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1 //-----------------------------------------------------------------------------
2 // Ultralight Code (c) 2013,2014 Midnitesnake & Andy Davies of Pentura
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 // High frequency MIFARE ULTRALIGHT (C) commands
9 //-----------------------------------------------------------------------------
10 #include "loclass/des.h"
11 #include "cmdhfmfu.h"
12 #include "cmdhfmf.h"
13 #include "cmdhf14a.h"
14 #include "mifare.h"
15 #include "util.h"
16 #include "../common/protocols.h"
17 #include "data.h"
18
19 #define MAX_UL_BLOCKS 0x0f
20 #define MAX_ULC_BLOCKS 0x2b
21 #define MAX_ULEV1a_BLOCKS 0x12
22 #define MAX_ULEV1b_BLOCKS 0x20
23 #define MAX_NTAG_213 0x2c
24 #define MAX_NTAG_215 0x86
25 #define MAX_NTAG_216 0xe6
26
27 #define KEYS_3DES_COUNT 7
28 uint8_t default_3des_keys[KEYS_3DES_COUNT][16] = {
29 { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
30 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
31 { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
32 { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
33 { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
34 { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
35 { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF }, // 11 22 33
36 };
37
38 #define KEYS_PWD_COUNT 10
39 uint8_t default_pwd_pack[KEYS_PWD_COUNT][4] = {
40 {0xFF,0xFF,0xFF,0xFF}, // PACK 0x00,0x00 -- factory default
41
42 {0x4A,0xF8,0x4B,0x19}, // PACK 0xE5,0xBE -- italian bus (sniffed)
43 {0x33,0x6B,0xA1,0x19}, // PACK 0x9c,0x2d -- italian bus (sniffed)
44 {0xFF,0x90,0x6C,0xB2}, // PACK 0x12,0x9e -- italian bus (sniffed)
45 {0x46,0x1c,0xA3,0x19}, // PACK 0xE9,0x5A -- italian bus (sniffed)
46 {0x35,0x1C,0xD0,0x19}, // PACK 0x9A,0x5a -- italian bus (sniffed)
47
48 {0x05,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- Amiiboo (sniffed) pikachu-b UID:
49 {0x7E,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- AMiiboo (sniffed)
50 {0x02,0xE1,0xEE,0x36}, // PACK 0x80,0x80 -- AMiiboo (sniffed) sonic UID: 04d257 7ae33e8027
51 {0x32,0x0C,0x16,0x17}, // PACK 0x80,0x80 -- AMiiboo (sniffed)
52 };
53
54 #define MAX_UL_TYPES 13
55 uint16_t UL_TYPES_ARRAY[MAX_UL_TYPES] = {UNKNOWN, UL, UL_C, UL_EV1_48, UL_EV1_128,
56 NTAG, NTAG_213, NTAG_215, NTAG_216, MY_D, MY_D_NFC, MY_D_MOVE, MY_D_MOVE_NFC};
57 uint8_t UL_MEMORY_ARRAY[MAX_UL_TYPES] = {MAX_UL_BLOCKS, MAX_UL_BLOCKS, MAX_ULC_BLOCKS,
58 MAX_ULEV1a_BLOCKS, MAX_ULEV1b_BLOCKS, MAX_NTAG_213, MAX_NTAG_213, MAX_NTAG_215,
59 MAX_NTAG_216, MAX_UL_BLOCKS, MAX_UL_BLOCKS, MAX_UL_BLOCKS, MAX_UL_BLOCKS};
60
61
62 static int CmdHelp(const char *Cmd);
63
64 char* getProductTypeStr( uint8_t id){
65
66 static char buf[20];
67 char *retStr = buf;
68
69 switch(id) {
70 case 3:
71 sprintf(retStr, "%02X, %s", id, "Ultralight");
72 break;
73 case 4:
74 sprintf(retStr, "%02X, %s", id, "NTAG");
75 break;
76 default:
77 sprintf(retStr, "%02X, %s", id, "unknown");
78 break;
79 }
80 return buf;
81 }
82
83 /*
84 The 7 MSBits (=n) code the storage size itself based on 2^n,
85 the LSBit is set to '0' if the size is exactly 2^n
86 and set to '1' if the storage size is between 2^n and 2^(n+1).
87 */
88 char* getUlev1CardSizeStr( uint8_t fsize ){
89
90 static char buf[40];
91 char *retStr = buf;
92 memset(buf, 0, sizeof(buf));
93
94 uint16_t usize = 1 << ((fsize >>1) + 1);
95 uint16_t lsize = 1 << (fsize >>1);
96
97 // is LSB set?
98 if ( fsize & 1 )
99 sprintf(retStr, "%02X (%u <-> %u bytes)", fsize, usize, lsize);
100 else
101 sprintf(retStr, "%02X (%u bytes)", fsize, lsize);
102 return buf;
103 }
104
105 static void ul_switch_on_field(void) {
106 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
107 SendCommand(&c);
108 }
109
110 void ul_switch_off_field(void) {
111 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
112 SendCommand(&c);
113 }
114
115 static int ul_send_cmd_raw( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength ) {
116 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_APPEND_CRC, cmdlen, 0}};
117 memcpy(c.d.asBytes, cmd, cmdlen);
118 SendCommand(&c);
119 UsbCommand resp;
120 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
121 if ( !resp.arg[0] && responseLength) return -1;
122
123 uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
124 memcpy(response, resp.d.asBytes, resplen);
125 return resplen;
126 }
127 /*
128 static int ul_send_cmd_raw_crc( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength, bool append_crc ) {
129 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT , cmdlen, 0}};
130 if (append_crc)
131 c.arg[0] |= ISO14A_APPEND_CRC;
132
133 memcpy(c.d.asBytes, cmd, cmdlen);
134 SendCommand(&c);
135 UsbCommand resp;
136 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
137 if (!resp.arg[0] && responseLength) return -1;
138
139 uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
140 memcpy(response, resp.d.asBytes, resplen );
141 return resplen;
142 }
143 */
144 static int ul_select( iso14a_card_select_t *card ){
145
146 ul_switch_on_field();
147
148 UsbCommand resp;
149 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
150 if (resp.arg[0] < 1) return -1;
151
152 memcpy(card, resp.d.asBytes, sizeof(iso14a_card_select_t));
153 return resp.arg[0];
154 }
155
156 // This read command will at least return 16bytes.
