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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
ad939de5 11#include "cmdhftopaz.h"
12
05ddb52c 13#include <stdio.h>
14#include <stdlib.h>
15#include <string.h>
16#include <unistd.h>
17#include "cmdmain.h"
18#include "cmdparser.h"
05ddb52c 19#include "cmdhf14a.h"
20#include "ui.h"
48ece4a7 21#include "mifare.h"
ad939de5 22#include "comms.h"
48ece4a7 23#include "iso14443crc.h"
24#include "protocols.h"
1338d245 25#include "taginfo.h"
48ece4a7 26
7624e8b2 27#define TOPAZ_STATIC_MEMORY (0x0f * 8) // 15 blocks with 8 Bytes each
6e6f1099 28
7624e8b2 29// a struct to describe a memory area which contains lock bits and the corresponding lockable memory area
6e6f1099 30typedef struct dynamic_lock_area {
31 struct dynamic_lock_area *next;
7624e8b2 32 uint16_t byte_offset; // the address of the lock bits
6e6f1099 33 uint16_t size_in_bits;
7624e8b2 34 uint16_t first_locked_byte; // the address of the lockable area
6e6f1099 35 uint16_t bytes_locked_per_bit;
36} dynamic_lock_area_t;
37
48ece4a7 38
c5847ae8 39static struct {
40 uint8_t HR01[2];
41 uint8_t uid[7];
7624e8b2 42 uint16_t size;
43 uint8_t data_blocks[TOPAZ_STATIC_MEMORY/8][8]; // this memory is always there
44 uint8_t *dynamic_memory; // this memory can be there
45 dynamic_lock_area_t *dynamic_lock_areas; // lock area descriptors
c5847ae8 46} topaz_tag;
48ece4a7 47
de15fc5f 48
48ece4a7 49static void topaz_switch_on_field(void)
50{
51 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_SELECT | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, 0, 0}};
52 SendCommand(&c);
48ece4a7 53}
54
55
56static void topaz_switch_off_field(void)
57{
58 UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
59 SendCommand(&c);
48ece4a7 60}
61
62
7624e8b2 63// send a raw topaz command, returns the length of the response (0 in case of error)
de15fc5f 64static int topaz_send_cmd_raw(uint8_t *cmd, uint8_t len, uint8_t *response)
48ece4a7 65{
66 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, len, 0}};
67 memcpy(c.d.asBytes, cmd, len);
68 SendCommand(&c);
69
70 UsbCommand resp;
71 WaitForResponse(CMD_ACK, &resp);
72
de15fc5f 73 if (resp.arg[0] > 0) {
74 memcpy(response, resp.d.asBytes, resp.arg[0]);
75 }
76
77 return resp.arg[0];
48ece4a7 78}
79
80
7624e8b2 81// calculate CRC bytes and send topaz command, returns the length of the response (0 in case of error)
de15fc5f 82static int topaz_send_cmd(uint8_t *cmd, uint8_t len, uint8_t *response)
48ece4a7 83{
84 if (len > 1) {
85 uint8_t first, second;
de15fc5f 86 ComputeCrc14443(CRC_14443_B, cmd, len-2, &first, &second);
87 cmd[len-2] = first;
88 cmd[len-1] = second;
48ece4a7 89 }
90
de15fc5f 91 return topaz_send_cmd_raw(cmd, len, response);
48ece4a7 92}
93
94
7624e8b2 95// select a topaz tag. Send WUPA and RID.
de15fc5f 96static int topaz_select(uint8_t *atqa, uint8_t *rid_response)
48ece4a7 97{
98 // ToDo: implement anticollision
de15fc5f 99
48ece4a7 100 uint8_t wupa_cmd[] = {TOPAZ_WUPA};
de15fc5f 101 uint8_t rid_cmd[] = {TOPAZ_RID, 0, 0, 0, 0, 0, 0, 0, 0};
102
48ece4a7 103 topaz_switch_on_field();
de15fc5f 104
105 if (!topaz_send_cmd(wupa_cmd, sizeof(wupa_cmd), atqa)) {
106 topaz_switch_off_field();
107 return -1; // WUPA failed
108 }
109
110 if (!topaz_send_cmd(rid_cmd, sizeof(rid_cmd), rid_response)) {
111 topaz_switch_off_field();
112 return -2; // RID failed
113 }
114
115 return 0; // OK
116}
117
118
7624e8b2 119// read all of the static memory of a selected Topaz tag.
