//-----------------------------------------------------------------------------
// Low frequency commands
//-----------------------------------------------------------------------------
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-#include "proxmark3.h"
-#include "data.h"
-#include "graph.h"
-#include "ui.h"
-#include "cmdparser.h"
-#include "cmdmain.h"
-#include "cmddata.h"
-#include "util.h"
#include "cmdlf.h"
-#include "cmdlfhid.h"
-#include "cmdlfti.h"
-#include "cmdlfem4x.h"
-#include "cmdlfhitag.h"
-#include "cmdlft55xx.h"
-#include "cmdlfpcf7931.h"
-#include "cmdlfio.h"
-#include "lfdemod.h"
+
+bool g_lf_threshold_set = FALSE;
static int CmdHelp(const char *Cmd);
-/* send a command before reading */
-int CmdLFCommandRead(const char *Cmd)
-{
- static char dummy[3];
+int usage_lf_cmdread(void) {
+ PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H]");
+ PrintAndLog("Options:");
+ PrintAndLog(" h This help");
+ PrintAndLog(" L Low frequency (125 KHz)");
+ PrintAndLog(" H High frequency (134 KHz)");
+ PrintAndLog(" d <delay> delay OFF period, (decimal)");
+ PrintAndLog(" z <zero> time period ZERO, (decimal)");
+ PrintAndLog(" o <one> time period ONE, (decimal)");
+ PrintAndLog(" c <cmd> Command bytes (in ones and zeros)");
+ PrintAndLog(" ************* All periods in microseconds (ms)");
+ PrintAndLog("Examples:");
+ PrintAndLog(" lf cmdread d 80 z 100 o 200 c 11000");
+ PrintAndLog(" lf cmdread d 80 z 100 o 100 c 11000 H");
+ return 0;
+}
+int usage_lf_read(void){
+ PrintAndLog("Usage: lf read [h] [s]");
+ PrintAndLog("Options:");
+ PrintAndLog(" h This help");
+ PrintAndLog(" s silent run no printout");
+ PrintAndLog("Use 'lf config' to set parameters.");
+ return 0;
+}
+int usage_lf_snoop(void) {
+ PrintAndLog("Snoop low frequence signal. Use 'lf config' to set parameters.");
+ PrintAndLog("Usage: lf snoop [h]");
+ PrintAndLog("Options:");
+ PrintAndLog(" h This help");
+ return 0;
+}
+int usage_lf_config(void) {
+ PrintAndLog("Usage: lf config [h] [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
+ PrintAndLog("Options:");
+ PrintAndLog(" h This help");
+ PrintAndLog(" L Low frequency (125 KHz)");
+ PrintAndLog(" H High frequency (134 KHz)");
+ PrintAndLog(" q <divisor> Manually set divisor. 88-> 134KHz, 95-> 125 Hz");
+ PrintAndLog(" b <bps> Sets resolution of bits per sample. Default (max): 8");
+ PrintAndLog(" d <decim> Sets decimation. A value of N saves only 1 in N samples. Default: 1");
+ PrintAndLog(" a [0|1] Averaging - if set, will average the stored sample value when decimating. Default: 1");
+ PrintAndLog(" t <threshold> Sets trigger threshold. 0 means no threshold (range: 0-128)");
+ PrintAndLog("Examples:");
+ PrintAndLog(" lf config b 8 L");
+ PrintAndLog(" Samples at 125KHz, 8bps.");
+ PrintAndLog(" lf config H b 4 d 3");
+ PrintAndLog(" Samples at 134KHz, averages three samples into one, stored with ");
+ PrintAndLog(" a resolution of 4 bits per sample.");
+ PrintAndLog(" lf read");
+ PrintAndLog(" Performs a read (active field)");
+ PrintAndLog(" lf snoop");
+ PrintAndLog(" Performs a snoop (no active field)");
+ return 0;
+}
+int usage_lf_simfsk(void) {
+ PrintAndLog("Usage: lf simfsk [c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>]");
+ PrintAndLog("Options:");
+ PrintAndLog(" h This help");
+ PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
+ PrintAndLog(" i invert data");
+ PrintAndLog(" H <fcHigh> Manually set the larger Field Clock");
+ PrintAndLog(" L <fcLow> Manually set the smaller Field Clock");
+ //PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap");
+ PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
+ PrintAndLog("\n NOTE: if you set one clock manually set them all manually");
+ return 0;
+}
+int usage_lf_simask(void) {
+ PrintAndLog("Usage: lf simask [c <clock>] [i] [b|m|r] [s] [d <raw hex to sim>]");
+ PrintAndLog("Options:");
+ PrintAndLog(" h This help");
+ PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
+ PrintAndLog(" i invert data");
+ PrintAndLog(" b sim ask/biphase");
+ PrintAndLog(" m sim ask/manchester - Default");
+ PrintAndLog(" r sim ask/raw");
+ PrintAndLog(" s add t55xx Sequence Terminator gap - default: no gaps (only manchester)");
+ PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
+ return 0;
+}
+int usage_lf_simpsk(void) {
+ PrintAndLog("Usage: lf simpsk [1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>]");
+ PrintAndLog("Options:");
+ PrintAndLog(" h This help");
+ PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
+ PrintAndLog(" i invert data");
+ PrintAndLog(" 1 set PSK1 (default)");
+ PrintAndLog(" 2 set PSK2");
+ PrintAndLog(" 3 set PSK3");
+ PrintAndLog(" r <carrier> 2|4|8 are valid carriers: default = 2");
+ PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
+ return 0;
+}
+int usage_lf_find(void){
+ PrintAndLog("Usage: lf search [h] <0|1> [u]");
+ PrintAndLog("");
+ PrintAndLog("Options:");
+ PrintAndLog(" h This help");
+ PrintAndLog(" <0|1> Use data from Graphbuffer, if not set, try reading data from tag.");
+ PrintAndLog(" u Search for Unknown tags, if not set, reads only known tags.");
+ PrintAndLog("Examples:");
+ PrintAndLog(" lf search = try reading data from tag & search for known tags");
+ PrintAndLog(" lf search 1 = use data from GraphBuffer & search for known tags");
+ PrintAndLog(" lf search u = try reading data from tag & search for known and unknown tags");
+ PrintAndLog(" lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
+ return 0;
+}
+
+
+/* send a LF command before reading */
+int CmdLFCommandRead(const char *Cmd) {
+
+ bool errors = FALSE;
+ bool useHighFreq = FALSE;
+ uint16_t one = 0, zero = 0;
+ uint8_t cmdp = 0;
+ UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K, {0,0,0}};
+
+ while(param_getchar(Cmd, cmdp) != 0x00) {
+ switch(param_getchar(Cmd, cmdp)) {
+ case 'h':
+ return usage_lf_cmdread();
+ case 'H':
+ useHighFreq = TRUE;
+ cmdp++;
+ break;
