lf em 410x - now uses cliparser, support continuous mode, and reworked output

This commit is contained in:
iceman1001 2020-12-09 14:48:10 +01:00
parent 8e022d3040
commit 3329e363e0
3 changed files with 301 additions and 273 deletions

View file

@ -709,7 +709,7 @@ static int Cmdmandecoderaw(const char *Cmd) {
if (Em410xDecode(bits, &size, &idx, &hi, &id) == 1) {
//need to adjust to set bitstream back to manchester encoded data
//setDemodBuff(bits, size, idx);
printEM410x(hi, id);
printEM410x(hi, id, false);
}
}
return PM3_SUCCESS;

View file

@ -1,5 +1,8 @@
//-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
// modified marshmellow
// modified Iceman, 2020
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
@ -10,13 +13,11 @@
#include "cmdlfem410x.h"
#include "cmdlfem4x50.h"
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <ctype.h>
#include <stdlib.h>
#include "fileutils.h"
#include "cmdparser.h" // command_t
#include "comms.h"
@ -37,88 +38,6 @@
static uint64_t g_em410xid = 0;
static int CmdHelp(const char *Cmd);
//////////////// 410x commands
static int usage_lf_em410x_demod(void) {
PrintAndLogEx(NORMAL, "Usage: lf em 410x_demod [h] [clock] <0|1> [maxError]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help");
PrintAndLogEx(NORMAL, " clock - set clock as integer, optional, if not set, autodetect.");
PrintAndLogEx(NORMAL, " <0|1> - 0 normal output, 1 for invert output");
PrintAndLogEx(NORMAL, " maxerror - set maximum allowed errors, default = 100.");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_demod") " = demod an EM410x Tag ID from GraphBuffer");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_demod 32") " = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_demod 32 1") " = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_demod 1") " = demod an EM410x Tag ID from GraphBuffer while inverting data");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_demod 64 1 0") " = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors");
return PM3_SUCCESS;
}
static int usage_lf_em410x_watch(void) {
PrintAndLogEx(NORMAL, "Enables IOProx compatible reader mode printing details of scanned tags.");
PrintAndLogEx(NORMAL, "By default, values are printed and logged until the button is pressed or another USB command is issued.");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf em 410x_watch");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_watch"));
return PM3_SUCCESS;
}
static int usage_lf_em410x_clone(void) {
PrintAndLogEx(NORMAL, "Writes EM410x ID to a T55x7 or Q5/T5555 tag");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf em 410x_clone [h] <id> <card> [clock]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help");
PrintAndLogEx(NORMAL, " <id> - ID number");
PrintAndLogEx(NORMAL, " <card> - 0|1 0 = Q5/T5555, 1 = T55x7");
PrintAndLogEx(NORMAL, " <clock> - 16|32|40|64, optional, set R/F clock rate, defaults to 64");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_clone 0F0368568B 1") " = write ID to t55x7 card");
return PM3_SUCCESS;
}
static int usage_lf_em410x_ws(void) {
PrintAndLogEx(NORMAL, "Watch 'nd Spoof, activates reader, waits until a EM410x tag gets presented then it starts simulating the found UID");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf em 410x_spoof [h]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_spoof"));
return PM3_SUCCESS;
}
static int usage_lf_em410x_sim(void) {
PrintAndLogEx(NORMAL, "Simulating EM410x tag");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf em 410x_sim [h] <uid> <clock>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help");
PrintAndLogEx(NORMAL, " uid - uid (10 HEX symbols)");
PrintAndLogEx(NORMAL, " clock - clock (32|64) (optional)");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_sim 0F0368568B"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_sim 0F0368568B 32"));
return PM3_SUCCESS;
}
static int usage_lf_em410x_brute(void) {
PrintAndLogEx(NORMAL, "Bruteforcing by emulating EM410x tag");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf em 410x_brute [h] ids.txt [d 2000] [c clock]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h - this help");
PrintAndLogEx(NORMAL, " ids.txt - file with UIDs in HEX format, one per line");
PrintAndLogEx(NORMAL, " d (2000) - pause delay in milliseconds between UIDs simulation, default 1000 ms (optional)");
PrintAndLogEx(NORMAL, " c (32) - clock (32|64), default 64 (optional)");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_brute ids.txt"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_brute ids.txt c 32"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_brute ids.txt d 3000"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf em 410x_brute ids.txt d 3000 c 32"));
return PM3_SUCCESS;
}
/* Read the ID of an EM410x tag.