c5847ae8 120static int topaz_rall(uint8_t *uid, uint8_t *response)
de15fc5f 121{
122 uint8_t rall_cmd[] = {TOPAZ_RALL, 0, 0, 0, 0, 0, 0, 0, 0};
123
124 memcpy(&rall_cmd[3], uid, 4);
c5847ae8 125 if (!topaz_send_cmd(rall_cmd, sizeof(rall_cmd), response)) {
de15fc5f 126 topaz_switch_off_field();
127 return -1; // RALL failed
128 }
129
130 return 0;
48ece4a7 131}
132
05ddb52c 133
7624e8b2 134// read a block (8 Bytes) of a selected Topaz tag.
135static int topaz_read_block(uint8_t *uid, uint8_t blockno, uint8_t *block_data)
136{
137 uint8_t read8_cmd[] = {TOPAZ_READ8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
138 uint8_t read8_response[11];
139
140 read8_cmd[1] = blockno;
141 memcpy(&read8_cmd[10], uid, 4);
142 if (!topaz_send_cmd(read8_cmd, sizeof(read8_cmd), read8_response)) {
143 topaz_switch_off_field();
144 return -1; // READ8 failed
145 }
146
147 memcpy(block_data, &read8_response[1], 8);
148
149 return 0;
150}
151
152
153// read a segment (16 blocks = 128 Bytes) of a selected Topaz tag. Works only for tags with dynamic memory.
154static int topaz_read_segment(uint8_t *uid, uint8_t segno, uint8_t *segment_data)
155{
156 uint8_t rseg_cmd[] = {TOPAZ_RSEG, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
157 uint8_t rseg_response[131];
158
159 rseg_cmd[1] = segno << 4;
160 memcpy(&rseg_cmd[10], uid, 4);
161 if (!topaz_send_cmd(rseg_cmd, sizeof(rseg_cmd), rseg_response)) {
162 topaz_switch_off_field();
163 return -1; // RSEG failed
164 }
165
166 memcpy(segment_data, &rseg_response[1], 128);
167
168 return 0;
169}
170
171
172// search for the lock area descriptor for the lockable area including byteno
6e6f1099 173static dynamic_lock_area_t *get_dynamic_lock_area(uint16_t byteno)
174{
175 dynamic_lock_area_t *lock_area;
176
177 lock_area = topaz_tag.dynamic_lock_areas;
178
179 while (lock_area != NULL) {
180 if (byteno < lock_area->first_locked_byte) {
181 lock_area = lock_area->next;
182 } else {
183 return lock_area;
184 }
185 }
186
187 return NULL;
188}
189
190
7624e8b2 191// check if a memory byte is locked.
