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[proxmark3-svn] / client / cmdhf14a.c
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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
27static int CmdHelp(const char *Cmd);
28static void waitCmd(uint8_t iLen);
29
30int 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
174void iso14a_set_timeout(uint32_t timeout) {
175 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
176 SendCommand(&c);
177}
178
179int 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 // disconnect
195 c.arg[0] = 0;
196 c.arg[1] = 0;
197 c.arg[2] = 0;
198 SendCommand(&c);
199 return 0;
200 }
201
202 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
203 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
204 PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
205
206 switch (card.sak) {
207 case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
208 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
209 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
210 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
211 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
212 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
213 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
214 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
215 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
216 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
217 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
218 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
219 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
220 default: ;
221 }
222
223
224 // try to request ATS even if tag claims not to support it
225 if (select_status == 2) {
226 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
227 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
228 c.arg[1] = 2;
229 c.arg[2] = 0;
230 memcpy(c.d.asBytes, rats, 2);
231 SendCommand(&c);
232 WaitForResponse(CMD_ACK,&resp);
233
234 memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
235 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
236 }
237
238 // disconnect
239 c.arg[0] = 0;
240 c.arg[1] = 0;
241 c.arg[2] = 0;
242 SendCommand(&c);
243
244
245 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
246 bool ta1 = 0, tb1 = 0, tc1 = 0;
247 int pos;
248
249 if (select_status == 2) {
250 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
251 }
252 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
253 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
254 if (card.ats[0] != card.ats_len - 2) {
255 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
256 }
257
258 if (card.ats[0] > 1) { // there is a format byte (T0)
259 ta1 = (card.ats[1] & 0x10) == 0x10;
260 tb1 = (card.ats[1] & 0x20) == 0x20;
261 tc1 = (card.ats[1] & 0x40) == 0x40;
262 int16_t fsci = card.ats[1] & 0x0f;
263 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
264 "TC1 is%s present, FSCI is %d (FSC = %ld)",
265 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
266 fsci,
267 fsci < 5 ? (fsci - 2) * 8 :
268 fsci < 8 ? (fsci - 3) * 32 :
269 fsci == 8 ? 256 :
270 -1
271 );
272 }
273 pos = 2;
274 if (ta1) {
275 char dr[16], ds[16];
276 dr[0] = ds[0] = '\0';
277 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
278 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
279 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
280 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
281 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
282 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
283 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
284 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
285 PrintAndLog(" - TA1 : different divisors are%s supported, "
286 "DR: [%s], DS: [%s]",
287 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
288 pos++;
289 }
290 if (tb1) {
291 uint32_t sfgi = card.ats[pos] & 0x0F;
292 uint32_t fwi = card.ats[pos] >> 4;
293 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
294 (sfgi),
295 sfgi ? "" : "(not needed) ",
296 sfgi ? (1 << 12) << sfgi : 0,
297 fwi,
298 (1 << 12) << fwi
299 );
300 pos++;
301 }
302 if (tc1) {
303 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
304 (card.ats[pos] & 0x01) ? "" : " NOT",
305 (card.ats[pos] & 0x02) ? "" : " NOT");
306 pos++;
307 }
308 if (card.ats[0] > pos) {
309 char *tip = "";
310 if (card.ats[0] - pos >= 7) {
311 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
312 tip = "-> MIFARE Plus X 2K or 4K";
313 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
314 tip = "-> MIFARE Plus S 2K or 4K";
315 }
316 }
317 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
318 if (card.ats[pos] == 0xC1) {
319 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
320 PrintAndLog(" %02x -> Length is %d bytes",
