Added loading parameters from json to several emv commands (#686)

[proxmark3-svn] / client / util.c

diff --git a/client/util.c b/client/util.c
index 7e6b40742c1a7fa2ecb596481e30dae8f9e290ac..d7c824d9c85505599b08067265a6723605996187 100644 (file)
--- a/client/util.c
+++ b/client/util.c
@@ -16,7 +16,6 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <time.h>
-#include "data.h"
 
 #ifdef _WIN32
 #include <windows.h>
@@ -116,6 +115,7 @@ void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex
                
        char *tmp = (char *)buf;
        size_t i;
+       memset(tmp, 0x00, hex_max_len);
 
        int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len;
 
@@ -138,33 +138,6 @@ void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex
 
 // printing and converting functions
 
-void print_hex(const uint8_t * data, const size_t len)
-{
-       size_t i;
-
-       for (i=0; i < len; i++)
-               printf("%02x ", data[i]);
-
-       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) {
        static char buf[1025] = {0};
        
@@ -220,27 +193,6 @@ 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 > 255) ? 255 : len;
-       // max 255 bytes * 3 + 2 characters = 767 in buffer
-       sprintf(tmp, "%s| ", sprint_hex(data, max_len) );
-       
-       size_t i = 0;
-       size_t pos = (max_len * 3)+2;
-       // add another 255 characters ascii = 1020 characters of buffer used
-       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_ex(const uint8_t *data, const size_t len, const size_t min_str_len) {
        static char buf[1024];
        char *tmp = buf;
@@ -260,10 +212,6 @@ char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_st
        return buf;
 }
 
-char *sprint_ascii(const uint8_t *data, const size_t len) {
-       return sprint_ascii_ex(data, len, 0);
-}
-
 void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
 {
        while (len--) {
@@ -324,16 +272,6 @@ 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)
 {
@@ -356,6 +294,23 @@ char * printBits(size_t const size, void const * const ptr)
        return buf;
 }
 
+char * printBitsPar(const uint8_t *b, size_t len) {
+       static char buf1[512] = {0};
+       static char buf2[512] = {0};
+       static char *buf;
+       if (buf != buf1)
+               buf = buf1;
+       else
+               buf = buf2;
+       memset(buf, 0x00, 512);
+
+       for (int i = 0; i < len; i++) {
+               buf[i] = ((b[i / 8] << (i % 8)) & 0x80) ? '1':'0';
+       }
+       return buf;
+}
+
+
 //  -------------------------------------------------------------------------
 //  string parameters lib
 //  -------------------------------------------------------------------------
@@ -631,17 +586,6 @@ int hextobinarray(char *target, char *source)
     return count;
 }
 
-// convert hex to human readable binary string
-int hextobinstring(char *target, char *source)
-{
-    int length;
-
-    if(!(length= hextobinarray(target, source)))
-        return 0;
-    binarraytobinstring(target, target, length);
-    return length;
-}
-
 // convert binary array of 0x00/0x01 values to hex (safe to do in place as target will always be shorter than source)
 // return number of bits converted
 int binarraytohex(char *target,char *source, int length)
@@ -664,16 +608,6 @@ int binarraytohex(char *target,char *source, int length)
     return length;
 }
 
-// convert binary array to human readable binary
-void binarraytobinstring(char *target, char *source,  int length)
-{
-    int i;
-
-    for(i= 0 ; i < length ; ++i)
-        *(target++)= *(source++) + '0';
-    *target= '\0';
-}
-
 // return parity bit required to match type
 uint8_t GetParity( uint8_t *bits, uint8_t type, int length)
 {
@@ -701,13 +635,6 @@ void xor(unsigned char *dst, unsigned char *src, size_t len) {
        *dst ^= *src;
 }
 
-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){