mirror of
https://github.com/vanhoefm/fragattacks.git
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959 lines
42 KiB
Python
959 lines
42 KiB
Python
# RADIUS tests
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# Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import hashlib
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import hmac
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import logging
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logger = logging.getLogger()
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import os
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import select
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import struct
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import subprocess
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import threading
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import time
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import hostapd
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from utils import HwsimSkip
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def connect(dev, ssid, wait_connect=True):
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dev.connect(ssid, key_mgmt="WPA-EAP", scan_freq="2412",
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eap="PSK", identity="psk.user@example.com",
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password_hex="0123456789abcdef0123456789abcdef",
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wait_connect=wait_connect)
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def test_radius_auth_unreachable(dev, apdev):
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"""RADIUS Authentication server unreachable"""
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params = hostapd.wpa2_eap_params(ssid="radius-auth")
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params['auth_server_port'] = "18139"
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hostapd.add_ap(apdev[0]['ifname'], params)
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hapd = hostapd.Hostapd(apdev[0]['ifname'])
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connect(dev[0], "radius-auth", wait_connect=False)
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ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"])
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if ev is None:
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raise Exception("Timeout on EAP start")
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logger.info("Checking for RADIUS retries")
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time.sleep(4)
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mib = hapd.get_mib()
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if "radiusAuthClientAccessRequests" not in mib:
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raise Exception("Missing MIB fields")
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if int(mib["radiusAuthClientAccessRetransmissions"]) < 1:
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raise Exception("Missing RADIUS Authentication retransmission")
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if int(mib["radiusAuthClientPendingRequests"]) < 1:
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raise Exception("Missing pending RADIUS Authentication request")
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def test_radius_auth_unreachable2(dev, apdev):
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"""RADIUS Authentication server unreachable (2)"""
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subprocess.call(['ip', 'ro', 'replace', '192.168.213.17', 'dev', 'lo'])
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params = hostapd.wpa2_eap_params(ssid="radius-auth")
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params['auth_server_addr'] = "192.168.213.17"
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params['auth_server_port'] = "18139"
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hostapd.add_ap(apdev[0]['ifname'], params)
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hapd = hostapd.Hostapd(apdev[0]['ifname'])
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subprocess.call(['ip', 'ro', 'del', '192.168.213.17', 'dev', 'lo'])
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connect(dev[0], "radius-auth", wait_connect=False)
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ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"])
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if ev is None:
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raise Exception("Timeout on EAP start")
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logger.info("Checking for RADIUS retries")
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time.sleep(4)
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mib = hapd.get_mib()
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if "radiusAuthClientAccessRequests" not in mib:
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raise Exception("Missing MIB fields")
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if int(mib["radiusAuthClientAccessRetransmissions"]) < 1:
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raise Exception("Missing RADIUS Authentication retransmission")
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def test_radius_auth_unreachable3(dev, apdev):
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"""RADIUS Authentication server initially unreachable, but then available"""
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subprocess.call(['ip', 'ro', 'replace', 'blackhole', '192.168.213.18'])
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params = hostapd.wpa2_eap_params(ssid="radius-auth")
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params['auth_server_addr'] = "192.168.213.18"
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hostapd.add_ap(apdev[0]['ifname'], params)
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hapd = hostapd.Hostapd(apdev[0]['ifname'])
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connect(dev[0], "radius-auth", wait_connect=False)
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ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED"])
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if ev is None:
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raise Exception("Timeout on EAP start")
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subprocess.call(['ip', 'ro', 'del', 'blackhole', '192.168.213.18'])
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time.sleep(0.1)
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dev[0].request("DISCONNECT")
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hapd.set('auth_server_addr_replace', '127.0.0.1')
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dev[0].request("RECONNECT")
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dev[0].wait_connected()
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def test_radius_acct_unreachable(dev, apdev):
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"""RADIUS Accounting server unreachable"""
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params = hostapd.wpa2_eap_params(ssid="radius-acct")
