55fc1ce024
This has example code for fetching and interface object and optionally creating a new interface is one is not found. After that, a scan is requested and the script continues to listed for signals from wpa_supplicant and print information about scan results and state changes.
121 lines
3.2 KiB
Python
Executable file
121 lines
3.2 KiB
Python
Executable file
#!/usr/bin/python
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import dbus
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import sys, os
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import time
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import gobject
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from dbus.mainloop.glib import DBusGMainLoop
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WPAS_DBUS_SERVICE = "fi.w1.wpa_supplicant1"
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WPAS_DBUS_INTERFACE = "fi.w1.wpa_supplicant1"
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WPAS_DBUS_OPATH = "/fi/w1/wpa_supplicant1"
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WPAS_DBUS_INTERFACES_INTERFACE = "fi.w1.wpa_supplicant1.Interface"
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WPAS_DBUS_INTERFACES_OPATH = "/fi/w1/wpa_supplicant1/Interfaces"
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WPAS_DBUS_BSS_INTERFACE = "fi.w1.wpa_supplicant1.Interface.BSS"
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def byte_array_to_string(s):
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import urllib
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r = ""
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for c in s:
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if c >= 32 and c < 127:
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r += "%c" % c
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else:
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r += urllib.quote(chr(c))
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return r
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def list_interfaces(wpas_obj):
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ifaces = wpas_obj.Interfaces
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for i in ifaces:
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print "%s" (i)
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def stateChanged(newState, oldState):
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print "StateChanged(%s -> %s)" % (oldState, newState)
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def scanDone(success):
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gobject.MainLoop().quit()
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print "Scan done: success=%s" % success
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res = if_obj.Get(WPAS_DBUS_INTERFACES_INTERFACE, 'BSSs',
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dbus_interface=dbus.PROPERTIES_IFACE)
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print "Scanned wireless networks:"
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for opath in res:
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print opath
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net_obj = bus.get_object(WPAS_DBUS_SERVICE, opath)
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net = dbus.Interface(net_obj, WPAS_DBUS_BSS_INTERFACE)
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props = net_obj.Get(WPAS_DBUS_BSS_INTERFACE, 'Properties',
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dbus_interface=dbus.PROPERTIES_IFACE)
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#print props
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# Convert the byte-array for SSID and BSSID to printable strings
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bssid = ""
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for item in props['BSSID']:
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bssid = bssid + ":%02x" % item
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bssid = bssid[1:]
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ssid = byte_array_to_string(props["SSID"])
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wpa = "no"
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if props.has_key("WPAIE"):
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wpa = "yes"
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wpa2 = "no"
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if props.has_key("RSNIE"):
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wpa2 = "yes"
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freq = 0
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if props.has_key("Frequency"):
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freq = props["Frequency"]
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caps = props["Capabilities"]
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qual = props["Quality"]
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level = props["Level"]
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noise = props["Noise"]
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maxrate = props["MaxRate"] / 1000000
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print " %s :: ssid='%s' wpa=%s wpa2=%s quality=%d%% rate=%d freq=%d" % (bssid, ssid, wpa, wpa2, qual, maxrate, freq)
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def main():
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dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
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global bus
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bus = dbus.SystemBus()
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wpas_obj = bus.get_object(WPAS_DBUS_SERVICE, WPAS_DBUS_OPATH)
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wpas = dbus.Interface(wpas_obj, WPAS_DBUS_INTERFACE)
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bus.add_signal_receiver(scanDone,
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dbus_interface=WPAS_DBUS_INTERFACES_INTERFACE,
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signal_name="ScanDone")
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bus.add_signal_receiver(stateChanged,
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dbus_interface=WPAS_DBUS_INTERFACES_INTERFACE,
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signal_name="StateChanged")
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if len(sys.argv) != 2:
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list_interfaces(wpas_obj)
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os._exit(1)
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ifname = sys.argv[1]
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# See if wpa_supplicant already knows about this interface
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path = None
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try:
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path = wpas.GetInterface(ifname)
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except dbus.DBusException, exc:
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if not str(exc).startswith("fi.w1.wpa_supplicant1.InterfaceUnknown:"):
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raise exc
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try:
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path = wpas.CreateInterface({'Ifname': ifname, 'Driver': 'test'})
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time.sleep(1)
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except dbus.DBusException, exc:
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if not str(exc).startswith("fi.w1.wpa_supplicant1.InterfaceExists:"):
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raise exc
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global if_obj
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if_obj = bus.get_object(WPAS_DBUS_SERVICE, path)
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global iface
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iface = dbus.Interface(if_obj, WPAS_DBUS_INTERFACES_INTERFACE)
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iface.Scan({'Type': 'active'})
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gobject.MainLoop().run()
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wpas.RemoveInterface(dbus.ObjectPath(path))
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if __name__ == "__main__":
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main()
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