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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 got[1920];
48 GetFromBigBuf(got,sizeof(got),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 int i = 0;
60 uint32_t first_timestamp = 0;
61 uint32_t timestamp;
62 uint32_t EndOfTransmissionTimestamp = 0;
63
64 for (;;) {
65 if(i >= 1900) {
66 break;
67 }
68
69 bool isResponse;
70 timestamp = *((uint32_t *)(got+i));
71 if (timestamp & 0x80000000) {
72 timestamp &= 0x7fffffff;
73 isResponse = true;
74 } else {
75 isResponse = false;
76 }
77
78 if(i==0) {
79 first_timestamp = timestamp;
80 }
81
82 int parityBits = *((uint32_t *)(got+i+4));
83
84 int len = got[i+8];
85
86 if (len > 100) {
87 break;
88 }
89 if (i + len >= 1900) {
90 break;
91 }
92
93 uint8_t *frame = (got+i+9);
94
95 // Break and stick with current result if buffer was not completely full
96 if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break;
97
98 char line[1000] = "";
99 int j;
100 if (len) {
101 for (j = 0; j < len; j++) {
102 int oddparity = 0x01;
103 int k;
104
105 for (k=0;k<8;k++) {
106 oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
107 }
108
109 //if((parityBits >> (len - j - 1)) & 0x01) {
110 if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
111 sprintf(line+(j*4), "%02x! ", frame[j]);
112 } else {
113 sprintf(line+(j*4), "%02x ", frame[j]);
114 }
115 }
116 } else {
117 if (ShowWaitCycles) {
118 uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff;
119 sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp));
120 }
121 }
122
123 char *crc;
124 crc = "";
125 if (len > 2) {
126 uint8_t b1, b2;
127 for (j = 0; j < (len - 1); j++) {
128 // gives problems... search for the reason..
129 /*if(frame[j] == 0xAA) {
130 switch(frame[j+1]) {
131 case 0x01:
132 crc = "[1] Two drops close after each other";
133 break;
134 case 0x02:
135 crc = "[2] Potential SOC with a drop in second half of bitperiod";
136 break;
137 case 0x03:
138 crc = "[3] Segment Z after segment X is not possible";
139 break;
140 case 0x04:
141 crc = "[4] Parity bit of a fully received byte was wrong";
142 break;
143 default:
144 crc = "[?] Unknown error";
145 break;
146 }
147 break;
148 }*/
149 }
150
151 if (strlen(crc)==0) {
152 ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
153 if (b1 != frame[len-2] || b2 != frame[len-1]) {
154 crc = (isResponse & (len < 6)) ? "" : " !crc";
155 } else {
156 crc = "";
157 }
158 }
159 } else {
160 crc = ""; // SHORT
161 }
162
163 i += (len + 9);
164
165 EndOfTransmissionTimestamp = (*((uint32_t *)(got+i))) & 0x7fffffff;
166
167 if (!ShowWaitCycles) i += 9;
168
169 PrintAndLog(" %9d | %9d | %s | %s %s",
170 (timestamp - first_timestamp),
171 (EndOfTransmissionTimestamp - first_timestamp),
172 (len?(isResponse ? "Tag" : "Rdr"):" "),
173 line, crc);
174
175 }
176 return 0;
177 }
178
179 void iso14a_set_timeout(uint32_t timeout) {
180 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
181 SendCommand(&c);
182 }
183
184 int CmdHF14AReader(const char *Cmd)
185 {
186 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
187 SendCommand(&c);
188
189 UsbCommand resp;
190 WaitForResponse(CMD_ACK,&resp);
191
192 iso14a_card_select_t *card = (iso14a_card_select_t *)resp.d.asBytes;
193
194 if(resp.arg[0] == 0) {
195 PrintAndLog("iso14443a card select failed");
196 return 0;
197 }
198
199 PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
200 PrintAndLog(" UID : %s", sprint_hex(card->uid, card->uidlen));
201 PrintAndLog(" SAK : %02x [%d]", card->sak, resp.arg[0]);
202
203 switch (card->sak) {
204 case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
205 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
206 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
207 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
208 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
209 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
210 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
211 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
212 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
213 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
214 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
215 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
