test_ap_psk.py 87 KB

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  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. import binascii
  7. from Crypto.Cipher import AES
  8. import hashlib
  9. import hmac
  10. import logging
  11. logger = logging.getLogger()
  12. import os
  13. import re
  14. import struct
  15. import subprocess
  16. import time
  17. import hostapd
  18. from utils import HwsimSkip, fail_test, skip_with_fips
  19. import hwsim_utils
  20. from wpasupplicant import WpaSupplicant
  21. def check_mib(dev, vals):
  22. mib = dev.get_mib()
  23. for v in vals:
  24. if mib[v[0]] != v[1]:
  25. raise Exception("Unexpected {} = {} (expected {})".format(v[0], mib[v[0]], v[1]))
  26. def test_ap_wpa2_psk(dev, apdev):
  27. """WPA2-PSK AP with PSK instead of passphrase"""
  28. ssid = "test-wpa2-psk"
  29. passphrase = 'qwertyuiop'
  30. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  31. params = hostapd.wpa2_params(ssid=ssid)
  32. params['wpa_psk'] = psk
  33. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  34. key_mgmt = hapd.get_config()['key_mgmt']
  35. if key_mgmt.split(' ')[0] != "WPA-PSK":
  36. raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt)
  37. dev[0].connect(ssid, raw_psk=psk, scan_freq="2412")
  38. dev[1].connect(ssid, psk=passphrase, scan_freq="2412")
  39. sig = dev[0].request("SIGNAL_POLL").splitlines()
  40. pkt = dev[0].request("PKTCNT_POLL").splitlines()
  41. if "FREQUENCY=2412" not in sig:
  42. raise Exception("Unexpected SIGNAL_POLL value: " + str(sig))
  43. if "TXBAD=0" not in pkt:
  44. raise Exception("Unexpected TXBAD value: " + str(pkt))
  45. def test_ap_wpa2_psk_file(dev, apdev):
  46. """WPA2-PSK AP with PSK from a file"""
  47. ssid = "test-wpa2-psk"
  48. passphrase = 'qwertyuiop'
  49. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  50. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  51. params['wpa_psk_file'] = 'hostapd.wpa_psk'
  52. hostapd.add_ap(apdev[0]['ifname'], params)
  53. dev[1].connect(ssid, psk="very secret", scan_freq="2412", wait_connect=False)
  54. dev[2].connect(ssid, raw_psk=psk, scan_freq="2412")
  55. dev[2].request("REMOVE_NETWORK all")
  56. dev[0].connect(ssid, psk="very secret", scan_freq="2412")
  57. dev[0].request("REMOVE_NETWORK all")
  58. dev[2].connect(ssid, psk="another passphrase for all STAs", scan_freq="2412")
  59. dev[0].connect(ssid, psk="another passphrase for all STAs", scan_freq="2412")
  60. ev = dev[1].wait_event(["WPA: 4-Way Handshake failed"], timeout=10)
  61. if ev is None:
  62. raise Exception("Timed out while waiting for failure report")
  63. dev[1].request("REMOVE_NETWORK all")
  64. def test_ap_wpa2_psk_mem(dev, apdev):
  65. """WPA2-PSK AP with passphrase only in memory"""
  66. try:
  67. _test_ap_wpa2_psk_mem(dev, apdev)
  68. finally:
  69. dev[0].request("SCAN_INTERVAL 5")
  70. dev[1].request("SCAN_INTERVAL 5")
  71. def _test_ap_wpa2_psk_mem(dev, apdev):
  72. ssid = "test-wpa2-psk"
  73. passphrase = 'qwertyuiop'
  74. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  75. params = hostapd.wpa2_params(ssid=ssid)
  76. params['wpa_psk'] = psk
  77. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  78. dev[0].connect(ssid, mem_only_psk="1", scan_freq="2412", wait_connect=False)
  79. dev[0].request("SCAN_INTERVAL 1")
  80. ev = dev[0].wait_event(["CTRL-REQ-PSK_PASSPHRASE"], timeout=10)
  81. if ev is None:
  82. raise Exception("Request for PSK/passphrase timed out")
  83. id = ev.split(':')[0].split('-')[-1]
  84. dev[0].request("CTRL-RSP-PSK_PASSPHRASE-" + id + ':"' + passphrase + '"')
  85. dev[0].wait_connected(timeout=10)
  86. dev[1].connect(ssid, mem_only_psk="1", scan_freq="2412", wait_connect=False)
  87. dev[1].request("SCAN_INTERVAL 1")
  88. ev = dev[1].wait_event(["CTRL-REQ-PSK_PASSPHRASE"], timeout=10)
  89. if ev is None:
  90. raise Exception("Request for PSK/passphrase timed out(2)")
  91. id = ev.split(':')[0].split('-')[-1]
  92. dev[1].request("CTRL-RSP-PSK_PASSPHRASE-" + id + ':' + psk)
  93. dev[1].wait_connected(timeout=10)
  94. def test_ap_wpa2_ptk_rekey(dev, apdev):
  95. """WPA2-PSK AP and PTK rekey enforced by station"""
  96. ssid = "test-wpa2-psk"
  97. passphrase = 'qwertyuiop'
  98. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  99. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  100. dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412")
  101. ev = dev[0].wait_event(["WPA: Key negotiation completed"])
  102. if ev is None:
  103. raise Exception("PTK rekey timed out")
  104. hwsim_utils.test_connectivity(dev[0], hapd)
  105. def test_ap_wpa2_ptk_rekey_ap(dev, apdev):
  106. """WPA2-PSK AP and PTK rekey enforced by AP"""
  107. ssid = "test-wpa2-psk"
  108. passphrase = 'qwertyuiop'
  109. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  110. params['wpa_ptk_rekey'] = '2'
  111. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  112. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  113. ev = dev[0].wait_event(["WPA: Key negotiation completed"])
  114. if ev is None:
  115. raise Exception("PTK rekey timed out")
  116. hwsim_utils.test_connectivity(dev[0], hapd)
  117. def test_ap_wpa2_sha256_ptk_rekey(dev, apdev):
  118. """WPA2-PSK/SHA256 AKM AP and PTK rekey enforced by station"""
  119. ssid = "test-wpa2-psk"
  120. passphrase = 'qwertyuiop'
  121. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  122. params["wpa_key_mgmt"] = "WPA-PSK-SHA256"
  123. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  124. dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK-SHA256",
  125. wpa_ptk_rekey="1", scan_freq="2412")
  126. ev = dev[0].wait_event(["WPA: Key negotiation completed"])
  127. if ev is None:
  128. raise Exception("PTK rekey timed out")
  129. hwsim_utils.test_connectivity(dev[0], hapd)
  130. check_mib(dev[0], [ ("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-6"),
  131. ("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-6") ])
  132. def test_ap_wpa2_sha256_ptk_rekey_ap(dev, apdev):
  133. """WPA2-PSK/SHA256 AKM AP and PTK rekey enforced by AP"""
  134. ssid = "test-wpa2-psk"
  135. passphrase = 'qwertyuiop'
  136. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  137. params["wpa_key_mgmt"] = "WPA-PSK-SHA256"
  138. params['wpa_ptk_rekey'] = '2'
  139. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  140. dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK-SHA256",
  141. scan_freq="2412")
  142. ev = dev[0].wait_event(["WPA: Key negotiation completed"])
  143. if ev is None:
  144. raise Exception("PTK rekey timed out")
  145. hwsim_utils.test_connectivity(dev[0], hapd)
  146. check_mib(dev[0], [ ("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-6"),
  147. ("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-6") ])
  148. def test_ap_wpa_ptk_rekey(dev, apdev):
  149. """WPA-PSK/TKIP AP and PTK rekey enforced by station"""
  150. skip_with_fips(dev[0])
  151. ssid = "test-wpa-psk"
  152. passphrase = 'qwertyuiop'
  153. params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
  154. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  155. dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412")
  156. if "[WPA-PSK-TKIP]" not in dev[0].request("SCAN_RESULTS"):
  157. raise Exception("Scan results missing WPA element info")
  158. ev = dev[0].wait_event(["WPA: Key negotiation completed"])
  159. if ev is None:
  160. raise Exception("PTK rekey timed out")
  161. hwsim_utils.test_connectivity(dev[0], hapd)
  162. def test_ap_wpa_ptk_rekey_ap(dev, apdev):
  163. """WPA-PSK/TKIP AP and PTK rekey enforced by AP"""
  164. skip_with_fips(dev[0])
  165. ssid = "test-wpa-psk"
  166. passphrase = 'qwertyuiop'
  167. params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
  168. params['wpa_ptk_rekey'] = '2'
  169. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  170. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  171. ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=10)
  172. if ev is None:
  173. raise Exception("PTK rekey timed out")
  174. hwsim_utils.test_connectivity(dev[0], hapd)
  175. def test_ap_wpa_ccmp(dev, apdev):
  176. """WPA-PSK/CCMP"""
  177. ssid = "test-wpa-psk"
  178. passphrase = 'qwertyuiop'
  179. params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
  180. params['wpa_pairwise'] = "CCMP"
  181. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  182. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  183. hwsim_utils.test_connectivity(dev[0], hapd)
  184. check_mib(dev[0], [ ("dot11RSNAConfigGroupCipherSize", "128"),
  185. ("dot11RSNAGroupCipherRequested", "00-50-f2-4"),
  186. ("dot11RSNAPairwiseCipherRequested", "00-50-f2-4"),
  187. ("dot11RSNAAuthenticationSuiteRequested", "00-50-f2-2"),
  188. ("dot11RSNAGroupCipherSelected", "00-50-f2-4"),
  189. ("dot11RSNAPairwiseCipherSelected", "00-50-f2-4"),
  190. ("dot11RSNAAuthenticationSuiteSelected", "00-50-f2-2"),
  191. ("dot1xSuppSuppControlledPortStatus", "Authorized") ])
  192. def test_ap_wpa2_psk_file(dev, apdev):
  193. """WPA2-PSK AP with various PSK file error and success cases"""
  194. addr0 = dev[0].own_addr()
  195. addr1 = dev[1].own_addr()
  196. addr2 = dev[2].own_addr()
  197. ssid = "psk"
  198. pskfile = "/tmp/ap_wpa2_psk_file_errors.psk_file"
  199. try:
  200. os.remove(pskfile)
  201. except:
  202. pass
  203. params = { "ssid": ssid, "wpa": "2", "wpa_key_mgmt": "WPA-PSK",
  204. "rsn_pairwise": "CCMP", "wpa_psk_file": pskfile }
  205. try:
  206. # missing PSK file
  207. hapd = hostapd.add_ap(apdev[0]['ifname'], params, no_enable=True)
  208. if "FAIL" not in hapd.request("ENABLE"):
  209. raise Exception("Unexpected ENABLE success")
  210. hapd.request("DISABLE")
  211. # invalid MAC address
  212. with open(pskfile, "w") as f:
  213. f.write("\n")
  214. f.write("foo\n")
  215. if "FAIL" not in hapd.request("ENABLE"):
  216. raise Exception("Unexpected ENABLE success")
  217. hapd.request("DISABLE")
  218. # no PSK on line
  219. with open(pskfile, "w") as f:
  220. f.write("00:11:22:33:44:55\n")
  221. if "FAIL" not in hapd.request("ENABLE"):
  222. raise Exception("Unexpected ENABLE success")
  223. hapd.request("DISABLE")
  224. # invalid PSK
  225. with open(pskfile, "w") as f:
  226. f.write("00:11:22:33:44:55 1234567\n")
  227. if "FAIL" not in hapd.request("ENABLE"):
  228. raise Exception("Unexpected ENABLE success")
  229. hapd.request("DISABLE")
  230. # valid PSK file
  231. with open(pskfile, "w") as f:
  232. f.write("00:11:22:33:44:55 12345678\n")
  233. f.write(addr0 + " 123456789\n")
  234. f.write(addr1 + " 123456789a\n")
  235. f.write(addr2 + " 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n")
  236. if "FAIL" in hapd.request("ENABLE"):
  237. raise Exception("Unexpected ENABLE failure")
  238. dev[0].connect(ssid, psk="123456789", scan_freq="2412")
  239. dev[1].connect(ssid, psk="123456789a", scan_freq="2412")
  240. dev[2].connect(ssid, raw_psk="0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef", scan_freq="2412")
  241. finally:
