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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" | |
8d7d7b61 | 21 | #include "cmdhf.h" // CmdHFlist |
22 | #include "emv/apduinfo.h" // APDUcode description | |
23 | #include "emv/emvcore.h" // decodeTVL | |
9f596ec7 | 24 | #include "crypto/libpcrypto.h" // sha512hash |
6b6c3be6 | 25 | #include "emv/dump.h" // dump_buffer |
43591e64 | 26 | |
9f596ec7 | 27 | #define SC_UPGRADE_FILES_DIRECTORY "sc_upgrade_firmware/" |
43591e64 | 28 | |
29 | static int CmdHelp(const char *Cmd); | |
30 | ||
8d7d7b61 | 31 | static int usage_sm_raw(void) { |
32 | PrintAndLogEx(NORMAL, "Usage: sc raw [h|r|c] d <0A 0B 0C ... hex>"); | |
33 | PrintAndLogEx(NORMAL, " h : this help"); | |
34 | PrintAndLogEx(NORMAL, " r : do not read response"); | |
35 | PrintAndLogEx(NORMAL, " a : active smartcard without select"); | |
36 | PrintAndLogEx(NORMAL, " s : active smartcard with select"); | |
37 | PrintAndLogEx(NORMAL, " t : executes TLV decoder if it possible"); | |
38 | PrintAndLogEx(NORMAL, " d <bytes> : bytes to send"); | |
39 | PrintAndLogEx(NORMAL, ""); | |
40 | PrintAndLogEx(NORMAL, "Examples:"); | |
41 | PrintAndLogEx(NORMAL, " sc raw d 00a404000e315041592e5359532e444446303100 - `1PAY.SYS.DDF01` PPSE directory"); | |
42 | PrintAndLogEx(NORMAL, " sc raw d 00a404000e325041592e5359532e444446303100 - `2PAY.SYS.DDF01` PPSE directory"); | |
43591e64 | 43 | return 0; |
44 | } | |
8d7d7b61 | 45 | |
46 | static int usage_sm_reader(void) { | |
47 | PrintAndLogEx(NORMAL, "Usage: sc reader [h|s]"); | |
48 | PrintAndLogEx(NORMAL, " h : this help"); | |
49 | PrintAndLogEx(NORMAL, " s : silent (no messages)"); | |
50 | PrintAndLogEx(NORMAL, ""); | |
51 | PrintAndLogEx(NORMAL, "Examples:"); | |
52 | PrintAndLogEx(NORMAL, " sc reader"); | |
43591e64 | 53 | return 0; |
54 | } | |
8d7d7b61 | 55 | |
56 | static int usage_sm_info(void) { | |
57 | PrintAndLogEx(NORMAL, "Usage: s info [h|s]"); | |
58 | PrintAndLogEx(NORMAL, " h : this help"); | |
59 | PrintAndLogEx(NORMAL, " s : silent (no messages)"); | |
60 | PrintAndLogEx(NORMAL, ""); | |
61 | PrintAndLogEx(NORMAL, "Examples:"); | |
62 | PrintAndLogEx(NORMAL, " sc info"); | |
43591e64 | 63 | return 0; |
64 | } | |
8d7d7b61 | 65 | |
66 | static int usage_sm_upgrade(void) { | |
9f596ec7 | 67 | PrintAndLogEx(NORMAL, "Upgrade RDV4.0 Smartcard Socket Firmware"); |
8d7d7b61 | 68 | PrintAndLogEx(NORMAL, "Usage: sc upgrade f <file name>"); |
69 | PrintAndLogEx(NORMAL, " h : this help"); | |
70 | PrintAndLogEx(NORMAL, " f <filename> : firmware file name"); | |
71 | PrintAndLogEx(NORMAL, ""); | |
72 | PrintAndLogEx(NORMAL, "Examples:"); | |
9f596ec7 | 73 | PrintAndLogEx(NORMAL, " sc upgrade f SIM010.BIN"); |
43591e64 | 74 | return 0; |
75 | } | |
8d7d7b61 | 76 | |
77 | static int usage_sm_setclock(void) { | |
78 | PrintAndLogEx(NORMAL, "Usage: sc setclock [h] c <clockspeed>"); | |
79 | PrintAndLogEx(NORMAL, " h : this help"); | |
80 | PrintAndLogEx(NORMAL, " c <> : clockspeed (0 = 16mhz, 1=8mhz, 2=4mhz) "); | |
81 | PrintAndLogEx(NORMAL, ""); | |
82 | PrintAndLogEx(NORMAL, "Examples:"); | |
83 | PrintAndLogEx(NORMAL, " sc setclock c 2"); | |
43591e64 | 84 | return 0; |
85 | } | |
86 | ||
8d7d7b61 | 87 | static int usage_sm_brute(void) { |
88 | PrintAndLogEx(NORMAL, "Tries to bruteforce SFI, "); | |
89 | PrintAndLogEx(NORMAL, "Usage: sc brute [h]"); | |
90 | PrintAndLogEx(NORMAL, " h : this help"); | |
91 | PrintAndLogEx(NORMAL, ""); | |
92 | PrintAndLogEx(NORMAL, "Examples:"); | |
93 | PrintAndLogEx(NORMAL, " sc brute"); | |
94 | return 0; | |
95 | } | |
96 | ||
6b6c3be6 | 97 | uint8_t GetATRTA1(uint8_t *atr, size_t atrlen) { |
98 | if (atrlen > 2) { | |
99 | uint8_t T0 = atr[1]; | |
100 | if (T0 & 0x10) | |
101 | return atr[2]; | |
102 | } | |
103 | ||
104 | return 0x11; // default value is 0x11, corresponding to fmax=5 MHz, Fi=372, Di=1. | |
105 | } | |
106 | ||
107 | int DiArray[] = { | |
108 | 0, // b0000 RFU | |
109 | 1, // b0001 | |
110 | 2, | |
111 | 4, | |
112 | 8, | |
113 | 16, | |
114 | 32, // b0110 | |
115 | 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 | |
116 | 12, | |
117 | 20, | |
118 | 0, // b1010 RFU | |
119 | 0, | |
120 | 0, // ... | |
121 | 0, | |
122 | 0, | |
123 | 0 // b1111 RFU | |
124 | }; | |
125 | ||
126 | int FiArray[] = { | |
