# WPA2-Personal tests # Copyright (c) 2014, Qualcomm Atheros, Inc. # # This software may be distributed under the terms of the BSD license. # See README for more details. import binascii from Crypto.Cipher import AES import hashlib import hmac import logging logger = logging.getLogger() import os import re import struct import subprocess import time import hostapd from utils import HwsimSkip, fail_test, skip_with_fips import hwsim_utils from wpasupplicant import WpaSupplicant def check_mib(dev, vals): mib = dev.get_mib() for v in vals: if mib[v[0]] != v[1]: raise Exception("Unexpected {} = {} (expected {})".format(v[0], mib[v[0]], v[1])) def test_ap_wpa2_psk(dev, apdev): """WPA2-PSK AP with PSK instead of passphrase""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' params = hostapd.wpa2_params(ssid=ssid) params['wpa_psk'] = psk hapd = hostapd.add_ap(apdev[0]['ifname'], params) key_mgmt = hapd.get_config()['key_mgmt'] if key_mgmt.split(' ')[0] != "WPA-PSK": raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt) dev[0].connect(ssid, raw_psk=psk, scan_freq="2412") dev[1].connect(ssid, psk=passphrase, scan_freq="2412") sig = dev[0].request("SIGNAL_POLL").splitlines() pkt = dev[0].request("PKTCNT_POLL").splitlines() if "FREQUENCY=2412" not in sig: raise Exception("Unexpected SIGNAL_POLL value: " + str(sig)) if "TXBAD=0" not in pkt: raise Exception("Unexpected TXBAD value: " + str(pkt)) def test_ap_wpa2_psk_file(dev, apdev): """WPA2-PSK AP with PSK from a file""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) params['wpa_psk_file'] = 'hostapd.wpa_psk' hostapd.add_ap(apdev[0]['ifname'], params) dev[1].connect(ssid, psk="very secret", scan_freq="2412", wait_connect=False) dev[2].connect(ssid, raw_psk=psk, scan_freq="2412") dev[2].request("REMOVE_NETWORK all") dev[0].connect(ssid, psk="very secret", scan_freq="2412") dev[0].request("REMOVE_NETWORK all") dev[2].connect(ssid, psk="another passphrase for all STAs", scan_freq="2412") dev[0].connect(ssid, psk="another passphrase for all STAs", scan_freq="2412") ev = dev[1].wait_event(["WPA: 4-Way Handshake failed"], timeout=10) if ev is None: raise Exception("Timed out while waiting for failure report") dev[1].request("REMOVE_NETWORK all") def test_ap_wpa2_psk_mem(dev, apdev): """WPA2-PSK AP with passphrase only in memory""" try: _test_ap_wpa2_psk_mem(dev, apdev) finally: dev[0].request("SCAN_INTERVAL 5") dev[1].request("SCAN_INTERVAL 5") def _test_ap_wpa2_psk_mem(dev, apdev): ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' params = hostapd.wpa2_params(ssid=ssid) params['wpa_psk'] = psk hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, mem_only_psk="1", scan_freq="2412", wait_connect=False) dev[0].request("SCAN_INTERVAL 1") ev = dev[0].wait_event(["CTRL-REQ-PSK_PASSPHRASE"], timeout=10) if ev is None: raise Exception("Request for PSK/passphrase timed out") id = ev.split(':')[0].split('-')[-1] dev[0].request("CTRL-RSP-PSK_PASSPHRASE-" + id + ':"' + passphrase + '"') dev[0].wait_connected(timeout=10) dev[1].connect(ssid, mem_only_psk="1", scan_freq="2412", wait_connect=False) dev[1].request("SCAN_INTERVAL 1") ev = dev[1].wait_event(["CTRL-REQ-PSK_PASSPHRASE"], timeout=10) if ev is None: raise Exception("Request for PSK/passphrase timed out(2)") id = ev.split(':')[0].split('-')[-1] dev[1].request("CTRL-RSP-PSK_PASSPHRASE-" + id + ':' + psk) dev[1].wait_connected(timeout=10) def test_ap_wpa2_ptk_rekey(dev, apdev): """WPA2-PSK AP and PTK rekey enforced by station""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412") ev = dev[0].wait_event(["WPA: Key negotiation completed"]) if ev is None: raise Exception("PTK rekey timed out") hwsim_utils.test_connectivity(dev[0], hapd) def test_ap_wpa2_ptk_rekey_ap(dev, apdev): """WPA2-PSK AP and PTK rekey enforced by AP""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) params['wpa_ptk_rekey'] = '2' hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, scan_freq="2412") ev = dev[0].wait_event(["WPA: Key negotiation completed"]) if ev is None: raise Exception("PTK rekey timed out") hwsim_utils.test_connectivity(dev[0], hapd) def test_ap_wpa2_sha256_ptk_rekey(dev, apdev): """WPA2-PSK/SHA256 AKM AP and PTK rekey enforced by station""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) params["wpa_key_mgmt"] = "WPA-PSK-SHA256" hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK-SHA256", wpa_ptk_rekey="1", scan_freq="2412") ev = dev[0].wait_event(["WPA: Key negotiation completed"]) if ev is None: raise Exception("PTK rekey timed out") hwsim_utils.test_connectivity(dev[0], hapd) check_mib(dev[0], [ ("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-6"), ("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-6") ]) def test_ap_wpa2_sha256_ptk_rekey_ap(dev, apdev): """WPA2-PSK/SHA256 AKM AP and PTK rekey enforced by AP""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) params["wpa_key_mgmt"] = "WPA-PSK-SHA256" params['wpa_ptk_rekey'] = '2' hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, key_mgmt="WPA-PSK-SHA256", scan_freq="2412") ev = dev[0].wait_event(["WPA: Key negotiation completed"]) if ev is None: raise Exception("PTK rekey timed out") hwsim_utils.test_connectivity(dev[0], hapd) check_mib(dev[0], [ ("dot11RSNAAuthenticationSuiteRequested", "00-0f-ac-6"), ("dot11RSNAAuthenticationSuiteSelected", "00-0f-ac-6") ]) def test_ap_wpa_ptk_rekey(dev, apdev): """WPA-PSK/TKIP AP and PTK rekey enforced by station""" skip_with_fips(dev[0]) ssid = "test-wpa-psk" passphrase = 'qwertyuiop' params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, wpa_ptk_rekey="1", scan_freq="2412") if "[WPA-PSK-TKIP]" not in dev[0].request("SCAN_RESULTS"): raise Exception("Scan results missing WPA element info") ev = dev[0].wait_event(["WPA: Key negotiation completed"]) if ev is None: raise Exception("PTK rekey timed out") hwsim_utils.test_connectivity(dev[0], hapd) def test_ap_wpa_ptk_rekey_ap(dev, apdev): """WPA-PSK/TKIP AP and PTK rekey enforced by AP""" skip_with_fips(dev[0]) ssid = "test-wpa-psk" passphrase = 'qwertyuiop' params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase) params['wpa_ptk_rekey'] = '2' hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, scan_freq="2412") ev = dev[0].wait_event(["WPA: Key negotiation completed"], timeout=10) if ev is None: raise Exception("PTK rekey timed out") hwsim_utils.test_connectivity(dev[0], hapd) def test_ap_wpa_ccmp(dev, apdev): """WPA-PSK/CCMP""" ssid = "test-wpa-psk" passphrase = 'qwertyuiop' params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase) params['wpa_pairwise'] = "CCMP" hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, scan_freq="2412") hwsim_utils.test_connectivity(dev[0], hapd) check_mib(dev[0], [ ("dot11RSNAConfigGroupCipherSize", "128"), ("dot11RSNAGroupCipherRequested", "00-50-f2-4"), ("dot11RSNAPairwiseCipherRequested", "00-50-f2-4"), ("dot11RSNAAuthenticationSuiteRequested", "00-50-f2-2"), ("dot11RSNAGroupCipherSelected", "00-50-f2-4"), ("dot11RSNAPairwiseCipherSelected", "00-50-f2-4"), ("dot11RSNAAuthenticationSuiteSelected", "00-50-f2-2"), ("dot1xSuppSuppControlledPortStatus", "Authorized") ]) def test_ap_wpa2_psk_file(dev, apdev): """WPA2-PSK AP with various PSK file error and success cases""" addr0 = dev[0].own_addr() addr1 = dev[1].own_addr() addr2 = dev[2].own_addr() ssid = "psk" pskfile = "/tmp/ap_wpa2_psk_file_errors.psk_file" try: os.remove(pskfile) except: pass params = { "ssid": ssid, "wpa": "2", "wpa_key_mgmt": "WPA-PSK", "rsn_pairwise": "CCMP", "wpa_psk_file": pskfile } try: # missing PSK file hapd = hostapd.add_ap(apdev[0]['ifname'], params, no_enable=True) if "FAIL" not in hapd.request("ENABLE"): raise Exception("Unexpected ENABLE success") hapd.request("DISABLE") # invalid MAC address with open(pskfile, "w") as f: f.write("\n") f.write("foo\n") if "FAIL" not in hapd.request("ENABLE"): raise Exception("Unexpected ENABLE success") hapd.request("DISABLE") # no PSK on line with open(pskfile, "w") as f: f.write("00:11:22:33:44:55\n") if "FAIL" not in hapd.request("ENABLE"): raise Exception("Unexpected ENABLE success") hapd.request("DISABLE") # invalid PSK with open(pskfile, "w") as f: f.write("00:11:22:33:44:55 1234567\n") if "FAIL" not in hapd.request("ENABLE"): raise Exception("Unexpected ENABLE success") hapd.request("DISABLE") # valid PSK file with open(pskfile, "w") as f: f.write("00:11:22:33:44:55 12345678\n") f.write(addr0 + " 123456789\n") f.write(addr1 + " 123456789a\n") f.write(addr2 + " 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n") if "FAIL" in hapd.request("ENABLE"): raise Exception("Unexpected ENABLE failure") dev[0].connect(ssid, psk="123456789", scan_freq="2412") dev[1].connect(ssid, psk="123456789a", scan_freq="2412") dev[2].connect(ssid, raw_psk="0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef", scan_freq="2412") finally: try: os.remove(pskfile) except: pass def test_ap_wpa2_psk_wildcard_ssid(dev, apdev): """WPA2-PSK AP and wildcard SSID configuration""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect("", bssid=apdev[0]['bssid'], psk=passphrase, scan_freq="2412") dev[1].connect("", bssid=apdev[0]['bssid'], raw_psk=psk, scan_freq="2412") def test_ap_wpa2_gtk_rekey(dev, apdev): """WPA2-PSK AP and GTK rekey enforced by AP""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) params['wpa_group_rekey'] = '1' hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, scan_freq="2412") ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2) if ev is None: raise Exception("GTK rekey timed out") hwsim_utils.test_connectivity(dev[0], hapd) def test_ap_wpa_gtk_rekey(dev, apdev): """WPA-PSK/TKIP AP and GTK rekey enforced by AP""" skip_with_fips(dev[0]) ssid = "test-wpa-psk" passphrase = 'qwertyuiop' params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase) params['wpa_group_rekey'] = '1' hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, scan_freq="2412") ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2) if ev is None: raise Exception("GTK rekey timed out") hwsim_utils.test_connectivity(dev[0], hapd) def test_ap_wpa2_gmk_rekey(dev, apdev): """WPA2-PSK AP and GMK and GTK rekey enforced by AP""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) params['wpa_group_rekey'] = '1' params['wpa_gmk_rekey'] = '2' hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, scan_freq="2412") for i in range(0, 3): ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2) if ev is None: raise Exception("GTK rekey timed out") hwsim_utils.test_connectivity(dev[0], hapd) def test_ap_wpa2_strict_rekey(dev, apdev): """WPA2-PSK AP and strict GTK rekey enforced by AP""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) params['wpa_strict_rekey'] = '1' hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk=passphrase, scan_freq="2412") dev[1].connect(ssid, psk=passphrase, scan_freq="2412") dev[1].request("DISCONNECT") ev = dev[0].wait_event(["WPA: Group rekeying completed"], timeout=2) if ev is None: raise Exception("GTK rekey timed out") hwsim_utils.test_connectivity(dev[0], hapd) def test_ap_wpa2_bridge_fdb(dev, apdev): """Bridge FDB entry removal""" try: ssid = "test-wpa2-psk" passphrase = "12345678" params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) params['bridge'] = 'ap-br0' hostapd.add_ap(apdev[0]['ifname'], params) subprocess.call(['brctl', 'setfd', 'ap-br0', '0']) subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'up']) dev[0].connect(ssid, psk=passphrase, scan_freq="2412", bssid=apdev[0]['bssid']) dev[1].connect(ssid, psk=passphrase, scan_freq="2412", bssid=apdev[0]['bssid']) addr0 = dev[0].p2p_interface_addr() hwsim_utils.test_connectivity_sta(dev[0], dev[1]) cmd = subprocess.Popen(['brctl', 'showmacs', 'ap-br0'], stdout=subprocess.PIPE) macs1 = cmd.stdout.read() dev[0].request("DISCONNECT") dev[1].request("DISCONNECT") time.sleep(1) cmd = subprocess.Popen(['brctl', 'showmacs', 'ap-br0'], stdout=subprocess.PIPE) macs2 = cmd.stdout.read() addr1 = dev[1].p2p_interface_addr() if addr0 not in macs1 or addr1 not in macs1: raise Exception("Bridge FDB entry missing") if addr0 in macs2 or addr1 in macs2: raise Exception("Bridge FDB entry was not removed") finally: subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'down']) subprocess.call(['brctl', 'delbr', 'ap-br0']) def test_ap_wpa2_already_in_bridge(dev, apdev): """hostapd behavior with interface already in bridge""" ifname = apdev[0]['ifname'] br_ifname = 'ext-ap-br0' try: ssid = "test-wpa2-psk" passphrase = "12345678" subprocess.call(['brctl', 'addbr', br_ifname]) subprocess.call(['brctl', 'setfd', br_ifname, '0']) subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up']) subprocess.call(['iw', ifname, 'set', 'type', '__ap']) subprocess.call(['brctl', 'addif', br_ifname, ifname]) params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(ifname, params) if hapd.get_driver_status_field('brname') != br_ifname: raise Exception("Bridge name not identified correctly") dev[0].connect(ssid, psk=passphrase, scan_freq="2412") finally: subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down']) subprocess.call(['brctl', 'delif', br_ifname, ifname]) subprocess.call(['iw', ifname, 'set', 'type', 'station']) subprocess.call(['brctl', 'delbr', br_ifname]) def test_ap_wpa2_in_different_bridge(dev, apdev): """hostapd behavior with interface in different bridge""" ifname = apdev[0]['ifname'] br_ifname = 'ext-ap-br0' try: ssid = "test-wpa2-psk" passphrase = "12345678" subprocess.call(['brctl', 'addbr', br_ifname]) subprocess.call(['brctl', 'setfd', br_ifname, '0']) subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up']) subprocess.call(['iw', ifname, 'set', 'type', '__ap']) subprocess.call(['brctl', 'addif', br_ifname, ifname]) time.sleep(0.5) params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) params['bridge'] = 'ap-br0' hapd = hostapd.add_ap(ifname, params) subprocess.call(['brctl', 'setfd', 'ap-br0', '0']) subprocess.call(['ip', 'link', 'set', 'dev', 'ap-br0', 'up']) brname = hapd.get_driver_status_field('brname') if brname != 'ap-br0': raise Exception("Incorrect bridge: " + brname) dev[0].connect(ssid, psk=passphrase, scan_freq="2412") hwsim_utils.test_connectivity_iface(dev[0], hapd, "ap-br0") if hapd.get_driver_status_field("added_bridge") != "1": raise Exception("Unexpected added_bridge value") if hapd.get_driver_status_field("added_if_into_bridge") != "1": raise Exception("Unexpected added_if_into_bridge value") dev[0].request("DISCONNECT") hapd.disable() finally: subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down']) subprocess.call(['brctl', 'delif', br_ifname, ifname], stderr=open('/dev/null', 'w')) subprocess.call(['brctl', 'delbr', br_ifname]) def test_ap_wpa2_ext_add_to_bridge(dev, apdev): """hostapd behavior with interface added to bridge externally""" ifname = apdev[0]['ifname'] br_ifname = 'ext-ap-br0' try: ssid = "test-wpa2-psk" passphrase = "12345678" params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(ifname, params) subprocess.call(['brctl', 'addbr', br_ifname]) subprocess.call(['brctl', 'setfd', br_ifname, '0']) subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up']) subprocess.call(['brctl', 'addif', br_ifname, ifname]) dev[0].connect(ssid, psk=passphrase, scan_freq="2412") if hapd.get_driver_status_field('brname') != br_ifname: raise Exception("Bridge name not identified correctly") finally: subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down']) subprocess.call(['brctl', 'delif', br_ifname, ifname]) subprocess.call(['brctl', 'delbr', br_ifname]) def test_ap_wpa2_psk_ext(dev, apdev): """WPA2-PSK AP using external EAPOL I/O""" bssid = apdev[0]['bssid'] ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' params = hostapd.wpa2_params(ssid=ssid) params['wpa_psk'] = psk hapd = hostapd.add_ap(apdev[0]['ifname'], params) hapd.request("SET ext_eapol_frame_io 1") dev[0].request("SET ext_eapol_frame_io 1") dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False) addr = dev[0].p2p_interface_addr() while True: ev = hapd.wait_event(["EAPOL-TX", "AP-STA-CONNECTED"], timeout=15) if ev is None: raise Exception("Timeout on EAPOL-TX from hostapd") if "AP-STA-CONNECTED" in ev: dev[0].wait_connected(timeout=15) break res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2]) if "OK" not in res: raise Exception("EAPOL_RX to wpa_supplicant failed") ev = dev[0].wait_event(["EAPOL-TX", "CTRL-EVENT-CONNECTED"], timeout=15) if ev is None: raise Exception("Timeout on EAPOL-TX from wpa_supplicant") if "CTRL-EVENT-CONNECTED" in ev: break res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2]) if "OK" not in res: raise Exception("EAPOL_RX to hostapd failed") def parse_eapol(data): (version, type, length) = struct.unpack('>BBH', data[0:4]) payload = data[4:] if length > len(payload): raise Exception("Invalid EAPOL length") if length < len(payload): payload = payload[0:length] eapol = {} eapol['version'] = version eapol['type'] = type eapol['length'] = length eapol['payload'] = payload if type == 3: # EAPOL-Key (eapol['descr_type'],) = struct.unpack('B', payload[0:1]) payload = payload[1:] if eapol['descr_type'] == 2 or eapol['descr_type'] == 254: # RSN EAPOL-Key (key_info, key_len) = struct.unpack('>HH', payload[0:4]) eapol['rsn_key_info'] = key_info eapol['rsn_key_len'] = key_len eapol['rsn_replay_counter'] = payload[4:12] eapol['rsn_key_nonce'] = payload[12:44] eapol['rsn_key_iv'] = payload[44:60] eapol['rsn_key_rsc'] = payload[60:68] eapol['rsn_key_id'] = payload[68:76] eapol['rsn_key_mic'] = payload[76:92] payload = payload[92:] (eapol['rsn_key_data_len'],) = struct.unpack('>H', payload[0:2]) payload = payload[2:] eapol['rsn_key_data'] = payload return eapol def build_eapol(msg): data = struct.pack(">BBH", msg['version'], msg['type'], msg['length']) if msg['type'] == 3: data += struct.pack('>BHH', msg['descr_type'], msg['rsn_key_info'], msg['rsn_key_len']) data += msg['rsn_replay_counter'] data += msg['rsn_key_nonce'] data += msg['rsn_key_iv'] data += msg['rsn_key_rsc'] data += msg['rsn_key_id'] data += msg['rsn_key_mic'] data += struct.pack('>H', msg['rsn_key_data_len']) data += msg['rsn_key_data'] else: data += msg['payload'] return data def sha1_prf(key, label, data, outlen): res = '' counter = 0 while outlen > 0: m = hmac.new(key, label, hashlib.sha1) m.update(struct.pack('B', 0)) m.update(data) m.update(struct.pack('B', counter)) counter += 1 hash = m.digest() if outlen > len(hash): res += hash outlen -= len(hash) else: res += hash[0:outlen] outlen = 0 return res def pmk_to_ptk(pmk, addr1, addr2, nonce1, nonce2): if addr1 < addr2: data = binascii.unhexlify(addr1.replace(':','')) + binascii.unhexlify(addr2.replace(':','')) else: data = binascii.unhexlify(addr2.replace(':','')) + binascii.unhexlify(addr1.replace(':','')) if nonce1 < nonce2: data += nonce1 + nonce2 else: data += nonce2 + nonce1 label = "Pairwise key expansion" ptk = sha1_prf(pmk, label, data, 48) kck = ptk[0:16] kek = ptk[16:32] return (ptk, kck, kek) def eapol_key_mic(kck, msg): msg['rsn_key_mic'] = binascii.unhexlify('00000000000000000000000000000000') data = build_eapol(msg) m = hmac.new(kck, data, hashlib.sha1) msg['rsn_key_mic'] = m.digest()[0:16] def rsn_eapol_key_set(msg, key_info, key_len, nonce, data): msg['rsn_key_info'] = key_info msg['rsn_key_len'] = key_len if nonce: msg['rsn_key_nonce'] = nonce else: msg['rsn_key_nonce'] = binascii.unhexlify('0000000000000000000000000000000000000000000000000000000000000000') if data: msg['rsn_key_data_len'] = len(data) msg['rsn_key_data'] = data msg['length'] = 95 + len(data) else: msg['rsn_key_data_len'] = 0 msg['rsn_key_data'] = '' msg['length'] = 95 def recv_eapol(hapd): ev = hapd.wait_event(["EAPOL-TX"], timeout=15) if ev is None: raise Exception("Timeout on EAPOL-TX from hostapd") eapol = binascii.unhexlify(ev.split(' ')[2]) return parse_eapol(eapol) def send_eapol(hapd, addr, data): res = hapd.request("EAPOL_RX " + addr + " " + binascii.hexlify(data)) if "OK" not in res: raise Exception("EAPOL_RX to hostapd failed") def reply_eapol(info, hapd, addr, msg, key_info, nonce, data, kck): logger.info("Send EAPOL-Key msg " + info) rsn_eapol_key_set(msg, key_info, 0, nonce, data) eapol_key_mic(kck, msg) send_eapol(hapd, addr, build_eapol(msg)) def hapd_connected(hapd): ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15) if ev is None: raise Exception("Timeout on AP-STA-CONNECTED from hostapd") def eapol_test(apdev, dev, wpa2=True): bssid = apdev['bssid'] if wpa2: ssid = "test-wpa2-psk" else: ssid = "test-wpa-psk" psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' pmk = binascii.unhexlify(psk) if wpa2: params = hostapd.wpa2_params(ssid=ssid) else: params = hostapd.wpa_params(ssid=ssid) params['wpa_psk'] = psk hapd = hostapd.add_ap(apdev['ifname'], params) hapd.request("SET ext_eapol_frame_io 1") dev.request("SET ext_eapol_frame_io 1") dev.connect(ssid, raw_psk=psk, scan_freq="2412", wait_connect=False) addr = dev.p2p_interface_addr() if wpa2: rsne = binascii.unhexlify('30140100000fac040100000fac040100000fac020000') else: rsne = binascii.unhexlify('dd160050f20101000050f20201000050f20201000050f202') snonce = binascii.unhexlify('1111111111111111111111111111111111111111111111111111111111111111') return (bssid,ssid,hapd,snonce,pmk,addr,rsne) def test_ap_wpa2_psk_ext_eapol(dev, apdev): """WPA2-PSK AP using external EAPOL supplicant""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) msg = recv_eapol(hapd) anonce = msg['rsn_key_nonce'] logger.info("Replay same data back") send_eapol(hapd, addr, build_eapol(msg)) (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.info("Truncated Key Data in EAPOL-Key msg 2/4") rsn_eapol_key_set(msg, 0x0101, 0, snonce, rsne) msg['length'] = 95 + 22 - 1 send_eapol(hapd, addr, build_eapol(msg)) reply_eapol("2/4", hapd, addr, msg, 0x010a, snonce, rsne, kck) msg = recv_eapol(hapd) if anonce != msg['rsn_key_nonce']: raise Exception("ANonce changed") logger.info("Replay same data back") send_eapol(hapd, addr, build_eapol(msg)) reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck) hapd_connected(hapd) def test_ap_wpa2_psk_ext_eapol_retry1(dev, apdev): """WPA2 4-way handshake with EAPOL-Key 1/4 retransmitted""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) msg1 = recv_eapol(hapd) anonce = msg1['rsn_key_nonce'] msg2 = recv_eapol(hapd) if anonce != msg2['rsn_key_nonce']: raise Exception("ANonce