  242. try:
  243. os.remove(pskfile)
  244. except:
  245. pass
  246. def test_ap_wpa2_psk_wildcard_ssid(dev, apdev):
  247. """WPA2-PSK AP and wildcard SSID configuration"""
  248. ssid = "test-wpa2-psk"
  249. passphrase = 'qwertyuiop'
  250. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  251. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  252. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  253. dev[0].connect("", bssid=apdev[0]['bssid'], psk=passphrase,
  254. scan_freq="2412")
  255. dev[1].connect("", bssid=apdev[0]['bssid'], raw_psk=psk, scan_freq="2412")
  256. def test_ap_wpa2_gtk_rekey(dev, apdev):
  257. """WPA2-PSK AP and GTK rekey enforced by AP"""
  258. ssid = "test-wpa2-psk"
  259. passphrase = 'qwertyuiop'
  260. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  261. params['wpa_group_rekey'] = '1'
  262. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  263. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  264. ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
  265. if ev is None:
  266. raise Exception("GTK rekey timed out")
  267. hwsim_utils.test_connectivity(dev[0], hapd)
  268. def test_ap_wpa_gtk_rekey(dev, apdev):
  269. """WPA-PSK/TKIP AP and GTK rekey enforced by AP"""
  270. skip_with_fips(dev[0])
  271. ssid = "test-wpa-psk"
  272. passphrase = 'qwertyuiop'
  273. params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
  274. params['wpa_group_rekey'] = '1'
  275. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  276. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  277. ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
  278. if ev is None:
  279. raise Exception("GTK rekey timed out")
  280. hwsim_utils.test_connectivity(dev[0], hapd)
  281. def test_ap_wpa2_gmk_rekey(dev, apdev):
  282. """WPA2-PSK AP and GMK and GTK rekey enforced by AP"""
  283. ssid = "test-wpa2-psk"
  284. passphrase = 'qwertyuiop'
  285. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  286. params['wpa_group_rekey'] = '1'
  287. params['wpa_gmk_rekey'] = '2'
  288. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  289. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  290. for i in range(0, 3):
  291. ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
  292. if ev is None:
  293. raise Exception("GTK rekey timed out")
  294. hwsim_utils.test_connectivity(dev[0], hapd)
  295. def test_ap_wpa2_strict_rekey(dev, apdev):
  296. """WPA2-PSK AP and strict GTK rekey enforced by AP"""
  297. ssid = "test-wpa2-psk"
  298. passphrase = 'qwertyuiop'
  299. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  300. params['wpa_strict_rekey'] = '1'
  301. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  302. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  303. dev[1].connect(ssid, psk=passphrase, scan_freq="2412")
  304. dev[1].request("DISCONNECT")
  305. ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2)
  306. if ev is None:
  307. raise Exception("GTK rekey timed out")
  308. hwsim_utils.test_connectivity(dev[0], hapd)
  309. def test_ap_wpa2_bridge_fdb(dev, apdev):
  310. """Bridge FDB entry removal"""
  311. try:
  312. ssid = "test-wpa2-psk"
  313. passphrase = "12345678"
  314. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  315. params['bridge'] = 'ap-br0'
  316. hostapd.add_ap(apdev[0]['ifname'], params)
  317. subprocess.call(['brctl', 'setfd', 'ap-br0', '0'])
  318. subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
  319. dev[0].connect(ssid, psk=passphrase, scan_freq="2412",
  320. bssid=apdev[0]['bssid'])
  321. dev[1].connect(ssid, psk=passphrase, scan_freq="2412",
  322. bssid=apdev[0]['bssid'])
  323. addr0 = dev[0].p2p_interface_addr()
  324. hwsim_utils.test_connectivity_sta(dev[0], dev[1])
  325. cmd = subprocess.Popen(['brctl', 'showmacs', 'ap-br0'],
  326. stdout=subprocess.PIPE)
  327. macs1 = cmd.stdout.read()
  328. cmd = subprocess.call(['brctl', 'setageing', 'ap-br0', '1'])
  329. dev[0].request("DISCONNECT")
  330. dev[1].request("DISCONNECT")
  331. time.sleep(1)
  332. cmd = subprocess.Popen(['brctl', 'showmacs', 'ap-br0'],
  333. stdout=subprocess.PIPE)
  334. macs2 = cmd.stdout.read()
  335. addr1 = dev[1].p2p_interface_addr()
  336. if addr0 not in macs1 or addr1 not in macs1:
  337. raise Exception("Bridge FDB entry missing")
  338. if addr0 in macs2 or addr1 in macs2:
  339. raise Exception("Bridge FDB entry was not removed")
  340. finally:
  341. subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'down'])
  342. subprocess.call(['brctl', 'delbr', 'ap-br0'])
  343. def test_ap_wpa2_already_in_bridge(dev, apdev):
  344. """hostapd behavior with interface already in bridge"""
  345. ifname = apdev[0]['ifname']
  346. br_ifname = 'ext-ap-br0'
  347. try:
  348. ssid = "test-wpa2-psk"
  349. passphrase = "12345678"
  350. subprocess.call(['brctl', 'addbr', br_ifname])
  351. subprocess.call(['brctl', 'setfd', br_ifname, '0'])
  352. subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up'])
  353. subprocess.call(['iw', ifname, 'set', 'type', '__ap'])
  354. subprocess.call(['brctl', 'addif', br_ifname, ifname])
  355. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  356. hapd = hostapd.add_ap(ifname, params)
  357. if hapd.get_driver_status_field('brname') != br_ifname:
  358. raise Exception("Bridge name not identified correctly")
  359. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  360. finally:
  361. subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down'])
  362. subprocess.call(['brctl', 'delif', br_ifname, ifname])
  363. subprocess.call(['iw', ifname, 'set', 'type', 'station'])
  364. subprocess.call(['brctl', 'delbr', br_ifname])
  365. def test_ap_wpa2_in_different_bridge(dev, apdev):
  366. """hostapd behavior with interface in different bridge"""
  367. ifname = apdev[0]['ifname']
  368. br_ifname = 'ext-ap-br0'
  369. try:
  370. ssid = "test-wpa2-psk"
  371. passphrase = "12345678"
  372. subprocess.call(['brctl', 'addbr', br_ifname])
  373. subprocess.call(['brctl', 'setfd', br_ifname, '0'])
  374. subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up'])
  375. subprocess.call(['iw', ifname, 'set', 'type', '__ap'])
  376. subprocess.call(['brctl', 'addif', br_ifname, ifname])
  377. time.sleep(0.5)
  378. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  379. params['bridge'] = 'ap-br0'
  380. hapd = hostapd.add_ap(ifname, params)
  381. subprocess.call(['brctl', 'setfd', 'ap-br0', '0'])
  382. subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
  383. brname = hapd.get_driver_status_field('brname')
  384. if brname != 'ap-br0':
  385. raise Exception("Incorrect bridge: " + brname)
  386. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  387. hwsim_utils.test_connectivity_iface(dev[0], hapd, "ap-br0")
  388. if hapd.get_driver_status_field("added_bridge") != "1":
  389. raise Exception("Unexpected added_bridge value")
  390. if hapd.get_driver_status_field("added_if_into_bridge") != "1":
  391. raise Exception("Unexpected added_if_into_bridge value")
  392. dev[0].request("DISCONNECT")
  393. hapd.disable()
  394. finally:
  395. subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down'])
  396. subprocess.call(['brctl', 'delif', br_ifname, ifname],
  397. stderr=open('/dev/null', 'w'))
  398. subprocess.call(['brctl', 'delbr', br_ifname])
  399. def test_ap_wpa2_ext_add_to_bridge(dev, apdev):
  400. """hostapd behavior with interface added to bridge externally"""
  401. ifname = apdev[0]['ifname']
  402. br_ifname = 'ext-ap-br0'
  403. try:
  404. ssid = "test-wpa2-psk"
  405. passphrase = "12345678"
  406. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  407. hapd = hostapd.add_ap(ifname, params)
  408. subprocess.call(['brctl', 'addbr', br_ifname])
  409. subprocess.call(['brctl', 'setfd', br_ifname, '0'])
  410. subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up'])
  411. subprocess.call(['brctl', 'addif', br_ifname, ifname])
  412. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  413. if hapd.get_driver_status_field('brname') != br_ifname:
  414. raise Exception("Bridge name not identified correctly")
  415. finally:
  416. subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down'])
  417. subprocess.call(['brctl', 'delif', br_ifname, ifname])
  418. subprocess.call(['brctl', 'delbr', br_ifname])
  419. def test_ap_wpa2_psk_ext(dev, apdev):
  420. """WPA2-PSK AP using external EAPOL I/O"""
  421. bssid = apdev[0]['bssid']
  422. ssid = "test-wpa2-psk"
  423. passphrase = 'qwertyuiop'
  424. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  425. params = hostapd.wpa2_params(ssid=ssid)
  426. params['wpa_psk'] = psk
  427. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  428. hapd.request("SET ext_eapol_frame_io 1")
  429. dev[0].request("SET ext_eapol_frame_io 1")
  430. dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
  431. addr = dev[0].p2p_interface_addr()
  432. while True:
  433. ev = hapd.wait_event(["EAPOL-TX", "AP-STA-CONNECTED"], timeout=15)
  434. if ev is None:
  435. raise Exception("Timeout on EAPOL-TX from hostapd")
  436. if "AP-STA-CONNECTED" in ev:
  437. dev[0].wait_connected(timeout=15)
  438. break
  439. res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
  440. if "OK" not in res:
  441. raise Exception("EAPOL_RX to wpa_supplicant failed")
  442. ev = dev[0].wait_event(["EAPOL-TX", "CTRL-EVENT-CONNECTED"], timeout=15)
  443. if ev is None:
  444. raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
  445. if "CTRL-EVENT-CONNECTED" in ev:
  446. break
  447. res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
  448. if "OK" not in res:
  449. raise Exception("EAPOL_RX to hostapd failed")
  450. def test_ap_wpa2_psk_ext_retry_msg_3(dev, apdev):
  451. """WPA2-PSK AP using external EAPOL I/O and retry for EAPOL-Key msg 3/4"""
  452. bssid = apdev[0]['bssid']
  453. ssid = "test-wpa2-psk"
  454. passphrase = 'qwertyuiop'
  455. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  456. params = hostapd.wpa2_params(ssid=ssid)
  457. params['wpa_psk'] = psk
  458. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  459. hapd.request("SET ext_eapol_frame_io 1")
  460. dev[0].request("SET ext_eapol_frame_io 1")
  461. dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
  462. addr = dev[0].p2p_interface_addr()
  463. # EAPOL-Key msg 1/4
  464. ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
  465. if ev is None:
  466. raise Exception("Timeout on EAPOL-TX from hostapd")
  467. res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
  468. if "OK" not in res:
  469. raise Exception("EAPOL_RX to wpa_supplicant failed")
  470. # EAPOL-Key msg 2/4
  471. ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
  472. if ev is None:
  473. raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
  474. res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
  475. if "OK" not in res:
  476. raise Exception("EAPOL_RX to hostapd failed")
  477. # EAPOL-Key msg 3/4
  478. ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
