mirror of https://gerrit.osmocom.org/simtrace2
array to hex function, reduced usb timeout
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@ -5,6 +5,8 @@ import smartcard.util
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import array
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from util import HEX
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class SmartcardException(Exception):
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pass
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@ -22,7 +24,7 @@ class SmartcardConnection:
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print 'Reader:', reader
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print 'State:', state
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print 'Protocol:', protocol
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print 'ATR:', smartcard.util.toHexString(atr, smartcard.util.HEX)
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print 'ATR:', HEX(atr)
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return array.array('B', atr)
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def reset_card(self):
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@ -67,14 +69,13 @@ class SmartcardConnection:
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print 'Released context.'
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def send_receive_cmd(self, cmd):
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print("Cmd: ")
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print("Cmd to SIM: " + HEX(cmd))
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hresult, resp = SCardTransmit(self.hcard, self.dwActiveProtocol,
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cmd.tolist())
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if hresult != SCARD_S_SUCCESS:
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raise SmartcardException('Failed to transmit: ' +
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SCardGetErrorMessage(hresult))
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print 'Ans: ' + smartcard.util.toHexString(resp,
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smartcard.util.HEX)
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print 'SIM Ans: ' + HEX(resp)
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return array.array('B', resp)
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def disconnect_card(self):
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@ -6,6 +6,7 @@ import phone
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from contextlib import closing
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from util import HEX
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def find_dev():
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dev = usb.core.find(idVendor=0x03eb, idProduct=0x6004)
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@ -36,14 +37,15 @@ ERR_TIMEOUT = 110
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def poll_ep(dev, ep):
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try:
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return dev.read(ep, 64, 1000)
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return dev.read(ep, 64, 100)
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except usb.core.USBError as e:
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if e.errno != ERR_TIMEOUT:
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raise
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return None
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def write_phone(dev, resp):
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dev.write(PHONE_WR, resp, 1000)
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print("WR: ", HEX(resp))
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dev.write(PHONE_WR, resp, 100)
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def do_mitm():
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dev = find_dev()
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@ -52,14 +54,15 @@ def do_mitm():
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while True:
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cmd = poll_ep(dev, PHONE_INT)
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if cmd is not None:
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print(cmd)
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print("Int line ", HEX(cmd))
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assert cmd[0] == ord('R')
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# FIXME: restart card anyways?
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# sm_con.reset_card()
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print("Write atr: ", HEX(atr))
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write_phone(dev, atr)
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cmd = poll_ep(dev, PHONE_RD)
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if cmd is not None:
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print(cmd)
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print("RD: ", HEX(cmd))
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sim_data = sm_con.send_receive_cmd(cmd)
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write_phone(dev, sim_data)
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@ -0,0 +1,5 @@
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def HEX(vals):
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if vals is not None:
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return ' '.join('%.2x'%x for x in vals)
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