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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
34 static int CmdHelp(const char *Cmd);
35
36 int CmdHFTune(const char *Cmd)
37 {
38 UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
39 SendCommand(&c);
40 return 0;
41 }
42
43
44 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
45 {
46 switch(cmd[0])
47 {
48 case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
49 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
50 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
51 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
52 if(cmd[1] == 0x70)
53 {
54 snprintf(exp,size,"SELECT_UID"); break;
55 }else
56 {
57 snprintf(exp,size,"ANTICOLL"); break;
58 }
59 }
60 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
61 //95 20 = Anticollision of cascade level2
62 //95 70 = Select of cascade level2
63 if(cmd[2] == 0x70)
64 {
65 snprintf(exp,size,"SELECT_UID-2"); break;
66 }else
67 {
68 snprintf(exp,size,"ANTICOLL-2"); break;
69 }
70 }
71 case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
72 case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
73 case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
74 case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
75 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
76 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
77 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
78 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
79 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
80 case MIFARE_AUTH_KEYA:{
81 if ( cmdsize > 3)
82 snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
83 else
84 // case MIFARE_ULEV1_VERSION : both 0x60.
85 snprintf(exp,size,"EV1 VERSION");
86 break;
87 }
88 case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
89 case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
90 case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
91 case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
92 case MIFARE_ULC_AUTH_1: snprintf(exp,size,"AUTH "); break;
93 case MIFARE_ULC_AUTH_2: snprintf(exp,size,"AUTH_ANSW"); break;
94 case MIFARE_ULEV1_AUTH:
95 if ( cmdsize == 7 )
96 snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
97 else
98 snprintf(exp,size,"PWD-AUTH");
99 break;
100 case MIFARE_ULEV1_FASTREAD:{
101 if ( cmdsize >=3 && cmd[2] <= 0xE6)
102 snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
103 else
104 snprintf(exp,size,"?");
105 break;
106 }
107 case MIFARE_ULC_WRITE:{
108 if ( cmd[1] < 0x21 )
109 snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
110 else
111 snprintf(exp,size,"?");
112 break;
113 }
114 case MIFARE_ULEV1_READ_CNT:{
115 if ( cmd[1] < 5 )
116 snprintf(exp,size,"READ CNT(%d)",cmd[1]);
117 else
118 snprintf(exp,size,"?");
119 break;
120 }
121 case MIFARE_ULEV1_INCR_CNT:{
122 if ( cmd[1] < 5 )
123 snprintf(exp,size,"INCR(%d)",cmd[1]);
124 else
125 snprintf(exp,size,"?");
126 break;
127 }
128 case MIFARE_ULEV1_READSIG: snprintf(exp,size,"READ_SIG"); break;
129 case MIFARE_ULEV1_CHECKTEAR: snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
130 case MIFARE_ULEV1_VCSL: snprintf(exp,size,"VCSL"); break;
131 default: snprintf(exp,size,"?"); break;
132 }
133 return;
134 }
135
136 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
137 {
138 switch(cmd[0])
139 {
140 case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
141 case ICLASS_CMD_READ_OR_IDENTIFY:{
142 if(cmdsize > 1){
143 snprintf(exp,size,"READ(%d)",cmd[1]);
144 }else{
145 snprintf(exp,size,"IDENTIFY");
146 }
147 break;
148 }
149 case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
150 case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
151 case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
152 case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
153 case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
154 case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
155 case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
156 case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
157 case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
158 case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
159 default: snprintf(exp,size,"?"); break;
160 }
161 return;
162 }
163
164 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
165 {
166
167 if(cmd[0] == 0x26)
168 {
169 switch(cmd[1]){
170 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
171 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
172 default: snprintf(exp,size,"?"); break;
173
174 }
175 }else if(cmd[0] == 0x02)
176 {
177 switch(cmd[1])
178 {
179 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
180 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
181 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
182 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
183 case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
184 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
185 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
186 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
187 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
