793 lines
28 KiB
Python
793 lines
28 KiB
Python
# Python class for controlling wpa_supplicant
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# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import os
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import time
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import logging
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import binascii
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import re
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import struct
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import subprocess
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import wpaspy
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logger = logging.getLogger()
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wpas_ctrl = '/var/run/wpa_supplicant'
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class WpaSupplicant:
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def __init__(self, ifname=None, global_iface=None):
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self.group_ifname = None
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if ifname:
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self.set_ifname(ifname)
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else:
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self.ifname = None
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self.global_iface = global_iface
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if global_iface:
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self.global_ctrl = wpaspy.Ctrl(global_iface)
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self.global_mon = wpaspy.Ctrl(global_iface)
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self.global_mon.attach()
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def set_ifname(self, ifname):
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self.ifname = ifname
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self.ctrl = wpaspy.Ctrl(os.path.join(wpas_ctrl, ifname))
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self.mon = wpaspy.Ctrl(os.path.join(wpas_ctrl, ifname))
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self.mon.attach()
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def remove_ifname(self):
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if self.ifname:
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self.mon.detach()
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self.mon = None
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self.ctrl = None
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self.ifname = None
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def interface_add(self, ifname, driver="nl80211", drv_params=None):
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try:
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groups = subprocess.check_output(["id"])
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group = "admin" if "(admin)" in groups else "adm"
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except Exception, e:
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group = "admin"
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cmd = "INTERFACE_ADD " + ifname + "\t\t" + driver + "\tDIR=/var/run/wpa_supplicant GROUP=" + group
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if drv_params:
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cmd = cmd + '\t' + drv_params
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if "FAIL" in self.global_request(cmd):
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raise Exception("Failed to add a dynamic wpa_supplicant interface")
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self.set_ifname(ifname)
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def interface_remove(self, ifname):
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self.remove_ifname()
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self.global_request("INTERFACE_REMOVE " + ifname)
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def request(self, cmd):
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logger.debug(self.ifname + ": CTRL: " + cmd)
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return self.ctrl.request(cmd)
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def global_request(self, cmd):
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if self.global_iface is None:
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self.request(cmd)
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else:
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ifname = self.ifname or self.global_iface
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logger.debug(ifname + ": CTRL: " + cmd)
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return self.global_ctrl.request(cmd)
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def group_request(self, cmd):
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if self.group_ifname and self.group_ifname != self.ifname:
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logger.debug(self.group_ifname + ": CTRL: " + cmd)
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gctrl = wpaspy.Ctrl(os.path.join(wpas_ctrl, self.group_ifname))
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return gctrl.request(cmd)
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return self.request(cmd)
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def ping(self):
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return "PONG" in self.request("PING")
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def reset(self):
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res = self.request("FLUSH")
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if not "OK" in res:
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logger.info("FLUSH to " + self.ifname + " failed: " + res)
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self.request("WPS_ER_STOP")
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self.request("SET pmf 0")
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self.request("SET external_sim 0")
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self.request("SET hessid 00:00:00:00:00:00")
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self.request("SET access_network_type 15")
