diff --git a/tests/hwsim/test_wext.py b/tests/hwsim/test_wext.py index 1248507a6..26c1c263d 100644 --- a/tests/hwsim/test_wext.py +++ b/tests/hwsim/test_wext.py @@ -1,5 +1,5 @@ # Deprecated WEXT driver interface in wpa_supplicant -# Copyright (c) 2013, Jouni Malinen +# Copyright (c) 2013-2014, Jouni Malinen # # This software may be distributed under the terms of the BSD license. # See README for more details. @@ -7,45 +7,272 @@ import logging logger = logging.getLogger() import os +import subprocess import hostapd import hwsim_utils from wpasupplicant import WpaSupplicant +from test_rfkill import get_rfkill_id -def test_wext_open(dev, apdev): - """WEXT driver interface with open network""" +def get_wext_interface(): if not os.path.exists("/proc/net/wireless"): logger.info("WEXT support not included in the kernel") - return "skip" - - params = { "ssid": "wext-open" } - hapd = hostapd.add_ap(apdev[0]['ifname'], params) + return wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5') try: wpas.interface_add("wlan5", driver="wext") except Exception, e: logger.info("WEXT driver support not included in wpa_supplicant") + return + return wpas + +def test_wext_open(dev, apdev): + """WEXT driver interface with open network""" + wpas = get_wext_interface() + if not wpas: return "skip" + params = { "ssid": "wext-open" } + hapd = hostapd.add_ap(apdev[0]['ifname'], params) + wpas.connect("wext-open", key_mgmt="NONE") hwsim_utils.test_connectivity(wpas, hapd) def test_wext_wpa2_psk(dev, apdev): """WEXT driver interface with WPA2-PSK""" - if not os.path.exists("/proc/net/wireless"): - logger.info("WEXT support not included in the kernel") + wpas = get_wext_interface() + if not wpas: return "skip" params = hostapd.wpa2_params(ssid="wext-wpa2-psk", passphrase="12345678") hapd = hostapd.add_ap(apdev[0]['ifname'], params) - wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5') - try: - wpas.interface_add("wlan5", driver="wext") - except Exception, e: - logger.info("WEXT driver support not included in wpa_supplicant") - return "skip" - wpas.connect("wext-wpa2-psk", psk="12345678") hwsim_utils.test_connectivity(wpas, hapd) + if "RSSI=" not in wpas.request("SIGNAL_POLL"): + raise Exception("Missing RSSI from SIGNAL_POLL") + + wpas.dump_monitor() + hapd.request("DEAUTHENTICATE " + wpas.p2p_interface_addr()) + ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=15) + if ev is None: + raise Exception("Timeout on disconnection event") + +def test_wext_wpa_psk(dev, apdev): + """WEXT driver interface with WPA-PSK""" + wpas = get_wext_interface() + if not wpas: + return "skip" + + params = hostapd.wpa_params(ssid="wext-wpa-psk", passphrase="12345678") + hapd = hostapd.add_ap(apdev[0]['ifname'], params) + testfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/tkip_mic_test" % (hapd.get_driver_status_field("phyname"), apdev[0]['ifname']) + if not os.path.exists(testfile): + return "skip" + + wpas.connect("wext-wpa-psk", psk="12345678") + hwsim_utils.test_connectivity(wpas, hapd) + + with open(testfile, "w") as f: + f.write(wpas.p2p_interface_addr()) + ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1) + if ev is not None: + raise Exception("Unexpected disconnection on first Michael MIC failure") + + with open(testfile, "w") as f: + f.write("ff:ff:ff:ff:ff:ff") + ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=10) + if ev is None: + raise Exception("No disconnection after two Michael MIC failures") + if "reason=14 locally_generated=1" not in ev: + raise Exception("Unexpected disconnection reason: " + ev) + +def test_wext_pmksa_cache(dev, apdev): + """PMKSA caching with WEXT""" + wpas = get_wext_interface() + if not wpas: + return "skip" + + params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache") + hostapd.add_ap(apdev[0]['ifname'], params) + bssid = apdev[0]['bssid'] + wpas.connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP", + eap="GPSK", identity="gpsk user", + password="abcdefghijklmnop0123456789abcdef", + 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]['ifname'], params) + bssid2 = apdev[1]['bssid'] + + wpas.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(3): + wpas.scan() + if wpas.get_bss(bssid2) is not None: + break + logger.info("Scan again to find target AP") + wpas.request("ROAM " + bssid2) + ev = wpas.wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=10) + if ev is None: + raise Exception("EAP success timed out") + ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=10) + if ev is None: + raise Exception("Roaming with the AP timed out") + pmksa2 = wpas.