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Revert "Merge pull request #32 from RfidResearchGroup/master"

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This reverts commit 40d2a3c072, reversing
changes made to 15d584e060.
This commit is contained in:
mwalker33
2020-04-10 13:59:56 +10:00
parent 0542825567
commit 978f57b505
25 changed files with 666 additions and 1079 deletions
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159
client/luascripts/legic.lua
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@@ -91,20 +91,14 @@ CRC1 = crc8 over addr 0x00..0x03+0x07..0x0E (special 'gantner crc8')
CRC2 = MCD + MSB0..2+ addr 0x06 + addr 0x05 + addr 0x07 + Stamp (regular Master-Token-CRC)
--]]
--[[
Known issues; needs to be fixed:
* last byte in last segment is handled incorrectly when it is the last bytes on the card itself (MIM256: => byte 256)
--]]
example = "script run legic"
author = "Mosci, uhei"
version = "1.0.4"
author = "Mosci"
version = "1.0.3"
desc =
[[
This script helps you to read, create and modify Legic Prime Tags (MIM22, MIM256, MIM1024)
The virtual tag (and therefore the file to be saved) is always a MIM1024 tag.
it's kinda interactive with following commands in three categories:
Data I/O Segment Manipulation Token-Data
@@ -114,8 +108,8 @@ it's kinda interactive with following commands in three categories:
ed => edit Segment Data tk => toggle KGH-Flag
File I/O rs => remove Segment
----------------- cc => check Segment-CRC
lf => load bin File ck => check KGH
sf => save eml/bin File ds => dump Segments
lf => load File ck => check KGH
sf => save File ds => dump Segments
xf => xor to File
@@ -134,8 +128,8 @@ it's kinda interactive with following commands in three categories:
without the need of changing anything - MCD,MSN,MCC will be read from the tag
before and applied to the output.
lf: 'load file' - load a (xored) binary file (*.bin) from the local Filesystem into the 'virtual inTag'
sf: 'save file' - saves the 'virtual inTag' to the local Filesystem as eml and bin (xored with Tag-MCC)
lf: 'load file' - load a (xored) file from the local Filesystem into the 'virtual inTag'
sf: 'save file' - saves the 'virtual inTag' to the local Filesystem (xored with Tag-MCC)
xf: 'xor file' - saves the 'virtual inTag' to the local Filesystem (xored with choosen MCC - use '00' for plain values)
ct: 'copy tag' - copy the 'virtual Tag' to a second 'virtual TAG' - not usefull yet, but inernally needed
@@ -248,16 +242,6 @@ function istable(t)
return type(t) == 'table'
end
---
-- To have two char string for a byte
local function padString(str)
if (#str == 1) then
return '0'..str
end
return str
end
---
-- creates a 'deep copy' of a table (a=b only references)
function deepCopy(object)
@@ -403,15 +387,15 @@ end
function bytesToTag(bytes, tag)
if istable(tag) == false then return oops("tag is no table in: bytesToTag ("..type(tag)..")") end
tag.MCD =padString(bytes[1]);
tag.MSN0=padString(bytes[2]);
tag.MSN1=padString(bytes[3]);
tag.MSN2=padString(bytes[4]);
tag.MCC =padString(bytes[5]);
tag.DCFl=padString(bytes[6]);
tag.DCFh=padString(bytes[7]);
tag.raw =padString(bytes[8]);
tag.SSC =padString(bytes[9]);
tag.MCD =bytes[1];
tag.MSN0=bytes[2];
tag.MSN1=bytes[3];
tag.MSN2=bytes[4];
tag.MCC =bytes[5];
tag.DCFl=bytes[6];
tag.DCFh=bytes[7];
tag.raw =bytes[8];
tag.SSC =bytes[9];
tag.Type=getTokenType(tag.DCFl);
tag.OLE=bbit("0x"..tag.DCFl,7,1)
tag.WRP=("%d"):format(bbit("0x"..bytes[8],0,4))
@@ -516,26 +500,42 @@ function tagToBytes(tag)
