cvs.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 #include "cmdhfmf.h"
  27 #include "cmdhfmfu.h"
  28 #include "nonce2key/nonce2key.h"
  29 #include "cmdhf.h"
  30
  31 static int CmdHelp(const char *Cmd);
  32 static void waitCmd(uint8_t iLen);
  33
  34 // structure and database for uid -> tagtype lookups
  35 typedef struct {
  36         uint8_t uid;
  37         char* desc;
  38 } manufactureName;
  39
  40 const manufactureName manufactureMapping[] = {
  41         // ID,  "Vendor Country"
  42         { 0x01, "Motorola UK" },
  43         { 0x02, "ST Microelectronics SA France" },
  44         { 0x03, "Hitachi, Ltd Japan" },
  45         { 0x04, "NXP Semiconductors Germany" },
  46         { 0x05, "Infineon Technologies AG Germany" },
  47         { 0x06, "Cylink USA" },
  48         { 0x07, "Texas Instrument France" },
  49         { 0x08, "Fujitsu Limited Japan" },
  50         { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
  51         { 0x0A, "NEC Japan" },
  52         { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
  53         { 0x0C, "Toshiba Corp. Japan" },
  54         { 0x0D, "Mitsubishi Electric Corp. Japan" },
  55         { 0x0E, "Samsung Electronics Co. Ltd Korea" },
  56         { 0x0F, "Hynix / Hyundai, Korea" },
  57         { 0x10, "LG-Semiconductors Co. Ltd Korea" },
  58         { 0x11, "Emosyn-EM Microelectronics USA" },
  59         { 0x12, "INSIDE Technology France" },
  60         { 0x13, "ORGA Kartensysteme GmbH Germany" },
  61         { 0x14, "SHARP Corporation Japan" },
  62         { 0x15, "ATMEL France" },
  63         { 0x16, "EM Microelectronic-Marin SA Switzerland" },
  64         { 0x17, "KSW Microtec GmbH Germany" },
  65         { 0x18, "ZMD AG Germany" },
  66         { 0x19, "XICOR, Inc. USA" },
  67         { 0x1A, "Sony Corporation Japan" },
  68         { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
  69         { 0x1C, "Emosyn USA" },
  70         { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
  71         { 0x1E, "Magellan Technology Pty Limited Australia" },
  72         { 0x1F, "Melexis NV BO Switzerland" },
  73         { 0x20, "Renesas Technology Corp. Japan" },
  74         { 0x21, "TAGSYS France" },
  75         { 0x22, "Transcore USA" },
  76         { 0x23, "Shanghai belling corp., ltd. China" },
  77         { 0x24, "Masktech Germany Gmbh Germany" },
  78         { 0x25, "Innovision Research and Technology Plc UK" },
  79         { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
  80         { 0x27, "Cypak AB Sweden" },
  81         { 0x28, "Ricoh Japan" },
  82         { 0x29, "ASK France" },
  83         { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
  84         { 0x2B, "Dallas Semiconductor/Maxim USA" },
  85         { 0x2C, "Impinj, Inc. USA" },
  86         { 0x2D, "RightPlug Alliance USA" },
  87         { 0x2E, "Broadcom Corporation USA" },
  88         { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
  89         { 0x30, "BeeDar Technology Inc. USA" },
  90         { 0x31, "RFIDsec Denmark" },
  91         { 0x32, "Schweizer Electronic AG Germany" },
  92         { 0x33, "AMIC Technology Corp Taiwan" },
  93         { 0x34, "Mikron JSC Russia" },
  94         { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
  95         { 0x36, "IDS Microchip AG Switzerland" },
  96         { 0x37, "Kovio USA" },
  97         { 0x38, "HMT Microelectronic Ltd Switzerland" },
  98         { 0x39, "Silicon Craft Technology Thailand" },
  99         { 0x3A, "Advanced Film Device Inc. Japan" },
 100         { 0x3B, "Nitecrest Ltd UK" },
 101         { 0x3C, "Verayo Inc. USA" },
 102         { 0x3D, "HID Global USA" },
 103         { 0x3E, "Productivity Engineering Gmbh Germany" },
 104         { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
 105         { 0x40, "Gemalto SA France" },
 106         { 0x41, "Renesas Electronics Corporation Japan" },
 107         { 0x42, "3Alogics Inc Korea" },
 108         { 0x43, "Top TroniQ Asia Limited Hong Kong" },
 109         { 0x44, "Gentag Inc. USA" },
 110         { 0x00, "no tag-info available" } // must be the last entry
 111 };
 112
 113
 114 // get a product description based on the UID
 115 //              uid[8]  tag uid
 116 // returns description of the best match
 117 char* getTagInfo(uint8_t uid) {
 118
 119         int i;
 120         int len = sizeof(manufactureMapping) / sizeof(manufactureName);
 121
 122         for ( i = 0; i < len; ++i )
 123                 if ( uid == manufactureMapping[i].uid)
 124                         return manufactureMapping[i].desc;
 125
 126         //No match, return default
 127         return manufactureMapping[len-1].desc;
 128 }
 129
 130 int usage_hf_14a_sim(void) {
 131 //      PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4,7 or 10 byte UID\n");
