chg: 'script run ul_uid' - tried to add suppor to for brickable magic tags which must be written in one session.

client/scripts/ul_uid.lua

@@ -1,21 +1,36 @@
 local getopt = require('getopt')
 local utils =  require('utils')
 
-local bxor = bit32.bxor
-
-example = "script run ul_uid"
+copyright = ''
 author = "Iceman"
-desc =
-[[
-This is a script that tries to set UID on a mifare Ultralight magic card which answers to chinese backdoor commands 
+version = 'v1.0.0'
+desc = [[
+This script tries to set UID on a mifare Ultralight magic card which either
+ - answers to chinese backdoor commands 
+ - brickable magic tag  (must write in one session)
+]]
+example = [[
+	 -- backdoor magic tag
+	 script run ul_uid -u 11223344556677
+	 
+	 -- brickable magic tag
+	 script run ul_uid -b -u 11223344556677
+]]
+usage = [[
+script run ul_uid -h -b -u <uid>
 
 Arguments:
-	-h		this help
-	-u		UID (14 hexsymbols)
+	-h             : this help
+	-u <UID>       : UID (14 hexsymbols)
+	-b             : write to brickable magic tag
 ]]
+
+local DEBUG = true
+local bxor = bit32.bxor
 --- 
 -- A debug printout-function
-function dbg(args)
+local function dbg(args)
+    if not DEBUG then return end
     if type(args) == "table" then
 		local i = 1
 		while args[i] do
@@ -28,17 +43,58 @@ function dbg(args)
 end	
 --- 
 -- This is only meant to be used when errors occur
-function oops(err)
+local function oops(err)
 	print("ERROR: ",err)
+	return nil, err
 end
 --- 
 -- Usage help
-function help()
+local function help()
+	print(copyright)
+	print(author)	
+	print(version)	
 	print(desc)
-	print("Example usage")
+	print('Example usage')
 	print(example)
 end
+--
+--- Set UID on magic command enabled
+function magicUID(b0, b1, b2)
 
+	print('Using backdoor Magic tag function')
+
+	-- write block 0
+	core.console("hf 14a raw -p -a -b 7 40")
+	core.console("hf 14a raw -p -a 43")
+	core.console("hf 14a raw -c -a A200"..b0)
+
+	-- write block 1
+	core.console("hf 14a raw -p -a -b 7 40")
+	core.console("hf 14a raw -p -a 43")
+	core.console("hf 14a raw -c -a A201"..b1)
+
+	-- write block 2	
+	core.console("hf 14a raw -p -a -b 7 40")
+	core.console("hf 14a raw -p -a 43")
+	core.console("hf 14a raw -c -a A202"..b2)
+end
+--
+--- Set UID on magic but brickable 
+function brickableUID(b0, b1, b2)
+	
+	print('Using BRICKABLE Magic tag function')
+	
+	core.console("hf 14a raw -p -s -3")
+	
+	-- write block 0
+	core.console("hf 14a raw -p -c A200"..b0)
+
+	-- write block 1
+	core.console("hf 14a raw -p -c A201"..b1)
+
+	-- write block 2	
+	core.console("hf 14a raw -p -c A202"..b2)
+end
 --- 
 -- The main entry point
 function main(args)
@@ -48,13 +104,15 @@ function main(args)
 	print()
 
 	local uid = '04112233445566'
+	local tagtype = 1
 	
 	-- Read the parameters
-	for o, a in getopt.getopt(args, 'hu:') do
+	for o, a in getopt.getopt(args, 'hu:b') do
 		if o == "h" then return help() end
 		if o == "u" then uid = a end
-	end
-
+		if o == "b" then tagtype = 2 end
+	end	
+	
 	-- uid string checks
 	if uid == nil then return oops('empty uid string') end
 	if #uid == 0 then return oops('empty uid string') end
@@ -72,23 +130,14 @@ function main(args)
 	print('new UID | '..uid)
 	
 	core.clearCommandBuffer()
-
-	-- write block 0
-	core.console("hf 14a raw -p -a -b 7 40")
-	core.console("hf 14a raw -p -a 43")
-	core.console("hf 14a raw -c -a A200"..block0)
-
-	-- write block 1
-	core.console("hf 14a raw -p -a -b 7 40")
-	core.console("hf 14a raw -p -a 43")
-	core.console("hf 14a raw -c -a A201"..block1)
-
-	-- write block 2	
-	core.console("hf 14a raw -p -a -b 7 40")
-	core.console("hf 14a raw -p -a 43")
-	core.console("hf 14a raw -c -a A202"..block2)
-
-	--halt
+	
+	if tagtype == 2 then
+		brickableUID(block0, block1, block2)
+	else
+		magicUID(block0, block1, block2)
+	end
+	
+		--halt
 	core.console("hf 14a raw -c -a 5000")
 end