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fix memory overflow in hf mf nested (issue #479)
[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
13 #include <inttypes.h>
14 #include <string.h>
15 #include <stdio.h>
16 #include <stdlib.h>
17 #include <ctype.h>
18 #include "proxmark3.h"
19 #include "cmdmain.h"
20 #include "cmdhfmfhard.h"
21 #include "util.h"
22 #include "util_posix.h"
23 #include "usb_cmd.h"
24 #include "ui.h"
25 #include "mifarehost.h"
26 #include "mifare.h"
27 #include "mfkey.h"
28
29 #define NESTED_SECTOR_RETRY 10 // how often we try mfested() until we give up
30
31 static int CmdHelp(const char *Cmd);
32
33 int CmdHF14AMifare(const char *Cmd)
34 {
35 int isOK = 0;
36 uint64_t key = 0;
37 isOK = mfDarkside(&key);
38 switch (isOK) {
39 case -1 : PrintAndLog("Button pressed. Aborted."); return 1;
40 case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests)."); return 1;
41 case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable)."); return 1;
42 case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
43 PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour."); return 1;
44 case -5 : PrintAndLog("Aborted via keyboard."); return 1;
45 default : PrintAndLog("Found valid key:%012" PRIx64 "\n", key);
46 }
47
48 PrintAndLog("");
49 return 0;
50 }
51
52
53 int CmdHF14AMfWrBl(const char *Cmd)
54 {
55 uint8_t blockNo = 0;
56 uint8_t keyType = 0;
57 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
58 uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
59
60 char cmdp = 0x00;
61
62 if (strlen(Cmd)<3) {
63 PrintAndLog("Usage: hf mf wrbl <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
64 PrintAndLog(" sample: hf mf wrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
65 return 0;
66 }
67
68 blockNo = param_get8(Cmd, 0);
69 cmdp = param_getchar(Cmd, 1);
70 if (cmdp == 0x00) {
71 PrintAndLog("Key type must be A or B");
72 return 1;
73 }
74 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
75 if (param_gethex(Cmd, 2, key, 12)) {
76 PrintAndLog("Key must include 12 HEX symbols");
77 return 1;
78 }
79 if (param_gethex(Cmd, 3, bldata, 32)) {
80 PrintAndLog("Block data must include 32 HEX symbols");
81 return 1;
82 }
83 PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
84 PrintAndLog("--data: %s", sprint_hex(bldata, 16));
85
86 UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
87 memcpy(c.d.asBytes, key, 6);
88 memcpy(c.d.asBytes + 10, bldata, 16);
89 SendCommand(&c);
90
91 UsbCommand resp;
92 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
93 uint8_t isOK = resp.arg[0] & 0xff;
94 PrintAndLog("isOk:%02x", isOK);
95 } else {
96 PrintAndLog("Command execute timeout");
97 }
98
99 return 0;
100 }
101
102 int CmdHF14AMfRdBl(const char *Cmd)
103 {
104 uint8_t blockNo = 0;
105 uint8_t keyType = 0;
106 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
107
108 char cmdp = 0x00;
109
110
111 if (strlen(Cmd)<3) {
112 PrintAndLog("Usage: hf mf rdbl <block number> <key A/B> <key (12 hex symbols)>");
113 PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF ");
114 return 0;
115 }
116
117 blockNo = param_get8(Cmd, 0);
118 cmdp = param_getchar(Cmd, 1);
119 if (cmdp == 0x00) {
120 PrintAndLog("Key type must be A or B");
121 return 1;
122 }
123 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
124 if (param_gethex(Cmd, 2, key, 12)) {
125 PrintAndLog("Key must include 12 HEX symbols");
126 return 1;
127 }
128 PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6));
129
130 UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
131 memcpy(c.d.asBytes, key, 6);
132 SendCommand(&c);
133
134 UsbCommand resp;
135 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
136 uint8_t isOK = resp.arg[0] & 0xff;
137 uint8_t *data = resp.d.asBytes;
138
139 if (isOK)
140 PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
141 else
142 PrintAndLog("isOk:%02x", isOK);
143 } else {
144 PrintAndLog("Command execute timeout");
145 }
146
147 return 0;
148 }
149
150 int CmdHF14AMfRdSc(const char *Cmd)
151 {
152 int i;
153 uint8_t sectorNo = 0;
154 uint8_t keyType = 0;
155 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
156 uint8_t isOK = 0;
157 uint8_t *data = NULL;
158 char cmdp = 0x00;
159
160 if (strlen(Cmd)<3) {
161 PrintAndLog("Usage: hf mf rdsc <sector number> <key A/B> <key (12 hex symbols)>");
162 PrintAndLog(" sample: hf mf rdsc 0 A FFFFFFFFFFFF ");
163 return 0;
164 }
165
166 sectorNo = param_get8(Cmd, 0);
167 if (sectorNo > 39) {
168 PrintAndLog("Sector number must be less than 40");
169 return 1;
170 }
171 cmdp = param_getchar(Cmd, 1);
172 if (cmdp != 'a' && cmdp != 'A' && cmdp != 'b' && cmdp != 'B') {
173 PrintAndLog("Key type must be A or B");
174 return 1;
175 }
176 if (cmdp != 'A' && cmdp != 'a') keyType = 1;
177 if (param_gethex(Cmd, 2, key, 12)) {
178 PrintAndLog("Key must include 12 HEX symbols");
179 return 1;
180 }
181 PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6));
182
183 UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
184 memcpy(c.d.asBytes, key, 6);
185 SendCommand(&c);
186 PrintAndLog(" ");
187
188 UsbCommand resp;
189 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
190 isOK = resp.arg[0] & 0xff;
191 data = resp.d.asBytes;
192
193 PrintAndLog("isOk:%02x", isOK);
194 if (isOK) {
195 for (i = 0; i < (sectorNo<32?3:15); i++) {
196 PrintAndLog("data : %s", sprint_hex(data + i * 16, 16));
197 }
198 PrintAndLog("trailer: %s", sprint_hex(data + (sectorNo<32?3:15) * 16, 16));
199 }
200 } else {
201 PrintAndLog("Command execute timeout");
202 }
203
204 return 0;
205 }
206
207 uint8_t FirstBlockOfSector(uint8_t sectorNo)
208 {
209 if (sectorNo < 32) {
210 return sectorNo * 4;
211 } else {
212 return 32 * 4 + (sectorNo - 32) * 16;
213 }
214 }
215
216 uint8_t NumBlocksPerSector(uint8_t sectorNo)
217 {
218 if (sectorNo < 32) {
219 return 4;
220 } else {
221 return 16;
222 }
223 }
224
225 static int ParamCardSizeSectors(const char c) {
226 int numBlocks = 16;
227 switch (c) {
228 case '0' : numBlocks = 5; break;
229 case '2' : numBlocks = 32; break;
230 case '4' : numBlocks = 40; break;
231 default: numBlocks = 16;
232 }
233 return numBlocks;
234 }
235
236 static int ParamCardSizeBlocks(const char c) {
237 int numBlocks = 16 * 4;
238 switch (c) {
239 case '0' : numBlocks = 5 * 4; break;
240 case '2' : numBlocks = 32 * 4; break;
241 case '4' : numBlocks = 32 * 4 + 8 * 16; break;
242 default: numBlocks = 16 * 4;
243 }
244 return numBlocks;
245 }
246
247 int CmdHF14AMfDump(const char *Cmd)
248 {
249 uint8_t sectorNo, blockNo;
250
251 uint8_t keyA[40][6];
252 uint8_t keyB[40][6];
253 uint8_t rights[40][4];
254 uint8_t carddata[256][16];
255 uint8_t numSectors = 16;
256
257 FILE *fin;
258 FILE *fout;
259
260 UsbCommand resp;
261
262 char cmdp = param_getchar(Cmd, 0);
263 numSectors = ParamCardSizeSectors(cmdp);
264
265 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
266 PrintAndLog("Usage: hf mf dump [card memory]");
267 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
268 PrintAndLog("");
269 PrintAndLog("Samples: hf mf dump");
270 PrintAndLog(" hf mf dump 4");
271 return 0;
272 }
273
274 if ((fin = fopen("dumpkeys.bin","rb")) == NULL) {
275 PrintAndLog("Could not find file dumpkeys.bin");
276 return 1;
277 }
278
279 // Read keys A from file
280 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
281 size_t bytes_read = fread(keyA[sectorNo], 1, 6, fin);
282 if (bytes_read != 6) {
283 PrintAndLog("File reading error.");
284 fclose(fin);
285 return 2;
286 }
287 }
288
289 // Read keys B from file
290 for (sectorNo=0; sectorNo<numSectors; sectorNo++) {
291 size_t bytes_read = fread(keyB[sectorNo], 1, 6, fin);
292 if (bytes_read != 6) {
293 PrintAndLog("File reading error.");
294 fclose(fin);
295 return 2;
296 }
297 }
298
299 fclose(fin);
300
301 PrintAndLog("|-----------------------------------------|");
302 PrintAndLog("|------ Reading sector access bits...-----|");
303 PrintAndLog("|-----------------------------------------|");
304 uint8_t tries = 0;
305 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
306 for (tries = 0; tries < 3; tries++) {
307 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};
308 memcpy(c.d.asBytes, keyA[sectorNo], 6);
309 SendCommand(&c);
310
311 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
312 uint8_t isOK = resp.arg[0] & 0xff;
313 uint8_t *data = resp.d.asBytes;
314 if (isOK){
315 rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0
316 rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1
317 rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2
318 rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer
319 break;
320 } else if (tries == 2) { // on last try set defaults
321 PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);
322 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
323 rights[sectorNo][3] = 0x01;
324 }
325 } else {
326 PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);
327 rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;
328 rights[sectorNo][3] = 0x01;
329 }
330 }
331 }
332
333 PrintAndLog("|-----------------------------------------|");
334 PrintAndLog("|----- Dumping all blocks to file... -----|");
335 PrintAndLog("|-----------------------------------------|");
336
337 bool isOK = true;
338 for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {
339 for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
340 bool received = false;
341 for (tries = 0; tries < 3; tries++) {
342 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A.
343 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
344 memcpy(c.d.asBytes, keyA[sectorNo], 6);
345 SendCommand(&c);
346 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
347 } else { // data block. Check if it can be read with key A or key B
348 uint8_t data_area = sectorNo<32?blockNo:blockNo/5;
349 if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work
350 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};
351 memcpy(c.d.asBytes, keyB[sectorNo], 6);
352 SendCommand(&c);
353 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
354 } else if (rights[sectorNo][data_area] == 0x07) { // no key would work
355 isOK = false;
356 PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);
357 tries = 2;
358 } else { // key A would work
359 UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};
360 memcpy(c.d.asBytes, keyA[sectorNo], 6);
361 SendCommand(&c);
362 received = WaitForResponseTimeout(CMD_ACK,&resp,1500);
363 }
364 }
365 if (received) {
366 isOK = resp.arg[0] & 0xff;
367 if (isOK) break;
368 }
369 }
370
371 if (received) {
372 isOK = resp.arg[0] & 0xff;
373 uint8_t *data = resp.d.asBytes;
374 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys.
