proxmark3/armsrc/Standalone/lf_samyrun.c
2018-02-22 15:13:43 +01:00

134 lines
No EOL
3.4 KiB
C

//-----------------------------------------------------------------------------
// Samy Kamkar, 2012
// Christian Herrmann, 2017
//
// 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.
//-----------------------------------------------------------------------------
// main code for LF aka SamyRun by Samy Kamkar
//-----------------------------------------------------------------------------
#include "lf_samyrun.h"
// samy's sniff and repeat routine for LF
void RunMod() {
StandAloneMode();
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
uint32_t high[OPTS], low[OPTS];
int selected = 0;
int playing = 0;
int cardRead = 0;
// Turn on selected LED
LED(selected + 1, 0);
for (;;) {
WDT_HIT();
// exit from SamyRun, send a usbcommand.
if (usb_poll_validate_length()) break;
// Was our button held down or pressed?
int button_pressed = BUTTON_HELD(1000);
//SpinDelay(300);
// Button was held for a second, begin recording
if (button_pressed > 0 && cardRead == 0) {
LEDsoff();
LED(selected + 1, 0);
LED(LED_RED2, 0);
// record
DbpString("[+] starting recording");
// wait for button to be released
while (BUTTON_PRESS())
WDT_HIT();
/* need this delay to prevent catching some weird data */
SpinDelay(500);
CmdHIDdemodFSK(1, &high[selected], &low[selected], 0);
Dbprintf("[+] recorded %x %x %08x", selected, high[selected], low[selected]);
LEDsoff();
LED(selected + 1, 0);
// Finished recording
// If we were previously playing, set playing off
// so next button push begins playing what we recorded
playing = 0;
cardRead = 1;
}
else if (button_pressed > 0 && cardRead == 1) {
LEDsoff();
LED(selected + 1, 0);
LED(LED_ORANGE, 0);
// record
Dbprintf("[+] cloning %x %x %08x", selected, high[selected], low[selected]);
// wait for button to be released
while (BUTTON_PRESS())
WDT_HIT();
/* need this delay to prevent catching some weird data */
SpinDelay(500);
CopyHIDtoT55x7(0, high[selected], low[selected], 0);
Dbprintf("[+] cloned %x %x %08x", selected, high[selected], low[selected]);
LEDsoff();
LED(selected + 1, 0);
// Finished recording
// If we were previously playing, set playing off
// so next button push begins playing what we recorded
playing = 0;
cardRead = 0;
}
// Change where to record (or begin playing)
else if (button_pressed) {
// Next option if we were previously playing
if (playing)
selected = (selected + 1) % OPTS;
playing = !playing;
LEDsoff();
LED(selected + 1, 0);
// Begin transmitting
if (playing) {
LED(LED_GREEN, 0);
DbpString("[+] playing");
// wait for button to be released
while (BUTTON_PRESS())
WDT_HIT();
Dbprintf("[+] %x %x %08x", selected, high[selected], low[selected]);
CmdHIDsimTAG(high[selected], low[selected], false);
DbpString("[+] done playing");
if (BUTTON_HELD(1000) > 0) {
DbpString("[+] exiting");
LEDsoff();
return;
}
/* We pressed a button so ignore it here with a delay */
SpinDelay(300);
// when done, we're done playing, move to next option
selected = (selected + 1) % OPTS;
playing = !playing;
LEDsoff();
LED(selected + 1, 0);
}
else {
while (BUTTON_PRESS())
WDT_HIT();
}
}
}
}