602 lines
22 KiB
Python
602 lines
22 KiB
Python
# GAS tests
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# Copyright (c) 2013, Qualcomm Atheros, Inc.
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# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import time
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import binascii
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import logging
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logger = logging.getLogger()
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import re
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import struct
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import hostapd
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def hs20_ap_params():
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params = hostapd.wpa2_params(ssid="test-gas")
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params['wpa_key_mgmt'] = "WPA-EAP"
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params['ieee80211w'] = "1"
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params['ieee8021x'] = "1"
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params['auth_server_addr'] = "127.0.0.1"
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params['auth_server_port'] = "1812"
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params['auth_server_shared_secret'] = "radius"
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params['interworking'] = "1"
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params['access_network_type'] = "14"
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params['internet'] = "1"
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params['asra'] = "0"
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params['esr'] = "0"
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params['uesa'] = "0"
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params['venue_group'] = "7"
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params['venue_type'] = "1"
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params['venue_name'] = [ "eng:Example venue", "fin:Esimerkkipaikka" ]
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params['roaming_consortium'] = [ "112233", "1020304050", "010203040506",
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"fedcba" ]
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params['domain_name'] = "example.com,another.example.com"
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params['nai_realm'] = [ "0,example.com,13[5:6],21[2:4][5:7]",
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"0,another.example.com" ]
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params['anqp_3gpp_cell_net'] = "244,91"
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params['network_auth_type'] = "02http://www.example.com/redirect/me/here/"
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params['ipaddr_type_availability'] = "14"
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params['hs20'] = "1"
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params['hs20_oper_friendly_name'] = [ "eng:Example operator", "fin:Esimerkkioperaattori" ]
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params['hs20_wan_metrics'] = "01:8000:1000:80:240:3000"
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params['hs20_conn_capab'] = [ "1:0:2", "6:22:1", "17:5060:0" ]
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params['hs20_operating_class'] = "5173"
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return params
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def start_ap(ap):
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params = hs20_ap_params()
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params['hessid'] = ap['bssid']
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hostapd.add_ap(ap['ifname'], params)
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return hostapd.Hostapd(ap['ifname'])
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def get_gas_response(dev, bssid, info, allow_fetch_failure=False):
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exp = r'<.>(GAS-RESPONSE-INFO) addr=([0-9a-f:]*) dialog_token=([0-9]*) status_code=([0-9]*) resp_len=([\-0-9]*)'
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res = re.split(exp, info)
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if len(res) < 6:
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raise Exception("Could not parse GAS-RESPONSE-INFO")
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if res[2] != bssid:
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raise Exception("Unexpected BSSID in response")
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token = res[3]
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status = res[4]
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if status != "0":
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raise Exception("GAS query failed")
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resp_len = res[5]
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if resp_len == "-1":
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raise Exception("GAS query reported invalid response length")
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if int(resp_len) > 2000:
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raise Exception("Unexpected long GAS response")
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resp = dev.request("GAS_RESPONSE_GET " + bssid + " " + token)
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if "FAIL" in resp:
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if allow_fetch_failure:
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logger.debug("GAS response was not available anymore")
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return
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raise Exception("Could not fetch GAS response")
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if len(resp) != int(resp_len) * 2:
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raise Exception("Unexpected GAS response length")
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logger.debug("GAS response: " + resp)
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def test_gas_generic(dev, apdev):
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"""Generic GAS query"""
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bssid = apdev[0]['bssid']
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params = hs20_ap_params()
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params['hessid'] = bssid
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hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].scan(freq="2412")
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req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101")
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if "FAIL" in req:
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raise Exception("GAS query request rejected")
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ev = dev[0].wait_event(["GAS-RESPONSE-INFO"], timeout=10)
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if ev is None:
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raise Exception("GAS query timed out")
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get_gas_response(dev[0], bssid, ev)
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def test_gas_concurrent_scan(dev, apdev):
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"""Generic GAS queries with concurrent scan operation"""
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bssid = apdev[0]['bssid']
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params = hs20_ap_params()
