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Merge pull request #304 from pwpiwi/fix_nethunter
[proxmark3-svn] / client / cmdhftopaz.c
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05ddb52c 1//-----------------------------------------------------------------------------
2// Copyright (C) 2015 Piwi
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 Topaz (NFC Type 1) commands
9//-----------------------------------------------------------------------------
10
11#include <stdio.h>
12#include <stdlib.h>
13#include <string.h>
14#include <unistd.h>
15#include "cmdmain.h"
16#include "cmdparser.h"
17#include "cmdhftopaz.h"
18#include "cmdhf14a.h"
19#include "ui.h"
48ece4a7 20#include "mifare.h"
21#include "proxmark3.h"
22#include "iso14443crc.h"
23#include "protocols.h"
24
7624e8b2 25#define TOPAZ_STATIC_MEMORY (0x0f * 8) // 15 blocks with 8 Bytes each
6e6f1099 26
7624e8b2 27// a struct to describe a memory area which contains lock bits and the corresponding lockable memory area
6e6f1099 28typedef struct dynamic_lock_area {
29 struct dynamic_lock_area *next;
7624e8b2 30 uint16_t byte_offset; // the address of the lock bits
6e6f1099 31 uint16_t size_in_bits;
7624e8b2 32 uint16_t first_locked_byte; // the address of the lockable area
6e6f1099 33 uint16_t bytes_locked_per_bit;
34} dynamic_lock_area_t;
35
48ece4a7 36
c5847ae8 37static struct {
38 uint8_t HR01[2];
39 uint8_t uid[7];
7624e8b2 40 uint16_t size;
41 uint8_t data_blocks[TOPAZ_STATIC_MEMORY/8][8]; // this memory is always there
42 uint8_t *dynamic_memory; // this memory can be there
43 dynamic_lock_area_t *dynamic_lock_areas; // lock area descriptors
c5847ae8 44} topaz_tag;
48ece4a7 45
de15fc5f 46
48ece4a7 47static void topaz_switch_on_field(void)
48{
49 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_SELECT | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, 0, 0}};
50 SendCommand(&c);
48ece4a7 51}
52
53
54static void topaz_switch_off_field(void)
55{
56 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
57 SendCommand(&c);
48ece4a7 58}
59
60
7624e8b2 61// send a raw topaz command, returns the length of the response (0 in case of error)
de15fc5f 62static int topaz_send_cmd_raw(uint8_t *cmd, uint8_t len, uint8_t *response)
48ece4a7 63{
64 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, len, 0}};
65 memcpy(c.d.asBytes, cmd, len);
66 SendCommand(&c);
67
68 UsbCommand resp;
69 WaitForResponse(CMD_ACK, &resp);
70
de15fc5f 71 if (resp.arg[0] > 0) {
72 memcpy(response, resp.d.asBytes, resp.arg[0]);
73 }
74
75 return resp.arg[0];
48ece4a7 76}
77
78
7624e8b2 79// calculate CRC bytes and send topaz command, returns the length of the response (0 in case of error)
de15fc5f 80static int topaz_send_cmd(uint8_t *cmd, uint8_t len, uint8_t *response)
48ece4a7 81{
82 if (len > 1) {
83 uint8_t first, second;
de15fc5f 84 ComputeCrc14443(CRC_14443_B, cmd, len-2, &first, &second);
85 cmd[len-2] = first;
86 cmd[len-1] = second;
48ece4a7 87 }
88
de15fc5f 89 return topaz_send_cmd_raw(cmd, len, response);
48ece4a7 90}
91
92
7624e8b2 93// select a topaz tag. Send WUPA and RID.
de15fc5f 94static int topaz_select(uint8_t *atqa, uint8_t *rid_response)
48ece4a7 95{
96 // ToDo: implement anticollision
de15fc5f 97
48ece4a7 98 uint8_t wupa_cmd[] = {TOPAZ_WUPA};
de15fc5f 99 uint8_t rid_cmd[] = {TOPAZ_RID, 0, 0, 0, 0, 0, 0, 0, 0};
100
48ece4a7 101 topaz_switch_on_field();
de15fc5f 102
103 if (!topaz_send_cmd(wupa_cmd, sizeof(wupa_cmd), atqa)) {
104 topaz_switch_off_field();
105 return -1; // WUPA failed
106 }
107
108 if (!topaz_send_cmd(rid_cmd, sizeof(rid_cmd), rid_response)) {
109 topaz_switch_off_field();
110 return -2; // RID failed
111 }
112
113 return 0; // OK
114}
115
116
7624e8b2 117// read all of the static memory of a selected Topaz tag.
