client/cmdhf.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
   3 //
   4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   5 // at your option, any later version. See the LICENSE.txt file for the text of
   6 // the license.
   7 //-----------------------------------------------------------------------------
   8 // High frequency commands
   9 //-----------------------------------------------------------------------------
  10
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include "proxmark3.h"
  14 #include "graph.h"
  15 #include "ui.h"
  16 #include "cmdparser.h"
  17 #include "cmdhf.h"
  18 #include "cmdhf14a.h"
  19 #include "cmdhf14b.h"
  20 #include "cmdhf15.h"
  21 #include "cmdhfepa.h"
  22 #include "cmdhflegic.h"
  23 #include "cmdhficlass.h"
  24 #include "cmdhfmf.h"
  25
  26 static int CmdHelp(const char *Cmd);
  27
  28 int CmdHFTune(const char *Cmd)
  29 {
  30   UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
  31   SendCommand(&c);
  32   return 0;
  33 }
  34 // for the time being. Need better Bigbuf handling.
  35 #define TRACE_SIZE 3000
  36
  37 //The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
  38 /*
  39 ISO14443A (usually NFC tags)
  40         26 (7bits) = REQA
  41         30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
  42         A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
  43         52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
  44         93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
  45         93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
  46         95 20 = Anticollision of cascade level2
  47         95 70 = Select of cascade level2
  48         50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
  49 Mifare
  50         60 = Authenticate with KeyA
  51         61 = Authenticate with KeyB
  52         40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
  53         C0 = Decrement
  54         C1 = Increment
  55         C2 = Restore
  56         B0 = Transfer
  57 Ultralight C
  58         A0 = Compatibility Write (to accomodate MIFARE commands)
  59         1A = Step1 Authenticate
  60         AF = Step2 Authenticate
  61
  62
  63 ISO14443B
  64         05 = REQB
  65         1D = ATTRIB
  66         50 = HALT
  67 SRIX4K (tag does not respond to 05)
  68         06 00 = INITIATE
  69         0E xx = SELECT ID (xx = Chip-ID)
  70         0B = Get UID
  71         08 yy = Read Block (yy = block number)
  72         09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
  73         0C = Reset to Inventory
  74         0F = Completion
  75         0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
  76
  77
  78 ISO15693
  79         MANDATORY COMMANDS (all ISO15693 tags must support those)
  80                 01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
  81                 02 = Stay Quiet
  82         OPTIONAL COMMANDS (not all tags support them)
  83                 20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
  84                 21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
  85                 22 = Lock Block
  86                 23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
  87                 25 = Select
  88                 26 = Reset to Ready
  89                 27 = Write AFI
  90                 28 = Lock AFI
  91                 29 = Write DSFID
  92                 2A = Lock DSFID
  93                 2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
  94                 2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)
  95
  96 EM Microelectronic CUSTOM COMMANDS
  97         A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
  98         A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
  99         B8 = Get Protection Status for a specific block (followed by 1byte IC Manufacturer code+1byte block number+1byte of how many blocks after the previous is needed the info)
 100         E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
 101 NXP/Philips CUSTOM COMMANDS
 102         A0 = Inventory Read
 103         A1 = Fast Inventory Read
 104         A2 = Set EAS
 105         A3 = Reset EAS
 106         A4 = Lock EAS
 107         A5 = EAS Alarm
 108         A6 = Password Protect EAS
 109         A7 = Write EAS ID
 110         A8 = Read EPC
 111         B0 = Inventory Page Read
 112         B1 = Fast Inventory Page Read
 113         B2 = Get Random Number
 114         B3 = Set Password
 115         B4 = Write Password
 116         B5 = Lock Password
