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fragattacks/tests/hwsim/test_gas.py
Jouni Malinen 5a145a55a1 tests: Verify FAIL-BUSY return on SCAN during gas_comeback_delay 
Signed-off-by: Jouni Malinen <j@w1.fi>
2015-08-08 20:52:29 +03:00

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# GAS tests
# Copyright (c) 2013, Qualcomm Atheros, Inc.
# Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import time
import binascii
import logging
logger = logging.getLogger()
import re
import struct
import hostapd
from wpasupplicant import WpaSupplicant
from utils import alloc_fail, skip_with_fips
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"
params['network_auth_type'] = "02http://www.example.com/redirect/me/here/"
params['ipaddr_type_availability'] = "14"
params['hs20'] = "1"
params['hs20_oper_friendly_name'] = [ "eng:Example operator", "fin:Esimerkkioperaattori" ]
params['hs20_wan_metrics'] = "01:8000:1000:80:240:3000"
params['hs20_conn_capab'] = [ "1:0:2", "6:22:1", "17:5060:0" ]
params['hs20_operating_class'] = "5173"
return params
def start_ap(ap):
params = hs20_ap_params()
params['hessid'] = ap['bssid']
hostapd.add_ap(ap['ifname'], params)
return hostapd.Hostapd(ap['ifname'])
def get_gas_response(dev, bssid, info, allow_fetch_failure=False,
extra_test=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")
if extra_test:
if "FAIL" not in dev.request("GAS_RESPONSE_GET " + bssid + " 123456"):
raise Exception("Invalid dialog token accepted")
if "FAIL-Invalid range" not in dev.request("GAS_RESPONSE_GET " + bssid + " " + token + " 10000,10001"):
raise Exception("Invalid range accepted")
if "FAIL-Invalid range" not in dev.request("GAS_RESPONSE_GET " + bssid + " " + token + " 0,10000"):
raise Exception("Invalid range accepted")
if "FAIL" not in dev.request("GAS_RESPONSE_GET " + bssid + " " + token + " 0"):
raise Exception("Invalid GAS_RESPONSE_GET accepted")
res1_2 = dev.request("GAS_RESPONSE_GET " + bssid + " " + token + " 1,2")
res5_3 = dev.request("GAS_RESPONSE_GET " + bssid + " " + token + " 5,3")
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)
if extra_test:
if resp[2:6] != res1_2:
raise Exception("Unexpected response substring res1_2: " + res1_2)
if resp[10:16] != res5_3:
raise Exception("Unexpected response substring res5_3: " + res5_3)
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)
cmds = [ "foo",
"00:11:22:33:44:55",
"00:11:22:33:44:55 ",
"00:11:22:33:44:55 ",
"00:11:22:33:44:55 1",
"00:11:22:33:44:55 1 1234",
"00:11:22:33:44:55 qq",
"00:11:22:33:44:55 qq 1234",
"00:11:22:33:44:55 00 1",
"00:11:22:33:44:55 00 123",
"00:11:22:33:44:55 00 ",
"00:11:22:33:44:55 00 qq" ]
for cmd in cmds:
if "FAIL" not in dev[0].request("GAS_REQUEST " + cmd):
raise Exception("Invalid GAS_REQUEST accepted: " + cmd)
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
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, extra_test=True)
if "FAIL" not in dev[0].request("GAS_RESPONSE_GET ff"):
raise Exception("Invalid GAS_RESPONSE_GET accepted")
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)
# get BSS entry available to allow GAS query
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
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].scan(no_wait=True)
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"""
skip_with_fips(dev[0])
bssid = apdev[0]['bssid']
params = hs20_ap_params()
params['hessid'] = bssid
hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
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,
scan_freq="2412")
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")
dev[0].wait_disconnected(timeout=5)
logger.debug("Wait six seconds for expiration of connect-without-scan")
time.sleep(6)
dev[0].dump_monitor()
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_connected(timeout=20, error="Operation tiemd out")
if "CTRL-EVENT-CONNECTED" not in ev:
raise Exception("Unexpected operation order")
def test_gas_fragment(dev, apdev):
"""GAS fragmentation"""
hapd = start_ap(apdev[0])
hapd.set("gas_frag_limit", "50")
dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412", force_scan=True)
dev[0].request("FETCH_ANQP")
ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=1)
if ev is None:
raise Exception("No GAS-QUERY-DONE event")
if "result=SUCCESS" not in ev:
raise Exception("Unexpected GAS result: " + ev)
for i in range(0, 13):
ev = dev[0].wait_event(["RX-ANQP", "RX-HS20-ANQP"], timeout=5)
if ev is None:
raise Exception("Operation timed out")
ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=1)
if ev is None:
raise Exception("No ANQP-QUERY-DONE event")
if "result=SUCCESS" not in ev:
raise Exception("Unexpected ANQP result: " + ev)
def test_gas_comeback_delay(dev, apdev):
"""GAS comeback delay"""
hapd = start_ap(apdev[0])
hapd.set("gas_comeback_delay", "500")
dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412", force_scan=True)
dev[0].request("FETCH_ANQP")
if "FAIL-BUSY" not in dev[0].request("SCAN"):
raise Exception("SCAN accepted during FETCH_ANQP")
for i in range(0, 6):
ev = dev[0].wait_event(["RX-ANQP"], timeout=5)
if ev is None:
raise Exception("Operation timed out")
def test_gas_stop_fetch_anqp(dev, apdev):
"""Stop FETCH_ANQP operation"""
hapd = start_ap(apdev[0])
dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412", force_scan=True)
hapd.set("ext_mgmt_frame_handling", "1")
dev[0].request("FETCH_ANQP")
dev[0].request("STOP_FETCH_ANQP")
hapd.set("ext_mgmt_frame_handling", "0")
ev = dev[0].wait_event(["RX-ANQP", "GAS-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("GAS-QUERY-DONE timed out")
if "RX-ANQP" in ev:
raise Exception("Unexpected ANQP response received")
def test_gas_anqp_get(dev, apdev):
"""GAS/ANQP query for both IEEE 802.11 and Hotspot 2.0 elements"""
hapd = start_ap(apdev[0])
bssid = apdev[0]['bssid']
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
if "OK" not in dev[0].request("ANQP_GET " + bssid + " 258,268,hs20:3,hs20:4"):
raise Exception("ANQP_GET command failed")
ev = dev[0].wait_event(["GAS-QUERY-START"], timeout=5)
if ev is None:
raise Exception("GAS query start timed out")
ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("GAS query timed out")
ev = dev[0].wait_event(["RX-ANQP"], timeout=1)
if ev is None or "Venue Name" not in ev:
raise Exception("Did not receive Venue Name")
ev = dev[0].wait_event(["RX-ANQP"], timeout=1)
if ev is None or "Domain Name list" not in ev:
raise Exception("Did not receive Domain Name list")
ev = dev[0].wait_event(["RX-HS20-ANQP"], timeout=1)
if ev is None or "Operator Friendly Name" not in ev:
raise Exception("Did not receive Operator Friendly Name")
ev = dev[0].wait_event(["RX-HS20-ANQP"], timeout=1)
if ev is None or "WAN Metrics" not in ev:
raise Exception("Did not receive WAN Metrics")
ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("ANQP-QUERY-DONE event not seen")
