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1//-----------------------------------------------------------------------------
2// 2011, Merlok
3// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
4//
5// This code is licensed to you under the terms of the GNU GPL, version 2 or,
6// at your option, any later version. See the LICENSE.txt file for the text of
7// the license.
8//-----------------------------------------------------------------------------
9// High frequency ISO14443A commands
10//-----------------------------------------------------------------------------
11
12#include <stdio.h>
13#include <stdlib.h>
14#include <inttypes.h>
15#include <string.h>
16#include <unistd.h>
17#include "util.h"
18#include "iso14443crc.h"
19#include "data.h"
20#include "proxmark3.h"
21#include "ui.h"
22#include "cmdparser.h"
23#include "cmdhf14a.h"
24#include "common.h"
25#include "cmdmain.h"
26#include "mifare.h"
27#include "cmdhfmfu.h"
28
29static int CmdHelp(const char *Cmd);
30static void waitCmd(uint8_t iLen);
31
32// structure and database for uid -> tagtype lookups
33typedef struct {
34 uint8_t uid;
35 char* desc;
36} manufactureName;
37
38const manufactureName manufactureMapping[] = {
39 // ID, "Vendor Country"
40 { 0x01, "Motorola UK" },
41 { 0x02, "ST Microelectronics SA France" },
42 { 0x03, "Hitachi, Ltd Japan" },
43 { 0x04, "NXP Semiconductors Germany" },
44 { 0x05, "Infineon Technologies AG Germany" },
45 { 0x06, "Cylink USA" },
46 { 0x07, "Texas Instrument France" },
47 { 0x08, "Fujitsu Limited Japan" },
48 { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
49 { 0x0A, "NEC Japan" },
50 { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
51 { 0x0C, "Toshiba Corp. Japan" },
52 { 0x0D, "Mitsubishi Electric Corp. Japan" },
53 { 0x0E, "Samsung Electronics Co. Ltd Korea" },
54 { 0x0F, "Hynix / Hyundai, Korea" },
55 { 0x10, "LG-Semiconductors Co. Ltd Korea" },
56 { 0x11, "Emosyn-EM Microelectronics USA" },
57 { 0x12, "INSIDE Technology France" },
58 { 0x13, "ORGA Kartensysteme GmbH Germany" },
59 { 0x14, "SHARP Corporation Japan" },
60 { 0x15, "ATMEL France" },
61 { 0x16, "EM Microelectronic-Marin SA Switzerland" },
62 { 0x17, "KSW Microtec GmbH Germany" },
63 { 0x18, "ZMD AG Germany" },
64 { 0x19, "XICOR, Inc. USA" },
65 { 0x1A, "Sony Corporation Japan Identifier Company Country" },
66 { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
67 { 0x1C, "Emosyn USA" },
68 { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
69 { 0x1E, "Magellan Technology Pty Limited Australia" },
70 { 0x1F, "Melexis NV BO Switzerland" },
71 { 0x20, "Renesas Technology Corp. Japan" },
72 { 0x21, "TAGSYS France" },
73 { 0x22, "Transcore USA" },
74 { 0x23, "Shanghai belling corp., ltd. China" },
75 { 0x24, "Masktech Germany Gmbh Germany" },
76 { 0x25, "Innovision Research and Technology Plc UK" },
77 { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
78 { 0x27, "Cypak AB Sweden" },
79 { 0x28, "Ricoh Japan" },
80 { 0x29, "ASK France" },
81 { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
82 { 0x2B, "Dallas Semiconductor/Maxim USA" },
83 { 0x2C, "Impinj, Inc. USA" },
84 { 0x2D, "RightPlug Alliance USA" },
85 { 0x2E, "Broadcom Corporation USA" },
86 { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
87 { 0x30, "BeeDar Technology Inc. USA" },
88 { 0x31, "RFIDsec Denmark" },
89 { 0x32, "Schweizer Electronic AG Germany" },
90 { 0x33, "AMIC Technology Corp Taiwan" },
91 { 0x34, "Mikron JSC Russia" },
92 { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
93 { 0x36, "IDS Microchip AG Switzerland" },
94 { 0x37, "Kovio USA" },
95 { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
96 { 0x39, "Silicon Craft Technology Thailand" },
97 { 0x3A, "Advanced Film Device Inc. Japan" },
98 { 0x3B, "Nitecrest Ltd UK" },
99 { 0x3C, "Verayo Inc. USA" },
100 { 0x3D, "HID Global USA" },
101 { 0x3E, "Productivity Engineering Gmbh Germany" },
102 { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
103 { 0x40, "Gemalto SA France" },
104 { 0x41, "Renesas Electronics Corporation Japan" },
105 { 0x42, "3Alogics Inc Korea" },
