client/luascripts/hf_mf_em_util.lua

   1 local getopt = require('getopt')
   2 local ansicolors = require('ansicolors')
   3
   4 --Copyright
   5 copyright = ''
   6 author = 'nisgola'
   7 version = 'v1'
   8
   9 -- Script description
  10 desc = [[
  11 This is a script that write Sector Trailers to the emulator memory.
  12
  13 By default, both keys A and B are set to 0xFFFFFFFFFFFF.
  14 The Access Bytes are set to 0xFF0780 and User Bytes to 0x00.
  15 ]]
  16 example = [[
  17     -- Use default formatting
  18     1. script run hf_mf_em_util
  19
  20     -- Change keys A and B
  21     2. script run hf_mf_em_util -a 112233445566 -b AABBCCDDEEFF
  22
  23     -- Define access bits and User byte
  24     3. script run hf_mf_em_util -x 00f0ff -u 12
  25 ]]
  26 -- Usage info
  27 usage = [[
  28 script run hf_mf_em_util [-h] [-4] [-a <hex>] [-b <hex>] [-x <hex>] [-u <hex>]
  29 ]]
  30 -- Arguments
  31 arguments = [[
  32     -h          this help
  33     -4          format as 4K card
  34     -a <hex>    define key A
  35     -b <hex>    define key B
  36     -x <hex>    define Access Bytes
  37     -u <hex>    define User Byte
  38 ]]
  39 -- Help function
  40 local function help()
  41     print(copyright)
  42     print(author)
  43     print(version)
  44     print(desc)
  45     print(ansicolors.cyan..'Usage'..ansicolors.reset)
  46     print(usage)
  47     print(ansicolors.cyan..'Arguments'..ansicolors.reset)
  48     print(arguments)
  49     print(ansicolors.cyan..'Example usage'..ansicolors.reset)
  50     print(example)
  51 end
  52 -- Print error
  53 local function oops(err)
  54     print('ERROR:', err)
  55     return nil,err
  56 end
  57
  58 -- Memory formatting
  59 local function card_format(key_a,key_b,ab,user,s70)
  60     local blocks = {3,7,11,15,19,23,27,31,35,39,43,47,51,55,59,63,67,71,75,79,83,87,91,95,99,103,107,111,115,119,123,127,143,159,175,191,207,223,239,255}
  61     for k,v in ipairs(blocks) do
  62         local cmd = string.format("hf mf esetblk --blk %s -d %s%s%s%s",v,key_a,ab,user,key_b)
  63         core.console(cmd)
  64         print(cmd)
  65         core.clearCommandBuffer()
  66     if s70 == false and k > 15 then
  67         return
  68         end
  69     end
  70 end
  71
  72 local function main(args)
  73     -- Receive parameters
  74     for o, a in getopt.getopt(args, 'ha:b:x:u:4') do
  75         if o == 'h' then return help() end
  76         if o == 'a' then KeyA = a end
  77         if o == 'b' then KeyB = a end
  78         if o == 'x' then Accessbit = a end
  79         if o == 'u' then User = a end
  80         if o == '4' then kkkk = true end
  81     end
  82
  83     local KeyA = KeyA or 'FFFFFFFFFFFF'
  84     if #(KeyA) ~= 12 then
  85             return oops( string.format('Wrong length of the Key A, receveid %d, expected 12', #KeyA))
  86     end
  87
  88     local KeyB = KeyB or 'FFFFFFFFFFFF'
  89     if #(KeyB) ~= 12 then
  90             return oops( string.format('Wrong length of the Key B, received %d, expected 12', #KeyB))
  91     end
  92
  93     local Accessbit = Accessbit or 'FF0780'
  94     if #(Accessbit) ~= 6 then
  95             return oops( string.format('Wrong length of the Access bit, received %d, expected 6', #Accessbit))
  96     end
  97
  98     local User = User or '00'
  99     if #(User) ~= 2 then
 100             return oops( string.format('Wrong lenght for the user defined byte, received %d, expected 2', #User))
 101     end
 102
 103     local kkkk = kkkk or false
 104
 105     -- Call card_format function
 106     card_format(KeyA,KeyB,Accessbit,User,kkkk)
 107 end
 108 main (args)