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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 "../common/iso14443crc.h"
18 #include "data.h"
19 #include "proxmark3.h"
20 #include "ui.h"
21 #include "cmdparser.h"
22 #include "cmdhf14a.h"
23 #include "../include/common.h"
24 #include "cmdmain.h"
25 #include "../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 uint8_t trace[TRACE_BUFFER_SIZE];
48 GetFromBigBuf(trace,TRACE_BUFFER_SIZE,0);
49 WaitForResponse(CMD_ACK,NULL);
50
51 PrintAndLog("Recorded Activity");
52 PrintAndLog("");
53 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
54 PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
55 PrintAndLog("");
56 PrintAndLog(" Start | End | Src | Data");
57 PrintAndLog("-----------|-----------|-----|--------");
58
59 uint16_t tracepos = 0;
60 uint16_t duration;
61 uint16_t data_len;
62 uint16_t parity_len;
63 bool isResponse;
64 uint32_t timestamp;
65 uint32_t first_timestamp;
66 uint32_t EndOfTransmissionTimestamp;
67
68 for (;;) {
69
70 if( tracepos >= TRACE_BUFFER_SIZE) break;
71
72 timestamp = *((uint32_t *)(trace + tracepos));
73 if(tracepos == 0) {
74 first_timestamp = timestamp;
75 }
76 tracepos += 4;
77 duration = *((uint16_t *)(trace + tracepos));
78 tracepos += 2;
79 data_len = *((uint16_t *)(trace + tracepos));
80 tracepos += 2;
81
82 if (data_len & 0x8000) {
83 data_len &= 0x7fff;
84 isResponse = true;
85 } else {
86 isResponse = false;
87 }
88
89 parity_len = (data_len-1)/8 + 1;
90
91
92 if (tracepos + data_len + parity_len >= TRACE_BUFFER_SIZE) { break; }
93
94 uint8_t *frame = trace + tracepos;
95 tracepos += data_len;
96 uint8_t *parityBytes = trace + tracepos;
97 tracepos += parity_len;
98
99 // Break and stick with current result if buffer was not completely full
100 if (timestamp == 0x44444444) break;
101
102 char line[1000] = "";
103 int j;
104 for (j = 0; j < data_len; j++) {
105 int oddparity = 0x01;
106 int k;
107
108 for (k=0;k<8;k++) {
109 oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
110 }
111
112 uint8_t parityBits = parityBytes[j>>3];
113 if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
114 sprintf(line+(j*4), "%02x! ", frame[j]);
115 } else {
116 sprintf(line+(j*4), "%02x ", frame[j]);
117 }
118 }
119
120 char crc[6] = "";
121 if (data_len > 2) {
122 uint8_t b1, b2;
123 ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
124 if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
125 sprintf(crc, (isResponse & (data_len < 6)) ? "" : " !crc");
126 } else {
127 sprintf(crc, "");
128 }
129
130 EndOfTransmissionTimestamp = timestamp + duration;
131
132 PrintAndLog(" %9d | %9d | %s | %s %s",
133 (timestamp - first_timestamp),
134 (EndOfTransmissionTimestamp - first_timestamp),
135 (isResponse ? "Tag" : "Rdr"),
136 line,
137 crc);
138
139 bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
140 if (ShowWaitCycles && !isResponse && next_isResponse) {
141 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
142 if (next_timestamp != 0x44444444) {
143 PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
144 (EndOfTransmissionTimestamp - first_timestamp),
145 (next_timestamp - first_timestamp),
146 " ",
147 (next_timestamp - EndOfTransmissionTimestamp));
148 }
149 }
150 }
151 }
152 return 0;
153 }
154
155 void iso14a_set_timeout(uint32_t timeout) {
156 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
157 SendCommand(&c);
158 }
159
160 int CmdHF14AReader(const char *Cmd)
161 {
162 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
163 SendCommand(&c);
164
165 UsbCommand resp;
166 WaitForResponse(CMD_ACK,&resp);
167
168 iso14a_card_select_t *card = (iso14a_card_select_t *)resp.d.asBytes;
169
170 if(resp.arg[0] == 0) {
171 PrintAndLog("iso14443a card select failed");
172 return 0;
173 }
174
175 PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
176 PrintAndLog(" UID : %s", sprint_hex(card->uid, card->uidlen));
177 PrintAndLog(" SAK : %02x [%d]", card->sak, resp.arg[0]);
178
179 switch (card->sak) {
180 case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
181 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
182 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
183 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
184 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
185 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
