mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-25 00:38:24 -05:00
e1246a6e2c
It looks like a previous P2P test case can cause the initial single channel scan in ap_open_select_twice take more than five seconds in some cases. While that is not really expected behavior, this test case should not fail. Increase the timeout to avoid reporting false failures here. This could be triggered with the following test case sequence: p2p_msg_unexpected_go_neg_resp ap_open_select_twice Signed-off-by: Jouni Malinen <j@w1.fi>
499 lines
20 KiB
Python
499 lines
20 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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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 alloc_fail
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from wpasupplicant import WpaSupplicant
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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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hapd = hostapd.add_ap(apdev[0]['ifname'], { "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]['ifname'], 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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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]['ifname'], { "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]['ifname'], { "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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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]['ifname'], { "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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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]['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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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_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]['ifname'], { "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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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]['ifname'], { "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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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]['ifname'], { "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 will be accepted due to matching network
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subprocess.call(['iw', 'dev', dev[0].ifname, 'connect', 'open', "2412",
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apdev[0]['bssid']])
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dev[0].wait_connected(timeout=15)
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dev[0].dump_monitor()
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dev[0].request("REMOVE_NETWORK all")
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dev[0].wait_disconnected(timeout=5)
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dev[0].dump_monitor()
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# This will result in disconnection due to no matching network
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subprocess.call(['iw', 'dev', dev[0].ifname, 'connect', 'open', "2412",
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apdev[0]['bssid']])
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dev[0].wait_disconnected(timeout=15)
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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]['ifname'],
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{ "ssid": "open",
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"bss_load_update_period": "10" })
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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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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['ifname'], { "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: " + arg)
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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]['ifname'], { "ssid": "open" })
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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, 4):
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hapd_out_of_mem(hapd, apdev[1], i, "=wpa_driver_nl80211_drv_init")
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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]['ifname'], { "ssid": "open" })
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def test_bssid_black_white_list(dev, apdev):
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"""BSSID black/white list"""
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hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" })
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hapd2 = hostapd.add_ap(apdev[1]['ifname'], { "ssid": "open" })
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
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bssid_whitelist=apdev[1]['bssid'])
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dev[1].connect("open", key_mgmt="NONE", scan_freq="2412",
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bssid_blacklist=apdev[1]['bssid'])
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dev[2].connect("open", key_mgmt="NONE", scan_freq="2412",
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bssid_whitelist="00:00:00:00:00:00/00:00:00:00:00:00",
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bssid_blacklist=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_whitelist="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_whitelist="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_blacklist="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]['ifname'], { "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, 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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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]['ifname'], { "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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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]['ifname'], { "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")
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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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if "OK" not in hapd.request("UPDATE_BEACON"):
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raise Exception("UPDATE_BEACON failed")
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dev[0].request("DISCONNECT")
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dev[0].wait_disconnected()
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dev[0].request("RECONNECT")
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dev[0].wait_connected()
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def test_ap_open_ifdown(dev, apdev):
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"""AP with open mode and external ifconfig down"""
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params = { "ssid": "open",
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"ap_max_inactivity": "1" }
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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bssid = apdev[0]['bssid']
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dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
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dev[1].connect("open", key_mgmt="NONE", scan_freq="2412")
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subprocess.call(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'down'])
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ev = hapd.wait_event(["AP-STA-DISCONNECTED"], timeout=10)
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if ev is None:
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raise Exception("Timeout on AP-STA-DISCONNECTED (1)")
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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("Timeout on AP-STA-DISCONNECTED (2)")
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ev = hapd.wait_event(["INTERFACE-DISABLED"], timeout=5)
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if ev is None:
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raise Exception("No INTERFACE-DISABLED event")
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# The following wait tests beacon loss detection in mac80211 on dev0.
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# dev1 is used to test stopping of AP side functionality on client polling.
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dev[1].request("REMOVE_NETWORK all")
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subprocess.call(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'up'])
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dev[0].wait_disconnected()
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dev[1].wait_disconnected()
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ev = hapd.wait_event(["INTERFACE-ENABLED"], timeout=10)
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if ev is None:
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raise Exception("No INTERFACE-ENABLED event")
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dev[0].wait_connected()
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ap_open_disconnect_in_ps(dev, apdev, params):
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"""Disconnect with the client in PS to regression-test a kernel bug"""
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hapd = hostapd.add_ap(apdev[0]['ifname'], { "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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time.sleep(0.2)
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hwsim_utils.set_powersave(dev[0], hwsim_utils.PS_MANUAL_POLL)
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try:
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# inject some traffic
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sa = hapd.own_addr()
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da = dev[0].own_addr()
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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_select_network(dev, apdev):
|
|
"""Open mode connection and SELECT_NETWORK to change network"""
|
|
hapd1 = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" })
|
|
bssid1 = apdev[0]['bssid']
|
|
hapd2 = hostapd.add_ap(apdev[1]['ifname'], { "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("BLACKLIST")
|
|
if bssid1 in res or bssid2 in res:
|
|
raise Exception("Unexpected blacklist 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("BLACKLIST")
|
|
if bssid1 in res or bssid2 in res:
|
|
raise Exception("Unexpected blacklist entry(2)")
|
|
|
|
def test_ap_open_disable_enable(dev, apdev):
|
|
"""AP with open mode getting disabled and re-enabled"""
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], { "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]['ifname'], { "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)
|
|
|
|
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]['ifname'], { "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)
|