mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-08-14 18:48:13 -07:00
first cleanup of hf_legic lua script. All io.open calls is problematic.\nfixed some colors in the help texts. makes it a bit easier to read\nfix loading files using the searchfile call\nstill problematic with save file calls since it should honor the user defined preference paths.
This commit is contained in:
iceman1001
parent
60cc36b398
commit
d08c6f404b
2 changed files with 175 additions and 129 deletions
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@ -96,10 +96,63 @@ Known issues; needs to be fixed:
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* last byte in last segment is handled incorrectly when it is the last bytes on the card itself (MIM256: => byte 256)
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--]]
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---
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-- requirements
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local utils = require('utils')
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local getopt = require('getopt')
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local ansicolors = require('ansicolors')
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---
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-- global variables / defines
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local bxor = bit32.bxor
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local bbit = bit32.extract
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local input = utils.input
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local confirm = utils.confirm
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---
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-- init ansicolor-values & ansicolors switch
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local colored_output = true
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local acoff = ""
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local acgreen= ""
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local accyan = ""
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local acred = ""
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local acyellow = ""
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local acblue = ""
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local acmagenta = ""
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local acy = ansicolors.yellow
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local acr = ansicolors.reset
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--- Helper ---
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---
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-- default colors (change to whatever you want)
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function load_colors(onoff)
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if (onoff) then
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-- colors
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acgreen = ansicolors.green
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accyan = ansicolors.cyan
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acred = ansicolors.red
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acyellow= ansicolors.yellow
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acblue = ansicolors.blue
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acmagenta= ansicolors.magenta
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acoff = ansicolors.reset
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else
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-- 'no color'
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acgreen = ""
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accyan = ""
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acred = ""
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acyellow= ""
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acblue = ""
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acmagenta= ""
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acoff = ""
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end
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end
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example = "script run hf_legic"
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author = "Mosci, uhei"
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version = "1.0.4"
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version = "1.0.5"
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desc =
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[[
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@ -109,23 +162,23 @@ it's kinda interactive with following commands in three categories:
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Data I/O Segment Manipulation Token-Data
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----------------- -------------------- -----------------
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rt => read Tag as => add Segment mt => make Token
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wt => write Tag es => edit Segment Header et => edit Token data
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ed => edit Segment Data tk => toggle KGH-Flag
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File I/O rs => remove Segment
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----------------- cc => check Segment-CRC
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lf => load bin File ck => check KGH
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sf => save eml/bin File ds => dump Segments
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xf => xor to File
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]]..acy..[[rt]]..acr..[[ => read Tag ]]..acy..[[as]]..acr..[[ => add Segment ]]..acy..[[mt]]..acr..[[ => make Token
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]]..acy..[[wt]]..acr..[[ => write Tag ]]..acy..[[es]]..acr..[[ => edit Segment Header ]]..acy..[[et]]..acr..[[ => edit Token data
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]]..acy..[[ed]]..acr..[[ => edit Segment Data ]]..acy..[[tk]]..acr..[[ => toggle KGH-Flag
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File I/O ]]..acy..[[rs]]..acr..[[ => remove Segment
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----------------- ]]..acy..[[cc]]..acr..[[ => check Segment-CRC
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]]..acy..[[lf]]..acr..[[ => load bin File ]]..acy..[[ck]]..acr..[[ => check KGH
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]]..acy..[[sf]]..acr..[[ => save eml/bin File ]]..acy..[[ds]]..acr..[[ => dump Segments
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]]..acy..[[xf]]..acr..[[ => xor to File
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(partially) known Segments Virtual Tags Script Output
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--------------------------- ------------------------------- ------------------------
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dlc => dump Legic-Cash ct => copy mainTag to backupTag tac => toggle ansicolors
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elc => edit Legic-Cash tc => copy backupTag to mainTag
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d3p => dump 3rd-Party-Cash tt => switch mainTag & backupTag
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e3p => edit 3rd-Party-Cash di => dump mainTag
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do => dump backupTag
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]]..acy..[[dlc]]..acr..[[ => dump Legic-Cash ]]..acy..[[ct]]..acr..[[ => copy mainTag to backupTag ]]..acy..[[tac]]..acr..[[ => toggle ansicolors
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]]..acy..[[elc]]..acr..[[ => edit Legic-Cash ]]..acy..[[tc]]..acr..[[ => copy backupTag to mainTag
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]]..acy..[[d3p]]..acr..[[ => dump 3rd-Party-Cash ]]..acy..[[tt]]..acr..[[ => switch mainTag & backupTag
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]]..acy..[[e3p]]..acr..[[ => edit 3rd-Party-Cash ]]..acy..[[di]]..acr..[[ => dump mainTag
