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fix endless loop (#782)
[proxmark3-svn] / client / cmdsmartcard.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2018 iceman
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // Proxmark3 RDV40 Smartcard module commands
9 //-----------------------------------------------------------------------------
10 #include "cmdsmartcard.h"
11
12 #include <ctype.h>
13
14 #include "ui.h"
15 #include "cmdparser.h"
16 #include "proxmark3.h"
17 #include "util.h"
18 #include "smartcard.h"
19 #include "comms.h"
20 #include "protocols.h"
21 #include "cmdhw.h"
22 #include "cmdhflist.h"
23 #include "emv/apduinfo.h" // APDUcode description
24 #include "emv/emvcore.h" // decodeTVL
25 #include "crypto/libpcrypto.h" // sha512hash
26 #include "emv/dump.h" // dump_buffer
27 #include "pcsc.h"
28
29 #define SC_UPGRADE_FILES_DIRECTORY "sc_upgrade_firmware/"
30
31 static bool UseAlternativeSmartcardReader = false; // default: use PM3 RDV40 Smartcard Slot (if available)
32
33 static int CmdHelp(const char *Cmd);
34
35 static int usage_sm_raw(void) {
36 PrintAndLogEx(NORMAL, "Usage: sc raw [h|r|c] d <0A 0B 0C ... hex>");
37 PrintAndLogEx(NORMAL, " h : this help");
38 PrintAndLogEx(NORMAL, " r : do not read response");
39 PrintAndLogEx(NORMAL, " a : active smartcard without select (reset sc module)");
40 PrintAndLogEx(NORMAL, " s : active smartcard with select (get ATR)");
41 PrintAndLogEx(NORMAL, " t : executes TLV decoder if it possible");
42 PrintAndLogEx(NORMAL, " 0 : use protocol T=0");
43 PrintAndLogEx(NORMAL, " d <bytes> : bytes to send");
44 PrintAndLogEx(NORMAL, "");
45 PrintAndLogEx(NORMAL, "Examples:");
46 PrintAndLogEx(NORMAL, " sc raw s 0 d 00a404000e315041592e5359532e4444463031 - `1PAY.SYS.DDF01` PSE directory with get ATR");
47 return 0;
48 }
49
50 static int usage_sm_select(void) {
51 PrintAndLogEx(NORMAL, "Usage: sc select [h|<reader name>] ");
52 PrintAndLogEx(NORMAL, " h : this help");
53 PrintAndLogEx(NORMAL, " <reader name> : a card reader's name, wildcards allowed, leave empty to pick from available readers");
54 PrintAndLogEx(NORMAL, "");
55 PrintAndLogEx(NORMAL, "Examples:");
56 PrintAndLogEx(NORMAL, " sc select : list available card readers and pick");
57 PrintAndLogEx(NORMAL, " sc select Gemalto* : select a connected Gemalto card reader" );
58 return 0;
59 }
60
61 static int usage_sm_reader(void) {
62 PrintAndLogEx(NORMAL, "Usage: sc reader [h|s]");
63 PrintAndLogEx(NORMAL, " h : this help");
64 PrintAndLogEx(NORMAL, " s : silent (no messages)");
65 PrintAndLogEx(NORMAL, "");
66 PrintAndLogEx(NORMAL, "Examples:");
67 PrintAndLogEx(NORMAL, " sc reader");
68 return 0;
69 }
70
71 static int usage_sm_info(void) {
72 PrintAndLogEx(NORMAL, "Usage: s info [h|s]");
73 PrintAndLogEx(NORMAL, " h : this help");
74 PrintAndLogEx(NORMAL, " s : silent (no messages)");
75 PrintAndLogEx(NORMAL, "");
76 PrintAndLogEx(NORMAL, "Examples:");
77 PrintAndLogEx(NORMAL, " sc info");
78 return 0;
79 }
80
81 static int usage_sm_upgrade(void) {
82 PrintAndLogEx(NORMAL, "Upgrade RDV4.0 Smartcard Socket Firmware");
83 PrintAndLogEx(NORMAL, "Usage: sc upgrade f <file name>");
84 PrintAndLogEx(NORMAL, " h : this help");
85 PrintAndLogEx(NORMAL, " f <filename> : firmware file name");
86 PrintAndLogEx(NORMAL, "");
87 PrintAndLogEx(NORMAL, "Examples:");
88 PrintAndLogEx(NORMAL, " sc upgrade f SIM010.BIN");
89 return 0;
90 }
91
92 static int usage_sm_setclock(void) {
93 PrintAndLogEx(NORMAL, "Usage: sc setclock [h] c <clockspeed>");
94 PrintAndLogEx(NORMAL, " h : this help");
95 PrintAndLogEx(NORMAL, " c <> : clockspeed (0 = 16mhz, 1=8mhz, 2=4mhz) ");
96 PrintAndLogEx(NORMAL, "");
97 PrintAndLogEx(NORMAL, "Examples:");
98 PrintAndLogEx(NORMAL, " sc setclock c 2");
99 return 0;
100 }
101
102 static int usage_sm_brute(void) {
103 PrintAndLogEx(NORMAL, "Tries to bruteforce SFI, ");
104 PrintAndLogEx(NORMAL, "Usage: sc brute [h]");
105 PrintAndLogEx(NORMAL, " h : this help");
106 PrintAndLogEx(NORMAL, "");
107 PrintAndLogEx(NORMAL, "Examples:");
108 PrintAndLogEx(NORMAL, " sc brute");
109 return 0;
110 }
111
112 uint8_t GetATRTA1(uint8_t *atr, size_t atrlen) {
113 if (atrlen > 2) {
114 uint8_t T0 = atr[1];
115 if (T0 & 0x10)
116 return atr[2];
117 }
118
119 return 0x11; // default value is 0x11, corresponding to fmax=5 MHz, Fi=372, Di=1.