157 static int ul_read( uint8_t page, uint8_t *response, uint16_t responseLength ){
158
159 uint8_t cmd[] = {ISO14443A_CMD_READBLOCK, page};
160 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
161 return len;
162 }
163
164 static int ul_comp_write( uint8_t page, uint8_t *data, uint8_t datalen ){
165
166 uint8_t cmd[18];
167 memset(cmd, 0x00, sizeof(cmd));
168 datalen = ( datalen > 16) ? 16 : datalen;
169
170 cmd[0] = ISO14443A_CMD_WRITEBLOCK;
171 cmd[1] = page;
172 memcpy(cmd+2, data, datalen);
173
174 uint8_t response[1] = {0xff};
175 ul_send_cmd_raw(cmd, 2+datalen, response, sizeof(response));
176 // ACK
177 if ( response[0] == 0x0a ) return 0;
178 // NACK
179 return -1;
180 }
181
182 static int ulc_requestAuthentication( uint8_t *nonce, uint16_t nonceLength ){
183
184 uint8_t cmd[] = {MIFARE_ULC_AUTH_1, 0x00};
185 int len = ul_send_cmd_raw(cmd, sizeof(cmd), nonce, nonceLength);
186 return len;
187 }
188
189 static int ulc_authentication( uint8_t *key, bool switch_off_field ){
190
191 UsbCommand c = {CMD_MIFAREUC_AUTH, {switch_off_field}};
192 memcpy(c.d.asBytes, key, 16);
193 SendCommand(&c);
194 UsbCommand resp;
195 if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return 0;
196 if ( resp.arg[0] == 1 ) return 1;
197
198 return 0;
199 }
200
201 static int ulev1_requestAuthentication( uint8_t *pwd, uint8_t *pack, uint16_t packLength ){
202
203 uint8_t cmd[] = {MIFARE_ULEV1_AUTH, pwd[0], pwd[1], pwd[2], pwd[3]};
204 int len = ul_send_cmd_raw(cmd, sizeof(cmd), pack, packLength);
205 return len;
206 }
207
208 static int ulev1_getVersion( uint8_t *response, uint16_t responseLength ){
209
210 uint8_t cmd[] = {MIFARE_ULEV1_VERSION};
211 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
212 return len;
213 }
214
215 // static int ulev1_fastRead( uint8_t startblock, uint8_t endblock, uint8_t *response ){
216
217 // uint8_t cmd[] = {MIFARE_ULEV1_FASTREAD, startblock, endblock};
218
219 // if ( !ul_send_cmd_raw(cmd, sizeof(cmd), response)){
220 // return -1;
221 // }
222 // return 0;
223 // }
224
225 static int ulev1_readCounter( uint8_t counter, uint8_t *response, uint16_t responseLength ){
226
227 uint8_t cmd[] = {MIFARE_ULEV1_READ_CNT, counter};
228 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
229 return len;
230 }
231
232 static int ulev1_readTearing( uint8_t counter, uint8_t *response, uint16_t responseLength ){
233
234 uint8_t cmd[] = {MIFARE_ULEV1_CHECKTEAR, counter};
235 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
236 return len;
237 }
238
239 static int ulev1_readSignature( uint8_t *response, uint16_t responseLength ){
240
241 uint8_t cmd[] = {MIFARE_ULEV1_READSIG, 0x00};
242 int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
243 return len;
244 }
245
246 static int ul_print_default( uint8_t *data){
247
248 uint8_t uid[7];
249 uid[0] = data[0];
250 uid[1] = data[1];
251 uid[2] = data[2];
252 uid[3] = data[4];
253 uid[4] = data[5];
254 uid[5] = data[6];
255 uid[6] = data[7];
256
257 PrintAndLog(" UID : %s ", sprint_hex(uid, 7));
258 PrintAndLog(" UID[0] : %02X, Manufacturer: %s", uid[0], getTagInfo(uid[0]) );
259 if ( uid[0] == 0x05 ) {
260 uint8_t chip = (data[8] & 0xC7); // 11000111 mask, bit 3,4,5 RFU
261 switch (chip){
262 case 0xc2: PrintAndLog(" IC type : SLE 66R04P"); break;
263 case 0xc4: PrintAndLog(" IC type : SLE 66R16P"); break;
264 case 0xc6: PrintAndLog(" IC type : SLE 66R32P"); break;
265 }
266 }
267 // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
268 int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
269 if ( data[3] == crc0 )
270 PrintAndLog(" BCC0 : %02X, Ok", data[3]);
271 else
272 PrintAndLog(" BCC0 : %02X, crc should be %02X", data[3], crc0);
273
274 int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
275 if ( data[8] == crc1 )
276 PrintAndLog(" BCC1 : %02X, Ok", data[8]);
277 else
278 PrintAndLog(" BCC1 : %02X, crc should be %02X", data[8], crc1 );
279
280 PrintAndLog(" Internal : %02X, %sdefault", data[9], (data[9]==0x48)?"":"not " );
281
282 PrintAndLog(" Lock : %s - %s",
283 sprint_hex(data+10, 2),
284 printBits(2, data+10)
285 );
286
287 PrintAndLog("OneTimePad : %s - %s\n",
288 sprint_hex(data + 12, 4),
289 printBits(4, data+12)
290 );
291
292 return 0;
293 }
294
295 static int ntag_print_CC(uint8_t *data) {
296
297 PrintAndLog("\n--- NTAG NDEF Message");
298
299 if(data[0] != 0xe1) {
300 PrintAndLog("no NDEF message");
301 return -1; // no NDEF message
302 }
303
304 PrintAndLog("Capability Container: %s", sprint_hex(data,4) );
305 PrintAndLog(" %02X: NDEF Magic Number", data[0]);
306 PrintAndLog(" %02X: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
307 PrintAndLog(" %02X: Physical Memory Size: %d bytes", data[2], (data[2] + 1) * 8);
308 if ( data[2] == 0x12 )
309 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 144);
310 else if ( data[2] == 0x3e )
311 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 496);
312 else if ( data[2] == 0x6d )
313 PrintAndLog(" %02X: NDEF Memory Size: %d bytes", data[2], 872);
314
315 PrintAndLog(" %02X: %s / %s", data[3],
316 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
317 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
318 return 0;
319 }
320
321 int ul_print_type(uint16_t tagtype, uint8_t spaces){
322 char spc[11] = " ";
323 spc[10]=0x00;
324 char *spacer = spc + (10-spaces);
325
326 if ( tagtype & UL )
327 PrintAndLog("%sTYPE : MIFARE Ultralight (MF0ICU1) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
328 else if ( tagtype & UL_C)
329 PrintAndLog("%sTYPE : MIFARE Ultralight C (MF0ULC) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
330 else if ( tagtype & UL_EV1_48)
331 PrintAndLog("%sTYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)", spacer);
332 else if ( tagtype & UL_EV1_128)
333 PrintAndLog("%sTYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101)", spacer);
334 else if ( tagtype & NTAG_203 )
335 PrintAndLog("%sTYPE : NTAG 203 144bytes (NT2H0301G0DU)", spacer);
336 else if ( tagtype & NTAG_213 )
337 PrintAndLog("%sTYPE : NTAG 213 144bytes (NT2H1311G0DU)", spacer);
338 else if ( tagtype & NTAG_215 )
339 PrintAndLog("%sTYPE : NTAG 215 504bytes (NT2H1511G0DU)", spacer);
340 else if ( tagtype & NTAG_216 )
341 PrintAndLog("%sTYPE : NTAG 216 888bytes (NT2H1611G0DU)", spacer);
342 else if ( tagtype & MY_D )
343 PrintAndLog("%sTYPE : INFINEON my-d\x99", spacer);
344 else if ( tagtype & MY_D_NFC )
345 PrintAndLog("%sTYPE : INFINEON my-d\x99 NFC", spacer);
346 else if ( tagtype & MY_D_MOVE )
347 PrintAndLog("%sTYPE : INFINEON my-d\x99 move", spacer);
348 else if ( tagtype & MY_D_MOVE_NFC )
349 PrintAndLog("%sTYPE : INFINEON my-d\x99 move NFC", spacer);
350 else
351 PrintAndLog("%sTYPE : Unknown %04x", spacer, tagtype);
352 return 0;
353 }
354
355 static int ulc_print_3deskey( uint8_t *data){
356 PrintAndLog(" deskey1 [44/0x2C]: %s [%.4s]", sprint_hex(data ,4),data);
357 PrintAndLog(" deskey1 [45/0x2D]: %s [%.4s]", sprint_hex(data+4 ,4),data+4);
