Cumulative patch from commit 2e988392436227c51002b573ee27a8cee37f70e9
2e98839 P2P: Disable DNS server from dnsmasq
c07f261 P2P NFC: Add script for connection handover with nfcpy
12288d8 WPS NFC: Protect nfcpy pretty print calls against exceptions
c209dd1 WPS NFC: nfcpy script to use new connection handover design
6202500 WPS NFC: Logging level configuration to wps-nfc.py and wps-ap-nfc.py
1f1b5b3 WPS NFC: Clean up nfcpy script no-wait operations
79ede5a WPS NFC: Validate ctrl_iface response before decoding it
ab1db08 WPS NFC: Use argparse in the nfcpy scripts
6f8fa6e WPS NFC: Update wps-nfc.py and wps-ap-nfc.py to use new nfcpy API
b56f6c8 P2P NFC: Add support for freq option in NFC ctrl_iface commands
91a6501 WPS NFC: Use BSSID and AP Channel from handover select
91226e0 WPS: Add testing option to corrupt public key hash
7312776 WPS NFC: add more debug prints for connection handover report
5cd4f66 WPS NFC: Use AP Channel information from credential container
d2f1837 WPS NFC: Add BSSID and AP channel info to Configuration Token
75dbf98 WPS-STRICT: Update valid Device Password ID and Config Error range
5cd4740 P2P NFC: WPA state machine config with driver-based BSS selection
8e9f53c P2P NFC: Static handover with NFC Tag on client
dd87677 P2P NFC: Enable own NFC Tag on GO Registrar
abe44e3 P2P NFC: Add GO info into handover message when in client role
23318be P2P NFC: Optimize join-a-group operation based on NFC information
86e3208 P2P NFC: Copy DH parameters to a separate group interface
d4b4d7f WPS NFC: Update DH keys for ER operations
ac08752 WPS NFC: Use pubkey mismatch config error from Enrollee
59b45d1 P2P NFC: Add processing of P2P client while NFC handover case
74df9ec P2P NFC: Do not try to join peer if both devices are already GO
201b0f5 P2P: Add test option to disable IP address assignment request
25ef852 P2P: Add support for IP address assignment in 4-way handshake
fdd48ff P2P NFC: Optimize GO Negotiation retries
c4f87a7 P2P NFC: Add NFC tag enabling for static handover
dd37a93 P2P NFC: Report handover select from tag for static handover
db6ae69 P2P NFC: Report connection handover as trigger for P2P
9358878 P2P NFC: Build connection handover messages
c00ab85 P2P NFC: Define WPS_NFC config method
0deab08 P2P NFC: Allow separate WPS/P2P IES to be parsed
fca9958 P2P NFC: Pass OOB Dev Password through P2P parser
ab9e344 P2P NFC: Pass OOB Device Password ID to P2P
5154689 P2P NFC: Add WPS attribute building for P2P NFC
01afd8d P2P NFC: Add NDEF helpers for P2P connection handover messages
9e323a2 P2P NFC: Add OOB GO Negotiation Channel attribute
14d8645 WPS NFC: Allow BSSID and channel to be included in handover select
50d1f89 NFC: Update WPS ER to use the new connection handover design
d950793 WPS NFC: Add support for wpa_supplicant AP/GO mode to use handover
fa4c298 WPS NFC: Process new style handover select
068cdb1 WPS NFC: New style connection handover select from AP/Registrar
3189ca0 WPS NFC: Add AP mode connection handover report
41f9ffb WPS NFC: Build new style carrier record for connection handover request
3f1639d WPS NFC: Split DH key generation to a separate function
9754917 WPS NFC: Update NFC connection handover design
34b6795 WPS NFC: Use abbreviated handshake if both PK hashes delivered OOB
57630e6 WPS: Preparations for allowing SSID filtering for provisioning step
5f45455 WPS NFC: Validate peer public key hash on Enrollee
ff40cd6 WPS NFC: Send M2D with config error 20 on pkhash mismatch
e435417 WPS: Remove Version attribute from NFC messages
72403ec WPS: Add builder functions for AP Channel and RF Bands attributes
ea43ad9 P2P: Make group operating channel available
9f7cd9a P2P: Split add-group-info into a helper function
253f2e3 P2P: Apply unsafe frequency rules to available channels
1682c62 Add a header file defining QCA OUI and vendor extensions
Change-Id: Ia7604d018e1ffb25e06bdc01ce258fc4a0569245
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/examples/p2p-action.sh b/wpa_supplicant/examples/p2p-action.sh