 132         PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4,7 byte UID\n");
 133         PrintAndLog("Usage: hf 14a sim t <type> u <uid> x");
 134         PrintAndLog("  Options : ");
 135         PrintAndLog("    h     : this help");
 136         PrintAndLog("    t     : 1 = MIFARE Classic");
 137         PrintAndLog("            2 = MIFARE Ultralight");
 138         PrintAndLog("            3 = MIFARE Desfire");
 139         PrintAndLog("            4 = ISO/IEC 14443-4");
 140         PrintAndLog("            5 = MIFARE Tnp3xxx");
 141         PrintAndLog("            6 = MIFARE Mini");
 142         PrintAndLog("            7 = AMIIBO (NTAG 215),  pack 0x8080");
 143 //      PrintAndLog("    u     : 4, 7 or 10 byte UID");
 144         PrintAndLog("    u     : 4, 7 byte UID");
 145         PrintAndLog("    x     : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader");
 146         PrintAndLog("    v     : (Optional) show maths used for cracking reader. Useful for debugging.");
 147         PrintAndLog("\n   sample : hf 14a sim t 1 u 11223344 x");
 148         PrintAndLog("          : hf 14a sim t 1 u 11223344");
 149         PrintAndLog("          : hf 14a sim t 1 u 11223344556677");
 150 //      PrintAndLog("          : hf 14a sim t 1 u 11223445566778899AA\n");
 151         return 0;
 152 }
 153 int usage_hf_14a_sniff(void){
 154         PrintAndLog("It get data from the field and saves it into command buffer.");
 155         PrintAndLog("Buffer accessible from command 'hf list 14a'");
 156         PrintAndLog("Usage:  hf 14a sniff [c][r]");
 157         PrintAndLog("c - triggered by first data from card");
 158         PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
 159         PrintAndLog("sample: hf 14a sniff c r");
 160         return 0;
 161 }
 162 int usage_hf_14a_raw(void){
 163         PrintAndLog("Usage: hf 14a raw [-h] [-r] [-c] [-p] [-a] [-T] [-t] <milliseconds> [-b] <number of bits>  <0A 0B 0C ... hex>");
 164         PrintAndLog("       -h    this help");
 165         PrintAndLog("       -r    do not read response");
 166         PrintAndLog("       -c    calculate and append CRC");
 167         PrintAndLog("       -p    leave the signal field ON after receive");
 168         PrintAndLog("       -a    active signal field ON without select");
 169         PrintAndLog("       -s    active signal field ON with select");
 170         PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
 171         PrintAndLog("       -t    timeout in ms");
 172         PrintAndLog("       -T    use Topaz protocol to send command");
 173         return 0;
 174 }
 175
 176 int CmdHF14AList(const char *Cmd) {
 177         //PrintAndLog("Deprecated command, use 'hf list 14a' instead");
 178         CmdHFList("14a");
 179         return 0;
 180 }
 181
 182 int CmdHF14AReader(const char *Cmd) {
 183         UsbCommand cDisconnect = {CMD_READER_ISO_14443a, {0,0,0}};
 184         UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
 185         clearCommandBuffer();
 186         SendCommand(&c);
 187         UsbCommand resp;
 188         WaitForResponse(CMD_ACK, &resp);
 189
 190         iso14a_card_select_t card;
 191         memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 192
 193         uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
 194
 195         if(select_status == 0) {
 196                 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
 197                 SendCommand(&cDisconnect);
 198                 return 0;
 199         }
 200
 201         if(select_status == 3) {
 202                 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
 203                 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
 204                 SendCommand(&cDisconnect);
 205                 return 0;
 206         }
 207
 208         PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
 209         PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
 210         PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
 211
 212         switch (card.sak) {
 213                 case 0x00:
 214
 215                         // ******** is card of the MFU type (UL/ULC/NTAG/ etc etc)
 216                         ul_switch_off_field();
 217
 218                         uint32_t tagT = GetHF14AMfU_Type();
 219                         ul_print_type(tagT, 0);
 220
 221                         // reconnect for further tests
 222                         c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
 223                         c.arg[1] = 0;
 224                         c.arg[2] = 0;
 225
 226                         clearCommandBuffer();
 227                         SendCommand(&c);
 228
 229                         UsbCommand resp;
 230                         WaitForResponse(CMD_ACK, &resp);
 231
 232                         memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 233