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params['hessid'] = bssid
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hostapd.add_ap(apdev[0]['ifname'], params)
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# get BSS entry available to allow GAS query
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dev[0].scan(freq="2412")
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logger.info("Request concurrent operations")
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req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101")
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if "FAIL" in req:
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raise Exception("GAS query request rejected")
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req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000801")
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if "FAIL" in req:
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raise Exception("GAS query request rejected")
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dev[0].scan(no_wait=True)
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req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000201")
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if "FAIL" in req:
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raise Exception("GAS query request rejected")
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req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000501")
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if "FAIL" in req:
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raise Exception("GAS query request rejected")
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responses = 0
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for i in range(0, 5):
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ev = dev[0].wait_event(["GAS-RESPONSE-INFO", "CTRL-EVENT-SCAN-RESULTS"],
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timeout=10)
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if ev is None:
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raise Exception("Operation timed out")
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if "GAS-RESPONSE-INFO" in ev:
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responses = responses + 1
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get_gas_response(dev[0], bssid, ev, allow_fetch_failure=True)
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if responses != 4:
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raise Exception("Unexpected number of GAS responses")
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def test_gas_concurrent_connect(dev, apdev):
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"""Generic GAS queries with concurrent connection operation"""
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bssid = apdev[0]['bssid']
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params = hs20_ap_params()
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params['hessid'] = bssid
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hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].scan(freq="2412")
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logger.debug("Start concurrent connect and GAS request")
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dev[0].connect("test-gas", key_mgmt="WPA-EAP", eap="TTLS",
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identity="DOMAIN\mschapv2 user", anonymous_identity="ttls",
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password="password", phase2="auth=MSCHAPV2",
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ca_cert="auth_serv/ca.pem", wait_connect=False,
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scan_freq="2412")
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req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101")
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if "FAIL" in req:
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raise Exception("GAS query request rejected")
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ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED", "GAS-RESPONSE-INFO"],
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timeout=20)
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if ev is None:
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raise Exception("Operation timed out")
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if "CTRL-EVENT-CONNECTED" not in ev:
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raise Exception("Unexpected operation order")
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ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED", "GAS-RESPONSE-INFO"],
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timeout=20)
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if ev is None:
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raise Exception("Operation timed out")
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if "GAS-RESPONSE-INFO" not in ev:
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raise Exception("Unexpected operation order")
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get_gas_response(dev[0], bssid, ev)
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dev[0].request("DISCONNECT")
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ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=5)
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if ev is None:
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raise Exception("Disconnection timed out")
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logger.debug("Wait six seconds for expiration of connect-without-scan")
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time.sleep(6)
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dev[0].dump_monitor()
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logger.debug("Start concurrent GAS request and connect")
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req = dev[0].request("GAS_REQUEST " + bssid + " 00 000102000101")
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if "FAIL" in req:
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raise Exception("GAS query request rejected")
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dev[0].request("RECONNECT")
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ev = dev[0].wait_event(["GAS-RESPONSE-INFO"], timeout=10)
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if ev is None:
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raise Exception("Operation timed out")
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get_gas_response(dev[0], bssid, ev)
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=20)
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if ev is None:
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raise Exception("No new scan results reported")
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ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=20)
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if ev is None:
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raise Exception("Operation timed out")
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if "CTRL-EVENT-CONNECTED" not in ev:
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raise Exception("Unexpected operation order")
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def test_gas_fragment(dev, apdev):
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"""GAS fragmentation"""
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hapd = start_ap(apdev[0])
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hapd.set("gas_frag_limit", "50")
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dev[0].scan(freq="2412")
