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Two fixes for warnings when compiling on Ubuntu14.04.
[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 T55x7_CONFIGURATION_BLOCK 0x00
30 #define T55x7_PAGE0 0x00
31 #define T55x7_PAGE1 0x01
32 #define T55x7_PWD 0x00000010
33 #define REGULAR_READ_MODE_BLOCK 0xFF
34
35 // Default configuration
36 t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00, .Q5 = FALSE };
37
38 t55xx_conf_block_t Get_t55xx_Config(){
39 return config;
40 }
41 void Set_t55xx_Config(t55xx_conf_block_t conf){
42 config = conf;
43 }
44
45 int usage_t55xx_config(){
46 PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>] [Q5]");
47 PrintAndLog("Options:");
48 PrintAndLog(" h This help");
49 PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate");
50 PrintAndLog(" d <FSK|FSK1|FSK1a|FSK2|FSK2a|ASK|PSK1|PSK2|NRZ|BI|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");
51 PrintAndLog(" i [1] Invert data signal, defaults to normal");
52 PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");
53 PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7");
54 PrintAndLog("");
55 PrintAndLog("Examples:");
56 PrintAndLog(" lf t55xx config d FSK - FSK demodulation");
57 PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");
58 PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");
59 PrintAndLog("");
60 return 0;
61 }
62 int usage_t55xx_read(){
63 PrintAndLog("Usage: lf t55xx read [b <block>] [p <password>] <override_safety> <page1>");
64 PrintAndLog("Options:");
65 PrintAndLog(" b <block> - block number to read. Between 0-7");
66 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
67 PrintAndLog(" o - OPTIONAL override safety check");
68 PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0");
69 PrintAndLog(" ****WARNING****");
70 PrintAndLog(" Use of read with password on a tag not configured for a pwd");
71 PrintAndLog(" can damage the tag");
72 PrintAndLog("");
73 PrintAndLog("Examples:");
74 PrintAndLog(" lf t55xx read b 0 - read data from block 0");
75 PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef");
76 PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check");
77 PrintAndLog("");
78 return 0;
79 }
80 int usage_t55xx_write(){
81 PrintAndLog("Usage: lf t55xx wr [b <block>] [d <data>] [p <password>] [1]");
82 PrintAndLog("Options:");
83 PrintAndLog(" b <block> - block number to write. Between 0-7");
84 PrintAndLog(" d <data> - 4 bytes of data to write (8 hex characters)");
85 PrintAndLog(" p <password> - OPTIONAL password 4bytes (8 hex characters)");
86 PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0");
87 PrintAndLog("");
88 PrintAndLog("Examples:");
89 PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3");
90 PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef");
91 PrintAndLog("");
92 return 0;
93 }
94 int usage_t55xx_trace() {
95 PrintAndLog("Usage: lf t55xx trace [1]");
96 PrintAndLog("Options:");
97 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
98 PrintAndLog("");
99 PrintAndLog("Examples:");
100 PrintAndLog(" lf t55xx trace");
101 PrintAndLog(" lf t55xx trace 1");
102 PrintAndLog("");
103 return 0;
104 }
105 int usage_t55xx_info() {
106 PrintAndLog("Usage: lf t55xx info [1]");
107 PrintAndLog("Options:");
108 PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag.");
109 PrintAndLog("");
110 PrintAndLog("Examples:");
111 PrintAndLog(" lf t55xx info");
112 PrintAndLog(" lf t55xx info 1");
113 PrintAndLog("");
114 return 0;
115 }
116 int usage_t55xx_dump(){
117 PrintAndLog("Usage: lf t55xx dump <password> [o]");
118 PrintAndLog("Options:");
119 PrintAndLog(" <password> - OPTIONAL password 4bytes (8 hex symbols)");
120 PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card");
121 PrintAndLog("");
122 PrintAndLog("Examples:");
123 PrintAndLog(" lf t55xx dump");
124 PrintAndLog(" lf t55xx dump feedbeef o");
125 PrintAndLog("");
126 return 0;
127 }
128 int usage_t55xx_detect(){
129 PrintAndLog("Usage: lf t55xx detect [1] [p <password>]");
130 PrintAndLog("Options:");
131 PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag.");
132 PrintAndLog(" p <password> - OPTIONAL password (8 hex characters)");
133 PrintAndLog("");
134 PrintAndLog("Examples:");
135 PrintAndLog(" lf t55xx detect");
136 PrintAndLog(" lf t55xx detect 1");
137 PrintAndLog(" lf t55xx detect p 11223344");
138 PrintAndLog("");
139 return 0;
140 }
141 int usage_t55xx_wakup(){
142 PrintAndLog("Usage: lf t55xx wakeup [h] p <password>");
143 PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards.");
144 PrintAndLog("Options:");
145 PrintAndLog(" h - this help");
146 PrintAndLog(" p <password> - password 4bytes (8 hex symbols)");
147 PrintAndLog("");
148 PrintAndLog("Examples:");
149 PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password");
150 return 0;
151 }
152 int usage_t55xx_bruteforce(){
153 PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");
154 PrintAndLog(" password must be 4 bytes (8 hex symbols)");
155 PrintAndLog("This command uses A) bruteforce to scan a number range");
156 PrintAndLog(" B) a dictionary attack");
157 PrintAndLog("Options:");
158 PrintAndLog(" h - this help");
159 PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>");
160 PrintAndLog("");
161 PrintAndLog("Examples:");
162 PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb");
163 PrintAndLog(" lf t55xx bruteforce i default_pwd.dic");
164 PrintAndLog("");
165 return 0;
166 }
167
168 static int CmdHelp(const char *Cmd);
