1017 lines
40 KiB
Python
1017 lines
40 KiB
Python
# Open mode AP tests
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# Copyright (c) 2014, Qualcomm Atheros, Inc.
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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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from remotehost import remote_compatible
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import logging
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logger = logging.getLogger()
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import struct
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import subprocess
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import time
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import os
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import hostapd
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import hwsim_utils
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from tshark import run_tshark
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from utils import *
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from wpasupplicant import WpaSupplicant
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from wlantest import WlantestCapture
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@remote_compatible
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def test_ap_open(dev, apdev):
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"""AP with open mode (no security) configuration"""
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_test_ap_open(dev, apdev)
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def _test_ap_open(dev, apdev):
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
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bg_scan_period="0")
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ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
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if ev is None:
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raise Exception("No connection event received from hostapd")
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hwsim_utils.test_connectivity(dev[0], hapd)
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dev[0].request("DISCONNECT")
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ev = hapd.wait_event(["AP-STA-DISCONNECTED"], timeout=5)
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if ev is None:
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raise Exception("No disconnection event received from hostapd")
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def test_ap_open_packet_loss(dev, apdev):
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"""AP with open mode configuration and large packet loss"""
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params = {"ssid": "open",
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"ignore_probe_probability": "0.5",
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"ignore_auth_probability": "0.5",
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"ignore_assoc_probability": "0.5",
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"ignore_reassoc_probability": "0.5"}
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hapd = hostapd.add_ap(apdev[0], params)
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for i in range(0, 3):
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dev[i].connect("open", key_mgmt="NONE", scan_freq="2412",
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wait_connect=False)
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for i in range(0, 3):
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dev[i].wait_connected(timeout=20)
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@remote_compatible
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def test_ap_open_unknown_action(dev, apdev):
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"""AP with open mode configuration and unknown Action frame"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
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bssid = apdev[0]['bssid']
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cmd = "MGMT_TX {} {} freq=2412 action=765432".format(bssid, bssid)
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if "FAIL" in dev[0].request(cmd):
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raise Exception("Could not send test Action frame")
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ev = dev[0].wait_event(["MGMT-TX-STATUS"], timeout=10)
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if ev is None:
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raise Exception("Timeout on MGMT-TX-STATUS")
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if "result=SUCCESS" not in ev:
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raise Exception("AP did not ack Action frame")
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def test_ap_open_invalid_wmm_action(dev, apdev):
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"""AP with open mode configuration and invalid WMM Action frame"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
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bssid = apdev[0]['bssid']
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cmd = "MGMT_TX {} {} freq=2412 action=1100".format(bssid, bssid)
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if "FAIL" in dev[0].request(cmd):
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raise Exception("Could not send test Action frame")
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ev = dev[0].wait_event(["MGMT-TX-STATUS"], timeout=10)
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if ev is None or "result=SUCCESS" not in ev:
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raise Exception("AP did not ack Action frame")
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@remote_compatible
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def test_ap_open_reconnect_on_inactivity_disconnect(dev, apdev):
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"""Reconnect to open mode AP after inactivity related disconnection"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
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hapd.request("DEAUTHENTICATE " + dev[0].p2p_interface_addr() + " reason=4")
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dev[0].wait_disconnected(timeout=5)
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dev[0].wait_connected(timeout=2, error="Timeout on reconnection")
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@remote_compatible
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def test_ap_open_assoc_timeout(dev, apdev):
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"""AP timing out association"""
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ssid = "test"
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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dev[0].scan(freq="2412")
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hapd.set("ext_mgmt_frame_handling", "1")
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
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wait_connect=False)
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for i in range(0, 10):
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req = hapd.mgmt_rx()
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if req is None:
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raise Exception("MGMT RX wait timed out")
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if req['subtype'] == 11:
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break
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req = None
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if not req:
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raise Exception("Authentication frame not received")
