From: martin.holst@gmail.com Date: Thu, 3 Oct 2013 13:56:11 +0000 (+0000) Subject: Added a utility script to convert a 'dumpdata.bin'-file into the 'eml'-format that... X-Git-Tag: v1.0.0~64 X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/c9e2f7807e014e7679ddd7af2e984aea537a11b9 Added a utility script to convert a 'dumpdata.bin'-file into the 'eml'-format that the emulator uses. Did not find any built-in way to do this, perhaps such functionality already exists.. ? --- diff --git a/client/scripts/dumptoemul.lua b/client/scripts/dumptoemul.lua new file mode 100644 index 00000000..26e69fcc --- /dev/null +++ b/client/scripts/dumptoemul.lua @@ -0,0 +1,121 @@ +-- The getopt-functionality is loaded from pm3/getopt.lua +-- Have a look there for further details +getopt = require('getopt') +bin = require('bin') + +example = "script run 14araw -x 6000F57b" +author = "Martin Holst Swende" +usage = "script run htmldump [-f ]" +desc =[[ +This script takes a dumpfile from 'hf mf dump' and converts it to a format that can be used +by the emulator + +Arguments: + -h This help + -i Specifies the dump-file (input). If omitted, 'dumpdata.bin' is used + -o Speciies the output file. If omitted, .eml is used. + +]] + +------------------------------- +-- Some utilities +------------------------------- + +--- +-- A debug printout-function +function dbg(args) + if DEBUG then + print("###", args) + end +end +--- +-- 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 + +local function convert_to_ascii(hexdata) + if string.len(hexdata) % 32 ~= 0 then + return oops(("Bad data, length should be a multiple of 32 (was %d)"):format(string.len(hexdata))) + end + + local js,i = "["; + for i = 1, string.len(hexdata),32 do + js = js .."'" ..string.sub(hexdata,i,i+31).."',\n" + end + js = js .. "]" + return js +end + +local function readdump(infile) + t = infile:read("*all") + --print(string.len(t)) + len = string.len(t) + local len,hex = bin.unpack(("H%d"):format(len),t) + --print(len,hex) + return hex +end + +local function convert_to_emulform(hexdata) + if string.len(hexdata) % 32 ~= 0 then + return oops(("Bad data, length should be a multiple of 32 (was %d)"):format(string.len(hexdata))) + end + local ascii,i = ""; + for i = 1, string.len(hexdata),32 do + ascii = ascii ..string.sub(hexdata,i,i+31).."\n" + end + return ascii +end + +local function main(args) + + local input = "dumpdata.bin" + local output + + for o, a in getopt.getopt(args, 'i:o:h') do + if o == "h" then return help() end + if o == "i" then input = a end + if o == "o" then output = a end + end + -- Validate the parameters + + local infile = io.open(input, "r") + if infile == nil then + return oops("Could not read file ", input) + end + local dumpdata = readdump(infile) + -- The hex-data is now in ascii-format, + + -- But first, check the uid + local uid = string.sub(dumpdata,1,8) + output = output or (uid .. ".eml") + + -- Format some linebreaks + dumpdata = convert_to_emulform(dumpdata) + + local outfile = io.open(output, "w") + if outfile == nil then + return oops("Could not write to file ", output) + end + + outfile:write(dumpdata:lower()) + io.close(outfile) + print(("Wrote an emulator-dump to the file %s"):format(output)) +end + + +--[[ +In the future, we may implement so that scripts are invoked directly +into a 'main' function, instead of being executed blindly. For future +compatibility, I have done so, but I invoke my main from here. +--]] +main(args) \ No newline at end of file