-
-
Notifications
You must be signed in to change notification settings - Fork 126
/
pySim-shell.py
executable file
·1155 lines (998 loc) · 52.4 KB
/
pySim-shell.py
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
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/usr/bin/env python3
# Interactive shell for working with SIM / UICC / USIM / ISIM cards
#
# (C) 2021-2023 by Harald Welte <[email protected]>
#
# 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 typing import List, Optional
import json
import traceback
import cmd2
from packaging import version
from cmd2 import style
# cmd2 >= 2.3.0 has deprecated the bg/fg in favor of Bg/Fg :(
if version.parse(cmd2.__version__) < version.parse("2.3.0"):
from cmd2 import fg, bg # pylint: disable=no-name-in-module
RED = fg.red
LIGHT_RED = fg.bright_red
LIGHT_GREEN = fg.bright_green
else:
from cmd2 import Fg, Bg # pylint: disable=no-name-in-module
RED = Fg.RED
LIGHT_RED = Fg.LIGHT_RED
LIGHT_GREEN = Fg.LIGHT_GREEN
from cmd2 import CommandSet, with_default_category, with_argparser
import argparse
import os
import sys
import inspect
from pathlib import Path
from io import StringIO
from pprint import pprint as pp
from osmocom.utils import h2b, b2h, i2h, swap_nibbles, rpad, JsonEncoder, is_hexstr, is_decimal
from osmocom.utils import is_hexstr_or_decimal, Hexstr
from osmocom.tlv import bertlv_parse_one
from pySim.exceptions import *
from pySim.transport import init_reader, ApduTracer, argparse_add_reader_args, ProactiveHandler
from pySim.utils import sanitize_pin_adm, tabulate_str_list, boxed_heading_str, dec_iccid, sw_match
from pySim.card_handler import CardHandler, CardHandlerAuto
from pySim.filesystem import CardMF, CardEF, CardDF, CardADF, LinFixedEF, TransparentEF, BerTlvEF
from pySim.ts_102_221 import pin_names
from pySim.ts_102_222 import Ts102222Commands
from pySim.gsm_r import DF_EIRENE
from pySim.cat import ProactiveCommand
from pySim.card_key_provider import CardKeyProviderCsv, card_key_provider_register, card_key_provider_get_field
from pySim.app import init_card
class Cmd2Compat(cmd2.Cmd):
"""Backwards-compatibility wrapper around cmd2.Cmd to support older and newer
releases. See https://github.com/python-cmd2/cmd2/blob/master/CHANGELOG.md"""
def run_editor(self, file_path: Optional[str] = None) -> None:
if version.parse(cmd2.__version__) < version.parse("2.0.0"):
return self._run_editor(file_path) # pylint: disable=no-member
else:
return super().run_editor(file_path) # pylint: disable=no-member
class Settable2Compat(cmd2.Settable):
"""Backwards-compatibility wrapper around cmd2.Settable to support older and newer
releases. See https://github.com/python-cmd2/cmd2/blob/master/CHANGELOG.md"""
def __init__(self, name, val_type, description, settable_object, **kwargs):
if version.parse(cmd2.__version__) < version.parse("2.0.0"):
super().__init__(name, val_type, description, **kwargs) # pylint: disable=no-value-for-parameter
else:
super().__init__(name, val_type, description, settable_object, **kwargs) # pylint: disable=too-many-function-args
class PysimApp(Cmd2Compat):
CUSTOM_CATEGORY = 'pySim Commands'
BANNER = """Welcome to pySim-shell!
(C) 2021-2023 by Harald Welte, sysmocom - s.f.m.c. GmbH and contributors
Online manual available at https://downloads.osmocom.org/docs/pysim/master/html/shell.html """
def __init__(self, card, rs, sl, ch, script=None):
if version.parse(cmd2.__version__) < version.parse("2.0.0"):
kwargs = {'use_ipython': True}
else:
kwargs = {'include_ipy': True}
# pylint: disable=unexpected-keyword-arg
super().__init__(persistent_history_file='~/.pysim_shell_history', allow_cli_args=False,
auto_load_commands=False, startup_script=script, **kwargs)
self.intro = style(self.BANNER, fg=RED)
self.default_category = 'pySim-shell built-in commands'
self.card = None
self.rs = None
self.lchan = None
self.py_locals = {'card': self.card, 'rs': self.rs, 'lchan': self.lchan}
self.sl = sl
self.ch = ch
self.numeric_path = False
self.conserve_write = True
self.json_pretty_print = True
self.apdu_trace = False
self.add_settable(Settable2Compat('numeric_path', bool, 'Print File IDs instead of names', self,
onchange_cb=self._onchange_numeric_path))
self.add_settable(Settable2Compat('conserve_write', bool, 'Read and compare before write', self,
onchange_cb=self._onchange_conserve_write))
self.add_settable(Settable2Compat('json_pretty_print', bool, 'Pretty-Print JSON output', self))
self.add_settable(Settable2Compat('apdu_trace', bool, 'Trace and display APDUs exchanged with card', self,
onchange_cb=self._onchange_apdu_trace))
self.equip(card, rs)
def equip(self, card, rs):
"""
Equip pySim-shell with the supplied card and runtime state, add (or remove) all required settables and
and commands to enable card operations.