375 data[0] = (keyA[sectorNo][0]);
376 data[1] = (keyA[sectorNo][1]);
377 data[2] = (keyA[sectorNo][2]);
378 data[3] = (keyA[sectorNo][3]);
379 data[4] = (keyA[sectorNo][4]);
380 data[5] = (keyA[sectorNo][5]);
381 data[10] = (keyB[sectorNo][0]);
382 data[11] = (keyB[sectorNo][1]);
383 data[12] = (keyB[sectorNo][2]);
384 data[13] = (keyB[sectorNo][3]);
385 data[14] = (keyB[sectorNo][4]);
386 data[15] = (keyB[sectorNo][5]);
387 }
388 if (isOK) {
389 memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16);
390 PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo);
391 } else {
392 PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo);
393 break;
394 }
395 }
396 else {
397 isOK = false;
398 PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo);
399 break;
400 }
401 }
402 }
403
404 if (isOK) {
405 if ((fout = fopen("dumpdata.bin","wb")) == NULL) {
406 PrintAndLog("Could not create file name dumpdata.bin");
407 return 1;
408 }
409 uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1);
410 fwrite(carddata, 1, 16*numblocks, fout);
411 fclose(fout);
412 PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);
413 }
414
415 return 0;
416 }
417
418 int CmdHF14AMfRestore(const char *Cmd)
419 {
420 uint8_t sectorNo,blockNo;
421 uint8_t keyType = 0;
422 uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
423 uint8_t bldata[16] = {0x00};
424 uint8_t keyA[40][6];
425 uint8_t keyB[40][6];
426 uint8_t numSectors;
427
428 FILE *fdump;
429 FILE *fkeys;
430
431 char cmdp = param_getchar(Cmd, 0);
432 switch (cmdp) {
433 case '0' : numSectors = 5; break;
434 case '1' :
435 case '\0': numSectors = 16; break;
436 case '2' : numSectors = 32; break;
437 case '4' : numSectors = 40; break;
438 default: numSectors = 16;
439 }
440
441 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
442 PrintAndLog("Usage: hf mf restore [card memory]");
443 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
444 PrintAndLog("");
445 PrintAndLog("Samples: hf mf restore");
446 PrintAndLog(" hf mf restore 4");
447 return 0;
448 }
449
450 if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {
451 PrintAndLog("Could not find file dumpkeys.bin");
452 return 1;
453 }
454
455 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
456 size_t bytes_read = fread(keyA[sectorNo], 1, 6, fkeys);
457 if (bytes_read != 6) {
458 PrintAndLog("File reading error (dumpkeys.bin).");
459 fclose(fkeys);
460 return 2;
461 }
462 }
463
464 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
465 size_t bytes_read = fread(keyB[sectorNo], 1, 6, fkeys);
466 if (bytes_read != 6) {
467 PrintAndLog("File reading error (dumpkeys.bin).");
468 fclose(fkeys);
469 return 2;
470 }
471 }
472
473 fclose(fkeys);
474
475 if ((fdump = fopen("dumpdata.bin","rb")) == NULL) {
476 PrintAndLog("Could not find file dumpdata.bin");
477 return 1;
478 }
479 PrintAndLog("Restoring dumpdata.bin to card");
480
481 for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {
482 for(blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) {
483 UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};
484 memcpy(c.d.asBytes, key, 6);
485
486 size_t bytes_read = fread(bldata, 1, 16, fdump);
487 if (bytes_read != 16) {
488 PrintAndLog("File reading error (dumpdata.bin).");
489 fclose(fdump);
490 return 2;
491 }
492
493 if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer
494 bldata[0] = (keyA[sectorNo][0]);
495 bldata[1] = (keyA[sectorNo][1]);
496 bldata[2] = (keyA[sectorNo][2]);
497 bldata[3] = (keyA[sectorNo][3]);
498 bldata[4] = (keyA[sectorNo][4]);
499 bldata[5] = (keyA[sectorNo][5]);
500 bldata[10] = (keyB[sectorNo][0]);
501 bldata[11] = (keyB[sectorNo][1]);
502 bldata[12] = (keyB[sectorNo][2]);
503 bldata[13] = (keyB[sectorNo][3]);
504 bldata[14] = (keyB[sectorNo][4]);
505 bldata[15] = (keyB[sectorNo][5]);
506 }
507
508 PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16));
509
510 memcpy(c.d.asBytes + 10, bldata, 16);
511 SendCommand(&c);
512
513 UsbCommand resp;
514 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
515 uint8_t isOK = resp.arg[0] & 0xff;
516 PrintAndLog("isOk:%02x", isOK);
517 } else {
518 PrintAndLog("Command execute timeout");
519 }
520 }
521 }
522
523 fclose(fdump);
524 return 0;
525 }
526
527 //----------------------------------------------
528 // Nested
529 //----------------------------------------------
530
531 static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) {
532 char ctmp3[3] = {0};
533 int len = param_getlength(Cmd, indx);
534 if (len > 0 && len < 4){
535 param_getstr(Cmd, indx, ctmp3, sizeof(ctmp3));
536
537 *paramT |= (ctmp3[0] == 't' || ctmp3[0] == 'T');
538 *paramD |= (ctmp3[0] == 'd' || ctmp3[0] == 'D');
539 bool paramS1 = *paramT || *paramD;
540
541 // slow and very slow
542 if (ctmp3[0] == 's' || ctmp3[0] == 'S' || ctmp3[1] == 's' || ctmp3[1] == 'S') {
543 *timeout = 11; // slow
544
545 if (!paramS1 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) {
546 *timeout = 53; // very slow
547 }
548 if (paramS1 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) {
549 *timeout = 53; // very slow
550 }
551 }
552 }
553 }
554
555 int CmdHF14AMfNested(const char *Cmd)
556 {
557 int i, j, res, iterations;
558 sector_t *e_sector = NULL;
559 uint8_t blockNo = 0;
560 uint8_t keyType = 0;
561 uint8_t trgBlockNo = 0;
562 uint8_t trgKeyType = 0;
563 uint8_t SectorsCnt = 0;
564 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
565 uint8_t keyBlock[MifareDefaultKeysSize * 6];
566 uint64_t key64 = 0;
567 // timeout in units. (ms * 106)/10 or us*0.0106
568 uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default
569
570 bool autosearchKey = false;
571
572 bool transferToEml = false;
573 bool createDumpFile = false;
574 FILE *fkeys;
575 uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
576 uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
577
578 char cmdp, ctmp;
579
580 if (strlen(Cmd)<3) {
581 PrintAndLog("Usage:");
582 PrintAndLog(" all sectors: hf mf nested <card memory> <block number> <key A/B> <key (12 hex symbols)> [t|d|s|ss]");
583 PrintAndLog(" all sectors autosearch key: hf mf nested <card memory> * [t|d|s|ss]");
584 PrintAndLog(" one sector: hf mf nested o <block number> <key A/B> <key (12 hex symbols)>");
585 PrintAndLog(" <target block number> <target key A/B> [t]");
586 PrintAndLog(" ");
587 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
588 PrintAndLog("t - transfer keys to emulator memory");
589 PrintAndLog("d - write keys to binary file dumpkeys.bin");
590 PrintAndLog("s - Slow (1ms) check keys (required by some non standard cards)");
591 PrintAndLog("ss - Very slow (5ms) check keys");
592 PrintAndLog(" ");
593 PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF ");
594 PrintAndLog(" sample2: hf mf nested 1 0 A FFFFFFFFFFFF t ");
595 PrintAndLog(" sample3: hf mf nested 1 0 A FFFFFFFFFFFF d ");
596 PrintAndLog(" sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A");
597 PrintAndLog(" sample5: hf mf nested 1 * t");
598 PrintAndLog(" sample6: hf mf nested 1 * ss");
599 return 0;
600 }
601
602 // <card memory>
603 cmdp = param_getchar(Cmd, 0);
604 if (cmdp == 'o' || cmdp == 'O') {
605 cmdp = 'o';
606 SectorsCnt = 1;
607 } else {
608 SectorsCnt = ParamCardSizeSectors(cmdp);
609 }
610
611 // <block number>. number or autosearch key (*)
612 if (param_getchar(Cmd, 1) == '*') {
613 autosearchKey = true;
614
615 parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a);
616
617 PrintAndLog("--nested. sectors:%2d, block no:*, eml:%c, dmp=%c checktimeout=%d us",
618 SectorsCnt, transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);
619 } else {
620 blockNo = param_get8(Cmd, 1);
621
622 ctmp = param_getchar(Cmd, 2);
623 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
624 PrintAndLog("Key type must be A or B");
625 return 1;
626 }
627
628 if (ctmp != 'A' && ctmp != 'a')
629 keyType = 1;
630
631 if (param_gethex(Cmd, 3, key, 12)) {
632 PrintAndLog("Key must include 12 HEX symbols");
633 return 1;
634 }
635
636 // check if we can authenticate to sector
637 res = mfCheckKeys(blockNo, keyType, true, 1, key, &key64);
638 if (res) {
639 PrintAndLog("Can't authenticate to block:%3d key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
640 return 3;
641 }
642
643 // one sector nested
644 if (cmdp == 'o') {
645 trgBlockNo = param_get8(Cmd, 4);
646
647 ctmp = param_getchar(Cmd, 5);
648 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
649 PrintAndLog("Target key type must be A or B");
650 return 1;
651 }
652 if (ctmp != 'A' && ctmp != 'a')
653 trgKeyType = 1;
654
655 parseParamTDS(Cmd, 6, &transferToEml, &createDumpFile, &btimeout14a);
656 } else {
657 parseParamTDS(Cmd, 4, &transferToEml, &createDumpFile, &btimeout14a);
658 }
659
660 PrintAndLog("--nested. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us",
661 SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106);
662 }
663
664 // one-sector nested
665 if (cmdp == 'o') { // ------------------------------------ one sector working
666 PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A');
667 int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true);
668 if (isOK) {
669 switch (isOK) {
670 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
671 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
672 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
673 default : PrintAndLog("Unknown Error.\n");
674 }
675 return 2;
676 }
677 key64 = bytes_to_num(keyBlock, 6);
678 if (key64) {
679 PrintAndLog("Found valid key:%012" PRIx64, key64);
680
681 // transfer key to the emulator
682 if (transferToEml) {
683 uint8_t sectortrailer;
684 if (trgBlockNo < 32*4) { // 4 block sector
685 sectortrailer = (trgBlockNo & 0x03) + 3;
686 } else { // 16 block sector
687 sectortrailer = (trgBlockNo & 0x0f) + 15;
688 }
689 mfEmlGetMem(keyBlock, sectortrailer, 1);
690
691 if (!trgKeyType)
692 num_to_bytes(key64, 6, keyBlock);
693 else
694 num_to_bytes(key64, 6, &keyBlock[10]);
695 mfEmlSetMem(keyBlock, sectortrailer, 1);
696 PrintAndLog("Key transferred to emulator memory.");
697 }
698 } else {
699 PrintAndLog("No valid key found");
700 }
701 }
702 else { // ------------------------------------ multiple sectors working
703 uint64_t msclock1;
704 msclock1 = msclock();
705
706 e_sector = calloc(SectorsCnt, sizeof(sector_t));
707 if (e_sector == NULL) return 1;
708
709 //test current key and additional standard keys first
710 for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){
711 num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
712 }
713
714 PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
715 mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, MifareDefaultKeysSize, keyBlock, e_sector);
716
717 // get known key from array
718 bool keyFound = false;
719 if (autosearchKey) {
720 for (i = 0; i < SectorsCnt; i++) {
721 for (j = 0; j < 2; j++) {
722 if (e_sector[i].foundKey[j]) {
723 // get known key
724 blockNo = i * 4;
725 keyType = j;
726 num_to_bytes(e_sector[i].Key[j], 6, key);
727
728 keyFound = true;
729 break;
730 }
731 }
732 if (keyFound) break;
733 }
734
735 // Can't found a key....
