mirror of
https://github.com/vanhoefm/fragattacks.git
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237 lines
11 KiB
Python
237 lines
11 KiB
Python
# Test cases for Multi-AP
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# Copyright (c) 2018, The Linux Foundation
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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 hostapd
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def test_multi_ap_association(dev, apdev):
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"""Multi-AP association in backhaul BSS"""
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run_multi_ap_association(dev, apdev, 1)
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dev[1].connect("multi-ap", psk="12345678", scan_freq="2412",
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wait_connect=False)
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ev = dev[1].wait_event([ "CTRL-EVENT-DISCONNECTED",
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"CTRL-EVENT-CONNECTED",
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"CTRL-EVENT-ASSOC-REJECT" ],
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timeout=5)
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dev[1].request("DISCONNECT")
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if ev is None:
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raise Exception("Connection result not reported")
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if "CTRL-EVENT-ASSOC-REJECT" not in ev:
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raise Exception("Association rejection not reported")
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if "status_code=12" not in ev:
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raise Exception("Unexpected association status code: " + ev)
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def test_multi_ap_association_shared_bss(dev, apdev):
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"""Multi-AP association in backhaul BSS (with fronthaul BSS enabled)"""
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run_multi_ap_association(dev, apdev, 3)
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dev[1].connect("multi-ap", psk="12345678", scan_freq="2412")
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def run_multi_ap_association(dev, apdev, multi_ap, wait_connect=True):
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params = hostapd.wpa2_params(ssid="multi-ap", passphrase="12345678")
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if multi_ap:
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params["multi_ap"] = str(multi_ap)
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hapd = hostapd.add_ap(apdev[0], params)
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dev[0].connect("multi-ap", psk="12345678", scan_freq="2412",
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multi_ap_backhaul_sta="1", wait_connect=wait_connect)
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def test_multi_ap_disabled_on_ap(dev, apdev):
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"""Multi-AP association attempt when disabled on AP"""
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run_multi_ap_association(dev, apdev, 0, wait_connect=False)
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ev = dev[0].wait_event([ "CTRL-EVENT-DISCONNECTED",
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"CTRL-EVENT-CONNECTED" ],
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timeout=5)
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dev[0].request("DISCONNECT")
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if ev is None:
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raise Exception("Connection result not reported")
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if "CTRL-EVENT-DISCONNECTED" not in ev:
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raise Exception("Unexpected connection result")
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def test_multi_ap_fronthaul_on_ap(dev, apdev):
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"""Multi-AP association attempt when only fronthaul BSS on AP"""
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run_multi_ap_association(dev, apdev, 2, wait_connect=False)
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ev = dev[0].wait_event([ "CTRL-EVENT-DISCONNECTED",
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"CTRL-EVENT-CONNECTED",
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"CTRL-EVENT-ASSOC-REJECT" ],
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timeout=5)
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dev[0].request("DISCONNECT")
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if ev is None:
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raise Exception("Connection result not reported")
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if "CTRL-EVENT-DISCONNECTED" not in ev:
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raise Exception("Unexpected connection result")
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def run_multi_ap_wps(dev, apdev, params, multi_ap_bssid=None):
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"""Helper for running Multi-AP WPS tests
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dev[0] does multi_ap WPS, dev[1] does normal WPS. apdev[0] is the fronthaul
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BSS. If there is a separate backhaul BSS, it must have been set up by the
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caller. params are the normal SSID parameters, they will be extended with
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the WPS parameters. multi_ap_bssid must be given if it is not equal to the
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fronthaul BSSID."""