+ case 'L':
+ cmdp++;
+ break;
+ case 'c':
+ param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes);
+ cmdp+=2;
+ break;
+ case 'd':
+ c.arg[0] = param_get32ex(Cmd, cmdp+1, 0, 10);
+ cmdp+=2;
+ break;
+ case 'z':
+ zero = param_get32ex(Cmd, cmdp+1, 0, 10) & 0xFFFF;
+ cmdp+=2;
+ break;
+ case 'o':
+ one = param_get32ex(Cmd, cmdp+1, 0, 10) & 0xFFFF;
+ cmdp+=2;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = 1;
+ break;
+ }
+ if(errors) break;
+ }
+ // No args
+ if (cmdp == 0) errors = TRUE;
- dummy[0]= ' ';
+ //Validations
+ if (errors) return usage_lf_cmdread();
+
+ // zero and one lengths
+ c.arg[1] = (uint32_t)(zero << 16 | one);
+
+ // add frequency 125 or 134
+ c.arg[2] = useHighFreq;
- UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
- sscanf(Cmd, "%"lli" %"lli" %"lli" %s %s", &c.arg[0], &c.arg[1], &c.arg[2],(char*)(&c.d.asBytes),(char*)(&dummy+1));
- // in case they specified 'h'
- strcpy((char *)&c.d.asBytes + strlen((char *)c.d.asBytes), dummy);
+ clearCommandBuffer();
SendCommand(&c);
return 0;
}
int CmdFlexdemod(const char *Cmd)
{
- int i;
- for (i = 0; i < GraphTraceLen; ++i) {
- if (GraphBuffer[i] < 0) {
- GraphBuffer[i] = -1;
- } else {
- GraphBuffer[i] = 1;
- }
- }
+#define LONG_WAIT 100
+ int i, j, start, bit, sum;
+ int phase = 0;
+
+ for (i = 0; i < GraphTraceLen; ++i)
+ GraphBuffer[i] = (GraphBuffer[i] < 0) ? -1 : 1;
-#define LONG_WAIT 100
- int start;
for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
int first = GraphBuffer[start];
for (i = start; i < start + LONG_WAIT; i++) {
break;
}
}
- if (i == (start + LONG_WAIT)) {
+ if (i == (start + LONG_WAIT))
break;
- }
}
+
if (start == GraphTraceLen - LONG_WAIT) {
PrintAndLog("nothing to wait for");
return 0;
GraphBuffer[start+1] = -2;
uint8_t bits[64] = {0x00};
- int bit, sum;
i = start;
for (bit = 0; bit < 64; bit++) {
sum = 0;
for (int j = 0; j < 16; j++) {
sum += GraphBuffer[i++];
}
-
bits[bit] = (sum > 0) ? 1 : 0;
-
PrintAndLog("bit %d sum %d", bit, sum);
}
for (bit = 0; bit < 64; bit++) {
- int j;
- int sum = 0;
- for (j = 0; j < 16; j++) {
+ sum = 0;
+ for (j = 0; j < 16; j++)
sum += GraphBuffer[i++];
- }
- if (sum > 0 && bits[bit] != 1) {
- PrintAndLog("oops1 at %d", bit);
- }
- if (sum < 0 && bits[bit] != 0) {
- PrintAndLog("oops2 at %d", bit);
- }
+
+ if (sum > 0 && bits[bit] != 1) PrintAndLog("oops1 at %d", bit);
+
+ if (sum < 0 && bits[bit] != 0) PrintAndLog("oops2 at %d", bit);
+
}
// HACK writing back to graphbuffer.
GraphTraceLen = 32*64;
i = 0;
- int phase = 0;
for (bit = 0; bit < 64; bit++) {
-
+
phase = (bits[bit] == 0) ? 0 : 1;
- int j;
for (j = 0; j < 32; j++) {
GraphBuffer[i++] = phase;
phase = !phase;
}
}
-
RepaintGraphWindow();
return 0;
}
-
+
int CmdIndalaDemod(const char *Cmd)
{
+ // PSK1, Bitrate 32,
+
// Usage: recover 64bit UID by default, specify "224" as arg to recover a 224bit UID
-
int state = -1;
int count = 0;
int i, j;
// worst case with GraphTraceLen=64000 is < 4096
// under normal conditions it's < 2048
-
uint8_t rawbits[4096];
- int rawbit = 0;
- int worst = 0, worstPos = 0;
- // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
+
+ int rawbit = 0, worst = 0, worstPos = 0;
+ // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
+
+ // loop through raw signal - since we know it is psk1 rf/32 fc/2 skip every other value (+=2)
for (i = 0; i < GraphTraceLen-1; i += 2) {
count += 1;
if ((GraphBuffer[i] > GraphBuffer[i + 1]) && (state != 1)) {
+ // appears redundant - marshmellow
if (state == 0) {
for (j = 0; j < count - 8; j += 16) {
rawbits[rawbit++] = 0;
state = 1;
count = 0;
} else if ((GraphBuffer[i] < GraphBuffer[i + 1]) && (state != 0)) {
+ //appears redundant
if (state == 1) {
for (j = 0; j < count - 8; j += 16) {
rawbits[rawbit++] = 1;
count = 0;
}
}
-
- if (rawbit>0){
+ if ( rawbit<1 ) return 0;
+
+ if (g_debugMode) {
PrintAndLog("Recovered %d raw bits, expected: %d", rawbit, GraphTraceLen/32);
PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos);
- } else {
- return 0;
}
// Finding the start of a UID
break;
}
}
-
+
if (start == rawbit - uidlen + 1) {
- PrintAndLog("nothing to wait for");
+ if (g_debugMode) PrintAndLog("nothing to wait for");
return 0;
}
// Inverting signal if needed
if (first == 1) {
- for (i = start; i < rawbit; i++) {
+ for (i = start; i < rawbit; i++)
rawbits[i] = !rawbits[i];
- }
}
// Dumping UID
}
times = 1;
}
-
+
//convert UID to HEX
uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
int idx;
if (uidlen==64){
for( idx=0; idx<64; idx++) {
- if (showbits[idx] == '0') {
- uid1=(uid1<<1)|(uid2>>31);
- uid2=(uid2<<1)|0;
- } else {
- uid1=(uid1<<1)|(uid2>>31);
- uid2=(uid2<<1)|1;
- }
- }
+ if (showbits[idx] == '0') {
+ uid1 = (uid1<<1) | (uid2>>31);
+ uid2 = (uid2<<1) | 0;
+ } else {
+ uid1 = (uid1<<1) | (uid2>>31);
+ uid2 = (uid2<<1) | 1;
+ }
+ }
PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2);
- }
- else {
+ } else {
uid3 = uid4 = uid5 = uid6 = uid7 = 0;
for( idx=0; idx<224; idx++) {
- uid1=(uid1<<1)|(uid2>>31);
- uid2=(uid2<<1)|(uid3>>31);
- uid3=(uid3<<1)|(uid4>>31);
- uid4=(uid4<<1)|(uid5>>31);
- uid5=(uid5<<1)|(uid6>>31);
- uid6=(uid6<<1)|(uid7>>31);
-
+ uid1 = (uid1<<1) | (uid2>>31);
+ uid2 = (uid2<<1) | (uid3>>31);
+ uid3 = (uid3<<1) | (uid4>>31);
+ uid4 = (uid4<<1) | (uid5>>31);
+ uid5 = (uid5<<1) | (uid6>>31);
+ uid6 = (uid6<<1) | (uid7>>31);
+
if (showbits[idx] == '0')
uid7 = (uid7<<1) | 0;
else
uid7 = (uid7<<1) | 1;
- }
+ }
PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
}
// Checking UID against next occurrences
- int failed = 0;
+ int failed = 0;
for (; i + uidlen <= rawbit;) {
failed = 0;
for (bit = 0; bit < uidlen; bit++) {
times += 1;
}
- PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);
+ if (g_debugMode) PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);
// Remodulating for tag cloning
// HACK: 2015-01-04 this will have an impact on our new way of seening lf commands (demod)
// since this changes graphbuffer data.