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resp = {}
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resp['fc'] = req['fc']
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resp['da'] = req['sa']
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resp['sa'] = req['da']
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resp['bssid'] = req['bssid']
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resp['payload'] = struct.pack('<HHH', 0, 2, 0)
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hapd.mgmt_tx(resp)
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assoc = 0
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for i in range(0, 10):
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req = hapd.mgmt_rx()
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if req is None:
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raise Exception("MGMT RX wait timed out")
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if req['subtype'] == 0:
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assoc += 1
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if assoc == 3:
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break
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if assoc != 3:
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raise Exception("Association Request frames not received: assoc=%d" % assoc)
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hapd.set("ext_mgmt_frame_handling", "0")
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dev[0].wait_connected(timeout=15)
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def test_ap_open_auth_drop_sta(dev, apdev):
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"""AP dropping station after successful authentication"""
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hapd = hostapd.add_ap(apdev[0]['ifname'], {"ssid": "open"})
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dev[0].scan(freq="2412")
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hapd.set("ext_mgmt_frame_handling", "1")
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
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wait_connect=False)
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for i in range(0, 10):
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req = hapd.mgmt_rx()
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if req is None:
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raise Exception("MGMT RX wait timed out")
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if req['subtype'] == 11:
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break
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req = None
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if not req:
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raise Exception("Authentication frame not received")
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# turn off before sending successful response
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hapd.set("ext_mgmt_frame_handling", "0")
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resp = {}
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resp['fc'] = req['fc']
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resp['da'] = req['sa']
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resp['sa'] = req['da']
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resp['bssid'] = req['bssid']
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resp['payload'] = struct.pack('<HHH', 0, 2, 0)
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hapd.mgmt_tx(resp)
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dev[0].wait_connected(timeout=15)
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@remote_compatible
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def test_ap_open_id_str(dev, apdev):
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"""AP with open mode and id_str"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412", id_str="foo",
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wait_connect=False)
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ev = dev[0].wait_connected(timeout=10)
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if "id_str=foo" not in ev:
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raise Exception("CTRL-EVENT-CONNECT did not have matching id_str: " + ev)
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if dev[0].get_status_field("id_str") != "foo":
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raise Exception("id_str mismatch")
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@remote_compatible
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def test_ap_open_select_any(dev, apdev):
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"""AP with open mode and select any network"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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id = dev[0].connect("unknown", key_mgmt="NONE", scan_freq="2412",
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only_add_network=True)
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
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only_add_network=True)
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dev[0].select_network(id)
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ev = dev[0].wait_event(["CTRL-EVENT-NETWORK-NOT-FOUND",
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"CTRL-EVENT-CONNECTED"], timeout=10)
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if ev is None:
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raise Exception("No result reported")
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if "CTRL-EVENT-CONNECTED" in ev:
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raise Exception("Unexpected connection")
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dev[0].select_network("any")
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dev[0].wait_connected(timeout=10)
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@remote_compatible
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def test_ap_open_unexpected_assoc_event(dev, apdev):
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"""AP with open mode and unexpected association event"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
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dev[0].request("DISCONNECT")
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dev[0].wait_disconnected(timeout=15)
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dev[0].dump_monitor()
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# This association will be ignored by wpa_supplicant since the current
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# state is not to try to connect after that DISCONNECT command.
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dev[0].cmd_execute(['iw', 'dev', dev[0].ifname, 'connect', 'open', "2412",
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apdev[0]['bssid']])
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ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.3)
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dev[0].cmd_execute(['iw', 'dev', dev[0].ifname, 'disconnect'])
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dev[0].dump_monitor()
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if ev is not None:
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raise Exception("Unexpected connection")
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def test_ap_open_external_assoc(dev, apdev):
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"""AP with open mode and external association"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open-ext-assoc"})
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try:
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dev[0].request("STA_AUTOCONNECT 0")