188 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
189 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
190 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
191 default: snprintf(exp,size,"?"); break;
192 }
193 }
194 }
195
196
197 void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
198 {
199 switch(cmd[0]) {
200 case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
201 case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
202 case TOPAZ_RID :snprintf(exp, size, "RID");break;
203 case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
204 case TOPAZ_READ :snprintf(exp, size, "READ");break;
205 case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
206 case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
207 case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
208 case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
209 case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
210 case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
211 default: snprintf(exp,size,"?"); break;
212 }
213 }
214
215
216 /**
217 06 00 = INITIATE
218 0E xx = SELECT ID (xx = Chip-ID)
219 0B = Get UID
220 08 yy = Read Block (yy = block number)
221 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
222 0C = Reset to Inventory
223 0F = Completion
224 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
225 **/
226
227 void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
228 {
229 switch(cmd[0]){
230 case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
231 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
232 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
233 case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
234 case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
235 case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
236 case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
237 case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
238 case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
239 case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
240 case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
241 default : snprintf(exp,size ,"?");break;
242 }
243
244 }
245
246 /**
247 * @brief iso14443A_CRC_check 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
256 uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
257 {
258 uint8_t b1,b2;
259
260 if(len <= 2) return 2;
261
262 if(isResponse & (len < 6)) return 2;
263
264 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
265 if (b1 != data[len-2] || b2 != data[len-1]) {
266 return 0;
267 } else {
268 return 1;
269 }
270 }
271
272
273 /**
274 * @brief iso14443B_CRC_check Checks CRC in command or response
275 * @param isResponse
276 * @param data
277 * @param len
278 * @return 0 : CRC-command, CRC not ok
279 * 1 : CRC-command, CRC ok
280 * 2 : Not crc-command
281 */
282
283 uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
284 {
285 uint8_t b1,b2;
286
287 if(len <= 2) return 2;
288
289 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
290 if(b1 != data[len-2] || b2 != data[len-1]) {
291 return 0;
292 } else {
293 return 1;
294 }
295 }
296
297 /**
298 * @brief iclass_CRC_Ok Checks CRC in command or response
299 * @param isResponse
300 * @param data
301 * @param len
302 * @return 0 : CRC-command, CRC not ok
303 * 1 : CRC-command, CRC ok
304 * 2 : Not crc-command
305 */
306 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
307 {
308 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
309
310 uint8_t b1, b2;
311
312 if(!isResponse)//Commands to tag
313 {
314 /**
315 These commands should have CRC. Total length leftmost
316 4 READ
317 4 READ4
318 12 UPDATE - unsecured, ends with CRC16
319 14 UPDATE - secured, ends with signature instead
320 4 PAGESEL
321 **/
322 if(len == 4 || len == 12)//Covers three of them
323 {
324 //Don't include the command byte
325 ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
326 return b1 == data[len -2] && b2 == data[len-1];
327 }
328 return 2;
329 }else{
330 /**
331 These tag responses should have CRC. Total length leftmost
332
333 10 READ data[8] crc[2]
334 34 READ4 data[32]crc[2]
335 10 UPDATE data[8] crc[2]
336 10 SELECT csn[8] crc[2]
337 10 IDENTIFY asnb[8] crc[2]
338 10 PAGESEL block1[8] crc[2]
339 10 DETECT csn[8] crc[2]
340
341 These should not
342
343 4 CHECK chip_response[4]
344 8 READCHECK data[8]
345 1 ACTALL sof[1]
346 1 ACT sof[1]
347
348 In conclusion, without looking at the command; any response
349 of length 10 or 34 should have CRC
350 **/
351 if(len != 10 && len != 34) return true;
352
353 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
354 return b1 == data[len -2] && b2 == data[len-1];
355 }
356 }
357
358
359 bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
360 {
361 return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
362 }
363
364
365 bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
366 {
367 uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
368
369 return(next_records_datalen & 0x8000);
370 }
371
372
373 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)
374 {
375
376 #define MAX_TOPAZ_READER_CMD_LEN 16
