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lf cleanup - fixes
[proxmark3-svn] / client / cmdlft55xx.c
1 //-----------------------------------------------------------------------------
2 //
3 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
4 // at your option, any later version. See the LICENSE.txt file for the text of
5 // the license.
6 //-----------------------------------------------------------------------------
7 // Low frequency T55xx commands
8 //-----------------------------------------------------------------------------
9
10 #include <stdio.h>
11 #include <string.h>
12 #include <inttypes.h>
13 #include <time.h>
14 #include "proxmark3.h"
15 #include "ui.h"
16 #include "graph.h"
17 #include "cmdmain.h"
18 #include "cmdparser.h"
19 #include "cmddata.h"
20 #include "cmdlf.h"
21 #include "cmdlft55xx.h"
22 #include "util.h"
23 #include "data.h"
24 #include "lfdemod.h"
25 #include "../common/crc.h"
26 #include "../common/iso14443crc.h"
27 #include "cmdhf14a.h"
28
29 #define CONFIGURATION_BLOCK 0x00
30 #define TRACE_BLOCK 0x01
31
32 // Default configuration
33 t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00};
34
35 int usage_t55xx_config(){
36 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>]");
37 PrintAndLog("Options: ");
38 PrintAndLog(" h This help");
39 PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
40 PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NZ|BI|BIa> Set demodulation FSK / ASK / PSK / NZ / Biphase / Biphase A");
41 PrintAndLog(" i [1] Invert data signal, defaults to normal");
42 PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
43 PrintAndLog("");
44 PrintAndLog("Examples:");
45 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
46 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
47 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
48 PrintAndLog("");
49 return 0;
50 }
51 int usage_t55xx_read(){
52 PrintAndLog("Usage: lf t55xx read <block> <password>");
53 PrintAndLog(" <block>, block number to read. Between 0-7");
54 PrintAndLog(" <password>, OPTIONAL password (8 hex characters)");
55 PrintAndLog("");
56 PrintAndLog("Examples:");
57 PrintAndLog(" lf t55xx read 0 - read data from block 0");
58 PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef");
59 PrintAndLog("");
60 return 0;
61 }
62 int usage_t55xx_write(){
63 PrintAndLog("Usage: lf t55xx wr <block> <data> [password]");
64 PrintAndLog(" <block>, block number to read. Between 0-7");
65 PrintAndLog(" <data>, 4 bytes of data to write (8 hex characters)");
66 PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)");
67 PrintAndLog("");
68 PrintAndLog("Examples:");
69 PrintAndLog(" lf t55xx wd 3 11223344 - write 11223344 to block 3");
70 PrintAndLog(" lf t55xx wd 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef");
71 PrintAndLog("");
72 return 0;
73 }
74 int usage_t55xx_trace() {
75 PrintAndLog("Usage: lf t55xx trace [1]");
76 PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");
77 PrintAndLog("");
78 PrintAndLog("Examples:");
79 PrintAndLog(" lf t55xx trace");
80 PrintAndLog(" lf t55xx trace 1");
81 PrintAndLog("");
82 return 0;
83 }
84 int usage_t55xx_info() {
85 PrintAndLog("Usage: lf t55xx info [1]");
86 PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");
87 PrintAndLog("");
88 PrintAndLog("Examples:");
89 PrintAndLog(" lf t55xx info");
90 PrintAndLog(" lf t55xx info 1");
91 PrintAndLog("");
92 return 0;
93 }
94 int usage_t55xx_dump(){
95 PrintAndLog("Usage: lf t55xx dump <password>");
96 PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex symbols)");
97 PrintAndLog("");
98 PrintAndLog("Examples:");
99 PrintAndLog(" lf t55xx dump");
100 PrintAndLog(" lf t55xx dump feedbeef");
101 PrintAndLog("");
102 return 0;
103 }
104 int usage_t55xx_detect(){
105 PrintAndLog("Usage: lf t55xx detect");
106 PrintAndLog("");
107 PrintAndLog("Examples:");
108 PrintAndLog(" lf t55xx detect");
109 PrintAndLog(" lf t55xx detect 1");
110 PrintAndLog("");
111 return 0;
112 }
113
114 static int CmdHelp(const char *Cmd);
115
116 int CmdT55xxSetConfig(const char *Cmd) {
117
118 uint8_t offset = 0;