if "result=SUCCESS" not in ev:
raise Exception("Unexpected result: " + ev)
if "OK" not in dev[0].request("HS20_ANQP_GET " + bssid + " 3,4"):
raise Exception("ANQP_GET command failed")
ev = dev[0].wait_event(["RX-HS20-ANQP"], timeout=1)
if ev is None or "Operator Friendly Name" not in ev:
raise Exception("Did not receive Operator Friendly Name")
ev = dev[0].wait_event(["RX-HS20-ANQP"], timeout=1)
if ev is None or "WAN Metrics" not in ev:
raise Exception("Did not receive WAN Metrics")
cmds = [ "",
"foo",
"00:11:22:33:44:55 258,hs20:-1",
"00:11:22:33:44:55 258,hs20:0",
"00:11:22:33:44:55 258,hs20:32",
"00:11:22:33:44:55 hs20:-1",
"00:11:22:33:44:55 hs20:0",
"00:11:22:33:44:55 hs20:32",
"00:11:22:33:44:55",
"00:11:22:33:44:55 ",
"00:11:22:33:44:55 0" ]
for cmd in cmds:
if "FAIL" not in dev[0].request("ANQP_GET " + cmd):
raise Exception("Invalid ANQP_GET accepted")
cmds = [ "",
"foo",
"00:11:22:33:44:55 -1",
"00:11:22:33:44:55 0",
"00:11:22:33:44:55 32",
"00:11:22:33:44:55",
"00:11:22:33:44:55 ",
"00:11:22:33:44:55 0" ]
for cmd in cmds:
if "FAIL" not in dev[0].request("HS20_ANQP_GET " + cmd):
raise Exception("Invalid HS20_ANQP_GET accepted")
def expect_gas_result(dev, result, status=None):
ev = dev.wait_event(["GAS-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("GAS query timed out")
if "result=" + result not in ev:
raise Exception("Unexpected GAS query result")
if status and "status_code=" + str(status) + ' ' not in ev:
raise Exception("Unexpected GAS status code")
def anqp_get(dev, bssid, id):
if "OK" not in dev.request("ANQP_GET " + bssid + " " + str(id)):
raise Exception("ANQP_GET command failed")
ev = dev.wait_event(["GAS-QUERY-START"], timeout=5)
if ev is None:
raise Exception("GAS query start timed out")
def test_gas_timeout(dev, apdev):
"""GAS timeout"""
hapd = start_ap(apdev[0])
bssid = apdev[0]['bssid']
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
hapd.set("ext_mgmt_frame_handling", "1")
anqp_get(dev[0], bssid, 263)
ev = hapd.wait_event(["MGMT-RX"], timeout=5)
if ev is None:
raise Exception("MGMT RX wait timed out")
expect_gas_result(dev[0], "TIMEOUT")
MGMT_SUBTYPE_ACTION = 13
ACTION_CATEG_PUBLIC = 4
GAS_INITIAL_REQUEST = 10
GAS_INITIAL_RESPONSE = 11
GAS_COMEBACK_REQUEST = 12
GAS_COMEBACK_RESPONSE = 13
GAS_ACTIONS = [ GAS_INITIAL_REQUEST, GAS_INITIAL_RESPONSE,
GAS_COMEBACK_REQUEST, GAS_COMEBACK_RESPONSE ]
def anqp_adv_proto():
return struct.pack('BBBB', 108, 2, 127, 0)
def anqp_initial_resp(dialog_token, status_code, comeback_delay=0):
return struct.pack('<BBBHH', ACTION_CATEG_PUBLIC, GAS_INITIAL_RESPONSE,
dialog_token, status_code, comeback_delay) + anqp_adv_proto()
def anqp_comeback_resp(dialog_token, status_code=0, id=0, more=False, comeback_delay=0, bogus_adv_proto=False):
if more:
id |= 0x80
if bogus_adv_proto:
adv = struct.pack('BBBB', 108, 2, 127, 1)
else:
adv = anqp_adv_proto()
return struct.pack('<BBBHBH', ACTION_CATEG_PUBLIC, GAS_COMEBACK_RESPONSE,
dialog_token, status_code, id, comeback_delay) + adv
def gas_rx(hapd):
count = 0
while count < 30:
count = count + 1
query = hapd.mgmt_rx()
if query is None:
raise Exception("Action frame not received")
if query['subtype'] != MGMT_SUBTYPE_ACTION:
continue
payload = query['payload']
if len(payload) < 2:
continue
(category, action) = struct.unpack('BB', payload[0:2])
if category != ACTION_CATEG_PUBLIC or action not in GAS_ACTIONS:
continue
return query
