1#!/usr/bin/python 2 3import dbus 4import sys, os 5import time 6import gobject 7from dbus.mainloop.glib import DBusGMainLoop 8 9WPAS_DBUS_SERVICE = "fi.w1.wpa_supplicant1" 10WPAS_DBUS_INTERFACE = "fi.w1.wpa_supplicant1" 11WPAS_DBUS_OPATH = "/fi/w1/wpa_supplicant1" 12 13WPAS_DBUS_INTERFACES_INTERFACE = "fi.w1.wpa_supplicant1.Interface" 14WPAS_DBUS_INTERFACES_OPATH = "/fi/w1/wpa_supplicant1/Interfaces" 15WPAS_DBUS_BSS_INTERFACE = "fi.w1.wpa_supplicant1.BSS" 16 17def byte_array_to_string(s): 18 import urllib 19 r = "" 20 for c in s: 21 if c >= 32 and c < 127: 22 r += "%c" % c 23 else: 24 r += urllib.quote(chr(c)) 25 return r 26 27def list_interfaces(wpas_obj): 28 ifaces = wpas_obj.Get(WPAS_DBUS_INTERFACE, 'Interfaces', 29 dbus_interface=dbus.PROPERTIES_IFACE) 30 for path in ifaces: 31 if_obj = bus.get_object(WPAS_DBUS_SERVICE, path) 32 ifname = if_obj.Get(WPAS_DBUS_INTERFACES_INTERFACE, 'Ifname', 33 dbus_interface=dbus.PROPERTIES_IFACE) 34 print ifname 35 36def propertiesChanged(properties): 37 if properties.has_key("State"): 38 print "PropertiesChanged: State: %s" % (properties["State"]) 39 40def showBss(bss): 41 net_obj = bus.get_object(WPAS_DBUS_SERVICE, bss) 42 net = dbus.Interface(net_obj, WPAS_DBUS_BSS_INTERFACE) 43 44 # Convert the byte-array for SSID and BSSID to printable strings 45 val = net_obj.Get(WPAS_DBUS_BSS_INTERFACE, 'BSSID', 46 dbus_interface=dbus.PROPERTIES_IFACE) 47 bssid = "" 48 for item in val: 49 bssid = bssid + ":%02x" % item 50 bssid = bssid[1:] 51 val = net_obj.Get(WPAS_DBUS_BSS_INTERFACE, 'SSID', 52 dbus_interface=dbus.PROPERTIES_IFACE) 53 ssid = byte_array_to_string(val) 54 55 val = net_obj.Get(WPAS_DBUS_BSS_INTERFACE, 'WPA', 56 dbus_interface=dbus.PROPERTIES_IFACE) 57 wpa = "no" 58 if len(val["KeyMgmt"]) > 0: 59 wpa = "yes" 60 val = net_obj.Get(WPAS_DBUS_BSS_INTERFACE, 'RSN', 61 dbus_interface=dbus.PROPERTIES_IFACE) 62 wpa2 = "no" 63 if len(val["KeyMgmt"]) > 0: 64 wpa2 = "yes" 65 freq = net_obj.Get(WPAS_DBUS_BSS_INTERFACE, 'Frequency', 66 dbus_interface=dbus.PROPERTIES_IFACE) 67 signal = net_obj.Get(WPAS_DBUS_BSS_INTERFACE, 'Signal', 68 dbus_interface=dbus.PROPERTIES_IFACE) 69 val = net_obj.Get(WPAS_DBUS_BSS_INTERFACE, 'Rates', 70 dbus_interface=dbus.PROPERTIES_IFACE) 71 if len(val) > 0: 72 maxrate = val[0] / 1000000 73 else: 74 maxrate = 0 75 76 print " %s :: ssid='%s' wpa=%s wpa2=%s signal=%d rate=%d freq=%d" % (bssid, ssid, wpa, wpa2, signal, maxrate, freq) 77 78def scanDone(success): 79 print "Scan done: success=%s" % success 80 81 res = if_obj.Get(WPAS_DBUS_INTERFACES_INTERFACE, 'BSSs', 82 dbus_interface=dbus.PROPERTIES_IFACE) 83 84 print "Scanned wireless networks:" 85 for opath in res: 86 print opath 87 showBss(opath) 88 89def bssAdded(bss, properties): 90 print "BSS added: %s" % (bss) 91 showBss(bss) 92 93def bssRemoved(bss): 94 print "BSS removed: %s" % (bss) 95 96def main(): 97 dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) 98 global bus 99 bus = dbus.SystemBus() 100 wpas_obj = bus.get_object(WPAS_DBUS_SERVICE, WPAS_DBUS_OPATH) 101 102 if len(sys.argv) != 2: 103 list_interfaces(wpas_obj) 104 os._exit(1) 105 106 wpas = dbus.Interface(wpas_obj, WPAS_DBUS_INTERFACE) 107 bus.add_signal_receiver(scanDone, 108 dbus_interface=WPAS_DBUS_INTERFACES_INTERFACE, 109 signal_name="ScanDone") 110 bus.add_signal_receiver(bssAdded, 111 dbus_interface=WPAS_DBUS_INTERFACES_INTERFACE, 112 signal_name="BSSAdded") 113 bus.add_signal_receiver(bssRemoved, 114 dbus_interface=WPAS_DBUS_INTERFACES_INTERFACE, 115 signal_name="BSSRemoved") 116 bus.add_signal_receiver(propertiesChanged, 117 dbus_interface=WPAS_DBUS_INTERFACES_INTERFACE, 118 signal_name="PropertiesChanged") 119 120 ifname = sys.argv[1] 121 122 # See if wpa_supplicant already knows about this interface 123 path = None 124 try: 125 path = wpas.GetInterface(ifname) 126 except dbus.DBusException, exc: 127 if not str(exc).startswith("fi.w1.wpa_supplicant1.InterfaceUnknown:"): 128 raise exc 129 try: 130 path = wpas.CreateInterface({'Ifname': ifname, 'Driver': 'test'}) 131 time.sleep(1) 132 133 except dbus.DBusException, exc: 134 if not str(exc).startswith("fi.w1.wpa_supplicant1.InterfaceExists:"): 135 raise exc 136 137 global if_obj 138 if_obj = bus.get_object(WPAS_DBUS_SERVICE, path) 139 global iface 140 iface = dbus.Interface(if_obj, WPAS_DBUS_INTERFACES_INTERFACE) 141 iface.Scan({'Type': 'active'}) 142 143 gobject.MainLoop().run() 144 145 wpas.RemoveInterface(dbus.ObjectPath(path)) 146 147if __name__ == "__main__": 148 main() 149 150