aboutsummaryrefslogtreecommitdiffstats
path: root/pySim-prog.py
blob: 93ae924a95cc067bc97caa99e9cbcd0c6c7ba6be (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
#!/usr/bin/env python3

#
# Utility to deal with sim cards and program the 'magic' ones easily
#
#
# Part of the sim link code of inspired by pySimReader-Serial-src-v2
#
#
# 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/>.
#

import hashlib
from optparse import OptionParser
import os
import random
import re
import sys
import traceback

try:
	import json
except ImportError:
	# Python < 2.5
	import simplejson as json

from pySim.commands import SimCardCommands
from pySim.cards import _cards_classes, card_detect
from pySim.utils import h2b, swap_nibbles, rpad, derive_milenage_opc, calculate_luhn, dec_iccid, init_reader
from pySim.ts_51_011 import EF
from pySim.card_handler import *
from pySim.utils import *

def parse_options():

	parser = OptionParser(usage="usage: %prog [options]")

	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("--modem-device", dest="modem_dev", metavar="DEV",
			help="Serial port of modem for Generic SIM Access (3GPP TS 27.007)",
			default=None,
		)
	parser.add_option("--modem-baud", dest="modem_baud", type="int", metavar="BAUD",
			help="Baudrate used for modem's port [default: %default]",
			default=115200,
		)
	parser.add_option("--osmocon", dest="osmocon_sock", metavar="PATH",
			help="Socket path for Calypso (e.g. Motorola C1XX) based reader (via OsmocomBB)",
			default=None,
		)
	parser.add_option("-t", "--type", dest="type",
			help="Card type (user -t list to view) [default: %default]",
			default="auto",
		)
	parser.add_option("-T", "--probe", dest="probe",
			help="Determine card type",
			default=False, action="store_true"
		)
	parser.add_option("-a", "--pin-adm", dest="pin_adm",
			help="ADM PIN used for provisioning (overwrites default)",
		)
	parser.add_option("-A", "--pin-adm-hex", dest="pin_adm_hex",
			help="ADM PIN used for provisioning, as hex string (16 characters long",
		)
	parser.add_option("-e", "--erase", dest="erase", action='store_true',
			help="Erase beforehand [default: %default]",
			default=False,
		)

	parser.add_option("-S", "--source", dest="source",
			help="Data Source[default: %default]",
			default="cmdline",
		)

	# if mode is "cmdline"
	parser.add_option("-n", "--name", dest="name",
			help="Operator name [default: %default]",
			default="Magic",
		)
	parser.add_option("-c", "--country", dest="country", type="int", metavar="CC",
			help="Country code [default: %default]",
			default=1,
		)
	parser.add_option("-x", "--mcc", dest="mcc", type="string",
			help="Mobile Country Code [default: %default]",
			default="901",
		)
	parser.add_option("-y", "--mnc", dest="mnc", type="string",
			help="Mobile Network Code [default: %default]",
			default="55",
		)
	parser.add_option("--mnclen", dest="mnclen", type="choice",
			help="Length of Mobile Network Code [default: %default]",
			default=2,
			choices=[2, 3],
		)
	parser.add_option("-m", "--smsc", dest="smsc",
			help="SMSC number (Start with + for international no.) [default: '00 + country code + 5555']",
		)
	parser.add_option("-M", "--smsp", dest="smsp",
			help="Raw SMSP content in hex [default: auto from SMSC]",
		)