* Format:
* 1111 1111 1 <-- standard non-repeatable header
@ -129,63 +48,62 @@ static int usage_lf_em410x_brute(void) {
*/
// Construct the graph for emulating an EM410X tag
static void ConstructEM410xEmulGraph(const char *uid, const uint8_t clock) {
static void em410x_construct_emul_graph(uint8_t *uid, uint8_t clock) {
int i, j, binary[4], parity[4];
uint32_t n;
/* clear our graph */
// clear our graph
ClearGraph(true);
/* write 16 zero bit sledge */
for (i = 0; i < 20; i++)
// write 16 zero bit sledge
for (uint8_t i = 0; i < 20; i++)
AppendGraph(false, clock, 0);
/* write 9 start bits */
for (i = 0; i < 9; i++)
// write 9 start bits
for (uint8_t i = 0; i < 9; i++)
AppendGraph(false, clock, 1);
/* for each hex char */
parity[0] = parity[1] = parity[2] = parity[3] = 0;
for (i = 0; i < 10; i++) {
/* read each hex char */
sscanf(&uid[i], "%1x", &n);
for (j = 3; j >= 0; j--, n /= 2)
binary[j] = n % 2;
uint8_t bs[8], parity[8];
memset(parity, 0, sizeof(parity));
/* append each bit */
AppendGraph(false, clock, binary[0]);
AppendGraph(false, clock, binary[1]);
AppendGraph(false, clock, binary[2]);
AppendGraph(false, clock, binary[3]);
for (uint8_t i = 0; i < 5; i++) {
/* append parity bit */
AppendGraph(false, clock, binary[0] ^ binary[1] ^ binary[2] ^ binary[3]);
for (uint8_t j = 0; j < 8; j++) {
bs[j] = (uid[i] >> (7 - j) & 1);
}
PrintAndLogEx(DEBUG, "uid[%d] 0x%02x (%s)", i, uid[i], sprint_bin(bs, 4));
/* keep track of column parity */
parity[0] ^= binary[0];
parity[1] ^= binary[1];
parity[2] ^= binary[2];
parity[3] ^= binary[3];
for (uint8_t j = 0; j < 2; j++) {
// append each bit
AppendGraph(false, clock, bs[0 + (4 * j)]);
AppendGraph(false, clock, bs[1 + (4 * j)]);
AppendGraph(false, clock, bs[2 + (4 * j)]);
AppendGraph(false, clock, bs[3 + (4 * j)]);
// append parity bit
AppendGraph(false, clock, bs[0 + (4 * j)] ^ bs[1 + (4 * j)] ^ bs[2 + (4 * j)] ^ bs[3 + (4 * j)]);
// keep track of column parity
parity[0] ^= bs[0 + (4 * j)];
parity[1] ^= bs[1 + (4 * j)];
parity[2] ^= bs[2 + (4 * j)];
parity[3] ^= bs[3 + (4 * j)];
}
}
/* parity columns */
// parity columns
AppendGraph(false, clock, parity[0]);
AppendGraph(false, clock, parity[1]);
AppendGraph(false, clock, parity[2]);
AppendGraph(false, clock, parity[3]);
/* stop bit */
// stop bit
AppendGraph(true, clock, 0);
}
//by marshmellow
//print 64 bit EM410x ID in multiple formats
void printEM410x(uint32_t hi, uint64_t id) {
void printEM410x(uint32_t hi, uint64_t id, bool verbose) {
if (!id && !hi) return;
PrintAndLogEx(SUCCESS, "EM410x%s pattern found", (hi) ? " XL" : "");
uint64_t n = 1;
uint64_t id2lo = 0;
uint8_t m, i;
@ -195,26 +113,36 @@ void printEM410x(uint32_t hi, uint64_t id) {
}
}
if (verbose == false) {
if (hi) {
PrintAndLogEx(SUCCESS, "EM 410x ID "_GREEN_("%06X%016" PRIX64), hi, id);
} else {
PrintAndLogEx(SUCCESS, "EM 410x ID "_GREEN_("%010" PRIX64), id);
}
return;
}
if (hi) {
//output 88 bit em id
PrintAndLogEx(NORMAL, "\nEM TAG ID : "_YELLOW_("%06X%016" PRIX64), hi, id);
PrintAndLogEx(NORMAL, "Clock rate : "_YELLOW_("RF/%d"), g_DemodClock);
PrintAndLogEx(SUCCESS, "EM 410x ID "_GREEN_("%06X%016" PRIX64), hi, id);
PrintAndLogEx(SUCCESS, "EM410x XL ( RF/%d )", g_DemodClock);
} else {
//output 40 bit em id
PrintAndLogEx(NORMAL, "\nEM TAG ID : "_YELLOW_("%010" PRIX64), id);
PrintAndLogEx(NORMAL, "Clock rate : "_YELLOW_("RF/%d"), g_DemodClock);
PrintAndLogEx(NORMAL, "\nPossible de-scramble patterns\n");