- GraphTraceLen = 32*uidlen;
+ GraphTraceLen = 32 * uidlen;
i = 0;
int phase = 0;
for (bit = 0; bit < uidlen; bit++) {
- if (bits[bit] == 0) {
- phase = 0;
- } else {
- phase = 1;
- }
+ phase = (bits[bit] == 0) ? 0 : 1;
int j;
for (j = 0; j < 32; j++) {
GraphBuffer[i++] = phase;
return 1;
}
-int CmdIndalaClone(const char *Cmd)
-{
+int CmdIndalaClone(const char *Cmd){
UsbCommand c;
unsigned int uid1, uid2, uid3, uid4, uid5, uid6, uid7;
c.arg[1] = uid2;
}
+ clearCommandBuffer();
SendCommand(&c);
return 0;
}
-int usage_lf_read()
-{
- PrintAndLog("Usage: lf read");
- PrintAndLog("Options: ");
- PrintAndLog(" h This help");
- PrintAndLog(" s silent run no printout");
- PrintAndLog("This function takes no arguments. ");
- PrintAndLog("Use 'lf config' to set parameters.");
- return 0;
-}
-int usage_lf_snoop()
-{
- PrintAndLog("Usage: lf snoop");
- PrintAndLog("Options: ");
- PrintAndLog(" h This help");
- PrintAndLog("This function takes no arguments. ");
- PrintAndLog("Use 'lf config' to set parameters.");
- return 0;
-}
-
-int usage_lf_config()
-{
- PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
- PrintAndLog("Options: ");
- PrintAndLog(" h This help");
- PrintAndLog(" L Low frequency (125 KHz)");
- PrintAndLog(" H High frequency (134 KHz)");
- PrintAndLog(" q <divisor> Manually set divisor. 88-> 134KHz, 95-> 125 Hz");
- PrintAndLog(" b <bps> Sets resolution of bits per sample. Default (max): 8");
- PrintAndLog(" d <decim> Sets decimation. A value of N saves only 1 in N samples. Default: 1");
- PrintAndLog(" a [0|1] Averaging - if set, will average the stored sample value when decimating. Default: 1");
- PrintAndLog(" t <threshold> Sets trigger threshold. 0 means no threshold");
- PrintAndLog("Examples:");
- PrintAndLog(" lf config b 8 L");
- PrintAndLog(" Samples at 125KHz, 8bps.");
- PrintAndLog(" lf config H b 4 d 3");
- PrintAndLog(" Samples at 134KHz, averages three samples into one, stored with ");
- PrintAndLog(" a resolution of 4 bits per sample.");
- PrintAndLog(" lf read");
- PrintAndLog(" Performs a read (active field)");
- PrintAndLog(" lf snoop");
- PrintAndLog(" Performs a snoop (no active field)");
- return 0;
-}
-
-int CmdLFSetConfig(const char *Cmd)
-{
-
+int CmdLFSetConfig(const char *Cmd) {
uint8_t divisor = 0;//Frequency divisor
uint8_t bps = 0; // Bits per sample
uint8_t decimation = 0; //How many to keep
bool averaging = 1; // Defaults to true
bool errors = FALSE;
- int trigger_threshold =-1;//Means no change
+ int trigger_threshold = -1;//Means no change
uint8_t unsigned_trigg = 0;
- uint8_t cmdp =0;
- while(param_getchar(Cmd, cmdp) != 0x00)
- {
- switch(param_getchar(Cmd, cmdp))
- {
+ uint8_t cmdp = 0;
+ while(param_getchar(Cmd, cmdp) != 0x00) {
+ switch(param_getchar(Cmd, cmdp)) {
case 'h':
return usage_lf_config();
case 'H':
cmdp++;
break;
case 'q':
- errors |= param_getdec(Cmd,cmdp+1,&divisor);
+ errors |= param_getdec(Cmd, cmdp+1, &divisor);
cmdp+=2;
break;
case 't':
- errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
+ errors |= param_getdec(Cmd, cmdp+1, &unsigned_trigg);
cmdp+=2;
- if(!errors) trigger_threshold = unsigned_trigg;
+ if(!errors) {
+ trigger_threshold = unsigned_trigg;
+ g_lf_threshold_set = (trigger_threshold > 0);
+ }
break;
case 'b':
- errors |= param_getdec(Cmd,cmdp+1,&bps);
+ errors |= param_getdec(Cmd, cmdp+1, &bps);
cmdp+=2;
break;
case 'd':
- errors |= param_getdec(Cmd,cmdp+1,&decimation);
+ errors |= param_getdec(Cmd, cmdp+1, &decimation);
cmdp+=2;
break;
case 'a':
- averaging = param_getchar(Cmd,cmdp+1) == '1';
+ averaging = param_getchar(Cmd, cmdp+1) == '1';
cmdp+=2;
break;
default:
}
if(errors) break;
}
- if(cmdp == 0)
- {
- errors = 1;// No args
- }
+
+ // No args
+ if (cmdp == 0) errors = 1;
//Validations
- if(errors)
- {
- return usage_lf_config();
- }
- //Bps is limited to 8, so fits in lower half of arg1
- if(bps >> 8) bps = 8;
+ if (errors) return usage_lf_config();
+
+ //Bps is limited to 8
+ if (bps >> 4) bps = 8;
- sample_config config = {
- decimation,bps,averaging,divisor,trigger_threshold
- };
- //Averaging is a flag on high-bit of arg[1]
- UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG};
- memcpy(c.d.asBytes,&config,sizeof(sample_config));
+ sample_config config = { decimation, bps, averaging, divisor, trigger_threshold };
+
+ UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG, {0,0,0} };
+ memcpy(c.d.asBytes, &config, sizeof(sample_config));
+ clearCommandBuffer();
SendCommand(&c);
return 0;
}
-int CmdLFRead(const char *Cmd)
-{
-
+int CmdLFRead(const char *Cmd) {
+
+ if (offline) return 0;
+
+ bool errors = FALSE;
+ bool arg1 = FALSE;
uint8_t cmdp = 0;
- bool arg1 = false;
- if (param_getchar(Cmd, cmdp) == 'h')
- {
- return usage_lf_read();
+ while(param_getchar(Cmd, cmdp) != 0x00) {
+ switch(param_getchar(Cmd, cmdp)) {
+ case 'h':
+ case 'H':
+ return usage_lf_read();
+ case 's':
+ case 'S':
+ arg1 = TRUE;
+ cmdp++;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = TRUE;
+ break;
+ }
+ if(errors) break;
}
- if (param_getchar(Cmd, cmdp) == 's') arg1 = true; //suppress print
- //And ship it to device
+
+ //Validations
+ if (errors) return usage_lf_read();
+
UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