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self.request("SET p2p_add_cli_chan 0")
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self.request("SET p2p_no_go_freq ")
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self.request("SET p2p_pref_chan ")
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self.request("SET p2p_no_group_iface 1")
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self.request("SET p2p_go_intent 7")
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self.group_ifname = None
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self.dump_monitor()
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iter = 0
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while iter < 60:
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state = self.get_driver_status_field("scan_state")
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if "SCAN_STARTED" in state or "SCAN_REQUESTED" in state:
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logger.info(self.ifname + ": Waiting for scan operation to complete before continuing")
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time.sleep(1)
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else:
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break
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iter = iter + 1
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if iter == 60:
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logger.error(self.ifname + ": Driver scan state did not clear")
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print "Trying to clear cfg80211/mac80211 scan state"
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try:
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cmd = ["sudo", "ifconfig", self.ifname, "down"]
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subprocess.call(cmd)
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except subprocess.CalledProcessError, e:
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logger.info("ifconfig failed: " + str(e.returncode))
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logger.info(e.output)
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try:
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cmd = ["sudo", "ifconfig", self.ifname, "up"]
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subprocess.call(cmd)
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except subprocess.CalledProcessError, e:
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logger.info("ifconfig failed: " + str(e.returncode))
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logger.info(e.output)
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if iter > 0:
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# The ongoing scan could have discovered BSSes or P2P peers
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logger.info("Run FLUSH again since scan was in progress")
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self.request("FLUSH")
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self.dump_monitor()
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if not self.ping():
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logger.info("No PING response from " + self.ifname + " after reset")
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def add_network(self):
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id = self.request("ADD_NETWORK")
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if "FAIL" in id:
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raise Exception("ADD_NETWORK failed")
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return int(id)
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def remove_network(self, id):
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id = self.request("REMOVE_NETWORK " + str(id))
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if "FAIL" in id:
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raise Exception("REMOVE_NETWORK failed")
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return None
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def get_network(self, id, field):
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res = self.request("GET_NETWORK " + str(id) + " " + field)
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if res == "FAIL\n":
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return None
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return res
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def set_network(self, id, field, value):
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res = self.request("SET_NETWORK " + str(id) + " " + field + " " + value)
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if "FAIL" in res:
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raise Exception("SET_NETWORK failed")
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return None
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def set_network_quoted(self, id, field, value):
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res = self.request("SET_NETWORK " + str(id) + " " + field + ' "' + value + '"')
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if "FAIL" in res:
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raise Exception("SET_NETWORK failed")
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return None
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def list_networks(self):
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res = self.request("LIST_NETWORKS")
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lines = res.splitlines()
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networks = []
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for l in lines:
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if "network id" in l:
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continue
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[id,ssid,bssid,flags] = l.split('\t')
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network = {}
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network['id'] = id
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network['ssid'] = ssid
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network['bssid'] = bssid
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network['flags'] = flags
