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#!/usr/bin/python
# Tests p2p_group_add
######### MAY NEED TO RUN AS SUDO #############
import dbus
import sys, os
import time
import gobject
import getopt
import threading
from dbus.mainloop.glib import DBusGMainLoop
def usage():
print "Usage:"
print " %s -i <interface_name> [-p <persistent>] \ " \
% sys.argv[0]
print " [-f <frequency>] [-o <group_object_path>] \ "
print " [-w <wpas_dbus_interface>]"
print "Options:"
print " -i = interface name"
print " -p = persistant group = 0 (0=false, 1=true)"
print " -f = frequency"
print " -o = persistent group object path"
print " -w = wpas dbus interface = fi.w1.wpa_supplicant1"
print "Example:"
print " %s -i wlan0" % sys.argv[0]
# Required Signals
def GroupStarted(properties):
if properties.has_key("group_object"):
print 'Group Formation Complete %s' \
% properties["group_object"]
os._exit(0)
def WpsFailure(status, etc):
print "WPS Authentication Failure".format(status)
print etc
os._exit(0)
class P2P_Group_Add (threading.Thread):
# Needed Variables
global bus
global wpas_object
global interface_object
global p2p_interface
global interface_name
global wpas
global wpas_dbus_interface
global path
global persistent
global frequency
global persistent_group_object
# Dbus Paths
global wpas_dbus_opath
global wpas_dbus_interfaces_opath
global wpas_dbus_interfaces_interface
global wpas_dbus_interfaces_p2pdevice
# Arguements
global P2PDictionary
# Constructor
def __init__(self,interface_name,wpas_dbus_interface,persistent,frequency,
persistent_group_object):
# Initializes variables and threads
self.interface_name = interface_name
self.wpas_dbus_interface = wpas_dbus_interface
self.persistent = persistent
self.frequency = frequency
self.persistent_group_object = persistent_group_object
# Initializes thread and daemon allows for ctrl-c kill
threading.Thread.__init__(self)
self.daemon = True
# Generating interface/object paths
self.wpas_dbus_opath = "/" + \
self.wpas_dbus_interface.replace(".","/")
self.wpas_wpas_dbus_interfaces_opath = self.wpas_dbus_opath + \
"/Interfaces"
self.wpas_dbus_interfaces_interface = \
self.wpas_dbus_interface + ".Interface"
self.wpas_dbus_interfaces_p2pdevice = \
self.wpas_dbus_interfaces_interface \
+ ".P2PDevice"
# Getting interfaces and objects
DBusGMainLoop(set_as_default=True)
self.bus = dbus.SystemBus()
self.wpas_object = self.bus.get_object(
self.wpas_dbus_interface,
self.wpas_dbus_opath)
self.wpas = dbus.Interface(self.wpas_object,
self.wpas_dbus_interface)
# Try to see if supplicant knows about interface
# If not, throw an exception
try:
self.path = self.wpas.GetInterface(
self.interface_name)
except dbus.DBusException, exc:
error = 'Error:\n Interface ' + self.interface_name \
+ ' was not found'
print error
usage()
os._exit(0)
self.interface_object = self.bus.get_object(
self.wpas_dbus_interface, self.path)
self.p2p_interface = dbus.Interface(self.interface_object,
self.wpas_dbus_interfaces_p2pdevice)
#Adds listeners
self.bus.add_signal_receiver(GroupStarted,
dbus_interface=self.wpas_dbus_interfaces_p2pdevice,
signal_name="GroupStarted")
self.bus.add_signal_receiver(WpsFailure,
dbus_interface=self.wpas_dbus_interfaces_p2pdevice,
signal_name="WpsFailed")
# Sets up p2p_group_add dictionary
def constructArguements(self):
self.P2PDictionary = {'persistent':self.persistent}
if (self.frequency != None):
if (int(self.frequency) > 0):
self.P2PDictionary.update({'frequency':int(self.frequency)})
else:
print "Error:\n Frequency must be greater than 0"
usage()
os._exit(0)
if (self.persistent_group_object != None):
self.P2PDictionary.update({'persistent_group_object':
self.persistent_group_object})
# Run p2p_group_remove
def run(self):
try:
self.p2p_interface.GroupAdd(self.P2PDictionary)
except:
print "Error:\n Could not preform group add"
usage()
os._exit(0)
# Allows other threads to keep working while MainLoop runs
# Required for timeout implementation
gobject.MainLoop().get_context().iteration(True)
gobject.threads_init()
gobject.MainLoop().run()
if __name__ == "__main__":
# Defaults for optional inputs
# 0 = false, 1 = true
persistent = False
frequency = None
persistent_group_object = None
wpas_dbus_interface = 'fi.w1.wpa_supplicant1'
# interface_name is required
interface_name = None
# Using getopts to handle options
try:
options, args = getopt.getopt(sys.argv[1:],"hi:p:f:o:w:")
except getopt.GetoptError:
usage()
quit()
# If theres a switch, override default option
for key, value in options:
# Help
if (key == "-h"):
usage()
quit()
# Interface Name
elif (key == "-i"):
interface_name = value
# Timeout
elif (key == "-p"):
if (value == '0'):
persistent = False
elif (value == '1'):
persistent = True
else:
print "Error:\n Persistent can only be 1 or 0"
usage()
os._exit(0)
# Frequency
elif (key == "-f"):
frequency = value
# Persistent group object path
elif (key == "-o"):
persistent_group_object = value
# Dbus interface
elif (key == "-w"):
wpas_dbus_interface = value
else:
assert False, "unhandled option"
# Interface name is required and was not given
if (interface_name == None):
print "Error:\n interface_name is required"
usage()
quit()
try:
p2p_group_add_test = P2P_Group_Add(interface_name,wpas_dbus_interface,
persistent,frequency,persistent_group_object)
except:
print "Error:\n Invalid Arguements"
p2p_group_add_test.constructArguements()
p2p_group_add_test.start()
time.sleep(5)
print "Error:\n Group formation timed out"
os._exit(0)
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