736 if (!keyFound) {
737 PrintAndLog("Can't found any of the known keys.");
738 return 4;
739 }
740 PrintAndLog("--auto key. block no:%3d, key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6));
741 }
742
743 // nested sectors
744 iterations = 0;
745 PrintAndLog("nested...");
746 bool calibrate = true;
747 for (i = 0; i < NESTED_SECTOR_RETRY; i++) {
748 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
749 for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) {
750 if (e_sector[sectorNo].foundKey[trgKeyType]) continue;
751 PrintAndLog("-----------------------------------------------");
752 int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate);
753 if(isOK) {
754 switch (isOK) {
755 case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
756 case -2 : PrintAndLog("Button pressed. Aborted.\n"); break;
757 case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break;
758 default : PrintAndLog("Unknown Error.\n");
759 }
760 free(e_sector);
761 return 2;
762 } else {
763 calibrate = false;
764 }
765
766 iterations++;
767
768 key64 = bytes_to_num(keyBlock, 6);
769 if (key64) {
770 PrintAndLog("Found valid key:%012" PRIx64, key64);
771 e_sector[sectorNo].foundKey[trgKeyType] = 1;
772 e_sector[sectorNo].Key[trgKeyType] = key64;
773
774 // try to check this key as a key to the other sectors
775 mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, 1, keyBlock, e_sector);
776 }
777 }
778 }
779 }
780
781 // print nested statistic
782 PrintAndLog("\n\n-----------------------------------------------\nNested statistic:\nIterations count: %d", iterations);
783 PrintAndLog("Time in nested: %1.3f (%1.3f sec per key)", ((float)(msclock() - msclock1))/1000.0, ((float)(msclock() - msclock1))/iterations/1000.0);
784
785 // print result
786 PrintAndLog("|---|----------------|---|----------------|---|");
787 PrintAndLog("|sec|key A |res|key B |res|");
788 PrintAndLog("|---|----------------|---|----------------|---|");
789 for (i = 0; i < SectorsCnt; i++) {
790 PrintAndLog("|%03d| %012" PRIx64 " | %d | %012" PRIx64 " | %d |", i,
791 e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);
792 }
793 PrintAndLog("|---|----------------|---|----------------|---|");
794
795 // transfer keys to the emulator memory
796 if (transferToEml) {
797 for (i = 0; i < SectorsCnt; i++) {
798 mfEmlGetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
799 if (e_sector[i].foundKey[0])
800 num_to_bytes(e_sector[i].Key[0], 6, keyBlock);
801 if (e_sector[i].foundKey[1])
802 num_to_bytes(e_sector[i].Key[1], 6, &keyBlock[10]);
803 mfEmlSetMem(keyBlock, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1);
804 }
805 PrintAndLog("Keys transferred to emulator memory.");
806 }
807
808 // Create dump file
809 if (createDumpFile) {
810 if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) {
811 PrintAndLog("Could not create file dumpkeys.bin");
812 free(e_sector);
813 return 1;
814 }
815 PrintAndLog("Printing keys to binary file dumpkeys.bin...");
816 for(i=0; i<SectorsCnt; i++) {
817 if (e_sector[i].foundKey[0]){
818 num_to_bytes(e_sector[i].Key[0], 6, tempkey);
819 fwrite ( tempkey, 1, 6, fkeys );
820 }
821 else{
822 fwrite ( &standart, 1, 6, fkeys );
823 }
824 }
825 for(i=0; i<SectorsCnt; i++) {
826 if (e_sector[i].foundKey[1]){
827 num_to_bytes(e_sector[i].Key[1], 6, tempkey);
828 fwrite ( tempkey, 1, 6, fkeys );
829 }
830 else{
831 fwrite ( &standart, 1, 6, fkeys );
832 }
833 }
834 fclose(fkeys);
835 }
836
837 free(e_sector);
838 }
839 return 0;
840 }
841
842
843 int CmdHF14AMfNestedHard(const char *Cmd)
844 {
845 uint8_t blockNo = 0;
846 uint8_t keyType = 0;
847 uint8_t trgBlockNo = 0;
848 uint8_t trgKeyType = 0;
849 uint8_t key[6] = {0, 0, 0, 0, 0, 0};
850 uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0};
851
852 char ctmp;
853 ctmp = param_getchar(Cmd, 0);
854
855 if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) {
856 PrintAndLog("Usage:");
857 PrintAndLog(" hf mf hardnested <block number> <key A|B> <key (12 hex symbols)>");
858 PrintAndLog(" <target block number> <target key A|B> [known target key (12 hex symbols)] [w] [s]");
859 PrintAndLog(" or hf mf hardnested r [known target key]");
860 PrintAndLog(" ");
861 PrintAndLog("Options: ");
862 PrintAndLog(" w: Acquire nonces and write them to binary file nonces.bin");
863 PrintAndLog(" s: Slower acquisition (required by some non standard cards)");
864 PrintAndLog(" r: Read nonces.bin and start attack");
865 PrintAndLog(" ");
866 PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A");
867 PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w");
868 PrintAndLog(" sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s");
869 PrintAndLog(" sample4: hf mf hardnested r");
870 PrintAndLog(" ");
871 PrintAndLog("Add the known target key to check if it is present in the remaining key space:");
872 PrintAndLog(" sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF");
873 return 0;
874 }
875
876 bool know_target_key = false;
877 bool nonce_file_read = false;
878 bool nonce_file_write = false;
879 bool slow = false;
880 int tests = 0;
881
882
883 if (ctmp == 'R' || ctmp == 'r') {
884 nonce_file_read = true;
885 if (!param_gethex(Cmd, 1, trgkey, 12)) {
886 know_target_key = true;
887 }
888 } else if (ctmp == 'T' || ctmp == 't') {
889 tests = param_get32ex(Cmd, 1, 100, 10);
890 if (!param_gethex(Cmd, 2, trgkey, 12)) {
891 know_target_key = true;
892 }
893 } else {
894 blockNo = param_get8(Cmd, 0);
895 ctmp = param_getchar(Cmd, 1);
896 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
897 PrintAndLog("Key type must be A or B");
898 return 1;
899 }
900 if (ctmp != 'A' && ctmp != 'a') {
901 keyType = 1;
902 }
903
904 if (param_gethex(Cmd, 2, key, 12)) {
905 PrintAndLog("Key must include 12 HEX symbols");
906 return 1;
907 }
908
909 trgBlockNo = param_get8(Cmd, 3);
910 ctmp = param_getchar(Cmd, 4);
911 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
912 PrintAndLog("Target key type must be A or B");
913 return 1;
914 }
915 if (ctmp != 'A' && ctmp != 'a') {
916 trgKeyType = 1;
917 }
918
919 uint16_t i = 5;
920
921 if (!param_gethex(Cmd, 5, trgkey, 12)) {
922 know_target_key = true;
923 i++;
924 }
925
926 while ((ctmp = param_getchar(Cmd, i))) {
927 if (ctmp == 's' || ctmp == 'S') {
928 slow = true;
929 } else if (ctmp == 'w' || ctmp == 'W') {
930 nonce_file_write = true;
931 } else {
932 PrintAndLog("Possible options are w and/or s");
933 return 1;
934 }
935 i++;
936 }
937 }
938
939 PrintAndLog("--target block no:%3d, target key type:%c, known target key: 0x%02x%02x%02x%02x%02x%02x%s, file action: %s, Slow: %s, Tests: %d ",
940 trgBlockNo,
941 trgKeyType?'B':'A',
942 trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5],
943 know_target_key?"":" (not set)",
944 nonce_file_write?"write":nonce_file_read?"read":"none",
945 slow?"Yes":"No",
946 tests);
947
948 int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests);
949
950 if (isOK) {
951 switch (isOK) {
952 case 1 : PrintAndLog("Error: No response from Proxmark.\n"); break;
953 case 2 : PrintAndLog("Button pressed. Aborted.\n"); break;
954 default : break;
955 }
956 return 2;
957 }
958
959 return 0;
960 }
961
962
963 int CmdHF14AMfChk(const char *Cmd)
964 {
965 if (strlen(Cmd)<3) {
966 PrintAndLog("Usage: hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t|d|s|ss] [<key (12 hex symbols)>] [<dic (*.dic)>]");
967 PrintAndLog(" * - all sectors");
968 PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");
969 PrintAndLog("d - write keys to binary file\n");
970 PrintAndLog("t - write keys to emulator memory");
971 PrintAndLog("s - slow execute. timeout 1ms");
972 PrintAndLog("ss- very slow execute. timeout 5ms");
973 PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic");
974 PrintAndLog(" hf mf chk *1 ? t");
975 PrintAndLog(" hf mf chk *1 ? d");
976 PrintAndLog(" hf mf chk *1 ? s");
977 PrintAndLog(" hf mf chk *1 ? dss");
978 return 0;
979 }
980
981 FILE * f;
982 char filename[FILE_PATH_SIZE]={0};
983 char buf[13];
984 uint8_t *keyBlock = NULL, *p;
985 uint16_t stKeyBlock = 20;
986
987 int i, res;
988 int keycnt = 0;
989 char ctmp = 0x00;
990 char ctmp3[3] = {0x00};
991 uint8_t blockNo = 0;
992 uint8_t SectorsCnt = 0;
993 uint8_t keyType = 0;
994 uint64_t key64 = 0;
995 uint32_t timeout14a = 0; // timeout in us
996 bool param3InUse = false;
997
998 int transferToEml = 0;
999 int createDumpFile = 0;
1000
1001 sector_t *e_sector = NULL;
1002
1003 keyBlock = calloc(stKeyBlock, 6);
1004 if (keyBlock == NULL) return 1;
1005
1006 int defaultKeysSize = MifareDefaultKeysSize;
1007 for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++){