 117         B6 = Bit Password Protection
 118         B7 = Lock Page Protection Condition
 119         B8 = Get Multiple Block Protection Status
 120         B9 = Destroy SLI
 121         BA = Enable Privacy
 122         BB = 64bit Password Protection
 123         40 = Long Range CMD (Standard ISO/TR7003:1990)
 124                 */
 125
 126 #define ICLASS_CMD_ACTALL           0x0A
 127 #define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
 128 #define ICLASS_CMD_SELECT           0x81
 129 #define ICLASS_CMD_PAGESEL          0x84
 130 #define ICLASS_CMD_READCHECK_KD     0x88
 131 #define ICLASS_CMD_READCHECK_KC     0x18
 132 #define ICLASS_CMD_CHECK            0x05
 133 #define ICLASS_CMD_DETECT           0x0F
 134 #define ICLASS_CMD_HALT             0x00
 135 #define ICLASS_CMD_UPDATE                       0x87
 136 #define ICLASS_CMD_ACT              0x8E
 137 #define ICLASS_CMD_READ4            0x06
 138
 139
 140 #define ISO14443A_CMD_REQA       0x26
 141 #define ISO14443A_CMD_READBLOCK  0x30
 142 #define ISO14443A_CMD_WUPA       0x52
 143 #define ISO14443A_CMD_ANTICOLL_OR_SELECT     0x93
 144 #define ISO14443A_CMD_ANTICOLL_OR_SELECT_2   0x95
 145 #define ISO14443A_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
 146 #define ISO14443A_CMD_HALT       0x50
 147 #define ISO14443A_CMD_RATS       0xE0
 148
 149 #define MIFARE_AUTH_KEYA            0x60
 150 #define MIFARE_AUTH_KEYB            0x61
 151 #define MIFARE_MAGICMODE            0x40
 152 #define MIFARE_CMD_INC          0xC0
 153 #define MIFARE_CMD_DEC          0xC1
 154 #define MIFARE_CMD_RESTORE      0xC2
 155 #define MIFARE_CMD_TRANSFER     0xB0
 156
 157 #define MIFARE_ULC_WRITE        0xA0
 158 #define MIFARE_ULC_AUTH_1       0x1A
 159 #define MIFARE_ULC_AUTH_2        0xAF
 160
 161 /**
 162 06 00 = INITIATE
 163 0E xx = SELECT ID (xx = Chip-ID)
 164 0B = Get UID
 165 08 yy = Read Block (yy = block number)
 166 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
 167 0C = Reset to Inventory
 168 0F = Completion
 169 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
 170 **/
 171
 172 #define ISO14443B_REQB         0x05
 173 #define ISO14443B_ATTRIB       0x1D
 174 #define ISO14443B_HALT         0x50
 175 #define ISO14443B_INITIATE     0x06
 176 #define ISO14443B_SELECT       0x0E
 177 #define ISO14443B_GET_UID      0x0B
 178 #define ISO14443B_READ_BLK     0x08
 179 #define ISO14443B_WRITE_BLK    0x09
 180 #define ISO14443B_RESET        0x0C
 181 #define ISO14443B_COMPLETION   0x0F
 182 #define ISO14443B_AUTHENTICATE 0x0A
 183
 184 //First byte is 26
 185 #define ISO15693_INVENTORY     0x01
 186 #define ISO15693_STAYQUIET     0x02
 187 //First byte is 02
 188 #define ISO15693_READBLOCK            0x20
 189 #define ISO15693_WRITEBLOCK           0x21
 190 #define ISO15693_LOCKBLOCK            0x22
 191 #define ISO15693_READ_MULTI_BLOCK     0x23
 192 #define ISO15693_SELECT               0x25
 193 #define ISO15693_RESET_TO_READY       0x26
 194 #define ISO15693_WRITE_AFI            0x27
 195 #define ISO15693_LOCK_AFI             0x28
 196 #define ISO15693_WRITE_DSFID          0x29
 197 #define ISO15693_LOCK_DSFID           0x2A
 198 #define ISO15693_GET_SYSTEM_INFO      0x2B
 199 #define ISO15693_READ_MULTI_SECSTATUS 0x2C
 200
 201
 202 #define ISO_14443A 0
 203 #define ICLASS     1
 204 #define ISO_14443B 2
 205
 206
 207 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 208 {
 209         switch(cmd[0])
 210         {
 211         case ISO14443A_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
 212         case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
 213                 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
 214                 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
 215                 if(cmd[2] == 0x70)
 216                 {
 217                         snprintf(exp,size,"SELECT_UID"); break;
 218                 }else
 219                 {
 220                         snprintf(exp,size,"ANTICOLL"); break;
 221                 }
 222         }
 223         case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
 224                 //95 20 = Anticollision of cascade level2
 225                 //95 70 = Select of cascade level2
 226                 if(cmd[2] == 0x70)
 227                 {
 228                         snprintf(exp,size,"SELECT_UID-2"); break;
 229                 }else
 230                 {
 231                         snprintf(exp,size,"ANTICOLL-2"); break;
 232                 }
 233         }
 234         case ISO14443A_CMD_REQA:       snprintf(exp,size,"REQA"); break;
