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[proxmark3-svn] / client / cmdhflist.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3 // Copyright (C) Merlok - 2017
4 //
5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
6 // at your option, any later version. See the LICENSE.txt file for the text of
7 // the license.
8 //-----------------------------------------------------------------------------
9 // Command: hf list. It shows data from arm buffer.
10 //-----------------------------------------------------------------------------
11
12 #include "cmdhflist.h"
13
14 #include <stdlib.h>
15 #include <stdio.h>
16 #include <string.h>
17 #include <stdint.h>
18 #include <stdbool.h>
19 #include "util.h"
20 #include "ui.h"
21 #include "cliparser/cliparser.h"
22 #include "comms.h"
23 #include "iso14443crc.h"
24 #include "iso15693tools.h"
25 #include "parity.h"
26 #include "protocols.h"
27 #include "crapto1/crapto1.h"
28 #include "mifare/mifarehost.h"
29 #include "mifare/mifaredefault.h"
30 #include "usb_cmd.h"
31 #include "pcsc.h"
32
33 typedef struct {
34 uint32_t uid; // UID
35 uint32_t nt; // tag challenge
36 uint32_t nt_enc; // encrypted tag challenge
37 uint8_t nt_enc_par; // encrypted tag challenge parity
38 uint32_t nr_enc; // encrypted reader challenge
39 uint32_t ar_enc; // encrypted reader response
40 uint8_t ar_enc_par; // encrypted reader response parity
41 uint32_t at_enc; // encrypted tag response
42 uint8_t at_enc_par; // encrypted tag response parity
43 bool first_auth; // is first authentication
44 uint32_t ks2; // ar ^ ar_enc
45 uint32_t ks3; // at ^ at_enc
46 } TAuthData;
47
48 enum MifareAuthSeq {
49 masNone,
50 masNt,
51 masNrAr,
52 masAt,
53 masAuthComplete,
54 masFirstData,
55 masData,
56 masError,
57 };
58
59 static enum MifareAuthSeq MifareAuthState;
60 static TAuthData AuthData;
61
62 static void ClearAuthData() {
63 AuthData.uid = 0;
64 AuthData.nt = 0;
65 AuthData.first_auth = true;
66 AuthData.ks2 = 0;
67 AuthData.ks3 = 0;
68 }
69
70 /**
71 * @brief iso14443A_CRC_check Checks CRC in command or response
72 * @param isResponse
73 * @param data
74 * @param len
75 * @return 0 : CRC-command, CRC not ok
76 * 1 : CRC-command, CRC ok
77 * 2 : Not crc-command
78 */
79 static uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
80 {
81 uint8_t b1,b2;
82
83 if(len <= 2) return 2;
84
85 if(isResponse & (len < 6)) return 2;
86
87 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
88 if (b1 != data[len-2] || b2 != data[len-1]) {
89 return 0;
90 } else {
91 return 1;
92 }
93 }
94
95
96 static uint8_t iso14443_4_CRC_check(uint8_t* data, uint8_t len)
97 {
98 uint8_t b1,b2;
99
100 if(len <= 2) return 2;
101
102 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
103 if (b1 != data[len-2] || b2 != data[len-1]) {
104 return 0;
105 } else {
106 return 1;
107 }
108 }
109
110
111 static uint8_t mifare_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
112 {
113 switch(MifareAuthState) {
114 case masNone:
115 case masError:
116 return iso14443A_CRC_check(isResponse, data, len);
117 default:
118 return 2;
119 }
120 }
121
122
123 /**
124 * @brief iso14443B_CRC_check Checks CRC in command or response
125 * @param isResponse
126 * @param data
127 * @param len
128 * @return 0 : CRC-command, CRC not ok
129 * 1 : CRC-command, CRC ok
130 * 2 : Not crc-command
131 */
132 static uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
133 {
134 uint8_t b1,b2;
135
136 if(len <= 2) return 2;
137
138 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
139 if(b1 != data[len-2] || b2 != data[len-1]) {
140 return 0;
141 } else {
142 return 1;
143 }
144 }
145
146
147 static uint8_t iso15693_CRC_check(uint8_t* d, uint16_t n)
148 {
149 if (n <= 2) return 2;
150
151 return (Iso15693Crc(d, n) == ISO15693_CRC_CHECK ? 1 : 0);
152 }
153
154
155 /**
156 * @brief iclass_CRC_Ok Checks CRC in command or response
157 * @param isResponse
158 * @param data
159 * @param len
160 * @return 0 : CRC-command, CRC not ok
161 * 1 : CRC-command, CRC ok
162 * 2 : Not crc-command
163 */
164 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
165 {
166 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
167
168 uint8_t b1, b2;
169
170 if(!isResponse)//Commands to tag
171 {
172 /**
173 These commands should have CRC. Total length leftmost
174 4 READ
175 4 READ4
176 12 UPDATE - unsecured, ends with CRC16
177 14 UPDATE - secured, ends with signature instead
178 4 PAGESEL
179 **/
180 if(len == 4 || len == 12)//Covers three of them
181 {
182 //Don't include the command byte
183 ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
184 return b1 == data[len -2] && b2 == data[len-1];
185 }
186 return 2;
187 }else{
188 /**
189 These tag responses should have CRC. Total length leftmost
190
191 10 READ data[8] crc[2]
192 34 READ4 data[32]crc[2]
193 10 UPDATE data[8] crc[2]
194 10 SELECT csn[8] crc[2]
195 10 IDENTIFY asnb[8] crc[2]
196 10 PAGESEL block1[8] crc[2]
197 10 DETECT csn[8] crc[2]
198
199 These should not
200
201 4 CHECK chip_response[4]
202 8 READCHECK data[8]
203 1 ACTALL sof[1]