127 | 372, // b0000 Historical note: in ISO/IEC 7816-3:1989, this was assigned to cards with internal clock | |
128 | 372, // b0001 | |
129 | 558, // b0010 | |
130 | 744, // b0011 | |
131 | 1116, // b0100 | |
132 | 1488, // b0101 | |
133 | 1860, // b0110 | |
134 | 0, // b0111 RFU | |
135 | 0, // b1000 RFU | |
136 | 512, // b1001 | |
137 | 768, // b1010 | |
138 | 1024, // b1011 | |
139 | 1536, // b1100 | |
140 | 2048, // b1101 | |
141 | 0, // b1110 RFU | |
142 | 0 // b1111 RFU | |
143 | }; | |
144 | ||
145 | float FArray[] = { | |
146 | 4, // b0000 Historical note: in ISO/IEC 7816-3:1989, this was assigned to cards with internal clock | |
147 | 5, // b0001 | |
148 | 6, // b0010 | |
149 | 8, // b0011 | |
150 | 12, // b0100 | |
151 | 16, // b0101 | |
152 | 20, // b0110 | |
153 | 0, // b0111 RFU | |
154 | 0, // b1000 RFU | |
155 | 5, // b1001 | |
156 | 7.5, // b1010 | |
157 | 10, // b1011 | |
158 | 15, // b1100 | |
159 | 20, // b1101 | |
160 | 0, // b1110 RFU | |
161 | 0 // b1111 RFU | |
162 | }; | |
163 | ||
164 | int GetATRDi(uint8_t *atr, size_t atrlen) { | |
165 | uint8_t TA1 = GetATRTA1(atr, atrlen); | |
166 | ||
167 | return DiArray[TA1 & 0x0f]; // The 4 low-order bits of TA1 (4th MSbit to 1st LSbit) encode Di | |
168 | } | |
169 | ||
170 | int GetATRFi(uint8_t *atr, size_t atrlen) { | |
171 | uint8_t TA1 = GetATRTA1(atr, atrlen); | |
172 | ||
173 | return FiArray[TA1 >> 4]; // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi | |
174 | } | |
175 | ||
176 | float GetATRF(uint8_t *atr, size_t atrlen) { | |
177 | uint8_t TA1 = GetATRTA1(atr, atrlen); | |
178 | ||
179 | return FArray[TA1 >> 4]; // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi | |
180 | } | |
181 | ||
182 | static int PrintATR(uint8_t *atr, size_t atrlen) { | |
183 | uint8_t vxor = 0; | |
184 | for (int i = 1; i < atrlen; i++) | |
185 | vxor ^= atr[i]; | |
186 | ||
187 | if (vxor) | |
188 | PrintAndLogEx(WARNING, "Check summ error. Must be 0 but: 0x%02x", vxor); | |
189 | else | |
190 | PrintAndLogEx(INFO, "Check summ OK."); | |
191 | ||
192 | if (atr[0] != 0x3b) | |
193 | PrintAndLogEx(WARNING, "Not a direct convention: 0x%02x", atr[0]); | |
194 | ||
195 | uint8_t T0 = atr[1]; | |
196 | uint8_t K = T0 & 0x0F; | |
197 | uint8_t TD1 = 0; | |
198 | ||
199 | uint8_t T1len = 0; | |
200 | uint8_t TD1len = 0; | |
201 | uint8_t TDilen = 0; | |
202 | ||
203 | if (T0 & 0x10) { | |
204 | PrintAndLog("TA1 (Maximum clock frequency, proposed bit duration): 0x%02x", atr[2 + T1len]); | |
205 | T1len++; | |
206 | } | |
207 | if (T0 & 0x20) { | |
208 | PrintAndLog("TB1 (Deprecated: VPP requirements): 0x%02x", atr[2 + T1len]); | |
209 | T1len++; | |
210 | } | |
211 | if (T0 & 0x40) { | |
212 | PrintAndLog("TC1 (Extra delay between bytes required by card): 0x%02x", atr[2 + T1len]); | |
213 | T1len++; | |
214 | } | |
215 | if (T0 & 0x80) { | |
216 | TD1 = atr[2 + T1len]; | |
217 | PrintAndLog("TD1 (First offered transmission protocol, presence of TA2..TD2): 0x%02x. Protocol T=%d", TD1, TD1 & 0x0f); | |
218 | T1len++; | |
219 | ||
220 | if (TD1 & 0x10) { | |
221 | PrintAndLog("TA2 (Specific protocol and parameters to be used after the ATR): 0x%02x", atr[2 + T1len + TD1len]); | |
222 | TD1len++; | |
223 | } | |
224 | if (TD1 & 0x20) { | |
225 | PrintAndLog("TB2 (Deprecated: VPP precise voltage requirement): 0x%02x", atr[2 + T1len + TD1len]); | |
226 | TD1len++; | |
227 | } | |
228 | if (TD1 & 0x40) { | |
229 | PrintAndLog("TC2 (Maximum waiting time for protocol T=0): 0x%02x", atr[2 + T1len + TD1len]); | |
230 | TD1len++; | |
231 | } | |
232 | if (TD1 & 0x80) { | |
233 | uint8_t TDi = atr[2 + T1len + TD1len]; | |
234 | PrintAndLog("TD2 (A supported protocol or more global parameters, presence of TA3..TD3): 0x%02x. Protocol T=%d", TDi, TDi & 0x0f); | |
235 | TD1len++; | |
236 | ||
237 | bool nextCycle = true; | |
238 | uint8_t vi = 3; | |
239 | while (nextCycle) { | |
240 | nextCycle = false; | |
241 | if (TDi & 0x10) { | |
242 | PrintAndLog("TA%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]); | |
243 | TDilen++; | |
244 | } | |
245 | if (TDi & 0x20) { | |
246 | PrintAndLog("TB%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]); | |
247 | TDilen++; | |
248 | } | |
249 | if (TDi & 0x40) { | |
250 | PrintAndLog("TC%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]); | |
251 | TDilen++; | |