changed") (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.info("Send EAPOL-Key msg 2/4") msg = msg2 rsn_eapol_key_set(msg, 0x010a, 0, snonce, rsne) eapol_key_mic(kck, msg) send_eapol(hapd, addr, build_eapol(msg)) msg = recv_eapol(hapd) if anonce != msg['rsn_key_nonce']: raise Exception("ANonce changed") reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck) hapd_connected(hapd) def test_ap_wpa2_psk_ext_eapol_retry1b(dev, apdev): """WPA2 4-way handshake with EAPOL-Key 1/4 and 2/4 retransmitted""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) msg1 = recv_eapol(hapd) anonce = msg1['rsn_key_nonce'] msg2 = recv_eapol(hapd) if anonce != msg2['rsn_key_nonce']: raise Exception("ANonce changed") (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) reply_eapol("2/4 (a)", hapd, addr, msg1, 0x010a, snonce, rsne, kck) reply_eapol("2/4 (b)", hapd, addr, msg2, 0x010a, snonce, rsne, kck) msg = recv_eapol(hapd) if anonce != msg['rsn_key_nonce']: raise Exception("ANonce changed") reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck) hapd_connected(hapd) def test_ap_wpa2_psk_ext_eapol_retry1c(dev, apdev): """WPA2 4-way handshake with EAPOL-Key 1/4 and 2/4 retransmitted and SNonce changing""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) msg1 = recv_eapol(hapd) anonce = msg1['rsn_key_nonce'] msg2 = recv_eapol(hapd) if anonce != msg2['rsn_key_nonce']: raise Exception("ANonce changed") (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) reply_eapol("2/4 (a)", hapd, addr, msg1, 0x010a, snonce, rsne, kck) snonce2 = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce2, anonce) reply_eapol("2/4 (b)", hapd, addr, msg2, 0x010a, snonce2, rsne, kck) msg = recv_eapol(hapd) if anonce != msg['rsn_key_nonce']: raise Exception("ANonce changed") reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck) hapd_connected(hapd) def test_ap_wpa2_psk_ext_eapol_retry1d(dev, apdev): """WPA2 4-way handshake with EAPOL-Key 1/4 and 2/4 retransmitted and SNonce changing and older used""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) msg1 = recv_eapol(hapd) anonce = msg1['rsn_key_nonce'] msg2 = recv_eapol(hapd) if anonce != msg2['rsn_key_nonce']: raise Exception("ANonce changed") (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) reply_eapol("2/4 (a)", hapd, addr, msg1, 0x010a, snonce, rsne, kck) snonce2 = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') (ptk2, kck2, kek2) = pmk_to_ptk(pmk, addr, bssid, snonce2, anonce) reply_eapol("2/4 (b)", hapd, addr, msg2, 0x010a, snonce2, rsne, kck2) msg = recv_eapol(hapd) if anonce != msg['rsn_key_nonce']: raise Exception("ANonce changed") reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck) hapd_connected(hapd) def test_ap_wpa2_psk_ext_eapol_type_diff(dev, apdev): """WPA2 4-way handshake using external EAPOL supplicant""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) msg = recv_eapol(hapd) anonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) # Incorrect descriptor type (frame dropped) msg['descr_type'] = 253 rsn_eapol_key_set(msg, 0x010a, 0, snonce, rsne) eapol_key_mic(kck, msg) send_eapol(hapd, addr, build_eapol(msg)) # Incorrect descriptor type, but with a workaround (frame processed) msg['descr_type'] = 254 rsn_eapol_key_set(msg, 0x010a, 0, snonce, rsne) eapol_key_mic(kck, msg) send_eapol(hapd, addr, build_eapol(msg)) msg = recv_eapol(hapd) if anonce != msg['rsn_key_nonce']: raise Exception("ANonce changed") logger.info("Replay same data back") send_eapol(hapd, addr, build_eapol(msg)) reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck) hapd_connected(hapd) def test_ap_wpa_psk_ext_eapol(dev, apdev): """WPA2-PSK AP using external EAPOL supplicant""" (bssid,ssid,hapd,snonce,pmk,addr,wpae) = eapol_test(apdev[0], dev[0], wpa2=False) msg = recv_eapol(hapd) anonce = msg['rsn_key_nonce'] logger.info("Replay same data back") send_eapol(hapd, addr, build_eapol(msg)) logger.info("Too short data") send_eapol(hapd, addr, build_eapol(msg)[0:98]) (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) msg['descr_type'] = 2 reply_eapol("2/4(invalid type)", hapd, addr, msg, 0x010a, snonce, wpae, kck) msg['descr_type'] = 254 reply_eapol("2/4", hapd, addr, msg, 0x010a, snonce, wpae, kck) msg = recv_eapol(hapd) if anonce != msg['rsn_key_nonce']: raise Exception("ANonce changed") logger.info("Replay same data back") send_eapol(hapd, addr, build_eapol(msg)) reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck) hapd_connected(hapd) def test_ap_wpa2_psk_ext_eapol_key_info(dev, apdev): """WPA2-PSK 4-way handshake with strange key info values""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) msg = recv_eapol(hapd) anonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) rsn_eapol_key_set(msg, 0x0000, 0, snonce, rsne) send_eapol(hapd, addr, build_eapol(msg)) rsn_eapol_key_set(msg, 0xffff, 0, snonce, rsne) send_eapol(hapd, addr, build_eapol(msg)) # SMK M1 rsn_eapol_key_set(msg, 0x2802, 0, snonce, rsne) send_eapol(hapd, addr, build_eapol(msg)) # SMK M3 rsn_eapol_key_set(msg, 0x2002, 0, snonce, rsne) send_eapol(hapd, addr, build_eapol(msg)) # Request rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne) send_eapol(hapd, addr, build_eapol(msg)) # Request rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne) tmp_kck = binascii.unhexlify('00000000000000000000000000000000') eapol_key_mic(tmp_kck, msg) send_eapol(hapd, addr, build_eapol(msg)) reply_eapol("2/4", hapd, addr, msg, 0x010a, snonce, rsne, kck) msg = recv_eapol(hapd) if anonce != msg['rsn_key_nonce']: raise Exception("ANonce changed") # Request (valic MIC) rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne) eapol_key_mic(kck, msg) send_eapol(hapd, addr, build_eapol(msg)) # Request (valid MIC, replayed counter) rsn_eapol_key_set(msg, 0x0902, 0, snonce, rsne) eapol_key_mic(kck, msg) send_eapol(hapd, addr, build_eapol(msg)) reply_eapol("4/4", hapd, addr, msg, 0x030a, None, None, kck) hapd_connected(hapd) def build_eapol_key_1_4(anonce, replay_counter=1, key_data='', key_len=16): msg = {} msg['version'] = 2 msg['type'] = 3 msg['length'] = 95 + len(key_data) msg['descr_type'] = 2 msg['rsn_key_info'] = 0x8a msg['rsn_key_len'] = key_len msg['rsn_replay_counter'] = struct.pack('>Q', replay_counter) msg['rsn_key_nonce'] = anonce msg['rsn_key_iv'] = binascii.unhexlify('00000000000000000000000000000000') msg['rsn_key_rsc'] = binascii.unhexlify('0000000000000000') msg['rsn_key_id'] = binascii.unhexlify('0000000000000000') msg['rsn_key_mic'] = binascii.unhexlify('00000000000000000000000000000000') msg['rsn_key_data_len'] = len(key_data) msg['rsn_key_data'] = key_data return msg def build_eapol_key_3_4(anonce, kck, key_data, replay_counter=2, key_info=0x13ca, extra_len=0, descr_type=2, key_len=16): msg = {} msg['version'] = 2 msg['type'] = 3 msg['length'] = 95 + len(key_data) + extra_len msg['descr_type'] = descr_type msg['rsn_key_info'] = key_info msg['rsn_key_len'] = key_len msg['rsn_replay_counter'] = struct.pack('>Q', replay_counter) msg['rsn_key_nonce'] = anonce msg['rsn_key_iv'] = binascii.unhexlify('00000000000000000000000000000000') msg['rsn_key_rsc'] = binascii.unhexlify('0000000000000000') msg['rsn_key_id'] = binascii.unhexlify('0000000000000000') msg['rsn_key_data_len'] = len(key_data) msg['rsn_key_data'] = key_data eapol_key_mic(kck, msg) return msg def aes_wrap(kek, plain): n = len(plain) / 8 a = 0xa6a6a6a6a6a6a6a6 enc = AES.new(kek).encrypt r = [plain[i * 8:(i + 1) * 8] for i in range(0, n)] for j in