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a553f267 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
acf0582d 11#include <stdlib.h>
7fe9b0b7 12#include <stdio.h>
4c3de57a 13#include <string.h>
902cb3c0 14#include "proxmark3.h"
7cb8516c 15#include "util.h"
acf0582d 16#include "data.h"
7fe9b0b7 17#include "ui.h"
7cb8516c 18#include "iso14443crc.h"
1f065e1d 19#include "parity.h"
7cb8516c 20#include "cmdmain.h"
7fe9b0b7 21#include "cmdparser.h"
22#include "cmdhf.h"
23#include "cmdhf14a.h"
24#include "cmdhf14b.h"
25#include "cmdhf15.h"
5acd09bd 26#include "cmdhfepa.h"
7fe9b0b7 27#include "cmdhflegic.h"
cee5a30d 28#include "cmdhficlass.h"
9ca155ba 29#include "cmdhfmf.h"
5ee70129 30#include "cmdhfmfu.h"
05ddb52c 31#include "cmdhftopaz.h"
b67f7ec3 32#include "protocols.h"
3c5fce2b 33#include "emv/cmdemv.h"
7fe9b0b7 34
35static int CmdHelp(const char *Cmd);
36
37int CmdHFTune(const char *Cmd)
38{
39 UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
40 SendCommand(&c);
41 return 0;
42}
4c3de57a 43
4c3de57a
MHS		 44
45void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
46{
47 switch(cmd[0])
48 {
41fdd0f0
MHS		 49 case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
50 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
4df54240
MHS		 51 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
52 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
383608a6 53 if(cmd[1] == 0x70)
4c3de57a
MHS		 54 {
55 snprintf(exp,size,"SELECT_UID"); break;
56 }else
57 {
4df54240
MHS		 58 snprintf(exp,size,"ANTICOLL"); break;
59 }
60 }
41fdd0f0 61 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
4df54240
MHS		 62 //95 20 = Anticollision of cascade level2
63 //95 70 = Select of cascade level2
64 if(cmd[2] == 0x70)
65 {
66 snprintf(exp,size,"SELECT_UID-2"); break;
67 }else
68 {
69 snprintf(exp,size,"ANTICOLL-2"); break;
4c3de57a
MHS		 70 }
71 }
16a95d76 72 case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
73 case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
74 case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
75 case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
76 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
77 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
78 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
79 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
80 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
75377d29 81 case MIFARE_AUTH_KEYA:{
82 if ( cmdsize > 3)
83 snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
84 else
85 // case MIFARE_ULEV1_VERSION : both 0x60.
86 snprintf(exp,size,"EV1 VERSION");
87 break;
88 }
16a95d76 89 case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
90 case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
91 case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
92 case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
75377d29 93 case MIFARE_ULC_AUTH_1: snprintf(exp,size,"AUTH "); break;
94 case MIFARE_ULC_AUTH_2: snprintf(exp,size,"AUTH_ANSW"); break;
a2e2bb8a 95 case MIFARE_ULEV1_AUTH:
96 if ( cmdsize == 7 )
97 snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
98 else
99 snprintf(exp,size,"PWD-AUTH");
100 break;
75377d29 101 case MIFARE_ULEV1_FASTREAD:{
6ce0e538 102 if ( cmdsize >=3 && cmd[2] <= 0xE6)
75377d29 103 snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
104 else
105 snprintf(exp,size,"?");
106 break;
107 }
c585a5cf 108 case MIFARE_ULC_WRITE:{
75377d29 109 if ( cmd[1] < 0x21 )
110 snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
111 else
112 snprintf(exp,size,"?");
113 break;
114 }
115 case MIFARE_ULEV1_READ_CNT:{
116 if ( cmd[1] < 5 )
117 snprintf(exp,size,"READ CNT(%d)",cmd[1]);
118 else
119 snprintf(exp,size,"?");
120 break;
121 }
122 case MIFARE_ULEV1_INCR_CNT:{
123 if ( cmd[1] < 5 )
124 snprintf(exp,size,"INCR(%d)",cmd[1]);
125 else
126 snprintf(exp,size,"?");
127 break;
128 }
129 case MIFARE_ULEV1_READSIG: snprintf(exp,size,"READ_SIG"); break;