PrintAndLogEx(NORMAL, "Unique TAG ID : %010" PRIX64, id2lo);
PrintAndLogEx(NORMAL, "HoneyWell IdentKey {");
PrintAndLogEx(NORMAL, "DEZ 8 : %08" PRIu64, id & 0xFFFFFF);
PrintAndLogEx(NORMAL, "DEZ 10 : %010" PRIu64, id & 0xFFFFFFFF);
PrintAndLogEx(NORMAL, "DEZ 5.5 : %05" PRIu64 ".%05" PRIu64, (id >> 16LL) & 0xFFFF, (id & 0xFFFF));
PrintAndLogEx(NORMAL, "DEZ 3.5A : %03" PRIu64 ".%05" PRIu64, (id >> 32ll), (id & 0xFFFF));
PrintAndLogEx(NORMAL, "DEZ 3.5B : %03" PRIu64 ".%05" PRIu64, (id & 0xFF000000) >> 24, (id & 0xFFFF));
PrintAndLogEx(NORMAL, "DEZ 3.5C : %03" PRIu64 ".%05" PRIu64, (id & 0xFF0000) >> 16, (id & 0xFFFF));
PrintAndLogEx(NORMAL, "DEZ 14/IK2 : %014" PRIu64, id);
PrintAndLogEx(NORMAL, "DEZ 15/IK3 : %015" PRIu64, id2lo);
PrintAndLogEx(NORMAL, "DEZ 20/ZK : %02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64,
PrintAndLogEx(SUCCESS, "EM 410x ID "_GREEN_("%010" PRIX64), id);
PrintAndLogEx(SUCCESS, "EM410x ( RF/%d )", g_DemodClock);
PrintAndLogEx(INFO, "-------- " _CYAN_("Possible de-scramble patterns") " ---------");
PrintAndLogEx(SUCCESS, "Unique TAG ID : %010" PRIX64, id2lo);
PrintAndLogEx(INFO, "HoneyWell IdentKey");
PrintAndLogEx(SUCCESS, " DEZ 8 : %08" PRIu64, id & 0xFFFFFF);
PrintAndLogEx(SUCCESS, " DEZ 10 : %010" PRIu64, id & 0xFFFFFFFF);
PrintAndLogEx(SUCCESS, " DEZ 5.5 : %05" PRIu64 ".%05" PRIu64, (id >> 16LL) & 0xFFFF, (id & 0xFFFF));
PrintAndLogEx(SUCCESS, " DEZ 3.5A : %03" PRIu64 ".%05" PRIu64, (id >> 32ll), (id & 0xFFFF));
PrintAndLogEx(SUCCESS, " DEZ 3.5B : %03" PRIu64 ".%05" PRIu64, (id & 0xFF000000) >> 24, (id & 0xFFFF));
PrintAndLogEx(SUCCESS, " DEZ 3.5C : %03" PRIu64 ".%05" PRIu64, (id & 0xFF0000) >> 16, (id & 0xFFFF));
PrintAndLogEx(SUCCESS, " DEZ 14/IK2 : %014" PRIu64, id);
PrintAndLogEx(SUCCESS, " DEZ 15/IK3 : %015" PRIu64, id2lo);
PrintAndLogEx(SUCCESS, " DEZ 20/ZK : %02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64,
(id2lo & 0xf000000000) >> 36,
(id2lo & 0x0f00000000) >> 32,
(id2lo & 0x00f0000000) >> 28,
@ -226,9 +154,11 @@ void printEM410x(uint32_t hi, uint64_t id) {
(id2lo & 0x00000000f0) >> 4,
(id2lo & 0x000000000f)
);
PrintAndLogEx(INFO, "");
uint64_t paxton = (((id >> 32) << 24) | (id & 0xffffff)) + 0x143e00;
PrintAndLogEx(NORMAL, "}\nOther : %05" PRIu64 "_%03" PRIu64 "_%08" PRIu64, (id & 0xFFFF), ((id >> 16LL) & 0xFF), (id & 0xFFFFFF));
PrintAndLogEx(NORMAL, "Pattern Paxton : %" PRIu64 " [0x%" PRIX64 "]", paxton, paxton);
PrintAndLogEx(SUCCESS, "Other : %05" PRIu64 "_%03" PRIu64 "_%08" PRIu64, (id & 0xFFFF), ((id >> 16LL) & 0xFF), (id & 0xFFFFFF));
PrintAndLogEx(SUCCESS, "Pattern Paxton : %" PRIu64 " [0x%" PRIX64 "]", paxton, paxton);
uint32_t p1id = (id & 0xFFFFFF);
uint8_t arr[32] = {0x00};
@ -268,12 +198,13 @@ void printEM410x(uint32_t hi, uint64_t id) {
p1 |= arr[2] << 4;
p1 |= arr[1] << 5;
p1 |= arr[0] << 9;
PrintAndLogEx(NORMAL, "Pattern 1 : %d [0x%X]", p1, p1);
PrintAndLogEx(SUCCESS, "Pattern 1 : %d [0x%X]", p1, p1);
uint16_t sebury1 = id & 0xFFFF;
uint8_t sebury2 = (id >> 16) & 0x7F;
uint32_t sebury3 = id & 0x7FFFFF;
PrintAndLogEx(NORMAL, "Pattern Sebury : %d %d %d [0x%X 0x%X 0x%X]", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3);
PrintAndLogEx(SUCCESS, "Pattern Sebury : %d %d %d [0x%X 0x%X 0x%X]", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3);
PrintAndLogEx(INFO, "------------------------------------------------");
}
}
/* Read the ID of an EM410x tag.
