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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 <string.h>
15 #include <unistd.h>
16 #include "util.h"
17 #include "iso14443crc.h"
18 #include "data.h"
19 #include "proxmark3.h"
20 #include "ui.h"
21 #include "cmdparser.h"
22 #include "cmdhf14a.h"
23 #include "common.h"
24 #include "cmdmain.h"
25 #include "mifare.h"
26 #include "cmdhfmfu.h"
27
28 static int CmdHelp(const char *Cmd);
29 static void waitCmd(uint8_t iLen);
30
31 // structure and database for uid -> tagtype lookups
32 typedef struct {
33 uint8_t uid;
34 char* desc;
35 } manufactureName;
36
37 const manufactureName manufactureMapping[] = {
38 // ID, "Vendor Country"
39 { 0x01, "Motorola UK" },
40 { 0x02, "ST Microelectronics SA France" },
41 { 0x03, "Hitachi, Ltd Japan" },
42 { 0x04, "NXP Semiconductors Germany" },
43 { 0x05, "Infineon Technologies AG Germany" },
44 { 0x06, "Cylink USA" },
45 { 0x07, "Texas Instrument France" },
46 { 0x08, "Fujitsu Limited Japan" },
47 { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
48 { 0x0A, "NEC Japan" },
49 { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
50 { 0x0C, "Toshiba Corp. Japan" },
51 { 0x0D, "Mitsubishi Electric Corp. Japan" },
52 { 0x0E, "Samsung Electronics Co. Ltd Korea" },
53 { 0x0F, "Hynix / Hyundai, Korea" },
54 { 0x10, "LG-Semiconductors Co. Ltd Korea" },
55 { 0x11, "Emosyn-EM Microelectronics USA" },
56 { 0x12, "INSIDE Technology France" },
57 { 0x13, "ORGA Kartensysteme GmbH Germany" },
58 { 0x14, "SHARP Corporation Japan" },
59 { 0x15, "ATMEL France" },
60 { 0x16, "EM Microelectronic-Marin SA Switzerland" },
61 { 0x17, "KSW Microtec GmbH Germany" },
62 { 0x18, "ZMD AG Germany" },
63 { 0x19, "XICOR, Inc. USA" },
64 { 0x1A, "Sony Corporation Japan Identifier Company Country" },
65 { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
66 { 0x1C, "Emosyn USA" },
67 { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
68 { 0x1E, "Magellan Technology Pty Limited Australia" },
69 { 0x1F, "Melexis NV BO Switzerland" },
70 { 0x20, "Renesas Technology Corp. Japan" },
71 { 0x21, "TAGSYS France" },
72 { 0x22, "Transcore USA" },
73 { 0x23, "Shanghai belling corp., ltd. China" },
74 { 0x24, "Masktech Germany Gmbh Germany" },
75 { 0x25, "Innovision Research and Technology Plc UK" },
76 { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
77 { 0x27, "Cypak AB Sweden" },
78 { 0x28, "Ricoh Japan" },
79 { 0x29, "ASK France" },
80 { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
81 { 0x2B, "Dallas Semiconductor/Maxim USA" },
82 { 0x2C, "Impinj, Inc. USA" },
83 { 0x2D, "RightPlug Alliance USA" },
84 { 0x2E, "Broadcom Corporation USA" },
85 { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
86 { 0x30, "BeeDar Technology Inc. USA" },
87 { 0x31, "RFIDsec Denmark" },
88 { 0x32, "Schweizer Electronic AG Germany" },
89 { 0x33, "AMIC Technology Corp Taiwan" },
90 { 0x34, "Mikron JSC Russia" },
91 { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
92 { 0x36, "IDS Microchip AG Switzerland" },
93 { 0x37, "Kovio USA" },
94 { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
95 { 0x39, "Silicon Craft Technology Thailand" },
96 { 0x3A, "Advanced Film Device Inc. Japan" },
97 { 0x3B, "Nitecrest Ltd UK" },
98 { 0x3C, "Verayo Inc. USA" },
99 { 0x3D, "HID Global USA" },
100 { 0x3E, "Productivity Engineering Gmbh Germany" },
101 { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
102 { 0x40, "Gemalto SA France" },
103 { 0x41, "Renesas Electronics Corporation Japan" },
104 { 0x42, "3Alogics Inc Korea" },
105 { 0x43, "Top TroniQ Asia Limited Hong Kong" },
106 { 0x44, "Gentag Inc (USA) USA" },
107 { 0x00, "no tag-info available" } // must be the last entry
108 };
109
110
111 // get a product description based on the UID
112 // uid[8] tag uid
113 // returns description of the best match
114 char* getTagInfo(uint8_t uid) {
115