 235         case ISO14443A_CMD_READBLOCK:  snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
 236         case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
 237         case ISO14443A_CMD_HALT:       snprintf(exp,size,"HALT"); break;
 238         case ISO14443A_CMD_RATS:       snprintf(exp,size,"RATS"); break;
 239         case MIFARE_CMD_INC:          snprintf(exp,size,"INC(%d)",cmd[1]); break;
 240         case MIFARE_CMD_DEC:          snprintf(exp,size,"DEC(%d)",cmd[1]); break;
 241         case MIFARE_CMD_RESTORE:      snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
 242         case MIFARE_CMD_TRANSFER:     snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
 243         case MIFARE_AUTH_KEYA:        snprintf(exp,size,"AUTH-A"); break;
 244         case MIFARE_AUTH_KEYB:        snprintf(exp,size,"AUTH-B"); break;
 245         case MIFARE_MAGICMODE:        snprintf(exp,size,"MAGIC"); break;
 246         default:                      snprintf(exp,size,"?"); break;
 247         }
 248         return;
 249 }
 250
 251 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 252 {
 253         switch(cmd[0])
 254         {
 255         case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
 256         case ICLASS_CMD_READ_OR_IDENTIFY:{
 257                 if(cmdsize > 1){
 258                         snprintf(exp,size,"READ(%d)",cmd[1]);
 259                 }else{
 260                         snprintf(exp,size,"IDENTIFY");
 261                 }
 262                 break;
 263         }
 264         case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
 265         case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
 266         case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
 267         case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
 268         case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
 269         case ICLASS_CMD_DETECT:      snprintf(exp,size,"DETECT"); break;
 270         case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
 271         case ICLASS_CMD_UPDATE:      snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
 272         case ICLASS_CMD_ACT:         snprintf(exp,size,"ACT"); break;
 273         case ICLASS_CMD_READ4:       snprintf(exp,size,"READ4(%d)",cmd[1]); break;
 274         default:                     snprintf(exp,size,"?"); break;
 275         }
 276         return;
 277 }
 278
 279 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 280 {
 281
 282         if(cmd[0] == 0x26)
 283         {
 284                 switch(cmd[1]){
 285                 case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
 286                 case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
 287                 default:                     snprintf(exp,size,"?"); break;
 288
 289                 }
 290         }else if(cmd[0] == 0x02)
 291         {
 292                 switch(cmd[1])
 293                 {
 294                 case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
 295                 case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
 296                 case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
 297                 case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
 298                 case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
 299                 case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
 300                 case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
 301                 case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
 302                 case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");break;
 303                 case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
 304                 case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
 305                 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
 306                 default:                            snprintf(exp,size,"?"); break;
 307                 }
 308         }
 309 }
 310
 311 /**
 312 06 00 = INITIATE
 313 0E xx = SELECT ID (xx = Chip-ID)
 314 0B = Get UID
 315 08 yy = Read Block (yy = block number)
 316 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
 317 0C = Reset to Inventory
 318 0F = Completion
 319 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
 320 **/
 321
 322 void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 323 {
 324         switch(cmd[0]){
 325         case ISO14443B_REQB   : snprintf(exp,size,"REQB");break;
 326         case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
 327         case ISO14443B_HALT   : snprintf(exp,size,"HALT");break;
 328         case ISO14443B_INITIATE     : snprintf(exp,size,"INITIATE");break;
 329         case ISO14443B_SELECT       : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
 330         case ISO14443B_GET_UID      : snprintf(exp,size,"GET UID");break;
 331         case ISO14443B_READ_BLK     : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
 332         case ISO14443B_WRITE_BLK    : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
 333         case ISO14443B_RESET        : snprintf(exp,size,"RESET");break;
 334         case ISO14443B_COMPLETION   : snprintf(exp,size,"COMPLETION");break;
 335         case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
 336         default                     : snprintf(exp,size ,"?");break;
 337         }
 338
 339 }
 340
 341 /**
 342  * @brief iso14443B_CRC_Ok Checks CRC in command or response
 343  * @param isResponse
 344  * @param data
 345  * @param len
 346  * @return  0 : CRC-command, CRC not ok
 347  *          1 : CRC-command, CRC ok
 348  *          2 : Not crc-command
 349  */
 350
 351 uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
 352 {
 353         uint8_t b1,b2;
 354
 355         if(len <= 2) return 2;
 356
 357         ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
 358         if(b1 != data[len-2] || b2 != data[len-1]) {
 359           return 0;
 360         }
 361         return 1;
 362 }
 363
 364 /**
 365  * @brief iclass_CRC_Ok Checks CRC in command or response
 366  * @param isResponse
 367  * @param data
 368  * @param len
 369  * @return  0 : CRC-command, CRC not ok
 370  *              1 : CRC-command, CRC ok
 371  *          2 : Not crc-command
 372  */
 373 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
 374 {
 375         if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
 376
 377         uint8_t b1, b2;
 378
 379         if(!isResponse)//Commands to tag
 380         {
 381                 /**
 382                   These commands should have CRC. Total length leftmost
 383                   4     READ
 384                   4 READ4
 385                   12 UPDATE - unsecured, ends with CRC16
 386                   14 UPDATE - secured, ends with signature instead
 387                   4 PAGESEL
 388                   **/
 389                 if(len == 4 || len == 12)//Covers three of them
 390                 {
 391                         //Don't include the command byte
 392                         ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
 393                         return b1 == data[len -2] && b2 == data[len-1];
 394                 }
 395                 return 2;
 396         }else{
 397                 /**
 398                 These tag responses should have CRC. Total length leftmost
 399
 400                 10  READ                data[8] crc[2]
 401                 34  READ4               data[32]crc[2]
 402                 10  UPDATE      data[8] crc[2]
 403                 10 SELECT       csn[8] crc[2]
 404                 10  IDENTIFY  asnb[8] crc[2]
 405                 10  PAGESEL   block1[8] crc[2]
 406                 10  DETECT    csn[8] crc[2]
 407
 408                 These should not
 409
 410                 4  CHECK                chip_response[4]
 411                 8  READCHECK data[8]
 412                 1  ACTALL    sof[1]
 413                 1  ACT       sof[1]
 414
 415                 In conclusion, without looking at the command; any response
 416                 of length 10 or 34 should have CRC
 417                   **/
 418                 if(len != 10 && len != 34) return true;
 419
 420                 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
 421                 return b1 == data[len -2] && b2 == data[len-1];
 422         }
 423 }
 424
 425 uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, uint8_t protocol, bool showWaitCycles)
 426 {
 427         bool isResponse;
 428         uint16_t duration, data_len,parity_len;
 429
 430         uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
 431         char explanation[30] = {0};
 432
 433         first_timestamp = *((uint32_t *)(trace));
 434         timestamp = *((uint32_t *)(trace + tracepos));
 435         // Break and stick with current result if buffer was not completely full
 436         if (timestamp == 0x44444444) return TRACE_SIZE;
 437
 438         tracepos += 4;
 439         duration = *((uint16_t *)(trace + tracepos));
 440         tracepos += 2;
 441         data_len = *((uint16_t *)(trace + tracepos));
 442         tracepos += 2;
 443
 444         if (data_len & 0x8000) {
 445           data_len &= 0x7fff;
 446           isResponse = true;
 447         } else {
 448           isResponse = false;
 449         }
 450         parity_len = (data_len-1)/8 + 1;
 451
 452         if (tracepos + data_len + parity_len >= TRACE_SIZE) {
 453                 return TRACE_SIZE;
 454         }
 455         uint8_t *frame = trace + tracepos;
 456         tracepos += data_len;
 457         uint8_t *parityBytes = trace + tracepos;
 458         tracepos += parity_len;
 459
 460
 461         //--- Draw the data column
 462         //char line[16][110];
 463         char line[16][110];
 464
 465         for (int j = 0; j < data_len && j/16 < 16; j++) {
 466
 467                 int oddparity = 0x01;
 468                 int k;
 469
 470                 for (k=0 ; k<8 ; k++) {
 471                         oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
 472                 }
 473
 474                 uint8_t parityBits = parityBytes[j>>3];
 475                 if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
 476                         snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
 477
 478                 } else {
 479                         snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
 480                 }
 481         }
 482         if(data_len == 0)
 483         {
 484                 if(data_len == 0){
 485                         sprintf(line[0],"<empty trace - possible error>");
 486                 }
 487         }
 488         //--- Draw the CRC column
 489         uint8_t crcStatus = 2;
 490
 491         if (data_len > 2) {
 492                 uint8_t b1, b2;
 493                 if(protocol == ICLASS)
 494                 {
 495                         crcStatus = iclass_CRC_check(isResponse, frame, data_len);
 496
 497                 }else if (protocol == ISO_14443B)
 498                 {
 499                         crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
 500                 }
 501                 else if (protocol == ISO_14443A){//Iso 14443a
 502
 503                         ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
 504
 505                         if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
 506                                 if(!(isResponse & (data_len < 6)))
 507                                 {
 508                                                 crcStatus = 0;
 509                                 }
 510                         }
 511                 }
 512         }
 513         //0 CRC-command, CRC not ok
 514         //1 CRC-command, CRC ok
 515         //2 Not crc-command
 516         char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : "    "));
 517
 518         EndOfTransmissionTimestamp = timestamp + duration;
 519
 520         if(!isResponse)
 521         {
 522                 if(protocol == ICLASS)
 523                         annotateIclass(explanation,sizeof(explanation),frame,data_len);
 524                 else if (protocol == ISO_14443A)
 525                         annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
 526                 else if(protocol == ISO_14443B)
 527                         annotateIso14443b(explanation,sizeof(explanation),frame,data_len);
 528         }
 529
 530         int num_lines = MIN((data_len - 1)/16 + 1, 16);
 531         for (int j = 0; j < num_lines ; j++) {
 532                 if (j == 0) {
 533                         PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
 534                                 (timestamp - first_timestamp),
 535                                 (EndOfTransmissionTimestamp - first_timestamp),
 536                                 (isResponse ? "Tag" : "Rdr"),
 537                                 line[j],
 538                                 (j == num_lines-1) ? crc : "    ",
 539                                 (j == num_lines-1) ? explanation : "");
 540                 } else {
 541                         PrintAndLog("           |           |     | %-64s| %s| %s",
 542                                 line[j],
 543                                 (j == num_lines-1)?crc:"    ",
 544                                 (j == num_lines-1) ? explanation : "");
 545                 }
 546         }
 547
 548         bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
 549
 550         if (showWaitCycles && !isResponse && next_isResponse) {
 551                 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
 552                 if (next_timestamp != 0x44444444) {
 553                         PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
 554                                 (EndOfTransmissionTimestamp - first_timestamp),
 555                                 (next_timestamp - first_timestamp),
 556                                 "   ",
 557                                 (next_timestamp - EndOfTransmissionTimestamp));
 558                 }
 559         }
 560         return tracepos;
 561 }
 562
 563 int CmdHFList(const char *Cmd)
 564 {
 565         bool showWaitCycles = false;
 566         char type[40] = {0};
 567         int tlen = param_getstr(Cmd,0,type);
 568         char param = param_getchar(Cmd, 1);
 569         bool errors = false;
 570         uint8_t protocol = 0;
 571         //Validate params
 572         if(tlen == 0)
 573         {
 574                 errors = true;
 575         }
 576         if(param == 'h' || (param !=0 && param != 'f'))
 577         {
 578                 errors = true;
 579         }
 580         if(!errors)
 581         {
 582                 if(strcmp(type, "iclass") == 0)
 583                 {
 584                         protocol = ICLASS;
 585                 }else if(strcmp(type, "14a") == 0)
 586                 {
 587                         protocol = ISO_14443A;
 588                 }
 589                 else if(strcmp(type, "14b") == 0)
 590                 {
 591                         protocol = ISO_14443B;
 592                 }else if(strcmp(type,"raw")== 0)
 593                 {
 594                         protocol = -1;//No crc, no annotations
 595                 }else{
 596                         errors = true;
 597                 }
 598         }
 599
 600         if (errors) {
 601                 PrintAndLog("List protocol data in trace buffer.");
 602                 PrintAndLog("Usage:  hf list [14a|14b|iclass] [f]");
 603                 PrintAndLog("    14a    - interpret data as iso14443a communications");
 604                 PrintAndLog("    14b    - interpret data as iso14443b communications");
 605                 PrintAndLog("    iclass - interpret data as iclass communications");
 606                 PrintAndLog("    raw    - just show raw data");
 607                 PrintAndLog("    f      - show frame delay times as well");
 608                 PrintAndLog("");
 609                 PrintAndLog("example: hf list 14a f");
 610                 PrintAndLog("example: hf list iclass");
 611                 return 0;
 612         }
 613
 614
 615         if (param == 'f') {
 616                 showWaitCycles = true;
 617         }
 618
 619
 620         uint8_t trace[TRACE_SIZE];
 621         uint16_t tracepos = 0;
 622         GetFromBigBuf(trace, TRACE_SIZE, 0);
 623         WaitForResponse(CMD_ACK, NULL);
 624         PrintAndLog("Recorded Activity");
 625         PrintAndLog("");
 626         PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
 627         PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
 628         PrintAndLog("iClass    - Timings are not as accurate");
 629         PrintAndLog("");
 630         PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
 631         PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
 632
 633         while(tracepos < TRACE_SIZE)
 634         {
 635                 tracepos = printTraceLine(tracepos, trace, protocol, showWaitCycles);
 636         }
 637         return 0;
 638 }
 639
 640
 641 static command_t CommandTable[] =
 642 {
 643   {"help",        CmdHelp,          1, "This help"},
 644   {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
 645   {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
 646   {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
 647   {"epa",         CmdHFEPA,         1, "{ German Identification Card... }"},
 648   {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
 649   {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
 650   {"mf",                CmdHFMF,                1, "{ MIFARE RFIDs... }"},
 651   {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
 652   {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
 653         {NULL, NULL, 0, NULL}
 654 };
 655
 656 int CmdHF(const char *Cmd)
 657 {
 658   CmdsParse(CommandTable, Cmd);
 659   return 0;
 660 }
 661
 662 int CmdHelp(const char *Cmd)
 663 {
 664   CmdsHelp(CommandTable);
 665   return 0;
 666 }