return bytes
end
--- PM3 I/O ---
---
-- read from pm3 into virtual-tag
function readFromPM3()
local tag, bytes, infile
infile="legic.temp"
-- core.console("hf legic reader")
-- core.console("hf legic esave "..infile)
core.console("hf legic dump o "..infile)
tag=readFile(infile..".bin")
return tag
end
local function padString(str)
if (#str == 1) then
return '0'..str
end
return str
end
---
--- PM3 I/O ---
-- write virtual Tag to real Tag
function writeToTag(tag)
local bytes
local filename = 'MylegicClone.hex'
local taglen = 22
local writeDCF = false
if(utils.confirm(acred.."\nPlace the (empty) Tag onto the PM3\nand confirm writing to this Tag: "..acoff) == false) then
if(utils.confirm(acred.."\nplace the (empty) Tag onto the PM3\nand confirm writing to this Tag: "..acoff) == false) then
return
end
if(utils.confirm(acred.."\nShould the decremental field (DCF) be written?: "..acoff) == true) then
writeDCF = true
end
-- get used bytes / tag-len
if (istable(tag.SEG)) then
if (istable(tag.Bck)) then
for i=0, #tag.SEG do
taglen = taglen + tag.SEG[i] . len
taglen = taglen + tag.SEG[i] . len + 5
end
end
local uid_old = tag.MCD..tag.MSN0..tag.MSN1..tag.MSN2
@@ -571,32 +571,37 @@ function writeToTag(tag)
bytes[22] = calcMtCrc(bytes)
end
if (bytes) then
bytes = xorBytes(bytes,tag.MCC)
print("write temp-file '"..filename.."'")
print(accyan)
writeFile(bytes, filename..".bin")
print(acoff)
end
end
-- write data to file
if (taglen > 0) then
WriteBytes = input(acyellow.."enter number of bytes to write?"..acoff, taglen)
-- load file into pm3-buffer
if (type(filename) ~= "string") then
filename = input(acyellow.."filename to load to pm3-buffer?"..acoff, "legic.temp")
end
cmd = 'hf legic eload 2 '..filename
core.console(cmd)
-- write pm3-buffer to Tag
for i=1, WriteBytes do
if (i > 7) then
cmd = ("hf legic wrbl o %02x d %s "):format(i-1, padString(bytes[i]))
for i=0, WriteBytes do
if (i > 6) then
cmd = ("hf legic write o %x d %s "):format(i, padString(bytes[i]))
print(acgreen..cmd..acoff)
core.console(cmd)
core.clearCommandBuffer()
elseif (i == 7) then
if (writeDCF) then
-- write DCF in reverse order (requires 'mosci-patch')
cmd = ('hf legic wrbl o 05 d %s%s'):format(padString(bytes[i-1]), padString(bytes[i]))
print(acgreen..cmd..acoff)
core.console(cmd)
core.clearCommandBuffer()
else
print(acgreen.."skip byte 0x05-0x06 - DCF"..acoff)
end
elseif (i == 6) then
-- write DCF in reverse order (requires 'mosci-patch')
cmd = ('hf legic write o 05 d %s%s'):format(padString(bytes[i-1]), padString(bytes[i]))
print(acgreen..cmd..acoff)
core.console(cmd)
core.clearCommandBuffer()
elseif (i == 5) then
print(acgreen.."skip byte 0x05 - will be written next step"..acoff)
else
print(acgreen.."skip byte 0x00-0x04 - unwritable area"..acoff)
@@ -636,12 +641,12 @@ end
local function save_BIN(data, filename)
local outfile
local counter = 1
local ext = ".bin"
local fn = filename..ext
local ext = filename:match("^.+(%..+)$") or ''
local fn = filename
-- Make sure we don't overwrite a file
while file_check(fn) do
fn = filename..ext:gsub(ext, "-"..tostring(counter)..ext)
fn = filename:gsub(ext, tostring(counter)..ext)
counter = counter + 1
end
@@ -659,27 +664,26 @@ end
---
-- write bytes to file
function writeFile(bytes, filename)
local emlext = ".eml"
if (filename ~= 'MyLegicClone') then
if (file_check(filename..emlext)) then
local answer = confirm("\nthe output-file "..filename..emlext.." already exists!\nthis will delete the previous content!\ncontinue?")
