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fragattacks/tests/hwsim/test_wpas_config.py
Jouni Malinen 3cd0adea26 tests: wpa_supplicant config parsing and storing for new variables 
Signed-off-by: Jouni Malinen <j@w1.fi>
2019-01-12 19:21:45 +02:00

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# wpa_supplicant config file
# Copyright (c) 2014, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import logging
logger = logging.getLogger()
import os
from wpasupplicant import WpaSupplicant
import hostapd
config_checks = [ ("ap_scan", "0"),
("update_config", "1"),
("device_name", "name"),
("eapol_version", "2"),
("wps_priority", "5"),
("ip_addr_go", "192.168.1.1"),
("ip_addr_mask", "255.255.255.0"),
("ip_addr_start", "192.168.1.10"),
("ip_addr_end", "192.168.1.20"),
("disable_scan_offload", "1"),
("fast_reauth", "0"),
("uuid", "6aeae5e3-c1fc-4e76-8293-7346e1d1459d"),
("manufacturer", "MANUF"),
("model_name", "MODEL"),
("model_number", "MODEL NUM"),
("serial_number", "123qwerty"),
("device_type", "1234-0050F204-4321"),
("os_version", "01020304"),
("config_methods", "label push_button"),
("wps_cred_processing", "1"),
("wps_vendor_ext_m1", "000137100100020001"),
("p2p_listen_reg_class", "81"),
("p2p_listen_channel", "6"),
("p2p_oper_reg_class", "82"),
("p2p_oper_channel", "14"),
("p2p_go_intent", "14"),
("p2p_ssid_postfix", "foobar"),
("persistent_reconnect", "1"),
("p2p_intra_bss", "0"),
("p2p_group_idle", "2"),
("p2p_passphrase_len", "63"),
("p2p_pref_chan", "81:1,82:14,81:11"),
("p2p_no_go_freq", "2412-2432,2462,5000-6000"),
("p2p_add_cli_chan", "1"),
("p2p_optimize_listen_chan", "1"),
("p2p_go_ht40", "1"),
("p2p_go_vht", "1"),
("p2p_go_ctwindow", "1"),
("p2p_disabled", "1"),
("p2p_no_group_iface", "1"),
("p2p_ignore_shared_freq", "1"),
("p2p_cli_probe", "1"),
("p2p_go_freq_change_policy", "0"),
("country", "FI"),
("bss_max_count", "123"),
("bss_expiration_age", "45"),
("bss_expiration_scan_count", "17"),
("filter_ssids", "1"),
("filter_rssi", "-10"),
("max_num_sta", "3"),
("disassoc_low_ack", "1"),
("hs20", "1"),
("interworking", "1"),
("hessid", "02:03:04:05:06:07"),
("access_network_type", "7"),
("pbc_in_m1", "1"),
("wps_nfc_dev_pw_id", "12345"),
("wps_nfc_dh_pubkey", "1234567890ABCDEF"),
("wps_nfc_dh_privkey", "FF1234567890ABCDEFFF"),
("ext_password_backend", "test"),
("p2p_go_max_inactivity", "9"),
("auto_interworking", "1"),
("okc", "1"),
("pmf", "1"),
("dtim_period", "3"),
("beacon_int", "102"),
("sae_groups", "5 19"),
("ap_vendor_elements", "dd0411223301"),
("ignore_old_scan_res", "1"),
("freq_list", "2412 2437"),
("scan_cur_freq", "1"),
("sched_scan_interval", "13"),
("external_sim", "1"),
("tdls_external_control", "1"),
("wowlan_triggers", "any"),
("bgscan", '"simple:30:-45:300"'),
("p2p_search_delay", "123"),
("mac_addr", "2"),
("rand_addr_lifetime", "123456789"),
("preassoc_mac_addr", "1"),
("gas_rand_addr_lifetime", "567"),
("gas_rand_mac_addr", "2"),
("key_mgmt_offload", "0"),
("user_mpm", "0"),
("max_peer_links", "17"),
("cert_in_cb", "0"),
("mesh_max_inactivity", "31"),
("dot11RSNASAERetransPeriod", "19"),
("passive_scan", "1"),
("reassoc_same_bss_optim", "1"),
("wpa_rsc_relaxation", "0"),
("sched_scan_plans", "10:100 20:200 30"),
("non_pref_chan", "81:5:10:2 81:1:0:2 81:9:0:2"),
("mbo_cell_capa", "1"),
("gas_address3", "1"),
("ftm_responder", "1"),
("ftm_initiator", "1"),
("pcsc_reader", "foo"),
("pcsc_pin", "1234"),
("driver_param", "testing"),
