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https://github.com/RfidResearchGroup/proxmark3.git
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lf destron - now uses more cliparser, supports continuous mode, EM (untested)
This commit is contained in:
iceman1001
parent
b9e86572da
commit
e3e4507d71
2 changed files with 123 additions and 40 deletions
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@ -7,22 +7,22 @@
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// Low frequency FDX-A FECAVA Destron tag commands
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//-----------------------------------------------------------------------------
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#include "cmdlfdestron.h"
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#include <ctype.h> //tolower
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#include <string.h> // memcpy
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#include "commonutil.h" // ARRAYLEN
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#include <ctype.h> // tolower
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#include <string.h> // memcpy
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#include "commonutil.h" // ARRAYLEN
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#include "common.h"
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#include "cmdparser.h" // command_t
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#include "comms.h"
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#include "ui.h"
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#include "cmddata.h"
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#include "cmdlf.h"
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#include "lfdemod.h" // preamble test
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#include "protocols.h" // t55xx defines
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#include "cmdlft55xx.h" // clone..
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#include "cmdlf.h" // cmdlfconfig
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#include "cliparser.h" // cli parse input
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#include "lfdemod.h" // preamble test
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#include "protocols.h" // t55xx defines
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#include "cmdlft55xx.h" // clone..
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#include "cmdlf.h" // cmdlfconfig
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#include "parity.h"
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#include "cliparser.h" // cli parse input
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#include "cmdlfem4x05.h" // EM defines
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#define DESTRON_FRAME_SIZE 96
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#define DESTRON_PREAMBLE_SIZE 16
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@ -36,6 +36,7 @@ int demodDestron(bool verbose) {
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PrintAndLogEx(DEBUG, "DEBUG: Error - Destron: FSK Demod failed");
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return PM3_ESOFT;
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}
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size_t size = DemodBufferLen;
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int ans = detectDestron(DemodBuffer, &size);
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if (ans < 0) {
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@ -50,12 +51,13 @@ int demodDestron(bool verbose) {
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return PM3_ESOFT;
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}
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setDemodBuff(DemodBuffer, DESTRON_FRAME_SIZE, ans);
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setClockGrid(g_DemodClock, g_DemodStartIdx + (ans * g_DemodClock));
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uint8_t bits[DESTRON_FRAME_SIZE - DESTRON_PREAMBLE_SIZE] = {0};
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size_t bitlen = DESTRON_FRAME_SIZE - DESTRON_PREAMBLE_SIZE;
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memcpy(bits, DemodBuffer + 16, DESTRON_FRAME_SIZE - DESTRON_PREAMBLE_SIZE);
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memcpy(bits, DemodBuffer + DESTRON_PREAMBLE_SIZE, DESTRON_FRAME_SIZE - DESTRON_PREAMBLE_SIZE);
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uint8_t alignPos = 0;
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uint16_t errCnt = manrawdecode(bits, &bitlen, 0, &alignPos);
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@ -75,75 +77,155 @@ int demodDestron(bool verbose) {
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PrintAndLogEx(DEBUG, "DEBUG: Error - Destron: parity errors: %d", parity_err);
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return PM3_ESOFT;
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}
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PrintAndLogEx(SUCCESS, "FDX-A FECAVA Destron: " _GREEN_("%02X%02X%02X%02X%02X"), data[0], data[1], data[2], data[3], data[4]);
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PrintAndLogEx(SUCCESS, "FDX-A FECAVA Destron: " _GREEN_("%s"), sprint_hex_inrow(data, 5));
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return PM3_SUCCESS;
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}
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static int CmdDestronDemod(const char *Cmd) {
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(void)Cmd;
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return demodDestron(true);
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}
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static int CmdDestronRead(const char *Cmd) {
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lf_read(false, 16000);
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return demodDestron(true);
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}
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static int CmdDestronClone(const char *Cmd) {
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uint32_t blocks[4] = {0};
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uint8_t data[8];
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int datalen = 0;
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "lf destron clone",
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"Enables cloning of Destron card with specified uid onto T55x7",
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"lf destron clone 1A2B3C4D5E"