c5847ae8 118static int topaz_rall(uint8_t *uid, uint8_t *response)
de15fc5f 119{
120 uint8_t rall_cmd[] = {TOPAZ_RALL, 0, 0, 0, 0, 0, 0, 0, 0};
121
122 memcpy(&rall_cmd[3], uid, 4);
c5847ae8 123 if (!topaz_send_cmd(rall_cmd, sizeof(rall_cmd), response)) {
de15fc5f 124 topaz_switch_off_field();
125 return -1; // RALL failed
126 }
127
128 return 0;
48ece4a7 129}
130
05ddb52c 131
7624e8b2 132// read a block (8 Bytes) of a selected Topaz tag.
133static int topaz_read_block(uint8_t *uid, uint8_t blockno, uint8_t *block_data)
134{
135 uint8_t read8_cmd[] = {TOPAZ_READ8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
136 uint8_t read8_response[11];
137
138 read8_cmd[1] = blockno;
139 memcpy(&read8_cmd[10], uid, 4);
140 if (!topaz_send_cmd(read8_cmd, sizeof(read8_cmd), read8_response)) {
141 topaz_switch_off_field();
142 return -1; // READ8 failed
143 }
144
145 memcpy(block_data, &read8_response[1], 8);
146
147 return 0;
148}
149
150
151// read a segment (16 blocks = 128 Bytes) of a selected Topaz tag. Works only for tags with dynamic memory.
152static int topaz_read_segment(uint8_t *uid, uint8_t segno, uint8_t *segment_data)
153{
154 uint8_t rseg_cmd[] = {TOPAZ_RSEG, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
155 uint8_t rseg_response[131];
156
157 rseg_cmd[1] = segno << 4;
158 memcpy(&rseg_cmd[10], uid, 4);
159 if (!topaz_send_cmd(rseg_cmd, sizeof(rseg_cmd), rseg_response)) {
160 topaz_switch_off_field();
161 return -1; // RSEG failed
162 }
163
164 memcpy(segment_data, &rseg_response[1], 128);
165
166 return 0;
167}
168
169
170// search for the lock area descriptor for the lockable area including byteno
6e6f1099 171static dynamic_lock_area_t *get_dynamic_lock_area(uint16_t byteno)
172{
173 dynamic_lock_area_t *lock_area;
174
175 lock_area = topaz_tag.dynamic_lock_areas;
176
177 while (lock_area != NULL) {
178 if (byteno < lock_area->first_locked_byte) {
179 lock_area = lock_area->next;
180 } else {
181 return lock_area;
182 }
183 }
184
185 return NULL;
186}
187
188
7624e8b2 189// check if a memory byte is locked.