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networks.append(network)
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return networks
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def hs20_enable(self):
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self.request("SET interworking 1")
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self.request("SET hs20 1")
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def add_cred(self):
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id = self.request("ADD_CRED")
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if "FAIL" in id:
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raise Exception("ADD_CRED failed")
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return int(id)
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def remove_cred(self, id):
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id = self.request("REMOVE_CRED " + str(id))
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if "FAIL" in id:
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raise Exception("REMOVE_CRED failed")
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return None
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def set_cred(self, id, field, value):
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res = self.request("SET_CRED " + str(id) + " " + field + " " + value)
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if "FAIL" in res:
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raise Exception("SET_CRED failed")
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return None
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def set_cred_quoted(self, id, field, value):
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res = self.request("SET_CRED " + str(id) + " " + field + ' "' + value + '"')
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if "FAIL" in res:
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raise Exception("SET_CRED failed")
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return None
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def add_cred_values(self, params):
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id = self.add_cred()
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quoted = [ "realm", "username", "password", "domain", "imsi",
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"excluded_ssid", "milenage", "ca_cert", "client_cert",
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"private_key", "domain_suffix_match", "provisioning_sp",
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"roaming_partner", "phase1", "phase2" ]
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for field in quoted:
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if field in params:
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self.set_cred_quoted(id, field, params[field])
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not_quoted = [ "eap", "roaming_consortium", "priority",
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"required_roaming_consortium", "sp_priority",
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"max_bss_load", "update_identifier", "req_conn_capab",
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"min_dl_bandwidth_home", "min_ul_bandwidth_home",
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"min_dl_bandwidth_roaming", "min_ul_bandwidth_roaming" ]
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for field in not_quoted:
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if field in params:
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self.set_cred(id, field, params[field])
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return id;
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def select_network(self, id):
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id = self.request("SELECT_NETWORK " + str(id))
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if "FAIL" in id:
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raise Exception("SELECT_NETWORK failed")
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return None
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def connect_network(self, id, timeout=10):
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self.dump_monitor()
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self.select_network(id)
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ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=timeout)
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if ev is None:
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raise Exception("Association with the AP timed out")
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self.dump_monitor()
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def get_status(self):
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res = self.request("STATUS")
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lines = res.splitlines()
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vals = dict()
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for l in lines:
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try:
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[name,value] = l.split('=', 1)
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vals[name] = value
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except ValueError, e:
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logger.info(self.ifname + ": Ignore unexpected STATUS line: " + l)
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return vals
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def get_status_field(self, field):
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vals = self.get_status()
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if field in vals:
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return vals[field]
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return None
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def get_group_status(self):
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res = self.group_request("STATUS")
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lines = res.splitlines()
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vals = dict()
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for l in lines:
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[name,value] = l.split('=', 1)