range(6): for i in range(1, n + 1): b = enc(struct.pack('>Q', a) + r[i - 1]) a = struct.unpack('>Q', b[:8])[0] ^ (n * j + i) r[i - 1] =b[8:] return struct.pack('>Q', a) + ''.join(r) def pad_key_data(plain): pad_len = len(plain) % 8 if pad_len: pad_len = 8 - pad_len plain += '\xdd' pad_len -= 1 plain += pad_len * '\0' return plain def test_ap_wpa2_psk_supp_proto(dev, apdev): """WPA2-PSK 4-way handshake protocol testing for supplicant""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Invalid AES wrap data length 0") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '', replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Unsupported AES-WRAP len 0"]) if ev is None: raise Exception("Unsupported AES-WRAP len 0 not reported") logger.debug("Invalid AES wrap data length 1") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '1', replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Unsupported AES-WRAP len 1"]) if ev is None: raise Exception("Unsupported AES-WRAP len 1 not reported") logger.debug("Invalid AES wrap data length 9") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '123456789', replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Unsupported AES-WRAP len 9"]) if ev is None: raise Exception("Unsupported AES-WRAP len 9 not reported") logger.debug("Invalid AES wrap data payload") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter) # do not increment counter to test replay protection send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: AES unwrap failed"]) if ev is None: raise Exception("AES unwrap failure not reported") logger.debug("Replay Count not increasing") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: EAPOL-Key Replay Counter did not increase"]) if ev is None: raise Exception("Replay Counter replay not reported") logger.debug("Missing Ack bit in key info") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter, key_info=0x134a) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: No Ack bit in key_info"]) if ev is None: raise Exception("Missing Ack bit not reported") logger.debug("Unexpected Request bit in key info") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter, key_info=0x1bca) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: EAPOL-Key with Request bit"]) if ev is None: raise Exception("Request bit not reported") logger.debug("Unsupported key descriptor version 0") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef', replay_counter=counter, key_info=0x13c8) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Unsupported EAPOL-Key descriptor version 0"]) if ev is None: raise Exception("Unsupported EAPOL-Key descriptor version 0 not reported") logger.debug("Key descriptor version 1 not allowed with CCMP") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef', replay_counter=counter, key_info=0x13c9) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: CCMP is used, but EAPOL-Key descriptor version (1) is not 2"]) if ev is None: raise Exception("Not allowed EAPOL-Key descriptor version not reported") logger.debug("Invalid AES wrap payload with key descriptor version 2") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef', replay_counter=counter, key_info=0x13ca) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: AES unwrap failed"]) if ev is None: raise Exception("AES unwrap failure not reported") logger.debug("Key descriptor version 3 workaround") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef', replay_counter=counter, key_info=0x13cb) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: CCMP is used, but EAPOL-Key descriptor version (3) is not 2"]) if ev is None: raise Exception("CCMP key descriptor mismatch not reported") ev = dev[0].wait_event(["WPA: Interoperability workaround"]) if ev is None: raise Exception("AES-128-CMAC workaround not reported") ev = dev[0].wait_event(["WPA: Invalid EAPOL-Key MIC - dropping packet"]) if ev is None: raise Exception("MIC failure with AES-128-CMAC workaround not reported") logger.debug("Unsupported key descriptor version 4") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef', replay_counter=counter, key_info=0x13cc) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Unsupported EAPOL-Key descriptor version 4"]) if ev is None: raise Exception("Unsupported EAPOL-Key descriptor version 4 not reported") logger.debug("Unsupported key descriptor version 7") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '0123456789abcdef', replay_counter=counter, key_info=0x13cf) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Unsupported EAPOL-Key descriptor version 7"]) if ev is None: raise Exception("Unsupported EAPOL-Key descriptor version 7 not reported") logger.debug("Too short EAPOL header length") dev[0].dump_monitor() msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter, extra_len=-1) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Invalid EAPOL-Key frame - key_data overflow (8 > 7)"]) if ev is None: raise Exception("Key data overflow not reported") logger.debug("Too long EAPOL header length") msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter, extra_len=1) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) logger.debug("Unsupported descriptor type 0") msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter, descr_type=0) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) logger.debug("WPA descriptor type 0") msg = build_eapol_key_3_4(anonce, kck, '12345678', replay_counter=counter, descr_type=254) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) logger.debug("Non-zero key index for pairwise key") dev[0].dump_monitor() wrapped = aes_wrap(kek, 16*'z') msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter, key_info=0x13ea) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Ignored EAPOL-Key (Pairwise) with non-zero key index"]) if ev is None: raise Exception("Non-zero key index not reported") logger.debug("Invalid Key Data plaintext payload --> disconnect") dev[0].dump_monitor() wrapped = aes_wrap(kek, 16*'z') msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_no_ie(dev, apdev): """WPA2-PSK supplicant protocol testing: IE not included""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("No IEs in msg 3/4 --> disconnect") dev[0].dump_monitor() wrapped = aes_wrap(kek, 16*'\0') msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_ie_mismatch(dev, apdev): """WPA2-PSK supplicant protocol testing: IE mismatch""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Msg 3/4 with mismatching IE") dev[0].dump_monitor() wrapped = aes_wrap(kek, pad_key_data(binascii.unhexlify('30060100000fac04dd16000fac010100dc11188831bf4aa4a8678d2b41498618'))) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_ok(dev, apdev): """WPA2-PSK supplicant protocol testing: success""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Valid EAPOL-Key msg 3/4") dev[0].dump_monitor() plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) dev[0].wait_connected(timeout=1) def test_ap_wpa2_psk_supp_proto_no_gtk(dev, apdev): """WPA2-PSK supplicant protocol testing: no GTK""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("EAPOL-Key msg 3/4 without GTK KDE") dev[0].dump_monitor() plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.1) if ev is not None: raise Exception("Unexpected connection completion reported") def test_ap_wpa2_psk_supp_proto_anonce_change(dev, apdev): """WPA2-PSK supplicant protocol testing: ANonce change""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Valid