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id = dev[0].connect("open-ext-assoc", key_mgmt="NONE", scan_freq="2412",
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only_add_network=True)
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dev[0].request("ENABLE_NETWORK %s no-connect" % id)
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dev[0].dump_monitor()
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# This will be accepted due to matching network
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dev[0].cmd_execute(['iw', 'dev', dev[0].ifname, 'connect',
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'open-ext-assoc', "2412", apdev[0]['bssid']])
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ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED",
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"CTRL-EVENT-CONNECTED"], timeout=10)
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if ev is None:
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raise Exception("Connection timed out")
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if "CTRL-EVENT-DISCONNECTED" in ev:
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raise Exception("Unexpected disconnection event")
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dev[0].dump_monitor()
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dev[0].request("DISCONNECT")
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dev[0].wait_disconnected(timeout=5)
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finally:
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dev[0].request("STA_AUTOCONNECT 1")
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@remote_compatible
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def test_ap_bss_load(dev, apdev):
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"""AP with open mode (no security) configuration"""
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hapd = hostapd.add_ap(apdev[0],
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{"ssid": "open",
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"bss_load_update_period": "10",
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"chan_util_avg_period": "20"})
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
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# this does not really get much useful output with mac80211_hwsim currently,
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# but run through the channel survey update couple of times
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for i in range(0, 10):
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hwsim_utils.test_connectivity(dev[0], hapd)
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hwsim_utils.test_connectivity(dev[0], hapd)
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hwsim_utils.test_connectivity(dev[0], hapd)
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time.sleep(0.15)
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avg = hapd.get_status_field("chan_util_avg")
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if avg is None:
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raise Exception("No STATUS chan_util_avg seen")
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def test_ap_bss_load_fail(dev, apdev):
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"""BSS Load update failing to get survey data"""
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hapd = hostapd.add_ap(apdev[0],
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{"ssid": "open",
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"bss_load_update_period": "1"})
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with fail_test(hapd, 1, "wpa_driver_nl80211_get_survey"):
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wait_fail_trigger(hapd, "GET_FAIL")
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def hapd_out_of_mem(hapd, apdev, count, func):
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with alloc_fail(hapd, count, func):
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started = False
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try:
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hostapd.add_ap(apdev, {"ssid": "open"})
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started = True
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except:
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pass
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if started:
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raise Exception("hostapd interface started even with memory allocation failure: %d:%s" % (count, func))
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def test_ap_open_out_of_memory(dev, apdev):
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"""hostapd failing to setup interface due to allocation failure"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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flags2 = hapd.request("DRIVER_FLAGS2").splitlines()[1:]
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hapd_out_of_mem(hapd, apdev[1], 1, "hostapd_alloc_bss_data")
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for i in range(1, 3):
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hapd_out_of_mem(hapd, apdev[1], i, "hostapd_iface_alloc")
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for i in range(1, 5):
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hapd_out_of_mem(hapd, apdev[1], i, "hostapd_config_defaults;hostapd_config_alloc")
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hapd_out_of_mem(hapd, apdev[1], 1, "hostapd_config_alloc")
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hapd_out_of_mem(hapd, apdev[1], 1, "hostapd_driver_init")
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for i in range(1, 3):
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hapd_out_of_mem(hapd, apdev[1], i, "=wpa_driver_nl80211_drv_init")
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if 'CONTROL_PORT_RX' not in flags2:
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# eloop_register_read_sock() call from i802_init()
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hapd_out_of_mem(hapd, apdev[1], 1, "eloop_sock_table_add_sock;?eloop_register_sock;?eloop_register_read_sock;=i802_init")
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# verify that a new interface can still be added when memory allocation does
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# not fail
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hostapd.add_ap(apdev[1], {"ssid": "open"})
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def test_bssid_ignore_accept(dev, apdev):
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"""BSSID ignore/accept list"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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hapd2 = hostapd.add_ap(apdev[1], {"ssid": "open"})
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
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bssid_accept=apdev[1]['bssid'])
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dev[1].connect("open", key_mgmt="NONE", scan_freq="2412",
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bssid_ignore=apdev[1]['bssid'])
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dev[2].connect("open", key_mgmt="NONE", scan_freq="2412",
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bssid_accept="00:00:00:00:00:00/00:00:00:00:00:00",
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bssid_ignore=apdev[1]['bssid'])
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if dev[0].get_status_field('bssid') != apdev[1]['bssid']:
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raise Exception("dev[0] connected to unexpected AP")