106 { 0x43, "Top TroniQ Asia Limited Hong Kong" },
107 { 0x44, "Gentag Inc (USA) USA" },
108 { 0x00, "no tag-info available" } // must be the last entry
109};
110
111
112// get a product description based on the UID
113// uid[8] tag uid
114// returns description of the best match
115char* getTagInfo(uint8_t uid) {
116
117 int i;
118 int len = sizeof(manufactureMapping) / sizeof(manufactureName);
119
120 for ( i = 0; i < len; ++i )
121 if ( uid == manufactureMapping[i].uid)
122 return manufactureMapping[i].desc;
123
124 //No match, return default
125 return manufactureMapping[len-1].desc;
126}
127
128int CmdHF14AList(const char *Cmd)
129{
130 PrintAndLog("Deprecated command, use 'hf list 14a' instead");
131 return 0;
132}
133
134int CmdHF14AReader(const char *Cmd)
135{
136 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
137 SendCommand(&c);
138
139 UsbCommand resp;
140 WaitForResponse(CMD_ACK,&resp);
141
142 iso14a_card_select_t card;
143 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
144
145 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
146
147 if(select_status == 0) {
148 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
149 // disconnect
150 c.arg[0] = 0;
151 c.arg[1] = 0;
152 c.arg[2] = 0;
153 SendCommand(&c);
154 return 0;
155 }
156
157 if(select_status == 3) {
158 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
159 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
160 // disconnect
161 c.arg[0] = 0;
162 c.arg[1] = 0;
163 c.arg[2] = 0;
164 SendCommand(&c);
165 return 0;
166 }
167
168 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
169 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
170 PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
171
172 switch (card.sak) {
173 case 0x00:
174
175 //***************************************test****************
176 // disconnect
177 c.arg[0] = 0;
178 c.arg[1] = 0;
179 c.arg[2] = 0;
180 SendCommand(&c);
181
182 uint32_t tagT = GetHF14AMfU_Type();
183 ul_print_type(tagT, 0);
184
185 //reconnect for further tests
186 c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
187 c.arg[1] = 0;
188 c.arg[2] = 0;
189
190 SendCommand(&c);
191
192 UsbCommand resp;
193 WaitForResponse(CMD_ACK,&resp);
194
195 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
196
197 select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
198
199 if(select_status == 0) {
200 //PrintAndLog("iso14443a card select failed");
201 // disconnect
202 c.arg[0] = 0;
203 c.arg[1] = 0;
204 c.arg[2] = 0;
205 SendCommand(&c);
206 return 0;
207 }
208
209 /* orig
210 // check if the tag answers to GETVERSION (0x60)
211 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
212 c.arg[1] = 1;
213 c.arg[2] = 0;
214 c.d.asBytes[0] = 0x60;
215 SendCommand(&c);
216 WaitForResponse(CMD_ACK,&resp);
217
218 uint8_t version[10] = {0};
219 memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
220 uint8_t len = resp.arg[0] & 0xff;
221 switch ( len ){
222 // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
223 // UL-EV1, size, check version[6] == 0x0b (smaller) 0x0b * 4 == 48
224 case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);break;
225 case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
226 case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
227 }
228 */
229 break;
230 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
231 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
232 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
233 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
234 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
235 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
236 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
237 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
238 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
239 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
240 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
241 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
242 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
243 default: ;
244 }
245
246 // Double & triple sized UID, can be mapped to a manufacturer.
