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Merge pull request #235 from marshmellow42/lfdemod_refactors
[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 <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 "cmdmain.h"
20 #include "cmdparser.h"
21 #include "cmdhf.h"
22 #include "cmdhf14a.h"
23 #include "cmdhf14b.h"
24 #include "cmdhf15.h"
25 #include "cmdhfepa.h"
26 #include "cmdhflegic.h"
27 #include "cmdhficlass.h"
28 #include "cmdhfmf.h"
29 #include "cmdhfmfu.h"
30 #include "cmdhftopaz.h"
31 #include "protocols.h"
32
33 static int CmdHelp(const char *Cmd);
34
35 int CmdHFTune(const char *Cmd)
36 {
37 UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
38 SendCommand(&c);
39 return 0;
40 }
41
42
43 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
44 {
45 switch(cmd[0])
46 {
47 case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
48 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
49 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
50 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
51 if(cmd[1] == 0x70)
52 {
53 snprintf(exp,size,"SELECT_UID"); break;
54 }else
55 {
56 snprintf(exp,size,"ANTICOLL"); break;
57 }
58 }
59 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
60 //95 20 = Anticollision of cascade level2
61 //95 70 = Select of cascade level2
62 if(cmd[2] == 0x70)
63 {
64 snprintf(exp,size,"SELECT_UID-2"); break;
65 }else
66 {
67 snprintf(exp,size,"ANTICOLL-2"); break;
68 }
69 }
70 case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
71 case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
72 case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
73 case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
74 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
75 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
76 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
77 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
78 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
79 case MIFARE_AUTH_KEYA:{
80 if ( cmdsize > 3)
81 snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
82 else
83 // case MIFARE_ULEV1_VERSION : both 0x60.
84 snprintf(exp,size,"EV1 VERSION");
85 break;
86 }
87 case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
88 case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
89 case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
90 case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
91 case MIFARE_ULC_AUTH_1: snprintf(exp,size,"AUTH "); break;
92 case MIFARE_ULC_AUTH_2: snprintf(exp,size,"AUTH_ANSW"); break;
93 case MIFARE_ULEV1_AUTH:
94 if ( cmdsize == 7 )
95 snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
96 else
97 snprintf(exp,size,"PWD-AUTH");
98 break;
99 case MIFARE_ULEV1_FASTREAD:{
100 if ( cmdsize >=3 && cmd[2] <= 0xE6)
101 snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
102 else
103 snprintf(exp,size,"?");
104 break;
105 }
106 case MIFARE_ULC_WRITE:{
107 if ( cmd[1] < 0x21 )
108 snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
109 else
110 snprintf(exp,size,"?");
111 break;
112 }
113 case MIFARE_ULEV1_READ_CNT:{
114 if ( cmd[1] < 5 )
115 snprintf(exp,size,"READ CNT(%d)",cmd[1]);
116 else
117 snprintf(exp,size,"?");
118 break;
119 }
120 case MIFARE_ULEV1_INCR_CNT:{
121 if ( cmd[1] < 5 )
122 snprintf(exp,size,"INCR(%d)",cmd[1]);
123 else
124 snprintf(exp,size,"?");
125 break;
126 }
127 case MIFARE_ULEV1_READSIG: snprintf(exp,size,"READ_SIG"); break;
128 case MIFARE_ULEV1_CHECKTEAR: snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
129 case MIFARE_ULEV1_VCSL: snprintf(exp,size,"VCSL"); break;
130 default: snprintf(exp,size,"?"); break;
131 }
132 return;
133 }
134
135 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
136 {
137 switch(cmd[0])
138 {
139 case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
140 case ICLASS_CMD_READ_OR_IDENTIFY:{
141 if(cmdsize > 1){
142 snprintf(exp,size,"READ(%d)",cmd[1]);
143 }else{
144 snprintf(exp,size,"IDENTIFY");
145 }
146 break;
147 }
148 case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
149 case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
150 case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
151 case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
152 case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
153 case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
154 case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
155 case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
156 case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
157 case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
158 default: snprintf(exp,size,"?"); break;
159 }
160 return;
161 }
162
163 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
164 {
165
166 if(cmd[0] == 0x26)
167 {
168 switch(cmd[1]){
169 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
170 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
171 default: snprintf(exp,size,"?"); break;
172
173 }
174 }else if(cmd[0] == 0x02)
175 {
176 switch(cmd[1])
177 {
178 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
179 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
180 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
181 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