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dev[0].request("FETCH_ANQP")
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for i in range(0, 13):
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ev = dev[0].wait_event(["RX-ANQP", "RX-HS20-ANQP"], timeout=5)
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if ev is None:
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raise Exception("Operation timed out")
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def test_gas_comeback_delay(dev, apdev):
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"""GAS fragmentation"""
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hapd = start_ap(apdev[0])
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hapd.set("gas_comeback_delay", "500")
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dev[0].scan(freq="2412")
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dev[0].request("FETCH_ANQP")
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for i in range(0, 6):
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ev = dev[0].wait_event(["RX-ANQP"], timeout=5)
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if ev is None:
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raise Exception("Operation timed out")
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def expect_gas_result(dev, result, status=None):
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ev = dev.wait_event(["GAS-QUERY-DONE"], timeout=10)
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if ev is None:
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raise Exception("GAS query timed out")
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if "result=" + result not in ev:
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raise Exception("Unexpected GAS query result")
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if status and "status_code=" + str(status) + ' ' not in ev:
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raise Exception("Unexpected GAS status code")
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def anqp_get(dev, bssid, id):
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dev.request("ANQP_GET " + bssid + " " + str(id))
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ev = dev.wait_event(["GAS-QUERY-START"], timeout=5)
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if ev is None:
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raise Exception("GAS query start timed out")
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def test_gas_timeout(dev, apdev):
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"""GAS timeout"""
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hapd = start_ap(apdev[0])
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bssid = apdev[0]['bssid']
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dev[0].scan(freq="2412")
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hapd.set("ext_mgmt_frame_handling", "1")
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anqp_get(dev[0], bssid, 263)
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ev = hapd.wait_event(["MGMT-RX"], timeout=5)
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if ev is None:
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raise Exception("MGMT RX wait timed out")
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expect_gas_result(dev[0], "TIMEOUT")
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MGMT_SUBTYPE_ACTION = 13
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ACTION_CATEG_PUBLIC = 4
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GAS_INITIAL_REQUEST = 10
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GAS_INITIAL_RESPONSE = 11
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GAS_COMEBACK_REQUEST = 12
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GAS_COMEBACK_RESPONSE = 13
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GAS_ACTIONS = [ GAS_INITIAL_REQUEST, GAS_INITIAL_RESPONSE,
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GAS_COMEBACK_REQUEST, GAS_COMEBACK_RESPONSE ]
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def anqp_adv_proto():
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return struct.pack('BBBB', 108, 2, 127, 0)
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def anqp_initial_resp(dialog_token, status_code, comeback_delay=0):
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return struct.pack('<BBBHH', ACTION_CATEG_PUBLIC, GAS_INITIAL_RESPONSE,
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dialog_token, status_code, comeback_delay) + anqp_adv_proto()
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def anqp_comeback_resp(dialog_token, status_code=0, id=0, more=False, comeback_delay=0, bogus_adv_proto=False):
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if more:
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id |= 0x80
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if bogus_adv_proto:
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adv = struct.pack('BBBB', 108, 2, 127, 1)
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else:
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adv = anqp_adv_proto()
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return struct.pack('<BBBHBH', ACTION_CATEG_PUBLIC, GAS_COMEBACK_RESPONSE,
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dialog_token, status_code, id, comeback_delay) + adv
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def gas_rx(hapd):
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count = 0
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while count < 30:
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count = count + 1
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query = hapd.mgmt_rx()
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if query is None:
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raise Exception("Action frame not received")
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if query['subtype'] != MGMT_SUBTYPE_ACTION:
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continue
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payload = query['payload']
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if len(payload) < 2:
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continue
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(category, action) = struct.unpack('BB', payload[0:2])
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if category != ACTION_CATEG_PUBLIC or action not in GAS_ACTIONS:
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continue
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return query
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raise Exception("No Action frame received")
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def parse_gas(payload):
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pos = payload
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(category, action, dialog_token) = struct.unpack('BBB', pos[0:3])
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if category != ACTION_CATEG_PUBLIC:
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return None
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if action not in GAS_ACTIONS:
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return None
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gas = {}
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gas['action'] = action
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pos = pos[3:]
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if len(pos) < 1 and action != GAS_COMEBACK_REQUEST:
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return None
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gas['dialog_token'] = dialog_token