169
170 void printT5xxHeader(uint8_t page){
171 PrintAndLog("Reading Page %d:", page);
172 PrintAndLog("blk | hex data | binary");
173 PrintAndLog("----+----------+---------------------------------");
174 }
175
176 int CmdT55xxSetConfig(const char *Cmd) {
177
178 uint8_t offset = 0;
179 char modulation[5] = {0x00};
180 char tmp = 0x00;
181 uint8_t bitRate = 0;
182 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
183 uint8_t cmdp = 0;
184 config.Q5 = FALSE;
185 bool errors = FALSE;
186 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
187 {
188 tmp = param_getchar(Cmd, cmdp);
189 switch(tmp)
190 {
191 case 'h':
192 case 'H':
193 return usage_t55xx_config();
194 case 'b':
195 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
196 if ( !errors){
197 uint8_t i = 0;
198 for (; i < 9; i++){
199 if (rates[i]==bitRate) {
200 config.bitrate = i;
201 break;
202 }
203 }
204 if (i==9) errors = TRUE;
205 }
206 cmdp+=2;
207 break;
208 case 'd':
209 param_getstr(Cmd, cmdp+1, modulation);
210 cmdp += 2;
211
212 if ( strcmp(modulation, "FSK" ) == 0) {
213 config.modulation = DEMOD_FSK;
214 } else if ( strcmp(modulation, "FSK1" ) == 0) {
215 config.modulation = DEMOD_FSK1;
216 config.inverted=1;
217 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
218 config.modulation = DEMOD_FSK1a;
219 config.inverted=0;
220 } else if ( strcmp(modulation, "FSK2" ) == 0) {
221 config.modulation = DEMOD_FSK2;
222 config.inverted=0;
223 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
224 config.modulation = DEMOD_FSK2a;
225 config.inverted=1;
226 } else if ( strcmp(modulation, "ASK" ) == 0) {
227 config.modulation = DEMOD_ASK;
228 } else if ( strcmp(modulation, "NRZ" ) == 0) {
229 config.modulation = DEMOD_NRZ;
230 } else if ( strcmp(modulation, "PSK1" ) == 0) {
231 config.modulation = DEMOD_PSK1;
232 } else if ( strcmp(modulation, "PSK2" ) == 0) {
233 config.modulation = DEMOD_PSK2;
234 } else if ( strcmp(modulation, "PSK3" ) == 0) {
235 config.modulation = DEMOD_PSK3;
236 } else if ( strcmp(modulation, "BIa" ) == 0) {
237 config.modulation = DEMOD_BIa;
238 config.inverted=1;
239 } else if ( strcmp(modulation, "BI" ) == 0) {
240 config.modulation = DEMOD_BI;
241 config.inverted=0;
242 } else {
243 PrintAndLog("Unknown modulation '%s'", modulation);
244 errors = TRUE;
245 }
246 break;
247 case 'i':
248 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
249 cmdp+=2;
250 break;
251 case 'o':
252 errors |= param_getdec(Cmd, cmdp+1, &offset);
253 if ( !errors )
254 config.offset = offset;
255 cmdp+=2;
256 break;
257 case 'Q':
258 case 'q':
259 config.Q5 = TRUE;
260 cmdp++;
261 break;
262 default:
263 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
264 errors = TRUE;
265 break;
266 }
267 }
268
269 // No args
270 if (cmdp == 0) return printConfiguration( config );
271
272 //Validations
273 if (errors) return usage_t55xx_config();
274
275 config.block0 = 0;
276 return printConfiguration ( config );
277 }
278
279 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
280 //Password mode
281 if ( usepwd ) {
282 // try reading the config block and verify that PWD bit is set before doing this!
283 if ( !override ) {
284
285 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
286
287 if ( !tryDetectModulation() ) {
288 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
289 return 0;
290 } else {
291 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
292 usepwd = false;
293 page1 = false;
294 }
295 } else {
296 PrintAndLog("Safety Check Overriden - proceeding despite risk");
297 }
298 }
299
300 if (!AquireData(page1, block, usepwd, password) ) return 0;
301 if (!DecodeT55xxBlock()) return 0;
302
303 char blk[10]={0};
304 sprintf(blk,"%02d", block);
305 printT55xxBlock(blk);
306 return 1;
307 }
308
309 int CmdT55xxReadBlock(const char *Cmd) {
310 uint8_t block = REGULAR_READ_MODE_BLOCK;
311 uint32_t password = 0; //default to blank Block 7
312 bool usepwd = false;
313 bool override = false;
314 bool page1 = false;
315 bool errors = false;
316 uint8_t cmdp = 0;
317 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
318 switch(param_getchar(Cmd, cmdp)) {
319 case 'h':
320 case 'H':
321 return usage_t55xx_read();
322 case 'b':
323 case 'B':
324 errors |= param_getdec(Cmd, cmdp+1, &block);
325 cmdp += 2;
326 break;
327 case 'o':
328 case 'O':
329 override = TRUE;
330 cmdp++;
331 break;
332 case 'p':
333 case 'P':
334 password = param_get32ex(Cmd, cmdp+1, 0, 16);
335 usepwd = true;
336 cmdp += 2;
337 break;
338 case '1':
339 page1 = true;
340 cmdp++;
341 break;
342 default:
343 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
344 errors = true;
345 break;
346 }
347 }
348 if (errors) return usage_t55xx_read();
349
350 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
351 PrintAndLog("Block must be between 0 and 7");
352 return 0;
353 }
354
355 printT5xxHeader(page1);
356 return T55xxReadBlock(block, page1, usepwd, override, password);
357 }
358
359 bool DecodeT55xxBlock(){
360
361 char buf[30] = {0x00};
362 char *cmdStr = buf;
363 int ans = 0;
364 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
365 DemodBufferLen = 0x00;
366
367 switch( config.modulation ){
368 case DEMOD_FSK:
369 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
370 ans = FSKrawDemod(cmdStr, FALSE);
371 break;
372 case DEMOD_FSK1:
373 case DEMOD_FSK1a:
374 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
375 ans = FSKrawDemod(cmdStr, FALSE);
376 break;
377 case DEMOD_FSK2:
378 case DEMOD_FSK2a:
379 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
380 ans = FSKrawDemod(cmdStr, FALSE);
381 break;
382 case DEMOD_ASK:
383 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
384 ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
385 break;
386 case DEMOD_PSK1:
387 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
388 CmdLtrim("160");
389 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
390 ans = PSKDemod(cmdStr, FALSE);
391 break;
392 case DEMOD_PSK2: //inverted won't affect this
393 case DEMOD_PSK3: //not fully implemented
394 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
395 CmdLtrim("160");
396 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
397 ans = PSKDemod(cmdStr, FALSE);
398 psk1TOpsk2(DemodBuffer, DemodBufferLen);
399 break;
400 case DEMOD_NRZ:
401 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
402 ans = NRZrawDemod(cmdStr, FALSE);
403 break;
404 case DEMOD_BI:
405 case DEMOD_BIa:
406 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
407 ans = ASKbiphaseDemod(cmdStr, FALSE);
408 break;
409 default:
410 return FALSE;
411 }
412 return (bool) ans;
413 }
414
415 int CmdT55xxDetect(const char *Cmd){
416
417 bool errors = FALSE;
418 bool useGB = FALSE;
419 bool usepwd = FALSE;
420 uint32_t password = 0;
421 uint8_t cmdp = 0;
422
423 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
424 switch(param_getchar(Cmd, cmdp)) {
425 case 'h':
426 case 'H':
427 return usage_t55xx_detect();
428 case 'p':
429 case 'P':
430 password = param_get32ex(Cmd, cmdp+1, 0, 16);
431 usepwd = TRUE;
432 cmdp += 2;
433 break;
434 case '1':
435 // use Graphbuffer data
436 useGB = TRUE;
437 cmdp++;
438 break;
439 default:
440 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
441 errors = true;
442 break;
443 }
444 }
445 if (errors) return usage_t55xx_detect();
446
447 if ( !useGB) {
448 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
449 return 0;
450 }
451
452 if ( !tryDetectModulation() )
453 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
454
455 return 1;
456 }
457
458 // detect configuration?
459 bool tryDetectModulation(){
460 uint8_t hits = 0;
461 t55xx_conf_block_t tests[15];
462 int bitRate=0;
463 uint8_t fc1 = 0, fc2 = 0, clk=0;
464 save_restoreGB(1);
465
466 if (GetFskClock("", FALSE, FALSE)){
467 fskClocks(&fc1, &fc2, &clk, FALSE);
468 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
469 tests[hits].modulation = DEMOD_FSK;
470 if (fc1==8 && fc2 == 5)
471 tests[hits].modulation = DEMOD_FSK1a;
472 else if (fc1==10 && fc2 == 8)
473 tests[hits].modulation = DEMOD_FSK2;
474 tests[hits].bitrate = bitRate;
475 tests[hits].inverted = FALSE;
476 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
477 ++hits;
478 }
479 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
480 tests[hits].modulation = DEMOD_FSK;
481 if (fc1 == 8 && fc2 == 5)
482 tests[hits].modulation = DEMOD_FSK1;
483 else if (fc1 == 10 && fc2 == 8)
484 tests[hits].modulation = DEMOD_FSK2a;
485
486 tests[hits].bitrate = bitRate;
487 tests[hits].inverted = TRUE;
488 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
489 ++hits;
490 }
491 } else {
492 clk = GetAskClock("", FALSE, FALSE);
493 if (clk>0) {
494 if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
495 tests[hits].modulation = DEMOD_ASK;
496 tests[hits].bitrate = bitRate;
497 tests[hits].inverted = FALSE;
498 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
499 ++hits;
500 }
501 if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
502 tests[hits].modulation = DEMOD_ASK;
503 tests[hits].bitrate = bitRate;
504 tests[hits].inverted = TRUE;
505 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
506 ++hits;
507 }
508 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
509 tests[hits].modulation = DEMOD_BI;
510 tests[hits].bitrate = bitRate;
511 tests[hits].inverted = FALSE;
512 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
513 ++hits;
514 }
515 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
516 tests[hits].modulation = DEMOD_BIa;
517 tests[hits].bitrate = bitRate;
518 tests[hits].inverted = TRUE;
519 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
520 ++hits;
521 }
522 }
523 //undo trim from ask
524 save_restoreGB(0);
525 clk = GetNrzClock("", FALSE, FALSE);
526 if (clk>0) {
527 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
528 tests[hits].modulation = DEMOD_NRZ;
529 tests[hits].bitrate = bitRate;
530 tests[hits].inverted = FALSE;
531 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
532 ++hits;
533 }
534
535 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
536 tests[hits].modulation = DEMOD_NRZ;
537 tests[hits].bitrate = bitRate;
538 tests[hits].inverted = TRUE;
539 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
540 ++hits;
541 }
542 }
543
544 //undo trim from nrz
545 save_restoreGB(0);
546 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
547 CmdLtrim("160");
548 clk = GetPskClock("", FALSE, FALSE);
549 if (clk>0) {
550 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
551 tests[hits].modulation = DEMOD_PSK1;
552 tests[hits].bitrate = bitRate;
553 tests[hits].inverted = FALSE;
554 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
555 ++hits;
556 }
557 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
558 tests[hits].modulation = DEMOD_PSK1;
559 tests[hits].bitrate = bitRate;
560 tests[hits].inverted = TRUE;
561 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
562 ++hits;
563 }
564 // PSK2 - needs a call to psk1TOpsk2.