"""
rc = False
# Unequip everything from pySim-shell that would not work in unequipped state
if self.rs:
lchan = self.rs.lchan[0]
lchan.unregister_cmds(self)
if self.rs.profile:
for cmd_set in self.rs.profile.shell_cmdsets:
self.unregister_command_set(cmd_set)
for cmds in [Iso7816Commands, Ts102222Commands, PySimCommands]:
cmd_set = self.find_commandsets(cmds)
if cmd_set:
self.unregister_command_set(cmd_set[0])
self.card = card
self.rs = rs
# When a card object and a runtime state is present, (re)equip pySim-shell with everything that is
# needed to operate on cards.
if self.card and self.rs:
self.lchan = self.rs.lchan[0]
self._onchange_conserve_write(
'conserve_write', False, self.conserve_write)
self._onchange_apdu_trace('apdu_trace', False, self.apdu_trace)
if self.rs.profile:
for cmd_set in self.rs.profile.shell_cmdsets:
self.register_command_set(cmd_set)
self.register_command_set(Iso7816Commands())
self.register_command_set(Ts102222Commands())
self.register_command_set(PySimCommands())
try:
self.lchan.select('MF/EF.ICCID', self)
rs.identity['ICCID'] = dec_iccid(self.lchan.read_binary()[0])
except:
rs.identity['ICCID'] = None
self.lchan.select('MF', self)
rc = True
else:
self.poutput("pySim-shell not equipped!")
self.update_prompt()
return rc
def poutput_json(self, data, force_no_pretty=False):
"""like cmd2.poutput() but for a JSON serializable dict."""
if force_no_pretty or self.json_pretty_print == False:
output = json.dumps(data, cls=JsonEncoder)
else:
output = json.dumps(data, cls=JsonEncoder, indent=4)
self.poutput(output)
def _onchange_numeric_path(self, param_name, old, new):
self.update_prompt()
def _onchange_conserve_write(self, param_name, old, new):
if self.rs:
self.rs.conserve_write = new
def _onchange_apdu_trace(self, param_name, old, new):
if self.card:
if new == True:
self.card._scc._tp.apdu_tracer = self.Cmd2ApduTracer(self)
else:
self.card._scc._tp.apdu_tracer = None
class Cmd2ApduTracer(ApduTracer):
def __init__(self, cmd2_app):
self.cmd2 = cmd2_app
def trace_response(self, cmd, sw, resp):
self.cmd2.poutput("-> %s %s" % (cmd[:10], cmd[10:]))
self.cmd2.poutput("<- %s: %s" % (sw, resp))
def update_prompt(self):
if self.lchan:
path_str = self.lchan.selected_file.fully_qualified_path_str(not self.numeric_path)
scp = self.lchan.scc.scp
if scp:
self.prompt = 'pySIM-shell (%s:%02u:%s)> ' % (str(scp), self.lchan.lchan_nr, path_str)
else:
self.prompt = 'pySIM-shell (%02u:%s)> ' % (self.lchan.lchan_nr, path_str)
else:
if self.card:
self.prompt = 'pySIM-shell (no card profile)> '
else:
self.prompt = 'pySIM-shell (no card)> '
@cmd2.with_category(CUSTOM_CATEGORY)
def do_intro(self, _):
"""Display the intro banner"""
self.poutput(self.intro)
def do_eof(self, _: argparse.Namespace) -> bool:
self.poutput("")
return self.do_quit('')
@cmd2.with_category(CUSTOM_CATEGORY)
def do_equip(self, opts):
"""Equip pySim-shell with card"""
if self.rs and self.rs.profile:
for cmd_set in self.rs.profile.shell_cmdsets:
self.unregister_command_set(cmd_set)
rs, card = init_card(self.sl)
self.equip(card, rs)
apdu_cmd_parser = argparse.ArgumentParser()
apdu_cmd_parser.add_argument('--expect-sw', help='expect a specified status word', type=str, default=None)
apdu_cmd_parser.add_argument('--raw', help='Bypass the logical channel (and secure channel)', action='store_true')
apdu_cmd_parser.add_argument('APDU', type=is_hexstr, help='APDU as hex string')
@cmd2.with_argparser(apdu_cmd_parser)
def do_apdu(self, opts):
"""Send a raw APDU to the card, and print SW + Response.
CAUTION: this command bypasses the logical channel handling of pySim-shell and card state changes are not
tracked. Dpending on the raw APDU sent, pySim-shell may not continue to work as expected if you e.g. select
a different file."""
