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43591e64 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"
8d7d7b61 11
12#include <ctype.h>
13
14#include "ui.h"
15#include "cmdparser.h"
9f596ec7 16#include "proxmark3.h"
8d7d7b61 17#include "util.h"
43591e64 18#include "smartcard.h"
19#include "comms.h"
20#include "protocols.h"
a9104f7e 21#include "cmdhw.h"
0d2624a0 22#include "cmdhflist.h"
8d7d7b61 23#include "emv/apduinfo.h" // APDUcode description
24#include "emv/emvcore.h" // decodeTVL
151a33c0 25#include "crypto/libpcrypto.h" // sha512hash
6b6c3be6 26#include "emv/dump.h" // dump_buffer
a9104f7e 27#include "pcsc.h"
43591e64 28
9f596ec7 29#define SC_UPGRADE_FILES_DIRECTORY "sc_upgrade_firmware/"
43591e64 30
a9104f7e 31static bool UseAlternativeSmartcardReader = false; // default: use PM3 RDV40 Smartcard Slot (if available)
32
43591e64 33static int CmdHelp(const char *Cmd);
34
8d7d7b61 35static 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");
151a33c0 39 PrintAndLogEx(NORMAL, " a : active smartcard without select (reset sc module)");
40 PrintAndLogEx(NORMAL, " s : active smartcard with select (get ATR)");
8d7d7b61 41 PrintAndLogEx(NORMAL, " t : executes TLV decoder if it possible");
151a33c0 42 PrintAndLogEx(NORMAL, " 0 : use protocol T=0");
8d7d7b61 43 PrintAndLogEx(NORMAL, " d <bytes> : bytes to send");
44 PrintAndLogEx(NORMAL, "");
45 PrintAndLogEx(NORMAL, "Examples:");
6b5105be 46 PrintAndLogEx(NORMAL, " sc raw s 0 d 00a404000e315041592e5359532e4444463031 - `1PAY.SYS.DDF01` PSE directory with get ATR");
43591e64 47 return 0;
48}
8d7d7b61 49
a9104f7e 50static 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
8d7d7b61 61static 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");
43591e64 68 return 0;
69}
8d7d7b61 70
71static 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");
43591e64 78 return 0;
79}
8d7d7b61 80
81static int usage_sm_upgrade(void) {
9f596ec7 82 PrintAndLogEx(NORMAL, "Upgrade RDV4.0 Smartcard Socket Firmware");
8d7d7b61 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:");
9f596ec7 88 PrintAndLogEx(NORMAL, " sc upgrade f SIM010.BIN");
43591e64 89 return 0;
90}
8d7d7b61 91
92static 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");
43591e64 99 return 0;
100}
101
8d7d7b61 102static 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
6b6c3be6 112uint8_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
122int 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
141int 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
160float 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
6b5105be 179static int GetATRDi(uint8_t *atr, size_t atrlen) {
6b6c3be6 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
6b5105be 185static int GetATRFi(uint8_t *atr, size_t atrlen) {
6b6c3be6 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
6b5105be 191static float GetATRF(uint8_t *atr, size_t atrlen) {
6b6c3be6 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
197static int PrintATR(uint8_t *atr, size_t atrlen) {
6b6c3be6 198
199 uint8_t T0 = atr[1];
200 uint8_t K = T0 & 0x0F;
151a33c0 201 uint8_t TD1 = 0, T1len = 0, TD1len = 0, TDilen = 0;
a9104f7e 202 bool protocol_T0_present = true;
203 bool protocol_T15_present = false;
6b6c3be6 204
205 if (T0 & 0x10) {
151a33c0 206 PrintAndLog("\t- TA1 (Maximum clock frequency, proposed bit duration) [ 0x%02x ]", atr[2 + T1len]);
6b6c3be6 207 T1len++;
208 }
151a33c0 209
6b6c3be6 210 if (T0 & 0x20) {
