CHG: the name change from "HF 14A SNOOP" -> "HF 14A SNIFF"

[proxmark3-svn] / client / ui.c

diff --git a/client/ui.c b/client/ui.c
index 1d85cc05f0eaa5e2ac1d6a1c392862baa15c79be..6645a99ea5e5f7519380a6d2dc306c1cc9ae879f 100644 (file)
--- a/client/ui.c
+++ b/client/ui.c
@@ -18,14 +18,16 @@
 #include <pthread.h>
 #include "loclass/cipherutils.h"
 #include "ui.h"
 #include <pthread.h>
 #include "loclass/cipherutils.h"
 #include "ui.h"

-
+#include "cmdmain.h"
+#include "cmddata.h"
+#include "graph.h"

 //#include <liquid/liquid.h>
 #define M_PI 3.14159265358979323846264338327
 
 double CursorScaleFactor;
 int PlotGridX, PlotGridY, PlotGridXdefault= 64, PlotGridYdefault= 64;
 int offline;
 //#include <liquid/liquid.h>
 #define M_PI 3.14159265358979323846264338327
 
 double CursorScaleFactor;
 int PlotGridX, PlotGridY, PlotGridXdefault= 64, PlotGridYdefault= 64;
 int offline;

-int flushAfterWrite = 0;  //buzzy
+int flushAfterWrite = 0;

 extern pthread_mutex_t print_lock;
 
 static char *logfilename = "proxmark3.log";
 extern pthread_mutex_t print_lock;
 
 static char *logfilename = "proxmark3.log";


@@ -36,13 +38,13 @@ void PrintAndLog(char *fmt, ...)
        int saved_point;
        va_list argptr, argptr2;
        static FILE *logfile = NULL;
        int saved_point;
        va_list argptr, argptr2;
        static FILE *logfile = NULL;

-       static int logging=1;
+       static int logging = 1;

 
        // lock this section to avoid interlacing prints from different threats
        pthread_mutex_lock(&print_lock);
   
        if (logging && !logfile) {
 
        // lock this section to avoid interlacing prints from different threats
        pthread_mutex_lock(&print_lock);
   
        if (logging && !logfile) {

-               logfile=fopen(logfilename, "a");
+               logfile = fopen(logfilename, "a");

                if (!logfile) {
                        fprintf(stderr, "Can't open logfile, logging disabled!\n");
                        logging=0;
                if (!logfile) {
                        fprintf(stderr, "Can't open logfile, logging disabled!\n");
                        logging=0;


@@ -81,8 +83,7 @@ void PrintAndLog(char *fmt, ...)
        }
        va_end(argptr2);
 
        }
        va_end(argptr2);
 

-       if (flushAfterWrite == 1)  //buzzy
-       {
+       if (flushAfterWrite == 1) {

                fflush(NULL);
        }
        //release lock
                fflush(NULL);
        }
        //release lock


@@ -94,98 +95,38 @@ void SetLogFilename(char *fn)
   logfilename = fn;
 }
 
   logfilename = fn;
 }
 

-int manchester_decode( int * data, const size_t len, uint8_t * dataout){
+int manchester_decode( int * data, const size_t len, uint8_t * dataout,  size_t dataoutlen){

        
        int bitlength = 0;
        
        int bitlength = 0;

-       int i, clock, high, low, startindex;
+       int clock, high, low, startindex;

        low = startindex = 0;
        high = 1;
        low = startindex = 0;
        high = 1;

-       uint8_t bitStream[len];
-       
-       memset(bitStream, 0x00, len);
+       uint8_t * bitStream =  (uint8_t* ) malloc(sizeof(uint8_t) * dataoutlen);        
+       memset(bitStream, 0x00, dataoutlen);    

        
        /* Detect high and lows */
        
        /* Detect high and lows */

-       for (i = 0; i < len; i++) {
-               if (data[i] > high)
-                       high = data[i];
-               else if (data[i] < low)
-                       low = data[i];
-       }
-       
+       DetectHighLowInGraph(&high, &low, TRUE); 
+

        /* get clock */
        /* get clock */

-       clock = GetT55x7Clock( data, len, high );       
+       clock = GetAskClock("",false, false);
+

        startindex = DetectFirstTransition(data, len, high);
   
        startindex = DetectFirstTransition(data, len, high);
   

-       //PrintAndLog(" Clock       : %d", clock);
-       //PrintAndLog(" startindex  : %d", startindex);
-       

        if (high != 1)
        if (high != 1)

