git.zerfleddert.de Git - proxmark3-svn/blob - client/scripts/tnp3clone.lua

   1 local cmds = require('commands')
   2 local getopt = require('getopt')
   3 local lib14a = require('read14a')
   4 local utils = require('utils')
   5 local pre = require('precalc')
   6 local toys = require('default_toys')
   7
   8 local lsh = bit32.lshift
   9 local rsh = bit32.rshift
  10 local bor = bit32.bor
  11 local band = bit32.band
  12
  13 example =[[
  14         script run tnp3clone
  15         script run tnp3clone -h
  16         script run tnp3clone -t aa00 -s 0030
  17
  18 ]]
  19 author = "Iceman"
  20 usage = "script run tnp3clone -t <toytype> -s <subtype>"
  21 desc =[[
  22 This script will try making a barebone clone of a tnp3 tag on to a magic generation1 card.
  23
  24 Arguments:
  25         -h             : this help
  26         -t <data>      : toytype id, 4hex symbols.
  27         -s <data>      : subtype id, 4hex symbols
  28
  29         For fun,  try the following subtype id:
  30         0612 - Lightcore
  31         0118 - Series 1
  32         0138 - Series 2
  33         0234 - Special
  34         023c - Special
  35
  36 ]]
  37
  38
  39 -- This is only meant to be used when errors occur
  40 function oops(err)
  41         print("ERROR: ",err)
  42 end
  43 -- Usage help
  44 function help()
  45         print(desc)
  46         print("Example usage")
  47         print(example)
  48 end
  49
  50 local function waitCmd()
  51         local response = core.WaitForResponseTimeout(cmds.CMD_ACK,2000)
  52         if response then
  53                 local count,cmd,arg0 = bin.unpack('LL',response)
  54                 if(arg0==1) then
  55                         local count,arg1,arg2,data = bin.unpack('LLH511',response,count)
  56                         return data:sub(1,32)
  57                 else
  58                         return nil, "Couldn't read block."
  59                 end
  60         end
  61         return nil, "No response from device"
  62 end
  63
  64 local function readblock( blocknum, keyA )
  65         -- Read block 0
  66         cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = blocknum, arg2 = 0, arg3 = 0, data = keyA}
  67         err = core.SendCommand(cmd:getBytes())
  68         if err then return nil, err end
  69         local block0, err = waitCmd()
  70         if err then return nil, err end
  71         return block0
  72 end
  73 local function readmagicblock( blocknum )
  74         -- Read block 0
  75         local CSETBLOCK_SINGLE_OPERATION = 0x1F
  76         cmd = Command:new{cmd = cmds.CMD_MIFARE_CGETBLOCK, arg1 = CSETBLOCK_SINGLE_OPERATION, arg2 = 0, arg3 = blocknum}
  77         err = core.SendCommand(cmd:getBytes())
  78         if err then return nil, err end
  79         local block0, err = waitCmd()
  80         if err then return nil, err end
  81         return block0
  82 end
  83
  84 local function main(args)
  85
  86         print( string.rep('--',20) )
  87         print( string.rep('--',20) )
  88
  89         local numBlocks = 64
  90     local cset = 'hf mf csetbl '
  91         local csetuid = 'hf mf csetuid '
  92         local cget = 'hf mf cgetbl '
  93         local empty = '00000000000000000000000000000000'
  94         local AccAndKeyB = '7F078869000000000000'
  95         -- Defaults to Gusto
  96         local toytype = 'C201'
  97         local subtype = '0030'
  98         local DEBUG = true
  99
 100         -- Arguments for the script
 101         for o, a in getopt.getopt(args, 'ht:s:') do
 102                 if o == "h" then return help() end
 103                 if o == "t" then toytype = a end
 104                 if o == "s" then subtype = a end
 105         end
 106
 107         if #toytype ~= 4 then return oops('Wrong size - toytype. (4hex symbols)') end
 108         if #subtype ~= 4 then return oops('Wrong size - subtype. (4hex symbols)') end
 109
 110         -- look up type, find & validate types
 111         local item = toys.Find( toytype, subtype)
 112         if item then
 113                 print( (' Looking up input: Found %s - %s (%s)'):format(item[6],item[5], item[4]) )
 114         else
 115                 print('Didn\'t find item type. If you are sure about it, report it in')
 116         end
 117         --15,16
 118         --13-14
 119
 120
 121         -- find tag
 122         result, err = lib14a.read1443a(false)
 123         if not result then return oops(err)     end
 124
 125         -- load keys
 126         local akeys  = pre.GetAll(result.uid)
 127         local  keyA = akeys:sub(1, 12 )
 128
 129         local b0 = readblock(0,keyA)
 130         if not b0 then
 131                 print('failed reading block with factorydefault key.  Trying chinese magic read.')
 132             b0, err = readmagicblock(0)
 133                 if not b0 then
 134                         oops(err)
 135                         return oops('failed reading block with chinese magic command.  quitting...')
 136                 end
 137         end
 138
 139         -- wipe card.
 140         local cmd  = (csetuid..'%s 0004 08 w'):format(result.uid)
 141         core.console(cmd)
 142
 143         local b1 = toytype..'00000000000000000000'..subtype
 144         local calc = utils.Crc16(b0..b1)
 145         local calcEndian = bor(rsh(calc,8), lsh(band(calc, 0xff), 8))
 146
 147         local cmd  = (cset..'1 %s%04x'):format( b1, calcEndian)
 148         core.console(cmd)
 149
 150         local pos, key
 151         for blockNo = 2, numBlocks-1, 1 do
 152                 pos = (math.floor( blockNo / 4 ) * 12)+1
 153                 key = akeys:sub(pos, pos + 11 )
 154                 if  blockNo%4 == 3 then
 155                         cmd =  ('%s %d %s%s'):format(cset,blockNo,key,AccAndKeyB)
 156                         core.console(cmd)
 157                 end
 158         end
 159         core.clearCommandBuffer()
 160 end
 161 main(args)