6e6f1099 190static bool topaz_byte_is_locked(uint16_t byteno)
de15fc5f 191{
6e6f1099 192 uint8_t *lockbits;
193 uint16_t locked_bytes_per_bit;
194 dynamic_lock_area_t *lock_area;
195
196 if (byteno < TOPAZ_STATIC_MEMORY) {
197 lockbits = &topaz_tag.data_blocks[0x0e][0];
198 locked_bytes_per_bit = 8;
199 } else {
200 lock_area = get_dynamic_lock_area(byteno);
201 if (lock_area == NULL) {
202 return false;
7624e8b2 203 } else {
204 lockbits = &topaz_tag.dynamic_memory[lock_area->byte_offset - TOPAZ_STATIC_MEMORY];
205 locked_bytes_per_bit = lock_area->bytes_locked_per_bit;
206 byteno = byteno - lock_area->first_locked_byte;
6e6f1099 207 }
6e6f1099 208 }
209
210 uint16_t blockno = byteno / locked_bytes_per_bit;
7624e8b2 211 if(lockbits[blockno/8] & (0x01 << (blockno % 8))) {
de15fc5f 212 return true;
213 } else {
214 return false;
215 }
216}
217
218
7624e8b2 219// read and print the Capability Container
de15fc5f 220static int topaz_print_CC(uint8_t *data)
221{
222 if(data[0] != 0xe1) {
7624e8b2 223 topaz_tag.size = TOPAZ_STATIC_MEMORY;
de15fc5f 224 return -1; // no NDEF message
225 }
226
227 PrintAndLog("Capability Container: %02x %02x %02x %02x", data[0], data[1], data[2], data[3]);
228 PrintAndLog(" %02x: NDEF Magic Number", data[0]);
229 PrintAndLog(" %02x: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
6e6f1099 230 uint16_t memsize = (data[2] + 1) * 8;
7624e8b2 231 topaz_tag.size = memsize;
6e6f1099 232 topaz_tag.dynamic_memory = malloc(memsize - TOPAZ_STATIC_MEMORY);
233 PrintAndLog(" %02x: Physical Memory Size of this tag: %d bytes", data[2], memsize);
de15fc5f 234 PrintAndLog(" %02x: %s / %s", data[3],
235 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
236 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
237 return 0;
238}
239
240
7624e8b2 241// return type, length and value of a TLV, starting at memory position *TLV_ptr
242static void get_TLV(uint8_t **TLV_ptr, uint8_t *TLV_type, uint16_t *TLV_length, uint8_t **TLV_value)
de15fc5f 243{
7624e8b2 244 *TLV_length = 0;
245 *TLV_value = NULL;
de15fc5f 246
7624e8b2 247 *TLV_type = **TLV_ptr;
de15fc5f 248 *TLV_ptr += 1;
7624e8b2 249 switch (*TLV_type) {
de15fc5f 250 case 0x00: // NULL TLV.
251 case 0xFE: // Terminator TLV.
252 break;
253 case 0x01: // Lock Control TLV
254 case 0x02: // Reserved Memory TLV
255 case 0x03: // NDEF message TLV
256 case 0xFD: // proprietary TLV
7624e8b2 257 *TLV_length = **TLV_ptr;
de15fc5f 258 *TLV_ptr += 1;
7624e8b2 259 if (*TLV_length == 0xff) {
260 *TLV_length = **TLV_ptr << 8;
de15fc5f 261 *TLV_ptr += 1;
7624e8b2 262 *TLV_length |= **TLV_ptr;
de15fc5f 263 *TLV_ptr += 1;
264 }
7624e8b2 265 *TLV_value = *TLV_ptr;
266 *TLV_ptr += *TLV_length;
de15fc5f 267 break;
268 default: // RFU
269 break;
270 }
271}
272
273
7624e8b2 274// lock area TLVs contain no information on the start of the respective lockable area. Lockable areas
275// do not include the lock bits and reserved memory. We therefore need to adjust the start of the
276// respective lockable areas accordingly
277static void adjust_lock_areas(uint16_t block_start, uint16_t block_size)
278{
279 dynamic_lock_area_t *lock_area = topaz_tag.dynamic_lock_areas;
280 while (lock_area != NULL) {
281 if (lock_area->first_locked_byte <= block_start) {
