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" |
0d2624a0 |
21 | #include "cmdhflist.h" |
8d7d7b61 |
22 | #include "emv/apduinfo.h" // APDUcode description |
23 | #include "emv/emvcore.h" // decodeTVL |
151a33c0 |
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"); |
151a33c0 |
35 | PrintAndLogEx(NORMAL, " a : active smartcard without select (reset sc module)"); |
36 | PrintAndLogEx(NORMAL, " s : active smartcard with select (get ATR)"); |
8d7d7b61 |
37 | PrintAndLogEx(NORMAL, " t : executes TLV decoder if it possible"); |
151a33c0 |
38 | PrintAndLogEx(NORMAL, " 0 : use protocol T=0"); |
8d7d7b61 |
39 | PrintAndLogEx(NORMAL, " d <bytes> : bytes to send"); |
40 | PrintAndLogEx(NORMAL, ""); |
41 | PrintAndLogEx(NORMAL, "Examples:"); |
151a33c0 |
42 | PrintAndLogEx(NORMAL, " sc raw s 0 d 00a404000e315041592e5359532e4444463031 - `1PAY.SYS.DDF01` PPSE directory with get ATR"); |
43 | PrintAndLogEx(NORMAL, " sc raw 0 d 00a404000e325041592e5359532e4444463031 - `2PAY.SYS.DDF01` PPSE directory"); |
43591e64 |
44 | return 0; |
45 | } |
8d7d7b61 |
46 | |
47 | static int usage_sm_reader(void) { |
48 | PrintAndLogEx(NORMAL, "Usage: sc reader [h|s]"); |
49 | PrintAndLogEx(NORMAL, " h : this help"); |
50 | PrintAndLogEx(NORMAL, " s : silent (no messages)"); |
51 | PrintAndLogEx(NORMAL, ""); |
52 | PrintAndLogEx(NORMAL, "Examples:"); |
53 | PrintAndLogEx(NORMAL, " sc reader"); |
43591e64 |
54 | return 0; |
55 | } |
8d7d7b61 |
56 | |
57 | static int usage_sm_info(void) { |
58 | PrintAndLogEx(NORMAL, "Usage: s info [h|s]"); |
59 | PrintAndLogEx(NORMAL, " h : this help"); |
60 | PrintAndLogEx(NORMAL, " s : silent (no messages)"); |
61 | PrintAndLogEx(NORMAL, ""); |
62 | PrintAndLogEx(NORMAL, "Examples:"); |
63 | PrintAndLogEx(NORMAL, " sc info"); |
43591e64 |
64 | return 0; |
65 | } |
8d7d7b61 |
66 | |
67 | static int usage_sm_upgrade(void) { |
9f596ec7 |
68 | PrintAndLogEx(NORMAL, "Upgrade RDV4.0 Smartcard Socket Firmware"); |
8d7d7b61 |
69 | PrintAndLogEx(NORMAL, "Usage: sc upgrade f <file name>"); |
70 | PrintAndLogEx(NORMAL, " h : this help"); |
71 | PrintAndLogEx(NORMAL, " f <filename> : firmware file name"); |
72 | PrintAndLogEx(NORMAL, ""); |
73 | PrintAndLogEx(NORMAL, "Examples:"); |
9f596ec7 |
74 | PrintAndLogEx(NORMAL, " sc upgrade f SIM010.BIN"); |
43591e64 |
75 | return 0; |
76 | } |
8d7d7b61 |
77 | |
78 | static int usage_sm_setclock(void) { |
79 | PrintAndLogEx(NORMAL, "Usage: sc setclock [h] c <clockspeed>"); |
80 | PrintAndLogEx(NORMAL, " h : this help"); |
81 | PrintAndLogEx(NORMAL, " c <> : clockspeed (0 = 16mhz, 1=8mhz, 2=4mhz) "); |
82 | PrintAndLogEx(NORMAL, ""); |
83 | PrintAndLogEx(NORMAL, "Examples:"); |
84 | PrintAndLogEx(NORMAL, " sc setclock c 2"); |
43591e64 |
85 | return 0; |
86 | } |
87 | |
8d7d7b61 |
88 | static int usage_sm_brute(void) { |
89 | PrintAndLogEx(NORMAL, "Tries to bruteforce SFI, "); |
90 | PrintAndLogEx(NORMAL, "Usage: sc brute [h]"); |
91 | PrintAndLogEx(NORMAL, " h : this help"); |
92 | PrintAndLogEx(NORMAL, ""); |
93 | PrintAndLogEx(NORMAL, "Examples:"); |
94 | PrintAndLogEx(NORMAL, " sc brute"); |
95 | return 0; |
96 | } |
97 | |
6b6c3be6 |
98 | uint8_t GetATRTA1(uint8_t *atr, size_t atrlen) { |
99 | if (atrlen > 2) { |
100 | uint8_t T0 = atr[1]; |
101 | if (T0 & 0x10) |
102 | return atr[2]; |
103 | } |
104 | |
105 | return 0x11; // default value is 0x11, corresponding to fmax=5 MHz, Fi=372, Di=1. |
106 | } |
107 | |
108 | int DiArray[] = { |
109 | 0, // b0000 RFU |
110 | 1, // b0001 |
111 | 2, |
112 | 4, |
113 | 8, |
114 | 16, |
115 | 32, // b0110 |
116 | 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 |
117 | 12, |
118 | 20, |
119 | 0, // b1010 RFU |
120 | 0, |
121 | 0, // ... |
122 | 0, |
123 | 0, |
124 | 0 // b1111 RFU |
125 | }; |
126 | |
127 | int FiArray[] = { |
128 | 372, // b0000 Historical note: in ISO/IEC 7816-3:1989, this was assigned to cards with internal clock |
129 | 372, // b0001 |
130 | 558, // b0010 |
131 | 744, // b0011 |
132 | 1116, // b0100 |
133 | 1488, // b0101 |
134 | 1860, // b0110 |
135 | 0, // b0111 RFU |
136 | 0, // b1000 RFU |
137 | 512, // b1001 |
138 | 768, // b1010 |
