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FIX: coverty scan defects.
[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("This command uses A) bruteforce to scan a number range");
154 PrintAndLog(" B) a dictionary attack");
155 PrintAndLog("Usage: lf t55xx bruteforce <start password> <end password> [i <*.dic>]");
156 PrintAndLog(" password must be 4 bytes (8 hex symbols)");
157 PrintAndLog("Options:");
158 PrintAndLog(" h - this help");
159 PrintAndLog(" <start_pwd> - 4 byte hex value to start pwd search at");
160 PrintAndLog(" <end_pwd> - 4 byte hex value to end pwd search at");
161 PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>");
162 PrintAndLog("");
163 PrintAndLog("Examples:");
164 PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb");
165 PrintAndLog(" lf t55xx bruteforce i default_pwd.dic");
166 PrintAndLog("");
167 return 0;
168 }
169 int usage_t55xx_wipe(){
170 PrintAndLog("Usage: lf t55xx wipe [h] [Q5]");
171 PrintAndLog("This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block");
172 PrintAndLog("Options:");
173 PrintAndLog(" h - this help");
174 PrintAndLog(" Q5 - indicates to use the T555 (Q5) default configuration block");
175 PrintAndLog("");
176 PrintAndLog("Examples:");
177 PrintAndLog(" lf t55xx wipe - wipes a t55x7 tag, config block 0x000880E0");
178 PrintAndLog(" lf t55xx wipe Q5 - wipes a t5555 Q5 tag, config block 0x6001F004");
179 return 0;
180 }
181 static int CmdHelp(const char *Cmd);
182
183 void printT5xxHeader(uint8_t page){
184 PrintAndLog("Reading Page %d:", page);
185 PrintAndLog("blk | hex data | binary");
186 PrintAndLog("----+----------+---------------------------------");
187 }
188
189 int CmdT55xxSetConfig(const char *Cmd) {
190
191 uint8_t offset = 0;
192 char modulation[5] = {0x00};
193 char tmp = 0x00;
194 uint8_t bitRate = 0;
195 uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};
196 uint8_t cmdp = 0;
197 bool errors = FALSE;
198 while(param_getchar(Cmd, cmdp) != 0x00 && !errors)
199 {
200 tmp = param_getchar(Cmd, cmdp);
201 switch(tmp)
202 {
203 case 'h':
204 case 'H':
205 return usage_t55xx_config();
206 case 'b':
207 errors |= param_getdec(Cmd, cmdp+1, &bitRate);
208 if ( !errors){
209 uint8_t i = 0;
210 for (; i < 9; i++){
211 if (rates[i]==bitRate) {
212 config.bitrate = i;
213 break;
214 }
215 }
216 if (i==9) errors = TRUE;
217 }
218 cmdp+=2;
219 break;
220 case 'd':
221 param_getstr(Cmd, cmdp+1, modulation);
222 cmdp += 2;
223
224 if ( strcmp(modulation, "FSK" ) == 0) {
225 config.modulation = DEMOD_FSK;
226 } else if ( strcmp(modulation, "FSK1" ) == 0) {
227 config.modulation = DEMOD_FSK1;
228 config.inverted=1;
229 } else if ( strcmp(modulation, "FSK1a" ) == 0) {
230 config.modulation = DEMOD_FSK1a;
231 config.inverted=0;
232 } else if ( strcmp(modulation, "FSK2" ) == 0) {
233 config.modulation = DEMOD_FSK2;
234 config.inverted=0;
235 } else if ( strcmp(modulation, "FSK2a" ) == 0) {
236 config.modulation = DEMOD_FSK2a;
237 config.inverted=1;
238 } else if ( strcmp(modulation, "ASK" ) == 0) {
239 config.modulation = DEMOD_ASK;
240 } else if ( strcmp(modulation, "NRZ" ) == 0) {
241 config.modulation = DEMOD_NRZ;
242 } else if ( strcmp(modulation, "PSK1" ) == 0) {
243 config.modulation = DEMOD_PSK1;
244 } else if ( strcmp(modulation, "PSK2" ) == 0) {
245 config.modulation = DEMOD_PSK2;
246 } else if ( strcmp(modulation, "PSK3" ) == 0) {
247 config.modulation = DEMOD_PSK3;
248 } else if ( strcmp(modulation, "BIa" ) == 0) {
249 config.modulation = DEMOD_BIa;
250 config.inverted=1;
251 } else if ( strcmp(modulation, "BI" ) == 0) {
252 config.modulation = DEMOD_BI;
253 config.inverted=0;
254 } else {
255 PrintAndLog("Unknown modulation '%s'", modulation);
256 errors = TRUE;
257 }
258 break;
259 case 'i':
260 config.inverted = param_getchar(Cmd,cmdp+1) == '1';
261 cmdp+=2;
262 break;
263 case 'o':
264 errors |= param_getdec(Cmd, cmdp+1, &offset);
265 if ( !errors )
266 config.offset = offset;
267 cmdp+=2;
268 break;
269 case 'Q':
270 case 'q':
271 config.Q5 = TRUE;
272 cmdp++;
273 break;
274 default:
275 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
276 errors = TRUE;
277 break;
278 }
279 }
280
281 // No args
282 if (cmdp == 0) return printConfiguration( config );
283
284 //Validations
285 if (errors) return usage_t55xx_config();
286
287 config.block0 = 0;
288 return printConfiguration ( config );
289 }
290
291 int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){
292 //Password mode
293 if ( usepwd ) {
294 // try reading the config block and verify that PWD bit is set before doing this!