151a33c0 211 PrintAndLog("\t- TB1 (Deprecated: VPP requirements) [ 0x%02x ]", atr[2 + T1len]);
6b6c3be6 212 T1len++;
213 }
151a33c0 214
6b6c3be6 215 if (T0 & 0x40) {
151a33c0 216 PrintAndLog("\t- TC1 (Extra delay between bytes required by card) [ 0x%02x ]", atr[2 + T1len]);
6b6c3be6 217 T1len++;
218 }
151a33c0 219
6b6c3be6 220 if (T0 & 0x80) {
221 TD1 = atr[2 + T1len];
151a33c0 222 PrintAndLog("\t- TD1 (First offered transmission protocol, presence of TA2..TD2) [ 0x%02x ] Protocol T%d", TD1, TD1 & 0x0f);
a9104f7e 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
6b6c3be6 231 T1len++;
232
233 if (TD1 & 0x10) {
151a33c0 234 PrintAndLog("\t- TA2 (Specific protocol and parameters to be used after the ATR) [ 0x%02x ]", atr[2 + T1len + TD1len]);
6b6c3be6 235 TD1len++;
236 }
237 if (TD1 & 0x20) {
151a33c0 238 PrintAndLog("\t- TB2 (Deprecated: VPP precise voltage requirement) [ 0x%02x ]", atr[2 + T1len + TD1len]);
6b6c3be6 239 TD1len++;
240 }
241 if (TD1 & 0x40) {
151a33c0 242 PrintAndLog("\t- TC2 (Maximum waiting time for protocol T=0) [ 0x%02x ]", atr[2 + T1len + TD1len]);
6b6c3be6 243 TD1len++;
244 }
245 if (TD1 & 0x80) {
246 uint8_t TDi = atr[2 + T1len + TD1len];
151a33c0 247 PrintAndLog("\t- TD2 (A supported protocol or more global parameters, presence of TA3..TD3) [ 0x%02x ] Protocol T%d", TDi, TDi & 0x0f);
a9104f7e 248 if ((TDi & 0x0f) == 0) {
249 protocol_T0_present = true;
250 }
251 if ((TDi & 0x0f) == 15) {
252 protocol_T15_present = true;
253 }
6b6c3be6 254 TD1len++;
255
256 bool nextCycle = true;
257 uint8_t vi = 3;
258 while (nextCycle) {
259 nextCycle = false;
260 if (TDi & 0x10) {
151a33c0 261 PrintAndLog("\t- TA%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
6b6c3be6 262 TDilen++;
263 }
264 if (TDi & 0x20) {
151a33c0 265 PrintAndLog("\t- TB%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
6b6c3be6 266 TDilen++;
267 }
268 if (TDi & 0x40) {
151a33c0 269 PrintAndLog("\t- TC%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]);
6b6c3be6 270 TDilen++;
271 }
272 if (TDi & 0x80) {
273 TDi = atr[2 + T1len + TD1len + TDilen];
151a33c0 274 PrintAndLog("\t- TD%d [ 0x%02x ] Protocol T%d", vi, TDi, TDi & 0x0f);
6b6c3be6 275 TDilen++;
276
277 nextCycle = true;
278 vi++;
279 }
280 }
281 }
282 }
283
a9104f7e 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 }
151a33c0 294
151a33c0 295 if (atr[0] != 0x3b)
296 PrintAndLogEx(WARNING, "Not a direct convention [ 0x%02x ]", atr[0]);
297
6b6c3be6 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);
6b6c3be6 302
6b6c3be6 303 if (K > 0)
a9104f7e 304 PrintAndLogEx(INFO, "\nHistorical bytes | len %02d | format %02x", K, atr[2 + T1len + TD1len + TDilen]);
151a33c0 305
6b6c3be6 306 if (K > 1) {
151a33c0 307 PrintAndLogEx(INFO, "\tHistorical bytes");
6b6c3be6 308 dump_buffer(&atr[2 + T1len + TD1len + TDilen], K, NULL, 1);
309 }
310
311 return 0;
312}
313
0b6efd01 314bool smart_getATR(smart_card_atr_t *card)
a9104f7e 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;
8d7d7b61 334 }
a9104f7e 335}
8d7d7b61 336
a9104f7e 337static bool smart_select(bool silent) {
338
339 smart_card_atr_t card;
340 if (!smart_getATR(&card)) {
8d7d7b61 341 if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
342 return false;
343 }
344
345 if (!silent) {
8d7d7b61 346 PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
347 }
348
349 return true;
350}
351
8d7d7b61 352
6b5105be 353static 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);
151a33c0 359 } else {
6b5105be 360 UsbCommand c = {CMD_SMART_RAW, {flags, data_len, 0}};