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if dev[1].get_status_field('bssid') != apdev[0]['bssid']:
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raise Exception("dev[1] connected to unexpected AP")
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if dev[2].get_status_field('bssid') != apdev[0]['bssid']:
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raise Exception("dev[2] connected to unexpected AP")
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dev[0].request("REMOVE_NETWORK all")
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dev[1].request("REMOVE_NETWORK all")
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dev[2].request("REMOVE_NETWORK all")
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dev[2].connect("open", key_mgmt="NONE", scan_freq="2412",
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bssid_accept="00:00:00:00:00:00", wait_connect=False)
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
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bssid_accept="11:22:33:44:55:66/ff:00:00:00:00:00 " + apdev[1]['bssid'] + " aa:bb:cc:dd:ee:ff")
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dev[1].connect("open", key_mgmt="NONE", scan_freq="2412",
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bssid_ignore="11:22:33:44:55:66/ff:00:00:00:00:00 " + apdev[1]['bssid'] + " aa:bb:cc:dd:ee:ff")
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if dev[0].get_status_field('bssid') != apdev[1]['bssid']:
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raise Exception("dev[0] connected to unexpected AP")
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if dev[1].get_status_field('bssid') != apdev[0]['bssid']:
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raise Exception("dev[1] connected to unexpected AP")
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dev[0].request("REMOVE_NETWORK all")
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dev[1].request("REMOVE_NETWORK all")
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ev = dev[2].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.1)
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if ev is not None:
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raise Exception("Unexpected dev[2] connectin")
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dev[2].request("REMOVE_NETWORK all")
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def test_ap_open_wpas_in_bridge(dev, apdev):
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"""Open mode AP and wpas interface in a bridge"""
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br_ifname = 'sta-br0'
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ifname = 'wlan5'
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try:
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_test_ap_open_wpas_in_bridge(dev, apdev)
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finally:
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subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down'])
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subprocess.call(['brctl', 'delif', br_ifname, ifname])
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subprocess.call(['brctl', 'delbr', br_ifname])
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subprocess.call(['iw', ifname, 'set', '4addr', 'off'])
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def _test_ap_open_wpas_in_bridge(dev, apdev):
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
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br_ifname = 'sta-br0'
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ifname = 'wlan5'
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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# First, try a failure case of adding an interface
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try:
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wpas.interface_add(ifname, br_ifname=br_ifname)
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raise Exception("Interface addition succeeded unexpectedly")
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except Exception as e:
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if "Failed to add" in str(e):
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logger.info("Ignore expected interface_add failure due to missing bridge interface: " + str(e))
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else:
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raise
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# Next, add the bridge interface and add the interface again
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subprocess.call(['brctl', 'addbr', br_ifname])
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subprocess.call(['brctl', 'setfd', br_ifname, '0'])
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subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up'])
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subprocess.call(['iw', ifname, 'set', '4addr', 'on'])
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subprocess.check_call(['brctl', 'addif', br_ifname, ifname])
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wpas.interface_add(ifname, br_ifname=br_ifname)
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wpas.connect("open", key_mgmt="NONE", scan_freq="2412")
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@remote_compatible
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def test_ap_open_start_disabled(dev, apdev):
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"""AP with open mode and beaconing disabled"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open",
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"start_disabled": "1"})
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bssid = apdev[0]['bssid']
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dev[0].flush_scan_cache()
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dev[0].scan(freq=2412, only_new=True)
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if dev[0].get_bss(bssid) is not None:
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raise Exception("AP was seen beaconing")
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if "OK" not in hapd.request("RELOAD"):
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raise Exception("RELOAD failed")
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dev[0].scan_for_bss(bssid, freq=2412)
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
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@remote_compatible
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def test_ap_open_start_disabled2(dev, apdev):
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"""AP with open mode and beaconing disabled (2)"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "open",
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"start_disabled": "1"})
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bssid = apdev[0]['bssid']
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dev[0].flush_scan_cache()
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dev[0].scan(freq=2412, only_new=True)
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if dev[0].get_bss(bssid) is not None:
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raise Exception("AP was seen beaconing")
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if "OK" not in hapd.request("UPDATE_BEACON"):
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|
raise Exception("UPDATE_BEACON failed")
|
|
dev[0].scan_for_bss(bssid, freq=2412)
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
if "OK" not in hapd.request("UPDATE_BEACON"):
|
|
raise Exception("UPDATE_BEACON failed")
|
|
dev[0].request("DISCONNECT")
|
|
dev[0].wait_disconnected()
|
|
dev[0].request("RECONNECT")
|
|
dev[0].wait_connected()
|
|
|
|
@remote_compatible
|
|
def test_ap_open_ifdown(dev, apdev):