116 int i;
117 int len = sizeof(manufactureMapping) / sizeof(manufactureName);
118
119 for ( i = 0; i < len; ++i )
120 if ( uid == manufactureMapping[i].uid)
121 return manufactureMapping[i].desc;
122
123 //No match, return default
124 return manufactureMapping[len-1].desc;
125 }
126
127 int CmdHF14AList(const char *Cmd)
128 {
129 PrintAndLog("Deprecated command, use 'hf list 14a' instead");
130 return 0;
131 }
132
133 int CmdHF14AReader(const char *Cmd)
134 {
135 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
136 SendCommand(&c);
137
138 UsbCommand resp;
139 WaitForResponse(CMD_ACK,&resp);
140
141 iso14a_card_select_t card;
142 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
143
144 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
145
146 if(select_status == 0) {
147 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
148 // disconnect
149 c.arg[0] = 0;
150 c.arg[1] = 0;
151 c.arg[2] = 0;
152 SendCommand(&c);
153 return 0;
154 }
155
156 if(select_status == 3) {
157 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
158 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
159 // disconnect
160 c.arg[0] = 0;
161 c.arg[1] = 0;
162 c.arg[2] = 0;
163 SendCommand(&c);
164 return 0;
165 }
166
167 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
168 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
169 PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
170
171 switch (card.sak) {
172 case 0x00:
173
174 //***************************************test****************
175 // disconnect
176 c.arg[0] = 0;
177 c.arg[1] = 0;
178 c.arg[2] = 0;
179 SendCommand(&c);
180
181 uint32_t tagT = GetHF14AMfU_Type();
182 ul_print_type(tagT, 0);
183
184 //reconnect for further tests
185 c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
186 c.arg[1] = 0;
187 c.arg[2] = 0;
188
189 SendCommand(&c);
190
191 UsbCommand resp;
192 WaitForResponse(CMD_ACK,&resp);
193
194 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
195
196 select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
197
198 if(select_status == 0) {
199 //PrintAndLog("iso14443a card select failed");
200 // disconnect
201 c.arg[0] = 0;
202 c.arg[1] = 0;
203 c.arg[2] = 0;
204 SendCommand(&c);
205 return 0;
206 }
207
208 /* orig
209 // check if the tag answers to GETVERSION (0x60)
210 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
211 c.arg[1] = 1;
212 c.arg[2] = 0;
213 c.d.asBytes[0] = 0x60;
214 SendCommand(&c);
215 WaitForResponse(CMD_ACK,&resp);
216
217 uint8_t version[10] = {0};
218 memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
219 uint8_t len = resp.arg[0] & 0xff;
220 switch ( len ){
221 // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
222 // UL-EV1, size, check version[6] == 0x0b (smaller) 0x0b * 4 == 48
223 case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);break;
224 case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
225 case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
226 }
227 */
228 break;
229 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
230 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
231 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
232 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
233 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
234 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
235 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
236 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
237 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
238 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
239 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
240 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
241 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
242 default: ;
243 }
244
245 // Double & triple sized UID, can be mapped to a manufacturer.
246 // HACK: does this apply for Ultralight cards?