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params['acct_server_addr'] = "127.0.0.1"
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params['acct_server_port'] = "18139"
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params['acct_server_shared_secret'] = "radius"
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hostapd.add_ap(apdev[0]['ifname'], params)
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hapd = hostapd.Hostapd(apdev[0]['ifname'])
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connect(dev[0], "radius-acct")
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logger.info("Checking for RADIUS retries")
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time.sleep(4)
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mib = hapd.get_mib()
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if "radiusAccClientRetransmissions" not in mib:
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raise Exception("Missing MIB fields")
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if int(mib["radiusAccClientRetransmissions"]) < 2:
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raise Exception("Missing RADIUS Accounting retransmissions")
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if int(mib["radiusAccClientPendingRequests"]) < 2:
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raise Exception("Missing pending RADIUS Accounting requests")
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def test_radius_acct_unreachable2(dev, apdev):
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"""RADIUS Accounting server unreachable(2)"""
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subprocess.call(['ip', 'ro', 'replace', '192.168.213.17', 'dev', 'lo'])
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params = hostapd.wpa2_eap_params(ssid="radius-acct")
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params['acct_server_addr'] = "192.168.213.17"
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params['acct_server_port'] = "18139"
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params['acct_server_shared_secret'] = "radius"
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hostapd.add_ap(apdev[0]['ifname'], params)
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hapd = hostapd.Hostapd(apdev[0]['ifname'])
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subprocess.call(['ip', 'ro', 'del', '192.168.213.17', 'dev', 'lo'])
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connect(dev[0], "radius-acct")
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logger.info("Checking for RADIUS retries")
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time.sleep(4)
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mib = hapd.get_mib()
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if "radiusAccClientRetransmissions" not in mib:
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raise Exception("Missing MIB fields")
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if int(mib["radiusAccClientRetransmissions"]) < 1 and int(mib["radiusAccClientPendingRequests"]) < 1:
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raise Exception("Missing pending or retransmitted RADIUS Accounting requests")
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def test_radius_acct_unreachable3(dev, apdev):
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"""RADIUS Accounting server initially unreachable, but then available"""
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subprocess.call(['ip', 'ro', 'replace', 'blackhole', '192.168.213.18'])
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as_hapd = hostapd.Hostapd("as")
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as_mib_start = as_hapd.get_mib(param="radius_server")
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params = hostapd.wpa2_eap_params(ssid="radius-acct")
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params['acct_server_addr'] = "192.168.213.18"
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params['acct_server_port'] = "1813"
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params['acct_server_shared_secret'] = "radius"
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hostapd.add_ap(apdev[0]['ifname'], params)
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hapd = hostapd.Hostapd(apdev[0]['ifname'])
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connect(dev[0], "radius-acct")
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subprocess.call(['ip', 'ro', 'del', 'blackhole', '192.168.213.18'])
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time.sleep(0.1)
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dev[0].request("DISCONNECT")
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hapd.set('acct_server_addr_replace', '127.0.0.1')
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dev[0].request("RECONNECT")
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dev[0].wait_connected()
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time.sleep(1)
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as_mib_end = as_hapd.get_mib(param="radius_server")
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req_s = int(as_mib_start['radiusAccServTotalResponses'])
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req_e = int(as_mib_end['radiusAccServTotalResponses'])
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if req_e <= req_s:
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raise Exception("Unexpected RADIUS server acct MIB value")
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def test_radius_acct_unreachable4(dev, apdev):
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"""RADIUS Accounting server unreachable and multiple STAs"""
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params = hostapd.wpa2_eap_params(ssid="radius-acct")
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params['acct_server_addr'] = "127.0.0.1"
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params['acct_server_port'] = "18139"
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params['acct_server_shared_secret'] = "radius"
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hostapd.add_ap(apdev[0]['ifname'], params)
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hapd = hostapd.Hostapd(apdev[0]['ifname'])
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for i in range(20):
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connect(dev[0], "radius-acct")
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dev[0].request("REMOVE_NETWORK all")
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dev[0].wait_disconnected()
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def test_radius_acct(dev, apdev):
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"""RADIUS Accounting"""
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as_hapd = hostapd.Hostapd("as")
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as_mib_start = as_hapd.get_mib(param="radius_server")
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params = hostapd.wpa2_eap_params(ssid="radius-acct")
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params['acct_server_addr'] = "127.0.0.1"
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params['acct_server_port'] = "1813"
