUSH")
+ dev[0].wait_disconnected()
+ dev[0].wait_connected()
+ dev[0].dump_monitor()
+
+def test_pmksa_cache_size_limit(dev, apdev):
+ """PMKSA cache size limit in wpa_supplicant"""
+ try:
+ _test_pmksa_cache_size_limit(dev, apdev)
+ finally:
+ try:
+ hapd = hostapd.HostapdGlobal(apdev[0])
+ hapd.flush()
+ hapd.remove(apdev[0]['ifname'])
+ except:
+ pass
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ bssid = apdev[0]['bssid']
+ params['bssid'] = bssid
+ hostapd.add_ap(apdev[0], params)
+
+def _test_pmksa_cache_size_limit(dev, apdev):
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ id = dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412", only_add_network=True)
+ for i in range(33):
+ bssid = apdev[0]['bssid'][0:15] + "%02x" % i
+ logger.info("Iteration with BSSID " + bssid)
+ params['bssid'] = bssid
+ hostapd.add_ap(apdev[0], params)
+ dev[0].request("BSS_FLUSH 0")
+ dev[0].scan_for_bss(bssid, freq=2412, only_new=True)
+ dev[0].select_network(id)
+ dev[0].wait_connected()
+ dev[0].request("DISCONNECT")
+ dev[0].wait_disconnected()
+ dev[0].dump_monitor()
+ entries = len(dev[0].request("PMKSA").splitlines()) - 1
+ if i == 32:
+ if entries != 32:
+ raise Exception("Unexpected number of PMKSA entries after expected removal of the oldest entry")
+ elif i + 1 != entries:
+ raise Exception("Unexpected number of PMKSA entries")
+
+ hapd = hostapd.HostapdGlobal(apdev[0])
+ hapd.flush()
+ hapd.remove(apdev[0]['ifname'])
+
+def test_pmksa_cache_preauth_timeout(dev, apdev):
+ """RSN pre-authentication timing out"""
+ try:
+ _test_pmksa_cache_preauth_timeout(dev, apdev)
+ finally:
+ dev[0].request("SET dot11RSNAConfigSATimeout 60")
+
+def _test_pmksa_cache_preauth_timeout(dev, apdev):
+ dev[0].request("SET dot11RSNAConfigSATimeout 1")
+ params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
+ hapd = hostapd.add_ap(apdev[0], params)
+ eap_connect(dev[0], hapd, "PAX", "pax.user@example.com",
+ password_hex="0123456789abcdef0123456789abcdef",
+ bssid=apdev[0]['bssid'])
+ if "OK" not in dev[0].request("PREAUTH f2:11:22:33:44:55"):
+ raise Exception("PREAUTH failed")
+ ev = dev[0].wait_event(["RSN: pre-authentication with"], timeout=5)
+ if ev is None:
+ raise Exception("No timeout event seen")
+ if "timed out" not in ev:
+ raise Exception("Unexpected event: " + ev)
+
+def test_pmksa_cache_preauth_wpas_oom(dev, apdev):
+ """RSN pre-authentication OOM in wpa_supplicant"""
+ params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap")
+ hapd = hostapd.add_ap(apdev[0], params)
+ eap_connect(dev[0], hapd, "PAX", "pax.user@example.com",
+ password_hex="0123456789abcdef0123456789abcdef",
+ bssid=apdev[0]['bssid'])
+ for i in range(1, 11):
+ with alloc_fail(dev[0], i, "rsn_preauth_init"):
+ res = dev[0].request("PREAUTH f2:11:22:33:44:55").strip()
+ logger.info("Iteration %d - PREAUTH command results: %s" % (i, res))
+ for j in range(10):
+ state = dev[0].request('GET_ALLOC_FAIL')
+ if state.startswith('0:'):
+ break
+ time.sleep(0.05)
+
+def test_pmksa_cache_ctrl(dev, apdev):
+ """PMKSA cache control interface operations"""
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ hapd = hostapd.add_ap(apdev[0], params)
+ bssid = apdev[0]['bssid']
+ addr = dev[0].own_addr()
+
+ dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412")
+
+ pmksa_sta = dev[0].get_pmksa(bssid)
+ if pmksa_sta is None:
+ raise Exception("No PMKSA cache entry created on STA")
+ pmksa_ap = hapd.get_pmksa(addr)
+ if pmksa_ap is None:
+ raise Exception("No PMKSA cache entry created on AP")
+ if pmksa_sta['pmkid'] != pmksa_ap['pmkid']:
+ raise Exception("PMKID mismatch in PMKSA cache entries")
+
+ if "OK" not in hapd.request("PMKSA_FLUSH"):
+ raise Exception("PMKSA_FLUSH failed")
+ pmksa_ap = hapd.get_pmksa(addr)
+ if pmksa_ap is not None:
+ raise Exception("PMKSA cache entry was not removed on AP")
+
+ dev[0].request("DISCONNECT")
+ dev[0].wait_disconnected()
+ dev[0].request("RECONNECT")
+ dev[0].wait_connected()
+
+ pmksa_sta2 = dev[0].get_pmksa(bssid)
+ if pmksa_sta2 is None:
+ raise Exception("No PMKSA cache entry created on STA after reconnect")
+ pmksa_ap2 = hapd.get_pmksa(addr)
+ if pmksa_ap2 is None:
+ raise Exception("No PMKSA cache entry created on AP after reconnect")
+ if pmksa_sta2['pmkid'] != pmksa_ap2['pmkid']:
+ raise Exception("PMKID mismatch in PMKSA cache entries after reconnect")
+ if pmksa_sta2['pmkid'] == pmksa_sta['pmkid']:
+ raise Exception("PMKID did not change after reconnect")
projects / mech_eap.git / blobdiff