("dot11RSNAConfigPMKLifetime", "43201"),
("dot11RSNAConfigPMKReauthThreshold", "71"),
("dot11RSNAConfigSATimeout", "61"),
("sec_device_type", "12345-0050F204-54321"),
("autoscan", "exponential:3:300"),
("osu_dir", "/tmp/osu"),
("fst_group_id", "bond0"),
("fst_priority", "5"),
("fst_llt", "7"),
("go_interworking", "1"),
("go_access_network_type", "2"),
("go_internet", "1"),
("go_venue_group", "3"),
("go_venue_type", "4"),
("p2p_device_random_mac_addr", "1"),
("p2p_device_persistent_mac_addr", "02:12:34:56:78:9a"),
("p2p_interface_random_mac_addr", "1"),
("openssl_ciphers", "DEFAULT") ]
def supported_param(capa, field):
mesh_params = [ "user_mpm", "max_peer_links", "mesh_max_inactivity" ]
if field in mesh_params and not capa['mesh']:
return False
sae_params = [ "dot11RSNASAERetransPeriod" ]
if field in sae_params and not capa['sae']:
return False
return True
def check_config(capa, config):
with open(config, "r") as f:
data = f.read()
if "ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=" not in data:
raise Exception("Missing ctrl_interface")
if "blob-base64-foo={" not in data:
raise Exception("Missing blob")
if "cred={" not in data:
raise Exception("Missing cred")
if "network={" not in data:
raise Exception("Missing network")
for field, value in config_checks:
if supported_param(capa, field):
if "\n" + field + "=" + value + "\n" not in data:
raise Exception("Missing value: " + field)
return data
def test_wpas_config_file(dev, apdev, params):
"""wpa_supplicant config file parsing/writing"""
config = os.path.join(params['logdir'], 'wpas_config_file.conf')
if os.path.exists(config):
try:
os.remove(config)
except:
pass
try:
os.rmdir(config)
except:
pass
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
try:
wpas.interface_add("wlan5", config=config)
initialized = True
except:
initialized = False
if initialized:
raise Exception("Missing config file did not result in an error")
try:
with open(config, "w") as f:
f.write("update_config=1 \t\r\n")
f.write("# foo\n")
f.write("\n")
f.write(" \t\reapol_version=2")
for i in range(0, 100):
f.write(" ")
f.write("foo\n")
f.write("device_name=name#foo\n")
wpas.interface_add("wlan5", config=config)
capa = {}
capa['mesh'] = "MESH" in wpas.get_capability("modes")
capa['sae'] = "SAE" in wpas.get_capability("auth_alg")
id = wpas.add_network()
wpas.set_network_quoted(id, "ssid", "foo")
wpas.set_network_quoted(id, "psk", "12345678")
wpas.set_network(id, "bssid", "00:11:22:33:44:55")
wpas.set_network(id, "proto", "RSN")
wpas.set_network(id, "key_mgmt", "WPA-PSK-SHA256")
wpas.set_network(id, "pairwise", "CCMP")
wpas.set_network(id, "group", "CCMP")
wpas.set_network(id, "auth_alg", "OPEN")
id = wpas.add_cred()
wpas.set_cred(id, "priority", "3")
wpas.set_cred(id, "sp_priority", "6")
wpas.set_cred(id, "update_identifier", "4")
wpas.set_cred(id, "ocsp", "1")
wpas.set_cred(id, "eap", "TTLS")
wpas.set_cred(id, "req_conn_capab", "6:1234")
wpas.set_cred_quoted(id, "realm", "example.com")
wpas.set_cred_quoted(id, "provisioning_sp", "example.com")
wpas.set_cred_quoted(id, "domain", "example.com")
wpas.set_cred_quoted(id, "domain_suffix_match", "example.com")
wpas.set_cred(id, "roaming_consortium", "112233")
wpas.set_cred(id, "required_roaming_consortium", "112233")
wpas.set_cred_quoted(id, "roaming_consortiums",
"112233,aabbccddee,445566")
wpas.set_cred_quoted(id, "roaming_partner",
"roaming.example.net,1,127,*")