119 bool errors = FALSE;
120 uint8_t cmdp = 0;
121 char modulation[5] = {0x00};
122 char tmp = 0x00;
123 uint8_t bitRate = 0;
124 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
125 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
126 {
127 tmp = param_getchar(Cmd, cmdp);
128 switch(tmp)
129 {
130 case 'h':
131 case 'H':
132 return usage_t55xx_config();
133 case 'b':
134 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
135 if ( !errors){
136 uint8_t i = 0;
137 for (; i < 9; i++){
138 if (rates[i]==bitRate) {
139 config.bitrate = i;
140 break;
141 }
142 }
143 if (i==9) errors = TRUE;
144 }
145 cmdp+=2;
146 break;
147 case 'd':
148 param_getstr(Cmd, cmdp+1, modulation);
149 cmdp += 2;
150
151 if ( strcmp(modulation, "FSK" ) == 0) {
152 config.modulation = DEMOD_FSK;
153 } else if ( strcmp(modulation, "FSK1" ) == 0) {
154 config.modulation = DEMOD_FSK1;
155 config.inverted=1;
156 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
157 config.modulation = DEMOD_FSK1a;
158 config.inverted=0;
159 } else if ( strcmp(modulation, "FSK2" ) == 0) {
160 config.modulation = DEMOD_FSK2;
161 config.inverted=0;
162 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
163 config.modulation = DEMOD_FSK2a;
164 config.inverted=1;
165 } else if ( strcmp(modulation, "ASK" ) == 0) {
166 config.modulation = DEMOD_ASK;
167 } else if ( strcmp(modulation, "NRZ" ) == 0) {
168 config.modulation = DEMOD_NRZ;
169 } else if ( strcmp(modulation, "PSK1" ) == 0) {
170 config.modulation = DEMOD_PSK1;
171 } else if ( strcmp(modulation, "PSK2" ) == 0) {
172 config.modulation = DEMOD_PSK2;
173 } else if ( strcmp(modulation, "PSK3" ) == 0) {
174 config.modulation = DEMOD_PSK3;
175 } else if ( strcmp(modulation, "BIa" ) == 0) {
176 config.modulation = DEMOD_BIa;
177 config.inverted=1;
178 } else if ( strcmp(modulation, "BI" ) == 0) {
179 config.modulation = DEMOD_BI;
180 config.inverted=0;
181 } else {
182 PrintAndLog("Unknown modulation '%s'", modulation);
183 errors = TRUE;
184 }
185 break;
186 case 'i':
187 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
188 cmdp+=2;
189 break;
190 case 'o':
191 errors |= param_getdec(Cmd, cmdp+1, &offset);
192 if ( !errors )
193 config.offset = offset;
194 cmdp+=2;
195 break;
196 default:
197 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
198 errors = TRUE;
199 break;
200 }
201 }
202
203 // No args
204 if (cmdp == 0) {
205 printConfiguration( config );
206 return 0;
207 }
208 //Validations
209 if (errors)
210 return usage_t55xx_config();
211
212 config.block0 = 0;
213 printConfiguration ( config );
214 return 0;
215 }
216
217 int CmdT55xxReadBlock(const char *Cmd) {
218 int block = -1;
219 int password = 0xFFFFFFFF; //default to blank Block 7
220
221 char cmdp = param_getchar(Cmd, 0);
222 if (cmdp == 'h' || cmdp == 'H')
223 return usage_t55xx_read();
224
225 int res = sscanf(Cmd, "%d %x", &block, &password);
226
227 if ( res < 1 || res > 2 )
228 return usage_t55xx_read();
229
230
231 if ((block < 0) | (block > 7)) {
232 PrintAndLog("Block must be between 0 and 7");
233 return 1;
234 }
235
236 UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};
237 c.d.asBytes[0] = 0x0;
238
239 //Password mode
240 if ( res == 2 ) {
241 c.arg[2] = password;
242 c.d.asBytes[0] = 0x1;
243 }
244
245 SendCommand(&c);
246 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
247 PrintAndLog("command execution time out");
248 return 2;
249 }
250
251 uint8_t got[12000];
252 GetFromBigBuf(got,sizeof(got),0);
253 WaitForResponse(CMD_ACK,NULL);
254 setGraphBuf(got, 12000);
255 DemodBufferLen=0;
256 if (!DecodeT55xxBlock()) return 3;
257 char blk[10]={0};
258 sprintf(blk,"%d", block);
259 printT55xxBlock(blk);
260 return 0;
261 }
262
263 bool DecodeT55xxBlock(){
264
265 char buf[10] = {0x00};
266 char *cmdStr = buf;
267 int ans = 0;
268 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
269
270 DemodBufferLen = 0x00;
271
272 //trim 1/2 a clock from beginning
273 snprintf(cmdStr, sizeof(buf),"%d", bitRate[config.bitrate]/2 );
274 CmdLtrim(cmdStr);
275
276 switch( config.modulation ){
277 case DEMOD_FSK:
278 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
