27c3: Add a ccc-fix script to correct bad SMSP file ...

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
27c3
Sylvain Munaut 12 years ago
parent be6f44dc14
commit 454bd52572
  1. 153
      ccc-fix.py

@ -0,0 +1,153 @@
#!/usr/bin/env python
#
# Utility to write the cards
#
#
# Copyright (C) 2009 Sylvain Munaut <tnt@246tNt.com>
# Copyright (C) 2010 Harald Welte <laforge@gnumonks.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
from optparse import OptionParser
from pySim.commands import SimCardCommands
from pySim.cards import _cards_classes
def card_detect(opts, scc):
# Detect type if needed
card = None
ctypes = dict([(kls.name, kls) for kls in _cards_classes])
if opts.type in ("auto", "auto_once"):
for kls in _cards_classes:
card = kls.autodetect(scc)
if card:
print "Autodetected card type %s" % card.name
card.reset()
break
if card is None:
print "Autodetection failed"
return
if opts.type == "auto_once":
opts.type = card.name
elif opts.type in ctypes:
card = ctypes[opts.type](scc)
else:
raise ValueError("Unknown card type %s" % opts.type)
return card
#
# Main
#
def parse_options():
parser = OptionParser(usage="usage: %prog [options]")
# Card interface
parser.add_option("-d", "--device", dest="device", metavar="DEV",
help="Serial Device for SIM access [default: %default]",
default="/dev/ttyUSB0",
)
parser.add_option("-b", "--baud", dest="baudrate", type="int", metavar="BAUD",
help="Baudrate used for SIM access [default: %default]",
default=9600,
)
parser.add_option("-p", "--pcsc-device", dest="pcsc_dev", type='int', metavar="PCSC",
help="Which PC/SC reader number for SIM access",
default=None,
)
parser.add_option("-t", "--type", dest="type",
help="Card type (user -t list to view) [default: %default]",
default="auto",
)
(options, args) = parser.parse_args()
if options.type == 'list':
for kls in _cards_classes:
print kls.name
sys.exit(0)
if args:
parser.error("Extraneous arguments")
return options
def main():
# Parse options
opts = parse_options()
# Connect to the card
if opts.pcsc_dev is None:
from pySim.transport.serial import SerialSimLink
sl = SerialSimLink(device=opts.device, baudrate=opts.baudrate)
else:
from pySim.transport.pcsc import PcscSimLink
sl = PcscSimLink(opts.pcsc_dev)
# Create command layer
scc = SimCardCommands(transport=sl)
# Iterate
done = False
first = True
card = None
while not done:
# Connect transport
print "Insert card now (or CTRL-C to cancel)"
sl.wait_for_card(newcardonly=not first)
# Not the first anymore !
first = False
# Get card
card = card_detect(opts, scc)
if card is None:
if opts.batch_mode:
first = False
continue
else:
sys.exit(-1)
# Check type
if card.name != 'fakemagicsim':
print "Can't fix this type of card ..."
continue
# Fix record
data, sw = scc.read_record(['000c'], 1)
data_new = data[0:100] + 'fffffffffffffffffffffffffdffffffffffffffffffffffff0791947106004034ffffffffffffff'
scc.update_record(['000c'], 1, data_new)
# Done for this card and maybe for everything ?
print "Card should be fixed now !\n"
if __name__ == '__main__':
main()
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