Merge pull request #248 from marshmellow42/master

[proxmark3-svn] / client / util.c

diff --git a/client/util.c b/client/util.c
index 5e9fce858fe9606da93830da0eb9b4c4970883b9..d07c915cefbf181a1406efc64359e2b629471572 100644 (file)
--- a/client/util.c
+++ b/client/util.c
@@ -8,11 +8,26 @@
 // utilities
 //-----------------------------------------------------------------------------
 
 // utilities
 //-----------------------------------------------------------------------------
 

+#if !defined(_WIN32)
+#define _POSIX_C_SOURCE        199309L                 // need nanosleep()
+#endif
+

 #include "util.h"
 
 #include "util.h"
 

+#include <stdint.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include "data.h"
+
+#define MAX_BIN_BREAK_LENGTH   (3072+384+1)
+

 #ifndef _WIN32
 #include <termios.h>
 #include <sys/ioctl.h> 
 #ifndef _WIN32
 #include <termios.h>
 #include <sys/ioctl.h> 

+#include <unistd.h>

 
 int ukbhit(void)
 {
 
 int ukbhit(void)
 {


@@ -20,25 +35,25 @@ int ukbhit(void)
   int error;
   static struct termios Otty, Ntty;
 
   int error;
   static struct termios Otty, Ntty;
 

-
-  tcgetattr( 0, &Otty);
+  if ( tcgetattr(STDIN_FILENO, &Otty) == -1 ) return -1;

   Ntty = Otty;
 
   Ntty = Otty;
 

-  Ntty.c_iflag          = 0;       /* input mode                */
-  Ntty.c_oflag          = 0;       /* output mode               */
-  Ntty.c_lflag         &= ~ICANON; /* raw mode */
-  Ntty.c_cc[VMIN]       = CMIN;    /* minimum time to wait      */
-  Ntty.c_cc[VTIME]      = CTIME;   /* minimum characters to wait for */
-
-  if (0 == (error = tcsetattr(0, TCSANOW, &Ntty))) {
-    error += ioctl(0, FIONREAD, &cnt);
-    error += tcsetattr(0, TCSANOW, &Otty);
+  Ntty.c_iflag          = 0x0000;   // input mode
+  Ntty.c_oflag          = 0x0000;   // output mode
+  Ntty.c_lflag         &= ~ICANON;  // control mode = raw
+  Ntty.c_cc[VMIN]       = 1;        // return if at least 1 character is in the queue
+  Ntty.c_cc[VTIME]      = 0;               // no timeout. Wait forever
+  
+  if (0 == (error = tcsetattr(STDIN_FILENO, TCSANOW, &Ntty))) {   // set new attributes
+    error += ioctl(STDIN_FILENO, FIONREAD, &cnt);                 // get number of characters availabe
+    error += tcsetattr(STDIN_FILENO, TCSANOW, &Otty);             // reset attributes

   }
 
   return ( error == 0 ? cnt : -1 );
 }
 
 #else
   }
 
   return ( error == 0 ? cnt : -1 );
 }
 
 #else

+

 #include <conio.h>
 int ukbhit(void) {
        return kbhit();
 #include <conio.h>
 int ukbhit(void) {
        return kbhit();


@@ -92,7 +107,7 @@ void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount)
        memset(fileName, 0x00, 200);
        
        for (int j = 0; j < byteCount; j++, fnameptr += 2)
        memset(fileName, 0x00, 200);
        
        for (int j = 0; j < byteCount; j++, fnameptr += 2)

