X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c728b2b4cf2ce9fe4eebf0e46d74ef8542e56c16..3f7540c9b768105a4aad9520419e8c332dc536e6:/client/cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index 967fa28f..d0c2dfb3 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -8,23 +8,22 @@
 // Data and Graph commands
 //-----------------------------------------------------------------------------
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-#include "proxmark3.h"
-#include "data.h"
-#include "ui.h"
-#include "graph.h"
-#include "cmdparser.h"
+#include <stdio.h>    // also included in util.h
+#include <string.h>   // also included in util.h
+#include <limits.h>   // for CmdNorm INT_MIN && INT_MAX
+#include "data.h"     // also included in util.h
+#include "cmddata.h"
 #include "util.h"
 #include "cmdmain.h"
-#include "cmddata.h"
-#include "lfdemod.h"
-#include "usb_cmd.h"
-#include "crc.h"
-#include "crc16.h"
-#include "loclass/cipherutils.h"
+#include "proxmark3.h"
+#include "ui.h"       // for show graph controls
+#include "graph.h"    // for graph data
+#include "cmdparser.h"// already included in cmdmain.h
+#include "usb_cmd.h"  // already included in cmdmain.h and proxmark3.h
+#include "lfdemod.h"  // for demod code
+#include "crc.h"      // for pyramid checksum maxim
+#include "crc16.h"    // for FDXB demod checksum
+#include "loclass/cipherutils.h" // for decimating samples in getsamples
 
 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
 uint8_t g_debugMode=0;
@@ -661,7 +660,7 @@ int CmdVikingDemod(const char *Cmd)
 	//call lfdemod.c demod for Viking
 	int ans = VikingDemod_AM(DemodBuffer, &size);
 	if (ans < 0) {
-		if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans);
+		if (g_debugMode) PrintAndLog("Error Viking_Demod %d %s", ans, (ans == -5)?"[chksum error]":"");
 		return 0;
 	}
 	//got a good demod
@@ -757,8 +756,7 @@ int usage_data_autocorr(void)
 int CmdAutoCorr(const char *Cmd)
 {
 	char cmdp = param_getchar(Cmd, 0);
-	if (cmdp == 'h' || cmdp == 'H') 
-		return usage_data_autocorr();
+	if (cmdp == 'h' || cmdp == 'H') return usage_data_autocorr();
 	int window = 4000; //set default
 	char grph=0;
 	bool updateGrph = FALSE;
@@ -1265,7 +1263,7 @@ int CmdFSKdemodAWID(const char *Cmd)
 	//get binary from fsk wave
 	int idx = AWIDdemodFSK(BitStream, &size);
 	if (idx<=0){
-		if (g_debugMode==1){
+		if (g_debugMode){
 			if (idx == -1)
 				PrintAndLog("DEBUG: Error - not enough samples");
 			else if (idx == -2)
@@ -1303,7 +1301,7 @@ int CmdFSKdemodAWID(const char *Cmd)
 
 	size = removeParity(BitStream, idx+8, 4, 1, 88);
 	if (size != 66){
-		if (g_debugMode==1) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format");
+		if (g_debugMode) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format");
 		return 0;
 	}
 	// ok valid card found!
@@ -1316,37 +1314,51 @@ int CmdFSKdemodAWID(const char *Cmd)
 	// 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
 	// bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 	// |26 bit|   |-117--| |-----142------|
+    //
+	// 00110010 0 0000111110100000 00000000000100010010100010000111 1 000000000 
+	// bbbbbbbb w ffffffffffffffff cccccccccccccccccccccccccccccccc w xxxxxxxxx
+	// |50 bit|   |----4000------| |-----------2248975------------| 
 	// b = format bit len, o = odd parity of last 3 bits
 	// f = facility code, c = card number
 	// w = wiegand parity
-	// (26 bit format shown)
 