1008 num_to_bytes(MifareDefaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));
1009 }
1010
1011 if (param_getchar(Cmd, 0)=='*') {
1012 SectorsCnt = ParamCardSizeSectors(param_getchar(Cmd + 1, 0));
1013 }
1014 else
1015 blockNo = param_get8(Cmd, 0);
1016
1017 ctmp = param_getchar(Cmd, 1);
1018 switch (ctmp) {
1019 case 'a': case 'A':
1020 keyType = 0;
1021 break;
1022 case 'b': case 'B':
1023 keyType = 1;
1024 break;
1025 case '?':
1026 keyType = 2;
1027 break;
1028 default:
1029 PrintAndLog("Key type must be A , B or ?");
1030 free(keyBlock);
1031 return 1;
1032 };
1033
1034 // transfer to emulator & create dump file
1035 ctmp = param_getchar(Cmd, 2);
1036 if (ctmp == 't' || ctmp == 'T') transferToEml = 1;
1037 if (ctmp == 'd' || ctmp == 'D') createDumpFile = 1;
1038
1039 param3InUse = transferToEml | createDumpFile;
1040
1041 timeout14a = 500; // fast by default
1042 // double parameters - ts, ds
1043 int clen = param_getlength(Cmd, 2);
1044 if (clen == 2 || clen == 3){
1045 param_getstr(Cmd, 2, ctmp3, sizeof(ctmp3));
1046 ctmp = ctmp3[1];
1047 }
1048 //parse
1049 if (ctmp == 's' || ctmp == 'S') {
1050 timeout14a = 1000; // slow
1051 if (!param3InUse && clen == 2 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) {
1052 timeout14a = 5000; // very slow
1053 }
1054 if (param3InUse && clen == 3 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) {
1055 timeout14a = 5000; // very slow
1056 }
1057 param3InUse = true;
1058 }
1059
1060 for (i = param3InUse; param_getchar(Cmd, 2 + i); i++) {
1061 if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) {
1062 if ( stKeyBlock - keycnt < 2) {
1063 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1064 if (!p) {
1065 PrintAndLog("Cannot allocate memory for Keys");
1066 free(keyBlock);
1067 return 2;
1068 }
1069 keyBlock = p;
1070 }
1071 PrintAndLog("chk key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1072 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1073 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1074 keycnt++;
1075 } else {
1076 // May be a dic file
1077 if ( param_getstr(Cmd, 2 + i, filename, sizeof(filename)) >= FILE_PATH_SIZE ) {
1078 PrintAndLog("File name too long");
1079 free(keyBlock);
1080 return 2;
1081 }
1082
1083 if ( (f = fopen( filename , "r")) ) {
1084 while( fgets(buf, sizeof(buf), f) ){
1085 if (strlen(buf) < 12 || buf[11] == '\n')
1086 continue;
1087
1088 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1089
1090 if( buf[0]=='#' ) continue; //The line start with # is comment, skip
1091
1092 if (!isxdigit(buf[0])){
1093 PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);
1094 continue;
1095 }
1096
1097 buf[12] = 0;
1098
1099 if ( stKeyBlock - keycnt < 2) {
1100 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1101 if (!p) {
1102 PrintAndLog("Cannot allocate memory for defKeys");
1103 free(keyBlock);
1104 fclose(f);
1105 return 2;
1106 }
1107 keyBlock = p;
1108 }
1109 memset(keyBlock + 6 * keycnt, 0, 6);
1110 num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);
1111 PrintAndLog("chk custom key[%2d] %012" PRIx64 , keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));
1112 keycnt++;
1113 memset(buf, 0, sizeof(buf));
1114 }
1115 fclose(f);
1116 } else {
1117 PrintAndLog("File: %s: not found or locked.", filename);
1118 free(keyBlock);
1119 return 1;
1120
1121 }
1122 }
1123 }
1124
1125 // fill with default keys
1126 if (keycnt == 0) {
1127 PrintAndLog("No key specified, trying default keys");
1128 for (;keycnt < defaultKeysSize; keycnt++)
1129 PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt,
1130 (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],
1131 (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6);
1132 }
1133
1134 // initialize storage for found keys
1135 e_sector = calloc(SectorsCnt, sizeof(sector_t));
1136 if (e_sector == NULL) return 1;
1137 for (uint8_t keyAB = 0; keyAB < 2; keyAB++) {
1138 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1139 e_sector[sectorNo].Key[keyAB] = 0xffffffffffff;
1140 e_sector[sectorNo].foundKey[keyAB] = 0;
1141 }
1142 }
1143 printf("\n");
1144
1145 bool foundAKey = false;
1146 uint32_t max_keys = keycnt > USB_CMD_DATA_SIZE / 6 ? USB_CMD_DATA_SIZE / 6 : keycnt;
1147 if (SectorsCnt) {
1148 PrintAndLog("To cancel this operation press the button on the proxmark...");
1149 printf("--");
1150 for (uint32_t c = 0; c < keycnt; c += max_keys) {
1151
1152 uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;
1153 res = mfCheckKeysSec(SectorsCnt, keyType, timeout14a * 1.06 / 100, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106
1154
1155 if (res != 1) {
1156 if (!res) {
1157 printf("o");
1158 foundAKey = true;
1159 } else {
1160 printf(".");
1161 }
1162 } else {
1163 printf("\n");
1164 PrintAndLog("Command execute timeout");
1165 }
1166 }
1167 } else {
1168 int keyAB = keyType;
1169 do {
1170 for (uint32_t c = 0; c < keycnt; c+=max_keys) {
1171
1172 uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c;
1173 res = mfCheckKeys(blockNo, keyAB & 0x01, true, size, &keyBlock[6 * c], &key64);
1174
1175 if (res != 1) {
1176 if (!res) {
1177 PrintAndLog("Found valid key:[%d:%c]%012" PRIx64, blockNo, (keyAB & 0x01)?'B':'A', key64);
1178 foundAKey = true;
1179 }
1180 } else {
1181 PrintAndLog("Command execute timeout");
1182 }
1183 }
1184 } while(--keyAB > 0);
1185 }
1186
1187 // print result
1188 if (foundAKey) {
1189 if (SectorsCnt) {
1190 PrintAndLog("");
1191 PrintAndLog("|---|----------------|---|----------------|---|");
1192 PrintAndLog("|sec|key A |res|key B |res|");
1193 PrintAndLog("|---|----------------|---|----------------|---|");
1194 for (i = 0; i < SectorsCnt; i++) {
1195 PrintAndLog("|%03d| %012" PRIx64 " | %d | %012" PRIx64 " | %d |", i,
1196 e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);
1197 }
1198 PrintAndLog("|---|----------------|---|----------------|---|");
1199 }
1200 } else {
1201 PrintAndLog("");
1202 PrintAndLog("No valid keys found.");
1203 }
1204
1205 if (transferToEml) {
1206 uint8_t block[16];
1207 for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1208 if (e_sector[sectorNo].foundKey[0] || e_sector[sectorNo].foundKey[1]) {
1209 mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1210 for (uint16_t t = 0; t < 2; t++) {
1211 if (e_sector[sectorNo].foundKey[t]) {
1212 num_to_bytes(e_sector[sectorNo].Key[t], 6, block + t * 10);
1213 }
1214 }
1215 mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1);
1216 }
1217 }
1218 PrintAndLog("Found keys have been transferred to the emulator memory");
1219 }
1220
1221 if (createDumpFile) {
1222 FILE *fkeys = fopen("dumpkeys.bin","wb");
1223 if (fkeys == NULL) {
1224 PrintAndLog("Could not create file dumpkeys.bin");
1225 free(e_sector);
1226 free(keyBlock);
1227 return 1;
1228 }
1229 uint8_t mkey[6];
1230 for (uint8_t t = 0; t < 2; t++) {
1231 for (uint8_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) {
1232 num_to_bytes(e_sector[sectorNo].Key[t], 6, mkey);
1233 fwrite(mkey, 1, 6, fkeys);
1234 }
1235 }
1236 fclose(fkeys);
1237 PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys.");
1238 }
1239
1240 free(e_sector);
1241 free(keyBlock);
1242 PrintAndLog("");
1243 return 0;
1244 }
1245
1246 void readerAttack(nonces_t ar_resp[], bool setEmulatorMem, bool doStandardAttack) {
1247 #define ATTACK_KEY_COUNT 7 // keep same as define in iso14443a.c -> Mifare1ksim()
1248 // cannot be more than 7 or it will overrun c.d.asBytes(512)
1249 uint64_t key = 0;
1250 typedef struct {
1251 uint64_t keyA;
1252 uint64_t keyB;
1253 } st_t;
1254 st_t sector_trailer[ATTACK_KEY_COUNT];
1255 memset(sector_trailer, 0x00, sizeof(sector_trailer));
1256
1257 uint8_t stSector[ATTACK_KEY_COUNT];
1258 memset(stSector, 0x00, sizeof(stSector));
1259 uint8_t key_cnt[ATTACK_KEY_COUNT];
1260 memset(key_cnt, 0x00, sizeof(key_cnt));
1261
1262 for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {
1263 if (ar_resp[i].ar2 > 0) {
1264 //PrintAndLog("DEBUG: Trying sector %d, cuid %08x, nt %08x, ar %08x, nr %08x, ar2 %08x, nr2 %08x",ar_resp[i].sector, ar_resp[i].cuid,ar_resp[i].nonce,ar_resp[i].ar,ar_resp[i].nr,ar_resp[i].ar2,ar_resp[i].nr2);
1265 if (doStandardAttack && mfkey32(ar_resp[i], &key)) {
1266 PrintAndLog(" Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));
1267
1268 for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {
1269 if (key_cnt[ii]==0 || stSector[ii]==ar_resp[i].sector) {
1270 if (ar_resp[i].keytype==0) {
1271 //keyA
1272 sector_trailer[ii].keyA = key;
1273 stSector[ii] = ar_resp[i].sector;
1274 key_cnt[ii]++;
1275 break;
1276 } else {
1277 //keyB
1278 sector_trailer[ii].keyB = key;
