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