358 PrintAndLog(" deskey2 [46/0x2E]: %s [%.4s]", sprint_hex(data+8 ,4),data+8);
359 PrintAndLog(" deskey2 [47/0x2F]: %s [%.4s]", sprint_hex(data+12,4),data+12);
360 PrintAndLog("\n 3des key : %s", sprint_hex(SwapEndian64(data, 16, 8), 16));
361 return 0;
362 }
363
364 static int ulc_print_configuration( uint8_t *data){
365
366 PrintAndLog("--- UL-C Configuration");
367 PrintAndLog(" Higher Lockbits [40/0x28]: %s - %s", sprint_hex(data, 4), printBits(2, data));
368 PrintAndLog(" Counter [41/0x29]: %s - %s", sprint_hex(data+4, 4), printBits(2, data+4));
369
370 bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
371 if ( validAuth )
372 PrintAndLog(" Auth0 [42/0x2A]: %s page %d/0x%02X and above need authentication", sprint_hex(data+8, 4), data[8],data[8] );
373 else{
374 if ( data[8] == 0){
375 PrintAndLog(" Auth0 [42/0x2A]: %s default", sprint_hex(data+8, 4) );
376 } else {
377 PrintAndLog(" Auth0 [42/0x2A]: %s auth byte is out-of-range", sprint_hex(data+8, 4) );
378 }
379 }
380 PrintAndLog(" Auth1 [43/0x2B]: %s %s",
381 sprint_hex(data+12, 4),
382 (data[12] & 1) ? "write access restricted": "read and write access restricted"
383 );
384 return 0;
385 }
386
387 static int ulev1_print_configuration( uint8_t *data){
388
389 PrintAndLog("\n--- UL-EV1 Configuration");
390
391 bool strg_mod_en = (data[0] & 2);
392 uint8_t authlim = (data[4] & 0x07);
393 bool cfglck = (data[4] & 0x40);
394 bool prot = (data[4] & 0x80);
395 uint8_t vctid = data[5];
396
397 PrintAndLog(" cfg0 [16/0x10]: %s", sprint_hex(data, 4));
398 if ( data[3] < 0xff )
399 PrintAndLog(" - page %d and above need authentication",data[3]);
400 else
401 PrintAndLog(" - pages don't need authentication");
402 PrintAndLog(" - strong modulation mode %s", (strg_mod_en) ? "enabled":"disabled");
403 PrintAndLog(" cfg1 [17/0x11]: %s", sprint_hex(data+4, 4) );
404 if ( authlim == 0)
405 PrintAndLog(" - Unlimited password attempts");
406 else
407 PrintAndLog(" - Max number of password attempts is %d", authlim);
408 PrintAndLog(" - user configuration %s", cfglck ? "permanently locked":"writeable");
409 PrintAndLog(" - %s access is protected with password", prot ? "read and write":"write");
410 PrintAndLog(" %02X - Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
411 PrintAndLog(" PWD [18/0x12]: %s", sprint_hex(data+8, 4));
412 PrintAndLog(" PACK [19/0x13]: %s", sprint_hex(data+12, 4));
413 return 0;
414 }
415
416 static int ulev1_print_counters(){
417 PrintAndLog("--- UL-EV1 Counters");
418 uint8_t tear[1] = {0};
419 uint8_t counter[3] = {0,0,0};
420 for ( uint8_t i = 0; i<3; ++i) {
421 ulev1_readTearing(i,tear,sizeof(tear));
422 ulev1_readCounter(i,counter, sizeof(counter) );
423 PrintAndLog(" [%0d] : %s", i, sprint_hex(counter,3));
424 PrintAndLog(" - %02X tearing %s", tear[0], ( tear[0]==0xBD)?"Ok":"failure");
425 }
426 return 0;
427 }
428
429 static int ulev1_print_signature( uint8_t *data, uint8_t len){
430 PrintAndLog("\n--- UL-EV1 Signature");
431 PrintAndLog("IC signature public key name : NXP NTAG21x 2013");
432 PrintAndLog("IC signature public key value : 04494e1a386d3d3cfe3dc10e5de68a499b1c202db5b132393e89ed19fe5be8bc61");
433 PrintAndLog(" Elliptic curve parameters : secp128r1");
434 PrintAndLog(" Tag ECC Signature : %s", sprint_hex(data, len));
435 //to do: verify if signature is valid
436 //PrintAndLog("IC signature status: %s valid", (iseccvalid() )?"":"not");
437 return 0;
438 }
439
440 static int ulev1_print_version(uint8_t *data){
441 PrintAndLog("\n--- UL-EV1 / NTAG Version");
442 PrintAndLog(" Raw bytes : %s", sprint_hex(data, 8) );
443 PrintAndLog(" Vendor ID : %02X, Manufacturer: %s", data[1], getTagInfo(data[1]));
444 PrintAndLog(" Product type : %s" , getProductTypeStr(data[2]));
445 PrintAndLog(" Product subtype : %02X, %s" , data[3], (data[3]==1) ?"17 pF":"50pF");
446 PrintAndLog(" Major version : %02X" , data[4]);
447 PrintAndLog(" Minor version : %02X" , data[5]);
448 PrintAndLog(" Size : %s", getUlev1CardSizeStr(data[6]));
449 PrintAndLog(" Protocol type : %02X" , data[7]);
450 return 0;
451 }
452
453 /*
454 static int ulc_magic_test(){
455 // Magic Ultralight test
456 // Magic UL-C, by observation,
457 // 1) it seems to have a static nonce response to 0x1A command.
458 // 2) the deskey bytes is not-zero:d out on as datasheet states.
459 // 3) UID - changeable, not only, but pages 0-1-2-3.
460 // 4) use the ul_magic_test ! magic tags answers specially!
461 int returnValue = UL_ERROR;
462 iso14a_card_select_t card;
463 uint8_t nonce1[11] = {0x00};
464 uint8_t nonce2[11] = {0x00};
465 int status = ul_select(&card);
466 if ( status < 1 ){
467 PrintAndLog("Error: couldn't select ulc_magic_test");
468 ul_switch_off_field();
469 return UL_ERROR;
470 }
471 status = ulc_requestAuthentication(nonce1, sizeof(nonce1));
472 if ( status > 0 ) {
473 status = ulc_requestAuthentication(nonce2, sizeof(nonce2));
474 returnValue = ( !memcmp(nonce1, nonce2, 11) ) ? UL_C_MAGIC : UL_C;
475 } else {
476 returnValue = UL;
477 }
478 ul_switch_off_field();
479 return returnValue;
480 }
481 */
482 static int ul_magic_test(){
483
484 // Magic Ultralight tests
485 // 1) take present UID, and try to write it back. OBSOLETE
486 // 2) make a wrong length write to page0, and see if tag answers with ACK/NACK:
487 iso14a_card_select_t card;
488 int status = ul_select(&card);
489 if ( status < 1 ){
490 PrintAndLog("iso14443a card select failed");
491 ul_switch_off_field();
492 return UL_ERROR;
493 }
494 status = ul_comp_write(0, NULL, 0);
495 ul_switch_off_field();
496 if ( status == 0 )
497 return UL_MAGIC;
498 return UL;
499 }
500
501 uint16_t GetHF14AMfU_Type(void){
502
503 TagTypeUL_t tagtype = UNKNOWN;
504 iso14a_card_select_t card;
505 uint8_t version[10] = {0x00};
506 int status = 0;
507 int len;
508
509 status = ul_select(&card);
510 if ( status < 1 ){
511 PrintAndLog("iso14443a card select failed");
512 ul_switch_off_field();
513 return UL_ERROR;
514 }
515 // Ultralight - ATQA / SAK
516 if ( card.atqa[1] != 0x00 || card.atqa[0] != 0x44 || card.sak != 0x00 ) {
517 PrintAndLog("Tag is not Ultralight | NTAG | MY-D [ATQA: %02X %02X SAK: %02X]\n", card.atqa[1], card.atqa[0], card.sak);
518 ul_switch_off_field();
519 return UL_ERROR;
520 }
521
522 if ( card.uid[0] != 0x05) {
523
524 len = ulev1_getVersion(version, sizeof(version));
525 ul_switch_off_field();
526
527 switch (len) {
528 case 0x0A: {
529
530 if ( version[2] == 0x03 && version[6] == 0x0B )
531 tagtype = UL_EV1_48;
532 else if ( version[2] == 0x03 && version[6] != 0x0B )
533 tagtype = UL_EV1_128;
534 else if ( version[2] == 0x04 && version[6] == 0x0F )
535 tagtype = NTAG_213;
536 else if ( version[2] == 0x04 && version[6] == 0x11 )
537 tagtype = NTAG_215;
538 else if ( version[2] == 0x04 && version[6] == 0x13 )
539 tagtype = NTAG_216;
540 else if ( version[2] == 0x04 )
541 tagtype = NTAG;
542
543 break;
544 }
545 case 0x01: tagtype = UL_C; break;
546 case 0x00: tagtype = UL; break;
547 case -1 : tagtype = (UL | UL_C); break; //when does this happen?