  479. if ev is None:
  480. raise Exception("Timeout on EAPOL-TX from hostapd")
  481. res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
  482. if "OK" not in res:
  483. raise Exception("EAPOL_RX to wpa_supplicant failed")
  484. # EAPOL-Key msg 4/4
  485. ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
  486. if ev is None:
  487. raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
  488. # Do not send to the AP
  489. dev[0].wait_connected(timeout=15)
  490. # EAPOL-Key msg 3/4 (retry)
  491. ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
  492. if ev is None:
  493. raise Exception("Timeout on EAPOL-TX from hostapd")
  494. res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
  495. if "OK" not in res:
  496. raise Exception("EAPOL_RX to wpa_supplicant failed")
  497. # EAPOL-Key msg 4/4
  498. ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
  499. if ev is None:
  500. raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
  501. res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
  502. if "OK" not in res:
  503. raise Exception("EAPOL_RX to hostapd failed")
  504. ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15)
  505. if ev is None:
  506. raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
  507. hwsim_utils.test_connectivity(dev[0], hapd)
  508. def parse_eapol(data):
  509. (version, type, length) = struct.unpack('>BBH', data[0:4])
  510. payload = data[4:]
  511. if length > len(payload):
  512. raise Exception("Invalid EAPOL length")
  513. if length < len(payload):
  514. payload = payload[0:length]
  515. eapol = {}
  516. eapol['version'] = version
  517. eapol['type'] = type
  518. eapol['length'] = length
  519. eapol['payload'] = payload
  520. if type == 3:
  521. # EAPOL-Key
  522. (eapol['descr_type'],) = struct.unpack('B', payload[0:1])
  523. payload = payload[1:]
  524. if eapol['descr_type'] == 2 or eapol['descr_type'] == 254:
  525. # RSN EAPOL-Key
  526. (key_info, key_len) = struct.unpack('>HH', payload[0:4])
  527. eapol['rsn_key_info'] = key_info
  528. eapol['rsn_key_len'] = key_len
  529. eapol['rsn_replay_counter'] = payload[4:12]
  530. eapol['rsn_key_nonce'] = payload[12:44]
  531. eapol['rsn_key_iv'] = payload[44:60]
  532. eapol['rsn_key_rsc'] = payload[60:68]
  533. eapol['rsn_key_id'] = payload[68:76]
  534. eapol['rsn_key_mic'] = payload[76:92]
  535. payload = payload[92:]
  536. (eapol['rsn_key_data_len'],) = struct.unpack('>H', payload[0:2])
  537. payload = payload[2:]
  538. eapol['rsn_key_data'] = payload
  539. return eapol
  540. def build_eapol(msg):
  541. data = struct.pack(">BBH", msg['version'], msg['type'], msg['length'])
  542. if msg['type'] == 3:
  543. data += struct.pack('>BHH', msg['descr_type'], msg['rsn_key_info'],
  544. msg['rsn_key_len'])
  545. data += msg['rsn_replay_counter']
  546. data += msg['rsn_key_nonce']
  547. data += msg['rsn_key_iv']
  548. data += msg['rsn_key_rsc']
  549. data += msg['rsn_key_id']
  550. data += msg['rsn_key_mic']
  551. data += struct.pack('>H', msg['rsn_key_data_len'])
  552. data += msg['rsn_key_data']
  553. else:
  554. data += msg['payload']
  555. return data
  556. def sha1_prf(key, label, data, outlen):
  557. res = ''
  558. counter = 0
  559. while outlen > 0:
  560. m = hmac.new(key, label, hashlib.sha1)
  561. m.update(struct.pack('B', 0))
  562. m.update(data)
  563. m.update(struct.pack('B', counter))
  564. counter += 1
  565. hash = m.digest()
  566. if outlen > len(hash):
  567. res += hash
  568. outlen -= len(hash)
  569. else:
  570. res += hash[0:outlen]
  571. outlen = 0
  572. return res
  573. def pmk_to_ptk(pmk, addr1, addr2, nonce1, nonce2):
  574. if addr1 < addr2:
  575. data = binascii.unhexlify(addr1.replace(':','')) + binascii.unhexlify(addr2.replace(':',''))
  576. else:
  577. data = binascii.unhexlify(addr2.replace(':','')) + binascii.unhexlify(addr1.replace(':',''))
  578. if nonce1 < nonce2:
  579. data += nonce1 + nonce2
  580. else:
  581. data += nonce2 + nonce1
  582. label = "Pairwise key expansion"
  583. ptk = sha1_prf(pmk, label, data, 48)
  584. kck = ptk[0:16]
  585. kek = ptk[16:32]
  586. return (ptk, kck, kek)
  587. def eapol_key_mic(kck, msg):
  588. msg['rsn_key_mic'] = binascii.unhexlify('00000000000000000000000000000000')
  589. data = build_eapol(msg)
  590. m = hmac.new(kck, data, hashlib.sha1)
  591. msg['rsn_key_mic'] = m.digest()[0:16]
  592. def rsn_eapol_key_set(msg, key_info, key_len, nonce, data):
  593. msg['rsn_key_info'] = key_info
  594. msg['rsn_key_len'] = key_len
  595. if nonce:
  596. msg['rsn_key_nonce'] = nonce
  597. else:
  598. msg['rsn_key_nonce'] = binascii.unhexlify('0000000000000000000000000000000000000000000000000000000000000000')
  599. if data:
  600. msg['rsn_key_data_len'] = len(data)
  601. msg['rsn_key_data'] = data
  602. msg['length'] = 95 + len(data)
  603. else:
  604. msg['rsn_key_data_len'] = 0
  605. msg['rsn_key_data'] = ''
  606. msg['length'] = 95
  607. def recv_eapol(hapd):
  608. ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
  609. if ev is None:
  610. raise Exception("Timeout on EAPOL-TX from hostapd")
  611. eapol = binascii.unhexlify(ev.split(' ')[2])
  612. return parse_eapol(eapol)
  613. def send_eapol(hapd, addr, data):
  614. res = hapd.request("EAPOL_RX " + addr + " " + binascii.hexlify(data))
  615. if "OK" not in res:
  616. raise Exception("EAPOL_RX to hostapd failed")
  617. def reply_eapol(info, hapd, addr, msg, key_info, nonce, data, kck):
  618. logger.info("Send EAPOL-Key msg " + info)
  619. rsn_eapol_key_set(msg, key_info, 0, nonce, data)
  620. eapol_key_mic(kck, msg)
  621. send_eapol(hapd, addr, build_eapol(msg))
  622. def hapd_connected(hapd):
  623. ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15)
  624. if ev is None:
  625. raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
  626. def eapol_test(apdev, dev, wpa2=True):
  627. bssid = apdev['bssid']
  628. if wpa2:
  629. ssid = "test-wpa2-psk"
  630. else:
  631. ssid = "test-wpa-psk"
  632. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  633. pmk = binascii.unhexlify(psk)
  634. if wpa2:
  635. params = hostapd.wpa2_params(ssid=ssid)
  636. else:
  637. params = hostapd.wpa_params(ssid=ssid)
  638. params['wpa_psk'] = psk
  639. hapd = hostapd.add_ap(apdev['ifname'], params)
  640. hapd.request("SET ext_eapol_frame_io 1")
  641. dev.request("SET ext_eapol_frame_io 1")
  642. dev.connect(ssid, raw_psk=psk, scan_freq="2412", wait_connect=False)
  643. addr = dev.p2p_interface_addr()
  644. if wpa2:
  645. rsne = binascii.unhexlify('30140100000fac040100000fac040100000fac020000')
  646. else:
  647. rsne = binascii.unhexlify('dd160050f20101000050f20201000050f20201000050f202')
  648. snonce = binascii.unhexlify('1111111111111111111111111111111111111111111111111111111111111111')
  649. return (bssid,ssid,hapd,snonce,pmk,addr,rsne)
  650. def test_ap_wpa2_psk_ext_eapol(dev, apdev):
  651. """WPA2-PSK AP using external EAPOL supplicant"""
  652. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  653. msg = recv_eapol(hapd)
  654. anonce = msg['rsn_key_nonce']
  655. logger.info("Replay same data back")
  656. send_eapol(hapd, addr, build_eapol(msg))
  657. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  658. logger.info("Truncated Key Data in EAPOL-Key msg 2/4")
  659. rsn_eapol_key_set(msg, 0x0101, 0, snonce, rsne)
  660. msg['length'] = 95 + 22 - 1
  661. send_eapol(hapd, addr, build_eapol(msg))
  662. reply_eapol("2/4", hapd, addr, msg, 0x010a, snonce, rsne, kck)
  663. msg = recv_eapol(hapd)
  664. if anonce != msg['rsn_key_nonce']:
  665. raise Exception("ANonce changed")
  666. logger.info("Replay same data back")
  667. send_eapol(hapd, addr, build_eapol(msg))
  668. reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
  669. hapd_connected(hapd)
  670. def test_ap_wpa2_psk_ext_eapol_retry1(dev, apdev):
  671. """WPA2 4-way handshake with EAPOL-Key 1/4 retransmitted"""
  672. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  673. msg1 = recv_eapol(hapd)
  674. anonce = msg1['rsn_key_nonce']
  675. msg2 = recv_eapol(hapd)
  676. if anonce != msg2['rsn_key_nonce']:
  677. raise Exception("ANonce changed")
  678. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  679. logger.info("Send EAPOL-Key msg 2/4")
  680. msg = msg2
  681. rsn_eapol_key_set(msg, 0x010a, 0, snonce, rsne)
  682. eapol_key_mic(kck, msg)
  683. send_eapol(hapd, addr, build_eapol(msg))
  684. msg = recv_eapol(hapd)
  685. if anonce != msg['rsn_key_nonce']:
  686. raise Exception("ANonce changed")
  687. reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
  688. hapd_connected(hapd)
  689. def test_ap_wpa2_psk_ext_eapol_retry1b(dev, apdev):
  690. """WPA2 4-way handshake with EAPOL-Key 1/4 and 2/4 retransmitted"""
  691. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  692. msg1 = recv_eapol(hapd)
  693. anonce = msg1['rsn_key_nonce']
  694. msg2 = recv_eapol(hapd)
  695. if anonce != msg2['rsn_key_nonce']:
  696. raise Exception("ANonce changed")
  697. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  698. reply_eapol("2/4 (a)", hapd, addr, msg1, 0x010a, snonce, rsne, kck)
  699. reply_eapol("2/4 (b)", hapd, addr, msg2, 0x010a, snonce, rsne, kck)
  700. msg = recv_eapol(hapd)
  701. if anonce != msg['rsn_key_nonce']:
  702. raise Exception("ANonce changed")
  703. reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
  704. hapd_connected(hapd)
  705. def test_ap_wpa2_psk_ext_eapol_retry1c(dev, apdev):
  706. """WPA2 4-way handshake with EAPOL-Key 1/4 and 2/4 retransmitted and SNonce changing"""
  707. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  708. msg1 = recv_eapol(hapd)
  709. anonce = msg1['rsn_key_nonce']
  710. msg2 = recv_eapol(hapd)
  711. if anonce != msg2['rsn_key_nonce']:
  712. raise Exception("ANonce changed")
  713. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  714. reply_eapol("2/4 (a)", hapd, addr, msg1, 0x010a, snonce, rsne, kck)
  715. snonce2 = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  716. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce2, anonce)
  717. reply_eapol("2/4 (b)", hapd, addr, msg2, 0x010a, snonce2, rsne, kck)
  718. msg = recv_eapol(hapd)
  719. if anonce != msg['rsn_key_nonce']:
  720. raise Exception("ANonce changed")
  721. reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
  722. hapd_connected(hapd)
  723. def test_ap_wpa2_psk_ext_eapol_retry1d(dev, apdev):
  724. """WPA2 4-way handshake with EAPOL-Key 1/4 and 2/4 retransmitted and SNonce changing and older used"""
  725. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  726. msg1 = recv_eapol(hapd)
  727. anonce = msg1['rsn_key_nonce']
  728. msg2 = recv_eapol(hapd)
  729. if anonce != msg2['rsn_key_nonce']:
  730. raise Exception("ANonce changed")
  731. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  732. reply_eapol("2/4 (a)", hapd, addr, msg1, 0x010a, snonce, rsne, kck)
  733. snonce2 = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  734. (ptk2, kck2, kek2) = pmk_to_ptk(pmk, addr, bssid, snonce2, anonce)
