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