hostapd/tests/hwsim/test_ap_vlan.py
Michael Braun 732bbcc709 tests: Verify connectivity with untagged/tagged VLAN mixed configuration
Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
2016-02-17 11:46:13 +02:00

567 lines
23 KiB
Python

#!/usr/bin/python
#
# Test cases for AP VLAN
# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import time
import subprocess
import logging
logger = logging.getLogger(__name__)
try:
import netifaces
netifaces_imported = True
except ImportError:
netifaces_imported = False
import hwsim_utils
import hostapd
from utils import iface_is_in_bridge, HwsimSkip
import os
from tshark import run_tshark
def test_ap_vlan_open(dev, apdev):
"""AP VLAN with open network"""
params = { "ssid": "test-vlan-open",
"dynamic_vlan": "1",
"accept_mac_file": "hostapd.accept" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
dev[1].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
dev[2].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan1")
hwsim_utils.test_connectivity_iface(dev[1], hapd, "brvlan2")
hwsim_utils.test_connectivity(dev[2], hapd)
def test_ap_vlan_file_open(dev, apdev):
"""AP VLAN with open network and vlan_file mapping"""
params = { "ssid": "test-vlan-open",
"dynamic_vlan": "1",
"vlan_file": "hostapd.vlan",
"accept_mac_file": "hostapd.accept" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
dev[1].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
dev[2].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan1")
hwsim_utils.test_connectivity_iface(dev[1], hapd, "brvlan2")
hwsim_utils.test_connectivity(dev[2], hapd)
def test_ap_vlan_wpa2(dev, apdev):
"""AP VLAN with WPA2-PSK"""
params = hostapd.wpa2_params(ssid="test-vlan",
passphrase="12345678")
params['dynamic_vlan'] = "1";
params['accept_mac_file'] = "hostapd.accept";
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan", psk="12345678", scan_freq="2412")
dev[1].connect("test-vlan", psk="12345678", scan_freq="2412")
dev[2].connect("test-vlan", psk="12345678", scan_freq="2412")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan1")
hwsim_utils.test_connectivity_iface(dev[1], hapd, "brvlan2")
hwsim_utils.test_connectivity(dev[2], hapd)
def test_ap_vlan_wpa2_radius(dev, apdev):
"""AP VLAN with WPA2-Enterprise and RADIUS attributes"""
params = hostapd.wpa2_eap_params(ssid="test-vlan")
params['dynamic_vlan'] = "1";
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan", key_mgmt="WPA-EAP", eap="PAX",
identity="vlan1",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
dev[1].connect("test-vlan", key_mgmt="WPA-EAP", eap="PAX",
identity="vlan2",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
dev[2].connect("test-vlan", key_mgmt="WPA-EAP", eap="PAX",
identity="pax.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan1")
hwsim_utils.test_connectivity_iface(dev[1], hapd, "brvlan2")
hwsim_utils.test_connectivity(dev[2], hapd)
def test_ap_vlan_wpa2_radius_2(dev, apdev):
"""AP VLAN with WPA2-Enterprise and RADIUS EGRESS_VLANID attributes"""
params = hostapd.wpa2_eap_params(ssid="test-vlan")
params['dynamic_vlan'] = "1";
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan", key_mgmt="WPA-EAP", eap="PAX",
identity="vlan1b",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan1")
def test_ap_vlan_wpa2_radius_id_change(dev, apdev):
"""AP VLAN with WPA2-Enterprise and RADIUS attributes changing VLANID"""
as_params = { "ssid": "as",
"beacon_int": "2000",
"radius_server_clients": "auth_serv/radius_clients.conf",
"radius_server_auth_port": '18128',
"eap_server": "1",
"eap_user_file": "auth_serv/eap_user.conf",
"ca_cert": "auth_serv/ca.pem",
"server_cert": "auth_serv/server.pem",
"private_key": "auth_serv/server.key" }
authserv = hostapd.add_ap(apdev[1]['ifname'], as_params)
params = hostapd.wpa2_eap_params(ssid="test-vlan")
params['dynamic_vlan'] = "1";
params['auth_server_port'] = "18128"
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan", key_mgmt="WPA-EAP", eap="PAX",
identity="vlan1",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan1")
