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tests: EAP-PSK server local errors and protocol testing

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2019-04-19 23:46:00 +03:00
parent 9ddc773d1a
commit 431802df00
2 changed files with 148 additions and 0 deletions
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3
tests/hwsim/hostapd.py
View file

@ -497,6 +497,9 @@ class Hostapd:
if "OK" not in res:
raise Exception("DPP_CONFIGURATOR_REMOVE failed")
def note(self, txt):
self.request("NOTE " + txt)
def add_ap(apdev, params, wait_enabled=True, no_enable=False, timeout=30,
global_ctrl_override=None):
if isinstance(apdev, dict):

145
tests/hwsim/test_eap_proto.py
View file

@ -3443,6 +3443,151 @@ def test_eap_proto_psk_errors(dev, apdev):
dev[0].wait_disconnected()
dev[0].dump_monitor()
def run_eap_psk_connect(dev):
dev.connect("test-wpa2-eap", key_mgmt="WPA-EAP", scan_freq="2412",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
wait_connect=False)
ev = dev.wait_event(["CTRL-EVENT-EAP-SUCCESS", "CTRL-EVENT-EAP-FAILURE",
"CTRL-EVENT-DISCONNECTED"],
timeout=1)
dev.request("REMOVE_NETWORK all")
if not ev or "CTRL-EVENT-DISCONNECTED" not in ev:
dev.wait_disconnected()
dev.dump_monitor()
def test_eap_proto_psk_errors_server(dev, apdev):
"""EAP-PSK local error cases on server"""
check_eap_capa(dev[0], "PSK")
params = int_eap_server_params()
params['erp_domain'] = 'example.com'
params['eap_server_erp'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].scan_for_bss(hapd.own_addr(), freq=2412)
tests = [(1, "eap_psk_init"),
(1, "eap_msg_alloc;eap_psk_build_1"),
(1, "eap_msg_alloc;eap_psk_build_3"),
(1, "=eap_psk_build_3"),
(1, "=eap_psk_process_2"),
(2, "=eap_psk_process_2"),
(1, "=eap_psk_process_4"),
(1, "aes_128_eax_decrypt;eap_psk_process_4"),
(1, "eap_psk_getKey"),
(1, "eap_psk_get_emsk"),
(1, "eap_psk_get_session_id")]
for count, func in tests:
with alloc_fail(hapd, count, func):
run_eap_psk_connect(dev[0])
tests = [(1, "os_get_random;eap_psk_build_1"),
(1, "omac1_aes_128;eap_psk_build_3"),
(1, "eap_psk_derive_keys;eap_psk_build_3"),
(1, "aes_128_eax_encrypt;eap_psk_build_3"),
(1, "eap_psk_key_setup;eap_psk_process_2"),
(1, "omac1_aes_128;eap_psk_process_2"),
(1, "aes_128_eax_decrypt;eap_psk_process_4")]
for count, func in tests:
with fail_test(hapd, count, func):
run_eap_psk_connect(dev[0])
def start_psk_assoc(dev, hapd):
dev.connect("test-wpa2-eap", key_mgmt="WPA-EAP", scan_freq="2412",
eap="PSK", identity="psk.user@example.com",
password_hex="0123456789abcdef0123456789abcdef",
wait_connect=False)
proxy_msg(hapd, dev) # EAP-Identity/Request
proxy_msg(dev, hapd) # EAP-Identity/Response
proxy_msg(hapd, dev) # PSK-1
def stop_psk_assoc(dev, hapd):
dev.request("REMOVE_NETWORK all")
dev.wait_disconnected()
dev.dump_monitor()
hapd.dump_monitor()
def test_eap_proto_psk_server(dev, apdev):