182 case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
183 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
184 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
185 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
186 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
187 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
188 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
189 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
190 default: snprintf(exp,size,"?"); break;
191 }
192 }
193 }
194
195
196 void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
197 {
198 switch(cmd[0]) {
199 case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
200 case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
201 case TOPAZ_RID :snprintf(exp, size, "RID");break;
202 case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
203 case TOPAZ_READ :snprintf(exp, size, "READ");break;
204 case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
205 case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
206 case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
207 case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
208 case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
209 case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
210 default: snprintf(exp,size,"?"); break;
211 }
212 }
213
214
215 /**
216 06 00 = INITIATE
217 0E xx = SELECT ID (xx = Chip-ID)
218 0B = Get UID
219 08 yy = Read Block (yy = block number)
220 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
221 0C = Reset to Inventory
222 0F = Completion
223 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
224 **/
225
226 void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
227 {
228 switch(cmd[0]){
229 case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
230 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
231 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
232 case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
233 case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
234 case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
235 case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
236 case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
237 case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
238 case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
239 case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
240 default : snprintf(exp,size ,"?");break;
241 }
242
243 }
244
245 /**
246 * @brief iso14443A_CRC_check Checks CRC in command or response
247 * @param isResponse
248 * @param data
249 * @param len
250 * @return 0 : CRC-command, CRC not ok
251 * 1 : CRC-command, CRC ok
252 * 2 : Not crc-command
253 */
254
255 uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
256 {
257 uint8_t b1,b2;
258
259 if(len <= 2) return 2;
260
261 if(isResponse & (len < 6)) return 2;
262
263 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
264 if (b1 != data[len-2] || b2 != data[len-1]) {
265 return 0;
266 } else {
267 return 1;
268 }
269 }
270
271
272 /**
273 * @brief iso14443B_CRC_check Checks CRC in command or response
274 * @param isResponse
275 * @param data
276 * @param len
277 * @return 0 : CRC-command, CRC not ok
278 * 1 : CRC-command, CRC ok
279 * 2 : Not crc-command
280 */
281
282 uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
283 {
284 uint8_t b1,b2;
285
286 if(len <= 2) return 2;
287
288 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
289 if(b1 != data[len-2] || b2 != data[len-1]) {
290 return 0;
291 } else {
292 return 1;
293 }
294 }
295
296 /**
297 * @brief iclass_CRC_Ok Checks CRC in command or response
298 * @param isResponse
299 * @param data
300 * @param len
301 * @return 0 : CRC-command, CRC not ok
302 * 1 : CRC-command, CRC ok
303 * 2 : Not crc-command
304 */
305 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
306 {
307 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
308
309 uint8_t b1, b2;
310
311 if(!isResponse)//Commands to tag
312 {
313 /**
314 These commands should have CRC. Total length leftmost
315 4 READ
316 4 READ4
317 12 UPDATE - unsecured, ends with CRC16
318 14 UPDATE - secured, ends with signature instead
319 4 PAGESEL
320 **/
321 if(len == 4 || len == 12)//Covers three of them
322 {
323 //Don't include the command byte
324 ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
325 return b1 == data[len -2] && b2 == data[len-1];
326 }
327 return 2;
328 }else{
329 /**
330 These tag responses should have CRC. Total length leftmost
331
332 10 READ data[8] crc[2]
333 34 READ4 data[32]crc[2]
334 10 UPDATE data[8] crc[2]
335 10 SELECT csn[8] crc[2]
336 10 IDENTIFY asnb[8] crc[2]
337 10 PAGESEL block1[8] crc[2]
338 10 DETECT csn[8] crc[2]
339
340 These should not
341
342 4 CHECK chip_response[4]
343 8 READCHECK data[8]
344 1 ACTALL sof[1]
345 1 ACT sof[1]
346
347 In conclusion, without looking at the command; any response
348 of length 10 or 34 should have CRC
349 **/
350 if(len != 10 && len != 34) return true;
351
352 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
353 return b1 == data[len -2] && b2 == data[len-1];
354 }
355 }
356
357
358 bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
359 {
360 return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
361 }
362
363
364 bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