279 ans = FSKrawDemod(cmdStr, FALSE);
280 break;
281 case DEMOD_FSK1:
282 case DEMOD_FSK1a:
283 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
284 ans = FSKrawDemod(cmdStr, FALSE);
285 break;
286 case DEMOD_FSK2:
287 case DEMOD_FSK2a:
288 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
289 ans = FSKrawDemod(cmdStr, FALSE);
290 break;
291 case DEMOD_ASK:
292 snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted );
293 ans = ASKmanDemod(cmdStr, FALSE, FALSE);
294 break;
295 case DEMOD_PSK1:
296 snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted );
297 ans = PSKDemod(cmdStr, FALSE);
298 break;
299 case DEMOD_PSK2: //inverted won't affect this
300 case DEMOD_PSK3: //not fully implemented
301 snprintf(cmdStr, sizeof(buf),"%d 0 1", bitRate[config.bitrate] );
302 ans = PSKDemod(cmdStr, FALSE);
303 psk1TOpsk2(DemodBuffer, DemodBufferLen);
304 break;
305 case DEMOD_NRZ:
306 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
307 ans = NRZrawDemod(cmdStr, FALSE);
308 break;
309 case DEMOD_BI:
310 case DEMOD_BIa:
311 snprintf(cmdStr, sizeof(buf),"0 %d %d 0", bitRate[config.bitrate], config.inverted );
312 ans = ASKbiphaseDemod(cmdStr, FALSE);
313 break;
314 default:
315 return FALSE;
316 }
317 return (bool) ans;
318 }
319
320 int CmdT55xxDetect(const char *Cmd){
321
322 char cmdp = param_getchar(Cmd, 0);
323 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
324 return usage_t55xx_detect();
325
326 if (strlen(Cmd)==0)
327 AquireData( CONFIGURATION_BLOCK );
328
329 if ( !tryDetectModulation() )
330 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
331
332 return 0;
333 }
334
335 // detect configuration?
336 bool tryDetectModulation(){
337 char cmdStr[8] = {0};
338 uint8_t hits = 0;
339 t55xx_conf_block_t tests[15];
340
341 if (GetFskClock("", FALSE, FALSE)){
342 uint8_t fc1 = 0, fc2 = 0, clk=0;
343 fskClocks(&fc1, &fc2, &clk, FALSE);
344 sprintf(cmdStr,"%d", clk/2);
345 CmdLtrim(cmdStr);
346 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset)){
347 tests[hits].modulation = DEMOD_FSK;
348 if (fc1==8 && fc2 == 5)
349 tests[hits].modulation = DEMOD_FSK1a;
350 else if (fc1==10 && fc2 == 8)
351 tests[hits].modulation = DEMOD_FSK2;
352
353 tests[hits].inverted = FALSE;
354 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
355 ++hits;
356 }
357 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset)) {
358 tests[hits].modulation = DEMOD_FSK;
359 if (fc1==8 && fc2 == 5)
360 tests[hits].modulation = DEMOD_FSK1;
361 else if (fc1==10 && fc2 == 8)
362 tests[hits].modulation = DEMOD_FSK2a;
363
364 tests[hits].inverted = TRUE;
365 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
366 ++hits;
367 }
368 } else {
369 if ( ASKmanDemod("0 0 1", FALSE, FALSE) && test(DEMOD_ASK, &tests[hits].offset)) {
370 tests[hits].modulation = DEMOD_ASK;
371 tests[hits].inverted = FALSE;
372 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
373 ++hits;
374 }
375
376 if ( ASKmanDemod("0 1 1", FALSE, FALSE) && test(DEMOD_ASK, &tests[hits].offset)) {
377 tests[hits].modulation = DEMOD_ASK;
378 tests[hits].inverted = TRUE;
379 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
380 ++hits;
381 }
382
383 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset)) {
384 tests[hits].modulation = DEMOD_NRZ;
385 tests[hits].inverted = FALSE;
386 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
387 ++hits;
388 }
389
390 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset)) {
391 tests[hits].modulation = DEMOD_NRZ;
392 tests[hits].inverted = TRUE;
393 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
394 ++hits;
395 }
396
397 if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset)) {
398 tests[hits].modulation = DEMOD_PSK1;
399 tests[hits].inverted = FALSE;
400 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
401 ++hits;
402 }
403
404 if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset)) {
405 tests[hits].modulation = DEMOD_PSK1;
406 tests[hits].inverted = TRUE;
407 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
408 ++hits;
409 }
410
411 // PSK2 - needs a call to psk1TOpsk2.
