]> git.zerfleddert.de Git - proxmark3-svn/blame - client/cmdhf.c
projects / proxmark3-svn / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
FIX: added a break if the device starts acting strange when aquirering data from...
[proxmark3-svn] / client / cmdhf.c
CommitLineData
a553f267 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
7fe9b0b7 11#include <stdio.h>
4c3de57a 12#include <string.h>
902cb3c0 13#include "proxmark3.h"
7fe9b0b7 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"
5acd09bd 21#include "cmdhfepa.h"
7fe9b0b7 22#include "cmdhflegic.h"
cee5a30d 23#include "cmdhficlass.h"
9ca155ba 24#include "cmdhfmf.h"
5ee70129 25#include "cmdhfmfu.h"
0ec548dc 26#include "cmdhfmfdes.h"
27#include "cmdhftopaz.h"
b67f7ec3 28#include "protocols.h"
7fe9b0b7 29
30static int CmdHelp(const char *Cmd);
31
32int CmdHFTune(const char *Cmd)
33{
34 UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF};
35 SendCommand(&c);
36 return 0;
37}
4c3de57a 38
22e24700 39
4c3de57a
MHS		 40void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
41{
42 switch(cmd[0])
43 {
41fdd0f0
MHS		 44 case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
45 case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
4df54240
MHS		 46 // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
47 // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
383608a6 48 if(cmd[1] == 0x70)
4c3de57a
MHS		 49 {
50 snprintf(exp,size,"SELECT_UID"); break;
51 }else
52 {
4df54240
MHS		 53 snprintf(exp,size,"ANTICOLL"); break;
54 }
55 }
41fdd0f0 56 case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
4df54240
MHS		 57 //95 20 = Anticollision of cascade level2
58 //95 70 = Select of cascade level2
59 if(cmd[2] == 0x70)
60 {
61 snprintf(exp,size,"SELECT_UID-2"); break;
62 }else
63 {
64 snprintf(exp,size,"ANTICOLL-2"); break;
4c3de57a
MHS		 65 }
66 }
16a95d76 67 case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
68 case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
69 case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
70 case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
71 case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
72 case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
73 case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
74 case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
75 case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
11b1e2e5 76 case MIFARE_AUTH_KEYA:{
77 if ( cmdsize > 3)
78 snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
79 else
f07e76c6 80 // case MIFARE_ULEV1_VERSION : both 0x60.
11b1e2e5 81 snprintf(exp,size,"EV1 VERSION");
82 break;
83 }
16a95d76 84 case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
85 case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
86 case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
87 case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
11b1e2e5 88 case MIFARE_ULC_AUTH_1 : snprintf(exp,size,"AUTH "); break;
89 case MIFARE_ULC_AUTH_2 : snprintf(exp,size,"AUTH_ANSW"); break;
e9a85114 90 case MIFARE_ULEV1_AUTH :
91 if ( cmdsize == 7 )
92 snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
93 else
94 snprintf(exp,size,"PWD-AUTH");
95 break;
68bf87e0 96 case MIFARE_ULEV1_FASTREAD : {
b6901e17 97 if ( cmdsize >=3 && cmd[2] <= 0xE6)
68bf87e0 98 snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
74c7ff47 99 else
100 snprintf(exp,size,"?");
68bf87e0 101 break;
102 }
aebe7790 103 case MIFARE_ULC_WRITE : {
68bf87e0 104 if ( cmd[1] < 0x21 )
105 snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
74c7ff47 106 else
107 snprintf(exp,size,"?");
68bf87e0 108 break;
109 }
110 case MIFARE_ULEV1_READ_CNT :{
111 if ( cmd[1] < 5 )
112 snprintf(exp,size,"READ CNT(%d)",cmd[1]);
74c7ff47 113 else
114 snprintf(exp,size,"?");
68bf87e0 115 break;
116 }
117 case MIFARE_ULEV1_INCR_CNT : {
118 if ( cmd[1] < 5 )
74c7ff47 119 snprintf(exp,size,"INCR(%d)",cmd[1]);
