1 local cmds = require('commands')
2 local getopt = require('getopt')
3 local lib14a = require('read14a')
5 example = "script run 14araw -x 6000F57b"
6 author = "Martin Holst Swende"
11 This is a script to allow raw 1444a commands to be sent and received.
14 -o do not connect - use this only if you previously used -p to stay connected
15 -r do not read response
16 -c calculate and append CRC
17 -p stay connected - dont inactivate the field
18 -x <payload> Data to send (NO SPACES!)
21 -3 Skip ISO14443-4 select
25 # 1. Connect and don't disconnect
27 # 2. Send mf auth, read response (nonce)
28 script run 14araw -o -x 6000F57b -p
32 # All three steps in one go:
33 script run 14araw -x 6000F57b
38 This script communicates with
39 /armsrc/iso14443a.c, specifically ReaderIso14443a() at around line 1779 and onwards.
41 Check there for details about data format and how commands are interpreted on the
46 local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
47 local DEBUG = false -- the debug flag
49 -------------------------------
51 -------------------------------
54 -- A debug printout-function
61 -- This is only meant to be used when errors occur
71 print("Example usage")
77 -- The main entry point
80 if args == nil or #args == 0 then
84 local ignore_response = false
85 local appendcrc = false
86 local stayconnected = false
88 local doconnect = true
89 local topaz_mode = false
92 -- Read the parameters
93 for o, a in getopt.getopt(args, 'corcpxt3:') do
94 if o == "o" then doconnect = false end
95 if o == "r" then ignore_response = true end
96 if o == "c" then appendcrc = true end
97 if o == "p" then stayconnected = true end
98 if o == "x" then payload = a end
99 if o == "d" then DEBUG = true end
100 if o == "t" then topaz_mode = true end
101 if o == "3" then no_rats = true end
104 -- First of all, connect
107 -- We reuse the connect functionality from a
109 info, err = lib14a.read1443a(true, no_rats)
111 if err then return oops(err) end
112 print(("Connected to card, uid = %s"):format(info.uid))
115 -- The actual raw payload, if any
117 res,err = sendRaw(payload,{ignore_response = ignore_response})
118 if err then return oops(err) end
120 if not ignoreresponse then
121 -- Display the returned data
125 -- And, perhaps disconnect?
126 if not stayconnected then
131 --- Picks out and displays the data read from a tag
132 -- Specifically, takes a usb packet, converts to a Command
133 -- (as in commands.lua), takes the data-array and
134 -- reads the number of bytes specified in arg1 (arg0 in c-struct)
135 -- and displays the data
136 -- @param usbpacket the data received from the device
137 function showdata(usbpacket)
138 local cmd_response = Command.parse(usbpacket)
139 local len = tonumber(cmd_response.arg1) *2
140 --print("data length:",len)
141 local data = string.sub(tostring(cmd_response.data), 0, len);
143 --print("----------------")
147 function sendRaw(rawdata, options)
148 print(">> ", rawdata)
150 local flags = lib14a.ISO14A_COMMAND.ISO14A_NO_DISCONNECT + lib14a.ISO14A_COMMAND.ISO14A_RAW
151 if topaz_mode == true then flags = flags + lib14a.ISO14A_COMMAND.ISO14A_TOPAZMODE end
153 local command = Command:new{cmd = cmds.CMD_READER_ISO_14443a,
154 arg1 = flags, -- Send raw
155 -- arg2 contains the length, which is half the length
156 -- of the ASCII-string rawdata
157 arg2 = string.len(rawdata)/2,
159 return lib14a.sendToDevice(command, options.ignore_response)
162 -- Sends an instruction to do nothing, only disconnect
163 function disconnect()
165 local command = Command:new{cmd = cmds.CMD_READER_ISO_14443a,
168 -- We can ignore the response here, no ACK is returned for this command
169 -- Check /armsrc/iso14443a.c, ReaderIso14443a() for details
170 return lib14a.sendToDevice(command,true)
174 -------------------------
176 -------------------------
179 dbg("Performing test")
182 main(" -o -x 6000F57b -p")
187 -- Flip the switch here to perform a sanity check.
188 -- It read a nonce in two different ways, as specified in the usage-section
189 if "--test"==args then