hostapd/tests/hwsim/test_radius.py
Jouni Malinen 55497a51a8 tests: Verify CoA-Request behavior
This version verifies that hostapd NAKs a valid request since
CoA-Request is not yet supported.

Signed-off-by: Jouni Malinen <j@w1.fi>
2014-02-15 22:03:06 +02:00

352 lines
15 KiB
Python

#!/usr/bin/python
#
# RADIUS tests
# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import logging
logger = logging.getLogger()
import time
import hostapd
def connect(dev, ssid, wait_connect=True):
dev.connect(ssid, key_mgmt="WPA-EAP", scan_freq="2412",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
wait_connect=wait_connect)
def test_radius_auth_unreachable(dev, apdev):
"""RADIUS Authentication server unreachable"""
params = hostapd.wpa2_eap_params(ssid="radius-auth")
params['auth_server_port'] = "18139"
hostapd.add_ap(apdev[0]['ifname'], params)
hapd = hostapd.Hostapd(apdev[0]['ifname'])
connect(dev[0], "radius-auth", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"])
if ev is None:
raise Exception("Timeout on EAP start")
logger.info("Checking for RADIUS retries")
time.sleep(4)
mib = hapd.get_mib()
if "radiusAuthClientAccessRequests" not in mib:
raise Exception("Missing MIB fields")
if int(mib["radiusAuthClientAccessRetransmissions"]) < 1:
raise Exception("Missing RADIUS Authentication retransmission")
if int(mib["radiusAuthClientPendingRequests"]) < 1:
raise Exception("Missing pending RADIUS Authentication request")
def test_radius_acct_unreachable(dev, apdev):
"""RADIUS Accounting server unreachable"""
params = hostapd.wpa2_eap_params(ssid="radius-acct")
params['acct_server_addr'] = "127.0.0.1"
params['acct_server_port'] = "18139"
params['acct_server_shared_secret'] = "radius"
hostapd.add_ap(apdev[0]['ifname'], params)
hapd = hostapd.Hostapd(apdev[0]['ifname'])
connect(dev[0], "radius-acct")
logger.info("Checking for RADIUS retries")
time.sleep(4)
mib = hapd.get_mib()
if "radiusAccClientRetransmissions" not in mib:
raise Exception("Missing MIB fields")
if int(mib["radiusAccClientRetransmissions"]) < 2:
raise Exception("Missing RADIUS Accounting retransmissions")
if int(mib["radiusAccClientPendingRequests"]) < 2:
raise Exception("Missing pending RADIUS Accounting requests")
def test_radius_acct(dev, apdev):
"""RADIUS Accounting"""
as_hapd = hostapd.Hostapd("as")
as_mib_start = as_hapd.get_mib(param="radius_server")
params = hostapd.wpa2_eap_params(ssid="radius-acct")
params['acct_server_addr'] = "127.0.0.1"
params['acct_server_port'] = "1813"
params['acct_server_shared_secret'] = "radius"
hostapd.add_ap(apdev[0]['ifname'], params)
hapd = hostapd.Hostapd(apdev[0]['ifname'])
connect(dev[0], "radius-acct")
logger.info("Checking for RADIUS counters")
count = 0
while True:
mib = hapd.get_mib()
if int(mib['radiusAccClientResponses']) >= 2:
break
time.sleep(0.1)
count += 1
if count > 10:
raise Exception("Did not receive Accounting-Response packets")
if int(mib['radiusAccClientRetransmissions']) > 0:
raise Exception("Unexpected Accounting-Request retransmission")
as_mib_end = as_hapd.get_mib(param="radius_server")
req_s = int(as_mib_start['radiusAccServTotalRequests'])
req_e = int(as_mib_end['radiusAccServTotalRequests'])
if req_e < req_s + 2:
raise Exception("Unexpected RADIUS server acct MIB value")
acc_s = int(as_mib_start['radiusAuthServAccessAccepts'])
acc_e = int(as_mib_end['radiusAuthServAccessAccepts'])
if acc_e < acc_s + 1:
raise Exception("Unexpected RADIUS server auth MIB value")
def test_radius_das_disconnect(dev, apdev):
"""RADIUS Dynamic Authorization Extensions - Disconnect"""
try:
import pyrad.client
import pyrad.packet
import pyrad.dictionary
import radius_das
except ImportError:
return "skip"
params = hostapd.wpa2_eap_params(ssid="radius-das")
params['radius_das_port'] = "3799"
params['radius_das_client'] = "127.0.0.1 secret"
params['radius_das_require_event_timestamp'] = "1"
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
connect(dev[0], "radius-das")
addr = dev[0].p2p_interface_addr()
sta = hapd.get_sta(addr)
id = sta['dot1xAuthSessionId']
dict = pyrad.dictionary.Dictionary("dictionary.radius")
srv = pyrad.client.Client(server="127.0.0.1", acctport=3799,
secret="secret", dict=dict)