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if multi_ap_bssid is None:
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multi_ap_bssid = apdev[0]['bssid']
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params.update({ "wps_state": "2", "eap_server": "1" })
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# WPS with multi-ap station dev[0]
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hapd = hostapd.add_ap(apdev[0], params)
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hapd.request("WPS_PBC")
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if "PBC Status: Active" not in hapd.request("WPS_GET_STATUS"):
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raise Exception("PBC status not shown correctly")
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dev[0].request("WPS_PBC multi_ap=1")
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dev[0].wait_connected(timeout=20)
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status = dev[0].get_status()
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if status['wpa_state'] != 'COMPLETED' or status['bssid'] != multi_ap_bssid:
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raise Exception("Not fully connected")
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if status['ssid'] != params['multi_ap_backhaul_ssid'].strip('"'):
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raise Exception("Unexpected SSID %s != %s" % (status['ssid'], params["multi_ap_backhaul_ssid"]))
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if status['pairwise_cipher'] != 'CCMP':
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raise Exception("Unexpected encryption configuration %s" % status['pairwise_cipher'])
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if status['key_mgmt'] != 'WPA2-PSK':
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raise Exception("Unexpected key_mgmt")
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status = hapd.request("WPS_GET_STATUS")
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if "PBC Status: Disabled" not in status:
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raise Exception("PBC status not shown correctly")
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if "Last WPS result: Success" not in status:
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raise Exception("Last WPS result not shown correctly")
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if "Peer Address: " + dev[0].own_addr() not in status:
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raise Exception("Peer address not shown correctly")
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if len(dev[0].list_networks()) != 1:
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raise Exception("Unexpected number of network blocks")
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# WPS with non-Multi-AP station dev[1]
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hapd.request("WPS_PBC")
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if "PBC Status: Active" not in hapd.request("WPS_GET_STATUS"):
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raise Exception("PBC status not shown correctly")
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dev[1].request("WPS_PBC")
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dev[1].wait_connected(timeout=20)
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status = dev[1].get_status()
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if status['wpa_state'] != 'COMPLETED' or status['bssid'] != apdev[0]['bssid']:
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raise Exception("Not fully connected")
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if status['ssid'] != params["ssid"]:
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raise Exception("Unexpected SSID")
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# Fronthaul may be something else than WPA2-PSK so don't test it.
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status = hapd.request("WPS_GET_STATUS")
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if "PBC Status: Disabled" not in status:
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raise Exception("PBC status not shown correctly")
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if "Last WPS result: Success" not in status:
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raise Exception("Last WPS result not shown correctly")
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if "Peer Address: " + dev[1].own_addr() not in status:
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raise Exception("Peer address not shown correctly")
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if len(dev[1].list_networks()) != 1:
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raise Exception("Unexpected number of network blocks")
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def test_multi_ap_wps_shared(dev, apdev):
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"""WPS on shared fronthaul/backhaul AP"""
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ssid = "multi-ap-wps"
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passphrase = "12345678"
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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params.update({ "multi_ap": "3",
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"multi_ap_backhaul_ssid": '"%s"' % ssid,
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"multi_ap_backhaul_wpa_passphrase": passphrase })
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run_multi_ap_wps(dev, apdev, params)
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def test_multi_ap_wps_shared_psk(dev, apdev):
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"""WPS on shared fronthaul/backhaul AP using PSK"""
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ssid = "multi-ap-wps"
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psk = "1234567890abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
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params = hostapd.wpa2_params(ssid=ssid)
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params.update({ "wpa_psk": psk,
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"multi_ap": "3",
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"multi_ap_backhaul_ssid": '"%s"' % ssid,
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"multi_ap_backhaul_wpa_psk": psk })
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run_multi_ap_wps(dev, apdev, params)
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def test_multi_ap_wps_split(dev, apdev):
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"""WPS on split fronthaul and backhaul AP"""
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backhaul_ssid = "multi-ap-backhaul-wps"
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backhaul_passphrase = "87654321"
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params = hostapd.wpa2_params(ssid="multi-ap-fronthaul-wps",