-               bitlength = ManchesterConvertFrom255(data, len, bitStream, high, low, clock, startindex);
+               // decode "raw"
+               bitlength = ManchesterConvertFrom255(data, len, bitStream, dataoutlen, high, low, clock, startindex);

        else
        else

-               bitlength= ManchesterConvertFrom1(data, len, bitStream, clock, startindex);
-
-       //if ( bitlength > 0 )
-       //      PrintPaddedManchester(bitStream, bitlength, clock);
+               // decode manchester
+               bitlength = ManchesterConvertFrom1(data, len, bitStream, dataoutlen, clock, startindex);

 
        memcpy(dataout, bitStream, bitlength);
 
        memcpy(dataout, bitStream, bitlength);

+       free(bitStream);

        return bitlength;
 }
        return bitlength;
 }

-
- int GetT55x7Clock( const int * data, const size_t len, int peak ){ 
- 
-       int i,lastpeak,clock;
-       clock = 0xFFFF;
-       lastpeak = 0;
-       
-       /* Detect peak if we don't have one */
-       if (!peak) {
-               for (i = 0; i < len; ++i) {
-                       if (data[i] > peak) {
-                               peak = data[i];
-                       }
-               }
-       }
-       
-       for (i = 1; i < len; ++i) {
-               /* if this is the beginning of a peak */
-               if ( data[i-1] != data[i] &&  data[i] == peak) {
-                 /* find lowest difference between peaks */
-                       if (lastpeak && i - lastpeak < clock)
-                               clock = i - lastpeak;
-                       lastpeak = i;
-               }
-       }
-       //return clock;  
-       //defaults clock to precise values.
-       switch(clock){
-               case 8:
-               case 16:
-               case 32:
-               case 40:
-               case 50:
-               case 64:
-               case 100:
-               case 128:
-               return clock;
-               break;
-               default:  break;
-       }
-       
-       //PrintAndLog(" Found Clock : %d  - trying to adjust", clock);
-       
-       // When detected clock is 31 or 33 then then return 
-       int clockmod = clock%8;
-       if ( clockmod == 7 ) 
-               clock += 1;
-       else if ( clockmod == 1 )
-               clock -= 1;
-       
-       return clock;
- }

  
  int DetectFirstTransition(const int * data, const size_t len, int threshold){
 
  
  int DetectFirstTransition(const int * data, const size_t len, int threshold){
 

-       int i =0;
+       int i = 0;

        /* now look for the first threshold */
        for (; i < len; ++i) {
                if (data[i] == threshold) {
        /* now look for the first threshold */
        for (; i < len; ++i) {
                if (data[i] == threshold) {


@@ -195,7 +136,7 @@ int manchester_decode( int * data, const size_t len, uint8_t * dataout){
        return i;
  }
 
        return i;
  }
 

- int ManchesterConvertFrom255(const int * data, const size_t len, uint8_t * dataout, int high, int low, int clock, int startIndex){
+ int ManchesterConvertFrom255(const int * data, const size_t len, uint8_t * dataout, int dataoutlen, int high, int low, int clock, int startIndex){

 
        int i, j, z, hithigh, hitlow, bitIndex, startType;
        i = 0;
 
        int i, j, z, hithigh, hitlow, bitIndex, startType;
        i = 0;


@@ -208,7 +149,7 @@ int manchester_decode( int * data, const size_t len, uint8_t * dataout){
        int firstST = 0;
 
        // i = clock frame of data
        int firstST = 0;
 
        // i = clock frame of data

-       for (; i < (int)(len / clock); i++)
+       for (; i < (int)(len/clock); i++)

        {
                hithigh = 0;
                hitlow = 0;
        {
                hithigh = 0;
                hitlow = 0;


@@ -238,8 +179,7 @@ int manchester_decode( int * data, const size_t len, uint8_t * dataout){
                // No high value found, are we in a dampening field?
                if ( !hithigh ) {
                        //PrintAndLog(" # Entering damp test at index : %d (%d)", z+j, j);
                // No high value found, are we in a dampening field?
                if ( !hithigh ) {
                        //PrintAndLog(" # Entering damp test at index : %d (%d)", z+j, j);

-                       for (j = 0; j < clock; j++)
-                       {
+                       for (j = 0; j < clock; j++) {

                                if ( 
                                     (data[z+j] <= dampHi && data[z+j] >= dampLow)
                                   ){
                                if ( 
                                     (data[z+j] <= dampHi && data[z+j] >= dampLow)
                                   ){


@@ -265,14 +205,14 @@ int manchester_decode( int * data, const size_t len, uint8_t * dataout){
                
                if ( firstST == 4)
                        break;
                
                if ( firstST == 4)
                        break;

+               if ( bitIndex >= dataoutlen-1 )
+                       break;

        }
        return bitIndex;
  }
  
        }
        return bitIndex;
  }
  

- int ManchesterConvertFrom1(const int * data, const size_t len, uint8_t * dataout, int clock, int startIndex){
+ int ManchesterConvertFrom1(const int * data, const size_t len, uint8_t * dataout,int dataoutlen, int clock, int startIndex){

