#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 "cmdlfawid.h"
-#include "cmdlfti.h"
-#include "cmdlfem4x.h"
-#include "cmdlfhitag.h"
-#include "cmdlft55xx.h"
-#include "cmdlfpcf7931.h"
-#include "cmdlfio.h"
-#include "lfdemod.h"
-
+#include "lfdemod.h" // for psk2TOpsk1
+#include "util.h" // for parsing cli command utils
+#include "ui.h" // for show graph controls
+#include "graph.h" // for graph data
+#include "cmdparser.h" // for getting cli commands included in cmdmain.h
+#include "cmdmain.h" // for sending cmds to device
+#include "data.h" // for GetFromBigBuf
+#include "cmddata.h" // for `lf search`
+#include "cmdlfawid.h" // for awid menu
+#include "cmdlfem4x.h" // for em4x menu
+#include "cmdlfhid.h" // for hid menu
+#include "cmdlfhitag.h" // for hitag menu
+#include "cmdlfio.h" // for ioprox menu
+#include "cmdlft55xx.h" // for t55xx menu
+#include "cmdlfti.h" // for ti menu
+#include "cmdlfpresco.h" // for presco menu
+#include "cmdlfpcf7931.h"// for pcf7931 menu
+#include "cmdlfpyramid.h"// for pyramid menu
+#include "cmdlfviking.h" // for viking menu
+#include "cmdlfcotag.h" // for COTAG menu
+
+bool g_lf_threshold_set = false;
static int CmdHelp(const char *Cmd);
-int usage_lf_cmdread()
+int usage_lf_cmdread(void)
{
PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H] ");
PrintAndLog("Options: ");
bool errors = FALSE;
//uint8_t divisor = 95; //125khz
uint8_t cmdp = 0;
- int strLength = 0;
while(param_getchar(Cmd, cmdp) != 0x00)
{
switch(param_getchar(Cmd, cmdp))
cmdp++;
break;
case 'c':
- strLength = param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes);
+ param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes);
cmdp+=2;
break;
case 'd':
}
}
-#define LONG_WAIT 100
+ #define LONG_WAIT 100
int start;
for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
int first = GraphBuffer[start];
uint8_t rawbits[4096];
int rawbit = 0;
int worst = 0, worstPos = 0;
- // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
+ // 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;
c.arg[1] = uid2;
}
+ clearCommandBuffer();
SendCommand(&c);
return 0;
}
-int usage_lf_read()
+int usage_lf_read(void)
{
PrintAndLog("Usage: lf read");
PrintAndLog("Options: ");
PrintAndLog("Use 'lf config' to set parameters.");
return 0;
}
-int usage_lf_snoop()
+int usage_lf_snoop(void)
{
PrintAndLog("Usage: lf snoop");
PrintAndLog("Options: ");
return 0;
}
-int usage_lf_config()
+int usage_lf_config(void)
{
PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
PrintAndLog("Options: ");
case 't':
errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
cmdp+=2;
- if(!errors) trigger_threshold = unsigned_trigg;
+ if(!errors) {
+ trigger_threshold = unsigned_trigg;
+ if (trigger_threshold > 0) g_lf_threshold_set = true;
+ }
break;
case 'b':
errors |= param_getdec(Cmd,cmdp+1,&bps);
return usage_lf_config();
}
//Bps is limited to 8, so fits in lower half of arg1
- if(bps >> 8) bps = 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));
+ clearCommandBuffer();
SendCommand(&c);
return 0;
}
int CmdLFRead(const char *Cmd)
{
-
+ if (offline) return 0;
uint8_t cmdp = 0;
bool arg1 = false;
if (param_getchar(Cmd, cmdp) == 'h')
if (param_getchar(Cmd, cmdp) == 's') arg1 = true; //suppress print
//And ship it to device
UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
+ clearCommandBuffer();
SendCommand(&c);
- //WaitForResponse(CMD_ACK,NULL);
- if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
- PrintAndLog("command execution time out");
- return 1;
+ 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;
}
}
UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
+ clearCommandBuffer();
SendCommand(&c);
WaitForResponse(CMD_ACK,NULL);
return 0;
printf("\n");
PrintAndLog("Starting to simulate");
UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
+ clearCommandBuffer();
SendCommand(&c);
return 0;
}
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(" 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;
}
return 0;
}
-// by marshmellow - sim ask data given clock, fcHigh, fcLow, invert
+// by marshmellow - sim fsk data given clock, fcHigh, fcLow, invert
// - allow pull data from DemodBuffer
int CmdLFfskSim(const char *Cmd)
{
UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
memcpy(c.d.asBytes, DemodBuffer, size);
+ clearCommandBuffer();
SendCommand(&c);
return 0;
}
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;
}
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;
return 0;
}
+
+//by marshmellow
+int CheckChipType(char cmdp) {
+ uint32_t wordData = 0;
+
+ //check for em4x05/em4x69 chips first
+ save_restoreGB(1);
+ if ((!offline && (cmdp != '1')) && EM4x05Block0Test(&wordData)) {
+ PrintAndLog("\nValid EM4x05/EM4x69 Chip Found\nTry lf em 4x05... commands\n");
+ save_restoreGB(0);
+ return 1;
+ }
+
+ //TODO check for t55xx chip...