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") + + wpas.dump_monitor() + logger.info("Roam back to AP1") + wpas.scan() + wpas.request("ROAM " + bssid) + ev = wpas.wait_event(["CTRL-EVENT-EAP-STARTED", + "CTRL-EVENT-CONNECTED"], timeout=15) + 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") + + wpas.dump_monitor() + if "FAIL" in wpas.request("PMKSA_FLUSH"): + raise Exception("PMKSA_FLUSH failed") + if wpas.get_pmksa(bssid) is not None or wpas.get_pmksa(bssid2) is not None: + raise Exception("PMKSA_FLUSH did not remove PMKSA entries") + ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5) + if ev is None: + raise Exception("Disconnection event timed out") + ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=15) + if ev is None: + raise Exception("Reconnection timed out") + +def test_wext_wep_open_auth(dev, apdev): + """WEP Open System authentication""" + wpas = get_wext_interface() + if not wpas: + return "skip" + + hapd = hostapd.add_ap(apdev[0]['ifname'], + { "ssid": "wep-open", + "wep_key0": '"hello"' }) + wpas.connect("wep-open", key_mgmt="NONE", wep_key0='"hello"', + scan_freq="2412") + hwsim_utils.test_connectivity(wpas, hapd) + if "[WEP]" not in wpas.request("SCAN_RESULTS"): + raise Exception("WEP flag not indicated in scan results") + +def test_wext_wep_shared_key_auth(dev, apdev): + """WEP Shared Key authentication""" + wpas = get_wext_interface() + if not wpas: + return "skip" + + hapd = hostapd.add_ap(apdev[0]['ifname'], + { "ssid": "wep-shared-key", + "wep_key0": '"hello12345678"', + "auth_algs": "2" }) + wpas.connect("wep-shared-key", key_mgmt="NONE", auth_alg="SHARED", + wep_key0='"hello12345678"', scan_freq="2412") + hwsim_utils.test_connectivity(wpas, hapd) + wpas.request("REMOVE_NETWORK all") + ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5) + if ev is None: + raise Exception("Disconnection event timed out") + wpas.connect("wep-shared-key", key_mgmt="NONE", auth_alg="OPEN SHARED", + wep_key0='"hello12345678"', scan_freq="2412") + +def test_wext_pmf(dev, apdev): + """WEXT driver interface with WPA2-PSK and PMF""" + wpas = get_wext_interface() + if not wpas: + return "skip" + + params = hostapd.wpa2_params(ssid="wext-wpa2-psk", passphrase="12345678") + params["wpa_key_mgmt"] = "WPA-PSK-SHA256"; + params["ieee80211w"] = "2"; + hapd = hostapd.add_ap(apdev[0]['ifname'], params) + + wpas.connect("wext-wpa2-psk", psk="12345678", ieee80211w="1", + key_mgmt="WPA-PSK WPA-PSK-SHA256", proto="WPA2", + scan_freq="2412") + hwsim_utils.test_connectivity(wpas, hapd) + + addr = wpas.p2p_interface_addr() + hapd.request("DEAUTHENTICATE " + addr) + ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5) + if ev is None: + raise Exception("No disconnection") + +def test_wext_scan_hidden(dev, apdev): + """WEXT with hidden SSID""" + wpas = get_wext_interface() + if not wpas: + return "skip" + + hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan", + "ignore_broadcast_ssid": "1" }) + hostapd.add_ap(apdev[1]['ifname'], { "ssid": "test-scan2", + "ignore_broadcast_ssid": "1" }) + + id1 = wpas.connect("test-scan", key_mgmt="NONE", scan_ssid="1", + only_add_network=True) + + wpas.request("SCAN scan_id=%d" % id1) + + ev = wpas.wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=15) + if ev is None: + raise Exception("Scan did not complete") + + if "test-scan" not in wpas.request("SCAN_RESULTS"): + raise Exception("Did not find hidden SSID in scan") + + id = wpas.connect("test-scan2", key_mgmt="NONE", scan_ssid="1", + only_add_network=True) + wpas.connect_network(id, timeout=30) + +def test_wext_rfkill(dev, apdev): + """WEXT and rfkill block/unblock""" + wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5') + wpas.interface_add("wlan5") + id = get_rfkill_id(wpas) + if id is None: + return "skip" + wpas.interface_remove("wlan5") + + wpas = get_wext_interface() + if not wpas: + return "skip" + + hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" }) + wpas.connect("open", key_mgmt="NONE", scan_freq="2412") + try: + logger.info("rfkill block") + subprocess.call(['rfkill', 'block', id]) + ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=10) + if ev is None: + raise Exception("Missing disconnection event on rfkill block") + + logger.info("rfkill unblock") + subprocess.call(['rfkill', 'unblock', id]) + ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=20) + if ev is None: + raise Exception("Missing connection event on rfkill unblock") + hwsim_utils.test_connectivity(wpas, hapd) + finally: + subprocess.call(['rfkill', 'unblock', id])