Commit | Line | Data |
---|---|---|
a2d82b46 | 1 | --[[ |
2 | This is a library to read 14443a tags. It can be used something like this | |
3 | ||
4 | local reader = require('read14a') | |
e98389b3 | 5 | result, err = reader.read14443a() |
a2d82b46 | 6 | if not result then |
7 | print(err) | |
8 | return | |
9 | end | |
10 | print(result.name) | |
11 | ||
12 | --]] | |
13 | -- Loads the commands-library | |
14 | local cmds = require('commands') | |
15 | local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds | |
16 | local ISO14A_COMMAND = { | |
17 | ISO14A_CONNECT = 1, | |
18 | ISO14A_NO_DISCONNECT = 2, | |
19 | ISO14A_APDU = 4, | |
20 | ISO14A_RAW = 8, | |
21 | ISO14A_REQUEST_TRIGGER = 0x10, | |
22 | ISO14A_APPEND_CRC = 0x20, | |
9ccfb3a8 | 23 | ISO14A_SET_TIMEOUT = 0x40, |
24 | ISO14A_NO_SELECT = 0x80, | |
5d8f664d | 25 | ISO14A_TOPAZMODE = 0x100, |
26 | ISO14A_NO_RATS = 0x200 | |
a2d82b46 | 27 | } |
28 | ||
e98389b3 | 29 | local ISO14443a_TYPES = {} |
a2d82b46 | 30 | ISO14443a_TYPES[0x00] = "NXP MIFARE Ultralight | Ultralight C" |
3af373f3 | 31 | ISO14443a_TYPES[0x01] = "NXP MIFARE TNP3xxx Activision Game Appliance" |
a2d82b46 | 32 | ISO14443a_TYPES[0x04] = "NXP MIFARE (various !DESFire !DESFire EV1)" |
33 | ISO14443a_TYPES[0x08] = "NXP MIFARE CLASSIC 1k | Plus 2k" | |
34 | ISO14443a_TYPES[0x09] = "NXP MIFARE Mini 0.3k" | |
35 | ISO14443a_TYPES[0x10] = "NXP MIFARE Plus 2k" | |
36 | ISO14443a_TYPES[0x11] = "NXP MIFARE Plus 4k" | |
37 | ISO14443a_TYPES[0x18] = "NXP MIFARE Classic 4k | Plus 4k" | |
38 | ISO14443a_TYPES[0x20] = "NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k | JCOP 31/41" | |
39 | ISO14443a_TYPES[0x24] = "NXP MIFARE DESFire | DESFire EV1" | |
40 | ISO14443a_TYPES[0x28] = "JCOP31 or JCOP41 v2.3.1" | |
41 | ISO14443a_TYPES[0x38] = "Nokia 6212 or 6131 MIFARE CLASSIC 4K" | |
42 | ISO14443a_TYPES[0x88] = "Infineon MIFARE CLASSIC 1K" | |
43 | ISO14443a_TYPES[0x98] = "Gemplus MPCOS" | |
44 | ||
45 | ||
e98389b3 | 46 | local function tostring_14443a(sak) |
a2d82b46 | 47 | return ISO14443a_TYPES[sak] or ("Unknown (SAK=%x)"):format(sak) |
48 | end | |
49 | ||
e98389b3 | 50 | local function parse14443a(data) |
a2d82b46 | 51 | --[[ |
52 | ||
e98389b3 | 53 | Based on this struct : |
a2d82b46 | 54 | |
55 | typedef struct { | |
56 | byte_t uid[10]; | |
57 | byte_t uidlen; | |
58 | byte_t atqa[2]; | |
59 | byte_t sak; | |
60 | byte_t ats_len; | |
61 | byte_t ats[256]; | |
62 | } __attribute__((__packed__)) iso14a_card_select_t; | |
63 | ||
64 | --]] | |
65 | ||
66 | local count,uid,uidlen, atqa, sak, ats_len, ats= bin.unpack('H10CH2CC',data) | |
67 | uid = uid:sub(1,2*uidlen) | |
68 | --print("uid, atqa, sak: ",uid, atqa, sak) | |
e98389b3 A |
69 | --print("TYPE: ", tostring_14443a(sak)) |
70 | return { uid = uid, atqa = atqa, sak = sak, name = tostring_14443a(sak)} | |
a2d82b46 | 71 | end |
72 | ||
b61f426c | 73 | --- Sends a USBpacket to the device |
74 | -- @param command - the usb packet to send | |
e98389b3 A |
75 | -- @param ignoreresponse - if set to true, we don't read the device answer packet |