|
|
"""AP with open mode and external ifconfig down"""
|
|
params = {"ssid": "open",
|
|
"ap_max_inactivity": "1"}
|
|
hapd = hostapd.add_ap(apdev[0], params)
|
|
bssid = apdev[0]['bssid']
|
|
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
dev[1].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
hapd.cmd_execute(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'down'])
|
|
ev = hapd.wait_event(["AP-STA-DISCONNECTED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Timeout on AP-STA-DISCONNECTED (1)")
|
|
ev = hapd.wait_event(["AP-STA-DISCONNECTED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("Timeout on AP-STA-DISCONNECTED (2)")
|
|
ev = hapd.wait_event(["INTERFACE-DISABLED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("No INTERFACE-DISABLED event")
|
|
# The following wait tests beacon loss detection in mac80211 on dev0.
|
|
# dev1 is used to test stopping of AP side functionality on client polling.
|
|
dev[1].request("REMOVE_NETWORK all")
|
|
hapd.cmd_execute(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'up'])
|
|
dev[0].wait_disconnected()
|
|
dev[1].wait_disconnected()
|
|
ev = hapd.wait_event(["INTERFACE-ENABLED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("No INTERFACE-ENABLED event")
|
|
dev[0].wait_connected()
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
|
|
def test_ap_open_disconnect_in_ps(dev, apdev, params):
|
|
"""Disconnect with the client in PS to regression-test a kernel bug"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
bg_scan_period="0")
|
|
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("No connection event received from hostapd")
|
|
|
|
time.sleep(0.2)
|
|
# enable power save mode
|
|
hwsim_utils.set_powersave(dev[0], hwsim_utils.PS_ENABLED)
|
|
time.sleep(0.1)
|
|
try:
|
|
# inject some traffic
|
|
sa = hapd.own_addr()
|
|
da = dev[0].own_addr()
|
|
hapd.request('DATA_TEST_CONFIG 1')
|
|
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(0.3)
|
|
|
|
# disconnect - with traffic pending - shouldn't cause kernel warnings
|
|
dev[0].request("DISCONNECT")
|
|
finally:
|
|
hwsim_utils.set_powersave(dev[0], hwsim_utils.PS_DISABLED)
|
|
|
|
time.sleep(0.2)
|
|
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
|
|
"wlan_mgt.tim.partial_virtual_bitmap",
|
|
["wlan_mgt.tim.partial_virtual_bitmap"])
|
|
if out is not None:
|
|
state = 0
|
|
for l in out.splitlines():
|
|
pvb = int(l, 16)
|
|
if pvb > 0 and state == 0:
|
|
state = 1
|
|
elif pvb == 0 and state == 1:
|
|
state = 2
|
|
if state != 2:
|
|
raise Exception("Didn't observe TIM bit getting set and unset (state=%d)" % state)
|
|
|
|
def test_ap_open_sta_ps(dev, apdev):
|
|
"""Station power save operation"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
bg_scan_period="0")
|
|
hapd.wait_sta()
|
|
|
|
time.sleep(0.2)
|
|
try:
|
|
dev[0].cmd_execute(['iw', 'dev', dev[0].ifname,
|
|
'set', 'power_save', 'on'])
|
|
run_ap_open_sta_ps(dev, hapd)
|
|
finally:
|
|
dev[0].cmd_execute(['iw', 'dev', dev[0].ifname,
|
|
'set', 'power_save', 'off'])
|
|
|
|
def run_ap_open_sta_ps(dev, hapd):
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
# Give time to enter PS
|
|
time.sleep(0.2)
|
|
|
|
phyname = dev[0].get_driver_status_field("phyname")
|
|
hw_conf = '/sys/kernel/debug/ieee80211/' + phyname + '/hw_conf'
|
|
|
|
try:
|
|
ok = False
|
|
for i in range(10):
|
|
with open(hw_conf, 'r') as f:
|
|
val = int(f.read())
|
|
if val & 2:
|
|
ok = True
|
|
break
|
|
time.sleep(0.2)
|
|
|
|
if not ok:
|
|
raise Exception("STA did not enter power save")
|
|
|
|
dev[0].dump_monitor()
|
|
hapd.dump_monitor()
|
|
hapd.request("DEAUTHENTICATE " + dev[0].own_addr())
|
|
dev[0].wait_disconnected()
|
|
except FileNotFoundError:
|
|
raise HwsimSkip("Kernel does not support inspecting HW PS state")
|
|
|
|
def test_ap_open_ps_mc_buf(dev, apdev, params):
|
|
"""Multicast buffering with a station in power save"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
bg_scan_period="0")
|
|
hapd.wait_sta()
|
|
|
|
buffered_mcast = 0
|
|
try:
|
|
dev[0].cmd_execute(['iw', 'dev', dev[0].ifname,
|
|
'set', 'power_save', 'on'])
|
|
# Give time to enter PS
|
|
time.sleep(0.3)
|
|
|
|
for i in range(10):
|
|
# Verify that multicast frames are released
|
|
hwsim_utils.run_multicast_connectivity_test(hapd, dev[0])
|
|
|
|
# Check frames were buffered until DTIM
|
|
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
|
|
"wlan.fc.type_subtype == 0x0008",
|
|
["wlan.tim.bmapctl.multicast"])
|
|
for line in out.splitlines():
|
|
buffered_mcast = int(line)
|
|
if buffered_mcast == 1:
|
|
break
|
|
if buffered_mcast == 1:
|
|
break
|
|
finally:
|
|
dev[0].cmd_execute(['iw', 'dev', dev[0].ifname,
|
|
'set', 'power_save', 'off'])
|
|
|
|
if buffered_mcast != 1:
|
|
raise Exception("AP did not buffer multicast frames")
|
|
|
|
@remote_compatible
|
|
def test_ap_open_select_network(dev, apdev):
|
|
"""Open mode connection and SELECT_NETWORK to change network"""
|
|
hapd1 = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
bssid1 = apdev[0]['bssid']
|
|
hapd2 = hostapd.add_ap(apdev[1], {"ssid": "open2"})
|
|
bssid2 = apdev[1]['bssid']
|
|
|
|
id1 = dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
only_add_network=True)
|
|
id2 = dev[0].connect("open2", key_mgmt="NONE", scan_freq="2412")
|
|
hwsim_utils.test_connectivity(dev[0], hapd2)
|
|
|
|
dev[0].select_network(id1)
|
|
dev[0].wait_connected()
|
|
res = dev[0].request("BSSID_IGNORE")
|
|
if bssid1 in res or bssid2 in res:
|
|
raise Exception("Unexpected BSSID ignore list entry")
|
|
hwsim_utils.test_connectivity(dev[0], hapd1)
|
|
|
|
dev[0].select_network(id2)
|
|
dev[0].wait_connected()
|
|
hwsim_utils.test_connectivity(dev[0], hapd2)
|
|
res = dev[0].request("BSSID_IGNORE")
|
|
if bssid1 in res or bssid2 in res:
|
|
raise Exception("Unexpected BSSID ignore list entry(2)")
|
|
|
|
@remote_compatible
|
|
def test_ap_open_disable_enable(dev, apdev):
|
|
"""AP with open mode getting disabled and re-enabled"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
bg_scan_period="0")
|
|
|
|
for i in range(2):
|
|
hapd.request("DISABLE")
|
|
dev[0].wait_disconnected()
|
|
hapd.request("ENABLE")
|
|
dev[0].wait_connected()
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
|
|
def sta_enable_disable(dev, bssid):
|
|
dev.scan_for_bss(bssid, freq=2412)
|
|
work_id = dev.request("RADIO_WORK add block-work")
|
|
ev = dev.wait_event(["EXT-RADIO-WORK-START"])
|
|
if ev is None:
|
|
raise Exception("Timeout while waiting radio work to start")
|
|
id = dev.connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
only_add_network=True)
|
|
dev.request("ENABLE_NETWORK %d" % id)
|
|
if "connect@" not in dev.request("RADIO_WORK show"):
|
|
raise Exception("connect radio work missing")
|
|
dev.request("DISABLE_NETWORK %d" % id)
|
|
dev.request("RADIO_WORK done " + work_id)
|
|
|
|
ok = False
|
|
for i in range(30):
|
|
if "connect@" not in dev.request("RADIO_WORK show"):
|
|
ok = True
|
|
break
|
|
time.sleep(0.1)
|
|
if not ok:
|
|
raise Exception("connect radio work not completed")
|
|
ev = dev.wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected connection")
|
|
dev.request("DISCONNECT")
|
|
|
|
def test_ap_open_sta_enable_disable(dev, apdev):
|
|
"""AP with open mode and wpa_supplicant ENABLE/DISABLE_NETWORK"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
bssid = apdev[0]['bssid']
|
|
|
|
sta_enable_disable(dev[0], bssid)
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
|
|
sta_enable_disable(wpas, bssid)
|
|
|
|
@remote_compatible
|
|
def test_ap_open_select_twice(dev, apdev):
|
|
"""AP with open mode and select network twice"""
|
|
id = dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
only_add_network=True)
|
|
dev[0].select_network(id)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-NETWORK-NOT-FOUND"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("No result reported")