@ -321,9 +252,8 @@ int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo) {
printDemodBuff(0, false, false, true);
}
if (verbose)
printEM410x(*hi, *lo);
printEM410x(*hi, *lo, verbose);
g_em410xid = *lo;
return PM3_SUCCESS;
}
@ -342,8 +272,19 @@ int AskEm410xDemod(int clk, int invert, int maxErr, size_t maxLen, bool amplify,
// this read loops on device side.
// uses the demod in lfops.c
static int CmdEM410xWatch(const char *Cmd) {
uint8_t c = tolower(param_getchar(Cmd, 0));
if (c == 'h') return usage_lf_em410x_watch();
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 410x watch",
"Enables Electro Marine (EM) compatible reader mode printing details of scanned tags.\n"
"Run until the button is pressed or another USB command is issued.",
"lf em 410x watch"
);
void *argtable[] = {
arg_param_begin,
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
CLIParserFree(ctx);
PrintAndLogEx(SUCCESS, "Watching for EM410x cards - place tag on antenna");
PrintAndLogEx(INFO, "Press pm3-button to stop reading cards");
@ -367,111 +308,189 @@ int demodEM410x(bool verbose) {
}
static int CmdEM410xDemod(const char *Cmd) {
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) > 10 || cmdp == 'h') return usage_lf_em410x_demod();
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 410x demod",
"Try to find EM 410x preamble, if found decode / descramble data",
"lf em 410x demod -> demod an EM410x Tag ID from GraphBuffer\n"
"lf em 410x demod --clk 32 -> demod an EM410x Tag ID from GraphBuffer using a clock of RF/32\n"
"lf em 410x demod --clk 32 -i -> demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data\n"
"lf em 410x demod -i -> demod an EM410x Tag ID from GraphBuffer while inverting data\n"
"lf em 410x demod --clk 64 -i --err 0 -> demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors"
);
void *argtable[] = {
arg_param_begin,
arg_u64_0(NULL, "clk", "<dec>", "optional - clock (default autodetect)"),
arg_u64_0(NULL, "err", "<dec>", "optional - maximum allowed errors (default 100)"),
arg_u64_0(NULL, "len", "<dec>", "optional - maximum length"),
arg_lit0("i", "invert", "optional - invert output"),
arg_lit0("a", "amp", "optional - amplify signal"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
int clk = arg_get_u32_def(ctx, 1, 0);
int max_err = arg_get_u32_def(ctx, 2, 100);
size_t max_len = arg_get_u32_def(ctx, 3, 0);
bool invert = arg_get_lit(ctx, 4);
bool amplify = arg_get_lit(ctx, 5);
CLIParserFree(ctx);
uint32_t hi = 0;
uint64_t lo = 0;
int clk = 0;
int invert = 0;
int maxErr = 100;
size_t maxLen = 0;
char amp = tolower(param_getchar(Cmd, 0));
sscanf(Cmd, "%i %i %i %zu %c", &clk, &invert, &maxErr, &maxLen, &amp);
bool amplify = amp == 'a';
if (AskEm410xDemod(clk, invert, maxErr, maxLen, amplify, &hi, &lo, true) != PM3_SUCCESS)
if (AskEm410xDemod(clk, invert, max_err, max_len, amplify, &hi, &lo, true) != PM3_SUCCESS)
return PM3_ESOFT;
g_em410xid = lo;
return PM3_SUCCESS;
}
// this read is the "normal" read, which download lf signal and tries to demod here.
