proxmark3/client/luascripts/hf_14a_read-ltocm.lua
2020-10-01 00:29:53 +02:00

200 lines
5.3 KiB
Lua

local cmds = require('commands')
local getopt = require('getopt')
local lib14a = require('read14a')
local utils = require('utils')
local ansicolors = require('ansicolors')
copyright = ''
author = 'Kevin'
version = 'v1.0.2'
desc = [[
This is a script that reads LTO-CM ISO14443a tags.
It starts from block 0 and ends at default block 254.
]]
example = [[
-- default
script run hf_14a_read-ltocm
-- stop at block 10
script run hf_14a_read-ltocm -e 10
]]
usage = [[
script run hf_14a_read-ltocm -h -s -e
]]
arguments = [[
h this helptext
s start block in decimal
e end block in decimal
]]
-- Some globals
local DEBUG = false -- the debug flag
local lshift = bit32.lshift
local band = bit32.band
---
-- A debug printout-function
local function dbg(args)
if not DEBUG then return end
if type(args) == 'table' then
local i = 1
while args[i] do
dbg(args[i])
i = i+1
end
else
print('###', args)
end
end
---
-- This is only meant to be used when errors occur
local function oops(err)
print('ERROR:', err)
core.clearCommandBuffer()
return nil, err
end
---
-- Usage help
local function help()
print(copyright)
print(author)
print(version)
print(desc)
print(ansicolors.cyan..'Usage'..ansicolors.reset)
print(usage)
print(ansicolors.cyan..'Arguments'..ansicolors.reset)
print(arguments)
print(ansicolors.cyan..'Example usage'..ansicolors.reset)
print(example)
end
local function sendRaw(rawdata, options)
local flags = lib14a.ISO14A_COMMAND.ISO14A_NO_DISCONNECT + lib14a.ISO14A_COMMAND.ISO14A_RAW
if options.connect then
flags = flags + lib14a.ISO14A_COMMAND.ISO14A_CONNECT
end
if options.no_select then
flags = flags + lib14a.ISO14A_COMMAND.ISO14A_NO_SELECT
end
if options.append_crc then
flags = flags + lib14a.ISO14A_COMMAND.ISO14A_APPEND_CRC
end
local arg2 = #rawdata / 2
if options.bits7 then
arg2 = arg2 + tonumber(lshift(7, 16))
end
local command = Command:newMIX{cmd = cmds.CMD_HF_ISO14443A_READER,
arg1 = flags, -- Send raw
-- arg2 contains the length, which is half the length
-- of the ASCII-string rawdata
arg2 = arg2,
data = rawdata}
return command:sendMIX(options.ignore_response)
end
---
-- get hex data from response
local function getdata(usbpacket)
local cmd_response = Command.parse(usbpacket)
local len = tonumber(cmd_response.arg1) * 2
return string.sub(tostring(cmd_response.data), 0, len)
end
---
-- helper function to send payloads easier
local function send(payload, options)
local res, err = sendRaw(payload, options)
if err then
lib14a.disconnect()
return oops(err)
end
core.clearCommandBuffer()
if options.ignore_response then
return "ok", nil
else
return res, err
end
end
---
-- The main entry point
function main(args)
local startblock = 0
local endblock = 254
-- Read the parameters
for o, a in getopt.getopt(args, 'hs:e:') do
if o == 'h' then return help() end
if o == 's' then startblock = a end
if o == 'e' then endblock = a end
end
-- Original loop
-- core.console("hf 14a raw -a -k -b 7 45")
-- local cmd_select = string.format("hf 14a raw -c -k 9370%s", serial_number)
-- core.console(cmd_select)
-- for i = 0, 254 do
-- local cmd_rd_blk = string.format("hf 14a raw -c -k 30 %02x", i)
-- core.console(cmd_rd_blk)
-- core.console("hf 14a raw -k 80")
-- end
-- core.console("hf 14a raw -r")
-- Wakeup
local payload = "45"
local res, err = send(payload,{connect = true, no_select = true, ignore_response = false, append_crc = false, bits7 = true})
if err then return end
-- start selecting
payload = "9320"
res, err = send(payload,{ignore_response = false, append_crc = false})
if err then return end
local serial_number = getdata(res)
payload = "9370"..serial_number
res, err = send(payload,{ignore_response = false, append_crc = true})
if err then return end
-- Show tag info
print(('\nFound LTO-CM serial number: [%s]\n'):format(serial_number))
-- Dumping data
print('blk | data ')
print('----+------------------')
local block_data = {}
for block = startblock, endblock do
payload = string.format('30%02x', block)
res, err = send(payload , {ignore_response = false, append_crc = true})
if err then return end
local d0_d15 = getdata(res)
payload = "80"
res, err = send(payload, {ignore_response = false, append_crc = false})
if err then return end
local d16_d31 = getdata(res)
-- remove crc bytes
d0_d15 = string.sub(d0_d15, 0, #d0_d15 - 4)
d16_d31 = string.sub(d16_d31, 0, #d16_d31 - 4)
print(block, d0_d15..d16_d31)
table.insert(block_data, d0_d15..d16_d31)
end
print("----+------------------")
lib14a.disconnect()
local filename, err = utils.WriteDumpFile(serial_number, block_data)
if err then return oops(err) end
print(string.format('\nDumped data into %s', filename))
end
main(args)