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vals[name] = value
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return vals
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def get_group_status_field(self, field):
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vals = self.get_group_status()
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if field in vals:
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return vals[field]
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return None
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def get_driver_status(self):
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res = self.request("STATUS-DRIVER")
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lines = res.splitlines()
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vals = dict()
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for l in lines:
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[name,value] = l.split('=', 1)
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vals[name] = value
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return vals
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def get_driver_status_field(self, field):
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vals = self.get_driver_status()
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if field in vals:
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return vals[field]
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return None
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def p2p_dev_addr(self):
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return self.get_status_field("p2p_device_address")
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def p2p_interface_addr(self):
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return self.get_group_status_field("address")
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def p2p_listen(self):
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return self.global_request("P2P_LISTEN")
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def p2p_find(self, social=False, dev_id=None, dev_type=None):
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cmd = "P2P_FIND"
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if social:
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cmd = cmd + " type=social"
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if dev_id:
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cmd = cmd + " dev_id=" + dev_id
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if dev_type:
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cmd = cmd + " dev_type=" + dev_type
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return self.global_request(cmd)
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def p2p_stop_find(self):
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return self.global_request("P2P_STOP_FIND")
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def wps_read_pin(self):
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#TODO: make this random
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self.pin = "12345670"
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return self.pin
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def peer_known(self, peer, full=True):
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res = self.global_request("P2P_PEER " + peer)
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if peer.lower() not in res.lower():
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return False
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if not full:
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return True
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return "[PROBE_REQ_ONLY]" not in res
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def discover_peer(self, peer, full=True, timeout=15, social=True, force_find=False):
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logger.info(self.ifname + ": Trying to discover peer " + peer)
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if not force_find and self.peer_known(peer, full):
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return True
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self.p2p_find(social)
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count = 0
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while count < timeout:
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time.sleep(1)
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count = count + 1
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if self.peer_known(peer, full):
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return True
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return False
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def get_peer(self, peer):
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res = self.global_request("P2P_PEER " + peer)
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if peer.lower() not in res.lower():
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raise Exception("Peer information not available")
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lines = res.splitlines()
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vals = dict()
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for l in lines:
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if '=' in l:
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[name,value] = l.split('=', 1)
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vals[name] = value
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return vals
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def group_form_result(self, ev, expect_failure=False, go_neg_res=None):
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if expect_failure:
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if "P2P-GROUP-STARTED" in ev:
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raise Exception("Group formation succeeded when expecting failure")
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exp = r'<.>(P2P-GO-NEG-FAILURE) status=([0-9]*)'
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s = re.split(exp, ev)
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if len(s) < 3:
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return None