  735. reply_eapol("2/4 (b)", hapd, addr, msg2, 0x010a, snonce2, rsne, kck2)
  736. msg = recv_eapol(hapd)
  737. if anonce != msg['rsn_key_nonce']:
  738. raise Exception("ANonce changed")
  739. reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
  740. hapd_connected(hapd)
  741. def test_ap_wpa2_psk_ext_eapol_type_diff(dev, apdev):
  742. """WPA2 4-way handshake using external EAPOL supplicant"""
  743. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  744. msg = recv_eapol(hapd)
  745. anonce = msg['rsn_key_nonce']
  746. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  747. # Incorrect descriptor type (frame dropped)
  748. msg['descr_type'] = 253
  749. rsn_eapol_key_set(msg, 0x010a, 0, snonce, rsne)
  750. eapol_key_mic(kck, msg)
  751. send_eapol(hapd, addr, build_eapol(msg))
  752. # Incorrect descriptor type, but with a workaround (frame processed)
  753. msg['descr_type'] = 254
  754. rsn_eapol_key_set(msg, 0x010a, 0, snonce, rsne)
  755. eapol_key_mic(kck, msg)
  756. send_eapol(hapd, addr, build_eapol(msg))
  757. msg = recv_eapol(hapd)
  758. if anonce != msg['rsn_key_nonce']:
  759. raise Exception("ANonce changed")
  760. logger.info("Replay same data back")
  761. send_eapol(hapd, addr, build_eapol(msg))
  762. reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
  763. hapd_connected(hapd)
  764. def test_ap_wpa_psk_ext_eapol(dev, apdev):
  765. """WPA2-PSK AP using external EAPOL supplicant"""
  766. (bssid,ssid,hapd,snonce,pmk,addr,wpae) = eapol_test(apdev[0], dev[0],
  767. wpa2=False)
  768. msg = recv_eapol(hapd)
  769. anonce = msg['rsn_key_nonce']
  770. logger.info("Replay same data back")
  771. send_eapol(hapd, addr, build_eapol(msg))
  772. logger.info("Too short data")
  773. send_eapol(hapd, addr, build_eapol(msg)[0:98])
  774. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  775. msg['descr_type'] = 2
  776. reply_eapol("2/4(invalid type)", hapd, addr, msg, 0x010a, snonce, wpae, kck)
  777. msg['descr_type'] = 254
  778. reply_eapol("2/4", hapd, addr, msg, 0x010a, snonce, wpae, kck)
  779. msg = recv_eapol(hapd)
  780. if anonce != msg['rsn_key_nonce']:
  781. raise Exception("ANonce changed")
  782. logger.info("Replay same data back")
  783. send_eapol(hapd, addr, build_eapol(msg))
  784. reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
  785. hapd_connected(hapd)
  786. def test_ap_wpa2_psk_ext_eapol_key_info(dev, apdev):
  787. """WPA2-PSK 4-way handshake with strange key info values"""
  788. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  789. msg = recv_eapol(hapd)
  790. anonce = msg['rsn_key_nonce']
  791. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  792. rsn_eapol_key_set(msg, 0x0000, 0, snonce, rsne)
  793. send_eapol(hapd, addr, build_eapol(msg))
  794. rsn_eapol_key_set(msg, 0xffff, 0, snonce, rsne)
  795. send_eapol(hapd, addr, build_eapol(msg))
  796. # SMK M1
  797. rsn_eapol_key_set(msg, 0x2802, 0, snonce, rsne)
  798. send_eapol(hapd, addr, build_eapol(msg))
  799. # SMK M3
  800. rsn_eapol_key_set(msg, 0x2002, 0, snonce, rsne)
  801. send_eapol(hapd, addr, build_eapol(msg))
  802. # Request
  803. rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne)
  804. send_eapol(hapd, addr, build_eapol(msg))
  805. # Request
  806. rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne)
  807. tmp_kck = binascii.unhexlify('00000000000000000000000000000000')
  808. eapol_key_mic(tmp_kck, msg)
  809. send_eapol(hapd, addr, build_eapol(msg))
  810. reply_eapol("2/4", hapd, addr, msg, 0x010a, snonce, rsne, kck)
  811. msg = recv_eapol(hapd)
  812. if anonce != msg['rsn_key_nonce']:
  813. raise Exception("ANonce changed")
  814. # Request (valic MIC)
  815. rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne)
  816. eapol_key_mic(kck, msg)
  817. send_eapol(hapd, addr, build_eapol(msg))
  818. # Request (valid MIC, replayed counter)
  819. rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne)
  820. eapol_key_mic(kck, msg)
  821. send_eapol(hapd, addr, build_eapol(msg))
  822. reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck)
  823. hapd_connected(hapd)
  824. def build_eapol_key_1_4(anonce, replay_counter=1, key_data='', key_len=16):
  825. msg = {}
  826. msg['version'] = 2
  827. msg['type'] = 3
  828. msg['length'] = 95 + len(key_data)
  829. msg['descr_type'] = 2
  830. msg['rsn_key_info'] = 0x8a
  831. msg['rsn_key_len'] = key_len
  832. msg['rsn_replay_counter'] = struct.pack('>Q', replay_counter)
  833. msg['rsn_key_nonce'] = anonce
  834. msg['rsn_key_iv'] = binascii.unhexlify('00000000000000000000000000000000')
  835. msg['rsn_key_rsc'] = binascii.unhexlify('0000000000000000')
  836. msg['rsn_key_id'] = binascii.unhexlify('0000000000000000')
  837. msg['rsn_key_mic'] = binascii.unhexlify('00000000000000000000000000000000')
  838. msg['rsn_key_data_len'] = len(key_data)
  839. msg['rsn_key_data'] = key_data
  840. return msg
  841. def build_eapol_key_3_4(anonce, kck, key_data, replay_counter=2,
  842. key_info=0x13ca, extra_len=0, descr_type=2, key_len=16):
  843. msg = {}
  844. msg['version'] = 2
  845. msg['type'] = 3
  846. msg['length'] = 95 + len(key_data) + extra_len
  847. msg['descr_type'] = descr_type
  848. msg['rsn_key_info'] = key_info
  849. msg['rsn_key_len'] = key_len
  850. msg['rsn_replay_counter'] = struct.pack('>Q', replay_counter)
  851. msg['rsn_key_nonce'] = anonce
  852. msg['rsn_key_iv'] = binascii.unhexlify('00000000000000000000000000000000')
  853. msg['rsn_key_rsc'] = binascii.unhexlify('0000000000000000')
  854. msg['rsn_key_id'] = binascii.unhexlify('0000000000000000')
  855. msg['rsn_key_data_len'] = len(key_data)
  856. msg['rsn_key_data'] = key_data
  857. eapol_key_mic(kck, msg)
  858. return msg
  859. def aes_wrap(kek, plain):
  860. n = len(plain) / 8
  861. a = 0xa6a6a6a6a6a6a6a6
  862. enc = AES.new(kek).encrypt
  863. r = [plain[i * 8:(i + 1) * 8] for i in range(0, n)]
  864. for j in range(6):
  865. for i in range(1, n + 1):
  866. b = enc(struct.pack('>Q', a) + r[i - 1])
  867. a = struct.unpack('>Q', b[:8])[0] ^ (n * j + i)
  868. r[i - 1] =b[8:]
  869. return struct.pack('>Q', a) + ''.join(r)
  870. def pad_key_data(plain):
  871. pad_len = len(plain) % 8
  872. if pad_len:
  873. pad_len = 8 - pad_len
  874. plain += '\xdd'
  875. pad_len -= 1
  876. plain += pad_len * '\0'
  877. return plain
  878. def test_ap_wpa2_psk_supp_proto(dev, apdev):
  879. """WPA2-PSK 4-way handshake protocol testing for supplicant"""
  880. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  881. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  882. msg = recv_eapol(hapd)
  883. dev[0].dump_monitor()
  884. # Build own EAPOL-Key msg 1/4
  885. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  886. counter = 1
  887. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  888. counter += 1
  889. send_eapol(dev[0], addr, build_eapol(msg))
  890. msg = recv_eapol(dev[0])
  891. snonce = msg['rsn_key_nonce']
  892. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  893. logger.debug("Invalid AES wrap data length 0")
  894. dev[0].dump_monitor()
  895. msg = build_eapol_key_3_4(anonce, kck, '', replay_counter=counter)
  896. counter += 1
  897. send_eapol(dev[0], addr, build_eapol(msg))
  898. ev = dev[0].wait_event(["WPA: Unsupported AES-WRAP len 0"])
  899. if ev is None:
  900. raise Exception("Unsupported AES-WRAP len 0 not reported")
  901. logger.debug("Invalid AES wrap data length 1")
  902. dev[0].dump_monitor()
  903. msg = build_eapol_key_3_4(anonce, kck, '1', replay_counter=counter)
  904. counter += 1
  905. send_eapol(dev[0], addr, build_eapol(msg))
  906. ev = dev[0].wait_event(["WPA: Unsupported AES-WRAP len 1"])
  907. if ev is None:
  908. raise Exception("Unsupported AES-WRAP len 1 not reported")
  909. logger.debug("Invalid AES wrap data length 9")
  910. dev[0].dump_monitor()
  911. msg = build_eapol_key_3_4(anonce, kck, '123456789', replay_counter=counter)
  912. counter += 1
  913. send_eapol(dev[0], addr, build_eapol(msg))
  914. ev = dev[0].wait_event(["WPA: Unsupported AES-WRAP len 9"])
  915. if ev is None:
  916. raise Exception("Unsupported AES-WRAP len 9 not reported")
  917. logger.debug("Invalid AES wrap data payload")
  918. dev[0].dump_monitor()
  919. msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter)
  920. # do not increment counter to test replay protection
  921. send_eapol(dev[0], addr, build_eapol(msg))
  922. ev = dev[0].wait_event(["WPA: AES unwrap failed"])
  923. if ev is None:
  924. raise Exception("AES unwrap failure not reported")
  925. logger.debug("Replay Count not increasing")
  926. dev[0].dump_monitor()
  927. msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter)
  928. counter += 1
  929. send_eapol(dev[0], addr, build_eapol(msg))
  930. ev = dev[0].wait_event(["WPA: EAPOL-Key Replay Counter did not increase"])
  931. if ev is None:
  932. raise Exception("Replay Counter replay not reported")
  933. logger.debug("Missing Ack bit in key info")
  934. dev[0].dump_monitor()
  935. msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter,
  936. key_info=0x134a)
  937. counter += 1
  938. send_eapol(dev[0], addr, build_eapol(msg))
  939. ev = dev[0].wait_event(["WPA: No Ack bit in key_info"])
  940. if ev is None:
  941. raise Exception("Missing Ack bit not reported")
  942. logger.debug("Unexpected Request bit in key info")
  943. dev[0].dump_monitor()
  944. msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter,
  945. key_info=0x1bca)
  946. counter += 1
  947. send_eapol(dev[0], addr, build_eapol(msg))
  948. ev = dev[0].wait_event(["WPA: EAPOL-Key with Request bit"])
  949. if ev is None:
  950. raise Exception("Request bit not reported")
  951. logger.debug("Unsupported key descriptor version 0")
  952. dev[0].dump_monitor()
  953. msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef',
  954. replay_counter=counter, key_info=0x13c8)
  955. counter += 1
  956. send_eapol(dev[0], addr, build_eapol(msg))
  957. ev = dev[0].wait_event(["WPA: Unsupported EAPOL-Key descriptor version 0"])
  958. if ev is None:
  959. raise Exception("Unsupported EAPOL-Key descriptor version 0 not reported")
  960. logger.debug("Key descriptor version 1 not allowed with CCMP")
  961. dev[0].dump_monitor()
  962. msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef',
  963. replay_counter=counter, key_info=0x13c9)
  964. counter += 1
  965. send_eapol(dev[0], addr, build_eapol(msg))
  966. ev = dev[0].wait_event(["WPA: CCMP is used, but EAPOL-Key descriptor version (1) is not 2"])
  967. if ev is None:
  968. raise Exception("Not allowed EAPOL-Key descriptor version not reported")
  969. logger.debug("Invalid AES wrap payload with key descriptor version 2")
  970. dev[0].dump_monitor()
  971. msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef',
  972. replay_counter=counter, key_info=0x13ca)
  973. counter += 1
  974. send_eapol(dev[0], addr, build_eapol(msg))
  975. ev = dev[0].wait_event(["WPA: AES unwrap failed"])