130 case MIFARE_ULEV1_CHECKTEAR: snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
131 case MIFARE_ULEV1_VCSL: snprintf(exp,size,"VCSL"); break;
16a95d76 132 default: snprintf(exp,size,"?"); break;
4c3de57a
MHS		 133 }
134 return;
135}
136
137void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
138{
4c3de57a
MHS		 139 switch(cmd[0])
140 {
337818f7 141 case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
4df54240
MHS		 142 case ICLASS_CMD_READ_OR_IDENTIFY:{
143 if(cmdsize > 1){
144 snprintf(exp,size,"READ(%d)",cmd[1]);
145 }else{
146 snprintf(exp,size,"IDENTIFY");
147 }
148 break;
149 }
337818f7 150 case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
49726b40
MHS		 151 case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
152 case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
153 case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
337818f7 154 case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
49726b40 155 case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
337818f7 156 case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
49726b40
MHS		 157 case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
158 case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
159 case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
337818f7 160 default: snprintf(exp,size,"?"); break;
4c3de57a
MHS		 161 }
162 return;
163}
164
4df54240
MHS		 165void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
166{
167
168 if(cmd[0] == 0x26)
169 {
170 switch(cmd[1]){
171 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
172 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
173 default: snprintf(exp,size,"?"); break;
4c3de57a 174
4df54240
MHS		 175 }
176 }else if(cmd[0] == 0x02)
177 {
178 switch(cmd[1])
179 {
180 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
181 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
182 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
183 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
184 case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
185 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
186 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
187 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
188 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
189 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
190 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
191 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
41fdd0f0 192 default: snprintf(exp,size,"?"); break;
4df54240
MHS		 193 }
194 }
195}
08e8317c 196
ee1eadee 197
198void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
199{
ee1eadee 200 switch(cmd[0]) {
201 case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
202 case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
203 case TOPAZ_RID :snprintf(exp, size, "RID");break;
204 case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
205 case TOPAZ_READ :snprintf(exp, size, "READ");break;
206 case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
207 case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
48ece4a7 208 case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
209 case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
210 case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
211 case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
ee1eadee 212 default: snprintf(exp,size,"?"); break;
213 }
214}
215
216
08e8317c
MHS		 217/**
21806 00 = INITIATE
2190E xx = SELECT ID (xx = Chip-ID)
2200B = Get UID
22108 yy = Read Block (yy = block number)
22209 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
2230C = Reset to Inventory
2240F = Completion
2250A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
226**/
227
41fdd0f0
MHS		 228void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
229{
230 switch(cmd[0]){
231 case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
232 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