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
# Verify that the second SELECT_NETWORK starts a new scan immediately by
|
|
# waiting less than the default scan period.
|
|
dev[0].select_network(id)
|
|
dev[0].wait_connected(timeout=3)
|
|
|
|
@remote_compatible
|
|
def test_ap_open_reassoc_not_found(dev, apdev):
|
|
"""AP with open mode and REASSOCIATE not finding a match"""
|
|
id = dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
only_add_network=True)
|
|
dev[0].select_network(id)
|
|
ev = dev[0].wait_event(["CTRL-EVENT-NETWORK-NOT-FOUND"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("No result reported")
|
|
dev[0].request("DISCONNECT")
|
|
|
|
time.sleep(0.1)
|
|
dev[0].dump_monitor()
|
|
|
|
dev[0].request("REASSOCIATE")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-NETWORK-NOT-FOUND"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("No result reported")
|
|
dev[0].request("DISCONNECT")
|
|
|
|
@remote_compatible
|
|
def test_ap_open_sta_statistics(dev, apdev):
|
|
"""AP with open mode and STA statistics"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
addr = dev[0].own_addr()
|
|
|
|
stats1 = hapd.get_sta(addr)
|
|
logger.info("stats1: " + str(stats1))
|
|
time.sleep(0.4)
|
|
stats2 = hapd.get_sta(addr)
|
|
logger.info("stats2: " + str(stats2))
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
stats3 = hapd.get_sta(addr)
|
|
logger.info("stats3: " + str(stats3))
|
|
|
|
# Cannot require specific inactive_msec changes without getting rid of all
|
|
# unrelated traffic, so for now, just print out the results in the log for
|
|
# manual checks.
|
|
|
|
@remote_compatible
|
|
def test_ap_open_poll_sta(dev, apdev):
|
|
"""AP with open mode and STA poll"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
addr = dev[0].own_addr()
|
|
|
|
if "OK" not in hapd.request("POLL_STA " + addr):
|
|
raise Exception("POLL_STA failed")
|
|
ev = hapd.wait_event(["AP-STA-POLL-OK"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("Poll response not seen")
|
|
if addr not in ev:
|
|
raise Exception("Unexpected poll response: " + ev)
|
|
|
|
def test_ap_open_poll_sta_no_ack(dev, apdev):
|
|
"""AP with open mode and STA poll without ACK"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
addr = dev[0].own_addr()
|
|
|
|
hapd.set("ext_mgmt_frame_handling", "1")
|
|
dev[0].request("DISCONNECT")
|
|
dev[0].wait_disconnected()
|
|
hapd.set("ext_mgmt_frame_handling", "0")
|
|
if "OK" not in hapd.request("POLL_STA " + addr):
|
|
raise Exception("POLL_STA failed")
|
|
ev = hapd.wait_event(["AP-STA-POLL-OK"], timeout=1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected poll response reported")
|
|
|
|
def test_ap_open_pmf_default(dev, apdev):
|
|
"""AP with open mode (no security) configuration and pmf=2"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
dev[1].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
ieee80211w="2", wait_connect=False)
|
|
dev[2].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
ieee80211w="1")
|
|
try:
|
|
dev[0].request("SET pmf 2")
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
|
|
dev[0].request("DISCONNECT")
|
|
dev[0].wait_disconnected()
|
|
finally:
|
|
dev[0].request("SET pmf 0")
|
|
dev[2].request("DISCONNECT")
|
|
dev[2].wait_disconnected()
|
|
|
|
ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected dev[1] connection")
|
|
dev[1].request("DISCONNECT")
|
|
|
|
def test_ap_open_drv_fail(dev, apdev):
|
|
"""AP with open mode and driver operations failing"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
|
|
with fail_test(dev[0], 1, "wpa_driver_nl80211_authenticate"):
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
wait_connect=False)
|
|
wait_fail_trigger(dev[0], "GET_FAIL")
|
|
dev[0].request("REMOVE_NETWORK all")
|
|
|
|
with fail_test(dev[0], 1, "wpa_driver_nl80211_associate"):
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
|
|
wait_connect=False)
|
|
wait_fail_trigger(dev[0], "GET_FAIL")
|
|
dev[0].request("REMOVE_NETWORK all")
|
|
|
|
def run_multicast_to_unicast(dev, apdev, convert):
|
|
params = {"ssid": "open"}
|
|
params["multicast_to_unicast"] = "1" if convert else "0"
|
|
hapd = hostapd.add_ap(apdev[0], params)
|
|
dev[0].scan_for_bss(hapd.own_addr(), freq=2412)
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("No connection event received from hostapd")
|
|
hwsim_utils.test_connectivity(dev[0], hapd, multicast_to_unicast=convert)
|
|
dev[0].request("DISCONNECT")
|
|
ev = hapd.wait_event(["AP-STA-DISCONNECTED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("No disconnection event received from hostapd")