252 | } | |
253 | if (TDi & 0x80) { | |
254 | TDi = atr[2 + T1len + TD1len + TDilen]; | |
255 | PrintAndLog("TD%d: 0x%02x. Protocol T=%d", vi, TDi, TDi & 0x0f); | |
256 | TDilen++; | |
257 | ||
258 | nextCycle = true; | |
259 | vi++; | |
260 | } | |
261 | } | |
262 | } | |
263 | } | |
264 | ||
265 | uint8_t calen = 2 + T1len + TD1len + TDilen + K; | |
266 | ||
267 | if (atrlen != calen && atrlen != calen + 1) // may be CRC | |
268 | PrintAndLogEx(ERR, "ATR length error. len: %d, T1len: %d, TD1len: %d, TDilen: %d, K: %d", atrlen, T1len, TD1len, TDilen, K); | |
269 | else | |
270 | PrintAndLogEx(INFO, "ATR length OK."); | |
271 | ||
272 | PrintAndLog("Historical bytes len: 0x%02x", K); | |
273 | if (K > 0) | |
274 | PrintAndLog("The format of historical bytes: %02x", atr[2 + T1len + TD1len + TDilen]); | |
275 | if (K > 1) { | |
276 | PrintAndLog("Historical bytes:"); | |
277 | dump_buffer(&atr[2 + T1len + TD1len + TDilen], K, NULL, 1); | |
278 | } | |
279 | ||
280 | return 0; | |
281 | } | |
282 | ||
283 | ||
8d7d7b61 | 284 | static bool smart_select(bool silent) { |
285 | UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}}; | |
286 | clearCommandBuffer(); | |
287 | SendCommand(&c); | |
288 | UsbCommand resp; | |
289 | if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) { | |
290 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); | |
291 | return false; | |
292 | } | |
293 | ||
294 | uint8_t isok = resp.arg[0] & 0xFF; | |
295 | if (!isok) { | |
296 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); | |
297 | return false; | |
298 | } | |
299 | ||
300 | if (!silent) { | |
301 | smart_card_atr_t card; | |
302 | memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t)); | |
303 | ||
304 | PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len)); | |
305 | } | |
306 | ||
307 | return true; | |
308 | } | |
309 | ||
310 | static int smart_wait(uint8_t *data) { | |
311 | UsbCommand resp; | |
312 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)) { | |
313 | PrintAndLogEx(WARNING, "smart card response failed"); | |
314 | return -1; | |
315 | } | |
316 | ||
317 | uint32_t len = resp.arg[0]; | |
318 | if ( !len ) { | |
319 | PrintAndLogEx(WARNING, "smart card response failed"); | |
320 | return -2; | |
321 | } | |
322 | memcpy(data, resp.d.asBytes, len); | |
323 | PrintAndLogEx(SUCCESS, " %d | %s", len, sprint_hex_inrow_ex(data, len, 32)); | |
324 | ||
325 | if (len >= 2) { | |
326 | PrintAndLogEx(SUCCESS, "%02X%02X | %s", data[len - 2], data[len - 1], GetAPDUCodeDescription(data[len - 2], data[len - 1])); | |
327 | } | |
328 | return len; | |
329 | } | |
330 | ||
6b6c3be6 | 331 | static int smart_response(uint8_t apduINS, uint8_t *data) { |
8d7d7b61 | 332 | |
8d7d7b61 | 333 | int datalen = smart_wait(data); |
6b6c3be6 | 334 | bool needGetData = false; |
8d7d7b61 | 335 | |
6b6c3be6 | 336 | if (datalen < 2 ) { |
337 | goto out; | |
8d7d7b61 | 338 | } |
339 | ||
6b6c3be6 | 340 | if (datalen > 2 && data[0] != apduINS) { |
341 | PrintAndLogEx(ERR, "Card ACK error. len=0x%x data[0]=%02x", datalen, data[0]); | |
342 | datalen = 0; | |
8d7d7b61 | 343 | goto out; |
344 | } | |
345 | ||
6b6c3be6 | 346 | if ( data[datalen - 2] == 0x61 || data[datalen - 2] == 0x9F ) { |
347 | needGetData = true; | |
348 | } | |
8d7d7b61 | 349 | |
6b6c3be6 | 350 | if (needGetData) { |
351 | int len = data[datalen - 1]; | |
352 | PrintAndLogEx(INFO, "Requesting response. len=0x%x", len); | |
353 | uint8_t getstatus[] = {ISO7816_GETSTATUS, 0x00, 0x00, len}; | |
354 | UsbCommand cStatus = {CMD_SMART_RAW, {SC_RAW, sizeof(getstatus), 0}}; | |
355 | memcpy(cStatus.d.asBytes, getstatus, sizeof(getstatus) ); | |
356 | clearCommandBuffer(); | |
357 | SendCommand(&cStatus); | |
358 | ||
359 | datalen = smart_wait(data); | |
360 | ||
361 | if (datalen < 2 ) { | |
362 | goto out; | |
363 | } | |
364 | if (datalen > 2 && data[0] != ISO7816_GETSTATUS) { | |
365 | PrintAndLogEx(ERR, "GetResponse ACK error. len=0x%x data[0]=%02x", len, data[0]); | |
366 | datalen = 0; | |
367 | goto out; | |
368 | } | |
8d7d7b61 | 369 | |
6b6c3be6 | 370 | if (datalen != len + 2 + 1) { // 2 - response, 1 - ACK |
371 | PrintAndLogEx(WARNING, "GetResponse wrong length. Must be: 0x%02x but: 0x%02x", len, datalen - 3); | |
372 | } | |
373 | } | |
374 | ||
375 | if (datalen > 2) { | |
