proxmark3/client/lualibs/read14a.lua
2018-01-25 13:43:01 +08:00

153 lines
4.3 KiB
Lua

--[[
This is a library to read 14443a tags. It can be used something like this
local reader = require('read14a')
result, err = reader.read14443a()
if not result then
print(err)
return
end
print(result.name)
--]]
-- Loads the commands-library
local cmds = require('commands')
local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
local ISO14A_COMMAND = {
ISO14A_CONNECT = 1,
ISO14A_NO_DISCONNECT = 2,
ISO14A_APDU = 4,
ISO14A_RAW = 8,
ISO14A_REQUEST_TRIGGER = 0x10,
ISO14A_APPEND_CRC = 0x20,
ISO14A_SET_TIMEOUT = 0x40,
ISO14A_NO_SELECT = 0x80,
ISO14A_TOPAZMODE = 0x100,
ISO14A_NO_RATS = 0x200
}
local ISO14443a_TYPES = {}
ISO14443a_TYPES[0x00] = "NXP MIFARE Ultralight | Ultralight C"
ISO14443a_TYPES[0x01] = "NXP MIFARE TNP3xxx Activision Game Appliance"
ISO14443a_TYPES[0x04] = "NXP MIFARE (various !DESFire !DESFire EV1)"
ISO14443a_TYPES[0x08] = "NXP MIFARE CLASSIC 1k | Plus 2k"
ISO14443a_TYPES[0x09] = "NXP MIFARE Mini 0.3k"
ISO14443a_TYPES[0x10] = "NXP MIFARE Plus 2k"
ISO14443a_TYPES[0x11] = "NXP MIFARE Plus 4k"
ISO14443a_TYPES[0x18] = "NXP MIFARE Classic 4k | Plus 4k"
ISO14443a_TYPES[0x20] = "NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k | JCOP 31/41"
ISO14443a_TYPES[0x24] = "NXP MIFARE DESFire | DESFire EV1"
ISO14443a_TYPES[0x28] = "JCOP31 or JCOP41 v2.3.1"
ISO14443a_TYPES[0x38] = "Nokia 6212 or 6131 MIFARE CLASSIC 4K"
ISO14443a_TYPES[0x88] = "Infineon MIFARE CLASSIC 1K"
ISO14443a_TYPES[0x98] = "Gemplus MPCOS"
local function tostring_14443a(sak)
return ISO14443a_TYPES[sak] or ("Unknown (SAK=%x)"):format(sak)
end
local function parse14443a(data)
--[[
Based on this struct :
typedef struct {
byte_t uid[10];
byte_t uidlen;
byte_t atqa[2];
byte_t sak;
byte_t ats_len;
byte_t ats[256];
} __attribute__((__packed__)) iso14a_card_select_t;
--]]
local count,uid,uidlen, atqa, sak, ats_len, ats= bin.unpack('H10CH2CC',data)
uid = uid:sub(1,2*uidlen)
--print("uid, atqa, sak: ",uid, atqa, sak)
--print("TYPE: ", tostring_14443a(sak))
return { uid = uid, atqa = atqa, sak = sak, name = tostring_14443a(sak)}
end
--- Sends a USBpacket to the device
-- @param command - the usb packet to send
-- @param ignoreresponse - if set to true, we don't read the device answer packet
-- which is usually recipe for fail. If not sent, the host will wait 2s for a
-- response of type CMD_ACK
-- @return packet,nil if successfull
-- nil, errormessage if unsuccessfull
local function sendToDevice(command, ignoreresponse)
core.clearCommandBuffer()
local err = core.SendCommand(command:getBytes())
if err then
print(err)
return nil, err
end
if ignoreresponse then return nil,nil end
local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
return response,nil
end
-- This function does a connect and retrieves som einfo
-- @param dont_disconnect - if true, does not disable the field
-- @param no_rats - if true, skips ISO14443-4 select (RATS)
-- @return if successfull: an table containing card info
-- @return if unsuccessfull : nil, error
local function read14443a(dont_disconnect, no_rats)
local command, result, info, err, data
command = Command:new{cmd = cmds.CMD_READER_ISO_14443a,
arg1 = ISO14A_COMMAND.ISO14A_CONNECT}
if dont_disconnect then
command.arg1 = command.arg1 + ISO14A_COMMAND.ISO14A_NO_DISCONNECT
end
if no_rats then
command.arg1 = command.arg1 + ISO14A_COMMAND.ISO14A_NO_RATS
end
local result,err = sendToDevice(command)
if result then
local count,cmd,arg0,arg1,arg2 = bin.unpack('LLLL',result)
if arg0 == 0 then
return nil, "iso14443a card select failed"
end
data = string.sub(result,count)
info, err = parse14443a(data)
else
err ="No response from card"
end
if err then
print(err)
return nil, err
end
return info
end
---
-- Waits for a mifare card to be placed within the vicinity of the reader.
-- @return if successfull: an table containing card info
-- @return if unsuccessfull : nil, error
local function waitFor14443a()
print("Waiting for card... press any key to quit")
while not core.ukbhit() do
res, err = read14443a()
if res then return res end
-- err means that there was no response from card
end
return nil, "Aborted by user"
end
local library = {
read14443a = read14443a,
read = read14443a,
waitFor14443a = waitFor14443a,
parse14443a = parse14443a,
sendToDevice = sendToDevice,
ISO14A_COMMAND = ISO14A_COMMAND,
}
return library