139 | 1024, // b1011 |
140 | 1536, // b1100 |
141 | 2048, // b1101 |
142 | 0, // b1110 RFU |
143 | 0 // b1111 RFU |
144 | }; |
145 | |
146 | float FArray[] = { |
147 | 4, // b0000 Historical note: in ISO/IEC 7816-3:1989, this was assigned to cards with internal clock |
148 | 5, // b0001 |
149 | 6, // b0010 |
150 | 8, // b0011 |
151 | 12, // b0100 |
152 | 16, // b0101 |
153 | 20, // b0110 |
154 | 0, // b0111 RFU |
155 | 0, // b1000 RFU |
156 | 5, // b1001 |
157 | 7.5, // b1010 |
158 | 10, // b1011 |
159 | 15, // b1100 |
160 | 20, // b1101 |
161 | 0, // b1110 RFU |
162 | 0 // b1111 RFU |
163 | }; |
164 | |
165 | int GetATRDi(uint8_t *atr, size_t atrlen) { |
166 | uint8_t TA1 = GetATRTA1(atr, atrlen); |
167 | |
168 | return DiArray[TA1 & 0x0f]; // The 4 low-order bits of TA1 (4th MSbit to 1st LSbit) encode Di |
169 | } |
170 | |
171 | int GetATRFi(uint8_t *atr, size_t atrlen) { |
172 | uint8_t TA1 = GetATRTA1(atr, atrlen); |
173 | |
174 | return FiArray[TA1 >> 4]; // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi |
175 | } |
176 | |
177 | float GetATRF(uint8_t *atr, size_t atrlen) { |
178 | uint8_t TA1 = GetATRTA1(atr, atrlen); |
179 | |
180 | return FArray[TA1 >> 4]; // The 4 high-order bits of TA1 (8th MSbit to 5th LSbit) encode fmax and Fi |
181 | } |
182 | |
183 | static int PrintATR(uint8_t *atr, size_t atrlen) { |
6b6c3be6 |
184 | |
185 | uint8_t T0 = atr[1]; |
186 | uint8_t K = T0 & 0x0F; |
151a33c0 |
187 | uint8_t TD1 = 0, T1len = 0, TD1len = 0, TDilen = 0; |
6b6c3be6 |
188 | |
189 | if (T0 & 0x10) { |
151a33c0 |
190 | PrintAndLog("\t- TA1 (Maximum clock frequency, proposed bit duration) [ 0x%02x ]", atr[2 + T1len]); |
6b6c3be6 |
191 | T1len++; |
192 | } |
151a33c0 |
193 | |
6b6c3be6 |
194 | if (T0 & 0x20) { |
151a33c0 |
195 | PrintAndLog("\t- TB1 (Deprecated: VPP requirements) [ 0x%02x ]", atr[2 + T1len]); |
6b6c3be6 |
196 | T1len++; |
197 | } |
151a33c0 |
198 | |
6b6c3be6 |
199 | if (T0 & 0x40) { |
151a33c0 |
200 | PrintAndLog("\t- TC1 (Extra delay between bytes required by card) [ 0x%02x ]", atr[2 + T1len]); |
6b6c3be6 |
201 | T1len++; |
202 | } |
151a33c0 |
203 | |
6b6c3be6 |
204 | if (T0 & 0x80) { |
205 | TD1 = atr[2 + T1len]; |
151a33c0 |
206 | PrintAndLog("\t- TD1 (First offered transmission protocol, presence of TA2..TD2) [ 0x%02x ] Protocol T%d", TD1, TD1 & 0x0f); |
6b6c3be6 |
207 | T1len++; |
208 | |
209 | if (TD1 & 0x10) { |
151a33c0 |
210 | PrintAndLog("\t- TA2 (Specific protocol and parameters to be used after the ATR) [ 0x%02x ]", atr[2 + T1len + TD1len]); |
6b6c3be6 |
211 | TD1len++; |
212 | } |
213 | if (TD1 & 0x20) { |
151a33c0 |
214 | PrintAndLog("\t- TB2 (Deprecated: VPP precise voltage requirement) [ 0x%02x ]", atr[2 + T1len + TD1len]); |
6b6c3be6 |
215 | TD1len++; |
216 | } |
217 | if (TD1 & 0x40) { |
151a33c0 |
218 | PrintAndLog("\t- TC2 (Maximum waiting time for protocol T=0) [ 0x%02x ]", atr[2 + T1len + TD1len]); |
6b6c3be6 |
219 | TD1len++; |
220 | } |
221 | if (TD1 & 0x80) { |
222 | uint8_t TDi = atr[2 + T1len + TD1len]; |
151a33c0 |
223 | PrintAndLog("\t- TD2 (A supported protocol or more global parameters, presence of TA3..TD3) [ 0x%02x ] Protocol T%d", TDi, TDi & 0x0f); |
6b6c3be6 |
224 | TD1len++; |
225 | |
226 | bool nextCycle = true; |
227 | uint8_t vi = 3; |
228 | while (nextCycle) { |
229 | nextCycle = false; |
230 | if (TDi & 0x10) { |
151a33c0 |
231 | PrintAndLog("\t- TA%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]); |
6b6c3be6 |
232 | TDilen++; |
233 | } |
234 | if (TDi & 0x20) { |
151a33c0 |
235 | PrintAndLog("\t- TB%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]); |
6b6c3be6 |
236 | TDilen++; |
237 | } |
238 | if (TDi & 0x40) { |
151a33c0 |
239 | PrintAndLog("\t- TC%d: 0x%02x", vi, atr[2 + T1len + TD1len + TDilen]); |
6b6c3be6 |
240 | TDilen++; |
241 | } |
242 | if (TDi & 0x80) { |
243 | TDi = atr[2 + T1len + TD1len + TDilen]; |
151a33c0 |
244 | PrintAndLog("\t- TD%d [ 0x%02x ] Protocol T%d", vi, TDi, TDi & 0x0f); |
6b6c3be6 |
245 | TDilen++; |
246 | |
247 | nextCycle = true; |
248 | vi++; |
249 | } |
250 | } |
251 | } |
252 | } |
253 | |
151a33c0 |
254 | uint8_t vxor = 0; |