376 | datalen--; | |
377 | memmove(data, &data[1], datalen); | |
378 | } | |
379 | out: | |
8d7d7b61 | 380 | return datalen; |
381 | } | |
382 | ||
43591e64 | 383 | int CmdSmartRaw(const char *Cmd) { |
384 | ||
385 | int hexlen = 0; | |
386 | bool active = false; | |
387 | bool active_select = false; | |
388 | uint8_t cmdp = 0; | |
389 | bool errors = false, reply = true, decodeTLV = false, breakloop = false; | |
390 | uint8_t data[USB_CMD_DATA_SIZE] = {0x00}; | |
391 | ||
392 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { | |
393 | switch (tolower(param_getchar(Cmd, cmdp))) { | |
394 | case 'h': return usage_sm_raw(); | |
395 | case 'r': | |
396 | reply = false; | |
397 | cmdp++; | |
398 | break; | |
399 | case 'a': | |
400 | active = true; | |
401 | cmdp++; | |
402 | break; | |
403 | case 's': | |
404 | active_select = true; | |
405 | cmdp++; | |
406 | break; | |
407 | case 't': | |
408 | decodeTLV = true; | |
409 | cmdp++; | |
410 | break; | |
411 | case 'd': { | |
412 | switch (param_gethex_to_eol(Cmd, cmdp+1, data, sizeof(data), &hexlen)) { | |
413 | case 1: | |
8d7d7b61 | 414 | PrintAndLogEx(WARNING, "Invalid HEX value."); |
43591e64 | 415 | return 1; |
416 | case 2: | |
8d7d7b61 | 417 | PrintAndLogEx(WARNING, "Too many bytes. Max %d bytes", sizeof(data)); |
43591e64 | 418 | return 1; |
419 | case 3: | |
8d7d7b61 | 420 | PrintAndLogEx(WARNING, "Hex must have even number of digits."); |
43591e64 | 421 | return 1; |
422 | } | |
423 | cmdp++; | |
424 | breakloop = true; | |
425 | break; | |
426 | } | |
427 | default: | |
8d7d7b61 | 428 | PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp)); |
43591e64 | 429 | errors = true; |
430 | break; | |
431 | } | |
432 | ||
433 | if ( breakloop ) | |
434 | break; | |
435 | } | |
436 | ||
437 | //Validations | |
438 | if (errors || cmdp == 0 ) return usage_sm_raw(); | |
439 | ||
440 | // arg0 = RFU flags | |
441 | // arg1 = length | |
442 | UsbCommand c = {CMD_SMART_RAW, {0, hexlen, 0}}; | |
443 | ||
444 | if (active || active_select) { | |
6b6c3be6 | 445 | c.arg[0] |= SC_CONNECT; |
446 | if (active_select) | |
447 | c.arg[0] |= SC_SELECT; | |
448 | } | |
43591e64 | 449 | |
450 | if (hexlen > 0) { | |
6b6c3be6 | 451 | c.arg[0] |= SC_RAW; |
43591e64 | 452 | } |
453 | ||
454 | memcpy(c.d.asBytes, data, hexlen ); | |
455 | clearCommandBuffer(); | |
456 | SendCommand(&c); | |
457 | ||
458 | // reading response from smart card | |
459 | if ( reply ) { | |
8d7d7b61 | 460 | |
461 | uint8_t* buf = calloc(USB_CMD_DATA_SIZE, sizeof(uint8_t)); | |
462 | if ( !buf ) | |
43591e64 | 463 | return 1; |
8d7d7b61 | 464 | |
6b6c3be6 | 465 | int len = smart_response(data[1], buf); |
8d7d7b61 | 466 | if ( len < 0 ) { |
467 | free(buf); | |
468 | return 2; | |
43591e64 | 469 | } |
43591e64 | 470 | |
8d7d7b61 | 471 | if ( buf[0] == 0x6C ) { |
9f596ec7 | 472 | data[4] = buf[1]; |
8d7d7b61 | 473 | |
474 | memcpy(c.d.asBytes, data, sizeof(data) ); | |
475 | clearCommandBuffer(); | |
476 | SendCommand(&c); | |
6b6c3be6 | 477 | len = smart_response(data[1], buf); |
8d7d7b61 | 478 | |
479 | data[4] = 0; | |
43591e64 | 480 | } |
481 | ||
8d7d7b61 | 482 | if (decodeTLV && len > 4) |
483 | TLVPrintFromBuffer(buf+1, len-3); | |
43591e64 | 484 | |
8d7d7b61 | 485 | free(buf); |
486 | } | |
487 | return 0; | |
488 | } | |
43591e64 | 489 | |
8d7d7b61 | 490 | int ExchangeAPDUSC(uint8_t *datain, int datainlen, bool activateCard, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) { |
491 | *dataoutlen = 0; | |
43591e64 | 492 | |
8d7d7b61 | 493 | if (activateCard) |
494 | smart_select(false); | |
495 | printf("* APDU SC\n"); | |
43591e64 | 496 | |
8d7d7b61 | 497 | UsbCommand c = {CMD_SMART_RAW, {SC_RAW | SC_CONNECT, datainlen, 0}}; |
498 | if (activateCard) { | |
499 | c.arg[0] |= SC_SELECT; | |
43591e64 | 500 | } |
8d7d7b61 | 501 | memcpy(c.d.asBytes, datain, datainlen); |
502 | clearCommandBuffer(); | |
503 | SendCommand(&c); | |
504 | ||
6b6c3be6 | 505 | int len = smart_response(datain[1], dataout); |
8d7d7b61 | 506 | |
507 | if ( len < 0 ) { | |
508 | return 2; | |
509 | } | |
510 | ||
6b6c3be6 | 511 | |
512 | // retry | |
513 | if (len > 1 && dataout[len - 2] == 0x6c && datainlen > 4) { | |
514 | UsbCommand c2 = {CMD_SMART_RAW, {SC_RAW, datainlen, 0}}; | |
515 | memcpy(c2.d.asBytes, datain, datainlen); | |
