X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/415274a7c3253b71b582c2f563bb54080c2790be..refs/pull/208/head:/client/cmdlf.c?ds=inline

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 616d932a..2000f6d0 100644
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -13,29 +13,32 @@
 #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
 
 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:        ");
@@ -61,7 +64,6 @@ int CmdLFCommandRead(const char *Cmd)
 	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))
@@ -77,7 +79,7 @@ int CmdLFCommandRead(const char *Cmd)
 			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':
@@ -124,7 +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];
@@ -206,10 +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;
@@ -222,6 +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;
@@ -419,11 +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:        ");
@@ -433,7 +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:        ");
@@ -443,7 +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:        ");
@@ -533,7 +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
@@ -541,6 +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;
 }
@@ -557,6 +565,7 @@ 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);	
 	if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
@@ -576,6 +585,7 @@ int CmdLFSnoop(const char *Cmd)
 	}
 
 	UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
+	clearCommandBuffer();
 	SendCommand(&c);
 	WaitForResponse(CMD_ACK,NULL);
 	return 0;
@@ -622,6 +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;
 }
@@ -653,7 +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;
 }
@@ -674,7 +685,7 @@ 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)
 {
@@ -771,6 +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;
 }
@@ -864,6 +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;
 }
@@ -971,6 +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;
@@ -1124,13 +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!");
@@ -1161,12 +1168,25 @@ int CmdLFfind(const char *Cmd)
 		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)
@@ -1181,7 +1201,8 @@ int CmdLFfind(const char *Cmd)
 				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'");
@@ -1202,14 +1223,17 @@ int CmdLFfind(const char *Cmd)
 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...    }"},
+	{"em4x",        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"},