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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 "util.h" | |
15 | #include "ui.h" | |
16 | #include "iso14443crc.h" | |
17 | #include "cmdmain.h" | |
18 | #include "cmdparser.h" | |
19 | #include "cmdhf.h" | |
20 | #include "cmdhf14a.h" | |
21 | #include "cmdhf14b.h" | |
22 | #include "cmdhf15.h" | |
23 | #include "cmdhfepa.h" | |
24 | #include "cmdhflegic.h" | |
25 | #include "cmdhficlass.h" | |
26 | #include "cmdhfmf.h" | |
27 | #include "cmdhfmfu.h" | |
28 | #include "cmdhftopaz.h" | |
29 | #include "protocols.h" | |
30 | ||
31 | static int CmdHelp(const char *Cmd); | |
32 | ||
33 | int CmdHFTune(const char *Cmd) | |
34 | { | |
35 | UsbCommand c={CMD_MEASURE_ANTENNA_TUNING_HF}; | |
36 | SendCommand(&c); | |
37 | return 0; | |
38 | } | |
39 | ||
40 | ||
41 | void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) | |
42 | { | |
43 | switch(cmd[0]) | |
44 | { | |
45 | case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break; | |
46 | case ISO14443A_CMD_ANTICOLL_OR_SELECT:{ | |
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 | if(cmd[1] == 0x70) | |
50 | { | |
51 | snprintf(exp,size,"SELECT_UID"); break; | |
52 | }else | |
53 | { | |
54 | snprintf(exp,size,"ANTICOLL"); break; | |
55 | } | |
56 | } | |
57 | case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{ | |
58 | //95 20 = Anticollision of cascade level2 | |
59 | //95 70 = Select of cascade level2 | |
60 | if(cmd[2] == 0x70) | |
61 | { | |
62 | snprintf(exp,size,"SELECT_UID-2"); break; | |
63 | }else | |
64 | { | |
65 | snprintf(exp,size,"ANTICOLL-2"); break; | |
66 | } | |
67 | } | |
68 | case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break; | |
69 | case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break; | |
70 | case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break; | |
71 | case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break; | |
72 | case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break; | |
73 | case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break; | |
74 | case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break; | |
75 | case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break; | |
76 | case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break; | |
77 | case MIFARE_AUTH_KEYA:{ | |
78 | if ( cmdsize > 3) | |
79 | snprintf(exp,size,"AUTH-A(%d)",cmd[1]); | |
80 | else | |
81 | // case MIFARE_ULEV1_VERSION : both 0x60. | |
82 | snprintf(exp,size,"EV1 VERSION"); | |
83 | break; | |
84 | } | |
85 | case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break; | |
86 | case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break; | |
87 | case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break; | |
88 | case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break; | |
89 | case MIFARE_ULC_AUTH_1: snprintf(exp,size,"AUTH "); break; | |
90 | case MIFARE_ULC_AUTH_2: snprintf(exp,size,"AUTH_ANSW"); break; | |
91 | case MIFARE_ULEV1_AUTH: | |
92 | if ( cmdsize == 7 ) | |
93 | snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] ); | |
94 | else | |
95 | snprintf(exp,size,"PWD-AUTH"); | |
96 | break; | |
97 | case MIFARE_ULEV1_FASTREAD:{ | |
98 | if ( cmdsize >=3 && cmd[2] <= 0xE6) | |
99 | snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]); | |
100 | else | |
101 | snprintf(exp,size,"?"); | |
102 | break; | |
103 | } | |
104 | case MIFARE_ULC_WRITE:{ | |
105 | if ( cmd[1] < 0x21 ) | |
106 | snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); | |
107 | else | |
108 | snprintf(exp,size,"?"); | |
109 | break; | |
110 | } | |
111 | case MIFARE_ULEV1_READ_CNT:{ | |
112 | if ( cmd[1] < 5 ) | |
113 | snprintf(exp,size,"READ CNT(%d)",cmd[1]); | |
114 | else | |
115 | snprintf(exp,size,"?"); | |
116 | break; | |
117 | } | |
118 | case MIFARE_ULEV1_INCR_CNT:{ | |
119 | if ( cmd[1] < 5 ) | |
120 | snprintf(exp,size,"INCR(%d)",cmd[1]); | |
121 | else | |
122 | snprintf(exp,size,"?"); | |
123 | break; | |
124 | } | |
125 | case MIFARE_ULEV1_READSIG: snprintf(exp,size,"READ_SIG"); break; | |
126 | case MIFARE_ULEV1_CHECKTEAR: snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break; | |
127 | case MIFARE_ULEV1_VCSL: snprintf(exp,size,"VCSL"); break; | |
128 | default: snprintf(exp,size,"?"); break; | |
129 | } | |
130 | return; | |
131 | } | |
132 | ||
133 | void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) | |
134 | { | |
135 | switch(cmd[0]) | |
136 | { | |
137 | case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break; | |
138 | case ICLASS_CMD_READ_OR_IDENTIFY:{ | |
139 | if(cmdsize > 1){ | |
140 | snprintf(exp,size,"READ(%d)",cmd[1]); | |
141 | }else{ | |
142 | snprintf(exp,size,"IDENTIFY"); | |
143 | } | |
144 | break; | |
145 | } | |
146 | case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break; | |
147 | case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break; | |
148 | case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break; | |
149 | case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break; | |
150 | case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break; | |
151 | case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break; | |
152 | case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break; | |
153 | case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break; | |
154 | case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break; | |
155 | case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break; | |
156 | default: snprintf(exp,size,"?"); break; | |
157 | } | |
158 | return; | |
159 | } | |
160 | ||
161 | void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) | |
162 | { | |
163 | ||
164 | if(cmd[0] == 0x26) | |
165 | { | |
166 | switch(cmd[1]){ | |
167 | case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break; | |
168 | case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break; | |
169 | default: snprintf(exp,size,"?"); break; | |
170 | ||
171 | } | |
172 | }else if(cmd[0] == 0x02) | |
173 | { | |
174 | switch(cmd[1]) | |
175 | { | |
176 | case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break; | |
177 | case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break; | |
178 | case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break; | |
179 | case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break; | |
180 | case ISO15693_SELECT :snprintf(exp, size, "SELECT");break; | |
181 | case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break; | |
182 | case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break; | |
183 | case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break; | |
184 | case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break; | |
185 | case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break; | |
186 | case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break; | |
187 | case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break; | |
188 | default: snprintf(exp,size,"?"); break; | |
189 | } | |
190 | } | |
191 | } | |
192 | ||
193 | ||
194 | void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) | |
195 | { | |
196 | switch(cmd[0]) { | |
197 | case TOPAZ_REQA :snprintf(exp, size, "REQA");break; | |
198 | case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break; | |
199 | case TOPAZ_RID :snprintf(exp, size, "RID");break; | |
200 | case TOPAZ_RALL :snprintf(exp, size, "RALL");break; | |
201 | case TOPAZ_READ :snprintf(exp, size, "READ");break; | |
202 | case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break; | |
203 | case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break; | |
204 | case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break; | |
205 | case TOPAZ_READ8 :snprintf(exp, size, "READ8");break; | |
206 | case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break; | |
207 | case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break; | |
208 | default: snprintf(exp,size,"?"); break; | |
209 | } | |
210 | } | |
211 | ||
212 | ||
213 | /** | |
214 | 06 00 = INITIATE | |
215 | 0E xx = SELECT ID (xx = Chip-ID) | |
216 | 0B = Get UID | |
217 | 08 yy = Read Block (yy = block number) | |
218 | 09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written) | |
219 | 0C = Reset to Inventory | |
220 | 0F = Completion | |
221 | 0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate) | |
222 | **/ | |
223 | ||
224 | void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) | |
225 | { | |
226 | switch(cmd[0]){ | |
227 | case ISO14443B_REQB : snprintf(exp,size,"REQB");break; | |
228 | case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break; | |
229 | case ISO14443B_HALT : snprintf(exp,size,"HALT");break; | |
230 | case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break; | |
231 | case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break; | |
232 | case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break; | |
233 | case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break; | |
234 | case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break; | |
235 | case ISO14443B_RESET : snprintf(exp,size,"RESET");break; | |
236 | case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break; | |
237 | case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break; | |
238 | default : snprintf(exp,size ,"?");break; | |
239 | } | |
240 | ||
241 | } | |
242 | ||
243 | /** | |
244 | * @brief iso14443A_CRC_check Checks CRC in command or response | |
245 | * @param isResponse | |
246 | * @param data | |
247 | * @param len | |
248 | * @return 0 : CRC-command, CRC not ok | |
249 | * 1 : CRC-command, CRC ok | |
250 | * 2 : Not crc-command | |
251 | */ | |
252 | ||
253 | uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len) | |
254 | { | |
255 | uint8_t b1,b2; | |
256 | ||
257 | if(len <= 2) return 2; | |
258 | ||
259 | if(isResponse & (len < 6)) return 2; | |
260 | ||
261 | ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2); | |
262 | if (b1 != data[len-2] || b2 != data[len-1]) { | |
263 | return 0; | |
264 | } else { | |
265 | return 1; | |
266 | } | |
267 | } | |
268 | ||
269 | ||
270 | /** | |
271 | * @brief iso14443B_CRC_check Checks CRC in command or response | |
272 | * @param isResponse | |
273 | * @param data | |
274 | * @param len | |
275 | * @return 0 : CRC-command, CRC not ok | |
276 | * 1 : CRC-command, CRC ok | |
277 | * 2 : Not crc-command | |
278 | */ | |
279 | ||
280 | uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len) | |
281 | { | |
282 | uint8_t b1,b2; | |
283 | ||
284 | if(len <= 2) return 2; | |
285 | ||
286 | ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2); | |
287 | if(b1 != data[len-2] || b2 != data[len-1]) { | |
288 | return 0; | |
289 | } else { | |
290 | return 1; | |
291 | } | |
292 | } | |
293 | ||
294 | /** | |
295 | * @brief iclass_CRC_Ok Checks CRC in command or response | |
296 | * @param isResponse | |
297 | * @param data | |
298 | * @param len | |
299 | * @return 0 : CRC-command, CRC not ok | |
300 | * 1 : CRC-command, CRC ok | |
301 | * 2 : Not crc-command | |
302 | */ | |
303 | uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len) | |
304 | { | |
305 | if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes | |
306 | ||
307 | uint8_t b1, b2; | |
308 | ||
309 | if(!isResponse)//Commands to tag | |
310 | { | |
311 | /** | |
312 | These commands should have CRC. Total length leftmost | |
313 | 4 READ | |
314 | 4 READ4 | |
315 | 12 UPDATE - unsecured, ends with CRC16 | |
316 | 14 UPDATE - secured, ends with signature instead | |
317 | 4 PAGESEL | |
318 | **/ | |
319 | if(len == 4 || len == 12)//Covers three of them | |
320 | { | |
321 | //Don't include the command byte | |
322 | ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2); | |
323 | return b1 == data[len -2] && b2 == data[len-1]; | |
324 | } | |
325 | return 2; | |
326 | }else{ | |
327 | /** | |
328 | These tag responses should have CRC. Total length leftmost | |
329 | ||
330 | 10 READ data[8] crc[2] | |
331 | 34 READ4 data[32]crc[2] | |
332 | 10 UPDATE data[8] crc[2] | |
333 | 10 SELECT csn[8] crc[2] | |
334 | 10 IDENTIFY asnb[8] crc[2] | |
335 | 10 PAGESEL block1[8] crc[2] | |
336 | 10 DETECT csn[8] crc[2] | |
337 | ||
338 | These should not | |
339 | ||
340 | 4 CHECK chip_response[4] | |
341 | 8 READCHECK data[8] | |
342 | 1 ACTALL sof[1] | |
343 | 1 ACT sof[1] | |
344 | ||
345 | In conclusion, without looking at the command; any response | |
346 | of length 10 or 34 should have CRC | |
347 | **/ | |
348 | if(len != 10 && len != 34) return true; | |
349 | ||
350 | ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2); | |
351 | return b1 == data[len -2] && b2 == data[len-1]; | |
352 | } | |
353 | } | |
354 | ||
355 | ||
356 | bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen) | |
357 | { | |
358 | return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen); | |
359 | } | |
360 | ||
361 | ||
362 | bool next_record_is_response(uint16_t tracepos, uint8_t *trace) | |
363 | { | |
364 | uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t))); | |
365 | ||
366 | return(next_records_datalen & 0x8000); | |
367 | } | |
368 | ||
369 | ||
370 | 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) | |
371 | { | |
372 | ||
373 | #define MAX_TOPAZ_READER_CMD_LEN 16 | |
374 | ||
375 | uint32_t last_timestamp = timestamp + *duration; | |
376 | ||
377 | if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false; | |
378 | ||
379 | memcpy(topaz_reader_command, frame, *data_len); | |
380 | ||
381 | while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) { | |
382 | uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos)); | |
383 | *tracepos += sizeof(uint32_t); | |
384 | uint16_t next_duration = *((uint16_t *)(trace + *tracepos)); | |
385 | *tracepos += sizeof(uint16_t); | |
386 | uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF; | |
387 | *tracepos += sizeof(uint16_t); | |
388 | uint8_t *next_frame = (trace + *tracepos); | |
389 | *tracepos += next_data_len; | |
390 | if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) { | |
391 | memcpy(topaz_reader_command + *data_len, next_frame, next_data_len); | |
392 | *data_len += next_data_len; | |
393 | last_timestamp = next_timestamp + next_duration; | |
394 | } else { | |
395 | // rewind and exit | |
396 | *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t); | |
397 | break; | |
398 | } | |
399 | uint16_t next_parity_len = (next_data_len-1)/8 + 1; | |
400 | *tracepos += next_parity_len; | |
401 | } | |
402 | ||
403 | *duration = last_timestamp - timestamp; | |
404 | ||
405 | return true; | |
406 | } | |
407 | ||
408 | ||
409 | uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes) | |
410 | { | |
411 | bool isResponse; | |
412 | uint16_t data_len, parity_len; | |
413 | uint32_t duration; | |
414 | uint8_t topaz_reader_command[9]; | |
415 | uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp; | |
416 | char explanation[30] = {0}; | |
417 | ||
418 | if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen; | |
419 | ||
420 | first_timestamp = *((uint32_t *)(trace)); | |
421 | timestamp = *((uint32_t *)(trace + tracepos)); | |
422 | ||
423 | tracepos += 4; | |
424 | duration = *((uint16_t *)(trace + tracepos)); | |
425 | tracepos += 2; | |
426 | data_len = *((uint16_t *)(trace + tracepos)); | |
427 | tracepos += 2; | |
428 | ||
429 | if (data_len & 0x8000) { | |
430 | data_len &= 0x7fff; | |
431 | isResponse = true; | |
432 | } else { | |
433 | isResponse = false; | |
434 | } | |
435 | parity_len = (data_len-1)/8 + 1; | |
436 | ||
437 | if (tracepos + data_len + parity_len > traceLen) { | |
438 | return traceLen; | |
439 | } | |
440 | uint8_t *frame = trace + tracepos; | |
441 | tracepos += data_len; | |
442 | uint8_t *parityBytes = trace + tracepos; | |
443 | tracepos += parity_len; | |
444 | ||
445 | if (protocol == TOPAZ && !isResponse) { | |
446 | // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each. | |
447 | // merge them: | |
448 | if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) { | |
449 | frame = topaz_reader_command; | |
450 | } | |
451 | } | |
452 | ||
453 | //Check the CRC status | |
454 | uint8_t crcStatus = 2; | |
455 | ||
456 | if (data_len > 2) { | |
457 | switch (protocol) { | |
458 | case ICLASS: | |
459 | crcStatus = iclass_CRC_check(isResponse, frame, data_len); | |
460 | break; | |
461 | case ISO_14443B: | |
462 | case TOPAZ: | |
463 | crcStatus = iso14443B_CRC_check(isResponse, frame, data_len); | |
464 | break; | |
465 | case ISO_14443A: | |
466 | crcStatus = iso14443A_CRC_check(isResponse, frame, data_len); | |
467 | break; | |
468 | default: | |
469 | break; | |
470 | } | |
471 | } | |
472 | //0 CRC-command, CRC not ok | |
473 | //1 CRC-command, CRC ok | |
474 | //2 Not crc-command | |
475 | ||
476 | //--- Draw the data column | |
477 | //char line[16][110]; | |
478 | char line[16][110]; | |
479 | ||
480 | for (int j = 0; j < data_len && j/16 < 16; j++) { | |
481 | ||
482 | int oddparity = 0x01; | |
483 | int k; | |
484 | ||
485 | for (k=0 ; k<8 ; k++) { | |
486 | oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01); | |
487 | } | |
488 | uint8_t parityBits = parityBytes[j>>3]; | |
489 | if (protocol != ISO_14443B && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) { | |
490 | snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]); | |
491 | } else { | |
492 | snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x ", frame[j]); | |
493 | } | |
494 | ||
495 | } | |
496 | ||
497 | if (markCRCBytes) { | |
498 | if(crcStatus == 0 || crcStatus == 1) | |
499 | {//CRC-command | |
500 | char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4); | |
501 | (*pos1) = '['; | |
502 | char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4); | |
503 | sprintf(pos2, "%c", ']'); | |
504 | } | |
505 | } | |
506 | ||
507 | if(data_len == 0) | |
508 | { | |
509 | if(data_len == 0){ | |
510 | sprintf(line[0],"<empty trace - possible error>"); | |
511 | } | |
512 | } | |
513 | //--- Draw the CRC column | |
514 | ||
515 | char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " ")); | |
516 | ||
517 | EndOfTransmissionTimestamp = timestamp + duration; | |
518 | ||
519 | if(!isResponse) | |
520 | { | |
521 | switch(protocol) { | |
522 | case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break; | |
523 | case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break; | |
524 | case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break; | |
525 | case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break; | |
526 | default: break; | |
527 | } | |
528 | } | |
529 | ||
530 | int num_lines = MIN((data_len - 1)/16 + 1, 16); | |
531 | for (int j = 0; j < num_lines ; j++) { | |
532 | if (j == 0) { | |
533 | PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s", | |
534 | (timestamp - first_timestamp), | |
535 | (EndOfTransmissionTimestamp - first_timestamp), | |
536 | (isResponse ? "Tag" : "Rdr"), | |
537 | line[j], | |
538 | (j == num_lines-1) ? crc : " ", | |
539 | (j == num_lines-1) ? explanation : ""); | |
540 | } else { | |
541 | PrintAndLog(" | | |%-64s | %s| %s", | |
542 | line[j], | |
543 | (j == num_lines-1) ? crc : " ", | |
544 | (j == num_lines-1) ? explanation : ""); | |
545 | } | |
546 | } | |
547 | ||
548 | if (is_last_record(tracepos, trace, traceLen)) return traceLen; | |
549 | ||
550 | if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) { | |
551 | uint32_t next_timestamp = *((uint32_t *)(trace + tracepos)); | |
552 | PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d", | |
553 | (EndOfTransmissionTimestamp - first_timestamp), | |
554 | (next_timestamp - first_timestamp), | |
555 | " ", | |
556 | (next_timestamp - EndOfTransmissionTimestamp)); | |
557 | } | |
558 | ||
559 | return tracepos; | |
560 | } | |
561 | ||
562 | ||
563 | int CmdHFList(const char *Cmd) | |
564 | { | |
565 | bool showWaitCycles = false; | |
566 | bool markCRCBytes = false; | |
567 | char type[40] = {0}; | |
568 | int tlen = param_getstr(Cmd,0,type); | |
569 | char param1 = param_getchar(Cmd, 1); | |
570 | char param2 = param_getchar(Cmd, 2); | |
571 | bool errors = false; | |
572 | uint8_t protocol = 0; | |
573 | //Validate params | |
574 | ||
575 | if(tlen == 0) { | |
576 | errors = true; | |
577 | } | |
578 | ||
579 | if(param1 == 'h' | |
580 | || (param1 != 0 && param1 != 'f' && param1 != 'c') | |
581 | || (param2 != 0 && param2 != 'f' && param2 != 'c')) { | |
582 | errors = true; | |
583 | } | |
584 | ||
585 | if(!errors) { | |
586 | if(strcmp(type, "iclass") == 0) { | |
587 | protocol = ICLASS; | |
588 | } else if(strcmp(type, "14a") == 0) { | |
589 | protocol = ISO_14443A; | |
590 | } else if(strcmp(type, "14b") == 0) { | |
591 | protocol = ISO_14443B; | |
592 | } else if(strcmp(type,"topaz")== 0) { | |
593 | protocol = TOPAZ; | |
594 | } else if(strcmp(type,"raw")== 0) { | |
595 | protocol = -1;//No crc, no annotations | |
596 | } else { | |
597 | errors = true; | |
598 | } | |
599 | } | |
600 | ||
601 | if (errors) { | |
602 | PrintAndLog("List protocol data in trace buffer."); | |
603 | PrintAndLog("Usage: hf list <protocol> [f][c]"); | |
604 | PrintAndLog(" f - show frame delay times as well"); | |
605 | PrintAndLog(" c - mark CRC bytes"); | |
606 | PrintAndLog("Supported <protocol> values:"); | |
607 | PrintAndLog(" raw - just show raw data without annotations"); | |
608 | PrintAndLog(" 14a - interpret data as iso14443a communications"); | |
609 | PrintAndLog(" 14b - interpret data as iso14443b communications"); | |
610 | PrintAndLog(" iclass - interpret data as iclass communications"); | |
611 | PrintAndLog(" topaz - interpret data as topaz communications"); | |
612 | PrintAndLog(""); | |
613 | PrintAndLog("example: hf list 14a f"); | |
614 | PrintAndLog("example: hf list iclass"); | |
615 | return 0; | |
616 | } | |
617 | ||
618 | ||
619 | if (param1 == 'f' || param2 == 'f') { | |
620 | showWaitCycles = true; | |
621 | } | |
622 | ||
623 | if (param1 == 'c' || param2 == 'c') { | |
624 | markCRCBytes = true; | |
625 | } | |
626 | ||
627 | uint8_t *trace; | |
628 | uint16_t tracepos = 0; | |
629 | trace = malloc(USB_CMD_DATA_SIZE); | |
630 | ||
631 | // Query for the size of the trace | |
632 | UsbCommand response; | |
633 | GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0); | |
634 | WaitForResponse(CMD_ACK, &response); | |
635 | uint16_t traceLen = response.arg[2]; | |
636 | if (traceLen > USB_CMD_DATA_SIZE) { | |
637 | uint8_t *p = realloc(trace, traceLen); | |
638 | if (p == NULL) { | |
639 | PrintAndLog("Cannot allocate memory for trace"); | |
640 | free(trace); | |
641 | return 2; | |
642 | } | |
643 | trace = p; | |
644 | GetFromBigBuf(trace, traceLen, 0); | |
645 | WaitForResponse(CMD_ACK, NULL); | |
646 | } | |
647 | ||
648 | PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen); | |
649 | PrintAndLog(""); | |
650 | PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer"); | |
651 | PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)"); | |
652 | PrintAndLog("iClass - Timings are not as accurate"); | |
653 | PrintAndLog(""); | |
654 | PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |"); | |
655 | PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|"); | |
656 | ||
657 | while(tracepos < traceLen) | |
658 | { | |
659 | tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes); | |
660 | } | |
661 | ||
662 | free(trace); | |
663 | return 0; | |
664 | } | |
665 | ||
666 | int CmdHFSearch(const char *Cmd){ | |
667 | int ans = 0; | |
668 | PrintAndLog(""); | |
669 | ans = CmdHF14AReader("s"); | |
670 | if (ans > 0) { | |
671 | PrintAndLog("\nValid ISO14443A Tag Found - Quiting Search\n"); | |
672 | return ans; | |
673 | } | |
674 | ans = HFiClassReader("", false, false); | |
675 | if (ans) { | |
676 | PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n"); | |
677 | return ans; | |
678 | } | |
679 | ans = HF14BInfo(false); | |
680 | if (ans) { | |
681 | PrintAndLog("\nValid ISO14443B Tag Found - Quiting Search\n"); | |
682 | return ans; | |
683 | } | |
684 | ans = HF15Reader("", false); | |
685 | if (ans) { | |
686 | PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n"); | |
687 | return ans; | |
688 | } | |
689 | PrintAndLog("\nno known/supported 13.56 MHz tags found\n"); | |
690 | return 0; | |
691 | } | |
692 | ||
693 | int CmdHFSnoop(const char *Cmd) | |
694 | { | |
695 | char * pEnd; | |
696 | UsbCommand c = {CMD_HF_SNIFFER, {strtol(Cmd, &pEnd,0),strtol(pEnd, &pEnd,0),0}}; | |
697 | SendCommand(&c); | |
698 | return 0; | |
699 | } | |
700 | ||
701 | static command_t CommandTable[] = | |
702 | { | |
703 | {"help", CmdHelp, 1, "This help"}, | |
704 | {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"}, | |
705 | {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"}, | |
706 | {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"}, | |
707 | {"epa", CmdHFEPA, 1, "{ German Identification Card... }"}, | |
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 | } |