srv = None
continue_loop = True
terminate_now = False
+summary_file = None
+success_file = None
+
+def summary(txt):
+ print txt
+ if summary_file:
+ with open(summary_file, 'a') as f:
+ f.write(txt + "\n")
+
+def success_report(txt):
+ summary(txt)
+ if success_file:
+ with open(success_file, 'a') as f:
+ f.write(txt + "\n")
def wpas_connect():
ifaces = []
def wpas_tag_read(message):
wpas = wpas_connect()
if (wpas == None):
- return
+ return False
cmd = "WPS_NFC_TAG_READ " + str(message).encode("hex")
global force_freq
if force_freq:
if include_p2p_req:
data = wpas_get_handover_req()
if (data == None):
- print "Could not get handover request carrier record from wpa_supplicant"
+ summary("Could not get handover request carrier record from wpa_supplicant")
return
print "Handover request carrier record from wpa_supplicant: " + data.encode("hex")
datamsg = nfc.ndef.Message(data)
client = nfc.handover.HandoverClient(llc)
try:
- print "Trying handover";
+ summary("Trying to initiate NFC connection handover")
client.connect()
- print "Connected for handover"
+ summary("Connected for handover")
except nfc.llcp.ConnectRefused:
- print "Handover connection refused"
+ summary("Handover connection refused")
client.close()
return
except Exception, e:
- print "Other exception: " + str(e)
+ summary("Other exception: " + str(e))
client.close()
return
- print "Sending handover request"
+ summary("Sending handover request")
if not client.send(message):
- print "Failed to send handover request"
+ summary("Failed to send handover request")
+ client.close()
+ return
- print "Receiving handover response"
+ summary("Receiving handover response")
message = client._recv()
if message is None:
- print "No response received"
+ summary("No response received")
client.close()
return
if message.type != "urn:nfc:wkt:Hs":
- print "Response was not Hs - received: " + message.type
+ summary("Response was not Hs - received: " + message.type)
client.close()
return
print e
print str(message).encode("hex")
message = nfc.ndef.HandoverSelectMessage(message)
- print "Handover select received"
+ summary("Handover select received")
try:
print message.pretty()
except Exception, e:
print "Remote carrier type: " + carrier.type
if carrier.type == "application/vnd.wfa.p2p":
print "P2P carrier type match - send to wpa_supplicant"
- wpas_report_handover(data, carrier.record, "INIT")
+ if "OK" in wpas_report_handover(data, carrier.record, "INIT"):
+ success_report("P2P handover reported successfully (initiator)")
+ else:
+ summary("P2P handover report rejected")
break
print "Remove peer"
self.ho_server_processing = False
self.success = False
+ # override to avoid parser error in request/response.pretty() in nfcpy
+ # due to new WSC handover format
+ def _process_request(self, request):
+ summary("received handover request {}".format(request.type))
+ response = nfc.ndef.Message("\xd1\x02\x01Hs\x12")
+ if not request.type == 'urn:nfc:wkt:Hr':
+ summary("not a handover request")
+ else:
+ try:
+ request = nfc.ndef.HandoverRequestMessage(request)
+ except nfc.ndef.DecodeError as e:
+ summary("error decoding 'Hr' message: {}".format(e))
+ else:
+ response = self.process_request(request)
+ summary("send handover response {}".format(response.type))
+ return response
+
def process_request(self, request):
self.ho_server_processing = True
clear_raw_mode()
print "Handover select carrier record from wpa_supplicant:"
print data.encode("hex")
self.sent_carrier = data
- wpas_report_handover(self.received_carrier, self.sent_carrier,
- "RESP")
+ if "OK" in wpas_report_handover(self.received_carrier, self.sent_carrier, "RESP"):
+ success_report("P2P handover reported successfully (responder)")
+ else:
+ summary("P2P handover report rejected")
+ break
message = nfc.ndef.Message(data);
sel.add_carrier(message[0], "active", message[1:])
print "Handover select carrier record from wpa_supplicant:"
print data.encode("hex")
self.sent_carrier = data
- wpas_report_handover_wsc(self.received_carrier,
- self.sent_carrier, "RESP")
+ if "OK" in wpas_report_handover_wsc(self.received_carrier, self.sent_carrier, "RESP"):
+ success_report("WSC handover reported successfully")
+ else:
+ summary("WSC handover report rejected")
+ break
message = nfc.ndef.Message(data);
sel.add_carrier(message[0], "active", message[1:])
print e
print str(sel).encode("hex")
- print "Sending handover select"
+ summary("Sending handover select")
self.success = True
return sel
for record in tag.ndef.message:
print "record type " + record.type
if record.type == "application/vnd.wfa.wsc":
- print "WPS tag - send to wpa_supplicant"
+ summary("WPS tag - send to wpa_supplicant")
success = wpas_tag_read(tag.ndef.message)
break
if record.type == "application/vnd.wfa.p2p":
- print "P2P tag - send to wpa_supplicant"
+ summary("P2P tag - send to wpa_supplicant")
success = wpas_tag_read(tag.ndef.message)
break
else:
- print "Empty tag"
+ summary("Empty tag")
+
+ if success:
+ success_report("Tag read succeeded")
return success
def rdwr_connected_p2p_write(tag):
- print "Tag found - writing"
+ summary("Tag found - writing - " + str(tag))
global p2p_sel_data
tag.ndef.message = str(p2p_sel_data)
+ success_report("Tag write succeeded")
print "Done - remove tag"
global only_one
if only_one:
print "Write P2P handover select"
data = wpas_get_handover_sel(tag=True)
if (data == None):
- print "Could not get P2P handover select from wpa_supplicant"
+ summary("Could not get P2P handover select from wpa_supplicant")
return
global p2p_sel_wait_remove
def rdwr_connected(tag):
global only_one, no_wait
- print "Tag connected: " + str(tag)
+ summary("Tag connected: " + str(tag))
if tag.ndef:
print "NDEF tag: " + tag.type
global continue_loop
continue_loop = False
else:
- print "Not an NDEF tag - remove tag"
+ summary("Not an NDEF tag - remove tag")
+ return True
return not no_wait
help='connection handover only (do not allow tag read)')
parser.add_argument('--freq', '-f',
help='forced frequency of operating channel in MHz')
+ parser.add_argument('--summary',
+ help='summary file for writing status updates')
+ parser.add_argument('--success',
+ help='success file for writing success update')
parser.add_argument('command', choices=['write-p2p-sel'],
nargs='?')
args = parser.parse_args()
global include_wps_req
include_wps_req = False
+ if args.summary:
+ global summary_file
+ summary_file = args.summary
+
+ if args.success:
+ global success_file
+ success_file = args.success
+
if args.no_input:
global no_input
no_input = True