204 1 ACT sof[1]
205
206 In conclusion, without looking at the command; any response
207 of length 10 or 34 should have CRC
208 **/
209 if(len != 10 && len != 34) return true;
210
211 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
212 return b1 == data[len -2] && b2 == data[len-1];
213 }
214 }
215
216
217 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
218 switch(cmd[0])
219 {
220 case ICLASS_CMD_ACTALL: snprintf(exp, size, "ACTALL"); break;
221 case ICLASS_CMD_READ_OR_IDENTIFY: {
222 if (cmdsize > 1){
223 snprintf(exp,size,"READ(%d)",cmd[1]);
224 } else {
225 snprintf(exp,size,"IDENTIFY");
226 }
227 break;
228 }
229 case ICLASS_CMD_SELECT: snprintf(exp,size, "SELECT"); break;
230 case ICLASS_CMD_PAGESEL: snprintf(exp,size, "PAGESEL(%d)", cmd[1]); break;
231 case ICLASS_CMD_READCHECK_KC: snprintf(exp,size, "READCHECK[Kc](%d)", cmd[1]); break;
232 case ICLASS_CMD_READCHECK_KD: snprintf(exp,size, "READCHECK[Kd](%d)", cmd[1]); break;
233 case ICLASS_CMD_CHECK_KC:
234 case ICLASS_CMD_CHECK_KD: snprintf(exp,size, "CHECK"); break;
235 case ICLASS_CMD_DETECT: snprintf(exp,size, "DETECT"); break;
236 case ICLASS_CMD_HALT: snprintf(exp,size, "HALT"); break;
237 case ICLASS_CMD_UPDATE: snprintf(exp,size, "UPDATE(%d)",cmd[1]); break;
238 case ICLASS_CMD_ACT: snprintf(exp,size, "ACT"); break;
239 case ICLASS_CMD_READ4: snprintf(exp,size, "READ4(%d)",cmd[1]); break;
240 default: snprintf(exp,size, "?"); break;
241 }
242 return;
243 }
244
245
246 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
247 if (cmdsize >= 2) {
248 switch (cmd[1]) {
249 // Mandatory Commands, all Tags must support them:
250 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");return;
251 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");return;
252 // Optional Commands, Tags may support them:
253 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");return;
254 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");return;
255 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");return;
256 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");return;
257 case ISO15693_WRITE_MULTI_BLOCK :snprintf(exp, size, "WRITE_MULTI_BLOCK");return;
258 case ISO15693_SELECT :snprintf(exp, size, "SELECT");return;
259 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");return;
260 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");return;
261 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");return;
262 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");return;
263 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");return;
264 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");return;
265 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");return;
266 default: break;
267 }
268
269 if (cmd[1] > ISO15693_STAYQUIET && cmd[1] < ISO15693_READBLOCK) snprintf(exp, size, "Mandatory RFU");
270 else if (cmd[1] > ISO15693_READ_MULTI_SECSTATUS && cmd[1] <= 0x9F) snprintf(exp, size, "Optional RFU");
271 else if ( cmd[1] >= 0xA0 && cmd[1] <= 0xDF ) snprintf(exp, size, "Custom command");
272 else if ( cmd[1] >= 0xE0 && cmd[1] <= 0xFF ) snprintf(exp, size, "Proprietary command");
273 }
274 }
275
276
277 void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
278 {
279 switch(cmd[0]) {
280 case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
281 case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
282 case TOPAZ_RID :snprintf(exp, size, "RID");break;
283 case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
284 case TOPAZ_READ :snprintf(exp, size, "READ");break;
285 case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
286 case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
287 case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
288 case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
289 case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
290 case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
291 default: snprintf(exp,size,"?"); break;
292 }
293 }
294
295
296 void annotateIso7816(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
297 {
298 switch ( cmd[1] ){
299 case ISO7816_READ_BINARY :snprintf(exp, size, "READ BINARY");break;
300 case ISO7816_WRITE_BINARY :snprintf(exp, size, "WRITE BINARY");break;
301 case ISO7816_UPDATE_BINARY :snprintf(exp, size, "UPDATE BINARY");break;
302 case ISO7816_ERASE_BINARY :snprintf(exp, size, "ERASE BINARY");break;
303 case ISO7816_READ_RECORDS :snprintf(exp, size, "READ RECORD(S)");break;
304 case ISO7816_WRITE_RECORD :snprintf(exp, size, "WRITE RECORD");break;
305 case ISO7816_APPEND_RECORD :snprintf(exp, size, "APPEND RECORD");break;
306 case ISO7816_UPDATE_DATA :snprintf(exp, size, "UPDATE DATA");break;
307 case ISO7816_GET_DATA :snprintf(exp, size, "GET DATA");break;
308 case ISO7816_PUT_DATA :snprintf(exp, size, "PUT DATA");break;
309 case ISO7816_SELECT_FILE :snprintf(exp, size, "SELECT FILE");break;
310 case ISO7816_VERIFY :snprintf(exp, size, "VERIFY");break;
311 case ISO7816_INTERNAL_AUTHENTICATE :snprintf(exp, size, "INTERNAL AUTHENTICATE");break;