247 // HACK: does this apply for Ultralight cards?
248 if ( card.uidlen > 4 ) {
249 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
250 }
251
252 // try to request ATS even if tag claims not to support it
253 if (select_status == 2) {
254 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
255 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
256 c.arg[1] = 2;
257 c.arg[2] = 0;
258 memcpy(c.d.asBytes, rats, 2);
259 SendCommand(&c);
260 WaitForResponse(CMD_ACK,&resp);
261
262 memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
263 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
264 }
265
266 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
267 bool ta1 = 0, tb1 = 0, tc1 = 0;
268 int pos;
269
270 if (select_status == 2) {
271 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
272 }
273 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
274 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
275 if (card.ats[0] != card.ats_len - 2) {
276 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
277 }
278
279 if (card.ats[0] > 1) { // there is a format byte (T0)
280 ta1 = (card.ats[1] & 0x10) == 0x10;
281 tb1 = (card.ats[1] & 0x20) == 0x20;
282 tc1 = (card.ats[1] & 0x40) == 0x40;
283 int16_t fsci = card.ats[1] & 0x0f;
284 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
285 "TC1 is%s present, FSCI is %d (FSC = %ld)",
286 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
287 fsci,
288 fsci < 5 ? (fsci - 2) * 8 :
289 fsci < 8 ? (fsci - 3) * 32 :
290 fsci == 8 ? 256 :
291 -1
292 );
293 }
294 pos = 2;
295 if (ta1) {
296 char dr[16], ds[16];
297 dr[0] = ds[0] = '\0';
298 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
299 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
300 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
301 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
302 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
303 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
304 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
305 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
306 PrintAndLog(" - TA1 : different divisors are%s supported, "
307 "DR: [%s], DS: [%s]",
308 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
309 pos++;
310 }
311 if (tb1) {
312 uint32_t sfgi = card.ats[pos] & 0x0F;
313 uint32_t fwi = card.ats[pos] >> 4;
314 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
315 (sfgi),
316 sfgi ? "" : "(not needed) ",
317 sfgi ? (1 << 12) << sfgi : 0,
318 fwi,
319 (1 << 12) << fwi
320 );
321 pos++;
322 }
323 if (tc1) {
324 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
325 (card.ats[pos] & 0x01) ? "" : " NOT",
326 (card.ats[pos] & 0x02) ? "" : " NOT");
327 pos++;
328 }
329 if (card.ats[0] > pos) {
330 char *tip = "";
331 if (card.ats[0] - pos >= 7) {
332 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
333 tip = "-> MIFARE Plus X 2K or 4K";
334 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
335 tip = "-> MIFARE Plus S 2K or 4K";
336 }
337 }
338 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
339 if (card.ats[pos] == 0xC1) {
340 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
341 PrintAndLog(" %02x -> Length is %d bytes",
342 card.ats[pos + 1], card.ats[pos + 1]);
343 switch (card.ats[pos + 2] & 0xf0) {
344 case 0x10:
345 PrintAndLog(" 1x -> MIFARE DESFire");
346 break;
347 case 0x20:
348 PrintAndLog(" 2x -> MIFARE Plus");
349 break;
350 }
351 switch (card.ats[pos + 2] & 0x0f) {
352 case 0x00:
353 PrintAndLog(" x0 -> <1 kByte");
