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fix: introduced a stupid error when refactoring the start bit detector in MillerDecod...
[proxmark3-svn] / client / cmdhf14a.c
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a553f267 1//-----------------------------------------------------------------------------
f89c7050 2// 2011, Merlok
534983d7 3// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
a553f267 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
7fe9b0b7 12#include <stdio.h>
590f8ff9 13#include <stdlib.h>
7fe9b0b7 14#include <string.h>
f397b5cc 15#include <unistd.h>
20f9a2a1 16#include "util.h"
7fe9b0b7 17#include "iso14443crc.h"
18#include "data.h"
902cb3c0 19#include "proxmark3.h"
7fe9b0b7 20#include "ui.h"
21#include "cmdparser.h"
22#include "cmdhf14a.h"
534983d7 23#include "common.h"
20f9a2a1 24#include "cmdmain.h"
902cb3c0 25#include "mifare.h"
7fe9b0b7 26
27static int CmdHelp(const char *Cmd);
5f6d6c90 28static void waitCmd(uint8_t iLen);
7fe9b0b7 29
52ab55ab 30// structure and database for uid -> tagtype lookups
31typedef struct {
32 uint8_t uid;
33 char* desc;
34} manufactureName;
35
36const manufactureName manufactureMapping[] = {
37 // ID, "Vendor Country"
38 { 0x01, "Motorola UK" },
39 { 0x02, "ST Microelectronics SA France" },
40 { 0x03, "Hitachi, Ltd Japan" },
41 { 0x04, "NXP Semiconductors Germany" },
42 { 0x05, "Infineon Technologies AG Germany" },
43 { 0x06, "Cylink USA" },
44 { 0x07, "Texas Instrument France" },
45 { 0x08, "Fujitsu Limited Japan" },
46 { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
47 { 0x0A, "NEC Japan" },
48 { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
49 { 0x0C, "Toshiba Corp. Japan" },
50 { 0x0D, "Mitsubishi Electric Corp. Japan" },
51 { 0x0E, "Samsung Electronics Co. Ltd Korea" },
52 { 0x0F, "Hynix / Hyundai, Korea" },
53 { 0x10, "LG-Semiconductors Co. Ltd Korea" },
54 { 0x11, "Emosyn-EM Microelectronics USA" },
55 { 0x12, "INSIDE Technology France" },
56 { 0x13, "ORGA Kartensysteme GmbH Germany" },
57 { 0x14, "SHARP Corporation Japan" },
58 { 0x15, "ATMEL France" },
59 { 0x16, "EM Microelectronic-Marin SA Switzerland" },
60 { 0x17, "KSW Microtec GmbH Germany" },
61 { 0x18, "ZMD AG Germany" },
62 { 0x19, "XICOR, Inc. USA" },
63 { 0x1A, "Sony Corporation Japan Identifier Company Country" },
64 { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
65 { 0x1C, "Emosyn USA" },
66 { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
67 { 0x1E, "Magellan Technology Pty Limited Australia" },
68 { 0x1F, "Melexis NV BO Switzerland" },
69 { 0x20, "Renesas Technology Corp. Japan" },
70 { 0x21, "TAGSYS France" },
71 { 0x22, "Transcore USA" },
72 { 0x23, "Shanghai belling corp., ltd. China" },
73 { 0x24, "Masktech Germany Gmbh Germany" },
74 { 0x25, "Innovision Research and Technology Plc UK" },
75 { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
76 { 0x27, "Cypak AB Sweden" },
77 { 0x28, "Ricoh Japan" },
78 { 0x29, "ASK France" },
79 { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
80 { 0x2B, "Dallas Semiconductor/Maxim USA" },
81 { 0x2C, "Impinj, Inc. USA" },
82 { 0x2D, "RightPlug Alliance USA" },
83 { 0x2E, "Broadcom Corporation USA" },
84 { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
85 { 0x30, "BeeDar Technology Inc. USA" },
86 { 0x31, "RFIDsec Denmark" },
87 { 0x32, "Schweizer Electronic AG Germany" },
88 { 0x33, "AMIC Technology Corp Taiwan" },
89 { 0x34, "Mikron JSC Russia" },
90 { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
91 { 0x36, "IDS Microchip AG Switzerland" },
92 { 0x37, "Kovio USA" },
93 { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
94 { 0x39, "Silicon Craft Technology Thailand" },
95 { 0x3A, "Advanced Film Device Inc. Japan" },
96 { 0x3B, "Nitecrest Ltd UK" },
97 { 0x3C, "Verayo Inc. USA" },
98 { 0x3D, "HID Global USA" },
99 { 0x3E, "Productivity Engineering Gmbh Germany" },
100 { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
101 { 0x40, "Gemalto SA France" },
102 { 0x41, "Renesas Electronics Corporation Japan" },
103 { 0x42, "3Alogics Inc Korea" },
