Adjust LUA scripts to new ISO14A_NO_RATS option
[proxmark3-svn] / client / scripts / tnp3dump.lua
1 local cmds = require('commands')
2 local getopt = require('getopt')
3 local bin = require('bin')
4 local lib14a = require('read14a')
5 local utils = require('utils')
6 local md5 = require('md5')
7 local dumplib = require('html_dumplib')
8 local toys = require('default_toys')
9
10 example =[[
11 script run tnp3dump
12 script run tnp3dump -n
13 script run tnp3dump -p
14 script run tnp3dump -k aabbccddeeff
15 script run tnp3dump -k aabbccddeeff -n
16 script run tnp3dump -o myfile
17 script run tnp3dump -n -o myfile
18 script run tnp3dump -p -o myfile
19 script run tnp3dump -k aabbccddeeff -n -o myfile
20 ]]
21 author = "Iceman"
22 usage = "script run tnp3dump -k <key> -n -p -o <filename>"
23 desc =[[
24 This script will try to dump the contents of a Mifare TNP3xxx card.
25 It will need a valid KeyA in order to find the other keys and decode the card.
26 Arguments:
27 -h : this help
28 -k <key> : Sector 0 Key A.
29 -n : Use the nested cmd to find all keys
30 -p : Use the precalc to find all keys
31 -o : filename for the saved dumps
32 ]]
33 local RANDOM = '20436F707972696768742028432920323031302041637469766973696F6E2E20416C6C205269676874732052657365727665642E20'
34 local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
35 local DEBUG = false -- the debug flag
36 local numBlocks = 64
37 local numSectors = 16
38 ---
39 -- A debug printout-function
40 function dbg(args)
41 if not DEBUG then
42 return
43 end
44
45 if type(args) == "table" then
46 local i = 1
47 while result[i] do
48 dbg(result[i])
49 i = i+1
50 end
51 else
52 print("###", args)
53 end
54 end
55 ---
56 -- This is only meant to be used when errors occur
57 function oops(err)
58 print("ERROR: ",err)
59 end
60 ---
61 -- Usage help
62 function help()
63 print(desc)
64 print("Example usage")
65 print(example)
66 end
67 --
68 -- Exit message
69 function ExitMsg(msg)
70 print( string.rep('--',20) )
71 print( string.rep('--',20) )
72 print(msg)
73 print()
74 end
75
76 local function readdumpkeys(infile)
77 t = infile:read("*all")
78 len = string.len(t)
79 local len,hex = bin.unpack(("H%d"):format(len),t)
80 return hex
81 end
82
83 local function waitCmd()
84 local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
85 if response then
86 local count,cmd,arg0 = bin.unpack('LL',response)
87 if(arg0==1) then
88 local count,arg1,arg2,data = bin.unpack('LLH511',response,count)
89 return data:sub(1,32)
90 else
91 return nil, "Couldn't read block.."
92 end
93 end
94 return nil, "No response from device"
95 end
96
97 local function main(args)
98
99 print( string.rep('--',20) )
100 print( string.rep('--',20) )
101
102 local keyA
103 local cmd
104 local err
105 local useNested = false
106 local usePreCalc = false
107 local cmdReadBlockString = 'hf mf rdbl %d A %s'
108 local input = "dumpkeys.bin"
109 local outputTemplate = os.date("toydump_%Y-%m-%d_%H%M%S");
110
111 -- Arguments for the script
112 for o, a in getopt.getopt(args, 'hk:npo:') do
113 if o == "h" then return help() end
114 if o == "k" then keyA = a end
115 if o == "n" then useNested = true end
116 if o == "p" then usePreCalc = true end
117 if o == "o" then outputTemplate = a end
118 end
119
120 -- validate input args.