6e6f1099 192static bool topaz_byte_is_locked(uint16_t byteno)
de15fc5f 193{
6e6f1099 194 uint8_t *lockbits;
195 uint16_t locked_bytes_per_bit;
196 dynamic_lock_area_t *lock_area;
197
198 if (byteno < TOPAZ_STATIC_MEMORY) {
199 lockbits = &topaz_tag.data_blocks[0x0e][0];
200 locked_bytes_per_bit = 8;
201 } else {
202 lock_area = get_dynamic_lock_area(byteno);
203 if (lock_area == NULL) {
204 return false;
7624e8b2 205 } else {
206 lockbits = &topaz_tag.dynamic_memory[lock_area->byte_offset - TOPAZ_STATIC_MEMORY];
207 locked_bytes_per_bit = lock_area->bytes_locked_per_bit;
208 byteno = byteno - lock_area->first_locked_byte;
6e6f1099 209 }
6e6f1099 210 }
211
212 uint16_t blockno = byteno / locked_bytes_per_bit;
7624e8b2 213 if(lockbits[blockno/8] & (0x01 << (blockno % 8))) {
de15fc5f 214 return true;
215 } else {
216 return false;
217 }
218}
219
220
7624e8b2 221// read and print the Capability Container
de15fc5f 222static int topaz_print_CC(uint8_t *data)
223{
224 if(data[0] != 0xe1) {
7624e8b2 225 topaz_tag.size = TOPAZ_STATIC_MEMORY;
de15fc5f 226 return -1; // no NDEF message
227 }
228
229 PrintAndLog("Capability Container: %02x %02x %02x %02x", data[0], data[1], data[2], data[3]);
230 PrintAndLog(" %02x: NDEF Magic Number", data[0]);
231 PrintAndLog(" %02x: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
6e6f1099 232 uint16_t memsize = (data[2] + 1) * 8;
7624e8b2 233 topaz_tag.size = memsize;
6e6f1099 234 topaz_tag.dynamic_memory = malloc(memsize - TOPAZ_STATIC_MEMORY);
235 PrintAndLog(" %02x: Physical Memory Size of this tag: %d bytes", data[2], memsize);
de15fc5f 236 PrintAndLog(" %02x: %s / %s", data[3],
237 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
238 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
239 return 0;
240}
241
242
7624e8b2 243// return type, length and value of a TLV, starting at memory position *TLV_ptr
244static void get_TLV(uint8_t **TLV_ptr, uint8_t *TLV_type, uint16_t *TLV_length, uint8_t **TLV_value)
de15fc5f 245{
7624e8b2 246 *TLV_length = 0;
247 *TLV_value = NULL;
de15fc5f 248
7624e8b2 249 *TLV_type = **TLV_ptr;
de15fc5f 250 *TLV_ptr += 1;
7624e8b2 251 switch (*TLV_type) {
de15fc5f 252 case 0x00: // NULL TLV.
253 case 0xFE: // Terminator TLV.
254 break;
255 case 0x01: // Lock Control TLV
256 case 0x02: // Reserved Memory TLV
257 case 0x03: // NDEF message TLV
258 case 0xFD: // proprietary TLV
7624e8b2 259 *TLV_length = **TLV_ptr;
de15fc5f 260 *TLV_ptr += 1;
7624e8b2 261 if (*TLV_length == 0xff) {
262 *TLV_length = **TLV_ptr << 8;
de15fc5f 263 *TLV_ptr += 1;
7624e8b2 264 *TLV_length |= **TLV_ptr;
de15fc5f 265 *TLV_ptr += 1;
266 }
7624e8b2 267 *TLV_value = *TLV_ptr;
268 *TLV_ptr += *TLV_length;
de15fc5f 269 break;
270 default: // RFU
271 break;
272 }
273}
274
275
7624e8b2 276// lock area TLVs contain no information on the start of the respective lockable area. Lockable areas
277// do not include the lock bits and reserved memory. We therefore need to adjust the start of the
278// respective lockable areas accordingly
279static void adjust_lock_areas(uint16_t block_start, uint16_t block_size)
280{
281 dynamic_lock_area_t *lock_area = topaz_tag.dynamic_lock_areas;
282 while (lock_area != NULL) {
283 if (lock_area->first_locked_byte <= block_start) {