104 { 0x43, "Top TroniQ Asia Limited Hong Kong" },
105 { 0x44, "Gentag Inc (USA) USA" },
106 { 0x00, "no tag-info available" } // must be the last entry
107};
108
109
110// get a product description based on the UID
111// uid[8] tag uid
112// returns description of the best match
b915fda3 113char* getTagInfo(uint8_t uid) {
52ab55ab 114
68033ed7 115 int i;
52ab55ab 116 int len = sizeof(manufactureMapping) / sizeof(manufactureName);
117
68033ed7
MHS		 118 for ( i = 0; i < len; ++i )
119 if ( uid == manufactureMapping[i].uid)
120 return manufactureMapping[i].desc;
52ab55ab 121
68033ed7
MHS		 122 //No match, return default
123 return manufactureMapping[len-1].desc;
52ab55ab 124}
125
7fe9b0b7 126int CmdHF14AList(const char *Cmd)
127{
4c3de57a 128 PrintAndLog("Deprecated command, use 'hf list 14a' instead");
f89c7050 129 return 0;
7fe9b0b7 130}
131
7fe9b0b7 132int CmdHF14AReader(const char *Cmd)
133{
19d6d91f 134 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
534983d7 135 SendCommand(&c);
902cb3c0 136
137 UsbCommand resp;
7bc95e2e 138 WaitForResponse(CMD_ACK,&resp);
902cb3c0 139
19d6d91f 140 iso14a_card_select_t card;
141 memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
534983d7 142
ee1eadee 143 uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
19d6d91f 144
145 if(select_status == 0) {
534983d7 146 PrintAndLog("iso14443a card select failed");
52bfb955 147 // disconnect
148 c.arg[0] = 0;
149 c.arg[1] = 0;
150 c.arg[2] = 0;
151 SendCommand(&c);
534983d7 152 return 0;
153 }
154
ee1eadee 155 if(select_status == 3) {
156 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
157 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
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
19d6d91f 167 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
168 PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
169 PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
713e7ffb 170
52ab55ab 171 // Double & triple sized UID, can be mapped to a manufacturer.
b915fda3 172 // HACK: does this apply for Ultralight cards?
52ab55ab 173 if ( card.uidlen > 4 ) {
174 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
175 }
176
19d6d91f 177 switch (card.sak) {
79a73ab2 178 case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
3fe4ff4f 179 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
79a73ab2 180 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
e691fc45 181 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
79a73ab2 182 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
e691fc45 183 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
184 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
185 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
186 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
79a73ab2 187 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
188 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
189 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
190 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
191 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
9ca155ba
M		 192 default: ;
193 }
19d6d91f 194
19d6d91f 195 // try to request ATS even if tag claims not to support it
196 if (select_status == 2) {
197 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
198 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
199 c.arg[1] = 2;
200 c.arg[2] = 0;
201 memcpy(c.d.asBytes, rats, 2);
202 SendCommand(&c);
203 WaitForResponse(CMD_ACK,&resp);
204
205 memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
9a573554 206 card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
19d6d91f 207 }
208
9a573554 209 if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
561f7c11 210 bool ta1 = 0, tb1 = 0, tc1 = 0;
211 int pos;
212
9a573554 213 if (select_status == 2) {
19d6d91f 214 PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
215 }
216 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
9a573554 217 PrintAndLog(" - TL : length is %d bytes", card.ats[0]);
218 if (card.ats[0] != card.ats_len - 2) {