354 break;
355 case 0x01:
356 PrintAndLog(" x1 -> 1 kByte");
357 break;
358 case 0x02:
359 PrintAndLog(" x2 -> 2 kByte");
360 break;
361 case 0x03:
362 PrintAndLog(" x3 -> 4 kByte");
363 break;
364 case 0x04:
365 PrintAndLog(" x4 -> 8 kByte");
366 break;
367 }
368 switch (card.ats[pos + 3] & 0xf0) {
369 case 0x00:
370 PrintAndLog(" 0x -> Engineering sample");
371 break;
372 case 0x20:
373 PrintAndLog(" 2x -> Released");
374 break;
375 }
376 switch (card.ats[pos + 3] & 0x0f) {
377 case 0x00:
378 PrintAndLog(" x0 -> Generation 1");
379 break;
380 case 0x01:
381 PrintAndLog(" x1 -> Generation 2");
382 break;
383 case 0x02:
384 PrintAndLog(" x2 -> Generation 3");
385 break;
386 }
387 switch (card.ats[pos + 4] & 0x0f) {
388 case 0x00:
389 PrintAndLog(" x0 -> Only VCSL supported");
390 break;
391 case 0x01:
392 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
393 break;
394 case 0x0E:
395 PrintAndLog(" xE -> no VCS command supported");
396 break;
397 }
398 }
399 }
400 } else {
401 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
402 }
403
404
405 // try to see if card responses to "chinese magic backdoor" commands.
406 c.cmd = CMD_MIFARE_CIDENT;
407 c.arg[0] = 0;
408 c.arg[1] = 0;
409 c.arg[2] = 0;
410 SendCommand(&c);
411 WaitForResponse(CMD_ACK,&resp);
412 uint8_t isOK = resp.arg[0] & 0xff;
413 PrintAndLog("Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
414
415 // disconnect
416 c.cmd = CMD_READER_ISO_14443a;
417 c.arg[0] = 0;
418 c.arg[1] = 0;
419 c.arg[2] = 0;
420 SendCommand(&c);
421
422 return select_status;
423}
424
425// Collect ISO14443 Type A UIDs
426int CmdHF14ACUIDs(const char *Cmd)
427{
428 // requested number of UIDs
429 int n = atoi(Cmd);
430 // collect at least 1 (e.g. if no parameter was given)
431 n = n > 0 ? n : 1;
432
433 PrintAndLog("Collecting %d UIDs", n);
434 PrintAndLog("Start: %u", time(NULL));
435 // repeat n times
436 for (int i = 0; i < n; i++) {
437 // execute anticollision procedure
438 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
439 SendCommand(&c);
440
441 UsbCommand resp;
442 WaitForResponse(CMD_ACK,&resp);
443
444 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
445
446 // check if command failed
447 if (resp.arg[0] == 0) {
448 PrintAndLog("Card select failed.");
449 } else {
450 char uid_string[20];
451 for (uint16_t i = 0; i < card->uidlen; i++) {
452 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
453 }
454 PrintAndLog("%s", uid_string);
455 }
456 }
457 PrintAndLog("End: %u", time(NULL));
458
459 return 1;
460}
461
462// ## simulate iso14443a tag
463// ## greg - added ability to specify tag UID
464int CmdHF14ASim(const char *Cmd)
465{
466 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
467
468 // Retrieve the tag type
469 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
470
471 // When no argument was given, just print help message
472 if (tagtype == 0) {
473 PrintAndLog("");
474 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
475 PrintAndLog("");
476 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
477 PrintAndLog(" types: 1 = MIFARE Classic");
478 PrintAndLog(" 2 = MIFARE Ultralight");
479 PrintAndLog(" 3 = MIFARE Desfire");
480 PrintAndLog(" 4 = ISO/IEC 14443-4");
481 PrintAndLog(" 5 = MIFARE Tnp3xxx");
482 PrintAndLog("");
483 return 1;
484 }
485
486 // Store the tag type
487 c.arg[0] = tagtype;
488
489 // Retrieve the full 4 or 7 byte long uid
490 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
491
492 // Are we handling the (optional) second part uid?