76 | -- which is usually recipe for fail. If not sent, the host will wait 2s for a | |
b61f426c | 77 | -- response of type CMD_ACK |
78 | -- @return packet,nil if successfull | |
79 | -- nil, errormessage if unsuccessfull | |
80 | ||
81 | local function sendToDevice(command, ignoreresponse) | |
82 | core.clearCommandBuffer() | |
83 | local err = core.SendCommand(command:getBytes()) | |
84 | if err then | |
85 | print(err) | |
86 | return nil, err | |
87 | end | |
88 | if ignoreresponse then return nil,nil end | |
89 | ||
90 | local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT) | |
91 | return response,nil | |
92 | end | |
93 | ||
65e344df | 94 | -- This function does a connect and retrieves som einfo |
95 | -- @param dont_disconnect - if true, does not disable the field | |
5d8f664d | 96 | -- @param no_rats - if true, skips ISO14443-4 select (RATS) |
65e344df | 97 | -- @return if successfull: an table containing card info |
98 | -- @return if unsuccessfull : nil, error | |
5d8f664d | 99 | local function read14443a(dont_disconnect, no_rats) |
65e344df | 100 | local command, result, info, err, data |
101 | ||
e98389b3 | 102 | command = Command:new{cmd = cmds.CMD_READER_ISO_14443a, |
65e344df | 103 | arg1 = ISO14A_COMMAND.ISO14A_CONNECT} |
104 | if dont_disconnect then | |
105 | command.arg1 = command.arg1 + ISO14A_COMMAND.ISO14A_NO_DISCONNECT | |
106 | end | |
5d8f664d | 107 | if no_rats then |
108 | command.arg1 = command.arg1 + ISO14A_COMMAND.ISO14A_NO_RATS | |
109 | end | |
65e344df | 110 | local result,err = sendToDevice(command) |
111 | if result then | |
112 | local count,cmd,arg0,arg1,arg2 = bin.unpack('LLLL',result) | |
e98389b3 | 113 | if arg0 == 0 then |
65e344df | 114 | return nil, "iso14443a card select failed" |
a2d82b46 | 115 | end |
65e344df | 116 | data = string.sub(result,count) |
e98389b3 | 117 | info, err = parse14443a(data) |
65e344df | 118 | else |
119 | err ="No response from card" | |
120 | end | |
a2d82b46 | 121 | |
e98389b3 A |
122 | if err then |
123 | print(err) | |
65e344df | 124 | return nil, err |
125 | end | |
126 | return info | |
127 | end | |
128 | ||
129 | --- | |
e98389b3 | 130 | -- Waits for a mifare card to be placed within the vicinity of the reader. |
65e344df | 131 | -- @return if successfull: an table containing card info |
132 | -- @return if unsuccessfull : nil, error | |
133 | local function waitFor14443a() | |
134 | print("Waiting for card... press any key to quit") | |
135 | while not core.ukbhit() do | |
136 | res, err = read14443a() | |
137 | if res then return res end | |
138 | -- err means that there was no response from card | |
139 | end | |
140 | return nil, "Aborted by user" | |
141 | end | |
e98389b3 | 142 | |
65e344df | 143 | local library = { |
e98389b3 A |
144 | read14443a = read14443a, |
145 | read = read14443a, | |
65e344df | 146 | waitFor14443a = waitFor14443a, |
e98389b3 | 147 | parse14443a = parse14443a, |
b61f426c | 148 | sendToDevice = sendToDevice, |
149 | ISO14A_COMMAND = ISO14A_COMMAND, | |
a2d82b46 | 150 | } |
151 | ||
e98389b3 | 152 | return library |