 
 

-       PrintAndLog(" Path B");
- 

        int i,j, bitindex, lc, tolerance, warnings;
        warnings = 0;
        int upperlimit = len*2/clock+8;
        int i,j, bitindex, lc, tolerance, warnings;
        warnings = 0;
        int upperlimit = len*2/clock+8;


@@ -395,91 +335,15 @@ void PrintPaddedManchester( uint8_t* bitStream, size_t len, size_t blocksize){
                PrintAndLog(" %s", sprint_bin(bitStream+i, mod) );      
 }
 
                PrintAndLog(" %s", sprint_bin(bitStream+i, mod) );      
 }
 

-void iceFsk(int * data, const size_t len){
-
-       //34359738  == 125khz   (2^32 / 125) =
-       
-    // parameters
-    float phase_offset      = 0.00f;   // carrier phase offset
-    float frequency_offset  = 0.30f;   // carrier frequency offset
-    float wn                = 0.01f;   // pll bandwidth
-    float zeta              = 0.707f;  // pll damping factor
-    float K                 = 1000;    // pll loop gain
-    size_t n                = len;     // number of samples
-
-    // generate loop filter parameters (active PI design)
-    float t1 = K/(wn*wn);   // tau_1
-    float t2 = 2*zeta/wn;   // tau_2
-
-    // feed-forward coefficients (numerator)
-    float b0 = (4*K/t1)*(1.+t2/2.0f);
-    float b1 = (8*K/t1);
-    float b2 = (4*K/t1)*(1.-t2/2.0f);
-
-    // feed-back coefficients (denominator)
-    //    a0 =  1.0  is implied
-    float a1 = -2.0f;
-    float a2 =  1.0f;
-
-    // filter buffer
-    float v0=0.0f, v1=0.0f, v2=0.0f;
-    
-    // initialize states
-    float phi     = phase_offset;  // input signal's initial phase
-    float phi_hat = 0.0f;      // PLL's initial phase
-    
-    unsigned int i;
-    float complex x,y;
-       float complex output[n];
-       
-       for (i=0; i<n; i++) {
-               // INPUT SIGNAL
-               x = data[i];
-               phi += frequency_offset;
-               
-               // generate complex sinusoid
-               y = cosf(phi_hat) + _Complex_I*sinf(phi_hat);
-
-               output[i] = y;
-
-               // compute error estimate
-               float delta_phi = cargf( x * conjf(y) );
-
-               
-        // print results to standard output
-        printf("  %6u %12.8f %12.8f %12.8f %12.8f %12.8f\n",
-                  i,
-                  crealf(x), cimagf(x),
-                  crealf(y), cimagf(y),
-                  delta_phi);
-       
-               // push result through loop filter, updating phase estimate
-
-               // advance buffer
-               v2 = v1;  // shift center register to upper register
-               v1 = v0;  // shift lower register to center register
-
-               // compute new lower register
-               v0 = delta_phi - v1*a1 - v2*a2;
-
-               // compute new output
-               phi_hat = v0*b0 + v1*b1 + v2*b2;
-
-       }
-
-       for (i=0; i<len; ++i){
-               data[i] = (int)crealf(output[i]);
-       }
-}
-

 /* Sliding DFT
    Smooths out 
 */ 
 void iceFsk2(int * data, const size_t len){
 
        int i, j;
 /* Sliding DFT
    Smooths out 
 */ 
 void iceFsk2(int * data, const size_t len){
 
        int i, j;

-       int output[len];
-       
+       int * output =  (int* ) malloc(sizeof(int) * len);      
+       memset(output, 0x00, len);
+

        // for (i=0; i<len-5; ++i){
                // for ( j=1; j <=5; ++j) {
                        // output[i] += data[i*j];
        // for (i=0; i<len-5; ++i){
                // for ( j=1; j <=5; ++j) {
                        // output[i] += data[i*j];


@@ -499,27 +363,31 @@ void iceFsk2(int * data, const size_t len){
        
        for (j=0; j<len; ++j)
                data[j] = output[j];
        
        for (j=0; j<len; ++j)
                data[j] = output[j];

+               
+       free(output);

 }
 
 void iceFsk3(int * data, const size_t len){
 
        int i,j;
 }
 
 void iceFsk3(int * data, const size_t len){
 
        int i,j;

-       int output[len];
-    float fc            = 0.1125f;          // center frequency
-
+       
+       int * output =  (int* ) malloc(sizeof(int) * len);      
+       memset(output, 0x00, len);
+       float fc           = 0.1125f;          // center frequency
+       size_t adjustedLen = len;
+       

