UPD: got the latest updates (@badboy) from @zhovner mfdread.

This commit is contained in:
iceman1001 2016-09-29 14:18:21 +02:00
commit ce1cccd697

View file

@ -9,21 +9,28 @@
import codecs
import sys
import copy
from struct import unpack
from datetime import datetime
from bitstring import BitArray
class Options:
FORCE_1K = False
if len(sys.argv) == 1:
print('''
------------------
Usage: mfdread.py ./dump.mfd
Mifare dumps reader.
''')
sys.exit();
def d(bytes):
decoded = codecs.decode(bytes, "hex")
try:
return str(decoded, "utf-8").rstrip('\0')
except:
return ""
class bashcolors:
@ -68,6 +75,37 @@ def accbits_for_blocknum(accbits_str, blocknum):
return False
def accbits_to_permission_sector(accbits):
permissions = {
'000': "- A | A - | A A [read B]",
'010': "- - | A - | A - [read B]",
'100': "- B | A/B - | - B",
'110': "- - | A/B - | - -",
'001': "- A | A A | A A [transport]",
'011': "- B | A/B B | - B",
'101': "- - | A/B B | - -",
'111': "- - | A/B - | - -",
}
if isinstance(accbits, BitArray):
return permissions.get(accbits.bin, "unknown")
else:
return ""
def accbits_to_permission_data(accbits):
permissions = {
'000': "A/B | A/B | A/B | A/B [transport]",
'010': "A/B | - | - | - [r/w]",
'100': "A/B | B | - | - [r/w]",
'110': "A/B | B | B | A/B [value]",
'001': "A/B | - | - | A/B [value]",
'011': " B | B | - | - [r/w]",
'101': " B | - | - | - [r/w]",
'111': " - | - | - | - [r/w]",
}
if isinstance(accbits, BitArray):
return permissions.get(accbits.bin, "unknown")
else:
return ""
def accbit_info(accbits):
@ -99,6 +137,9 @@ def print_info(data):
print("Wrong file size: %d bytes.\nOnly 1024 or 4096 allowed." % len(data))
sys.exit();
if Options.FORCE_1K:
cardsize = 16
# read all sectors
for i in range(0, cardsize):
start = i * 64
@ -109,6 +150,7 @@ def print_info(data):
sector = str(sector, 'ascii')
blocksmatrix.append([sector[x:x+32] for x in range(0, len(sector), 32)])
blocksmatrix_clear = copy.deepcopy(blocksmatrix)
# add colors for each keyA, access bits, KeyB
for c in range(0, len(blocksmatrix)):
# Fill in the access bits
@ -126,10 +168,12 @@ def print_info(data):
print("\tSAK: " + blocksmatrix[0][0][10:12])
print("\tATQA: " + blocksmatrix[0][0][12:14])
print(" %sKey A%s %sAccess Bits%s %sKey B%s" %(bashcolors.RED,bashcolors.ENDC,bashcolors.GREEN,bashcolors.ENDC,bashcolors.BLUE,bashcolors.ENDC))
print("╔═════════╦═════╦══════════════════════════════════╦═══════════════╗")
print("║ Sector ║Block║ Data ║ Access Bits ║")
print("╔═════════╦═════╦══════════════════════════════════╦════════╦═════════════════════════════════════╗")
print("║ Sector ║Block║ Data ║ Access ║ A | Acc. | B ║")
print("║ ║ ║ ║ ║ r w | r w | r w [info] ║")
print("║ ║ ║ ║ ║ r | w | i | d/t/r ║")
for q in range(0, len(blocksmatrix)):
print("╠═════════╬═════╬══════════════════════════════════╬═══════════════╣")
print("╠═════════╬═════╬══════════════════════════════════╬════════╬═════════════════════════════════════╣")
# z is the block in each sector
for z in range(0, len(blocksmatrix[q])):
@ -140,21 +184,41 @@ def print_info(data):
else:
accbits = bashcolors.WARNING + "ERR" + bashcolors.ENDC
if (q == 0 and z == 0):
permissions = "-"
elif (z == 3):
permissions = accbits_to_permission_sector(blockrights[q][z])
else:
permissions = accbits_to_permission_data(blockrights[q][z])
# Add Padding after the sector number
padLen = max(1, 5 - len(str(q)))
padding = " " * padLen
# Only print the sector number in the second third row
if (z == 2):
print("%d%s%d%s%s" %(q,padding,z,blocksmatrix[q][z], accbits))
print("%d%s%d%s %s %-35s%s" %(q,padding,z,blocksmatrix[q][z], accbits, permissions, d(blocksmatrix_clear[q][z])))
else:
print("║ ║ %d%s %s " %(z,blocksmatrix[q][z], accbits))
print("╚═════════╩═════╩══════════════════════════════════╩═══════════════╝")
print("║ ║ %d%s %s %-35s%s" %(z,blocksmatrix[q][z], accbits, permissions, d(blocksmatrix_clear[q][z])))
print("╚═════════╩═════╩══════════════════════════════════╩════════╩═════════════════════════════════════╝")
def main(filename):
def main(args):
if args[0] == '-n':
args.pop(0)
bashcolors.BLUE = ""
bashcolors.RED = ""
bashcolors.GREEN = ""
bashcolors.WARNING = ""
bashcolors.ENDC = ""
if args[0] == '-1':
args.pop(0)
Options.FORCE_1K = True
filename = args[0]
with open(filename, "rb") as f:
data = f.read()
print_info(data)
if __name__ == "__main__":
main(sys.argv[1])
main(sys.argv[1:])