From a826cb0df1dd2cd11facd5ab8fe0618422fa0054 Mon Sep 17 00:00:00 2001 From: iceman1001 Date: Mon, 19 Oct 2015 22:39:08 +0200 Subject: [PATCH] FIX: tnp3sim, now can insert keys if the dumpfile is blank. Like the ,,,lander dumps... --- client/scripts/tnp3dump.lua | 24 ++++++------- client/scripts/tnp3sim.lua | 68 +++++++++++++++++++++---------------- 2 files changed, 51 insertions(+), 41 deletions(-) diff --git a/client/scripts/tnp3dump.lua b/client/scripts/tnp3dump.lua index 211d146f..44e59657 100644 --- a/client/scripts/tnp3dump.lua +++ b/client/scripts/tnp3dump.lua @@ -38,9 +38,7 @@ local numSectors = 16 --- -- A debug printout-function function dbg(args) - if not DEBUG then - return - end + if not DEBUG then return end if type(args) == "table" then local i = 1 @@ -56,6 +54,7 @@ end -- This is only meant to be used when errors occur function oops(err) print("ERROR: ",err) + return nil,err end --- -- Usage help @@ -166,6 +165,8 @@ local function main(args) local block0, err = waitCmd() if err then return oops(err) end + core.clearCommandBuffer() + -- Read block 1 cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 1,arg2 = 0,arg3 = 0, data = keyA} err = core.SendCommand(cmd:getBytes()) @@ -173,16 +174,15 @@ local function main(args) local block1, err = waitCmd() if err then return oops(err) end + core.clearCommandBuffer() + local tmpHash = block0..block1..'%02x'..RANDOM local key local pos = 0 local blockNo local blocks = {} - - print('Reading card data') - core.clearCommandBuffer() - + -- main loop io.write('Reading blocks > ') for blockNo = 0, numBlocks-1, 1 do @@ -192,6 +192,8 @@ local function main(args) break end + core.clearCommandBuffer() + pos = (math.floor( blockNo / 4 ) * 12)+1 key = akeys:sub(pos, pos + 11 ) cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = blockNo ,arg2 = 0,arg3 = 0, data = key} @@ -214,8 +216,8 @@ local function main(args) local baseStr = utils.ConvertHexToAscii(tmpHash:format(blockNo)) local key = md5.sumhexa(baseStr) local aestest = core.aes128_decrypt(key, blockdata) - local hex = utils.ConvertAsciiToBytes(aestest) - hex = utils.ConvertBytesToHex(hex) + local hex = ConvertAsciiToHex(aestest) + blocks[blockNo+1] = ('%02d :: %s'):format(blockNo,hex) io.write(blockNo..',') end @@ -235,9 +237,7 @@ local function main(args) for _,s in pairs(blocks) do local slice = s:sub(8,#s) - local str = utils.ConvertBytesToAscii( - utils.ConvertHexToBytes(slice) - ) + local str = utils.ConvertHexToAscii(slice) emldata = emldata..slice..'\n' for c in (str):gmatch('.') do bindata[#bindata+1] = c diff --git a/client/scripts/tnp3sim.lua b/client/scripts/tnp3sim.lua index 11b268dd..ca729f38 100644 --- a/client/scripts/tnp3sim.lua +++ b/client/scripts/tnp3sim.lua @@ -5,7 +5,8 @@ local lib14a = require('read14a') local utils = require('utils') local md5 = require('md5') local toys = require('default_toys') - +local pre = require('precalc') + example =[[ 1. script run tnp3sim 2. script run tnp3sim -m @@ -27,7 +28,7 @@ Arguments: ]] local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds -local DEBUG = false -- the debug flag +local DEBUG = true -- the debug flag local RANDOM = '20436F707972696768742028432920323031302041637469766973696F6E2E20416C6C205269676874732052657365727665642E20' local band = bit32.band @@ -42,9 +43,7 @@ local format = string.format --- -- A debug printout-function function dbg(args) - if not DEBUG then - return - end + if not DEBUG then return end if type(args) == "table" then local i = 1 @@ -107,6 +106,14 @@ local function GetCheckSum(blocks, dataarea, chksumtype) return utils.SwapEndianness(crc,16) end +local function SetAllCheckSum(blocks) + print('Updating all checksums') + SetCheckSum(blocks, 3) + SetCheckSum(blocks, 2) + SetCheckSum(blocks, 1) + SetCheckSum(blocks, 0) +end + local function SetCheckSum(blocks, chksumtype) if blocks == nil then return nil, 'Argument \"blocks\" nil' end @@ -154,7 +161,8 @@ function CalcCheckSum(blocks, dataarea, chksumtype) end local function ValidateCheckSums(blocks) - + print(' Validating checksums') + local isOk, crc, calc -- Checksum Type 0 crc = GetCheckSum(blocks,1,0) @@ -199,9 +207,17 @@ local function ValidateCheckSums(blocks) io.write( ('TYPE 3 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk)) end -local function LoadEmulator(blocks) - local cmd - local blockdata + +local function AddKey(keys, blockNo, data) + local pos = (math.floor( blockNo / 4 ) * 12)+1 + local key = keys:sub(pos, pos + 11 ) + return key..data:sub(13) +end + +local function LoadEmulator(uid, blocks) + print('Sending dumpdata to emulator memory') + local keys = pre.GetAll(uid) + local cmd, blockdata for _,b in pairs(blocks) do blockdata = b @@ -212,14 +228,16 @@ local function LoadEmulator(blocks) local baseStr = utils.ConvertHexToAscii(base) local key = md5.sumhexa(baseStr) local enc = core.aes128_encrypt(key, blockdata) - local hex = utils.ConvertAsciiToBytes(enc) - hex = utils.ConvertBytesToHex(hex) - - blockdata = hex + blockdata = utils.ConvertAsciiToHex(enc) io.write( _..',') end + else + -- add keys if not existing.. + if ( blockdata:sub(1,12) == '000000000000' ) then + blockdata = AddKey(keys, _, blockdata) + end end - + core.clearCommandBuffer() cmd = Command:new{cmd = cmds.CMD_MIFARE_EML_MEMSET, arg1 = _ ,arg2 = 1,arg3 = 16, data = blockdata} local err = core.SendCommand(cmd:getBytes()) if err then return err end @@ -357,10 +375,7 @@ local function main(args) blockindex = blockindex + 1 end - if DEBUG then - print(' Validating checksums') - ValidateCheckSums(blocks) - end + if DEBUG then ValidateCheckSums(blocks) end -- print( string.rep('--',20) ) @@ -419,7 +434,7 @@ local function main(args) local level = blocks[13]:sub(27,28) print(('LEVEL : %d'):format( tonumber(level,16))) - --hälsa: 667 029b + --local health = blocks[]:sub(); --print(('Health : %d'):format( tonumber(health,16)) @@ -457,20 +472,15 @@ local function main(args) --print (blocks[13]) -- Update Checksums - print('Updating all checksums') - SetCheckSum(blocks, 3) - SetCheckSum(blocks, 2) - SetCheckSum(blocks, 1) - SetCheckSum(blocks, 0) - - print('Validating all checksums') + SetAllCheckSum(blocks) + + -- Validate Checksums ValidateCheckSums(blocks) end - + --Load dumpdata to emulator memory if DEBUG then - print('Sending dumpdata to emulator memory') - err = LoadEmulator(blocks) + err = LoadEmulator(uid, blocks) if err then return oops(err) end core.clearCommandBuffer() print('The simulation is now prepared.\n --> run \"hf mf sim u '..uid..'\" <--') -- 2.39.2