raise Exception("No Action frame received")
def parse_gas(payload):
pos = payload
(category, action, dialog_token) = struct.unpack('BBB', pos[0:3])
if category != ACTION_CATEG_PUBLIC:
return None
if action not in GAS_ACTIONS:
return None
gas = {}
gas['action'] = action
pos = pos[3:]
if len(pos) < 1 and action != GAS_COMEBACK_REQUEST:
return None
gas['dialog_token'] = dialog_token
if action == GAS_INITIAL_RESPONSE:
if len(pos) < 4:
return None
(status_code, comeback_delay) = struct.unpack('<HH', pos[0:4])
gas['status_code'] = status_code
gas['comeback_delay'] = comeback_delay
if action == GAS_COMEBACK_RESPONSE:
if len(pos) < 5:
return None
(status_code, frag, comeback_delay) = struct.unpack('<HBH', pos[0:5])
gas['status_code'] = status_code
gas['frag'] = frag
gas['comeback_delay'] = comeback_delay
return gas
def action_response(req):
resp = {}
resp['fc'] = req['fc']
resp['da'] = req['sa']
resp['sa'] = req['da']
resp['bssid'] = req['bssid']
return resp
def send_gas_resp(hapd, resp):
hapd.mgmt_tx(resp)
ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
if ev is None:
raise Exception("Missing TX status for GAS response")
if "ok=1" not in ev:
raise Exception("GAS response not acknowledged")
def test_gas_invalid_response_type(dev, apdev):
"""GAS invalid response type"""
hapd = start_ap(apdev[0])
bssid = apdev[0]['bssid']
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
hapd.set("ext_mgmt_frame_handling", "1")
anqp_get(dev[0], bssid, 263)
query = gas_rx(hapd)
gas = parse_gas(query['payload'])
resp = action_response(query)
# GAS Comeback Response instead of GAS Initial Response
resp['payload'] = anqp_comeback_resp(gas['dialog_token']) + struct.pack('<H', 0)
send_gas_resp(hapd, resp)
# station drops the invalid frame, so this needs to result in GAS timeout
expect_gas_result(dev[0], "TIMEOUT")
def test_gas_failure_status_code(dev, apdev):
"""GAS failure status code"""
hapd = start_ap(apdev[0])
bssid = apdev[0]['bssid']
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
hapd.set("ext_mgmt_frame_handling", "1")
anqp_get(dev[0], bssid, 263)
query = gas_rx(hapd)
gas = parse_gas(query['payload'])
resp = action_response(query)
resp['payload'] = anqp_initial_resp(gas['dialog_token'], 61) + struct.pack('<H', 0)
send_gas_resp(hapd, resp)
expect_gas_result(dev[0], "FAILURE")
def test_gas_malformed(dev, apdev):
"""GAS malformed response frames"""
hapd = start_ap(apdev[0])
bssid = apdev[0]['bssid']
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
hapd.set("ext_mgmt_frame_handling", "1")
anqp_get(dev[0], bssid, 263)
query = gas_rx(hapd)
gas = parse_gas(query['payload'])
resp = action_response(query)
resp['payload'] = struct.pack('<BBBH', ACTION_CATEG_PUBLIC,
GAS_COMEBACK_RESPONSE,
gas['dialog_token'], 0)
hapd.mgmt_tx(resp)
resp['payload'] = struct.pack('<BBBHB', ACTION_CATEG_PUBLIC,
GAS_COMEBACK_RESPONSE,
gas['dialog_token'], 0, 0)
hapd.mgmt_tx(resp)
hdr = struct.pack('<BBBHH', ACTION_CATEG_PUBLIC, GAS_INITIAL_RESPONSE,
gas['dialog_token'], 0, 0)
resp['payload'] = hdr + struct.pack('B', 108)
hapd.mgmt_tx(resp)
resp['payload'] = hdr + struct.pack('BB', 108, 0)
hapd.mgmt_tx(resp)
resp['payload'] = hdr + struct.pack('BB', 108, 1)
hapd.mgmt_tx(resp)
resp['payload'] = hdr + struct.pack('BB', 108, 255)
hapd.mgmt_tx(resp)
resp['payload'] = hdr + struct.pack('BBB', 108, 1, 127)
hapd.mgmt_tx(resp)
resp['payload'] = hdr + struct.pack('BBB', 108, 2, 127)
hapd.mgmt_tx(resp)