247 if ( card.uidlen > 4 ) {
248 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
249 }
250
251 // try to request ATS even if tag claims not to support it
252 if (select_status == 2) {
253 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
254 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
255 c.arg[1] = 2;
256 c.arg[2] = 0;
257 memcpy(c.d.asBytes, rats, 2);
258 SendCommand(&c);
259 WaitForResponse(CMD_ACK,&resp);
260
261 memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
262 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
263 }
264
265 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
266 bool ta1 = 0, tb1 = 0, tc1 = 0;
267 int pos;
268
269 if (select_status == 2) {
270 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
271 }
272 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
273 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
274 if (card.ats[0] != card.ats_len - 2) {
275 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
276 }
277
278 if (card.ats[0] > 1) { // there is a format byte (T0)
279 ta1 = (card.ats[1] & 0x10) == 0x10;
280 tb1 = (card.ats[1] & 0x20) == 0x20;
281 tc1 = (card.ats[1] & 0x40) == 0x40;
282 int16_t fsci = card.ats[1] & 0x0f;
283 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
284 "TC1 is%s present, FSCI is %d (FSC = %ld)",
285 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
286 fsci,
287 fsci < 5 ? (fsci - 2) * 8 :
288 fsci < 8 ? (fsci - 3) * 32 :
289 fsci == 8 ? 256 :
290 -1
291 );
292 }
293 pos = 2;
294 if (ta1) {
295 char dr[16], ds[16];
296 dr[0] = ds[0] = '\0';
297 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
298 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
299 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
300 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
301 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
302 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
303 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
304 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
305 PrintAndLog(" - TA1 : different divisors are%s supported, "
306 "DR: [%s], DS: [%s]",
307 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
308 pos++;
309 }
310 if (tb1) {
311 uint32_t sfgi = card.ats[pos] & 0x0F;
312 uint32_t fwi = card.ats[pos] >> 4;
313 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
314 (sfgi),
315 sfgi ? "" : "(not needed) ",
316 sfgi ? (1 << 12) << sfgi : 0,
317 fwi,
318 (1 << 12) << fwi
319 );
320 pos++;
321 }
322 if (tc1) {
323 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
324 (card.ats[pos] & 0x01) ? "" : " NOT",
325 (card.ats[pos] & 0x02) ? "" : " NOT");
326 pos++;
327 }
328 if (card.ats[0] > pos) {
329 char *tip = "";
330 if (card.ats[0] - pos >= 7) {
331 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
332 tip = "-> MIFARE Plus X 2K or 4K";
333 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
334 tip = "-> MIFARE Plus S 2K or 4K";
335 }
336 }
337 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
338 if (card.ats[pos] == 0xC1) {
339 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
340 PrintAndLog(" %02x -> Length is %d bytes",
341 card.ats[pos + 1], card.ats[pos + 1]);
342 switch (card.ats[pos + 2] & 0xf0) {
343 case 0x10:
344 PrintAndLog(" 1x -> MIFARE DESFire");
345 break;
346 case 0x20:
347 PrintAndLog(" 2x -> MIFARE Plus");
348 break;
349 }
350 switch (card.ats[pos + 2] & 0x0f) {
351 case 0x00:
352 PrintAndLog(" x0 -> <1 kByte");
353 break;
354 case 0x01:
355 PrintAndLog(" x0 -> 1 kByte");
356 break;
357 case 0x02:
358 PrintAndLog(" x0 -> 2 kByte");
359 break;
360 case 0x03:
361 PrintAndLog(" x0 -> 4 kByte");
362 break;
363 case 0x04:
364 PrintAndLog(" x0 -> 8 kByte");
365 break;
366 }
367 switch (card.ats[pos + 3] & 0xf0) {
368 case 0x00:
369 PrintAndLog(" 0x -> Engineering sample");
370 break;
371 case 0x20:
372 PrintAndLog(" 2x -> Released");
373 break;
374 }
375 switch (card.ats[pos + 3] & 0x0f) {
376 case 0x00:
377 PrintAndLog(" x0 -> Generation 1");
378 break;
379 case 0x01:
380 PrintAndLog(" x1 -> Generation 2");
381 break;
382 case 0x02:
383 PrintAndLog(" x2 -> Generation 3");
384 break;
385 }
386 switch (card.ats[pos + 4] & 0x0f) {
387 case 0x00:
388 PrintAndLog(" x0 -> Only VCSL supported");
389 break;
390 case 0x01:
391 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
392 break;
393 case 0x0E:
394 PrintAndLog(" xE -> no VCS command supported");
395 break;
396 }
397 }
398 }
399 } else {
400 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
401 }
402
403
404 // try to see if card responses to "chinese magic backdoor" commands.