120 }
121
122 int DiArray[] = {
123 0, // b0000 RFU
124 1, // b0001
125 2,
126 4,
127 8,
128 16,
129 32, // b0110
130 64, // b0111. This was RFU in ISO/IEC 7816-3:1997 and former. Some card readers or drivers may erroneously reject cards using this value
131 12,
132 20,
133 0, // b1010 RFU
134 0,
135 0, // ...
136 0,
137 0,
138 0 // b1111 RFU
139 };
140
141 int FiArray[] = {
142 372, // b0000 Historical note: in ISO/IEC 7816-3:1989, this was assigned to cards with internal clock
143 372, // b0001
144 558, // b0010
145 744, // b0011
146 1116, // b0100
147 1488, // b0101
148 1860, // b0110
149 0, // b0111 RFU
150 0, // b1000 RFU
151 512, // b1001
152 768, // b1010
153 1024, // b1011
154 1536, // b1100
155 2048, // b1101
156 0, // b1110 RFU
157 0 // b1111 RFU
158 };
159
160 float FArray[] = {
161 4, // b0000 Historical note: in ISO/IEC 7816-3:1989, this was assigned to cards with internal clock
162 5, // b0001
163 6, // b0010
164 8, // b0011
165 12, // b0100
166 16, // b0101
167 20, // b0110
168 0, // b0111 RFU
169 0, // b1000 RFU
170 5, // b1001
171 7.5, // b1010
172 10, // b1011
173 15, // b1100
174 20, // b1101
175 0, // b1110 RFU
176 0 // b1111 RFU
177 };
178
179 static int GetATRDi(uint8_t *atr, size_t atrlen) {
180 uint8_t TA1 = GetATRTA1(atr, atrlen);
181
182 return DiArray[TA1 & 0x0f]; // The 4 low-order bits of TA1 (4th MSbit to 1st LSbit) encode Di
183 }
184
185 static int GetATRFi(uint8_t *atr, size_t atrlen) {
186 uint8_t TA1 = GetATRTA1(atr, atrlen);
187
188 return FiArray[TA1 >> 4]; // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi
189 }
190
191 static float GetATRF(uint8_t *atr, size_t atrlen) {
192 uint8_t TA1 = GetATRTA1(atr, atrlen);
193
194 return FArray[TA1 >> 4]; // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi
195 }
196
197 static int PrintATR(uint8_t *atr, size_t atrlen) {
198
199 uint8_t T0 = atr[1];
200 uint8_t K = T0 & 0x0F;
201 uint8_t TD1 = 0, T1len = 0, TD1len = 0, TDilen = 0;
202 bool protocol_T0_present = true;
203 bool protocol_T15_present = false;
204
205 if (T0 & 0x10) {
206 PrintAndLog("\t- TA1 (Maximum clock frequency, proposed bit duration) [ 0x%02x ]", atr[2 + T1len]);
207 T1len++;
208 }
209
210 if (T0 & 0x20) {
211 PrintAndLog("\t- TB1 (Deprecated: VPP requirements) [ 0x%02x ]", atr[2 + T1len]);
212 T1len++;
213 }
214
215 if (T0 & 0x40) {
216 PrintAndLog("\t- TC1 (Extra delay between bytes required by card) [ 0x%02x ]", atr[2 + T1len]);
217 T1len++;
218 }
219
220 if (T0 & 0x80) {
221 TD1 = atr[2 + T1len];
222 PrintAndLog("\t- TD1 (First offered transmission protocol, presence of TA2..TD2) [ 0x%02x ] Protocol T%d", TD1, TD1 & 0x0f);
223 protocol_T0_present = false;
224 if ((TD1 & 0x0f) == 0) {
225 protocol_T0_present = true;
226 }
227 if ((TD1 & 0x0f) == 15) {
228 protocol_T15_present = true;
229 }
230
231 T1len++;
232
233 if (TD1 & 0x10) {
234 PrintAndLog("\t- TA2 (Specific protocol and parameters to be used after the ATR) [ 0x%02x ]", atr[2 + T1len + TD1len]);
235 TD1len++;
236 }
237 if (TD1 & 0x20) {
238 PrintAndLog("\t- TB2 (Deprecated: VPP precise voltage requirement) [ 0x%02x ]", atr[2 + T1len + TD1len]);
239 TD1len++;
240 }
241 if (TD1 & 0x40) {
242 PrintAndLog("\t- TC2 (Maximum waiting time for protocol T=0) [ 0x%02x ]", atr[2 + T1len + TD1len]);
243 TD1len++;
244 }
245 if (TD1 & 0x80) {
246 uint8_t TDi = atr[2 + T1len + TD1len];
247 PrintAndLog("\t- TD2 (A supported protocol or more global parameters, presence of TA3..TD3) [ 0x%02x ] Protocol T%d", TDi, TDi & 0x0f);
248 if ((TDi & 0x0f) == 0) {
249 protocol_T0_present = true;
250 }
251 if ((TDi & 0x0f) == 15) {
