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[proxmark3-svn] / client / cmdhfmf.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2011,2012 Merlok
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 MIFARE commands
9 //-----------------------------------------------------------------------------
10
11 #include "cmdhfmf.h"
12 #include "nonce2key/nonce2key.h"
13
14 static int CmdHelp(const char *Cmd);
15
16 int CmdHF14AMifare(const char *Cmd)
17 {
18 uint32_t uid = 0;
19 uint32_t nt = 0, nr = 0;
20 uint64_t par_list = 0, ks_list = 0, r_key = 0;
21 int16_t isOK = 0;
22
23 UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}};
24
25 // message
26 printf("-------------------------------------------------------------------------\n");
27 printf("Executing command. Expected execution time: 25sec on average :-)\n");
28 printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");
29 printf("-------------------------------------------------------------------------\n");
30
31
32 start:
33 clearCommandBuffer();
34 SendCommand(&c);
35
36 //flush queue
37 while (ukbhit()) getchar();
38
39 // wait cycle
40 while (true) {
41 printf(".");
42 fflush(stdout);
43 if (ukbhit()) {
44 getchar();
45 printf("\naborted via keyboard!\n");
46 break;
47 }
48
49 UsbCommand resp;
50 if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
51 isOK = resp.arg[0];
52 uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);
53 nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);
54 par_list = bytes_to_num(resp.d.asBytes + 8, 8);
55 ks_list = bytes_to_num(resp.d.asBytes + 16, 8);
56 nr = bytes_to_num(resp.d.asBytes + 24, 4);
57 printf("\n\n");
58 switch (isOK) {
59 case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;
60 case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;
61 case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;
62 case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
63 PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;
64 default: ;
65 }
66 break;
67 }
68 }
69
70 printf("\n");
71
72 // error
73 if (isOK != 1) return 1;
74
75 // execute original function from util nonce2key
76 if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) {
77 isOK = 2;
78 PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);
79 PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");
80 c.arg[0] = false;
81 goto start;
82 } else {
83 isOK = 0;
84 printf("------------------------------------------------------------------\n");
85 PrintAndLog("Found valid key: %012"llx" \n", r_key);
86 }
87
88 PrintAndLog("");
89 return 0;
90 }
91
92 int CmdHF14AMfWrBl(const char *Cmd)
93 {
94 uint8_t blockNo = 0;
95 uint8_t keyType = 0;
96 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
97 uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
98
99 char cmdp = 0x00;
100
101 if (strlen(Cmd)<3) {
102 PrintAndLog("Usage: hf mf wrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
103 PrintAndLog(" sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
104 return 0;
105 }
106
107 blockNo = param_get8(Cmd, 0);
108 cmdp = param_getchar(Cmd, 1);
109 if (cmdp == 0x00) {
110 PrintAndLog("Key type must be A or B");
111 return 1;
112 }
113 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
114 if (param_gethex(Cmd, 2, key, 12)) {
115 PrintAndLog("Key must include 12 HEX symbols");
116 return 1;
117 }
118 if (param_gethex(Cmd, 3, bldata, 32)) {
119 PrintAndLog("Block data must include 32 HEX symbols");
120 return 1;
121 }
122 PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
123 PrintAndLog("--data: %s", sprint_hex(bldata, 16));
124
125 UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
126 memcpy(c.d.asBytes, key, 6);
127 memcpy(c.d.asBytes + 10, bldata, 16);
128 SendCommand(&c);
129
130 UsbCommand resp;
131 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
132 uint8_t isOK = resp.arg[0] & 0xff;
133 PrintAndLog("isOk:%02x", isOK);
134 } else {
135 PrintAndLog("Command execute timeout");
136 }
137
138 return 0;
139 }
140
141 int CmdHF14AMfRdBl(const char *Cmd)
142 {
143 uint8_t blockNo = 0;
144 uint8_t keyType = 0;
145 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
146
147 char cmdp = 0x00;
148
149
150 if (strlen(Cmd)<3) {
151 PrintAndLog("Usage: hf mf rdbl <block number> <key A/B> <key (12 hex symbols)>");
152 PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF ");
153 return 0;
154 }
155
156 blockNo = param_get8(Cmd, 0);
157 cmdp = param_getchar(Cmd, 1);
158 if (cmdp == 0x00) {
159 PrintAndLog("Key type must be A or B");
160 return 1;
161 }
162 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
163 if (param_gethex(Cmd, 2, key, 12)) {
164 PrintAndLog("Key must include 12 HEX symbols");
165 return 1;
166 }
167 PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));
168
169 UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
170 memcpy(c.d.asBytes, key, 6);
171 SendCommand(&c);
172
173 UsbCommand resp;
174 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
175 uint8_t isOK = resp.arg[0] & 0xff;
176 uint8_t *data = resp.d.asBytes;
177
178 if (isOK)
179 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
180 else
181 PrintAndLog("isOk:%02x", isOK);
182 } else {
183 PrintAndLog("Command execute timeout");
184 }
185
186 return 0;
187 }
188
189 int CmdHF14AMfRdSc(const char *Cmd)
190 {
191 int i;
192 uint8_t sectorNo = 0;
193 uint8_t keyType = 0;
194 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
195 uint8_t isOK = 0;
196 uint8_t *data = NULL;
197 char cmdp = 0x00;
198
199 if (strlen(Cmd)<3) {
200 PrintAndLog("Usage: hf mf rdsc <sector number> <key A/B> <key (12 hex symbols)>");
201 PrintAndLog(" sample: hf mf rdsc 0 A FFFFFFFFFFFF ");
202 return 0;
203 }
204
205 sectorNo = param_get8(Cmd, 0);
206 if (sectorNo > 39) {
207 PrintAndLog("Sector number must be less than 40");
208 return 1;
209 }
210 cmdp = param_getchar(Cmd, 1);
211 if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {
212 PrintAndLog("Key type must be A or B");
213 return 1;
214 }
215 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
216 if (param_gethex(Cmd, 2, key, 12)) {
217 PrintAndLog("Key must include 12 HEX symbols");
218 return 1;
219 }
220 PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));
221
222 UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
223 memcpy(c.d.asBytes, key, 6);
224 SendCommand(&c);
225 PrintAndLog(" ");
226
227 UsbCommand resp;
228 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
229 isOK = resp.arg[0] & 0xff;
230 data = resp.d.asBytes;
231
232 PrintAndLog("isOk:%02x", isOK);
233 if (isOK) {
234 for (i = 0; i < (sectorNo<32?3:15); i++) {
235 PrintAndLog("data : %s", sprint_hex(data + i * 16, 16));
236 }
237 PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));
238 }
239 } else {
240 PrintAndLog("Command execute timeout");
241 }
242
243 return 0;
244 }
245
246 uint8_t FirstBlockOfSector(uint8_t sectorNo)
247 {
248 if (sectorNo < 32) {
249 return sectorNo * 4;
250 } else {
251 return 32 * 4 + (sectorNo - 32) * 16;
252 }
253 }
254
255 uint8_t NumBlocksPerSector(uint8_t sectorNo)
256 {
257 if (sectorNo < 32) {
258 return 4;
259 } else {
260 return 16;
261 }
262 }
263
264 int CmdHF14AMfDump(const char *Cmd)
265 {
266 uint8_t sectorNo, blockNo;
267
268 uint8_t keyA[40][6];
269 uint8_t keyB[40][6];
270 uint8_t rights[40][4];
271 uint8_t carddata[256][16];
272 uint8_t numSectors = 16;
273
274 FILE *fin;
275 FILE *fout;
276
277 UsbCommand resp;
278
279 char cmdp = param_getchar(Cmd, 0);
280 switch (cmdp) {
281 case '0' : numSectors = 5; break;
282 case '1' :
283 case '\0': numSectors = 16; break;
284 case '2' : numSectors = 32; break;
285 case '4' : numSectors = 40; break;
286 default: numSectors = 16;
287 }
288
289 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
290 PrintAndLog("Usage: hf mf dump [card memory]");
291 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
292 PrintAndLog("");
293 PrintAndLog("Samples: hf mf dump");
294 PrintAndLog(" hf mf dump 4");
295 return 0;
296 }
297
298 if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {
299 PrintAndLog("Could not find file dumpkeys.bin");
300 return 1;
301 }
302
303 // Read keys A from file
304 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
305 if (fread( keyA[sectorNo], 1, 6, fin ) == 0) {
306 PrintAndLog("File reading error.");
307 fclose(fin);
308 return 2;
309 }
310 }
311
312 // Read keys B from file
313 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
314 if (fread( keyB[sectorNo], 1, 6, fin ) == 0) {
315 PrintAndLog("File reading error.");
316 fclose(fin);
317 return 2;
318 }
319 }
320
321 fclose(fin);
322
323 PrintAndLog("|-----------------------------------------|");
324 PrintAndLog("|------ Reading sector access bits...-----|");
325 PrintAndLog("|-----------------------------------------|");
326
327 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
328 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};
329 memcpy(c.d.asBytes, keyA[sectorNo], 6);
330 SendCommand(&c);
331
332 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
333 uint8_t isOK = resp.arg[0] & 0xff;
334 uint8_t *data = resp.d.asBytes;
335 if (isOK){
336 rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0
337 rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1
338 rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2
339 rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer
340 } else {
341 PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);
342 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
343 rights[sectorNo][3] = 0x01;
344 }
345 } else {
346 PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);
347 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
348 rights[sectorNo][3] = 0x01;
349 }
350 }
351
352 PrintAndLog("|-----------------------------------------|");
353 PrintAndLog("|----- Dumping all blocks to file... -----|");
354 PrintAndLog("|-----------------------------------------|");
355
356 bool isOK = true;
357 for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
358 for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
359 bool received = false;
360
361 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A.