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res = {}
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res['result'] = 'go-neg-failed'
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res['status'] = int(s[2])
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return res
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if "P2P-GROUP-STARTED" not in ev:
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raise Exception("No P2P-GROUP-STARTED event seen")
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exp = r'<.>(P2P-GROUP-STARTED) ([^ ]*) ([^ ]*) ssid="(.*)" freq=([0-9]*) ((?:psk=.*)|(?:passphrase=".*")) go_dev_addr=([0-9a-f:]*) ip_addr=([0-9.]*) ip_mask=([0-9.]*) go_ip_addr=([0-9.]*)'
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s = re.split(exp, ev)
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if len(s) < 11:
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exp = r'<.>(P2P-GROUP-STARTED) ([^ ]*) ([^ ]*) ssid="(.*)" freq=([0-9]*) ((?:psk=.*)|(?:passphrase=".*")) go_dev_addr=([0-9a-f:]*)'
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s = re.split(exp, ev)
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if len(s) < 8:
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raise Exception("Could not parse P2P-GROUP-STARTED")
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res = {}
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res['result'] = 'success'
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res['ifname'] = s[2]
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self.group_ifname = s[2]
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res['role'] = s[3]
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res['ssid'] = s[4]
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res['freq'] = s[5]
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if "[PERSISTENT]" in ev:
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res['persistent'] = True
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else:
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res['persistent'] = False
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p = re.match(r'psk=([0-9a-f]*)', s[6])
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if p:
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res['psk'] = p.group(1)
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p = re.match(r'passphrase="(.*)"', s[6])
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if p:
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res['passphrase'] = p.group(1)
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res['go_dev_addr'] = s[7]
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if len(s) > 8 and len(s[8]) > 0:
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res['ip_addr'] = s[8]
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if len(s) > 9:
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res['ip_mask'] = s[9]
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if len(s) > 10:
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res['go_ip_addr'] = s[10]
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if go_neg_res:
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exp = r'<.>(P2P-GO-NEG-SUCCESS) role=(GO|client) freq=([0-9]*)'
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s = re.split(exp, go_neg_res)
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if len(s) < 4:
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raise Exception("Could not parse P2P-GO-NEG-SUCCESS")
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res['go_neg_role'] = s[2]
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res['go_neg_freq'] = s[3]
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return res
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def p2p_go_neg_auth(self, peer, pin, method, go_intent=None, persistent=False, freq=None):
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if not self.discover_peer(peer):
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raise Exception("Peer " + peer + " not found")
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self.dump_monitor()
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cmd = "P2P_CONNECT " + peer + " " + pin + " " + method + " auth"
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if go_intent:
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cmd = cmd + ' go_intent=' + str(go_intent)
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if freq:
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cmd = cmd + ' freq=' + str(freq)
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if persistent:
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cmd = cmd + " persistent"
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if "OK" in self.global_request(cmd):
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return None
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raise Exception("P2P_CONNECT (auth) failed")
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def p2p_go_neg_auth_result(self, timeout=1, expect_failure=False):
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go_neg_res = None
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ev = self.wait_global_event(["P2P-GO-NEG-SUCCESS",
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"P2P-GO-NEG-FAILURE"], timeout);
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if ev is None:
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if expect_failure:
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return None
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raise Exception("Group formation timed out")
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if "P2P-GO-NEG-SUCCESS" in ev:
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go_neg_res = ev
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ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout);
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if ev is None:
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if expect_failure:
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return None
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raise Exception("Group formation timed out")
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self.dump_monitor()
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return self.group_form_result(ev, expect_failure, go_neg_res)