+
+ save_restoreGB(0);
+ return 1;
+}
+
//by marshmellow
int CmdLFfind(const char *Cmd)
{
+ uint32_t wordData = 0;
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') {
if (!offline && (cmdp != '1')){
CmdLFRead("s");
getSamples("30000",false);
- } else if (GraphTraceLen < 1000) {
+ } 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 if graphbuffer is just noise as it should be for hitag/cotag
+ if (graphJustNoise(GraphBuffer, testLen)) {
+ // only run these tests if we are in online mode
+ if (!offline && (cmdp != '1')) {
+ // test for em4x05 in reader talk first mode.
+ if (EM4x05Block0Test(&wordData)) {
+ PrintAndLog("\nValid EM4x05/EM4x69 Chip Found\nUse lf em 4x05readword/dump commands to read\n");
+ return 1;
+ }
+ ans=CmdLFHitagReader("26");
+ if (ans==0) {
+ return 1;
+ }
+ ans=CmdCOTAGRead("");
+ if (ans>0){
+ PrintAndLog("\nValid COTAG ID Found!");
+ return 1;
+ }
+ }
+ return 0;
+ }
+
ans=CmdFSKdemodIO("");
if (ans>0) {
PrintAndLog("\nValid IO Prox ID Found!");
- return 1;
+ return CheckChipType(cmdp);
}
ans=CmdFSKdemodPyramid("");
if (ans>0) {
PrintAndLog("\nValid Pyramid ID Found!");
- return 1;
+ return CheckChipType(cmdp);
}
ans=CmdFSKdemodParadox("");
if (ans>0) {
PrintAndLog("\nValid Paradox ID Found!");
- return 1;
+ return CheckChipType(cmdp);
}
ans=CmdFSKdemodAWID("");
if (ans>0) {
PrintAndLog("\nValid AWID ID Found!");
- return 1;
+ return CheckChipType(cmdp);
}
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;
+ return CheckChipType(cmdp);
}
ans=CmdAskEM410xDemod("");
if (ans>0) {
PrintAndLog("\nValid EM410x ID Found!");
- return 1;
+ return CheckChipType(cmdp);
}
ans=CmdG_Prox_II_Demod("");
if (ans>0) {
PrintAndLog("\nValid G Prox II ID Found!");
- return 1;
+ return CheckChipType(cmdp);
}
ans=CmdFDXBdemodBI("");
if (ans>0) {
PrintAndLog("\nValid FDX-B ID Found!");
- return 1;
+ return CheckChipType(cmdp);
}
ans=EM4x50Read("", false);
ans=CmdVikingDemod("");
if (ans>0) {
PrintAndLog("\nValid Viking ID Found!");
- return 1;
+ return CheckChipType(cmdp);
}
+ ans=CmdIndalaDecode("");
+ if (ans>0) {
+ PrintAndLog("\nValid Indala ID Found!");
+ return CheckChipType(cmdp);
+ }
+
ans=CmdPSKNexWatch("");
if (ans>0) {
PrintAndLog("\nValid NexWatch ID Found!");
- return 1;
+ return CheckChipType(cmdp);
}
PrintAndLog("\nNo Known Tags Found!\n");
if (testRaw=='u' || testRaw=='U'){
- //test unknown tag formats (raw mode)
+ ans=CheckChipType(cmdp);
+ //test unknown tag formats (raw mode)0
PrintAndLog("\nChecking for Unknown tags:\n");
ans=AutoCorrelate(4000, FALSE, FALSE);
if (ans > 0) PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
return 1;
}
}
- ans=ASKDemod("0 0 0",TRUE,FALSE,1);
+ 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'");
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
- {"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"},
- {"em4x", CmdLFEM4X, 1, "{ EM4X RFIDs... }"},
- {"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
+ {"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"},
+ {"cotag", CmdLFCOTAG, 1, "{ COTAG RFIDs... }"},
+ {"em", CmdLFEM4X, 1, "{ EM4X RFIDs... }"},
+ {"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
{"hitag", CmdLFHitag, 1, "{ Hitag tags and transponders... }"},
- {"io", CmdLFIO, 1, "{ ioProx tags... }"},
+ {"io", CmdLFIO, 1, "{ ioProx tags... }"},
+ {"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"},
{"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 RFIDs... }"},
- {"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"},
- {"ti", CmdLFTI, 1, "{ TI RFIDs... }"},
+ {"pyramid", CmdLFPyramid, 1, "{ Farpointe/Pyramid RFIDs... }"},
+ {"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"},
+ {"ti", CmdLFTI, 1, "{ TI RFIDs... }"},
+ {"viking", CmdLFViking, 1, "{ Viking tags... }"},
{"cmdread", CmdLFCommandRead, 0, "<d period> <z period> <o period> <c command> ['H'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'H' for 134)"},
{"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"},
{"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"},
projects / proxmark3-svn / blobdiff