282 lock_area->first_locked_byte += block_size;
283 }
284 lock_area = lock_area->next;
285 }
286}
287
288
289// read and print the lock area and reserved memory TLVs
290static void topaz_print_control_TLVs(uint8_t *memory)
de15fc5f 291{
292 uint8_t *TLV_ptr = memory;
7624e8b2 293 uint8_t TLV_type = 0;
294 uint16_t TLV_length;
295 uint8_t *TLV_value;
de15fc5f 296 bool lock_TLV_present = false;
7624e8b2 297 bool reserved_memory_control_TLV_present = false;
298 uint16_t next_lockable_byte = 0x0f * 8; // first byte after static memory area
de15fc5f 299
300 while(*TLV_ptr != 0x03 && *TLV_ptr != 0xFD && *TLV_ptr != 0xFE) {
301 // all Lock Control TLVs shall be present before the NDEF message TLV, the proprietary TLV (and the Terminator TLV)
7624e8b2 302 get_TLV(&TLV_ptr, &TLV_type, &TLV_length, &TLV_value);
303 if (TLV_type == 0x01) { // a Lock Control TLV
304 uint8_t pages_addr = TLV_value[0] >> 4;
305 uint8_t byte_offset = TLV_value[0] & 0x0f;
306 uint16_t size_in_bits = TLV_value[1] ? TLV_value[1] : 256;
307 uint16_t size_in_bytes = (size_in_bits + 7)/8;
308 uint16_t bytes_per_page = 1 << (TLV_value[2] & 0x0f);
309 uint16_t bytes_locked_per_bit = 1 << (TLV_value[2] >> 4);
310 uint16_t area_start = pages_addr * bytes_per_page + byte_offset;
6e6f1099 311 PrintAndLog("Lock Area of %d bits at byte offset 0x%04x. Each Lock Bit locks %d bytes.",
de15fc5f 312 size_in_bits,
7624e8b2 313 area_start,
de15fc5f 314 bytes_locked_per_bit);
315 lock_TLV_present = true;
6e6f1099 316 dynamic_lock_area_t *old = topaz_tag.dynamic_lock_areas;
317 dynamic_lock_area_t *new = topaz_tag.dynamic_lock_areas;
318 if (old == NULL) {
319 new = topaz_tag.dynamic_lock_areas = (dynamic_lock_area_t *)malloc(sizeof(dynamic_lock_area_t));
320 } else {
321 while(old->next != NULL) {
322 old = old->next;
323 }
324 new = old->next = (dynamic_lock_area_t *)malloc(sizeof(dynamic_lock_area_t));
325 }
326 new->next = NULL;
7624e8b2 327 if (area_start <= next_lockable_byte) {
328 // lock areas are not lockable
329 next_lockable_byte += size_in_bytes;
330 }
331 new->first_locked_byte = next_lockable_byte;
332 new->byte_offset = area_start;
6e6f1099 333 new->size_in_bits = size_in_bits;
334 new->bytes_locked_per_bit = bytes_locked_per_bit;
7624e8b2 335 next_lockable_byte += size_in_bits * bytes_locked_per_bit;
336 }
337 if (TLV_type == 0x02) { // a Reserved Memory Control TLV
338 uint8_t pages_addr = TLV_value[0] >> 4;
339 uint8_t byte_offset = TLV_value[0] & 0x0f;
31a29271 340 uint16_t size_in_bytes = TLV_value[1] ? TLV_value[1] : 256;
7624e8b2 341 uint8_t bytes_per_page = 1 << (TLV_value[2] & 0x0f);
342 uint16_t area_start = pages_addr * bytes_per_page + byte_offset;
343 PrintAndLog("Reserved Memory of %d bytes at byte offset 0x%02x.",
344 size_in_bytes,
345 area_start);
346 reserved_memory_control_TLV_present = true;
347 adjust_lock_areas(area_start, size_in_bytes); // reserved memory areas are not lockable
348 if (area_start <= next_lockable_byte) {
349 next_lockable_byte += size_in_bytes;
350 }
de15fc5f 351 }
352 }
353
354 if (!lock_TLV_present) {
355 PrintAndLog("(No Lock Control TLV present)");
de15fc5f 356 }
7624e8b2 357
358 if (!reserved_memory_control_TLV_present) {
359 PrintAndLog("(No Reserved Memory Control TLV present)");
360 }
de15fc5f 361}
362
363