index 8759f54..797d43a 100755
--- a/wpa_supplicant/examples/p2p-action.sh
+++ b/wpa_supplicant/examples/p2p-action.sh
@@ -34,13 +34,26 @@
# start with -z to avoid that
dnsmasq -x /var/run/dnsmasq.pid-$GIFNAME \
-i $GIFNAME \
- -F192.168.42.11,192.168.42.99 --listen-address 192.168.42.1 -z
+ -F192.168.42.11,192.168.42.99 --listen-address 192.168.42.1 -z -p 0
fi
fi
if [ "$4" = "client" ]; then
kill_daemon dhclient /var/run/dhclient-$GIFNAME.pid
rm /var/run/dhclient.leases-$GIFNAME
kill_daemon dnsmasq /var/run/dnsmasq.pid-$GIFNAME
+ ipaddr=`echo "$*" | sed 's/.* ip_addr=\([^ ]*\).*/\1/'`
+ ipmask=`echo "$*" | sed 's/.* ip_mask=\([^ ]*\).*/\1/'`
+ goipaddr=`echo "$*" | sed 's/.* go_ip_addr=\([^ ]*\).*/\1/'`
+ if echo "$ipaddr$ipmask$goipaddr" | grep -q ' '; then
+ ipaddr=""
+ ipmask=""
+ goipaddr=""
+ fi
+ if [ -n "$ipaddr" ]; then
+ sudo ifconfig $GIFNAME "$ipaddr" netmask "$ipmask"
+ sudo ip ro re default via "$goipaddr"
+ exit 0
+ fi
dhclient -pf /var/run/dhclient-$GIFNAME.pid \
-lf /var/run/dhclient.leases-$GIFNAME \
-nw \
diff --git a/wpa_supplicant/examples/p2p-nfc.py b/wpa_supplicant/examples/p2p-nfc.py
new file mode 100644
index 0000000..848f79f
--- /dev/null
+++ b/wpa_supplicant/examples/p2p-nfc.py
@@ -0,0 +1,581 @@
+#!/usr/bin/python
+#
+# Example nfcpy to wpa_supplicant wrapper for P2P NFC operations
+# Copyright (c) 2012-2013, 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 random
+import threading
+import argparse
+
+import nfc
+import nfc.ndef
+import nfc.llcp
+import nfc.handover
+
+import logging
+
+import wpaspy
+
+wpas_ctrl = '/var/run/wpa_supplicant'
+ifname = None
+init_on_touch = False
+in_raw_mode = False
+prev_tcgetattr = 0
+include_wps_req = True
+include_p2p_req = True
+no_input = False
+srv = None
+continue_loop = True
+terminate_now = False
+
+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:
+ if ifname:
+ if ifname not in ctrl:
+ continue
+ try:
+ print "Trying to use control interface " + ctrl
+ wpas = wpaspy.Ctrl(ctrl)
+ return wpas
+ except Exception, e:
+ pass
+ return None
+
+
+def wpas_tag_read(message):
+ wpas = wpas_connect()
+ if (wpas == None):
+ return
+ cmd = "WPS_NFC_TAG_READ " + str(message).encode("hex")
+ global force_freq
+ if force_freq:
+ cmd = cmd + " freq=" + force_freq
+ if "FAIL" in wpas.request(cmd):
+ return False
+ return True
+
+
+def wpas_get_handover_req():
+ wpas = wpas_connect()
+ if (wpas == None):
+ return None
+ res = wpas.request("NFC_GET_HANDOVER_REQ NDEF P2P-CR").rstrip().decode("hex")
+ if "FAIL" in res:
+ return None
+ return res
+
+def wpas_get_handover_req_wps():
+ wpas = wpas_connect()
+ if (wpas == None):
+ return None
+ return wpas.request("NFC_GET_HANDOVER_REQ NDEF WPS-CR").rstrip().decode("hex")
+
+
+def wpas_get_handover_sel(tag=False):
+ wpas = wpas_connect()
+ if (wpas == None):
+ return None
+ if tag:
+ return wpas.request("NFC_GET_HANDOVER_SEL NDEF P2P-CR-TAG").rstrip().decode("hex")
+ return wpas.request("NFC_GET_HANDOVER_SEL NDEF P2P-CR").rstrip().decode("hex")
+
+
+def wpas_get_handover_sel_wps():
+ wpas = wpas_connect()
+ if (wpas == None):
+ return None
+ res = wpas.request("NFC_GET_HANDOVER_SEL NDEF WPS-CR");
+ if "FAIL" in res:
+ return None
+ return res.rstrip().decode("hex")
+
+
+def wpas_report_handover(req, sel, type):
+ wpas = wpas_connect()
+ if (wpas == None):
+ return None
+ cmd = "NFC_REPORT_HANDOVER " + type + " P2P " + str(req).encode("hex") + " " + str(sel).encode("hex")
+ global force_freq
+ if force_freq:
+ cmd = cmd + " freq=" + force_freq
+ return wpas.request(cmd)
+
+
+def wpas_report_handover_wsc(req, sel, type):
+ wpas = wpas_connect()
+ if (wpas == None):
+ return None
+ cmd = "NFC_REPORT_HANDOVER " + type + " WPS " + str(req).encode("hex") + " " + str(sel).encode("hex")
+ if force_freq:
+ cmd = cmd + " freq=" + force_freq
+ return wpas.request(cmd)
+
+
+def p2p_handover_client(llc):
+ message = nfc.ndef.HandoverRequestMessage(version="1.2")