412 if ( PSKDemod("0 0 1", FALSE)) {
413 psk1TOpsk2(DemodBuffer, DemodBufferLen);
414 if (test(DEMOD_PSK2, &tests[hits].offset)){
415 tests[hits].modulation = DEMOD_PSK2;
416 tests[hits].inverted = FALSE;
417 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
418 ++hits;
419 }
420 } // inverse waves does not affect this demod
421
422 // PSK3 - needs a call to psk1TOpsk2.
423 if ( PSKDemod("0 0 1", FALSE)) {
424 psk1TOpsk2(DemodBuffer, DemodBufferLen);
425 if (test(DEMOD_PSK3, &tests[hits].offset)){
426 tests[hits].modulation = DEMOD_PSK3;
427 tests[hits].inverted = FALSE;
428 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
429 ++hits;
430 }
431 } // inverse waves does not affect this demod
432
433 if ( ASKbiphaseDemod("0 0 0 1", FALSE) && test(DEMOD_BI, &tests[hits].offset) ) {
434 tests[hits].modulation = DEMOD_BI;
435 tests[hits].inverted = FALSE;
436 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
437 ++hits;
438 }
439 if ( ASKbiphaseDemod("0 0 1 1", FALSE) && test(DEMOD_BIa, &tests[hits].offset) ) {
440 tests[hits].modulation = DEMOD_BIa;
441 tests[hits].inverted = TRUE;
442 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
443 ++hits;
444 }
445 }
446 if ( hits == 1) {
447 config.modulation = tests[0].modulation;
448 config.inverted = tests[0].inverted;
449 config.offset = tests[0].offset;
450 config.block0 = tests[0].block0;
451 printConfiguration( config );
452 return TRUE;
453 }
454
455 if ( hits > 1) {
456 PrintAndLog("Found [%d] possible matches for modulation.",hits);
457 for(int i=0; i<hits; ++i){
458 PrintAndLog("--[%d]---------------", i+1);
459 printConfiguration( tests[i] );
460 }
461 }
462 return FALSE;
463 }
464
465 bool testModulation(uint8_t mode, uint8_t modread){
466 switch( mode ){
467 case DEMOD_FSK:
468 if (modread > 3 && modread < 8) return TRUE;
469 break;
470 case DEMOD_ASK:
471 if (modread == DEMOD_ASK) return TRUE;
472 break;
473 case DEMOD_PSK1:
474 if (modread == DEMOD_PSK1) return TRUE;
475 break;
476 case DEMOD_PSK2:
477 if (modread == DEMOD_PSK2) return TRUE;
478 break;
479 case DEMOD_PSK3:
480 if (modread == DEMOD_PSK3) return TRUE;
481 break;
482 case DEMOD_NRZ:
483 if (modread == DEMOD_NRZ) return TRUE;
484 break;
485 case DEMOD_BI:
486 if (modread == DEMOD_BI) return TRUE;
487 break;
488 case DEMOD_BIa:
489 if (modread == DEMOD_BIa) return TRUE;
490 break;
491 default:
492 return FALSE;
493 }
494 return FALSE;
495 }
496
497 bool testBitRate(uint8_t readRate, uint8_t mod){
498 uint8_t expected[8] = {8, 16, 32, 40, 50, 64, 100, 128};
499 uint8_t detRate = 0;
500 switch( mod ){
501 case DEMOD_FSK:
502 case DEMOD_FSK1:
503 case DEMOD_FSK1a:
504 case DEMOD_FSK2:
505 case DEMOD_FSK2a:
506 detRate = GetFskClock("",FALSE, FALSE);
507 if (expected[readRate] == detRate) {
508 config.bitrate = readRate;
509 return TRUE;
510 }
511 break;
512 case DEMOD_ASK:
513 case DEMOD_BI:
514 case DEMOD_BIa:
515 detRate = GetAskClock("",FALSE, FALSE);
516 if (expected[readRate] == detRate) {
517 config.bitrate = readRate;
518 return TRUE;
519 }
520 break;
521 case DEMOD_PSK1:
522 case DEMOD_PSK2:
523 case DEMOD_PSK3:
524 detRate = GetPskClock("",FALSE, FALSE);
525 if (expected[readRate] == detRate) {
526 config.bitrate = readRate;
527 return TRUE;
528 }
529 break;
