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FIX: Mental note to self, bitnumber 4 is used, not the value 4 which would be bitnum...
[proxmark3-svn] / client / cmdhf.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // High frequency commands
9 //-----------------------------------------------------------------------------
10
11 #include <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 PrintAndLog("Measuring HF antenna, press button to exit");
34 UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING_HF};
35 clearCommandBuffer();
36 SendCommand(&c);
37 return 0;
38 }
39
40
41 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
42 {
43 switch(cmd[0])
44 {
45 case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
46 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
47 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
48 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
49 if(cmd[1] == 0x70)
50 snprintf(exp,size,"SELECT_UID");
51 else
52 snprintf(exp,size,"ANTICOLL");
53 break;
54 }
55 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
56 //95 20 = Anticollision of cascade level2
57 //95 70 = Select of cascade level2
58 if(cmd[2] == 0x70)
59 snprintf(exp,size,"SELECT_UID-2");
60 else
61 snprintf(exp,size,"ANTICOLL-2");
62 break;
63 }
64 case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
65 case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
66 case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
67 case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
68 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
69 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
70 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
71 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
72 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
73 case MIFARE_AUTH_KEYA:{
74 if ( cmdsize > 3)
75 snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
76 else
77 // case MIFARE_ULEV1_VERSION : both 0x60.
78 snprintf(exp,size,"EV1 VERSION");
79 break;
80 }
81 case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
82 case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
83 case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
84 case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
85 case MIFARE_ULC_AUTH_1 : snprintf(exp,size,"AUTH "); break;
86 case MIFARE_ULC_AUTH_2 : snprintf(exp,size,"AUTH_ANSW"); break;
87 case MIFARE_ULEV1_AUTH :
88 if ( cmdsize == 7 )
89 snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
90 else
91 snprintf(exp,size,"PWD-AUTH");
92 break;
93 case MIFARE_ULEV1_FASTREAD : {
94 if ( cmdsize >=3 && cmd[2] <= 0xE6)
95 snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
96 else
97 snprintf(exp,size,"?");
98 break;
99 }
100 case MIFARE_ULC_WRITE : {
101 if ( cmd[1] < 0x21 )
102 snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
103 else
104 snprintf(exp,size,"?");
105 break;
106 }
107 case MIFARE_ULEV1_READ_CNT :{
108 if ( cmd[1] < 5 )
109 snprintf(exp,size,"READ CNT(%d)",cmd[1]);
110 else
111 snprintf(exp,size,"?");
112 break;
113 }
114 case MIFARE_ULEV1_INCR_CNT : {
115 if ( cmd[1] < 5 )
116 snprintf(exp,size,"INCR(%d)",cmd[1]);
117 else
118 snprintf(exp,size,"?");
119 break;
120 }
121 case MIFARE_ULEV1_READSIG : snprintf(exp,size,"READ_SIG"); break;
122 case MIFARE_ULEV1_CHECKTEAR : snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
123 case MIFARE_ULEV1_VCSL : snprintf(exp,size,"VCSL"); break;
124 default: snprintf(exp,size,"?"); break;
125 }
126 return;
127 }
128
129 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
130 {
131 switch(cmd[0])
132 {
133 case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
134 case ICLASS_CMD_READ_OR_IDENTIFY:{
135 if(cmdsize > 1){
136 snprintf(exp,size,"READ(%d)",cmd[1]);
137 }else{
138 snprintf(exp,size,"IDENTIFY");
139 }
140 break;
141 }
142 case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
143 case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
144 case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
145 case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
146 case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
147 case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
148 case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
149 case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
150 case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
151 case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
152 default: snprintf(exp,size,"?"); break;
153 }
154 return;
155 }
156
157 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
158 {
159
160 if(cmd[0] == 0x26)
161 {
162 switch(cmd[1]){
163 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
164 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
