mirror of
https://github.com/vanhoefm/fragattacks.git
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tests: EAP-FAST protocol testing
Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen
parent
5558b9980f
commit
bccd22f356
@ -20,6 +20,12 @@ from utils import HwsimSkip, alloc_fail, fail_test, wait_fail_trigger
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from test_ap_eap import check_eap_capa, check_hlr_auc_gw_support, int_eap_server_params
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from test_erp import check_erp_capa
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try:
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import OpenSSL
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openssl_imported = True
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except ImportError:
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openssl_imported = False
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EAP_CODE_REQUEST = 1
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EAP_CODE_RESPONSE = 2
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EAP_CODE_SUCCESS = 3
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@ -7911,3 +7917,367 @@ def test_eap_nak_expanded(dev, apdev):
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dev[0].request("REMOVE_NETWORK all")
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dev[0].wait_disconnected()
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EAP_TLV_RESULT_TLV = 3
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EAP_TLV_NAK_TLV = 4
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EAP_TLV_ERROR_CODE_TLV = 5
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EAP_TLV_CONNECTION_BINDING_TLV = 6
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EAP_TLV_VENDOR_SPECIFIC_TLV = 7
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EAP_TLV_URI_TLV = 8
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EAP_TLV_EAP_PAYLOAD_TLV = 9
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EAP_TLV_INTERMEDIATE_RESULT_TLV = 10
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EAP_TLV_PAC_TLV = 11
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EAP_TLV_CRYPTO_BINDING_TLV = 12
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EAP_TLV_CALLING_STATION_ID_TLV = 13
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EAP_TLV_CALLED_STATION_ID_TLV = 14
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EAP_TLV_NAS_PORT_TYPE_TLV = 15
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EAP_TLV_SERVER_IDENTIFIER_TLV = 16
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EAP_TLV_IDENTITY_TYPE_TLV = 17
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EAP_TLV_SERVER_TRUSTED_ROOT_TLV = 18
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EAP_TLV_REQUEST_ACTION_TLV = 19
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EAP_TLV_PKCS7_TLV = 20
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EAP_TLV_RESULT_SUCCESS = 1
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EAP_TLV_RESULT_FAILURE = 2
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EAP_TLV_TYPE_MANDATORY = 0x8000
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EAP_TLV_TYPE_MASK = 0x3fff
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PAC_TYPE_PAC_KEY = 1
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PAC_TYPE_PAC_OPAQUE = 2
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PAC_TYPE_CRED_LIFETIME = 3
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PAC_TYPE_A_ID = 4
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PAC_TYPE_I_ID = 5
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PAC_TYPE_A_ID_INFO = 7
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PAC_TYPE_PAC_ACKNOWLEDGEMENT = 8
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PAC_TYPE_PAC_INFO = 9
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PAC_TYPE_PAC_TYPE = 10
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def eap_fast_start(ctx):
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logger.info("Send EAP-FAST/Start")
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return struct.pack(">BBHBBHH", EAP_CODE_REQUEST, ctx['id'],
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4 + 1 + 1 + 4 + 16,
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EAP_TYPE_FAST, 0x21, 4, 16) + 16*'A'
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def test_eap_fast_proto(dev, apdev):
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"""EAP-FAST Phase protocol testing"""
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check_eap_capa(dev[0], "FAST")
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global eap_fast_proto_ctx
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eap_fast_proto_ctx = None
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def eap_handler(ctx, req):
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logger.info("eap_handler - RX " + req.encode("hex"))
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if 'num' not in ctx:
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ctx['num'] = 0
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ctx['num'] = ctx['num'] + 1
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if 'id' not in ctx:
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ctx['id'] = 1
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ctx['id'] = (ctx['id'] + 1) % 256
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idx = 0
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global eap_fast_proto_ctx
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eap_fast_proto_ctx = ctx
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ctx['test_done'] = False
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idx += 1
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if ctx['num'] == idx:
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return eap_fast_start(ctx)
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idx += 1
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if ctx['num'] == idx:
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logger.info("EAP-FAST: TLS processing failed")
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data = 'ABCDEFGHIK'
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return struct.pack(">BBHBB", EAP_CODE_REQUEST, ctx['id'],
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4 + 1 + 1 + len(data),
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EAP_TYPE_FAST, 0x01) + data
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idx += 1
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if ctx['num'] == idx:
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ctx['test_done'] = True
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return struct.pack(">BBH", EAP_CODE_FAILURE, ctx['id'], 4)
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logger.info("Past last test case")
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return struct.pack(">BBH", EAP_CODE_FAILURE, ctx['id'], 4)
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srv = start_radius_server(eap_handler)
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try:
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hapd = start_ap(apdev[0]['ifname'])
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dev[0].connect("eap-test", key_mgmt="WPA-EAP", scan_freq="2412",
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eap="FAST", anonymous_identity="FAST",
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identity="user", password="password",
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ca_cert="auth_serv/ca.pem", phase2="auth=MSCHAPV2",
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phase1="fast_provisioning=1",
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pac_file="blob://fast_pac_proto",
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wait_connect=False)
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ev = dev[0].wait_event(["CTRL-EVENT-EAP-METHOD"], timeout=5)
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if ev is None:
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raise Exception("Could not start EAP-FAST")
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ok = False
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for i in range(100):
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if eap_fast_proto_ctx:
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if eap_fast_proto_ctx['test_done']:
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ok = True
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break
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time.sleep(0.05)
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dev[0].request("REMOVE_NETWORK all")
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dev[0].wait_disconnected()
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finally:
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stop_radius_server(srv)
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def run_eap_fast_phase2(dev, test_payload, test_failure=True):
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global eap_fast_proto_ctx
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eap_fast_proto_ctx = None
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def ssl_info_callback(conn, where, ret):
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logger.debug("SSL: info where=%d ret=%d" % (where, ret))
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def process_clienthello(ctx, payload):
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logger.info("Process ClientHello")
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ctx['sslctx'] = OpenSSL.SSL.Context(OpenSSL.SSL.TLSv1_METHOD)
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ctx['sslctx'].set_info_callback(ssl_info_callback)
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ctx['sslctx'].load_tmp_dh("auth_serv/dh.conf")
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ctx['sslctx'].set_cipher_list("ADH-AES128-SHA")
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ctx['conn'] = OpenSSL.SSL.Connection(ctx['sslctx'], None)
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ctx['conn'].set_accept_state()
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logger.info("State: " + ctx['conn'].state_string())
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ctx['conn'].bio_write(payload)
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try:
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ctx['conn'].do_handshake()
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except OpenSSL.SSL.WantReadError:
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pass
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logger.info("State: " + ctx['conn'].state_string())
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data = ctx['conn'].bio_read(4096)
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logger.info("State: " + ctx['conn'].state_string())
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return struct.pack(">BBHBB", EAP_CODE_REQUEST, ctx['id'],
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4 + 1 + 1 + len(data),
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EAP_TYPE_FAST, 0x01) + data
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def process_clientkeyexchange(ctx, payload, appl_data):
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logger.info("Process ClientKeyExchange")
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logger.info("State: " + ctx['conn'].state_string())
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ctx['conn'].bio_write(payload)
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try:
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ctx['conn'].do_handshake()
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except OpenSSL.SSL.WantReadError:
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pass
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ctx['conn'].send(appl_data)
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logger.info("State: " + ctx['conn'].state_string())