565 if ( PSKDemod("0 0 6", FALSE)) {
566 psk1TOpsk2(DemodBuffer, DemodBufferLen);
567 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
568 tests[hits].modulation = DEMOD_PSK2;
569 tests[hits].bitrate = bitRate;
570 tests[hits].inverted = FALSE;
571 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
572 ++hits;
573 }
574 } // inverse waves does not affect this demod
575 // PSK3 - needs a call to psk1TOpsk2.
576 if ( PSKDemod("0 0 6", FALSE)) {
577 psk1TOpsk2(DemodBuffer, DemodBufferLen);
578 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
579 tests[hits].modulation = DEMOD_PSK3;
580 tests[hits].bitrate = bitRate;
581 tests[hits].inverted = FALSE;
582 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
583 ++hits;
584 }
585 } // inverse waves does not affect this demod
586 }
587 }
588 save_restoreGB(0);
589 if ( hits == 1) {
590 config.modulation = tests[0].modulation;
591 config.bitrate = tests[0].bitrate;
592 config.inverted = tests[0].inverted;
593 config.offset = tests[0].offset;
594 config.block0 = tests[0].block0;
595 printConfiguration( config );
596 return TRUE;
597 }
598
599 if ( hits > 1) {
600 PrintAndLog("Found [%d] possible matches for modulation.",hits);
601 for(int i=0; i<hits; ++i){
602 PrintAndLog("--[%d]---------------", i+1);
603 printConfiguration( tests[i] );
604 }
605 }
606 return FALSE;
607 }
608
609 bool testModulation(uint8_t mode, uint8_t modread){
610 switch( mode ){
611 case DEMOD_FSK:
612 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
613 break;
614 case DEMOD_ASK:
615 if (modread == DEMOD_ASK) return TRUE;
616 break;
617 case DEMOD_PSK1:
618 if (modread == DEMOD_PSK1) return TRUE;
619 break;
620 case DEMOD_PSK2:
621 if (modread == DEMOD_PSK2) return TRUE;
622 break;
623 case DEMOD_PSK3:
624 if (modread == DEMOD_PSK3) return TRUE;
625 break;
626 case DEMOD_NRZ:
627 if (modread == DEMOD_NRZ) return TRUE;
628 break;
629 case DEMOD_BI:
630 if (modread == DEMOD_BI) return TRUE;
631 break;
632 case DEMOD_BIa:
633 if (modread == DEMOD_BIa) return TRUE;
634 break;
635 default:
636 return FALSE;
637 }
638 return FALSE;
639 }
640
641 bool testQ5Modulation(uint8_t mode, uint8_t modread){
642 switch( mode ){
643 case DEMOD_FSK:
644 if (modread >= 4 && modread <= 5) return TRUE;
645 break;
646 case DEMOD_ASK:
647 if (modread == 0) return TRUE;
648 break;
649 case DEMOD_PSK1:
650 if (modread == 1) return TRUE;
651 break;
652 case DEMOD_PSK2:
653 if (modread == 2) return TRUE;
654 break;
655 case DEMOD_PSK3:
656 if (modread == 3) return TRUE;
657 break;
658 case DEMOD_NRZ:
659 if (modread == 7) return TRUE;
660 break;
661 case DEMOD_BI:
662 if (modread == 6) return TRUE;
663 break;
664 default:
665 return FALSE;
666 }
667 return FALSE;
668 }
669
670 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
671
672 if ( DemodBufferLen < 64 ) return FALSE;
673 uint8_t si = 0;
674 for (uint8_t idx = 28; idx < 64; idx++){
675 si = idx;
676 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
677
678 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
679 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
680 // 2nibble must be zeroed.
681 if (safer != 0x6) continue;
682 if ( resv > 0x00) continue;
683 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
684 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
685 si += 1+1;
686 int bitRate = PackBits(si, 5, DemodBuffer)*2 + 2; si += 5; //bit rate
687 if (bitRate > 128 || bitRate < 8) continue;
688
689 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
690 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
691 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
692 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
693 si += 1+1+2+1;
694 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
695 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
696 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
697 if (maxBlk == 0) continue;
698 //test modulation
699 if (!testQ5Modulation(mode, modread)) continue;
700 if (bitRate != clk) continue;
701 *fndBitRate = bitRate;
702 *offset = idx;
703
704 return TRUE;
705 }
706 return FALSE;
707 }
708
709 bool testBitRate(uint8_t readRate, uint8_t clk){
710 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
711 if (expected[readRate] == clk)
712 return true;
713
714 return false;
715 }
716
717 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
718
719 if ( DemodBufferLen < 64 ) return FALSE;
720 uint8_t si = 0;
721 for (uint8_t idx = 28; idx < 64; idx++){
722 si = idx;
723 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
724
725 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
726 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
727 // 2nibble must be zeroed.