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params['acct_server_shared_secret'] = "radius"
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params['radius_auth_req_attr'] = [ "126:s:Operator", "77:s:testing" ]
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params['radius_acct_req_attr'] = [ "126:s:Operator", "77:s:testing" ]
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hostapd.add_ap(apdev[0]['ifname'], params)
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hapd = hostapd.Hostapd(apdev[0]['ifname'])
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connect(dev[0], "radius-acct")
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dev[1].connect("radius-acct", key_mgmt="WPA-EAP", scan_freq="2412",
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eap="PAX", identity="test-class",
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password_hex="0123456789abcdef0123456789abcdef")
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dev[2].connect("radius-acct", key_mgmt="WPA-EAP",
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eap="GPSK", identity="gpsk-cui",
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password="abcdefghijklmnop0123456789abcdef",
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scan_freq="2412")
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logger.info("Checking for RADIUS counters")
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count = 0
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while True:
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mib = hapd.get_mib()
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if int(mib['radiusAccClientResponses']) >= 3:
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break
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time.sleep(0.1)
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count += 1
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if count > 10:
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raise Exception("Did not receive Accounting-Response packets")
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if int(mib['radiusAccClientRetransmissions']) > 0:
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raise Exception("Unexpected Accounting-Request retransmission")
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as_mib_end = as_hapd.get_mib(param="radius_server")
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req_s = int(as_mib_start['radiusAccServTotalRequests'])
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req_e = int(as_mib_end['radiusAccServTotalRequests'])
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if req_e < req_s + 2:
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raise Exception("Unexpected RADIUS server acct MIB value")
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acc_s = int(as_mib_start['radiusAuthServAccessAccepts'])
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acc_e = int(as_mib_end['radiusAuthServAccessAccepts'])
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if acc_e < acc_s + 1:
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raise Exception("Unexpected RADIUS server auth MIB value")
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def test_radius_acct_pmksa_caching(dev, apdev):
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"""RADIUS Accounting with PMKSA caching"""
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as_hapd = hostapd.Hostapd("as")
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as_mib_start = as_hapd.get_mib(param="radius_server")
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params = hostapd.wpa2_eap_params(ssid="radius-acct")
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params['acct_server_addr'] = "127.0.0.1"
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params['acct_server_port'] = "1813"
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params['acct_server_shared_secret'] = "radius"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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connect(dev[0], "radius-acct")
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dev[1].connect("radius-acct", key_mgmt="WPA-EAP", scan_freq="2412",
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eap="PAX", identity="test-class",
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password_hex="0123456789abcdef0123456789abcdef")
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for d in [ dev[0], dev[1] ]:
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d.request("REASSOCIATE")
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d.wait_connected(timeout=15, error="Reassociation timed out")
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count = 0
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while True:
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mib = hapd.get_mib()
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if int(mib['radiusAccClientResponses']) >= 4:
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break
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time.sleep(0.1)
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count += 1
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if count > 10:
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raise Exception("Did not receive Accounting-Response packets")
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if int(mib['radiusAccClientRetransmissions']) > 0:
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raise Exception("Unexpected Accounting-Request retransmission")
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as_mib_end = as_hapd.get_mib(param="radius_server")
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req_s = int(as_mib_start['radiusAccServTotalRequests'])
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req_e = int(as_mib_end['radiusAccServTotalRequests'])
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if req_e < req_s + 2:
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raise Exception("Unexpected RADIUS server acct MIB value")
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acc_s = int(as_mib_start['radiusAuthServAccessAccepts'])
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acc_e = int(as_mib_end['radiusAuthServAccessAccepts'])
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if acc_e < acc_s + 1:
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raise Exception("Unexpected RADIUS server auth MIB value")
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def test_radius_acct_interim(dev, apdev):
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"""RADIUS Accounting interim update"""
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as_hapd = hostapd.Hostapd("as")
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params = hostapd.wpa2_eap_params(ssid="radius-acct")
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params['acct_server_addr'] = "127.0.0.1"
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params['acct_server_port'] = "1813"
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params['acct_server_shared_secret'] = "radius"
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params['radius_acct_interim_interval'] = "1"
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hostapd.add_ap(apdev[0]['ifname'], params)