405 c.cmd = CMD_MIFARE_CIDENT;
406 c.arg[0] = 0;
407 c.arg[1] = 0;
408 c.arg[2] = 0;
409 SendCommand(&c);
410 WaitForResponse(CMD_ACK,&resp);
411 uint8_t isOK = resp.arg[0] & 0xff;
412 PrintAndLog("Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
413
414 // disconnect
415 c.cmd = CMD_READER_ISO_14443a;
416 c.arg[0] = 0;
417 c.arg[1] = 0;
418 c.arg[2] = 0;
419 SendCommand(&c);
420
421 return select_status;
422 }
423
424 // Collect ISO14443 Type A UIDs
425 int CmdHF14ACUIDs(const char *Cmd)
426 {
427 // requested number of UIDs
428 int n = atoi(Cmd);
429 // collect at least 1 (e.g. if no parameter was given)
430 n = n > 0 ? n : 1;
431
432 PrintAndLog("Collecting %d UIDs", n);
433 PrintAndLog("Start: %u", time(NULL));
434 // repeat n times
435 for (int i = 0; i < n; i++) {
436 // execute anticollision procedure
437 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
438 SendCommand(&c);
439
440 UsbCommand resp;
441 WaitForResponse(CMD_ACK,&resp);
442
443 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
444
445 // check if command failed
446 if (resp.arg[0] == 0) {
447 PrintAndLog("Card select failed.");
448 } else {
449 char uid_string[20];
450 for (uint16_t i = 0; i < card->uidlen; i++) {
451 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
452 }
453 PrintAndLog("%s", uid_string);
454 }
455 }
456 PrintAndLog("End: %u", time(NULL));
457
458 return 1;
459 }
460
461 int usage_hf_14a_sim(void) {
462 PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID\n");
463 PrintAndLog("Usage: hf 14a sim t <type> u <uid> x");
464 PrintAndLog(" Options : ");
465 PrintAndLog(" h : this help");
466 PrintAndLog(" t : 1 = MIFARE Classic");
467 PrintAndLog(" 2 = MIFARE Ultralight");
468 PrintAndLog(" 3 = MIFARE Desfire");
469 PrintAndLog(" 4 = ISO/IEC 14443-4");
470 PrintAndLog(" 5 = MIFARE Tnp3xxx");
471 PrintAndLog(" 6 = MIFARE Mini");
472 PrintAndLog(" 7 = NTAG 215 from emu mem");
473 PrintAndLog(" u : 4 or 7 byte UID");
474 PrintAndLog(" x : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader");
475 PrintAndLog("\n sample : hf 14a sim t 1 u 1122344");
476 PrintAndLog(" : hf 14a sim t 1 u 1122344 x\n");
477 return 0;
478 }
479 // ## simulate iso14443a tag
480 // ## greg - added ability to specify tag UID
481 int CmdHF14ASim(const char *Cmd)
482 {
483 bool errors = FALSE;
484 uint8_t flags = 0;
485 uint8_t tagtype = 1;
486 uint64_t uid = 0;
487 uint8_t cmdp = 0;
488
489 while(param_getchar(Cmd, cmdp) != 0x00)
490 {
491 switch(param_getchar(Cmd, cmdp))
492 {
493 case 'h':
494 case 'H':
495 return usage_hf_14a_sim();
496 case 't':
497 case 'T':
498 // Retrieve the tag type
499 tagtype = param_get8ex(Cmd, cmdp+1, 0, 10);
500 if (tagtype == 0)
501 errors = true;
502 cmdp += 2;
503 break;
504 case 'u':
505 case 'U':
506 // Retrieve the full 4 or 7 byte long uid
507 uid = param_get64ex(Cmd, cmdp+1, 0, 16);
508 if (uid == 0 )
509 errors = TRUE;
510
511 if (uid > 0xffffffff) {
512 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",uid);
513 flags |= FLAG_7B_UID_IN_DATA;
514 } else {
515 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",uid);
516 flags |= FLAG_4B_UID_IN_DATA;
517 }
518 cmdp += 2;
519 break;
520 case 'x':
521 case 'X':
522 flags |= FLAG_NR_AR_ATTACK;
523 cmdp++;
524 break;
525 default:
526 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
527 errors = true;
528 break;
529 }
530 if(errors) break;
531 }
532
533 //Validations
534 if (errors) return usage_hf_14a_sim();
