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1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // High frequency commands
9 //-----------------------------------------------------------------------------
10
11 #include <stdlib.h>
12 #include <stdio.h>
13 #include <string.h>
14 #include "proxmark3.h"
15 #include "util.h"
16 #include "data.h"
17 #include "ui.h"
18 #include "iso14443crc.h"
19 #include "parity.h"
20 #include "cmdmain.h"
21 #include "cmdparser.h"
22 #include "cmdhf.h"
23 #include "cmdhf14a.h"
24 #include "cmdhf14b.h"
25 #include "cmdhf15.h"
26 #include "cmdhfepa.h"
27 #include "cmdhflegic.h"
28 #include "cmdhficlass.h"
29 #include "cmdhfmf.h"
30 #include "cmdhfmfu.h"
31 #include "cmdhftopaz.h"
32 #include "protocols.h"
33 #include "emv/cmdemv.h"
34
35 static int CmdHelp(const char *Cmd);
36
37 int CmdHFTune(const char *Cmd)
38 {
39 UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
40 SendCommand(&c);
41 return 0;
42 }
43
44
45 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
46 {
47 switch(cmd[0])
48 {
49 case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
50 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
51 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
52 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
53 if(cmd[1] == 0x70)
54 {
55 snprintf(exp,size,"SELECT_UID"); break;
56 }else
57 {
58 snprintf(exp,size,"ANTICOLL"); break;
59 }
60 }
61 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
62 //95 20 = Anticollision of cascade level2
63 //95 70 = Select of cascade level2
64 if(cmd[2] == 0x70)
65 {
66 snprintf(exp,size,"SELECT_UID-2"); break;
67 }else
68 {
69 snprintf(exp,size,"ANTICOLL-2"); break;
70 }
71 }
72 case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
73 case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
74 case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
75 case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
76 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
77 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
78 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
79 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
80 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
81 case MIFARE_AUTH_KEYA:{
82 if ( cmdsize > 3)
83 snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
84 else
85 // case MIFARE_ULEV1_VERSION : both 0x60.
86 snprintf(exp,size,"EV1 VERSION");
87 break;
88 }
89 case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
90 case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
91 case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
92 case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
93 case MIFARE_ULC_AUTH_1: snprintf(exp,size,"AUTH "); break;
94 case MIFARE_ULC_AUTH_2: snprintf(exp,size,"AUTH_ANSW"); break;
95 case MIFARE_ULEV1_AUTH:
96 if ( cmdsize == 7 )
97 snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
98 else
99 snprintf(exp,size,"PWD-AUTH");
100 break;
101 case MIFARE_ULEV1_FASTREAD:{
102 if ( cmdsize >=3 && cmd[2] <= 0xE6)
103 snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
104 else
105 snprintf(exp,size,"?");
106 break;
107 }
108 case MIFARE_ULC_WRITE:{
109 if ( cmd[1] < 0x21 )
110 snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
111 else
112 snprintf(exp,size,"?");
113 break;
114 }
115 case MIFARE_ULEV1_READ_CNT:{
116 if ( cmd[1] < 5 )
117 snprintf(exp,size,"READ CNT(%d)",cmd[1]);
118 else
119 snprintf(exp,size,"?");
120 break;
121 }
122 case MIFARE_ULEV1_INCR_CNT:{
123 if ( cmd[1] < 5 )
124 snprintf(exp,size,"INCR(%d)",cmd[1]);
125 else
126 snprintf(exp,size,"?");
127 break;
128 }
129 case MIFARE_ULEV1_READSIG: snprintf(exp,size,"READ_SIG"); break;
130 case MIFARE_ULEV1_CHECKTEAR: snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
131 case MIFARE_ULEV1_VCSL: snprintf(exp,size,"VCSL"); break;
132 default: snprintf(exp,size,"?"); break;
133 }
134 return;
135 }
136
137 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
138 {
139 switch(cmd[0])
140 {
141 case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
142 case ICLASS_CMD_READ_OR_IDENTIFY:{
143 if(cmdsize > 1){
144 snprintf(exp,size,"READ(%d)",cmd[1]);
145 }else{
146 snprintf(exp,size,"IDENTIFY");
147 }
148 break;
149 }
150 case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