312 case ISO7816_EXTERNAL_AUTHENTICATE :snprintf(exp, size, "EXTERNAL AUTHENTICATE");break;
313 case ISO7816_GET_CHALLENGE :snprintf(exp, size, "GET CHALLENGE");break;
314 case ISO7816_MANAGE_CHANNEL :snprintf(exp, size, "MANAGE CHANNEL");break;
315 case ISO7816_GET_RESPONSE :snprintf(exp, size, "GET RESPONSE");break;
316 case ISO7816_ENVELOPE :snprintf(exp, size, "ENVELOPE");break;
317 case ISO7816_GET_PROCESSING_OPTIONS :snprintf(exp, size, "GET PROCESSING OPTIONS");break;
318 default :snprintf(exp,size,"?"); break;
319 }
320 }
321
322
323 void annotateIso14443_4(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
324 // S-block
325 if ((cmd[0] & 0xc3) == 0xc2) {
326 switch (cmd[0] & 0x30) {
327 case 0x00 : snprintf(exp, size, "S-block DESELECT"); break;
328 case 0x30 : snprintf(exp, size, "S-block WTX"); break;
329 default : snprintf(exp, size, "S-block (RFU)"); break;
330 }
331 }
332 // R-block (ack)
333 else if ((cmd[0] & 0xe0) == 0xa0) {
334 if ((cmd[0] & 0x10) == 0)
335 snprintf(exp, size, "R-block ACK");
336 else
337 snprintf(exp, size, "R-block NACK");
338 }
339 // I-block
340 else {
341 int pos = 1;
342 switch (cmd[0] & 0x0c) {
343 case 0x08: // CID following
344 case 0x04: // NAD following
345 pos = 2;
346 break;
347 case 0x0c: // CID and NAD following
348 pos = 3;
349 break;
350 default:
351 pos = 1; // no CID, no NAD
352 break;
353 }
354 annotateIso7816(exp, size, &cmd[pos], cmdsize-pos);
355 }
356 }
357
358
359 /**
360 06 00 = INITIATE
361 0E xx = SELECT ID (xx = Chip-ID)
362 0B = Get UID
363 08 yy = Read Block (yy = block number)
364 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
365 0C = Reset to Inventory
366 0F = Completion
367 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
368 **/
369
370 void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
371 switch(cmd[0]){
372 case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
373 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
374 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
375 case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
376 case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
377 case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
378 case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
379 case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
380 case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
381 case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
382 case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
383 default : snprintf(exp,size ,"?");break;
384 }
385
386 }
387
388 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
389 switch(cmd[0])
390 {
391 case ISO14443A_CMD_WUPA:
392 snprintf(exp,size,"WUPA");
393 break;
394 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
395 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
396 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
397 if(cmd[1] == 0x70)
398 {
399 snprintf(exp,size,"SELECT_UID"); break;
400 }else
401 {
402 snprintf(exp,size,"ANTICOLL"); break;
403 }
404 }
405 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
406 //95 20 = Anticollision of cascade level2
407 //95 70 = Select of cascade level2
408 if(cmd[2] == 0x70)
409 {
410 snprintf(exp,size,"SELECT_UID-2"); break;
411 }else
412 {
413 snprintf(exp,size,"ANTICOLL-2"); break;
414 }
415 }
416 case ISO14443A_CMD_REQA:
417 snprintf(exp,size,"REQA");
418 break;
419 case MIFARE_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
420 case MIFARE_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
421 case ISO14443A_CMD_HALT:
422 snprintf(exp,size,"HALT");
423 MifareAuthState = masNone;
424 break;
425 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
426 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
427 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
428 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
429 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
430 case MIFARE_AUTH_KEYA:
431 if ( cmdsize > 3) {
432 snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
433 MifareAuthState = masNt;
434 } else {
435 // case MIFARE_ULEV1_VERSION : both 0x60.
436 snprintf(exp,size,"EV1 VERSION");
437 }
438 break;
439 case MIFARE_AUTH_KEYB:
440 MifareAuthState = masNt;
441 snprintf(exp,size,"AUTH-B(%d)",cmd[1]);
442 break;
443 case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
444 case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
445 case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
446 case MIFARE_ULC_AUTH_1: snprintf(exp,size,"AUTH "); break;
447 case MIFARE_ULC_AUTH_2: snprintf(exp,size,"AUTH_ANSW"); break;
448 case MIFARE_ULEV1_AUTH:
449 if ( cmdsize == 7 )
450 snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
451 else
452 snprintf(exp,size,"PWD-AUTH");
453 break;
454 case MIFARE_ULEV1_FASTREAD:{
455 if ( cmdsize >=3 && cmd[2] <= 0xE6)
456 snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
457 else
458 snprintf(exp,size,"?");
459 break;
460 }
461 case MIFARE_ULC_WRITE:{
462 if ( cmd[1] < 0x21 )
463 snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
464 else