728 // moved test to here, since this gets most faults first.
729 if ( resv > 0x00) continue;
730
731 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
732 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
733 if (bitRate > 7) continue;
734 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
735 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
736 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
737 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
738 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
739
740 //if extended mode
741 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
742
743 if (!extMode){
744 if (nml01 || nml02 || xtRate) continue;
745 }
746 //test modulation
747 if (!testModulation(mode, modread)) continue;
748 if (!testBitRate(bitRate, clk)) continue;
749 *fndBitRate = bitRate;
750 *offset = idx;
751 *Q5 = FALSE;
752 return TRUE;
753 }
754 if (testQ5(mode, offset, fndBitRate, clk)) {
755 *Q5 = TRUE;
756 return TRUE;
757 }
758 return FALSE;
759 }
760
761 void printT55xxBlock(const char *blockNum){
762
763 uint8_t i = config.offset;
764 uint8_t endpos = 32 + i;
765 uint32_t blockData = 0;
766 uint8_t bits[64] = {0x00};
767
768 if ( !DemodBufferLen) return;
769
770 if ( endpos > DemodBufferLen){
771 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
772 return;
773 }
774
775 for (; i < endpos; ++i)
776 bits[i - config.offset] = DemodBuffer[i];
777
778 blockData = PackBits(0, 32, bits);
779
780 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
781 }
782
783 int special(const char *Cmd) {
784 uint32_t blockData = 0;
785 uint8_t bits[32] = {0x00};
786
787 PrintAndLog("OFFSET | DATA | BINARY");
788 PrintAndLog("----------------------------------------------------");
789 int i,j = 0;
790 for (; j < 64; ++j){
791
792 for (i = 0; i < 32; ++i)
793 bits[i]=DemodBuffer[j+i];
794
795 blockData = PackBits(0, 32, bits);
796
797 PrintAndLog("%02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
798 }
799 return 0;
800 }
801
802 int printConfiguration( t55xx_conf_block_t b){
803 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
804 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
805 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
806 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
807 PrintAndLog("Offset : %d", b.offset);
808 PrintAndLog("Block0 : 0x%08X", b.block0);
809 PrintAndLog("");
810 return 0;
811 }
812
813 int CmdT55xxWakeUp(const char *Cmd) {
814 uint32_t password = 0;
815 uint8_t cmdp = 0;
816 bool errors = false;
817 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
818 switch(param_getchar(Cmd, cmdp)) {
819 case 'h':
820 case 'H':
821 return usage_t55xx_wakup();
822 case 'p':
823 case 'P':
824 password = param_get32ex(Cmd, cmdp+1, 0, 16);
825 cmdp += 2;
826 errors = false;
827 break;
828 default:
829 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
830 errors = true;
831 break;
832 }
833 }
834 if (errors) return usage_t55xx_wakup();
835
836 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
837 clearCommandBuffer();
838 SendCommand(&c);
839 PrintAndLog("Wake up command sent. Try read now");
840 return 0;
841 }
842
843 int CmdT55xxWriteBlock(const char *Cmd) {
844 uint8_t block = 0xFF; //default to invalid block
845 uint32_t data = 0; //default to blank Block
846 uint32_t password = 0; //default to blank Block 7
847 bool usepwd = false;
848 bool page1 = false;
849 bool gotdata = false;
850 bool errors = false;
851 uint8_t cmdp = 0;
852 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
853 switch(param_getchar(Cmd, cmdp)) {
854 case 'h':
855 case 'H':
856 return usage_t55xx_write();
857 case 'b':
858 case 'B':
859 errors |= param_getdec(Cmd, cmdp+1, &block);
860 cmdp += 2;
861 break;
862 case 'd':
863 case 'D':
864 data = param_get32ex(Cmd, cmdp+1, 0, 16);
865 gotdata = true;
866 cmdp += 2;
867 break;
868 case 'p':
869 case 'P':
870 password = param_get32ex(Cmd, cmdp+1, 0, 16);
871 usepwd = true;
872 cmdp += 2;
873 break;
874 case '1':
875 page1 = true;
876 cmdp++;
877 break;
878 default:
879 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
880 errors = true;
881 break;
882 }
883 }
884 if (errors || !gotdata) return usage_t55xx_write();
885
886 if (block > 7) {
887 PrintAndLog("Block number must be between 0 and 7");
888 return 0;
889 }
890
891 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
892 UsbCommand resp;
893 c.d.asBytes[0] = (page1) ? 0x2 : 0;
894
895 char pwdStr[16] = {0};
896 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
897
898 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
899
900 //Password mode
901 if (usepwd) {
902 c.arg[2] = password;
903 c.d.asBytes[0] |= 0x1;
904 }
905 clearCommandBuffer();
906 SendCommand(&c);
907 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
908 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
909 return 0;
910 }
911 return 1;
912 }
913
914 int CmdT55xxReadTrace(const char *Cmd) {
915 char cmdp = param_getchar(Cmd, 0);
916 bool pwdmode = false;
917 uint32_t password = 0;
918 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();
919
920 if (strlen(Cmd)==0)
921 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
922 return 0;
923
924 if (!DecodeT55xxBlock()) return 0;
925
926 if ( !DemodBufferLen) return 0;
927
928 RepaintGraphWindow();
929 uint8_t repeat = 0;
930 if (config.offset > 5)
931 repeat = 32;
932 uint8_t si = config.offset+repeat;
933 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
934 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
935
936 uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;
937 uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;
938 uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;
939 uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;
940 uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;
941 uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;