361 memcpy(c.d.asBytes, data, data_len);
362 SendCommand(&c);
8d7d7b61 363
6b5105be 364 if (!WaitForResponseTimeout(CMD_ACK, &c, 2500)) {
365 PrintAndLogEx(WARNING, "smart card response timeout");
366 *response_len = -1;
367 return;
368 }
8d7d7b61 369
6b5105be 370 *response_len = c.arg[0];
371 if (*response_len > 0) {
372 memcpy(response, c.d.asBytes, *response_len);
373 }
8d7d7b61 374 }
375
6b5105be 376 if (*response_len <= 0) {
377 PrintAndLogEx(WARNING, "smart card response failed");
378 *response_len = -2;
379 return;
6b6c3be6 380 }
8d7d7b61 381
6b5105be 382 if (*response_len < 2) {
383 // PrintAndLogEx(SUCCESS, "R-TPDU %02X | ", response[0]);
384 return;
6b6c3be6 385 }
386
6b5105be 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]));
8d7d7b61 389}
390
a9104f7e 391
6b5105be 392static int CmdSmartSelect(const char *Cmd)
393{
a9104f7e 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
6b5105be 417
418static int CmdSmartRaw(const char *Cmd) {
43591e64 419
420 int hexlen = 0;
421 bool active = false;
422 bool active_select = false;
151a33c0 423 bool useT0 = false;
43591e64 424 uint8_t cmdp = 0;
425 bool errors = false, reply = true, decodeTLV = false, breakloop = false;
6b5105be 426 uint8_t data[ISO7816_MAX_FRAME_SIZE] = {0x00};
43591e64 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;
151a33c0 447 case '0':
448 useT0 = true;
449 cmdp++;
450 break;
43591e64 451 case 'd': {
452 switch (param_gethex_to_eol(Cmd, cmdp+1, data, sizeof(data), &hexlen)) {
453 case 1:
8d7d7b61 454 PrintAndLogEx(WARNING, "Invalid HEX value.");
43591e64 455 return 1;
456 case 2:
8d7d7b61 457 PrintAndLogEx(WARNING, "Too many bytes. Max %d bytes", sizeof(data));
43591e64 458 return 1;
459 case 3:
8d7d7b61 460 PrintAndLogEx(WARNING, "Hex must have even number of digits.");
43591e64 461 return 1;
462 }
463 cmdp++;
464 breakloop = true;
465 break;
466 }
467 default:
8d7d7b61 468 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
43591e64 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
6b5105be 480 uint32_t flags = 0;
481 uint32_t protocol = 0;
43591e64 482 if (active || active_select) {
6b5105be 483 flags |= SC_CONNECT;
6b6c3be6 484 if (active_select)
6b5105be 485 flags |= SC_SELECT;
6b6c3be6 486 }
43591e64 487 if (hexlen > 0) {
151a33c0 488 if (useT0)
6b5105be 489 protocol = SC_RAW_T0;
151a33c0 490 else
6b5105be 491 protocol = SC_RAW;
43591e64 492 }
6b5105be 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);
43591e64 503
504 // reading response from smart card
505 if ( reply ) {
6b5105be 506 if ( response_len < 0 ) {
507 free(response);
8d7d7b61 508 return 2;
43591e64 509 }
43591e64 510
6b5105be 511 if ( response[0] == 0x6C ) {
512 data[4] = response[1];
513 smart_transmit(data, hexlen, protocol, response, &response_len, ISO7816_MAX_FRAME_SIZE);
8d7d7b61 514 data[4] = 0;
43591e64 515 }
516
6b5105be 517 if (decodeTLV && response_len > 4)
518 TLVPrintFromBuffer(response, response_len-2);
43591e64 519
6b5105be 520 free(response);
8d7d7b61 521 }
522 return 0;
523}
43591e64 524
6b5105be 525
526int 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;
43591e64 531
8d7d7b61 532 if (activateCard)
533 smart_select(false);
43591e64 534
6b5105be 535 uint32_t flags = SC_RAW_T0;
8d7d7b61 536 if (activateCard) {
6b5105be 537 flags |= SC_SELECT | SC_CONNECT;
43591e64 538 }
6b5105be 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;
8d7d7b61 570 }
571
6b5105be 572 if (*responselen < 0 ) {
4cdd63b2 573 return 1;
6b5105be 574 } else {