530 case DEMOD_NRZ:
531 detRate = GetNrzClock("",FALSE, FALSE);
532 if (expected[readRate] == detRate) {
533 config.bitrate = readRate;
534 return TRUE;
535 }
536 break;
537 default:
538 return FALSE;
539 }
540 return FALSE;
541 }
542
543 bool test(uint8_t mode, uint8_t *offset){
544
545 if ( !DemodBufferLen) return FALSE;
546 uint8_t si = 0;
547 for (uint8_t idx = 0; idx < 64; idx++){
548 si = idx;
549 if ( PackBits(si, 32, DemodBuffer) == 0x00 ) continue;
550
551 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
552 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
553 // 2nibble must be zeroed.
554 // moved test to here, since this gets most faults first.
555 if ( resv > 0x00) continue;
556
557 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
558 uint8_t bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
559 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
560 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
561 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
562 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
563 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
564
565 //if extended mode
566 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
567
568 if (!extMode){
569 if (nml01 || nml02 || xtRate) continue;
570 }
571 //test modulation
572 if (!testModulation(mode, modread)) continue;
573 if (!testBitRate(bitRate, mode)) continue;
574 *offset = idx;
575 return TRUE;
576 }
577 return FALSE;
578 }
579
580 void printT55xxBlock(const char *blockNum){
581
582 uint8_t i = config.offset;
583 uint8_t endpos = 32 + i;
584 uint32_t blockData = 0;
585 uint8_t bits[64] = {0x00};
586
587 if ( !DemodBufferLen) return;
588
589 if ( endpos > DemodBufferLen){
590 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
591 return;
592 }
593
594 for (; i < endpos; ++i)
595 bits[i - config.offset]=DemodBuffer[i];
596
597 blockData = PackBits(0, 32, bits);
598 PrintAndLog("[%s] 0x%08X %s", blockNum, blockData, sprint_bin(bits,32));
599 }
600
601 int special(const char *Cmd) {
602 uint32_t blockData = 0;
603 uint8_t bits[32] = {0x00};
604
605 PrintAndLog("[OFFSET] [DATA] [BINARY]");
606 PrintAndLog("----------------------------------------------------");
607 int i,j = 0;
608 for (; j < 64; ++j){
609
610 for (i = 0; i < 32; ++i)
611 bits[i]=DemodBuffer[j+i];
612
613 blockData = PackBits(0, 32, bits);
614
615 PrintAndLog("[%02d] 0x%08X %s",j , blockData, sprint_bin(bits,32));
616 }
617 return 0;
618 }
619
620 void printConfiguration( t55xx_conf_block_t b){
621 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
622 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
623 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
624 PrintAndLog("Offset : %d", b.offset);
625 PrintAndLog("Block0 : 0x%08X", b.block0);
626 PrintAndLog("");
627 }
628
629 int CmdT55xxWriteBlock(const char *Cmd)
630 {
631 int block = 8; //default to invalid block
632 int data = 0xFFFFFFFF; //default to blank Block
633 int password = 0xFFFFFFFF; //default to blank Block 7
634
635 char cmdp = param_getchar(Cmd, 0);
636 if (cmdp == 'h' || cmdp == 'H') {
637 usage_t55xx_write();
638 return 0;
639 }
640
641 int res = sscanf(Cmd, "%d %x %x",&block, &data, &password);
642
643 if ( res < 2 || res > 3) {
644 usage_t55xx_write();