216 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
217 default: ;
218 }
219 if(resp.arg[0] == 1) {
220 bool ta1 = 0, tb1 = 0, tc1 = 0;
221 int pos;
222
223 PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
224 if (card->ats_len > 0) {
225 PrintAndLog(" - TL : length is %d bytes", card->ats[0]);
226 }
227 if (card->ats_len > 1) {
228 ta1 = (card->ats[1] & 0x10) == 0x10;
229 tb1 = (card->ats[1] & 0x20) == 0x20;
230 tc1 = (card->ats[1] & 0x40) == 0x40;
231 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
232 "TC1 is%s present, FSCI is %d",
233 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
234 (card->ats[1] & 0x0f));
235 }
236 pos = 2;
237 if (ta1 && card->ats_len > pos) {
238 char dr[16], ds[16];
239 dr[0] = ds[0] = '\0';
240 if (card->ats[pos] & 0x10) strcat(ds, "2, ");
241 if (card->ats[pos] & 0x20) strcat(ds, "4, ");
242 if (card->ats[pos] & 0x40) strcat(ds, "8, ");
243 if (card->ats[pos] & 0x01) strcat(dr, "2, ");
244 if (card->ats[pos] & 0x02) strcat(dr, "4, ");
245 if (card->ats[pos] & 0x04) strcat(dr, "8, ");
246 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
247 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
248 PrintAndLog(" - TA1 : different divisors are%s supported, "
249 "DR: [%s], DS: [%s]",
250 (card->ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
251 pos++;
252 }
253 if (tb1 && card->ats_len > pos) {
254 PrintAndLog(" - TB1 : SFGI = %d, FWI = %d",
255 (card->ats[pos] & 0x08),
256 (card->ats[pos] & 0x80) >> 4);
257 pos++;
258 }
259 if (tc1 && card->ats_len > pos) {
260 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
261 (card->ats[pos] & 0x01) ? "" : " NOT",
262 (card->ats[pos] & 0x02) ? "" : " NOT");
263 pos++;
264 }
265 if (card->ats_len > pos) {
266 char *tip = "";
267 if (card->ats_len - pos > 7) {
268 if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
269 tip = "-> MIFARE Plus X 2K or 4K";
270 } else if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
271 tip = "-> MIFARE Plus S 2K or 4K";
272 }
273 }
274 PrintAndLog(" - HB : %s%s", sprint_hex(card->ats + pos, card->ats_len - pos - 2), tip);
275 if (card->ats[pos] == 0xC1) {
276 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
277 PrintAndLog(" %02x -> Length is %d bytes",
278 card->ats[pos + 1], card->ats[pos + 1]);
279 switch (card->ats[pos + 2] & 0xf0) {
280 case 0x10:
281 PrintAndLog(" 1x -> MIFARE DESFire");
282 break;
283 case 0x20:
284 PrintAndLog(" 2x -> MIFARE Plus");
285 break;
286 }
287 switch (card->ats[pos + 2] & 0x0f) {
288 case 0x00:
289 PrintAndLog(" x0 -> <1 kByte");
290 break;
291 case 0x01:
292 PrintAndLog(" x0 -> 1 kByte");
293 break;
294 case 0x02:
295 PrintAndLog(" x0 -> 2 kByte");
296 break;
297 case 0x03:
298 PrintAndLog(" x0 -> 4 kByte");
299 break;
300 case 0x04:
301 PrintAndLog(" x0 -> 8 kByte");
302 break;
303 }
304 switch (card->ats[pos + 3] & 0xf0) {
305 case 0x00:
306 PrintAndLog(" 0x -> Engineering sample");
307 break;
308 case 0x20:
309 PrintAndLog(" 2x -> Released");
310 break;
311 }
312 switch (card->ats[pos + 3] & 0x0f) {
313 case 0x00:
314 PrintAndLog(" x0 -> Generation 1");
315 break;
316 case 0x01:
317 PrintAndLog(" x1 -> Generation 2");
318 break;
319 case 0x02:
320 PrintAndLog(" x2 -> Generation 3");
321 break;
322 }
323 switch (card->ats[pos + 4] & 0x0f) {
324 case 0x00:
325 PrintAndLog(" x0 -> Only VCSL supported");
326 break;
327 case 0x01:
328 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
329 break;
330 case 0x0E:
331 PrintAndLog(" xE -> no VCS command supported");
332 break;
333 }
334 }
335 }
336 } else {
337 PrintAndLog("proprietary non iso14443a-4 card found, RATS not supported");
338 }
339
340 return resp.arg[0];
341 }
342
343 // Collect ISO14443 Type A UIDs
344 int CmdHF14ACUIDs(const char *Cmd)
345 {
346 // requested number of UIDs
347 int n = atoi(Cmd);
348 // collect at least 1 (e.g. if no parameter was given)
349 n = n > 0 ? n : 1;
350
351 PrintAndLog("Collecting %d UIDs", n);
352 PrintAndLog("Start: %u", time(NULL));
353 // repeat n times
354 for (int i = 0; i < n; i++) {
355 // execute anticollision procedure
356 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
357 SendCommand(&c);
358
359 UsbCommand resp;
360 WaitForResponse(CMD_ACK,&resp);