365 {
366 uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
367
368 return(next_records_datalen & 0x8000);
369 }
370
371
372 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)
373 {
374
375 #define MAX_TOPAZ_READER_CMD_LEN 16
376
377 uint32_t last_timestamp = timestamp + *duration;
378
379 if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
380
381 memcpy(topaz_reader_command, frame, *data_len);
382
383 while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
384 uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
385 *tracepos += sizeof(uint32_t);
386 uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
387 *tracepos += sizeof(uint16_t);
388 uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
389 *tracepos += sizeof(uint16_t);
390 uint8_t *next_frame = (trace + *tracepos);
391 *tracepos += next_data_len;
392 if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
393 memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
394 *data_len += next_data_len;
395 last_timestamp = next_timestamp + next_duration;
396 } else {
397 // rewind and exit
398 *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
399 break;
400 }
401 uint16_t next_parity_len = (next_data_len-1)/8 + 1;
402 *tracepos += next_parity_len;
403 }
404
405 *duration = last_timestamp - timestamp;
406
407 return true;
408 }
409
410
411 uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
412 {
413 bool isResponse;
414 uint16_t data_len, parity_len;
415 uint32_t duration;
416 uint8_t topaz_reader_command[9];
417 uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
418 char explanation[30] = {0};
419
420 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
421
422 first_timestamp = *((uint32_t *)(trace));
423 timestamp = *((uint32_t *)(trace + tracepos));
424
425 tracepos += 4;
426 duration = *((uint16_t *)(trace + tracepos));
427 tracepos += 2;
428 data_len = *((uint16_t *)(trace + tracepos));
429 tracepos += 2;
430
431 if (data_len & 0x8000) {
432 data_len &= 0x7fff;
433 isResponse = true;
434 } else {
435 isResponse = false;
436 }
437 parity_len = (data_len-1)/8 + 1;
438
439 if (tracepos + data_len + parity_len > traceLen) {
440 return traceLen;
441 }
442 uint8_t *frame = trace + tracepos;
443 tracepos += data_len;
444 uint8_t *parityBytes = trace + tracepos;
445 tracepos += parity_len;
446
447 if (protocol == TOPAZ && !isResponse) {
448 // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
449 // merge them:
450 if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
451 frame = topaz_reader_command;
452 }
453 }
454
455 //Check the CRC status
456 uint8_t crcStatus = 2;
457
458 if (data_len > 2) {
459 switch (protocol) {
460 case ICLASS:
461 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
462 break;
463 case ISO_14443B:
464 case TOPAZ:
465 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
466 break;
467 case ISO_14443A:
468 crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
469 break;
470 default:
471 break;
472 }
473 }
474 //0 CRC-command, CRC not ok
475 //1 CRC-command, CRC ok
476 //2 Not crc-command
477
478 //--- Draw the data column
479 //char line[16][110];
480 char line[16][110];
481
482 for (int j = 0; j < data_len && j/16 < 16; j++) {
483
484 int oddparity = 0x01;
485 int k;
486
487 for (k=0 ; k<8 ; k++) {
488 oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
489 }
490 uint8_t parityBits = parityBytes[j>>3];
491 if (protocol != ISO_14443B && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
492 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
493 } else {
494 snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x ", frame[j]);
495 }
496
497 }
498
499 if (markCRCBytes) {
500 if(crcStatus == 0 || crcStatus == 1)
501 {//CRC-command
502 char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
503 (*pos1) = '[';
504 char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
505 sprintf(pos2, "%c", ']');
506 }
507 }
508
509 if(data_len == 0)
510 {
511 if(data_len == 0){
512 sprintf(line[0],"<empty trace - possible error>");
513 }
514 }
515 //--- Draw the CRC column
516
517 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
518
519 EndOfTransmissionTimestamp = timestamp + duration;
520
521 if(!isResponse)
522 {
523 switch(protocol) {
524 case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
525 case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
526 case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
527 case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
528 default: break;
529 }
530 }
531
532 int num_lines = MIN((data_len - 1)/16 + 1, 16);
533 for (int j = 0; j < num_lines ; j++) {
534 if (j == 0) {
535 PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
536 (timestamp - first_timestamp),
537 (EndOfTransmissionTimestamp - first_timestamp),
538 (isResponse ? "Tag" : "Rdr"),
539 line[j],
540 (j == num_lines-1) ? crc : " ",
541 (j == num_lines-1) ? explanation : "");
542 } else {
543 PrintAndLog(" | | |%-64s | %s| %s",
544 line[j],
545 (j == num_lines-1) ? crc : " ",
546 (j == num_lines-1) ? explanation : "");
547 }
548 }
549
550 if (is_last_record(tracepos, trace, traceLen)) return traceLen;
551
552 if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
553 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