120 else
121 snprintf(exp,size,"?");
68bf87e0 122 break;
123 }
11b1e2e5 124 case MIFARE_ULEV1_READSIG : snprintf(exp,size,"READ_SIG"); break;
125 case MIFARE_ULEV1_CHECKTEAR : snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
126 case MIFARE_ULEV1_VCSL : snprintf(exp,size,"VCSL"); break;
16a95d76 127 default: snprintf(exp,size,"?"); break;
4c3de57a
MHS		 128 }
129 return;
130}
131
132void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
133{
4c3de57a
MHS		 134 switch(cmd[0])
135 {
337818f7 136 case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
4df54240
MHS		 137 case ICLASS_CMD_READ_OR_IDENTIFY:{
138 if(cmdsize > 1){
139 snprintf(exp,size,"READ(%d)",cmd[1]);
140 }else{
141 snprintf(exp,size,"IDENTIFY");
142 }
143 break;
144 }
337818f7 145 case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
49726b40
MHS		 146 case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
147 case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
148 case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
337818f7 149 case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
49726b40 150 case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
337818f7 151 case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
49726b40
MHS		 152 case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
153 case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
154 case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
337818f7 155 default: snprintf(exp,size,"?"); break;
4c3de57a
MHS		 156 }
157 return;
158}
159
4df54240
MHS		 160void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
161{
162
163 if(cmd[0] == 0x26)
164 {
165 switch(cmd[1]){
166 case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
167 case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
168 default: snprintf(exp,size,"?"); break;
4c3de57a 169
4df54240
MHS		 170 }
171 }else if(cmd[0] == 0x02)
172 {
173 switch(cmd[1])
174 {
175 case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
176 case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
177 case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
178 case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
179 case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
180 case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
181 case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
182 case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
183 case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
184 case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
185 case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
186 case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
41fdd0f0 187 default: snprintf(exp,size,"?"); break;
4df54240
MHS		 188 }
189 }
190}
08e8317c 191
0ec548dc 192void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
193{
194 switch(cmd[0]) {
195 case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
196 case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
197 case TOPAZ_RID :snprintf(exp, size, "RID");break;
198 case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
199 case TOPAZ_READ :snprintf(exp, size, "READ");break;
200 case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
201 case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
202 case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
203 case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
204 case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
205 case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
c5f8c67a 206 default :snprintf(exp,size,"?"); break;
0ec548dc 207 }
208}
209
5b59bf20 210// iso 7816-3
c5f8c67a 211void annotateIso7816(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
5b59bf20 212 // S-block
213 if ( (cmd[0] & 0xC0) && (cmdsize == 3) ) {
214 switch ( (cmd[0] & 0x3f) ) {
215 case 0x00 : snprintf(exp, size, "S-block RESYNCH req"); break;