	parser.add_option("-s", "--iccid", dest="iccid", metavar="ID",
			help="Integrated Circuit Card ID",
		)
	parser.add_option("-i", "--imsi", dest="imsi",
			help="International Mobile Subscriber Identity",
		)
	parser.add_option("--msisdn", dest="msisdn",
			help="Mobile Subscriber Integrated Services Digital Number",
		)
	parser.add_option("-k", "--ki", dest="ki",
			help="Ki (default is to randomize)",
		)
	parser.add_option("-o", "--opc", dest="opc",
			help="OPC (default is to randomize)",
		)
	parser.add_option("--op", dest="op",
			help="Set OP to derive OPC from OP and KI",
		)
	parser.add_option("--acc", dest="acc",
			help="Set ACC bits (Access Control Code). not all card types are supported",
		)
	parser.add_option("--epdgid", dest="epdgid",
			help="Set Home Evolved Packet Data Gateway (ePDG) Identifier. (Only FQDN format supported)",
		)
	parser.add_option("--epdgSelection", dest="epdgSelection",
			help="Set PLMN for ePDG Selection Information. (Only Operator Identifier FQDN format supported)",
		)
	parser.add_option("--read-imsi", dest="read_imsi", action="store_true",
			help="Read the IMSI from the CARD", default=False
		)
	parser.add_option("--read-iccid", dest="read_iccid", action="store_true",
			help="Read the ICCID from the CARD", default=False
		)
	parser.add_option("-z", "--secret", dest="secret", metavar="STR",
			help="Secret used for ICCID/IMSI autogen",
		)
	parser.add_option("-j", "--num", dest="num", type=int,
			help="Card # used for ICCID/IMSI autogen",
		)
	parser.add_option("--batch", dest="batch_mode",
			help="Enable batch mode [default: %default]",
			default=False, action='store_true',
		)
	parser.add_option("--batch-state", dest="batch_state", metavar="FILE",
			help="Optional batch state file",
		)

	# if mode is "csv"
	parser.add_option("--read-csv", dest="read_csv", metavar="FILE",
			help="Read parameters from CSV file rather than command line")


	parser.add_option("--write-csv", dest="write_csv", metavar="FILE",
			help="Append generated parameters in CSV file",
		)
	parser.add_option("--write-hlr", dest="write_hlr", metavar="FILE",
			help="Append generated parameters to OpenBSC HLR sqlite3",
		)
	parser.add_option("--dry-run", dest="dry_run",
			help="Perform a 'dry run', don't actually program the card",
			default=False, action="store_true")
	parser.add_option("--card_handler", dest="card_handler", metavar="FILE",
			help="Use automatic card handling machine")

	(options, args) = parser.parse_args()

	if options.type == 'list':
		for kls in _cards_classes:
			print(kls.name)
		sys.exit(0)

	if options.probe:
		return options

	if options.source == 'csv':
		if (options.imsi is None) and (options.batch_mode is False) and (options.read_imsi is False) and (options.read_iccid is False):
			parser.error("CSV mode needs either an IMSI, --read-imsi, --read-iccid or batch mode")
		if options.read_csv is None:
			parser.error("CSV mode requires a CSV input file")
	elif options.source == 'cmdline':
		if ((options.imsi is None) or (options.iccid is None)) and (options.num is None):
			parser.error("If either IMSI or ICCID isn't specified, num is required")
	else:
		parser.error("Only `cmdline' and `csv' sources supported")

	if (options.read_csv is not None) and (options.source != 'csv'):
		parser.error("You cannot specify a CSV input file in source != csv")

	if (options.batch_mode) and (options.num is None):
		options.num = 0

	if (options.batch_mode):
		if (options.imsi is not None) or (options.iccid is not None):
			parser.error("Can't give ICCID/IMSI for batch mode, need to use automatic parameters ! see --num and --secret for more informations")

	if args:
		parser.error("Extraneous arguments")

	return options


def _digits(secret, usage, len, num):
	seed = secret + usage + '%d' % num
	s = hashlib.sha1(seed.encode())
	d = ''.join(['%02d' % x for x in s.digest()])
	return d[0:len]

def _mcc_mnc_digits(mcc, mnc):
	return '%s%s' % (mcc, mnc)

def _cc_digits(cc):
	return ('%03d' if cc > 100 else '%02d') % cc

def _isnum(s, l=-1):
	return s.isdigit() and ((l== -1) or (len(s) == l))

def _ishex(s, l=-1):
	hc = '0123456789abcdef'
	return all([x in hc for x in s.lower()]) and ((l== -1) or (len(s) == l))


def _dbi_binary_quote(s):
	# Count usage of each char
	cnt = {}
	for c in s:
		cnt[c] = cnt.get(c, 0) + 1

