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adapted hf iclass list to new trace format
[proxmark3-svn] / client / cmdhf14a.c
1 //-----------------------------------------------------------------------------
2 // 2011, Merlok
3 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
4 //
5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
6 // at your option, any later version. See the LICENSE.txt file for the text of
7 // the license.
8 //-----------------------------------------------------------------------------
9 // High frequency ISO14443A commands
10 //-----------------------------------------------------------------------------
11
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <string.h>
15 #include <unistd.h>
16 #include "util.h"
17 #include "iso14443crc.h"
18 #include "data.h"
19 #include "proxmark3.h"
20 #include "ui.h"
21 #include "cmdparser.h"
22 #include "cmdhf14a.h"
23 #include "common.h"
24 #include "cmdmain.h"
25 #include "mifare.h"
26
27 static int CmdHelp(const char *Cmd);
28 static void waitCmd(uint8_t iLen);
29
30 int CmdHF14AList(const char *Cmd)
31 {
32 bool ShowWaitCycles = false;
33 char param = param_getchar(Cmd, 0);
34
35 if (param == 'h' || (param != 0 && param != 'f')) {
36 PrintAndLog("List data in trace buffer.");
37 PrintAndLog("Usage: hf 14a list [f]");
38 PrintAndLog("f - show frame delay times as well");
39 PrintAndLog("sample: hf 14a list f");
40 return 0;
41 }
42
43 if (param == 'f') {
44 ShowWaitCycles = true;
45 }
46
47 // for the time being. Need better Bigbuf handling.
48 #define TRACE_SIZE 3000
49
50 uint8_t trace[TRACE_SIZE];
51 GetFromBigBuf(trace, TRACE_SIZE, 0);
52 WaitForResponse(CMD_ACK, NULL);
53
54 PrintAndLog("Recorded Activity");
55 PrintAndLog("");
56 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
57 PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
58 PrintAndLog("");
59 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC ");
60 PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------------");
61
62 uint16_t tracepos = 0;
63 uint16_t duration;
64 uint16_t data_len;
65 uint16_t parity_len;
66 bool isResponse;
67 uint32_t timestamp;
68 uint32_t first_timestamp;
69 uint32_t EndOfTransmissionTimestamp;
70
71 for (;;) {
72
73 if(tracepos >= TRACE_SIZE) {
74 break;
75 }
76
77 timestamp = *((uint32_t *)(trace + tracepos));
78 if(tracepos == 0) {
79 first_timestamp = timestamp;
80 }
81
82 // Break and stick with current result if buffer was not completely full
83 if (timestamp == 0x44444444) break;
84
85 tracepos += 4;
86 duration = *((uint16_t *)(trace + tracepos));
87 tracepos += 2;
88 data_len = *((uint16_t *)(trace + tracepos));
89 tracepos += 2;
90
91 if (data_len & 0x8000) {
92 data_len &= 0x7fff;
93 isResponse = true;
94 } else {
95 isResponse = false;
96 }
97
98 parity_len = (data_len-1)/8 + 1;
99
100 if (tracepos + data_len + parity_len >= TRACE_SIZE) {
101 break;
102 }
103
104 uint8_t *frame = trace + tracepos;
105 tracepos += data_len;
106 uint8_t *parityBytes = trace + tracepos;
107 tracepos += parity_len;
108
109 char line[16][110];
110 for (int j = 0; j < data_len; j++) {
111 int oddparity = 0x01;
112 int k;
113
114 for (k=0;k<8;k++) {
115 oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
116 }
117
118 uint8_t parityBits = parityBytes[j>>3];
119 if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
120 sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
121 } else {
122 sprintf(line[j/16]+((j%16)*4), "%02x ", frame[j]);
123 }
124
125 }
126
127 char crc[5] = "";
128 if (data_len > 2) {
129 uint8_t b1, b2;
130 ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
131 if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
132 sprintf(crc, (isResponse & (data_len < 6)) ? "" : "!crc");
133 } else {
134 sprintf(crc, "");
135 }
136 }
137
138 EndOfTransmissionTimestamp = timestamp + duration;
139
140 int num_lines = (data_len - 1)/16 + 1;
141 for (int j = 0; j < num_lines; j++) {
142 if (j == 0) {
143 PrintAndLog(" %9d | %9d | %s | %-64s| %s",
144 (timestamp - first_timestamp),
145 (EndOfTransmissionTimestamp - first_timestamp),
146 (isResponse ? "Tag" : "Rdr"),
147 line[j],
148 (j == num_lines-1)?crc:"");
149 } else {
150 PrintAndLog(" | | | %-64s| %s",
151 line[j],
152 (j == num_lines-1)?crc:"");
153 }
154 }
155
156 bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
157
158 if (ShowWaitCycles && !isResponse && next_isResponse) {
159 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
160 if (next_timestamp != 0x44444444) {
161 PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
162 (EndOfTransmissionTimestamp - first_timestamp),
163 (next_timestamp - first_timestamp),
164 " ",
165 (next_timestamp - EndOfTransmissionTimestamp));
166 }
167 }
168
169 }
170
171 return 0;
172 }
173