362 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
363 memcpy(c.d.asBytes, keyA[sectorNo], 6);
364 SendCommand(&c);
365 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
366 } else { // data block. Check if it can be read with key A or key B
367 uint8_t data_area = sectorNo<32?blockNo:blockNo/5;
368 if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work
369 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
370 memcpy(c.d.asBytes, keyB[sectorNo], 6);
371 SendCommand(&c);
372 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
373 } else if (rights[sectorNo][data_area] == 0x07) { // no key would work
374 isOK = false;
375 PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);
376 } else { // key A would work
377 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
378 memcpy(c.d.asBytes, keyA[sectorNo], 6);
379 SendCommand(&c);
380 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
381 }
382 }
383
384 if (received) {
385 isOK = resp.arg[0] & 0xff;
386 uint8_t *data = resp.d.asBytes;
387 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys.
388 data[0] = (keyA[sectorNo][0]);
389 data[1] = (keyA[sectorNo][1]);
390 data[2] = (keyA[sectorNo][2]);
391 data[3] = (keyA[sectorNo][3]);
392 data[4] = (keyA[sectorNo][4]);
393 data[5] = (keyA[sectorNo][5]);
394 data[10] = (keyB[sectorNo][0]);
395 data[11] = (keyB[sectorNo][1]);
396 data[12] = (keyB[sectorNo][2]);
397 data[13] = (keyB[sectorNo][3]);
398 data[14] = (keyB[sectorNo][4]);
399 data[15] = (keyB[sectorNo][5]);
400 }
401 if (isOK) {
402 memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);
403 PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);
404 } else {
405 PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);
406 break;
407 }
408 }
409 else {
410 isOK = false;
411 PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);
412 break;
413 }
414 }
415 }
416
417 if (isOK) {
418 if ((fout = fopen("dumpdata.bin","wb")) == NULL) {
419 PrintAndLog("Could not create file name dumpdata.bin");
420 return 1;
421 }
422 uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);
423 fwrite(carddata, 1, 16*numblocks, fout);
424 fclose(fout);
425 PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);
426 }
427
428 return 0;
429 }
430
431 int CmdHF14AMfRestore(const char *Cmd)
432 {
433 uint8_t sectorNo,blockNo;
434 uint8_t keyType = 0;
435 uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
436 uint8_t bldata[16] = {0x00};
437 uint8_t keyA[40][6];
438 uint8_t keyB[40][6];
439 uint8_t numSectors;
440
441 FILE *fdump;
442 FILE *fkeys;
443
444 char cmdp = param_getchar(Cmd, 0);
445 switch (cmdp) {
446 case '0' : numSectors = 5; break;
447 case '1' :
448 case '\0': numSectors = 16; break;
449 case '2' : numSectors = 32; break;
450 case '4' : numSectors = 40; break;
451 default: numSectors = 16;
452 }
453
454 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
455 PrintAndLog("Usage: hf mf restore [card memory]");
456 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
457 PrintAndLog("");
458 PrintAndLog("Samples: hf mf restore");
459 PrintAndLog(" hf mf restore 4");
460 return 0;
461 }
462
463 if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
464 PrintAndLog("Could not find file dumpkeys.bin");
465 return 1;
466 }
467
468 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
469 if (fread(keyA[sectorNo], 1, 6, fkeys) == 0) {
470 PrintAndLog("File reading error (dumpkeys.bin).");
471
472 fclose(fkeys);
473 return 2;
474 }
475 }
476
477 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
478 if (fread(keyB[sectorNo], 1, 6, fkeys) == 0) {
479 PrintAndLog("File reading error (dumpkeys.bin).");
480 fclose(fkeys);
481 return 2;
482 }
483 }
484
485 fclose(fkeys);
486
487 if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {
488 PrintAndLog("Could not find file dumpdata.bin");
489 return 1;
490 }
491 PrintAndLog("Restoring dumpdata.bin to card");
492
493 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
494 for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
495 UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};
496 memcpy(c.d.asBytes, key, 6);
497
498 if (fread(bldata, 1, 16, fdump) == 0) {
499 PrintAndLog("File reading error (dumpdata.bin).");
500 fclose(fdump);
501 return 2;
502 }
503
504 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer
505 bldata[0] = (keyA[sectorNo][0]);
506 bldata[1] = (keyA[sectorNo][1]);
507 bldata[2] = (keyA[sectorNo][2]);
508 bldata[3] = (keyA[sectorNo][3]);
509 bldata[4] = (keyA[sectorNo][4]);
510 bldata[5] = (keyA[sectorNo][5]);
511 bldata[10] = (keyB[sectorNo][0]);
512 bldata[11] = (keyB[sectorNo][1]);
513 bldata[12] = (keyB[sectorNo][2]);
514 bldata[13] = (keyB[sectorNo][3]);
515 bldata[14] = (keyB[sectorNo][4]);
516 bldata[15] = (keyB[sectorNo][5]);
517 }
518
519 PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));
520
521 memcpy(c.d.asBytes + 10, bldata, 16);
522 SendCommand(&c);
523
524 UsbCommand resp;
525 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
526 uint8_t isOK = resp.arg[0] & 0xff;
527 PrintAndLog("isOk:%02x", isOK);
528 } else {
529 PrintAndLog("Command execute timeout");
530 }
531 }
532 }
533
534 fclose(fdump);
535 return 0;
536 }
537
538 int CmdHF14AMfNested(const char *Cmd)
539 {
540 int i, j, res, iterations;
541 sector *e_sector = NULL;
542 uint8_t blockNo = 0;
543 uint8_t keyType = 0;
544 uint8_t trgBlockNo = 0;
545 uint8_t trgKeyType = 0;
546 uint8_t SectorsCnt = 0;
547 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
548 uint8_t keyBlock[14*6];
549 uint64_t key64 = 0;
550 bool transferToEml = false;
551
552 bool createDumpFile = false;
553 FILE *fkeys;
554 uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
555 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
556
557 char cmdp, ctmp;
558
559 if (strlen(Cmd)<3) {
560 PrintAndLog("Usage:");
561 PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t,d]");
562 PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)>");
563 PrintAndLog(" <target block number> <target key A/B> [t]");
564 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
565 PrintAndLog("t - transfer keys into emulator memory");
566 PrintAndLog("d - write keys to binary file");
567 PrintAndLog(" ");
568 PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");
569 PrintAndLog(" sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");
570 PrintAndLog(" sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");
571 PrintAndLog(" sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");
572 return 0;
573 }
574
575 cmdp = param_getchar(Cmd, 0);
