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1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
3 // 2011, 2017 - 2019 Merlok
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 "cmdhf14a.h"
13
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <inttypes.h>
17 #include <string.h>
18 #include <unistd.h>
19 #include <ctype.h>
20 #include "util.h"
21 #include "util_posix.h"
22 #include "iso14443crc.h"
23 #include "comms.h"
24 #include "ui.h"
25 #include "cmdparser.h"
26 #include "common.h"
27 #include "cmdmain.h"
28 #include "mifare.h"
29 #include "cmdhfmfu.h"
30 #include "mifare/mifarehost.h"
31 #include "cliparser/cliparser.h"
32 #include "emv/apduinfo.h"
33 #include "emv/emvcore.h"
34 #include "taginfo.h"
35
36 static int CmdHelp(const char *Cmd);
37 static int waitCmd(uint8_t iLen);
38
39 // iso14a apdu input frame length
40 static uint16_t frameLength = 0;
41 uint16_t atsFSC[] = {16, 24, 32, 40, 48, 64, 96, 128, 256};
42
43 int CmdHF14AList(const char *Cmd)
44 {
45 PrintAndLog("Deprecated command, use 'hf list 14a' instead");
46 return 0;
47 }
48
49 int Hf14443_4aGetCardData(iso14a_card_select_t * card) {
50 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
51 SendCommand(&c);
52
53 UsbCommand resp;
54 WaitForResponse(CMD_ACK,&resp);
55
56 memcpy(card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
57
58 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
59
60 if(select_status == 0) {
61 PrintAndLog("E->iso14443a card select failed");
62 return 1;
63 }
64
65 if(select_status == 2) {
66 PrintAndLog("E->Card doesn't support iso14443-4 mode");
67 return 1;
68 }
69
70 if(select_status == 3) {
71 PrintAndLog("E->Card doesn't support standard iso14443-3 anticollision");
72 PrintAndLog("\tATQA : %02x %02x", card->atqa[1], card->atqa[0]);
73 return 1;
74 }
75
76 PrintAndLog(" UID: %s", sprint_hex(card->uid, card->uidlen));
77 PrintAndLog("ATQA: %02x %02x", card->atqa[1], card->atqa[0]);
78 PrintAndLog(" SAK: %02x [%" PRIu64 "]", card->sak, resp.arg[0]);
79 if(card->ats_len < 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
80 PrintAndLog("E-> Error ATS length(%d) : %s", card->ats_len, sprint_hex(card->ats, card->ats_len));
81 return 1;
82 }
83 PrintAndLog(" ATS: %s", sprint_hex(card->ats, card->ats_len));
84
85 return 0;
86 }
87
88 int CmdHF14AReader(const char *Cmd) {
89 uint32_t cm = ISO14A_CONNECT;
90 bool leaveSignalON = false;
91
92 CLIParserInit("hf 14a reader", "Executes ISO1443A anticollision-select group of commands.", NULL);
93 void* argtable[] = {
94 arg_param_begin,
95 arg_lit0("kK", "keep", "keep the field active after command executed"),
96 arg_lit0("xX", "drop", "just drop the signal field"),
97 arg_lit0("3", NULL, "ISO14443-3 select only (skip RATS)"),
98 arg_param_end
99 };
100 if (CLIParserParseString(Cmd, argtable, arg_getsize(argtable), true)){
101 CLIParserFree();
102 return 0;
103 }
104
105 leaveSignalON = arg_get_lit(1);
106 if (arg_get_lit(2)) {
107 cm = cm - ISO14A_CONNECT;
108 }
109 if (arg_get_lit(3)) {
110 cm |= ISO14A_NO_RATS;
111 }
112
113 CLIParserFree();
114
115 if (leaveSignalON)
116 cm |= ISO14A_NO_DISCONNECT;
117
118 UsbCommand c = {CMD_READER_ISO_14443a, {cm, 0, 0}};
119 SendCommand(&c);
120
121 if (ISO14A_CONNECT & cm) {
122 UsbCommand resp;
123 WaitForResponse(CMD_ACK,&resp);
124
125 iso14a_card_select_t card;
126 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
127
128 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
129
130 if(select_status == 0) {
131 PrintAndLog("iso14443a card select failed");
132 return 1;
133 }
134
135 if(select_status == 3) {
136 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
137 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
138 return 1;
139 }
140
141 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
142 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
143 PrintAndLog(" SAK : %02x [%" PRIu64 "]", card.sak, resp.arg[0]);