static int CmdEM410xRead(const char *Cmd) {
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) > 10 || cmdp == 'h') return usage_lf_em410x_demod();
static int CmdEM410xReader(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 410x reader",
"read EM 410x tag",
"lf em 410x reader -> reader\n"
"lf em 410x reader -@ -> continuous reader mode\n"
"lf em 410x reader --clk 32 -> reader using a clock of RF/32\n"
"lf em 410x reader --clk 32 -i -> reader using a clock of RF/32 and inverting data\n"
"lf em 410x reader -i -> reader while inverting data\n"
"lf em 410x reader --clk 64 -i --err 0 -> reader using a clock of RF/64 and inverting data and allowing 0 demod errors"
);
uint32_t hi = 0;
uint64_t lo = 0;
int clk = 0;
int invert = 0;
int maxErr = 100;
size_t maxLen = 0;
char amp = tolower(param_getchar(Cmd, 0));
sscanf(Cmd, "%i %i %i %zu %c", &clk, &invert, &maxErr, &maxLen, &amp);
bool amplify = amp == 'a';
lf_read(false, 12288);
return AskEm410xDemod(clk, invert, maxErr, maxLen, amplify, &hi, &lo, true);
void *argtable[] = {
arg_param_begin,
arg_u64_0(NULL, "clk", "<dec>", "optional - clock (default autodetect)"),
arg_u64_0(NULL, "err", "<dec>", "optional - maximum allowed errors (default 100)"),
arg_u64_0(NULL, "len", "<dec>", "optional - maximum length"),
arg_lit0("i", "invert", "optional - invert output"),
arg_lit0("a", "amp", "optional - amplify signal"),
arg_lit0("@", NULL, "optional - continuous reader mode"),
arg_lit0("v", "verbose", "verbose output"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
int clk = arg_get_u32_def(ctx, 1, 0);
int max_err = arg_get_u32_def(ctx, 2, 100);
size_t max_len = arg_get_u32_def(ctx, 3, 0);
bool invert = arg_get_lit(ctx, 4);
bool amplify = arg_get_lit(ctx, 5);
bool cm = arg_get_lit(ctx, 6);
bool verbose = arg_get_lit(ctx, 7);
CLIParserFree(ctx);
if (cm) {
PrintAndLogEx(INFO, "Press " _GREEN_("<Enter>") " to exit");
}
do {
uint32_t hi = 0;
uint64_t lo = 0;
lf_read(false, 12288);
AskEm410xDemod(clk, invert, max_err, max_len, amplify, &hi, &lo, verbose);
} while (cm && !kbd_enter_pressed());
return PM3_SUCCESS;
}
// emulate an EM410X tag
static int CmdEM410xSim(const char *Cmd) {
char cmdp = tolower(param_getchar(Cmd, 0));
if (cmdp == 'h') return usage_lf_em410x_sim();
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 410x sim",
"Enables simulation of EM 410x card.\n"
"Simulation runs until the button is pressed or another USB command is issued.",
"lf em 410x sim --id 0F0368568B\n"
"lf em 410x sim --id 0F0368568B --clk 32"
);
uint8_t uid[5] = {0x00};
void *argtable[] = {
arg_param_begin,
arg_u64_0(NULL, "clk", "<dec>", "optional - clock [32|64] (default 64)"),
arg_str1("i", "id", "<hex>", "ID number (5 hex bytes)"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
/* clock is 64 in EM410x tags */
uint8_t clk = 64;
// clock is 64 in EM410x tags
int clk = arg_get_u32_def(ctx, 1, 64);
int uid_len = 0;
uint8_t uid[5] = {0};
CLIGetHexWithReturn(ctx, 2, uid, &uid_len);
CLIParserFree(ctx);
if (param_gethex(Cmd, 0, uid, 10)) {
PrintAndLogEx(FAILED, "UID must include 10 HEX symbols");
if (uid_len != 5) {
PrintAndLogEx(FAILED, "UID must include 5 hex bytes (%u)", uid_len);
return PM3_EINVARG;
}
param_getdec(Cmd, 1, &clk);
PrintAndLogEx(SUCCESS, "Starting simulating UID "_YELLOW_("%02X%02X%02X%02X%02X")" clock: "_YELLOW_("%d"), uid[0], uid[1], uid[2], uid[3], uid[4], clk);
PrintAndLogEx(SUCCESS, "Starting simulating UID "_YELLOW_("%s")" clock: "_YELLOW_("%d"), sprint_hex_inrow(uid, sizeof(uid)), clk);
PrintAndLogEx(SUCCESS, "Press pm3-button to abort simulation");
ConstructEM410xEmulGraph(Cmd, clk);
em410x_construct_emul_graph(uid, clk);
CmdLFSim("0"); //240 start_gap.