252 protocol_T15_present = true;
253 }
254 TD1len++;
255
256 bool nextCycle = true;
257 uint8_t vi = 3;
258 while (nextCycle) {
259 nextCycle = false;
260 if (TDi & 0x10) {
261 PrintAndLog("\t- TA%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
262 TDilen++;
263 }
264 if (TDi & 0x20) {
265 PrintAndLog("\t- TB%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
266 TDilen++;
267 }
268 if (TDi & 0x40) {
269 PrintAndLog("\t- TC%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
270 TDilen++;
271 }
272 if (TDi & 0x80) {
273 TDi = atr[2 + T1len + TD1len + TDilen];
274 PrintAndLog("\t- TD%d [ 0x%02x ] Protocol T%d", vi, TDi, TDi & 0x0f);
275 TDilen++;
276
277 nextCycle = true;
278 vi++;
279 }
280 }
281 }
282 }
283
284 if (!protocol_T0_present || protocol_T15_present) { // there is CRC Check Byte TCK
285 uint8_t vxor = 0;
286 for (int i = 1; i < atrlen; i++)
287 vxor ^= atr[i];
288
289 if (vxor)
290 PrintAndLogEx(WARNING, "Check sum error. Must be 0 got 0x%02X", vxor);
291 else
292 PrintAndLogEx(INFO, "Check sum OK.");
293 }
294
295 if (atr[0] != 0x3b)
296 PrintAndLogEx(WARNING, "Not a direct convention [ 0x%02x ]", atr[0]);
297
298 uint8_t calen = 2 + T1len + TD1len + TDilen + K;
299
300 if (atrlen != calen && atrlen != calen + 1) // may be CRC
301 PrintAndLogEx(ERR, "ATR length error. len: %d, T1len: %d, TD1len: %d, TDilen: %d, K: %d", atrlen, T1len, TD1len, TDilen, K);
302
303 if (K > 0)
304 PrintAndLogEx(INFO, "\nHistorical bytes | len %02d | format %02x", K, atr[2 + T1len + TD1len + TDilen]);
305
306 if (K > 1) {
307 PrintAndLogEx(INFO, "\tHistorical bytes");
308 dump_buffer(&atr[2 + T1len + TD1len + TDilen], K, NULL, 1);
309 }
310
311 return 0;
312 }
313
314 static bool smart_getATR(smart_card_atr_t *card)
315 {
316 if (UseAlternativeSmartcardReader) {
317 return pcscGetATR(card);
318 } else {
319 UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}};
320 SendCommand(&c);
321
322 UsbCommand resp;
323 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
324 return false;
325 }
326
327 if (resp.arg[0] & 0xff) {
328 return resp.arg[0] & 0xFF;
329 }
330
331 memcpy(card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t));
332
333 return true;
334 }
335 }
336
337 static bool smart_select(bool silent) {
338
339 smart_card_atr_t card;
340 if (!smart_getATR(&card)) {
341 if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
342 return false;
343 }
344
345 if (!silent) {
346 PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
347 }
348
349 return true;
350 }
351
352
353 static void smart_transmit(uint8_t *data, uint32_t data_len, uint32_t flags, uint8_t *response, int *response_len, uint32_t max_response_len)
354 {
355 // PrintAndLogEx(SUCCESS, "C-TPDU>>>> %s", sprint_hex(data, data_len));
356 if (UseAlternativeSmartcardReader) {
357 *response_len = max_response_len;
358 pcscTransmit(data, data_len, flags, response, response_len);
359 } else {
360 UsbCommand c = {CMD_SMART_RAW, {flags, data_len, 0}};
361 memcpy(c.d.asBytes, data, data_len);
362 SendCommand(&c);
363
364 if (!WaitForResponseTimeout(CMD_ACK, &c, 2500)) {
365 PrintAndLogEx(WARNING, "smart card response timeout");
366 *response_len = -1;
367 return;
368 }
369
370 *response_len = c.arg[0];
371 if (*response_len > 0) {
372 memcpy(response, c.d.asBytes, *response_len);
373 }
374 }
375
376 if (*response_len <= 0) {
377 PrintAndLogEx(WARNING, "smart card response failed");
378 *response_len = -2;
379 return;
380 }
381
382 if (*response_len < 2) {
383 // PrintAndLogEx(SUCCESS, "R-TPDU %02X | ", response[0]);
384 return;
385 }
386