EAPOL-Key msg 3/4") dev[0].dump_monitor() anonce2 = binascii.unhexlify('3333333333333333333333333333333333333333333333333333333333333333') plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce2, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: ANonce from message 1 of 4-Way Handshake differs from 3 of 4-Way Handshake"]) if ev is None: raise Exception("ANonce change not reported") def test_ap_wpa2_psk_supp_proto_unexpected_group_msg(dev, apdev): """WPA2-PSK supplicant protocol testing: unexpected group message""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Group key 1/2 instead of msg 3/4") dev[0].dump_monitor() wrapped = aes_wrap(kek, binascii.unhexlify('dd16000fac010100dc11188831bf4aa4a8678d2b41498618')) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter, key_info=0x13c2) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Group Key Handshake started prior to completion of 4-way handshake"]) if ev is None: raise Exception("Unexpected group key message not reported") dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_msg_1_invalid_kde(dev, apdev): """WPA2-PSK supplicant protocol testing: invalid KDE in msg 1/4""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 with invalid KDE anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter, key_data=binascii.unhexlify('5555')) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_wrong_pairwise_key_len(dev, apdev): """WPA2-PSK supplicant protocol testing: wrong pairwise key length""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Valid EAPOL-Key msg 3/4") dev[0].dump_monitor() plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter, key_len=15) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Invalid CCMP key length 15"]) if ev is None: raise Exception("Invalid CCMP key length not reported") dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_wrong_group_key_len(dev, apdev): """WPA2-PSK supplicant protocol testing: wrong group key length""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Valid EAPOL-Key msg 3/4") dev[0].dump_monitor() plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd15000fac010100dc11188831bf4aa4a8678d2b414986') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Unsupported CCMP Group Cipher key length 15"]) if ev is None: raise Exception("Invalid CCMP key length not reported") dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_gtk_tx_bit_workaround(dev, apdev): """WPA2-PSK supplicant protocol testing: GTK TX bit workaround""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Valid EAPOL-Key msg 3/4") dev[0].dump_monitor() plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010500dc11188831bf4aa4a8678d2b41498618') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Tx bit set for GTK, but pairwise keys are used - ignore Tx bit"]) if ev is None: raise Exception("GTK Tx bit workaround not reported") dev[0].wait_connected(timeout=1) def test_ap_wpa2_psk_supp_proto_gtk_keyidx_0_and_3(dev, apdev): """WPA2-PSK supplicant protocol testing: GTK key index 0 and 3""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Valid EAPOL-Key msg 3/4 (GTK keyidx 0)") dev[0].dump_monitor() plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010000dc11188831bf4aa4a8678d2b41498618') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) dev[0].wait_connected(timeout=1) logger.debug("Valid EAPOL-Key group msg 1/2 (GTK keyidx 3)") dev[0].dump_monitor() plain = binascii.unhexlify('dd16000fac010300dc11188831bf4aa4a8678d2b41498618') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter, key_info=0x13c2) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) ev = dev[0].wait_event(["WPA: Group rekeying completed"]) if ev is None: raise Exception("GTK rekeing not reported") logger.debug("Unencrypted GTK KDE in group msg 1/2") dev[0].dump_monitor() plain = binascii.unhexlify('dd16000fac010300dc11188831bf4aa4a8678d2b41498618') msg = build_eapol_key_3_4(anonce, kck, plain, replay_counter=counter, key_info=0x03c2) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: GTK IE in unencrypted key data"]) if ev is None: raise Exception("Unencrypted GTK KDE not reported") dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_no_gtk_in_group_msg(dev, apdev): """WPA2-PSK supplicant protocol testing: GTK KDE missing from group msg""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Valid EAPOL-Key msg 3/4 (GTK keyidx 0)") dev[0].dump_monitor() plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010000dc11188831bf4aa4a8678d2b41498618') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) dev[0].wait_connected(timeout=1) logger.debug("No GTK KDE in EAPOL-Key group msg 1/2") dev[0].dump_monitor() plain = binascii.unhexlify('dd00dd00dd00dd00dd00dd00dd00dd00') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter, key_info=0x13c2) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: No GTK IE in Group Key msg 1/2"]) if ev is None: raise Exception("Missing GTK KDE not reported") dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_too_long_gtk_in_group_msg(dev, apdev): """WPA2-PSK supplicant protocol testing: too long GTK KDE in group msg""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Valid EAPOL-Key msg 3/4 (GTK keyidx 0)") dev[0].dump_monitor() plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010000dc11188831bf4aa4a8678d2b41498618') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) dev[0].wait_connected(timeout=1) logger.debug("EAPOL-Key group msg 1/2 with too long GTK KDE") dev[0].dump_monitor() plain = binascii.unhexlify('dd27000fac010100ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter, key_info=0x13c2) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: Unsupported CCMP Group Cipher key length 33"]) if ev is None: raise Exception("Too long GTK KDE not reported") dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_too_long_gtk_kde(dev, apdev): """WPA2-PSK supplicant protocol testing: too long GTK KDE""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("EAPOL-Key msg 3/4 with too short GTK KDE") dev[0].dump_monitor() plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd27000fac010100ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff') wrapped = aes_wrap(kek, pad_key_data(plain)) msg = build_eapol_key_3_4(anonce, kck, wrapped, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) dev[0].wait_disconnected(timeout=1) def test_ap_wpa2_psk_supp_proto_gtk_not_encrypted(dev, apdev): """WPA2-PSK supplicant protocol testing: GTK KDE not encrypted""" (bssid,ssid,hapd,snonce,pmk,addr,rsne) = eapol_test(apdev[0], dev[0]) # Wait for EAPOL-Key msg 1/4 from hostapd to determine when associated msg = recv_eapol(hapd) dev[0].dump_monitor() # Build own EAPOL-Key msg 1/4 anonce = binascii.unhexlify('2222222222222222222222222222222222222222222222222222222222222222') counter = 1 msg = build_eapol_key_1_4(anonce, replay_counter=counter) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) msg = recv_eapol(dev[0]) snonce = msg['rsn_key_nonce'] (ptk, kck, kek) = pmk_to_ptk(pmk, addr, bssid, snonce, anonce) logger.debug("Valid EAPOL-Key msg 3/4") dev[0].dump_monitor() plain = binascii.unhexlify('30140100000fac040100000fac040100000fac020c00dd16000fac010100dc11188831bf4aa4a8678d2b41498618') msg = build_eapol_key_3_4(anonce, kck, plain, replay_counter=counter, key_info=0x03ca) counter += 1 send_eapol(dev[0], addr, build_eapol(msg)) ev = dev[0].wait_event(["WPA: GTK IE in unencrypted key data"]) if