+ message.nonce = random.randint(0, 0xffff)
+
+ global include_p2p_req
+ if include_p2p_req:
+ data = wpas_get_handover_req()
+ if (data == None):
+ print "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)
+ message.add_carrier(datamsg[0], "active", datamsg[1:])
+
+ global include_wps_req
+ if include_wps_req:
+ print "Handover request (pre-WPS):"
+ try:
+ print message.pretty()
+ except Exception, e:
+ print e
+
+ data = wpas_get_handover_req_wps()
+ if data:
+ print "Add WPS request in addition to P2P"
+ datamsg = nfc.ndef.Message(data)
+ message.add_carrier(datamsg[0], "active", datamsg[1:])
+
+ print "Handover request:"
+ try:
+ print message.pretty()
+ except Exception, e:
+ print e
+ print str(message).encode("hex")
+
+ client = nfc.handover.HandoverClient(llc)
+ try:
+ print "Trying handover";
+ client.connect()
+ print "Connected for handover"
+ except nfc.llcp.ConnectRefused:
+ print "Handover connection refused"
+ client.close()
+ return
+ except Exception, e:
+ print "Other exception: " + str(e)
+ client.close()
+ return
+
+ print "Sending handover request"
+
+ if not client.send(message):
+ print "Failed to send handover request"
+
+ print "Receiving handover response"
+ message = client._recv()
+ if message is None:
+ print "No response received"
+ client.close()
+ return
+ if message.type != "urn:nfc:wkt:Hs":
+ print "Response was not Hs - received: " + message.type
+ client.close()
+ return
+
+ print "Received message"
+ try:
+ print message.pretty()
+ except Exception, e:
+ print e
+ print str(message).encode("hex")
+ message = nfc.ndef.HandoverSelectMessage(message)
+ print "Handover select received"
+ try:
+ print message.pretty()
+ except Exception, e:
+ print e
+
+ for carrier in message.carriers:
+ 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")
+ break
+
+ print "Remove peer"
+ client.close()
+ print "Done with handover"
+ global only_one
+ if only_one:
+ print "only_one -> stop loop"
+ global continue_loop
+ continue_loop = False
+
+ global no_wait
+ if no_wait:
+ print "Trying to exit.."
+ global terminate_now
+ terminate_now = True
+
+
+class HandoverServer(nfc.handover.HandoverServer):
+ def __init__(self, llc):
+ super(HandoverServer, self).__init__(llc)
+ self.sent_carrier = None
+ self.ho_server_processing = False
+ self.success = False
+
+ def process_request(self, request):
+ self.ho_server_processing = True
+ clear_raw_mode()
+ print "HandoverServer - request received"
+ try:
+ print "Parsed handover request: " + request.pretty()
+ except Exception, e:
+ print e
+
+ sel = nfc.ndef.HandoverSelectMessage(version="1.2")
+
+ found = False
+
+ for carrier in request.carriers:
+ print "Remote carrier type: " + carrier.type
+ if carrier.type == "application/vnd.wfa.p2p":
+ print "P2P carrier type match - add P2P carrier record"
+ found = True
+ self.received_carrier = carrier.record
+ print "Carrier record:"
+ try:
+ print carrier.record.pretty()
+ except Exception, e:
+ print e
+ data = wpas_get_handover_sel()
+ 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
+ wpas_report_handover(self.received_carrier, self.sent_carrier,
+ "RESP")
+
+ message = nfc.ndef.Message(data);
+ sel.add_carrier(message[0], "active", message[1:])
+ break
+
+ for carrier in request.carriers:
+ if found:
+ break
+ print "Remote carrier type: " + carrier.type
+ if carrier.type == "application/vnd.wfa.wsc":
+ print "WSC carrier type match - add WSC carrier record"
+ found = True
+ self.received_carrier = carrier.record
+ print "Carrier record:"
+ try:
+ print carrier.record.pretty()
+ except Exception, e:
+ print e
+ data = wpas_get_handover_sel_wps()
+ 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
+ wpas_report_handover_wsc(self.received_carrier,
+ self.sent_carrier, "RESP")
+
+ message = nfc.ndef.Message(data);
+ sel.add_carrier(message[0], "active", message[1:])
+ found = True
+ break
+
+ print "Handover select:"
+ try:
+ print sel.pretty()
