local cmds = require('commands')
local getopt = require('getopt')
local lib14b = require('read14b')
local utils = require('utils')
local iso7816 = require('7816_error')
example = "script runs 14b raw commands to query a CAPLYPSO tag"
author = "Iceman, 2016"
desc =
[[
This is a script to communicate with a CALYSPO / 14443b tag using the '14b raw' commands
Arguments:
-b 123
Examples :
script run f -b 11223344
script run f
Examples :
# 1. Connect and don't disconnect
script run f
# 2. Send mf auth, read response
script run f
# 3. disconnect
script run f
]]
--[[
This script communicates with /armsrc/iso14443b.c,
Check there for details about data format and how commands are interpreted on the
device-side.
]]
---
--
local function calypso_switch_on_field()
local flags = lib14b.ISO14B_COMMAND.ISO14B_CONNECT
local c = Command:new{cmd = cmds.CMD_ISO_14443B_COMMAND, arg1 = flags}
return lib14b.sendToDevice(c, true)
end
---
-- Disconnect (poweroff) the antenna forcing a disconnect of a 14b tag.
local function calypso_switch_off_field()
local flags = lib14b.ISO14B_COMMAND.ISO14B_DISCONNECT
local c = Command:new{cmd = cmds.CMD_ISO_14443B_COMMAND, arg1 = flags}
return lib14b.sendToDevice(c, true)
end
local function calypso_parse(result)
local r = Command.parse(result)
local len = r.arg2 * 2
r.data = string.sub(r.data, 0, len);
print('GOT:', r.data)
if r.arg1 == 0 then
return r, nil
end
return nil,nil
end
---
-- A debug printout-function
local function dbg(args)
if DEBUG then
print("###", args)
end
end
---
-- This is only meant to be used when errors occur
local function oops(err)
print("ERROR: ",err)
calypso_switch_off_field()
return nil,err
end
---
-- Usage help
local function help()
print(desc)
print("Example usage")
print(example)
end
--
-- helper function, give current count of items in lua-table.
local function tablelen(T)
local count = 0
for _ in pairs(T) do count = count + 1 end
return count
end
---
-- helper function, gives a sorted table from table t,
-- order can be a seperate sorting-order function.
local function spairs(t, order)
-- collect the keys
local keys = {}
for k in pairs(t) do keys[#keys+1] = k end
-- if order function given, sort by it by passing the table and keys a, b,
-- otherwise just sort the keys
if order then
table.sort(keys, function(a,b) return order(t, a, b) end)
else
table.sort(keys)
end
-- return the iterator function
local i = 0
return function()
i = i + 1
if keys[i] then
return keys[i], t[keys[i]]
end
end
end
---
-- Sends a usbpackage , "hf 14b raw"
-- if it reads the response, it converts it to a lua object "Command" first and the Data is cut to correct length.
local function calypso_send_cmd_raw(data, ignoreresponse )
local command, flags, result, err
flags = lib14b.ISO14B_COMMAND.ISO14B_RAW +
lib14b.ISO14B_COMMAND.ISO14B_APPEND_CRC
data = data or "00"
command = Command:new{cmd = cmds.CMD_ISO_14443B_COMMAND,
arg1 = flags,
arg2 = #data/2, -- LEN of data, half the length of the ASCII-string hex string
arg3 = 0,
data = data} -- data bytes (commands etc)
result, err = lib14b.sendToDevice(command, false)
if ignoreresponse then return response, err end
if result then
local r = calypso_parse(result)
return r, nil
end
return respone, err
end
---
-- calypso_card_num : Reads card number from ATR and
-- writes it in the tree in decimal format.
local function calypso_card_num(card)
if not card then return end
local card_num = tonumber( card.uid:sub(1,8),16 )
print('Card UID', card.uid)
print('Card Number', card_num)
end
---
-- analyse CALYPSO apdu status bytes.
local function calypso_apdu_status(apdu)
-- last two is CRC
-- next two is APDU status bytes.
local status = false
local mess = 'FAIL'
local sw = apdu:sub( #apdu-7, #apdu-4)
desc, err = iso7816.tostring(sw)
print ('SW', sw, desc, err )
status = ( sw == '9000' )
return status
end
local _calypso_cmds = {
-- Break down of command bytes:
-- A4 = select
-- Master File 3F00
-- 0x3F = master file
-- 0x00 = master file id, is constant to 0x00.
-- DF Dedicated File 38nn
-- can be seen as directories
-- 0x38
-- 0xNN id
-- ["01.Select ICC file"] = '0294 a4 080004 3f00 0002',
-- EF Elementary File
-- EF1 Pin file
-- EF2 Key file
-- Grey Lock file
-- Electronic deposit file
-- Electronic Purse file
-- Electronic Transaction log file
--["01.Select ICC file"] = '0294 a4 00 0002 3f00',
["01.Select ICC file"] = '0294 a4 080004 3f00 0002',
["02.ICC"] = '0394 b2 01 041d',
["03.Select EnvHol file"] = '0294 a4 080004 2000 2001',
["04.EnvHol1"] = '0394 b2 01 041d',
["05.Select EvLog file"] = '0294 a4 080004 2000 2010',
["06.EvLog1"] = '0394 b2 01 041d',
["07.EvLog2"] = '0294 b2 02 041d',
["08.EvLog3"] = '0394 b2 03 041d',
["09.Select ConList file"] ='0294 a4 080004 2000 2050',
["10.ConList"] = '0394 b2 01 041d',
["11.Select Contra file"] = '0294 a4 080004 2000 2020',
["12.Contra1"] = '0394 b2 01 041d',
["13.Contra2"] = '0294 b2 02 041d',
["14.Contra3"] = '0394 b2 03 041d',
["15.Contra4"] = '0294 b2 04 041d',
["16.Select Counter file"]= '0394 a4 080004 2000 2069',
["17.Counter"] = '0294 b2 01 041d',
["18.Select SpecEv file"]= '0394 a4 080004 2000 2040',
["19.SpecEv1"] = '0294 b2 01 041d',
}
---
-- The main entry point
function main(args)
local data, apdu, flags, uid, cid, result, err, card
-- Read the parameters
for o, a in getopt.getopt(args, 'h') do
if o == "h" then return help() end
end
calypso_switch_on_field()
-- Select 14b tag.
card, err = lib14b.waitFor14443b()
if not card then return oops(err) end
calypso_card_num(card)
cid = card.cid
--[[
NAME VALUE APDU_POS
PCB 0x0A 0
CID 0x00 1
CLA 0x94 2
SELECT FILE 0xA4 3
READ FILE 0xB2 3
P1 4
P2 5
LEN_
0 1 2 3 4 5 6 7
apdu = '02 94 a4 08 00 04 3f 00 00 02' --select ICC file
DF_NAME = "1TIC.ICA"
--]]
--for i = 1,10 do
--result, err = calypso_send_cmd_raw('0294a40800043f000002',false) --select ICC file
for i, apdu in spairs(_calypso_cmds) do
print('>>', i )
apdu = apdu:gsub("%s+","")
result, err = calypso_send_cmd_raw(apdu , false)
if result then
calypso_apdu_status(result.data)
print('<<', result.data )
else
print('<< no answer')
end
end
calypso_switch_off_field()
end
---
-- a simple selftest function, tries to convert
function selftest()
DEBUG = true
dbg("Performing test")
dbg("Tests done")
end
-- Flip the switch here to perform a sanity check.
-- It read a nonce in two different ways, as specified in the usage-section
if "--test"==args then
selftest()
else
-- Call the main
main(args)
end