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passphrase="12345678")
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params.update({ "multi_ap": "2",
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"multi_ap_backhaul_ssid": '"%s"' % backhaul_ssid,
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"multi_ap_backhaul_wpa_passphrase": backhaul_passphrase })
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params_backhaul = hostapd.wpa2_params(ssid=backhaul_ssid,
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passphrase=backhaul_passphrase)
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params_backhaul.update({ "multi_ap": "1" })
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hapd_backhaul = hostapd.add_ap(apdev[1], params_backhaul)
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run_multi_ap_wps(dev, apdev, params, hapd_backhaul.own_addr())
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def test_multi_ap_wps_split_psk(dev, apdev):
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"""WPS on split fronthaul and backhaul AP"""
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backhaul_ssid = "multi-ap-backhaul-wps"
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backhaul_psk = "1234567890abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
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params = hostapd.wpa2_params(ssid="multi-ap-fronthaul-wps",
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passphrase="12345678")
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params.update({ "multi_ap": "2",
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"multi_ap_backhaul_ssid": '"%s"' % backhaul_ssid,
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"multi_ap_backhaul_wpa_psk": backhaul_psk })
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params_backhaul = hostapd.wpa2_params(ssid=backhaul_ssid)
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params_backhaul.update({ "multi_ap": "1", "wpa_psk": backhaul_psk })
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hapd_backhaul = hostapd.add_ap(apdev[1], params_backhaul)
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run_multi_ap_wps(dev, apdev, params, hapd_backhaul.own_addr())
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def test_multi_ap_wps_split_mixed(dev, apdev):
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"""WPS on split fronthaul and backhaul AP with mixed-mode fronthaul"""
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backhaul_ssid = "multi-ap-backhaul-wps"
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backhaul_passphrase = "87654321"
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params = hostapd.wpa_mixed_params(ssid="multi-ap-fronthaul-wps",
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passphrase="12345678")
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params.update({ "multi_ap": "2",
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"multi_ap_backhaul_ssid": '"%s"' % backhaul_ssid,
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"multi_ap_backhaul_wpa_passphrase": backhaul_passphrase })
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params_backhaul = hostapd.wpa2_params(ssid=backhaul_ssid,
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passphrase=backhaul_passphrase)
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params_backhaul.update({ "multi_ap": "1" })
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hapd_backhaul = hostapd.add_ap(apdev[1], params_backhaul)
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run_multi_ap_wps(dev, apdev, params, hapd_backhaul.own_addr())
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def test_multi_ap_wps_split_open(dev, apdev):
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"""WPS on split fronthaul and backhaul AP with open fronthaul"""
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backhaul_ssid = "multi-ap-backhaul-wps"
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backhaul_passphrase = "87654321"
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params = { "ssid": "multi-ap-wps-fronthaul", "multi_ap": "2",
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"multi_ap_backhaul_ssid": '"%s"' % backhaul_ssid,
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"multi_ap_backhaul_wpa_passphrase": backhaul_passphrase }
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params_backhaul = hostapd.wpa2_params(ssid=backhaul_ssid,
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passphrase=backhaul_passphrase)
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params_backhaul.update({ "multi_ap": "1" })
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hapd_backhaul = hostapd.add_ap(apdev[1], params_backhaul)
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run_multi_ap_wps(dev, apdev, params, hapd_backhaul.own_addr())
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def test_multi_ap_wps_fail_non_multi_ap(dev, apdev):
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"""Multi-AP WPS on non-WPS AP fails"""
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params = hostapd.wpa2_params(ssid="non-multi-ap-wps", passphrase="12345678")
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params.update({ "wps_state": "2", "eap_server": "1" })
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hapd = hostapd.add_ap(apdev[0], params)
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hapd.request("WPS_PBC")
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if "PBC Status: Active" not in hapd.request("WPS_GET_STATUS"):
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raise Exception("PBC status not shown correctly")
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dev[0].scan_for_bss(apdev[0]['bssid'], freq="2412")
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dev[0].request("WPS_PBC %s multi_ap=1" % apdev[0]['bssid'])
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# Since we will fail to associate and WPS doesn't even get started, there
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# isn't much we can do except wait for timeout. For PBC, it is not possible
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# to change the timeout from 2 minutes. Instead of waiting for the timeout,
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# just check that WPS doesn't finish within reasonable time.
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for i in range(2):
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ev = dev[0].wait_event([ "WPS-SUCCESS", "WPS-FAIL",
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"CTRL-EVENT-DISCONNECTED"], timeout=10)
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if ev and "WPS-" in ev:
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raise Exception("WPS operation completed: " + ev)
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dev[0].request("WPS_CANCEL")
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