mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-12-01 11:48:23 -05:00
401 lines
15 KiB
Python
401 lines
15 KiB
Python
# Test cases for wpa_supplicant WMM-AC operations
|
|
# Copyright (c) 2014, Intel Corporation
|
|
#
|
|
# This software may be distributed under the terms of the BSD license.
|
|
# See README for more details.
|
|
|
|
from remotehost import remote_compatible
|
|
import logging
|
|
logger = logging.getLogger()
|
|
import struct
|
|
import sys
|
|
|
|
import hwsim_utils
|
|
import hostapd
|
|
from utils import fail_test
|
|
|
|
def add_wmm_ap(apdev, acm_list):
|
|
params = {"ssid": "wmm_ac",
|
|
"hw_mode": "g",
|
|
"channel": "11",
|
|
"wmm_enabled": "1"}
|
|
|
|
for ac in acm_list:
|
|
params["wmm_ac_%s_acm" % (ac.lower())] = "1"
|
|
|
|
return hostapd.add_ap(apdev, params)
|
|
|
|
def test_tspec(dev, apdev):
|
|
"""Basic addts/delts tests"""
|
|
# configure ap with VO and VI requiring admission-control
|
|
hapd = add_wmm_ap(apdev[0], ["VO", "VI"])
|
|
dev[0].connect("wmm_ac", key_mgmt="NONE", scan_freq="2462")
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
status = dev[0].request("WMM_AC_STATUS")
|
|
if "WMM AC is Enabled" not in status:
|
|
raise Exception("WMM-AC not enabled")
|
|
if "TSID" in status:
|
|
raise Exception("Unexpected TSID info")
|
|
if "BK: acm=0 uapsd=0" not in status:
|
|
raise Exception("Unexpected BK info" + status)
|
|
if "BE: acm=0 uapsd=0" not in status:
|
|
raise Exception("Unexpected BE info" + status)
|
|
if "VI: acm=1 uapsd=0" not in status:
|
|
raise Exception("Unexpected VI info" + status)
|
|
if "VO: acm=1 uapsd=0" not in status:
|
|
raise Exception("Unexpected VO info" + status)
|
|
|
|
# no tsid --> tsid out of range
|
|
if "FAIL" not in dev[0].request("WMM_AC_ADDTS downlink"):
|
|
raise Exception("Invalid WMM_AC_ADDTS accepted")
|
|
# no direction
|
|
if "FAIL" not in dev[0].request("WMM_AC_ADDTS tsid=5"):
|
|
raise Exception("Invalid WMM_AC_ADDTS accepted")
|
|
# param out of range
|
|
if "FAIL" not in dev[0].request("WMM_AC_ADDTS tsid=5 downlink"):
|
|
raise Exception("Invalid WMM_AC_ADDTS accepted")
|
|
|
|
tsid = 5
|
|
|
|
# make sure we fail when the ac is not configured for acm
|
|
try:
|
|
dev[0].add_ts(tsid, 3)
|
|
raise Exception("ADDTS succeeded although it should have failed")
|
|
except Exception as e:
|
|
if not str(e).startswith("ADDTS failed"):
|
|
raise
|
|
status = dev[0].request("WMM_AC_STATUS")
|
|
if "TSID" in status:
|
|
raise Exception("Unexpected TSID info")
|
|
|
|
# add tspec for UP=6
|
|
dev[0].add_ts(tsid, 6)
|
|
status = dev[0].request("WMM_AC_STATUS")
|
|
if "TSID" not in status:
|
|
raise Exception("Missing TSID info")
|
|
|
|
# using the same tsid for a different ac is invalid
|
|
try:
|
|
dev[0].add_ts(tsid, 5)
|
|
raise Exception("ADDTS succeeded although it should have failed")
|
|
except Exception as e:
|
|
if not str(e).startswith("ADDTS failed"):
|
|
raise
|
|
|
|
# update the tspec for a different UP of the same ac
|
|
dev[0].add_ts(tsid, 7, extra="fixed_nominal_msdu")
|
|
dev[0].del_ts(tsid)
|
|
