client/luascripts/hf_14a_read_ltocm.lua

   1 local cmds = require('commands')
   2 local getopt = require('getopt')
   3 local lib14a = require('read14a')
   4 local utils = require('utils')
   5 local ansicolors  = require('ansicolors')
   6
   7 copyright = ''
   8 author = 'Kevin'
   9 version = 'v1.0.2'
  10 desc = [[
  11 This is a script that reads LTO-CM  ISO14443a tags.
  12 It starts from block 0 and ends at default block 254.
  13 ]]
  14 example = [[
  15     -- default
  16     script run hf_14a_read-ltocm
  17
  18     -- stop at block 10
  19     script run hf_14a_read-ltocm -e 10
  20 ]]
  21 usage = [[
  22 script run hf_14a_read-ltocm -h -s -e
  23 ]]
  24 arguments = [[
  25       h   this helptext
  26       s   start block in decimal
  27       e   end block in decimal
  28 ]]
  29
  30 -- Some globals
  31 local DEBUG = false -- the debug flag
  32 local lshift = bit32.lshift
  33 local band = bit32.band
  34 ---
  35 -- A debug printout-function
  36 local function dbg(args)
  37     if not DEBUG then return end
  38     if type(args) == 'table' then
  39         local i = 1
  40         while args[i] do
  41             dbg(args[i])
  42             i = i+1
  43         end
  44     else
  45         print('###', args)
  46     end
  47 end
  48 ---
  49 -- This is only meant to be used when errors occur
  50 local function oops(err)
  51     print('ERROR:', err)
  52     core.clearCommandBuffer()
  53     return nil, err
  54 end
  55 ---
  56 -- Usage help
  57 local function help()
  58     print(copyright)
  59     print(author)
  60     print(version)
  61     print(desc)
  62     print(ansicolors.cyan..'Usage'..ansicolors.reset)
  63     print(usage)
  64     print(ansicolors.cyan..'Arguments'..ansicolors.reset)
  65     print(arguments)
  66     print(ansicolors.cyan..'Example usage'..ansicolors.reset)
  67     print(example)
  68 end
  69
  70 local function sendRaw(rawdata, options)
  71
  72     local flags = lib14a.ISO14A_COMMAND.ISO14A_NO_DISCONNECT + lib14a.ISO14A_COMMAND.ISO14A_RAW
  73
  74     if options.connect then
  75         flags = flags + lib14a.ISO14A_COMMAND.ISO14A_CONNECT
  76     end
  77
  78     if options.no_select then
  79         flags = flags + lib14a.ISO14A_COMMAND.ISO14A_NO_SELECT
  80     end
  81
  82     if options.append_crc then
  83         flags = flags + lib14a.ISO14A_COMMAND.ISO14A_APPEND_CRC
  84     end
  85
  86     local arg2 = #rawdata / 2
  87     if options.bits7 then
  88        arg2 = arg2 + tonumber(lshift(7, 16))
  89     end
  90
  91     local command = Command:newMIX{cmd = cmds.CMD_HF_ISO14443A_READER,
  92                                 arg1 = flags, -- Send raw
  93                                 -- arg2 contains the length, which is half the length
  94                                 -- of the ASCII-string rawdata
  95                                 arg2 = arg2,
  96                                 data = rawdata}
  97     return command:sendMIX(options.ignore_response)
  98 end
  99
 100 ---
 101 -- get hex data from response
 102 local function getdata(usbpacket)
 103     local cmd_response = Command.parse(usbpacket)
 104     local len = tonumber(cmd_response.arg1) * 2
 105     return string.sub(tostring(cmd_response.data), 0, len)
 106 end
 107
 108 ---
 109 -- helper function to send payloads easier
 110 local function send(payload, options)
 111     local res, err = sendRaw(payload, options)
 112     if err then
 113         lib14a.disconnect()
 114         return oops(err)
 115     end
 116     core.clearCommandBuffer()
 117     if options.ignore_response then
 118         return "ok", nil
 119     else
 120         return res, err
 121     end
 122 end
 123
 124 ---
 125 -- The main entry point
 126 function main(args)
 127
 128     local startblock = 0
 129     local endblock = 254
 130     -- Read the parameters
 131     for o, a in getopt.getopt(args, 'hs:e:') do
 132         if o == 'h' then return help() end
 133         if o == 's' then startblock = a end
 134         if o == 'e' then endblock = a end
 135     end
 136
 137 -- Original loop
 138 --    core.console("hf 14a raw -a -k -b 7 45")
 139 --    local cmd_select = string.format("hf 14a raw -c -k 9370%s", serial_number)
 140 --    core.console(cmd_select)
 141 --    for i = 0, 254 do
 142 --      local cmd_rd_blk = string.format("hf 14a raw -c -k 30 %02x", i)
 143 --      core.console(cmd_rd_blk)
 144 --      core.console("hf 14a raw -k 80")
 145 --    end
 146 --   core.console("hf 14a raw -r")
 147
 148     -- Wakeup
 149     local payload = "45"
 150     local res, err = send(payload,{connect = true, no_select = true, ignore_response = false, append_crc = false, bits7 = true})
 151     if err then return end
 152
 153     -- start selecting
 154     payload = "9320"
 155     res, err = send(payload,{ignore_response = false, append_crc = false})
 156     if err then return end
 157
 158     local serial_number = getdata(res)
 159     payload = "9370"..serial_number
 160     res, err = send(payload,{ignore_response = false, append_crc = true})
 161     if err then return end
 162
 163     -- Show tag info
 164     print(('\nFound LTO-CM serial number: [%s]\n'):format(serial_number))
 165
 166     -- Dumping data
 167     print('blk | data             ')
 168     print('----+------------------')
 169     local block_data = {}
 170     for block = startblock, endblock do
 171
 172         payload = string.format('30%02x', block)
 173         res, err = send(payload , {ignore_response = false, append_crc = true})
 174         if err then return end
 175
 176         local d0_d15 = getdata(res)
 177
 178         payload = "80"
 179         res, err = send(payload, {ignore_response = false, append_crc = false})
 180         if err then return end
 181
 182         local d16_d31 = getdata(res)
 183
 184         -- remove crc bytes
 185         d0_d15 = string.sub(d0_d15, 0, #d0_d15 - 4)
 186         d16_d31 = string.sub(d16_d31, 0, #d16_d31 - 4)
 187
 188         print(block, d0_d15..d16_d31)
 189         table.insert(block_data, d0_d15..d16_d31)
 190     end
 191     print("----+------------------")
 192     lib14a.disconnect()
 193
 194     local filename, err = utils.WriteDumpFile(serial_number, block_data)
 195     if err then return oops(err) end
 196
 197     print(string.format('\nDumped data into %s', filename))
 198 end
 199
 200 main(args)