# RADIUS tests # Copyright (c) 2013-2016, Jouni Malinen # # This software may be distributed under the terms of the BSD license. # See README for more details. from remotehost import remote_compatible import binascii import hashlib import hmac import logging logger = logging.getLogger() import os import select import struct import subprocess import threading import time import hostapd from utils import * from test_ap_hs20 import build_dhcp_ack from test_ap_ft import ft_params1 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) @remote_compatible def test_radius_auth_unreachable(dev, apdev): """RADIUS Authentication server unreachable""" params = hostapd.wpa2_eap_params(ssid="radius-auth") params['auth_server_port'] = "18139" hapd = hostapd.add_ap(apdev[0], params) 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_auth_unreachable2(dev, apdev): """RADIUS Authentication server unreachable (2)""" subprocess.call(['ip', 'ro', 'replace', '192.168.213.17', 'dev', 'lo']) params = hostapd.wpa2_eap_params(ssid="radius-auth") params['auth_server_addr'] = "192.168.213.17" params['auth_server_port'] = "18139" hapd = hostapd.add_ap(apdev[0], params) subprocess.call(['ip', 'ro', 'del', '192.168.213.17', 'dev', 'lo']) 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") logger.info("radiusAuthClientAccessRetransmissions: " + mib["radiusAuthClientAccessRetransmissions"]) def test_radius_auth_unreachable3(dev, apdev): """RADIUS Authentication server initially unreachable, but then available""" subprocess.call(['ip', 'ro', 'replace', 'blackhole', '192.168.213.18']) params = hostapd.wpa2_eap_params(ssid="radius-auth") params['auth_server_addr'] = "192.168.213.18" hapd = hostapd.add_ap(apdev[0], params) 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") subprocess.call(['ip', 'ro', 'del', 'blackhole', '192.168.213.18']) time.sleep(0.1) dev[0].request("DISCONNECT") hapd.set('auth_server_addr_replace', '127.0.0.1') dev[0].request("RECONNECT") dev[0].wait_connected() 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" hapd = hostapd.add_ap(apdev[0], params) 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_unreachable2(dev, apdev): """RADIUS Accounting server unreachable(2)""" subprocess.call(['ip', 'ro', 'replace', '192.168.213.17', 'dev', 'lo']) params = hostapd.wpa2_eap_params(ssid="radius-acct") params['acct_server_addr'] = "192.168.213.17" params['acct_server_port'] = "18139" params['acct_server_shared_secret'] = "radius" hapd = hostapd.add_ap(apdev[0], params) subprocess.call(['ip', 'ro', 'del', '192.168.213.17', 'dev', 'lo']) connect(dev[0], "radius-acct") logger.info("Checking for RADIUS retries") found = False for i in range(4): time.sleep(1) mib = hapd.get_mib() if "radiusAccClientRetransmissions" not in mib: raise Exception("Missing MIB fields") if int(mib["radiusAccClientRetransmissions"]) > 0 or \ int(mib["radiusAccClientPendingRequests"]) > 0: found = True if not found: raise Exception("Missing pending or retransmitted RADIUS Accounting requests") def test_radius_acct_unreachable3(dev, apdev): """RADIUS Accounting server initially unreachable, but then available""" require_under_vm() subprocess.call(['ip', 'ro', 'replace', 'blackhole', '192.168.213.18']) 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'] = "192.168.213.18" params['acct_server_port'] = "1813" params['acct_server_shared_secret'] = "radius" hapd = hostapd.add_ap(apdev[0], params) connect(dev[0], "radius-acct") subprocess.call(['ip', 'ro', 'del', 'blackhole', '192.168.213.18']) time.sleep(0.1) dev[0].request("DISCONNECT") hapd.set('acct_server_addr_replace', '127.0.0.1') dev[0].request("RECONNECT") dev[0].wait_connected() time.sleep(1) as_mib_end = as_hapd.get_mib(param="radius_server") req_s = int(as_mib_start['radiusAccServTotalResponses']) req_e = int(as_mib_end['radiusAccServTotalResponses']) if req_e <= req_s: raise Exception("Unexpected RADIUS server acct MIB value") def test_radius_acct_unreachable4(dev, apdev): """RADIUS Accounting server unreachable and multiple STAs""" 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" hapd = hostapd.add_ap(apdev[0], params) for i in range(20): connect(dev[0], "radius-acct") dev[0].request("REMOVE_NETWORK all") dev[0].wait_disconnected() 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" params['radius_auth_req_attr'] = ["126:s:Operator", "77:s:testing", "62:d:1"] params['radius_acct_req_attr'] = ["126:s:Operator", "62:d:1", "77:s:testing"] hapd = hostapd.add_ap(apdev[0], params) connect(dev[0], "radius-acct") dev[1].connect("radius-acct", key_mgmt="WPA-EAP", scan_freq="2412", eap="PAX", identity="test-class", password_hex="0123456789abcdef0123456789abcdef") dev[2].connect("radius-acct", key_mgmt="WPA-EAP", eap="GPSK", identity="gpsk-cui", password="abcdefghijklmnop0123456789abcdef", scan_freq="2412") logger.info("Checking for RADIUS counters") count = 0 while True: mib = hapd.get_mib() if int(mib['radiusAccClientResponses']) >= 3: 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_req_attr(dev, apdev, params): """RADIUS request attributes""" try: import sqlite3 except ImportError: raise HwsimSkip("No sqlite3 module available") db = os.path.join(params['logdir'], "radius_req_attr.sqlite") as_hapd = hostapd.Hostapd("as") params = hostapd.wpa2_eap_params(ssid="radius-req-attr") params['acct_server_addr'] = "127.0.0.1" params['acct_server_port'] = "1813" params['acct_server_shared_secret'] = "radius" params['radius_auth_req_attr'] = ["126:s:Operator"] params['radius_acct_req_attr'] = ["126:s:Operator"] params['radius_req_attr_sqlite'] = db hapd = hostapd.add_ap(apdev[0], params) with sqlite3.connect(db) as conn: sql = "INSERT INTO radius_attributes(sta,reqtype,attr) VALUES (?,?,?)" for e in [(dev[0].own_addr(), "auth", "77:s:conn-info-0"), (dev[1].own_addr(), "auth", "77:s:conn-info-1"), (dev[1].own_addr(), "auth", "77:s:conn-info-1a"), (dev[1].own_addr(), "acct", "77:s:conn-info-1b")]: conn.execute(sql, e) conn.commit() connect(dev[0], "radius-req-attr") connect(dev[1], "radius-req-attr") connect(dev[2], "radius-req-attr") def test_radius_acct_non_ascii_ssid(dev, apdev): """RADIUS Accounting and non-ASCII SSID""" params = hostapd.wpa2_eap_params() params['acct_server_addr'] = "127.0.0.1" params['acct_server_port'] = "1813" params['acct_server_shared_secret'] = "radius" ssid2 = "740665007374" params['ssid2'] = ssid2 hostapd.add_ap(apdev[0], params) dev[0].connect(ssid2=ssid2, key_mgmt="WPA-EAP", scan_freq="2412", eap="PSK", identity="psk.user@example.com", password_hex="0123456789abcdef0123456789abcdef") def test_radius_acct_pmksa_caching(dev, apdev): """RADIUS Accounting with PMKSA caching""" 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" hapd = hostapd.add_ap(apdev[0], params) connect(dev[0], "radius-acct") dev[1].connect("radius-acct", key_mgmt="WPA-EAP", scan_freq="2412", eap="PAX", identity="test-class", password_hex="0123456789abcdef0123456789abcdef") for d in [dev[0], dev[1]]: d.request("REASSOCIATE") d.wait_connected(timeout=15, error="Reassociation timed out") count = 0 while True: mib = hapd.get_mib() if int(mib['radiusAccClientResponses']) >= 4: 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_acct_interim(dev, apdev): """RADIUS Accounting interim update""" as_hapd = hostapd.Hostapd("as") 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" params['radius_acct_interim_interval'] = "1" hapd = hostapd.add_ap(apdev[0], params) connect(dev[0], "radius-acct") logger.info("Checking for RADIUS counters") as_mib_start = as_hapd.get_mib(param="radius_server") time.sleep(4.1) 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 + 3: raise Exception("Unexpected RADIUS server acct MIB value (req_e=%d req_s=%d)" % (req_e, req_s)) def test_radius_acct_interim_unreachable(dev, apdev): """RADIUS Accounting interim update with unreachable server""" 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" params['radius_acct_interim_interval'] = "1" hapd = hostapd.add_ap(apdev[0], params) start = hapd.get_mib() connect(dev[0], "radius-acct") logger.info("Waiting for interium accounting updates") time.sleep(3.1) end = hapd.get_mib() req_s = int(start['radiusAccClientTimeouts']) req_e = int(end['radiusAccClientTimeouts']) if req_e < req_s + 2: raise Exception("Unexpected RADIUS server acct MIB value") def test_radius_acct_interim_unreachable2(dev, apdev): """RADIUS Accounting interim update with unreachable server (retry)""" 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" # Use long enough interim update interval to allow RADIUS retransmission # case (3 seconds) to trigger first. params['radius_acct_interim_interval'] = "4" hapd = hostapd.add_ap(apdev[0], params) start = hapd.get_mib() connect(dev[0], "radius-acct") logger.info("Waiting for interium accounting updates") time.sleep(7.5) end = hapd.get_mib() req_s = int(start['radiusAccClientTimeouts']) req_e = int(end['radiusAccClientTimeouts']) if req_e < req_s + 2: raise Exception("Unexpected RADIUS server acct MIB value") def test_radius_acct_ipaddr(dev, apdev): """RADIUS Accounting and Framed-IP-Address""" try: _test_radius_acct_ipaddr(dev, apdev) finally: subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'down'], stderr=open('/dev/null', 'w')) subprocess.call(['brctl', 'delbr', 'ap-br0'], stderr=open('/dev/null', 'w')) def _test_radius_acct_ipaddr(dev, apdev): params = {"ssid": "radius-acct-open", 'acct_server_addr': "127.0.0.1", 'acct_server_port': "1813", 'acct_server_shared_secret': "radius", 'proxy_arp': '1', 'ap_isolate': '1', 'bridge': 'ap-br0'} hapd = hostapd.add_ap(apdev[0], params, no_enable=True) try: hapd.enable() except: # For now, do not report failures due to missing kernel support raise HwsimSkip("Could not start hostapd - assume proxyarp not supported in kernel version") bssid = apdev[0]['bssid'] subprocess.call(['brctl', 'setfd', 'ap-br0', '0']) subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'up']) dev[0].connect("radius-acct-open", key_mgmt="NONE", scan_freq="2412") addr0 = dev[0].own_addr() pkt = build_dhcp_ack(dst_ll="ff:ff:ff:ff:ff:ff", src_ll=bssid, ip_src="192.168.1.1", ip_dst="255.255.255.255", yiaddr="192.168.1.123", chaddr=addr0) if "OK" not in hapd.request("DATA_TEST_FRAME ifname=ap-br0 " + binascii.hexlify(pkt).decode()): raise Exception("DATA_TEST_FRAME failed") dev[0].request("DISCONNECT") dev[0].wait_disconnected() hapd.disable() def send_and_check_reply(srv, req, code, error_cause=0): reply = srv.SendPacket(req) logger.debug("RADIUS response from hostapd") for i in list(reply.keys()): logger.debug("%s: %s" % (i, reply[i])) if reply.code != code: raise Exception("Unexpected response code") if error_cause: if 'Error-Cause' not in reply: raise Exception("Missing Error-Cause") if reply['Error-Cause'][0] != error_cause: raise Exception("Unexpected Error-Cause: {}".format(reply['Error-Cause'])) def test_radius_acct_psk(dev, apdev): """RADIUS Accounting - PSK""" as_hapd = hostapd.Hostapd("as") params = hostapd.wpa2_params(ssid="radius-acct", passphrase="12345678") params['acct_server_addr'] = "127.0.0.1" params['acct_server_port'] = "1813" params['acct_server_shared_secret'] = "radius" hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("radius-acct", psk="12345678", scan_freq="2412") def test_radius_acct_psk_sha256(dev, apdev): """RADIUS Accounting - PSK SHA256""" as_hapd = hostapd.Hostapd("as") params = hostapd.wpa2_params(ssid="radius-acct", passphrase="12345678") params["wpa_key_mgmt"] = "WPA-PSK-SHA256" params['acct_server_addr'] = "127.0.0.1" params['acct_server_port'] = "1813" params['acct_server_shared_secret'] = "radius" hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("radius-acct", key_mgmt="WPA-PSK-SHA256", psk="12345678", scan_freq="2412") def test_radius_acct_ft_psk(dev, apdev): """RADIUS Accounting - FT-PSK""" as_hapd = hostapd.Hostapd("as") params = ft_params1(ssid="radius-acct", passphrase="12345678") params['acct_server_addr'] = "127.0.0.1" params['acct_server_port'] = "1813" params['acct_server_shared_secret'] = "radius" hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("radius-acct", key_mgmt="FT-PSK", psk="12345678", scan_freq="2412") def test_radius_acct_ieee8021x(dev, apdev): """RADIUS Accounting - IEEE 802.1X""" check_wep_capa(dev[0]) skip_with_fips(dev[0]) as_hapd = hostapd.Hostapd("as") params = hostapd.radius_params() params["ssid"] = "radius-acct-1x" params["ieee8021x"] = "1" params["wep_key_len_broadcast"] = "13" params["wep_key_len_unicast"] = "13" params['acct_server_addr'] = "127.0.0.1" params['acct_server_port'] = "1813" params['acct_server_shared_secret'] = "radius" hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("radius-acct-1x", key_mgmt="IEEE8021X", eap="PSK", identity="psk.user@example.com", password_hex="0123456789abcdef0123456789abcdef", scan_freq="2412") 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: raise HwsimSkip("No pyrad modules available") 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" params['own_ip_addr'] = "127.0.0.1" params['nas_identifier'] = "nas.example.com" hapd = hostapd.add_ap(apdev[0], 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=b"secret", dict=dict) srv.retries = 1 srv.timeout = 1 logger.info("Disconnect-Request with incorrect secret") req = radius_das.DisconnectPacket(dict=dict, secret=b"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=b"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=b"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=b"secret", User_Name="foo", User_Password="foo", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 401) logger.info("Disconnect-Request with invalid Calling-Station-Id") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", User_Name="foo", Calling_Station_Id="foo", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 407) logger.info("Disconnect-Request with mismatching User-Name") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", User_Name="foo", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 503) logger.info("Disconnect-Request with mismatching Calling-Station-Id") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", Calling_Station_Id="12:34:56:78:90:aa", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 503) logger.info("Disconnect-Request with mismatching Acct-Session-Id") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", Acct_Session_Id="12345678-87654321", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 503) logger.info("Disconnect-Request with mismatching Acct-Session-Id (len)") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", Acct_Session_Id="12345678", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 503) logger.info("Disconnect-Request with mismatching Acct-Multi-Session-Id") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", Acct_Multi_Session_Id="12345678+87654321", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 503) logger.info("Disconnect-Request with mismatching Acct-Multi-Session-Id (len)") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", Acct_Multi_Session_Id="12345678", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 503) logger.info("Disconnect-Request with no session identification attributes") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 503) ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1) if ev is not None: raise Exception("Unexpected disconnection") logger.info("Disconnect-Request with mismatching NAS-IP-Address") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_IP_Address="192.168.3.4", Acct_Session_Id=id, Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 403) logger.info("Disconnect-Request with mismatching NAS-Identifier") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_Identifier="unknown.example.com", Acct_Session_Id=id, Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 403) 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=b"secret", NAS_IP_Address="127.0.0.1", NAS_Identifier="nas.example.com", Acct_Session_Id=id, Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) dev[0].wait_disconnected(timeout=10) dev[0].wait_connected(timeout=10, error="Re-connection timed out") logger.info("Disconnect-Request with matching Acct-Multi-Session-Id") sta = hapd.get_sta(addr) multi_sess_id = sta['authMultiSessionId'] req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_IP_Address="127.0.0.1", NAS_Identifier="nas.example.com", Acct_Multi_Session_Id=multi_sess_id, Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) dev[0].wait_disconnected(timeout=10) dev[0].wait_connected(timeout=10, error="Re-connection timed out") logger.info("Disconnect-Request with matching User-Name") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_Identifier="nas.example.com", User_Name="psk.user@example.com", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) dev[0].wait_disconnected(timeout=10) dev[0].wait_connected(timeout=10, error="Re-connection timed out") logger.info("Disconnect-Request with matching Calling-Station-Id") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_IP_Address="127.0.0.1", Calling_Station_Id=addr, Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) dev[0].wait_disconnected(timeout=10) ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED", "CTRL-EVENT-CONNECTED"]) if ev is None: raise Exception("Timeout while waiting for re-connection") if "CTRL-EVENT-EAP-STARTED" not in ev: raise Exception("Unexpected skipping of EAP authentication in reconnection") dev[0].wait_connected(timeout=10, error="Re-connection timed out") logger.info("Disconnect-Request with matching Calling-Station-Id and non-matching CUI") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", Calling_Station_Id=addr, Chargeable_User_Identity="foo@example.com", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, error_cause=503) logger.info("Disconnect-Request with matching CUI") dev[1].connect("radius-das", key_mgmt="WPA-EAP", eap="GPSK", identity="gpsk-cui", password="abcdefghijklmnop0123456789abcdef", scan_freq="2412") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", Chargeable_User_Identity="gpsk-chargeable-user-identity", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) dev[1].wait_disconnected(timeout=10) dev[1].wait_connected(timeout=10, error="Re-connection timed out") ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1) if ev is not None: raise Exception("Unexpected disconnection") connect(dev[2], "radius-das") logger.info("Disconnect-Request with matching User-Name - multiple sessions matching") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_Identifier="nas.example.com", User_Name="psk.user@example.com", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, error_cause=508) logger.info("Disconnect-Request with User-Name matching multiple sessions, Calling-Station-Id only one") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_Identifier="nas.example.com", Calling_Station_Id=addr, User_Name="psk.user@example.com", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) dev[0].wait_disconnected(timeout=10) dev[0].wait_connected(timeout=10, error="Re-connection timed out") ev = dev[2].