 234                         select_status = resp.arg[0];            // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
 235
 236                         if(select_status == 0) {
 237                                 ul_switch_off_field();
 238                                 return 0;
 239                         }
 240                         break;
 241                 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
 242                 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
 243                 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
 244                 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
 245                 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
 246                 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
 247                 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
 248                 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
 249                 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
 250                 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
 251                 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
 252                 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
 253                 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
 254                 default: ;
 255         }
 256
 257         // Double & triple sized UID, can be mapped to a manufacturer.
 258         if ( card.uidlen > 4 ) {
 259                 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
 260         }
 261
 262         // try to request ATS even if tag claims not to support it
 263         if (select_status == 2) {
 264                 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
 265                 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
 266                 c.arg[1] = 2;
 267                 c.arg[2] = 0;
 268                 memcpy(c.d.asBytes, rats, 2);
 269                 clearCommandBuffer();
 270                 SendCommand(&c);
 271                 WaitForResponse(CMD_ACK,&resp);
 272
 273             memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
 274                 card.ats_len = resp.arg[0];                             // note: ats_len includes CRC Bytes
 275         }
 276
 277         if(card.ats_len >= 3) {                 // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
 278                 bool ta1 = 0, tb1 = 0, tc1 = 0;
 279                 int pos;
 280
 281                 if (select_status == 2) {
 282                         PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
 283                 }
 284                 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
 285                 PrintAndLog("       -  TL : length is %d bytes", card.ats[0]);
 286                 if (card.ats[0] != card.ats_len - 2) {
 287                         PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
 288                 }
 289
 290                 if (card.ats[0] > 1) {          // there is a format byte (T0)
 291                         ta1 = (card.ats[1] & 0x10) == 0x10;
 292                         tb1 = (card.ats[1] & 0x20) == 0x20;
 293                         tc1 = (card.ats[1] & 0x40) == 0x40;
 294                         int16_t fsci = card.ats[1] & 0x0f;
 295                         PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
 296                                         "TC1 is%s present, FSCI is %d (FSC = %ld)",
 297                                 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
 298                                 fsci,
 299                                 fsci < 5 ? (fsci - 2) * 8 :
 300                                         fsci < 8 ? (fsci - 3) * 32 :
 301                                         fsci == 8 ? 256 :
 302                                         -1
 303                                 );
 304                 }
 305                 pos = 2;
 306                 if (ta1) {
 307                         char dr[16], ds[16];
 308                         dr[0] = ds[0] = '\0';
 309                         if (card.ats[pos] & 0x10) strcat(ds, "2, ");
 310                         if (card.ats[pos] & 0x20) strcat(ds, "4, ");
 311                         if (card.ats[pos] & 0x40) strcat(ds, "8, ");
 312                         if (card.ats[pos] & 0x01) strcat(dr, "2, ");
 313                         if (card.ats[pos] & 0x02) strcat(dr, "4, ");
 314                         if (card.ats[pos] & 0x04) strcat(dr, "8, ");
 315                         if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
 316                         if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
 317                         PrintAndLog("       - TA1 : different divisors are%s supported, "
 318                                         "DR: [%s], DS: [%s]",
