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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 #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:{
77 if ( cmdsize > 3)
78 snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
79 else
80 // case MIFARE_ULEV1_VERSION : both 0x60.
81 snprintf(exp,size,"EV1 VERSION");
82 break;
83 }
84 case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
85 case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
86 case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
87 case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
88 case MIFARE_ULC_AUTH_1 : snprintf(exp,size,"AUTH "); break;
89 case MIFARE_ULC_AUTH_2 : snprintf(exp,size,"AUTH_ANSW"); break;
90 case MIFARE_ULEV1_AUTH :
91 if ( cmdsize == 7 )
92 snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
93 else
94 snprintf(exp,size,"PWD-AUTH");
95 break;
96 case MIFARE_ULEV1_FASTREAD : {
97 if ( cmdsize >=3 && cmd[2] <= 0xE6)
98 snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
99 else
100 snprintf(exp,size,"?");
101 break;
102 }
103 case MIFARE_ULC_WRITE : {
104 if ( cmd[1] < 0x21 )
105 snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
106 else
107 snprintf(exp,size,"?");
108 break;
109 }
110 case MIFARE_ULEV1_READ_CNT :{
111 if ( cmd[1] < 5 )
112 snprintf(exp,size,"READ CNT(%d)",cmd[1]);
113 else
114 snprintf(exp,size,"?");
115 break;
116 }
117 case MIFARE_ULEV1_INCR_CNT : {
118 if ( cmd[1] < 5 )
119 snprintf(exp,size,"INCR(%d)",cmd[1]);
120 else
121 snprintf(exp,size,"?");
122 break;
123 }
124 case MIFARE_ULEV1_READSIG : snprintf(exp,size,"READ_SIG"); break;
125 case MIFARE_ULEV1_CHECKTEAR : snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
126 case MIFARE_ULEV1_VCSL : snprintf(exp,size,"VCSL"); break;
127 default: snprintf(exp,size,"?"); break;
128 }
129 return;
130 }
131
132 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
133 {
134 switch(cmd[0])
135 {
136 case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
137 case ICLASS_CMD_READ_OR_IDENTIFY:{
138 if(cmdsize > 1){
139 snprintf(exp,size,"READ(%d)",cmd[1]);
140 }else{
141 snprintf(exp,size,"IDENTIFY");
142 }
143 break;
144 }
145 case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
146 case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
147 case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
148 case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
149 case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
150 case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
151 case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
152 case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
153 case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
154 case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
155 default: snprintf(exp,size,"?"); break;
156 }
157 return;
158 }
159
160 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
161 {
162
163 if(cmd[0] == 0x26)
164 {
165 switch(cmd[1]){
166 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
167 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
168 default: snprintf(exp,size,"?"); break;
169
170 }
171 }else if(cmd[0] == 0x02)
172 {
173 switch(cmd[1])
174 {
175 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
176 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
177 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
178 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
179 case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
180 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
181 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
182 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
183 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
184 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
185 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
186 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
187 default: snprintf(exp,size,"?"); break;
188 }
189 }
190 }
191
192 void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
193 {
194 switch(cmd[0]) {
195 case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
196 case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
197 case TOPAZ_RID :snprintf(exp, size, "RID");break;
198 case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
199 case TOPAZ_READ :snprintf(exp, size, "READ");break;