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1) if ev is not None: raise Exception("Unexpected disconnection") logger.info("Disconnect-Request with matching Acct-Multi-Session-Id after disassociation") sta = hapd.get_sta(addr) multi_sess_id = sta['authMultiSessionId'] dev[0].request("DISCONNECT") dev[0].wait_disconnected(timeout=10) req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_IP_Address="127.0.0.1", NAS_Identifier="nas.example.com", Acct_Multi_Session_Id=multi_sess_id, Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) dev[0].request("RECONNECT") ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=15) if ev is None: raise Exception("Timeout on EAP start") dev[0].wait_connected(timeout=15) logger.info("Disconnect-Request with matching User-Name after disassociation") dev[0].request("DISCONNECT") dev[0].wait_disconnected(timeout=10) dev[2].request("DISCONNECT") dev[2].wait_disconnected(timeout=10) req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_IP_Address="127.0.0.1", NAS_Identifier="nas.example.com", User_Name="psk.user@example.com", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) logger.info("Disconnect-Request with matching CUI after disassociation") dev[1].request("DISCONNECT") dev[1].wait_disconnected(timeout=10) req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_IP_Address="127.0.0.1", NAS_Identifier="nas.example.com", Chargeable_User_Identity="gpsk-chargeable-user-identity", Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) logger.info("Disconnect-Request with matching Calling-Station-Id after disassociation") dev[0].request("RECONNECT") ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=15) if ev is None: raise Exception("Timeout on EAP start") dev[0].wait_connected(timeout=15) dev[0].request("DISCONNECT") dev[0].wait_disconnected(timeout=10) req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_IP_Address="127.0.0.1", NAS_Identifier="nas.example.com", Calling_Station_Id=addr, Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) logger.info("Disconnect-Request with mismatching Calling-Station-Id after disassociation") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_IP_Address="127.0.0.1", NAS_Identifier="nas.example.com", Calling_Station_Id=addr, Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, error_cause=503) def add_message_auth_req(req): req.authenticator = req.CreateAuthenticator() hmac_obj = hmac.new(req.secret, digestmod=hashlib.md5) hmac_obj.update(struct.pack("B", req.code)) hmac_obj.update(struct.pack("B", req.id)) # request attributes req.AddAttribute("Message-Authenticator", 16*b"\x00") attrs = b'' for code, datalst in sorted(req.items()): for data in datalst: attrs += req._PktEncodeAttribute(code, data) # Length flen = 4 + 16 + len(attrs) hmac_obj.update(struct.pack(">H", flen)) hmac_obj.update(16*b"\x00") # all zeros Authenticator in calculation hmac_obj.update(attrs) del req[80] req.AddAttribute("Message-Authenticator", hmac_obj.digest()) def test_radius_das_disconnect_time_window(dev, apdev): """RADIUS Dynamic Authorization Extensions - Disconnect - time window""" try: import pyrad.client import pyrad.packet import pyrad.dictionary import radius_das except ImportError: raise HwsimSkip("No pyrad modules available") 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" params['radius_das_require_message_authenticator'] = "1" params['radius_das_time_window'] = "10" params['own_ip_addr'] = "127.0.0.1" params['nas_identifier'] = "nas.example.com" hapd = hostapd.add_ap(apdev[0], params) connect(dev[0], "radius-das") addr = dev[0].own_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=b"secret", dict=dict) srv.retries = 1 srv.timeout = 1 logger.info("Disconnect-Request with unsupported attribute") req = radius_das.DisconnectPacket(dict=dict, secret=b"secret", NAS_IP_Address="127.0.0.1", NAS_Identifier="nas.example.com", Calling_Station_Id=addr, Event_Timestamp=int(time.time()) - 50) add_message_auth_req(req) 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=b"secret", NAS_IP_Address="127.0.0.1", NAS_Identifier="nas.example.com", Calling_Station_Id=addr, Event_Timestamp=int(time.time())) add_message_auth_req(req) send_and_check_reply(srv, req, pyrad.packet.DisconnectACK) 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: raise HwsimSkip("No pyrad modules available") 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], 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=b"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=b"secret", Acct_Session_Id=id, Event_Timestamp=int(time.time())) send_and_check_reply(srv, req, pyrad.packet.CoANAK, error_cause=405) def test_radius_ipv6(dev, apdev): """RADIUS connection over IPv6""" params = {} params['ssid'] = 'as' params['beacon_int'] = '2000' params['radius_server_clients'] = 'auth_serv/radius_clients_ipv6.conf' params['radius_server_ipv6'] = '1' params['radius_server_auth_port'] = '18129' params['radius_server_acct_port'] = '18139' params['eap_server'] = '1' params['eap_user_file'] = 'auth_serv/eap_user.conf' params['ca_cert'] = 'auth_serv/ca.pem' params['server_cert'] = 'auth_serv/server.pem' params['private_key'] = 'auth_serv/server.key' hostapd.add_ap(apdev[1], params) params = hostapd.wpa2_eap_params(ssid="radius-ipv6") params['auth_server_addr'] = "::0" params['auth_server_port'] = "18129" params['acct_server_addr'] = "::0" params['acct_server_port'] = "18139" params['acct_server_shared_secret'] = "radius" params['own_ip_addr'] = "::0" hostapd.add_ap(apdev[0], params) connect(dev[0], "radius-ipv6") def test_radius_macacl(dev, apdev): """RADIUS MAC ACL""" params = hostapd.radius_params() params["ssid"] = "radius" params["macaddr_acl"] = "2" hostapd.add_ap(apdev[0], params) dev[0].connect("radius", key_mgmt="NONE", scan_freq="2412") # Invalid VLAN ID from RADIUS server dev[2].connect("radius", key_mgmt="NONE", scan_freq="2412") dev[2].request("REMOVE_NETWORK