219 PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
561f7c11 220 }
9a573554 221
222 if (card.ats[0] > 1) { // there is a format byte (T0)
19d6d91f 223 ta1 = (card.ats[1] & 0x10) == 0x10;
224 tb1 = (card.ats[1] & 0x20) == 0x20;
225 tc1 = (card.ats[1] & 0x40) == 0x40;
9a573554 226 int16_t fsci = card.ats[1] & 0x0f;
561f7c11 227 PrintAndLog(" - T0 : TA1 is%s present, TB1 is%s present, "
9a573554 228 "TC1 is%s present, FSCI is %d (FSC = %ld)",
561f7c11 229 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
9a573554 230 fsci,
231 fsci < 5 ? (fsci - 2) * 8 :
232 fsci < 8 ? (fsci - 3) * 32 :
233 fsci == 8 ? 256 :
234 -1
235 );
561f7c11 236 }
237 pos = 2;
9a573554 238 if (ta1) {
561f7c11 239 char dr[16], ds[16];
240 dr[0] = ds[0] = '\0';
19d6d91f 241 if (card.ats[pos] & 0x10) strcat(ds, "2, ");
242 if (card.ats[pos] & 0x20) strcat(ds, "4, ");
243 if (card.ats[pos] & 0x40) strcat(ds, "8, ");
244 if (card.ats[pos] & 0x01) strcat(dr, "2, ");
245 if (card.ats[pos] & 0x02) strcat(dr, "4, ");
246 if (card.ats[pos] & 0x04) strcat(dr, "8, ");
561f7c11 247 if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
248 if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
249 PrintAndLog(" - TA1 : different divisors are%s supported, "
250 "DR: [%s], DS: [%s]",
19d6d91f 251 (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
561f7c11 252 pos++;
253 }
9a573554 254 if (tb1) {
255 uint32_t sfgi = card.ats[pos] & 0x0F;
256 uint32_t fwi = card.ats[pos] >> 4;
257 PrintAndLog(" - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
258 (sfgi),
259 sfgi ? "" : "(not needed) ",
260 sfgi ? (1 << 12) << sfgi : 0,
261 fwi,
262 (1 << 12) << fwi
263 );
561f7c11 264 pos++;
265 }
9a573554 266 if (tc1) {
561f7c11 267 PrintAndLog(" - TC1 : NAD is%s supported, CID is%s supported",
19d6d91f 268 (card.ats[pos] & 0x01) ? "" : " NOT",
269 (card.ats[pos] & 0x02) ? "" : " NOT");
561f7c11 270 pos++;
271 }
9a573554 272 if (card.ats[0] > pos) {
561f7c11 273 char *tip = "";
9a573554 274 if (card.ats[0] - pos >= 7) {
19d6d91f 275 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
561f7c11 276 tip = "-> MIFARE Plus X 2K or 4K";
19d6d91f 277 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
561f7c11 278 tip = "-> MIFARE Plus S 2K or 4K";
279 }
280 }
9a573554 281 PrintAndLog(" - HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
19d6d91f 282 if (card.ats[pos] == 0xC1) {
561f7c11 283 PrintAndLog(" c1 -> Mifare or (multiple) virtual cards of various type");
284 PrintAndLog(" %02x -> Length is %d bytes",
19d6d91f 285 card.ats[pos + 1], card.ats[pos + 1]);
286 switch (card.ats[pos + 2] & 0xf0) {
561f7c11 287 case 0x10:
288 PrintAndLog(" 1x -> MIFARE DESFire");
289 break;
290 case 0x20:
291 PrintAndLog(" 2x -> MIFARE Plus");
292 break;
293 }
19d6d91f 294 switch (card.ats[pos + 2] & 0x0f) {
561f7c11 295 case 0x00:
296 PrintAndLog(" x0 -> <1 kByte");
297 break;
298 case 0x01:
299 PrintAndLog(" x0 -> 1 kByte");
300 break;
301 case 0x02:
302 PrintAndLog(" x0 -> 2 kByte");
303 break;
304 case 0x03:
305 PrintAndLog(" x0 -> 4 kByte");
306 break;
307 case 0x04:
308 PrintAndLog(" x0 -> 8 kByte");
309 break;
310 }
19d6d91f 311 switch (card.ats[pos + 3] & 0xf0) {
561f7c11 312 case 0x00:
313 PrintAndLog(" 0x -> Engineering sample");
314 break;
315 case 0x20:
316 PrintAndLog(" 2x -> Released");
317 break;
318 }
19d6d91f 319 switch (card.ats[pos + 3] & 0x0f) {
561f7c11 320 case 0x00:
321 PrintAndLog(" x0 -> Generation 1");
322 break;
323 case 0x01:
324 PrintAndLog(" x1 -> Generation 2");
325 break;
326 case 0x02:
327 PrintAndLog(" x2 -> Generation 3");
328 break;
329 }
19d6d91f 330 switch (card.ats[pos + 4] & 0x0f) {
561f7c11 331 case 0x00:
332 PrintAndLog(" x0 -> Only VCSL supported");
333 break;
334 case 0x01:
335 PrintAndLog(" x1 -> VCS, VCSL, and SVC supported");
336 break;
337 case 0x0E:
338 PrintAndLog(" xE -> no VCS command supported");
339 break;
340 }
341 }
342 }
79a73ab2 343 } else {
19d6d91f 344 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
345 }
534983d7 346
52ab55ab 347
348 // try to see if card responses to "chinese magic backdoor" commands.