144 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
145 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
146 }
147 if (leaveSignalON) {
148 PrintAndLog("Card is selected. You can now start sending commands");
149 }
150 }
151
152 if (!leaveSignalON) {
153 PrintAndLog("Field dropped.");
154 }
155
156 return 0;
157 }
158
159 int CmdHF14AInfo(const char *Cmd)
160 {
161 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
162 SendCommand(&c);
163
164 UsbCommand resp;
165 WaitForResponse(CMD_ACK,&resp);
166
167 iso14a_card_select_t card;
168 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
169
170 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
171
172 if(select_status == 0) {
173 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
174 // disconnect
175 c.arg[0] = 0;
176 c.arg[1] = 0;
177 c.arg[2] = 0;
178 SendCommand(&c);
179 return 0;
180 }
181
182 if(select_status == 3) {
183 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
184 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
185 // disconnect
186 c.arg[0] = 0;
187 c.arg[1] = 0;
188 c.arg[2] = 0;
189 SendCommand(&c);
190 return 0;
191 }
192
193 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
194 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
195 PrintAndLog(" SAK : %02x [%" PRIu64 "]", card.sak, resp.arg[0]);
196
197 bool isMifareClassic = true;
198 switch (card.sak) {
199 case 0x00:
200 isMifareClassic = false;
201
202 //***************************************test****************
203 // disconnect
204 c.arg[0] = 0;
205 c.arg[1] = 0;
206 c.arg[2] = 0;
207 SendCommand(&c);
208
209 uint32_t tagT = GetHF14AMfU_Type();
210 ul_print_type(tagT, 0);
211
212 //reconnect for further tests
213 c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
214 c.arg[1] = 0;
215 c.arg[2] = 0;
216
217 SendCommand(&c);
218
219 UsbCommand resp;
220 WaitForResponse(CMD_ACK,&resp);
221
222 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
223
224 select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
225
226 if(select_status == 0) {
227 //PrintAndLog("iso14443a card select failed");
228 // disconnect
229 c.arg[0] = 0;
230 c.arg[1] = 0;
231 c.arg[2] = 0;
232 SendCommand(&c);
233 return 0;
234 }
235
236 /* orig
237 // check if the tag answers to GETVERSION (0x60)
238 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
239 c.arg[1] = 1;
240 c.arg[2] = 0;
241 c.d.asBytes[0] = 0x60;
242 SendCommand(&c);
243 WaitForResponse(CMD_ACK,&resp);
244
245 uint8_t version[10] = {0};
246 memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
247 uint8_t len = resp.arg[0] & 0xff;
248 switch ( len ){
249 // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
250 // UL-EV1, size, check version[6] == 0x0b (smaller) 0x0b * 4 == 48
251 case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);break;
252 case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
253 case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
254 }
255 */
256 break;
257 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
258 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
259 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
260 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
261 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
262 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
263 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
264 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
265 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
266 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
267 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
268 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
269 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
270 default: ;
271 }
272
273 // Double & triple sized UID, can be mapped to a manufacturer.
274 // HACK: does this apply for Ultralight cards?
