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 #include "cmdhfmfdes.h"
  27 #include "cmdhfdes.h"
  28
  29 static int CmdHelp(const char *Cmd);
  30
  31 int CmdHFTune(const char *Cmd)
  32 {
  33   UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
  34   SendCommand(&c);
  35   return 0;
  36 }
  37 // for the time being. Need better Bigbuf handling.
  38 #define TRACE_SIZE 3000
  39
  40 //The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
  41 /*
  42 ISO14443A (usually NFC tags)
  43         26 (7bits) = REQA
  44         30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
  45         A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
  46         52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
  47         93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
  48         93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
  49         95 20 = Anticollision of cascade level2
  50         95 70 = Select of cascade level2
  51         50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
  52 Mifare
  53         60 = Authenticate with KeyA
  54         61 = Authenticate with KeyB
  55         40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
  56         C0 = Decrement
  57         C1 = Increment
  58         C2 = Restore
  59         B0 = Transfer
  60 Ultralight C
  61         A0 = Compatibility Write (to accomodate MIFARE commands)
  62         1A = Step1 Authenticate
  63         AF = Step2 Authenticate
  64
  65
  66 ISO14443B
  67         05 = REQB
  68         1D = ATTRIB
  69         50 = HALT
  70 SRIX4K (tag does not respond to 05)
  71         06 00 = INITIATE
  72         0E xx = SELECT ID (xx = Chip-ID)
  73         0B = Get UID
  74         08 yy = Read Block (yy = block number)
  75         09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
  76         0C = Reset to Inventory
  77         0F = Completion
  78         0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
  79
  80
  81 ISO15693
  82         MANDATORY COMMANDS (all ISO15693 tags must support those)
  83                 01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
  84                 02 = Stay Quiet
  85         OPTIONAL COMMANDS (not all tags support them)
  86                 20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
  87                 21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
  88                 22 = Lock Block
  89                 23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
  90                 25 = Select
  91                 26 = Reset to Ready
  92                 27 = Write AFI
  93                 28 = Lock AFI
  94                 29 = Write DSFID
  95                 2A = Lock DSFID
  96                 2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
  97                 2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)
  98
  99 EM Microelectronic CUSTOM COMMANDS
 100         A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
 101         A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
 102         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)
 103         E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
 104 NXP/Philips CUSTOM COMMANDS
 105         A0 = Inventory Read
 106         A1 = Fast Inventory Read
 107         A2 = Set EAS
 108         A3 = Reset EAS
 109         A4 = Lock EAS
 110         A5 = EAS Alarm
 111         A6 = Password Protect EAS
 112         A7 = Write EAS ID
 113         A8 = Read EPC
 114         B0 = Inventory Page Read
 115         B1 = Fast Inventory Page Read
 116         B2 = Get Random Number
 117         B3 = Set Password
 118         B4 = Write Password
 119         B5 = Lock Password
 120         B6 = Bit Password Protection
 121         B7 = Lock Page Protection Condition
 122         B8 = Get Multiple Block Protection Status
 123         B9 = Destroy SLI
 124         BA = Enable Privacy
 125         BB = 64bit Password Protection
 126         40 = Long Range CMD (Standard ISO/TR7003:1990)
 127                 */
 128
 129 #define ICLASS_CMD_ACTALL 0x0A
 130 #define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
 131 #define ICLASS_CMD_SELECT 0x81
 132 #define ICLASS_CMD_PAGESEL 0x84
 133 #define ICLASS_CMD_READCHECK 0x88
 134 #define ICLASS_CMD_CHECK 0x05
 135 #define ICLASS_CMD_SOF 0x0F
 136 #define ICLASS_CMD_HALT 0x00
 137
 138 #define ISO14443_CMD_REQA       0x26
 139 #define ISO14443_CMD_READBLOCK  0x30
 140 #define ISO14443_CMD_WUPA       0x52
 141 #define ISO14443_CMD_ANTICOLL_OR_SELECT     0x93
 142 #define ISO14443_CMD_ANTICOLL_OR_SELECT_2   0x95
 143 #define ISO14443_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
 144 #define ISO14443_CMD_HALT       0x50
 145 #define ISO14443_CMD_RATS       0xE0
 146
 147 #define MIFARE_AUTH_KEYA            0x60
 148 #define MIFARE_AUTH_KEYB            0x61
 149 #define MIFARE_MAGICMODE            0x40
 150 #define MIFARE_CMD_INC          0xC0
 151 #define MIFARE_CMD_DEC          0xC1
 152 #define MIFARE_CMD_RESTORE      0xC2
 153 #define MIFARE_CMD_TRANSFER     0xB0
 154
 155 #define MIFARE_ULC_WRITE        0xA0
 156 #define MIFARE_ULC_AUTH_1       0x1A
 157 #define MIFARE_ULC_AUTH_2        0xAF
 158
 159 #define ISO14443B_REQB         0x05
 160 #define ISO14443B_ATTRIB       0x1D
 161 #define ISO14443B_HALT         0x50
 162
 163 //First byte is 26
 164 #define ISO15693_INVENTORY     0x01
 165 #define ISO15693_STAYQUIET     0x02
 166 //First byte is 02
 167 #define ISO15693_READBLOCK            0x20
 168 #define ISO15693_WRITEBLOCK           0x21
 169 #define ISO15693_LOCKBLOCK            0x22
 170 #define ISO15693_READ_MULTI_BLOCK     0x23
 171 #define ISO15693_SELECT               0x25
 172 #define ISO15693_RESET_TO_READY       0x26
 173 #define ISO15693_WRITE_AFI            0x27
 174 #define ISO15693_LOCK_AFI             0x28
 175 #define ISO15693_WRITE_DSFID          0x29
 176 #define ISO15693_LOCK_DSFID           0x2A
 177 #define ISO15693_GET_SYSTEM_INFO      0x2B
 178 #define ISO15693_READ_MULTI_SECSTATUS 0x2C
 179
 180
 181
 182
 183 void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 184 {
 185         switch(cmd[0])
 186         {
 187         case ISO14443_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
 188         case ISO14443_CMD_ANTICOLL_OR_SELECT:{
 189                 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
 190                 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
 191                 if(cmd[2] == 0x70)
 192                 {
 193                         snprintf(exp,size,"SELECT_UID"); break;
 194                 }else
 195                 {
 196                         snprintf(exp,size,"ANTICOLL"); break;
 197                 }
 198         }
 199         case ISO14443_CMD_ANTICOLL_OR_SELECT_2:{
 200                 //95 20 = Anticollision of cascade level2
 201                 //95 70 = Select of cascade level2
 202                 if(cmd[2] == 0x70)
 203                 {
 204                         snprintf(exp,size,"SELECT_UID-2"); break;
 205                 }else
 206                 {
 207                         snprintf(exp,size,"ANTICOLL-2"); break;
 208                 }
 209         }
 210         case ISO14443_CMD_REQA:       snprintf(exp,size,"REQA"); break;
 211         case ISO14443_CMD_READBLOCK:  snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
 212         case ISO14443_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
 213         case ISO14443_CMD_HALT:       snprintf(exp,size,"HALT"); break;
 214         case ISO14443_CMD_RATS:       snprintf(exp,size,"RATS"); break;
 215         case MIFARE_CMD_INC:          snprintf(exp,size,"INC(%d)",cmd[1]); break;
 216         case MIFARE_CMD_DEC:          snprintf(exp,size,"DEC(%d)",cmd[1]); break;
 217         case MIFARE_CMD_RESTORE:      snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
 218         case MIFARE_CMD_TRANSFER:     snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
 219         case MIFARE_AUTH_KEYA:        snprintf(exp,size,"AUTH-A"); break;
 220         case MIFARE_AUTH_KEYB:        snprintf(exp,size,"AUTH-B"); break;
 221         case MIFARE_MAGICMODE:        snprintf(exp,size,"MAGIC"); break;
 222         default:                       snprintf(exp,size,"?"); break;
 223         }
 224         return;
 225 }
 226
 227 void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 228 {
 229         switch(cmd[0])
 230         {
 231         case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
 232         case ICLASS_CMD_READ_OR_IDENTIFY:{
 233                 if(cmdsize > 1){
 234                         snprintf(exp,size,"READ(%d)",cmd[1]);
 235                 }else{
 236                         snprintf(exp,size,"IDENTIFY");
 237                 }
 238                 break;
 239         }
 240         case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
 241         case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL"); break;
 242         case ICLASS_CMD_READCHECK:   snprintf(exp,size,"READCHECK"); break;
 243         case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
 244         case ICLASS_CMD_SOF:         snprintf(exp,size,"SOF"); break;
 245         case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
 246         default:                     snprintf(exp,size,"?"); break;
 247         }
 248         return;
 249 }
 250
 251 void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 252 {
 253
 254         if(cmd[0] == 0x26)
 255         {
 256                 switch(cmd[1]){
 257                 case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
 258                 case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
 259                 default:                     snprintf(exp,size,"?"); break;
 260
 261                 }
 262         }else if(cmd[0] == 0x02)
 263         {
 264                 switch(cmd[1])
 265                 {
 266                 case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
 267                 case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
 268                 case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
 269                 case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
 270                 case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
 271                 case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
 272                 case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
 273                 case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
 274                 case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");break;
 275                 case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
 276                 case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
 277                 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
 278                 default:                     snprintf(exp,size,"?"); break;
 279                 }
 280         }
 281 }
 282
 283 uint16_t printTraceLine(uint16_t tracepos, uint8_t* trace, bool iclass, bool showWaitCycles)
 284 {
 285         bool isResponse;
 286         uint16_t duration, data_len,parity_len;
 287
 288         uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
 289         char explanation[30] = {0};
 290
 291         first_timestamp = *((uint32_t *)(trace));
 292         timestamp = *((uint32_t *)(trace + tracepos));
 293         // Break and stick with current result if buffer was not completely full
 294         if (timestamp == 0x44444444) return TRACE_SIZE;
 295
 296         tracepos += 4;
 297         duration = *((uint16_t *)(trace + tracepos));
 298         tracepos += 2;
 299         data_len = *((uint16_t *)(trace + tracepos));
 300         tracepos += 2;
 301
 302         if (data_len & 0x8000) {
 303           data_len &= 0x7fff;
 304           isResponse = true;
 305         } else {
 306           isResponse = false;
 307         }
 308         parity_len = (data_len-1)/8 + 1;
 309
 310         if (tracepos + data_len + parity_len >= TRACE_SIZE) {
 311                 return TRACE_SIZE;
 312         }
 313
 314         uint8_t *frame = trace + tracepos;
 315         tracepos += data_len;
 316         uint8_t *parityBytes = trace + tracepos;
 317         tracepos += parity_len;
 318
 319         //--- Draw the data column
 320         char line[16][110];
 321         for (int j = 0; j < data_len; j++) {
 322                 int oddparity = 0x01;
 323                 int k;
 324
 325                 for (k=0 ; k<8 ; k++) {
 326                         oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
 327                 }
 328
 329                 uint8_t parityBits = parityBytes[j>>3];
 330
 331                 if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
 332                         sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
 333                 } else {
 334                         sprintf(line[j/16]+((j%16)*4), "%02x  ", frame[j]);
 335                 }
 336         }
 337         //--- Draw the CRC column
 338         bool crcError = false;
 339
 340         if (data_len > 2) {
 341                 uint8_t b1, b2;
 342                 if(iclass)
 343                 {
 344                         if(!isResponse && data_len == 4 ) {
 345                                 // Rough guess that this is a command from the reader
 346                                 // For iClass the command byte is not part of the CRC
 347                                 ComputeCrc14443(CRC_ICLASS, &frame[1], data_len-3, &b1, &b2);
 348                         } else {
 349                                 // For other data.. CRC might not be applicable (UPDATE commands etc.)
 350                                 ComputeCrc14443(CRC_ICLASS, frame, data_len-2, &b1, &b2);
 351                         }
 352
 353                         if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
 354                                 crcError = true;
 355                         }
 356
 357                 } else {//Iso 14443a
 358
 359                         ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
 360
 361                         if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
 362                                 if(!(isResponse & (data_len < 6)))
 363                                 {
 364                                                 crcError = true;
 365                                 }
 366                         }
 367                 }
 368         }
 369         char *crc = crcError ? "!crc" :"    ";
 370
 371         EndOfTransmissionTimestamp = timestamp + duration;
 372
 373         if(!isResponse)
 374         {
 375                 if(iclass)
 376                         annotateIclass(explanation,sizeof(explanation),frame,data_len);
 377                 else
 378                         annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
 379         }
 380
 381         int num_lines = (data_len - 1)/16 + 1;
 382         for (int j = 0; j < num_lines; j++) {
 383                 if (j == 0) {
 384                         PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
 385                                 (timestamp - first_timestamp),
 386                                 (EndOfTransmissionTimestamp - first_timestamp),
 387                                 (isResponse ? "Tag" : "Rdr"),
 388                                 line[j],
 389                                 (j == num_lines-1) ? crc : "    ",
 390                                 (j == num_lines-1) ? explanation : "");
 391                 } else {
 392                         PrintAndLog("           |           |     | %-64s| %s| %s",
 393                                 line[j],
 394                                 (j == num_lines-1) ? crc : "    ",
 395                                 (j == num_lines-1) ? explanation : "");
 396                 }
 397         }
 398
 399         bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
 400
 401         if (showWaitCycles && !isResponse && next_isResponse) {
 402                 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
 403                 if (next_timestamp != 0x44444444) {
 404                         PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
 405                                 (EndOfTransmissionTimestamp - first_timestamp),
 406                                 (next_timestamp - first_timestamp),
 407                                 "   ",
 408                                 (next_timestamp - EndOfTransmissionTimestamp));
 409                 }
 410         }
 411         return tracepos;
 412 }
 413
 414 int CmdHFList(const char *Cmd)
 415 {
 416         bool showWaitCycles = false;
 417         char type[40] = {0};
 418         int tlen = param_getstr(Cmd,0,type);
 419         char param = param_getchar(Cmd, 1);
 420         bool errors = false;
 421         bool iclass = false;
 422         //Validate params
 423         if(tlen == 0 || (strcmp(type, "iclass") != 0 && strcmp(type,"14a") != 0))
 424         {
 425                 errors = true;
 426         }
 427         if(param == 'h' || (param !=0 && param != 'f'))
 428         {
 429                 errors = true;
 430         }
 431
 432         if (errors) {
 433                 PrintAndLog("List protocol data in trace buffer.");
 434                 PrintAndLog("Usage:  hf list [14a|iclass] [f]");
 435                 PrintAndLog("    14a    - interpret data as iso14443a communications");
 436                 PrintAndLog("    iclass - interpret data as iclass communications");
 437                 PrintAndLog("    f      - show frame delay times as well");
 438                 PrintAndLog("");
 439                 PrintAndLog("example: hf list 14a f");
 440                 PrintAndLog("example: hf list iclass");
 441                 return 0;
 442         }
 443         if(strcmp(type, "iclass") == 0)
 444         {
 445                 iclass = true;
 446         }
 447
 448         if (param == 'f') {
 449                 showWaitCycles = true;
 450         }
 451
 452
 453         uint8_t trace[TRACE_SIZE];
 454         uint16_t tracepos = 0;
 455         GetFromBigBuf(trace, TRACE_SIZE, 0);
 456         WaitForResponse(CMD_ACK, NULL);
 457
 458         PrintAndLog("Recorded Activity");
 459         PrintAndLog("");
 460         PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
 461         PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
 462         PrintAndLog("iClass    - Timings are not as accurate");
 463         PrintAndLog("");
 464         PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
 465         PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
 466
 467         while(tracepos < TRACE_SIZE)
 468         {
 469                 tracepos = printTraceLine(tracepos, trace, iclass, showWaitCycles);
 470         }
 471         return 0;
 472 }
 473
 474
 475 static command_t CommandTable[] =
 476 {
 477   {"help",        CmdHelp,          1, "This help"},
 478   {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
 479   {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
 480   {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
 481   {"epa",         CmdHFEPA,         1, "{ German Identification Card... }"},
 482   {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
 483   {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
 484   {"mf",                CmdHFMF,                      1, "{ MIFARE RFIDs... }"},
 485   {"mfu",                       CmdHFMFUltra,           1, "{ MIFARE Ultralight RFIDs... }"},
 486   {"mfdes",                     CmdHFMFDes,                     1, "{ MIFARE Desfire RFIDs... }"},
 487   {"des",         CmdHFDES,         0, "{ MIFARE DESfire}"},
 488   {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
 489   {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
 490   {NULL, NULL, 0, NULL}
 491 };
 492
 493 int CmdHF(const char *Cmd)
 494 {
 495   CmdsParse(CommandTable, Cmd);
 496   return 0;
 497 }
 498
 499 int CmdHelp(const char *Cmd)
 500 {
 501   CmdsHelp(CommandTable);
 502   return 0;
 503 }