CmdLFSim("0"); // 240 start_gap.
return PM3_SUCCESS;
}
static int CmdEM410xBrute(const char *Cmd) {
static int CmdEM410xBrute(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 410x brute",
"bruteforcing by emulating EM 410x tag",
"lf em 410x brute -f ids.txt\n"
"lf em 410x brute -f ids.txt --clk 32\n"
"lf em 410x brute -f ids.txt --delay 3000\n"
"lf em 410x brute -f ids.txt --delay 3000 --clk 32\n"
);
void *argtable[] = {
arg_param_begin,
arg_u64_1(NULL, "clk", "<dec>", "optional - clock [32|64] (default 64)"),
arg_u64_1(NULL, "delay", "<dec>", "optional - pause delay in milliseconds between UIDs simulation (default 1000ms)"),
arg_str1("f", "file", "<hex>", "file with UIDs in HEX format, one per line"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
// clock default 64 in EM410x
uint32_t clk = arg_get_u32_def(ctx, 1, 64);
// default pause time: 1 second
uint32_t delay = arg_get_u32_def(ctx, 2, 1000);
int fnlen = 0;
char filename[FILE_PATH_SIZE] = {0};
FILE *f = NULL;
char buf[11];
uint32_t uidcnt = 0;
uint8_t stUidBlock = 20;
uint8_t *uidBlock = NULL, *p = NULL;
uint8_t uid[5] = {0x00};
/* clock is 64 in EM410x tags */
uint8_t clock1 = 64;
/* default pause time: 1 second */
uint32_t delay = 1000;
CLIParamStrToBuf(arg_get_str(ctx, 3), (uint8_t *)filename, FILE_PATH_SIZE, &fnlen);
CLIParserFree(ctx);
char cmdp = tolower(param_getchar(Cmd, 0));
if (cmdp == 'h') return usage_lf_em410x_brute();
cmdp = tolower(param_getchar(Cmd, 1));
if (cmdp == 'd') {
delay = param_get32ex(Cmd, 2, 1000, 10);
param_getdec(Cmd, 4, &clock1);
} else if (cmdp == 'c') {
param_getdec(Cmd, 2, &clock1);
delay = param_get32ex(Cmd, 4, 1000, 10);
}
int filelen = param_getstr(Cmd, 0, filename, FILE_PATH_SIZE);
if (filelen == 0) {
if (fnlen == 0) {
PrintAndLogEx(ERR, "Error: Please specify a filename");
return PM3_EINVARG;
}
uint32_t uidcnt = 0;
uint8_t stUidBlock = 20;
uint8_t *p = NULL;
uint8_t uid[5] = {0x00};
// open file
FILE *f = NULL;
if ((f = fopen(filename, "r")) == NULL) {
PrintAndLogEx(ERR, "Error: Could not open UIDs file ["_YELLOW_("%s")"]", filename);
return PM3_EFILE;
}
uidBlock = calloc(stUidBlock, 5);
if (uidBlock == NULL) {
// allocate mem for file contents
uint8_t *uidblock = calloc(stUidBlock, 5);
if (uidblock == NULL) {
fclose(f);
return PM3_ESOFT;
PrintAndLogEx(ERR, "Error: can't allocate memory");
return PM3_EMALLOC;
}
// read file into memory
char buf[11];
while (fgets(buf, sizeof(buf), f)) {
if (strlen(buf) < 10 || buf[9] == '\n') continue;
while (fgetc(f) != '\n' && !feof(f)); //goto next line
@ -481,7 +500,7 @@ static int CmdEM410xBrute(const char *Cmd) {
if (param_gethex(buf, 0, uid, 10)) {
PrintAndLogEx(FAILED, "UIDs must include 10 HEX symbols");
free(uidBlock);
free(uidblock);
fclose(f);
return PM3_ESOFT;
}
@ -489,109 +508,118 @@ static int CmdEM410xBrute(const char *Cmd) {
buf[10] = 0;
if (stUidBlock - uidcnt < 2) {
p = realloc(uidBlock, 5 * (stUidBlock += 10));
p = realloc(uidblock, 5 * (stUidBlock += 10));
if (!p) {
PrintAndLogEx(WARNING, "Cannot allocate memory for UIDs");
free(uidBlock);
free(uidblock);
fclose(f);
return PM3_ESOFT;
}
uidBlock = p;
uidblock = p;
}
memset(uidBlock + 5 * uidcnt, 0, 5);
num_to_bytes(strtoll(buf, NULL, 16), 5, uidBlock + 5 * uidcnt);
memset(uidblock + 5 * uidcnt, 0, 5);
num_to_bytes(strtoll(buf, NULL, 16), 5, uidblock + 5 * uidcnt);
uidcnt++;
memset(buf, 0, sizeof(buf));
}
fclose(f);
if (uidcnt == 0) {
PrintAndLogEx(FAILED, "No UIDs found in file");
