FIX: memcpy bug...

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

diff --git a/client/scripts/mifare_autopwn.lua b/client/scripts/mifare_autopwn.lua
index 9cc865f0172f41ab099bf8ebd7836c72cb72a7cc..eb93669c7cef8cbf55f65e6d2e0a78d4953c3cdf 100644 (file)
--- a/client/scripts/mifare_autopwn.lua
+++ b/client/scripts/mifare_autopwn.lua
@@ -4,8 +4,6 @@ local cmds = require('commands')
 
 example = "script run mifare_autopwn"
 author = "Martin Holst Swende"
-
-
 desc =
 [[
 This is a which automates cracking and dumping mifare classic cards. It sets itself into 
@@ -28,6 +26,8 @@ Output files from this operation:
 -- Some utilities 
 -------------------------------
 local DEBUG = false
+local MIFARE_AUTH_KEYA = 0x60
+local MIFARE_AUTH_KEYB = 0x61
 --- 
 -- A debug printout-function
 function dbg(args)
@@ -66,7 +66,7 @@ end
 function mfcrack()
        core.clearCommandBuffer()
        -- Build the mifare-command
-       local cmd = Command:new{cmd = cmds.CMD_READER_MIFARE, arg1 = 1}
+       local cmd = Command:new{cmd = cmds.CMD_READER_MIFARE, arg1 = 1, arg2 = 0, arg3 = MIFARE_AUTH_KEYA}
        
        local retry = true
        while retry do
@@ -78,12 +78,11 @@ function mfcrack()
                if errormessage then return nil, errormessage end
                -- Try again..set arg1 to 0 this time. 
 
-               cmd = Command:new{cmd = cmds.CMD_READER_MIFARE, arg1 = 0}
+               cmd = Command:new{cmd = cmds.CMD_READER_MIFARE, arg1 = 0, arg2 = 0, arg3 = MIFARE_AUTH_KEYA}
        end     
        return nil, "Aborted by user"
 end
 
-
 function mfcrack_inner()
        while not core.ukbhit() do              
                local result = core.WaitForResponseTimeout(cmds.CMD_ACK,1000)
@@ -112,6 +111,8 @@ function mfcrack_inner()
                                return nil, "Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests). You can try 'script run mfkeys' or 'hf mf chk' to test various known keys."
                        elseif isOK == 0xFFFFFFFD then
                                return nil, "Card is not vulnerable to Darkside attack (its random number generator is not predictable). You can try 'script run mfkeys' or 'hf mf chk' to test various known keys."
+                       elseif isOK == 0xFFFFFFFC then
+                               return nil, "The card's random number generator behaves somewhat weird (Mifare clone?). You can try 'script run mfkeys' or 'hf mf chk' to test various known keys."
                        elseif isOK ~= 1 then 
                                return nil, "Error occurred" 
                        end
@@ -131,7 +132,7 @@ function mfcrack_inner()
                        local uid,nt,pl = get(4),get(4),get(8)
                        local ks,nr = get(8),get(4)
 
-                       local status, key = core.nonce2key(uid,nt, nr, pl,ks)
+                       local status, key = core.nonce2key(uid, nt, nr, pl, ks)
                        if not status then return status,key end
 
                        if status > 0 then 
@@ -185,10 +186,9 @@ end
 -- The main entry point
 function main(args)
 
-
        local verbose, exit,res,uid,err,_,sak
        local seen_uids = {}
-
+       local print_message = true
        -- Read the parameters
        for o, a in getopt.getopt(args, 'hd') do
                if o == "h" then help() return end
@@ -196,6 +196,10 @@ function main(args)
        end
 
        while not exit do
+               if print_message then
+                       print("Waiting for card or press any key to stop")
+                       print_message = false
+               end
                res, err = wait_for_mifare()
                if err then return oops(err) end
                -- Seen already?
@@ -204,7 +208,7 @@ function main(args)
                if not seen_uids[uid] then
                        -- Store it
                        seen_uids[uid] = uid
-                       print("Card found, commencing crack", uid)
+                       print("Card found, commencing crack on UID", uid)
                        -- Crack it
                        local key, cnt
                        res,err = mfcrack()
@@ -215,12 +219,13 @@ function main(args)
                        -- two bytes, then six bytes actual key data
                        -- We can discard first and second return values
                        _,_,key = bin.unpack("H2H6",res)
-                       print("Key ", key)
+                       print("Found valid key: "..key);
 
                        -- Use nested attack
                        nested(key,sak)
                        -- Dump info
                        dump(uid)
+                       print_message = true
                end
        end
 end