#!/usr/bin/python # # GAS tests # Copyright (c) 2013, Qualcomm Atheros, Inc. # # This software may be distributed under the terms of the BSD license. # See README for more details. import time import logging logger = logging.getLogger() import re import hostapd def hs20_ap_params(): params = hostapd.wpa2_params(ssid="test-gas") params['wpa_key_mgmt'] = "WPA-EAP" params['ieee80211w'] = "1" params['ieee8021x'] = "1" params['auth_server_addr'] = "127.0.0.1" params['auth_server_port'] = "1812" params['auth_server_shared_secret'] = "radius" params['interworking'] = "1" params['access_network_type'] = "14" params['internet'] = "1" params['asra'] = "0" params['esr'] = "0" params['uesa'] = "0" params['venue_group'] = "7" params['venue_type'] = "1" params['venue_name'] = [ "eng:Example venue", "fin:Esimerkkipaikka" ] params['roaming_consortium'] = [ "112233", "1020304050", "010203040506", "fedcba" ] params['domain_name'] = "example.com,another.example.com" params['nai_realm'] = [ "0,example.com,13[5:6],21[2:4][5:7]", "0,another.example.com" ] params['anqp_3gpp_cell_net'] = "244,91" return params def get_gas_response(dev, bssid, info, allow_fetch_failure=False): exp = r'<.>(GAS-RESPONSE-INFO) addr=([0-9a-f:]*) dialog_token=([0-9]*) status_code=([0-9]*) resp_len=([\-0-9]*)' res = re.split(exp, info) if len(res) < 6: raise Exception("Could not parse GAS-RESPONSE-INFO") if res[2] != bssid: raise Exception("Unexpected BSSID in response") token = res[3] status = res[4] if status != "0": raise Exception("GAS query failed") resp_len = res[5] if resp_len == "-1": raise Exception("GAS query reported invalid response length") if int(resp_len) > 2000: raise Exception("Unexpected long GAS response") resp = dev.request("GAS_RESPONSE_GET " + bssid + " " + token) if "FAIL" in resp: if allow_fetch_failure: logger.debug("GAS response was not available anymore") return raise Exception("Could not fetch GAS response") if len(resp) != int(resp_len) * 2: raise Exception("Unexpected GAS response length") logger.debug("GAS response: " + resp) def test_gas_generic(dev, apdev): """Generic GAS query""" bssid = apdev[0]['bssid'] params = hs20_ap_params() params['hessid'] = bssid hostapd.add_ap(apdev[0]['ifname'], params) dev[0].scan() req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101") if "FAIL" in req: raise Exception("GAS query request rejected") ev = dev[0].wait_event(["GAS-RESPONSE-INFO"], timeout=10) if ev is None: raise Exception("GAS query timed out") get_gas_response(dev[0], bssid, ev) def test_gas_concurrent_scan(dev, apdev): """Generic GAS queries with concurrent scan operation""" bssid = apdev[0]['bssid'] params = hs20_ap_params() params['hessid'] = bssid hostapd.add_ap(apdev[0]['ifname'], params) dev[0].scan() logger.info("Request concurrent operations") req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101") if "FAIL" in req: raise Exception("GAS query request rejected") req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000801") if "FAIL" in req: raise Exception("GAS query request rejected") dev[0].request("SCAN") req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000201") if "FAIL" in req: raise Exception("GAS query request rejected") req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000501") if "FAIL" in req: raise Exception("GAS query request rejected") responses = 0 for i in range(0, 5): ev = dev[0].wait_event(["GAS-RESPONSE-INFO", "CTRL-EVENT-SCAN-RESULTS"], timeout=10) if ev is None: raise Exception("Operation timed out") if "GAS-RESPONSE-INFO" in ev: responses = responses + 1 get_gas_response(dev[0], bssid, ev, allow_fetch_failure=True) if responses != 4: raise Exception("Unexpected number of GAS responses") def test_gas_concurrent_connect(dev, apdev): """Generic GAS queries with concurrent connection operation""" bssid = apdev[0]['bssid'] params = hs20_ap_params() params['hessid'] = bssid hostapd.add_ap(apdev[0]['ifname'], params) dev[0].scan() logger.debug("Start concurrent connect and GAS request") dev[0].connect("test-gas", key_mgmt="WPA-EAP", eap="TTLS", identity="DOMAIN\mschapv2 user", anonymous_identity="ttls", password="password", phase2="auth=MSCHAPV2", ca_cert="auth_serv/ca.pem", wait_connect=False) req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101") if "FAIL" in req: raise Exception("GAS query request rejected") ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED", "GAS-RESPONSE-INFO"], timeout=20) if ev is None: raise Exception("Operation timed out") if "CTRL-EVENT-CONNECTED" not in ev: raise Exception("Unexpected operation order") ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED", "GAS-RESPONSE-INFO"], timeout=20) if ev is None: raise Exception("Operation timed out") if "GAS-RESPONSE-INFO" not in ev: raise Exception("Unexpected operation order") get_gas_response(dev[0], bssid, ev) dev[0].request("DISCONNECT") ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5) if ev is None: raise Exception("Disconnection timed out") logger.debug("Wait six seconds for expiration of connect-without-scan") time.sleep(6) logger.debug("Start concurrent GAS request and connect") req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101") if "FAIL" in req: raise Exception("GAS query request rejected") dev[0].request("RECONNECT") ev = dev[0].wait_event(["GAS-RESPONSE-INFO"], timeout=10) if ev is None: raise Exception("Operation timed out") get_gas_response(dev[0], bssid, ev) ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=20) if ev is None: raise Exception("No new scan results reported") ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=20) if ev is None: raise Exception("Operation timed out") if "CTRL-EVENT-CONNECTED" not in ev: raise Exception("Unexpected operation order")