516 | ||
517 | int vlen = 5 + datain[4]; | |
518 | if (datainlen == vlen) | |
519 | datainlen++; | |
520 | ||
521 | c2.d.asBytes[vlen] = dataout[len - 1]; | |
522 | ||
523 | clearCommandBuffer(); | |
524 | SendCommand(&c2); | |
525 | ||
526 | len = smart_response(datain[1], dataout); | |
527 | } | |
8d7d7b61 | 528 | *dataoutlen = len; |
529 | ||
43591e64 | 530 | return 0; |
531 | } | |
532 | ||
8d7d7b61 | 533 | |
43591e64 | 534 | int CmdSmartUpgrade(const char *Cmd) { |
535 | ||
9f596ec7 | 536 | PrintAndLogEx(NORMAL, ""); |
537 | PrintAndLogEx(WARNING, "WARNING - RDV4.0 Smartcard Socket Firmware upgrade."); | |
8d7d7b61 | 538 | PrintAndLogEx(WARNING, "A dangerous command, do wrong and you will brick the smart card socket"); |
9f596ec7 | 539 | PrintAndLogEx(NORMAL, ""); |
43591e64 | 540 | |
541 | FILE *f; | |
542 | char filename[FILE_PATH_SIZE] = {0}; | |
543 | uint8_t cmdp = 0; | |
544 | bool errors = false; | |
545 | ||
546 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { | |
547 | switch (tolower(param_getchar(Cmd, cmdp))) { | |
548 | case 'f': | |
549 | //File handling and reading | |
550 | if ( param_getstr(Cmd, cmdp+1, filename, FILE_PATH_SIZE) >= FILE_PATH_SIZE ) { | |
8d7d7b61 | 551 | PrintAndLogEx(FAILED, "Filename too long"); |
43591e64 | 552 | errors = true; |
553 | break; | |
554 | } | |
9f596ec7 | 555 | |
43591e64 | 556 | cmdp += 2; |
557 | break; | |
558 | case 'h': | |
559 | return usage_sm_upgrade(); | |
560 | default: | |
8d7d7b61 | 561 | PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp)); |
43591e64 | 562 | errors = true; |
563 | break; | |
564 | } | |
565 | } | |
566 | ||
567 | //Validations | |
568 | if (errors || cmdp == 0 ) return usage_sm_upgrade(); | |
569 | ||
9f596ec7 | 570 | if (strchr(filename, '\\') || strchr(filename, '/')) { |
571 | PrintAndLogEx(FAILED, "Filename must not contain \\ or /. Firmware file will be found in client/sc_upgrade_firmware directory."); | |
572 | return 1; | |
573 | } | |
574 | ||
575 | char sc_upgrade_file_path[strlen(get_my_executable_directory()) + strlen(SC_UPGRADE_FILES_DIRECTORY) + strlen(filename) + 1]; | |
576 | strcpy(sc_upgrade_file_path, get_my_executable_directory()); | |
577 | strcat(sc_upgrade_file_path, SC_UPGRADE_FILES_DIRECTORY); | |
578 | strcat(sc_upgrade_file_path, filename); | |
579 | if (strlen(sc_upgrade_file_path) >= FILE_PATH_SIZE ) { | |
580 | PrintAndLogEx(FAILED, "Filename too long"); | |
581 | return 1; | |
582 | } | |
583 | ||
584 | char sha512filename[FILE_PATH_SIZE]; | |
585 | char *bin_extension = filename; | |
586 | char *dot_position = NULL; | |
587 | while ((dot_position = strchr(bin_extension, '.')) != NULL) { | |
588 | bin_extension = dot_position + 1; | |
589 | } | |
590 | if (!strcmp(bin_extension, "BIN") | |
591 | #ifdef _WIN32 | |
592 | || !strcmp(bin_extension, "bin") | |
593 | #endif | |
594 | ) { | |
595 | strncpy(sha512filename, filename, strlen(filename) - strlen("bin")); | |
596 | strcat(sha512filename, "sha512.txt"); | |
597 | } else { | |
598 | PrintAndLogEx(FAILED, "Filename extension of Firmware Upgrade File must be .BIN"); | |
599 | return 1; | |
600 | } | |
601 | ||
602 | PrintAndLogEx(INFO, "Checking integrity using SHA512 File %s ...", sha512filename); | |
603 | char sc_upgrade_sha512file_path[strlen(get_my_executable_directory()) + strlen(SC_UPGRADE_FILES_DIRECTORY) + strlen(sha512filename) + 1]; | |
604 | strcpy(sc_upgrade_sha512file_path, get_my_executable_directory()); | |
605 | strcat(sc_upgrade_sha512file_path, SC_UPGRADE_FILES_DIRECTORY); | |
606 | strcat(sc_upgrade_sha512file_path, sha512filename); | |
607 | if (strlen(sc_upgrade_sha512file_path) >= FILE_PATH_SIZE ) { | |
608 | PrintAndLogEx(FAILED, "Filename too long"); | |
609 | return 1; | |
610 | } | |
611 | ||
612 | // load firmware file | |
613 | f = fopen(sc_upgrade_file_path, "rb"); | |
8d7d7b61 | 614 | if ( !f ){ |
9f596ec7 | 615 | PrintAndLogEx(FAILED, "Firmware file not found or locked."); |
43591e64 | 616 | return 1; |
617 | } | |
618 | ||
619 | // get filesize in order to malloc memory | |
620 | fseek(f, 0, SEEK_END); | |
9f596ec7 | 621 | size_t fsize = ftell(f); |
43591e64 | 622 | fseek(f, 0, SEEK_SET); |
623 | ||
9f596ec7 | 624 | if (fsize < 0) { |
625 | PrintAndLogEx(FAILED, "Could not determine size of firmware file"); | |