resp['payload'] = hdr + struct.pack('BBBB', 0, 2, 127, 0)
hapd.mgmt_tx(resp)
resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<H', 1)
hapd.mgmt_tx(resp)
resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<HB', 2, 0)
hapd.mgmt_tx(resp)
resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<H', 65535)
hapd.mgmt_tx(resp)
resp['payload'] = anqp_initial_resp(gas['dialog_token'], 0) + struct.pack('<HBB', 1, 0, 0)
hapd.mgmt_tx(resp)
# Station drops invalid frames, but the last of the responses is valid from
# GAS view point even though it has an extra octet in the end and the ANQP
# part of the response is not valid. This is reported as successfully
# completed GAS exchange.
expect_gas_result(dev[0], "SUCCESS")
ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=5)
if ev is None:
raise Exception("ANQP-QUERY-DONE not reported")
if "result=INVALID_FRAME" not in ev:
raise Exception("Unexpected result: " + ev)
def init_gas(hapd, bssid, dev):
anqp_get(dev, bssid, 263)
query = gas_rx(hapd)
gas = parse_gas(query['payload'])
dialog_token = gas['dialog_token']
resp = action_response(query)
resp['payload'] = anqp_initial_resp(dialog_token, 0, comeback_delay=1) + 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")
return query, dialog_token
def test_gas_malformed_comeback_resp(dev, apdev):
"""GAS malformed comeback response frames"""
hapd = start_ap(apdev[0])
bssid = apdev[0]['bssid']
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
hapd.set("ext_mgmt_frame_handling", "1")
logger.debug("Non-zero status code in comeback response")
query, dialog_token = init_gas(hapd, bssid, dev[0])
resp = action_response(query)
resp['payload'] = anqp_comeback_resp(dialog_token, status_code=2) + struct.pack('<H', 0)
send_gas_resp(hapd, resp)
expect_gas_result(dev[0], "FAILURE", status=2)
logger.debug("Different advertisement protocol in comeback response")
query, dialog_token = init_gas(hapd, bssid, dev[0])
resp = action_response(query)
resp['payload'] = anqp_comeback_resp(dialog_token, bogus_adv_proto=True) + struct.pack('<H', 0)
send_gas_resp(hapd, resp)
expect_gas_result(dev[0], "PEER_ERROR")
logger.debug("Non-zero frag id and comeback delay in comeback response")
query, dialog_token = init_gas(hapd, bssid, dev[0])
resp = action_response(query)
resp['payload'] = anqp_comeback_resp(dialog_token, id=1, comeback_delay=1) + struct.pack('<H', 0)
send_gas_resp(hapd, resp)
expect_gas_result(dev[0], "PEER_ERROR")
logger.debug("Unexpected frag id in comeback response")
query, dialog_token = init_gas(hapd, bssid, dev[0])
resp = action_response(query)
resp['payload'] = anqp_comeback_resp(dialog_token, id=1) + struct.pack('<H', 0)
send_gas_resp(hapd, resp)
expect_gas_result(dev[0], "PEER_ERROR")
logger.debug("Empty fragment and replay in comeback response")
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)
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) + struct.pack('<H', 0)
send_gas_resp(hapd, resp)
resp['payload'] = anqp_comeback_resp(dialog_token, id=1) + struct.pack('<H', 0)
send_gas_resp(hapd, resp)
expect_gas_result(dev[0], "SUCCESS")
logger.debug("Unexpected initial response when waiting for comeback response")
query, dialog_token = init_gas(hapd, bssid, dev[0])
resp = action_response(query)
resp['payload'] = anqp_initial_resp(dialog_token, 0) + struct.pack('<H', 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("Too short comeback response")