+ clearCommandBuffer();
SendCommand(&c);
- WaitForResponse(CMD_ACK,NULL);
+ if ( g_lf_threshold_set ) {
+ WaitForResponse(CMD_ACK,NULL);
+ } else {
+ if ( !WaitForResponseTimeout(CMD_ACK, NULL ,2500) ) {
+ PrintAndLog("command execution time out");
+ return 1;
+ }
+ }
return 0;
}
-int CmdLFSnoop(const char *Cmd)
-{
- uint8_t cmdp =0;
- if(param_getchar(Cmd, cmdp) == 'h')
- {
- return usage_lf_snoop();
- }
-
- UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
+int CmdLFSnoop(const char *Cmd) {
+ uint8_t cmdp = param_getchar(Cmd, 0);
+ if(cmdp == 'h' || cmdp == 'H') return usage_lf_snoop();
+
+ UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES,{0,0,0}};
+ clearCommandBuffer();
SendCommand(&c);
WaitForResponse(CMD_ACK,NULL);
+ getSamples("", false);
return 0;
}
-static void ChkBitstream(const char *str)
-{
- int i;
-
- /* convert to bitstream if necessary */
- for (i = 0; i < (int)(GraphTraceLen / 2); i++){
+static void ChkBitstream(const char *str) {
+ // convert to bitstream if necessary
+ for (int i = 0; i < (int)(GraphTraceLen / 2); i++){
if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {
CmdGetBitStream("");
break;
}
}
}
-//appears to attempt to simulate manchester
-int CmdLFSim(const char *Cmd)
-{
+//Attempt to simulate any wave in buffer (one bit per output sample)
+// converts GraphBuffer to bitstream (based on zero crossings) if needed.
+int CmdLFSim(const char *Cmd) {
int i,j;
static int gap;
sscanf(Cmd, "%i", &gap);
- /* convert to bitstream if necessary */
-
+ // convert to bitstream if necessary
ChkBitstream(Cmd);
- //can send 512 bits at a time (1 byte sent per bit...)
- printf("Sending [%d bytes]", GraphTraceLen);
+ if (g_debugMode)
+ printf("DEBUG: Sending [%d bytes]\n", GraphTraceLen);
+
+ //can send only 512 bits at a time (1 byte sent per bit...)
for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
- UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
+ UsbCommand c = {CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
- for (j = 0; j < USB_CMD_DATA_SIZE; j++) {
+ for (j = 0; j < USB_CMD_DATA_SIZE; j++)
c.d.asBytes[j] = GraphBuffer[i+j];
- }
+
+ clearCommandBuffer();
SendCommand(&c);
- WaitForResponse(CMD_ACK,NULL);
+ WaitForResponse(CMD_ACK, NULL);
printf(".");
}
- printf("\n");
- PrintAndLog("Starting to simulate");
+ PrintAndLog("Simulating");
+
UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
+ clearCommandBuffer();
SendCommand(&c);
return 0;
}
-int usage_lf_simfsk(void)
-{
- //print help
- PrintAndLog("Usage: lf simfsk [c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>]");
- PrintAndLog("Options: ");
- PrintAndLog(" h This help");
- PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
- PrintAndLog(" i invert data");
- PrintAndLog(" H <fcHigh> Manually set the larger Field Clock");
- PrintAndLog(" L <fcLow> Manually set the smaller Field Clock");
- //PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap");
- PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
- PrintAndLog("\n NOTE: if you set one clock manually set them all manually");
- return 0;
-}
-
-int usage_lf_simask(void)
+// by marshmellow - sim fsk data given clock, fcHigh, fcLow, invert
+// - allow pull data from DemodBuffer
+int CmdLFfskSim(const char *Cmd)
{
- //print help
- PrintAndLog("Usage: lf simask [c <clock>] [i] [b|m|r] [s] [d <raw hex to sim>]");
- PrintAndLog("Options: ");
- PrintAndLog(" h This help");
- PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
- PrintAndLog(" i invert data");
- PrintAndLog(" b sim ask/biphase");
- PrintAndLog(" m sim ask/manchester - Default");
- PrintAndLog(" r sim ask/raw");
- PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap");
- PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
- return 0;
-}
-
-int usage_lf_simpsk(void)
-{
- //print help
- PrintAndLog("Usage: lf simpsk [1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>]");
- PrintAndLog("Options: ");
- PrintAndLog(" h This help");
- PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
- PrintAndLog(" i invert data");
- PrintAndLog(" 1 set PSK1 (default)");
- PrintAndLog(" 2 set PSK2");
- PrintAndLog(" 3 set PSK3");
- PrintAndLog(" r <carrier> 2|4|8 are valid carriers: default = 2");
- PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
- return 0;
-}
-
-// by marshmellow - sim ask data given clock, fcHigh, fcLow, invert
-// - allow pull data from DemodBuffer
-int CmdLFfskSim(const char *Cmd)
-{
- //might be able to autodetect FC and clock from Graphbuffer if using demod buffer
- //will need FChigh, FClow, Clock, and bitstream
- uint8_t fcHigh=0, fcLow=0, clk=0;
- uint8_t invert=0;
+ //might be able to autodetect FCs and clock from Graphbuffer if using demod buffer
+ // otherwise will need FChigh, FClow, Clock, and bitstream
+ uint8_t fcHigh = 0, fcLow = 0, clk = 0;
+ uint8_t invert = 0;
bool errors = FALSE;
char hexData[32] = {0x00}; // store entered hex data
uint8_t data[255] = {0x00};
int dataLen = 0;
uint8_t cmdp = 0;
- while(param_getchar(Cmd, cmdp) != 0x00)
- {
- switch(param_getchar(Cmd, cmdp))
- {
- case 'h':
- return usage_lf_simfsk();
- case 'i':
- invert = 1;
- cmdp++;
- break;
- case 'c':
- errors |= param_getdec(Cmd,cmdp+1,&clk);
- cmdp+=2;
- break;
- case 'H':
- errors |= param_getdec(Cmd,cmdp+1,&fcHigh);
- cmdp+=2;
- break;
- case 'L':
- errors |= param_getdec(Cmd,cmdp+1,&fcLow);
- cmdp+=2;
- break;
- //case 's':
- // separator=1;
- // cmdp++;
- // break;
- case 'd':
- dataLen = param_getstr(Cmd, cmdp+1, hexData);
- if (dataLen==0) {
- errors=TRUE;
- } else {
- dataLen = hextobinarray((char *)data, hexData);
- }
- if (dataLen==0) errors=TRUE;
- if (errors) PrintAndLog ("Error getting hex data");
- cmdp+=2;
- break;
- default:
- PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
- errors = TRUE;
- break;
+
+ while(param_getchar(Cmd, cmdp) != 0x00) {
+ switch(param_getchar(Cmd, cmdp)){
+ case 'h':
+ return usage_lf_simfsk();
+ case 'i':
+ invert = 1;
+ cmdp++;
+ break;
+ case 'c':
+ errors |= param_getdec(Cmd, cmdp+1, &clk);
+ cmdp += 2;
+ break;
+ case 'H':
+ errors |= param_getdec(Cmd, cmdp+1, &fcHigh);
+ cmdp += 2;
+ break;
+ case 'L':
+ errors |= param_getdec(Cmd, cmdp+1, &fcLow);
+ cmdp += 2;
+ break;
+ //case 's':
+ // separator = 1;
+ // cmdp++;
+ // break;
+ case 'd':
+ dataLen = param_getstr(Cmd, cmdp+1, hexData);
+ if (dataLen == 0)
+ errors = TRUE;
+ else
+ dataLen = hextobinarray((char *)data, hexData);
+
+ if (dataLen == 0) errors = TRUE;
+ if (errors) PrintAndLog ("Error getting hex data");
+ cmdp+=2;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = TRUE;
+ break;
}
if(errors) break;
}
+
+ // No args
if(cmdp == 0 && DemodBufferLen == 0)
- {
- errors = TRUE;// No args
- }
+ errors = TRUE;
//Validations
- if(errors)
- {
- return usage_lf_simfsk();
- }
+ if(errors) return usage_lf_simfsk();
if (dataLen == 0){ //using DemodBuffer
- if (clk==0 || fcHigh==0 || fcLow==0){ //manual settings must set them all
+ if (clk == 0 || fcHigh == 0 || fcLow == 0){ //manual settings must set them all
uint8_t ans = fskClocks(&fcHigh, &fcLow, &clk, 0);
if (ans==0){
- if (!fcHigh) fcHigh=10;
- if (!fcLow) fcLow=8;
- if (!clk) clk=50;
+ if (!fcHigh) fcHigh = 10;
+ if (!fcLow) fcLow = 8;
+ if (!clk) clk = 50;
}
}
} else {
setDemodBuf(data, dataLen, 0);
}
+
+ //default if not found
if (clk == 0) clk = 50;
if (fcHigh == 0) fcHigh = 10;
if (fcLow == 0) fcLow = 8;
UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
memcpy(c.d.asBytes, DemodBuffer, size);
+ clearCommandBuffer();
SendCommand(&c);
return 0;
}
// - allow pull data from DemodBuffer
int CmdLFaskSim(const char *Cmd)
{
- //autodetect clock from Graphbuffer if using demod buffer
- //will need clock, invert, manchester/raw as m or r, separator as s, and bitstream
- uint8_t encoding = 1, separator = 0;
- //char cmdp = Cmd[0], par3='m', par4=0;
- uint8_t clk=0, invert=0;
+ // autodetect clock from Graphbuffer if using demod buffer
+ // needs clock, invert, manchester/raw as m or r, separator as s, and bitstream
+ uint8_t encoding = 1, separator = 0, clk = 0, invert = 0;
bool errors = FALSE;
char hexData[32] = {0x00};
uint8_t data[255]= {0x00}; // store entered hex data
int dataLen = 0;
uint8_t cmdp = 0;
- while(param_getchar(Cmd, cmdp) != 0x00)
- {
- switch(param_getchar(Cmd, cmdp))
- {
- case 'h':
- return usage_lf_simask();
- case 'i':
- invert = 1;
- cmdp++;
- break;
- case 'c':
- errors |= param_getdec(Cmd,cmdp+1,&clk);
- cmdp+=2;
- break;
- case 'b':
- encoding=2; //biphase
- cmdp++;
- break;
- case 'm':
- encoding=1;
- cmdp++;
- break;
- case 'r':
- encoding=0;
- cmdp++;
- break;
- case 's':
- separator=1;
- cmdp++;
- break;
- case 'd':
- dataLen = param_getstr(Cmd, cmdp+1, hexData);
- if (dataLen==0) {
- errors=TRUE;
- } else {
- dataLen = hextobinarray((char *)data, hexData);
- }
- if (dataLen==0) errors=TRUE;
- if (errors) PrintAndLog ("Error getting hex data, datalen: %d",dataLen);
- cmdp+=2;
- break;
- default:
- PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
- errors = TRUE;
- break;
+
+ while(param_getchar(Cmd, cmdp) != 0x00) {
+ switch(param_getchar(Cmd, cmdp)) {
+ case 'H':
+ case 'h': return usage_lf_simask();
+ case 'i':
+ invert = 1;
+ cmdp++;
+ break;
+ case 'c':
+ errors |= param_getdec(Cmd, cmdp+1, &clk);
+ cmdp += 2;
+ break;
+ case 'b':
+ encoding = 2; //biphase
+ cmdp++;
+ break;
+ case 'm':
+ encoding = 1; //manchester
+ cmdp++;
+ break;
+ case 'r':
+ encoding = 0; //raw
+ cmdp++;
+ break;
+ case 's':
+ separator = 1;
+ cmdp++;
+ break;
+ case 'd':
+ dataLen = param_getstr(Cmd, cmdp+1, hexData);
+ if (dataLen == 0)
+ errors = TRUE;
+ else
+ dataLen = hextobinarray((char *)data, hexData);
+
+ if (dataLen == 0) errors = TRUE;
+ if (errors) PrintAndLog ("Error getting hex data, datalen: %d", dataLen);
+ cmdp += 2;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = TRUE;
+ break;
}
if(errors) break;
}
+
+ // No args
if(cmdp == 0 && DemodBufferLen == 0)
- {
- errors = TRUE;// No args
- }
+ errors = TRUE;
//Validations
- if(errors)
- {
- return usage_lf_simask();
- }
+ if(errors) return usage_lf_simask();
+
if (dataLen == 0){ //using DemodBuffer
- if (clk == 0) clk = GetAskClock("0", false, false);
+ if (clk == 0)
+ clk = GetAskClock("0", false, false);
} else {
setDemodBuf(data, dataLen, 0);
}
if (clk == 0) clk = 64;
- if (encoding == 0) clk = clk/2; //askraw needs to double the clock speed
- uint16_t arg1, arg2;
