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tests: Limit on number of GAS pending dialog contexts

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-05-25 18:43:17 +03:00
parent d73c7b9626
commit 1d1de2306d
1 changed files with 46 additions and 0 deletions
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46
tests/hwsim/test_gas.py
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@ -13,6 +13,7 @@ import re
import struct import struct
import hostapd import hostapd
from wpasupplicant import WpaSupplicant
def hs20_ap_params(): def hs20_ap_params():
params = hostapd.wpa2_params(ssid="test-gas") params = hostapd.wpa2_params(ssid="test-gas")
@ -357,6 +358,13 @@ def parse_gas(payload):
return None return None
gas['dialog_token'] = dialog_token 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
return gas return gas
def action_response(req): def action_response(req):
@ -645,3 +653,41 @@ def test_gas_unknown_adv_proto(dev, apdev):
status = res[4] status = res[4]
if status != "59": if status != "59":
raise Exception("Unexpected GAS-RESPONSE-INFO status") 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))