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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
27 static int CmdHelp(const char *Cmd);
28
29 int CmdHFTune(const char *Cmd)
30 {
31 UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
32 SendCommand(&c);
33 return 0;
34 }
35
36 //The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
37 /*
38 ISO14443A (usually NFC tags)
39 26 (7bits) = REQA
40 30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
41 A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
42 52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
43 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
44 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
45 95 20 = Anticollision of cascade level2
46 95 70 = Select of cascade level2
47 50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
48 Mifare
49 60 = Authenticate with KeyA
50 61 = Authenticate with KeyB
51 40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
52 C0 = Decrement
53 C1 = Increment
54 C2 = Restore
55 B0 = Transfer
56 Ultralight C
57 A0 = Compatibility Write (to accomodate MIFARE commands)
58 1A = Step1 Authenticate
59 AF = Step2 Authenticate
60
61
62 ISO14443B
63 05 = REQB
64 1D = ATTRIB
65 50 = HALT
66 SRIX4K (tag does not respond to 05)
67 06 00 = INITIATE
68 0E xx = SELECT ID (xx = Chip-ID)
69 0B = Get UID
70 08 yy = Read Block (yy = block number)
71 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
72 0C = Reset to Inventory
73 0F = Completion
74 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
75
76
77 ISO15693
78 MANDATORY COMMANDS (all ISO15693 tags must support those)
79 01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
80 02 = Stay Quiet
81 OPTIONAL COMMANDS (not all tags support them)
82 20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
83 21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
84 22 = Lock Block
85 23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
86 25 = Select
87 26 = Reset to Ready
88 27 = Write AFI
89 28 = Lock AFI
90 29 = Write DSFID
91 2A = Lock DSFID
92 2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
93 2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)
94
95 EM Microelectronic CUSTOM COMMANDS
96 A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
97 A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
98 B8 = Get Protection Status for a specific block (followed by 1byte IC Manufacturer code+1byte block number+1byte of how many blocks after the previous is needed the info)
99 E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
100 NXP/Philips CUSTOM COMMANDS
101 A0 = Inventory Read
102 A1 = Fast Inventory Read
103 A2 = Set EAS
104 A3 = Reset EAS
105 A4 = Lock EAS
106 A5 = EAS Alarm
107 A6 = Password Protect EAS
108 A7 = Write EAS ID
109 A8 = Read EPC
110 B0 = Inventory Page Read
111 B1 = Fast Inventory Page Read
112 B2 = Get Random Number
113 B3 = Set Password
114 B4 = Write Password
115 B5 = Lock Password
116 B6 = Bit Password Protection
117 B7 = Lock Page Protection Condition
118 B8 = Get Multiple Block Protection Status
119 B9 = Destroy SLI
120 BA = Enable Privacy
121 BB = 64bit Password Protection
122 40 = Long Range CMD (Standard ISO/TR7003:1990)
123 */
124
125 #define ICLASS_CMD_ACTALL 0x0A
126 #define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
127 #define ICLASS_CMD_SELECT 0x81
128 #define ICLASS_CMD_PAGESEL 0x84
129 #define ICLASS_CMD_READCHECK_KD 0x88
130 #define ICLASS_CMD_READCHECK_KC 0x18
131 #define ICLASS_CMD_CHECK 0x05
132 #define ICLASS_CMD_DETECT 0x0F
133 #define ICLASS_CMD_HALT 0x00
134 #define ICLASS_CMD_UPDATE 0x87
135 #define ICLASS_CMD_ACT 0x8E
136 #define ICLASS_CMD_READ4 0x06
137
138
139 #define ISO14443A_CMD_REQA 0x26
140 #define ISO14443A_CMD_READBLOCK 0x30
141 #define ISO14443A_CMD_WUPA 0x52
142 #define ISO14443A_CMD_ANTICOLL_OR_SELECT 0x93
143 #define ISO14443A_CMD_ANTICOLL_OR_SELECT_2 0x95
144 #define ISO14443A_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
145 #define ISO14443A_CMD_HALT 0x50
146 #define ISO14443A_CMD_RATS 0xE0
147
148 #define MIFARE_AUTH_KEYA 0x60
149 #define MIFARE_AUTH_KEYB 0x61
150 #define MIFARE_MAGICMODE 0x40
151 #define MIFARE_CMD_INC 0xC0
152 #define MIFARE_CMD_DEC 0xC1
153 #define MIFARE_CMD_RESTORE 0xC2
154 #define MIFARE_CMD_TRANSFER 0xB0
155
156 #define MIFARE_ULC_WRITE 0xA0
157 #define MIFARE_ULC_AUTH_1 0x1A
158 #define MIFARE_ULC_AUTH_2 0xAF
159
160 #define ISO14443B_REQB 0x05
161 #define ISO14443B_ATTRIB 0x1D
162 #define ISO14443B_HALT 0x50
163
164 //First byte is 26
165 #define ISO15693_INVENTORY 0x01
166 #define ISO15693_STAYQUIET 0x02