321 card.ats[pos + 1], card.ats[pos + 1]);
322 switch (card.ats[pos + 2] & 0xf0) {
323 case 0x10:
324 PrintAndLog(" 1x -> MIFARE DESFire");
325 break;
326 case 0x20:
327 PrintAndLog(" 2x -> MIFARE Plus");
328 break;
329 }
330 switch (card.ats[pos + 2] & 0x0f) {
331 case 0x00:
332 PrintAndLog(" x0 -> <1 kByte");
333 break;
334 case 0x01:
335 PrintAndLog(" x0 -> 1 kByte");
336 break;
337 case 0x02:
338 PrintAndLog(" x0 -> 2 kByte");
339 break;
340 case 0x03:
341 PrintAndLog(" x0 -> 4 kByte");
342 break;
343 case 0x04:
344 PrintAndLog(" x0 -> 8 kByte");
345 break;
346 }
347 switch (card.ats[pos + 3] & 0xf0) {
348 case 0x00:
349 PrintAndLog(" 0x -> Engineering sample");
350 break;
351 case 0x20:
352 PrintAndLog(" 2x -> Released");
353 break;
354 }
355 switch (card.ats[pos + 3] & 0x0f) {
356 case 0x00:
357 PrintAndLog(" x0 -> Generation 1");
358 break;
359 case 0x01:
360 PrintAndLog(" x1 -> Generation 2");
361 break;
362 case 0x02:
363 PrintAndLog(" x2 -> Generation 3");
364 break;
365 }
366 switch (card.ats[pos + 4] & 0x0f) {
367 case 0x00:
368 PrintAndLog(" x0 -> Only VCSL supported");
369 break;
370 case 0x01:
371 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
372 break;
373 case 0x0E:
374 PrintAndLog(" xE -> no VCS command supported");
375 break;
376 }
377 }
378 }
379 } else {
380 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
381 }
382
383 return select_status;
384}
385
386// Collect ISO14443 Type A UIDs
387int CmdHF14ACUIDs(const char *Cmd)
388{
389 // requested number of UIDs
390 int n = atoi(Cmd);
391 // collect at least 1 (e.g. if no parameter was given)
392 n = n > 0 ? n : 1;
393
394 PrintAndLog("Collecting %d UIDs", n);
395 PrintAndLog("Start: %u", time(NULL));
396 // repeat n times
397 for (int i = 0; i < n; i++) {
398 // execute anticollision procedure
399 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
400 SendCommand(&c);
401
402 UsbCommand resp;
403 WaitForResponse(CMD_ACK,&resp);
404
405 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
406
407 // check if command failed
408 if (resp.arg[0] == 0) {
409 PrintAndLog("Card select failed.");
410 } else {
411 char uid_string[20];
412 for (uint16_t i = 0; i < card->uidlen; i++) {
413 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
414 }
415 PrintAndLog("%s", uid_string);
416 }
417 }
418 PrintAndLog("End: %u", time(NULL));
419
420 return 1;
421}
422
423// ## simulate iso14443a tag
424// ## greg - added ability to specify tag UID
425int CmdHF14ASim(const char *Cmd)
426{
427 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
428
429 // Retrieve the tag type
430 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
431
432 // When no argument was given, just print help message
433 if (tagtype == 0) {
434 PrintAndLog("");
435 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
436 PrintAndLog("");
437 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
438 PrintAndLog(" types: 1 = MIFARE Classic");
439 PrintAndLog(" 2 = MIFARE Ultralight");
440 PrintAndLog(" 3 = MIFARE DESFIRE");
441 PrintAndLog(" 4 = ISO/IEC 14443-4");
442 PrintAndLog("");
443 return 1;
444 }
445
446 // Store the tag type
447 c.arg[0] = tagtype;
448
449 // Retrieve the full 4 or 7 byte long uid
450 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
451
452 // Are we handling the (optional) second part uid?
453 if (long_uid > 0xffffffff) {
454 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
455 // Store the second part
456 c.arg[2] = (long_uid & 0xffffffff);
457 long_uid >>= 32;
458 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
459 c.arg[1] = (long_uid & 0xffffff);
460 } else {
461 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
462 // Only store the first part
463 c.arg[1] = long_uid & 0xffffffff;
464 }
465/*
466 // At lease save the mandatory first part of the UID
467 c.arg[0] = long_uid & 0xffffffff;
468
469
470 // At lease save the mandatory first part of the UID
471 c.arg[0] = long_uid & 0xffffffff;
472
473 if (c.arg[1] == 0) {
474 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
475 }
476
477 switch (c.arg[0]) {
478 case 1: {
479 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
480 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)};
481 } break;
482 case 2: {
483 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
484 } break;
485 default: {
486 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
487 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
488 PrintAndLog(" type1: 4 ",c.arg[0]);
489
490 return 1;
491 } break;
492 }
493*/
494/*
495 unsigned int hi = 0, lo = 0;
496 int n = 0, i = 0;
497 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
498 hi= (hi << 4) | (lo >> 28);
499 lo= (lo << 4) | (n & 0xf);
500 }
501*/
502// 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)};
503// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
