proxmark3/client/scripts/emul2dump.lua

local getopt = require('getopt')
local bin = require('bin')
local dumplib = require('html_dumplib')

example =[[
    1. script run emul2dump
    2. script run emul2dump -i myfile.eml
    3. script run emul2dump -i myfile.eml -o myfile.bin
]]
author = "Iceman"
usage = "script run emul2dump [-i <file>] [-o <file>]"
desc =[[
This script takes an dumpfile on EML (ASCII) format and converts it to the PM3 dumpbin file to be used with "hf mf restore"

Arguments:
    -h              This help
    -i <filename>   Specifies the dump-file (input). If omitted, 'dumpdata.eml' is used
    -o <filename>   Specifies the output file. If omitted, <currdate>.bin is used.
]]

---
-- This is only meant to be used when errors occur
function oops(err)
    print("ERROR: ",err)
end
---
-- Usage help
function help()
    print(desc)
    print("Example usage")
    print(example)
end
--
-- Exit message
function ExitMsg(msg)
    print( string.rep('--',20) )
    print( string.rep('--',20) )
    print(msg)
    print()
end

local function main(args)

    local input = "dumpdata.eml"
    local output  = os.date("%Y-%m-%d_%H%M%S.bin");

    -- Arguments for the script
    for o, a in getopt.getopt(args, 'hi:o:') do
        if o == "h" then return help() end
        if o == "i" then input = a end
        if o == "o" then output = a end
    end

    local filename, err = dumplib.convert_eml_to_bin(input,output)
    if err then return oops(err) end

    ExitMsg(("Wrote a BIN dump to the file %s"):format(filename))
end

main(args)