"""EAP-PSK protocol testing for the server"""
check_eap_capa(dev[0], "PSK")
params = int_eap_server_params()
params['erp_domain'] = 'example.com'
params['eap_server_erp'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].scan_for_bss(hapd.own_addr(), freq=2412)
hapd.request("SET ext_eapol_frame_io 1")
dev[0].request("SET ext_eapol_frame_io 1")
# Successful exchange to verify proxying mechanism
start_psk_assoc(dev[0], hapd)
proxy_msg(dev[0], hapd) # PSK-2
proxy_msg(hapd, dev[0]) # PSK-3
proxy_msg(dev[0], hapd) # PSK-4
proxy_msg(hapd, dev[0]) # EAP-Success
proxy_msg(hapd, dev[0]) # EAPOL-Key msg 1/4
proxy_msg(dev[0], hapd) # EAPOL-Key msg 2/4
proxy_msg(hapd, dev[0]) # EAPOL-Key msg 3/4
proxy_msg(dev[0], hapd) # EAPOL-Key msg 4/4
dev[0].wait_connected()
stop_psk_assoc(dev[0], hapd)
start_psk_assoc(dev[0], hapd)
resp = rx_msg(dev[0])
# Too short EAP-PSK header (no Flags)
hapd.note("EAP-PSK: Invalid frame")
msg = resp[0:4] + "0005" + resp[8:12] + "0005" + "2f"
tx_msg(dev[0], hapd, msg)
# Unexpected PSK-1
hapd.note("EAP-PSK: Expected PSK-2 - ignore T=0")
msg = resp[0:4] + "0006" + resp[8:12] + "0006" + "2f00"
tx_msg(dev[0], hapd, msg)
# Too short PSK-2
hapd.note("EAP-PSK: Too short frame")
msg = resp[0:4] + "0006" + resp[8:12] + "0006" + "2f40"
tx_msg(dev[0], hapd, msg)
# PSK-2 with unknown ID_P
hapd.note("EAP-PSK: EAP-PSK not enabled for ID_P")
msg = resp[0:4] + "004a" + resp[8:12] + "004a" + "2f40" + 3*16*"00" + 20*"00"
tx_msg(dev[0], hapd, msg)
rx_msg(hapd) # EAP-Failure
stop_psk_assoc(dev[0], hapd)
start_psk_assoc(dev[0], hapd)
proxy_msg(dev[0], hapd) # PSK-2
proxy_msg(hapd, dev[0]) # PSK-3
resp = rx_msg(dev[0])
# Unexpected PSK-2
hapd.note("EAP-PSK: Expected PSK-4 - ignore T=1")
msg = resp[0:4] + "0016" + resp[8:12] + "0016" + "2f40" + 16*"00"
tx_msg(dev[0], hapd, msg)
# Too short PSK-4 (no PCHANNEL)
hapd.note("EAP-PSK: Too short PCHANNEL data in PSK-4 (len=0, expected 21)")
msg = resp[0:4] + "0016" + resp[8:12] + "0016" + "2fc0" + 16*"00"
tx_msg(dev[0], hapd, msg)
rx_msg(hapd) # PSK-3 retry
stop_psk_assoc(dev[0], hapd)
start_psk_assoc(dev[0], hapd)
proxy_msg(dev[0], hapd) # PSK-2
proxy_msg(hapd, dev[0]) # PSK-3
resp = rx_msg(dev[0])
# PCHANNEL Nonce did not increase
hapd.note("EAP-PSK: Nonce did not increase")
msg = resp[0:4] + "002b" + resp[8:12] + "002b" + "2fc0" + 16*"00" + 21*"00"
tx_msg(dev[0], hapd, msg)
rx_msg(hapd) # PSK-3 retry
stop_psk_assoc(dev[0], hapd)
start_psk_assoc(dev[0], hapd)
proxy_msg(dev[0], hapd) # PSK-2
proxy_msg(hapd, dev[0]) # PSK-3
resp = rx_msg(dev[0])
# Invalid PCHANNEL encryption
hapd.note("EAP-PSK: PCHANNEL decryption failed")
msg = resp[0:4] + "002b" + resp[8:12] + "002b" + "2fc0" + 16*"00" + 21*"11"
tx_msg(dev[0], hapd, msg)
rx_msg(hapd) # PSK-3 retry
stop_psk_assoc(dev[0], hapd)
EAP_SIM_SUBTYPE_START = 10
EAP_SIM_SUBTYPE_CHALLENGE = 11
EAP_SIM_SUBTYPE_NOTIFICATION = 12