| 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 <stdlib.h> |
| 12 | #include <stdio.h> |
| 13 | #include <string.h> |
| 14 | #include "proxmark3.h" |
| 15 | #include "util.h" |
| 16 | #include "data.h" |
| 17 | #include "ui.h" |
| 18 | #include "iso14443crc.h" |
| 19 | #include "parity.h" |
| 20 | #include "cmdmain.h" |
| 21 | #include "cmdparser.h" |
| 22 | #include "cmdhf.h" |
| 23 | #include "cmdhf14a.h" |
| 24 | #include "cmdhf14b.h" |
| 25 | #include "cmdhf15.h" |
| 26 | #include "cmdhfepa.h" |
| 27 | #include "cmdhflegic.h" |
| 28 | #include "cmdhficlass.h" |
| 29 | #include "cmdhfmf.h" |
| 30 | #include "cmdhfmfu.h" |
| 31 | #include "cmdhftopaz.h" |
| 32 | #include "protocols.h" |
| 33 | #include "emv/cmdemv.h" |
| 34 | |
| 35 | static int CmdHelp(const char *Cmd); |
| 36 | |
| 37 | int CmdHFTune(const char *Cmd) |
| 38 | { |
| 39 | UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF}; |
| 40 | SendCommand(&c); |
| 41 | return 0; |
| 42 | } |
| 43 | |
| 44 | |
| 45 | void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) |
| 46 | { |
| 47 | switch(cmd[0]) |
| 48 | { |
| 49 | case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break; |
| 50 | case ISO14443A_CMD_ANTICOLL_OR_SELECT:{ |
| 51 | // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor) |
| 52 | // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK) |
| 53 | if(cmd[1] == 0x70) |
| 54 | { |
| 55 | snprintf(exp,size,"SELECT_UID"); break; |
| 56 | }else |
| 57 | { |
| 58 | snprintf(exp,size,"ANTICOLL"); break; |
| 59 | } |
| 60 | } |
| 61 | case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{ |
| 62 | //95 20 = Anticollision of cascade level2 |
| 63 | //95 70 = Select of cascade level2 |
| 64 | if(cmd[2] == 0x70) |
| 65 | { |
| 66 | snprintf(exp,size,"SELECT_UID-2"); break; |
| 67 | }else |
| 68 | { |
| 69 | snprintf(exp,size,"ANTICOLL-2"); break; |
| 70 | } |
| 71 | } |
| 72 | case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break; |
| 73 | case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break; |
| 74 | case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break; |
| 75 | case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break; |
| 76 | case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break; |
| 77 | case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break; |
| 78 | case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break; |
| 79 | case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break; |
| 80 | case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break; |
| 81 | case MIFARE_AUTH_KEYA:{ |
| 82 | if ( cmdsize > 3) |
| 83 | snprintf(exp,size,"AUTH-A(%d)",cmd[1]); |
| 84 | else |
| 85 | // case MIFARE_ULEV1_VERSION : both 0x60. |
| 86 | snprintf(exp,size,"EV1 VERSION"); |
| 87 | break; |
| 88 | } |
| 89 | case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break; |
| 90 | case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break; |
| 91 | case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break; |
| 92 | case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break; |
| 93 | case MIFARE_ULC_AUTH_1: snprintf(exp,size,"AUTH "); break; |
| 94 | case MIFARE_ULC_AUTH_2: snprintf(exp,size,"AUTH_ANSW"); break; |
| 95 | case MIFARE_ULEV1_AUTH: |
| 96 | if ( cmdsize == 7 ) |
| 97 | snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] ); |
| 98 | else |
| 99 | snprintf(exp,size,"PWD-AUTH"); |
| 100 | break; |
| 101 | case MIFARE_ULEV1_FASTREAD:{ |
| 102 | if ( cmdsize >=3 && cmd[2] <= 0xE6) |
| 103 | snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]); |
| 104 | else |
| 105 | snprintf(exp,size,"?"); |
| 106 | break; |
| 107 | } |
| 108 | case MIFARE_ULC_WRITE:{ |
| 109 | if ( cmd[1] < 0x21 ) |
| 110 | snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); |
| 111 | else |
| 112 | snprintf(exp,size,"?"); |
| 113 | break; |
| 114 | } |
| 115 | case MIFARE_ULEV1_READ_CNT:{ |
| 116 | if ( cmd[1] < 5 ) |
| 117 | snprintf(exp,size,"READ CNT(%d)",cmd[1]); |
| 118 | else |
| 119 | snprintf(exp,size,"?"); |
| 120 | break; |
| 121 | } |
| 122 | case MIFARE_ULEV1_INCR_CNT:{ |
| 123 | if ( cmd[1] < 5 ) |
| 124 | snprintf(exp,size,"INCR(%d)",cmd[1]); |
| 125 | else |
| 126 | snprintf(exp,size,"?"); |
| 127 | break; |
| 128 | } |
| 129 | case MIFARE_ULEV1_READSIG: snprintf(exp,size,"READ_SIG"); break; |
| 130 | case MIFARE_ULEV1_CHECKTEAR: snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break; |
| 131 | case MIFARE_ULEV1_VCSL: snprintf(exp,size,"VCSL"); break; |
| 132 | default: snprintf(exp,size,"?"); break; |
| 133 | } |
| 134 | return; |
| 135 | } |
| 136 | |
| 137 | void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) |
| 138 | { |
| 139 | switch(cmd[0]) |
| 140 | { |
| 141 | case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break; |
| 142 | case ICLASS_CMD_READ_OR_IDENTIFY:{ |
| 143 | if(cmdsize > 1){ |
| 144 | snprintf(exp,size,"READ(%d)",cmd[1]); |
| 145 | }else{ |
| 146 | snprintf(exp,size,"IDENTIFY"); |
| 147 | } |
| 148 | break; |
| 149 | } |
| 150 | case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break; |
| 151 | case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break; |
| 152 | case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break; |
| 153 | case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break; |
| 154 | case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break; |
| 155 | case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break; |
| 156 | case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break; |
| 157 | case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break; |
| 158 | case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break; |
| 159 | case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break; |
| 160 | default: snprintf(exp,size,"?"); break; |
| 161 | } |
| 162 | return; |
| 163 | } |
| 164 | |
| 165 | void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) |
| 166 | { |
| 167 | |
| 168 | if(cmd[0] == 0x26) |
| 169 | { |
| 170 | switch(cmd[1]){ |
| 171 | case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break; |
| 172 | case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break; |
| 173 | default: snprintf(exp,size,"?"); break; |
| 174 | |
| 175 | } |
| 176 | }else if(cmd[0] == 0x02) |
| 177 | { |
| 178 | switch(cmd[1]) |
| 179 | { |
| 180 | case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break; |
| 181 | case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break; |
| 182 | case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break; |
| 183 | case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break; |
| 184 | case ISO15693_SELECT :snprintf(exp, size, "SELECT");break; |
| 185 | case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break; |
| 186 | case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break; |
| 187 | case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break; |
| 188 | case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break; |
| 189 | case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break; |
| 190 | case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break; |
| 191 | case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break; |
| 192 | default: snprintf(exp,size,"?"); break; |
| 193 | } |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | |
| 198 | void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) |
| 199 | { |
| 200 | switch(cmd[0]) { |
| 201 | case TOPAZ_REQA :snprintf(exp, size, "REQA");break; |
| 202 | case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break; |
| 203 | case TOPAZ_RID :snprintf(exp, size, "RID");break; |
| 204 | case TOPAZ_RALL :snprintf(exp, size, "RALL");break; |
| 205 | case TOPAZ_READ :snprintf(exp, size, "READ");break; |
| 206 | case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break; |
| 207 | case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break; |
| 208 | case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break; |
| 209 | case TOPAZ_READ8 :snprintf(exp, size, "READ8");break; |
| 210 | case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break; |
| 211 | case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break; |
| 212 | default: snprintf(exp,size,"?"); break; |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | |
| 217 | /** |
| 218 | 06 00 = INITIATE |
| 219 | 0E xx = SELECT ID (xx = Chip-ID) |
| 220 | 0B = Get UID |
| 221 | 08 yy = Read Block (yy = block number) |
| 222 | 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written) |
| 223 | 0C = Reset to Inventory |
| 224 | 0F = Completion |
| 225 | 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate) |
| 226 | **/ |
| 227 | |
| 228 | void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) |
| 229 | { |
| 230 | switch(cmd[0]){ |
| 231 | case ISO14443B_REQB : snprintf(exp,size,"REQB");break; |
| 232 | case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break; |
| 233 | case ISO14443B_HALT : snprintf(exp,size,"HALT");break; |
| 234 | case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break; |
| 235 | case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break; |
| 236 | case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break; |
| 237 | case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break; |
| 238 | case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break; |
| 239 | case ISO14443B_RESET : snprintf(exp,size,"RESET");break; |
| 240 | case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break; |
| 241 | case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break; |
| 242 | default : snprintf(exp,size ,"?");break; |
| 243 | } |
| 244 | |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * @brief iso14443A_CRC_check Checks CRC in command or response |
| 249 | * @param isResponse |
| 250 | * @param data |
| 251 | * @param len |
| 252 | * @return 0 : CRC-command, CRC not ok |
| 253 | * 1 : CRC-command, CRC ok |
| 254 | * 2 : Not crc-command |
| 255 | */ |
| 256 | |
| 257 | uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len) |
| 258 | { |
| 259 | uint8_t b1,b2; |
| 260 | |
| 261 | if(len <= 2) return 2; |
| 262 | |
| 263 | if(isResponse & (len < 6)) return 2; |
| 264 | |
| 265 | ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2); |
| 266 | if (b1 != data[len-2] || b2 != data[len-1]) { |
| 267 | return 0; |
| 268 | } else { |
| 269 | return 1; |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | |
| 274 | /** |
| 275 | * @brief iso14443B_CRC_check Checks CRC in command or response |
| 276 | * @param isResponse |
| 277 | * @param data |
| 278 | * @param len |
| 279 | * @return 0 : CRC-command, CRC not ok |
| 280 | * 1 : CRC-command, CRC ok |
| 281 | * 2 : Not crc-command |
| 282 | */ |
| 283 | |
| 284 | uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len) |
| 285 | { |
| 286 | uint8_t b1,b2; |
| 287 | |
| 288 | if(len <= 2) return 2; |
| 289 | |
| 290 | ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2); |
| 291 | if(b1 != data[len-2] || b2 != data[len-1]) { |
| 292 | return 0; |
| 293 | } else { |
| 294 | return 1; |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * @brief iclass_CRC_Ok Checks CRC in command or response |
| 300 | * @param isResponse |
| 301 | * @param data |
| 302 | * @param len |
| 303 | * @return 0 : CRC-command, CRC not ok |
| 304 | * 1 : CRC-command, CRC ok |
| 305 | * 2 : Not crc-command |
| 306 | */ |
| 307 | uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len) |
| 308 | { |
| 309 | if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes |
| 310 | |
| 311 | uint8_t b1, b2; |
| 312 | |
| 313 | if(!isResponse)//Commands to tag |
| 314 | { |
| 315 | /** |
| 316 | These commands should have CRC. Total length leftmost |
| 317 | 4 READ |
| 318 | 4 READ4 |
| 319 | 12 UPDATE - unsecured, ends with CRC16 |
| 320 | 14 UPDATE - secured, ends with signature instead |
| 321 | 4 PAGESEL |
| 322 | **/ |
| 323 | if(len == 4 || len == 12)//Covers three of them |
| 324 | { |
| 325 | //Don't include the command byte |
| 326 | ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2); |
| 327 | return b1 == data[len -2] && b2 == data[len-1]; |
| 328 | } |
| 329 | return 2; |
| 330 | }else{ |
| 331 | /** |
| 332 | These tag responses should have CRC. Total length leftmost |
| 333 | |
| 334 | 10 READ data[8] crc[2] |
| 335 | 34 READ4 data[32]crc[2] |
| 336 | 10 UPDATE data[8] crc[2] |
| 337 | 10 SELECT csn[8] crc[2] |
| 338 | 10 IDENTIFY asnb[8] crc[2] |
| 339 | 10 PAGESEL block1[8] crc[2] |
| 340 | 10 DETECT csn[8] crc[2] |
| 341 | |
| 342 | These should not |
| 343 | |
| 344 | 4 CHECK chip_response[4] |
| 345 | 8 READCHECK data[8] |
| 346 | 1 ACTALL sof[1] |
| 347 | 1 ACT sof[1] |
| 348 | |
| 349 | In conclusion, without looking at the command; any response |
| 350 | of length 10 or 34 should have CRC |
| 351 | **/ |
| 352 | if(len != 10 && len != 34) return true; |
| 353 | |
| 354 | ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2); |
| 355 | return b1 == data[len -2] && b2 == data[len-1]; |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | |
| 360 | bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen) |
| 361 | { |
| 362 | return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen); |
| 363 | } |
| 364 | |
| 365 | |
| 366 | bool next_record_is_response(uint16_t tracepos, uint8_t *trace) |
| 367 | { |
| 368 | uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t))); |
| 369 | |
| 370 | return(next_records_datalen & 0x8000); |
| 371 | } |
| 372 | |
| 373 | |
| 374 | bool merge_topaz_reader_frames(uint32_t timestamp, uint32_t *duration, uint16_t *tracepos, uint16_t traceLen, uint8_t *trace, uint8_t *frame, uint8_t *topaz_reader_command, uint16_t *data_len) |
| 375 | { |
| 376 | |
| 377 | #define MAX_TOPAZ_READER_CMD_LEN 16 |
| 378 | |
| 379 | uint32_t last_timestamp = timestamp + *duration; |
| 380 | |
| 381 | if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false; |
| 382 | |
| 383 | memcpy(topaz_reader_command, frame, *data_len); |
| 384 | |
| 385 | while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) { |
| 386 | uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos)); |
| 387 | *tracepos += sizeof(uint32_t); |
| 388 | uint16_t next_duration = *((uint16_t *)(trace + *tracepos)); |
| 389 | *tracepos += sizeof(uint16_t); |
| 390 | uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF; |
| 391 | *tracepos += sizeof(uint16_t); |
| 392 | uint8_t *next_frame = (trace + *tracepos); |
| 393 | *tracepos += next_data_len; |
| 394 | if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) { |
| 395 | memcpy(topaz_reader_command + *data_len, next_frame, next_data_len); |
| 396 | *data_len += next_data_len; |
| 397 | last_timestamp = next_timestamp + next_duration; |
| 398 | } else { |
| 399 | // rewind and exit |
| 400 | *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t); |
| 401 | break; |
| 402 | } |
| 403 | uint16_t next_parity_len = (next_data_len-1)/8 + 1; |
| 404 | *tracepos += next_parity_len; |
| 405 | } |
| 406 | |
| 407 | *duration = last_timestamp - timestamp; |
| 408 | |
| 409 | return true; |
| 410 | } |
| 411 | |
| 412 | |
| 413 | uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes) |
| 414 | { |
| 415 | bool isResponse; |
| 416 | uint16_t data_len, parity_len; |
| 417 | uint32_t duration; |
| 418 | uint8_t topaz_reader_command[9]; |
| 419 | uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp; |
| 420 | char explanation[30] = {0}; |
| 421 | |
| 422 | if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen; |
| 423 | |
| 424 | first_timestamp = *((uint32_t *)(trace)); |
| 425 | timestamp = *((uint32_t *)(trace + tracepos)); |
| 426 | |
| 427 | tracepos += 4; |
| 428 | duration = *((uint16_t *)(trace + tracepos)); |
| 429 | tracepos += 2; |
| 430 | data_len = *((uint16_t *)(trace + tracepos)); |
| 431 | tracepos += 2; |
| 432 | |
| 433 | if (data_len & 0x8000) { |
| 434 | data_len &= 0x7fff; |
| 435 | isResponse = true; |
| 436 | } else { |
| 437 | isResponse = false; |
| 438 | } |
| 439 | parity_len = (data_len-1)/8 + 1; |
| 440 | |
| 441 | if (tracepos + data_len + parity_len > traceLen) { |
| 442 | return traceLen; |
| 443 | } |
| 444 | uint8_t *frame = trace + tracepos; |
| 445 | tracepos += data_len; |
| 446 | uint8_t *parityBytes = trace + tracepos; |
| 447 | tracepos += parity_len; |
| 448 | |
| 449 | if (protocol == TOPAZ && !isResponse) { |
| 450 | // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each. |
| 451 | // merge them: |
| 452 | if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) { |
| 453 | frame = topaz_reader_command; |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | //Check the CRC status |
| 458 | uint8_t crcStatus = 2; |
| 459 | |
| 460 | if (data_len > 2) { |
| 461 | switch (protocol) { |
| 462 | case ICLASS: |
| 463 | crcStatus = iclass_CRC_check(isResponse, frame, data_len); |
| 464 | break; |
| 465 | case ISO_14443B: |
| 466 | case TOPAZ: |
| 467 | crcStatus = iso14443B_CRC_check(isResponse, frame, data_len); |
| 468 | break; |
| 469 | case ISO_14443A: |
| 470 | crcStatus = iso14443A_CRC_check(isResponse, frame, data_len); |
| 471 | break; |
| 472 | default: |
| 473 | break; |
| 474 | } |
| 475 | } |
| 476 | //0 CRC-command, CRC not ok |
| 477 | //1 CRC-command, CRC ok |
| 478 | //2 Not crc-command |
| 479 | |
| 480 | //--- Draw the data column |
| 481 | //char line[16][110]; |
| 482 | char line[16][110]; |
| 483 | |
| 484 | for (int j = 0; j < data_len && j/16 < 16; j++) { |
| 485 | |
| 486 | uint8_t parityBits = parityBytes[j>>3]; |
| 487 | if (protocol != ISO_14443B && (isResponse || protocol == ISO_14443A) && (oddparity8(frame[j]) != ((parityBits >> (7-(j&0x0007))) & 0x01))) { |
| 488 | snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]); |
| 489 | } else { |
| 490 | snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x ", frame[j]); |
| 491 | } |
| 492 | |
| 493 | } |
| 494 | |
| 495 | if (markCRCBytes) { |
| 496 | if(crcStatus == 0 || crcStatus == 1) |
| 497 | {//CRC-command |
| 498 | char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4); |
| 499 | (*pos1) = '['; |
| 500 | char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4); |
| 501 | sprintf(pos2, "%c", ']'); |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | if(data_len == 0) |
| 506 | { |
| 507 | if(data_len == 0){ |
| 508 | sprintf(line[0],"<empty trace - possible error>"); |
| 509 | } |
| 510 | } |
| 511 | //--- Draw the CRC column |
| 512 | |
| 513 | char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " ")); |
| 514 | |
| 515 | EndOfTransmissionTimestamp = timestamp + duration; |
| 516 | |
| 517 | if(!isResponse) |
| 518 | { |
| 519 | switch(protocol) { |
| 520 | case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break; |
| 521 | case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break; |
| 522 | case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break; |
| 523 | case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break; |
| 524 | default: break; |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | int num_lines = MIN((data_len - 1)/16 + 1, 16); |
| 529 | for (int j = 0; j < num_lines ; j++) { |
| 530 | if (j == 0) { |
| 531 | PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s", |
| 532 | (timestamp - first_timestamp), |
| 533 | (EndOfTransmissionTimestamp - first_timestamp), |
| 534 | (isResponse ? "Tag" : "Rdr"), |
| 535 | line[j], |
| 536 | (j == num_lines-1) ? crc : " ", |
| 537 | (j == num_lines-1) ? explanation : ""); |
| 538 | } else { |
| 539 | PrintAndLog(" | | |%-64s | %s| %s", |
| 540 | line[j], |
| 541 | (j == num_lines-1) ? crc : " ", |
| 542 | (j == num_lines-1) ? explanation : ""); |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | if (is_last_record(tracepos, trace, traceLen)) return traceLen; |
| 547 | |
| 548 | if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) { |
| 549 | uint32_t next_timestamp = *((uint32_t *)(trace + tracepos)); |
| 550 | PrintAndLog(" %10d | %10d | %s | fdt (Frame Delay Time): %d", |
| 551 | (EndOfTransmissionTimestamp - first_timestamp), |
| 552 | (next_timestamp - first_timestamp), |
| 553 | " ", |
| 554 | (next_timestamp - EndOfTransmissionTimestamp)); |
| 555 | } |
| 556 | |
| 557 | return tracepos; |
| 558 | } |
| 559 | |
| 560 | |
| 561 | int CmdHFList(const char *Cmd) |
| 562 | { |
| 563 | bool showWaitCycles = false; |
| 564 | bool markCRCBytes = false; |
| 565 | char type[40] = {0}; |
| 566 | int tlen = param_getstr(Cmd,0,type, sizeof(type)); |
| 567 | char param1 = param_getchar(Cmd, 1); |
| 568 | char param2 = param_getchar(Cmd, 2); |
| 569 | bool errors = false; |
| 570 | uint8_t protocol = 0; |
| 571 | //Validate params |
| 572 | |
| 573 | if(tlen == 0) { |
| 574 | errors = true; |
| 575 | } |
| 576 | |
| 577 | if(param1 == 'h' |
| 578 | || (param1 != 0 && param1 != 'f' && param1 != 'c') |
| 579 | || (param2 != 0 && param2 != 'f' && param2 != 'c')) { |
| 580 | errors = true; |
| 581 | } |
| 582 | |
| 583 | if(!errors) { |
| 584 | if(strcmp(type, "iclass") == 0) { |
| 585 | protocol = ICLASS; |
| 586 | } else if(strcmp(type, "14a") == 0) { |
| 587 | protocol = ISO_14443A; |
| 588 | } else if(strcmp(type, "14b") == 0) { |
| 589 | protocol = ISO_14443B; |
| 590 | } else if(strcmp(type,"topaz")== 0) { |
| 591 | protocol = TOPAZ; |
| 592 | } else if(strcmp(type,"raw")== 0) { |
| 593 | protocol = -1;//No crc, no annotations |
| 594 | } else { |
| 595 | errors = true; |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | if (errors) { |
| 600 | PrintAndLog("List protocol data in trace buffer."); |
| 601 | PrintAndLog("Usage: hf list <protocol> [f][c]"); |
| 602 | PrintAndLog(" f - show frame delay times as well"); |
| 603 | PrintAndLog(" c - mark CRC bytes"); |
| 604 | PrintAndLog("Supported <protocol> values:"); |
| 605 | PrintAndLog(" raw - just show raw data without annotations"); |
| 606 | PrintAndLog(" 14a - interpret data as iso14443a communications"); |
| 607 | PrintAndLog(" 14b - interpret data as iso14443b communications"); |
| 608 | PrintAndLog(" iclass - interpret data as iclass communications"); |
| 609 | PrintAndLog(" topaz - interpret data as topaz communications"); |
| 610 | PrintAndLog(""); |
| 611 | PrintAndLog("example: hf list 14a f"); |
| 612 | PrintAndLog("example: hf list iclass"); |
| 613 | return 0; |
| 614 | } |
| 615 | |
| 616 | |
| 617 | if (param1 == 'f' || param2 == 'f') { |
| 618 | showWaitCycles = true; |
| 619 | } |
| 620 | |
| 621 | if (param1 == 'c' || param2 == 'c') { |
| 622 | markCRCBytes = true; |
| 623 | } |
| 624 | |
| 625 | uint8_t *trace; |
| 626 | uint16_t tracepos = 0; |
| 627 | trace = malloc(USB_CMD_DATA_SIZE); |
| 628 | |
| 629 | // Query for the size of the trace |
| 630 | UsbCommand response; |
| 631 | GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0); |
| 632 | WaitForResponse(CMD_ACK, &response); |
| 633 | uint16_t traceLen = response.arg[2]; |
| 634 | if (traceLen > USB_CMD_DATA_SIZE) { |
| 635 | uint8_t *p = realloc(trace, traceLen); |
| 636 | if (p == NULL) { |
| 637 | PrintAndLog("Cannot allocate memory for trace"); |
| 638 | free(trace); |
| 639 | return 2; |
| 640 | } |
| 641 | trace = p; |
| 642 | GetFromBigBuf(trace, traceLen, 0); |
| 643 | WaitForResponse(CMD_ACK, NULL); |
| 644 | } |
| 645 | |
| 646 | PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen); |
| 647 | PrintAndLog(""); |
| 648 | PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer"); |
| 649 | PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)"); |
| 650 | PrintAndLog("iClass - Timings are not as accurate"); |
| 651 | PrintAndLog(""); |
| 652 | PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |"); |
| 653 | PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|"); |
| 654 | |
| 655 | while(tracepos < traceLen) |
| 656 | { |
| 657 | tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes); |
| 658 | } |
| 659 | |
| 660 | free(trace); |
| 661 | return 0; |
| 662 | } |
| 663 | |
| 664 | int CmdHFSearch(const char *Cmd){ |
| 665 | int ans = 0; |
| 666 | PrintAndLog(""); |
| 667 | ans = CmdHF14AInfo("s"); |
| 668 | if (ans > 0) { |
| 669 | PrintAndLog("\nValid ISO14443A Tag Found - Quiting Search\n"); |
| 670 | return ans; |
| 671 | } |
| 672 | ans = HFiClassReader("", false, false); |
| 673 | if (ans) { |
| 674 | PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n"); |
| 675 | return ans; |
| 676 | } |
| 677 | ans = HF15Reader("", false); |
| 678 | if (ans) { |
| 679 | PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n"); |
| 680 | return ans; |
| 681 | } |
| 682 | //14b is longest test currently (and rarest chip type) ... put last |
| 683 | ans = HF14BInfo(false); |
| 684 | if (ans) { |
| 685 | PrintAndLog("\nValid ISO14443B Tag Found - Quiting Search\n"); |
| 686 | return ans; |
| 687 | } |
| 688 | PrintAndLog("\nno known/supported 13.56 MHz tags found\n"); |
| 689 | return 0; |
| 690 | } |
| 691 | |
| 692 | int CmdHFSnoop(const char *Cmd) |
| 693 | { |
| 694 | char * pEnd; |
| 695 | UsbCommand c = {CMD_HF_SNIFFER, {strtol(Cmd, &pEnd,0),strtol(pEnd, &pEnd,0),0}}; |
| 696 | SendCommand(&c); |
| 697 | return 0; |
| 698 | } |
| 699 | |
| 700 | static command_t CommandTable[] = |
| 701 | { |
| 702 | {"help", CmdHelp, 1, "This help"}, |
| 703 | {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"}, |
| 704 | {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"}, |
| 705 | {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"}, |
| 706 | {"epa", CmdHFEPA, 1, "{ German Identification Card... }"}, |
| 707 | {"emv", CmdHFEMV, 1, "{ EMV cards... }"}, |
| 708 | {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"}, |
| 709 | {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"}, |
| 710 | {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"}, |
| 711 | {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"}, |
| 712 | {"topaz", CmdHFTopaz, 1, "{ TOPAZ (NFC Type 1) RFIDs... }"}, |
| 713 | {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"}, |
| 714 | {"list", CmdHFList, 1, "List protocol data in trace buffer"}, |
| 715 | {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"}, |
| 716 | {"snoop", CmdHFSnoop, 0, "<samples to skip (10000)> <triggers to skip (1)> Generic HF Snoop"}, |
| 717 | {NULL, NULL, 0, NULL} |
| 718 | }; |
| 719 | |
| 720 | int CmdHF(const char *Cmd) |
| 721 | { |
| 722 | CmdsParse(CommandTable, Cmd); |
| 723 | return 0; |
| 724 | } |
| 725 | |
| 726 | int CmdHelp(const char *Cmd) |
| 727 | { |
| 728 | CmdsHelp(CommandTable); |
| 729 | return 0; |
| 730 | } |