1279 stSector[ii] = ar_resp[i].sector;
1280 key_cnt[ii]++;
1281 break;
1282 }
1283 }
1284 }
1285 } else if (mfkey32_moebius(ar_resp[i+ATTACK_KEY_COUNT], &key)) {
1286 uint8_t sectorNum = ar_resp[i+ATTACK_KEY_COUNT].sector;
1287 uint8_t keyType = ar_resp[i+ATTACK_KEY_COUNT].keytype;
1288
1289 PrintAndLog("M-Found Key%s for sector %02d: [%012" PRIx64 "]"
1290 , keyType ? "B" : "A"
1291 , sectorNum
1292 , key
1293 );
1294
1295 for (uint8_t ii = 0; ii<ATTACK_KEY_COUNT; ii++) {
1296 if (key_cnt[ii]==0 || stSector[ii]==sectorNum) {
1297 if (keyType==0) {
1298 //keyA
1299 sector_trailer[ii].keyA = key;
1300 stSector[ii] = sectorNum;
1301 key_cnt[ii]++;
1302 break;
1303 } else {
1304 //keyB
1305 sector_trailer[ii].keyB = key;
1306 stSector[ii] = sectorNum;
1307 key_cnt[ii]++;
1308 break;
1309 }
1310 }
1311 }
1312 continue;
1313 }
1314 }
1315 }
1316 //set emulator memory for keys
1317 if (setEmulatorMem) {
1318 for (uint8_t i = 0; i<ATTACK_KEY_COUNT; i++) {
1319 if (key_cnt[i]>0) {
1320 uint8_t memBlock[16];
1321 memset(memBlock, 0x00, sizeof(memBlock));
1322 char cmd1[36];
1323 memset(cmd1,0x00,sizeof(cmd1));
1324 snprintf(cmd1,sizeof(cmd1),"%04x%08xFF078069%04x%08x",(uint32_t) (sector_trailer[i].keyA>>32), (uint32_t) (sector_trailer[i].keyA &0xFFFFFFFF),(uint32_t) (sector_trailer[i].keyB>>32), (uint32_t) (sector_trailer[i].keyB &0xFFFFFFFF));
1325 PrintAndLog("Setting Emulator Memory Block %02d: [%s]",stSector[i]*4+3, cmd1);
1326 if (param_gethex(cmd1, 0, memBlock, 32)) {
1327 PrintAndLog("block data must include 32 HEX symbols");
1328 return;
1329 }
1330
1331 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {(stSector[i]*4+3), 1, 0}};
1332 memcpy(c.d.asBytes, memBlock, 16);
1333 clearCommandBuffer();
1334 SendCommand(&c);
1335 }
1336 }
1337 }
1338 /*
1339 //un-comment to use as well moebius attack
1340 for (uint8_t i = ATTACK_KEY_COUNT; i<ATTACK_KEY_COUNT*2; i++) {
1341 if (ar_resp[i].ar2 > 0) {
1342 if (tryMfk32_moebius(ar_resp[i], &key)) {
1343 PrintAndLog("M-Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));
1344 }
1345 }
1346 }*/
1347 }
1348
1349 int usage_hf14_mf1ksim(void) {
1350 PrintAndLog("Usage: hf mf sim h u <uid (8, 14, or 20 hex symbols)> n <numreads> i x");
1351 PrintAndLog("options:");
1352 PrintAndLog(" h this help");
1353 PrintAndLog(" u (Optional) UID 4,7 or 10 bytes. If not specified, the UID 4B from emulator memory will be used");
1354 PrintAndLog(" n (Optional) Automatically exit simulation after <numreads> blocks have been read by reader. 0 = infinite");
1355 PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted");
1356 PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)");
1357 PrintAndLog(" e (Optional) set keys found from 'reader attack' to emulator memory (implies x and i)");
1358 PrintAndLog(" f (Optional) get UIDs to use for 'reader attack' from file 'f <filename.txt>' (implies x and i)");
1359 PrintAndLog(" r (Optional) Generate random nonces instead of sequential nonces. Standard reader attack won't work with this option, only moebius attack works.");
1360 PrintAndLog("samples:");
1361 PrintAndLog(" hf mf sim u 0a0a0a0a");
1362 PrintAndLog(" hf mf sim u 11223344556677");
1363 PrintAndLog(" hf mf sim u 112233445566778899AA");
1364 PrintAndLog(" hf mf sim f uids.txt");
1365 PrintAndLog(" hf mf sim u 0a0a0a0a e");
1366
1367 return 0;
1368 }
1369
1370 int CmdHF14AMf1kSim(const char *Cmd) {
1371 UsbCommand resp;
1372 uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
1373 uint8_t exitAfterNReads = 0;
1374 uint8_t flags = 0;
1375 int uidlen = 0;
1376 uint8_t pnr = 0;
1377 bool setEmulatorMem = false;
1378 bool attackFromFile = false;
1379 FILE *f;
1380 char filename[FILE_PATH_SIZE];
1381 memset(filename, 0x00, sizeof(filename));
1382 int len = 0;
1383 char buf[64];
1384
1385 uint8_t cmdp = 0;
1386 bool errors = false;
1387
1388 while(param_getchar(Cmd, cmdp) != 0x00) {
1389 switch(param_getchar(Cmd, cmdp)) {
1390 case 'e':
1391 case 'E':
1392 setEmulatorMem = true;
1393 //implies x and i
1394 flags |= FLAG_INTERACTIVE;
1395 flags |= FLAG_NR_AR_ATTACK;
1396 cmdp++;
1397 break;
1398 case 'f':
1399 case 'F':
1400 len = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
1401 if (len < 1) {
1402 PrintAndLog("error no filename found");
1403 return 0;
1404 }
1405 attackFromFile = true;
1406 //implies x and i
1407 flags |= FLAG_INTERACTIVE;
1408 flags |= FLAG_NR_AR_ATTACK;
1409 cmdp += 2;
1410 break;
1411 case 'h':
1412 case 'H':
1413 return usage_hf14_mf1ksim();
1414 case 'i':
1415 case 'I':
1416 flags |= FLAG_INTERACTIVE;
1417 cmdp++;
1418 break;
1419 case 'n':
1420 case 'N':
1421 exitAfterNReads = param_get8(Cmd, pnr+1);
1422 cmdp += 2;
1423 break;
1424 case 'r':
1425 case 'R':
1426 flags |= FLAG_RANDOM_NONCE;
1427 cmdp++;
1428 break;
1429 case 'u':
1430 case 'U':
1431 param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);
1432 switch(uidlen) {
1433 case 20: flags = FLAG_10B_UID_IN_DATA; break; //not complete
1434 case 14: flags = FLAG_7B_UID_IN_DATA; break;
1435 case 8: flags = FLAG_4B_UID_IN_DATA; break;
1436 default: return usage_hf14_mf1ksim();
1437 }
1438 cmdp += 2;
1439 break;
1440 case 'x':
1441 case 'X':
1442 flags |= FLAG_NR_AR_ATTACK;
1443 cmdp++;
1444 break;
1445 default:
1446 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
1447 errors = true;
1448 break;
1449 }
1450 if(errors) break;
1451 }
1452 //Validations
1453 if(errors) return usage_hf14_mf1ksim();
1454
1455 //get uid from file
1456 if (attackFromFile) {
1457 int count = 0;
1458 // open file
1459 f = fopen(filename, "r");
1460 if (f == NULL) {
1461 PrintAndLog("File %s not found or locked", filename);
1462 return 1;
1463 }
1464 PrintAndLog("Loading file and simulating. Press keyboard to abort");
1465 while(!feof(f) && !ukbhit()){
1466 memset(buf, 0, sizeof(buf));
1467 memset(uid, 0, sizeof(uid));
1468
1469 if (fgets(buf, sizeof(buf), f) == NULL) {
1470 if (count > 0) break;
1471
1472 PrintAndLog("File reading error.");
1473 fclose(f);
1474 return 2;
1475 }
1476 if(!strlen(buf) && feof(f)) break;
1477
1478 uidlen = strlen(buf)-1;
1479 switch(uidlen) {
1480 case 20: flags |= FLAG_10B_UID_IN_DATA; break; //not complete
1481 case 14: flags |= FLAG_7B_UID_IN_DATA; break;
1482 case 8: flags |= FLAG_4B_UID_IN_DATA; break;
1483 default:
1484 PrintAndLog("uid in file wrong length at %d (length: %d) [%s]",count, uidlen, buf);
1485 fclose(f);
1486 return 2;
1487 }
1488
1489 for (uint8_t i = 0; i < uidlen; i += 2) {
1490 sscanf(&buf[i], "%02x", (unsigned int *)&uid[i / 2]);
1491 }
1492
1493 PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) - press button to abort",
1494 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1495 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7):
1496 flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A"
1497 , exitAfterNReads, flags, flags);
1498
1499 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1500 memcpy(c.d.asBytes, uid, sizeof(uid));
1501 clearCommandBuffer();
1502 SendCommand(&c);
1503
1504 while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1505 //We're waiting only 1.5 s at a time, otherwise we get the
1506 // annoying message about "Waiting for a response... "
1507 }
1508 //got a response
1509 nonces_t ar_resp[ATTACK_KEY_COUNT*2];
1510 memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));
1511 // We can skip the standard attack if we have RANDOM_NONCE set.
1512 readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));
1513 if ((bool)resp.arg[1]) {
1514 PrintAndLog("Device button pressed - quitting");
1515 fclose(f);
1516 return 4;
1517 }
1518 count++;
1519 }
1520 fclose(f);
1521 } else { //not from file
1522
1523 PrintAndLog("mf 1k sim uid: %s, numreads:%d, flags:%d (0x%02x) ",
1524 flags & FLAG_4B_UID_IN_DATA ? sprint_hex(uid,4):
1525 flags & FLAG_7B_UID_IN_DATA ? sprint_hex(uid,7):
1526 flags & FLAG_10B_UID_IN_DATA ? sprint_hex(uid,10): "N/A"
1527 , exitAfterNReads, flags, flags);
1528
1529 UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}};
1530 memcpy(c.d.asBytes, uid, sizeof(uid));
1531 clearCommandBuffer();
1532 SendCommand(&c);
1533
1534 if(flags & FLAG_INTERACTIVE) {
1535 PrintAndLog("Press pm3-button to abort simulation");
1536 while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1537 //We're waiting only 1.5 s at a time, otherwise we get the
1538 // annoying message about "Waiting for a response... "
1539 }
1540 //got a response
1541 if (flags & FLAG_NR_AR_ATTACK) {
1542 nonces_t ar_resp[ATTACK_KEY_COUNT*2];
1543 memcpy(ar_resp, resp.d.asBytes, sizeof(ar_resp));
1544 // We can skip the standard attack if we have RANDOM_NONCE set.