284 lock_area->first_locked_byte += block_size;
285 }
286 lock_area = lock_area->next;
287 }
288}
289
290
291// read and print the lock area and reserved memory TLVs
292static void topaz_print_control_TLVs(uint8_t *memory)
de15fc5f 293{
294 uint8_t *TLV_ptr = memory;
7624e8b2 295 uint8_t TLV_type = 0;
296 uint16_t TLV_length;
297 uint8_t *TLV_value;
de15fc5f 298 bool lock_TLV_present = false;
7624e8b2 299 bool reserved_memory_control_TLV_present = false;
300 uint16_t next_lockable_byte = 0x0f * 8; // first byte after static memory area
de15fc5f 301
302 while(*TLV_ptr != 0x03 && *TLV_ptr != 0xFD && *TLV_ptr != 0xFE) {
303 // all Lock Control TLVs shall be present before the NDEF message TLV, the proprietary TLV (and the Terminator TLV)
7624e8b2 304 get_TLV(&TLV_ptr, &TLV_type, &TLV_length, &TLV_value);
305 if (TLV_type == 0x01) { // a Lock Control TLV
306 uint8_t pages_addr = TLV_value[0] >> 4;
307 uint8_t byte_offset = TLV_value[0] & 0x0f;
308 uint16_t size_in_bits = TLV_value[1] ? TLV_value[1] : 256;
309 uint16_t size_in_bytes = (size_in_bits + 7)/8;
310 uint16_t bytes_per_page = 1 << (TLV_value[2] & 0x0f);
311 uint16_t bytes_locked_per_bit = 1 << (TLV_value[2] >> 4);
312 uint16_t area_start = pages_addr * bytes_per_page + byte_offset;
6e6f1099 313 PrintAndLog("Lock Area of %d bits at byte offset 0x%04x. Each Lock Bit locks %d bytes.",
de15fc5f 314 size_in_bits,
7624e8b2 315 area_start,
de15fc5f 316 bytes_locked_per_bit);
317 lock_TLV_present = true;
6e6f1099 318 dynamic_lock_area_t *old = topaz_tag.dynamic_lock_areas;
319 dynamic_lock_area_t *new = topaz_tag.dynamic_lock_areas;
320 if (old == NULL) {
321 new = topaz_tag.dynamic_lock_areas = (dynamic_lock_area_t *)malloc(sizeof(dynamic_lock_area_t));
322 } else {
323 while(old->next != NULL) {
324 old = old->next;
325 }
326 new = old->next = (dynamic_lock_area_t *)malloc(sizeof(dynamic_lock_area_t));
327 }
328 new->next = NULL;
7624e8b2 329 if (area_start <= next_lockable_byte) {
330 // lock areas are not lockable
331 next_lockable_byte += size_in_bytes;
332 }
333 new->first_locked_byte = next_lockable_byte;
334 new->byte_offset = area_start;
6e6f1099 335 new->size_in_bits = size_in_bits;
336 new->bytes_locked_per_bit = bytes_locked_per_bit;
7624e8b2 337 next_lockable_byte += size_in_bits * bytes_locked_per_bit;
338 }
339 if (TLV_type == 0x02) { // a Reserved Memory Control TLV
340 uint8_t pages_addr = TLV_value[0] >> 4;
341 uint8_t byte_offset = TLV_value[0] & 0x0f;
31a29271 342 uint16_t size_in_bytes = TLV_value[1] ? TLV_value[1] : 256;
7624e8b2 343 uint8_t bytes_per_page = 1 << (TLV_value[2] & 0x0f);
344 uint16_t area_start = pages_addr * bytes_per_page + byte_offset;
345 PrintAndLog("Reserved Memory of %d bytes at byte offset 0x%02x.",
346 size_in_bytes,
347 area_start);
348 reserved_memory_control_TLV_present = true;
349 adjust_lock_areas(area_start, size_in_bytes); // reserved memory areas are not lockable
350 if (area_start <= next_lockable_byte) {
351 next_lockable_byte += size_in_bytes;
352 }
de15fc5f 353 }
354 }
355
356 if (!lock_TLV_present) {
357 PrintAndLog("(No Lock Control TLV present)");
de15fc5f 358 }
7624e8b2 359
360 if (!reserved_memory_control_TLV_present) {
361 PrintAndLog("(No Reserved Memory Control TLV present)");
362 }
de15fc5f 363}
364
365