575 return 0;
6b6c3be6 576 }
43591e64 577}
578
8d7d7b61 579
6b5105be 580static int CmdSmartUpgrade(const char *Cmd) {
43591e64 581
9f596ec7 582 PrintAndLogEx(NORMAL, "");
583 PrintAndLogEx(WARNING, "WARNING - RDV4.0 Smartcard Socket Firmware upgrade.");
8d7d7b61 584 PrintAndLogEx(WARNING, "A dangerous command, do wrong and you will brick the smart card socket");
9f596ec7 585 PrintAndLogEx(NORMAL, "");
43591e64 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 ) {
8d7d7b61 597 PrintAndLogEx(FAILED, "Filename too long");
43591e64 598 errors = true;
599 break;
600 }
601 cmdp += 2;
602 break;
603 case 'h':
604 return usage_sm_upgrade();
605 default:
8d7d7b61 606 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
43591e64 607 errors = true;
608 break;
609 }
610 }
611
612 //Validations
613 if (errors || cmdp == 0 ) return usage_sm_upgrade();
614
9f596ec7 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
d3c60657 629 char sha512filename[FILE_PATH_SIZE] = {'\0'};
9f596ec7 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 ) {
d3c60657 640 memcpy(sha512filename, filename, strlen(filename) - strlen("bin"));
9f596ec7 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");
8d7d7b61 659 if ( !f ){
9f596ec7 660 PrintAndLogEx(FAILED, "Firmware file not found or locked.");
43591e64 661 return 1;
662 }
663
664 // get filesize in order to malloc memory
665 fseek(f, 0, SEEK_END);
9f596ec7 666 size_t fsize = ftell(f);
43591e64 667 fseek(f, 0, SEEK_SET);
668
9f596ec7 669 if (fsize < 0) {
670 PrintAndLogEx(FAILED, "Could not determine size of firmware file");
43591e64 671 fclose(f);
672 return 1;
673 }
8d7d7b61 674
43591e64 675 uint8_t *dump = calloc(fsize, sizeof(uint8_t));
676 if (!dump) {
9f596ec7 677 PrintAndLogEx(FAILED, "Could not allocate memory for firmware");
43591e64 678 fclose(f);
679 return 1;
680 }
681
9f596ec7 682 size_t firmware_size = fread(dump, 1, fsize, f);
43591e64 683 if (f)
684 fclose(f);
685
9f596ec7 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
43591e64 736 //Send to device
737 uint32_t index = 0;
738 uint32_t bytes_sent = 0;
9f596ec7 739 uint32_t bytes_remaining = firmware_size;
43591e64 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) ) {
8d7d7b61 751 PrintAndLogEx(WARNING, "timeout while waiting for reply.");
43591e64 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");
9f596ec7 762 PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware updating, don\'t turn off your PM3!");
43591e64 763
764 // trigger the firmware upgrade
9f596ec7 765 UsbCommand c = {CMD_SMART_UPGRADE, {firmware_size, 0, 0}};
43591e64 766 clearCommandBuffer();
767 SendCommand(&c);
768 UsbCommand resp;
769 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
8d7d7b61 770 PrintAndLogEx(WARNING, "timeout while waiting for reply.");
43591e64 771 return 1;
772 }
8d7d7b61 773 if ( (resp.arg[0] & 0xFF ) )
9f596ec7 774 PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware upgraded successful");
43591e64 775 else
9f596ec7 776 PrintAndLogEx(FAILED, "RDV4.0 Smartcard Socket Firmware Upgrade failed");
43591e64 777 return 0;
778}
779
6b5105be 780
781static int CmdSmartInfo(const char *Cmd){
43591e64 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();
8d7d7b61 788 case 's':
43591e64 789 silent = true;
790 break;
791 default:
8d7d7b61 792 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
43591e64 793 errors = true;
794 break;
795 }
796 cmdp++;
797 }
798
799 //Validations
800 if (errors ) return usage_sm_info();
