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1 | //----------------------------------------------------------------------------- | |
2 | // 2011, Merlok | |
3 | // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch | |
4 | // | |
5 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
6 | // at your option, any later version. See the LICENSE.txt file for the text of | |
7 | // the license. | |
8 | //----------------------------------------------------------------------------- | |
9 | // High frequency ISO14443A commands | |
10 | //----------------------------------------------------------------------------- | |
11 | ||
12 | #include <stdio.h> | |
13 | #include <stdlib.h> | |
14 | #include <string.h> | |
15 | #include <unistd.h> | |
16 | #include "util.h" | |
17 | #include "../common/iso14443crc.h" | |
18 | #include "data.h" | |
19 | #include "proxmark3.h" | |
20 | #include "ui.h" | |
21 | #include "cmdparser.h" | |
22 | #include "cmdhf14a.h" | |
23 | #include "../include/common.h" | |
24 | #include "cmdmain.h" | |
25 | #include "../include/mifare.h" | |
26 | ||
27 | static int CmdHelp(const char *Cmd); | |
28 | static void waitCmd(uint8_t iLen); | |
29 | ||
30 | int CmdHF14AList(const char *Cmd) | |
31 | { | |
32 | bool ShowWaitCycles = false; | |
33 | char param = param_getchar(Cmd, 0); | |
34 | ||
35 | if (param == 'h' || (param != 0 && param != 'f')) { | |
36 | PrintAndLog("List data in trace buffer."); | |
37 | PrintAndLog("Usage: hf 14a list [f]"); | |
38 | PrintAndLog("f - show frame delay times as well"); | |
39 | PrintAndLog("sample: hf 14a list f"); | |
40 | return 0; | |
41 | } | |
42 | ||
43 | ShowWaitCycles = (param == 'f'); | |
44 | ||
45 | // for the time being. Need better Bigbuf handling. | |
46 | #define TRACE_SIZE 3000 | |
47 | ||
48 | uint8_t trace[TRACE_SIZE]; | |
49 | GetFromBigBuf(trace, TRACE_SIZE, 0); | |
50 | WaitForResponse(CMD_ACK,NULL); | |
51 | ||
52 | PrintAndLog("Recorded Activity"); | |
53 | PrintAndLog(""); | |
54 | PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer"); | |
55 | PrintAndLog("All times are in carrier periods (1/13.56Mhz)"); | |
56 | PrintAndLog(""); | |
57 | PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC "); | |
58 | PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------------"); | |
59 | ||
60 | uint16_t tracepos = 0; | |
61 | uint16_t duration; | |
62 | uint16_t data_len; | |
63 | uint16_t parity_len; | |
64 | bool isResponse; | |
65 | uint32_t timestamp; | |
66 | uint32_t first_timestamp; | |
67 | uint32_t EndOfTransmissionTimestamp; | |
68 | ||
69 | for (;;) { | |
70 | ||
71 | if(tracepos >= TRACE_SIZE) break; | |
72 | ||
73 | timestamp = *((uint32_t *)(trace + tracepos)); | |
74 | ||
75 | // Break and stick with current result if buffer was not completely full | |
76 | if (timestamp == 0x44444444) break; | |
77 | ||
78 | if(tracepos == 0) { | |
79 | first_timestamp = timestamp; | |
80 | } | |
81 | ||
82 | tracepos += 4; | |
83 | duration = *((uint16_t *)(trace + tracepos)); | |
84 | tracepos += 2; | |
85 | data_len = *((uint16_t *)(trace + tracepos)); | |
86 | tracepos += 2; | |
87 | ||
88 | isResponse = false; | |
89 | if (data_len & 0x8000) { | |
90 | data_len &= 0x7fff; | |
91 | isResponse = true; | |
92 | } | |
93 | ||
94 | parity_len = (data_len-1)/8 + 1; | |
95 | ||
96 | if (tracepos + data_len + parity_len >= TRACE_SIZE) break; | |
97 | ||
98 | uint8_t *frame = trace + tracepos; | |
99 | tracepos += data_len; | |