200 case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
201 case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
202 case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
203 case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
204 case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
205 case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
206 default :snprintf(exp,size,"?"); break;
207 }
208 }
209
210 // iso 7816-3
211 void annotateIso7816(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
212 // S-block
213 if ( (cmd[0] & 0xC0) && (cmdsize == 3) ) {
214 switch ( (cmd[0] & 0x3f) ) {
215 case 0x00 : snprintf(exp, size, "S-block RESYNCH req"); break;
216 case 0x20 : snprintf(exp, size, "S-block RESYNCH resp"); break;
217 case 0x01 : snprintf(exp, size, "S-block IFS req"); break;
218 case 0x21 : snprintf(exp, size, "S-block IFS resp"); break;
219 case 0x02 : snprintf(exp, size, "S-block ABORT req"); break;
220 case 0x22 : snprintf(exp, size, "S-block ABORT resp"); break;
221 case 0x03 : snprintf(exp, size, "S-block WTX reqt"); break;
222 case 0x23 : snprintf(exp, size, "S-block WTX resp"); break;
223 default : snprintf(exp, size, "S-block"); break;
224 }
225 }
226 // R-block (ack)
227 else if ( ((cmd[0] & 0xD0) == 0x80) && ( cmdsize > 2) ) {
228 snprintf(exp, size, "R-block");
229 }
230 // I-block
231 else {
232
233 int pos = (cmd[0] == 2 || cmd[0] == 3) ? 2 : 3;
234 switch ( cmd[pos] ){
235 case ISO7816_READ_BINARY :snprintf(exp, size, "READ BIN");break;
236 case ISO7816_WRITE_BINARY :snprintf(exp, size, "WRITE BIN");break;
237 case ISO7816_UPDATE_BINARY :snprintf(exp, size, "UPDATE BIN");break;
238 case ISO7816_ERASE_BINARY :snprintf(exp, size, "ERASE BIN");break;
239 case ISO7816_READ_RECORDS :snprintf(exp, size, "READ RECORDS");break;
240 case ISO7816_WRITE_RECORDS :snprintf(exp, size, "WRITE RECORDS");break;
241 case ISO7816_APPEND_RECORD :snprintf(exp, size, "APPEND RECORD");break;
242 case ISO7816_UPDATE_RECORD :snprintf(exp, size, "UPDATE RECORD");break;
243 case ISO7816_GET_DATA :snprintf(exp, size, "GET DATA");break;
244 case ISO7816_PUT_DATA :snprintf(exp, size, "PUT DATA");break;
245 case ISO7816_SELECT_FILE :snprintf(exp, size, "SELECT FILE");break;
246 case ISO7816_VERIFY :snprintf(exp, size, "VERIFY");break;
247 case ISO7816_INTERNAL_AUTHENTICATION :snprintf(exp, size, "INTERNAL AUTH");break;
248 case ISO7816_EXTERNAL_AUTHENTICATION :snprintf(exp, size, "EXTERNAL AUTH");break;
249 case ISO7816_GET_CHALLENGE :snprintf(exp, size, "GET CHALLENGE");break;
250 case ISO7816_MANAGE_CHANNEL :snprintf(exp, size, "MANAGE CHANNEL");break;
251 default :snprintf(exp,size,"?"); break;
252 }
253 }
254 }
255
256 /**
257 06 00 = INITIATE
258 0E xx = SELECT ID (xx = Chip-ID)
259 0B = Get UID
260 08 yy = Read Block (yy = block number)
261 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
262 0C = Reset to Inventory
263 0F = Completion
264 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
265 **/
266
267 void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
268 {
269 switch(cmd[0]){
270 case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
271 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
272 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
273 case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
274 case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
275 case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
276 case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
277 case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
278 case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
279 case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
280 case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
281 case ISO14443B_PING : snprintf(exp,size,"PING");break;
282 case ISO14443B_PONG : snprintf(exp,size,"PONG");break;
283 default : snprintf(exp,size ,"?");break;
284 }
285 }
286
287 /**
288 * @brief iso14443A_CRC_check Checks CRC in command or response
289 * @param isResponse
290 * @param data
291 * @param len
292 * @return 0 : CRC-command, CRC not ok
293 * 1 : CRC-command, CRC ok
294 * 2 : Not crc-command
295 */
296
297 uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
298 {
299 uint8_t b1,b2;
300
301 if(len <= 2) return 2;
302