-               sprintf(fnameptr, "%02x", uid[j]); 
+               sprintf(fnameptr, "%02x", (unsigned int) uid[j]); 

        sprintf(fnameptr, "%s", ext); 
 }
 
        sprintf(fnameptr, "%s", ext); 
 }
 


@@ -108,6 +123,23 @@ void print_hex(const uint8_t * data, const size_t len)
        printf("\n");
 }
 
        printf("\n");
 }
 

+void print_hex_break(const uint8_t *data, const size_t len, uint8_t breaks) {
+
+       int rownum = 0;
+       printf("[%02d] | ", rownum);
+       for (int i = 0; i < len; ++i) {
+
+               printf("%02X ", data[i]);
+               
+               // check if a line break is needed
+               if ( breaks > 0 && !((i+1) % breaks) && (i+1 < len) ) {
+                       ++rownum;
+                       printf("\n[%02d] | ", rownum);
+               }
+       }
+       printf("\n");
+}
+

 char *sprint_hex(const uint8_t *data, const size_t len) {
        
        int maxLen = ( len > 1024/3) ? 1024/3 : len;
 char *sprint_hex(const uint8_t *data, const size_t len) {
        
        int maxLen = ( len > 1024/3) ? 1024/3 : len;


@@ -117,22 +149,37 @@ char *sprint_hex(const uint8_t *data, const size_t len) {
        size_t i;
 
        for (i=0; i < maxLen; ++i, tmp += 3)
        size_t i;
 
        for (i=0; i < maxLen; ++i, tmp += 3)

-               sprintf(tmp, "%02x ", data[i]);
+               sprintf(tmp, "%02x ", (unsigned int) data[i]);

 
        return buf;
 }
 
 char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks) {
 
        return buf;
 }
 
 char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks) {

-       
-       int maxLen = ( len > 1020) ? 1020 : len;
-       static char buf[1024];
-       memset(buf, 0x00, 1024);
+       // make sure we don't go beyond our char array memory
+       int max_len;
+       if (breaks==0)
+               max_len = ( len > MAX_BIN_BREAK_LENGTH ) ? MAX_BIN_BREAK_LENGTH : len;
+       else
+               max_len = ( len+(len/breaks) > MAX_BIN_BREAK_LENGTH ) ? MAX_BIN_BREAK_LENGTH : len+(len/breaks);
+
+       static char buf[MAX_BIN_BREAK_LENGTH]; // 3072 + end of line characters if broken at 8 bits
+       //clear memory
+       memset(buf, 0x00, sizeof(buf));

        char *tmp = buf;
 
        char *tmp = buf;
 

-       for (size_t i=0; i < maxLen; ++i){
-               sprintf(tmp++, "%u", data[i]);
-               if (breaks > 0 && !((i+1) % breaks))
+       size_t in_index = 0;
+       // loop through the out_index to make sure we don't go too far
+       for (size_t out_index=0; out_index < max_len-1; out_index++) {
+               // set character - (should be binary but verify it isn't more than 1 digit)
+               if (data[in_index]<10)
+                       sprintf(tmp++, "%u", (unsigned int) data[in_index]);
+               // check if a line break is needed and we have room to print it in our array
+               if ( (breaks > 0) && !((in_index+1) % breaks) && (out_index+1 != max_len) ) {
+                       // increment and print line break
+                       out_index++;

                        sprintf(tmp++, "%s","\n");
                        sprintf(tmp++, "%s","\n");

+               }
+               in_index++;

        }
 
        return buf;
        }
 
        return buf;


@@ -141,6 +188,41 @@ char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t brea
 char *sprint_bin(const uint8_t *data, const size_t len) {
        return sprint_bin_break(data, len, 0);
 }
 char *sprint_bin(const uint8_t *data, const size_t len) {
        return sprint_bin_break(data, len, 0);
 }

