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https://github.com/vanhoefm/fragattacks.git
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4221679233
There was a bug in this code path that resulted in the skip-scan-to-start-GO case to not actually skip the scan. It looks like this could be hit at least when autoscan was enabled, but it is possible that some other sequences could hit this as well. Signed-off-by: Jouni Malinen <j@w1.fi>
350 lines
13 KiB
Python
350 lines
13 KiB
Python
# P2P autonomous GO test cases
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# Copyright (c) 2013-2014, 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 time
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import subprocess
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import logging
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logger = logging.getLogger()
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import hwsim_utils
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import utils
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from wlantest import Wlantest
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from wpasupplicant import WpaSupplicant
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def autogo(go, freq=None):
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logger.info("Start autonomous GO " + go.ifname)
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res = go.p2p_start_go(freq=freq)
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logger.debug("res: " + str(res))
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return res
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def connect_cli(go, client):
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logger.info("Try to connect the client to the GO")
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pin = client.wps_read_pin()
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go.p2p_go_authorize_client(pin)
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res = client.p2p_connect_group(go.p2p_dev_addr(), pin, timeout=60)
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logger.info("Client connected")
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hwsim_utils.test_connectivity_p2p(go, client)
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return res
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def test_autogo(dev):
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"""P2P autonomous GO and client joining group"""
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res = autogo(dev[0])
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if "p2p-wlan" in res['ifname']:
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raise Exception("Unexpected group interface name on GO")
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res = connect_cli(dev[0], dev[1])
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if "p2p-wlan" in res['ifname']:
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raise Exception("Unexpected group interface name on client")
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bss = dev[1].get_bss("p2p_dev_addr=" + dev[0].p2p_dev_addr())
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if bss['bssid'] != dev[0].p2p_interface_addr():
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raise Exception("Unexpected BSSID in the BSS entry for the GO")
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id = bss['id']
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bss = dev[1].get_bss("ID-" + id)
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if bss['id'] != id:
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raise Exception("Could not find BSS entry based on id")
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res = dev[1].request("BSS RANGE=" + id + "- MASK=0x1")
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if "id=" + id not in res:
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raise Exception("Could not find BSS entry based on id range")
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# Presence request to increase testing coverage
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if "FAIL" in dev[1].group_request("P2P_PRESENCE_REQ 30000 102400"):
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raise Exception("Could not send presence request")
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ev = dev[1].wait_event(["P2P-PRESENCE-RESPONSE"])
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if ev is None:
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raise Exception("Timeout while waiting for Presence Response")
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dev[0].remove_group()
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dev[1].wait_go_ending_session()
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def test_autogo2(dev):
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"""P2P autonomous GO with a separate group interface and client joining group"""
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dev[0].request("SET p2p_no_group_iface 0")
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res = autogo(dev[0])
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if "p2p-wlan" not in res['ifname']:
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raise Exception("Unexpected group interface name on GO")
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if res['ifname'] not in utils.get_ifnames():
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raise Exception("Could not find group interface netdev")
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connect_cli(dev[0], dev[1])
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dev[0].remove_group()
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dev[1].wait_go_ending_session()
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if res['ifname'] in utils.get_ifnames():
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raise Exception("Group interface netdev was not removed")
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def test_autogo3(dev):
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"""P2P autonomous GO and client with a separate group interface joining group"""
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dev[1].request("SET p2p_no_group_iface 0")
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autogo(dev[0])
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res = connect_cli(dev[0], dev[1])
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if "p2p-wlan" not in res['ifname']:
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raise Exception("Unexpected group interface name on client")
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if res['ifname'] not in utils.get_ifnames():
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raise Exception("Could not find group interface netdev")
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dev[0].remove_group()
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dev[1].wait_go_ending_session()
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dev[1].ping()
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if res['ifname'] in utils.get_ifnames():
