mirror of
https://github.com/vanhoefm/fragattacks.git
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409 lines
17 KiB
Python
409 lines
17 KiB
Python
# WPA2-Personal 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 os
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import subprocess
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import time
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import hostapd
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import hwsim_utils
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def check_mib(dev, vals):
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mib = dev.get_mib()
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for v in vals:
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if mib[v[0]] != v[1]:
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raise Exception("Unexpected {} = {} (expected {})".format(v[0], mib[v[0]], v[1]))
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def test_ap_wpa2_psk(dev, apdev):
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"""WPA2-PSK AP with PSK instead of passphrase"""
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ssid = "test-wpa2-psk"
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passphrase = 'qwertyuiop'
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psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
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params = hostapd.wpa2_params(ssid=ssid)
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params['wpa_psk'] = psk
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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key_mgmt = hapd.get_config()['key_mgmt']
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if key_mgmt.split(' ')[0] != "WPA-PSK":
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raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt)
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dev[0].connect(ssid, raw_psk=psk, scan_freq="2412")
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dev[1].connect(ssid, psk=passphrase, scan_freq="2412")
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sig = dev[0].request("SIGNAL_POLL").splitlines()
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pkt = dev[0].request("PKTCNT_POLL").splitlines()
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if "FREQUENCY=2412" not in sig:
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raise Exception("Unexpected SIGNAL_POLL value: " + str(sig))
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if "TXBAD=0" not in pkt:
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raise Exception("Unexpected TXBAD value: " + str(pkt))
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def test_ap_wpa2_psk_file(dev, apdev):
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"""WPA2-PSK AP with PSK from a file"""
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ssid = "test-wpa2-psk"
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passphrase = 'qwertyuiop'
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psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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params['wpa_psk_file'] = 'hostapd.wpa_psk'
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hostapd.add_ap(apdev[0]['ifname'], params)
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dev[1].connect(ssid, psk="very secret", scan_freq="2412", wait_connect=False)
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dev[2].connect(ssid, raw_psk=psk, scan_freq="2412")
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dev[2].request("REMOVE_NETWORK all")
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dev[0].connect(ssid, psk="very secret", scan_freq="2412")
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dev[0].request("REMOVE_NETWORK all")
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dev[2].connect(ssid, psk="another passphrase for all STAs", scan_freq="2412")
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dev[0].connect(ssid, psk="another passphrase for all STAs", scan_freq="2412")
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ev = dev[1].wait_event(["WPA: 4-Way Handshake failed"], timeout=10)
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if ev is None:
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raise Exception("Timed out while waiting for failure report")
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dev[1].request("REMOVE_NETWORK all")
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def test_ap_wpa2_ptk_rekey(dev, apdev):
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"""WPA2-PSK AP and PTK rekey enforced by station"""
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ssid = "test-wpa2-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412")
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ev = dev[0].wait_event(["WPA: Key negotiation completed"])
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if ev is None:
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raise Exception("PTK rekey timed out")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ap_wpa2_ptk_rekey_ap(dev, apdev):
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"""WPA2-PSK AP and PTK rekey enforced by AP"""
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ssid = "test-wpa2-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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params['wpa_ptk_rekey'] = '2'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
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ev = dev[0].wait_event(["WPA: Key negotiation completed"])
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if ev is None:
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raise Exception("PTK rekey timed out")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ap_wpa2_sha256_ptk_rekey(dev, apdev):
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"""WPA2-PSK/SHA256 AKM AP and PTK rekey enforced by station"""
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ssid = "test-wpa2-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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params["wpa_key_mgmt"] = "WPA-PSK-SHA256"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK-SHA256",
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wpa_ptk_rekey="1", scan_freq="2412")
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ev = dev[0].wait_event(["WPA: Key negotiation completed"])
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if ev is None:
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raise Exception("PTK rekey timed out")
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hwsim_utils.test_connectivity(dev[0], hapd)
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check_mib(dev[0], [ ("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-6"),
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("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-6") ])
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def test_ap_wpa2_sha256_ptk_rekey_ap(dev, apdev):
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"""WPA2-PSK/SHA256 AKM AP and PTK rekey enforced by AP"""
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ssid = "test-wpa2-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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params["wpa_key_mgmt"] = "WPA-PSK-SHA256"
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params['wpa_ptk_rekey'] = '2'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK-SHA256",
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scan_freq="2412")
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ev = dev[0].wait_event(["WPA: Key negotiation completed"])
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if ev is None:
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raise Exception("PTK rekey timed out")
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hwsim_utils.test_connectivity(dev[0], hapd)
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check_mib(dev[0], [ ("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-6"),
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("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-6") ])
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def test_ap_wpa_ptk_rekey(dev, apdev):
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"""WPA-PSK/TKIP AP and PTK rekey enforced by station"""
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ssid = "test-wpa-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412")
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if "[WPA-PSK-TKIP]" not in dev[0].request("SCAN_RESULTS"):
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raise Exception("Scan results missing WPA element info")