942 uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;
943 uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;
944 uint32_t dw = PackBits(si, 15, DemodBuffer);
945
946 time_t t = time(NULL);
947 struct tm tm = *localtime(&t);
948 if ( year > tm.tm_year-110)
949 year += 2000;
950 else
951 year += 2010;
952
953 if (config.Q5) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected");
954 if ( acl != 0xE0 ) {
955 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
956 return 0;
957 }
958 PrintAndLog("");
959 PrintAndLog("-- T55xx Trace Information ----------------------------------");
960 PrintAndLog("-------------------------------------------------------------");
961 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
962 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));
963 PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));
964 PrintAndLog(" ICR IC Revision : %d",icr );
965 PrintAndLog(" Manufactured");
966 PrintAndLog(" Year/Quarter : %d/%d",year, quarter);
967 PrintAndLog(" Lot ID : %d", lotid );
968 PrintAndLog(" Wafer number : %d", wafer);
969 PrintAndLog(" Die Number : %d", dw);
970 PrintAndLog("-------------------------------------------------------------");
971 PrintAndLog(" Raw Data - Page 1");
972 PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
973 PrintAndLog(" Block 2 : 0x%08X %s", bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
974 PrintAndLog("-------------------------------------------------------------");
975
976 /*
977 TRACE - BLOCK O
978 Bits Definition HEX
979 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
980 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
981 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
982 22-24 ICR IC revision
983 25-28 YEAR (BCD encoded) 9 (= 2009)
984 29-30 QUARTER 1,2,3,4
985 31-32 LOT ID
986
987 TRACE - BLOCK 1
988 1-12 LOT ID
989 13-17 Wafer number
990 18-32 DW, die number sequential
991 */
992
993 return 0;
994 }
995
996 int CmdT55xxInfo(const char *Cmd){
997 /*
998 Page 0 Block 0 Configuration data.
999 Normal mode
1000 Extended mode
1001 */
1002 bool pwdmode = false;
1003 uint32_t password = 0;
1004 char cmdp = param_getchar(Cmd, 0);
1005
1006 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info();
1007
1008 if (strlen(Cmd)==0)
1009 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1010 return 1;
1011
1012 if (!DecodeT55xxBlock()) return 1;
1013
1014 if ( DemodBufferLen < 32) return 1;
1015
1016 uint8_t si = config.offset;
1017 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1018
1019 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1020 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1021 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1022 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1023 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1024 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1025 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1026 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1027 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1028 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1029 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1030 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1031 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1032 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1033 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1034 PrintAndLog("");
1035 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
1036 PrintAndLog("-------------------------------------------------------------");
1037 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1038 PrintAndLog(" reserved : %d", resv);
1039 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1040 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1041 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1042 PrintAndLog(" PSK clock frequency : %d", pskcf);
1043 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1044 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1045 PrintAndLog(" Max block : %d", maxblk);
1046 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1047 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1048 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1049 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1050 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1051 PrintAndLog("-------------------------------------------------------------");
1052 PrintAndLog(" Raw Data - Page 0");
1053 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1054 PrintAndLog("-------------------------------------------------------------");
1055
1056 return 0;
1057 }
1058
1059 int CmdT55xxDump(const char *Cmd){
1060
1061 uint32_t password = 0;
1062 bool override = false;
1063 char cmdp = param_getchar(Cmd, 0);
1064 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1065
1066 bool usepwd = ( strlen(Cmd) > 0);
1067 if ( usepwd ){
1068 password = param_get32ex(Cmd, 0, 0, 16);
1069 if (param_getchar(Cmd, 1) =='o' )
1070 override = true;
1071 }
1072
1073 printT5xxHeader(0);
1074 for ( uint8_t i = 0; i < 8; ++i)
1075 T55xxReadBlock(i, 0, usepwd, override, password);
1076
1077 printT5xxHeader(1);
1078 for ( uint8_t i = 0; i < 4; i++)
1079 T55xxReadBlock(i, 1, usepwd, override, password);
1080
1081 return 1;
1082 }
1083
1084 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1085 // arg0 bitmodes:
1086 // bit0 = pwdmode
1087 // bit1 = page to read from
1088 uint8_t arg0 = (page<<1) | pwdmode;
1089 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1090
1091 clearCommandBuffer();
1092 SendCommand(&c);
1093 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1094 PrintAndLog("command execution time out");
1095 return 0;
1096 }
1097
1098 uint8_t got[12000];
1099 GetFromBigBuf(got,sizeof(got),0);
1100 WaitForResponse(CMD_ACK,NULL);
1101 setGraphBuf(got, sizeof(got));
