X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6306ff4bacd74eff46d44f4b62240277ecb4c670..refs/pull/208/head:/client/cmdlf.c?ds=sidebyside

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 54f396fd..2000f6d0 100644
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -13,36 +13,104 @@
 #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"
+#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
 
 static int CmdHelp(const char *Cmd);
 
+
+
+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");
+	PrintAndLog("       z <zero>      time period ZERO");
+	PrintAndLog("       o <one>       time period ONE");
+	PrintAndLog("       c <cmd>       Command bytes");
+	PrintAndLog("       ************* All periods in microseconds");
+	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;
+}
+
 /* send a command before reading */
 int CmdLFCommandRead(const char *Cmd)
 {
-	static char dummy[3];
-
-	dummy[0]= ' ';
-
+	static char dummy[3] = {0x20,0x00,0x00};
 	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'
+	bool errors = FALSE;
+	//uint8_t divisor = 95; //125khz
+	uint8_t cmdp = 0;
+	while(param_getchar(Cmd, cmdp) != 0x00)
+	{
+		switch(param_getchar(Cmd, cmdp))
+		{
+		case 'h':
+			return usage_lf_cmdread();
+		case 'H':
+			//divisor = 88;
+			dummy[1]='h';
+			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':
+			c.arg[1] = param_get32ex(Cmd, cmdp+1, 0, 10);
+			cmdp+=2;
+			break;
+		case 'o':
+			c.arg[2] = param_get32ex(Cmd, cmdp+1, 0, 10);
+			cmdp+=2;
+			break;
+		default:
+			PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+			errors = 1;
+			break;
+		}
+		if(errors) break;
+	}
+	// No args
+	if(cmdp == 0) errors = 1;
+
+	//Validations
+	if(errors) return usage_lf_cmdread();
+	
+	// in case they specified 'H'
 	strcpy((char *)&c.d.asBytes + strlen((char *)c.d.asBytes), dummy);
+
+	clearCommandBuffer();
 	SendCommand(&c);
 	return 0;
 }
@@ -58,7 +126,7 @@ int CmdFlexdemod(const char *Cmd)
 		}
 	}
 
-#define LONG_WAIT 100
+ #define LONG_WAIT 100
 	int start;
 	for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
 		int first = GraphBuffer[start];
@@ -140,10 +208,13 @@ int CmdIndalaDemod(const char *Cmd)
 	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;
@@ -156,6 +227,7 @@ int CmdIndalaDemod(const char *Cmd)
 			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;
@@ -353,11 +425,12 @@ int CmdIndalaClone(const char *Cmd)
 		c.arg[1] = uid2;
 	}
 
+	clearCommandBuffer();
 	SendCommand(&c);
 	return 0;
 }
 
-int usage_lf_read()
+int usage_lf_read(void)
 {
 	PrintAndLog("Usage: lf read");
 	PrintAndLog("Options:        ");
@@ -367,7 +440,7 @@ int usage_lf_read()
 	PrintAndLog("Use 'lf config' to set parameters.");
 	return 0;
 }
-int usage_lf_snoop()
+int usage_lf_snoop(void)
 {
 	PrintAndLog("Usage: lf snoop");
 	PrintAndLog("Options:        ");
@@ -377,7 +450,7 @@ int usage_lf_snoop()
 	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:        ");
@@ -388,7 +461,7 @@ int usage_lf_config()
 	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("       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.");
@@ -467,7 +540,7 @@ int CmdLFSetConfig(const char *Cmd)
 		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
@@ -475,6 +548,7 @@ int CmdLFSetConfig(const char *Cmd)
 	//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;
 }
@@ -491,8 +565,14 @@ int CmdLFRead(const char *Cmd)
 	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);
+	//WaitForResponse(CMD_ACK,NULL);	
+	if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
+		PrintAndLog("command execution time out");
+		return 1;
+	}
+
 	return 0;
 }
 
@@ -505,6 +585,7 @@ int CmdLFSnoop(const char *Cmd)
 	}
 
 	UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
+	clearCommandBuffer();
 	SendCommand(&c);
 	WaitForResponse(CMD_ACK,NULL);
 	return 0;
@@ -522,7 +603,8 @@ static void ChkBitstream(const char *str)
 		}
 	}
 }
-//appears to attempt to simulate manchester
+//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;
@@ -530,11 +612,11 @@ int CmdLFSim(const char *Cmd)
 