645 return 1;
646 }
647
648 if (block > 7) {
649 PrintAndLog("Block number must be between 0 and 7");
650 return 1;
651 }
652
653 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
654 c.d.asBytes[0] = 0x0;
655
656 PrintAndLog("Writing to block: %d data : 0x%08X", block, data);
657
658 //Password mode
659 if (res == 3) {
660 c.arg[2] = password;
661 c.d.asBytes[0] = 0x1;
662 PrintAndLog("pwd : 0x%08X", password);
663 }
664 SendCommand(&c);
665 return 0;
666 }
667
668 int CmdT55xxReadTrace(const char *Cmd)
669 {
670 char cmdp = param_getchar(Cmd, 0);
671
672 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
673 return usage_t55xx_trace();
674
675 if (strlen(Cmd)==0)
676 AquireData( TRACE_BLOCK );
677
678 if (!DecodeT55xxBlock()) return 1;
679
680 if ( !DemodBufferLen) return 1;
681
682 RepaintGraphWindow();
683 uint8_t repeat = 0;
684 if (config.offset > 5)
685 repeat = 32;
686 uint8_t si = config.offset+repeat;
687 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
688 uint32_t bl1 = PackBits(si+32, 32, DemodBuffer);
689
690 uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;
691 uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;
692 uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;
693 uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;
694 uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;
695 uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;
696 uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;
697 uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;
698 uint32_t dw = PackBits(si, 15, DemodBuffer);
699
700 time_t t = time(NULL);
701 struct tm tm = *localtime(&t);
702 if ( year > tm.tm_year-110)
703 year += 2000;
704 else
705 year += 2010;
706
707 if ( acl != 0xE0 ) {
708 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
709 return 1;
710 }
711
712 PrintAndLog("");
713 PrintAndLog("-- T55xx Trace Information ----------------------------------");
714 PrintAndLog("-------------------------------------------------------------");
715 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
716 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));
717 PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));
718 PrintAndLog(" ICR IC Revision : %d",icr );
719 PrintAndLog(" Manufactured");
720 PrintAndLog(" Year/Quarter : %d/%d",year, quarter);
721 PrintAndLog(" Lot ID : %d", lotid );
722 PrintAndLog(" Wafer number : %d", wafer);
723 PrintAndLog(" Die Number : %d", dw);
724 PrintAndLog("-------------------------------------------------------------");
725 PrintAndLog(" Raw Data - Page 1");
726 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset+repeat,32) );
727 PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
728 PrintAndLog("-------------------------------------------------------------");
729
730 /*
731 TRACE - BLOCK O
732 Bits Definition HEX
733 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
734 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
735 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
736 22-24 ICR IC revision
737 25-28 YEAR (BCD encoded) 9 (= 2009)
738 29-30 QUARTER 1,2,3,4
739 31-32 LOT ID
740
741 TRACE - BLOCK 1
742 1-12 LOT ID
743 13-17 Wafer number
744 18-32 DW, die number sequential
745 */
746
747 return 0;