151 case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
152 case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
153 case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
154 case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
155 case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
156 case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
157 case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
158 case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
159 case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
160 default: snprintf(exp,size,"?"); break;
161 }
162 return;
163 }
164
165 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
166 {
167
168 if(cmd[0] == 0x26)
169 {
170 switch(cmd[1]){
171 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
172 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
173 default: snprintf(exp,size,"?"); break;
174
175 }
176 }else if(cmd[0] == 0x02)
177 {
178 switch(cmd[1])
179 {
180 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
181 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
182 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
183 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
184 case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
185 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
186 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
187 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
188 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
189 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
190 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
191 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
192 default: snprintf(exp,size,"?"); break;
193 }
194 }
195 }
196
197
198 void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
199 {
200 switch(cmd[0]) {
201 case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
202 case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
203 case TOPAZ_RID :snprintf(exp, size, "RID");break;
204 case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
205 case TOPAZ_READ :snprintf(exp, size, "READ");break;
206 case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
207 case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
208 case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
209 case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
210 case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
211 case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
212 default: snprintf(exp,size,"?"); break;
213 }
214 }
215
216
217 /**
218 06 00 = INITIATE
219 0E xx = SELECT ID (xx = Chip-ID)
220 0B = Get UID
221 08 yy = Read Block (yy = block number)
222 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
223 0C = Reset to Inventory
224 0F = Completion
225 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
226 **/
227
228 void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
229 {
230 switch(cmd[0]){
231 case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
232 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
233 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
234 case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
235 case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
236 case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
237 case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
238 case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
239 case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
240 case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
241 case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
242 default : snprintf(exp,size ,"?");break;
243 }
244
245 }
246
247 /**
248 * @brief iso14443A_CRC_check Checks CRC in command or response
249 * @param isResponse
250 * @param data
251 * @param len
252 * @return 0 : CRC-command, CRC not ok
253 * 1 : CRC-command, CRC ok
254 * 2 : Not crc-command
255 */
256
257 uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
258 {
259 uint8_t b1,b2;
260
261 if(len <= 2) return 2;
262
263 if(isResponse & (len < 6)) return 2;
264
265 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
266 if (b1 != data[len-2] || b2 != data[len-1]) {
267 return 0;
268 } else {
269 return 1;
270 }
271 }
272
273
274 /**
275 * @brief iso14443B_CRC_check Checks CRC in command or response