349 c.cmd = CMD_MIFARE_CIDENT;
350 c.arg[0] = 0;
351 c.arg[1] = 0;
352 c.arg[2] = 0;
353 SendCommand(&c);
354 WaitForResponse(CMD_ACK,&resp);
355 uint8_t isOK = resp.arg[0] & 0xff;
19a700a8 356 PrintAndLog("Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
52ab55ab 357
358 // disconnect
359 c.cmd = CMD_READER_ISO_14443a;
360 c.arg[0] = 0;
361 c.arg[1] = 0;
362 c.arg[2] = 0;
363 SendCommand(&c);
364
19d6d91f 365 return select_status;
7fe9b0b7 366}
367
db22dfe6 368// Collect ISO14443 Type A UIDs
369int CmdHF14ACUIDs(const char *Cmd)
370{
371 // requested number of UIDs
372 int n = atoi(Cmd);
373 // collect at least 1 (e.g. if no parameter was given)
374 n = n > 0 ? n : 1;
375
376 PrintAndLog("Collecting %d UIDs", n);
377 PrintAndLog("Start: %u", time(NULL));
378 // repeat n times
379 for (int i = 0; i < n; i++) {
380 // execute anticollision procedure
381 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
382 SendCommand(&c);
902cb3c0 383
72b1090a 384 UsbCommand resp;
385 WaitForResponse(CMD_ACK,&resp);
902cb3c0 386
72b1090a 387 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
db22dfe6 388
389 // check if command failed
902cb3c0 390 if (resp.arg[0] == 0) {
db22dfe6 391 PrintAndLog("Card select failed.");
392 } else {
72b1090a 393 char uid_string[20];
394 for (uint16_t i = 0; i < card->uidlen; i++) {
395 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
db22dfe6 396 }
72b1090a 397 PrintAndLog("%s", uid_string);
db22dfe6 398 }
399 }
400 PrintAndLog("End: %u", time(NULL));
401
402 return 1;
403}
404
7fe9b0b7 405// ## simulate iso14443a tag
406// ## greg - added ability to specify tag UID
407int CmdHF14ASim(const char *Cmd)
81cd0474 408{
409 UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
410
411 // Retrieve the tag type
412 uint8_t tagtype = param_get8ex(Cmd,0,0,10);
413
414 // When no argument was given, just print help message
415 if (tagtype == 0) {
416 PrintAndLog("");
417 PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
418 PrintAndLog("");
419 PrintAndLog(" syntax: hf 14a sim <type> <uid>");
420 PrintAndLog(" types: 1 = MIFARE Classic");
421 PrintAndLog(" 2 = MIFARE Ultralight");
5ee70129 422 PrintAndLog(" 3 = MIFARE Desfire");
81cd0474 423 PrintAndLog(" 4 = ISO/IEC 14443-4");
5ee70129 424 PrintAndLog(" 5 = MIFARE Tnp3xxx");
81cd0474 425 PrintAndLog("");
426 return 1;
427 }
428
429 // Store the tag type
430 c.arg[0] = tagtype;
431
432 // Retrieve the full 4 or 7 byte long uid
433 uint64_t long_uid = param_get64ex(Cmd,1,0,16);
434
435 // Are we handling the (optional) second part uid?