wpas.set_cred_quoted(id, "ca_cert", "/tmp/ca.pem")
wpas.set_cred_quoted(id, "username", "user")
wpas.set_cred_quoted(id, "password", "secret")
ev = wpas.wait_event(["CRED-MODIFIED 0 password"])
wpas.request("SET blob foo 12345678")
for field, value in config_checks:
if supported_param(capa, field):
wpas.set(field, value)
if "OK" not in wpas.request("SAVE_CONFIG"):
raise Exception("Failed to save configuration file")
if "OK" not in wpas.global_request("SAVE_CONFIG"):
raise Exception("Failed to save configuration file")
wpas.interface_remove("wlan5")
data1 = check_config(capa, config)
wpas.interface_add("wlan5", config=config)
if len(wpas.list_networks()) != 1:
raise Exception("Unexpected number of networks")
if len(wpas.request("LIST_CREDS").splitlines()) != 2:
raise Exception("Unexpected number of credentials")
val = wpas.get_cred(0, "roaming_consortiums")
if val != "112233,aabbccddee,445566":
raise Exception("Unexpected roaming_consortiums value: " + val)
if "OK" not in wpas.request("SAVE_CONFIG"):
raise Exception("Failed to save configuration file")
data2 = check_config(capa, config)
if data1 != data2:
logger.debug(data1)
logger.debug(data2)
raise Exception("Unexpected configuration change")
wpas.request("SET update_config 0")
wpas.global_request("SET update_config 0")
if "OK" in wpas.request("SAVE_CONFIG"):
raise Exception("SAVE_CONFIG succeeded unexpectedly")
if "OK" in wpas.global_request("SAVE_CONFIG"):
raise Exception("SAVE_CONFIG (global) succeeded unexpectedly")
# replace the config file with a directory to break writing/renaming
os.remove(config)
os.mkdir(config)
wpas.request("SET update_config 1")
wpas.global_request("SET update_config 1")
if "OK" in wpas.request("SAVE_CONFIG"):
raise Exception("SAVE_CONFIG succeeded unexpectedly")
if "OK" in wpas.global_request("SAVE_CONFIG"):
raise Exception("SAVE_CONFIG (global) succeeded unexpectedly")
finally:
try:
os.rmdir(config)
except:
pass
wpas.dump_monitor()
wpas.request("SET country 00")
wpas.wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=1)
def test_wpas_config_file_wps(dev, apdev):
"""wpa_supplicant config file parsing/writing with WPS"""
config = "/tmp/test_wpas_config_file.conf"
if os.path.exists(config):
os.remove(config)
params = { "ssid": "test-wps", "eap_server": "1", "wps_state": "2",
"skip_cred_build": "1", "extra_cred": "wps-ctrl-cred" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
try:
with open(config, "w") as f:
f.write("update_config=1\n")
wpas.interface_add("wlan5", config=config)
hapd.request("WPS_PIN any 12345670")
wpas.scan_for_bss(apdev[0]['bssid'], freq="2412")
wpas.request("WPS_PIN " + apdev[0]['bssid'] + " 12345670")
ev = wpas.wait_event(["WPS-FAIL"], timeout=10)
if ev is None:
raise Exception("WPS-FAIL event timed out")
with open(config, "r") as f:
data = f.read()
logger.info("Configuration file contents: " + data)
if "network=" in data:
raise Exception("Unexpected network block in configuration data")
finally:
try:
os.remove(config)
except:
pass
try:
os.remove(config + ".tmp")
except:
pass
try:
os.rmdir(config)
except:
pass
def test_wpas_config_file_wps2(dev, apdev):
"""wpa_supplicant config file parsing/writing with WPS (2)"""
config = "/tmp/test_wpas_config_file.conf"
if os.path.exists(config):
os.remove(config)
params = { "ssid": "test-wps", "eap_server": "1", "wps_state": "2",
"skip_cred_build": "1", "extra_cred": "wps-ctrl-cred2" }
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