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return gas
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def action_response(req):
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resp = {}
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resp['fc'] = req['fc']
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resp['da'] = req['sa']
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resp['sa'] = req['da']
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resp['bssid'] = req['bssid']
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return resp
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def send_gas_resp(hapd, resp):
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hapd.mgmt_tx(resp)
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ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
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if ev is None:
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raise Exception("Missing TX status for GAS response")
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if "ok=1" not in ev:
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raise Exception("GAS response not acknowledged")
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def test_gas_invalid_response_type(dev, apdev):
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"""GAS invalid response type"""
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hapd = start_ap(apdev[0])
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bssid = apdev[0]['bssid']
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dev[0].scan(freq="2412")
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hapd.set("ext_mgmt_frame_handling", "1")
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anqp_get(dev[0], bssid, 263)
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query = gas_rx(hapd)
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gas = parse_gas(query['payload'])
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resp = action_response(query)
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# GAS Comeback Response instead of GAS Initial Response
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resp['payload'] = anqp_comeback_resp(gas['dialog_token']) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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# station drops the invalid frame, so this needs to result in GAS timeout
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expect_gas_result(dev[0], "TIMEOUT")
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def test_gas_failure_status_code(dev, apdev):
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"""GAS failure status code"""
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hapd = start_ap(apdev[0])
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bssid = apdev[0]['bssid']
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dev[0].scan(freq="2412")
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hapd.set("ext_mgmt_frame_handling", "1")
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anqp_get(dev[0], bssid, 263)
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query = gas_rx(hapd)
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gas = parse_gas(query['payload'])
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resp = action_response(query)
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resp['payload'] = anqp_initial_resp(gas['dialog_token'], 61) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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expect_gas_result(dev[0], "FAILURE")
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def test_gas_malformed(dev, apdev):
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"""GAS malformed response frames"""
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hapd = start_ap(apdev[0])
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bssid = apdev[0]['bssid']
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dev[0].scan(freq="2412")
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hapd.set("ext_mgmt_frame_handling", "1")
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anqp_get(dev[0], bssid, 263)
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query = gas_rx(hapd)
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gas = parse_gas(query['payload'])
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resp = action_response(query)
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resp['payload'] = struct.pack('<BBBH', ACTION_CATEG_PUBLIC,
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GAS_COMEBACK_RESPONSE,
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gas['dialog_token'], 0)
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hapd.mgmt_tx(resp)
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resp['payload'] = struct.pack('<BBBHB', ACTION_CATEG_PUBLIC,
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GAS_COMEBACK_RESPONSE,
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gas['dialog_token'], 0, 0)
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hapd.mgmt_tx(resp)
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hdr = struct.pack('<BBBHH', ACTION_CATEG_PUBLIC, GAS_INITIAL_RESPONSE,
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gas['dialog_token'], 0, 0)
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resp['payload'] = hdr + struct.pack('B', 108)
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hapd.mgmt_tx(resp)
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resp['payload'] = hdr + struct.pack('BB', 108, 0)
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hapd.mgmt_tx(resp)
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resp['payload'] = hdr + struct.pack('BB', 108, 1)
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hapd.mgmt_tx(resp)
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resp['payload'] = hdr + struct.pack('BB', 108, 255)
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hapd.mgmt_tx(resp)
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resp['payload'] = hdr + struct.pack('BBB', 108, 1, 127)
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hapd.mgmt_tx(resp)
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resp['payload'] = hdr + struct.pack('BBB', 108, 2, 127)
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hapd.mgmt_tx(resp)
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resp['payload'] = hdr + struct.pack('BBBB', 0, 2, 127, 0)
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hapd.mgmt_tx(resp)
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resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<H', 1)
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hapd.mgmt_tx(resp)
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resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<HB', 2, 0)
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hapd.mgmt_tx(resp)
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resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<H', 65535)
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hapd.mgmt_tx(resp)
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resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<HBB', 1, 0, 0)
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hapd.mgmt_tx(resp)
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# Station drops invalid frames, but the last of the responses is valid from
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# GAS view point even though it has an extra octet in the end and the ANQP
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# part of the response is not valid. This is reported as successfulyl
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# completed GAS exchange.