465 snprintf(exp,size,"?");
466 break;
467 }
468 case MIFARE_ULEV1_READ_CNT:{
469 if ( cmd[1] < 5 )
470 snprintf(exp,size,"READ CNT(%d)",cmd[1]);
471 else
472 snprintf(exp,size,"?");
473 break;
474 }
475 case MIFARE_ULEV1_INCR_CNT:{
476 if ( cmd[1] < 5 )
477 snprintf(exp,size,"INCR(%d)",cmd[1]);
478 else
479 snprintf(exp,size,"?");
480 break;
481 }
482 case MIFARE_ULEV1_READSIG: snprintf(exp,size,"READ_SIG"); break;
483 case MIFARE_ULEV1_CHECKTEAR: snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
484 case MIFARE_ULEV1_VCSL: snprintf(exp,size,"VCSL"); break;
485 default: snprintf(exp,size,"?"); break;
486 }
487 return;
488 }
489
490 void annotateMifare(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize, uint8_t* parity, uint8_t paritysize, bool isResponse) {
491 if (!isResponse && cmdsize == 1) {
492 switch(cmd[0]) {
493 case ISO14443A_CMD_WUPA:
494 case ISO14443A_CMD_REQA:
495 MifareAuthState = masNone;
496 break;
497 default:
498 break;
499 }
500 }
501
502 // get UID
503 if (MifareAuthState == masNone) {
504 if (cmdsize == 9 && cmd[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT && cmd[1] == 0x70) {
505 ClearAuthData();
506 AuthData.uid = bytes_to_num(&cmd[2], 4);
507 }
508 if (cmdsize == 9 && cmd[0] == ISO14443A_CMD_ANTICOLL_OR_SELECT_2 && cmd[1] == 0x70) {
509 ClearAuthData();
510 AuthData.uid = bytes_to_num(&cmd[2], 4);
511 }
512 }
513
514 switch(MifareAuthState) {
515 case masNt:
516 if (cmdsize == 4 && isResponse) {
517 snprintf(exp,size,"AUTH: nt %s", (AuthData.first_auth) ? "" : "(enc)");
518 MifareAuthState = masNrAr;
519 if (AuthData.first_auth) {
520 AuthData.nt = bytes_to_num(cmd, 4);
521 } else {
522 AuthData.nt_enc = bytes_to_num(cmd, 4);
523 AuthData.nt_enc_par = parity[0];
524 }
525 return;
526 } else {
527 MifareAuthState = masError;
528 }
529 break;
530 case masNrAr:
531 if (cmdsize == 8 && !isResponse) {
532 snprintf(exp,size,"AUTH: nr ar (enc)");
533 MifareAuthState = masAt;
534 AuthData.nr_enc = bytes_to_num(cmd, 4);
535 AuthData.ar_enc = bytes_to_num(&cmd[4], 4);
536 AuthData.ar_enc_par = parity[0] << 4;
537 return;
538 } else {
539 MifareAuthState = masError;
540 }
541 break;
542 case masAt:
543 if (cmdsize == 4 && isResponse) {
544 snprintf(exp,size,"AUTH: at (enc)");
545 MifareAuthState = masAuthComplete;
546 AuthData.at_enc = bytes_to_num(cmd, 4);
547 AuthData.at_enc_par = parity[0];
548 return;
549 } else {
550 MifareAuthState = masError;
551 }
552 break;
553 default:
554 break;
555 }
556
557 if (!isResponse && ((MifareAuthState == masNone) || (MifareAuthState == masError)))
558 annotateIso14443a(exp, size, cmd, cmdsize);
559
560 }
561
562
563 static uint64_t GetCrypto1ProbableKey(TAuthData *ad) {
564 struct Crypto1State *revstate = lfsr_recovery64(ad->ks2, ad->ks3);
565 lfsr_rollback_word(revstate, 0, 0);
566 lfsr_rollback_word(revstate, 0, 0);
567 lfsr_rollback_word(revstate, ad->nr_enc, 1);
568 lfsr_rollback_word(revstate, ad->uid ^ ad->nt, 0);
569
570 uint64_t lfsr = 0;
571 crypto1_get_lfsr(revstate, &lfsr);
572 crypto1_destroy(revstate);
573
574 return lfsr;
575 }
576
577
578 static bool NTParityChk(TAuthData *ad, uint32_t ntx) {
579 if (
580 (oddparity8(ntx >> 8 & 0xff) ^ (ntx & 0x01) ^ ((ad->nt_enc_par >> 5) & 0x01) ^ (ad->nt_enc & 0x01)) ||
581 (oddparity8(ntx >> 16 & 0xff) ^ (ntx >> 8 & 0x01) ^ ((ad->nt_enc_par >> 6) & 0x01) ^ (ad->nt_enc >> 8 & 0x01)) ||
582 (oddparity8(ntx >> 24 & 0xff) ^ (ntx >> 16 & 0x01) ^ ((ad->nt_enc_par >> 7) & 0x01) ^ (ad->nt_enc >> 16 & 0x01))
583 )
584 return false;
585
586 uint32_t ar = prng_successor(ntx, 64);
587 if (
588 (oddparity8(ar >> 8 & 0xff) ^ (ar & 0x01) ^ ((ad->ar_enc_par >> 5) & 0x01) ^ (ad->ar_enc & 0x01)) ||
589 (oddparity8(ar >> 16 & 0xff) ^ (ar >> 8 & 0x01) ^ ((ad->ar_enc_par >> 6) & 0x01) ^ (ad->ar_enc >> 8 & 0x01)) ||
590 (oddparity8(ar >> 24 & 0xff) ^ (ar >> 16 & 0x01) ^ ((ad->ar_enc_par >> 7) & 0x01) ^ (ad->ar_enc >> 16 & 0x01))
591 )
592 return false;
593
594 uint32_t at = prng_successor(ntx, 96);
595 if (
596 (oddparity8(ar & 0xff) ^ (at >> 24 & 0x01) ^ ((ad->ar_enc_par >> 4) & 0x01) ^ (ad->at_enc >> 24 & 0x01)) ||
597 (oddparity8(at >> 8 & 0xff) ^ (at & 0x01) ^ ((ad->at_enc_par >> 5) & 0x01) ^ (ad->at_enc & 0x01)) ||
598 (oddparity8(at >> 16 & 0xff) ^ (at >> 8 & 0x01) ^ ((ad->at_enc_par >> 6) & 0x01) ^ (ad->at_enc >> 8 & 0x01)) ||
599 (oddparity8(at >> 24 & 0xff) ^ (at >> 16 & 0x01) ^ ((ad->at_enc_par >> 7) & 0x01) ^ (ad->at_enc >> 16 & 0x01))
600 )
601 return false;
602
603 return true;
604 }
605
606
607 static bool CheckCrypto1Parity(uint8_t *cmd_enc, uint8_t cmdsize, uint8_t *cmd, uint8_t *parity_enc) {
608 for (int i = 0; i < cmdsize - 1; i++) {
609 if (oddparity8(cmd[i]) ^ (cmd[i + 1] & 0x01) ^ ((parity_enc[i / 8] >> (7 - i % 8)) & 0x01) ^ (cmd_enc[i + 1] & 0x01))
610 return false;
611 }
612
613 return true;
614 }
615
616
617 static bool NestedCheckKey(uint64_t key, TAuthData *ad, uint8_t *cmd, uint8_t cmdsize, uint8_t *parity) {
618 uint8_t buf[32] = {0};
619 struct Crypto1State *pcs;
620
621 AuthData.ks2 = 0;
622 AuthData.ks3 = 0;
623
624 pcs = crypto1_create(key);
