git.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 #define ISO14443B_REQB         0x05
 161 #define ISO14443B_ATTRIB       0x1D
 162 #define ISO14443B_HALT         0x50
 163
 164 //First byte is 26
 165 #define ISO15693_INVENTORY     0x01
 166 #define ISO15693_STAYQUIET     0x02
 167 //First byte is 02
 168 #define ISO15693_READBLOCK            0x20
 169 #define ISO15693_WRITEBLOCK           0x21
 170 #define ISO15693_LOCKBLOCK            0x22
 171 #define ISO15693_READ_MULTI_BLOCK     0x23
 172 #define ISO15693_SELECT               0x25
 173 #define ISO15693_RESET_TO_READY       0x26
 174 #define ISO15693_WRITE_AFI            0x27
 175 #define ISO15693_LOCK_AFI             0x28
 176 #define ISO15693_WRITE_DSFID          0x29
 177 #define ISO15693_LOCK_DSFID           0x2A
 178 #define ISO15693_GET_SYSTEM_INFO      0x2B
 179 #define ISO15693_READ_MULTI_SECSTATUS 0x2C
 180
 181
 182 #define ISO_14443A 0
 183 #define ICLASS     1
 184 #define ISO_14443B 2
 185
 186
 187 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 188 {
 189         switch(cmd[0])
 190         {
 191         case ISO14443A_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
 192         case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
 193                 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
 194                 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
 195                 if(cmd[1] == 0x70)
 196                 {
 197                         snprintf(exp,size,"SELECT_UID"); break;
 198                 }else
 199                 {
 200                         snprintf(exp,size,"ANTICOLL"); break;
 201                 }
 202         }
 203         case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
 204                 //95 20 = Anticollision of cascade level2
 205                 //95 70 = Select of cascade level2
 206                 if(cmd[2] == 0x70)
 207                 {
 208                         snprintf(exp,size,"SELECT_UID-2"); break;
 209                 }else
 210                 {
 211                         snprintf(exp,size,"ANTICOLL-2"); break;
 212                 }
 213         }
 214         case ISO14443A_CMD_REQA:       snprintf(exp,size,"REQA"); break;
 215         case ISO14443A_CMD_READBLOCK:  snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
 216         case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
 217         case ISO14443A_CMD_HALT:       snprintf(exp,size,"HALT"); break;
 218         case ISO14443A_CMD_RATS:       snprintf(exp,size,"RATS"); break;
 219         case MIFARE_CMD_INC:          snprintf(exp,size,"INC(%d)",cmd[1]); break;
 220         case MIFARE_CMD_DEC:          snprintf(exp,size,"DEC(%d)",cmd[1]); break;
 221         case MIFARE_CMD_RESTORE:      snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
 222         case MIFARE_CMD_TRANSFER:     snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
 223         case MIFARE_AUTH_KEYA:        snprintf(exp,size,"AUTH-A(%d)",cmd[1]); break;
 224         case MIFARE_AUTH_KEYB:        snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
 225         case MIFARE_MAGICMODE:        snprintf(exp,size,"MAGIC"); break;
 226         default:                      snprintf(exp,size,"?"); break;
 227         }
 228         return;
 229 }
 230
 231 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 232 {
 233         switch(cmd[0])
 234         {
 235         case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
 236         case ICLASS_CMD_READ_OR_IDENTIFY:{
 237                 if(cmdsize > 1){
 238                         snprintf(exp,size,"READ(%d)",cmd[1]);
 239                 }else{
 240                         snprintf(exp,size,"IDENTIFY");
 241                 }
 242                 break;
 243         }
 244         case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
 245         case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
 246         case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
 247         case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
 248         case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
 249         case ICLASS_CMD_DETECT:      snprintf(exp,size,"DETECT"); break;
 250         case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
 251         case ICLASS_CMD_UPDATE:      snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
 252         case ICLASS_CMD_ACT:         snprintf(exp,size,"ACT"); break;
 253         case ICLASS_CMD_READ4:       snprintf(exp,size,"READ4(%d)",cmd[1]); break;
 254         default:                     snprintf(exp,size,"?"); break;
 255         }
 256         return;
 257 }
 258
 259 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 260 {
 261
 262         if(cmd[0] == 0x26)
 263         {
 264                 switch(cmd[1]){
 265                 case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
 266                 case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
