chg: 'script run mifare_autopwn' - added a option to use a key.

client/scripts/mifare_autopwn.lua

@@ -29,8 +29,16 @@ local DEBUG = false
 --- 
 -- A debug printout-function
 local function dbg(args)
-	if DEBUG then
-		print(":: ", args)
+	if not DEBUG then return end
+	
+	if type(args) == 'table' then
+		local i = 1
+		while result[i] do
+			dbg(result[i])
+			i = i+1
+		end
+	else
+		print('###', args)
 	end	
 end 
 --- 
@@ -39,7 +47,6 @@ local function oops(err)
 	print("ERROR: ",err)
 	return nil,err
 end
-
 --- 
 -- Usage help
 local function help()
@@ -47,7 +54,6 @@ local function help()
 	print("Example usage")
 	print(example)
 end
-
 ---
 -- Waits for a mifare card to be placed within the vicinity of the reader. 
 -- @return if successfull: an table containing card info
@@ -81,6 +87,10 @@ local function nested(key,sak)
 end
 
 local function dump(uid)
+	dbg('dumping tag memory')
+
+	if utils.confirm('Do you wish to create a memory dump of tag?') then 
+
 		core.console("hf mf dump")
 		-- Save the global args, those are *our* arguments
 		local myargs = args
@@ -95,6 +105,7 @@ local function dump(uid)
 		-- Set back args. Not that it's used, just for the karma... 
 		args = myargs
 	end
+end
 --
 -- performs a test if tag nonce uses weak or hardend prng
 local function perform_prng_test()
@@ -114,11 +125,13 @@ local function main(args)
 
 	local verbose, exit, res, uid, err, _, sak
 	local seen_uids = {}
+	local key = ''
 	local print_message = true
 	-- Read the parameters
-	for o, a in getopt.getopt(args, 'hd') do
+	for o, a in getopt.getopt(args, 'hdk:') do
 		if o == "h" then help() return end
 		if o == "d" then DEBUG = true end
+		if o == 'k' then key = a end
 	end
 
 	while not exit do
@@ -132,8 +145,6 @@ local function main(args)
 		uid = res.uid
 		sak = res.sak
 			
-
-		
 		if not seen_uids[uid] then
 			-- Store it
 			seen_uids[uid] = uid
@@ -141,6 +152,10 @@ local function main(args)
 			-- check if PRNG is WEAK
 			if perform_prng_test() then  
 				print("Card found, commencing crack on UID", uid)
+
+				if #key == 12 then
+					print("Using key: "..key);
+				else 
 					-- Crack it
 					local key, cnt
 					err, res = core.mfDarkside()
@@ -159,7 +174,7 @@ local function main(args)
 					-- We can discard first and second return values
 					_,_,key = bin.unpack("H2H6",res)
 					print("Found valid key: "..key);
-
+				end
 				-- Use nested attack
 				nested(key,sak)
 				-- Dump info