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]]..acy..[[do]]..acr..[[ => dump backupTag
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@ -169,55 +222,6 @@ tac: 'toggle ansicolors'- switch on and off the colored text-output of this scri
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]]
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currentTag="inTAG"
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---
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-- requirements
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local utils = require('utils')
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local getopt = require('getopt')
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local ansicolors = require('ansicolors')
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---
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-- global variables / defines
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local bxor = bit32.bxor
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local bbit = bit32.extract
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local input = utils.input
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local confirm = utils.confirm
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---
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-- init ansicolor-values & ansicolors switch
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local colored_output = true
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local acoff = ""
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local acgreen= ""
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local accyan = ""
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local acred = ""
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local acyellow = ""
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local acblue = ""
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local acmagenta = ""
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--- Helper ---
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---
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-- default colors (change to whatever you want)
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function load_colors(onoff)
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if (onoff) then
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-- colors
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acgreen = ansicolors.green
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accyan = ansicolors.cyan
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acred = ansicolors.red
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acyellow= ansicolors.yellow
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acblue = ansicolors.blue
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acmagenta= ansicolors.magenta
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acoff = ansicolors.reset
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else
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-- 'no color'
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acgreen = ""
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accyan = ""
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acred = ""
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acyellow= ""
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acblue = ""
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acmagenta= ""
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acoff = ""
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end
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end
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---
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-- curency-codes for Legic-Cash-Segments (ISO 4217)
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local currency = {
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@ -237,7 +241,11 @@ end
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---
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-- Usage help
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function help()
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print(desc)
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-- the proxmark3 client can't handle such long strings
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-- by breaking up at specific points it still looks good.
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print(string.sub(desc, 0, 1961))
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print(string.sub(desc, 1962, 3925))
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print(string.sub(desc, 3926, #desc))
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print("Version: "..version)
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print("Example usage: "..example)
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end
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@ -305,18 +313,6 @@ function xorBytes(inBytes, crc)
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end
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end
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---
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-- check availability of file
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function file_check(file_name)
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local file_found = io.open(file_name, "r")
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if file_found == nil then
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return false
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else
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file_found:close()
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return true
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end
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end
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---
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-- split csv-string into table
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local function split(str, sep)
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@ -330,6 +326,23 @@ local function split(str, sep)
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return fields
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end
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---
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-- check availability of file
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function file_check(file_name)
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local arr = split(file_name, ".")
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local path = core.search_file(arr[1], "."..arr[2])
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if (path == nil) then return false end
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local file_found = io.open(path, "r")
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if file_found == nil then
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return false, ""
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else
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file_found:close()
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return true, path
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end
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end
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---
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-- put a string into a bytes-table
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function str2bytes(s)
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@ -358,8 +371,13 @@ end
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function getInputBytes(infile)
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local line
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local bytes = {}
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local fhi,err = io.open(infile,"rb")
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if err then oops("failed to read from file ".. infile); return false; end
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local arr = split(infile, ".")
