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 // structure and database for uid -> tagtype lookups
  31 typedef struct {
  32         uint8_t uid;
  33         char* desc;
  34 } manufactureName;
  35
  36 const manufactureName manufactureMapping[] = {
  37         // ID,  "Vendor Country"
  38         { 0x01, "Motorola UK" },
  39         { 0x02, "ST Microelectronics SA France" },
  40         { 0x03, "Hitachi, Ltd Japan" },
  41         { 0x04, "NXP Semiconductors Germany" },
  42         { 0x05, "Infineon Technologies AG Germany" },
  43         { 0x06, "Cylink USA" },
  44         { 0x07, "Texas Instrument France" },
  45         { 0x08, "Fujitsu Limited Japan" },
  46         { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
  47         { 0x0A, "NEC Japan" },
  48         { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
  49         { 0x0C, "Toshiba Corp. Japan" },
  50         { 0x0D, "Mitsubishi Electric Corp. Japan" },
  51         { 0x0E, "Samsung Electronics Co. Ltd Korea" },
  52         { 0x0F, "Hynix / Hyundai, Korea" },
  53         { 0x10, "LG-Semiconductors Co. Ltd Korea" },
  54         { 0x11, "Emosyn-EM Microelectronics USA" },
  55         { 0x12, "INSIDE Technology France" },
  56         { 0x13, "ORGA Kartensysteme GmbH Germany" },
  57         { 0x14, "SHARP Corporation Japan" },
  58         { 0x15, "ATMEL France" },
  59         { 0x16, "EM Microelectronic-Marin SA Switzerland" },
  60         { 0x17, "KSW Microtec GmbH Germany" },
  61         { 0x18, "ZMD AG Germany" },
  62         { 0x19, "XICOR, Inc. USA" },
  63         { 0x1A, "Sony Corporation Japan Identifier Company Country" },
  64         { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
  65         { 0x1C, "Emosyn USA" },
  66         { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
  67         { 0x1E, "Magellan Technology Pty Limited Australia" },
  68         { 0x1F, "Melexis NV BO Switzerland" },
  69         { 0x20, "Renesas Technology Corp. Japan" },
  70         { 0x21, "TAGSYS France" },
  71         { 0x22, "Transcore USA" },
  72         { 0x23, "Shanghai belling corp., ltd. China" },
  73         { 0x24, "Masktech Germany Gmbh Germany" },
  74         { 0x25, "Innovision Research and Technology Plc UK" },
  75         { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
  76         { 0x27, "Cypak AB Sweden" },
  77         { 0x28, "Ricoh Japan" },
  78         { 0x29, "ASK France" },
  79         { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
  80         { 0x2B, "Dallas Semiconductor/Maxim USA" },
  81         { 0x2C, "Impinj, Inc. USA" },
  82         { 0x2D, "RightPlug Alliance USA" },
  83         { 0x2E, "Broadcom Corporation USA" },
  84         { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
  85         { 0x30, "BeeDar Technology Inc. USA" },
  86         { 0x31, "RFIDsec Denmark" },
  87         { 0x32, "Schweizer Electronic AG Germany" },
  88         { 0x33, "AMIC Technology Corp Taiwan" },
  89         { 0x34, "Mikron JSC Russia" },
  90         { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
  91         { 0x36, "IDS Microchip AG Switzerland" },
  92         { 0x37, "Kovio USA" },
  93         { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
  94         { 0x39, "Silicon Craft Technology Thailand" },
  95         { 0x3A, "Advanced Film Device Inc. Japan" },
  96         { 0x3B, "Nitecrest Ltd UK" },
  97         { 0x3C, "Verayo Inc. USA" },
  98         { 0x3D, "HID Global USA" },
  99         { 0x3E, "Productivity Engineering Gmbh Germany" },
 100         { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
 101         { 0x40, "Gemalto SA France" },
 102         { 0x41, "Renesas Electronics Corporation Japan" },
 103         { 0x42, "3Alogics Inc Korea" },
 104         { 0x43, "Top TroniQ Asia Limited Hong Kong" },
 105         { 0x44, "Gentag Inc (USA) USA" },
 106         { 0x00, "no tag-info available" } // must be the last entry
 107 };
 108
 109
 110 // get a product description based on the UID
 111 //              uid[8]  tag uid
 112 // returns description of the best match
 113 char* getTagInfo(uint8_t uid) {
 114
 115         int i;
 116         int len = sizeof(manufactureMapping) / sizeof(manufactureName);
 117
 118         for ( i = 0; i < len; ++i )
 119                 if ( uid == manufactureMapping[i].uid)
 120                         return manufactureMapping[i].desc;
 121
 122         //No match, return default
 123         return manufactureMapping[len-1].desc;
 124 }
 125
 126 int CmdHF14AList(const char *Cmd)
 127 {
 128         PrintAndLog("Deprecated command, use 'hf list 14a' instead");
 129         return 0;
 130 }
 131
 132 int CmdHF14AReader(const char *Cmd)
 133 {
 134         UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
 135         SendCommand(&c);
 136
 137         UsbCommand resp;
 138         WaitForResponse(CMD_ACK,&resp);
 139
 140         iso14a_card_select_t card;
 141         memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 142
 143         uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
 144
 145         if(select_status == 0) {
 146                 PrintAndLog("iso14443a card select failed");
 147                 // disconnect
 148                 c.arg[0] = 0;
 149                 c.arg[1] = 0;
 150                 c.arg[2] = 0;
 151                 SendCommand(&c);
 152                 return 0;
 153         }
 154
 155         if(select_status == 3) {
 156                 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
 157                 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
 158                 // disconnect
 159                 c.arg[0] = 0;
