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mitm.py: Added apdu splitter code

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Christina Quast
2015-04-16 11:10:59 +02:00
parent 2379ac8e32
commit 5384061761
1 changed files with 20 additions and 3 deletions
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23
usb_application/mitm.py
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@@ -2,12 +2,12 @@ import usb.core
import usb.util import usb.util
from ccid_raw import SmartcardConnection from ccid_raw import SmartcardConnection
import phone
from contextlib import closing from contextlib import closing
from util import HEX from util import HEX
from constants import * from constants import *
from apdu_split import Apdu_splitter, apdu_states
def find_dev(): def find_dev():
dev = usb.core.find(idVendor=0x03eb, idProduct=0x6004) dev = usb.core.find(idVendor=0x03eb, idProduct=0x6004)
@@ -47,6 +47,10 @@ def do_mitm():
dev = find_dev() dev = find_dev()
with closing(SmartcardConnection()) as sm_con: with closing(SmartcardConnection()) as sm_con:
atr = sm_con.getATR() atr = sm_con.getATR()
apdus = []
apdu = Apdu_splitter()
while True: while True:
cmd = poll_ep(dev, PHONE_INT) cmd = poll_ep(dev, PHONE_INT)
if cmd is not None: if cmd is not None:
@@ -60,5 +64,18 @@ def do_mitm():
cmd = poll_ep(dev, PHONE_RD) cmd = poll_ep(dev, PHONE_RD)
if cmd is not None: if cmd is not None:
print("RD: ", HEX(cmd)) print("RD: ", HEX(cmd))
sim_data = sm_con.send_receive_cmd(cmd) for c in cmd:
write_phone(dev, sim_data) apdu.split(c)
if apdu.state == apdu_states.APDU_S_SW1:
if len(apdu.data) == 0:
# FIXME: implement other ACK types
write_phone(dev, apdu.ins)
apdu.split(apdu.ins)
else:
sim_data = sm_con.send_receive_cmd(apdu.buf)
write_phone(dev, sim_data)
for c in sim_data:
apdu.split(c)
elif apdu.state == apdu_states.APDU_S_FIN:
apdus.append(apdu)
apdu = Apdu_splitter()