576 blockNo = param_get8(Cmd, 1);
577 ctmp = param_getchar(Cmd, 2);
578
579 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
580 PrintAndLog("Key type must be A or B");
581 return 1;
582 }
583
584 if (ctmp != 'A' && ctmp != 'a')
585 keyType = 1;
586
587 if (param_gethex(Cmd, 3, key, 12)) {
588 PrintAndLog("Key must include 12 HEX symbols");
589 return 1;
590 }
591
592 if (cmdp == 'o' || cmdp == 'O') {
593 cmdp = 'o';
594 trgBlockNo = param_get8(Cmd, 4);
595 ctmp = param_getchar(Cmd, 5);
596 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
597 PrintAndLog("Target key type must be A or B");
598 return 1;
599 }
600 if (ctmp != 'A' && ctmp != 'a')
601 trgKeyType = 1;
602 } else {
603
604 switch (cmdp) {
605 case '0': SectorsCnt = 05; break;
606 case '1': SectorsCnt = 16; break;
607 case '2': SectorsCnt = 32; break;
608 case '4': SectorsCnt = 40; break;
609 default: SectorsCnt = 16;
610 }
611 }
612
613 ctmp = param_getchar(Cmd, 4);
614 if (ctmp == 't' || ctmp == 'T') transferToEml = true;
615 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = true;
616
617 ctmp = param_getchar(Cmd, 6);
618 transferToEml |= (ctmp == 't' || ctmp == 'T');
619 transferToEml |= (ctmp == 'd' || ctmp == 'D');
620
621 if (cmdp == 'o') {
622 PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');
623 int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);
624 if (isOK) {
625 switch (isOK) {
626 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
627 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
628 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
629 default : PrintAndLog("Unknown Error.\n");
630 }
631 return 2;
632 }
633 key64 = bytes_to_num(keyBlock, 6);
634 if (key64) {
635 PrintAndLog("Found valid key:%012"llx, key64);
636
637 // transfer key to the emulator
638 if (transferToEml) {
639 uint8_t sectortrailer;
640 if (trgBlockNo < 32*4) { // 4 block sector
641 sectortrailer = (trgBlockNo & 0x03) + 3;
642 } else { // 16 block sector
643 sectortrailer = (trgBlockNo & 0x0f) + 15;
644 }
645 mfEmlGetMem(keyBlock, sectortrailer, 1);
646
647 if (!trgKeyType)
648 num_to_bytes(key64, 6, keyBlock);
649 else
650 num_to_bytes(key64, 6, &keyBlock[10]);
651 mfEmlSetMem(keyBlock, sectortrailer, 1);
652 }
653 } else {
654 PrintAndLog("No valid key found");
655 }
656 }
657 else { // ------------------------------------ multiple sectors working
658 clock_t time1;
659 time1 = clock();
660
661 e_sector = calloc(SectorsCnt, sizeof(sector));
662 if (e_sector == NULL) return 1;
663
664 //test current key and additional standard keys first
665 memcpy(keyBlock, key, 6);
666 num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 1 * 6));
667 num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 2 * 6));
668 num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 3 * 6));
669 num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 4 * 6));
670 num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 5 * 6));
671 num_to_bytes(0x4d3a99c351dd, 6, (uint8_t*)(keyBlock + 6 * 6));
672 num_to_bytes(0x1a982c7e459a, 6, (uint8_t*)(keyBlock + 7 * 6));
673 num_to_bytes(0xd3f7d3f7d3f7, 6, (uint8_t*)(keyBlock + 8 * 6));
674 num_to_bytes(0x714c5c886e97, 6, (uint8_t*)(keyBlock + 9 * 6));
675 num_to_bytes(0x587ee5f9350f, 6, (uint8_t*)(keyBlock + 10 * 6));
676 num_to_bytes(0xa0478cc39091, 6, (uint8_t*)(keyBlock + 11 * 6));
677 num_to_bytes(0x533cb6c723f6, 6, (uint8_t*)(keyBlock + 12 * 6));
678 num_to_bytes(0x8fd0a4f256e9, 6, (uint8_t*)(keyBlock + 13 * 6));
679
680 PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
681 for (i = 0; i < SectorsCnt; i++) {
682 for (j = 0; j < 2; j++) {
683 if (e_sector[i].foundKey[j]) continue;
684
685 res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64);
686
687 if (!res) {
688 e_sector[i].Key[j] = key64;
689 e_sector[i].foundKey[j] = 1;
690 }
691 }
692 }
693
694 // nested sectors
695 iterations = 0;
696 PrintAndLog("nested...");
697 bool calibrate = true;
698 for (i = 0; i < NESTED_SECTOR_RETRY; i++) {
699 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
700 for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {
701 if (e_sector[sectorNo].foundKey[trgKeyType]) continue;
702 PrintAndLog("-----------------------------------------------");
703 int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);
704 if(isOK) {
705 switch (isOK) {
706 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
707 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
708 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
709 default : PrintAndLog("Unknown Error.\n");
710 }
711 free(e_sector);
712 return 2;
713 } else {
714 calibrate = false;
715 }
716
717 iterations++;
718
719 key64 = bytes_to_num(keyBlock, 6);
720 if (key64) {
721 PrintAndLog("Found valid key:%012"llx, key64);
722 e_sector[sectorNo].foundKey[trgKeyType] = 1;
723 e_sector[sectorNo].Key[trgKeyType] = key64;
724 }
725 }
726 }
727 }
728
729 printf("Time in nested: %1.3f (%1.3f sec per key)\n\n", ((float)clock() - time1)/CLOCKS_PER_SEC, ((float)clock() - time1)/iterations/CLOCKS_PER_SEC);
730
731 PrintAndLog("-----------------------------------------------\nIterations count: %d\n\n", iterations);
732 //print them
733 PrintAndLog("|---|----------------|---|----------------|---|");
734 PrintAndLog("|sec|key A |res|key B |res|");
735 PrintAndLog("|---|----------------|---|----------------|---|");
736 for (i = 0; i < SectorsCnt; i++) {
737 PrintAndLog("|%03d| %012"llx" | %d | %012"llx" | %d |", i,
738 e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);
739 }
740 PrintAndLog("|---|----------------|---|----------------|---|");
741
742 // transfer them to the emulator
743 if (transferToEml) {
744 for (i = 0; i < SectorsCnt; i++) {
745 mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
746 if (e_sector[i].foundKey[0])
747 num_to_bytes(e_sector[i].Key[0], 6, keyBlock);
748 if (e_sector[i].foundKey[1])
749 num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);
750 mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
751 }
752 }
753
754 // Create dump file
755 if (createDumpFile) {
756 if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
757 PrintAndLog("Could not create file dumpkeys.bin");
758 free(e_sector);
759 return 1;
760 }
761 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
762 for(i=0; i<SectorsCnt; i++) {
763 if (e_sector[i].foundKey[0]){
764 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
765 fwrite ( tempkey, 1, 6, fkeys );
766 }
767 else{
768 fwrite ( &standart, 1, 6, fkeys );
769 }
770 }
771 for(i=0; i<SectorsCnt; i++) {
772 if (e_sector[i].foundKey[1]){
