#!/usr/bin/python # # RADIUS tests # Copyright (c) 2013-2014, Jouni Malinen # # 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']))