174 void iso14a_set_timeout(uint32_t timeout) {
175 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
176 SendCommand(&c);
177 }
178
179 int CmdHF14AReader(const char *Cmd)
180 {
181 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
182 SendCommand(&c);
183
184 UsbCommand resp;
185 WaitForResponse(CMD_ACK,&resp);
186
187 iso14a_card_select_t card;
188 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
189
190 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
191
192 if(select_status == 0) {
193 PrintAndLog("iso14443a card select failed");
194 return 0;
195 }
196
197 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
198 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
199 PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
200
201 switch (card.sak) {
202 case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
203 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
204 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
205 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
206 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
207 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
208 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
209 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
210 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
211 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
212 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
213 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
214 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
215 default: ;
216 }
217
218
219 // try to request ATS even if tag claims not to support it
220 if (select_status == 2) {
221 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
222 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
223 c.arg[1] = 2;
224 c.arg[2] = 0;
225 memcpy(c.d.asBytes, rats, 2);
226 SendCommand(&c);
227 WaitForResponse(CMD_ACK,&resp);
228
229 memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
230 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
231 }
232
233 // disconnect
234 c.arg[0] = 0;
235 c.arg[1] = 0;
236 c.arg[2] = 0;
237 SendCommand(&c);
238
239
240 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
241 bool ta1 = 0, tb1 = 0, tc1 = 0;
242 int pos;
243
244 if (select_status == 2) {
245 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
246 }
247 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
248 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
249 if (card.ats[0] != card.ats_len - 2) {
250 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
251 }
252
253 if (card.ats[0] > 1) { // there is a format byte (T0)
254 ta1 = (card.ats[1] & 0x10) == 0x10;
255 tb1 = (card.ats[1] & 0x20) == 0x20;
256 tc1 = (card.ats[1] & 0x40) == 0x40;
257 int16_t fsci = card.ats[1] & 0x0f;
258 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
259 "TC1 is%s present, FSCI is %d (FSC = %ld)",
260 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
261 fsci,
262 fsci < 5 ? (fsci - 2) * 8 :
263 fsci < 8 ? (fsci - 3) * 32 :
264 fsci == 8 ? 256 :
265 -1
266 );
267 }
268 pos = 2;
269 if (ta1) {
270 char dr[16], ds[16];
271 dr[0] = ds[0] = '\0';
272 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
273 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
274 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
275 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
276 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
277 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
278 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
279 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
280 PrintAndLog(" - TA1 : different divisors are%s supported, "
281 "DR: [%s], DS: [%s]",
282 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
283 pos++;
284 }
285 if (tb1) {
286 uint32_t sfgi = card.ats[pos] & 0x0F;
287 uint32_t fwi = card.ats[pos] >> 4;
288 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
289 (sfgi),
290 sfgi ? "" : "(not needed) ",
291 sfgi ? (1 << 12) << sfgi : 0,
292 fwi,
293 (1 << 12) << fwi
294 );
295 pos++;
296 }
297 if (tc1) {
298 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
299 (card.ats[pos] & 0x01) ? "" : " NOT",
300 (card.ats[pos] & 0x02) ? "" : " NOT");
301 pos++;
302 }
303 if (card.ats[0] > pos) {
304 char *tip = "";
305 if (card.ats[0] - pos >= 7) {
306 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
307 tip = "-> MIFARE Plus X 2K or 4K";
308 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
309 tip = "-> MIFARE Plus S 2K or 4K";
310 }
311 }
312 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
313 if (card.ats[pos] == 0xC1) {
314 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
315 PrintAndLog(" %02x -> Length is %d bytes",
316 card.ats[pos + 1], card.ats[pos + 1]);
317 switch (card.ats[pos + 2] & 0xf0) {