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hapd = hostapd.Hostapd(apdev[0]['ifname'])
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connect(dev[0], "radius-acct")
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logger.info("Checking for RADIUS counters")
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as_mib_start = as_hapd.get_mib(param="radius_server")
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time.sleep(3.1)
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as_mib_end = as_hapd.get_mib(param="radius_server")
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req_s = int(as_mib_start['radiusAccServTotalRequests'])
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req_e = int(as_mib_end['radiusAccServTotalRequests'])
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if req_e < req_s + 3:
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raise Exception("Unexpected RADIUS server acct MIB value")
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def test_radius_acct_interim_unreachable(dev, apdev):
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"""RADIUS Accounting interim update with unreachable server"""
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params = hostapd.wpa2_eap_params(ssid="radius-acct")
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params['acct_server_addr'] = "127.0.0.1"
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params['acct_server_port'] = "18139"
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params['acct_server_shared_secret'] = "radius"
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params['radius_acct_interim_interval'] = "1"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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start = hapd.get_mib()
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connect(dev[0], "radius-acct")
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logger.info("Waiting for interium accounting updates")
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time.sleep(3.1)
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end = hapd.get_mib()
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req_s = int(start['radiusAccClientTimeouts'])
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req_e = int(end['radiusAccClientTimeouts'])
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if req_e < req_s + 2:
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raise Exception("Unexpected RADIUS server acct MIB value")
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def send_and_check_reply(srv, req, code, error_cause=0):
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reply = srv.SendPacket(req)
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logger.debug("RADIUS response from hostapd")
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for i in reply.keys():
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logger.debug("%s: %s" % (i, reply[i]))
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if reply.code != code:
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raise Exception("Unexpected response code")
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if error_cause:
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if 'Error-Cause' not in reply:
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raise Exception("Missing Error-Cause")
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if reply['Error-Cause'][0] != error_cause:
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raise Exception("Unexpected Error-Cause: {}".format(reply['Error-Cause']))
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def test_radius_das_disconnect(dev, apdev):
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"""RADIUS Dynamic Authorization Extensions - Disconnect"""
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try:
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import pyrad.client
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import pyrad.packet
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import pyrad.dictionary
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import radius_das
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except ImportError:
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raise HwsimSkip("No pyrad modules available")
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params = hostapd.wpa2_eap_params(ssid="radius-das")
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params['radius_das_port'] = "3799"
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params['radius_das_client'] = "127.0.0.1 secret"
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params['radius_das_require_event_timestamp'] = "1"
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params['own_ip_addr'] = "127.0.0.1"
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params['nas_identifier'] = "nas.example.com"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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connect(dev[0], "radius-das")
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addr = dev[0].p2p_interface_addr()
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sta = hapd.get_sta(addr)
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id = sta['dot1xAuthSessionId']
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dict = pyrad.dictionary.Dictionary("dictionary.radius")
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srv = pyrad.client.Client(server="127.0.0.1", acctport=3799,
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secret="secret", dict=dict)
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srv.retries = 1
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srv.timeout = 1
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logger.info("Disconnect-Request with incorrect secret")
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req = radius_das.DisconnectPacket(dict=dict, secret="incorrect",
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User_Name="foo",
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NAS_Identifier="localhost",
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Event_Timestamp=int(time.time()))
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logger.debug(req)
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try:
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reply = srv.SendPacket(req)
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raise Exception("Unexpected response to Disconnect-Request")
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except pyrad.client.Timeout:
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logger.info("Disconnect-Request with incorrect secret properly ignored")
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logger.info("Disconnect-Request without Event-Timestamp")
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req = radius_das.DisconnectPacket(dict=dict, secret="secret",
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User_Name="psk.user@example.com")
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logger.debug(req)
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try:
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reply = srv.SendPacket(req)