303 if(isResponse & (len < 6)) return 2;
304
305 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
306 if (b1 != data[len-2] || b2 != data[len-1]) {
307 return 0;
308 } else {
309 return 1;
310 }
311 }
312
313
314 /**
315 * @brief iso14443B_CRC_check Checks CRC in command or response
316 * @param isResponse
317 * @param data
318 * @param len
319 * @return 0 : CRC-command, CRC not ok
320 * 1 : CRC-command, CRC ok
321 * 2 : Not crc-command
322 */
323
324 uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
325 {
326 uint8_t b1,b2;
327
328 if(len <= 2) return 2;
329
330 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
331 if(b1 != data[len-2] || b2 != data[len-1]) {
332 return 0;
333 }
334 return 1;
335 }
336
337 /**
338 * @brief iclass_CRC_Ok Checks CRC in command or response
339 * @param isResponse
340 * @param data
341 * @param len
342 * @return 0 : CRC-command, CRC not ok
343 * 1 : CRC-command, CRC ok
344 * 2 : Not crc-command
345 */
346 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
347 {
348 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
349
350 uint8_t b1, b2;
351
352 if(!isResponse)//Commands to tag
353 {
354 /**
355 These commands should have CRC. Total length leftmost
356 4 READ
357 4 READ4
358 12 UPDATE - unsecured, ends with CRC16
359 14 UPDATE - secured, ends with signature instead
360 4 PAGESEL
361 **/
362 if(len == 4 || len == 12)//Covers three of them
363 {
364 //Don't include the command byte
365 ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
366 return b1 == data[len -2] && b2 == data[len-1];
367 }
368 return 2;
369 }else{
370 /**
371 These tag responses should have CRC. Total length leftmost
372
373 10 READ data[8] crc[2]
374 34 READ4 data[32]crc[2]
375 10 UPDATE data[8] crc[2]
376 10 SELECT csn[8] crc[2]
377 10 IDENTIFY asnb[8] crc[2]
378 10 PAGESEL block1[8] crc[2]
379 10 DETECT csn[8] crc[2]
380
381 These should not
382
383 4 CHECK chip_response[4]
384 8 READCHECK data[8]
385 1 ACTALL sof[1]
386 1 ACT sof[1]
387
388 In conclusion, without looking at the command; any response
389 of length 10 or 34 should have CRC
390 **/
391 if(len != 10 && len != 34) return true;
392
393 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
394 return b1 == data[len -2] && b2 == data[len-1];
395 }
396 }
397
398
399 bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
400 {
401 return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
402 }
403
404
405 bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
406 {
407 uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
408
409 return(next_records_datalen & 0x8000);
410 }
411
412
413 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)
414 {
415
416 #define MAX_TOPAZ_READER_CMD_LEN 16
417
418 uint32_t last_timestamp = timestamp + *duration;
419
420 if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
421
422 memcpy(topaz_reader_command, frame, *data_len);
423
424 while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
425 uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
426 *tracepos += sizeof(uint32_t);
427 uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
428 *tracepos += sizeof(uint16_t);
429 uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
430 *tracepos += sizeof(uint16_t);
431 uint8_t *next_frame = (trace + *tracepos);
432 *tracepos += next_data_len;
433 if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
434 memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
435 *data_len += next_data_len;
436 last_timestamp = next_timestamp + next_duration;
437 } else {
438 // rewind and exit
439 *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
440 break;
441 }
442 uint16_t next_parity_len = (next_data_len-1)/8 + 1;
443 *tracepos += next_parity_len;
444 }
445
446 *duration = last_timestamp - timestamp;
447
448 return true;
449 }
450
451
452 uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
453 {
454 bool isResponse;
455 uint16_t data_len, parity_len;
456 uint32_t duration;
457 uint8_t topaz_reader_command[9];
458 uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
459 char explanation[30] = {0};
460
461 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
462
463 first_timestamp = *((uint32_t *)(trace));
464 timestamp = *((uint32_t *)(trace + tracepos));
465
466 tracepos += 4;
467 duration = *((uint16_t *)(trace + tracepos));
468 tracepos += 2;