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data = ctx['conn'].bio_read(4096)
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logger.info("State: " + ctx['conn'].state_string())
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return struct.pack(">BBHBB", EAP_CODE_REQUEST, ctx['id'],
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4 + 1 + 1 + len(data),
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EAP_TYPE_FAST, 0x01) + data
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def eap_handler(ctx, req):
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logger.info("eap_handler - RX " + req.encode("hex"))
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if 'num' not in ctx:
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ctx['num'] = 0
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ctx['num'] = ctx['num'] + 1
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if 'id' not in ctx:
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ctx['id'] = 1
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ctx['id'] = (ctx['id'] + 1) % 256
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idx = 0
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global eap_fast_proto_ctx
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eap_fast_proto_ctx = ctx
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ctx['test_done'] = False
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logger.debug("ctx['num']=%d" % ctx['num'])
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idx += 1
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if ctx['num'] == idx:
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return eap_fast_start(ctx)
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idx += 1
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if ctx['num'] == idx:
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return process_clienthello(ctx, req[6:])
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idx += 1
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if ctx['num'] == idx:
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if not test_failure:
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ctx['test_done'] = True
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return process_clientkeyexchange(ctx, req[6:], test_payload)
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idx += 1
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if ctx['num'] == idx:
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ctx['test_done'] = True
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return struct.pack(">BBH", EAP_CODE_FAILURE, ctx['id'], 4)
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logger.info("Past last test case")
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return struct.pack(">BBH", EAP_CODE_FAILURE, ctx['id'], 4)
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srv = start_radius_server(eap_handler)
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try:
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dev[0].connect("eap-test", key_mgmt="WPA-EAP", scan_freq="2412",
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eap="FAST", anonymous_identity="FAST",
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identity="user", password="password",
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ca_cert="auth_serv/ca.pem", phase2="auth=MSCHAPV2",
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phase1="fast_provisioning=1",
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pac_file="blob://fast_pac_proto",
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wait_connect=False)
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ev = dev[0].wait_event(["CTRL-EVENT-EAP-METHOD"], timeout=5)
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if ev is None:
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raise Exception("Could not start EAP-FAST")
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dev[0].dump_monitor()
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ok = False
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for i in range(100):
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if eap_fast_proto_ctx:
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if eap_fast_proto_ctx['test_done']:
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ok = True
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break
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time.sleep(0.05)
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time.sleep(0.1)
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dev[0].request("REMOVE_NETWORK all")
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dev[0].wait_disconnected()
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if not ok:
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raise Exception("EAP-FAST TLS exchange did not complete")
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for i in range(3):
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dev[i].dump_monitor()
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finally:
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stop_radius_server(srv)
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def test_eap_fast_proto_phase2(dev, apdev):
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"""EAP-FAST Phase 2 protocol testing"""
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if not openssl_imported:
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raise HwsimSkip("OpenSSL python method not available")
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check_eap_capa(dev[0], "FAST")
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hapd = start_ap(apdev[0]['ifname'])
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tests = [ ("Too short Phase 2 TLV frame (len=3)",
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"ABC",
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False),
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("EAP-FAST: TLV overflow",
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struct.pack(">HHB", 0, 2, 0xff),