  976. if ev is None:
  977. raise Exception("AES unwrap failure not reported")
  978. logger.debug("Key descriptor version 3 workaround")
  979. dev[0].dump_monitor()
  980. msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef',
  981. replay_counter=counter, key_info=0x13cb)
  982. counter += 1
  983. send_eapol(dev[0], addr, build_eapol(msg))
  984. ev = dev[0].wait_event(["WPA: CCMP is used, but EAPOL-Key descriptor version (3) is not 2"])
  985. if ev is None:
  986. raise Exception("CCMP key descriptor mismatch not reported")
  987. ev = dev[0].wait_event(["WPA: Interoperability workaround"])
  988. if ev is None:
  989. raise Exception("AES-128-CMAC workaround not reported")
  990. ev = dev[0].wait_event(["WPA: Invalid EAPOL-Key MIC - dropping packet"])
  991. if ev is None:
  992. raise Exception("MIC failure with AES-128-CMAC workaround not reported")
  993. logger.debug("Unsupported key descriptor version 4")
  994. dev[0].dump_monitor()
  995. msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef',
  996. replay_counter=counter, key_info=0x13cc)
  997. counter += 1
  998. send_eapol(dev[0], addr, build_eapol(msg))
  999. ev = dev[0].wait_event(["WPA: Unsupported EAPOL-Key descriptor version 4"])
  1000. if ev is None:
  1001. raise Exception("Unsupported EAPOL-Key descriptor version 4 not reported")
  1002. logger.debug("Unsupported key descriptor version 7")
  1003. dev[0].dump_monitor()
  1004. msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef',
  1005. replay_counter=counter, key_info=0x13cf)
  1006. counter += 1
  1007. send_eapol(dev[0], addr, build_eapol(msg))
  1008. ev = dev[0].wait_event(["WPA: Unsupported EAPOL-Key descriptor version 7"])
  1009. if ev is None:
  1010. raise Exception("Unsupported EAPOL-Key descriptor version 7 not reported")
  1011. logger.debug("Too short EAPOL header length")
  1012. dev[0].dump_monitor()
  1013. msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter,
  1014. extra_len=-1)
  1015. counter += 1
  1016. send_eapol(dev[0], addr, build_eapol(msg))
  1017. ev = dev[0].wait_event(["WPA: Invalid EAPOL-Key frame - key_data overflow (8 > 7)"])
  1018. if ev is None:
  1019. raise Exception("Key data overflow not reported")
  1020. logger.debug("Too long EAPOL header length")
  1021. msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter,
  1022. extra_len=1)
  1023. counter += 1
  1024. send_eapol(dev[0], addr, build_eapol(msg))
  1025. logger.debug("Unsupported descriptor type 0")
  1026. msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter,
  1027. descr_type=0)
  1028. counter += 1
  1029. send_eapol(dev[0], addr, build_eapol(msg))
  1030. logger.debug("WPA descriptor type 0")
  1031. msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter,
  1032. descr_type=254)
  1033. counter += 1
  1034. send_eapol(dev[0], addr, build_eapol(msg))
  1035. logger.debug("Non-zero key index for pairwise key")
  1036. dev[0].dump_monitor()
  1037. wrapped = aes_wrap(kek, 16*'z')
  1038. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
  1039. key_info=0x13ea)
  1040. counter += 1
  1041. send_eapol(dev[0], addr, build_eapol(msg))
  1042. ev = dev[0].wait_event(["WPA: Ignored EAPOL-Key (Pairwise) with non-zero key index"])
  1043. if ev is None:
  1044. raise Exception("Non-zero key index not reported")
  1045. logger.debug("Invalid Key Data plaintext payload --> disconnect")
  1046. dev[0].dump_monitor()
  1047. wrapped = aes_wrap(kek, 16*'z')
  1048. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1049. counter += 1
  1050. send_eapol(dev[0], addr, build_eapol(msg))
  1051. dev[0].wait_disconnected(timeout=1)
  1052. def test_ap_wpa2_psk_supp_proto_no_ie(dev, apdev):
  1053. """WPA2-PSK supplicant protocol testing: IE not included"""
  1054. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1055. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1056. msg = recv_eapol(hapd)
  1057. dev[0].dump_monitor()
  1058. # Build own EAPOL-Key msg 1/4
  1059. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1060. counter = 1
  1061. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1062. counter += 1
  1063. send_eapol(dev[0], addr, build_eapol(msg))
  1064. msg = recv_eapol(dev[0])
  1065. snonce = msg['rsn_key_nonce']
  1066. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1067. logger.debug("No IEs in msg 3/4 --> disconnect")
  1068. dev[0].dump_monitor()
  1069. wrapped = aes_wrap(kek, 16*'\0')
  1070. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1071. counter += 1
  1072. send_eapol(dev[0], addr, build_eapol(msg))
  1073. dev[0].wait_disconnected(timeout=1)
  1074. def test_ap_wpa2_psk_supp_proto_ie_mismatch(dev, apdev):
  1075. """WPA2-PSK supplicant protocol testing: IE mismatch"""
  1076. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1077. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1078. msg = recv_eapol(hapd)
  1079. dev[0].dump_monitor()
  1080. # Build own EAPOL-Key msg 1/4
  1081. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1082. counter = 1
  1083. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1084. counter += 1
  1085. send_eapol(dev[0], addr, build_eapol(msg))
  1086. msg = recv_eapol(dev[0])
  1087. snonce = msg['rsn_key_nonce']
  1088. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1089. logger.debug("Msg 3/4 with mismatching IE")
  1090. dev[0].dump_monitor()
  1091. wrapped = aes_wrap(kek, pad_key_data(binascii.unhexlify('30060100000fac04dd16000fac010100dc11188831bf4aa4a8678d2b41498618')))
  1092. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1093. counter += 1
  1094. send_eapol(dev[0], addr, build_eapol(msg))
  1095. dev[0].wait_disconnected(timeout=1)
  1096. def test_ap_wpa2_psk_supp_proto_ok(dev, apdev):
  1097. """WPA2-PSK supplicant protocol testing: success"""
  1098. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1099. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1100. msg = recv_eapol(hapd)
  1101. dev[0].dump_monitor()
  1102. # Build own EAPOL-Key msg 1/4
  1103. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1104. counter = 1
  1105. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1106. counter += 1
  1107. send_eapol(dev[0], addr, build_eapol(msg))
  1108. msg = recv_eapol(dev[0])
  1109. snonce = msg['rsn_key_nonce']
  1110. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1111. logger.debug("Valid EAPOL-Key msg 3/4")
  1112. dev[0].dump_monitor()
  1113. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618')
  1114. wrapped = aes_wrap(kek, pad_key_data(plain))
  1115. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1116. counter += 1
  1117. send_eapol(dev[0], addr, build_eapol(msg))
  1118. dev[0].wait_connected(timeout=1)
  1119. def test_ap_wpa2_psk_supp_proto_no_gtk(dev, apdev):
  1120. """WPA2-PSK supplicant protocol testing: no GTK"""
  1121. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1122. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1123. msg = recv_eapol(hapd)
  1124. dev[0].dump_monitor()
  1125. # Build own EAPOL-Key msg 1/4
  1126. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1127. counter = 1
  1128. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1129. counter += 1
  1130. send_eapol(dev[0], addr, build_eapol(msg))
  1131. msg = recv_eapol(dev[0])
  1132. snonce = msg['rsn_key_nonce']
  1133. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1134. logger.debug("EAPOL-Key msg 3/4 without GTK KDE")
  1135. dev[0].dump_monitor()
  1136. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00')
  1137. wrapped = aes_wrap(kek, pad_key_data(plain))
  1138. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1139. counter += 1
  1140. send_eapol(dev[0], addr, build_eapol(msg))
  1141. ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.1)
  1142. if ev is not None:
  1143. raise Exception("Unexpected connection completion reported")
  1144. def test_ap_wpa2_psk_supp_proto_anonce_change(dev, apdev):
  1145. """WPA2-PSK supplicant protocol testing: ANonce change"""
  1146. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1147. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1148. msg = recv_eapol(hapd)
  1149. dev[0].dump_monitor()
  1150. # Build own EAPOL-Key msg 1/4
  1151. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1152. counter = 1
  1153. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1154. counter += 1
  1155. send_eapol(dev[0], addr, build_eapol(msg))
  1156. msg = recv_eapol(dev[0])
  1157. snonce = msg['rsn_key_nonce']
  1158. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1159. logger.debug("Valid EAPOL-Key msg 3/4")
  1160. dev[0].dump_monitor()
  1161. anonce2 = binascii.unhexlify('3333333333333333333333333333333333333333333333333333333333333333')
  1162. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618')
  1163. wrapped = aes_wrap(kek, pad_key_data(plain))
  1164. msg = build_eapol_key_3_4(anonce2, kck, wrapped, replay_counter=counter)
  1165. counter += 1
  1166. send_eapol(dev[0], addr, build_eapol(msg))
  1167. ev = dev[0].wait_event(["WPA: ANonce from message 1 of 4-Way Handshake differs from 3 of 4-Way Handshake"])
  1168. if ev is None:
  1169. raise Exception("ANonce change not reported")
  1170. def test_ap_wpa2_psk_supp_proto_unexpected_group_msg(dev, apdev):
  1171. """WPA2-PSK supplicant protocol testing: unexpected group message"""
  1172. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1173. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1174. msg = recv_eapol(hapd)
  1175. dev[0].dump_monitor()
  1176. # Build own EAPOL-Key msg 1/4
  1177. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1178. counter = 1
  1179. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1180. counter += 1
  1181. send_eapol(dev[0], addr, build_eapol(msg))
  1182. msg = recv_eapol(dev[0])
  1183. snonce = msg['rsn_key_nonce']
  1184. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1185. logger.debug("Group key 1/2 instead of msg 3/4")
  1186. dev[0].dump_monitor()
  1187. wrapped = aes_wrap(kek, binascii.unhexlify('dd16000fac010100dc11188831bf4aa4a8678d2b41498618'))
  1188. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
  1189. key_info=0x13c2)
  1190. counter += 1
  1191. send_eapol(dev[0], addr, build_eapol(msg))
  1192. ev = dev[0].wait_event(["WPA: Group Key Handshake started prior to completion of 4-way handshake"])
  1193. if ev is None:
  1194. raise Exception("Unexpected group key message not reported")
  1195. dev[0].wait_disconnected(timeout=1)
  1196. def test_ap_wpa2_psk_supp_proto_msg_1_invalid_kde(dev, apdev):
  1197. """WPA2-PSK supplicant protocol testing: invalid KDE in msg 1/4"""
  1198. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1199. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1200. msg = recv_eapol(hapd)
  1201. dev[0].dump_monitor()
  1202. # Build own EAPOL-Key msg 1/4 with invalid KDE
  1203. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1204. counter = 1
  1205. msg = build_eapol_key_1_4(anonce, replay_counter=counter,
  1206. key_data=binascii.unhexlify('5555'))