186 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
187 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
188 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
189 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
190 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
191 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
192 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
193 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
194 default: ;
195 }
196 if(resp.arg[0] == 1) {
197 bool ta1 = 0, tb1 = 0, tc1 = 0;
198 int pos;
199
200 PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
201 if (card->ats_len > 0) {
202 PrintAndLog(" - TL : length is %d bytes", card->ats[0]);
203 }
204 if (card->ats_len > 1) {
205 ta1 = (card->ats[1] & 0x10) == 0x10;
206 tb1 = (card->ats[1] & 0x20) == 0x20;
207 tc1 = (card->ats[1] & 0x40) == 0x40;
208 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
209 "TC1 is%s present, FSCI is %d",
210 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
211 (card->ats[1] & 0x0f));
212 }
213 pos = 2;
214 if (ta1 && card->ats_len > pos) {
215 char dr[16], ds[16];
216 dr[0] = ds[0] = '\0';
217 if (card->ats[pos] & 0x10) strcat(ds, "2, ");
218 if (card->ats[pos] & 0x20) strcat(ds, "4, ");
219 if (card->ats[pos] & 0x40) strcat(ds, "8, ");
220 if (card->ats[pos] & 0x01) strcat(dr, "2, ");
221 if (card->ats[pos] & 0x02) strcat(dr, "4, ");
222 if (card->ats[pos] & 0x04) strcat(dr, "8, ");
223 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
224 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
225 PrintAndLog(" - TA1 : different divisors are%s supported, "
226 "DR: [%s], DS: [%s]",
227 (card->ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
228 pos++;
229 }
230 if (tb1 && card->ats_len > pos) {
231 PrintAndLog(" - TB1 : SFGI = %d, FWI = %d",
232 (card->ats[pos] & 0x08),
233 (card->ats[pos] & 0x80) >> 4);
234 pos++;
235 }
236 if (tc1 && card->ats_len > pos) {
237 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
238 (card->ats[pos] & 0x01) ? "" : " NOT",
239 (card->ats[pos] & 0x02) ? "" : " NOT");
240 pos++;
241 }
242 if (card->ats_len > pos) {
243 char *tip = "";
244 if (card->ats_len - pos > 7) {
245 if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
246 tip = "-> MIFARE Plus X 2K or 4K";
247 } else if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
248 tip = "-> MIFARE Plus S 2K or 4K";
249 }
250 }
251 PrintAndLog(" - HB : %s%s", sprint_hex(card->ats + pos, card->ats_len - pos - 2), tip);
252 if (card->ats[pos] == 0xC1) {
253 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
254 PrintAndLog(" %02x -> Length is %d bytes",
255 card->ats[pos + 1], card->ats[pos + 1]);
256 switch (card->ats[pos + 2] & 0xf0) {
257 case 0x10:
258 PrintAndLog(" 1x -> MIFARE DESFire");
259 break;
260 case 0x20:
261 PrintAndLog(" 2x -> MIFARE Plus");
262 break;
263 }
264 switch (card->ats[pos + 2] & 0x0f) {
265 case 0x00:
266 PrintAndLog(" x0 -> <1 kByte");
267 break;
268 case 0x01:
269 PrintAndLog(" x0 -> 1 kByte");
270 break;
271 case 0x02:
272 PrintAndLog(" x0 -> 2 kByte");
273 break;
274 case 0x03:
275 PrintAndLog(" x0 -> 4 kByte");
276 break;
277 case 0x04:
278 PrintAndLog(" x0 -> 8 kByte");
279 break;
280 }
281 switch (card->ats[pos + 3] & 0xf0) {
282 case 0x00:
283 PrintAndLog(" 0x -> Engineering sample");
284 break;
285 case 0x20:
286 PrintAndLog(" 2x -> Released");
287 break;
288 }
289 switch (card->ats[pos + 3] & 0x0f) {
290 case 0x00:
291 PrintAndLog(" x0 -> Generation 1");
292 break;
293 case 0x01:
294 PrintAndLog(" x1 -> Generation 2");
295 break;
296 case 0x02:
297 PrintAndLog(" x2 -> Generation 3");
298 break;
299 }
300 switch (card->ats[pos + 4] & 0x0f) {
301 case 0x00:
302 PrintAndLog(" x0 -> Only VCSL supported");
303 break;
304 case 0x01:
305 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
306 break;
307 case 0x0E:
308 PrintAndLog(" xE -> no VCS command supported");
309 break;
310 }
311 }
312 }
313 } else {
314 PrintAndLog("proprietary non iso14443a-4 card found, RATS not supported");
315 }
316
317 return resp.arg[0];
318 }
319
320 // Collect ISO14443 Type A UIDs
321 int CmdHF14ACUIDs(const char *Cmd)
322 {
323 // requested number of UIDs
324 int n = atoi(Cmd);
325 // collect at least 1 (e.g. if no parameter was given)
326 n = n > 0 ? n : 1;
327
328 PrintAndLog("Collecting %d UIDs", n);
329 PrintAndLog("Start: %u", time(NULL));