# When sending raw APDUs we access the scc object through _scc member of the card object. It should also be
# noted that the apdu command plays an exceptional role since it is the only card accessing command that
# can be executed without the presence of a runtime state (self.rs) object. However, this also means that
# self.lchan is also not present (see method equip).
if opts.raw or self.lchan is None:
data, sw = self.card._scc.send_apdu(opts.APDU, apply_lchan = False)
else:
data, sw = self.lchan.scc.send_apdu(opts.APDU, apply_lchan = False)
if data:
self.poutput("SW: %s, RESP: %s" % (sw, data))
else:
self.poutput("SW: %s" % sw)
if opts.expect_sw:
if not sw_match(sw, opts.expect_sw):
raise SwMatchError(sw, opts.expect_sw)
@cmd2.with_category(CUSTOM_CATEGORY)
def do_reset(self, opts):
"""Reset the Card."""
atr = self.rs.reset(self)
self.poutput('Card ATR: %s' % atr)
self.update_prompt()
class InterceptStderr(list):
def __init__(self):
self._stderr_backup = sys.stderr
def __enter__(self):
self._stringio_stderr = StringIO()
sys.stderr = self._stringio_stderr
return self
def __exit__(self, *args):
self.stderr = self._stringio_stderr.getvalue().strip()
del self._stringio_stderr
sys.stderr = self._stderr_backup
def _show_failure_sign(self):
self.poutput(style(" +-------------+", fg=LIGHT_RED))
self.poutput(style(" + ## ## +", fg=LIGHT_RED))
self.poutput(style(" + ## ## +", fg=LIGHT_RED))
self.poutput(style(" + ### +", fg=LIGHT_RED))
self.poutput(style(" + ## ## +", fg=LIGHT_RED))
self.poutput(style(" + ## ## +", fg=LIGHT_RED))
self.poutput(style(" +-------------+", fg=LIGHT_RED))
self.poutput("")
def _show_success_sign(self):
self.poutput(style(" +-------------+", fg=LIGHT_GREEN))
self.poutput(style(" + ## +", fg=LIGHT_GREEN))
self.poutput(style(" + ## +", fg=LIGHT_GREEN))
self.poutput(style(" + # ## +", fg=LIGHT_GREEN))
self.poutput(style(" + ## # +", fg=LIGHT_GREEN))
self.poutput(style(" + ## +", fg=LIGHT_GREEN))
self.poutput(style(" +-------------+", fg=LIGHT_GREEN))
self.poutput("")
def _process_card(self, first, script_path):
# Early phase of card initialzation (this part may fail with an exception)
try:
rs, card = init_card(self.sl)
rc = self.equip(card, rs)
except:
self.poutput("")
self.poutput("Card initialization (%s) failed with an exception:" % str(self.sl))
self.poutput("---------------------8<---------------------")
traceback.print_exc()
self.poutput("---------------------8<---------------------")
self.poutput("")
return -1
# Actual card processing step. This part should never fail with an exception since the cmd2
# do_run_script method will catch any exception that might occur during script execution.
if rc:
self.poutput("")
self.poutput("Transcript stdout:")
self.poutput("---------------------8<---------------------")
with self.InterceptStderr() as logged:
self.do_run_script(script_path)
self.poutput("---------------------8<---------------------")
self.poutput("")
self.poutput("Transcript stderr:")
if logged.stderr:
self.poutput("---------------------8<---------------------")
self.poutput(logged.stderr)
self.poutput("---------------------8<---------------------")
else:
self.poutput("(none)")
# Check for exceptions
self.poutput("")
if "EXCEPTION of type" not in logged.stderr:
return 0
return -1
bulk_script_parser = argparse.ArgumentParser()
bulk_script_parser.add_argument('SCRIPT_PATH', help="path to the script file")
bulk_script_parser.add_argument('--halt_on_error', help='stop card handling if an exeption occurs',
action='store_true')
bulk_script_parser.add_argument('--tries', type=int, default=2,
help='how many tries before trying the next card')
bulk_script_parser.add_argument('--on_stop_action', type=str, default=None,
help='commandline to execute when card handling has stopped')
bulk_script_parser.add_argument('--pre_card_action', type=str, default=None,
help='commandline to execute before actually talking to the card')
@cmd2.with_argparser(bulk_script_parser)
@cmd2.with_category(CUSTOM_CATEGORY)
def do_bulk_script(self, opts):
"""Run script on multiple cards (bulk provisioning)"""
# Make sure that the script file exists and that it is readable.
if not os.access(opts.SCRIPT_PATH, os.R_OK):
self.poutput("Invalid script file!")
return
success_count = 0
fail_count = 0
first = True
while 1:
# TODO: Count consecutive failures, if more than N consecutive failures occur, then stop.
# The rationale is: There may be a problem with the device, we do want to prevent that
# all remaining cards are fired to the error bin. This is only relevant for situations
# with large stacks, probably we do not need this feature right now.
try:
# In case of failure, try multiple times.
for i in range(opts.tries):
# fetch card into reader bay
self.ch.get(first)
# if necessary execute an action before we start processing the card
if(opts.pre_card_action):
os.system(opts.pre_card_action)
# process the card
rc = self._process_card(first, opts.SCRIPT_PATH)
if rc == 0:
success_count = success_count + 1
self._show_success_sign()
self.poutput("Statistics: success :%i, failure: %i" % (
success_count, fail_count))
break
else:
fail_count = fail_count + 1
self._show_failure_sign()
self.poutput("Statistics: success :%i, failure: %i" % (
success_count, fail_count))
# Depending on success or failure, the card goes either in the "error" bin or in the
# "done" bin.
if rc < 0:
self.ch.error()
else:
self.ch.done()
# In most cases it is possible to proceed with the next card, but the
# user may decide to halt immediately when an error occurs
if opts.halt_on_error and rc < 0:
return
except (KeyboardInterrupt):
self.poutput("")
self.poutput("Terminated by user!")