233 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
08e8317c
MHS		 234 case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
235 case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
236 case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
237 case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
238 case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
239 case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
240 case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
241 case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
242 default : snprintf(exp,size ,"?");break;
41fdd0f0
MHS		 243 }
244
245}
246
247/**
ef00343c 248 * @brief iso14443A_CRC_check Checks CRC in command or response
249 * @param isResponse
250 * @param data
251 * @param len
252 * @return 0 : CRC-command, CRC not ok
253 * 1 : CRC-command, CRC ok
254 * 2 : Not crc-command
255 */
256
257uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
258{
259 uint8_t b1,b2;
260
261 if(len <= 2) return 2;
262
263 if(isResponse & (len < 6)) return 2;
264
265 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
266 if (b1 != data[len-2] || b2 != data[len-1]) {
267 return 0;
268 } else {
269 return 1;
270 }
271}
272
273
274/**
275 * @brief iso14443B_CRC_check Checks CRC in command or response
41fdd0f0
MHS		 276 * @param isResponse
277 * @param data
278 * @param len
279 * @return 0 : CRC-command, CRC not ok
280 * 1 : CRC-command, CRC ok
281 * 2 : Not crc-command
282 */
283
284uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
285{
286 uint8_t b1,b2;
287
288 if(len <= 2) return 2;
289
290 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
291 if(b1 != data[len-2] || b2 != data[len-1]) {
ef00343c 292 return 0;
293 } else {
294 return 1;
41fdd0f0 295 }
41fdd0f0
MHS		 296}
297
49726b40
MHS		 298/**
299 * @brief iclass_CRC_Ok Checks CRC in command or response
300 * @param isResponse
301 * @param data
302 * @param len
303 * @return 0 : CRC-command, CRC not ok
304 * 1 : CRC-command, CRC ok
305 * 2 : Not crc-command
306 */
41fdd0f0 307uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
49726b40
MHS		 308{
309 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
310
311 uint8_t b1, b2;
312
313 if(!isResponse)//Commands to tag
314 {
315 /**
316 These commands should have CRC. Total length leftmost
317 4 READ
318 4 READ4
319 12 UPDATE - unsecured, ends with CRC16
320 14 UPDATE - secured, ends with signature instead
321 4 PAGESEL
322 **/
323 if(len == 4 || len == 12)//Covers three of them
324 {
325 //Don't include the command byte
326 ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
327 return b1 == data[len -2] && b2 == data[len-1];
328 }
329 return 2;
330 }else{
331 /**
332 These tag responses should have CRC. Total length leftmost
333
334 10 READ data[8] crc[2]
335 34 READ4 data[32]crc[2]
336 10 UPDATE data[8] crc[2]
337 10 SELECT csn[8] crc[2]
338 10 IDENTIFY asnb[8] crc[2]
339 10 PAGESEL block1[8] crc[2]
340 10 DETECT csn[8] crc[2]
341
342 These should not
343
344 4 CHECK chip_response[4]
345 8 READCHECK data[8]
346 1 ACTALL sof[1]
347 1 ACT sof[1]
348
349 In conclusion, without looking at the command; any response
350 of length 10 or 34 should have CRC
351 **/
352 if(len != 10 && len != 34) return true;
353
354 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
355 return b1 == data[len -2] && b2 == data[len-1];
356 }
357}
4c3de57a 358
ee1eadee 359
a8904ebd 360bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
4c3de57a 361{
a8904ebd 362 return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
363}
364
365
366bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
367{
368 uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
369
370 return(next_records_datalen & 0x8000);
371}
372
373
ef00343c 374bool 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)
a8904ebd 375{
376
48ece4a7 377#define MAX_TOPAZ_READER_CMD_LEN 16
a8904ebd 378
379 uint32_t last_timestamp = timestamp + *duration;
380