try:
with open(config, "w") as f:
f.write("update_config=1\n")
wpas.interface_add("wlan5", config=config)
hapd.request("WPS_PIN any 12345670")
wpas.scan_for_bss(apdev[0]['bssid'], freq="2412")
wpas.request("WPS_PIN " + apdev[0]['bssid'] + " 12345670")
ev = wpas.wait_event(["WPS-SUCCESS"], timeout=10)
if ev is None:
raise Exception("WPS-SUCCESS event timed out")
with open(config, "r") as f:
data = f.read()
logger.info("Configuration file contents: " + data)
with open(config, "r") as f:
data = f.read()
if "network=" not in data:
raise Exception("Missing network block in configuration data")
if "ssid=410a420d430044" not in data:
raise Exception("Unexpected ssid parameter value")
finally:
try:
os.remove(config)
except:
pass
try:
os.remove(config + ".tmp")
except:
pass
try:
os.rmdir(config)
except:
pass
def test_wpas_config_file_set_psk(dev):
"""wpa_supplicant config file parsing/writing with arbitrary PSK value"""
config = "/tmp/test_wpas_config_file.conf"
if os.path.exists(config):
os.remove(config)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
try:
with open(config, "w") as f:
f.write("update_config=1\n")
wpas.interface_add("wlan5", config=config)
id = wpas.add_network()
wpas.set_network_quoted(id, "ssid", "foo")
if "OK" in wpas.request('SET_NETWORK %d psk "12345678"\n}\nmodel_name=foobar\nnetwork={\n#\"' % id):
raise Exception("Invalid psk value accepted")
if "OK" not in wpas.request("SAVE_CONFIG"):
raise Exception("Failed to save configuration file")
with open(config, "r") as f:
data = f.read()
logger.info("Configuration file contents: " + data)
if "model_name" in data:
raise Exception("Unexpected parameter added to configuration")
wpas.interface_remove("wlan5")
wpas.interface_add("wlan5", config=config)
finally:
try:
os.remove(config)
except:
pass
try:
os.remove(config + ".tmp")
except:
pass
try:
os.rmdir(config)
except:
pass
def test_wpas_config_file_set_cred(dev):
"""wpa_supplicant config file parsing/writing with arbitrary cred values"""
config = "/tmp/test_wpas_config_file.conf"
if os.path.exists(config):
os.remove(config)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
try:
with open(config, "w") as f:
f.write("update_config=1\n")
wpas.interface_add("wlan5", config=config)
id = wpas.add_cred()
wpas.set_cred_quoted(id, "username", "hello")
fields = [ "username", "milenage", "imsi", "password", "realm",
"phase1", "phase2", "provisioning_sp" ]
for field in fields:
if "FAIL" not in wpas.request('SET_CRED %d %s "hello"\n}\nmodel_name=foobar\ncred={\n#\"' % (id, field)):
raise Exception("Invalid %s value accepted" % field)
if "OK" not in wpas.request("SAVE_CONFIG"):
raise Exception("Failed to save configuration file")
with open(config, "r") as f:
data = f.read()
logger.info("Configuration file contents: " + data)
if "model_name" in data:
raise Exception("Unexpected parameter added to configuration")
wpas.interface_remove("wlan5")
wpas.interface_add("wlan5", config=config)
finally:
try:
os.remove(config)
except:
pass
try:
os.remove(config + ".tmp")
except:
pass
try:
os.rmdir(config)
except:
pass
def test_wpas_config_file_set_global(dev):
"""wpa_supplicant config file parsing/writing with arbitrary global values"""
config = "/tmp/test_wpas_config_file.conf"
if os.path.exists(config):
os.remove(config)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
try:
with open(config, "w") as f:
f.write("update_config=1\n")
wpas.interface_add("wlan5", config=config)
