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authorJouni Malinen <j@w1.fi>2012-11-03 20:43:15 (GMT)
committerJouni Malinen <j@w1.fi>2012-11-03 20:43:15 (GMT)
commitd4f612b7ddae6863d09bdb70b188a3d75a7cddb4 (patch)
tree57ed822d774a8ba1417fe6fd6465e5744ad186f3 /wpa_supplicant/examples
parentcaff399250311abfea3376b38530a88bb78b957d (diff)
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WPS: Add an example python script for NFC operations
wps-nfc.py uses nfcpy and python-wpactrl to provide NFC tag information to wpa_supplicant for WPS operations. Signed-hostap: Jouni Malinen <j@w1.fi>
Diffstat (limited to 'wpa_supplicant/examples')
-rwxr-xr-xwpa_supplicant/examples/wps-nfc.py84
1 files changed, 84 insertions, 0 deletions
diff --git a/wpa_supplicant/examples/wps-nfc.py b/wpa_supplicant/examples/wps-nfc.py
new file mode 100755
index 0000000..753e9d1
--- /dev/null
+++ b/wpa_supplicant/examples/wps-nfc.py
@@ -0,0 +1,84 @@
+#!/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_tag_read(message):
+ 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
+
+ if len(ifaces) < 1:
+ print "No wpa_supplicant control interface found"
+ return
+
+ for ctrl in ifaces:
+ try:
+ wpas = wpactrl.WPACtrl(ctrl)
+ print wpas.request("WPS_NFC_TAG_READ " + message.encode("hex"))
+ except wpactrl.error, error:
+ print "Error: ", error
+ pass
+
+def main():
+ clf = nfc.ContactlessFrontend()
+
+ try:
+ while True:
+ print "Waiting for a tag to be touched"
+
+ while True:
+ tag = clf.poll()
+ if tag and tag.ndef:
+ break
+ if tag:
+ print "Not an NDEF tag"
+ while tag.is_present:
+ time.sleep(0.2)
+
+ 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(0.2)
+
+ print "Ok"
+
+ except KeyboardInterrupt:
+ raise SystemExit
+ finally:
+ clf.close()
+
+ raise SystemExit
+
+if __name__ == '__main__':
+ main()