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raise Exception("Group interface netdev was not removed")
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def test_autogo4(dev):
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"""P2P autonomous GO and client joining group (both with a separate group interface)"""
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dev[0].request("SET p2p_no_group_iface 0")
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dev[1].request("SET p2p_no_group_iface 0")
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res1 = autogo(dev[0])
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res2 = connect_cli(dev[0], dev[1])
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if "p2p-wlan" not in res1['ifname']:
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raise Exception("Unexpected group interface name on GO")
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if "p2p-wlan" not in res2['ifname']:
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raise Exception("Unexpected group interface name on client")
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ifnames = utils.get_ifnames()
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if res1['ifname'] not in ifnames:
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raise Exception("Could not find GO group interface netdev")
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if res2['ifname'] not in ifnames:
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raise Exception("Could not find client group interface netdev")
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dev[0].remove_group()
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dev[1].wait_go_ending_session()
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dev[1].ping()
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ifnames = utils.get_ifnames()
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if res1['ifname'] in ifnames:
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raise Exception("GO group interface netdev was not removed")
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if res2['ifname'] in ifnames:
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raise Exception("Client group interface netdev was not removed")
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def test_autogo_m2d(dev):
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"""P2P autonomous GO and clients not authorized"""
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autogo(dev[0], freq="2412")
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go_addr = dev[0].p2p_dev_addr()
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dev[1].request("SET p2p_no_group_iface 0")
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if not dev[1].discover_peer(go_addr, social=True):
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raise Exception("GO " + go_addr + " not found")
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dev[1].dump_monitor()
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if not dev[2].discover_peer(go_addr, social=True):
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raise Exception("GO " + go_addr + " not found")
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dev[2].dump_monitor()
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logger.info("Trying to join the group when GO has not authorized the client")
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pin = dev[1].wps_read_pin()
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cmd = "P2P_CONNECT " + go_addr + " " + pin + " join"
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if "OK" not in dev[1].global_request(cmd):
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raise Exception("P2P_CONNECT join failed")
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pin = dev[2].wps_read_pin()
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cmd = "P2P_CONNECT " + go_addr + " " + pin + " join"
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if "OK" not in dev[2].global_request(cmd):
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raise Exception("P2P_CONNECT join failed")
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ev = dev[1].wait_global_event(["WPS-M2D"], timeout=10)
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if ev is None:
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raise Exception("No global M2D event")
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ifaces = dev[1].request("INTERFACES").splitlines()
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iface = ifaces[0] if "p2p-wlan" in ifaces[0] else ifaces[1]
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wpas = WpaSupplicant(ifname=iface)
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ev = wpas.wait_event(["WPS-M2D"], timeout=10)
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if ev is None:
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raise Exception("No M2D event on group interface")
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ev = dev[2].wait_global_event(["WPS-M2D"], timeout=10)
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if ev is None:
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raise Exception("No global M2D event (2)")
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ev = dev[2].wait_event(["WPS-M2D"], timeout=10)
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if ev is None:
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raise Exception("No M2D event on group interface (2)")
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def test_autogo_fail(dev):
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"""P2P autonomous GO and incorrect PIN"""
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autogo(dev[0], freq="2412")
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go_addr = dev[0].p2p_dev_addr()
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dev[0].p2p_go_authorize_client("00000000")
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dev[1].request("SET p2p_no_group_iface 0")
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if not dev[1].discover_peer(go_addr, social=True):
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raise Exception("GO " + go_addr + " not found")
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dev[1].dump_monitor()
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logger.info("Trying to join the group when GO has not authorized the client")
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pin = dev[1].wps_read_pin()
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cmd = "P2P_CONNECT " + go_addr + " " + pin + " join"
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if "OK" not in dev[1].global_request(cmd):
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raise Exception("P2P_CONNECT join failed")
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ev = dev[1].wait_global_event(["WPS-FAIL"], timeout=10)
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if ev is None:
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raise Exception("No global WPS-FAIL event")
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def test_autogo_2cli(dev):
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"""P2P autonomous GO and two clients joining group"""
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autogo(dev[0])
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connect_cli(dev[0], dev[1])
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connect_cli(dev[0], dev[2])
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hwsim_utils.test_connectivity_p2p(dev[1], dev[2])
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dev[0].global_request("P2P_REMOVE_CLIENT " + dev[1].p2p_dev_addr())
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dev[1].wait_go_ending_session()
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dev[0].remove_group()
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dev[2].wait_go_ending_session()
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def test_autogo_pbc(dev):
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"""P2P autonomous GO and PBC"""
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dev[1].request("SET p2p_no_group_iface 0")
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autogo(dev[0], freq="2412")
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if "FAIL" not in dev[0].group_request("WPS_PBC p2p_dev_addr=00:11:22:33:44"):
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raise Exception("Invalid WPS_PBC succeeded")
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if "OK" not in dev[0].group_request("WPS_PBC p2p_dev_addr=" + dev[1].p2p_dev_addr()):
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raise Exception("WPS_PBC failed")
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dev[2].p2p_connect_group(dev[0].p2p_dev_addr(), "pbc", timeout=0,
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social=True)
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ev = dev[2].wait_event(["WPS-M2D"], timeout=15)
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if ev is None:
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raise Exception("WPS-M2D not reported")
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if "config_error=12" not in ev:
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raise Exception("Unexpected config_error: " + ev)
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dev[1].p2p_connect_group(dev[0].p2p_dev_addr(), "pbc", timeout=15,
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social=True)
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def test_autogo_tdls(dev):
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"""P2P autonomous GO and two clients using TDLS"""
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wt = Wlantest()
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go = dev[0]
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logger.info("Start autonomous GO with fixed parameters " + go.ifname)
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id = go.add_network()
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go.set_network_quoted(id, "ssid", "DIRECT-tdls")
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go.set_network_quoted(id, "psk", "12345678")
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go.set_network(id, "mode", "3")
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go.set_network(id, "disabled", "2")
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res = go.p2p_start_go(persistent=id)
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logger.debug("res: " + str(res))
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wt.flush()
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wt.add_passphrase("12345678")
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connect_cli(go, dev[1])
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connect_cli(go, dev[2])
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hwsim_utils.test_connectivity_p2p(dev[1], dev[2])
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bssid = dev[0].p2p_interface_addr()
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addr1 = dev[1].p2p_interface_addr()
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addr2 = dev[2].p2p_interface_addr()
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dev[1].tdls_setup(addr2)
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time.sleep(1)
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hwsim_utils.test_connectivity_p2p(dev[1], dev[2])
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conf = wt.get_tdls_counter("setup_conf_ok", bssid, addr1, addr2);
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if conf == 0:
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raise Exception("No TDLS Setup Confirm (success) seen")
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dl = wt.get_tdls_counter("valid_direct_link", bssid, addr1, addr2);
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if dl == 0:
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raise Exception("No valid frames through direct link")
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wt.tdls_clear(bssid, addr1, addr2);
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dev[1].tdls_teardown(addr2)
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time.sleep(1)
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teardown = wt.get_tdls_counter("teardown", bssid, addr1, addr2);
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if teardown == 0:
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raise Exception("No TDLS Setup Teardown seen")
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wt.tdls_clear(bssid, addr1, addr2);
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hwsim_utils.test_connectivity_p2p(dev[1], dev[2])
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ap_path = wt.get_tdls_counter("valid_ap_path", bssid, addr1, addr2);
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if ap_path == 0:
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raise Exception("No valid frames via AP path")
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direct_link = wt.get_tdls_counter("valid_direct_link", bssid, addr1, addr2);
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if direct_link > 0:
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raise Exception("Unexpected frames through direct link")
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idirect_link = wt.get_tdls_counter("invalid_direct_link", bssid, addr1,
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addr2);
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if idirect_link > 0:
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raise Exception("Unexpected frames through direct link (invalid)")
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dev[2].remove_group()
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dev[1].remove_group()
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dev[0].remove_group()
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def test_autogo_legacy(dev):
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"""P2P autonomous GO and legacy clients"""
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res = autogo(dev[0])