- size_t size=DemodBufferLen;
- arg1 = clk << 8 | encoding;
- arg2 = invert << 8 | separator;
+ if (encoding == 0) clk >>= 2; //askraw needs to double the clock speed
+
+ size_t size = DemodBufferLen;
+
if (size > USB_CMD_DATA_SIZE) {
PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
size = USB_CMD_DATA_SIZE;
}
+
+ PrintAndLog("preparing to sim ask data: %d bits", size);
+
+ uint16_t arg1, arg2;
+ arg1 = clk << 8 | encoding;
+ arg2 = invert << 8 | separator;
+
UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
- PrintAndLog("preparing to sim ask data: %d bits", size);
memcpy(c.d.asBytes, DemodBuffer, size);
+ clearCommandBuffer();
SendCommand(&c);
return 0;
}
// by marshmellow - sim psk data given carrier, clock, invert
// - allow pull data from DemodBuffer or parameters
-int CmdLFpskSim(const char *Cmd)
-{
+int CmdLFpskSim(const char *Cmd) {
//might be able to autodetect FC and clock from Graphbuffer if using demod buffer
//will need carrier, Clock, and bitstream
uint8_t carrier=0, clk=0;
int dataLen = 0;
uint8_t cmdp = 0;
uint8_t pskType = 1;
- while(param_getchar(Cmd, cmdp) != 0x00)
- {
- switch(param_getchar(Cmd, cmdp))
- {
- case 'h':
- return usage_lf_simpsk();
- case 'i':
- invert = 1;
- cmdp++;
- break;
- case 'c':
- errors |= param_getdec(Cmd,cmdp+1,&clk);
- cmdp+=2;
- break;
- case 'r':
- errors |= param_getdec(Cmd,cmdp+1,&carrier);
- cmdp+=2;
- break;
- case '1':
- pskType=1;
- cmdp++;
- break;
- case '2':
- pskType=2;
- cmdp++;
- break;
- case '3':
- pskType=3;
- cmdp++;
- break;
- case 'd':
- dataLen = param_getstr(Cmd, cmdp+1, hexData);
- if (dataLen==0) {
- errors=TRUE;
- } else {
- dataLen = hextobinarray((char *)data, hexData);
- }
- if (dataLen==0) errors=TRUE;
- if (errors) PrintAndLog ("Error getting hex data");
- cmdp+=2;
- break;
- default:
- PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
- errors = TRUE;
- break;
- }
+
+ while(param_getchar(Cmd, cmdp) != 0x00) {
+ switch(param_getchar(Cmd, cmdp)) {
+ case 'h':
+ return usage_lf_simpsk();
+ case 'i':
+ invert = 1;
+ cmdp++;
+ break;
+ case 'c':
+ errors |= param_getdec(Cmd,cmdp+1,&clk);
+ cmdp +=2;
+ break;
+ case 'r':
+ errors |= param_getdec(Cmd,cmdp+1,&carrier);
+ cmdp += 2;
+ break;
+ case '1':
+ pskType = 1;
+ cmdp++;
+ break;
+ case '2':
+ pskType = 2;
+ cmdp++;
+ break;
+ case '3':
+ pskType = 3;
+ cmdp++;
+ break;
+ case 'd':
+ dataLen = param_getstr(Cmd, cmdp+1, hexData);
+ if (dataLen == 0)
+ errors = TRUE;
+ else
+ dataLen = hextobinarray((char *)data, hexData);
+
+ if (dataLen == 0) errors = TRUE;
+ if (errors) PrintAndLog ("Error getting hex data");
+ cmdp+=2;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = TRUE;
+ break;
+ }
if (errors) break;
}
+ // No args
if (cmdp == 0 && DemodBufferLen == 0)
- {
- errors = TRUE;// No args
- }
+ errors = TRUE;
//Validations
- if (errors)
- {
- return usage_lf_simpsk();
- }
+ if (errors) return usage_lf_simpsk();
+
if (dataLen == 0){ //using DemodBuffer
PrintAndLog("Getting Clocks");
+
if (clk==0) clk = GetPskClock("", FALSE, FALSE);
PrintAndLog("clk: %d",clk);
+
if (!carrier) carrier = GetPskCarrier("", FALSE, FALSE);
PrintAndLog("carrier: %d", carrier);
+
} else {
setDemodBuf(data, dataLen, 0);
}
if (clk <= 0) clk = 32;
+
if (carrier == 0) carrier = 2;
+
if (pskType != 1){
if (pskType == 2){
//need to convert psk2 to psk1 data before sim
uint16_t arg1, arg2;
arg1 = clk << 8 | carrier;
arg2 = invert;
- size_t size=DemodBufferLen;
+ size_t size = DemodBufferLen;
if (size > USB_CMD_DATA_SIZE) {
PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
- size=USB_CMD_DATA_SIZE;
+ size = USB_CMD_DATA_SIZE;
}
UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}};
PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size);
memcpy(c.d.asBytes, DemodBuffer, size);
+ clearCommandBuffer();
SendCommand(&c);
-
return 0;
}
-int CmdLFSimBidir(const char *Cmd)
-{
+int CmdLFSimBidir(const char *Cmd) {
// Set ADC to twice the carrier for a slight supersampling
// HACK: not implemented in ARMSRC.
PrintAndLog("Not implemented yet.");
return 0;
}
-/* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
-/*
-int CmdLFSimManchester(const char *Cmd)
-{
- static int clock, gap;
- static char data[1024], gapstring[8];
-
- sscanf(Cmd, "%i %s %i", &clock, &data[0], &gap);
-
- ClearGraph(0);
-
- for (int i = 0; i < strlen(data) ; ++i)
- AppendGraph(0, clock, data[i]- '0');
-
- CmdManchesterMod("");
-
- RepaintGraphWindow();
-
- sprintf(&gapstring[0], "%i", gap);
- CmdLFSim(gapstring);
- return 0;
-}
-*/
-
-int CmdVchDemod(const char *Cmd)
-{
+int CmdVchDemod(const char *Cmd) {
// Is this the entire sync pattern, or does this also include some
// data bits that happen to be the same everywhere? That would be
// lovely to know.
// So first, we correlate for the sync pattern, and mark that.
int bestCorrel = 0, bestPos = 0;
- int i;
- // It does us no good to find the sync pattern, with fewer than
- // 2048 samples after it...
- for (i = 0; i < (GraphTraceLen-2048); i++) {
- int sum = 0;
- int j;
- for (j = 0; j < arraylen(SyncPattern); j++) {
- sum += GraphBuffer[i+j]*SyncPattern[j];
+ int i, j, sum = 0;
+
+ // It does us no good to find the sync pattern, with fewer than 2048 samples after it.