275 if ( card.uidlen > 4 ) {
276 PrintAndLog("MANUFACTURER : %s", getManufacturerName(card.uid[0]));
277 }
278
279 // try to request ATS even if tag claims not to support it
280 if (select_status == 2) {
281 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
282 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
283 c.arg[1] = 2;
284 c.arg[2] = 0;
285 memcpy(c.d.asBytes, rats, 2);
286 SendCommand(&c);
287 WaitForResponse(CMD_ACK,&resp);
288
289 memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
290 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
291 }
292
293 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
294 bool ta1 = 0, tb1 = 0, tc1 = 0;
295 int pos;
296
297 if (select_status == 2) {
298 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
299 }
300 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
301 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
302 if (card.ats[0] != card.ats_len - 2) {
303 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
304 }
305
306 if (card.ats[0] > 1) { // there is a format byte (T0)
307 ta1 = (card.ats[1] & 0x10) == 0x10;
308 tb1 = (card.ats[1] & 0x20) == 0x20;
309 tc1 = (card.ats[1] & 0x40) == 0x40;
310 int16_t fsci = card.ats[1] & 0x0f;
311 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
312 "TC1 is%s present, FSCI is %d (FSC = %ld)",
313 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
314 fsci,
315 fsci < sizeof(atsFSC) ? atsFSC[fsci] : -1
316 );
317 }
318 pos = 2;
319 if (ta1) {
320 char dr[16], ds[16];
321 dr[0] = ds[0] = '\0';
322 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
323 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
324 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
325 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
326 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
327 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
328 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
329 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
330 PrintAndLog(" - TA1 : different divisors are%s supported, "
331 "DR: [%s], DS: [%s]",
332 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
333 pos++;
334 }
335 if (tb1) {
336 uint32_t sfgi = card.ats[pos] & 0x0F;
337 uint32_t fwi = card.ats[pos] >> 4;
338 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
339 (sfgi),
340 sfgi ? "" : "(not needed) ",
341 sfgi ? (1 << 12) << sfgi : 0,
342 fwi,
343 (1 << 12) << fwi
344 );
345 pos++;
346 }
347 if (tc1) {
348 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
349 (card.ats[pos] & 0x01) ? "" : " NOT",
350 (card.ats[pos] & 0x02) ? "" : " NOT");
351 pos++;
352 }
353 if (card.ats[0] > pos) {
354 char *tip = "";
355 if (card.ats[0] - pos >= 7) {
356 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
357 tip = "-> MIFARE Plus X 2K or 4K";
358 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
359 tip = "-> MIFARE Plus S 2K or 4K";
360 }
361 }
362 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
363 if (card.ats[pos] == 0xC1) {
364 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
365 PrintAndLog(" %02x -> Length is %d bytes",
366 card.ats[pos + 1], card.ats[pos + 1]);
367 switch (card.ats[pos + 2] & 0xf0) {
368 case 0x10:
369 PrintAndLog(" 1x -> MIFARE DESFire");
370 break;
371 case 0x20:
372 PrintAndLog(" 2x -> MIFARE Plus");
373 break;
374 }
375 switch (card.ats[pos + 2] & 0x0f) {
376 case 0x00:
377 PrintAndLog(" x0 -> <1 kByte");
378 break;
379 case 0x01:
380 PrintAndLog(" x1 -> 1 kByte");
381 break;
382 case 0x02:
383 PrintAndLog(" x2 -> 2 kByte");
384 break;
385 case 0x03:
386 PrintAndLog(" x3 -> 4 kByte");
387 break;
388 case 0x04:
389 PrintAndLog(" x4 -> 8 kByte");
390 break;
391 }
392 switch (card.ats[pos + 3] & 0xf0) {
393 case 0x00:
394 PrintAndLog(" 0x -> Engineering sample");
395 break;
396 case 0x20:
397 PrintAndLog(" 2x -> Released");
398 break;
399 }
400 switch (card.ats[pos + 3] & 0x0f) {
401 case 0x00:
402 PrintAndLog(" x0 -> Generation 1");
403 break;
404 case 0x01:
405 PrintAndLog(" x1 -> Generation 2");
406 break;
407 case 0x02:
408 PrintAndLog(" x2 -> Generation 3");
409 break;
410 }
411 switch (card.ats[pos + 4] & 0x0f) {
412 case 0x00:
413 PrintAndLog(" x0 -> Only VCSL supported");
414 break;
415 case 0x01:
416 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
417 break;
418 case 0x0E:
419 PrintAndLog(" xE -> no VCS command supported");
420 break;
421 }
422 }
423 }
424 } else {
425 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
426 }
427
428
429 // try to see if card responses to "chinese magic backdoor" commands.
