git.zerfleddert.de Git - proxmark3-svn/blob - client/cmdlfhid.c

   1 #include <stdio.h>
   2 #include "proxusb.h"
   3 #include "ui.h"
   4 #include "graph.h"
   5 #include "cmdparser.h"
   6 #include "cmdlfhid.h"
   7
   8 static int CmdHelp(const char *Cmd);
   9
  10 int CmdHIDDemod(const char *Cmd)
  11 {
  12   if (GraphTraceLen < 4800) {
  13     PrintAndLog("too short; need at least 4800 samples");
  14     return 0;
  15   }
  16
  17   GraphTraceLen = 4800;
  18   for (int i = 0; i < GraphTraceLen; ++i) {
  19     if (GraphBuffer[i] < 0) {
  20       GraphBuffer[i] = 0;
  21     } else {
  22       GraphBuffer[i] = 1;
  23     }
  24   }
  25   RepaintGraphWindow();
  26   return 0;
  27 }
  28
  29 int CmdHIDDemodFSK(const char *Cmd)
  30 {
  31   UsbCommand c={CMD_HID_DEMOD_FSK};
  32   SendCommand(&c);
  33   return 0;
  34 }
  35
  36 int CmdHIDSim(const char *Cmd)
  37 {
  38   unsigned int hi = 0, lo = 0;
  39   int n = 0, i = 0;
  40
  41   while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
  42     hi = (hi << 4) | (lo >> 28);
  43     lo = (lo << 4) | (n & 0xf);
  44   }
  45
  46   PrintAndLog("Emulating tag with ID %x%16x", hi, lo);
  47
  48   UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}};
  49   SendCommand(&c);
  50   return 0;
  51 }
  52
  53 static command_t CommandTable[] =
  54 {
  55   {"help",      CmdHelp,        1, "This help"},
  56   {"demod",     CmdHIDDemod,    1, "Demodulate HID Prox Card II (not optimal)"},
  57   {"fskdemod",  CmdHIDDemodFSK, 0, "Realtime HID FSK demodulator"},
  58   {"sim",       CmdHIDSim,      0, "<ID> -- HID tag simulator"},
  59   {NULL, NULL, 0, NULL}
  60 };
  61
  62 int CmdLFHID(const char *Cmd)
  63 {
  64   CmdsParse(CommandTable, Cmd);
  65   return 0;
  66 }
  67
  68 int CmdHelp(const char *Cmd)
  69 {
  70   CmdsHelp(CommandTable);
  71   return 0;
  72 }