318 case 0x10:
319 PrintAndLog(" 1x -> MIFARE DESFire");
320 break;
321 case 0x20:
322 PrintAndLog(" 2x -> MIFARE Plus");
323 break;
324 }
325 switch (card.ats[pos + 2] & 0x0f) {
326 case 0x00:
327 PrintAndLog(" x0 -> <1 kByte");
328 break;
329 case 0x01:
330 PrintAndLog(" x0 -> 1 kByte");
331 break;
332 case 0x02:
333 PrintAndLog(" x0 -> 2 kByte");
334 break;
335 case 0x03:
336 PrintAndLog(" x0 -> 4 kByte");
337 break;
338 case 0x04:
339 PrintAndLog(" x0 -> 8 kByte");
340 break;
341 }
342 switch (card.ats[pos + 3] & 0xf0) {
343 case 0x00:
344 PrintAndLog(" 0x -> Engineering sample");
345 break;
346 case 0x20:
347 PrintAndLog(" 2x -> Released");
348 break;
349 }
350 switch (card.ats[pos + 3] & 0x0f) {
351 case 0x00:
352 PrintAndLog(" x0 -> Generation 1");
353 break;
354 case 0x01:
355 PrintAndLog(" x1 -> Generation 2");
356 break;
357 case 0x02:
358 PrintAndLog(" x2 -> Generation 3");
359 break;
360 }
361 switch (card.ats[pos + 4] & 0x0f) {
362 case 0x00:
363 PrintAndLog(" x0 -> Only VCSL supported");
364 break;
365 case 0x01:
366 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
367 break;
368 case 0x0E:
369 PrintAndLog(" xE -> no VCS command supported");
370 break;
371 }
372 }
373 }
374 } else {
375 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
376 }
377
378 return select_status;
379 }
380
381 // Collect ISO14443 Type A UIDs
382 int CmdHF14ACUIDs(const char *Cmd)
383 {
384 // requested number of UIDs
385 int n = atoi(Cmd);
386 // collect at least 1 (e.g. if no parameter was given)
387 n = n > 0 ? n : 1;
388
389 PrintAndLog("Collecting %d UIDs", n);
390 PrintAndLog("Start: %u", time(NULL));
391 // repeat n times
392 for (int i = 0; i < n; i++) {
393 // execute anticollision procedure
394 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
395 SendCommand(&c);
396
397 UsbCommand resp;
398 WaitForResponse(CMD_ACK,&resp);
399
400 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
401
402 // check if command failed
403 if (resp.arg[0] == 0) {
404 PrintAndLog("Card select failed.");
405 } else {
406 char uid_string[20];
407 for (uint16_t i = 0; i < card->uidlen; i++) {
408 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
409 }
410 PrintAndLog("%s", uid_string);
411 }
412 }
413 PrintAndLog("End: %u", time(NULL));
414
415 return 1;
416 }
417
418 // ## simulate iso14443a tag
419 // ## greg - added ability to specify tag UID
420 int CmdHF14ASim(const char *Cmd)
421 {
422 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
423
424 // Retrieve the tag type
425 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
426
427 // When no argument was given, just print help message
428 if (tagtype == 0) {
429 PrintAndLog("");
430 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
431 PrintAndLog("");
432 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
433 PrintAndLog(" types: 1 = MIFARE Classic");
434 PrintAndLog(" 2 = MIFARE Ultralight");
435 PrintAndLog(" 3 = MIFARE DESFIRE");
436 PrintAndLog(" 4 = ISO/IEC 14443-4");
437 PrintAndLog("");
438 return 1;
439 }
440
441 // Store the tag type
442 c.arg[0] = tagtype;
443
444 // Retrieve the full 4 or 7 byte long uid
445 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
446
447 // Are we handling the (optional) second part uid?
448 if (long_uid > 0xffffffff) {
449 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
450 // Store the second part
451 c.arg[2] = (long_uid & 0xffffffff);
452 long_uid >>= 32;
453 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
454 c.arg[1] = (long_uid & 0xffffff);
455 } else {
456 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
457 // Only store the first part
458 c.arg[1] = long_uid & 0xffffffff;
459 }
460 /*
461 // At lease save the mandatory first part of the UID
462 c.arg[0] = long_uid & 0xffffffff;
463
464
465 // At lease save the mandatory first part of the UID
466 c.arg[0] = long_uid & 0xffffffff;
467
468 if (c.arg[1] == 0) {
469 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
470 }
471
472 switch (c.arg[0]) {
473 case 1: {
474 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
475 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
476 } break;
477 case 2: {
478 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
479 } break;
480 default: {
481 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
482 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
483 PrintAndLog(" type1: 4 ",c.arg[0]);
484
485 return 1;
486 } break;
487 }
488 */
489 /*
490 unsigned int hi = 0, lo = 0;
491 int n = 0, i = 0;
492 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
493 hi= (hi << 4) | (lo >> 28);
494 lo= (lo << 4) | (n & 0xf);
495 }
496 */
497 // UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
498 // PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