295 if ( !override ) {
296
297 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0;
298
299 if ( !tryDetectModulation() ) {
300 PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits.");
301 return 0;
302 } else {
303 PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password...");
304 usepwd = false;
305 page1 = false;
306 }
307 } else {
308 PrintAndLog("Safety Check Overriden - proceeding despite risk");
309 }
310 }
311
312 if (!AquireData(page1, block, usepwd, password) ) return 0;
313 if (!DecodeT55xxBlock()) return 0;
314
315 char blk[10]={0};
316 sprintf(blk,"%02d", block);
317 printT55xxBlock(blk);
318 return 1;
319 }
320
321 int CmdT55xxReadBlock(const char *Cmd) {
322 uint8_t block = REGULAR_READ_MODE_BLOCK;
323 uint32_t password = 0; //default to blank Block 7
324 bool usepwd = false;
325 bool override = false;
326 bool page1 = false;
327 bool errors = false;
328 uint8_t cmdp = 0;
329 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
330 switch(param_getchar(Cmd, cmdp)) {
331 case 'h':
332 case 'H':
333 return usage_t55xx_read();
334 case 'b':
335 case 'B':
336 errors |= param_getdec(Cmd, cmdp+1, &block);
337 cmdp += 2;
338 break;
339 case 'o':
340 case 'O':
341 override = TRUE;
342 cmdp++;
343 break;
344 case 'p':
345 case 'P':
346 password = param_get32ex(Cmd, cmdp+1, 0, 16);
347 usepwd = true;
348 cmdp += 2;
349 break;
350 case '1':
351 page1 = true;
352 cmdp++;
353 break;
354 default:
355 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
356 errors = true;
357 break;
358 }
359 }
360 if (errors) return usage_t55xx_read();
361
362 if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) {
363 PrintAndLog("Block must be between 0 and 7");
364 return 0;
365 }
366
367 printT5xxHeader(page1);
368 return T55xxReadBlock(block, page1, usepwd, override, password);
369 }
370
371 bool DecodeT55xxBlock(){
372
373 char buf[30] = {0x00};
374 char *cmdStr = buf;
375 int ans = 0;
376 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
377 DemodBufferLen = 0x00;
378
379 switch( config.modulation ){
380 case DEMOD_FSK:
381 snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );
382 ans = FSKrawDemod(cmdStr, FALSE);
383 break;
384 case DEMOD_FSK1:
385 case DEMOD_FSK1a:
386 snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );
387 ans = FSKrawDemod(cmdStr, FALSE);
388 break;
389 case DEMOD_FSK2:
390 case DEMOD_FSK2a:
391 snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );
392 ans = FSKrawDemod(cmdStr, FALSE);
393 break;
394 case DEMOD_ASK:
395 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
396 ans = ASKDemod(cmdStr, FALSE, FALSE, 1);
397 break;
398 case DEMOD_PSK1:
399 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
400 save_restoreGB(1);
401 CmdLtrim("160");
402 snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted );
403 ans = PSKDemod(cmdStr, FALSE);
404 //undo trim samples
405 save_restoreGB(0);
406 break;
407 case DEMOD_PSK2: //inverted won't affect this
408 case DEMOD_PSK3: //not fully implemented
409 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
410 save_restoreGB(1);
411 CmdLtrim("160");
412 snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] );
413 ans = PSKDemod(cmdStr, FALSE);
414 psk1TOpsk2(DemodBuffer, DemodBufferLen);
415 //undo trim samples
416 save_restoreGB(0);
417 break;
418 case DEMOD_NRZ:
419 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
420 ans = NRZrawDemod(cmdStr, FALSE);
421 break;
422 case DEMOD_BI:
423 case DEMOD_BIa:
424 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
425 ans = ASKbiphaseDemod(cmdStr, FALSE);
426 break;
427 default:
428 return FALSE;
429 }
430 return (bool) ans;
431 }
432
433 bool DecodeT5555TraceBlock() {
434 DemodBufferLen = 0x00;
435
436 // According to datasheet. Always: RF/64, not inverted, Manchester
437 return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1);
438 }
439
440
441 int CmdT55xxDetect(const char *Cmd){
442 bool errors = FALSE;
443 bool useGB = FALSE;
444 bool usepwd = FALSE;
445 uint32_t password = 0;
446 uint8_t cmdp = 0;
447
448 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
449 switch(param_getchar(Cmd, cmdp)) {
450 case 'h':
451 case 'H':
452 return usage_t55xx_detect();
453 case 'p':
454 case 'P':
455 password = param_get32ex(Cmd, cmdp+1, 0, 16);
456 usepwd = TRUE;
457 cmdp += 2;
458 break;
459 case '1':
460 // use Graphbuffer data
461 useGB = TRUE;
462 cmdp++;
463 break;
464 default:
465 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
466 errors = true;
467 break;
468 }
469 }
470 if (errors) return usage_t55xx_detect();
471
472 if ( !useGB) {
473 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) )
474 return 0;
475 }
476
477 if ( !tryDetectModulation() )
478 PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
479
480 return 1;
481 }
482
483 // detect configuration?