276 * @param isResponse
277 * @param data
278 * @param len
279 * @return 0 : CRC-command, CRC not ok
280 * 1 : CRC-command, CRC ok
281 * 2 : Not crc-command
282 */
283
284 uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
285 {
286 uint8_t b1,b2;
287
288 if(len <= 2) return 2;
289
290 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
291 if(b1 != data[len-2] || b2 != data[len-1]) {
292 return 0;
293 } else {
294 return 1;
295 }
296 }
297
298 /**
299 * @brief iclass_CRC_Ok Checks CRC in command or response
300 * @param isResponse
301 * @param data
302 * @param len
303 * @return 0 : CRC-command, CRC not ok
304 * 1 : CRC-command, CRC ok
305 * 2 : Not crc-command
306 */
307 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
308 {
309 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
310
311 uint8_t b1, b2;
312
313 if(!isResponse)//Commands to tag
314 {
315 /**
316 These commands should have CRC. Total length leftmost
317 4 READ
318 4 READ4
319 12 UPDATE - unsecured, ends with CRC16
320 14 UPDATE - secured, ends with signature instead
321 4 PAGESEL
322 **/
323 if(len == 4 || len == 12)//Covers three of them
324 {
325 //Don't include the command byte
326 ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
327 return b1 == data[len -2] && b2 == data[len-1];
328 }
329 return 2;
330 }else{
331 /**
332 These tag responses should have CRC. Total length leftmost
333
334 10 READ data[8] crc[2]
335 34 READ4 data[32]crc[2]
336 10 UPDATE data[8] crc[2]
337 10 SELECT csn[8] crc[2]
338 10 IDENTIFY asnb[8] crc[2]
339 10 PAGESEL block1[8] crc[2]
340 10 DETECT csn[8] crc[2]
341
342 These should not
343
344 4 CHECK chip_response[4]
345 8 READCHECK data[8]
346 1 ACTALL sof[1]
347 1 ACT sof[1]
348
349 In conclusion, without looking at the command; any response
350 of length 10 or 34 should have CRC
351 **/
352 if(len != 10 && len != 34) return true;
353
354 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
355 return b1 == data[len -2] && b2 == data[len-1];
356 }
357 }
358
359
360 bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
361 {
362 return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
363 }
364
365
366 bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
367 {
368 uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
369
370 return(next_records_datalen & 0x8000);
371 }
372
373
374 bool merge_topaz_reader_frames(uint32_t timestamp, uint32_t *duration, uint16_t *tracepos, uint16_t traceLen, uint8_t *trace, uint8_t *frame, uint8_t *topaz_reader_command, uint16_t *data_len)
375 {
376
377 #define MAX_TOPAZ_READER_CMD_LEN 16
378
379 uint32_t last_timestamp = timestamp + *duration;
380
381 if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
382
383 memcpy(topaz_reader_command, frame, *data_len);
384
385 while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
386 uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
387 *tracepos += sizeof(uint32_t);
388 uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
389 *tracepos += sizeof(uint16_t);
390 uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
391 *tracepos += sizeof(uint16_t);
392 uint8_t *next_frame = (trace + *tracepos);
393 *tracepos += next_data_len;
394 if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
395 memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
396 *data_len += next_data_len;
397 last_timestamp = next_timestamp + next_duration;
398 } else {
399 // rewind and exit
400 *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
401 break;
402 }
403 uint16_t next_parity_len = (next_data_len-1)/8 + 1;
404 *tracepos += next_parity_len;
405 }
406
407 *duration = last_timestamp - timestamp;
408
409 return true;
410 }
411
412
413 uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
414 {
415 bool isResponse;
416 uint16_t data_len, parity_len;
417 uint32_t duration;
418 uint8_t topaz_reader_command[9];
419 uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
420 char explanation[30] = {0};
421
422 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
423
424 first_timestamp = *((uint32_t *)(trace));
425 timestamp = *((uint32_t *)(trace + tracepos));
426
427 tracepos += 4;
428 duration = *((uint16_t *)(trace + tracepos));
429 tracepos += 2;
430 data_len = *((uint16_t *)(trace + tracepos));
431 tracepos += 2;
432
433 if (data_len & 0x8000) {
434 data_len &= 0x7fff;