ef00343c 381 if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
4c3de57a 382
ef00343c 383 memcpy(topaz_reader_command, frame, *data_len);
a8904ebd 384
385 while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
386 uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
387 *tracepos += sizeof(uint32_t);
ef00343c 388 uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
a8904ebd 389 *tracepos += sizeof(uint16_t);
390 uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
391 *tracepos += sizeof(uint16_t);
392 uint8_t *next_frame = (trace + *tracepos);
393 *tracepos += next_data_len;
ef00343c 394 if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
a8904ebd 395 memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
396 *data_len += next_data_len;
ef00343c 397 last_timestamp = next_timestamp + next_duration;
398 } else {
399 // rewind and exit
400 *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
401 break;
402 }
a8904ebd 403 uint16_t next_parity_len = (next_data_len-1)/8 + 1;
404 *tracepos += next_parity_len;
405 }
406
407 *duration = last_timestamp - timestamp;
ef00343c 408
409 return true;
ee1eadee 410}
411
412
05ddb52c 413uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
4c3de57a
MHS		 414{
415 bool isResponse;
a8904ebd 416 uint16_t data_len, parity_len;
417 uint32_t duration;
ee1eadee 418 uint8_t topaz_reader_command[9];
4c3de57a
MHS		 419 uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
420 char explanation[30] = {0};
421
f71f4deb 422 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
423
4c3de57a
MHS		 424 first_timestamp = *((uint32_t *)(trace));
425 timestamp = *((uint32_t *)(trace + tracepos));
4c3de57a
MHS		 426
427 tracepos += 4;
428 duration = *((uint16_t *)(trace + tracepos));
429 tracepos += 2;
430 data_len = *((uint16_t *)(trace + tracepos));
431 tracepos += 2;
432
433 if (data_len & 0x8000) {
434 data_len &= 0x7fff;
435 isResponse = true;
436 } else {
437 isResponse = false;
438 }
439 parity_len = (data_len-1)/8 + 1;
440
f71f4deb 441 if (tracepos + data_len + parity_len > traceLen) {
442 return traceLen;
4c3de57a 443 }
4c3de57a
MHS		 444 uint8_t *frame = trace + tracepos;
445 tracepos += data_len;
446 uint8_t *parityBytes = trace + tracepos;
447 tracepos += parity_len;
448
ee1eadee 449 if (protocol == TOPAZ && !isResponse) {
ef00343c 450 // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
ee1eadee 451 // merge them:
ef00343c 452 if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
453 frame = topaz_reader_command;
454 }
ee1eadee 455 }
456
27eabcdc
MHS		 457 //Check the CRC status
458 uint8_t crcStatus = 2;
459
460 if (data_len > 2) {
ee1eadee 461 switch (protocol) {
462 case ICLASS:
463 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
464 break;
465 case ISO_14443B:
ef00343c 466 case TOPAZ:
a8904ebd 467 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
ee1eadee 468 break;
469 case ISO_14443A:
ef00343c 470 crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
ee1eadee 471 break;
472 default:
473 break;
27eabcdc
MHS		 474 }
475 }
476 //0 CRC-command, CRC not ok
477 //1 CRC-command, CRC ok
478 //2 Not crc-command
9e8255d4 479
4c3de57a 480 //--- Draw the data column
9e8255d4 481 //char line[16][110];
4c3de57a 482 char line[16][110];
9e8255d4
MHS		 483
484 for (int j = 0; j < data_len && j/16 < 16; j++) {
485
4c3de57a 486 uint8_t parityBits = parityBytes[j>>3];
1f065e1d 487 if (protocol != ISO_14443B && (isResponse || protocol == ISO_14443A) && (oddparity8(frame[j]) != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
9e8255d4 488 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
4c3de57a 489 } else {
ef00343c 490 snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x ", frame[j]);
9e8255d4 491 }
27eabcdc
MHS		 492
493 }
05ddb52c 494
495 if (markCRCBytes) {
496 if(crcStatus == 0 || crcStatus == 1)
497 {//CRC-command
498 char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
499 (*pos1) = '[';
500 char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