7624e8b2 364// read all of the dynamic memory
365static int topaz_read_dynamic_data(void)
de15fc5f 366{
7624e8b2 367 // first read the remaining block of segment 0
368 if(topaz_read_block(topaz_tag.uid, 0x0f, &topaz_tag.dynamic_memory[0]) == -1) {
369 PrintAndLog("Error while reading dynamic memory block %02x. Aborting...", 0x0f);
370 return -1;
371 }
de15fc5f 372
7624e8b2 373 // read the remaining segments
374 uint8_t max_segment = topaz_tag.size / 128 - 1;
375 for(uint8_t segment = 1; segment <= max_segment; segment++) {
376 if(topaz_read_segment(topaz_tag.uid, segment, &topaz_tag.dynamic_memory[(segment-1)*128+8]) == -1) {
377 PrintAndLog("Error while reading dynamic memory block %02x. Aborting...", 0x0f);
378 return -1;
de15fc5f 379 }
380 }
381
7624e8b2 382 return 0;
383}
384
385
386// read and print the dynamic memory
387static void topaz_print_dynamic_data(void)
388{
389 if (topaz_tag.size > TOPAZ_STATIC_MEMORY) {
390 PrintAndLog("Dynamic Data blocks:");
391 if (topaz_read_dynamic_data() == 0) {
392 PrintAndLog("block# | offset | Data | Locked(y/n)");
393 char line[80];
394 for (uint16_t blockno = 0x0f; blockno < topaz_tag.size/8; blockno++) {
395 uint8_t *block_data = &topaz_tag.dynamic_memory[(blockno-0x0f)*8];
396 char lockbits[9];
397 for (uint16_t j = 0; j < 8; j++) {
398 sprintf(&line[3*j], "%02x ", block_data[j]);
399 lockbits[j] = topaz_byte_is_locked(blockno*8+j) ? 'y' : 'n';
400 }
401 lockbits[8] = '\0';
402 PrintAndLog(" 0x%02x | 0x%04x | %s| %-3s", blockno, blockno*8, line, lockbits);
403 }
404 }
de15fc5f 405 }
406}
407
408
409static void topaz_print_lifecycle_state(uint8_t *data)
410{
7624e8b2 411 // to be done
de15fc5f 412}
413
414
415static void topaz_print_NDEF(uint8_t *data)
416{
7624e8b2 417 // to be done.
de15fc5f 418}
419
7624e8b2 420
421// read a Topaz tag and print some usefull information
05ddb52c 422int CmdHFTopazReader(const char *Cmd)
423{
de15fc5f 424 int status;
425 uint8_t atqa[2];
426 uint8_t rid_response[8];
427 uint8_t *uid_echo = &rid_response[2];
c5847ae8 428 uint8_t rall_response[124];
de15fc5f 429
430 status = topaz_select(atqa, rid_response);
431
432 if (status == -1) {
433 PrintAndLog("Error: couldn't receive ATQA");
434 return -1;
435 }
436
437 PrintAndLog("ATQA : %02x %02x", atqa[1], atqa[0]);
438 if (atqa[1] != 0x0c && atqa[0] != 0x00) {
439 PrintAndLog("Tag doesn't support the Topaz protocol.");
440 topaz_switch_off_field();
441 return -1;
442 }
443
444 if (status == -2) {
445 PrintAndLog("Error: tag didn't answer to RID");
446 topaz_switch_off_field();
447 return -1;
448 }
449
c5847ae8 450 topaz_tag.HR01[0] = rid_response[0];
451 topaz_tag.HR01[1] = rid_response[1];
452
de15fc5f 453 // ToDo: CRC check
454 PrintAndLog("HR0 : %02x (%sa Topaz tag (%scapable of carrying a NDEF message), %s memory map)", rid_response[0],
455 (rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
456 (rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
457 (rid_response[0] & 0x0F) == 0x10 ? "static" : "dynamic");
458 PrintAndLog("HR1 : %02x", rid_response[1]);
459
c5847ae8 460 status = topaz_rall(uid_echo, rall_response);
de15fc5f 461
462 if(status == -1) {
463 PrintAndLog("Error: tag didn't answer to RALL");
464 topaz_switch_off_field();
465 return -1;
466 }
467