+
+ for (i = 0; i < (GraphTraceLen - 2048); i++) {
+ for (j = 0; j < ARRAYLEN(SyncPattern); j++) {
+ sum += GraphBuffer[i+j] * SyncPattern[j];
}
if (sum > bestCorrel) {
bestCorrel = sum;
char bits[257];
bits[256] = '\0';
- int worst = INT_MAX;
- int worstPos = 0;
+ int worst = INT_MAX, worstPos = 0;
for (i = 0; i < 2048; i += 8) {
- int sum = 0;
- int j;
- for (j = 0; j < 8; j++) {
+ sum = 0;
+ for (j = 0; j < 8; j++)
sum += GraphBuffer[bestPos+i+j];
- }
- if (sum < 0) {
+
+ if (sum < 0)
bits[i/8] = '.';
- } else {
+ else
bits[i/8] = '1';
- }
+
if(abs(sum) < worst) {
worst = abs(sum);
worstPos = i;
PrintAndLog("%s", bits);
PrintAndLog("worst metric: %d at pos %d", worst, worstPos);
+ // clone
if (strcmp(Cmd, "clone")==0) {
GraphTraceLen = 0;
char *s;
- for(s = bits; *s; s++) {
- int j;
- for(j = 0; j < 16; j++) {
- GraphBuffer[GraphTraceLen++] = (*s == '1') ? 1 : 0;
+ for(s = bits; *s; s++) {
+ for(j = 0; j < 16; j++) {
+ GraphBuffer[GraphTraceLen++] = (*s == '1') ? 1 : 0;
+ }
}
- }
RepaintGraphWindow();
}
return 0;
}
+
//by marshmellow
-int CmdLFfind(const char *Cmd)
-{
- int ans=0;
- char cmdp = param_getchar(Cmd, 0);
- char testRaw = param_getchar(Cmd, 1);
- if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
- PrintAndLog("Usage: lf search <0|1> [u]");
- PrintAndLog(" <use data from Graphbuffer> , if not set, try reading data from tag.");
- PrintAndLog(" [Search for Unknown tags] , if not set, reads only known tags.");
- PrintAndLog("");
- PrintAndLog(" sample: lf search = try reading data from tag & search for known tags");
- PrintAndLog(" : lf search 1 = use data from GraphBuffer & search for known tags");
- PrintAndLog(" : lf search u = try reading data from tag & search for known and unknown tags");
- PrintAndLog(" : lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
+int CheckChipset(bool getDeviceData) {
- return 0;
+ if (!getDeviceData) return 0;
+
+ uint32_t word = 0;
+ save_restoreGB(1);
+
+ //check for em4x05/em4x69 chips first
+ if (EM4x05IsBlock0(&word)) {
+ save_restoreGB(0);
+ PrintAndLog("\nValid EM4x05/EM4x69 Chipset found\nTry `lf em 4x05` commands\n");
+ return 1;
}
- if (!offline && (cmdp != '1')){
- ans=CmdLFRead("");
- ans=CmdSamples("20000");
- } else if (GraphTraceLen < 1000) {
+ //TODO check for t55xx chip...
+ // if ( t55xxIsBlock0(() {
+ // save_restoreGB(0);
+ // PrintAndLog("\nValid T55xx Chipset found\nTry `lf t55xx` commands\n");
+ // return 1;
+ // }
+
+ save_restoreGB(0);
+ return 0;
+}
+
+//by marshmellow
+int CmdLFfind(const char *Cmd) {
+ int ans = 0;
+ size_t minLength = 1000;
+ char cmdp = param_getchar(Cmd, 0);
+ char testRaw = param_getchar(Cmd, 1);
+ if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') return usage_lf_find();
+
+ bool getDeviceData = (!offline && (cmdp != '1') );
+
+ if (getDeviceData) {
+ CmdLFRead("s");
+ getSamples("30000", false);
+ } else if (GraphTraceLen < minLength) {
PrintAndLog("Data in Graphbuffer was too small.");
return 0;
}
PrintAndLog("False Positives ARE possible\n");
PrintAndLog("\nChecking for known tags:\n");
+ size_t testLen = minLength;
+
+ // only run these tests if device is online
+ if (getDeviceData) {
+
+ // only run if graphbuffer is just noise as it should be for hitag/cotag
+ if (graphJustNoise(GraphBuffer, testLen)) {
+
+ if (CheckChipset(getDeviceData) )
+ return 1;
+
+ ans=CmdLFHitagReader("26");
+ if (ans==0)
+ return 1;
+
+ ans=CmdCOTAGRead("");
+ if (ans>0){
+ PrintAndLog("\nValid COTAG ID Found!");
+ return 1;
+ }
+ PrintAndLog("Signal looks just like noise. Quitting.");
+ return 0;
+ }
+ }
+
+ // identify chipset
+ CheckChipset(getDeviceData);
+
ans=CmdFSKdemodIO("");
if (ans>0) {
PrintAndLog("\nValid IO Prox ID Found!");
return 1;
}
-
ans=CmdFSKdemodPyramid("");
if (ans>0) {
PrintAndLog("\nValid Pyramid ID Found!");
return 1;
}
-
ans=CmdFSKdemodParadox("");
if (ans>0) {
PrintAndLog("\nValid Paradox ID Found!");
return 1;
}
-
ans=CmdFSKdemodAWID("");
if (ans>0) {
PrintAndLog("\nValid AWID ID Found!");
return 1;
}
-
ans=CmdFSKdemodHID("");
if (ans>0) {
PrintAndLog("\nValid HID Prox ID Found!");
return 1;
}
-
- //add psk and indala
- ans=CmdIndalaDecode("");
- if (ans>0) {
- PrintAndLog("\nValid Indala ID Found!");
- return 1;
- }
-
ans=CmdAskEM410xDemod("");
if (ans>0) {
PrintAndLog("\nValid EM410x ID Found!");
return 1;
}
-
ans=CmdG_Prox_II_Demod("");
if (ans>0) {
- PrintAndLog("\nValid G Prox II ID Found!");
+ PrintAndLog("\nValid Guardall G-Prox II ID Found!");
+ return 1;
+ }
+ ans=CmdFDXBdemodBI("");
+ if (ans>0) {
+ PrintAndLog("\nValid FDX-B ID Found!");
return 1;
}
-
ans=EM4x50Read("", false);
if (ans>0) {
PrintAndLog("\nValid EM4x50 ID Found!");
return 1;
}
+ ans=CmdVikingDemod("");
+ if (ans>0) {
+ PrintAndLog("\nValid Viking ID Found!");
+ return 1;
+ }
+ ans=CmdIndalaDecode("");
+ if (ans>0) {
+ PrintAndLog("\nValid Indala ID Found!");
+ return 1;
+ }
+ ans=CmdPSKNexWatch("");
+ if (ans>0) {
+ PrintAndLog("\nValid NexWatch ID Found!");
+ return 1;
+ }
+ ans=CmdPSKIdteck("");
+ if (ans>0) {
+ PrintAndLog("\nValid Idteck ID Found!");
+ return 1;
+ }
+ ans=CmdJablotronDemod("");
+ if (ans>0) {
+ PrintAndLog("\nValid Jablotron ID Found!");
+ return 1;
+ }
+ ans=CmdLFNedapDemod("");
+ if (ans>0) {
+ PrintAndLog("\nValid NEDAP ID Found!");
+ return 1;
+ }
+ ans=CmdVisa2kDemod("");
+ if (ans>0) {
+ PrintAndLog("\nValid Visa2000 ID Found!");
+ return 1;
+ }
+ ans=CmdNoralsyDemod("");
+ if (ans>0) {
+ PrintAndLog("\nValid Noralsy ID Found!");
+ return 1;
+ }
+ ans=CmdPrescoDemod("");
+ if (ans>0) {
+ PrintAndLog("\nValid Presco ID Found!");
+ return 1;
+ }
+
+ // TIdemod?