435 isResponse = true;
436 } else {
437 isResponse = false;
438 }
439 parity_len = (data_len-1)/8 + 1;
440
441 if (tracepos + data_len + parity_len > traceLen) {
442 return traceLen;
443 }
444 uint8_t *frame = trace + tracepos;
445 tracepos += data_len;
446 uint8_t *parityBytes = trace + tracepos;
447 tracepos += parity_len;
448
449 if (protocol == TOPAZ && !isResponse) {
450 // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
451 // merge them:
452 if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
453 frame = topaz_reader_command;
454 }
455 }
456
457 //Check the CRC status
458 uint8_t crcStatus = 2;
459
460 if (data_len > 2) {
461 switch (protocol) {
462 case ICLASS:
463 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
464 break;
465 case ISO_14443B:
466 case TOPAZ:
467 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
468 break;
469 case ISO_14443A:
470 crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
471 break;
472 default:
473 break;
474 }
475 }
476 //0 CRC-command, CRC not ok
477 //1 CRC-command, CRC ok
478 //2 Not crc-command
479
480 //--- Draw the data column
481 //char line[16][110];
482 char line[16][110];
483
484 for (int j = 0; j < data_len && j/16 < 16; j++) {
485
486 uint8_t parityBits = parityBytes[j>>3];
487 if (protocol != ISO_14443B && (isResponse || protocol == ISO_14443A) && (oddparity8(frame[j]) != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
488 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
489 } else {
490 snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x ", frame[j]);
491 }
492
493 }
494
495 if (markCRCBytes) {
496 if(crcStatus == 0 || crcStatus == 1)
497 {//CRC-command
498 char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
499 (*pos1) = '[';
500 char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
501 sprintf(pos2, "%c", ']');
502 }
503 }
504
505 if(data_len == 0)
506 {
507 if(data_len == 0){
508 sprintf(line[0],"<empty trace - possible error>");
509 }
510 }
511 //--- Draw the CRC column
512
513 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
514
515 EndOfTransmissionTimestamp = timestamp + duration;
516
517 if(!isResponse)
518 {
519 switch(protocol) {
520 case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
521 case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
522 case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
523 case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
524 default: break;
525 }
526 }
527
528 int num_lines = MIN((data_len - 1)/16 + 1, 16);
529 for (int j = 0; j < num_lines ; j++) {
530 if (j == 0) {
531 PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
532 (timestamp - first_timestamp),
533 (EndOfTransmissionTimestamp - first_timestamp),
534 (isResponse ? "Tag" : "Rdr"),
535 line[j],
536 (j == num_lines-1) ? crc : " ",
537 (j == num_lines-1) ? explanation : "");
538 } else {
539 PrintAndLog(" | | |%-64s | %s| %s",
540 line[j],
541 (j == num_lines-1) ? crc : " ",
542 (j == num_lines-1) ? explanation : "");
543 }
544 }
545
546 if (is_last_record(tracepos, trace, traceLen)) return traceLen;
547
548 if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
549 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
550 PrintAndLog(" %10d | %10d | %s | fdt (Frame Delay Time): %d",
551 (EndOfTransmissionTimestamp - first_timestamp),
552 (next_timestamp - first_timestamp),
553 " ",
554 (next_timestamp - EndOfTransmissionTimestamp));
555 }
556
557 return tracepos;
558 }
559
560
561 int CmdHFList(const char *Cmd)
562 {
563 bool showWaitCycles = false;
564 bool markCRCBytes = false;
565 char type[40] = {0};
566 int tlen = param_getstr(Cmd,0,type, sizeof(type));
567 char param1 = param_getchar(Cmd, 1);
568 char param2 = param_getchar(Cmd, 2);
569 bool errors = false;
570 uint8_t protocol = 0;
571 //Validate params
572
573 if(tlen == 0) {
574 errors = true;
575 }
576
577 if(param1 == 'h'
578 || (param1 != 0 && param1 != 'f' && param1 != 'c')
579 || (param2 != 0 && param2 != 'f' && param2 != 'c')) {
580 errors = true;
581 }
582
583 if(!errors) {
584 if(strcmp(type, "iclass") == 0) {
585 protocol = ICLASS;
586 } else if(strcmp(type, "14a") == 0) {
587 protocol = ISO_14443A;
588 } else if(strcmp(type, "14b") == 0) {
589 protocol = ISO_14443B;
590 } else if(strcmp(type,"topaz")== 0) {
591 protocol = TOPAZ;
592 } else if(strcmp(type,"raw")== 0) {
