Merge pull request #707 from Windslab/master

A lot of improvements
This commit is contained in:
Philippe Teuwen 2020-04-21 21:22:07 +02:00 committed by GitHub
commit 73c4a37684
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@ -1,7 +1,14 @@
local utils = require('utils')
local getopt = require('getopt')
local cmds = require('commands')
local read14a = require('read14a')
--
---
-------------------------------
-- Notes
-------------------------------
---
--
--[[
---Suggestions of improvement:
--- Add support another types of dumps: BIN, JSON
@ -16,7 +23,13 @@ local read14a = require('read14a')
-- doesn't verify that card is magic gen3.
-- doesn't take several versions of same dump ( -1, -2, -3 ) styles.
--]]
--
---
-------------------------------
-- Script hat
-------------------------------
---
--
copyright = ''
author = 'Winds'
version = 'v1.0.0'
@ -25,7 +38,7 @@ desc = [[
Works with both 4 and 7 bytes NXP MIFARE Classic 1K cards.
The script also has the possibility to change UID and permanent lock uid on magic Gen3 cards.
It supports the following functionality.
1. Write it to the same of current card UID.
@ -33,7 +46,7 @@ desc = [[
3. Change uid to match dump on magic Gen3 card.
4. Permanent lock UID on magic Gen3 card.
5. Erase all data at the card and set the FF FF FF FF FF FF keys, and Access Conditions to 78778800.
Script works in a wizard styled way.
]]
example = [[
@ -42,16 +55,33 @@ example = [[
usage = [[
Select your *.eml dump from list to write to the card.
]]
-- Some globals
local DEBUG = false -- the debug flag
-------------------------------
-- Some utilities
-------------------------------
--
---
-------------------------------
-- Global variables
-------------------------------
---
--
local DEBUG = false -- the debug flag
local files = {} -- Array for eml files
local b_keys = {} -- Array for B keys
local eml = {} -- Array for data in block 32
local num_dumps = 0 -- num of found eml dump files
local tab = string.rep('-', 64)
local empty = string.rep('0', 32) -- Writing blocks
local default_key = 'FFFFFFFFFFFF' -- Writing blocks
local default_key_type = '01' --KeyA: 00, KeyB: 01
local default_key_blk = 'FFFFFFFFFFFF78778800FFFFFFFFFFFF' -- Writing blocks
local piswords_uid_lock = 'hf 14a raw -s -c -t 2000 90fd111100'
local piswords_uid_change = 'hf 14a raw -s -c -t 2000 90f0cccc10'
local cmd_wrbl = 'hf mf wrbl %d B %s %s' -- Writing blocks
--
---
-------------------------------
-- A debug printout-function
-------------------------------
---
--
local function dbg(args)
if not DEBUG then return end
if type(args) == 'table' then
@ -64,15 +94,25 @@ local function dbg(args)
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)
@ -82,85 +122,171 @@ local function help()
print(example)
print(usage)
end
--
---
-------------------------------
-- GetUID
-------------------------------
---
--
local function GetUID()
return read14a.read(true, true).uid
end
---
--
local function dropfield()
read14a.disconnect()
core.clearCommandBuffer()
end
--
---
-------------------------------
-- Wait for tag (MFC)
-------------------------------
---
--
local function wait()
read14a.waitFor14443a()
end
--
---
-------------------------------
-- Check 0xFFFFFFFFFFFF key for tag (MFC)
-------------------------------
---
--
local function getblockdata(response)
if response.Status == 0 then
return true
else
return false
end
end
--
local function checkkey()
local status = 0
for i = 1, #eml do
cmd = Command:newNG{cmd = cmds.CMD_HF_MIFARE_READBL, data = ('%02s%02s%s'):format((i-1), default_key_type, default_key)}
if (getblockdata(cmd:sendNG(false)) == true) then
status = status + 1
if default_key_type == '00' then
print(('%s %02s %s %s %s'):format('Block:', (i-1), 'KeyA', default_key, 'OK'))
else
print(('%s %02s %s %s %s'):format('Block:', (i-1), 'KeyB', default_key, 'OK'))
end
else
break
end
end
if status == #eml then
return true
end
end
--
---
-------------------------------
-- Check Pissword backdor
-------------------------------
---
--
local function checkmagic()
--Have no RAW ISO14443A command in appmain.c
cmd = Command:newNG{cmd = cmds.CMD_HF_ISO14443A_READER, data = piswords_uid_change .. GetUID()} -- sample check to pull the same UID to card and check response
if (getblockdata(cmd:sendNG(false)) == true) then
print('Magic')
else
print('Not magic')
end
end
--
---
-------------------------------
-- Main function
-------------------------------
---
--
local function main(args)
-- Arguments for the script
--
---
-------------------------------
-- Arguments for script
-------------------------------
---
--
for o, a in getopt.getopt(args, 'hd') do
if o == 'h' then return help() end
if o == 'd' then DEBUG = true end
end
local files = {} -- Array for eml files
local b_keys = {} -- Array for B keys
local eml = {} -- Array for data in block 32
local num_dumps = 0 -- num of found eml dump files
local tab = string.rep('-', 64)
--
wait()
print(tab)
local length = 25
local e = 16
-- Detect 7 byte card
--
---
-------------------------------
-- Detect 7/4 byte card
-------------------------------
---
--
if string.len(GetUID()) == 14 then
length = 31
e = 22
eml_file_uid_start = 18 -- For windows with '---------- ' prefix
eml_file_uid_end = 31
eml_file_lengt = 40
else
eml_file_uid_start = 18 -- For windows with '---------- ' prefix
eml_file_uid_end = 25
eml_file_lengt = 34
end
dropfield()
---List all EML files in /client
local dumpEML = "find '.' -iname '*dump.eml' -type f"
--
---
-------------------------------
-- List all EML files in /client
-------------------------------
---
--
local dumpEML = 'find "." "*dump.eml"' -- Fixed for windows
local p = assert(io.popen(dumpEML))
for _ in p:lines() do
-- The length of eml file
if string.len(_) == length then
if string.len(_) == eml_file_lengt then
num_dumps = num_dumps + 1
-- cut UID from eml file
files[num_dumps] = string.sub(_, 9, e)
-- cut UID from eml file
files[num_dumps] = string.sub(_, eml_file_uid_start, eml_file_uid_end) -- cut numeretic UID
print(' '..num_dumps..' | '..files[num_dumps])
end
end
--
p.close()
--
if num_dumps == 0 then return oops("Didn't find any dump files") end
--
print(tab)
print(' Your card has UID '..GetUID())
print('')
print(' Select which dump to write (1 until '..num_dumps..')')