165 default: snprintf(exp,size,"?"); break;
166
167 }
168 }else if(cmd[0] == 0x02)
169 {
170 switch(cmd[1])
171 {
172 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
173 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
174 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
175 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
176 case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
177 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
178 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
179 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
180 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
181 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
182 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
183 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
184 default: snprintf(exp,size,"?"); break;
185 }
186 }
187 }
188
189 void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
190 {
191 switch(cmd[0]) {
192 case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
193 case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
194 case TOPAZ_RID :snprintf(exp, size, "RID");break;
195 case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
196 case TOPAZ_READ :snprintf(exp, size, "READ");break;
197 case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
198 case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
199 case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
200 case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
201 case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
202 case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
203 default :snprintf(exp,size,"?"); break;
204 }
205 }
206
207 // iso 7816-3
208 void annotateIso7816(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
209 // S-block
210 if ( (cmd[0] & 0xC0) && (cmdsize == 3) ) {
211 switch ( (cmd[0] & 0x3f) ) {
212 case 0x00 : snprintf(exp, size, "S-block RESYNCH req"); break;
213 case 0x20 : snprintf(exp, size, "S-block RESYNCH resp"); break;
214 case 0x01 : snprintf(exp, size, "S-block IFS req"); break;
215 case 0x21 : snprintf(exp, size, "S-block IFS resp"); break;
216 case 0x02 : snprintf(exp, size, "S-block ABORT req"); break;
217 case 0x22 : snprintf(exp, size, "S-block ABORT resp"); break;
218 case 0x03 : snprintf(exp, size, "S-block WTX reqt"); break;
219 case 0x23 : snprintf(exp, size, "S-block WTX resp"); break;
220 default : snprintf(exp, size, "S-block"); break;
221 }
222 }
223 // R-block (ack)
224 else if ( ((cmd[0] & 0xD0) == 0x80) && ( cmdsize > 2) ) {
225 if ( (cmd[0] & 0x10) == 0 )
226 snprintf(exp, size, "R-block ACK");
227 else
228 snprintf(exp, size, "R-block NACK");
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 : {
271
272 switch ( cmd[2] & 0x07 ) {
273 case 0: snprintf(exp, size,"1 slot ");break;
274 case 1: snprintf(exp, size,"2 slots ");break;
275 case 2: snprintf(exp, size,"4 slots ");break;
276 case 3: snprintf(exp, size,"8 slots ");break;
277 default: snprintf(exp, size,"16 slots ");break;
278 }
279
280 if ( (cmd[2] & 0x8) )
281 snprintf(exp, size,"REQB");
282 else
283 snprintf(exp, size,"WUPB");
284 break;
285 }
286 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
287 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
288 case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
289 case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
290 case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
291 case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
292 case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
293 case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
294 case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
295 case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
296 case ISO14443B_PING : snprintf(exp,size,"PING");break;
297 case ISO14443B_PONG : snprintf(exp,size,"PONG");break;
298 default : snprintf(exp,size ,"?");break;
299 }
300 }
301
302 /**
303 * @brief iso14443A_CRC_check Checks CRC in command or response
304 * @param isResponse
305 * @param data
306 * @param len
307 * @return 0 : CRC-command, CRC not ok
308 * 1 : CRC-command, CRC ok
309 * 2 : Not crc-command
310 */
311
312 uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
313 {
314 uint8_t b1,b2;
315
316 if(len <= 2) return 2;
317
318 if(isResponse & (len < 6)) return 2;
319
320 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
321 if (b1 != data[len-2] || b2 != data[len-1]) {
322 return 0;
323 } else {
324 return 1;
325 }
326 }
327
328
329 /**
330 * @brief iso14443B_CRC_check Checks CRC in command or response
331 * @param isResponse
332 * @param data
333 * @param len
334 * @return 0 : CRC-command, CRC not ok
335 * 1 : CRC-command, CRC ok
336 * 2 : Not crc-command
337 */
338