593 protocol = -1;//No crc, no annotations
594 } else {
595 errors = true;
596 }
597 }
598
599 if (errors) {
600 PrintAndLog("List protocol data in trace buffer.");
601 PrintAndLog("Usage: hf list <protocol> [f][c]");
602 PrintAndLog(" f - show frame delay times as well");
603 PrintAndLog(" c - mark CRC bytes");
604 PrintAndLog("Supported <protocol> values:");
605 PrintAndLog(" raw - just show raw data without annotations");
606 PrintAndLog(" 14a - interpret data as iso14443a communications");
607 PrintAndLog(" 14b - interpret data as iso14443b communications");
608 PrintAndLog(" iclass - interpret data as iclass communications");
609 PrintAndLog(" topaz - interpret data as topaz communications");
610 PrintAndLog("");
611 PrintAndLog("example: hf list 14a f");
612 PrintAndLog("example: hf list iclass");
613 return 0;
614 }
615
616
617 if (param1 == 'f' || param2 == 'f') {
618 showWaitCycles = true;
619 }
620
621 if (param1 == 'c' || param2 == 'c') {
622 markCRCBytes = true;
623 }
624
625 uint8_t *trace;
626 uint16_t tracepos = 0;
627 trace = malloc(USB_CMD_DATA_SIZE);
628
629 // Query for the size of the trace
630 UsbCommand response;
631 GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
632 WaitForResponse(CMD_ACK, &response);
633 uint16_t traceLen = response.arg[2];
634 if (traceLen > USB_CMD_DATA_SIZE) {
635 uint8_t *p = realloc(trace, traceLen);
636 if (p == NULL) {
637 PrintAndLog("Cannot allocate memory for trace");
638 free(trace);
639 return 2;
640 }
641 trace = p;
642 GetFromBigBuf(trace, traceLen, 0);
643 WaitForResponse(CMD_ACK, NULL);
644 }
645
646 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
647 PrintAndLog("");
648 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
649 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
650 PrintAndLog("iClass - Timings are not as accurate");
651 PrintAndLog("");
652 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
653 PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
654
655 while(tracepos < traceLen)
656 {
657 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
658 }
659
660 free(trace);
661 return 0;
662 }
663
664 int CmdHFSearch(const char *Cmd){
665 int ans = 0;
666 PrintAndLog("");
667 ans = CmdHF14AInfo("s");
668 if (ans > 0) {
669 PrintAndLog("\nValid ISO14443A Tag Found - Quiting Search\n");
670 return ans;
671 }
672 ans = HFiClassReader("", false, false);
673 if (ans) {
674 PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n");
675 return ans;
676 }
677 ans = HF15Reader("", false);
678 if (ans) {
679 PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n");
680 return ans;
681 }
682 //14b is longest test currently (and rarest chip type) ... put last
683 ans = HF14BInfo(false);
684 if (ans) {
685 PrintAndLog("\nValid ISO14443B Tag Found - Quiting Search\n");
686 return ans;
687 }
688 PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
689 return 0;
690 }
691
692 int CmdHFSnoop(const char *Cmd)
693 {
694 char * pEnd;
695 UsbCommand c = {CMD_HF_SNIFFER, {strtol(Cmd, &pEnd,0),strtol(pEnd, &pEnd,0),0}};
696 SendCommand(&c);
697 return 0;
698 }
699
700 static command_t CommandTable[] =
701 {
702 {"help", CmdHelp, 1, "This help"},
703 {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
704 {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
705 {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
706 {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
707 {"emv", CmdHFEMV, 1, "{ EMV cards... }"},
708 {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
709 {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
710 {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
711 {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
712 {"topaz", CmdHFTopaz, 1, "{ TOPAZ (NFC Type 1) RFIDs... }"},
713 {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
714 {"list", CmdHFList, 1, "List protocol data in trace buffer"},
715 {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"},
716 {"snoop", CmdHFSnoop, 0, "<samples to skip (10000)> <triggers to skip (1)> Generic HF Snoop"},
717 {NULL, NULL, 0, NULL}
718 };
719
720 int CmdHF(const char *Cmd)
721 {
722 CmdsParse(CommandTable, Cmd);
723 return 0;
724 }
725
726 int CmdHelp(const char *Cmd)
727 {
728 CmdsHelp(CommandTable);
729 return 0;
730 }
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