748 }
749
750 int CmdT55xxInfo(const char *Cmd){
751 /*
752 Page 0 Block 0 Configuration data.
753 Normal mode
754 Extended mode
755 */
756 char cmdp = param_getchar(Cmd, 0);
757
758 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
759 return usage_t55xx_info();
760
761 if (strlen(Cmd)==0)
762 AquireData( CONFIGURATION_BLOCK );
763
764 if (!DecodeT55xxBlock()) return 1;
765
766 if ( !DemodBufferLen) return 1;
767
768 uint8_t si = config.offset;
769 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
770
771 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
772 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
773 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
774 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
775 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
776 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
777 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
778 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
779 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
780 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
781 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
782 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
783 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
784 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
785
786 PrintAndLog("");
787 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
788 PrintAndLog("-------------------------------------------------------------");
789 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
790 PrintAndLog(" reserved : %d", resv);
791 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
792 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
793 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
794 PrintAndLog(" PSK clock frequency : %d", pskcf);
795 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
796 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
797 PrintAndLog(" Max block : %d", maxblk);
798 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
799 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
800 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
801 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
802 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
803 PrintAndLog("-------------------------------------------------------------");
804 PrintAndLog(" Raw Data - Page 0");
805 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
806 PrintAndLog("-------------------------------------------------------------");
807
808 return 0;
809 }
810
811 int CmdT55xxDump(const char *Cmd){
812
813 char s[20] = {0x00};
814 uint8_t pwd[4] = {0x00};
815
816 char cmdp = param_getchar(Cmd, 0);
817 if ( cmdp == 'h' || cmdp == 'H') {
818 usage_t55xx_dump();
819 return 0;
820 }
821
822 bool hasPwd = ( strlen(Cmd) > 0);
823 if ( hasPwd ){
824 if (param_gethex(Cmd, 0, pwd, 8)) {
825 PrintAndLog("password must include 8 HEX symbols");
826 return 1;
827 }
828 }
829
830 for ( int i = 0; i <8; ++i){
831 memset(s,0,sizeof(s));
832 if ( hasPwd ) {
833 sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);
834 } else {
835 sprintf(s,"%d", i);
836 }
837 CmdT55xxReadBlock(s);
838 }
839 return 0;
840 }
841
842 int AquireData( uint8_t block ){
843
844 UsbCommand c;
845
846 if ( block == CONFIGURATION_BLOCK )
847 c.cmd = CMD_T55XX_READ_BLOCK;
848 else if (block == TRACE_BLOCK )
849 c.cmd = CMD_T55XX_READ_TRACE;
850
851 c.arg[0] = 0x00;
852 c.arg[1] = 0x00;
853 c.arg[2] = 0x00;
854 c.d.asBytes[0] = 0x0;
855
856 //Password mode
857 // if ( res == 2 ) {
858 // c.arg[2] = password;
859 // c.d.asBytes[0] = 0x1;
860 // }
861
862 SendCommand(&c);
863 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
864 PrintAndLog("command execution time out");
865 return 1;
866 }
867
868 uint8_t got[12000];
869 GetFromBigBuf(got,sizeof(got),0);
870 WaitForResponse(CMD_ACK,NULL);
871 setGraphBuf(got, 12000);
872 return 0;
873 }
874
875 char * GetBitRateStr(uint32_t id){
876 static char buf[20];
877 char *retStr = buf;
878 switch (id){
879 case 0:
880 snprintf(retStr,sizeof(buf),"%d - RF/8",id);
881 break;
882 case 1:
883 snprintf(retStr,sizeof(buf),"%d - RF/16",id);
884 break;
885 case 2:
886 snprintf(retStr,sizeof(buf),"%d - RF/32",id);
887 break;
888 case 3:
889 snprintf(retStr,sizeof(buf),"%d - RF/40",id);
890 break;
891 case 4:
892 snprintf(retStr,sizeof(buf),"%d - RF/50",id);
893 break;
894 case 5:
895 snprintf(retStr,sizeof(buf),"%d - RF/64",id);
896 break;
897 case 6:
898 snprintf(retStr,sizeof(buf),"%d - RF/100",id);