501 sprintf(pos2, "%c", ']');
502 }
9e8255d4 503 }
05ddb52c 504
9e8255d4
MHS		 505 if(data_len == 0)
506 {
507 if(data_len == 0){
508 sprintf(line[0],"<empty trace - possible error>");
4c3de57a
MHS		 509 }
510 }
511 //--- Draw the CRC column
4c3de57a 512
49726b40 513 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
4c3de57a
MHS		 514
515 EndOfTransmissionTimestamp = timestamp + duration;
516
517 if(!isResponse)
518 {
ee1eadee 519 switch(protocol) {
520 case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
521 case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
522 case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
523 case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
524 default: break;
525 }
4c3de57a
MHS		 526 }
527
9e8255d4
MHS		 528 int num_lines = MIN((data_len - 1)/16 + 1, 16);
529 for (int j = 0; j < num_lines ; j++) {
4c3de57a 530 if (j == 0) {
48ece4a7 531 PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
4c3de57a
MHS		 532 (timestamp - first_timestamp),
533 (EndOfTransmissionTimestamp - first_timestamp),
534 (isResponse ? "Tag" : "Rdr"),
535 line[j],
536 (j == num_lines-1) ? crc : " ",
537 (j == num_lines-1) ? explanation : "");
538 } else {
48ece4a7 539 PrintAndLog(" | | |%-64s | %s| %s",
4c3de57a 540 line[j],
ee1eadee 541 (j == num_lines-1) ? crc : " ",
4c3de57a
MHS		 542 (j == num_lines-1) ? explanation : "");
543 }
544 }
545
a8904ebd 546 if (is_last_record(tracepos, trace, traceLen)) return traceLen;
f71f4deb 547
a8904ebd 548 if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
4c3de57a 549 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
275d9e61 550 PrintAndLog(" %10d | %10d | %s | fdt (Frame Delay Time): %d",
a8904ebd 551 (EndOfTransmissionTimestamp - first_timestamp),
552 (next_timestamp - first_timestamp),
553 " ",
554 (next_timestamp - EndOfTransmissionTimestamp));
4c3de57a 555 }
f71f4deb 556
4c3de57a
MHS		 557 return tracepos;
558}
559
f71f4deb 560
4c3de57a
MHS		 561int CmdHFList(const char *Cmd)
562{
563 bool showWaitCycles = false;
05ddb52c 564 bool markCRCBytes = false;
4c3de57a 565 char type[40] = {0};
874572d4 566 int tlen = param_getstr(Cmd,0,type, sizeof(type));
05ddb52c 567 char param1 = param_getchar(Cmd, 1);
568 char param2 = param_getchar(Cmd, 2);
4c3de57a 569 bool errors = false;
b689b842 570 uint8_t protocol = 0;
4c3de57a 571 //Validate params
05ddb52c 572
573 if(tlen == 0) {
4c3de57a
MHS		 574 errors = true;
575 }
05ddb52c 576
577 if(param1 == 'h'
578 || (param1 != 0 && param1 != 'f' && param1 != 'c')
579 || (param2 != 0 && param2 != 'f' && param2 != 'c')) {
4c3de57a
MHS		 580 errors = true;
581 }
05ddb52c 582
583 if(!errors) {
ee1eadee 584 if(strcmp(type, "iclass") == 0) {
b689b842 585 protocol = ICLASS;
ee1eadee 586 } else if(strcmp(type, "14a") == 0) {
b689b842 587 protocol = ISO_14443A;
ee1eadee 588 } else if(strcmp(type, "14b") == 0) {
b689b842 589 protocol = ISO_14443B;
ef00343c 590 } else if(strcmp(type,"topaz")== 0) {
ee1eadee 591 protocol = TOPAZ;
592 } else if(strcmp(type,"raw")== 0) {
b689b842 593 protocol = -1;//No crc, no annotations
ee1eadee 594 } else {
b689b842
MHS		 595 errors = true;
596 }
597 }
4c3de57a
MHS		 598
599 if (errors) {
600 PrintAndLog("List protocol data in trace buffer.");
05ddb52c 601 PrintAndLog("Usage: hf list <protocol> [f][c]");
92623113 602 PrintAndLog(" f - show frame delay times as well");
05ddb52c 603 PrintAndLog(" c - mark CRC bytes");
92623113
MHS		 604 PrintAndLog("Supported <protocol> values:");
605 PrintAndLog(" raw - just show raw data without annotations");
337818f7 606 PrintAndLog(" 14a - interpret data as iso14443a communications");
41fdd0f0 607 PrintAndLog(" 14b - interpret data as iso14443b communications");
4c3de57a 608 PrintAndLog(" iclass - interpret data as iclass communications");
ee1eadee 609 PrintAndLog(" topaz - interpret data as topaz communications");
4c3de57a
MHS		 610 PrintAndLog("");
611 PrintAndLog("example: hf list 14a f");
