X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a0a61c91ccefed75187e810cca0e3bcb319ecdcf..1bfbe92a5397f7c8a7348b6b10277cfea3770582:/client/cmdlfhid.c

diff --git a/client/cmdlfhid.c b/client/cmdlfhid.c
index 3abbfdec..3eb96422 100644
--- a/client/cmdlfhid.c
+++ b/client/cmdlfhid.c
@@ -10,6 +10,10 @@
 
 #include "cmdlfhid.h"
 
+#ifndef BITS
+# define BITS 96
+#endif
+
 static int CmdHelp(const char *Cmd);
 
 int usage_lf_hid_wiegand(void){
@@ -97,7 +101,7 @@ static bool sendTry(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint32_t delay, ui
 }
 
 int CmdHIDDemodFSK(const char *Cmd) {
-	int findone = ( Cmd[0] == '1' ) ? 1 : 0;
+	uint8_t findone = ( Cmd[0] == '1' ) ? 1 : 0;
 	UsbCommand c = {CMD_HID_DEMOD_FSK, {findone, 0 , 0}};
 	clearCommandBuffer();
 	SendCommand(&c);
@@ -175,17 +179,31 @@ typedef struct {
 	size_t   Wiegand_n;
  } wiegand_t;
 
-static void addHIDMarker(uint8_t fmtlen, uint8_t *out) {
-    
+static void addHIDMarker(uint8_t fmtlen, uint8_t *out) {    
+	// temp array
+	uint8_t arr[BITS];
+	memset(arr, 0, BITS);
+
+	// copy inpu
+	uint8_t pos = sizeof(arr)-fmtlen;
+	memcpy(arr+pos, out, fmtlen);
+			
 	switch(fmtlen) {
-		case 26:
-			   //*out |= (1 << 26); // why this?
-			   //*out |= (1 << 37);  // bit format for hid?
+		case 26:{
+			// start sentinel, BITS-bit 27 = 1
+			arr[BITS-27] = 1;
+			// fmt smaller than 37 used,  bit37 = 1
+			arr[BITS-38]  = 1;
+			memcpy(out, arr, BITS);
 			break;
+		}
 		case 34:
-				// set bit format for less than 37 bit format
-				// 5+32= 1
-				//*hi = (1 << 5) | (fc >> 15);
+			// start sentinel, BITS-bit 27 = 1
+			arr[BITS-35] = 1;
+			
+			// fmt smaller than 37 used,  bit37 = 1
+			arr[BITS-38]  = 1;
+			memcpy(out, arr, BITS);
 			break;
 		default:break;
 	}
@@ -228,14 +246,14 @@ static void addHIDMarker(uint8_t fmtlen, uint8_t *out) {
 	// *lo |= result;
 // }
 
-//static void calc26(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){
+//static void calc26(uint16_t fc, uint32_t cardno,  uint8_t *out){
 static void calc26(uint16_t fc, uint32_t cardno, uint8_t *out){
 	uint8_t wiegand[24];
 	num_to_bytebits(fc, 8, wiegand);
 	num_to_bytebits(cardno, 16, wiegand+8);
 	wiegand_add_parity(out,  wiegand, sizeof(wiegand) );
 }
-// static void calc33(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){
+// static void calc33(uint16_t fc, uint32_t cardno,  uint8_t *out){
 // }
 static void calc34(uint16_t fc, uint32_t cardno, uint8_t *out){
 	uint8_t wiegand[32];
@@ -243,7 +261,7 @@ static void calc34(uint16_t fc, uint32_t cardno, uint8_t *out){
 	num_to_bytebits(cardno, 16, wiegand + 16);
   	wiegand_add_parity(out,  wiegand, sizeof(wiegand) );	
 }
-// static void calc35(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){
+// static void calc35(uint16_t fc, uint32_t cardno,  uint8_t *out){
 	// *lo = ((cardno & 0xFFFFF) << 1) | fc << 21; 
 	// *hi = (1 << 5) | ((fc >> 11) & 1);  
 // }
@@ -269,47 +287,22 @@ static void calc37H(uint64_t cardno, uint8_t *out){
 	
 	printf("%x %x\n", (uint32_t)(cardno >> 32), (uint32_t)cardno );
 }
-// static void calc40(uint64_t cardno, uint32_t *hi, uint32_t *lo){
+// static void calc40(uint64_t cardno,  uint8_t *out){
 	// cardno = (cardno & 0xFFFFFFFFFF);
 	// *lo = ((cardno & 0xFFFFFFFF) << 1 ); 
 	// *hi = (cardno >> 31);  
 // }
 
 void calcWiegand(uint8_t fmtlen, uint16_t fc, uint64_t cardno, uint8_t *bits){
-
-	// uint32_t hi = 0, lo = 0;
 	 uint32_t cn32 = (cardno & 0xFFFFFFFF);
 	 switch ( fmtlen ) {
-		case 26 : {			
-			calc26(fc, cn32, bits);
-			//addHIDFormatMarker(fmtlen, bits);	
-			break;
-		}
-		// case 33 : { 
- 			// // calc33(fc, cn32, hi, lo);
-			// // getParity33(hi, lo);	
-			// break;
-		// }
-		case 34 : {
- 			calc34(fc, cn32, bits);
-			//addHIDFormatMarker(fmtlen, bits);	
-			break;
-		}
-		// case 35 : {
-			// calc35(fc, cn32, hi, lo);
-			// getParity35(hi, lo);
-			// break;
-		// }
-		case 37 : {
-			calc37S(fc, cn32, bits);
-			//addHIDFormatMarker(fmtlen, bits);	
-			break;
-		}
-		case 38 : { 
-			calc37H(cardno, bits);
-			break;
-		}
-		// case 40 : calc40(cardno, hi, lo);	break;
+		case 26: calc26(fc, cn32, bits); break;
+		// case 33 : calc33(fc, cn32, bits); break;
+		case 34: calc34(fc, cn32, bits); break;
+		// case 35 : calc35(fc, cn32, bits); break;
+		case 37: calc37S(fc, cn32, bits); break;
+		case 38: calc37H(cardno, bits); break;
+		// case 40 : calc40(cardno, bits);	break;
 		// case 44 : { break; }
 		// case 84 : { break; }
 		default: break;
@@ -321,7 +314,7 @@ int CmdHIDWiegand(const char *Cmd) {
 	uint64_t cardnum = 0;
 	uint64_t blocks = 0, wiegand = 0; 
 
-	uint8_t bits[96];
+	uint8_t bits[BITS];
 	uint8_t *bs = bits;
 	memset(bs, 0, sizeof(bits));
 	
@@ -339,8 +332,12 @@ int CmdHIDWiegand(const char *Cmd) {
 	for (uint8_t i = 0; i < sizeof(fmtlen); i++){
 		memset(bits, 0x00, sizeof(bits));
 		calcWiegand( fmtlen[i], fc, cardnum, bs);
+		printf("ice:: %s \n", sprint_bin(bs, fmtlen[i]));
 		wiegand = (uint64_t)bytebits_to_byte(bs, 32) << 32 | bytebits_to_byte(bs+32, 32);
-		blocks = (uint64_t)bytebits_to_byte(bs, 32) << 32 | bytebits_to_byte(bs+32, 32);
+		
+		addHIDMarker(fmtlen[i], bs);	
+		printf("ice:: %s\n", sprint_bin(bs, BITS));
+		blocks = (uint64_t)bytebits_to_byte(bs+32, 32) << 32 | bytebits_to_byte(bs+64, 32);
 		uint8_t shifts = 64-fmtlen[i];		
 		wiegand >>= shifts;