255 | for (int i = 1; i < atrlen; i++) |
256 | vxor ^= atr[i]; |
257 | |
258 | if (vxor) |
259 | PrintAndLogEx(WARNING, "Check summ error. Must be 0 got 0x%02X", vxor); |
260 | else |
261 | PrintAndLogEx(INFO, "Check summ OK."); |
262 | |
263 | if (atr[0] != 0x3b) |
264 | PrintAndLogEx(WARNING, "Not a direct convention [ 0x%02x ]", atr[0]); |
265 | |
266 | |
6b6c3be6 |
267 | uint8_t calen = 2 + T1len + TD1len + TDilen + K; |
268 | |
269 | if (atrlen != calen && atrlen != calen + 1) // may be CRC |
270 | PrintAndLogEx(ERR, "ATR length error. len: %d, T1len: %d, TD1len: %d, TDilen: %d, K: %d", atrlen, T1len, TD1len, TDilen, K); |
6b6c3be6 |
271 | |
6b6c3be6 |
272 | if (K > 0) |
151a33c0 |
273 | PrintAndLogEx(INFO, "\nHistorical bytes | len 0x%02d | format %02x", K, atr[2 + T1len + TD1len + TDilen]); |
274 | |
6b6c3be6 |
275 | if (K > 1) { |
151a33c0 |
276 | PrintAndLogEx(INFO, "\tHistorical bytes"); |
6b6c3be6 |
277 | dump_buffer(&atr[2 + T1len + TD1len + TDilen], K, NULL, 1); |
278 | } |
279 | |
280 | return 0; |
281 | } |
282 | |
8d7d7b61 |
283 | static bool smart_select(bool silent) { |
284 | UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}}; |
285 | clearCommandBuffer(); |
286 | SendCommand(&c); |
287 | UsbCommand resp; |
288 | if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) { |
289 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); |
290 | return false; |
291 | } |
292 | |
293 | uint8_t isok = resp.arg[0] & 0xFF; |
294 | if (!isok) { |
295 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); |
296 | return false; |
297 | } |
298 | |
299 | if (!silent) { |
300 | smart_card_atr_t card; |
301 | memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t)); |
302 | |
303 | PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len)); |
304 | } |
305 | |
306 | return true; |
307 | } |
308 | |
309 | static int smart_wait(uint8_t *data) { |
310 | UsbCommand resp; |
311 | if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)) { |
151a33c0 |
312 | PrintAndLogEx(WARNING, "smart card response timeout"); |
8d7d7b61 |
313 | return -1; |
314 | } |
315 | |
316 | uint32_t len = resp.arg[0]; |
317 | if ( !len ) { |
318 | PrintAndLogEx(WARNING, "smart card response failed"); |
319 | return -2; |
320 | } |
321 | memcpy(data, resp.d.asBytes, len); |
8d7d7b61 |
322 | if (len >= 2) { |
323 | PrintAndLogEx(SUCCESS, "%02X%02X | %s", data[len - 2], data[len - 1], GetAPDUCodeDescription(data[len - 2], data[len - 1])); |
151a33c0 |
324 | } else { |
325 | PrintAndLogEx(SUCCESS, " %d | %s", len, sprint_hex_inrow_ex(data, len, 8)); |
8d7d7b61 |
326 | } |
151a33c0 |
327 | |
8d7d7b61 |
328 | return len; |
329 | } |
330 | |
151a33c0 |
331 | static int smart_response(uint8_t *data) { |
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 ( data[datalen - 2] == 0x61 || data[datalen - 2] == 0x9F ) { |
341 | needGetData = true; |
342 | } |
8d7d7b61 |
343 | |
6b6c3be6 |
344 | if (needGetData) { |
345 | int len = data[datalen - 1]; |
151a33c0 |
346 | PrintAndLogEx(INFO, "Requesting 0x%02X bytes response", len); |
347 | uint8_t getstatus[] = {0x00, ISO7816_GETSTATUS, 0x00, 0x00, len}; |
6b6c3be6 |
348 | UsbCommand cStatus = {CMD_SMART_RAW, {SC_RAW, sizeof(getstatus), 0}}; |
349 | memcpy(cStatus.d.asBytes, getstatus, sizeof(getstatus) ); |
350 | clearCommandBuffer(); |
351 | SendCommand(&cStatus); |
352 | |
353 | datalen = smart_wait(data); |
354 | |
355 | if (datalen < 2 ) { |
356 | goto out; |
357 | } |
8d7d7b61 |
358 | |
151a33c0 |
359 | // data wo ACK |
360 | if (datalen != len + 2) { |
361 | // data with ACK |
362 | if (datalen == len + 2 + 1) { // 2 - response, 1 - ACK |
363 | if (data[0] != ISO7816_GETSTATUS) { |
364 | PrintAndLogEx(ERR, "GetResponse ACK error. len 0x%x | data[0] %02X", len, data[0]); |
365 | datalen = 0; |
366 | goto out; |
367 | } |
368 | |
369 | datalen--; |
370 | memmove(data, &data[1], datalen); |
371 | } else { |
372 | // wrong length |
373 | PrintAndLogEx(WARNING, "GetResponse wrong length. Must be 0x%02X got 0x%02X", len, datalen - 3); |
374 | } |
6b6c3be6 |
375 | } |
376 | } |
377 | |
6b6c3be6 |
378 | out: |