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expect_gas_result(dev[0], "SUCCESS")
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def init_gas(hapd, bssid, dev):
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anqp_get(dev, bssid, 263)
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query = gas_rx(hapd)
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gas = parse_gas(query['payload'])
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dialog_token = gas['dialog_token']
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resp = action_response(query)
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resp['payload'] = anqp_initial_resp(dialog_token, 0, comeback_delay=1) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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query = gas_rx(hapd)
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gas = parse_gas(query['payload'])
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if gas['action'] != GAS_COMEBACK_REQUEST:
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raise Exception("Unexpected request action")
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if gas['dialog_token'] != dialog_token:
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raise Exception("Unexpected dialog token change")
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return query, dialog_token
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def test_gas_malformed_comeback_resp(dev, apdev):
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"""GAS malformed comeback response frames"""
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hapd = start_ap(apdev[0])
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bssid = apdev[0]['bssid']
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dev[0].scan(freq="2412")
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hapd.set("ext_mgmt_frame_handling", "1")
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logger.debug("Non-zero status code in comeback response")
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query, dialog_token = init_gas(hapd, bssid, dev[0])
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resp = action_response(query)
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resp['payload'] = anqp_comeback_resp(dialog_token, status_code=2) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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expect_gas_result(dev[0], "FAILURE", status=2)
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logger.debug("Different advertisement protocol in comeback response")
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query, dialog_token = init_gas(hapd, bssid, dev[0])
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resp = action_response(query)
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resp['payload'] = anqp_comeback_resp(dialog_token, bogus_adv_proto=True) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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expect_gas_result(dev[0], "PEER_ERROR")
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|
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logger.debug("Non-zero frag id and comeback delay in comeback response")
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query, dialog_token = init_gas(hapd, bssid, dev[0])
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resp = action_response(query)
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resp['payload'] = anqp_comeback_resp(dialog_token, id=1, comeback_delay=1) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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expect_gas_result(dev[0], "PEER_ERROR")
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|
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logger.debug("Unexpected frag id in comeback response")
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query, dialog_token = init_gas(hapd, bssid, dev[0])
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resp = action_response(query)
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resp['payload'] = anqp_comeback_resp(dialog_token, id=1) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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expect_gas_result(dev[0], "PEER_ERROR")
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|
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logger.debug("Empty fragment and replay in comeback response")
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query, dialog_token = init_gas(hapd, bssid, dev[0])
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resp = action_response(query)
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resp['payload'] = anqp_comeback_resp(dialog_token, more=True) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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query = gas_rx(hapd)
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gas = parse_gas(query['payload'])
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if gas['action'] != GAS_COMEBACK_REQUEST:
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raise Exception("Unexpected request action")
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if gas['dialog_token'] != dialog_token:
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raise Exception("Unexpected dialog token change")
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resp = action_response(query)