	# Find best offset
	e = 0
	m = len(s)
	for i in range(1, 256):
		if i == 39:
			continue
		sum_ = cnt.get(i, 0) + cnt.get((i+1)&0xff, 0) + cnt.get((i+39)&0xff, 0)
		if sum_ < m:
			m = sum_
			e = i
			if m == 0:	# No overhead ? use this !
				break

	# Generate output
	out = []
	out.append( chr(e) )	# Offset
	for c in s:
		x = (256 + ord(c) - e) % 256
		if x in (0, 1, 39):
			out.append('\x01')
			out.append(chr(x+1))
		else:
			out.append(chr(x))

	return ''.join(out)

def gen_parameters(opts):
	"""Generates Name, ICCID, MCC, MNC, IMSI, SMSP, Ki, PIN-ADM from the
	options given by the user"""

	# MCC/MNC
	mcc = opts.mcc
	mnc = opts.mnc

	if not mcc.isdigit() or not mnc.isdigit():
		raise ValueError('mcc & mnc must only contain decimal digits')
	if len(mcc) < 1 or len(mcc) > 3:
		raise ValueError('mcc must be between 1 .. 3 digits')
	if len(mnc) < 1 or len(mnc) > 3:
		raise ValueError('mnc must be between 1 .. 3 digits')

	# MCC always has 3 digits
	mcc = lpad(mcc, 3, "0")
	# MNC must be at least 2 digits
	mnc = lpad(mnc, 2, "0")

	# Digitize country code (2 or 3 digits)
	cc_digits = _cc_digits(opts.country)

	# Digitize MCC/MNC (5 or 6 digits)
	plmn_digits = _mcc_mnc_digits(mcc, mnc)

	if opts.name is not None:
		if len(opts.name) > 16:
			raise ValueError('Service Provider Name must max 16 characters!')

	if opts.msisdn is not None:
		msisdn = opts.msisdn
		if msisdn[0] == '+':
			msisdn = msisdn[1:]
		if not msisdn.isdigit():
			raise ValueError('MSISDN must be digits only! '
					 'Start with \'+\' for international numbers.')
		if len(msisdn) > 10 * 2:
			# TODO: Support MSISDN of length > 20 (10 Bytes)
			raise ValueError('MSISDNs longer than 20 digits are not (yet) supported.')

	# ICCID (19 digits, E.118), though some phase1 vendors use 20 :(
	if opts.iccid is not None:
		iccid = opts.iccid
		if not _isnum(iccid, 19) and not _isnum(iccid, 20):
			raise ValueError('ICCID must be 19 or 20 digits !')

	else:
		if opts.num is None:
			raise ValueError('Neither ICCID nor card number specified !')

		iccid = (
			'89' +			# Common prefix (telecom)
			cc_digits +		# Country Code on 2/3 digits
			plmn_digits 		# MCC/MNC on 5/6 digits
		)

		ml = 18 - len(iccid)

		if opts.secret is None:
			# The raw number
			iccid += ('%%0%dd' % ml) % opts.num
		else:
			# Randomized digits
			iccid += _digits(opts.secret, 'ccid', ml, opts.num)

		# Add checksum digit
		iccid += ('%1d' % calculate_luhn(iccid))

	# IMSI (15 digits usually)
	if opts.imsi is not None:
		imsi = opts.imsi
		if not _isnum(imsi):
			raise ValueError('IMSI must be digits only !')

	else:
		if opts.num is None:
			raise ValueError('Neither IMSI nor card number specified !')