 160                 c.arg[1] = 0;
 161                 c.arg[2] = 0;
 162                 SendCommand(&c);
 163                 return 0;
 164         }
 165
 166
 167         PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
 168         PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
 169         PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
 170
 171         // Double & triple sized UID, can be mapped to a manufacturer.
 172         // HACK: does this apply for Ultralight cards?
 173         if ( card.uidlen > 4 ) {
 174                 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
 175         }
 176
 177         switch (card.sak) {
 178                 case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
 179                 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
 180                 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
 181                 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
 182                 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
 183                 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
 184                 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
 185                 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
 186                 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
 187                 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
 188                 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
 189                 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
 190                 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
 191                 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
 192                 default: ;
 193         }
 194
 195         // try to request ATS even if tag claims not to support it
 196         if (select_status == 2) {
 197                 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
 198                 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
 199                 c.arg[1] = 2;
 200                 c.arg[2] = 0;
 201                 memcpy(c.d.asBytes, rats, 2);
 202                 SendCommand(&c);
 203                 WaitForResponse(CMD_ACK,&resp);
 204
 205             memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
 206                 card.ats_len = resp.arg[0];                             // note: ats_len includes CRC Bytes
 207         }
 208
 209         if(card.ats_len >= 3) {                 // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
 210                 bool ta1 = 0, tb1 = 0, tc1 = 0;
 211                 int pos;
 212
 213                 if (select_status == 2) {
 214                         PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
 215                 }
 216                 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
 217                 PrintAndLog("       -  TL : length is %d bytes", card.ats[0]);
 218                 if (card.ats[0] != card.ats_len - 2) {
 219                         PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
 220                 }
 221
 222                 if (card.ats[0] > 1) {          // there is a format byte (T0)
 223                         ta1 = (card.ats[1] & 0x10) == 0x10;
 224                         tb1 = (card.ats[1] & 0x20) == 0x20;
 225                         tc1 = (card.ats[1] & 0x40) == 0x40;
 226                         int16_t fsci = card.ats[1] & 0x0f;
 227                         PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
 228                                         "TC1 is%s present, FSCI is %d (FSC = %ld)",
 229                                 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
 230                                 fsci,
 231                                 fsci < 5 ? (fsci - 2) * 8 :
 232                                         fsci < 8 ? (fsci - 3) * 32 :
 233                                         fsci == 8 ? 256 :
 234                                         -1
 235                                 );
 236                 }
 237                 pos = 2;
 238                 if (ta1) {
 239                         char dr[16], ds[16];
 240                         dr[0] = ds[0] = '\0';
 241                         if (card.ats[pos] & 0x10) strcat(ds, "2, ");
 242                         if (card.ats[pos] & 0x20) strcat(ds, "4, ");
 243                         if (card.ats[pos] & 0x40) strcat(ds, "8, ");
 244                         if (card.ats[pos] & 0x01) strcat(dr, "2, ");
 245                         if (card.ats[pos] & 0x02) strcat(dr, "4, ");
 246                         if (card.ats[pos] & 0x04) strcat(dr, "8, ");
 247                         if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
 248                         if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
 249                         PrintAndLog("       - TA1 : different divisors are%s supported, "
 250                                         "DR: [%s], DS: [%s]",
 251                                         (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
 252                         pos++;
 253                 }
 254                 if (tb1) {
 255                         uint32_t sfgi = card.ats[pos] & 0x0F;
 256                         uint32_t fwi = card.ats[pos] >> 4;
 257                         PrintAndLog("       - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
 258                                         (sfgi),
 259                                         sfgi ? "" : "(not needed) ",
 260                                         sfgi ? (1 << 12) << sfgi : 0,
 261                                         fwi,