773 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
774 fwrite ( tempkey, 1, 6, fkeys );
775 }
776 else{
777 fwrite ( &standart, 1, 6, fkeys );
778 }
779 }
780 fclose(fkeys);
781 }
782
783 free(e_sector);
784 }
785 return 0;
786 }
787
788 int CmdHF14AMfChk(const char *Cmd)
789 {
790 if (strlen(Cmd)<3) {
791 PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d] [<key (12 hex symbols)>] [<dic (*.dic)>]");
792 PrintAndLog(" * - all sectors");
793 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
794 PrintAndLog("d - write keys to binary file");
795 PrintAndLog("t - write keys to emulator memory\n");
796 PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic");
797 PrintAndLog(" hf mf chk *1 ? t");
798 PrintAndLog(" hf mf chk *1 ? d");
799 return 0;
800 }
801
802 FILE * f;
803 char filename[FILE_PATH_SIZE]={0};
804 char buf[13];
805 uint8_t *keyBlock = NULL, *p;
806 uint8_t stKeyBlock = 20;
807
808 int i, res;
809 int keycnt = 0;
810 char ctmp = 0x00;
811 uint8_t blockNo = 0;
812 uint8_t SectorsCnt = 1;
813 uint8_t keyType = 0;
814 uint64_t key64 = 0;
815
816 int transferToEml = 0;
817 int createDumpFile = 0;
818
819 keyBlock = calloc(stKeyBlock, 6);
820 if (keyBlock == NULL) return 1;
821
822 uint64_t defaultKeys[] =
823 {
824 0xffffffffffff, // Default key (first key used by program if no user defined key)
825 0x000000000000, // Blank key
826 0xa0a1a2a3a4a5, // NFCForum MAD key
827 0xb0b1b2b3b4b5,
828 0xaabbccddeeff,
829 0x4d3a99c351dd,
830 0x1a982c7e459a,
831 0xd3f7d3f7d3f7,
832 0x714c5c886e97,
833 0x587ee5f9350f,
834 0xa0478cc39091,
835 0x533cb6c723f6,
836 0x8fd0a4f256e9
837 };
838 int defaultKeysSize = sizeof(defaultKeys) / sizeof(uint64_t);
839
840 for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)
841 {
842 num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
843 }
844
845 if (param_getchar(Cmd, 0)=='*') {
846 blockNo = 3;
847 switch(param_getchar(Cmd+1, 0)) {
848 case '0': SectorsCnt = 5; break;
849 case '1': SectorsCnt = 16; break;
850 case '2': SectorsCnt = 32; break;
851 case '4': SectorsCnt = 40; break;
852 default: SectorsCnt = 16;
853 }
854 }
855 else
856 blockNo = param_get8(Cmd, 0);
857
858 ctmp = param_getchar(Cmd, 1);
859 switch (ctmp) {
860 case 'a': case 'A':
861 keyType = !0;
862 break;
863 case 'b': case 'B':
864 keyType = !1;
865 break;
866 case '?':
867 keyType = 2;
868 break;
869 default:
870 PrintAndLog("Key type must be A , B or ?");
871 return 1;
872 };
873
874 ctmp = param_getchar(Cmd, 2);
875 if (ctmp == 't' || ctmp == 'T') transferToEml = 1;
876 else if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;
877
878 for (i = transferToEml || createDumpFile; param_getchar(Cmd, 2 + i); i++) {
879 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
880 if ( stKeyBlock - keycnt < 2) {
881 p = realloc(keyBlock, 6*(stKeyBlock+=10));
882 if (!p) {
883 PrintAndLog("Cannot allocate memory for Keys");
884 free(keyBlock);
885 return 2;
886 }
887 keyBlock = p;
888 }
889 PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
890 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
891 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
892 keycnt++;
893 } else {
894 // May be a dic file
895 if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) {
896 PrintAndLog("File name too long");
897 free(keyBlock);
898 return 2;
899 }
900
901 if ( (f = fopen( filename , "r")) ) {
902 while( fgets(buf, sizeof(buf), f) ){
903 if (strlen(buf) < 12 || buf[11] == '\n')
904 continue;
905
906 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
907
908 if( buf[0]=='#' ) continue; //The line start with # is comment, skip
909
910 if (!isxdigit(buf[0])){
911 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
912 continue;
913 }
914
915 buf[12] = 0;
916
917 if ( stKeyBlock - keycnt < 2) {
918 p = realloc(keyBlock, 6*(stKeyBlock+=10));
919 if (!p) {
920 PrintAndLog("Cannot allocate memory for defKeys");
921 free(keyBlock);
922 return 2;
923 }
924 keyBlock = p;
925 }
926 memset(keyBlock + 6 * keycnt, 0, 6);
927 num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
928 PrintAndLog("chk custom key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
929 keycnt++;
930 memset(buf, 0, sizeof(buf));
931 }
932 fclose(f);
933 } else {
934 PrintAndLog("File: %s: not found or locked.", filename);
935 free(keyBlock);
936 return 1;
937
938 }
939 }
940 }
941
942 if (keycnt == 0) {
943 PrintAndLog("No key specified, trying default keys");
944 for (;keycnt < defaultKeysSize; keycnt++)
945 PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
946 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
947 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
948 }
949
950 // initialize storage for found keys
951 bool validKey[2][40];
952 uint8_t foundKey[2][40][6];
953 for (uint16_t t = 0; t < 2; t++) {
954 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
955 validKey[t][sectorNo] = false;
956 for (uint16_t i = 0; i < 6; i++) {
957 foundKey[t][sectorNo][i] = 0xff;
958 }
959 }
960 }
961
962 for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) {
963 int b=blockNo;
964 for (int i = 0; i < SectorsCnt; ++i) {
965 PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt);
966 uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt;
967 for (uint32_t c = 0; c < keycnt; c+=max_keys) {
968 uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c;
969 res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64);
970 if (res != 1) {
971 if (!res) {
972 PrintAndLog("Found valid key:[%012"llx"]",key64);
973 num_to_bytes(key64, 6, foundKey[t][i]);
974 validKey[t][i] = true;
975 }
976 } else {
977 PrintAndLog("Command execute timeout");
978 }
979 }
980 b<127?(b+=4):(b+=16);
981 }
982 }
983
984 if (transferToEml) {
985 uint8_t block[16];
986 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
987 if (validKey[0][sectorNo] || validKey[1][sectorNo]) {
988 mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
989 for (uint16_t t = 0; t < 2; t++) {
990 if (validKey[t][sectorNo]) {
991 memcpy(block + t*10, foundKey[t][sectorNo], 6);
992 }
993 }
994 mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
995 }
996 }
997 PrintAndLog("Found keys have been transferred to the emulator memory");
998 }
999
1000 if (createDumpFile) {
1001 FILE *fkeys = fopen("dumpkeys.bin","wb");
1002 if (fkeys == NULL) {
1003 PrintAndLog("Could not create file dumpkeys.bin");
1004 free(keyBlock);
1005 return 1;
1006 }
1007 for (uint16_t t = 0; t < 2; t++) {
1008 fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys);
1009 }
1010 fclose(fkeys);
1011 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1012 }
1013
1014 free(keyBlock);
1015 PrintAndLog("");
1016 return 0;
1017 }
1018
1019 int CmdHF14AMf1kSim(const char *Cmd)
1020 {
1021 uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};
1022 uint8_t exitAfterNReads = 0;
1023 uint8_t flags = 0;
1024
1025 uint8_t cmdp = param_getchar(Cmd, 0);
1026
1027 clearCommandBuffer();
1028
1029 if (cmdp == 'h' || cmdp == 'H') {
1030 PrintAndLog("Usage: hf mf sim u <uid (8 hex symbols)> n <numreads> i x");
1031 PrintAndLog(" h this help");
1032 PrintAndLog(" u (Optional) UID. If not specified, the UID from emulator memory will be used");
1033 PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
1034 PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
1035 PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
1036 PrintAndLog("");
1037 PrintAndLog(" sample: hf mf sim u 0a0a0a0a ");
1038 return 0;
1039 }
1040 uint8_t pnr = 0;
1041 if (param_getchar(Cmd, pnr) == 'u') {
1042 if(param_gethex(Cmd, pnr+1, uid, 8) == 0)
1043 {
1044 flags |= FLAG_4B_UID_IN_DATA; // UID from packet
1045 } else if(param_gethex(Cmd,pnr+1,uid,14) == 0) {
1046 flags |= FLAG_7B_UID_IN_DATA;// UID from packet
1047 } else {
1048 PrintAndLog("UID, if specified, must include 8 or 14 HEX symbols");
1049 return 1;
1050 }
1051 pnr +=2;
1052 }
1053 if (param_getchar(Cmd, pnr) == 'n') {
1054 exitAfterNReads = param_get8(Cmd,pnr+1);
1055 pnr += 2;
1056 }
1057 if (param_getchar(Cmd, pnr) == 'i' ) {
1058 //Using a flag to signal interactiveness, least significant bit
1059 flags |= FLAG_INTERACTIVE;
1060 pnr++;
1061 }
1062
1063 if (param_getchar(Cmd, pnr) == 'x' ) {
1064 //Using a flag to signal interactiveness, least significant bit
1065 flags |= FLAG_NR_AR_ATTACK;
1066 }
1067 PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) ",
1068 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1069 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7): "N/A"
1070 , exitAfterNReads, flags,flags);
1071
1072
1073 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1074 memcpy(c.d.asBytes, uid, sizeof(uid));
1075 SendCommand(&c);
1076
1077 if(flags & FLAG_INTERACTIVE)
1078 {
1079 PrintAndLog("Press pm3-button to abort simulation");
1080
1081 uint8_t data[40];
1082 uint8_t key[6];
1083
1084 UsbCommand resp;
1085 while(!ukbhit() ){
1086 if ( WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1087 if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
1088 memset(data, 0x00, sizeof(data));
1089 memset(key, 0x00, sizeof(key));
1090 int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
1091
1092 memcpy(data, resp.d.asBytes, len);
1093
1094 uint64_t corr_uid = 0;
1095 if ( memcmp(data, "\x00\x00\x00\x00", 4) == 0 ) {
1096 corr_uid = (data[3] << 24) | (data[2] << 16) | (data[1] << 8) | data[0];
1097 }
1098 else {
1099 corr_uid |= (uint64_t)data[2] << 48;
1100 corr_uid |= (uint64_t)data[1] << 40;
1101 corr_uid |= (uint64_t)data[0] << 32;
1102 corr_uid |= data[7] << 24;
1103 corr_uid |= data[6] << 16;
1104 corr_uid |= data[5] << 8;
1105 corr_uid |= data[4];
1106 }
1107 tryMfk32(corr_uid, data, key);
1108 //tryMfk64(corr_uid, data, key);
1109 PrintAndLog("--");
1110 }
1111 }
1112 }
1113 }
1114 return 0;
1115 }
1116
1117 int CmdHF14AMfDbg(const char *Cmd)
1118 {
1119 int dbgMode = param_get32ex(Cmd, 0, 0, 10);
1120 if (dbgMode > 4) {
1121 PrintAndLog("Max debug mode parameter is 4 \n");
1122 }
1123
1124 if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {
1125 PrintAndLog("Usage: hf mf dbg <debug level>");
1126 PrintAndLog(" 0 - no debug messages");
1127 PrintAndLog(" 1 - error messages");
1128 PrintAndLog(" 2 - plus information messages");
1129 PrintAndLog(" 3 - plus debug messages");
1130 PrintAndLog(" 4 - print even debug messages in timing critical functions");
1131 PrintAndLog(" Note: this option therefore may cause malfunction itself");
1132 return 0;
1133 }
1134
1135 UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1136 SendCommand(&c);
1137
1138 return 0;
1139 }
1140
1141 int CmdHF14AMfEGet(const char *Cmd)
1142 {
1143 uint8_t blockNo = 0;
1144 uint8_t data[16] = {0x00};
1145
1146 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1147 PrintAndLog("Usage: hf mf eget <block number>");
1148 PrintAndLog(" sample: hf mf eget 0 ");
1149 return 0;
1150 }
1151
1152 blockNo = param_get8(Cmd, 0);
1153
1154 PrintAndLog(" ");
1155 if (!mfEmlGetMem(data, blockNo, 1)) {
1156 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1157 } else {
1158 PrintAndLog("Command execute timeout");
1159 }
1160
1161 return 0;
1162 }
1163
1164 int CmdHF14AMfEClear(const char *Cmd)
1165 {
1166 if (param_getchar(Cmd, 0) == 'h') {
1167 PrintAndLog("Usage: hf mf eclr");
1168 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1169 return 0;
1170 }
1171
1172 UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1173 SendCommand(&c);
1174 return 0;
1175 }
1176
1177
1178 int CmdHF14AMfESet(const char *Cmd)
1179 {
1180 uint8_t memBlock[16];
1181 uint8_t blockNo = 0;
1182
1183 memset(memBlock, 0x00, sizeof(memBlock));
1184
1185 if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1186 PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>");
1187 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1188 return 0;
1189 }
1190
1191 blockNo = param_get8(Cmd, 0);
1192
1193 if (param_gethex(Cmd, 1, memBlock, 32)) {
1194 PrintAndLog("block data must include 32 HEX symbols");
1195 return 1;
1196 }
1197
1198 // 1 - blocks count
1199 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};
1200 memcpy(c.d.asBytes, memBlock, 16);
1201 SendCommand(&c);
1202 return 0;
1203 }
1204
1205
1206 int CmdHF14AMfELoad(const char *Cmd)
1207 {
1208 FILE * f;
1209 char filename[FILE_PATH_SIZE];
1210 char *fnameptr = filename;
1211 char buf[64] = {0x00};
1212 uint8_t buf8[64] = {0x00};
1213 int i, len, blockNum, numBlocks;
1214 int nameParamNo = 1;
1215 uint8_t blockWidth = 32;
1216 char ctmp = param_getchar(Cmd, 0);
1217
1218 if ( ctmp == 'h' || ctmp == 0x00) {
1219 PrintAndLog("It loads emul dump from the file `filename.eml`");
1220 PrintAndLog("Usage: hf mf eload [card memory] <file name w/o `.eml`>");
1221 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K, u = UL");
1222 PrintAndLog("");
1223 PrintAndLog(" sample: hf mf eload filename");
1224 PrintAndLog(" hf mf eload 4 filename");
1225 return 0;
1226 }
1227
1228 switch (ctmp) {
1229 case '0' : numBlocks = 5*4; break;
1230 case '1' :
1231 case '\0': numBlocks = 16*4; break;
1232 case '2' : numBlocks = 32*4; break;
1233 case '4' : numBlocks = 256; break;
1234 case 'U' : // fall through , NTAG 215 has 135blocks a 540 bytes.