logger.info("VLAN-ID -> 2")
authserv.disable()
authserv.set('eap_user_file', "auth_serv/eap_user_vlan.conf")
authserv.enable()
dev[0].dump_monitor()
dev[0].request("REAUTHENTICATE")
ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=15)
if ev is None:
raise Exception("EAP reauthentication timed out")
ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=5)
if ev is None:
raise Exception("4-way handshake after reauthentication timed out")
state = dev[0].get_status_field('wpa_state')
if state != "COMPLETED":
raise Exception("Unexpected state after reauth: " + state)
sta = hapd.get_sta(dev[0].own_addr())
if 'vlan_id' not in sta:
raise Exception("No VLAN ID in STA info")
if sta['vlan_id'] != '2':
raise Exception("Unexpected VLAN ID: " + sta['vlan_id'])
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan2")
logger.info("VLAN-ID -> 1")
time.sleep(1)
authserv.disable()
authserv.set('eap_user_file', "auth_serv/eap_user.conf")
authserv.enable()
dev[0].dump_monitor()
dev[0].request("REAUTHENTICATE")
ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=15)
if ev is None:
raise Exception("EAP reauthentication timed out")
ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=5)
if ev is None:
raise Exception("4-way handshake after reauthentication timed out")
state = dev[0].get_status_field('wpa_state')
if state != "COMPLETED":
raise Exception("Unexpected state after reauth: " + state)
sta = hapd.get_sta(dev[0].own_addr())
if 'vlan_id' not in sta:
raise Exception("No VLAN ID in STA info")
if sta['vlan_id'] != '1':
raise Exception("Unexpected VLAN ID: " + sta['vlan_id'])
time.sleep(0.2)
try:
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan1")
except Exception, e:
# It is possible for new bridge setup to not be ready immediately, so
# try again to avoid reporting issues related to that.
logger.info("First VLAN-ID 1 data test failed - try again")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan1")
def test_ap_vlan_wpa2_radius_required(dev, apdev):
"""AP VLAN with WPA2-Enterprise and RADIUS attributes required"""
params = hostapd.wpa2_eap_params(ssid="test-vlan")
params['dynamic_vlan'] = "2";
hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan", key_mgmt="WPA-EAP", eap="PAX",
identity="vlan1",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
dev[2].connect("test-vlan", key_mgmt="WPA-EAP", eap="PAX",
identity="pax.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412", wait_connect=False)
ev = dev[2].wait_event(["CTRL-EVENT-CONNECTED",
"CTRL-EVENT-DISCONNECTED"], timeout=20)
if ev is None:
raise Exception("Timeout on connection attempt")
if "CTRL-EVENT-CONNECTED" in ev:
raise Exception("Unexpected success without tunnel parameters")
def test_ap_vlan_tagged(dev, apdev):
"""AP VLAN with tagged interface"""
params = { "ssid": "test-vlan-open",
"dynamic_vlan": "1",
"vlan_tagged_interface": "lo",
"accept_mac_file": "hostapd.accept" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
dev[1].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
dev[2].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brlo.1")
hwsim_utils.test_connectivity_iface(dev[1], hapd, "brlo.2")
hwsim_utils.test_connectivity(dev[2], hapd)
def ap_vlan_iface_cleanup_multibss_cleanup():
subprocess.call(['ifconfig', 'dummy0', 'down'],
stderr=open('/dev/null', 'w'))
ifnames = [ 'wlan3.1', 'wlan3.2', 'wlan3-2.1', 'wlan3-2.2', 'dummy0.2',
'dummy0.1', 'dummy0', 'brvlan1', 'brvlan2' ]
for ifname in ifnames:
subprocess.call(['ip', 'link', 'del', ifname],
stderr=open('/dev/null', 'w'))
def ap_vlan_iface_test_and_prepare_environ():
ifaces = netifaces.interfaces()
if "dummy0" in ifaces:
raise Exception("dummy0 already exists before")
ifaces = netifaces.interfaces()
if "dummy0.1" in ifaces:
raise Exception("dummy0.1 already exists before")
subprocess.call(['ip', 'link', 'add', 'dummy0', 'type', 'dummy'])
subprocess.call(['ifconfig', 'dummy0', 'up'])
ifaces = netifaces.interfaces()
if not("dummy0" in ifaces):
raise HwsimSkip("failed to add dummy0 - missing kernel config DUMMY ?")