		ml = 15 - len(plmn_digits)

		if opts.secret is None:
			# The raw number
			msin = ('%%0%dd' % ml) % opts.num
		else:
			# Randomized digits
			msin = _digits(opts.secret, 'imsi', ml, opts.num)

		imsi = (
			plmn_digits +	# MCC/MNC on 5/6 digits
			msin			# MSIN
		)

	# SMSP
	if opts.smsp is not None:
		smsp = opts.smsp
		if not _ishex(smsp):
			raise ValueError('SMSP must be hex digits only !')
		if len(smsp) < 28*2:
			raise ValueError('SMSP must be at least 28 bytes')

	else:
		ton = "81"
		if opts.smsc is not None:
			smsc = opts.smsc
			if smsc[0] == '+':
				ton = "91"
				smsc = smsc[1:]
			if not _isnum(smsc):
				raise ValueError('SMSC must be digits only!\n \
					Start with \'+\' for international numbers')
		else:
			smsc = '00%d' % opts.country + '5555'	# Hack ...

		smsc = '%02d' % ((len(smsc) + 3)//2,) + ton + swap_nibbles(rpad(smsc, 20))

		smsp = (
			'e1' +			# Parameters indicator
			'ff' * 12 +		# TP-Destination address
			smsc +			# TP-Service Centre Address
			'00' +			# TP-Protocol identifier
			'00' +			# TP-Data coding scheme
			'00'			# TP-Validity period
		)

	# ACC
	if opts.acc is not None:
		acc = opts.acc
		if not _ishex(acc):
			raise ValueError('ACC must be hex digits only !')
		if len(acc) != 2*2:
			raise ValueError('ACC must be exactly 2 bytes')

	else:
		acc = None

	# Ki (random)
	if opts.ki is not None:
		ki = opts.ki
		if not re.match('^[0-9a-fA-F]{32}$', ki):
			raise ValueError('Ki needs to be 128 bits, in hex format')
	else:
		ki = ''.join(['%02x' % random.randrange(0,256) for i in range(16)])

	# OPC (random)
	if opts.opc is not None:
		opc = opts.opc
		if not re.match('^[0-9a-fA-F]{32}$', opc):
			raise ValueError('OPC needs to be 128 bits, in hex format')

	elif opts.op is not None:
		opc = derive_milenage_opc(ki, opts.op)
	else:
		opc = ''.join(['%02x' % random.randrange(0,256) for i in range(16)])

	pin_adm = sanitize_pin_adm(opts)

	# ePDG Selection Information
	if opts.epdgSelection:
		if len(opts.epdgSelection) < 5 or len(opts.epdgSelection) > 6:
			raise ValueError('ePDG Selection Information is not valid')
		epdg_mcc = opts.epdgSelection[:3]
		epdg_mnc = opts.epdgSelection[3:]
		if not epdg_mcc.isdigit() or not epdg_mnc.isdigit():
			raise ValueError('PLMN for ePDG Selection must only contain decimal digits')

	# Return that
	return {
		'name'	: opts.name,
		'iccid'	: iccid,
		'mcc'	: mcc,
		'mnc'	: mnc,
		'imsi'	: imsi,
		'smsp'	: smsp,
		'ki'	: ki,
		'opc'	: opc,
		'acc'	: acc,
		'pin_adm' : pin_adm,
		'msisdn' : opts.msisdn,
		'epdgid' : opts.epdgid,
		'epdgSelection' : opts.epdgSelection,
	}


def print_parameters(params):

	s = ["Generated card parameters :"]
	if 'name' in params:
		s.append(" > Name     : %(name)s")
	if 'smsp' in params:
		s.append(" > SMSP     : %(smsp)s")
	s.append(" > ICCID    : %(iccid)s")
	s.append(" > MCC/MNC  : %(mcc)s/%(mnc)s")
	s.append(" > IMSI     : %(imsi)s")
	s.append(" > Ki       : %(ki)s")
	s.append(" > OPC      : %(opc)s")
	if 'acc' in params:
		s.append(" > ACC      : %(acc)s")
	s.append(" > ADM1(hex): %(pin_adm)s")
	print("\n".join(s) % params)