all") dev[2].wait_disconnected() dev[2].connect("radius", key_mgmt="NONE", scan_freq="2412") def test_radius_macacl_acct(dev, apdev): """RADIUS MAC ACL and accounting enabled""" params = hostapd.radius_params() params["ssid"] = "radius" params["macaddr_acl"] = "2" params['acct_server_addr'] = "127.0.0.1" params['acct_server_port'] = "1813" params['acct_server_shared_secret'] = "radius" hostapd.add_ap(apdev[0], params) dev[0].connect("radius", key_mgmt="NONE", scan_freq="2412") dev[1].connect("radius", key_mgmt="NONE", scan_freq="2412") dev[1].request("DISCONNECT") dev[1].wait_disconnected() dev[1].request("RECONNECT") def test_radius_macacl_oom(dev, apdev): """RADIUS MAC ACL and OOM""" params = hostapd.radius_params() params["ssid"] = "radius" params["macaddr_acl"] = "2" hapd = hostapd.add_ap(apdev[0], params) bssid = hapd.own_addr() dev[0].scan_for_bss(bssid, freq="2412") with alloc_fail(hapd, 1, "hostapd_allowed_address"): dev[0].connect("radius", key_mgmt="NONE", scan_freq="2412") dev[1].scan_for_bss(bssid, freq="2412") with alloc_fail(hapd, 2, "hostapd_allowed_address"): dev[1].connect("radius", key_mgmt="NONE", scan_freq="2412") dev[2].scan_for_bss(bssid, freq="2412") with alloc_fail(hapd, 2, "=hostapd_allowed_address"): dev[2].connect("radius", key_mgmt="NONE", scan_freq="2412") def test_radius_macacl_unreachable(dev, apdev): """RADIUS MAC ACL and server unreachable""" params = hostapd.radius_params() params['auth_server_port'] = "18139" params["ssid"] = "radius" params["macaddr_acl"] = "2" hapd = hostapd.add_ap(apdev[0], params) bssid = hapd.own_addr() dev[0].scan_for_bss(bssid, freq="2412") dev[0].connect("radius", key_mgmt="NONE", scan_freq="2412", wait_connect=False) ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=3) if ev is not None: raise Exception("Unexpected connection") logger.info("Fix authentication server port") hapd.set("auth_server_port", "1812") hapd.disable() hapd.enable() dev[0].wait_connected(timeout=20) dev[0].request("DISCONNECT") dev[0].wait_disconnected() def test_radius_failover(dev, apdev): """RADIUS Authentication and Accounting server failover""" subprocess.call(['ip', 'ro', 'replace', '192.168.213.17', 'dev', 'lo']) as_hapd = hostapd.Hostapd("as") as_mib_start = as_hapd.get_mib(param="radius_server") params = hostapd.wpa2_eap_params(ssid="radius-failover") params["auth_server_addr"] = "192.168.213.17" params["auth_server_port"] = "1812" params["auth_server_shared_secret"] = "testing" params['acct_server_addr'] = "192.168.213.17" params['acct_server_port'] = "1813" params['acct_server_shared_secret'] = "testing" params['radius_retry_primary_interval'] = "20" hapd = hostapd.add_ap(apdev[0], params, no_enable=True) hapd.set("auth_server_addr", "127.0.0.1") hapd.set("auth_server_port", "1812") hapd.set("auth_server_shared_secret", "radius") hapd.set('acct_server_addr', "127.0.0.1") hapd.set('acct_server_port', "1813") hapd.set('acct_server_shared_secret', "radius") hapd.enable() ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=30) if ev is None: raise Exception("AP startup timed out") if "AP-ENABLED" not in ev: raise Exception("AP startup failed") start = os.times()[4] try: subprocess.call(['ip', 'ro', 'replace', 'prohibit', '192.168.213.17']) dev[0].request("SET EAPOL::authPeriod 5") connect(dev[0], "radius-failover", wait_connect=False) dev[0].wait_connected(timeout=20) finally: dev[0].request("SET EAPOL::authPeriod 30") subprocess.call(['ip', 'ro', 'del', '192.168.213.17']) 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: raise Exception("Unexpected RADIUS server acct MIB value") end = os.times()[4] try: subprocess.call(['ip', 'ro', 'replace', 'prohibit', '192.168.213.17']) dev[1].request("SET EAPOL::authPeriod 5") if end - start < 21: time.sleep(21 - (end - start)) connect(dev[1], "radius-failover", wait_connect=False) dev[1].wait_connected(timeout=20) finally: dev[1].request("SET EAPOL::authPeriod 30") subprocess.call(['ip', 'ro', 'del', '192.168.213.17']) def run_pyrad_server(srv, t_events): srv.RunWithStop(t_events) def test_radius_protocol(dev, apdev): """RADIUS Authentication protocol tests with a fake server""" try: import pyrad.server import pyrad.packet import pyrad.dictionary except ImportError: raise HwsimSkip("No pyrad modules available") class TestServer(pyrad.server.Server): def _HandleAuthPacket(self, pkt): pyrad.server.Server._HandleAuthPacket(self, pkt) logger.info("Received authentication request") reply = self.CreateReplyPacket(pkt) reply.code = pyrad.packet.AccessAccept if self.t_events['msg_auth'].is_set(): logger.info("Add Message-Authenticator") if self.t_events['wrong_secret'].is_set(): logger.info("Use incorrect RADIUS shared secret") pw = b"incorrect" else: pw = reply.secret hmac_obj = hmac.new(pw, digestmod=hashlib.md5) hmac_obj.update(struct.pack("B", reply.code)) hmac_obj.update(struct.pack("B", reply.id)) # reply attributes reply.AddAttribute("Message-Authenticator", 16*b"\x00") attrs = reply._PktEncodeAttributes() # Length flen = 4 + 16 + len(attrs) hmac_obj.update(struct.pack(">H", flen)) hmac_obj.update(pkt.authenticator) hmac_obj.update(attrs) if self.t_events['double_msg_auth'].is_set(): logger.info("Include two Message-Authenticator attributes") else: del reply[80] reply.AddAttribute("Message-Authenticator", hmac_obj.digest()) self.SendReplyPacket(pkt.fd, reply) def RunWithStop(self, t_events): self._poll = select.poll() self._fdmap = {} self._PrepareSockets() self.t_events = t_events while not t_events['stop'].is_set(): for (fd, event) in self._poll.poll(1000): if event == select.POLLIN: try: fdo = self._fdmap[fd] self._ProcessInput(fdo) except pyrad.server.ServerPacketError as err: logger.info("pyrad server dropping packet: " + str(err)) except pyrad.packet.PacketError as err: logger.info("pyrad server received invalid packet: " + str(err)) else: logger.error("Unexpected event in pyrad server main loop") for fd in self.authfds + self.acctfds: fd.close() srv = TestServer(dict=pyrad.dictionary.Dictionary("dictionary.radius"), authport=18138, acctport=18139) srv.hosts["127.0.0.1"] = pyrad.server.RemoteHost("127.0.0.1", b"radius", "localhost") srv.BindToAddress("") t_events = {} t_events['stop'] = threading.Event() t_events['msg_auth'] = threading.Event() t_events['wrong_secret'] = threading.Event() t_events['double_msg_auth'] = threading.Event() t = threading.Thread(target=run_pyrad_server, args=(srv, t_events)) t.start() try: params = hostapd.wpa2_eap_params(ssid="radius-test") params['auth_server_port'] = "18138" hapd = hostapd.add_ap(apdev[0], params) connect(dev[0], "radius-test", wait_connect=False) ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=15) if ev is None: raise Exception("Timeout on EAP start") time.sleep(1) dev[0].request("REMOVE_NETWORK all") time.sleep(0.1) dev[0].dump_monitor() t_events['msg_auth'].set() t_events['wrong_secret'].set() connect(dev[0], "radius-test", wait_connect=False) time.sleep(1) dev[0].request("REMOVE_NETWORK all") time.sleep(0.1) dev[0].dump_monitor() t_events['wrong_secret'].clear() connect(dev[0], "radius-test", wait_connect=False) time.sleep(1) dev[0].request("REMOVE_NETWORK all") time.sleep(0.1) dev[0].dump_monitor() t_events['double_msg_auth'].set() connect(dev[0], "radius-test", wait_connect=False) time.sleep(1) finally: t_events['stop'].set() t.join() def build_tunnel_password(secret, authenticator, psk): a = b"\xab\xcd" psk = psk.encode() padlen = 16 - (1 + len(psk)) % 16 if padlen == 16: padlen = 0 p = struct.pack('B', len(psk)) + psk + padlen * b'\x00' cc_all = bytes() b = hashlib.md5(secret + authenticator + a).digest() while len(p) > 0: pp = bytearray(p[0:16]) p = p[16:] bb = bytearray(b) cc = bytearray(pp[i] ^ bb[i] for i in range(len(bb))) cc_all += cc b = hashlib.md5(secret + cc).digest() data = b'\x00' + a + bytes(cc_all) return data def start_radius_psk_server(psk, invalid_code=False, acct_interim_interval=0, session_timeout=0, reject=False): try: import pyrad.server import pyrad.packet import pyrad.dictionary except ImportError: raise HwsimSkip("No pyrad modules available") class TestServer(pyrad.server.Server): def _HandleAuthPacket(self, pkt): pyrad.server.Server._HandleAuthPacket(self, pkt) logger.info("Received authentication request") reply = self.CreateReplyPacket(pkt) reply.code = pyrad.packet.AccessAccept if self.t_events['invalid_code']: reply.code = pyrad.packet.AccessRequest if self.t_events['reject']: reply.code = pyrad.packet.AccessReject data = build_tunnel_password(reply.secret, pkt.authenticator, self.t_events['psk']) reply.AddAttribute("Tunnel-Password", data) if self.t_events['acct_interim_interval']: reply.AddAttribute("Acct-Interim-Interval", self.t_events['acct_interim_interval']) if self.t_events['session_timeout']: reply.AddAttribute("Session-Timeout", self.t_events['session_timeout']) self.SendReplyPacket(pkt.fd, reply) def RunWithStop(self, t_events): self._poll = select.poll() self._fdmap = {} self._PrepareSockets() self.t_events = t_events while not t_events['stop'].is_set(): for (fd, event) in self._poll.poll(1000): if event == select.POLLIN: try: fdo = self._fdmap[fd] self._ProcessInput(fdo) except pyrad.server.ServerPacketError as err: logger.info("pyrad server dropping packet: " + str(err)) except pyrad.packet.PacketError as err: logger.info("pyrad server received invalid packet: " + str(err)) else: logger.error("Unexpected event in pyrad server main loop") for fd in self.authfds + self.acctfds: fd.close() srv = TestServer(dict=pyrad.dictionary.Dictionary("dictionary.radius"), authport=18138, acctport=18139) srv.hosts["127.0.0.1"] = pyrad.server.RemoteHost("127.0.0.1", b"radius", "localhost") srv.BindToAddress("") t_events = {} t_events['stop'] = threading.Event() t_events['psk'] = psk t_events['invalid_code'] = invalid_code t_events['acct_interim_interval'] = acct_interim_interval t_events['session_timeout'] = session_timeout t_events['reject'] = reject t = threading.Thread(target=run_pyrad_server, args=(srv, t_events)) t.start() return t, t_events def hostapd_radius_psk_test_params(): params = hostapd.radius_params() params['ssid'] = "test-wpa2-psk" params["wpa"] = "2" params["wpa_key_mgmt"] = "WPA-PSK" params["rsn_pairwise"] = "CCMP" params['macaddr_acl'] = '2' params['wpa_psk_radius'] = '2' params['auth_server_port'] = "18138" return params def test_radius_psk(dev, apdev): """WPA2 with PSK from RADIUS""" t, t_events = start_radius_psk_server("12345678") try: params = hostapd_radius_psk_test_params() hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412") t_events['psk'] = "0123456789abcdef" dev[1].connect("test-wpa2-psk", psk="0123456789abcdef", scan_freq="2412") finally: t_events['stop'].set() t.join() def test_radius_psk_invalid(dev, apdev): """WPA2 with invalid PSK from RADIUS""" t, t_events = start_radius_psk_server("1234567") try: params = hostapd_radius_psk_test_params() hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412", wait_connect=False) time.sleep(1) finally: t_events['stop'].set() t.join() def test_radius_psk_invalid2(dev, apdev): """WPA2 with invalid PSK (hexstring) from RADIUS""" t, t_events = start_radius_psk_server(64*'q') try: params = hostapd_radius_psk_test_params() hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412", wait_connect=False) time.sleep(1) finally: t_events['stop'].set() t.join() def test_radius_psk_hex_psk(dev, apdev): """WPA2 with PSK hexstring from RADIUS""" t, t_events = start_radius_psk_server(64*'2', acct_interim_interval=19, session_timeout=123) try: params = hostapd_radius_psk_test_params() hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("test-wpa2-psk", raw_psk=64*'2', scan_freq="2412") finally: t_events['stop'].set() t.join() def test_radius_psk_unknown_code(dev, apdev): """WPA2 with PSK from RADIUS and unknown code""" t, t_events = start_radius_psk_server(64*'2', invalid_code=True) try: params = hostapd_radius_psk_test_params() hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412", wait_connect=False) time.sleep(1) finally: t_events['stop'].set() t.join() def test_radius_psk_reject(dev, apdev): """WPA2 with PSK from RADIUS and reject""" t, t_events = start_radius_psk_server("12345678", reject=True) try: params = hostapd_radius_psk_test_params() hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412", wait_connect=False) ev = dev[0].wait_event(["CTRL-EVENT-AUTH-REJECT"], timeout=10) if ev is None: raise Exception("No CTRL-EVENT-AUTH-REJECT