346 lines
12 KiB
Python
346 lines
12 KiB
Python
# IBSS test cases
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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 time
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import re
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import subprocess
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import hwsim_utils
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def connect_ibss_cmd(dev, id):
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dev.dump_monitor()
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dev.select_network(id, freq="2412")
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def wait_ibss_connection(dev):
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logger.info(dev.ifname + " waiting for IBSS start/join to complete")
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ev = dev.wait_connected(timeout=20,
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error="Connection to the IBSS timed out")
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exp = r'<.>(CTRL-EVENT-CONNECTED) - Connection to ([0-9a-f:]*) completed.*'
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s = re.split(exp, ev)
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if len(s) < 3:
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return None
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return s[2]
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def wait_4way_handshake(dev1, dev2):
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logger.info(dev1.ifname + " waiting for 4-way handshake completion with " + dev2.ifname + " " + dev2.p2p_interface_addr())
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ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr()],
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timeout=20)
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if ev is None:
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raise Exception("4-way handshake in IBSS timed out")
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def wait_4way_handshake2(dev1, dev2, dev3):
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logger.info(dev1.ifname + " waiting for 4-way handshake completion with " + dev2.ifname + " " + dev2.p2p_interface_addr() + " and " + dev3.p2p_interface_addr())
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ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr(),
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"IBSS-RSN-COMPLETED " + dev3.p2p_interface_addr()],
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timeout=20)
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if ev is None:
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raise Exception("4-way handshake in IBSS timed out")
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ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr(),
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"IBSS-RSN-COMPLETED " + dev3.p2p_interface_addr()],
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timeout=20)
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if ev is None:
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raise Exception("4-way handshake in IBSS timed out")
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def add_ibss(dev, ssid, psk=None, proto=None, key_mgmt=None, pairwise=None,
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group=None, beacon_int=None, bssid=None, scan_freq=None,
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wep_key0=None):
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id = dev.add_network()
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dev.set_network(id, "mode", "1")
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dev.set_network(id, "frequency", "2412")
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if scan_freq:
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dev.set_network(id, "scan_freq", str(scan_freq))
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dev.set_network_quoted(id, "ssid", ssid)
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if psk:
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dev.set_network_quoted(id, "psk", psk)
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if proto:
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dev.set_network(id, "proto", proto)
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if key_mgmt:
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dev.set_network(id, "key_mgmt", key_mgmt)
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if pairwise:
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dev.set_network(id, "pairwise", pairwise)
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if group:
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dev.set_network(id, "group", group)
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if beacon_int:
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dev.set_network(id, "beacon_int", beacon_int)
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if bssid:
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dev.set_network(id, "bssid", bssid)
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if wep_key0:
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dev.set_network(id, "wep_key0", wep_key0)
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dev.request("ENABLE_NETWORK " + str(id) + " no-connect")
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return id
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def add_ibss_rsn(dev, ssid):
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return add_ibss(dev, ssid, "12345678", "RSN", "WPA-PSK", "CCMP", "CCMP")
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def add_ibss_rsn_tkip(dev, ssid):
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return add_ibss(dev, ssid, "12345678", "RSN", "WPA-PSK", "TKIP", "TKIP")
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def add_ibss_wpa_none(dev, ssid):
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return add_ibss(dev, ssid, "12345678", "WPA", "WPA-NONE", "TKIP", "TKIP")
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def add_ibss_wpa_none_ccmp(dev, ssid):
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return add_ibss(dev, ssid, "12345678", "WPA", "WPA-NONE", "CCMP", "CCMP")
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def test_ibss_rsn(dev):
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"""IBSS RSN"""
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ssid="ibss-rsn"
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logger.info("Start IBSS on the first STA")
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id = add_ibss_rsn(dev[0], ssid)
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connect_ibss_cmd(dev[0], id)
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bssid0 = wait_ibss_connection(dev[0])
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logger.info("Join two STAs to the IBSS")
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id = add_ibss_rsn(dev[1], ssid)
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connect_ibss_cmd(dev[1], id)
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bssid1 = wait_ibss_connection(dev[1])
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if bssid0 != bssid1:
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logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
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# try to merge with a scan
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dev[1].scan()
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wait_4way_handshake(dev[0], dev[1])
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wait_4way_handshake(dev[1], dev[0])
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id = add_ibss_rsn(dev[2], ssid)
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connect_ibss_cmd(dev[2], id)
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bssid2 = wait_ibss_connection(dev[2])
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if bssid0 != bssid2:
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logger.info("STA0 BSSID " + bssid0 + " differs from STA2 BSSID " + bssid2)
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# try to merge with a scan
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dev[2].scan()
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wait_4way_handshake(dev[0], dev[2])
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wait_4way_handshake2(dev[2], dev[0], dev[1])
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# Allow some time for all peers to complete key setup
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time.sleep(3)
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hwsim_utils.test_connectivity(dev[0], dev[1])