801
a9104f7e 802 smart_card_atr_t card;
803 if (!smart_getATR(&card)) {
8d7d7b61 804 if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
43591e64 805 return 1;
806 }
0b6efd01
OM
807
808 if (!card.atr_len) {
809 if (!silent) PrintAndLogEx(ERR, "can't get ATR from a smart card");
810 return 1;
811 }
43591e64 812
43591e64 813 // print header
151a33c0 814 PrintAndLogEx(INFO, "--- Smartcard Information ---------");
8d7d7b61 815 PrintAndLogEx(INFO, "-------------------------------------------------------------");
151a33c0 816 PrintAndLogEx(INFO, "ISO7618-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
817 PrintAndLogEx(INFO, "\nhttp://smartcard-atr.appspot.com/parse?ATR=%s", sprint_hex_inrow(card.atr, card.atr_len) );
6b6c3be6 818
819 // print ATR
820 PrintAndLogEx(NORMAL, "");
151a33c0 821 PrintAndLogEx(INFO, "ATR");
6b6c3be6 822 PrintATR(card.atr, card.atr_len);
823
824 // print D/F (brom byte TA1 or defaults)
825 PrintAndLogEx(NORMAL, "");
151a33c0 826 PrintAndLogEx(INFO, "D/F (TA1)");
6b6c3be6 827 int Di = GetATRDi(card.atr, card.atr_len);
828 int Fi = GetATRFi(card.atr, card.atr_len);
829 float F = GetATRF(card.atr, card.atr_len);
830 if (GetATRTA1(card.atr, card.atr_len) == 0x11)
831 PrintAndLogEx(INFO, "Using default values...");
832
151a33c0 833 PrintAndLogEx(NORMAL, "\t- Di=%d", Di);
834 PrintAndLogEx(NORMAL, "\t- Fi=%d", Fi);
835 PrintAndLogEx(NORMAL, "\t- F=%.1f MHz", F);
836
837 if (Di && Fi) {
838 PrintAndLogEx(NORMAL, "\t- Cycles/ETU=%d", Fi/Di);
839 PrintAndLogEx(NORMAL, "\t- %.1f bits/sec at 4MHz", (float)4000000 / (Fi/Di));
840 PrintAndLogEx(NORMAL, "\t- %.1f bits/sec at Fmax=%.1fMHz", (F * 1000000) / (Fi/Di), F);
841 } else {
842 PrintAndLogEx(WARNING, "\t- Di or Fi is RFU.");
843 };
6b6c3be6 844
43591e64 845 return 0;
846}
847
848int CmdSmartReader(const char *Cmd){
849 uint8_t cmdp = 0;
850 bool errors = false, silent = false;
851
852 while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
853 switch (tolower(param_getchar(Cmd, cmdp))) {
854 case 'h': return usage_sm_reader();
8d7d7b61 855 case 's':
43591e64 856 silent = true;
857 break;
858 default:
8d7d7b61 859 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
43591e64 860 errors = true;
861 break;
862 }
863 cmdp++;
864 }
865
866 //Validations
867 if (errors ) return usage_sm_reader();
868
a9104f7e 869 smart_card_atr_t card;
870 if (!smart_getATR(&card)) {
8d7d7b61 871 if (!silent) PrintAndLogEx(WARNING, "smart card select failed");
43591e64 872 return 1;
873 }
8d7d7b61 874
875 PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len));
43591e64 876 return 0;
877}
878
6b5105be 879
880static int CmdSmartSetClock(const char *Cmd){
43591e64 881 uint8_t cmdp = 0;
882 bool errors = false;
883 uint8_t clock = 0;
884 while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
885 switch (tolower(param_getchar(Cmd, cmdp))) {
886 case 'h': return usage_sm_setclock();
8d7d7b61 887 case 'c':
43591e64 888 clock = param_get8ex(Cmd, cmdp+1, 2, 10);
889 if ( clock > 2)
890 errors = true;
8d7d7b61 891
43591e64 892 cmdp += 2;
893 break;
894 default:
8d7d7b61 895 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
43591e64 896 errors = true;
897 break;
898 }
899 }
900
901 //Validations
902 if (errors || cmdp == 0) return usage_sm_setclock();
903
904 UsbCommand c = {CMD_SMART_SETCLOCK, {clock, 0, 0}};
905 clearCommandBuffer();
906 SendCommand(&c);
907 UsbCommand resp;
908 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) {