status = dev[0].request("WMM_AC_STATUS")
|
|
if "TSID" in status:
|
|
raise Exception("Unexpected TSID info")
|
|
|
|
# verify failure on uplink/bidi without driver support
|
|
tsid = 6
|
|
try:
|
|
dev[0].add_ts(tsid, 7, direction="uplink")
|
|
raise Exception("ADDTS succeeded although it should have failed")
|
|
except Exception as e:
|
|
if not str(e).startswith("ADDTS failed"):
|
|
raise
|
|
try:
|
|
dev[0].add_ts(tsid, 7, direction="bidi")
|
|
raise Exception("ADDTS succeeded although it should have failed")
|
|
except Exception as e:
|
|
if not str(e).startswith("ADDTS failed"):
|
|
raise
|
|
|
|
# attempt to delete non-existing tsid
|
|
try:
|
|
dev[0].del_ts(tsid)
|
|
raise Exception("DELTS succeeded although it should have failed")
|
|
except Exception as e:
|
|
if not str(e).startswith("DELTS failed"):
|
|
raise
|
|
|
|
# "CTRL: Invalid WMM_AC_ADDTS parameter: 'foo'
|
|
if "FAIL" not in dev[0].request("WMM_AC_ADDTS foo"):
|
|
raise Exception("Invalid WMM_AC_ADDTS command accepted")
|
|
|
|
def test_tspec_protocol(dev, apdev):
|
|
"""Protocol tests for addts/delts"""
|
|
# configure ap with VO and VI requiring admission-control
|
|
hapd = add_wmm_ap(apdev[0], ["VO", "VI"])
|
|
dev[0].connect("wmm_ac", key_mgmt="NONE", scan_freq="2462")
|
|
|
|
dev[0].dump_monitor()
|
|
hapd.set("ext_mgmt_frame_handling", "1")
|
|
|
|
tsid = 6
|
|
|
|
# timeout on ADDTS response
|
|
dev[0].add_ts(tsid, 7, expect_failure=True)
|
|
|
|
hapd.dump_monitor()
|
|
req = "WMM_AC_ADDTS downlink tsid=6 up=7 nominal_msdu_size=1500 sba=9000 mean_data_rate=1500 min_phy_rate=6000000"
|
|
if "OK" not in dev[0].request(req):
|
|
raise Exception("WMM_AC_ADDTS failed")
|
|
# a new request while previous is still pending
|
|
if "FAIL" not in dev[0].request(req):
|
|
raise Exception("WMM_AC_ADDTS accepted while oen was still pending")
|
|
msg = hapd.mgmt_rx()
|
|
payload = msg['payload']
|
|
(categ, action, dialog, status) = struct.unpack('BBBB', payload[0:4])
|
|
if action != 0:
|
|
raise Exception("Unexpected Action code: %d" % action)
|
|
|
|
msg['da'] = msg['sa']
|
|
msg['sa'] = apdev[0]['bssid']
|
|
|
|
# unexpected dialog token
|
|
msg['payload'] = struct.pack('BBBB', 17, 1, (dialog + 1) & 0xff, 0) + payload[4:]
|
|
hapd.mgmt_tx(msg)
|
|
|
|
# valid response
|
|
msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 0) + payload[4:]
|
|
hapd.mgmt_tx(msg)
|
|
ev = dev[0].wait_event(["TSPEC-ADDED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Timeout on TSPEC-ADDED")
|
|
if "tsid=%d" % tsid not in ev:
|
|
raise Exception("Unexpected TSPEC-ADDED contents: " + ev)
|
|
|
|
# duplicated response
|
|
msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 0) + payload[4:]
|
|
hapd.mgmt_tx(msg)
|
|
|
|
# too short ADDTS
|
|
msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 0)
|
|
hapd.mgmt_tx(msg)
|
|
|
|
# invalid IE
|
|
msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 0) + payload[4:] + struct.pack('BB', 0xdd, 100)
|
|
hapd.mgmt_tx(msg)
|
|
|
|
# too short WMM element
|
|
msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 0) + payload[4:] + b'\xdd\x06\x00\x50\xf2\x02\x02\x01'