return
except (SystemExit):
# When all cards are processed the card handler device will throw a SystemExit
# exception. Also Errors that are not recoverable (cards stuck etc.) will end up here.
# The user has the option to execute some action to make aware that the card handler
# needs service.
if(opts.on_stop_action):
os.system(opts.on_stop_action)
return
except:
self.poutput("")
self.poutput("Card handling (%s) failed with an exception:" % str(self.sl))
self.poutput("---------------------8<---------------------")
traceback.print_exc()
self.poutput("---------------------8<---------------------")
self.poutput("")
fail_count = fail_count + 1
self._show_failure_sign()
self.poutput("Statistics: success :%i, failure: %i" %
(success_count, fail_count))
first = False
echo_parser = argparse.ArgumentParser()
echo_parser.add_argument('STRING', help="string to echo on the shell", nargs='+')
@cmd2.with_argparser(echo_parser)
@cmd2.with_category(CUSTOM_CATEGORY)
def do_echo(self, opts):
"""Echo (print) a string on the console"""
self.poutput(' '.join(opts.STRING))
@cmd2.with_category(CUSTOM_CATEGORY)
def do_version(self, opts):
"""Print the pySim software version."""
import pkg_resources
self.poutput(pkg_resources.get_distribution('pySim'))
@with_default_category('pySim Commands')
class PySimCommands(CommandSet):
def __init__(self):
super().__init__()
dir_parser = argparse.ArgumentParser()
dir_parser.add_argument(
'--fids', help='Show file identifiers', action='store_true')
dir_parser.add_argument(
'--names', help='Show file names', action='store_true')
dir_parser.add_argument(
'--apps', help='Show applications', action='store_true')
dir_parser.add_argument(
'--all', help='Show all selectable identifiers and names', action='store_true')
@cmd2.with_argparser(dir_parser)
def do_dir(self, opts):
"""Show a listing of files available in currently selected DF or MF"""
if opts.all:
flags = []
elif opts.fids or opts.names or opts.apps:
flags = ['PARENT', 'SELF']
if opts.fids:
flags += ['FIDS', 'AIDS']
if opts.names:
flags += ['FNAMES', 'ANAMES']
if opts.apps:
flags += ['ANAMES', 'AIDS']
else:
flags = ['PARENT', 'SELF', 'FNAMES', 'ANAMES']
selectables = list(
self._cmd.lchan.selected_file.get_selectable_names(flags=flags))
directory_str = tabulate_str_list(
selectables, width=79, hspace=2, lspace=1, align_left=True)
path = self._cmd.lchan.selected_file.fully_qualified_path_str(True)
self._cmd.poutput(path)
path = self._cmd.lchan.selected_file.fully_qualified_path_str(False)
self._cmd.poutput(path)
self._cmd.poutput(directory_str)
self._cmd.poutput("%d files" % len(selectables))
def __walk_action(self, action, filename, context, **kwargs):
# Changing the currently selected file while walking over the filesystem tree would disturb the
# walk, so we memorize the currently selected file here so that we can select it again after
# we have executed the action callback.
selected_file_before_action = self._cmd.lchan.selected_file
# Perform action
action(filename, context, **kwargs)
# When the action callback is done, make sure the file that was selected before is selected again.
if selected_file_before_action != self._cmd.lchan.selected_file:
self._cmd.lchan.select_file(selected_file_before_action, self._cmd)
def __walk(self, indent=0, action_ef=None, action_df=None, context=None, **kwargs):
"""Recursively walk through the file system, starting at the currently selected DF"""
if isinstance(self._cmd.lchan.selected_file, CardDF):
if action_df:
self.__walk_action(action_df, self._cmd.lchan.selected_file.name, context, **kwargs)
files = self._cmd.lchan.selected_file.get_selectables(
flags=['FNAMES', 'ANAMES'])
for f in files:
# special case: When no action is performed, just output a directory
if not action_ef and not action_df:
output_str = " " * indent + str(f) + (" " * 250)
output_str = output_str[0:25]
if isinstance(files[f], CardADF):
output_str += " " + str(files[f].aid)
else:
output_str += " " + str(files[f].fid)
output_str += " " + str(files[f].desc)
self._cmd.poutput(output_str)
if isinstance(files[f], CardDF):
skip_df = False
try:
fcp_dec = self._cmd.lchan.select(f, self._cmd)
except Exception as e:
skip_df = True
df = self._cmd.lchan.selected_file
df_path = df.fully_qualified_path_str(True)
df_skip_reason_str = df_path + \
"/" + str(f) + ", " + str(e)
if context:
context['DF_SKIP'] += 1
context['DF_SKIP_REASON'].append(df_skip_reason_str)