430 (void)mfCIdentify();
431
432 if (isMifareClassic) {
433 switch(DetectClassicPrng()) {
434 case 0:
435 PrintAndLog("Prng detection: HARDENED (hardnested)");
436 break;
437 case 1:
438 PrintAndLog("Prng detection: WEAK");
439 break;
440 default:
441 PrintAndLog("Prng detection error.");
442 }
443 }
444
445 return select_status;
446 }
447
448 // Collect ISO14443 Type A UIDs
449 int CmdHF14ACUIDs(const char *Cmd)
450 {
451 // requested number of UIDs
452 int n = atoi(Cmd);
453 // collect at least 1 (e.g. if no parameter was given)
454 n = n > 0 ? n : 1;
455
456 PrintAndLog("Collecting %d UIDs", n);
457 PrintAndLog("Start: %" PRIu64, msclock()/1000);
458 // repeat n times
459 for (int i = 0; i < n; i++) {
460 // execute anticollision procedure
461 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_RATS, 0, 0}};
462 SendCommand(&c);
463
464 UsbCommand resp;
465 WaitForResponse(CMD_ACK,&resp);
466
467 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
468
469 // check if command failed
470 if (resp.arg[0] == 0) {
471 PrintAndLog("Card select failed.");
472 } else {
473 char uid_string[20];
474 for (uint16_t i = 0; i < card->uidlen; i++) {
475 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
476 }
477 PrintAndLog("%s", uid_string);
478 }
479 }
480 PrintAndLog("End: %" PRIu64, msclock()/1000);
481
482 return 1;
483 }
484
485 // ## simulate iso14443a tag
486 // ## greg - added ability to specify tag UID
487 int CmdHF14ASim(const char *Cmd)
488 {
489 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
490
491 // Retrieve the tag type
492 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
493
494 // When no argument was given, just print help message
495 if (tagtype == 0) {
496 PrintAndLog("");
497 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
498 PrintAndLog("");
499 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
500 PrintAndLog(" types: 1 = MIFARE Classic");
501 PrintAndLog(" 2 = MIFARE Ultralight");
502 PrintAndLog(" 3 = MIFARE Desfire");
503 PrintAndLog(" 4 = ISO/IEC 14443-4");
504 PrintAndLog(" 5 = MIFARE Tnp3xxx");
505 PrintAndLog("");
506 return 1;
507 }
508
509 // Store the tag type
510 c.arg[0] = tagtype;
511
512 // Retrieve the full 4 or 7 byte long uid
513 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
514
515 // Are we handling the (optional) second part uid?
516 if (long_uid > 0xffffffff) {
517 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014" PRIx64 ")",long_uid);
518 // Store the second part
519 c.arg[2] = (long_uid & 0xffffffff);
520 long_uid >>= 32;
521 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
522 c.arg[1] = (long_uid & 0xffffff);
523 } else {
524 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
525 // Only store the first part
526 c.arg[1] = long_uid & 0xffffffff;
527 }
528 /*
529 // At lease save the mandatory first part of the UID
530 c.arg[0] = long_uid & 0xffffffff;
531
532 if (c.arg[1] == 0) {
533 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
534 }
535
536 switch (c.arg[0]) {
537 case 1: {
538 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
539 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)};
540 } break;
541 case 2: {
542 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
543 } break;
544 default: {
545 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
546 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
547 PrintAndLog(" type1: 4 ",c.arg[0]);
548
549 return 1;
550 } break;
551 }
552 */
553 /*
554 unsigned int hi = 0, lo = 0;
555 int n = 0, i = 0;
556 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
557 hi= (hi << 4) | (lo >> 28);
558 lo= (lo << 4) | (n & 0xf);
559 }
560 */
561 // 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)};
562 // PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
563 SendCommand(&c);
564 return 0;
565 }
566
567
568 int CmdHF14ASnoop(const char *Cmd) {
569 int param = 0;
570
571 uint8_t ctmp = param_getchar(Cmd, 0) ;
572 if (ctmp == 'h' || ctmp == 'H') {
573 PrintAndLog("It get data from the field and saves it into command buffer.");