1545 readerAttack(ar_resp, setEmulatorMem, !(flags & FLAG_RANDOM_NONCE));
1546 }
1547 }
1548 }
1549
1550 return 0;
1551 }
1552
1553 int CmdHF14AMfDbg(const char *Cmd)
1554 {
1555 int dbgMode = param_get32ex(Cmd, 0, 0, 10);
1556 if (dbgMode > 4) {
1557 PrintAndLog("Max debug mode parameter is 4 \n");
1558 }
1559
1560 if (strlen(Cmd) < 1 || !param_getchar(Cmd, 0) || dbgMode > 4) {
1561 PrintAndLog("Usage: hf mf dbg <debug level>");
1562 PrintAndLog(" 0 - no debug messages");
1563 PrintAndLog(" 1 - error messages");
1564 PrintAndLog(" 2 - plus information messages");
1565 PrintAndLog(" 3 - plus debug messages");
1566 PrintAndLog(" 4 - print even debug messages in timing critical functions");
1567 PrintAndLog(" Note: this option therefore may cause malfunction itself");
1568 return 0;
1569 }
1570
1571 UsbCommand c = {CMD_MIFARE_SET_DBGMODE, {dbgMode, 0, 0}};
1572 SendCommand(&c);
1573
1574 return 0;
1575 }
1576
1577 int CmdHF14AMfEGet(const char *Cmd)
1578 {
1579 uint8_t blockNo = 0;
1580 uint8_t data[16] = {0x00};
1581
1582 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1583 PrintAndLog("Usage: hf mf eget <block number>");
1584 PrintAndLog(" sample: hf mf eget 0 ");
1585 return 0;
1586 }
1587
1588 blockNo = param_get8(Cmd, 0);
1589
1590 PrintAndLog(" ");
1591 if (!mfEmlGetMem(data, blockNo, 1)) {
1592 PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16));
1593 } else {
1594 PrintAndLog("Command execute timeout");
1595 }
1596
1597 return 0;
1598 }
1599
1600 int CmdHF14AMfEClear(const char *Cmd)
1601 {
1602 if (param_getchar(Cmd, 0) == 'h') {
1603 PrintAndLog("Usage: hf mf eclr");
1604 PrintAndLog("It set card emulator memory to empty data blocks and key A/B FFFFFFFFFFFF \n");
1605 return 0;
1606 }
1607
1608 UsbCommand c = {CMD_MIFARE_EML_MEMCLR, {0, 0, 0}};
1609 SendCommand(&c);
1610 return 0;
1611 }
1612
1613
1614 int CmdHF14AMfESet(const char *Cmd)
1615 {
1616 uint8_t memBlock[16];
1617 uint8_t blockNo = 0;
1618
1619 memset(memBlock, 0x00, sizeof(memBlock));
1620
1621 if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') {
1622 PrintAndLog("Usage: hf mf eset <block number> <block data (32 hex symbols)>");
1623 PrintAndLog(" sample: hf mf eset 1 000102030405060708090a0b0c0d0e0f ");
1624 return 0;
1625 }
1626
1627 blockNo = param_get8(Cmd, 0);
1628
1629 if (param_gethex(Cmd, 1, memBlock, 32)) {
1630 PrintAndLog("block data must include 32 HEX symbols");
1631 return 1;
1632 }
1633
1634 // 1 - blocks count
1635 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNo, 1, 0}};
1636 memcpy(c.d.asBytes, memBlock, 16);
1637 SendCommand(&c);
1638 return 0;
1639 }
1640
1641
1642 int CmdHF14AMfELoad(const char *Cmd)
1643 {
1644 FILE * f;
1645 char filename[FILE_PATH_SIZE];
1646 char *fnameptr = filename;
1647 char buf[64] = {0x00};
1648 uint8_t buf8[64] = {0x00};
1649 int i, len, blockNum, numBlocks;
1650 int nameParamNo = 1;
1651
1652 char ctmp = param_getchar(Cmd, 0);
1653
1654 if ( ctmp == 'h' || ctmp == 0x00) {
1655 PrintAndLog("It loads emul dump from the file `filename.eml`");
1656 PrintAndLog("Usage: hf mf eload [card memory] <file name w/o `.eml`>");
1657 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1658 PrintAndLog("");
1659 PrintAndLog(" sample: hf mf eload filename");
1660 PrintAndLog(" hf mf eload 4 filename");
1661 return 0;
1662 }
1663
1664 switch (ctmp) {
1665 case '0' : numBlocks = 5*4; break;
1666 case '1' :
1667 case '\0': numBlocks = 16*4; break;
1668 case '2' : numBlocks = 32*4; break;
1669 case '4' : numBlocks = 256; break;
1670 default: {
1671 numBlocks = 16*4;
1672 nameParamNo = 0;
1673 }
1674 }
1675
1676 len = param_getstr(Cmd,nameParamNo,filename,sizeof(filename));
1677
1678 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1679
1680 fnameptr += len;
1681
1682 sprintf(fnameptr, ".eml");
1683
1684 // open file
1685 f = fopen(filename, "r");
1686 if (f == NULL) {
1687 PrintAndLog("File %s not found or locked", filename);
1688 return 1;
1689 }
1690
1691 blockNum = 0;
1692 while(!feof(f)){
1693 memset(buf, 0, sizeof(buf));
1694
1695 if (fgets(buf, sizeof(buf), f) == NULL) {
1696
1697 if (blockNum >= numBlocks) break;
1698
1699 PrintAndLog("File reading error.");
1700 fclose(f);
1701 return 2;
1702 }
1703
1704 if (strlen(buf) < 32){
1705 if(strlen(buf) && feof(f))
1706 break;
1707 PrintAndLog("File content error. Block data must include 32 HEX symbols");
1708 fclose(f);
1709 return 2;
1710 }
1711
1712 for (i = 0; i < 32; i += 2) {
1713 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
1714 }
1715
1716 if (mfEmlSetMem(buf8, blockNum, 1)) {
1717 PrintAndLog("Cant set emul block: %3d", blockNum);
1718 fclose(f);
1719 return 3;
1720 }
1721 printf(".");
1722 blockNum++;
1723
1724 if (blockNum >= numBlocks) break;
1725 }
1726 fclose(f);
1727 printf("\n");
1728
1729 if ((blockNum != numBlocks)) {
1730 PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks);
1731 return 4;
1732 }
1733 PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename);
1734 return 0;
1735 }
1736
1737
1738 int CmdHF14AMfESave(const char *Cmd)
1739 {
1740 FILE * f;
1741 char filename[FILE_PATH_SIZE];
1742 char * fnameptr = filename;
1743 uint8_t buf[64];
1744 int i, j, len, numBlocks;
1745 int nameParamNo = 1;
1746
1747 memset(filename, 0, sizeof(filename));
1748 memset(buf, 0, sizeof(buf));
1749
1750 char ctmp = param_getchar(Cmd, 0);
1751
1752 if ( ctmp == 'h' || ctmp == 'H') {
1753 PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`");
1754 PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]");
1755 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1756 PrintAndLog("");
1757 PrintAndLog(" sample: hf mf esave ");
1758 PrintAndLog(" hf mf esave 4");
1759 PrintAndLog(" hf mf esave 4 filename");
1760 return 0;
1761 }
1762
1763 switch (ctmp) {
1764 case '0' : numBlocks = 5*4; break;
1765 case '1' :
1766 case '\0': numBlocks = 16*4; break;
1767 case '2' : numBlocks = 32*4; break;
1768 case '4' : numBlocks = 256; break;
1769 default: {
1770 numBlocks = 16*4;
1771 nameParamNo = 0;
1772 }
1773 }
1774
1775 len = param_getstr(Cmd,nameParamNo,filename,sizeof(filename));
1776
1777 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
1778
1779 // user supplied filename?
1780 if (len < 1) {
1781 // get filename (UID from memory)
1782 if (mfEmlGetMem(buf, 0, 1)) {
1783 PrintAndLog("Can\'t get UID from block: %d", 0);
1784 len = sprintf(fnameptr, "dump");
1785 fnameptr += len;
1786 }
1787 else {
1788 for (j = 0; j < 7; j++, fnameptr += 2)
1789 sprintf(fnameptr, "%02X", buf[j]);
1790 }
1791 } else {
1792 fnameptr += len;
1793 }
1794
1795 // add file extension
1796 sprintf(fnameptr, ".eml");
1797
1798 // open file
1799 f = fopen(filename, "w+");
1800
1801 if ( !f ) {
1802 PrintAndLog("Can't open file %s ", filename);
1803 return 1;
1804 }
1805
1806 // put hex
1807 for (i = 0; i < numBlocks; i++) {
1808 if (mfEmlGetMem(buf, i, 1)) {
1809 PrintAndLog("Cant get block: %d", i);
1810 break;
1811 }
1812 for (j = 0; j < 16; j++)
1813 fprintf(f, "%02X", buf[j]);
1814 fprintf(f,"\n");
1815 }
1816 fclose(f);
1817
1818 PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename);
1819
1820 return 0;
1821 }
1822
1823
1824 int CmdHF14AMfECFill(const char *Cmd)
1825 {
1826 uint8_t keyType = 0;
1827 uint8_t numSectors = 16;
1828
1829 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1830 PrintAndLog("Usage: hf mf ecfill <key A/B> [card memory]");
1831 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1832 PrintAndLog("");
1833 PrintAndLog("samples: hf mf ecfill A");
1834 PrintAndLog(" hf mf ecfill A 4");
1835 PrintAndLog("Read card and transfer its data to emulator memory.");
1836 PrintAndLog("Keys must be laid in the emulator memory. \n");
1837 return 0;
1838 }
1839
1840 char ctmp = param_getchar(Cmd, 0);
1841 if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') {
1842 PrintAndLog("Key type must be A or B");
1843 return 1;
1844 }
1845 if (ctmp != 'A' && ctmp != 'a') keyType = 1;
1846
1847 ctmp = param_getchar(Cmd, 1);
1848 switch (ctmp) {
1849 case '0' : numSectors = 5; break;
1850 case '1' :
1851 case '\0': numSectors = 16; break;
1852 case '2' : numSectors = 32; break;
1853 case '4' : numSectors = 40; break;
1854 default: numSectors = 16;
1855 }
1856
1857 printf("--params: numSectors: %d, keyType:%d", numSectors, keyType);
1858 UsbCommand c = {CMD_MIFARE_EML_CARDLOAD, {numSectors, keyType, 0}};
1859 SendCommand(&c);
1860 return 0;
1861 }
1862
1863 int CmdHF14AMfEKeyPrn(const char *Cmd)
1864 {
1865 int i;
1866 uint8_t numSectors;
1867 uint8_t data[16];
1868 uint64_t keyA, keyB;
1869
1870 if (param_getchar(Cmd, 0) == 'h') {
1871 PrintAndLog("It prints the keys loaded in the emulator memory");
1872 PrintAndLog("Usage: hf mf ekeyprn [card memory]");
1873 PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1874 PrintAndLog("");
1875 PrintAndLog(" sample: hf mf ekeyprn 1");
1876 return 0;