8d7d7b61 |
379 | return datalen; |
380 | } |
381 | |
43591e64 |
382 | int CmdSmartRaw(const char *Cmd) { |
383 | |
384 | int hexlen = 0; |
385 | bool active = false; |
386 | bool active_select = false; |
151a33c0 |
387 | bool useT0 = false; |
43591e64 |
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; |
151a33c0 |
411 | case '0': |
412 | useT0 = true; |
413 | cmdp++; |
414 | break; |
43591e64 |
415 | case 'd': { |
416 | switch (param_gethex_to_eol(Cmd, cmdp+1, data, sizeof(data), &hexlen)) { |
417 | case 1: |
8d7d7b61 |
418 | PrintAndLogEx(WARNING, "Invalid HEX value."); |
43591e64 |
419 | return 1; |
420 | case 2: |
8d7d7b61 |
421 | PrintAndLogEx(WARNING, "Too many bytes. Max %d bytes", sizeof(data)); |
43591e64 |
422 | return 1; |
423 | case 3: |
8d7d7b61 |
424 | PrintAndLogEx(WARNING, "Hex must have even number of digits."); |
43591e64 |
425 | return 1; |
426 | } |
427 | cmdp++; |
428 | breakloop = true; |
429 | break; |
430 | } |
431 | default: |
8d7d7b61 |
432 | PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp)); |
43591e64 |
433 | errors = true; |
434 | break; |
435 | } |
436 | |
437 | if ( breakloop ) |
438 | break; |
439 | } |
440 | |
441 | //Validations |
442 | if (errors || cmdp == 0 ) return usage_sm_raw(); |
443 | |
444 | // arg0 = RFU flags |
445 | // arg1 = length |
446 | UsbCommand c = {CMD_SMART_RAW, {0, hexlen, 0}}; |
447 | |
448 | if (active || active_select) { |
6b6c3be6 |
449 | c.arg[0] |= SC_CONNECT; |
450 | if (active_select) |
451 | c.arg[0] |= SC_SELECT; |
452 | } |
43591e64 |
453 | |
454 | if (hexlen > 0) { |
151a33c0 |
455 | if (useT0) |
456 | c.arg[0] |= SC_RAW_T0; |
457 | else |
458 | c.arg[0] |= SC_RAW; |
43591e64 |
459 | } |
460 | |
461 | memcpy(c.d.asBytes, data, hexlen ); |
462 | clearCommandBuffer(); |
463 | SendCommand(&c); |
464 | |
465 | // reading response from smart card |
466 | if ( reply ) { |
8d7d7b61 |
467 | |
468 | uint8_t* buf = calloc(USB_CMD_DATA_SIZE, sizeof(uint8_t)); |
469 | if ( !buf ) |
43591e64 |
470 | return 1; |
8d7d7b61 |
471 | |
151a33c0 |
472 | int len = smart_response(buf); |
8d7d7b61 |
473 | if ( len < 0 ) { |
474 | free(buf); |
475 | return 2; |
43591e64 |
476 | } |
43591e64 |
477 | |
8d7d7b61 |
478 | if ( buf[0] == 0x6C ) { |
9f596ec7 |
479 | data[4] = buf[1]; |
8d7d7b61 |
480 | |
481 | memcpy(c.d.asBytes, data, sizeof(data) ); |
482 | clearCommandBuffer(); |
483 | SendCommand(&c); |
151a33c0 |
484 | len = smart_response(buf); |
8d7d7b61 |
485 | |
486 | data[4] = 0; |
43591e64 |
487 | } |
488 | |
8d7d7b61 |
489 | if (decodeTLV && len > 4) |
151a33c0 |
490 | TLVPrintFromBuffer(buf, len-2); |
43591e64 |
491 | |
8d7d7b61 |
492 | free(buf); |
493 | } |
494 | return 0; |
495 | } |
43591e64 |
496 | |
8d7d7b61 |
497 | int ExchangeAPDUSC(uint8_t *datain, int datainlen, bool activateCard, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) { |
498 | *dataoutlen = 0; |
43591e64 |
499 | |
8d7d7b61 |
500 | if (activateCard) |
501 | smart_select(false); |
43591e64 |
502 | |
151a33c0 |
503 | PrintAndLogEx(DEBUG, "APDU SC"); |
504 | |
505 | UsbCommand c = {CMD_SMART_RAW, {SC_RAW_T0, datainlen, 0}}; |
8d7d7b61 |
506 | if (activateCard) { |
151a33c0 |
507 | c.arg[0] |= SC_SELECT | SC_CONNECT; |
43591e64 |
508 | } |
8d7d7b61 |
509 | memcpy(c.d.asBytes, datain, datainlen); |
510 | clearCommandBuffer(); |
511 | SendCommand(&c); |
512 | |
151a33c0 |
513 | int len = smart_response(dataout); |
8d7d7b61 |
514 | |
515 | if ( len < 0 ) { |
516 | return 2; |
517 | } |
518 | |
6b6c3be6 |
519 | // retry |
520 | if (len > 1 && dataout[len - 2] == 0x6c && datainlen > 4) { |
151a33c0 |
521 | UsbCommand c2 = {CMD_SMART_RAW, {SC_RAW_T0, datainlen, 0}}; |
522 | memcpy(c2.d.asBytes, datain, 5); |
6b6c3be6 |
523 | |
151a33c0 |
524 | // transfer length via T=0 |
525 | c2.d.asBytes[4] = dataout[len - 1]; |
6b6c3be6 |
526 | |
527 | clearCommandBuffer(); |
528 | SendCommand(&c2); |
529 | |
151a33c0 |
530 | len = smart_response(dataout); |
6b6c3be6 |
531 | } |
8d7d7b61 |
532 | *dataoutlen = len; |
533 | |
43591e64 |
534 | return 0; |
535 | } |
536 | |
8d7d7b61 |
537 | |
43591e64 |
538 | int CmdSmartUpgrade(const char *Cmd) { |