387 // PrintAndLogEx(SUCCESS, "R-TPDU<<<< %s", sprint_hex(response, *response_len));
388 // PrintAndLogEx(SUCCESS, "R-TPDU SW %02X%02X | %s", response[*response_len-2], response[*response_len-1], GetAPDUCodeDescription(response[*response_len-2], response[*response_len-1]));
389 }
390
391
392 static int CmdSmartSelect(const char *Cmd)
393 {
394 const char *readername;
395
396 if (tolower(param_getchar(Cmd, 0)) == 'h') {
397 return usage_sm_select();
398 }
399
400 if (!PM3hasSmartcardSlot() && !pcscCheckForCardReaders()) {
401 PrintAndLogEx(WARNING, "No Smartcard Readers available");
402 UseAlternativeSmartcardReader = false;
403 return 1;
404 }
405
406 int bg, en;
407 if (param_getptr(Cmd, &bg, &en, 0)) {
408 UseAlternativeSmartcardReader = pcscSelectAlternativeCardReader(NULL);
409 } else {
410 readername = Cmd + bg;
411 UseAlternativeSmartcardReader = pcscSelectAlternativeCardReader(readername);
412 }
413
414 return 0;
415 }
416
417
418 static int CmdSmartRaw(const char *Cmd) {
419
420 int hexlen = 0;
421 bool active = false;
422 bool active_select = false;
423 bool useT0 = false;
424 uint8_t cmdp = 0;
425 bool errors = false, reply = true, decodeTLV = false, breakloop = false;
426 uint8_t data[ISO7816_MAX_FRAME_SIZE] = {0x00};
427
428 while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
429 switch (tolower(param_getchar(Cmd, cmdp))) {
430 case 'h': return usage_sm_raw();
431 case 'r':
432 reply = false;
433 cmdp++;
434 break;
435 case 'a':
436 active = true;
437 cmdp++;
438 break;
439 case 's':
440 active_select = true;
441 cmdp++;
442 break;
443 case 't':
444 decodeTLV = true;
445 cmdp++;
446 break;
447 case '0':
448 useT0 = true;
449 cmdp++;
450 break;
451 case 'd': {
452 switch (param_gethex_to_eol(Cmd, cmdp+1, data, sizeof(data), &hexlen)) {
453 case 1:
454 PrintAndLogEx(WARNING, "Invalid HEX value.");
455 return 1;
456 case 2:
457 PrintAndLogEx(WARNING, "Too many bytes. Max %d bytes", sizeof(data));
458 return 1;
459 case 3:
460 PrintAndLogEx(WARNING, "Hex must have even number of digits.");
461 return 1;
462 }
463 cmdp++;
464 breakloop = true;
465 break;
466 }
467 default:
468 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
469 errors = true;
470 break;
471 }
472
473 if ( breakloop )
474 break;
475 }
476
477 //Validations
478 if (errors || cmdp == 0 ) return usage_sm_raw();
479
480 uint32_t flags = 0;
481 uint32_t protocol = 0;
482 if (active || active_select) {
483 flags |= SC_CONNECT;
484 if (active_select)
485 flags |= SC_SELECT;
486 }
487 if (hexlen > 0) {
488 if (useT0)
489 protocol = SC_RAW_T0;
490 else
491 protocol = SC_RAW;
492 }
493
494 int response_len = 0;
495 uint8_t *response = NULL;
496 if (reply) {
497 response = calloc(ISO7816_MAX_FRAME_SIZE, sizeof(uint8_t));
498 if ( !response )
499 return 1;
500 }
501
502 smart_transmit(data, hexlen, flags|protocol, response, &response_len, ISO7816_MAX_FRAME_SIZE);
503
504 // reading response from smart card
505 if ( reply ) {
506 if ( response_len < 0 ) {
507 free(response);
508 return 2;
509 }
510
511 if ( response[0] == 0x6C ) {
512 data[4] = response[1];
513 smart_transmit(data, hexlen, protocol, response, &response_len, ISO7816_MAX_FRAME_SIZE);
514 data[4] = 0;
515 }
516
517 if (decodeTLV && response_len > 4)
518 TLVPrintFromBuffer(response, response_len-2);
519
520 free(response);
521 }
522 return 0;
523 }
524
525
526 int ExchangeAPDUSC(uint8_t *APDU, int APDUlen, bool activateCard, bool leaveSignalON, uint8_t *response, int maxresponselen, int *responselen)
527 {
528 uint8_t TPDU[ISO7816_MAX_FRAME_SIZE];
529
530 *responselen = 0;
531
