hostap/tests/hwsim/test_wpas_config.py

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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
def check_config(config):
with open(config, "r") as f:
data = f.read()
if "update_config=1\n" not in data:
raise Exception("Missing update_config")
if "device_name=name\n" not in data:
raise Exception("Missing device_name")
if "eapol_version=2\n" not in data:
raise Exception("Missing eapol_version")
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")
if "wps_priority=5\n" not in data:
raise Exception("Missing wps_priority")
if "ip_addr_go=192.168.1.1\n" not in data:
raise Exception("Missing ip_addr_go")
if "ip_addr_mask=255.255.255.0\n" not in data:
raise Exception("Missing ip_addr_mask")
if "ip_addr_start=192.168.1.10\n" not in data:
raise Exception("Missing ip_addr_start")
if "ip_addr_end=192.168.1.20\n" not in data:
raise Exception("Missing ip_addr_end")
return data
def test_wpas_config_file(dev):
"""wpa_supplicant config file parsing/writing"""
config = "/tmp/test_wpas_config_file.conf"
if os.path.exists(config):
os.remove(config)
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)
wpas.request("SET wps_priority 5")
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_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")
wpas.request("SET ip_addr_go 192.168.1.1")
wpas.request("SET ip_addr_mask 255.255.255.0")
wpas.request("SET ip_addr_start 192.168.1.10")
wpas.request("SET ip_addr_end 192.168.1.20")
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(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")
if "OK" not in wpas.request("SAVE_CONFIG"):
raise Exception("Failed to save configuration file")
data2 = check_config(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.remove(config)
except:
pass
try:
os.remove(config + ".tmp")
except:
pass
try:
os.rmdir(config)
except:
pass