event") dev[0].request("DISCONNECT") finally: t_events['stop'].set() t.join() def test_radius_psk_oom(dev, apdev): """WPA2 with PSK from RADIUS and OOM""" t, t_events = start_radius_psk_server(64*'2') try: params = hostapd_radius_psk_test_params() hapd = hostapd.add_ap(apdev[0], params) bssid = hapd.own_addr() dev[0].scan_for_bss(bssid, freq="2412") with alloc_fail(hapd, 1, "=hostapd_acl_recv_radius"): dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412", wait_connect=False) wait_fail_trigger(hapd, "GET_ALLOC_FAIL") finally: t_events['stop'].set() t.join() def test_radius_psk_default(dev, apdev): """WPA2 with default PSK""" ssid = "test-wpa2-psk" params = hostapd.radius_params() params['ssid'] = ssid params["wpa"] = "2" params["wpa_key_mgmt"] = "WPA-PSK" params["rsn_pairwise"] = "CCMP" params['macaddr_acl'] = '2' params['wpa_psk_radius'] = '1' params['wpa_passphrase'] = 'qwertyuiop' hapd = hostapd.add_ap(apdev[0], params) dev[0].connect(ssid, psk="qwertyuiop", scan_freq="2412") dev[0].dump_monitor() dev[0].request("REMOVE_NETWORK all") dev[0].wait_disconnected() dev[0].dump_monitor() hapd.disable() hapd.set("wpa_psk_radius", "2") hapd.enable() dev[0].connect(ssid, psk="qwertyuiop", scan_freq="2412", wait_connect=False) ev = dev[0].wait_event(["CTRL-EVENT-AUTH-REJECT"], timeout=10) if ev is None: raise Exception("No CTRL-EVENT-AUTH-REJECT event") dev[0].request("DISCONNECT") def test_radius_auth_force_client_addr(dev, apdev): """RADIUS client address specified""" params = hostapd.wpa2_eap_params(ssid="radius-auth") params['radius_client_addr'] = "127.0.0.1" hapd = hostapd.add_ap(apdev[0], params) connect(dev[0], "radius-auth") def test_radius_auth_force_client_dev(dev, apdev): """RADIUS client device specified""" params = hostapd.wpa2_eap_params(ssid="radius-auth") params['radius_client_dev'] = "lo" hapd = hostapd.add_ap(apdev[0], params) connect(dev[0], "radius-auth") @remote_compatible def test_radius_auth_force_invalid_client_addr(dev, apdev): """RADIUS client address specified and invalid address""" params = hostapd.wpa2_eap_params(ssid="radius-auth") #params['radius_client_addr'] = "10.11.12.14" params['radius_client_addr'] = "1::2" hapd = hostapd.add_ap(apdev[0], params) 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") ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1) if ev is not None: raise Exception("Unexpected connection") def add_message_auth(req): req.authenticator = req.CreateAuthenticator() hmac_obj = hmac.new(req.secret, digestmod=hashlib.md5) hmac_obj.update(struct.pack("B", req.code)) hmac_obj.update(struct.pack("B", req.id)) # request attributes req.AddAttribute("Message-Authenticator", 16*b"\x00") attrs = req._PktEncodeAttributes() # Length flen = 4 + 16 + len(attrs) hmac_obj.update(struct.pack(">H", flen)) hmac_obj.update(req.authenticator) hmac_obj.update(attrs) del req[80] req.AddAttribute("Message-Authenticator", hmac_obj.digest()) def test_radius_server_failures(dev, apdev): """RADIUS server failure cases""" try: import pyrad.client import pyrad.packet import pyrad.dictionary except ImportError: raise HwsimSkip("No pyrad modules available") dict = pyrad.dictionary.Dictionary("dictionary.radius") client = pyrad.client.Client(server="127.0.0.1", authport=1812, secret=b"radius", dict=dict) client.retries = 1 client.timeout = 1 # unexpected State req = client.CreateAuthPacket(code=pyrad.packet.AccessRequest, User_Name="foo") req['State'] = b'foo-state' add_message_auth(req) reply = client.SendPacket(req) if reply.code != pyrad.packet.AccessReject: raise Exception("Unexpected RADIUS response code " + str(reply.code)) # no EAP-Message req = client.CreateAuthPacket(code=pyrad.packet.AccessRequest, User_Name="foo") add_message_auth(req) try: reply = client.SendPacket(req) raise Exception("Unexpected response") except pyrad.client.Timeout: pass def test_ap_vlan_wpa2_psk_radius_required(dev, apdev): """AP VLAN with WPA2-PSK and RADIUS attributes required""" try: import pyrad.server import pyrad.packet import pyrad.dictionary except ImportError: raise HwsimSkip("No pyrad modules available") class TestServer(pyrad.server.Server): def _HandleAuthPacket(self, pkt): pyrad.server.Server._HandleAuthPacket(self, pkt) logger.info("Received authentication request") reply = self.CreateReplyPacket(pkt) reply.code = pyrad.packet.AccessAccept secret = reply.secret if self.t_events['extra'].is_set(): reply.AddAttribute("Chargeable-User-Identity", "test-cui") reply.AddAttribute("User-Name", "test-user") if self.t_events['long'].is_set(): reply.AddAttribute("Tunnel-Type", 13) reply.AddAttribute("Tunnel-Medium-Type", 6) reply.AddAttribute("Tunnel-Private-Group-ID", "1") self.SendReplyPacket(pkt.fd, reply) def RunWithStop(self, t_events): self._poll = select.poll() self._fdmap = {} self._PrepareSockets() self.t_events = t_events while not t_events['stop'].is_set(): for (fd, event) in self._poll.poll(1000): if event == select.POLLIN: try: fdo = self._fdmap[fd] self._ProcessInput(fdo) except pyrad.server.ServerPacketError as err: logger.info("pyrad server dropping packet: " + str(err)) except pyrad.packet.PacketError as err: logger.info("pyrad server received invalid packet: " + str(err)) else: logger.error("Unexpected event in pyrad server main loop") for fd in self.authfds + self.acctfds: fd.close() srv = TestServer(dict=pyrad.dictionary.Dictionary("dictionary.radius"), authport=18138, acctport=18139) srv.hosts["127.0.0.1"] = pyrad.server.RemoteHost("127.0.0.1", b"radius", "localhost") srv.BindToAddress("") t_events = {} t_events['stop'] = threading.Event() t_events['long'] = threading.Event() t_events['extra'] = threading.Event() t = threading.Thread(target=run_pyrad_server, args=(srv, t_events)) t.start() try: ssid = "test-wpa2-psk" params = hostapd.radius_params() params['ssid'] = ssid params["wpa"] = "2" params["wpa_key_mgmt"] = "WPA-PSK" params["rsn_pairwise"] = "CCMP" params['macaddr_acl'] = '2' params['dynamic_vlan'] = "2" params['wpa_passphrase'] = '0123456789abcdefghi' params['auth_server_port'] = "18138" hapd = hostapd.add_ap(apdev[0], params) logger.info("connecting without VLAN") dev[0].connect(ssid, psk="0123456789abcdefghi", scan_freq="2412", wait_connect=False) ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED", "CTRL-EVENT-SSID-TEMP-DISABLED"], timeout=20) if