121 keyA = keyA or '4b0b20107ccb'
122 if #(keyA) ~= 12 then
123 return oops( string.format('Wrong length of write key (was %d) expected 12', #keyA))
124 end
125
126 -- Turn off Debug
127 local cmdSetDbgOff = "hf mf dbg 0"
128 core.console( cmdSetDbgOff)
129
130 result, err = lib14a.read1443a(false, true)
131 if not result then
132 return oops(err)
133 end
134
135 core.clearCommandBuffer()
136
137 -- Show tag info
138 print((' Found tag %s'):format(result.name))
139
140 dbg(('Using keyA : %s'):format(keyA))
141
142 --Trying to find the other keys
143 if useNested then
144 core.console( ('hf mf nested 1 0 A %s d'):format(keyA) )
145 end
146
147 core.clearCommandBuffer()
148
149 local akeys = ''
150 if usePreCalc then
151 local pre = require('precalc')
152 akeys = pre.GetAll(result.uid)
153 else
154 print('Loading dumpkeys.bin')
155 local hex, err = utils.ReadDumpFile(input)
156 if not hex then
157 return oops(err)
158 end
159 akeys = hex:sub(0,12*16)
160 end
161
162 -- Read block 0
163 cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 0,arg2 = 0,arg3 = 0, data = keyA}
164 err = core.SendCommand(cmd:getBytes())
165 if err then return oops(err) end
166 local block0, err = waitCmd()
167 if err then return oops(err) end
168
169 -- Read block 1
170 cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 1,arg2 = 0,arg3 = 0, data = keyA}
171 err = core.SendCommand(cmd:getBytes())
172 if err then return oops(err) end
173 local block1, err = waitCmd()
174 if err then return oops(err) end
175
176 local tmpHash = block0..block1..'%02x'..RANDOM
177
178 local key
179 local pos = 0
180 local blockNo
181 local blocks = {}
182
183 print('Reading card data')
184 core.clearCommandBuffer()
185
186 -- main loop
187 io.write('Reading blocks > ')
188 for blockNo = 0, numBlocks-1, 1 do
189
190 if core.ukbhit() then
191 print("aborted by user")
192 break
193 end
194
195 pos = (math.floor( blockNo / 4 ) * 12)+1
196 key = akeys:sub(pos, pos + 11 )
197 cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = blockNo ,arg2 = 0,arg3 = 0, data = key}
198 local err = core.SendCommand(cmd:getBytes())
199 if err then return oops(err) end
200 local blockdata, err = waitCmd()
201 if err then return oops(err) end
202
203
204 if blockNo%4 ~= 3 then
205
206 if blockNo < 8 then
207 -- Block 0-7 not encrypted
208 blocks[blockNo+1] = ('%02d :: %s'):format(blockNo,blockdata)
209 else
210 -- blocks with zero not encrypted.
211 if string.find(blockdata, '^0+$') then
212 blocks[blockNo+1] = ('%02d :: %s'):format(blockNo,blockdata)
213 else
214 local baseStr = utils.ConvertHexToAscii(tmpHash:format(blockNo))
215 local key = md5.sumhexa(baseStr)
216 local aestest = core.aes128_decrypt(key, blockdata)
217 local hex = utils.ConvertAsciiToBytes(aestest)
218 hex = utils.ConvertBytesToHex(hex)
219 blocks[blockNo+1] = ('%02d :: %s'):format(blockNo,hex)
220 io.write(blockNo..',')
221 end
222 end
223 else
224 -- Sectorblocks, not encrypted
225 blocks[blockNo+1] = ('%02d :: %s%s'):format(blockNo,key,blockdata:sub(13,32))
226 end
227 end
228 io.write('\n')
229
230 core.clearCommandBuffer()
231
232 -- Print results
233 local bindata = {}
234 local emldata = ''
235
236 for _,s in pairs(blocks) do
237 local slice = s:sub(8,#s)
238 local str = utils.ConvertBytesToAscii(
239 utils.ConvertHexToBytes(slice)
240 )
241 emldata = emldata..slice..'\n'
242 for c in (str):gmatch('.') do
243 bindata[#bindata+1] = c
244 end
245 end
246
247 print( string.rep('--',20) )
248
249 local uid = block0:sub(1,8)
250 local toytype = block1:sub(1,4)
251 local cardidLsw = block1:sub(9,16)
252 local cardidMsw = block1:sub(16,24)
253 local cardid = block1:sub(9,24)
254 local subtype = block1:sub(25,28)
255
256 -- Write dump to files
257 if not DEBUG then
258 local foo = dumplib.SaveAsBinary(bindata, outputTemplate..'-'..uid..'.bin')
259 print(("Wrote a BIN dump to: %s"):format(foo))
260 local bar = dumplib.SaveAsText(emldata, outputTemplate..'-'..uid..'.eml')
261 print(("Wrote a EML dump to: %s"):format(bar))
262 end
263
264 print( string.rep('--',20) )
265 -- Show info
266
267 local item = toys.Find(toytype, subtype)
268 if item then
269 print((' ITEM TYPE : %s - %s (%s)'):format(item[6],item[5], item[4]) )
270 else
271 print((' ITEM TYPE : 0x%s 0x%s'):format(toytype, subtype))
272 end
273
274 print( (' UID : 0x%s'):format(uid) )
275 print( (' CARDID : 0x%s'):format(cardid ) )
276 print( string.rep('--',20) )
277
278 core.clearCommandBuffer()
279 end
280 main(args)
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