 319                                         (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
 320                         pos++;
 321                 }
 322                 if (tb1) {
 323                         uint32_t sfgi = card.ats[pos] & 0x0F;
 324                         uint32_t fwi = card.ats[pos] >> 4;
 325                         PrintAndLog("       - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
 326                                         (sfgi),
 327                                         sfgi ? "" : "(not needed) ",
 328                                         sfgi ? (1 << 12) << sfgi : 0,
 329                                         fwi,
 330                                         (1 << 12) << fwi
 331                                         );
 332                         pos++;
 333                 }
 334                 if (tc1) {
 335                         PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
 336                                         (card.ats[pos] & 0x01) ? "" : " NOT",
 337                                         (card.ats[pos] & 0x02) ? "" : " NOT");
 338                         pos++;
 339                 }
 340                 if (card.ats[0] > pos) {
 341                         char *tip = "";
 342                         if (card.ats[0] - pos >= 7) {
 343                                 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
 344                                         tip = "-> MIFARE Plus X 2K or 4K";
 345                                 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
 346                                         tip = "-> MIFARE Plus S 2K or 4K";
 347                                 }
 348                         }
 349                         PrintAndLog("       -  HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
 350                         if (card.ats[pos] == 0xC1) {
 351                                 PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
 352                                 PrintAndLog("                  %02x -> Length is %d bytes",
 353                                                 card.ats[pos + 1], card.ats[pos + 1]);
 354                                 switch (card.ats[pos + 2] & 0xf0) {
 355                                         case 0x10: PrintAndLog("                     1x -> MIFARE DESFire"); break;
 356                                         case 0x20: PrintAndLog("                     2x -> MIFARE Plus"); break;
 357                                 }
 358                                 switch (card.ats[pos + 2] & 0x0f) {
 359                                         case 0x00: PrintAndLog("                     x0 -> <1 kByte"); break;
 360                                         case 0x01: PrintAndLog("                     x1 -> 1 kByte"); break;
 361                                         case 0x02: PrintAndLog("                     x2 -> 2 kByte"); break;
 362                                         case 0x03: PrintAndLog("                     x3 -> 4 kByte"); break;
 363                                         case 0x04: PrintAndLog("                     x4 -> 8 kByte"); break;
 364                                 }
 365                                 switch (card.ats[pos + 3] & 0xf0) {
 366                                         case 0x00: PrintAndLog("                        0x -> Engineering sample"); break;
 367                                         case 0x20: PrintAndLog("                        2x -> Released"); break;
 368                                 }
 369                                 switch (card.ats[pos + 3] & 0x0f) {
 370                                         case 0x00: PrintAndLog("                        x0 -> Generation 1"); break;
 371                                         case 0x01: PrintAndLog("                        x1 -> Generation 2"); break;
 372                                         case 0x02: PrintAndLog("                        x2 -> Generation 3"); break;
 373                                 }
 374                                 switch (card.ats[pos + 4] & 0x0f) {
 375                                         case 0x00: PrintAndLog("                           x0 -> Only VCSL supported"); break;
 376                                         case 0x01: PrintAndLog("                           x1 -> VCS, VCSL, and SVC supported"); break;
 377                                         case 0x0E: PrintAndLog("                           xE -> no VCS command supported"); break;
 378                                 }
 379                         }
 380                 }
 381         } else {
 382                 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
 383         }
 384
 385
 386         // try to see if card responses to "chinese magic backdoor" commands.
