263 lines
10 KiB
Python
263 lines
10 KiB
Python
# IEEE 802.1X 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 binascii
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import hmac
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import logging
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import time
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import hostapd
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import hwsim_utils
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logger = logging.getLogger()
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def test_ieee8021x_wep104(dev, apdev):
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"""IEEE 802.1X connection using dynamic WEP104"""
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params = hostapd.radius_params()
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params["ssid"] = "ieee8021x-wep"
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params["ieee8021x"] = "1"
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params["wep_key_len_broadcast"] = "13"
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params["wep_key_len_unicast"] = "13"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect("ieee8021x-wep", key_mgmt="IEEE8021X", eap="PSK",
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identity="psk.user@example.com",
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password_hex="0123456789abcdef0123456789abcdef",
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scan_freq="2412")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ieee8021x_wep40(dev, apdev):
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"""IEEE 802.1X connection using dynamic WEP40"""
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params = hostapd.radius_params()
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params["ssid"] = "ieee8021x-wep"
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params["ieee8021x"] = "1"
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params["wep_key_len_broadcast"] = "5"
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params["wep_key_len_unicast"] = "5"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect("ieee8021x-wep", key_mgmt="IEEE8021X", eap="PSK",
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identity="psk.user@example.com",
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password_hex="0123456789abcdef0123456789abcdef",
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scan_freq="2412")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ieee8021x_open(dev, apdev):
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"""IEEE 802.1X connection using open network"""
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params = hostapd.radius_params()
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params["ssid"] = "ieee8021x-open"
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params["ieee8021x"] = "1"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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id = dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
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eap="PSK", identity="psk.user@example.com",
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password_hex="0123456789abcdef0123456789abcdef",
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scan_freq="2412")
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hwsim_utils.test_connectivity(dev[0], hapd)
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logger.info("Test EAPOL-Logoff")
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dev[0].request("LOGOFF")
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ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"])
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if ev is None:
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raise Exception("Did not get disconnected")
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if "reason=23" not in ev:
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raise Exception("Unexpected disconnection reason")
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dev[0].request("LOGON")
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dev[0].connect_network(id)
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ieee8021x_static_wep40(dev, apdev):
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"""IEEE 802.1X connection using static WEP40"""
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params = hostapd.radius_params()
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params["ssid"] = "ieee8021x-wep"
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params["ieee8021x"] = "1"
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params["wep_key0"] = '"hello"'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect("ieee8021x-wep", key_mgmt="IEEE8021X", eap="PSK",
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identity="psk.user@example.com",
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password_hex="0123456789abcdef0123456789abcdef",
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wep_key0='"hello"', eapol_flags="0",
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scan_freq="2412")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ieee8021x_proto(dev, apdev):
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"""IEEE 802.1X and EAPOL supplicant protocol testing"""
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params = hostapd.radius_params()
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params["ssid"] = "ieee8021x-open"
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params["ieee8021x"] = "1"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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bssid = apdev[0]['bssid']
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dev[1].request("SET ext_eapol_frame_io 1")
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dev[1].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
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eap="PSK", identity="psk.user@example.com",
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password_hex="0123456789abcdef0123456789abcdef",
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scan_freq="2412", wait_connect=False)
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id = dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
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eap="PSK", identity="psk.user@example.com",
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password_hex="0123456789abcdef0123456789abcdef",
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scan_freq="2412")
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ev = dev[1].wait_event(["CTRL-EVENT-EAP-STARTED"], timeout=5)
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start = dev[0].get_mib()
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tests = [ "11",
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"11223344",
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"020000050a93000501",
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"020300050a93000501",
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"0203002c0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0203002c0100000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"0203002c0100050000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"02aa00050a93000501" ]
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for frame in tests:
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res = dev[0].request("EAPOL_RX " + bssid + " " + frame)
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if "OK" not in res:
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raise Exception("EAPOL_RX to wpa_supplicant failed")
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dev[1].request("EAPOL_RX " + bssid + " " + frame)
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stop = dev[0].get_mib()
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logger.info("MIB before test frames: " + str(start))
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logger.info("MIB after test frames: " + str(stop))
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vals = [ 'dot1xSuppInvalidEapolFramesRx',
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'dot1xSuppEapLengthErrorFramesRx' ]
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for val in vals:
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if int(stop[val]) <= int(start[val]):
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raise Exception(val + " did not increase")
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def test_ieee8021x_eapol_start(dev, apdev):
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"""IEEE 802.1X and EAPOL-Start retransmissions"""
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params = hostapd.radius_params()
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params["ssid"] = "ieee8021x-open"
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params["ieee8021x"] = "1"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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bssid = apdev[0]['bssid']
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addr0 = dev[0].own_addr()
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hapd.set("ext_eapol_frame_io", "1")
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try:
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dev[0].request("SET EAPOL::startPeriod 1")