100 | uint8_t *parityBytes = trace + tracepos; | |
101 | tracepos += parity_len; | |
102 | ||
103 | char line[16][110]; | |
104 | for (int j = 0; j < data_len; j++) { | |
105 | int oddparity = 0x01; | |
106 | int k; | |
107 | ||
108 | for (k=0;k<8;k++) { | |
109 | oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01); | |
110 | } | |
111 | ||
112 | uint8_t parityBits = parityBytes[j>>3]; | |
113 | if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) { | |
114 | sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]); | |
115 | } else { | |
116 | sprintf(line[j/16]+((j%16)*4), "%02x ", frame[j]); | |
117 | } | |
118 | } | |
119 | ||
120 | char crc[5] = {0x00}; | |
121 | if (data_len > 2) { | |
122 | uint8_t b1, b2; | |
123 | ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2); | |
124 | if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) { | |
125 | sprintf(crc, (isResponse & (data_len < 6)) ? "" : "!crc"); | |
126 | } | |
127 | } | |
128 | ||
129 | EndOfTransmissionTimestamp = timestamp + duration; | |
130 | int num_lines = (data_len - 1)/16 + 1; | |
131 | ||
132 | for (int j = 0; j < num_lines; j++) { | |
133 | if (j == 0) { | |
134 | PrintAndLog(" %9d | %9d | %s | %-64s| %s", | |
135 | (timestamp - first_timestamp), | |
136 | (EndOfTransmissionTimestamp - first_timestamp), | |
137 | (isResponse ? "Tag" : "Rdr"), | |
138 | line[j], | |
139 | (j == num_lines-1)?crc:"" | |
140 | ); | |
141 | } else { | |
142 | PrintAndLog(" | | | %-64s| %s", | |
143 | line[j], | |
144 | (j == num_lines-1)?crc:""); | |
145 | } | |
146 | } | |
147 | ||
148 | bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000; | |
149 | ||
150 | if (ShowWaitCycles && !isResponse && next_isResponse) { | |
151 | uint32_t next_timestamp = *((uint32_t *)(trace + tracepos)); | |
152 | if (next_timestamp != 0x44444444) { | |
153 | PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d", | |
154 | (EndOfTransmissionTimestamp - first_timestamp), | |
155 | (next_timestamp - first_timestamp), | |
156 | " ", | |
157 | (next_timestamp - EndOfTransmissionTimestamp)); | |
158 | } | |
159 | } | |
160 | } | |
161 | return 0; | |
162 | } | |
163 | ||
164 | void iso14a_set_timeout(uint32_t timeout) { | |
165 | UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}}; | |
166 | SendCommand(&c); | |
167 | } | |
168 | ||
169 | int CmdHF14AReader(const char *Cmd) | |
170 | { | |
171 | UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}}; | |
172 | SendCommand(&c); | |
173 | ||
174 | UsbCommand resp; | |
175 | WaitForResponse(CMD_ACK,&resp); | |
176 | ||
177 | iso14a_card_select_t card; | |
178 | memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t)); | |
179 | ||
180 | uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS | |
181 | ||
182 | if(select_status == 0) { | |
183 | PrintAndLog("iso14443a card select failed"); | |
184 | return 0; | |
185 | } | |
186 | ||
187 | PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]); | |
188 | PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen)); | |
189 | PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]); | |
190 | ||
191 | switch (card.sak) { | |
192 | case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break; | |
193 | case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break; | |
194 | case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break; | |
195 | case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break; | |