899 break;
900 case 7:
901 snprintf(retStr,sizeof(buf),"%d - RF/128",id);
902 break;
903 default:
904 snprintf(retStr,sizeof(buf),"%d - (Unknown)",id);
905 break;
906 }
907
908 return buf;
909 }
910
911 char * GetSaferStr(uint32_t id){
912 static char buf[40];
913 char *retStr = buf;
914
915 snprintf(retStr,sizeof(buf),"%d",id);
916 if (id == 6) {
917 snprintf(retStr,sizeof(buf),"%d - passwd",id);
918 }
919 if (id == 9 ){
920 snprintf(retStr,sizeof(buf),"%d - testmode",id);
921 }
922
923 return buf;
924 }
925
926 char * GetModulationStr( uint32_t id){
927 static char buf[60];
928 char *retStr = buf;
929
930 switch (id){
931 case 0:
932 snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id);
933 break;
934 case 1:
935 snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id);
936 break;
937 case 2:
938 snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id);
939 break;
940 case 3:
941 snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id);
942 break;
943 case 4:
944 snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id);
945 break;
946 case 5:
947 snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id);
948 break;
949 case 6:
950 snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id);
951 break;
952 case 7:
953 snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id);
954 break;
955 case 8:
956 snprintf(retStr,sizeof(buf),"%d - Manchester",id);
957 break;
958 case 16:
959 snprintf(retStr,sizeof(buf),"%d - Biphase",id);
960 break;
961 case 0x18:
962 snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);
963 break;
964 case 17:
965 snprintf(retStr,sizeof(buf),"%d - Reserved",id);
966 break;
967 default:
968 snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id);
969 break;
970 }
971 return buf;
972 }
973
974 char * GetModelStrFromCID(uint32_t cid){
975
976 static char buf[10];
977 char *retStr = buf;
978
979 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
980 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
981 return buf;
982 }
983
984 char * GetSelectedModulationStr( uint8_t id){
985
986 static char buf[20];
987 char *retStr = buf;
988
989 switch (id){
990 case DEMOD_FSK:
991 snprintf(retStr,sizeof(buf),"FSK");
992 break;
993 case DEMOD_FSK1:
994 snprintf(retStr,sizeof(buf),"FSK1");
995 break;
996 case DEMOD_FSK1a:
997 snprintf(retStr,sizeof(buf),"FSK1a");
998 break;
999 case DEMOD_FSK2:
1000 snprintf(retStr,sizeof(buf),"FSK2");
1001 break;
1002 case DEMOD_FSK2a:
1003 snprintf(retStr,sizeof(buf),"FSK2a");
1004 break;
1005 case DEMOD_ASK:
1006 snprintf(retStr,sizeof(buf),"ASK");
1007 break;
1008 case DEMOD_NRZ:
1009 snprintf(retStr,sizeof(buf),"DIRECT/NRZ");
1010 break;
1011 case DEMOD_PSK1:
1012 snprintf(retStr,sizeof(buf),"PSK1");
1013 break;
1014 case DEMOD_PSK2:
1015 snprintf(retStr,sizeof(buf),"PSK2");
1016 break;
1017 case DEMOD_PSK3:
1018 snprintf(retStr,sizeof(buf),"PSK3");
1019 break;
1020 case DEMOD_BI:
1021 snprintf(retStr,sizeof(buf),"BIPHASE");
1022 break;
1023 case DEMOD_BIa:
1024 snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)");
1025 break;
1026 default:
1027 snprintf(retStr,sizeof(buf),"(Unknown)");
1028 break;
1029 }
1030 return buf;
1031 }
1032
1033 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
1034
1035 int i = start;
1036 int j = len-1;
1037
1038 if (len > 32) return 0;
1039
1040 uint32_t tmp = 0;
1041 for (; j >= 0; --j, ++i)
1042 tmp |= bits[i] << j;
1043
1044 return tmp;
1045 }
1046
1047 static command_t CommandTable[] =
1048 {
1049 {"help", CmdHelp, 1, "This help"},
1050 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1051 {"detect", CmdT55xxDetect, 0, "[1] Try detecting the tag modulation from reading the configuration block."},
1052 {"read", CmdT55xxReadBlock, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},
1053 {"write", CmdT55xxWriteBlock,0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},
1054 {"trace", CmdT55xxReadTrace, 0, "[1] Show T55xx traceability data (page 1/ blk 0-1)"},
1055 {"info", CmdT55xxInfo, 0, "[1] Show T55xx configuration data (page 0/ blk 0)"},
1056 {"dump", CmdT55xxDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"},
1057 {"special", special, 0, "Show block changes with 64 different offsets"},
1058 {NULL, NULL, 0, NULL}
1059 };
1060
1061 int CmdLFT55XX(const char *Cmd)
1062 {
1063 CmdsParse(CommandTable, Cmd);
1064 return 0;
1065 }
1066
1067 int CmdHelp(const char *Cmd)
1068 {
1069 CmdsHelp(CommandTable);
1070 return 0;
1071 }
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