PrintAndLog("\nNo Known Tags Found!\n");
if (testRaw=='u' || testRaw=='U'){
//test unknown tag formats (raw mode)
PrintAndLog("\nChecking for Unknown tags:\n");
ans=AutoCorrelate(4000, FALSE, FALSE);
- if (ans > 0) PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
- ans=GetFskClock("",FALSE,FALSE); //CmdDetectClockRate("F"); //
+
+ if (ans > 0) {
+
+ PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
+
+ if ( ans % 8 == 0) {
+ int bytes = (ans / 8);
+ PrintAndLog("Possible %d bytes", bytes);
+ int blocks = 0;
+ if ( bytes % 2 == 0) {
+ blocks = (bytes / 2);
+ PrintAndLog("Possible 2 blocks, width %d", blocks);
+ }
+ if ( bytes % 4 == 0) {
+ blocks = (bytes / 4);
+ PrintAndLog("Possible 4 blocks, width %d", blocks);
+ }
+ if ( bytes % 8 == 0) {
+ blocks = (bytes / 8);
+ PrintAndLog("Possible 8 blocks, width %d", blocks);
+ }
+ if ( bytes % 16 == 0) {
+ blocks = (bytes / 16);
+ PrintAndLog("Possible 16 blocks, width %d", blocks);
+ }
+ }
+ }
+
+ ans=GetFskClock("",FALSE,FALSE);
if (ans != 0){ //fsk
- ans=FSKrawDemod("",FALSE);
+ ans=FSKrawDemod("",TRUE);
if (ans>0) {
PrintAndLog("\nUnknown FSK Modulated Tag Found!");
- printDemodBuff();
return 1;
}
}
- ans=ASKmanDemod("",FALSE,FALSE);
+ bool st = TRUE;
+ ans=ASKDemod_ext("0 0 0",TRUE,FALSE,1,&st);
if (ans>0) {
- PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
- PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'");
- printDemodBuff();
- return 1;
+ PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
+ PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'");
+ return 1;
}
+
ans=CmdPSK1rawDemod("");
if (ans>0) {
PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data rawdemod p2'");
PrintAndLog("\nCould also be PSK3 - [currently not supported]");
PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod");
- printDemodBuff();
return 1;
}
PrintAndLog("\nNo Data Found!\n");
return 0;
}
-static command_t CommandTable[] =
-{
+static command_t CommandTable[] = {
{"help", CmdHelp, 1, "This help"},
- {"cmdread", CmdLFCommandRead, 0, "<off period> <'0' period> <'1' period> <command> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"},
- {"em4x", CmdLFEM4X, 1, "{ EM4X RFIDs... }"},
+ {"animal", CmdLFFdx, 1, "{ Animal RFIDs... }"},
+ {"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"},
+ {"cotag", CmdLFCOTAG, 1, "{ COTAG RFIDs... }"},
+ {"em", CmdLFEM4X, 1, "{ EM4X RFIDs... }"},
+ {"guard", CmdLFGuard, 1, "{ Guardall RFIDs... }"},
+ {"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
+ {"hitag", CmdLFHitag, 1, "{ HITAG RFIDs... }"},
+// {"indala", CmdLFIndala, 1, "{ Indala RFIDs... }"},
+ {"io", CmdLFIO, 1, "{ IOPROX RFIDs... }"},
+ {"jablotron", CmdLFJablotron, 1, "{ Jablotron RFIDs... }"},
+ {"nedap", CmdLFNedap, 1, "{ Nedap RFIDs... }"},
+ {"noralsy", CmdLFNoralsy, 1, "{ Noralsy RFIDs... }"},
+ {"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 RFIDs... }"},
+ {"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"},
+ {"pyramid", CmdLFPyramid, 1, "{ Farpointe/Pyramid RFIDs... }"},
+ {"ti", CmdLFTI, 1, "{ TI RFIDs... }"},
+ {"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"},
+ {"viking", CmdLFViking, 1, "{ Viking RFIDs... }"},
+ {"visa2000", CmdLFVisa2k, 1, "{ Visa2000 RFIDs... }"},
{"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"},
+ {"cmdread", CmdLFCommandRead, 0, "<off period> <'0' period> <'1' period> <command> ['h' 134] \n\t\t-- Modulate LF reader field to send command before read (all periods in microseconds)"},
{"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"},
- {"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
- {"io", CmdLFIO, 1, "{ ioProx tags... }"},
{"indalademod", CmdIndalaDemod, 1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
{"indalaclone", CmdIndalaClone, 0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
{"read", CmdLFRead, 0, "['s' silent] Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
- {"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"},
+ {"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) \n\t\t-- 'u' to search for unknown tags"},
{"sim", CmdLFSim, 0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
- {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [msg separator 's'] [d <hexdata>] -- Simulate LF ASK tag from demodbuffer or input"},
- {"simfsk", CmdLFfskSim, 0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] -- Simulate LF FSK tag from demodbuffer or input"},
- {"simpsk", CmdLFpskSim, 0, "[1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>] -- Simulate LF PSK tag from demodbuffer or input"},
+ {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [biphase/manchester/raw <'b'|'m'|'r'>] [msg separator 's'] [d <hexdata>] \n\t\t-- Simulate LF ASK tag from demodbuffer or input"},
+ {"simfsk", CmdLFfskSim, 0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] \n\t\t-- Simulate LF FSK tag from demodbuffer or input"},
+ {"simpsk", CmdLFpskSim, 0, "[1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>] \n\t\t-- Simulate LF PSK tag from demodbuffer or input"},
{"simbidir", CmdLFSimBidir, 0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
- //{"simman", CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
- {"snoop", CmdLFSnoop, 0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},
- {"ti", CmdLFTI, 1, "{ TI RFIDs... }"},
- {"hitag", CmdLFHitag, 1, "{ Hitag tags and transponders... }"},
+ {"snoop", CmdLFSnoop, 0, "Snoop LF"},
{"vchdemod", CmdVchDemod, 1, "['clone'] -- Demodulate samples for VeriChip"},
- {"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"},
- {"pcf7931", CmdLFPCF7931, 1, "{PCF7931 RFIDs...}"},
{NULL, NULL, 0, NULL}
};
-int CmdLF(const char *Cmd)
-{
+int CmdLF(const char *Cmd) {
+ clearCommandBuffer();
CmdsParse(CommandTable, Cmd);
return 0;
}
-int CmdHelp(const char *Cmd)
-{
+int CmdHelp(const char *Cmd) {
CmdsHelp(CommandTable);
return 0;
}
projects / proxmark3-svn / blobdiff