query, dialog_token = init_gas(hapd, bssid, dev[0])
resp = action_response(query)
resp['payload'] = struct.pack('<BBBH', ACTION_CATEG_PUBLIC,
GAS_COMEBACK_RESPONSE, dialog_token, 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("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_for_bss(bssid, freq="2412", force_scan=True)
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_for_bss(bssid, freq="2412", force_scan=True)
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")
def test_gas_max_pending(dev, apdev):
"""GAS and maximum pending query limit"""
hapd = start_ap(apdev[0])
hapd.set("gas_frag_limit", "50")
bssid = apdev[0]['bssid']
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
if "OK" not in wpas.request("P2P_SET listen_channel 1"):
raise Exception("Failed to set listen channel")
if "OK" not in wpas.p2p_listen():
raise Exception("Failed to start listen state")
if "FAIL" in wpas.request("SET ext_mgmt_frame_handling 1"):
raise Exception("Failed to enable external management frame handling")
anqp_query = struct.pack('<HHHHHHHHHH', 256, 16, 257, 258, 260, 261, 262, 263, 264, 268)
gas = struct.pack('<H', len(anqp_query)) + anqp_query
for dialog_token in range(1, 10):
msg = struct.pack('<BBB', ACTION_CATEG_PUBLIC, GAS_INITIAL_REQUEST,
dialog_token) + anqp_adv_proto() + gas
req = "MGMT_TX {} {} freq=2412 wait_time=10 action={}".format(bssid, bssid, binascii.hexlify(msg))
if "OK" not in wpas.request(req):
raise Exception("Could not send management frame")
resp = wpas.mgmt_rx()
if resp is None:
raise Exception("MGMT-RX timeout")
if 'payload' not in resp:
raise Exception("Missing payload")
gresp = parse_gas(resp['payload'])
if gresp['dialog_token'] != dialog_token:
raise Exception("Dialog token mismatch")
status_code = gresp['status_code']
if dialog_token < 9 and status_code != 0:
raise Exception("Unexpected failure status code {} for dialog token {}".format(status_code, dialog_token))
if dialog_token > 8 and status_code == 0:
raise Exception("Unexpected success status code {} for dialog token {}".format(status_code, dialog_token))
def test_gas_no_pending(dev, apdev):
"""GAS and no pending query for comeback request"""
hapd = start_ap(apdev[0])
bssid = apdev[0]['bssid']
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
if "OK" not in wpas.request("P2P_SET listen_channel 1"):
raise Exception("Failed to set listen channel")
if "OK" not in wpas.p2p_listen():
raise Exception("Failed to start listen state")
if "FAIL" in wpas.request("SET ext_mgmt_frame_handling 1"):
raise Exception("Failed to enable external management frame handling")
msg = struct.pack('<BBB', ACTION_CATEG_PUBLIC, GAS_COMEBACK_REQUEST, 1)
req = "MGMT_TX {} {} freq=2412 wait_time=10 action={}".format(bssid, bssid, binascii.hexlify(msg))
if "OK" not in wpas.request(req):
raise Exception("Could not send management frame")
resp = wpas.mgmt_rx()
if resp is None:
raise Exception("MGMT-RX timeout")
if 'payload' not in resp:
raise Exception("Missing payload")
gresp = parse_gas(resp['payload'])
status_code = gresp['status_code']
if status_code != 60:
raise Exception("Unexpected status code {} (expected 60)".format(status_code))
def test_gas_missing_payload(dev, apdev):
"""No action code in the query frame"""
bssid = apdev[0]['bssid']
params = hs20_ap_params()
params['hessid'] = bssid
hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
cmd = "MGMT_TX {} {} freq=2412 action=040A".format(bssid, bssid)