fields = [ "model_name", "device_name", "ctrl_interface_group",
"opensc_engine_path", "pkcs11_engine_path",
"pkcs11_module_path", "openssl_ciphers", "pcsc_reader",
"pcsc_pin", "driver_param", "manufacturer", "model_name",
"model_number", "serial_number", "config_methods",
"p2p_ssid_postfix", "autoscan", "ext_password_backend",
"osu_dir", "wowlan_triggers", "fst_group_id",
"sched_scan_plans", "non_pref_chan" ]
for field in fields:
if "FAIL" not in wpas.request('SET %s hello\nmodel_name=foobar' % field):
raise Exception("Invalid %s value accepted" % field)
if "OK" not in wpas.request("SAVE_CONFIG"):
raise Exception("Failed to save configuration file")
with open(config, "r") as f:
data = f.read()
logger.info("Configuration file contents: " + data)
if "model_name" in data:
raise Exception("Unexpected parameter added to configuration")
wpas.interface_remove("wlan5")
wpas.interface_add("wlan5", config=config)
finally:
try:
os.remove(config)
except:
pass
try:
os.remove(config + ".tmp")
except:
pass
try:
os.rmdir(config)
except:
pass
def test_wpas_config_file_key_mgmt(dev, apdev, params):
"""wpa_supplicant config file writing and key_mgmt values"""
config = os.path.join(params['logdir'],
'wpas_config_file_key_mgmt.conf')
if os.path.exists(config):
os.remove(config)
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
with open(config, "w") as f:
f.write("update_config=1\n")
wpas.interface_add("wlan5", config=config)
from test_dpp import params1_csign, params1_sta_connector, params1_sta_netaccesskey
id = wpas.add_network()
wpas.set_network_quoted(id, "ssid", "foo")
wpas.set_network(id, "key_mgmt", "DPP")
wpas.set_network(id, "ieee80211w", "2")
wpas.set_network_quoted(id, "dpp_csign", params1_csign)
wpas.set_network_quoted(id, "dpp_connector", params1_sta_connector)
wpas.set_network_quoted(id, "dpp_netaccesskey", params1_sta_netaccesskey)
if "OK" not in wpas.request("SAVE_CONFIG"):
raise Exception("Failed to save configuration file")
with open(config, "r") as f:
data = f.read()
logger.info("Configuration file contents: " + data)
if "key_mgmt=DPP" not in data:
raise Exception("Missing key_mgmt")
if 'dpp_connector="' + params1_sta_connector + '"' not in data:
raise Exception("Missing dpp_connector")
if 'dpp_netaccesskey="' + params1_sta_netaccesskey + '"' not in data:
raise Exception("Missing dpp_netaccesskey")
if 'dpp_csign="' + params1_csign + '"' not in data:
raise Exception("Missing dpp_csign")
wpas.set_network(id, "dpp_csign", "NULL")
wpas.set_network(id, "dpp_connector", "NULL")
wpas.set_network(id, "dpp_netaccesskey", "NULL")
wpas.set_network_quoted(id, "psk", "12345678")
wpas.set_network(id, "ieee80211w", "0")
tests = [ "WPA-PSK", "WPA-EAP", "IEEE8021X", "NONE", "WPA-NONE", "FT-PSK",
"FT-EAP", "FT-EAP-SHA384", "WPA-PSK-SHA256", "WPA-EAP-SHA256",
"SAE", "FT-SAE", "OSEN", "WPA-EAP-SUITE-B",
"WPA-EAP-SUITE-B-192", "FILS-SHA256", "FILS-SHA384",
"FT-FILS-SHA256", "FT-FILS-SHA384", "OWE", "DPP" ]
for key_mgmt in tests:
wpas.set_network(id, "key_mgmt", key_mgmt)
if "OK" not in wpas.request("SAVE_CONFIG"):
raise Exception("Failed to save configuration file")
with open(config, "r") as f:
data = f.read()
logger.info("Configuration file contents: " + data)
if "key_mgmt=" + key_mgmt not in data:
raise Exception("Missing key_mgmt " + key_mgmt)
wpas.interface_remove("wlan5")
wpas.interface_add("wlan5", config=config)
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