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
def test_ap_vlan_open(dev, apdev):
"""AP VLAN with open network"""
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 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, 'multi-bss-iface.conf')
+ 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()