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local path = core.search_file(arr[1], "."..arr[2])
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if (path == nil) then oops("failed to read from file ".. infile); return false; end
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local fhi,err = io.open(path,"rb")
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if err then oops("failed to read from file ".. path); return false; end
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file_data = fhi:read("*a");
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for i = 1, #file_data do
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@ -367,7 +385,7 @@ function getInputBytes(infile)
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end
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fhi:close()
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if (bytes[7]=='00') then return false end
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print(#bytes .. " bytes from "..infile.." loaded")
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print(#bytes .. " bytes from "..path.." loaded")
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return bytes
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end
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@ -613,12 +631,13 @@ local function readFile(filename)
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print(accyan)
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local bytes = {}
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local tag = {}
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if file_check(filename) == false then
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local res, path = file_check(filename)
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if not res then
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return oops("input file: "..acyellow..filename..acoff.." not found")
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end
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bytes = getInputBytes(filename)
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bytes = getInputBytes(path)
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if bytes == false then return oops('couldnt get input bytes') end
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-- make plain bytes
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@ -640,12 +659,14 @@ local function save_BIN(data, filename)
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local fn = filename..ext
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-- Make sure we don't overwrite a file
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while file_check(fn) do
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local res, path = file_check(fn)
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while res == false do
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fn = filename..ext:gsub(ext, "-"..tostring(counter)..ext)
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counter = counter + 1
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res, path = file_check(fn)
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end
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outfile = io.open(fn, 'wb')
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outfile = io.open(path, 'wb')
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local i = 1
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while data[i] do
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@ -660,17 +681,19 @@ end
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-- write bytes to file
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function writeFile(bytes, filename)
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local emlext = ".eml"
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local res, path
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if (filename ~= 'MyLegicClone') then
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if (file_check(filename..emlext)) then
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local answer = confirm("\nthe output-file "..filename..emlext.." already exists!\nthis will delete the previous content!\ncontinue?")
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res, path = file_check(filename..emlext)
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if res then
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local answer = confirm("\nthe output-file "..path.." already exists!\nthis will delete the previous content!\ncontinue?")
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if not answer then return print("user abort") end
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end
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end
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local line
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local bcnt = 0
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local fho, err = io.open(filename..emlext, "w")
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local fho, err = io.open(path, "w")
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if err then
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return oops("OOps ... failed to open output-file ".. filename..emlext)
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return oops("OOps ... failed to open output-file ".. path)
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end
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bytes = xorBytes(bytes, bytes[5])
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@ -692,11 +715,10 @@ function writeFile(bytes, filename)
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end
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fho:close()
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-- save binary
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local fn_bin, fn_bin_num = save_BIN(bytes, filename)
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print("\nwrote "..acyellow..(#bytes * 3)..acoff.." bytes to " ..acyellow..filename..emlext..acoff)
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-- save binary
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local fn_bin, fn_bin_num = save_BIN(bytes, filename)
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if fn_bin and fn_bin_num then
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print("\nwrote "..acyellow..fn_bin_num..acoff.." bytes to BINARY file "..acyellow..fn_bin..acoff)
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end
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@ -731,10 +753,16 @@ function readFromPM3()
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infile=getRandomTempName()
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core.console("hf legic dump -f "..infile)
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tag=readFile(infile..".bin")
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os.remove(infile)
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os.remove(infile..".bin")
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os.remove(infile..".eml")
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os.remove(infile..".json")
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res, path = file_check(infile..".bin")
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if not res then return nil end
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os.remove(path)
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res, path = file_check(infile..".eml")
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os.remove(path)
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res, path = file_check(infile..".json")
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os.remove(path)
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return tag
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end
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@ -758,16 +786,20 @@ end
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---
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-- save mapping to file
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local function saveTagMap(map, filename)
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local res, path
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if #filename > 0 then
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if file_check(filename) then
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local answer = confirm("\nthe output-file "..acyellow..filename..acoff.." alredy exists!\nthis will delete the previous content!\ncontinue?")
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res, path = file_check(filename)
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if res then
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local answer = confirm("\nthe output-file "..acyellow..path..acoff.." alredy exists!\nthis will delete the previous content!\ncontinue?")