1235 case 'u' : numBlocks = 135; blockWidth = 8; break;
1236 default: {
1237 numBlocks = 16*4;
1238 nameParamNo = 0;
1239 }
1240 }
1241
1242 len = param_getstr(Cmd,nameParamNo,filename);
1243
1244 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1245
1246 fnameptr += len;
1247
1248 sprintf(fnameptr, ".eml");
1249
1250 // open file
1251 f = fopen(filename, "r");
1252 if (f == NULL) {
1253 PrintAndLog("File %s not found or locked", filename);
1254 return 1;
1255 }
1256
1257 blockNum = 0;
1258 while(!feof(f)){
1259 memset(buf, 0, sizeof(buf));
1260
1261 if (fgets(buf, sizeof(buf), f) == NULL) {
1262
1263 if (blockNum >= numBlocks) break;
1264
1265 PrintAndLog("File reading error.");
1266 fclose(f);
1267 return 2;
1268 }
1269
1270 if (strlen(buf) < blockWidth){
1271 if(strlen(buf) && feof(f))
1272 break;
1273 PrintAndLog("File content error. Block data must include %d HEX symbols", blockWidth);
1274 fclose(f);
1275 return 2;
1276 }
1277
1278 for (i = 0; i < blockWidth; i += 2) {
1279 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1280 }
1281 if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) {
1282 PrintAndLog("Cant set emul block: %3d", blockNum);
1283 fclose(f);
1284 return 3;
1285 }
1286 printf(".");
1287 blockNum++;
1288
1289 if (blockNum >= numBlocks) break;
1290 }
1291 fclose(f);
1292 printf("\n");
1293
1294 if ((blockNum != numBlocks)) {
1295 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1296 return 4;
1297 }
1298 PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1299 return 0;
1300 }
1301
1302
1303 int CmdHF14AMfESave(const char *Cmd)
1304 {
1305 FILE * f;
1306 char filename[FILE_PATH_SIZE];
1307 char * fnameptr = filename;
1308 uint8_t buf[64];
1309 int i, j, len, numBlocks;
1310 int nameParamNo = 1;
1311
1312 memset(filename, 0, sizeof(filename));
1313 memset(buf, 0, sizeof(buf));
1314
1315 char ctmp = param_getchar(Cmd, 0);
1316
1317 if ( ctmp == 'h' || ctmp == 'H') {
1318 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1319 PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]");
1320 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1321 PrintAndLog("");
1322 PrintAndLog(" sample: hf mf esave ");
1323 PrintAndLog(" hf mf esave 4");
1324 PrintAndLog(" hf mf esave 4 filename");
1325 return 0;
1326 }
1327
1328 switch (ctmp) {
1329 case '0' : numBlocks = 5*4; break;
1330 case '1' :
1331 case '\0': numBlocks = 16*4; break;
1332 case '2' : numBlocks = 32*4; break;
1333 case '4' : numBlocks = 256; break;
1334 default: {
1335 numBlocks = 16*4;
1336 nameParamNo = 0;
1337 }
1338 }
1339
1340 len = param_getstr(Cmd,nameParamNo,filename);
1341
1342 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1343
1344 // user supplied filename?
1345 if (len < 1) {
1346 // get filename (UID from memory)
1347 if (mfEmlGetMem(buf, 0, 1)) {
1348 PrintAndLog("Can\'t get UID from block: %d", 0);
1349 len = sprintf(fnameptr, "dump");
1350 fnameptr += len;
1351 }
1352 else {
1353 for (j = 0; j < 7; j++, fnameptr += 2)
1354 sprintf(fnameptr, "%02X", buf[j]);
1355 }
1356 } else {
1357 fnameptr += len;
1358 }
1359
1360 // add file extension
1361 sprintf(fnameptr, ".eml");
1362
1363 // open file
1364 f = fopen(filename, "w+");
1365
1366 if ( !f ) {
1367 PrintAndLog("Can't open file %s ", filename);
1368 return 1;
1369 }
1370
1371 // put hex
1372 for (i = 0; i < numBlocks; i++) {
1373 if (mfEmlGetMem(buf, i, 1)) {
1374 PrintAndLog("Cant get block: %d", i);
1375 break;
1376 }
1377 for (j = 0; j < 16; j++)
1378 fprintf(f, "%02X", buf[j]);
1379 fprintf(f,"\n");
1380 }
1381 fclose(f);
1382
1383 PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
1384
1385 return 0;
1386 }
1387
1388
1389 int CmdHF14AMfECFill(const char *Cmd)
1390 {
1391 uint8_t keyType = 0;
1392 uint8_t numSectors = 16;
1393
1394 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1395 PrintAndLog("Usage: hf mf ecfill <key A/B> [card memory]");
1396 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1397 PrintAndLog("");
1398 PrintAndLog("samples: hf mf ecfill A");
1399 PrintAndLog(" hf mf ecfill A 4");
1400 PrintAndLog("Read card and transfer its data to emulator memory.");
1401 PrintAndLog("Keys must be laid in the emulator memory. \n");
1402 return 0;
1403 }
1404
1405 char ctmp = param_getchar(Cmd, 0);
1406 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1407 PrintAndLog("Key type must be A or B");
1408 return 1;
1409 }
1410 if (ctmp != 'A' && ctmp != 'a') keyType = 1;
1411
1412 ctmp = param_getchar(Cmd, 1);
1413 switch (ctmp) {
1414 case '0' : numSectors = 5; break;
1415 case '1' :
1416 case '\0': numSectors = 16; break;
1417 case '2' : numSectors = 32; break;
1418 case '4' : numSectors = 40; break;
1419 default: numSectors = 16;
1420 }
1421
1422 printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);
1423 UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
1424 SendCommand(&c);
1425 return 0;
1426 }
1427
1428
1429 int CmdHF14AMfEKeyPrn(const char *Cmd)
1430 {
1431 int i;
1432 uint8_t numSectors;
1433 uint8_t data[16];
1434 uint64_t keyA, keyB;
1435
1436 if (param_getchar(Cmd, 0) == 'h') {
1437 PrintAndLog("It prints the keys loaded in the emulator memory");
1438 PrintAndLog("Usage: hf mf ekeyprn [card memory]");
1439 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1440 PrintAndLog("");
1441 PrintAndLog(" sample: hf mf ekeyprn 1");
1442 return 0;
1443 }
1444
1445 char cmdp = param_getchar(Cmd, 0);
1446
1447 switch (cmdp) {
1448 case '0' : numSectors = 5; break;
1449 case '1' :
1450 case '\0': numSectors = 16; break;
1451 case '2' : numSectors = 32; break;
1452 case '4' : numSectors = 40; break;
1453 default: numSectors = 16;
1454 }
1455
1456 PrintAndLog("|---|----------------|----------------|");
1457 PrintAndLog("|sec|key A |key B |");
1458 PrintAndLog("|---|----------------|----------------|");
1459 for (i = 0; i < numSectors; i++) {
1460 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
1461 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1462 break;
1463 }
1464 keyA = bytes_to_num(data, 6);
1465 keyB = bytes_to_num(data + 10, 6);
1466 PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB);
1467 }
1468 PrintAndLog("|---|----------------|----------------|");
1469
1470 return 0;
1471 }
1472
1473
1474 int CmdHF14AMfCSetUID(const char *Cmd)
1475 {
1476 uint8_t wipeCard = 0;
1477 uint8_t uid[8] = {0x00};
1478 uint8_t oldUid[8] = {0x00};
1479 uint8_t atqa[2] = {0x00};
1480 uint8_t sak[1] = {0x00};
1481 uint8_t atqaPresent = 1;
1482 int res;
1483 char ctmp;
1484 int argi=0;
1485
1486 if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') {
1487 PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols] [w]");
1488 PrintAndLog("sample: hf mf csetuid 01020304");
1489 PrintAndLog("sample: hf mf csetuid 01020304 0004 08 w");
1490 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
1491 PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line.");
1492 return 0;
1493 }
1494
1495 if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) {
1496 PrintAndLog("UID must include 8 HEX symbols");
1497 return 1;
1498 }
1499 argi++;
1500
1501 ctmp = param_getchar(Cmd, argi);
1502 if (ctmp == 'w' || ctmp == 'W') {
1503 wipeCard = 1;
1504 atqaPresent = 0;
1505 }
1506
1507 if (atqaPresent) {
1508 if (param_getchar(Cmd, argi)) {
1509 if (param_gethex(Cmd, argi, atqa, 4)) {
1510 PrintAndLog("ATQA must include 4 HEX symbols");
1511 return 1;
1512 }
1513 argi++;
1514 if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) {
1515 PrintAndLog("SAK must include 2 HEX symbols");
1516 return 1;
1517 }
1518 argi++;
1519 } else
1520 atqaPresent = 0;
1521 }
1522
1523 if(!wipeCard) {
1524 ctmp = param_getchar(Cmd, argi);
1525 if (ctmp == 'w' || ctmp == 'W') {
1526 wipeCard = 1;
1527 }
1528 }
1529
