Files

251 lines
8.4 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
import dbus
WPAS_DBUS_OPATH = "/fi/epitest/hostap/WPASupplicant"
WPAS_DBUS_INTERFACES_OPATH = "/fi/epitest/hostap/WPASupplicant/Interfaces"
WPAS_DBUS_SERVICE = "fi.epitest.hostap.WPASupplicant"
WPAS_DBUS_INTERFACE = "fi.epitest.hostap.WPASupplicant"
WPAS_DBUS_INTERFACES_INTERFACE = "fi.epitest.hostap.WPASupplicant.Interface"
WPAS_DBUS_NETWORK_INTERFACE = "fi.epitest.hostap.WPASupplicant.Network"
WPAS_DBUS_BSSID_INTERFACE = "fi.epitest.hostap.WPASupplicant.BSSID"
TIMEOUT = 60
class PasswordLengthError(Exception):
pass
class WPA_Supplicant_Network:
def __init__(self, bus, path):
self.bus = bus
self.path = path
self.net_obj = self.bus.get_object(WPAS_DBUS_SERVICE, path)
self.net = dbus.Interface(self.net_obj, WPAS_DBUS_NETWORK_INTERFACE)
# dict keys: ssid, bssid, key_mgmt, psk, scan_ssid, pairwise, group, eap, identity,
# anonymous_identity, ca_cert, ca_cert2, client_cert, client_cert2, private_key, private_key2,
# private_key_passwd, private_key2_passwd, phase1, phase2, eapol_flags
#
# Example: setNetwork({"ssid":dbus.String("MySSID", variant_level=1)),
# "psk":dbus.String("MyPassword", variant_level=1))})
def setNetwork(self, options):
self.net.set(options)
def enableNetwork(self):
self.net.enable()
def disableNetwork(self):
self.net.disable()
class WPA_Supplicant_Interface:
def __init__(self, bus, ifname, path):
self.bus = bus
self.ifname = ifname
self.path = path
self.if_obj = self.bus.get_object(WPAS_DBUS_SERVICE, path)
self.iface = dbus.Interface(self. if_obj, WPAS_DBUS_INTERFACES_INTERFACE)
def scan(self):
self.iface.scan()
def scanResults(self):
return self.iface.scanResults()
def addNetwork(self):
path = self.iface.addNetwork()
return self.getNetwork(path)
def removeNetwork(self, network):
self.iface.removeNetwork(network)
def selectNetwork(self, network):
self.iface.selectNetwork(network)
def getNetworkPath(self, network_id):
return "%s/Networks/%d" % (self.path, network_id)
def getNetworkById(self, network_id):
return WPA_Supplicant_Network(self.bus, self.getNetworkPath(network_id))
def getNetwork(self, network):
return WPA_Supplicant_Network(self.bus, network)
# mode should be between 0 and 2
def setAPScan(self, mode):
self.iface.setAPScan(dbus.UInt32(mode))
def disconnect(self):
self.iface.disconnect()
def getState(self):
return self.iface.state()
def getCapabilities(self):
return self.iface.capabilities()
class WPA_Supplicant:
def __init__(self):
self.bus = dbus.SystemBus()
self.wpas_obj = self.bus.get_object(WPAS_DBUS_SERVICE, WPAS_DBUS_OPATH)
self.wpas = dbus.Interface(self.wpas_obj, WPAS_DBUS_INTERFACE)
def getInterface(self, ifname):
path = self.wpas.getInterface(ifname)
return WPA_Supplicant_Interface(self.bus, ifname, path)
# driver=wext, hostap, prism54, madwifi, atmel, ndiswrapper, ipw, wired
def addInterface(self, ifname, driver):
self.wpas.addInterface(ifname, {'driver': dbus.String(driver, variant_level=1)})
return self.getInterface(ifname)
def removeInterface(self, ifname):
try:
iface_path = self.wpas.getInterface(ifname)
except dbus.DBusException:
iface_path = None
if iface_path:
self.wpas.removeInterface(dbus.ObjectPath(iface_path))
def detectWpaDriver(ifname):
import os
import sys
import pardus.netutils
# if device is an ethernet device, driver is "wired"
device = pardus.netutils.IF(ifname)
if (device.isEthernet()) and (not device.isWireless()):
return "wired"
path = os.path.join("/sys/class/net/", ifname, "device/driver/module")
modname = None
if os.path.exists(path):
modname = os.readlink(path).split("/")[-1]
if "hostap" in modname:
return "hostap"
if "prism54" in modname:
return "prism54"
if "atmel" in modname:
return "atmel"