     // create very simple low-pass filter to remove images (2nd-order Butterworth)
     float complex iir_buf[3] = {0,0,0};
     float b[3] = {0.003621681514929,  0.007243363029857, 0.003621681514929};
     float a[3] = {1.000000000000000, -1.822694925196308, 0.837181651256023};
     
     // create very simple low-pass filter to remove images (2nd-order Butterworth)
     float complex iir_buf[3] = {0,0,0};
     float b[3] = {0.003621681514929,  0.007243363029857, 0.003621681514929};
     float a[3] = {1.000000000000000, -1.822694925196308, 0.837181651256023};
     

-    // process entire input file one sample at a time
-    float         sample      = 0;      // input sample read from file
-    float complex x_prime     = 1.0f;   // save sample for estimating frequency
+    float sample           = 0;      // input sample read from file
+    float complex x_prime  = 1.0f;   // save sample for estimating frequency

     float complex x;
                
     float complex x;
                

-       for (i=0; i<len; ++i) {
+       for (i=0; i<adjustedLen; ++i) {

 
 

-               sample = data[i];
+               sample = data[i]+128;

                
         // remove DC offset and mix to complex baseband
         x = (sample - 127.5f) * cexpf( _Complex_I * 2 * M_PI * fc * i );
                
         // remove DC offset and mix to complex baseband
         x = (sample - 127.5f) * cexpf( _Complex_I * 2 * M_PI * fc * i );


@@ -541,29 +409,36 @@ void iceFsk3(int * data, const size_t len){
     } 
 
        // show data
     } 
 
        // show data

-       for (j=0; j<len; ++j)
+       for (j=0; j<adjustedLen; ++j)

                data[j] = output[j];
                
        CmdLtrim("30");
                data[j] = output[j];
                
        CmdLtrim("30");

+       adjustedLen -= 30;

        
        // zero crossings.
        
        // zero crossings.

-       for (j=0; j<len; ++j){
+       for (j=0; j<adjustedLen; ++j){

                if ( data[j] == 10) break;
        }
        int startOne =j;
        
                if ( data[j] == 10) break;
        }
        int startOne =j;
        

-       for (;j<len; ++j){
+       for (;j<adjustedLen; ++j){

                if ( data[j] == -10 ) break;
        }
        int stopOne = j-1;
        
        int fieldlen = stopOne-startOne;
                if ( data[j] == -10 ) break;
        }
        int stopOne = j-1;
        
        int fieldlen = stopOne-startOne;

-       printf("FIELD Length: %d \n", fieldlen);

        
        

+       fieldlen = (fieldlen == 39 || fieldlen == 41)? 40 : fieldlen;
+       fieldlen = (fieldlen == 59 || fieldlen == 51)? 50 : fieldlen;
+       if ( fieldlen != 40 && fieldlen != 50){
+               printf("Detected field Length: %d \n", fieldlen);
+               printf("Can only handle 40 or 50.  Aborting...\n");
+               return;
+       }

        
        // FSK sequence start == 000111
        int startPos = 0;
        
        // FSK sequence start == 000111
        int startPos = 0;

-       for (i =0; i<len; ++i){
+       for (i =0; i<adjustedLen; ++i){

                int dec = 0;
                for ( j = 0; j < 6*fieldlen; ++j){
                        dec += data[i + j];
                int dec = 0;
                for ( j = 0; j < 6*fieldlen; ++j){
                        dec += data[i + j];


@@ -576,27 +451,24 @@ void iceFsk3(int * data, const size_t len){
        
        printf("000111 position: %d \n", startPos);
 
        
        printf("000111 position: %d \n", startPos);
 

-       startPos += 6*fieldlen+1;
+       startPos += 6*fieldlen+5;

        
        

+       int bit =0;

        printf("BINARY\n");
        printf("R/40 :  ");
        printf("BINARY\n");
        printf("R/40 :  ");

-       for (i =startPos ; i < len; i += 40){
-               if ( data[i] > 0 ) 
-                       printf("1");
-               else
-                       printf("0");
+       for (i =startPos ; i < adjustedLen; i += 40){
+               bit = data[i]>0 ? 1:0;
+               printf("%d", bit );

        }
        printf("\n");   
        
        printf("R/50 :  ");
        }
        printf("\n");   
        
        printf("R/50 :  ");

-       for (i =startPos ; i < len; i += 50){
-               if ( data[i] > 0 ) 
-                       printf("1");
-               else
-                       printf("0");
-       }
+       for (i =startPos ; i < adjustedLen; i += 50){
+               bit = data[i]>0 ? 1:0;
+               printf("%d", bit );     }

        printf("\n");   
        
        printf("\n");   
        

+       free(output);

 }
 
 float complex cexpf (float complex Z)
 }
 
 float complex cexpf (float complex Z)