43591e64 | 626 | fclose(f); |
627 | return 1; | |
628 | } | |
8d7d7b61 | 629 | |
43591e64 | 630 | uint8_t *dump = calloc(fsize, sizeof(uint8_t)); |
631 | if (!dump) { | |
9f596ec7 | 632 | PrintAndLogEx(FAILED, "Could not allocate memory for firmware"); |
43591e64 | 633 | fclose(f); |
634 | return 1; | |
635 | } | |
636 | ||
9f596ec7 | 637 | size_t firmware_size = fread(dump, 1, fsize, f); |
43591e64 | 638 | if (f) |
639 | fclose(f); | |
640 | ||
9f596ec7 | 641 | // load sha512 file |
642 | f = fopen(sc_upgrade_sha512file_path, "rb"); | |
643 | if ( !f ){ | |
644 | PrintAndLogEx(FAILED, "SHA-512 file not found or locked."); | |
645 | return 1; | |
646 | } | |
647 | ||
648 | // get filesize in order to malloc memory | |
649 | fseek(f, 0, SEEK_END); | |
650 | fsize = ftell(f); | |
651 | fseek(f, 0, SEEK_SET); | |
652 | ||
653 | if (fsize < 0) { | |
654 | PrintAndLogEx(FAILED, "Could not determine size of SHA-512 file"); | |
655 | fclose(f); | |
656 | return 1; | |
657 | } | |
658 | ||
659 | if (fsize < 128) { | |
660 | PrintAndLogEx(FAILED, "SHA-512 file too short"); | |
661 | fclose(f); | |
662 | return 1; | |
663 | } | |
664 | ||
665 | char hashstring[129]; | |
666 | size_t bytes_read = fread(hashstring, 1, 128, f); | |
667 | hashstring[128] = '\0'; | |
668 | ||
669 | if (f) | |
670 | fclose(f); | |
671 | ||
672 | uint8_t hash1[64]; | |
673 | if (bytes_read != 128 || param_gethex(hashstring, 0, hash1, 128)) { | |
674 | PrintAndLogEx(FAILED, "Couldn't read SHA-512 file"); | |
675 | return 1; | |
676 | } | |
677 | ||
678 | uint8_t hash2[64]; | |
679 | if (sha512hash(dump, firmware_size, hash2)) { | |
680 | PrintAndLogEx(FAILED, "Couldn't calculate SHA-512 of Firmware"); | |
681 | return 1; | |
682 | } | |
683 | ||
684 | if (memcmp(hash1, hash2, 64)) { | |
685 | PrintAndLogEx(FAILED, "Couldn't verify integrity of Firmware file (wrong SHA-512)"); | |
686 | return 1; | |
687 | } | |
688 | ||
689 | PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware uploading to PM3"); | |
690 | ||
43591e64 | 691 | //Send to device |
692 | uint32_t index = 0; | |
693 | uint32_t bytes_sent = 0; | |
9f596ec7 | 694 | uint32_t bytes_remaining = firmware_size; |
43591e64 | 695 | |
696 | while (bytes_remaining > 0){ | |
697 | uint32_t bytes_in_packet = MIN(USB_CMD_DATA_SIZE, bytes_remaining); | |
698 | UsbCommand c = {CMD_SMART_UPLOAD, {index + bytes_sent, bytes_in_packet, 0}}; | |
699 | ||
700 | // Fill usb bytes with 0xFF | |
701 | memset(c.d.asBytes, 0xFF, USB_CMD_DATA_SIZE); | |
702 | memcpy(c.d.asBytes, dump + bytes_sent, bytes_in_packet); | |
703 | clearCommandBuffer(); | |
704 | SendCommand(&c); | |
705 | if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2000) ) { | |
8d7d7b61 | 706 | PrintAndLogEx(WARNING, "timeout while waiting for reply."); |
43591e64 | 707 | free(dump); |
708 | return 1; | |
709 | } | |
710 | ||
711 | bytes_remaining -= bytes_in_packet; | |
712 | bytes_sent += bytes_in_packet; | |
713 | printf("."); fflush(stdout); | |
714 | } | |
715 | free(dump); | |
716 | printf("\n"); | |
9f596ec7 | 717 | PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware updating, don\'t turn off your PM3!"); |
43591e64 | 718 | |
719 | // trigger the firmware upgrade | |
9f596ec7 | 720 | UsbCommand c = {CMD_SMART_UPGRADE, {firmware_size, 0, 0}}; |
43591e64 | 721 | clearCommandBuffer(); |
722 | SendCommand(&c); | |
723 | UsbCommand resp; | |
724 | if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) { | |
8d7d7b61 | 725 | PrintAndLogEx(WARNING, "timeout while waiting for reply."); |
43591e64 | 726 | return 1; |
727 | } | |
8d7d7b61 | 728 | if ( (resp.arg[0] & 0xFF ) ) |
9f596ec7 | 729 | PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware upgraded successful"); |
43591e64 | 730 | else |
9f596ec7 | 731 | PrintAndLogEx(FAILED, "RDV4.0 Smartcard Socket Firmware Upgrade failed"); |
43591e64 | 732 | return 0; |
733 | } | |
734 | ||
735 | int CmdSmartInfo(const char *Cmd){ | |
736 | uint8_t cmdp = 0; | |
737 | bool errors = false, silent = false; | |
738 | ||
739 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { | |
740 | switch (tolower(param_getchar(Cmd, cmdp))) { | |
741 | case 'h': return usage_sm_info(); | |
8d7d7b61 | 742 | case 's': |
43591e64 | 743 | silent = true; |
744 | break; | |
745 | default: | |