# If the DF was skipped, we never have entered the directory
# below, so we must not move up.
if skip_df == False:
self.__walk(indent + 1, action_ef, action_df, context, **kwargs)
self._cmd.lchan.select_file(self._cmd.lchan.selected_file.parent, self._cmd)
elif action_ef:
self.__walk_action(action_ef, f, context, **kwargs)
def do_tree(self, opts):
"""Display a filesystem-tree with all selectable files"""
self.__walk()
def __export_file(self, filename, context, as_json):
""" Select and export a single file (EF, DF or ADF) """
context['COUNT'] += 1
file = self._cmd.lchan.get_file_by_name(filename)
if file:
self._cmd.poutput(boxed_heading_str(file.fully_qualified_path_str(True)))
self._cmd.poutput("# directory: %s (%s)" % (file.fully_qualified_path_str(True),
file.fully_qualified_path_str(False)))
else:
# If this is called from self.__walk(), then it is ensured that the file exists.
raise RuntimeError("cannot export, file %s does not exist in the file system tree" % filename)
try:
fcp_dec = self._cmd.lchan.select_file(file, self._cmd)
self._cmd.poutput("# file: %s (%s)" %
(self._cmd.lchan.selected_file.name, self._cmd.lchan.selected_file.fid))
if isinstance(self._cmd.lchan.selected_file, CardEF):
self._cmd.poutput("# structure: %s" % str(self._cmd.lchan.selected_file_structure()))
self._cmd.poutput("# RAW FCP Template: %s" % str(self._cmd.lchan.selected_file_fcp_hex))
self._cmd.poutput("# Decoded FCP Template: %s" % str(self._cmd.lchan.selected_file_fcp))
self._cmd.poutput("select " + self._cmd.lchan.selected_file.fully_qualified_path_str())
self._cmd.poutput(self._cmd.lchan.selected_file.export(as_json, self._cmd.lchan))
except Exception as e:
bad_file_str = file.fully_qualified_path_str(True) + "/" + str(file.name) + ", " + str(e)
self._cmd.poutput("# bad file: %s" % bad_file_str)
context['ERR'] += 1
context['BAD'].append(bad_file_str)
self._cmd.poutput("#")
export_parser = argparse.ArgumentParser()
export_parser.add_argument(
'--filename', type=str, default=None, help='only export specific file')
export_parser.add_argument(
'--json', action='store_true', help='export as JSON (less reliable)')
@cmd2.with_argparser(export_parser)
def do_export(self, opts):
"""Export files to script that can be imported back later"""
context = {'ERR': 0, 'COUNT': 0, 'BAD': [],
'DF_SKIP': 0, 'DF_SKIP_REASON': []}
kwargs_export = {'as_json': opts.json}
exception_str_add = ""
if opts.filename:
self.__walk_action(self.__export_file, opts.filename, context, **kwargs_export)
else:
try:
self.__walk(0, self.__export_file, self.__export_file, context, **kwargs_export)
except Exception as e:
print("# Stopping early here due to exception: " + str(e))
print("#")
exception_str_add = ", also had to stop early due to exception:" + str(e)
self._cmd.poutput(boxed_heading_str("Export summary"))
self._cmd.poutput("# total files visited: %u" % context['COUNT'])
self._cmd.poutput("# bad files: %u" % context['ERR'])
for b in context['BAD']:
self._cmd.poutput("# " + b)
self._cmd.poutput("# skipped dedicated files(s): %u" %
context['DF_SKIP'])
for b in context['DF_SKIP_REASON']:
self._cmd.poutput("# " + b)
if context['ERR'] and context['DF_SKIP']:
raise RuntimeError("unable to export %i elementary file(s) and %i dedicated file(s)%s" % (
context['ERR'], context['DF_SKIP'], exception_str_add))
elif context['ERR']:
raise RuntimeError(
"unable to export %i elementary file(s)%s" % (context['ERR'], exception_str_add))
elif context['DF_SKIP']:
raise RuntimeError(
"unable to export %i dedicated files(s)%s" % (context['ERR'], exception_str_add))
def __dump_file(self, filename, context, as_json):
""" Select and dump a single file (EF, DF or ADF) """
file = self._cmd.lchan.get_file_by_name(filename)
if file:
res = {
'path': file.fully_qualified_path(True)
}
else:
# If this is called from self.__walk(), then it is ensured that the file exists.
raise RuntimeError("cannot dump, file %s does not exist in the file system tree" % filename)
try:
fcp_dec = self._cmd.lchan.select(filename, self._cmd)
# File control parameters (common for EF, DF and ADF files)
if not self._cmd.lchan.selected_file_fcp_hex:
# An application without a real ADF (like ADF.ARA-M) / filesystem
return
res['fcp_raw'] = str(self._cmd.lchan.selected_file_fcp_hex)
res['fcp'] = fcp_dec
# File structure and contents (EF only)
if isinstance(self._cmd.lchan.selected_file, CardEF):
structure = self._cmd.lchan.selected_file_structure()
if structure == 'transparent':
if as_json:
result = self._cmd.lchan.read_binary_dec()
body = result[0]
else:
result = self._cmd.lchan.read_binary()
body = str(result[0])
elif structure == 'cyclic' or structure == 'linear_fixed':
body = []
# Use number of records specified in select response
num_of_rec = self._cmd.lchan.selected_file_num_of_rec()
if num_of_rec:
for r in range(1, num_of_rec + 1):
if as_json:
result = self._cmd.lchan.read_record_dec(r)
body.append(result[0])
else:
result = self._cmd.lchan.read_record(r)
body.append(str(result[0]))
