841bed04de
Scan explicitly for the AP that may be started during the test case execution. This is needed to work around issues where under heavy CPU load, the single active scan round may miss the delayed Probe Response from the second AP. Signed-off-by: Jouni Malinen <j@w1.fi>
865 lines
31 KiB
Python
865 lines
31 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, config="", 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" + config + "\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(global): " + 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 global_ping(self):
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return "PONG" in self.global_request("PING")
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def reset(self):
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self.dump_monitor()
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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, auto_interworking=False):
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self.request("SET interworking 1")
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self.request("SET hs20 1")
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if auto_interworking:
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self.request("SET auto_interworking 1")
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else:
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self.request("SET auto_interworking 0")
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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 get_cred(self, id, field):
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return self.request("GET_CRED " + str(id) + " " + field)
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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, freq=None):
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if freq:
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extra = " freq=" + freq
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else:
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extra = ""
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id = self.request("SELECT_NETWORK " + str(id) + extra)
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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, extra=None):
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if extra:
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extra = "-" + extra
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else:
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extra = ""
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res = self.request("STATUS" + extra)
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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, extra=None):
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vals = self.get_status(extra)
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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, extra=None):
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if extra:
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extra = "-" + extra
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else:
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extra = ""
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res = self.group_request("STATUS" + extra)
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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, extra=None):
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vals = self.get_group_status(extra)
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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 get_mib(self):
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res = self.request("MIB")
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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 MIB line: " + l)
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return vals
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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, progressive=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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elif progressive:
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cmd = cmd + " type=progressive"
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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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self.pin = self.request("WPS_PIN get").rstrip("\n")
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if "FAIL" in self.pin:
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raise Exception("Could not generate PIN")
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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, persistent_id=None, freq=None, provdisc=False):
|
|
if not self.discover_peer(peer):
|
|
raise Exception("Peer " + peer + " not found")
|
|
self.dump_monitor()
|
|
if pin:
|
|
cmd = "P2P_CONNECT " + peer + " " + pin + " " + method
|
|
else:
|
|
cmd = "P2P_CONNECT " + peer + " " + method
|
|
if go_intent:
|
|
cmd = cmd + ' go_intent=' + str(go_intent)
|
|
if freq:
|
|
cmd = cmd + ' freq=' + str(freq)
|
|
if persistent:
|
|
cmd = cmd + " persistent"
|
|
elif persistent_id:
|
|
cmd = cmd + " persistent=" + persistent_id
|
|
if provdisc:
|
|
cmd = cmd + " provdisc"
|
|
if "OK" in self.global_request(cmd):
|
|
if timeout == 0:
|
|
self.dump_monitor()
|
|
return None
|
|
go_neg_res = None
|
|
ev = self.wait_global_event(["P2P-GO-NEG-SUCCESS",
|
|
"P2P-GO-NEG-FAILURE"], timeout)
|
|
if ev is None:
|
|
if expect_failure:
|
|
return None
|
|
raise Exception("Group formation timed out")
|
|
if "P2P-GO-NEG-SUCCESS" in ev:
|
|
go_neg_res = ev
|
|
ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout)
|
|
if ev is None:
|
|
if expect_failure:
|
|
return None
|
|
raise Exception("Group formation timed out")
|
|
self.dump_monitor()
|
|
return self.group_form_result(ev, expect_failure, go_neg_res)
|
|
raise Exception("P2P_CONNECT failed")
|
|
|
|
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",
|
|
"bgscan", "ht_mcs", "id_str" ]
|
|
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",
|
|
"wpa_ptk_rekey", "disable_ht", "disable_vht", "bssid",
|
|
"disable_max_amsdu", "ampdu_factor", "ampdu_density",
|
|
"disable_ht40", "disable_sgi", "disable_ldpc",
|
|
"ht40_intolerant" ]
|
|
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, only_new=False):
|
|
if type:
|
|
cmd = "SCAN TYPE=" + type
|
|
else:
|
|
cmd = "SCAN"
|
|
if freq:
|
|
cmd = cmd + " freq=" + freq
|
|
if only_new:
|
|
cmd += " only_new=1"
|
|
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 scan_for_bss(self, bssid, freq=None, force_scan=False):
|
|
if not force_scan and self.get_bss(bssid) is not None:
|
|
return
|
|
for i in range(0, 10):
|
|
self.scan(freq=freq)
|
|
if self.get_bss(bssid) is not None:
|
|
return
|
|
raise Exception("Could not find BSS " + bssid + " in scan")
|
|
|
|
def roam(self, bssid, fail_test=False):
|
|
self.dump_monitor()
|
|
self.request("ROAM " + bssid)
|
|
if fail_test:
|
|
ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected connection")
|
|
self.dump_monitor()
|
|
return
|
|
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, fail_test=False):
|
|
self.dump_monitor()
|
|
self.request("FT_DS " + bssid)
|
|
if fail_test:
|
|
ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected connection")
|
|
self.dump_monitor()
|
|
return
|
|
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)
|
|
if "FAIL" in res:
|
|
return None
|
|
lines = res.splitlines()
|
|
vals = dict()
|
|
for l in lines:
|
|
[name,value] = l.split('=', 1)
|
|
vals[name] = value
|
|
if len(vals) == 0:
|
|
return None
|
|
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
|