8d7d7b61 | 746 | PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp)); |
43591e64 | 747 | errors = true; |
748 | break; | |
749 | } | |
750 | cmdp++; | |
751 | } | |
752 | ||
753 | //Validations | |
754 | if (errors ) return usage_sm_info(); | |
755 | ||
756 | UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}}; | |
757 | clearCommandBuffer(); | |
758 | SendCommand(&c); | |
759 | UsbCommand resp; | |
760 | if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) { | |
8d7d7b61 | 761 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); |
43591e64 | 762 | return 1; |
763 | } | |
764 | ||
765 | uint8_t isok = resp.arg[0] & 0xFF; | |
766 | if (!isok) { | |
8d7d7b61 | 767 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); |
43591e64 | 768 | return 1; |
769 | } | |
770 | ||
771 | smart_card_atr_t card; | |
772 | memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t)); | |
773 | ||
774 | // print header | |
8d7d7b61 | 775 | PrintAndLogEx(INFO, "\n--- Smartcard Information ---------"); |
776 | PrintAndLogEx(INFO, "-------------------------------------------------------------"); | |
777 | PrintAndLogEx(INFO, "ISO76183 ATR : %s", sprint_hex(card.atr, card.atr_len)); | |
778 | PrintAndLogEx(INFO, "look up ATR"); | |
779 | PrintAndLogEx(INFO, "http://smartcard-atr.appspot.com/parse?ATR=%s", sprint_hex_inrow(card.atr, card.atr_len) ); | |
6b6c3be6 | 780 | |
781 | // print ATR | |
782 | PrintAndLogEx(NORMAL, ""); | |
783 | PrintAndLogEx(NORMAL, "* ATR:"); | |
784 | PrintATR(card.atr, card.atr_len); | |
785 | ||
786 | // print D/F (brom byte TA1 or defaults) | |
787 | PrintAndLogEx(NORMAL, ""); | |
788 | PrintAndLogEx(NORMAL, "* D/F (TA1):"); | |
789 | int Di = GetATRDi(card.atr, card.atr_len); | |
790 | int Fi = GetATRFi(card.atr, card.atr_len); | |
791 | float F = GetATRF(card.atr, card.atr_len); | |
792 | if (GetATRTA1(card.atr, card.atr_len) == 0x11) | |
793 | PrintAndLogEx(INFO, "Using default values..."); | |
794 | ||
795 | PrintAndLogEx(NORMAL, "Di=%d", Di); | |
796 | PrintAndLogEx(NORMAL, "Fi=%d", Fi); | |
797 | PrintAndLogEx(NORMAL, "F=%.1f MHz", F); | |
798 | PrintAndLogEx(NORMAL, "Cycles/ETU=%d", Fi/Di); | |
799 | PrintAndLogEx(NORMAL, "%.1f bits/sec at 4MHz", (float)4000000 / (Fi/Di)); | |
800 | PrintAndLogEx(NORMAL, "%.1f bits/sec at Fmax=%.1fMHz", (F * 1000000) / (Fi/Di), F); | |
801 | ||
43591e64 | 802 | return 0; |
803 | } | |
804 | ||
805 | int CmdSmartReader(const char *Cmd){ | |
806 | uint8_t cmdp = 0; | |
807 | bool errors = false, silent = false; | |
808 | ||
809 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { | |
810 | switch (tolower(param_getchar(Cmd, cmdp))) { | |
811 | case 'h': return usage_sm_reader(); | |
8d7d7b61 | 812 | case 's': |
43591e64 | 813 | silent = true; |
814 | break; | |
815 | default: | |
8d7d7b61 | 816 | PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp)); |
43591e64 | 817 | errors = true; |
818 | break; | |
819 | } | |
820 | cmdp++; | |
821 | } | |
822 | ||
823 | //Validations | |
824 | if (errors ) return usage_sm_reader(); | |
825 | ||
826 | UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}}; | |
827 | clearCommandBuffer(); | |
828 | SendCommand(&c); | |
829 | UsbCommand resp; | |
830 | if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) { | |
8d7d7b61 | 831 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); |
43591e64 | 832 | return 1; |
833 | } | |
834 | ||
835 | uint8_t isok = resp.arg[0] & 0xFF; | |
836 | if (!isok) { | |
8d7d7b61 | 837 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); |
43591e64 | 838 | return 1; |
839 | } | |
840 | smart_card_atr_t card; | |
841 | memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t)); | |
8d7d7b61 | 842 | |
843 | PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len)); | |
43591e64 | 844 | return 0; |
845 | } | |
846 | ||
847 | int CmdSmartSetClock(const char *Cmd){ | |
848 | uint8_t cmdp = 0; | |
849 | bool errors = false; | |
850 | uint8_t clock = 0; | |
851 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { | |
852 | switch (tolower(param_getchar(Cmd, cmdp))) { | |
853 | case 'h': return usage_sm_setclock(); | |
8d7d7b61 | 854 | case 'c': |
43591e64 | 855 | clock = param_get8ex(Cmd, cmdp+1, 2, 10); |
856 | if ( clock > 2) | |
857 | errors = true; | |
8d7d7b61 | 858 | |
43591e64 | 859 | cmdp += 2; |
860 | break; | |
