split lf indala[cmd] to lf indala [cmd]

[proxmark3-svn] / client / util.c

diff --git a/client/util.c b/client/util.c
index e4add6c09e0112390ce332f2d7052ea56899973c..7c70d55d5c98bb16d7b6472da681611e4e290d97 100644 (file)
--- a/client/util.c
+++ b/client/util.c
@@ -8,14 +8,26 @@
 // utilities
 //-----------------------------------------------------------------------------
 
+#if !defined(_WIN32)
+#define _POSIX_C_SOURCE        199309L                 // need nanosleep()
+#endif
+
 #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> 
 
-
 int ukbhit(void)
 {
   int cnt = 0;
@@ -41,6 +53,7 @@ int ukbhit(void)
 }
 
 #else
+
 #include <conio.h>
 int ukbhit(void) {
        return kbhit();
@@ -110,6 +123,23 @@ void print_hex(const uint8_t * data, const size_t len)
        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;
@@ -139,7 +169,7 @@ char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t brea
 
        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; out_index++) {
+       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]);
@@ -158,6 +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_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--) {
@@ -184,6 +249,24 @@ void num_to_bytebits(uint64_t      n, size_t len, uint8_t *dest) {
        }
 }
 
+//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
@@ -200,6 +283,16 @@ uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockS
        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)
 {
@@ -332,8 +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 0;
 }
 
 int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt)
@@ -490,6 +581,7 @@ void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length)
     *(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;
@@ -511,3 +603,47 @@ void rol(uint8_t *data, const size_t len){
     }
     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
+}