+
+char *sprint_hex_ascii(const uint8_t *data, const size_t len) {
+       static char buf[1024];
+       char *tmp = buf;
+       memset(buf, 0x00, 1024);
+       size_t max_len = (len > 1010) ? 1010 : len;
+
+       sprintf(tmp, "%s| ", sprint_hex(data, max_len) );
+       
+       size_t i = 0;
+       size_t pos = (max_len * 3)+2;
+       while(i < max_len){
+               char c = data[i];
+               if ( (c < 32) || (c == 127))
+                       c = '.';
+               sprintf(tmp+pos+i, "%c",  c);
+               ++i;
+       }
+       return buf;
+}
+
+char *sprint_ascii(const uint8_t *data, const size_t len) {
+       static char buf[1024];
+       char *tmp = buf;
+       memset(buf, 0x00, 1024);
+       size_t max_len = (len > 1010) ? 1010 : len;
+       size_t i = 0;
+       while(i < max_len){
+               char c = data[i];
+               tmp[i] = ((c < 32) || (c == 127)) ? '.' : c;
+               ++i;
+       }
+       return buf;
+}
+

 void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
 {
        while (len--) {
 void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
 {
        while (len--) {


@@ -160,6 +242,31 @@ uint64_t bytes_to_num(uint8_t* src, size_t len)
        return num;
 }
 
        return num;
 }
 

+void num_to_bytebits(uint64_t  n, size_t len, uint8_t *dest) {
+       while (len--) {
+               dest[len] = n & 1;
+               n >>= 1;
+       }
+}
+
+//least significant bit first
+void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest) {
+       for(int i = 0 ; i < len ; ++i) {
+               dest[i] =  n & 1;
+               n >>= 1;
+       }
+}
+
+// Swap bit order on a uint32_t value.  Can be limited by nrbits just use say 8bits reversal
+// And clears the rest of the bits.
+uint32_t SwapBits(uint32_t value, int nrbits) {
+       uint32_t newvalue = 0;
+       for(int i = 0; i < nrbits; i++) {
+               newvalue ^= ((value >> i) & 1) << (nrbits - 1 - i);
+       }
+       return newvalue;
+}
+

 // aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp
 // to
 // hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii
 // aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp
 // to
 // hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii


@@ -176,6 +283,16 @@ uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockS
        return tmp;
 }
 
        return tmp;
 }
 

+// takes a uint8_t src array, for len items and reverses the byte order in blocksizes (8,16,32,64), 
+// returns: the dest array contains the reordered src array.
+void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest){
+       for (uint8_t block=0; block < (uint8_t)(len/blockSize); block++){
+               for (size_t i = 0; i < blockSize; i++){
+                       dest[i+(blockSize*block)] = src[(blockSize-1-i)+(blockSize*block)];
+               }
+       }
+}
+

 //assumes little endian
 char * printBits(size_t const size, void const * const ptr)
 {
 //assumes little endian
 char * printBits(size_t const size, void const * const ptr)
 {


@@ -191,7 +308,7 @@ char * printBits(size_t const size, void const * const ptr)
         {
             byte = b[i] & (1<<j);
             byte >>= j;
         {
             byte = b[i] & (1<<j);
             byte >>= j;

-            sprintf(tmp, "%u", byte);
+            sprintf(tmp, "%u", (unsigned int)byte);

                        tmp++;
         }
     }
                        tmp++;
         }
     }


@@ -248,7 +365,7 @@ char param_getchar(const char *line, int paramnum)
 
 uint8_t param_get8(const char *line, int paramnum)
 {
 
 uint8_t param_get8(const char *line, int paramnum)
 {

-       return param_get8ex(line, paramnum, 10, 0);
+       return param_get8ex(line, paramnum, 0, 10);

 }
 
 /**
 }
 
 /**


@@ -308,8 +425,6 @@ uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base)
                return strtoull(&line[bg], NULL, base);
        else
                return deflt;
                return strtoull(&line[bg], NULL, base);
        else
                return deflt;

-
-       return 0;

 }
 
 int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt)
 }
 
 int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt)


@@ -427,7 +542,7 @@ int binarraytohex(char *target,char *source, int length)
     {
         for(i= x= 0 ; i < 4 ; ++i)
             x +=  ( source[i] << (3 - i));
     {
         for(i= x= 0 ; i < 4 ; ++i)
             x +=  ( source[i] << (3 - i));

-        sprintf(target,"%X", x);
+        sprintf(target,"%X", (unsigned int)x);