+ except Exception, e:
+ print e
+ print str(sel).encode("hex")
+
+ print "Sending handover select"
+ self.success = True
+ return sel
+
+
+def clear_raw_mode():
+ import sys, tty, termios
+ global prev_tcgetattr, in_raw_mode
+ if not in_raw_mode:
+ return
+ fd = sys.stdin.fileno()
+ termios.tcsetattr(fd, termios.TCSADRAIN, prev_tcgetattr)
+ in_raw_mode = False
+
+
+def getch():
+ import sys, tty, termios, select
+ global prev_tcgetattr, in_raw_mode
+ fd = sys.stdin.fileno()
+ prev_tcgetattr = termios.tcgetattr(fd)
+ ch = None
+ try:
+ tty.setraw(fd)
+ in_raw_mode = True
+ [i, o, e] = select.select([fd], [], [], 0.05)
+ if i:
+ ch = sys.stdin.read(1)
+ finally:
+ termios.tcsetattr(fd, termios.TCSADRAIN, prev_tcgetattr)
+ in_raw_mode = False
+ return ch
+
+
+def p2p_tag_read(tag):
+ success = False
+ if len(tag.ndef.message):
+ 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"
+ success = wpas_tag_read(tag.ndef.message)
+ break
+ if record.type == "application/vnd.wfa.p2p":
+ print "P2P tag - send to wpa_supplicant"
+ success = wpas_tag_read(tag.ndef.message)
+ break
+ else:
+ print "Empty tag"
+
+ return success
+
+
+def rdwr_connected_p2p_write(tag):
+ print "Tag found - writing"
+ global p2p_sel_data
+ tag.ndef.message = str(p2p_sel_data)
+ print "Done - remove tag"
+ global only_one
+ if only_one:
+ global continue_loop
+ continue_loop = False
+ global p2p_sel_wait_remove
+ return p2p_sel_wait_remove
+
+def wps_write_p2p_handover_sel(clf, wait_remove=True):
+ 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"
+ return
+
+ global p2p_sel_wait_remove
+ p2p_sel_wait_remove = wait_remove
+ global p2p_sel_data
+ p2p_sel_data = nfc.ndef.HandoverSelectMessage(version="1.2")
+ message = nfc.ndef.Message(data);
+ p2p_sel_data.add_carrier(message[0], "active", message[1:])
+ print "Handover select:"
+ try:
+ print p2p_sel_data.pretty()
+ except Exception, e:
+ print e
+ print str(p2p_sel_data).encode("hex")
+
+ print "Touch an NFC tag"
+ clf.connect(rdwr={'on-connect': rdwr_connected_p2p_write})
+
+
+def rdwr_connected(tag):
+ global only_one, no_wait
+ print "Tag connected: " + str(tag)
+
+ if tag.ndef:
+ print "NDEF tag: " + tag.type
+ try:
+ print tag.ndef.message.pretty()
+ except Exception, e:
+ print e
+ success = p2p_tag_read(tag)
+ if only_one and success:
+ global continue_loop
+ continue_loop = False
+ else:
+ print "Not an NDEF tag - remove tag"
+
+ return not no_wait
+
+
+def llcp_worker(llc):
+ global init_on_touch
+ if init_on_touch:
+ print "Starting handover client"
+ p2p_handover_client(llc)
+ return
+
+ global no_input
+ if no_input:
+ print "Wait for handover to complete"
+ else:
+ print "Wait for handover to complete - press 'i' to initiate ('w' for WPS only, 'p' for P2P only)"
+ global srv
+ global wait_connection
+ while not wait_connection and srv.sent_carrier is None:
+ if srv.ho_server_processing:
+ time.sleep(0.025)
+ elif no_input:
+ time.sleep(0.5)
+ else:
+ global include_wps_req, include_p2p_req
+ res = getch()
+ if res == 'i':
+ include_wps_req = True
+ include_p2p_req = True
+ elif res == 'p':
+ include_wps_req = False
+ include_p2p_req = True
+ elif res == 'w':
+ include_wps_req = True
+ include_p2p_req = False
+ else:
+ continue
+ clear_raw_mode()
+ print "Starting handover client"
+ p2p_handover_client(llc)
+ return
+
+ clear_raw_mode()
+ print "Exiting llcp_worker thread"
+
+def llcp_startup(clf, llc):
+ print "Start LLCP server"
+ global srv
+ srv = HandoverServer(llc)
+ return llc
+
+def llcp_connected(llc):
+ print "P2P LLCP connected"
+ global wait_connection
+ wait_connection = False
+ global init_on_touch
+ if not init_on_touch:
+ global srv
+ srv.start()
+ if init_on_touch or not no_input:
+ threading.Thread(target=llcp_worker, args=(llc,)).start()
+ return True
+
+def terminate_loop():
+ global terminate_now
+ return terminate_now
+
+def main():
+ clf = nfc.ContactlessFrontend()
+