1102 return 1;
1103 }
1104
1105 char * GetBitRateStr(uint32_t id){
1106 static char buf[25];
1107
1108 char *retStr = buf;
1109 switch (id){
1110 case 0:
1111 snprintf(retStr,sizeof(buf),"%d - RF/8",id);
1112 break;
1113 case 1:
1114 snprintf(retStr,sizeof(buf),"%d - RF/16",id);
1115 break;
1116 case 2:
1117 snprintf(retStr,sizeof(buf),"%d - RF/32",id);
1118 break;
1119 case 3:
1120 snprintf(retStr,sizeof(buf),"%d - RF/40",id);
1121 break;
1122 case 4:
1123 snprintf(retStr,sizeof(buf),"%d - RF/50",id);
1124 break;
1125 case 5:
1126 snprintf(retStr,sizeof(buf),"%d - RF/64",id);
1127 break;
1128 case 6:
1129 snprintf(retStr,sizeof(buf),"%d - RF/100",id);
1130 break;
1131 case 7:
1132 snprintf(retStr,sizeof(buf),"%d - RF/128",id);
1133 break;
1134 default:
1135 snprintf(retStr,sizeof(buf),"%d - (Unknown)",id);
1136 break;
1137 }
1138
1139 return buf;
1140 }
1141
1142 char * GetSaferStr(uint32_t id){
1143 static char buf[40];
1144 char *retStr = buf;
1145
1146 snprintf(retStr,sizeof(buf),"%d",id);
1147 if (id == 6) {
1148 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1149 }
1150 if (id == 9 ){
1151 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1152 }
1153
1154 return buf;
1155 }
1156
1157 char * GetModulationStr( uint32_t id){
1158 static char buf[60];
1159 char *retStr = buf;
1160
1161 switch (id){
1162 case 0:
1163 snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id);
1164 break;
1165 case 1:
1166 snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id);
1167 break;
1168 case 2:
1169 snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id);
1170 break;
1171 case 3:
1172 snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id);
1173 break;
1174 case 4:
1175 snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id);
1176 break;
1177 case 5:
1178 snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id);
1179 break;
1180 case 6:
1181 snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id);
1182 break;
1183 case 7:
1184 snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id);
1185 break;
1186 case 8:
1187 snprintf(retStr,sizeof(buf),"%d - Manchester",id);
1188 break;
1189 case 16:
1190 snprintf(retStr,sizeof(buf),"%d - Biphase",id);
1191 break;
1192 case 0x18:
1193 snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);
1194 break;
1195 case 17:
1196 snprintf(retStr,sizeof(buf),"%d - Reserved",id);
1197 break;
1198 default:
1199 snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id);
1200 break;
1201 }
1202 return buf;
1203 }
1204
1205 char * GetModelStrFromCID(uint32_t cid){
1206
1207 static char buf[10];
1208 char *retStr = buf;
1209
1210 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1211 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1212 return buf;
1213 }
1214
1215 char * GetSelectedModulationStr( uint8_t id){
1216
1217 static char buf[20];
1218 char *retStr = buf;
1219
1220 switch (id){
1221 case DEMOD_FSK:
1222 snprintf(retStr,sizeof(buf),"FSK");
1223 break;
1224 case DEMOD_FSK1:
1225 snprintf(retStr,sizeof(buf),"FSK1");
1226 break;
1227 case DEMOD_FSK1a:
1228 snprintf(retStr,sizeof(buf),"FSK1a");
1229 break;
1230 case DEMOD_FSK2:
1231 snprintf(retStr,sizeof(buf),"FSK2");
1232 break;
1233 case DEMOD_FSK2a:
1234 snprintf(retStr,sizeof(buf),"FSK2a");
1235 break;
1236 case DEMOD_ASK:
1237 snprintf(retStr,sizeof(buf),"ASK");
1238 break;
1239 case DEMOD_NRZ:
1240 snprintf(retStr,sizeof(buf),"DIRECT/NRZ");
1241 break;
1242 case DEMOD_PSK1:
1243 snprintf(retStr,sizeof(buf),"PSK1");
1244 break;
1245 case DEMOD_PSK2:
1246 snprintf(retStr,sizeof(buf),"PSK2");
1247 break;
1248 case DEMOD_PSK3:
1249 snprintf(retStr,sizeof(buf),"PSK3");
1250 break;
1251 case DEMOD_BI:
1252 snprintf(retStr,sizeof(buf),"BIPHASE");
1253 break;
1254 case DEMOD_BIa:
1255 snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)");
1256 break;
1257 default:
1258 snprintf(retStr,sizeof(buf),"(Unknown)");
1259 break;
1260 }
1261 return buf;
1262 }
1263
1264 void t55x7_create_config_block( int tagtype ){
1265
1266 /*
1267 T55X7_DEFAULT_CONFIG_BLOCK, T55X7_RAW_CONFIG_BLOCK
1268 T55X7_EM_UNIQUE_CONFIG_BLOCK, T55X7_FDXB_CONFIG_BLOCK,
1269 T55X7_FDXB_CONFIG_BLOCK, T55X7_HID_26_CONFIG_BLOCK, T55X7_INDALA_64_CONFIG_BLOCK, T55X7_INDALA_224_CONFIG_BLOCK
1270 T55X7_GUARDPROXII_CONFIG_BLOCK, T55X7_VIKING_CONFIG_BLOCK, T55X7_NORALYS_CONFIG_BLOCK, T55X7_IOPROX_CONFIG_BLOCK
1271 */
1272 static char buf[60];
1273 char *retStr = buf;
1274
1275 switch (tagtype){
1276 case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;
1277 case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;
1278 default:
1279 break;
1280 }
1281 PrintAndLog(buf);
1282 }
1283
1284 int CmdResetRead(const char *Cmd) {
1285 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1286
1287 clearCommandBuffer();
1288 SendCommand(&c);
1289 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1290 PrintAndLog("command execution time out");
1291 return 0;
1292 }
1293
1294 uint8_t got[BIGBUF_SIZE-1];
1295 GetFromBigBuf(got,sizeof(got),0);
1296 WaitForResponse(CMD_ACK,NULL);
1297 setGraphBuf(got, sizeof(got));
1298 return 1;
1299 }
1300
1301 int CmdT55xxWipe(const char *Cmd) {
1302 char writeData[20] = {0};
1303 char *ptrData = writeData;
1304
1305 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1306
1307 //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set)
1308 snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");
1309
1310 if (!CmdT55xxWriteBlock(ptrData))
1311 PrintAndLog("Error writing blk 0");
1312
1313 for (uint8_t blk = 1; blk<8; blk++) {
1314
1315 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1316
1317 if (!CmdT55xxWriteBlock(ptrData))
1318 PrintAndLog("Error writing blk %d", blk);
1319
1320 memset(writeData,0x00, sizeof(writeData));
1321 }
1322 return 0;
1323 }
1324
1325 int CmdT55xxBruteForce(const char *Cmd) {
1326
1327 // load a default pwd file.