 387         uint8_t isOK = 0;
 388         clearCommandBuffer();
 389         c.cmd = CMD_MIFARE_CIDENT;
 390         c.arg[0] = 0;
 391         c.arg[1] = 0;
 392         c.arg[2] = 0;
 393         SendCommand(&c);
 394         if (WaitForResponseTimeout(CMD_ACK, &resp, 1500))
 395                 isOK  = resp.arg[0] & 0xff;
 396
 397         PrintAndLog("Answers to magic commands (GEN1): %s", (isOK ? "YES" : "NO") );
 398
 399         // disconnect
 400         SendCommand(&cDisconnect);
 401
 402         return select_status;
 403 }
 404
 405 // Collect ISO14443 Type A UIDs
 406 int CmdHF14ACUIDs(const char *Cmd) {
 407         // requested number of UIDs
 408         int n = atoi(Cmd);
 409         // collect at least 1 (e.g. if no parameter was given)
 410         n = n > 0 ? n : 1;
 411
 412         PrintAndLog("Collecting %d UIDs", n);
 413         PrintAndLog("Start: %u", time(NULL));
 414         // repeat n times
 415         for (int i = 0; i < n; i++) {
 416                 // execute anticollision procedure
 417                 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
 418                 SendCommand(&c);
 419
 420                 UsbCommand resp;
 421                 WaitForResponse(CMD_ACK,&resp);
 422
 423                 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
 424
 425                 // check if command failed
 426                 if (resp.arg[0] == 0) {
 427                         PrintAndLog("Card select failed.");
 428                 } else {
 429                         char uid_string[20];
 430                         for (uint16_t i = 0; i < card->uidlen; i++) {
 431                                 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
 432                         }
 433                         PrintAndLog("%s", uid_string);
 434                 }
 435         }
 436         PrintAndLog("End: %u", time(NULL));
 437         return 1;
 438 }
 439
 440 // ## simulate iso14443a tag
 441 // ## greg - added ability to specify tag UID
 442 int CmdHF14ASim(const char *Cmd) {
 443         #define ATTACK_KEY_COUNT 8
 444         bool errors = FALSE;
 445         uint8_t flags = 0;
 446         uint8_t tagtype = 1;
 447         uint8_t cmdp = 0;
 448         uint8_t uid[10] = {0,0,0,0,0,0,0,0,0,0};
 449         int uidlen = 0;
 450         bool useUIDfromEML = TRUE;
 451         bool verbose = false;
 452
 453         while(param_getchar(Cmd, cmdp) != 0x00) {
 454                 switch(param_getchar(Cmd, cmdp)) {
 455                         case 'h':
 456                         case 'H':
 457                                 return usage_hf_14a_sim();
 458                         case 't':
 459                         case 'T':
 460                                 // Retrieve the tag type
 461                                 tagtype = param_get8ex(Cmd, cmdp+1, 0, 10);
 462                                 if (tagtype == 0)
 463                                         errors = true;
 464                                 cmdp += 2;
 465                                 break;
 466                         case 'u':
 467                         case 'U':
 468                                 // Retrieve the full 4,7,10 byte long uid
 469                                 param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);
 470                                 switch(uidlen) {
 471                                         //case 20: flags |= FLAG_10B_UID_IN_DATA; break;
 472                                         case 14: flags |= FLAG_7B_UID_IN_DATA; break;
 473                                         case  8: flags |= FLAG_4B_UID_IN_DATA; break;
 474                                         default: errors = TRUE; break;
 475                                 }
 476                                 if (!errors) {
 477                                         PrintAndLog("Emulating ISO/IEC 14443 type A tag with %d byte UID (%s)", uidlen>>1, sprint_hex(uid, uidlen>>1));
 478                                         useUIDfromEML = FALSE;
 479                                 }
 480                                 cmdp += 2;
 481                                 break;
 482                         case 'v':
 483                         case 'V':
 484                                 verbose = true;
 485                                 cmdp++;
 486                                 break;