if (filename ~= 'MylegicClone.hex') then
if (file_check(filename)) then
local answer = confirm("\nthe output-file "..filename.." already exists!\nthis will delete the previous content!\ncontinue?")
if not answer then return print("user abort") end
end
end
local line
local bcnt = 0
local fho, err = io.open(filename..emlext, "w")
local fho, err = io.open(filename, "w")
if err then
return oops("OOps ... failed to open output-file ".. filename..emlext)
return oops("OOps ... failed to open output-file ".. filename)
end
bytes = xorBytes(bytes, bytes[5])
for i = 1, #bytes do
if (bcnt == 0) then
line = padString(bytes[i])
line = bytes[i]
elseif (bcnt <= 7) then
line = line.." "..padString(bytes[i])
line = line.." "..bytes[i]
end
if (bcnt == 7) then
-- write line to new file
@@ -695,7 +699,7 @@ function writeFile(bytes, filename)
-- save binary
local fn_bin, fn_bin_num = save_BIN(bytes, filename)
print("\nwrote "..acyellow..(#bytes * 3)..acoff.." bytes to " ..acyellow..filename..emlext..acoff)
print("\nwrote "..acyellow..(#bytes * 3)..acoff.." bytes to " ..acyellow..filename..acoff)
if fn_bin and fn_bin_num then
print("\nwrote "..acyellow..fn_bin_num..acoff.." bytes to BINARY file "..acyellow..fn_bin..acoff)
@@ -704,21 +708,6 @@ function writeFile(bytes, filename)
return true
end
---
-- read from pm3 into virtual-tag
function readFromPM3()
local tag, bytes, infile
--infile="legic.temp"
infile=os.tmpname()
core.console("hf legic dump f "..infile)
tag=readFile(infile..".bin")
os.remove(infile)
os.remove(infile..".bin")
os.remove(infile..".eml")
os.remove(infile..".json")
return tag
end
--- Map related ---
---
-- make tagMap
@@ -2276,8 +2265,8 @@ function modifyHelp()
ed => edit Segment Data tk => toggle KGH-Flag
File I/O rs => remove Segment
----------------- cc => check Segment-CRC
lf => load bin File ck => check KGH
sf => save eml/bin File ds => dump Segments
lf => load File ck => check KGH
sf => save File ds => dump Segments
xf => xor to File
@@ -2363,10 +2352,10 @@ function modifyMode()
-- save values of mainTAG to a file (xored with MCC of mainTAG)
["sf"] = function(x)
if istable(inTAG) then
outfile = input("enter filename:", "hf-legic-"..inTAG.MCD..inTAG.MSN0..inTAG.MSN1..inTAG.MSN2)
outfile = input("enter filename:", "legic.temp")
bytes = tagToBytes(inTAG)
--bytes=xorBytes(bytes, inTAG.MCC)
if (bytes) then
if bytes then
writeFile(bytes, outfile)
end
end
@@ -2375,7 +2364,7 @@ function modifyMode()
-- save values of mainTAG to a file (xored with 'specific' MCC)
["xf"] = function(x)
if istable(inTAG) then
outfile = input("enter filename:", "hf-legic-"..inTAG.MCD..inTAG.MSN0..inTAG.MSN1..inTAG.MSN2)
outfile = input("enter filename:", "legic.temp")
crc = input("enter new crc: ('00' for a plain dump)", inTAG.MCC)
print("obfuscate with: "..crc)
bytes=tagToBytes(inTAG)