 262                                         (1 << 12) << fwi
 263                                         );
 264                         pos++;
 265                 }
 266                 if (tc1) {
 267                         PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
 268                                         (card.ats[pos] & 0x01) ? "" : " NOT",
 269                                         (card.ats[pos] & 0x02) ? "" : " NOT");
 270                         pos++;
 271                 }
 272                 if (card.ats[0] > pos) {
 273                         char *tip = "";
 274                         if (card.ats[0] - pos >= 7) {
 275                                 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
 276                                         tip = "-> MIFARE Plus X 2K or 4K";
 277                                 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
 278                                         tip = "-> MIFARE Plus S 2K or 4K";
 279                                 }
 280                         }
 281                         PrintAndLog("       -  HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
 282                         if (card.ats[pos] == 0xC1) {
 283                                 PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
 284                                 PrintAndLog("                  %02x -> Length is %d bytes",
 285                                                 card.ats[pos + 1], card.ats[pos + 1]);
 286                                 switch (card.ats[pos + 2] & 0xf0) {
 287                                         case 0x10:
 288                                                 PrintAndLog("                     1x -> MIFARE DESFire");
 289                                                 break;
 290                                         case 0x20:
 291                                                 PrintAndLog("                     2x -> MIFARE Plus");
 292                                                 break;
 293                                 }
 294                                 switch (card.ats[pos + 2] & 0x0f) {
 295                                         case 0x00:
 296                                                 PrintAndLog("                     x0 -> <1 kByte");
 297                                                 break;
 298                                         case 0x01:
 299                                                 PrintAndLog("                     x0 -> 1 kByte");
 300                                                 break;
 301                                         case 0x02:
 302                                                 PrintAndLog("                     x0 -> 2 kByte");
 303                                                 break;
 304                                         case 0x03:
 305                                                 PrintAndLog("                     x0 -> 4 kByte");
 306                                                 break;
 307                                         case 0x04:
 308                                                 PrintAndLog("                     x0 -> 8 kByte");
 309                                                 break;
 310                                 }
 311                                 switch (card.ats[pos + 3] & 0xf0) {
 312                                         case 0x00:
 313                                                 PrintAndLog("                        0x -> Engineering sample");
 314                                                 break;
 315                                         case 0x20:
 316                                                 PrintAndLog("                        2x -> Released");
 317                                                 break;
 318                                 }
 319                                 switch (card.ats[pos + 3] & 0x0f) {
 320                                         case 0x00:
 321                                                 PrintAndLog("                        x0 -> Generation 1");
 322                                                 break;
 323                                         case 0x01:
 324                                                 PrintAndLog("                        x1 -> Generation 2");
 325                                                 break;
 326                                         case 0x02:
 327                                                 PrintAndLog("                        x2 -> Generation 3");
 328                                                 break;
 329                                 }
 330                                 switch (card.ats[pos + 4] & 0x0f) {
 331                                         case 0x00:
 332                                                 PrintAndLog("                           x0 -> Only VCSL supported");
 333                                                 break;
 334                                         case 0x01:
 335                                                 PrintAndLog("                           x1 -> VCS, VCSL, and SVC supported");
 336                                                 break;
 337                                         case 0x0E:
 338                                                 PrintAndLog("                           xE -> no VCS command supported");
 339                                                 break;
 340                                 }
 341                         }
 342                 }
 343         } else {
 344                 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
 345         }
 346
 347
 348         // try to see if card responses to "chinese magic backdoor" commands.