330 // repeat n times
331 for (int i = 0; i < n; i++) {
332 // execute anticollision procedure
333 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
334 SendCommand(&c);
335
336 UsbCommand resp;
337 WaitForResponse(CMD_ACK,&resp);
338
339 uint8_t *uid = resp.d.asBytes;
340 iso14a_card_select_t *card = (iso14a_card_select_t *)(uid + 12);
341
342 // check if command failed
343 if (resp.arg[0] == 0) {
344 PrintAndLog("Card select failed.");
345 } else {
346 // check if UID is 4 bytes
347 if ((card->atqa[1] & 0xC0) == 0) {
348 PrintAndLog("%02X%02X%02X%02X",
349 *uid, *(uid + 1), *(uid + 2), *(uid + 3));
350 } else {
351 PrintAndLog("UID longer than 4 bytes");
352 }
353 }
354 }
355 PrintAndLog("End: %u", time(NULL));
356
357 return 1;
358 }
359
360 // ## simulate iso14443a tag
361 // ## greg - added ability to specify tag UID
362 int CmdHF14ASim(const char *Cmd)
363 {
364 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
365
366 // Retrieve the tag type
367 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
368
369 // When no argument was given, just print help message
370 if (tagtype == 0) {
371 PrintAndLog("");
372 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
373 PrintAndLog("");
374 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
375 PrintAndLog(" types: 1 = MIFARE Classic");
376 PrintAndLog(" 2 = MIFARE Ultralight");
377 PrintAndLog(" 3 = MIFARE DESFIRE");
378 PrintAndLog(" 4 = ISO/IEC 14443-4");
379 PrintAndLog(" 5 = MIFARE TNP3XXX");
380 PrintAndLog("");
381 return 1;
382 }
383
384 // Store the tag type
385 c.arg[0] = tagtype;
386
387 // Retrieve the full 4 or 7 byte long uid
388 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
389
390 // Are we handling the (optional) second part uid?
391 if (long_uid > 0xffffffff) {
392 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
393 // Store the second part
394 c.arg[2] = (long_uid & 0xffffffff);
395 long_uid >>= 32;
396 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
397 c.arg[1] = (long_uid & 0xffffff);
398 } else {
399 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
400 // Only store the first part
401 c.arg[1] = long_uid & 0xffffffff;
402 }
403 /*
404 // At lease save the mandatory first part of the UID
405 c.arg[0] = long_uid & 0xffffffff;
406
407 if (c.arg[1] == 0) {
408 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
409 }
410
411 switch (c.arg[0]) {
412 case 1: {
413 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
414 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)};
415 } break;
416 case 2: {
417 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
418 } break;
419 default: {
420 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
421 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
422 PrintAndLog(" type1: 4 ",c.arg[0]);
423
424 return 1;
425 } break;
426 }
427 */
428 /*
429 unsigned int hi = 0, lo = 0;
430 int n = 0, i = 0;
431 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
432 hi= (hi << 4) | (lo >> 28);
433 lo= (lo << 4) | (n & 0xf);
434 }
435 */
436 // 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)};
437 // PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
438 SendCommand(&c);
439 return 0;
440 }
441
442 int CmdHF14ASnoop(const char *Cmd) {
443 int param = 0;
444
445 if (param_getchar(Cmd, 0) == 'h') {
446 PrintAndLog("It get data from the field and saves it into command buffer.");
447 PrintAndLog("Buffer accessible from command hf 14a list.");
448 PrintAndLog("Usage: hf 14a snoop [c][r]");
449 PrintAndLog("c - triggered by first data from card");
450 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
451 PrintAndLog("sample: hf 14a snoop c r");
452 return 0;
453 }
454
455 for (int i = 0; i < 2; i++) {
456 char ctmp = param_getchar(Cmd, i);
457 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
458 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
459 }
460
461 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
462 SendCommand(&c);
463 return 0;
464 }
465
466 int CmdHF14ACmdRaw(const char *cmd) {
467 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
468 uint8_t reply=1;
469 uint8_t crc=0;
470 uint8_t power=0;
471 uint8_t active=0;
472 uint8_t active_select=0;
473 uint16_t numbits=0;
474 uint16_t timeout=0;
475 uint8_t bTimeout=0;
476 char buf[5]="";
477 int i=0;
478 uint8_t data[USB_CMD_DATA_SIZE];
479 unsigned int datalen=0, temp;