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def p2p_go_neg_init(self, peer, pin, method, timeout=0, go_intent=None, expect_failure=False, persistent=False, freq=None, provdisc=False):
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if not self.discover_peer(peer):
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raise Exception("Peer " + peer + " not found")
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self.dump_monitor()
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if pin:
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cmd = "P2P_CONNECT " + peer + " " + pin + " " + method
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else:
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cmd = "P2P_CONNECT " + peer + " " + method
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if go_intent:
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cmd = cmd + ' go_intent=' + str(go_intent)
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if freq:
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cmd = cmd + ' freq=' + str(freq)
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if persistent:
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cmd = cmd + " persistent"
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if provdisc:
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cmd = cmd + " provdisc"
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if "OK" in self.global_request(cmd):
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if timeout == 0:
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self.dump_monitor()
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return None
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go_neg_res = None
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ev = self.wait_global_event(["P2P-GO-NEG-SUCCESS",
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"P2P-GO-NEG-FAILURE"], timeout)
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if ev is None:
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if expect_failure:
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return None
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raise Exception("Group formation timed out")
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if "P2P-GO-NEG-SUCCESS" in ev:
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go_neg_res = ev
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ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout)
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if ev is None:
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if expect_failure:
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return None
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raise Exception("Group formation timed out")
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self.dump_monitor()
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return self.group_form_result(ev, expect_failure, go_neg_res)
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raise Exception("P2P_CONNECT failed")
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def wait_event(self, events, timeout=10):
|
|
start = os.times()[4]
|
|
while True:
|
|
while self.mon.pending():
|
|
ev = self.mon.recv()
|
|
logger.debug(self.ifname + ": " + ev)
|
|
for event in events:
|
|
if event in ev:
|
|
return ev
|
|
now = os.times()[4]
|
|
remaining = start + timeout - now
|
|
if remaining <= 0:
|
|
break
|
|
if not self.mon.pending(timeout=remaining):
|
|
break
|
|
return None
|
|
|
|
def wait_global_event(self, events, timeout):
|
|
if self.global_iface is None:
|
|
self.wait_event(events, timeout)
|
|
else:
|
|
start = os.times()[4]
|
|
while True:
|
|
while self.global_mon.pending():
|
|
ev = self.global_mon.recv()
|
|
logger.debug(self.ifname + "(global): " + ev)
|
|
for event in events:
|
|
if event in ev:
|
|
return ev
|
|
now = os.times()[4]
|
|
remaining = start + timeout - now
|
|
if remaining <= 0:
|
|
break
|
|
if not self.global_mon.pending(timeout=remaining):
|
|
break
|
|
return None
|
|
|
|
def wait_go_ending_session(self):
|
|
ev = self.wait_event(["P2P-GROUP-REMOVED"], timeout=3)
|
|
if ev is None:
|
|
raise Exception("Group removal event timed out")
|
|
if "reason=GO_ENDING_SESSION" not in ev:
|
|
raise Exception("Unexpected group removal reason")
|
|
|
|
def dump_monitor(self):
|
|
while self.mon.pending():
|
|
ev = self.mon.recv()
|
|
logger.debug(self.ifname + ": " + ev)
|
|
while self.global_mon.pending():
|
|
ev = self.global_mon.recv()
|
|
logger.debug(self.ifname + "(global): " + ev)
|
|
|
|
def remove_group(self, ifname=None):
|
|
if ifname is None:
|
|
ifname = self.group_ifname if self.group_ifname else self.ifname
|
|
if "OK" not in self.global_request("P2P_GROUP_REMOVE " + ifname):
|
|
raise Exception("Group could not be removed")
|
|
self.group_ifname = None
|
|
|
|
def p2p_start_go(self, persistent=None, freq=None):
|
|
self.dump_monitor()
|
|
cmd = "P2P_GROUP_ADD"
|
|
if persistent is None:
|
|
pass
|
|
elif persistent is True:
|
|
cmd = cmd + " persistent"
|
|
else:
|
|
cmd = cmd + " persistent=" + str(persistent)
|
|
if freq:
|
|
cmd = cmd + " freq=" + str(freq)
|
|
if "OK" in self.global_request(cmd):
|
|
ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("GO start up timed out")
|
|
self.dump_monitor()
|
|
return self.group_form_result(ev)
|
|
raise Exception("P2P_GROUP_ADD failed")
|
|
|
|
def p2p_go_authorize_client(self, pin):
|
|
cmd = "WPS_PIN any " + pin
|
|
if "FAIL" in self.group_request(cmd):
|
|
raise Exception("Failed to authorize client connection on GO")
|
|
return None
|
|
|
|
def p2p_go_authorize_client_pbc(self):
|
|
cmd = "WPS_PBC"
|
|
if "FAIL" in self.group_request(cmd):
|
|
raise Exception("Failed to authorize client connection on GO")
|
|
return None
|
|
|
|
def p2p_connect_group(self, go_addr, pin, timeout=0, social=False):
|
|
self.dump_monitor()
|
|
if not self.discover_peer(go_addr, social=social):
|
|
raise Exception("GO " + go_addr + " not found")
|
|
self.dump_monitor()
|
|
cmd = "P2P_CONNECT " + go_addr + " " + pin + " join"
|
|
if "OK" in self.global_request(cmd):
|
|
if timeout == 0:
|
|
self.dump_monitor()
|
|
return None
|
|
ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout)
|
|
if ev is None:
|
|
raise Exception("Joining the group timed out")
|
|
self.dump_monitor()
|
|
return self.group_form_result(ev)
|
|
raise Exception("P2P_CONNECT(join) failed")
|
|
|
|
def tdls_setup(self, peer):
|
|
cmd = "TDLS_SETUP " + peer
|
|
if "FAIL" in self.group_request(cmd):
|
|
raise Exception("Failed to request TDLS setup")
|
|
return None
|
|
|
|
def tdls_teardown(self, peer):
|
|
cmd = "TDLS_TEARDOWN " + peer
|
|
if "FAIL" in self.group_request(cmd):
|
|
raise Exception("Failed to request TDLS teardown")
|
|
return None
|
|
|
|
def connect(self, ssid=None, ssid2=None, **kwargs):
|
|
logger.info("Connect STA " + self.ifname + " to AP")
|
|
id = self.add_network()
|
|
if ssid:
|
|
self.set_network_quoted(id, "ssid", ssid)
|
|
elif ssid2:
|
|
self.set_network(id, "ssid", ssid2)
|
|
|
|
quoted = [ "psk", "identity", "anonymous_identity", "password",
|
|
"ca_cert", "client_cert", "private_key",
|
|
"private_key_passwd", "ca_cert2", "client_cert2",
|
|
"private_key2", "phase1", "phase2", "domain_suffix_match",
|
|
"altsubject_match", "subject_match", "pac_file", "dh_file" ]
|
|
for field in quoted:
|
|
if field in kwargs and kwargs[field]:
|
|
self.set_network_quoted(id, field, kwargs[field])
|
|
|
|
not_quoted = [ "proto", "key_mgmt", "ieee80211w", "pairwise",
|
|
"group", "wep_key0", "scan_freq", "eap",
|
|
"eapol_flags", "fragment_size", "scan_ssid", "auth_alg" ]
|
|
for field in not_quoted:
|
|
if field in kwargs and kwargs[field]:
|
|
self.set_network(id, field, kwargs[field])
|
|
|
|
if "raw_psk" in kwargs and kwargs['raw_psk']:
|
|
self.set_network(id, "psk", kwargs['raw_psk'])
|
|
if "password_hex" in kwargs and kwargs['password_hex']:
|
|
self.set_network(id, "password", kwargs['password_hex'])
|
|
if "peerkey" in kwargs and kwargs['peerkey']:
|
|
self.set_network(id, "peerkey", "1")
|
|
if "okc" in kwargs and kwargs['okc']:
|
|
self.set_network(id, "proactive_key_caching", "1")
|
|
if "ocsp" in kwargs and kwargs['ocsp']:
|
|
self.set_network(id, "ocsp", str(kwargs['ocsp']))
|
|
if "only_add_network" in kwargs and kwargs['only_add_network']:
|
|
return id
|
|
if "wait_connect" not in kwargs or kwargs['wait_connect']:
|
|
if "eap" in kwargs:
|
|
self.connect_network(id, timeout=20)
|
|
else:
|
|
self.connect_network(id)
|
|
else:
|
|
self.dump_monitor()
|
|
self.select_network(id)
|
|
return id
|
|
|
|
def scan(self, type=None, freq=None, no_wait=False):
|
|
if type:
|
|
cmd = "SCAN TYPE=" + type
|
|
else:
|
|
cmd = "SCAN"
|
|
if freq:
|
|
cmd = cmd + " freq=" + freq
|
|
if not no_wait:
|
|
self.dump_monitor()
|
|
if not "OK" in self.request(cmd):
|
|
raise Exception("Failed to trigger scan")
|
|
if no_wait:
|
|
return
|
|
ev = self.wait_event(["CTRL-EVENT-SCAN-RESULTS"], 15)
|
|
if ev is None:
|
|
raise Exception("Scan timed out")
|
|
|
|
def roam(self, bssid):
|
|
self.dump_monitor()
|
|
self.request("ROAM " + bssid)
|
|
ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Roaming with the AP timed out")
|
|
self.dump_monitor()
|
|
|
|
def roam_over_ds(self, bssid):
|
|
self.dump_monitor()
|
|
self.request("FT_DS " + bssid)
|
|
ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("Roaming with the AP timed out")
|
|
self.dump_monitor()
|
|
|
|
def wps_reg(self, bssid, pin, new_ssid=None, key_mgmt=None, cipher=None,
|
|
new_passphrase=None, no_wait=False):
|
|
self.dump_monitor()
|
|
if new_ssid:
|
|
self.request("WPS_REG " + bssid + " " + pin + " " +
|
|
new_ssid.encode("hex") + " " + key_mgmt + " " +
|
|
cipher + " " + new_passphrase.encode("hex"))
|
|
if no_wait:
|
|
return
|
|
ev = self.wait_event(["WPS-SUCCESS"], timeout=15)
|
|
else:
|
|
self.request("WPS_REG " + bssid + " " + pin)
|
|
if no_wait:
|
|
return
|
|
ev = self.wait_event(["WPS-CRED-RECEIVED"], timeout=15)
|
|
if ev is None:
|
|
raise Exception("WPS cred timed out")
|
|
ev = self.wait_event(["WPS-FAIL"], timeout=15)
|
|
if ev is None:
|
|
raise Exception("WPS timed out")
|
|
ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=15)
|
|
if ev is None:
|
|
raise Exception("Association with the AP timed out")
|
|
|
|
def relog(self):
|
|
self.request("RELOG")
|
|
|
|
def wait_completed(self, timeout=10):
|
|
for i in range(0, timeout * 2):
|
|
if self.get_status_field("wpa_state") == "COMPLETED":
|
|
return
|
|
time.sleep(0.5)
|
|
raise Exception("Timeout while waiting for COMPLETED state")
|
|
|
|
def get_capability(self, field):
|
|
res = self.request("GET_CAPABILITY " + field)
|
|
if "FAIL" in res:
|
|
return None
|
|
return res.split(' ')
|
|
|
|
def get_bss(self, bssid):
|
|
res = self.request("BSS " + bssid)
|
|
lines = res.splitlines()
|
|
vals = dict()
|
|
for l in lines:
|
|
[name,value] = l.split('=', 1)
|
|
vals[name] = value
|
|
return vals
|
|
|
|
def get_pmksa(self, bssid):
|
|
res = self.request("PMKSA")
|
|
lines = res.splitlines()
|
|
for l in lines:
|
|
if bssid not in l:
|
|
continue
|
|
vals = dict()
|
|
[index,aa,pmkid,expiration,opportunistic] = l.split(' ')
|
|
vals['index'] = index
|
|
vals['pmkid'] = pmkid
|
|
vals['expiration'] = expiration
|
|
vals['opportunistic'] = opportunistic
|
|
return vals
|
|
return None
|
|
|
|
def get_sta(self, addr, info=None, next=False):
|
|
cmd = "STA-NEXT " if next else "STA "
|
|
if addr is None:
|
|
res = self.request("STA-FIRST")
|
|
elif info:
|
|
res = self.request(cmd + addr + " " + info)
|
|
else:
|
|
res = self.request(cmd + addr)
|
|
lines = res.splitlines()
|
|
vals = dict()
|
|
first = True
|
|
for l in lines:
|
|
if first:
|
|
vals['addr'] = l
|
|
first = False
|
|
else:
|
|
[name,value] = l.split('=', 1)
|
|
vals[name] = value
|
|
return vals
|
|
|
|
def mgmt_rx(self, timeout=5):
|
|
ev = self.wait_event(["MGMT-RX"], timeout=timeout)
|
|
if ev is None:
|
|
return None
|
|
msg = {}
|
|
items = ev.split(' ')
|
|
field,val = items[1].split('=')
|
|
if field != "freq":
|
|
raise Exception("Unexpected MGMT-RX event format: " + ev)
|
|
msg['freq'] = val
|
|
frame = binascii.unhexlify(items[4])
|
|
msg['frame'] = frame
|
|
|
|
hdr = struct.unpack('<HH6B6B6BH', frame[0:24])
|
|
msg['fc'] = hdr[0]
|
|
msg['subtype'] = (hdr[0] >> 4) & 0xf
|
|
hdr = hdr[1:]
|
|
msg['duration'] = hdr[0]
|
|
hdr = hdr[1:]
|
|
msg['da'] = "%02x:%02x:%02x:%02x:%02x:%02x" % hdr[0:6]
|
|
hdr = hdr[6:]
|
|
msg['sa'] = "%02x:%02x:%02x:%02x:%02x:%02x" % hdr[0:6]
|
|
hdr = hdr[6:]
|
|
msg['bssid'] = "%02x:%02x:%02x:%02x:%02x:%02x" % hdr[0:6]
|
|
hdr = hdr[6:]
|
|
msg['seq_ctrl'] = hdr[0]
|
|
msg['payload'] = frame[24:]
|
|
|
|
return msg
|