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hwsim_utils.test_connectivity(dev[0], dev[2])
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hwsim_utils.test_connectivity(dev[1], dev[2])
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dev[1].request("REMOVE_NETWORK all")
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time.sleep(1)
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id = add_ibss_rsn(dev[1], ssid)
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connect_ibss_cmd(dev[1], id)
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bssid1 = wait_ibss_connection(dev[1])
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if bssid0 != bssid1:
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logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
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# try to merge with a scan
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dev[1].scan()
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wait_4way_handshake(dev[0], dev[1])
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wait_4way_handshake(dev[1], dev[0])
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time.sleep(3)
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hwsim_utils.test_connectivity(dev[0], dev[1])
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if "OK" not in dev[0].request("IBSS_RSN " + dev[1].p2p_interface_addr()):
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raise Exception("IBSS_RSN command failed")
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def test_ibss_wpa_none(dev):
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"""IBSS WPA-None"""
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ssid="ibss-wpa-none"
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logger.info("Start IBSS on the first STA")
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id = add_ibss_wpa_none(dev[0], ssid)
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connect_ibss_cmd(dev[0], id)
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bssid0 = wait_ibss_connection(dev[0])
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# This is a bit ugly, but no one really cares about WPA-None, so there may
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# not be enough justification to clean this up.. For now, wpa_supplicant
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# will show two connection events with mac80211_hwsim where the first one
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# comes with all zeros address.
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if bssid0 == "00:00:00:00:00:00":
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logger.info("Waiting for real BSSID on the first STA")
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bssid0 = wait_ibss_connection(dev[0])
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logger.info("Join two STAs to the IBSS")
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id = add_ibss_wpa_none(dev[1], ssid)
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connect_ibss_cmd(dev[1], id)
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id = add_ibss_wpa_none(dev[2], ssid)
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connect_ibss_cmd(dev[2], id)
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bssid1 = wait_ibss_connection(dev[1])
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if bssid0 != bssid1:
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logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
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bssid1 = wait_ibss_connection(dev[1])
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bssid2 = wait_ibss_connection(dev[2])
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if bssid0 != bssid2:
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logger.info("STA0 BSSID " + bssid0 + " differs from STA2 BSSID " + bssid2)
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bssid2 = wait_ibss_connection(dev[2])
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logger.info("bssid0=%s bssid1=%s bssid2=%s" % (bssid0, bssid1, bssid2))
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bss = dev[0].get_bss(bssid0)
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if not bss:
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bss = dev[1].get_bss(bssid1)
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if not bss:
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raise Exception("Could not find BSS entry for IBSS")
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if 'flags' not in bss:
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raise Exception("Could not get BSS flags from BSS table")
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if "[WPA-None-TKIP]" not in bss['flags']:
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raise Exception("Unexpected BSS flags: " + bss['flags'])
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# Allow some time for all peers to complete key setup
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time.sleep(1)
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# This is supposed to work, but looks like WPA-None does not work with
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# mac80211 currently..
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try:
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hwsim_utils.test_connectivity(dev[0], dev[1])
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except Exception, e:
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logger.info("Ignoring known connectivity failure: " + str(e))
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try:
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hwsim_utils.test_connectivity(dev[0], dev[2])
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except Exception, e:
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logger.info("Ignoring known connectivity failure: " + str(e))
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try:
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hwsim_utils.test_connectivity(dev[1], dev[2])
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except Exception, e:
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logger.info("Ignoring known connectivity failure: " + str(e))
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def test_ibss_wpa_none_ccmp(dev):
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"""IBSS WPA-None/CCMP"""
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ssid="ibss-wpa-none"
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logger.info("Start IBSS on the first STA")
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id = add_ibss_wpa_none(dev[0], ssid)
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connect_ibss_cmd(dev[0], id)
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bssid0 = wait_ibss_connection(dev[0])
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# This is a bit ugly, but no one really cares about WPA-None, so there may
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# not be enough justification to clean this up.. For now, wpa_supplicant
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# will show two connection events with mac80211_hwsim where the first one
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# comes with all zeros address.
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if bssid0 == "00:00:00:00:00:00":
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logger.info("Waiting for real BSSID on the first STA")
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bssid0 = wait_ibss_connection(dev[0])
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logger.info("Join a STA to the IBSS")
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id = add_ibss_wpa_none(dev[1], ssid)
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connect_ibss_cmd(dev[1], id)
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bssid1 = wait_ibss_connection(dev[1])
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if bssid0 != bssid1:
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logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
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bssid1 = wait_ibss_connection(dev[1])
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logger.info("bssid0=%s bssid1=%s" % (bssid0, bssid1))
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# Allow some time for all peers to complete key setup
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time.sleep(1)
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# This is supposed to work, but looks like WPA-None does not work with
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# mac80211 currently..