if "FAIL" in dev[0].request(cmd):
raise Exception("Could not send test Action frame")
ev = dev[0].wait_event(["MGMT-TX-STATUS"], timeout=10)
if ev is None:
raise Exception("Timeout on MGMT-TX-STATUS")
if "result=SUCCESS" not in ev:
raise Exception("AP did not ack Action frame")
cmd = "MGMT_TX {} {} freq=2412 action=04".format(bssid, bssid)
if "FAIL" in dev[0].request(cmd):
raise Exception("Could not send test Action frame")
ev = dev[0].wait_event(["MGMT-TX-STATUS"], timeout=10)
if ev is None:
raise Exception("Timeout on MGMT-TX-STATUS")
if "result=SUCCESS" not in ev:
raise Exception("AP did not ack Action frame")
def test_gas_query_deinit(dev, apdev):
"""Pending GAS/ANQP query during deinit"""
hapd = start_ap(apdev[0])
bssid = apdev[0]['bssid']
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.scan_for_bss(bssid, freq="2412", force_scan=True)
id = wpas.request("RADIO_WORK add block-work")
if "OK" not in wpas.request("ANQP_GET " + bssid + " 258"):
raise Exception("ANQP_GET command failed")
ev = wpas.wait_event(["GAS-QUERY-START", "EXT-RADIO-WORK-START"], timeout=5)
if ev is None:
raise Exception("Timeout while waiting radio work to start")
ev = wpas.wait_event(["GAS-QUERY-START", "EXT-RADIO-WORK-START"], timeout=5)
if ev is None:
raise Exception("Timeout while waiting radio work to start (2)")
# Remove the interface while the gas-query radio work is still pending and
# GAS query has not yet been started.
wpas.interface_remove("wlan5")
def test_gas_anqp_oom_wpas(dev, apdev):
"""GAS/ANQP query and OOM in wpa_supplicant"""
hapd = start_ap(apdev[0])
bssid = apdev[0]['bssid']
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
with alloc_fail(dev[0], 1, "gas_build_req"):
if "FAIL" not in dev[0].request("ANQP_GET " + bssid + " 258"):
raise Exception("Unexpected ANQP_GET command success (OOM)")
def test_gas_anqp_oom_hapd(dev, apdev):
"""GAS/ANQP query and OOM in hostapd"""
hapd = start_ap(apdev[0])
bssid = apdev[0]['bssid']
dev[0].scan_for_bss(bssid, freq="2412", force_scan=True)
with alloc_fail(hapd, 1, "gas_build_resp"):
# This query will time out due to the AP not sending a response (OOM).
if "OK" not in dev[0].request("ANQP_GET " + bssid + " 258"):
raise Exception("ANQP_GET command failed")
ev = dev[0].wait_event(["GAS-QUERY-START"], timeout=5)
if ev is None:
raise Exception("GAS query start timed out")
ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("GAS query timed out")
if "result=TIMEOUT" not in ev:
raise Exception("Unexpected result: " + ev)
ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("ANQP-QUERY-DONE event not seen")
if "result=FAILURE" not in ev:
raise Exception("Unexpected result: " + ev)
with alloc_fail(hapd, 1, "gas_anqp_build_comeback_resp"):
hapd.set("gas_frag_limit", "50")
# This query will time out due to the AP not sending a response (OOM).
print dev[0].request("FETCH_ANQP")
ev = dev[0].wait_event(["GAS-QUERY-START"], timeout=5)
if ev is None:
raise Exception("GAS query start timed out")
ev = dev[0].wait_event(["GAS-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("GAS query timed out")
if "result=TIMEOUT" not in ev:
raise Exception("Unexpected result: " + ev)
ev = dev[0].wait_event(["ANQP-QUERY-DONE"], timeout=10)
if ev is None:
raise Exception("ANQP-QUERY-DONE event not seen")
if "result=FAILURE" not in ev:
raise Exception("Unexpected result: " + ev)
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