436 if (long_uid > 0xffffffff) {
125a98a1 437 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
81cd0474 438 // Store the second part
439 c.arg[2] = (long_uid & 0xffffffff);
440 long_uid >>= 32;
441 // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
442 c.arg[1] = (long_uid & 0xffffff);
443 } else {
444 PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
445 // Only store the first part
446 c.arg[1] = long_uid & 0xffffffff;
447 }
448/*
449 // At lease save the mandatory first part of the UID
450 c.arg[0] = long_uid & 0xffffffff;
451
81cd0474 452 if (c.arg[1] == 0) {
453 PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
454 }
455
456 switch (c.arg[0]) {
457 case 1: {
458 PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
459 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)};
460 } break;
461 case 2: {
462 PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
463 } break;
464 default: {
465 PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
466 PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
467 PrintAndLog(" type1: 4 ",c.arg[0]);
468
469 return 1;
470 } break;
471 }
472*/
473/*
7fe9b0b7 474 unsigned int hi = 0, lo = 0;
475 int n = 0, i = 0;
476 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
477 hi= (hi << 4) | (lo >> 28);
478 lo= (lo << 4) | (n & 0xf);
479 }
81cd0474 480*/
481// 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)};
482// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
7fe9b0b7 483 SendCommand(&c);
484 return 0;
485}
486
5cd9ec01
M		 487int CmdHF14ASnoop(const char *Cmd) {
488 int param = 0;
489
df3e429d 490 uint8_t ctmp = param_getchar(Cmd, 0) ;
491 if (ctmp == 'h' || ctmp == 'H') {
5cd9ec01 492 PrintAndLog("It get data from the field and saves it into command buffer.");
4c3de57a 493 PrintAndLog("Buffer accessible from command hf list 14a.");
5cd9ec01
M		 494 PrintAndLog("Usage: hf 14a snoop [c][r]");
495 PrintAndLog("c - triggered by first data from card");
496 PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
497 PrintAndLog("sample: hf 14a snoop c r");
498 return 0;
499 }
500
501 for (int i = 0; i < 2; i++) {
df3e429d 502 ctmp = param_getchar(Cmd, i);
5cd9ec01
M		 503 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
504 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
505 }
506
507 UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
7fe9b0b7 508 SendCommand(&c);
509 return 0;
510}
511
5f6d6c90 512int CmdHF14ACmdRaw(const char *cmd) {
513 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
514 uint8_t reply=1;
515 uint8_t crc=0;
516 uint8_t power=0;
517 uint8_t active=0;
518 uint8_t active_select=0;
519 uint16_t numbits=0;
19a700a8 520 uint32_t timeout=0;
79bf1ad2 521 uint8_t bTimeout=0;
5f6d6c90 522 char buf[5]="";
523 int i=0;
79bf1ad2 524 uint8_t data[USB_CMD_DATA_SIZE];
19a700a8 525 uint16_t datalen=0;
526 uint32_t temp;
5f6d6c90 527
528 if (strlen(cmd)<2) {
79bf1ad2 529 PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
5f6d6c90 530 PrintAndLog(" -r do not read response");
531 PrintAndLog(" -c calculate and append CRC");
532 PrintAndLog(" -p leave the signal field ON after receive");
533 PrintAndLog(" -a active signal field ON without select");
534 PrintAndLog(" -s active signal field ON with select");
535 PrintAndLog(" -b number of bits to send. Useful for send partial byte");
19a700a8 536 PrintAndLog(" -t timeout in ms");
5f6d6c90 537 return 0;
538 }
539
540 // strip
541 while (*cmd==' ' || *cmd=='\t') cmd++;
542
543 while (cmd[i]!='\0') {
544 if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
545 if (cmd[i]=='-') {
546 switch (cmd[i+1]) {
547 case 'r':
548 reply=0;
549 break;
550 case 'c':
551 crc=1;
552 break;
553 case 'p':
554 power=1;
555 break;
556 case 'a':
557 active=1;
558 break;
559 case 's':
560 active_select=1;
561 break;
562 case 'b':
