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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 /**
161 06 00 = INITIATE
162 0E xx = SELECT ID (xx = Chip-ID)
163 0B = Get UID
164 08 yy = Read Block (yy = block number)
165 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
166 0C = Reset to Inventory
167 0F = Completion
168 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
169 **/
170
171 #define ISO14443B_REQB 0x05
172 #define ISO14443B_ATTRIB 0x1D
173 #define ISO14443B_HALT 0x50
174 #define ISO14443B_INITIATE 0x06
175 #define ISO14443B_SELECT 0x0E
176 #define ISO14443B_GET_UID 0x0B
177 #define ISO14443B_READ_BLK 0x08
178 #define ISO14443B_WRITE_BLK 0x09
179 #define ISO14443B_RESET 0x0C
180 #define ISO14443B_COMPLETION 0x0F
181 #define ISO14443B_AUTHENTICATE 0x0A
182
183 //First byte is 26
184 #define ISO15693_INVENTORY 0x01
185 #define ISO15693_STAYQUIET 0x02
186 //First byte is 02
187 #define ISO15693_READBLOCK 0x20
188 #define ISO15693_WRITEBLOCK 0x21
189 #define ISO15693_LOCKBLOCK 0x22
190 #define ISO15693_READ_MULTI_BLOCK 0x23
191 #define ISO15693_SELECT 0x25
192 #define ISO15693_RESET_TO_READY 0x26
193 #define ISO15693_WRITE_AFI 0x27
194 #define ISO15693_LOCK_AFI 0x28
195 #define ISO15693_WRITE_DSFID 0x29
196 #define ISO15693_LOCK_DSFID 0x2A
197 #define ISO15693_GET_SYSTEM_INFO 0x2B
198 #define ISO15693_READ_MULTI_SECSTATUS 0x2C
199
200
201 #define ISO_14443A 0
202 #define ICLASS 1
203 #define ISO_14443B 2
204
205
206 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
207 {
208 switch(cmd[0])
209 {
210 case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
211 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
212 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
213 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
214 if(cmd[1] == 0x70)
215 {
216 snprintf(exp,size,"SELECT_UID"); break;
217 }else
218 {
219 snprintf(exp,size,"ANTICOLL"); break;
220 }
221 }
222 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
223 //95 20 = Anticollision of cascade level2
224 //95 70 = Select of cascade level2
225 if(cmd[2] == 0x70)
226 {
227 snprintf(exp,size,"SELECT_UID-2"); break;
228 }else
229 {
230 snprintf(exp,size,"ANTICOLL-2"); break;
231 }
232 }
233 case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
234 case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
235 case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
236 case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
237 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
238 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
239 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
240 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
241 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
242 case MIFARE_AUTH_KEYA: snprintf(exp,size,"AUTH-A(%d)",cmd[1]); break;
243 case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
244 case MIFARE_MAGICMODE: snprintf(exp,size,"MAGIC"); break;
245 default: snprintf(exp,size,"?"); break;
246 }
247 return;
248 }
249
250 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
251 {
252 switch(cmd[0])
253 {
254 case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
255 case ICLASS_CMD_READ_OR_IDENTIFY:{
256 if(cmdsize > 1){
257 snprintf(exp,size,"READ(%d)",cmd[1]);
258 }else{
259 snprintf(exp,size,"IDENTIFY");
260 }
261 break;
262 }
263 case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
264 case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
265 case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
266 case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
267 case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
268 case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
269 case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
270 case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
271 case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
272 case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
273 default: snprintf(exp,size,"?"); break;
274 }
275 return;
276 }
277
278 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
279 {
280
281 if(cmd[0] == 0x26)
282 {
283 switch(cmd[1]){
284 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
285 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
286 default: snprintf(exp,size,"?"); break;
287
288 }
289 }else if(cmd[0] == 0x02)
290 {
291 switch(cmd[1])
292 {
293 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
294 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
295 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
296 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
297 case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
298 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
299 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
300 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
301 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
302 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
303 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
304 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
305 default: snprintf(exp,size,"?"); break;
306 }
307 }
308 }
309
310 /**
311 06 00 = INITIATE
312 0E xx = SELECT ID (xx = Chip-ID)
313 0B = Get UID
314 08 yy = Read Block (yy = block number)
315 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
316 0C = Reset to Inventory
317 0F = Completion
318 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
319 **/
320
321 void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
322 {
323 switch(cmd[0]){
324 case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
325 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
326 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
327 case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
328 case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
329 case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
330 case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
331 case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
332 case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
333 case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
334 case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
335 default : snprintf(exp,size ,"?");break;
336 }
337
338 }
339
340 /**
341 * @brief iso14443B_CRC_Ok Checks CRC in command or response
342 * @param isResponse
343 * @param data
344 * @param len
345 * @return 0 : CRC-command, CRC not ok
346 * 1 : CRC-command, CRC ok
347 * 2 : Not crc-command
348 */
349
350 uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
351 {
352 uint8_t b1,b2;
353
354 if(len <= 2) return 2;
355
356 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
357 if(b1 != data[len-2] || b2 != data[len-1]) {
358 return 0;
359 }
360 return 1;
361 }
362
363 /**
364 * @brief iclass_CRC_Ok Checks CRC in command or response
365 * @param isResponse
366 * @param data
367 * @param len
368 * @return 0 : CRC-command, CRC not ok
369 * 1 : CRC-command, CRC ok
370 * 2 : Not crc-command
371 */
372 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
373 {
374 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
375
376 uint8_t b1, b2;
377
378 if(!isResponse)//Commands to tag
379 {
380 /**
381 These commands should have CRC. Total length leftmost
382 4 READ
383 4 READ4
384 12 UPDATE - unsecured, ends with CRC16
385 14 UPDATE - secured, ends with signature instead
386 4 PAGESEL
387 **/
388 if(len == 4 || len == 12)//Covers three of them
389 {
390 //Don't include the command byte
391 ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
392 return b1 == data[len -2] && b2 == data[len-1];
393 }
394 return 2;
395 }else{
396 /**
397 These tag responses should have CRC. Total length leftmost
398
399 10 READ data[8] crc[2]
400 34 READ4 data[32]crc[2]
401 10 UPDATE data[8] crc[2]
402 10 SELECT csn[8] crc[2]
403 10 IDENTIFY asnb[8] crc[2]
404 10 PAGESEL block1[8] crc[2]
405 10 DETECT csn[8] crc[2]
406
407 These should not
408
409 4 CHECK chip_response[4]
410 8 READCHECK data[8]
411 1 ACTALL sof[1]
412 1 ACT sof[1]
413
414 In conclusion, without looking at the command; any response
415 of length 10 or 34 should have CRC
416 **/
417 if(len != 10 && len != 34) return true;
418
419 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
420 return b1 == data[len -2] && b2 == data[len-1];
421 }
422 }
423
424 uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles)
425 {
426 bool isResponse;
427 uint16_t duration, data_len, parity_len;
428
429 uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
430 char explanation[30] = {0};
431
432 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
433
434 first_timestamp = *((uint32_t *)(trace));
435 timestamp = *((uint32_t *)(trace + tracepos));
436
437 tracepos += 4;
438 duration = *((uint16_t *)(trace + tracepos));
439 tracepos += 2;
440 data_len = *((uint16_t *)(trace + tracepos));
441 tracepos += 2;
442
443 if (data_len & 0x8000) {
444 data_len &= 0x7fff;
445 isResponse = true;
446 } else {
447 isResponse = false;
448 }
449 parity_len = (data_len-1)/8 + 1;
450
451 if (tracepos + data_len + parity_len > traceLen) {
452 return traceLen;
453 }
454 uint8_t *frame = trace + tracepos;
455 tracepos += data_len;
456 uint8_t *parityBytes = trace + tracepos;
457 tracepos += parity_len;
458
459
460 //--- Draw the data column
461 //char line[16][110];
462 char line[16][110];
463
464 for (int j = 0; j < data_len && j/16 < 16; j++) {
465
466 int oddparity = 0x01;
467 int k;
468
469 for (k=0 ; k<8 ; k++) {
470 oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
471 }
472
473 uint8_t parityBits = parityBytes[j>>3];
474 if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
475 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
476
477 } else {
478 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
479 }
480 }
481 if(data_len == 0)
482 {
483 if(data_len == 0){
484 sprintf(line[0],"<empty trace - possible error>");
485 }
486 }
487 //--- Draw the CRC column
488 uint8_t crcStatus = 2;
489
490 if (data_len > 2) {
491 uint8_t b1, b2;
492 if(protocol == ICLASS)
493 {
494 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
495
496 }else if (protocol == ISO_14443B)
497 {
498 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
499 }
500 else if (protocol == ISO_14443A){//Iso 14443a
501
502 ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
503
504 if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
505 if(!(isResponse & (data_len < 6)))
506 {
507 crcStatus = 0;
508 }
509 }
510 }
511 }
512 //0 CRC-command, CRC not ok
513 //1 CRC-command, CRC ok
514 //2 Not crc-command
515 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
516
517 EndOfTransmissionTimestamp = timestamp + duration;
518
519 if(!isResponse)
520 {
521 if(protocol == ICLASS)
522 annotateIclass(explanation,sizeof(explanation),frame,data_len);
523 else if (protocol == ISO_14443A)
524 annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
525 else if(protocol == ISO_14443B)
526 annotateIso14443b(explanation,sizeof(explanation),frame,data_len);
527 }
528
529 int num_lines = MIN((data_len - 1)/16 + 1, 16);
530 for (int j = 0; j < num_lines ; j++) {
531 if (j == 0) {
532 PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
533 (timestamp - first_timestamp),
534 (EndOfTransmissionTimestamp - first_timestamp),
535 (isResponse ? "Tag" : "Rdr"),
536 line[j],
537 (j == num_lines-1) ? crc : " ",
538 (j == num_lines-1) ? explanation : "");
539 } else {
540 PrintAndLog(" | | | %-64s| %s| %s",
541 line[j],
542 (j == num_lines-1)?crc:" ",
543 (j == num_lines-1) ? explanation : "");
544 }
545 }
546
547 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
548
549 bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
550
551 if (showWaitCycles && !isResponse && next_isResponse) {
552 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
553 if (next_timestamp != 0x44444444) {
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
562 return tracepos;
563 }
564
565
566 int CmdHFList(const char *Cmd)
567 {
568 bool showWaitCycles = false;
569 char type[40] = {0};
570 int tlen = param_getstr(Cmd,0,type);
571 char param = param_getchar(Cmd, 1);
572 bool errors = false;
573 uint8_t protocol = 0;
574 //Validate params
575 if(tlen == 0)
576 {
577 errors = true;
578 }
579 if(param == 'h' || (param !=0 && param != 'f'))
580 {
581 errors = true;
582 }
583 if(!errors)
584 {
585 if(strcmp(type, "iclass") == 0)
586 {
587 protocol = ICLASS;
588 }else if(strcmp(type, "14a") == 0)
589 {
590 protocol = ISO_14443A;
591 }
592 else if(strcmp(type, "14b") == 0)
593 {
594 protocol = ISO_14443B;
595 }else if(strcmp(type,"raw")== 0)
596 {
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]");
606 PrintAndLog(" f - show frame delay times as well");
607 PrintAndLog("Supported <protocol> values:");
608 PrintAndLog(" raw - just show raw data without annotations");
609 PrintAndLog(" 14a - interpret data as iso14443a communications");
610 PrintAndLog(" 14b - interpret data as iso14443b communications");
611 PrintAndLog(" iclass - interpret data as iclass communications");
612 PrintAndLog("");
613 PrintAndLog("example: hf list 14a f");
614 PrintAndLog("example: hf list iclass");
615 return 0;
616 }
617
618
619 if (param == 'f') {
620 showWaitCycles = true;
621 }
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);
657 }
658
659 free(trace);
660 return 0;
661 }
662
663
664 static command_t CommandTable[] =
665 {
666 {"help", CmdHelp, 1, "This help"},
667 {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
668 {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
669 {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
670 {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
671 {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
672 {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
673 {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
674 {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
675 {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
676 {"list", CmdHFList, 1, "List protocol data in trace buffer"},
677 {NULL, NULL, 0, NULL}
678 };
679
680 int CmdHF(const char *Cmd)
681 {
682 CmdsParse(CommandTable, Cmd);
683 return 0;
684 }
685
686 int CmdHelp(const char *Cmd)
687 {
688 CmdsHelp(CommandTable);
689 return 0;
690 }
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