 267                 default:                     snprintf(exp,size,"?"); break;
 268
 269                 }
 270         }else if(cmd[0] == 0x02)
 271         {
 272                 switch(cmd[1])
 273                 {
 274                 case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
 275                 case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
 276                 case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
 277                 case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
 278                 case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
 279                 case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
 280                 case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
 281                 case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
 282                 case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");break;
 283                 case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
 284                 case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
 285                 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
 286                 default:                            snprintf(exp,size,"?"); break;
 287                 }
 288         }
 289 }
 290 void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 291 {
 292         switch(cmd[0]){
 293         case ISO14443B_REQB   : snprintf(exp,size,"REQB");break;
 294         case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
 295         case ISO14443B_HALT   : snprintf(exp,size,"HALT");break;
 296         default:                snprintf(exp,size ,"?");break;
 297         }
 298
 299 }
 300
 301 /**
 302  * @brief iso14443B_CRC_Ok Checks CRC in command or response
 303  * @param isResponse
 304  * @param data
 305  * @param len
 306  * @return  0 : CRC-command, CRC not ok
 307  *          1 : CRC-command, CRC ok
 308  *          2 : Not crc-command
 309  */
 310
 311 uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
 312 {
 313         uint8_t b1,b2;
 314
 315         if(len <= 2) return 2;
 316
 317         ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
 318         if(b1 != data[len-2] || b2 != data[len-1]) {
 319           return 0;
 320         }
 321         return 1;
 322 }
 323
 324 /**
 325  * @brief iclass_CRC_Ok Checks CRC in command or response
 326  * @param isResponse
 327  * @param data
 328  * @param len
 329  * @return  0 : CRC-command, CRC not ok
 330  *              1 : CRC-command, CRC ok
 331  *          2 : Not crc-command
 332  */
 333 uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
 334 {
 335         if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
 336
 337         uint8_t b1, b2;
 338
 339         if(!isResponse)//Commands to tag
 340         {
 341                 /**
 342                   These commands should have CRC. Total length leftmost
 343                   4     READ
 344                   4 READ4
 345                   12 UPDATE - unsecured, ends with CRC16
 346                   14 UPDATE - secured, ends with signature instead
 347                   4 PAGESEL
 348                   **/
 349                 if(len == 4 || len == 12)//Covers three of them
 350                 {
 351                         //Don't include the command byte
 352                         ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
 353                         return b1 == data[len -2] && b2 == data[len-1];
 354                 }
 355                 return 2;
 356         }else{
 357                 /**
 358                 These tag responses should have CRC. Total length leftmost
 359
 360                 10  READ                data[8] crc[2]
 361                 34  READ4               data[32]crc[2]
 362                 10  UPDATE      data[8] crc[2]
 363                 10 SELECT       csn[8] crc[2]
 364                 10  IDENTIFY  asnb[8] crc[2]
 365                 10  PAGESEL   block1[8] crc[2]
 366                 10  DETECT    csn[8] crc[2]
 367
 368                 These should not
 369
 370                 4  CHECK                chip_response[4]
 371                 8  READCHECK data[8]
 372                 1  ACTALL    sof[1]
 373                 1  ACT       sof[1]
 374
 375                 In conclusion, without looking at the command; any response
 376                 of length 10 or 34 should have CRC
 377                   **/
 378                 if(len != 10 && len != 34) return true;
 379
 380                 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
 381                 return b1 == data[len -2] && b2 == data[len-1];
 382         }
 383 }
 384
 385 uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles)
 386 {
 387         bool isResponse;
 388         uint16_t duration, data_len, parity_len;
 389
 390         uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
 391         char explanation[30] = {0};
 392
 393         if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
 394
 395         first_timestamp = *((uint32_t *)(trace));
 396         timestamp = *((uint32_t *)(trace + tracepos));
 397
 398         tracepos += 4;
 399         duration = *((uint16_t *)(trace + tracepos));
 400         tracepos += 2;
 401         data_len = *((uint16_t *)(trace + tracepos));
 402         tracepos += 2;
 403
 404         if (data_len & 0x8000) {
 405           data_len &= 0x7fff;
 406           isResponse = true;
 407         } else {
 408           isResponse = false;
 409         }
 410         parity_len = (data_len-1)/8 + 1;
 411
 412         if (tracepos + data_len + parity_len > traceLen) {
 413                 return traceLen;
 414         }
 415
 416         uint8_t *frame = trace + tracepos;
 417         tracepos += data_len;
 418         uint8_t *parityBytes = trace + tracepos;
 419         tracepos += parity_len;
 420
 421         //--- Draw the data column
 422         char line[16][110];
 423         for (int j = 0; j < data_len; j++) {
 424                 int oddparity = 0x01;
 425                 int k;
 426
 427                 for (k=0 ; k<8 ; k++) {
 428                         oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
 429                 }
 430
 431                 uint8_t parityBits = parityBytes[j>>3];
 432
 433                 if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
 434                         sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
 435                 } else {
 436                         sprintf(line[j/16]+((j%16)*4), "%02x  ", frame[j]);
 437                 }
 438         }
 439         //--- Draw the CRC column
 440         uint8_t crcStatus = 2;
 441
 442         if (data_len > 2) {
 443                 uint8_t b1, b2;
 444                 if(protocol == ICLASS)
 445                 {
 446                         crcStatus = iclass_CRC_check(isResponse, frame, data_len);
 447
 448                 }else if (protocol == ISO_14443B)
 449                 {
 450                         crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
 451                 }
 452                 else if (protocol == ISO_14443A){//Iso 14443a
 453
 454                         ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
 455
 456                         if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
 457                                 if(!(isResponse & (data_len < 6)))
 458                                 {
 459                                                 crcStatus = 0;
 460                                 }
 461                         }
 462                 }
 463         }
 464         //0 CRC-command, CRC not ok
 465         //1 CRC-command, CRC ok
 466         //2 Not crc-command
 467         char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : "    "));
 468
 469         EndOfTransmissionTimestamp = timestamp + duration;
 470
 471         if(!isResponse)
 472         {
 473                 if(protocol == ICLASS)
 474                         annotateIclass(explanation,sizeof(explanation),frame,data_len);
 475                 else if (protocol == ISO_14443A)
 476                         annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
 477                 else if(protocol == ISO_14443B)
 478                         annotateIso14443b(explanation,sizeof(explanation),frame,data_len);
 479         }
 480
 481         int num_lines = (data_len - 1)/16 + 1;
 482         for (int j = 0; j < num_lines; j++) {
 483                 if (j == 0) {
 484                         PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
 485                                 (timestamp - first_timestamp),
 486                                 (EndOfTransmissionTimestamp - first_timestamp),
 487                                 (isResponse ? "Tag" : "Rdr"),
 488                                 line[j],
 489                                 (j == num_lines-1) ? crc : "    ",
 490                                 (j == num_lines-1) ? explanation : "");
 491                 } else {
 492                         PrintAndLog("           |           |     | %-64s| %s| %s",
 493                                 line[j],
 494                                 (j == num_lines-1)?crc:"    ",
 495                                 (j == num_lines-1) ? explanation : "");
 496                 }
 497         }
 498
 499         if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
 500
 501         bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
 502
 503         if (showWaitCycles && !isResponse && next_isResponse) {
 504                 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
 505                 if (next_timestamp != 0x44444444) {
 506                         PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
 507                                 (EndOfTransmissionTimestamp - first_timestamp),
 508                                 (next_timestamp - first_timestamp),
 509                                 "   ",
 510                                 (next_timestamp - EndOfTransmissionTimestamp));
 511                 }
 512         }
 513
 514         return tracepos;
 515 }
 516
 517
 518 int CmdHFList(const char *Cmd)
 519 {
 520         bool showWaitCycles = false;
 521         char type[40] = {0};
 522         int tlen = param_getstr(Cmd,0,type);
 523         char param = param_getchar(Cmd, 1);
 524         bool errors = false;
 525         uint8_t protocol = 0;
 526         //Validate params
 527         if(tlen == 0)
 528         {
 529                 errors = true;
 530         }
 531         if(param == 'h' || (param !=0 && param != 'f'))
 532         {
 533                 errors = true;
 534         }
 535         if(!errors)
 536         {
 537                 if(strcmp(type, "iclass") == 0)
 538                 {
 539                         protocol = ICLASS;
 540                 }else if(strcmp(type, "14a") == 0)
 541                 {
 542                         protocol = ISO_14443A;
 543                 }
 544                 else if(strcmp(type, "14b") == 0)
 545                 {
 546                         protocol = ISO_14443B;
 547                 }else if(strcmp(type,"raw")== 0)
 548                 {
 549                         protocol = -1;//No crc, no annotations
 550                 }else{
 551                         errors = true;
 552                 }
 553         }
 554
 555         if (errors) {
 556                 PrintAndLog("List protocol data in trace buffer.");
 557                 PrintAndLog("Usage:  hf list [14a|14b|iclass] [f]");
 558                 PrintAndLog("    14a    - interpret data as iso14443a communications");
 559                 PrintAndLog("    14b    - interpret data as iso14443b communications");
 560                 PrintAndLog("    iclass - interpret data as iclass communications");
 561                 PrintAndLog("    raw    - just show raw data");
 562                 PrintAndLog("    f      - show frame delay times as well");
 563                 PrintAndLog("");
 564                 PrintAndLog("example: hf list 14a f");
 565                 PrintAndLog("example: hf list iclass");
 566                 return 0;
 567         }
 568
 569
 570         if (param == 'f') {
 571                 showWaitCycles = true;
 572         }
 573
 574
 575         uint8_t *trace;
 576         uint16_t tracepos = 0;
 577         trace = malloc(USB_CMD_DATA_SIZE);
 578
 579         // Query for the size of the trace
 580         UsbCommand response;
 581         GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
 582         WaitForResponse(CMD_ACK, &response);
 583         uint16_t traceLen = response.arg[2];
 584         if (traceLen > USB_CMD_DATA_SIZE) {
 585                 uint8_t *p = realloc(trace, traceLen);
 586                 if (p == NULL) {
 587                         PrintAndLog("Cannot allocate memory for trace");
 588                         free(trace);
 589                         return 2;
 590                 }
 591                 trace = p;
 592                 GetFromBigBuf(trace, traceLen, 0);
 593                 WaitForResponse(CMD_ACK, NULL);
 594         }
 595
 596         PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
 597         PrintAndLog("");
 598         PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
 599         PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
 600         PrintAndLog("iClass    - Timings are not as accurate");
 601         PrintAndLog("");
 602         PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
 603         PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
 604
 605         while(tracepos < traceLen)
 606         {
 607                 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles);
 608         }
 609
 610         free(trace);
 611         return 0;
 612 }
 613
 614
 615 static command_t CommandTable[] =
 616 {
 617   {"help",        CmdHelp,          1, "This help"},
 618   {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
 619   {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
 620   {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
 621   {"epa",         CmdHFEPA,         1, "{ German Identification Card... }"},
 622   {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
 623   {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
 624   {"mf",                CmdHFMF,                1, "{ MIFARE RFIDs... }"},
 625   {"mfu",                       CmdHFMFUltra,           1, "{ MIFARE Ultralight RFIDs... }"},
 626   {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
 627   {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
 628         {NULL, NULL, 0, NULL}
 629 };
 630
 631 int CmdHF(const char *Cmd)
 632 {
 633   CmdsParse(CommandTable, Cmd);
 634   return 0;
 635 }
 636
 637 int CmdHelp(const char *Cmd)
 638 {
 639   CmdsHelp(CommandTable);
 640   return 0;
 641 }