535
536 PrintAndLog("Press pm3-button to abort simulation");
537
538 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
539
540 num_to_bytes(uid, 7, c.d.asBytes);
541 clearCommandBuffer();
542 SendCommand(&c);
543
544 //uint8_t data[40];
545 //uint8_t key[6];
546 UsbCommand resp;
547 while(!ukbhit()){
548 if ( WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
549 if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
550 // attempt to get key:
551 // TODO:
552
553 //memset(data, 0x00, sizeof(data));
554 //memset(key, 0x00, sizeof(key));
555 //int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
556 //memcpy(data, resp.d.asBytes, len);
557 //tryMfk32(uid, data, key);
558 //tryMfk32_moebius(uid, data, key);
559 //tryMfk64(uid, data, key);
560 //PrintAndLog("--");
561 }
562 }
563 }
564 return 0;
565 }
566
567 int CmdHF14ASnoop(const char *Cmd) {
568 int param = 0;
569
570 uint8_t ctmp = param_getchar(Cmd, 0) ;
571 if (ctmp == 'h' || ctmp == 'H') {
572 PrintAndLog("It get data from the field and saves it into command buffer.");
573 PrintAndLog("Buffer accessible from command hf list 14a.");
574 PrintAndLog("Usage: hf 14a snoop [c][r]");
575 PrintAndLog("c - triggered by first data from card");
576 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
577 PrintAndLog("sample: hf 14a snoop c r");
578 return 0;
579 }
580
581 for (int i = 0; i < 2; i++) {
582 ctmp = param_getchar(Cmd, i);
583 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
584 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
585 }
586
587 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
588 SendCommand(&c);
589 return 0;
590 }
591
592
593 int CmdHF14ACmdRaw(const char *cmd) {
594 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
595 bool reply=1;
596 bool crc = FALSE;
597 bool power = FALSE;
598 bool active = FALSE;
599 bool active_select = FALSE;
600 uint16_t numbits = 0;
601 bool bTimeout = FALSE;
602 uint32_t timeout = 0;
603 bool topazmode = FALSE;
604 char buf[5]="";
605 int i = 0;
606 uint8_t data[USB_CMD_DATA_SIZE];
607 uint16_t datalen = 0;
608 uint32_t temp;
609
610 if (strlen(cmd)<2) {
611 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
612 PrintAndLog(" -r do not read response");
613 PrintAndLog(" -c calculate and append CRC");
614 PrintAndLog(" -p leave the signal field ON after receive");
615 PrintAndLog(" -a active signal field ON without select");
616 PrintAndLog(" -s active signal field ON with select");
617 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
618 PrintAndLog(" -t timeout in ms");
619 PrintAndLog(" -T use Topaz protocol to send command");
620 return 0;
621 }
622
623
624 // strip
625 while (*cmd==' ' || *cmd=='\t') cmd++;
626
627 while (cmd[i]!='\0') {
628 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
629 if (cmd[i]=='-') {
630 switch (cmd[i+1]) {
631 case 'r':
632 reply = FALSE;
633 break;
634 case 'c':
635 crc = TRUE;
636 break;
637 case 'p':
638 power = TRUE;
639 break;
640 case 'a':
641 active = TRUE;
642 break;
643 case 's':
644 active_select = TRUE;
645 break;
646 case 'b':
647 sscanf(cmd+i+2,"%d",&temp);
648 numbits = temp & 0xFFFF;
649 i+=3;
650 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
651 i-=2;
652 break;
653 case 't':
654 bTimeout = TRUE;
655 sscanf(cmd+i+2,"%d",&temp);
656 timeout = temp;
657 i+=3;
658 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
659 i-=2;
660 break;
661 case 'T':