625 uint32_t nt1 = crypto1_word(pcs, ad->nt_enc ^ ad->uid, 1) ^ ad->nt_enc;
626 uint32_t ar = prng_successor(nt1, 64);
627 uint32_t at = prng_successor(nt1, 96);
628
629 crypto1_word(pcs, ad->nr_enc, 1);
630 // uint32_t nr1 = crypto1_word(pcs, ad->nr_enc, 1) ^ ad->nr_enc; // if needs deciphered nr
631 uint32_t ar1 = crypto1_word(pcs, 0, 0) ^ ad->ar_enc;
632 uint32_t at1 = crypto1_word(pcs, 0, 0) ^ ad->at_enc;
633
634 if (!(ar == ar1 && at == at1 && NTParityChk(ad, nt1))) {
635 crypto1_destroy(pcs);
636 return false;
637 }
638
639 memcpy(buf, cmd, cmdsize);
640 mf_crypto1_decrypt(pcs, buf, cmdsize, 0);
641
642 crypto1_destroy(pcs);
643
644 if (!CheckCrypto1Parity(cmd, cmdsize, buf, parity))
645 return false;
646
647 if(!CheckCrc14443(CRC_14443_A, buf, cmdsize))
648 return false;
649
650 AuthData.nt = nt1;
651 AuthData.ks2 = AuthData.ar_enc ^ ar;
652 AuthData.ks3 = AuthData.at_enc ^ at;
653
654 return true;
655 }
656
657
658 static bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isResponse, uint8_t *mfData, size_t *mfDataLen) {
659 static struct Crypto1State *traceCrypto1;
660 static uint64_t mfLastKey;
661
662 *mfDataLen = 0;
663
664 if (MifareAuthState == masAuthComplete) {
665 if (traceCrypto1) {
666 crypto1_destroy(traceCrypto1);
667 traceCrypto1 = NULL;
668 }
669
670 MifareAuthState = masFirstData;
671 return false;
672 }
673
674 if (cmdsize > 32)
675 return false;
676
677 if (MifareAuthState == masFirstData) {
678 if (AuthData.first_auth) {
679 AuthData.ks2 = AuthData.ar_enc ^ prng_successor(AuthData.nt, 64);
680 AuthData.ks3 = AuthData.at_enc ^ prng_successor(AuthData.nt, 96);
681
682 mfLastKey = GetCrypto1ProbableKey(&AuthData);
683 PrintAndLog(" | * | key | probable key:%012"PRIx64" Prng:%s ks2:%08x ks3:%08x | |",
684 mfLastKey,
685 validate_prng_nonce(AuthData.nt) ? "WEAK": "HARD",
686 AuthData.ks2,
687 AuthData.ks3);
688
689 AuthData.first_auth = false;
690
691 traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
692 } else {
693 if (traceCrypto1) {
694 crypto1_destroy(traceCrypto1);
695 traceCrypto1 = NULL;
696 }
697
698 // check last used key
699 if (mfLastKey) {
700 if (NestedCheckKey(mfLastKey, &AuthData, cmd, cmdsize, parity)) {
701 PrintAndLog(" | * | key | last used key:%012"PRIx64" ks2:%08x ks3:%08x | |",
702 mfLastKey,
703 AuthData.ks2,
704 AuthData.ks3);
705
706 traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
707 };
708 }
709
710 // check default keys
711 if (!traceCrypto1) {
712 for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){
713 if (NestedCheckKey(MifareDefaultKeys[defaultKeyCounter], &AuthData, cmd, cmdsize, parity)) {
714 PrintAndLog(" | * | key | default key:%012"PRIx64" ks2:%08x ks3:%08x | |",
715 MifareDefaultKeys[defaultKeyCounter],
716 AuthData.ks2,
717 AuthData.ks3);
718
719 mfLastKey = MifareDefaultKeys[defaultKeyCounter];
720 traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
721 break;
722 };
723 }
724 }
725
726 // nested
727 if (!traceCrypto1 && validate_prng_nonce(AuthData.nt)) {
728 uint32_t ntx = prng_successor(AuthData.nt, 90);
729 for (int i = 0; i < 16383; i++) {
730 ntx = prng_successor(ntx, 1);
731 if (NTParityChk(&AuthData, ntx)){
732
733 uint32_t ks2 = AuthData.ar_enc ^ prng_successor(ntx, 64);
734 uint32_t ks3 = AuthData.at_enc ^ prng_successor(ntx, 96);
735 struct Crypto1State *pcs = lfsr_recovery64(ks2, ks3);
736 memcpy(mfData, cmd, cmdsize);
737 mf_crypto1_decrypt(pcs, mfData, cmdsize, 0);
738
739 crypto1_destroy(pcs);
740 if (CheckCrypto1Parity(cmd, cmdsize, mfData, parity) && CheckCrc14443(CRC_14443_A, mfData, cmdsize)) {
741 AuthData.ks2 = ks2;
742 AuthData.ks3 = ks3;
743
744 AuthData.nt = ntx;
745 mfLastKey = GetCrypto1ProbableKey(&AuthData);
746 PrintAndLog(" | * | key | nested probable key:%012"PRIx64" ks2:%08x ks3:%08x | |",
747 mfLastKey,
748 AuthData.ks2,
749 AuthData.ks3);
750
751 traceCrypto1 = lfsr_recovery64(AuthData.ks2, AuthData.ks3);
752 break;
753 }
754 }
755 }
756 }
757
758 //hardnested
759 if (!traceCrypto1) {
760 printf("hardnested not implemented. uid:%x nt:%x ar_enc:%x at_enc:%x\n", AuthData.uid, AuthData.nt, AuthData.ar_enc, AuthData.at_enc);
761 MifareAuthState = masError;
762
763 /* TOO SLOW( needs to have more strong filter. with this filter - aprox 4 mln tests
764 uint32_t t = msclock();
765 uint32_t t1 = t;
766 int n = 0;
767 for (uint32_t i = 0; i < 0xFFFFFFFF; i++) {
768 if (NTParityChk(&AuthData, i)){
769
770 uint32_t ks2 = AuthData.ar_enc ^ prng_successor(i, 64);
771 uint32_t ks3 = AuthData.at_enc ^ prng_successor(i, 96);
772 struct Crypto1State *pcs = lfsr_recovery64(ks2, ks3);
773
774
775
776
777 n++;
778
779 if (!(n % 100000)) {
780 printf("delta=%d n=%d ks2=%x ks3=%x \n", msclock() - t1 , n, ks2, ks3);
781 t1 = msclock();
782 }
783
784 }
785 }
786 printf("delta=%d n=%d\n", msclock() - t, n);
787 */
788 }
789 }
790
791
792
793 MifareAuthState = masData;
794 }
795
796 if (MifareAuthState == masData && traceCrypto1) {
797 memcpy(mfData, cmd, cmdsize);
798 mf_crypto1_decrypt(traceCrypto1, mfData, cmdsize, 0);
799 *mfDataLen = cmdsize;
800 }
801