574 PrintAndLog("Buffer accessible from command hf list 14a.");
575 PrintAndLog("Usage: hf 14a snoop [c][r]");
576 PrintAndLog("c - triggered by first data from card");
577 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
578 PrintAndLog("sample: hf 14a snoop c r");
579 return 0;
580 }
581
582 for (int i = 0; i < 2; i++) {
583 ctmp = param_getchar(Cmd, i);
584 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
585 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
586 }
587
588 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
589 SendCommand(&c);
590 return 0;
591 }
592
593
594 void DropField() {
595 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
596 SendCommand(&c);
597 }
598
599
600 int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
601 static bool responseNum = false;
602 uint16_t cmdc = 0;
603 *dataoutlen = 0;
604
605 if (activateField) {
606 responseNum = false;
607 UsbCommand resp;
608
609 // Anticollision + SELECT card
610 UsbCommand ca = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT | ISO14A_CLEAR_TRACE, 0, 0}};
611 SendCommand(&ca);
612 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
613 PrintAndLog("14aRAW ERROR: Proxmark connection timeout.");
614 return 1;
615 }
616
617 // check result
618 if (resp.arg[0] == 0) {
619 PrintAndLog("14aRAW ERROR: No card in field.");
620 return 1;
621 }
622
623 if (resp.arg[0] != 1 && resp.arg[0] != 2) {
624 PrintAndLog("14aRAW ERROR: card not in iso14443-4. res=%d.", resp.arg[0]);
625 return 1;
626 }
627
628 if (resp.arg[0] == 2) { // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
629 // get ATS
630 UsbCommand cr = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT, 2, 0}};
631 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
632 memcpy(cr.d.asBytes, rats, 2);
633 SendCommand(&cr);
634 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
635 PrintAndLog("14aRAW ERROR: Proxmark connection timeout.");
636 return 1;
637 }
638
639 if (resp.arg[0] <= 0) { // ats_len
640 PrintAndLog("14aRAW ERROR: Can't get ATS.");
641 return 1;
642 }
643 }
644 }
645
646 if (leaveSignalON)
647 cmdc |= ISO14A_NO_DISCONNECT;
648
649 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_APPEND_CRC | cmdc, (datainlen & 0xFFFF) + 2, 0}};
650 uint8_t header[] = {0x0a | responseNum, 0x00};
651 responseNum ^= 1;
652 memcpy(c.d.asBytes, header, 2);
653 memcpy(&c.d.asBytes[2], datain, datainlen);
654 SendCommand(&c);
655
656 uint8_t *recv;
657 UsbCommand resp;
658
659 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
660 recv = resp.d.asBytes;
661 int iLen = resp.arg[0];
662
663 if(!iLen) {
664 PrintAndLog("14aRAW ERROR: No card response.");
665 return 1;
666 }
667
668 *dataoutlen = iLen - 2;
669 if (*dataoutlen < 0)
670 *dataoutlen = 0;
671
672 if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
673 PrintAndLog("14aRAW ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
674 return 2;
675 }
676
677 if (recv[0] != header[0]) {
678 PrintAndLog("14aRAW ERROR: iso14443-4 framing error. Card send %2x must be %2x", dataout[0], header[0]);
679 return 2;
680 }
681
682 memcpy(dataout, &recv[2], *dataoutlen);
683
684 // CRC Check
685 if (iLen == -1) {
686 PrintAndLog("14aRAW ERROR: ISO 14443A CRC error.");
687 return 3;
688 }
689
690
691 } else {
692 PrintAndLog("14aRAW ERROR: Reply timeout.");
693 return 4;
694 }
695
696 return 0;
697 }
698
699
700 static int SelectCard14443_4(bool disconnect, iso14a_card_select_t *card) {
701 UsbCommand resp;
702
703 frameLength = 0;
704
705 if (card)
706 memset(card, 0, sizeof(iso14a_card_select_t));
707
708 DropField();
709
710 // Anticollision + SELECT card
711 UsbCommand ca = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
712 SendCommand(&ca);
713 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
714 PrintAndLogEx(ERR, "Proxmark connection timeout.");
715 return 1;
716 }
717
718 // check result
719 if (resp.arg[0] == 0) {
720 PrintAndLogEx(ERR, "No card in field.");
721 return 1;
722 }
723
724 if (resp.arg[0] != 1 && resp.arg[0] != 2) {
