git.zerfleddert.de Git - proxmark3-svn/blob - 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         PrintAndLog("Deprecated command, use 'hf list 14a' instead");
  33         return 0;
  34 }
  35
  36 void iso14a_set_timeout(uint32_t timeout) {
  37         UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
  38         SendCommand(&c);
  39 }
  40
  41 int CmdHF14AReader(const char *Cmd)
  42 {
  43         UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
  44         SendCommand(&c);
  45
  46         UsbCommand resp;
  47         WaitForResponse(CMD_ACK,&resp);
  48
  49         iso14a_card_select_t card;
  50         memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
  51
  52         uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
  53
  54         if(select_status == 0) {
  55                 PrintAndLog("iso14443a card select failed");
  56                 // disconnect
  57                 c.arg[0] = 0;
  58                 c.arg[1] = 0;
  59                 c.arg[2] = 0;
  60                 SendCommand(&c);
  61                 return 0;
  62         }
  63
  64         PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
  65         PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
  66         PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
  67
  68         switch (card.sak) {
  69                 case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
  70                 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
  71                 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
  72                 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
  73                 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
  74                 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
  75                 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
  76                 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
  77                 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
  78                 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
  79                 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
  80                 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
  81                 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
  82                 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
  83                 default: ;
  84         }
  85
  86
  87         // try to request ATS even if tag claims not to support it
  88         if (select_status == 2) {
  89                 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
  90                 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
  91                 c.arg[1] = 2;
  92                 c.arg[2] = 0;
  93                 memcpy(c.d.asBytes, rats, 2);
  94                 SendCommand(&c);
  95                 WaitForResponse(CMD_ACK,&resp);
  96
  97             memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
  98                 card.ats_len = resp.arg[0];                             // note: ats_len includes CRC Bytes
  99         }
 100
 101         // disconnect
 102         c.arg[0] = 0;
 103         c.arg[1] = 0;
 104         c.arg[2] = 0;
 105         SendCommand(&c);
 106
 107
 108         if(card.ats_len >= 3) {                 // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
 109                 bool ta1 = 0, tb1 = 0, tc1 = 0;
 110                 int pos;
 111
 112                 if (select_status == 2) {
 113                         PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
 114                 }
 115                 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
 116                 PrintAndLog("       -  TL : length is %d bytes", card.ats[0]);
 117                 if (card.ats[0] != card.ats_len - 2) {
 118                         PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
 119                 }
 120
 121                 if (card.ats[0] > 1) {          // there is a format byte (T0)
 122                         ta1 = (card.ats[1] & 0x10) == 0x10;
 123                         tb1 = (card.ats[1] & 0x20) == 0x20;
 124                         tc1 = (card.ats[1] & 0x40) == 0x40;
 125                         int16_t fsci = card.ats[1] & 0x0f;
 126                         PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
 127                                         "TC1 is%s present, FSCI is %d (FSC = %ld)",
 128                                 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
 129                                 fsci,
 130                                 fsci < 5 ? (fsci - 2) * 8 :
 131                                         fsci < 8 ? (fsci - 3) * 32 :
 132                                         fsci == 8 ? 256 :
 133                                         -1
 134                                 );
 135                 }
 136                 pos = 2;
 137                 if (ta1) {
 138                         char dr[16], ds[16];
 139                         dr[0] = ds[0] = '\0';
 140                         if (card.ats[pos] & 0x10) strcat(ds, "2, ");
 141                         if (card.ats[pos] & 0x20) strcat(ds, "4, ");
 142                         if (card.ats[pos] & 0x40) strcat(ds, "8, ");
 143                         if (card.ats[pos] & 0x01) strcat(dr, "2, ");
 144                         if (card.ats[pos] & 0x02) strcat(dr, "4, ");
 145                         if (card.ats[pos] & 0x04) strcat(dr, "8, ");
 146                         if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
 147                         if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
 148                         PrintAndLog("       - TA1 : different divisors are%s supported, "
 149                                         "DR: [%s], DS: [%s]",