  1207. counter += 1
  1208. send_eapol(dev[0], addr, build_eapol(msg))
  1209. dev[0].wait_disconnected(timeout=1)
  1210. def test_ap_wpa2_psk_supp_proto_wrong_pairwise_key_len(dev, apdev):
  1211. """WPA2-PSK supplicant protocol testing: wrong pairwise key length"""
  1212. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1213. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1214. msg = recv_eapol(hapd)
  1215. dev[0].dump_monitor()
  1216. # Build own EAPOL-Key msg 1/4
  1217. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1218. counter = 1
  1219. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1220. counter += 1
  1221. send_eapol(dev[0], addr, build_eapol(msg))
  1222. msg = recv_eapol(dev[0])
  1223. snonce = msg['rsn_key_nonce']
  1224. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1225. logger.debug("Valid EAPOL-Key msg 3/4")
  1226. dev[0].dump_monitor()
  1227. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618')
  1228. wrapped = aes_wrap(kek, pad_key_data(plain))
  1229. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
  1230. key_len=15)
  1231. counter += 1
  1232. send_eapol(dev[0], addr, build_eapol(msg))
  1233. ev = dev[0].wait_event(["WPA: Invalid CCMP key length 15"])
  1234. if ev is None:
  1235. raise Exception("Invalid CCMP key length not reported")
  1236. dev[0].wait_disconnected(timeout=1)
  1237. def test_ap_wpa2_psk_supp_proto_wrong_group_key_len(dev, apdev):
  1238. """WPA2-PSK supplicant protocol testing: wrong group key length"""
  1239. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1240. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1241. msg = recv_eapol(hapd)
  1242. dev[0].dump_monitor()
  1243. # Build own EAPOL-Key msg 1/4
  1244. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1245. counter = 1
  1246. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1247. counter += 1
  1248. send_eapol(dev[0], addr, build_eapol(msg))
  1249. msg = recv_eapol(dev[0])
  1250. snonce = msg['rsn_key_nonce']
  1251. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1252. logger.debug("Valid EAPOL-Key msg 3/4")
  1253. dev[0].dump_monitor()
  1254. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd15000fac010100dc11188831bf4aa4a8678d2b414986')
  1255. wrapped = aes_wrap(kek, pad_key_data(plain))
  1256. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1257. counter += 1
  1258. send_eapol(dev[0], addr, build_eapol(msg))
  1259. ev = dev[0].wait_event(["WPA: Unsupported CCMP Group Cipher key length 15"])
  1260. if ev is None:
  1261. raise Exception("Invalid CCMP key length not reported")
  1262. dev[0].wait_disconnected(timeout=1)
  1263. def test_ap_wpa2_psk_supp_proto_gtk_tx_bit_workaround(dev, apdev):
  1264. """WPA2-PSK supplicant protocol testing: GTK TX bit workaround"""
  1265. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1266. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1267. msg = recv_eapol(hapd)
  1268. dev[0].dump_monitor()
  1269. # Build own EAPOL-Key msg 1/4
  1270. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1271. counter = 1
  1272. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1273. counter += 1
  1274. send_eapol(dev[0], addr, build_eapol(msg))
  1275. msg = recv_eapol(dev[0])
  1276. snonce = msg['rsn_key_nonce']
  1277. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1278. logger.debug("Valid EAPOL-Key msg 3/4")
  1279. dev[0].dump_monitor()
  1280. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010500dc11188831bf4aa4a8678d2b41498618')
  1281. wrapped = aes_wrap(kek, pad_key_data(plain))
  1282. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1283. counter += 1
  1284. send_eapol(dev[0], addr, build_eapol(msg))
  1285. ev = dev[0].wait_event(["WPA: Tx bit set for GTK, but pairwise keys are used - ignore Tx bit"])
  1286. if ev is None:
  1287. raise Exception("GTK Tx bit workaround not reported")
  1288. dev[0].wait_connected(timeout=1)
  1289. def test_ap_wpa2_psk_supp_proto_gtk_keyidx_0_and_3(dev, apdev):
  1290. """WPA2-PSK supplicant protocol testing: GTK key index 0 and 3"""
  1291. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1292. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1293. msg = recv_eapol(hapd)
  1294. dev[0].dump_monitor()
  1295. # Build own EAPOL-Key msg 1/4
  1296. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1297. counter = 1
  1298. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1299. counter += 1
  1300. send_eapol(dev[0], addr, build_eapol(msg))
  1301. msg = recv_eapol(dev[0])
  1302. snonce = msg['rsn_key_nonce']
  1303. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1304. logger.debug("Valid EAPOL-Key msg 3/4 (GTK keyidx 0)")
  1305. dev[0].dump_monitor()
  1306. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010000dc11188831bf4aa4a8678d2b41498618')
  1307. wrapped = aes_wrap(kek, pad_key_data(plain))
  1308. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1309. counter += 1
  1310. send_eapol(dev[0], addr, build_eapol(msg))
  1311. dev[0].wait_connected(timeout=1)
  1312. logger.debug("Valid EAPOL-Key group msg 1/2 (GTK keyidx 3)")
  1313. dev[0].dump_monitor()
  1314. plain = binascii.unhexlify('dd16000fac010300dc11188831bf4aa4a8678d2b41498618')
  1315. wrapped = aes_wrap(kek, pad_key_data(plain))
  1316. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
  1317. key_info=0x13c2)
  1318. counter += 1
  1319. send_eapol(dev[0], addr, build_eapol(msg))
  1320. msg = recv_eapol(dev[0])
  1321. ev = dev[0].wait_event(["WPA: Group rekeying completed"])
  1322. if ev is None:
  1323. raise Exception("GTK rekeing not reported")
  1324. logger.debug("Unencrypted GTK KDE in group msg 1/2")
  1325. dev[0].dump_monitor()
  1326. plain = binascii.unhexlify('dd16000fac010300dc11188831bf4aa4a8678d2b41498618')
  1327. msg = build_eapol_key_3_4(anonce, kck, plain, replay_counter=counter,
  1328. key_info=0x03c2)
  1329. counter += 1
  1330. send_eapol(dev[0], addr, build_eapol(msg))
  1331. ev = dev[0].wait_event(["WPA: GTK IE in unencrypted key data"])
  1332. if ev is None:
  1333. raise Exception("Unencrypted GTK KDE not reported")
  1334. dev[0].wait_disconnected(timeout=1)
  1335. def test_ap_wpa2_psk_supp_proto_no_gtk_in_group_msg(dev, apdev):
  1336. """WPA2-PSK supplicant protocol testing: GTK KDE missing from group msg"""
  1337. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1338. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1339. msg = recv_eapol(hapd)
  1340. dev[0].dump_monitor()
  1341. # Build own EAPOL-Key msg 1/4
  1342. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1343. counter = 1
  1344. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1345. counter += 1
  1346. send_eapol(dev[0], addr, build_eapol(msg))
  1347. msg = recv_eapol(dev[0])
  1348. snonce = msg['rsn_key_nonce']
  1349. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1350. logger.debug("Valid EAPOL-Key msg 3/4 (GTK keyidx 0)")
  1351. dev[0].dump_monitor()
  1352. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010000dc11188831bf4aa4a8678d2b41498618')
  1353. wrapped = aes_wrap(kek, pad_key_data(plain))
  1354. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1355. counter += 1
  1356. send_eapol(dev[0], addr, build_eapol(msg))
  1357. dev[0].wait_connected(timeout=1)
  1358. logger.debug("No GTK KDE in EAPOL-Key group msg 1/2")
  1359. dev[0].dump_monitor()
  1360. plain = binascii.unhexlify('dd00dd00dd00dd00dd00dd00dd00dd00')
  1361. wrapped = aes_wrap(kek, pad_key_data(plain))
  1362. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
  1363. key_info=0x13c2)
  1364. counter += 1
  1365. send_eapol(dev[0], addr, build_eapol(msg))
  1366. ev = dev[0].wait_event(["WPA: No GTK IE in Group Key msg 1/2"])
  1367. if ev is None:
  1368. raise Exception("Missing GTK KDE not reported")
  1369. dev[0].wait_disconnected(timeout=1)
  1370. def test_ap_wpa2_psk_supp_proto_too_long_gtk_in_group_msg(dev, apdev):
  1371. """WPA2-PSK supplicant protocol testing: too long GTK KDE in group msg"""
  1372. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1373. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1374. msg = recv_eapol(hapd)
  1375. dev[0].dump_monitor()
  1376. # Build own EAPOL-Key msg 1/4
  1377. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1378. counter = 1
  1379. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1380. counter += 1
  1381. send_eapol(dev[0], addr, build_eapol(msg))
  1382. msg = recv_eapol(dev[0])
  1383. snonce = msg['rsn_key_nonce']
  1384. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1385. logger.debug("Valid EAPOL-Key msg 3/4 (GTK keyidx 0)")
  1386. dev[0].dump_monitor()
  1387. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010000dc11188831bf4aa4a8678d2b41498618')
  1388. wrapped = aes_wrap(kek, pad_key_data(plain))
  1389. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1390. counter += 1
  1391. send_eapol(dev[0], addr, build_eapol(msg))
  1392. dev[0].wait_connected(timeout=1)
  1393. logger.debug("EAPOL-Key group msg 1/2 with too long GTK KDE")
  1394. dev[0].dump_monitor()
  1395. plain = binascii.unhexlify('dd27000fac010100ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff')
  1396. wrapped = aes_wrap(kek, pad_key_data(plain))
  1397. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter,
  1398. key_info=0x13c2)
  1399. counter += 1
  1400. send_eapol(dev[0], addr, build_eapol(msg))
  1401. ev = dev[0].wait_event(["WPA: Unsupported CCMP Group Cipher key length 33"])
  1402. if ev is None:
  1403. raise Exception("Too long GTK KDE not reported")
  1404. dev[0].wait_disconnected(timeout=1)
  1405. def test_ap_wpa2_psk_supp_proto_too_long_gtk_kde(dev, apdev):
  1406. """WPA2-PSK supplicant protocol testing: too long GTK KDE"""
  1407. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1408. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1409. msg = recv_eapol(hapd)
  1410. dev[0].dump_monitor()
  1411. # Build own EAPOL-Key msg 1/4
  1412. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1413. counter = 1
  1414. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1415. counter += 1
  1416. send_eapol(dev[0], addr, build_eapol(msg))
  1417. msg = recv_eapol(dev[0])
  1418. snonce = msg['rsn_key_nonce']
  1419. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1420. logger.debug("EAPOL-Key msg 3/4 with too short GTK KDE")
  1421. dev[0].dump_monitor()
  1422. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd27000fac010100ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff')
  1423. wrapped = aes_wrap(kek, pad_key_data(plain))
  1424. msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter)
  1425. counter += 1
  1426. send_eapol(dev[0], addr, build_eapol(msg))
  1427. dev[0].wait_disconnected(timeout=1)
  1428. def test_ap_wpa2_psk_supp_proto_gtk_not_encrypted(dev, apdev):
  1429. """WPA2-PSK supplicant protocol testing: GTK KDE not encrypted"""
  1430. (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0])
  1431. # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated
  1432. msg = recv_eapol(hapd)
  1433. dev[0].dump_monitor()
  1434. # Build own EAPOL-Key msg 1/4
  1435. anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222')
  1436. counter = 1
  1437. msg = build_eapol_key_1_4(anonce, replay_counter=counter)
  1438. counter += 1
  1439. send_eapol(dev[0], addr, build_eapol(msg))
  1440. msg = recv_eapol(dev[0])
  1441. snonce = msg['rsn_key_nonce']
  1442. (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce)
  1443. logger.debug("Valid EAPOL-Key msg 3/4")
  1444. dev[0].dump_monitor()
  1445. plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618')
  1446. msg = build_eapol_key_3_4(anonce, kck, plain, replay_counter=counter,
  1447. key_info=0x03ca)
  1448. counter += 1
  1449. send_eapol(dev[0], addr, build_eapol(msg))
  1450. ev = dev[0].wait_event(["WPA: GTK IE in unencrypted key data"])
  1451. if ev is None:
  1452. raise Exception("Unencrypted GTK KDE not reported")
  1453. dev[0].wait_disconnected(timeout=1)
  1454. def find_wpas_process(dev):
  1455. ifname = dev.ifname
  1456. cmd = subprocess.Popen(['ps', 'ax'], stdout=subprocess.PIPE)
  1457. (data,err) = cmd.communicate()
  1458. for l in data.splitlines():
  1459. if "wpa_supplicant" not in l:
  1460. continue
  1461. if "-i" + ifname not in l:
  1462. continue
  1463. return int(l.strip().split(' ')[0])
  1464. raise Exception("Could not find wpa_supplicant process")
  1465. def read_process_memory(pid, key=None):
  1466. buf = bytes()
  1467. with open('/proc/%d/maps' % pid, 'r') as maps, \
  1468. open('/proc/%d/mem' % pid, 'r') as mem:
  1469. for l in maps.readlines():
  1470. m = re.match(r'([0-9a-f]+)-([0-9a-f]+) ([-r][-w][-x][-p])', l)
  1471. if not m:
  1472. continue
  1473. start = int(m.group(1), 16)
  1474. end = int(m.group(2), 16)
  1475. perm = m.group(3)
  1476. if start > 0xffffffffffff:
  1477. continue
  1478. if end < start:
  1479. continue
  1480. if not perm.startswith('rw'):
  1481. continue
  1482. mem.seek(start)
  1483. data = mem.read(end - start)
  1484. buf += data
  1485. if key and key in data:
  1486. logger.info("Key found in " + l)
  1487. return buf
  1488. def verify_not_present(buf, key, fname, keyname):
  1489. pos = buf.find(key)
  1490. if pos < 0:
  1491. return
  1492. prefix = 2048 if pos > 2048 else pos
  1493. with open(fname + keyname, 'w') as f:
  1494. f.write(buf[pos - prefix:pos + 2048])
  1495. raise Exception(keyname + " found after disassociation")
  1496. def get_key_locations(buf, key, keyname):
  1497. count = 0
  1498. pos = 0
  1499. while True:
  1500. pos = buf.find(key, pos)
  1501. if pos < 0:
  1502. break
  1503. logger.info("Found %s at %d" % (keyname, pos))
  1504. count += 1
  1505. pos += len(key)
  1506. return count
  1507. def test_wpa2_psk_key_lifetime_in_memory(dev, apdev, params):
  1508. """WPA2-PSK and PSK/PTK lifetime in memory"""
  1509. ssid = "test-wpa2-psk"
  1510. passphrase = 'qwertyuiop'
  1511. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  1512. pmk = binascii.unhexlify(psk)
  1513. p = hostapd.wpa2_params(ssid=ssid)
  1514. p['wpa_psk'] = psk
  1515. hapd = hostapd.add_ap(apdev[0]['ifname'], p)
  1516. pid = find_wpas_process(dev[0])
  1517. id = dev[0].connect(ssid, raw_psk=psk, scan_freq="2412",
  1518. only_add_network=True)
  1519. logger.info("Checking keys in memory after network profile configuration")
  1520. buf = read_process_memory(pid, pmk)
  1521. get_key_locations(buf, pmk, "PMK")
  1522. dev[0].request("REMOVE_NETWORK all")
  1523. logger.info("Checking keys in memory after network profile removal")
  1524. buf = read_process_memory(pid, pmk)
  1525. get_key_locations(buf, pmk, "PMK")
  1526. id = dev[0].connect(ssid, psk=passphrase, scan_freq="2412",
  1527. only_add_network=True)
  1528. logger.info("Checking keys in memory before connection")
  1529. buf = read_process_memory(pid, pmk)
  1530. get_key_locations(buf, pmk, "PMK")
  1531. dev[0].connect_network(id, timeout=20)
  1532. time.sleep(1)
  1533. buf = read_process_memory(pid, pmk)
  1534. dev[0].request("DISCONNECT")
  1535. dev[0].wait_disconnected()
  1536. dev[0].relog()
  1537. ptk = None
  1538. gtk = None
  1539. with open(os.path.join(params['logdir'], 'log0'), 'r') as f:
  1540. for l in f.readlines():
  1541. if "WPA: PTK - hexdump" in l:
  1542. val = l.strip().split(':')[3].replace(' ', '')
  1543. ptk = binascii.unhexlify(val)
  1544. if "WPA: Group Key - hexdump" in l:
  1545. val = l.strip().split(':')[3].replace(' ', '')
  1546. gtk = binascii.unhexlify(val)
  1547. if not pmk or not ptk or not gtk:
  1548. raise Exception("Could not find keys from debug log")
  1549. if len(gtk) != 16:
  1550. raise Exception("Unexpected GTK length")
  1551. kck = ptk[0:16]
  1552. kek = ptk[16:32]
  1553. tk = ptk[32:48]
  1554. logger.info("Checking keys in memory while associated")
  1555. get_key_locations(buf, pmk, "PMK")
  1556. if pmk not in buf:
  1557. raise HwsimSkip("PMK not found while associated")
  1558. if kck not in buf:
  1559. raise Exception("KCK not found while associated")
  1560. if kek not in buf:
  1561. raise Exception("KEK not found while associated")
  1562. if tk in buf:
  1563. raise Exception("TK found from memory")
  1564. if gtk in buf:
  1565. get_key_locations(buf, gtk, "GTK")
  1566. raise Exception("GTK found from memory")
  1567. logger.info("Checking keys in memory after disassociation")
  1568. buf = read_process_memory(pid, pmk)
  1569. get_key_locations(buf, pmk, "PMK")
  1570. # Note: PMK/PSK is still present in network configuration
  1571. fname = os.path.join(params['logdir'],
  1572. 'wpa2_psk_key_lifetime_in_memory.memctx-')
  1573. verify_not_present(buf, kck, fname, "KCK")
  1574. verify_not_present(buf, kek, fname, "KEK")
  1575. verify_not_present(buf, tk, fname, "TK")
  1576. verify_not_present(buf, gtk, fname, "GTK")
  1577. dev[0].request("REMOVE_NETWORK all")
  1578. logger.info("Checking keys in memory after network profile removal")
  1579. buf = read_process_memory(pid, pmk)
  1580. get_key_locations(buf, pmk, "PMK")
  1581. verify_not_present(buf, pmk, fname, "PMK")
  1582. verify_not_present(buf, kck, fname, "KCK")
  1583. verify_not_present(buf, kek, fname, "KEK")
  1584. verify_not_present(buf, tk, fname, "TK")
  1585. verify_not_present(buf, gtk, fname, "GTK")
  1586. def test_ap_wpa2_psk_wep(dev, apdev):
  1587. """WPA2-PSK AP and WEP enabled"""
  1588. ssid = "test-wpa2-psk"
  1589. passphrase = 'qwertyuiop'
  1590. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  1591. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  1592. try:
  1593. hapd.set('wep_key0', '"hello"')
  1594. raise Exception("WEP key accepted to WPA2 network")
  1595. except Exception:
  1596. pass
  1597. def test_ap_wpa2_psk_wpas_in_bridge(dev, apdev):
  1598. """WPA2-PSK AP and wpas interface in a bridge"""
  1599. br_ifname='sta-br0'
  1600. ifname='wlan5'
  1601. try:
  1602. _test_ap_wpa2_psk_wpas_in_bridge(dev, apdev)
  1603. finally:
  1604. subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down'])
  1605. subprocess.call(['brctl', 'delif', br_ifname, ifname])
  1606. subprocess.call(['brctl', 'delbr', br_ifname])
  1607. subprocess.call(['iw', ifname, 'set', '4addr', 'off'])
  1608. def _test_ap_wpa2_psk_wpas_in_bridge(dev, apdev):
  1609. ssid = "test-wpa2-psk"
  1610. passphrase = 'qwertyuiop'
  1611. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  1612. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  1613. br_ifname='sta-br0'
  1614. ifname='wlan5'
  1615. wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
  1616. subprocess.call(['brctl', 'addbr', br_ifname])
  1617. subprocess.call(['brctl', 'setfd', br_ifname, '0'])
  1618. subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up'])
  1619. subprocess.call(['iw', ifname, 'set', '4addr', 'on'])
  1620. subprocess.check_call(['brctl', 'addif', br_ifname, ifname])
  1621. wpas.interface_add(ifname, br_ifname=br_ifname)
  1622. wpas.dump_monitor()
  1623. wpas.connect(ssid, psk=passphrase, scan_freq="2412")
  1624. wpas.dump_monitor()
  1625. def test_ap_wpa2_psk_ifdown(dev, apdev):
  1626. """AP with open mode and external ifconfig down"""
  1627. ssid = "test-wpa2-psk"
  1628. passphrase = 'qwertyuiop'
  1629. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  1630. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  1631. bssid = apdev[0]['bssid']
  1632. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  1633. subprocess.call(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'down'])
  1634. ev = hapd.wait_event(["INTERFACE-DISABLED"], timeout=10)
  1635. if ev is None:
  1636. raise Exception("No INTERFACE-DISABLED event")
  1637. # this wait tests beacon loss detection in mac80211
  1638. dev[0].wait_disconnected()
  1639. subprocess.call(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'up'])
  1640. ev = hapd.wait_event(["INTERFACE-ENABLED"], timeout=10)
  1641. if ev is None:
  1642. raise Exception("No INTERFACE-ENABLED event")
  1643. dev[0].wait_connected()
  1644. hwsim_utils.test_connectivity(dev[0], hapd)
  1645. def test_ap_wpa2_psk_drop_first_msg_4(dev, apdev):
  1646. """WPA2-PSK and first EAPOL-Key msg 4/4 dropped"""
  1647. bssid = apdev[0]['bssid']
  1648. ssid = "test-wpa2-psk"
  1649. passphrase = 'qwertyuiop'
  1650. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  1651. params = hostapd.wpa2_params(ssid=ssid)
  1652. params['wpa_psk'] = psk
  1653. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  1654. hapd.request("SET ext_eapol_frame_io 1")
  1655. dev[0].request("SET ext_eapol_frame_io 1")
  1656. dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False)
  1657. addr = dev[0].own_addr()
  1658. # EAPOL-Key msg 1/4
  1659. ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
  1660. if ev is None:
  1661. raise Exception("Timeout on EAPOL-TX from hostapd")
  1662. res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
  1663. if "OK" not in res:
  1664. raise Exception("EAPOL_RX to wpa_supplicant failed")
  1665. # EAPOL-Key msg 2/4
  1666. ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
  1667. if ev is None:
  1668. raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
  1669. res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2])
  1670. if "OK" not in res:
  1671. raise Exception("EAPOL_RX to hostapd failed")
  1672. # EAPOL-Key msg 3/4
  1673. ev = hapd.wait_event(["EAPOL-TX"], timeout=15)
  1674. if ev is None:
  1675. raise Exception("Timeout on EAPOL-TX from hostapd")
  1676. res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2])
  1677. if "OK" not in res:
  1678. raise Exception("EAPOL_RX to wpa_supplicant failed")
  1679. # EAPOL-Key msg 4/4
  1680. ev = dev[0].wait_event(["EAPOL-TX"], timeout=15)
  1681. if ev is None:
  1682. raise Exception("Timeout on EAPOL-TX from wpa_supplicant")
  1683. logger.info("Drop the first EAPOL-Key msg 4/4")
  1684. # wpa_supplicant believes now that 4-way handshake succeeded; hostapd
  1685. # doesn't. Use normal EAPOL TX/RX to handle retries.