548 default : tagtype = UNKNOWN; break;
549 }
550 // UL-C test
551 if (tagtype == (UL | UL_C)) {
552 status = ul_select(&card);
553 if ( status < 1 ){
554 PrintAndLog("iso14443a card select failed (UL-C)");
555 ul_switch_off_field();
556 return UL_ERROR;
557 }
558 uint8_t nonce[11] = {0x00};
559 status = ulc_requestAuthentication(nonce, sizeof(nonce));
560 tagtype = ( status > 0 ) ? UL_C : UL;
561
562 ul_switch_off_field();
563 }
564
565 //NTAG203 detection here.
566
567 } else {
568 // Infinition MY-D tests Exam high nibble
569 uint8_t nib = (card.uid[1] & 0xf0) >> 4;
570 switch ( nib ){
571 case 1: tagtype = MY_D; break;
572 case 2: tagtype = (MY_D | MY_D_NFC); break;
573 case 3: tagtype = (MY_D_MOVE | MY_D_MOVE_NFC); break;
574 }
575 }
576
577 tagtype = (ul_magic_test() == UL_MAGIC) ? (tagtype | MAGIC) : tagtype;
578 //if ((tagtype & UL)) tagtype = ul_magic_test();
579
580 return tagtype;
581 }
582
583 int CmdHF14AMfUInfo(const char *Cmd){
584
585 uint8_t authlim = 0xff;
586 uint8_t data[16] = {0x00};
587 iso14a_card_select_t card;
588 uint8_t *key;
589 int status;
590 bool errors = false;
591 bool hasAuthKey = false;
592 uint8_t cmdp = 0;
593 uint8_t datalen = 0;
594 uint8_t authenticationkey[16] = {0x00};
595 uint8_t pack[4] = {0,0,0,0};
596 int len=0;
597
598 while(param_getchar(Cmd, cmdp) != 0x00)
599 {
600 switch(param_getchar(Cmd, cmdp))
601 {
602 case 'h':
603 case 'H':
604 return usage_hf_mfu_info();
605 case 'k':
606 case 'K':
607 // EV1/NTAG size key
608 datalen = param_gethex(Cmd, cmdp+1, data, 8);
609 if ( !datalen ) {
610 memcpy(authenticationkey, data, 4);
611 cmdp += 2;
612 hasAuthKey = true;
613 break;
614 }
615 // UL-C size key
616 datalen = param_gethex(Cmd, cmdp+1, data, 32);
617 if (!datalen){
618 memcpy(authenticationkey, data, 16);
619 cmdp += 2;
620 hasAuthKey = true;
621 break;
622 }
623 errors = true;
624 break;
625 default:
626 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
627 errors = true;
628 break;
629 }
630 if(errors) break;
631 }
632
633 //Validations
634 if(errors) return usage_hf_mfu_info();
635
636 TagTypeUL_t tagtype = GetHF14AMfU_Type();
637 if (tagtype == UL_ERROR) return -1;
638
639 PrintAndLog("\n--- Tag Information ---------");
640 PrintAndLog("-------------------------------------------------------------");
641 ul_print_type(tagtype, 6);
642
643 if ( hasAuthKey && (tagtype & UL_C)) {
644 //will select card automatically and close connection on error
645 if (!ulc_authentication(authenticationkey, false)) {
646 PrintAndLog("Error: Authentication Failed UL-C");
647 return 0;
648 }
649 } else {
650 status = ul_select(&card);
651 if ( status < 1 ){
652 PrintAndLog("iso14443a card select failed");
653 ul_switch_off_field();
654 return status;
655 }
656 if (hasAuthKey) {
657 len = ulev1_requestAuthentication(authenticationkey, pack, sizeof(pack));
658 if (len < 1) {
659 ul_switch_off_field();
660 PrintAndLog("Error: Authentication Failed UL-EV1/NTAG");
661 return 0;
662 }
663 }
664 }
665
666
667 // read pages 0,1,2,4 (should read 4pages)
668 status = ul_read(0, data, sizeof(data));
669 if ( status == -1 ){
670 ul_switch_off_field();
671 PrintAndLog("Error: tag didn't answer to READ");
672 return status;
673 }
674
675 ul_print_default(data);
676
677 if ((tagtype & UL_C)){
678
679 // read pages 0x28, 0x29, 0x2A, 0x2B
680 uint8_t ulc_conf[16] = {0x00};
681 status = ul_read(0x28, ulc_conf, sizeof(ulc_conf));
682 if ( status == -1 ){
683 PrintAndLog("Error: tag didn't answer to READ UL-C");
684 ul_switch_off_field();
685 return status;
686 }
687 ulc_print_configuration(ulc_conf);
688
689 if ((tagtype & MAGIC)){
690
691 uint8_t ulc_deskey[16] = {0x00};
692 status = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
693 if ( status == -1 ){
694 ul_switch_off_field();
695 PrintAndLog("Error: tag didn't answer to READ magic");
696 return status;
697 }
698 ulc_print_3deskey(ulc_deskey);
699
700 } else {
701 ul_switch_off_field();
702 // if we called info with key, just return
703 if ( hasAuthKey ) return 1;
704
705 // also try to diversify default keys.. look into CmdHF14AMfuGenDiverseKeys
706 PrintAndLog("Trying some default 3des keys");
707 for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ){
708 key = default_3des_keys[i];
709 if (ulc_authentication(key, true)){
710 PrintAndLog("Found default 3des key: "); //%s", sprint_hex(key,16));
711 uint8_t keySwap[16];
712 memcpy(keySwap, SwapEndian64(key,16,8), 16);
713 ulc_print_3deskey(keySwap);
714 return 1;
715 }
716 }
717 return 1; //return even if key not found (UL_C is done)
718 }
719 }
720
721 if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
722
723 ulev1_print_counters();
724
725 uint8_t ulev1_signature[32] = {0x00};
726 status = ulev1_readSignature( ulev1_signature, sizeof(ulev1_signature));
727 if ( status == -1 ){
728 PrintAndLog("Error: tag didn't answer to READ SIGNATURE");
729 ul_switch_off_field();
730 return status;
731 }
732 ulev1_print_signature( ulev1_signature, sizeof(ulev1_signature));
733
734 uint8_t startconfigblock = (tagtype & UL_EV1_48) ? 0x10 : 0x25;
735 uint8_t ulev1_conf[16] = {0x00};
736 status = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
737 if ( status == -1 ){
738 PrintAndLog("Error: tag didn't answer to READ EV1");
739 ul_switch_off_field();
740 return status;
741 }
742 // save AUTHENTICATION LIMITS for later:
743 authlim = (ulev1_conf[4] & 0x07);
744 bool allZeros = true;
745 for (uint8_t idx=0; idx<8; idx++)
746 if (ulev1_conf[idx]) allZeros = false;
747
748 if (allZeros) authlim=7;
749 ulev1_print_configuration(ulev1_conf);
750 }
751
752 if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216))) {
753
754 uint8_t version[10] = {0x00};
755 status = ulev1_getVersion(version, sizeof(version));
756 if ( status == -1 ){
757 PrintAndLog("Error: tag didn't answer to GETVERSION");
758 ul_switch_off_field();
759 return status;
760 }
761 ulev1_print_version(version);
762
763 // if we called info with key, just return
764 if ( hasAuthKey ) {
765 ul_switch_off_field();
766 return 1;
767 }
768
769 // AUTHLIMIT, (number of failed authentications)
770 // 0 = limitless.
771 // 1-7 = ... should we even try then?
772 if ( authlim == 0 ){
773 PrintAndLog("\n--- Known EV1/NTAG passwords.");
774 len = 0;
775 for (uint8_t i = 0; i < KEYS_PWD_COUNT; ++i ){
776 key = default_pwd_pack[i];
777 len = ulev1_requestAuthentication(key, pack, sizeof(pack));
778 if (len >= 1) {
779 PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
780 break;
781 } else {
782 status = ul_select(&card);
783 if ( status < 1 ){
784 PrintAndLog("iso14443a card select failed - ev1 auth");
785 ul_switch_off_field();
786 return status;
787 }
788 }
789 }
790 }
791 }
792
793 if ((tagtype & (NTAG_213 | NTAG_215 | NTAG_216))){
794
795 uint8_t cc[16] = {0x00};
796 status = ul_read(3, cc, sizeof(cc));
797 if ( status == -1 ){
798 PrintAndLog("Error: tag didn't answer to READ ntag");
799 ul_switch_off_field();
800 return status;
801 }
802 ntag_print_CC(cc);
803 }
804
805 ul_switch_off_field();
806 PrintAndLog("");
807 return 1;
808 }
809
810 //
811 // Mifare Ultralight Write Single Block
812 //
813 int CmdHF14AMfUWrBl(const char *Cmd){
814 uint8_t blockNo = -1;
815 bool chinese_card = FALSE;
816 uint8_t bldata[16] = {0x00};
817 UsbCommand resp;
818
819 char cmdp = param_getchar(Cmd, 0);
820 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
821 PrintAndLog("Usage: hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
822 PrintAndLog(" [block number]");
823 PrintAndLog(" [block data] - (8 hex symbols)");
824 PrintAndLog(" [w] - Chinese magic ultralight tag");
825 PrintAndLog("");
826 PrintAndLog(" sample: hf mfu wrbl 0 01020304");
827 PrintAndLog("");
828 return 0;
829 }
830
831 blockNo = param_get8(Cmd, 0);
832
833 if (blockNo > MAX_UL_BLOCKS){
834 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
835 return 1;
836 }
837
838 if (param_gethex(Cmd, 1, bldata, 8)) {
839 PrintAndLog("Block data must include 8 HEX symbols");
840 return 1;
841 }
842
843 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
844 chinese_card = TRUE;
845 }
846
847 if ( blockNo <= 3) {
848 if (!chinese_card){
849 PrintAndLog("Access Denied");
850 } else {
851 PrintAndLog("--specialblock no:%02x", blockNo);
852 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
853 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
854 memcpy(d.d.asBytes,bldata, 4);
855 SendCommand(&d);
856 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
857 uint8_t isOK = resp.arg[0] & 0xff;
858 PrintAndLog("isOk:%02x", isOK);
859 } else {
860 PrintAndLog("Command execute timeout");
861 }
862 }
863 } else {
864 PrintAndLog("--block no:%02x", blockNo);
865 PrintAndLog("--data: %s", sprint_hex(bldata, 4));
866 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
867 memcpy(e.d.asBytes,bldata, 4);
868 SendCommand(&e);
869 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
870 uint8_t isOK = resp.arg[0] & 0xff;
871 PrintAndLog("isOk:%02x", isOK);
872 } else {
873 PrintAndLog("Command execute timeout");
874 }
875 }
876 return 0;
877 }
878
879 //
880 // Mifare Ultralight Read Single Block
881 //
882 int CmdHF14AMfURdBl(const char *Cmd){
883
884 UsbCommand resp;
885 uint8_t blockNo = -1;
886 char cmdp = param_getchar(Cmd, 0);
887
888 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
889 PrintAndLog("Usage: hf mfu rdbl <block number>");
890 PrintAndLog(" sample: hfu mfu rdbl 0");
891 return 0;
892 }
893
894 blockNo = param_get8(Cmd, 0);
895
896 if (blockNo > MAX_UL_BLOCKS){
897 PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
898 return 1;
899 }
900
901 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
902 SendCommand(&c);
903
904
905 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
906 uint8_t isOK = resp.arg[0] & 0xff;
907 if (isOK) {
908 uint8_t *data = resp.d.asBytes;
909 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
910 }
911 else {
912 PrintAndLog("Failed reading block: (%02x)", isOK);
913 }
914 } else {
915 PrintAndLog("Command execute time-out");
916 }
917
918 return 0;
919 }
920
921 int usage_hf_mfu_info(void)
922 {
923 PrintAndLog("It gathers information about the tag and tries to detect what kind it is.");
924 PrintAndLog("Sometimes the tags are locked down, and you may need a key to be able to read the information");
925 PrintAndLog("The following tags can be identified:\n");
926 PrintAndLog("Ultralight, Ultralight-C, Ultralight EV1");
927 PrintAndLog("NTAG 213, NTAG 215, NTAG 216");
928 PrintAndLog("my-d, my-d NFC, my-d move, my-d move NFC\n");
929 PrintAndLog("Usage: hf mfu info k <key>");
930 PrintAndLog(" Options : ");
931 PrintAndLog(" k <key> : key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
932 PrintAndLog("");
933 PrintAndLog(" sample : hf mfu info");
934 PrintAndLog(" : hf mfu info k 11223344");
935 return 0;
936 }
937
938 int usage_hf_mfu_dump(void)
939 {
940 PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
941 PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
942 PrintAndLog("It autodetects card type.\n");
943 PrintAndLog("Usage: hf mfu dump l k <key> n <filename w/o .bin> p <> q <>");
944 PrintAndLog(" Options : ");
945 PrintAndLog(" k <key> : key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
946 PrintAndLog(" l : swap entered key's endianness for auth");
947 PrintAndLog(" n <FN > : filename w/o .bin to save the dump as");
948 PrintAndLog(" p <Pg > : starting Page number to manually set a page to start the dump at");
949 PrintAndLog(" q <qty> : number of Pages to manually set how many pages to dump");
950
951 PrintAndLog("");
952 PrintAndLog(" sample : hf mfu dump");
953 PrintAndLog(" : hf mfu dump n myfile");
954 PrintAndLog(" : hf mfu dump k 00112233445566778899AABBCCDDEEFF");
955 return 0;
956 }
957
958 //
959 // Mifare Ultralight / Ultralight-C / Ultralight-EV1
960 // Read and Dump Card Contents, using auto detection of tag size.
961 //
962 // TODO: take a password to read UL-C / UL-EV1 tags.