539 | |
9f596ec7 |
540 | PrintAndLogEx(NORMAL, ""); |
541 | PrintAndLogEx(WARNING, "WARNING - RDV4.0 Smartcard Socket Firmware upgrade."); |
8d7d7b61 |
542 | PrintAndLogEx(WARNING, "A dangerous command, do wrong and you will brick the smart card socket"); |
9f596ec7 |
543 | PrintAndLogEx(NORMAL, ""); |
43591e64 |
544 | |
545 | FILE *f; |
546 | char filename[FILE_PATH_SIZE] = {0}; |
547 | uint8_t cmdp = 0; |
548 | bool errors = false; |
549 | |
550 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { |
551 | switch (tolower(param_getchar(Cmd, cmdp))) { |
552 | case 'f': |
553 | //File handling and reading |
554 | if ( param_getstr(Cmd, cmdp+1, filename, FILE_PATH_SIZE) >= FILE_PATH_SIZE ) { |
8d7d7b61 |
555 | PrintAndLogEx(FAILED, "Filename too long"); |
43591e64 |
556 | errors = true; |
557 | break; |
558 | } |
559 | cmdp += 2; |
560 | break; |
561 | case 'h': |
562 | return usage_sm_upgrade(); |
563 | default: |
8d7d7b61 |
564 | PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp)); |
43591e64 |
565 | errors = true; |
566 | break; |
567 | } |
568 | } |
569 | |
570 | //Validations |
571 | if (errors || cmdp == 0 ) return usage_sm_upgrade(); |
572 | |
9f596ec7 |
573 | if (strchr(filename, '\\') || strchr(filename, '/')) { |
574 | PrintAndLogEx(FAILED, "Filename must not contain \\ or /. Firmware file will be found in client/sc_upgrade_firmware directory."); |
575 | return 1; |
576 | } |
577 | |
578 | char sc_upgrade_file_path[strlen(get_my_executable_directory()) + strlen(SC_UPGRADE_FILES_DIRECTORY) + strlen(filename) + 1]; |
579 | strcpy(sc_upgrade_file_path, get_my_executable_directory()); |
580 | strcat(sc_upgrade_file_path, SC_UPGRADE_FILES_DIRECTORY); |
581 | strcat(sc_upgrade_file_path, filename); |
582 | if (strlen(sc_upgrade_file_path) >= FILE_PATH_SIZE ) { |
583 | PrintAndLogEx(FAILED, "Filename too long"); |
584 | return 1; |
585 | } |
586 | |
d3c60657 |
587 | char sha512filename[FILE_PATH_SIZE] = {'\0'}; |
9f596ec7 |
588 | char *bin_extension = filename; |
589 | char *dot_position = NULL; |
590 | while ((dot_position = strchr(bin_extension, '.')) != NULL) { |
591 | bin_extension = dot_position + 1; |
592 | } |
593 | if (!strcmp(bin_extension, "BIN") |
594 | #ifdef _WIN32 |
595 | || !strcmp(bin_extension, "bin") |
596 | #endif |
597 | ) { |
d3c60657 |
598 | memcpy(sha512filename, filename, strlen(filename) - strlen("bin")); |
9f596ec7 |
599 | strcat(sha512filename, "sha512.txt"); |
600 | } else { |
601 | PrintAndLogEx(FAILED, "Filename extension of Firmware Upgrade File must be .BIN"); |
602 | return 1; |
603 | } |
604 | |
605 | PrintAndLogEx(INFO, "Checking integrity using SHA512 File %s ...", sha512filename); |
606 | char sc_upgrade_sha512file_path[strlen(get_my_executable_directory()) + strlen(SC_UPGRADE_FILES_DIRECTORY) + strlen(sha512filename) + 1]; |
607 | strcpy(sc_upgrade_sha512file_path, get_my_executable_directory()); |
608 | strcat(sc_upgrade_sha512file_path, SC_UPGRADE_FILES_DIRECTORY); |
609 | strcat(sc_upgrade_sha512file_path, sha512filename); |
610 | if (strlen(sc_upgrade_sha512file_path) >= FILE_PATH_SIZE ) { |
611 | PrintAndLogEx(FAILED, "Filename too long"); |
612 | return 1; |
613 | } |
614 | |
615 | // load firmware file |
616 | f = fopen(sc_upgrade_file_path, "rb"); |
8d7d7b61 |
617 | if ( !f ){ |
9f596ec7 |
618 | PrintAndLogEx(FAILED, "Firmware file not found or locked."); |
43591e64 |
619 | return 1; |
620 | } |
621 | |
622 | // get filesize in order to malloc memory |
623 | fseek(f, 0, SEEK_END); |
9f596ec7 |
624 | size_t fsize = ftell(f); |
43591e64 |
625 | fseek(f, 0, SEEK_SET); |
626 | |
9f596ec7 |
627 | if (fsize < 0) { |
628 | PrintAndLogEx(FAILED, "Could not determine size of firmware file"); |
43591e64 |
629 | fclose(f); |
630 | return 1; |
631 | } |
8d7d7b61 |
632 | |
43591e64 |
633 | uint8_t *dump = calloc(fsize, sizeof(uint8_t)); |
634 | if (!dump) { |
9f596ec7 |
635 | PrintAndLogEx(FAILED, "Could not allocate memory for firmware"); |
43591e64 |
636 | fclose(f); |
637 | return 1; |
638 | } |
639 | |
9f596ec7 |
640 | size_t firmware_size = fread(dump, 1, fsize, f); |