484 bool tryDetectModulation(){
485 uint8_t hits = 0;
486 t55xx_conf_block_t tests[15];
487 int bitRate=0;
488 uint8_t fc1 = 0, fc2 = 0, clk=0;
489
490 if (GetFskClock("", FALSE, FALSE)){
491 fskClocks(&fc1, &fc2, &clk, FALSE);
492 if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
493 tests[hits].modulation = DEMOD_FSK;
494 if (fc1==8 && fc2 == 5)
495 tests[hits].modulation = DEMOD_FSK1a;
496 else if (fc1==10 && fc2 == 8)
497 tests[hits].modulation = DEMOD_FSK2;
498 tests[hits].bitrate = bitRate;
499 tests[hits].inverted = FALSE;
500 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
501 ++hits;
502 }
503 if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
504 tests[hits].modulation = DEMOD_FSK;
505 if (fc1 == 8 && fc2 == 5)
506 tests[hits].modulation = DEMOD_FSK1;
507 else if (fc1 == 10 && fc2 == 8)
508 tests[hits].modulation = DEMOD_FSK2a;
509 tests[hits].bitrate = bitRate;
510 tests[hits].inverted = TRUE;
511 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
512 ++hits;
513 }
514 } else {
515 clk = GetAskClock("", FALSE, FALSE);
516 if (clk>0) {
517 if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
518 tests[hits].modulation = DEMOD_ASK;
519 tests[hits].bitrate = bitRate;
520 tests[hits].inverted = FALSE;
521 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
522 ++hits;
523 }
524 if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
525 tests[hits].modulation = DEMOD_ASK;
526 tests[hits].bitrate = bitRate;
527 tests[hits].inverted = TRUE;
528 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
529 ++hits;
530 }
531 if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
532 tests[hits].modulation = DEMOD_BI;
533 tests[hits].bitrate = bitRate;
534 tests[hits].inverted = FALSE;
535 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
536 ++hits;
537 }
538 if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) {
539 tests[hits].modulation = DEMOD_BIa;
540 tests[hits].bitrate = bitRate;
541 tests[hits].inverted = TRUE;
542 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
543 ++hits;
544 }
545 }
546 //undo trim from ask
547 //save_restoreGB(0);
548 clk = GetNrzClock("", FALSE, FALSE);
549 if (clk>0) {
550 if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
551 tests[hits].modulation = DEMOD_NRZ;
552 tests[hits].bitrate = bitRate;
553 tests[hits].inverted = FALSE;
554 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
555 ++hits;
556 }
557
558 if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
559 tests[hits].modulation = DEMOD_NRZ;
560 tests[hits].bitrate = bitRate;
561 tests[hits].inverted = TRUE;
562 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
563 ++hits;
564 }
565 }
566
567 // allow undo
568 // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
569 save_restoreGB(1);
570 CmdLtrim("160");
571 clk = GetPskClock("", FALSE, FALSE);
572 if (clk>0) {
573 if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
574 tests[hits].modulation = DEMOD_PSK1;
575 tests[hits].bitrate = bitRate;
576 tests[hits].inverted = FALSE;
577 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
578 ++hits;
579 }
580 if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
581 tests[hits].modulation = DEMOD_PSK1;
582 tests[hits].bitrate = bitRate;
583 tests[hits].inverted = TRUE;
584 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
585 ++hits;
586 }
587 // PSK2 - needs a call to psk1TOpsk2.
588 if ( PSKDemod("0 0 6", FALSE)) {
589 psk1TOpsk2(DemodBuffer, DemodBufferLen);
590 if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
591 tests[hits].modulation = DEMOD_PSK2;
592 tests[hits].bitrate = bitRate;
593 tests[hits].inverted = FALSE;
594 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
595 ++hits;
596 }
597 } // inverse waves does not affect this demod
598 // PSK3 - needs a call to psk1TOpsk2.
599 if ( PSKDemod("0 0 6", FALSE)) {
600 psk1TOpsk2(DemodBuffer, DemodBufferLen);
601 if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){
602 tests[hits].modulation = DEMOD_PSK3;
603 tests[hits].bitrate = bitRate;
604 tests[hits].inverted = FALSE;
605 tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);
606 ++hits;
607 }
608 } // inverse waves does not affect this demod
609 }
610 //undo trim samples
611 save_restoreGB(0);
612 }
613 if ( hits == 1) {
614 config.modulation = tests[0].modulation;
615 config.bitrate = tests[0].bitrate;
616 config.inverted = tests[0].inverted;
617 config.offset = tests[0].offset;
618 config.block0 = tests[0].block0;
619 config.Q5 = tests[0].Q5;
620 printConfiguration( config );
621 return TRUE;
622 }
623
624 if ( hits > 1) {
625 PrintAndLog("Found [%d] possible matches for modulation.",hits);
626 for(int i=0; i<hits; ++i){
627 PrintAndLog("--[%d]---------------", i+1);
628 printConfiguration( tests[i] );
629 }
630 }
631 return FALSE;
632 }
633
634 bool testModulation(uint8_t mode, uint8_t modread){
635 switch( mode ){
636 case DEMOD_FSK:
637 if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) return TRUE;
638 break;
639 case DEMOD_ASK:
640 if (modread == DEMOD_ASK) return TRUE;
641 break;
642 case DEMOD_PSK1:
643 if (modread == DEMOD_PSK1) return TRUE;
644 break;
645 case DEMOD_PSK2:
646 if (modread == DEMOD_PSK2) return TRUE;
647 break;
648 case DEMOD_PSK3:
649 if (modread == DEMOD_PSK3) return TRUE;
650 break;
651 case DEMOD_NRZ:
652 if (modread == DEMOD_NRZ) return TRUE;
653 break;
654 case DEMOD_BI:
655 if (modread == DEMOD_BI) return TRUE;
656 break;
657 case DEMOD_BIa:
658 if (modread == DEMOD_BIa) return TRUE;
659 break;
660 default:
661 return FALSE;
662 }
663 return FALSE;
664 }
665
666 bool testQ5Modulation(uint8_t mode, uint8_t modread){
667 switch( mode ){
668 case DEMOD_FSK:
669 if (modread >= 4 && modread <= 5) return TRUE;
670 break;
671 case DEMOD_ASK:
672 if (modread == 0) return TRUE;
673 break;
674 case DEMOD_PSK1:
675 if (modread == 1) return TRUE;
676 break;
677 case DEMOD_PSK2:
678 if (modread == 2) return TRUE;
679 break;
680 case DEMOD_PSK3:
681 if (modread == 3) return TRUE;
682 break;
683 case DEMOD_NRZ:
684 if (modread == 7) return TRUE;
685 break;
686 case DEMOD_BI:
687 if (modread == 6) return TRUE;
688 break;
689 default:
690 return FALSE;
691 }
692 return FALSE;
693 }
694
695 int convertQ5bitRate(uint8_t bitRateRead) {
696 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
697 for (int i=0; i<8; i++)
698 if (expected[i] == bitRateRead)
699 return i;
700
701 return -1;
702 }
703
704 bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){
705
706 if ( DemodBufferLen < 64 ) return FALSE;
707 uint8_t si = 0;
708 for (uint8_t idx = 28; idx < 64; idx++){
709 si = idx;
710 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
711
712 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
713 uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8;
714 // 2nibble must be zeroed.
715 if (safer != 0x6 && safer != 0x9) continue;
716 if ( resv > 0x00) continue;
717 //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1;
718 //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1;
719 si += 1+1;
720 int bitRate = PackBits(si, 6, DemodBuffer)*2 + 2; si += 6; //bit rate
721 if (bitRate > 128 || bitRate < 8) continue;
722
723 //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1;
724 //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1;
725 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr
726 //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1;
727 si += 1+1+2+1;
728 uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3;
729 uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3;
730 //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1;
731 if (maxBlk == 0) continue;
732 //test modulation
733 if (!testQ5Modulation(mode, modread)) continue;
734 if (bitRate != clk) continue;
735 *fndBitRate = convertQ5bitRate(bitRate);
736 if (*fndBitRate < 0) continue;
737 *offset = idx;
738
739 return TRUE;
740 }
741 return FALSE;
742 }
743
744 bool testBitRate(uint8_t readRate, uint8_t clk){
745 uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128};
746 if (expected[readRate] == clk)
747 return true;
748
749 return false;
750 }
751
752 bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5){
753
754 if ( DemodBufferLen < 64 ) return FALSE;
755 uint8_t si = 0;
756 for (uint8_t idx = 28; idx < 64; idx++){
757 si = idx;
758 if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue;
759
760 uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key
761 uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode
762 // 2nibble must be zeroed.
763 // moved test to here, since this gets most faults first.
764 if ( resv > 0x00) continue;
765
766 uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate
767 int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate
768 if (bitRate > 7) continue;
769 uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode
770 uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1;
771 //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr
772 uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode
773 uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;
774
775 //if extended mode
776 bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE;
777
778 if (!extMode){
779 if (nml01 || nml02 || xtRate) continue;
780 }
781 //test modulation
782 if (!testModulation(mode, modread)) continue;
783 if (!testBitRate(bitRate, clk)) continue;
784 *fndBitRate = bitRate;
785 *offset = idx;
786 *Q5 = FALSE;
787 return TRUE;
788 }
789 if (testQ5(mode, offset, fndBitRate, clk)) {
790 *Q5 = TRUE;
791 return TRUE;
792 }
793 return FALSE;
794 }
795
796 void printT55xxBlock(const char *blockNum){
797
798 uint8_t i = config.offset;
799 uint8_t endpos = 32 + i;
800 uint32_t blockData = 0;
801 uint8_t bits[64] = {0x00};
802
803 if ( !DemodBufferLen) return;
804
805 if ( endpos > DemodBufferLen){
806 PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);
807 return;
808 }
809
810 for (; i < endpos; ++i)
811 bits[i - config.offset] = DemodBuffer[i];
812
813 blockData = PackBits(0, 32, bits);
814
815 PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32));
816 }
817
818 int special(const char *Cmd) {
819 uint32_t blockData = 0;
820 uint8_t bits[32] = {0x00};
821
822 PrintAndLog("OFFSET | DATA | BINARY");
823 PrintAndLog("----------------------------------------------------");
824 int i,j = 0;
825 for (; j < 64; ++j){
826
827 for (i = 0; i < 32; ++i)
828 bits[i]=DemodBuffer[j+i];
829
830 blockData = PackBits(0, 32, bits);
831
832 PrintAndLog("%02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32));
833 }
834 return 0;
835 }
836
837 int printConfiguration( t55xx_conf_block_t b){
838 PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7");
839 PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );
840 PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );
841 PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );
842 PrintAndLog("Offset : %d", b.offset);
843 PrintAndLog("Block0 : 0x%08X", b.block0);
844 PrintAndLog("");
845 return 0;
846 }
847
848 int CmdT55xxWakeUp(const char *Cmd) {
849 uint32_t password = 0;
850 uint8_t cmdp = 0;
851 bool errors = false;
852 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
853 switch(param_getchar(Cmd, cmdp)) {
854 case 'h':
855 case 'H':
856 return usage_t55xx_wakup();
857 case 'p':
858 case 'P':
859 password = param_get32ex(Cmd, cmdp+1, 0, 16);
860 cmdp += 2;
861 errors = false;
862 break;
863 default:
864 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
865 errors = true;
866 break;
867 }
868 }
869 if (errors) return usage_t55xx_wakup();
870
871 UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}};
872 clearCommandBuffer();
873 SendCommand(&c);
874 PrintAndLog("Wake up command sent. Try read now");
875 return 0;
876 }
877
878 int CmdT55xxWriteBlock(const char *Cmd) {
879 uint8_t block = 0xFF; //default to invalid block
880 uint32_t data = 0; //default to blank Block
881 uint32_t password = 0; //default to blank Block 7
882 bool usepwd = false;
883 bool page1 = false;
884 bool gotdata = false;
885 bool errors = false;
886 uint8_t cmdp = 0;
887 while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
888 switch(param_getchar(Cmd, cmdp)) {
889 case 'h':
890 case 'H':
891 return usage_t55xx_write();
892 case 'b':
893 case 'B':
894 errors |= param_getdec(Cmd, cmdp+1, &block);
895 cmdp += 2;
896 break;
897 case 'd':
898 case 'D':
899 data = param_get32ex(Cmd, cmdp+1, 0, 16);
900 gotdata = true;
901 cmdp += 2;
902 break;
903 case 'p':
904 case 'P':
905 password = param_get32ex(Cmd, cmdp+1, 0, 16);
906 usepwd = true;
907 cmdp += 2;
908 break;
909 case '1':
910 page1 = true;
911 cmdp++;
912 break;
913 default:
914 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
915 errors = true;
916 break;
917 }
918 }
919 if (errors || !gotdata) return usage_t55xx_write();
920
921 if (block > 7) {
922 PrintAndLog("Block number must be between 0 and 7");
923 return 0;
924 }
925
926 UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
927 UsbCommand resp;
928 c.d.asBytes[0] = (page1) ? 0x2 : 0;
929
930 char pwdStr[16] = {0};
931 snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password);
932
933 PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" );
934
935 //Password mode
936 if (usepwd) {
937 c.arg[2] = password;
938 c.d.asBytes[0] |= 0x1;
939 }
940 clearCommandBuffer();
941 SendCommand(&c);
942 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
943 PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
944 return 0;
945 }
946 return 1;
947 }
948
949 int CmdT55xxReadTrace(const char *Cmd) {
950 char cmdp = param_getchar(Cmd, 0);
951 bool pwdmode = false;
952 uint32_t password = 0;
953 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace();
954
955 if (strlen(Cmd)==0)
956 if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) )
957 return 0;
958
959 if ( config.Q5 ){
960 if (!DecodeT5555TraceBlock()) return 0;
961 }
962 else {
963 if (!DecodeT55xxBlock()) return 0;
964 }
965
966 if ( !DemodBufferLen ) return 0;
967
968 RepaintGraphWindow();
969 uint8_t repeat = (config.offset > 5) ? 32 : 0;
970
971 uint8_t si = config.offset + repeat;
972 uint32_t bl1 = PackBits(si, 32, DemodBuffer);
973 uint32_t bl2 = PackBits(si+32, 32, DemodBuffer);
974
975 if (config.Q5) {
976 uint32_t hdr = PackBits(si, 9, DemodBuffer); si += 9;
977
978 if (hdr != 0x1FF) {
979 PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr);
980 return 0;
981 }
982
983 t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0};
984
985 data.icr = PackBits(si, 2, DemodBuffer); si += 2;
986 data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer); si += 3;
987
988 data.lotid = PackBits(si, 4, DemodBuffer); si += 5;
989 data.lotid <<= 4;
990 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
991 data.lotid <<= 4;
992 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
993 data.lotid <<= 4;
994 data.lotid |= PackBits(si, 4, DemodBuffer); si += 5;
995 data.lotid <<= 1;
996 data.lotid |= PackBits(si, 1, DemodBuffer); si += 1;
997
998 data.wafer = PackBits(si, 3, DemodBuffer); si += 4;
999 data.wafer <<= 2;
1000 data.wafer |= PackBits(si, 2, DemodBuffer); si += 2;
1001
1002 data.dw = PackBits(si, 2, DemodBuffer); si += 3;
1003 data.dw <<= 4;
1004 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1005 data.dw <<= 4;
1006 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1007 data.dw <<= 4;
1008 data.dw |= PackBits(si, 4, DemodBuffer); si += 5;
1009
1010 printT5555Trace(data, repeat);
1011
1012 } else {
1013
1014 t55xx_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .acl = 0, .mfc = 0, .cid = 0, .year = 0, .quarter = 0, .icr = 0, .lotid = 0, .wafer = 0, .dw = 0};
1015
1016 data.acl = PackBits(si, 8, DemodBuffer); si += 8;
1017 if ( data.acl != 0xE0 ) {
1018 PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");
1019 return 0;
1020 }
1021
1022 data.mfc = PackBits(si, 8, DemodBuffer); si += 8;
1023 data.cid = PackBits(si, 5, DemodBuffer); si += 5;
1024 data.icr = PackBits(si, 3, DemodBuffer); si += 3;
1025 data.year = PackBits(si, 4, DemodBuffer); si += 4;
1026 data.quarter = PackBits(si, 2, DemodBuffer); si += 2;
1027 data.lotid = PackBits(si, 14, DemodBuffer); si += 14;
1028 data.wafer = PackBits(si, 5, DemodBuffer); si += 5;
1029 data.dw = PackBits(si, 15, DemodBuffer);
1030
1031 time_t t = time(NULL);
1032 struct tm tm = *localtime(&t);
1033 if ( data.year > tm.tm_year-110)
1034 data.year += 2000;
1035 else
1036 data.year += 2010;
1037
1038
1039 printT55xxTrace(data, repeat);
1040 }
1041 return 0;
1042 }
1043
1044 void printT55xxTrace( t55xx_tracedata_t data, uint8_t repeat ){
1045 PrintAndLog("-- T55xx Trace Information ----------------------------------");
1046 PrintAndLog("-------------------------------------------------------------");
1047 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl);
1048 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getTagInfo(data.mfc));
1049 PrintAndLog(" CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid));
1050 PrintAndLog(" ICR IC Revision : %d", data.icr );
1051 PrintAndLog(" Manufactured");
1052 PrintAndLog(" Year/Quarter : %d/%d", data.year, data.quarter);
1053 PrintAndLog(" Lot ID : %d", data.lotid );
1054 PrintAndLog(" Wafer number : %d", data.wafer);
1055 PrintAndLog(" Die Number : %d", data.dw);
1056 PrintAndLog("-------------------------------------------------------------");
1057 PrintAndLog(" Raw Data - Page 1");
1058 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1059 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1060 PrintAndLog("-------------------------------------------------------------");
1061
1062 /*
1063 TRACE - BLOCK O
1064 Bits Definition HEX
1065 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0
1066 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation
1067 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2
1068 22-24 ICR IC revision
1069 25-28 YEAR (BCD encoded) 9 (= 2009)
1070 29-30 QUARTER 1,2,3,4
1071 31-32 LOT ID
1072
1073 TRACE - BLOCK 1
1074 1-12 LOT ID
1075 13-17 Wafer number
1076 18-32 DW, die number sequential
1077 */
1078 }
1079 void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){
1080 PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------");
1081 PrintAndLog("-------------------------------------------------------------");
1082 PrintAndLog(" ICR IC Revision : %d", data.icr );
1083 PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid);
1084 PrintAndLog(" Wafer number : %d", data.wafer);
1085 PrintAndLog(" Die Number : %d", data.dw);
1086 PrintAndLog("-------------------------------------------------------------");
1087 PrintAndLog(" Raw Data - Page 1");
1088 PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) );
1089 PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );
1090
1091 /*
1092 ** Q5 **
1093 TRACE - BLOCK O and BLOCK1
1094 Bits Definition HEX
1095 1-9 Header 0x1FF
1096 10-11 IC Revision
1097 12-13 Lot ID char
1098 15-35 Lot ID (NB parity)
1099 36-41 Wafer number (NB parity)
1100 42-58 DW, die number sequential (NB parity)
1101 60-63 Parity bits
1102 64 Always zero
1103 */
1104 }
1105
1106 int CmdT55xxInfo(const char *Cmd){
1107 /*
1108 Page 0 Block 0 Configuration data.
1109 Normal mode
1110 Extended mode
1111 */
1112 bool pwdmode = false;
1113 uint32_t password = 0;
1114 char cmdp = param_getchar(Cmd, 0);
1115
1116 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info();
1117
1118 if (strlen(Cmd)==0)
1119 if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) )
1120 return 1;
1121
1122 if (!DecodeT55xxBlock()) return 1;
1123
1124 // too little space to start with
1125 if ( DemodBufferLen < 32) return 1;
1126
1127 //
1128 PrintAndLog("Offset+32 ==%d\n DemodLen == %d", config.offset + 32,DemodBufferLen );
1129
1130 uint8_t si = config.offset;
1131 uint32_t bl0 = PackBits(si, 32, DemodBuffer);
1132 uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4;
1133 uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;
1134 uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;
1135 uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;
1136 uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;
1137 uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;
1138 uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1;
1139 uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1;
1140 uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;
1141 uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1;
1142 uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1;
1143 uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;
1144 uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1;
1145 uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;
1146
1147 if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected");
1148 PrintAndLog("");
1149 PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
1150 PrintAndLog("-------------------------------------------------------------");
1151 PrintAndLog(" Safer key : %s", GetSaferStr(safer));
1152 PrintAndLog(" reserved : %d", resv);
1153 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));
1154 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");
1155 PrintAndLog(" Modulation : %s", GetModulationStr(datamod));
1156 PrintAndLog(" PSK clock frequency : %d", pskcf);
1157 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");
1158 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );
1159 PrintAndLog(" Max block : %d", maxblk);
1160 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");
1161 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
1162 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");
1163 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");
1164 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");
1165 PrintAndLog("-------------------------------------------------------------");
1166 PrintAndLog(" Raw Data - Page 0");
1167 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );
1168 PrintAndLog("-------------------------------------------------------------");
1169
1170 return 0;
1171 }
1172
1173 int CmdT55xxDump(const char *Cmd){
1174
1175 uint32_t password = 0;
1176 bool override = false;
1177 char cmdp = param_getchar(Cmd, 0);
1178 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump();
1179
1180 bool usepwd = ( strlen(Cmd) > 0);
1181 if ( usepwd ){
1182 password = param_get32ex(Cmd, 0, 0, 16);
1183 if (param_getchar(Cmd, 1) =='o' )
1184 override = true;
1185 }
1186
1187 printT5xxHeader(0);
1188 for ( uint8_t i = 0; i < 8; ++i)
1189 T55xxReadBlock(i, 0, usepwd, override, password);
1190
1191 printT5xxHeader(1);
1192 for ( uint8_t i = 0; i < 4; i++)
1193 T55xxReadBlock(i, 1, usepwd, override, password);
1194
1195 return 1;
1196 }
1197
1198 int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){
1199 // arg0 bitmodes:
1200 // bit0 = pwdmode
1201 // bit1 = page to read from
1202 uint8_t arg0 = (page<<1) | pwdmode;
1203 UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}};
1204
1205 clearCommandBuffer();
1206 SendCommand(&c);
1207 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1208 PrintAndLog("command execution time out");
1209 return 0;
1210 }
1211
1212 uint8_t got[12000];
1213 GetFromBigBuf(got,sizeof(got),0);
1214 WaitForResponse(CMD_ACK,NULL);
1215 setGraphBuf(got, sizeof(got));
1216 return 1;
1217 }
1218
1219 char * GetBitRateStr(uint32_t id){
1220 static char buf[25];
1221
1222 char *retStr = buf;
1223 switch (id){
1224 case 0: snprintf(retStr,sizeof(buf),"%d - RF/8",id); break;
1225 case 1: snprintf(retStr,sizeof(buf),"%d - RF/16",id); break;
1226 case 2: snprintf(retStr,sizeof(buf),"%d - RF/32",id); break;
1227 case 3: snprintf(retStr,sizeof(buf),"%d - RF/40",id); break;
1228 case 4: snprintf(retStr,sizeof(buf),"%d - RF/50",id); break;
1229 case 5: snprintf(retStr,sizeof(buf),"%d - RF/64",id); break;
1230 case 6: snprintf(retStr,sizeof(buf),"%d - RF/100",id); break;
1231 case 7: snprintf(retStr,sizeof(buf),"%d - RF/128",id); break;
1232 default: snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); break;
1233 }
1234 return buf;
1235 }
1236
1237 char * GetSaferStr(uint32_t id){
1238 static char buf[40];
1239 char *retStr = buf;
1240
1241 snprintf(retStr,sizeof(buf),"%d",id);
1242 if (id == 6) {
1243 snprintf(retStr,sizeof(buf),"%d - passwd",id);
1244 }
1245 if (id == 9 ){
1246 snprintf(retStr,sizeof(buf),"%d - testmode",id);
1247 }
1248
1249 return buf;
1250 }
1251
1252 char * GetModulationStr( uint32_t id){
1253 static char buf[60];
1254 char *retStr = buf;
1255
1256 switch (id){
1257 case 0: snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); break;
1258 case 1: snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); break;
1259 case 2: snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); break;
1260 case 3: snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); break;
1261 case 4: snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); break;
1262 case 5: snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); break;
1263 case 6: snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); break;
1264 case 7: snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); break;
1265 case 8: snprintf(retStr,sizeof(buf),"%d - Manchester",id); break;
1266 case 16: snprintf(retStr,sizeof(buf),"%d - Biphase",id); break;
1267 case 0x18:snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); break;
1268 case 17: snprintf(retStr,sizeof(buf),"%d - Reserved",id); break;
1269 default: snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); break;
1270 }
1271 return buf;
1272 }
1273
1274 char * GetModelStrFromCID(uint32_t cid){
1275
1276 static char buf[10];
1277 char *retStr = buf;
1278
1279 if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");
1280 if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2");
1281 return buf;
1282 }
1283
1284 char * GetSelectedModulationStr( uint8_t id){
1285
1286 static char buf[20];
1287 char *retStr = buf;
1288
1289 switch (id){
1290 case DEMOD_FSK: snprintf(retStr,sizeof(buf),"FSK"); break;
1291 case DEMOD_FSK1: snprintf(retStr,sizeof(buf),"FSK1"); break;
1292 case DEMOD_FSK1a: snprintf(retStr,sizeof(buf),"FSK1a"); break;
1293 case DEMOD_FSK2: snprintf(retStr,sizeof(buf),"FSK2"); break;
1294 case DEMOD_FSK2a: snprintf(retStr,sizeof(buf),"FSK2a"); break;
1295 case DEMOD_ASK: snprintf(retStr,sizeof(buf),"ASK"); break;
1296 case DEMOD_NRZ: snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); break;
1297 case DEMOD_PSK1: snprintf(retStr,sizeof(buf),"PSK1"); break;
1298 case DEMOD_PSK2: snprintf(retStr,sizeof(buf),"PSK2"); break;
1299 case DEMOD_PSK3: snprintf(retStr,sizeof(buf),"PSK3"); break;
1300 case DEMOD_BI: snprintf(retStr,sizeof(buf),"BIPHASE"); break;
1301 case DEMOD_BIa: snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); break;
1302 default: snprintf(retStr,sizeof(buf),"(Unknown)"); break;
1303 }
1304 return buf;
1305 }
1306
1307 void t55x7_create_config_block( int tagtype ){
1308
1309 /*
1310 T55X7_DEFAULT_CONFIG_BLOCK, T55X7_RAW_CONFIG_BLOCK
1311 T55X7_EM_UNIQUE_CONFIG_BLOCK, T55X7_FDXB_CONFIG_BLOCK,
1312 T55X7_FDXB_CONFIG_BLOCK, T55X7_HID_26_CONFIG_BLOCK, T55X7_INDALA_64_CONFIG_BLOCK, T55X7_INDALA_224_CONFIG_BLOCK
1313 T55X7_GUARDPROXII_CONFIG_BLOCK, T55X7_VIKING_CONFIG_BLOCK, T55X7_NORALYS_CONFIG_BLOCK, T55X7_IOPROX_CONFIG_BLOCK
1314 */
1315 static char buf[60];
1316 char *retStr = buf;
1317
1318 switch (tagtype){
1319 case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break;
1320 case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break;
1321 case 2: snprintf(retStr, sizeof(buf),"%08X - T5555 Q5 Default", T5555_DEFAULT_CONFIG_BLOCK); break;
1322 default:
1323 break;
1324 }
1325 PrintAndLog(buf);
1326 }
1327
1328 int CmdResetRead(const char *Cmd) {
1329 UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}};
1330
1331 clearCommandBuffer();
1332 SendCommand(&c);
1333 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
1334 PrintAndLog("command execution time out");
1335 return 0;
1336 }
1337
1338 uint8_t got[BIGBUF_SIZE-1];
1339 GetFromBigBuf(got,sizeof(got),0);
1340 WaitForResponse(CMD_ACK,NULL);
1341 setGraphBuf(got, sizeof(got));
1342 return 1;
1343 }
1344 // ADD T5555 (Q5) Default config block
1345 int CmdT55xxWipe(const char *Cmd) {
1346 char writeData[20] = {0};
1347 char *ptrData = writeData;
1348 char cmdp = param_getchar(Cmd, 0);
1349 if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe();
1350
1351 bool Q5 = (cmdp == 'q' || cmdp == 'Q');
1352
1353 // Try with the default password to reset block 0
1354 // With a pwd should work even if pwd bit not set
1355 PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n");
1356
1357 if ( Q5 ){
1358 snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0");
1359 } else {
1360 snprintf(ptrData,sizeof(writeData),"b 0 d 000880E0 p 0");
1361 }
1362
1363 if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk 0");
1364
1365 for (uint8_t blk = 1; blk<8; blk++) {
1366
1367 snprintf(ptrData,sizeof(writeData),"b %d d 0", blk);
1368
1369 if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk %d", blk);
1370
1371 memset(writeData,0x00, sizeof(writeData));
1372 }
1373 return 0;
1374 }
1375
1376 int CmdT55xxBruteForce(const char *Cmd) {
1377
1378 // load a default pwd file.