ev is None: raise Exception("Unencrypted GTK KDE not reported") dev[0].wait_disconnected(timeout=1) def find_wpas_process(dev): ifname = dev.ifname cmd = subprocess.Popen(['ps', 'ax'], stdout=subprocess.PIPE) (data,err) = cmd.communicate() for l in data.splitlines(): if "wpa_supplicant" not in l: continue if "-i" + ifname not in l: continue return int(l.strip().split(' ')[0]) raise Exception("Could not find wpa_supplicant process") def read_process_memory(pid, key=None): buf = bytes() with open('/proc/%d/maps' % pid, 'r') as maps, \ open('/proc/%d/mem' % pid, 'r') as mem: for l in maps.readlines(): m = re.match(r'([0-9a-f]+)-([0-9a-f]+) ([-r][-w][-x][-p])', l) if not m: continue start = int(m.group(1), 16) end = int(m.group(2), 16) perm = m.group(3) if start > 0xffffffffffff: continue if end < start: continue if not perm.startswith('rw'): continue mem.seek(start) data = mem.read(end - start) buf += data if key and key in data: logger.info("Key found in " + l) return buf def verify_not_present(buf, key, fname, keyname): pos = buf.find(key) if pos < 0: return prefix = 2048 if pos > 2048 else pos with open(fname + keyname, 'w') as f: f.write(buf[pos - prefix:pos + 2048]) raise Exception(keyname + " found after disassociation") def get_key_locations(buf, key, keyname): count = 0 pos = 0 while True: pos = buf.find(key, pos) if pos < 0: break logger.info("Found %s at %d" % (keyname, pos)) count += 1 pos += len(key) return count def test_wpa2_psk_key_lifetime_in_memory(dev, apdev, params): """WPA2-PSK and PSK/PTK lifetime in memory""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' pmk = binascii.unhexlify(psk) p = hostapd.wpa2_params(ssid=ssid) p['wpa_psk'] = psk hapd = hostapd.add_ap(apdev[0]['ifname'], p) pid = find_wpas_process(dev[0]) id = dev[0].connect(ssid, raw_psk=psk, scan_freq="2412", only_add_network=True) logger.info("Checking keys in memory after network profile configuration") buf = read_process_memory(pid, pmk) get_key_locations(buf, pmk, "PMK") dev[0].request("REMOVE_NETWORK all") logger.info("Checking keys in memory after network profile removal") buf = read_process_memory(pid, pmk) get_key_locations(buf, pmk, "PMK") id = dev[0].connect(ssid, psk=passphrase, scan_freq="2412", only_add_network=True) logger.info("Checking keys in memory before connection") buf = read_process_memory(pid, pmk) get_key_locations(buf, pmk, "PMK") dev[0].connect_network(id, timeout=20) time.sleep(1) buf = read_process_memory(pid, pmk) dev[0].request("DISCONNECT") dev[0].wait_disconnected() dev[0].relog() ptk = None gtk = None with open(os.path.join(params['logdir'], 'log0'), 'r') as f: for l in f.readlines(): if "WPA: PTK - hexdump" in l: val = l.strip().split(':')[3].replace(' ', '') ptk = binascii.unhexlify(val) if "WPA: Group Key - hexdump" in l: val = l.strip().split(':')[3].replace(' ', '') gtk = binascii.unhexlify(val) if not pmk or not ptk or not gtk: raise Exception("Could not find keys from debug log") if len(gtk) != 16: raise Exception("Unexpected GTK length") kck = ptk[0:16] kek = ptk[16:32] tk = ptk[32:48] logger.info("Checking keys in memory while associated") get_key_locations(buf, pmk, "PMK") if pmk not in buf: raise HwsimSkip("PMK not found while associated") if kck not in buf: raise Exception("KCK not found while associated") if kek not in buf: raise Exception("KEK not found while associated") if tk in buf: raise Exception("TK found from memory") if gtk in buf: raise Exception("GTK found from memory") logger.info("Checking keys in memory after disassociation") buf = read_process_memory(pid, pmk) get_key_locations(buf, pmk, "PMK") # Note: PMK/PSK is still present in network configuration fname = os.path.join(params['logdir'], 'wpa2_psk_key_lifetime_in_memory.memctx-') verify_not_present(buf, kck, fname, "KCK") verify_not_present(buf, kek, fname, "KEK") verify_not_present(buf, tk, fname, "TK") verify_not_present(buf, gtk, fname, "GTK") dev[0].request("REMOVE_NETWORK all") logger.info("Checking keys in memory after network profile removal") buf = read_process_memory(pid, pmk) get_key_locations(buf, pmk, "PMK") verify_not_present(buf, pmk, fname, "PMK") verify_not_present(buf, kck, fname, "KCK") verify_not_present(buf, kek, fname, "KEK") verify_not_present(buf, tk, fname, "TK") verify_not_present(buf, gtk, fname, "GTK") def test_ap_wpa2_psk_wep(dev, apdev): """WPA2-PSK AP and WEP enabled""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(apdev[0]['ifname'], params) try: hapd.set('wep_key0', '"hello"') raise Exception("WEP key accepted to WPA2 network") except Exception: pass def test_ap_wpa2_psk_wpas_in_bridge(dev, apdev): """WPA2-PSK AP and wpas interface in a bridge""" br_ifname='sta-br0' ifname='wlan5' try: _test_ap_wpa2_psk_wpas_in_bridge(dev, apdev) finally: subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'down']) subprocess.call(['brctl', 'delif', br_ifname, ifname]) subprocess.call(['brctl', 'delbr', br_ifname]) subprocess.call(['iw', ifname, 'set', '4addr', 'off']) def _test_ap_wpa2_psk_wpas_in_bridge(dev, apdev): ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(apdev[0]['ifname'], params) br_ifname='sta-br0' ifname='wlan5' wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5') subprocess.call(['brctl', 'addbr', br_ifname]) subprocess.call(['brctl', 'setfd', br_ifname, '0']) subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up']) subprocess.call(['iw', ifname, 'set', '4addr', 'on']) subprocess.check_call(['brctl', 'addif', br_ifname, ifname]) wpas.interface_add(ifname, br_ifname=br_ifname) wpas.connect(ssid, psk=passphrase, scan_freq="2412") def test_ap_wpa2_psk_ifdown(dev, apdev): """AP with open mode and external ifconfig down""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(apdev[0]['ifname'], params) bssid = apdev[0]['bssid'] dev[0].connect(ssid, psk=passphrase, scan_freq="2412") subprocess.call(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'down']) ev = hapd.wait_event(["INTERFACE-DISABLED"], timeout=10) if ev is None: raise Exception("No INTERFACE-DISABLED event") # this wait tests beacon loss detection in mac80211 dev[0].wait_disconnected() subprocess.call(['ip', 'link', 'set', 'dev', apdev[0]['ifname'], 'up']) ev = hapd.wait_event(["INTERFACE-ENABLED"], timeout=10) if ev is None: raise Exception("No INTERFACE-ENABLED event") dev[0].wait_connected() hwsim_utils.test_connectivity(dev[0], hapd) def test_ap_wpa2_psk_drop_first_msg_4(dev, apdev): """WPA2-PSK and first EAPOL-Key msg 4/4 dropped""" bssid = apdev[0]['bssid'] ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' params = hostapd.wpa2_params(ssid=ssid) params['wpa_psk'] = psk hapd = hostapd.add_ap(apdev[0]['ifname'], params) hapd.request("SET ext_eapol_frame_io 1") dev[0].request("SET ext_eapol_frame_io 1") dev[0].connect(ssid, psk=passphrase, scan_freq="2412", wait_connect=False) addr = dev[0].own_addr() # EAPOL-Key msg 1/4 ev = hapd.wait_event(["EAPOL-TX"], timeout=15) if ev is None: raise Exception("Timeout on EAPOL-TX from hostapd") res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2]) if "OK" not in res: raise Exception("EAPOL_RX to wpa_supplicant failed") # EAPOL-Key msg 2/4 ev = dev[0].wait_event(["EAPOL-TX"], timeout=15) if ev is None: raise Exception("Timeout on EAPOL-TX from wpa_supplicant") res = hapd.request("EAPOL_RX " + addr + " " + ev.split(' ')[2]) if "OK" not in res: raise Exception("EAPOL_RX to hostapd failed") # EAPOL-Key msg 3/4 ev = hapd.wait_event(["EAPOL-TX"], timeout=15) if