# we fallback to wext
# wext is the generic driver for ipw2100, ipw2200, ndiswrapper > 1.12, madwifi etc...
return "wext"
def getWpaInterface(ifname):
wpa = WPA_Supplicant()
try:
iface = wpa.getInterface(ifname)
except dbus.DBusException:
driver = detectWpaDriver(ifname)
iface = wpa.addInterface(ifname, driver)
return iface
def waitForAuthenticationComplete(iface, timeout, wait = 0.1):
import time
while timeout > 0:
if iface.getState() == "COMPLETED":
return True
else:
timeout -= wait
time.sleep(wait)
return False
def checkServiceState(serviceName):
bus = dbus.SystemBus()
obj = bus.get_object("tr.org.pardus.comar", "/package/%s" % serviceName)
state = obj.info(dbus_interface="tr.org.pardus.comar.System.Service")[2]
return state in ("on", "started")
def isDBusServiceActive():
return True
def isWpaServiceActive():
return checkServiceState("wpa_supplicant")
def isWpaServiceUsable():
return isDBusServiceActive() and isWpaServiceActive()
def startWpaService():
if not isWpaServiceActive():
bus = dbus.SystemBus()
obj = bus.get_object("tr.org.pardus.comar", "/package/wpa_supplicant")
obj.start(dbus_interface="tr.org.pardus.comar.System.Service")
import time
timeout = 10
while timeout > 0:
try:
bus = dbus.SystemBus()
net_obj = bus.get_object(WPAS_DBUS_SERVICE, WPAS_DBUS_OPATH)
net = dbus.Interface(net_obj, WPAS_DBUS_NETWORK_INTERFACE)
except dbus.DBusException:
time.sleep(0.1)
timeout -= 0.2
continue
return True
return False
def setWpaAuthentication(ifname, ssid, password, timeout = TIMEOUT):
password_length = len(password)
if (password_length < 8) or (password_length > 63):
raise PasswordLengthError("Password length should be between 8 and 63")
iface = getWpaInterface(ifname)
network = iface.addNetwork()
network.setNetwork({"ssid": dbus.String(ssid, variant_level=1), "psk": dbus.String(password, variant_level=1)})
iface.selectNetwork(network.path)
authentication = waitForAuthenticationComplete(iface, timeout)
if not authentication:
disableAuthentication(ifname)
return authentication
def disableAuthentication(ifname):
wpa = WPA_Supplicant()
wpa.removeInterface(ifname)
bus = dbus.SystemBus()
obj = bus.get_object("tr.org.pardus.comar", "/package/wpa_supplicant")
obj.stop(dbus_interface="tr.org.pardus.comar.System.Service")
class Wpa_EAP:
ssid = ""
phase1 = ""
phase2 = ""
key_mgmt = "IEEE8021X"
eap = "PEAP"
anonymous_identity = ""
ca_cert = ""
client_cert = ""
private_key = ""
private_key_passwd = ""
def __init__(self, ifname):
self.ifname = ifname
self.iface = getWpaInterface(ifname)
self.network = self.iface.addNetwork()
def authenticate(self, username, password, timeout = TIMEOUT):
basic = {"ssid": dbus.String(self.ssid, variant_level=1),
"key_mgmt": dbus.String(self.key_mgmt, variant_level=1),
"eap": dbus.String(self.eap, variant_level=1),
"identity": dbus.String(username, variant_level=1)}
if self.client_cert:
basic["client_cert"] = dbus.String(self.client_cert, variant_level=1)
if self.ca_cert:
basic["ca_cert"] = dbus.String(self.ca_cert, variant_level=1)
if self.private_key:
basic["private_key"] = dbus.String(self.private_key, variant_level=1)
if self.private_key_passwd:
basic["private_key_passwd"] = dbus.String(self.private_key_passwd, variant_level=1)
if self.phase2:
basic["phase2"] = dbus.String("auth=%s"%self.phase2, variant_level=1)
if password:
basic["password"] = dbus.String(password, variant_level=1)
if self.anonymous_identity:
basic["anonymous_identity"] = dbus.String(self.anonymous_identity, variant_level=1)
self.network.setNetwork(basic)
self.iface.selectNetwork(self.network.path)
authentication = waitForAuthenticationComplete(self.iface, timeout)
if not authentication:
disableAuthentication(self.ifname)
return authentication