43591e64 |
641 | if (f) |
642 | fclose(f); |
643 | |
9f596ec7 |
644 | // load sha512 file |
645 | f = fopen(sc_upgrade_sha512file_path, "rb"); |
646 | if ( !f ){ |
647 | PrintAndLogEx(FAILED, "SHA-512 file not found or locked."); |
648 | return 1; |
649 | } |
650 | |
651 | // get filesize in order to malloc memory |
652 | fseek(f, 0, SEEK_END); |
653 | fsize = ftell(f); |
654 | fseek(f, 0, SEEK_SET); |
655 | |
656 | if (fsize < 0) { |
657 | PrintAndLogEx(FAILED, "Could not determine size of SHA-512 file"); |
658 | fclose(f); |
659 | return 1; |
660 | } |
661 | |
662 | if (fsize < 128) { |
663 | PrintAndLogEx(FAILED, "SHA-512 file too short"); |
664 | fclose(f); |
665 | return 1; |
666 | } |
667 | |
668 | char hashstring[129]; |
669 | size_t bytes_read = fread(hashstring, 1, 128, f); |
670 | hashstring[128] = '\0'; |
671 | |
672 | if (f) |
673 | fclose(f); |
674 | |
675 | uint8_t hash1[64]; |
676 | if (bytes_read != 128 || param_gethex(hashstring, 0, hash1, 128)) { |
677 | PrintAndLogEx(FAILED, "Couldn't read SHA-512 file"); |
678 | return 1; |
679 | } |
680 | |
681 | uint8_t hash2[64]; |
682 | if (sha512hash(dump, firmware_size, hash2)) { |
683 | PrintAndLogEx(FAILED, "Couldn't calculate SHA-512 of Firmware"); |
684 | return 1; |
685 | } |
686 | |
687 | if (memcmp(hash1, hash2, 64)) { |
688 | PrintAndLogEx(FAILED, "Couldn't verify integrity of Firmware file (wrong SHA-512)"); |
689 | return 1; |
690 | } |
691 | |
692 | PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware uploading to PM3"); |
693 | |
43591e64 |
694 | //Send to device |
695 | uint32_t index = 0; |
696 | uint32_t bytes_sent = 0; |
9f596ec7 |
697 | uint32_t bytes_remaining = firmware_size; |
43591e64 |
698 | |
699 | while (bytes_remaining > 0){ |
700 | uint32_t bytes_in_packet = MIN(USB_CMD_DATA_SIZE, bytes_remaining); |
701 | UsbCommand c = {CMD_SMART_UPLOAD, {index + bytes_sent, bytes_in_packet, 0}}; |
702 | |
703 | // Fill usb bytes with 0xFF |
704 | memset(c.d.asBytes, 0xFF, USB_CMD_DATA_SIZE); |
705 | memcpy(c.d.asBytes, dump + bytes_sent, bytes_in_packet); |
706 | clearCommandBuffer(); |
707 | SendCommand(&c); |
708 | if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2000) ) { |
8d7d7b61 |
709 | PrintAndLogEx(WARNING, "timeout while waiting for reply."); |
43591e64 |
710 | free(dump); |
711 | return 1; |
712 | } |
713 | |
714 | bytes_remaining -= bytes_in_packet; |
715 | bytes_sent += bytes_in_packet; |
716 | printf("."); fflush(stdout); |
717 | } |
718 | free(dump); |
719 | printf("\n"); |
9f596ec7 |
720 | PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware updating, don\'t turn off your PM3!"); |
43591e64 |
721 | |
722 | // trigger the firmware upgrade |
9f596ec7 |
723 | UsbCommand c = {CMD_SMART_UPGRADE, {firmware_size, 0, 0}}; |
43591e64 |
724 | clearCommandBuffer(); |
725 | SendCommand(&c); |
726 | UsbCommand resp; |
727 | if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) { |
8d7d7b61 |
728 | PrintAndLogEx(WARNING, "timeout while waiting for reply."); |
43591e64 |
729 | return 1; |
730 | } |
8d7d7b61 |
731 | if ( (resp.arg[0] & 0xFF ) ) |
9f596ec7 |
732 | PrintAndLogEx(SUCCESS, "RDV4.0 Smartcard Socket Firmware upgraded successful"); |
43591e64 |
733 | else |
9f596ec7 |
734 | PrintAndLogEx(FAILED, "RDV4.0 Smartcard Socket Firmware Upgrade failed"); |
43591e64 |
735 | return 0; |
736 | } |
737 | |
738 | int CmdSmartInfo(const char *Cmd){ |
739 | uint8_t cmdp = 0; |
740 | bool errors = false, silent = false; |
741 | |
742 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { |
743 | switch (tolower(param_getchar(Cmd, cmdp))) { |
744 | case 'h': return usage_sm_info(); |
8d7d7b61 |
745 | case 's': |
43591e64 |
746 | silent = true; |
747 | break; |
748 | default: |
8d7d7b61 |
749 | PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp)); |
43591e64 |
750 | errors = true; |
751 | break; |
752 | } |
753 | cmdp++; |
754 | } |
755 | |
756 | //Validations |
757 | if (errors ) return usage_sm_info(); |
758 | |
759 | UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}}; |
760 | clearCommandBuffer(); |
761 | SendCommand(&c); |
762 | UsbCommand resp; |