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False),
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("EAP-FAST: Unknown TLV (optional and mandatory)",
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struct.pack(">HHB", 0, 1, 0xff) +
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struct.pack(">HHB", EAP_TLV_TYPE_MANDATORY, 1, 0xff),
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True),
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("EAP-FAST: More than one EAP-Payload TLV in the message",
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struct.pack(">HHBHHB",
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EAP_TLV_EAP_PAYLOAD_TLV, 1, 0xff,
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EAP_TLV_EAP_PAYLOAD_TLV, 1, 0xff),
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True),
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("EAP-FAST: Unknown Result 255 and More than one Result TLV in the message",
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struct.pack(">HHHHHH",
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EAP_TLV_RESULT_TLV, 2, 0xff,
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EAP_TLV_RESULT_TLV, 2, 0xff),
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True),
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("EAP-FAST: Too short Result TLV",
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struct.pack(">HHB", EAP_TLV_RESULT_TLV, 1, 0xff),
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True),
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("EAP-FAST: Unknown Intermediate Result 255 and More than one Intermediate-Result TLV in the message",
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struct.pack(">HHHHHH",
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EAP_TLV_INTERMEDIATE_RESULT_TLV, 2, 0xff,
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EAP_TLV_INTERMEDIATE_RESULT_TLV, 2, 0xff),
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True),
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("EAP-FAST: Too short Intermediate-Result TLV",
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struct.pack(">HHB", EAP_TLV_INTERMEDIATE_RESULT_TLV, 1, 0xff),
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True),
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("EAP-FAST: More than one Crypto-Binding TLV in the message",
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struct.pack(">HH", EAP_TLV_CRYPTO_BINDING_TLV, 60) + 60*'A' +
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struct.pack(">HH", EAP_TLV_CRYPTO_BINDING_TLV, 60) + 60*'A',
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True),
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("EAP-FAST: Too short Crypto-Binding TLV",
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struct.pack(">HHB", EAP_TLV_CRYPTO_BINDING_TLV, 1, 0xff),
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True),
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("EAP-FAST: More than one Request-Action TLV in the message",
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struct.pack(">HHBBHHBB",
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EAP_TLV_REQUEST_ACTION_TLV, 2, 0xff, 0xff,
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EAP_TLV_REQUEST_ACTION_TLV, 2, 0xff, 0xff),
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True),
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("EAP-FAST: Too short Request-Action TLV",
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struct.pack(">HHB", EAP_TLV_REQUEST_ACTION_TLV, 1, 0xff),
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True),
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("EAP-FAST: More than one PAC TLV in the message",
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struct.pack(">HHBHHB",
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EAP_TLV_PAC_TLV, 1, 0xff,
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EAP_TLV_PAC_TLV, 1, 0xff),
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True),
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("EAP-FAST: Too short EAP Payload TLV (Len=3)",
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struct.pack(">HH3B",
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EAP_TLV_EAP_PAYLOAD_TLV, 3, 0, 0, 0),
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False),
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("EAP-FAST: Too short Phase 2 request (Len=0)",
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struct.pack(">HHBBH",
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EAP_TLV_EAP_PAYLOAD_TLV, 4,
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EAP_CODE_REQUEST, 0, 0),
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False),
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("EAP-FAST: EAP packet overflow in EAP Payload TLV",
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struct.pack(">HHBBH",
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EAP_TLV_EAP_PAYLOAD_TLV, 4,
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EAP_CODE_REQUEST, 0, 4 + 1),
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False),
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("EAP-FAST: Unexpected code=0 in Phase 2 EAP header",
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struct.pack(">HHBBH",
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EAP_TLV_EAP_PAYLOAD_TLV, 4,
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0, 0, 0),
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False),
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("EAP-FAST: PAC TLV without Result TLV acknowledging success",
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struct.pack(">HHB", EAP_TLV_PAC_TLV, 1, 0xff),
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True),
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("EAP-FAST: PAC TLV does not include all the required fields",
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struct.pack(">HHH", EAP_TLV_RESULT_TLV, 2,