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if not answer then return print("user abort") end
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end
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end
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local line
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local fho,err = io.open(filename, "w")
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if err then oops("OOps ... failed to open output-file "..acyellow..filename..acoff) end
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local fho,err = io.open(path, "w")
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if err then oops("OOps ... failed to open output-file "..acyellow..path..acoff) end
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-- write line to new file
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for k, v in pairs(map) do
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@ -842,10 +874,13 @@ function loadTagMap(filename)
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local line, fields
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local temp={}
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local offset=0
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if not file_check(filename) then
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return oops("input file: "..acyellow..filename..acoff.." not found")
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else
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local fhi,err = io.open(filename)
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local res, path = file_check(filename)
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if not res then
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return oops("input file: "..acyellow..filename..acoff.." not found")
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else
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local fhi,err = io.open(path)
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while true do
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line = fhi:read()
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if line == nil then
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@ -971,6 +1006,7 @@ Mappings: im = insert am = add rm = remove
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CRC8: ac8 = add sc8 = show rc8 = remove
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: q = exit h = Help
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]]
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--if(#tagMap.mappings==0) then oops("no mappings in tagMap"); return tagMap end
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print("tagMap edit-mode submenu")
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repeat
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@ -2293,25 +2329,25 @@ function modifyHelp()
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Data I/O Segment Manipulation Token-Data
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----------------- -------------------- ---------------------
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rt => read Tag as => add Segment mt => make Token
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wt => write Tag es => edit Segment Header et => edit Token data
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ed => edit Segment Data tk => toggle KGH-Flag
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File I/O rs => remove Segment
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----------------- cc => check Segment-CRC
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lf => load bin File ck => check KGH
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sf => save eml/bin File ds => dump Segments
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xf => xor to File
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]]..acy..[[rt]]..acr..[[ => read Tag ]]..acy..[[as]]..acr..[[ => add Segment ]]..acy..[[mt]]..acr..[[ => make Token
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]]..acy..[[wt]]..acr..[[ => write Tag ]]..acy..[[es]]..acr..[[ => edit Segment Header ]]..acy..[[et]]..acr..[[ => edit Token data
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]]..acy..[[ed]]..acr..[[ => edit Segment Data ]]..acy..[[tk]]..acr..[[ => toggle KGH-Flag
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File I/O ]]..acy..[[rs]]..acr..[[ => remove Segment
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----------------- ]]..acy..[[cc]]..acr..[[ => check Segment-CRC
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]]..acy..[[lf]]..acr..[[ => load bin File ]]..acy..[[ck]]..acr..[[ => check KGH
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]]..acy..[[sf]]..acr..[[ => save eml/bin File ]]..acy..[[ds]]..acr..[[ => dump Segments
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]]..acy..[[xf]]..acr..[[ => xor to File
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Virtual Tags tagMap (partial) known Segments
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-------------------------------- --------------------- ---------------------------
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ct => copy mainTag to backupTag mm => make (new) Map dlc => dump Legic-Cash