subprocess.call(['ip', 'link', 'add', 'link', 'dummy0', 'name', 'dummy0.1',
'type', 'vlan', 'id', '1'])
ifaces = netifaces.interfaces()
if not("dummy0.1" in ifaces):
raise HwsimSkip("failed to add dummy0.1 - missing kernel config VLAN_8021Q ?")
subprocess.call(['ip', 'link', 'del', 'dummy0.1'])
ifaces = netifaces.interfaces()
if "dummy0.1" in ifaces:
raise Exception("dummy0.1 was not removed before testing")
def test_ap_vlan_iface_cleanup_multibss(dev, apdev):
"""AP VLAN operation in multi-BSS multi-VLAN case"""
ap_vlan_iface_cleanup_multibss(dev, apdev, 'multi-bss-iface.conf')
def ap_vlan_iface_cleanup_multibss(dev, apdev, cfgfile):
# AP VLAN with WPA2-Enterprise and RADIUS attributes changing VLANID
# check that multiple bss do not interfere with each other with respect
# to deletion of bridge and tagged interface.
if not netifaces_imported:
raise HwsimSkip("python module netifaces not available")
try:
ap_vlan_iface_cleanup_multibss_cleanup()
ap_vlan_iface_test_and_prepare_environ()
as_params = { "ssid": "as",
"beacon_int": "2000",
"radius_server_clients": "auth_serv/radius_clients.conf",
"radius_server_auth_port": '18128',
"eap_server": "1",
"eap_user_file": "auth_serv/eap_user.conf",
"ca_cert": "auth_serv/ca.pem",
"server_cert": "auth_serv/server.pem",
"private_key": "auth_serv/server.key",
"vlan_naming": "1" }
authserv = hostapd.add_ap(apdev[1]['ifname'], as_params)
ifname = apdev[0]['ifname']
# start the actual test
hostapd.add_iface(ifname, cfgfile)
hapd = hostapd.Hostapd(ifname)
hapd1 = hostapd.Hostapd("wlan3-2", 1)
hapd1.enable()
ifaces = netifaces.interfaces()
if "brvlan1" in ifaces:
raise Exception("bridge brvlan1 already exists before")
if "brvlan2" in ifaces:
raise Exception("bridge brvlan2 already exists before")
dev[0].connect("bss-1", key_mgmt="WPA-EAP", eap="PAX",
identity="vlan1",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
ifaces = netifaces.interfaces()
if not("brvlan1" in ifaces):
raise Exception("bridge brvlan1 was not created")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan1")
if not iface_is_in_bridge("brvlan1", "dummy0.1"):
raise Exception("dummy0.1 not in brvlan1")
dev[1].connect("bss-2", key_mgmt="WPA-EAP", eap="PAX",
identity="vlan1",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
hwsim_utils.test_connectivity_iface(dev[1], hapd1, "brvlan1")
if not iface_is_in_bridge("brvlan1", "dummy0.1"):
raise Exception("dummy0.1 not in brvlan1")
authserv.disable()
authserv.set('eap_user_file', "auth_serv/eap_user_vlan.conf")
authserv.enable()
logger.info("wlan0 -> VLAN 2")
dev[0].dump_monitor()
dev[0].request("REAUTHENTICATE")
ev = dev[0].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=15)
if ev is None:
raise Exception("EAP reauthentication timed out")
ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=5)
if ev is None:
raise Exception("4-way handshake after reauthentication timed out")
state = dev[0].get_status_field('wpa_state')
if state != "COMPLETED":
raise Exception("Unexpected state after reauth: " + state)
ifaces = netifaces.interfaces()
if not ("brvlan1" in ifaces):
raise Exception("bridge brvlan1 has been removed too early")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan2",
max_tries=5)
if not iface_is_in_bridge("brvlan2", "dummy0.2"):
raise Exception("dummy0.2 not in brvlan2")
logger.info("test wlan1 == VLAN 1")
hwsim_utils.test_connectivity_iface(dev[1], hapd1, "brvlan1")