802 return *mfDataLen > 0;
803 }
804
805
806 bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen) {
807 return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
808 }
809
810
811 bool next_record_is_response(uint16_t tracepos, uint8_t *trace) {
812 uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
813 return(next_records_datalen & 0x8000);
814 }
815
816
817 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) {
818
819 #define MAX_TOPAZ_READER_CMD_LEN 16
820
821 uint32_t last_timestamp = timestamp + *duration;
822
823 if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
824
825 memcpy(topaz_reader_command, frame, *data_len);
826
827 while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
828 uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
829 *tracepos += sizeof(uint32_t);
830 uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
831 *tracepos += sizeof(uint16_t);
832 uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
833 *tracepos += sizeof(uint16_t);
834 uint8_t *next_frame = (trace + *tracepos);
835 *tracepos += next_data_len;
836 if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
837 memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
838 *data_len += next_data_len;
839 last_timestamp = next_timestamp + next_duration;
840 } else {
841 // rewind and exit
842 *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
843 break;
844 }
845 uint16_t next_parity_len = (next_data_len-1)/8 + 1;
846 *tracepos += next_parity_len;
847 }
848
849 *duration = last_timestamp - timestamp;
850
851 return true;
852 }
853
854
855 uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes, uint32_t *prev_EOT, bool times_in_us) {
856 bool isResponse;
857 uint16_t data_len, parity_len;
858 uint32_t duration;
859 uint8_t topaz_reader_command[9];
860 uint32_t timestamp, first_timestamp;
861 uint32_t EndOfTransmissionTimestamp = 0;
862 char explanation[30] = {0};
863 uint8_t mfData[32] = {0};
864 size_t mfDataLen = 0;
865
866 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
867
868 first_timestamp = *((uint32_t *)(trace));
869 timestamp = *((uint32_t *)(trace + tracepos));
870
871 tracepos += 4;
872 duration = *((uint16_t *)(trace + tracepos));
873 tracepos += 2;
874 data_len = *((uint16_t *)(trace + tracepos));
875 tracepos += 2;
876
877 if (data_len & 0x8000) {
878 data_len &= 0x7fff;
879 isResponse = true;
880 } else {
881 isResponse = false;
882 }
883 parity_len = (data_len-1)/8 + 1;
884
885 if (tracepos + data_len + parity_len > traceLen) {
886 return traceLen;
887 }
888 uint8_t *frame = trace + tracepos;
889 tracepos += data_len;
890 uint8_t *parityBytes = trace + tracepos;
891 tracepos += parity_len;
892
893 if (protocol == TOPAZ && !isResponse) {
894 // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
895 // merge them:
896 if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
897 frame = topaz_reader_command;
898 }
899 }
900
901 // adjust for different time scales
902 if (protocol == ICLASS || protocol == ISO_15693) {
903 duration *= 32;
904 }
905
906 //Check the CRC status
907 uint8_t crcStatus = 2;
908
909 if (data_len > 2) {
910 switch (protocol) {
911 case ICLASS:
912 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
913 break;
914 case ISO_14443B:
915 case TOPAZ:
916 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
917 break;
918 case PROTO_MIFARE:
919 crcStatus = mifare_CRC_check(isResponse, frame, data_len);
920 break;
921 case ISO_14443A:
922 crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
923 break;
924 case ISO_14443_4:
925 crcStatus = iso14443_4_CRC_check(frame, data_len);
926 break;
927 case ISO_15693:
928 crcStatus = iso15693_CRC_check(frame, data_len);
929 break;
930 default:
931 break;
932 }
933 }
934 //0 CRC-command, CRC not ok
935 //1 CRC-command, CRC ok
936 //2 Not crc-command
937
938 //--- Draw the data column
939 char line[16][110];
940
941 for (int j = 0; j < data_len && j/16 < 16; j++) {
942 uint8_t parityBits = parityBytes[j>>3];
943 if (protocol != ISO_14443B
944 && protocol != ISO_15693
945 && protocol != ICLASS
946 && protocol != ISO_7816_4
947 && (isResponse || protocol == ISO_14443A)
948 && (oddparity8(frame[j]) != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
949 snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x!", frame[j]);
950 } else {
951 snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x ", frame[j]);
952 }
953 }
954
955 if (markCRCBytes) {
956 if (crcStatus == 0 || crcStatus == 1) { //CRC-command
957 char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
958 (*pos1) = '[';
959 char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
960 sprintf(pos2, "%c", ']');
961 }
962 }
963
964 // mark short bytes (less than 8 Bit + Parity)
965 if (protocol == ISO_14443A || protocol == PROTO_MIFARE) {
966 if (duration < 128 * (9 * data_len)) {
967 line[(data_len-1)/16][((data_len-1)%16) * 4 + 3] = '\'';
968 }
969 }
970
971 if (data_len == 0) {
972 if (protocol == ICLASS && duration == 2048) {
973 sprintf(line[0], " <SOF>");
974 } else if (protocol == ISO_15693 && duration == 512) {