|
|
|
|
def test_ap_open_multicast_to_unicast(dev, apdev):
|
|
"""Multicast-to-unicast conversion enabled"""
|
|
run_multicast_to_unicast(dev, apdev, True)
|
|
|
|
def test_ap_open_multicast_to_unicast_disabled(dev, apdev):
|
|
"""Multicast-to-unicast conversion disabled"""
|
|
run_multicast_to_unicast(dev, apdev, False)
|
|
|
|
def test_ap_open_drop_duplicate(dev, apdev, params):
|
|
"""AP dropping duplicate management frames"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open",
|
|
"interworking": "1"})
|
|
hapd.set("ext_mgmt_frame_handling", "1")
|
|
bssid = hapd.own_addr().replace(':', '')
|
|
addr = "020304050607"
|
|
auth = "b0003a01" + bssid + addr + bssid + '1000000001000000'
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % auth):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
auth = "b0083a01" + bssid + addr + bssid + '1000000001000000'
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % auth):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
|
|
ies = "00046f70656e010802040b160c12182432043048606c2d1a3c101bffff0000000000000000000001000000000000000000007f0a04000a020140004000013b155151525354737475767778797a7b7c7d7e7f808182dd070050f202000100"
|
|
assoc_req = "00003a01" + bssid + addr + bssid + "2000" + "21040500" + ies
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % assoc_req):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
assoc_req = "00083a01" + bssid + addr + bssid + "2000" + "21040500" + ies
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % assoc_req):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
reassoc_req = "20083a01" + bssid + addr + bssid + "2000" + "21040500" + ies
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % reassoc_req):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % reassoc_req):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
|
|
action = "d0003a01" + bssid + addr + bssid + "1000" + "040a006c0200000600000102000101"
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % action):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
|
|
action = "d0083a01" + bssid + addr + bssid + "1000" + "040a006c0200000600000102000101"
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=%s" % action):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
|
|
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
|
|
"wlan.fc.type == 0", ["wlan.fc.subtype"])
|
|
num_auth = 0
|
|
num_assoc = 0
|
|
num_reassoc = 0
|
|
num_action = 0
|
|
for subtype in out.splitlines():
|
|
val = int(subtype)
|
|
if val == 11:
|
|
num_auth += 1
|
|
elif val == 1:
|
|
num_assoc += 1
|
|
elif val == 3:
|
|
num_reassoc += 1
|
|
elif val == 13:
|
|
num_action += 1
|
|
if num_auth != 1:
|
|
raise Exception("Unexpected number of Authentication frames: %d" % num_auth)
|
|
if num_assoc != 1:
|
|
raise Exception("Unexpected number of association frames: %d" % num_assoc)
|
|
if num_reassoc != 1:
|
|
raise Exception("Unexpected number of reassociation frames: %d" % num_reassoc)
|
|
if num_action != 1:
|
|
raise Exception("Unexpected number of Action frames: %d" % num_action)
|
|
|
|
def test_ap_open_select_network_freq(dev, apdev):
|
|
"""AP with open mode and use for SELECT_NETWORK freq parameter"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
id = dev[0].connect("open", key_mgmt="NONE", only_add_network=True)
|
|
dev[0].select_network(id, freq=2412)
|
|
start = os.times()[4]
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("Scan not started")
|
|
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], timeout=15)
|
|
if ev is None:
|
|
raise Exception("Scan not completed")
|
|
end = os.times()[4]
|
|
logger.info("Scan duration: {} seconds".format(end - start))
|
|
if end - start > 3:
|
|
raise Exception("Scan took unexpectedly long time")
|
|
dev[0].wait_connected()
|
|
|
|
def test_ap_open_noncountry(dev, apdev):
|
|
"""AP with open mode and noncountry entity as Country String"""
|
|
_test_ap_open_country(dev, apdev, "XX", "0x58")
|
|
|
|
def test_ap_open_country_table_e4(dev, apdev):
|
|
"""AP with open mode and Table E-4 Country String"""
|
|
_test_ap_open_country(dev, apdev, "DE", "0x04")
|
|
|
|
def test_ap_open_country_indoor(dev, apdev):
|
|
"""AP with open mode and indoor country code"""
|
|
_test_ap_open_country(dev, apdev, "DE", "0x49")
|
|
|
|
def test_ap_open_country_outdoor(dev, apdev):
|
|
"""AP with open mode and outdoor country code"""
|
|
_test_ap_open_country(dev, apdev, "DE", "0x4f")
|
|
|
|
def _test_ap_open_country(dev, apdev, country_code, country3):
|
|
try:
|
|
hapd = None
|
|