725 PrintAndLogEx(ERR, "Card not in iso14443-4. res=%d.", resp.arg[0]);
726 return 1;
727 }
728
729 if (resp.arg[0] == 2) { // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
730 // try to get ATS although SAK indicated that it is not ISO14443-4 compliant
731 UsbCommand cr = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT, 2, 0}};
732 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
733 memcpy(cr.d.asBytes, rats, 2);
734 SendCommand(&cr);
735 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
736 PrintAndLogEx(ERR, "Proxmark connection timeout.");
737 return 1;
738 }
739
740 if (resp.arg[0] <= 0) { // ats_len
741 PrintAndLogEx(ERR, "Can't get ATS.");
742 return 1;
743 }
744 }
745
746 // get frame length from ATS
747 iso14a_card_select_t *vcard = (iso14a_card_select_t *) resp.d.asBytes;
748 if (vcard->ats_len > 1) {
749 uint8_t fsci = vcard->ats[1] & 0x0f;
750 if (fsci < sizeof(atsFSC))
751 frameLength = atsFSC[fsci];
752 }
753
754 if (card) {
755 memcpy(card, vcard, sizeof(iso14a_card_select_t));
756 }
757
758 if (disconnect) {
759 DropField();
760 }
761
762 return 0;
763 }
764
765
766 static int ExchangeAPDU(bool chainingin, uint8_t *datain, int datainlen, bool activateField, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, bool *chainingout)
767 {
768 *chainingout = false;
769
770 if (activateField) {
771 // select with no disconnect and set frameLength
772 int selres = SelectCard14443_4(false, NULL);
773 if (selres)
774 return selres;
775 }
776
777 uint16_t cmdc = 0;
778 if (chainingin)
779 cmdc = ISO14A_SEND_CHAINING;
780
781 // "Command APDU" length should be 5+255+1, but javacard's APDU buffer might be smaller - 133 bytes
782 // https://stackoverflow.com/questions/32994936/safe-max-java-card-apdu-data-command-and-respond-size
783 // here length USB_CMD_DATA_SIZE=512
784 // timeout must be authomatically set by "get ATS"
785 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | ISO14A_NO_DISCONNECT | cmdc, (datainlen & 0xFFFF), 0}};
786 memcpy(c.d.asBytes, datain, datainlen);
787 SendCommand(&c);
788
789 uint8_t *recv;
790 UsbCommand resp;
791
792 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
793 recv = resp.d.asBytes;
794 int iLen = resp.arg[0];
795 uint8_t res = resp.arg[1];
796
797 int dlen = iLen - 2;
798 if (dlen < 0)
799 dlen = 0;
800 *dataoutlen += dlen;
801
802 if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
803 PrintAndLog("APDU ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
804 return 2;
805 }
806
807 // I-block ACK
808 if ((res & 0xf2) == 0xa2) {
809 *dataoutlen = 0;
810 *chainingout = true;
811 return 0;
812 }
813
814 if(!iLen) {
815 PrintAndLog("APDU ERROR: No APDU response.");
816 return 1;
817 }
818
819 // check apdu length
820 if (iLen < 2 && iLen >= 0) {
821 PrintAndLog("APDU ERROR: Small APDU response. Len=%d", iLen);
822 return 2;
823 }
824
825 // check block TODO
826 if (iLen == -2) {
827 PrintAndLog("APDU ERROR: Block type mismatch.");
828 return 2;
829 }
830
831 memcpy(dataout, recv, dlen);
832
833 // chaining
834 if ((res & 0x10) != 0) {
835 *chainingout = true;
836 }
837
838 // CRC Check
839 if (iLen == -1) {
840 PrintAndLog("APDU ERROR: ISO 14443A CRC error.");
841 return 3;
842 }
843 } else {
844 PrintAndLog("APDU ERROR: Reply timeout.");
845 return 4;
846 }
847
848 return 0;
849 }
850
851
852 int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
853 *dataoutlen = 0;
854 bool chaining = false;
855 int res;
856
857 // 3 byte here - 1b framing header, 2b crc16
858 if ( (frameLength && (datainlen > frameLength - 3)) || (datainlen > USB_CMD_DATA_SIZE - 3) ) {
859 int clen = 0;
860
861 bool vActivateField = activateField;
862
863 do {
864 int vlen = MIN(frameLength - 3, datainlen - clen);
865 bool chainBlockNotLast = ((clen + vlen) < datainlen);
866
867 *dataoutlen = 0;
868 res = ExchangeAPDU(chainBlockNotLast, &datain[clen], vlen, vActivateField, dataout, maxdataoutlen, dataoutlen, &chaining);
869 if (res) {
870 if (!leaveSignalON)
871 DropField();
872
873 return 200;
874 }
875
876 // check R-block ACK