+ parser = argparse.ArgumentParser(description='nfcpy to wpa_supplicant integration for P2P and WPS NFC operations')
+ parser.add_argument('-d', const=logging.DEBUG, default=logging.INFO,
+ action='store_const', dest='loglevel',
+ help='verbose debug output')
+ parser.add_argument('-q', const=logging.WARNING, action='store_const',
+ dest='loglevel', help='be quiet')
+ parser.add_argument('--only-one', '-1', action='store_true',
+ help='run only one operation and exit')
+ parser.add_argument('--init-on-touch', '-I', action='store_true',
+ help='initiate handover on touch')
+ parser.add_argument('--no-wait', action='store_true',
+ help='do not wait for tag to be removed before exiting')
+ parser.add_argument('--ifname', '-i',
+ help='network interface name')
+ parser.add_argument('--no-wps-req', '-N', action='store_true',
+ help='do not include WPS carrier record in request')
+ parser.add_argument('--no-input', '-a', action='store_true',
+ help='do not use stdout input to initiate handover')
+ parser.add_argument('--tag-read-only', '-t', action='store_true',
+ help='tag read only (do not allow connection handover)')
+ parser.add_argument('--freq', '-f',
+ help='forced frequency of operating channel in MHz')
+ parser.add_argument('command', choices=['write-p2p-sel'],
+ nargs='?')
+ args = parser.parse_args()
+
+ global only_one
+ only_one = args.only_one
+
+ global no_wait
+ no_wait = args.no_wait
+
+ global force_freq
+ force_freq = args.freq
+
+ logging.basicConfig(level=args.loglevel)
+
+ global init_on_touch
+ init_on_touch = args.init_on_touch
+
+ if args.ifname:
+ global ifname
+ ifname = args.ifname
+ print "Selected ifname " + ifname
+
+ if args.no_wps_req:
+ global include_wps_req
+ include_wps_req = False
+
+ if args.no_input:
+ global no_input
+ no_input = True
+
+ clf = nfc.ContactlessFrontend()
+ global wait_connection
+
+ try:
+ if not clf.open("usb"):
+ print "Could not open connection with an NFC device"
+ raise SystemExit
+
+ if args.command == "write-p2p-sel":
+ wps_write_p2p_handover_sel(clf, wait_remove=not args.no_wait)
+ raise SystemExit
+
+ global continue_loop
+ while continue_loop:
+ print "Waiting for a tag or peer to be touched"
+ wait_connection = True
+ try:
+ if args.tag_read_only:
+ if not clf.connect(rdwr={'on-connect': rdwr_connected}):
+ break
+ else:
+ if not clf.connect(rdwr={'on-connect': rdwr_connected},
+ llcp={'on-startup': llcp_startup,
+ 'on-connect': llcp_connected},
+ terminate=terminate_loop):
+ break
+ except Exception, e:
+ print "clf.connect failed"
+
+ global srv
+ if only_one and srv and srv.success:
+ raise SystemExit
+
+ except KeyboardInterrupt:
+ raise SystemExit
+ finally:
+ clf.close()
+
+ raise SystemExit
+
+if __name__ == '__main__':
+ main()
diff --git a/wpa_supplicant/examples/wps-nfc.py b/wpa_supplicant/examples/wps-nfc.py
index d6dec85..35d1270 100755
--- a/wpa_supplicant/examples/wps-nfc.py
+++ b/wpa_supplicant/examples/wps-nfc.py
@@ -10,7 +10,8 @@
import sys
import time
import random
-import StringIO
+import threading
+import argparse
import nfc
import nfc.ndef
@@ -18,11 +19,13 @@
import nfc.handover
import logging
-logging.basicConfig()
import wpaspy
wpas_ctrl = '/var/run/wpa_supplicant'
+srv = None
+continue_loop = True
+terminate_now = False
def wpas_connect():
ifaces = []
@@ -50,7 +53,7 @@
wpas = wpas_connect()
if (wpas == None):
return False
- if "FAIL" in wpas.request("WPS_NFC_TAG_READ " + message.encode("hex")):
+ if "FAIL" in wpas.request("WPS_NFC_TAG_READ " + str(message).encode("hex")):
return False
return True
@@ -71,7 +74,10 @@
wpas = wpas_connect()
if (wpas == None):
return None
- return wpas.request("WPS_ER_NFC_CONFIG_TOKEN NDEF " + uuid).rstrip().decode("hex")
+ ret = wpas.request("WPS_ER_NFC_CONFIG_TOKEN NDEF " + uuid)
+ if "FAIL" in ret:
+ return None
+ return ret.rstrip().decode("hex")
def wpas_get_password_token():
@@ -93,8 +99,12 @@
if (wpas == None):
return None
if uuid is None:
- return wpas.request("NFC_GET_HANDOVER_SEL NDEF WPS-CR").rstrip().decode("hex")