# When the select response does not return the number of records, read until we hit the
# first record that cannot be read.
else:
r = 1
while True:
try:
if as_json:
result = self._cmd.lchan.read_record_dec(r)
body.append(result[0])
else:
result = self._cmd.lchan.read_record(r)
body.append(str(result[0]))
except SwMatchError as e:
# We are past the last valid record - stop
if e.sw_actual == "9402":
break
# Some other problem occurred
raise e
r = r + 1
elif structure == 'ber_tlv':
tags = self._cmd.lchan.retrieve_tags()
body = {}
for t in tags:
result = self._cmd.lchan.retrieve_data(t)
(tag, l, val, remainer) = bertlv_parse_one(h2b(result[0]))
body[t] = b2h(val)
else:
raise RuntimeError('Unsupported structure "%s" of file "%s"' % (structure, filename))
res['body'] = body
except SwMatchError as e:
res['error'] = {
'sw_actual': e.sw_actual,
'sw_expected': e.sw_expected,
'message': e.description,
}
except Exception as e:
raise(e)
res['error'] = {
'message': str(e)
}
context['result']['files'][file.fully_qualified_path_str(True)] = res
fsdump_parser = argparse.ArgumentParser()
fsdump_parser.add_argument(
'--filename', type=str, default=None, help='only export specific (named) file')
fsdump_parser.add_argument(
'--json', action='store_true', help='export file contents as JSON (less reliable)')
@cmd2.with_argparser(fsdump_parser)
def do_fsdump(self, opts):
"""Export filesystem metadata and file contents of all files below current DF in
machine-readable json format. This is similar to "export", but much easier to parse by
downstream processing tools. You usually may want to call this from the MF and verify
the ADM1 PIN (if available) to maximize the amount of readable files."""
result = {
'name': self._cmd.card.name,
'atr': self._cmd.rs.identity['ATR'],
'eid': self._cmd.rs.identity.get('EID', None),
'iccid': self._cmd.rs.identity.get('ICCID', None),
'aids': {x.aid:{} for x in self._cmd.rs.mf.applications.values()},
'files': {},
}
context = {'result': result, 'DF_SKIP': 0, 'DF_SKIP_REASON': []}
kwargs_export = {'as_json': opts.json}
exception_str_add = ""
if opts.filename:
self.__walk_action(self.__dump_file, opts.filename, context, **kwargs_export)
else:
# export an entire subtree
try:
self.__walk(0, self.__dump_file, self.__dump_file, context, **kwargs_export)
except Exception as e:
print("# Stopping early here due to exception: " + str(e))
print("#")
exception_str_add = ", also had to stop early due to exception:" + str(e)
#raise e
self._cmd.poutput_json(context['result'])
def do_desc(self, opts):
"""Display human readable file description for the currently selected file"""
desc = self._cmd.lchan.selected_file.desc
if desc:
self._cmd.poutput("%s: %s" % (self._cmd.lchan.selected_file, desc))
else:
self._cmd.poutput("%s: no description available" % self._cmd.lchan.selected_file)
self._cmd.poutput(" file structure: %s" % self._cmd.lchan.selected_file_structure())
if isinstance(self._cmd.lchan.selected_file, LinFixedEF):
self._cmd.poutput(" record length:")
self._cmd.poutput(" minimum_length: %s" % str(self._cmd.lchan.selected_file.rec_len[0]))
self._cmd.poutput(" recommended_length: %s" % str(self._cmd.lchan.selected_file.rec_len[1]))
self._cmd.poutput(" actual_length: %s" % str(self._cmd.lchan.selected_file_record_len()))
self._cmd.poutput(" number of records: %s" % str(self._cmd.lchan.selected_file_num_of_rec()))
elif isinstance(self._cmd.lchan.selected_file, TransparentEF):
self._cmd.poutput(" file size:")
self._cmd.poutput(" minimum_size: %s" % str(self._cmd.lchan.selected_file.size[0]))
self._cmd.poutput(" recommended_size: %s" % str(self._cmd.lchan.selected_file.size[1]))
self._cmd.poutput(" actual_size: %s" % str(self._cmd.lchan.selected_file_size()))
elif isinstance(self._cmd.lchan.selected_file, BerTlvEF):
self._cmd.poutput(" file size:")
self._cmd.poutput(" minimum_size: %s" % str(self._cmd.lchan.selected_file.size[0]))
self._cmd.poutput(" recommended_size: %s" % str(self._cmd.lchan.selected_file.size[1]))
self._cmd.poutput(" actual_size: %s" % str(self._cmd.lchan.selected_file_size()))
self._cmd.poutput(" reserved_file_size: %s" % str(self._cmd.lchan.selected_file_reserved_file_size()))
self._cmd.poutput(" maximum_file_size: %s" % str(self._cmd.lchan.selected_file_maximum_file_size()))
verify_adm_parser = argparse.ArgumentParser()
verify_adm_parser.add_argument('--pin-is-hex', action='store_true',
help='ADM pin value is specified as hex-string (not decimal)')
verify_adm_parser.add_argument('--adm-type',
choices=[x for x in pin_names.values() if x.startswith('ADM')],
help='Override ADM number. Default is card-model-specific, usually 1')
verify_adm_parser.add_argument('ADM', nargs='?', type=is_hexstr_or_decimal,
help='ADM pin value. If none given, CSV file will be queried')
@cmd2.with_argparser(verify_adm_parser)
def do_verify_adm(self, opts):
"""Verify the ADM (Administrator) PIN specified as argument. This is typically needed in order
to get write/update permissions to most of the files on SIM cards.