361
362 uint8_t *uid = resp.d.asBytes;
363 iso14a_card_select_t *card = (iso14a_card_select_t *)(uid + 12);
364
365 // check if command failed
366 if (resp.arg[0] == 0) {
367 PrintAndLog("Card select failed.");
368 } else {
369 // check if UID is 4 bytes
370 if ((card->atqa[1] & 0xC0) == 0) {
371 PrintAndLog("%02X%02X%02X%02X",
372 *uid, *(uid + 1), *(uid + 2), *(uid + 3));
373 } else {
374 PrintAndLog("UID longer than 4 bytes");
375 }
376 }
377 }
378 PrintAndLog("End: %u", time(NULL));
379
380 return 1;
381 }
382
383 // ## simulate iso14443a tag
384 // ## greg - added ability to specify tag UID
385 int CmdHF14ASim(const char *Cmd)
386 {
387 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
388
389 // Retrieve the tag type
390 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
391
392 // When no argument was given, just print help message
393 if (tagtype == 0) {
394 PrintAndLog("");
395 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
396 PrintAndLog("");
397 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
398 PrintAndLog(" types: 1 = MIFARE Classic");
399 PrintAndLog(" 2 = MIFARE Ultralight");
400 PrintAndLog(" 3 = MIFARE DESFIRE");
401 PrintAndLog(" 4 = ISO/IEC 14443-4");
402 PrintAndLog("");
403 return 1;
404 }
405
406 // Store the tag type
407 c.arg[0] = tagtype;
408
409 // Retrieve the full 4 or 7 byte long uid
410 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
411
412 // Are we handling the (optional) second part uid?
413 if (long_uid > 0xffffffff) {
414 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
415 // Store the second part
416 c.arg[2] = (long_uid & 0xffffffff);
417 long_uid >>= 32;
418 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
419 c.arg[1] = (long_uid & 0xffffff);
420 } else {
421 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
422 // Only store the first part
423 c.arg[1] = long_uid & 0xffffffff;
424 }
425 /*
426 // At lease save the mandatory first part of the UID
427 c.arg[0] = long_uid & 0xffffffff;
428
429 if (c.arg[1] == 0) {
430 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
431 }
432
433 switch (c.arg[0]) {
434 case 1: {
435 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
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 } break;
438 case 2: {
439 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
440 } break;
441 default: {
442 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
443 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
444 PrintAndLog(" type1: 4 ",c.arg[0]);
445
446 return 1;
447 } break;
448 }
449 */
450 /*
451 unsigned int hi = 0, lo = 0;
452 int n = 0, i = 0;
453 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
454 hi= (hi << 4) | (lo >> 28);
455 lo= (lo << 4) | (n & 0xf);
456 }
457 */
458 // 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)};
459 // PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
460 SendCommand(&c);
461 return 0;
462 }
463
464 int CmdHF14ASnoop(const char *Cmd) {
465 int param = 0;
466
467 if (param_getchar(Cmd, 0) == 'h') {
468 PrintAndLog("It get data from the field and saves it into command buffer.");
469 PrintAndLog("Buffer accessible from command hf 14a list.");
470 PrintAndLog("Usage: hf 14a snoop [c][r]");
471 PrintAndLog("c - triggered by first data from card");
472 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
473 PrintAndLog("sample: hf 14a snoop c r");
474 return 0;
475 }
476
477 for (int i = 0; i < 2; i++) {
478 char ctmp = param_getchar(Cmd, i);
479 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
480 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
481 }
482
483 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
484 SendCommand(&c);
485 return 0;
486 }
487
488 int CmdHF14ACmdRaw(const char *cmd) {
489 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
490 uint8_t reply=1;
491 uint8_t crc=0;
492 uint8_t power=0;
493 uint8_t active=0;
494 uint8_t active_select=0;
495 uint16_t numbits=0;
496 uint16_t timeout=0;
497 uint8_t bTimeout=0;
498 char buf[5]="";
499 int i=0;
500 uint8_t data[USB_CMD_DATA_SIZE];
501 unsigned int datalen=0, temp;
502
503 if (strlen(cmd)<2) {
504 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
505 PrintAndLog(" -r do not read response");