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EAP_TLV_RESULT_SUCCESS) +
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struct.pack(">HHB", EAP_TLV_PAC_TLV, 1, 0xff),
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True),
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("EAP-FAST: Invalid PAC-Key length 0, Ignored unknown PAC type 0, and PAC TLV overrun (type=0 len=2 left=1)",
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struct.pack(">HHH", EAP_TLV_RESULT_TLV, 2,
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EAP_TLV_RESULT_SUCCESS) +
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struct.pack(">HHHHHHHHB", EAP_TLV_PAC_TLV, 4 + 4 + 5,
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PAC_TYPE_PAC_KEY, 0, 0, 0, 0, 2, 0),
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True),
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("EAP-FAST: PAC-Info does not include all the required fields",
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struct.pack(">HHH", EAP_TLV_RESULT_TLV, 2,
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EAP_TLV_RESULT_SUCCESS) +
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struct.pack(">HHHHHHHH", EAP_TLV_PAC_TLV, 4 + 4 + 4 + 32,
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PAC_TYPE_PAC_OPAQUE, 0,
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PAC_TYPE_PAC_INFO, 0,
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PAC_TYPE_PAC_KEY, 32) + 32*'A',
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True),
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("EAP-FAST: Invalid CRED_LIFETIME length, Ignored unknown PAC-Info type 0, and Invalid PAC-Type length 1",
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struct.pack(">HHH", EAP_TLV_RESULT_TLV, 2,
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EAP_TLV_RESULT_SUCCESS) +
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struct.pack(">HHHHHHHHHHHHBHH", EAP_TLV_PAC_TLV, 4 + 4 + 13 + 4 + 32,
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PAC_TYPE_PAC_OPAQUE, 0,
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PAC_TYPE_PAC_INFO, 13, PAC_TYPE_CRED_LIFETIME, 0,
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0, 0, PAC_TYPE_PAC_TYPE, 1, 0,
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PAC_TYPE_PAC_KEY, 32) + 32*'A',
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True),
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("EAP-FAST: Unsupported PAC-Type 0",
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struct.pack(">HHH", EAP_TLV_RESULT_TLV, 2,
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EAP_TLV_RESULT_SUCCESS) +
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struct.pack(">HHHHHHHHHHH", EAP_TLV_PAC_TLV, 4 + 4 + 6 + 4 + 32,
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PAC_TYPE_PAC_OPAQUE, 0,
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PAC_TYPE_PAC_INFO, 6, PAC_TYPE_PAC_TYPE, 2, 0,
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PAC_TYPE_PAC_KEY, 32) + 32*'A',
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True),
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("EAP-FAST: PAC-Info overrun (type=0 len=2 left=1)",
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struct.pack(">HHH", EAP_TLV_RESULT_TLV, 2,
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EAP_TLV_RESULT_SUCCESS) +
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struct.pack(">HHHHHHHHBHH", EAP_TLV_PAC_TLV, 4 + 4 + 5 + 4 + 32,
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PAC_TYPE_PAC_OPAQUE, 0,
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PAC_TYPE_PAC_INFO, 5, 0, 2, 1,
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PAC_TYPE_PAC_KEY, 32) + 32*'A',
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True),
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("EAP-FAST: Valid PAC",
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struct.pack(">HHH", EAP_TLV_RESULT_TLV, 2,
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EAP_TLV_RESULT_SUCCESS) +
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struct.pack(">HHHHHHHHBHHBHH", EAP_TLV_PAC_TLV,
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4 + 4 + 10 + 4 + 32,
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PAC_TYPE_PAC_OPAQUE, 0,
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PAC_TYPE_PAC_INFO, 10, PAC_TYPE_A_ID, 1, 0x41,
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PAC_TYPE_A_ID_INFO, 1, 0x42,
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PAC_TYPE_PAC_KEY, 32) + 32*'A',
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True),
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("EAP-FAST: Invalid version/subtype in Crypto-Binding TLV",
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struct.pack(">HH", EAP_TLV_CRYPTO_BINDING_TLV, 60) + 60*'A',
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True) ]
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for title, payload, failure in tests:
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logger.info("Phase 2 test: " + title)
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run_eap_fast_phase2(dev, payload, failure)
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def test_eap_fast_tlv_nak_oom(dev, apdev):
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"""EAP-FAST Phase 2 TLV NAK OOM"""
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if not openssl_imported:
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raise HwsimSkip("OpenSSL python method not available")
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check_eap_capa(dev[0], "FAST")
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hapd = start_ap(apdev[0]['ifname'])
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with alloc_fail(dev[0], 1, "eap_fast_tlv_nak"):
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run_eap_fast_phase2(dev, struct.pack(">HHB", EAP_TLV_TYPE_MANDATORY,
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1, 0xff), False)
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