hostapd/tests/hwsim/wpasupplicant.py
Jouni Malinen 1ae73b03be Add a starting point for mac80211_hwsim-based testing
This will hopefully grow over time to become a much more complete
testing mechanism that uses mac80211_hwsim to verify various
wpa_supplicant and hostapd functions automatically.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-03-02 01:05:03 +02:00

122 lines
3.7 KiB
Python

#!/usr/bin/python
#
# Python class for controlling wpa_supplicant
# Copyright (c) 2013, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import os
import time
import logging
import wpaspy
logger = logging.getLogger(__name__)
wpas_ctrl = '/var/run/wpa_supplicant'
class WpaSupplicant:
def __init__(self, ifname):
self.ifname = ifname
self.ctrl = wpaspy.Ctrl(os.path.join(wpas_ctrl, ifname))
self.mon = wpaspy.Ctrl(os.path.join(wpas_ctrl, ifname))
self.mon.attach()
def request(self, cmd):
logger.debug(self.ifname + ": CTRL: " + cmd)
return self.ctrl.request(cmd)
def ping(self):
return "PONG" in self.request("PING")
def reset(self):
self.request("P2P_STOP_FIND")
self.request("P2P_FLUSH")
self.request("P2P_GROUP_REMOVE *")
self.request("REMOVE_NETWORK *")
self.request("REMOVE_CRED *")
def get_status(self, field):
res = self.request("STATUS")
lines = res.splitlines()
for l in lines:
[name,value] = l.split('=', 1)
if name == field:
return value
return None
def p2p_dev_addr(self):
return self.get_status("p2p_device_address")
def p2p_listen(self):
return self.request("P2P_LISTEN")
def p2p_find(self, social=False):
if social:
return self.request("P2P_FIND type=social")
return self.request("P2P_FIND")
def wps_read_pin(self):
#TODO: make this random
self.pin = "12345670"
return self.pin
def peer_known(self, peer, full=True):
res = self.request("P2P_PEER " + peer)
if peer.lower() not in res.lower():
return False
if not full:
return True
return "[PROBE_REQ_ONLY]" not in res
def discover_peer(self, peer, full=True, timeout=15):
logger.info(self.ifname + ": Trying to discover peer " + peer)
if self.peer_known(peer, full):
return True
self.p2p_find()
count = 0
while count < timeout:
time.sleep(1)
count = count + 1
if self.peer_known(peer, full):
return True
return False
def p2p_go_neg_auth(self, peer, pin, method):
if not self.discover_peer(peer):
raise Exception("Peer " + peer + " not found")
self.dump_monitor()
cmd = "P2P_CONNECT " + peer + " " + pin + " " + method + " auth"
if "OK" in self.request(cmd):
return None
raise Exception("P2P_CONNECT (auth) failed")
def p2p_go_neg_init(self, peer, pin, method, timeout=0):
if not self.discover_peer(peer):
raise Exception("Peer " + peer + " not found")
self.dump_monitor()
cmd = "P2P_CONNECT " + peer + " " + pin + " " + method
if "OK" in self.request(cmd):
if timeout == 0:
self.dump_monitor()
return None
if self.wait_event("P2P-GROUP-STARTED", timeout):
self.dump_monitor()
return None
raise Exception("Group formation timed out")
raise Exception("P2P_CONNECT failed")
def wait_event(self, event, timeout):
count = 0
while count < timeout * 2:
count = count + 1
time.sleep(0.5)
while self.mon.pending():
ev = self.mon.recv()
if event in ev:
return True
return False
def dump_monitor(self):
while self.mon.pending():
ev = self.mon.recv()
logger.debug(self.ifname + ": " + ev)