 349         c.cmd = CMD_MIFARE_CIDENT;
 350         c.arg[0] = 0;
 351         c.arg[1] = 0;
 352         c.arg[2] = 0;
 353         SendCommand(&c);
 354         WaitForResponse(CMD_ACK,&resp);
 355         uint8_t isOK  = resp.arg[0] & 0xff;
 356         PrintAndLog("Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
 357
 358         // disconnect
 359         c.cmd = CMD_READER_ISO_14443a;
 360         c.arg[0] = 0;
 361         c.arg[1] = 0;
 362         c.arg[2] = 0;
 363         SendCommand(&c);
 364
 365         return select_status;
 366 }
 367
 368 // Collect ISO14443 Type A UIDs
 369 int CmdHF14ACUIDs(const char *Cmd)
 370 {
 371         // requested number of UIDs
 372         int n = atoi(Cmd);
 373         // collect at least 1 (e.g. if no parameter was given)
 374         n = n > 0 ? n : 1;
 375
 376         PrintAndLog("Collecting %d UIDs", n);
 377         PrintAndLog("Start: %u", time(NULL));
 378         // repeat n times
 379         for (int i = 0; i < n; i++) {
 380                 // execute anticollision procedure
 381                 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
 382                 SendCommand(&c);
 383
 384                 UsbCommand resp;
 385                 WaitForResponse(CMD_ACK,&resp);
 386
 387                 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
 388
 389                 // check if command failed
 390                 if (resp.arg[0] == 0) {
 391                         PrintAndLog("Card select failed.");
 392                 } else {
 393                         char uid_string[20];
 394                         for (uint16_t i = 0; i < card->uidlen; i++) {
 395                                 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
 396                         }
 397                         PrintAndLog("%s", uid_string);
 398                 }
 399         }
 400         PrintAndLog("End: %u", time(NULL));
 401
 402         return 1;
 403 }
 404
 405 // ## simulate iso14443a tag
 406 // ## greg - added ability to specify tag UID
 407 int CmdHF14ASim(const char *Cmd)
 408 {
 409         UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
 410
 411         // Retrieve the tag type
 412         uint8_t tagtype = param_get8ex(Cmd,0,0,10);
 413
 414         // When no argument was given, just print help message
 415         if (tagtype == 0) {
 416                 PrintAndLog("");
 417                 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
 418                 PrintAndLog("");
 419                 PrintAndLog("   syntax: hf 14a sim <type> <uid>");
 420                 PrintAndLog("    types: 1 = MIFARE Classic");
 421                 PrintAndLog("           2 = MIFARE Ultralight");
 422                 PrintAndLog("           3 = MIFARE Desfire");
 423                 PrintAndLog("           4 = ISO/IEC 14443-4");
 424                 PrintAndLog("           5 = MIFARE Tnp3xxx");
 425                 PrintAndLog("");
 426                 return 1;
 427         }
 428
 429         // Store the tag type
 430         c.arg[0] = tagtype;
 431
 432         // Retrieve the full 4 or 7 byte long uid
 433         uint64_t long_uid = param_get64ex(Cmd,1,0,16);
 434
 435         // Are we handling the (optional) second part uid?