877 if ((*dataoutlen == 0) && (*dataoutlen != 0 || chaining != chainBlockNotLast)) {
878 if (!leaveSignalON)
879 DropField();
880
881 return 201;
882 }
883
884 clen += vlen;
885 vActivateField = false;
886 if (*dataoutlen) {
887 if (clen != datainlen)
888 PrintAndLogEx(WARNING, "APDU: I-block/R-block sequence error. Data len=%d, Sent=%d, Last packet len=%d", datainlen, clen, *dataoutlen);
889 break;
890 }
891 } while (clen < datainlen);
892 } else {
893 res = ExchangeAPDU(false, datain, datainlen, activateField, dataout, maxdataoutlen, dataoutlen, &chaining);
894 if (res) {
895 if (!leaveSignalON)
896 DropField();
897
898 return res;
899 }
900 }
901
902 while (chaining) {
903 // I-block with chaining
904 res = ExchangeAPDU(false, NULL, 0, false, &dataout[*dataoutlen], maxdataoutlen, dataoutlen, &chaining);
905
906 if (res) {
907 if (!leaveSignalON)
908 DropField();
909
910 return 100;
911 }
912 }
913
914 if (!leaveSignalON)
915 DropField();
916
917 return 0;
918 }
919
920 // ISO14443-4. 7. Half-duplex block transmission protocol
921 int CmdHF14AAPDU(const char *cmd) {
922 uint8_t data[USB_CMD_DATA_SIZE];
923 int datalen = 0;
924 bool activateField = false;
925 bool leaveSignalON = false;
926 bool decodeTLV = false;
927
928 CLIParserInit("hf 14a apdu",
929 "Sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)",
930 "Sample:\n\thf 14a apdu -st 00A404000E325041592E5359532E444446303100\n");
931
932 void* argtable[] = {
933 arg_param_begin,
934 arg_lit0("sS", "select", "activate field and select card"),
935 arg_lit0("kK", "keep", "leave the signal field ON after receive response"),
936 arg_lit0("tT", "tlv", "executes TLV decoder if it possible"),
937 arg_strx1(NULL, NULL, "<APDU (hex)>", NULL),
938 arg_param_end
939 };
940 CLIExecWithReturn(cmd, argtable, false);
941
942 activateField = arg_get_lit(1);
943 leaveSignalON = arg_get_lit(2);
944 decodeTLV = arg_get_lit(3);
945 // len = data + PCB(1b) + CRC(2b)
946 CLIGetHexBLessWithReturn(4, data, &datalen, 1 + 2);
947
948
949 CLIParserFree();
950 // PrintAndLog("---str [%d] %s", arg_get_str(4)->count, arg_get_str(4)->sval[0]);
951 PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
952
953 int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
954
955 if (res)
956 return res;
957
958 PrintAndLog("<<<< %s", sprint_hex(data, datalen));
959
960 PrintAndLog("APDU response: %02x %02x - %s", data[datalen - 2], data[datalen - 1], GetAPDUCodeDescription(data[datalen - 2], data[datalen - 1]));
961
962 // TLV decoder
963 if (decodeTLV && datalen > 4) {
964 TLVPrintFromBuffer(data, datalen - 2);
965 }
966
967 return 0;
968 }
969
970 int CmdHF14ACmdRaw(const char *cmd) {
971 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
972 bool reply=1;
973 bool crc = false;
974 bool power = false;
975 bool active = false;
976 bool active_select = false;
977 bool no_rats = false;
978 uint16_t numbits = 0;
979 bool bTimeout = false;
980 uint32_t timeout = 0;
981 bool topazmode = false;
982 uint8_t data[USB_CMD_DATA_SIZE];
983 int datalen = 0;
984
985 // extract parameters
986 CLIParserInit("hf 14a raw", "Send raw hex data to tag",
987 "Sample:\n"\
988 "\thf 14a raw -pa -b7 -t1000 52 -- execute WUPA\n"\
989 "\thf 14a raw -p 9320 -- anticollision\n"\
990 "\thf 14a raw -psc 60 00 -- select and mifare AUTH\n");
991 void* argtable[] = {
992 arg_param_begin,
993 arg_lit0("rR", "nreply", "do not read response"),
994 arg_lit0("cC", "crc", "calculate and append CRC"),
995 arg_lit0("pP", "power", "leave the signal field ON after receive"),
996 arg_lit0("aA", "active", "active signal field ON without select"),
997 arg_lit0("sS", "actives", "active signal field ON with select"),
998 arg_int0("bB", "bits", NULL, "number of bits to send. Useful for send partial byte"),
999 arg_int0("t", "timeout", NULL, "timeout in ms"),
1000 arg_lit0("T", "topaz", "use Topaz protocol to send command"),
1001 arg_lit0("3", NULL, "ISO14443-3 select only (skip RATS)"),
1002 arg_strx1(NULL, NULL, "<data (hex)>", NULL),
1003 arg_param_end
1004 };
1005 // defaults
1006 arg_get_int(6) = 0;