- return wpas.request("NFC_GET_HANDOVER_SEL NDEF WPS-CR " + uuid).rstrip().decode("hex")
+ res = wpas.request("NFC_GET_HANDOVER_SEL NDEF WPS-CR").rstrip()
+ else:
+ res = wpas.request("NFC_GET_HANDOVER_SEL NDEF WPS-CR " + uuid).rstrip()
+ if "FAIL" in res:
+ return None
+ return res.decode("hex")
def wpas_report_handover(req, sel, type):
@@ -107,12 +117,19 @@
class HandoverServer(nfc.handover.HandoverServer):
- def __init__(self):
- super(HandoverServer, self).__init__()
+ def __init__(self, llc):
+ super(HandoverServer, self).__init__(llc)
+ self.sent_carrier = None
+ self.ho_server_processing = False
+ self.success = False
def process_request(self, request):
+ self.ho_server_processing = True
print "HandoverServer - request received"
- print "Parsed handover request: " + request.pretty()
+ try:
+ print "Parsed handover request: " + request.pretty()
+ except Exception, e:
+ print e
sel = nfc.ndef.HandoverSelectMessage(version="1.2")
@@ -120,7 +137,6 @@
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"
@@ -128,52 +144,24 @@
print "Handover select carrier record from wpa_supplicant:"
print data.encode("hex")
self.sent_carrier = data
+ wpas_report_handover(carrier.record, self.sent_carrier, "RESP")
message = nfc.ndef.Message(data);
sel.add_carrier(message[0], "active", message[1:])
print "Handover select:"
- print sel.pretty()
+ try:
+ print sel.pretty()
+ except Exception, e:
+ print e
print str(sel).encode("hex")
print "Sending handover select"
+ self.success = True
return sel
-def wps_handover_resp(peer, uuid):
- if uuid is None:
- print "Trying to handle WPS handover"
- else:
- 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):
+def wps_handover_init(llc):
print "Trying to initiate WPS handover"
data = wpas_get_handover_req()
@@ -181,30 +169,26 @@
print "Could not get handover request carrier record from wpa_supplicant"
return
print "Handover request carrier record from wpa_supplicant: " + data.encode("hex")
- record = nfc.ndef.Record()
- f = StringIO.StringIO(data)
- record._read(f)
- record = nfc.ndef.HandoverCarrierRecord(record)
- print "Parsed handover request carrier record:"
- print record.pretty()
message = nfc.ndef.HandoverRequestMessage(version="1.2")
message.nonce = random.randint(0, 0xffff)
- message.add_carrier(record, "active")
+ datamsg = nfc.ndef.Message(data)
+ message.add_carrier(datamsg[0], "active", datamsg[1:])
print "Handover request:"
- print message.pretty()
+ try:
+ print message.pretty()
+ except Exception, e:
+ print e
+ print str(message).encode("hex")
- nfc.llcp.activate(peer);
-
- client = nfc.handover.HandoverClient()
+ client = nfc.handover.HandoverClient(llc)
try:
print "Trying handover";
client.connect()
print "Connected for handover"
except nfc.llcp.ConnectRefused:
print "Handover connection refused"
- nfc.llcp.shutdown()
client.close()
return
@@ -217,42 +201,53 @@
message = client._recv()
if message is None:
print "No response received"
- nfc.llcp.shutdown()
client.close()
return
if message.type != "urn:nfc:wkt:Hs":
print "Response was not Hs - received: " + message.type
- nfc.llcp.shutdown()
client.close()
return
print "Received message"
- print message.pretty()
+ try:
+ print message.pretty()
+ except Exception, e:
+ print e
+ print str(message).encode("hex")
message = nfc.ndef.HandoverSelectMessage(message)
print "Handover select received"
- print message.pretty()
+ try:
+ print message.pretty()
+ except Exception, e:
+ print e
for carrier in message.carriers:
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, "INIT")
- wifi = nfc.ndef.WifiConfigRecord(carrier.record)
- print wifi.pretty()
+ # nfcpy does not support the new format..
+ #wifi = nfc.ndef.WifiConfigRecord(carrier.record)
+ #print wifi.pretty()
print "Remove peer"
- nfc.llcp.shutdown()
client.close()
print "Done with handover"
+ global only_one
+ if only_one:
+ global continue_loop
+ continue_loop = False
+ global no_wait
+ if no_wait:
+ print "Trying to exit.."