480
481 if (strlen(cmd)<2) {
482 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
483 PrintAndLog(" -r do not read response");
484 PrintAndLog(" -c calculate and append CRC");
485 PrintAndLog(" -p leave the signal field ON after receive");
486 PrintAndLog(" -a active signal field ON without select");
487 PrintAndLog(" -s active signal field ON with select");
488 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
489 PrintAndLog(" -t timeout");
490 return 0;
491 }
492
493 // strip
494 while (*cmd==' ' || *cmd=='\t') cmd++;
495
496 while (cmd[i]!='\0') {
497 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
498 if (cmd[i]=='-') {
499 switch (cmd[i+1]) {
500 case 'r':
501 reply=0;
502 break;
503 case 'c':
504 crc=1;
505 break;
506 case 'p':
507 power=1;
508 break;
509 case 'a':
510 active=1;
511 break;
512 case 's':
513 active_select=1;
514 break;
515 case 'b':
516 sscanf(cmd+i+2,"%d",&temp);
517 numbits = temp & 0xFFFF;
518 i+=3;
519 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
520 i-=2;
521 break;
522 case 't':
523 bTimeout=1;
524 sscanf(cmd+i+2,"%d",&temp);
525 timeout = temp & 0xFFFF;
526 i+=3;
527 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
528 i+=2;
529 break;
530 default:
531 PrintAndLog("Invalid option");
532 return 0;
533 }
534 i+=2;
535 continue;
536 }
537 if ((cmd[i]>='0' && cmd[i]<='9') ||
538 (cmd[i]>='a' && cmd[i]<='f') ||
539 (cmd[i]>='A' && cmd[i]<='F') ) {
540 buf[strlen(buf)+1]=0;
541 buf[strlen(buf)]=cmd[i];
542 i++;
543
544 if (strlen(buf)>=2) {
545 sscanf(buf,"%x",&temp);
546 data[datalen]=(uint8_t)(temp & 0xff);
547 *buf=0;
548 if (++datalen>sizeof(data)){
549 if (crc)
550 PrintAndLog("Buffer is full, we can't add CRC to your data");
551 break;
552 }
553 }
554 continue;
555 }
556 PrintAndLog("Invalid char on input");
557 return 0;
558 }
559 if(crc && datalen>0 && datalen<sizeof(data)-2)
560 {
561 uint8_t first, second;
562 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
563 data[datalen++] = first;
564 data[datalen++] = second;
565 }
566
567 if(active || active_select)
568 {
569 c.arg[0] |= ISO14A_CONNECT;
570 if(active)
571 c.arg[0] |= ISO14A_NO_SELECT;
572 }
573 if(bTimeout){
574 #define MAX_TIMEOUT 624*105 // max timeout is 624 ms
575 c.arg[0] |= ISO14A_SET_TIMEOUT;
576 c.arg[2] = timeout * 105; // each bit is about 9.4 us
577 if(c.arg[2]>MAX_TIMEOUT) {
578 c.arg[2] = MAX_TIMEOUT;
579 PrintAndLog("Set timeout to 624 ms. The max we can wait for response");
580 }
581 }
582 if(power)
583 c.arg[0] |= ISO14A_NO_DISCONNECT;
584 if(datalen>0)
585 c.arg[0] |= ISO14A_RAW;
586
587 // Max buffer is USB_CMD_DATA_SIZE
588 c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
589 memcpy(c.d.asBytes,data,datalen);
590
591 SendCommand(&c);
592
593 if (reply) {
594 if(active_select)
595 waitCmd(1);
596 if(datalen>0)
597 waitCmd(0);
598 } // if reply
599 return 0;
600 }
601
602 static void waitCmd(uint8_t iSelect)
603 {
604 uint8_t *recv;
605 UsbCommand resp;
606 char *hexout;
607
608 if (WaitForResponseTimeout(CMD_ACK,&resp,10000)) {
609 recv = resp.d.asBytes;
610 uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
611 PrintAndLog("received %i octets",iLen);
612 if(!iLen)
613 return;
614 hexout = (char *)malloc(iLen * 3 + 1);
615 if (hexout != NULL) {
616 for (int i = 0; i < iLen; i++) { // data in hex
617 sprintf(&hexout[i * 3], "%02X ", recv[i]);
618 }
619 PrintAndLog("%s", hexout);
620 free(hexout);
621 } else {
622 PrintAndLog("malloc failed your client has low memory?");
623 }
624 } else {
625 PrintAndLog("timeout while waiting for reply.");
626 }
627 }
628
629 static command_t CommandTable[] =
630 {
631 {"help", CmdHelp, 1, "This help"},
632 {"list", CmdHF14AList, 0, "List ISO 14443a history"},
633 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
634 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
635 {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
636 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
637 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
638 {NULL, NULL, 0, NULL}
639 };
640
641 int CmdHF14A(const char *Cmd) {
642 // flush
643 WaitForResponseTimeout(CMD_ACK,NULL,100);
644
645 // parse
646 CmdsParse(CommandTable, Cmd);
647 return 0;
648 }
649
650 int CmdHelp(const char *Cmd)
651 {
652 CmdsHelp(CommandTable);
653 return 0;
654 }
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