532 if (activateCard)
533 smart_select(false);
534
535 uint32_t flags = SC_RAW_T0;
536 if (activateCard) {
537 flags |= SC_SELECT | SC_CONNECT;
538 }
539
540 if (APDUlen == 4) { // Case 1
541 memcpy(TPDU, APDU, 4);
542 TPDU[4] = 0x00;
543 smart_transmit(TPDU, 5, flags, response, responselen, maxresponselen);
544 } else if (APDUlen == 5) { // Case 2 Short
545 smart_transmit(APDU, 5, flags, response, responselen, maxresponselen);
546 if (response[0] == 0x6C) { // wrong Le
547 uint16_t Le = APDU[4] ? APDU[4] : 256;
548 uint8_t La = response[1];
549 memcpy(TPDU, APDU, 5);
550 TPDU[4] = La;
551 smart_transmit(TPDU, 5, SC_RAW_T0, response, responselen, maxresponselen);
552 if (Le < La && *responselen >= 0) {
553 response[Le] = response[*responselen-2];
554 response[Le+1] = response[*responselen-1];
555 *responselen = Le + 2;
556 }
557 }
558 } else if (APDU[4] != 0 && APDUlen == 5 + APDU[4]) { // Case 3 Short
559 smart_transmit(APDU, APDUlen, flags, response, responselen, maxresponselen);
560 } else if (APDU[4] != 0 && APDUlen == 5 + APDU[4] + 1) { // Case 4 Short
561 smart_transmit(APDU, APDUlen-1, flags, response, responselen, maxresponselen);
562 if (response[0] == 0x90 && response[1] == 0x00) {
563 uint8_t Le = APDU[APDUlen-1];
564 uint8_t get_response[5] = {0x00, ISO7816_GET_RESPONSE, 0x00, 0x00, Le};
565 return ExchangeAPDUSC(get_response, 5, false, leaveSignalON, response, maxresponselen, responselen);
566 }
567 } else { // Long Cases not yet implemented
568 PrintAndLogEx(ERR, "Long APDUs not yet implemented");
569 *responselen = -3;
570 }
571
572 if (*responselen < 0 ) {
573 return 1;
574 } else {
575 return 0;
576 }
577 }
578
579
580 static int CmdSmartUpgrade(const char *Cmd) {
581
582 PrintAndLogEx(NORMAL, "");
583 PrintAndLogEx(WARNING, "WARNING - RDV4.0 Smartcard Socket Firmware upgrade.");
584 PrintAndLogEx(WARNING, "A dangerous command, do wrong and you will brick the smart card socket");
585 PrintAndLogEx(NORMAL, "");
586
587 FILE *f;
588 char filename[FILE_PATH_SIZE] = {0};
589 uint8_t cmdp = 0;
590 bool errors = false;
591
592 while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
593 switch (tolower(param_getchar(Cmd, cmdp))) {
594 case 'f':
595 //File handling and reading
596 if ( param_getstr(Cmd, cmdp+1, filename, FILE_PATH_SIZE) >= FILE_PATH_SIZE ) {
597 PrintAndLogEx(FAILED, "Filename too long");
598 errors = true;
599 break;
600 }
601 cmdp += 2;
602 break;
603 case 'h':
604 return usage_sm_upgrade();
605 default:
606 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
607 errors = true;
608 break;
609 }
610 }
611
612 //Validations
613 if (errors || cmdp == 0 ) return usage_sm_upgrade();
614
615 if (strchr(filename, '\\') || strchr(filename, '/')) {
616 PrintAndLogEx(FAILED, "Filename must not contain \\ or /. Firmware file will be found in client/sc_upgrade_firmware directory.");
617 return 1;
618 }
619
620 char sc_upgrade_file_path[strlen(get_my_executable_directory()) + strlen(SC_UPGRADE_FILES_DIRECTORY) + strlen(filename) + 1];
621 strcpy(sc_upgrade_file_path, get_my_executable_directory());
622 strcat(sc_upgrade_file_path, SC_UPGRADE_FILES_DIRECTORY);
623 strcat(sc_upgrade_file_path, filename);
624 if (strlen(sc_upgrade_file_path) >= FILE_PATH_SIZE ) {
625 PrintAndLogEx(FAILED, "Filename too long");
626 return 1;
627 }
628
629 char sha512filename[FILE_PATH_SIZE] = {'\0'};
630 char *bin_extension = filename;
631 char *dot_position = NULL;
632 while ((dot_position = strchr(bin_extension, '.')) != NULL) {
633 bin_extension = dot_position + 1;
634 }
635 if (!strcmp(bin_extension, "BIN")