1530 PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4));
1531
1532 res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid, wipeCard);
1533 if (res) {
1534 PrintAndLog("Can't set UID. error=%d", res);
1535 return 1;
1536 }
1537
1538 PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
1539 PrintAndLog("new UID:%s", sprint_hex(uid, 4));
1540 return 0;
1541 }
1542
1543 int CmdHF14AMfCSetBlk(const char *Cmd)
1544 {
1545 uint8_t memBlock[16] = {0x00};
1546 uint8_t blockNo = 0;
1547 bool wipeCard = FALSE;
1548 int res;
1549
1550 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1551 PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
1552 PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516");
1553 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
1554 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
1555 return 0;
1556 }
1557
1558 blockNo = param_get8(Cmd, 0);
1559
1560 if (param_gethex(Cmd, 1, memBlock, 32)) {
1561 PrintAndLog("block data must include 32 HEX symbols");
1562 return 1;
1563 }
1564
1565 char ctmp = param_getchar(Cmd, 2);
1566 wipeCard = (ctmp == 'w' || ctmp == 'W');
1567 PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(memBlock, 16));
1568
1569 res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER);
1570 if (res) {
1571 PrintAndLog("Can't write block. error=%d", res);
1572 return 1;
1573 }
1574 return 0;
1575 }
1576
1577
1578 int CmdHF14AMfCLoad(const char *Cmd)
1579 {
1580 FILE * f;
1581 char filename[FILE_PATH_SIZE] = {0x00};
1582 char * fnameptr = filename;
1583 char buf[64] = {0x00};
1584 uint8_t buf8[64] = {0x00};
1585 uint8_t fillFromEmulator = 0;
1586 int i, len, blockNum, flags=0;
1587
1588 if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) {
1589 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
1590 PrintAndLog("or from emulator memory (option `e`)");
1591 PrintAndLog("Usage: hf mf cload <file name w/o `.eml`>");
1592 PrintAndLog(" or: hf mf cload e ");
1593 PrintAndLog(" sample: hf mf cload filename");
1594 return 0;
1595 }
1596
1597 char ctmp = param_getchar(Cmd, 0);
1598 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1599
1600 if (fillFromEmulator) {
1601 for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) {
1602 if (mfEmlGetMem(buf8, blockNum, 1)) {
1603 PrintAndLog("Cant get block: %d", blockNum);
1604 return 2;
1605 }
1606 if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence
1607 if (blockNum == 1) flags = 0; // just write
1608 if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Magic Halt and switch off field.
1609
1610 if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
1611 PrintAndLog("Cant set magic card block: %d", blockNum);
1612 return 3;
1613 }
1614 }
1615 return 0;
1616 } else {
1617 len = strlen(Cmd);
1618 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1619
1620 memcpy(filename, Cmd, len);
1621 fnameptr += len;
1622
1623 sprintf(fnameptr, ".eml");
1624
1625 // open file
1626 f = fopen(filename, "r");
1627 if (f == NULL) {
1628 PrintAndLog("File not found or locked.");
1629 return 1;
1630 }
1631
1632 blockNum = 0;
1633 while(!feof(f)){
1634
1635 memset(buf, 0, sizeof(buf));
1636
1637 if (fgets(buf, sizeof(buf), f) == NULL) {
1638 fclose(f);
1639 PrintAndLog("File reading error.");
1640 return 2;
1641 }
1642
1643 if (strlen(buf) < 32) {
1644 if(strlen(buf) && feof(f))
1645 break;
1646 PrintAndLog("File content error. Block data must include 32 HEX symbols");
1647 fclose(f);
1648 return 2;
1649 }
1650 for (i = 0; i < 32; i += 2)
1651 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1652
1653 if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence
1654 if (blockNum == 1) flags = 0; // just write
1655 if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Switch off field.
1656
1657 if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
1658 PrintAndLog("Can't set magic card block: %d", blockNum);
1659 return 3;
1660 }
1661 blockNum++;
1662
1663 if (blockNum >= 16 * 4) break; // magic card type - mifare 1K
1664 }
1665 fclose(f);
1666
1667 if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
1668 PrintAndLog("File content error. There must be 64 blocks");
1669 return 4;
1670 }
1671 PrintAndLog("Loaded from file: %s", filename);
1672 return 0;
1673 }
1674 return 0;
1675 }
1676
1677 int CmdHF14AMfCGetBlk(const char *Cmd) {
1678 uint8_t memBlock[16];
1679 uint8_t blockNo = 0;
1680 int res;
1681 memset(memBlock, 0x00, sizeof(memBlock));
1682
1683 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1684 PrintAndLog("Usage: hf mf cgetblk <block number>");
1685 PrintAndLog("sample: hf mf cgetblk 1");
1686 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
1687 return 0;
1688 }
1689
1690 blockNo = param_get8(Cmd, 0);
1691
1692 PrintAndLog("--block number:%2d ", blockNo);
1693
1694 res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER);
1695 if (res) {
1696 PrintAndLog("Can't read block. error=%d", res);
1697 return 1;
1698 }
1699
1700 PrintAndLog("block data:%s", sprint_hex(memBlock, 16));
1701 return 0;
1702 }
1703
1704
1705 int CmdHF14AMfCGetSc(const char *Cmd) {
1706 uint8_t memBlock[16] = {0x00};
1707 uint8_t sectorNo = 0;
1708 int i, res, flags;
1709
1710 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1711 PrintAndLog("Usage: hf mf cgetsc <sector number>");
1712 PrintAndLog("sample: hf mf cgetsc 0");
1713 PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");
1714 return 0;
1715 }
1716
1717 sectorNo = param_get8(Cmd, 0);
1718 if (sectorNo > 15) {
1719 PrintAndLog("Sector number must be in [0..15] as in MIFARE classic.");
1720 return 1;
1721 }
1722
1723 PrintAndLog("--sector number:%d ", sectorNo);
1724
1725 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
1726 for (i = 0; i < 4; i++) {
1727 if (i == 1) flags = 0;
1728 if (i == 3) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
1729
1730 res = mfCGetBlock(sectorNo * 4 + i, memBlock, flags);
1731 if (res) {
1732 PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res);
1733 return 1;
1734 }
1735
1736 PrintAndLog("block %3d data:%s", sectorNo * 4 + i, sprint_hex(memBlock, 16));
1737 }
1738 return 0;
1739 }
1740
1741
1742 int CmdHF14AMfCSave(const char *Cmd) {
1743
1744 FILE * f;
1745 char filename[FILE_PATH_SIZE] = {0x00};
1746 char * fnameptr = filename;
1747 uint8_t fillFromEmulator = 0;
1748 uint8_t buf[64] = {0x00};
1749 int i, j, len, flags;
1750
1751 // memset(filename, 0, sizeof(filename));
1752 // memset(buf, 0, sizeof(buf));
1753
1754 if (param_getchar(Cmd, 0) == 'h') {
1755 PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
1756 PrintAndLog("or into emulator memory (option `e`)");
1757 PrintAndLog("Usage: hf mf esave [file name w/o `.eml`][e]");
1758 PrintAndLog(" sample: hf mf esave ");
1759 PrintAndLog(" hf mf esave filename");
1760 PrintAndLog(" hf mf esave e \n");
1761 return 0;
1762 }
1763
1764 char ctmp = param_getchar(Cmd, 0);
1765 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
1766
1767 if (fillFromEmulator) {
1768 // put into emulator
1769 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
1770 for (i = 0; i < 16 * 4; i++) {
1771 if (i == 1) flags = 0;
1772 if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
1773
1774 if (mfCGetBlock(i, buf, flags)) {
1775 PrintAndLog("Cant get block: %d", i);
1776 break;
1777 }
1778
1779 if (mfEmlSetMem(buf, i, 1)) {
1780 PrintAndLog("Cant set emul block: %d", i);
1781 return 3;
1782 }
1783 }
1784 return 0;
1785 } else {
1786 len = strlen(Cmd);
1787 if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;
1788
1789 if (len < 1) {
1790 // get filename
1791 if (mfCGetBlock(0, buf, CSETBLOCK_SINGLE_OPER)) {
1792 PrintAndLog("Cant get block: %d", 0);
1793 len = sprintf(fnameptr, "dump");
1794 fnameptr += len;
1795 } else {
