cvs.zerfleddert.de Git - proxmark3-svn/blob - 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 #include "cmdhfmfu.h"
  26
  27 static int CmdHelp(const char *Cmd);
  28
  29 int CmdHFTune(const char *Cmd)
  30 {
  31   UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
  32   SendCommand(&c);
  33   return 0;
  34 }
  35
  36 //The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
  37 /*
  38 ISO14443A (usually NFC tags)
  39         26 (7bits) = REQA
  40         30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
  41         A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
  42         52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
  43         93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
  44         93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
  45         95 20 = Anticollision of cascade level2
  46         95 70 = Select of cascade level2
  47         50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
  48 Mifare
  49         60 = Authenticate with KeyA
  50         61 = Authenticate with KeyB
  51         40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
  52         C0 = Decrement
  53         C1 = Increment
  54         C2 = Restore
  55         B0 = Transfer
  56 Ultralight C
  57         A0 = Compatibility Write (to accomodate MIFARE commands)
  58         1A = Step1 Authenticate
  59         AF = Step2 Authenticate
  60
  61
  62 ISO14443B
  63         05 = REQB
  64         1D = ATTRIB
  65         50 = HALT
  66 SRIX4K (tag does not respond to 05)
  67         06 00 = INITIATE
  68         0E xx = SELECT ID (xx = Chip-ID)
  69         0B = Get UID
  70         08 yy = Read Block (yy = block number)
  71         09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
  72         0C = Reset to Inventory
  73         0F = Completion
  74         0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
  75
  76
  77 ISO15693
  78         MANDATORY COMMANDS (all ISO15693 tags must support those)
  79                 01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
  80                 02 = Stay Quiet
  81         OPTIONAL COMMANDS (not all tags support them)
  82                 20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
  83                 21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
  84                 22 = Lock Block
  85                 23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
  86                 25 = Select
  87                 26 = Reset to Ready
  88                 27 = Write AFI
  89                 28 = Lock AFI
  90                 29 = Write DSFID
  91                 2A = Lock DSFID
  92                 2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
  93                 2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)
  94
  95 EM Microelectronic CUSTOM COMMANDS
  96         A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
  97         A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
  98         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)
  99         E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
 100 NXP/Philips CUSTOM COMMANDS
 101         A0 = Inventory Read
 102         A1 = Fast Inventory Read
 103         A2 = Set EAS
 104         A3 = Reset EAS
 105         A4 = Lock EAS
 106         A5 = EAS Alarm
 107         A6 = Password Protect EAS
 108         A7 = Write EAS ID
 109         A8 = Read EPC
 110         B0 = Inventory Page Read
 111         B1 = Fast Inventory Page Read
 112         B2 = Get Random Number
 113         B3 = Set Password
 114         B4 = Write Password
 115         B5 = Lock Password
 116         B6 = Bit Password Protection
 117         B7 = Lock Page Protection Condition
 118         B8 = Get Multiple Block Protection Status
 119         B9 = Destroy SLI
 120         BA = Enable Privacy
 121         BB = 64bit Password Protection
 122         40 = Long Range CMD (Standard ISO/TR7003:1990)
 123                 */
 124
 125 #define ICLASS_CMD_ACTALL           0x0A
 126 #define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
 127 #define ICLASS_CMD_SELECT           0x81
 128 #define ICLASS_CMD_PAGESEL          0x84
 129 #define ICLASS_CMD_READCHECK_KD     0x88
 130 #define ICLASS_CMD_READCHECK_KC     0x18
 131 #define ICLASS_CMD_CHECK            0x05
 132 #define ICLASS_CMD_DETECT           0x0F
 133 #define ICLASS_CMD_HALT             0x00
 134 #define ICLASS_CMD_UPDATE                       0x87
 135 #define ICLASS_CMD_ACT              0x8E
 136 #define ICLASS_CMD_READ4            0x06
 137
 138
 139 #define ISO14443A_CMD_REQA       0x26
 140 #define ISO14443A_CMD_READBLOCK  0x30
 141 #define ISO14443A_CMD_WUPA       0x52
 142 #define ISO14443A_CMD_ANTICOLL_OR_SELECT     0x93
 143 #define ISO14443A_CMD_ANTICOLL_OR_SELECT_2   0x95
 144 #define ISO14443A_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
 145 #define ISO14443A_CMD_HALT       0x50
 146 #define ISO14443A_CMD_RATS       0xE0
 147
 148 #define MIFARE_AUTH_KEYA            0x60
 149 #define MIFARE_AUTH_KEYB            0x61
 150 #define MIFARE_MAGICMODE            0x40
 151 #define MIFARE_CMD_INC          0xC0
 152 #define MIFARE_CMD_DEC          0xC1
 153 #define MIFARE_CMD_RESTORE      0xC2
 154 #define MIFARE_CMD_TRANSFER     0xB0
 155
 156 #define MIFARE_ULC_WRITE        0xA0
 157 #define MIFARE_ULC_AUTH_1       0x1A
 158 #define MIFARE_ULC_AUTH_2        0xAF
 159
 160 /**
 161 06 00 = INITIATE