if not iface_is_in_bridge("brvlan1", "dummy0.1"):
raise Exception("dummy0.1 not in brvlan1")
logger.info("wlan1 -> VLAN 2")
dev[1].dump_monitor()
dev[1].request("REAUTHENTICATE")
ev = dev[1].wait_event(["CTRL-EVENT-EAP-SUCCESS"], timeout=15)
if ev is None:
raise Exception("EAP reauthentication timed out")
ev = dev[1].wait_event(["WPA: Key negotiation completed"], timeout=5)
if ev is None:
raise Exception("4-way handshake after reauthentication timed out")
state = dev[1].get_status_field('wpa_state')
if state != "COMPLETED":
raise Exception("Unexpected state after reauth: " + state)
# it can take some time for data connectivity to be updated
hwsim_utils.test_connectivity_iface(dev[1], hapd1, "brvlan2",
max_tries=5)
logger.info("test wlan0 == VLAN 2")
hwsim_utils.test_connectivity_iface(dev[0], hapd, "brvlan2")
if not iface_is_in_bridge("brvlan2", "dummy0.2"):
raise Exception("dummy0.2 not in brvlan2")
ifaces = netifaces.interfaces()
if "brvlan1" in ifaces:
raise Exception("bridge brvlan1 has not been cleaned up")
# disconnect dev0 first to test a corner case
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[1].request("DISCONNECT")
dev[1].wait_disconnected()
# station removal needs some time
for i in range(5):
time.sleep(1)
ifaces = netifaces.interfaces()
if "brvlan2" not in ifaces:
break
ifaces = netifaces.interfaces()
if "brvlan2" in ifaces:
raise Exception("bridge brvlan2 has not been cleaned up")
hapd.request("DISABLE")
finally:
ap_vlan_iface_cleanup_multibss_cleanup()
def test_ap_vlan_iface_cleanup_multibss_per_sta_vif(dev, apdev):
"""AP VLAN operation in multi-BSS multi-VLAN case with per-sta-vif set"""
# AP VLAN with WPA2-Enterprise and RADIUS attributes changing VLANID
# check that multiple bss do not interfere with each other with respect
# to deletion of bridge and tagged interface. per_sta_vif is enabled.
ap_vlan_iface_cleanup_multibss(dev, apdev,
'multi-bss-iface-per_sta_vif.conf')
def test_ap_vlan_without_station(dev, apdev, p):
"""AP VLAN with WPA2-PSK and no station"""
try:
subprocess.call(['brctl', 'addbr', 'brvlan1'])
subprocess.call(['brctl', 'setfd', 'brvlan1', '0'])
subprocess.call(['ifconfig', 'brvlan1', 'up'])
# use a passphrase wlantest does not know, so it cannot
# inject decrypted frames into pcap
params = hostapd.wpa2_params(ssid="test-vlan",
passphrase="12345678x")
params['dynamic_vlan'] = "1";
params['vlan_file'] = 'hostapd.wlan3.vlan'
params['accept_mac_file'] = "hostapd.accept";
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
# inject some traffic
sa = hapd.own_addr()
da = "ff:ff:ff:ff:ff:00"
hapd.request('DATA_TEST_CONFIG 1 ifname=brvlan1')
hapd.request('DATA_TEST_TX {} {} 0'.format(da, sa))
hapd.request('DATA_TEST_CONFIG 0')
time.sleep(.1)
dev[0].connect("test-vlan", psk="12345678x", scan_freq="2412")
# inject some traffic
sa = hapd.own_addr()
da = "ff:ff:ff:ff:ff:01"
hapd.request('DATA_TEST_CONFIG 1 ifname=brvlan1')
hapd.request('DATA_TEST_TX {} {} 0'.format(da, sa))
hapd.request('DATA_TEST_CONFIG 0')
# let the AP send couple of Beacon frames
time.sleep(1)
out = run_tshark(os.path.join(p['logdir'], "hwsim0.pcapng"),
"wlan.da == ff:ff:ff:ff:ff:00",
["wlan.fc.protected"])
if out is not None:
lines = out.splitlines()
if len(lines) < 1:
raise Exception("first frame not observed")
state = 1
for l in lines:
is_protected = int(l, 16)
if is_protected != 1:
state = 0
if state != 1:
raise Exception("Broadcast packets were not encrypted when no station was connected")
else:
raise Exception("first frame not observed")
out = run_tshark(os.path.join(p['logdir'], "hwsim0.pcapng"),
"wlan.da == ff:ff:ff:ff:ff:01",
["wlan.fc.protected"])
if out is not None:
lines = out.splitlines()
if len(lines) < 1:
raise Exception("second frame not observed")
state = 1
for l in lines:
is_protected = int(l, 16)
if is_protected != 1:
state = 0
if state != 1:
raise Exception("Broadcast packets were not encrypted when station was connected")
else:
raise Exception("second frame not observed")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
finally:
subprocess.call(['ip', 'link', 'set', 'dev', 'brvlan1', 'down'])
subprocess.call(['ip', 'link', 'set', 'dev', 'wlan3.1', 'down'],
stderr=open('/dev/null', 'w'))
subprocess.call(['brctl', 'delif', 'brvlan1', 'wlan3.1'],
stderr=open('/dev/null', 'w'))
subprocess.call(['brctl', 'delbr', 'brvlan1'])
def test_ap_open_per_sta_vif(dev, apdev):
"""AP VLAN with open network"""
params = { "ssid": "test-vlan-open",
"per_sta_vif": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
hwsim_utils.test_connectivity_iface(dev[0], hapd,
apdev[0]['ifname'] + ".4096")
def test_ap_vlan_open_per_sta_vif(dev, apdev):
"""AP VLAN (dynamic) with open network"""
params = { "ssid": "test-vlan-open",
"per_sta_vif": "1",
"dynamic_vlan": "1" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan-open", key_mgmt="NONE", scan_freq="2412")
hwsim_utils.test_connectivity_iface(dev[0], hapd,
apdev[0]['ifname'] + ".4096")
def test_ap_vlan_wpa2_radius_tagged(dev, apdev):
"""AP VLAN with WPA2-Enterprise and RADIUS EGRESS_VLANID attributes"""
ifname = 'wlan0.1'
try:
params = hostapd.wpa2_eap_params(ssid="test-vlan")
params['dynamic_vlan'] = "1"
params["vlan_naming"] = "1"
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan", key_mgmt="WPA-EAP", eap="PAX",
identity="vlan1tagged",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
# Create tagged interface for wpa_supplicant
subprocess.call(['ip', 'link', 'add', 'link', dev[0].ifname,
'name', ifname, 'type', 'vlan', 'id', '1'])
subprocess.call(['ifconfig', ifname, 'up'])
hwsim_utils.run_connectivity_test(dev[0], hapd, 0, ifname1=ifname,
ifname2="brvlan1")
finally:
subprocess.call(['ifconfig', ifname, 'down'])
subprocess.call(['ip', 'link', 'del', ifname])
def test_ap_vlan_wpa2_radius_mixed(dev, apdev):
"""AP VLAN with WPA2-Enterprise and tagged+untagged VLANs"""
ifname = 'wlan0.1'
try:
params = hostapd.wpa2_eap_params(ssid="test-vlan")
params['dynamic_vlan'] = "1"
params["vlan_naming"] = "1"
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
dev[0].connect("test-vlan", key_mgmt="WPA-EAP", eap="PAX",
identity="vlan12mixed",
password_hex="0123456789abcdef0123456789abcdef",
scan_freq="2412")
# Add tagged VLAN interface to wpa_supplicant interface for testing
subprocess.call(['ip', 'link', 'add', 'link', dev[0].ifname,
'name', ifname, 'type', 'vlan', 'id', '1'])
subprocess.call(['ifconfig', ifname, 'up'])
logger.info("Test connectivity in untagged VLAN 2")
hwsim_utils.run_connectivity_test(dev[0], hapd, 0,
ifname1=dev[0].ifname,
ifname2="brvlan2")
logger.info("Test connectivity in tagged VLAN 1")
hwsim_utils.run_connectivity_test(dev[0], hapd, 0, ifname1=ifname,
ifname2="brvlan1")
finally:
subprocess.call(['ifconfig', ifname, 'down'])
subprocess.call(['ip', 'link', 'del', ifname])