 	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...)
+	//can send only 512 bits at a time (1 byte sent per bit...)
 	printf("Sending [%d bytes]", GraphTraceLen);
 	for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
 		UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
@@ -550,6 +632,7 @@ int CmdLFSim(const char *Cmd)
 	printf("\n");
 	PrintAndLog("Starting to simulate");
 	UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
+	clearCommandBuffer();
 	SendCommand(&c);
 	return 0;
 }
@@ -581,7 +664,7 @@ int usage_lf_simask(void)
 	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;
 }
@@ -602,12 +685,12 @@ int usage_lf_simpsk(void)
 	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)
 {
-	//might be able to autodetect FC and clock from Graphbuffer if using demod buffer
-	//will need FChigh, FClow, Clock, and bitstream
+	//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;
@@ -682,6 +765,8 @@ int CmdLFfskSim(const char *Cmd)
 	} else {
 		setDemodBuf(data, dataLen, 0);
 	}
+
+	//default if not found
 	if (clk == 0) clk = 50;
 	if (fcHigh == 0) fcHigh = 10;
 	if (fcLow == 0) fcLow = 8;
@@ -697,6 +782,7 @@ 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;
 }
@@ -706,9 +792,8 @@ int CmdLFfskSim(const char *Cmd)
 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
+	// needs 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;
 	bool errors = FALSE;
 	char hexData[32] = {0x00}; 
@@ -791,6 +876,7 @@ int CmdLFaskSim(const char *Cmd)
 	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;
 }
@@ -898,6 +984,7 @@ int CmdLFpskSim(const char *Cmd)
 	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;
@@ -913,30 +1000,6 @@ int CmdLFSimBidir(const char *Cmd)
 	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)
 {
 	// Is this the entire sync pattern, or does this also include some
@@ -1033,8 +1096,8 @@ int CmdLFfind(const char *Cmd)
 	}
 
 	if (!offline && (cmdp != '1')){
-		ans=CmdLFRead("");
-		ans=CmdSamples("20000");
+		CmdLFRead("s");
+		getSamples("30000",false);
 	} else if (GraphTraceLen < 1000) {
 		PrintAndLog("Data in Graphbuffer was too small.");
 		return 0;
@@ -1075,13 +1138,6 @@ int CmdLFfind(const char *Cmd)
 		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!");
@@ -1094,26 +1150,62 @@ int CmdLFfind(const char *Cmd)
 		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;
+	}
+
+	if (!offline && (cmdp != '1')){
+		ans=CmdLFHitagReader("26");
+		if (ans==0) {
+			return 1;
+		}
+	}
+
 	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"); //
+		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;
 		}
 		ans=CmdPSK1rawDemod("");
@@ -1121,7 +1213,6 @@ int CmdLFfind(const char *Cmd)
 			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");
@@ -1132,28 +1223,31 @@ int CmdLFfind(const char *Cmd)
 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... }"},
+	{"awid",        CmdLFAWID,          1, "{ AWID RFIDs...    }"},
+	{"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs...    }"},
+	{"hid",         CmdLFHID,           1, "{ HID RFIDs...     }"},
+	{"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders... }"},
+	{"io",          CmdLFIO,            1, "{ ioProx tags...   }"},
+	{"presco",      CmdLFPresco,        1, "{ Presco RFIDs... }"},
+	{"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 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"},
-	{"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"},
 	{"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"},
+	{"simask",      CmdLFaskSim,        0, "[clock] [invert <1|0>] [biphase/manchester/raw <'b'|'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"},
 	{"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... }"},
 	{"vchdemod",    CmdVchDemod,        1, "['clone'] -- Demodulate samples for VeriChip"},
-	{"t55xx",       CmdLFT55XX,         1, "{ T55xx RFIDs... }"},
-	{"pcf7931",     CmdLFPCF7931,       1, "{PCF7931 RFIDs...}"},
 	{NULL, NULL, 0, NULL}
 };