|
|
hapd.mgmt_tx(msg)
|
|
|
|
# DELTS
|
|
dev[0].dump_monitor()
|
|
msg['payload'] = struct.pack('BBBB', 17, 2, 0, 0) + payload[4:]
|
|
hapd.mgmt_tx(msg)
|
|
ev = dev[0].wait_event(['TSPEC-REMOVED'], timeout=6)
|
|
if ev is None:
|
|
raise Exception("Timeout on TSPEC-REMOVED event")
|
|
if "tsid=%d" % tsid not in ev:
|
|
raise Exception("Unexpected TSPEC-REMOVED contents: " + ev)
|
|
# DELTS duplicated
|
|
msg['payload'] = struct.pack('BBBB', 17, 2, 0, 0) + payload[4:]
|
|
hapd.mgmt_tx(msg)
|
|
|
|
# start a new request
|
|
hapd.dump_monitor()
|
|
if "OK" not in dev[0].request(req):
|
|
raise Exception("WMM_AC_ADDTS failed")
|
|
msg = hapd.mgmt_rx()
|
|
payload = msg['payload']
|
|
(categ, action, dialog, status) = struct.unpack('BBBB', payload[0:4])
|
|
if action != 0:
|
|
raise Exception("Unexpected Action code: %d" % action)
|
|
|
|
msg['da'] = msg['sa']
|
|
msg['sa'] = apdev[0]['bssid']
|
|
|
|
# modified parameters
|
|
p12int = payload[12] if sys.version_info[0] > 2 else ord(payload[12])
|
|
msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 1) + payload[4:12] + struct.pack('B', p12int & ~0x60) + payload[13:]
|
|
hapd.mgmt_tx(msg)
|
|
|
|
# reject request
|
|
msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 1) + payload[4:]
|
|
hapd.mgmt_tx(msg)
|
|
ev = dev[0].wait_event(["TSPEC-REQ-FAILED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Timeout on TSPEC-REQ-FAILED")
|
|
if "tsid=%d" % tsid not in ev:
|
|
raise Exception("Unexpected TSPEC-REQ-FAILED contents: " + ev)
|
|
|
|
hapd.set("ext_mgmt_frame_handling", "0")
|
|
|
|
@remote_compatible
|
|
def test_tspec_not_enabled(dev, apdev):
|
|
"""addts failing if AP does not support WMM"""
|
|
params = {"ssid": "wmm_no_ac",
|
|
"hw_mode": "g",
|
|
"channel": "11",
|
|
"wmm_enabled": "0"}
|
|
hapd = hostapd.add_ap(apdev[0], params)
|
|
dev[0].connect("wmm_no_ac", key_mgmt="NONE", scan_freq="2462")
|
|
status = dev[0].request("WMM_AC_STATUS")
|
|
if "Not associated to a WMM AP, WMM AC is Disabled" not in status:
|
|
raise Exception("Unexpected WMM_AC_STATUS: " + status)
|
|
|
|
try:
|
|
dev[0].add_ts(5, 6)
|
|
raise Exception("ADDTS succeeded although it should have failed")
|
|
except Exception as e:
|
|
if not str(e).startswith("ADDTS failed"):
|
|
raise
|
|
|
|
# attempt to delete non-existing tsid
|
|
try:
|
|
dev[0].del_ts(5)
|
|
raise Exception("DELTS succeeded although it should have failed")
|
|
except Exception as e:
|
|
if not str(e).startswith("DELTS failed"):
|
|
raise
|
|
|
|
# unexpected Action frame when WMM is disabled
|
|
MGMT_SUBTYPE_ACTION = 13
|
|
msg = {}
|
|
msg['fc'] = MGMT_SUBTYPE_ACTION << 4
|
|
msg['da'] = dev[0].p2p_interface_addr()
|
|
msg['sa'] = apdev[0]['bssid']
|
|
msg['bssid'] = apdev[0]['bssid']
|
|
msg['payload'] = struct.pack('BBBB', 17, 2, 0, 0)
|
|
hapd.mgmt_tx(msg)
|
|
|
|
@remote_compatible
|
|
def test_tspec_ap_roam_open(dev, apdev):
|
|
"""Roam between two open APs while having tspecs"""
|
|
hapd0 = add_wmm_ap(apdev[0], ["VO", "VI"])
|
|