free(uidBlock);
free(uidblock);
return PM3_ESOFT;
}
PrintAndLogEx(SUCCESS, "Loaded "_YELLOW_("%d")" UIDs from "_YELLOW_("%s")", pause delay:"_YELLOW_("%d")" ms", uidcnt, filename, delay);
// loop
uint8_t testuid[5];
for (uint32_t c = 0; c < uidcnt; ++c) {
char testuid[11];
testuid[10] = 0;
if (kbd_enter_pressed()) {
PrintAndLogEx(WARNING, "\nAborted via keyboard!\n");
free(uidBlock);
free(uidblock);
return PM3_EOPABORTED;
}
sprintf(testuid, "%010" PRIX64, bytes_to_num(uidBlock + 5 * c, 5));
PrintAndLogEx(NORMAL, "Bruteforce %d / %d: simulating UID %s, clock %d", c + 1, uidcnt, testuid, clock1);
memcpy(testuid, uidblock + 5 * c, 5);
PrintAndLogEx(INFO, "Bruteforce %d / %d: simulating UID " _YELLOW_("%s")
, c + 1
, uidcnt
, sprint_hex_inrow(testuid, sizeof(testuid))
);
ConstructEM410xEmulGraph(testuid, clock1);
em410x_construct_emul_graph(testuid, clk);
CmdLFSim("0"); //240 start_gap.
msleep(delay);
}
free(uidBlock);
free(uidblock);
return PM3_SUCCESS;
}
//currently only supports manchester modulations
static int CmdEM410xWatchnSpoof(const char *Cmd) {
static int CmdEM410xSpoof(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 410x spoof",
"Watch 'nd Spoof, activates reader\n"
"Waits until a EM 410x tag gets presented then Proxmark3 starts simulating the found UID",
"lf em 410x spoof"
);
char cmdp = tolower(param_getchar(Cmd, 0));
if (cmdp == 'h') return usage_lf_em410x_ws();
void *argtable[] = {
arg_param_begin,
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
CLIParserFree(ctx);
// loops if the captured ID was in XL-format.
CmdEM410xWatch(Cmd);
CmdEM410xReader("-@");
PrintAndLogEx(SUCCESS, "# Replaying captured ID: "_YELLOW_("%010" PRIx64), g_em410xid);
CmdLFaskSim("");
return PM3_SUCCESS;
}
static int CmdEM410xClone(const char *Cmd) {
char cmdp = tolower(param_getchar(Cmd, 0));
if (cmdp == 0x00 || cmdp == 'h') return usage_lf_em410x_clone();
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 410x clone",
"Writes EM410x ID to a T55x7 or Q5/T5555 tag",
"lf em 410x clone --id 0F0368568B -> write id to T55x7 tag\n"
"lf em 410x clone --id 0F0368568B --q5 -> write id to Q5/T5555 tag"
);
uint64_t id = param_get64ex(Cmd, 0, -1, 16);
uint8_t card = param_get8ex(Cmd, 1, 0xFF, 10);
uint8_t clock1 = param_get8ex(Cmd, 2, 0, 10);
void *argtable[] = {
arg_param_begin,
arg_u64_0(NULL, "clk", "<dec>", "optional - clock <16|32|40|64> (default 64)"),
arg_str1("u", "uid", "<hex>", "ID number (5 hex bytes)"),
arg_lit0(NULL, "q5", "optional - specify writing to Q5/T5555 tag"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
// Check ID
if (id == 0xFFFFFFFFFFFFFFFF) {
PrintAndLogEx(ERR, "error, ID is required\n");
usage_lf_em410x_clone();
return PM3_EINVARG;
}
if (id >= 0x10000000000) {
PrintAndLogEx(ERR, "error, given EM410x ID is longer than 40 bits\n");
usage_lf_em410x_clone();
return PM3_EINVARG;
}
// clock default 64 in EM410x
uint32_t clk = arg_get_u32_def(ctx, 1, 64);
int uid_len = 0;
uint8_t uid[5] = {0};
CLIGetHexWithReturn(ctx, 2, uid, &uid_len);
bool q5 = arg_get_lit(ctx, 3);
CLIParserFree(ctx);
// Check Card
if (card > 1) {
PrintAndLogEx(FAILED, "error, bad card type selected\n");
usage_lf_em410x_clone();
return PM3_EINVARG;
}
// Check Clock
if (clock1 == 0)
clock1 = 64;
uint64_t id = bytes_to_num(uid, uid_len);
// Allowed clock rates: 16, 32, 40 and 64
if ((clock1 != 16) && (clock1 != 32) && (clock1 != 64) && (clock1 != 40)) {
PrintAndLogEx(FAILED, "error, clock rate" _RED_("%d")" not valid", clock1);