377
378 uint32_t last_timestamp = timestamp + *duration;
379
380 if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
381
382 memcpy(topaz_reader_command, frame, *data_len);
383
384 while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
385 uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
386 *tracepos += sizeof(uint32_t);
387 uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
388 *tracepos += sizeof(uint16_t);
389 uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
390 *tracepos += sizeof(uint16_t);
391 uint8_t *next_frame = (trace + *tracepos);
392 *tracepos += next_data_len;
393 if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
394 memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
395 *data_len += next_data_len;
396 last_timestamp = next_timestamp + next_duration;
397 } else {
398 // rewind and exit
399 *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
400 break;
401 }
402 uint16_t next_parity_len = (next_data_len-1)/8 + 1;
403 *tracepos += next_parity_len;
404 }
405
406 *duration = last_timestamp - timestamp;
407
408 return true;
409 }
410
411
412 uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
413 {
414 bool isResponse;
415 uint16_t data_len, parity_len;
416 uint32_t duration;
417 uint8_t topaz_reader_command[9];
418 uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
419 char explanation[30] = {0};
420
421 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
422
423 first_timestamp = *((uint32_t *)(trace));
424 timestamp = *((uint32_t *)(trace + tracepos));
425
426 tracepos += 4;
427 duration = *((uint16_t *)(trace + tracepos));
428 tracepos += 2;
429 data_len = *((uint16_t *)(trace + tracepos));
430 tracepos += 2;
431
432 if (data_len & 0x8000) {
433 data_len &= 0x7fff;
434 isResponse = true;
435 } else {
436 isResponse = false;
437 }
438 parity_len = (data_len-1)/8 + 1;
439
440 if (tracepos + data_len + parity_len > traceLen) {
441 return traceLen;
442 }
443 uint8_t *frame = trace + tracepos;
444 tracepos += data_len;
445 uint8_t *parityBytes = trace + tracepos;
446 tracepos += parity_len;
447
448 if (protocol == TOPAZ && !isResponse) {
449 // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
450 // merge them:
451 if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
452 frame = topaz_reader_command;
453 }
454 }
455
456 //Check the CRC status
457 uint8_t crcStatus = 2;
458
459 if (data_len > 2) {
460 switch (protocol) {
461 case ICLASS:
462 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
463 break;
464 case ISO_14443B:
465 case TOPAZ:
466 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
467 break;
468 case ISO_14443A:
469 crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
470 break;
471 default:
472 break;
473 }
474 }
475 //0 CRC-command, CRC not ok
476 //1 CRC-command, CRC ok
477 //2 Not crc-command
478
479 //--- Draw the data column
480 //char line[16][110];
481 char line[16][110];
482
483 for (int j = 0; j < data_len && j/16 < 16; j++) {
484
485 uint8_t parityBits = parityBytes[j>>3];
486 if (protocol != ISO_14443B && (isResponse || protocol == ISO_14443A) && (oddparity8(frame[j]) != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
487 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
488 } else {
489 snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x ", frame[j]);
490 }
491
492 }
493
494 if (markCRCBytes) {
495 if(crcStatus == 0 || crcStatus == 1)
496 {//CRC-command
497 char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
498 (*pos1) = '[';
499 char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
500 sprintf(pos2, "%c", ']');
501 }
502 }
503
504 if(data_len == 0)
505 {
506 if(data_len == 0){
507 sprintf(line[0],"<empty trace - possible error>");
508 }
509 }
510 //--- Draw the CRC column
511
512 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
513
514 EndOfTransmissionTimestamp = timestamp + duration;
515
516 if(!isResponse)
517 {
518 switch(protocol) {
519 case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
520 case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
521 case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
522 case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
523 default: break;
524 }
525 }
526
527 int num_lines = MIN((data_len - 1)/16 + 1, 16);
528 for (int j = 0; j < num_lines ; j++) {
529 if (j == 0) {
530 PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
531 (timestamp - first_timestamp),
532 (EndOfTransmissionTimestamp - first_timestamp),
533 (isResponse ? "Tag" : "Rdr"),
534 line[j],
535 (j == num_lines-1) ? crc : " ",
536 (j == num_lines-1) ? explanation : "");
537 } else {
538 PrintAndLog(" | | |%-64s | %s| %s",
539 line[j],
540 (j == num_lines-1) ? crc : " ",
541 (j == num_lines-1) ? explanation : "");
542 }
543 }
544
545 if (is_last_record(tracepos, trace, traceLen)) return traceLen;
546
547 if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
548 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
549 PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
550 (EndOfTransmissionTimestamp - first_timestamp),
551 (next_timestamp - first_timestamp),
552 " ",
