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https://github.com/vanhoefm/fragattacks.git
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a8375c94c0
This makes it easier to replace data connectivity testing to use something else than local hwsim_test binary on the controller device. Signed-off-by: Jouni Malinen <j@w1.fi>
262 lines
11 KiB
Python
262 lines
11 KiB
Python
# Dynamic wpa_supplicant interface
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# Copyright (c) 2013, 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 logging
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logger = logging.getLogger()
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import subprocess
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import time
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import hwsim_utils
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import hostapd
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from wpasupplicant import WpaSupplicant
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def test_sta_dynamic(dev, apdev):
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"""Dynamically added wpa_supplicant interface"""
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params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
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hostapd.add_ap(apdev[0]['ifname'], params)
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logger.info("Create a dynamic wpa_supplicant interface and connect")
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan5")
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wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412")
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def test_sta_ap_scan_0(dev, apdev):
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"""Dynamically added wpa_supplicant interface with AP_SCAN 0 connection"""
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hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test" })
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bssid = apdev[0]['bssid']
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logger.info("Create a dynamic wpa_supplicant interface and connect")
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan5")
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if "OK" not in wpas.request("AP_SCAN 0"):
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raise Exception("Failed to set AP_SCAN 2")
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id = wpas.connect("", key_mgmt="NONE", bssid=bssid,
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only_add_network=True)
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wpas.request("ENABLE_NETWORK " + str(id) + " no-connect")
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wpas.request("SCAN")
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time.sleep(0.5)
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subprocess.call(['sudo', 'iw', wpas.ifname, 'connect', 'test', '2412'])
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ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=10)
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if ev is None:
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raise Exception("Connection not reported")
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wpas.request("SCAN")
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ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=5)
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if ev is None:
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raise Exception("Connection not reported")
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def test_sta_ap_scan_2(dev, apdev):
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"""Dynamically added wpa_supplicant interface with AP_SCAN 2 connection"""
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hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test" })
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bssid = apdev[0]['bssid']
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logger.info("Create a dynamic wpa_supplicant interface and connect")
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan5")
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if "FAIL" not in wpas.request("AP_SCAN -1"):
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raise Exception("Invalid AP_SCAN -1 accepted")
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if "FAIL" not in wpas.request("AP_SCAN 3"):
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raise Exception("Invalid AP_SCAN 3 accepted")
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if "OK" not in wpas.request("AP_SCAN 2"):
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raise Exception("Failed to set AP_SCAN 2")
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id = wpas.connect("", key_mgmt="NONE", bssid=bssid,
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only_add_network=True)
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wpas.request("ENABLE_NETWORK " + str(id) + " no-connect")
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subprocess.call(['sudo', 'iw', wpas.ifname, 'scan', 'trigger',
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'freq', '2412'])
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time.sleep(1)
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subprocess.call(['sudo', 'iw', wpas.ifname, 'connect', 'test', '2412'])
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ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=10)
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if ev is None:
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raise Exception("Connection not reported")
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wpas.request("SET disallow_aps bssid " + bssid)
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ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=10)
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if ev is None:
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raise Exception("Disconnection not reported")
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subprocess.call(['sudo', 'iw', wpas.ifname, 'connect', 'test', '2412'])
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ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
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if ev is not None:
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raise Exception("Unexpected connection reported")
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def test_sta_dynamic_down_up(dev, apdev):
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"""Dynamically added wpa_supplicant interface down/up"""
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params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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logger.info("Create a dynamic wpa_supplicant interface and connect")
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan5")
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wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412")
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hwsim_utils.test_connectivity(wpas, hapd)
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subprocess.call(['sudo', 'ifconfig', wpas.ifname, 'down'])
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ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=10)
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if ev is None:
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raise Exception("Disconnection not reported")
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if wpas.get_status_field("wpa_state") != "INTERFACE_DISABLED":
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raise Exception("Unexpected wpa_state")
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subprocess.call(['sudo', 'ifconfig', wpas.ifname, 'up'])
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ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=15)
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if ev is None:
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raise Exception("Reconnection not reported")
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hwsim_utils.test_connectivity(wpas, hapd)
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def test_sta_dynamic_ext_mac_addr_change(dev, apdev):
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"""Dynamically added wpa_supplicant interface with external MAC address change"""
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params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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logger.info("Create a dynamic wpa_supplicant interface and connect")
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan5")
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wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412")
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hwsim_utils.test_connectivity(wpas, hapd)
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subprocess.call(['sudo', 'ifconfig', wpas.ifname, 'down'])
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ev = wpas.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=10)
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if ev is None:
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raise Exception("Disconnection not reported")
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if wpas.get_status_field("wpa_state") != "INTERFACE_DISABLED":
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raise Exception("Unexpected wpa_state")
