X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/24aa0a57333c3467d141195b4e77167839bacadb..refs/pull/910/head:/client/cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 49c9ea39..61040f04 100644
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -8,21 +8,21 @@
 // Low frequency commands
 //-----------------------------------------------------------------------------
 
+#include "cmdlf.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
 #include <stdbool.h>
 #include <stdint.h>
-#include "proxmark3.h"
-#include "cmdlf.h"
+#include "comms.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
@@ -45,6 +45,7 @@
 #include "cmdlfjablotron.h" //for jablotron menu
 #include "cmdlfnoralsy.h"// for noralsy menu
 #include "cmdlfsecurakey.h"//for securakey menu
+#include "cmdlfpac.h"    // for pac menu
 
 bool g_lf_threshold_set = false;
 static int CmdHelp(const char *Cmd);
@@ -53,26 +54,24 @@ 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("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> ");
 	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("       d <delay>     delay OFF period between bits (0 for bitbang mode)");
+	PrintAndLog("       z <zero>      time period ZERO (antenna off in bitbang mode)");
+	PrintAndLog("       o <one>       time period ONE (antenna on in bitbang mode)");
 	PrintAndLog("       c <cmd>       Command bytes");
 	PrintAndLog("       ************* All periods in microseconds");
+	PrintAndLog("       ************* Use lf config to configure options.");
 	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");
+	PrintAndLog("      lf cmdread d 80 z 100 o 100 c 11000");
 	return 0;
 }
 
 /* send a command before reading */
 int CmdLFCommandRead(const char *Cmd)
 {
-	static char dummy[3] = {0x20,0x00,0x00};
 	UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
 	bool errors = false;
 	//uint8_t divisor = 95; //125khz
@@ -83,16 +82,8 @@ int CmdLFCommandRead(const char *Cmd)
 		{
 		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);
+			param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes, sizeof(c.d.asBytes));
 			cmdp+=2;
 			break;
 		case 'd':
@@ -120,11 +111,13 @@ int CmdLFCommandRead(const char *Cmd)
 	//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);
+
+	WaitForResponse(CMD_ACK,NULL);
+	getSamples(0, true);
+
+
 	return 0;
 }
 
@@ -231,24 +224,25 @@ int usage_lf_config(void)
 {
 	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 (range: 0-128)");
+	PrintAndLog("       h               This help");
+	PrintAndLog("       L               Low frequency (125 KHz)");
+	PrintAndLog("       H               High frequency (134 KHz)");
+	PrintAndLog("       q <divisor>     Manually set divisor. 88-> 134 KHz, 95-> 125 KHz");
+	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("       s <smplstoskip> Sets a number of samples to skip before capture. Default: 0");
 	PrintAndLog("Examples:");
 	PrintAndLog("      lf config b 8 L");
-	PrintAndLog("                    Samples at 125KHz, 8bps.");
+	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("                       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("                       Performs a read (active field)");
 	PrintAndLog("      lf snoop");
-	PrintAndLog("                    Performs a snoop (no active field)");
+	PrintAndLog("                       Performs a snoop (no active field)");
 	return 0;
 }
 
@@ -262,6 +256,7 @@ int CmdLFSetConfig(const char *Cmd)
 	bool errors = false;
 	int trigger_threshold =-1;//Means no change
 	uint8_t unsigned_trigg = 0;
+	int samples_to_skip = -1;
 
 	uint8_t cmdp =0;
 	while(param_getchar(Cmd, cmdp) != 0x00)
@@ -302,6 +297,10 @@ int CmdLFSetConfig(const char *Cmd)
 			averaging = param_getchar(Cmd,cmdp+1) == '1';
 			cmdp+=2;
 			break;
+		case 's':
+			samples_to_skip = param_get32ex(Cmd,cmdp+1,0,10);
+			cmdp+=2;
+			break;
 		default:
 			PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 			errors = 1;
@@ -323,7 +322,7 @@ int CmdLFSetConfig(const char *Cmd)
 	if(bps >> 4) bps = 8;
 
 	sample_config config = {
-		decimation,bps,averaging,divisor,trigger_threshold
+		decimation,bps,averaging,divisor,trigger_threshold,samples_to_skip
 	};
 	//Averaging is a flag on high-bit of arg[1]
 	UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG};
@@ -334,7 +333,7 @@ int CmdLFSetConfig(const char *Cmd)
 }
 
 bool lf_read(bool silent, uint32_t samples) {
-	if (offline) return false;
+	if (IsOffline()) return false;
 	UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {silent,samples,0}};
 	clearCommandBuffer();
 	//And ship it to device
@@ -349,7 +348,8 @@ bool lf_read(bool silent, uint32_t samples) {
 			return false;
 		}
 	}
-	getSamples(resp.arg[0], silent);
+	// resp.arg[0] is bits read not bytes read.
+	getSamples(resp.arg[0]/8, silent);
 
 	return true;
 }
@@ -408,14 +408,13 @@ int CmdLFSim(const char *Cmd)
 
 	sscanf(Cmd, "%i", &gap);
 
-	// convert to bitstream if necessary 
-
+	// convert to bitstream if necessary
 	ChkBitstream(Cmd);
 
