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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 <inttypes.h>
15 #include <string.h>
16 #include <unistd.h>
17 #include "util.h"
18 #include "util_posix.h"
19 #include "iso14443crc.h"
20 #include "data.h"
21 #include "proxmark3.h"
22 #include "ui.h"
23 #include "cmdparser.h"
24 #include "cmdhf14a.h"
25 #include "common.h"
26 #include "cmdmain.h"
27 #include "mifare.h"
28 #include "cmdhfmfu.h"
29 #include "mifarehost.h"
30
31 static int CmdHelp(const char *Cmd);
32 static void waitCmd(uint8_t iLen);
33
34 // structure and database for uid -> tagtype lookups
35 typedef struct {
36 uint8_t uid;
37 char* desc;
38 } manufactureName;
39
40 const manufactureName manufactureMapping[] = {
41 // ID, "Vendor Country"
42 { 0x01, "Motorola UK" },
43 { 0x02, "ST Microelectronics SA France" },
44 { 0x03, "Hitachi, Ltd Japan" },
45 { 0x04, "NXP Semiconductors Germany" },
46 { 0x05, "Infineon Technologies AG Germany" },
47 { 0x06, "Cylink USA" },
48 { 0x07, "Texas Instrument France" },
49 { 0x08, "Fujitsu Limited Japan" },
50 { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
51 { 0x0A, "NEC Japan" },
52 { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
53 { 0x0C, "Toshiba Corp. Japan" },
54 { 0x0D, "Mitsubishi Electric Corp. Japan" },
55 { 0x0E, "Samsung Electronics Co. Ltd Korea" },
56 { 0x0F, "Hynix / Hyundai, Korea" },
57 { 0x10, "LG-Semiconductors Co. Ltd Korea" },
58 { 0x11, "Emosyn-EM Microelectronics USA" },
59 { 0x12, "INSIDE Technology France" },
60 { 0x13, "ORGA Kartensysteme GmbH Germany" },
61 { 0x14, "SHARP Corporation Japan" },
62 { 0x15, "ATMEL France" },
63 { 0x16, "EM Microelectronic-Marin SA Switzerland" },
64 { 0x17, "KSW Microtec GmbH Germany" },
65 { 0x18, "ZMD AG Germany" },
66 { 0x19, "XICOR, Inc. USA" },
67 { 0x1A, "Sony Corporation Japan Identifier Company Country" },
68 { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
69 { 0x1C, "Emosyn USA" },
70 { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
71 { 0x1E, "Magellan Technology Pty Limited Australia" },
72 { 0x1F, "Melexis NV BO Switzerland" },
73 { 0x20, "Renesas Technology Corp. Japan" },
74 { 0x21, "TAGSYS France" },
75 { 0x22, "Transcore USA" },
76 { 0x23, "Shanghai belling corp., ltd. China" },
77 { 0x24, "Masktech Germany Gmbh Germany" },
78 { 0x25, "Innovision Research and Technology Plc UK" },
79 { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
80 { 0x27, "Cypak AB Sweden" },
81 { 0x28, "Ricoh Japan" },
82 { 0x29, "ASK France" },
83 { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
84 { 0x2B, "Dallas Semiconductor/Maxim USA" },
85 { 0x2C, "Impinj, Inc. USA" },
86 { 0x2D, "RightPlug Alliance USA" },
87 { 0x2E, "Broadcom Corporation USA" },
88 { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
89 { 0x30, "BeeDar Technology Inc. USA" },
90 { 0x31, "RFIDsec Denmark" },
91 { 0x32, "Schweizer Electronic AG Germany" },
92 { 0x33, "AMIC Technology Corp Taiwan" },
93 { 0x34, "Mikron JSC Russia" },
94 { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
95 { 0x36, "IDS Microchip AG Switzerland" },
96 { 0x37, "Kovio USA" },
97 { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
98 { 0x39, "Silicon Craft Technology Thailand" },
99 { 0x3A, "Advanced Film Device Inc. Japan" },
100 { 0x3B, "Nitecrest Ltd UK" },
101 { 0x3C, "Verayo Inc. USA" },
102 { 0x3D, "HID Global USA" },
103 { 0x3E, "Productivity Engineering Gmbh Germany" },
104 { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
105 { 0x40, "Gemalto SA France" },
106 { 0x41, "Renesas Electronics Corporation Japan" },
107 { 0x42, "3Alogics Inc Korea" },
108 { 0x43, "Top TroniQ Asia Limited Hong Kong" },
109 { 0x44, "Gentag Inc (USA) USA" },
110 { 0x00, "no tag-info available" } // must be the last entry
111 };
112
113
114 // get a product description based on the UID
115 // uid[8] tag uid
116 // returns description of the best match
117 char* getTagInfo(uint8_t uid) {
118
119 int i;
120 int len = sizeof(manufactureMapping) / sizeof(manufactureName);
121
122 for ( i = 0; i < len; ++i )
123 if ( uid == manufactureMapping[i].uid)
124 return manufactureMapping[i].desc;
125
126 //No match, return default
127 return manufactureMapping[len-1].desc;
128 }
129
130 int CmdHF14AList(const char *Cmd)
131 {
132 PrintAndLog("Deprecated command, use 'hf list 14a' instead");
133 return 0;
134 }
135
136 int CmdHF14AReader(const char *Cmd)
137 {
138 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
139 SendCommand(&c);
140
141 UsbCommand resp;
142 WaitForResponse(CMD_ACK,&resp);
143
144 iso14a_card_select_t card;
145 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
146
147 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
148
149 if(select_status == 0) {
150 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
151 // disconnect
152 c.arg[0] = 0;
153 c.arg[1] = 0;
154 c.arg[2] = 0;
155 SendCommand(&c);
156 return 0;
157 }
158
159 if(select_status == 3) {
160 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
161 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
162 // disconnect
163 c.arg[0] = 0;
164 c.arg[1] = 0;
165 c.arg[2] = 0;
166 SendCommand(&c);
167 return 0;
168 }
169
170 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
171 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
172 PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
173
174 switch (card.sak) {
175 case 0x00:
176
177 //***************************************test****************
178 // disconnect
179 c.arg[0] = 0;
180 c.arg[1] = 0;
181 c.arg[2] = 0;
182 SendCommand(&c);
183
184 uint32_t tagT = GetHF14AMfU_Type();
185 ul_print_type(tagT, 0);
186
187 //reconnect for further tests
188 c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
189 c.arg[1] = 0;
190 c.arg[2] = 0;
191
192 SendCommand(&c);
193
194 UsbCommand resp;
195 WaitForResponse(CMD_ACK,&resp);
196
197 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
198
199 select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
200
201 if(select_status == 0) {
202 //PrintAndLog("iso14443a card select failed");
203 // disconnect
204 c.arg[0] = 0;
205 c.arg[1] = 0;
206 c.arg[2] = 0;
207 SendCommand(&c);
208 return 0;
209 }
210
211 /* orig
212 // check if the tag answers to GETVERSION (0x60)
213 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
214 c.arg[1] = 1;
215 c.arg[2] = 0;
216 c.d.asBytes[0] = 0x60;
217 SendCommand(&c);
218 WaitForResponse(CMD_ACK,&resp);
219
220 uint8_t version[10] = {0};
221 memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
222 uint8_t len = resp.arg[0] & 0xff;
223 switch ( len ){
224 // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
225 // UL-EV1, size, check version[6] == 0x0b (smaller) 0x0b * 4 == 48
226 case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);break;
227 case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
228 case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
229 }
230 */
231 break;
232 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
233 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
234 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
235 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
236 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
237 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
238 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
239 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
240 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
241 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
242 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
243 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
244 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
245 default: ;
246 }
247
248 // Double & triple sized UID, can be mapped to a manufacturer.
249 // HACK: does this apply for Ultralight cards?
250 if ( card.uidlen > 4 ) {
251 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
252 }
253
254 // try to request ATS even if tag claims not to support it
255 if (select_status == 2) {
256 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
257 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
258 c.arg[1] = 2;
259 c.arg[2] = 0;
260 memcpy(c.d.asBytes, rats, 2);
261 SendCommand(&c);
262 WaitForResponse(CMD_ACK,&resp);
263
264 memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
265 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
266 }
267
268 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
269 bool ta1 = 0, tb1 = 0, tc1 = 0;
270 int pos;
271
272 if (select_status == 2) {
273 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
274 }
275 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
276 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
277 if (card.ats[0] != card.ats_len - 2) {
278 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
279 }
280
281 if (card.ats[0] > 1) { // there is a format byte (T0)
282 ta1 = (card.ats[1] & 0x10) == 0x10;
283 tb1 = (card.ats[1] & 0x20) == 0x20;
284 tc1 = (card.ats[1] & 0x40) == 0x40;
285 int16_t fsci = card.ats[1] & 0x0f;
286 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
287 "TC1 is%s present, FSCI is %d (FSC = %ld)",
288 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
289 fsci,
290 fsci < 5 ? (fsci - 2) * 8 :
291 fsci < 8 ? (fsci - 3) * 32 :
292 fsci == 8 ? 256 :
293 -1
294 );
295 }
296 pos = 2;
297 if (ta1) {
298 char dr[16], ds[16];
299 dr[0] = ds[0] = '\0';
300 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
301 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
302 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
303 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
304 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
305 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
306 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
307 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
308 PrintAndLog(" - TA1 : different divisors are%s supported, "
309 "DR: [%s], DS: [%s]",
310 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
311 pos++;
312 }
313 if (tb1) {
314 uint32_t sfgi = card.ats[pos] & 0x0F;
315 uint32_t fwi = card.ats[pos] >> 4;
316 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
317 (sfgi),
318 sfgi ? "" : "(not needed) ",
319 sfgi ? (1 << 12) << sfgi : 0,
320 fwi,
321 (1 << 12) << fwi
322 );
323 pos++;
324 }
325 if (tc1) {
326 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
327 (card.ats[pos] & 0x01) ? "" : " NOT",
328 (card.ats[pos] & 0x02) ? "" : " NOT");
329 pos++;
330 }
331 if (card.ats[0] > pos) {
332 char *tip = "";
333 if (card.ats[0] - pos >= 7) {
334 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
335 tip = "-> MIFARE Plus X 2K or 4K";
336 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
337 tip = "-> MIFARE Plus S 2K or 4K";
338 }
339 }
340 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
341 if (card.ats[pos] == 0xC1) {
342 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
343 PrintAndLog(" %02x -> Length is %d bytes",
344 card.ats[pos + 1], card.ats[pos + 1]);
345 switch (card.ats[pos + 2] & 0xf0) {
346 case 0x10:
347 PrintAndLog(" 1x -> MIFARE DESFire");
348 break;
349 case 0x20:
350 PrintAndLog(" 2x -> MIFARE Plus");
351 break;
352 }
353 switch (card.ats[pos + 2] & 0x0f) {
354 case 0x00:
355 PrintAndLog(" x0 -> <1 kByte");
356 break;
357 case 0x01:
358 PrintAndLog(" x1 -> 1 kByte");
359 break;
360 case 0x02:
361 PrintAndLog(" x2 -> 2 kByte");
362 break;
363 case 0x03:
364 PrintAndLog(" x3 -> 4 kByte");
365 break;
366 case 0x04:
367 PrintAndLog(" x4 -> 8 kByte");
368 break;
369 }
370 switch (card.ats[pos + 3] & 0xf0) {
371 case 0x00:
372 PrintAndLog(" 0x -> Engineering sample");
373 break;
374 case 0x20:
375 PrintAndLog(" 2x -> Released");
376 break;
377 }
378 switch (card.ats[pos + 3] & 0x0f) {
379 case 0x00:
380 PrintAndLog(" x0 -> Generation 1");
381 break;
382 case 0x01:
383 PrintAndLog(" x1 -> Generation 2");
384 break;
385 case 0x02:
386 PrintAndLog(" x2 -> Generation 3");
387 break;
388 }
389 switch (card.ats[pos + 4] & 0x0f) {
390 case 0x00:
391 PrintAndLog(" x0 -> Only VCSL supported");
392 break;
393 case 0x01:
394 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
395 break;
396 case 0x0E:
397 PrintAndLog(" xE -> no VCS command supported");
398 break;
399 }
400 }
401 }
402 } else {
403 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
404 }
405
406
407 // try to see if card responses to "chinese magic backdoor" commands.
408 mfCIdentify();
409
410 return select_status;
411 }
412
413 // Collect ISO14443 Type A UIDs
414 int CmdHF14ACUIDs(const char *Cmd)
415 {
416 // requested number of UIDs
417 int n = atoi(Cmd);
418 // collect at least 1 (e.g. if no parameter was given)
419 n = n > 0 ? n : 1;
420
421 PrintAndLog("Collecting %d UIDs", n);
422 PrintAndLog("Start: %" PRIu64, msclock()/1000);
423 // repeat n times
424 for (int i = 0; i < n; i++) {
425 // execute anticollision procedure
426 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_RATS, 0, 0}};
427 SendCommand(&c);
428
429 UsbCommand resp;
430 WaitForResponse(CMD_ACK,&resp);
431
432 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
433
434 // check if command failed
435 if (resp.arg[0] == 0) {
436 PrintAndLog("Card select failed.");
437 } else {
438 char uid_string[20];
439 for (uint16_t i = 0; i < card->uidlen; i++) {
440 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
441 }
442 PrintAndLog("%s", uid_string);
443 }
444 }
445 PrintAndLog("End: %" PRIu64, msclock()/1000);
446
447 return 1;
448 }
449
450 // ## simulate iso14443a tag
451 // ## greg - added ability to specify tag UID
452 int CmdHF14ASim(const char *Cmd)
453 {
454 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
455
456 // Retrieve the tag type
457 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
458
459 // When no argument was given, just print help message
460 if (tagtype == 0) {
461 PrintAndLog("");
462 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
463 PrintAndLog("");
464 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
465 PrintAndLog(" types: 1 = MIFARE Classic");
466 PrintAndLog(" 2 = MIFARE Ultralight");
467 PrintAndLog(" 3 = MIFARE Desfire");
468 PrintAndLog(" 4 = ISO/IEC 14443-4");
469 PrintAndLog(" 5 = MIFARE Tnp3xxx");
470 PrintAndLog("");
471 return 1;
472 }
473
474 // Store the tag type
475 c.arg[0] = tagtype;
476
477 // Retrieve the full 4 or 7 byte long uid
478 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
479
480 // Are we handling the (optional) second part uid?
481 if (long_uid > 0xffffffff) {
482 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014" PRIx64 ")",long_uid);
483 // Store the second part
484 c.arg[2] = (long_uid & 0xffffffff);
485 long_uid >>= 32;
486 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
487 c.arg[1] = (long_uid & 0xffffff);
488 } else {
489 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
490 // Only store the first part
491 c.arg[1] = long_uid & 0xffffffff;
492 }
493 /*
494 // At lease save the mandatory first part of the UID
495 c.arg[0] = long_uid & 0xffffffff;
496
497 if (c.arg[1] == 0) {
498 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
499 }
500
501 switch (c.arg[0]) {
502 case 1: {
503 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
504 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)};
505 } break;
506 case 2: {
507 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
508 } break;
509 default: {
510 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
511 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
512 PrintAndLog(" type1: 4 ",c.arg[0]);
513
514 return 1;
515 } break;
516 }
517 */
518 /*
519 unsigned int hi = 0, lo = 0;
520 int n = 0, i = 0;
521 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
522 hi= (hi << 4) | (lo >> 28);
523 lo= (lo << 4) | (n & 0xf);
524 }
525 */
526 // 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)};
527 // PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
528 SendCommand(&c);
529 return 0;
530 }
531
532 int CmdHF14ASnoop(const char *Cmd) {
533 int param = 0;
534
535 uint8_t ctmp = param_getchar(Cmd, 0) ;
536 if (ctmp == 'h' || ctmp == 'H') {
537 PrintAndLog("It get data from the field and saves it into command buffer.");
538 PrintAndLog("Buffer accessible from command hf list 14a.");
539 PrintAndLog("Usage: hf 14a snoop [c][r]");
540 PrintAndLog("c - triggered by first data from card");
541 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
542 PrintAndLog("sample: hf 14a snoop c r");
543 return 0;
544 }
545
546 for (int i = 0; i < 2; i++) {
547 ctmp = param_getchar(Cmd, i);
548 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
549 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
550 }
551
552 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
553 SendCommand(&c);
554 return 0;
555 }
556
557
558 int CmdHF14ACmdRaw(const char *cmd) {
559 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
560 bool reply=1;
561 bool crc = false;
562 bool power = false;
563 bool active = false;
564 bool active_select = false;
565 bool no_rats = false;
566 uint16_t numbits = 0;
567 bool bTimeout = false;
568 uint32_t timeout = 0;
569 bool topazmode = false;
570 char buf[5]="";
571 int i = 0;
572 uint8_t data[USB_CMD_DATA_SIZE];
573 uint16_t datalen = 0;
574 uint32_t temp;
575
576 if (strlen(cmd)<2) {
577 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
578 PrintAndLog(" -r do not read response");
579 PrintAndLog(" -c calculate and append CRC");
580 PrintAndLog(" -p leave the signal field ON after receive");
581 PrintAndLog(" -a active signal field ON without select");
582 PrintAndLog(" -s active signal field ON with select");
583 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
584 PrintAndLog(" -t timeout in ms");
585 PrintAndLog(" -T use Topaz protocol to send command");
586 PrintAndLog(" -3 ISO14443-3 select only (skip RATS)");
587 return 0;
588 }
589
590
591 // strip
592 while (*cmd==' ' || *cmd=='\t') cmd++;
593
594 while (cmd[i]!='\0') {
595 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
596 if (cmd[i]=='-') {
597 switch (cmd[i+1]) {
598 case 'r':
599 reply = false;
600 break;
601 case 'c':
602 crc = true;
603 break;
604 case 'p':
605 power = true;
606 break;
607 case 'a':
608 active = true;
609 break;
610 case 's':
611 active_select = true;
612 break;
613 case 'b':
614 sscanf(cmd+i+2,"%d",&temp);
615 numbits = temp & 0xFFFF;
616 i+=3;
617 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
618 i-=2;
619 break;
620 case 't':
621 bTimeout = true;
622 sscanf(cmd+i+2,"%d",&temp);
623 timeout = temp;
624 i+=3;
625 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
626 i-=2;
627 break;
628 case 'T':
629 topazmode = true;
630 break;
631 case '3':
632 no_rats = true;
633 break;
634 default:
635 PrintAndLog("Invalid option");
636 return 0;
637 }
638 i+=2;
639 continue;
640 }
641 if ((cmd[i]>='0' && cmd[i]<='9') ||
642 (cmd[i]>='a' && cmd[i]<='f') ||
643 (cmd[i]>='A' && cmd[i]<='F') ) {
644 buf[strlen(buf)+1]=0;
645 buf[strlen(buf)]=cmd[i];
646 i++;
647
648 if (strlen(buf)>=2) {
649 sscanf(buf,"%x",&temp);
650 data[datalen]=(uint8_t)(temp & 0xff);
651 *buf=0;
652 if (datalen > sizeof(data)-1) {
653 if (crc)
654 PrintAndLog("Buffer is full, we can't add CRC to your data");
655 break;
656 } else {
657 datalen++;
658 }
659 }
660 continue;
661 }
662 PrintAndLog("Invalid char on input");
663 return 0;
664 }
665
666 if(crc && datalen>0 && datalen<sizeof(data)-2)
667 {
668 uint8_t first, second;
669 if (topazmode) {
670 ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
671 } else {
672 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
673 }
674 data[datalen++] = first;
675 data[datalen++] = second;
676 }
677
678 if(active || active_select)
679 {
680 c.arg[0] |= ISO14A_CONNECT;
681 if(active)
682 c.arg[0] |= ISO14A_NO_SELECT;
683 }
684
685 if(bTimeout){
686 #define MAX_TIMEOUT 40542464 // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
687 c.arg[0] |= ISO14A_SET_TIMEOUT;
688 if(timeout > MAX_TIMEOUT) {
689 timeout = MAX_TIMEOUT;
690 PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
691 }
692 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
693 }
694
695 if(power) {
696 c.arg[0] |= ISO14A_NO_DISCONNECT;
697 }
698
699 if(datalen > 0) {
700 c.arg[0] |= ISO14A_RAW;
701 }
702
703 if(topazmode) {
704 c.arg[0] |= ISO14A_TOPAZMODE;
705 }
706
707 if(no_rats) {
708 c.arg[0] |= ISO14A_NO_RATS;
709 }
710
711 // Max buffer is USB_CMD_DATA_SIZE (512)
712 c.arg[1] = (datalen & 0xFFFF) | ((uint32_t)numbits << 16);
713 memcpy(c.d.asBytes,data,datalen);
714
715 SendCommand(&c);
716
717 if (reply) {
718 if(active_select)
719 waitCmd(1);
720 if(datalen>0)
721 waitCmd(0);
722 } // if reply
723 return 0;
724 }
725
726
727 static void waitCmd(uint8_t iSelect)
728 {
729 uint8_t *recv;
730 UsbCommand resp;
731 char *hexout;
732
733 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
734 recv = resp.d.asBytes;
735 uint8_t iLen = resp.arg[0];
736 if (iSelect){
737 iLen = resp.arg[1];
738 if (iLen){
739 PrintAndLog("Card selected. UID[%i]:", iLen);
740 } else {
741 PrintAndLog("Can't select card.");
742 }
743 } else {
744 PrintAndLog("received %i bytes:", iLen);
745 }
746 if(!iLen)
747 return;
748 hexout = (char *)malloc(iLen * 3 + 1);
749 if (hexout != NULL) {
750 for (int i = 0; i < iLen; i++) { // data in hex
751 sprintf(&hexout[i * 3], "%02X ", recv[i]);
752 }
753 PrintAndLog("%s", hexout);
754 free(hexout);
755 } else {
756 PrintAndLog("malloc failed your client has low memory?");
757 }
758 } else {
759 PrintAndLog("timeout while waiting for reply.");
760 }
761 }
762
763 static command_t CommandTable[] =
764 {
765 {"help", CmdHelp, 1, "This help"},
766 {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
767 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
768 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
769 {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
770 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
771 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
772 {NULL, NULL, 0, NULL}
773 };
774
775 int CmdHF14A(const char *Cmd) {
776 // flush
777 WaitForResponseTimeout(CMD_ACK,NULL,100);
778
779 // parse
780 CmdsParse(CommandTable, Cmd);
781 return 0;
782 }
783
784 int CmdHelp(const char *Cmd)
785 {
786 CmdsHelp(CommandTable);
787 return 0;
788 }
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