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prev_addr = wpas.p2p_interface_addr()
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new_addr = '02:11:22:33:44:55'
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try:
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subprocess.call(['sudo', 'ip', 'link', 'set', 'dev', wpas.ifname,
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'address', new_addr])
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subprocess.call(['sudo', 'ifconfig', wpas.ifname, 'up'])
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ev = wpas.wait_event(["CTRL-EVENT-CONNECTED"], timeout=15)
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if ev is None:
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raise Exception("Reconnection not reported")
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if wpas.get_driver_status_field('addr') != new_addr:
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raise Exception("Address change not reported")
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hwsim_utils.test_connectivity(wpas, hapd)
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sta = hapd.get_sta(new_addr)
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if sta['addr'] != new_addr:
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raise Exception("STA association with new address not found")
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finally:
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subprocess.call(['sudo', 'ifconfig', wpas.ifname, 'down'])
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subprocess.call(['sudo', 'ip', 'link', 'set', 'dev', wpas.ifname,
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'address', prev_addr])
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subprocess.call(['sudo', 'ifconfig', wpas.ifname, 'up'])
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def test_sta_dynamic_random_mac_addr(dev, apdev):
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"""Dynamically added wpa_supplicant interface and random MAC address"""
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params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan5")
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addr0 = wpas.get_driver_status_field("addr")
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wpas.request("SET preassoc_mac_addr 1")
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wpas.request("SET rand_addr_lifetime 0")
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id = wpas.connect("sta-dynamic", psk="12345678", mac_addr="1",
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scan_freq="2412")
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addr1 = wpas.get_driver_status_field("addr")
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if addr0 == addr1:
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raise Exception("Random MAC address not used")
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sta = hapd.get_sta(addr0)
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if sta['addr'] != "FAIL":
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raise Exception("Unexpected STA association with permanent address")
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sta = hapd.get_sta(addr1)
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if sta['addr'] != addr1:
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raise Exception("STA association with random address not found")
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wpas.request("DISCONNECT")
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wpas.connect_network(id)
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addr2 = wpas.get_driver_status_field("addr")
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if addr1 != addr2:
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raise Exception("Random MAC address changed unexpectedly")
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wpas.remove_network(id)
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id = wpas.connect("sta-dynamic", psk="12345678", mac_addr="1",
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scan_freq="2412")
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addr2 = wpas.get_driver_status_field("addr")
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if addr1 == addr2:
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raise Exception("Random MAC address did not change")
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def test_sta_dynamic_random_mac_addr_keep_oui(dev, apdev):
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"""Dynamically added wpa_supplicant interface and random MAC address (keep OUI)"""
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params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan5")
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addr0 = wpas.get_driver_status_field("addr")
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wpas.request("SET preassoc_mac_addr 2")
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wpas.request("SET rand_addr_lifetime 0")
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id = wpas.connect("sta-dynamic", psk="12345678", mac_addr="2",
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scan_freq="2412")
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addr1 = wpas.get_driver_status_field("addr")
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if addr0 == addr1:
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raise Exception("Random MAC address not used")
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if addr1[3:8] != addr0[3:8]:
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raise Exception("OUI was not kept")
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sta = hapd.get_sta(addr0)
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if sta['addr'] != "FAIL":
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raise Exception("Unexpected STA association with permanent address")
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sta = hapd.get_sta(addr1)
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if sta['addr'] != addr1:
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raise Exception("STA association with random address not found")
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wpas.request("DISCONNECT")
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wpas.connect_network(id)
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addr2 = wpas.get_driver_status_field("addr")
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if addr1 != addr2:
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raise Exception("Random MAC address changed unexpectedly")
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wpas.remove_network(id)
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id = wpas.connect("sta-dynamic", psk="12345678", mac_addr="2",
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scan_freq="2412")
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addr2 = wpas.get_driver_status_field("addr")
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if addr1 == addr2:
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raise Exception("Random MAC address did not change")
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if addr2[3:8] != addr0[3:8]:
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raise Exception("OUI was not kept")
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def test_sta_dynamic_random_mac_addr_scan(dev, apdev):
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"""Dynamically added wpa_supplicant interface and random MAC address for scan"""
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params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan5")
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addr0 = wpas.get_driver_status_field("addr")
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wpas.request("SET preassoc_mac_addr 1")
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wpas.request("SET rand_addr_lifetime 0")
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id = wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412")
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addr1 = wpas.get_driver_status_field("addr")
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if addr0 != addr1:
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raise Exception("Random MAC address used unexpectedly")
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def test_sta_dynamic_random_mac_addr_scan_keep_oui(dev, apdev):
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"""Dynamically added wpa_supplicant interface and random MAC address for scan (keep OUI)"""
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params = hostapd.wpa2_params(ssid="sta-dynamic", passphrase="12345678")
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan5")
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addr0 = wpas.get_driver_status_field("addr")
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wpas.request("SET preassoc_mac_addr 2")
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wpas.request("SET rand_addr_lifetime 0")
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id = wpas.connect("sta-dynamic", psk="12345678", scan_freq="2412")
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addr1 = wpas.get_driver_status_field("addr")
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if addr0 != addr1:
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raise Exception("Random MAC address used unexpectedly")
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