963 int CmdHF14AMfUDump(const char *Cmd){
964
965 FILE *fout;
966 char filename[FILE_PATH_SIZE] = {0x00};
967 char * fnameptr = filename;
968 uint8_t *lockbytes_t = NULL;
969 uint8_t lockbytes[2] = {0x00};
970 uint8_t *lockbytes_t2 = NULL;
971 uint8_t lockbytes2[2] = {0x00};
972 bool bit[16] = {0x00};
973 bool bit2[16] = {0x00};
974 uint8_t data[1024] = {0x00};
975 bool hasPwd = false;
976 int i = 0;
977 int Pages = 16;
978 bool tmplockbit = false;
979 uint8_t dataLen=0;
980 uint8_t cmdp =0;
981 uint8_t key[16] = {0x00};
982 uint8_t *keyPtr = key;
983 size_t fileNlen = 0;
984 bool errors = false;
985 bool swapEndian = false;
986 bool manualPages = false;
987 uint8_t startPage = 0;
988 char tempStr[50];
989
990 while(param_getchar(Cmd, cmdp) != 0x00)
991 {
992 switch(param_getchar(Cmd, cmdp))
993 {
994 case 'h':
995 case 'H':
996 return usage_hf_mfu_dump();
997 case 'k':
998 case 'K':
999 dataLen = param_getstr(Cmd, cmdp+1, tempStr);
1000 if (dataLen == 32) //ul-c
1001 errors = param_gethex(tempStr, 0, key, dataLen);
1002 else if (dataLen == 8) //ev1/ntag
1003 errors = param_gethex(tempStr, 0, key, dataLen);
1004 else{
1005 PrintAndLog("\nERROR: Key is incorrect length\n");
1006 errors = true;
1007 }
1008
1009 cmdp += 2;
1010 hasPwd = true;
1011 break;
1012 case 'l':
1013 case 'L':
1014 swapEndian = true;
1015 cmdp++;
1016 break;
1017 case 'n':
1018 case 'N':
1019 fileNlen = param_getstr(Cmd, cmdp+1, filename);
1020 if (!fileNlen) errors = true;
1021 if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
1022 cmdp += 2;
1023 break;
1024 case 'p':
1025 case 'P':
1026 startPage = param_get8(Cmd, cmdp+1);
1027 manualPages = true;
1028 cmdp += 2;
1029 break;
1030 case 'q':
1031 case 'Q':
1032 Pages = param_get8(Cmd, cmdp+1);
1033 cmdp += 2;
1034 manualPages = true;
1035 break;
1036 default:
1037 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
1038 errors = true;
1039 break;
1040 }
1041 if(errors) break;
1042 }
1043
1044 //Validations
1045 if(errors) return usage_hf_mfu_dump();
1046
1047 if (swapEndian && dataLen == 32)
1048 keyPtr = SwapEndian64(data, 16, 8);
1049
1050 TagTypeUL_t tagtype = GetHF14AMfU_Type();
1051 if (tagtype == UL_ERROR) return -1;
1052
1053 if (!manualPages)
1054 for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++)
1055 if (tagtype & UL_TYPES_ARRAY[idx])
1056 Pages = UL_MEMORY_ARRAY[idx]+1;
1057
1058 ul_print_type(tagtype, 0);
1059 PrintAndLog("Reading tag memory...");
1060 UsbCommand c = {CMD_MIFAREU_READCARD, {startPage,Pages}};
1061 if ( hasPwd ) {
1062 if (tagtype & UL_C)
1063 c.arg[2] = 1; //UL_C auth
1064 else
1065 c.arg[2] = 2; //UL_EV1/NTAG auth
1066
1067 memcpy(c.d.asBytes, key, dataLen/2);
1068 }
1069 SendCommand(&c);
1070 UsbCommand resp;
1071 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1072 PrintAndLog("Command execute time-out");
1073 return 1;
1074 }
1075 if (resp.arg[0] != 1) {
1076 PrintAndLog("Failed reading block: (%02x)", i);
1077 return 1;
1078 }
1079
1080 uint32_t bufferSize = resp.arg[1];
1081 if (bufferSize > sizeof(data)) {
1082 PrintAndLog("Data exceeded Buffer size!");
1083 bufferSize = sizeof(data);
1084 }
1085 GetFromBigBuf(data, bufferSize, 0);
1086 WaitForResponse(CMD_ACK,NULL);
1087
1088 Pages = bufferSize/4;
1089 // Load lock bytes.
1090 int j = 0;
1091
1092 lockbytes_t = data + 8;
1093 lockbytes[0] = lockbytes_t[2];
1094 lockbytes[1] = lockbytes_t[3];
1095 for(j = 0; j < 16; j++){
1096 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
1097 }
1098
1099 // Load bottom lockbytes if available
1100 // HOW DOES THIS APPLY TO EV1 and/or NTAG???
1101 if ( Pages == 44 ) {
1102 lockbytes_t2 = data + (40*4);
1103 lockbytes2[0] = lockbytes_t2[2];
1104 lockbytes2[1] = lockbytes_t2[3];
1105 for (j = 0; j < 16; j++) {
1106 bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
1107 }
1108 }
1109
1110 // add keys to block dump
1111 if (hasPwd && (tagtype & UL_C)){ //UL_C
1112 memcpy(data + Pages*4, key, dataLen/2);
1113 Pages += 4;
1114 } else if (hasPwd) { //not sure output is in correct location.
1115 memcpy(data + Pages*4, key, dataLen/2);
1116 Pages += 1;
1117 }
1118
1119 for (i = 0; i < Pages; ++i) {
1120 if ( i < 3 ) {
1121 PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
1122 continue;
1123 }
1124 switch(i){
1125 case 3: tmplockbit = bit[4]; break;
1126 case 4: tmplockbit = bit[3]; break;
1127 case 5: tmplockbit = bit[2]; break;
1128 case 6: tmplockbit = bit[1]; break;
1129 case 7: tmplockbit = bit[0]; break;
1130 case 8: tmplockbit = bit[15]; break;
1131 case 9: tmplockbit = bit[14]; break;
1132 case 10: tmplockbit = bit[13]; break;
1133 case 11: tmplockbit = bit[12]; break;
1134 case 12: tmplockbit = bit[11]; break;
1135 case 13: tmplockbit = bit[10]; break;
1136 case 14: tmplockbit = bit[9]; break;
1137 case 15: tmplockbit = bit[8]; break;
1138 case 16:
1139 case 17:
1140 case 18:
1141 case 19: tmplockbit = bit2[6]; break;
1142 case 20:
1143 case 21:
1144 case 22:
1145 case 23: tmplockbit = bit2[5]; break;
1146 case 24:
1147 case 25:
1148 case 26:
1149 case 27: tmplockbit = bit2[4]; break;
1150 case 28:
1151 case 29:
1152 case 30:
1153 case 31: tmplockbit = bit2[2]; break;
1154 case 32:
1155 case 33:
1156 case 34:
1157 case 35: tmplockbit = bit2[1]; break;
1158 case 36:
1159 case 37:
1160 case 38:
1161 case 39: tmplockbit = bit2[0]; break;
1162 case 40: tmplockbit = bit2[12]; break;
1163 case 41: tmplockbit = bit2[11]; break;
1164 case 42: tmplockbit = bit2[10]; break; //auth0
1165 case 43: tmplockbit = bit2[9]; break; //auth1
1166 default: break;
1167 }
1168 PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
1169 }
1170
1171 // user supplied filename?
1172 if (fileNlen < 1) {
1173 // UID = data 0-1-2 4-5-6-7 (skips a beat)
1174 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
1175 data[0], data[1], data[2], data[4], data[5], data[6], data[7]);
1176 } else {
1177 sprintf(fnameptr + fileNlen,".bin");
1178 }
1179
1180 if ((fout = fopen(filename,"wb")) == NULL) {
1181 PrintAndLog("Could not create file name %s", filename);
1182 return 1;
1183 }
1184 fwrite( data, 1, Pages*4, fout );
1185 fclose(fout);
1186
1187 PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
1188 return 0;
1189 }
1190
1191 //-------------------------------------------------------------------------------
1192 // Ultralight C Methods
1193 //-------------------------------------------------------------------------------
1194
1195 //
1196 // Ultralight C Authentication Demo {currently uses hard-coded key}
1197 //
1198 int CmdHF14AMfucAuth(const char *Cmd){
1199
1200 uint8_t keyNo = 0;
1201 bool errors = false;
1202
1203 char cmdp = param_getchar(Cmd, 0);
1204
1205 //Change key to user defined one
1206 if (cmdp == 'k' || cmdp == 'K'){
1207 keyNo = param_get8(Cmd, 1);
1208 if(keyNo > KEYS_3DES_COUNT)
1209 errors = true;
1210 }
1211
1212 if (cmdp == 'h' || cmdp == 'H')
1213 errors = true;
1214
1215 if (errors) {
1216 PrintAndLog("Usage: hf mfu cauth k <key number>");
1217 PrintAndLog(" 0 (default): 3DES standard key");
1218 PrintAndLog(" 1 : all 0x00 key");
1219 PrintAndLog(" 2 : 0x00-0x0F key");
1220 PrintAndLog(" 3 : nfc key");
1221 PrintAndLog(" 4 : all 0x01 key");
1222 PrintAndLog(" 5 : all 0xff key");
1223 PrintAndLog(" 6 : 0x00-0xFF key");
1224 PrintAndLog("\n sample : hf mfu cauth k");
1225 PrintAndLog(" : hf mfu cauth k 3");
1226 return 0;
1227 }
1228
1229 uint8_t *key = default_3des_keys[keyNo];
1230 if (ulc_authentication(key, true))
1231 PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16));
1232 else
1233 PrintAndLog("Authentication failed");
1234
1235 return 0;
1236 }
1237
1238 /**
1239 A test function to validate that the polarssl-function works the same
1240 was as the openssl-implementation.