 150                                         (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
 151                         pos++;
 152                 }
 153                 if (tb1) {
 154                         uint32_t sfgi = card.ats[pos] & 0x0F;
 155                         uint32_t fwi = card.ats[pos] >> 4;
 156                         PrintAndLog("       - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
 157                                         (sfgi),
 158                                         sfgi ? "" : "(not needed) ",
 159                                         sfgi ? (1 << 12) << sfgi : 0,
 160                                         fwi,
 161                                         (1 << 12) << fwi
 162                                         );
 163                         pos++;
 164                 }
 165                 if (tc1) {
 166                         PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
 167                                         (card.ats[pos] & 0x01) ? "" : " NOT",
 168                                         (card.ats[pos] & 0x02) ? "" : " NOT");
 169                         pos++;
 170                 }
 171                 if (card.ats[0] > pos) {
 172                         char *tip = "";
 173                         if (card.ats[0] - pos >= 7) {
 174                                 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
 175                                         tip = "-> MIFARE Plus X 2K or 4K";
 176                                 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
 177                                         tip = "-> MIFARE Plus S 2K or 4K";
 178                                 }
 179                         }
 180                         PrintAndLog("       -  HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
 181                         if (card.ats[pos] == 0xC1) {
 182                                 PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
 183                                 PrintAndLog("                  %02x -> Length is %d bytes",
 184                                                 card.ats[pos + 1], card.ats[pos + 1]);
 185                                 switch (card.ats[pos + 2] & 0xf0) {
 186                                         case 0x10:
 187                                                 PrintAndLog("                     1x -> MIFARE DESFire");
 188                                                 break;
 189                                         case 0x20:
 190                                                 PrintAndLog("                     2x -> MIFARE Plus");
 191                                                 break;
 192                                 }
 193                                 switch (card.ats[pos + 2] & 0x0f) {
 194                                         case 0x00:
 195                                                 PrintAndLog("                     x0 -> <1 kByte");
 196                                                 break;
 197                                         case 0x01:
 198                                                 PrintAndLog("                     x0 -> 1 kByte");
 199                                                 break;
 200                                         case 0x02:
 201                                                 PrintAndLog("                     x0 -> 2 kByte");
 202                                                 break;
 203                                         case 0x03:
 204                                                 PrintAndLog("                     x0 -> 4 kByte");
 205                                                 break;
 206                                         case 0x04:
 207                                                 PrintAndLog("                     x0 -> 8 kByte");
 208                                                 break;
 209                                 }
 210                                 switch (card.ats[pos + 3] & 0xf0) {
 211                                         case 0x00:
 212                                                 PrintAndLog("                        0x -> Engineering sample");
 213                                                 break;
 214                                         case 0x20:
 215                                                 PrintAndLog("                        2x -> Released");
 216                                                 break;
 217                                 }
 218                                 switch (card.ats[pos + 3] & 0x0f) {
 219                                         case 0x00:
 220                                                 PrintAndLog("                        x0 -> Generation 1");
 221                                                 break;
 222                                         case 0x01:
 223                                                 PrintAndLog("                        x1 -> Generation 2");
 224                                                 break;
 225                                         case 0x02:
 226                                                 PrintAndLog("                        x2 -> Generation 3");
 227                                                 break;
 228                                 }
 229                                 switch (card.ats[pos + 4] & 0x0f) {
 230                                         case 0x00:
 231                                                 PrintAndLog("                           x0 -> Only VCSL supported");
 232                                                 break;
 233                                         case 0x01:
 234                                                 PrintAndLog("                           x1 -> VCS, VCSL, and SVC supported");
 235                                                 break;