dev[0].connect("wmm_ac", key_mgmt="NONE")
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
dev[0].add_ts(5, 6)
|
|
|
|
hapd1 = add_wmm_ap(apdev[1], ["VO", "VI"])
|
|
dev[0].scan_for_bss(apdev[1]['bssid'], freq=2462)
|
|
dev[0].roam(apdev[1]['bssid'])
|
|
hwsim_utils.test_connectivity(dev[0], hapd1)
|
|
if dev[0].tspecs():
|
|
raise Exception("TSPECs weren't deleted on roaming")
|
|
|
|
dev[0].scan_for_bss(apdev[0]['bssid'], freq=2462)
|
|
dev[0].roam(apdev[0]['bssid'])
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
|
|
@remote_compatible
|
|
def test_tspec_reassoc(dev, apdev):
|
|
"""Reassociation to same BSS while having tspecs"""
|
|
hapd0 = add_wmm_ap(apdev[0], ["VO", "VI"])
|
|
dev[0].connect("wmm_ac", key_mgmt="NONE")
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
dev[0].add_ts(5, 6)
|
|
last_tspecs = dev[0].tspecs()
|
|
|
|
dev[0].request("REASSOCIATE")
|
|
dev[0].wait_connected()
|
|
|
|
hwsim_utils.test_connectivity(dev[0], hapd0)
|
|
if dev[0].tspecs() != last_tspecs:
|
|
raise Exception("TSPECs weren't saved on reassociation")
|
|
|
|
def test_wmm_element(dev, apdev):
|
|
"""hostapd FTM range request timeout"""
|
|
try:
|
|
run_wmm_element(dev, apdev)
|
|
finally:
|
|
dev[0].request("VENDOR_ELEM_REMOVE 13 *")
|
|
|
|
def run_wmm_element(dev, apdev):
|
|
params = {"ssid": "wmm"}
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
|
|
bssid = hapd.own_addr()
|
|
|
|
# Too short WMM IE
|
|
dev[0].request("VENDOR_ELEM_ADD 13 dd060050f2020001")
|
|
dev[0].scan_for_bss(bssid, freq=2412)
|
|
dev[0].connect("wmm", key_mgmt="NONE", scan_freq="2412", wait_connect=False)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Association not rejected")
|
|
dev[0].request("REMOVE_NETWORK all")
|
|
|
|
# Unsupported WMM IE Subtype/Version
|
|
dev[0].request("VENDOR_ELEM_ADD 13 dd070050f202000000")
|
|
dev[0].connect("wmm", key_mgmt="NONE", scan_freq="2412", wait_connect=False)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Association not rejected")
|
|
dev[0].request("REMOVE_NETWORK all")
|
|
|
|
# Unsupported WMM IE Subtype/Version
|
|
dev[0].request("VENDOR_ELEM_ADD 13 dd070050f202010100")
|
|
dev[0].connect("wmm", key_mgmt="NONE", scan_freq="2412", wait_connect=False)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Association not rejected")
|
|
dev[0].request("REMOVE_NETWORK all")
|
|
|
|
def test_tspec_ap_fail(dev, apdev):
|
|
"""AP failing to send tspec response"""
|
|
# configure ap with VO and VI requiring admission-control
|
|
hapd = add_wmm_ap(apdev[0], ["VO", "VI"])
|
|
dev[0].connect("wmm_ac", key_mgmt="NONE", scan_freq="2462")
|
|
tsid = 5
|
|
|
|
with fail_test(hapd, 1, "wmm_send_action"):
|
|
try:
|
|
# add tspec for UP=6
|
|
dev[0].add_ts(tsid, 6)
|
|
except:
|
|
pass
|
|
|
|
def test_tspec_ap_parsing(dev, apdev):
|
|
"""TSPEC AP parsing tests"""
|
|
# configure ap with VO and VI requiring admission-control
|
|
hapd = add_wmm_ap(apdev[0], ["VO", "VI"])
|
|
bssid = hapd.own_addr()
|
|
dev[0].connect("wmm_ac", key_mgmt="NONE", scan_freq="2462")
|
|
addr = dev[0].own_addr()
|
|
|
|
