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

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

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()