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dev[0].request("SET EAPOL::maxStart 1")
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dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
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eap="PSK", identity="psk.user@example.com",
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password_hex="0123456789abcdef0123456789abcdef",
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scan_freq="2412", wait_connect=False)
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held = False
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for i in range(30):
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pae = dev[0].get_status_field('Supplicant PAE state')
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if pae == "HELD":
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mib = hapd.get_sta(addr0, info="eapol")
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if mib['auth_pae_state'] != 'AUTHENTICATING':
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raise Exception("Unexpected Auth PAE state: " + mib['auth_pae_state'])
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held = True
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break
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time.sleep(0.25)
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if not held:
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raise Exception("PAE state HELD not reached")
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dev[0].wait_disconnected()
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finally:
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dev[0].request("SET EAPOL::startPeriod 30")
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dev[0].request("SET EAPOL::maxStart 3")
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def test_ieee8021x_held(dev, apdev):
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"""IEEE 802.1X and HELD state"""
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params = hostapd.radius_params()
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params["ssid"] = "ieee8021x-open"
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params["ieee8021x"] = "1"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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bssid = apdev[0]['bssid']
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hapd.set("ext_eapol_frame_io", "1")
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try:
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dev[0].request("SET EAPOL::startPeriod 1")
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dev[0].request("SET EAPOL::maxStart 0")
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dev[0].request("SET EAPOL::heldPeriod 1")
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dev[0].connect("ieee8021x-open", key_mgmt="IEEE8021X", eapol_flags="0",
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eap="PSK", identity="psk.user@example.com",
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password_hex="0123456789abcdef0123456789abcdef",
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scan_freq="2412", wait_connect=False)
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held = False
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for i in range(30):
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pae = dev[0].get_status_field('Supplicant PAE state')
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if pae == "HELD":
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held = True
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break
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time.sleep(0.25)
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if not held:
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raise Exception("PAE state HELD not reached")
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hapd.set("ext_eapol_frame_io", "0")
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for i in range(30):
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pae = dev[0].get_status_field('Supplicant PAE state')
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if pae != "HELD":
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held = False
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break
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time.sleep(0.25)
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if held:
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raise Exception("PAE state HELD not left")
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ev = dev[0].wait_event([ "CTRL-EVENT-CONNECTED",
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"CTRL-EVENT-DISCONNECTED" ], timeout=10)
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if ev is None:
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raise Exception("Connection timed out")
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if "CTRL-EVENT-DISCONNECTED" in ev:
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raise Exception("Unexpected disconnection")
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finally:
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dev[0].request("SET EAPOL::startPeriod 30")
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dev[0].request("SET EAPOL::maxStart 3")
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dev[0].request("SET EAPOL::heldPeriod 60")
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def send_eapol_key(dev, bssid, signkey, frame_start, frame_end):
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zero_sign = "00000000000000000000000000000000"
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frame = frame_start + zero_sign + frame_end
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hmac_obj = hmac.new(binascii.unhexlify(signkey))
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hmac_obj.update(binascii.unhexlify(frame))
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sign = hmac_obj.digest()
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frame = frame_start + binascii.hexlify(sign) + frame_end
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dev.request("EAPOL_RX " + bssid + " " + frame)
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def test_ieee8021x_eapol_key(dev, apdev):
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"""IEEE 802.1X connection and EAPOL-Key protocol tests"""
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params = hostapd.radius_params()
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params["ssid"] = "ieee8021x-wep"
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params["ieee8021x"] = "1"
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params["wep_key_len_broadcast"] = "5"
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params["wep_key_len_unicast"] = "5"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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bssid = apdev[0]['bssid']
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dev[0].connect("ieee8021x-wep", key_mgmt="IEEE8021X", eap="VENDOR-TEST",
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identity="vendor-test", scan_freq="2412")
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# Hardcoded MSK from VENDOR-TEST
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encrkey = "1111111111111111111111111111111111111111111111111111111111111111"
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signkey = "2222222222222222222222222222222222222222222222222222222222222222"
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# EAPOL-Key replay counter does not increase
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send_eapol_key(dev[0], bssid, signkey,
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"02030031" + "010005" + "0000000000000000" + "056c22d109f29d4d9fb9b9ccbad33283" + "02",
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"1c636a30a4")
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# EAPOL-Key too large Key Length field value
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send_eapol_key(dev[0], bssid, signkey,
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"02030031" + "010021" + "ffffffffffffffff" + "056c22d109f29d4d9fb9b9ccbad33283" + "02",
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"1c636a30a4")
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# EAPOL-Key too much key data
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send_eapol_key(dev[0], bssid, signkey,
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"0203004d" + "010005" + "ffffffffffffffff" + "056c22d109f29d4d9fb9b9ccbad33283" + "02",
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33*"ff")
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# EAPOL-Key too little key data
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send_eapol_key(dev[0], bssid, signkey,
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"02030030" + "010005" + "ffffffffffffffff" + "056c22d109f29d4d9fb9b9ccbad33283" + "02",
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"1c636a30")
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# EAPOL-Key with no key data and too long WEP key length
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send_eapol_key(dev[0], bssid, signkey,
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"0203002c" + "010020" + "ffffffffffffffff" + "056c22d109f29d4d9fb9b9ccbad33283" + "02",
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"")
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