499 SendCommand(&c);
500 return 0;
501 }
502
503 int CmdHF14ASnoop(const char *Cmd) {
504 int param = 0;
505
506 if (param_getchar(Cmd, 0) == 'h') {
507 PrintAndLog("It get data from the field and saves it into command buffer.");
508 PrintAndLog("Buffer accessible from command hf 14a list.");
509 PrintAndLog("Usage: hf 14a snoop [c][r]");
510 PrintAndLog("c - triggered by first data from card");
511 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
512 PrintAndLog("sample: hf 14a snoop c r");
513 return 0;
514 }
515
516 for (int i = 0; i < 2; i++) {
517 char ctmp = param_getchar(Cmd, i);
518 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
519 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
520 }
521
522 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
523 SendCommand(&c);
524 return 0;
525 }
526
527 int CmdHF14ACmdRaw(const char *cmd) {
528 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
529 uint8_t reply=1;
530 uint8_t crc=0;
531 uint8_t power=0;
532 uint8_t active=0;
533 uint8_t active_select=0;
534 uint16_t numbits=0;
535 char buf[5]="";
536 int i=0;
537 uint8_t data[100];
538 unsigned int datalen=0, temp;
539
540 if (strlen(cmd)<2) {
541 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
542 PrintAndLog(" -r do not read response");
543 PrintAndLog(" -c calculate and append CRC");
544 PrintAndLog(" -p leave the signal field ON after receive");
545 PrintAndLog(" -a active signal field ON without select");
546 PrintAndLog(" -s active signal field ON with select");
547 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
548 return 0;
549 }
550
551 // strip
552 while (*cmd==' ' || *cmd=='\t') cmd++;
553
554 while (cmd[i]!='\0') {
555 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
556 if (cmd[i]=='-') {
557 switch (cmd[i+1]) {
558 case 'r':
559 reply=0;
560 break;
561 case 'c':
562 crc=1;
563 break;
564 case 'p':
565 power=1;
566 break;
567 case 'a':
568 active=1;
569 break;
570 case 's':
571 active_select=1;
572 break;
573 case 'b':
574 sscanf(cmd+i+2,"%d",&temp);
575 numbits = temp & 0xFFFF;
576 i+=3;
577 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
578 i-=2;
579 break;
580 default:
581 PrintAndLog("Invalid option");
582 return 0;
583 }
584 i+=2;
585 continue;
586 }
587 if ((cmd[i]>='0' && cmd[i]<='9') ||
588 (cmd[i]>='a' && cmd[i]<='f') ||
589 (cmd[i]>='A' && cmd[i]<='F') ) {
590 buf[strlen(buf)+1]=0;
591 buf[strlen(buf)]=cmd[i];
592 i++;
593
594 if (strlen(buf)>=2) {
595 sscanf(buf,"%x",&temp);
596 data[datalen]=(uint8_t)(temp & 0xff);
597 datalen++;
598 *buf=0;
599 }
600 continue;
601 }
602 PrintAndLog("Invalid char on input");
603 return 0;
604 }
605 if(crc && datalen>0)
606 {
607 uint8_t first, second;
608 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
609 data[datalen++] = first;
610 data[datalen++] = second;
611 }
612
613 if(active || active_select)
614 {
615 c.arg[0] |= ISO14A_CONNECT;
616 if(active)
617 c.arg[0] |= ISO14A_NO_SELECT;
618 }
619 if(power)
620 c.arg[0] |= ISO14A_NO_DISCONNECT;
621 if(datalen>0)
622 c.arg[0] |= ISO14A_RAW;
623
624 c.arg[1] = datalen;
625 c.arg[2] = numbits;
626 memcpy(c.d.asBytes,data,datalen);
627
628 SendCommand(&c);
629
630 if (reply) {
631 if(active_select)
632 waitCmd(1);
633 if(datalen>0)
634 waitCmd(0);
635 } // if reply
636 return 0;
637 }
638
639 static void waitCmd(uint8_t iSelect)
640 {
641 uint8_t *recv;
642 UsbCommand resp;
643 char *hexout;
644
645 if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
646 recv = resp.d.asBytes;
647 uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
648 PrintAndLog("received %i octets",iLen);
649 if(!iLen)
650 return;
651 hexout = (char *)malloc(iLen * 3 + 1);
652 if (hexout != NULL) {
653 for (int i = 0; i < iLen; i++) { // data in hex
654 sprintf(&hexout[i * 3], "%02X ", recv[i]);
655 }
656 PrintAndLog("%s", hexout);
657 free(hexout);
658 } else {
659 PrintAndLog("malloc failed your client has low memory?");
660 }
661 } else {
662 PrintAndLog("timeout while waiting for reply.");
663 }
664 }
665
666 static command_t CommandTable[] =
667 {
668 {"help", CmdHelp, 1, "This help"},
669 {"list", CmdHF14AList, 0, "List ISO 14443a history"},
670 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
671 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
672 {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
673 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
674 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
675 {NULL, NULL, 0, NULL}
676 };
677
678 int CmdHF14A(const char *Cmd) {
679 // flush
680 WaitForResponseTimeout(CMD_ACK,NULL,100);
681
682 // parse
683 CmdsParse(CommandTable, Cmd);
684 return 0;
685 }
686
687 int CmdHelp(const char *Cmd)
688 {
689 CmdsHelp(CommandTable);
690 return 0;
691 }
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