563 sscanf(cmd+i+2,"%d",&temp);
564 numbits = temp & 0xFFFF;
565 i+=3;
566 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
567 i-=2;
568 break;
79bf1ad2 569 case 't':
570 bTimeout=1;
571 sscanf(cmd+i+2,"%d",&temp);
19a700a8 572 timeout = temp;
79bf1ad2 573 i+=3;
574 while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
04bc1c66 575 i-=2;
79bf1ad2 576 break;
5f6d6c90 577 default:
578 PrintAndLog("Invalid option");
579 return 0;
580 }
581 i+=2;
582 continue;
583 }
584 if ((cmd[i]>='0' && cmd[i]<='9') ||
585 (cmd[i]>='a' && cmd[i]<='f') ||
586 (cmd[i]>='A' && cmd[i]<='F') ) {
587 buf[strlen(buf)+1]=0;
588 buf[strlen(buf)]=cmd[i];
589 i++;
590
591 if (strlen(buf)>=2) {
592 sscanf(buf,"%x",&temp);
593 data[datalen]=(uint8_t)(temp & 0xff);
5f6d6c90 594 *buf=0;
79bf1ad2 595 if (++datalen>sizeof(data)){
596 if (crc)
597 PrintAndLog("Buffer is full, we can't add CRC to your data");
598 break;
599 }
5f6d6c90 600 }
601 continue;
602 }
603 PrintAndLog("Invalid char on input");
604 return 0;
605 }
79bf1ad2 606 if(crc && datalen>0 && datalen<sizeof(data)-2)
5f6d6c90 607 {
608 uint8_t first, second;
609 ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
610 data[datalen++] = first;
611 data[datalen++] = second;
612 }
613
614 if(active || active_select)
615 {
616 c.arg[0] |= ISO14A_CONNECT;
617 if(active)
618 c.arg[0] |= ISO14A_NO_SELECT;
619 }
04bc1c66 620
79bf1ad2 621 if(bTimeout){
19a700a8 622 #define MAX_TIMEOUT 40542464 // (2^32-1) * (8*16) / 13560000Hz * 1000ms/s =
79bf1ad2 623 c.arg[0] |= ISO14A_SET_TIMEOUT;
19a700a8 624 if(timeout > MAX_TIMEOUT) {
625 timeout = MAX_TIMEOUT;
626 PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
79bf1ad2 627 }
04bc1c66 628 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
79bf1ad2 629 }
5f6d6c90 630 if(power)
631 c.arg[0] |= ISO14A_NO_DISCONNECT;
632 if(datalen>0)
633 c.arg[0] |= ISO14A_RAW;
634
79bf1ad2 635 // Max buffer is USB_CMD_DATA_SIZE
636 c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
5f6d6c90 637 memcpy(c.d.asBytes,data,datalen);
638
639 SendCommand(&c);
640
641 if (reply) {
642 if(active_select)
643 waitCmd(1);
644 if(datalen>0)
645 waitCmd(0);
646 } // if reply
647 return 0;
648}
649
650static void waitCmd(uint8_t iSelect)
651{
652 uint8_t *recv;
653 UsbCommand resp;
654 char *hexout;
655
b915fda3 656 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
5f6d6c90 657 recv = resp.d.asBytes;
658 uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
659 PrintAndLog("received %i octets",iLen);
660 if(!iLen)
661 return;
662 hexout = (char *)malloc(iLen * 3 + 1);
663 if (hexout != NULL) {
5f6d6c90 664 for (int i = 0; i < iLen; i++) { // data in hex
f66021cf 665 sprintf(&hexout[i * 3], "%02X ", recv[i]);
5f6d6c90 666 }
667 PrintAndLog("%s", hexout);
668 free(hexout);
669 } else {
670 PrintAndLog("malloc failed your client has low memory?");
671 }
672 } else {
673 PrintAndLog("timeout while waiting for reply.");
674 }
675}
676
7fe9b0b7 677static command_t CommandTable[] =
678{
5acd09bd 679 {"help", CmdHelp, 1, "This help"},
4c3de57a 680 {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
5acd09bd 681 {"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
682 {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
df3e429d 683 {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
5acd09bd 684 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
5f6d6c90 685 {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
7fe9b0b7 686 {NULL, NULL, 0, NULL}
687};
688
902cb3c0 689int CmdHF14A(const char *Cmd) {
f397b5cc 690 // flush
902cb3c0 691 WaitForResponseTimeout(CMD_ACK,NULL,100);
f397b5cc
M		 692
693 // parse
7fe9b0b7 694 CmdsParse(CommandTable, Cmd);
695 return 0;
696}
697
698int CmdHelp(const char *Cmd)
699{
700 CmdsHelp(CommandTable);
701 return 0;
702}
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