1241 Commented out, since it requires openssl
1242
1243 int CmdTestDES(const char * cmd)
1244 {
1245 uint8_t key[16] = {0x00};
1246
1247 memcpy(key,key3_3des_data,16);
1248 DES_cblock RndA, RndB;
1249
1250 PrintAndLog("----------OpenSSL DES implementation----------");
1251 {
1252 uint8_t e_RndB[8] = {0x00};
1253 unsigned char RndARndB[16] = {0x00};
1254
1255 DES_cblock iv = { 0 };
1256 DES_key_schedule ks1,ks2;
1257 DES_cblock key1,key2;
1258
1259 memcpy(key,key3_3des_data,16);
1260 memcpy(key1,key,8);
1261 memcpy(key2,key+8,8);
1262
1263
1264 DES_set_key((DES_cblock *)key1,&ks1);
1265 DES_set_key((DES_cblock *)key2,&ks2);
1266
1267 DES_random_key(&RndA);
1268 PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
1269 PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
1270 //void DES_ede2_cbc_encrypt(const unsigned char *input,
1271 // unsigned char *output, long length, DES_key_schedule *ks1,
1272 // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
1273 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
1274
1275 PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
1276 rol(RndB,8);
1277 memcpy(RndARndB,RndA,8);
1278 memcpy(RndARndB+8,RndB,8);
1279 PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
1280 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
1281 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
1282
1283 }
1284 PrintAndLog("----------PolarSSL implementation----------");
1285 {
1286 uint8_t random_a[8] = { 0 };
1287 uint8_t enc_random_a[8] = { 0 };
1288 uint8_t random_b[8] = { 0 };
1289 uint8_t enc_random_b[8] = { 0 };
1290 uint8_t random_a_and_b[16] = { 0 };
1291 des3_context ctx = { 0 };
1292
1293 memcpy(random_a, RndA,8);
1294
1295 uint8_t output[8] = { 0 };
1296 uint8_t iv[8] = { 0 };
1297
1298 PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
1299 PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
1300
1301 des3_set2key_dec(&ctx, key);
1302
1303 des3_crypt_cbc(&ctx // des3_context *ctx
1304 , DES_DECRYPT // int mode
1305 , sizeof(random_b) // size_t length
1306 , iv // unsigned char iv[8]
1307 , enc_random_b // const unsigned char *input
1308 , random_b // unsigned char *output
1309 );
1310
1311 PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
1312
1313 rol(random_b,8);
1314 memcpy(random_a_and_b ,random_a,8);
1315 memcpy(random_a_and_b+8,random_b,8);
1316
1317 PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
1318
1319 des3_set2key_enc(&ctx, key);
1320
1321 des3_crypt_cbc(&ctx // des3_context *ctx
1322 , DES_ENCRYPT // int mode
1323 , sizeof(random_a_and_b) // size_t length
1324 , enc_random_b // unsigned char iv[8]
1325 , random_a_and_b // const unsigned char *input
1326 , random_a_and_b // unsigned char *output
1327 );
1328
1329 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
1330 }
1331 return 0;
1332 }
1333 **/
1334
1335 //
1336 // Ultralight C Read Single Block
1337 //
1338 int CmdHF14AMfUCRdBl(const char *Cmd)
1339 {
1340 UsbCommand resp;
1341 bool hasPwd = FALSE;
1342 uint8_t blockNo = -1;
1343 uint8_t key[16];
1344 char cmdp = param_getchar(Cmd, 0);
1345
1346 if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
1347 PrintAndLog("Usage: hf mfu crdbl <block number> <key>");
1348 PrintAndLog("");
1349 PrintAndLog("sample: hf mfu crdbl 0");
1350 PrintAndLog(" hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
1351 return 0;
1352 }
1353
1354 blockNo = param_get8(Cmd, 0);
1355 if (blockNo < 0) {
1356 PrintAndLog("Wrong block number");
1357 return 1;
1358 }
1359
1360 if (blockNo > MAX_ULC_BLOCKS ){
1361 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
1362 return 1;
1363 }
1364
1365 // key
1366 if ( strlen(Cmd) > 3){
1367 if (param_gethex(Cmd, 1, key, 32)) {
1368 PrintAndLog("Key must include %d HEX symbols", 32);
1369 return 1;
1370 } else {
1371 hasPwd = TRUE;
1372 }
1373 }
1374
1375 //Read Block
1376 UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
1377 if ( hasPwd ) {
1378 c.arg[1] = 1;
1379 memcpy(c.d.asBytes,key,16);
1380 }
1381 SendCommand(&c);
1382
1383 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1384 uint8_t isOK = resp.arg[0] & 0xff;
1385 if (isOK) {
1386 uint8_t *data = resp.d.asBytes;
1387 PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
1388 }
1389 else {
1390 PrintAndLog("Failed reading block: (%02x)", isOK);
1391 }
1392 } else {
1393 PrintAndLog("Command execute time-out");
1394 }
1395 return 0;
1396 }
1397
1398 //
1399 // Mifare Ultralight C Write Single Block
1400 //
1401 int CmdHF14AMfUCWrBl(const char *Cmd){
1402
1403 uint8_t blockNo = -1;
1404 bool chinese_card = FALSE;
1405 uint8_t bldata[16] = {0x00};
1406 UsbCommand resp;
1407
1408 char cmdp = param_getchar(Cmd, 0);
1409
1410 if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
1411 PrintAndLog("Usage: hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
1412 PrintAndLog(" [block number]");
1413 PrintAndLog(" [block data] - (8 hex symbols)");
1414 PrintAndLog(" [w] - Chinese magic ultralight tag");
1415 PrintAndLog("");
1416 PrintAndLog(" sample: hf mfu cwrbl 0 01020304");
1417 PrintAndLog("");
1418 return 0;
1419 }
1420
1421 blockNo = param_get8(Cmd, 0);
1422 if (blockNo > MAX_ULC_BLOCKS ){
1423 PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
1424 return 1;
1425 }
1426
1427 if (param_gethex(Cmd, 1, bldata, 8)) {
1428 PrintAndLog("Block data must include 8 HEX symbols");
1429 return 1;
1430 }
1431
1432 if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
1433 chinese_card = TRUE;
1434 }
1435
1436 if ( blockNo <= 3 ) {
1437 if (!chinese_card){
1438 PrintAndLog("Access Denied");
1439 return 1;
1440 } else {
1441 PrintAndLog("--Special block no: 0x%02x", blockNo);
1442 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1443 UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
1444 memcpy(d.d.asBytes,bldata, 4);
1445 SendCommand(&d);
1446 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1447 uint8_t isOK = resp.arg[0] & 0xff;
1448 PrintAndLog("isOk:%02x", isOK);
1449 } else {
1450 PrintAndLog("Command execute timeout");
1451 return 1;
1452 }
1453 }
1454 } else {
1455 PrintAndLog("--Block no : 0x%02x", blockNo);
1456 PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
1457 UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
1458 memcpy(e.d.asBytes,bldata, 4);
1459 SendCommand(&e);
1460 if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1461 uint8_t isOK = resp.arg[0] & 0xff;
1462 PrintAndLog("isOk : %02x", isOK);
1463 } else {
1464 PrintAndLog("Command execute timeout");
1465 return 1;
1466 }
1467 }
1468 return 0;
1469 }
1470
1471 //
1472 // Mifare Ultralight C - Set password
1473 //
1474 int CmdHF14AMfucSetPwd(const char *Cmd){
1475
1476 uint8_t pwd[16] = {0x00};
1477
1478 char cmdp = param_getchar(Cmd, 0);
1479
1480 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1481 PrintAndLog("Usage: hf mfu setpwd <password (32 hex symbols)>");
1482 PrintAndLog(" [password] - (32 hex symbols)");
1483 PrintAndLog("");
1484 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
1485 PrintAndLog("");
1486 return 0;
1487 }
1488
1489 if (param_gethex(Cmd, 0, pwd, 32)) {
1490 PrintAndLog("Password must include 32 HEX symbols");
1491 return 1;
1492 }
1493
1494 UsbCommand c = {CMD_MIFAREUC_SETPWD};
1495 memcpy( c.d.asBytes, pwd, 16);
1496 SendCommand(&c);
1497
1498 UsbCommand resp;
1499
1500 if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1501 if ( (resp.arg[0] & 0xff) == 1)
1502 PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
1503 else{
1504 PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
1505 return 1;
1506 }
1507 }
1508 else {
1509 PrintAndLog("command execution time out");
1510 return 1;
1511 }
1512
1513 return 0;
1514 }
1515
1516 //
1517 // Magic UL / UL-C tags - Set UID
1518 //
1519 int CmdHF14AMfucSetUid(const char *Cmd){
1520
1521 UsbCommand c;
1522 UsbCommand resp;
1523 uint8_t uid[7] = {0x00};
1524 char cmdp = param_getchar(Cmd, 0);
1525
1526 if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
1527 PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
1528 PrintAndLog(" [uid] - (14 hex symbols)");
1529 PrintAndLog("\nThis only works for Magic Ultralight tags.");
1530 PrintAndLog("");
1531 PrintAndLog("sample: hf mfu setuid 11223344556677");
1532 PrintAndLog("");
1533 return 0;
1534 }
1535
1536 if (param_gethex(Cmd, 0, uid, 14)) {
1537 PrintAndLog("UID must include 14 HEX symbols");
1538 return 1;
1539 }
1540
1541 // read block2.
