proxmark3/client/cmdlfhid.c
cex123@gmail.com ec09b62d88
2011-10-15 15:15:49 +00:00

100 lines
2.3 KiB
C

//-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// 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
// the license.
//-----------------------------------------------------------------------------
// Low frequency HID commands
//-----------------------------------------------------------------------------
#include <stdio.h>
#include "proxusb.h"
#include "ui.h"
#include "graph.h"
#include "cmdparser.h"
#include "cmdlfhid.h"
static int CmdHelp(const char *Cmd);
int CmdHIDDemod(const char *Cmd)
{
if (GraphTraceLen < 4800) {
PrintAndLog("too short; need at least 4800 samples");
return 0;
}
GraphTraceLen = 4800;
for (int i = 0; i < GraphTraceLen; ++i) {
if (GraphBuffer[i] < 0) {
GraphBuffer[i] = 0;
} else {
GraphBuffer[i] = 1;
}
}
RepaintGraphWindow();
return 0;
}
int CmdHIDDemodFSK(const char *Cmd)
{
UsbCommand c={CMD_HID_DEMOD_FSK};
SendCommand(&c);
return 0;
}
int CmdHIDSim(const char *Cmd)
{
unsigned int hi = 0, lo = 0;
int n = 0, i = 0;
while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
hi = (hi << 4) | (lo >> 28);
lo = (lo << 4) | (n & 0xf);
}
PrintAndLog("Emulating tag with ID %x%16x", hi, lo);
UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}};
SendCommand(&c);
return 0;
}
int CmdHIDClone(const char *Cmd)
{
unsigned int hi = 0, lo = 0;
int n = 0, i = 0;
while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
hi = (hi << 4) | (lo >> 28);
lo = (lo << 4) | (n & 0xf);
}
PrintAndLog("Cloning tag with ID %x%08x", hi, lo);
UsbCommand c = {CMD_HID_CLONE_TAG, {hi, lo}};
SendCommand(&c);
return 0;
}
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
{"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"},
{"fskdemod", CmdHIDDemodFSK, 0, "Realtime HID FSK demodulator"},
{"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"},
{"clone", CmdHIDClone, 0, "<ID> -- Clone HID to T55x7 (tag must be in antenna)"},
{NULL, NULL, 0, NULL}
};
int CmdLFHID(const char *Cmd)
{
CmdsParse(CommandTable, Cmd);
return 0;
}
int CmdHelp(const char *Cmd)
{
CmdsHelp(CommandTable);
return 0;
}