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try:
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hwsim_utils.test_connectivity(dev[0], dev[1])
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except Exception, e:
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logger.info("Ignoring known connectivity failure: " + str(e))
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def test_ibss_open(dev):
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"""IBSS open (no security)"""
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ssid="ibss"
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id = add_ibss(dev[0], ssid, key_mgmt="NONE", beacon_int="150")
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connect_ibss_cmd(dev[0], id)
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bssid0 = wait_ibss_connection(dev[0])
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id = add_ibss(dev[1], ssid, key_mgmt="NONE", beacon_int="200")
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connect_ibss_cmd(dev[1], id)
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bssid1 = wait_ibss_connection(dev[1])
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if bssid0 != bssid1:
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logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
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res = dev[0].request("SCAN_RESULTS")
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if "[IBSS]" not in res:
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res = dev[1].request("SCAN_RESULTS")
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if "[IBSS]" not in res:
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raise Exception("IBSS flag missing from scan results: " + res)
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bss = dev[0].get_bss(bssid0)
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if not bss:
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bss = dev[1].get_bss(bssid1)
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if not bss:
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raise Exception("Could not find BSS entry for IBSS")
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if 'flags' not in bss:
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raise Exception("Could not get BSS flags from BSS table")
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if "[IBSS]" not in bss['flags']:
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raise Exception("Unexpected BSS flags: " + bss['flags'])
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def test_ibss_open_fixed_bssid(dev):
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"""IBSS open (no security) and fixed BSSID"""
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ssid="ibss"
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bssid="02:11:22:33:44:55"
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try:
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dev[0].request("AP_SCAN 2")
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add_ibss(dev[0], ssid, key_mgmt="NONE", bssid=bssid, beacon_int="150")
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dev[0].request("REASSOCIATE")
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dev[1].request("AP_SCAN 2")
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add_ibss(dev[1], ssid, key_mgmt="NONE", bssid=bssid, beacon_int="200")
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dev[1].request("REASSOCIATE")
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bssid0 = wait_ibss_connection(dev[0])
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bssid1 = wait_ibss_connection(dev[1])
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if bssid0 != bssid:
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raise Exception("STA0 BSSID " + bssid0 + " differs from fixed BSSID " + bssid)
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if bssid1 != bssid:
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raise Exception("STA0 BSSID " + bssid0 + " differs from fixed BSSID " + bssid)
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finally:
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dev[0].request("AP_SCAN 1")
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dev[1].request("AP_SCAN 1")
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def test_ibss_open_retry(dev):
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"""IBSS open (no security) with cfg80211 retry workaround"""
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subprocess.check_call(['iw', 'dev', dev[0].ifname, 'set', 'type', 'adhoc'])
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subprocess.check_call(['iw', 'dev', dev[0].ifname, 'ibss', 'join',
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'ibss-test', '2412', 'HT20', 'fixed-freq',
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'02:22:33:44:55:66'])
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ssid="ibss"
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try:
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dev[0].request("AP_SCAN 2")
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id = add_ibss(dev[0], ssid, key_mgmt="NONE", beacon_int="150",
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bssid="02:33:44:55:66:77", scan_freq=2412)
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#connect_ibss_cmd(dev[0], id)
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dev[0].request("REASSOCIATE")
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bssid0 = wait_ibss_connection(dev[0])
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subprocess.check_call(['iw', 'dev', dev[0].ifname, 'ibss', 'leave'])
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time.sleep(1)
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dev[0].request("DISCONNECT")
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finally:
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dev[0].request("AP_SCAN 1")
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def test_ibss_rsn_tkip(dev):
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"""IBSS RSN with TKIP as the cipher"""
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ssid="ibss-rsn-tkip"
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id = add_ibss_rsn_tkip(dev[0], ssid)
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connect_ibss_cmd(dev[0], id)
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bssid0 = wait_ibss_connection(dev[0])
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id = add_ibss_rsn_tkip(dev[1], ssid)
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connect_ibss_cmd(dev[1], id)
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bssid1 = wait_ibss_connection(dev[1])
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if bssid0 != bssid1:
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logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
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# try to merge with a scan
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dev[1].scan()
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wait_4way_handshake(dev[0], dev[1])
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wait_4way_handshake(dev[1], dev[0])
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def test_ibss_wep(dev):
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"""IBSS with WEP"""
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ssid="ibss-wep"
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id = add_ibss(dev[0], ssid, key_mgmt="NONE", wep_key0='"hello"')
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connect_ibss_cmd(dev[0], id)
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bssid0 = wait_ibss_connection(dev[0])
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id = add_ibss(dev[1], ssid, key_mgmt="NONE", wep_key0='"hello"')
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connect_ibss_cmd(dev[1], id)
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bssid1 = wait_ibss_connection(dev[1])
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