 	//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}};
+		UsbCommand c = {CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
 
 		for (j = 0; j < USB_CMD_DATA_SIZE; j++) {
 			c.d.asBytes[j] = GraphBuffer[i+j];
@@ -490,7 +489,7 @@ int CmdLFfskSim(const char *Cmd)
 	uint8_t fcHigh=0, fcLow=0, clk=0;
 	uint8_t invert=0;
 	bool errors = false;
-	char hexData[32] = {0x00}; // store entered hex data
+	char hexData[64] = {0x00}; // store entered hex data
 	uint8_t data[255] = {0x00}; 
 	int dataLen = 0;
 	uint8_t cmdp = 0;
@@ -521,7 +520,7 @@ int CmdLFfskSim(const char *Cmd)
 		//  cmdp++;
 		//  break;
 		case 'd':
-			dataLen = param_getstr(Cmd, cmdp+1, hexData);
+			dataLen = param_getstr(Cmd, cmdp+1, hexData, sizeof(hexData));
 			if (dataLen==0) {
 				errors=true; 
 			} else {
@@ -592,7 +591,7 @@ int CmdLFaskSim(const char *Cmd)
 	uint8_t encoding = 1, separator = 0;
 	uint8_t clk=0, invert=0;
 	bool errors = false;
-	char hexData[32] = {0x00}; 
+	char hexData[64] = {0x00}; 
 	uint8_t data[255]= {0x00}; // store entered hex data
 	int dataLen = 0;
 	uint8_t cmdp = 0;
@@ -627,7 +626,7 @@ int CmdLFaskSim(const char *Cmd)
 			cmdp++;
 			break;
 		case 'd':
-			dataLen = param_getstr(Cmd, cmdp+1, hexData);
+			dataLen = param_getstr(Cmd, cmdp+1, hexData, sizeof(hexData));
 			if (dataLen==0) {
 				errors=true; 
 			} else {
@@ -686,7 +685,7 @@ int CmdLFpskSim(const char *Cmd)
 	uint8_t carrier=0, clk=0;
 	uint8_t invert=0;
 	bool errors = false;
-	char hexData[32] = {0x00}; // store entered hex data
+	char hexData[64] = {0x00}; // store entered hex data
 	uint8_t data[255] = {0x00}; 
 	int dataLen = 0;
 	uint8_t cmdp = 0;
@@ -722,7 +721,7 @@ int CmdLFpskSim(const char *Cmd)
 			cmdp++;
 			break;
 		case 'd':
-			dataLen = param_getstr(Cmd, cmdp+1, hexData);
+			dataLen = param_getstr(Cmd, cmdp+1, hexData, sizeof(hexData));
 			if (dataLen==0) {
 				errors=true; 
 			} else {
@@ -877,7 +876,7 @@ int CmdVchDemod(const char *Cmd)
 int CheckChipType(char cmdp) {
 	uint32_t wordData = 0;
 
-	if (offline || cmdp == '1') return 0;
+	if (IsOffline() || cmdp == '1') return 0;
 
 	save_restoreGB(GRAPH_SAVE);
 	save_restoreDB(GRAPH_SAVE);
@@ -922,7 +921,7 @@ int CmdLFfind(const char *Cmd)
 		return 0;
 	}
 
-	if (!offline && (cmdp != '1')) {
+	if (!IsOffline() && (cmdp != '1')) {
 		lf_read(true, 30000);
 	} else if (GraphTraceLen < minLength) {
 		PrintAndLog("Data in Graphbuffer was too small.");
@@ -938,22 +937,23 @@ int CmdLFfind(const char *Cmd)
 	// 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')) {
+		if (!IsOffline() && (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) {
+            if (getHitagUid(NULL, true)) {
+				PrintAndLog("\nValid Hitag2 tag Found!");
 				return 1;
-			}
-			ans=CmdCOTAGRead("");
-			if (ans>0) {
+            }
+ 			ans = CmdCOTAGRead("");
+			if (ans > 0) {
 				PrintAndLog("\nValid COTAG ID Found!");
 				return 1;
 			}
 		}
+		PrintAndLog("\nNo Data Found! - maybe not an LF tag?\n");
 		return 0;
 	}
 
@@ -1055,6 +1055,12 @@ int CmdLFfind(const char *Cmd)
 		return CheckChipType(cmdp);
 	}
 
+	ans=CmdPacDemod("");
+	if (ans>0) {
+		PrintAndLog("\nValid PAC/Stanley ID Found!");
+		return CheckChipType(cmdp);		
+	}
+
 	PrintAndLog("\nNo Known Tags Found!\n");
 	if (testRaw=='u' || testRaw=='U') {
 		//ans=CheckChipType(cmdp);
@@ -1081,7 +1087,7 @@ int CmdLFfind(const char *Cmd)
 		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'");
+			PrintAndLog("\nCould also be NRZ - try 'data rawdemod nr'");
 			return CheckChipType(cmdp);
 		}
 		ans = CheckChipType(cmdp);
@@ -1105,6 +1111,7 @@ static command_t CommandTable[] =
 	{"jablotron",   CmdLFJablotron,     1, "{ Jablotron RFIDs...         }"},
 	{"nexwatch",    CmdLFNexWatch,      1, "{ NexWatch RFIDs...          }"},
 	{"noralsy",     CmdLFNoralsy,       1, "{ Noralsy RFIDs...           }"},
+	{"pac",         CmdLFPac,           1, "{ PAC/Stanley RFIDs...       }"},
 	{"paradox",     CmdLFParadox,       1, "{ Paradox RFIDs...           }"},
 	{"presco",      CmdLFPresco,        1, "{ Presco RFIDs...            }"},
 	{"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 CHIPs...           }"},