def write_params_csv(opts, params):
	# csv
	if opts.write_csv:
		import csv
		row = ['name', 'iccid', 'mcc', 'mnc', 'imsi', 'smsp', 'ki', 'opc']
		f = open(opts.write_csv, 'a')
		cw = csv.writer(f)
		cw.writerow([params[x] for x in row])
		f.close()

def _read_params_csv(opts, iccid=None, imsi=None):
	import csv
	f = open(opts.read_csv, 'r')
	cr = csv.DictReader(f)

	# Lower-case fieldnames
	cr.fieldnames = [ field.lower() for field in cr.fieldnames ]

	i = 0
	if not 'iccid' in cr.fieldnames:
		raise Exception("CSV file in wrong format!")
	for row in cr:
		if opts.num is not None and opts.read_iccid is False and opts.read_imsi is False:
			if opts.num == i:
				f.close()
				return row
			i += 1
		if row['iccid'] == iccid:
			f.close()
			return row

		if row['imsi'] == imsi:
			f.close()
			return row

	f.close()
	return None

def read_params_csv(opts, imsi=None, iccid=None):
	row = _read_params_csv(opts, iccid=iccid, imsi=imsi)
	if row is not None:
		row['mcc'] = row.get('mcc', mcc_from_imsi(row.get('imsi')))
		row['mnc'] = row.get('mnc', mnc_from_imsi(row.get('imsi')))

		pin_adm = None
		# We need to escape the pin_adm we get from the csv
		if 'pin_adm' in row:
			pin_adm = ''.join(['%02x'%(ord(x)) for x in row['pin_adm']])
		# Stay compatible to the odoo csv format
		elif 'adm1' in row:
			pin_adm = ''.join(['%02x'%(ord(x)) for x in row['adm1']])
		if pin_adm:
			row['pin_adm'] = rpad(pin_adm, 16)

		# If the CSV-File defines a pin_adm_hex field use this field to
		# generate pin_adm from that.
		pin_adm_hex = row.get('pin_adm_hex')
		if pin_adm_hex:
			if len(pin_adm_hex) == 16:
				row['pin_adm'] = pin_adm_hex
				# Ensure that it's hex-encoded
				try:
					try_encode = h2b(pin_adm)
				except ValueError:
					raise ValueError("pin_adm_hex needs to be hex encoded using this option")
			else:
				raise ValueError("pin_adm_hex needs to be exactly 16 digits (hex encoded)")

	return row


def write_params_hlr(opts, params):
	# SQLite3 OpenBSC HLR
	if opts.write_hlr:
		import sqlite3
		conn = sqlite3.connect(opts.write_hlr)

		c = conn.execute(
			'INSERT INTO Subscriber ' +
			'(imsi, name, extension, authorized, created, updated) ' +
			'VALUES ' +
			'(?,?,?,1,datetime(\'now\'),datetime(\'now\'));',
			[
				params['imsi'],
				params['name'],
				'9' + params['iccid'][-5:-1]
			],
		)
		sub_id = c.lastrowid
		c.close()

		c = conn.execute(
			'INSERT INTO AuthKeys ' +
			'(subscriber_id, algorithm_id, a3a8_ki)' +
			'VALUES ' +
			'(?,?,?)',
			[ sub_id, 2, sqlite3.Binary(_dbi_binary_quote(h2b(params['ki']))) ],
		)

		conn.commit()
		conn.close()

def write_parameters(opts, params):
	write_params_csv(opts, params)
	write_params_hlr(opts, params)