1877 }
1878
1879 char cmdp = param_getchar(Cmd, 0);
1880
1881 switch (cmdp) {
1882 case '0' : numSectors = 5; break;
1883 case '1' :
1884 case '\0': numSectors = 16; break;
1885 case '2' : numSectors = 32; break;
1886 case '4' : numSectors = 40; break;
1887 default: numSectors = 16;
1888 }
1889
1890 PrintAndLog("|---|----------------|----------------|");
1891 PrintAndLog("|sec|key A |key B |");
1892 PrintAndLog("|---|----------------|----------------|");
1893 for (i = 0; i < numSectors; i++) {
1894 if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) {
1895 PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1);
1896 break;
1897 }
1898 keyA = bytes_to_num(data, 6);
1899 keyB = bytes_to_num(data + 10, 6);
1900 PrintAndLog("|%03d| %012" PRIx64 " | %012" PRIx64 " |", i, keyA, keyB);
1901 }
1902 PrintAndLog("|---|----------------|----------------|");
1903
1904 return 0;
1905 }
1906
1907 int CmdHF14AMfCSetUID(const char *Cmd)
1908 {
1909 uint8_t uid[8] = {0x00};
1910 uint8_t oldUid[8] = {0x00};
1911 uint8_t atqa[2] = {0x00};
1912 uint8_t sak[1] = {0x00};
1913 uint8_t atqaPresent = 0;
1914 int res;
1915
1916 uint8_t needHelp = 0;
1917 char cmdp = 1;
1918
1919 if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) {
1920 PrintAndLog("UID must include 8 HEX symbols");
1921 return 1;
1922 }
1923
1924 if (param_getlength(Cmd, 1) > 1 && param_getlength(Cmd, 2) > 1) {
1925 atqaPresent = 1;
1926 cmdp = 3;
1927
1928 if (param_gethex(Cmd, 1, atqa, 4)) {
1929 PrintAndLog("ATQA must include 4 HEX symbols");
1930 return 1;
1931 }
1932
1933 if (param_gethex(Cmd, 2, sak, 2)) {
1934 PrintAndLog("SAK must include 2 HEX symbols");
1935 return 1;
1936 }
1937 }
1938
1939 while(param_getchar(Cmd, cmdp) != 0x00)
1940 {
1941 switch(param_getchar(Cmd, cmdp))
1942 {
1943 case 'h':
1944 case 'H':
1945 needHelp = 1;
1946 break;
1947 default:
1948 PrintAndLog("ERROR: Unknown parameter '%c'", param_getchar(Cmd, cmdp));
1949 needHelp = 1;
1950 break;
1951 }
1952 cmdp++;
1953 }
1954
1955 if (strlen(Cmd) < 1 || needHelp) {
1956 PrintAndLog("");
1957 PrintAndLog("Usage: hf mf csetuid <UID 8 hex symbols> [ATQA 4 hex symbols SAK 2 hex symbols]");
1958 PrintAndLog("sample: hf mf csetuid 01020304");
1959 PrintAndLog("sample: hf mf csetuid 01020304 0004 08");
1960 PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)");
1961 return 0;
1962 }
1963
1964 PrintAndLog("uid:%s", sprint_hex(uid, 4));
1965 if (atqaPresent) {
1966 PrintAndLog("--atqa:%s sak:%02x", sprint_hex(atqa, 2), sak[0]);
1967 }
1968
1969 res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid);
1970 if (res) {
1971 PrintAndLog("Can't set UID. Error=%d", res);
1972 return 1;
1973 }
1974
1975 PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));
1976 PrintAndLog("new UID:%s", sprint_hex(uid, 4));
1977 return 0;
1978 }
1979
1980 int CmdHF14AMfCWipe(const char *Cmd)
1981 {
1982 int res, gen = 0;
1983 int numBlocks = 16 * 4;
1984 bool wipeCard = false;
1985 bool fillCard = false;
1986
1987 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
1988 PrintAndLog("Usage: hf mf cwipe [card size] [w] [p]");
1989 PrintAndLog("sample: hf mf cwipe 1 w s");
1990 PrintAndLog("[card size]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K");
1991 PrintAndLog("w - Wipe magic Chinese card (only works with gen:1a cards)");
1992 PrintAndLog("f - Fill the card with default data and keys (works with gen:1a and gen:1b cards only)");
1993 return 0;
1994 }
1995
1996 gen = mfCIdentify();
1997 if ((gen != 1) && (gen != 2))
1998 return 1;
1999
2000 numBlocks = ParamCardSizeBlocks(param_getchar(Cmd, 0));
2001
2002 char cmdp = 0;
2003 while(param_getchar(Cmd, cmdp) != 0x00){
2004 switch(param_getchar(Cmd, cmdp)) {
2005 case 'w':
2006 case 'W':
2007 wipeCard = 1;
2008 break;
2009 case 'f':
2010 case 'F':
2011 fillCard = 1;
2012 break;
2013 default:
2014 break;
2015 }
2016 cmdp++;
2017 }
2018
2019 if (!wipeCard && !fillCard)
2020 wipeCard = true;
2021
2022 PrintAndLog("--blocks count:%2d wipe:%c fill:%c", numBlocks, (wipeCard)?'y':'n', (fillCard)?'y':'n');
2023
2024 if (gen == 2) {
2025 /* generation 1b magic card */
2026 if (wipeCard) {
2027 PrintAndLog("WARNING: can't wipe magic card 1b generation");
2028 }
2029 res = mfCWipe(numBlocks, true, false, fillCard);
2030 } else {
2031 /* generation 1a magic card by default */
2032 res = mfCWipe(numBlocks, false, wipeCard, fillCard);
2033 }
2034
2035 if (res) {
2036 PrintAndLog("Can't wipe. error=%d", res);
2037 return 1;
2038 }
2039 PrintAndLog("OK");
2040 return 0;
2041 }
2042
2043 int CmdHF14AMfCSetBlk(const char *Cmd)
2044 {
2045 uint8_t memBlock[16] = {0x00};
2046 uint8_t blockNo = 0;
2047 bool wipeCard = false;
2048 int res, gen = 0;
2049
2050 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2051 PrintAndLog("Usage: hf mf csetblk <block number> <block data (32 hex symbols)> [w]");
2052 PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516");
2053 PrintAndLog("Set block data for magic Chinese card (only works with such cards)");
2054 PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line");
2055 return 0;
2056 }
2057
2058 gen = mfCIdentify();
2059 if ((gen != 1) && (gen != 2))
2060 return 1;
2061
2062 blockNo = param_get8(Cmd, 0);
2063
2064 if (param_gethex(Cmd, 1, memBlock, 32)) {
2065 PrintAndLog("block data must include 32 HEX symbols");
2066 return 1;
2067 }
2068
2069 char ctmp = param_getchar(Cmd, 2);
2070 wipeCard = (ctmp == 'w' || ctmp == 'W');
2071 PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(memBlock, 16));
2072
2073 if (gen == 2) {
2074 /* generation 1b magic card */
2075 res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B);
2076 } else {
2077 /* generation 1a magic card by default */
2078 res = mfCSetBlock(blockNo, memBlock, NULL, wipeCard, CSETBLOCK_SINGLE_OPER);
2079 }
2080
2081 if (res) {
2082 PrintAndLog("Can't write block. error=%d", res);
2083 return 1;
2084 }
2085 return 0;
2086 }
2087
2088
2089 int CmdHF14AMfCLoad(const char *Cmd)
2090 {
2091 FILE * f;
2092 char filename[FILE_PATH_SIZE] = {0x00};
2093 char * fnameptr = filename;
2094 char buf[256] = {0x00};
2095 uint8_t buf8[256] = {0x00};
2096 uint8_t fillFromEmulator = 0;
2097 int i, len, blockNum, flags = 0, gen = 0, numblock = 64;
2098
2099 if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) {
2100 PrintAndLog("It loads magic Chinese card from the file `filename.eml`");
2101 PrintAndLog("or from emulator memory (option `e`). 4K card: (option `4`)");
2102 PrintAndLog("Usage: hf mf cload [file name w/o `.eml`][e][4]");
2103 PrintAndLog(" or: hf mf cload e [4]");
2104 PrintAndLog("Sample: hf mf cload filename");
2105 PrintAndLog(" hf mf cload filname 4");
2106 PrintAndLog(" hf mf cload e");
2107 PrintAndLog(" hf mf cload e 4");
2108 return 0;
2109 }
2110
2111 char ctmp = param_getchar(Cmd, 0);
2112 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
2113 ctmp = param_getchar(Cmd, 1);
2114 if (ctmp == '4') numblock = 256;
2115
2116 gen = mfCIdentify();
2117 PrintAndLog("Loading magic mifare %dK", numblock == 256 ? 4:1);
2118
2119 if (fillFromEmulator) {
2120 for (blockNum = 0; blockNum < numblock; blockNum += 1) {
2121 if (mfEmlGetMem(buf8, blockNum, 1)) {
2122 PrintAndLog("Cant get block: %d", blockNum);
2123 return 2;
2124 }
2125 if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence
2126 if (blockNum == 1) flags = 0; // just write
2127 if (blockNum == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Magic Halt and switch off field.
2128
2129 if (gen == 2)
2130 /* generation 1b magic card */
2131 flags |= CSETBLOCK_MAGIC_1B;
2132 if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
2133 PrintAndLog("Cant set magic card block: %d", blockNum);
2134 return 3;
2135 }
2136 }
2137 return 0;
2138 } else {
2139 param_getstr(Cmd, 0, filename, sizeof(filename));
2140
2141 len = strlen(filename);
2142 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
2143
2144 //memcpy(filename, Cmd, len);
2145 fnameptr += len;
2146
2147 sprintf(fnameptr, ".eml");
2148
2149 // open file
2150 f = fopen(filename, "r");
2151 if (f == NULL) {
2152 PrintAndLog("File not found or locked.");
2153 return 1;
2154 }
2155
2156 blockNum = 0;
2157 while(!feof(f)){
2158
2159 memset(buf, 0, sizeof(buf));
2160
2161 if (fgets(buf, sizeof(buf), f) == NULL) {
2162 fclose(f);
2163 PrintAndLog("File reading error.");
2164 return 2;
2165 }
2166
2167 if (strlen(buf) < 32) {
2168 if(strlen(buf) && feof(f))
2169 break;
2170 PrintAndLog("File content error. Block data must include 32 HEX symbols");
2171 fclose(f);
2172 return 2;
2173 }
2174 for (i = 0; i < 32; i += 2)
2175 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
2176
2177 if (blockNum == 0) flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence
2178 if (blockNum == 1) flags = 0; // just write
2179 if (blockNum == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Switch off field.