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CLIParserInit(&ctx, "lf destron demod",
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"Try to find Destron preamble, if found decode / descramble data",
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"lf destron demod"
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);
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void *argtable[] = {
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arg_param_begin,
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arg_strx1(NULL, NULL, "<uid (hex)>", NULL),
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arg_param_end
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};
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CLIExecWithReturn(ctx, Cmd, argtable, true);
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CLIParserFree(ctx);
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return demodDestron(true);
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}
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static int CmdDestronReader(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "lf destron reader",
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"read a Destron tag",
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"lf destron reader -@ -> continuous reader mode"
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);
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void *argtable[] = {
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arg_param_begin,
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arg_lit0("@", NULL, "optional - continuous reader mode"),
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arg_param_end
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};
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CLIExecWithReturn(ctx, Cmd, argtable, true);
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bool cm = arg_get_lit(ctx, 1);
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CLIParserFree(ctx);
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do {
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lf_read(false, 16000);
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demodDestron(!cm);
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} while (cm && !kbd_enter_pressed());
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return PM3_SUCCESS;
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}
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static int CmdDestronClone(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "lf destron clone",
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"clone a Destron tag to a T55x7, Q5/T5555 or EM4305/4469 tag.",
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"lf destron clone --uid 1A2B3C4D5E\n"
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"lf destron clone --q5 --uid 1A2B3C4D5E -> encode for Q5/T5555 tag\n"
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"lf destron clone --em --uid 1A2B3C4D5E -> encode for EM4305/4469"
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);
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void *argtable[] = {
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arg_param_begin,
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arg_strx1("u", "uid", "<hex>", "5 bytes max"),
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arg_lit0(NULL, "q5", "optional - specify writing to Q5/T5555 tag"),
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arg_lit0(NULL, "em", "optional - specify writing to EM4305/4469 tag"),
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arg_param_end
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};
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//TODO add selection of chip for Q5 or T55x7
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CLIExecWithReturn(ctx, Cmd, argtable, false);
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uint8_t data[8];
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int datalen = 0;
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CLIGetHexWithReturn(ctx, 1, data, &datalen);
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bool q5 = arg_get_lit(ctx, 2);
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bool em = arg_get_lit(ctx, 3);
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CLIParserFree(ctx);
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if (q5 && em) {
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PrintAndLogEx(FAILED, "Can't specify both Q5 and EM4305 at the same time");
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return PM3_EINVARG;
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}
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if (datalen > 5) {
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PrintAndLogEx(FAILED, "Uid is max 5 bytes. (got %u)", datalen);
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return PM3_EINVARG;
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}
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uint32_t blocks[4] = {0};
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blocks[0] = T55x7_BITRATE_RF_50 | T55x7_MODULATION_FSK2 | 3 << T55x7_MAXBLOCK_SHIFT;
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char cardtype[16] = {"T55x7"};
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// Q5
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if (q5) {
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blocks[0] = T5555_FIXED | T5555_MODULATION_FSK2 | T5555_SET_BITRATE(50) | 3 << T5555_MAXBLOCK_SHIFT;
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snprintf(cardtype, sizeof(cardtype), "Q5/T5555");
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}
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// EM4305
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if (em) {
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blocks[0] = EM4305_DESTRON_CONFIG_BLOCK;
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snprintf(cardtype, sizeof(cardtype), "EM4305/4469");
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}
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uint8_t data_ex[12 + 24] = {0}; // ManchesterEncode need extra room
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for (int i = 0; i < datalen; i++) {
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data_ex[i + 1] = ~(data [i] | (oddparity8(data[i]) << 7));
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}
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// manchester encode it