c5847ae8 468 memcpy(topaz_tag.uid, rall_response+2, 7);
de15fc5f 469 PrintAndLog("UID : %02x %02x %02x %02x %02x %02x %02x",
c5847ae8 470 topaz_tag.uid[6],
471 topaz_tag.uid[5],
472 topaz_tag.uid[4],
473 topaz_tag.uid[3],
474 topaz_tag.uid[2],
475 topaz_tag.uid[1],
476 topaz_tag.uid[0]);
de15fc5f 477 PrintAndLog(" UID[6] (Manufacturer Byte) = %02x, Manufacturer: %s",
c5847ae8 478 topaz_tag.uid[6],
479 getTagInfo(topaz_tag.uid[6]));
480
7624e8b2 481 memcpy(topaz_tag.data_blocks, rall_response+2, 0x0f*8);
de15fc5f 482 PrintAndLog("");
483 PrintAndLog("Static Data blocks 00 to 0c:");
6e6f1099 484 PrintAndLog("block# | offset | Data | Locked(y/n)");
de15fc5f 485 char line[80];
486 for (uint16_t i = 0; i <= 0x0c; i++) {
7624e8b2 487 char lockbits[9];
de15fc5f 488 for (uint16_t j = 0; j < 8; j++) {
c5847ae8 489 sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[i][j] /*rall_response[2 + 8*i + j]*/);
7624e8b2 490 lockbits[j] = topaz_byte_is_locked(i*8+j) ? 'y' : 'n';
de15fc5f 491 }
7624e8b2 492 lockbits[8] = '\0';
493 PrintAndLog(" 0x%02x | 0x%04x | %s| %-3s", i, i*8, line, lockbits);
de15fc5f 494 }
495
496 PrintAndLog("");
497 PrintAndLog("Static Reserved block 0d:");
498 for (uint16_t j = 0; j < 8; j++) {
c5847ae8 499 sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[0x0d][j]);
de15fc5f 500 }
6e6f1099 501 PrintAndLog(" 0x%02x | 0x%04x | %s| %-3s", 0x0d, 0x0d*8, line, "n/a");
de15fc5f 502
503 PrintAndLog("");
c5847ae8 504 PrintAndLog("Static Lockbits and OTP Bytes:");
de15fc5f 505 for (uint16_t j = 0; j < 8; j++) {
c5847ae8 506 sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[0x0e][j]);
de15fc5f 507 }
6e6f1099 508 PrintAndLog(" 0x%02x | 0x%04x | %s| %-3s", 0x0e, 0x0e*8, line, "n/a");
de15fc5f 509
510 PrintAndLog("");
511
c5847ae8 512 status = topaz_print_CC(&topaz_tag.data_blocks[1][0]);
de15fc5f 513
514 if (status == -1) {
7624e8b2 515 PrintAndLog("No NDEF message data present");
de15fc5f 516 topaz_switch_off_field();
517 return 0;
518 }
519
520 PrintAndLog("");
7624e8b2 521 topaz_print_control_TLVs(&topaz_tag.data_blocks[1][4]);
de15fc5f 522
523 PrintAndLog("");
7624e8b2 524 topaz_print_dynamic_data();
525
c5847ae8 526 topaz_print_lifecycle_state(&topaz_tag.data_blocks[1][0]);
de15fc5f 527
c5847ae8 528 topaz_print_NDEF(&topaz_tag.data_blocks[1][0]);
de15fc5f 529
530 topaz_switch_off_field();
05ddb52c 531 return 0;
532}
533
534
05ddb52c 535int CmdHFTopazCmdRaw(const char *Cmd)
536{
7624e8b2 537 PrintAndLog("not yet implemented. Use hf 14 raw with option -T.");
05ddb52c 538 return 0;
539}
540
541
542static int CmdHelp(const char *Cmd);
543
544
545static command_t CommandTable[] =
546{
547 {"help", CmdHelp, 1, "This help"},
548 {"reader", CmdHFTopazReader, 0, "Act like a Topaz reader"},
05ddb52c 549 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop a Topaz reader-tag communication"},
550 {"raw", CmdHFTopazCmdRaw, 0, "Send raw hex data to tag"},
551 {NULL, NULL, 0, NULL}
552};
553
554
555int CmdHFTopaz(const char *Cmd) {
556 // flush
557 WaitForResponseTimeout(CMD_ACK,NULL,100);
558
559 // parse
560 CmdsParse(CommandTable, Cmd);
561 return 0;
562}
563
7624e8b2 564
05ddb52c 565static int CmdHelp(const char *Cmd)
566{
567 CmdsHelp(CommandTable);
568 return 0;
569}
570
571
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