469 data_len = *((uint16_t *)(trace + tracepos));
470 tracepos += 2;
471
472 if (data_len & 0x8000) {
473 data_len &= 0x7fff;
474 isResponse = true;
475 } else {
476 isResponse = false;
477 }
478 parity_len = (data_len-1)/8 + 1;
479
480 if (tracepos + data_len + parity_len > traceLen) {
481 return traceLen;
482 }
483 uint8_t *frame = trace + tracepos;
484 tracepos += data_len;
485 uint8_t *parityBytes = trace + tracepos;
486 tracepos += parity_len;
487
488 if (protocol == TOPAZ && !isResponse) {
489 // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
490 // merge them:
491 if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
492 frame = topaz_reader_command;
493 }
494 }
495
496 //Check the CRC status
497 uint8_t crcStatus = 2;
498
499 if (data_len > 2) {
500 switch (protocol) {
501 case ICLASS:
502 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
503 break;
504 case ISO_14443B:
505 case TOPAZ:
506 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
507 break;
508 case ISO_14443A:
509 crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
510 break;
511 default:
512 break;
513 }
514 }
515 //0 CRC-command, CRC not ok
516 //1 CRC-command, CRC ok
517 //2 Not crc-command
518
519 //--- Draw the data column
520 char line[16][110];
521
522 for (int j = 0; j < data_len && j/16 < 16; j++) {
523
524 int oddparity = 0x01;
525 int k;
526
527 for (k=0 ; k<8 ; k++) {
528 oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
529 }
530 uint8_t parityBits = parityBytes[j>>3];
531 if (protocol != ISO_14443B && isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
532 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
533
534 } else {
535 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x ", frame[j]);
536 }
537
538 }
539
540 if (markCRCBytes) {
541 //CRC-command
542 if(crcStatus == 0 || crcStatus == 1) {
543 char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
544 (*pos1) = '[';
545 char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
546 sprintf(pos2, "%c", ']');
547 }
548 }
549
550 if(data_len == 0){
551 sprintf(line[0],"<empty trace - possible error>");
552 }
553 //--- Draw the CRC column
554 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
555
556 EndOfTransmissionTimestamp = timestamp + duration;
557
558 if(!isResponse)
559 {
560 switch(protocol) {
561 case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
562 case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
563 case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
564 case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
565 case ISO_7816_4: annotateIso7816(explanation,sizeof(explanation),frame,data_len); break;
566 default: break;
567 }
568 }
569
570 int num_lines = MIN((data_len - 1)/16 + 1, 16);
571 for (int j = 0; j < num_lines ; j++) {
572 if (j == 0) {
573 PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
574 (timestamp - first_timestamp),
575 (EndOfTransmissionTimestamp - first_timestamp),
576 (isResponse ? "Tag" : "Rdr"),
577 line[j],
578 (j == num_lines-1) ? crc : " ",
579 (j == num_lines-1) ? explanation : "");
580 } else {
581 PrintAndLog(" | | |%-64s | %s| %s",
582 line[j],
583 (j == num_lines-1) ? crc : " ",
584 (j == num_lines-1) ? explanation : "");
585 }
586 }
587
588 if (is_last_record(tracepos, trace, traceLen)) return traceLen;
589
590 if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
591 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
592 PrintAndLog(" %10d | %10d | %s |fdt (Frame Delay Time): %d",
593 (EndOfTransmissionTimestamp - first_timestamp),
594 (next_timestamp - first_timestamp),
595 " ",
596 (next_timestamp - EndOfTransmissionTimestamp));
597 }
598
599 return tracepos;
600 }
601
602
603 int CmdHFList(const char *Cmd)
604 {
605 bool showWaitCycles = false;
606 bool markCRCBytes = false;
607 char type[40] = {0};
608 int tlen = param_getstr(Cmd,0,type);
609 char param1 = param_getchar(Cmd, 1);
610 char param2 = param_getchar(Cmd, 2);
611 bool errors = false;
612 uint8_t protocol = 0;
613 //Validate params
614
615 if(tlen == 0) {
616 errors = true;
617 }
618
619 if(param1 == 'h'
620 || (param1 != 0 && param1 != 'f' && param1 != 'c')
621 || (param2 != 0 && param2 != 'f' && param2 != 'c')) {
622 errors = true;
623 }
624
625 if(!errors) {
626 if(strcmp(type, "iclass") == 0) {
627 protocol = ICLASS;