196 | case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break; | |
197 | case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break; | |
198 | case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break; | |
199 | case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break; | |
200 | case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break; | |
201 | case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break; | |
202 | case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break; | |
203 | case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break; | |
204 | case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break; | |
205 | case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break; | |
206 | default: ; | |
207 | } | |
208 | ||
209 | ||
210 | // try to request ATS even if tag claims not to support it | |
211 | if (select_status == 2) { | |
212 | uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0 | |
213 | c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT; | |
214 | c.arg[1] = 2; | |
215 | c.arg[2] = 0; | |
216 | memcpy(c.d.asBytes, rats, 2); | |
217 | SendCommand(&c); | |
218 | WaitForResponse(CMD_ACK,&resp); | |
219 | ||
220 | memcpy(&card.ats, resp.d.asBytes, resp.arg[0]); | |
221 | card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes | |
222 | } | |
223 | ||
224 | // disconnect | |
225 | c.arg[0] = 0; | |
226 | c.arg[1] = 0; | |
227 | c.arg[2] = 0; | |
228 | SendCommand(&c); | |
229 | ||
230 | ||
231 | if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes | |
232 | bool ta1 = 0, tb1 = 0, tc1 = 0; | |
233 | int pos; | |
234 | ||
235 | if (select_status == 2) { | |
236 | PrintAndLog("SAK incorrectly claims that card doesn't support RATS"); | |
237 | } | |
238 | PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len)); | |
239 | PrintAndLog(" - TL : length is %d bytes", card.ats[0]); | |
240 | if (card.ats[0] != card.ats_len - 2) { | |
241 | PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len); | |
242 | } | |
243 | ||
244 | if (card.ats[0] > 1) { // there is a format byte (T0) | |
245 | ta1 = (card.ats[1] & 0x10) == 0x10; | |
246 | tb1 = (card.ats[1] & 0x20) == 0x20; | |
247 | tc1 = (card.ats[1] & 0x40) == 0x40; | |
248 | int16_t fsci = card.ats[1] & 0x0f; | |
249 | PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, " | |
250 | "TC1 is%s present, FSCI is %d (FSC = %ld)", | |
251 | (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"), | |
252 | fsci, | |
253 | fsci < 5 ? (fsci - 2) * 8 : | |
254 | fsci < 8 ? (fsci - 3) * 32 : | |
255 | fsci == 8 ? 256 : | |
256 | -1 | |
257 | ); | |
258 | } | |
259 | pos = 2; | |
260 | if (ta1) { | |
261 | char dr[16], ds[16]; | |
262 | dr[0] = ds[0] = '\0'; | |
263 | if (card.ats[pos] & 0x10) strcat(ds, "2, "); | |
264 | if (card.ats[pos] & 0x20) strcat(ds, "4, "); | |
265 | if (card.ats[pos] & 0x40) strcat(ds, "8, "); | |
266 | if (card.ats[pos] & 0x01) strcat(dr, "2, "); | |
267 | if (card.ats[pos] & 0x02) strcat(dr, "4, "); | |
268 | if (card.ats[pos] & 0x04) strcat(dr, "8, "); | |
269 | if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0'; | |
270 | if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0'; | |
271 | PrintAndLog(" - TA1 : different divisors are%s supported, " | |
272 | "DR: [%s], DS: [%s]", | |
273 | (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds); | |
274 | pos++; | |
275 | } | |
276 | if (tb1) { | |
277 | uint32_t sfgi = card.ats[pos] & 0x0F; | |
278 | uint32_t fwi = card.ats[pos] >> 4; | |
279 | PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)", | |
280 | (sfgi), | |
281 | sfgi ? "" : "(not needed) ", | |
282 | sfgi ? (1 << 12) << sfgi : 0, | |
283 | fwi, | |
284 | (1 << 12) << fwi | |
285 | ); | |
286 | pos++; | |
287 | } | |
288 | if (tc1) { | |
289 | PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported", | |
290 | (card.ats[pos] & 0x01) ? "" : " NOT", | |
291 | (card.ats[pos] & 0x02) ? "" : " NOT"); | |
292 | pos++; | |
293 | } | |
294 | if (card.ats[0] > pos) { | |
295 | char *tip = ""; | |
296 | if (card.ats[0] - pos >= 7) { | |
297 | if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) { | |
298 | tip = "-> MIFARE Plus X 2K or 4K"; | |
299 | } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) { | |
300 | tip = "-> MIFARE Plus S 2K or 4K"; | |
301 | } | |
302 | } | |
303 | PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip); | |
304 | if (card.ats[pos] == 0xC1) { | |
305 | PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type"); | |
306 | PrintAndLog(" %02x -> Length is %d bytes", | |
307 | card.ats[pos + 1], card.ats[pos + 1]); | |
308 | switch (card.ats[pos + 2] & 0xf0) { | |
309 | case 0x10: | |
310 | PrintAndLog(" 1x -> MIFARE DESFire"); | |
311 | break; | |
312 | case 0x20: | |
313 | PrintAndLog(" 2x -> MIFARE Plus"); | |
314 | break; | |
315 | } | |
316 | switch (card.ats[pos + 2] & 0x0f) { | |
317 | case 0x00: | |
318 | PrintAndLog(" x0 -> <1 kByte"); | |
319 | break; | |
320 | case 0x01: | |
321 | PrintAndLog(" x0 -> 1 kByte"); | |
322 | break; | |
323 | case 0x02: | |
324 | PrintAndLog(" x0 -> 2 kByte"); | |
325 | break; | |
326 | case 0x03: | |
327 | PrintAndLog(" x0 -> 4 kByte"); | |
328 | break; | |
329 | case 0x04: | |
330 | PrintAndLog(" x0 -> 8 kByte"); | |
331 | break; | |
332 | } | |
333 | switch (card.ats[pos + 3] & 0xf0) { | |
334 | case 0x00: | |
335 | PrintAndLog(" 0x -> Engineering sample"); | |
336 | break; | |
337 | case 0x20: | |
338 | PrintAndLog(" 2x -> Released"); | |
339 | break; | |
340 | } | |
341 | switch (card.ats[pos + 3] & 0x0f) { | |
342 | case 0x00: | |
343 | PrintAndLog(" x0 -> Generation 1"); | |
344 | break; | |
345 | case 0x01: | |
346 | PrintAndLog(" x1 -> Generation 2"); | |
347 | break; | |
348 | case 0x02: | |
349 | PrintAndLog(" x2 -> Generation 3"); | |
350 | break; | |
351 | } | |
352 | switch (card.ats[pos + 4] & 0x0f) { | |
353 | case 0x00: | |
354 | PrintAndLog(" x0 -> Only VCSL supported"); | |
355 | break; | |
356 | case 0x01: | |
357 | PrintAndLog(" x1 -> VCS, VCSL, and SVC supported"); | |
358 | break; | |
359 | case 0x0E: | |
360 | PrintAndLog(" xE -> no VCS command supported"); | |
361 | break; | |
362 | } | |
363 | } | |
364 | } | |
365 | } else { | |
366 | PrintAndLog("proprietary non iso14443-4 card found, RATS not supported"); | |
367 | } | |
368 | ||
369 | return select_status; | |
370 | } | |
371 | ||
372 | // Collect ISO14443 Type A UIDs | |
373 | int CmdHF14ACUIDs(const char *Cmd) | |
374 | { | |
375 | // requested number of UIDs | |
376 | int n = atoi(Cmd); | |
377 | // collect at least 1 (e.g. if no parameter was given) | |
378 | n = n > 0 ? n : 1; | |
379 | ||
380 | PrintAndLog("Collecting %d UIDs", n); | |
381 | PrintAndLog("Start: %u", time(NULL)); | |
382 | // repeat n times | |
383 | for (int i = 0; i < n; i++) { | |
384 | // execute anticollision procedure | |
385 | UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}}; | |
386 | SendCommand(&c); | |
387 | ||
388 | UsbCommand resp; | |
389 | WaitForResponse(CMD_ACK,&resp); | |
390 | ||
391 | iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes; | |
392 | ||
393 | // check if command failed | |
394 | if (resp.arg[0] == 0) { | |
395 | PrintAndLog("Card select failed."); | |
396 | } else { | |
397 | char uid_string[20]; | |
398 | for (uint16_t i = 0; i < card->uidlen; i++) { | |
399 | sprintf(&uid_string[2*i], "%02X", card->uid[i]); | |
400 | } | |
401 | PrintAndLog("%s", uid_string); | |
402 | } | |
403 | } | |
404 | PrintAndLog("End: %u", time(NULL)); | |
405 | ||
406 | return 1; | |
407 | } | |
408 | ||
409 | // ## simulate iso14443a tag | |
410 | // ## greg - added ability to specify tag UID | |
411 | int CmdHF14ASim(const char *Cmd) | |
412 | { | |
413 | UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}}; | |
414 | ||
415 | // Retrieve the tag type | |
416 | uint8_t tagtype = param_get8ex(Cmd,0,0,10); | |
417 | ||
418 | // When no argument was given, just print help message | |
419 | if (tagtype == 0) { | |
420 | PrintAndLog(""); | |
421 | PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID"); | |
422 | PrintAndLog(""); | |
423 | PrintAndLog(" syntax: hf 14a sim <type> <uid>"); | |
424 | PrintAndLog(" types: 1 = MIFARE Classic"); | |
425 | PrintAndLog(" 2 = MIFARE Ultralight"); | |
426 | PrintAndLog(" 3 = MIFARE DESFIRE"); | |
427 | PrintAndLog(" 4 = ISO/IEC 14443-4"); | |
428 | PrintAndLog(" 5 = MIFARE TNP3XXX"); | |
429 | PrintAndLog(""); | |
430 | return 1; | |
431 | } | |
432 | ||
433 | // Store the tag type | |
434 | c.arg[0] = tagtype; | |
435 | ||
436 | // Retrieve the full 4 or 7 byte long uid | |
437 | uint64_t long_uid = param_get64ex(Cmd,1,0,16); | |
438 | ||
439 | // Are we handling the (optional) second part uid? | |
440 | if (long_uid > 0xffffffff) { | |
441 | PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid); | |
442 | // Store the second part | |
443 | c.arg[2] = (long_uid & 0xffffffff); | |
444 | long_uid >>= 32; | |
445 | // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88) | |
446 | c.arg[1] = (long_uid & 0xffffff); | |
447 | } else { | |
448 | PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid); | |
449 | // Only store the first part | |
450 | c.arg[1] = long_uid & 0xffffffff; | |
451 | } | |
452 | /* | |
453 | // At lease save the mandatory first part of the UID | |
454 | c.arg[0] = long_uid & 0xffffffff; | |
455 | ||
456 | if (c.arg[1] == 0) { | |
457 | PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]); | |
458 | } | |
459 | ||
460 | switch (c.arg[0]) { | |
461 | case 1: { | |
462 | PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID"); | |
463 | UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)}; | |
464 | } break; | |
465 | case 2: { | |
466 | PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID"); | |
467 | } break; | |
468 | default: { | |
469 | PrintAndLog("Error: unkown tag type (%d)",c.arg[0]); | |
470 | PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]); | |
471 | PrintAndLog(" type1: 4 ",c.arg[0]); | |
472 | ||
473 | return 1; | |
474 | } break; | |
475 | } | |
476 | */ | |
477 | /* | |
478 | unsigned int hi = 0, lo = 0; | |
479 | int n = 0, i = 0; | |
480 | while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { | |
481 | hi= (hi << 4) | (lo >> 28); | |
482 | lo= (lo << 4) | (n & 0xf); | |
483 | } | |
484 | */ | |
485 | // UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)}; | |
486 | // PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]); | |
487 | SendCommand(&c); | |
488 | return 0; | |
489 | } | |
490 | ||
491 | int CmdHF14ASnoop(const char *Cmd) { | |
492 | int param = 0; | |
493 | ||
494 | if (param_getchar(Cmd, 0) == 'h') { | |
495 | PrintAndLog("It get data from the field and saves it into command buffer."); | |
496 | PrintAndLog("Buffer accessible from command hf 14a list."); | |
497 | PrintAndLog("Usage: hf 14a snoop [c][r]"); | |
498 | PrintAndLog("c - triggered by first data from card"); | |
499 | PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)"); | |
500 | PrintAndLog("sample: hf 14a snoop c r"); | |
501 | return 0; | |
502 | } | |
503 | ||
504 | for (int i = 0; i < 2; i++) { | |
505 | char ctmp = param_getchar(Cmd, i); | |
506 | if (ctmp == 'c' || ctmp == 'C') param |= 0x01; | |
507 | if (ctmp == 'r' || ctmp == 'R') param |= 0x02; | |
508 | } | |
509 | ||
510 | UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}}; | |
511 | SendCommand(&c); | |
512 | return 0; | |
513 | } | |
514 | ||
515 | int CmdHF14ACmdRaw(const char *cmd) { | |
516 | UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}}; | |
517 | uint8_t reply=1; | |
518 | uint8_t crc=0; | |
519 | uint8_t power=0; | |
520 | uint8_t active=0; | |
521 | uint8_t active_select=0; | |
522 | uint16_t numbits=0; | |
523 | uint16_t timeout=0; | |
524 | uint8_t bTimeout=0; | |
525 | char buf[5]=""; | |
526 | int i=0; | |
527 | uint8_t data[USB_CMD_DATA_SIZE]; | |
528 | unsigned int datalen=0, temp; | |
529 | ||
530 | if (strlen(cmd)<2) { | |
531 | PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>"); | |
532 | PrintAndLog(" -r do not read response"); | |
533 | PrintAndLog(" -c calculate and append CRC"); | |
534 | PrintAndLog(" -p leave the signal field ON after receive"); | |
535 | PrintAndLog(" -a active signal field ON without select"); | |
536 | PrintAndLog(" -s active signal field ON with select"); | |
537 | PrintAndLog(" -b number of bits to send. Useful for send partial byte"); | |
538 | PrintAndLog(" -t timeout"); | |
539 | return 0; | |
540 | } | |
541 | ||
542 | // strip | |
543 | while (*cmd==' ' || *cmd=='\t') cmd++; | |
544 | ||
545 | while (cmd[i]!='\0') { | |
546 | if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; } | |
547 | if (cmd[i]=='-') { | |
548 | switch (cmd[i+1]) { | |
549 | case 'r': | |
550 | reply=0; | |
551 | break; | |
552 | case 'c': | |
553 | crc=1; | |
554 | break; | |
555 | case 'p': | |
556 | power=1; | |
557 | break; | |
558 | case 'a': | |
559 | active=1; | |
560 | break; | |
561 | case 's': | |
562 | active_select=1; | |
563 | break; | |
564 | case 'b': | |
565 | sscanf(cmd+i+2,"%d",&temp); | |
566 | numbits = temp & 0xFFFF; | |
567 | i+=3; | |
568 | while(cmd[i]!=' ' && cmd[i]!='\0') { i++; } | |
569 | i-=2; | |
570 | break; | |
571 | case 't': | |
572 | bTimeout=1; | |
573 | sscanf(cmd+i+2,"%d",&temp); | |
574 | timeout = temp & 0xFFFF; | |
575 | i+=3; | |
576 | while(cmd[i]!=' ' && cmd[i]!='\0') { i++; } | |
577 | i+=2; | |
578 | break; | |
579 | default: | |
580 | PrintAndLog("Invalid option"); | |
581 | return 0; | |
582 | } | |
583 | i+=2; | |
584 | continue; | |
585 | } | |
586 | if ((cmd[i]>='0' && cmd[i]<='9') || | |
587 | (cmd[i]>='a' && cmd[i]<='f') || | |
588 | (cmd[i]>='A' && cmd[i]<='F') ) { | |
589 | buf[strlen(buf)+1]=0; | |
590 | buf[strlen(buf)]=cmd[i]; | |
591 | i++; | |
592 | ||
593 | if (strlen(buf)>=2) { | |
594 | sscanf(buf,"%x",&temp); | |
595 | data[datalen]=(uint8_t)(temp & 0xff); | |
596 | *buf=0; | |
597 | if (++datalen>sizeof(data)){ | |
598 | if (crc) | |
599 | PrintAndLog("Buffer is full, we can't add CRC to your data"); | |
600 | break; | |
601 | } | |
602 | } | |
603 | continue; | |
604 | } | |
605 | PrintAndLog("Invalid char on input"); | |
606 | return 0; | |
607 | } | |
608 | if(crc && datalen>0 && datalen<sizeof(data)-2) | |
609 | { | |
610 | uint8_t first, second; | |
611 | ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second); | |
612 | data[datalen++] = first; | |
613 | data[datalen++] = second; | |
614 | } | |
615 | ||
616 | if(active || active_select) | |
617 | { | |
618 | c.arg[0] |= ISO14A_CONNECT; | |
619 | if(active) | |
620 | c.arg[0] |= ISO14A_NO_SELECT; | |
621 | } | |
622 | if(bTimeout){ | |
623 | #define MAX_TIMEOUT 624*105 // max timeout is 624 ms | |
624 | c.arg[0] |= ISO14A_SET_TIMEOUT; | |
625 | c.arg[2] = timeout * 105; // each bit is about 9.4 us | |
626 | if(c.arg[2]>MAX_TIMEOUT) { | |
627 | c.arg[2] = MAX_TIMEOUT; | |
628 | PrintAndLog("Set timeout to 624 ms. The max we can wait for response"); | |
629 | } | |
630 | } | |
631 | if(power) | |
632 | c.arg[0] |= ISO14A_NO_DISCONNECT; | |
633 | if(datalen>0) | |
634 | c.arg[0] |= ISO14A_RAW; | |
635 | ||
636 | // Max buffer is USB_CMD_DATA_SIZE | |
637 | c.arg[1] = (datalen & 0xFFFF) | (numbits << 16); | |
638 | memcpy(c.d.asBytes,data,datalen); | |
639 | ||
640 | SendCommand(&c); | |
641 | ||
642 | if (reply) { | |
643 | if(active_select) | |
644 | waitCmd(1); | |
645 | if(datalen>0) | |
646 | waitCmd(0); | |
647 | } // if reply | |
648 | return 0; | |
649 | } | |
650 | ||
651 | static void waitCmd(uint8_t iSelect) | |
652 | { | |
653 | uint8_t *recv; | |
654 | UsbCommand resp; | |
655 | char *hexout; | |
656 | ||
657 | if (WaitForResponseTimeout(CMD_ACK,&resp,10000)) { | |
658 | recv = resp.d.asBytes; | |
659 | uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0]; | |
660 | PrintAndLog("received %i octets",iLen); | |
661 | if(!iLen) | |
662 | return; | |
663 | hexout = (char *)malloc(iLen * 3 + 1); | |
664 | if (hexout != NULL) { | |
665 | for (int i = 0; i < iLen; i++) { // data in hex | |
666 | sprintf(&hexout[i * 3], "%02X ", recv[i]); | |
667 | } | |
668 | PrintAndLog("%s", hexout); | |
669 | free(hexout); | |
670 | } else { | |
671 | PrintAndLog("malloc failed your client has low memory?"); | |
672 | } | |
673 | } else { | |
674 | PrintAndLog("timeout while waiting for reply."); | |
675 | } | |
676 | } | |
677 | ||
678 | static command_t CommandTable[] = | |
679 | { | |
680 | {"help", CmdHelp, 1, "This help"}, | |
681 | {"list", CmdHF14AList, 0, "List ISO 14443a history"}, | |
682 | {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"}, | |
683 | {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"}, | |
684 | {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"}, | |
685 | {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"}, | |
686 | {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"}, | |
687 | {NULL, NULL, 0, NULL} | |
688 | }; | |
689 | ||
690 | int CmdHF14A(const char *Cmd) { | |
691 | // flush | |
692 | WaitForResponseTimeout(CMD_ACK,NULL,100); | |
693 | ||
694 | // parse | |
695 | CmdsParse(CommandTable, Cmd); | |
696 | return 0; | |
697 | } | |
698 | ||
699 | int CmdHelp(const char *Cmd) | |
700 | { | |
701 | CmdsHelp(CommandTable); | |
702 | return 0; | |
703 | } |