216 case 0x20 : snprintf(exp, size, "S-block RESYNCH resp"); break;
217 case 0x01 : snprintf(exp, size, "S-block IFS req"); break;
218 case 0x21 : snprintf(exp, size, "S-block IFS resp"); break;
219 case 0x02 : snprintf(exp, size, "S-block ABORT req"); break;
220 case 0x22 : snprintf(exp, size, "S-block ABORT resp"); break;
221 case 0x03 : snprintf(exp, size, "S-block WTX reqt"); break;
222 case 0x23 : snprintf(exp, size, "S-block WTX resp"); break;
223 default : snprintf(exp, size, "S-block"); break;
224 }
225 }
226 // R-block (ack)
227 else if ( ((cmd[0] & 0xD0) == 0x80) && ( cmdsize > 2) ) {
f445df40 228 if ( (cmd[0] & 0x10) == 0 )
229 snprintf(exp, size, "R-block ACK");
230 else
231 snprintf(exp, size, "R-block NACK");
5b59bf20 232 }
233 // I-block
234 else {
c5f8c67a 235
5b59bf20 236 int pos = (cmd[0] == 2 || cmd[0] == 3) ? 2 : 3;
237 switch ( cmd[pos] ){
238 case ISO7816_READ_BINARY :snprintf(exp, size, "READ BIN");break;
239 case ISO7816_WRITE_BINARY :snprintf(exp, size, "WRITE BIN");break;
240 case ISO7816_UPDATE_BINARY :snprintf(exp, size, "UPDATE BIN");break;
241 case ISO7816_ERASE_BINARY :snprintf(exp, size, "ERASE BIN");break;
242 case ISO7816_READ_RECORDS :snprintf(exp, size, "READ RECORDS");break;
243 case ISO7816_WRITE_RECORDS :snprintf(exp, size, "WRITE RECORDS");break;
244 case ISO7816_APPEND_RECORD :snprintf(exp, size, "APPEND RECORD");break;
245 case ISO7816_UPDATE_RECORD :snprintf(exp, size, "UPDATE RECORD");break;
246 case ISO7816_GET_DATA :snprintf(exp, size, "GET DATA");break;
247 case ISO7816_PUT_DATA :snprintf(exp, size, "PUT DATA");break;
248 case ISO7816_SELECT_FILE :snprintf(exp, size, "SELECT FILE");break;
249 case ISO7816_VERIFY :snprintf(exp, size, "VERIFY");break;
250 case ISO7816_INTERNAL_AUTHENTICATION :snprintf(exp, size, "INTERNAL AUTH");break;
251 case ISO7816_EXTERNAL_AUTHENTICATION :snprintf(exp, size, "EXTERNAL AUTH");break;
252 case ISO7816_GET_CHALLENGE :snprintf(exp, size, "GET CHALLENGE");break;
253 case ISO7816_MANAGE_CHANNEL :snprintf(exp, size, "MANAGE CHANNEL");break;
254 default :snprintf(exp,size,"?"); break;
255 }
256 }
c5f8c67a 257}
0ec548dc 258
08e8317c
MHS		 259/**
26006 00 = INITIATE
2610E xx = SELECT ID (xx = Chip-ID)
2620B = Get UID
26308 yy = Read Block (yy = block number)
26409 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
2650C = Reset to Inventory
2660F = Completion
2670A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
268**/
269
41fdd0f0
MHS		 270void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
271{
272 switch(cmd[0]){
c5f8c67a 273 case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
274 case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
275 case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
276 case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
277 case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
278 case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
279 case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
280 case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
281 case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
282 case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
283 case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
284 case ISO14443B_PING : snprintf(exp,size,"PING");break;
285 case ISO14443B_PONG : snprintf(exp,size,"PONG");break;
286 default : snprintf(exp,size ,"?");break;
41fdd0f0 287 }
41fdd0f0
MHS		 288}
289
290/**
0ec548dc 291 * @brief iso14443A_CRC_check Checks CRC in command or response
292 * @param isResponse
293 * @param data
294 * @param len
295 * @return 0 : CRC-command, CRC not ok
296 * 1 : CRC-command, CRC ok
297 * 2 : Not crc-command
298 */
299
300uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
301{
302 uint8_t b1,b2;
303
304 if(len <= 2) return 2;
305
306 if(isResponse & (len < 6)) return 2;
307
308 ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
309 if (b1 != data[len-2] || b2 != data[len-1]) {
310 return 0;
311 } else {
312 return 1;
313 }
314}
315
316
317/**
318 * @brief iso14443B_CRC_check Checks CRC in command or response
41fdd0f0
MHS		 319 * @param isResponse
320 * @param data
321 * @param len
322 * @return 0 : CRC-command, CRC not ok
323 * 1 : CRC-command, CRC ok
324 * 2 : Not crc-command
325 */
326
327uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
328{
329 uint8_t b1,b2;
330
331 if(len <= 2) return 2;
332
333 ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
334 if(b1 != data[len-2] || b2 != data[len-1]) {
335 return 0;
0ec548dc 336 }
74c7ff47 337 return 1;
41fdd0f0
MHS		 338}
339
49726b40
MHS		 340/**
341 * @brief iclass_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 */
41fdd0f0 349uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
49726b40
MHS		 350{
351 if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
352
353 uint8_t b1, b2;
354
355 if(!isResponse)//Commands to tag
356 {
357 /**
358 These commands should have CRC. Total length leftmost
359 4 READ
360 4 READ4
361 12 UPDATE - unsecured, ends with CRC16
362 14 UPDATE - secured, ends with signature instead
363 4 PAGESEL
364 **/
365 if(len == 4 || len == 12)//Covers three of them
366 {
367 //Don't include the command byte
368 ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
369 return b1 == data[len -2] && b2 == data[len-1];
370 }
371 return 2;
372 }else{
373 /**
374 These tag responses should have CRC. Total length leftmost
375
376 10 READ data[8] crc[2]
377 34 READ4 data[32]crc[2]
378 10 UPDATE data[8] crc[2]
379 10 SELECT csn[8] crc[2]
380 10 IDENTIFY asnb[8] crc[2]
381 10 PAGESEL block1[8] crc[2]
382 10 DETECT csn[8] crc[2]
383
384 These should not
385
386 4 CHECK chip_response[4]
387 8 READCHECK data[8]
388 1 ACTALL sof[1]
389 1 ACT sof[1]
390
391 In conclusion, without looking at the command; any response
392 of length 10 or 34 should have CRC
393 **/
394 if(len != 10 && len != 34) return true;
395
396 ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
397 return b1 == data[len -2] && b2 == data[len-1];
398 }
399}
4c3de57a 400
0ec548dc 401
402bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
4c3de57a 403{
0ec548dc 404 return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
405}
406
407
408bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
409{
410 uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
411
412 return(next_records_datalen & 0x8000);
413}
414
415
416bool 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)
417{
418
419#define MAX_TOPAZ_READER_CMD_LEN 16
4c3de57a 420
0ec548dc 421 uint32_t last_timestamp = timestamp + *duration;
422
423 if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
424
425 memcpy(topaz_reader_command, frame, *data_len);
426
427 while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
428 uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
429 *tracepos += sizeof(uint32_t);
430 uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
431 *tracepos += sizeof(uint16_t);
432 uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
433 *tracepos += sizeof(uint16_t);
434 uint8_t *next_frame = (trace + *tracepos);
435 *tracepos += next_data_len;
436 if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
437 memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
438 *data_len += next_data_len;
439 last_timestamp = next_timestamp + next_duration;
440 } else {
441 // rewind and exit
442 *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
443 break;
444 }
445 uint16_t next_parity_len = (next_data_len-1)/8 + 1;
446 *tracepos += next_parity_len;
447 }
448
449 *duration = last_timestamp - timestamp;
450
451 return true;
452}
453
454
455uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
456{
457 bool isResponse;
458 uint16_t data_len, parity_len;
459 uint32_t duration;
460 uint8_t topaz_reader_command[9];
4c3de57a
MHS		 461 uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
462 char explanation[30] = {0};
463
f71f4deb 464 if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
465
4c3de57a
MHS		 466 first_timestamp = *((uint32_t *)(trace));
467 timestamp = *((uint32_t *)(trace + tracepos));
4c3de57a
MHS		 468
469 tracepos += 4;
470 duration = *((uint16_t *)(trace + tracepos));
471 tracepos += 2;
472 data_len = *((uint16_t *)(trace + tracepos));
473 tracepos += 2;
474
475 if (data_len & 0x8000) {
476 data_len &= 0x7fff;
477 isResponse = true;
478 } else {
479 isResponse = false;
480 }
481 parity_len = (data_len-1)/8 + 1;
482
f71f4deb 483 if (tracepos + data_len + parity_len > traceLen) {
484 return traceLen;
4c3de57a 485 }
4c3de57a
MHS		 486 uint8_t *frame = trace + tracepos;
487 tracepos += data_len;
488 uint8_t *parityBytes = trace + tracepos;
489 tracepos += parity_len;
490
0ec548dc 491 if (protocol == TOPAZ && !isResponse) {
492 // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
493 // merge them:
494 if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
495 frame = topaz_reader_command;
496 }
497 }
498
27eabcdc
MHS		 499 //Check the CRC status
500 uint8_t crcStatus = 2;
501
502 if (data_len > 2) {
0ec548dc 503 switch (protocol) {
504 case ICLASS:
63146229 505 crcStatus = iclass_CRC_check(isResponse, frame, data_len);
0ec548dc 506 break;
507 case ISO_14443B:
508 case TOPAZ:
63146229 509 crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
0ec548dc 510 break;
511 case ISO_14443A:
512 crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
c5f8c67a 513 break;
0ec548dc 514 default:
515 break;
27eabcdc
MHS		 516 }
517 }
518 //0 CRC-command, CRC not ok
519 //1 CRC-command, CRC ok
520 //2 Not crc-command
9e8255d4 521
4c3de57a
MHS		 522 //--- Draw the data column
523 char line[16][110];
9e8255d4
MHS		 524
525 for (int j = 0; j < data_len && j/16 < 16; j++) {
526
4c3de57a
MHS		 527 int oddparity = 0x01;
528 int k;
529
530 for (k=0 ; k<8 ; k++) {
531 oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
532 }
4c3de57a 533 uint8_t parityBits = parityBytes[j>>3];
0de8e387 534 if (protocol != ISO_14443B && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
9e8255d4 535 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
22e24700 536
4c3de57a 537 } else {
8b9393d3 538 snprintf(line[j/16]+(( j % 16) * 4),110, "%02x ", frame[j]);
9e8255d4 539 }
22e24700 540
27eabcdc 541 }
0ec548dc 542
543 if (markCRCBytes) {
63146229 544 //CRC-command
545 if(crcStatus == 0 || crcStatus == 1) {
0ec548dc 546 char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
63146229 547 (*pos1) = '[';
0ec548dc 548 char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
549 sprintf(pos2, "%c", ']');
550 }
9e8255d4 551 }
0ec548dc 552
63146229 553 if(data_len == 0){
554 sprintf(line[0],"<empty trace - possible error>");
4c3de57a
MHS		 555 }
556 //--- Draw the CRC column
49726b40 557 char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
4c3de57a
MHS		 558
559 EndOfTransmissionTimestamp = timestamp + duration;
560
561 if(!isResponse)
562 {
0ec548dc 563 switch(protocol) {
564 case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
565 case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
566 case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
567 case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
c5f8c67a 568 case ISO_7816_4: annotateIso7816(explanation,sizeof(explanation),frame,data_len); break;
0ec548dc 569 default: break;
570 }
4c3de57a
MHS		 571 }
572
9e8255d4
MHS		 573 int num_lines = MIN((data_len - 1)/16 + 1, 16);
574 for (int j = 0; j < num_lines ; j++) {
4c3de57a 575 if (j == 0) {
0ec548dc 576 PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
4c3de57a
MHS		 577 (timestamp - first_timestamp),
578 (EndOfTransmissionTimestamp - first_timestamp),
579 (isResponse ? "Tag" : "Rdr"),
580 line[j],
581 (j == num_lines-1) ? crc : " ",
582 (j == num_lines-1) ? explanation : "");
583 } else {
63146229 584 PrintAndLog(" | | |%-64s | %s| %s",
4c3de57a 585 line[j],
63146229 586 (j == num_lines-1) ? crc : " ",
4c3de57a
MHS		 587 (j == num_lines-1) ? explanation : "");
588 }
589 }
590
0ec548dc 591 if (is_last_record(tracepos, trace, traceLen)) return traceLen;
f71f4deb 592
0ec548dc 593 if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
4c3de57a 594 uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
63146229 595 PrintAndLog(" %10d | %10d | %s |fdt (Frame Delay Time): %d",
4c3de57a
MHS		 596 (EndOfTransmissionTimestamp - first_timestamp),
597 (next_timestamp - first_timestamp),
598 " ",
599 (next_timestamp - EndOfTransmissionTimestamp));
600 }
f71f4deb 601
4c3de57a
MHS		 602 return tracepos;
603}
604
afa86e5c 605int usage_hf_list(){
606 PrintAndLog("List protocol data in trace buffer.");
607 PrintAndLog("Usage: hf list <protocol> [f][c]");
608 PrintAndLog(" f - show frame delay times as well");
609 PrintAndLog(" c - mark CRC bytes");
610 PrintAndLog("Supported <protocol> values:");
611 PrintAndLog(" raw - just show raw data without annotations");
612 PrintAndLog(" 14a - interpret data as iso14443a communications");
613 PrintAndLog(" 14b - interpret data as iso14443b communications");
614 PrintAndLog(" iclass - interpret data as iclass communications");
615 PrintAndLog(" topaz - interpret data as topaz communications");
616 PrintAndLog(" 7816 - interpret data as iso7816-4 communications");
617 PrintAndLog("");
618 PrintAndLog("example: hf list 14a f");
619 PrintAndLog(" hf list iclass");
620 return 0;
621}
622int usage_hf_search(){
623 PrintAndLog("Usage: hf search");
624 PrintAndLog("Will try to find a HF read out of the unknown tag. Stops when found.");
625 PrintAndLog("Options:");
626 PrintAndLog(" h - This help");
627 PrintAndLog("");
628 return 0;
629}
630int usage_hf_snoop(){
631 PrintAndLog("Usage: hf snoop <skip pairs> <skip triggers>");
632 PrintAndLog("The high frequence snoop will assign all available memory on device for snooped data");
633 PrintAndLog("User the 'data samples' command to download from device, and 'data plot' to look at it");
634 PrintAndLog("Press button to quit the snooping.");
635 PrintAndLog("Options:");
636 PrintAndLog(" h - This help");
637 PrintAndLog(" <skip pairs> - skip sample pairs");
638 PrintAndLog(" <skip triggers> - skip number of triggers");
639 PrintAndLog("");
640 PrintAndLog("example: hf snoop");
641 PrintAndLog(" hf snoop 1000 0");
642 return 0;
643}
f71f4deb 644
4c3de57a
MHS		 645int CmdHFList(const char *Cmd)
646{
647 bool showWaitCycles = false;
0ec548dc 648 bool markCRCBytes = false;
afa86e5c 649 char type[10] = {0};
650 //int tlen = param_getstr(Cmd,0,type);
0ec548dc 651 char param1 = param_getchar(Cmd, 1);
652 char param2 = param_getchar(Cmd, 2);
4c3de57a 653 bool errors = false;
b689b842 654 uint8_t protocol = 0;
4c3de57a 655
afa86e5c 656 //Validate params H or empty
657 if (strlen(Cmd) < 1 || param1 == 'h' || param1 == 'H') return usage_hf_list();
658
659 //Validate params F,C
660 if(
661 (param1 != 0 && param1 != 'f' && param1 != 'c') ||
662 (param2 != 0 && param2 != 'f' && param2 != 'c')
663 ) {
664 return usage_hf_list();
4c3de57a 665 }
b689b842 666
afa86e5c 667 param_getstr(Cmd,0,type);
668
669 // validate type of output
670 if(strcmp(type, "iclass") == 0) protocol = ICLASS;
671 else if(strcmp(type, "14a") == 0) protocol = ISO_14443A;
672 else if(strcmp(type, "14b") == 0) protocol = ISO_14443B;
673 else if(strcmp(type, "topaz")== 0) protocol = TOPAZ;
674 else if(strcmp(type, "7816")== 0) protocol = ISO_7816_4;
675 else if(strcmp(type, "raw")== 0) protocol = -1;//No crc, no annotations
676 else errors = true;
4c3de57a 677
afa86e5c 678 if (errors) return usage_hf_list();
4c3de57a 679
afa86e5c 680 if (param1 == 'f' || param2 == 'f') showWaitCycles = true;
681 if (param1 == 'c' || param2 == 'c') markCRCBytes = true;
4c3de57a 682
f71f4deb 683 uint8_t *trace;
4c3de57a 684 uint16_t tracepos = 0;
f71f4deb 685 trace = malloc(USB_CMD_DATA_SIZE);
686
687 // Query for the size of the trace
688 UsbCommand response;
689 GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
690 WaitForResponse(CMD_ACK, &response);
691 uint16_t traceLen = response.arg[2];
692 if (traceLen > USB_CMD_DATA_SIZE) {
693 uint8_t *p = realloc(trace, traceLen);
694 if (p == NULL) {
695 PrintAndLog("Cannot allocate memory for trace");
696 free(trace);
697 return 2;
698 }
699 trace = p;
700 GetFromBigBuf(trace, traceLen, 0);
701 WaitForResponse(CMD_ACK, NULL);
702 }
703
704 PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
4c3de57a
MHS		 705 PrintAndLog("");
706 PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
707 PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
708 PrintAndLog("iClass - Timings are not as accurate");
709 PrintAndLog("");
aa60d156 710 PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
711 PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
4c3de57a 712
f71f4deb 713 while(tracepos < traceLen)
4c3de57a 714 {
0ec548dc 715 tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
4c3de57a 716 }
f71f4deb 717
718 free(trace);
4c3de57a
MHS		 719 return 0;
720}
721
b6901e17 722int CmdHFSearch(const char *Cmd){
afa86e5c 723
724 char cmdp = param_getchar(Cmd, 0);
725 if (cmdp == 'h' || cmdp == 'H') return usage_hf_search();
726
63146229 727 PrintAndLog("");
afa86e5c 728 int ans = CmdHF14AReader("s");
729
63146229 730 if (ans > 0) {
731 PrintAndLog("\nValid ISO14443A Tag Found - Quiting Search\n");
732 return ans;
733 }
9783989b 734 ans = HF14BInfo(false);
22e24700 735 if (ans) {
736 PrintAndLog("\nValid ISO14443B Tag Found - Quiting Search\n");
737 return ans;
738 }
63146229 739 ans = HFiClassReader("", false, false);
740 if (ans) {
741 PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n");
742 return ans;
743 }
744 ans = HF15Reader("", false);
745 if (ans) {
746 PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n");
747 return ans;
748 }
22e24700 749 PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
b6901e17 750 return 0;
751}
7fe9b0b7 752
1d0ccbe0 753int CmdHFSnoop(const char *Cmd)
754{
afa86e5c 755 char cmdp = param_getchar(Cmd, 0);
756 if (cmdp == 'h' || cmdp == 'H') return usage_hf_snoop();
757
758 int skippairs = param_get32ex(Cmd, 0, 0, 10);
759 int skiptriggers = param_get32ex(Cmd, 1, 0, 10);
760
761 UsbCommand c = {CMD_HF_SNIFFER, {skippairs,skiptriggers,0}};
1d0ccbe0 762 SendCommand(&c);
763 return 0;
764}
765
7fe9b0b7 766static command_t CommandTable[] =
767{
768 {"help", CmdHelp, 1, "This help"},
37239a7c 769 {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
770 {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
771 {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
5acd09bd 772 {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
8e220a91 773 {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
cee5a30d 774 {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
4c3de57a 775 {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
8ceb6b03 776 {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
0ec548dc 777 {"mfdes", CmdHFMFDes, 1, "{ MIFARE Desfire RFIDs... }"},
778 {"topaz", CmdHFTopaz, 1, "{ TOPAZ (NFC Type 1) RFIDs... }"},
779 {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
8ceb6b03 780 {"list", CmdHFList, 1, "List protocol data in trace buffer"},
9783989b 781 {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"},
1d0ccbe0 782 {"snoop", CmdHFSnoop, 0, "<samples to skip (10000)> <triggers to skip (1)> Generic LF/HF Snoop in Testing stage"},
4c3de57a 783 {NULL, NULL, 0, NULL}
7fe9b0b7 784};
785
786int CmdHF(const char *Cmd)
787{
788 CmdsParse(CommandTable, Cmd);
789 return 0;
790}
791
792int CmdHelp(const char *Cmd)
793{
794 CmdsHelp(CommandTable);
795 return 0;
796}
Proxmark3 GIT tracking
Impressum, Datenschutz