506 PrintAndLog(" -c calculate and append CRC");
507 PrintAndLog(" -p leave the signal field ON after receive");
508 PrintAndLog(" -a active signal field ON without select");
509 PrintAndLog(" -s active signal field ON with select");
510 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
511 PrintAndLog(" -t timeout");
512 return 0;
513 }
514
515 // strip
516 while (*cmd==' ' || *cmd=='\t') cmd++;
517
518 while (cmd[i]!='\0') {
519 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
520 if (cmd[i]=='-') {
521 switch (cmd[i+1]) {
522 case 'r':
523 reply=0;
524 break;
525 case 'c':
526 crc=1;
527 break;
528 case 'p':
529 power=1;
530 break;
531 case 'a':
532 active=1;
533 break;
534 case 's':
535 active_select=1;
536 break;
537 case 'b':
538 sscanf(cmd+i+2,"%d",&temp);
539 numbits = temp & 0xFFFF;
540 i+=3;
541 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
542 i-=2;
543 break;
544 case 't':
545 bTimeout=1;
546 sscanf(cmd+i+2,"%d",&temp);
547 timeout = temp & 0xFFFF;
548 i+=3;
549 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
550 i+=2;
551 break;
552 default:
553 PrintAndLog("Invalid option");
554 return 0;
555 }
556 i+=2;
557 continue;
558 }
559 if ((cmd[i]>='0' && cmd[i]<='9') ||
560 (cmd[i]>='a' && cmd[i]<='f') ||
561 (cmd[i]>='A' && cmd[i]<='F') ) {
562 buf[strlen(buf)+1]=0;
563 buf[strlen(buf)]=cmd[i];
564 i++;
565
566 if (strlen(buf)>=2) {
567 sscanf(buf,"%x",&temp);
568 data[datalen]=(uint8_t)(temp & 0xff);
569 *buf=0;
570 if (++datalen>sizeof(data)){
571 if (crc)
572 PrintAndLog("Buffer is full, we can't add CRC to your data");
573 break;
574 }
575 }
576 continue;
577 }
578 PrintAndLog("Invalid char on input");
579 return 0;
580 }
581 if(crc && datalen>0 && datalen<sizeof(data)-2)
582 {
583 uint8_t first, second;
584 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
585 data[datalen++] = first;
586 data[datalen++] = second;
587 }
588
589 if(active || active_select)
590 {
591 c.arg[0] |= ISO14A_CONNECT;
592 if(active)
593 c.arg[0] |= ISO14A_NO_SELECT;
594 }
595 if(bTimeout){
596 #define MAX_TIMEOUT 624*105 // max timeout is 624 ms
597 c.arg[0] |= ISO14A_SET_TIMEOUT;
598 c.arg[2] = timeout * 105; // each bit is about 9.4 us
599 if(c.arg[2]>MAX_TIMEOUT) {
600 c.arg[2] = MAX_TIMEOUT;
601 PrintAndLog("Set timeout to 624 ms. The max we can wait for response");
602 }
603 }
604 if(power)
605 c.arg[0] |= ISO14A_NO_DISCONNECT;
606 if(datalen>0)
607 c.arg[0] |= ISO14A_RAW;
608
609 // Max buffer is USB_CMD_DATA_SIZE
610 c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
611 memcpy(c.d.asBytes,data,datalen);
612
613 SendCommand(&c);
614
615 if (reply) {
616 if(active_select)
617 waitCmd(1);
618 if(datalen>0)
619 waitCmd(0);
620 } // if reply
621 return 0;
622 }
623
624 static void waitCmd(uint8_t iSelect)
625 {
626 uint8_t *recv;
627 UsbCommand resp;
628 char *hexout;
629
630 if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
631 recv = resp.d.asBytes;
632 uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
633 PrintAndLog("received %i octets",iLen);
634 if(!iLen)
635 return;
636 hexout = (char *)malloc(iLen * 3 + 1);
637 if (hexout != NULL) {
638 for (int i = 0; i < iLen; i++) { // data in hex
639 sprintf(&hexout[i * 3], "%02X ", recv[i]);
640 }
641 PrintAndLog("%s", hexout);
642 free(hexout);
643 } else {
644 PrintAndLog("malloc failed your client has low memory?");
645 }
646 } else {
647 PrintAndLog("timeout while waiting for reply.");
648 }
649 }
650
651 static command_t CommandTable[] =
652 {
653 {"help", CmdHelp, 1, "This help"},
654 {"list", CmdHF14AList, 0, "List ISO 14443a history"},
655 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
656 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
657 {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
658 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
659 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
660 {NULL, NULL, 0, NULL}
661 };
662
663 int CmdHF14A(const char *Cmd) {
664 // flush
665 WaitForResponseTimeout(CMD_ACK,NULL,100);
666
667 // parse
668 CmdsParse(CommandTable, Cmd);
669 return 0;
670 }
671
672 int CmdHelp(const char *Cmd)
673 {
674 CmdsHelp(CommandTable);
675 return 0;
676 }
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