CHG: Script now also test to read block 0 via the chinese magic command if the normal...

[proxmark3-svn] / client / scripts / tnp3dump.lua

diff --git a/client/scripts/tnp3dump.lua b/client/scripts/tnp3dump.lua
index 520161b93663856774d57463dda4c7028482c091..363998fb87ad56e768ce94e03d196f21a9936b2b 100644 (file)
--- a/client/scripts/tnp3dump.lua
+++ b/client/scripts/tnp3dump.lua
@@ -7,17 +7,20 @@ local md5 = require('md5')
 local dumplib = require('html_dumplib')
 local toyNames = require('default_toys')
 
+
 example =[[
-       1. script run tnp3dump
-       2. script run tnp3dump -n
-       3. script run tnp3dump -k aabbccddeeff
-       4. script run tnp3dump -k aabbccddeeff -n
-       5. script run tnp3dump -o myfile 
-       6. script run tnp3dump -n -o myfile 
-       7. script run tnp3dump -k aabbccddeeff -n -o myfile 
+       script run tnp3dump
+       script run tnp3dump -n
+       script run tnp3dump -p
+       script run tnp3dump -k aabbccddeeff
+       script run tnp3dump -k aabbccddeeff -n
+       script run tnp3dump -o myfile 
+       script run tnp3dump -n -o myfile 
+       script run tnp3dump -p -o myfile 
+       script run tnp3dump -k aabbccddeeff -n -o myfile 
 ]]
 author = "Iceman"
-usage = "script run tnp3dump -k <key> -n -o <filename>"
+usage = "script run tnp3dump -k <key> -n -p -o <filename>"
 desc =[[
 This script will try to dump the contents of a Mifare TNP3xxx card.
 It will need a valid KeyA in order to find the other keys and decode the card.
@@ -25,6 +28,7 @@ Arguments:
        -h             : this help
        -k <key>       : Sector 0 Key A.
        -n             : Use the nested cmd to find all keys
+       -p             : Use the precalc to find all keys
        -o             : filename for the saved dumps
 ]]
 
@@ -112,15 +116,17 @@ local function main(args)
        local cmd
        local err
        local useNested = false
+       local usePreCalc = false
        local cmdReadBlockString = 'hf mf rdbl %d A %s'
        local input = "dumpkeys.bin"
        local outputTemplate = os.date("toydump_%Y-%m-%d_%H%M%S");
 
        -- Arguments for the script
-       for o, a in getopt.getopt(args, 'hk:no:') do
+       for o, a in getopt.getopt(args, 'hk:npo:') do
                if o == "h" then return help() end              
                if o == "k" then keyA = a end
                if o == "n" then useNested = true end
+               if o == "p" then usePreCalc = true end
                if o == "o" then outputTemplate = a end         
        end
 
@@ -142,29 +148,34 @@ local function main(args)
        core.clearCommandBuffer()
        
        if 0x01 ~= result.sak then -- NXP MIFARE TNP3xxx
-               return oops('This is not a TNP3xxx tag. aborting.')
+       --      return oops('This is not a TNP3xxx tag. aborting.')
        end     
 
        -- Show tag info
-       print((' Found tag : %s'):format(result.name))
-       print(('Using keyA : %s'):format(keyA))
+       print((' Found tag %s'):format(result.name))
+
+       dbg(('Using keyA : %s'):format(keyA))
 
        --Trying to find the other keys
        if useNested then
          core.console( ('hf mf nested 1 0 A %s d'):format(keyA) )
        end
-       
+
        core.clearCommandBuffer()
        
-       -- Loading keyfile
-       print('Loading dumpkeys.bin')
-       local hex, err = utils.ReadDumpFile(input)
-       if not hex then
-               return oops(err)
+       local akeys = ''
+       if usePreCalc then
+               local pre = require('precalc')
+               akeys = pre.GetAll(result.uid)
+       else
+               print('Loading dumpkeys.bin')
+               local hex, err = utils.ReadDumpFile(input)
+               if not hex then
+                       return oops(err)
+               end
+               akeys = hex:sub(0,12*16)
        end
-
-       local akeys = hex:sub(0,12*16)
-
+       
        -- Read block 0
        cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 0,arg2 = 0,arg3 = 0, data = keyA}
        err = core.SendCommand(cmd:getBytes())
@@ -188,7 +199,7 @@ local function main(args)
        core.clearCommandBuffer()
                
        -- main loop
-       io.write('Decrypting blocks > ')
+       io.write('Reading blocks > ')
        for blockNo = 0, numBlocks-1, 1 do
 
                if core.ukbhit() then
@@ -204,7 +215,9 @@ local function main(args)
                local blockdata, err = waitCmd()
                if err then return oops(err) end                
 
+
                if  blockNo%4 ~= 3 then
+               
                        if blockNo < 8 then
                                -- Block 0-7 not encrypted
                                blocks[blockNo+1] = ('%02d  :: %s'):format(blockNo,blockdata) 
@@ -249,23 +262,32 @@ local function main(args)
                end
        end 
        
-       -- Write dump to files
-       if not DEBUG then
-               local foo = dumplib.SaveAsBinary(bindata, outputTemplate..'.bin')
-               print(("Wrote a BIN dump to the file %s"):format(foo))
-               local bar = dumplib.SaveAsText(emldata, outputTemplate..'.eml')
-               print(("Wrote a EML dump to the file %s"):format(bar))
-       end
-
        local uid = block0:sub(1,8)
        local itemtype = block1:sub(1,4)
+       local cardidLsw = block1:sub(9,16)
+       local cardidMsw = block1:sub(16,24)
        local cardid = block1:sub(9,24)
+       local traptype = block1:sub(25,28)
+       
+       -- Write dump to files
+       if not DEBUG then
+               local foo = dumplib.SaveAsBinary(bindata, outputTemplate..'_uid_'..uid..'.bin')
+               print(("Wrote a BIN dump to:  %s"):format(foo))
+               local bar = dumplib.SaveAsText(emldata, outputTemplate..'_uid_'..uid..'.eml')
+               print(("Wrote a EML dump to:  %s"):format(bar))
+       end
 
+       local itemtypename = toyNames[itemtype]
+       if itemtypename == nil then
+               itemtypename = toyNames[utils.SwapEndiannessStr(itemtype,16)]
+       end
        -- Show info 
        print( string.rep('--',20) )
-       print( (' ITEM TYPE : 0x%s - %s'):format(itemtype, toyNames[itemtype]) )
-       print( ('       UID : 0x%s'):format(uid) )
-       print( ('    CARDID : 0x%s'):format(cardid ) )  
+       print( ('            ITEM TYPE : 0x%s - %s'):format(itemtype, itemtypename) )
+       print( (' Alter ego / traptype : 0x%s'):format(traptype) )
+       print( ('                  UID : 0x%s'):format(uid) )
+       print( ('               CARDID : 0x%s'):format(cardid ) )
+       
        print( string.rep('--',20) )
 
 end