print(tab)
io.write(' --> ')
local no = tonumber(io.read())
--
local uid_no = tonumber(io.read())
print(tab)
print(' You have been selected card dump ' .. no .. ', with UID : '..files[no])
--- Load eml file
local dumpfile = assert(io.open('./hf-mf-' .. files[no] .. '-dump.eml', 'r'))
print(' You have been selected card dump No ' .. uid_no .. ', with UID: ' .. files[uid_no] .. '. Your card UID: ' .. GetUID())
--
--
---
-------------------------------
-- Load eml file
-------------------------------
---
--
local dumpfile = assert(io.open('./hf-mf-' .. files[uid_no] .. '-dump.eml', 'r'))
for _ in dumpfile:lines() do table.insert(eml, _); end
dumpfile.close()
--- Extract B key from EML file
--
---
-------------------------------
-- Extract B key from EML file
-------------------------------
---
--
local b = 0
for i = 1, #eml do
if (i % 4 == 0) then
@ -174,38 +300,44 @@ local function main(args)
print(tab)
dbg(b_keys)
dbg(eml)
--- Change UID on certain version of magic Gen3 card.
--
---
-------------------------------
-- Change UID on certain version of magic Gen3 card.
-------------------------------
---
--
if (utils.confirm(' Change UID ?') == true) then
wait()
--core.console('hf 14a raw -s -c -t 2000 90f0cccc10'..tostring(eml[1]))
print('hf 14a raw -s -c -t 2000 90f0cccc10'..tostring(eml[1]))
core.console(piswords_uid_change .. tostring(eml[1]))
print(tab)
print(' The new card UID : ' .. GetUID())
end
end
print(tab)
--- Lock UID
--checkmagic()
--
---
-------------------------------
-- Lock UID
-------------------------------
---
--
if (utils.confirm(' Permanent lock UID ? (card can never change uid again) ') == true) then
wait()
core.console('hf 14a raw -s -c -t 2000 90fd111100')
core.console(piswords_uid_lock)
end
--
print(tab)
--- Writing blocks
local default_key = 'FFFFFFFFFFFF'
local default_key_blk = 'FFFFFFFFFFFF78778800FFFFFFFFFFFF'
local empty = string.rep('0', 32)
local cmd_wrbl = 'hf mf wrbl %d B %s %s'
if (utils.confirm(' Are you using a empty card with default key?') == true) then
wait()
for i = 1, #eml do
core.console(string.format(cmd_wrbl, (i-1), default_key, eml[i]))
--
if checkkey() == true then
if (utils.confirm(' Card is Empty. Write selected dump to card ?') == true) then
for i = 1, #eml do
core.console(string.format(cmd_wrbl, (i-1), default_key, eml[i]))
end
end
else
print(tab)
if (utils.confirm(' Delete ALL data and write all keys to 0x'..default_key..' ?') == true) then
if (utils.confirm(' Delete ALL data and write all keys to 0x' .. default_key .. ' ?') == true) then
wait()
for i = 1, #eml do
if (i % 4 == 0) then
@ -216,16 +348,24 @@ local function main(args)
end
else
print(tab)
print('Writing to card')
wait()
for i = 1, #eml do
core.console(string.format(cmd_wrbl, (i-1), b_keys[i], eml[i]))
if (utils.confirm(' Write selected dump to card ?') == true) then
print(tab)
wait()
for i = 1, #eml do
core.console(string.format(cmd_wrbl, (i-1), b_keys[i], eml[i]))
end
end
end
end
dropfield()
print(tab)
print('Done')
print('You are welcome')
end
--
---
-------------------------------
-- Start Main function
-------------------------------
---
--
main(args)