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ev = dev[0].wait_event(["WPA: Key negotiation completed"])
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if ev is None:
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raise Exception("PTK rekey timed out")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ap_wpa_ptk_rekey_ap(dev, apdev):
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"""WPA-PSK/TKIP AP and PTK rekey enforced by AP"""
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ssid = "test-wpa-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
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params['wpa_ptk_rekey'] = '2'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
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ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=10)
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if ev is None:
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raise Exception("PTK rekey timed out")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ap_wpa_ccmp(dev, apdev):
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"""WPA-PSK/CCMP"""
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ssid = "test-wpa-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
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params['wpa_pairwise'] = "CCMP"
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
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hwsim_utils.test_connectivity(dev[0], hapd)
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check_mib(dev[0], [ ("dot11RSNAConfigGroupCipherSize", "128"),
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("dot11RSNAGroupCipherRequested", "00-50-f2-4"),
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("dot11RSNAPairwiseCipherRequested", "00-50-f2-4"),
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("dot11RSNAAuthenticationSuiteRequested", "00-50-f2-2"),
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("dot11RSNAGroupCipherSelected", "00-50-f2-4"),
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("dot11RSNAPairwiseCipherSelected", "00-50-f2-4"),
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("dot11RSNAAuthenticationSuiteSelected", "00-50-f2-2"),
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("dot1xSuppSuppControlledPortStatus", "Authorized") ])
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def test_ap_wpa2_psk_file(dev, apdev):
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"""WPA2-PSK AP with various PSK file error and success cases"""
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addr0 = dev[0].p2p_dev_addr()
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addr1 = dev[1].p2p_dev_addr()
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addr2 = dev[2].p2p_dev_addr()
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ssid = "psk"
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pskfile = "/tmp/ap_wpa2_psk_file_errors.psk_file"
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try:
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os.remove(pskfile)
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except:
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pass
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params = { "ssid": ssid, "wpa": "2", "wpa_key_mgmt": "WPA-PSK",
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"rsn_pairwise": "CCMP", "wpa_psk_file": pskfile }
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try:
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# missing PSK file
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hapd = hostapd.add_ap(apdev[0]['ifname'], params, no_enable=True)
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success")
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hapd.request("DISABLE")
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# invalid MAC address
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with open(pskfile, "w") as f:
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f.write("\n")
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f.write("foo\n")
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success")
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hapd.request("DISABLE")
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# no PSK on line
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with open(pskfile, "w") as f:
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f.write("00:11:22:33:44:55\n")
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success")
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hapd.request("DISABLE")
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# invalid PSK
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with open(pskfile, "w") as f:
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f.write("00:11:22:33:44:55 1234567\n")
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success")
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hapd.request("DISABLE")
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# valid PSK file
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with open(pskfile, "w") as f:
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f.write("00:11:22:33:44:55 12345678\n")
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f.write(addr0 + " 123456789\n")
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f.write(addr1 + " 123456789a\n")
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f.write(addr2 + " 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n")
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if "FAIL" in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE failure")
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dev[0].connect(ssid, psk="123456789", scan_freq="2412")
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dev[1].connect(ssid, psk="123456789a", scan_freq="2412")
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dev[2].connect(ssid, raw_psk="0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef", scan_freq="2412")
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finally:
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try:
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os.remove(pskfile)
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except:
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pass
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def test_ap_wpa2_psk_wildcard_ssid(dev, apdev):
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"""WPA2-PSK AP and wildcard SSID configuration"""
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ssid = "test-wpa2-psk"
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passphrase = 'qwertyuiop'
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psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect("", bssid=apdev[0]['bssid'], psk=passphrase,
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scan_freq="2412")
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dev[1].connect("", bssid=apdev[0]['bssid'], raw_psk=psk, scan_freq="2412")
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def test_ap_wpa2_gtk_rekey(dev, apdev):
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"""WPA2-PSK AP and GTK rekey enforced by AP"""
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ssid = "test-wpa2-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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params['wpa_group_rekey'] = '1'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
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ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
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if ev is None:
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raise Exception("GTK rekey timed out")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ap_wpa_gtk_rekey(dev, apdev):
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"""WPA-PSK/TKIP AP and GTK rekey enforced by AP"""
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ssid = "test-wpa-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
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params['wpa_group_rekey'] = '1'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
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ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
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if ev is None:
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raise Exception("GTK rekey timed out")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ap_wpa2_gmk_rekey(dev, apdev):
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"""WPA2-PSK AP and GMK and GTK rekey enforced by AP"""
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ssid = "test-wpa2-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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params['wpa_group_rekey'] = '1'