504 SendCommand(&c);
505 return 0;
506}
507
508int CmdHF14ASnoop(const char *Cmd) {
509 int param = 0;
510
511 if (param_getchar(Cmd, 0) == 'h') {
512 PrintAndLog("It get data from the field and saves it into command buffer.");
513 PrintAndLog("Buffer accessible from command hf 14a list.");
514 PrintAndLog("Usage: hf 14a snoop [c][r]");
515 PrintAndLog("c - triggered by first data from card");
516 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
517 PrintAndLog("sample: hf 14a snoop c r");
518 return 0;
519 }
520
521 for (int i = 0; i < 2; i++) {
522 char ctmp = param_getchar(Cmd, i);
523 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
524 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
525 }
526
527 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
528 SendCommand(&c);
529 return 0;
530}
531
532int CmdHF14ACmdRaw(const char *cmd) {
533 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
534 uint8_t reply=1;
535 uint8_t crc=0;
536 uint8_t power=0;
537 uint8_t active=0;
538 uint8_t active_select=0;
539 uint16_t numbits=0;
540 char buf[5]="";
541 int i=0;
542 uint8_t data[100];
543 unsigned int datalen=0, temp;
544
545 if (strlen(cmd)<2) {
546 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
547 PrintAndLog(" -r do not read response");
548 PrintAndLog(" -c calculate and append CRC");
549 PrintAndLog(" -p leave the signal field ON after receive");
550 PrintAndLog(" -a active signal field ON without select");
551 PrintAndLog(" -s active signal field ON with select");
552 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
553 return 0;
554 }
555
556 // strip
557 while (*cmd==' ' || *cmd=='\t') cmd++;
558
559 while (cmd[i]!='\0') {
560 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
561 if (cmd[i]=='-') {
562 switch (cmd[i+1]) {
563 case 'r':
564 reply=0;
565 break;
566 case 'c':
567 crc=1;
568 break;
569 case 'p':
570 power=1;
571 break;
572 case 'a':
573 active=1;
574 break;
575 case 's':
576 active_select=1;
577 break;
578 case 'b':
579 sscanf(cmd+i+2,"%d",&temp);
580 numbits = temp & 0xFFFF;
581 i+=3;
582 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
583 i-=2;
584 break;
585 default:
586 PrintAndLog("Invalid option");
587 return 0;
588 }
589 i+=2;
590 continue;
591 }
592 if ((cmd[i]>='0' && cmd[i]<='9') ||
593 (cmd[i]>='a' && cmd[i]<='f') ||
594 (cmd[i]>='A' && cmd[i]<='F') ) {
595 buf[strlen(buf)+1]=0;
596 buf[strlen(buf)]=cmd[i];
597 i++;
598
599 if (strlen(buf)>=2) {
600 sscanf(buf,"%x",&temp);
601 data[datalen]=(uint8_t)(temp & 0xff);
602 datalen++;
603 *buf=0;
604 }
605 continue;
606 }
607 PrintAndLog("Invalid char on input");
608 return 0;
609 }
610 if(crc && datalen>0)
611 {
612 uint8_t first, second;
613 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
614 data[datalen++] = first;
615 data[datalen++] = second;
616 }
617
618 if(active || active_select)
619 {
620 c.arg[0] |= ISO14A_CONNECT;
621 if(active)
622 c.arg[0] |= ISO14A_NO_SELECT;
623 }
624 if(power)
625 c.arg[0] |= ISO14A_NO_DISCONNECT;
626 if(datalen>0)
627 c.arg[0] |= ISO14A_RAW;
628
629 c.arg[1] = datalen;
630 c.arg[2] = numbits;
631 memcpy(c.d.asBytes,data,datalen);
632
633 SendCommand(&c);
634
635 if (reply) {
636 if(active_select)
637 waitCmd(1);
638 if(datalen>0)
639 waitCmd(0);
640 } // if reply
641 return 0;
642}
643
644static void waitCmd(uint8_t iSelect)
645{
646 uint8_t *recv;
647 UsbCommand resp;
648 char *hexout;
649
650 if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
651 recv = resp.d.asBytes;
652 uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
653 PrintAndLog("received %i octets",iLen);
654 if(!iLen)
655 return;
656 hexout = (char *)malloc(iLen * 3 + 1);
657 if (hexout != NULL) {
658 for (int i = 0; i < iLen; i++) { // data in hex
659 sprintf(&hexout[i * 3], "%02X ", recv[i]);
660 }
661 PrintAndLog("%s", hexout);
662 free(hexout);
663 } else {
664 PrintAndLog("malloc failed your client has low memory?");
665 }
666 } else {
667 PrintAndLog("timeout while waiting for reply.");
668 }
669}
670
671static command_t CommandTable[] =
672{
673 {"help", CmdHelp, 1, "This help"},
674 {"list", CmdHF14AList, 0, "List ISO 14443a history"},
675 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
676 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
677 {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
678 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
679 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
680 {NULL, NULL, 0, NULL}
681};
682
683int CmdHF14A(const char *Cmd) {
684 // flush
685 WaitForResponseTimeout(CMD_ACK,NULL,100);
686
687 // parse
688 CmdsParse(CommandTable, Cmd);
689 return 0;
690}
691
692int CmdHelp(const char *Cmd)
693{
694 CmdsHelp(CommandTable);
695 return 0;
696}
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