X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c8b6da2295a35cda0232f147993a0ed6ff68b207..322f7eb111e0337e8a509fa104c23502081d6df5:/client/scripts/tnp3dump.lua?ds=inline

diff --git a/client/scripts/tnp3dump.lua b/client/scripts/tnp3dump.lua
index f41fe8ab..363998fb 100644
--- 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) 
@@ -249,24 +262,32 @@ local function main(args)
 		end
 	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 the file %s"):format(foo))
+		print(("Wrote a BIN dump to:  %s"):format(foo))
 		local bar = dumplib.SaveAsText(emldata, outputTemplate..'_uid_'..uid..'.eml')
-		print(("Wrote a EML dump to the file %s"):format(bar))
+		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