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raise Exception("Unexpected response to Disconnect-Request")
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except pyrad.client.Timeout:
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logger.info("Disconnect-Request without Event-Timestamp properly ignored")
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logger.info("Disconnect-Request with non-matching Event-Timestamp")
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req = radius_das.DisconnectPacket(dict=dict, secret="secret",
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User_Name="psk.user@example.com",
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Event_Timestamp=123456789)
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logger.debug(req)
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try:
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reply = srv.SendPacket(req)
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raise Exception("Unexpected response to Disconnect-Request")
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except pyrad.client.Timeout:
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logger.info("Disconnect-Request with non-matching Event-Timestamp properly ignored")
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logger.info("Disconnect-Request with unsupported attribute")
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req = radius_das.DisconnectPacket(dict=dict, secret="secret",
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User_Name="foo",
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User_Password="foo",
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Event_Timestamp=int(time.time()))
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send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 401)
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logger.info("Disconnect-Request with invalid Calling-Station-Id")
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req = radius_das.DisconnectPacket(dict=dict, secret="secret",
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User_Name="foo",
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Calling_Station_Id="foo",
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Event_Timestamp=int(time.time()))
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send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 407)
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logger.info("Disconnect-Request with mismatching User-Name")
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req = radius_das.DisconnectPacket(dict=dict, secret="secret",
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User_Name="foo",
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Event_Timestamp=int(time.time()))
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send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 503)
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logger.info("Disconnect-Request with mismatching Calling-Station-Id")
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req = radius_das.DisconnectPacket(dict=dict, secret="secret",
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Calling_Station_Id="12:34:56:78:90:aa",
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Event_Timestamp=int(time.time()))
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send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 503)
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logger.info("Disconnect-Request with mismatching Acct-Session-Id")
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req = radius_das.DisconnectPacket(dict=dict, secret="secret",
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Acct_Session_Id="12345678-87654321",
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Event_Timestamp=int(time.time()))
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send_and_check_reply(srv, req, pyrad.packet.DisconnectNAK, 503)
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logger.info("Disconnect-Request with mismatching Acct-Session-Id (len)")
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|
req = radius_das.DisconnectPacket(dict=dict, secret="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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 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]['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()))
|
|
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]['ifname'], 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]['ifname'], 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]['ifname'], params)
|
|
dev[0].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]['ifname'], 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_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]['ifname'], 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 = "incorrect"
|
|
else:
|
|
pw = reply.secret
|
|
hmac_obj = hmac.new(pw)
|
|
hmac_obj.update(struct.pack("B", reply.code))
|
|
hmac_obj.update(struct.pack("B", reply.id))
|
|
|
|
# reply attributes
|
|
reply.AddAttribute("Message-Authenticator",
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 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")
|
|
|
|
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",
|
|
"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]['ifname'], 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 test_radius_psk(dev, apdev):
|
|
"""WPA2 with PSK from RADIUS"""
|
|
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
|
|
a = "\xab\xcd"
|
|
secret = reply.secret
|
|
if self.t_events['long'].is_set():
|
|
p = b'\x10' + "0123456789abcdef" + 15 * b'\x00'
|
|
b = hashlib.md5(secret + pkt.authenticator + a).digest()
|
|
pp = bytearray(p[0:16])
|
|
bb = bytearray(b)
|
|
cc = bytearray(pp[i] ^ bb[i] for i in range(len(bb)))
|
|
|
|
b = hashlib.md5(reply.secret + bytes(cc)).digest()
|
|
pp = bytearray(p[16:32])
|
|
bb = bytearray(b)
|
|
cc += bytearray(pp[i] ^ bb[i] for i in range(len(bb)))
|
|
|
|
data = '\x00' + a + bytes(cc)
|
|
else:
|
|
p = b'\x08' + "12345678" + 7 * b'\x00'
|
|
b = hashlib.md5(secret + pkt.authenticator + a).digest()
|
|
pp = bytearray(p)
|
|
bb = bytearray(b)
|
|
cc = bytearray(pp[i] ^ bb[i] for i in range(len(bb)))
|
|
data = '\x00' + a + bytes(cc)
|
|
reply.AddAttribute("Tunnel-Password", data)
|
|
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 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")
|
|
|
|
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",
|
|
"radius",
|
|
"localhost")
|
|
srv.BindToAddress("")
|
|
t_events = {}
|
|
t_events['stop'] = threading.Event()
|
|
t_events['long'] = 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['wpa_psk_radius'] = '2'
|
|
params['auth_server_port'] = "18138"
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
|
|
dev[0].connect(ssid, psk="12345678", scan_freq="2412")
|
|
t_events['long'].set()
|
|
dev[1].connect(ssid, psk="0123456789abcdef", scan_freq="2412")
|
|
finally:
|
|
t_events['stop'].set()
|
|
t.join()
|
|
|
|
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]['ifname'], params)
|
|
connect(dev[0], "radius-auth")
|
|
|
|
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]['ifname'], 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")
|