287 lines
11 KiB
Python
287 lines
11 KiB
Python
# bgscan tests
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# Copyright (c) 2014-2017, Jouni Malinen <j@w1.fi>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import time
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import logging
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logger = logging.getLogger()
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import os
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import hostapd
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from utils import alloc_fail, fail_test
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def test_bgscan_simple(dev, apdev):
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"""bgscan_simple"""
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hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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hostapd.add_ap(apdev[1], {"ssid": "bgscan"})
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:1:-20:2")
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dev[1].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:1:-45:2")
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dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:1:-45")
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dev[2].request("REMOVE_NETWORK all")
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dev[2].wait_disconnected()
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dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:0:0")
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dev[2].request("REMOVE_NETWORK all")
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dev[2].wait_disconnected()
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dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple")
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dev[2].request("REMOVE_NETWORK all")
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dev[2].wait_disconnected()
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dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:1")
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dev[2].request("REMOVE_NETWORK all")
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dev[2].wait_disconnected()
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ev = dev[0].wait_event(["CTRL-EVENT-SIGNAL-CHANGE"], timeout=10)
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if ev is None:
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raise Exception("dev0 did not indicate signal change event")
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if "above=0" not in ev:
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raise Exception("Unexpected signal change event contents from dev0: " + ev)
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ev = dev[1].wait_event(["CTRL-EVENT-SIGNAL-CHANGE"], timeout=10)
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if ev is None:
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raise Exception("dev1 did not indicate signal change event")
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if "above=1" not in ev:
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raise Exception("Unexpected signal change event contents from dev1: " + ev)
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=3)
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if ev is None:
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raise Exception("dev0 did not start a scan")
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ev = dev[1].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=3)
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if ev is None:
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raise Exception("dev1 did not start a scan")
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
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if ev is None:
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raise Exception("dev0 did not complete a scan")
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ev = dev[1].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
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if ev is None:
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raise Exception("dev1 did not complete a scan")
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def test_bgscan_simple_beacon_loss(dev, apdev):
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"""bgscan_simple and beacon loss"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:1:-20:2")
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hapd.set("ext_mgmt_frame_handling", "1")
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if "OK" not in hapd.request("STOP_AP"):
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raise Exception("Failed to stop AP")
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ev = dev[0].wait_event(["CTRL-EVENT-BEACON-LOSS"], timeout=10)
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if ev is None:
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raise Exception("Beacon loss not reported")
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def test_bgscan_simple_scan_failure(dev, apdev):
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"""bgscan_simple and scan failure"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:1:-20:2")
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with alloc_fail(dev[0], 1,
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"wpa_supplicant_trigger_scan;bgscan_simple_timeout"):
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-FAILED"], timeout=10)
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if ev is None:
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raise Exception("No scan failure reported")
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
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if ev is None:
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raise Exception("Scanning not continued after failure")
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def test_bgscan_simple_scanning(dev, apdev):
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"""bgscan_simple and scanning behavior"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:1:-20:2")
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# Go through seven bgscan_simple_timeout calls for code coverage. This falls
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# back from short to long scan interval and then reduces short_scan_count
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# back to zero.