975 sprintf(line[0], " <EOF>");
976 } else {
977 sprintf(line[0], " <empty trace - possible error>");
978 }
979 }
980
981 //--- Draw the CRC column
982 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
983
984 if (protocol == PROTO_MIFARE)
985 annotateMifare(explanation, sizeof(explanation), frame, data_len, parityBytes, parity_len, isResponse);
986
987 if (!isResponse) {
988 switch(protocol) {
989 case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
990 case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
991 case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
992 case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
993 case ISO_15693: annotateIso15693(explanation,sizeof(explanation),frame,data_len); break;
994 case ISO_7816_4: annotateIso7816(explanation, sizeof(explanation), frame, data_len); break;
995 case ISO_14443_4: annotateIso14443_4(explanation, sizeof(explanation), frame, data_len); break;
996 default: break;
997 }
998 }
999
1000 uint32_t previousEndOfTransmissionTimestamp = 0;
1001 if (prev_EOT) {
1002 if (*prev_EOT) {
1003 previousEndOfTransmissionTimestamp = *prev_EOT;
1004 } else {
1005 previousEndOfTransmissionTimestamp = timestamp;
1006 }
1007 }
1008 EndOfTransmissionTimestamp = timestamp + duration;
1009 if (prev_EOT) *prev_EOT = EndOfTransmissionTimestamp;
1010
1011 int num_lines = MIN((data_len - 1)/16 + 1, 16);
1012 for (int j = 0; j < num_lines ; j++) {
1013 if (j == 0) {
1014 uint32_t time1 = timestamp - first_timestamp;
1015 uint32_t time2 = EndOfTransmissionTimestamp - first_timestamp;
1016 if (prev_EOT) {
1017 time1 = timestamp - previousEndOfTransmissionTimestamp;
1018 time2 = duration;
1019 }
1020 if (times_in_us) {
1021 PrintAndLog(" %10.1f | %10.1f | %s |%-64s | %s| %s",
1022 (float)time1/13.56,
1023 (float)time2/13.56,
1024 isResponse ? "Tag" : "Rdr",
1025 line[j],
1026 (j == num_lines-1) ? crc : " ",
1027 (j == num_lines-1) ? explanation : "");
1028 } else {
1029 PrintAndLog(" %10" PRIu32 " | %10" PRIu32 " | %s |%-64s | %s| %s",
1030 time1,
1031 time2,
1032 isResponse ? "Tag" : "Rdr",
1033 line[j],
1034 (j == num_lines-1) ? crc : " ",
1035 (j == num_lines-1) ? explanation : "");
1036 }
1037 } else {
1038 PrintAndLog(" | | |%-64s | %s| %s",
1039 line[j],
1040 (j == num_lines-1) ? crc : " ",
1041 (j == num_lines-1) ? explanation : "");
1042 }
1043 }
1044
1045 if (DecodeMifareData(frame, data_len, parityBytes, isResponse, mfData, &mfDataLen)) {
1046 memset(explanation, 0x00, sizeof(explanation));
1047 if (!isResponse) {
1048 explanation[0] = '>';
1049 annotateIso14443a(&explanation[1], sizeof(explanation) - 1, mfData, mfDataLen);
1050 }
1051 uint8_t crcc = iso14443A_CRC_check(isResponse, mfData, mfDataLen);
1052 PrintAndLog(" | * | dec |%-64s | %-4s| %s",
1053 sprint_hex(mfData, mfDataLen),
1054 (crcc == 0 ? "!crc" : (crcc == 1 ? " ok " : " ")),
1055 (true) ? explanation : "");
1056 };
1057
1058 if (is_last_record(tracepos, trace, traceLen)) return traceLen;
1059
1060 if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
1061 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
1062
1063 PrintAndLog(" %10d | %10d | %s | fdt (Frame Delay Time): %d",
1064 (EndOfTransmissionTimestamp - first_timestamp),
1065 (next_timestamp - first_timestamp),
1066 " ",
1067 (next_timestamp - EndOfTransmissionTimestamp));
1068 }
1069
1070 return tracepos;
1071 }
1072
1073
1074 int CmdHFList(const char *Cmd) {
1075
1076 CLIParserInit("hf list", "\nList or save protocol data.",
1077 "examples: hf list 14a -f -- interpret as ISO14443A communication and display Frame Delay Times\n"\
1078 " hf list iclass -- interpret as iClass trace\n"\
1079 " hf list -s myCardTrace.trc -- save trace for later use\n"\
1080 " hf list 14a -l myCardTrace.trc -- load trace and interpret as ISO14443A communication\n");
1081 void* argtable[] = {
1082 arg_param_begin,
1083 arg_lit0("f", "fdt", "display fdt (frame delay times)"),
1084 arg_lit0("r", "relative", "show relative times (gap and duration)"),
1085 arg_lit0("c", "crc" , "mark CRC bytes"),
1086 arg_lit0("p", "pcsc", "show trace buffer from PCSC card reader instead of PM3"),
1087 arg_str0("l", "load", "<filename>", "load trace from file"),
1088 arg_str0("s", "save", "<filename>", "save trace to file"),
1089 arg_lit0("u", "us", "display times in microseconds instead of clock cycles"),
1090 arg_str0(NULL, NULL, "<protocol>", "protocol to interpret. Possible values:\n"\
1091 "\traw - just show raw data without annotations (default)\n"\
1092 "\t14a - interpret data as ISO14443A communications\n"\
1093 "\tmf - interpret data as ISO14443A communications and decrypt Mifare Crypto1 stream\n"\
1094 "\t14b - interpret data as ISO14443B communications\n"\
1095 "\t15 - interpret data as ISO15693 communications\n"\
1096 "\ticlass - interpret data as iClass communications\n"\
1097 "\ttopaz - interpret data as Topaz communications\n"\
1098 "\t7816 - interpret data as 7816-4 APDU communications\n"\
1099 "\t14-4 - interpret data as ISO14443-4 communications"),
1100 arg_param_end
1101 };
1102