"""
if opts.adm_type:
# pylint: disable=unsubscriptable-object
adm_chv_num = pin_names.inverse[opts.adm_type]
else:
adm_chv_num = self._cmd.card._adm_chv_num
if opts.ADM:
# use specified ADM-PIN
if opts.pin_is_hex:
pin_adm = sanitize_pin_adm(None, opts.ADM)
else:
pin_adm = sanitize_pin_adm(opts.ADM)
else:
iccid = self._cmd.rs.identity['ICCID']
adm_type = opts.adm_type or 'ADM1'
# try to find an ADM-PIN if none is specified
result = card_key_provider_get_field(adm_type, key='ICCID', value=iccid)
if opts.pin_is_hex or (result and len(result) > 8):
pin_adm = sanitize_pin_adm(None, result)
else:
pin_adm = sanitize_pin_adm(result)
if pin_adm:
self._cmd.poutput("found %s '%s' for ICCID '%s'" % (adm_type, result, iccid))
else:
raise ValueError("cannot find %s for ICCID '%s'" % (adm_type, iccid))
if pin_adm:
self._cmd.lchan.scc.verify_chv(adm_chv_num, h2b(pin_adm))
else:
raise ValueError("error: cannot authenticate, no adm-pin!")
def do_cardinfo(self, opts):
"""Display information about the currently inserted card"""
self._cmd.poutput("Card info:")
self._cmd.poutput(" Name: %s" % self._cmd.card.name)
self._cmd.poutput(" ATR: %s" % self._cmd.rs.identity['ATR'].lower())
eid = self._cmd.rs.identity.get('EID', None)
if eid:
self._cmd.poutput(" EID: %s" % eid.lower())
self._cmd.poutput(" ICCID: %s" % self._cmd.rs.identity['ICCID'].lower())
self._cmd.poutput(" Class-Byte: %s" % self._cmd.lchan.scc.cla_byte.lower())
self._cmd.poutput(" Select-Ctrl: %s" % self._cmd.lchan.scc.sel_ctrl.lower())
if len(self._cmd.rs.mf.applications) > 0:
self._cmd.poutput(" AIDs:")
for a in self._cmd.rs.mf.applications:
self._cmd.poutput(" %s" % a.lower())
@with_default_category('ISO7816 Commands')
class Iso7816Commands(CommandSet):
def __init__(self):
super().__init__()
def do_select(self, opts):
"""SELECT a File (ADF/DF/EF)"""
if len(opts.arg_list) == 0:
path = self._cmd.lchan.selected_file.fully_qualified_path_str(True)
path_fid = self._cmd.lchan.selected_file.fully_qualified_path_str(False)
self._cmd.poutput("currently selected file: %s (%s)" % (path, path_fid))
return
path = opts.arg_list[0]
fcp_dec = self._cmd.lchan.select(path, self._cmd)
self._cmd.update_prompt()
self._cmd.poutput_json(fcp_dec)
def complete_select(self, text, line, begidx, endidx) -> List[str]:
"""Command Line tab completion for SELECT"""
index_dict = {1: self._cmd.lchan.selected_file.get_selectable_names()}
return self._cmd.index_based_complete(text, line, begidx, endidx, index_dict=index_dict)
def get_code(self, code, field):
"""Use code either directly or try to get it from external data source using the provided field name"""
if code is not None:
return sanitize_pin_adm(code)
iccid = self._cmd.rs.identity['ICCID']
result = card_key_provider_get_field(field, key='ICCID', value=iccid)
result = sanitize_pin_adm(result)
if result:
self._cmd.poutput("found %s '%s' for ICCID '%s'" % (field, result, iccid))
else:
raise RuntimeError("cannot find %s for ICCID '%s'" % (field, iccid))
return result
verify_chv_parser = argparse.ArgumentParser()
verify_chv_parser.add_argument(
'--pin-nr', type=int, default=1, help='PIN Number, 1=PIN1, 2=PIN2 or custom value (decimal)')
verify_chv_parser.add_argument('PIN', nargs='?', type=is_decimal,
help='PIN code value. If none given, CSV file will be queried')
@cmd2.with_argparser(verify_chv_parser)
def do_verify_chv(self, opts):
"""Verify (authenticate) using specified CHV (PIN) code, which is how the specifications
call it if you authenticate yourself using the specified PIN. There usually is at least PIN1 and
PIN2."""