167 //First byte is 02
168 #define ISO15693_READBLOCK 0x20
169 #define ISO15693_WRITEBLOCK 0x21
170 #define ISO15693_LOCKBLOCK 0x22
171 #define ISO15693_READ_MULTI_BLOCK 0x23
172 #define ISO15693_SELECT 0x25
173 #define ISO15693_RESET_TO_READY 0x26
174 #define ISO15693_WRITE_AFI 0x27
175 #define ISO15693_LOCK_AFI 0x28
176 #define ISO15693_WRITE_DSFID 0x29
177 #define ISO15693_LOCK_DSFID 0x2A
178 #define ISO15693_GET_SYSTEM_INFO 0x2B
179 #define ISO15693_READ_MULTI_SECSTATUS 0x2C
180
181
182 #define ISO_14443A 0
183 #define ICLASS 1
184 #define ISO_14443B 2
185
186
187 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
188 {
189 switch(cmd[0])
190 {
191 case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
192 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
193 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
194 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
195 if(cmd[1] == 0x70)
196 {
197 snprintf(exp,size,"SELECT_UID"); break;
198 }else
199 {
200 snprintf(exp,size,"ANTICOLL"); break;
201 }
202 }
203 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
204 //95 20 = Anticollision of cascade level2
205 //95 70 = Select of cascade level2
206 if(cmd[2] == 0x70)
207 {
208 snprintf(exp,size,"SELECT_UID-2"); break;
209 }else
210 {
211 snprintf(exp,size,"ANTICOLL-2"); break;
212 }
213 }
214 case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
215 case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
216 case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
217 case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
218 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
219 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
220 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
221 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
222 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
223 case MIFARE_AUTH_KEYA: snprintf(exp,size,"AUTH-A(%d)",cmd[1]); break;
224 case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
225 case MIFARE_MAGICMODE: snprintf(exp,size,"MAGIC"); break;
226 default: snprintf(exp,size,"?"); break;
227 }
228 return;
229 }
230
231 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
232 {
233 switch(cmd[0])
234 {
235 case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
236 case ICLASS_CMD_READ_OR_IDENTIFY:{
237 if(cmdsize > 1){
238 snprintf(exp,size,"READ(%d)",cmd[1]);
239 }else{
240 snprintf(exp,size,"IDENTIFY");
241 }
242 break;
243 }
244 case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
245 case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
246 case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
247 case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
248 case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
249 case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
250 case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
251 case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
252 case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
253 case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
254 default: snprintf(exp,size,"?"); break;
255 }
256 return;
257 }
258
259 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
260 {
261
262 if(cmd[0] == 0x26)
263 {
264 switch(cmd[1]){
265 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
266 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
267 default: snprintf(exp,size,"?"); break;
268
269 }
270 }else if(cmd[0] == 0x02)
271 {
272 switch(cmd[1])
273 {
274 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
275 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
276 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
277 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
278 case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
279 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
280 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
281 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
282 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
283 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
284 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
285 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
286 default: snprintf(exp,size,"?"); break;
287 }
288 }
289 }
290 void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
291 {
292 switch(cmd[0]){
293 case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
294 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
295 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
296 default: snprintf(exp,size ,"?");break;
297 }
298
299 }
300
301 /**
302 * @brief iso14443B_CRC_Ok Checks CRC in command or response
303 * @param isResponse
304 * @param data
305 * @param len
306 * @return 0 : CRC-command, CRC not ok
307 * 1 : CRC-command, CRC ok
308 * 2 : Not crc-command
309 */
310
311 uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
312 {
313 uint8_t b1,b2;
314
315 if(len <= 2) return 2;
316
317 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
318 if(b1 != data[len-2] || b2 != data[len-1]) {
319 return 0;
320 }
321 return 1;
322 }
323
324 /**
325 * @brief iclass_CRC_Ok Checks CRC in command or response
326 * @param isResponse
327 * @param data
328 * @param len
329 * @return 0 : CRC-command, CRC not ok
330 * 1 : CRC-command, CRC ok
331 * 2 : Not crc-command
332 */
333 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
334 {
335 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
336
337 uint8_t b1, b2;
338
339 if(!isResponse)//Commands to tag
340 {
341 /**
342 These commands should have CRC. Total length leftmost
343 4 READ
344 4 READ4
345 12 UPDATE - unsecured, ends with CRC16
346 14 UPDATE - secured, ends with signature instead
347 4 PAGESEL
348 **/
349 if(len == 4 || len == 12)//Covers three of them
350 {
351 //Don't include the command byte
352 ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
353 return b1 == data[len -2] && b2 == data[len-1];
354 }
355 return 2;
356 }else{
357 /**
358 These tag responses should have CRC. Total length leftmost
359
360 10 READ data[8] crc[2]
361 34 READ4 data[32]crc[2]
362 10 UPDATE data[8] crc[2]
363 10 SELECT csn[8] crc[2]
364 10 IDENTIFY asnb[8] crc[2]
365 10 PAGESEL block1[8] crc[2]
366 10 DETECT csn[8] crc[2]
367
368 These should not
369
370 4 CHECK chip_response[4]
371 8 READCHECK data[8]
372 1 ACTALL sof[1]
373 1 ACT sof[1]
374
375 In conclusion, without looking at the command; any response
376 of length 10 or 34 should have CRC
377 **/
378 if(len != 10 && len != 34) return true;
379
380 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
381 return b1 == data[len -2] && b2 == data[len-1];
382 }
383 }
384
385 uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles)
386 {
387 bool isResponse;
388 uint16_t duration, data_len, parity_len;
389
390 uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
391 char explanation[30] = {0};
392
393 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
394
395 first_timestamp = *((uint32_t *)(trace));
396 timestamp = *((uint32_t *)(trace + tracepos));
397
398 tracepos += 4;
399 duration = *((uint16_t *)(trace + tracepos));
400 tracepos += 2;
401 data_len = *((uint16_t *)(trace + tracepos));
402 tracepos += 2;
403
404 if (data_len & 0x8000) {
405 data_len &= 0x7fff;
406 isResponse = true;
407 } else {
408 isResponse = false;
409 }
410 parity_len = (data_len-1)/8 + 1;
411
412 if (tracepos + data_len + parity_len > traceLen) {
413 return traceLen;
414 }
415
416 uint8_t *frame = trace + tracepos;
417 tracepos += data_len;
418 uint8_t *parityBytes = trace + tracepos;
419 tracepos += parity_len;
420
421 //--- Draw the data column
422 char line[16][110];
423 for (int j = 0; j < data_len; j++) {
424 int oddparity = 0x01;
425 int k;
426
427 for (k=0 ; k<8 ; k++) {
428 oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
429 }
430
431 uint8_t parityBits = parityBytes[j>>3];
432
433 if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
434 sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
435 } else {
436 sprintf(line[j/16]+((j%16)*4), "%02x ", frame[j]);
437 }
438 }
439 //--- Draw the CRC column
440 uint8_t crcStatus = 2;
441
442 if (data_len > 2) {
443 uint8_t b1, b2;
444 if(protocol == ICLASS)
445 {
446 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
447
448 }else if (protocol == ISO_14443B)
449 {
450 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
451 }
452 else if (protocol == ISO_14443A){//Iso 14443a
453
454 ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
455
456 if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
457 if(!(isResponse & (data_len < 6)))
458 {
459 crcStatus = 0;
460 }
461 }
462 }
463 }
464 //0 CRC-command, CRC not ok
465 //1 CRC-command, CRC ok
466 //2 Not crc-command
467 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
468
469 EndOfTransmissionTimestamp = timestamp + duration;
470
471 if(!isResponse)
472 {
473 if(protocol == ICLASS)
474 annotateIclass(explanation,sizeof(explanation),frame,data_len);
475 else if (protocol == ISO_14443A)
476 annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
477 else if(protocol == ISO_14443B)
478 annotateIso14443b(explanation,sizeof(explanation),frame,data_len);
479 }
480
481 int num_lines = (data_len - 1)/16 + 1;
482 for (int j = 0; j < num_lines; j++) {
483 if (j == 0) {
484 PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
485 (timestamp - first_timestamp),
486 (EndOfTransmissionTimestamp - first_timestamp),
487 (isResponse ? "Tag" : "Rdr"),
488 line[j],
489 (j == num_lines-1) ? crc : " ",
490 (j == num_lines-1) ? explanation : "");
491 } else {
492 PrintAndLog(" | | | %-64s| %s| %s",
493 line[j],
494 (j == num_lines-1)?crc:" ",
495 (j == num_lines-1) ? explanation : "");
496 }
497 }
498
499 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
500
501 bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
502
503 if (showWaitCycles && !isResponse && next_isResponse) {
504 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
505 if (next_timestamp != 0x44444444) {
506 PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
507 (EndOfTransmissionTimestamp - first_timestamp),
508 (next_timestamp - first_timestamp),
509 " ",
510 (next_timestamp - EndOfTransmissionTimestamp));
511 }
512 }
513
514 return tracepos;
515 }
516
517
518 int CmdHFList(const char *Cmd)
519 {
520 bool showWaitCycles = false;
521 char type[40] = {0};
522 int tlen = param_getstr(Cmd,0,type);
523 char param = param_getchar(Cmd, 1);
524 bool errors = false;
525 uint8_t protocol = 0;
526 //Validate params
527 if(tlen == 0)
528 {
529 errors = true;
530 }
531 if(param == 'h' || (param !=0 && param != 'f'))
532 {
533 errors = true;
534 }
535 if(!errors)
536 {
537 if(strcmp(type, "iclass") == 0)
538 {
539 protocol = ICLASS;
540 }else if(strcmp(type, "14a") == 0)
541 {
542 protocol = ISO_14443A;
543 }
544 else if(strcmp(type, "14b") == 0)
545 {
546 protocol = ISO_14443B;
547 }else if(strcmp(type,"raw")== 0)
548 {
549 protocol = -1;//No crc, no annotations
550 }else{
551 errors = true;
552 }
553 }
554
555 if (errors) {
556 PrintAndLog("List protocol data in trace buffer.");
557 PrintAndLog("Usage: hf list [14a|14b|iclass] [f]");
558 PrintAndLog(" 14a - interpret data as iso14443a communications");
559 PrintAndLog(" 14b - interpret data as iso14443b communications");
560 PrintAndLog(" iclass - interpret data as iclass communications");
561 PrintAndLog(" raw - just show raw data");
562 PrintAndLog(" f - show frame delay times as well");
563 PrintAndLog("");
564 PrintAndLog("example: hf list 14a f");
565 PrintAndLog("example: hf list iclass");
566 return 0;
567 }
568
569
570 if (param == 'f') {
571 showWaitCycles = true;
572 }
573
574
575 uint8_t *trace;
576 uint16_t tracepos = 0;
577 trace = malloc(USB_CMD_DATA_SIZE);
578
579 // Query for the size of the trace
580 UsbCommand response;
581 GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
582 WaitForResponse(CMD_ACK, &response);
583 uint16_t traceLen = response.arg[2];
584 if (traceLen > USB_CMD_DATA_SIZE) {
585 uint8_t *p = realloc(trace, traceLen);
586 if (p == NULL) {
587 PrintAndLog("Cannot allocate memory for trace");
588 free(trace);
589 return 2;
590 }
591 trace = p;
592 GetFromBigBuf(trace, traceLen, 0);
593 WaitForResponse(CMD_ACK, NULL);
594 }
595
596 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
597 PrintAndLog("");
598 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
599 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
600 PrintAndLog("iClass - Timings are not as accurate");
601 PrintAndLog("");
602 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
603 PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
604
605 while(tracepos < traceLen)
606 {
607 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles);
608 }
609
610 free(trace);
611 return 0;
612 }
613
614
615 static command_t CommandTable[] =
616 {
617 {"help", CmdHelp, 1, "This help"},
618 {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
619 {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
620 {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
621 {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
622 {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
623 {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
624 {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
625 {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
626 {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
627 {"list", CmdHFList, 1, "List protocol data in trace buffer"},
628 {NULL, NULL, 0, NULL}
629 };
630
631 int CmdHF(const char *Cmd)
632 {
633 CmdsParse(CommandTable, Cmd);
634 return 0;
635 }
636
637 int CmdHelp(const char *Cmd)
638 {
639 CmdsHelp(CommandTable);
640 return 0;
641 }
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