636 #ifdef _WIN32
637 || !strcmp(bin_extension, "bin")
638 #endif
639 ) {
640 memcpy(sha512filename, filename, strlen(filename) - strlen("bin"));
641 strcat(sha512filename, "sha512.txt");
642 } else {
643 PrintAndLogEx(FAILED, "Filename extension of Firmware Upgrade File must be .BIN");
644 return 1;
645 }
646
647 PrintAndLogEx(INFO, "Checking integrity using SHA512 File %s ...", sha512filename);
648 char sc_upgrade_sha512file_path[strlen(get_my_executable_directory()) + strlen(SC_UPGRADE_FILES_DIRECTORY) + strlen(sha512filename) + 1];
649 strcpy(sc_upgrade_sha512file_path, get_my_executable_directory());
650 strcat(sc_upgrade_sha512file_path, SC_UPGRADE_FILES_DIRECTORY);
651 strcat(sc_upgrade_sha512file_path, sha512filename);
652 if (strlen(sc_upgrade_sha512file_path) >= FILE_PATH_SIZE ) {
653 PrintAndLogEx(FAILED, "Filename too long");
654 return 1;
655 }
656
657 // load firmware file
658 f = fopen(sc_upgrade_file_path, "rb");
659 if ( !f ){
660 PrintAndLogEx(FAILED, "Firmware file not found or locked.");
661 return 1;
662 }
663
664 // get filesize in order to malloc memory
665 fseek(f, 0, SEEK_END);
666 size_t fsize = ftell(f);
667 fseek(f, 0, SEEK_SET);
668
669 if (fsize < 0) {
670 PrintAndLogEx(FAILED, "Could not determine size of firmware file");
671 fclose(f);
672 return 1;
673 }
674
675 uint8_t *dump = calloc(fsize, sizeof(uint8_t));
676 if (!dump) {
677 PrintAndLogEx(FAILED, "Could not allocate memory for firmware");
678 fclose(f);
679 return 1;
680 }
681
682 size_t firmware_size = fread(dump, 1, fsize, f);
683 if (f)
684 fclose(f);
685
686 // load sha512 file
687 f = fopen(sc_upgrade_sha512file_path, "rb");
688 if ( !f ){
689 PrintAndLogEx(FAILED, "SHA-512 file not found or locked.");
690 return 1;
691 }
692
693 // get filesize in order to malloc memory
694 fseek(f, 0, SEEK_END);
695 fsize = ftell(f);
696 fseek(f, 0, SEEK_SET);
697
698 if (fsize < 0) {
699 PrintAndLogEx(FAILED, "Could not determine size of SHA-512 file");
700 fclose(f);
701 return 1;
702 }
703
704 if (fsize < 128) {
705 PrintAndLogEx(FAILED, "SHA-512 file too short");
706 fclose(f);
707 return 1;
708 }
709
710 char hashstring[129];
711 size_t bytes_read = fread(hashstring, 1, 128, f);
712 hashstring[128] = '\0';
713
714 if (f)
715 fclose(f);
716
717 uint8_t hash1[64];
718 if (bytes_read != 128 || param_gethex(hashstring, 0, hash1, 128)) {
719 PrintAndLogEx(FAILED, "Couldn't read SHA-512 file");
720 return 1;
721 }
722
723 uint8_t hash2[64];
724 if (sha512hash(dump, firmware_size, hash2)) {
725 PrintAndLogEx(FAILED, "Couldn't calculate SHA-512 of Firmware");
726 return 1;
727 }
728
729 if (memcmp(hash1, hash2, 64)) {
730 PrintAndLogEx(FAILED, "Couldn't verify integrity of Firmware file (wrong SHA-512)");
731 return 1;
732 }
733
734 PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware uploading to PM3");
735
736 //Send to device
737 uint32_t index = 0;
738 uint32_t bytes_sent = 0;
739 uint32_t bytes_remaining = firmware_size;
740
741 while (bytes_remaining > 0){
742 uint32_t bytes_in_packet = MIN(USB_CMD_DATA_SIZE, bytes_remaining);
743 UsbCommand c = {CMD_SMART_UPLOAD, {index + bytes_sent, bytes_in_packet, 0}};
744
745 // Fill usb bytes with 0xFF
746 memset(c.d.asBytes, 0xFF, USB_CMD_DATA_SIZE);
747 memcpy(c.d.asBytes, dump + bytes_sent, bytes_in_packet);
748 clearCommandBuffer();
749 SendCommand(&c);
750 if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2000) ) {
751 PrintAndLogEx(WARNING, "timeout while waiting for reply.");
752 free(dump);
753 return 1;
754 }
755
756 bytes_remaining -= bytes_in_packet;
757 bytes_sent += bytes_in_packet;