339 uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
340 {
341 uint8_t b1,b2;
342
343 if(len <= 2) return 2;
344
345 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
346 if(b1 != data[len-2] || b2 != data[len-1]) {
347 return 0;
348 }
349 return 1;
350 }
351
352 /**
353 * @brief iclass_CRC_Ok Checks CRC in command or response
354 * @param isResponse
355 * @param data
356 * @param len
357 * @return 0 : CRC-command, CRC not ok
358 * 1 : CRC-command, CRC ok
359 * 2 : Not crc-command
360 */
361 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
362 {
363 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
364
365 uint8_t b1, b2;
366
367 if(!isResponse)//Commands to tag
368 {
369 /**
370 These commands should have CRC. Total length leftmost
371 4 READ
372 4 READ4
373 12 UPDATE - unsecured, ends with CRC16
374 14 UPDATE - secured, ends with signature instead
375 4 PAGESEL
376 **/
377 if(len == 4 || len == 12)//Covers three of them
378 {
379 //Don't include the command byte
380 ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
381 return b1 == data[len -2] && b2 == data[len-1];
382 }
383 return 2;
384 }else{
385 /**
386 These tag responses should have CRC. Total length leftmost
387
388 10 READ data[8] crc[2]
389 34 READ4 data[32]crc[2]
390 10 UPDATE data[8] crc[2]
391 10 SELECT csn[8] crc[2]
392 10 IDENTIFY asnb[8] crc[2]
393 10 PAGESEL block1[8] crc[2]
394 10 DETECT csn[8] crc[2]
395
396 These should not
397
398 4 CHECK chip_response[4]
399 8 READCHECK data[8]
400 1 ACTALL sof[1]
401 1 ACT sof[1]
402
403 In conclusion, without looking at the command; any response
404 of length 10 or 34 should have CRC
405 **/
406 if(len != 10 && len != 34) return true;
407
408 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
409 return b1 == data[len -2] && b2 == data[len-1];
410 }
411 }
412
413
414 bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
415 {
416 return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
417 }
418
419
420 bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
421 {
422 uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
423
424 return(next_records_datalen & 0x8000);
425 }
426
427
428 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)
429 {
430
431 #define MAX_TOPAZ_READER_CMD_LEN 16
432
433 uint32_t last_timestamp = timestamp + *duration;
434
435 if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
436
437 memcpy(topaz_reader_command, frame, *data_len);
438
439 while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
440 uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
441 *tracepos += sizeof(uint32_t);
442 uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
443 *tracepos += sizeof(uint16_t);
444 uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
445 *tracepos += sizeof(uint16_t);
446 uint8_t *next_frame = (trace + *tracepos);
447 *tracepos += next_data_len;
448 if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
449 memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
450 *data_len += next_data_len;
451 last_timestamp = next_timestamp + next_duration;
452 } else {
453 // rewind and exit
454 *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
455 break;
456 }
457 uint16_t next_parity_len = (next_data_len-1)/8 + 1;
458 *tracepos += next_parity_len;
459 }
460
461 *duration = last_timestamp - timestamp;
462
463 return true;
464 }
465
466
467 uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
468 {
469 bool isResponse;
470 uint16_t data_len, parity_len;
471 uint32_t duration;
472 uint8_t topaz_reader_command[9];
473 uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
474 char explanation[30] = {0};
475
476 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
477
478 first_timestamp = *((uint32_t *)(trace));
479 timestamp = *((uint32_t *)(trace + tracepos));
480
481 tracepos += 4;
482 duration = *((uint16_t *)(trace + tracepos));
483 tracepos += 2;
484 data_len = *((uint16_t *)(trace + tracepos));
485 tracepos += 2;
486
487 if (data_len & 0x8000) {
488 data_len &= 0x7fff;
489 isResponse = true;
490 } else {
491 isResponse = false;
492 }
493 parity_len = (data_len-1)/8 + 1;
494
495 if (tracepos + data_len + parity_len > traceLen) {
496 return traceLen;
497 }
498 uint8_t *frame = trace + tracepos;
499 tracepos += data_len;
500 uint8_t *parityBytes = trace + tracepos;
501 tracepos += parity_len;
502
503 if (protocol == TOPAZ && !isResponse) {
504 // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
505 // merge them:
506 if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
507 frame = topaz_reader_command;
508 }
509 }
510
511 //Check the CRC status
512 uint8_t crcStatus = 2;
513
514 if (data_len > 2) {
515 switch (protocol) {
516 case ICLASS:
517 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
518 break;
519 case ISO_14443B:
520 case TOPAZ:
521 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
522 break;
523 case ISO_14443A:
524 crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
525 break;
526 default:
527 break;
528 }
529 }
530 //0 CRC-command, CRC not ok
531 //1 CRC-command, CRC ok
532 //2 Not crc-command
533
534 //--- Draw the data column
535 char line[16][110];
536
537 for (int j = 0; j < data_len && j/16 < 16; j++) {
538
539 int oddparity = 0x01;
540 int k;
541
542 for (k=0 ; k<8 ; k++) {
543 oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
544 }
545 uint8_t parityBits = parityBytes[j>>3];
546 if (protocol != ISO_14443B && protocol != ISO_7816_4 && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
547 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
548
549 } else {
550 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x ", frame[j]);
551 }
552
553 }
554
555 if (markCRCBytes) {
556 //CRC-command
557 if(crcStatus == 0 || crcStatus == 1) {
558 char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
559 (*pos1) = '[';
560 char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
561 sprintf(pos2, "%c", ']');
562 }
563 }
564
565 if(data_len == 0 )
566 sprintf(line[0],"<empty trace - possible error>");
567
568
569 //--- Draw the CRC column
570 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
571
572 EndOfTransmissionTimestamp = timestamp + duration;
573
574 if(!isResponse)
575 {
576 switch(protocol) {
577 case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
578 case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
579 case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
580 case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
581 case ISO_7816_4: annotateIso7816(explanation,sizeof(explanation),frame,data_len); break;
582 default: break;
583 }
584 }
585
586 int num_lines = MIN((data_len - 1)/16 + 1, 16);
587 for (int j = 0; j < num_lines ; j++) {
588 if (j == 0) {
589 PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
590 (timestamp - first_timestamp),
591 (EndOfTransmissionTimestamp - first_timestamp),
592 (isResponse ? "Tag" : "Rdr"),
593 line[j],
594 (j == num_lines-1) ? crc : " ",
595 (j == num_lines-1) ? explanation : "");
596 } else {
597 PrintAndLog(" | | |%-64s | %s| %s",
598 line[j],
599 (j == num_lines-1) ? crc : " ",
600 (j == num_lines-1) ? explanation : "");
601 }
602 }
603
604 if (is_last_record(tracepos, trace, traceLen)) return traceLen;
605
606 if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
607 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
608 PrintAndLog(" %10d | %10d | %s |fdt (Frame Delay Time): %d",
609 (EndOfTransmissionTimestamp - first_timestamp),
610 (next_timestamp - first_timestamp),
611 " ",
612 (next_timestamp - EndOfTransmissionTimestamp));
613 }
614
615 return tracepos;
616 }
617
618 int usage_hf_list(){
619 PrintAndLog("List protocol data in trace buffer.");
620 PrintAndLog("Usage: hf list <protocol> [f][c]");
621 PrintAndLog(" f - show frame delay times as well");
622 PrintAndLog(" c - mark CRC bytes");
623 PrintAndLog("Supported <protocol> values:");
624 PrintAndLog(" raw - just show raw data without annotations");
625 PrintAndLog(" 14a - interpret data as iso14443a communications");
626 PrintAndLog(" 14b - interpret data as iso14443b communications");
627 PrintAndLog(" iclass - interpret data as iclass communications");
628 PrintAndLog(" topaz - interpret data as topaz communications");
629 PrintAndLog(" 7816 - interpret data as iso7816-4 communications");
630 PrintAndLog("");
631 PrintAndLog("example: hf list 14a f");
632 PrintAndLog(" hf list iclass");
633 return 0;
634 }
635 int usage_hf_search(){
636 PrintAndLog("Usage: hf search");
637 PrintAndLog("Will try to find a HF read out of the unknown tag. Stops when found.");
638 PrintAndLog("Options:");
639 PrintAndLog(" h - This help");
640 PrintAndLog("");
641 return 0;
642 }
643 int usage_hf_snoop(){
644 PrintAndLog("Usage: hf snoop <skip pairs> <skip triggers>");
645 PrintAndLog("The high frequence snoop will assign all available memory on device for snooped data");
646 PrintAndLog("User the 'data samples' command to download from device, and 'data plot' to look at it");
647 PrintAndLog("Press button to quit the snooping.");
648 PrintAndLog("Options:");
649 PrintAndLog(" h - This help");
650 PrintAndLog(" <skip pairs> - skip sample pairs");
651 PrintAndLog(" <skip triggers> - skip number of triggers");
652 PrintAndLog("");
653 PrintAndLog("example: hf snoop");
654 PrintAndLog(" hf snoop 1000 0");
655 return 0;
656 }
657
658 int CmdHFList(const char *Cmd)
659 {
660 clearCommandBuffer();
661
662 bool showWaitCycles = false;
663 bool markCRCBytes = false;
664 char type[10] = {0};
665 //int tlen = param_getstr(Cmd,0,type);
666 char param1 = param_getchar(Cmd, 1);