553 (next_timestamp - EndOfTransmissionTimestamp));
554 }
555
556 return tracepos;
557 }
558
559
560 int CmdHFList(const char *Cmd)
561 {
562 bool showWaitCycles = false;
563 bool markCRCBytes = false;
564 char type[40] = {0};
565 int tlen = param_getstr(Cmd,0,type);
566 char param1 = param_getchar(Cmd, 1);
567 char param2 = param_getchar(Cmd, 2);
568 bool errors = false;
569 uint8_t protocol = 0;
570 //Validate params
571
572 if(tlen == 0) {
573 errors = true;
574 }
575
576 if(param1 == 'h'
577 || (param1 != 0 && param1 != 'f' && param1 != 'c')
578 || (param2 != 0 && param2 != 'f' && param2 != 'c')) {
579 errors = true;
580 }
581
582 if(!errors) {
583 if(strcmp(type, "iclass") == 0) {
584 protocol = ICLASS;
585 } else if(strcmp(type, "14a") == 0) {
586 protocol = ISO_14443A;
587 } else if(strcmp(type, "14b") == 0) {
588 protocol = ISO_14443B;
589 } else if(strcmp(type,"topaz")== 0) {
590 protocol = TOPAZ;
591 } else if(strcmp(type,"raw")== 0) {
592 protocol = -1;//No crc, no annotations
593 } else {
594 errors = true;
595 }
596 }
597
598 if (errors) {
599 PrintAndLog("List protocol data in trace buffer.");
600 PrintAndLog("Usage: hf list <protocol> [f][c]");
601 PrintAndLog(" f - show frame delay times as well");
602 PrintAndLog(" c - mark CRC bytes");
603 PrintAndLog("Supported <protocol> values:");
604 PrintAndLog(" raw - just show raw data without annotations");
605 PrintAndLog(" 14a - interpret data as iso14443a communications");
606 PrintAndLog(" 14b - interpret data as iso14443b communications");
607 PrintAndLog(" iclass - interpret data as iclass communications");
608 PrintAndLog(" topaz - interpret data as topaz communications");
609 PrintAndLog("");
610 PrintAndLog("example: hf list 14a f");
611 PrintAndLog("example: hf list iclass");
612 return 0;
613 }
614
615
616 if (param1 == 'f' || param2 == 'f') {
617 showWaitCycles = true;
618 }
619
620 if (param1 == 'c' || param2 == 'c') {
621 markCRCBytes = true;
622 }
623
624 uint8_t *trace;
625 uint16_t tracepos = 0;
626 trace = malloc(USB_CMD_DATA_SIZE);
627
628 // Query for the size of the trace
629 UsbCommand response;
630 GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
631 WaitForResponse(CMD_ACK, &response);
632 uint16_t traceLen = response.arg[2];
633 if (traceLen > USB_CMD_DATA_SIZE) {
634 uint8_t *p = realloc(trace, traceLen);
635 if (p == NULL) {
636 PrintAndLog("Cannot allocate memory for trace");
637 free(trace);
638 return 2;
639 }
640 trace = p;
641 GetFromBigBuf(trace, traceLen, 0);
642 WaitForResponse(CMD_ACK, NULL);
643 }
644
645 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
646 PrintAndLog("");
647 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
648 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
649 PrintAndLog("iClass - Timings are not as accurate");
650 PrintAndLog("");
651 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
652 PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
653
654 while(tracepos < traceLen)
655 {
656 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
657 }
658
659 free(trace);
660 return 0;
661 }
662
663 int CmdHFSearch(const char *Cmd){
664 int ans = 0;
665 PrintAndLog("");
666 ans = CmdHF14AReader("s");
667 if (ans > 0) {
668 PrintAndLog("\nValid ISO14443A Tag Found - Quiting Search\n");
669 return ans;
670 }
671 ans = HFiClassReader("", false, false);
672 if (ans) {
673 PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n");
674 return ans;
675 }
676 ans = HF14BInfo(false);
677 if (ans) {
678 PrintAndLog("\nValid ISO14443B Tag Found - Quiting Search\n");
679 return ans;
680 }
681 ans = HF15Reader("", false);
682 if (ans) {
683 PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n");
684 return ans;
685 }
686 PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
687 return 0;
688 }
689
690 int CmdHFSnoop(const char *Cmd)
691 {
692 char * pEnd;
693 UsbCommand c = {CMD_HF_SNIFFER, {strtol(Cmd, &pEnd,0),strtol(pEnd, &pEnd,0),0}};
694 SendCommand(&c);
695 return 0;
696 }
697
698 static command_t CommandTable[] =
699 {
700 {"help", CmdHelp, 1, "This help"},
701 {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
702 {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
703 {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
704 {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
705 {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
706 {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
707 {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
708 {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
709 {"topaz", CmdHFTopaz, 1, "{ TOPAZ (NFC Type 1) RFIDs... }"},
710 {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
711 {"list", CmdHFList, 1, "List protocol data in trace buffer"},
712 {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"},
713 {"snoop", CmdHFSnoop, 0, "<samples to skip (10000)> <triggers to skip (1)> Generic HF Snoop"},
714 {NULL, NULL, 0, NULL}
715 };
716
717 int CmdHF(const char *Cmd)
718 {
719 CmdsParse(CommandTable, Cmd);
720 return 0;
721 }
722
723 int CmdHelp(const char *Cmd)
724 {
725 CmdsHelp(CommandTable);
726 return 0;
727 }
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