 236                                         case 0x0E:
 237                                                 PrintAndLog("                           xE -> no VCS command supported");
 238                                                 break;
 239                                 }
 240                         }
 241                 }
 242         } else {
 243                 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
 244         }
 245
 246         return select_status;
 247 }
 248
 249 // Collect ISO14443 Type A UIDs
 250 int CmdHF14ACUIDs(const char *Cmd)
 251 {
 252         // requested number of UIDs
 253         int n = atoi(Cmd);
 254         // collect at least 1 (e.g. if no parameter was given)
 255         n = n > 0 ? n : 1;
 256
 257         PrintAndLog("Collecting %d UIDs", n);
 258         PrintAndLog("Start: %u", time(NULL));
 259         // repeat n times
 260         for (int i = 0; i < n; i++) {
 261                 // execute anticollision procedure
 262                 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
 263                 SendCommand(&c);
 264
 265                 UsbCommand resp;
 266                 WaitForResponse(CMD_ACK,&resp);
 267
 268                 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
 269
 270                 // check if command failed
 271                 if (resp.arg[0] == 0) {
 272                         PrintAndLog("Card select failed.");
 273                 } else {
 274                         char uid_string[20];
 275                         for (uint16_t i = 0; i < card->uidlen; i++) {
 276                                 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
 277                         }
 278                         PrintAndLog("%s", uid_string);
 279                 }
 280         }
 281         PrintAndLog("End: %u", time(NULL));
 282
 283         return 1;
 284 }
 285
 286 // ## simulate iso14443a tag
 287 // ## greg - added ability to specify tag UID
 288 int CmdHF14ASim(const char *Cmd)
 289 {
 290         UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
 291
 292         // Retrieve the tag type
 293         uint8_t tagtype = param_get8ex(Cmd,0,0,10);
 294
 295         // When no argument was given, just print help message
 296         if (tagtype == 0) {
 297                 PrintAndLog("");
 298                 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
 299                 PrintAndLog("");
 300                 PrintAndLog("   syntax: hf 14a sim <type> <uid>");
 301                 PrintAndLog("    types: 1 = MIFARE Classic");
 302                 PrintAndLog("           2 = MIFARE Ultralight");
 303                 PrintAndLog("           3 = MIFARE DESFIRE");
 304                 PrintAndLog("           4 = ISO/IEC 14443-4");
 305                 PrintAndLog("           5 = MIFARE TNP3XXX");
 306                 PrintAndLog("");
 307                 return 1;
 308         }
 309
 310         // Store the tag type
 311         c.arg[0] = tagtype;
 312
 313         // Retrieve the full 4 or 7 byte long uid
 314         uint64_t long_uid = param_get64ex(Cmd,1,0,16);
 315
 316         // Are we handling the (optional) second part uid?
 317         if (long_uid > 0xffffffff) {
 318                 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
 319                 // Store the second part
 320                 c.arg[2] = (long_uid & 0xffffffff);
 321                 long_uid >>= 32;
 322                 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
 323                 c.arg[1] = (long_uid & 0xffffff);
 324         } else {
 325                 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
 326                 // Only store the first part
 327                 c.arg[1] = long_uid & 0xffffffff;
 328         }
 329 /*
 330                 // At lease save the mandatory first part of the UID
 331                 c.arg[0] = long_uid & 0xffffffff;
 332
 333         if (c.arg[1] == 0) {
 334                 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
 335         }
 336
 337         switch (c.arg[0]) {
 338                 case 1: {
 339                         PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
 340                         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)};
 341                 } break;
 342                 case 2: {
 343                         PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
 344                 } break;
 345                 default: {
 346                         PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
 347                         PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
 348                         PrintAndLog(" type1: 4 ",c.arg[0]);
 349
 350                         return 1;
 351                 } break;
 352         }
 353 */
 354 /*
 355   unsigned int hi = 0, lo = 0;
 356   int n = 0, i = 0;
 357   while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
 358     hi= (hi << 4) | (lo >> 28);
 359     lo= (lo << 4) | (n & 0xf);
 360   }
 361 */
 362 //      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)};
 363 //  PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
 364   SendCommand(&c);
 365   return 0;
 366 }
 367
 368 int CmdHF14ASnoop(const char *Cmd) {
 369         int param = 0;
 370
 371         if (param_getchar(Cmd, 0) == 'h') {
 372                 PrintAndLog("It get data from the field and saves it into command buffer.");
 373                 PrintAndLog("Buffer accessible from command hf list 14a.");
 374                 PrintAndLog("Usage:  hf 14a snoop [c][r]");
 375                 PrintAndLog("c - triggered by first data from card");
 376                 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
 377                 PrintAndLog("sample: hf 14a snoop c r");