8d7d7b61 909 PrintAndLogEx(WARNING, "smart card select failed");
43591e64 910 return 1;
911 }
912
913 uint8_t isok = resp.arg[0] & 0xFF;
914 if (!isok) {
8d7d7b61 915 PrintAndLogEx(WARNING, "smart card set clock failed");
43591e64 916 return 1;
917 }
918
919 switch (clock) {
920 case 0:
8d7d7b61 921 PrintAndLogEx(SUCCESS, "Clock changed to 16mhz giving 10800 baudrate");
43591e64 922 break;
923 case 1:
8d7d7b61 924 PrintAndLogEx(SUCCESS, "Clock changed to 8mhz giving 21600 baudrate");
43591e64 925 break;
926 case 2:
8d7d7b61 927 PrintAndLogEx(SUCCESS, "Clock changed to 4mhz giving 86400 baudrate");
43591e64 928 break;
929 default:
930 break;
931 }
932 return 0;
933}
934
6b5105be 935
936static int CmdSmartList(const char *Cmd) {
53fb848a 937 if (UseAlternativeSmartcardReader) {
938 CmdHFList("7816 p");
939 } else {
940 CmdHFList("7816");
941 }
8d7d7b61 942 return 0;
43591e64 943}
944
6b5105be 945
946static int CmdSmartBruteforceSFI(const char *Cmd) {
43591e64 947
8d7d7b61 948 char ctmp = tolower(param_getchar(Cmd, 0));
949 if (ctmp == 'h') return usage_sm_brute();
43591e64 950
8d7d7b61 951 uint8_t data[5] = {0x00, 0xB2, 0x00, 0x00, 0x00};
43591e64 952
8d7d7b61 953 PrintAndLogEx(INFO, "Selecting card");
954 if ( !smart_select(false) ) {
955 return 1;
43591e64 956 }
957
6b5105be 958 PrintAndLogEx(INFO, "Selecting PSE aid");
151a33c0 959 CmdSmartRaw("s 0 t d 00a404000e325041592e5359532e4444463031");
960 CmdSmartRaw("0 t d 00a4040007a000000004101000"); // mastercard
961// CmdSmartRaw("0 t d 00a4040007a0000000031010"); // visa
43591e64 962
8d7d7b61 963 PrintAndLogEx(INFO, "starting");
43591e64 964
6b5105be 965 int response_len = 0;
966 uint8_t* response = malloc(ISO7816_MAX_FRAME_SIZE);
967 if (!response)
8d7d7b61 968 return 1;
43591e64 969
8d7d7b61 970 for (uint8_t i=1; i < 4; i++) {
971 for (int p1=1; p1 < 5; p1++) {
43591e64 972
8d7d7b61 973 data[2] = p1;
974 data[3] = (i << 3) + 4;
43591e64 975
6b5105be 976 smart_transmit(data, sizeof(data), SC_RAW_T0, response, &response_len, ISO7816_MAX_FRAME_SIZE);
43591e64 977
6b5105be 978 if ( response[0] == 0x6C ) {
979 data[4] = response[1];
980 smart_transmit(data, sizeof(data), SC_RAW_T0, response, &response_len, ISO7816_MAX_FRAME_SIZE);
43591e64 981
8d7d7b61 982 // TLV decoder
6b5105be 983 if (response_len > 4)
984 TLVPrintFromBuffer(response+1, response_len-3);
43591e64 985
8d7d7b61 986 data[4] = 0;
43591e64 987 }
6b5105be 988 memset(response, 0x00, ISO7816_MAX_FRAME_SIZE);
43591e64 989 }
990 }
6b5105be 991 free(response);
43591e64 992 return 0;
993}
994
995static command_t CommandTable[] = {
9f596ec7 996 {"help", CmdHelp, 1, "This help"},
a9104f7e 997 {"select", CmdSmartSelect, 1, "Select the Smartcard Reader to use"},
6b5105be 998 {"list", CmdSmartList, 1, "List ISO 7816 history"},
999 {"info", CmdSmartInfo, 1, "Tag information"},
1000 {"reader", CmdSmartReader, 1, "Act like an IS07816 reader"},
1001 {"raw", CmdSmartRaw, 1, "Send raw hex data to tag"},
9f596ec7 1002 {"upgrade", CmdSmartUpgrade, 0, "Upgrade firmware"},
6b5105be 1003 {"setclock", CmdSmartSetClock, 1, "Set clock speed"},
1004 {"brute", CmdSmartBruteforceSFI, 1, "Bruteforce SFI"},
9f596ec7 1005 {NULL, NULL, 0, NULL}
43591e64 1006};
1007
6b5105be 1008
43591e64 1009int CmdSmartcard(const char *Cmd) {
1010 clearCommandBuffer();
1011 CmdsParse(CommandTable, Cmd);
1012 return 0;
1013}
1014
6b5105be 1015
1016static int CmdHelp(const char *Cmd) {
43591e64 1017 CmdsHelp(CommandTable);
1018 return 0;
1019}
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