hapd = run_ap_open_country(dev, apdev, country_code, country3)
|
|
finally:
|
|
clear_regdom(hapd, dev)
|
|
|
|
def run_ap_open_country(dev, apdev, country_code, country3):
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open",
|
|
"country_code": country_code,
|
|
"country3": country3,
|
|
"ieee80211d": "1"})
|
|
dev[0].scan_for_bss(hapd.own_addr(), freq=2412)
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
dev[0].wait_regdom(country_ie=True)
|
|
return hapd
|
|
|
|
def test_ap_open_disable_select(dev, apdev):
|
|
"""DISABLE_NETWORK for connected AP followed by SELECT_NETWORK"""
|
|
hapd1 = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
hapd2 = hostapd.add_ap(apdev[1], {"ssid": "open"})
|
|
id = dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
|
|
dev[0].request("DISABLE_NETWORK %d" % id)
|
|
dev[0].wait_disconnected()
|
|
res = dev[0].request("BSSID_IGNORE")
|
|
if hapd1.own_addr() in res or hapd2.own_addr() in res:
|
|
raise Exception("Unexpected BSSID ignore list entry added")
|
|
dev[0].request("SELECT_NETWORK %d" % id)
|
|
dev[0].wait_connected()
|
|
|
|
def test_ap_open_reassoc_same(dev, apdev):
|
|
"""AP with open mode and STA reassociating back to same AP without auth exchange"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
try:
|
|
dev[0].request("SET reassoc_same_bss_optim 1")
|
|
dev[0].request("REATTACH")
|
|
dev[0].wait_connected()
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
finally:
|
|
dev[0].request("SET reassoc_same_bss_optim 0")
|
|
|
|
def test_ap_open_no_reflection(dev, apdev):
|
|
"""AP with open mode, STA sending packets to itself"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
|
|
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("No connection event received from hostapd")
|
|
# test normal connectivity is OK
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
|
|
# test that we can't talk to ourselves
|
|
addr = dev[0].own_addr()
|
|
res = dev[0].request('DATA_TEST_CONFIG 1')
|
|
try:
|
|
assert 'OK' in res
|
|
|
|
cmd = "DATA_TEST_TX {} {} {}".format(addr, addr, 0)
|
|
dev[0].request(cmd)
|
|
|
|
ev = dev[0].wait_event(["DATA-TEST-RX"], timeout=1)
|
|
|
|
if ev is not None and "DATA-TEST-RX {} {}".format(addr, addr) in ev:
|
|
raise Exception("STA can unexpectedly talk to itself")
|
|
finally:
|
|
dev[0].request('DATA_TEST_CONFIG 0')
|
|
|
|
def test_ap_no_auth_ack(dev, apdev):
|
|
"""AP not receiving Authentication frame ACK"""
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open",
|
|
"ap_max_inactivity": "1"})
|
|
hapd.set("ext_mgmt_frame_handling", "1")
|
|
bssid = hapd.own_addr()
|
|
addr = "02:01:02:03:04:05"
|
|
frame = "b0003a01" + bssid.replace(':', '') + addr.replace(':', '') + bssid.replace(':', '') + "1000" + "000001000000"
|
|
if "OK" not in hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + frame):
|
|
raise Exception("MGMT_RX_PROCESS failed")
|
|
ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("TX status for Authentication frame not reported")
|
|
if "ok=0 buf=b0" not in ev:
|
|
raise Exception("Unexpected TX status contents: " + ev)
|
|
|
|
# wait for STA to be removed due to timeout
|
|
ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("TX status for Deauthentication frame not reported")
|
|
if "ok=0 buf=c0" not in ev:
|
|
raise Exception("Unexpected TX status contents (disconnect): " + ev)
|
|
|
|
def test_ap_open_layer_2_update(dev, apdev, params):
|
|
"""AP with open mode (no security) and Layer 2 Update frame"""
|
|
prefix = "ap_open_layer_2_update"
|
|
ifname = apdev[0]["ifname"]
|
|
cap = os.path.join(params['logdir'], prefix + "." + ifname + ".pcap")
|
|
|
|
hapd = hostapd.add_ap(apdev[0], {"ssid": "open"})
|
|
wt = WlantestCapture(ifname, cap)
|
|
time.sleep(1)
|
|
|
|
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
|
|
hapd.wait_sta()
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
time.sleep(1)
|
|
hwsim_utils.test_connectivity(dev[0], hapd)
|
|
time.sleep(0.5)
|
|
wt.close()
|
|
|
|
# Check for Layer 2 Update frame and unexpected frames from the station
|
|
# that did not fully complete authentication.
|
|
res = run_tshark(cap, "basicxid.llc.xid.format == 0x81",
|
|
["eth.src"], wait=False)
|
|
real_sta_seen = False
|
|
unexpected_sta_seen = False
|
|
real_addr = dev[0].own_addr()
|
|
for l in res.splitlines():
|
|
if l == real_addr:
|
|
real_sta_seen = True
|
|
else:
|
|
unexpected_sta_seen = True
|
|
if unexpected_sta_seen:
|
|
raise Exception("Layer 2 Update frame from unexpected STA seen")
|
|
if not real_sta_seen:
|
|
raise Exception("Layer 2 Update frame from real STA not seen")
|