758 printf("."); fflush(stdout);
759 }
760 free(dump);
761 printf("\n");
762 PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware updating, don\'t turn off your PM3!");
763
764 // trigger the firmware upgrade
765 UsbCommand c = {CMD_SMART_UPGRADE, {firmware_size, 0, 0}};
766 clearCommandBuffer();
767 SendCommand(&c);
768 UsbCommand resp;
769 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
770 PrintAndLogEx(WARNING, "timeout while waiting for reply.");
771 return 1;
772 }
773 if ( (resp.arg[0] & 0xFF ) )
774 PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware upgraded successful");
775 else
776 PrintAndLogEx(FAILED, "RDV4.0 Smartcard Socket Firmware Upgrade failed");
777 return 0;
778 }
779
780
781 static int CmdSmartInfo(const char *Cmd){
782 uint8_t cmdp = 0;
783 bool errors = false, silent = false;
784
785 while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
786 switch (tolower(param_getchar(Cmd, cmdp))) {
787 case 'h': return usage_sm_info();
788 case 's':
789 silent = true;
790 break;
791 default:
792 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
793 errors = true;
794 break;
795 }
796 cmdp++;
797 }
798
799 //Validations
800 if (errors ) return usage_sm_info();
801
802 smart_card_atr_t card;
803 if (!smart_getATR(&card)) {
804 if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
805 return 1;
806 }
807
808 // print header
809 PrintAndLogEx(INFO, "--- Smartcard Information ---------");
810 PrintAndLogEx(INFO, "-------------------------------------------------------------");
811 PrintAndLogEx(INFO, "ISO7618-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
812 PrintAndLogEx(INFO, "\nhttp://smartcard-atr.appspot.com/parse?ATR=%s", sprint_hex_inrow(card.atr, card.atr_len) );
813
814 // print ATR
815 PrintAndLogEx(NORMAL, "");
816 PrintAndLogEx(INFO, "ATR");
817 PrintATR(card.atr, card.atr_len);
818
819 // print D/F (brom byte TA1 or defaults)
820 PrintAndLogEx(NORMAL, "");
821 PrintAndLogEx(INFO, "D/F (TA1)");
822 int Di = GetATRDi(card.atr, card.atr_len);
823 int Fi = GetATRFi(card.atr, card.atr_len);
824 float F = GetATRF(card.atr, card.atr_len);
825 if (GetATRTA1(card.atr, card.atr_len) == 0x11)
826 PrintAndLogEx(INFO, "Using default values...");
827
828 PrintAndLogEx(NORMAL, "\t- Di=%d", Di);
829 PrintAndLogEx(NORMAL, "\t- Fi=%d", Fi);
830 PrintAndLogEx(NORMAL, "\t- F=%.1f MHz", F);
831
832 if (Di && Fi) {
833 PrintAndLogEx(NORMAL, "\t- Cycles/ETU=%d", Fi/Di);
834 PrintAndLogEx(NORMAL, "\t- %.1f bits/sec at 4MHz", (float)4000000 / (Fi/Di));
835 PrintAndLogEx(NORMAL, "\t- %.1f bits/sec at Fmax=%.1fMHz", (F * 1000000) / (Fi/Di), F);
836 } else {
837 PrintAndLogEx(WARNING, "\t- Di or Fi is RFU.");
838 };
839
840 return 0;
841 }
842
843 int CmdSmartReader(const char *Cmd){
844 uint8_t cmdp = 0;
845 bool errors = false, silent = false;
846
847 while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
848 switch (tolower(param_getchar(Cmd, cmdp))) {
849 case 'h': return usage_sm_reader();
850 case 's':
851 silent = true;
852 break;
853 default:
854 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
855 errors = true;
856 break;
857 }
858 cmdp++;
859 }
860
861 //Validations
862 if (errors ) return usage_sm_reader();
863
864 smart_card_atr_t card;
865 if (!smart_getATR(&card)) {
866 if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
867 return 1;
868 }
869
870 PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
871 return 0;
872 }
873
874
875 static int CmdSmartSetClock(const char *Cmd){
876 uint8_t cmdp = 0;
877 bool errors = false;
878 uint8_t clock = 0;