ev is None: raise Exception("Timeout on EAPOL-TX from hostapd") res = dev[0].request("EAPOL_RX " + bssid + " " + ev.split(' ')[2]) if "OK" not in res: raise Exception("EAPOL_RX to wpa_supplicant failed") # EAPOL-Key msg 4/4 ev = dev[0].wait_event(["EAPOL-TX"], timeout=15) if ev is None: raise Exception("Timeout on EAPOL-TX from wpa_supplicant") logger.info("Drop the first EAPOL-Key msg 4/4") # wpa_supplicant believes now that 4-way handshake succeeded; hostapd # doesn't. Use normal EAPOL TX/RX to handle retries. hapd.request("SET ext_eapol_frame_io 0") dev[0].request("SET ext_eapol_frame_io 0") dev[0].wait_connected() ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=15) if ev is None: raise Exception("Timeout on AP-STA-CONNECTED from hostapd") ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=0.1) if ev is not None: logger.info("Disconnection detected") # The EAPOL-Key retries are supposed to allow the connection to be # established without having to reassociate. However, this does not # currently work since mac80211 ends up encrypting EAPOL-Key msg 4/4 # after the pairwise key has been configured and AP will drop those and # disconnect the station after reaching retransmission limit. Connection # is then established after reassociation. Once that behavior has been # optimized to prevent EAPOL-Key frame encryption for retransmission # case, this exception can be uncommented here. #raise Exception("Unexpected disconnection") def test_ap_wpa2_psk_disable_enable(dev, apdev): """WPA2-PSK AP getting disabled and re-enabled""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' params = hostapd.wpa2_params(ssid=ssid) params['wpa_psk'] = psk hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, raw_psk=psk, scan_freq="2412") for i in range(2): hapd.request("DISABLE") dev[0].wait_disconnected() hapd.request("ENABLE") dev[0].wait_connected() hwsim_utils.test_connectivity(dev[0], hapd) def test_ap_wpa2_psk_incorrect_passphrase(dev, apdev): """WPA2-PSK AP and station using incorrect passphrase""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].connect(ssid, psk="incorrect passphrase", scan_freq="2412", wait_connect=False) ev = hapd.wait_event(["AP-STA-POSSIBLE-PSK-MISMATCH"], timeout=10) if ev is None: raise Exception("No AP-STA-POSSIBLE-PSK-MISMATCH reported") dev[0].dump_monitor() hapd.disable() hapd.set("wpa_passphrase", "incorrect passphrase") hapd.enable() dev[0].wait_connected(timeout=20) def test_ap_wpa_ie_parsing(dev, apdev): """WPA IE parsing""" skip_with_fips(dev[0]) ssid = "test-wpa-psk" passphrase = 'qwertyuiop' params = hostapd.wpa_params(ssid=ssid, passphrase=passphrase) hapd = hostapd.add_ap(apdev[0]['ifname'], params) id = dev[0].connect(ssid, psk=passphrase, scan_freq="2412", only_add_network=True) tests = [ "dd040050f201", "dd050050f20101", "dd060050f2010100", "dd060050f2010001", "dd070050f201010000", "dd080050f20101000050", "dd090050f20101000050f2", "dd0a0050f20101000050f202", "dd0b0050f20101000050f20201", "dd0c0050f20101000050f2020100", "dd0c0050f20101000050f2020000", "dd0c0050f20101000050f202ffff", "dd0d0050f20101000050f202010000", "dd0e0050f20101000050f20201000050", "dd0f0050f20101000050f20201000050f2", "dd100050f20101000050f20201000050f202", "dd110050f20101000050f20201000050f20201", "dd120050f20101000050f20201000050f2020100", "dd120050f20101000050f20201000050f2020000", "dd120050f20101000050f20201000050f202ffff", "dd130050f20101000050f20201000050f202010000", "dd140050f20101000050f20201000050f20201000050", "dd150050f20101000050f20201000050f20201000050f2" ] for t in tests: try: if "OK" not in dev[0].request("VENDOR_ELEM_ADD 13 " + t): raise Exception("VENDOR_ELEM_ADD failed") dev[0].select_network(id) ev = dev[0].wait_event(["CTRL-EVENT-ASSOC-REJECT"], timeout=10) if ev is None: raise Exception("Association rejection not reported") dev[0].request("DISCONNECT") finally: dev[0].request("VENDOR_ELEM_REMOVE 13 *") tests = [ "dd170050f20101000050f20201000050f20201000050f202ff", "dd180050f20101000050f20201000050f20201000050f202ffff", "dd190050f20101000050f20201000050f20201000050f202ffffff" ] for t in tests: try: if "OK" not in dev[0].request("VENDOR_ELEM_ADD 13 " + t): raise Exception("VENDOR_ELEM_ADD failed") dev[0].select_network(id) dev[0].wait_connected() dev[0].request("DISCONNECT") finally: dev[0].request("VENDOR_ELEM_REMOVE 13 *") def test_ap_wpa2_psk_no_random(dev, apdev): """WPA2-PSK AP and no random numbers available""" ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6' params = hostapd.wpa2_params(ssid=ssid) params['wpa_psk'] = psk hapd = hostapd.add_ap(apdev[0]['ifname'], params) with fail_test(hapd, 1, "wpa_gmk_to_gtk"): id = dev[0].connect(ssid, raw_psk=psk, scan_freq="2412", wait_connect=False) ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=15) if ev is None: raise Exception("Disconnection event not reported") dev[0].request("DISCONNECT") dev[0].select_network(id, freq=2412) dev[0].wait_connected() def test_rsn_ie_proto_psk_sta(dev, apdev): """RSN element protocol testing for PSK cases on STA side""" bssid = apdev[0]['bssid'] ssid = "test-wpa2-psk" passphrase = 'qwertyuiop' params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase) # This is the RSN element used normally by hostapd params['own_ie_override'] = '30140100000fac040100000fac040100000fac020c00' hapd = hostapd.add_ap(apdev[0]['ifname'], params) if "FAIL" not in hapd.request("SET own_ie_override qwerty"): raise Exception("Invalid own_ie_override value accepted") id = dev[0].connect(ssid, psk=passphrase, scan_freq="2412") tests = [ ('No RSN Capabilities field', '30120100000fac040100000fac040100000fac02'), ('Reserved RSN Capabilities bits set', '30140100000fac040100000fac040100000fac023cff'), ('Extra pairwise cipher suite (unsupported)', '30180100000fac040200ffffffff000fac040100000fac020c00'), ('Extra AKM suite (unsupported)', '30180100000fac040100000fac040200ffffffff000fac020c00'), ('PMKIDCount field included', '30160100000fac040100000fac040100000fac020c000000'), ('Unexpected Group Management Cipher Suite with PMF disabled', '301a0100000fac040100000fac040100000fac020c000000000fac06'), ('Extra octet after defined fields (future extensibility)', '301b0100000fac040100000fac040100000fac020c000000000fac0600') ] for txt,ie in tests: dev[0].request("DISCONNECT") dev[0].wait_disconnected() logger.info(txt) hapd.disable() hapd.set('own_ie_override', ie) hapd.enable() dev[0].request("BSS_FLUSH 0") dev[0].scan_for_bss(bssid, 2412, force_scan=True, only_new=True) dev[0].select_network(id, freq=2412) dev[0].wait_connected() def test_ap_cli_order(dev, apdev): ssid = "test-rsn-setup" passphrase = 'zzzzzzzz' ifname = apdev[0]['ifname'] hapd_global = hostapd.HostapdGlobal() hapd_global.remove(ifname) hapd_global.add(ifname) hapd = hostapd.Hostapd(ifname) hapd.set_defaults() hapd.set('ssid', ssid) hapd.set('wpa_passphrase', passphrase) hapd.set('rsn_pairwise', 'CCMP') hapd.set('wpa_key_mgmt', 'WPA-PSK') hapd.set('wpa', '2') hapd.enable() cfg = hapd.get_config() if cfg['group_cipher'] != 'CCMP': raise Exception("Unexpected group_cipher: " + cfg['group_cipher']) if cfg['rsn_pairwise_cipher'] != 'CCMP': raise Exception("Unexpected rsn_pairwise_cipher: " + cfg['rsn_pairwise_cipher']) ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=30) if ev is None: raise Exception("AP startup timed out") if "AP-ENABLED" not in ev: raise Exception("AP startup failed") dev[0].connect(ssid, psk=passphrase, scan_freq="2412")