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if dev[0].get_group_status_field("passphrase", extra="WPS") != res['passphrase']:
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raise Exception("passphrase mismatch")
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logger.info("Connect P2P client")
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connect_cli(dev[0], dev[1])
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logger.info("Connect legacy WPS client")
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pin = dev[2].wps_read_pin()
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dev[0].p2p_go_authorize_client(pin)
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dev[2].request("P2P_SET disabled 1")
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dev[2].dump_monitor()
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dev[2].request("WPS_PIN any " + pin)
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ev = dev[2].wait_event(["CTRL-EVENT-CONNECTED"], timeout=30)
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if ev is None:
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raise Exception("Association with the GO timed out")
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status = dev[2].get_status()
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if status['wpa_state'] != 'COMPLETED':
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raise Exception("Not fully connected")
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hwsim_utils.test_connectivity_p2p_sta(dev[1], dev[2])
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dev[2].request("DISCONNECT")
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logger.info("Connect legacy non-WPS client")
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dev[2].request("FLUSH")
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dev[2].request("P2P_SET disabled 1")
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dev[2].connect(ssid=res['ssid'], psk=res['passphrase'], proto='RSN',
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key_mgmt='WPA-PSK', pairwise='CCMP', group='CCMP',
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scan_freq=res['freq'])
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hwsim_utils.test_connectivity_p2p_sta(dev[1], dev[2])
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dev[2].request("DISCONNECT")
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dev[0].remove_group()
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dev[1].wait_go_ending_session()
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def test_autogo_chan_switch(dev):
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"""P2P autonomous GO switching channels"""
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autogo(dev[0], freq=2417)
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connect_cli(dev[0], dev[1])
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res = dev[0].request("CHAN_SWITCH 5 2422")
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if "FAIL" in res:
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# for now, skip test since mac80211_hwsim support is not yet widely
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# deployed
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return 'skip'
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ev = dev[0].wait_event(["AP-CSA-FINISHED"], timeout=10)
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if ev is None:
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raise Exception("CSA finished event timed out")
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if "freq=2422" not in ev:
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raise Exception("Unexpected cahnnel in CSA finished event")
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dev[0].dump_monitor()
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dev[1].dump_monitor()
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time.sleep(0.1)
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hwsim_utils.test_connectivity_p2p(dev[0], dev[1])
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def test_autogo_extra_cred(dev):
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"""P2P autonomous GO sending two WPS credentials"""
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if "FAIL" in dev[0].request("SET wps_testing_dummy_cred 1"):
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raise Exception("Failed to enable test mode")
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autogo(dev[0])
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connect_cli(dev[0], dev[1])
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dev[0].remove_group()
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dev[1].wait_go_ending_session()
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def test_autogo_ifdown(dev):
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"""P2P autonomous GO and external ifdown"""
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add("wlan5")
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res = autogo(wpas)
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wpas.dump_monitor()
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wpas.interface_remove("wlan5")
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wpas.interface_add("wlan5")
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res = autogo(wpas)
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wpas.dump_monitor()
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subprocess.call(['sudo', 'ifconfig', res['ifname'], 'down'])
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ev = wpas.wait_global_event(["P2P-GROUP-REMOVED"], timeout=10)
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if ev is None:
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raise Exception("Group removal not reported")
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if res['ifname'] not in ev:
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raise Exception("Unexpected group removal event: " + ev)
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def test_autogo_start_during_scan(dev):
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"""P2P autonomous GO started during ongoing manual scan"""
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try:
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# use autoscan to set scan_req = MANUAL_SCAN_REQ
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if "OK" not in dev[0].request("AUTOSCAN periodic:1"):
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raise Exception("Failed to set autoscan")
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autogo(dev[0])
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connect_cli(dev[0], dev[1])
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dev[0].remove_group()
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dev[1].wait_go_ending_session()
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finally:
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dev[0].request("AUTOSCAN ")
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