1379 char buf[9];
1380 char filename[FILE_PATH_SIZE]={0};
1381 int keycnt = 0;
1382 uint8_t stKeyBlock = 20;
1383 uint8_t *keyBlock = NULL, *p;
1384 keyBlock = calloc(stKeyBlock, 6);
1385 if (keyBlock == NULL) return 1;
1386
1387 uint32_t start_password = 0x00000000; //start password
1388 uint32_t end_password = 0xFFFFFFFF; //end password
1389 bool found = false;
1390
1391 char cmdp = param_getchar(Cmd, 0);
1392 if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce();
1393
1394 if (cmdp == 'i' || cmdp == 'I') {
1395
1396 int len = strlen(Cmd+2);
1397 if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
1398 memcpy(filename, Cmd+2, len);
1399
1400 FILE * f = fopen( filename , "r");
1401
1402 if ( !f ) {
1403 PrintAndLog("File: %s: not found or locked.", filename);
1404 free(keyBlock);
1405 return 1;
1406 }
1407
1408 while( fgets(buf, sizeof(buf), f) ){
1409 if (strlen(buf) < 8 || buf[7] == '\n') continue;
1410
1411 while (fgetc(f) != '\n' && !feof(f)) ; //goto next line
1412
1413 //The line start with # is comment, skip
1414 if( buf[0]=='#' ) continue;
1415
1416 if (!isxdigit(buf[0])){
1417 PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf);
1418 continue;
1419 }
1420
1421 buf[8] = 0;
1422
1423 if ( stKeyBlock - keycnt < 2) {
1424 p = realloc(keyBlock, 6*(stKeyBlock+=10));
1425 if (!p) {
1426 PrintAndLog("Cannot allocate memory for defaultKeys");
1427 free(keyBlock);
1428 return 2;
1429 }
1430 keyBlock = p;
1431 }
1432 memset(keyBlock + 4 * keycnt, 0, 4);
1433 num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt);
1434 PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4));
1435 keycnt++;
1436 memset(buf, 0, sizeof(buf));
1437 }
1438 fclose(f);
1439
1440 if (keycnt == 0) {
1441 PrintAndLog("No keys found in file");
1442 return 1;
1443 }
1444 PrintAndLog("Loaded %d keys", keycnt);
1445
1446 // loop
1447 uint64_t testpwd = 0x00;
1448 for (uint16_t c = 0; c < keycnt; ++c ) {
1449
1450 if (ukbhit()) {
1451 getchar();
1452 printf("\naborted via keyboard!\n");
1453 return 0;
1454 }
1455
1456 testpwd = bytes_to_num(keyBlock + 4*c, 4);
1457
1458 PrintAndLog("Testing %08X", testpwd);
1459
1460
1461 if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {
1462 PrintAndLog("Aquireing data from device failed. Quitting");
1463 return 0;
1464 }
1465
1466 found = tryDetectModulation();
1467
1468 if ( found ) {
1469 PrintAndLog("Found valid password: [%08X]", testpwd);
1470 return 0;
1471 }
1472 }
1473 PrintAndLog("Password NOT found.");
1474 return 0;
1475 }
1476
1477 // Try to read Block 7, first :)
1478
1479 // incremental pwd range search
1480 start_password = param_get32ex(Cmd, 0, 0, 16);
1481 end_password = param_get32ex(Cmd, 1, 0, 16);
1482
1483 if ( start_password >= end_password ) return usage_t55xx_bruteforce();
1484
1485 PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);
1486
1487 uint32_t i = start_password;
1488
1489 while ((!found) && (i <= end_password)){
1490
1491 printf(".");
1492 fflush(stdout);
1493 if (ukbhit()) {
1494 getchar();
1495 printf("\naborted via keyboard!\n");
1496 return 0;
1497 }
1498
1499 if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {
1500 PrintAndLog("Aquireing data from device failed. Quitting");
1501 return 0;
1502 }
1503 found = tryDetectModulation();
1504
1505 if (found) break;
1506 i++;
1507 }
1508
1509 PrintAndLog("");
1510
1511 if (found)
1512 PrintAndLog("Found valid password: [%08x]", i);
1513 else
1514 PrintAndLog("Password NOT found. Last tried: [%08x]", --i);
1515 return 0;
1516 }
1517
1518 static command_t CommandTable[] = {
1519 {"help", CmdHelp, 1, "This help"},
1520 {"bruteforce",CmdT55xxBruteForce,0, "<start password> <end password> [i <*.dic>] Simple bruteforce attack to find password"},
1521 {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},
1522 {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."},
1523 {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"},
1524 {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"},
1525 {"read", CmdT55xxReadBlock, 0, "b <block> p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"},
1526 {"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)"},
1527 {"special", special, 0, "Show block changes with 64 different offsets"},
1528 {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"},
1529 {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"},
1530 {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"},
1531 {"write", CmdT55xxWriteBlock,0, "b <block> d <data> p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"},
1532 {NULL, NULL, 0, NULL}
1533 };
1534
1535 int CmdLFT55XX(const char *Cmd) {
1536 CmdsParse(CommandTable, Cmd);
1537 return 0;
1538 }
1539
1540 int CmdHelp(const char *Cmd) {
1541 CmdsHelp(CommandTable);
1542 return 0;
1543 }
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