mirror of
https://github.com/vanhoefm/fragattacks.git
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89 lines
3.0 KiB
Python
89 lines
3.0 KiB
Python
#!/usr/bin/python
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#
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# Scanning tests
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# Copyright (c) 2013, 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 hostapd
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def check_scan(dev, params):
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dev.dump_monitor()
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id = dev.request("SCAN " + params)
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if "FAIL" in id:
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raise Exception("Failed to start scan")
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id = int(id)
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ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
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if ev is None:
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raise Exception("Scan did not start")
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if "id=" + str(id) not in ev:
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raise Exception("Scan id not included in start event")
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ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
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if ev is None:
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raise Exception("Scan did not complete")
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if "id=" + str(id) not in ev:
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raise Exception("Scan id not included in completed event")
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def test_scan(dev, apdev):
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"""Control interface behavior on scan parameters"""
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hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
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bssid = apdev[0]['bssid']
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logger.info("Full scan")
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check_scan(dev[0], "use_id=1")
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logger.info("Limited channel scan")
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check_scan(dev[0], "freq=2412-2462,5180 use_id=1")
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if int(dev[0].get_bss(bssid)['age']) > 1:
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raise Exception("Unexpectedly old BSS entry")
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# wait long enough to allow next scans to be verified not to find the AP
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time.sleep(2)
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logger.info("Passive single-channel scan")
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check_scan(dev[0], "freq=2457 passive=1 use_id=1")
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logger.info("Active single-channel scan")
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check_scan(dev[0], "freq=2452 passive=0 use_id=1")
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if int(dev[0].get_bss(bssid)['age']) < 2:
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raise Exception("Unexpectedly updated BSS entry")
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logger.info("Active single-channel scan on AP's operating channel")
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check_scan(dev[0], "freq=2412 passive=0 use_id=1")
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if int(dev[0].get_bss(bssid)['age']) > 1:
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raise Exception("Unexpectedly old BSS entry")
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def test_scan_only(dev, apdev):
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"""Control interface behavior on scan parameters with type=only"""
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hostapd.add_ap(apdev[0]['ifname'], { "ssid": "test-scan" })
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bssid = apdev[0]['bssid']
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logger.info("Full scan")
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check_scan(dev[0], "type=only use_id=1")
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logger.info("Limited channel scan")
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check_scan(dev[0], "type=only freq=2412-2462,5180 use_id=1")
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if int(dev[0].get_bss(bssid)['age']) > 1:
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raise Exception("Unexpectedly old BSS entry")
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# wait long enough to allow next scans to be verified not to find the AP
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time.sleep(2)
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logger.info("Passive single-channel scan")
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check_scan(dev[0], "type=only freq=2457 passive=1 use_id=1")
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logger.info("Active single-channel scan")
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check_scan(dev[0], "type=only freq=2452 passive=0 use_id=1")
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if int(dev[0].get_bss(bssid)['age']) < 2:
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raise Exception("Unexpectedly updated BSS entry")
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logger.info("Active single-channel scan on AP's operating channel")
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check_scan(dev[0], "type=only freq=2412 passive=0 use_id=1")
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if int(dev[0].get_bss(bssid)['age']) > 1:
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raise Exception("Unexpectedly old BSS entry")
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