1328 char buf[9];
1329 char filename[FILE_PATH_SIZE]={0};
1330 int keycnt = 0;
1331 uint8_t stKeyBlock = 20;
1332 uint8_t *keyBlock = NULL, *p;
1333 keyBlock = calloc(stKeyBlock, 6);
1334 if (keyBlock == NULL) return 1;
1335
1336 uint32_t start_password = 0x00000000; //start password
1337 uint32_t end_password = 0xFFFFFFFF; //end password
1338 bool found = false;
1339
1340 char cmdp = param_getchar(Cmd, 0);
1341 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1342
1343 if (cmdp == 'i' || cmdp == 'I') {
1344
1345 int len = strlen(Cmd+2);
1346 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1347 memcpy(filename, Cmd+2, len);
1348
1349 FILE * f = fopen( filename , "r");
1350
1351 if ( !f ) {
1352 PrintAndLog("File: %s: not found or locked.", filename);
1353 free(keyBlock);
1354 return 1;
1355 }
1356
1357 while( fgets(buf, sizeof(buf), f) ){
1358 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1359
1360 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1361
1362 //The line start with # is comment, skip
1363 if( buf[0]=='#' ) continue;
1364
1365 if (!isxdigit(buf[0])){
1366 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1367 continue;
1368 }
1369
1370 buf[8] = 0;
1371
1372 if ( stKeyBlock - keycnt < 2) {
1373 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1374 if (!p) {
1375 PrintAndLog("Cannot allocate memory for defaultKeys");
1376 free(keyBlock);
1377 return 2;
1378 }
1379 keyBlock = p;
1380 }
1381 memset(keyBlock + 4 * keycnt, 0, 4);
1382 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1383 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1384 keycnt++;
1385 memset(buf, 0, sizeof(buf));
1386 }
1387 fclose(f);
1388
1389 if (keycnt == 0) {
1390 PrintAndLog("No keys found in file");
1391 return 1;
1392 }
1393 PrintAndLog("Loaded %d keys", keycnt);
1394
1395 // loop
1396 uint64_t testpwd = 0x00;
1397 for (uint16_t c = 0; c < keycnt; ++c ) {
1398
1399 if (ukbhit()) {
1400 getchar();
1401 printf("\naborted via keyboard!\n");
1402 return 0;
1403 }
1404
1405 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1406
1407 PrintAndLog("Testing %08X", testpwd);
1408
1409
1410 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1411 PrintAndLog("Aquireing data from device failed. Quitting");
1412 return 0;
1413 }
1414
1415 found = tryDetectModulation();
1416
1417 if ( found ) {
1418 PrintAndLog("Found valid password: [%08X]", testpwd);
1419 return 0;
1420 }
1421 }
1422 PrintAndLog("Password NOT found.");
1423 return 0;
1424 }
1425
1426 // Try to read Block 7, first :)
1427
1428 // incremental pwd range search
1429 start_password = param_get32ex(Cmd, 0, 0, 16);
1430 end_password = param_get32ex(Cmd, 1, 0, 16);
1431
1432 if ( start_password >= end_password ) return usage_t55xx_bruteforce();
1433
1434 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1435
1436 uint32_t i = start_password;
1437
1438 while ((!found) && (i <= end_password)){
1439
1440 printf(".");
1441 fflush(stdout);
1442 if (ukbhit()) {
1443 getchar();
1444 printf("\naborted via keyboard!\n");
1445 return 0;
1446 }
1447
1448 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1449 PrintAndLog("Aquireing data from device failed. Quitting");
1450 return 0;
1451 }
1452 found = tryDetectModulation();
1453
1454 if (found) break;
1455 i++;
1456 }
1457
1458 PrintAndLog("");
1459
1460 if (found)
1461 PrintAndLog("Found valid password: [%08x]", i);
1462 else
1463 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1464 return 0;
1465 }
1466
1467 static command_t CommandTable[] = {
1468 {"help", CmdHelp, 1, "This help"},
1469 {"bruteforce", CmdT55xxBruteForce,0, "Simple bruteforce attack to find password"},
1470 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1471 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1472 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1473 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1474 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1475 {"resetread", CmdResetRead, 0, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"},
1476 {"special", special, 0, "Show block changes with 64 different offsets"},
1477 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1478 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1479 {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1480 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1481 {NULL, NULL, 0, NULL}
1482 };
1483
1484 int CmdLFT55XX(const char *Cmd) {
1485 CmdsParse(CommandTable, Cmd);
1486 return 0;
1487 }
1488
1489 int CmdHelp(const char *Cmd) {
1490 CmdsHelp(CommandTable);
1491 return 0;
1492 }
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