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params['wpa_gmk_rekey'] = '2'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
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for i in range(0, 3):
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ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
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if ev is None:
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raise Exception("GTK rekey timed out")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ap_wpa2_strict_rekey(dev, apdev):
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"""WPA2-PSK AP and strict GTK rekey enforced by AP"""
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ssid = "test-wpa2-psk"
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passphrase = 'qwertyuiop'
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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params['wpa_strict_rekey'] = '1'
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
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dev[1].connect(ssid, psk=passphrase, scan_freq="2412")
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dev[1].request("DISCONNECT")
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ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
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if ev is None:
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raise Exception("GTK rekey timed out")
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hwsim_utils.test_connectivity(dev[0], hapd)
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def test_ap_wpa2_bridge_fdb(dev, apdev):
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"""Bridge FDB entry removal"""
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try:
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ssid = "test-wpa2-psk"
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passphrase = "12345678"
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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params['bridge'] = 'ap-br0'
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hostapd.add_ap(apdev[0]['ifname'], params)
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subprocess.call(['sudo', 'brctl', 'setfd', 'ap-br0', '0'])
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subprocess.call(['sudo', 'ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
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dev[0].connect(ssid, psk=passphrase, scan_freq="2412",
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bssid=apdev[0]['bssid'])
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dev[1].connect(ssid, psk=passphrase, scan_freq="2412",
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bssid=apdev[0]['bssid'])
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addr0 = dev[0].p2p_interface_addr()
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hwsim_utils.test_connectivity_sta(dev[0], dev[1])
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cmd = subprocess.Popen(['brctl', 'showmacs', 'ap-br0'],
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stdout=subprocess.PIPE)
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macs1 = cmd.stdout.read()
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dev[0].request("DISCONNECT")
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dev[1].request("DISCONNECT")
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time.sleep(1)
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cmd = subprocess.Popen(['brctl', 'showmacs', 'ap-br0'],
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stdout=subprocess.PIPE)
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macs2 = cmd.stdout.read()
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addr1 = dev[1].p2p_interface_addr()
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if addr0 not in macs1 or addr1 not in macs1:
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raise Exception("Bridge FDB entry missing")
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if addr0 in macs2 or addr1 in macs2:
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raise Exception("Bridge FDB entry was not removed")
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finally:
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subprocess.call(['sudo', 'ip', 'link', 'set', 'dev', 'ap-br0', 'down'])
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subprocess.call(['sudo', 'brctl', 'delbr', 'ap-br0'])
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def test_ap_wpa2_already_in_bridge(dev, apdev):
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"""hostapd behavior with interface already in bridge"""
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ifname = apdev[0]['ifname']
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br_ifname = 'ext-ap-br0'
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try:
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ssid = "test-wpa2-psk"
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passphrase = "12345678"
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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', 'type', '__ap'])
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subprocess.call(['brctl', 'addif', br_ifname, ifname])
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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hapd = hostapd.add_ap(ifname, params)
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if hapd.get_driver_status_field('brname') != br_ifname:
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raise Exception("Bridge name not identified correctly")
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dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
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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(['iw', ifname, 'set', 'type', 'station'])
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subprocess.call(['brctl', 'delbr', br_ifname])
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def test_ap_wpa2_ext_add_to_bridge(dev, apdev):
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"""hostapd behavior with interface added to bridge externally"""
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ifname = apdev[0]['ifname']
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br_ifname = 'ext-ap-br0'
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try:
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ssid = "test-wpa2-psk"
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passphrase = "12345678"
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
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hapd = hostapd.add_ap(ifname, params)
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subprocess.call(['brctl', 'addbr', br_ifname])
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subprocess.call(['brctl', 'setfd', br_ifname, '0'])
|
|
subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up'])
|
|
subprocess.call(['brctl', 'addif', br_ifname, ifname])
|
|
dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
|
|
if hapd.get_driver_status_field('brname') != br_ifname:
|
|
raise Exception("Bridge name not identified correctly")
|
|
finally:
|
|
subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down'])
|
|
subprocess.call(['brctl', 'delif', br_ifname, ifname])
|
|
subprocess.call(['brctl', 'delbr', br_ifname])
|
|
|
|
def test_ap_wpa2_psk_ext(dev, apdev):
|
|
"""WPA2-PSK AP using external EAPOL I/O"""
|
|
bssid = apdev[0]['bssid']
|
|
ssid = "test-wpa2-psk"
|
|
passphrase = 'qwertyuiop'
|
|
psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
|
|
params = hostapd.wpa2_params(ssid=ssid)
|
|
params['wpa_psk'] = psk
|
|
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
|
|
hapd.request("SET ext_eapol_frame_io 1")
|
|
dev[0].request("SET ext_eapol_frame_io 1")
|
|
dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
|
|
addr = dev[0].p2p_interface_addr()
|
|
while True:
|
|
ev = hapd.wait_event(["EAPOL-TX", "AP-STA-CONNECTED"], timeout=15)
|
|
if ev is None:
|
|
raise Exception("Timeout on EAPOL-TX from hostapd")
|
|
if "AP-STA-CONNECTED" in ev:
|
|
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=15)
|
|
if ev is None:
|
|
raise Exception("Timeout on connection event from wpa_supplicant")
|
|
break
|
|
res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
|
|
if "OK" not in res:
|
|
raise Exception("EAPOL_RX to wpa_supplicant failed")
|
|
ev = dev[0].wait_event(["EAPOL-TX", "CTRL-EVENT-CONNECTED"], timeout=15)
|
|
if ev is None:
|
|
raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
|
|
if "CTRL-EVENT-CONNECTED" in ev:
|
|
break
|
|
res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
|
|
if "OK" not in res:
|
|
raise Exception("EAPOL_RX to hostapd failed")
|