srv.retries = 1
srv.timeout = 1
logger.info("Disconnect-Request with incorrect secret")
req = radius_das.DisconnectPacket(dict=dict, secret="incorrect",
User_Name="foo",
NAS_Identifier="localhost",
Event_Timestamp=int(time.time()))
logger.debug(req)
try:
reply = srv.SendPacket(req)
raise Exception("Unexpected response to Disconnect-Request")
except pyrad.client.Timeout:
logger.info("Disconnect-Request with incorrect secret properly ignored")
logger.info("Disconnect-Request without Event-Timestamp")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
User_Name="psk.user@example.com")
logger.debug(req)
try:
reply = srv.SendPacket(req)
raise Exception("Unexpected response to Disconnect-Request")
except pyrad.client.Timeout:
logger.info("Disconnect-Request without Event-Timestamp properly ignored")
logger.info("Disconnect-Request with non-matching Event-Timestamp")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
User_Name="psk.user@example.com",
Event_Timestamp=123456789)
logger.debug(req)
try:
reply = srv.SendPacket(req)
raise Exception("Unexpected response to Disconnect-Request")
except pyrad.client.Timeout:
logger.info("Disconnect-Request with non-matching Event-Timestamp properly ignored")
logger.info("Disconnect-Request with unsupported attribute")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
User_Name="foo",
User_Password="foo",
Event_Timestamp=int(time.time()))
reply = srv.SendPacket(req)
logger.debug("RADIUS response from hostapd")
for i in reply.keys():
logger.debug("%s: %s" % (i, reply[i]))
if reply.code != pyrad.packet.DisconnectNAK:
raise Exception("Unexpected response code")
if 'Error-Cause' not in reply:
raise Exception("Missing Error-Cause")
if reply['Error-Cause'][0] != 401:
raise Exception("Unexpected Error-Cause: {}".format(reply['Error-Cause']))
logger.info("Disconnect-Request with invalid Calling-Station-Id")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
User_Name="foo",
Calling_Station_Id="foo",
Event_Timestamp=int(time.time()))
reply = srv.SendPacket(req)
logger.debug("RADIUS response from hostapd")
for i in reply.keys():
logger.debug("%s: %s" % (i, reply[i]))
if reply.code != pyrad.packet.DisconnectNAK:
raise Exception("Unexpected response code")
if 'Error-Cause' not in reply:
raise Exception("Missing Error-Cause")
if reply['Error-Cause'][0] != 407:
raise Exception("Unexpected Error-Cause: {}".format(reply['Error-Cause']))
logger.info("Disconnect-Request with mismatching User-Name")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
User_Name="foo",
Event_Timestamp=int(time.time()))
reply = srv.SendPacket(req)
logger.debug("RADIUS response from hostapd")
for i in reply.keys():
logger.debug("%s: %s" % (i, reply[i]))
if reply.code != pyrad.packet.DisconnectNAK:
raise Exception("Unexpected response code")
if 'Error-Cause' not in reply:
raise Exception("Missing Error-Cause")
if reply['Error-Cause'][0] != 503:
raise Exception("Unexpected Error-Cause: {}".format(reply['Error-Cause']))
logger.info("Disconnect-Request with mismatching Calling-Station-Id")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
Calling_Station_Id="12:34:56:78:90:aa",
Event_Timestamp=int(time.time()))
reply = srv.SendPacket(req)
logger.debug("RADIUS response from hostapd")
for i in reply.keys():
logger.debug("%s: %s" % (i, reply[i]))
if reply.code != pyrad.packet.DisconnectNAK:
raise Exception("Unexpected response code")
if 'Error-Cause' not in reply:
raise Exception("Missing Error-Cause")
if reply['Error-Cause'][0] != 503:
raise Exception("Unexpected Error-Cause: {}".format(reply['Error-Cause']))
logger.info("Disconnect-Request with mismatching Acct-Session-Id")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
Acct_Session_Id="12345678-87654321",
Event_Timestamp=int(time.time()))
reply = srv.SendPacket(req)
logger.debug("RADIUS response from hostapd")
for i in reply.keys():
logger.debug("%s: %s" % (i, reply[i]))
if reply.code != pyrad.packet.DisconnectNAK:
raise Exception("Unexpected response code")
if 'Error-Cause' not in reply:
raise Exception("Missing Error-Cause")
if reply['Error-Cause'][0] != 503:
raise Exception("Unexpected Error-Cause: {}".format(reply['Error-Cause']))