+ global terminate_now
+ terminate_now = True
def wps_tag_read(tag, wait_remove=True):
success = False
if len(tag.ndef.message):
- message = nfc.ndef.Message(tag.ndef.message)
- print "message type " + message.type
-
- for record in message:
+ 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"
@@ -269,166 +264,190 @@
return success
+def rdwr_connected_write(tag):
+ print "Tag found - writing"
+ global write_data
+ tag.ndef.message = str(write_data)
+ print "Done - remove tag"
+ global only_one
+ if only_one:
+ global continue_loop
+ continue_loop = False
+ global write_wait_remove
+ while write_wait_remove and tag.is_present:
+ time.sleep(0.1)
+
def wps_write_config_tag(clf, id=None, wait_remove=True):
print "Write WPS config token"
- data = wpas_get_config_token(id)
- if (data == None):
+ global write_data, write_wait_remove
+ write_wait_remove = wait_remove
+ write_data = wpas_get_config_token(id)
+ if write_data == None:
print "Could not get WPS config token from wpa_supplicant"
sys.exit(1)
return
-
print "Touch an NFC tag"
- while True:
- tag = clf.poll()
- if tag == None:
- time.sleep(0.1)
- continue
- break
-
- print "Tag found - writing"
- tag.ndef.message = data
- print "Done - remove tag"
- while wait_remove and tag.is_present:
- time.sleep(0.1)
+ clf.connect(rdwr={'on-connect': rdwr_connected_write})
-def wps_write_er_config_tag(clf, uuid):
+def wps_write_er_config_tag(clf, uuid, wait_remove=True):
print "Write WPS ER config token"
- data = wpas_get_er_config_token(uuid)
- if (data == None):
+ global write_data, write_wait_remove
+ write_wait_remove = wait_remove
+ write_data = wpas_get_er_config_token(uuid)
+ if write_data == None:
print "Could not get WPS config token from wpa_supplicant"
return
print "Touch an NFC tag"
- while True:
- tag = clf.poll()
- if tag == None:
- time.sleep(0.1)
- continue
- break
-
- print "Tag found - writing"
- tag.ndef.message = data
- print "Done - remove tag"
- while tag.is_present:
- time.sleep(0.1)
+ clf.connect(rdwr={'on-connect': rdwr_connected_write})
def wps_write_password_tag(clf, wait_remove=True):
print "Write WPS password token"
- data = wpas_get_password_token()
- if (data == None):
+ global write_data, write_wait_remove
+ write_wait_remove = wait_remove
+ write_data = wpas_get_password_token()
+ if write_data == None:
print "Could not get WPS password token from wpa_supplicant"
return
print "Touch an NFC tag"
- while True:
- tag = clf.poll()
- if tag == None:
- time.sleep(0.1)
- continue
- break
-
- print "Tag found - writing"
- tag.ndef.message = data
- print "Done - remove tag"
- while wait_remove and tag.is_present:
- time.sleep(0.1)
+ clf.connect(rdwr={'on-connect': rdwr_connected_write})
-def find_peer(clf):
- while True:
- if nfc.llcp.connected():
- print "LLCP connected"
- general_bytes = nfc.llcp.startup({})
- peer = clf.listen(ord(os.urandom(1)) + 250, general_bytes)
- if isinstance(peer, nfc.DEP):
- print "listen -> DEP";
- if peer.general_bytes.startswith("Ffm"):
- print "Found DEP"
- return peer
- print "mismatch in general_bytes"
- print peer.general_bytes
+def rdwr_connected(tag):
+ global only_one, no_wait
+ print "Tag connected: " + str(tag)
- peer = clf.poll(general_bytes)
- if isinstance(peer, nfc.DEP):
- print "poll -> DEP";
- if peer.general_bytes.startswith("Ffm"):
- print "Found DEP"
- return peer
- print "mismatch in general_bytes"
- print peer.general_bytes
+ if tag.ndef:
+ print "NDEF tag: " + tag.type
+ try:
+ print tag.ndef.message.pretty()
+ except Exception, e:
+ print e
+ success = wps_tag_read(tag, not only_one)
+ if only_one and success:
+ global continue_loop
+ continue_loop = False
+ else:
+ print "Not an NDEF tag - remove tag"
- if peer:
- print "Found tag"
- return peer
+ return not no_wait
+def llcp_worker(llc):
+ global arg_uuid
+ if arg_uuid is None:
+ wps_handover_init(llc)
+ print "Exiting llcp_worker thread"
+ return
+
+ global srv
+ global wait_connection
+ while not wait_connection and srv.sent_carrier is None:
+ if srv.ho_server_processing:
+ time.sleep(0.025)