861 | default: | |
8d7d7b61 | 862 | PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp)); |
43591e64 | 863 | errors = true; |
864 | break; | |
865 | } | |
866 | } | |
867 | ||
868 | //Validations | |
869 | if (errors || cmdp == 0) return usage_sm_setclock(); | |
870 | ||
871 | UsbCommand c = {CMD_SMART_SETCLOCK, {clock, 0, 0}}; | |
872 | clearCommandBuffer(); | |
873 | SendCommand(&c); | |
874 | UsbCommand resp; | |
875 | if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) { | |
8d7d7b61 | 876 | PrintAndLogEx(WARNING, "smart card select failed"); |
43591e64 | 877 | return 1; |
878 | } | |
879 | ||
880 | uint8_t isok = resp.arg[0] & 0xFF; | |
881 | if (!isok) { | |
8d7d7b61 | 882 | PrintAndLogEx(WARNING, "smart card set clock failed"); |
43591e64 | 883 | return 1; |
884 | } | |
885 | ||
886 | switch (clock) { | |
887 | case 0: | |
8d7d7b61 | 888 | PrintAndLogEx(SUCCESS, "Clock changed to 16mhz giving 10800 baudrate"); |
43591e64 | 889 | break; |
890 | case 1: | |
8d7d7b61 | 891 | PrintAndLogEx(SUCCESS, "Clock changed to 8mhz giving 21600 baudrate"); |
43591e64 | 892 | break; |
893 | case 2: | |
8d7d7b61 | 894 | PrintAndLogEx(SUCCESS, "Clock changed to 4mhz giving 86400 baudrate"); |
43591e64 | 895 | break; |
896 | default: | |
897 | break; | |
898 | } | |
899 | return 0; | |
900 | } | |
901 | ||
8d7d7b61 | 902 | int CmdSmartList(const char *Cmd) { |
903 | CmdHFList("7816"); | |
904 | return 0; | |
43591e64 | 905 | } |
906 | ||
8d7d7b61 | 907 | int CmdSmartBruteforceSFI(const char *Cmd) { |
43591e64 | 908 | |
8d7d7b61 | 909 | char ctmp = tolower(param_getchar(Cmd, 0)); |
910 | if (ctmp == 'h') return usage_sm_brute(); | |
43591e64 | 911 | |
8d7d7b61 | 912 | uint8_t data[5] = {0x00, 0xB2, 0x00, 0x00, 0x00}; |
43591e64 | 913 | |
8d7d7b61 | 914 | PrintAndLogEx(INFO, "Selecting card"); |
915 | if ( !smart_select(false) ) { | |
916 | return 1; | |
43591e64 | 917 | } |
918 | ||
8d7d7b61 | 919 | PrintAndLogEx(INFO, "Selecting PPSE aid"); |
920 | CmdSmartRaw("d 00a404000e325041592e5359532e444446303100"); | |
921 | CmdSmartRaw("d 00a4040007a000000004101000"); | |
43591e64 | 922 | |
8d7d7b61 | 923 | PrintAndLogEx(INFO, "starting"); |
43591e64 | 924 | |
8d7d7b61 | 925 | UsbCommand c = {CMD_SMART_RAW, {SC_RAW, sizeof(data), 0}}; |
926 | uint8_t* buf = malloc(USB_CMD_DATA_SIZE); | |
927 | if ( !buf ) | |
928 | return 1; | |
43591e64 | 929 | |
8d7d7b61 | 930 | for (uint8_t i=1; i < 4; i++) { |
931 | for (int p1=1; p1 < 5; p1++) { | |
43591e64 | 932 | |
8d7d7b61 | 933 | data[2] = p1; |
934 | data[3] = (i << 3) + 4; | |
43591e64 | 935 | |
8d7d7b61 | 936 | memcpy(c.d.asBytes, data, sizeof(data) ); |
937 | clearCommandBuffer(); | |
938 | SendCommand(&c); | |
43591e64 | 939 | |
6b6c3be6 | 940 | smart_response(data[1], buf); |
43591e64 | 941 | |
8d7d7b61 | 942 | // if 0x6C |
943 | if ( buf[0] == 0x6C ) { | |
9f596ec7 | 944 | data[4] = buf[1]; |
43591e64 | 945 | |
8d7d7b61 | 946 | memcpy(c.d.asBytes, data, sizeof(data) ); |
947 | clearCommandBuffer(); | |
948 | SendCommand(&c); | |
6b6c3be6 | 949 | uint8_t len = smart_response(data[1], buf); |
43591e64 | 950 | |
8d7d7b61 | 951 | // TLV decoder |
952 | if (len > 4) | |
953 | TLVPrintFromBuffer(buf+1, len-3); | |
43591e64 | 954 | |
8d7d7b61 | 955 | data[4] = 0; |
43591e64 | 956 | } |
8d7d7b61 | 957 | memset(buf, 0x00, USB_CMD_DATA_SIZE); |
43591e64 | 958 | } |
959 | } | |
8d7d7b61 | 960 | free(buf); |
43591e64 | 961 | return 0; |
962 | } | |
963 | ||
964 | static command_t CommandTable[] = { | |
9f596ec7 | 965 | {"help", CmdHelp, 1, "This help"}, |
966 | {"list", CmdSmartList, 0, "List ISO 7816 history"}, | |
967 | {"info", CmdSmartInfo, 0, "Tag information"}, | |
968 | {"reader", CmdSmartReader, 0, "Act like an IS07816 reader"}, | |
969 | {"raw", CmdSmartRaw, 0, "Send raw hex data to tag"}, | |
970 | {"upgrade", CmdSmartUpgrade, 0, "Upgrade firmware"}, | |
971 | {"setclock", CmdSmartSetClock, 0, "Set clock speed"}, | |
972 | {"brute", CmdSmartBruteforceSFI, 0, "Bruteforce SFI"}, | |
973 | {NULL, NULL, 0, NULL} | |
43591e64 | 974 | }; |
975 | ||
976 | int CmdSmartcard(const char *Cmd) { | |
977 | clearCommandBuffer(); | |
978 | CmdsParse(CommandTable, Cmd); | |
979 | return 0; | |
980 | } | |
981 | ||
982 | int CmdHelp(const char *Cmd) { | |
983 | CmdsHelp(CommandTable); | |
984 | return 0; | |
985 | } |