763 | if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) { |
8d7d7b61 |
764 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); |
43591e64 |
765 | return 1; |
766 | } |
767 | |
768 | uint8_t isok = resp.arg[0] & 0xFF; |
769 | if (!isok) { |
8d7d7b61 |
770 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); |
43591e64 |
771 | return 1; |
772 | } |
773 | |
774 | smart_card_atr_t card; |
775 | memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t)); |
776 | |
777 | // print header |
151a33c0 |
778 | PrintAndLogEx(INFO, "--- Smartcard Information ---------"); |
8d7d7b61 |
779 | PrintAndLogEx(INFO, "-------------------------------------------------------------"); |
151a33c0 |
780 | PrintAndLogEx(INFO, "ISO7618-3 ATR : %s", sprint_hex(card.atr, card.atr_len)); |
781 | PrintAndLogEx(INFO, "\nhttp://smartcard-atr.appspot.com/parse?ATR=%s", sprint_hex_inrow(card.atr, card.atr_len) ); |
6b6c3be6 |
782 | |
783 | // print ATR |
784 | PrintAndLogEx(NORMAL, ""); |
151a33c0 |
785 | PrintAndLogEx(INFO, "ATR"); |
6b6c3be6 |
786 | PrintATR(card.atr, card.atr_len); |
787 | |
788 | // print D/F (brom byte TA1 or defaults) |
789 | PrintAndLogEx(NORMAL, ""); |
151a33c0 |
790 | PrintAndLogEx(INFO, "D/F (TA1)"); |
6b6c3be6 |
791 | int Di = GetATRDi(card.atr, card.atr_len); |
792 | int Fi = GetATRFi(card.atr, card.atr_len); |
793 | float F = GetATRF(card.atr, card.atr_len); |
794 | if (GetATRTA1(card.atr, card.atr_len) == 0x11) |
795 | PrintAndLogEx(INFO, "Using default values..."); |
796 | |
151a33c0 |
797 | PrintAndLogEx(NORMAL, "\t- Di=%d", Di); |
798 | PrintAndLogEx(NORMAL, "\t- Fi=%d", Fi); |
799 | PrintAndLogEx(NORMAL, "\t- F=%.1f MHz", F); |
800 | |
801 | if (Di && Fi) { |
802 | PrintAndLogEx(NORMAL, "\t- Cycles/ETU=%d", Fi/Di); |
803 | PrintAndLogEx(NORMAL, "\t- %.1f bits/sec at 4MHz", (float)4000000 / (Fi/Di)); |
804 | PrintAndLogEx(NORMAL, "\t- %.1f bits/sec at Fmax=%.1fMHz", (F * 1000000) / (Fi/Di), F); |
805 | } else { |
806 | PrintAndLogEx(WARNING, "\t- Di or Fi is RFU."); |
807 | }; |
6b6c3be6 |
808 | |
43591e64 |
809 | return 0; |
810 | } |
811 | |
812 | int CmdSmartReader(const char *Cmd){ |
813 | uint8_t cmdp = 0; |
814 | bool errors = false, silent = false; |
815 | |
816 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { |
817 | switch (tolower(param_getchar(Cmd, cmdp))) { |
818 | case 'h': return usage_sm_reader(); |
8d7d7b61 |
819 | case 's': |
43591e64 |
820 | silent = true; |
821 | break; |
822 | default: |
8d7d7b61 |
823 | PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp)); |
43591e64 |
824 | errors = true; |
825 | break; |
826 | } |
827 | cmdp++; |
828 | } |
829 | |
830 | //Validations |
831 | if (errors ) return usage_sm_reader(); |
832 | |
833 | UsbCommand c = {CMD_SMART_ATR, {0, 0, 0}}; |
834 | clearCommandBuffer(); |
835 | SendCommand(&c); |
836 | UsbCommand resp; |
837 | if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) { |
8d7d7b61 |
838 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); |
43591e64 |
839 | return 1; |
840 | } |
841 | |
842 | uint8_t isok = resp.arg[0] & 0xFF; |
843 | if (!isok) { |
8d7d7b61 |
844 | if (!silent) PrintAndLogEx(WARNING, "smart card select failed"); |
43591e64 |
845 | return 1; |
846 | } |
847 | smart_card_atr_t card; |
848 | memcpy(&card, (smart_card_atr_t *)resp.d.asBytes, sizeof(smart_card_atr_t)); |
8d7d7b61 |
849 | |
850 | PrintAndLogEx(INFO, "ISO7816-3 ATR : %s", sprint_hex(card.atr, card.atr_len)); |
43591e64 |
851 | return 0; |
852 | } |
853 | |
854 | int CmdSmartSetClock(const char *Cmd){ |
855 | uint8_t cmdp = 0; |
856 | bool errors = false; |
857 | uint8_t clock = 0; |
858 | while (param_getchar(Cmd, cmdp) != 0x00 && !errors) { |
859 | switch (tolower(param_getchar(Cmd, cmdp))) { |
860 | case 'h': return usage_sm_setclock(); |
8d7d7b61 |
861 | case 'c': |
43591e64 |
862 | clock = param_get8ex(Cmd, cmdp+1, 2, 10); |
863 | if ( clock > 2) |
864 | errors = true; |
8d7d7b61 |
865 | |
43591e64 |
866 | cmdp += 2; |
867 | break; |
868 | default: |
8d7d7b61 |
869 | PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp)); |
43591e64 |
870 | errors = true; |