 162 0E xx = SELECT ID (xx = Chip-ID)
 163 0B = Get UID
 164 08 yy = Read Block (yy = block number)
 165 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
 166 0C = Reset to Inventory
 167 0F = Completion
 168 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
 169 **/
 170
 171 #define ISO14443B_REQB         0x05
 172 #define ISO14443B_ATTRIB       0x1D
 173 #define ISO14443B_HALT         0x50
 174 #define ISO14443B_INITIATE     0x06
 175 #define ISO14443B_SELECT       0x0E
 176 #define ISO14443B_GET_UID      0x0B
 177 #define ISO14443B_READ_BLK     0x08
 178 #define ISO14443B_WRITE_BLK    0x09
 179 #define ISO14443B_RESET        0x0C
 180 #define ISO14443B_COMPLETION   0x0F
 181 #define ISO14443B_AUTHENTICATE 0x0A
 182
 183 //First byte is 26
 184 #define ISO15693_INVENTORY     0x01
 185 #define ISO15693_STAYQUIET     0x02
 186 //First byte is 02
 187 #define ISO15693_READBLOCK            0x20
 188 #define ISO15693_WRITEBLOCK           0x21
 189 #define ISO15693_LOCKBLOCK            0x22
 190 #define ISO15693_READ_MULTI_BLOCK     0x23
 191 #define ISO15693_SELECT               0x25
 192 #define ISO15693_RESET_TO_READY       0x26
 193 #define ISO15693_WRITE_AFI            0x27
 194 #define ISO15693_LOCK_AFI             0x28
 195 #define ISO15693_WRITE_DSFID          0x29
 196 #define ISO15693_LOCK_DSFID           0x2A
 197 #define ISO15693_GET_SYSTEM_INFO      0x2B
 198 #define ISO15693_READ_MULTI_SECSTATUS 0x2C
 199
 200
 201 #define ISO_14443A 0
 202 #define ICLASS     1
 203 #define ISO_14443B 2
 204
 205
 206 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 207 {
 208         switch(cmd[0])
 209         {
 210         case ISO14443A_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
 211         case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
 212                 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
 213                 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
 214                 if(cmd[1] == 0x70)
 215                 {
 216                         snprintf(exp,size,"SELECT_UID"); break;
 217                 }else
 218                 {
 219                         snprintf(exp,size,"ANTICOLL"); break;
 220                 }
 221         }
 222         case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
 223                 //95 20 = Anticollision of cascade level2
 224                 //95 70 = Select of cascade level2
 225                 if(cmd[2] == 0x70)
 226                 {
 227                         snprintf(exp,size,"SELECT_UID-2"); break;
 228                 }else
 229                 {
 230                         snprintf(exp,size,"ANTICOLL-2"); break;
 231                 }
 232         }
 233         case ISO14443A_CMD_REQA:       snprintf(exp,size,"REQA"); break;
 234         case ISO14443A_CMD_READBLOCK:  snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
 235         case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
 236         case ISO14443A_CMD_HALT:       snprintf(exp,size,"HALT"); break;
 237         case ISO14443A_CMD_RATS:       snprintf(exp,size,"RATS"); break;
 238         case MIFARE_CMD_INC:          snprintf(exp,size,"INC(%d)",cmd[1]); break;
 239         case MIFARE_CMD_DEC:          snprintf(exp,size,"DEC(%d)",cmd[1]); break;
 240         case MIFARE_CMD_RESTORE:      snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
 241         case MIFARE_CMD_TRANSFER:     snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
 242         case MIFARE_AUTH_KEYA:        snprintf(exp,size,"AUTH-A(%d)",cmd[1]); break;
 243         case MIFARE_AUTH_KEYB:        snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
 244         case MIFARE_MAGICMODE:        snprintf(exp,size,"MAGIC"); break;
 245         default:                      snprintf(exp,size,"?"); break;
 246         }
 247         return;
 248 }
 249
 250 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 251 {
 252         switch(cmd[0])
 253         {
 254         case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
 255         case ICLASS_CMD_READ_OR_IDENTIFY:{
 256                 if(cmdsize > 1){
 257                         snprintf(exp,size,"READ(%d)",cmd[1]);
 258                 }else{
 259                         snprintf(exp,size,"IDENTIFY");
 260                 }
 261                 break;
 262         }
 263         case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
 264         case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
 265         case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
 266         case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
 267         case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
 268         case ICLASS_CMD_DETECT:      snprintf(exp,size,"DETECT"); break;
 269         case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
 270         case ICLASS_CMD_UPDATE:      snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
 271         case ICLASS_CMD_ACT:         snprintf(exp,size,"ACT"); break;
 272         case ICLASS_CMD_READ4:       snprintf(exp,size,"READ4(%d)",cmd[1]); break;
 273         default:                     snprintf(exp,size,"?"); break;
 274         }
 275         return;
 276 }
 277
 278 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 279 {
 280
 281         if(cmd[0] == 0x26)
 282         {
 283                 switch(cmd[1]){
 284                 case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
 285                 case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
 286                 default:                     snprintf(exp,size,"?"); break;
 287
 288                 }
 289         }else if(cmd[0] == 0x02)
 290         {
 291                 switch(cmd[1])
 292                 {
 293                 case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
 294                 case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
 295                 case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
 296                 case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
 297                 case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
 298                 case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
 299                 case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
 300                 case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
 301                 case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");break;
 302                 case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
 303                 case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
 304                 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
 305                 default:                            snprintf(exp,size,"?"); break;
 306                 }
 307         }
 308 }
 309
 310 /**
 311 06 00 = INITIATE
 312 0E xx = SELECT ID (xx = Chip-ID)
 313 0B = Get UID
 314 08 yy = Read Block (yy = block number)
 315 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
 316 0C = Reset to Inventory
 317 0F = Completion
 318 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
 319 **/
 320
 321 void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 322 {
 323         switch(cmd[0]){
 324         case ISO14443B_REQB   : snprintf(exp,size,"REQB");break;
 325         case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
 326         case ISO14443B_HALT   : snprintf(exp,size,"HALT");break;
 327         case ISO14443B_INITIATE     : snprintf(exp,size,"INITIATE");break;
 328         case ISO14443B_SELECT       : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
 329         case ISO14443B_GET_UID      : snprintf(exp,size,"GET UID");break;
 330         case ISO14443B_READ_BLK     : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
 331         case ISO14443B_WRITE_BLK    : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
 332         case ISO14443B_RESET        : snprintf(exp,size,"RESET");break;
 333         case ISO14443B_COMPLETION   : snprintf(exp,size,"COMPLETION");break;
 334         case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
 335         default                     : snprintf(exp,size ,"?");break;
 336         }
 337
 338 }
 339
 340 /**
 341  * @brief iso14443B_CRC_Ok Checks CRC in command or response
 342  * @param isResponse
 343  * @param data
 344  * @param len
 345  * @return  0 : CRC-command, CRC not ok
 346  *          1 : CRC-command, CRC ok
 347  *          2 : Not crc-command
 348  */
 349
 350 uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
 351 {
 352         uint8_t b1,b2;
 353
 354         if(len <= 2) return 2;
 355
 356         ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
 357         if(b1 != data[len-2] || b2 != data[len-1]) {
 358           return 0;
 359         }
 360         return 1;
 361 }
 362
 363 /**
 364  * @brief iclass_CRC_Ok Checks CRC in command or response
 365  * @param isResponse
 366  * @param data
 367  * @param len
 368  * @return  0 : CRC-command, CRC not ok
 369  *              1 : CRC-command, CRC ok
 370  *          2 : Not crc-command
 371  */
 372 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
 373 {
 374         if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
 375
 376         uint8_t b1, b2;
 377
 378         if(!isResponse)//Commands to tag
 379         {
 380                 /**
 381                   These commands should have CRC. Total length leftmost
 382                   4     READ
 383                   4 READ4
 384                   12 UPDATE - unsecured, ends with CRC16
 385                   14 UPDATE - secured, ends with signature instead
 386                   4 PAGESEL
 387                   **/
 388                 if(len == 4 || len == 12)//Covers three of them
 389                 {
 390                         //Don't include the command byte
 391                         ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
 392                         return b1 == data[len -2] && b2 == data[len-1];
 393                 }
 394                 return 2;
 395         }else{
 396                 /**
 397                 These tag responses should have CRC. Total length leftmost
 398
 399                 10  READ                data[8] crc[2]
 400                 34  READ4               data[32]crc[2]
 401                 10  UPDATE      data[8] crc[2]
 402                 10 SELECT       csn[8] crc[2]
 403                 10  IDENTIFY  asnb[8] crc[2]
 404                 10  PAGESEL   block1[8] crc[2]
 405                 10  DETECT    csn[8] crc[2]
 406
 407                 These should not
 408
 409                 4  CHECK                chip_response[4]
 410                 8  READCHECK data[8]
 411                 1  ACTALL    sof[1]
 412                 1  ACT       sof[1]
 413
 414                 In conclusion, without looking at the command; any response
 415                 of length 10 or 34 should have CRC
 416                   **/
 417                 if(len != 10 && len != 34) return true;
 418
 419                 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
 420                 return b1 == data[len -2] && b2 == data[len-1];
 421         }
 422 }
 423
 424 uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles)
 425 {
 426         bool isResponse;
 427         uint16_t duration, data_len, parity_len;
 428
 429         uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
 430         char explanation[30] = {0};
 431
 432         if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
 433
 434         first_timestamp = *((uint32_t *)(trace));
 435         timestamp = *((uint32_t *)(trace + tracepos));
 436
 437         tracepos += 4;
 438         duration = *((uint16_t *)(trace + tracepos));
 439         tracepos += 2;
 440         data_len = *((uint16_t *)(trace + tracepos));
 441         tracepos += 2;
 442
 443         if (data_len & 0x8000) {
 444           data_len &= 0x7fff;
 445           isResponse = true;
 446         } else {
 447           isResponse = false;
 448         }
 449         parity_len = (data_len-1)/8 + 1;
 450
 451         if (tracepos + data_len + parity_len > traceLen) {
 452                 return traceLen;
 453         }
 454         uint8_t *frame = trace + tracepos;
 455         tracepos += data_len;
 456         uint8_t *parityBytes = trace + tracepos;
 457         tracepos += parity_len;
 458
 459
 460         //--- Draw the data column
 461         //char line[16][110];
 462         char line[16][110];
 463
 464         for (int j = 0; j < data_len && j/16 < 16; j++) {
 465
 466                 int oddparity = 0x01;
 467                 int k;
 468
 469                 for (k=0 ; k<8 ; k++) {
 470                         oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
 471                 }
 472
 473                 uint8_t parityBits = parityBytes[j>>3];
 474                 if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
 475                         snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
 476
 477                 } else {
 478                         snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
 479                 }
 480         }
 481         if(data_len == 0)
 482         {
 483                 if(data_len == 0){
 484                         sprintf(line[0],"<empty trace - possible error>");
 485                 }
 486         }
 487         //--- Draw the CRC column
 488         uint8_t crcStatus = 2;
 489
 490         if (data_len > 2) {
 491                 uint8_t b1, b2;
 492                 if(protocol == ICLASS)
 493                 {
 494                         crcStatus = iclass_CRC_check(isResponse, frame, data_len);
 495
 496                 }else if (protocol == ISO_14443B)
 497                 {
 498                         crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
 499                 }
 500                 else if (protocol == ISO_14443A){//Iso 14443a
 501
 502                         ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
 503
 504                         if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
 505                                 if(!(isResponse & (data_len < 6)))
 506                                 {
 507                                                 crcStatus = 0;
 508                                 }
 509                         }
 510                 }
 511         }
 512         //0 CRC-command, CRC not ok
 513         //1 CRC-command, CRC ok
 514         //2 Not crc-command
 515         char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : "    "));
 516
 517         EndOfTransmissionTimestamp = timestamp + duration;
 518
 519         if(!isResponse)
 520         {
 521                 if(protocol == ICLASS)
 522                         annotateIclass(explanation,sizeof(explanation),frame,data_len);
 523                 else if (protocol == ISO_14443A)
 524                         annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
 525                 else if(protocol == ISO_14443B)
 526                         annotateIso14443b(explanation,sizeof(explanation),frame,data_len);
 527         }
 528
 529         int num_lines = MIN((data_len - 1)/16 + 1, 16);
 530         for (int j = 0; j < num_lines ; j++) {
 531                 if (j == 0) {
 532                         PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
 533                                 (timestamp - first_timestamp),
 534                                 (EndOfTransmissionTimestamp - first_timestamp),
 535                                 (isResponse ? "Tag" : "Rdr"),
 536                                 line[j],
 537                                 (j == num_lines-1) ? crc : "    ",
 538                                 (j == num_lines-1) ? explanation : "");
 539                 } else {
 540                         PrintAndLog("           |           |     | %-64s| %s| %s",
 541                                 line[j],
 542                                 (j == num_lines-1)?crc:"    ",
 543                                 (j == num_lines-1) ? explanation : "");
 544                 }
 545         }
 546
 547         if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
 548
 549         bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
 550
 551         if (showWaitCycles && !isResponse && next_isResponse) {
 552                 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
 553                 if (next_timestamp != 0x44444444) {
 554                         PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
 555                                 (EndOfTransmissionTimestamp - first_timestamp),
 556                                 (next_timestamp - first_timestamp),
 557                                 "   ",
 558                                 (next_timestamp - EndOfTransmissionTimestamp));
 559                 }
 560         }
 561
 562         return tracepos;
 563 }
 564
 565
 566 int CmdHFList(const char *Cmd)
 567 {
 568         bool showWaitCycles = false;
 569         char type[40] = {0};
 570         int tlen = param_getstr(Cmd,0,type);
 571         char param = param_getchar(Cmd, 1);
 572         bool errors = false;
 573         uint8_t protocol = 0;
 574         //Validate params
 575         if(tlen == 0)
 576         {
 577                 errors = true;
 578         }
 579         if(param == 'h' || (param !=0 && param != 'f'))
 580         {
 581                 errors = true;
 582         }
 583         if(!errors)
 584         {
 585                 if(strcmp(type, "iclass") == 0)
 586                 {
 587                         protocol = ICLASS;
 588                 }else if(strcmp(type, "14a") == 0)
 589                 {
 590                         protocol = ISO_14443A;
 591                 }
 592                 else if(strcmp(type, "14b") == 0)
 593                 {
 594                         protocol = ISO_14443B;
 595                 }else if(strcmp(type,"raw")== 0)
 596                 {
 597                         protocol = -1;//No crc, no annotations
 598                 }else{
 599                         errors = true;
 600                 }
 601         }
 602
 603         if (errors) {
 604                 PrintAndLog("List protocol data in trace buffer.");
 605                 PrintAndLog("Usage:  hf list <protocol> [f]");
 606                 PrintAndLog("    f      - show frame delay times as well");
 607                 PrintAndLog("Supported <protocol> values:");
 608                 PrintAndLog("    raw    - just show raw data without annotations");
 609                 PrintAndLog("    14a    - interpret data as iso14443a communications");
 610                 PrintAndLog("    14b    - interpret data as iso14443b communications");
 611                 PrintAndLog("    iclass - interpret data as iclass communications");
 612                 PrintAndLog("");
 613                 PrintAndLog("example: hf list 14a f");
 614                 PrintAndLog("example: hf list iclass");
 615                 return 0;
 616         }
 617
 618
 619         if (param == 'f') {
 620                 showWaitCycles = true;
 621         }
 622
 623
 624         uint8_t *trace;
 625         uint16_t tracepos = 0;
 626         trace = malloc(USB_CMD_DATA_SIZE);
 627
 628         // Query for the size of the trace
 629         UsbCommand response;
 630         GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
 631         WaitForResponse(CMD_ACK, &response);
 632         uint16_t traceLen = response.arg[2];
 633         if (traceLen > USB_CMD_DATA_SIZE) {
 634                 uint8_t *p = realloc(trace, traceLen);
 635                 if (p == NULL) {
 636                         PrintAndLog("Cannot allocate memory for trace");
 637                         free(trace);
 638                         return 2;
 639                 }
 640                 trace = p;
 641                 GetFromBigBuf(trace, traceLen, 0);
 642                 WaitForResponse(CMD_ACK, NULL);
 643         }
 644
 645         PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
 646         PrintAndLog("");
 647         PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
 648         PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
 649         PrintAndLog("iClass    - Timings are not as accurate");
 650         PrintAndLog("");
 651         PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
 652         PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
 653
 654         while(tracepos < traceLen)
 655         {
 656                 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles);
 657         }
 658
 659         free(trace);
 660         return 0;
 661 }
 662
 663
 664 static command_t CommandTable[] =
 665 {
 666   {"help",        CmdHelp,          1, "This help"},
 667   {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
 668   {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
 669   {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
 670   {"epa",         CmdHFEPA,         1, "{ German Identification Card... }"},
 671   {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
 672   {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
 673   {"mf",                CmdHFMF,                1, "{ MIFARE RFIDs... }"},
 674   {"mfu",                       CmdHFMFUltra,           1, "{ MIFARE Ultralight RFIDs... }"},
 675   {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
 676   {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
 677         {NULL, NULL, 0, NULL}
 678 };
 679
 680 int CmdHF(const char *Cmd)
 681 {
 682   CmdsParse(CommandTable, Cmd);
 683   return 0;
 684 }
 685
 686 int CmdHelp(const char *Cmd)
 687 {
 688   CmdsHelp(CommandTable);
 689   return 0;
 690 }