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+ Make brutefid more gracefully accept card errors (common with my RFID reader) 

+ Have brutefid print out the files/dirs discovered so far
+ Have brutefid print out a directory structure, if applicable
This commit is contained in:
Henryk Plötz 2010-02-24 02:47:04 +01:00
parent 42d2278cf8
commit c857bc8863
1 changed files with 25 additions and 9 deletions
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34
brutefid.py
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@ -1,7 +1,7 @@
#!/usr/bin/env python
# -*- coding: iso-8859-1 -*-
import utils, cards, TLV_utils, sys, binascii, time, traceback
import utils, cards, TLV_utils, sys, binascii, time, traceback, smartcard
OPTIONS = "m:x:dD"
LONG_OPTIONS = ["min-fid", "max-fid", "with-dirs", "dump-contents"]
@ -73,6 +73,8 @@ if __name__ == "__main__":
else:
card.select_application(e)
root_node = cards.iso_7816_4_card.iso_node(generic_description="Brute Force Results Tree")
#objective = (0x2f00, 0x5015) ## Test cases on an OpenSC formatted PKCS#15 card
#objective = range(0xffff+1)
#objective = range(0x3fff+1) + range(0x7000,0x7fff+1) + range(0xc000,0xd4ff+1) + range(0xd600+1,0xd7ff+1) + range(0xdc00+1,0xffff+1)
@ -85,13 +87,18 @@ if __name__ == "__main__":
status = "(elapsed: %i:%02i:%02i" % (elapsed / 3600, (elapsed / 60) % 60, elapsed % 60)
try:
eta = (elapsed / loop) * (len(objective) - loop)
status = status + ", left: %i:%02i:%02i)" % (eta / 3600, (eta / 60) % 60, eta % 60)
except:
status = status + ")"
status = status + ", left: %i:%02i:%02i" % (eta / 3600, (eta / 60) % 60, eta % 60)
except: pass
if with_dirs: status = status + ", dirs: %2i" % len(results_dir)
status = status + ", files: %2i)" % len(results_file)
loop = loop + 1
if with_dirs:
result = card.change_dir(data)
try:
result = card.change_dir(data)
except smartcard.Exceptions.CardConnectionException:
time.sleep(1)
result = card.change_dir(data)
if card.check_sw(result.sw):
results_dir[fid] = result
card.change_dir()
@ -104,7 +111,11 @@ if __name__ == "__main__":
print >>sys.stderr, "\rDir %04X -> %02X%02X %s " % (fid, result.sw1, result.sw2, status),
result = card.open_file(data)
try:
result = card.open_file(data)
except smartcard.Exceptions.CardConnectionException:
time.sleep(1)
result = card.open_file(data)
if card.check_sw(result.sw):
results_file[fid] = result
@ -149,15 +160,17 @@ if __name__ == "__main__":
print "-"*80
print "Dir\t%04X" % fid
if len(result.data) > 0:
print utils.hexdump(result.data)
print TLV_utils.decode(result.data,tags=card.TLV_OBJECTS)
print utils.hexdump(result.data)
try: print TLV_utils.decode(result.data,tags=card.TLV_OBJECTS)
except: print "Exception during TLV parse"
for fid, result in sorted(results_file.items()):
print "-"*80
print "File\t%04X" % fid
if len(result.data) > 0:
print utils.hexdump(result.data)
print TLV_utils.decode(result.data,tags=card.TLV_OBJECTS)
try: print TLV_utils.decode(result.data,tags=card.TLV_OBJECTS)
except: print "Exception during TLV parse"
if contents_file.has_key( fid ):
contents_result = contents_file[fid]
@ -182,4 +195,7 @@ if __name__ == "__main__":
print
print
print "<"*40 + ">"*40
root_node.print_node()