2180
2181 if (gen == 2)
2182 /* generation 1b magic card */
2183 flags |= CSETBLOCK_MAGIC_1B;
2184 if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {
2185 PrintAndLog("Can't set magic card block: %d", blockNum);
2186 fclose(f);
2187 return 3;
2188 }
2189 blockNum++;
2190
2191 if (blockNum >= numblock) break; // magic card type - mifare 1K 64 blocks, mifare 4k 256 blocks
2192 }
2193 fclose(f);
2194
2195 //if (blockNum != 16 * 4 && blockNum != 32 * 4 + 8 * 16){
2196 if (blockNum != numblock){
2197 PrintAndLog("File content error. There must be %d blocks", numblock);
2198 return 4;
2199 }
2200 PrintAndLog("Loaded from file: %s", filename);
2201 return 0;
2202 }
2203 return 0;
2204 }
2205
2206 int CmdHF14AMfCGetBlk(const char *Cmd) {
2207 uint8_t memBlock[16];
2208 uint8_t blockNo = 0;
2209 int res, gen = 0;
2210 memset(memBlock, 0x00, sizeof(memBlock));
2211
2212 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2213 PrintAndLog("Usage: hf mf cgetblk <block number>");
2214 PrintAndLog("sample: hf mf cgetblk 1");
2215 PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n");
2216 return 0;
2217 }
2218
2219 gen = mfCIdentify();
2220
2221 blockNo = param_get8(Cmd, 0);
2222
2223 PrintAndLog("--block number:%2d ", blockNo);
2224
2225 if (gen == 2) {
2226 /* generation 1b magic card */
2227 res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B);
2228 } else {
2229 /* generation 1a magic card by default */
2230 res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER);
2231 }
2232 if (res) {
2233 PrintAndLog("Can't read block. error=%d", res);
2234 return 1;
2235 }
2236
2237 PrintAndLog("block data:%s", sprint_hex(memBlock, 16));
2238 return 0;
2239 }
2240
2241 int CmdHF14AMfCGetSc(const char *Cmd) {
2242 uint8_t memBlock[16] = {0x00};
2243 uint8_t sectorNo = 0;
2244 int i, res, flags, gen = 0, baseblock = 0, sect_size = 4;
2245
2246 if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {
2247 PrintAndLog("Usage: hf mf cgetsc <sector number>");
2248 PrintAndLog("sample: hf mf cgetsc 0");
2249 PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n");
2250 return 0;
2251 }
2252
2253 sectorNo = param_get8(Cmd, 0);
2254
2255 if (sectorNo > 39) {
2256 PrintAndLog("Sector number must be in [0..15] in MIFARE classic 1k and [0..39] in MIFARE classic 4k.");
2257 return 1;
2258 }
2259
2260 PrintAndLog("--sector number:%d ", sectorNo);
2261
2262 gen = mfCIdentify();
2263
2264 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2265 if (sectorNo < 32 ) {
2266 baseblock = sectorNo * 4;
2267 } else {
2268 baseblock = 128 + 16 * (sectorNo - 32);
2269
2270 }
2271 if (sectorNo > 31) sect_size = 16;
2272
2273 for (i = 0; i < sect_size; i++) {
2274 if (i == 1) flags = 0;
2275 if (i == sect_size - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2276
2277 if (gen == 2)
2278 /* generation 1b magic card */
2279 flags |= CSETBLOCK_MAGIC_1B;
2280
2281 res = mfCGetBlock(baseblock + i, memBlock, flags);
2282 if (res) {
2283 PrintAndLog("Can't read block. %d error=%d", baseblock + i, res);
2284 return 1;
2285 }
2286
2287 PrintAndLog("block %3d data:%s", baseblock + i, sprint_hex(memBlock, 16));
2288 }
2289 return 0;
2290 }
2291
2292
2293 int CmdHF14AMfCSave(const char *Cmd) {
2294
2295 FILE * f;
2296 char filename[FILE_PATH_SIZE] = {0x00};
2297 char * fnameptr = filename;
2298 uint8_t fillFromEmulator = 0;
2299 uint8_t buf[256] = {0x00};
2300 int i, j, len, flags, gen = 0, numblock = 64;
2301
2302 // memset(filename, 0, sizeof(filename));
2303 // memset(buf, 0, sizeof(buf));
2304
2305 if (param_getchar(Cmd, 0) == 'h') {
2306 PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`");
2307 PrintAndLog("or into emulator memory (option `e`). 4K card: (option `4`)");
2308 PrintAndLog("Usage: hf mf csave [file name w/o `.eml`][e][4]");
2309 PrintAndLog("Sample: hf mf csave ");
2310 PrintAndLog(" hf mf csave filename");
2311 PrintAndLog(" hf mf csave e");
2312 PrintAndLog(" hf mf csave 4");
2313 PrintAndLog(" hf mf csave filename 4");
2314 PrintAndLog(" hf mf csave e 4");
2315 return 0;
2316 }
2317
2318 char ctmp = param_getchar(Cmd, 0);
2319 if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1;
2320 if (ctmp == '4') numblock = 256;
2321 ctmp = param_getchar(Cmd, 1);
2322 if (ctmp == '4') numblock = 256;
2323
2324 gen = mfCIdentify();
2325 PrintAndLog("Saving magic mifare %dK", numblock == 256 ? 4:1);
2326
2327 if (fillFromEmulator) {
2328 // put into emulator
2329 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2330 for (i = 0; i < numblock; i++) {
2331 if (i == 1) flags = 0;
2332 if (i == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2333
2334 if (gen == 2)
2335 /* generation 1b magic card */
2336 flags |= CSETBLOCK_MAGIC_1B;
2337
2338 if (mfCGetBlock(i, buf, flags)) {
2339 PrintAndLog("Cant get block: %d", i);
2340 break;
2341 }
2342
2343 if (mfEmlSetMem(buf, i, 1)) {
2344 PrintAndLog("Cant set emul block: %d", i);
2345 return 3;
2346 }
2347 }
2348 return 0;
2349 } else {
2350 param_getstr(Cmd, 0, filename, sizeof(filename));
2351
2352 len = strlen(filename);
2353 if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;
2354
2355 ctmp = param_getchar(Cmd, 0);
2356 if (len < 1 || (ctmp == '4')) {
2357 // get filename
2358
2359 flags = CSETBLOCK_SINGLE_OPER;
2360 if (gen == 2)
2361 /* generation 1b magic card */
2362 flags |= CSETBLOCK_MAGIC_1B;
2363 if (mfCGetBlock(0, buf, flags)) {
2364 PrintAndLog("Cant get block: %d", 0);
2365 len = sprintf(fnameptr, "dump");
2366 fnameptr += len;
2367 }
2368 else {
2369 for (j = 0; j < 7; j++, fnameptr += 2)
2370 sprintf(fnameptr, "%02x", buf[j]);
2371 }
2372 } else {
2373 //memcpy(filename, Cmd, len);
2374 fnameptr += len;
2375 }
2376
2377 sprintf(fnameptr, ".eml");
2378
2379 // open file
2380 f = fopen(filename, "w+");
2381
2382 if (f == NULL) {
2383 PrintAndLog("File not found or locked.");
2384 return 1;
2385 }
2386
2387 // put hex
2388 flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC;
2389 for (i = 0; i < numblock; i++) {
2390 if (i == 1) flags = 0;
2391 if (i == numblock - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD;
2392
2393 if (gen == 2)
2394 /* generation 1b magic card */
2395 flags |= CSETBLOCK_MAGIC_1B;
2396 if (mfCGetBlock(i, buf, flags)) {
2397 PrintAndLog("Cant get block: %d", i);
2398 break;
2399 }
2400 for (j = 0; j < 16; j++)
2401 fprintf(f, "%02x", buf[j]);
2402 fprintf(f,"\n");
2403 }
2404 fclose(f);
2405
2406 PrintAndLog("Saved to file: %s", filename);
2407
2408 return 0;
2409 }
2410 }
2411
2412
2413 int CmdHF14AMfSniff(const char *Cmd){
2414
2415 bool wantLogToFile = 0;
2416 bool wantDecrypt = 0;
2417 //bool wantSaveToEml = 0; TODO
2418 bool wantSaveToEmlFile = 0;
2419
2420 //var
2421 int res = 0;
2422 int len = 0;
2423 int blockLen = 0;
2424 int pckNum = 0;
2425 int num = 0;
2426 uint8_t uid[7];
2427 uint8_t uid_len;
2428 uint8_t atqa[2] = {0x00};
2429 uint8_t sak;
2430 bool isTag;
2431 uint8_t *buf = NULL;
2432 uint16_t bufsize = 0;
2433 uint8_t *bufPtr = NULL;
2434
2435 char ctmp = param_getchar(Cmd, 0);
2436 if ( ctmp == 'h' || ctmp == 'H' ) {
2437 PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file.");
2438 PrintAndLog("You can specify:");
2439 PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");
2440 PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");
2441 PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");
2442 PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");
2443 PrintAndLog("Usage: hf mf sniff [l][d][e][f]");
2444 PrintAndLog(" sample: hf mf sniff l d e");
2445 return 0;
2446 }
2447
2448 for (int i = 0; i < 4; i++) {
2449 ctmp = param_getchar(Cmd, i);
2450 if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true;
2451 if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true;
2452 //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO
2453 if (ctmp == 'f' || ctmp == 'F') wantSaveToEmlFile = true;
2454 }
2455
2456 printf("-------------------------------------------------------------------------\n");
2457 printf("Executing command. \n");
2458 printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
2459 printf("Press the key on pc keyboard to abort the client.\n");
2460 printf("-------------------------------------------------------------------------\n");
2461
2462 UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
2463 clearCommandBuffer();
2464 SendCommand(&c);
2465
2466 // wait cycle
2467 while (true) {
2468 printf(".");
2469 fflush(stdout);
2470 if (ukbhit()) {
2471 getchar();
2472 printf("\naborted via keyboard!\n");
2473 break;
2474 }
2475
2476 UsbCommand resp;
2477 if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) {
2478 res = resp.arg[0] & 0xff;
2479 uint16_t traceLen = resp.arg[1];
2480 len = resp.arg[2];
2481
2482 if (res == 0) { // we are done
2483 free(buf);
2484 return 0;
2485 }
2486
2487 if (res == 1) { // there is (more) data to be transferred
2488 if (pckNum == 0) { // first packet, (re)allocate necessary buffer
2489 if (traceLen > bufsize || buf == NULL) {
2490 uint8_t *p;
2491 if (buf == NULL) { // not yet allocated
2492 p = malloc(traceLen);
2493 } else { // need more memory
2494 p = realloc(buf, traceLen);
2495 }
2496 if (p == NULL) {
2497 PrintAndLog("Cannot allocate memory for trace");
2498 free(buf);
2499 return 2;
2500 }
2501 buf = p;
2502 }
2503 bufPtr = buf;
2504 bufsize = traceLen;
2505 memset(buf, 0x00, traceLen);
2506 }
2507 memcpy(bufPtr, resp.d.asBytes, len);
2508 bufPtr += len;
2509 pckNum++;
2510 }
2511
2512 if (res == 2) { // received all data, start displaying
2513 blockLen = bufPtr - buf;
2514 bufPtr = buf;
2515 printf(">\n");
2516 PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
2517 while (bufPtr - buf < blockLen) {
2518 bufPtr += 6; // skip (void) timing information
2519 len = *((uint16_t *)bufPtr);
2520 if(len & 0x8000) {
2521 isTag = true;
2522 len &= 0x7fff;
2523 } else {
2524 isTag = false;
2525 }
2526 bufPtr += 2;
2527 if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {
2528 memcpy(uid, bufPtr + 2, 7);
2529 memcpy(atqa, bufPtr + 2 + 7, 2);
2530 uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;
2531 sak = bufPtr[11];
2532 PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x",
2533 sprint_hex(uid + (7 - uid_len), uid_len),
2534 atqa[1],
2535 atqa[0],
2536 sak);
2537 if (wantLogToFile || wantDecrypt) {
2538 FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);
2539 AddLogCurrentDT(logHexFileName);
2540 }
2541 if (wantDecrypt)
2542 mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);
2543 } else {
2544 PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
2545 if (wantLogToFile)
2546 AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);
2547 if (wantDecrypt)
2548 mfTraceDecode(bufPtr, len, wantSaveToEmlFile);
2549 num++;
2550 }
2551 bufPtr += len;
2552 bufPtr += ((len-1)/8+1); // ignore parity
2553 }
2554 pckNum = 0;
2555 }
2556 } // resp not NULL
2557 } // while (true)
2558
2559 free(buf);
2560 return 0;
2561 }
2562
2563 //needs nt, ar, at, Data to decrypt
2564 int CmdDecryptTraceCmds(const char *Cmd){
2565 uint8_t data[50];
2566 int len = 0;
2567 param_gethex_ex(Cmd,3,data,&len);
2568 return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2);
2569 }
2570
2571 static command_t CommandTable[] =
2572 {
2573 {"help", CmdHelp, 1, "This help"},
2574 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
2575 {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"},
2576 {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"},
2577 {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"},
2578 {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"},
2579 {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"},
2580 {"chk", CmdHF14AMfChk, 0, "Test block keys"},
2581 {"mifare", CmdHF14AMifare, 0, "Read parity error messages."},
2582 {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"},
2583 {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
2584 {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"},
2585 {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"},
2586 {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},
2587 {"eget", CmdHF14AMfEGet, 0, "Get simulator memory block"},
2588 {"eset", CmdHF14AMfESet, 0, "Set simulator memory block"},
2589 {"eload", CmdHF14AMfELoad, 0, "Load from file emul dump"},
2590 {"esave", CmdHF14AMfESave, 0, "Save to file emul dump"},
2591 {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"},
2592 {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"},
2593 {"cwipe", CmdHF14AMfCWipe, 0, "Wipe magic Chinese card"},
2594 {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"},
2595 {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"},
2596 {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"},
2597 {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
2598 {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
2599 {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
2600 {"decrypt", CmdDecryptTraceCmds, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
2601 {NULL, NULL, 0, NULL}
2602 };
2603
2604 int CmdHFMF(const char *Cmd)
2605 {
2606 // flush
2607 WaitForResponseTimeout(CMD_ACK,NULL,100);
2608
2609 CmdsParse(CommandTable, Cmd);
2610 return 0;
2611 }
2612
2613 int CmdHelp(const char *Cmd)
2614 {
2615 CmdsHelp(CommandTable);
2616 return 0;
2617 }
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