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1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // Low frequency commands
9 //-----------------------------------------------------------------------------
10
11 #include <stdio.h>
12 #include <stdlib.h>
13 #include <string.h>
14 #include <limits.h>
15 #include "proxmark3.h"
16 #include "data.h"
17 #include "graph.h"
18 #include "ui.h"
19 #include "cmdparser.h"
20 #include "cmdmain.h"
21 #include "cmddata.h"
22 #include "util.h"
23 #include "cmdlf.h"
24 #include "cmdlfhid.h"
25 #include "cmdlfti.h"
26 #include "cmdlfem4x.h"
27 #include "cmdlfhitag.h"
28 #include "cmdlft55xx.h"
29 #include "cmdlfpcf7931.h"
30 #include "cmdlfio.h"
31
32 static int CmdHelp(const char *Cmd);
33
34 /* send a command before reading */
35 int CmdLFCommandRead(const char *Cmd)
36 {
37 static char dummy[3];
38
39 dummy[0]= ' ';
40
41 UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
42 sscanf(Cmd, "%"lli" %"lli" %"lli" %s %s", &c.arg[0], &c.arg[1], &c.arg[2],(char*)(&c.d.asBytes),(char*)(&dummy+1));
43 // in case they specified 'h'
44 strcpy((char *)&c.d.asBytes + strlen((char *)c.d.asBytes), dummy);
45 SendCommand(&c);
46 return 0;
47 }
48
49 int CmdFlexdemod(const char *Cmd)
50 {
51 int i;
52 for (i = 0; i < GraphTraceLen; ++i) {
53 if (GraphBuffer[i] < 0) {
54 GraphBuffer[i] = -1;
55 } else {
56 GraphBuffer[i] = 1;
57 }
58 }
59
60 #define LONG_WAIT 100
61 int start;
62 for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
63 int first = GraphBuffer[start];
64 for (i = start; i < start + LONG_WAIT; i++) {
65 if (GraphBuffer[i] != first) {
66 break;
67 }
68 }
69 if (i == (start + LONG_WAIT)) {
70 break;
71 }
72 }
73 if (start == GraphTraceLen - LONG_WAIT) {
74 PrintAndLog("nothing to wait for");
75 return 0;
76 }
77
78 GraphBuffer[start] = 2;
79 GraphBuffer[start+1] = -2;
80 uint8_t bits[64] = {0x00};
81
82 int bit, sum;
83 i = start;
84 for (bit = 0; bit < 64; bit++) {
85 sum = 0;
86 for (int j = 0; j < 16; j++) {
87 sum += GraphBuffer[i++];
88 }
89
90 bits[bit] = (sum > 0) ? 1 : 0;
91
92 PrintAndLog("bit %d sum %d", bit, sum);
93 }
94
95 for (bit = 0; bit < 64; bit++) {
96 int j;
97 int sum = 0;
98 for (j = 0; j < 16; j++) {
99 sum += GraphBuffer[i++];
100 }
101 if (sum > 0 && bits[bit] != 1) {
102 PrintAndLog("oops1 at %d", bit);
103 }
104 if (sum < 0 && bits[bit] != 0) {
105 PrintAndLog("oops2 at %d", bit);
106 }
107 }
108
109 // HACK writing back to graphbuffer.
110 GraphTraceLen = 32*64;
111 i = 0;
112 int phase = 0;
113 for (bit = 0; bit < 64; bit++) {
114
115 phase = (bits[bit] == 0) ? 0 : 1;
116
117 int j;
118 for (j = 0; j < 32; j++) {
119 GraphBuffer[i++] = phase;
120 phase = !phase;
121 }
122 }
123
124 RepaintGraphWindow();
125 return 0;
126 }
127
128 int CmdIndalaDemod(const char *Cmd)
129 {
130 // Usage: recover 64bit UID by default, specify "224" as arg to recover a 224bit UID
131
132 int state = -1;
133 int count = 0;
134 int i, j;
135
136 // worst case with GraphTraceLen=64000 is < 4096
137 // under normal conditions it's < 2048
138
139 uint8_t rawbits[4096];
140 int rawbit = 0;
141 int worst = 0, worstPos = 0;
142 // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
143 for (i = 0; i < GraphTraceLen-1; i += 2) {
144 count += 1;
145 if ((GraphBuffer[i] > GraphBuffer[i + 1]) && (state != 1)) {
146 if (state == 0) {
147 for (j = 0; j < count - 8; j += 16) {
148 rawbits[rawbit++] = 0;
149 }
150 if ((abs(count - j)) > worst) {
151 worst = abs(count - j);
152 worstPos = i;
153 }
154 }
155 state = 1;
156 count = 0;
157 } else if ((GraphBuffer[i] < GraphBuffer[i + 1]) && (state != 0)) {
158 if (state == 1) {
159 for (j = 0; j < count - 8; j += 16) {
160 rawbits[rawbit++] = 1;
161 }
162 if ((abs(count - j)) > worst) {
163 worst = abs(count - j);
164 worstPos = i;
165 }
166 }
167 state = 0;
168 count = 0;
169 }
170 }
171
172 if (rawbit>0){
173 PrintAndLog("Recovered %d raw bits, expected: %d", rawbit, GraphTraceLen/32);
174 PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos);
175 } else {
176 return 0;
177 }
178
179 // Finding the start of a UID
180 int uidlen, long_wait;
181 if (strcmp(Cmd, "224") == 0) {
182 uidlen = 224;
183 long_wait = 30;
184 } else {
185 uidlen = 64;
186 long_wait = 29;
187 }
188
189 int start;
190 int first = 0;
191 for (start = 0; start <= rawbit - uidlen; start++) {
192 first = rawbits[start];
193 for (i = start; i < start + long_wait; i++) {
194 if (rawbits[i] != first) {
195 break;
196 }
197 }
198 if (i == (start + long_wait)) {
199 break;
200 }
201 }
202
203 if (start == rawbit - uidlen + 1) {
204 PrintAndLog("nothing to wait for");
205 return 0;
206 }
207
208 // Inverting signal if needed
209 if (first == 1) {
210 for (i = start; i < rawbit; i++) {
211 rawbits[i] = !rawbits[i];
212 }
213 }
214
215 // Dumping UID
216 uint8_t bits[224] = {0x00};
217 char showbits[225] = {0x00};
218 int bit;
219 i = start;
220 int times = 0;
221
222 if (uidlen > rawbit) {
223 PrintAndLog("Warning: not enough raw bits to get a full UID");
224 for (bit = 0; bit < rawbit; bit++) {
225 bits[bit] = rawbits[i++];
226 // As we cannot know the parity, let's use "." and "/"
227 showbits[bit] = '.' + bits[bit];
228 }
229 showbits[bit+1]='\0';
230 PrintAndLog("Partial UID=%s", showbits);
231 return 0;
232 } else {
233 for (bit = 0; bit < uidlen; bit++) {
234 bits[bit] = rawbits[i++];
235 showbits[bit] = '0' + bits[bit];
236 }
237 times = 1;
238 }
239
240 //convert UID to HEX
241 uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
242 int idx;
243 uid1 = uid2 = 0;
244
245 if (uidlen==64){
246 for( idx=0; idx<64; idx++) {
247 if (showbits[idx] == '0') {
248 uid1=(uid1<<1)|(uid2>>31);
249 uid2=(uid2<<1)|0;
250 } else {
251 uid1=(uid1<<1)|(uid2>>31);
252 uid2=(uid2<<1)|1;
253 }
254 }
255 PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2);
256 }
257 else {
258 uid3 = uid4 = uid5 = uid6 = uid7 = 0;
259
260 for( idx=0; idx<224; idx++) {
261 uid1=(uid1<<1)|(uid2>>31);
262 uid2=(uid2<<1)|(uid3>>31);
263 uid3=(uid3<<1)|(uid4>>31);
264 uid4=(uid4<<1)|(uid5>>31);
265 uid5=(uid5<<1)|(uid6>>31);
266 uid6=(uid6<<1)|(uid7>>31);
267
268 if (showbits[idx] == '0')
269 uid7 = (uid7<<1) | 0;
270 else
271 uid7 = (uid7<<1) | 1;
272 }
273 PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
274 }
275
276 // Checking UID against next occurrences
277 int failed = 0;
278 for (; i + uidlen <= rawbit;) {
279 failed = 0;
280 for (bit = 0; bit < uidlen; bit++) {
281 if (bits[bit] != rawbits[i++]) {
282 failed = 1;
283 break;
284 }
285 }
286 if (failed == 1) {
287 break;
288 }
289 times += 1;
290 }
291
292 PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);
293
294 // Remodulating for tag cloning
295 // HACK: 2015-01-04 this will have an impact on our new way of seening lf commands (demod)
296 // since this changes graphbuffer data.
297 GraphTraceLen = 32*uidlen;
298 i = 0;
299 int phase = 0;
300 for (bit = 0; bit < uidlen; bit++) {
301 if (bits[bit] == 0) {
302 phase = 0;
303 } else {
304 phase = 1;
305 }
306 int j;
307 for (j = 0; j < 32; j++) {
308 GraphBuffer[i++] = phase;
309 phase = !phase;
310 }
311 }
312
313 RepaintGraphWindow();
314 return 1;
315 }
316
317 int CmdIndalaClone(const char *Cmd)
318 {
319 UsbCommand c;
320 unsigned int uid1, uid2, uid3, uid4, uid5, uid6, uid7;
321
322 uid1 = uid2 = uid3 = uid4 = uid5 = uid6 = uid7 = 0;
323 int n = 0, i = 0;
324
325 if (strchr(Cmd,'l') != 0) {
326 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
327 uid1 = (uid1 << 4) | (uid2 >> 28);
328 uid2 = (uid2 << 4) | (uid3 >> 28);
329 uid3 = (uid3 << 4) | (uid4 >> 28);
330 uid4 = (uid4 << 4) | (uid5 >> 28);
331 uid5 = (uid5 << 4) | (uid6 >> 28);
332 uid6 = (uid6 << 4) | (uid7 >> 28);
333 uid7 = (uid7 << 4) | (n & 0xf);
334 }
335 PrintAndLog("Cloning 224bit tag with UID %x%08x%08x%08x%08x%08x%08x", uid1, uid2, uid3, uid4, uid5, uid6, uid7);
336 c.cmd = CMD_INDALA_CLONE_TAG_L;
337 c.d.asDwords[0] = uid1;
338 c.d.asDwords[1] = uid2;
339 c.d.asDwords[2] = uid3;
340 c.d.asDwords[3] = uid4;
341 c.d.asDwords[4] = uid5;
342 c.d.asDwords[5] = uid6;
343 c.d.asDwords[6] = uid7;
344 } else {
345 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
346 uid1 = (uid1 << 4) | (uid2 >> 28);
347 uid2 = (uid2 << 4) | (n & 0xf);
348 }
349 PrintAndLog("Cloning 64bit tag with UID %x%08x", uid1, uid2);
350 c.cmd = CMD_INDALA_CLONE_TAG;
351 c.arg[0] = uid1;
352 c.arg[1] = uid2;
353 }
354
355 SendCommand(&c);
356 return 0;
357 }
358
359 int usage_lf_read()
360 {
361 PrintAndLog("Usage: lf read");
362 PrintAndLog("Options: ");
363 PrintAndLog(" h This help");
364 PrintAndLog("This function takes no arguments. ");
365 PrintAndLog("Use 'lf config' to set parameters.");
366 return 0;
367 }
368 int usage_lf_snoop()
369 {
370 PrintAndLog("Usage: lf snoop");
371 PrintAndLog("Options: ");
372 PrintAndLog(" h This help");
373 PrintAndLog("This function takes no arguments. ");
374 PrintAndLog("Use 'lf config' to set parameters.");
375 return 0;
376 }
377
378 int usage_lf_config()
379 {
380 PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
381 PrintAndLog("Options: ");
382 PrintAndLog(" h This help");
383 PrintAndLog(" L Low frequency (125 KHz)");
384 PrintAndLog(" H High frequency (134 KHz)");
385 PrintAndLog(" q <divisor> Manually set divisor. 88-> 134KHz, 95-> 125 Hz");
386 PrintAndLog(" b <bps> Sets resolution of bits per sample. Default (max): 8");
387 PrintAndLog(" d <decim> Sets decimation. A value of N saves only 1 in N samples. Default: 1");
388 PrintAndLog(" a [0|1] Averaging - if set, will average the stored sample value when decimating. Default: 1");
389 PrintAndLog(" t <threshold> Sets trigger threshold. 0 means no threshold");
390 PrintAndLog("Examples:");
391 PrintAndLog(" lf config b 8 L");
392 PrintAndLog(" Samples at 125KHz, 8bps.");
393 PrintAndLog(" lf config H b 4 d 3");
394 PrintAndLog(" Samples at 134KHz, averages three samples into one, stored with ");
395 PrintAndLog(" a resolution of 4 bits per sample.");
396 PrintAndLog(" lf read");
397 PrintAndLog(" Performs a read (active field)");
398 PrintAndLog(" lf snoop");
399 PrintAndLog(" Performs a snoop (no active field)");
400 return 0;
401 }
402
403 int CmdLFSetConfig(const char *Cmd)
404 {
405
406 uint8_t divisor = 0;//Frequency divisor
407 uint8_t bps = 0; // Bits per sample
408 uint8_t decimation = 0; //How many to keep
409 bool averaging = 1; // Defaults to true
410 bool errors = FALSE;
411 int trigger_threshold =-1;//Means no change
412 uint8_t unsigned_trigg = 0;
413
414 uint8_t cmdp =0;
415 while(param_getchar(Cmd, cmdp) != 0x00)
416 {
417 switch(param_getchar(Cmd, cmdp))
418 {
419 case 'h':
420 return usage_lf_config();
421 case 'H':
422 divisor = 88;
423 cmdp++;
424 break;
425 case 'L':
426 divisor = 95;
427 cmdp++;
428 break;
429 case 'q':
430 errors |= param_getdec(Cmd,cmdp+1,&divisor);
431 cmdp+=2;
432 break;
433 case 't':
434 errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
435 cmdp+=2;
436 if(!errors) trigger_threshold = unsigned_trigg;
437 break;
438 case 'b':
439 errors |= param_getdec(Cmd,cmdp+1,&bps);
440 cmdp+=2;
441 break;
442 case 'd':
443 errors |= param_getdec(Cmd,cmdp+1,&decimation);
444 cmdp+=2;
445 break;
446 case 'a':
447 averaging = param_getchar(Cmd,cmdp+1) == '1';
448 cmdp+=2;
449 break;
450 default:
451 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
452 errors = 1;
453 break;
454 }
455 if(errors) break;
456 }
457 if(cmdp == 0)
458 {
459 errors = 1;// No args
460 }
461
462 //Validations
463 if(errors)
464 {
465 return usage_lf_config();
466 }
467 //Bps is limited to 8, so fits in lower half of arg1
468 if(bps >> 8) bps = 8;
469
470 sample_config config = {
471 decimation,bps,averaging,divisor,trigger_threshold
472 };
473 //Averaging is a flag on high-bit of arg[1]
474 UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG};
475 memcpy(c.d.asBytes,&config,sizeof(sample_config));
476 SendCommand(&c);
477 return 0;
478 }
479
480 int CmdLFRead(const char *Cmd)
481 {
482
483 uint8_t cmdp =0;
484 if(param_getchar(Cmd, cmdp) == 'h')
485 {
486 return usage_lf_read();
487 }
488 //And ship it to device
489 UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K};
490 SendCommand(&c);
491 WaitForResponse(CMD_ACK,NULL);
492 return 0;
493 }
494
495 int CmdLFSnoop(const char *Cmd)
496 {
497 uint8_t cmdp =0;
498 if(param_getchar(Cmd, cmdp) == 'h')
499 {
500 return usage_lf_snoop();
501 }
502
503 UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
504 SendCommand(&c);
505 WaitForResponse(CMD_ACK,NULL);
506 return 0;
507 }
508
509 static void ChkBitstream(const char *str)
510 {
511 int i;
512
513 /* convert to bitstream if necessary */
514 for (i = 0; i < (int)(GraphTraceLen / 2); i++){
515 if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {
516 CmdBitstream(str);
517 break;
518 }
519 }
520 }
521 //appears to attempt to simulate manchester
522 int CmdLFSim(const char *Cmd)
523 {
524 int i,j;
525 static int gap;
526
527 sscanf(Cmd, "%i", &gap);
528
529 /* convert to bitstream if necessary */
530 ChkBitstream(Cmd);
531
532 printf("Sending [%d bytes]", GraphTraceLen);
533 for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
534 UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
535
536 for (j = 0; j < USB_CMD_DATA_SIZE; j++) {
537 c.d.asBytes[j] = GraphBuffer[i+j];
538 }
539 SendCommand(&c);
540 WaitForResponse(CMD_ACK,NULL);
541 printf(".");
542 }
543
544 printf("\n");
545 PrintAndLog("Starting to simulate");
546 UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
547 SendCommand(&c);
548 return 0;
549 }
550
551 int CmdLFSimBidir(const char *Cmd)
552 {
553 // Set ADC to twice the carrier for a slight supersampling
554 // HACK: not implemented in ARMSRC.
555 PrintAndLog("Not implemented yet.");
556 UsbCommand c = {CMD_LF_SIMULATE_BIDIR, {47, 384, 0}};
557 SendCommand(&c);
558 return 0;
559 }
560
561 /* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
562 int CmdLFSimManchester(const char *Cmd)
563 {
564 static int clock, gap;
565 static char data[1024], gapstring[8];
566
567 sscanf(Cmd, "%i %s %i", &clock, &data[0], &gap);
568
569 ClearGraph(0);
570
571 for (int i = 0; i < strlen(data) ; ++i)
572 AppendGraph(0, clock, data[i]- '0');
573
574 CmdManchesterMod("");
575
576 RepaintGraphWindow();
577
578 sprintf(&gapstring[0], "%i", gap);
579 CmdLFSim(gapstring);
580 return 0;
581 }
582
583
584 int CmdVchDemod(const char *Cmd)
585 {
586 // Is this the entire sync pattern, or does this also include some
587 // data bits that happen to be the same everywhere? That would be
588 // lovely to know.
589 static const int SyncPattern[] = {
590 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
591 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
592 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
593 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
594 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
595 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
596 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
597 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
598 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
599 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
600 };
601
602 // So first, we correlate for the sync pattern, and mark that.
603 int bestCorrel = 0, bestPos = 0;
604 int i;
605 // It does us no good to find the sync pattern, with fewer than
606 // 2048 samples after it...
607 for (i = 0; i < (GraphTraceLen-2048); i++) {
608 int sum = 0;
609 int j;
610 for (j = 0; j < arraylen(SyncPattern); j++) {
611 sum += GraphBuffer[i+j]*SyncPattern[j];
612 }
613 if (sum > bestCorrel) {
614 bestCorrel = sum;
615 bestPos = i;
616 }
617 }
618 PrintAndLog("best sync at %d [metric %d]", bestPos, bestCorrel);
619
620 char bits[257];
621 bits[256] = '\0';
622
623 int worst = INT_MAX;
624 int worstPos = 0;
625
626 for (i = 0; i < 2048; i += 8) {
627 int sum = 0;
628 int j;
629 for (j = 0; j < 8; j++) {
630 sum += GraphBuffer[bestPos+i+j];
631 }
632 if (sum < 0) {
633 bits[i/8] = '.';
634 } else {
635 bits[i/8] = '1';
636 }
637 if(abs(sum) < worst) {
638 worst = abs(sum);
639 worstPos = i;
640 }
641 }
642 PrintAndLog("bits:");
643 PrintAndLog("%s", bits);
644 PrintAndLog("worst metric: %d at pos %d", worst, worstPos);
645
646 if (strcmp(Cmd, "clone")==0) {
647 GraphTraceLen = 0;
648 char *s;
649 for(s = bits; *s; s++) {
650 int j;
651 for(j = 0; j < 16; j++) {
652 GraphBuffer[GraphTraceLen++] = (*s == '1') ? 1 : 0;
653 }
654 }
655 RepaintGraphWindow();
656 }
657 return 0;
658 }
659
660 //by marshmellow
661 int CmdLFfind(const char *Cmd)
662 {
663 int ans=0;
664 char cmdp = param_getchar(Cmd, 0);
665 char testRaw = param_getchar(Cmd, 1);
666 if (strlen(Cmd) > 2 || cmdp == 'h' || cmdp == 'H') {
667 PrintAndLog("Usage: lf search <0|1> [u]");
668 PrintAndLog(" <use data from Graphbuffer> , if not set, try reading data from tag.");
669 PrintAndLog(" [Search for Unknown tags] , if not set, reads only known tags.");
670 PrintAndLog("");
671 PrintAndLog(" sample: lf search = try reading data from tag & search for known tags");
672 PrintAndLog(" : lf search 1 = use data from GraphBuffer & search for known tags");
673 PrintAndLog(" : lf search u = try reading data from tag & search for known and unknown tags");
674 PrintAndLog(" : lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
675
676 return 0;
677 }
678
679 if (!offline && (cmdp != '1')){
680 ans=CmdLFRead("");
681 ans=CmdSamples("20000");
682 } else if (GraphTraceLen < 1000) {
683 PrintAndLog("Data in Graphbuffer was too small.");
684 return 0;
685 }
686 if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
687 PrintAndLog("NOTE: some demods output possible binary\n if it finds something that looks like a tag");
688 PrintAndLog("False Positives ARE possible\n");
689 PrintAndLog("\nChecking for known tags:\n");
690 ans=CmdFSKdemodIO("");
691 if (ans>0) {
692 PrintAndLog("\nValid IO Prox ID Found!");
693 return 1;
694 }
695 ans=CmdFSKdemodPyramid("");
696 if (ans>0) {
697 PrintAndLog("\nValid Pyramid ID Found!");
698 return 1;
699 }
700 ans=CmdFSKdemodParadox("");
701 if (ans>0) {
702 PrintAndLog("\nValid Paradox ID Found!");
703 return 1;
704 }
705 ans=CmdFSKdemodAWID("");
706 if (ans>0) {
707 PrintAndLog("\nValid AWID ID Found!");
708 return 1;
709 }
710 ans=CmdFSKdemodHID("");
711 if (ans>0) {
712 PrintAndLog("\nValid HID Prox ID Found!");
713 return 1;
714 }
715 //add psk and indala
716 ans=CmdIndalaDecode("");
717 if (ans>0) {
718 PrintAndLog("\nValid Indala ID Found!");
719 return 1;
720 }
721 ans=CmdAskEM410xDemod("");
722 if (ans>0) {
723 PrintAndLog("\nValid EM410x ID Found!");
724 return 1;
725 }
726 PrintAndLog("\nNo Known Tags Found!\n");
727 if (testRaw=='u' || testRaw=='U'){
728 //test unknown tag formats (raw mode)
729 PrintAndLog("\nChecking for Unknown tags:\n");
730 ans=CmdDetectClockRate("f");
731 if (ans != 0){ //fsk
732 ans=CmdFSKrawdemod("");
733 if (ans>0) {
734 PrintAndLog("\nUnknown FSK Modulated Tag Found!");
735 return 1;
736 }
737 }
738 ans=Cmdaskmandemod("");
739 if (ans>0) {
740 PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
741 return 1;
742 }
743 ans=CmdPSK1rawDemod("");
744 if (ans>0) {
745 PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data psk2rawdemod'");
746 PrintAndLog("\nCould also be PSK3 - [currently not supported]");
747 PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod");
748 return 1;
749 }
750 PrintAndLog("\nNo Data Found!\n");
751 }
752 return 0;
753 }
754
755 static command_t CommandTable[] =
756 {
757 {"help", CmdHelp, 1, "This help"},
758 {"cmdread", CmdLFCommandRead, 0, "<off period> <'0' period> <'1' period> <command> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"},
759 {"em4x", CmdLFEM4X, 1, "{ EM4X RFIDs... }"},
760 {"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"},
761 {"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"},
762 {"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
763 {"io", CmdLFIO, 1, "{ ioProx tags... }"},
764 {"indalademod", CmdIndalaDemod, 1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
765 {"indalaclone", CmdIndalaClone, 0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
766 {"read", CmdLFRead, 0, "Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
767 {"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"},
768 {"sim", CmdLFSim, 0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
769 {"simbidir", CmdLFSimBidir, 0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
770 {"simman", CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
771 {"snoop", CmdLFSnoop, 0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},
772 {"ti", CmdLFTI, 1, "{ TI RFIDs... }"},
773 {"hitag", CmdLFHitag, 1, "{ Hitag tags and transponders... }"},
774 {"vchdemod", CmdVchDemod, 1, "['clone'] -- Demodulate samples for VeriChip"},
775 {"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"},
776 {"pcf7931", CmdLFPCF7931, 1, "{PCF7931 RFIDs...}"},
777 {NULL, NULL, 0, NULL}
778 };
779
780 int CmdLF(const char *Cmd)
781 {
782 CmdsParse(CommandTable, Cmd);
783 return 0;
784 }
785
786 int CmdHelp(const char *Cmd)
787 {
788 CmdsHelp(CommandTable);
789 return 0;
790 }
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