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This commit is contained in:
Philippe Teuwen 2019-03-10 00:00:59 +01:00
commit 0373696662
483 changed files with 56514 additions and 52451 deletions
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59
client/cmdlfparadox.c
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@ -21,7 +21,8 @@
#include "lfdemod.h"
static int CmdHelp(const char *Cmd);
int usage_lf_paradox_sim(void) {
int usage_lf_paradox_sim(void)
{
PrintAndLogEx(NORMAL, "Enables simulation of Paradox card with specified card number.");
PrintAndLogEx(NORMAL, "Simulation runs until the button is pressed or another USB command is issued.");
PrintAndLogEx(NORMAL, "The facility-code is 8-bit and the card number is 16-bit. Larger values are truncated.");
@ -38,9 +39,10 @@ int usage_lf_paradox_sim(void) {
}
// loop to get raw paradox waveform then FSK demodulate the TAG ID from it
int detectParadox(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx) {
int detectParadox(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx)
{
//make sure buffer has data
if (*size < 96*50) return -1;
if (*size < 96 * 50) return -1;
if (getSignalProperties()->isnoise) return -2;
@ -52,21 +54,21 @@ int detectParadox(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint
// 00001111 bit pattern represent start of frame, 01 pattern represents a 0 and 10 represents a 1
size_t startIdx = 0;
uint8_t preamble[] = {0,0,0,0,1,1,1,1};
uint8_t preamble[] = {0, 0, 0, 0, 1, 1, 1, 1};
if (!preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx))
return -4; //preamble not found
size_t numStart = startIdx + sizeof(preamble);
// final loop, go over previously decoded FSK data and manchester decode into usable tag ID
for (size_t idx = numStart; (idx-numStart) < *size - sizeof(preamble); idx+=2){
if (dest[idx] == dest[idx+1])
for (size_t idx = numStart; (idx - numStart) < *size - sizeof(preamble); idx += 2) {
if (dest[idx] == dest[idx + 1])
return -5; //not manchester data
*hi2 = (*hi2 << 1) | (*hi >> 31);
*hi = (*hi << 1) | (*lo >> 31);
//Then, shift in a 0 or one into low
*lo <<= 1;
if (dest[idx] && !dest[idx+1]) // 1 0
if (dest[idx] && !dest[idx + 1]) // 1 0
*lo |= 1;
else // 0 1
*lo |= 0;
@ -77,7 +79,8 @@ int detectParadox(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint
//by marshmellow
//Paradox Prox demod - FSK2a RF/50 with preamble of 00001111 (then manchester encoded)
//print full Paradox Prox ID and some bit format details if found
int CmdParadoxDemod(const char *Cmd) {
int CmdParadoxDemod(const char *Cmd)
{
//raw fsk demod no manchester decoding no start bit finding just get binary from wave
uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0};
size_t size = getFromGraphBuf(bits);
@ -90,7 +93,7 @@ int CmdParadoxDemod(const char *Cmd) {
int waveIdx = 0;
//get binary from fsk wave
int idx = detectParadox(bits, &size, &hi2, &hi, &lo, &waveIdx);
if (idx < 0){
if (idx < 0) {
if (idx == -1)
PrintAndLogEx(DEBUG, "DEBUG: Error - Paradox not enough samples");
@ -111,7 +114,7 @@ int CmdParadoxDemod(const char *Cmd) {
setDemodBuf(bits, size, idx);
setClockGrid(50, waveIdx + (idx * 50));
if (hi2 == 0 && hi == 0 && lo == 0){
if (hi2 == 0 && hi == 0 && lo == 0) {
PrintAndLogEx(DEBUG, "DEBUG: Error - Paradox no value found");
return 0;
}
@ -123,14 +126,14 @@ int CmdParadoxDemod(const char *Cmd) {
uint32_t rawHi2 = bytebits_to_byte(bits + idx, 32);
PrintAndLogEx(NORMAL, "Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x",
hi >> 10,
(hi & 0x3) << 26 | (lo >> 10),
fc, cardnum,
(lo >> 2) & 0xFF,
rawHi2,
rawHi,
rawLo
);
hi >> 10,
(hi & 0x3) << 26 | (lo >> 10),
fc, cardnum,
(lo >> 2) & 0xFF,
rawHi2,
rawHi,
rawLo
);
PrintAndLogEx(DEBUG, "DEBUG: Paradox idx: %d, len: %d, Printing Demod Buffer:", idx, size);
if (g_debugMode)
@ -140,12 +143,14 @@ int CmdParadoxDemod(const char *Cmd) {
}
//by marshmellow
//see ASKDemod for what args are accepted
int CmdParadoxRead(const char *Cmd) {
int CmdParadoxRead(const char *Cmd)
{
lf_read(true, 10000);
return CmdParadoxDemod(Cmd);
}
int CmdParadoxSim(const char *Cmd) {
int CmdParadoxSim(const char *Cmd)
{
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_paradox_sim();
@ -162,17 +167,17 @@ int CmdParadoxSim(const char *Cmd) {
arg1 = high << 8 | low;
arg2 = invert << 8 | clk;
if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_paradox_sim();
if (sscanf(Cmd, "%u %u", &fc, &cn) != 2) return usage_lf_paradox_sim();
facilitycode = (fc & 0x000000FF);
cardnumber = (cn & 0x0000FFFF);
// if ( !GetParadoxBits(facilitycode, cardnumber, bs)) {
// PrintAndLogEx(WARNING, "Error with tag bitstream generation.");
// return 1;
// PrintAndLogEx(WARNING, "Error with tag bitstream generation.");
// return 1;
// }
PrintAndLogEx(NORMAL, "Simulating Paradox - Facility Code: %u, CardNumber: %u", facilitycode, cardnumber );
PrintAndLogEx(NORMAL, "Simulating Paradox - Facility Code: %u, CardNumber: %u", facilitycode, cardnumber);
UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
memcpy(c.d.asBytes, bs, size);
@ -192,13 +197,15 @@ static command_t CommandTable[] = {
{NULL, NULL, 0, NULL}
};
int CmdLFParadox(const char *Cmd) {
int CmdLFParadox(const char *Cmd)
{
clearCommandBuffer();
CmdsParse(CommandTable, Cmd);
return 0;
}
int CmdHelp(const char *Cmd) {
int CmdHelp(const char *Cmd)
{
CmdsHelp(CommandTable);
return 0;
}