+
+def llcp_startup(clf, llc):
+ global arg_uuid
+ if arg_uuid:
+ print "Start LLCP server"
+ global srv
+ srv = HandoverServer(llc)
+ if arg_uuid is "ap":
+ print "Trying to handle WPS handover"
+ srv.uuid = None
+ else:
+ print "Trying to handle WPS handover with AP " + arg_uuid
+ srv.uuid = arg_uuid
+ return llc
+
+def llcp_connected(llc):
+ print "P2P LLCP connected"
+ global wait_connection
+ wait_connection = False
+ global arg_uuid
+ if arg_uuid:
+ global srv
+ srv.start()
+ else:
+ threading.Thread(target=llcp_worker, args=(llc,)).start()
+ print "llcp_connected returning"
+ return True
+
+
+def terminate_loop():
+ global terminate_now
+ return terminate_now
+
def main():
clf = nfc.ContactlessFrontend()
+ parser = argparse.ArgumentParser(description='nfcpy to wpa_supplicant integration for WPS NFC operations')
+ parser.add_argument('-d', const=logging.DEBUG, default=logging.INFO,
+ action='store_const', dest='loglevel',
+ help='verbose debug output')
+ parser.add_argument('-q', const=logging.WARNING, action='store_const',
+ dest='loglevel', help='be quiet')
+ parser.add_argument('--only-one', '-1', action='store_true',
+ help='run only one operation and exit')
+ parser.add_argument('--no-wait', action='store_true',
+ help='do not wait for tag to be removed before exiting')
+ parser.add_argument('--uuid',
+ help='UUID of an AP (used for WPS ER operations)')
+ parser.add_argument('--id',
+ help='network id (used for WPS ER operations)')
+ parser.add_argument('command', choices=['write-config',
+ 'write-er-config',
+ 'write-password'],
+ nargs='?')
+ args = parser.parse_args()
+
+ global arg_uuid
+ arg_uuid = args.uuid
+
+ global only_one
+ only_one = args.only_one
+
+ global no_wait
+ no_wait = args.no_wait
+
+ logging.basicConfig(level=args.loglevel)
+
try:
- arg_uuid = None
- if len(sys.argv) > 1 and sys.argv[1] != '-1':
- arg_uuid = sys.argv[1]
-
- if len(sys.argv) > 1 and sys.argv[1] == '-1':
- only_one = True
- else:
- only_one = False
-
- if len(sys.argv) > 1 and sys.argv[1] == "write-config":
- wps_write_config_tag(clf)
+ if not clf.open("usb"):
+ print "Could not open connection with an NFC device"
raise SystemExit
- if len(sys.argv) > 1 and sys.argv[1] == "write-config-no-wait":
- wps_write_config_tag(clf, wait_remove=False)
+ if args.command == "write-config":
+ wps_write_config_tag(clf, id=args.id, wait_remove=not args.no_wait)
raise SystemExit
- if len(sys.argv) > 2 and sys.argv[1] == "write-config-id":
- wps_write_config_tag(clf, sys.argv[2])
+ if args.command == "write-er-config":
+ wps_write_er_config_tag(clf, args.uuid, wait_remove=not args.no_wait)
raise SystemExit
- if len(sys.argv) > 2 and sys.argv[1] == "write-er-config":
- wps_write_er_config_tag(clf, sys.argv[2])
+ if args.command == "write-password":
+ wps_write_password_tag(clf, wait_remove=not args.no_wait)
raise SystemExit
- if len(sys.argv) > 1 and sys.argv[1] == "write-password":
- wps_write_password_tag(clf)
- raise SystemExit
-
- if len(sys.argv) > 1 and sys.argv[1] == "write-password-no-wait":
- wps_write_password_tag(clf, wait_remove=False)
- raise SystemExit
-
- while True:
+ global continue_loop
+ while continue_loop:
print "Waiting for a tag or peer to be touched"
-
- tag = find_peer(clf)
- if isinstance(tag, nfc.DEP):
- if arg_uuid is None:
- wps_handover_init(tag)
- elif arg_uuid is "ap":
- wps_handover_resp(tag, None)
- else:
- wps_handover_resp(tag, arg_uuid)
- if only_one:
+ wait_connection = True
+ try:
+ if not clf.connect(rdwr={'on-connect': rdwr_connected},
+ llcp={'on-startup': llcp_startup,
+ 'on-connect': llcp_connected},
+ terminate=terminate_loop):
break
- continue
+ except Exception, e:
+ print "clf.connect failed"
- if tag.ndef:
- success = wps_tag_read(tag, not only_one)
- if only_one:
- if not success:
- sys.exit(1)
- break
- continue
-
- print "Not an NDEF tag - remove tag"
- if only_one:
- sys.exit(1)
- while tag.is_present:
- time.sleep(0.1)
+ global srv
+ if only_one and srv and srv.success:
+ raise SystemExit
except KeyboardInterrupt:
raise SystemExit