BATCH_STATE = [ 'name', 'country', 'mcc', 'mnc', 'smsp', 'secret', 'num' ]
BATCH_INCOMPATIBLE = ['iccid', 'imsi', 'ki']

def init_batch(opts):
	# Need to do something ?
	if not opts.batch_mode:
		return

	for k in BATCH_INCOMPATIBLE:
		if getattr(opts, k):
			print("Incompatible option with batch_state: %s" % (k,))
			sys.exit(-1)

	# Don't load state if there is none ...
	if not opts.batch_state:
		return

	if not os.path.isfile(opts.batch_state):
		print("No state file yet")
		return

	# Get stored data
	fh = open(opts.batch_state)
	d = json.loads(fh.read())
	fh.close()

	for k,v in d.iteritems():
		setattr(opts, k, v)


def save_batch(opts):
	# Need to do something ?
	if not opts.batch_mode or not opts.batch_state:
		return

	d = json.dumps(dict([(k,getattr(opts,k)) for k in BATCH_STATE]))
	fh = open(opts.batch_state, 'w')
	fh.write(d)
	fh.close()


def process_card(opts, first, card_handler):

	if opts.dry_run is False:
		# Connect transport
		card_handler.get(first)

	if opts.dry_run is False:
		# Get card
		card = card_detect(opts.type, scc)
		if card is None:
			print("No card detected!")
			return -1

		# Probe only
		if opts.probe:
			return 0

		# Erase if requested
		if opts.erase:
			print("Formatting ...")
			card.erase()
			card.reset()

	# Generate parameters
	if opts.source == 'cmdline':
		cp = gen_parameters(opts)
	elif opts.source == 'csv':
		imsi = None
		iccid = None
		if opts.read_iccid:
			if opts.dry_run:
				# Connect transport
				card_handler.get(False)
			(res,_) = scc.read_binary(['3f00', '2fe2'], length=10)
			iccid = dec_iccid(res)
		elif opts.read_imsi:
			if opts.dry_run:
				# Connect transport
				card_handler.get(False)
			(res,_) = scc.read_binary(EF['IMSI'])
			imsi = swap_nibbles(res)[3:]
		else:
			imsi = opts.imsi
		cp = read_params_csv(opts, imsi=imsi, iccid=iccid)
	if cp is None:
		print("Error reading parameters from CSV file!\n")
		return 2
	print_parameters(cp)

	if opts.dry_run is False:
		# Program the card
		print("Programming ...")
		card.program(cp)
	else:
		print("Dry Run: NOT PROGRAMMING!")

	# Write parameters permanently
	write_parameters(opts, cp)

	# Batch mode state update and save
	if opts.num is not None:
		opts.num += 1
	save_batch(opts)

	card_handler.done()
	return 0


if __name__ == '__main__':

	# Parse options
	opts = parse_options()

	# Init card reader driver
	sl = init_reader(opts)

	# Create command layer
	scc = SimCardCommands(transport=sl)

	# If we use a CSV file as data input, check if the CSV file exists.
	if opts.source == 'csv':
		print("Using CSV file as data input: " + str(opts.read_csv))
		if not os.path.isfile(opts.read_csv):
			print("CSV file not found!")
			sys.exit(1)

	# Batch mode init
	init_batch(opts)

	if opts.card_handler:
		card_handler = card_handler_auto(sl, opts.card_handler)
	else:
		card_handler = card_handler(sl)

	# Iterate
	first = True
	card = None

	while 1:
		try:
			rc = process_card(opts, first, card_handler)
		except (KeyboardInterrupt):
			print("")
			print("Terminated by user!")
			sys.exit(0)
		except (SystemExit):
			raise
		except:
			print("")
			print("Card programming failed with an execption:")
			print("---------------------8<---------------------")
			traceback.print_exc()
			print("---------------------8<---------------------")
			print("")
			rc = -1

		# Something did not work as well as expected, however, lets
		# make sure the card is pulled from the reader.
		if rc != 0:
			card_handler.error()

		# If we are not in batch mode we are done in any case, so lets
		# exit here.
		if not opts.batch_mode:
			sys.exit(rc)

		first = False