tests = ["WMM_AC_ADDTS downlink tsid=5 up=6 nominal_msdu_size=1500 sba=9000 mean_data_rate=1500 min_phy_rate=600000",
|
|
"WMM_AC_ADDTS downlink tsid=5 up=6 nominal_msdu_size=1500 sba=8192 mean_data_rate=1500 min_phy_rate=6000000",
|
|
"WMM_AC_ADDTS downlink tsid=5 up=6 nominal_msdu_size=32767 sba=65535 mean_data_rate=1500 min_phy_rate=1000000",
|
|
"WMM_AC_ADDTS downlink tsid=5 up=6 nominal_msdu_size=10000 sba=65535 mean_data_rate=2147483647 min_phy_rate=1000000"]
|
|
for t in tests:
|
|
if "OK" not in dev[0].request(t):
|
|
raise Exception("WMM_AC_ADDTS failed")
|
|
ev = dev[0].wait_event(["TSPEC-REQ-FAILED"], timeout=1)
|
|
if ev is None:
|
|
raise Exception("No response")
|
|
|
|
tests = []
|
|
# WMM: Invalid Nominal MSDU Size (0)
|
|
tests += ["11000400dd3d0050f2020201aa300000000000000000000000000000000000000000000000000000000000ffffff7f00000000000000000000000040420f00ffff0000"]
|
|
# hostapd_wmm_action - missing or wrong length tspec
|
|
tests += ["11000400dd3e0050f2020201aa300010270000000000000000000000000000000000000000000000000000ffffff7f00000000000000000000000040420f00ffff000000"]
|
|
# hostapd_wmm_action - could not parse wmm action
|
|
tests += ["11000400dd3d0050f2020201aa300010270000000000000000000000000000000000000000000000000000ffffff7f00000000000000000000000040420f00ffff00"]
|
|
# valid form
|
|
tests += ["11000400dd3d0050f2020201aa300010270000000000000000000000000000000000000000000000000000ffffff7f00000000000000000000000040420f00ffff0000"]
|
|
|
|
hdr = "d0003a01" + bssid.replace(':', '') + addr.replace(':', '') + bssid.replace(':', '') + "1000"
|
|
hapd.set("ext_mgmt_frame_handling", "1")
|
|
for t in tests:
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr + t):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
|
|
hapd.set("ext_mgmt_frame_handling", "0")
|
|
|
|
def test_wmm_disabled(dev, apdev):
|
|
"""WMM disabled and unexpected TSPEC"""
|
|
params = {"ssid": "no-wmm", "ieee80211n": "0", "wmm_enabled": "0"}
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
|
|
bssid = hapd.own_addr()
|
|
dev[0].connect("no-wmm", key_mgmt="NONE", scan_freq="2412")
|
|
addr = dev[0].own_addr()
|
|
|
|
# wmm action received is not from associated wmm station
|
|
hdr = "d0003a01" + bssid.replace(':', '') + addr.replace(':', '') + bssid.replace(':', '') + "1000"
|
|
hapd.set("ext_mgmt_frame_handling", "1")
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr + "11000400dd3d0050f2020201aa300010270000000000000000000000000000000000000000000000000000ffffff7f00000000000000000000000040420f00ffff0000"):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
|
|
# IEEE 802.11: Ignored Action frame (category=17) from unassociated STA
|
|
hdr = "d0003a01" + bssid.replace(':', '') + "112233445566" + bssid.replace(':', '') + "1000"
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr + "11000400dd3d0050f2020201aa300010270000000000000000000000000000000000000000000000000000ffffff7f00000000000000000000000040420f00ffff0000"):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
|
|
hapd.set("ext_mgmt_frame_handling", "0")
|