aboutsummaryrefslogtreecommitdiffstats
path: root/wpa_supplicant/examples/wps-nfc.py
diff options
context:
space:
mode:
Diffstat (limited to 'wpa_supplicant/examples/wps-nfc.py')
-rwxr-xr-xwpa_supplicant/examples/wps-nfc.py86
1 files changed, 82 insertions, 4 deletions
diff --git a/wpa_supplicant/examples/wps-nfc.py b/wpa_supplicant/examples/wps-nfc.py
index 725886f..2d54cd2 100755
--- a/wpa_supplicant/examples/wps-nfc.py
+++ b/wpa_supplicant/examples/wps-nfc.py
@@ -82,15 +82,86 @@ def wpas_get_handover_req():
return wpas.request("NFC_GET_HANDOVER_REQ NDEF WPS-CR").rstrip().decode("hex")
-def wpas_report_handover(req, sel):
+def wpas_get_handover_sel(uuid):
wpas = wpas_connect()
if (wpas == None):
return None
- return wpas.request("NFC_REPORT_HANDOVER INIT WPS " +
+ return wpas.request("NFC_GET_HANDOVER_SEL NDEF WPS-CR " + uuid).rstrip().decode("hex")
+
+
+def wpas_report_handover(req, sel, type):
+ wpas = wpas_connect()
+ if (wpas == None):
+ return None
+ return wpas.request("NFC_REPORT_HANDOVER " + type + " WPS " +
str(req).encode("hex") + " " +
str(sel).encode("hex"))
+class HandoverServer(nfc.handover.HandoverServer):
+ def __init__(self):
+ super(HandoverServer, self).__init__()
+
+ def process_request(self, request):
+ print "HandoverServer - request received"
+ print "Parsed handover request: " + request.pretty()
+
+ sel = nfc.ndef.HandoverSelectMessage(version="1.2")
+
+ for carrier in request.carriers:
+ print "Remote carrier type: " + carrier.type
+ if carrier.type == "application/vnd.wfa.wsc":
+ print "WPS carrier type match - add WPS carrier record"
+ self.received_carrier = carrier.record
+ data = wpas_get_handover_sel(self.uuid)
+ if data is None:
+ print "Could not get handover select carrier record from wpa_supplicant"
+ continue
+ print "Handover select carrier record from wpa_supplicant:"
+ print data.encode("hex")
+ self.sent_carrier = data
+
+ message = nfc.ndef.Message(data);
+ sel.add_carrier(message[0], "active", message[1:])
+
+ print "Handover select:"
+ print sel.pretty()
+ print str(sel).encode("hex")
+
+ print "Sending handover select"
+ return sel
+
+
+def wps_handover_resp(peer, uuid):
+ print "Trying to handle WPS handover with AP " + uuid
+
+ srv = HandoverServer()
+ srv.sent_carrier = None
+ srv.uuid = uuid
+
+ nfc.llcp.activate(peer);
+
+ try:
+ print "Trying handover";
+ srv.start()
+ print "Wait for disconnect"
+ while nfc.llcp.connected():
+ time.sleep(0.1)
+ print "Disconnected after handover"
+ except nfc.llcp.ConnectRefused:
+ print "Handover connection refused"
+ nfc.llcp.shutdown()
+ return
+
+ if srv.sent_carrier:
+ wpas_report_handover(srv.received_carrier, srv.sent_carrier, "RESP")
+
+ print "Remove peer"
+ nfc.llcp.shutdown()
+ print "Done with handover"
+ time.sleep(1)
+
+
def wps_handover_init(peer):
print "Trying to initiate WPS handover"
@@ -154,7 +225,7 @@ def wps_handover_init(peer):
print "Remote carrier type: " + carrier.type
if carrier.type == "application/vnd.wfa.wsc":
print "WPS carrier type match - send to wpa_supplicant"
- wpas_report_handover(data, carrier.record)
+ wpas_report_handover(data, carrier.record, "INIT")
wifi = nfc.ndef.WifiConfigRecord(carrier.record)
print wifi.pretty()
@@ -281,6 +352,10 @@ def main():
clf = nfc.ContactlessFrontend()
try:
+ arg_uuid = None
+ if len(sys.argv) > 1:
+ arg_uuid = sys.argv[1]
+
if len(sys.argv) > 1 and sys.argv[1] == "write-config":
wps_write_config_tag(clf)
raise SystemExit
@@ -298,7 +373,10 @@ def main():
tag = find_peer(clf)
if isinstance(tag, nfc.DEP):
- wps_handover_init(tag)
+ if arg_uuid is None:
+ wps_handover_init(tag)
+ else:
+ wps_handover_resp(tag, arg_uuid)
continue
if tag.ndef: