tests/hwsim/test_ap_psk.py

   1 # WPA2-Personal tests
   2 # Copyright (c) 2014, Qualcomm Atheros, Inc.
   3 #
   4 # This software may be distributed under the terms of the BSD license.
   5 # See README for more details.
   6
   7 import logging
   8 logger = logging.getLogger()
   9 import os
  10
  11 import hostapd
  12 import hwsim_utils
  13
  14 def check_mib(dev, vals):
  15     mib = dev.get_mib()
  16     for v in vals:
  17         if mib[v[0]] != v[1]:
  18             raise Exception("Unexpected {} = {} (expected {})".format(v[0], mib[v[0]], v[1]))
  19
  20 def test_ap_wpa2_psk(dev, apdev):
  21     """WPA2-PSK AP with PSK instead of passphrase"""
  22     ssid = "test-wpa2-psk"
  23     passphrase = 'qwertyuiop'
  24     psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  25     params = hostapd.wpa2_params(ssid=ssid)
  26     params['wpa_psk'] = psk
  27     hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  28     key_mgmt = hapd.get_config()['key_mgmt']
  29     if key_mgmt.split(' ')[0] != "WPA-PSK":
  30         raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt)
  31     dev[0].connect(ssid, raw_psk=psk, scan_freq="2412")
  32     dev[1].connect(ssid, psk=passphrase, scan_freq="2412")
  33
  34     sig = dev[0].request("SIGNAL_POLL").splitlines()
  35     pkt = dev[0].request("PKTCNT_POLL").splitlines()
  36     if "FREQUENCY=2412" not in sig:
  37         raise Exception("Unexpected SIGNAL_POLL value: " + str(sig))
  38     if "TXBAD=0" not in pkt:
  39         raise Exception("Unexpected TXBAD value: " + str(pkt))
  40
  41 def test_ap_wpa2_psk_file(dev, apdev):
  42     """WPA2-PSK AP with PSK from a file"""
  43     ssid = "test-wpa2-psk"
  44     passphrase = 'qwertyuiop'
  45     psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  46     params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  47     params['wpa_psk_file'] = 'hostapd.wpa_psk'
  48     hostapd.add_ap(apdev[0]['ifname'], params)
  49     dev[1].connect(ssid, psk="very secret", scan_freq="2412", wait_connect=False)
  50     dev[2].connect(ssid, raw_psk=psk, scan_freq="2412")
  51     dev[2].request("REMOVE_NETWORK all")
  52     dev[0].connect(ssid, psk="very secret", scan_freq="2412")
  53     dev[0].request("REMOVE_NETWORK all")
  54     dev[2].connect(ssid, psk="another passphrase for all STAs", scan_freq="2412")
  55     dev[0].connect(ssid, psk="another passphrase for all STAs", scan_freq="2412")
  56     ev = dev[1].wait_event(["WPA: 4-Way Handshake failed"], timeout=10)
  57     if ev is None:
  58         raise Exception("Timed out while waiting for failure report")
  59     dev[1].request("REMOVE_NETWORK all")
  60
  61 def test_ap_wpa2_ptk_rekey(dev, apdev):
  62     """WPA2-PSK AP and PTK rekey enforced by station"""
  63     ssid = "test-wpa2-psk"
  64     passphrase = 'qwertyuiop'
  65     params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  66     hostapd.add_ap(apdev[0]['ifname'], params)
  67     dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412")
  68     ev = dev[0].wait_event(["WPA: Key negotiation completed"])
  69     if ev is None:
  70         raise Exception("PTK rekey timed out")
  71     hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
  72
  73 def test_ap_wpa2_sha256_ptk_rekey(dev, apdev):
  74     """WPA2-PSK/SHA256 AKM AP and PTK rekey enforced by station"""
  75     ssid = "test-wpa2-psk"
  76     passphrase = 'qwertyuiop'
  77     params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  78     params["wpa_key_mgmt"] = "WPA-PSK-SHA256"
  79     hostapd.add_ap(apdev[0]['ifname'], params)
  80     dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK-SHA256",
  81                    wpa_ptk_rekey="1", scan_freq="2412")
  82     ev = dev[0].wait_event(["WPA: Key negotiation completed"])
  83     if ev is None:
  84         raise Exception("PTK rekey timed out")
  85     hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
  86     check_mib(dev[0], [ ("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-6"),
  87                         ("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-6") ])
  88
  89 def test_ap_wpa_ptk_rekey(dev, apdev):
  90     """WPA-PSK/TKIP AP and PTK rekey enforced by station"""
  91     ssid = "test-wpa-psk"
  92     passphrase = 'qwertyuiop'
  93     params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
  94     hostapd.add_ap(apdev[0]['ifname'], params)
  95     dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412")