 436         if (long_uid > 0xffffffff) {
 437                 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
 438                 // Store the second part
 439                 c.arg[2] = (long_uid & 0xffffffff);
 440                 long_uid >>= 32;
 441                 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
 442                 c.arg[1] = (long_uid & 0xffffff);
 443         } else {
 444                 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
 445                 // Only store the first part
 446                 c.arg[1] = long_uid & 0xffffffff;
 447         }
 448 /*
 449                 // At lease save the mandatory first part of the UID
 450                 c.arg[0] = long_uid & 0xffffffff;
 451
 452         if (c.arg[1] == 0) {
 453                 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
 454         }
 455
 456         switch (c.arg[0]) {
 457                 case 1: {
 458                         PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
 459                         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)};
 460                 } break;
 461                 case 2: {
 462                         PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
 463                 } break;
 464                 default: {
 465                         PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
 466                         PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
 467                         PrintAndLog(" type1: 4 ",c.arg[0]);
 468
 469                         return 1;
 470                 } break;
 471         }
 472 */
 473 /*
 474   unsigned int hi = 0, lo = 0;
 475   int n = 0, i = 0;
 476   while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
 477     hi= (hi << 4) | (lo >> 28);
 478     lo= (lo << 4) | (n & 0xf);
 479   }
 480 */
 481 //      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)};
 482 //  PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
 483   SendCommand(&c);
 484   return 0;
 485 }
 486
 487 int CmdHF14ASnoop(const char *Cmd) {
 488         int param = 0;
 489
 490         uint8_t ctmp = param_getchar(Cmd, 0) ;
 491         if (ctmp == 'h' || ctmp == 'H') {
 492                 PrintAndLog("It get data from the field and saves it into command buffer.");
 493                 PrintAndLog("Buffer accessible from command hf list 14a.");
 494                 PrintAndLog("Usage:  hf 14a snoop [c][r]");
 495                 PrintAndLog("c - triggered by first data from card");
 496                 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
 497                 PrintAndLog("sample: hf 14a snoop c r");
 498                 return 0;
 499         }
 500
 501         for (int i = 0; i < 2; i++) {
 502                 ctmp = param_getchar(Cmd, i);
 503                 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
 504                 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
 505         }
 506
 507   UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
 508   SendCommand(&c);
 509   return 0;
 510 }
 511
 512
 513 int CmdHF14ACmdRaw(const char *cmd) {
 514     UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
 515     bool reply=1;
 516     bool crc = FALSE;
 517     bool power = FALSE;
 518     bool active = FALSE;
 519     bool active_select = FALSE;
 520     uint16_t numbits = 0;
 521         bool bTimeout = FALSE;
 522         uint32_t timeout = 0;
 523         bool topazmode = FALSE;
 524     char buf[5]="";
 525     int i = 0;
 526     uint8_t data[USB_CMD_DATA_SIZE];
 527         uint16_t datalen = 0;
 528         uint32_t temp;
 529
 530     if (strlen(cmd)<2) {
 531         PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
 532         PrintAndLog("       -r    do not read response");
 533         PrintAndLog("       -c    calculate and append CRC");
 534         PrintAndLog("       -p    leave the signal field ON after receive");
 535         PrintAndLog("       -a    active signal field ON without select");
 536         PrintAndLog("       -s    active signal field ON with select");
 537         PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
 538                 PrintAndLog("       -t    timeout in ms");
 539                 PrintAndLog("       -T    use Topaz protocol to send command");
 540         return 0;
 541     }
 542
 543
 544     // strip
 545     while (*cmd==' ' || *cmd=='\t') cmd++;
 546
 547     while (cmd[i]!='\0') {
 548         if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
 549         if (cmd[i]=='-') {
 550             switch (cmd[i+1]) {
 551                 case 'r':
 552                     reply = FALSE;
 553                     break;
 554                 case 'c':
 555                     crc = TRUE;
 556                     break;
 557                 case 'p':
 558                     power = TRUE;
 559                     break;
 560                 case 'a':
 561                     active = TRUE;
 562                     break;
 563                 case 's':
 564                     active_select = TRUE;
 565                     break;
 566                 case 'b':
 567                     sscanf(cmd+i+2,"%d",&temp);
 568                     numbits = temp & 0xFFFF;
 569                     i+=3;
 570                     while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 571                     i-=2;
 572                     break;
 573                                 case 't':
 574                                         bTimeout = TRUE;
 575                                         sscanf(cmd+i+2,"%d",&temp);
 576                                         timeout = temp;
 577                                         i+=3;
 578                                         while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 579                                         i-=2;
 580                                         break;
 581                 case 'T':
 582                                         topazmode = TRUE;
 583                                         break;
 584                 default:
 585                     PrintAndLog("Invalid option");
 586                     return 0;
 587             }
 588             i+=2;
 589             continue;
 590         }
 591         if ((cmd[i]>='0' && cmd[i]<='9') ||
 592             (cmd[i]>='a' && cmd[i]<='f') ||
 593             (cmd[i]>='A' && cmd[i]<='F') ) {
 594             buf[strlen(buf)+1]=0;
 595             buf[strlen(buf)]=cmd[i];
 596             i++;
 597
 598             if (strlen(buf)>=2) {
 599                 sscanf(buf,"%x",&temp);
 600                 data[datalen]=(uint8_t)(temp & 0xff);
 601                 *buf=0;
 602                                 if (++datalen>sizeof(data)){
 603                                         if (crc)
 604                                                 PrintAndLog("Buffer is full, we can't add CRC to your data");
 605                                         break;
 606                                 }
 607             }
 608             continue;
 609         }
 610         PrintAndLog("Invalid char on input");
 611         return 0;
 612     }
 613
 614     if(crc && datalen>0 && datalen<sizeof(data)-2)
 615     {
 616         uint8_t first, second;
 617                 if (topazmode) {
 618                         ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
 619                 } else {
 620                         ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
 621                 }
 622         data[datalen++] = first;
 623         data[datalen++] = second;
 624     }
 625
 626     if(active || active_select)
 627     {
 628         c.arg[0] |= ISO14A_CONNECT;
 629         if(active)
 630             c.arg[0] |= ISO14A_NO_SELECT;
 631     }
 632
 633         if(bTimeout){
 634             #define MAX_TIMEOUT 40542464        // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
 635         c.arg[0] |= ISO14A_SET_TIMEOUT;
 636         if(timeout > MAX_TIMEOUT) {
 637             timeout = MAX_TIMEOUT;
 638             PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
 639         }
 640                 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
 641         }
 642
 643     if(power)
 644         c.arg[0] |= ISO14A_NO_DISCONNECT;
 645
 646         if(datalen > 0)
 647         c.arg[0] |= ISO14A_RAW;
 648
 649         if(topazmode)
 650                 c.arg[0] |= ISO14A_TOPAZMODE;
 651
 652         // Max buffer is USB_CMD_DATA_SIZE
 653     c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
 654     memcpy(c.d.asBytes,data,datalen);
 655
 656     SendCommand(&c);
 657
 658     if (reply) {
 659         if(active_select)
 660             waitCmd(1);
 661         if(datalen>0)
 662             waitCmd(0);
 663     } // if reply
 664     return 0;
 665 }
 666
 667
 668 static void waitCmd(uint8_t iSelect)
 669 {
 670     uint8_t *recv;
 671     UsbCommand resp;
 672     char *hexout;
 673
 674     if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 675         recv = resp.d.asBytes;
 676         uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
 677         PrintAndLog("received %i octets", iLen);
 678         if(!iLen)
 679             return;
 680         hexout = (char *)malloc(iLen * 3 + 1);
 681         if (hexout != NULL) {
 682             for (int i = 0; i < iLen; i++) { // data in hex
 683                 sprintf(&hexout[i * 3], "%02X ", recv[i]);
 684             }
 685             PrintAndLog("%s", hexout);
 686             free(hexout);
 687         } else {
 688             PrintAndLog("malloc failed your client has low memory?");
 689         }
 690     } else {
 691         PrintAndLog("timeout while waiting for reply.");
 692     }
 693 }
 694
 695 static command_t CommandTable[] =
 696 {
 697   {"help",   CmdHelp,              1, "This help"},
 698   {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
 699   {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
 700   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
 701   {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
 702   {"snoop",  CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
 703   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
 704   {NULL, NULL, 0, NULL}
 705 };
 706
 707 int CmdHF14A(const char *Cmd) {
 708         // flush
 709         WaitForResponseTimeout(CMD_ACK,NULL,100);
 710
 711         // parse
 712   CmdsParse(CommandTable, Cmd);
 713   return 0;
 714 }
 715
 716 int CmdHelp(const char *Cmd)
 717 {
 718   CmdsHelp(CommandTable);
 719   return 0;
 720 }