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for (int i = 0; i < 3; i++) {
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blocks[i + 1] = manchesterEncode2Bytes((data_ex[i * 2] << 8) + data_ex[i * 2 + 1]);
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}
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// inject preamble
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blocks[1] = (blocks[1] & 0xFFFF) | 0xAAE20000;
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PrintAndLogEx(INFO, "Preparing to clone Destron tag with ID: %s", sprint_hex(data, datalen));
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blocks[0] = T55x7_BITRATE_RF_50 | T55x7_MODULATION_FSK2 | 3 << T55x7_MAXBLOCK_SHIFT;
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PrintAndLogEx(INFO, "Preparing to clone Destron tag to " _YELLOW_("%s") " with ID: " _YELLOW_("%s")
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, cardtype
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, sprint_hex_inrow(data, datalen)
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);
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print_blocks(blocks, ARRAYLEN(blocks));
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int res = clone_t55xx_tag(blocks, ARRAYLEN(blocks));
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int res;
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if (em) {
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res = em4x05_clone_tag(blocks, ARRAYLEN(blocks), 0, false);
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} else {
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res = clone_t55xx_tag(blocks, ARRAYLEN(blocks));
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}
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PrintAndLogEx(SUCCESS, "Done");
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PrintAndLogEx(HINT, "Hint: try " _YELLOW_("`lf Destron read`") " to verify");
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PrintAndLogEx(HINT, "Hint: try " _YELLOW_("`lf destron reader`") " to verify");
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return res;
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}
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static int CmdDestronSim(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "lf destron sim",
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"Try to find Destron preamble, if found decode / descramble data",
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"lf destron sim"
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);
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void *argtable[] = {
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arg_param_begin,
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arg_param_end
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};
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CLIExecWithReturn(ctx, Cmd, argtable, true);
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CLIParserFree(ctx);
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PrintAndLogEx(INFO, " To be implemented, feel free to contribute!");
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return PM3_SUCCESS;
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}
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static command_t CommandTable[] = {
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{"help", CmdHelp, AlwaysAvailable, "This help"},
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{"demod", CmdDestronDemod, AlwaysAvailable, "Demodulate an Destron tag from the GraphBuffer"},
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{"read", CmdDestronRead, IfPm3Lf, "Attempt to read and extract tag data from the antenna"},
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{"clone", CmdDestronClone, IfPm3Lf, "Clone Destron tag to T55x7"},
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{"sim", CmdDestronSim, IfPm3Lf, "Simulate Destron tag"},
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{"help", CmdHelp, AlwaysAvailable, "This help"},
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{"demod", CmdDestronDemod, AlwaysAvailable, "Demodulate an Destron tag from the GraphBuffer"},
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{"reader", CmdDestronReader, IfPm3Lf, "Attempt to read and extract tag data from the antenna"},
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{"clone", CmdDestronClone, IfPm3Lf, "Clone Destron tag to T55x7"},
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{"sim", CmdDestronSim, IfPm3Lf, "Simulate Destron tag"},
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{NULL, NULL, NULL, NULL}
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};
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@ -185,5 +267,5 @@ int detectDestron(uint8_t *dest, size_t *size) {
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}
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int readDestronUid(void) {
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return (CmdDestronRead("") == PM3_SUCCESS);
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return (CmdDestronReader("") == PM3_SUCCESS);
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}
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@ -32,6 +32,7 @@
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#define EM4305_SECURAKEY_CONFIG_BLOCK (EM4x05_SET_BITRATE(40) | EM4x05_MODULATION_MANCHESTER | EM4x05_SET_NUM_BLOCKS(3) ) // ASK/MAN, data rate 40, 3 data blocks
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#define EM4305_GALLAGHER_CONFIG_BLOCK (EM4x05_SET_BITRATE(32) | EM4x05_MODULATION_MANCHESTER | EM4x05_SET_NUM_BLOCKS(3) ) // ASK/MAN, data rate 32, 3 data blocks
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#define EM4305_DESTRON_CONFIG_BLOCK (EM4x05_SET_BITRATE(50) | EM4x05_MODULATION_FSK2 | EM4x05_SET_NUM_BLOCKS(3) ) // FSK2a, hid 26 bit, data rate 50, 3 data blocks
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#define EM4305_HID_26_CONFIG_BLOCK (EM4x05_SET_BITRATE(50) | EM4x05_MODULATION_FSK2 | EM4x05_SET_NUM_BLOCKS(3) ) // FSK2a, hid 26 bit, data rate 50, 3 data blocks
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#define EM4305_PARADOX_CONFIG_BLOCK (EM4x05_SET_BITRATE(50) | EM4x05_MODULATION_FSK2 | EM4x05_SET_NUM_BLOCKS(3) ) // FSK2a, hid 26 bit, data rate 50, 3 data blocks
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#define EM4305_AWID_CONFIG_BLOCK (EM4x05_SET_BITRATE(50) | EM4x05_MODULATION_FSK2 | EM4x05_SET_NUM_BLOCKS(3) ) // FSK2a, hid 26 bit, data rate 50, 3 data blocks
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