  96     if "[WPA-PSK-TKIP]" not in dev[0].request("SCAN_RESULTS"):
  97         raise Exception("Scan results missing WPA element info")
  98     ev = dev[0].wait_event(["WPA: Key negotiation completed"])
  99     if ev is None:
 100         raise Exception("PTK rekey timed out")
 101     hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
 102
 103 def test_ap_wpa_ccmp(dev, apdev):
 104     """WPA-PSK/CCMP"""
 105     ssid = "test-wpa-psk"
 106     passphrase = 'qwertyuiop'
 107     params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
 108     params['wpa_pairwise'] = "CCMP"
 109     hostapd.add_ap(apdev[0]['ifname'], params)
 110     dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
 111     hwsim_utils.test_connectivity(dev[0].ifname, apdev[0]['ifname'])
 112     check_mib(dev[0], [ ("dot11RSNAConfigGroupCipherSize", "128"),
 113                         ("dot11RSNAGroupCipherRequested", "00-50-f2-4"),
 114                         ("dot11RSNAPairwiseCipherRequested", "00-50-f2-4"),
 115                         ("dot11RSNAAuthenticationSuiteRequested", "00-50-f2-2"),
 116                         ("dot11RSNAGroupCipherSelected", "00-50-f2-4"),
 117                         ("dot11RSNAPairwiseCipherSelected", "00-50-f2-4"),
 118                         ("dot11RSNAAuthenticationSuiteSelected", "00-50-f2-2"),
 119                         ("dot1xSuppSuppControlledPortStatus", "Authorized") ])
 120
 121 def test_ap_wpa2_psk_file(dev, apdev):
 122     """WPA2-PSK AP with various PSK file error and success cases"""
 123     addr0 = dev[0].p2p_dev_addr()
 124     addr1 = dev[1].p2p_dev_addr()
 125     addr2 = dev[2].p2p_dev_addr()
 126     ssid = "psk"
 127     pskfile = "/tmp/ap_wpa2_psk_file_errors.psk_file"
 128     try:
 129         os.remove(pskfile)
 130     except:
 131         pass
 132
 133     params = { "ssid": ssid, "wpa": "2", "wpa_key_mgmt": "WPA-PSK",
 134                "rsn_pairwise": "CCMP", "wpa_psk_file": pskfile }
 135
 136     try:
 137         # missing PSK file
 138         hapd = hostapd.add_ap(apdev[0]['ifname'], params, no_enable=True)
 139         if "FAIL" not in hapd.request("ENABLE"):
 140             raise Exception("Unexpected ENABLE success")
 141         hapd.request("DISABLE")
 142
 143         # invalid MAC address
 144         with open(pskfile, "w") as f:
 145             f.write("\n")
 146             f.write("foo\n")
 147         if "FAIL" not in hapd.request("ENABLE"):
 148             raise Exception("Unexpected ENABLE success")
 149         hapd.request("DISABLE")
 150
 151         # no PSK on line
 152         with open(pskfile, "w") as f:
 153             f.write("00:11:22:33:44:55\n")
 154         if "FAIL" not in hapd.request("ENABLE"):
 155             raise Exception("Unexpected ENABLE success")
 156         hapd.request("DISABLE")
 157
 158         # invalid PSK
 159         with open(pskfile, "w") as f:
 160             f.write("00:11:22:33:44:55 1234567\n")
 161         if "FAIL" not in hapd.request("ENABLE"):
 162             raise Exception("Unexpected ENABLE success")
 163         hapd.request("DISABLE")
 164
 165         # valid PSK file
 166         with open(pskfile, "w") as f:
 167             f.write("00:11:22:33:44:55 12345678\n")
 168             f.write(addr0 + " 123456789\n")
 169             f.write(addr1 + " 123456789a\n")
 170             f.write(addr2 + " 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n")
 171         if "FAIL" in hapd.request("ENABLE"):
 172             raise Exception("Unexpected ENABLE failure")
 173
 174         dev[0].connect(ssid, psk="123456789", scan_freq="2412")
 175         dev[1].connect(ssid, psk="123456789a", scan_freq="2412")
 176         dev[2].connect(ssid, raw_psk="0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef", scan_freq="2412")
 177
 178     finally:
 179         try:
 180             os.remove(pskfile)
 181         except:
 182             pass
 183
 184 def test_ap_wpa2_psk_wildcard_ssid(dev, apdev):
 185     """WPA2-PSK AP and wildcard SSID configuration"""
 186     ssid = "test-wpa2-psk"
 187     passphrase = 'qwertyuiop'
 188     psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
 189     params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
 190     hapd = hostapd.add_ap(apdev[0]['ifname'], params)
 191     dev[0].connect("", bssid=apdev[0]['bssid'], psk=passphrase,
 192                    scan_freq="2412")
 193     dev[1].connect("", bssid=apdev[0]['bssid'], raw_psk=psk, scan_freq="2412")