PrintAndLogEx(INFO, "supported clock rates: " _YELLOW_("16, 32, 40, 60") "\n");
usage_lf_em410x_clone();
if ((clk != 16) && (clk != 32) && (clk != 64) && (clk != 40)) {
PrintAndLogEx(FAILED, "supported clock rates are " _YELLOW_("16, 32, 40, 64") " got " _RED_("%d") "\n", clk);
return PM3_EINVARG;
}
PrintAndLogEx(SUCCESS, "Writing " _YELLOW_("%s") " tag with UID 0x%010" PRIx64 " (clock rate: %d)", (card == 1) ? "T55x7" : "Q5/T5555", id, clock1);
char cardtype[16] = {"T55x7"};
if (q5) {
snprintf(cardtype, sizeof(cardtype), "Q5/T5555");
}
PrintAndLogEx(SUCCESS, "Preparing to clone EM4102 to " _YELLOW_("%s") " tag with ID " _GREEN_("%010" PRIX64) " (RF/%d)", cardtype, id, clk);
// NOTE: We really should pass the clock in as a separate argument, but to
// provide for backwards-compatibility for older firmware, and to avoid
// having to add another argument to CMD_LF_EM410X_WRITE, we just store
@ -604,8 +632,8 @@ static int CmdEM410xClone(const char *Cmd) {
uint32_t low;
} PACKED params;
params.card = card;
params.clock = clock1;
params.card = (q5) ? 0 : 1;
params.clock = clk;
params.high = (uint32_t)(id >> 32);
params.low = (uint32_t)id;
@ -617,7 +645,7 @@ static int CmdEM410xClone(const char *Cmd) {
switch (resp.status) {
case PM3_SUCCESS: {
PrintAndLogEx(SUCCESS, "Done");
PrintAndLogEx(HINT, "Hint: try " _YELLOW_("`lf em 410x_read`") " to verify");
PrintAndLogEx(HINT, "Hint: try " _YELLOW_("`lf em 410x reader`") " to verify");
break;
}
default: {
@ -629,15 +657,15 @@ static int CmdEM410xClone(const char *Cmd) {
}
static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "This help"},
//{"demod", CmdEMdemodASK, IfPm3Lf, "Extract ID from EM410x tag on antenna)"},
{"demod", CmdEM410xDemod, AlwaysAvailable, "demodulate a EM410x tag from the GraphBuffer"},
{"read", CmdEM410xRead, IfPm3Lf, "attempt to read and extract tag data"},
{"sim", CmdEM410xSim, IfPm3Lf, "simulate EM410x tag"},
{"brute", CmdEM410xBrute, IfPm3Lf, "reader bruteforce attack by simulating EM410x tags"},
{"watch", CmdEM410xWatch, IfPm3Lf, "watches for EM410x 125/134 kHz tags (option 'h' for 134)"},
{"spoof", CmdEM410xWatchnSpoof, IfPm3Lf, "watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" },
{"clone", CmdEM410xClone, IfPm3Lf, "write EM410x UID to T55x7 or Q5/T5555 tag"},
{"help", CmdHelp, AlwaysAvailable, "This help"},
//{"demod", CmdEMdemodASK, IfPm3Lf, "Extract ID from EM410x tag on antenna)"},
{"demod", CmdEM410xDemod, AlwaysAvailable, "demodulate a EM410x tag from the GraphBuffer"},
{"reader", CmdEM410xReader, IfPm3Lf, "attempt to read and extract tag data"},
{"sim", CmdEM410xSim, IfPm3Lf, "simulate EM410x tag"},
{"brute", CmdEM410xBrute, IfPm3Lf, "reader bruteforce attack by simulating EM410x tags"},
{"watch", CmdEM410xWatch, IfPm3Lf, "watches for EM410x 125/134 kHz tags (option 'h' for 134)"},
{"spoof", CmdEM410xSpoof, IfPm3Lf, "watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" },
{"clone", CmdEM410xClone, IfPm3Lf, "write EM410x UID to T55x7 or Q5/T5555 tag"},
{NULL, NULL, NULL, NULL}
};

View file

@ -16,7 +16,7 @@
int CmdLFEM410X(const char *Cmd);
int demodEM410x(bool verbose);
void printEM410x(uint32_t hi, uint64_t id);
void printEM410x(uint32_t hi, uint64_t id, bool verbose);
int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo);
int AskEm410xDemod(int clk, int invert, int maxErr, size_t maxLen, bool amplify, uint32_t *hi, uint64_t *lo, bool verbose);