612 PrintAndLog("example: hf list iclass");
613 return 0;
614 }
b689b842 615
4c3de57a 616
05ddb52c 617 if (param1 == 'f' || param2 == 'f') {
4c3de57a
MHS		 618 showWaitCycles = true;
619 }
620
05ddb52c 621 if (param1 == 'c' || param2 == 'c') {
622 markCRCBytes = true;
623 }
4c3de57a 624
f71f4deb 625 uint8_t *trace;
4c3de57a 626 uint16_t tracepos = 0;
f71f4deb 627 trace = malloc(USB_CMD_DATA_SIZE);
628
629 // Query for the size of the trace
630 UsbCommand response;
631 GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
632 WaitForResponse(CMD_ACK, &response);
633 uint16_t traceLen = response.arg[2];
634 if (traceLen > USB_CMD_DATA_SIZE) {
635 uint8_t *p = realloc(trace, traceLen);
636 if (p == NULL) {
637 PrintAndLog("Cannot allocate memory for trace");
638 free(trace);
639 return 2;
640 }
641 trace = p;
642 GetFromBigBuf(trace, traceLen, 0);
643 WaitForResponse(CMD_ACK, NULL);
644 }
645
646 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
4c3de57a
MHS		 647 PrintAndLog("");
648 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
649 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
650 PrintAndLog("iClass - Timings are not as accurate");
651 PrintAndLog("");
de15fc5f 652 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
653 PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
4c3de57a 654
f71f4deb 655 while(tracepos < traceLen)
4c3de57a 656 {
05ddb52c 657 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
4c3de57a 658 }
f71f4deb 659
660 free(trace);
4c3de57a
MHS		 661 return 0;
662}
663
8ceb6b03 664int CmdHFSearch(const char *Cmd){
665 int ans = 0;
6ce0e538 666 PrintAndLog("");
fe842bed 667 ans = CmdHF14AInfo("s");
6ce0e538 668 if (ans > 0) {
669 PrintAndLog("\nValid ISO14443A Tag Found - Quiting Search\n");
670 return ans;
ff4fdb32 671 }
aa53efc3 672 ans = HFiClassReader("", false, false);
ff4fdb32 673 if (ans) {
aa53efc3 674 PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n");
ff4fdb32 675 return ans;
676 }
979c7655 677 ans = HF15Reader("", false);
6ce0e538 678 if (ans) {
979c7655 679 PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n");
6ce0e538 680 return ans;
681 }
979c7655 682 //14b is longest test currently (and rarest chip type) ... put last
683 ans = HF14BInfo(false);
6ce0e538 684 if (ans) {
979c7655 685 PrintAndLog("\nValid ISO14443B Tag Found - Quiting Search\n");
6ce0e538 686 return ans;
687 }
ff4fdb32 688 PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
8ceb6b03 689 return 0;
690}
7fe9b0b7 691
0472d76d 692int CmdHFSnoop(const char *Cmd)
693{
694 char * pEnd;
695 UsbCommand c = {CMD_HF_SNIFFER, {strtol(Cmd, &pEnd,0),strtol(pEnd, &pEnd,0),0}};
696 SendCommand(&c);
697 return 0;
698}
699
7fe9b0b7 700static command_t CommandTable[] =
701{
05ddb52c 702 {"help", CmdHelp, 1, "This help"},
703 {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
704 {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
705 {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
706 {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
3c5fce2b 707 {"emv", CmdHFEMV, 1, "{ EMV cards... }"},
05ddb52c 708 {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
709 {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
710 {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
711 {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
712 {"topaz", CmdHFTopaz, 1, "{ TOPAZ (NFC Type 1) RFIDs... }"},
713 {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
714 {"list", CmdHFList, 1, "List protocol data in trace buffer"},
7624e8b2 715 {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"},
b2fe0e77 716 {"snoop", CmdHFSnoop, 0, "<samples to skip (10000)> <triggers to skip (1)> Generic HF Snoop"},
05ddb52c 717 {NULL, NULL, 0, NULL}
7fe9b0b7 718};
719
720int CmdHF(const char *Cmd)
721{
722 CmdsParse(CommandTable, Cmd);
723 return 0;
724}
725
726int CmdHelp(const char *Cmd)
727{
728 CmdsHelp(CommandTable);
729 return 0;
730}
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