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for i in range(7):
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
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if ev is None:
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raise Exception("Scanning not continued")
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def test_bgscan_simple_same_scan_int(dev, apdev):
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"""bgscan_simple and same short/long scan interval"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:1:-20:1")
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for i in range(2):
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
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if ev is None:
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raise Exception("Scanning not continued")
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def test_bgscan_simple_oom(dev, apdev):
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"""bgscan_simple OOM"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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with alloc_fail(dev[0], 1, "bgscan_simple_init"):
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:1:-20:2")
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def test_bgscan_simple_driver_conf_failure(dev, apdev):
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"""bgscan_simple driver configuration failure"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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with fail_test(dev[0], 1, "bgscan_simple_init"):
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="simple:1:-20:2")
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def test_bgscan_learn(dev, apdev):
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"""bgscan_learn"""
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hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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hostapd.add_ap(apdev[1], {"ssid": "bgscan"})
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try:
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os.remove("/tmp/test_bgscan_learn.bgscan")
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except:
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pass
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try:
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="learn:1:-20:2")
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id = dev[1].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="learn:1:-45:2:/tmp/test_bgscan_learn.bgscan")
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dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="learn:1:-45")
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dev[2].request("REMOVE_NETWORK all")
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dev[2].wait_disconnected()
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dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="learn:0:0")
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dev[2].request("REMOVE_NETWORK all")
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dev[2].wait_disconnected()
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dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="learn")
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dev[2].request("REMOVE_NETWORK all")
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dev[2].wait_disconnected()
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dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="learn:1")
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dev[2].request("REMOVE_NETWORK all")
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dev[2].wait_disconnected()
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ev = dev[0].wait_event(["CTRL-EVENT-SIGNAL-CHANGE"], timeout=10)
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if ev is None:
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raise Exception("dev0 did not indicate signal change event")
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if "above=0" not in ev:
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raise Exception("Unexpected signal change event contents from dev0: " + ev)
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ev = dev[1].wait_event(["CTRL-EVENT-SIGNAL-CHANGE"], timeout=10)
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if ev is None:
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raise Exception("dev1 did not indicate signal change event")
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if "above=1" not in ev:
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raise Exception("Unexpected signal change event contents from dev1: " + ev)
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=3)
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if ev is None:
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raise Exception("dev0 did not start a scan")
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ev = dev[1].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=3)
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if ev is None:
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raise Exception("dev1 did not start a scan")
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
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if ev is None:
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raise Exception("dev0 did not complete a scan")
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ev = dev[1].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
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if ev is None:
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raise Exception("dev1 did not complete a scan")
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dev[0].request("DISCONNECT")
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dev[1].request("DISCONNECT")
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dev[0].request("REMOVE_NETWORK all")
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with open("/tmp/test_bgscan_learn.bgscan", "r") as f:
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lines = f.read().splitlines()
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if lines[0] != "wpa_supplicant-bgscan-learn":
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raise Exception("Unexpected bgscan header line")
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if 'BSS 02:00:00:00:03:00 2412' not in lines:
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raise Exception("Missing BSS1")
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if 'BSS 02:00:00:00:04:00 2412' not in lines:
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raise Exception("Missing BSS2")
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if 'NEIGHBOR 02:00:00:00:03:00 02:00:00:00:04:00' not in lines:
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raise Exception("Missing BSS1->BSS2 neighbor entry")
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if 'NEIGHBOR 02:00:00:00:04:00 02:00:00:00:03:00' not in lines:
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raise Exception("Missing BSS2->BSS1 neighbor entry")
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dev[1].set_network(id, "scan_freq", "")
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dev[1].connect_network(id)
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ev = dev[1].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=10)
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if ev is None:
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raise Exception("dev1 did not start a scan")
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ev = dev[1].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
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if ev is None:
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raise Exception("dev1 did not complete a scan")
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dev[1].request("REMOVE_NETWORK all")
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finally:
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try:
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os.remove("/tmp/test_bgscan_learn.bgscan")
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except:
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pass
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def test_bgscan_learn_beacon_loss(dev, apdev):
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"""bgscan_simple and beacon loss"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="learn:1:-20:2")
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hapd.set("ext_mgmt_frame_handling", "1")
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if "OK" not in hapd.request("STOP_AP"):
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raise Exception("Failed to stop AP")
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ev = dev[0].wait_event(["CTRL-EVENT-BEACON-LOSS"], timeout=10)
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if ev is None:
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raise Exception("Beacon loss not reported")
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def test_bgscan_learn_scan_failure(dev, apdev):
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"""bgscan_learn and scan failure"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="learn:1:-20:2")
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with alloc_fail(dev[0], 1,
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"wpa_supplicant_trigger_scan;bgscan_learn_timeout"):
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-FAILED"], timeout=10)
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if ev is None:
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raise Exception("No scan failure reported")
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ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
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if ev is None:
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raise Exception("Scanning not continued after failure")
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def test_bgscan_learn_oom(dev, apdev):
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"""bgscan_learn OOM"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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with alloc_fail(dev[0], 1, "bgscan_learn_init"):
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="learn:1:-20:2")
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def test_bgscan_learn_driver_conf_failure(dev, apdev):
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"""bgscan_learn driver configuration failure"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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with fail_test(dev[0], 1, "bgscan_learn_init"):
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="learn:1:-20:2")
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def test_bgscan_unknown_module(dev, apdev):
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"""bgscan init failing due to unknown module"""
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hapd = hostapd.add_ap(apdev[0], {"ssid": "bgscan"})
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dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
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bgscan="unknown:-20:2")
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