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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 "iso14443crc.h" | |
18 | #include "data.h" | |
19 | #include "proxmark3.h" | |
20 | #include "ui.h" | |
21 | #include "cmdparser.h" | |
22 | #include "cmdhf14a.h" | |
23 | #include "common.h" | |
24 | #include "cmdmain.h" | |
25 | #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 | if (param == 'f') { | |
44 | ShowWaitCycles = true; | |
45 | } | |
46 | ||
47 | uint8_t got[1920]; | |
48 | GetFromBigBuf(got,sizeof(got),0); | |
49 | WaitForResponse(CMD_ACK,NULL); | |
50 | ||
51 | PrintAndLog("Recorded Activity"); | |
52 | PrintAndLog(""); | |
53 | PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer"); | |
54 | PrintAndLog("All times are in carrier periods (1/13.56Mhz)"); | |
55 | PrintAndLog(""); | |
56 | PrintAndLog(" Start | End | Src | Data"); | |
57 | PrintAndLog("-----------|-----------|-----|--------"); | |
58 | ||
59 | int i = 0; | |
60 | uint32_t first_timestamp = 0; | |
61 | uint32_t timestamp; | |
62 | uint32_t EndOfTransmissionTimestamp = 0; | |
63 | ||
64 | for (;;) { | |
65 | if(i >= 1900) { | |
66 | break; | |
67 | } | |
68 | ||
69 | bool isResponse; | |
70 | timestamp = *((uint32_t *)(got+i)); | |
71 | if (timestamp & 0x80000000) { | |
72 | timestamp &= 0x7fffffff; | |
73 | isResponse = true; | |
74 | } else { | |
75 | isResponse = false; | |
76 | } | |
77 | ||
78 | if(i==0) { | |
79 | first_timestamp = timestamp; | |
80 | } | |
81 | ||
82 | int parityBits = *((uint32_t *)(got+i+4)); | |
83 | ||
84 | int len = got[i+8]; | |
85 | ||
86 | if (len > 100) { | |
87 | break; | |
88 | } | |
89 | if (i + len >= 1900) { | |
90 | break; | |
91 | } | |
92 | ||
93 | uint8_t *frame = (got+i+9); | |
94 | ||
95 | // Break and stick with current result if buffer was not completely full | |
96 | if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break; | |
97 | ||
98 | char line[1000] = ""; | |
99 | int j; | |
100 | if (len) { | |
101 | for (j = 0; j < len; j++) { | |
102 | int oddparity = 0x01; | |
103 | int k; | |
104 | ||
105 | for (k=0;k<8;k++) { | |
106 | oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01); | |
107 | } | |
108 | ||
109 | //if((parityBits >> (len - j - 1)) & 0x01) { | |
110 | if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) { | |
111 | sprintf(line+(j*4), "%02x! ", frame[j]); | |
112 | } else { | |
113 | sprintf(line+(j*4), "%02x ", frame[j]); | |
114 | } | |
115 | } | |
116 | } else { | |
117 | if (ShowWaitCycles) { | |
118 | uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff; | |
119 | sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp)); | |
120 | } | |
121 | } | |
122 | ||
123 | char *crc; | |
124 | crc = ""; | |
125 | if (len > 2) { | |
126 | uint8_t b1, b2; | |
127 | for (j = 0; j < (len - 1); j++) { | |
128 | // gives problems... search for the reason.. | |
129 | /*if(frame[j] == 0xAA) { | |
130 | switch(frame[j+1]) { | |
131 | case 0x01: | |
132 | crc = "[1] Two drops close after each other"; | |
133 | break; | |
134 | case 0x02: | |
135 | crc = "[2] Potential SOC with a drop in second half of bitperiod"; | |
136 | break; | |
137 | case 0x03: | |
138 | crc = "[3] Segment Z after segment X is not possible"; | |
139 | break; | |
140 | case 0x04: | |
141 | crc = "[4] Parity bit of a fully received byte was wrong"; | |
142 | break; | |
143 | default: | |
144 | crc = "[?] Unknown error"; | |
145 | break; | |
146 | } | |
147 | break; | |
148 | }*/ | |
149 | } | |
150 | ||
151 | if (strlen(crc)==0) { | |
152 | ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2); | |
153 | if (b1 != frame[len-2] || b2 != frame[len-1]) { | |
154 | crc = (isResponse & (len < 6)) ? "" : " !crc"; | |
155 | } else { | |
156 | crc = ""; | |
157 | } | |
158 | } | |
159 | } else { | |
160 | crc = ""; // SHORT | |
161 | } | |
162 | ||
163 | i += (len + 9); | |
164 | ||
165 | EndOfTransmissionTimestamp = (*((uint32_t *)(got+i))) & 0x7fffffff; | |
166 | ||
167 | if (!ShowWaitCycles) i += 9; | |
168 | ||
169 | PrintAndLog(" %9d | %9d | %s | %s %s", | |
170 | (timestamp - first_timestamp), | |
171 | (EndOfTransmissionTimestamp - first_timestamp), | |
172 | (len?(isResponse ? "Tag" : "Rdr"):" "), | |
173 | line, crc); | |
174 | ||
175 | } | |
176 | return 0; | |
177 | } | |
178 | ||
179 | void iso14a_set_timeout(uint32_t timeout) { | |
180 | UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}}; | |
181 | SendCommand(&c); | |
182 | } | |
183 | ||
184 | int CmdHF14AReader(const char *Cmd) | |
185 | { | |
186 | UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}}; | |
187 | SendCommand(&c); | |
188 | ||
189 | UsbCommand resp; | |
190 | WaitForResponse(CMD_ACK,&resp); | |
191 | ||
192 | iso14a_card_select_t card; | |
193 | memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t)); | |
194 | ||
195 | uint64_t select_status = resp.arg[0]; | |
196 | ||
197 | if(select_status == 0) { | |
198 | PrintAndLog("iso14443a card select failed"); | |
199 | return 0; | |
200 | } | |
201 | ||
202 | PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]); | |
203 | PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen)); | |
204 | PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]); | |
205 | ||
206 | switch (card.sak) { | |
207 | case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break; | |
208 | case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break; | |
209 | case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break; | |
210 | case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break; | |
211 | case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break; | |
212 | case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break; | |
213 | case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break; | |
214 | case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break; | |
215 | case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break; | |
216 | case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break; | |
217 | case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break; | |
218 | case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break; | |
219 | case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break; | |
220 | default: ; | |
221 | } | |
222 | ||
223 | ||
224 | // try to request ATS even if tag claims not to support it | |
225 | if (select_status == 2) { | |
226 | uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0 | |
227 | c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT; | |
228 | c.arg[1] = 2; | |
229 | c.arg[2] = 0; | |
230 | memcpy(c.d.asBytes, rats, 2); | |
231 | SendCommand(&c); | |
232 | WaitForResponse(CMD_ACK,&resp); | |
233 | ||
234 | memcpy(&card.ats, resp.d.asBytes, resp.arg[0]); | |
235 | card.ats_len = resp.arg[0]; | |
236 | } | |
237 | ||
238 | // disconnect | |
239 | c.arg[0] = 0; | |
240 | c.arg[1] = 0; | |
241 | c.arg[2] = 0; | |
242 | SendCommand(&c); | |
243 | ||
244 | ||
245 | if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte TL and 2 CRC bytes | |
246 | bool ta1 = 0, tb1 = 0, tc1 = 0; | |
247 | int pos; | |
248 | ||
249 | if (!(card.sak & 0x02)) { | |
250 | PrintAndLog("SAK incorrectly claims that card doesn't support RATS"); | |
251 | } | |
252 | PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len)); | |
253 | if (card.ats_len > 0) { | |
254 | PrintAndLog(" - TL : length is %d bytes", card.ats[0]); | |
255 | } | |
256 | if (card.ats_len > 1) { | |
257 | ta1 = (card.ats[1] & 0x10) == 0x10; | |
258 | tb1 = (card.ats[1] & 0x20) == 0x20; | |
259 | tc1 = (card.ats[1] & 0x40) == 0x40; | |
260 | PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, " | |
261 | "TC1 is%s present, FSCI is %d", | |
262 | (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"), | |
263 | (card.ats[1] & 0x0f)); | |
264 | } | |
265 | pos = 2; | |
266 | if (ta1 && card.ats_len > pos) { | |
267 | char dr[16], ds[16]; | |
268 | dr[0] = ds[0] = '\0'; | |
269 | if (card.ats[pos] & 0x10) strcat(ds, "2, "); | |
270 | if (card.ats[pos] & 0x20) strcat(ds, "4, "); | |
271 | if (card.ats[pos] & 0x40) strcat(ds, "8, "); | |
272 | if (card.ats[pos] & 0x01) strcat(dr, "2, "); | |
273 | if (card.ats[pos] & 0x02) strcat(dr, "4, "); | |
274 | if (card.ats[pos] & 0x04) strcat(dr, "8, "); | |
275 | if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0'; | |
276 | if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0'; | |
277 | PrintAndLog(" - TA1 : different divisors are%s supported, " | |
278 | "DR: [%s], DS: [%s]", | |
279 | (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds); | |
280 | pos++; | |
281 | } | |
282 | if (tb1 && card.ats_len > pos) { | |
283 | PrintAndLog(" - TB1 : SFGI = %d, FWI = %d", | |
284 | (card.ats[pos] & 0x08), | |
285 | (card.ats[pos] & 0x80) >> 4); | |
286 | pos++; | |
287 | } | |
288 | if (tc1 && card.ats_len > pos) { | |
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_len > pos) { | |
295 | char *tip = ""; | |
296 | if (card.ats_len - 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_len - pos - 2), 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(""); | |
429 | return 1; | |
430 | } | |
431 | ||
432 | // Store the tag type | |
433 | c.arg[0] = tagtype; | |
434 | ||
435 | // Retrieve the full 4 or 7 byte long uid | |
436 | uint64_t long_uid = param_get64ex(Cmd,1,0,16); | |
437 | ||
438 | // Are we handling the (optional) second part uid? | |
439 | if (long_uid > 0xffffffff) { | |
440 | PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid); | |
441 | // Store the second part | |
442 | c.arg[2] = (long_uid & 0xffffffff); | |
443 | long_uid >>= 32; | |
444 | // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88) | |
445 | c.arg[1] = (long_uid & 0xffffff); | |
446 | } else { | |
447 | PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid); | |
448 | // Only store the first part | |
449 | c.arg[1] = long_uid & 0xffffffff; | |
450 | } | |
451 | /* | |
452 | // At lease save the mandatory first part of the UID | |
453 | c.arg[0] = long_uid & 0xffffffff; | |
454 | ||
455 | ||
456 | // At lease save the mandatory first part of the UID | |
457 | c.arg[0] = long_uid & 0xffffffff; | |
458 | ||
459 | if (c.arg[1] == 0) { | |
460 | PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]); | |
461 | } | |
462 | ||
463 | switch (c.arg[0]) { | |
464 | case 1: { | |
465 | PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID"); | |
466 | 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)}; | |
467 | } break; | |
468 | case 2: { | |
469 | PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID"); | |
470 | } break; | |
471 | default: { | |
472 | PrintAndLog("Error: unkown tag type (%d)",c.arg[0]); | |
473 | PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]); | |
474 | PrintAndLog(" type1: 4 ",c.arg[0]); | |
475 | ||
476 | return 1; | |
477 | } break; | |
478 | } | |
479 | */ | |
480 | /* | |
481 | unsigned int hi = 0, lo = 0; | |
482 | int n = 0, i = 0; | |
483 | while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { | |
484 | hi= (hi << 4) | (lo >> 28); | |
485 | lo= (lo << 4) | (n & 0xf); | |
486 | } | |
487 | */ | |
488 | // 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)}; | |
489 | // PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]); | |
490 | SendCommand(&c); | |
491 | return 0; | |
492 | } | |
493 | ||
494 | int CmdHF14ASnoop(const char *Cmd) { | |
495 | int param = 0; | |
496 | ||
497 | if (param_getchar(Cmd, 0) == 'h') { | |
498 | PrintAndLog("It get data from the field and saves it into command buffer."); | |
499 | PrintAndLog("Buffer accessible from command hf 14a list."); | |
500 | PrintAndLog("Usage: hf 14a snoop [c][r]"); | |
501 | PrintAndLog("c - triggered by first data from card"); | |
502 | PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)"); | |
503 | PrintAndLog("sample: hf 14a snoop c r"); | |
504 | return 0; | |
505 | } | |
506 | ||
507 | for (int i = 0; i < 2; i++) { | |
508 | char ctmp = param_getchar(Cmd, i); | |
509 | if (ctmp == 'c' || ctmp == 'C') param |= 0x01; | |
510 | if (ctmp == 'r' || ctmp == 'R') param |= 0x02; | |
511 | } | |
512 | ||
513 | UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}}; | |
514 | SendCommand(&c); | |
515 | return 0; | |
516 | } | |
517 | ||
518 | int CmdHF14ACmdRaw(const char *cmd) { | |
519 | UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}}; | |
520 | uint8_t reply=1; | |
521 | uint8_t crc=0; | |
522 | uint8_t power=0; | |
523 | uint8_t active=0; | |
524 | uint8_t active_select=0; | |
525 | uint16_t numbits=0; | |
526 | char buf[5]=""; | |
527 | int i=0; | |
528 | uint8_t data[100]; | |
529 | unsigned int datalen=0, temp; | |
530 | ||
531 | if (strlen(cmd)<2) { | |
532 | PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>"); | |
533 | PrintAndLog(" -r do not read response"); | |
534 | PrintAndLog(" -c calculate and append CRC"); | |
535 | PrintAndLog(" -p leave the signal field ON after receive"); | |
536 | PrintAndLog(" -a active signal field ON without select"); | |
537 | PrintAndLog(" -s active signal field ON with select"); | |
538 | PrintAndLog(" -b number of bits to send. Useful for send partial byte"); | |
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 | default: | |
572 | PrintAndLog("Invalid option"); | |
573 | return 0; | |
574 | } | |
575 | i+=2; | |
576 | continue; | |
577 | } | |
578 | if ((cmd[i]>='0' && cmd[i]<='9') || | |
579 | (cmd[i]>='a' && cmd[i]<='f') || | |
580 | (cmd[i]>='A' && cmd[i]<='F') ) { | |
581 | buf[strlen(buf)+1]=0; | |
582 | buf[strlen(buf)]=cmd[i]; | |
583 | i++; | |
584 | ||
585 | if (strlen(buf)>=2) { | |
586 | sscanf(buf,"%x",&temp); | |
587 | data[datalen]=(uint8_t)(temp & 0xff); | |
588 | datalen++; | |
589 | *buf=0; | |
590 | } | |
591 | continue; | |
592 | } | |
593 | PrintAndLog("Invalid char on input"); | |
594 | return 0; | |
595 | } | |
596 | if(crc && datalen>0) | |
597 | { | |
598 | uint8_t first, second; | |
599 | ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second); | |
600 | data[datalen++] = first; | |
601 | data[datalen++] = second; | |
602 | } | |
603 | ||
604 | if(active || active_select) | |
605 | { | |
606 | c.arg[0] |= ISO14A_CONNECT; | |
607 | if(active) | |
608 | c.arg[0] |= ISO14A_NO_SELECT; | |
609 | } | |
610 | if(power) | |
611 | c.arg[0] |= ISO14A_NO_DISCONNECT; | |
612 | if(datalen>0) | |
613 | c.arg[0] |= ISO14A_RAW; | |
614 | ||
615 | c.arg[1] = datalen; | |
616 | c.arg[2] = numbits; | |
617 | memcpy(c.d.asBytes,data,datalen); | |
618 | ||
619 | SendCommand(&c); | |
620 | ||
621 | if (reply) { | |
622 | if(active_select) | |
623 | waitCmd(1); | |
624 | if(datalen>0) | |
625 | waitCmd(0); | |
626 | } // if reply | |
627 | return 0; | |
628 | } | |
629 | ||
630 | static void waitCmd(uint8_t iSelect) | |
631 | { | |
632 | uint8_t *recv; | |
633 | UsbCommand resp; | |
634 | char *hexout; | |
635 | ||
636 | if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) { | |
637 | recv = resp.d.asBytes; | |
638 | uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0]; | |
639 | PrintAndLog("received %i octets",iLen); | |
640 | if(!iLen) | |
641 | return; | |
642 | hexout = (char *)malloc(iLen * 3 + 1); | |
643 | if (hexout != NULL) { | |
644 | for (int i = 0; i < iLen; i++) { // data in hex | |
645 | sprintf(&hexout[i * 3], "%02X ", recv[i]); | |
646 | } | |
647 | PrintAndLog("%s", hexout); | |
648 | free(hexout); | |
649 | } else { | |
650 | PrintAndLog("malloc failed your client has low memory?"); | |
651 | } | |
652 | } else { | |
653 | PrintAndLog("timeout while waiting for reply."); | |
654 | } | |
655 | } | |
656 | ||
657 | static command_t CommandTable[] = | |
658 | { | |
659 | {"help", CmdHelp, 1, "This help"}, | |
660 | {"list", CmdHF14AList, 0, "List ISO 14443a history"}, | |
661 | {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"}, | |
662 | {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"}, | |
663 | {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"}, | |
664 | {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"}, | |
665 | {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"}, | |
666 | {NULL, NULL, 0, NULL} | |
667 | }; | |
668 | ||
669 | int CmdHF14A(const char *Cmd) { | |
670 | // flush | |
671 | WaitForResponseTimeout(CMD_ACK,NULL,100); | |
672 | ||
673 | // parse | |
674 | CmdsParse(CommandTable, Cmd); | |
675 | return 0; | |
676 | } | |
677 | ||
678 | int CmdHelp(const char *Cmd) | |
679 | { | |
680 | CmdsHelp(CommandTable); | |
681 | return 0; | |
682 | } |