1007 arg_get_int(7) = 0;
1008
1009 if (CLIParserParseString(cmd, argtable, arg_getsize(argtable), false)){
1010 CLIParserFree();
1011 return 0;
1012 }
1013
1014 reply = !arg_get_lit(1);
1015 crc = arg_get_lit(2);
1016 power = arg_get_lit(3);
1017 active = arg_get_lit(4);
1018 active_select = arg_get_lit(5);
1019 numbits = arg_get_int(6) & 0xFFFF;
1020 timeout = arg_get_int(7);
1021 bTimeout = (timeout > 0);
1022 topazmode = arg_get_lit(8);
1023 no_rats = arg_get_lit(9);
1024 // len = data + CRC(2b)
1025 if (CLIParamHexToBuf(arg_get_str(10), data, sizeof(data) -2, &datalen)) {
1026 CLIParserFree();
1027 return 1;
1028 }
1029
1030 CLIParserFree();
1031
1032 // logic
1033 if(crc && datalen>0 && datalen<sizeof(data)-2)
1034 {
1035 uint8_t first, second;
1036 if (topazmode) {
1037 ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
1038 } else {
1039 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
1040 }
1041 data[datalen++] = first;
1042 data[datalen++] = second;
1043 }
1044
1045 if(active || active_select)
1046 {
1047 c.arg[0] |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
1048 if(active)
1049 c.arg[0] |= ISO14A_NO_SELECT;
1050 }
1051
1052 if(bTimeout){
1053 #define MAX_TIMEOUT 40542464 // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
1054 c.arg[0] |= ISO14A_SET_TIMEOUT;
1055 if(timeout > MAX_TIMEOUT) {
1056 timeout = MAX_TIMEOUT;
1057 PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
1058 }
1059 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
1060 }
1061
1062 if(power) {
1063 c.arg[0] |= ISO14A_NO_DISCONNECT;
1064 }
1065
1066 if(datalen > 0) {
1067 c.arg[0] |= ISO14A_RAW;
1068 }
1069
1070 if(topazmode) {
1071 c.arg[0] |= ISO14A_TOPAZMODE;
1072 }
1073
1074 if(no_rats) {
1075 c.arg[0] |= ISO14A_NO_RATS;
1076 }
1077
1078 // Max buffer is USB_CMD_DATA_SIZE (512)
1079 c.arg[1] = (datalen & 0xFFFF) | ((uint32_t)numbits << 16);
1080 memcpy(c.d.asBytes,data,datalen);
1081
1082 SendCommand(&c);
1083
1084 if (reply) {
1085 int res = 0;
1086 if (active_select)
1087 res = waitCmd(1);
1088 if (!res && datalen > 0)
1089 waitCmd(0);
1090 } // if reply
1091 return 0;
1092 }
1093
1094
1095 static int waitCmd(uint8_t iSelect) {
1096 uint8_t *recv;
1097 UsbCommand resp;
1098 char *hexout;
1099
1100 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1101 recv = resp.d.asBytes;
1102 uint8_t iLen = resp.arg[0];
1103 if (iSelect){
1104 iLen = resp.arg[1];
1105 if (iLen){
1106 PrintAndLog("Card selected. UID[%i]:", iLen);
1107 } else {
1108 PrintAndLog("Can't select card.");
1109 }
1110 } else {
1111 PrintAndLog("received %i bytes:", iLen);
1112 }
1113 if(!iLen)
1114 return 1;
1115 hexout = (char *)malloc(iLen * 3 + 1);
1116 if (hexout != NULL) {
1117 for (int i = 0; i < iLen; i++) { // data in hex
1118 sprintf(&hexout[i * 3], "%02X ", recv[i]);
1119 }
1120 PrintAndLog("%s", hexout);
1121 free(hexout);
1122 } else {
1123 PrintAndLog("malloc failed your client has low memory?");
1124 return 2;
1125 }
1126 } else {
1127 PrintAndLog("timeout while waiting for reply.");
1128 return 3;
1129 }
1130 return 0;
1131 }
1132
1133 static command_t CommandTable[] =
1134 {
1135 {"help", CmdHelp, 1, "This help"},
1136 {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
1137 {"reader", CmdHF14AReader, 0, "Start acting like an ISO14443 Type A reader"},
1138 {"info", CmdHF14AInfo, 0, "Reads card and shows information about it"},
1139 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
1140 {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
1141 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
1142 {"apdu", CmdHF14AAPDU, 0, "Send an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol"},
1143 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
1144 {NULL, NULL, 0, NULL}
1145 };
1146
1147 int CmdHF14A(const char *Cmd) {
1148 (void)WaitForResponseTimeout(CMD_ACK,NULL,100);
1149 CmdsParse(CommandTable, Cmd);
1150 return 0;
1151 }
1152
1153 int CmdHelp(const char *Cmd)
1154 {
1155 CmdsHelp(CommandTable);
1156 return 0;
1157 }
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