554 PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
555 (EndOfTransmissionTimestamp - first_timestamp),
556 (next_timestamp - first_timestamp),
557 " ",
558 (next_timestamp - EndOfTransmissionTimestamp));
559 }
560
561 return tracepos;
562 }
563
564
565 int CmdHFList(const char *Cmd)
566 {
567 bool showWaitCycles = false;
568 bool markCRCBytes = false;
569 char type[40] = {0};
570 int tlen = param_getstr(Cmd,0,type);
571 char param1 = param_getchar(Cmd, 1);
572 char param2 = param_getchar(Cmd, 2);
573 bool errors = false;
574 uint8_t protocol = 0;
575 //Validate params
576
577 if(tlen == 0) {
578 errors = true;
579 }
580
581 if(param1 == 'h'
582 || (param1 != 0 && param1 != 'f' && param1 != 'c')
583 || (param2 != 0 && param2 != 'f' && param2 != 'c')) {
584 errors = true;
585 }
586
587 if(!errors) {
588 if(strcmp(type, "iclass") == 0) {
589 protocol = ICLASS;
590 } else if(strcmp(type, "14a") == 0) {
591 protocol = ISO_14443A;
592 } else if(strcmp(type, "14b") == 0) {
593 protocol = ISO_14443B;
594 } else if(strcmp(type,"topaz")== 0) {
595 protocol = TOPAZ;
596 } else if(strcmp(type,"raw")== 0) {
597 protocol = -1;//No crc, no annotations
598 } else {
599 errors = true;
600 }
601 }
602
603 if (errors) {
604 PrintAndLog("List protocol data in trace buffer.");
605 PrintAndLog("Usage: hf list <protocol> [f][c]");
606 PrintAndLog(" f - show frame delay times as well");
607 PrintAndLog(" c - mark CRC bytes");
608 PrintAndLog("Supported <protocol> values:");
609 PrintAndLog(" raw - just show raw data without annotations");
610 PrintAndLog(" 14a - interpret data as iso14443a communications");
611 PrintAndLog(" 14b - interpret data as iso14443b communications");
612 PrintAndLog(" iclass - interpret data as iclass communications");
613 PrintAndLog(" topaz - interpret data as topaz communications");
614 PrintAndLog("");
615 PrintAndLog("example: hf list 14a f");
616 PrintAndLog("example: hf list iclass");
617 return 0;
618 }
619
620
621 if (param1 == 'f' || param2 == 'f') {
622 showWaitCycles = true;
623 }
624
625 if (param1 == 'c' || param2 == 'c') {
626 markCRCBytes = true;
627 }
628
629 uint8_t *trace;
630 uint16_t tracepos = 0;
631 trace = malloc(USB_CMD_DATA_SIZE);
632
633 // Query for the size of the trace
634 UsbCommand response;
635 GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
636 WaitForResponse(CMD_ACK, &response);
637 uint16_t traceLen = response.arg[2];
638 if (traceLen > USB_CMD_DATA_SIZE) {
639 uint8_t *p = realloc(trace, traceLen);
640 if (p == NULL) {
641 PrintAndLog("Cannot allocate memory for trace");
642 free(trace);
643 return 2;
644 }
645 trace = p;
646 GetFromBigBuf(trace, traceLen, 0);
647 WaitForResponse(CMD_ACK, NULL);
648 }
649
650 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
651 PrintAndLog("");
652 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
653 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
654 PrintAndLog("iClass - Timings are not as accurate");
655 PrintAndLog("");
656 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
657 PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
658
659 while(tracepos < traceLen)
660 {
661 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
662 }
663
664 free(trace);
665 return 0;
666 }
667
668 int CmdHFSearch(const char *Cmd){
669 int ans = 0;
670 PrintAndLog("");
671 ans = CmdHF14AReader("s");
672 if (ans > 0) {
673 PrintAndLog("\nValid ISO14443A Tag Found - Quiting Search\n");
674 return ans;
675 }
676 ans = HFiClassReader("", false, false);
677 if (ans) {
678 PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n");
679 return ans;
680 }
681 ans = HF14BInfo(false);
682 if (ans) {
683 PrintAndLog("\nValid ISO14443B Tag Found - Quiting Search\n");
684 return ans;
685 }
686 ans = HF15Reader("", false);
687 if (ans) {
688 PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n");
689 return ans;
690 }
691 PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
692 return 0;
693 }
694
695 int CmdHFSnoop(const char *Cmd)
696 {
697 char * pEnd;
698 UsbCommand c = {CMD_HF_SNIFFER, {strtol(Cmd, &pEnd,0),strtol(pEnd, &pEnd,0),0}};
699 SendCommand(&c);
700 return 0;
701 }
702
703 static command_t CommandTable[] =
704 {
705 {"help", CmdHelp, 1, "This help"},
706 {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
707 {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
708 {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
709 {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
710 {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
711 {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
712 {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
713 {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
714 {"topaz", CmdHFTopaz, 1, "{ TOPAZ (NFC Type 1) RFIDs... }"},
715 {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
716 {"list", CmdHFList, 1, "List protocol data in trace buffer"},
717 {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"},
718 {"snoop", CmdHFSnoop, 0, "<samples to skip (10000)> <triggers to skip (1)> Generic HF Snoop"},
719 {NULL, NULL, 0, NULL}
720 };
721
722 int CmdHF(const char *Cmd)
723 {
724 CmdsParse(CommandTable, Cmd);
725 return 0;
726 }
727
728 int CmdHelp(const char *Cmd)
729 {
730 CmdsHelp(CommandTable);
731 return 0;
732 }
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