879 while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
880 switch (tolower(param_getchar(Cmd, cmdp))) {
881 case 'h': return usage_sm_setclock();
882 case 'c':
883 clock = param_get8ex(Cmd, cmdp+1, 2, 10);
884 if ( clock > 2)
885 errors = true;
886
887 cmdp += 2;
888 break;
889 default:
890 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
891 errors = true;
892 break;
893 }
894 }
895
896 //Validations
897 if (errors || cmdp == 0) return usage_sm_setclock();
898
899 UsbCommand c = {CMD_SMART_SETCLOCK, {clock, 0, 0}};
900 clearCommandBuffer();
901 SendCommand(&c);
902 UsbCommand resp;
903 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
904 PrintAndLogEx(WARNING, "smart card select failed");
905 return 1;
906 }
907
908 uint8_t isok = resp.arg[0] & 0xFF;
909 if (!isok) {
910 PrintAndLogEx(WARNING, "smart card set clock failed");
911 return 1;
912 }
913
914 switch (clock) {
915 case 0:
916 PrintAndLogEx(SUCCESS, "Clock changed to 16mhz giving 10800 baudrate");
917 break;
918 case 1:
919 PrintAndLogEx(SUCCESS, "Clock changed to 8mhz giving 21600 baudrate");
920 break;
921 case 2:
922 PrintAndLogEx(SUCCESS, "Clock changed to 4mhz giving 86400 baudrate");
923 break;
924 default:
925 break;
926 }
927 return 0;
928 }
929
930
931 static int CmdSmartList(const char *Cmd) {
932 CmdHFList("7816");
933 return 0;
934 }
935
936
937 static int CmdSmartBruteforceSFI(const char *Cmd) {
938
939 char ctmp = tolower(param_getchar(Cmd, 0));
940 if (ctmp == 'h') return usage_sm_brute();
941
942 uint8_t data[5] = {0x00, 0xB2, 0x00, 0x00, 0x00};
943
944 PrintAndLogEx(INFO, "Selecting card");
945 if ( !smart_select(false) ) {
946 return 1;
947 }
948
949 PrintAndLogEx(INFO, "Selecting PSE aid");
950 CmdSmartRaw("s 0 t d 00a404000e325041592e5359532e4444463031");
951 CmdSmartRaw("0 t d 00a4040007a000000004101000"); // mastercard
952 // CmdSmartRaw("0 t d 00a4040007a0000000031010"); // visa
953
954 PrintAndLogEx(INFO, "starting");
955
956 int response_len = 0;
957 uint8_t* response = malloc(ISO7816_MAX_FRAME_SIZE);
958 if (!response)
959 return 1;
960
961 for (uint8_t i=1; i < 4; i++) {
962 for (int p1=1; p1 < 5; p1++) {
963
964 data[2] = p1;
965 data[3] = (i << 3) + 4;
966
967 smart_transmit(data, sizeof(data), SC_RAW_T0, response, &response_len, ISO7816_MAX_FRAME_SIZE);
968
969 if ( response[0] == 0x6C ) {
970 data[4] = response[1];
971 smart_transmit(data, sizeof(data), SC_RAW_T0, response, &response_len, ISO7816_MAX_FRAME_SIZE);
972
973 // TLV decoder
974 if (response_len > 4)
975 TLVPrintFromBuffer(response+1, response_len-3);
976
977 data[4] = 0;
978 }
979 memset(response, 0x00, ISO7816_MAX_FRAME_SIZE);
980 }
981 }
982 free(response);
983 return 0;
984 }
985
986 static command_t CommandTable[] = {
987 {"help", CmdHelp, 1, "This help"},
988 {"select", CmdSmartSelect, 1, "Select the Smartcard Reader to use"},
989 {"list", CmdSmartList, 1, "List ISO 7816 history"},
990 {"info", CmdSmartInfo, 1, "Tag information"},
991 {"reader", CmdSmartReader, 1, "Act like an IS07816 reader"},
992 {"raw", CmdSmartRaw, 1, "Send raw hex data to tag"},
993 {"upgrade", CmdSmartUpgrade, 0, "Upgrade firmware"},
994 {"setclock", CmdSmartSetClock, 1, "Set clock speed"},
995 {"brute", CmdSmartBruteforceSFI, 1, "Bruteforce SFI"},
996 {NULL, NULL, 0, NULL}
997 };
998
999
1000 int CmdSmartcard(const char *Cmd) {
1001 clearCommandBuffer();
1002 CmdsParse(CommandTable, Cmd);
1003 return 0;
1004 }
1005
1006
1007 static int CmdHelp(const char *Cmd) {
1008 CmdsHelp(CommandTable);
1009 return 0;
1010 }
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