1542 c.cmd = CMD_MIFAREU_READBL;
1543 c.arg[0] = 2;
1544 SendCommand(&c);
1545 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1546 PrintAndLog("Command execute timeout");
1547 return 2;
1548 }
1549
1550 // save old block2.
1551 uint8_t oldblock2[4] = {0x00};
1552 memcpy(resp.d.asBytes, oldblock2, 4);
1553
1554 // block 0.
1555 c.cmd = CMD_MIFAREU_WRITEBL;
1556 c.arg[0] = 0;
1557 c.d.asBytes[0] = uid[0];
1558 c.d.asBytes[1] = uid[1];
1559 c.d.asBytes[2] = uid[2];
1560 c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
1561 SendCommand(&c);
1562 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1563 PrintAndLog("Command execute timeout");
1564 return 3;
1565 }
1566
1567 // block 1.
1568 c.arg[0] = 1;
1569 c.d.asBytes[0] = uid[3];
1570 c.d.asBytes[1] = uid[4];
1571 c.d.asBytes[2] = uid[5];
1572 c.d.asBytes[3] = uid[6];
1573 SendCommand(&c);
1574 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1575 PrintAndLog("Command execute timeout");
1576 return 4;
1577 }
1578
1579 // block 2.
1580 c.arg[0] = 2;
1581 c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
1582 c.d.asBytes[1] = oldblock2[1];
1583 c.d.asBytes[2] = oldblock2[2];
1584 c.d.asBytes[3] = oldblock2[3];
1585 SendCommand(&c);
1586 if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1587 PrintAndLog("Command execute timeout");
1588 return 5;
1589 }
1590
1591 return 0;
1592 }
1593
1594 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
1595
1596 uint8_t iv[8] = { 0x00 };
1597 uint8_t block = 0x07;
1598
1599 // UL-EV1
1600 //04 57 b6 e2 05 3f 80 UID
1601 //4a f8 4b 19 PWD
1602 uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
1603 uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
1604 uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
1605 uint8_t dkeyA[8] = { 0x00 };
1606 uint8_t dkeyB[8] = { 0x00 };
1607
1608 uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
1609
1610 uint8_t mix[8] = { 0x00 };
1611 uint8_t divkey[8] = { 0x00 };
1612
1613 memcpy(mix, mifarekeyA, 4);
1614
1615 mix[4] = mifarekeyA[4] ^ uid[0];
1616 mix[5] = mifarekeyA[5] ^ uid[1];
1617 mix[6] = block ^ uid[2];
1618 mix[7] = uid[3];
1619
1620 des3_context ctx = { 0x00 };
1621 des3_set2key_enc(&ctx, masterkey);
1622
1623 des3_crypt_cbc(&ctx // des3_context
1624 , DES_ENCRYPT // int mode
1625 , sizeof(mix) // length
1626 , iv // iv[8]
1627 , mix // input
1628 , divkey // output
1629 );
1630
1631 PrintAndLog("3DES version");
1632 PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
1633 PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
1634 PrintAndLog("Sector :\t %0d", block);
1635 PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
1636 PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
1637 PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
1638
1639 PrintAndLog("\n DES version");
1640
1641 for (int i=0; i < sizeof(mifarekeyA); ++i){
1642 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
1643 dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
1644 }
1645
1646 for (int i=0; i < sizeof(mifarekeyB); ++i){
1647 dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
1648 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
1649 }
1650
1651 uint8_t zeros[8] = {0x00};
1652 uint8_t newpwd[8] = {0x00};
1653 uint8_t dmkey[24] = {0x00};
1654 memcpy(dmkey, dkeyA, 8);
1655 memcpy(dmkey+8, dkeyB, 8);
1656 memcpy(dmkey+16, dkeyA, 8);
1657 memset(iv, 0x00, 8);
1658
1659 des3_set3key_enc(&ctx, dmkey);
1660
1661 des3_crypt_cbc(&ctx // des3_context
1662 , DES_ENCRYPT // int mode
1663 , sizeof(newpwd) // length
1664 , iv // iv[8]
1665 , zeros // input
1666 , newpwd // output
1667 );
1668
1669 PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
1670 PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
1671 PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
1672 PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
1673
1674 return 0;
1675 }
1676
1677 // static uint8_t * diversify_key(uint8_t * key){
1678
1679 // for(int i=0; i<16; i++){
1680 // if(i<=6) key[i]^=cuid[i];
1681 // if(i>6) key[i]^=cuid[i%7];
1682 // }
1683 // return key;
1684 // }
1685
1686 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
1687 // for (int i=0; i<len; ++i){
1688
1689 // }
1690 // return;
1691 // }
1692
1693 //------------------------------------
1694 // Menu Stuff
1695 //------------------------------------
1696 static command_t CommandTable[] =
1697 {
1698 {"help", CmdHelp, 1, "This help"},
1699 {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"},
1700 {"info", CmdHF14AMfUInfo, 0, "Tag information"},
1701 {"dump", CmdHF14AMfUDump, 0, "Dump Ultralight / Ultralight-C tag to binary file"},
1702 {"rdbl", CmdHF14AMfURdBl, 0, "Read block - Ultralight"},
1703 {"wrbl", CmdHF14AMfUWrBl, 0, "Write block - Ultralight"},
1704 {"crdbl", CmdHF14AMfUCRdBl, 0, "Read block - Ultralight C"},
1705 {"cwrbl", CmdHF14AMfUCWrBl, 0, "Write block - Ultralight C"},
1706 {"cauth", CmdHF14AMfucAuth, 0, "Authentication - Ultralight C"},
1707 {"setpwd", CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
1708 {"setuid", CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
1709 {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1710 {NULL, NULL, 0, NULL}
1711 };
1712
1713 int CmdHFMFUltra(const char *Cmd){
1714 WaitForResponseTimeout(CMD_ACK,NULL,100);
1715 CmdsParse(CommandTable, Cmd);
1716 return 0;
1717 }
1718
1719 int CmdHelp(const char *Cmd){
1720 CmdsHelp(CommandTable);
1721 return 0;
1722 }
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