493 if (long_uid > 0xffffffff) {
494 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014" PRIx64 ")",long_uid);
495 // Store the second part
496 c.arg[2] = (long_uid & 0xffffffff);
497 long_uid >>= 32;
498 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
499 c.arg[1] = (long_uid & 0xffffff);
500 } else {
501 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
502 // Only store the first part
503 c.arg[1] = long_uid & 0xffffffff;
504 }
505/*
506 // At lease save the mandatory first part of the UID
507 c.arg[0] = long_uid & 0xffffffff;
508
509 if (c.arg[1] == 0) {
510 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
511 }
512
513 switch (c.arg[0]) {
514 case 1: {
515 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
516 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
517 } break;
518 case 2: {
519 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
520 } break;
521 default: {
522 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
523 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
524 PrintAndLog(" type1: 4 ",c.arg[0]);
525
526 return 1;
527 } break;
528 }
529*/
530/*
531 unsigned int hi = 0, lo = 0;
532 int n = 0, i = 0;
533 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
534 hi= (hi << 4) | (lo >> 28);
535 lo= (lo << 4) | (n & 0xf);
536 }
537*/
538// UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
539// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
540 SendCommand(&c);
541 return 0;
542}
543
544int CmdHF14ASnoop(const char *Cmd) {
545 int param = 0;
546
547 uint8_t ctmp = param_getchar(Cmd, 0) ;
548 if (ctmp == 'h' || ctmp == 'H') {
549 PrintAndLog("It get data from the field and saves it into command buffer.");
550 PrintAndLog("Buffer accessible from command hf list 14a.");
551 PrintAndLog("Usage: hf 14a snoop [c][r]");
552 PrintAndLog("c - triggered by first data from card");
553 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
554 PrintAndLog("sample: hf 14a snoop c r");
555 return 0;
556 }
557
558 for (int i = 0; i < 2; i++) {
559 ctmp = param_getchar(Cmd, i);
560 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
561 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
562 }
563
564 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
565 SendCommand(&c);
566 return 0;
567}
568
569
570int CmdHF14ACmdRaw(const char *cmd) {
571 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
572 bool reply=1;
573 bool crc = FALSE;
574 bool power = FALSE;
575 bool active = FALSE;
576 bool active_select = FALSE;
577 uint16_t numbits = 0;
578 bool bTimeout = FALSE;
579 uint32_t timeout = 0;
580 bool topazmode = FALSE;
581 char buf[5]="";
582 int i = 0;
583 uint8_t data[USB_CMD_DATA_SIZE];
584 uint16_t datalen = 0;
585 uint32_t temp;
586
587 if (strlen(cmd)<2) {
588 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
589 PrintAndLog(" -r do not read response");
590 PrintAndLog(" -c calculate and append CRC");
591 PrintAndLog(" -p leave the signal field ON after receive");
592 PrintAndLog(" -a active signal field ON without select");
593 PrintAndLog(" -s active signal field ON with select");
594 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
595 PrintAndLog(" -t timeout in ms");
596 PrintAndLog(" -T use Topaz protocol to send command");
597 return 0;
598 }
599
600
601 // strip
602 while (*cmd==' ' || *cmd=='\t') cmd++;
603
604 while (cmd[i]!='\0') {
605 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
606 if (cmd[i]=='-') {
607 switch (cmd[i+1]) {
608 case 'r':
609 reply = FALSE;
610 break;
611 case 'c':
612 crc = TRUE;
613 break;
614 case 'p':
615 power = TRUE;
616 break;
617 case 'a':
618 active = TRUE;
619 break;
620 case 's':
621 active_select = TRUE;
622 break;
623 case 'b':