         ++target;
         source += 4;
         j -= 4;
         ++target;
         source += 4;
         j -= 4;


@@ -446,7 +561,7 @@ void binarraytobinstring(char *target, char *source,  int length)
 }
 
 // return parity bit required to match type
 }
 
 // return parity bit required to match type

-uint8_t GetParity( char *bits, uint8_t type, int length)
+uint8_t GetParity( uint8_t *bits, uint8_t type, int length)

 {
     int x;
 
 {
     int x;
 


@@ -458,7 +573,7 @@ uint8_t GetParity( char *bits, uint8_t type, int length)
 }
 
 // add HID parity to binary array: EVEN prefix for 1st half of ID, ODD suffix for 2nd half
 }
 
 // add HID parity to binary array: EVEN prefix for 1st half of ID, ODD suffix for 2nd half

-void wiegand_add_parity(char *target, char *source, char length)
+void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length)

 {
     *(target++)= GetParity(source, EVEN, length / 2);
     memcpy(target, source, length);
 {
     *(target++)= GetParity(source, EVEN, length / 2);
     memcpy(target, source, length);


@@ -466,6 +581,7 @@ void wiegand_add_parity(char *target, char *source, char length)
     *(target)= GetParity(source + length / 2, ODD, length / 2);
 }
 
     *(target)= GetParity(source + length / 2, ODD, length / 2);
 }
 

+// xor two arrays together for len items.  The dst array contains the new xored values.

 void xor(unsigned char *dst, unsigned char *src, size_t len) {
    for( ; len > 0; len--,dst++,src++)
        *dst ^= *src;
 void xor(unsigned char *dst, unsigned char *src, size_t len) {
    for( ; len > 0; len--,dst++,src++)
        *dst ^= *src;


@@ -474,3 +590,60 @@ void xor(unsigned char *dst, unsigned char *src, size_t len) {
 int32_t le24toh (uint8_t data[3]) {
     return (data[2] << 16) | (data[1] << 8) | data[0];
 }
 int32_t le24toh (uint8_t data[3]) {
     return (data[2] << 16) | (data[1] << 8) | data[0];
 }

+uint32_t le32toh (uint8_t *data) {
+       return (uint32_t)( (data[3]<<24) | (data[2]<<16) | (data[1]<<8) | data[0]);
+}
+
+// RotateLeft - Ultralight, Desfire, works on byte level
+// 00-01-02  >> 01-02-00
+void rol(uint8_t *data, const size_t len){
+    uint8_t first = data[0];
+    for (size_t i = 0; i < len-1; i++) {
+        data[i] = data[i+1];
+    }
+    data[len-1] = first;
+}
+
+
+// Replace unprintable characters with a dot in char buffer
+void clean_ascii(unsigned char *buf, size_t len) {
+  for (size_t i = 0; i < len; i++) {
+    if (!isprint(buf[i]))
+      buf[i] = '.';
+  }
+}
+
+
+// Timer functions
+#if !defined (_WIN32)
+#include <errno.h>
+
+static void nsleep(uint64_t n) {
+  struct timespec timeout;
+  timeout.tv_sec = n/1000000000;
+  timeout.tv_nsec = n%1000000000;
+  while (nanosleep(&timeout, &timeout) && errno == EINTR);
+}
+
+void msleep(uint32_t n) {
+       nsleep(1000000 * n);
+}
+
+#endif // _WIN32
+
+// a milliseconds timer for performance measurement
+uint64_t msclock() {
+#if defined(_WIN32)
+#include <sys/types.h>
+       struct _timeb t;
+       if (_ftime_s(&t)) {
+               return 0;
+       } else {
+               return 1000 * t.time + t.millitm;
+       }
+#else
+       struct timespec t;
+       clock_gettime(CLOCK_MONOTONIC, &t);
+       return (t.tv_sec * 1000 + t.tv_nsec / 1000000);
+#endif
+}