 	uint32_t fc = 0;
 	uint32_t cardnum = 0;
 	uint32_t code1 = 0;
 	uint32_t code2 = 0;
-	uint8_t fmtLen = bytebits_to_byte(BitStream,8);
-	if (fmtLen==26){
-		fc = bytebits_to_byte(BitStream+9, 8);
-		cardnum = bytebits_to_byte(BitStream+17, 16);
-		code1 = bytebits_to_byte(BitStream+8,fmtLen);
-		PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
-	} else {
-		cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
-		if (fmtLen>32){
-			code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
-			code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);
-			PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
-		} else{
-			code1 = bytebits_to_byte(BitStream+8,fmtLen);
-			PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
-		}
+	uint8_t fmtLen = bytebits_to_byte(BitStream, 8);
+	switch(fmtLen) {
+		case 26: 
+			fc = bytebits_to_byte(BitStream + 9, 8);
+			cardnum = bytebits_to_byte(BitStream + 17, 16);
+			code1 = bytebits_to_byte(BitStream + 8,fmtLen);
+			PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
+			break;
+		case 50:
+			fc = bytebits_to_byte(BitStream + 9, 16);
+			cardnum = bytebits_to_byte(BitStream + 25, 32);
+			code1 = bytebits_to_byte(BitStream + 8, (fmtLen-32) );
+			code2 = bytebits_to_byte(BitStream + 8 + (fmtLen-32), 32);
+			PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+			break;
+		default:
+			if (fmtLen > 32 ) {
+				cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
+				code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
+				code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);
+				PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+			} else {
+				cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
+				code1 = bytebits_to_byte(BitStream+8,fmtLen);
+				PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
+			}
+			break;		
 	}
+
 	if (g_debugMode){
 		PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96);
 		printDemodBuff();
 	}
-	//todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands
 	return 1;
 }
 
@@ -1363,7 +1375,7 @@ int CmdFSKdemodPyramid(const char *Cmd)
 	//get binary from fsk wave
 	int idx = PyramiddemodFSK(BitStream, &size);
 	if (idx < 0){
-		if (g_debugMode==1){
+		if (g_debugMode){
 			if (idx == -5)
 				PrintAndLog("DEBUG: Error - not enough samples");
 			else if (idx == -1)
@@ -1419,7 +1431,7 @@ int CmdFSKdemodPyramid(const char *Cmd)
 
 	size = removeParity(BitStream, idx+8, 8, 1, 120);
 	if (size != 105){
-		if (g_debugMode==1) 
+		if (g_debugMode) 
 			PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3);
 		return 0;
 	}
@@ -1637,21 +1649,21 @@ int CmdIndalaDecode(const char *Cmd)
 	}
 
 	if (!ans){
-		if (g_debugMode==1) 
+		if (g_debugMode) 
 			PrintAndLog("Error1: %d",ans);
 		return 0;
 	}
 	uint8_t invert=0;
 	size_t size = DemodBufferLen;
-	size_t startIdx = indala26decode(DemodBuffer, &size, &invert);
-	if (startIdx < 1 || size > 224) {
-		if (g_debugMode==1)
+	int startIdx = indala26decode(DemodBuffer, &size, &invert);
+	if (startIdx < 0 || size > 224) {
+		if (g_debugMode)
 			PrintAndLog("Error2: %d",ans);
 		return -1;
 	}
-	setDemodBuf(DemodBuffer, size, startIdx);
+	setDemodBuf(DemodBuffer, size, (size_t)startIdx);
 	if (invert)
-		if (g_debugMode==1)
+		if (g_debugMode)
 			PrintAndLog("Had to invert bits");
 
 	PrintAndLog("BitLen: %d",DemodBufferLen);
@@ -2364,6 +2376,12 @@ int Cmdhex2bin(const char *Cmd)
 	return 0;
 }
 
+int CmdDataIIR(const char *Cmd){
+	iceIIR_Butterworth(GraphBuffer, GraphTraceLen);
+	RepaintGraphWindow();
+	return 0;
+}
+
 static command_t CommandTable[] =
 {
 	{"help",            CmdHelp,            1, "This help"},
@@ -2410,6 +2428,7 @@ static command_t CommandTable[] =
 	{"tune",            CmdTuneSamples,     0, "Get hw tune samples for graph window"},
 	{"undec",           CmdUndec,           1, "Un-decimate samples by 2"},
 	{"zerocrossings",   CmdZerocrossings,   1, "Count time between zero-crossings"},
+	{"iir",				CmdDataIIR,			0, "apply IIR buttersworth filter on plotdata"},
 	{NULL, NULL, 0, NULL}
 };