7624e8b2 366// read all of the dynamic memory
367static int topaz_read_dynamic_data(void)
de15fc5f 368{
7624e8b2 369 // first read the remaining block of segment 0
370 if(topaz_read_block(topaz_tag.uid, 0x0f, &topaz_tag.dynamic_memory[0]) == -1) {
371 PrintAndLog("Error while reading dynamic memory block %02x. Aborting...", 0x0f);
372 return -1;
373 }
de15fc5f 374
7624e8b2 375 // read the remaining segments
376 uint8_t max_segment = topaz_tag.size / 128 - 1;
377 for(uint8_t segment = 1; segment <= max_segment; segment++) {
378 if(topaz_read_segment(topaz_tag.uid, segment, &topaz_tag.dynamic_memory[(segment-1)*128+8]) == -1) {
379 PrintAndLog("Error while reading dynamic memory block %02x. Aborting...", 0x0f);
380 return -1;
de15fc5f 381 }
382 }
383
7624e8b2 384 return 0;
385}
386
387
388// read and print the dynamic memory
389static void topaz_print_dynamic_data(void)
390{
391 if (topaz_tag.size > TOPAZ_STATIC_MEMORY) {
392 PrintAndLog("Dynamic Data blocks:");
393 if (topaz_read_dynamic_data() == 0) {
394 PrintAndLog("block# | offset | Data | Locked(y/n)");
395 char line[80];
396 for (uint16_t blockno = 0x0f; blockno < topaz_tag.size/8; blockno++) {
397 uint8_t *block_data = &topaz_tag.dynamic_memory[(blockno-0x0f)*8];
398 char lockbits[9];
399 for (uint16_t j = 0; j < 8; j++) {
400 sprintf(&line[3*j], "%02x ", block_data[j]);
401 lockbits[j] = topaz_byte_is_locked(blockno*8+j) ? 'y' : 'n';
402 }
403 lockbits[8] = '\0';
404 PrintAndLog(" 0x%02x | 0x%04x | %s| %-3s", blockno, blockno*8, line, lockbits);
405 }
406 }
de15fc5f 407 }
408}
409
410
411static void topaz_print_lifecycle_state(uint8_t *data)
412{
7624e8b2 413 // to be done
de15fc5f 414}
415
416
417static void topaz_print_NDEF(uint8_t *data)
418{
7624e8b2 419 // to be done.
de15fc5f 420}
421
7624e8b2 422
423// read a Topaz tag and print some usefull information
05ddb52c 424int CmdHFTopazReader(const char *Cmd)
425{
de15fc5f 426 int status;
427 uint8_t atqa[2];
428 uint8_t rid_response[8];
429 uint8_t *uid_echo = &rid_response[2];
c5847ae8 430 uint8_t rall_response[124];
de15fc5f 431
432 status = topaz_select(atqa, rid_response);
433
434 if (status == -1) {
435 PrintAndLog("Error: couldn't receive ATQA");
436 return -1;
437 }
438
439 PrintAndLog("ATQA : %02x %02x", atqa[1], atqa[0]);
440 if (atqa[1] != 0x0c && atqa[0] != 0x00) {
441 PrintAndLog("Tag doesn't support the Topaz protocol.");
442 topaz_switch_off_field();
443 return -1;
444 }
445
446 if (status == -2) {
447 PrintAndLog("Error: tag didn't answer to RID");
448 topaz_switch_off_field();
449 return -1;
450 }
451
c5847ae8 452 topaz_tag.HR01[0] = rid_response[0];
453 topaz_tag.HR01[1] = rid_response[1];
454
de15fc5f 455 // ToDo: CRC check
456 PrintAndLog("HR0 : %02x (%sa Topaz tag (%scapable of carrying a NDEF message), %s memory map)", rid_response[0],
457 (rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
458 (rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
44964fd1 459 (rid_response[0] & 0x0F) == 0x01 ? "static" : "dynamic");
de15fc5f 460 PrintAndLog("HR1 : %02x", rid_response[1]);
461
c5847ae8 462 status = topaz_rall(uid_echo, rall_response);
de15fc5f 463
464 if(status == -1) {
465 PrintAndLog("Error: tag didn't answer to RALL");
466 topaz_switch_off_field();
467 return -1;
468 }
469