 487                         case 'x':
 488                         case 'X':
 489                                 flags |= FLAG_NR_AR_ATTACK;
 490                                 cmdp++;
 491                                 break;
 492                         default:
 493                                 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 494                                 errors = true;
 495                                 break;
 496                         }
 497                 if(errors) break;
 498         }
 499
 500         //Validations
 501         if (errors) return usage_hf_14a_sim();
 502
 503         if ( useUIDfromEML )
 504                 flags |= FLAG_UID_IN_EMUL;
 505
 506         PrintAndLog("Press pm3-button to abort simulation");
 507
 508         UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
 509         memcpy(c.d.asBytes, uid, uidlen>>1);
 510         clearCommandBuffer();
 511         SendCommand(&c);
 512
 513         nonces_t data[ATTACK_KEY_COUNT*2];
 514         UsbCommand resp;
 515
 516         while( !ukbhit() ){
 517                 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue;
 518
 519                 if ( !(flags & FLAG_NR_AR_ATTACK) ) break;
 520                 if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;
 521
 522                 memcpy( data, resp.d.asBytes, sizeof(data) );
 523                 readerAttack(data, TRUE, verbose);
 524         }
 525         return 0;
 526 }
 527
 528 int CmdHF14ASniff(const char *Cmd) {
 529         int param = 0;
 530         uint8_t ctmp = param_getchar(Cmd, 0) ;
 531         if (ctmp == 'h' || ctmp == 'H') return usage_hf_14a_sniff();
 532
 533         for (int i = 0; i < 2; i++) {
 534                 ctmp = param_getchar(Cmd, i);
 535                 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
 536                 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
 537         }
 538
 539   UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
 540   clearCommandBuffer();
 541   SendCommand(&c);
 542   return 0;
 543 }
 544
 545 int CmdHF14ACmdRaw(const char *cmd) {
 546     UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
 547     bool reply=1;
 548     bool crc = FALSE;
 549     bool power = FALSE;
 550     bool active = FALSE;
 551     bool active_select = FALSE;
 552     uint16_t numbits=0;
 553         bool bTimeout = FALSE;
 554         uint32_t timeout=0;
 555         bool topazmode = FALSE;
 556     char buf[5]="";
 557     int i=0;
 558     uint8_t data[USB_CMD_DATA_SIZE];
 559         uint16_t datalen=0;
 560         uint32_t temp;
 561
 562     if (strlen(cmd)<2) return usage_hf_14a_raw();
 563
 564     // strip
 565     while (*cmd==' ' || *cmd=='\t') cmd++;
 566
 567     while (cmd[i]!='\0') {
 568         if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
 569         if (cmd[i]=='-') {
 570             switch (cmd[i+1]) {
 571                                 case 'H':
 572                                 case 'h':
 573                                         return usage_hf_14a_raw();
 574                 case 'r':
 575                     reply = FALSE;
 576                     break;
 577                 case 'c':
 578                     crc = TRUE;
 579                     break;
 580                 case 'p':
 581                     power = TRUE;
 582                     break;
 583                 case 'a':
 584                     active = TRUE;
 585                     break;
 586                 case 's':
 587                     active_select = TRUE;
 588                     break;
 589                 case 'b':
 590                     sscanf(cmd+i+2,"%d",&temp);
 591                     numbits = temp & 0xFFFF;
 592                     i+=3;
 593                     while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 594                     i-=2;
 595                     break;
 596                                 case 't':
 597                                         bTimeout = TRUE;
 598                                         sscanf(cmd+i+2,"%d",&temp);
 599                                         timeout = temp;
 600                                         i+=3;
 601                                         while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 602                                         i-=2;
 603                                         break;
 604                 case 'T':
 605                                         topazmode = TRUE;
 606                                         break;
 607                 default:
 608                     return usage_hf_14a_raw();
 609             }
 610             i+=2;
 611             continue;
 612         }
 613         if ((cmd[i]>='0' && cmd[i]<='9') ||
 614             (cmd[i]>='a' && cmd[i]<='f') ||
 615             (cmd[i]>='A' && cmd[i]<='F') ) {
 616             buf[strlen(buf)+1]=0;
 617             buf[strlen(buf)]=cmd[i];
 618             i++;
 619
 620             if (strlen(buf)>=2) {
 621                 sscanf(buf,"%x",&temp);
 622                 data[datalen]=(uint8_t)(temp & 0xff);
 623                 *buf=0;
 624                                 if (++datalen >= sizeof(data)){
 625                                         if (crc)
 626                                                 PrintAndLog("Buffer is full, we can't add CRC to your data");
 627                                         break;
 628                                 }
 629             }
 630             continue;
 631         }
 632         PrintAndLog("Invalid char on input");
 633         return 0;
 634     }
 635
 636     if(crc && datalen>0 && datalen<sizeof(data)-2)
 637     {
 638         uint8_t first, second;
 639                 if (topazmode) {
 640                         ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
 641                 } else {
 642                         ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
 643                 }
 644         data[datalen++] = first;
 645         data[datalen++] = second;
 646     }
 647
 648     if(active || active_select)
 649     {
 650         c.arg[0] |= ISO14A_CONNECT;
 651         if(active)
 652             c.arg[0] |= ISO14A_NO_SELECT;
 653     }
 654
 655         if(bTimeout){
 656             #define MAX_TIMEOUT 40542464        // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
 657         c.arg[0] |= ISO14A_SET_TIMEOUT;
 658         if(timeout > MAX_TIMEOUT) {
 659             timeout = MAX_TIMEOUT;
 660             PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
 661         }
 662                 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
 663         }
 664
 665     if(power) {
 666         c.arg[0] |= ISO14A_NO_DISCONNECT;
 667         }
 668
 669     if(datalen>0) {
 670         c.arg[0] |= ISO14A_RAW;
 671         }
 672
 673         if(topazmode) {
 674                 c.arg[0] |= ISO14A_TOPAZMODE;
 675         }
 676
 677         // Max buffer is USB_CMD_DATA_SIZE
 678         datalen = (datalen > USB_CMD_DATA_SIZE) ? USB_CMD_DATA_SIZE : datalen;
 679
 680     c.arg[1] = (datalen & 0xFFFF) | (uint32_t)(numbits << 16);
 681     memcpy(c.d.asBytes, data, datalen);
 682
 683         clearCommandBuffer();
 684     SendCommand(&c);
 685
 686     if (reply) {
 687         if(active_select)
 688             waitCmd(1);
 689         if(datalen>0)
 690             waitCmd(0);
 691     } // if reply
 692     return 0;
 693 }
 694
 695 static void waitCmd(uint8_t iSelect) {
 696     UsbCommand resp;
 697     uint16_t len = 0;
 698
 699     if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 700         len = iSelect ? (resp.arg[1] & 0xffff) : (resp.arg[0]  & 0xffff);
 701         PrintAndLog("received %i octets", len);
 702         if(!len)
 703             return;
 704                 PrintAndLog("%s", sprint_hex(resp.d.asBytes, len) );
 705     } else {
 706         PrintAndLog("timeout while waiting for reply.");
 707     }
 708 }
 709
 710 static command_t CommandTable[] = {
 711   {"help",   CmdHelp,              1, "This help"},
 712   {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
 713   {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
 714   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
 715   {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
 716   {"sniff",  CmdHF14ASniff,        0, "sniff ISO 14443 Type A traffic"},
 717   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
 718   {NULL, NULL, 0, NULL}
 719 };
 720
 721 int CmdHF14A(const char *Cmd) {
 722         clearCommandBuffer();
 723         CmdsParse(CommandTable, Cmd);
 724         return 0;
 725 }
 726
 727 int CmdHelp(const char *Cmd) {
 728   CmdsHelp(CommandTable);
 729   return 0;
 730 }