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Fix memory bounds error
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1//-----------------------------------------------------------------------------
2// 2011, 2017 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 "cmdhf14a.h"
13
14#include <stdio.h>
15#include <stdlib.h>
16#include <inttypes.h>
17#include <string.h>
18#include <unistd.h>
19#include "util.h"
20#include "util_posix.h"
21#include "iso14443crc.h"
22#include "data.h"
23#include "proxmark3.h"
24#include "ui.h"
25#include "cmdparser.h"
26#include "common.h"
27#include "cmdmain.h"
28#include "mifare.h"
29#include "cmdhfmfu.h"
30#include "mifarehost.h"
31#include "emv/apduinfo.h"
32#include "emv/emvcore.h"
33
34static int CmdHelp(const char *Cmd);
35static int waitCmd(uint8_t iLen);
36
37
38const manufactureName manufactureMapping[] = {
39 // ID, "Vendor Country"
40 { 0x01, "Motorola UK" },
41 { 0x02, "ST Microelectronics SA France" },
42 { 0x03, "Hitachi, Ltd Japan" },
43 { 0x04, "NXP Semiconductors Germany" },
44 { 0x05, "Infineon Technologies AG Germany" },
45 { 0x06, "Cylink USA" },
46 { 0x07, "Texas Instrument France" },
47 { 0x08, "Fujitsu Limited Japan" },
48 { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
49 { 0x0A, "NEC Japan" },
50 { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
51 { 0x0C, "Toshiba Corp. Japan" },
52 { 0x0D, "Mitsubishi Electric Corp. Japan" },
53 { 0x0E, "Samsung Electronics Co. Ltd Korea" },
54 { 0x0F, "Hynix / Hyundai, Korea" },
55 { 0x10, "LG-Semiconductors Co. Ltd Korea" },
56 { 0x11, "Emosyn-EM Microelectronics USA" },
57 { 0x12, "INSIDE Technology France" },
58 { 0x13, "ORGA Kartensysteme GmbH Germany" },
59 { 0x14, "SHARP Corporation Japan" },
60 { 0x15, "ATMEL France" },
61 { 0x16, "EM Microelectronic-Marin SA Switzerland" },
62 { 0x17, "KSW Microtec GmbH Germany" },
63 { 0x18, "ZMD AG Germany" },
64 { 0x19, "XICOR, Inc. USA" },
65 { 0x1A, "Sony Corporation Japan Identifier Company Country" },
66 { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
67 { 0x1C, "Emosyn USA" },
68 { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
69 { 0x1E, "Magellan Technology Pty Limited Australia" },
70 { 0x1F, "Melexis NV BO Switzerland" },
71 { 0x20, "Renesas Technology Corp. Japan" },
72 { 0x21, "TAGSYS France" },
73 { 0x22, "Transcore USA" },
74 { 0x23, "Shanghai belling corp., ltd. China" },
75 { 0x24, "Masktech Germany Gmbh Germany" },
76 { 0x25, "Innovision Research and Technology Plc UK" },
77 { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
78 { 0x27, "Cypak AB Sweden" },
79 { 0x28, "Ricoh Japan" },
80 { 0x29, "ASK France" },
81 { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
82 { 0x2B, "Dallas Semiconductor/Maxim USA" },
83 { 0x2C, "Impinj, Inc. USA" },
84 { 0x2D, "RightPlug Alliance USA" },
85 { 0x2E, "Broadcom Corporation USA" },
86 { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
87 { 0x30, "BeeDar Technology Inc. USA" },
88 { 0x31, "RFIDsec Denmark" },
89 { 0x32, "Schweizer Electronic AG Germany" },
90 { 0x33, "AMIC Technology Corp Taiwan" },
91 { 0x34, "Mikron JSC Russia" },
92 { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
93 { 0x36, "IDS Microchip AG Switzerland" },
94 { 0x37, "Kovio USA" },
95 { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
96 { 0x39, "Silicon Craft Technology Thailand" },
97 { 0x3A, "Advanced Film Device Inc. Japan" },
98 { 0x3B, "Nitecrest Ltd UK" },
99 { 0x3C, "Verayo Inc. USA" },
100 { 0x3D, "HID Global USA" },
101 { 0x3E, "Productivity Engineering Gmbh Germany" },
102 { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
103 { 0x40, "Gemalto SA France" },
104 { 0x41, "Renesas Electronics Corporation Japan" },
105 { 0x42, "3Alogics Inc Korea" },
106 { 0x43, "Top TroniQ Asia Limited Hong Kong" },
107 { 0x44, "Gentag Inc (USA) USA" },
108 { 0x00, "no tag-info available" } // must be the last entry
109};
110
111// get a product description based on the UID
112// uid[8] tag uid
113// returns description of the best match
114char* getTagInfo(uint8_t uid) {
115
116 int i;
117 int len = sizeof(manufactureMapping) / sizeof(manufactureName);
118
119 for ( i = 0; i < len; ++i )
120 if ( uid == manufactureMapping[i].uid)
121 return manufactureMapping[i].desc;
122
123 //No match, return default
124 return manufactureMapping[len-1].desc;
125}
126
127int CmdHF14AList(const char *Cmd)
128{
129 PrintAndLog("Deprecated command, use 'hf list 14a' instead");
130 return 0;
131}
132
133int CmdHF14AReader(const char *Cmd) {
134 uint32_t cm = ISO14A_CONNECT;
135 bool disconnectAfter = true;
136
137 int cmdp = 0;
138 while(param_getchar(Cmd, cmdp) != 0x00) {
139 switch(param_getchar(Cmd, cmdp)) {
140 case 'h':
141 case 'H':
142 PrintAndLog("Usage: hf 14a reader [k|x] [3]");
143 PrintAndLog(" k keep the field active after command executed");
144 PrintAndLog(" x just drop the signal field");
145 PrintAndLog(" 3 ISO14443-3 select only (skip RATS)");
146 return 0;
147 case '3':
148 cm |= ISO14A_NO_RATS;
149 break;
150 case 'k':
151 case 'K':
152 disconnectAfter = false;
153 break;
154 case 'x':
155 case 'X':
156 cm = cm - ISO14A_CONNECT;
157 break;
158 default:
159 PrintAndLog("Unknown command.");
160 return 1;
161 }
162
163 cmdp++;
164 }
165
166 if (!disconnectAfter)
167 cm |= ISO14A_NO_DISCONNECT;
168
169 UsbCommand c = {CMD_READER_ISO_14443a, {cm, 0, 0}};
170 SendCommand(&c);
171
172 if (ISO14A_CONNECT & cm) {
173 UsbCommand resp;
174 WaitForResponse(CMD_ACK,&resp);
175
176 iso14a_card_select_t card;
177 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
178
179 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
180
181 if(select_status == 0) {
182 PrintAndLog("iso14443a card select failed");
183 return 1;
184 }
185
186 if(select_status == 3) {
187 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
188 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
189 return 1;
190 }
191
192 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
193 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
194 PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
195 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
196 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
197 }
198 if (!disconnectAfter) {
199 PrintAndLog("Card is selected. You can now start sending commands");
200 }
201 }
202
203 if (disconnectAfter) {
204 PrintAndLog("Field dropped.");
205 }
206
207 return 0;
208}
209
210int CmdHF14AInfo(const char *Cmd)
211{
212 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
213 SendCommand(&c);
214
215 UsbCommand resp;
216 WaitForResponse(CMD_ACK,&resp);
217
218 iso14a_card_select_t card;
219 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
220
221 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
222
223 if(select_status == 0) {
224 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
225 // disconnect
226 c.arg[0] = 0;
227 c.arg[1] = 0;
228 c.arg[2] = 0;
229 SendCommand(&c);
230 return 0;
231 }
232
233 if(select_status == 3) {
234 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
235 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
236 // disconnect
237 c.arg[0] = 0;
238 c.arg[1] = 0;
239 c.arg[2] = 0;
240 SendCommand(&c);
241 return 0;
242 }
243
244 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
245 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
246 PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
247
248 bool isMifareClassic = true;
249 switch (card.sak) {
250 case 0x00:
251 isMifareClassic = false;
252
253 //***************************************test****************
254 // disconnect
255 c.arg[0] = 0;
256 c.arg[1] = 0;
257 c.arg[2] = 0;
258 SendCommand(&c);
259
260 uint32_t tagT = GetHF14AMfU_Type();
261 ul_print_type(tagT, 0);
262
263 //reconnect for further tests
264 c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
265 c.arg[1] = 0;
266 c.arg[2] = 0;
267
268 SendCommand(&c);
269
270 UsbCommand resp;
271 WaitForResponse(CMD_ACK,&resp);
272
273 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
274
275 select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
276
277 if(select_status == 0) {
278 //PrintAndLog("iso14443a card select failed");
279 // disconnect
280 c.arg[0] = 0;
281 c.arg[1] = 0;
282 c.arg[2] = 0;
283 SendCommand(&c);
284 return 0;
285 }
286
287 /* orig
288 // check if the tag answers to GETVERSION (0x60)
289 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
290 c.arg[1] = 1;
291 c.arg[2] = 0;
292 c.d.asBytes[0] = 0x60;
293 SendCommand(&c);
294 WaitForResponse(CMD_ACK,&resp);
295
296 uint8_t version[10] = {0};
297 memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
298 uint8_t len = resp.arg[0] & 0xff;
299 switch ( len ){
300 // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
301 // UL-EV1, size, check version[6] == 0x0b (smaller) 0x0b * 4 == 48
302 case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);break;
303 case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
304 case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
305 }
306 */
307 break;
308 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
309 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
310 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
311 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
312 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
313 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
314 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
315 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
316 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
317 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
318 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
319 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
320 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
321 default: ;
322 }
323
324 // Double & triple sized UID, can be mapped to a manufacturer.
325 // HACK: does this apply for Ultralight cards?
326 if ( card.uidlen > 4 ) {
327 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
328 }
329
330 // try to request ATS even if tag claims not to support it
331 if (select_status == 2) {
332 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
333 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
334 c.arg[1] = 2;
335 c.arg[2] = 0;
336 memcpy(c.d.asBytes, rats, 2);
337 SendCommand(&c);
338 WaitForResponse(CMD_ACK,&resp);
339
340 memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
341 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
342 }
343
344 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
345 bool ta1 = 0, tb1 = 0, tc1 = 0;
346 int pos;
347
348 if (select_status == 2) {
349 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
350 }
351 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
352 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
353 if (card.ats[0] != card.ats_len - 2) {
354 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
355 }
356
357 if (card.ats[0] > 1) { // there is a format byte (T0)
358 ta1 = (card.ats[1] & 0x10) == 0x10;
359 tb1 = (card.ats[1] & 0x20) == 0x20;
360 tc1 = (card.ats[1] & 0x40) == 0x40;
361 int16_t fsci = card.ats[1] & 0x0f;
362 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
363 "TC1 is%s present, FSCI is %d (FSC = %ld)",
364 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
365 fsci,
366 fsci < 5 ? (fsci - 2) * 8 :
367 fsci < 8 ? (fsci - 3) * 32 :
368 fsci == 8 ? 256 :
369 -1
370 );
371 }
372 pos = 2;
373 if (ta1) {
374 char dr[16], ds[16];
375 dr[0] = ds[0] = '\0';
376 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
377 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
378 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
379 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
380 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
381 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
382 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
383 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
384 PrintAndLog(" - TA1 : different divisors are%s supported, "
385 "DR: [%s], DS: [%s]",
386 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
387 pos++;
388 }
389 if (tb1) {
390 uint32_t sfgi = card.ats[pos] & 0x0F;
391 uint32_t fwi = card.ats[pos] >> 4;
392 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
393 (sfgi),
394 sfgi ? "" : "(not needed) ",
395 sfgi ? (1 << 12) << sfgi : 0,
396 fwi,
397 (1 << 12) << fwi
398 );
399 pos++;
400 }
401 if (tc1) {
402 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
403 (card.ats[pos] & 0x01) ? "" : " NOT",
404 (card.ats[pos] & 0x02) ? "" : " NOT");
405 pos++;
406 }
407 if (card.ats[0] > pos) {
408 char *tip = "";
409 if (card.ats[0] - pos >= 7) {
410 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
411 tip = "-> MIFARE Plus X 2K or 4K";
412 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
413 tip = "-> MIFARE Plus S 2K or 4K";
414 }
415 }
416 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
417 if (card.ats[pos] == 0xC1) {
418 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
419 PrintAndLog(" %02x -> Length is %d bytes",
420 card.ats[pos + 1], card.ats[pos + 1]);
421 switch (card.ats[pos + 2] & 0xf0) {
422 case 0x10:
423 PrintAndLog(" 1x -> MIFARE DESFire");
424 break;
425 case 0x20:
426 PrintAndLog(" 2x -> MIFARE Plus");
427 break;
428 }
429 switch (card.ats[pos + 2] & 0x0f) {
430 case 0x00:
431 PrintAndLog(" x0 -> <1 kByte");
432 break;
433 case 0x01:
434 PrintAndLog(" x1 -> 1 kByte");
435 break;
436 case 0x02:
437 PrintAndLog(" x2 -> 2 kByte");
438 break;
439 case 0x03:
440 PrintAndLog(" x3 -> 4 kByte");
441 break;
442 case 0x04:
443 PrintAndLog(" x4 -> 8 kByte");
444 break;
445 }
446 switch (card.ats[pos + 3] & 0xf0) {
447 case 0x00:
448 PrintAndLog(" 0x -> Engineering sample");
449 break;
450 case 0x20:
451 PrintAndLog(" 2x -> Released");
452 break;
453 }
454 switch (card.ats[pos + 3] & 0x0f) {
455 case 0x00:
456 PrintAndLog(" x0 -> Generation 1");
457 break;
458 case 0x01:
459 PrintAndLog(" x1 -> Generation 2");
460 break;
461 case 0x02:
462 PrintAndLog(" x2 -> Generation 3");
463 break;
464 }
465 switch (card.ats[pos + 4] & 0x0f) {
466 case 0x00:
467 PrintAndLog(" x0 -> Only VCSL supported");
468 break;
469 case 0x01:
470 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
471 break;
472 case 0x0E:
473 PrintAndLog(" xE -> no VCS command supported");
474 break;
475 }
476 }
477 }
478 } else {
479 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
480 }
481
482
483 // try to see if card responses to "chinese magic backdoor" commands.
484 mfCIdentify();
485
486 if (isMifareClassic) {
487 switch(DetectClassicPrng()) {
488 case 0:
489 PrintAndLog("Prng detection: HARDEND (hardnested)");
490 break;
491 case 1:
492 PrintAndLog("Prng detection: WEAK");
493 break;
494 default:
495 PrintAndLog("Prng detection error.");
496 }
497 }
498
499 return select_status;
500}
501
502// Collect ISO14443 Type A UIDs
503int CmdHF14ACUIDs(const char *Cmd)
504{
505 // requested number of UIDs
506 int n = atoi(Cmd);
507 // collect at least 1 (e.g. if no parameter was given)
508 n = n > 0 ? n : 1;
509
510 PrintAndLog("Collecting %d UIDs", n);
511 PrintAndLog("Start: %" PRIu64, msclock()/1000);
512 // repeat n times
513 for (int i = 0; i < n; i++) {
514 // execute anticollision procedure
515 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_RATS, 0, 0}};
516 SendCommand(&c);
517
518 UsbCommand resp;
519 WaitForResponse(CMD_ACK,&resp);
520
521 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
522
523 // check if command failed
524 if (resp.arg[0] == 0) {
525 PrintAndLog("Card select failed.");
526 } else {
527 char uid_string[20];
528 for (uint16_t i = 0; i < card->uidlen; i++) {
529 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
530 }
531 PrintAndLog("%s", uid_string);
532 }
533 }
534 PrintAndLog("End: %" PRIu64, msclock()/1000);
535
536 return 1;
537}
538
539// ## simulate iso14443a tag
540// ## greg - added ability to specify tag UID
541int CmdHF14ASim(const char *Cmd)
542{
543 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
544
545 // Retrieve the tag type
546 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
547
548 // When no argument was given, just print help message
549 if (tagtype == 0) {
550 PrintAndLog("");
551 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
552 PrintAndLog("");
553 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
554 PrintAndLog(" types: 1 = MIFARE Classic");
555 PrintAndLog(" 2 = MIFARE Ultralight");
556 PrintAndLog(" 3 = MIFARE Desfire");
557 PrintAndLog(" 4 = ISO/IEC 14443-4");
558 PrintAndLog(" 5 = MIFARE Tnp3xxx");
559 PrintAndLog("");
560 return 1;
561 }
562
563 // Store the tag type
564 c.arg[0] = tagtype;
565
566 // Retrieve the full 4 or 7 byte long uid
567 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
568
569 // Are we handling the (optional) second part uid?
570 if (long_uid > 0xffffffff) {
571 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014" PRIx64 ")",long_uid);
572 // Store the second part
573 c.arg[2] = (long_uid & 0xffffffff);
574 long_uid >>= 32;
575 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
576 c.arg[1] = (long_uid & 0xffffff);
577 } else {
578 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
579 // Only store the first part
580 c.arg[1] = long_uid & 0xffffffff;
581 }
582/*
583 // At lease save the mandatory first part of the UID
584 c.arg[0] = long_uid & 0xffffffff;
585
586 if (c.arg[1] == 0) {
587 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
588 }
589
590 switch (c.arg[0]) {
591 case 1: {
592 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
593 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)};
594 } break;
595 case 2: {
596 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
597 } break;
598 default: {
599 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
600 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
601 PrintAndLog(" type1: 4 ",c.arg[0]);
602
603 return 1;
604 } break;
605 }
606*/
607/*
608 unsigned int hi = 0, lo = 0;
609 int n = 0, i = 0;
610 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
611 hi= (hi << 4) | (lo >> 28);
612 lo= (lo << 4) | (n & 0xf);
613 }
614*/
615// 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)};
616// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
617 SendCommand(&c);
618 return 0;
619}
620
621int CmdHF14ASnoop(const char *Cmd) {
622 int param = 0;
623
624 uint8_t ctmp = param_getchar(Cmd, 0) ;
625 if (ctmp == 'h' || ctmp == 'H') {
626 PrintAndLog("It get data from the field and saves it into command buffer.");
627 PrintAndLog("Buffer accessible from command hf list 14a.");
628 PrintAndLog("Usage: hf 14a snoop [c][r]");
629 PrintAndLog("c - triggered by first data from card");
630 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
631 PrintAndLog("sample: hf 14a snoop c r");
632 return 0;
633 }
634
635 for (int i = 0; i < 2; i++) {
636 ctmp = param_getchar(Cmd, i);
637 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
638 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
639 }
640
641 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
642 SendCommand(&c);
643 return 0;
644}
645
646void DropField() {
647 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
648 SendCommand(&c);
649}
650
651int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int *dataoutlen) {
652 uint16_t cmdc = 0;
653
654 if (activateField) {
655 cmdc |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
656 }
657 if (leaveSignalON)
658 cmdc |= ISO14A_NO_DISCONNECT;
659
660 // "Command APDU" length should be 5+255+1, but javacard's APDU buffer might be smaller - 133 bytes
661 // https://stackoverflow.com/questions/32994936/safe-max-java-card-apdu-data-command-and-respond-size
662 // here length USB_CMD_DATA_SIZE=512
663 // timeout timeout14a * 1.06 / 100, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106
664 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | ISO14A_SET_TIMEOUT | cmdc, (datainlen & 0xFFFF), 1000 * 1000 * 1.06 / 100}};
665 memcpy(c.d.asBytes, datain, datainlen);
666 SendCommand(&c);
667
668 uint8_t *recv;
669 UsbCommand resp;
670
671 if (activateField) {
672 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
673 PrintAndLog("APDU ERROR: Proxmark connection timeout.");
674 return 1;
675 }
676 if (resp.arg[0] != 1) {
677 PrintAndLog("APDU ERROR: Proxmark error %d.", resp.arg[0]);
678 return 1;
679 }
680 }
681
682 if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
683 recv = resp.d.asBytes;
684 int iLen = resp.arg[0];
685
686 *dataoutlen = iLen - 2;
687 if (*dataoutlen < 0)
688 *dataoutlen = 0;
689 memcpy(dataout, recv, *dataoutlen);
690
691 if(!iLen) {
692 PrintAndLog("APDU ERROR: No APDU response.");
693 return 1;
694 }
695
696 // check block TODO
697 if (iLen == -2) {
698 PrintAndLog("APDU ERROR: Block type mismatch.");
699 return 2;
700 }
701
702 // CRC Check
703 if (iLen == -1) {
704 PrintAndLog("APDU ERROR: ISO 14443A CRC error.");
705 return 3;
706 }
707
708 // check apdu length
709 if (iLen < 4) {
710 PrintAndLog("APDU ERROR: Small APDU response. Len=%d", iLen);
711 return 2;
712 }
713
714 } else {
715 PrintAndLog("APDU ERROR: Reply timeout.");
716 return 4;
717 }
718
719 return 0;
720}
721
722int CmdHF14AAPDU(const char *cmd) {
723 uint8_t data[USB_CMD_DATA_SIZE];
724 int datalen = 0;
725 bool activateField = false;
726 bool leaveSignalON = false;
727 bool decodeTLV = false;
728
729 if (strlen(cmd) < 2) {
730 PrintAndLog("Usage: hf 14a apdu [-s] [-k] [-t] <APDU (hex)>");
731 PrintAndLog(" -s activate field and select card");
732 PrintAndLog(" -k leave the signal field ON after receive response");
733 PrintAndLog(" -t executes TLV decoder if it possible. TODO!!!!");
734 return 0;
735 }
736
737 int cmdp = 0;
738 while(param_getchar(cmd, cmdp) != 0x00) {
739 char c = param_getchar(cmd, cmdp);
740 if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
741 switch (param_getchar_indx(cmd, 1, cmdp)) {
742 case 's':
743 case 'S':
744 activateField = true;
745 break;
746 case 'k':
747 case 'K':
748 leaveSignalON = true;
749 break;
750 case 't':
751 case 'T':
752 decodeTLV = true;
753 break;
754 default:
755 PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
756 return 1;
757 }
758
759 if (isxdigit(c)) {
760 // len = data + PCB(1b) + CRC(2b)
761 switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data) - 1 - 2, &datalen)) {
762 case 1:
763 PrintAndLog("Invalid HEX value.");
764 return 1;
765 case 2:
766 PrintAndLog("APDU too large.");
767 return 1;
768 case 3:
769 PrintAndLog("Hex must have even number of digits.");
770 return 1;
771 }
772
773 // we get all the hex to end of line with spaces
774 break;
775 }
776
777 cmdp++;
778 }
779
780 PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
781
782 int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, &datalen);
783
784 if (res)
785 return res;
786
787 PrintAndLog("<<<< %s", sprint_hex(data, datalen));
788
789 PrintAndLog("APDU response: %02x %02x - %s", data[datalen - 2], data[datalen - 1], GetAPDUCodeDescription(data[datalen - 2], data[datalen - 1]));
790
791 // TLV decoder
792 if (decodeTLV && datalen > 4) {
793 TLVPrintFromBuffer(data, datalen - 2);
794 }
795
796 return 0;
797}
798
799int CmdHF14ACmdRaw(const char *cmd) {
800 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
801 bool reply=1;
802 bool crc = false;
803 bool power = false;
804 bool active = false;
805 bool active_select = false;
806 bool no_rats = false;
807 uint16_t numbits = 0;
808 bool bTimeout = false;
809 uint32_t timeout = 0;
810 bool topazmode = false;
811 char buf[5]="";
812 int i = 0;
813 uint8_t data[USB_CMD_DATA_SIZE];
814 uint16_t datalen = 0;
815 uint32_t temp;
816
817 if (strlen(cmd)<2) {
818 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
819 PrintAndLog(" -r do not read response");
820 PrintAndLog(" -c calculate and append CRC");
821 PrintAndLog(" -p leave the signal field ON after receive");
822 PrintAndLog(" -a active signal field ON without select");
823 PrintAndLog(" -s active signal field ON with select");
824 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
825 PrintAndLog(" -t timeout in ms");
826 PrintAndLog(" -T use Topaz protocol to send command");
827 PrintAndLog(" -3 ISO14443-3 select only (skip RATS)");
828 return 0;
829 }
830
831
832 // strip
833 while (*cmd==' ' || *cmd=='\t') cmd++;
834
835 while (cmd[i]!='\0') {
836 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
837 if (cmd[i]=='-') {
838 switch (cmd[i+1]) {
839 case 'r':
840 reply = false;
841 break;
842 case 'c':
843 crc = true;
844 break;
845 case 'p':
846 power = true;
847 break;
848 case 'a':
849 active = true;
850 break;
851 case 's':
852 active_select = true;
853 break;
854 case 'b':
855 sscanf(cmd+i+2,"%d",&temp);
856 numbits = temp & 0xFFFF;
857 i+=3;
858 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
859 i-=2;
860 break;
861 case 't':
862 bTimeout = true;
863 sscanf(cmd+i+2,"%d",&temp);
864 timeout = temp;
865 i+=3;
866 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
867 i-=2;
868 break;
869 case 'T':
870 topazmode = true;
871 break;
872 case '3':
873 no_rats = true;
874 break;
875 default:
876 PrintAndLog("Invalid option");
877 return 0;
878 }
879 i+=2;
880 continue;
881 }
882 if ((cmd[i]>='0' && cmd[i]<='9') ||
883 (cmd[i]>='a' && cmd[i]<='f') ||
884 (cmd[i]>='A' && cmd[i]<='F') ) {
885 buf[strlen(buf)+1]=0;
886 buf[strlen(buf)]=cmd[i];
887 i++;
888
889 if (strlen(buf)>=2) {
890 sscanf(buf,"%x",&temp);
891 data[datalen]=(uint8_t)(temp & 0xff);
892 *buf=0;
893 if (datalen > sizeof(data)-1) {
894 if (crc)
895 PrintAndLog("Buffer is full, we can't add CRC to your data");
896 break;
897 } else {
898 datalen++;
899 }
900 }
901 continue;
902 }
903 PrintAndLog("Invalid char on input");
904 return 0;
905 }
906
907 if(crc && datalen>0 && datalen<sizeof(data)-2)
908 {
909 uint8_t first, second;
910 if (topazmode) {
911 ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
912 } else {
913 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
914 }
915 data[datalen++] = first;
916 data[datalen++] = second;
917 }
918
919 if(active || active_select)
920 {
921 c.arg[0] |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
922 if(active)
923 c.arg[0] |= ISO14A_NO_SELECT;
924 }
925
926 if(bTimeout){
927 #define MAX_TIMEOUT 40542464 // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
928 c.arg[0] |= ISO14A_SET_TIMEOUT;
929 if(timeout > MAX_TIMEOUT) {
930 timeout = MAX_TIMEOUT;
931 PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
932 }
933 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
934 }
935
936 if(power) {
937 c.arg[0] |= ISO14A_NO_DISCONNECT;
938 }
939
940 if(datalen > 0) {
941 c.arg[0] |= ISO14A_RAW;
942 }
943
944 if(topazmode) {
945 c.arg[0] |= ISO14A_TOPAZMODE;
946 }
947
948 if(no_rats) {
949 c.arg[0] |= ISO14A_NO_RATS;
950 }
951
952 // Max buffer is USB_CMD_DATA_SIZE (512)
953 c.arg[1] = (datalen & 0xFFFF) | ((uint32_t)numbits << 16);
954 memcpy(c.d.asBytes,data,datalen);
955
956 SendCommand(&c);
957
958 if (reply) {
959 int res = 0;
960 if (active_select)
961 res = waitCmd(1);
962 if (!res && datalen > 0)
963 waitCmd(0);
964 } // if reply
965 return 0;
966}
967
968
969static int waitCmd(uint8_t iSelect) {
970 uint8_t *recv;
971 UsbCommand resp;
972 char *hexout;
973
974 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
975 recv = resp.d.asBytes;
976 uint8_t iLen = resp.arg[0];
977 if (iSelect){
978 iLen = resp.arg[1];
979 if (iLen){
980 PrintAndLog("Card selected. UID[%i]:", iLen);
981 } else {
982 PrintAndLog("Can't select card.");
983 }
984 } else {
985 PrintAndLog("received %i bytes:", iLen);
986 }
987 if(!iLen)
988 return 1;
989 hexout = (char *)malloc(iLen * 3 + 1);
990 if (hexout != NULL) {
991 for (int i = 0; i < iLen; i++) { // data in hex
992 sprintf(&hexout[i * 3], "%02X ", recv[i]);
993 }
994 PrintAndLog("%s", hexout);
995 free(hexout);
996 } else {
997 PrintAndLog("malloc failed your client has low memory?");
998 return 2;
999 }
1000 } else {
1001 PrintAndLog("timeout while waiting for reply.");
1002 return 3;
1003 }
1004 return 0;
1005}
1006
1007static command_t CommandTable[] =
1008{
1009 {"help", CmdHelp, 1, "This help"},
1010 {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
1011 {"reader", CmdHF14AReader, 0, "Start acting like an ISO14443 Type A reader"},
1012 {"info", CmdHF14AInfo, 0, "Reads card and shows information about it"},
1013 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
1014 {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
1015 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
1016 {"apdu", CmdHF14AAPDU, 0, "Send ISO 14443-4 APDU to tag"},
1017 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
1018 {NULL, NULL, 0, NULL}
1019};
1020
1021int CmdHF14A(const char *Cmd) {
1022 // flush
1023 WaitForResponseTimeout(CMD_ACK,NULL,100);
1024
1025 // parse
1026 CmdsParse(CommandTable, Cmd);
1027 return 0;
1028}
1029
1030int CmdHelp(const char *Cmd)
1031{
1032 CmdsHelp(CommandTable);
1033 return 0;
1034}
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