c5847ae8 470 memcpy(topaz_tag.uid, rall_response+2, 7);
de15fc5f 471 PrintAndLog("UID : %02x %02x %02x %02x %02x %02x %02x",
c5847ae8 472 topaz_tag.uid[6],
473 topaz_tag.uid[5],
474 topaz_tag.uid[4],
475 topaz_tag.uid[3],
476 topaz_tag.uid[2],
477 topaz_tag.uid[1],
478 topaz_tag.uid[0]);
de15fc5f 479 PrintAndLog(" UID[6] (Manufacturer Byte) = %02x, Manufacturer: %s",
c5847ae8 480 topaz_tag.uid[6],
1338d245 481 getManufacturerName(topaz_tag.uid[6]));
c5847ae8 482
7624e8b2 483 memcpy(topaz_tag.data_blocks, rall_response+2, 0x0f*8);
de15fc5f 484 PrintAndLog("");
485 PrintAndLog("Static Data blocks 00 to 0c:");
6e6f1099 486 PrintAndLog("block# | offset | Data | Locked(y/n)");
de15fc5f 487 char line[80];
488 for (uint16_t i = 0; i <= 0x0c; i++) {
7624e8b2 489 char lockbits[9];
de15fc5f 490 for (uint16_t j = 0; j < 8; j++) {
c5847ae8 491 sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[i][j] /*rall_response[2 + 8*i + j]*/);
7624e8b2 492 lockbits[j] = topaz_byte_is_locked(i*8+j) ? 'y' : 'n';
de15fc5f 493 }
7624e8b2 494 lockbits[8] = '\0';
495 PrintAndLog(" 0x%02x | 0x%04x | %s| %-3s", i, i*8, line, lockbits);
de15fc5f 496 }
497
498 PrintAndLog("");
499 PrintAndLog("Static Reserved block 0d:");
500 for (uint16_t j = 0; j < 8; j++) {
c5847ae8 501 sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[0x0d][j]);
de15fc5f 502 }
6e6f1099 503 PrintAndLog(" 0x%02x | 0x%04x | %s| %-3s", 0x0d, 0x0d*8, line, "n/a");
de15fc5f 504
505 PrintAndLog("");
c5847ae8 506 PrintAndLog("Static Lockbits and OTP Bytes:");
de15fc5f 507 for (uint16_t j = 0; j < 8; j++) {
c5847ae8 508 sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[0x0e][j]);
de15fc5f 509 }
6e6f1099 510 PrintAndLog(" 0x%02x | 0x%04x | %s| %-3s", 0x0e, 0x0e*8, line, "n/a");
de15fc5f 511
512 PrintAndLog("");
513
c5847ae8 514 status = topaz_print_CC(&topaz_tag.data_blocks[1][0]);
de15fc5f 515
516 if (status == -1) {
7624e8b2 517 PrintAndLog("No NDEF message data present");
de15fc5f 518 topaz_switch_off_field();
519 return 0;
520 }
521
522 PrintAndLog("");
7624e8b2 523 topaz_print_control_TLVs(&topaz_tag.data_blocks[1][4]);
de15fc5f 524
525 PrintAndLog("");
7624e8b2 526 topaz_print_dynamic_data();
527
c5847ae8 528 topaz_print_lifecycle_state(&topaz_tag.data_blocks[1][0]);
de15fc5f 529
c5847ae8 530 topaz_print_NDEF(&topaz_tag.data_blocks[1][0]);
de15fc5f 531
532 topaz_switch_off_field();
05ddb52c 533 return 0;
534}
535
536
05ddb52c 537int CmdHFTopazCmdRaw(const char *Cmd)
538{
7624e8b2 539 PrintAndLog("not yet implemented. Use hf 14 raw with option -T.");
05ddb52c 540 return 0;
541}
542
543
544static int CmdHelp(const char *Cmd);
545
546
547static command_t CommandTable[] =
548{
549 {"help", CmdHelp, 1, "This help"},
550 {"reader", CmdHFTopazReader, 0, "Act like a Topaz reader"},
05ddb52c 551 {"snoop", CmdHF14ASnoop, 0, "Eavesdrop a Topaz reader-tag communication"},
552 {"raw", CmdHFTopazCmdRaw, 0, "Send raw hex data to tag"},
553 {NULL, NULL, 0, NULL}
554};
555
556
557int CmdHFTopaz(const char *Cmd) {
44964fd1 558 (void)WaitForResponseTimeout(CMD_ACK,NULL,100);
05ddb52c 559 CmdsParse(CommandTable, Cmd);
560 return 0;
561}
562
7624e8b2 563
05ddb52c 564static int CmdHelp(const char *Cmd)
565{
566 CmdsHelp(CommandTable);
567 return 0;
568}
569
570
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