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

[proxmark3-svn] / client / scripts / tnp3clone.lua

diff --git a/client/scripts/tnp3clone.lua b/client/scripts/tnp3clone.lua
index aec54838a49e106176f639c2a71dafc8d85f6246..011e0a5729edf5915f573b6eac87230b407c2dd7 100644 (file)
--- a/client/scripts/tnp3clone.lua
+++ b/client/scripts/tnp3clone.lua
@@ -51,20 +51,31 @@ local function waitCmd()
        return nil, "No response from device"
 end
 
-local function readblock( keyA )
+local function readblock( blocknum, keyA )
        -- Read block 0
-       cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 0,arg2 = 0,arg3 = 0, data = keyA}
+       cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = blocknum, arg2 = 0, arg3 = 0, data = keyA}
        err = core.SendCommand(cmd:getBytes())
-       if err then return oops(err) end
+       if err then return nil, err end
        local block0, err = waitCmd()
-       if err then return oops(err) end
+       if err then return nil, err end
+       return block0
+end
+local function readmagicblock( blocknum )
+       -- Read block 0
+       local CSETBLOCK_SINGLE_OPERATION = 0x1F
+       cmd = Command:new{cmd = cmds.CMD_MIFARE_CGETBLOCK, arg1 = CSETBLOCK_SINGLE_OPERATION, arg2 = 0, arg3 = blocknum}
+       err = core.SendCommand(cmd:getBytes())
+       if err then return nil, err end
+       local block0, err = waitCmd()
+       if err then return nil, err end
        return block0
 end
 
 local function main(args)
 
        local numBlocks = 64
-    local cset = 'hf mf csetbl'
+    local cset = 'hf mf csetbl '
+       local cget = 'hf mf cgetbl '
        local empty = '00000000000000000000000000000000'
        local AccAndKeyB = '7F078869000000000000'
        -- Defaults to Gusto
@@ -89,13 +100,21 @@ local function main(args)
        local akeys  = pre.GetAll(result.uid)
        local  keyA = akeys:sub(1, 12 ) 
 
-       local b0 = readblock(keyA)
+       local b0 = readblock(0,keyA)
+       if not b0 then
+               print('failed reading block with factorydefault key.  Trying chinese magic read.')
+           b0, err = readmagicblock(0)
+               if not b0 then 
+                       oops(err) 
+                       return oops('failed reading block with chinese magic command.  quitting...')
+               end
+       end
        local b1 = toytype..'000000000000000000000000'
        
        local calc = utils.Crc16(b0..b1)
        local calcEndian = bor(rsh(calc,8), lsh(band(calc, 0xff), 8))
        
-       local cmd  = ('hf mf csetbl 1 %s%04x'):format( b1, calcEndian)  
+       local cmd  = (cset..'1 %s%04x'):format( b1, calcEndian) 
        core.console( cmd) 
        
        local pos, key