dab710c4d0
This makes it cleaner to add processing of other NFC operations to the python script. Signed-hostap: Jouni Malinen <j@w1.fi>
99 lines
2.3 KiB
Python
Executable file
99 lines
2.3 KiB
Python
Executable file
#!/usr/bin/python
|
|
#
|
|
# Example nfcpy to wpa_supplicant wrapper for WPS NFC operations
|
|
# Copyright (c) 2012, Jouni Malinen <j@w1.fi>
|
|
#
|
|
# This software may be distributed under the terms of the BSD license.
|
|
# See README for more details.
|
|
|
|
import os
|
|
import sys
|
|
import time
|
|
|
|
import nfc
|
|
import nfc.ndef
|
|
|
|
import wpactrl
|
|
|
|
wpas_ctrl = '/var/run/wpa_supplicant'
|
|
|
|
def wpas_connect():
|
|
ifaces = []
|
|
if os.path.isdir(wpas_ctrl):
|
|
try:
|
|
ifaces = [os.path.join(wpas_ctrl, i) for i in os.listdir(wpas_ctrl)]
|
|
except OSError, error:
|
|
print "Could not find wpa_supplicant: ", error
|
|
return None
|
|
|
|
if len(ifaces) < 1:
|
|
print "No wpa_supplicant control interface found"
|
|
return None
|
|
|
|
for ctrl in ifaces:
|
|
try:
|
|
wpas = wpactrl.WPACtrl(ctrl)
|
|
return wpas
|
|
except wpactrl.error, error:
|
|
print "Error: ", error
|
|
pass
|
|
return None
|
|
|
|
|
|
def wpas_tag_read(message):
|
|
wpas = wpas_connect()
|
|
if (wpas == None):
|
|
return
|
|
print wpas.request("WPS_NFC_TAG_READ " + message.encode("hex"))
|
|
|
|
|
|
def wps_tag_read(tag):
|
|
if len(tag.ndef.message):
|
|
message = nfc.ndef.Message(tag.ndef.message)
|
|
print "message type " + message.type
|
|
|
|
for record in message:
|
|
print "record type " + record.type
|
|
if record.type == "application/vnd.wfa.wsc":
|
|
print "WPS tag - send to wpa_supplicant"
|
|
wpas_tag_read(tag.ndef.message)
|
|
break
|
|
else:
|
|
print "Empty tag"
|
|
|
|
print "Remove tag"
|
|
while tag.is_present:
|
|
time.sleep(0.1)
|
|
|
|
|
|
def main():
|
|
clf = nfc.ContactlessFrontend()
|
|
|
|
try:
|
|
while True:
|
|
print "Waiting for a tag to be touched"
|
|
|
|
while True:
|
|
tag = clf.poll()
|
|
if tag == None:
|
|
continue
|
|
|
|
if tag.ndef:
|
|
wps_tag_read(tag)
|
|
break
|
|
|
|
if tag:
|
|
print "Not an NDEF tag - remove tag"
|
|
while tag.is_present:
|
|
time.sleep(0.1)
|
|
break
|
|
|
|
except KeyboardInterrupt:
|
|
raise SystemExit
|
|
finally:
|
|
clf.close()
|
|
|
|
raise SystemExit
|
|
|
|
if __name__ == '__main__':
|
|
main()
|