628 } else if(strcmp(type, "14a") == 0) {
629 protocol = ISO_14443A;
630 } else if(strcmp(type, "14b") == 0) {
631 protocol = ISO_14443B;
632 } else if(strcmp(type,"topaz")== 0) {
633 protocol = TOPAZ;
634 } else if(strcmp(type,"7816")== 0) {
635 protocol = ISO_7816_4;
636 } else if(strcmp(type,"raw")== 0) {
637 protocol = -1;//No crc, no annotations
638 }else{
639 errors = true;
640 }
641 }
642
643 if (errors) {
644 PrintAndLog("List protocol data in trace buffer.");
645 PrintAndLog("Usage: hf list <protocol> [f][c]");
646 PrintAndLog(" f - show frame delay times as well");
647 PrintAndLog(" c - mark CRC bytes");
648 PrintAndLog("Supported <protocol> values:");
649 PrintAndLog(" raw - just show raw data without annotations");
650 PrintAndLog(" 14a - interpret data as iso14443a communications");
651 PrintAndLog(" 14b - interpret data as iso14443b communications");
652 PrintAndLog(" iclass - interpret data as iclass communications");
653 PrintAndLog(" topaz - interpret data as topaz communications");
654 PrintAndLog(" 7816 - interpret data as iso7816-4 communications");
655 PrintAndLog("");
656 PrintAndLog("example: hf list 14a f");
657 PrintAndLog("example: hf list iclass");
658 return 0;
659 }
660
661
662 if (param1 == 'f' || param2 == 'f') {
663 showWaitCycles = true;
664 }
665
666 if (param1 == 'c' || param2 == 'c') {
667 markCRCBytes = true;
668 }
669
670 uint8_t *trace;
671 uint16_t tracepos = 0;
672 trace = malloc(USB_CMD_DATA_SIZE);
673
674 // Query for the size of the trace
675 UsbCommand response;
676 GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
677 WaitForResponse(CMD_ACK, &response);
678 uint16_t traceLen = response.arg[2];
679 if (traceLen > USB_CMD_DATA_SIZE) {
680 uint8_t *p = realloc(trace, traceLen);
681 if (p == NULL) {
682 PrintAndLog("Cannot allocate memory for trace");
683 free(trace);
684 return 2;
685 }
686 trace = p;
687 GetFromBigBuf(trace, traceLen, 0);
688 WaitForResponse(CMD_ACK, NULL);
689 }
690
691 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
692 PrintAndLog("");
693 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
694 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
695 PrintAndLog("iClass - Timings are not as accurate");
696 PrintAndLog("");
697 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
698 PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
699
700 while(tracepos < traceLen)
701 {
702 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
703 }
704
705 free(trace);
706 return 0;
707 }
708
709 int CmdHFSearch(const char *Cmd){
710 int ans = 0;
711 PrintAndLog("");
712 ans = CmdHF14AReader("s");
713 if (ans > 0) {
714 PrintAndLog("\nValid ISO14443A Tag Found - Quiting Search\n");
715 return ans;
716 }
717 ans = HF14BInfo(false);
718 if (ans) {
719 PrintAndLog("\nValid ISO14443B Tag Found - Quiting Search\n");
720 return ans;
721 }
722 ans = HFiClassReader("", false, false);
723 if (ans) {
724 PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n");
725 return ans;
726 }
727 ans = HF15Reader("", false);
728 if (ans) {
729 PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n");
730 return ans;
731 }
732 PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
733 return 0;
734 }
735
736 static command_t CommandTable[] =
737 {
738 {"help", CmdHelp, 1, "This help"},
739 {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
740 {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
741 {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
742 {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
743 {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
744 {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
745 {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
746 {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
747 {"mfdes", CmdHFMFDes, 1, "{ MIFARE Desfire RFIDs... }"},
748 {"topaz", CmdHFTopaz, 1, "{ TOPAZ (NFC Type 1) RFIDs... }"},
749 {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
750 {"list", CmdHFList, 1, "List protocol data in trace buffer"},
751 {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"},
752 {NULL, NULL, 0, NULL}
753 };
754
755 int CmdHF(const char *Cmd)
756 {
757 CmdsParse(CommandTable, Cmd);
758 return 0;
759 }
760
761 int CmdHelp(const char *Cmd)
762 {
763 CmdsHelp(CommandTable);
764 return 0;
765 }
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