1103 if (CLIParserParseString(Cmd, argtable, arg_getsize(argtable), true)){
1104 CLIParserFree();
1105 return 0;
1106 }
1107
1108 bool showWaitCycles = arg_get_lit(1);
1109 bool relative_times = arg_get_lit(2);
1110 bool markCRCBytes = arg_get_lit(3);
1111 bool PCSCtrace = arg_get_lit(4);
1112 bool loadFromFile = arg_get_str_len(5);
1113 bool saveToFile = arg_get_str_len(6);
1114 bool times_in_us = arg_get_lit(7);
1115
1116 uint32_t previous_EOT = 0;
1117 uint32_t *prev_EOT = NULL;
1118 if (relative_times) {
1119 prev_EOT = &previous_EOT;
1120 }
1121
1122 char load_filename[FILE_PATH_SIZE] = {0};
1123 if (loadFromFile) {
1124 strncpy(load_filename, arg_get_str(5)->sval[0], FILE_PATH_SIZE);
1125 }
1126 char save_filename[FILE_PATH_SIZE] = {0};
1127 if (saveToFile) {
1128 strncpy(save_filename, arg_get_str(6)->sval[0], FILE_PATH_SIZE);
1129 }
1130
1131 uint8_t protocol = -1;
1132 if (arg_get_str_len(8)) {
1133 if (strcmp(arg_get_str(8)->sval[0], "iclass") == 0) protocol = ICLASS;
1134 else if(strcmp(arg_get_str(8)->sval[0], "14a") == 0) protocol = ISO_14443A;
1135 else if(strcmp(arg_get_str(8)->sval[0], "mf") == 0) protocol = PROTO_MIFARE;
1136 else if(strcmp(arg_get_str(8)->sval[0], "14b") == 0) protocol = ISO_14443B;
1137 else if(strcmp(arg_get_str(8)->sval[0], "topaz") == 0) protocol = TOPAZ;
1138 else if(strcmp(arg_get_str(8)->sval[0], "7816") == 0) protocol = ISO_7816_4;
1139 else if(strcmp(arg_get_str(8)->sval[0], "14-4") == 0) protocol = ISO_14443_4;
1140 else if(strcmp(arg_get_str(8)->sval[0], "15") == 0) protocol = ISO_15693;
1141 else if(strcmp(arg_get_str(8)->sval[0], "raw") == 0) protocol = -1;//No crc, no annotations
1142 else {
1143 PrintAndLog("hf list: invalid argument \"%s\"\nTry 'hf list --help' for more information.", arg_get_str(8)->sval[0]);
1144 CLIParserFree();
1145 return 0;
1146 }
1147 }
1148
1149 CLIParserFree();
1150
1151
1152 uint8_t *trace;
1153 uint32_t tracepos = 0;
1154 uint32_t traceLen = 0;
1155
1156 if (loadFromFile) {
1157 #define TRACE_CHUNK_SIZE (1<<16) // 64K to start with. Will be enough for BigBuf and some room for future extensions
1158 FILE *tracefile = NULL;
1159 size_t bytes_read;
1160 trace = malloc(TRACE_CHUNK_SIZE);
1161 if (trace == NULL) {
1162 PrintAndLog("Cannot allocate memory for trace");
1163 return 2;
1164 }
1165 if ((tracefile = fopen(load_filename,"rb")) == NULL) {
1166 PrintAndLog("Could not open file %s", load_filename);
1167 free(trace);
1168 return 0;
1169 }
1170 while (!feof(tracefile)) {
1171 bytes_read = fread(trace+traceLen, 1, TRACE_CHUNK_SIZE, tracefile);
1172 traceLen += bytes_read;
1173 if (!feof(tracefile)) {
1174 uint8_t *p = realloc(trace, traceLen + TRACE_CHUNK_SIZE);
1175 if (p == NULL) {
1176 PrintAndLog("Cannot allocate memory for trace");
1177 free(trace);
1178 fclose(tracefile);
1179 return 2;
1180 }
1181 trace = p;
1182 }
1183 }
1184 fclose(tracefile);
1185 } else if (PCSCtrace) {
1186 trace = pcsc_get_trace_addr();
1187 traceLen = pcsc_get_traceLen();
1188 } else {
1189 trace = malloc(USB_CMD_DATA_SIZE);
1190 // Query for the size of the trace
1191 UsbCommand response;
1192 if (!(GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0, &response, 500, false))) {
1193 return 1;
1194 }
1195 traceLen = response.arg[2];
1196 if (traceLen > USB_CMD_DATA_SIZE) {
1197 uint8_t *p = realloc(trace, traceLen);
1198 if (p == NULL) {
1199 PrintAndLog("Cannot allocate memory for trace");
1200 free(trace);
1201 return 2;
1202 }
1203 trace = p;
1204 if (!(GetFromBigBuf(trace, traceLen, 0, NULL, 500, false))) {
1205 return 1;
1206 }
1207 }
1208 }
1209
1210 if (saveToFile) {
1211 FILE *tracefile = NULL;
1212 if ((tracefile = fopen(save_filename,"wb")) == NULL) {
1213 PrintAndLog("Could not create file %s", save_filename);
1214 return 1;
1215 }
1216 fwrite(trace, 1, traceLen, tracefile);
1217 PrintAndLog("Recorded Activity (TraceLen = %d bytes) written to file %s", traceLen, save_filename);
1218 fclose(tracefile);
1219 } else {
1220 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
1221 PrintAndLog("");
1222 if (relative_times) {
1223 PrintAndLog("Gap = time between transfers. Duration = duration of data transfer. Src = Source of transfer");
1224 } else {
1225 PrintAndLog("Start = Start of Frame, End = End of Frame. Src = Source of transfer");
1226 }
1227 if (times_in_us) {
1228 PrintAndLog("All times are in microseconds");
1229 } else {
1230 PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
1231 }
1232 PrintAndLog("");
1233 if (relative_times) {
1234 PrintAndLog(" Gap | Duration | Src | Data (! denotes parity error, ' denotes short bytes) | CRC | Annotation |");
1235 } else {
1236 PrintAndLog(" Start | End | Src | Data (! denotes parity error, ' denotes short bytes) | CRC | Annotation |");
1237 }
1238 PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
1239
1240 ClearAuthData();
1241 while(tracepos < traceLen) {
1242 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes, prev_EOT, times_in_us);
1243 }
1244 }
1245
1246 free(trace);
1247 return 0;
1248 }
1249
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