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tc => copy backupTag to mainTag em => edit Map submenu elc => edit Legic-Cash
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tt => switch mainTag & backupTag lm => load map from file d3p => dump 3rd-Party-Cash
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di => dump mainTag sm => save map to file e3p => edit 3rd-Party-Cash
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do => dump backupTag
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]]..acy..[[xf]]..acr..[[ => copy mainTag to backupTag ]]..acy..[[mm]]..acr..[[ => make (new) Map ]]..acy..[[dlc]]..acr..[[ => dump Legic-Cash
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]]..acy..[[xf]]..acr..[[ => copy backupTag to mainTag ]]..acy..[[em]]..acr..[[ => edit Map submenu ]]..acy..[[elc]]..acr..[[ => edit Legic-Cash
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]]..acy..[[xf]]..acr..[[ => switch mainTag & backupTag ]]..acy..[[lm]]..acr..[[ => load map from file ]]..acy..[[d3p]]..acr..[[ => dump 3rd-Party-Cash
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]]..acy..[[xf]]..acr..[[ => dump mainTag ]]..acy..[[sm]]..acr..[[ => save map to file ]]..acy..[[e3p]]..acr..[[ => edit 3rd-Party-Cash
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]]..acy..[[xf]]..acr..[[ => dump backupTag
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h => this help q => quit
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]]..acy..[[h]]..acr..[[ => this help ]]..acy..[[q]]..acr..[[ => quit
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]]
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return t
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end
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@ -2325,8 +2361,10 @@ function modifyMode()
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---
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-- helptext
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["h"] = function(x)
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print(" Version: "..version);
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print(modifyHelp().."\n".."tags im Memory: "..(istable(inTAG) and ((currentTag=='inTAG') and acgreen.."*mainTAG"..acoff or "mainTAG") or "").." "..(istable(backupTAG) and ((currentTag=='backupTAG') and acgreen.."*backupTAG"..acoff or "backupTAG") or ""))
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print(" Version: "..acgreen..version..acr);
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print(modifyHelp())
|
||||
print("\n".."tags im Memory: "..(istable(inTAG) and ((currentTag=='inTAG') and acgreen.."*mainTAG"..acoff or "mainTAG") or "").." "..(istable(backupTAG) and ((currentTag=='backupTAG') and acgreen.."*backupTAG"..acoff or "backupTAG") or ""))
|
||||
print("")
|
||||
end,
|
||||
---
|
||||
-- read real Tag with PM3 into virtual 'mainTAG'
|
||||
|
|
@ -2375,8 +2413,9 @@ function modifyMode()
|
|||
end
|
||||
inTAG=readFile(filename)
|
||||
-- check for existing tagMap
|
||||
if (file_check(filename..".map")) then
|
||||
if(confirm(accyan.."Mapping-File for "..acoff..filename..accyan.." found - load it also?"..acoff)) then
|
||||
local res, path = file_check(filename..".map")
|
||||
if res then
|
||||
if(confirm(accyan.."Mapping-File for "..acoff..path..accyan.." found - load it also?"..acoff)) then
|
||||
tagMap=loadTagMap(filename..".map")
|
||||
end
|
||||
end
|
||||
|
|
@ -2388,7 +2427,7 @@ function modifyMode()
|
|||
outfile = input("enter filename:", "hf-legic-"..inTAG.MCD..inTAG.MSN0..inTAG.MSN1..inTAG.MSN2)
|
||||
bytes = tagToBytes(inTAG)
|
||||
--bytes=xorBytes(bytes, inTAG.MCC)
|
||||
if (bytes) then
|
||||
if (bytes) then
|
||||
writeFile(bytes, outfile)
|
||||
end
|
||||
end
|
||||
|
|
@ -2743,10 +2782,13 @@ end
|
|||
function main(args)
|
||||
-- set init colors/switch (can be toggled with 'tac' => 'toggle ansicolors')
|
||||
load_colors(colored_output)
|
||||
if (#args == 0 ) then modifyMode() end
|
||||
if (#args == 0 ) then modifyMode() end
|
||||
--- variables
|
||||
local inTAG, backupTAG, outTAG, outfile, interactive, crc, ofs, cfs, dfs
|
||||
-- just a spacer for better readability
|
||||
local inTAG, backupTAG, outTAG, outfile, interactive, crc
|
||||
local ofs=false
|
||||
local cfs=false
|
||||
local dfs=false
|
||||
-- just a spacer for better readability
|
||||
print()
|
||||
--- parse arguments
|
||||
for o, a in getopt.getopt(args, 'hrmi:do:c:') do
|
||||
|
|
@ -2755,7 +2797,7 @@ function main(args)
|
|||
-- read tag from PM3
|
||||
if o == "r" then inTAG=readFromPM3() end
|
||||
-- input file
|
||||
if o == "i" then inTAG=readFile(a) end
|
||||
if o == "i" then inTAG=readFile(a) end
|
||||
-- dump virtual-Tag
|
||||
if o == "d" then dfs=true end
|
||||
-- interacive modifying
|
||||
|
|
@ -2793,7 +2835,10 @@ function main(args)
|
|||
|
||||
-- write to outfile
|
||||
if (bytes) then
|
||||
writeFile(bytes, outfile)
|
||||
|
||||
if (outfile) then
|
||||
writeFile(bytes, outfile)
|
||||
end
|
||||
--- read real tag into virtual tag
|
||||
-- inTAG=readFromPM3() end
|
||||
--- or simply use the bytes that where wriiten
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue