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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
31 // structure and database for uid -> tagtype lookups
32 typedef struct {
33 uint8_t uid;
34 char* desc;
35 } manufactureName;
36
37 const manufactureName manufactureMapping[] = {
38 // ID, "Vendor Country"
39 { 0x01, "Motorola UK" },
40 { 0x02, "ST Microelectronics SA France" },
41 { 0x03, "Hitachi, Ltd Japan" },
42 { 0x04, "NXP Semiconductors Germany" },
43 { 0x05, "Infineon Technologies AG Germany" },
44 { 0x06, "Cylink USA" },
45 { 0x07, "Texas Instrument France" },
46 { 0x08, "Fujitsu Limited Japan" },
47 { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
48 { 0x0A, "NEC Japan" },
49 { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
50 { 0x0C, "Toshiba Corp. Japan" },
51 { 0x0D, "Mitsubishi Electric Corp. Japan" },
52 { 0x0E, "Samsung Electronics Co. Ltd Korea" },
53 { 0x0F, "Hynix / Hyundai, Korea" },
54 { 0x10, "LG-Semiconductors Co. Ltd Korea" },
55 { 0x11, "Emosyn-EM Microelectronics USA" },
56 { 0x12, "INSIDE Technology France" },
57 { 0x13, "ORGA Kartensysteme GmbH Germany" },
58 { 0x14, "SHARP Corporation Japan" },
59 { 0x15, "ATMEL France" },
60 { 0x16, "EM Microelectronic-Marin SA Switzerland" },
61 { 0x17, "KSW Microtec GmbH Germany" },
62 { 0x18, "ZMD AG Germany" },
63 { 0x19, "XICOR, Inc. USA" },
64 { 0x1A, "Sony Corporation Japan Identifier Company Country" },
65 { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
66 { 0x1C, "Emosyn USA" },
67 { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
68 { 0x1E, "Magellan Technology Pty Limited Australia" },
69 { 0x1F, "Melexis NV BO Switzerland" },
70 { 0x20, "Renesas Technology Corp. Japan" },
71 { 0x21, "TAGSYS France" },
72 { 0x22, "Transcore USA" },
73 { 0x23, "Shanghai belling corp., ltd. China" },
74 { 0x24, "Masktech Germany Gmbh Germany" },
75 { 0x25, "Innovision Research and Technology Plc UK" },
76 { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
77 { 0x27, "Cypak AB Sweden" },
78 { 0x28, "Ricoh Japan" },
79 { 0x29, "ASK France" },
80 { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
81 { 0x2B, "Dallas Semiconductor/Maxim USA" },
82 { 0x2C, "Impinj, Inc. USA" },
83 { 0x2D, "RightPlug Alliance USA" },
84 { 0x2E, "Broadcom Corporation USA" },
85 { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
86 { 0x30, "BeeDar Technology Inc. USA" },
87 { 0x31, "RFIDsec Denmark" },
88 { 0x32, "Schweizer Electronic AG Germany" },
89 { 0x33, "AMIC Technology Corp Taiwan" },
90 { 0x34, "Mikron JSC Russia" },
91 { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
92 { 0x36, "IDS Microchip AG Switzerland" },
93 { 0x37, "Kovio USA" },
94 { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
95 { 0x39, "Silicon Craft Technology Thailand" },
96 { 0x3A, "Advanced Film Device Inc. Japan" },
97 { 0x3B, "Nitecrest Ltd UK" },
98 { 0x3C, "Verayo Inc. USA" },
99 { 0x3D, "HID Global USA" },
100 { 0x3E, "Productivity Engineering Gmbh Germany" },
101 { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
102 { 0x40, "Gemalto SA France" },
103 { 0x41, "Renesas Electronics Corporation Japan" },
104 { 0x42, "3Alogics Inc Korea" },
105 { 0x43, "Top TroniQ Asia Limited Hong Kong" },
106 { 0x44, "Gentag Inc (USA) USA" },
107 { 0x00, "no tag-info available" } // must be the last entry
108 };
109
110
111 // get a product description based on the UID
112 // uid[8] tag uid
113 // returns description of the best match
114 char* getTagInfo(uint8_t uid) {
115
116 int i, best = -1;
117 int len = sizeof(manufactureMapping) / sizeof(manufactureName);
118
119 for ( i = 0; i < len; ++i ) {
120 if ( uid == manufactureMapping[i].uid) {
121 if (best == -1) {
122 best = i;
123 }
124 }
125 }
126
127 if (best>=0) return manufactureMapping[best].desc;
128
129 return manufactureMapping[i].desc;
130 }
131
132 int CmdHF14AList(const char *Cmd)
133 {
134 PrintAndLog("Deprecated command, use 'hf list 14a' instead");
135 return 0;
136 }
137
138 void iso14a_set_timeout(uint32_t timeout) {
139 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
140 SendCommand(&c);
141 }
142
143 int CmdHF14AReader(const char *Cmd)
144 {
145 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
146 SendCommand(&c);
147
148 UsbCommand resp;
149 WaitForResponse(CMD_ACK,&resp);
150
151 iso14a_card_select_t card;
152 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
153
154 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
155
156 if(select_status == 0) {
157 PrintAndLog("iso14443a card select failed");
158 // disconnect
159 c.arg[0] = 0;
160 c.arg[1] = 0;
161 c.arg[2] = 0;
162 SendCommand(&c);
163 return 0;
164 }
165
166 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
167 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
168 PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
169
170 // Double & triple sized UID, can be mapped to a manufacturer.
171 // HACK: does this apply for Ultralight cards?
172 if ( card.uidlen > 4 ) {
173 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
174 }
175
176 switch (card.sak) {
177 case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
178 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
179 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
180 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
181 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
182 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
183 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
184 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
185 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
186 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
187 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
188 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
189 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
190 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
191 default: ;
192 }
193
194 // try to request ATS even if tag claims not to support it
195 if (select_status == 2) {
196 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
197 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
198 c.arg[1] = 2;
199 c.arg[2] = 0;
200 memcpy(c.d.asBytes, rats, 2);
201 SendCommand(&c);
202 WaitForResponse(CMD_ACK,&resp);
203
204 memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
205 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
206 }
207
208 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
209 bool ta1 = 0, tb1 = 0, tc1 = 0;
210 int pos;
211
212 if (select_status == 2) {
213 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
214 }
215 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
216 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
217 if (card.ats[0] != card.ats_len - 2) {
218 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
219 }
220
221 if (card.ats[0] > 1) { // there is a format byte (T0)
222 ta1 = (card.ats[1] & 0x10) == 0x10;
223 tb1 = (card.ats[1] & 0x20) == 0x20;
224 tc1 = (card.ats[1] & 0x40) == 0x40;
225 int16_t fsci = card.ats[1] & 0x0f;
226 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
227 "TC1 is%s present, FSCI is %d (FSC = %ld)",
228 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
229 fsci,
230 fsci < 5 ? (fsci - 2) * 8 :
231 fsci < 8 ? (fsci - 3) * 32 :
232 fsci == 8 ? 256 :
233 -1
234 );
235 }
236 pos = 2;
237 if (ta1) {
238 char dr[16], ds[16];
239 dr[0] = ds[0] = '\0';
240 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
241 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
242 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
243 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
244 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
245 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
246 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
247 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
248 PrintAndLog(" - TA1 : different divisors are%s supported, "
249 "DR: [%s], DS: [%s]",
250 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
251 pos++;
252 }
253 if (tb1) {
254 uint32_t sfgi = card.ats[pos] & 0x0F;
255 uint32_t fwi = card.ats[pos] >> 4;
256 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
257 (sfgi),
258 sfgi ? "" : "(not needed) ",
259 sfgi ? (1 << 12) << sfgi : 0,
260 fwi,
261 (1 << 12) << fwi
262 );
263 pos++;
264 }
265 if (tc1) {
266 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
267 (card.ats[pos] & 0x01) ? "" : " NOT",
268 (card.ats[pos] & 0x02) ? "" : " NOT");
269 pos++;
270 }
271 if (card.ats[0] > pos) {
272 char *tip = "";
273 if (card.ats[0] - pos >= 7) {
274 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
275 tip = "-> MIFARE Plus X 2K or 4K";
276 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
277 tip = "-> MIFARE Plus S 2K or 4K";
278 }
279 }
280 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
281 if (card.ats[pos] == 0xC1) {
282 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
283 PrintAndLog(" %02x -> Length is %d bytes",
284 card.ats[pos + 1], card.ats[pos + 1]);
285 switch (card.ats[pos + 2] & 0xf0) {
286 case 0x10:
287 PrintAndLog(" 1x -> MIFARE DESFire");
288 break;
289 case 0x20:
290 PrintAndLog(" 2x -> MIFARE Plus");
291 break;
292 }
293 switch (card.ats[pos + 2] & 0x0f) {
294 case 0x00:
295 PrintAndLog(" x0 -> <1 kByte");
296 break;
297 case 0x01:
298 PrintAndLog(" x0 -> 1 kByte");
299 break;
300 case 0x02:
301 PrintAndLog(" x0 -> 2 kByte");
302 break;
303 case 0x03:
304 PrintAndLog(" x0 -> 4 kByte");
305 break;
306 case 0x04:
307 PrintAndLog(" x0 -> 8 kByte");
308 break;
309 }
310 switch (card.ats[pos + 3] & 0xf0) {
311 case 0x00:
312 PrintAndLog(" 0x -> Engineering sample");
313 break;
314 case 0x20:
315 PrintAndLog(" 2x -> Released");
316 break;
317 }
318 switch (card.ats[pos + 3] & 0x0f) {
319 case 0x00:
320 PrintAndLog(" x0 -> Generation 1");
321 break;
322 case 0x01:
323 PrintAndLog(" x1 -> Generation 2");
324 break;
325 case 0x02:
326 PrintAndLog(" x2 -> Generation 3");
327 break;
328 }
329 switch (card.ats[pos + 4] & 0x0f) {
330 case 0x00:
331 PrintAndLog(" x0 -> Only VCSL supported");
332 break;
333 case 0x01:
334 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
335 break;
336 case 0x0E:
337 PrintAndLog(" xE -> no VCS command supported");
338 break;
339 }
340 }
341 }
342 } else {
343 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
344 }
345
346
347 // try to see if card responses to "chinese magic backdoor" commands.
348 c.cmd = CMD_MIFARE_CIDENT;
349 c.arg[0] = 0;
350 c.arg[1] = 0;
351 c.arg[2] = 0;
352 SendCommand(&c);
353 WaitForResponse(CMD_ACK,&resp);
354 uint8_t isOK = resp.arg[0] & 0xff;
355 PrintAndLog(" Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
356
357 // disconnect
358 c.cmd = CMD_READER_ISO_14443a;
359 c.arg[0] = 0;
360 c.arg[1] = 0;
361 c.arg[2] = 0;
362 SendCommand(&c);
363
364 return select_status;
365 }
366
367 // Collect ISO14443 Type A UIDs
368 int CmdHF14ACUIDs(const char *Cmd)
369 {
370 // requested number of UIDs
371 int n = atoi(Cmd);
372 // collect at least 1 (e.g. if no parameter was given)
373 n = n > 0 ? n : 1;
374
375 PrintAndLog("Collecting %d UIDs", n);
376 PrintAndLog("Start: %u", time(NULL));
377 // repeat n times
378 for (int i = 0; i < n; i++) {
379 // execute anticollision procedure
380 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
381 SendCommand(&c);
382
383 UsbCommand resp;
384 WaitForResponse(CMD_ACK,&resp);
385
386 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
387
388 // check if command failed
389 if (resp.arg[0] == 0) {
390 PrintAndLog("Card select failed.");
391 } else {
392 char uid_string[20];
393 for (uint16_t i = 0; i < card->uidlen; i++) {
394 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
395 }
396 PrintAndLog("%s", uid_string);
397 }
398 }
399 PrintAndLog("End: %u", time(NULL));
400
401 return 1;
402 }
403
404 // ## simulate iso14443a tag
405 // ## greg - added ability to specify tag UID
406 int CmdHF14ASim(const char *Cmd)
407 {
408 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
409
410 // Retrieve the tag type
411 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
412
413 // When no argument was given, just print help message
414 if (tagtype == 0) {
415 PrintAndLog("");
416 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
417 PrintAndLog("");
418 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
419 PrintAndLog(" types: 1 = MIFARE Classic");
420 PrintAndLog(" 2 = MIFARE Ultralight");
421 PrintAndLog(" 3 = MIFARE DESFIRE");
422 PrintAndLog(" 4 = ISO/IEC 14443-4");
423 PrintAndLog(" 5 = MIFARE TNP3XXX");
424 PrintAndLog("");
425 return 1;
426 }
427
428 // Store the tag type
429 c.arg[0] = tagtype;
430
431 // Retrieve the full 4 or 7 byte long uid
432 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
433
434 // Are we handling the (optional) second part uid?
435 if (long_uid > 0xffffffff) {
436 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
437 // Store the second part
438 c.arg[2] = (long_uid & 0xffffffff);
439 long_uid >>= 32;
440 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
441 c.arg[1] = (long_uid & 0xffffff);
442 } else {
443 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
444 // Only store the first part
445 c.arg[1] = long_uid & 0xffffffff;
446 }
447 /*
448 // At lease save the mandatory first part of the UID
449 c.arg[0] = long_uid & 0xffffffff;
450
451 if (c.arg[1] == 0) {
452 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
453 }
454
455 switch (c.arg[0]) {
456 case 1: {
457 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
458 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)};
459 } break;
460 case 2: {
461 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
462 } break;
463 default: {
464 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
465 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
466 PrintAndLog(" type1: 4 ",c.arg[0]);
467
468 return 1;
469 } break;
470 }
471 */
472 /*
473 unsigned int hi = 0, lo = 0;
474 int n = 0, i = 0;
475 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
476 hi= (hi << 4) | (lo >> 28);
477 lo= (lo << 4) | (n & 0xf);
478 }
479 */
480 // 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)};
481 // PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
482 SendCommand(&c);
483 return 0;
484 }
485
486 int CmdHF14ASnoop(const char *Cmd) {
487 int param = 0;
488
489 if (param_getchar(Cmd, 0) == 'h') {
490 PrintAndLog("It get data from the field and saves it into command buffer.");
491 PrintAndLog("Buffer accessible from command hf list 14a.");
492 PrintAndLog("Usage: hf 14a snoop [c][r]");
493 PrintAndLog("c - triggered by first data from card");
494 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
495 PrintAndLog("sample: hf 14a snoop c r");
496 return 0;
497 }
498
499 for (int i = 0; i < 2; i++) {
500 char ctmp = param_getchar(Cmd, i);
501 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
502 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
503 }
504
505 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
506 SendCommand(&c);
507 return 0;
508 }
509
510 int CmdHF14ACmdRaw(const char *cmd) {
511 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
512 uint8_t reply=1;
513 uint8_t crc=0;
514 uint8_t power=0;
515 uint8_t active=0;
516 uint8_t active_select=0;
517 uint16_t numbits=0;
518 char buf[5]="";
519 int i=0;
520 uint8_t data[100];
521 unsigned int datalen=0, temp;
522
523 if (strlen(cmd)<2) {
524 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
525 PrintAndLog(" -r do not read response");
526 PrintAndLog(" -c calculate and append CRC");
527 PrintAndLog(" -p leave the signal field ON after receive");
528 PrintAndLog(" -a active signal field ON without select");
529 PrintAndLog(" -s active signal field ON with select");
530 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
531 return 0;
532 }
533
534 // strip
535 while (*cmd==' ' || *cmd=='\t') cmd++;
536
537 while (cmd[i]!='\0') {
538 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
539 if (cmd[i]=='-') {
540 switch (cmd[i+1]) {
541 case 'r':
542 reply=0;
543 break;
544 case 'c':
545 crc=1;
546 break;
547 case 'p':
548 power=1;
549 break;
550 case 'a':
551 active=1;
552 break;
553 case 's':
554 active_select=1;
555 break;
556 case 'b':
557 sscanf(cmd+i+2,"%d",&temp);
558 numbits = temp & 0xFFFF;
559 i+=3;
560 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
561 i-=2;
562 break;
563 default:
564 PrintAndLog("Invalid option");
565 return 0;
566 }
567 i+=2;
568 continue;
569 }
570 if ((cmd[i]>='0' && cmd[i]<='9') ||
571 (cmd[i]>='a' && cmd[i]<='f') ||
572 (cmd[i]>='A' && cmd[i]<='F') ) {
573 buf[strlen(buf)+1]=0;
574 buf[strlen(buf)]=cmd[i];
575 i++;
576
577 if (strlen(buf)>=2) {
578 sscanf(buf,"%x",&temp);
579 data[datalen]=(uint8_t)(temp & 0xff);
580 datalen++;
581 *buf=0;
582 }
583 continue;
584 }
585 PrintAndLog("Invalid char on input");
586 return 0;
587 }
588 if(crc && datalen>0)
589 {
590 uint8_t first, second;
591 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
592 data[datalen++] = first;
593 data[datalen++] = second;
594 }
595
596 if(active || active_select)
597 {
598 c.arg[0] |= ISO14A_CONNECT;
599 if(active)
600 c.arg[0] |= ISO14A_NO_SELECT;
601 }
602 if(power)
603 c.arg[0] |= ISO14A_NO_DISCONNECT;
604 if(datalen>0)
605 c.arg[0] |= ISO14A_RAW;
606
607 c.arg[1] = datalen;
608 c.arg[2] = numbits;
609 memcpy(c.d.asBytes,data,datalen);
610
611 SendCommand(&c);
612
613 if (reply) {
614 if(active_select)
615 waitCmd(1);
616 if(datalen>0)
617 waitCmd(0);
618 } // if reply
619 return 0;
620 }
621
622 static void waitCmd(uint8_t iSelect)
623 {
624 uint8_t *recv;
625 UsbCommand resp;
626 char *hexout;
627
628 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
629 recv = resp.d.asBytes;
630 uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
631 PrintAndLog("received %i octets",iLen);
632 if(!iLen)
633 return;
634 hexout = (char *)malloc(iLen * 3 + 1);
635 if (hexout != NULL) {
636 for (int i = 0; i < iLen; i++) { // data in hex
637 sprintf(&hexout[i * 3], "%02X ", recv[i]);
638 }
639 PrintAndLog("%s", hexout);
640 free(hexout);
641 } else {
642 PrintAndLog("malloc failed your client has low memory?");
643 }
644 } else {
645 PrintAndLog("timeout while waiting for reply.");
646 }
647 }
648
649 static command_t CommandTable[] =
650 {
651 {"help", CmdHelp, 1, "This help"},
652 {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
653 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
654 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
655 {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
656 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
657 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
658 {NULL, NULL, 0, NULL}
659 };
660
661 int CmdHF14A(const char *Cmd) {
662 // flush
663 WaitForResponseTimeout(CMD_ACK,NULL,100);
664
665 // parse
666 CmdsParse(CommandTable, Cmd);
667 return 0;
668 }
669
670 int CmdHelp(const char *Cmd)
671 {
672 CmdsHelp(CommandTable);
673 return 0;
674 }
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