1796 for (j = 0; j < 7; j++, fnameptr += 2)
1797 sprintf(fnameptr, "%02x", buf[j]);
1798 }
1799 } else {
1800 memcpy(filename, Cmd, len);
1801 fnameptr += len;
1802 }
1803
1804 sprintf(fnameptr, ".eml");
1805
1806 // open file
1807 f = fopen(filename, "w+");
1808
1809 if (f == NULL) {
1810 PrintAndLog("File not found or locked.");
1811 return 1;
1812 }
1813
1814 // put hex
1815 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
1816 for (i = 0; i < 16 * 4; i++) {
1817 if (i == 1) flags = 0;
1818 if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
1819
1820 if (mfCGetBlock(i, buf, flags)) {
1821 PrintAndLog("Cant get block: %d", i);
1822 break;
1823 }
1824 for (j = 0; j < 16; j++)
1825 fprintf(f, "%02x", buf[j]);
1826 fprintf(f,"\n");
1827 }
1828 fclose(f);
1829
1830 PrintAndLog("Saved to file: %s", filename);
1831
1832 return 0;
1833 }
1834 }
1835
1836
1837 int CmdHF14AMfSniff(const char *Cmd){
1838
1839 bool wantLogToFile = 0;
1840 bool wantDecrypt = 0;
1841 //bool wantSaveToEml = 0; TODO
1842 bool wantSaveToEmlFile = 0;
1843
1844 //var
1845 int res = 0;
1846 int len = 0;
1847 int blockLen = 0;
1848 int pckNum = 0;
1849 int num = 0;
1850 uint8_t uid[7];
1851 uint8_t uid_len;
1852 uint8_t atqa[2] = {0x00};
1853 uint8_t sak;
1854 bool isTag;
1855 uint8_t *buf = NULL;
1856 uint16_t bufsize = 0;
1857 uint8_t *bufPtr = NULL;
1858
1859 char ctmp = param_getchar(Cmd, 0);
1860 if ( ctmp == 'h' || ctmp == 'H' ) {
1861 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
1862 PrintAndLog("You can specify:");
1863 PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");
1864 PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");
1865 PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
1866 PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
1867 PrintAndLog("Usage: hf mf sniff [l][d][e][f]");
1868 PrintAndLog(" sample: hf mf sniff l d e");
1869 return 0;
1870 }
1871
1872 for (int i = 0; i < 4; i++) {
1873 ctmp = param_getchar(Cmd, i);
1874 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
1875 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
1876 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
1877 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
1878 }
1879
1880 printf("-------------------------------------------------------------------------\n");
1881 printf("Executing command. \n");
1882 printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
1883 printf("Press the key on pc keyboard to abort the client.\n");
1884 printf("-------------------------------------------------------------------------\n");
1885
1886 UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
1887 clearCommandBuffer();
1888 SendCommand(&c);
1889
1890 // wait cycle
1891 while (true) {
1892 printf(".");
1893 fflush(stdout);
1894 if (ukbhit()) {
1895 getchar();
1896 printf("\naborted via keyboard!\n");
1897 break;
1898 }
1899
1900 UsbCommand resp;
1901 if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) {
1902 res = resp.arg[0] & 0xff;
1903 uint16_t traceLen = resp.arg[1];
1904 len = resp.arg[2];
1905
1906 if (res == 0) return 0; // we are done
1907
1908 if (res == 1) { // there is (more) data to be transferred
1909 if (pckNum == 0) { // first packet, (re)allocate necessary buffer
1910 if (traceLen > bufsize) {
1911 uint8_t *p;
1912 if (buf == NULL) { // not yet allocated
1913 p = malloc(traceLen);
1914 } else { // need more memory
1915 p = realloc(buf, traceLen);
1916 }
1917 if (p == NULL) {
1918 PrintAndLog("Cannot allocate memory for trace");
1919 free(buf);
1920 return 2;
1921 }
1922 buf = p;
1923 }
1924 bufPtr = buf;
1925 bufsize = traceLen;
1926 memset(buf, 0x00, traceLen);
1927 }
1928 memcpy(bufPtr, resp.d.asBytes, len);
1929 bufPtr += len;
1930 pckNum++;
1931 }
1932
1933 if (res == 2) { // received all data, start displaying
1934 blockLen = bufPtr - buf;
1935 bufPtr = buf;
1936 printf(">\n");
1937 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
1938 while (bufPtr - buf < blockLen) {
1939 bufPtr += 6; // skip (void) timing information
1940 len = *((uint16_t *)bufPtr);
1941 if(len & 0x8000) {
1942 isTag = true;
1943 len &= 0x7fff;
1944 } else {
1945 isTag = false;
1946 }
1947 bufPtr += 2;
1948 if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {
1949 memcpy(uid, bufPtr + 2, 7);
1950 memcpy(atqa, bufPtr + 2 + 7, 2);
1951 uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;
1952 sak = bufPtr[11];
1953 PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",
1954 sprint_hex(uid + (7 - uid_len), uid_len),
1955 atqa[1],
1956 atqa[0],
1957 sak);
1958 if (wantLogToFile || wantDecrypt) {
1959 FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);
1960 AddLogCurrentDT(logHexFileName);
1961 }
1962 if (wantDecrypt)
1963 mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
1964 } else {
1965 PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
1966 if (wantLogToFile)
1967 AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
1968 if (wantDecrypt)
1969 mfTraceDecode(bufPtr, len, wantSaveToEmlFile);
1970 num++;
1971 }
1972 bufPtr += len;
1973 bufPtr += ((len-1)/8+1); // ignore parity
1974 }
1975 pckNum = 0;
1976 }
1977 } // resp not NULL
1978 } // while (true)
1979
1980 free(buf);
1981 return 0;
1982 }
1983
1984 //needs nt, ar, at, Data to decrypt
1985 int CmdDecryptTraceCmds(const char *Cmd){
1986 uint8_t data[50];
1987
1988 uint32_t nt = param_get32ex(Cmd,0,0,16);
1989 uint32_t ar_enc = param_get32ex(Cmd,1,0,16);
1990 uint32_t at_enc = param_get32ex(Cmd,2,0,16);
1991
1992 int len = 0;
1993 param_gethex_ex(Cmd, 3, data, &len);
1994
1995 len /= 2;
1996 int limit = sizeof(data) / 2;
1997
1998 if ( len >= limit )
1999 len = limit;
2000
2001 return tryDecryptWord( nt, ar_enc, at_enc, data, len);
2002 }
2003
2004 static command_t CommandTable[] =
2005 {
2006 {"help", CmdHelp, 1, "This help"},
2007 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
2008 {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
2009 {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
2010 {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},
2011 {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},
2012 {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
2013 {"chk", CmdHF14AMfChk, 0, "Test block keys"},
2014 {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},
2015 {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
2016 {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},
2017 {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"},
2018 {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},
2019 {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},
2020 {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},
2021 {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},
2022 {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},
2023 {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},
2024 {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},
2025 {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},
2026 {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},
2027 {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},
2028 {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
2029 {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
2030 {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
2031 {"decrypt", CmdDecryptTraceCmds, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
2032 {NULL, NULL, 0, NULL}
2033 };
2034
2035 int CmdHFMF(const char *Cmd)
2036 {
2037 // flush
2038 WaitForResponseTimeout(CMD_ACK,NULL,100);
2039
2040 CmdsParse(CommandTable, Cmd);
2041 return 0;
2042 }
2043
2044 int CmdHelp(const char *Cmd)
2045 {
2046 CmdsHelp(CommandTable);
2047 return 0;
2048 }
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