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected disconnection")
logger.info("Disconnect-Request with matching Acct-Session-Id")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
Acct_Session_Id=id,
Event_Timestamp=int(time.time()))
reply = srv.SendPacket(req)
logger.debug("RADIUS response from hostapd")
for i in reply.keys():
logger.debug("%s: %s" % (i, reply[i]))
if reply.code != pyrad.packet.DisconnectACK:
raise Exception("Unexpected response code")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"])
if ev is None:
raise Exception("Timeout while waiting for disconnection")
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"])
if ev is None:
raise Exception("Timeout while waiting for re-connection")
logger.info("Disconnect-Request with matching User-Name")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
User_Name="psk.user@example.com",
Event_Timestamp=int(time.time()))
reply = srv.SendPacket(req)
logger.debug("RADIUS response from hostapd")
for i in reply.keys():
logger.debug("%s: %s" % (i, reply[i]))
if reply.code != pyrad.packet.DisconnectACK:
raise Exception("Unexpected response code")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"])
if ev is None:
raise Exception("Timeout while waiting for disconnection")
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"])
if ev is None:
raise Exception("Timeout while waiting for re-connection")
logger.info("Disconnect-Request with matching Calling-Station-Id")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
Calling_Station_Id=addr,
Event_Timestamp=int(time.time()))
reply = srv.SendPacket(req)
logger.debug("RADIUS response from hostapd")
for i in reply.keys():
logger.debug("%s: %s" % (i, reply[i]))
if reply.code != pyrad.packet.DisconnectACK:
raise Exception("Unexpected response code")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"])
if ev is None:
raise Exception("Timeout while waiting for disconnection")
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"])
if ev is None:
raise Exception("Timeout while waiting for re-connection")
logger.info("Disconnect-Request with matching Calling-Station-Id and non-matching CUI")
req = radius_das.DisconnectPacket(dict=dict, secret="secret",
Calling_Station_Id=addr,
Chargeable_User_Identity="foo@example.com",
Event_Timestamp=int(time.time()))
reply = srv.SendPacket(req)
logger.debug("RADIUS response from hostapd")
for i in reply.keys():
logger.debug("%s: %s" % (i, reply[i]))
if reply.code != pyrad.packet.DisconnectACK:
raise Exception("Unexpected response code")
ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"])
if ev is None:
raise Exception("Timeout while waiting for disconnection")
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"])
if ev is None:
raise Exception("Timeout while waiting for re-connection")
def test_radius_das_coa(dev, apdev):
"""RADIUS Dynamic Authorization Extensions - CoA"""
try:
import pyrad.client
import pyrad.packet
import pyrad.dictionary
import radius_das
except ImportError:
return "skip"
params = hostapd.wpa2_eap_params(ssid="radius-das")
params['radius_das_port'] = "3799"
params['radius_das_client'] = "127.0.0.1 secret"
params['radius_das_require_event_timestamp'] = "1"
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
connect(dev[0], "radius-das")
addr = dev[0].p2p_interface_addr()
sta = hapd.get_sta(addr)
id = sta['dot1xAuthSessionId']
dict = pyrad.dictionary.Dictionary("dictionary.radius")
srv = pyrad.client.Client(server="127.0.0.1", acctport=3799,
secret="secret", dict=dict)
srv.retries = 1
srv.timeout = 1
# hostapd does not currently support CoA-Request, so NAK is expected
logger.info("CoA-Request with matching Acct-Session-Id")
req = radius_das.CoAPacket(dict=dict, secret="secret",
Acct_Session_Id=id,
Event_Timestamp=int(time.time()))
reply = srv.SendPacket(req)
logger.debug("RADIUS response from hostapd")
for i in reply.keys():
logger.debug("%s: %s" % (i, reply[i]))
if reply.code != pyrad.packet.CoANAK:
raise Exception("Unexpected response code")
if 'Error-Cause' not in reply:
raise Exception("Missing Error-Cause")
if reply['Error-Cause'][0] != 405:
raise Exception("Unexpected Error-Cause: {}".format(reply['Error-Cause']))