ev is None: raise Exception("Timeout on connection attempt") if "CTRL-EVENT-CONNECTED" in ev: raise Exception("Unexpected success without vlan parameters") logger.info("connecting without VLAN failed as expected") logger.info("connecting without VLAN (CUI/User-Name)") t_events['extra'].set() dev[1].connect(ssid, psk="0123456789abcdefghi", scan_freq="2412", wait_connect=False) ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED", "CTRL-EVENT-SSID-TEMP-DISABLED"], timeout=20) if ev is None: raise Exception("Timeout on connection attempt") if "CTRL-EVENT-CONNECTED" in ev: raise Exception("Unexpected success without vlan parameters(2)") logger.info("connecting without VLAN failed as expected(2)") t_events['extra'].clear() t_events['long'].set() logger.info("connecting with VLAN") dev[2].connect(ssid, psk="0123456789abcdefghi", scan_freq="2412", wait_connect=False) ev = dev[2].wait_event(["CTRL-EVENT-CONNECTED", "CTRL-EVENT-SSID-TEMP-DISABLED"], timeout=20) if ev is None: raise Exception("Timeout on connection attempt") if "CTRL-EVENT-SSID-TEMP-DISABLED" in ev: raise Exception("Unexpected failure with vlan parameters") logger.info("connecting with VLAN succeeded as expected") finally: t_events['stop'].set() t.join() def test_radius_mppe_failure(dev, apdev): """RADIUS failure when adding MPPE keys""" params = {"ssid": "as", "beacon_int": "2000", "radius_server_clients": "auth_serv/radius_clients.conf", "radius_server_auth_port": '18127', "eap_server": "1", "eap_user_file": "auth_serv/eap_user.conf", "ca_cert": "auth_serv/ca.pem", "server_cert": "auth_serv/server.pem", "private_key": "auth_serv/server.key"} authsrv = hostapd.add_ap(apdev[1], params) params = hostapd.wpa2_eap_params(ssid="test-wpa2-eap") params['auth_server_port'] = "18127" hapd = hostapd.add_ap(apdev[0], params) with fail_test(authsrv, 1, "os_get_random;radius_msg_add_mppe_keys"): dev[0].connect("test-wpa2-eap", key_mgmt="WPA-EAP", eap="TTLS", identity="user", anonymous_identity="ttls", password="password", ca_cert="auth_serv/ca.pem", phase2="autheap=GTC", wait_connect=False, scan_freq="2412") dev[0].wait_disconnected() dev[0].request("REMOVE_NETWORK all") def test_radius_acct_failure(dev, apdev): """RADIUS Accounting and failure to add attributes""" # Connection goes through, but Accounting-Request cannot be sent out due to # NAS-Identifier being too long to fit into a RADIUS attribute. params = {"ssid": "radius-acct-open", 'acct_server_addr': "127.0.0.1", 'acct_server_port': "1813", 'acct_server_shared_secret': "radius", 'nas_identifier': 255*'A'} hapd = hostapd.add_ap(apdev[0], params) dev[0].connect("radius-acct-open", key_mgmt="NONE", scan_freq="2412") def test_radius_acct_failure_oom(dev, apdev): """RADIUS Accounting and failure to add attributes due to OOM""" params = {"ssid": "radius-acct-open", 'acct_server_addr': "127.0.0.1", 'acct_server_port': "1813", 'acct_server_shared_secret': "radius", 'radius_acct_interim_interval': "1", 'nas_identifier': 250*'A', 'radius_acct_req_attr': ["126:s:" + 250*'B', "77:s:" + 250*'C', "127:s:" + 250*'D', "181:s:" + 250*'E']} hapd = hostapd.add_ap(apdev[0], params) bssid = hapd.own_addr() dev[0].scan_for_bss(bssid, freq="2412") with alloc_fail(hapd, 1, "radius_msg_add_attr;?radius_msg_add_attr_int32;=accounting_msg"): dev[0].connect("radius-acct-open", key_mgmt="NONE", scan_freq="2412") wait_fail_trigger(hapd, "GET_ALLOC_FAIL") dev[0].request("REMOVE_NETWORK all") dev[0].wait_disconnected() dev[1].scan_for_bss(bssid, freq="2412") with alloc_fail(hapd, 1, "accounting_sta_report"): dev[1].connect("radius-acct-open", key_mgmt="NONE", scan_freq="2412") wait_fail_trigger(hapd, "GET_ALLOC_FAIL") dev[1].request("REMOVE_NETWORK all") dev[1].wait_disconnected() tests = [(1, "radius_msg_add_attr;?radius_msg_add_attr_int32;=accounting_msg"), (2, "radius_msg_add_attr;accounting_msg"), (3, "radius_msg_add_attr;accounting_msg")] for count, func in tests: with fail_test(hapd, count, func): dev[0].connect("radius-acct-open", key_mgmt="NONE", scan_freq="2412") wait_fail_trigger(hapd, "GET_FAIL") dev[0].request("REMOVE_NETWORK all") dev[0].wait_disconnected() dev[0].connect("radius-acct-open", key_mgmt="NONE", scan_freq="2412") with fail_test(hapd, 8, "radius_msg_add_attr;?radius_msg_add_attr_int32;=accounting_sta_report"): dev[0].request("REMOVE_NETWORK all") dev[0].wait_disconnected() wait_fail_trigger(hapd, "GET_FAIL") with fail_test(hapd, 1, "radius_msg_add_attr;=accounting_report_state"): hapd.disable() def test_radius_acct_failure_oom_rsn(dev, apdev): """RADIUS Accounting in RSN and failure to add attributes due to OOM""" 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" params['radius_acct_interim_interval'] = "1" params['nas_identifier'] = 250*'A' params['radius_acct_req_attr'] = ["126:s:" + 250*'B', "77:s:" + 250*'C', "127:s:" + 250*'D', "181:s:" + 250*'E'] hapd = hostapd.add_ap(apdev[0], params) bssid = hapd.own_addr() dev[0].scan_for_bss(bssid, freq="2412") with alloc_fail(hapd, 1, "radius_msg_add_attr;?radius_msg_add_attr_int32;=accounting_msg"): connect(dev[0], "radius-acct") wait_fail_trigger(hapd, "GET_ALLOC_FAIL") dev[1].scan_for_bss(bssid, freq="2412") with alloc_fail(hapd, 1, "accounting_sta_report"): connect(dev[1], "radius-acct") wait_fail_trigger(hapd, "GET_ALLOC_FAIL") dev[2].scan_for_bss(bssid, freq="2412") connect(dev[2], "radius-acct") for i in range(1, 8): with alloc_fail(hapd, i, "radius_msg_add_attr;?radius_msg_add_attr_int32;=accounting_msg"): wait_fail_trigger(hapd, "GET_ALLOC_FAIL") for i in range(1, 15): with alloc_fail(hapd, i, "radius_msg_add_attr;?radius_msg_add_attr_int32;=accounting_sta_report"): wait_fail_trigger(hapd, "GET_ALLOC_FAIL") def test_radius_acct_failure_sta_data(dev, apdev): """RADIUS Accounting and failure to get STA data""" params = {"ssid": "radius-acct-open", 'acct_server_addr': "127.0.0.1", 'acct_server_port': "1813", 'acct_server_shared_secret': "radius"} hapd = hostapd.add_ap(apdev[0], params) with fail_test(hapd, 1, "accounting_sta_update_stats"): dev[0].connect("radius-acct-open", key_mgmt="NONE", scan_freq="2412") dev[0].request("DISCONNECT") dev[0].wait_disconnected() hapd.wait_event(["AP-STA-DISCONNECTED"], timeout=1)