667 char param2 = param_getchar(Cmd, 2);
668 bool errors = false;
669 uint8_t protocol = 0;
670
671 //Validate params H or empty
672 if (strlen(Cmd) < 1 || param1 == 'h' || param1 == 'H') return usage_hf_list();
673
674 //Validate params F,C
675 if(
676 (param1 != 0 && param1 != 'f' && param1 != 'c') ||
677 (param2 != 0 && param2 != 'f' && param2 != 'c')
678 ) {
679 return usage_hf_list();
680 }
681
682 param_getstr(Cmd,0,type);
683
684 // validate type of output
685 if(strcmp(type, "iclass") == 0) protocol = ICLASS;
686 else if(strcmp(type, "14a") == 0) protocol = ISO_14443A;
687 else if(strcmp(type, "14b") == 0) protocol = ISO_14443B;
688 else if(strcmp(type, "topaz")== 0) protocol = TOPAZ;
689 else if(strcmp(type, "7816")== 0) protocol = ISO_7816_4;
690 else if(strcmp(type, "raw")== 0) protocol = -1;//No crc, no annotations
691 else errors = true;
692
693 if (errors) return usage_hf_list();
694
695 if (param1 == 'f' || param2 == 'f') showWaitCycles = true;
696 if (param1 == 'c' || param2 == 'c') markCRCBytes = true;
697
698 uint8_t *trace;
699 uint16_t tracepos = 0;
700 trace = malloc(USB_CMD_DATA_SIZE);
701
702 // Query for the size of the trace
703 UsbCommand response;
704 GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
705 WaitForResponse(CMD_ACK, &response);
706 uint16_t traceLen = response.arg[2];
707 if (traceLen > USB_CMD_DATA_SIZE) {
708 uint8_t *p = realloc(trace, traceLen);
709 if (p == NULL) {
710 PrintAndLog("Cannot allocate memory for trace");
711 free(trace);
712 return 2;
713 }
714 trace = p;
715 GetFromBigBuf(trace, traceLen, 0);
716 WaitForResponse(CMD_ACK, NULL);
717 }
718
719 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
720 PrintAndLog("");
721 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
722 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
723 PrintAndLog("iClass - Timings are not as accurate");
724 PrintAndLog("");
725 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
726 PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
727
728 while(tracepos < traceLen)
729 {
730 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
731 }
732
733 free(trace);
734 return 0;
735 }
736
737 int CmdHFSearch(const char *Cmd){
738
739 char cmdp = param_getchar(Cmd, 0);
740 if (cmdp == 'h' || cmdp == 'H') return usage_hf_search();
741
742 PrintAndLog("");
743 int ans = CmdHF14AReader("s");
744
745 if (ans > 0) {
746 PrintAndLog("\nValid ISO14443-A Tag Found - Quiting Search\n");
747 return ans;
748 }
749 ans = CmdHF14BReader("s");
750 if (ans) {
751 PrintAndLog("\nValid ISO14443-B Tag Found - Quiting Search\n");
752 return ans;
753 }
754 ans = HFiClassReader("", false, false);
755 if (ans) {
756 PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n");
757 return ans;
758 }
759 ans = HF15Reader("", false);
760 if (ans) {
761 PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n");
762 return ans;
763 }
764 ans = CmdHFTopazReader("s");
765 if (ans == 0) {
766 PrintAndLog("\nValid Topaz Tag Found - Quiting Search\n");
767 return 1;
768 }
769 PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
770 return 0;
771 }
772
773 int CmdHFSnoop(const char *Cmd)
774 {
775 char cmdp = param_getchar(Cmd, 0);
776 if (cmdp == 'h' || cmdp == 'H') return usage_hf_snoop();
777
778 int skippairs = param_get32ex(Cmd, 0, 0, 10);
779 int skiptriggers = param_get32ex(Cmd, 1, 0, 10);
780
781 UsbCommand c = {CMD_HF_SNIFFER, {skippairs, skiptriggers, 0}};
782 clearCommandBuffer();
783 SendCommand(&c);
784 return 0;
785 }
786
787 static command_t CommandTable[] = {
788 {"help", CmdHelp, 1, "This help"},
789 {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
790 {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
791 {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
792 {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
793 {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
794 {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
795 {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
796 {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
797 {"mfdes", CmdHFMFDes, 1, "{ MIFARE Desfire RFIDs... }"},
798 {"topaz", CmdHFTopaz, 1, "{ TOPAZ (NFC Type 1) RFIDs... }"},
799 {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
800 {"list", CmdHFList, 1, "List protocol data in trace buffer"},
801 {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"},
802 {"snoop", CmdHFSnoop, 0, "<samples to skip (10000)> <triggers to skip (1)> Generic LF/HF Snoop in Testing stage"},
803 {NULL, NULL, 0, NULL}
804 };
805
806 int CmdHF(const char *Cmd) {
807 clearCommandBuffer();
808 CmdsParse(CommandTable, Cmd);
809 return 0;
810 }
811
812 int CmdHelp(const char *Cmd) {
813 CmdsHelp(CommandTable);
814 return 0;
815 }
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