871 | break; |
872 | } |
873 | } |
874 | |
875 | //Validations |
876 | if (errors || cmdp == 0) return usage_sm_setclock(); |
877 | |
878 | UsbCommand c = {CMD_SMART_SETCLOCK, {clock, 0, 0}}; |
879 | clearCommandBuffer(); |
880 | SendCommand(&c); |
881 | UsbCommand resp; |
882 | if ( !WaitForResponseTimeout(CMD_ACK, &resp, 2500) ) { |
8d7d7b61 |
883 | PrintAndLogEx(WARNING, "smart card select failed"); |
43591e64 |
884 | return 1; |
885 | } |
886 | |
887 | uint8_t isok = resp.arg[0] & 0xFF; |
888 | if (!isok) { |
8d7d7b61 |
889 | PrintAndLogEx(WARNING, "smart card set clock failed"); |
43591e64 |
890 | return 1; |
891 | } |
892 | |
893 | switch (clock) { |
894 | case 0: |
8d7d7b61 |
895 | PrintAndLogEx(SUCCESS, "Clock changed to 16mhz giving 10800 baudrate"); |
43591e64 |
896 | break; |
897 | case 1: |
8d7d7b61 |
898 | PrintAndLogEx(SUCCESS, "Clock changed to 8mhz giving 21600 baudrate"); |
43591e64 |
899 | break; |
900 | case 2: |
8d7d7b61 |
901 | PrintAndLogEx(SUCCESS, "Clock changed to 4mhz giving 86400 baudrate"); |
43591e64 |
902 | break; |
903 | default: |
904 | break; |
905 | } |
906 | return 0; |
907 | } |
908 | |
8d7d7b61 |
909 | int CmdSmartList(const char *Cmd) { |
910 | CmdHFList("7816"); |
911 | return 0; |
43591e64 |
912 | } |
913 | |
8d7d7b61 |
914 | int CmdSmartBruteforceSFI(const char *Cmd) { |
43591e64 |
915 | |
8d7d7b61 |
916 | char ctmp = tolower(param_getchar(Cmd, 0)); |
917 | if (ctmp == 'h') return usage_sm_brute(); |
43591e64 |
918 | |
8d7d7b61 |
919 | uint8_t data[5] = {0x00, 0xB2, 0x00, 0x00, 0x00}; |
43591e64 |
920 | |
8d7d7b61 |
921 | PrintAndLogEx(INFO, "Selecting card"); |
922 | if ( !smart_select(false) ) { |
923 | return 1; |
43591e64 |
924 | } |
925 | |
8d7d7b61 |
926 | PrintAndLogEx(INFO, "Selecting PPSE aid"); |
151a33c0 |
927 | CmdSmartRaw("s 0 t d 00a404000e325041592e5359532e4444463031"); |
928 | CmdSmartRaw("0 t d 00a4040007a000000004101000"); // mastercard |
929 | // CmdSmartRaw("0 t d 00a4040007a0000000031010"); // visa |
43591e64 |
930 | |
8d7d7b61 |
931 | PrintAndLogEx(INFO, "starting"); |
43591e64 |
932 | |
8d7d7b61 |
933 | UsbCommand c = {CMD_SMART_RAW, {SC_RAW, sizeof(data), 0}}; |
934 | uint8_t* buf = malloc(USB_CMD_DATA_SIZE); |
935 | if ( !buf ) |
936 | return 1; |
43591e64 |
937 | |
8d7d7b61 |
938 | for (uint8_t i=1; i < 4; i++) { |
939 | for (int p1=1; p1 < 5; p1++) { |
43591e64 |
940 | |
8d7d7b61 |
941 | data[2] = p1; |
942 | data[3] = (i << 3) + 4; |
43591e64 |
943 | |
8d7d7b61 |
944 | memcpy(c.d.asBytes, data, sizeof(data) ); |
945 | clearCommandBuffer(); |
946 | SendCommand(&c); |
43591e64 |
947 | |
151a33c0 |
948 | smart_response(buf); |
43591e64 |
949 | |
8d7d7b61 |
950 | if ( buf[0] == 0x6C ) { |
9f596ec7 |
951 | data[4] = buf[1]; |
43591e64 |
952 | |
8d7d7b61 |
953 | memcpy(c.d.asBytes, data, sizeof(data) ); |
954 | clearCommandBuffer(); |
955 | SendCommand(&c); |
151a33c0 |
956 | uint8_t len = smart_response(buf); |
43591e64 |
957 | |
8d7d7b61 |
958 | // TLV decoder |
959 | if (len > 4) |
960 | TLVPrintFromBuffer(buf+1, len-3); |
43591e64 |
961 | |
8d7d7b61 |
962 | data[4] = 0; |
43591e64 |
963 | } |
8d7d7b61 |
964 | memset(buf, 0x00, USB_CMD_DATA_SIZE); |
43591e64 |
965 | } |
966 | } |
8d7d7b61 |
967 | free(buf); |
43591e64 |
968 | return 0; |
969 | } |
970 | |
971 | static command_t CommandTable[] = { |
9f596ec7 |
972 | {"help", CmdHelp, 1, "This help"}, |
973 | {"list", CmdSmartList, 0, "List ISO 7816 history"}, |
974 | {"info", CmdSmartInfo, 0, "Tag information"}, |
975 | {"reader", CmdSmartReader, 0, "Act like an IS07816 reader"}, |
976 | {"raw", CmdSmartRaw, 0, "Send raw hex data to tag"}, |
977 | {"upgrade", CmdSmartUpgrade, 0, "Upgrade firmware"}, |
978 | {"setclock", CmdSmartSetClock, 0, "Set clock speed"}, |
979 | {"brute", CmdSmartBruteforceSFI, 0, "Bruteforce SFI"}, |
980 | {NULL, NULL, 0, NULL} |
43591e64 |
981 | }; |
982 | |
983 | int CmdSmartcard(const char *Cmd) { |
984 | clearCommandBuffer(); |
985 | CmdsParse(CommandTable, Cmd); |
986 | return 0; |
987 | } |
988 | |
989 | int CmdHelp(const char *Cmd) { |
990 | CmdsHelp(CommandTable); |
991 | return 0; |
992 | } |