 378                 return 0;
 379         }
 380
 381         for (int i = 0; i < 2; i++) {
 382                 char ctmp = param_getchar(Cmd, i);
 383                 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
 384                 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
 385         }
 386
 387   UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
 388   SendCommand(&c);
 389   return 0;
 390 }
 391
 392 int CmdHF14ACmdRaw(const char *cmd) {
 393     UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
 394     uint8_t reply=1;
 395     uint8_t crc=0;
 396     uint8_t power=0;
 397     uint8_t active=0;
 398     uint8_t active_select=0;
 399     uint16_t numbits=0;
 400     char buf[5]="";
 401     int i=0;
 402     uint8_t data[100];
 403     unsigned int datalen=0, temp;
 404
 405     if (strlen(cmd)<2) {
 406         PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
 407         PrintAndLog("       -r    do not read response");
 408         PrintAndLog("       -c    calculate and append CRC");
 409         PrintAndLog("       -p    leave the signal field ON after receive");
 410         PrintAndLog("       -a    active signal field ON without select");
 411         PrintAndLog("       -s    active signal field ON with select");
 412         PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
 413         return 0;
 414     }
 415
 416     // strip
 417     while (*cmd==' ' || *cmd=='\t') cmd++;
 418
 419     while (cmd[i]!='\0') {
 420         if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
 421         if (cmd[i]=='-') {
 422             switch (cmd[i+1]) {
 423                 case 'r':
 424                     reply=0;
 425                     break;
 426                 case 'c':
 427                     crc=1;
 428                     break;
 429                 case 'p':
 430                     power=1;
 431                     break;
 432                 case 'a':
 433                     active=1;
 434                     break;
 435                 case 's':
 436                     active_select=1;
 437                     break;
 438                 case 'b':
 439                     sscanf(cmd+i+2,"%d",&temp);
 440                     numbits = temp & 0xFFFF;
 441                     i+=3;
 442                     while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 443                     i-=2;
 444                     break;
 445                 default:
 446                     PrintAndLog("Invalid option");
 447                     return 0;
 448             }
 449             i+=2;
 450             continue;
 451         }
 452         if ((cmd[i]>='0' && cmd[i]<='9') ||
 453             (cmd[i]>='a' && cmd[i]<='f') ||
 454             (cmd[i]>='A' && cmd[i]<='F') ) {
 455             buf[strlen(buf)+1]=0;
 456             buf[strlen(buf)]=cmd[i];
 457             i++;
 458
 459             if (strlen(buf)>=2) {
 460                 sscanf(buf,"%x",&temp);
 461                 data[datalen]=(uint8_t)(temp & 0xff);
 462                 datalen++;
 463                 *buf=0;
 464             }
 465             continue;
 466         }
 467         PrintAndLog("Invalid char on input");
 468         return 0;
 469     }
 470     if(crc && datalen>0)
 471     {
 472         uint8_t first, second;
 473         ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
 474         data[datalen++] = first;
 475         data[datalen++] = second;
 476     }
 477
 478     if(active || active_select)
 479     {
 480         c.arg[0] |= ISO14A_CONNECT;
 481         if(active)
 482             c.arg[0] |= ISO14A_NO_SELECT;
 483     }
 484     if(power)
 485         c.arg[0] |= ISO14A_NO_DISCONNECT;
 486     if(datalen>0)
 487         c.arg[0] |= ISO14A_RAW;
 488
 489     c.arg[1] = datalen;
 490     c.arg[2] = numbits;
 491     memcpy(c.d.asBytes,data,datalen);
 492
 493     SendCommand(&c);
 494
 495     if (reply) {
 496         if(active_select)
 497             waitCmd(1);
 498         if(datalen>0)
 499             waitCmd(0);
 500     } // if reply
 501     return 0;
 502 }
 503
 504 static void waitCmd(uint8_t iSelect)
 505 {
 506     uint8_t *recv;
 507     UsbCommand resp;
 508     char *hexout;
 509
 510     if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
 511         recv = resp.d.asBytes;
 512         uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
 513         PrintAndLog("received %i octets",iLen);
 514         if(!iLen)
 515             return;
 516         hexout = (char *)malloc(iLen * 3 + 1);
 517         if (hexout != NULL) {
 518             for (int i = 0; i < iLen; i++) { // data in hex
 519                 sprintf(&hexout[i * 3], "%02X ", recv[i]);
 520             }
 521             PrintAndLog("%s", hexout);
 522             free(hexout);
 523         } else {
 524             PrintAndLog("malloc failed your client has low memory?");
 525         }
 526     } else {
 527         PrintAndLog("timeout while waiting for reply.");
 528     }
 529 }
 530
 531 static command_t CommandTable[] =
 532 {
 533   {"help",   CmdHelp,              1, "This help"},
 534   {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
 535   {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
 536   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
 537   {"sim",    CmdHF14ASim,          0, "<UID> -- Fake ISO 14443a tag"},
 538   {"snoop",  CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
 539   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
 540   {NULL, NULL, 0, NULL}
 541 };
 542
 543 int CmdHF14A(const char *Cmd) {
 544         // flush
 545         WaitForResponseTimeout(CMD_ACK,NULL,100);
 546
 547         // parse
 548   CmdsParse(CommandTable, Cmd);
 549   return 0;
 550 }
 551
 552 int CmdHelp(const char *Cmd)
 553 {
 554   CmdsHelp(CommandTable);
 555   return 0;
 556 }