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resp['payload'] = anqp_comeback_resp(dialog_token) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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resp['payload'] = anqp_comeback_resp(dialog_token, id=1) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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expect_gas_result(dev[0], "SUCCESS")
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|
|
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logger.debug("Unexpected initial response when waiting for comeback response")
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query, dialog_token = init_gas(hapd, bssid, dev[0])
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resp = action_response(query)
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resp['payload'] = anqp_initial_resp(dialog_token, 0) + struct.pack('<H', 0)
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send_gas_resp(hapd, resp)
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ev = hapd.wait_event(["MGMT-RX"], timeout=1)
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if ev is not None:
|
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raise Exception("Unexpected management frame")
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expect_gas_result(dev[0], "TIMEOUT")
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|
|
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logger.debug("Too short comeback response")
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query, dialog_token = init_gas(hapd, bssid, dev[0])
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resp = action_response(query)
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resp['payload'] = struct.pack('<BBBH', ACTION_CATEG_PUBLIC,
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GAS_COMEBACK_RESPONSE, dialog_token, 0)
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send_gas_resp(hapd, resp)
|
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ev = hapd.wait_event(["MGMT-RX"], timeout=1)
|
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if ev is not None:
|
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raise Exception("Unexpected management frame")
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expect_gas_result(dev[0], "TIMEOUT")
|
|
|
|
logger.debug("Too short comeback response(2)")
|
|
query, dialog_token = init_gas(hapd, bssid, dev[0])
|
|
resp = action_response(query)
|
|
resp['payload'] = struct.pack('<BBBHBB', ACTION_CATEG_PUBLIC,
|
|
GAS_COMEBACK_RESPONSE, dialog_token, 0, 0x80,
|
|
0)
|
|
send_gas_resp(hapd, resp)
|
|
ev = hapd.wait_event(["MGMT-RX"], timeout=1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected management frame")
|
|
expect_gas_result(dev[0], "TIMEOUT")
|
|
|
|
logger.debug("Maximum comeback response fragment claiming more fragments")
|
|
query, dialog_token = init_gas(hapd, bssid, dev[0])
|
|
resp = action_response(query)
|
|
resp['payload'] = anqp_comeback_resp(dialog_token, more=True) + struct.pack('<H', 0)
|
|
send_gas_resp(hapd, resp)
|
|
for i in range(1, 129):
|
|
query = gas_rx(hapd)
|
|
gas = parse_gas(query['payload'])
|
|
if gas['action'] != GAS_COMEBACK_REQUEST:
|
|
raise Exception("Unexpected request action")
|
|
if gas['dialog_token'] != dialog_token:
|
|
raise Exception("Unexpected dialog token change")
|
|
resp = action_response(query)
|
|
resp['payload'] = anqp_comeback_resp(dialog_token, id=i, more=True) + struct.pack('<H', 0)
|
|
send_gas_resp(hapd, resp)
|
|
expect_gas_result(dev[0], "PEER_ERROR")
|
|
|
|
def test_gas_comeback_resp_additional_delay(dev, apdev):
|
|
"""GAS comeback response requesting additional delay"""
|
|
hapd = start_ap(apdev[0])
|
|
bssid = apdev[0]['bssid']
|
|
|
|
dev[0].scan(freq="2412")
|
|
hapd.set("ext_mgmt_frame_handling", "1")
|
|
|
|
query, dialog_token = init_gas(hapd, bssid, dev[0])
|
|
for i in range(0, 2):
|
|
resp = action_response(query)
|
|
resp['payload'] = anqp_comeback_resp(dialog_token, status_code=95, comeback_delay=50) + struct.pack('<H', 0)
|
|
send_gas_resp(hapd, resp)
|
|
query = gas_rx(hapd)
|
|
gas = parse_gas(query['payload'])
|
|
if gas['action'] != GAS_COMEBACK_REQUEST:
|
|
raise Exception("Unexpected request action")
|
|
if gas['dialog_token'] != dialog_token:
|
|
raise Exception("Unexpected dialog token change")
|
|
resp = action_response(query)
|
|
resp['payload'] = anqp_comeback_resp(dialog_token, status_code=0) + struct.pack('<H', 0)
|
|
send_gas_resp(hapd, resp)
|
|
expect_gas_result(dev[0], "SUCCESS")
|
|
|
|
def test_gas_unknown_adv_proto(dev, apdev):
|
|
"""Unknown advertisement protocol id"""
|
|
bssid = apdev[0]['bssid']
|
|
params = hs20_ap_params()
|
|
params['hessid'] = bssid
|
|
hostapd.add_ap(apdev[0]['ifname'], params)
|
|
|
|
dev[0].scan(freq="2412")
|
|
req = dev[0].request("GAS_REQUEST " + bssid + " 42 000102000101")
|
|
if "FAIL" in req:
|
|
raise Exception("GAS query request rejected")
|
|
expect_gas_result(dev[0], "FAILURE", "59")
|
|
ev = dev[0].wait_event(["GAS-RESPONSE-INFO"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("GAS query timed out")
|
|
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, ev)
|
|
if len(res) < 6:
|
|
raise Exception("Could not parse GAS-RESPONSE-INFO")
|
|
if res[2] != bssid:
|
|
raise Exception("Unexpected BSSID in response")
|
|
status = res[4]
|
|
if status != "59":
|
|
raise Exception("Unexpected GAS-RESPONSE-INFO status")
|