pin = self.get_code(opts.PIN, "PIN" + str(opts.pin_nr))
(data, sw) = self._cmd.lchan.scc.verify_chv(opts.pin_nr, h2b(pin))
self._cmd.poutput("CHV verification successful")
unblock_chv_parser = argparse.ArgumentParser()
unblock_chv_parser.add_argument(
'--pin-nr', type=int, default=1, help='PUK Number, 1=PIN1, 2=PIN2 or custom value (decimal)')
unblock_chv_parser.add_argument('PUK', nargs='?', type=is_decimal,
help='PUK code value. If none given, CSV file will be queried')
unblock_chv_parser.add_argument('NEWPIN', nargs='?', type=is_decimal,
help='PIN code value. If none given, CSV file will be queried')
@cmd2.with_argparser(unblock_chv_parser)
def do_unblock_chv(self, opts):
"""Unblock PIN code using specified PUK code"""
new_pin = self.get_code(opts.NEWPIN, "PIN" + str(opts.pin_nr))
puk = self.get_code(opts.PUK, "PUK" + str(opts.pin_nr))
(data, sw) = self._cmd.lchan.scc.unblock_chv(
opts.pin_nr, h2b(puk), h2b(new_pin))
self._cmd.poutput("CHV unblock successful")
change_chv_parser = argparse.ArgumentParser()
change_chv_parser.add_argument('NEWPIN', nargs='?', type=is_decimal,
help='PIN code value. If none given, CSV file will be queried')
change_chv_parser.add_argument('PIN', nargs='?', type=is_decimal,
help='PIN code value. If none given, CSV file will be queried')
change_chv_parser.add_argument(
'--pin-nr', type=int, default=1, help='PUK Number, 1=PIN1, 2=PIN2 or custom value (decimal)')
@cmd2.with_argparser(change_chv_parser)
def do_change_chv(self, opts):
"""Change PIN code to a new PIN code"""
new_pin = self.get_code(opts.NEWPIN, "PIN" + str(opts.pin_nr))
pin = self.get_code(opts.PIN, "PIN" + str(opts.pin_nr))
(data, sw) = self._cmd.lchan.scc.change_chv(
opts.pin_nr, h2b(pin), h2b(new_pin))
self._cmd.poutput("CHV change successful")
disable_chv_parser = argparse.ArgumentParser()
disable_chv_parser.add_argument(
'--pin-nr', type=int, default=1, help='PIN Number, 1=PIN1, 2=PIN2 or custom value (decimal)')
disable_chv_parser.add_argument('PIN', nargs='?', type=is_decimal,
help='PIN code value. If none given, CSV file will be queried')
@cmd2.with_argparser(disable_chv_parser)
def do_disable_chv(self, opts):
"""Disable PIN code using specified PIN code"""
pin = self.get_code(opts.PIN, "PIN" + str(opts.pin_nr))
(data, sw) = self._cmd.lchan.scc.disable_chv(opts.pin_nr, h2b(pin))
self._cmd.poutput("CHV disable successful")
enable_chv_parser = argparse.ArgumentParser()
enable_chv_parser.add_argument(
'--pin-nr', type=int, default=1, help='PIN Number, 1=PIN1, 2=PIN2 or custom value (decimal)')
enable_chv_parser.add_argument('PIN', nargs='?', type=is_decimal,
help='PIN code value. If none given, CSV file will be queried')
@cmd2.with_argparser(enable_chv_parser)
def do_enable_chv(self, opts):
"""Enable PIN code using specified PIN code"""
pin = self.get_code(opts.PIN, "PIN" + str(opts.pin_nr))
(data, sw) = self._cmd.lchan.scc.enable_chv(opts.pin_nr, h2b(pin))
self._cmd.poutput("CHV enable successful")
def do_deactivate_file(self, opts):
"""Deactivate the currently selected EF"""
(data, sw) = self._cmd.lchan.scc.deactivate_file()
activate_file_parser = argparse.ArgumentParser()
activate_file_parser.add_argument('NAME', type=str, help='File name or FID of file to activate')
@cmd2.with_argparser(activate_file_parser)
def do_activate_file(self, opts):
"""Activate the specified EF by sending an ACTIVATE FILE apdu command (used to be called REHABILITATE
in TS 11.11 for classic SIM).
This command is used to (re-)activate a file that is currently in deactivated (sometimes also called
"invalidated") state. You need to call this from the DF above the to-be-activated EF and specify the name or
FID of the file to activate.
Note that for *deactivation* the to-be-deactivated EF must be selected, but for *activation*, the DF
above the to-be-activated EF must be selected!"""
(data, sw) = self._cmd.lchan.activate_file(opts.NAME)
def complete_activate_file(self, text, line, begidx, endidx) -> List[str]:
"""Command Line tab completion for ACTIVATE FILE"""
index_dict = {1: self._cmd.lchan.selected_file.get_selectable_names()}
return self._cmd.index_based_complete(text, line, begidx, endidx, index_dict=index_dict)
open_chan_parser = argparse.ArgumentParser()
open_chan_parser.add_argument(
'chan_nr', type=int, default=1, choices=range(1,16), help='Channel Number')
@cmd2.with_argparser(open_chan_parser)
def do_open_channel(self, opts):
"""Open a logical channel."""
(data, sw) = self._cmd.lchan.scc.manage_channel(
mode='open', lchan_nr=opts.chan_nr)
# this is executed only in successful case, as unsuccessful raises exception
self._cmd.lchan.add_lchan(opts.chan_nr)
close_chan_parser = argparse.ArgumentParser()
close_chan_parser.add_argument(