662 topazmode = TRUE;
663 break;
664 default:
665 PrintAndLog("Invalid option");
666 return 0;
667 }
668 i+=2;
669 continue;
670 }
671 if ((cmd[i]>='0' && cmd[i]<='9') ||
672 (cmd[i]>='a' && cmd[i]<='f') ||
673 (cmd[i]>='A' && cmd[i]<='F') ) {
674 buf[strlen(buf)+1]=0;
675 buf[strlen(buf)]=cmd[i];
676 i++;
677
678 if (strlen(buf)>=2) {
679 sscanf(buf,"%x",&temp);
680 data[datalen]=(uint8_t)(temp & 0xff);
681 *buf=0;
682 if (++datalen>sizeof(data)){
683 if (crc)
684 PrintAndLog("Buffer is full, we can't add CRC to your data");
685 break;
686 }
687 }
688 continue;
689 }
690 PrintAndLog("Invalid char on input");
691 return 0;
692 }
693
694 if(crc && datalen>0 && datalen<sizeof(data)-2)
695 {
696 uint8_t first, second;
697 if (topazmode) {
698 ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
699 } else {
700 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
701 }
702 data[datalen++] = first;
703 data[datalen++] = second;
704 }
705
706 if(active || active_select)
707 {
708 c.arg[0] |= ISO14A_CONNECT;
709 if(active)
710 c.arg[0] |= ISO14A_NO_SELECT;
711 }
712
713 if(bTimeout){
714 #define MAX_TIMEOUT 40542464 // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
715 c.arg[0] |= ISO14A_SET_TIMEOUT;
716 if(timeout > MAX_TIMEOUT) {
717 timeout = MAX_TIMEOUT;
718 PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
719 }
720 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
721 }
722
723 if(power)
724 c.arg[0] |= ISO14A_NO_DISCONNECT;
725
726 if(datalen > 0)
727 c.arg[0] |= ISO14A_RAW;
728
729 if(topazmode)
730 c.arg[0] |= ISO14A_TOPAZMODE;
731
732 // Max buffer is USB_CMD_DATA_SIZE
733 datalen = (datalen > USB_CMD_DATA_SIZE) ? USB_CMD_DATA_SIZE : datalen;
734 c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
735 memcpy(c.d.asBytes,data,datalen);
736
737 SendCommand(&c);
738
739 if (reply) {
740 if(active_select)
741 waitCmd(1);
742 if(datalen>0)
743 waitCmd(0);
744 } // if reply
745 return 0;
746 }
747
748
749 static void waitCmd(uint8_t iSelect)
750 {
751 uint8_t *recv;
752 UsbCommand resp;
753 char *hexout;
754
755 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
756 recv = resp.d.asBytes;
757 uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
758 PrintAndLog("received %i octets", iLen);
759 if(!iLen)
760 return;
761 hexout = (char *)malloc(iLen * 3 + 1);
762 if (hexout != NULL) {
763 for (int i = 0; i < iLen; i++) { // data in hex
764 sprintf(&hexout[i * 3], "%02X ", recv[i]);
765 }
766 PrintAndLog("%s", hexout);
767 free(hexout);
768 } else {
769 PrintAndLog("malloc failed your client has low memory?");
770 }
771 } else {
772 PrintAndLog("timeout while waiting for reply.");
773 }
774 }
775
776 static command_t CommandTable[] =
777 {
778 {"help", CmdHelp, 1, "This help"},
779 {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
780 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
781 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
782 {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
783 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
784 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
785 {NULL, NULL, 0, NULL}
786 };
787
788 int CmdHF14A(const char *Cmd) {
789 // flush
790 WaitForResponseTimeout(CMD_ACK,NULL,100);
791
792 // parse
793 CmdsParse(CommandTable, Cmd);
794 return 0;
795 }
796
797 int CmdHelp(const char *Cmd)
798 {
799 CmdsHelp(CommandTable);
800 return 0;
801 }
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