  1686. hapd.request("SET ext_eapol_frame_io 0")
  1687. dev[0].request("SET ext_eapol_frame_io 0")
  1688. dev[0].wait_connected()
  1689. ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15)
  1690. if ev is None:
  1691. raise Exception("Timeout on AP-STA-CONNECTED from hostapd")
  1692. ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.1)
  1693. if ev is not None:
  1694. logger.info("Disconnection detected")
  1695. # The EAPOL-Key retries are supposed to allow the connection to be
  1696. # established without having to reassociate. However, this does not
  1697. # currently work since mac80211 ends up encrypting EAPOL-Key msg 4/4
  1698. # after the pairwise key has been configured and AP will drop those and
  1699. # disconnect the station after reaching retransmission limit. Connection
  1700. # is then established after reassociation. Once that behavior has been
  1701. # optimized to prevent EAPOL-Key frame encryption for retransmission
  1702. # case, this exception can be uncommented here.
  1703. #raise Exception("Unexpected disconnection")
  1704. def test_ap_wpa2_psk_disable_enable(dev, apdev):
  1705. """WPA2-PSK AP getting disabled and re-enabled"""
  1706. ssid = "test-wpa2-psk"
  1707. passphrase = 'qwertyuiop'
  1708. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  1709. params = hostapd.wpa2_params(ssid=ssid)
  1710. params['wpa_psk'] = psk
  1711. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  1712. dev[0].connect(ssid, raw_psk=psk, scan_freq="2412")
  1713. for i in range(2):
  1714. hapd.request("DISABLE")
  1715. dev[0].wait_disconnected()
  1716. hapd.request("ENABLE")
  1717. dev[0].wait_connected()
  1718. hwsim_utils.test_connectivity(dev[0], hapd)
  1719. def test_ap_wpa2_psk_incorrect_passphrase(dev, apdev):
  1720. """WPA2-PSK AP and station using incorrect passphrase"""
  1721. ssid = "test-wpa2-psk"
  1722. passphrase = 'qwertyuiop'
  1723. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  1724. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  1725. dev[0].connect(ssid, psk="incorrect passphrase", scan_freq="2412",
  1726. wait_connect=False)
  1727. ev = hapd.wait_event(["AP-STA-POSSIBLE-PSK-MISMATCH"], timeout=10)
  1728. if ev is None:
  1729. raise Exception("No AP-STA-POSSIBLE-PSK-MISMATCH reported")
  1730. dev[0].dump_monitor()
  1731. hapd.disable()
  1732. hapd.set("wpa_passphrase", "incorrect passphrase")
  1733. hapd.enable()
  1734. dev[0].wait_connected(timeout=20)
  1735. def test_ap_wpa_ie_parsing(dev, apdev):
  1736. """WPA IE parsing"""
  1737. skip_with_fips(dev[0])
  1738. ssid = "test-wpa-psk"
  1739. passphrase = 'qwertyuiop'
  1740. params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase)
  1741. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  1742. id = dev[0].connect(ssid, psk=passphrase, scan_freq="2412",
  1743. only_add_network=True)
  1744. tests = [ "dd040050f201",
  1745. "dd050050f20101",
  1746. "dd060050f2010100",
  1747. "dd060050f2010001",
  1748. "dd070050f201010000",
  1749. "dd080050f20101000050",
  1750. "dd090050f20101000050f2",
  1751. "dd0a0050f20101000050f202",
  1752. "dd0b0050f20101000050f20201",
  1753. "dd0c0050f20101000050f2020100",
  1754. "dd0c0050f20101000050f2020000",
  1755. "dd0c0050f20101000050f202ffff",
  1756. "dd0d0050f20101000050f202010000",
  1757. "dd0e0050f20101000050f20201000050",
  1758. "dd0f0050f20101000050f20201000050f2",
  1759. "dd100050f20101000050f20201000050f202",
  1760. "dd110050f20101000050f20201000050f20201",
  1761. "dd120050f20101000050f20201000050f2020100",
  1762. "dd120050f20101000050f20201000050f2020000",
  1763. "dd120050f20101000050f20201000050f202ffff",
  1764. "dd130050f20101000050f20201000050f202010000",
  1765. "dd140050f20101000050f20201000050f20201000050",
  1766. "dd150050f20101000050f20201000050f20201000050f2" ]
  1767. for t in tests:
  1768. try:
  1769. if "OK" not in dev[0].request("VENDOR_ELEM_ADD 13 " + t):
  1770. raise Exception("VENDOR_ELEM_ADD failed")
  1771. dev[0].select_network(id)
  1772. ev = dev[0].wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=10)
  1773. if ev is None:
  1774. raise Exception("Association rejection not reported")
  1775. dev[0].request("DISCONNECT")
  1776. dev[0].dump_monitor()
  1777. finally:
  1778. dev[0].request("VENDOR_ELEM_REMOVE 13 *")
  1779. tests = [ "dd170050f20101000050f20201000050f20201000050f202ff",
  1780. "dd180050f20101000050f20201000050f20201000050f202ffff",
  1781. "dd190050f20101000050f20201000050f20201000050f202ffffff" ]
  1782. for t in tests:
  1783. try:
  1784. if "OK" not in dev[0].request("VENDOR_ELEM_ADD 13 " + t):
  1785. raise Exception("VENDOR_ELEM_ADD failed")
  1786. dev[0].select_network(id)
  1787. dev[0].wait_connected()
  1788. dev[0].request("DISCONNECT")
  1789. dev[0].dump_monitor()
  1790. finally:
  1791. dev[0].request("VENDOR_ELEM_REMOVE 13 *")
  1792. def test_ap_wpa2_psk_no_random(dev, apdev):
  1793. """WPA2-PSK AP and no random numbers available"""
  1794. ssid = "test-wpa2-psk"
  1795. passphrase = 'qwertyuiop'
  1796. psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
  1797. params = hostapd.wpa2_params(ssid=ssid)
  1798. params['wpa_psk'] = psk
  1799. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  1800. with fail_test(hapd, 1, "wpa_gmk_to_gtk"):
  1801. id = dev[0].connect(ssid, raw_psk=psk, scan_freq="2412",
  1802. wait_connect=False)
  1803. ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=15)
  1804. if ev is None:
  1805. raise Exception("Disconnection event not reported")
  1806. dev[0].request("DISCONNECT")
  1807. dev[0].select_network(id, freq=2412)
  1808. dev[0].wait_connected()
  1809. def test_rsn_ie_proto_psk_sta(dev, apdev):
  1810. """RSN element protocol testing for PSK cases on STA side"""
  1811. bssid = apdev[0]['bssid']
  1812. ssid = "test-wpa2-psk"
  1813. passphrase = 'qwertyuiop'
  1814. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  1815. # This is the RSN element used normally by hostapd
  1816. params['own_ie_override'] = '30140100000fac040100000fac040100000fac020c00'
  1817. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  1818. if "FAIL" not in hapd.request("SET own_ie_override qwerty"):
  1819. raise Exception("Invalid own_ie_override value accepted")
  1820. id = dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  1821. tests = [ ('No RSN Capabilities field',
  1822. '30120100000fac040100000fac040100000fac02'),
  1823. ('Reserved RSN Capabilities bits set',
  1824. '30140100000fac040100000fac040100000fac023cff'),
  1825. ('Extra pairwise cipher suite (unsupported)',
  1826. '30180100000fac040200ffffffff000fac040100000fac020c00'),
  1827. ('Extra AKM suite (unsupported)',
  1828. '30180100000fac040100000fac040200ffffffff000fac020c00'),
  1829. ('PMKIDCount field included',
  1830. '30160100000fac040100000fac040100000fac020c000000'),
  1831. ('Unexpected Group Management Cipher Suite with PMF disabled',
  1832. '301a0100000fac040100000fac040100000fac020c000000000fac06'),
  1833. ('Extra octet after defined fields (future extensibility)',
  1834. '301b0100000fac040100000fac040100000fac020c000000000fac0600') ]
  1835. for txt,ie in tests:
  1836. dev[0].request("DISCONNECT")
  1837. dev[0].wait_disconnected()
  1838. logger.info(txt)
  1839. hapd.disable()
  1840. hapd.set('own_ie_override', ie)
  1841. hapd.enable()
  1842. dev[0].request("BSS_FLUSH 0")
  1843. dev[0].scan_for_bss(bssid, 2412, force_scan=True, only_new=True)
  1844. dev[0].select_network(id, freq=2412)
  1845. dev[0].wait_connected()
  1846. def test_ap_cli_order(dev, apdev):
  1847. ssid = "test-rsn-setup"
  1848. passphrase = 'zzzzzzzz'
  1849. ifname = apdev[0]['ifname']
  1850. hapd_global = hostapd.HostapdGlobal()
  1851. hapd_global.remove(ifname)
  1852. hapd_global.add(ifname)
  1853. hapd = hostapd.Hostapd(ifname)
  1854. hapd.set_defaults()
  1855. hapd.set('ssid', ssid)
  1856. hapd.set('wpa_passphrase', passphrase)
  1857. hapd.set('rsn_pairwise', 'CCMP')
  1858. hapd.set('wpa_key_mgmt', 'WPA-PSK')
  1859. hapd.set('wpa', '2')
  1860. hapd.enable()
  1861. cfg = hapd.get_config()
  1862. if cfg['group_cipher'] != 'CCMP':
  1863. raise Exception("Unexpected group_cipher: " + cfg['group_cipher'])
  1864. if cfg['rsn_pairwise_cipher'] != 'CCMP':
  1865. raise Exception("Unexpected rsn_pairwise_cipher: " + cfg['rsn_pairwise_cipher'])
  1866. ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=30)
  1867. if ev is None:
  1868. raise Exception("AP startup timed out")
  1869. if "AP-ENABLED" not in ev:
  1870. raise Exception("AP startup failed")
  1871. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  1872. def set_test_assoc_ie(dev, ie):
  1873. if "OK" not in dev.request("TEST_ASSOC_IE " + ie):
  1874. raise Exception("Could not set TEST_ASSOC_IE")
  1875. def test_ap_wpa2_psk_assoc_rsn(dev, apdev):
  1876. """WPA2-PSK AP and association request RSN IE differences"""
  1877. ssid = "test-wpa2-psk"
  1878. passphrase = 'qwertyuiop'
  1879. params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase)
  1880. hapd = hostapd.add_ap(apdev[0]['ifname'], params)
  1881. tests = [ ("Normal wpa_supplicant assoc req RSN IE",
  1882. "30140100000fac040100000fac040100000fac020000"),
  1883. ("RSN IE without RSN Capabilities",
  1884. "30120100000fac040100000fac040100000fac02") ]
  1885. for title, ie in tests:
  1886. logger.info(title)
  1887. set_test_assoc_ie(dev[0], ie)
  1888. dev[0].connect(ssid, psk=passphrase, scan_freq="2412")
  1889. dev[0].request("REMOVE_NETWORK all")
  1890. dev[0].wait_disconnected()
  1891. tests = [ ("WPA IE instead of RSN IE and only RSN enabled on AP",
  1892. "dd160050f20101000050f20201000050f20201000050f202", 40),
  1893. ("Empty RSN IE", "3000", 40),
  1894. ("RSN IE with truncated Version", "300101", 40),
  1895. ("RSN IE with only Version", "30020100", 43) ]
  1896. for title, ie, status in tests:
  1897. logger.info(title)
  1898. set_test_assoc_ie(dev[0], ie)
  1899. dev[0].connect(ssid, psk=passphrase, scan_freq="2412",
  1900. wait_connect=False)
  1901. ev = dev[0].wait_event(["CTRL-EVENT-ASSOC-REJECT"])
  1902. if ev is None:
  1903. raise Exception("Association rejection not reported")
  1904. if "status_code=" + str(status) not in ev:
  1905. raise Exception("Unexpected status code: " + ev)
  1906. dev[0].request("REMOVE_NETWORK all")
  1907. dev[0].dump_monitor()