624 sscanf(cmd+i+2,"%d",&temp);
625 numbits = temp & 0xFFFF;
626 i+=3;
627 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
628 i-=2;
629 break;
630 case 't':
631 bTimeout = TRUE;
632 sscanf(cmd+i+2,"%d",&temp);
633 timeout = temp;
634 i+=3;
635 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
636 i-=2;
637 break;
638 case 'T':
639 topazmode = TRUE;
640 break;
641 default:
642 PrintAndLog("Invalid option");
643 return 0;
644 }
645 i+=2;
646 continue;
647 }
648 if ((cmd[i]>='0' && cmd[i]<='9') ||
649 (cmd[i]>='a' && cmd[i]<='f') ||
650 (cmd[i]>='A' && cmd[i]<='F') ) {
651 buf[strlen(buf)+1]=0;
652 buf[strlen(buf)]=cmd[i];
653 i++;
654
655 if (strlen(buf)>=2) {
656 sscanf(buf,"%x",&temp);
657 data[datalen]=(uint8_t)(temp & 0xff);
658 *buf=0;
659 if (++datalen>sizeof(data)){
660 if (crc)
661 PrintAndLog("Buffer is full, we can't add CRC to your data");
662 break;
663 }
664 }
665 continue;
666 }
667 PrintAndLog("Invalid char on input");
668 return 0;
669 }
670
671 if(crc && datalen>0 && datalen<sizeof(data)-2)
672 {
673 uint8_t first, second;
674 if (topazmode) {
675 ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
676 } else {
677 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
678 }
679 data[datalen++] = first;
680 data[datalen++] = second;
681 }
682
683 if(active || active_select)
684 {
685 c.arg[0] |= ISO14A_CONNECT;
686 if(active)
687 c.arg[0] |= ISO14A_NO_SELECT;
688 }
689
690 if(bTimeout){
691 #define MAX_TIMEOUT 40542464 // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
692 c.arg[0] |= ISO14A_SET_TIMEOUT;
693 if(timeout > MAX_TIMEOUT) {
694 timeout = MAX_TIMEOUT;
695 PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
696 }
697 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
698 }
699
700 if(power) {
701 c.arg[0] |= ISO14A_NO_DISCONNECT;
702 }
703
704 if(datalen > 0) {
705 c.arg[0] |= ISO14A_RAW;
706 }
707
708 if(topazmode) {
709 c.arg[0] |= ISO14A_TOPAZMODE;
710 }
711
712 // Max buffer is USB_CMD_DATA_SIZE
713 c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
714 memcpy(c.d.asBytes,data,datalen);
715
716 SendCommand(&c);
717
718 if (reply) {
719 if(active_select)
720 waitCmd(1);
721 if(datalen>0)
722 waitCmd(0);
723 } // if reply
724 return 0;
725}
726
727
728static void waitCmd(uint8_t iSelect)
729{
730 uint8_t *recv;
731 UsbCommand resp;
732 char *hexout;
733
734 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
735 recv = resp.d.asBytes;
736 uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
737 PrintAndLog("received %i octets", iLen);
738 if(!iLen)
739 return;
740 hexout = (char *)malloc(iLen * 3 + 1);
741 if (hexout != NULL) {
742 for (int i = 0; i < iLen; i++) { // data in hex
743 sprintf(&hexout[i * 3], "%02X ", recv[i]);
744 }
745 PrintAndLog("%s", hexout);
746 free(hexout);
747 } else {
748 PrintAndLog("malloc failed your client has low memory?");
749 }
750 } else {
751 PrintAndLog("timeout while waiting for reply.");
752 }
753}
754
755static command_t CommandTable[] =
756{
757 {"help", CmdHelp, 1, "This help"},
758 {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
759 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
760 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
761 {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
762 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
763 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
764 {NULL, NULL, 0, NULL}
765};
766
767int CmdHF14A(const char *Cmd) {
768 // flush
769 WaitForResponseTimeout(CMD_ACK,NULL,100);
770
771 // parse
772 CmdsParse(CommandTable, Cmd);
773 return 0;
774}
775
776int CmdHelp(const char *Cmd)
777{
778 CmdsHelp(CommandTable);
779 return 0;
780}
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