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[proxmark3-svn] / client / cmdlfhid.c

diff --git a/client/cmdlfhid.c b/client/cmdlfhid.c
index 3abbfdec030187c2f2ec5e2ab11986fc4f266c34..6ed6c4fd998706825fc4fea0623876775b92cb85 100644 (file)
--- 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));
        
@@ -339,12 +332,16 @@ 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;
                
-               PrintAndLog(" %u | %03u | %03u  | %llu  | %llX  |  %llX",
+               PrintAndLog(" %u | %03u | %03u  | %" PRIu64 "  | %" PRIX64 "  |  %" PRIX64 ,
                        fmtlen[i],
                        oem,
                        fc,